Search Results — 2000 specimen records retrieved (1887 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/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
  SD229022  Abies concolor Dick Schwenkmeyer 2012-8-7 787 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  CAS-BOT-BC229341  Abronia villosa Peter H. Raven; S. R. Snow 1956-6-30 9524 Riverside 1.3 miles n. of Alberhill on road to Corona Comment
  CAS-BOT-BC229362  Abronia villosa John Thomas Howell 1928-3-11 3429 Riverside Six miles south-east of Garnet Station, Coachella Valley, Colorado Desert Comment
  CSUSB1083  Abronia villosa Heather Hanson 1966-5-12 s.n. Riverside found in field 50 yards south of roadside. Highway 74 from Hemet to Idyllwild. 609 Comment
  HSC16144  Abronia villosa J. J. Wagoner 1965-4-12 30 Riverside 8 mi. NE of Palm Springs in Whitewater Canyon Comment
  UCR148457  Abronia villosa S. J. Myers 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 8 miles (3.5 air line) east of North Shore along Coachella Canal right-of-way, NW of Rancho Dos Palmas 24 Comment
  RSA0009283  Abronia villosa var. aurita Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 6 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  UCR122529  Abronia villosa var. aurita George K. Helmkamp, E. A. Helmkamp 2001-5-20 6682 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 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
  UCR280972  Abronia villosa var. aurita Mitch Provance 2017-4-12 417- 78 Riverside Temescal Valley, South of the I-15, south side of Temescal Canyon Rd., vicinity of small bridge 0.8 mi W of Lake St., 0.3 mi E of Hostettler Rd. 372 Comment
  CHSC100690  Abronia villosa var. villosa Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1420 Riverside Colorado Desert; Northeastern Colorado Desert region: Along Palen Road near Hwy 177. 170 Comment
  RSA779627  Abronia villosa var. villosa Duncan S. Bell 2010-4-1 661 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  SEINET7048020  Abronia villosa var. villosa Steven R. Hill, Kate Kramer 2001-4-27 33489 Riverside North side of Route I-10, west side of Coachella Canal, about 0.1-0.2 mile north of interstate highway, 3 miles east of Indio. Elevation about 31 feet. Comment
  RSA0127852  Abronia villosa var. villosa G. Rink 2013-3-20 11901 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  LA202925  Acamptopappus sphaerocephalus Elizabeth McClintock; 1936-4-11 sn Riverside Pines to Palms Highway Comment
  RSA696775  Acamptopappus sphaerocephalus W. Blanchard 1932-4-16 s.n. Riverside Palm Spring Station. Comment
  RSA263609  Acer macrophyllum E. W. Lathrop 1968-3-22 6917 Riverside Main Divide Truck, trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1220 Comment
Read comments
Apr 28 2011
  OBI32776  Acer negundo F. C. Vasek 1964-7-26 640726 -1 Riverside 2 mi N of Kenworthy Ranger Station Comment
  SEINET4692081 Image available Achnatherum coronatum Steve Boyd, Tim Ross 1991-1 6370 Riverside Warm Springs Creek at the NE end of Hogbacks ridge, from Alamos Rd. S to confluence w/Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  CAS-BOT-BC260328  Achnatherum hymenoides Marcus E. Jones 1903-5-11 s.n. Riverside Colorado Desert. Whitewater, about station 304 Comment
  POM365982  Achnatherum hymenoides N. C. Cooper 1945-3-24 1615 Riverside Cabazon. 457 Comment
  RSA697715  Achnatherum hymenoides J. Russell Bruff 1921-3-12 36 Riverside Whitewater. Comment
  RSA770885  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4588 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCD50439  Achnatherum hymenoides F. M. Reed 1921-3-19 5671 Riverside California, Riverside County. Salt Creek Wash, Colorado Desert. east of Mecca. 213 Comment
  RSA718876  Achyronychia cooperi Michael Honer, L. Hulse 2005-3-7 2029 Riverside Little San Bernardino Mountains region: Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  UCR100863  Achyronychia cooperi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2690 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR126431  Achyronychia cooperi T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 56 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  UCSB1845  Achyronychia cooperi Kamb, Peter 1948-4-11 Riverside Lower Sonoran Zone; Aqueduct Road 5 mi. east of Garnet; Coachella Valley 304 Comment
  SEINET12558045 Image available Achyronychia cooperi Mary F. Spencer 1920-1 1436 Riverside Palm Springs, Colorado Desert 122 Comment
  SD255718  Acmispon glaber var. brevialatus Mitch Provance 2012-5-24 512 12 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. (Beaumont 7.5'Q) 868 Comment
  UCR281573  Acmispon heermannii Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 84 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd. at intersection with Temescal Hills Rd. 309 Comment
  UCSB26910  Acmispon heermannii Wilken, Dieter 1969-6-30 Riverside Dark Canyon, along County Road Rl, 7.0 miles north of Idyllwild, San Jacinto Mtns. Comment
  SD137774  Acmispon wrangelianus Darin L. Banks, Steve Boyd 1995-5-9 319 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Srpings Alcove area, W of Woodchuck Campground. 730 Comment
  RSA220969  Acourtia microcephala E. W. Lathrop 1966-5-8 6507 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  SEINET3077253 Image available Adenostoma fasciculatum B. Pitzer 1986-5-24 231 Riverside Whitewater Canyon, ca. 5 mi N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 0.25 mi N of hatchery boundary. 732 Comment
  UCR242668  Adenostoma fasciculatum A. C. Sanders 2013-7-6 40843 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE side of town near south end of South Ridge, near junction of Tahquitz View Dr. and FS Rd. 5S11 1784 Comment
  CAS-BOT-BC139873  Adenostoma sparsifolium H. S. Gentry 1954-7-25 14250 Riverside Dripping Springs along route 79 Comment
  CLARK-A1528-806  Adenostoma sparsifolium Richard A. Minnich 1968-4-14 12 Riverside San Jacinto Mountains 1341 Comment
  HSC99955  Adenostoma sparsifolium J. P. Smith, & J. O. Sawyer 2011-6-9 13202 Riverside 1470 Comment
  SBBG34258  Adiantum aleuticum M. Lewis 1947-8-26 22 Riverside Dark Cyn 1981 Comment
  RSA263774  Adiantum capillus-veneris R. Weatherby 1950-5-18 2965 Riverside Gypsum mine, Hagador canyon 487 Comment
  SEINET5641183  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28520 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 759 Comment
  SEINET5641186  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28527 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1234 Comment
  UC489012  Agnorhiza ovata C. V. Meyer 1929-6-18 783 Riverside Hemet Valley San Jacinto Mts. 1341 Comment
  RSA0013039  Agoseris heterophylla var. heterophylla LeRoy Gross, Caitlin Elam 2013-5-14 6043 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCD52436  Agrostis exarata August L. Hormay 1932-8-8 s.n. Riverside Tahquitz Valley. Comment
Read comments
Sep 8 2011
  UCR114744  Ailanthus altissima A. C. Sanders, K. C. Rose 1999-6-18 22801 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  RSA0026136  Allionia incarnata Deidre Conocchioli, Caitlin Elam 2013-10-2 76 Riverside SW of Bristol Mtns Wilderness Area. From Blythe, head northwest on the Mildland-Rice Rd for 9.6 miles. Turn right onto unmarked BLM Rd and follow NE for 1.6 miles to collection site. 307 Comment
  SEINET3092215 Image available Allionia incarnata Barbara Gayle Pitzer 1998-2-1 3437 Riverside Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed. 427 Comment
  SFV17337  Allionia incarnata J. D. Dilley, J. N. Hogue 108.20 1998-4-23 276 Riverside Sonoran Desert Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UC851825  Allionia incarnata Ivan Johnston 1917-4-4 Riverside Colorado Desert, at mouth of Palm Canyon Palm Canyon; Colorado Desert, Palm Canyon 228 Comment
  UCR90327  Allionia incarnata Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  UCR21298  Allium burlewii A. C. Sanders, K. Berg 1980-5-1 1347 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  POM20485  Allium cratericola Philip A. Munz, I. M. Johnston 1922-5-21 5512 Riverside Kenworthy, San Jacinto Mountains. 1418 Comment
  RSA70224  Allium haematochiton F. W. Peirson 1919-4-14 1652 Riverside Murray Canyon, Palm Springs Region. 457 Comment
  UCR133190  Allium haematochiton J. M. Stewart 1999-4-25 s.n. Riverside San Jacinto Mtns., canyon above Palm Springs Comment
  SEINET12049414  Allium hyalinum B. C. Templeton 1930-1 1484 Riverside N of Gavilan[????]? 550 Comment
  RSA543579  Allium lacunosum var. lacunosum Steve Boyd 1991-5-7 6161 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  SBBG122759  Allium munzii A. Parikh 1990-4-23 153 Riverside E of Gavilan Pk, S of Harford Sprinkg Co Park, 0.1 km S of Ida Leona Rd, 0.9 km E of Gavilan Rd 625 Comment
  UCR63945  Allium munzii D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1784 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  CLARK-A1528-3074  Allium peninsulare Sue Damon 1981-5-19 20 Riverside Box Springs Mountains 731 Comment
  UCSB38380  Allium praecox Minnich, John 1964-2-29 Riverside Sycamore Canyon, 1/4 mi. off Canyon Crest Drive about 1 mi. south of Pennsylvania Ave.; found about 1/2 mi. above mouth of canyon 365 Comment
  UCR133100  Allium roseum A. C. Sanders 1999-4-28 22709 B Riverside Riverside, UCR Botanic garden 351 Comment
  UCR138611  Alnus rhombifolia D. L. Banks 1996-11-7 1189 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, c. 200 m NW of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 457 Comment
  UCR234767  Alnus rhombifolia A. C. Sanders, John F. Green 2012-6-25 40309 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15 377 Comment
  UCR215451  Aloysia wrightii Jim Andre, T. La Doux 2008-9-16 10685 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  JOTR32461  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2606 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
  SD175786  Amaranthus albus D. G. Kelch 2006-12-8 06 523 Riverside Santa Rosa Plateau, roadside. Comment
  UCR23200  Amaranthus albus S. Gallager 1981-6-1 26 Riverside Riverside, Intersection of Serpentine Rd. & Palmyrita Ave, SE corner, Box Springs Mtns area 306 Comment
  UCR125287  Amaranthus blitoides A. C. Sanders 2002-11-21 25638 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UCR272670  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7579 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, hillside along Dunn Road, between Asbestos Mountain and Haystack Mountain, ENE of Potrero Spring 1220 Comment
  UCR272673  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7584 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, along Carrizo Road just north of Hwy 74 1053 Comment
  RSA711758  Amaranthus retroflexus B. L. Phillips 1994-9-12 s.n. Riverside A weed on the UCR campus at the community vegetable gardens at the NE corner of the intersection of Canyon Crest Dr. and M.L. King Blvd. (=Pennsylvania Avenue). Comment
  SD67913  Amauriopsis dissecta Reid Moran 1968-8-3 15362 Riverside Ridge, 1 mile northwest of Toro Peak. 2250 Comment
  SFV17215  Ambrosia acanthicarpa J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  CAS-BOT-BC22584  Ambrosia dumosa Aven Nelson; Ruth Ashton Nelson 1939-3-28 3297 Riverside Near the north end of Salton Sea, highway 111 Comment
  CAS-BOT-BC22602  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -329 Riverside Joshua Tree National Monument: about 3 mi S of Entrance to Cottonwood Springs Campground Comment
  RSA696752  Ambrosia dumosa J. Russell Bruff 1932-3-21 s.n. Riverside 1000 Palms. Comment
  SD233253  Ambrosia dumosa Aaron C. Sedgwick, Duncan Bell 2012-9-12 117 Riverside Mojave Desert; Southcentral Mojave Desert region: Rice Valley - Take Rice/Blythe Rd. south about 3 mi. from Hwy. 62, then head E on an unmarked BLM road. 235 Comment
  UC468989  Ambrosia psilostachya R. L. Pendleton 1905-9-28 254 Riverside bottom Santa Ana River 243 Comment
  UCR250383  Ambrosia pumila A. C. Sanders, John F. Green 2014-4-4 40966 Riverside Peninsular Range; Elsinore Trough, N of Elsinore near Alberhill, at intersection of Baker St. and Pierce St. 389 Comment
  RSA0008349  Ambrosia pumila R. E. Riefner 1998-9-1 98 -498 Riverside Aguanga, Hwy. 79, Temecula Creek Comment
  SDSU1709  Ambrosia salsola Marjorie Collier 1951-3-25 9145 Riverside Palm Canyon, 5 miles south of Palm Springs. Comment
  UCD128876  Ambrosia salsola Geoffrey Levin 1975-4-5 463 Riverside Junction of Ramon Road and 1000 Palms Canyon Road. Indio Hills Mountain Range, Salton Sea Basin Drainage Area. 91 Comment
  SEINET10908529  Ambrosia salsola David B. Dunn, Howard Brown 1947-1-12 Dunn 2834 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  UCR128294  Amelanchier utahensis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8635 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
  UCR24891  Amelanchier utahensis A. C. Sanders 1980-7-22 1695 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  UCR270409  Amelanchier utahensis John F. Emmel 2000-4-30 1646 Riverside Santa Rosa Mountains, Santa Rosa Mountain Road at Garnet Queen Creek crossing 1890 Comment
  UCR178340  Amorpha californica Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 654 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  CAS-BOT-BC180627  Amorpha californica var. californica Mrs. A. R. Seitz 1915-7-16 s.n. Riverside Banning Canyon Comment
  UCR23978  Amorpha fruticosa var. occidentalis John C. Roos 1966-5-5 s.n. Riverside Gilman Hot Springs, San Jacinto Valley Comment
  JEPS61126  Amsinckia intermedia W. L. Jepson 1939-4-17 19127 Riverside n end Temescal Canyon, near Twin Springs; Temescal Canyon 274 Comment
  RSA614401  Amsinckia intermedia D. L. Banks 1997-3-16 1535 B Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  SDSU17514  Amsinckia intermedia Jerry Jenkins 2001-4-1 2001 -026 Riverside Santa Margarita Ecological Reserve. Road to mine, UTM zone 6, 482900E, 3699600N. UTM transfered to GIS. Comment
  SDSU20040  Amsinckia intermedia Michael G. Simpson 2012-4-27 3689 Riverside Skunk Hollow Vernal Pool Preserve, top of hill (near fence and vertical rebar marker), ca. 350 feet southwest of west end of vernal pool. 412 Comment
  UCR213597  Amsinckia intermedia A. C. Sanders, Matthew Malle 2010-4-23 37985 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  JOTR35299  Amsonia tomentosa Andre, Jim 2012-4-11 20796 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  RSA191392  Anagallis arvensis Robert F. Thorne 1967-10-27 6674 Riverside 5 mi. NW of Murrieta, Santa Rosa Ranch. Comment
  RSA450911  Anagallis arvensis Stephen M. Beckstrom-Sternberg 1986-12-2 1115 Riverside UC Riverside, growing in bank next to glasshouse # 20. Comment
  RSA359526  Ancistrocarphus filagineus Steve Boyd 1986-3-9 1388 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  UCR264632  Anemopsis californica Mitch Provance 2012-6-19 196- 04 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  RSA761324  Angelica Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 682 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR158325  Anthriscus caucalis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30072 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA388498  Antirrhinum coulterianum Steve D. Boyd 1986-5-1 1819 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  RSA650899  Antirrhinum coulterianum R. S. Woglum 1941-6-13 3068 Riverside Santa Rosa Mountains. Comment
  RSA651284  Antirrhinum coulterianum Marcy Keys 1981-5-16 68 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. 404 Comment
  UCR281002  Antirrhinum coulterianum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 57 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  POM183981  Antirrhinum filipes Philip A. Munz 1932-3-14 11996 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA221092  Antirrhinum kelloggii E. W. Lathrop 1966-3-23 6080 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  RSA612710  Antirrhinum kelloggii D. L. Banks 1997-3-29 1588 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
  UCR278899  Antirrhinum majus Mitch Provance 2011-7-3 17191 Riverside Santa Ana River Valley, Rubidoux, west corner of Rubidoux Blvd. and 28th St. 259 Comment
  RSA679173  Antirrhinum nuttallianum Fred M. Roberts 2003-7-11 5961 Riverside San Mateo Canyon Wilderness, unnamed tributary to san Juan Creek, 0.9km ESE Upper San Juan Campground. 666 Comment
Read comments
Nov 24 2014
  UCR232353  Antirrhinum nuttallianum John F. Green 2008-4-15 0408- 21 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
  SD137619  Antirrhinum nuttallianum subsp. nuttallianum Darin L. Banks, Steve Boyd 1995-5-9 370 Riverside NW Palomar Mtns., N 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 792 Comment
  UCR23397  Apiastrum angustifolium John C. Roos 1943-4-28 2629 Riverside hills SE of Riverside 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
  RSA0126334  Arabis glaucovalvula F. W. Peirson 1941-4-9 s.n. Riverside At junction of Pinto Basin Rd and road to Cottonwood Spring. Comment
  RSA66701  Arabis perennans F. W. Peirson 1919-4-13 660 Riverside Along the Tahquitz creek, East of Palm Springs, Riverside. Comment
  RSA477453  Arabis pulchra M. B. Dunkle 1935-3-31 4436 Riverside Hills North Cottonwood Springs. Colorado Desert. 701 Comment
  UCR202022  Arabis sparsiflora Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  RSA19996  Arctostaphylos glandulosa subsp. adamsii I. W. Clokey, E. G. Anderson 1935-4-16 6787 Riverside East of Hemet. 630 Comment
  RSA635600  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1992-7-17 16754 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  CAS-BOT-BC24673  Arctostaphylos glauca C. B. Wolf 1932-2-11 2649 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. w. of Corona, base of Skyline Drive. 405 Comment
  RSA631800  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19568 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631803  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20166 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 6 km south of Pinyon Pines, Santa Rosa Mountains. 1585 Comment
  RSA633529  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20121 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633752  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21787 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  POM367389  Arctostaphylos patula subsp. platyphylla Christopher Davidson 1978-6-15 7384 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2087 Comment
  RSA635693  Arctostaphylos pringlei Jon E. Keeley 1994-4-27 25348 Riverside North side of Santa Rosa Mountain. 1900 Comment
  UCR269233  Arctostaphylos pringlei A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42005 Riverside Peninsular Range; San Jacinto Mtns., Hwy 243 at Indian Vista Point, 0.9 km above (SE of) Lake Fulmor 1657 Comment
  CAS-BOT-BC44364  Arctostaphylos pringlei subsp. drupacea Carl V. Meyer 1927-6-1 207 Riverside Saunders Meadow, San Jacinto Mts. 1706 Comment
  RSA635644  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16744 Riverside Morris Ranch Rd. (6S06), 6.3 km east of Hwy 74, western base of Pyramid Pk., San Jacinto Mountains. 1680 Comment
  RSA635690  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16597 Riverside Hwy 371 & Burnt Valley Rd. San Jacinto Mtns. 1250 Comment
  CAS-BOT-BC46341  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside Above Hemet Valley, San Jacinto Mts. 1676 Comment
  JEPS48072  Arctostaphylos pungens Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4262 Riverside 1 mi se Toro Peak Ridge; Santa Rosa Mts. 2286 Comment
  UCR16460  Argemone munita Anna Mayers 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Graham Pass Road, about 25 km from Chuckwalla Bench 450 Comment
  CLARK-A1656-851  Aristida adscensionis Jon Mark Stewart 1983-11-7 83-57 Riverside Indio Hills 121 Comment
  JEPS68442  Aristida adscensionis W. L. Jepson 1912-11-1 5262 Riverside Blythe, Palo Verde Valley 82 Comment
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Aug 29 2012
  JOTR31777  Aristida adscensionis La Doux, Tasha, Jim Andre 2009-3-10 386 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  SEINET192378  Aristida adscensionis I. L. Wiggins 1941-3-27 9676 Riverside South end of Coxcomb Mountains 8 mi northeast of Desert Center. Comment
  UCR128944  Aristida adscensionis Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UC1922709  Aristida adscensionis Michael Honer with L. Hulse 2004-4-3 1891 Riverside Colorado Desert; Little San Bernardino Mountains region: Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. Comment
  RSA86722  Aristida adscensionis var. abortiva F. W. Peirson 1921-3-23 2374 Riverside Deep Canyon south of Coachella Valley 335 Comment
  UCD169369  Aristida californica A. C. Sanders; T. B. Salvato 2012-10-12 40440 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, along Bradshaw Trail c. 2 miles west of 30th Ave. at Ludy Blvd./ canal crossing. 114 Comment
  UC1130848  Aristida purpurea H. S. Yates 1937-6-27 6711 Riverside Lower San Jacinto River Canyon San Jacinto Quadrangle Comment
  JOTR33752  Aristida purpurea var. nealleyi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2750 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UCR2162  Aristida purpurea var. nealleyi F. M. Reed 1927-3-18 5426 Riverside Sonoran (Colorado) Desert, Salt Creek Wash, north of Salton Sea 152 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
  UCD129218  Artemisia californica E. K. Balls; P. C. Everett 1957-11-4 22755 Riverside Snow Creek. 609 Comment
  POM320341  Artemisia douglasiana Patricia Wilder 1971-11-11 5301 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 Comment
  UCR235097  Artemisia dracunculus A. C. Sanders, John F. Green 2012-5-27 40199 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, near SW corner of Valley Substation (on Menifee Rd.), just off Case Rd. 445 Comment
  UCR34905  Artemisia tridentata L. B. Ziegler 1964-8-10 003 Riverside San Jacinto Mtns, Garner Valley 1375 Comment
  SD43533  Artemisia tridentata subsp. tridentata Philip A. Munz 1946-10-19 11565 a Riverside Coahuila 1095 Comment
  UC1782174  Artemisia vulgaris O. F. Clarke 2000-12-9 Riverside O. F. Clarke residence, 266 Frost Court 360 Comment
  RSA721875  Asclepias albicans J. Mark Porter, Orlando Mistretta 2003-6-5 13604 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 east, above the pour-off. 439 Comment
  RSA696498  Asclepias eriocarpa Keith E. Hoffmaster 1934-4-8 772 Riverside Santa Ana Mts. Comment
  RSA192086  Asclepias fascicularis H. A. Zuill 1966-6-5 198 -b Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  RSA192217  Asclepias fascicularis E. W. Lathrop 1966-6-13 6421 Riverside 5 mi. N W of Murrieta. Stream bank woods of southern oak woodland. Comment
  RSA690945  Aster ascendens Scott D. White 2003-10-9 9820 -A Riverside Pine Cove area. Dutch Flat. 1753 Comment
  RSA690948  Aster ascendens Scott D. White 2003-10-9 9820 -B Riverside Pine Cove area. Dutch Flat. 1753 Comment
  UCD166200  Astragalus Jack Major 1962-4-16 765 Riverside Along side of road from Banning to Mt. San Jacinto. (Exact location unknown. Coordinates estimated by label maker.) 914 Comment
  CAS-BOT-BC177530  Astragalus bicristatus Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mt., a short distance below summit Comment
  RSA670366  Astragalus crotalariae B. C. Templeton 1930-3-22 1637 Riverside Palm Springs. 400 Comment
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Jan 4 2012
  SEINET898798  Astragalus didymocarpus Carl B. Wolf 1935-1 6301 Riverside Gavilan Hills Region. 2 mi. SW. of Perris. 427 Comment
  CAS-BOT-BC182633  Astragalus didymocarpus var. obispoensis Carl B. Wolf 1935-4-7 6301 Riverside Gavilan Hills Region. 1 mi. SW. of Perris 426 Comment
  UCR145190  Astragalus douglasii June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  CAS-BOT-BC178455  Astragalus douglasii var. parishii Mary F. Spencer 1919-6-18 1190 Riverside San Jacinto Mts. 1615 Comment
  POM12086  Astragalus douglasii var. parishii Mary F. Spencer 1921-6-1 945 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  POM306062  Astragalus filipes Henry J. Ramsey, Henry J. Ramsey 1937-5-30 s.n Riverside Palms to Pines Highway. Comment
  UCR81998  Astragalus filipes Ed LaRue 1993-8-18 s.n. Riverside Murrieta: Greer Ranch development, north side of Clinton Keith Road near Interstate Hwy 15. Comment
  SD137785  Astragalus gambelianus Darin L. Banks, Steve Boyd 1995-5-9 320 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area; west of the Dripping Springs Alcove Area, west of Woodchuck Campground. 730 Comment
  CAS-BOT-BC187112  Astragalus lentiginosus var. borreganus Geo. B. Grant 1906-5-1 77 a-6747 Riverside Colorado Desert at Palm Springs Comment
  POM13020  Astragalus lentiginosus var. coachellae P. A. Munz, D. D. Keck 1922-4-14 4963 Riverside Indian Wells 107 Comment
  RSA254136  Astragalus lentiginosus var. coachellae Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-23 6488 Riverside Chuckwalla Valley, 9.5 miles northeast of Desert Center 168 Comment
  UCR162553  Astragalus lentiginosus var. variabilis James C. Dice, Kim A. Nicol 1998-3-24 980324 -3 Riverside NW Colorado Desert, 7.1 miles (11.4 km) N of Desert Center, along State Hwy 177 163 Comment
  POM12864  Astragalus leucolobus P. A. Munz 1922-6-28 5872 Riverside Ridge west of Toro Peak 2287 Comment
  CLARK-A1045-116  Astragalus palmeri George K. Helmkamp 1978-4-1 Riverside Pinyon Flat Pinyon Pine[s] area, [flats] above Deep Canyon; Palm Desert 15'Q Comment
  RSA27336  Astragalus palmeri C. L. Hitchcock 1940-4-4 5945 Riverside Pinto Basin. Comment
  RSA308354  Astragalus palmeri Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3029 Riverside Santa Rosa Mountains. 1220 Comment
  RSA415645  Astragalus palmeri M. B. Dunkle 1938-4-3 5237 Riverside 2 miles S of Nightengale, Santa Rosa Mt. Comment
  RSA415654  Astragalus pomonensis N. C. Cooper 1949-3-18 3165 Riverside Elsinore. 457 Comment
  UCR180132  Astragalus pomonensis Mitch Provance 2003-4-26 9889 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  POM26330  Astragalus sabulonum Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  CAS-BOT-BC98815  Atrichoseris platyphylla Mrs. G. Earle Kelly 1926-4-1 s.n. Riverside Painted Canyon near Indio Comment
  RSA0018888  Atriplex Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6024 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  POM278724  Atriplex canescens Grant D. Brown 1950-12-2 593 Riverside Santa Ana River NW of Arlington 198 Comment
  RSA340180  Atriplex canescens R. F. Thorne, W. A. Tilforth 1980-5-28 54186 Riverside San Bernardino Mountains: W-facing slope of Whitewater ridge above old bridge. Comment
  RSA696731  Atriplex canescens J. Russell Bruff 1929-1-1 407 Riverside Roadside foot of Jackrabbit Grade. Comment
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Mar 20 2011
  SEINET3930581  Atriplex canescens Grant D. Brown 1950-12-2 589 Riverside About 1 mile up Mockingbird Canyon in Riverside City limits.; 0 305 Comment
  UC472155  Atriplex canescens J. Ewan 1931-10-3 5227 Riverside Mockingbird Canyon near Arlington; Mockingbird Canyon near Arlington Comment
  UCR195797  Atriplex canescens var. canescens Jim Andre, T. La Doux 2007-9-6 8709 Riverside Little San Bernardino Mountains, Joshua Tree National Park, Queen Valley, just east of Geology Tour Road, in July 2006 burn area 1319 Comment
  SBBG1753  Atriplex canescens var. laciniata H. and M. Dearing 1940-11-10 5018 Riverside Thousand Palms Cyn Comment
  HSC4322  Atriplex canescens var. linearis L. S. Rose 1966-12-11 66096 Riverside Palm Springs 152 Comment
  POM27528  Atriplex canescens var. macilenta I. L. Wiggins 1941-3-24 9585 Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line Comment
  UCR159814  Atriplex coronata var. notatior Mark A. Elvin 2005-5-24 4316 Riverside Southern Coastal Slope; Perris Basin, Perris, east of I-215, south of San Jacinto River, NW corner of junction of Ellis Ave and first road east of I-215 427 Comment
  UCR66973  Atriplex coronata var. notatior D. E. Bramlet 1990-6-14 2038 Riverside San Jacinto Valley, c. 6.5 km SW of Hemet, c. 400 m north of the Santa Fe RR tracks and adjacent to (E of ) MWD canal, c. 900 m west of Warren Ave 457 Comment
  UCR70680  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2171 Riverside Perris-Aguanga Basin region, San Jacinto River, c. 1.6 km west of Lakeview & 30-40 m east of the river. c. 170 m north of MWD easement road 473 Comment
  RSA92585  Atriplex coronata var. notatior J. C. Roos 1952-5-14 5668 Riverside San Jacinto river bottomlands 1 miles southeast of Perris. 426 Comment
  RSA737893  Atriplex glauca R. E. Riefner 2002-12-12 02 -521 Riverside City of Corona, along Magnolia Ave off ramp on SW side of I 15 Freeway. 216 Comment
  UCR163798  Atriplex lentiformis John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; ENE of Salton Sea State Park, along Coachella Canal 24 Comment
  CLARK-A1528-399  Atriplex patula subsp. hastata John C. Roos, Lucille Roos 1951-10-24 5339 Riverside Pedley 228 Comment
  POM121945  Atriplex polycarpa Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  RSA1375  Atriplex polycarpa B. D. Stark 1930-4-1 779 Riverside Cathedral City Comment
  SEINET4135517  Atriplex polycarpa Faulkner 1978-3-21 339 Riverside 9 miles N of Blythe on Hwy 95.; 0 152 Comment
  UCD97620  Atriplex prostrata O. F. Clarke 1970-9-24 s.n. Riverside Riverside, Santa Ana River bottom, just E of the old Salt Lake R.R. Bridge. 216 Comment
  SEINET4136016  Atriplex rosea Steve Boyd 1991-7-13 6411 Riverside Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash and I-15, just S of Cajalco Rd.; 0 Comment
  UCD97788  Atriplex serenana Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-11 3731 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 472 Comment
  SEINET6188286 Image available Avena barbata Orlando Mistretta, D. Bell, J. Beckman, J. England, K. Kane, J. Hall, C. McDonald, L. Reccia, L. Rodriguez, A. Sall, T. Tennant. 2010-1 4467 Riverside Transversa Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 488 Comment
  UCR2188  Avena fatua F. M. Reed 1934-3-1 8703 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 274 Comment
  RSA552715  Avena fatua Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6684 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon 305 Comment
  POM12202  Azolla filiculoides Philip A. Munz 1922-4-29 5095 Riverside Dripping Springs, near Temecula Creek 518 Comment
  UCR262332  Baccharis brachyphylla Duncan S. Bell 2013-9-29 6045 Riverside Colorado (Sonoran) Desert, Chuckwalla Mountains, south side of Corn Springs, Wash, c. 1.8 air mi southwest of Corn Springs 648 Comment
  POM320337  Baccharis emoryi Patricia Wilder 1971-11-11 5304 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  GMDRC6585  Baccharis salicifolia J. M. Andre 2012-6-15 30547 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  RSA751623  Baccharis salicifolia G. Gust, L. Nye 2005-3-10 535 Riverside City limits of Lake Elsinore on River bank just off of Auto Center Dr., N of junction with Diamond Dr. 400 Comment
  SD40814  Baccharis salicifolia Carl B. Wolf 1932-10-11 4174 Riverside Little San Bernardino Mountains, Morongo Wash. 669 Comment
  UC63381  Baccharis salicifolia subsp. salicifolia Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Comment
  CAS-BOT-BC106628  Baccharis salicina E. W. Lathrop 1965-10-24 6019 Riverside 8 miles west of Murrieta. Plateau of the Santa Ana Mountains. 609 Comment
  RSA0031548  Baccharis sarothroides Duncan S. Bell 2013-1-30 4438 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  JOTR36095  Baccharis sergiloides La Doux, Tasha, K. Matthews, S. Szabo, B. Truesdell, J. Van Warmerdam 2007-10-4 3373 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (STOP3). 1362 Comment
  RSA178643  Baccharis sergiloides C. B. Wolf 1932-10-12 4298 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  RSA588674  Baccharis sergiloides Darin L. Banks, Steve Boyd 1995-10-26 0831 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, at the large grassland area along the upper trail. Approximately 1.6 miles from the Wilderness boundary. 939 Comment
  RSA771355  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4458 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  RSA777277  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4552 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR85075  Baileya multiradiata A. C. Sanders, Helmkamp & MacKay 1995-3-12 16019 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  RSA23112  Baileya pauciradiata I. L. Wiggins 1938-3-19 8900 Riverside 25 miles W of Blythe. Comment
  RSA782077  Baileya pauciradiata Duncan S. Bell 2009-3-9 115 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  RSA301938  Baileya pleniradiata J. R. Shevock 1971-5-8 1049 Riverside Near White Tank, Joshua Tree National Monument 1220 Comment
  UCR42403  Baileya pleniradiata J. M. Stewart 1986-3-3 86- 15 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, east of Desert Center, east of the dry lake south of Palen Dry Lake Comment
  OBI16935  Bebbia juncea H. E. McMinn 1935-6-27 4066 Riverside Palms to Pines Highway Comment
  RSA696874  Bebbia juncea J. Russell Bruff 1928-4-1 77 Riverside Whitewater Comment
  RSA795919  Bebbia juncea Duncan S. Bell 2009-4-19 291 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR256796  Bebbia juncea var. aspera T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7870 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  POM157913  Bergia texana P. A. Munz 1927-5-20 10805 Riverside Murrieta Hot Springs. Comment
  LA204858  Bernardia incana Lee Haines; R. Erickson 1937-4-10 sn Riverside Palms to Pines Highway near road to Shumay Comment
  HSC47414  Bernardia myricifolia R. W. Spjut, C. E. Edson 1978-5-5 5020 Riverside W margins of Colorado Desert, along Hwy. 74, W of Palm Desert in the San Jacinto Mtns. Comment
  UCR189286  Bidens frondosa Fred M. Roberts, S. Leatherman 2007-9-19 6585 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  SDSU17533  Bidens pilosa Jerry Jenkins 2001-4-2 2001 -050 Riverside Santa Margarita Ecological Reserve. West of Santa Margarita River, UTM zone 6, 481750E, 3699500N. UTM transfered to GIS. Comment
  UCR35198  Boerhavia coccinea L. B. Ziegler 1967-8-30 218 Riverside San Jacinto Valley, Vacant lots in city of San Jacinto 473 Comment
  SEINET7048152  Boerhavia coccinea Steven R. Hill 2001-5-3 33653 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
  UCR261844  Boerhavia coulteri Tim Thomas, Alice Karl 2011-10-18 5527 Riverside Sonoran (Colorado) Desert, Hayfield Lake, 4 mi east of Chiriaco Summit, just north of Hwy I-10, northwest portion of lake be 437 Comment
  CLARK-A1528-3270  Boerhavia torreyana John C. Roos 1965-9-26 Riverside Santa Rosa Mountains 701 Comment
  JOTR30684  Boerhavia wrightii Andre, Jim, Tasha La Doux 2008-9-13 10275 Riverside Joshua Tree National Park. Eagle Mountains at Joshua Tree National Park boundary, lower slopes of south end of Eagle Mtns., along aqueduct access road. 354 Comment
  RSA608165  Boerhavia wrightii Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10051 C Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  RSA793568  Boerhavia wrightii Duncan S. Bell 2012-9-13 4190 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  SEINET10389837  Boerhavia wrightii A. C. Sanders, Jim Malusa 2015-9-10 41867 Riverside Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  UCR245987  Boerhavia wrightii Duncan S. Bell 2012-9-13 4190 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  UCR59704  Boerhavia wrightii A. C. Sanders 1989-9-19 9512 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  RSA356651  Boisduvalia densiflora Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47304 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 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
  UCR211550  Bouteloua aristidoides Jim Andre, T. La Doux 2008-9-13 10260 Riverside Sonoran (Colorado) Desert, Palen Valley, along west side of Hwy 177, east side of Coxcomb Mountains, just west of Palen Valley Sand Dunes area, east boundary of Joshua Tree National Park 205 Comment
  SEINET3920388  Bouteloua barbata Faulkner 1978-3-21 338 Riverside 9 miles N. of Blythe on Hwy 95.; 0 152 Comment
  JEPS15397  Bouteloua barbata var. barbata Joseph and Hilda Grinnell 1937-11-30 1080 a Riverside 24 mi e Blythe (bed of lake); Chuckawalla Valley, Ford Dry Lake 106 Comment
  JEPS8276  Bouteloua barbata var. barbata Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-4-1 3602 Riverside along State Hwy 111 just opposite northern end of the Salton Sea -57 Comment
  UCR195802  Bouteloua curtipendula Jim Andre, T. La Doux 2007-9-6 8705 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  RSA716380  Bowlesia incana Scott D. White 2006-4-27 11299 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
  CLARK-A1528-2786  Brandegea bigelovii John C. Roos 1967-11-18 Riverside Comment
  JOTR35010  Brandegea bigelovii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3112 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  JOTR35013  Brandegea bigelovii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3112 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  RSA789361  Brandegea bigelovii Aaron C. Sedgwick, David Fraker 2012-3-28 35 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  RSA0009701  Brandegea bigelovii Marcus E. Jones 1906-4-20 s.n. Riverside Indio. Comment
  CAS-BOT-BC36846  Brassica tournefortii John H. Thomas 1949-2-28 46 Riverside Between Banning and Palm Springs. Comment
  RSA0102675  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside Santa Rosa Mountains: Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  RSA770306  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4493 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64305 487 Comment
  RSA778228  Brassica tournefortii Duncan S. Bell 2009-3-8 33 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  RSA342556  Brickellia arguta R. F. Thorne 1980-5-28 54208 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  UC1010313  Brickellia desertorum John and Lucille Roos 1950-9-30 4996 Riverside .5 mi se of Citrus Experiment Station (Box Springs Grade); Box Springs Grade 396 Comment
  UCR92153  Brickellia desertorum D. L. Banks, Steve Boyd 1995-10-17 0776 Riverside NW Palomar Mtns; Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills 525 Comment
  UC279716  Brickellia incana Edmund C. Jaeger 1926-2-20 Riverside near Salton (Canon Springs); Canon Springs Comment
  UCR18575  Brickellia nevinii John C. Roos 1965-9-12 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon, 3 mi SW of Corona 550 Comment
  JEPS18572  Brickellia oblongifolia var. linifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1424 Riverside Van Deventer's Ranch Comment
  SEINET7063429  Brodiaea filifolia A. G. Vestal 1947-1 Riverside Comment
  POM223245  Brodiaea jolonensis R. Cooper 1936-5-21 1 Riverside Skyline Road above Corona. Comment
  UCR182519  Brodiaea terrestris subsp. kernensis Mitch Provance 2005-5-17 6566 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  SEINET14396884  Bromus anomalus F. S. Crosswhite 1960-11-4 Riverside Riverside. Comment
  RSA559320  Bromus arenarius Steve Boyd, Timothy S. Ross, D. E. Bramlet 1993-5-13 7367 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
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Mar 24 2013
  UCR138768  Bromus carinatus Scott D. White 1997-5-18 5154 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
  UCR120907  Bromus diandrus A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24919 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR178343  Bromus diandrus Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1050 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA750754  Bromus hordeaceus Scott D. White, Justin M. Wood 2009-5-22 12898 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  CAS-BOT-BC161815  Bromus rubens D. A. Johansen; J. A. Ewan 1932-4-10 7057 Riverside Along diversion canal at mouth of Tahquitz Canyon, Western Colorado Desert. Comment
  UCR174303  Bromus rubens A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32655 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA556483  Bromus rubens Julie Greene 1036 -A Riverside San Jacinto Wildlife Area: North of the eastern pond. 441 Comment
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Mar 3 2013
  SEINET10518064  Bromus rubens David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2913 Riverside Hill slope. Pushawalla canyon biota. Indio hills. Comment
  SEINET10835307  Bromus rubens A. Evans 1976-4-13 Evans 5130 Riverside Desert canyons of santa rosa mtns. Comment
  CDA37834  Bromus tectorum Unknown Collector 2012-5-1 PDR# 1590361 Riverside Anza; Peony Gardens Nursery, 59880 Anzanita Lane near Burnt Valley Road. 0 Comment
  UCR213312  Bromus tectorum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37690 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR260896  Bromus tectorum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41524 Riverside Moreno Valley, south side of Allesandro Blvd. west of Graham St., north of Brodiaea Ave. 488 Comment
  UCR92223  Bromus tectorum Steve Boyd 1995-4-24 8477 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  UCR88438  Bromus trinii A. C. Sanders, K. C. Rose 1995-4-5 16353 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA535079  Caesalpinia gilliesii Steve Boyd, T. S. Ross 1991-11-10 6629 Riverside Gavilan Hills, W of Perris along Santa Rosa Rd. near the base of range. Comment
  POM14550  Caesalpinia virgata Alice Eastwood 1913-4-30 3072 Riverside Palm Springs. Comment
  RSA697937  Caesalpinia virgata J. R. Bruff 1932-3-22 s.n. Riverside 1000 Palms. Comment
  UCR3468  Caesalpinia virgata Sally Bell 1964-3-26 s.n. Riverside Western Colorado Desert, off Dillon Road, c. 3 mi. NE of the town of Indio, c. 500 yards west of the road. -7 Comment
  SEINET12160519  Caesalpinia virgata Unknown 1936-1 12788 Riverside Colorado Desert N of Palm Springs Comment
  UC1552149  Calandrinia ambigua David Charlton 1988-2-19 1211 Riverside road between Cottonwood Wash and Mecca; Orocopia Mtns., Mecca Hills, Lower Box Canyon 457 Comment
  UCR158328  Calandrinia ciliata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30070 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  POM13640  Callitriche marginata P. A. Munz 1922-4-29 5064 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA234033  Callitriche marginata R. F. Thorne, E. W. Lathrop 1969-5-19 37957 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  SEINET10531073  Calocedrus decurrens James S. Miller 1992-5-8 Miller 7469 Riverside San Jacinto Mountains. 11 mi E of W boundary of San Bernadino National Forest on California route 74. 1300 Comment
  RSA619553  Calochortus albus Darin L. Banks 1997-5-5 2001 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  UC218107  Calochortus concolor P. A. Munz 1922-6-30 5917 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  RSA501021  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3140 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  RSA752778  Calochortus splendens Scott D. White, Justin M. Wood 2009-5-21 12842 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  SDSU11903  Calochortus weedii Garrison 1962-7-16 Riverside 3 miles south of Temecula on Highwa 395 335 Comment
  JEPS29288  Calycoseris parryi Rimo Bacigalupi, L. Heckard, and P. Hutchinson 1962-3-23 8360 Riverside 1.9 mi sw of San Bernardino County line (lower end of Morongo Wash); Morongo Wash 609 Comment
  UCR213256  Calycoseris wrightii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37457 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  SEINET222296  Calyptridium monandrum B. Ertter, J Strachan 1979-6-26 2984 Riverside Hwy 243 near Idylwild San Jacinto Mts Comment
  RSA586129  Calystegia macrostegia subsp. arida D. L. Banks 1995-4-11 0172 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, E of the Dripping Springs Trail. 950 Comment
  RSA394917  Calystegia macrostegia subsp. tenuifolia M. V. Hood 1945-3-26 s.n. Riverside Cottonwood Creek, Aguanga. Comment
  UCR115933  Calystegia sepium subsp. binghamiae Mitch Provance, Steve D. Boyd 1999-9-14 1780 Riverside 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
  UCR177000  Camissonia bistorta Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 295 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCR4125  Camissonia bistorta Ronald M. Cope 1965-5-2 s.n. Riverside Box Springs Mtns., W side of Pigeon Pass, 7 mi. north of freeway (State Hwy 60), on Box Springs Mountain 610 Comment
  UCR98681  Camissonia bistorta 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
  JOTR31893  Camissonia brevipes subsp. brevipes La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2143 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  RSA76151  Camissonia brevipes subsp. brevipes P. A. Munz, R. D. Harwood 1920-4-2 3580 Riverside Colorado Desert, near Blythe. 152 Comment
  RSA135569  Camissonia brevipes subsp. pallidula Peter H. Raven 1958-3-1 11745 Riverside Colorado Desert, US Highway 95, 8.6 miles N of Blythe. Comment
  UCR137687  Camissonia californica D. L. Banks, V. W. Steinmann 1997-3-13 1483 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR199623  Camissonia californica Scott D. White, Angelia Carey 2004-7-2 10562 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR225712  Camissonia californica A. C. Sanders 2011-3-30 38915 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  UCR84616  Camissonia californica Scott D. White, S. Ogg 1994-4-21 2002 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA0029396  Camissonia campestris subsp. campestris Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4680 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
  RSA454757  Camissonia campestris subsp. campestris Ora M. Clark 1929-2-22 1519 Riverside south Cabazon Comment
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Mar 13 2011
  POM248149  Camissonia cardiophylla Unspecified 1939-1 s.n. Riverside near Mecca Comment
  RSA701085  Camissonia cardiophylla Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11240 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
  UCR89867  Camissonia cardiophylla George K. Helmkamp 1994-3-10 41 19 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  IRVC27410  Camissonia claviformis T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 53 Riverside 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal Coachella Valley 9 Comment
  UCR104013  Camissonia claviformis George K. Helmkamp 1998-4-4 3136 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UC20422  Camissonia confusa H. M. Hall 1901-6-24 Riverside Fullers Mill San Jacinto Mountains (canyons of w side of mts.) 1767 Comment
  UCR260545  Camissonia hirtella T. B. Salvato, Matt Malle 2014-5-29 8025 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  RSA679818  Camissonia hirtella LeRoy Gross, Valerie Soza 2003-5-8 831 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  RSA271437  Camissonia ignota C. W. Tilforth 1978-4-30 1579 Riverside Low rounded hills east of Norco. Comment
  RSA500993  Camissonia ignota Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3112 Riverside Vail Lake area, at N base of rounded knob 1.25 mi WSW of dam. 610 Comment
  UCR174538  Camissonia ignota Jennifer H. Jones, Janine Amaya and Thi (Teresa) Bui 2006-5-21 312 Riverside Peninsular Ranges: Box Springs Mtns., Box Springs Mountain Reserve. First trail on the left beyond the parking lot along the service road 793 Comment
  RSA504978  Camissonia refracta D. Charlton 1988-2-25 1167 Riverside Box Canyon Wash between the Mecca Hills and Orocopia Mountains, 10 miles S of I-10 and N of Mecca and Salton Sea 305 Comment
  SEINET269601  Camissonia refracta John Wear 1995-3-22 Riverside Colorado Desert: Wash along Eagle Mountain Road N of I-10 near Deset Center. Comment
  UCR130119  Camissonia refracta Scott D. White 2001-4-3 8242 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UCR237633  Camissonia refracta Duncan S. Bell, Amanda Turek 2010-4-10 805 Riverside Riverside Mountains, southern section of the mountain range, c. 1 air mi southwest of Riverside Mountain Peak 269 Comment
  RSA162861  Camissonia strigulosa J. D. Olmsted 1959-4-10 348 Riverside Along Hwy. 60-99 [Hwy 10] near Cabazon; Mt. Range: San Gorgonio Pass; Drainage area: Whitewater River. 671 Comment
  RSA395908  Camissonia strigulosa Steve Boyd 1986-4-22 1774 Riverside Temescal Canyon: Horsethief Wash N of Temescal Cyn. Road. Comment
  RSA85085  Camissonia strigulosa J. C. Roos 1952-4-16 5554 Riverside Reche Canyon. 457 Comment
  UCR178015  Camissonia strigulosa Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 022 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR84659  Camissonia strigulosa Scott D. White, S. Ogg 1994-4-21 2007 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR275508  Camissoniopsis D. E. Bramlet 2012-4-9 4998 Riverside San Gorgonio Pass, Banning, open fields south of Westward Ave. and east of Sunset Ave., west of 22nd St. 732 Comment
  SBBG89039  Camissoniopsis confusa A. C. Sanders, B. Pitzer 1986-4-30 6473 Riverside San Jacinto River Valley at the mouth of Bee Cyn 609 Comment
  UC219221  Camissoniopsis pallida subsp. pallida P. A. Munz and I. M. Johnston 1922-5-6 5223 Riverside Smith Water Canyon Little San Bernardino Mts. 1005 Comment
  UCD103588  Camissoniopsis pallida subsp. pallida Gordon Pilone 1961-3-1 102 Riverside White Water Canyon, 1/2 mile below Fish Hatchery. 457 Comment
  UCD103600  Camissoniopsis pallida subsp. pallida R. L. Smith 1948-3-24 s.n. Riverside Foot of Andreas Canyon. Comment
  UCR239911  Cardamine O. F. Clarke 2006-1-26 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA180316  Cardamine californica var. integrifolia E. W. Lathrop 1959-3-26 4364 Riverside 18 miles W of Elsinore, Tenaja Guard Station, Cleveland National Forest Comment
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Apr 28 2011
  UC1931229  Carex athrostachya Scott D. White, Justin Wood 2008-6-18 12222 Riverside San Jacinto Mountains: K Flat Meadow. (Idyllwild) Comment
  RSA788094  Carex barbarae Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49554 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons 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
  IRVC15568  Carex illota R. H. Whittaker, W. A. Niering 1963-6-2 SJ 179 Riverside Devil Slide Trail. Peninsular Ranges, San Jacinto Mountains 2439 Comment
  UCR26920  Carex pellita A. C. Sanders 1980-7-22 1708 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  CAS-BOT-BC118510  Carex praegracilis Earl W. Lathrop 1959-5-17 4553 Riverside 10 mi W of Murrieta Comment
  SD79818  Carex spissa Helen V. Witham 1969-7-2 189 Riverside De Luz Creek Crossing; 4 miles north of De Luz. 249 Comment
  CAS-BOT-BC115633  Carex triquetra Alan Ackerman Beetle 1944-4-27 3008 Riverside West of Murietta, canyon slopes in chaparral belt. Comment
  UCR161454  Carthamus tinctorius Mike Misenhelter 2005-8-24 s.n. Riverside Peninsular Range; San Jacinto Mtns., between Hwy 243 and Pine Cove, at edge of Dutch Flat Meadow 1799 Comment
  RSA0111980  Castela emoryi Duncan S. Bell, Amanda Bell 2012-1-28 3062 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  SEINET3078326 Image available Castilleja angustifolia var. dubia C. Francis Shutts 1949-3-19 56 Riverside White Tank, Joshua Tree Nat'l Mon. Pinto Mt. Range, Colorado R. Drainage Area 457 Comment
  UC1552094  Castilleja applegatei subsp. martinii David Charlton 1988-5-21 1934 Riverside s of Lake Hemet (on Hwy 74, Thomas Mountain Rd, from n to s, w of Garner Valley) 1676 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
  CLARK-A1528-4178  Castilleja foliolosa John C. Roos 1952-2-29 5375 Riverside Reche Canyon Comment
  POM4467  Castilleja foliolosa I. M. Johnston 1917-4-4 1007 Riverside Palm Canyon 762 Comment
  UC26427  Castilleja foliolosa Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR100041  Castilleja foliolosa Scott D. White 1994-4-23 2050 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR108395  Castilleja foliolosa D. L. Banks, V. W. Steinmann 1997-3-13 1464 Riverside NW Palomar Mtns, Agua Tibia Mtns: Vail Lake Area, N and south of Hwy 79. The hills east of Dripping Springs Alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 549 Comment
  UCR121310  Castilleja foliolosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25008 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  RSA0010901  Castilleja foliolosa E. W. Lathrop 1968-5-12 6856 Riverside 4 miles W of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive 305 Comment
  RSA783626  Castilleja martinii J. D. Olmsted 1962-5-3 3495 Riverside Where Thomas Mt. road turns East along SW flank of north peak. 1768 Comment
  SFV13137  Castilleja minor subsp. spiralis M. J. Thor 1982-9-16 126 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  RSA761164  Castilleja spiralis Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 697 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SEINET3194789 Image available Casuarina equisetifolia G. Rink 2011-10-11 11080 Riverside Next to agricultural fields east of the McCoy Mountains, northwest of Blythe, used as a windbreak for lemon grove. 160 Comment
  RSA683860  Caulanthus heterophyllus Scott D. White, Michael Honer 2003-4-4 8950 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  SD119686  Caulanthus heterophyllus Wayne P. Armstrong 1986-3-23 1258 Riverside Gavilan Hills area; east side of Sant Rosa Road, ca. 2.0 miles south of Hartford Springs. 455 Comment
  UCR174523  Caulanthus heterophyllus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32484 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
  UCR43285  Caulanthus heterophyllus L. F. Lapre 1986-4-17 s.n. Riverside Gavilan Hills, Bull [Toro] Canyon 579 Comment
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Mar 25 2013
  CHSC36013  Caulanthus simulans James Henrickson 1973-3-18 8611 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
  UCR86710  Caulanthus simulans Jeri Hirshberg 1995-5-30 s.n. Riverside San Jacinto Mtns, Edge of Bonita Vista Rd. about 1 mi west of intersection with Apple Canyon Road. 1585 Comment
  RSA60296  Ceanothus cordulatus G. R. Campbell 1948-7-4 607 Riverside Azalea Trails Girl Scout Camp, Dark Canyon, north of Idyllwild. 1738 Comment
  UC455343  Ceanothus cordulatus I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2743 Comment
  RSA575064  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -O 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
  SD136772  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7920 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  SD129398  Ceanothus cuneatus Ed LaRue May 1989 Riverside Hills east of Beaumont, along Potrero Creek, 1/2 mi. E of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  VVC436  Ceanothus cuneatus Frank Aubrey 1959-4-11 s.n. Riverside Perris Basin, 3.2 miles So of US 395 - State 71 jct. on US 395. E. side of Rd. 351 Comment
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May 9 2016
  RSA462400  Ceanothus leucodermis H. de Forest, Freda Detmers 1931-4-2 s.n. Riverside Colorado Desert. Comment
  RSA650467  Ceanothus leucodermis G. Foster 1961-5-12 s.n. Riverside Idyllwild. Comment
  SD7235  Ceanothus leucodermis Daniel Cleveland 1882-5-3 Riverside Temecula Comment
  UC18306  Ceanothus leucodermis H. M. Hall 1901-6-1 2223 Riverside Ontatt's Valley San Jacinto Mts. 1676 Comment
  RSA462403  Ceanothus leucodermis Albert J. Perkins 1920-5-30 s.n. Riverside Cobby Trails Comment
  LA44898  Ceanothus oliganthus var. orcuttii W. Pequegnat; 1938-6-15 sn Riverside Santa Ana Mountains, Bear Springs Comment
  SD186315  Ceanothus oliganthus var. sorediatus Andy C. Sanders, M. Misenhelter 2005-3-23 29265 Riverside Santa Ana Mtns.: Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  POM17818  Ceanothus palmeri P. A. Munz, D. D. Keck 1923-6-14 7080 Riverside Glen Ivy Trail to Santiago Peak. 1524 Comment
  RSA160406  Ceanothus papillosus var. roweanus J. D. Olmsted 1959-4-17 413 Riverside At edge of main knobcone pine grove on NE ridge of Sugarloaf Pk. along Main Divide T.T. ssw of Corona. 1159 Comment
  CAS-BOT-BC63257  Ceanothus tomentosus subsp. olivaceus Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-29 3931 Riverside Vail Lake area, summit of 'Big' Oak Mtn., n. of lake. 822 Comment
  CDA7299  Centaurea X pouzinii F. J. Willmarth 1960-6-2 Riverside Old Fuller Rancho, near Corona. 0 Comment
  UCR94643  Centaurea melitensis Scott D. White 1996-5-27 4076 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  RSA500128  Centaurium venustum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3683 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UCR217565  Centromadia pungens subsp. laevis Jeff B. Galvin 2008-5-23 49 Riverside Gavilan Plateau, Harford Springs County Park. 800 m east of Gavilan Road, near dirt trail 600 Comment
  JEPS57818  Centrostegia thurberi var. thurberi W. L. Jepson 1914-5-18 5992 Riverside n of Indio (Pinyon Well); Pinyon Well 762 Comment
  RSA38219  Cercidium floridum P. A. Munz 1947-4-10 11722 Riverside Dry sandy wash 4 miles Northwest of Desert Center, on Aqueduct road. Comment
  CSUSB1862  Cercocarpus betuloides A. H. Wheeler 1974-7-22 Riverside San Jacinto Mountains Palms To Pines Highway- Juniper Flats 1219 Comment
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Dec 4 2011
  JOTR29597  Cercocarpus betuloides var. betuloides Andre, Jim 2006-4-26 6754 Riverside Joshua Tree National Park. abpit 0.5 mi. NNE of Rattlesnake Spring, on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  RSA773041  Cercocarpus betuloides var. betuloides Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5040 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  UC1979528  Cercocarpus betuloides var. betuloides Darin L. Banks, Steve Boyd 1995-3-16 109 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. Comment
  CAS-BOT-BC279540  Chaenactis artemisiifolia Edmund C. Jaeger June 23 s.n. Riverside On west slope of San Jacinto Mts. near Half-way House. Idyllwild road 1005 Comment
  POM97131  Chaenactis artemisiifolia Philip A. Munz 1925-5-20 9829 Riverside 2 miles W of Dripping Spring. 427 Comment
  SEINET3146199  Chaenactis carphoclinia G. B. Grant 1906-1 165 a-6785 Riverside on CO desert Palm Springs; S CA Comment
  UCD130237  Chaenactis carphoclinia B. Pitzer 1998-1-24 3406 Riverside N foot of Chuckwalla Mts, Eagle Mtn Rd on S side of Hwy I-10, ca. 0.8 mi. S of Hwy at powerline rd, and wash directly south of road. 500 Comment
  UCR166531  Chaenactis carphoclinia Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10882 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  JEPS5010  Chaenactis carphoclinia var. carphoclinia Rimo Bacigalupi and L. R. Heckard 1953-5-5 4071 Riverside along Morongo Creek Morongo Creek (between Morongo Valley and Coachella Valley) 685 Comment
  JOTR35034  Chaenactis carphoclinia var. carphoclinia La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3487 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
  POM13309  Chaenactis carphoclinia var. carphoclinia E. C. Jaeger 1921-3-20 1073 Riverside Box Canyon, Colorado Desert. Comment
  POM351671  Chaenactis carphoclinia var. carphoclinia Anstruther Davidson 1903-5-3 2250 Riverside Thermal. Comment
  RSA761043  Chaenactis carphoclinia var. carphoclinia Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-21 154 Riverside N of Desert Center. Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  SEINET10801716  Chaenactis carphoclinia var. carphoclinia David B. Dunn 1947-3-16 Dunn 2907 Riverside Hill slope by quadrat IV. Pushawalla Canyon Biota. Indio Hills. Comment
  JEPS108701  Chaenactis fremontii C. Spurrier, M. J. Way 2001-6-13 2 Riverside Big Morongo Canyon Preserve, 1.3 km n of Indian Ave., just E of Hwy 62 525 Comment
  JOTR28935  Chaenactis fremontii La Doux, Tasha 2005-3-30 1171 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA771677  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4991 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66012 750 Comment
  SEINET3133949  Chaenactis fremontii S. B. Parish 1907-4-19 6076 Riverside W borders of the Colorado desert 100 Comment
  UC61701  Chaenactis fremontii L. D. Copeland 1904-4-30 Riverside West Canon Palm Springs, West Canon Comment
  SD227733  Chaenactis glabriuscula A. C. Sanders 1994-5-29 14546 Riverside San Bernardino Mountains: Morongo Indian Reservation, slopes among hills on the low pass between Millard Cyn. And Potero Cr 750 Comment
  UCR133425  Chaenactis glabriuscula Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 209 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCSB11119  Chaenactis glabriuscula Haines, Bruce 1962-5-5 Riverside 6.6 miles south of Banning on Banning to Idyllwild Road 1158 Comment
  SBBG104646  Chaenactis glabriuscula var. glabriuscula M. A. Patten 1992-5-14 92 -6 Riverside Cherry Valley, just N of Cherry Park Dr, between Mtn View Ave and Beaumont Ave Comment
  UCR279498  Chaenactis stevioides A. C. Sanders, Jim Malusa 2017-3-25 43005 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  JOTR01244  Chaenactis stevioides Cole, James E. 1941-4-13 545 Riverside Joshua Tree National Park. OLD DALE SANDY FLATS 396 Comment
  UCR20633  Chaetopappa aurea W. W. Mayhew 1977-7-5 s.n. Riverside San Jacinto Mtns, 2 mi. west of Idyllwild 1494 Comment
  RSA0093770  Chamaesyce albomarginata Duncan S. Bell 2015-9-30 8685 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA619314  Chamaesyce albomarginata A. C. Sanders, K. C. Rose 1998-9-29 22239 Riverside West edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills. Comment
  RSA793559  Chamaesyce micromera Duncan S. Bell 2012-9-13 4175 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  RSA763996  Chamaesyce polycarpa Justin M. Wood, Dustin M. Ray 2010-10-21 3005 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  SBBG32248  Chamaesyce polycarpa L. S. Rose 1966-12-11 Riverside La Quinta 91 Comment
  SBBG45531  Chamaesyce polycarpa Leota Davidson 1965-5-14 153 Riverside Joshua Tree Nat Monument Comment
  UC1537002  Chamaesyce polycarpa Gordon H. True Jr. 1935-2-20 6 Riverside Box Springs Sycamore Canyon Comment
  SEINET6938522  Chamaesyce polycarpa W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside 2.5 miles west of Route U.S 395 and ca. 5 miles southeast of Lake Mathews. Comment
  RSA27501  Chamaesyce polycarpa var. polycarpa I. L. Wiggins 1941-3-26 s.n Riverside Along wash at Wiley well. Comment
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May 3 2014
  UC218620  Cheilanthes clevelandii S. B. Parish 1918-4-3 11690 Riverside mouth of San Jacinto River Canyon 914 Comment
  SEINET903948  Cheilanthes covillei Scott D. White 1996-1 4460 Riverside Idyllwild Area: Alvin Meadows and unnamed canyon upstream. San Jacinto Mountains. USGS Blackburn Cyn 7.5 topo (immed. Adjacent to Idyllwild topo) 1525 Comment
  UCR132352  Cheilanthes newberryi Michael D. Wilcox 2003-5-13 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  CAS-BOT-BC70338  Cheilanthes parryi Barbara Shervanick 1973-2-18 652 Riverside Palm Springs, end of Raquet Club Road, about 1/2 mile from Aerial Tramway, San Jacinto Mts., Salton Sea, Colorado Desert 365 Comment
  POM885  Cheilanthes parryi Anonymous 1904-1 s.n. Riverside Chino Canyon, Palm Springs Comment
  RSA0043063  Cheilanthes parryi Duncan S. Bell, LeRoy Gross 2014-3-20 6269 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  SEINET10971572  Cheilanthes parryi David B. Dunn, Shogo; Harold L. Lint 1947-12-21 Dunn 3574 Riverside Fern leaves unfolded 2 weeks after the rain. Collected in the Indio Hills, W of the town of Indio in the Coachella Valley, Colorado desert. Comment
  CHSC8071  Chenopodium Edward L. Smith 1958-3-21 465 Riverside Located at Indio. -6 Comment
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Apr 7 2008
  UCR115925  Chenopodium Mitch Provance 2000-12-10 2284 Riverside Riverside, 'Jilberto's Mexican Restaurant', c. 0.5 miles west of Hwy 215 on University Ave. 299 Comment
  UCR242659  Chenopodium berlandieri A. C. Sanders 2013-7-7 40860 Riverside Peninsular Range; San Jacinto Mountains, near central Idyllwild, west side of Hwy 243 at road junction to Astrocamp (Saunders Meadow Rd.) and 0.15 km NE of Tollgate Rd. junction 1596 Comment
  UCR18790  Chenopodium botrys John C. Roos 1952-6-10 5756 Riverside Santa Ana River in Riverside 259 Comment
  RSA700016  Chenopodium californicum Scott D. White, Michael Honer 2003-4-4 8934 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR114326  Chenopodium missouriense Mitch Provance 2000-9-18 2265 Riverside Riverside, Prenda area, south side of Hermosa St., c. 0.25 mile west of the intersection with Washington St. 610 Comment
  UCR91041  Chenopodium murale George K. Helmkamp 1996-1-18 96-8- 3 Riverside Sonoran (Colorado) Desert, Colorado River Valley, c. 2 miles NE of Blythe 82 Comment
  UCR197292  Chenopodium pumilio Mitch Provance 1998-7-23 912 B Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  CAS-BOT-BC231783  Chilopsis linearis Carl B. Wolf 1932-4-26 2983 Riverside Colorado Desert. 8 mi. E. of Mecca, on Blythe Road 91 Comment
  HSC79286  Chilopsis linearis G. K. Helmkamp 1984-5-5 - 9 Riverside Little San Bernardino Mtns., Big Morongo Canyon, 4 mi. below the caretaker's house at the Big Morongo Preserve 549 Comment
  UCR193960  Chilopsis linearis A. C. Sanders 2008-7-25 35923 Riverside Interior South Coast; San Jacinto Valley, Gilman Springs Road at mouth of Massacre Canyon, 0.7 mi. NW of Gilman Hot Springs 467 Comment
  UCR59839  Chloracantha spinosa George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, W of Blythe, c. 0.5 mi. south of Hwy I-10 ['I-8'] , at Seeley Ave. [=16th Ave.] and Calif. Hwy 78 79 Comment
  UCR23855  Chloris gayana John C. Roos 1965-9-16 s.n. Riverside San Jacinto Comment
  CAS-BOT-BC184863  Chloris virgata Mrs. C. M. Wilder 1909-9-3 s.n. Riverside West Riverside. Comment
  JEPS68481  Chloris virgata W. L. Jepson 1912-11-1 5269 Riverside Palo Verde Valley, Blythe 82 Comment
  SEINET3926090  Chloris virgata Carl B. Wolf 1932-4-28 3071 Riverside Colorado Desert. Chuckwalla Valley. 20 mi. west of Blythe on the Mecca Road.; 0 400 Comment
  RSA5163  Chorizanthe brevicornu var. brevicornu Carl B. Wolf 1932-4-26 2974 Riverside Colorado Desert: 5 mi. E of Mecca on Blythe rd. 30 Comment
  HSC66732  Chorizanthe corrugata D. L. Goforth, D. Reed 1980-3-25 356 Riverside Hwy. 195, 6 miles E of Mecca. Box Canyon, Mecca Hills 122 Comment
  POM84699  Chorizanthe corrugata M. Hill 1926-3-13 s.n. Riverside Near Dos Palmos. Comment
  RSA0120321  Chorizanthe corrugata Duncan S. Bell 2016-3-13 8923 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  UCR148853  Chorizanthe corrugata 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
  RSA500539  Chorizanthe leptotheca Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3613 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  UC534896  Chorizanthe leptotheca Susan G. Stokes 1934-7-1 311 Riverside road to Idyllwild (San Jacinto Mountain); San Jacinto Mountain 1219 Comment
  RSA0098332  Chorizanthe parryi var. parryi Marc A. Baker 2015-4-15 18326 Riverside San Gorgonio Pass, 11 km east of Banning, 30 km NW of Palm Springs, 1.8 km north of Cabazon, 3.5 km east of the San Gorgonio River. 652 Comment
  RSA496372  Chorizanthe polygonoides var. longispina Steve Boyd, Tim S. Ross, Laural Arnseth 1989-3-19 3046 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  RSA720446  Chorizanthe polygonoides var. longispina Naomi Fraga, Valentin Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1697 Riverside East of Fobes Ranch Road, about 1/2 mile south of Fobes Ranch. 1616 Comment
  UCR155809  Chorizanthe polygonoides var. longispina Chris E. True 2005-4-25 s.n. Riverside Temecula Region, summit of Oak Mountain, north of Vail Lake 823 Comment
  RSA607655  Chorizanthe procumbens R. S. Woglum 1938-5-1 1604 Riverside Peninsular Ranges: South of Hemet; San Jacinto Valley west of San Jacinto Mountains. Comment
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Jun 9 2012
  CLARK-A1528-1770  Chrysopsis villosa John C. Roos 1937-8-19 2499 Riverside San Jacinto Mountains Comment
  CLARK-A1656-609  Chrysothamnus paniculatus Lois Ann Scott 1978-1-21 Riverside Desert Hot Springs Comment
  SD70008  Chylismia arenaria Darley F. Howe 1968-3-19 Riverside Graham Pass, Little Chuckwalla Mountains. Comment
  UCD103716  Chylismia brevipes LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1408 Riverside Colorado Desert. Chocolate-Chuckwalle Mountains region. Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 479 Comment
  OBI38923  Chylismia claviformis A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6078 Riverside Corn Spring, Chuckwalla Mts, was below the spring ans wsh and rocky slopes to the S 488 Comment
  SBBG100299  Chylismia claviformis W. L. Halvorson 1977-3-8 77 -90 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  CAS-BOT-BC160612  Chylismia claviformis subsp. aurantiaca Mrs. G Earle Kelly 1926-4-1 s.n. Riverside Painted Canyon near Indio Comment
  CAS-BOT-BC160629  Chylismia claviformis subsp. aurantiaca Aven Nelson; Ruth A. Nelson 1939-3-22 3215 Riverside Near Palm Springs, hiway 99 Comment
  RSA0117924  Chylismia claviformis subsp. aurantiaca Sarah J. J. De Groot, Cheryl Sevilla 2016-3-15 7638 Riverside Santa Rosa Mountains, southwest of Coachella, west of Mecca. Mouth of Toro Canyon, east-northeast of Martinez Mountain. Southwest of junction of Monroe Street with 64th Ave. 2 Comment
  UC1184381  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-16 11626 Riverside just w Blythe Air Field Comment
  UCSB4425  Chylismia claviformis subsp. aurantiaca Beeks, Richard 1952-4-4 Riverside US 99; opposite Twenty Nine Palms turnoff Comment
  SEINET5344366  Chylismia claviformis subsp. claviformis N. H. Holmgren, P. K. Holmgren 1974-3-23 7470 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca. 244 Comment
  POM17937  Cichorium intybus P. A. Munz 1923-6-14 7119 Riverside Corona Comment
  RSA0070670  Cirsium occidentale var. californicum D. L. Banks 1997-5-5 1978 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR136249  Cirsium occidentale var. californicum A. C. Sanders 2004-4-20 27573 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
  RSA594503  Cirsium vulgare D. L. Banks, Rashmi Pant 1996-5-13 1015 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; In a small spring in oak woodland, approximately 1 km E of the Dripping Springs Guard Station, S of Hwy. 79 536 Comment
  POM12974  Cistanthe monandra P. A. Munz, I. M. Johnston 1922-5-21 5516 Riverside 1/2 mile above Keen Camp, San Jacinto Mountains 1524 Comment
  POM11500  Cistanthe monosperma P. A. Munz 1922-7-7 6039 Riverside San Jacinto Peak. 3293 Comment
  RSA615135  Citrus sinensis A. C. Sanders 1997-3-2 19774 Riverside N of Spruce St between the RR and the Gage Canal. near foot of Box Springs Mtns. 305 Comment
  RSA736701  Clarkia dudleyana Scott D. White 2004-4-26 10248 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UCR1639  Clarkia dudleyana R. G. Barber 1962-5-12 98 Riverside Box Springs Mtns., top of Box Spring Mountain, near (south of) the main gorge [Big Springs Canyon] on the W side of the mountain 915 Comment
  RSA180407  Clarkia epilobioides E. W. Lathrop 1965-5-30 5785 Riverside 6 miles W of Murrieta. Comment
  UCR115428  Clarkia epilobioides Scott D. White, D. E. Bramlet 1999-4-22 7242 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  CAS-BOT-BC163864  Clarkia purpurea subsp. quadrivulnera E. H. Daniels; J. Bates 1932-6-6 s.n. Riverside Alberhill, Temescal Canyon, between Corona and Elsinore 350 Comment
  RSA525333  Clarkia purpurea subsp. quadrivulnera Steve Boyd, A. C. Sanders, M. Skinner 1990-4-28 4463 Riverside Vail Lake area, Hwy R3 (Sage rd) at junction with Debby Road. just S of Sage. Comment
  RSA768245  Clarkia purpurea subsp. quadrivulnera Justin M. Wood 2010-5-19 1842 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  SDSU13942  Clarkia purpurea subsp. quadrivulnera Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2133 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UC20031  Clarkia rhomboidea H. M. Hall June, 1901 2270 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  RSA585628  Claytonia parviflora subsp. viridis D. L. Banks, Steve Boyd 1995-3-15 0063 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
  UCR168685  Claytonia perfoliata T. B. Salvato, John F. Green 2004-5-27 585 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
  UCR214125  Claytonia perfoliata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37731 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  RSA503419  Claytonia perfoliata subsp. perfoliata J. D. Olmsted 1962-5-10 3624 Riverside Coldwater Canyon, Corona city water supply 396 Comment
  UCR86887  Claytonia perfoliata subsp. perfoliata A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16285 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
  SD137656  Clematis lasiantha Darin L. Banks, Steve Boyd 1995-3-15 69 Riverside Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 762 Comment
  CHSC35508  Clematis pauciflora Jeanne Muro 1972-4-29 39 Riverside 3 mi. SW of Murrieta on Tenaja Rd. 548 Comment
  SBBG2127  Clematis pauciflora H. and M. Dearing 1939-4-5 3090 Riverside above Hemet Valley on Beaumont Rd Comment
  SDSU12919  Clematis pauciflora Janet M. Knots, Jill Steinberg 1998-3-11 11 III1998B Riverside ca. 0.25 mile along foot trail leading southeast from road, ca. 0.25 mile northeast of Santa Margarita (SDSU) Field Station, north of Santa Margarita River. 335 Comment
  RSA615138  Cleome isomeris A. C. Sanders, O. F. Clarke, H. Forster 1997-3-2 19769 Riverside Box Springs Mountains E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  RSA0117423  Collinsia concolor Steve D. Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2263 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA0117459  Collinsia concolor Duncan S. Bell, Valentin Arvizu 2010-5-24 1096 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1382 Comment
  SD73630  Collinsia concolor Helen V. Witham 1970-5-1 845 Riverside steep north slope, Bautista Canyon, southeast of Hemet 800 Comment
  UC1495656  Collinsia concolor R. T. Clausen 1963-4-18 63052 Riverside 10 km se Murrieta (n slope of ridge s of Santa Gertrudis Creek); Transverse Ranges 360 Comment
  UCR23209  Collinsia concolor J. C. Lyman 1981-5-31 s.n. Riverside San Jacinto Mtns., May Valley Road, Idyllwild 1768 Comment
  SEINET2445248  Collomia grandiflora T. B. Salvato, John F. Green 2004-5-27 550 Riverside San Bernardino Mtns. Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp. Forest Falls 7.5' Q.; 0 1341 Comment
  RSA28642  Colubrina californica A. M. Alexander, Louise Kellogg 1941-5-20 2206 Riverside 5.2 miles northwest of Desert Center, Eagle Mountain pumping station road. 457 Comment
  CLARK-A1528-138  Conium maculatum Fred B. Essig 1967-6-22 Riverside Santa Ana River Comment
  RSA0106274  Convolvulus arvensis Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR250094  Convolvulus simulans A. C. Sanders 2014-4-18 41038 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Horsethief Canyon Road and Glen Eden 372 Comment
  UCR166078  Conyza canadensis John F. Green 2005-2-10 s.n. Riverside Perris-Aguanga Basin, Moreno Valley; N of the 60 Fwy, NW block at intersection of Lasselle St and Ironwood Ave 573 Comment
  JEPS15512  Cordylanthus rigidus subsp. setiger Peter H. Raven, Sidney R. Snow 1956-6-30 9541 Riverside Dripping Springs Guard Station, Temecula River Comment
  JEPS6775  Cordylanthus rigidus subsp. setiger W. L. Jepson 1901-5-19 1269 Riverside on journey from San Jacinto River to Strawberry VAlley Upper San Jacinto Valley 609 Comment
  RSA770422  Coreopsis bigelovii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4876 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  CAS-BOT-BC101303  Corethrogyne filaginifolia Philip A. Munz 1938-8-24 15383 Riverside ridge east of Toro Peak, Santa Rosa Mts. 2438 Comment
  CAS-BOT-BC101307  Corethrogyne filaginifolia Edmund C. Jaeger 1939-8-30 s.n. Riverside Radec, junction S. of Sage, W. of Aguanga Comment
  RSA829  Corethrogyne filaginifolia J. T. Howell 1927-8-2 560 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  SBBG59861  Cornus nuttallii M. Lewis 1947-8-26 25 Riverside N slope of Dark Cyn 1981 Comment
  UCSB4670  Cornus sericea DeWitt, Jack 1959-5-17 Riverside At Dark Canyon Camp grounds; near Idyllwild; San Jacinto Mtns. 1524 Comment
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Nov 5 2018
  POM13094  Coryphantha alversonii P. A. Munz 1922-4-12 5014 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  UCR72464  Cosmos bipinnatus Michael A. Patten 1992-5-27 92- 15 Riverside Green River Golf Club, near San Bernardino and Orange county lines 131 Comment
  CAS-BOT-BC291361  Cotula coronopifolia Mrs. J. D. Abrams 1901-5-23 s.n. Riverside Elsinore Comment
  UCR154548  Crassula aquatica Jason L. Hlebakos 2005-5-18 698 Riverside Santa Rosa Plateau, Pool on E side of Mesa de Burro, above upper end of Miller Canyon 610 Comment
  UCR84600  Crassula connata Scott D. White, S. Ogg 1994-4-21 1968 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  JEPS8653  Cressa truxillensis Rimo Bacigalupi with G. T. Robbins 1954-5-16 4467 Riverside 1/2 mi. w. Lakeview (and just e. of Lakeview (formerly Ginsberg) Hot Springs); valley of San Jacinto R. 432 Comment
  RSA575913  Cressa truxillensis Steve Boyd, Darin L. Banks, Bob Boyd 1994-9-29 8373 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UCR110399  Cressa truxillensis A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23182 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  RSA503149  Crossosoma bigelovii G. D. Wallace 1966-3-26 233 Riverside Whitewater Canyon; 13 mi. E. of Banning, San Bernardino Nat'l For. 427 Comment
  RSA79180  Crossosoma bigelovii P. A. Munz, P. C. Everett 1952-5-2 16235 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  RSA85074  Crossosoma bigelovii F. W. Peirson 1933-4-15 10653 Riverside Whitewater River E of Cabezon, 4.5 mi. up stream from Hwy. 701 Comment
  UCSB3801  Crossosoma bigelovii Walker, Clifford 1954-4-10 Riverside Near the head of Whitewater Canyon Comment
  JEPS52474  Croton californicus F. M. Reed 1905-9-25 Riverside Riverside Comment
  RSA480575  Croton californicus N. C. Cooper 1943-9-26 935 Riverside Cabazon. 549 Comment
  RSA796020  Croton californicus Duncan S. Bell 2009-4-18 244 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  UCR175366  Croton californicus Jim Andre 2006-4-26 6777 Riverside South Mojave Desert, Joshua Tree National Park: west of upper Long Canyon, c. 5 mi south of the radio tower and NE corner (boundary) of the park 1325 Comment
  RSA480578  Croton californicus var. californicus B. C. Templeton 1931-4-23 s.n. Riverside Gavilan Peak. 500 Comment
  POM87122  Croton californicus var. mohavensis Marcus E. Jones 1906-4-27 s.n. Riverside Palm Springs. Comment
  CDA1924  Crypsis schoenoides Steve Boyd, Orlando Mistretta 1989-7-18 3764 Riverside Vail lake area, conflence of Kolb Creek with lake. Comment
  UCR116477  Crypsis schoenoides A. C. Sanders, T. B. Salvato 2001-5-25 24377 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  CDA40492  Cryptantha angustifolia G. D. Barbe, T. C. Fuller 1973-2-27 1042 Riverside Mouth of Box Canyon Wash, west side of Coachella Canal, on Highway 195 east of Mecca. 0 Comment
  CSUSB1580  Cryptantha angustifolia I. G. Rauch 1968-4-9 S. N. Riverside Palm Desert Palm Desert, Dead Indian Creek Wash Comment
  RSA799878  Cryptantha angustifolia Scott D. White, Robert Black 2011-2-25 13388 Riverside Sonoran Desert: Kaiser Road N of 10 freeway along long bend in road. 207 Comment
  SEINET10455845  Cryptantha angustifolia Billy Joe Cox 1975-4-23 Cox 4146 Riverside Palo Verde, 1-3 km W, (ca 32 mi S of Blythe); creosote desert scrub; sandy and gravelly entisols. 70 Comment
  PASA1975  Cryptantha barbigera Sally Ellis 1939-3-31 Riverside Colorado Desert Comment
  RSA518035  Cryptantha barbigera Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1330 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Hwy 195. Comment
  SBBG87819  Cryptantha barbigera A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6116 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  UCSB41260  Cryptantha barbigera Cowan, Clark 1978-4-23 Riverside 6.3 mi. (10 km) S on 74 from its jct. w/ Hwy 111 at Indian Wells; Whittaker transect #W-219 480 Comment
  RSA781905  Cryptantha barbigera var. barbigera Duncan S. Bell 2010-5-1 885 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA709186  Cryptantha barbigera var. fergusoniae A. C. Sanders 1987-02 6976 Riverside Sonoran (Colorado) Desert: foot of Rabbit Peak on the trail up from the mountain from the east. 61 Comment
  UCR276655  Cryptantha barbigera var. fergusoniae Jim Andre 2015-3-6 33550 Riverside Coachella Valley, along Snow Canyon oad, just south of Hwy 111 362 Comment
  JEPS123727  Cryptantha costata J. Andre, T. La Doux 2009-2-25 10818 Riverside Palen Dry Lake, approx. 6 mi north of I-10 freeway about 15 mi E of Desert Center. USGS 7.5 min. quad. Sidewinder Well. Comment
  SEINET1004372  Cryptantha costata Natham Moorhatch 2005-1 Riverside Western Sonoran (Colorado) Desert: Coachella Valley, E. edge of Santa Rosa Mtns., La Quinta, W of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 18 Comment
  UCR194828  Cryptantha decipiens var. corollata Scott D. White 2006-4-27 11286 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  RSA784939  Cryptantha holoptera Duncan S. Bell 2012-2-12 3107 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA79569  Cryptantha holoptera F. W. Peirson 1935-4-17 11475 Riverside 30 miles north of Blythe. Comment
  RSA524607  Cryptantha intermedia Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3930 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  RSA594003  Cryptantha intermedia D. L. Banks, Elizabeth Hedge Banks 1996-5-2 935 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
  UC164378  Cryptantha intermedia H. M. Hall 1901-6-1 2180 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  UC56843  Cryptantha intermedia H. M. Hall 1902-4-26 2991 Riverside vicinity Riverside 365 Comment
  UCR172263  Cryptantha intermedia 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
  RSA774928  Cryptantha maritima Duncan S. Bell 2011-4-7 2164 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  UCR276658  Cryptantha maritima Jim Andre 2015-3-6 33569 Riverside Coachella Valley, far northwest corner of valley, 0.5 mile west of Hwy 62 at mouth of Dry Morongo Wash, 0.3 mile north of (dirt) Kolbe Road 561 Comment
  RSA699345  Cryptantha micrantha J. R. Bruff 1928-4-2 s.n. Riverside Whitewater Comment
  UCR100037  Cryptantha micrantha var. lepida Scott D. White 1994-4-23 2046 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR157669  Cryptantha muricata A. C. Sanders, N. Ferguson 1994-6-2 14635 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  RSA0079251  Cryptantha muricata var. jonesii Steve Boyd 1995-4-24 8476 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  RSA0079568  Cryptantha muricata var. jonesii J. C. Roos 1950-4-15 4732 Riverside The summit of Reche Canyon. 793 Comment
  SBBG6270  Cryptantha nevadensis var. nevadensis C. H. Muller 1952-4-6 9501 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  VVC2474  Cryptantha nevadensis var. nevadensis Tim Thomas 2013-3-18 5933 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  UCR18153A  Cryptantha pterocarya var. cycloptera A. C. Sanders 1979-3-9 947 A Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns, Deep Canyon Reserve south of Palm Desert. In the gorge of Deep Canyon above the Research Center - near bucket #24 366 Comment
  RSA0079492  Cryptantha pterocarya var. stenoloba Duncan S. Bell 2011-4-7 2177 A Riverside The northeast side of the Arica mountains; approximately 2.5 air miles northwest of Priests Well, or approximately 4.3 air miles southwest of the ghost town of Rice. 339 Comment
  JEPS67901  Cryptantha utahensis Marjorie D. Clary 1933-3-26 2073 Riverside Ebbens Creek Wash Santa Rosa Mountains 304 Comment
  UCR244403  Cryptantha utahensis Jim Andre 2012-4-16 20985 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  RSA0106721  Cucurbita palmata Duncan S. Bell 2011-9-30 2943 B 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
  CAS-BOT-BC224550  Cuscuta californica A. C. Sanders; Kerry Knudsen; T. B. Salvato 2004-5-18 27901 Riverside Peninsular Range: summit ridge of Alberhill Mountain, along dirt road 503 Comment
  RSA674613  Cuscuta californica Scott D. White 2000-8-5 8106 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  RSA71003  Cuscuta ceanothi F. W. Peirson 1924-7-29 5036 Riverside Banning to Idyllwild Rd. 1555 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
  POM201675  Cuscuta subinclusa L. M. Booth 828 Riverside Santa Ana River at Chino Creek, near Prado. Comment
  JEPS66873  Cylindropuntia bigelovii W. L. Jepson 1914-5-18 6033 Riverside n Indio; Colorado Desert, County Well 152 Comment
  UCR262461  Cylindropuntia californica Julie Nguyen 2013-4-6 03 Riverside Riverside, Sycamore Canyon Wilderness Park, c. 1 mile from Hwy 60 427 Comment
  UCR99885  Cylindropuntia ganderi Jon P. Rebman, A. Salywon 1997-3-21 3832 Riverside Santa Rosa Mtns., along Hwy 74, 11.7 mi SW of jctn. with Hwy 11 966 Comment
  CAS-BOT-BC190214  Cynodon dactylon Lewis S. Rose 1957-1-3 57003 Riverside La Quinta. 15 Comment
  JOTR32387  Cynodon dactylon La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2491 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
  POM153391  Cyperus erythrorhizos Phillip A. Munz, I. M. Johnston 1928-9-12 11260 Riverside Temescal Canyon, Lee s Lake. Comment
  RSA500204  Cyperus erythrorhizos Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3540 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  RSA544304  Cyperus erythrorhizos Steve Boyd 1991-7-13 6409 Riverside Temescal Canyon, W base of Gavilan Hills, site of old glass factory between Temescal Wash & I-15, just S of Cajalco Road. Comment
  SEINET7582457 Image available Cyperus odoratus Mary F. Spencer 1921-7-16 1688 Riverside Soboba Hot Springs near San Jacinto. 579 Comment
  UCR59235  Cyperus parishii Jeri Hirshberg 1989-7-20 s.n. Riverside Diamond Valley, south of Newport Road, near Searl Ranch. Comment
  CDA2598  Cyperus rotundus K. E. Hoffmaster Jul 1958 Riverside Indio. 0 Comment
  UCR20923  Cyperus squarrosus A. C. Sanders 1978-7-3 0839 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  SEINET944513  Dalbergia sissoo Fujio Shibuya 1983-1 s.n. Riverside Riverside Co., California. Off Highway 86 near Oasis. Comment
  SEINET10773991  Dalea J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12828 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 ca 1.3 km on Whitewater Canyon Road. Comment
  GMDRC9405  Dalea mollis J. M. Andre 2017-3-4 37170 Riverside along west side of US Hwy 95, 21.4 mi. south of Vidal Junction, just north of Big Maria Mountains 123 Comment
  SBBG22979  Dalea mollis D. Myrick 1965-3-3 1071 Riverside near Desert Center 304 Comment
  RSA498347  Dalea mollis Albert J. Perkins 1914-05 s.n Riverside Riverside vicinity Comment
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Sep 3 2011
  SEINET10970016  Dalea mollis David B. Dunn 1948-3-14 Dunn 3771 Riverside Only one. Found in flat open sands near hidden springs ranch 5 mi s of the indio Hills in the colorado desert. Comment
  RSA774925  Dasyochloa pulchella Duncan S. Bell 2011-4-7 2167 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  UCR41237  Datura wrightii N. M. Fellows 1984-3-20 8 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  RSA715071  Daucus pusillus A. C. Sanders, D. Malueg 2003-5-8 26578 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
  UCR174459  Daucus pusillus A. C. Sanders 2006-5-19 32386 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
  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
  SD232612  Deinandra mohavensis Jeri Hirshberg 1995-9-13 Riverside San Jacinto Mountains: seeps and drainages at the edge of the road to Hungry Hollow from Hwy 243, ca. 0.75 mi. SSE of Poppet Flat Rd. jct. with /243, ca 1 mi. E of Poppet Flat. 1219 Comment
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Feb 4 2015
  CAS-BOT-BC9089  Delphinium cardinale Percy C. Everett 1935-6-17 7170 Riverside Temescal Canyon, between Corona-Elsinore Highway and Glen Ivy Resort 365 Comment
  UCR110998  Delphinium parishii subsp. parishii George K. Helmkamp 1998-6-27 4116 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  RSA16371  Delphinium parryi Percy C. Everett 1935-6-17 7160 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  UCR100967  Delphinium parryi G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  RSA784544  Delphinium patens subsp. hepaticoideum J. D. Olmsted 1959-5-13 627 Riverside Drainage area to Santa Ana River: Beacon Pines Ranch on Spring Trail, 100 yd below Main Divide T.T. 823 Comment
  UCR179211  Dendromecon rigida Mitch Provance, Tracy Tennant 1998-6-16 MOR- 385 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  UCD63292  Deschampsia elongata Peter Kamb 1950-7-9 1907 Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  UC857002  Descurainia obtusa subsp. adenophora P. A. Munz 1922-7-4 5975 Riverside Kenworthy; San Jacinto Mts. 1417 Comment
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Mar 25 2011
  RSA776086  Descurainia pinnata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 818 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  SBBG28426  Descurainia pinnata D. Myrick 1964-4-30 835 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert Comment
  UCR264651  Descurainia pinnata Mitch Provance 2013-4-8 413- 07 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR244400  Descurainia pinnata subsp. glabra Jim Andre 2012-4-16 20981 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  POM6595  Descurainia pinnata subsp. menziesii P. A. Munz, L. T. Street, Williams 1919-3-25 2305 Riverside Palm Canyon. 229 Comment
  UCR265010  Descurainia sophia Mitch Provance 2013-4-8 413- 08 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UC9920  Dicentra chrysantha H. M. Hall 1901-8-6 2630 Riverside Chalk Hill; San Jacinto Mountains; Richland 1432 Comment
  RSA367459  Dichelostemma capitatum subsp. capitatum Gale Sphon 1955-5-7 s.n. Riverside Horsethief Canyon, Santa Ana Mtns., Comment
  RSA367465  Dichelostemma capitatum subsp. capitatum D. A. Young 1969-3-21 P 359 Riverside 11 mile W of Elsinore, along Hwy 71. 244 Comment
  RSA367468  Dichelostemma capitatum subsp. capitatum M. B. Dunkle 2957 Riverside 4 miles south of Banning. Comment
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Mar 16 2014
  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
  CLARK-A1528-12  Dichelostemma pulchellum C. M. Flanagan 1973-5-20 OO 505 Riverside Morongo Indian Reservation 1188 Comment
  RSA151135  Dicoria canescens Peter H. Raven 1961-10-8 16840 Riverside Whitewater Wash along Snow Creek road near State Hwy 111. 351 Comment
  RSA696747  Dicoria canescens J. Russell Bruff 1927-10-8 1 -H Riverside Thousand Palms Comment
  SBBG60676  Dieteria canescens S. W. Hutchinson -Mar-1928 207 Riverside near Blythe Comment
  UCR207327  Digitaria sanguinalis O. F. Clarke 2000-1-11 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR111547  Dimorphotheca sinuata Mitch Provance 1999-5-4 1697 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  CAS-BOT-BC150878  Diplacus X australis Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts., San Juan Canyon, Highway 74 609 Comment
  SD137606  Diplacus aurantiacus Darin L. Banks, Steve Boyd 1995-6-2 560 Riverside Cleveland National Forest; Agua Tibia Wilderness area; N face of N peak of Agua Tibia Mountain; on Woodchuck Trail N of the Riverside County boundary, ca Ao mi S of the clay grasslands 901 Comment
  CAS-BOT-BC195680  Distichlis spicata Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  CLARK-A1656-860  Distichlis spicata subsp. spicata Jon Mark Stewart 1983-10-10 Riverside Indio Hills 121 Comment
  UC17546  Ditaxis lanceolata S. B. Parish Apr 4 1896-Apr 13 1896 4141 Riverside (Agua Caliente) Palm Springs (base of San Jacinto Mt); base of San Jacinto Mt., , (Agua Caliente) 152 Comment
  RSA162746  Dithyrea californica John Olmsted 1958-3-29 79 Riverside Transtion zone with interior drainage into Pinto BAsin 10miles N of jct between Cottonwood Pass and Cottonwood Spring Roads on the former which has now becom Pinto Basin Road, Joshua Tree National Monument. 549 Comment
  RSA607585  Dithyrea californica R. S. Woglum 1939-4-11 2204 c Riverside Sonora Desert: Desert Center. Comment
  SD260032  Dithyrea californica J. M. Andre 2013-3-27 24797 Riverside Rice Valley: east saide of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). Ric 7.5'Q 242 Comment
  SEINET7073337  Dodecatheon clevelandii A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCR23259  Dodecatheon clevelandii John C. Roos 1958-4-3 s.n. Riverside Plateau in Reche Canyon Comment
  JEPS108466  Downingia bella Lisa Schultheis 1995-5-9 146 -95 Riverside Santa Rosa Plateau Preserve. Vernal Pool Trail, off of Via Volcano. Comment
  UCR279363  Draba cuneifolia A. C. Sanders, Jim Malusa 2017-3-24 42963 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 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
  IRVC19372  Dryopteris arguta R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  RSA621449  Dryopteris arguta Darin L. Banks 1997-11-15 2190 Riverside North face of Dorland Mountain, east of the Dorland Mountain Arts Colony 537 Comment
  RSA635034  Dudleya lanceolata Valerie L. Soza, LeRoy Gross 1999-6-21 569 Riverside Santa Ana Mountains: Oak Flats, southwest of Serrano Spring. 731 Comment
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Apr 11 2020
  SD181579  Dudleya lanceolata Valerie Soza, LeRoy Gross 1999-6-10 508 Riverside Santa Ana Mountains, upper side of Indian Truck Trail, 2.5 miles from junction with Main Divide Motorway. Open north-facing slope above dirt road. 975 Comment
  CAS-BOT-BC416943  Dudleya pulverulenta Marcus E. A M Jones 1900-7-16 s.n. Riverside Temecula Comment
  UCR161253  Dudleya pulverulenta A. C. Sanders, Kelly Volansky 2005-8-31 31584 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  CAS-BOT-BC109650  Dudleya saxosa subsp. aloides Reid Moran 1947-5-10 2181 Riverside Palms-to-Pines highway 1 mile east of Santa Rosa Summit. 1371 Comment
  RSA397790  Dudleya saxosa subsp. aloides A. C. Life 1925-4-10 s.n. Riverside Desert beyond Banning Comment
  SD135107  Dudleya temeculana Paul H. Thomson Unknown Riverside Near Temecula Comment
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Mar 27 2011
  SEINET10447308  Echinocereus engelmannii A. Evans 1976-4-13 Evans 5172 Riverside Rocky slopes of santa rosa mtns. Comment
  RSA314481  Echinochloa colona R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55370 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA370868  Echinochloa crus-galli R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61273 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  UCR124134  Echinochloa crus-galli Steve Boyd, Orlando Mistretta 1989-7-18 3763 Riverside Peninsular Range, Vail lake area, conflence of Kolb Creek with lake. 427 Comment
  SEINET10564138  Echinochloa crus-galli Boyd 1989-7-18 BOYD 3763 Riverside Vail Lake area, confluence of Kolb Creek with lake. T8S R1W SE1/4 NE1/4 Sec. 16. Rank growth of weedy grasses colonizing recently exposed lakebed. 427 Comment
  CAS-BOT-BC445612  Echinodorus berteroi Samuel B. Parish 1891-11-3 2246 Riverside Elsinore Lake Comment
  POM119234  Echinodorus cordifolius S. B. Parish 1891-11-3 2246 Riverside Elsinore Lake. Comment
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Aug 8 2010
  RSA575910  Eclipta prostrata Steve Boyd, Darin L. Banks 1994-9-29 8370 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  RSA249863  Egeria densa Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38148 Riverside San Bernardino National Forest. Lake Fulmor 1677 Comment
  UCR239855  Ehretia O. F. Clarke 2005-4-9 s.n. Riverside Peninsular Range; foothills of Box Springs Mtns., Riverside, Kalsa yard on Watkins Dr. 351 Comment
  RSA234014  Elatine californica R. F. Thorne, E. W. Lathrop 1969-5-12 37921 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California. 624 Comment
  RSA515312  Eleocharis palustris Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, NE of Mesa de Burro, creek below Guava-De Luz Road, approximately 1.5 miles SW of intersection with Hayes Avenue. 610 Comment
  RSA199000  Eleocharis parishii Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37454 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  SD204779  Elymus condensatus Sarah J. De Groot, Beth Kempton 2006-3-16 5207 Riverside San Jacinto Mountains; dirt road heading east from Castille Canyon Road toward Indian Creek, west of Poppet Flat. 551 Comment
  JOTR35510  Elymus elymoides subsp. elymoides La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3197 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon (Biodiversity Hunt stop4) 1219 Comment
  UC188950  Elymus elymoides subsp. elymoides H. M. Hall 1899-5-25 1177 Riverside El Toro region San Jacinto Mountains Comment
  SEINET251712  Elymus glaucus Unknown 2004-5-27 646 Riverside San Bernadino Mountains; Head of Banning (San Gorgonio River) Canyon close to the San Bernadino Co. line, 0.5 mi SE of Oak Glen Conservation Camp (Forest Falls 7.5' Q). 1402 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
  RSA667004  Emmenanthe penduliflora A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24216 Riverside Hemet. SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte. 500 Comment
  UCR138759  Emmenanthe penduliflora var. penduliflora Scott D. White 1997-5-18 5170 Riverside San Jacinto Mtns., Northern Escarpment south of Banning: along Hwy 243, c. 5 road mi SE of Banning and 5 road mi NW of Vista Grande 1159 Comment
  CAS-BOT-BC131167  Encelia actoni J. Cole 1942-5-19 969 Riverside White Tanks, Joshua Tree National Monument 1280 Comment
  HSC25923  Encelia actoni Richard Spjut 1972-1-20 2128 Riverside Colorado Desert; N base of the Chuckawalla Mtns. 305 Comment
  LA206353  Encelia actoni Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside San Jacinto Mountains, Foot of Idyllwild grade Comment
  RSA713875  Encelia actoni Michael Wall 2006-6-6 419 Riverside East Hemet Valle Vista area off of Cedar Avenue off of Mountain 509 Comment
  SD112394  Encelia actoni Darley F. Howe 1936-6-14 361 Riverside San Jacinto Mountains Comment
  UCR34968  Encelia actoni L. B. Ziegler 1964-9-2 026 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  JOTR01255  Encelia actoni Cole, James E. 1941-6-7 852 Riverside Joshua Tree National Park. LOST HORSE PASS 1371 Comment
  CAS-BOT-BC131345  Encelia farinosa E. A. McGregor 1917-3-18 700 Riverside 5 miles up Painted [Canon] Canyon Comment
  JOTR35377  Encelia farinosa Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 166 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  RSA613658  Encelia farinosa D. L. Banks, Victor Steinmann 1997-3-13 1462 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
  RSA727085  Encelia farinosa Naomi Fraga, Lisa Rojas 2005-2-10 1374 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UC217945  Encelia farinosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4890 Riverside near Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
  POM356686  Encelia farinosa var. farinosa B. C. Templeton 1930-4-9 1001 Riverside North of Palm Springs. Colorado desert 400 Comment
  SDSU13898  Encelia farinosa var. farinosa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2159 Riverside Santa Margarita Ecological Reserve (SDSU), along north-south running dirt road. 396 Comment
  NY70108  Ephedra californica F. A. Thackery 1928-3-6 254 Riverside White Water Comment
  POM119732  Ephedra californica Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 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
  UCSB257  Ephedra californica Gill, Robert 1960-3-23 Riverside About 1 mile from road to Palm Springs on road to Snow Canyon; San Jacinto Mt. Range; Colorado Desert drainage area 396 Comment
  RSA794236  Ephedra nevadensis J. Andre 2012-3-19 21334 Riverside Chuckwalla Mountains; north end of range at Jaeger Nature Sanctuary, 1.5 miles south of junction Eagle Mountain Road and I-10 freeway. 411 Comment
  CAS-BOT-BC81876  Ephedra trifurca Carl B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  RSA4033  Ephedra trifurca C. B. Wolf 1932-4-29 3123 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  POM230606  Ephedra viridis I. W. Clokey 1935-4-17 6509 Riverside Cottonwood Springs. Colorado desert. Comment
  UCD133226  Ephedra viridis C. L. Hitchcock 1966-3-16 24204 Riverside Along Palms to Pines Highway, 7 mi. S. of Palm Desert. Comment
  UC218077  Epilobium campestre P. A. Munz and I. M. Johnston 1922-5-19 5368 Riverside Menifee Valley 426 Comment
  CAS-BOT-BC166138  Epilobium canum subsp. canum Lathrop; Thorne 1967-9-26 6610 Riverside Tenaja Guard Station, 10 mi. NW of Murrieta 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-BC5226  Epilobium canum subsp. latifolium Winifern W. Swarth 1914-9-9 s.n. Riverside San Jacinto Mts. Comment
  RSA680526  Epilobium ciliatum subsp. ciliatum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8647 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
  RSA388408  Epilobium densiflorum Robert F. Thorne, Steve D. Boyd, E. W. Lathrop 1985-7-18 61170 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 534 Comment
  UCR25051  Epilobium glaberrimum A. C. Sanders 1980-8-23 1749 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  POM265817  Epilobium oregonense J. C. Roos 1937-8-18 2528 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  UC454597  Epilobium oregonense I. J. Condit 1910-6-21 Riverside Tahquitz camp San Jacinto Mts (in meadow) 2438 Comment
  SD146207  Epilobium pygmaeum A. C. Sanders, T. B. Salvato 2000-5-25 23418 Riverside Menifee Valley: S. of Newport Road, N. of Holland Road & E. of Bradley Road , 2 miles due E. of Railroad Canyon Lake. (Romoland 7.5' Q) Coastal sage & sparse Chaparral, much of the parcel (flatter areas) cleared a year ago. Uncommon annual in dried pools. 438 Comment
  POM12731  Epipactis gigantea Philip A. Munz 1922-7-1 5934 Riverside Santa Rosa Mountains, Old Nicholas Canyon. 1463 Comment
  UC4492  Epipactis gigantea H. M. Hall July, 1901 2370 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1645 Comment
  UC455182  Epipactis gigantea I. J. Condit 1910-6-24 Riverside San Jacinto Mts.; near spring 914 Comment
  CAS-BOT-BC56935  Equisetum arvense Street; Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon Comment
  RSA34529  Equisetum laevigatum Norman C. Cooper 1944-4-8 1054 Riverside Andreas Canyon 305 Comment
  UCR201661  Equisetum laevigatum Scott D. White, Justin M. Wood 2008-5-15 11977 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCD63441  Eragrostis minor C. E. Good 1939-12-4 Riverside Sage. Comment
  UC187906  Eremalche exilis S. B. and W. F. Parish March, 1881 99 Riverside borders of Colorado Desert at Agua Caliente; borders of Colorado Desert Comment
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Oct 27 2014
  UCR244444  Eremalche exilis Jim Andre 2012-4-16 20935 Riverside Southern Mojave Desert, Joshua Tree National Park; along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of (paved) National Park Loop Rd. 990 Comment
  UCR148481  Eremalche rotundifolia John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  SEINET11981651  Eremalche rotundifolia M. F. Spencer 1922-1 413 Riverside Cathedral Canyon, Palm Springs Comment
  RSA628827  Eremocarpus setiger A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22229 Riverside Morongo Indian Reservation, lower Hathaway Creek Canyon 838 Comment
  CAS-BOT-BC160052  Eremothera boothii subsp. condensata Philip A. Munz 1932-3-14 11990 Riverside Deep Canyon, Coachella Valley 152 Comment
  UC69217  Eremothera boothii subsp. condensata E. E. Schellenger Apr. 1905 Riverside Santa Maria Mts. Colorado Desert Comment
  RSA0123353  Eremothera boothii subsp. decorticans Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9051 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
  JOTR35345  Eremothera refracta Harding, Mitzi, Mark Wheeler 2012-2-28 112 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  JEPS48796  Eriastrum densifolium Marjorie D. Clary 1932-6-5 926 Riverside Dead Indian Trail west side Colorado Desert, Santa Rosa Mts. Comment
  RSA0108908  Eriastrum densifolium subsp. austromontanum Peter Guiden, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 84 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR113545  Eriastrum densifolium subsp. austromontanum Mitch Provance 1998-6-12 699 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  UCR55270  Eriastrum densifolium subsp. densifolium Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., Bautista Canyon, lower end of Bautista Rd. Comment
  RSA0110548  Eriastrum densifolium subsp. elongatum N. C. Cooper 1944-7-15 1579 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  RSA0119715  Eriastrum diffusum subsp. coachellae J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12346 Riverside Coachella Valley, ca. 1 mi E of Desert Hot Springs, Long Canyon, on W side of Long Canyon Road. 396 Comment
  RSA0119710  Eriastrum diffusum subsp. coachellae Charlotte M. Wilder 1907-4-9 709 Riverside Below junction of washes from Palm and Murray canyons. Comment
  UC1392684  Eriastrum eremicum R. F. Hoover 1969-4-14 11229 Riverside just s south city limit; Palm Springs Comment
  SD28074  Eriastrum eremicum subsp. eremicum Carl B. Wolf 1932-5-25 3678 Riverside North base of San Jacinto Mountains; Snow Creek Canyon, 1.0 mile below fish hatchery. 395 Comment
  OBI11567  Eriastrum eremicum subsp. eremicum R. F. Hoover 1969-4-14 11229 Riverside Palm Springs, Just south of south city limit Comment
  RSA0121257  Eriastrum eremicum subsp. eremicum Robert Gustafson 1980-5-5 1572 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  JOTR33874  Eriastrum harwoodii La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3049 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps interspersed w/ basalt outcrops 349 Comment
  SEINET3100713  Eriastrum harwoodii G. Rink, M. Honer, K. Christie 2012-3-19 11084 Riverside NW side of the Mule Mtns, ca 2 miles east of the prison 120 Comment
  UC23874  Eriastrum sapphirinum H. M. Hall 1896-8-27 329 Riverside Strawberry Valley San Jacinto Mountains 1584 Comment
  UC52480  Eriastrum sapphirinum H. M. Hall 1896-8-27 329 Riverside San Jacinto Mountains 1584 Comment
  UC708663  Eriastrum sapphirinum R. Bacigalupi 1941-8-30 2700 Riverside upper end of Kenworthy Flats San Jacinto Mountains 1392 Comment
  UC907918  Eriastrum sapphirinum Carl V. Meyer June 1927 152 Riverside hills near Temecula Comment
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Sep 30 2009
  RSA0121572  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, Valerie Soza 2004-6-22 11546 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  RSA0121576  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1968-6-2 6954 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  UCSB26194  Eriastrum sapphirinum subsp. sapphirinum Gliessman, Stephen 1968-7-18 Riverside Along Saunders Road, 0.5 mile north of junction with Idyllwild Road, San Jacinto Mountains 1600 Comment
  POM40988  Ericameria brachylepis Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula. 366 Comment
  CAS-BOT-BC287637  Ericameria linearifolia C. B. Wolf 1931-5-11 1951 Riverside Ridges above Pipe Creek, above Hemet Valley, San Jacinto Mts 1676 Comment
  SD193071  Ericameria linearifolia W. J. Schrenk 2008-4-30 86 Riverside Anza-Borrego Desert State Park, Coyote Canyon Road 1000 Comment
  UCR91727  Ericameria linearifolia A. C. Sanders, J. Goetzen 1996-5-1 18130 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  SD144047  Ericameria pinifolia A. C. Sanders, T. Tennant 1997-11-14 21604 Riverside San Bernardino Mtns.: Morongo Indian Reservation, Hathaway Canyon. 854 Comment
  UC1979604  Ericameria pinifolia D. L. Banks, Steve Boyd 1995-10-17 0788 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. Comment
  UCD131584  Ericameria teretifolia G. L. Webster; R. Hildreth 1966-12-9 7454 Riverside Joshua Tree National Monument, Split Rock. Comment
  POM357418  Erigeron breweri var. jacinteus Robert Kessler 1920-1 17053 Riverside San Jacinto Mts. Comment
  RSA719791  Erigeron breweri var. jacinteus Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary D. Wallace 2006-9-7 1741 Riverside Along trail to Hidden Lake Divide. 2591 Comment
  SD187344  Erigeron canadensis Scott D. White, Angelia Carey 2004-9-16 10757 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence with San Jacinto River. 579 Comment
  RSA0120443  Erigeron divergens Duncan S. Bell, LeRoy Gross 2016-5-18 9601 Riverside Santa Rosa Mountains; west side of Martinez Mountain; along the Cactus Spring Trail where it crosses Horsethief Creek. 1050 Comment
  RSA717587  Erigeron foliosus A. C. Sanders 2004-5-12 27880 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR150574  Erigeron foliosus var. foliosus D. L. Banks, Michael Kinney 1998-6-8 2210 Riverside Peninsular Ranges; Palomar Mountains region, NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation, just before the Riverside/San Diego County line border 476 Comment
  UCR18241  Eriochloa contracta Bill Isom 1976-1 s.n. Riverside Sonoran (Colorado) Desert, Palo Verde Valley, south of Blythe, South Lovekin Blvd. 76 Comment
  UCR116797  Eriodictyon crassifolium A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24173 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR120803  Eriodictyon crassifolium Ian G. Gillespie, Summer Karsh 2000-5-13 41 Riverside San Jacinto Mtns., c. 200 m up Mt. Edna Road off of Hwy 243 on the northern side of the mountains. 1159 Comment
  RSA771654  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4914 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. 823 Comment
  JOTR32456  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2603 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
  CAS-BOT-BC248627  Eriogonum apiculatum Carl B. Wolf 1932-8-4 3913 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  UC1395196  Eriogonum apiculatum James L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside 4.4 mi nnw, along California Highway 243 Idyllwild (8.9 mi n of the junction with Highway 74, and 1 mi s of Alandale Ranger Station); San Jacinto Mountains Comment
  UC6235  Eriogonum apiculatum H. M. Hall July, 1901 2564 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains Comment
  POM50183  Eriogonum davidsonii H. M. Hall 1901-06 2088 Riverside The vicinity of Chalk Hill 1524 Comment
  RSA792161  Eriogonum davidsonii A. C. Sanders, Mitch Provance 2008-7-11 35750 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 1450 Comment
  UC1329842  Eriogonum davidsonii James E. Cole 1941-6-15 906 Riverside Black Spring Wash Joshua Tree National Monument, Black Spring Wash 1280 Comment
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Feb 24 2013
  UC64500  Eriogonum davidsonii H. M. Hall May, 1899 Riverside Coyote Canyon El Toro Mt., Coyote Canyon Comment
  CAS-BOT-BC256117  Eriogonum deflexum var. deflexum John Thomas Howell 1928-11-4 4083 Riverside Hidden Spring Canyon, 13 miles se of Mecca Comment
  CAS-BOT-BC256125  Eriogonum deflexum var. deflexum Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13258 Riverside U.S. gypsum mine property in Little Maria Mts., 2.3 mi. above Midland P.O. Comment
  UC849362  Eriogonum deflexum var. deflexum C. L. Hitchcock 1940-3-30 5875 Riverside Cottonwood Spring Comment
  UCR167836  Eriogonum elongatum T. B. Salvato, Melissa Clemons 2005-6-2 1335 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
  UC511830  Eriogonum elongatum var. elongatum Frank W. Peirson 1933-4-15 10651 Riverside 4 1/2 mi above the bridge; Whitewater River 701 Comment
  CAS-BOT-BC250138  Eriogonum fasciculatum var. polifolium D. A. Johansen; J. A. Ewan 1932-4-10 7048 Riverside Warners Ranch at Whitewater, Western Colorado Desert Comment
  LA206785  Eriogonum fasciculatum var. polifolium A. M. Johnson; 1932-8-18 4133 Riverside San Jacinto Mountains, along road, down Banning side Comment
  UCR95947  Eriogonum fasciculatum var. polifolium Scott D. White 1996-8-1 4338 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  JOTR35085  Eriogonum inflatum La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3536 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  UCSB8541  Eriogonum inflatum Beeks, Richard 1952-4-5 Riverside 2.15 mi W of jct of US 60-US 70 and US 95 Comment
  RSA342561  Eriogonum inflatum var. inflatum Robert F. Thorne, W. A. Tilforth 1980-5-28 54194 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  RSA393585  Eriogonum inflatum var. inflatum E. C. Jaeger 1922-4-10 723 Riverside Box Canon 91 Comment
  CAS-BOT-BC263118  Eriogonum maculatum C. L. Hitchcock 1940-4-3 5939 Riverside 1 1/2 miles northeast of Cottonwood Springs along 29 Palms Road, Joshua Tree National Monument Comment
  UCR242665  Eriogonum nudum subsp. pauciflorum A. C. Sanders 2013-7-6 40853 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  SEINET3289844 Image available Eriogonum nudum var. pauciflorum M. W. Denslow, Firoozeh Navid-Ara; Valeria Soza 2003-7-13 1455 Riverside Penninsular Ranges; San Jacinto Mountains region: East of Idlyllwild, along South Ridge Road (5S11 rd.) on west facing slope. 1890 Comment
  RSA0080082  Eriogonum parishii Robin L. Kobaly 1977-8-26 s.n. Riverside Along Hwy. 243, east of Lawler Lodge (Lawler County Park). San Jacinto Mtns. Comment
  POM162495  Eriogonum plumatella var. jaegeri E. C. Jaeger 1928-06 s.n. Riverside Cottonwood Springs, Mojave Desert. Comment
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Oct 9 2010
  UCR244294  Eriogonum pusillum Jim Andre 2012-4-16 20879 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  UC77632  Eriogonum reniforme C. R. Orcutt 1889-4-1 Riverside Colorado Desert Comment
  GMDRC5505  Eriogonum saxatile J. Andre, T. La Doux, R. B. Kelley 2011-5-4 21083 Riverside Little San Bernardino Mountains: Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  JOTR28938  Eriogonum thomasii La Doux, Tasha 2005-3-30 1174 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA340183  Eriogonum thomasii Robert F. Thorne, W. A. Tilforth 1980-5-28 54182 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  RSA727603  Eriogonum thomasii Naomi Fraga, Lisa Rojas 2005-2-10 1394 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  SD103935  Eriogonum thomasii J. L. S. Simpson 1965-5-14 Riverside Toward the New York Mountains Comment
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Mar 23 2014
  SD103946  Eriogonum thomasii J. L. S. Simpson 1968-3-21 Riverside Near Amboy Crater Comment
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Mar 17 2014
  UCR72234  Eriogonum thomasii Theo Glenn 1991-5-24 91- 131 Riverside Sonoran (Colorado) Desert, Palen Mtns, NE of Desert Center 399 Comment
  RSA0009607  Eriogonum thomasii Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  RSA0009731  Eriogonum thomasii Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  CAS-BOT-BC262875  Eriogonum thurberi Geo. B. Grant 1902-6-25 s.n. Riverside San Gabriel Canon [Canyon] 457 Comment
  UCD170271  Eriogonum thurberi Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-4 3633 Riverside SE Vail Lake (Temecula Creek, just n of Hwy 79); Vail Lake area, Temecula Creek. 487 Comment
  UCR35086  Eriogonum thurberi L. B. Ziegler 1968-5-7 283 Riverside San Jacinto Mtns, near mouth of Bautista Canyon, foothills of San Jacinto Mtns. 612 Comment
  JOTR35348  Eriogonum trichopes Harding, Mitzi, Mark Wheeler 2012-2-28 115 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  SEINET3160065  Eriogonum trichopes G. B. Grant 1906-5-1 44 -6719 Riverside on Colorado desert at Palm Springs Comment
  JEPS56110  Eriogonum wrightii var. membranaceum Marjorie D. Clary 1932-8-21 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  OBI37471  Eriogonum wrightii var. membranaceum Steve Boyd 1985-10-5 1190 Riverside Harford Springs Co Park, N edge of the Gavilan Plateau, Gavilan Hills 610 Comment
  RSA450252  Eriogonum wrightii var. nodosum J. C. Roos 1967-10-28 s.n. Riverside Whitewater. 427 Comment
  UC68594  Erioneuron pulchellum H. M. Hall 1905-5-1 5961 Riverside Colorado River Colorado Desert (canyons along river) Comment
  CAS-BOT-BC297341  Eriophyllum confertiflorum Annie M. Alexander; Louise Kellogg 1941-4-24 2073 Riverside Gorge of Dry Morongo Creek, Morongo Valley Comment
  RSA388778  Eriophyllum confertiflorum F. T. Sproul 1977-8-10 183 Riverside On hill W of Pioneer Mail. 1700 Comment
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Mar 18 2013
  SEINET2051095 Image available Eriophyllum confertiflorum Ed LaRue 1989-4-26 Riverside 2 air mi. NW of Lake Elsinore, adjacent to Cleveland National Forest, at mouths of Rice and McVicker Canyons. Alberhill Quad 7.5 488 Comment
  UCR274302  Eriophyllum confertiflorum T. B. Salvato, Melissa Clemons 2005-6-6 1422 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  RSA757737  Eriophyllum confertiflorum var. confertiflorum LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4310 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
  POM29805  Eriophyllum multicaule Marcus E. Jones 1882-5-27 s.n. Riverside San Jacinto Mts. Comment
  POM358076  Eriophyllum multicaule Ora M. Clark 1929-4-6 1942 Riverside South of Hemet. Comment
  SEINET2051199 Image available Eriophyllum multicaule Ricardo Montijo 1990-4-27 Riverside Rancho California area: E. of Santa Rosa Plateau, Green Meadow Road off de Portoloa. Sage 7.5 610 Comment
  UCR51838  Eriophyllum multicaule I. W. Clokey 1935-4-18 6987 Riverside Gavilan Plateau, Gavilan 600 Comment
  SDSU4119  Eriophyllum wallacei T. Bruhns 1965-5-23 130 Riverside At 2,000 ft., sign along state highway 74, below Idyllwild. 610 Comment
  UC472866  Eriophyllum wallacei Mary Fiske Spencer 1926-3-8 26 Riverside Snow Canyon washes, base of San Jacinto Mts; , Snow Canyon Comment
  UCR158508  Erodium botrys A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30046 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  SEINET8553362  Erodium cicutarium H. M. Hall 1903-1 3809 Riverside Vicinity of Riverside, in the Sonoran Zone 396 Comment
  UCR279360  Erodium cicutarium A. C. Sanders, Jim Malusa 2017-3-24 42977 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  RSA775970  Erodium texanum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 861 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE. 396 Comment
  UCR262456  Erodium texanum Stan C. Spencer 2001-4-13 s.n. Riverside Peninsular Range, edge of Wilson Creek, east of Sage Rd. near Radec 511 Comment
  SD128268  Erysimum capitatum R. Mitchel Beauchamp, R. C. Pierce 1971-3-27 2066 Riverside Along Coyote Canyon Road, Terwilliger Valley 1170 Comment
  UCR120626  Erysimum capitatum Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2265 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  SD51955  Erythranthe guttata Reid Moran 1962-7-7 9858 Riverside by Strawberry Creek, 2 miles SE of Idyllwild, San Jacinto Mountains 472 Comment
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Feb 23 2013
  RSA0014877  Erythranthe primuloides P. A. Munz 1922-7-6 5983 Riverside San Jacinto Mountains. Tahquitz Valley. 2195 Comment
  JOTR30806  Eschscholzia La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1748 Riverside Joshua Tree National Park. Stop # 4 =Northwest end of Eagle mountains, near road leading to Cottonwood Canyon. 910 Comment
  RSA0125298  Eschscholzia androuxii Duncan S. Bell 2016-3-3 8775 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  RSA0022931  Eschscholzia androuxii F. W. Peirson 1926-2-22 s.n. Riverside Thousand Palm canyon, near Indio. Comment
  RSA0022975  Eschscholzia androuxii F. W. Peirson 1927-4-11 7153 Riverside 0.5 mile below Whitewater Bridge, head of Coachella Valley. Comment
  RSA329551  Eschscholzia caespitosa subsp. caespitosa Gary D. Wallace 1966-3-26 274 Riverside Thousand Palm Oasis in the Indio Hills 70 Comment
  UC455321  Eschscholzia californica I. J. Condit 1910-6-24 Riverside road to Strawberry Valley San Jacinto Mts. 914 Comment
  LA46282  Eschscholzia minutiflora H. Lewis; 1949-3-26 2222 Riverside 5 mile W of Cottonwood Springs, hwy 60/70 Comment
  UCD96520  Eschscholzia papastillii Shannon M. Still 2009-2-21 439 Riverside California. Riverside County. 229 Comment
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Sep 2 2017
  OBI38395  Eschscholzia parishii A. C. Sanders, Charlton, Pitzer, Stewart, et al 1986-3-2 6061 Riverside Graham Pass, between the Chuckwalla and Little Chuckwalla Mts 503 Comment
  UC68555  Eschscholzia parishii H. M. Hall Apr., 1905 5898 Riverside Chuckawalla Springs Colorado Desert Comment
  RSA0009598  Eschscholzia parishii Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  SEINET9119329  Escobaria alversonii J. Dice, R. Steele, M. Moore 1982-1 Riverside Comment
  RSA695434  Escobaria vivipara var. alversonii Scott D. White, Michael Honer 2003-5-14 9293 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  CAS-BOT-BC334462  Eucalyptus A. C. Sanders; John F. Green 2013-3-27 40687 Riverside Peninsular Range: Alberhill, along Lake St. near the old clay mines, 1.16 km S of I-15 Fwy 388 Comment
  RSA0012586  Eucalyptus citriodora A. C. Sanders 1998-6-12 21981 Riverside UCR campus, in gravel among trailers in ''surge area'' (UCR trailer park) on east side of campus 335 Comment
  UCR163795  Eucalyptus polyanthemos John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2.5 miles NNW of Squaw Mountain near the Cleveland Nat. Forest boundary, SW foot of hill 2414 747 Comment
  SD133073  Eucrypta chrysanthemifolia Scott White 1991-5-10 91 137 Riverside Highway 79, immediately west of U. S. forest Service Campground at Dripping Springs. 548 Comment
  SEINET3091500 Image available Eucrypta chrysanthemifolia B. Pitzer, L. F. LaPre 1987-3-2 418 Riverside Peninsular Range; Bundy Canyon, 2 mi SE of Lake Elsinore, 0.5 mi north of Bundy Canyon Road, off Raciti Rd. Romoland 7.5 703 Comment
  UCR214128  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37743 B 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
  POM145350  Eucrypta chrysanthemifolia var. bipinnatifida J. B. Feudge 1927-3-22 1849 Riverside Palm Springs 183 Comment
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Nov 12 2011
  RSA314636  Eucrypta chrysanthemifolia var. bipinnatifida Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55456 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  SD239815  Eugenia uniflora A. C. Sanders, T. B. Salvato 2012-2-8 39961 Riverside Peninsular Range: Riverside, south side of UCR campus at old C.E.S. Director's garden, S of South Campus Dr., near College Building North (Riverside East 7.5'Q) 353 Comment
  OBI35625  Eulobus californicus Carolyn Eytcheson 1977-12-10 577 Riverside In hills W of San Jacinto and Hemet 488 Comment
  SBBG35142  Eulobus californicus T. L. Secrest 1948-4-10 Riverside near Hemet Comment
  SD227860  Eulobus californicus A. C. Sanders 1994-5-15 14484 Riverside Mount Rubidoux: NW side of Riverside on the east bank of the Santa Ana River. 399 Comment
  SD181547  Euphorbia Louis C. Wheeler 1945-10-6 6147 Riverside San Jacinto Mountains; 0.5 mile east of Ranger Peak. 1372 Comment
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Feb 17 2013
  UCR239858  Euphorbia O. F. Clarke 2004-8-21 s.n. Riverside Peninsular Range, Riverside; UCR Botanic Garden 351 Comment
  UCR127148  Euphorbia albomarginata A. C. Sanders, Guy Bruyea 2003-6-12 26896 Riverside Perris-Aguanga Basin Region, Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  UCR171914  Euphorbia albomarginata John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR199620  Euphorbia albomarginata Scott D. White, Angelia Carey 2004-7-2 10551 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  CLARK-A1656-787  Euphorbia misera Jon Mark Stewart 1982-3-20 Riverside San Gorgonio Pass 441 Comment
  UCR181163  Euphorbia ophthalmica R. E. Riefner Jr. 2005-8-7 05- 591 Riverside Sonoran (Colorado) Desert, Coachella Valley; Rancho Mirage, along Hwy 111 76 Comment
  CLARK-A1528-2643  Euphorbia polycarpa S. C. Warner 1956-5-17 82 Riverside Riverside Comment
  SDSU12861  Euphorbia polycarpa Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998J Riverside Road to southwest of SDSU Santa Margarita Field Station, ca. 1000 feet southwest on road to switchback, southwest of bend in road. 262 Comment
  UCD142706  Euphorbia polycarpa G. L. Webster; R. Hildreth 1966-12-10 7468 Riverside Box Canyon Wash, c. 7-8 mi NE of Mecca on Cal. 195. 198 Comment
  UCR103901  Euphorbia polycarpa B. G. Pitzer 1997-4-11 3105 Riverside Lakeview Mtns, spur off Pulsar View Road leading to utility tower, c. 1 mi by road from the base of the hills. c. 3/4 mi (air) SW of Mt. Rudolph. 604 Comment
  UCR104010  Euphorbia polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-5 2675 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR162761  Euphorbia polycarpa John F. Green 2005-10-20 s.n. Riverside Elsinore Basin/Menifee Valley, Bundy Canyon, N of Bundy Canyon Road c. 2 mi east of Hwy I-15 518 Comment
  RSA278962  Euphorbia polycarpa var. hirtella B. A. Prigge, L. Martinez 1978-3-23 2407 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 243 Comment
  UCR239869  Euphorbia serpillifolia O. F. Clarke 2004-5-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CAS-BOT-BC499162  Euphorbia setiloba A. C. Sanders; Jim Malusa 2015-9-10 41850 Riverside Sonoran (Colorado) Desert: Salt Creek Canyon, along Summit Road, c. 1.5 mi above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  SEINET524441  Euphorbia spathulata R. Thorne 1973-5-23 43862 Riverside Santa Rosa platueau-mesa de colorado 610 Comment
  HSC82755  Fagonia laevis Christopher Davidson 1979-4-4 7705 Riverside Orocopia Mountains, Box Canyon on Box Canyon Rd., 5.9 miles E of Mecca. 305 Comment
  RSA391196  Fagonia laevis Robert Gustafson 1981-4-7 2157 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  RSA77844  Fagonia laevis F. W. Peirson 1932-3-22 9810 Riverside 20 miles North of Blythe on the road to Needles, Eastern Riverside. 152 Comment
  SEINET3004970  Fagonia laevis G. Rink 2011-3-25 10396 Riverside Desert pavement north of Blythe, east of the McCoy Mtns 115 Comment
  UCR200304  Fagonia laevis Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11238 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
  UCR23760  Fagonia laevis John C. Roos 1966-3-26 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 mi SE of Desert Center 366 Comment
  UCR86159  Fagonia pachyacantha A. C. Sanders 1995-5-23 17126 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  UCD170915  Fatoua villosa A. C. Sanders 2004-8-10 28766 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) and south of Nuevo Rd., between San Jacinto River and Nuevo. 433 Comment
  UCR2404  Festuca microstachys F. M. Reed 1920-6-14 4376 Riverside San Jacinto Mtns., Meadows and other ground about Idyllwild 1524 Comment
  UCR241680  Festuca microstachys var. pauciflora T. B. Salvato 2013-3-22 7397 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  SEINET260217 Image available Festuca occidentalis M. Curto, L. Allen 1991-6-26 771 Riverside San Bernardino National Forest ; San Jacinto Mts ca 3km SE of Pine Cove on SBNF Rd 5S10 1650 Comment
  UCR214900  Festuca octoflora A. C. Sanders 2010-3-23 37527 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  UCR85168  Festuca octoflora A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16089 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  RSA381633  Ficus palmata W. P. Armstrong 1986-4-6 1260 Riverside Univ. Calif. Riverside - near hillside test plots E of main campus 366 Comment
  UCR13207  Filago depressa O. F. Clarke 1973-4-1 s.n. Riverside Sonoran (Colorado) Desert, just outside of Joshua Tree National Monument, near Cottonwood Canyon entry 671 Comment
  UCD112796  Frangula californica subsp. tomentella A. C. Sanders 2004-6-20 28215 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Freeway, south of Clay Canyon Road. 305 Comment
  CLARK-A1528-533  Frankenia grandifolia var. campestris Ruth Cooper 1941-6-8 65 K Riverside Perris Comment
  RSA392142  Frasera parryi M. B. Dunkle 1934-6-18 3964 Riverside Upper San Juan Canyon. Comment
  RSA221021  Fraxinus dipetala E. W. Lathrop 1968-5-8 6429 Riverside 3 miles SW of Corona, Hagador Canyon, Cleveland Nat l Forest, Trabuco District. 274 Comment
  RSA262074  Fraxinus dipetala E. W. Lathrop 1966-3-23 6076 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  UCR92241  Fraxinus dipetala Scott D. White 1994-3-29 1935 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  SEINET13943183 Image available Fraxinus velutina A. C. Sanders, J. Goetzen 1996-1 18133 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning; 2600-3000 ft alt., UTM 10 km cell: NH-1E, 5N Banning, 33 deg. 57' N, 116 deg. 52' W, T2S, R1E, S27 E/2 and S34 NE/4 914 Comment
  UCR1227  Fritillaria biflora Martha McCarthy 1960-3-27 s.n. Riverside Santa Ana Mtns, along Tenaja Road, 2.8 mi. west from junction with Washington Avenue in Murrieta Comment
  CAS-BOT-BC520432  Fumaria officinalis O. F. Clarke 2004-3-13 s.n. Riverside Peninsular Range: Riverside: O.F. Clarke residence, 266 Frost Court, E edge of UCR campus 350 Comment
  RSA765482  Funastrum cynanchoides var. hartwegii Doris Hoover Bowers 1972-4-15 1801 Riverside Pulgas Creek Canyon, Rancho California 396 Comment
  CHSC99050  Funastrum hirtellum LeRoy Gross 2005-3-3 1575 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. 68 Comment
  RSA0042920  Funastrum hirtellum Duncan S. Bell, Evan Meyer 2014-4-2 6495 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  SEINET4560610  Funastrum hirtellum Duncan S. Bell 2009-1 298 Riverside Arica Mountais: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  UCR228166  Funastrum utahense Dave Silverman, Mark Bibbo 2010-3-31 7899 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 2.1 km west of Black Creek Rd, 6.5 km ENE of McCoy Peak and 6.6 km north of I-10 189 Comment
  UCR232395  Funastrum utahense Dave Silverman 2010-3-30 7881 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 800 m west of Black Creek Rd, 4.5 km north of I-10, and 8 km east of McCoy Peak 155 Comment
  CAS-BOT-BC223035  Galium angustifolium A. C. Sanders 1995-4-13 16483 Riverside San Bernardino Mtns./Colorado Desert: Devil's Garden, E end of the mtns., 2.1 mi. W of Hwy 62 on Pierson Av. & dirt extension, 1.7 mi. above Sierra Bl. 800 Comment
  UCD170415  Galium angustifolium D. O. Burge 2017-3-12 2222 Riverside Alvin Meadows. 1500 Comment
  UCR88734  Galium angustifolium A. C. Sanders 1995-4-13 16483 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
  POM367712  Galium angustifolium subsp. angustifolium Christopher Davidson 1973-4-1 1808 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  POM46851  Galium angustifolium subsp. angustifolium Charlotte M. Wilder 1904-6-11 111 A Riverside Wilders Canyon; Jurupa Hills near Riverside. Comment
  UCR95234  Galium angustifolium subsp. gracillimum D. L. Banks, E. H. Banks 1996-5-2 0929 Riverside NW Palomar Mountains, Agua Tibia Mtns., NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, c. 20 m inside the preserve boundary gate, 3 m east of the main road along an open field. 448 Comment
  RSA783231  Galium aparine J. D. Olmsted 1962-5-2 3454 Riverside Flat by saddle just N of highest part of Box Spring Mountains 762 Comment
  LA208516  Galium johnstonii F. H. Lewis; 1939-11-22 Riverside San Jacinto Mountains, Dry slope, Idyllwild Comment
  JOTR33778  Galium multiflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2930 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
  JOTR33950  Galium multiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2818 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  JEPS52942  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4242 Riverside 1 mi n Vista Grande Ranger Station (along hwy from Idyllwild to Banning); San Jacinto Mts. 1402 Comment
  UCD170418  Galium porrigens var. porrigens D. O. Burge 2017-3-12 2225 Riverside Alvin Meadows. 1435 Comment
  POM254893  Galium stellatum Philip A. Munz 1940-3-24 15701 Riverside 2 miles north of Cottonwood Spring, Eagle Mountains. 915 Comment
  UCR216497  Galium stellatum var. eremicum Jim Andre, T. La Doux 2009-3-10 11235 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
  UC1541256  Garrya veatchii H. E. and S. T. Parks 1938-2-16 24087 Riverside Hemet Highway to Indio (San Jacinto Mountain); San Jacinto Mountain 914 Comment
  UCD121187  Garrya veatchii R. N. Raynor 1933-3-31 s.n. Riverside Southeast slopes of Mt. San Jacinto. Comment
  RSA585504  Gastridium phleoides D. L. Banks, Steve Boyd 1995-5-9 365 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
  UCR177323  Gastridium ventricosum Scott D. White, Michael Honer 2003-5-27 9414 Riverside Gavilan Hills / Temescal Canyon, hills and canyons c. 1 mile north of the I-15 Fwy and 1 mi east of Lake Street exit, south and/or west of unnamed peak '2349 549 Comment
  SBBG61279  Gayophytum ramosissimum R. Hoffmann 1929-9-5 Riverside Strawberry Valley 1828 Comment
  POM358664  Geraea canescens N. Dunn 1932-3-6 s.n. Riverside Coachella. Comment
  RSA0049913  Geraea canescens Jim Andre 2014-1-27 26676 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA781908  Geraea canescens Duncan S. Bell 2010-5-1 900 Riverside Arica Mountains: northwest section of the project area, approximately 2 air miles south of the junction of Highway 62 and the aqueduct access road. 283 Comment
  SEINET8753916 Image available Geraea canescens Norman C. Cooper 1944-1 2633 Riverside Palm Springs 137 Comment
  RSA263660  Geranium dissectum E. W. Lathrop 1975-5-27 7457 b Riverside West of Murrieta, Santa Rosa Plateau. 610 Comment
  POM10411  Geranium richardsonii Anonymous 1903-07 s.n. Riverside Strawberry Valley. [county not specified] Comment
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Nov 26 2016
  UCD170629  Geranium robertianum A. C. Sanders; T. B. Salvato 2000-5-8 23382 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus. 396 Comment
  RSA470131  Gilia angelensis Mark Morris 1929-3-17 s.n. Riverside Palm Canyon. Comment
  RSA606301  Gilia angelensis Jon E. Keeley 1994-4-22 25325 Riverside Shipley Reserve 670 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
  SD232284  Gilia angelensis Michael Wall 2003-4-15 264 Riverside Peninsular Ranges; San Jacinto Mountains region: Lamb Canyon west of Beaumont off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 33. 601 Comment
  SEINET7073453  Gilia angelensis A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCD117600  Gilia angelensis R. N. Raynor 1933-5-2 s.n. Riverside Box Springs Hills. Comment
  RSA469357  Gilia diegensis M. B. Dunkle 1938-5-28 5281 Riverside San Juan Canyon. Comment
  RSA507951  Gilia diegensis Steve Boyd, C. Boyd, Kyle A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2269 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA0014599  Gilia latifolia Justin M. Wood, J. Miner 2010-4-30 1552 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  RSA0051751  Gilia latifolia A. Lee Haines 1973-3-25 s.n. Riverside Orocopai Mountains. 472 Comment
  UCR277162  Gilia maculata Robert J. Steers 2008-3-18 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Hwy 62 south of intersection with N Indian Canyon Dr., at major wash crossing, NW of Desert Hot Springs 513 Comment
  CAS-BOT-BC407610  Gilia ochroleuca subsp. exilis K. Watkins; E. McClintock 1937-4-9 s.n. Riverside 1 mi. W of San Jacinto Comment
  CAS-BOT-BC407624  Gilia ochroleuca subsp. exilis Frank W. Gould 1943-4-17 2108 Riverside 12 miles S of Corona on Elsinore Road Comment
  UCR256093  Gilia ochroleuca subsp. exilis LeRoy Gross, Evan Meyer 2013-5-21 6112 Riverside Peninsular Range; San Jacinto Mtns., West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point 1631 Comment
  RSA0017269  Gilia ochroleuca subsp. exilis Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA0017287  Gilia ochroleuca subsp. exilis N. C. Cooper 1945-5-24 1635 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA802135  Gilia ochroleuca subsp. vivida Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5014 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  JOTR33731  Gilia stellata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2731 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
  RSA487535  Gilia stellata B. Pitzer 1988-3-10 660 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA736984  Gilia stellata J. Andre, T. La Doux 2008-3-21 8835 Riverside Joshua Tree National Park: Upper Wilson Wash, approx 9.5 mi. S. of North Entrance. 1018 Comment
  SBBG55269  Gilia stellata T. Criswell 1977-2-27 15 Riverside S side of St Hwy 195, ca. 500' W of its jct with Interstate 10, Upper Box Cyn 365 Comment
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Aug 23 2016
  RSA712687  Glinus lotoides A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27909 Riverside Peninsular Range: Alberhill Mountain, SE of old clay mining area. 448 Comment
  RSA725967  Glyceria declinata T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 905 Riverside San Bernardino Mtns.: Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07. 1220 Comment
  POM1630  Glycyrrhiza lepidota Crawford, Johnston 1917-6-9 1228 Riverside Santa Ana River Comment
  UC73173  Glycyrrhiza lepidota M. F. Gilman 1904-1 41 Riverside Banning Comment
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Mar 13 2011
  RSA736923  Gnaphalium canescens Scott D. White, Angelia Carey, Linca Archa 2004-8-5 10671 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  SEINET959511 Image available Gnaphalium canescens subsp. beneolens R. E. Riefner Jr. 2006-1 06 -432 Riverside Peninsular Range: Temecula, Temecula Valley, Hwy 79 at Old Town Front Rd. (Temecula 7.5 Q) 305 Comment
  UCR119264  Gnaphalium canescens subsp. microcephalum Mitch Provance 1998-6-10 637 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  RSA519247  Gnaphalium chilense Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  UCR84377  Gnaphalium leucocephalum Steve Boyd 1994-10-14 8385 Riverside Santa Ana Mtns., San Mateo Canyon Widerness Area of the Cleveland Nat'l Forest. San Mateo Canyon at the confluence with Bluewater Canyon 335 Comment
  SEINET3004917  Gossypium hirsutum G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10335 Riverside Canal two miles north of Blythe. 70 Comment
  JOTR30989  Guillenia lasiophylla La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1967 Riverside Joshua Tree National Park. (Stop 5) Hexie Mountains, slopes above north side of Blue Cut Gorge Comment
  CLARK-A1528-226  Gutierrezia bracteata C. M. Flanagan 1973-5-31 OO 630 Riverside Morongo Indian Reservation 975 Comment
  RSA244349  Gutierrezia californica C. W. Tilforth 1973-8-17 958 Riverside Campus Ave. between Foothill Blvd. & Baseline Rd., Upland. Comment
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Jun 22 2013
  UCR114845  Gutierrezia californica Mitch Provance 1998-2-17 59 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  RSA0104641  Gutierrezia sarothrae Duncan S. Bell 2014-11-14 7728 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  UC1214012  Gutierrezia sarothrae Otto T. Solbrig 1958-8-18 2760 Riverside on Hwy 79 12.3 mi w of Aguanga; Hwy 79 Comment
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Apr 29 2008
  UC32187  Gutierrezia sarothrae H. M. Hall 1901-6-1 Riverside Temescal Wash Comment
  RSA643449  Haplopappus cuneatus A. C. Sanders 1995-11-26 17921 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Tule [peak] Rd., 1/2 mi. E of Spanish Spur Trail, sec. 14. 1280 Comment
  HSC85415  Harpagonella palmeri Steve Boyd 1986-3-9 1384 Riverside Temescal Canyon: Alberhill Mtn., S slope of mtn., just E of claymine area 459 Comment
  UCR59754  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3029 Riverside Peninsular Range, Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 488 Comment
  RSA0066619  Harpagonella palmeri D. E. Bramlet 1995-4-25 2394 Riverside Shipley Reserve/SE corner of Lake Skinner Co. Park. Site is within and beside the Equestrian trail, S of the Tucalota Hills & approx. 702 m SE of the park entrance rd. and 610 m N of East Benton Road. The locality is just SW of knoll 1800 ft. 524 Comment
  CAS-BOT-BC211543  Helianthemum scoparium P. C. Everett 1935-6-18 7175 Riverside San Juan Canyn, near Ortega Highway on road to Santiago Pk., Santa Ana Mts. 701 Comment
  POM2873  Helianthemum scoparium var. aldersonii P. A. Munz 1918-4-27 2137 Riverside Temescal Canyon Comment
  RSA33366  Helianthus annuus subsp. lenticularis N. C. Cooper 1943-9-26 933 Riverside Cabazon; Alkali Flat. 610 Comment
  RSA876  Helianthus gracilentus J. T. Howell 1928-7-7 1038 Riverside Santa Ana Mts. above Glen Ivy. 609 Comment
  UC284802  Helianthus gracilentus P. A. Munz 1923-6-14 7060 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mtns. 1219 Comment
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Apr 1 2013
  UCR16864  Helianthus gracilentus A. C. Sanders 1973-5-20 00136 Riverside Perris-Aguanga Basin region, Sunnymead, Kalmia Ave. east of Steeple Chase Dr. 549 Comment
  UCR177706  Helianthus gracilentus Michael Wall 1996-7-1 166 Riverside Transverse Ranges; San Bernardino Mtns., Cherry Valley, Beaumont Ave./Oak Glen Rd, 2.6 mi N of Cherry Valley Blvd, top of steep E slope of Little San Gorgonio Creek 1037 Comment
  RSA780961  Heliotropium curassavicum Stephanie Rockwood, Christi Gabriel 2011-12-14 216 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 107 Comment
  SD122190  Heliotropium curassavicum var. oculatum James C. Dice, J. DeWald 1987-10-5 735 Riverside Santa Margarita River near aquaduct crossing. 245 Comment
  CLARK-A1528-1919  Hemizonia kelloggii John C. Roos 1943-7-15 2731 Riverside San Timoteo Canyon Comment
  RSA674558  Hemizonia kelloggii Scott D. White, Tasha La Doux 2000-6-3 7999 Riverside S of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA717681  Hemizonia kelloggii A. C. Sanders 2004-5-5 27786 Riverside Gavilan Hills; route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR137042  Hemizonia kelloggii A. C. Sanders 2004-5-5 27786 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  CAS-BOT-BC140532  Hemizonia paniculata A. C. Sanders; T. B. Salvato 2003-5-21 26787 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. & SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  RSA0001298  Hemizonia paniculata S. B. Parish, Parish 1882-06 1419 Riverside Near Temecula Comment
  RSA675799  Hemizonia paniculata Scott D. White 2001-7-9 8719 Riverside Menifee: Ca. 1 mile southwest of Bell Mtn. and 1/2 mile east of I-215 Freeway. 445 Comment
  UCR100374  Hemizonia paniculata A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21615 Riverside Lake Skinner Reserve area, Crown Valley, east of Rawson Road 671 Comment
  UCR150557  Hemizonia paniculata Scott D. White 2003-12-1 9892 Riverside Santa Ana River Valley; city of Riverside; La Sierra area 244 Comment
  UCR159197  Hemizonia paniculata A. C. Sanders, Kelly Volansky 2005-8-31 31597 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR62105  Hemizonia paniculata Ed LaRue 1989-6-14 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, east edge of Plateau overlooking town of Murrieta; c. 1.25 mi west of town and c. 1 mi (airline) east of De Luz Road 549 Comment
  CLARK-A1528-1922  Hemizonia paniculata subsp. paniculata John C. Roos 1965-6-30 Riverside Edgemont Comment
  UCR140450  Hemizonia pungens subsp. laevis A. C. Sanders, Guy Bruyea 2004-4-2 27426 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR181160  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2005-8-28 05- 648 Riverside Peninsular Range, SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
  RSA550339  Hesperocallis undulata Walter Wisura, John Dolan, Michael Wall 1992-3-25 4649 Riverside Lowdesert: 0.5 mile S of I-10 along Wileys Well Road. Comment
  UCR241929  Hesperocnide tenella A. C. Sanders, John F. Green 2013-3-27 40688 Riverside Peninsular Range, Alberhill, along Lake St. near the old clay mines, 1.16 km south of I-15 Fwy 388 Comment
  SDSU12856  Heterotheca grandiflora Janet M. Knotts, Jill Steinberg & Kevin Contreras 1998-3-25 25 III1998C Riverside Road southwest of SDSU Santa Margarita Field Station, ca. 1000 feet S. W. on road to switchback, then ca. 500 feet N.E., heading down to creekbed, south side of road. 244 Comment
  UCSB37816  Heterotheca sessiliflora subsp. echioides 1965-8-18 Riverside Thomas Valley, San Jacinto Mtns. Comment
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Feb 27 2007
  CHSC99615  Hibiscus denudatus LeRoy Gross 2005-3-3 1589 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. Growing in sandy wash. 225 Comment
  JOTR33120  Hilaria rigida La Doux, Tasha, Mike Bell 2003-10-17 1605 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wall Street Mill parking area to Wonderland Wash 1304 Comment
  RSA0099448  Hilaria rigida Duncan S. Bell, Evan Meyer 2014-10-29 7692 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  UCR75088  Hilaria rigida A. C. Sanders, E. J. Lawlor 1992-4-4 12140 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UC68503  Hoffmannseggia glauca E. E. Schellenger 1905-4-18 Riverside Palo Verde Valley; Colorado Desert Comment
  CAS-BOT-BC207551  Hoffmannseggia microphylla Miss Ferguson 1917-4-5 s.n. Riverside Near Palm Canyon Comment
  OBI26133  Hoffmannseggia microphylla David J. Keil 1976-12-12 11913 Riverside Ca. 5 mi E of Indio along I-10 Comment
  RSA0034158  Hoffmannseggia microphylla M. Bourell 1987-4-14 3272 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca. 150 Comment
  RSA335005  Hoita macrostachya Steve Boyd 1985-7-30 1049 Riverside De Luz Rd., 10.4 miles west of Rancho California. Where east branch of De Luz creek first crosses the road Comment
  POM352408  Holcus lanatus Anstruther Davidson 1906-7-18 s.n. Riverside San Jacinto - in meadow-front hotel Comment
  RSA449812  Holodiscus microphyllus G. R. Johnstone 1928-3-9 s.n. Riverside Summit 3294 Comment
  SD30947  Hordeum brachyantherum subsp. californicum Phillip A. Munz 1937-3-27 14936 Riverside Damp flat, overflow from Lake Elsinore 305 Comment
  UCR110453  Hordeum depressum D. E. Bramlet 1998-4-22 2602 Riverside Peninsular Range, E. French Valley-Domenigoni Valley. 396m E. of Winchester Road and 1.68 km south of Holland Road. The meadow is 61m west of the San Diego canal, in the area of the canal bridge road. 450 Comment
  UCR140309  Hordeum depressum A. C. Sanders 2004-4-9 27478 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
  CLARK-A1528-67  Hordeum leporinum Oscar F. Clarke, C. M. Flanagan 1973-3-13 OO 118 Riverside US 274 Comment
  CAS-BOT-BC285110  Hordeum marinum subsp. gussoneanum Philip A. Munz 1937-3-27 14936 Riverside Overflow from Lake Elsinore, Elsinore 304 Comment
  RSA121044  Hordeum murinum subsp. glaucum J. T. Howell 1956-3-19 31117 Riverside San Jacinto. Comment
  CAS-BOT-BC148571  Horkelia clevelandii Carl B. Wolf 1932-8-4 3927 Riverside Strawberry Valley, 1 1/2 mi. from Idyllwild on road to Binning - San Jacinto Mts. 1706 Comment
  POM20018  Horkelia clevelandii Mary F. Spencer 1923-6-20 2199 Riverside Idyllwld. 1646 Comment
  UC114268  Horkelia clevelandii T. S. Brandegee 1889-7-1 Riverside San Jacinto Mts. Comment
  RSA559338  Horkelia cuneata subsp. puberula Steve D. Boyd, Tim S. Ross 1992-5-15 7404 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
  HSC79039  Hornungia procumbens A. C. Sanders 1985-3-7 5403 Riverside San Jacinto Valley, salt scald in barley fields 0.25 mi. S of the intersection of Bridge St. and Gilman Springs Rd. 457 Comment
  SBBG72803  Horsfordia alata M. N. Ackley 1928-4-3 710 Riverside Devils Cyn, Coral Reef Ranch 91 Comment
  JEPS19516  Hulsea vestita subsp. callicarpha Peter H. Raven with R. Snow 1957-7-26 11098 Riverside 0.7 mi n Vista Grande Ranger Station (Banning--Idyllwild Road); San Jacinto Mountains Comment
  POM48376  Hulsea vestita subsp. callicarpha P. A. Munz, Johnston 1924-7-27 8774 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  UCR253359  Hulsea vestita subsp. callicarpha Ana Hernandez, John Dvorak 2011-8-4 028 Riverside San Jacinto Mountains, west of Forest Route 4S02.3 (Azalea Trail), 0.5 km south of Dark Canyon Campground 1746 Comment
  UCSB42190  Hulsea vestita subsp. callicarpha Roos, John 1965-6-13 Riverside West of Mountain Center, San Jacinto Mtns. 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
  SBBG119937  Hydrocotyle ranunculoides A. C. Sanders with O. F. Clarke 1991-6-10 11120 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  UCR17007  Hydrocotyle umbellata O. F. Clarke 1975-7-21 s.n. Riverside Riverside, UCR Botanical Garden beside a pond 400 Comment
  RSA126704  Hymenoclea salsola Peter H. Raven 1958-1-23 11414 Riverside 2.7 miles west of Whitewater Post Office. Comment
  UC64189  Hypericum formosum var. scouleri H. M. Hall 689 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1615 Comment
  JEPS63229  Hyptis emoryi Marjorie Clary 1934-3-3 Riverside w Indio Mtn. (18 mi w of Indio, Carrizo Canyon); w of Indio Mtn., Carrizo Canyon 304 Comment
  JOTR16727  Hyptis emoryi Walters, Jim 1967-4-30 s.n. Riverside Joshua Tree National Park. LOWER WILSON CANYON Comment
  POM118337  Hyptis emoryi Marcus E. Jones 1924-2-28 s.n. Riverside West of Blythe. Comment
  POM118341  Hyptis emoryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA795746  Hyptis emoryi Jim Andre 2012-3-19 21303 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  UC63795  Hyptis emoryi H. M. Hall May 17 1901-Jun 1 1901 1838 Riverside Palm Canyon 457 Comment
  UCLA61522  Hyptis emoryi S. Atsatt 1926-4-17 Riverside Palm Springs Comment
  UCSB12882  Hyptis emoryi Breedlove, Dennis 1962-3-11 Riverside Cat Creek, 3 miles southwest of Palm Desert 426 Comment
  CAS-BOT-BC274060  Imperata brevifolia Louis Wheeler 1933-12-2 2318 Riverside U. S. 99 2 mi. NW Whitewater Station 365 Comment
  SBBG62883  Isocoma acradenia M. N. Ackley 1928-4-2 Riverside Coral Reef Ranch, Coachella Valley -13 Comment
  RSA770888  Isocoma acradenia var. eremophila Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4591 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC55181  Isocoma menziesii var. vernonioides E. A. Zumbro 1902-10-1 257 Riverside Comment
  UCR115882  Isocoma menziesii var. vernonioides Mitch Provance 1999-5-6 1162 Riverside City of Riverside, Property adjacent to NW side of Hole Lake (nearly dry) and north of Parker Way. 226 Comment
  JOTR32332  Ivesia saxosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 2454 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  UCD51309  Jarava speciosa Peter H. Raven 1958-5-6 12927 Riverside along State Highway 74, 15.6 miles southwest of Palm Desert, San Jacinto Mountains. Comment
  SDSU13046  Jepsonia parryi James C. Dice, Tu Chung 1987-10-19 737 Riverside At head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita, ca/ 0.4 km ENE of Field Station site and just ENE of weather station. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 329 Comment
  UCR27000  Juglans californica E. W. Lathrop 1966-5-8 6419 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  SEINET3831732  Juglans hindsii R. E. Riefner Jr. 2011-1 11 -126 Riverside Santa Ana Canyon, end of Green River Rd. near entrance to Green River Golf Course. 125 Comment
  UCR59802  Juncus balticus Jeri Hirshberg 1989-7-14 s.n. Riverside Lake Perris, east end of lake 488 Comment
  RSA674610  Juncus bufonius Scott D. White 2000-8-5 8109 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  RSA788861  Juncus bufonius var. bufonius G. D. Wallace 2003-7-8 4029 Riverside Hidden Lake. Comment
  UCR127145  Juncus bufonius var. congestus A. C. Sanders, Guy Bruyea 2003-6-12 26887 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  UCR202607  Juncus effusus Scott D. White, Justin M. Wood 2008-7-9 12420 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA704866  Juncus effusus subsp. austrocalifornicus J. Russell Bruff 1934-6-19 555 Riverside Idyllwild Comment
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Jul 29 2010
  UCR193963  Juncus macrophyllus A. C. Sanders 2008-7-25 35885 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  JOTR35513  Juncus mexicanus La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3200 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  RSA750745  Juncus mexicanus Scott D. White, Justin M. Wood 2009-5-22 12885 Riverside Garner Valley, abandoned duck pond near Quinn Flat. 1357 Comment
  POM14977  Juncus oxymeris Mary F. Spencer 1922-6-17 1986 Riverside Idyllwild, San Jacinto Mountains. 1677 Comment
  SD71853  Juncus oxymeris Helen V. Witham 1969-7-2 249 Riverside In creek bed, DeLuz Creek, on road from DeLuz to Murietta, 7 miles south of Murietta. 299 Comment
  RSA0035955  Juncus phaeocephalus var. paniculatus Robert F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61169 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  SD185069  Juncus rugulosus Mitch Provance 2000-6-24 2071 Riverside Santa Ana River Wash, between the Market Street bridge and the 60 Freeway. 244 Comment
  SD86554  Juncus textilis Ken Hedges 1972-10-17 Riverside In marshy area, Cahuilla Valley, south of Anza. Comment
  RSA708218  Juncus xiphioides Scott D. White, Angelia Carey 2004-5-7 10330 Riverside Indian Creek and adjacent foothills. 549 Comment
  SD187311  Juncus xiphioides Scott D. White, Angelia Carey 2004-5-7 10330 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  RSA604385  Juniperus californica L. C. Wheeler 1960-1-2 7672 Riverside Alberhill. Open rocky flat. Comment
  UCSB213  Juniperus californica Philbrick, Ralph 1953-6-10 Riverside Joshua Tree National Monument Comment
  POM296051  Justicia californica L. S. Rose 1946-12-24 46304 Riverside Desert water-course, Tahquitz Canyon Wash. Palm Springs. 139 Comment
  RSA778143  Justicia californica Jim Andre 2011-2-2 16217 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  UC1329995  Justicia californica James E. Cole 1941-3-30 455 Riverside Cottonwood Spring Wash Joshua Tree Nat'l Monument, Cottonwood Spring Wash Comment
  UC303435  Justicia californica S. B. Parish 1919-3-27 19193 Riverside Palm Springs, West Canyon Colorado Desert, Palm Springs, West Canyon 167 Comment
  UC665866  Justicia californica Ira L. Wiggins 1941-3-27 9689 Riverside 9 mi. w. Desert Center Comment
  UCR4001  Justicia californica Val Chase 1965-2-22 10 b Riverside Western Colorado Desert, 1 mi. north of Palm Canyon on the road to downtown Palm Springs, 'el. 1000 ft. 183 Comment
  SBBG129034  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40416 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd, 0.35 mi W of I-10 jct 114 Comment
  UC2044616  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40416 Riverside Sonoran (Colorado) Desert Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction. (Hopkins Well 7.5' Q.) Comment
  UCR242295  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40414 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 2.9 km (1.8 mi.) west of I-10 junction 120 Comment
  UCR242298  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40424 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd., 0.1 mi. above I-10 junction, below Ironwood St. Prison 120 Comment
  RSA0009770  Kallstroemia californica Marcus E. Jones 1929-9-16 s.n. Riverside East of Desert Center. Comment
  RSA0093775  Kallstroemia parviflora Duncan S. Bell 2015-9-30 8679 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA525429  Keckiella antirrhinoides Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4538 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR154635  Keckiella antirrhinoides A. C. Sanders, Mike Misenhelter 2005-6-15 30988 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
  UCSB6147  Keckiella antirrhinoides Keator, Glenn 1959-5-16 Riverside 14 miles southwest of Banning in foothills; on highway to Idyllwild Comment
  SBBG87641  Keckiella antirrhinoides subsp. antirrhinoides A. C. Sanders, B. Pitzer 1986-4-30 6474 Riverside lower Bee Cyn, 0.2 mi above the mouth of cyn Comment
  SEINET10956018  Keckiella antirrhinoides var. antirrhinoides Greg Gust, Leith Nye 2005-3-11 Gust 544 Riverside Lake Elsinore City Limits. Hwy 74 ca. 2 mile W of Lake Elsinore on hill slope pullout. 691 Comment
  LA209268  Keckiella cordifolia W. E. Pequegnat; 1937-8-11 sn Riverside Santa Ana Mountains, 0.25 mi above Bear Springs 1402 Comment
  RSA500125  Keckiella cordifolia Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-6-10 3686 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  RSA764124  Keckiella cordifolia Linda M. Prince, Duncan S. Bell 2009-6-17 577 Riverside Cleveland National Forest Comment
  RSA89026  Keckiella cordifolia M. Dillon 1954-6-15 s.n. Riverside Canyon near Glen Ivy Hot Springs Comment
  SDSU14314  Keckiella cordifolia Joel Tracey 2002-4-20 6 Riverside Santa Margarita Ecological Reserve, Loop Trail 0.42 miles northeast of North Side Feild Station, 0.10 miles east-southeast of Tornado road, north side of trail. 341 Comment
  RSA681038  Kochia scoparia Scott D. White 2003-6-9 8602 Riverside Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 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
  RSA674939  Koeleria macrantha Scott D. White, Bill La Haye 2000-5-27 7948 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA740072  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-16 12135 Riverside Meadow at Quinn Flat. 1378 Comment
  UCSB16824  Krameria bicolor Field, L. 1963-5-5 Riverside 5.3 miles south Palm Desert on California Highway 74 Comment
  CAS-BOT-BC43709  Krameria erecta Edmund C. Jaeger 1921-11-10 s.n Riverside Little Palm Canon 304 Comment
  JEPS64845  Krameria erecta Marjorie Clary 1931-4-22 1 Riverside above Devils' Canyon; Coachella Valley, above Devils' Canyon Comment
  SBBG45351  Krameria erecta Leota Davidson 1966-4-5 227 Riverside hillside E of intersection, off Hwy 10 on Wyley Wells Rd, Chuckawalla Mtns Comment
  SEINET269272  Krameria grayi Bern Schwen 1994-5-18 Riverside Joshua Tree National Monument ; Eagle Mountains (west side) along road between Cottonwood Spring Campground and Conejo Well 1055 Comment
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Sep 7 2013
  RSA522307  Lactuca serriola Steve Boyd 1989-7-9 3777 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  UCR100631  Lamarckia aurea A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19893 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  UCR72383  Langloisia schottii Theo Glenn 1991-5-8 91- 82 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  UC1329881  Langloisia setosissima subsp. punctata James E. Cole 1941-4-13 588 Riverside 1/4 mi. s. of summit Pinto Pass; Joshua Tree Nat'l Monument Comment
  RSA77075  Langloisia setosissima subsp. setosissima F. W. Peirson 1927-4-12 7177 Riverside Painted Canyon, near Mecca. Central part of Painted Canyon Comment
  UC700954  Langloisia setosissima subsp. setosissima Aven and Ruth Nelson 1939-3-29 3323 Riverside ner the Palm grove Hidden Springs Comment
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Apr 17 2011
  RSA0084168  Langloisia setosissima subsp. setosissima Steve Boyd, Orlando Mistretta 1986-3-13 1415 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA0077529  Larrea divaricata G. Wallace 1964-5-23 s.n. Riverside Anza-Borrego Desert. Comment
  LA209861  Larrea tridentata Harlan Lewis; 1935-4-7 sn Riverside Palm Springs 138 Comment
  RSA0118589  Larrea tridentata Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7654 Riverside Mecca Hills: mouth of Painted Canyon, southwest side of Mecca Hills, northeast of Mecca, west of Box Canyon, northeast of Coachella Canal, northeast of powerline, near mouth of Skeleton Canyon. 52 Comment
  RSA681035  Larrea tridentata Scott D. White, Michael Honer 2003-5-14 9269 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA796459  Larrea tridentata Duncan S. Bell 2009-4-18 217 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UCR228402  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-3-30 105 Riverside Northwestern Colorado (Sonoran) Desert, Coachella Valley Preserve, junction of Ramon Road and Thousand Palms Canyon Road, west of Thousand Palms north of powerline in Preserve 198 Comment
  UCSB8695  Larrea tridentata Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  CAS-BOT-BC338927  Lasthenia californica L. R. Abrams 1926-3-25 11047 Riverside Between Banning and Cabazon Comment
  SEINET7073456  Lasthenia californica A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  CAS-BOT-BC354214  Lasthenia coronaria A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37811 Riverside Peninsular Range: southeastern Gavilan Hills N of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCD133647  Lasthenia coronaria Geoffrey Levin 1975-4-26 477 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. 335 Comment
  UCR152634  Lasthenia coronaria A. C. Sanders 2005-4-22 29588 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  RSA666587  Lasthenia glabrata subsp. coulteri A. C. Sanders, Sue Nash, Tom Paulek, et al. 2002-4-7 24903 Riverside San Jacinto Wildlife Area, west side of Davis Rd., just north of the old San Jacinto River channel (levee), 2.25mi. N of Lakeview. 434 Comment
  UCR90764  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1994-4-29 2373 Riverside 6.5 km west of Hemet, 915 m south of Florida Ave and 945 m west of Warren Road, Alongside the MWD canal Right-of-Way on the W side of the canal 457 Comment
  RSA556480  Lasthenia gracilis Julie Greene 1993-3-13 1009 Riverside On the berm between the western ponds 440 Comment
  RSA586035  Lasthenia gracilis D. L. Banks, S. D. Boyd 1995-3-16 0087 Riverside Cleveland National Forest; Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 506 Comment
  RSA617151  Lasthenia gracilis A. C. Sanders, C. L. Sanders, E. J. Lawlor 1996-4-21 18070 Riverside Morongo Indian Reservation, grounds of Malki Meseum, NE of Banning. 732 Comment
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Sep 10 2011
  UCR103175  Lasthenia gracilis Scott D. White, J. Greene 1997-3-12 4774 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR20786  Lasthenia gracilis A. C. Sanders, Steve Boyd 1980-5-2 1402 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR91353  Lasthenia gracilis Scott D. White, M. Jacobsmeyer 1996-4-20 3980 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  RSA802254  Lathyrus vestitus Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5000 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  JEPS55283  Lathyrus vestitus var. alefeldii W. L. Jepson 1901-5-19 1279 Riverside Strawberry Valley, Mt. San Jacinto 1676 Comment
  UC15386  Lathyrus vestitus var. alefeldii H. M. Hall 1901-6-1 2153 Riverside e base San Jacinto Mountains (along the borders of the Colorado Desert); , Colorado Desert 1371 Comment
  CLARK-A1528-4855  Layia glandulosa John C. Roos 1937-4-18 1374 Riverside Cabazon Comment
  POM361633  Layia glandulosa Christopher Davidson 1973-4-19 1990 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  RSA741421  Layia platyglossa Justin M. Wood 2008-12-2 258 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UC62906  Layia platyglossa H. M. Hall 1902-4-7 2758 Riverside vicinity Winchester 426 Comment
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Mar 20 2011
  RSA0057841  Layia platyglossa subsp. campestris Paul McLaughlin 1976-4-9 0409762 Riverside Box Springs Mountains. One mile west of Box Springs Mtn. Road along a County Park trail. 822 Comment
  POM12985  Layia platyglossa subsp. platyglossa P. A. Munz, I. M. Johnston 1922-5-19 5419 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  CAS-BOT-BC274339  Leersia oryzoides A. C. Sanders; O. F. Clarke; C. N. P. S. field trip 1991-10-5 11740 Riverside Riverside, Fairmont Park. Along Spring Brook between Lake Evans and the Santa Ana River, ca. 50-100 m below the lake Comment
  RSA633881  Lemna gibba Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38150 Riverside San Jacinto Mountains: San Bernardino National Forest. Lake Fulmor. 1615 Comment
  CAS-BOT-BC88947  Lepidium dictyotum Steve Boyd 1986-4-2 1623 Riverside Gavilan Plateau, Gavilan Hills. Harford Springs County Park. In southeast corner of park. 640 Comment
  UCR19094  Lepidium dictyotum var. acutidens John C. Roos 1950-3-18 4712 Riverside Perris-Aguanga Basin region, 1 mi SE of Perris 457 Comment
  LA204439  Lepidium fremontii Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  JOTR35354  Lepidium fremontii var. fremontii Andre, Jim 2012-4-11 20682 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  UCR200259  Lepidium fremontii var. fremontii J. M. Porter, Orlando Mistretta 2003-6-5 13608 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Chocolate Mountains. Chocolate Mountains Bombing and Gunnery Range. Unnamed canyon, south of Salt Creek, accessed via Siphon 21 of the Coachella Canal, fork running east, above the pour-off 439 Comment
  RSA692207  Lepidium lasiocarpum Scott D. White, Michael Honer 2003-5-14 9282 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (= Superior ) Gypsum Mine. 76 Comment
  UCR233160A  Lepidium lasiocarpum var. lasiocarpum Jim Andre, Glenn L. Clifton 2011-2-22 17451 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR232033  Lepidium nitidum John F. Green 2008-4-15 0408- 19 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
  SBBG25548  Lepidium pinnatifidum O. F. Clarke 1985-5-13 Riverside San Jacinto River Valley, gun club ponds E of Davis Rd, a short distance N of Lakeview, E of the Bernasconi Hills 426 Comment
  UCR38081  Lepidium pinnatifidum 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
  UCR274017  Lepidium strictum Mitch Provance 2012-4-23 412- 30 Riverside San Gorgonio Pass, south of Banning, between the east end of Bobcat Rd. and the KOA campground on San Gorgonio Ave., in Montgomery Creek near its confluence with Smith Creek 681 Comment
  SBBG101691  Lepidium virginicum S. Boyd with T. Ross 1991-6-14 6361 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  CAS-BOT-BC60106  Lepidium virginicum var. menziesii Frank W. Peirson 1922-5-21 3031 Riverside San Jacinto Mountains. Hemet Valley. 1356 Comment
  UC1536949  Lepidium virginicum var. robinsonii Gordon H. True Jr. 1935-3-11 66 Riverside Box Springs Sycamore Canyon 426 Comment
  UCR174372  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32656 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR225214  Lepidium virginicum var. robinsonii T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5163 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  UC1303164  Lepidospartum squamatum C. B. Wolf 1932-10-11 4269 Riverside mouth of Whitewater Wash 304 Comment
  RSA0038328  Leptochloa uninervia J. C. Roos 1965-9-5 s.n. Riverside Blythe. Comment
  SDSU3131  Leptodactylon californicum Stan Mather 1938-5-13 Riverside Lake Elsinore. Comment
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Jul 8 2009
  UC1719502  Leptodactylon californicum D. Atwood 1993-3-26 17655 Riverside Summit of Santa Ana Mountains, 4.8 mi S of Lake Elsinore, along Hwy 74 812 Comment
  RSA519231  Leptosiphon floribundus Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  POM3569  Leptosiphon floribundus subsp. glaber Robinson, Crocker 1916-3-28 s.n. Riverside Santa Ana Mountains. Comment
  SD126211  Leptosiphon floribundus subsp. hallii A. C. Sanders, E. J. Lawlor 1988-10-22 8722 Riverside Pinyon Flats area, Santa Rosa Mountains along Horsethief Creek where the trail from the Dolomite Mine crosses, upper margin of the wash (mak 10/07) 1100 Comment
  RSA262081  Leptosiphon liniflorus E. W. Lathrop 1968-5-22 6945 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA92574  Leptosiphon pygmaeus subsp. pygmaeus J. C. Roos 1952-5-7 5619 Riverside Box Springs Mountains, north of Canyon Crest Heights 488 Comment
  UCR34883  Lessingia filaginifolia L. B. Ziegler 1971-9-9 427 Riverside San Jacinto Mtns, Hemet (Garner) Valley. 1372 Comment
  UCR143313  Lessingia filaginifolia var. filaginifolia I. W. Clokey, E. G. Anderson 1935-8-21 6962 Riverside Peninsular Ranges; San Jacinto Mountains, North fork, San Jacinto River 1500 Comment
  UCR222297  Lilaea scilloides R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55205 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
  CHSC26247  Lilium parryi Dieter H. Wilken; Gary D. Wallace 1966-7-3 1052 Riverside Fuller Mill Creek, San Jacinto Mtns. 1524 Comment
  UC1035029  Lilium parryi Albert M. Vollmer Jul 1 1950-Jul 7 1950 Riverside Stony Creek; San Jacinto Mountains Comment
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Mar 10 2013
  UC454443  Lilium parryi I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  CAS-BOT-BC45841  Limnanthes gracilis var. parishii A. C. Sanders; Tim Thomas 2008-6-20 35537 Riverside Peninsular Range; San Jacinto Mtns.: May Valley near Fleming Ranch, north of Bonita Vista R. and east of Herkey Creek 1550 Comment
  UCR224046  Limonium duriusculum Justin M. Wood 2009-11-30 1386 Riverside Southwest Perris Basin, Temecula, Murrieta Creek, downstream of 1st Street Bridge 305 Comment
  RSA543173  Linanthus bigelovii Steve Boyd, Mike Hammitt 1991-5-2 6083 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  CAS-BOT-BC225694  Linanthus californicus A. M. White 1974-6-5 1370 Riverside Indian Road ca 15 mi. W. Sun City 1219 Comment
  UCR120893  Linanthus dianthiflorus Steve Boyd 1986-4-22 1779 Riverside Gavilan Hills, Plateau remnant of ridge east of Estelle Mountain, south of Dawson Canyon. 671 Comment
  POM364589  Linanthus dianthiflorus subsp. dianthiflorus Ora M. Clark 1929-4-7 2039 Riverside S. Hemet. Comment
  RSA73087  Linanthus dianthiflorus subsp. dianthiflorus F. W. Peirson 1922-5-20 4471 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  UC133795  Linanthus lemmonii T. S. Brandegee 1902-5-19 Riverside Banning Comment
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Mar 13 2011
  UCR23129  Linanthus lemmonii J. C. Lyman 1981-5-16 s.n. Riverside Peninsular Ranges/San Jacinto Mountains, May Valley Rd, Idyllwild 1768 Comment
  UCR177320  Linanthus liniflorus Scott D. White, Michael Honer 2003-5-27 9406 Riverside Gavilan Hills / Temescal Canyon, hills and canyons c. 1 mile north of the I-15 Fwy and 1 mi east of Lake Street exit, south and/or west of unnamed peak '2349 549 Comment
  GMDRC2692  Linanthus maculatus T. La Doux 2003-4-12 158 Riverside San Bernardino Mountains: San Bernardino Mountains: along banks of Whitewater Wash, approx 1 mi. N. of I-10 33 deg. 56' 28'' N 116 deg. 38' 25'' W. Elev. 1522 ft. 464 Comment
  UCR133428  Linanthus parviflorus Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 459 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR241159  Linanthus pygmaeus A. C. Sanders, Timothy W. Chumley 2013-4-2 40748 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCR52560  Lithophragma parviflorum David Charlton 1988-5-21 1963 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  SDSU13474  Lobularia maritima James C. Dice, Virginia Moran 1987-11-28 759 Riverside Santa Margarita Ecological Reserve: 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
  JOTR29601  Loeseliastrum matthewsii Andre, Jim 2006-4-26 6758 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  UCR103306  Loeseliastrum matthewsii George K. Helmkamp 1998-4-4 3151 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCSB18438  Loeseliastrum schottii Winn, Will 1963-4-8 Riverside U.S. Highway 60-70; 29.6 miles east of Desert Center 243 Comment
  UCR281496  Logfia arizonica Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-4-5 417- 93 Riverside Temescal Valley, S side of De Palma Rd, about 0.5 mile WNW of Horsethief Canyon Rd. 400 Comment
  RSA757741  Logfia depressa LeRoy Gross, Jacqueline McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 s.n. 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
  CAS-BOT-BC342258  Logfia filaginoides L. R. Abrams 1926-3-26 11030 Riverside Palm Springs Comment
  CAS-BOT-BC342260  Logfia filaginoides H. M. Hall 1903-4-1 3786 Riverside Vicinity of Riverside 365 Comment
  SEINET266965 Image available Lolium perenne D. Atwood 1993-3-29 17735 Riverside Huntington Beach along Beach Blvd. ca. 1/2 mi N of beach Comment
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Aug 6 2013
  UC1784026  Lolium perenne John R. Reeder and Charlotte G. Reeder 1988-3-9 8249 Riverside Indio, near Motel 6 6 Comment
  UCR154545  Lolium perenne Jason L. Hlebakos 2005-5-13 674 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, large vernal pool on Mesa de Colorado, c. 4 mi SE of Squaw Mtn 634 Comment
  UCR232030  Lolium perenne subsp. multiflorum John F. Green 2008-4-22 06- 08 Riverside Peninsular Range, hills south of Perris, powerline route just above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 442 Comment
  RSA0085060  Lolium perenne subsp. multiflorum Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 20 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  RSA192222  Lolium perenne subsp. multiflorum E. W. Lathrop 1960-5-6 4792 Riverside 10 miles west of Murrieta. Comment
  RSA651782  Lolium perenne subsp. multiflorum Karen Cook 1966-5-19 s.n. Riverside UCR campus; east entrance to Life Sci. Bldg. and 30 yds N. of it. 304 Comment
  POM256721  Lomatium dasycarpum subsp. dasycarpum W. Pequegnat 1940-4-28 s.n. Riverside Ridge between Bedford & Brown Canyons. 762 Comment
  RSA769647  Lomatium mohavense subsp. longilobum Duncan S. Bell, Valentin Arvizu 2010-5-10 981 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. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1349 Comment
  UCR118743  Lomatium utriculatum Michael A. Patten 1993-3-20 s.n. Riverside Perris-Aguanga basin region, northeast of Lake Skinner, corner of De Portola Rd. and Barranca Rd., near Black Mountain 640 Comment
  RSA524591  Lomatium vaginatum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3905 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  RSA85578  Lomatium vaginatum J. C. Roos 1952-4-2 5455 Riverside At Edgemont near Box Springs. 488 Comment
  UCR133433  Lonicera interrupta Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 448 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA605678  Lotus R. S. Woglum 1939-4-11 2219 A Riverside Sonoran Desert: Near Rice, Coxcomb Tunnel. Comment
  SEINET10931686  Lotus David B. Dunn 1946-8-18 Dunn 2734 Riverside Found in san jacinto mts app 500' from peak. Comment
  POM304887  Lotus argophyllus var. argophyllus Henry J. Ramsey, Henry J. Ramsey 1938-4-22 248 Riverside Santa Rosa Mountains. 1220 Comment
  RSA772415  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4850 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
  RSA406102  Lotus crassifolius B. C. Templeton 1953-7-26 s.n. Riverside Near Idyllwild Comment
  RSA761276  Lotus crassifolius Shawn Krosnick, Lucinda A. McDade, Naomi Fraga 2010-8-14 676 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  JEPS55435  Lotus grandiflorus W. L. Jepson 1901-5-19 1286 Riverside Strawberry Valley Mt. San Jacinto Comment
  UCR178018  Lotus grandiflorus Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 526 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA395905  Lotus hamatus Steve Boyd 1986-4-22 1777 Riverside Gavilan Hills: Plateau remnant on ridge E of Estelle Mtn., S of Dawson Canyon. Comment
  UCR143489  Lotus haydonii B. C. Templeton, I. W. Clokey 1930-4-9 1011 Riverside Sonoran (Colorado) Desert, N of Palm Springs 400 Comment
  CSUSB1265  Lotus heermannii Steve Stadler 1966-3-8 030866 72 Riverside Box Springs Mountains. 10 yards off Pigeon Pass Road. 4.2 miles north of Riverside-Beaumont Highway. 457 Comment
  RSA32421  Lotus heermannii N. C. Cooper 1944-5-6 1167 Riverside Whitewater Canyon. 457 Comment
  UCR194825  Lotus heermannii Scott D. White 2006-4-27 11284 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  RSA406730  Lotus heermannii var. heermannii N. C. Cooper 1949-6-29 4335 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  UCR96251  Lotus nevadensis var. nevadensis Scott D. White 1996-8-1 4418 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR202591  Lotus oblongifolius Scott D. White, Justin M. Wood 2008-7-8 12371 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  UCR174084  Lotus purshianus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32546 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
  UCR187285  Lotus purshianus Diane Menuz, Theresa Johnson 2006-8-2 197 Riverside Peninsular Range; Santa Ana Mtns, Santa Margarita Ecological Reserve, along Santa Margarita River in Temecula Canyon, c. 100 m upstream from road crossing of river 274 Comment
  RSA727600  Lotus salsuginosus Naomi Fraga, Lisa Rojas 2005-2-10 1389 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UCR108999  Lotus salsuginosus D. L. Banks, V. W. Steinmann 1997-3-13 1480 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  CSUSB1268  Lotus scoparius Robert A. Hawthorne 1957-5-2 Riverside Reche Canyon 518 Comment
  UCR22692  Lotus scoparius subsp. brevialatus N. R. Zabriskie, W. W. Zabriskie 1973-4-6 635 Riverside Peninsular Range, San Jacinto Mountains; Sonoran (Colorado) Desert, Mesa SE of Andreas stream in the 1st 0.25-mile opposite and south of junction with 'Norh Canyon', Andreas Canyon; E slope of mountains (Site A-9) 366 Comment
  UC1929589  Lotus scoparius var. brevialatus Steve Boyd 2007-4-20 11725 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh Canyon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading t 549 Comment
  UC729657  Lotus scoparius var. brevialatus Carl B. Wolf 1932-5-25 Riverside just above Fish Hatchery (n base of San Jacinto Mts.); San Jacinto Mts., Snow Creek Canyon 670 Comment
  UCR243167  Lotus scoparius var. brevialatus LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4330 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  RSA314679  Lotus strigosus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55443 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  SEINET7073384  Lotus strigosus A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR103991  Lotus strigosus George K. Helmkamp 1998-4-3 3086 Riverside Sonoran (Colorado) Desert, West Palm Springs Village area, vic. of Hwy I-10 & Verbenia Ave.; 4 mi. north of Tamarack Rd on Cottonwood Rd. 1280 Comment
  UCR158505  Lotus strigosus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30038 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  SEINET7042771  Lotus strigosus W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  RSA779021  Lotus strigosus var. strigosus Duncan S. Bell 2010-4-1 653 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  RSA145915  Lotus strigosus var. tomentellus William M. Klein 1958-2-11 31 Riverside 2.6 mi. east of Cabazon on hwy. 70-99 545 Comment
  RSA679815  Lotus strigosus var. tomentellus LeRoy Gross, Valerie Soza 2003-5-8 836 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 762 Comment
  UCR166547  Lotus strigosus var. tomentellus Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10888 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  RSA480075  Lotus tomentellus Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2166 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA703479  Lotus tomentellus LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1423 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR47240  Lotus tomentellus B. G. Pitzer, L. F. LaPre 1987-3-2 0437 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
  RSA496358  Lupinus agardhianus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3032 Riverside Vail Lake area, 0.5 mi WNW of dam, clay soil deposits on dissected bench, S flank Oak Mountain. 488 Comment
  POM349938  Lupinus arizonicus Howard Mullins 1931-4-26 s.n. Riverside Mecca Comment
  POM46801  Lupinus arizonicus Mary F. Spencer 1920-4-6 1467 Riverside Palm Springs. 122 Comment
  RSA550280  Lupinus arizonicus Walter Wisura, John Dolan, Michael Wall 1992-3-24 4616 Riverside Lowdesert: 4.7 mi NE of Mecca on Box Canyon Rd. Comment
  UCR89561  Lupinus arizonicus George K. Helmkamp 1994-3-10 42- 08 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  RSA781184  Lupinus arizonicus D. Silverman, Mark Bibbo 2010-3-31 7887 Riverside East flank bajada of the McCoy Mountains, one mile W of Black Creek Road, 5.3 km N of I-10 and 6.5 km ENE of McCoy Peak 175 Comment
  RSA644152  Lupinus bicolor Scott D. White, Mike Wilcox 1995-7-13 3474 Riverside NE Santa Ana Mtn foothills. Alluvial fan below [unnamed] canyon. +/- 1/4 mi SW of Grand Ave. (City of Lake Elsinore), directly downslope from hairpin turn on SH 74. 488 Comment
  UC1212156  Lupinus bicolor David Dunn 1941-3-29 932 Riverside two mi w Corona; w of Corona Comment
  UCR4176  Lupinus bicolor R. H. Sauer 1965-4-3 s.n. Riverside Peninsular Range, Riverside, south side of Big Springs Road, c. 500 feet from the east end of the street; west foot of Box Springs Mtns. 396 Comment
  UCR108398  Lupinus bicolor subsp. marginatus D. L. Banks, V. W. Steinmann 1997-3-13 1460 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  RSA613464  Lupinus bicolor subsp. microphyllus D. L. Banks, Victor W. Steinmann 1997-3-13 1457 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
  RSA619550  Lupinus bicolor subsp. microphyllus D. L. Banks 1997-5-5 1998 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  JOTR33953  Lupinus concinnus La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2839 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  RSA0119898  Lupinus concinnus Duncan S. Bell, Thomas Stoughton 2016-4-12 9228 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  UCR16230  Lupinus concinnus A. C. Sanders 1973-4-28 00347 Riverside Peninsular Range; San Jacinto Mtns., east of Garner Valley, along switchbacks in trail from Morris Ranch Road to Cedar Springs 2012 Comment
  RSA559939  Lupinus concinnus subsp. concinnus Steve D. Boyd 1992-4-18 6890 Riverside Buck Mesa, S of Lake Skinner, 1.8 mi E of main entrance rd to lake along Borell Rd. Comment
  RSA49180  Lupinus concinnus subsp. orcuttii Philip A. Munz 1949-4-13 13054 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  OBI30747  Lupinus excubitus Rhonda Riggins 1982-4-15 1342 Riverside Roadside CA 371 in Anza Valley, 7.5 mi N jctn CA 79 in Aguanga Comment
  POM11286  Lupinus excubitus var. austromontanus Philip A. Munz 1922-7-6 6025 Riverside Zigzag on trail below Hidden Lake. 2348 Comment
  JOTR33775  Lupinus excubitus var. excubitus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2927 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (stop 2) Comment
  UC1542843  Lupinus formosus D. B. Dunn, Conrad and Kenney 1973-6-15 20769 Riverside gas station on the sw corner at the Jct of Hwy 74 and 71 1432 Comment
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May 24 2012
  POM26888  Lupinus formosus var. formosus Marcus E. Jones 1903-5-11 11610 Riverside Banning. 701 Comment
  RSA413699  Lupinus hirsutissimus Ora M. Clark 1929-3-16 1685 Riverside South of Cabazon, Colorado Desert. Comment
  RSA413757  Lupinus longifolius M. V. Hood 1945-3-25 s.n. Riverside Aguanga. 610 Comment
  SD152848  Lupinus longifolius Steve Boyd 1992-4-15 6881 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Bluewater Canyon along Bluewater Trail downstream to the confluence with San Mateo Creek. 334 Comment
  UCR6032  Lupinus longifolius Sally Crum 1966-3-20 s.n. Riverside Santa Ana Mtns, 1 mi [west] of Murrieta, on grassy slope of a small cultivated hill by side of Tenaja Rd 1067 Comment
  JEPS65100  Lupinus microcarpus var. densiflorus W. L. Jepson 1901-5-17 1248 Riverside San Jacinto Valley lands at Florida; San Jacinto Valley, Valley Lands at Florida Comment
  UCR16239  Lupinus microcarpus var. densiflorus Margaret-Lee Dean 1965-3-25 s.n. Riverside 0.25 mi. west of Redlands Boulevard on Hwy 60 488 Comment
  UC16021  Lupinus sparsiflorus H. M. Hall Apr. 1897 Riverside Winchester Comment
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Mar 20 2011
  UC1929821  Lupinus sparsiflorus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10469 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
  UC668375  Lupinus sparsiflorus Annie M. Alexander and Louise Kellogg 1941-4-22 2064 Riverside Morongo Valley Gorge 701 Comment
  UCR172260  Lupinus succulentus 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
  UCR175075  Lupinus succulentus Teresa Nieto 2005-4-24 17 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  POM9291  Lupinus succulentus Philip A. Munz, R. D. Harwood 1920-3-20 3371 Riverside 5 miles S of Corona 305 Comment
  RSA450316  Lupinus truncatus J. C. Roos 1948-4-24 3788 Riverside Cabazon. Comment
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Apr 3 2011
  UCR17753  Lupinus truncatus 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
  UCR91643  Lupinus truncatus Steve Boyd, D. L. Banks 1995-4-5 8427 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  VVC231  Lupinus truncatus F. Ambrey 1959-4-29 s.n. Riverside On Pala Rd, 2.4 mi South of jct w St Hwy 71 on north side of rd. 323 Comment
  POM4209  Lycium andersonii I. M. Johnston 1918-5-30 2025 Riverside Lake Elsinore. 366 Comment
  UC494399  Lycium andersonii C. L. Hitchcock 1932-4-7 12206 Riverside Corn Springs, e Riverside County Corn Springs Comment
  UCD126594  Lycium andersonii Geoffrey Levin 1976-3-27 699 Riverside South side of Chino Canyon, West of Palm Springs. San Jacinto Mountains. 457 Comment
  POM80076  Lycium brevipes var. hassei Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA428846  Lycium cooperi Christopher Davidson 1973-4-19 1985 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  CAS-BOT-BC231646  Lycium fremontii John Thomas Howell 1928-3-24 3530 Riverside Painted Canon [Canyon], Colorado Desert Comment
  RSA370865  Lythrum californicum Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61277 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  UCR194217  Lythrum californicum Scott D. White, Angelia Carey 2004-6-4 10459 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR159201  Lythrum hyssopifolia A. C. Sanders, Kelly Volansky 2005-8-31 31567 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR111531  Machaeranthera canescens subsp. canescens A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22282 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  SBBG61012  Madia elegans R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 1828 Comment
  SDSU7510  Malacothamnus fasciculatus Thomas A. Zink 1971-7-1 Riverside Near Redlands Blvd. about 1 mile south of San Timeteo cyn. Rd. 518 Comment
  RSA507966  Malacothrix clevelandii Steve Boyd, Carol Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2284 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA747962  Malacothrix clevelandii Justin M. Wood 2009-5-11 706 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UC218090  Malacothrix coulteri P. A. Munz, D. Keck 1922-4-9 4813 Riverside Chuckwalla Valley, Hayfields Colorado Desert, Chuckwalla Valley, Hayfields 152 Comment
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May 1 2006
  OBI8208  Malacothrix glabrata David J. Keil, Malcolm McLeod 1977-3-26 12009 Riverside 8 mi NW of Lake Elsinore State Recreation area along CA 71 366 Comment
  RSA688910  Malacothrix glabrata Scott D. White 2001-4-18 8353 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  UC63260  Malacothrix glabrata H. M. Hall 1904-5-26 4968 Riverside vicinity Riverside; Jurupa Hills 304 Comment
  UCR157949  Malacothrix glabrata T. B. Salvato, A. C. Sanders 2005-5-17 924 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR214702  Malacothrix glabrata A. C. Sanders 2010-3-23 37538 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR249657  Malacothrix glabrata T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7309 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
  UCR37450  Malacothrix saxatilis Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills, Arroyo del Toro [Bull Canyon] Comment
  UCR16896  Malacothrix saxatilis var. tenuifolia B. Freeman 1968-5-4 680504- 01 Riverside c. 5 mi west of Beaumont along Calif. Route 60 793 Comment
  CAS-BOT-BC348023  Malacothrix stebbinsii Annie M. Alexander; Louise Kellogg 1941-5-7 2129 Riverside 12 miles southwest of 29 Palms, Joshua Tree National Monument 1310 Comment
  JOTR33747  Malacothrix stebbinsii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2745 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  CLARK-A1045-347  Marah macrocarpa George K. Helmkamp 1977-3-5 Riverside Santa Ana Mountains along highway north of Rainbow, at Riverside County Line; chaparral; Temecula 7.5'Q Comment
  RSA498352  Marina parryi Robert M. Perkins, H. de Forest 1937-3-15 378 Riverside Rice to Desert Center. 122 Comment
  RSA518038  Marina parryi Steve D. Boyd, Orlando Mistretta 1986-3-13 1425 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  UC159107  Marina parryi E. E. Schellenger 1911-2-21 Riverside Palen Mts. Colorado Desert Comment
  UCR41602  Marina parryi A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6024 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  CAS-BOT-BC71094  Marsilea vestita P. A. Munz; I. M. Johnston 1922-5-5 5154 Riverside Mystic Lake, near Moreno 426 Comment
  RSA199003  Marsilea vestita R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37424 Riverside Santa Rosa Plateau: small stream near roadside, Rancho California 609 Comment
  UCR266328  Marsilea vestita D. E. Bramlet 1991-6-15 2192 Riverside Perris-Aguanga Basin Region, bed of San Jacinto River at MWD maintenance road crossing, 3865 ft. south of Ramona Expressway, 4055 ft. east of Pozos Ave., & 1977 ft. SE of Lakeview Hot Springs 433 Comment
  UCR112800  Melia azedarach A. C. Sanders 1997-5-1 20616 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  UCR139118  Melica frutescens D. L. Banks 1997-4-5 1675 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  UCR19350  Melica frutescens John C. Roos 1965-6-13 s.n. Riverside San Jacinto Mtns, W base of the mountains, east of Hemet Comment
  POM431212  Melica imperfecta J. C. Roos 1950-4-22 4754 Riverside Summit of Reche Canyon, 0.5 mile NE of summit Comment
  SBBG67127  Melilotus indicus M. N. Ackley 1928-3-10 579 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  SD126627  Melilotus indicus Ed LaRue 1989-4-21 129 Riverside Moreno Valley, University of California agricultural experimental farms, 0.5 mile south of Alessandro Blvd at northeast corner of Cactus Avenue and Nason Street. Comment
  UC1329998  Menodora scabra var. glabrescens James E. Cole 1941-5-30 839 Riverside Lost Horse Mine Road Joshua Tree National Monument 1432 Comment
  JOTR31141  Menodora scoparia La Doux, Tasha 2009-6-3 1852 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  UCR150651  Menodora scoparia Bern Schwenn 1994-9-18 s.n. Riverside Joshua Tree National Monument, Little San Bernardino Mtns, ridge to Bernard Peak 1555 Comment
  RSA627519  Mentha Scott D. White 1998-7-31 6935 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  RSA575934  Mentha spicata Steve Boyd 1994-10-14 8395 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, steep rocky slope and bedrock pools in canyon bottom upstream from the confluence with Bluewater Canyon. 317 Comment
  UCR265600  Mentzelia Jordan Zylstra 2014-3-18 14002 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  RSA523549  Mentzelia affinis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4009 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  LA28887  Mentzelia affinis P. J. Remple; 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  RSA796023  Mentzelia albicaulis Duncan S. Bell 2009-4-18 240 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  UC1329908  Mentzelia albicaulis James E. Cole 1941-4-15 600 Riverside Joshua Tree National Monument, Pleasant Valley Comment
  UCR8577  Mentzelia dispersa Heidi A. Haid 1969-5-14 s.n. Riverside San Jacinto Mtns., 7 miles up Bautista Canyon from Fairview Avenue, Valle Vista 915 Comment
  SBBG4862  Mentzelia involucrata H. and M. Dearing 1937-4-10 1099 Riverside NE of Indio Comment
  UC192390  Mentzelia involucrata J. G. Lemmon April 1876 10 Riverside Colorado Desert, Whitewater River Comment
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Jan 15 2010
  UCD84490  Mentzelia longiloba Chuck Hughes 2010-6-13 148 Riverside Edge of Rice-Midland Road, about 2.5 miles southwest of Highway 62. 230 Comment
  SD181456  Mentzelia montana Scott D. White, Bill LaHaye 2000-5-27 7962 Riverside San Jacinto Mountains, Baldy Mountain area; Idyllwild [quad]. 1616 Comment
  UCR193409  Mentzelia montana A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35578 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1570 Comment
  POM14286  Mentzelia veatchiana P. A. Munz 1922-4-29 5113 Riverside Aguanga Comment
  UCR112009B  Microseris douglasii subsp. douglasii A. C. Sanders, T. B. Salvato 2000-5-25 23410 B Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR91478  Microseris douglasii subsp. platycarpha Scott D. White, M. Jacobsmeyer 1996-4-20 3945 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  UCR91288  Microseris heterocarpa Scott D. White, M. Jacobsmeyer 1996-4-20 3975 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  RSA0018782  Mimetanthe pilosa N. C. Cooper 1949-6-29 4333 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  SD186342  Mimetanthe pilosa T. B. Salvato 2005-6-23 1324 Riverside Temescal Valley: edge of a ditch in wet soil, 3 miles NW of Alberhill, Temescal Canyon Road at Corona (Lee) Lake 353 Comment
  JEPS87307  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-18 1069 Riverside 3.3 mi n Lakeview (at Ramona Expressway) (along Davis Road, 3.8 rd mi s of Hwy 60) 485 Comment
  HSC35462  Mimulus aurantiacus var. puniceus J. D. Ackerman, A. M. Montalvo 1975-6-26 524 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, above SanJuan Campground, Cleveland National Forest 610 Comment
  RSA60830  Mimulus aurantiacus var. puniceus Frank W. Gould 1944-4-5 2226 Riverside 17 mi. east of Temecula. Comment
  UC64228  Mimulus aurantiacus var. puniceus H. M. Hall 1897-2-27 369 Riverside Winchester Comment
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Mar 20 2011
  RSA92725  Mimulus aurantiacus var. puniceus J. C. Roos 1952-5-14 5665 Riverside 2 mi. northwest of Perris. 503 Comment
  CLARK-A1528-4236  Mimulus brevipes Carol Ann Simon 1969-5-20 45 Riverside Riverside 274 Comment
  UCR217568  Mimulus diffusus Jeff B. Galvin 2009-4-21 87 Riverside Peninsular Ranges, Lake Skinner Multi-Species Reserve, South of Tucalota Creek, just east of the equestrian trail 471 Comment
  UCR84609  Mimulus floribundus Scott D. White, S. Ogg 1994-4-21 2003 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA496468  Mimulus fremontii var. fremontii Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-31 3084 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. Comment
  UCR41315  Mimulus guttatus N. M. Fellows, A. C. Sanders 1985-5-7 181 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
  UCR232779  Mimulus moschatus William Schlegel, Andrew Troutte 2008-8-8 008 Riverside Peninsular Range; San Jacinto Mtns., c. 2 km NE of Black Mountain summit 2267 Comment
  UCR77578  Mimulus parishii Steve Boyd, T. S. Ross 1991-6-8 6327 Riverside San Jacinto Mtns., Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill north of Hwy 74 Comment
  JOTR33123  Mimulus pilosus La Doux, Tasha, Mike Bell 2003-10-17 1604 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  UC1374895  Mimulus pilosus Noel H. Holmgren and Liew Fah Seong 1969-6-17 3584 Riverside County road R1 at Black Mountain Turnoff (8.5 mi n of Idyllwild); San Jacinto Mountains Comment
  UCR72435  Mimulus pilosus Steve Morgan, H. M. Soldan 1992-5-25 92 3 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  UC27007  Mimulus tilingii H. M. Hall 1897-7-22 709 Riverside San Jacinto Mt. 2743 Comment
  UC886389  Mimulus tilingii Carl B. Wolf 1932-8-5 3954 Riverside meadow on trail from Tahquitz Valley to San Jacinto Peak (head of a fork of Tahquitz Creek); San Jacinto Mts., 1st Real 2743 Comment
  POM158453  Minuartia douglasii P. A. Munz 1927-5-21 10876 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  RSA0104491  Mirabilis albida Duncan S. Bell 2015-9-30 8664 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  CSUSB571  Mirabilis californica D. Gordon 1952-2-27 Riverside UCR campus 396 Comment
  CAS-BOT-BC434686  Mirabilis laevis var. crassifolia Munz; Harwood 1920-2-28 3256 Riverside 3 mi. west of Corona 304 Comment
  HSC47585  Mirabilis laevis var. crassifolia R. W. Spjut, C. E. Edson 1978-5-5 5014 Riverside W margins of Colorado Desert, along Hwy. 74 W of Palm Desert in San Jacinto Mtns. 915 Comment
  UC465713  Mirabilis laevis var. crassifolia I. J. Condit May 1926 Riverside Rubidoux Comment
  RSA464250  Mirabilis laevis var. crassifolia Anstruther Davidson 1927-05 s.n. Riverside Colorado Desert. Comment
  JOTR34042  Mirabilis laevis var. retrorsa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2943 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
  OBI40178  Mirabilis laevis var. retrorsa N. Miles Fellows 1985-3-16 114 Riverside Oasis de Los Osos Preserve, off Snow Crk Cyn at the N foot of the San Jacinto Mts, 1 mi W of Snow Crk Village 488 Comment
  POM14052  Mirabilis laevis var. retrorsa P. A. Munz, D. D. Keck 1922-4-14 5008 Riverside East of Whitwater Ranch 213 Comment
  RSA23262  Mirabilis laevis var. retrorsa Ernest Braunton 1940-03 2039 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  RSA652390  Mirabilis laevis var. retrorsa N. R. Zabriskie, Walter Zabriskie 1971-2-15 s.n. Riverside South facing slope, North Canyon, Andreas Canyon drainage, E slope San Jacinto Mnts, Riverside County. 427 Comment
  UC465724  Mirabilis laevis var. villosa E. E. Schellenger 1894-12-2 105 Riverside Chuckawalla Wash, Colorado Desert Comment
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Sep 15 2016
  RSA799255  Mohavea confertiflora Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 740 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  UC673535  Mohavea confertiflora H. L. Mason 1928-3-10 4209 Riverside Coachella Mountains, Hidden Springs Canyon Hidden Springs Canyon; Coachella Mountains, Hidden Springs Canyon Comment
  LA62755  Monardella linoides subsp. linoides Carl Epling; June 1938 sn Riverside Palms to Pines Highway Comment
  POM259259  Monardella linoides subsp. linoides P. A. Munz 1938-8-14 15380 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  UC63754  Monardella linoides subsp. linoides H. M. Hall 1901-6 2430 Riverside Tauquitz Valley San Jacinto Mountains 2133 Comment
  UCR217559  Monardella macrantha subsp. hallii Jeff B. Galvin 2009-7-14 95 Riverside Peninsular Ranges, San Jacinto Mountains, Chimney Flats, along Old Control Road 1383 Comment
  PASA1143  Monardella macrantha var. longiloba Frank W. Peirson 1924-7-27 Riverside Dark Canyon, San Jacinto Mts. 2224 Comment
  UC1499863  Monardella nana E. McClintock, J. Fenley 1940-5-31 14 Riverside 1 mi east of Ribbonwood Camp. Pines to Palms Highway Comment
  RSA750407  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 66 Riverside 0.2 miles E of Ribbonwood Camp. Pines to Palms Highway. Comment
  UCR110995  Monardella nana subsp. arida George K. Helmkamp 1998-6-27 4111 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  SEINET10582420  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 58 Riverside San Bernadino National Forest, Santa Rosa Mtn. 1.4 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on right roadside, west-facing slope (heading back towards Hwy. 74). T7S,R5E,S29. Locally abundant in sun and shade of Pinus jeffreyi, Quercus chrysolepis, with Eriophyllum confertiflorum, Lonicera subspicta, Phlox austromontana, Galium andrewsii, Eriogonum fasciculatum var. foliosum, Amorpha californica, Bromus sitchensis, Castilleja sp. Comment
  RSA750316  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 131 Riverside San Jacinto Mts. On the Idyllwild road, a shot distance below the Keen Camp turn off, in the canyon where the Pseudotsugas first occur. Comment
  SEINET10582077  Monardella nana subsp. tenuiflora A. Graff 1993-6-24 Graff 43 Riverside San Bernadino National Forest, San Jacinto Mtns. 1.45 miles in on Black Mtn. Rd. (USNFS Rd. 4S01) from Hwy. 243, on both sides of the road, though most extensively on the right. Before intersection of 4S01 and 4S02. T4S,R2E,S23. Locally abundant in semi-shade, with Quercus kelloggi, Q. chrysolepis, Picea sp., Pinus coulteri, P. ponderosa, Arctostaphylos pringlei, Eriogonum confertiflorum, Lupinus sp., Lotus scoparius. Need USNFS permission to collect. Comment
  RSA176926  Monardella robisonii Peter H. Raven, David S. Verity 1960-6-5 15495 Riverside Salton View, Joshua Tree National Monument. Comment
  UCR141351  Monolepis nuttalliana Chris E. True, Robert Cox 2004-4-22 s.n. Riverside San Jacinto Wildlife Area, 2 miles NNE of Lakeview Hot Springs and 1.8 mi. north of Ramona Expressway crossing of San Jacinto River, between pipeline and dirt road near center of sec. 31 439 Comment
  POM13677  Monoptilon bellioides E. C. Jaeger 1923-3-18 1033 Riverside Painted Canyon near mecca. Comment
  POM363592  Monoptilon bellioides Martha Hilend 1928-3-11 97 Riverside Morongo Pass, Colorado Desert region. Comment
  SBBG100856  Monoptilon bellioides W. L. Halvorson 1977-2-5 77 -18 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCR148442  Monoptilon bellioides John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  SEINET10842464  Monoptilon bellioides David B. Dunn 1946-3-16 Dunn 2076 Riverside Dry arid slope in Pushawalla Palm Canyon about 1 mile above the main group of Palms. Comment
  UCR132709  Morus alba A. C. Sanders, O. F. Clarke 1991-6-10 11121 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA0120240  Muhlenbergia appressa Duncan S. Bell 2016-4-14 9277 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  UCD86560  Muhlenbergia asperifolia F. M. Reed 1907-10-20 1982 Riverside Riverside and Vicinity spring brook above Fairmont Park. Comment
  UCR185175  Muhlenbergia filiformis Naomi Fraga, Et al. 2006-7-11 1716 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  CAS-BOT-BC275253  Muhlenbergia microsperma Steve Boyd; et al. 1990-4-3 4101 Riverside Vail Lake Area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain, just S of the E summit 701 Comment
  RSA0049531  Muhlenbergia microsperma J. C. Roos 1952-4-9 5507 Riverside East face Mt. Rubidoux. 365 Comment
  SEINET10468383  Muhlenbergia richardsonis David B. Dunn 1946-8-18 Dunn 2757 Riverside Found Jolly Springs ravine on trail up Devil's Slide. San Jacinto Mts. Wellman Sieniga, damp soil. Comment
  UCR113548  Myoporum laetum Mitch Provance 1998-6-6 690 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  RSA614810  Najas marina L. C. Wheeler 1953-3-30 7033 Riverside Alligator Slough on the Colorado River. Comment
  UC407024  Nama Roxana S. Ferris 1928-4-22 7188 Riverside near Ripley s Blythe (Colorado River bottom); Colorado River bottom nr Ripley, s of Blythe Comment
  RSA480031  Nama demissa Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2154 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA699658  Nama demissa Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  UCR233163A  Nama demissa var. demissa Jim Andre, Glenn L. Clifton 2011-2-22 17448 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA0108938  Nama hispida Duncan S. Bell, Amanda Bell 2012-1-28 3072 Riverside East side of the Arica Mountains; collecting along the old railroad tracks on the west side of Rice Valley, approximately 6.25 air miles south of the ghost town of Rice. 224 Comment
  RSA108340  Nassella cernua Frank W. Gould 1944-4-4 2206 Riverside 12 miles S of Corona on road to Elsinore, alt Riverside County Comment
  UC188932  Nassella cernua Fred M. Reed 1903-12-13 219 Riverside Bluffs Ranch Riverside; <Bluffs Ranch on Arroyo Tequesquite, terrace at S end> Comment
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Apr 30 2011
  CAS-BOT-BC260109  Nassella pulchra S. B. Parish; W. F. Parish 1882-6-1 1550 Riverside Base of San Jacinto Mountain Comment
  RSA731541  Nassella tenuissima R. E. Riefner 2007-5-26 7 -216 Riverside City of Lake Elsinore, along I-15 north near Main St. 404 Comment
  UCR140905  Navarretia atractyloides Virginia Moran 2003-5-28 s.n. Riverside Peninsular Range; Perris-Aguanga Basin region, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  UCR157964  Navarretia atractyloides T. B. Salvato, A. C. Sanders 2005-5-17 930 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
  RSA356632  Navarretia fossalis R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47317 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  RSA550484  Navarretia fossalis D. E. Bramlet 1992-4-29 2254 Riverside The site is approximatly 8km southwest of Hemet. The vernal pools are located northwest of the intersection California Ave. and Stowe Rd. The pools are located some 5-500 ft. N of Stowe Road and some 20-700 ft west of California Ave. 456 Comment
  RSA17255  Navarretia hamata C. B. Wolf 1936-6-17 7958 Riverside Santa Ana Mountains, Tenaja Road: road to La Cienaga, 1.4 mile off Ortega Highway. 610 Comment
  UCR206020  Navarretia prostrata Diane Menuz 2009-5-14 495 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  SD258496  Nemacaulis denudata var. gracilis J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24394 Riverside West Riverside Mountains: at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct, 3 miles S of Grommet RR xing at Hwy 62. (Grommet 7.5'Q) 363 Comment
  UCR279408  Nemacladus A. C. Sanders, Jim Malusa 2017-3-25 42995 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  CLARK-A1528-2369  Nemacladus glanduliferus John C. Roos 1966-3-26 Riverside Chuckwalla Mountains Comment
  UCR86150  Nemacladus longiflorus var. breviflorus A. C. Sanders, M. Skinner 1995-4-6 16395 Riverside Sonoran (Colorado) Desert, NW end of Coachella Valley, wash east of Hwy 62 and south of Indian Avenue; 0.45 mi. south of Indian on Worsley Road 500 Comment
  RSA0126343  Nemacladus longiflorus var. longiflorus P. A. Munz 1922-4-28 5024 Riverside Temescal Canyon. Comment
  JOTR34081  Nemacladus orientalis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2976 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA28048A  Nemacladus orientalis I. L. Wiggins 1941-3-27 9671 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  UCR158333  Nemacladus ramosissimus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30061 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  SEINET3815154 Image available Nemacladus rigidus Ira L. Wiggins 1941-3-27 9671 Riverside South end of Coxcomb Mountains 8 miles NE of Desert Center Comment
  SEINET10461122  Nemacladus rubescens Annie M. Alexander, Louise Kellogg 1941-4-24 Alexander 2085 Riverside Gorge of Dry Morongo Creek, Morongo Valley 640 Comment
  UCR18415  Nemacladus sigmoideus A. C. Sanders 1978-4-30 00254 Riverside Peninsular Range; Santa Rosa Mtns, Cactus Spring Trail, first large wash east of Horse Thief Creek, probably very near Cactus Spring 1311 Comment
  SEINET10460920  Nemacladus sigmoideus Raven 1958-5-5 Raven 12890 Riverside Along road just west of Split Rock, Joshua Tree National Monument Comment
  RSA523488  Nemophila menziesii Steve Boyd, Tim Ross, L. Arnseth 1990-3-30 3948 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  UCR889  Nemophila menziesii Rex Sanders 1973-4-21 s.n. Riverside Peninsular Range, Cajalco Road, 3 mi. west of Mockingbird Canyon Road, south of Lake Matthews 244 Comment
  RSA645309  Nemophila menziesii subsp. integrifolia Steve Hampson 2000-5-21 s.n. Riverside Peninsular Ranges; Santa Ana Mountains: Morgan Canyon, San Mateo Canyon Wilderness Area, along Morgan Trail about 1 mile from trailhead on Main Divide Road. Comment
  RSA329566  Nemophila menziesii var. menziesii Gary D. Wallace 1966-4-7 447 Riverside Tucolata Valley between Sage and Murrieta. Comment
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Feb 23 2017
  RSA339360  Nicolletia occidentalis R. F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53587 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  CLARK-A1528-4353  Nicotiana bigelovii John C. Roos, Lucille Roos 1952-6-21 5783 Riverside Reche Canyon 685 Comment
  UCR97268  Nicotiana glauca Scott D. White 1995-4-5 2762 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA0018756  Nicotiana obtusifolia Anstruther Davidson 1893-4-10 1936 Riverside Palm Springs. Comment
  UCR274849  Nicotiana obtusifolia David Fraker, Aaron C. Sedgwick 2012-4-5 075 Riverside Sonoran (Colorado) Desert, north of the Salton Sea on Dos Palmas Spring Road, c. 500 ft south of the aqueduct 2 Comment
  UCSB41263  Nicotiana obtusifolia Cowan, Clark 1978-4-23 Riverside 2.7 mi (4.3 km) S on Hwy 74 from its jct w/ Hwy 111 at Indian Wells, Whittaker transect #W-218 210 Comment
  SEINET3078208 Image available Nicotiana trigonophylla John Adams 1965-5-9 210 Riverside NE side of San Jacinto Mountains, Palms Springs area, 1 mi below tramway. 366 Comment
  RSA747436  Nolina parryi T. Scott, K. M. Meyer, A. Townesmith 2007-3-18 137 Riverside San Bernardino National Forest. San Jacinto Ranger District, about 0.2 mi. along Pinon Flats Transfer Station Rd. off Rte. 74. 1228 Comment
  UCSB18701  Nolina parryi Main, Nancy 1965-5-9 Riverside State Highway 74, 10 miles S of junction with State Highway 71, San Jacinto Mountains 1219 Comment
  CLARK-A1528-3541  Notholaena newberryi John C. Roos 1936-11-21 Riverside La Sierra Comment
  UC1174407  Nuttallanthus texanus Ira L. Wiggins and W. R. Ernst 1958-5-2 225 Riverside 2 mi n of Temecula (along Highway 395) Comment
  UCR23216  Oenothera californica Wendy Smith 1981-5-23 41 Riverside Peninsular Range; San Jacinto Mtns./Santa Rosa Mtns., Garner Valley. Off Hwy 74, at the entrance to Indian Rock Ranch, 28.1 mi south of its jct with Hwy 111 in Palm Desert 1707 Comment
  UCR244472  Oenothera californica Jim Andre 2012-4-16 20943 Riverside Southern Mojave Desert, Joshua Tree National Park; along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of (paved) National Park Loop Rd. 990 Comment
  POM3078  Oenothera californica subsp. californica Jenkins, Street 1955 Riverside San Jacinto River Canyon. Comment
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Mar 1 2014
  CHSC8448  Oenothera deltoides Edward Laidlaw Smith 1958-3-21 358 Riverside 3 mi. n. Desert Center, Chukwalla Mt. Range. Colorado River drainage area. 274 Comment
  UC909740  Oenothera deltoides subsp. deltoides Norman C. Cooper 1949-3-15 3026 Riverside sand dunes Palm Springs 30 Comment
  POM187409  Oenothera elata subsp. hirsutissima L. Crutcher 1933-8-2 13 Riverside Camp Tahquitz, San Jacinto Mountains. Comment
  RSA53907  Oenothera primiveris subsp. bufonis D. F. Howe 1949-3-21 s.n. Riverside 3 miles west of Blythe. Comment
  RSA698596  Oligomeris linifolia J. R. Bruff s.n. Riverside Palm Springs. Comment
  UCR17455  Oligomeris linifolia Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Graham Pass Road, Chuckwalla Bench. 457 Comment
  CLARK-A1703-1202  Olneya tesota Charlotte Stocks 1962-5-5 Riverside Coachella Valley Comment
  JEPS100417  Oncosiphon piluliferum Dean W. Taylor 2003-5-8 18551 Riverside Davis Road 0.5 miles north of Lakeview, San Jacinto Wildlife Area 434 Comment
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Feb 19 2009
  RSA781254  Oncosiphon piluliferum A. C. Sanders 2011-3-30 38906 Riverside city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  RSA592684  Opuntia chlorotica Scott D. White, Duayne Haselfeld 1996-7-2 4268 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  POM314641  Opuntia phaeacantha G. R. Vasey 1880-1 s.n. Riverside San Jacinto Plains. Comment
  RSA0097156  Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2015-6-23 18358 Riverside 2.5 km north of central Banning, 39 km NW of central Palm Springs. 841 Comment
  UCR113635  Orcuttia californica June Latting 1978-6-4 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, Mesa de Burro, pond near rocks 610 Comment
  SD103331  Orobanche californica subsp. feudgei W. P. Armstrong 1979-6-23 Riverside Bautista Canyon Road, ca. 6.0 miles northwest of junction with Highway 371. 1219 Comment
  RSA0042859  Orobanche cooperi Duncan S. Bell, Deidre Conocchioli 2014-3-18 6262 Riverside Orocopia Mountains; southern/central section of range; approximately 0.75 air mile northwest of Gucci Spring. 483 Comment
  RSA0066569  Orobanche cooperi Gale Sphon 1956-6-13 s.n. Riverside Palms to Pines Highway. [Incorrectly labeled as San Bernardino County] Comment
  SEINET10500315  Orobanche cooperi David B. Dunn Dunn 2045 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  RSA0066538  Orobanche cooperi subsp. cooperi Theodore W. Minthorn 1927-6-29 s.n. Riverside Near Indio. Comment
  SEINET8853686 Image available Orobanche fasciculata Norman C. Cooper 1944-1 1406 Riverside San Jacinto Mtns. West side. 1372 Comment
  RSA0076582  Orobanche multicaulis Barry A. Prigge, L. Martinez 1978-3-23 2414 Riverside NW Colorado Desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads. 335 Comment
  RSA612927  Orthocarpus densiflorus var. gracilis D. L. Banks 1997-3-29 1649 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 463 Comment
  RSA402100  Orthocarpus purpurascens G. R. Johnstone 1934-3-27 s.n. Riverside Near Wildomar. Inland route to Temecula. Comment
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Dec 11 2011
  RSA402103  Orthocarpus purpurascens Ernest A. McGregor 1962-4-1 s.n. Riverside On Highway 71, south of Elsinor. Comment
  RSA458993  Osmorhiza brachypoda Christopher Davidson 1977-5-18 5618 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1219 Comment
  SD136935  Osmorhiza brachypoda Steve Boyd 1992-4-14 6801 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Verdugo Trail from Tenaja Trail to Bluewater Trail, upper Bluewater Cyn., S of Sitton Peak Comment
  RSA535487  Oxalis albicans subsp. californica Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-2 6635 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  POM307255  Oxytheca emarginata Henry J. Ramsey 1937-5-22 2131 Riverside Santa Rosa Mountains Comment
  CAS-BOT-BC413309  Oxytheca perfoliata J. Von Loh 1978-7-11 3375 Riverside Edwards AFB Comment
  RSA506847  Oxytheca trilobata James L. Reveal, Barbara J. Ertter 1976-6-30 4567 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4 miles south of Hwy 74. 1738 Comment
  UC64505  Oxytheca trilobata H. M. Hall June 1901 2082 Riverside vicinity Chalk Hill; San Jacinto Mountains 1402 Comment
  UCR202001  Oxytheca trilobata Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  CLARK-A1528-5815  Paeonia brownii John C. Roos, Lucille Roos 1952-3-1 5381 Riverside San Timoteo Canyon 518 Comment
  RSA434266  Paeonia californica Ora M. Clark 1929-3-2 1627 Riverside Near Elsinore. Comment
  RSA594000  Paeonia californica D. L. Banks, Elizabeth Hedge Banks 1996-5-2 932 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
  UCR102816  Paeonia californica A. C. Sanders 1997-3-19 20059 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  CAS-BOT-BC327893  Palafoxia arida L. R. Abrams 1926-3-26 11028 Riverside Palm Springs Comment
  CAS-BOT-BC327897  Palafoxia arida Alice Eastwood 1913-4-30 3088 Riverside Palm Springs Comment
  SBBG100852  Palafoxia arida W. L. Halvorson 1977-3-3 77 -70 Riverside near roadway of Interstate 10, 30 mi W of Blythe Comment
  JEPS26054  Palafoxia arida var. arida Spencer W. Brown and U. Nur 1960-2-6 Riverside 4 mi E of Beaumont on Hwy 99 Comment
  RSA771035  Palafoxia arida var. arida Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4542 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA781995  Palafoxia arida var. arida Stephanie Rockwood, Christi Gabriel 2011-10-18 123 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  SD124922  Palafoxia arida var. arida Scott Cantrell 1986-3-28 92 Riverside Desert Hot Springs, near Highway 62 and Indian Ave. 519 Comment
  UC665894  Palafoxia arida var. arida Ira L. Wiggins 1941-3-27 9670 Riverside about 4 mi ne Desert Center (on road to Rice) Comment
  RSA614834  Panicum capillare A. C. Sanders, Scott D. White, C. L. Sanders 1994-10-9 15810 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 550 Comment
  CLARK-A1528-4784  Panicum hirticaule John C. Roos 1965-9-5 Riverside Comment
  RSA263663  Papaver californicum E. W. Lathrop 1969-5-8 7017 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  SD152790  Papaver californicum Steve Boyd, Carol Boyd and Kyle Boyd 1992-3-21 6736 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Tenaja Canyon along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  UC64142  Papaver californicum John Haslam 1897-4-19 482 Riverside s of San Jacinto (St. John's Canyon); St. John's Canyon Comment
  UCR1556  Parietaria hespera var. californica David L. Davis 1962-4-15 27 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Sycamore Canyon, c. 1.5 mi south of Pennsylvania [=Martin Luther King] Ave., 0.5 mi east of Canyon Crest Drive 366 Comment
  RSA289826  Paspalum distichum B. A. Prigge 1980-9-17 4087 Riverside Coachella Valley Stormwater Channel: 2 mi. W of Mecca, where Pierce Rd. crosses channel., Near Lat. 33 : 34 N ; Long. 116: 6 W. -55 Comment
  UCR103784  Paspalum distichum Scott D. White 1994-10-21 2507 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  UCD88694  Paspalum notatum Leslie L. Ede 1972-8-1 s.n. Riverside Blythe. Comment
  UCR239844  Paullinia pinnata O. F. Clarke 2003-9-3 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  POM268769  Pectis papposa Marcus E. Jones 1929-9-16 s.n. Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  RSA781998  Pectis papposa Stephanie Rockwood, Christi Gabriel 2011-10-18 119 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 109 Comment
  OBI15592  Pectis papposa var. papposa Lewis S. Rose 1961-11-24 61063 Riverside La Quinta 15 Comment
  UCD134925  Pectis papposa var. papposa G. L. Webster; R. Hildreth 1966-12-10 7465 Riverside Joshua Tree National Monument, near Cottonwood Canyon. 701 Comment
  SBBG92929  Pectocarya heterocarpa D. Charlton 1988-2-18 1147 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  SD185171  Pectocarya heterocarpa A. C. Sanders, G. K. Helmkamp and P. J. MacKay 1995-3-12 16085 Riverside Santa Rosa Mountains, at the foot of Rabbit Peak, below Sheep Canyon. Comment
  UCR116454  Pectocarya linearis A. C. Sanders, T. B. Salvato 2001-3-30 23873 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR84650  Pectocarya linearis Scott D. White, S. Ogg 1994-4-21 1992 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  CLARK-A1528-2248  Pectocarya linearis subsp. ferocula John C. Roos 1937-3-24 1338 Riverside Pigeon Pass Comment
  RSA525683  Pectocarya linearis subsp. ferocula Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4553 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  POM368778  Pectocarya penicillata Elbert Benjamine 1929-5-18 s.n. Riverside Mt San Jacinto. 762 Comment
  RSA678419  Pectocarya penicillata Michael Wall 2003-4-15 267 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  RSA750748  Pectocarya penicillata Scott D. White, Justin M. Wood 2009-5-22 12890 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  UCR241683  Pectocarya penicillata T. B. Salvato 2013-3-22 7408 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  UC1929659  Pectocarya peninsularis V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1081 Riverside Transverse Ranges, Little San Bernardino Mountains region; Big Morongo Wash. 473 Comment
  OBI38914  Pectocarya platycarpa A. C. Sanders, B. Pitzer, D. Charlton, & Kniffen, Kniffen 1986-3-3 6123 Riverside Corn Spring, Chuckwalla Mts, wash below the spring and wash and rocky slopes to the south (T6S, R16E, sec 28-projected) 488 Comment
  RSA77866  Pectocarya recurvata F. W. Peirson 1920-2-16 1012 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  UCR59676  Pectocarya recurvata Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3041 Riverside Peninsular Range, Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain 622 Comment
  RSA585625  Pedicularis densiflora D. L. Banks, Steve D. Boyd 1995-3-15 60 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 680 Comment
  UC1088550  Pediomelum californicum Peter H. Raven 1958-5-18 12983 Riverside San Jacinto Mountains, Pinyon Flats Comment
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Jun 9 2012
  UCR118636  Pelargonium grossularioides O. F. Clarke 2001-4-30 s.n. Riverside Riverside, yard of Arlee Montalvo, Picacho Dr. east of UCR campus off Watkins Dr. 366 Comment
  CAS-BOT-BC69223  Pellaea andromedifolia Winfield 1975-5-4 2361 Riverside Highway 74 mile marker 52 22 914 Comment
  CLARK-A1528-37  Pellaea andromedifolia E. Kozloff 1938-1-9 Riverside Corona Comment
  UCR121313  Pellaea andromedifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25005 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  SBBG35016  Pellaea mucronata T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns Comment
  RSA228803  Pellaea mucronata var. mucronata Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 612 Riverside Cleveland Nat. Forest. Ca. 8 mi. south of Lake Elsinore, off Forest Route 7S04. Comment
  RSA543733  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6068 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
  UC809637  Pellaea mucronata var. mucronata Philip A. Munz 1949-4-13 13048 Riverside above Cottonwood Springs; Colorado Desert, w end Eagle Mts 1097 Comment
  UCR139250  Penstemon californicus A. C. Sanders, Kate Kramer 2003-6-11 26880 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, near Morris Ranch Rd. c. 0.25 mi. NW of Kenworthy Ranger Station 1377 Comment
  UCR47791  Penstemon californicus D. C. Michener, W. Wisura 1982-6-8 4052 Riverside San Jacinto Mtns., Slopes on NE side of Garner Valley immediately adjacent to valley floor just NW of the junction of Morris Ranch road & Calif. Hwy 74. Comment
  JEPS11253  Penstemon centranthifolius C. V. Meyer June 1927 272 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow Comment
  RSA184663  Penstemon clevelandii subsp. connatus L. B. Ziegler 1966-6-1 s.n. Riverside Near old Kenworthy Mine, Kenworthy Ranger Station, Hemet Valley 1524 Comment
  NY583953  Penstemon clevelandii var. connatus R. F. Thorne 1978-4-23 52077 Riverside Bighorn Lookout: north slope of Santa Rosa Mountains Comment
  NY583964  Penstemon clevelandii var. connatus F. W. Pennell 1940-4-28 25288 Riverside Route 74, below Ribbonwood, east of San Jacinto Range 1066.8 Comment
  UCD124052  Penstemon clevelandii var. connatus Richard Bates 1949-3-1 s.n. Riverside Pines to Palms Highway, top of Palm Canyon. Comment
  UCR187288  Penstemon grinnellii Diane Menuz 2006-6-27 182 Riverside Peninsular Range; Santa Ana Mtns, trail to Santiago Peak, 100 m from Main Divide Road 1470 Comment
  RSA90125  Penstemon grinnellii E. K. Balls, Percy C. Everett 1953-8-19 18540 Riverside Yellow Pine Forest Community; Mountain Home Springs, Santa Rosa MT. 1921 Comment
  UC27406  Penstemon rostriflorus H. M. Hall 1901-6-24 2238 Riverside Squirrel Creek San Jacinto Mountains, Squirrel Creek (in canyons of the w side, San Jacinto Mountains) Comment
  RSA343095  Penstemon spectabilis Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60618 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 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
  CAS-BOT-BC239693  Penstemon thurberi Edmund C. Jaeger 1927-5-12 s.n. Riverside Near Smith Canon [Canyon], Keyes Ranch 1280 Comment
  RSA186207  Pentachaeta aurea L. B. Ziegler 1966-6-25 s.n. Riverside Between Mountain Center and Keen camp Summit 1463 Comment
  CAS-BOT-BC77474  Peritoma arborea var. angustata Aven Nelson 1930-3-1 11168 a Riverside No. of Palm Springs Comment
  CAS-BOT-BC355997  Perityle emoryi Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  RSA726521  Perityle emoryi Naomi Fraga, Lisa Rojas 2005-2-10 1402 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UC306394  Perityle emoryi Geo. B. Grant 1896-4-20 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UC565485  Perityle emoryi Margaret Stason 1927-3-12 Riverside Colorado Desert Comment
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Nov 12 2011
  SEINET10875493  Perityle emoryi David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2897 Riverside Pushawalla Canyon Biota. Indio Hills. In dry wash. Comment
  SEINET9315412  Perityle emoryi Unknown 1938-12-22 38337 Riverside San Jacinto Mountains Comment
  UCR72192  Petalonyx thurberi Theo Glenn 1991-5-2 91- 127 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  RSA612171B  Petunia parviflora Louis C. Wheeler 1932-7-9 932 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR153470  Petunia parviflora Chris E. True, Robert Cox 2005-5-19 s.n. Riverside Perris Basin, Mystic Lake, San Jacinto Wildlife Refuge near Gilman Springs Road and Bridge St., 1.4 mi. SE of Jackrabbit Trail 442 Comment
  CAS-BOT-BC326738  Peucephyllum schottii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  CAS-BOT-BC326773  Peucephyllum schottii Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9562 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  UCR200265  Peucephyllum schottii J. M. Porter, Orlando Mistretta 2003-6-5 13611 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Chocolate Mountains. Chocolate Mountains Bombing and Gunnery Range. Unnamed canyon, south of Salt Creek, accessed via Siphon 21 of the Coachella Canal, fork running east, above the pour-off 439 Comment
  SEINET7907969  Phacelia D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris and Lake Elsinore 488 Comment
  RSA426009A  Phacelia ambigua H. de Forest, Jack Rempel 1935-4-14 s.n. Riverside Mojave Desert between Lost Horse Valley and Pinto Basin. Comment
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Jan 8 2017
  RSA554212  Phacelia ambigua Theo Glenn 1991-4-9 91 -4 Riverside Big wash in Eagle Mountains 787 Comment
  UCR148850  Phacelia ambigua Chet McGaugh 2005-1-5 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 1 mi. north of the Imperial Co. line along Coachella Canal right-of-way 21 Comment
  UCR232514  Phacelia ambigua var. ambigua Dave Silverman 2010-3-30 7889 Riverside Sonoran (Colorado) Desert, lower east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10 183 Comment
  POM122680  Phacelia brachyloba Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  SBBG25054  Phacelia campanularia D. Myrick 1966-4-2 1333 Riverside upper end of Aqueduct Rd, SE of Desert Hot Springs Comment
  RSA27807  Phacelia campanularia subsp. vasiformis C. L. Hitchcock 1940-3-29 5862 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  UCD120320  Phacelia cicutaria var. hispida Raymond A. Evans 1949-5-14 s.n. Riverside Santa Ana Canyon, west of Corona. Comment
  UCR97708  Phacelia cicutaria var. hispida Scott D. White 1997-2-28 4716 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR104644  Phacelia ciliata D. E. Bramlet 1993-3-30 2303 Riverside South Cajalco Bend. The site is located some 1.5 m south of Cajalco Road, at a location 3.2 km east of the intersection of Cajalco Road and Sierra Ave. The site is approximately 5m east of the intersection with the Monument Peak Road. 451 Comment
  RSA701088  Phacelia crenulata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11248 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
  SD6817  Phacelia crenulata var. ambigua S. B. Parish, W. F. Parish Apr 1882 Riverside Agua Caliente [now Palm Springs] Comment
  JOTR36008  Phacelia crenulata var. minutiflora Harding, Mitzi, T. Herskovits 2012-3-16 216 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA778225  Phacelia crenulata var. minutiflora Duncan S. Bell 2009-3-7 30 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  JEPS2002  Phacelia distans W. L. Jepson 12567 Riverside n Mecca; Colorado Desert, Eagle Mts., Cottonwood Spr. 731 Comment
  RSA747799  Phacelia distans Scott D. White, Justin M. Wood 2009-3-24 12576 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  RSA784335  Phacelia distans J. D. Olmsted 1959-4-17 382 Riverside Santa Ana River drainage area. Puente Hills. 0.25 mi N of Prado dam along Hwy 71 on west side of road. 213 Comment
  SD107798  Phacelia distans C. W. Tilforth 1978-4-30 1567 Riverside Low rounded hills east of Norco. Comment
  UCR104034  Phacelia distans George K. Helmkamp 1998-2-5 2638 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UC144133 Image available Phacelia douglasii var. cryptantha Charlotte M. Wilder 1908-3-28 873 Riverside sandy flat north of pond, Fairmount Park, Riverside, Cal. Comment
  RSA788239  Phacelia imbricata subsp. patula L. M. Prince, Duncan S. Bell 2009-6-17 582 Riverside Cleveland National Forest. Comment
  UC1228377  Phacelia imbricata subsp. patula L. R. Heckard 1956-6-28 767 Riverside along CA route 74 about 1 mi w Idyllwild junction 1402 Comment
  UC672713  Phacelia imbricata subsp. patula Harlan Lewis 1942-1 1709 Riverside near Idyllwild; Saunders Meadow Comment
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Sep 23 2013
  NY57344  Phacelia keckii P. A. Munz 1923-6-14 7056 Riverside Glen Ivy Trail to Santiago Peak 1432.6 Comment
  CSUSB1304  Phacelia minor Randy Salstrom 1966-3-15 Riverside 2 miles north of highway between Beaumont and Indio, about 3 miles west of Whitewater. 426 Comment
  UCR103178  Phacelia minor Scott D. White, Julie Greene 1997-3-12 4773 Riverside Pedley area, S foot of Jurupa Hills: Just north of State Route (Fwy) 60 at Pedley exit. 305 Comment
  UC107583  Phacelia mutabilis A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. Comment
  RSA480078  Phacelia neglecta Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin 1988-3-10 2163 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  LA205628  Phacelia ramosissima Elizabeth McClintock; 1936-7-19 s.n. Riverside SAN JACINTO MOUNTAINS, Idyllwild. Comment
  UCR162053  Phacelia tanacetifolia T. B. Salvato 2003-4-15 175 Riverside Box Springs Mtns, University of California, Riverside. Road leading to Botanic Garden 396 Comment
  UCR19300  Phalaris aquatica John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  RSA525330  Phalaris minor Steve Boyd, A. C. Sanders, M. Skinner 1990-4-28 4461 Riverside Vail Lake area, Hwy R3 (Sage Rd) at jct. with Powerline Rd., N of Radec about 3 miles NE of Vail Lake Comment
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Feb 22 2013
  UCR241005  Pholistoma auritum var. auritum Tracy Tennant 1998-4-7 241 Riverside Peninsular Range/Perris-Aguanga Basin Region, S end of Gavilan Hills, valley NE of Lake Elsinore 473 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
  POM13316  Pholistoma membranaceum E. C. Jaeger 1920-3-15 1080 Riverside Palm Canyon, Palm Springs. Comment
  RSA640172  Phoradendron californicum Louis C. Wheeler 1964-10-17 8640 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
  SD229302  Phoradendron californicum Dick Schwenkmeyer 2012-11-6 871 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  UC61548  Phoradendron californicum Miss Mary McKibben Riverside Mecca -60 Comment
  UCD102016  Phoradendron californicum Dennis Kucera 1987-11-14 s.n. Riverside Malki Museum garden, E of Banning off Fields Rd, Morongo Indian Reservation. 609 Comment
  UCR95733  Phoradendron californicum L. C. Wheeler 1956-2-25 7176 Riverside Sonoran (Colorado) Desert, Deep Canyon, south of Palm Desert Comment
  UC66695  Phoradendron villosum N. K. Berg 1904-3-4 Riverside San Jacinto <R. C.> Comment
  RSA0020378  Phragmites australis Duncan S. Bell, Keir Morse 2013-3-30 4664 Riverside A small hidden spring in an unnamed canyon to the east of Snow Canyon, about 1.8 air miles southwest of Windy Point. 482 Comment
  RSA24221  Phragmites australis C. B. Wolf 1941-1-2 9813 Riverside East side of Salton Sea, half way between Date Palm Beach and Salton Sea -70 Comment
  JEPS8987  Physalis crassifolia W. L. Jepson 1901-5-22 1386 Riverside Palm Canyon to Van de Venter's (San Jacinto Mts.); San Jacinto Mts. Comment
  POM4167  Physalis crassifolia I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canon. 274 Comment
  RSA444461  Physalis crassifolia Roos 1965-6-23 s.n. Riverside Lost Palms Wash. Comment
  RSA675709  Physalis crassifolia Scott D. White 2000-10-24 8140 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 610 Comment
  RSA709876  Physalis crassifolia Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4621 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA778488  Physalis crassifolia Duncan S. Bell 2009-3-8 53 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR279405  Physaria tenella A. C. Sanders, Jim Malusa 2017-3-25 43020 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  SDSU21794  Pilularia americana Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3985 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UCR167862  Pinus T. B. Salvato, John F. Green 2004-5-27 647 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
  RSA220955  Pinus coulteri E. W. Lathrop 1966-3-23 6115 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  POM11516  Pinus flexilis Philip A. Munz 1922-6-28 5886 Riverside Santa Rosa Mts. Toro Peak. 2439 Comment
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Mar 28 2014
  CLARK-A1528-3630  Pinus quadrifolia John C. Roos 1938-8-7 585 Riverside San Jacinto Mountains Comment
  POM319568  Piperia Patricia Wilder 1968-7-5 4323 Riverside Forested area near Idyllwild, San Bernardino National Forest, Strawberry-Little Tahquitz Creek Drainage Area, San Jacinto Mountains. Alt: 6100 ft. 1860 Comment
  UCR31326  Piperia elongata A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3868 Riverside San Jacinto Mtns, Hwy 243 at the Poppet Flats Tuck Trail 1220 Comment
  UCR214576  Plagiobothrys canescens A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37857 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR225727  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-3-30 38900 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  UCR228257  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-4-1 38928 Riverside Peninsular Range, Lake Elsinore, near intersection of Pierce St., Baker St., and Nichols Rd., flats at south side of Alberhill Mtn. 389 Comment
  UCR98083  Plagiobothrys collinus A. C. Sanders, G. Helmkamp 1997-3-15 19932 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  SEINET7073313  Plagiobothrys collinus var. californicus A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UCR250380  Plagiobothrys collinus var. californicus A. C. Sanders, John F. Green 2014-4-4 40969 Riverside Peninsular Range; Elsinore Trough, Temescal Canyon, south of I-15 Freeway, 750 m SE (143 deg. ) of the Horse Thief Canyon Rd. intersection 396 Comment
  SD6744  Plagiobothrys collinus var. fulvescens Daniel Cleveland 1882-5-3 Riverside San Jacinto Plains Comment
  SD6753  Plagiobothrys collinus var. fulvescens unknown May 1882 Riverside San Jacinto Comment
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Jul 12 2010
  UCR214294  Plagiobothrys jonesii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37475 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
  UCR237630  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-10 840 Riverside Riverside Mountains, in the vicinity of Mountaineer Mine and Calzona Mine, c. 3.8 air mi west of the Colorado River, c. 2 air mi northeast of Riverside Mountain Peak 198 Comment
  UCR38139  Plagiobothrys jonesii J. M. Stewart 1985-3-16 s.n. Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  UC219101  Plagiobothrys leptocladus P. A. Munz 1922-4-29 5068 Riverside 1/2 mi s Lake Elsinore 381 Comment
  OBI33570  Plagiobothrys nothofulvus A. C. Sanders & T. Glenn, T. Glenn 1983-4-17 3737 Riverside Mesa de Colorado, Santa Ana Mts, 5 mi (airline) SW of Murrieta 610 Comment
  SDSU13679  Plagiobothrys nothofulvus Jutta Buschbom 1991-5-1 45 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR117306  Plagiobothrys nothofulvus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 740 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA496459  Plagiobothrys tenellus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3075 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  UCR22098  Plagiobothrys tenellus Steve Boyd 1980-5-2 155 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR91881  Plagiobothrys tenellus A. C. Sanders, O. F. Clarke 1996-4-13 18036 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  RSA336209  Plantago bigelovii subsp. californica Robert F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51985 Riverside Santa Rosa Plateau, Mesa de Colorado, vernal pools and marshes. 610 Comment
  UCR266325  Plantago elongata D. E. Bramlet 1991-4-29 2089 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road 457 Comment
  SD137693  Plantago erecta Darin L. Banks 1995-5-9 328 Riverside NW Palomar Mountains N. 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
  UCR241008  Plantago erecta Tracy Tennant 1998-4-7 238 Riverside Peninsular Range/Perris-Aguanga Basin Region, Mariette Rd. at Grouse Court, 2.25 mi. NE of Vail Lake Dam 582 Comment
  HSC80287  Plantago lanceolata Steve Boyd 1985-7-23 1000 Riverside 5 mi. W of Rancho California at the junction of Rancho California Rd. & De Luz Rd. 427 Comment
  UC124605  Plantago lanceolata Geo. R. Hall 1908-1 8485 Riverside Riverside Comment
  JEPS6882  Plantago ovata Ivan Johnston Apr 4 1917-Apr 6 1917 1006 Riverside near Palm Springs; Colorado Desert 152 Comment
  RSA778485  Plantago ovata Duncan S. Bell 2009-3-8 50 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  SEINET3523551 Image available Plantago ovata Jim Andre, T. La Doux 2010-2-28 12553 Riverside Lower Colorado River Valley; along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower. 83 Comment
  UC665820  Plantago ovata Ira L. Wiggins 1941-3-24 9588 Riverside 1 mi n Imperial County line (on e side of Salton Sea); Salton Sea Comment
  UCR85084  Plantago ovata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16031 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  POM157910  Plantago patagonica P. A. Munz 1927-5-20 10809 Riverside 10 miles S. of Hemet. Comment
  RSA757782  Plantago patagonica LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4305 Riverside 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
  RSA652520  Platanus racemosa G. Foster 1961-4-30 118 Riverside Palm Canyon, Palm Springs. Comment
  JEPS51570  Platystemon californicus Marjorie D. Clary 1932-5-13 1629 Riverside Lost Horse Canyon extreme n boundary of Colorado Desert, Lost Horse Canyon (extreme northern boundary of Colorado Desert) Comment
  CLARK-A1528-3416  Platystemon californicus var. crinitus John C. Roos 1942-5-2 1147 Riverside Joshua Tree National Park Comment
  POM296106  Pleuraphis rigida Lyman Benson 1933-3-31 4159 Riverside US 66 [US 60], Palm Springs. Mt. Range San Jacinto. 305 Comment
  RSA0013275  Pleuraphis rigida April Garbat, Sarah De Groot 2013-4-9 43 Riverside Graham Pass Rd in a wash 5.6 mi S of Chuckwalla Springs Rd. 427 Comment
  JOTR31869  Pleurocoronis pluriseta La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2123 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  LA203877  Pleurocoronis pluriseta Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9572 Riverside Mecca Hills 2 mi. up Painted Canyon Comment
  SBBG53816  Pleurocoronis pluriseta E. A. Cardiff 1968-2-25 Riverside S side of Painted Cyn in Mecca Hills Comment
  UC68949  Pleurocoronis pluriseta H. M. Hall 1905-5-1 5992 Riverside hills near Indio; Colorado Desert Comment
  UC73998  Pluchea odorata var. odorata Geo. R. Hall Sept 1905 Riverside near Riverside Comment
  POM10245  Pluchea sericea H. M. Hall 1904-5-24 4958 Riverside Along Santa Ana River, near Riverside Comment
  UCR85588  Polygonum argyrocoleon Julie A. Greene, Steve Boyd, D. E. Bramlet, Hilda Flores, H. Ochoterana 1993-7-9 1425 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of Visitor center, by waterfowl kiosk, east of Davis Road. 433 Comment
  UC582926  Polygonum hydropiperoides Philip A. Munz 1935-10-21 14652 Riverside below Rincon; Santa Ana River Comment
  CHSC103792  Polypodium californicum Scott D. White 2003-3-21 8806 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 152 Comment
  UCR96808  Polypodium californicum A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19763 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  POM20514  Polypodium hesperium E. C. Jaeger 1923-6-28 s.n. Riverside Long Valley, San Jacinto Mountains 2590 Comment
  RSA526088  Polypogon interruptus Steve Boyd, Timothy S. Ross 1990-5-11 4661 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
  SEINET1004495  Polypogon monspeliensis T. B. Salvato, Kent Beaman 2005-1 846 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista just downstream from the Forest Service Boundry and N of CA Hwy 74. 549 Comment
  IRVC168  Polystichum imbricans subsp. curtum Tony Price 1965-4-24 HS 555 Riverside Highway 74; 1.5 miles W of Dripping Springs Gaurd Station. Comment
  SD46504  Populus fremontii P. C. Everett, E. K. Balls 1956-5-1 21549 Riverside Hwy 95, 25 mi. s, of San bernardino-Riverside County line, Vidal to Blythe 399 Comment
  UCR195124  Populus fremontii A. C. Sanders, Tim Thomas 2008-8-1 35965 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  UCR252612  Populus fremontii T. B. Salvato, Matthew Malle 2013-4-2 7497 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  UC1134775  Populus fremontii subsp. fremontii R. St. John 1930-2-14 95 Riverside Lewis Valley; San Jacinto Quad., Lewis Valley Comment
  POM144627  Porophyllum gracile A. M. Alexander, Louise Kellogg 1941-5-9 2141 Riverside Cottonwood Spring, Eagle Mountains 884 Comment
  RSA457782  Porophyllum gracile Steve Boyd, Richard Noyes, Sara Meury, D. Nordin, Timothy S. Ross 1988-3-10 2206 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA769631  Potamogeton E. W. Lathrop 1969-6-5 7084 Riverside 8 miles west of Murrieta, on the Main Divide Truck Trail between Tenaja Rd. and Los Alamos Canyon Comment
  UC432  Potamogeton foliosus A. J. McClatchie 1892-6-5 41 Riverside near Elsinore; Salt Lake Comment
  UCR138765  Potentilla glandulosa Scott D. White 1997-5-18 5161 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
  RSA713904  Potentilla glandulosa subsp. nevadensis E. C. Jaeger 1921-6-24 s.n. Riverside Long Valley Comment
  POM13649  Potentilla gracilis var. fastigiata Philip A. Munz 1922-7-6 5986 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA652726  Prosopis glandulosa var. torreyana Jack Stennes 1949-4-16 s.n. Riverside Desert near oasis. 0 Comment
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Apr 6 2011
  SFV7924  Prosopis glandulosa var. torreyana T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1287 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  UC861038  Prunus fasciculata C. L. Hitchcock 1940-4-2 5916 Riverside Cottonwood Spring, Joshua Tree National Monument Cottonwood Spring; Joshua Tree National Monument, Cottonwood Spring Comment
  CAS-BOT-BC356337  Psathyrotes ramosissima Alice Eastwood 1913-4-30 3118 Riverside Palm Springs Comment
  RSA0039857  Psathyrotes ramosissima Duncan S. Bell, Evan Meyer 2014-4-2 6505 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR274765  Psathyrotes ramosissima Thomas R. Stoughton, Jackie McConnaughy, Andrew Monks 2010-12-1 723 Riverside Sonoran (Colorado) Desert, Coachella Valley Preserve, c. 0.25 mile east of road. Site #3 305 Comment
  UCR92367  Psathyrotes ramosissima F. M. Reed 1927-3-18 5403 Riverside Sonoran (Colorado) Desert, Salt Creek Wash, north of Salton Sea 122 Comment
  UCR90753  Pseudognaphalium biolettii Scott D. White 1995-4-5 2737 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCR280993  Pseudognaphalium leucocephalum Mitch Provance 2017-5-25 517- 65 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  RSA770784  Pseudognaphalium luteoalbum Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4535 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CLARK-A1045-184  Psilocarphus brevissimus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  SD146004  Psilocarphus brevissimus A. C. Sanders, K. C. Rose 1998-5-21 21855 Riverside Hemet; alkaline flats west of town, east of the canal, south of Highway 74 and ca. 0.25 west of Warren Road. 456 Comment
  UCR280721  Psilocarphus brevissimus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 22 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  CAS-BOT-BC353577  Psorothamnus arborescens var. simplicifolius David Dreyer 1971-4-3 194 Riverside ca. 1 miles south of junction of Highway 62 and Indian Ave., north of Indio Comment
  POM27099  Psorothamnus emoryi Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA799244  Psorothamnus emoryi Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 735 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  UCR241508  Psorothamnus emoryi A. C. Sanders, Ann Howald 2013-2-27 40549 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  SD27953  Psorothamnus emoryi var. emoryi Carl B. Wolf 1932-4-26 2967 Riverside Colorado Desert 3 miles east of Mecca on blythe road Comment
  CAS-BOT-BC340871  Psorothamnus schottii L. R. Abrams 1926-3-26 11066 Riverside Palm Springs to Palm Canyon Comment
  UCR16202  Psorothamnus schottii S. Nelson 1974-4-13 s.n. Riverside Western Colorado Desert, Deep Canyon, near gate to Deep Canyon Reserve 152 Comment
  UCR256706  Psorothamnus schottii Duncan S. Bell 2012-3-8 3148 Riverside Mojave Desert, Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal 16 Comment
  UC154566  Psorothamnus spinosus Rensselaer J. Smith May 1904 Riverside White Water 396 Comment
  UC945498  Psorothamnus spinosus Howard Scott Gentry 1938-7-6 3789 Riverside Coachella Valley Comment
  RSA263757  Pterostegia drymarioides E. W. Lathrop 1968-6-2 6962 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  UCR123819  Pterostegia drymarioides Steven R. Hill 2001-5-3 33672 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR213601  Pterostegia drymarioides A. C. Sanders, Matthew Malle 2010-4-23 37989 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA0123998  Purshia tridentata Duncan S. Bell, Thomas Stoughton 2016-4-13 9252 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  RSA401600  Pycnanthemum californicum T. H. Holmes 1932-1 s.n. Riverside San Jacinto Mountains. Comment
  CAS-BOT-BC516759  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands: W of Beaumont, just E of jct of 60 Fwy and Jackrabbit Trail, off frontage road deadend 716 Comment
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Jan 17 2018
  HSC101774  Quercus X acutidens J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13187 Riverside Along State Route 74 1227 Comment
  CAS-BOT-BC86543  Quercus X munzii Philip A. Munz 1946-10-21 11590 Riverside Live Oak Tank, Joshua Tree National Monument 1219 Comment
  SD193293  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31543 Riverside Upper Bautista Canyon, 0.8 mile below Trip[p Flat Road. 1128 Comment
  UC847809  Quercus agrifolia I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-4-15 4735 Riverside Gavilan Peak, ravine bottom 600 Comment
  SEINET10957811  Quercus agrifolia var. agrifolia Greg Gust, Leith Nye 2005-3-11 Gust 552 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  CAS-BOT-BC126723  Quercus agrifolia var. oxyadenia A. C. Sanders; R. E. Riefner, Jr. 2005-8-12 31554 Riverside San Jacinto Mtns.: Poppet Flat below Hwy 74 along Poppet Flat Rd. 1098 Comment
  SD232695  Quercus berberidifolia A. C. Sanders 1995-11-26 17911 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Rolling hills. Small canyon crossing Spanish Spur Trail ca. 0.1 mi. N of Deer Spr. Trail, 0.2 mi N of Kearsarge Rd. NE/4 sec. 22. 1189 Comment
  UCR269230  Quercus berberidifolia A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 41999 Riverside Peninsular Range, c. 10 km ESE of Temecula, 150 m west of Los Caballos Rd. at a point 0.3 km south of Hwy 79 399 Comment
  RSA597520  Quercus chrysolepis Louis C. Wheeler 1945-10-6 6128 Riverside San Jacinto Mountains. North fork San Jacinto River. 1890 Comment
  CAS-BOT-BC86597  Quercus cornelius-mulleri R. S. Woglum 1937-4-1 297 Riverside Palm Springs Comment
  CHSC21929  Quercus cornelius-mulleri L. A. Bellue; R. A. Schlising 1970-11-7 2955 Riverside Near Kenworhty Forest Station on Morris Ranch Road, 3.3 miles north of Highway 74. Comment
  UCR186853  Quercus cornelius-mulleri Naomi Fraga, T. Thibault 2006-5-16 1670 Riverside San Jacinto Mountains, Peninsular Ranges; c. 2.5 mi. up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat 1585 Comment
  CAS-BOT-BC94187  Quercus engelmannii A. C. Sanders; Kent Beaman 2002-5-10 25047 Riverside Santa Ana Mtns. Santa Rosa Plateau: hills W of the head of De Luz Creek, 0.4 mi S of Tenaja Rd. on W side of Calle Roble 671 Comment
  SD122862  Quercus engelmannii Steve Boyd 1985-7-30 1047 Riverside 7.8 miles west of Rancho California, De Luz road Comment
  CAS-BOT-BC134753  Quercus wislizeni W. R. Dudley; F. H. Lamb 1896-6-14 4486 Riverside Cuddy Canyon Comment
  UC1212091  Quercus wislizeni Peter M. Ray 1948-11-27 1311 Riverside Hall Canyon San Jacinto Mts. Comment
  UCR123366  Quercus wislizeni Steve Boyd, D. E. Bramlet 1988-10-8 2868 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  UCR277496  Quercus wislizeni Mitch Provance 2010-7-6 610- 01 Riverside Bridges Creek, eastern end of San Timoteo Canyon, at northwest edge of City of Beaumont, west side of the I-10, about 0.3 miles south-southeast of Oak Valley Parkway. 752 Comment
  RSA215586  Quercus wislizeni L. B. Ziegler 1969-10-24 s.n. Riverside Kenworthy Ranger Station. Hemet Valley, San Jacinto Mts. 1418 Comment
  RSA678380  Rafinesquia neomexicana Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10490 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
  UC9363  Ranunculus alismifolius var. alismellus H. M. Hall July, 1901 2405 Riverside Tamarack Valley San Jacinto Mountains 2804 Comment
  RSA249860  Ranunculus aquatilis var. capillaceus Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38143 Riverside San Jacinto Mountains: San Bernardino National Forest. Hill north of James Reserve and Lake Fulmor 1677 Comment
  PASA2635  Ranunculus cymbalaria Margaret Stason 1931-5-24 Riverside Idyllwild Comment
  UCR109636  Ranunculus cymbalaria var. saximontanus T. W. Fisher 1964-7-22 s.n. Riverside San Jacinto Mtns., Lake Hemet in main feeder stream 1311 Comment
  UCR23232  Raphanus sativus Melody Lardner 1981-5-19 184 Riverside Santa Ana Mtns, Main Street Canyon, 3.5 mi. south of Hwy 91 at the end of Main Street. 427 Comment
  UCR92713  Raphanus sativus A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18063 Riverside Perris-Aguanga Basin region, Moreno Valley, north of the San Jacinto Wildlife Area, W side of Davis Road at intersection with Allesandro Blvd. 488 Comment
  RSA3124  Rhamnus crocea Carl B. Wolf 1932-2-11 2653 Riverside Coldwater Creek, Glen Ivy Hot Springs base of Santa Ana Mts. 335 Comment
  RSA526085  Rhamnus ilicifolia Steve Boyd, Tim S. Ross 1990-5-11 4658 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
  UCR49776  Rhamnus ilicifolia B. G. Pitzer, A. C. Sanders 1987-4-21 494 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  UCR89658  Rhus aromatica Bern Schwenn 1994-5-14 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well, along old road/trail c. 100 yards north of well site 1021 Comment
  SBBG51899  Rhus ovata M. Hilend 1928-4-8 167 Riverside ca. 3 mi W of Lake Elsinore Comment
  SD146054  Rhus ovata Mitch Provance 1998-6-6 688 B Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on west side of Sierra Blvd., just east of corner of 29th St. and Scenic Drive. 305 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
  UCR178836  Rhus ovata Tracy Tennant 1998-8-28 MOR- 710 Riverside San Jacinto Mtns., along Hwy 243 opposite (west of) McMullen Flat, tree stand A01 1220 Comment
  SEINET272327  Rhus trilobata A. C. Sanders, G Helmkamp 1997-3-15 19957 Riverside Lake Skinner Area; NE of Skinner Lake in a tributary to Rawson Canyon along the dirt road. UTM 10km cell: MH-9E 1N. Sk 503 Comment
  UC1127366  Ribes amarum A. Lewis Mar 1934 352 Riverside Sugarloaf Peak Cleveland National Forest, Corona Quadrangle Comment
  CAS-BOT-BC108718  Ribes cereum Louis C. Wheeler 1931-10-3 237 Riverside 1.5 mile north Tahquitz Peak, San Jacinto Mountains. 2514 Comment
  RSA797261  Ribes cereum Robert F. Thorne, Walter Wisura 1977-9-17 50799 Riverside San Jacinto Mountain: summit. 3293 Comment
  SD73602  Ribes indecorum Helen V. Witham 1970-4-29 819 Riverside Palms to Pines Highway 2.0 miles east of Lake Hemet. 1299 Comment
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Jan 25 2010
  UC69253  Ribes malvaceum var. viridifolium H. M. Hall 1896-12-13 346 Riverside vicinity Winchester (Juniper Flat) 670 Comment
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Mar 20 2011
  UC279700  Ribes quercetorum Edmund C. Jaeger 1926-1-2 Riverside foothills near Aguanga Comment
  RSA221070  Ribes speciosum E. W. Lathrop 1966-3-23 6087 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  UCR37459  Romneya coulteri Steve Boyd 1981-4-29 s.n. Riverside Arroyo del Toro Comment
  RSA741187  Rosa californica Scott D. White, Justin M. Wood 2008-6-16 12121 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  RSA768248  Rosa californica Justin M. Wood 2010-5-19 1848 Riverside Santa Ana River: 0.4 miles downstream of Prado outlet channel. 137 Comment
  RSA192111  Rubus ursinus E. W. Lathrop 1960-6-9 4986 Riverside 14 miles west of Murrieta. Comment
  UCR268070  Rumex D. E. Bramlet 2005-4-22 3824 Riverside Perris-Aguanga Basin Region, 1.8 km SE of Winchester, south of Patton Ave. and Patterson Ave. intersection, east of Hwy 79 449 Comment
  UCR269891  Rumex A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-8 41580 Riverside Peninsular Range; Elsinore Trough, City of Lake Elsinore, Pasadena St. near intersection with dirt extension of Hunco Way 387 Comment
  UCR45196  Rumex obtusifolius A. C. Sanders 1986-5-10 6498 Riverside Western Colorado Desert, Coachella Valley, mouth of the Whitewater River, along the levee where the river crosses Lincoln St., 3 mi south of Mecca -70 Comment
  UCR194222  Rumex salicifolius Scott D. White, Angelia Carey 2004-6-4 10480 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  POM19661  Rumex salicifolius var. salicifolius Mary F. Spencer 1923-1 2237 Riverside Idyllwild, San Jacinto mts. 1646 Comment
  LA207772  Rumex violascens J. Warren; 1952-4-6 sn Riverside Snow Creek 609 Comment
  SD44971  Ruppia cirrhosa Darley F. Howe 1952-8-10 Riverside Lake Elsinore Comment
  RSA711992  Sagittaria latifolia S. J. Myers 1996-5-17 s.n. Riverside River Road bridge over the Santa Ana River 152 Comment
  CAS-BOT-BC103895  Salix exigua H. M. Hall 1901-6-1 2105 Riverside Eastern base, along the borders of the Colorado Desert Comment
  JEPS14746  Salix exigua Marjorie Clary 1934-3-3 Riverside 10 mi w Indio (Carrizo Canyon); Carrizo Canyon 304 Comment
  POM360974  Salix exigua Marcus E. Jones 1930-3-15 26531 Riverside Eagle Mountains. Comment
  RSA586038  Salix exigua D. L. Banks, Steve D. Boyd 1995-3-16 91 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 512 Comment
  RSA774509  Salix exigua Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4460 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SBBG33641  Salix exigua T. L. Secrest 1951-5-20 Riverside ca. 6 mi S of Banning 1219 Comment
  SBBG58880  Salix exigua F. R. Fosberg 1932-3-3 8082 Riverside Coachella Valley Comment
  UCR43475  Salix exigua R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54100 Riverside San Bernardino Mtns., Branch ravine running W from Whitewater Canyon, west of road and c. 3.2 miles north of hwy 10 and Whitewater P.O. 610 Comment
  SD11898  Salix exigua var. exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km north of Arlington on road to Pedley, west of Riverside 239 Comment
  CAS-BOT-BC108119  Salix gooddingii Munz; Street; Williams 1919-3-26 2342 Riverside Fig Tree John's Spring, Salton Sea - Colorado Desert -45 Comment
  RSA0010970  Salix hindsiana Patricia Wilder 1971-9-29 5275 Riverside San Jacinto River drainage area. Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  HSC82997  Salix laevigata N. M. Fellows 1985-3-3 78 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns., l mi. W of Snow Creek Village 489 Comment
  SD229281  Salix lasiolepis Dick Schwenkmeyer 2012-8-28 825 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  RSA0010975  Salix lasiolepis J. D. Olmsted 1959-7-16 764 Riverside At edge of dropoff in Tahquitz Canyon below Carumba east-northeast of Idyllwild 1707 Comment
  CAS-BOT-BC128449  Salix lasiolepis var. lasiolepis W. H. Brewer 1861-1-1 154 Riverside In canyon near hannigan's Temiscal Range Comment
  POM319717  Salsola tragus Patricia Wilder 1971-9-29 5259 Riverside Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  RSA0094957  Saltugilia australis Ira W. Clokey, Edward Anderson 1935-4-16 6830 Riverside East of Hemet. 600 Comment
  RSA469678  Saltugilia splendens E. C. Jaeger 1921-6-18 5457 Riverside San Jacinto Mountains: Caramba, Tahquitz Creek. 1829 Comment
  UC714913  Saltugilia splendens subsp. splendens R. C. Foster 1937-3-7 63 Riverside near aqueduct (w slope Whitewater Canyon); w slope Whitewater Canyon Comment
  RSA509535  Salvia apiana Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 366 Comment
  POM3983  Salvia carduacea P. A. Munz 1918-4-27 2125 Riverside Mouth of Temescal Canyon, southeast of Corona. Comment
  JOTR31858  Salvia columbariae La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2115 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  UC1584115  Salvia columbariae Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3856 Riverside ridge at n side mouth of Temecula Creek Canyon (and adjacent benches on s flank of Big Oak Mtn); Vail Lake Area, Temecula Creek Canyon, Big Oak Mtn. 396 Comment
  UCR27197  Salvia columbariae Marlyce Myers 1980-4-28 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi. NW of Perris 518 Comment
  UCR16803  Salvia dorrii subsp. dorrii Leland E. Francois 1966-4-23 42366- 4 Riverside Mojave Desert, Joshua Tree National Monument [now J.T. National Park], south edge of Ryan Mountain Campground 1300 Comment
  RSA0043027  Salvia greatae Duncan S. Bell, Loraine Washburn 2014-4-8 6577 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1.25 air miles north northeast of Clemens Well/Bradshaw Trail. 356 Comment
  SEINET10499109  Salvia mellifera James S. Miller 1992-5-8 Miller 7454 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  UCR90981  Salvia mellifera Scott D. White 1996-3-16 3823 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  CAS-BOT-BC224865  Salvia pachyphylla H. M. Hall 1901-6-1 2160 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert 1402 Comment
  CAS-BOT-BC233350  Salvia vaseyi H. M. Hall 1901-5-1 1878 Riverside Eastern base, along the borders of the Colorado Desert, San Jacinto Mountains Comment
  RSA733968  Salvia vaseyi Keith E. Hoffmaster 1937-6-6 813 Riverside Desert grade of Palms to Pines Highway. Comment
  UCR169318A  Sambucus mexicana T. B. Salvato, John F. Green 2004-5-27 618 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR174520  Sambucus mexicana A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32495 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
  SDSU13636  Samolus parviflorus W. Miller, C. Mosse 1972-7-20 Riverside Growing out of crack in rock near pools in bedrock in the northwest section. Comment
  SDSU17499  Sanicula arguta Jerry Jenkins 2001-4-1 2001 -022 Riverside Santa Margarita Ecological Reserve. High saddle on road to Tourmaline mine, UTM zone 6, 482500E, 3699900N. UTM transfered to GIS. Comment
  RSA701119  Sanicula bipinnatifida Michael Wall 1996-7-1 170 Riverside Cherry Valley, along Beaumont/Oak Glen Rd along Little San Gorgonio Creek, 2.6 mi N of Cherry Vly Blvd, W side of road. Comment
  RSA543951  Sanicula crassicaulis Steve Boyd, Orlando Mistretta 1991-5-9 6183 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  UCR59763  Sanicula crassicaulis Steve Boyd, T. Ross, et al 1989-3-31 3074 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  UC1595752  Sarcostemma cynanchoides subsp. hartwegii W. Wisura, J. Dolan, and M. Wall 1992-3-24 4633 Riverside 13.1 mi. n.e. of Mecca (on Box Canyon Rd.) Comment
  UCR60265  Sarcostemma cynanchoides subsp. hartwegii Steve Boyd, T. Ross, L. Arnseth 1989-6-10 3666 Riverside Vail Lake area, Temecula Creek Canyon below the dam 459 Comment
  UCR926  Satureja chandleri Geraldine Wedell 1959-4-17 s.n. Riverside 0.6 mi. north of sign #B4.86 on Hwy 79, between Hemet and Sage [Bad locality?] Comment
  UCR169871  Saxifraga californica Dave Goodward 2004-1 s.n. Riverside San Jacinto Mtns., mouth of narrow side canyon off South Fork San Jacinto River 1159 Comment
  RSA0094894  Schinus terebinthifolius A. C. Sanders, Jeff Crain 2015-5-20 41740 Riverside Temesal Canyon, Temescal Creek at I-15 bridge, 2.2 km west of Lake St. at Alberhill. 363 Comment
  RSA727088  Schismus barbatus Naomi Fraga, Lisa Rojas 2005-2-10 1365 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SBBG119447  Schoenoplectus acutus var. occidentalis A. C. Sanders 2004-5-12 27865 Riverside Walker Cyn at N foot of Alberhill Mtn, Temescal Crk 378 Comment
  RSA737275  Schoenoplectus americanus Justin M. Wood 2008-9-22 152 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CAS-BOT-BC238464  Scrophularia L. R. Abrams 1941-4-21 13874 Riverside Mt. Rubidoux, Riverside Comment
  RSA736791  Scrophularia californica Scott D. White, Angelia Carey 2004-7-2 10556 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR111578  Scrophularia californica subsp. floribunda Mitch Provance 1999-4-3 1752 Riverside City of Riverside, SW side of 'Royal Hill', 0.25 miles east of the corner of Victoria Ave. and Arlington Ave. 351 Comment
  UC1713652  Scutellaria siphocampyloides Elizabeth McClintock 1940-7-21 Riverside near Santa Rosa Springs; Santa Rosa Mountains Comment
  UCR97438  Searsia lancea A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19686 Riverside Colorado Desert/San Jacinto Mtns:, Palm Springs area, Murray Canyon off Palm Canyon 244 Comment
  CAS-BOT-BC69803  Selaginella bigelovii L. R. Abrams 1926-3-26 11082 Riverside Palm Springs. Comment
  RSA496465  Senecio aphanactis Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-31 3081 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  SEINET7063051  Senecio californicus A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Temecula and at the junction with Route 395 (115). UTM Zone 11, 485910mE, 3706825mN. (WGS84/NAD83). 308 Comment
  UCR48373  Senecio californicus Steve Boyd 1986-5-1 1822 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  SD181683  Senecio californicus var. californicus Scott D. White, Tasha La Doux 2000-4-20 7709 Riverside Gibbel Flat In the Santa Rosa Hills. 609 Comment
  SD8780  Senecio californicus var. californicus unknown 1882-4-23 Riverside Temecula Comment
  LA212194  Senecio flaccidus var. monoensis James R. Shevock; 1972-10-14 2317 Riverside Coyote Canyon, Upper. 609 Comment
  UC219243  Senecio mohavensis Edmund C. Jaeger 1922-3-4 1106 Riverside Painted Canyon near Mecca; Painted Canyon Comment
  RSA552718  Senecio vulgaris Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6687 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR148743  Senna armata Steve Boyd, Tammy Morgan, Aydee Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11267 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  POM11977  Senna covesii E. C. Jaeger 1921-03 s.n. Riverside Martinez Canyon., [I think Martinez Cyn. should be either in the San Jacinto Mtns. region or in the western Colo Des region -- the Martinez Cyn I know of is in the Santa Rosa Mtns. -SDW 2004] Comment
  UCR280990  Sesuvium verrucosum Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-5-25 517- 55 Riverside Elsinore Trough, Undeveloped area just NNE of Peter Lehr Drive at Diamond Circle, above the E side of the the San Jacinto River 387 Comment
  POM313134  Setaria adhaerens Malcolm A. Nobs, S. Galen Smith 1948-9-3 492 Riverside Citrus grove, 2 miles N of Indio. Comment
  UCR3972  Sidalcea malviflora Art Whistler 1968-4-7 s.n. Riverside Peninsular Range, E side of Hwy 395 at 'Bibleland' entrance, just north of San Diego County line 244 Comment
  POM13266B  Sidalcea malviflora subsp. sparsifolia P. A. Munz, I. M. Johnston 1922-5-19 5441 Riverside Hemet Valley, San Jacinto Mountains, 1 mile from Garner Ranch. 1372 Comment
  POM157934  Sidalcea malviflora subsp. sparsifolia P. A. Munz 1927-5-21 10836 Riverside Coahuila [Cahuilla] Valley. 1220 Comment
  UCR113045  Silene gallica Mitch Provance 1998-3-5 137 Riverside City of Riverside, Between the Harvest Church parking lot and Riverside Airport, c. 500 yards north of the corner of Adams St. and Arlington Ave. 241 Comment
  RSA5900  Silene parishii var. viscida C. B. Wolf 1932-8-5 3973 Riverside Slopes of San Jacinto Peak, 1/2 / 2/3 mi. below simmit of trail to Idyllwild. 3049 Comment
  POM17825  Silene verecunda subsp. platyota D. D. Keck 1923-6-14 7074 Riverside Glen Ivy trail to Santiago Peak 1524 Comment
  JEPS40186  Simmondsia chinensis W. L. Jepson 1928-4-25 12577 Riverside Cottonwood Spr. Cottonwood Mts.; , Cottonwood Spr. 731 Comment
  POM96164  Sisymbrium altissimum Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
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Sep 3 2011
  UCR201656  Sisymbrium altissimum Scott D. White, Justin M. Wood 2008-5-15 12002 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  OBI45207  Sisymbrium erysimoides A. C. Sanders 1987-4-7 7045 Riverside Riverside, vacant lot on the N side of Spruce St between Rustin and Canyon Crest sts. Was an orchard with a house in it until aobut 1.5 yrs ago 305 Comment
  UCR250324  Sisymbrium erysimoides A. C. Sanders 2014-4-16 41015 Riverside Peninsular Range, Temescal Valley, Campbell Ranch Rd. between Indian Truck Trail and Temescal Canyon Rd., south of Sycamore Creek Fire Station 372 Comment
  CAS-BOT-BC75245  Sisymbrium irio Ynez Whilton Winblad 1937-3-23 s.n. Riverside Chocolate Mountains. Comment
  CDA3859  Sisymbrium irio W. H. Grady, L. Davis 1975-3-6 Riverside W. A. Elders property, 2173 Mt. Vernon, Riverside. 0 Comment