Search Results — 2000 specimen records retrieved (1909 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
  SEINET9056158 Image available Abies concolor T. Reeves 1978-7-24 6991 Riverside San Jacinto Mts. Black Canyon (North Fork San Jacinto River) at crossing with Cal Hwy 243 and ca. 1 mi upstream. 1676 Comment
  CAS-BOT-BC229314  Abronia villosa Ethel H. Campbell 1921-6-1 s.n. Riverside San Jacinto Comment
  CAS-BOT-BC229315  Abronia villosa John Thomas Howell 1928-1-28 3284 Riverside Thousand Palms, Colorado Desert Comment
  CLARK-A1528-3256  Abronia villosa John C. Roos 1946-9-14 3017 Riverside San Jacinto Mountains 1371 Comment
  CSUSB1329  Abronia villosa Art Whistler 1966-5-7 Riverside Route 74, Palms-to-Pines Highway, near Lake Fulmor in Pine Forest. Comment
Read comments
May 29 2018
  RSA314631  Abronia villosa Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Herbst 1983-4-23 55427 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA652380  Abronia villosa Marion P. Harthill 1971-3-19 15 Riverside Palm Desert. Comment
  SBBG1865  Abronia villosa H. and M. Dearing 1939-4-12 3162 Riverside E of Indio Comment
  SEINET4344938 Image available Abronia villosa Orr Michael 2013-1 Riverside Palen/McCoy Wilderness area, off Midland rd, about 3 mi S of Rice Comment
  UC917887  Abronia villosa Frank W. Gould 1943-4-17 2119 Riverside 12 mi s Corona (on road to Elsinore) Comment
  POM122569  Abronia villosa var. aurita Marcus E. Jones 1925-4-24 s.n. Riverside Banning. Comment
  POM12868  Abronia villosa var. aurita P. A. Munz, I. M. Johnston 1922-5-20 5525 Riverside Hemet Valley, San Jacinto Mountains; sandy washes on Garner Ranch. 1402 Comment
  RSA461034  Abronia villosa var. aurita H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  RSA461038  Abronia villosa var. aurita N. C. Cooper 1944-4-23 1104 Riverside Cabazon. 457 Comment
  RSA461199  Abronia villosa var. aurita Bonnie C. Templeton 1930-4-9 1078 Riverside North of Palm Springs. Colorado desert. 400 Comment
  RSA60832  Abronia villosa var. aurita Frank W. Gould 1943-4-17 2119 Riverside 12 miles south of Corona on road to Elsinore. Comment
  RSA764467  Abronia villosa var. aurita Doris Bowers 1972-4-15 1826 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  SD185251  Abronia villosa var. aurita T. B. Salvato, Kent Beaman 2005-5-16 80 Riverside San Jacinto Mountain foothills: San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Highway 74. 548 Comment
  SEINET3133246  Abronia villosa var. aurita R. W. Spellenberg, D. Jackson 1972-5-19 2822 Riverside 7 mi E of downtown Hemet on Hwy 74 579 Comment
  UCR126173  Abronia villosa var. aurita Michael D. Wilcox 2003-3-31 s.n. Riverside San Jacinto Mountains, just off Bautista Canyon Road c. 0.6 mi. NW of Hixon Trail, San Bernardino National Forest 720 Comment
  UCR127362  Abronia villosa var. aurita A. C. Sanders, D. Malueg 2003-5-8 26564 Riverside San Jacinto Valley, San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  UCR156092  Abronia villosa var. aurita T. B. Salvato, Kent Beaman 2005-5-16 804 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
  RSA0030910  Abronia villosa var. aurita Ira W. Clokey, E. G. Anderson 1935-8-21 6604 Riverside Hemet Lake. 1300 Comment
  CSUSB582  Abronia villosa var. villosa Wayne White 1975-5-10 Riverside Chuckwalla Mountains On Highway I-10 near Red Cloud Rd. Colorado Desert; Chuckwalla Mountains. 771 Comment
  RSA749943  Abronia villosa var. villosa Justin M. Wood 2009-3-26 410 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  SEINET238936 Image available Acacia greggii A. C. Sanders, T. B Salvato 2000-4-27 23373 Riverside Coachella Valley: east side of Coachella Canal near the foot of the Mecca Hills vicinity of the east end of Ave 60 (Mec 15 Comment
  UC1128721  Acacia greggii H. S. Yates 1936-4-7 5438 Riverside Willlis Palm 243 Comment
  RSA394138  Acer macrophyllum Christopher Davidson 1977-5-18 5614 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  RSA586933  Achillea millefolium D. L. Banks, Peter Morrell 1995-5-4 0299 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 Dripping Springs Trail., 33 deg 26' 18''N-116 deg 58' 27''W 950 Comment
  CAS-BOT-BC218631  Achnatherum occidentale subsp. pubescens H. M. Hall 1901-7-1 2537 Riverside West Fork Snow Creek, San Jacinto Mountains 1524 Comment
  SEINET258477  Achnatherum occidentale subsp. pubescens M. Curto, L Allen 1990-6-25 686 Riverside Sante Rosa Mts Toro Peak N slope Santa Rosa Mt Rd ca 2.5 km E of Toro Campground 2435 Comment
  CAS-BOT-BC384731  Achyronychia cooperi L. A. Greata 1905-5-1 497 Riverside Colo. Desert Comment
  RSA65634  Achyronychia cooperi F. W. Peirson 1922-4-8 1862 Riverside Whitewater, head of Coachella Valley, Colorado Desert. Comment
  RSA781740  Achyronychia cooperi Duncan S. Bell 2011-12-30 3032 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
  RSA0123184  Acmispon argyraeus var. argyraeus Duncan S. Bell, LeRoy Gross 2016-3-30 9172 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  SD185216  Acmispon procumbens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16218 Riverside San Gorgonio Pass, on and near a rocky spur at the north foot of the mountains, southwest of Verbenia Ave., west of Snow Creek, east of Cabazon. 399 Comment
  SBBG63753  Acmispon rigidus M. N. Ackley 1928-4-3 548 Riverside Clary's Cyn 243 Comment
  SDSU4351  Acmispon strigosus Bruhns 1965-5-22 108 Riverside Slope around girls' dormitory of Desert Sun School in Idyllwild. Comment
  SEINET5327551  Acmispon strigosus E. Neese 1979-4-10 7080 Riverside ca 25 mi W of Blythe, desert along Interstate 10 244 Comment
  SEINET5327595  Acmispon strigosus H. M. Hall 1905-4-20 5830 Riverside Colorado Desert, lower Sonoran Zone, Mecca 61 Comment
  UCR234766  Adenostoma fasciculatum A. C. Sanders, John F. Green 2012-6-25 40301 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd. 419 Comment
  RSA297387  Adenostoma sparsifolium Larry E. DeBuhr 1972-3-24 532 Riverside Santa Rosa Mountain, on forest road 7S02; abundant at lower elevations. 1646 Comment
  UC519765  Adenostoma sparsifolium C. Epling 1931-10-4 Riverside Hemet to Idylwild Comment
  SD186012  Agave americana A. C. Sanders 1984-7-17 5106 Riverside O. F. Clarke residence at 1012 Spruce St. 305 Comment
  POM11495  Agave deserti subsp. deserti Philip A. Munz 1922-7-1 5942 Riverside 1 mile SE of Old Nicholas Canyon. Santa Rosa Mtns. 1463 Comment
  SEINET3916260  Agrostis exarata Scott D. White 2000-8-5 8107 Riverside San JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River).; 0 1402 Comment
  UCR98250  Agrostis exarata Scott D. White 1996-8-1 4448 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  RSA0123090  Aliciella latifolia Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8974 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
  RSA71928  Aliciella latifolia F. W. Peirson 1921-3-22 2385 Riverside Andreas Canyon, Palm Springs region Comment
  RSA0106714  Allionia incarnata Duncan S. Bell 2011-9-30 2942 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  RSA780235  Allionia incarnata Stephanie Rockwood, Christi Gabriel 2011-10-13 115 Riverside West side of the West Riverside Mountains. Highway 62 to Rice Valley Road. Rice Valley. 256 Comment
  UC56252  Allionia incarnata H. M. Hall May 17 1901-Jun 1 1901 1872 Riverside Palm Canyon, Journey from Riverside to Santa Rosa Peak and Palomar Palm Canyon 457 Comment
  UCR144755  Allionia incarnata Scott D. White, Michael Honer 2003-5-14 9302 Riverside Sonoran (Colorado) Desert, bajada at foothills of Little Maria Mtns, c. 20 air miles NW of Blythe, near Standard (='Superior') Gypsum Mine 122 Comment
  UCR260253  Allionia incarnata A. C. Sanders, Jim Malusa 2015-3-11 41393 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  RSA4925  Allionia incarnata var. villosa Carl B. Wolf 1932-4-28 3073 Riverside Chuckwalla Valley, 20 miles west of Blythe on Mecca Road 122 Comment
Read comments
Mar 26 2011
  CAS-BOT-BC131981  Allium haematochiton H. M. Hall 1901-6-1 2096 Riverside In the vicinity of Strawberry Valley 1371 Comment
  RSA700068  Allium haematochiton Scott D. White, Michael Honer 2003-4-2 8916 Riverside Alberhill area. North of the I-15 Freeway, on and near crest of unnamed mountain, 2349. 671 Comment
  SD262150  Allium haematochiton Mitch Provance, Jeremiah George, Matt K, Bewyers, John Hazlett 2017-4-10 417 85 Riverside Elisonore Trough: S end of Baker St., east side of inersecton with Bunker St. (Lake Elsinore 7.5'Q) 387 Comment
  RSA348947  Allium munzii Steve Boyd 1986-4-22 1781 Riverside Gavilan Hills: Summit of Estelle Mt. shallow N-facing draw, just W of third powerline tower, N of summit. 841 Comment
  UCR104172  Allium peninsulare Scott D. White 1997-5-25 5236 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  RSA644111  Allium praecox Scott D. White 1995-3-30 2676 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
  SEINET3878856  Allium praecox D. W. McNeal 1995-3-22 4079 Riverside On the lower slopes of the N side of Gavilan Pk., 0.7 mi S of Cajalco Rd. (jct. 6.5 mi W of Interstate 15 on Cajalco Rd.).; 0 Comment
  UCR112388  Allium subhirsutum A. C. Sanders 1998-4-12 21752 Riverside Riverside, yard of residence at 5081 Magnolia Ave, corner of Chapman Pl. 256 Comment
  POM161529  Allophyllum divaricatum Ralph Hoffmann 1929-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  SD236229  Alnus rhombifolia A. C. Sanders, D. L. Sanders 2008-9-27 36102 Riverside San Bernardino Valley Region: Santa Ana River bottom 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 (Corona North 7.5'Q) 164 Comment
  UCR167796  Amaranthus albus T. B. Salvato, Melissa Clemons 2005-6-23 1319 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCR207547  Amaranthus blitum O. F. Clarke 2004-7-7 s.n. Riverside San Bernardino Valley Region, Riverside, Victoria Ave. bridge at Arroyo Tequesquite 262 Comment
  RSA667031  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23101 Riverside Lake Hemet, north shore at FS day use area 1323 Comment
  UCR95420  Amaranthus fimbriatus L. C. Wheeler 1966-10-15 8985 Riverside San Jacinto Mtns., near Black Hill, by Pines to Palms Hwy. 976 Comment
  UCR274784  Amaranthus palmeri Stephanie Rockwood, Christi Gabriel 2011-10-18 124 Riverside Sonoran (Colorado) Desert, Ford Dry Lake Area, Pallen Dunes Road, Hwy I-10 exit 217, Chuckwalla Valley 96 Comment
  UCR272130  Amaranthus torreyi Duncan S. Bell 2015-9-30 8682 Riverside Santa Rosa Mountains, Little Pinyon Flat, from Cactus Spring Trail to Horsethief Creek 1246 Comment
  RSA595915  Ambrosia acanthicarpa Darin L. Banks, Lauren Raz 1996-11-5 1174 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
  RSA676121  Ambrosia dumosa Scott D. White 2001-4-3 8250 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SD127613  Ambrosia dumosa David Charlton 1988-2-18 1122 Riverside South side of Little San Bernardino Mountains; Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park. 609 Comment
  UC1922419  Ambrosia dumosa Naomi Fraga, Lisa Rojas 2005-2-10 1415 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UC62863  Ambrosia dumosa H. M. Hall May 17 1901-Jun 1 1901 1868 Riverside near, (journey of Jepson & Hall from Riverside to Santa Rosa Pk & Palomar) Palm Canon 609 Comment
  UCR167258  Ambrosia dumosa 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
  UCR106915  Ambrosia psilostachya D. L. Banks, L. Raz 1996-11-5 1184 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  CAS-BOT-BC273013  Ambrosia salsola Ira L. Wiggins 1941-3-24 9576 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar Comment
  CAS-BOT-BC273039  Ambrosia salsola Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA0103315  Ambrosia salsola Jim M. Andre 2012-4-11 20707 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  POM265819  Ammannia coccinea J. C. Roos 1937-6-7 2401 Riverside S base of Jackrabbit Trail, San Jacinto Valley Comment
Read comments
Mar 20 2011
  SD229148  Amorpha californica var. californica Dick Schwenkmeyer 2012-8-7 784 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  RSA388426  Amorpha fruticosa R. F. Thorne, S. D. Boyd, E. W. Lathrop 1985-7-18 61186 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
Read comments
Feb 24 2013
  CLARK-A1045-236  Amsinckia intermedia George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  HSC84285  Amsinckia intermedia J. Nevin 1987-4-9 37 Riverside Box Springs Mtn. Park 366 Comment
  POM343354  Amsinckia intermedia F. R. Fosberg 1983-4-23 64197 Riverside Lower Whitewater Canyon Comment
  UCR127326  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25834 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 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
  UCR228844  Amsinckia intermedia A. C. Sanders, Nathan Moorhatch 2011-3-22 38787 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  UCSB33365  Amsinckia intermedia Marks, R. 1978-3-16 Riverside At top of hill 3/4 mi. W. of orange grove at 3000 McAllister Rd. in Riverside 457 Comment
  UC480653  Amsinckia menziesii var. menziesii Philip A. Munz 1927-5-20 10795 Riverside Murietta Hot Springs Comment
  POM368401  Amsinckia tessellata P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  UCR11338  Amsinckia tessellata John M. Spencer 1971-4-16 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument [now Park], 1 mi. north of Cottonwood Spring campground & Ranger Station [via Pinto Basin Rd.] 956 Comment
  UCR30073  Amsinckia tessellata George K. Helmkamp 1983-4-5 483 17 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  JOTR32139  Amsinckia tessellata var. tessellata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2295 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  LA90398  Amsonia tomentosa William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  UC68763  Amsonia tomentosa H. M. Hall May, 1905 6007 Riverside Cottonwood Pass Colorado Desert, Cottonwood Pass 701 Comment
  JEPS12261  Anemopsis californica W. L. Jepson May 17 1901-Jun 1 1901 1243 Riverside near San Jacinto Lake (Journey from Riverside to Santa Rosa Peak and Palomar); Southern California Comment
  SDSU13503  Anemopsis californica W. Miller with C. Mosse 1972-7-20 Riverside West of R.C. Weather Station. Comment
  CAS-BOT-BC79935  Antennaria microphylla Mary F. Spencer 1919-6-25 1219 Riverside [Lacquitz] Tahquitz meadow. San Jacinto Mt. 2377 Comment
  SBBG65810  Anthemis cotula M. N. Ackley -Feb-1926 288 Riverside near Edom, Colorado Desert Comment
  RSA171364  Antirrhinum coulterianum John Olmsted 1962-5-3 3523 Riverside Full sun on sandy arroyo bank along road from Santa Rosa Indian Reservation to old vilage, etc 1555 Comment
  RSA78284  Antirrhinum coulterianum Philip A. Munz, E. K. Balls 1952-8-21 17971 Riverside Vandeventer Flats, SE end of San Jacinto Mtns. 1402 Comment
  UCR227722  Antirrhinum coulterianum Duncan S. Bell, Joy England 2010-5-27 11125 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 0.8 air mi southeast of junction of Hwy 74 and Forest Service Road 5S15 744 Comment
  UCR231814  Antirrhinum coulterianum Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 11 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  UCR106859  Apiastrum angustifolium Kathleen Stockwell 1998-3-22 s.n. Riverside Murrieta Hot Springs, Warm Springs Creek, between Hwy 79 and the Hogbacks, south of Los Alamos Rd. and north of Hunter Rd. 400 Comment
  UCR130850  Apium graveolens S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  VVC25  Apium graveolens P. J. MacKay 1975-6-1 s.n. Riverside Cismontane S Cal, Chino vic Euclid Ave bordering a channel from Prado Dam 159 Comment
  UCR26530  Apocynum cannabinum A. C. Sanders, S. Hagopian 1981-5-20 2121 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
  UC9005  Aquilegia formosa H. M. Hall July, 1901 2417 Riverside San Jacinto Mtns 3261 Comment
  UC809719  Arabis Philip A. Munz 1949-4-13 13049 Riverside above Cottonwood Springs; Colorado Desert, Eagle Mts. 1097 Comment
  RSA0125491  Arabis R. F. Thorne, Walter Wisura 1977-9-17 50772 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UC1007235  Arabis pulchra P. A. Munz 1940-3-24 15709 Riverside 2 mi n Cottonwood Springs; Eagle Mts. 914 Comment
  UCR59532  Arabis pulchra Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3568 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  RSA0128829  Arabis sparsiflora A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35611 Riverside May Valley c. 1.0 mi SW of Fleming Ranch, along dirt track 1555 Comment
  RSA629152  Arctostaphylos Jon E. Keeley 1992-7-17 16785 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629353  Arctostaphylos glandulosa Jon E. Keeley 1978-9-16 7260 Riverside On Twin Pines Ranch Road off Highway 243. Comment
  RSA629381  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15085 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA629411  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19504 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  SD180714  Arctostaphylos glandulosa C. Matt Guilliams 2007-8-2 406 Riverside Santa Margarita Ecological Reserve, along Highlands Trail at northern rim of mesa-top. 654 Comment
  UCR215074  Arctostaphylos glandulosa Justin M. Wood 2009-3-10 352 Riverside San Jacinto Mountains, Near intersection of Hwy 243 and Twin Pines Rd. 1220 Comment
  UCR44194  Arctostaphylos glandulosa subsp. glandulosa A. C. Sanders 1986-6-1 6549 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  RSA631830  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15535 Riverside Road to Elsinore Peak, 10 km south of Highway 74. 900 Comment
  SBBG60020  Arctostaphylos glauca R. C. and J. R. Robbins 1933-2-15 Riverside Pinyon Flat, Palms to Pines (St Hwy 74) Comment
  SD152870  Arctostaphylos glauca Steve Boyd 1992-10-14 7716 Riverside Southern Santa Ana Mountains, northeastern corner of the silderness, south of Elsinore Peak. 975 Comment
  RSA633621  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16693 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633633  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22655 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633713  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16652 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA635305  Arctostaphylos patula Jon E. Keeley, Rx Rothrock 1992-11-11 22541 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  CAS-BOT-BC44326  Arctostaphylos pringlei subsp. drupacea E. P. Van Duzer 1917-6-1 s.n. Riverside Mt. Tahquitz Comment
  LA42425  Arctostaphylos pringlei subsp. drupacea Carl B. Wolf; 1932-8-4 3922 Riverside San Jacinto Mountains, Strawberry Valley, 1.5 mi. from Idyllwild on road to Banning 1706 Comment
  NY43173  Arctostaphylos pringlei subsp. drupacea J. B. Walker 1995-5-3 1409 Riverside San Bernardino National Forest, S of Pinyon Flat Campground, at terminus of USFS Rd 1900 Comment
  RSA249851  Arctostaphylos pringlei subsp. drupacea R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38123 Riverside San Bernardino National Forest, San Jacinto Mountains.: Above and in James Reserve. 1677 Comment
  RSA635688  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16606 Riverside Hwy 371 & Burnt Valley Rd, San Jacinto Mtns. Comment
  POM12981  Arctostaphylos pungens P. A. Munz, I. M. Johnston 1922-5-20 5491 Riverside Head of Hemet Valley, San Jacinto Mts. 1524 Comment
  RSA635771  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16747 Riverside Rd. to Thomas Mtn. (5S15), 2.7 km west of Hwy. 74 on Pyramid Peak Rd., San Jacinto Mountains. 1480 Comment
  SD229131  Arctostaphylos pungens Dick Schwenkmeyer 2012-3-26 680 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  RSA667364  Arctostaphylos rainbowensis A. C. Sanders, Kent Beaman 2002-5-10 25056 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 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
  CAS-BOT-BC207121  Argythamnia lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mts. E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca 579 Comment
  RSA385025  Aristida adscensionis L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain, Colorado River Comment
  RSA727089  Aristida adscensionis Naomi Fraga, Lisa Rojas 2005-2-10 1378 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA777397  Aristida adscensionis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 787 Riverside Mecca Hills, just south of Shaver's Well 305 Comment
  UC1714479  Aristida adscensionis I. M. Johnston 1918-4-27 1861 Riverside Temescal Canyon 365 Comment
  UC574007  Aristida adscensionis H. S. Yates 1937-3-23 6436 Riverside 15 mi nne Mecca; Thermal Quadrangle Comment
  UCD56407  Aristida adscensionis D. Fenfrock 1951-5-10 s.n. Riverside Hwy. 60-70 at Black Rock, 10 miles west of Blythe. Comment
  CLARK-A1528-4471  Aristida hamulosa John C. Roos 1941-8-2 82 Riverside San Jacinto River 761 Comment
  RSA740945  Aristida purpurea var. fendleriana Scott D. White, Justin M. Wood 2008-6-17 12189 Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  UC576345  Aristida purpurea var. fendleriana H. S. Yates 1937-6-27 6722 Riverside Deep Canyon Thermal Quadrangle (head) 1219 Comment
  UCD56534  Aristida purpurea var. fendleriana A. A. Beetle 1946-6-10 4405 Riverside Near Palm Springs. Comment
  POM147635  Aristida purpurea var. nealleyi F. M. Reed 1927-3-20 5479 Riverside Eagle Canyon - at junction with Salt Creek. Colorado Desert. Comment
  SEINET7596158 Image available Aristida purpurea var. parishii I. Johnston 1917-1 1008 Riverside Palm Canon 427 Comment
  UCR41593  Aristida purpurea var. wrightii A. C. Sanders, B. Pitzer, D. Charlton, J. Kniffen, R. Kniffen 1986-3-3 6128 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR2176  Aristida ternipes var. gentilis F. M. Reed 1908-8-16 2561 Riverside Riverside. Iowa Ave. on sec. 30 305 Comment
  UCR273985  Aristida ternipes var. gentilis Mitch Provance 2012-5-24 512- 22 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
  SEINET2044492 Image available Artemisia californica A. C. Sanders, M. Jacobsmyer, C. Sanders 1995-2-5 15907 Riverside San Bernardino Mountains; Whitewater Canyon, between Bonnie Bell and the fish hatchery: T2S, R3E, SW/4, S 26 &SE/4sec.27 549 Comment
  UCR128236  Artemisia californica A. C. Sanders, Kelly Volansky 2003-10-16 27351 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  SBBG105095  Artemisia dracunculus S. Boyd with T. Ross, T. Columbus 1993-10-23 8193 Riverside upper Morrell Cyn along Morgan Trail (Rd 5W02) 877 Comment
  CLARK-A1528-157  Artemisia tridentata Charlotte Stocks 1964-8-4 Riverside San Jacinto Mountains 1523 Comment
  UCR138556  Artemisia tridentata Steve Boyd, D. E. Bramlet 1988-10-8 2877 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  RSA779726  Asclepias albicans Duncan S. Bell 2009-3-8 94 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  SEINET10580750  Asclepias californica subsp. californica F. A. Thackery 1928-5-22 Thackery 478 Riverside Banning Heights 715 Comment
  RSA0104745  Asclepias eriocarpa Scott D. White, Justin M. Wood 2008-7-8 12384 Riverside San Jacinto Mountains: Hurkey Creek Watershed-Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  JEPS6280  Asclepias erosa W. L. Jepson May 17 1901-Jun 1 1901 1346 Riverside Palm Canyon (upper end) Mt. San Jacinto Range Comment
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Sep 15 2015
  RSA388392  Asclepias fascicularis R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61206 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
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Jun 30 2018
  SEINET10779844  Asclepias subulata Mrs. B. L. Clary 1931-5-3 Clary 177 Riverside Box Canyon, Colorado Desert Comment
  UC1550221  Asparagus asparagoides B. Pitzer and E. Misqez 1988-2-28 636 Riverside sw of Murrieta (Avenida del Oro, s of Rancho California Road, n of road); Walker Basin 426 Comment
  POM146198  Aster hesperius F. M. Reed 1927-11-15 5664 Riverside Water ditch on Central Cove, near Olivewood Cemetery 274 Comment
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May 1 2011
  CAS-BOT-BC477877  Asteraceae J. H. Thomas 1949-2-28 60 Riverside Southern part of Palm Springs. Comment
  CLARK-A1528-450  Astragalus aridus Charlotte Stocks 1963-5-19 Riverside Coachella Valley Comment
  CAS-BOT-BC177721  Astragalus crotalariae T. S. Brandegee 1895-4-17 s.n. Riverside [Borregos] Borrego Springs Comment
  JEPS8052  Astragalus crotalariae Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1955-2-26 4809 Riverside in sandy stretch along State Highway No. 111 not far from shore Salton Sea (opposite Salton Beach State Park); <nr> shore Salton Sea, opposite Salton Beach State Park -73 Comment
  RSA415475  Astragalus didymocarpus var. dispermus Anstruther Davidson 1893-4-10 s.n Riverside Palm Springs. Comment
  UC862664  Astragalus didymocarpus var. dispermus C. L. Hitchcock 1940-4-4 5953 Riverside Pinto Basin Pinto Basin (sandy wash) Comment
  RSA415493  Astragalus douglasii Christopher Davidson 1978-6-15 7394 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  CAS-BOT-BC178444  Astragalus douglasii var. parishii P. A. Munz 1922-6-29 5895 Riverside Santa Rosa, Santa Rosa Mts. 2011 Comment
  CAS-BOT-BC178445  Astragalus douglasii var. parishii P. A. Munz 1922-4-29 5114 Riverside Aguanga Comment
  UC863178  Astragalus douglasii var. parishii I. W. Clokey, E. G. Anderson 1935-8-21 6718 Riverside e Keen Camp P. O.; e of Keen Camp P. O. 1350 Comment
  RSA395892  Astragalus gambelianus Steve Boyd 1986-4-22 1754 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  CLARK-A1528-2745  Astragalus insularis var. harwoodii John C. Roos 1949-4-10 4222 Riverside Chuckwalla Mountains Comment
  RSA338323  Astragalus insularis var. harwoodii L. M. Shultz, John S. Shultz 1985-4-15 8391 Riverside Chuckwalla Valley depression, between McCoy and Mule Mountains at Wiley's Well Road. 121 Comment
  SD43742  Astragalus insularis var. harwoodii Darley F. Howe 1949-3-21 1973 Riverside 3.0 miles west of Blythe. Comment
  VVC2470  Astragalus insularis var. harwoodii Tim Thomas 2013-3-18 5930 Riverside Sonoran Desert, 12 miles WSW of Blythe; south of I-10. vic of powerline corridor. 145 Comment
  UCR182558  Astragalus lentiginosus var. coachellae Linda Archer 2006-5-3 s.n. Riverside Sonoran (Colorado) Desert; Coachella Valley, SW edge of Desert Hot Springs, east of Morongo Wash 293 Comment
  UCR265197  Astragalus lentiginosus var. coachellae David Fraker, Aaron C. Sedgwick 2012-5-8 94 Riverside Sonoran (Colorado) Desert, south of Hwy 111 along dunes at base of the San Jacinto Mtns. 375 Comment
  RSA0025909  Astragalus lentiginosus var. variabilis Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4692 -A 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
  SEINET3004974  Astragalus nuttallianus G. Rink 2011-3-30 10400 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  RSA605939  Astragalus pachypus var. jaegeri R. S. Woglum 1941-5-17 3053 Riverside Horse Canyon off of Coyote Canyon. Comment
  CAS-BOT-BC192757  Astragalus palmeri S. B. Parish 1914-3-30 9096 Riverside San Felipe, Colado Desert Comment
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Aug 6 2019
  POM145407  Astragalus palmeri J. B. Feudge 1926-5-9 1871 Riverside Keyes Ranch, Little San Bernardino Mts 1220 Comment
  SBBG3267  Astragalus palmeri H. and M. Dearing -- Riverside Palms to Pines Hwy Comment
  POM2003  Astragalus pomonensis I. M. Johnston 1918-4-3 s.n Riverside Valle Vista above Hemet. 534 Comment
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Nov 20 2011
  CAS-BOT-BC200818  Astragalus trichopodus var. phoxus Philip A. Munz 1937-5-31 15125 Riverside Kenworthy, San Jacinto Mts. 1371 Comment
  RSA482218  Athyrium filix-femina Richard Noyes, L. Arnseth 1988-9-11 738 Riverside San Jacinto Mountains: Lake Fulmor, 6 air miles northwest of Idyllwild. 1616 Comment
  RSA23225  Atrichoseris platyphylla Ernest Braunton 1940-4-3 2017 Riverside Berdoo Canyon, 10 mi. E. of Indio 304 Comment
  RSA776685  Atrichoseris platyphylla Duncan S. Bell, Amanda Turek 2010-4-10 798 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  CLARK-A1528-393  Atriplex canescens Charlotte Stocks 1951-9-15 Riverside Coachella Indio 7.5'Q Comment
  UC1136265  Atriplex canescens H. S. Yates 1936-4-7 5414 Riverside Palm Springs San Jacinto Quad., Palm Springs Comment
  UCR134613  Atriplex canescens Marisa Sripracha, Kyle Boyd 2004-2-14 020 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  CAS-BOT-BC170210  Atriplex canescens subsp. canescens K. Larson 1976-9-30 60062 B Riverside So. of Big Maria Mtns., No. of Blythe Comment
  POM184644  Atriplex canescens var. laciniata L. C. Wheeler 1931-11-27 379 Riverside 2 miles SE of Salton Bench Mark. -76 Comment
  RSA557357  Atriplex coronata var. notatior Julie Greene 1993-6-11 1361 Riverside North of levee, west of Davis road. 436 Comment
  SEINET3090678  Atriplex coronata var. notatior R. A. Johnson, G. A. Ruffner 1990-1 Riverside Comment
  UCR252815  Atriplex coronata var. notatior John Dvorak 2011-5-17 017 Riverside Perris Aguanga Basin, San Jacinto River, 2 km west of Menifee Road, 60 meters south of San Jacinto Avenue 434 Comment
  UCR253012  Atriplex coronata var. notatior Ana Hernandez, Rose Cook 2013-4-12 042 Riverside Perris Aguanga Basin, 290 meters south of Highway 79, 760 meters west of Warren Road, Upper Salt Creek, Hemet 457 Comment
  UCR112576  Atriplex davidsonii D. E. Bramlet 1998-6-22 2638 Riverside Upper Salt Creek Reserve, 6.9 km West of Hemet and 76m east of California Avenue, approximately 671m north of Setson Avenue. 456 Comment
  UCR172748  Atriplex davidsonii Robert Cox, Chris E. True 2005-6-2 s.n. Riverside Perris-Aguanga Basin, San Jacinto Valley; San Jacinto Wildlife Refuge, 1 mi east of the wildlife area headquarters, vicinity of Duck Ponds 436 Comment
  SD248393  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-8-17 13 190 Riverside City of Lake Elsinore, along Collier St. and Hwy 74 S to Temescal Wash. 392 Comment
  CAS-BOT-BC170604  Atriplex fasciculata S. B. Parish 1913-9-20 8600 Riverside In alkaline soil, Mecca, Salton Sink. 57 Comment
  CLARK-A1656-607  Atriplex hymenelytra Lois Ann Scott 1978-1-13 Riverside Indio Hills Comment
  RSA486455  Atriplex lentiformis subsp. breweri Richard Noyes, L. Arnseth 1988-10-30 761 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  JEPS90698  Atriplex pacifica D. Bramlet 1991-6-20 2200 Riverside approx 8 m e of Davis Road (and some 150 m n of the San Jacinto River levee, Old Riverbed area beside existing channelized area of San Jacinto River); San Jacinto Wildlife Area 475 Comment
  UCR196391  Atriplex polycarpa Naomi Fraga, Lisa Rojas 2005-2-10 1416 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  POM78943  Atriplex serenana I. M. Johnston 1923-7-19 s.n. Riverside Norco-Pedley Road 4 mi. SSE of Wineville. Comment
  IRVC1450  Avena barbata R. H. Whittaker, W. A. Niering 1963-6-6 SJ 225 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  RSA516752  Avena fatua Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  CAS-BOT-BC213221  Ayenia compacta Frank W. Peirson 1922-4-9 9600 Riverside Andreas Canyon, Palm Springs Region 457 Comment
  UCR9373  Ayenia compacta Richard A. Weaver 1970-1-14 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns., western portion of range 915 Comment
  UC218677  Azolla filiculoides P. A. Munz 1922-4-29 5109 Riverside Lancaster Valley, S of Hemet 457 Comment
  SD144066  Baccharis brachyphylla A. C. Sanders, P. MacKay 1994-10-23 15849 Riverside San Bernardino Mountains: Whitewater River Canyon, between the trout hatchery and Bonnie Bell. 673 Comment
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Jan 14 2010
  CAS-BOT-BC106748  Baccharis salicifolia W. R. Dudley 1903-12-26 s.n. Riverside Palm Canyon [Canon] Comment
  UC284664  Baccharis sergiloides G. B. Grant 1906-5-1 Riverside Palm Springs Colorado Desert Comment
  UCR245792  Baccharis sergiloides A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40954 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
  UCD169938  Bacopa monnieri Alexandra Beaty 2018-2-6 s.n. Riverside La Quinta. Growing at golf course called The Quarry at La Quinta. 0 Comment
  JOTR34046  Bahiopsis parishii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2946 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  RSA700064  Bahiopsis parishii Scott D. White, Michael Honer 2003-4-25 9095 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  PASA2184  Baileya pauciradiata Florence Brubaker Riverside Colorado Desert Comment
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Mar 23 2019
  POM308639  Baileya pleniradiata Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3210 Riverside Near Indio. Comment
  UCR221456  Bassia hyssopifolia Bill Wagner 2005-6-17 s.n. Riverside Peninsular Range; Gavilan Hills Region, Cajalco Flood Control Basin site (proposed, since constructed), at NE corner of El Sobrante Rd. and Cajalco Rd. 447 Comment
  UCR275573  Bassia hyssopifolia T. B. Salvato 2005-6-13 605- 8 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  RSA502593  Bassia hyssopifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3729 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 457 Comment
  CHSC26007  Bebbia juncea James Henrickson 1971-4-2 5482 Riverside Near Hidden Oasis, 13 miles E of Palm Springs. 182 Comment
  POM350773  Bebbia juncea Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA0042825  Bebbia juncea Duncan S. Bell, LeRoy Gross 2014-3-13 6242 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  RSA5168  Bebbia juncea C. B. Wolf 1932-4-26 2979 Riverside 5.5 miles E of Mecca on Blythe road lower sonoran 61 Comment
  RSA696874  Bebbia juncea J. Russell Bruff 1928-4-1 77 Riverside Whitewater Comment
  CAS-BOT-BC100139  Bebbia juncea var. aspera Alice Eastwood 1913-4-30 3026 Riverside Palm Springs Comment
  CAS-BOT-BC106402  Bebbia juncea var. aspera J. Beley 1974-2-21 1817 Riverside Halfway between 195 & Cactus City (Buried Mtn.) on roadside. Comment
  RSA544440  Bergia texana Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6347 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  UCR267877  Bergia texana D. E. Bramlet 2006-5-25 4001 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, east of the San Jacinto River channel and north of Nuevo Rd. bridge 430 Comment
  CAS-BOT-BC207051  Bernardia incana S. B. Parish; W. F. Parish 1882-3-1 752 Riverside Borders of the Colorado Desert, Whitewater. Comment
  RSA336055  Bernardia incana R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52064 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  CLARK-A1528-5452  Bidens frondosa John C. Roos 1951-9-25 5265 Riverside Riverside 259 Comment
  SDSU11582  Bloomeria crocea Ronald H. Bigelow 1962-5-23 Riverside Schloss Foundation, Just southeast from branch in road from HWY 395 to Santa Margarita River. Comment
  RSA503136  Bloomeria crocea var. crocea J. D. Olmsted 1962-5-10 3616 Riverside L. Matthews Road ca. 1/2 mi. W of dam 427 Comment
  UCR16045  Bloomeria crocea var. crocea Steve Kulju 1974-5-16 s.n. Riverside Santa Ana Mtns/Santa Rosa Plateau, Tenja Rd. near Murrieta, 9.5 mi SW of Washington Ave 549 Comment
  RSA0125971  Boechera Scott D. White, Justin M. Wood 2008-7-8 12374 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  JEPS53169  Boechera arcuata W. L. Jepson 1901-5-19 1287 Riverside Strawberry Valley Mt. San Jacinto Comment
  CAS-BOT-BC16256  Boechera glaucovalvula Philip Alexander Munz 1949-4-11 13019 Riverside Mohave Desert. North base of Eagle Mountains. Near Conejo Well. 914 Comment
  UCR270713  Boechera johnstonii John F. Emmel 1999-3-27 1607 Riverside San Jacinto Mtns., Garner Valley, 0.1-0.2 air mile south of junction Hwy 74 and road to Ramona Trail 1384 Comment
  LA90280  Boechera parishii Arnold Menke; 1955-4-28 sn Riverside Hemet Valley, S side of road Comment
  RSA0078226  Boerhavia coulteri var. palmeri Sarah J. De Groot, Amy Rouillard 2015-9-15 7564 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  SEINET7249041  Boerhavia erecta var. intermedia Andrew C. Sanders, T. B. Salvato 2012-1 Riverside Comment
  SD251246  Boerhavia triquetra Duncan S. Bell, John Anderson, et al. 2013-9-28 6023 Riverside Chuckwalla Valley; ca. 22.25 air miles west of Blythe, south side of Ford Dry Lake, ca. 0.5 air mile southeast of Hopkins Well. 106 Comment
  RSA594210  Boerhavia triquetra var. intermedia L. B. Ziegler 1967-8-26 s.n. Riverside Pinyon Flats Comment
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Feb 20 2009
  CAS-BOT-BC31024  Bolboschoenus maritimus Howard Walton Clark 1926-6-1 s.n. Riverside Indio. Comment
  UCR3383  Bolboschoenus maritimus subsp. paludosus John Minnich 1964-3-21 64321- 7 Riverside Western Colorado Desert, Coachella Valley, 1 mi west of the junction of Hwy 60-70 with Dillon Road, c. 1 mi east of Indio 15 Comment
  CAS-BOT-BC145584  Bouteloua aristidoides Ira L. Wiggins 1941-3-27 9677 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  CAS-BOT-BC145585  Bouteloua aristidoides Peter H. Raven 1958-1-24 11453 Riverside Fargo Canyon. Comment
  RSA676040  Bouteloua aristidoides Scott D. White 2001-4-17 8339 Riverside SONORAN DESERT: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freewayexit accessing pump station. 457 Comment
  UCR17724  Bouteloua aristidoides Paul Mack, Hap Ritter 1976-10-16 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi NW of Blythe on the Midland Road, McCoy Wash drainage. SW side of the Big Maria Mtns. 244 Comment
  JEPS20782  Bouteloua aristidoides var. aristidoides Roxana S. Ferris and Rimo Bacigalupi 1958-3-19 13239 Riverside Hwy US 95 11.3 mi n Blythe (in wash arising in mountains); Big Maria Mts. Comment
  RSA704542  Bouteloua barbata LeRoy Gross 2005-3-3 1580 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  JOTR32423  Bouteloua barbata var. barbata Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 12 Riverside Joshua Tree National Park. Queen Mountains; Intersection of Park Blvd. and Pinto Basin road; Small rocky hills and surrounding drainages 1112 Comment
  UCR195794  Bouteloua barbata var. barbata Tasha La Doux, J. Andre 2007-9-6 135 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  UCD56876  Bouteloua curtipendula Peter H. Raven 1958-5-18 12987 Riverside San Jacinto Mts. Pinon-Flats. Comment
  CAS-BOT-BC95428  Bowlesia incana E. A. Zumbro 1902-4-1 s.n. Riverside Box Springs Mtn. Comment
  UC1931070  Bowlesia incana Scott D. White, Justin Wood 2008-7-9 12423 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  UCR1532  Bowlesia incana R. L. Irwin 1962-4-15 29 Riverside Upper Santa Ana River/San Bernardino Valley Region, Sycamore Canyon, c. 1.4 mi. south of Pennsylvania Ave on Canyon Crest Dr. along creek 336 Comment
  UCR155167  Bowlesia incana A. C. Sanders 2005-5-4 29848 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR92235  Bowlesia incana D. L. Banks, Steve Boyd 1995-3-16 0103 Riverside Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area, east of the Dripping Springs Alcove. 610 Comment
  RSA678938  Brachypodium distachyon Scott D. White, Michael Honer 2003-6-3 9481 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  JEPS78698  Brandegea bigelovii S. B. Parish 1912-10-23 8292 Riverside near Mecca (Chuckwalla Mountains, Red Canyon); Chuckwalla Mountains, Red Canyon Comment
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Nov 24 2011
  UCR64302  Brassica fruticulosa A. C. Sanders, O. F. Clarke 1989-4-5 9035 Riverside Box Springs Mtns, On the E edge of Riverside, at end of the dirt road in Two Trees Canyon Comment
  UCR180599  Brassica geniculata Scott D. White, Angelia Carey 2004-4-5 10018 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR90963  Brassica geniculata Scott D. White 1996-3-16 3819 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  RSA543164  Brassica tournefortii Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6094 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA709905  Brassica tournefortii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4610 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC1279709  Brickellia desertorum D. B. Dunn 1947-10-9 3521 Riverside at campground area by Hidden Valley, Joshua Tree National Monument Joshua Tree National Monument, Hidden Valley Comment
  UCR163887  Brickellia desertorum B. G. Pitzer 2001-11-4 4350 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  CAS-BOT-BC486544  Brodiaea terrestris subsp. kernensis Mitch Provance 2005-5-17 6566 Riverside Warm Springs Valley: Terra Cotta, Nichols Road Wetland at Alberhill Creek, 100 yards SE of the Durant RR siding, the site bordered along the NW 420 Comment
  UC162210  Bromus arizonicus H. M. Hall May, 1905 5980 Riverside Colorado Desert Comment
  RSA92722  Bromus berteroanus J. C. Roos, L. Roos 1952-5-24 5711 Riverside one-year-old burn on hills north of Moreno 518 Comment
  SD152996  Bromus carinatus Steve Boyd 1992-4-15 6858 Riverside Santa Ana Mtns; San Mateo Cyn Wilderness area; Bluewater Cyn along Bluewater Tr; downstream to the confluence with San Mateo Creek 334 Comment
  UCR2206  Bromus carinatus F. M. Reed 1906-3-4 903 Riverside Riverside, Fairmont Park 244 Comment
  RSA571309  Bromus carinatus var. carinatus Steve Boyd, D. L. Banks 1994-4-5 8257 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  UC37582  Bromus carinatus var. carinatus H. M. Hall June, 1901 2226 Riverside in the vicinity of Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR2216  Bromus catharticus F. M. Reed 1933-6-23 7863 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 290 Comment
  LA13812  Bromus diandrus Marjorie Bowler; 1931-11-12 100 Riverside Palms-Culver City Auto camp Comment
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Mar 2 2014
  RSA612806  Bromus diandrus D. L. Banks 1997-3-1 1363 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  SD146100  Bromus madritensis subsp. rubens B. Pitzer, J. Ross 1998-3-8 3595 Riverside 395 Comment
  SDSU14007  Bromus madritensis subsp. rubens Dinna Estrella, M. G. Simpson 2002-4-20 18 Riverside Santa Margarita Ecological Reserve. Loop trail, ca. 1/4 mile east of Northside field station. 335 Comment
  RSA91692  Bromus rubens F. W. Peirson 1918-03 1557 Riverside Palm Springs Comment
  RSA0021329  Bromus tectorum Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4655 Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  UCR226085  Bromus trinii A. C. Sanders, Nathan Moorhatch 2011-3-22 38768 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  RSA444311  Caesalpinia virgata Walter Wisura 1988-3-1 4181 Riverside Frontage Road, off I-10, near pumping station in Pinkham Wash area. Comment
  UCR39187  Caesalpinia virgata David J. Keil 1976-12-12 11913 Riverside Sonoran (Colorado) Desert, c. 5 mi. east of Indio along Interstate Hwy 10. Comment
  CAS-BOT-BC438492  Calandrinia ciliata A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19864 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 457 Comment
  CLARK-A1528-3832  Calandrinia ciliata John C. Roos 1966-3-24 Riverside Winchester Comment
  UCR169470  Calandrinia ciliata John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  RSA198960  Callitriche heterophylla subsp. bolanderi R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37421 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California.. 609 Comment
  UCR60514  Callitriche longipedunculata R. F. Thorne 1973-5-23 43847 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  RSA77846  Callitriche marginata F. W. Peirson 1922-5-12 3067 Riverside South of Lake Elsinore. Comment
  CAS-BOT-BC85771  Calocedrus decurrens Carl Epling 1931-10-4 246 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  POM19841  Calocedrus decurrens Mary F. Spencer 1923-8-17 2247 Riverside Fern Valley, Idyllwild. San Jacinto Mt. 1646 Comment
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Nov 19 2011
  RSA482011  Calocedrus decurrens Richard Noyes, Laurel Arnseth 1988-9-10 722 Riverside Fern Basin Camp, 4 air miles northwest of Idyllwild 1875 Comment
  RSA761282  Calocedrus decurrens Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 732 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA761866  Calocedrus decurrens Patrick Garrett, C. Martinez, N. Fraga, L. McDade 2010-8-14 71 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA762187  Calocedrus decurrens Peter Guiden, C. Martinez, N. Fraga, L. McDade 2010-8-14 68 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA562491  Calochortus albus Steve Boyd, Timothy S. Ross 1992-5-5 7245 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats. Bluewater Trail. 732 Comment
  POM158454  Calochortus concolor Philip A. Munz 1927-5-21 10875 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  UCR1117  Calochortus concolor Kathy Shaffer 1957-5-18 s.n. Riverside San Jacinto Mountains, one mile south of Hwy 74 at the foot of Bautista Canyon 610 Comment
  CAS-BOT-BC488540  Calochortus concolor H. M. Hall 1901-6-1 2103 Riverside Eastern base, along the borders of the Colorado Desert; San Jacinto Mountains, Southern California Comment
  RSA0066240  Calochortus invenustus Anonymous s.n. Riverside Strawberry Valley. 1524 Comment
  RSA487424  Calochortus splendens Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  UCR168414  Calochortus splendens Gale Sphon 1959-5-2 325 Riverside Peninsular Ranges; Santa Ana Mountains region, Cleveland National Forest, between Upper and Lower San Juan Camps, 'Orange County 488 Comment
  CAS-BOT-BC483503  Calochortus splendens E. W. Lathrop 1965-5-18 5759 Riverside 8 miles west of Murrieta 609 Comment
  RSA674712  Calycadenia tenella Scott D. White 2000-5-1 7748 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  SDSU17440  Calyptridium parryi var. parryi C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-26 379 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
  SEINET3091115 Image available Calystegia longipes Peggy Merritt 1972-4-28 Riverside Canyon running N in dry granitic hills 1 mi S of intersec. of Alessandra Blvd. and Walnut St. 12 mi W of Riverside. Comment
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Aug 25 2013
  RSA543734  Calystegia macrostegia subsp. intermedia Steve Boyd, Timothy S. Ross, Mike Hammitt, Bob Boyd 1991-5-2 6069 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR98195  Calystegia macrostegia subsp. intermedia Scott D. White 1997-2-9 4672 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  CAS-BOT-BC199281  Calystegia sepium subsp. limnophila S. B. Parish 1903-10-15 5334 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  RSA294424  Camissonia Lyman Benson 1949-3-28 13573 Riverside Wash at east end of Pines to Palms Highway just above junction of Palm Springs-Indio Road; Mt. Range: Santa Rosa Mountains; Drainage area: Colorado Desert. 305 Comment
  UCR172195  Camissonia John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  RSA0039801  Camissonia bistorta Scott D. White, Tasha LaDoux 2000-4-20 7685 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA688850  Camissonia bistorta Scott D. White, Michael Honer 2003-5-13 9260 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  SEINET3093103 Image available Camissonia bistorta Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi S of intersection with Wilson Valley Road. (Sage 7.5' USGS quad). Comment
  UCR47219  Camissonia bistorta B. G. Pitzer 1987-3-2 0420 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  RSA387327  Camissonia boothii subsp. condensata Aaron Liston, T. S. Elias, O. R. Dorado, S. Zona 1986-11-29 642 -1 Riverside Colorado Desert. West of Chiriaco Summit. Comment
  RSA777538  Camissonia boothii subsp. condensata Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 898 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR208854  Camissonia brevipes Scott D. White 2001-4-17 8335 Riverside Sonoran (Colorado) Desert, Shavers Valley, north of the I-10 Freeway, c. 16 miles east of Indio junction of I-10 and Calif. 111, near powerline access roads at unnamed freeway exit accessing pump station 518 Comment
  RSA466174  Camissonia californica M. V. Hood 1945-3-25 s.n. Riverside Colorado Desert, Highway 71 near Aguanga 588 Comment
  RSA136919  Camissonia cardiophylla Peter H. Raven 1958-3-15 11832 Riverside Painted Canyon, near Mecca. Comment
  RSA454734  Camissonia cardiophylla M. B. Dunkle 1934-2-25 3848 Riverside Cathedral Canyon. Colorado Desert. 152 Comment
  RSA454738  Camissonia cardiophylla W. D. Pierce 1940-2-24 s.n. Riverside Painted Canyon, Orocopia Mts. Comment
  SEINET10492049  Camissonia cardiophylla David B. Dunn, Howard Brown 1947-2-9 Dunn 2846 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  UCR104006  Camissonia cardiophylla subsp. cardiophylla George K. Helmkamp, E. A. Helmkamp 1998-2-5 2661 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR256345  Camissonia claviformis Duncan S. Bell 2011-12-30 3033 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
  RSA186751  Camissonia hirtella Peter H. Raven 1962-4-28 17489 Riverside Ortega Highway 3.9 miles above its east base, Santa Ana Mountains 732 Comment
  RSA628479  Camissonia hirtella A. C. Sanders 1994-5-30 14594 Riverside Foothills NNE of Beaumont. 945 Comment
  UCR251998  Camissonia hirtella A. C. Sanders, T. B. Salvato 2014-7-2 41159 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR171986  Camissonia ignota 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
  UCR121666  Camissonia micrantha A. C. Sanders, T. B. Salvato 2000-5-8 23383 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus 396 Comment
  RSA171325  Camissonia strigulosa J. Olmstead 1962-5-3 3474 Riverside E slope on Baldy Mt., along Pines to Palms hwy., 1 1/2 mi. S of 4936' summit south of Mt. Center. San Jacinto -Santa Rosa Mts. 1311 Comment
  UC50469  Camissoniopsis bistorta H. M. Hall Apr. 1903 3723 Riverside Vicinity of Riverside 396 Comment
  SDSU3393  Camissoniopsis pallida subsp. hallii H. Wedberg 1958-4-4 232 Riverside About 200 feet below San Bernardino County line in Morongo canyon wash. Comment
  JOTR34272  Camissoniopsis pallida subsp. pallida La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3288 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  UCR166112  Camissoniopsis pallida subsp. pallida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16232 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  RSA613141  Cardamine hirsuta D. L. Banks 1997-3-6 1411 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Area between a newly established firebreak on the south end of the Reservation, west of Magee Truck Trail and upper Pala Creek. 396 Comment
  RSA770448  Carex alma Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4560 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR136264  Carex densa A. C. Sanders 2004-4-20 27567 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  CAS-BOT-BC32469  Carex jacintoensis Harvey Monroe Hall 1901-7-1 2483 Riverside San Jacinto Mountains. Tamarack Valley. 2743 Comment
  IRVC1230  Carex multicaulis R. H. Whittaker, W. A. Niering 1963-5-29 SJ 64 Riverside Highway above Idyllwild. Peninsular Ranges, San Jacinto Mountains 1860 Comment
  UCR128299  Carex multicaulis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8653 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
  RSA88858  Carex praegracilis F. W. Peirson 1922-5-20 3062 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  RSA627574  Carex sartwelliana Scott D. White 1998-7-31 6950 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  RSA769158  Carex senta P. F. Zika, Nick Otting 2010-8-3 25243 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains, Penisula Ranges 2550 Comment
  UC837101  Carex subfusca P. A. Munz 1922-6-24 5801 Riverside Pipe Creek San Jacinto Mts. 1584 Comment
  RSA364778  Carex triquetra J. D. Olmsted 1962-5-10 3657 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  CDA35222  Castela emoryi T. C. Fuller 1962-10-2 9697 Riverside Hayfields, north of Highway 60-70 to Indio, ca. 14 miles west of Desert Center. 0 Comment
  JEPS8558  Castilleja affinis subsp. affinis Rimo Bacigalupi with J. F. MacBride and Ruth D. Sanderson 1952-4-1 3595 Riverside 12 mi w Aguanga (along State Highway 71, se end of Pauba Valley); Pauba Valley 426 Comment
  SDSU14031  Castilleja affinis subsp. affinis Dinna Estrella, M. G. Simpson 2002-4-20 19 Riverside Santa Margarita Ecological Reserve. Loop trail, ca. 1/4 mile east of Northside station. 341 Comment
  POM312121  Castilleja applegatei subsp. martinii N. C. Cooper 1944-6-17 1418 Riverside San Jacinto Mountains: above Banning. 1372 Comment
  RSA773659  Castilleja exserta Duncan S. Bell, Joy D. England 2010-5-20 1022 Riverside San Bernardino National Forest: Garner Valley, approximately 1.75 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1361 Comment
  RSA0010931  Castilleja exserta subsp. exserta Scott D. White, Angelia Carey 2004-4-5 9991 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 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
  POM10107  Castilleja foliolosa Charlotte M. Wilder 1904-4-27 s.n. Riverside Wilder's Canyon, Jurupa Hills. Comment
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Apr 2 2011
  RSA0121435  Castilleja foliolosa Duncan S. Bell, LeRoy Gross 2016-3-30 9144 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
  RSA400575  Castilleja foliolosa N. R. Zabriskie, Walter M. Zabriskie 1971-4-6 359 Riverside North-facing slope. Andreas Canyon, east slope San Jacinto Mts. 457 Comment
  POM43759  Castilleja linariifolia Marcus E. Jones 1924-2-28 s.n. Riverside West of Blythe. Comment
  UCR114745  Catalpa bignonioides A. C. Sanders, K. C. Rose 1999-6-18 22800 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  UCR101331  Caucalis microcarpa A. C. Sanders 1997-4-10 20320 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  CAS-BOT-BC38294  Caulanthus cooperi Lewis S. Rose 1937-4-9 37121 Riverside Palms to Pines Highway, 18 miles west of Indio. 1036 Comment
  CAS-BOT-BC38298  Caulanthus cooperi L. R. Abrams 1926-3-26 11072 Riverside Palm Canyon. Comment
  JOTR34208  Caulanthus cooperi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 3000 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  UCD114553  Caulanthus heterophyllus A. C. Sanders; Steven R. Hill 2001-5-4 24134 Riverside Santa Ana Mountains region: W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Road at Avenida del Oro (to Sandia Crk. Dr.), E side of Rancho C. Road. 148 Comment
  UCR174142  Caulanthus heterophyllus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32570 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
  RSA0043378  Caulanthus major John F. Emmel 1996-6-16 1410 Riverside San Jacinto Mts.; Spitler Peak Trail, 0.0-0.1 air mile south and 0.4-0.5 air mile east of Cartridge Spring. 1767 Comment
  SEINET3507419 Image available Caulanthus simulans L. F. LaPre 1986-4-17 Riverside Bull Canyon, Gavilan Hills. Comment
  RSA0028170  Ceanothus John F. Emmel 1988-4-27 1086 Riverside Bautista Canyon road, 0.75 road mile northwest of turnoff to Tripp Flats. 1120 Comment
  RSA496738  Ceanothus crassifolius Maureen Pendleton 1988-2-1 s.n. Riverside Ca. 2.5 mi. S of Temecula between I-215 and Rainbow Canyon Road. 412 Comment
  RSA575075  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -V Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  SDSU10288  Ceanothus crassifolius A. H. Gallup 1947-10-30 77 Riverside 3.0 miles N of Rainbow. 732 Comment
  UC1071022  Ceanothus crassifolius A. Lewis 1934-5-1 444 Riverside Ortega Hwy Elsinore quad, Cleveland Nat. For. 762 Comment
  RSA510026  Ceanothus crassifolius B. Pitzer, E. Misquez 1988-2-28 619 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  UCR92455  Ceanothus cuneatus A. C. Sanders, S. Hawkins 1996-4-24 18075 Riverside San Bernardino Mtns, Morongo Indian Reservation, along dirt road in Hathaway Canyon, near Burro Flats 1159 Comment
  UCR154461  Ceanothus cuneatus var. cuneatus Jason L. Hlebakos 2005-5-30 803 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  RSA336411  Ceanothus greggii var. perplexans Robert F. Thorne, R. Whittaker, A. Shmida 1978-4-23 52083 Riverside Pinyon Flats: along Hwy 74, Santa Rosa Mountains. Comment
  UC489159  Ceanothus integerrimus C. V. Meyer June 1927 178 Riverside San Jacinto Mountains 1828 Comment
  POM254865  Ceanothus integerrimus var. integerrimus W. Pequegnat 1940-7-1 s.n. Riverside Santiago Peak. 1735 Comment
  CAS-BOT-BC51284  Ceanothus leucodermis C. F. B. 1903-4-4 4144 Riverside Elsinore - S. Cal. Comment
  CAS-BOT-BC51288  Ceanothus leucodermis H. E. McMinn 1925-7-2 1523 Riverside Idyllwild grade - San Jacinto Mt. Comment
  POM282968  Ceanothus leucodermis E. W. Lathrop 1966-3-20 6072 Riverside Summit Temecula. Comment
  UCR26628  Ceanothus spinosus E. W. Lathrop 1966-3-30 6120 Riverside Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso & Santiago Peak 1220 Comment
  UCR271518  Ceanothus tomentosus T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8352 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  UCR167838  Centaurium venustum T. B. Salvato, Melissa Clemons 2005-6-2 1357 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
  RSA734492  Centaurium venustum subsp. venustum M. Wall 2008-6-20 487 Riverside San Jacinto River east of Hemet off Hwy 74 just east of confluence with the North Fork; 637 Comment
  SD239576  Centromadia pungens subsp. laevis Karyn L. Drennen 2010-6-10 11 Riverside Santa Anna Mountains foothills: Murrieta Creeek, 320 m southeast of Clinton Keith Road bridge. 363 Comment
  JEPS57812  Centrostegia thurberi var. thurberi W. L. Jepson 1901-5-25 1432 A Riverside Coyote Canyon near Van Deventer's Ranch, from Riverside to Santa Rosa Peak and Palomar Coyote Canyon Comment
  RSA496460  Cerastium glomeratum Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-31 3076 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA673720  Cerastium glomeratum Scott D. White, W. La Haye 2000-5-27 7942 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR126372  Cerastium glomeratum A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 680 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR25793  Cerastium glomeratum John C. Roos 1952-4-16 5556 Riverside Box Springs Mountains, Pigeon Pass 457 Comment
  RSA289872  Ceratophyllum demersum B. A. Prigge 1980-9-17 4092 Riverside Coachella Valley Stormwater Channel: 2 mi. W of Mecca, where Pierce Rd. crosses channel. -55 Comment
  CHSC46062  Cercidium floridum Troy Griffiths 1988-4-1 102 Riverside Vic. of Living Desert Reserve, ca. 3 mi se of Palm Desert. 76 Comment
  RSA405366  Cercidium floridum Elbert Benjamine 1929-3-6 140 Riverside Box Canyon, Coachella Valley. Comment
  POM14551  Cercidium floridum Alice Eastwood 1913-4-30 3004 Riverside Palm Springs. Comment
  UC1073270  Cercidium floridum subsp. floridum George B. Rossbach 1955-4-23 314 Riverside near Shaver's Well (along Route 195 e of Mecca); Box Canyon Wash 304 Comment
  UC56988  Cercocarpus betuloides var. betuloides H. M. Hall April, 1902 2894 Riverside vicinity of Sage; Southern California 609 Comment
  UCR176173  Cercocarpus betuloides var. betuloides Jim Andre 2006-4-26 6783 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  POM351654  Chaenactis artemisiifolia N. C. Cooper 1944-6-4 1328 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  RSA487428  Chaenactis artemisiifolia Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
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Dec 21 2010
  RSA586793  Chaenactis artemisiifolia Darin L. Banks, Steve Boyd 1995-5-3 0231 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  SD187337  Chaenactis artemisiifolia Scott D. White, Angelia Carey 2004-4-16 10151 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  UC1424842  Chaenactis artemisiifolia E. W. Lathrop 1968-6-2 6956 Riverside trail between El Carriso and San Mateo Canyon (main divide truck); Santa Ana Mountains, Cleveland Nat'l Forest 1219 Comment
  UCR258749  Chaenactis artemisiifolia T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7902 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  CAS-BOT-BC276401  Chaenactis carphoclinia Ynez Whilton Winblad 1937-3-17 s.n. Riverside Box Canyon Comment
  RSA0106710  Chaenactis carphoclinia Duncan S. Bell, Amanda Turek 2010-4-9 781 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 485 Comment
  RSA735399  Chaenactis carphoclinia var. carphoclinia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11226 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  CDA7370  Chaenactis fremontii T. C. Fuller 1962-4-3 7989 Riverside Highway 99 to Indio, 0.2 mile north of turn-off to Twenty Nine Palms. 0 Comment
  JOTR32431  Chaenactis fremontii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2279 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  OBI16855  Chaenactis fremontii Robert F. Hoover 1969-4-11 11211 Riverside Mouth of Morongo Valley cyn Comment
  POM66644  Chaenactis fremontii Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA28082  Chaenactis fremontii I. L. Wiggins 1941-3-27 9700 Riverside 4 mi. north of Whitewater. Comment
  RSA717622  Chaenactis fremontii Scott D. White, Andrea Warniment 2006-3-29 11275 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  RSA757634  Chaenactis fremontii LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4320 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA775095  Chaenactis fremontii Duncan S. Bell, Amber Swanson 2011-2-18 2035 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UC90104  Chaenactis fremontii S. B. and W. F. Parish 1882-4-1 343 Riverside borders of the Colorado Desert; , Whitewater Comment
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Jul 15 2009
  UCR41227  Chaenactis fremontii N. M. Fellows, A. C. Sanders 1985-4-9 131 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
  UCSB9972  Chaenactis fremontii Koran, Jr., John 1958-4-15 Riverside 2.8 miles W. of Hwy. 111, on Hwy. 74 just outside of Palm Springs Comment
  RSA0120305  Chaenactis glabriuscula Duncan S. Bell 2016-4-16 9324 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  CAS-BOT-BC277416  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1899-5-1 s.n. Riverside San Jacinto Mt. (Van de Venter's [Vandeventer]) 1371 Comment
  UC74100  Chaenactis glabriuscula var. glabriuscula M. F. Gilman 1904-1-1 2 Riverside Banning Comment
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Mar 13 2011
  UCR115935  Chaenactis glabriuscula var. lanosa Mitch Provance 1998-4-7 1778 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon 396 Comment
  RSA0105668  Chaenactis stevioides Duncan S. Bell 2010-4-2 713 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; aproximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  POM351832  Chaenactis stevioides var. stevioides T. H. Holmes 1932-3-18 s.n. Riverside White Water, Palm Springs. Comment
  JOTR34148  Chaenactis xantiana La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3164 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  RSA545217  Chamaesyce R. F. Thorne 1970-10 41878 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  RSA38414  Chamaesyce albomarginata P. A. Munz 1946-10-21 11597 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1296 Comment
  RSA588663  Chamaesyce maculata D. L. Banks, S. D. Boyd 1995-10-17 0822 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, campsite #9. Disturbed area around the campsite and campground roadway. 488 Comment
  RSA668235  Chamaesyce nutans A. C. Sanders 1994-11-8 15863 Riverside Sonoran (Colorado) Desert Coachella Valley, Palm Desert. Weeds in lawns & flower beds along a commercial strip on Hwy 111 between Hwy 74 and Sage Lane. 46 Comment
  SEINET3089924 Image available Chamaesyce pediculifera A. C. Sanders, Pitzer, Wright, Charleton, Weir, Bramlett, et al. 1986-3-9 6231 Riverside Painted Gorge, 5.1 miles N of S-80 on Painted Gorge Road, ca. 5 miles NE of Ocotillo. 152 Comment
  JOTR28794  Chamaesyce polycarpa La Doux, Tasha 2005-3-30 1063 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  UC1007177  Chamaesyce polycarpa Philip A. Munz 1940-3-23 15672 Riverside Dale rd to Cottonwood Springs south base of Pinto Mtns 609 Comment
  RSA432470  Chamaesyce polycarpa var. hirtella Christopher Davidson 1973-4-1 1837 Riverside Palm Springs. 488 Comment
  CAS-BOT-BC66319  Cheilanthes clevelandii John Thomas Howell 1927-8-2 2907 Riverside a few miles south of Banning on road to Strawberry Valley of Mt. San Jacinto 670 Comment
  RSA526175  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross 1990-5-11 4677 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
  IRVC3127  Cheilanthes covillei R. H. Whittaker, W. A. Niering 1963-5-31 SJ 117 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1280 Comment
  RSA1781  Cheilanthes covillei C. B. Wolf 1931-5-11 1957 Riverside Near Pipe Creek, above Hemet Valley. 1677 Comment
  RSA685716  Cheilanthes covillei I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 762 Comment
  RSA772849  Cheilanthes covillei Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4842 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCR133030  Cheilanthes newberryi Scott D. White 1993-4-22 1263 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  RSA336041  Cheilanthes parryi R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52022 Riverside Chino Canyon Comment
  RSA86209  Cheilanthes parryi F. W. Peirson 1920-12-28 1504 Riverside Murray Canyon, near Palm Springs 304 Comment
  UCR105987  Cheilanthes parryi L. C. Wheeler 1952-12-15 7026 Riverside Sonoran (Colorado) Desert, Riverside Mountains, shore of Alligator Slough of the Colorado River; [near] Mountaineer Mine, north of Johnson's Camp Comment
  UC668413  Cheilanthes viscida Annie M. Alexander and Louise Kellogg 1941-4-22 2060 Riverside Whitewater Canyon; Colorado Desert 548 Comment
  UCR113607  Chenopodium album A. C. Sanders, Mitch Provance 2000-10-16 23722 Riverside Riverside, railroad right of way between Watkins Dr. and Campus View Dr., near site of Lemona siding 335 Comment
  SD247396  Chenopodium berlandieri Andy Sanders 2013-7-7 40860 Riverside Peninsular Range; San Jacinto Mountains: near central Idyllwild, west side of Highway 243 at road junction to Astrocamp (Saunders Meadow Road) and 0.15 kilometer northeast of Tollgate Road junction. 1595 Comment
  UCR114198  Chenopodium berlandieri A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23631 Riverside Perris-Aguanga Basin Region, Romoland, Menifee Rd. just north of Hwy 74 451 Comment
  UCR115144  Chenopodium missouriense Mitch Provance 2000-10-28 2269 Riverside Jurupa Hills, Sunnyslope, residential areas near the Ormand Quarry. 274 Comment
  UCR156372  Chenopodium pumilio T. B. Salvato, Kent Beaman 2005-5-16 865 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
  UCSB8347  Chilopsis linearis Leeuwen, Henry 1957-4-13 Riverside Next to Cal. Hwy. 195 about 6 miles east of Mecca Comment
  SBBG68705  Chilopsis linearis subsp. arcuata M. N. Ackley 1928-3-31 21 Riverside Painted Cyn 30 Comment
  UCD121659  Chilopsis linearis subsp. arcuata Marian L. Vincent; Richard H. Swade 1963-10-19 452 Riverside Snow Creek Road, 2 miles from its intersection with California State Hwy. 111. 365 Comment
  UC64797  Chloracantha spinosa var. spinosa E. E. Schellenger 1904-2-9 3 Riverside Paloverde Bench Colorado River Comment
  UCR102887  Chloris truncata A. C. Sanders 1997-3-26 20138 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR148011  Chloris truncata Stan C. Spencer 2000-10-20 s.n. Riverside Hemet, corner of Warren Rd. and Stetson Ave. 457 Comment
  RSA689435  Chloris truncata R. E. Riefner 2003-10-21 3 -461 Riverside Menifee Valley, along Newport Road 1 mi. E of Goetz Road intersection. 442 Comment
  RSA678382  Chorizanthe brevicornu Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10446 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  JOTR16806  Chorizanthe brevicornu var. brevicornu Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  POM122108  Chorizanthe brevicornu var. brevicornu Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA392612  Chorizanthe brevicornu var. brevicornu Christopher Davidson 1973-4-19 1978 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  RSA721888  Chorizanthe brevicornu var. brevicornu J. Mark Porter, Orlando Mistretta 2003-6-5 13617 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  UC68578  Chorizanthe brevicornu var. brevicornu H. M. Hall May, 1905 6029 Riverside near Pinto Mountains; Colorado Desert, near Pinto Mountains Comment
  UCSB1361  Chorizanthe brevicornu var. brevicornu Haller, John 1959-3-22 Riverside immediately south of Hwy 60-70 , 5.9 miles E. of Desert Center Comment
  CLARK-A1045-292  Chorizanthe coriacea George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains Bee Canyon Road; chaparral; ; Hemet 15'Q 609 Comment
  UCR30161  Chorizanthe corrugata A. C. Sanders 1983-4-24 3801 Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, at the mouth of Salt Creek, 2 mi. north of the Imperial County line along Hwy 111 -70 Comment
  SDSU13527  Chorizanthe fimbriata var. fimbriata W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UCR66982  Chorizanthe leptoceras D. E. Bramlet, D. J. Bradney 1989-6-12 1915 Riverside Arroyo Seco, 1000 ft. south of Hwy 79 and 700 ft west of U.S.F.S. Dripping Springs Campground, on sandy beaches c. 200 ft. west of Arroyo Seco channel 485 Comment
  POM122120  Chorizanthe parryi var. parryi Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UC284215  Chorizanthe staticoides P. A. Munz and D. D. Keck 1923-6-14 7085 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mts. 1463 Comment
  UC449702  Chorizanthe staticoides Mrs. Lottie M. Wilder 1903-6-4 44 Riverside Wilder's Comment
  RSA777280  Chorizanthe watsonii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4742 -a 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
  JEPS57758  Chorizanthe xanti W. L. Jepson 1914-5-25 6065 Riverside San Gorgonio Pass 518 Comment
  JEPS37732  Chrysolepis sempervirens Carl V. Meyer 1928-7-31 614 Riverside Tahquitz Peak; San Jacinto Mts. Comment
  UC5446  Chrysolepis sempervirens H. M. Hall Jul 1901 2466 Riverside vicinity Tamarack Valley; San Jacinto Mountains 2438 Comment
  CLARK-A1528-1732  Chrysothamnus paniculatus John C. Roos 1943-10-17 2736 Riverside Little San Bernardino Mountains Comment
  RSA346265  Chrysothamnus paniculatus R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54040 Riverside San Bernardino Mts: White Water River, S of bridge, just W of Whitewater 396 Comment
  RSA779929  Chrysothamnus paniculatus Marc Baker, Michelle Cloud-Hughes 2011-10-13 17476 Riverside Cottonwood Mountains, Pinkham Canyon, 45 km ESE of Palm Springs, 26 km NW of Chiriaco Summit, 2.5 km south of the Snow Cloud Mine. 808 Comment
  UCR269110  Chrysothamnus paniculatus Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4553 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
  UCR89704  Chrysothamnus paniculatus J. M. Stewart 1990-10-28 672 Riverside Sonoran Desert. Colorado Desert, Eagle Mountains Comment
  UC101093  Chrysothamnus viscidiflorus subsp. viscidiflorus Rev. J. C. Nevin 1900-1 Riverside San Jacinto Mt. Comment
  CAS-BOT-BC160588  Chylismia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-29 3109 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 mi. So. of Browns Well 243 Comment
  CAS-BOT-BC160602  Chylismia claviformis subsp. aurantiaca Carl B. Wolf 1937-4-6 8425 Riverside Colorado Desert. Coachella Valley, 2 mi. NE. of Edom 30 Comment
  JEPS23461  Chylismia claviformis subsp. aurantiaca L. E. Carpenter circa 1914 Riverside Indio Colorado Desert Comment
  UC68523  Chylismia claviformis subsp. aurantiaca H. M. Hall Apr. 1905 5805 Riverside 10 mi w Coachella; Colorado Desert 91 Comment
  UC30777  Cirsium occidentale var. californicum Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  CAS-BOT-BC438664  Cistanthe ambigua S. B. Parish; W. F. Parish 1884-4-5 1188 a Riverside Indio Comment
  CAS-BOT-BC438665  Cistanthe ambigua Aven Nelson; Ruth Nelson 1939-3-29 3326 Riverside Near the Palm grove, at Hidden Springs, on the Mecca road Comment
  CAS-BOT-BC438849  Cistanthe monandra L. R. Abrams 1926-3-26 11038 Riverside Palm Springs Comment
  UCR59858  Citrullus lanatus J. M. Stewart 1989-11-20 637 Riverside Western Colorado Desert, Interstate Hwy 10, east of Indian Avenue, North Palm Springs Comment
  UCR57226  Clarkia Jeri Hirshberg 1989-5-2 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW of Mesa de Burro 610 Comment
  CAS-BOT-BC172108  Clarkia dudleyana Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  UCR174552  Clarkia purpurea Jennifer H. Jones 2006-6-6 404 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  CAS-BOT-BC163863  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1930-5-10 4803 Riverside At top of St. John's Grade Comment
  CSUSB230  Clarkia purpurea subsp. quadrivulnera R. Thomasson 1973-5-30 Riverside Box Springs Mountains Box Springs Mountains; Big C turnoff. 0.6 miles from Box Springs Mountain Road. 777 Comment
  RSA678934  Clarkia purpurea subsp. quadrivulnera Scott D. White, Michael Honer 2003-6-3 9477 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR20817  Clarkia similis A. C. Sanders 1980-5-22 1506 Riverside San Jacinto Mtns., Hwy 243, 0.6 mi above the foot of the mtn. at Smith Creek 732 Comment
  RSA65731  Claytonia parviflora subsp. tenuifolia E. C. Jaeger 1921-6-21 5440 Riverside Idyllwild. Comment
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Nov 5 2011
  UCR166159  Claytonia perfoliata John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  HSC17685  Claytonia perfoliata subsp. mexicana C. L. Hitchcock, C. V. Muhlick 1964-3-17 23074 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  RSA585627  Claytonia perfoliata subsp. perfoliata D. L. Banks, Steve Boyd 1995-3-15 0062 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 689 Comment
  UCR91527  Claytonia perfoliata subsp. perfoliata Scott D. White 1996-3-31 3864 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
  VVC426  Clematis lasiantha A. C. Sanders 1997-5-4 20675 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. N of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon. 1098 Comment
  SD136775  Clematis ligusticifolia Steve Boyd, T. Ross, D. Bramlet 1992-9-9 7676 Riverside San Mateo Canyon Wilderness, Upper San Mateo Canyon, top of Tenaja Falls 671 Comment
  RSA386287  Clematis pauciflora Jean Carnine 1932-3-28 s.n. Riverside San Jacinto Mountains. Comment
  POM292737  Cleome isomeris Lyman Benson 1954-4-2 15262 . Riverside 1 mile east of Cabazon. Drainage area: Colorado Desert. 457 Comment
  SBBG70871  Coleogyne ramosissima R. H. Nordhoff 1940-11-11 591 Riverside Morongo Pass Comment
  JEPS24218  Collinsia concolor Peter H. Raven 1958-5-18 13004 Riverside Pinyon Flats San Jacinto Mountains (near stream) Comment
  POM229458  Collinsia concolor Philip A. Munz 1937-5-30 15090 Riverside sandy area north of Vandeventer Flat, Santa Rosa Mts. 1677 Comment
  UC454819  Collinsia concolor I. J. Condit 1910-6-24 Riverside rd to Idyllwild; San Jacinto Mtns 914 Comment
  UCR193134  Collinsia concolor A. C. Sanders, Tim Thomas 2008-6-20 35529 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  RSA0117429  Collinsia concolor Steve D. Boyd, Orlando Mistretta 1991-5-22 6299 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  CLARK-A1528-849  Collinsia heterophylla F. Zaebst 1959-4-29 Riverside Temecula Comment
  RSA797662  Collinsia heterophylla var. heterophylla Robert F. Thorne, E. W. Lathrop 1977-5-18 49766 Riverside Santa Ana Mountains: Camp Portrero [near junction of Tenaja Truck Trail and Ortega Highway (74)] Comment
  RSA0043037  Colubrina californica Duncan S. Bell, Evan Meyer 2014-4-3 6531 Riverside Chuckwalla Mountains; northeast section of range; Spring Tank, approximately 3.25 air miles southeast of Desert Center. 446 Comment
  UCR207235  Conium maculatum O. F. Clarke 2007-4-27 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SBBG101645  Convolvulus simulans S. Boyd with T. Ross 1991-6-14 6405 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215, just SW of jct of Briggs Rd and Scott Rd Comment
  POM10039  Conyza coulteri E. A. Zumbro 96 Riverside Cold Water Canyon, bridge over old canal. Comment
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Apr 10 2016
  RSA381979  Corallorhiza maculata Christopher Davidson 1978-6-15 7396 -C Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  SEINET7067552  Cordylanthus rigidus subsp. rigidus A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. Coordinate datum: NAD27. UTM Zone 11, 476286mE, 3704448mN. Comment
  UCR35228  Cordylanthus rigidus subsp. setiger L. B. Ziegler 1967-9-6 241 Riverside San Jacinto Mtns, Hemet Valley (=Garner Valley), Quinn Flats region 1375 Comment
  CAS-BOT-BC287880  Coreopsis californica Ira L. Wiggins 1941-3-27 9706 Riverside Slopes 4 miles N of Whitewater Comment
  JOTR31012  Coreopsis californica var. californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1301 Riverside Joshua Tree National Park. Stop 7: Hexie Mountains, Pleasant Valley, along Geology Tour road loop, just south of where loop begins 1039 Comment
  UCR225436  Crassula connata A. C. Sanders, T. B. Salvato 2011-3-29 38880 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  SD125360  Crassula connata Robert F. Thorne, Earl Lathrop 1975-5-20 45501 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; vernally wet, clayey openings in grassland. 609 Comment
  SEINET4691688  Crinodendron patagua O. F. Clarke 2006-1 s.n. Riverside Peninsular Range: Riverside; O. F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CAS-BOT-BC181568  Crossosoma bigelovii Annie M. Alexander; Louise Kellogg 1941-2-28 1877 Riverside Andreas Canyon, San Jacinto Mountains 365 Comment
  RSA337441  Crossosoma bigelovii R. F. Thorne, C. W. Tilforth 1973-5-30 43584 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
  SD49852  Crossosoma bigelovii Jane Turner 1959-3-21 75 Riverside Morongo Wash, 8 miles north of US Hwy 99 along road to Morongo Valley Comment
  UCD102968  Crossosoma bigelovii P. C. Everett; E. K. Balls 1958-5-4 23080 Riverside Morongo Pass, 7.6 mi. n. along road to 29 Palms from U.S. Hwy. 60/70. 670 Comment
  JOTR28934  Croton californicus La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1168 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  SEINET3089930 Image available Croton californicus B. Pitzer 1986-5-24 247 Riverside Whitewater Canyon, ca. 5 mi N of Hwy I-10 on Whitewater Canyon Road. From N edge of Hatchery to ca. 1/4 mi N of hatchery boundary. Whitewater 7.5' quad. 731 Comment
  UCR262097  Croton californicus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41518 Riverside San Gorgonio Pass, 2.25 miles ESE of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and Elm St. 474 Comment
  SEINET11263871  Croton setiger T. B. Salvato, Melissa Clemons 2005-6-23 1287 Riverside Penninsular Range, Temescal Valley, Alberhill, instersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at bsse of Walker Canyon (Alberhill 7.5' Q); 0 378 Comment
  UCR139648  Croton setiger A. C. Sanders 2004-6-30 28385 B 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
  CAS-BOT-BC189261  Cryptantha C. Cowan 1978-4-25 1264 Riverside 0.4 mile off Highway 74 on Morris Ranch Road, 4.3 miles N on Highway 74 from its junction with Highway 371, San Bernardino NF, Whittaker transect #W 227 Comment
  IRVC28961  Cryptantha Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9026 Riverside Ca. 0.05 mi. S on Santa Rosa Mtn. Road from Hwy 74. Peninsular Ranges, Santa Rosa Mountains Comment
  RSA0029325  Cryptantha angustifolia Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4688 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
  RSA760822  Cryptantha angustifolia Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-3-30 107 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  RSA795934  Cryptantha angustifolia Duncan S. Bell 2009-4-19 262 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SEINET3152142  Cryptantha angustifolia S. B. Parish 1907-4-15 6158 Riverside Western base of the Colorado desert. 450 Comment
  UC551815  Cryptantha angustifolia F. R. Fosberg 1932-3-13 10623 Riverside Thousand Palms Canyon Comment
  SEINET10455841  Cryptantha angustifolia David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2900 Riverside Pushawalla Canyon Biota. Indio Hills. In wash. Comment
  POM6630  Cryptantha barbigera P. A. Munz, L. T. Street 1919-3-27 2350 Riverside Salton Sea Comment
  RSA784966  Cryptantha barbigera Duncan S. Bell 2012-3-18 3230 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  UCR262240  Cryptantha barbigera T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3710 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
  UCR52068  Cryptantha decipiens var. decipiens D. C. Hawks 1988-3-27 s.n. Riverside between Aguanga and Anza, southeast of intersection of Dove and Sycamore Streets, south of Hwy 371. Tule Creek drainage, 1.75 mi airline northeast of Aguanga 762 Comment
  UCR18499  Cryptantha dumetorum Frank C. Vasek, O. F. Clarke 1966-4-4 s.n. Riverside Santa Rosa Mtns, Hwy 74 at Royal Carrizo Road, Deep Canyon drainage 917 Comment
  RSA796504  Cryptantha holoptera J. Andre 2012-3-19 21382 Riverside Palen Mountains; along Palen Pass Road at Palen Pass. 383 Comment
  CLARK-A1528-331  Cryptantha intermedia C. M. Flanagan 1973-5-31 OO 632 Riverside Morongo Indian Reservation 975 Comment
  HSC3617  Cryptantha intermedia C. L. Hitchcock, C. V. Muhlick 1964-3-17 23092 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  POM13225  Cryptantha intermedia E. C. Jaeger 1921-4-12 1127 Riverside Palm Springs (Cabazon) Comment
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Mar 13 2011
  UCR136268  Cryptantha intermedia A. C. Sanders 2004-4-20 27545 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR174947  Cryptantha intermedia Jennifer H. Jones, Toby Bartels 2006-4-23 275 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  UCR193983  Cryptantha intermedia A. C. Sanders 2008-7-25 35910 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  SDSU21781  Cryptantha juniperensis Mitch Provance 6532 Riverside San Bernardino Valley: Rialto, Colton Dune System, N side of Slover Ave. between Pepper Ave. and the tank farm (ca. 0.5 mi. W of Pepper Ave.) 320 Comment
  JOTR29373  Cryptantha maritima La Doux, Tasha, Mike Bell 2006-5-10 1450 Riverside Joshua Tree National Park. East Deception Canyon Comment
  POM369474  Cryptantha maritima M. B. Dunkle 1932-3-25 2903 -b Riverside Near Cathedral Canyon 152 Comment
  UCR233178A  Cryptantha maritima Jim Andre, Glenn L. Clifton 2011-2-22 17430 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  POM73198  Cryptantha maritima var. pilosa Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  UC1329936  Cryptantha micrantha James E. Cole 1941-6-15 905 Riverside Black Spring Wash Joshua Tree National Monument 1280 Comment
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Feb 24 2013
  UC1563096  Cryptantha micrantha Steve Boyd and Orlando Mistretta 1986-3-13 1429 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
  UC24830  Cryptantha micrantha H. M. Hall May 1901 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  POM13197  Cryptantha micrantha var. lepida P. A. Munz, I. M. Johnston 1922-5-20 5475 Riverside Kenworthy, San Jacinto Mountains 1433 Comment
  RSA499652  Cryptantha micrantha var. lepida Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR256085  Cryptantha micrantha var. lepida G. D. Wallace 2003-7-8 4028 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  UCR62657B  Cryptantha microstachys A. C. Sanders, K. Berg, M. Skinner 1990-4-15 10020 Riverside c. 2 mi. NNE of Sage, Red Mountain Road, 0.25 mi. east of County Road R3 Comment
  UCR90417  Cryptantha microstachys D. L. Banks 1995-5-3 0209 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
  UCR268303  Cryptantha muricata var. jonesii Jim Andre 2012-6-15 30518 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
  RSA0106708  Cryptantha nevadensis Duncan S. Bell, Amanda Turek 2010-4-9 758 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  UCR37628  Cryptantha racemosa George K. Helmkamp 1984-5-2 D 14 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  RSA689696  Cryptantha simulans Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1704 Riverside Slope above junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  RSA5435  Cryptogramma acrostichoides C. B. Wolf 1932-8-5 3978 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  RSA264579  Cucurbita palmata C. W. Tilforth, John Dourley, W. Wisura 1977-5-19 s.n. Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd]. 266 Comment
  UC1075573  Cucurbita palmata P. C. Everett and E. K. Balls 1956-5-2 21550 Riverside 1 mi. from turn-off w. of Desert Center to Eagle Mt. 274 Comment
  CAS-BOT-BC224549  Cuscuta californica David B. Dunn 1946-3-15 2016 Riverside In vicinity of Pushawalla Canyon, Indio Hills Comment
  RSA520946  Cuscuta californica Steve Boyd, D. E. Bramlet 1988-10-8 2870 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UCR31665  Cuscuta californica var. papillosa John C. Roos 1946-12-7 3184 Riverside Western Colorado Desert, Pushawalla Wash Comment
  RSA160502  Cuscuta indecora J. D. Olmsted 1959-9-23 993 Riverside Mt. Range NW of Lakeview Mts. Drainage area to Lake Elsinore. San Jacinto River crossing by Lakeview Rd from US 395. 427 Comment
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Jan 1 2007
  SEINET238804  Cuscuta pentagona Mitch Provance 2000-7-4 2105 Riverside Santa Ana River Wash between the Market St. and Riverside Avenue crossings. 244 Comment
  SD248379  Cylindropuntia Mark A. Baker, Michelle Cloud-Hughes. 2012-3-25 17525 7 Riverside Pilot Mountain 7.5'Q USGS quad. Northeast end of Chuckwalla Mountains, 11 km SSE of Desert Center, 70 km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400 south of Corn Springs Wash. 525 Comment
  CAS-BOT-BC59392  Cylindropuntia acanthocarpa var. acanthocarpa Roxana S. Ferris 1928-4-21 7179 Riverside Field redacted by CAS, contact the data manager for more information Comment
  SEINET5624453 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .4 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  RSA0114882  Cylindropuntia echinocarpa Marc A. Baker 2014-2-16 17932 Riverside Big Maria Mountains, along the Midland-Vidal Road, 12.5 km WSW of Quien Sabe Point, 33km NNW of Blythe. 337 Comment
  UCR72164  Cynanchum utahense Theo Glenn 1991-5-8 91- 84 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  RSA289852  Cynodon dactylon B. A. Prigge 1980-9-16 4050 Riverside Indio. Coachella Valley Stormwater Channel., Near 33 deg 44'N, 116 deg 14'W. 0 Comment
  CAS-BOT-BC114543  Cyperus eragrostis Crawford; Johnston 1917-6-9 1256 Riverside Santa Ana River near Corona. Comment
  RSA630336  Cyperus eragrostis Scott D. White 1996-9-22 4540 Riverside Nuevo Road near intersection with Wilson Ave., W of the San Jacinto River crossing. 430 Comment
  SEINET7581721 Image available Cyperus erythrorhizos Steve Boyd 1982-11-2 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of "Estelle Creek" and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain. 329 Comment
  UCR146245  Cyperus involucratus R. F. Thorne 1965-4-4 41861 Riverside San Jacinto Mountains, Tahquitz Falls, Taquitz Canyon 305 Comment
  RSA736649  Cyperus odoratus Justin M. Wood 2008-7-16 37 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  SBBG59187  Cyperus odoratus S. B. Parish 1891-11-3 Riverside Elsinore Lake Comment
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Aug 8 2010
  UCR92351  Cyperus odoratus Scott D. White, S. Ogg 1994-10-17 2460 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  RSA289804  Cyperus parishii B. A. Prigge 1980-8-12 3943 Riverside San Bernardino Mountains, Whitewater Canyon: 0.7 mile WNW of trout farm. 720 Comment
  SEINET893061  Cytisus striatus A. C. Sanders, Chet McGaugh 1991-1 11142 Riverside Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa and north of Calle del Lago. 347 Comment
  HSC47600  Dalea mollis Richard Spjut 1975-5-10 5035 Riverside N face of Chuckawalla Mts., 2.7 mi. S of Desert Center. 335 Comment
  RSA684338  Dalea mollis Scott D. White, Michael Honer 2003-4-18 9037 Riverside Coachella Valley. Open sand north of the I-10 Freeway at Jefferson Ave. interchange. 12 Comment
  HSC87170  Dalea mollissima Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2167 Riverside Palen Pass at the N end of the Palen Mtns. 500 Comment
  JOTR16699  Dalea mollissima Vanderspek & Youse 1964-4-19 64537 Riverside Joshua Tree National Park. WILSON CANYON 853 Comment
  UCR148441  Dalea mollissima John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24 (near 23), just north of Salt Creek crossing 23 Comment
  CLARK-A1656-854  Dalea parryi Jon Mark Stewart 1983-11-14 83-60 Riverside Santa Rosa Mountains 822 Comment
  RSA704244  Dasyochloa pulchella Gary D. Wallace 1982-5-15 1997 Riverside Palms to Pines Highway, 7 level hill. Comment
  RSA709874  Dasyochloa pulchella Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4618 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA586337  Datisca glomerata D. L. Banks, S. D. Boyd 1995-5-3 0202 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
  UC724162  Datura discolor Aven and Ruth Nelson 1939-3-28 3299 Riverside s. Mecca (on State Hwy. 111) Comment
  UC1234726  Datura wrightii David P. Gregory 1961-6-6 469 Riverside near the Santa Ana River w Prado Dam; near the Santa Ana River, w of Prado Dam Comment
  UCR199633  Datura wrightii Scott D. White 2004-4-26 10245 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  RSA470788  Daucus pusillus Robert Gustafson, Gary D. Wallace 1983-6-23 2707 Riverside Santa Ana Mountains, Clinton Keith Road near junction with Tenaja Road. Comment
  RSA500216A  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3527 A Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SD136937  Daucus pusillus Steve Boyd, Tim Ross 1992-6-10 7635 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. San Mateo Cyn about Potrero Escondido.west of junction Tenaja Road and Los Alamos Road 669 Comment
  UCR121884  Daucus pusillus Ian G. Gillespie 2001-5-7 86 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  UCR26994  Daucus pusillus E. W. Lathrop 1966-5-8 6517 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  SBBG119221  Deinandra paniculata A. C. Sanders, T. B. Salvato 2003-5-21 26787 Riverside Wildomar, old ranch parcel SE of Wesley St and SW of Laguna Rd, W of Orange St, NE of Palomar St (Wildomar 7.5' quad: 33 deg 36'49"N, 117 deg 16'43"W) 402 Comment
  SEINET6051330  Deinandra paniculata Robert Allen, Allen, Linnel 2008-7-27 Riverside Santa Ana Mountains. South Main Divide Road, 4.7 road mi SE of junction with Ortega Hwy (SR74). Just south of the gated entrances to Rancho Capistrano Housing Developments. Comment
  SEINET3159336  Delphinium parishii S. B. Parish 1907-4-18 6074 Riverside western border of the Colorado desert; from type? station 150 Comment
  RSA0020485  Delphinium parishii subsp. parishii Marjorie Shaw 1916-05 s.n. Riverside Palm Springs. Comment
  LA207622  Delphinium parishii subsp. subglobosum Carl Epling; 1937-5-7 sn Riverside 2 mi. above PInon Flats, Palms to Pines Hwy Comment
  POM305417  Delphinium parryi Henry J. Ramsey, Henry J. Ramsey 1938-5-4 636 Riverside Elsinore Comment
  UC64113  Delphinium patens subsp. montanum H. M. Hall 1899-5-1 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  UCR49241  Dendromecon rigida Steve Boyd 1986-4-22 1748 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  SEINET10476415  Dendromecon rigida David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-15 Dunn 20755 Riverside Along hwy 74 w of the jct rd to idyllwild, 11 mi w at the lower edge of the coulter pines and near the chaparral. Decomp granite. Comment
  RSA262099  Dendromecon rigida subsp. rigida E. W. Lathrop 1971-3-24 7468 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA523495  Dendromecon rigida subsp. rigida Steve Boyd, L. Arnseth, Tim Ross 1990-3-30 3955 Riverside Vail Lake Area, granitic ridge at S end of Black Hills S of Big Oak Mtn. 732 Comment
  RSA336172  Deschampsia danthonioides R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 52003 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA617828  Deschampsia danthonioides R. E. Riefner 1998-4-22 98 -290 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  UCR85536  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  JOTR16636  Descurainia pinnata Moore, Sue 1968-3-13 s.n. Riverside Joshua Tree National Park. 1341 Comment
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Aug 7 2014
  UC1536927  Descurainia pinnata Gordon H. True Jr. 1935-2-22 13 Riverside Gavilan Hills 609 Comment
  UCR97457  Descurainia pinnata John Wear, N. Moorhatch 1997-3-5 s.n. Riverside San Jacinto Mtns, Chino (Tramway) Cyn, both sides of road. 500 Comment
  CAS-BOT-BC43361  Descurainia pinnata subsp. glabra Rateaver 1944-1-17 28 Riverside Vacant lot near Chino Drive, Palm Springs. Comment
  CHSC633  Dicentra chrysantha E. Thomas 1941-5-11 Riverside Elsinore. 396 Comment
  RSA613449  Dichelostemma capitatum subsp. capitatum Darin L. Banks, Victor Steinmann 1997-3-13 1443 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA70375  Dichelostemma capitatum subsp. pauciflorum F. W. Peirson 1919-4-12 s.n. Riverside Tahquitz canyon near Palm Springs. Comment
  CLARK-A1528-12  Dichelostemma pulchellum C. M. Flanagan 1973-5-20 OO 505 Riverside Morongo Indian Reservation 1188 Comment
  CDA4516  Dicoria canescens L. C. Cordill 1962-11-2 Riverside Northwest corner of Sunrise Way & McCallum Way, Palm Springs. 0 Comment
  RSA431199  Dicoria canescens J. C. Roos 1957-11-30 6659 Riverside 6 mi NW of Thousand Palms. 152 Comment
  SD255089  Dicoria canescens Duncan S. Bell 2010-10-23 1991 Riverside East side of Arica Mountains; west side of Rice Valley; abaout 3 air miles south of the ghost stown of Rice. 227 Comment
  RSA9753  Dicoria canescens L. C. Wheeler 1933-3-1 2287 Riverside 2 miles E Cabazon, San Gorgonio Pass. 640 Comment
  SFV7078  Dieteria canescens var. canescens T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 778 Riverside Bottomlands of Colorado River along Agnes Wilson Road. About 1.5 miles east of U.S. Highway 95. 102 Comment
  SJSU7699  Diplacus bigelovii R. C. McGehee 1970-3-5 137 Riverside Corn Springs Campground, 18 mi SE of desert Center Comment
  RSA0019415  Diplacus fremontii Noel Holmgren, Liew Fah Seong 1969-6-17 3580 Riverside San Jacinto Mountains, county road R1, at Black Mountain turnoff, 8.5 miles north of Idyllwild. Comment
  RSA0018428  Diplacus longiflorus var. calycinus Carl B. Wolf 1932-5-24 3657 Riverside 1 mi. above the Fish Hatchery. Snow Creek, No. base San Jacinto Mountains. 793 Comment
  SBBG120958  Dipsacus sativus K. Cambell 2006-6-15 Riverside Temecula, NW corner of Moraga Rd and Rancho California Rd 335 Comment
  UCR133653  Distichlis spicata John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA682077  Ditaxis lanceolata Scott D. White, Michael Honer 2003-4-30 9133 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  RSA792572  Ditaxis lanceolata Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 148 Riverside Graham Pass Rd. in the Chuckwalla Mtns. ~1 mi. north of Graham Pass. 421 Comment
  SEINET3004975  Ditaxis lanceolata G. Rink 2011-3-30 10401 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  SFV6296  Ditaxis lanceolata T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 59 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Sandy wash. Comment
  UCR198200  Ditaxis lanceolata Michael Honer, L. Hulse 2004-4-3 1908 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  UCSB3580  Ditaxis lanceolata Haller, John 1960-4-2 Riverside North base of Orocopia Mtns., 1.3 miles south of the junction of U.S. 60-70 and the south entrance road to Joshua Tree National Monument 487 Comment
  JOTR30266  Ditaxis neomexicana Leary, Pat, Ed Rossick 1987-5-16 3824 Riverside Joshua Tree National Park. Hexie Mountains, Porcupine Wash, 5m from Ruby Lee Mine trailhead, T4S R11E sec1 (unsurveyed) [UTMs estimated, January 2010] Comment
  JOTR35376  Ditaxis neomexicana Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 165 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  UC604847  Ditaxis neomexicana Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9517 Riverside 19 mi. from Cottonwood Springs (n. edge Pinto Basin); n. edge Pinto Basin Comment
  CAS-BOT-BC43644  Dithyrea californica S. B. Parish 1896-4-4 4107 Riverside Palm Springs, (Agua Caliente) desert base of San Jacinto Mountain. 213 Comment
  CAS-BOT-BC43648  Dithyrea californica Lewis S. Rose 1936-12-29 36842 Riverside La Quinta, Colorado Desert. 0 Comment
  RSA155552  Dithyrea californica L. S. Rose 1962-3-2 62003 Riverside La Quinta 3 Comment
  UC472687  Dithyrea californica M. F. Spencer 1918-3-28 Riverside near Palm Springs; Colorado Desert 100 Comment
  UCR33814  Dithyrea californica Faulkner 1978-3-20 331 Riverside Sonoran (Colorado) Desert, near Big Maria Mtns., 1 mi west of Colorado River. 152 Comment
  UCR281563  Dodecahema leptoceras Mitch Provance, Matt K. Beyers 2017-6-8 617- 80 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. 366 Comment
  SBBG58452  Dodecatheon alpinum M. Lewis 1947-8-26 8 Riverside Wellman's Cienega SE slope San Jacinto Mtns Comment
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Feb 18 2013
  CAS-BOT-BC41636  Draba corrugata var. saxosa A. Davidson 1896-7-1 s.n. Riverside Summit of San Jacinto Mountain. Comment
  SD67923  Draba corrugata var. saxosa Reid Moran 1968-8-3 15358 Riverside north slope, ridge 1 mile NW of Toro Peak 2250 Comment
  UC10471  Draba corrugata var. saxosa H. M. Hall July 1901 2499 Riverside along creeks of Tamarack Valley San Jacinto Mountains, Tamarack Valley 2743 Comment
  UC219559  Draba corrugata var. saxosa P. A. Munz 1922-7-6 6021 Riverside bet Hidden Lake and Round Valley (San Jacinto Mts.); , bet Hidden Lake and Round Valley 2560 Comment
  RSA703471  Draba cuneifolia var. integrifolia LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1414 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33 deg 37'32N, 115 deg 19'35W: UTM 3721895N, 655238E to 33 deg 36'52N, 115 deg 19'54: UTM 3720669N, 654757E. 480 Comment
  RSA33532  Drymocallis glandulosa N. C. Cooper 1944-6-17 1377 Riverside Above Banning. 1067 Comment
  POM366541  Drymocallis glandulosa var. viscida H. E. Hasse 1894-7-4 s.n. Riverside [Unspecified] Comment
  UC12559  Drymocallis lactea var. lactea H. M. Hall July 1901 2400 Riverside in meadows or along creeks Tamarack Valley; San Jacinto Mountains, Tamarack Valley 2804 Comment
  UCR201437  Dudleya abramsii subsp. abramsii Scott D. White, Justin M. Wood 2008-6-17 12192 Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
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May 21 2011
  RSA217837  Dudleya edulis C. W. Tilforth 1978-8-17 s.n. Riverside 1.9 mi. W of Murrieta along Murrieta-De Luz Rd. Comment
  RSA674956  Dudleya edulis Scott D. White, Teresa Salvato 2001-6-8 8564 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  RSA397786  Dudleya lanceolata Christopher Davidson 1977-5-25 5658 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  JEPS49889  Dudleya saxosa subsp. aloides W. L. Jepson 1914-5-18 6011 Riverside n Indio (Lookout Mtn near Pinon Well); Colorado Desert Comment
  RSA26376  Dudleya saxosa subsp. aloides Reid V. Moran 1941-5-3 4834 Riverside Whitewater, near Banning, Calif 300 Comment
  SBBG95086  Dudleya saxosa subsp. saxosa B. Gaut 1989-5-25 Riverside N fork of the San Jacinto River where it crosses Hwy 74, E of Hemet 609 Comment
  UCR6147  Echinochloa crus-galli C. M. Bringle, O. F. Clarke, et al. 1967-5-18 s.n. Riverside Santa Ana River bottom. Along banks of river behind Herrs' residence, 5453 Grassy Trails Drive. Taking path leading from pasture behind house, turn right at first fork and proceed along riverbank 229 Comment
  VVC2322  Echinochloa crus-galli Tim Thomas 2011-10-17 5521 Riverside Sonoran Desert, Ford Dry Lake off ramp just N of I 10 in drainge channel at edge of Lake. 108 Comment
  RSA737045  Echinochloa oryzicola Scott D. White, Justin M. Wood 2008-9-17 12538 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  SDSU17678  Ehrharta longiflora Jerry Jenkins 2001-4-2 2001 -051 Riverside West of S.M. River, UTM zone 6, 481900E, 3699850N. Comment
  UCR25867  Elatine brachysperma John C. Roos 1952-4-16 5539 Riverside Edgemont, near Box Springs 488 Comment
  RSA206504  Eleocharis acicularis E. W. Lathrop 1969-5-29 7080 Riverside 8 miles west of Murrieta, Trail between Tenja Road and Los Alamos Canyon. Comment
  SD237240  Eleocharis macrostachya D. E. Bramlet 1992-4-3 2207 Riverside Perris-Anguanga Basin Region: 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave and Marvin Hull Road and c. 300 m west of the MWD Canal. 452 Comment
  UC1809  Eleocharis macrostachya H. M. Hall 1901-7 2489 Riverside Lake Surprise San Jacinto Mountains 2499 Comment
  UCR266472  Eleocharis macrostachya Mitch Provance, Robin Kinmont 2015-3-27 315- 49 Riverside Perris-Aguanga Basin Region, French Valley, Leon Rd. (unmarked dirt portion), along SCE transmission route between Benton Rd. and Auld Rd. 411 Comment
  UCR67397  Eleocharis macrostachya A. C. Sanders, E. Rey, D. Willick 1991-4-19 10925 Riverside Edgemont area, east of Sycamore Canyon. 0.8 mile west of Hwy I-215, on Eastridge Dr. (=Eucalyptus), just west of Pepsi Plant 466 Comment
  RSA6025  Elymus glaucus subsp. jepsonii C. B. Wolf 1932-8-5 3942 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  UCR83238  Elymus glaucus subsp. jepsonii N. M. Fellows 1983-6-28 s.n. Riverside San Jacinto Mtns, 1/2 mi below Boulder Basin Campground, Black Mountain 2256 Comment
  UCR213878  Elymus hispidus Scott D. White, Justin M. Wood 2008-6-16 12123 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  UCR22186  Elymus triticoides E. W. Lathrop 1960-6-9 4943 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 14 miles west of Murrieta Comment
  JEPS86533  Emmenanthe penduliflora Roy E. Buck 1988-4-1 870 Riverside 7 air km W Lake Elsinore (town) (E-facing slope above CA Hwy 74, near top of grade W of Lake Elsinore, ca 2.0 air km NW of confluence of Harlan Canyon and Johnson Canyon drainages); Elsinore Mountains 780 Comment
  POM17934  Emmenanthe penduliflora P. A. Munz 1923-6-14 7122 Riverside Glen Ivy Trail to Santiago Peak 1067 Comment
  RSA25342  Emmenanthe penduliflora C. L. Hitchcock 1940-4-1 5900 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  RSA585814  Emmenanthe penduliflora D. L. Banks, Steve D. Boyd 1995-5-9 348 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  RSA699653  Emmenanthe penduliflora Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  UC1537546  Emmenanthe penduliflora Gordon H. True Jr. 1935-3-11 65 Riverside Box Springs; Sycamore Canyon 365 Comment
  UC880684  Emmenanthe penduliflora C. L. Hitchcock 1940-4-1 5900 Riverside 1 mi below Cottonwood Springs; Joshua Tree National Monument Comment
  UCR182440  Emmenanthe penduliflora Mitch Provance 2003-5-5 4421 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  POM301791  Encelia actoni J. Cole 1942-5-19 969 Riverside White Tanks, Joshua Tree National Monument. 1280 Comment
  RSA0120006  Encelia actoni Duncan S. Bell, Thomas Stoughton 2016-4-13 9259 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  RSA594004  Encelia actoni D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0936 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
  SD216463  Encelia actoni Jay B. Walker 1995-5-3 1407 Riverside South of Palm Desert along Highway 74, 3 kilometers East of Pinyon Flats Campground. 1200 Comment
  UCD131191  Encelia actoni L. S. Rose 1935-12-23 s.n. Riverside San Jacinto Mountains, above Deep Canyon, Colorado Desert. 914 Comment
  UCR274545  Encelia californica Mitch Provance, Ken Halama 2003-6-15 17061 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  CLARK-A1528-2153  Encelia farinosa Charles S. Papp 1964-5-3 462 Riverside Canyon Crest Comment
  SBBG115966  Encelia farinosa D. W. Kyhos 1965-3-13 65 -111 Riverside ca. 6.2 mi W of jct of Hwy St 78 and US Hwy 60-70, near Blythe Comment
  UC135052  Encelia farinosa C. F. Baker 1903-4-4 4151 Riverside Elsinore Comment
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Feb 2 2013
  UC895509  Encelia farinosa Lewis S. Rose 1938-12-22 38333 Riverside 16 mi sw Cathedral City (Palms to Pines Highway); San Jacinto Mts. 792 Comment
  UCD20082  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -216 Riverside 14.9 miles north of junction of Hwy 95 and Hwy 60-70, on Hwy 95. Comment
  UCR75064  Encelia farinosa A. C. Sanders, E. J. Lawlor 1992-4-4 12129 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SEINET3004980  Encelia farinosa var. phenicodonta G. Rink, M. Baker 2011-4-1 10407 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  SEINET3078303 Image available Encelia farinosa var. phenicodonta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37484 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q) 204 Comment
  RSA0107844  Encelia frutescens Duncan S. Bell, Thomas Stoughton 2010-3-19 582 Riverside West side of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.5 air miles west of Priest Well. 418 Comment
  CLARK-A1528-4991  Encelia virginensis subsp. actonii John C. Roos 1948-4-24 3798 Riverside Whitewater Comment
  RSA383868  Ephedra aspera N. C. Cooper 1949-4-8 3285 Riverside Desert Center. 609 Comment
  UCR246832  Ephedra aspera Jim Andre 2012-3-19 21334 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  LA31385  Ephedra californica Jane Turner; 1959-3-29 C 181 Riverside Morongo Wash Comment
  RSA188721  Ephedra californica H. U. Stauffer, Robert F. Thorne 1964-5-5 5921 Riverside 6.5 km south of Morongo Valley, 4.8 km south of County border. 550 Comment
  SFV17218  Ephedra californica J. W. Dole 1980-11-1 Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  RSA787332  Epilobium adenocaulon var. parishii Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49556 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UCR89318  Epilobium brachycarpum Scott D. White 1995-9-22 s.n. Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  UCR85585  Epilobium campestre Julie A. Greene 1993-5-12 1325 Riverside San Jacinto Valley, San Jacinto Wildlife Area, SE end of visitor center road, east of Davis Road 436 Comment
  SDSU13704  Epilobium canum subsp. canum James C. Dice, J. DeWald 1987-9-28 727 Riverside North side of Temecula Gorge, ca. 4.2 km ENE of Gavilan Mountain. T8S, R3W, northeast 1/4 of northeast 1/4 of section 27. 335 Comment
  CAS-BOT-BC171730  Epilobium canum subsp. latifolium R. J. Kessler 1921-10-1 1938 Riverside San Jacinto Mts. Comment
  CAS-BOT-BC171742  Epilobium canum subsp. latifolium W. R. Dudley 1903-12-27 s.n. Riverside Tahquitz Canyon, near Palm Springs Station Comment
  RSA24175  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-31 9759 Riverside Colorado Desert; Cottonwood Springs, Eagle Mountains. 290 Comment
  UC20067  Epilobium glaberrimum subsp. glaberrimum H. M. Hall 1901-7-3 2377 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1584 Comment
  POM13250  Epilobium pygmaeum P. A. Munz 1922-5-19 5368 Riverside Menifee Valley. 427 Comment
  RSA612920  Equisetum arvense L. C. Wheeler 1931-10-4 214 Riverside San Jacinto Mts. Strawberry valley 1554 Comment
  UCR174619  Equisetum laevigatum Jennifer H. Jones 2006-6-6 407 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  RSA180338  Equisetum telmateia var. braunii E. W. Lathrop 1959-4-2 4445 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range Comment
  RSA450449  Eragrostis cilianensis J. C. Roos 1965-7-7 s.n. Riverside San Jacinto. Comment
  RSA605215  Eragrostis lehmanniana A. C. Sanders, G. Helmkamp, P. J. MacKay 1995-3-12 16023 Riverside Indio, just SW of the Whitewater River Channel at Auto Center Dr. (Hwy 111)., 33 deg 43.3'N, 116 deg 12.3'W -8 Comment
  CAS-BOT-BC213599  Eragrostis mexicana subsp. mexicana J. C. Roos 1965-7-7 s.n. Riverside San Jacinto Comment
  RSA570726  Eremocarpus setiger Steve Boyd, T. S. Ross, J. Travis Columbus 1993-10-23 8194 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  CAS-BOT-BC160054  Eremothera boothii subsp. condensata Javier Penalosa 1963-4-10 2788 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  CAS-BOT-BC160055  Eremothera boothii subsp. condensata Ynez Whilton Winblad 1937-3-16 s.n. Riverside Box Canyon Comment
  UC310589  Eremothera boothii subsp. condensata Philip A. Munz 1926-1-31 9960 Riverside Dos Palmos Spring Colorado Desert Comment
  UC472828  Eremothera boothii subsp. condensata Mary Fiske Spencer 1920-4-13 Riverside pr. Palm Springs; Colorado Desert, Tahquitz Canyon 152 Comment
  CDA37644  Eremothera boothii subsp. desertorum M. S. Wasbauer 1960-3-27 Riverside Shaver Summit. 0 Comment
  CHSC100701  Eremothera refracta Naomi Fraga; Lisa Rojas 2005-2-10 1351 Riverside Colorado Desert; Northeastern Colorado Desert region: Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  JOTR34037  Eremothera refracta La Doux, Tasha, M. Harding 2010-4-7 2920 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  UC1922389  Eremothera refracta Michael Honer with L. Hulse 2004-4-4 1927 Riverside Colorado Desert; Little San Bernardino Mountains Region: SW base of Cottonwood Mtns., near MWD aqueduct, approx. .75 mi. N of I-10. E edge of Pinkham Wash. Comment
  JEPS48796  Eriastrum densifolium Marjorie D. Clary 1932-6-5 926 Riverside Dead Indian Trail west side Colorado Desert, Santa Rosa Mts. Comment
  RSA0105510  Eriastrum densifolium subsp. austromontanum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3610 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  SD234466  Eriastrum densifolium subsp. austromontanum Mark S. Brunell 1993-5-29 123 Riverside San Jacinto Mtns.: Old Banning-Idyllwild Road 0.45 km south of junction with Hwy 243 (the new road to Idyllwild), roadcut along both sides of road. (Beaumont 7.5' Q) 683 Comment
  RSA0105508  Eriastrum densifolium subsp. densifolium N. C. Cooper 1949-6-29 4297 Riverside Palms to Pines Highway [SR 74] 1067 Comment
  UC1143718  Eriastrum diffusum subsp. coachellae P. A. Munz and I. M. Johnston 1922-5-6 5169 Riverside Dry Morongo Wash, Little San Bernardino Mts. Comment
  RSA0119709  Eriastrum diffusum subsp. coachellae H. L. Mason 1952-4-7 14214 Riverside Palm Canyon, Palm Springs. Comment
  JOTR32374  Eriastrum eremicum subsp. eremicum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2485 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  RSA0120082  Eriastrum eremicum subsp. eremicum Verne Grant, Alva Grant 1950-4-9 8835 Riverside Canyon in pass between Whitewater and Morongo Valley, 0.4 miles S of San Bernardino Co. line. Comment
  SEINET14591761  Eriastrum harwoodii N. H. Holmgren, P. K. Holmgren, R. E. Kern 1973-1 6473 Riverside Rice Valley, 3.5 miles SSW of Rice. 244 Comment
  UCR245660  Eriastrum harwoodii Duncan S. Bell 2010-4-2 686 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; c. 2.5 air miles northwest of Priest Well; at the head of the main western drainage for the mountain range 559 Comment
  JEPS69114  Eriastrum sapphirinum W. L. Jepson 1901-5-17 1231 Riverside Riverside 266 Comment
  JEPS69118  Eriastrum sapphirinum C. V. Meyer June 1927 152 Riverside Temecula Comment
  SEINET12320626  Eriastrum sapphirinum C. W. Tilforth, Wisura, W. 1979-1 1900 Riverside Garner Valley at Lake Hemet, Hwy 74 1326 Comment
  CAS-BOT-BC515008  Eriastrum sapphirinum subsp. dasyanthum E. H. Daniels; J. Bates 1932-6-6 s.n. Riverside Alberhill, Temesal Canyon, between Corona and Elsinore 350 Comment
  RSA0122012  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross 1990-5-11 4622 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA0122965  Eriastrum sapphirinum subsp. sapphirinum Steve Boyd, C. Boyd, Kyle A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2271 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UCR204183  Eriastrum sapphirinum subsp. sapphirinum LeRoy Gross, Duncan Bell 2008-9-16 3581 Riverside Peninsular Range; San Jacinto Mountains, west side of Garner Valley, near Hwy 74, c. 0.25 mi north from Ramona trailhead parking area 1365 Comment
  UCR82768  Ericameria cuneata A. C. Sanders, T. Schram 1994-10-6 15785 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  JEPS19256  Ericameria cuneata var. spathulata W. L. Jepson 1914-5-17 5985 Riverside between Twenty-seven Palms and Indio (near Pleasant Valley); Cottonwood Mts. Comment
  RSA696802  Ericameria cuneata var. spathulata J. Russell Bruff 1928-4-2 s.n. Riverside White Tanks Comment
  JOTR31115  Ericameria linearifolia La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2499 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
  UC1118789  Ericameria palmeri var. pachylepis R. St. John 1931-1-20 175 Riverside e of Arlington Mountain; Elsinore Quad. 396 Comment
  UC322979  Ericameria palmeri var. pachylepis H. M. Hall 1927-10-22 12296 Riverside Wildomar Comment
  UCSB9493  Erigeron canadensis Ballard 1954-10-30 Riverside 3 miles south of Chino Men's Reform Institution 198 Comment
  POM4670  Erigeron foliosus H. M. Hall 1901-05 1889 Riverside Eastern base of San Jacinto Mountains, along the borders of the Colorado Desert Comment
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Jul 5 2010
  RSA0104488  Erigeron foliosus Duncan S. Bell 2015-9-30 8667 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UCR262561  Erigeron foliosus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3760 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  RSA683093  Erigeron foliosus var. foliosus Scott D. White, Teresa B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8658 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. 1402 Comment
  UCR199621  Erigeron foliosus var. foliosus Scott D. White 2004-4-26 10243 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR241453  Erigeron sumatrensis A. C. Sanders, Timothy W. Chumley 2013-3-28 40704 Riverside Peninsular Range, Alberhill, between I-15 Fwy and Temescal Canyon Rd., west of Lake St. 378 Comment
  CAS-BOT-BC278488  Eriochloa aristata J. C. Roos 1965-9-26 s.n. Riverside In Indio Comment
  POM263072  Eriochloa aristata J. C. Roos 1937-8-20 477 Riverside Palo Verde Valley, Colorado Desert. Comment
  UCR24000  Eriochloa aristata John C. Roos 1965-9-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio -3 Comment
  UCD65733  Eriochloa contracta J. C. Roos 1963-8-10 Riverside Blythe. Comment
  HSC83016  Eriodictyon crassifolium N. M. Fellows 1985-3-16 106 Riverside Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mi. W of Snow Creek Village 489 Comment
  LA205601  Eriodictyon crassifolium S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  UC496521  Eriogonum apiculatum Philip A. Munz 1932-10-16 12846 Riverside road from Indio to Vandeventer Flat; Santa Rosa Mts. 1158 Comment
  HSC81357  Eriogonum davidsonii Dave Goodward, M. Hamilton 1985-9-29 Riverside San Jacinto Mtns., Pine Cove 1890 Comment
  RSA777721  Eriogonum deflexum var. deflexum Jim Andre, G. L. Clifton 2011-2-22 17415 Riverside Mecca Hills; along Box Canyon Road, 5.5 miles NE of town of Mecca 52 Comment
  JEPS57017  Eriogonum elongatum var. elongatum Mary Beal 1939-10-25 705 Riverside deert side of San Gorgonio Pass Mojave Desert Comment
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Mar 15 2014
  SEINET1909578  Eriogonum fasciculatum A. C. Sanders 2004-1 28392 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft) 1 mi E of Murrieta Rd and 1 mi N of Bundy Canyon Rd, ca 5 miles due south of Sun City 469 Comment
  RSA766112  Eriogonum fasciculatum var. foliolosum Joseph A. Ewan 1930-4-17 2193 Riverside Near mouth of Snow Canyon. 610 Comment
  CAS-BOT-BC250133  Eriogonum fasciculatum var. polifolium Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  JOTR30059  Eriogonum fasciculatum var. polifolium La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1691 Riverside Joshua Tree National Park. Stop #1 = Near Geology Tour rd., N of Malapai Hill 1267 Comment
  LA206795  Eriogonum fasciculatum var. polifolium Norman C. Cooper; 1944-4-8 1080 Riverside Andreas Canyon 304 Comment
  SD90099  Eriogonum fasciculatum var. polifolium Nancy Ryan Zabriskie, Walter Zabriskie 1972-3-28 479 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mts. 609 Comment
  SEINET7048185  Eriogonum fasciculatum var. polifolium Steven R. Hill 2001-5-3 33693 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA766313  Eriogonum gracile Joseph A. Ewan 1928-8-23 1524 Riverside Strawberry Valley. San Jacinto Mtns. 1616 Comment
  UCR178322  Eriogonum gracile T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 618 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR235221  Eriogonum gracile A. C. Sanders, John F. Green 2012-6-1 40238 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  RSA393585  Eriogonum inflatum var. inflatum E. C. Jaeger 1922-4-10 723 Riverside Box Canon 91 Comment
  RSA25324  Eriogonum maculatum C. L. Hitchcock 1940-4-3 5939 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  UC667355  Eriogonum nidularium Annie M. Alexander and Louise Kellogg 1941-5-15 2188 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  UC217840  Eriogonum nudum var. pauciflorum P. A. Munz 5989 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2225 Comment
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Sep 8 2011
  POM13683  Eriogonum parishii P. A. Munz 1922-6-29 5894 Riverside Santa Rosa. 2043 Comment
  SBBG28097  Eriogonum pusillum D. Myrick 1964-4-30 819 Riverside Palms to Pines Hwy (St Hwy 74), 14 mi W of Palm Desert 1219 Comment
  UCSB18462  Eriogonum pusillum Keith, Sheldon 1963-5-5 Riverside State Highway 74; 10.2 miles SW of Palm Desert 883 Comment
  JOTR28938  Eriogonum thomasii La Doux, Tasha 2005-3-30 1174 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA708486  Eriogonum thomasii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10901 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  UCR275143  Eriogonum thomasii David Fraker, Aaron C. Sedgwick 2012-4-4 066 Riverside Sonoran (Colorado) Desert, south of Joshua Tree National Park, north of Hwy I-10 on powerline road, 0.5 mi west of Cottonwood Springs Road 522 Comment
  CAS-BOT-BC262874  Eriogonum thurberi Annie M. Alexander; Louise Kellogg 1941-4-24 2077 Riverside Morongo Valley Gorge of Dry Morongo Creek 640 Comment
  CLARK-A1045-98  Eriogonum thurberi George K. Helmkamp 1977-6-7 Riverside Riverside at the ""falls"" [sand at west base of Mt. Rubidoux]; Riverside West 7.5'Q Comment
  POM47239  Eriogonum thurberi Mary F. Spencer 1920-4-2 s.n. Riverside Palm Springs, Colorado Desert. 122 Comment
  UCR244302  Eriogonum trichopes Jim Andre 2012-4-15 20857 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
  POM122353  Eriogonum wrightii var. membranaceum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  POM259261  Eriogonum wrightii var. membranaceum P. A. Munz 1938-8-14 15384 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2439 Comment
  CAS-BOT-BC261788  Eriogonum wrightii var. nodosum Lewis S. Rose 1935-12-23 35696 Riverside Colorado Desert. Above Deep Canyon, San Jacinto Mts., 22 mi. S. of Cathedral City 914 Comment
  RSA0123177  Eriogonum wrightii var. nodosum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9066 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
  RSA33792  Eriophyllum confertiflorum Norman C. Cooper 1944-6-4 1373 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  RSA342566  Eriophyllum confertiflorum R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54073 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA525428  Eriophyllum confertiflorum Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4537 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UCR154391  Eriophyllum confertiflorum A. C. Sanders, Mike Misenhelter 2005-6-15 30969 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
  CDA29163  Eriophyllum confertiflorum Mike Lahti 2009-5-5 PDR# 1501682 Riverside 0 Comment
  UCR41313  Eriophyllum confertiflorum var. confertiflorum N. M. Fellows, A. C. Sanders 1985-5-7 173 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  CAS-BOT-BC301789  Eriophyllum multicaule Marcus E. Jones 1882-4-25 3173 Riverside San Jacinto Comment
  RSA12919  Eriophyllum multicaule C. B. Wolf 1935-4-7 6309 Riverside 2 mi. SW of Perris. 427 Comment
  RSA395357  Eriophyllum multicaule Steve Boyd 1986-4-22 1741 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  UC1929660  Eriophyllum multicaule Scott D. White, Michael Honer 2003-6-17 9545 Riverside S PERRIS BASIN: Murrieta. Interstate 215 / Clinton Keith interchange. Comment
  RSA651095  Eriophyllum wallacei Harold Lint 1958-5-25 2038 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  SD124900  Eriophyllum wallacei Scott Cantrell 1986-3-28 91 Riverside Desert Hot Springs, near Highway 62 and Indian Ave. 519 Comment
  UC31773  Eriophyllum wallacei H. M. Hall 1901-6-1 2053 Riverside s slopes in the vicinity of Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR133961  Eriophyllum wallacei Mitch Provance, J. S. Ross 1998-3-27 MOR- 942 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  RSA390918  Erodium moschatum Katharine Beers 1929-1 s.n. Riverside Murietta Hot Springs. Comment
  UCSB11776  Erysimum capitatum var. capitatum Creighton, B. 1961-5-6 Riverside 18.8 miles south of Banning on Banning-Idyllwild road, in San Bernardino National Forest, San Jacinto Mountains 1584 Comment
  RSA0022935  Eschscholzia androuxii Robert F. Thorne 1973-3-30 42661 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  CAS-BOT-BC154055  Eschscholzia californica Jun Hu 2000-5-11 22 Riverside San Jacinto Valley: SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  RSA433680  Eschscholzia californica Bonnie C. Templeton 1931-4-23 s.n. Riverside Gavilan Peak. 600 Comment
  RSA525411  Eschscholzia californica Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4519 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UC118513  Eschscholzia californica Charlotte M. Wilder June, 1905 654 Riverside Wilder's Canyon West Riverside, Jurupa Hills Comment
  UC855137  Eschscholzia californica I. W. Clokey, C. B. Clokey, and B. C. Templeton 1930-4-15 4641 Riverside Gavilan Peak 600 Comment
  UCR174083  Eschscholzia californica A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32544 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  UCR2990  Eschscholzia californica David T. Wright 1966-3-19 s.n. Riverside Perris-Aguanga Basin region, 3 mi. north of Perris Comment
  CAS-BOT-BC418699  Eschscholzia glyptosperma N. Aitkenhead 1977-2-2 2189 Riverside ~1 mi. from junction of J.T. Mon Rd & pipeline Comment
  RSA357778  Eschscholzia minutiflora Robert F. Thorne, M. Z. Thorne 1973-3-30 42660 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UCR249659  Eschscholzia minutiflora T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7296 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  RSA0023219  Eschscholzia papastillii Jim Andre, G. L. Clifton 2011-2-22 17459 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca. 219 Comment
  UCD96502  Eschscholzia papastillii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 513 Riverside California. Riverside County: Joshua Tree National Park. 726 Comment
  CAS-BOT-BC419622  Eschscholzia parishii Ynez Whilton Winblad 1937-4-22 s.n. Riverside Box Canyon Comment
  UCR162549  Eucalyptus camaldulensis 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
  UCR192672  Eucalyptus camaldulensis Matt Ritter, Jenn Yost, A. C. Sanders 2007-10-18 322 Riverside University of California, Riverside; Botanic Garden 366 Comment
  UCR72393  Eucalyptus camaldulensis A. C. Sanders 1985-12-28 5967 Riverside Santa Ana River, Hidden Valley Wildlife Refuge, La Sierra section of Riverside. 213 Comment
  UCR69794  Eucalyptus viminalis A. C. Sanders, Chet McGaugh 1991-7-19 11143 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  RSA571314  Eucrypta chrysanthemifolia Steve Boyd, D. L. Banks 1994-4-5 8263 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  UCR137045  Eucrypta chrysanthemifolia A. C. Sanders 2004-5-5 27770 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  POM160074  Eucrypta micrantha E. C. Jaeger 1927-3-23 s.n. Riverside Beal's Wall, Colorado Desert Comment
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Apr 10 2017
  SD137702  Eulobus californicus Darin L. Banks, Steve Boyd 1995-5-3 233 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
  CAS-BOT-BC206921  Euonymus occidentalis C. Epling; Wm. Robison 1935-6-30 s.n. Riverside North Fork San Jacinto River Comment
  UCR16189  Euphorbia albomarginata John M. Spencer 1971-4-16 16 Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument [now Park], 1 mi. north of Cottonwood Spring campground & Ranger Station [via Pinto Basin Rd.] 956 Comment
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Apr 5 2011
  UCR21977  Euphorbia albomarginata Steve Boyd 1980-5-5 206 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  SD260042  Euphorbia eriantha J. Andre 2012-4-11 20777 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep rocky hills and large wash. 729 Comment
  RSA0041945  Euphorbia jaegeri Duncan S. Bell, Loraine Washburn 2014-4-9 6590 Riverside Orocopia Mountains; northeast section of range; approximately 3.75 air miles south of Hayfields Lake. 551 Comment
  UCR115148  Euphorbia maculata Mitch Provance 2000-10-28 2284 B Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR108728  Euphorbia micromera Scott D. White, Sandy Leatherman 1998-4-15 6294 Riverside Sonoran (Colorado) Desert, La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes north of Miles Ave. & west of Washington St., Coachella Valley 43 Comment
  RSA314623  Euphorbia misera R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55410 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  UCR128427  Euphorbia nutans A. C. Sanders 2003-10-17 27353 Riverside San Bernardino Valley Region, Riverside, 3rd St. west of Chicago Ave. 287 Comment
  UCR108486  Euphorbia ocellata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16191 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  POM12970  Euphorbia palmeri P. A. Munz, I. M. Johnston 1922-5-21 5517 Riverside Hemet Valley. 2 miles below Kenworthy, San Jacinto Mts 1402 Comment
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Aug 4 2008
  POM19838  Euphorbia palmeri Mary F. Spencer 1923-6-26 2244 Riverside San Jacinto Mtns. 1524 Comment
  CLARK-A1703-71  Euphorbia polycarpa T. R. Plumb 1964-2-23 Riverside Riverside 426 Comment
  POM184158  Euphorbia polycarpa var. appendiculata M. French Gilman 1932-3-30 2 Riverside Palm Springs. Comment
  RSA524434  Euphorbia spathulata Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4050 Riverside Vail Lake area, summit of Big Oak Mountain at E end 793 Comment
  SEINET10741473  Eustoma exaltatum J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12840 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 a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  RSA721884  Fagonia laevis J. Mark Porter, Orlando Mistretta 2003-6-5 13623 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  UCR245241  Fagonia laevis Jim Andre 2012-3-19 21332 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  SEINET4391062 Image available Ferocactus cylindraceus Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4623 -b Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock 402 Comment
  UCR95455  Festuca arundinacea D. L. Banks, E. H. Banks, J. B. Hedge 1996-6-6 1117 Riverside NW Palomar Mtns, Agua Tibia Mtns: NW foothills of Dorland Mtn; S end of Los Caballos Road, UC Emerson Reserve, SW side of the Water Storage tank. 100 m north of the road jct between main preserve road and the road to the Emersn Cottage 457 Comment
  UCR174343  Festuca microstachys A. C. Sanders 2006-5-19 32384 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
  UCR100166  Festuca myuros Scott D. White 1993-3-3 1086 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR91279  Festuca myuros Scott D. White 1995-4-5 2762 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  UCR25779  Filago californica John C. Roos 1952-4-13 5528 Riverside Peninsular Range, Box Springs Mountains 520 Comment
  UCR274193  Filago californica T. B. Salvato, Gregg Miller 2005-6-7 1435 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
  UCR115351A  Filago depressa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16281 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR175073  Filago gallica Teresa Nieto 2005-5-26 27 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA171368  Forestiera pubescens J. D. Olmsted 1962-5-3 3542 Riverside N of Santa Rosa Indian Reservation. 1372 Comment
  UC454004  Fragaria vesca I. J. Condit 1910-6-24 Riverside Strawberry Valley; San Jacinto Mountains 1524 Comment
  POM230678  Frangula californica subsp. californica I. W. Clokey, E. G. Anderson 1935-8-21 6735 Riverside North of Idlewilde. Hillsides. 1650 Comment
  UCR16326  Frasera parryi K. Stolte 1978-5-28 s.n. Riverside Peninsular Range, Hwy 371 near Anza, by road marker 66-32. 1220 Comment
  RSA614528  Fraxinus velutina A. C. Sanders 1994-10-6 1578 Riverside San Jacinto Mountains (N slope): Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west. 1128 Comment
  RSA221032  Fritillaria biflora E. W. Lathrop 6192 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  SEINET273042  Fritillaria biflora A. C. Sanders 1997-4-3 20166 Riverside Lake Skinner area; N edge of large clay patch adjacent to the Skinner entrance rd. ca 1-2 km NE of Borel. UTM 10km cel 473 Comment
  POM158458  Funastrum cynanchoides var. hartwegii P. A. Munz 1927-5-21 10871 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  POM259736  Funastrum hirtellum E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon branching from Fargo Canon 5 mi. east Indio. 244 Comment
  UCR112980  Gaillardia pulchella Mitch Provance 1998-6-20 754 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  RSA667023  Galium Scott D. White, David E. Bramlet 1999-5-19 7369 Riverside Lake Skinner Area: Ridgetop, north-, west-, and northwest facing slopes of Bachelor Mtn. 549 Comment
  RSA508016  Galium andrewsii subsp. andrewsii Steve D. Boyd, C. Boyd, K. A. Boyd, R. Noyes, L. Arnseth 1988-5-28 2292 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UCR260527  Galium angustifolium T. B. Salvato 2014-5-29 8043 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
  RSA652668  Galium angustifolium C. J. Humphrey, Herbert Humphery, E. T. Bartholomew 1936-6-7 354 Riverside In desert 15 miles north [E?] of Riverside 366 Comment
  RSA607791  Galium angustifolium subsp. angustifolium R. S. Woglum 1941-6-14 3067 Riverside Peninsular Ranges: Santa Rosa Mountains [Riverside/San Diego counties]. Comment
  RSA0011081  Galium angustifolium subsp. angustifolium J. D. Abrams 1901-05 13433 Riverside Elsinore. Comment
  JOTR29244  Galium angustifolium subsp. gracillimum La Doux, Tasha 2005-8-8 1524 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Eureka Peak 1676 Comment
  RSA78314  Galium parishii Philip A. Munz, E. K. Balls 1952-8-21 17974 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  RSA679075  Galium parishii Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1442 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  RSA655211  Galium porrigens Scott D. White 1999-7-9 7536 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road S24.2. 1432 Comment
  UCR271514  Galium porrigens var. tenue T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8348 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  POM9333  Galium stellatum Mary F. Spencer 1920-3-27 745 Riverside Palm Springs. 122 Comment
  CAS-BOT-BC217621  Galium stellatum subsp. stellatum Annie M. Alexander; Louise Kellogg 1941-5-18 2200 Riverside North slope of Eagle Mountains 1066 Comment
  JOTR16841  Galium stellatum var. eremicum Vanderspek & Youse 1976-2-7 4 /19/1964 Riverside Joshua Tree National Park. WILSON CANYON Comment
  RSA666586  Gamochaeta pensylvanica A. C. Sanders 2002-3-20 24895 Riverside Western Colorado Desert: Coachella Valley, city of Palm Springs, around offices of Agua Caliente Band of Cahuilla Indians, 650 E Tahquitz Canyon Way at Calle El Segundo (Palm Springs.) 137 Comment
  POM261678  Garrya flavescens var. pallida W. Pequegnat 1940-12-14 s.n. Riverside Main Divide Truck Trail, near Pleasant Pk. Santa Ana Mts. 1067 Comment
  RSA690934  Gastridium phleoides Scott D. White, Michael Honer 2003-5-27 9414 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  CAS-BOT-BC303578  Geraea canescens Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center Comment
  CLARK-A1656-606  Geraea canescens Lois Ann Scott 1977-12-23 Riverside Thousand Palms Oasis 152 Comment
  JEPS33538  Geraea canescens S. B. Parish 1920-3-26 20008 Riverside near Indian W<e>lls; Colorado Desert Comment
  SD27952  Geraea canescens Carl B. Wolf 1932-4-26 2968 Riverside Colorado Desert, 3 miles east of Mecca on Blythe Road. Comment
  RSA0028449  Geranium dissectum Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55224 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  SEINET7063563  Gilia achilleifolia subsp. multicaulis A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  RSA705182  Gilia angelensis J. Mark Porter, Sarah J. De Groot 2005-3-9 14257 Riverside Along Whitewater Canyon Road, ca. 3 mi N of the intersection with the frontage road of I 10, W of the road on a steep, rocky slope, W of the river. 575 Comment
  SD231367  Gilia angelensis J. Mark Porter, Sara DeGroot 2005-3-9 14257 Riverside Along Whitewater Canyon Road, ca. 3 mi N of the intersection with the frontage road of I-10, W of the road on a steep, rocky slope, W of the river. 575 Comment
  SD247689  Gilia angelensis J. Mark Porter, Lauren E. Machen 1997-2-15 11425 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 miles NE of the Highway 74 exit at Lake Elsinore. 118 Comment
  UC1178638  Gilia angelensis Peter Kamb 1948-5-2 929 Riverside above Banning (n slope of the San Jacinto Mts.); San Jacinto Mts. 1066 Comment
  UCR107387  Gilia angelensis B. G. Pitzer 1997-3-23 2963 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
  RSA507943  Gilia capitata subsp. abrotanifolia Steve Boyd, C. Boyd, Kyle A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2261 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA796519  Gilia capitata subsp. abrotanifolia R. F. Thorne, E. W. Lathrop 1977-5-18 49729 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UC908922  Gilia capitata subsp. abrotanifolia Herbert L. Mason 1926-5-2 3196 Riverside Temecula Valley Comment
  UCR26282  Gilia capitata subsp. abrotanifolia John C. Roos, L. Roos 1952-4-27 5585 Riverside San Timoteo Canyon, south of Redlands 427 Comment
  POM13097  Gilia diegensis P. A. Munz, I. M. Johnston 1922-5-20 5484 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  UCR103549  Gilia latifolia George K. Helmkamp, E. A. Helmkamp 1998-1-17 2533 Riverside Sonoran (Colorado) Desert, Box Canyon, NE of Mecca and 3.5 mi south of Shavers Well. 244 Comment
  SEINET12278786  Gilia latifolia S. B. Parish, Parish, W. F. 1880-1 253 Riverside White Water Rio Comment
  RSA717335  Gilia minor Scott D. White, Jennifer H. Jones 2005-5-24 10913 -B Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 Comment
  RSA0017095  Gilia ochroleuca subsp. exilis Scott D. White 1991-5-13 91 -114 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  UC879805  Gilia ochroleuca subsp. exilis K. Watkins and E. McClintock 1937-4-9 Riverside pasture 1 mi w San Jacinto; w of San Jacinto Comment
  UC908944  Gilia ochroleuca subsp. exilis Carl Meyer June 1927 193 Riverside below Saunder's Meadow; San Jacinto Mts., below Saunder's Meadow 1584 Comment
  UC70078  Gilia scopulorum E. E. Schellenger Apr. 1905 Riverside Santa Maria Mts. Colorado Desert, Santa Maria Mts. Comment
  UCR44363  Gilia sinuata A. C. Sanders 1986-6-1 6559 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  GMDRC9815  Gilia stellata J. M. Andre 2017-3-1 38049 Riverside Chuckwalla Mountains: along powerline road 1.2 mi. SW of Interstate 10 at Eagle Mtn Rd exit 387 Comment
  JOTR32970  Gilia stellata La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2721 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  POM184303  Gilia stellata P. A. Munz 1932-3-14 11988 Riverside Palm Springs. 91 Comment
  RSA0096821  Gilia stellata Duncan S. Bell, Andrew Chambers 2015-3-12 7785 Riverside San Gorgonio Wilderness area; Whitewater Canyon; about 0.75 air miles northeast of Red Dome. 863 Comment
  RSA469626  Gilia stellata Christopher Davidson 1979-4-4 7715 Riverside Orocopia Mountains; Box Canyon on Box Canyon Road, 13.4 miles E of Mecca 488 Comment
  UC68723  Gilia stellata H. M. Hall Apr., 1905 5790 Riverside 10 mi w Indio (Colorado Desert); , w of Indio 30 Comment
  RSA612952  Githopsis diffusa subsp. diffusa D. L. Banks 1997-3-29 1621 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border,, west of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  CLARK-A1045-874  Gnaphalium bicolor George K. Helmkamp 1977-3-5 Riverside Santa Ana Mountains along Riverside-San Diego County Line at start of Interstate Highway 215; ; southern oak woodland; Temecula 7.5'Q Comment
  UCR92316  Gnaphalium californicum Scott D. White 1994-3-29 1933 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  CAS-BOT-BC499166  Gnaphalium palustre Mitch Provance 2011-6-6 17004 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., E to Old 215 Frontage Rd 466 Comment
  JEPS20464  Gnaphalium palustre W. L. Jepson 1903-8-7 2292 Riverside Strawberry Valley San Jacinto Mt., Strawberry Valley 1676 Comment
  RSA613651  Guillenia lasiophylla D. L. Banks, Victor Steinmann 1997-3-13 1468 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
  POM359188  Gutierrezia californica Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  UCR217521  Harpagonella palmeri Rose Cook, Ana Hernandez 2010-4-15 03 Riverside Perris-Aguanga Basin, South of west end of Lake Matthews. 268m south of Cajalco Road, 460 m southeast of Cajalco Road/ La Sierra Avenue intersection 426 Comment
  CAS-BOT-BC309385  Helenium puberulum Mitch Provance 1998-6-20 705 Riverside Jurupa Mountains: Glen Avon Heights, on the N side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR9266  Helianthemum scoparium O. F. Clarke 1969-10-25 s.n. Riverside San Jacinto Mtns, Along Banning- Idyllwild Rd. near the Poppet Flats turnoff 1280 Comment
  OBI16329  Helianthus annuus Lewis S. Rose 1966-12-11 66095 Riverside Palm Springs 152 Comment
  CAS-BOT-BC305710  Helianthus gracilentus H. M. Hall 1902-4-1 2922 Riverside Vicinity of Riverside 365 Comment
  CDA6473  Helianthus gracilentus F. J. Willmarth 1961-5-26 Riverside Along Cherry Ave, north of Cherry Valley, Beaumont District. 0 Comment
  POM360007  Helianthus gracilentus N. C. Cooper 1949-6-29 4301 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  UCD132927  Helianthus petiolaris K. Esau 1935-6-15 s.n. Riverside Hemet Valley. Comment
  UCR150021  Heliotropium curassavicum Scott D. White, Angelia Carey 2004-5-7 10345 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  SBBG101685  Heliotropium curassavicum var. oculatum S. Boyd, T. Ross, D. Zippin, T. Oberbauer 1991-6-14 6332 Riverside Skunk Hollow area, 2 mi E of Murrieta Hot Springs, just W of Second San Diego Aqueduct Comment
  JEPS38323  Hemizonella minima Carl V. Meyer 1929-6-16 761 Riverside slope s Saunder's Meadows; San Jacinto Mts. Comment
  UC489018  Hemizonella minima C. V. Meyer 1929-6-16 761 Riverside Saunder's Meadow San Jacinto Mts. 1706 Comment
  RSA192192  Hemizonia fasciculata E. W. Lathrop 1966-5-15 6313 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA618423  Hemizonia fasciculata D. L. Banks 1997-5-5 1952 Riverside NW Palomar Mountains, Agua Tibia Mountains: Northwestern foothills of Dorland Mountain, along Los Caballos Road, approximately 0.4 m south of Hwy. 79, 150 m north of Anza Road. Along the west side of the road in areas burned by the 1996 Temecula Fire. 390 Comment
  RSA736313  Hemizonia fasciculata Scott D. White, Justin M. Wood 2008-3-25 11781 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UCR155306  Hemizonia fasciculata A. C. Sanders 2005-5-4 29842 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  RSA564049  Hemizonia kelloggii A. C. Sanders 1993-5-17 14063 Riverside Hemet, S side of Florida Ave. (Hwy 74) on the E side of California Ave. 457 Comment
  UCR176181  Hemizonia kelloggii Amber Bruno 2005-6-7 53 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  POM360325  Hemizonia paniculata Clyde Stratton 1943-7-23 s.n. Riverside Riverside Comment
  UCR266357  Hemizonia paniculata D. E. Bramlet 2005-6-28 3884 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  JOTR30115  Hesperocallis undulata La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1682 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  UC68676  Hesperocallis undulata H. M. Hall 1905-4-28 5936 Riverside Colorado Desert, McCoy Wash McCoy Wash; Colorado Desert, McCoy Wash 91 Comment
  CLARK-A1528-4388  Hesperocnide tenella John C. Roos 1937-2-21 1296 Riverside La Sierra Comment
  UCR79212  Hesperolinon micranthum Steve Boyd, T. S. Ross 1992-5-4 7196 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  SDSU11463  Hesperoyucca whipplei James C. Dice, J. D. Tenhunen 1987-9-9 721 Riverside ca. 1.6 km NNW of Royal Oak Ranch. T8S, R3W, northeast 1.4, of northwest 1/4 of section 35. 390 Comment
  UC29095  Heterocodon rariflorum H. M. Hall Jul 1901 Riverside Fuller's Mills Mountains; San Jacinto Mountains 1584 Comment
  CLARK-A1528-3994  Heteromeles arbutifolia John C. Roos, Lucille Roos 1952-6-21 5780 Riverside Reche Canyon 487 Comment
  UCR58685  Heteromeles arbutifolia James C. Dice, Ruth Miller 1987-11-23 754 Riverside Peninsular Range, Santa Margarita Ecological Reserve. Temecula Gorge, N bank of Santa Margarita River, just east of aqueduct crossing 244 Comment
  UCR89900  Heteromeles arbutifolia A. C. Sanders 1995-11-26 17913 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  RSA479911  Heterotheca sessiliflora subsp. echioides Steve Boyd 1987-9-27 2090 Riverside Peninsular Range Temescal Canyon south of Corona; area between confluence of Indian and Horsethief washes and Temescal Creek. 366 Comment
  RSA588842  Heterotheca sessiliflora subsp. echioides D. L. Banks, S. D. Boyd 1995-10-17 0785 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  SBBG98223  Heuchera hirsutissima M. B. Dunkle 1933-7-19 3688 Riverside Tahquitz Pk 2651 Comment
  SD258840  Hilaria rigida Sarah J. De Groot, Duncan S. Bell, LeRoy Gross 2016-2-17 7607 Riverside Santa Rosa Mountains; slide off east side of Martinez Mountain, north of Toro Canyon, south of La Quinta, southwest of Thermal and Coachella. 110 Comment
  UCR98430  Hilaria rigida John Wear, N. Moorhatch 1997-3-20 s.n. Riverside San Jacinto Mtns, S of Chino Canyon, at NW end of Palm Springs 350 Comment
  UCD115106  Hirschfeldia incana K. Esau 1935-6-15 s.n. Riverside location unknown. Comment
  SBBG3331  Hoffmannseggia glauca H. and M. Dearing 1942-4-6 4867 Riverside ca. 1 to 3 mi E of Blythe Comment
  UC406703  Hoffmannseggia glauca Marcus E. Jones, A. M. 1929-9-16 Riverside e of Desert Center Comment
  CLARK-A1528-2785  Hoffmannseggia microphylla John C. Roos 1949-3-19 4108 Riverside Mecca Comment
  SD123998  Hoffmannseggia microphylla C. W. Tilforth 1976-7-21 1221 Riverside Colorado Desert, Painted Canyon NE of Mecca Comment
  RSA191437  Holocarpha virgata subsp. elongata E. W. Lathrop, R. F. Thorne 1967-9-26 6656 Riverside 4 mi. NW of Murietta, 1 mi. W of Santa Rosa Ranch. Comment
  RSA561056  Holodiscus discolor Steve D. Boyd, Tim S. Ross, D. E. Bramlet 1993-5-12 7357 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  CAS-BOT-BC150022  Holodiscus discolor var. discolor Carl V. Meyer 1928-8-27 552 Riverside San Jacinto Peak 3200 Comment
  NY1116474  Hordeum D. K. Christopher 2003-4-6 105 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  SEINET13386937 Image available Hordeum depressum Mitch Provance, Matt Amalong 2015-1 415 -13 Riverside Temecula/Murrieta Region: About 1 mile SW of Winchester, along Leon Rd. in the vicinity of Norma Way and Busby Rd. (Winchester 7.5' Q.) 438 Comment
  UCR193482  Hordeum marinum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35601 Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  UCR117650  Hordeum murinum Scott D. White, M. Jacobsmeyer 1996-4-20 3871 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  UCR176900  Hordeum murinum subsp. leporinum Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Valley, intersection of Stetson Ave. and California Ave., NE of Winchester, WSW of Hemet 457 Comment
  RSA498671  Horkelia clevelandii F. W. Peirson 1924-7-28 5006 Riverside Pine Flats Camp 1799 Comment
  UCR174620  Horkelia cuneata Jennifer H. Jones 2006-6-6 389 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  UCR49238  Hornungia procumbens Steve Boyd 1986-4-2 1622 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA433956  Horsfordia newberryi C. M. Dammers 1936-2-1 s.n. Riverside Canyon behind Coral Reef Ranch, 4 miles west of Coachella Comment
  CAS-BOT-BC312589  Hulsea vestita subsp. callicarpha H. E. McMinn 1925-7-2 1509 Riverside Tahquitz Peak trail from Idyllwild-San Jacinto Mts. Comment
  POM360712  Hulsea vestita subsp. callicarpha Christopher Davidson 1978-6-15 7393 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  RSA335008  Hydrocotyle ranunculoides Steve Boyd 1985-8-7 1107 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
  UC219234  Hydrocotyle umbellata P. A. Munz and I. M. Johnston 1922-5-7 5283 Riverside Little San Bernardino Mts., Covington Ranch 762 Comment
  RSA643330  Hymenoclea salsola R. D. Goeden, D. W. Ricker 1974-3-1 s.n. Riverside Colorado Desert: Desert Center 305 Comment
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Apr 5 2011
  RSA784950  Hymenoclea salsola Duncan S. Bell 2012-2-12 3108 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  CAS-BOT-BC312628  Hymenopappus filifolius var. lugens H. M. Hall 1899-5-25 11781 Riverside Western borders of the Colorado Desert. Coyote Canyon 1524 Comment
  UCR18648  Hymenopappus filifolius var. lugens Frank C. Vasek 1973-6-8 730608- 12 Riverside Santa Rosa Mtns, 1 mi above Garnet Queen Creek, at large curve in road 2073 Comment
  JOTR32358  Hymenoxys cooperi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2473 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  UC667320  Hymenoxys cooperi Annie M. Alexander and Louise Kellogg 1941-5-4 2116 Riverside sandy flat near edge reservoir; Joshua Tree National Monument, Barker Dam 1325 Comment
  UC570561  Hymenoxys odorata Frank W. Peirson 1935-4-17 11468 Riverside 20 mi s Blythe Comment
  POM19804  Hypericum androsaemum Mary F. Spencer 1923-8-8 2186 Riverside Idyllwild Comment
  RSA191410  Hypericum formosum var. scouleri E. W. Lathrop, R. F. Thorne 1967-9-26 6620 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  CAS-BOT-BC219774  Hyptis emoryi D. E. Breedlove 1962-3-11 1884 Riverside On rocky bank of Cat Creek, 3 miles southwest of Palm Desert 426 Comment
  CAS-BOT-BC219775  Hyptis emoryi L. S. Rose 1946-12-27 46308 Riverside Dead Indian Creek Wash, Palms-to-Pines Highway, 7 miles southwest of Indian Wells 274 Comment
  RSA134882  Hyptis emoryi L. S. Rose 1959-1-8 59000 Riverside La Quinta. 30 Comment
  RSA420155  Hyptis emoryi Ora M. Clark 1929-3-17 1727 Riverside Palm Springs. Comment
  RSA83467  Hyptis emoryi F. W. Peirson 1919-4-13 1078 Riverside first canyon east of Palm Canyon, Palm Springs region. Comment
  SEINET3004987  Hyptis emoryi G. Rink, M. Baker 2011-4-2 10414 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  UCR140945  Hyptis emoryi June Latting 1973-4-14 s.n. Riverside Sonoran (Colorado) Desert, south entrance to Joshua Tree National [Park] Monument, alluvial slopes south of Cottonwood Mtns. 579 Comment
  UCSB44874  Hyptis emoryi Collins, Elizabeth 1977-3-29 Riverside East of N. Palm Springs, 2.5 miles up Thousand Palms Cyn. Rd. from Dillion Rd 91 Comment
  UCSB5693  Hyptis emoryi Haller, John 1960-4-2 Riverside Lower slopes of Orocopia Mountains 1.5 mi S of the junc. of U.S. 60-70 and the S entrance road to Joshua Tree Natl. Mon. 579 Comment
  CDA6090  Ipomoea triloba T. C. Fuller 1962-10-2 9691 Riverside South of Avenue 60, 0.2 mile east of Jackson Street, ca. 6 miles south of Indio. 0 Comment
  RSA1911  Isocoma acradenia var. eremophila B. D. Stark 1930-4-1 1495 Riverside San Gorgonio Pass. 457 Comment
  SDSU13639  Isolepis cernua var. cernua W. Miller, C. Mosse 1972-7-21 Riverside South of camp. Comment
  UC68545  Isomeris arborea H. M. Hall Apr 1905 6005 Riverside Cottonwood Pass; Colorado Desert 609 Comment
  UCR279366  Isomeris arborea A. C. Sanders, Jim Malusa 2017-3-24 42967 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  CHSC35206  Isomeris arborea var. arborea James Henrickson 1973-3-18 8610 b Riverside Ca. 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger, at N end of Coyote Canyon Road, on the first steep grade down to canyon. 792 Comment
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Apr 6 2013
  UCR136159  Iva axillaris A. C. Sanders 2004-6-20 28213 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  JOTR30830  Ivesia saxosa Andre, Jim, Tasha La Doux 2008-9-16 10702 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  RSA0011069  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37148 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
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Oct 21 2019
  UCD110257  Juglans californica Robert F. Thorne; Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60641 Riverside Santa Rosa Plateau: Santa Rosa Ranch headquarters. 563 Comment
  UCR139644  Juglans californica A. C. Sanders 2004-6-30 28395 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
  UCR189780  Juglans californica var. californica Amy Rowland 2007-8-31 103 Riverside Peninsular Ranges, Perris-Aguanga basin, Off Rawson Rd in parcel 31 of Lake Skinner Reserve 501 Comment
  SEINET3245947  Juglans regia A. C. Sanders, R. E. Riefner Jr. 2009-1 37146 Riverside Peninsular Range: Riverside, CUR campus by West Campus Drive near The Barn (Riverside East 7.5') 320 Comment
  SEINET10472539  Juncus David B. Dunn 1946-8-17 Dunn 2687 Riverside Grass; near stream at camp in taquity valley damp meadow area. San jacinto Mountains 2438 Comment
  UC146453  Juncus acutus subsp. leopoldii H. M. Hall May 1905 5978 Riverside Chuckawalla Springs Colorado Desert Comment
  CLARK-A1528-18  Juncus bufonius C. M. Flanagan 1973-5-22 OO 901 Riverside Santa Ana River Comment
  UCR100779B  Juncus bufonius var. bufonius Robert Noll 1998-6-17 s.n. Riverside Murrieta area, De Portola Road near Lake Skinner 400 Comment
  SEINET11789580  Juncus effusus M. F. Spencer 1921-1 11 Riverside Saboba Hot Springs, San Jacinto Mountains Comment
  SD232134  Juncus effusus var. exiguus Scott D. White, Justin M. Wood 2008-7-10 12451 Riverside San Jacinto Mountains: Forbes Spring. 1500 Comment
  UCR201446  Juncus effusus var. exiguus Scott D. White, Justin M. Wood 2008-7-10 12451 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  RSA368166  Juncus macrophyllus M. B. Dunkle 1933-7-19 3667 Riverside Strawberry Valley. San Jacinto Mountains. 1707 Comment
  UCR202582  Juncus macrophyllus Scott D. White, Justin M. Wood 2008-7-8 12381 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  UCR139158  Juncus mexicanus S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., southwestern end of Juan Diego Flat, NW of Cahuilla Mountain 1220 Comment
  UC489202  Juncus phaeocephalus var. paniculatus C. V. Meyer 1928-7-27 559 Riverside Round Valley San Jacinto Mt. 2773 Comment
  RSA0103092  Juncus rugulosus Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8548 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UCR109759  Juncus rugulosus T. W. Fisher 1964-7-22 s.n. Riverside San Jacinto Mtns., Strawberry Creek at Hwy 74 899 Comment
  SD187309  Juncus textilis Scott D. White, Angelia Carey 2004-5-7 10349 Riverside San Jacinto Mountain foorhills: Indian Creek and adjacent foothills. 548 Comment
  RSA543621  Juncus tiehmii Steve Boyd 1991-5-7 6156 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UC1495750  Juncus tiehmii Barbara Ertter and Jeffrey L. Strachan 1980-5-21 3481 Riverside ca 2 mi s Hwy. 74 (Pines to Palms Hwy.) (Santa Rosa Mtn rd (Forest Rd 7S02)) 1584 Comment
  UCR93082  Juncus xiphioides A. C. Sanders, S. Ogg 1994-7-28 15176 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UC1280801  Juniperus californica H. E. McMinn 1937-3-5 4489 Riverside approaching Cottonwood Mountains from Pinto Basin Comment
  CAS-BOT-BC234571  Justicia californica Mrs. Jos Clemens 1922-4-10 s.n. Riverside Mecca Comment
  JEPS9188  Justicia californica John Thomas Howell 1928-1-30 3306 Riverside 2 mi. e. Shaver's Well; Colorado Desert Comment
  UC972195  Justicia californica Alice Yates and Jas. E. Wilcox 1952-4-5 29 Riverside between Box Canyon and Smoke Tree Nat'l Monument 152 Comment
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Aug 21 2007
  UCSB6232  Justicia californica Haller, John 1960-4-2 Riverside North side of U.S. 60-70 miles W. of the south enterance road to Joshua Tree National Monument about 22 miles east of Indio 487 Comment
  RSA727638  Kalanchoe tubiflora A. C. Sanders 2007-1-12 33276 Riverside Riverside; UCR campus, weed in UCR Botanical Garden cactus garden 351 Comment
  RSA778322  Kallstroemia californica Amber Swanson, Linda Jean Foster 2011-10-8 632 Riverside Sandy flats N off of Blythe Rice Rd. 237 Comment
  CHSC20913  Keckiella antirrhinoides Robert A. Schlising 1972-3-11 3012 Riverside Santa Ana Mountains southwest of Corona, in large marsh near margin of Cleveland National Forest. Comment
  JEPS23552  Keckiella antirrhinoides Peter H. Raven 1958-5-17 12934 Riverside 3.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  RSA601085  Keckiella antirrhinoides A. C. Sanders, J. Goetzen 1996-5-1 18123 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk., N of Banning. [UTM 10 km cell: NH-1E, 5N. Banning.] 792 Comment
  UC1537425  Keckiella antirrhinoides Gordon H. True Jr. 1935-3-13 97 Riverside Mockingbird Canyon 457 Comment
  UCR174045  Keckiella antirrhinoides A. C. Sanders 2006-5-19 32448 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SEINET7048170  Keckiella antirrhinoides var. microphylla Steven R. Hill 2001-5-3 33676 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
  SEINET3224413  Keckiella cordifolia G. Goodwin 2012-6-15 3467 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  POM11201  Keckiella rothrockii subsp. jacintensis Philip A. Munz 1922-7-6 6027 Riverside Between Tahquitz Valley and Round Valley. 2287 Comment
  UC729831  Keckiella rothrockii var. jacintensis Carl B. Wolf 1932-8-5 Riverside trail from Idyllwild to Tahquitz Valley; San Jacinto Mts., Summit of Devil's Slide 2438 Comment
  RSA263652  Keckiella ternata subsp. ternata E. W. Lathrop 1977-4-20 7610 Riverside 4 mi. west of Corona between Tin mine Canyon and Santiago Peak, Skyline Drive. Comment
  RSA735943  Kochia scoparia Scott D. White, Justin Wood 2008-6-13 12104 Riverside San Timoteo Canyon, near El Casco Lake (private pond) E of the road. 579 Comment
  UCR119420  Kochia scoparia Mitch Provance 1998-6-20 710 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  RSA585503  Koeleria macrantha D. L. Banks, Steve Boyd 1995-5-9 0364 B 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
  UCR132930  Koeleria macrantha 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
  UCR96423  Koeleria macrantha Scott D. White 1996-8-1 4434 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  LA45680  Krameria bicolor Virginia Mars; 1951-5-27 sn Riverside San Jacinto Mountains, Highway 74, desert at base of mountains Comment
  RSA697950  Krameria canescens J. R. Bruff 1928-4-1 81 Riverside Whitewater Comment
  CLARK-A1528-3028  Krameria grayi Lawrence F. LaPre' 1969-5-11 44 Riverside Little San Bernardino Mountains Comment
  RSA0040096  Krameria grayi Duncan S. Bell, Deidre Conocchioli 2014-3-18 6256 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  RSA795938  Krameria grayi Duncan S. Bell 2009-4-18 258 Riverside Arica Mountains: southeast side of range, approximately 0.5 air mile southwest of Priests Well. 311 Comment
  UC64185  Krameria grayi H. M. Hall May 17 1901-Jun 1 1901 1877 Riverside near Palm Canyon; near Palm Canyon 914 Comment
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Apr 11 2011
  UC667367  Krameria grayi Annie M. Alexander and Louise Kellogg 1941-5-20 2207 Riverside Eagle Mountains Eagle Mountain Pumping Station Road; Colorado Desert, Eagle Mountains 457 Comment
  RSA192095  Lactuca serriola H. A. Zuill 1966-7-26 300 Riverside About 7.5 miles SW of Murrieta. Comment
  UC87469  Laennecia coulteri T. S. Brandegee 1901-3-28 Riverside Indian Wells Colorado Desert, Indian Wells Comment
  UCR20700  Lamarckia aurea A. C. Sanders, Steve Boyd 1980-5-2 1423 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA179516  Lamarckia aurea E. W. Lathrop 1964-5-10 5364 Riverside 10 miles west of Murrieta. 610 Comment
  UCR167415  Langloisia setosissima 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
  RSA0077529  Larrea divaricata G. Wallace 1964-5-23 s.n. Riverside Anza-Borrego Desert. Comment
  CHSC101709  Larrea tridentata Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10447 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert; east side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram station. Comment
  CLARK-A1528-4436  Larrea tridentata John C. Roos 1937-4-18 1354 Riverside Whitewater Comment
  CSUSB321  Larrea tridentata K. S. Gill 1965-4-17 Riverside White Water Canyon- 5 miles north of Highway 60 in Colorado Desert. 609 Comment
  RSA77839  Larrea tridentata F. W. Peirson 1914-04 2027 Riverside Whitewater, Colorado Desert. Comment
  UC1922404  Larrea tridentata Naomi Fraga, Lisa Rojas 2005-2-10 1373 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR148455  Larrea tridentata S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR214295  Larrea tridentata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37474 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
  UCR89566  Larrea tridentata George K. Helmkamp 1994-3-8 41 16 Riverside Western Colorado Desert, SW-facing slope at the junction of [Date] Palm Dr. and Varner Rd., below Edom Hill, 'Indio Hills 152 Comment
  VVC520  Larrea tridentata P. J. MacKay 1975-4-26 s.n. Riverside Peninsular Range, Palm to Pines Hwy, Hwy 74 970 Comment
  POM122104  Lastarriaea coriacea Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  CAS-BOT-BC338909  Lasthenia californica Steve Boyd 1986-5-1 1821 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner Comment
  CAS-BOT-BC353286  Lasthenia coronaria H. M. Hall 1903-4-1 3982 Riverside Vicinity of Riverside 365 Comment
  UC1536903  Lasthenia coronaria G. H. True 1935-3-11 70 Riverside Sycamore Canyon Box springs 365 Comment
  UC30482  Lasthenia coronaria Geo. R. Hall 1901-3-17 1677 Riverside Riverside Comment
  UCR162885  Lasthenia glabrata subsp. coulteri Fred M. Roberts 2005-3-3 6134 Riverside San Jacinto Valley, San Jacinto, south side of Ramona Expressway, 0.6km E jct Warren Rd 447 Comment
  POM5999A  Lasthenia gracilis C. F. Baker 1904-4-4 4086 Riverside Elsinore. Comment
  RSA716421  Lasthenia gracilis Scott D. White 2006-4-27 11307 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR167083  Lasthenia gracilis Scott D. White 2005-3-29 10834 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
  CHSC109279  Lathyrus latifolius Scott D. White; T. salvato, L. DeMarco, J. Christian 2001-6-30 8633 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. Alt: 1402-1646 m. 1524 Comment
  POM1791  Lathyrus vestitus subsp. alefeldii O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  RSA161219  Lathyrus vestitus subsp. alefeldii P. H. Raven 1959-4-23 14016 Riverside 4.1 miles west of Dripping Springs. Comment
  RSA511357  Lathyrus vestitus subsp. alefeldii B. Pitzer, E. Misquez 1988-3-20 665 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 548 Comment
  RSA212921  Layia platyglossa subsp. platyglossa L. B. Ziegler 1969-5-15 s.n. Riverside Hemet Valley, south of Kenworthy Ranger Station. 1372 Comment
  RSA769644  Layia ziegleri Duncan S. Bell, Valentin Arvizu 2010-5-10 978 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  CLARK-A1528-70  Leersia oryzoides John C. Roos, Lucille Roos 1951-10-24 5345 Riverside Riverside 259 Comment
  RSA191401  Lemna minuta E. W. Lathrop, Robert F. Thorne 1967-9-26 6632 Riverside 6 miles NW of Murrieta. Comment
  RSA429965  Lepidium Ora M. Clark 1929-3-17 s.n. Riverside N of La Quinta. Comment
  POM307345  Lepidium fremontii Henry J. Ramsey, Henry J. Ramsey 1939-11-28 1939 Riverside 20 miles E of Indio. Comment
  RSA0048414  Lepidium fremontii N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Spring. Comment
  CAS-BOT-BC89583  Lepidium lasiocarpum D. A. Johansen; J. A. Ewan 1932-4-10 7056 Riverside Along diversion canal at mouth of Tahquitz Canyon. 213 Comment
  RSA429924  Lepidium lasiocarpum Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA429928  Lepidium lasiocarpum Martha Hilend 1928-3-11 s 101 Riverside Morongo Pass, Colorado Desert region. Comment
  UCR279322  Lepidium lasiocarpum A. C. Sanders, Jim Malusa 2017-3-23 42906 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UCD115683  Lepidium lasiocarpum subsp. lasiocarpum G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2714 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Checkwalla Rd. on Graham Pass Rd. Comment
  CAS-BOT-BC89754  Lepidium latipes A. C. Sanders; K. C. Rose 1998-5-21 21865 Riverside Hemet. Flats west of town, east of the canal, south of Highway 74 (Florida) and ca. 0.25 mile west of Warren Road. 457 Comment
  RSA734993  Lepidium nitidum Justin M. Wood 2008-2-4 3 Riverside Liberty Quarry, W. of 15 freeway near the Rainbow exit. 366 Comment
  UCR173873  Lepidium nitidum Scott D. White 2001-3-13 8162 Riverside Peninsular Ranges/ Perris-Aguanga Basin, Menifee/Sun City area: valleys and slopes east of Canyon Lake and west of Goetz Rd 518 Comment
  RSA585639  Lepidium nitidum var. nitidum D. L. Banks, S. D. Boyd 1995-3-15 74 Riverside NW Palomar Mtns, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn, Dorland Mtn area. 790 Comment
  SDSU18382  Lepidium nitidum var. nitidum C. Matt Guilliams 2008-2-21 459 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 418 Comment
  UCR281099  Lepidium ramosissimum Mitch Provance, Jeremiah George 2017-3-21 317- 03 Riverside Elsinore Trough, City of Lake Elsinore, E corner of Collier Ave. and 3rd St. 387 Comment
  RSA562147  Lepidium virginicum D. Charlton 1988-5-21 1926 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1829 Comment
  UCR242674  Lepidium virginicum subsp. menziesii A. C. Sanders 2013-7-6 40839 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  CAS-BOT-BC60106  Lepidium virginicum var. menziesii Frank W. Peirson 1922-5-21 3031 Riverside San Jacinto Mountains. Hemet Valley. 1356 Comment
  CAS-BOT-BC60107  Lepidium virginicum var. menziesii Mary F. Spencer 1919-6-18 1327 Riverside San Jacinto Mountains. 1615 Comment
  POM10276  Lepidium virginicum var. robinsonii Charlotte M. Wilder 1904-3-20 s.n. Riverside Wilder s Canyon Comment
  RSA613889  Lepidium virginicum var. robinsonii A. C. Sanders 1997-3-1 19715 Riverside Box Springs Mtns.: Coyote Hill (Bench Mark ''Versity'', 1386 ft.) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  CAS-BOT-BC329441  Lepidospartum squamatum Lewis S. Rose 1938-12-20 38331 Riverside Whitewater Wash, 3 mi SE of Palm Springs Station 274 Comment
  RSA151190  Lepidospartum squamatum Peter H. Raven 1961-10-8 16841 Riverside Whitewater Wash along Snow Creek road near State Hwy 111. 351 Comment
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Mar 29 2014
  UCR2516  Leptochloa uninervia F. M. Reed 1933-11-10 8312 Riverside Corona 305 Comment
  POM364530  Leptosiphon ciliatus N. C. Cooper 1944-7-16 1559 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  SD133039  Leptosiphon floribundus subsp. glaber Scott White 1991-5-13 91 88 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  POM13844  Leptosiphon lemmonii P. A. Munz 1922-4-28 5033 Riverside Temescal Canyon. Comment
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Apr 3 2011
  SFV7333  Leptosyne californica T. Gordon, K. Kimbrough 1975-3-16 850 Riverside 10 miles south of Corona. Open fields adjacent to Highway 71. 365 Comment
  UC1287162  Lesquerella tenella C. L. Hitchcock 1966-3-20 24309 Riverside along road to Blythe about 30 mi n Ogilby Comment
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Mar 2 2013
  RSA125202  Lessingia glandulifera var. glandulifera E. K. Balls, P. C. Everett 1957-8-20 22678 Riverside Along State Hwy. 74, SE of Hemet Reservoir, S end San Jacinto Mountains. 1357 Comment
  SD48365  Lessingia glandulifera var. glandulifera E. K. Balls, P. C. Everett 1957-8-20 22678 Riverside Along State Highway 74, southeast of Hemet Reservoir, south end San Jacinto Mountains. 1355 Comment
  RSA599107  Leymus condensatus V. W. Steinmann 1996-4-13 832 Riverside East of Route 15, east of Temescal Canyon Road, northwest of junction with India Truck Trail 350 Comment
  RSA703626  Leymus condensatus Scott D. White, Angelia Carey 2004-9-16 10749 Riverside Along Poppet Creek NE of San Jacinto River. Along open sandy dry wash and adjacent roadside. 561 Comment
  RSA735985  Leymus condensatus Scott D. White, Justin M. Wood 2008-5-29 12041 Riverside West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 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
  RSA357754  Lilaea scilloides Robert F. Thorne 1973-5-23 43841 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  CAS-BOT-BC130874  Lilium parryi Albert M. Vollmer 1950-7-1 s.n. Riverside Stony Creek, San Jacinto Mountains Comment
  CAS-BOT-BC130875  Lilium parryi Mary F. Spencer 1919-7-3 1235 Riverside San Jacinto Mt. 1676 Comment
  UC68745  Linanthus aureus subsp. aureus H. M. Hall May 1905 6001 Riverside Cottonwood Pass Colorado Desert 609 Comment
  UCR225191  Linanthus californicus Steve Boyd, Susan Jett 2008-3-20 11829 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  RSA771116  Linanthus dianthiflorus Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4923 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
  POM364582  Linanthus dianthiflorus subsp. dianthiflorus M. B. Dunkle 1932-3-25 2954 Riverside 4 miles south of Banning. 457 Comment
  RSA525248  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross 1990-5-11 4626 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA73089  Linanthus dianthiflorus subsp. dianthiflorus F. W. Peirson 1922-4-30 2930 Riverside St. John's Grade, Baustista Creek, south of Hemet. 762 Comment
  CLARK-A1528-3475  Linanthus dichotomus John C. Roos 1937-4-17 Riverside Aguanga Comment
  SD258481  Linanthus jonesii J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24383 Riverside West Riverside Mountains at base of NW corner of range where sand ramps run up against granitic bouldery slopes, ca. 10 miles SW of Vidal Jct, 3.0 miles south of Grommet RR xing at Hwy 62. 363 Comment
  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
  UC1537468  Linanthus lemmonii Gordon H. True Jr. 1935-4-11 576 Riverside Gavilan Hills 609 Comment
  UCR116409  Linanthus lemmonii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24180 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  RSA690938  Linanthus liniflorus Scott D. White, Michael Honer 2003-5-27 9406 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  SDSU3164  Linanthus nuttallii subsp. floribundus Stan Mather 1938-5-13 Riverside Lake Elsinore Grade. Comment
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Jul 8 2009
  SBBG64713  Linanthus pungens subsp. hallii R. Hoffmann 1929-9-10 Riverside Tahquitz Pk 2438 Comment
  RSA0010980  Lithophragma affine Justin M. Wood 2009-5-11 680 Riverside Hwy 243 near Ranger Peak, roadside. 1433 Comment
  SDSU13696  Lobularia maritima James C. Dice, Virginia Moran 1987-11-28 759 Riverside South rim of Temecula Gorge, in dirt road near locked gate. T8S, R3W, NE 1/4 of SE 1/4 of Section 27. 305 Comment
  UCSB5123  Loeseliastrum matthewsii Haller, John 1958-3-22 Riverside Highway 60- 70; 11 miles W of Desert Center; 12.8 miles E of Box Canyon Rd. junction, (Calif. 195) Comment
  RSA0014314  Loeseliastrum schottii Justin M. Wood, J. Miner 2010-4-30 1548 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  RSA0026114  Loeseliastrum schottii J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24396 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps 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 run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  RSA77059  Loeseliastrum schottii F. W. Peirson 1914-04 953 Riverside Whitewater at head of Coachella Valley. Comment
  UC1563039  Logfia arizonica Steve Boyd, Tim Ross, and Laurel Arnseth 1989-3-19 3043 Riverside 0.75 mi nw dam (s flank Oak Mountain); Vail Lake area 621 Comment
  UCR85183  Logfia arizonica A. C. Sanders, George K. Helmkamp, P. J. MacKay, et al. 1995-3-19 16163 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
  JOTR33734  Logfia filaginoides La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2734 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
  UCR84846  Logfia filaginoides A. C. Sanders, Karin Cleary-Rose, Denise Woodard 1995-3-15 16127 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  SD137889  Logfia gallica Darin L. Banks, Steve Boyd 1995-5-9 334 Riverside Northwest Palomar Mountains, north of 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. 730 Comment
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Apr 15 2009
  RSA507511  Lolium perenne Steve Myers 1988-6-4 s.n. Riverside Rancho California area, E of Winchester Road, between Auld Rd. & Borel Rd 396 Comment
  UCR22135  Lomatium dasycarpum Steve Boyd 1980-5-22 301 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. east of the trailer park, E side of Gavilan Rd 625 Comment
  JEPS15839  Lomatium lucidum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1484 Riverside Aguanga Comment
  RSA613645  Lomatium lucidum D. L. Banks, Victor Steinmann 1997-3-13 1474 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
  UC1375402  Lomatium mohavense Louis B. Ziegler 1969-5-7 Riverside lower slopes of hills about Hemet Valley, near Kenworthy Ranger Station San Jacinto Mountains 1447 Comment
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Mar 25 2011
  UC1536025  Lomatium utriculatum Robert F. Thorne 1973-5-23 45532 Riverside Santa Rosa Plateau--Mesa de Colorado 609 Comment
  RSA296143  Lonicera interrupta B. A. Prigge 1980-8-18 3967 Riverside San Bernardino Mountains, Whitewater Canyon; 3.5 miles upstream from trout farm. 991 Comment
  CAS-BOT-BC234893  Lonicera subspicata var. denudata Peter H. Raven; R. Snow 1957-7-26 11118 Riverside 2.0 mi. s. of Vista Grande Ranger Station, Banning - Idyllwild road, San Jacinto Mts. Comment
  CHSC8089  Lonicera subspicata var. denudata Edward L. Smith 1958-3-6 350 Riverside Plant located in Coldwater Canyon, Glen Ivy, Calif. On Temescal Canyon Rd. 762 Comment
  RSA180334  Lonicera subspicata var. denudata E. W. Lathrop 1965-5-18 5762 Riverside 8 miles W of Murrieta; hills around 300 ft high. 609 Comment
  RSA613857  Lonicera subspicata var. denudata Scott D. White 1997-2-9 4684 Riverside Peninsular Range Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden. 370 Comment
  SDSU13916  Lonicera subspicata var. denudata Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2155 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, southern end of northern most (narrow) deer grass meadow. 646 Comment
  POM13999  Lotus argophyllus var. argophyllus E. C. Jaeger s.n. Riverside Santa Rosa Mountains, Colorado Desert Comment
  RSA33653  Lotus grandiflorus var. grandiflorus N. C. Cooper 1944-6-17 1392 Riverside San Jacinto Mountain. West side. 1372 Comment
  UCR100025  Lotus hamatus A. C. Sanders, G. Helmkamp 1997-3-15 20000 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  UCR174051  Lotus hamatus A. C. Sanders 2006-5-19 32445 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
  UCR92162  Lotus hamatus D. L. Banks, Peter L. Morrell 1995-5-4 315 Riverside Agua Tibia Mtns., Cleveland National Forest, north of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground at base of hills north of Wildhorse Peak. 537 Comment
  SEINET3696056 Image available Lotus heermannii B. Ertter, J. Strachan 1979-6-26 2988 Riverside Banning-Idyllwild Road at Black Mtn turnoff, San jacinto Mts Comment
  UC15655  Lotus heermannii H. M. Hall 1897-1 Riverside San Jacinto Mountains 1828 Comment
  UCR103179  Lotus humistratus Scott D. White, Julie Greene 1997-3-12 4775 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  POM13627  Lotus nevadensis var. nevadensis E. C. Jaeger 1921-7-1 1047 Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA282916  Lotus nevadensis var. nevadensis C. W. Tilforth, B. Busenberg 1980-6-17 2020 Riverside On slopes south of Toolbox Springs Campground, Thomas Mtn. Road, south of Lake Hemet & west of Highway 74 Comment
  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
  JEPS55766  Lotus purshianus var. purshianus Carl V. Meyer 1928-7-30 588 Riverside Saunders Meadow Comment
  CLARK-A1045-113  Lotus rigidus George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above edge of Deep Canyon; Palm Desert 15'Q Comment
  RSA498788  Lotus rigidus Frances L. Cramer 1941-5-3 s.n. Riverside Joshua Tree National Monument Comment
  SEINET255568 Image available Lotus salsuginosus A. C. Sanders, Seung, Chul Kim, Plant Taxonomy Cla 2005-4-14 29494 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 457 Comment
  CSUSB1267  Lotus scoparius Ray O. Perez 1955-5-5 Riverside shady bank 200 yards east of life science building (UCR campus) Comment
  RSA662127  Lotus scoparius Daniel Curran 1981-2-16 17 Riverside Lake Matthews Drive, 5.8 miles from junction with Cajalco Rd. Comment
  SEINET10970186  Lotus scoparius David B. Dunn 1948-1-25 Dunn 3645 Riverside Found in ravine ne of the top of the grade e of riverside, about 5 mi out. Comment
  UCR214273  Lotus scoparius subsp. brevialatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37744 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  JOTR30250  Lotus scoparius var. brevialatus Leary, C. and Leary, Pat 1979-5-5 2982 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6 Comment
  POM14075  Lotus strigosus P. A. Munz, D. D. Keck 1922-4-14 5000 Riverside East of Whitwater Ranch 213 Comment
  RSA586301  Lotus strigosus D. L. Banks, S. D. Boyd 1995-5-3 0212 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
  RSA660943  Lotus strigosus A. C. Sanders 1998-3-17 21743 Riverside Shipley/Skinner Reserve area; North Domenigoni Hills, S of Hemet 343 Comment
  RSA771670  Lotus strigosus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4898 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
  RSA775811  Lotus strigosus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 891 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UC667365  Lotus strigosus Annie M. Alexander and Louise Kellogg 1941-5-15 2186 a Riverside n slope Eagle Mountains; Colorado Desert 914 Comment
  UCR16275  Lotus strigosus Steven Wickler 1974-4-21 004 Riverside San Jacinto Valley, immediately off of Hemet-San Jacinto offramp, U.S. Hwy 60, 8 mi. east of Riverside 518 Comment
  RSA523473  Lotus strigosus var. strigosus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4033 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR279350  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2017-3-23 42939 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  RSA680556  Lotus wrangelianus Scott D. White, Michael Honer 2003-4-30 9135 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  JEPS48834  Lupinus arizonicus Marjorie D. Clary 1932-3-27 951 Riverside Indio Hills Colorado Desert, Indio Hills Comment
  JEPS48838  Lupinus arizonicus Marjorie D. Clary 1932-5-9 945 Riverside Shavers Well to Desert Center; Shavers Well to Desert Center Comment
  POM349947  Lupinus arizonicus L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain on gravelly hillside Colorado River. Comment
  RSA776643  Lupinus arizonicus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1100 Riverside Alligator ACEC, north side of Chuckwalla Mountains, just south of Desert Center 413 Comment
  RSA788985  Lupinus arizonicus Aaron C. Sedgwick, David Fraker 2012-3-28 21 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  RSA790635  Lupinus arizonicus Aaron C. Sedgwick, David Fraker 2012-4-24 10 Riverside In the Palen Valley south of Power Line Rd. that parallels Hwy. 10 159 Comment
  SD113679  Lupinus arizonicus Darley F. Howe 1949-3-21 1938 Riverside 4 miles east of Mecca. 29 Comment
  UC1595785  Lupinus arizonicus W. Wisura, J. Dolan, M. Wall 1992-3-24 4616 Riverside on Box Canyon Rd. 4.7 mi ne Mecca (Lowdesert); ne of Mecca Comment
  UCR200297  Lupinus arizonicus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11217 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
  UCR241547  Lupinus arizonicus A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40639 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCSB3378  Lupinus arizonicus Beeles, Richard 1952-4-4 Riverside Seven miles north of Mecca, in Box Canyon Comment
  SEINET6180880  Lupinus arizonicus subsp. arizonicus Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6423 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe.; 0 290 Comment
  CLARK-A1656-770  Lupinus bicolor Theo Glenn 1982-3-24 Riverside Snow Creek Comment
  UCD107123  Lupinus bicolor Rimo Bacigalupi; L. Heckard 1962-3-25 8406 Riverside near headwaters of Temescal Wash and Canyon, western base of Estelle Mtn. and just opposite Indian Canyon (from west); 3.3 miles northwest of Alberhill. 335 Comment
  UCR155824  Lupinus bicolor John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA0013625  Lupinus concinnus LeRoy Gross, Duncan S. Bell 2013-4-30 6032 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek., Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  RSA744310  Lupinus concinnus M. Wall 2009-5-15 508 Riverside Bautista Creek, off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 752 Comment
  SBBG47453  Lupinus concinnus N. C. Cooper 1944-6-17 1434 Riverside W side of San Jacinto Mtn 1371 Comment
  UCR160688  Lupinus concinnus John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  UC130311  Lupinus excubitus H. M. Hall 1899-5-24 1375 Riverside s slopes El Toro Mt.; San Jacinto Mountains, s slopes El Toro Mt. 1828 Comment
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Jul 23 2008
  UC597721  Lupinus excubitus var. austromontanus Philip A. Munz 1937-5-30 15140 Riverside Santa Rosa Peak 2407 Comment
  SEINET10543985  Lupinus formosus David B. Dunn, Melvin L. Conrad; Patricia L. Kenney 1973-6-15 Dunn 20769 Riverside Coll at the jct of hwy 74 and 71. A gas station on the sw corner. Area generally chaparral with shaggy adenostema. 1433 Comment
  OBI30168  Lupinus hirsutissimus Iversen 1974-4-27 s.n. Riverside El Cariso Crk Comment
  UCR3708  Lupinus latifolius var. parishii Frank C. Vasek 1964-7-25 640725- 12 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  RSA413800  Lupinus nanus subsp. nanus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  JOTR31222  Lupinus shockleyi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2006 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 3) sand ramps 432 Comment
  JOTR34001  Lupinus sparsiflorus La Doux, Tasha, M. Harding 2010-4-7 2889 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UC56605  Lupinus sparsiflorus H. M. Hall Apr 1902 2903 Riverside Foothills near Coahuilla (Coahuilla); San Jacinto Mountains 762 Comment
  UCR17920  Lupinus sparsiflorus M. J. Arbaugh 1978-5-5 s.n. Riverside Hills south of Botanical Gardens at University of Calif., Riverside. Comment
  RSA49351  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1949-4-11 13015 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  RSA575977  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd 1981-4-8 s.n. Riverside Gavilan Hills region, upper Dawson Canyon, just west of the Gavilan Plateau. 610 Comment
  UCR157955  Lupinus succulentus T. B. Salvato, A. C. Sanders 2005-5-17 916 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
  UCR173149  Lupinus succulentus Abby Sirulnik 2000-4-25 19 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  RSA543168  Lupinus truncatus Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6078 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA736697  Lupinus truncatus Scott D. White 2004-4-26 10253 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UCR22037  Lupinus truncatus Steve Boyd 1980-5-11 241 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  GMDRC3546  Lycium andersonii J. Andre, T. La Doux 2009-2-25 10803 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  JOTR31817  Lycium andersonii La Doux, Tasha, Bill Truesdell 2007-11-9 2523 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; Canyon parallel to and east of Lost Palms Canyon (Stop 5) 651 Comment
  UCR49788  Lycium andersonii D. C. Hawks, Guy Bruyea 1987-4-3 s.n. Riverside Peninsular Range, Gaylord property, NW of Aguanga 550 Comment
  UCR95235  Lycium andersonii D. L. Banks 1996-5-13 1022 Riverside Agua Tibia Mtns, NW Palomar Mtns; Foothills south of Hwy 79; east of Dripping Springs Campground; Approx. 2.1 km east of the Dripping Springs Guard Station, south of the jct between the Vail Lake Marina Road and Hwy 79, just north of the Cleveland National Forest Boundary 473 Comment
  CLARK-A1528-4348  Lycium brevipes John C. Roos 1949-3-19 4105 Riverside Dos Palmas Spring Comment
  UC884612  Lycium cooperi I. W. Clokey 1935-4-17 6880 Riverside Cottonwood Springs Comment
  RSA709802  Lythrum californicum A. C. Sanders 2004-5-12 27890 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCR222294  Lythrum hyssopifolia R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55215 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  UCR121335  Machaeranthera asteroides A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25036 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  RSA362093  Machaeranthera asteroides var. asteroides Donald Myrick 1969-10-20 2127 Riverside Near Mt. San Jacinto College, San Jacinto. 488 Comment
  SD227848  Maclura pomifera A. C. Sanders, K. C. Rose 1999-6-18 22799 Riverside Skinner/Domenigoni area; French Valley, E side of Wawhington Ave., 1/2 mile S of Rawson Rd. (Winchester 7.5'Q). 438 Comment
  RSA180445  Madia gracilis E. W. Lathrop 1965-5-30 5784 Riverside 6 miles west of Murrieta Comment
  RSA0087581  Malacothamnus fasciculatus P. A. Munz 1946-10-19 11570 Riverside 3 miles east of Anza 1220 Comment
  POM11511  Malacothrix californica P. A. Munz 1922-4-7 5974 Riverside Hemet Valley 1372 Comment
  SD112632  Malacothrix clevelandii Darley F. Howe 1946-2-28 1391 Riverside Canyon San Jacinto Mountains Comment
  JOTR35039  Malacothrix glabrata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3492 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  RSA145914  Malacothrix glabrata William McKinley Klein 1958-2-11 32 Riverside 2.6 mi. east of Cabazon on hwy. 70-99 545 Comment
  UC1922420  Malacothrix glabrata Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1425 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  UCR226776  Malacothrix glabrata Jim Andre 2011-2-9 15918 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
  RSA594788  Malacothrix saxatilis var. tenuifolia D. L. Banks, Dylan Hannon 1996-5-3 0983 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric W facing slope, approximately 350 m SE of the Helipad at the upper camp sites. 539 Comment
  RSA16510  Malosma laurina Percy C. Everett 1935-6-17 7148 Riverside Santa Ana Mountains, near Glen Ivy Resort on Coldwater Canyon Trail to Santiago Peak. 457 Comment
  CDA4990  Malva neglecta Scott D. White 1998-6-28 6800 Riverside Coastal Plains and Basins; San Bernadino Basin region; Corona: River Road bridge over the Santa Ana River. Comment
  UCR38238  Malva nicaeensis Steve Boyd 1980-4-23 s.n. Riverside Intersection of Jurupa Road and Galena Road, Glen Avon Comment
  RSA0034091  Malva parviflora Duncan S. Bell 2013-1-30 4450 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  POM10402  Malvella leprosa Charlotte M. Wilder 1904-10 s.n. Riverside Between Elsinore and Corona. Comment
  RSA619793  Malvella leprosa A. C. Sanders, K. C. Rose 1998-9-29 22246 Riverside West edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills. Comment
  SEINET238481  Malvella leprosa A. C. Sanders, Mitch Provance 1999-9-26 23122 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gillman Springs Rd. 1.4 mi. S of Eden 433 Comment
  UCR89825  Malvella leprosa Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA0107797  Mammillaria tetrancistra Duncan S. Bell, Amanda Turek 2009-3-30 174 Riverside Southeast section of the Arica Mountains; approximately 1.25 air miles southwest of Priest Well. 349 Comment
  RSA651081  Marah macrocarpa Diane M. Ramirez 1983-5-15 8 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  RSA652410  Marah macrocarpa Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  UCR232049  Marah macrocarpa John F. Green 2008-4-15 0408- 12 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  SBBG45489  Marina parryi Leota Davidson 1966-4-3 317 Riverside Interstate 10 at Wiley Well turnoff, 30 mi E of Desert Center Comment
  SFV7921  Marina parryi T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1284 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  UCR244922  Marina parryi Jim Andre 2012-3-19 21371 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  RSA96892  Marina parryi E. K. Balls 1954-6-18 19536 Riverside Along U.S Hwy 60-70 near Hayfields. Comment
  POM12433  Marsilea vestita P. A. Munz, I. M. Johnston 1922-5-5 5154 Riverside Mystic Lake, near Moreno. 427 Comment
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Mar 20 2011
  UCR113631  Marsilea vestita June Latting 1978-6-4 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, Mesa de Burro 610 Comment
  RSA753475  Matricaria discoidea Scott D. White, Justin M. Wood 2009-5-21 12854 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  SDSU18641  Matricaria discoidea C. Matt Guilliams, Jeannine Ross 2008-3-12 527 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  SEINET5560804  Matricaria matricarioides H. S. Gentry, Bruce Gentry 1973-1 23191 Riverside Gentry Ranch, 3.5 miles NE of Murrieta. 396 Comment
  UCR17807  Medicago minima O. F. Clarke 1973-4-6 s.n. Riverside San Jacinto Mtns, Juaro Canyon, lower west side of the mountains near Soboba Hot Springs 549 Comment
  SEINET273062  Medicago polymorpha A. C. Sanders 1997-3-19 20057 Riverside Lake Skinner area; Upper Rawson Cyn W of Black Mtn along the rd from Lk. Skinner. UTM 10km cell: MH-9E 2N. Domenigon 549 Comment
  UCR19350  Melica frutescens John C. Roos 1965-6-13 s.n. Riverside San Jacinto Mtns, W base of the mountains, east of Hemet Comment
  RSA740951  Melica imperfecta Scott D. White, Justin M. Wood 2008-6-19 12274 Riverside Meadows at Baldy Mtn. 1585 Comment
  UCR178350  Melica imperfecta Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1057 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UC195312 Image available Mentha X piperita S. B. Parish 1913-9-20 8608 Riverside railway water works, Mecca Mecca; Salton Sink -57 Comment
  RSA709854  Mentzelia Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4637 Riverside Along Palen Pass Road, sandy area near Palen/McCoy Wilderness boundary. Bajada of mountains, just north of Palen Lake (dry). 170 Comment
  UCR251994  Mentzelia A. C. Sanders, T. B. Salvato 2014-7-2 41158 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA440354  Mentzelia affinis H. M. Hall 1905-04 5766 Riverside Cathedral Canyon 91 Comment
  UCR267889  Mentzelia albicaulis Jim Andre 2013-3-4 23862 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  RSA457752  Mentzelia californica Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2113 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  JOTR32196  Mentzelia involucrata Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  RSA253718  Mentzelia involucrata Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-21 6428 Riverside Big Maria Mountains, 12 air miles north of downtown Blythe. 290 Comment
  RSA440407  Mentzelia involucrata M. B. Dunkle 1935-3-30 4429 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA698073  Mentzelia involucrata J. R. Bruff 1928-4-2 93 Riverside Whitewater. Comment
  SDSU18655  Mentzelia involucrata Michael G. Simpson, Kristen Hasenstab 2008-4-2 2945 Riverside Joshua Tree National Park. Wash just southwest of road to Cottonwood Spring, ca. 0.4 mile northwest of Cottonwood Spring. 922 Comment
  UC1922408  Mentzelia involucrata Naomi Fraga, Lisa Rojas 2005-2-10 1358 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCSB39335  Mentzelia involucrata Jorgensen, Jan 1982-3-21 Riverside Corn Spring Oasis, Chuckwalla Mountains 600 Comment
  JEPS43918  Mentzelia jonesii Marjorie D. Clary 1932-3-27 1597 Riverside 5-10 mi n Indio; Indio Hills 243 Comment
  RSA92744  Mentzelia micrantha J. C. Roos 1952-5-19 5695 Riverside On hills N of Moreno. 518 Comment
  UCR44210  Mentzelia montana A. C. Sanders 1986-6-1 6552 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  RSA554371  Mentzelia nitens Theo Glenn 1991-4-9 91 -137 Riverside Big wash in Eagle Mountains 787 Comment
  UCR38080  Mesembryanthemum nodiflorum O. F. Clarke 1985-5-13 s.n. Riverside San Jacinto River Valley, Gun club ponds east of Davis Road, a short distance north of Lakeview, east of the Bernasconi Hills 428 Comment
  RSA356983  Micropus californicus R. F. Thorne 1973-5-23 43870 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  UCR189587  Microseris douglasii subsp. platycarpha Diane Menuz 2006-5-23 102 Riverside Peninsular Range, Oak Mountain; c. 2.5 km north of Vail Lake 823 Comment
  RSA524438  Microseris heterocarpa Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4054 Riverside Vail Lake area, summit of Big Oak Mountain at E end 793 Comment
  UCR225447  Microseris heterocarpa A. C. Sanders 2011-3-29 38837 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  UCR225581  Microseris heterocarpa A. C. Sanders, T. B. Salvato 2011-3-29 38870 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  UCR213532  Microseris lindleyi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37799 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
  RSA0123180  Mimulus aurantiacus Duncan S. Bell, LeRoy Gross 2016-3-30 9168 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
  UCR280951  Mimulus aurantiacus Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 66 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  UCR98683  Mimulus aurantiacus 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
  LA209160  Mimulus aurantiacus var. pubescens W. E. Pequegnat; 1938-6-15 sn Riverside Santa Ana Mountains, On Bedford Rd Comment
  UCR47668  Mimulus aurantiacus var. pubescens D. C. Michener 1980-5-29 3633 Riverside San Jacinto Mtns, Cave Springs Comment
  POM305379  Mimulus aurantiacus var. puniceus Henry J. Ramsey, Henry J. Ramsey 1938-5-4 639 Riverside Elsinore Comment
  UC64228  Mimulus aurantiacus var. puniceus H. M. Hall 1897-2-27 369 Riverside Winchester Comment
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Mar 20 2011
  UCR50392  Mimulus aurantiacus var. puniceus L. F. LaPre, Jack Easton 1988-1-12 s.n. Riverside Santa Rosa Plateau, Mesa de la Punta, Santa Rosa Springs Ranch 610 Comment
  UCR90980  Mimulus aurantiacus var. puniceus Scott D. White 1996-3-16 3822 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  SEINET3079984 Image available Mimulus bigelovii Barbara Gayle Pitzer 1998-1-24 3393 Riverside Sonoran (Colorado) Desert; N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  HSC82815  Mimulus bigelovii var. bigelovii A. C. Sanders, Pitzer, Charlton, Kniffin 1986-3-3 6101 Riverside Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the S 489 Comment
  RSA27934  Mimulus bigelovii var. bigelovii C. L. Hitchcock 1940-3-29 5857 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  RSA420963  Mimulus bigelovii var. bigelovii Anstruther Davidson 1903-5-1 1178 Riverside Working Canyon Comment
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May 28 2010
  UCR51929  Mimulus bigelovii var. bigelovii Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2162 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  UCSB10383  Mimulus bigelovii var. bigelovii Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  RSA85485  Mimulus brevipes J. C. Roos, Lucille Roos 1952-4-19 5562 Riverside Box Springs Mtns. 457 Comment
  RSA192073  Mimulus cardinalis H. A. Zuill 1966-6-8 217 Riverside Between Johnson Ranch and Deduz. About 10 miles south of Murrieta. Comment
Read comments
Feb 12 2013
  UCR189579  Mimulus clevelandii Diane Menuz 2006-6-27 184 Riverside Peninsular Range; Santa Ana Mtns, trail to Santiago Peak, 100 m from Main Divide Road 1470 Comment
  CLARK-A1045-66  Mimulus diffusus George K. Helmkamp 1978-5-6 Riverside Bautista Canyon burn on moist, north slope of Canyon; Hemet 15'Q Comment
  SBBG53759  Mimulus floribundus S. Boyd 1980-5-11 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  UCR156286  Mimulus floribundus T. B. Salvato, Kent Beaman 2005-5-16 838 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR231809  Mimulus fremontii Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 10 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  UCR280945  Mimulus fremontii Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 71 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  UCSC000869  Mimulus fremontii Peter Kamb 1948-7-4 1173 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  LA209401  Mimulus guttatus L. Haines; L Eriekbon 1937-4-10 sn Riverside San Jacinto Mountains, Palms to Pines Hwy, 2 mi above valley Comment
  UCR167834  Mimulus guttatus T. B. Salvato, Melissa Clemons 2005-6-23 1307 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  SEINET10929299  Mimulus guttatus David B. Dunn 1946-8-17 Dunn 2683 Riverside Stream edge. Near stream at camp in taquitz valley damp meadow area. San jacinto Mts. Comment
  LA99204  Mimulus guttatus subsp. guttatus E. R. Hobbs; 1978-7-17 78 -120 Riverside Avery Canyon, Between Santa Rosa Hills and Pollly Butte, N side of Gibbel Road, S of Hemet Comment
  UC489221  Mimulus inodorus C. V. Meyer 1928-7-31 601 Riverside Tahquitz Valley San Jacinto Mt. 2286 Comment
  UCR24930  Mimulus moschatus A. C. Sanders 1980-8-23 1752 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UC454138  Mimulus primuloides I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  UCR257223  Mimulus primuloides Naomi Fraga, Et al. 2008-8-28 2609 Riverside Peninsular Range; San Jacinto Mountains, Mount San Jacinto State Park; Hidden Lake 2652 Comment
  CSUSB897  Mimulus puniceus Mark T. Wexler 1973-5-13 Riverside Santa Ana Mountains Cleveland National Forest, 10.18 miles from Orange County line of State Route 74, on east face of Santa Ana Mountains. 457 Comment
  CAS-BOT-BC388774  Minuartia douglasii Steve Boyd 1992-4-15 6855 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 487 Comment
  CAS-BOT-BC388775  Minuartia douglasii Steve Boyd; Tim Ross; Dave Bramlet 1993-5-12 7340 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 426 Comment
  RSA802098  Minuartia douglasii Duncan S. Bell, Caitlin Elam 2013-5-21 4971 Riverside In Dry Creek below Strawberry Valley to the north of Chalk Hill and about 1.25 air miles south of Idyllwild. 1547 Comment
  HSC34753  Mirabilis laevis R. E. Cooksey Mar 1974 204 Riverside San Bernardino Mtns. White Water canyon 305 Comment
  SEINET7048177  Mirabilis laevis Steven R. Hill 2001-5-3 33683 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
  CAS-BOT-BC434688  Mirabilis laevis var. crassifolia Mitch Provance 1998-5-4 1712 Riverside Jurupa Mountains: SW Rattlesnake Mt., above the Ormand Quarry, ca. 1.5 km W of peak 1739. 366 Comment
  POM750  Mirabilis laevis var. crassifolia P. A. Munz 1918-4-27 2128 Riverside Temescal Canyon. Comment
  RSA0123999  Mirabilis laevis var. crassifolia Duncan S. Bell, Thomas Stoughton 2016-4-13 9251 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  RSA464253  Mirabilis laevis var. crassifolia Jack Rempel 1942-3-2 s.n. Riverside San Gorgonio Pass, S of Cabazon. Roadside between highway and R.R. tracks Comment
  CAS-BOT-BC434826  Mirabilis laevis var. retrorsa Ivan Johnston 1917-4-4 1038 Riverside Colorado Desert. Palm Canyon 304 Comment
  POM250680  Mirabilis laevis var. retrorsa I. W. Clokey 1935-4-17 6602 Riverside Cottonwood Springs. Comment
  RSA464809  Mirabilis laevis var. retrorsa Ora M. Clark 1929-2-23 1572 Riverside North of Whitewater Comment
  SEINET3161562  Mirabilis laevis var. retrorsa J. Henrickson 1973-3-18 8609 Riverside ca 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger at N end of Coyote Canyon Road, on the first steep grade down to canyon 823 Comment
  UC851737  Mirabilis laevis var. retrorsa C. L. Hitchcock 1940-4-1 5906 Riverside 1 mi below Cottonwood Springs, Joshua Tree National Monument Comment
  RSA464818  Mirabilis laevis var. villosa I. M. Johnston 1917-4-4 13806 Riverside Mouth of Andreas Canyon. 244 Comment
  UCD98207  Mirabilis laevis var. villosa C. L. Hitchcock 1966-3-16 24176 Riverside 1/4 mile w. of Aguanga. Comment
  JEPS61316  Mirabilis multiflora var. pubescens W. L. Jepson 1901-5-22 1376 Riverside Palm Canyon and return to <Van Deventer's> Palm Canyon 914 Comment
  SD119907  Mirabilis multiflora var. pubescens Louis B. Ziegler 1964-8-30 21 Riverside San Jacinto Mountains, Garner Valley. 1431 Comment
  JOTR33998  Mohavea confertiflora La Doux, Tasha, M. Harding 2010-4-7 2886 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA4943  Mohavea confertiflora Carl B. Wolf 1932-4-27 3054 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  RSA80251  Mohavea confertiflora F. W. Peirson 1928-3-10 7708 Riverside Hidden Spring, northern Colorado Desert. Comment
  SD21519  Mohavea confertiflora Ethel B. Higgins 1938-5-21 5761 Riverside Shaver's Summit Comment
  RSA0017420  Mohavea confertiflora Marcus E. Jones 1924-2-28 s.n. Riverside Blythe. Comment
  RSA339249  Mollugo cerviana Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53589 -a Riverside Joshua Tree National Monument: Hidden Valley. 1280 Comment
  UC1995359  Monardella australis subsp. australis Elizabeth McClintock 1939-9-1 Riverside trail to Round Valley; San Jacinto Mts. Comment
  UCR195145  Monardella breweri subsp. lanceolata A. C. Sanders, Tim Thomas 2008-8-1 35929 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  SBBG71969  Monardella lanceolata R. Hoffmann 1929-9-7 Riverside Strawberry Valley 1645 Comment
  UCR121211  Monardella lanceolata D. E. Bramlet 1989-5-19 1871 Riverside Perris-Aguanga Basin region, South Domengoni Hills, 6000 ft. south of Newport Rd. and 5000 ft. east of MWD canal 518 Comment
  RSA180471  Monardella lanceolata var. lanceolata E. W. Lathrop 1960-5-27 5224 Riverside 6 miles west of Murrieta. Comment
  RSA515346  Monardella lanceolata var. lanceolata Jeri Hirshberg 1989-5-9 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, mouth of Miller Canyon, N of Mesa de Burro. 351 Comment
  SEINET3996310 Image available Monardella linoides Philip A. Munz 1939-8-14 15380 Riverside Santa Rosa Mountains; ridge east of Toro Peak 2286 Comment
  CAS-BOT-BC215492  Monardella nana E. McClintock; H. Lewis 1941-6-29 77 Riverside Road up Santa Rosa Mt. 1 mile beyond canyon where stream crosses road Comment
  RSA720448  Monardella nana subsp. arida Naomi S. Fraga, Valentin Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1700 Riverside Along 4-W drive trail east of Morris Ranch road and west of McGregor Flat. 1616 Comment
  SEINET10582418  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 56 Riverside San Bernadino National Forest, Santa Rosa Mtn. 2.05 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on the right shoulder (heading back towards Hwy. 74). T7S,R5E,S29. 1 small clump at the bottom of a steep bank. Comment
  SEINET945637  Monardella robisonii K. Stolte 1979-1 Riverside Joshua Tree National Monument. Zoo Rock. A small mound of rock on the south side of Monument Route 2, 3.8 miles NW of the entrance to Lost Horse Ranger Station. Collected on the western aspect of Zoo Rock. Comment
  GMDRC9383  Monolepis nuttalliana J. M. Andre 2017-3-4 37201 Riverside Big Maria Mountains: eastern base of range at Black Point, west side of US Hwy 95 34.2 mi. south of Vida Jct, at road to radio tower 94 Comment
  RSA799518  Monolepis nuttalliana Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4777 Riverside East side of Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.25 air miles east southeast of Priests Well. 211 Comment
  UCR85587  Monolepis nuttalliana Julie A. Greene 1993-4-30 1249 Riverside San Jacinto Valley, San Jacinto Wildlife Area, south of visitors center, by waterfowl kiosk, east of Davis Road 433 Comment
  CAS-BOT-BC349796  Monoptilon bellioides Javier Penalosa 1963-4-10 2779 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  POM363577  Monoptilon bellioides M. B. Dunkle 1933-3-4 3067 Riverside Painted Canyon, Colorado Desert. 30 Comment
  POM363589  Monoptilon bellioides L. H. Jones 1910-3-17 s.n. Riverside Not plantiful, on gravelly banks and small washes at edge of mesas, Riverside Mountain, Colorado River. Comment
  POM7903  Monoptilon bellioides P. A. Munz, R. D. Harwood 1920-4-3 3557 Riverside Ford's Well west of Blythe. 305 Comment
Read comments
Dec 13 2016
  RSA0123369  Monoptilon bellioides Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9035 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
  SD224862  Monoptilon bellioides G. K. Helmkamp 1998-4-4 3165 Riverside Colorado Desert: 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station. 305 Comment
  SEINET2053855 Image available Monoptilon bellioides I. Rauch 1968-4-9 Riverside Palm Desert, Dead Indian Creek wash. 152 Comment
  UC1051456  Monoptilon bellioides Herbert L. Mason 1952-4-7 14210 Riverside Palm Springs Palm Canyon Comment
  UCR52233  Monoptilon bellioides Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2126 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA0054834  Montia perfoliata Keith E. Hoffmaster 1937-6-6 778 Riverside San Jacinto Mts. Comment
  CDA39523  Moraea polystachya S. Morgan 1984-11-2 s.n. Riverside University of California, Riverside. Botanic Garden. 0 Comment
  UCR2783  Muhlenbergia asperifolia F. M. Reed 1907-10-20 1982 Riverside Riverside. Spring Brook above Fairmont Park. Comment
  SBBG59549  Muhlenbergia filiformis R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  CAS-BOT-BC275300  Muhlenbergia microsperma Peter H. Raven 1958-2-15 11557 Riverside Corn Springs, Chuckwalla Mountains Comment
  JOTR33738  Muhlenbergia microsperma La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2737 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
  RSA0062476  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato 2012-10-12 40426 Riverside Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail. 151 Comment
  UC1584117  Muhlenbergia microsperma Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3840 Riverside cinder cone ridge at n side mouth of Temecula Creek Cyn (and adjacent benches on s flank of 'Big' Oak Mtn.); Vail Lake area 396 Comment
  UCR114751  Muhlenbergia microsperma Scott D. White, D. E. Bramlet 1999-5-19 7368 Riverside Lake Skinner area, Ridgetop, north-, west-, and northwest facing slopes of Bachelor Mtn. 762 Comment
  POM1102  Muhlenbergia richardsonis H. M. Hall 1901-06 2428 Riverside Tauquitz Valley 2805 Comment
  UCR6184  Muilla maritima C. M. Bringle, H. Johnston 1967-4-22 B670422- 7 Riverside Jurupa, [Pedley Hills] at end of Sedona Drive off Jurupa Road, west of Mission Blvd. Hillside with red water storage tank. 'el. 800 ft.' 305 Comment
  CAS-BOT-BC83346  Myosurus minimus Frank W. Peirson 1922-4-29 2945 Riverside South of Lake Elsinore. 374 Comment
  RSA532577  Myosurus minimus subsp. apus D. E. Bramlet, P. Gordon-Reedy 1991-5-8 2121 Riverside 30m east of California Ave. and 75m north of the AT and SF railroad tracks. The population is NE of the intersection of California Ave. and Marvin Hull Road. Some 10-300m west of MWD Canal. 498 Comment
  RSA617800  Myosurus minimus var. filiformis R. E. Riefner 1998-3-22 98 -196 Riverside Glen Ivy Fault, Main Street Comment
  SEINET3165869  Nama demissa G. B. Grant 1906-4-20 6777 Riverside Palm Springs Comment
  POM98949  Nama demissa E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  JOTR33994  Nama demissa var. demissa La Doux, Tasha, M. Harding 2010-4-7 2882 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UC880829  Nama demissa var. demissa Lewis S. Rose 1937-4-9 37099 Riverside Palm Springs 137 Comment
  RSA49361  Nama demissa var. deserti P. A. Munz 1949-4-11 13005 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  RSA74719  Nama hispida var. revoluta E. C. Jaeger 1922-4-9 5458 Riverside Wiley s Well, 20 miles SW of Blythe. Comment
  RSA264149  Nama hispida var. spathulata C. W. Tilforth, John Dourley, Walter Wisura 1977-6-19 1329 Riverside 2 miles S of Rice and Hwy 62, along Blythe-Rice Rd. 267 Comment
  SD193304  Nama stenocarpa Chris E. True, Robert Cox 2005-7-21 Riverside Mystic Lake, lakeshore west sof Bridge Street intersection with Gilman Springs Road. 436 Comment
  UCD87909  Nassella cernua Fred M. Reed 1906-3-17 927 Riverside Riverside. Tequesquito Arroyo at end of Chicago Ave. Comment
  RSA92555  Nassella cernua J. C. Roos 1952-5-7 5621 Riverside Edgemont 488 Comment
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May 21 2011
  CDA2256  Nassella tenuissima R. E. Riefner Jr. 2007-5-26 07 -216 Riverside City of Lake Elsinore, along I-15 north near Main Street. Comment
  UCD116093  Nasturtium officinale R. N. Raynor 1933-3-31 s.n. Riverside Eden Hot Springs. Comment
  RSA556462  Navarretia fossalis Julie Greene 1993-4-30 1246 Riverside San Jacinto Wildlife Area. South of visitors center, by waterfowl kiosk, east of Davis Road. 433 Comment
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Aug 2 2016
  UCR127941  Nemacladus glanduliferus A. C. Sanders, G. Nuhn 1995-4-20 16580 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
  RSA789233  Nemacladus longiflorus var. longiflorus Naomi Fraga, Duncan S. Bell 2009-5-6 2707 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
  POM11738  Nemacladus ramosissimus P. A. Munz, I. M. Johnston 1922-5-18 5320 Riverside 3 miles south of Murrieta. Comment
  RSA525353  Nemacladus ramosissimus Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4450 B Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  SD51777  Nemacladus ramosissimus Rimo Bacigalupi, G. T. Robbins 1954-5-16 4464 Riverside St. Johns Grade, State Highway 79, 11 miles south of Hemet, at junction of road to Red Mountain. 790 Comment
  UC68746  Nemacladus rubescens H. M. Hall Apr 1905 5838 Riverside near Salton; Colorado Desert -30 Comment
  RSA777733  Nemacladus sigmoideus J. Andre, G. L. Clifton 2011-2-22 17450 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  SEINET13681951  Nemacladus tenuis var. aliformis Tina Ayers, Randy Scott 2017-3-19 1922 Riverside Chuckwalla Mountains, ca 8 miles west of Chuckwalla Valley Road on Dupont Road, roadside at edge of wilderness area 152 Comment
  UCR225595  Nemophila menziesii A. C. Sanders 2011-3-29 38859 Riverside Peninsular Range; Perris-Aguanga Basin Region, hills between Sun City and Perris, low hilltop along powerline corridor c. 1/2 mile west of Goetz Rd., west of Alabaster Loop, above the San Jacinto River upstream of Railroad Canyon Lake 451 Comment
  CSUSB771  Nicotiana bigelovii Dick Bernier 1966-4-10 Riverside Found along the road in a ditch just before you enter the dirt road to the Santa Ana Mountains from Murrieta. 548 Comment
  RSA614565  Nicotiana obtusifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2665 Riverside 3.2 mi. N of jct of Thousand Palms Canyon Rd and Dillon Rd. 457 Comment
  UC303675  Nicotiana obtusifolia S. B. Parish 1919-3-27 19200 Riverside Palm Springs; Colorado Desert Comment
  UCR166015  Nicotiana obtusifolia Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  JOTR29248  Oenothera californica subsp. californica La Doux, Tasha 2005-8-17 1528 Riverside Joshua Tree National Park. Queen Valley, at intersection of Park Blvd. and O'Dell Rd. 1338 Comment
  RSA75413  Oenothera deltoides subsp. deltoides F. W. Peirson 1918-03 779 Riverside Irrigated field near Indio. Comment
  RSA717444  Oligomeris linifolia Scott D. White, Pam De Vries 2006-3-14 11256 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  SEINET4089734  Oligomeris linifolia G. T. Manthey 1977-1 1617 Riverside About 10 miles east of Mecca onroad going toward Joshua Tree National Forest. Comment
  CAS-BOT-BC349929  Oncosiphon piluliferum A. C. Sanders; T. B. Salvato; Kelly Volansky; Michelle Balk 2006-5-24 32540 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 549 Comment
  CAS-BOT-BC478172  Oncosiphon piluliferum R. E. Jr. Riefner 2015-4-2 15 -107 Riverside Perris/Menifee area, Patricia Ln. at Barnett Rd., S of Ethanac Rd. and W of I-215 441 Comment
  UCR233582  Oncosiphon piluliferum A. C. Sanders, John F. Green 2012-3-26 39992 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, De Palma Rd. near Indian Truck Trail, west of Lee (Corona) Lake near edge of a commercial development 363 Comment
  UCR249221  Oncosiphon piluliferum LeRoy Gross, Bart O'Brien 2013-3-18 5950 Riverside Coastal Plains and Basins; San Bernardino Basin Region, Fairmount Park, west side of Lake Evans, Riverside, NE of Mt. Rubidoux 238 Comment
  CLARK-A1528-2361  Opuntia basilaris John C. Roos 1937-4-18 Riverside Snow Creek Comment
  UCR68161  Opuntia parryi Marc A. Baker 1987-4-1 7025 B Riverside San Bernardino / San Jacinto Mtns., eastern edge of Banning, just north of Hwy I-10 (Fwy) 671 Comment
  SEINET9192033 Image available Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2015-6-23 18358 Riverside 2.5km north of central Banning, 39km NW of central Palm Springs 841 Comment
  CAS-BOT-BC254291  Orcuttia californica R. F. Thorne; E. Lathrop 1969-5-19 37971 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado, small vernal marsh NW of large vernal marsh 624 Comment
  UC887977  Orobanche bulbosa P. A. Munz and I. M. Johnston 1922-5-19 5330 Riverside 5 mi ne of Murietta 457 Comment
  CAS-BOT-BC502864  Orobanche cooperi subsp. cooperi F. O. Ballou 1926-2-27 s.n. Riverside Old beach line near Fish Springs Comment
  CAS-BOT-BC502865  Orobanche cooperi subsp. cooperi Aven Nelson; Ruth Nelson 1939-3-28 3301 Riverside East of N end of Salton Sea, near Mecca Comment
  RSA0084361  Orobanche cooperi subsp. cooperi W. B. McDougal 1930-4-13 s.n. Riverside 1000 Palms. Colorado Desert. Comment
  RSA0034673  Oryzopsis hymenoides Norman C. Cooper 1945-3-24 1615 Riverside Cabazon. 457 Comment
  UC1520011  Osmadenia tenella Robert Gustafson, Gary Wallace 1983-6-23 2721 Riverside ca 2 1/2 mi from its junction with Hwy. 15 Clinton Keith Road; Santa Ana Mts. Comment
  RSA263608  Osmorhiza brachypoda E. W. Lathrop 1968-5-22 6912 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA553952  Oxytheca emarginata G. R. Ballmer 1991-6-22 s.n. Riverside SE end of Garner Valley, on Pacific Crest trail, 2-3 miles N of jct. with Hwy 74; in vicinity of Bull Canyon Comment
  CAS-BOT-BC121217  Paeonia californica Carl B. Wolf 1936-6-17 7955 Riverside Santa Ana Mtns, Teneja Road, 1.4 mi off Ortega Hwy, on road to La Cienaga 609 Comment
  CDA8438  Palafoxia arida M. S. Wasbauer 1960-3-26 Riverside Palm Springs. 0 Comment
  JEPS30724  Palafoxia arida var. arida Peter H. Raven 1962-4-7 17119 Riverside San Gorgonio Pass E of Banning 396 Comment
  RSA778131  Palafoxia arida var. arida Thomas Stoughton, Erika Gardner, D. Bell 2010-11-12 715 Riverside Coachella Valley Preserve. Site #3. Ca 0.25 mile E of road. 305 Comment
  RSA0045506  Palafoxia linearis William Blanchard 1932-4-16 s.n. Riverside Palm Springs Station. TR6. Comment
  UC39300  Panicum acuminatum var. acuminatum H. M. Hall June 1901 2244 Riverside North Fork San Jacinto River San Jacinto Mountains, North Fork San Jacinto River (Southern California) 914 Comment
  VVC1448  Panicum capillare A. C. Sanders, J. Mac 1996-11-23 19662 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  SBBG57164  Panicum urvilleanum Anstruther Davidson 1893-1 Riverside Palm Springs Comment
  UCR104075  Papaver californicum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20631 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR201016  Parkinsonia aculeata Scott D. White, Justin M. Wood 2008-9-17 12541 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks 448 Comment
  RSA381085  Paspalum dilatatum R. F. Thorne, Steve Boyd, Earl Lathorp 1985-7-18 61176 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  POM268769  Pectis papposa Marcus E. Jones 1929-9-16 s.n. Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  OBI15592  Pectis papposa var. papposa Lewis S. Rose 1961-11-24 61063 Riverside La Quinta 15 Comment
  RSA775949  Pectocarya heterocarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 939 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  SD247368  Pectocarya linearis A. C. Sanders, Jake Schweitzer and Katie Young 2015-3-23 41418 Riverside San Gorgonio River wash, ca. 3.7 miles east of Cabazon, ca. 1.25 miles NNE f One Horse Spring, south of I-10 and east of water bottling plant, between wind farms. 427 Comment
  UCR155081  Pectocarya linearis A. C. Sanders, Kelly Volansky 2005-3-17 29222 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  VVC2876  Pectocarya linearis subsp. ferocula Tim Thomas, P. J. MacKay 2010-4-12 5021 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  SEINET3084047 Image available Pectocarya penicillata A. C. Sanders, P. MacKay, T. Thomas, G. Helmkamp 1997-2-8 19679 Riverside Colorado Desert/San Jacinto Mtns: Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon. 183 Comment
  UCR174385  Pectocarya penicillata A. C. Sanders 2006-5-19 32416 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
  SBBG81516  Pectocarya platycarpa S. A. Junak 1983-3-23 1627 A Riverside E side of Jefferson Rd opposite entrance to Cahuilla Lake County Park, S of Indio Comment
  SEINET7063462  Pectocarya platycarpa A. G. Vestal 1947-3-31 s.n. Riverside About 2.3 miles north of Lake Elsinore off present I 15. UTM Zone 11, 467263mE, 3929340mN. (WGS84/NAD83). 396 Comment
  UCR29782  Pectocarya platycarpa George K. Helmkamp 1983-3-24 383- 13 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  RSA676118  Pectocarya recurvata Scott D. White 2001-4-3 8222 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  SEINET3084040 Image available Pectocarya recurvata Andrew C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15919 Riverside Sonoran (Colorado) Desert; Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Road, 1.35 mi. east of Dillon Road 98 Comment
  UCR228848  Pectocarya recurvata A. C. Sanders, Nathan Moorhatch 2011-3-22 38791 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  POM99112  Pectocarya recurvata Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  RSA757638  Pectocarya setosa LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4316 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA493825  Pedicularis densiflora Maureen Pendleton 1988-2-22 s.n. Riverside Rancho Calif. area. ca. 8 mi. (airline) NW of Temecula, between Bruce Lane and Via View Dr. 732 Comment
  POM12896  Pedicularis semibarbata Philip A. Munz 1922-6-28 5880 Riverside Near Toro Peak , Santa Rosa Mts. 2409 Comment
  RSA750884  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Riverside, residence at 1009 Bascomb Drive 305 Comment
  UCR190496  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  CLARK-A1528-37  Pellaea andromedifolia E. Kozloff 1938-1-9 Riverside Corona Comment
  HSC35459  Pellaea andromedifolia J. D. Ackerman, A. M. Montalvo 1975-6-26 527 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, near Upper San Juan Campground, Cleveland Nat'l Forest 610 Comment
  RSA747516  Pellaea andromedifolia Justin M. Wood 2009-3-10 344 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  RSA698463  Pellaea mucronata J. Vlahos s.n. Riverside Dry rock hillside near Elsinore. Comment
  UCR165830  Pellaea mucronata T. B. Salvato, John F. Green 2004-5-27 626 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
  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
  RSA23660  Penstemon X parishii R. S. Woglum 1939-4-22 2189 Riverside Upper part of Bautista Canyon between Anza and Hemet. Comment
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Jun 9 2012
  UC886862  Penstemon californicus P. A. Munz and I. M. Johnston 1922-5-21 5445 Riverside Kenworthy San Jacinto Mts., Hemet Valley; Kenworthy, Hemet Valley 1371 Comment
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Mar 25 2011
  SD152743  Penstemon centranthifolius Steve Boyd 1992-4-15 6882 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek. 334 Comment
  SFV17407  Penstemon clevelandii M. S. Valenzuela, P. Wilson, G. Aldridge, H. Crandall 1998-6-5 73 Riverside Highway 74 near Santa Rosa Mountain Road. 1220 Comment
  RSA79775  Penstemon clevelandii subsp. connatus F. W. Peirson 1919-4-14 1106 Riverside Murray Canyon, Palm Springs Region. 457 Comment
  RSA97163  Penstemon clevelandii subsp. connatus R. M. Straw 1953-6-25 489 Riverside Santa Rosa Mountain Truck Trail, off Palms to Pines Hwy. 1677 Comment
  JEPS3819  Penstemon clevelandii var. connatus Marjorie D. Clary 1934-4-23 Riverside Vandeventer Flats Santa Rosa Mts., Vandeventer Flats 1219 Comment
  RSA0014863  Penstemon clevelandii var. connatus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1332 Riverside Santa Rosa Mountains. Comment
  RSA788347  Penstemon heterophyllus var. heterophyllus Linda M. Prince, Duncan S. Bell 2009-6-17 574 Riverside Cleveland National Forest. Helipad. Comment
  POM11244  Penstemon labrosus Philip A. Munz 1922-9-7 6454 Riverside San Jacinto Peak 3049 Comment
  RSA559335  Penstemon spectabilis Steve D. Boyd, Tim S. Ross 1992-5-15 7407 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  JOTR16855  Penstemon thurberi Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE RANGER STATION FROM CAP ROCK 1310 Comment
  SBBG133365  Pentachaeta aurea S. D. White, J. M. Wood 2008-5-15 11987 Riverside Johnson Meadow, San Jacinto Mtns 1415 Comment
  UCR137604  Pentachaeta aurea 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
  SFV21856  Peritoma arborea J. R. Pucci 2001-3-10 2 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  CAS-BOT-BC77474  Peritoma arborea var. angustata Aven Nelson 1930-3-1 11168 a Riverside No. of Palm Springs Comment
  CAS-BOT-BC77485  Peritoma arborea var. angustata F. H. Billings 1926-2-6 18 Riverside Desert near Palm Springs Comment
  CAS-BOT-BC73728  Peritoma arborea var. arborea K. Larson 1976-9-28 2243 Riverside ~3 mi. E. of Devers substation. Comment
  CAS-BOT-BC73775  Peritoma arborea var. arborea J. Beley 1974-2-22 73 -641 Riverside 1 1/2 mile east of Cabazon Comment
  CAS-BOT-BC77525  Peritoma arborea var. arborea Munz; Street; Williams 1919-3-28 2461 Riverside San Gorgonio Pass between Whitewater & Cabazon Comment
  POM19633  Perityle emoryi Mary F. Spencer 1923-6-5 2213 Riverside Soboba Hot Springs, near San Jacinto. 549 Comment
  RSA125461  Petalonyx thurberi E. K. Balls, P. C. Everett 1957-8-20 22662 Riverside 3.2 miles N along road to 29 Palms from Jct with Hwy 60/70/99. 259 Comment
  RSA698081  Petalonyx thurberi J. R. Bruff 1927-10-8 1 -O Riverside Thousand Palms. Comment
  UCR169923  Petalonyx thurberi Scott D. White, Jennifer H. Jones 2005-4-21 10947 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  PASA1559  Petalonyx thurberi Shanteau Riverside Mojave desert Comment
  UC164853  Petalonyx thurberi subsp. thurberi S. B. Parish 1902-6-28 8121 Riverside Mecca Colorado Desert, Mecca Comment
  POM264161  Petunia parviflora J. C. Roos 1937-6-7 498 Riverside South of Sage. Comment
  UC566662  Peucephyllum schottii Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  UCR232389  Phacelia ambigua var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 8056 Riverside Sonoran (Colorado) Desert, north edge of Palo Verde Mesa, 150 m south of McCoy Wash, 5.3 km WSW of Mesaville Siding, and 6.1 km north of Blythe Airport 137 Comment
  RSA0003811  Phacelia californica var. jacintensis E. C. Jaeger 1922-7-1 1045 Riverside Tahquitz Valley, San Jacinto Mts. Comment
  SBBG25054  Phacelia campanularia D. Myrick 1966-4-2 1333 Riverside upper end of Aqueduct Rd, SE of Desert Hot Springs Comment
  SEINET5537058  Phacelia campanularia I. W. Clokey 1935-4-17 6839 Riverside Cottonwood Springs Comment
  JOTR16716  Phacelia campanularia subsp. campanularia Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH OF JUMBO ROCKS 1280 Comment
  RSA713801  Phacelia cicutaria var. hispida A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27899 Riverside Peninsular Range: summit ridge of Alberhill Mountain, along dirt road. 503 Comment
  RSA788442  Phacelia cicutaria var. hispida L. M. Prince, Duncan S. Bell 2009-6-17 580 Riverside Cleveland National Forest. Comment
  UCR135985  Phacelia cicutaria var. hispida A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27899 Riverside Peninsular Range, summit ridge of Alberhill Mountain, along dirt road 503 Comment
  UCR3163  Phacelia cicutaria var. hispida M. Wexler 1973-5-13 s.n. Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, 10.18 mi from Orange Co. line on State Route 74, east face of mountains 457 Comment
  CLARK-A1528-5436  Phacelia crenulata John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA783488  Phacelia crenulata J. D. Olmsted 1958-3-29 80 Riverside Joshua Tree National Monument. Pinto Basin 15-20 mi north of junction between Cottonwood Pass and Cottonwood Spring Roads on the former, now become Pinto Basin Road just past Cholla Cactus Gardens. 762 Comment
  RSA0043231  Phacelia crenulata var. ambigua Duncan S. Bell 2009-4-18 252 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  RSA0019476  Phacelia crenulata var. minutiflora Jim Andre, G. L. Clifton, Ron Kelley 2013-3-21 24386 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps 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 run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  JOTR31059  Phacelia cryptantha La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2042 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  RSA426211B  Phacelia distans N. C. Cooper 1949-4-8 3309 Riverside Desert Center. 610 Comment
  RSA500213  Phacelia distans Steve Boyd, Tim Ross, L. Arnseth 1989-5-7 3530 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA784769  Phacelia distans Duncan S. Bell 2012-3-18 3173 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  SEINET5767841  Phacelia distans Norman C. Cooper 1944-4-23 1145 Riverside Banning. Comment
  UCR140290  Phacelia distans A. C. Sanders 2004-4-9 27473 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  UCR168241  Phacelia distans P. A. Munz 1949-4-11 13022 Riverside Southern Mojave Desert, near Conejo Well, north base of Eagle Mtns. 915 Comment
  UCR185110  Phacelia distans LeRoy Gross, L. Lubinsky, V. W. Steinmann, L. L. Worlow 2005-2-17 1419 Riverside Chocolatte-Chuckwalla Mountains, Colorado Desert; Corn Springs Campground in the Chuckwalla Mountains. Canyon SW of Campground 549 Comment
  UCR22086  Phacelia distans Steve Boyd 1980-5-3 178 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  SD58477  Phacelia imbricata subsp. patula L. R. Heckard 1956-6-28 768 Riverside Along edge of Saunders Meadow, near Idyllwild, San Jacinto Mountains. Comment
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Nov 2 2008
  HSC78991  Phacelia minor K. Berg 1981-5-1 353 Riverside San Jacinto Mtns. along Banning-Idyllwild Hwy. (243) below Mt. Eden Comment
  JEPS89045  Phacelia minor Rimo Bacigalupi and L. Heckard 1962-3-25 8407 Riverside Temescal Guard Station to Warm Springs Valley (lower slopes of mt. as viewed e-ward from Hwy 71); Estelle Mountain 335 Comment
  RSA612495  Phacelia minor D. L. Banks 1997-2-23 1322 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
  RSA659353  Phacelia minor P. Shirokawa 1998-5-15 29 Riverside Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  RSA699774  Phacelia minor Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  RSA700025  Phacelia minor Scott D. White, Michael Honer 2003-4-25 9100 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  RSA78473  Phacelia minor Verne Grant, Alva Grant 1952-3-19 17502 Riverside Near mouth of Whitewater Canyon. Comment
  UCR112409  Phacelia minor A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23456 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  POM8639  Phacelia neglecta P. A. Munz, R. D. Harwood 1920-4-3 3562 Riverside Ford's Well west of Blythe. 305 Comment
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Dec 13 2016
  RSA699573  Phacelia parryi Kenneth Beard 1934-04 s.n. Riverside Hills along Ortega Highway, south of San Juan Hot Springs Comment
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Oct 31 2011
  SEINET4080506  Phacelia ramosissima var. latifolia C. Davidson 1975-1 2820 Riverside Roughly two miles south of Banning on road R1 to Idyllwild; roughly 20 feet from road. 822 Comment
  UCR20521  Phacelia viscida H. A. Zuill 1966-6-5 197 Riverside Santa Ana Mtns., San Mateo Canyon c. 13 mi SW of Murrieta Comment
  RSA515337  Phalaris minor Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau; S of town of Murrieta, on W side of Mesa de Burro., (Near 33 deg 31'N, 117 deg 14'W). 549 Comment
  RSA575989  Phalaris minor Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills Region, Gavilan Plateau along Lake Mathews Road, south of Gavilan Peak. 640 Comment
  CLARK-A1528-4799  Phalaris paradoxa John C. Roos 1952-5-21 5702 Riverside San Jacinto River 426 Comment
  UCR35056  Phlox austromontana L. B. Ziegler 1972-5-4 450 Riverside San Jacinto Mountains, near and above Morris Ranch area 1524 Comment
  JEPS1853  Pholistoma membranaceum Marjorie D. Clary 1932-4-3 1617 Riverside 1/4 mi. s.w. Indio (Deep Canyon); Colorado Desert, Deep Canyon 365 Comment
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Nov 1 2011
  RSA0122709  Pholistoma membranaceum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9055 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
  SD143843  Pholistoma membranaceum A. C. Sanders, P. MacKay, et al. 1997-2-8 19683 Riverside Tahquitz Debris Basin at mouth of Tahquitz Canyon. 182 Comment
  UCR17965  Pholistoma membranaceum A. C. Sanders 1976-4-20 00980 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  UCR200401  Pholistoma membranaceum Tasha La Doux, Jim Andre 2008-3-21 138 Riverside Eastern Mojave Desert, Joshua Tree National Park, Upper Cottonwood Canyon, c. 2 mi south of Cottonwood Visitors Center in canyon just west of paved road 881 Comment
  UCR88865  Pholistoma membranaceum A. C. Sanders 1995-4-13 16507 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  UCD102027  Phoradendron bolleanum Steve Boyd 1985-12-14 1193 Riverside Gavilan Hills, Harford Springs County Park. Comment
  NY43290  Phoradendron californicum C. R. Annable 1995-3-15 2281 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  UCR48550  Phoradendron californicum J. Glazner 1985-3-25 s.n. Riverside Sonoran (Colorado) Desert, Morongo Canyon, 5 mi. NW of Desert Hot Springs and just west of the Hwy 62-Indian Ave. junction 610 Comment
  UCR195798  Phoradendron densum Jim Andre, T. La Doux 2007-9-6 8702 Riverside Little San Bernardino Mountains, Joshua Tree National Park, c. 5 mi south of west entrance 1226 Comment
  UC1078929  Phoradendron villosum Job Kuijt 1958-3-14 1494 Riverside 12.4 mi. s. Palm Desert 1066 Comment
  UC51623  Phragmites australis J. B. Davy 1902-4-2 8045 Riverside Salton Comment
  UCD170895  Phyllanthus O. F. Clarke 2007-10-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus. 351 Comment
  SBBG6614  Physalis crassifolia H. and M. Dearing 1940-1-1 4057 Riverside Painted Cyn, near Mecca Comment
  SD111893  Physalis crassifolia Barbara Ertter, Jeffrey Strachan 1980-5-20 3467 Riverside West side Whitewater Hill, east side Whitewater Wash, northwest end of Coachella Valley north of I-10. 456 Comment
  RSA725800  Physalis greenei Mitch Provance 2004-4-18 7601 Riverside Granitic Knools of Riverside: Riverside, Versity Hill (Coyote Hill), S side of the UCR campus. 418 Comment
  RSA725962  Phytolacca americana A. C. Sanders, T. B. Salvato, Helen Kennedy, Andrea Salzman 2006-11-9 33220 Riverside San Bernardino Valley: Riverside, UCR Botanical Garden, subtropical fruit orchard on the north side of the garden. 335 Comment
  UC1535405  Phytolacca americana Don Domenigoni 1986-4-21 Riverside Hemet, at the Young property Hemet Comment
  CAS-BOT-BC76998  Pilularia americana P. A. Munz 1922-4-29 5087 Riverside 1/2 mile south of Lake Elsinore 381 Comment
  CAS-BOT-BC78596  Pinus flexilis Winifern W. Swarth 1915-9-10 s.n. Riverside Ridge west of Tahquitz Valley (highest point on Strawberry Valley trail), San Jacinto Mts. 2438 Comment
  SD229031  Pinus quadrifolia Dick Schwenkmeyer 2012-3-26 657 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
  UCSB143  Pinus quadrifolia White, Arthur 1960-5-15 Riverside 75 yds. n. of road to Anza, 0.4 mi. w. of its junction with Hwy. 74 Comment
  UCR234223  Plagiobothrys arizonicus A. C. Sanders, John F. Green 2012-3-20 39975 Riverside Peninsular Range; Gavilan Hills Area, hills east of Lake Elsinore, along Hwy 74 near Meadowbrook Ave. 512 Comment
  UCR91856  Plagiobothrys arizonicus A. C. Sanders, S. Hawkins 1996-4-24 18080 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  RSA593882  Plagiobothrys canescens Steve Boyd, Dave Bramlet 1996-4-19 8618 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
  RSA702185  Plagiobothrys canescens Scott D. White, Michael Honer 2004-3-11 9896 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  SD143992  Plagiobothrys canescens A. C. Sanders 1997-3-1 19730 Riverside Box Springs Mountains: Pigeon Pass, canyon below Regulus Road, 0.6 mi. W of Pigeion Pass Rd., 0.4 mi. E of Bench Mark Table (2559 ft.) 609 Comment
  UCR97686  Plagiobothrys canescens A. C. Sanders, G. Helmkamp 1997-3-15 19964 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  OBI53612  Plagiobothrys collinus 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
  UCR120650  Plagiobothrys collinus D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1791 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR58498  Plagiobothrys collinus Jeri Hirshberg 1989-5-2 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW of Mesa de Burro 610 Comment
  UCR97455  Plagiobothrys collinus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19844 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR97723  Plagiobothrys collinus Scott D. White 1997-2-9 4675 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  UC25041  Plagiobothrys collinus var. californicus W. H. Brewer 1861-2-1 157 Riverside se from mines (center Temescal Range); center Temescal Range Comment
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Jul 6 2010
  UCR246654  Plagiobothrys collinus var. californicus A. C. Sanders 2012-3-22 39987 Riverside Peninsular Range; Temescal Valley, foot of Santa Ana Mtns., SE of intersection of Glen Eden Rd. and I-15 Frontage Rd., south of Corona (Lee) Lake 378 Comment
  UCR256760  Plagiobothrys collinus var. fulvescens T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7888 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UC1608292  Plagiobothrys fulvus Steve Boyd and Tim Ross 1992-5-5 7247 Riverside grassland area s Oak Flats (sw of Bluewater Trail); southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 731 Comment
  UCR155053  Plagiobothrys undulatus Jason L. Hlebakos 2005-5-18 700 Riverside Santa Rosa Plateau, Pool on E side of Mesa de Burro, above upper end of Miller Canyon 610 Comment
  RSA761688  Plantago Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 704 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 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
  SD68967  Plantago elongata Robert Thorne, P. A. Munz, E. Lathrop 1968-5-8 37575 Riverside Santa Rosa Plateau: desiccated margin of vernal marsh on Mesa de Colorado, Rancho California; 671 Comment
  UCR102879  Plantago erecta A. C. Sanders 1997-3-26 20129 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  SD262339  Plantago lanceolata T. B. Salvato, Gregg Miller 2005-6-3 1372 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon (Romoland 7.5'Q) 427 Comment
  UCR138767  Plantago lanceolata Scott D. White 1997-5-18 5157 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  UCR256776  Plantago lanceolata T. B. Salvato, Matthew Malle 2013-5-20 7582 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR108724  Plantago ovata Scott D. White, Pam DeVries 1998-2-9 6085 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  SBBG99819  Plantago ovata var. fastigiata W. L. Halvorson 1977-2-15 77 -31 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SD133046  Plantago patagonica Scott White 1991-5-13 91 78 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  CAS-BOT-BC91875  Platystemon californicus H. L. Mason 1926-4-30 3134 Riverside Two miles south of Temecula. Comment
  RSA673719  Platystemon californicus Scott D. White, W. LaHaye 2000-5-27 7946 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA557892  Plectritis ciliosa subsp. insignis Steve D. Boyd, Orlando Mistretta 1992-4-22 6996 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA779690  Pleuraphis rigida Duncan S. Bell 2010-4-2 701 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
  JOTR34386  Pleurocoronis pluriseta Andre, Jim 2012-4-16 20910 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  RSA457772  Pleurocoronis pluriseta Steve Boyd 1988-3-10 2216 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR245676  Pleurocoronis pluriseta Duncan S. Bell 2010-4-2 698 Riverside Sonoran (Colorado) Desert, Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness; 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
  UCR60788  Pleurocoronis pluriseta Steve Boyd, O. Mistretta 1986-3-13 1482 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  VVC571  Poa howellii A. C. Sanders, J. Mac 1997-5-4 20646 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
  SEINET10659373  Poa scabrella Steve Boyd, Timothy S. Ross; Laurel Arnseth; Jaime Bonilla, Barbosa 1990-4-2 Boyd 4023 Riverside Vail lake area, lower slopes of Agua Tibia Mtn., along Hwy 79, E. of USFWS Dripping Springs Guard Sta. Chaparral and oak woodland vegetation burned by Mt. Palomar fire, 1989. 488 Comment
  RSA334887  Poa secunda A. C. Sanders, Steve Boyd 1980-4-17 1340 Riverside Pine Meadow in upper Garner Valley, along Hwy 74, 0.7 mi. E of junction with Hwy 371. 1524 Comment
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Sep 10 2011
  RSA502899  Poa secunda Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  UCR2705  Poa secunda F. M. Reed 1905-4-2 694 Riverside Box Springs Mountain, east of Riverside 549 Comment
  UC77794  Poa secunda subsp. juncifolia Frank W. Gould 1944-4-5 2235 Riverside 17 mi e Temecula (on Hwy 79) Comment
  UC1022815  Poa secunda subsp. secunda Philip A. Munz 15658 Riverside 2 mi n Banning (Indio Blvd); Whitewater Canyon Comment
  UC188893  Poa secunda subsp. secunda F. M. Reed 1905-2-26 671 Riverside 1/8 mi e of Victoria Club House Riverside (bank of Arroyo Tequesquite) Comment
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Jul 30 2006
  UCR241481  Polypodium californicum Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 231 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR59663  Polypodium californicum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2952 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  UCR155828  Polypogon monspeliensis John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  IRVC162  Polystichum imbricans subsp. curtum Lorene Lewton 1965-4-24 HS 552 Riverside Highway 74; 1 mile WSW of Mountain Center. Peninsular Ranges, San Jacinto Mountains Comment
  RSA679172  Polystichum imbricans subsp. curtum Fred M. Roberts 2003-6-25 5953 Riverside Santiago Peak, south slope, Main Divide truck Trail, c.a. 0.1km S Bear Springs. 1219 Comment
  UCR208905  Populus X parryi E. C. Jaeger 1925-3-1 s.n. Riverside San Jacinto Mountains, Snow [Creek] Canyon 457 Comment
  POM50271  Populus fremontii L. R. Abrams 1908-7-21 s.n. Riverside Elsinore. Comment
  SD229278  Populus fremontii subsp. fremontii Dick Schwenkmeyer 2012-10-16 851 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  HSC83831  Potamogeton foliosus R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47291 Riverside Santa Rosa Plateau, Rancho California near junction of road to Santa Rosa Ranch from Tenaja Rd. 549 Comment
  HSC24915  Potentilla gracilis var. fastigiata D. H. Wilken 1965-6-29 371 Riverside Strawberry Meadows, near Idyllwild 1555 Comment
  RSA0013897  Proboscidea althaeifolia Scott D. White, Justin M. Wood 2005-10-4 11235 Riverside San Gorgonio Pass: Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  RSA82485  Proboscidea lutea H. Baer 1922-7-18 s.n. Riverside Near Lake Elsinore. Comment
  JEPS65583  Prosopis glandulosa var. torreyana Marjorie Clary 1934-5-14 Riverside Coachella Comment
  RSA86976  Prosopis pubescens F. W. Peirson 1920-12-29 2338 Riverside Andreas Canyon near Palm Springs 244 Comment
  UC453990  Prunus emarginata I. J. Condit 1910-6-22 Riverside Tahquitz Camp, San Jacinto Mountains Tahquitz Camp; San Jacinto Mountains, Tahquitz Camp 2438 Comment
  LA208120  Prunus fasciculata N. Dunn; A. M. Martin 1932-3-27 sn Riverside Cottonwood Spring Comment
  UC668374  Prunus fasciculata Annie M. Alexander and Louise Kellogg 1941-4-24 2075 Riverside Morongo Valley, Dry Morongo Creek Dry Morongo Creek; Morongo Valley, Dry Morongo Creek 640 Comment
  UC1010231  Prunus fremontii John and Lucille Roos 1953-3-21 5908 Riverside S of Palm Springs (Andreas Canyon, mouth of) 274 Comment
  UCR35156  Prunus fremontii L. B. Ziegler 1969-4-9 340 Riverside San Jacinto Mtns., Pinyon Flats. Near Palm Canyon Drive 1250 Comment
  POM48352  Prunus virginiana var. demissa Philip A. Munz, I. M. Johnston 1924-7-29 8867 Riverside San Gorgonio Canyon, North of Banning 1372 Comment
  RSA714376  Prunus virginiana var. demissa T. B. Salvato, John Green 2004-5-27 606 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  CAS-BOT-BC356331  Psathyrotes ramosissima Philip A. Munz 1940-3-23 15670 Riverside South base of Pinto Mts., road Dale to Cottonwood Springs 609 Comment
  POM13888  Psathyrotes ramosissima P. A. Munz, D. D. Keck 1922-4-9 4818 Riverside Shavers Well, near Mecca. 76 Comment
  RSA472309  Psathyrotes ramosissima Christopher Davidson 1979-4-4 7681 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  RSA472314  Psathyrotes ramosissima M. B. Dunkle 1933-3-4 3035 Riverside Painted Canyon, Colorado Desert. 30 Comment
  UC1176850  Psathyrotes ramosissima Lewis S. Rose 1959-1-12 59010 Riverside Cathedral City 121 Comment
  UC829342  Psathyrotes ramosissima Lewis S. Rose 1938-12-19 38326 Riverside 6 mi s Cathedral City 45 Comment
  UCD135050  Pseudognaphalium biolettii A. C. Sanders; G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19895 Riverside Lake Skinner area: upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley. 595 Comment
  CAS-BOT-BC357228  Pseudognaphalium microcephalum Wesley Griesel 1962-9-8 s.n. Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  IRVC2826  Pseudotsuga macrocarpa T. Baskin 1965-4-21 s.n. Riverside Upper camp; Route 71. Comment
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Mar 27 2014
  RSA1136  Pseudotsuga macrocarpa J. T. Howell 1928-7-8 1054 Riverside Santa Ana Mountains above Glen Ivy 1524 Comment
  CLARK-A1528-2069  Psilocarphus brevissimus John C. Roos 1952-4-30 5601 Riverside Edgemont 487 Comment
  CAS-BOT-BC346363  Psorothamnus Marcus E. A M Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  CAS-BOT-BC353589  Psorothamnus arborescens var. simplicifolius Annie M. Alexander; Louise Kellogg 1941-5-22 2217 Riverside 1.5 miles north of Cottonwood Spring, Eagle Mountains, Colorado Desert 975 Comment
  UCR4658  Psorothamnus arborescens var. simplicifolius Frank C. Vasek 1958-6-13 s.n. Riverside San Jacinto Mtns., lower end of Bautista Canyon Comment
  LA205192  Psorothamnus emoryi Louis Wheeler; 1931-11-26 392 Riverside Salton Sea 2 mi. SE Salton Bench Mark -67 Comment
  OBI13262  Psorothamnus emoryi Robert F. Hoover 1966-10-15 10158 Riverside Dead Indian Crk wash, S of Palm Desert Comment
  UCR25855  Psorothamnus emoryi John C. Roos, Lucille Roos 1949-4-6 4139 Riverside Sonoran (Colorado) Desert, east of Mecca Comment
  UCD108349  Psorothamnus fremontii R. L. Smith 1960-4-15 8 Riverside 15 miles north of Palm Springs. Comment
  POM295543  Psorothamnus schottii Lyman D. Benson 1979-3-28 13575 Riverside Was at E end of PInes to Palms Hwy just above junction of palm springs- indio road. 305 Comment
  CAS-BOT-BC340951  Psorothamnus spinosus Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  CAS-BOT-BC340962  Psorothamnus spinosus Howard Scott Gentry 1938-7-6 3789 Riverside Coachella Valley Comment
  RSA623940  Psorothamnus spinosus Raymond J. Dobbs 1927-3-30 s.n. Riverside Near Palm Springs. Comment
  UCSB3067  Psorothamnus spinosus DeWitt, Jack 1959-5-19 Riverside One mile S on Cathedral City on road to Palm Springs from Palm Desert Comment
  SBBG34287  Pteridium aquilinum var. pubescens M. Lewis 1947-8-26 18 Riverside San Jacinto Mtns 1981 Comment
  CAS-BOT-BC421260  Pterostegia drymarioides John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges: City of Temecula, immediately N and S of Murrieta Hot Springs Rd. along San Diego Aqueduct right-of-way. 396 Comment
  CLARK-A1528-5208  Pterostegia drymarioides John C. Roos 1952-3-19 5397 Riverside Box Springs Mountains Comment
  POM209228  Pterostegia drymarioides S. G. Stokes 1934-7-1 313 Riverside San Jacinto Mountains 1067 Comment
  UC534897  Pterostegia drymarioides Susan G. Stokes 1934-7-1 313 Riverside San Jacinto Mt. 1066 Comment
  UCD170873  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  SBBG84104  Quercus X morehus J. Farmer 1986-9-20 Riverside Hwy 243, 2-3 mi S of Idyllwild and 2-3 mi N of Mountain Center 1584 Comment
  UCSB7049  Quercus X morehus Riverside Banning Road, Mt. San Jacinto 1432 Comment
  SD193294  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31559 Riverside Valley Hi County Park off Highway 243 and Twin Pines road at McMullen Flat. 1189 Comment
  RSA78297A  Quercus agrifolia var. agrifolia P. A. Munz, E. K. Balls 1952-8-21 17994 -A Riverside on dry granitic flat, Southern Oak Woodland, 1 mi. w. of Popppet Flat, Banning-Idyllwild Rd. 1220 Comment
  RSA78297B  Quercus agrifolia var. oxyadenia P. A. Munz, E. K. Balls 1952-8-21 17994 -B Riverside on dry granitic flat, Southern Oak Woodland, 1 mi. w. of Popppet Flat, Banning-Idyllwild Rd. 1220 Comment
  RSA748221  Quercus berberidifolia T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 112 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  UC64103  Quercus berberidifolia H. M. Hall 1901-8-6 2644 Riverside Canyon of the San Jacinto River San Jacinto Mountains 1066 Comment
  UCD59759  Quercus berberidifolia A. C. Sanders 2004-4-20 27523 Riverside Santa Ana Mtns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego county line. 640 Comment
  UCR149943  Quercus berberidifolia Scott D. White 2004-10-8 10775 Riverside Peninsular Ranges, 'Black Hills,' southeast of Lake Skinner and north of Oak Mountain 640 Comment
  UCR182502  Quercus berberidifolia Andrea Salzman, Ricky Escobar, et al 2006-4-10 44 Riverside Peninsular Range, Agua Tibia Wilderness at Arroyo Seco, c. 0.5 mi. south of Dripping Springs Guard Station 518 Comment
  UCR250405  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 2 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  SEINET10891639  Quercus dumosa Greg Gust, Leith Nye 2005-3-12 Gust 555 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  CLARK-A1528-2921  Quercus dunnii John C. Roos 1956-9-14 3016 Riverside San Jacinto Mountains 1371 Comment
  UC848095  Quercus kelloggii P. A. Munz 1922-7-2 5943 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  UCR111513  Quercus palmeri A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22279 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  RSA263739  Quercus wislizeni var. frutescens E. W. Lathrop 1968-5-22 6904 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR262389  Quercus wislizeni var. frutescens Tom Scott 2011-1 2011- 565 Riverside San Bernardino Mtns., south side of mountains in Banning Canyon, USFS Road 2S01, c. 1 mile north of locked gate at Bluff St. 1003 Comment
  UCSB34692  Quercus wislizeni var. frutescens Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 15.5 mi northwest of Idyllwild on Calif. Hwy 243; San Jacinto Mtns Comment
  SBBG93121  Rafinesquia californica D. Mitchell 1990-4-30 Riverside W side of Sage Rd, ca. 0.5 mi S of intersection with Wilson Valley Rd 701 Comment
  SEINET273103  Rafinesquia californica G. K. Helmkamp, A. C. Sanders 1997-3-15 1486 Riverside Skinner Lake 488 Comment
  UCR89850  Rafinesquia californica Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3321 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
  UCR233701  Rafinesquia neomexicana Duncan S. Bell 2010-5-1 891 Riverside Sonoran (Colorado) Desert, Arica Mountains, c. 10.5 air miles SW of Rice, c. 2.6 air miles S of the junction of Hwy 62 and the aqueduct access road 291 Comment
  UCR84839  Rafinesquia neomexicana A. C. Sanders, K. Rose, D. Woodard 1995-3-15 16135 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  SDSU10095  Ranunculus aquatilis H. Wedberg 1963-5-26 1070 Riverside On the Banning to Idyllwild Road, San Jacinto Mtns. 1631 Comment
  CAS-BOT-BC378984  Ranunculus aquatilis var. diffusus P. A. Munz 1922-4-28 5022 Riverside 5 mi northwest of Corona in small branch of Chino Creek 229 Comment
  CAS-BOT-BC378493  Ranunculus californicus var. californicus Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  UC9423  Ranunculus cymbalaria var. saximontanus H. M. Hall June 1901 2169 Riverside Thomas Valley San Jacinto Mountains (pond) 1371 Comment
  CLARK-A1528-3907  Rhamnus crocea JOhn C. Roos 1952-2-29 5378 Riverside Reche Canyon 457 Comment
  UC592847  Rhamnus crocea B. D. Stark 1933-2-19 Riverside 2.5 mi e Nuevo 457 Comment
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Jan 2 2015
  UCR22035  Rhamnus crocea Steve Boyd 1980-5-11 247 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  CAS-BOT-BC56051  Rhamnus ilicifolia H. M. Hall 1901-6-1 2017 Riverside Canyon of the San Jacinto River Comment
  RSA628256  Rhamnus ilicifolia B. Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns: San Bernardino National Forest, Catus Spring Trail, where trail crosses Horsethief Creek. 1341 Comment
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Mar 1 2014
  RSA496734  Rhamnus ilicifolia B. Pitzer, A. C. Sanders 1987-4-21 494 Riverside Box Springs Mtns, near southernmost radio towers 793 Comment
  POM17819  Rhamnus tomentella subsp. cuspidata P. A. Munz, D. D. Keck 1923-6-14 7081 Riverside Santiago peak, Santa Ana Mountains. 1616 Comment
  RSA249845  Rhododendron occidentale R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38120 Riverside San Bernardino National Forest, San Jacinto Mountains; Above and in James Reserve 1677 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
  RSA2102  Rhus ovata Ernest Braunton 1929-3-3 1026 Riverside Morongo Pass. 152 Comment
  RSA386390  Rhus ovata N. C. Cooper 1947-4-5 2029 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA771757  Rhus ovata Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4634 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD229048  Rhus ovata Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 892 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  UCR3294  Rhus ovata T. R. Plumb 1964-4-11 s.n. Riverside San Jacinto Mtns, North Mountain [=Mt. Edna?], Old Banning-Idyllwild Rd., 1/4 [mi.] south of Wolfskill Extension 945 Comment
  RSA543125  Rhus trilobata Steve Boyd 1991-3-17 5473 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SD212450  Rhus trilobata T. B. Salvato 2004-5-27 593 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  IRVC9268  Rhus trilobata var. quinata B. T. Gittins 1966-5-1 1248 Riverside 6 miles W of Murietta; roadside. Santa Ana Mountains Comment
  UC1127366  Ribes amarum A. Lewis Mar 1934 352 Riverside Sugarloaf Peak Cleveland National Forest, Corona Quadrangle 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
  UC858444  Ribes cereum P. A. Munz 1922-6-28 5878 Riverside ridge w Toro Peak; Santa Rosa Mts. 2407 Comment
  SEINET238554 Image available Ribes cereum var. cereum George K. Helmkamp 1998-6-27 4127 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  RSA612841  Ribes indecorum D. L. Banks 1997-3-1 1375 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  UCR135830  Ribes indecorum A. C. Sanders 2004-4-20 27555 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  RSA221080  Ribes malvaceum var. viridifolium E. W. Lathrop 1966-5-8 6424 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCD102356  Ribes malvaceum var. viridifolium F. R. Lawson 1930-3-2 s.n. Riverside Riverside. Comment
  RSA651710  Ribes nevadense Diane M. Ramirez 1983-5-1 3 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Near Peach Tree Spring stream at Oak Flat. Comment
  SD128273  Ribes nevadense R. Mitchel Beauchamp 1971-5-15 2422 Riverside San Jacinto Moutains Black Mountain Campground Comment
  RSA0028174  Ribes roezlii John F. Emmel 1988-5-21 1090 Riverside San Jacinto Mts.; Thomas Mountain, along road ca. 0.3 air mile WNW of Thomas Mountain Campground. 152 Comment
  RSA315  Romneya coulteri J. T. Howell 1928-7-7 1036 Riverside Santa Ana Mts. above Glen Ivy. 610 Comment
  UCR217533  Romneya coulteri Diane Menuz 2009-5-4 490 Riverside Peninsular Range, Estelle Mtn., c. 1.52 km east of Hwy. 15, c. 2.10 km south of Cajalco Rd., north of Olsen Canyon 382 Comment
  UCR172286  Rorippa nasturtium-aquaticum John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR241189  Rosa californica Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 499 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR151033  Rubus parviflorus Scott D. White 1998-7-31 6939 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  UCR241235  Rubus ursinus Tracy Tennant, Jeffrey Ross 1998-7-30 MOR- 681 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon below the road fork 854 Comment
  UCR25086  Rumex acetosella A. C. Sanders 1980-7-22 1720 Riverside San Jacinto Mtns, Dutchman's Flat in Bear Trap Canyon about 1 mi (airline) west of Idyllwild. Between Hwy 243 and Foster Lake 1814 Comment
  UCSB25047  Rumex acetosella Thoe, J. 1966-3-19 Riverside South of Esperanza Rd. 1 mile east of Broadway in Cabazon, San Jacinto Mts. 609 Comment
  RSA507469  Rumex acetosella Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, Garner ranch Property on Hwy 74, less than 1 mile SE of the jct. with Hwy 243 Comment
  SD122869  Rumex conglomeratus Steve Boyd 1985-7-23 1005 Riverside De Luz Rd., 5.5 mi. west of Rancho California. 395 Comment
  JOTR32378  Rumex crispus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2489 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UCR89644  Rumex obtusifolius Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  POM316525  Rumex salicifolius M. French Gilman 1934-7-8 s.n. Riverside San Jacinto Mountains Comment
  RSA502183  Rumex salicifolius var. mexicanus Steve Boyd, Tim S. Ross, Laurel Arsneth 1989-6-11 3709 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  UCR263463  Sagina A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35586 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, above mapped spring 1524 Comment
  UCR157941  Sagina apetala T. B. Salvato, A. C. Sanders 2005-5-17 923 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
  UCR150986  Sagina saginoides L. C. Wheeler 1961-6-20 7894 Riverside Peninsular Ranges; San Jacinto Mtns., W fork of Tahquitz Creek 2378 Comment
  UCR425  Salix exigua P. A. Rauch 1968-2-22 s.n. Riverside San Bernardino Mtns., Cottonwood Canyon 915 Comment
  UC846449  Salix exigua var. hindsiana P. A. Munz and I. M. Johnston 1922-5-7 5270 Riverside Keyes Ranch along small stream Keyes Ranch; Little San Bernardino Mts. 1066 Comment
  CAS-BOT-BC108102  Salix gooddingii Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  SD137624  Salix gooddingii Darin L. Banks, Steve Boyd 1995-4-5 141 Riverside Cleveland National Forest, N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail. 658 Comment
  POM295748  Salix laevigata Lyman D. Benson 1946-4-15 12046 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  RSA191446  Salix laevigata E. W. Lathrop, Robert F. Thorne 1967-9-26 6633 Riverside 6 miles NW of Murrieta. Comment
  UCR231752  Salix laevigata John F. Green 2008-4-21 02- 08 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  RSA586840  Salsola tragus D. L. Banks, Peter Morrell 1995-5-4 307 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 622 Comment
  RSA501031  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3151 Riverside Agua Tibia Mountains. Vail Lake area, recent burn in hills just to SW of the dam. 487 Comment
  UC1537501  Saltugilia australis Gordon H. True Jr. 1935-3-19 131 Riverside 6 mi se Perris; se of Perris 487 Comment
  UCR165399  Saltugilia australis A. C. Sanders, D. Malueg 2003-5-8 26573 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  SDSU12262  Salvia apiana Jeremy Mass, Ryan Jacobsen 2000-4-19 8 Riverside Roadside along Stone Creek near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  POM7001  Salvia carduacea P. A. Munz, L. T. Street, G. Williams 1919-3-28 2459 Riverside Palm Springs. 701 Comment
  UCR37198  Salvia carduacea R. A. Fawcett 1938-4-29 s.n. Riverside E of Cajalco Reservoir [=Lake Mathews] Comment
  RSA651682  Salvia columbariae Marion P. Harthill 1971-3-19 34 Riverside Palm Desert. Comment
  SD137721  Salvia columbariae Darin L Banks 1995-4-5 133 Riverside Cleveland Nat Forest, Agua Tibia Wilderness area, N Slope of Agua Tibia Mt. E of Dripping Springs Alcove, along Dripping Springs Trail 609 Comment
  UCR224449  Salvia columbariae Steve Boyd, Susan Jett 2008-3-20 11828 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UCR245255  Salvia columbariae Jim Andre 2012-3-19 21295 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
  UCR35340  Salvia columbariae L. B. Ziegler 1968-5-7 285 Riverside San Jacinto Mtns, near mouth of Bautista Canyon, foothills of San Jacinto Mtns. 612 Comment
  UCR72203  Salvia columbariae Theo Glenn 1992-3-31 92- 6 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  RSA0026298  Salvia columbariae John F. Emmel 1991-4-28 1168 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  UC1287000  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 0.25 mi w Aguanga Comment
  UCR121650  Salvia mellifera A. C. Sanders, Kent Beaman 2002-5-10 25046 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  UCR121888  Salvia mellifera Ian G. Gillespie 2001-5-15 90 Riverside Lake Skinner, Perris Plain Area Comment
  SEINET13947547 Image available Salvia mellifera S. Lambert 1981-1 1931 Riverside San Bernadino National Forest, along hwy 74 9.4 mi W of mountain Center, 2200 ft alt. 671 Comment
  CAS-BOT-BC224850  Salvia pachyphylla Victor Duran 1933-7-1 3490 Riverside Near Vandeventer Flat, Santa Rosa Mts. 1676 Comment
  RSA640158  Salvia vaseyi Louis C. Wheeler 1955-6-16 7160 Riverside Palm to Pines Highway: at culvert P5.53 610 Comment
  UCR88432  Salvia vaseyi A. C. Sanders, K. C. Rose 1995-4-5 16346 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  CSUSB692  Sambucus mexicana Becky Alejandre 1970-5-7 8 Riverside Santa Ana River bottom in [city of] Riverside. Approximately 400 feet from Fairmount Park to the west. 408 Comment
  RSA716255  Sambucus mexicana Scott D. White, Angelia Carey 2004-4-5 10009 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA612699  Sanicula arguta D. L. Banks 1997-3-29 1599 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
  RSA563899  Sanicula bipinnatifida Scott D. White 1993-4-20 1219 Riverside Ridge SE of Estelle Peak, Gavilan Hills. 793 Comment
  UCR48482  Sanicula bipinnatifida Steve Boyd 1986-4-2 1582 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  CLARK-A1528-1453  Sanicula tuberosa John C. Roos 1950-4-22 4755 Riverside Reche Canyon 761 Comment
  JEPS27436  Sarcostemma cynanchoides subsp. hartwegii W. L. Jepson 1901-5-22 1393 a Riverside Palm Canyon of Mt. San Jacinto; , Palm Canyon Comment
  UCR163082  Sarcostemma hirtellum B. G. Pitzer 2000-5-7 4139 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  RSA674759  Schedonorus arundinaceus Scott D. White, Teresa Salvato 2001-6-8 8571 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR90971  Schinus molle Scott D. White 1996-2-18 3810 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  UCR40932  Schinus polygamus A. Kelly 1985-1 s.n. Riverside Riverside, yard at 4081 Glenwood, l block north of 14th Street. Comment
  RSA0110188  Schismus barbatus Duncan S. Bell 2010-4-2 709 A Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  RSA776352  Schismus barbatus Duncan S. Bell, Amanda Turek 2010-4-10 802 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA793417  Schismus barbatus Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3946 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  UC1546999  Schismus barbatus Leila M. Shultz, John S. Shultz 1985-4-17 8299 Riverside n of Blythe (Palo Verde Valley, at the s extension of the Big Maria Mountains); Big Maria Mountains, Palo Verde Valley 91 Comment
  RSA652886  Schoenoplectus californicus John Wallace 1991-5-8 22 Riverside Colorado River. Comment
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Aug 13 2015
  RSA737274  Scirpus acutus var. occidentalis Justin M. Wood 2008-9-22 151 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CAS-BOT-BC111019  Scirpus microcarpus Earl W. Lathrop 1965-5-7 57156 Riverside 5 miles SW of Murrieta on the DeLuz road Comment
  UCR130866  Scrophularia californica subsp. floribunda Mitch Provance 1998-6-10 634 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  CAS-BOT-BC214224  Scutellaria bolanderi subsp. austromontana A. C. Sanders; Mitch Provance 2008-7-11 35803 Riverside 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, Peninsular Range, San Jacinto Mtns. 1474 Comment
  RSA445338  Scutellaria siphocampyloides Christopher Davidson 1978-6-15 7389 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  SEINET270116  Scutellaria tuberosa Steve Boyd, Tim Ross 1992-5-4 7187 Riverside San Mateo Canyon Wilderness Area ; Southern Santa Ana Mountains. Oak Flats area east of Verdugo Portero 732 Comment
  RSA206254  Sedum niveum Reid V. Moran 1968-8-3 15346 Riverside 1 mile NW of Toro Peak. 2250 Comment
  IRVC3585  Selaginella bigelovii R. H. Whittaker, W. A. Niering 1963-5-28 SJ 41 Riverside Mountain Center to Hemet Hwy. Peninsular Ranges, San Jacinto Mountains 884 Comment
  RSA85942  Selaginella bigelovii Frank W. Peirson 1921-3-22 s.n. Riverside Murray Canyon, near Palm Springs 487 Comment
  SD138963  Selaginella bigelovii Craig Reiser 1993-3-19 Riverside Near Highway 62 west of Morongo Valley Comment
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Feb 29 2008
  UCR91560  Selaginella bigelovii A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15908 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  UC527694  Senecio flaccidus var. douglasii C. B. Wolf 1931-10-14 2461 Riverside roadside at Cabezon; San Gorgonio Pass 518 Comment
  UC575074  Senecio flaccidus var. douglasii C. Epling, Wm. Robison 1933-6-24 Riverside near Banning; Little San Bernardino Mts., San Gorgonio Wash Comment
  UCR280983  Senecio flaccidus var. douglasii Mitch Provance 2017-5-25 517- 66 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  UC68965  Senecio flaccidus var. monoensis H. M. Hall May 1905 6247 Riverside Cottonwood Pass Colorado Desert 609 Comment
  RSA0025284  Senecio mohavensis J. Andre 2013-3-4 23874 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  UCR218472  Senecio mohavensis Jim Andre, T. La Doux 2009-3-10 11249 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
  RSA673503  Senecio vulgaris Scott D. White, Sandy Leatherman 2000-4-19 7670 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  UCR90366  Senecio vulgaris Scott D. White 1995-6-30 3423 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  SBBG112480  Senna armata C. Bornstein 1994-5-2 Riverside Randolph Ranch, Joshua Tree Nat Monument 1280 Comment
  UCR122744  Senna covesii George K. Helmkamp, E. A. Helmkamp 1998-4-24 3378 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  UCR213854  Sequoia sempervirens Scott D. White, Justin M. Wood 2009-5-22 12922 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  RSA0031606  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009 -1 Riverside NW. San Jacinto Mtns., ne. of HW 243 ca. 16 highway km nw. of Idyllwild, in the s. unit of the San Bernardino National Forest, on sw. flank of Black Mtn. Just left (as ascending) of Black Mountain Trail on slope by large trunk lying across trail, at the, head of Hall Canyon. 2036 Comment
  CLARK-A1528-5039  Setaria verticillata John C. Roos 1952-5-14 5660 Riverside Riverside 304 Comment
  CLARK-A1528-619  Sidalcea malviflora subsp. malviflora Charlotte Stocks 1962-5-23 Riverside San Jacinto Mountains Comment
  POM220874  Sidalcea malviflora subsp. sparsifolia P. A. Munz 1941-5-18 16656 Riverside North end of Santa Rosa Ranch, Elsinore Mts. Comment
  RSA561060  Silene antirrhina Steve Boyd, Timothy S. Ross, D. E. Bramlet 1993-5-12 7353 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  SD148189  Silene multinervia A. C. Sanders, Steven R. Hill 2001-5-4 24130 Riverside West of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Road at Avenida del Oro (to Sandia Creek Dr.), east side of 487 Comment
  CAS-BOT-BC389584  Silene parishii P. A. Munz; E. K. Balls 1952-8-21 17977 Riverside Santa Rosa Spring, Santa Rosa Mts. 2133 Comment
  CAS-BOT-BC389585  Silene parishii Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  UCR25035  Silene verecunda A. C. Sanders 1980-7-18 1646 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  JEPS40195  Simmondsia chinensis W. L. Jepson 1359 Riverside Palm Canyon of San Jacinto to Van de Venter's Ranch; Palm Canyon of San Jacinto Comment
  LA93939  Simmondsia chinensis A. L. Grant; 1932-5-7 149 Riverside Santa Rosa Mountains, Martinez Canyon Comment
  UC218089  Simmondsia chinensis P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4784 Riverside vicinity Corn Springs (Chuckwalla Mountains); Colorado Desert, Chuckwalla Mountains 457 Comment
  UCSB52657  Simmondsia chinensis Thorne, Robert 1978-4-23 Riverside PALMS TO PINES HIGHWAY: Along highway. Comment
  SDSU14023  Sisymbrium altissimum Kimberly O'Connor 2000-4-29 23 Riverside Santa Margarita Ecological Reserve (SMER), research station at north side of reserve, ca. 2.75 miles northeast of Gavilan Mtn. 351 Comment
  UCSB27760  Sisymbrium irio Taylor, P. 1975-3-24 Riverside Bluff behind residence of 5431 Pinehurst Dr., Riverside 259 Comment