Search Results — 2000 specimen records retrieved (1898 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD132534  Abies concolor F. C. Vasek 1977-11-25 771125 1 Riverside San Jacinto Mountains, area below Boulder Basin Campground, just below Black Mountain Lookout Comment
  RSA0009280  Abronia pogonantha Duncan S. Bell 2012-9-13 4178 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
  CAS-BOT-BC229316  Abronia villosa Ynez Whilton Winblad 1937-2-15 s.n. Riverside Near Palm Springs Comment
  UC851656  Abronia villosa Ira L. Wiggins 1937-3-9 8769 Riverside n Indio Comment
  UCR178579  Abronia villosa var. villosa R. G. Swinney 1967-2-11 0003 Riverside San Jacinto Mtns./ Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR149393  Acacia baileyana Scott D. White 2003-12-1 9894 Riverside Santa Ana River Valley; city of Riverside; La Sierra area 244 Comment
  RSA799920  Acacia dealbata Justin M. Wood, D. M. Ray 2011-4-28 3841 Riverside Sonoran Desert: Chuckwalla Valley: Kaisers Eagle Mountain Mine, northwest end of the Chuckwalla Valley. Near old mining community. 340 Comment
  RSA416167  Acamptopappus sphaerocephalus var. sphaerocephalus Robert Gustafson 1980-5-5 1575 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  RSA752817  Achillea millefolium A. C. Sanders, Tim Thomas 2008-8-1 35955 Riverside lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  UC891013  Achillea millefolium P. A. Munz 1922-6-24 5794 Riverside on wet banks of Pepe Creek Hemet Valley; San Jacinto Mts 1463 Comment
Read comments
Mar 25 2011
  RSA500543  Achnatherum coronatum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3615 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  SBBG34672  Achnatherum hymenoides T. L. Secrest 1950-3-13 Riverside near Salton Sea Comment
  SEINET10376003 Image available Achnatherum parishii Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17356 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  RSA182335  Achnatherum speciosum J. D. Olmsted 1962-5-1 3433 Riverside W slope below Falls Plateau, Snow Canyon N of Mt. San Jacinto. 793 Comment
Read comments
Nov 24 2011
  RSA85573  Achnatherum speciosum J. C. Roos 1952-4-9 5495 Riverside SW face Mountain Rubidoux. 366 Comment
  UCR48502  Achyrachaena mollis Steve Boyd 1986-4-19 1708 Riverside Temescal Canyon, Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  POM13031  Achyronychia cooperi P. A. Munz 1922-4-14 4966 Riverside Indian Wells 91 Comment
  UCR166539  Achyronychia cooperi Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10877 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  RSA801954  Acmispon grandiflorus var. grandiflorus LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6156 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  UCD104284  Acmispon rigidus Nancy Ryan Zabriskie 1973-2-23 565 Riverside Boyd's Rd. Lookout, Deep Canyon, N Slope Santa Rosa Mts. 853 Comment
  RSA131709  Acourtia microcephala E. K. Balls 1958-6-27 23297 Riverside Indian Truck Trail, by locked gate, 6.9 mi. nw. from jct. with Main Divide, Santa Ana Mts. 457 Comment
  UCR202421  Acourtia microcephala Mike Misenhelter 1998-6-23 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  UCD128573  Acroptilon repens J. C. Roos 1951-10-24 5335 Riverside Between Arlington and Pedley. 228 Comment
  JOTR31884  Adenophyllum porophylloides La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2136 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Rockhouse Canyon; steep-walled canyon and sandy wash along an old road Comment
  CLARK-A1528-4007  Adenostoma sparsifolium John C. Roos 1937-8-17 2405 Riverside San Jacinto Mountains 1066 Comment
  SEINET10720797  Agave deserti Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-19 Meyer 21 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  SEINET3412082 Image available 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
  RSA192013  Agoseris heterophylla var. heterophylla E. W. Lathrop 1966-5-8 6267 Riverside 5 miles west of Murrieta. Comment
  POM11433  Agoseris retrorsa P. A. Munz 1922-7-3 5965 Riverside Santa Rosa Mts. Santa Rosa. 1920 Comment
  RSA249840  Agoseris retrorsa R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38105 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA750749  Agoseris retrorsa Scott D. White, Justin M. Wood 2009-5-22 12892 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  CAS-BOT-BC139141  Agrostis oregonensis Ralph Hoffmann 1929-9-5 s.n. Riverside Mount San Jacinto. Tahquitz Valley. 2438 Comment
  UCR93233  Ailanthus altissima A. C. Sanders 1994-7-27 15157 Riverside Santa Ana River, Colton and Riverside: from the Riverside Avenue (North Main Street) Bridge downstream to just above the Market Street crossing. 246 Comment
  RSA552767  Alchemilla occidentalis Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6762 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 671 Comment
  CSUSB417  Allium fimbriatum Joe Barrington 1968-5-11 680511 3 Riverside 1/4 mile off Highway 74, across from Alpine Village (town) 1280 Comment
  JOTR16734  Allium fimbriatum var. fimbriatum Wanrow, E. 1968-5-4 s.n. Riverside Joshua Tree National Park. RYAN MOUNTAIN PARKING LOT 1341 Comment
  RSA802137  Allium haematochiton Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5012 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  UC1286988  Allium marvinii C. L. Hitchcock 1966-3-15 24154 Riverside 1 mi e Glen Ivy Hot Springs Comment
  RSA582820  Allium munzii Mark A. Elvin 1995-6-9 48 Riverside Santa Ana Mountains: Elsinore Peak, Onion Hill; 10% W, N, E slope (around the base of hill) Comment
  RSA770514  Allium munzii S. Mashayekhi, D. McLain 2010-4-21 SM 046 Riverside Alberhill, 0.3 miles north of Nicol St. Private land of Riverside Wildlife Conservation area. Comment
  CAS-BOT-BC132020  Allium parishii Peter H. Raven 1958-5-5 12894 Riverside Split Rock, Joshua Tree National Monument Comment
  UCR101432  Allium peninsulare A. C. Sanders 1997-4-10 20334 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCD118012  Allophyllum divaricatum A. C. Sanders; P. MacKay, T. Thomas, O. Clarke 1997-5-4 20633 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 miles below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  RSA655214  Allophyllum glutinosum Scott D. White 1999-7-9 7530 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road S24.2. 1432 Comment
  RSA596152  Alnus rhombifolia D. L. Banks 1996-11-7 1189 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, approximately 200 m NW of the spring on the northern fork of Pechanga Creek., At the E end of the Reservation. 457 Comment
  RSA762007  Alnus rhombifolia Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 659 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SDSU13508  Alnus rhombifolia W. Miller with C. Mosse 1972-7-19 Riverside 200 yards upstream of river, south side (from beaver dam). Comment
  JEPS123742  Aloysia wrightii J. Andre, T. La Doux 2008-9-16 10685 Riverside Joshua Tree National Park: JTNP: along Bell Mountain Road, atop Bell Mountain approx. 0.3 mi N of radio tower. Queen Mountain 7.5' USGS Quad. Comment
  UCR159257  Amaranthus albus A. C. Sanders, Kelly Volansky 2005-8-31 31590 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
  UCR20719  Amaranthus albus A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 01314 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  RSA402973  Amaranthus blitoides L. S. Rose 1967-12-20 67185 Riverside 6 mi. SE, of Thousand Palms. 15 Comment
  UCR119444  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23101 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCR17540  Amaranthus californicus O. F. Clarke 1978-9-23 s.n. Riverside San Jacinto Mtns, Valley Hi County Park 1183 Comment
  UCR282158  Amaranthus cruentus R. E. Riefner Jr. 2017-5-18 17- 259 Riverside Perris-Aguanga Basin, city of Hemet, east of Winchester, north of Simpson Road, east of San Diego Aqueduct, west of active agricultural fields 467 Comment
  JOTR32421  Amaranthus fimbriatus Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 10 Riverside Joshua Tree National Park. Queen Mountains; Intersection of Park Blvd. and Pinto Basin road; Small rocky hills and surrounding drainages 1112 Comment
  RSA596533  Amaranthus hybridus D. L. Banks 1996-7-16 1126 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road). 426 Comment
  RSA451024  Amaranthus palmeri Stephen M. Beckstrom-Sternberg 1985-9-10 1014 Riverside U.C.R. garden plots. Comment
  CAS-BOT-BC13615  Ambrosia acanthicarpa Lewis S. Rose 1935-12-21 35679 Riverside Cabazon 609 Comment
  JOTR36384  Ambrosia acanthicarpa La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3338 Riverside Joshua Tree National Park. Queen Valley along Park Blvd, approx 400 m W of GeoTour Rd 1341 Comment
  SEINET2073811  Ambrosia acanthicarpa S. Rhodes 2000-9-14 148 Riverside Desert Center, Dillon Road exit off I-10, sandy, disturbed area in Larrea tridentata desert. 274 Comment
  UCR178040  Ambrosia acanthicarpa Scott D. White 2003-9-9 9826 Riverside San Jacinto Mtns, Pine Cove area, Dutch Flat 1753 Comment
  UCR275353  Ambrosia acanthicarpa T. B. Salvato, Melissa Clemons 2005-6-9 1496 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  OBI17103  Ambrosia dumosa Robert F. Hoover 1969-4-11 11219 Riverside Mouth of Morongo Valley cyn Comment
  UC596615  Ambrosia dumosa Rensselaer J. Smith 1900-1 317 Riverside Conchilla Desert Comment
  UCSB7135  Ambrosia dumosa Hurd, Richard 1956-4-14 Riverside On road to Devils Garden, 3 mi. from Highway 99 Comment
  UCR194219  Ambrosia psilostachya Scott D. White, Angelia Carey 2004-6-4 10478 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  CAS-BOT-BC273000  Ambrosia salsola Cecil Hart 1927-3-30 s.n. Riverside Moronga Valley near Whitewater Comment
  OBI26016  Ambrosia salsola David J. Keil 1977-1-2 11932 Riverside Chiriaco Summit along I-10 between Indio and Blythe Comment
  UCR243154  Ambrosia salsola LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4285 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
  UCR263511  Ambrosia salsola Aaron C. Sedgwick, Brett Griffin 2012-3-28 024 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  JEPS20779  Ambrosia salsola var. salsola Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13235 Riverside 11.3 mi n Blythe (U.S. 95 in wash arising in Big Maria Mts.); Big Maria Mts. Comment
  SBBG25159  Ambrosia salsola var. salsola Leota Davidson 1965-5-14 113 Riverside Pinto Wash, Joshua Tree Nat Monument Comment
  UCR65292  Amelanchier utahensis Steve Boyd, K. A. Boyd, C. Boyd 1989-5-13 3592 Riverside Foothills of San Jacinto Mtns., upper Bautista Cyn, just below turnoff to Tripp Flat Ranger Station 1189 Comment
  UC718408  Amorpha californica var. californica Carl B. Wolf 1933-8-24 5380 Riverside 1/2 mi below summit of Bedford Motorway; E. Slope Santa Ana Mts. 975 Comment
  UCR133457  Amorpha californica var. californica Tracy Tennant, J. S. Ross 1998-7-30 MOR- 677 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Hathaway Canyon, slope above and west of polygon H3. 976 Comment
  POM15156  Amorpha fruticosa Mary F. Spencer 1922-4-16 1442 Riverside Eagle Canyon 122 Comment
Read comments
Aug 8 2010
  POM28421  Amorpha fruticosa E. E. Schellenger 1901-07 7565 Riverside Toro Mtn. Comment
  UCR79992  Amorpha fruticosa Scott D. White 1992-9-2 765 Riverside San Jacinto Valley, Vicinity of Gilman Hot Spirngs, north side of San Jacinto River, and a thin strip tending north of the river & west of the Hot Springs. 451 Comment
  RSA613652  Amsinckia intermedia D. L. Banks, Victor Steinmann 1997-3-13 1467 B 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
  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
  RSA0089609  Amsinckia intermedia Steve Boyd 1986-3-9 1391 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  RSA0089938  Amsinckia menziesii D. E. Harvey 1969-4-20 690420 -2 Riverside Juniper Flats at Stubbe Springs parking area. Joshua Tree National Monument. Comment
  JOTR30324  Amsinckia menziesii var. menziesii La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1768 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash. Open sandy wash near road heading to Cottonwood. 745 Comment
  CSUSB995  Amsinckia tessellata Pam Maynard 1974-4-25 S. N. Riverside Box Springs mountians-- crevass at East end of Big Springs road 670 Comment
  POM48542  Amsinckia tessellata F. M. Reed 1925-3-17 4947 Riverside Palm Springs. Comment
  UC667283  Amsonia tomentosa Annie M. Alexander and Louise Kellogg 1941-5-23 2224 Riverside 1/2 mi. n. Cottonwood Spring (Eagle Mt.); Colorado Desert, Eagle Mt. 914 Comment
  UCR90338  Anagallis arvensis Scott D. White 1995-6-29 3411 Riverside Santa Ana Mtns,, Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence 366 Comment
  UCR156479  Ancistrocarphus filagineus Jason L. Hlebakos 2005-5-3 621 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  RSA0016114  Androstephium breviflorum Jim Andre, G. L. Clifton, Ron Kelley 2013-3-21 24397 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 south of Grommet RR xing at Highway 62. 363 Comment
  SDSU13503  Anemopsis californica W. Miller with C. Mosse 1972-7-20 Riverside West of R.C. Weather Station. Comment
  UCR90344  Anemopsis californica Scott D. White 1995-6-29 3413 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  POM12654  Antennaria rosea Philip A. Munz 1922-9-7 6403 Riverside Tamarack Valley, San Jacinto Mts. 2805 Comment
  RSA708156  Anthriscus caucalis Scott D. White, Angelia Carey 2004-4-16 10189 Riverside Indian Creek and adjacent slopes. 549 Comment
  CLARK-A1045-341  Antirrhinum coulterianum George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Hemet 15'Q Comment
Read comments
Jun 22 2013
  RSA508012  Antirrhinum coulterianum Steve D. Boyd 1988-5-28 2296 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UC444962  Antirrhinum coulterianum Katharine Brandegee 1896-4-10 Riverside Agua Caliente Comment
  UCR178334  Antirrhinum coulterianum Jeffrey Ross, Tracy Tennant 1998-8-20 MOR- 701 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Hathaway Canyon, tree stand H-03 976 Comment
  UCR86988  Antirrhinum coulterianum Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  UCR90347  Antirrhinum coulterianum Scott D. White 1995-6-30 3435 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UC1191180  Antirrhinum filipes Herbert L. Mason 1952-4-7 14206 Riverside near Palm Springs; Palm Canyon Comment
  RSA221092  Antirrhinum kelloggii E. W. Lathrop 1966-3-23 6080 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  SEINET7048204  Antirrhinum kelloggii Steven R. Hill, Andrew C. Sanders 2001-5-4 33716 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  UC26372  Antirrhinum nuttallianum subsp. nuttallianum Geo. R. Hall 1901-3-30 1709 Riverside near Riverside Comment
  JEPS100902  Apiastrum angustifolium Dean W. Taylor 1998-5-13 16433 Riverside Aguanga Valley, mouth of Temecula Creek, on hillslopes just south of Highway 79 609 Comment
  RSA699817  Apiastrum angustifolium Scott D. White, Michael Honer 2003-4-4 8946 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UC310839  Apiastrum angustifolium Philip A. Munz 1925-5-20 9819 Riverside 2 mi w of Dripping Spring; Southern California 426 Comment
  HSC80297  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside 7 mi W of Rancho California 366 Comment
  RSA66701  Arabis perennans F. W. Peirson 1919-4-13 660 Riverside Along the Tahquitz creek, East of Palm Springs, Riverside. Comment
  POM12140  Arceuthobium campylopodum Mary F. Spencer 1921-7-6 1078 Riverside Idyllwild. 1616 Comment
  UC1078932  Arceuthobium campylopodum Job Kuijt 1958-3-14 1497 Riverside 0.6 mi se Keen Camp Summit (Hwy 74); San Bernardino Mtns Comment
  RSA629452  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16811 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  RSA629460  Arctostaphylos glandulosa Jon E. Keeley 1978-9-16 7261 Riverside On Twin Pines Ranch Road off Highway 243. Comment
  UC21900  Arctostaphylos glandulosa subsp. zacaensis H. M. Hall 1901-6-11 2054 Riverside vicinity of Chalk Hill San Jacinto Mountains 1584 Comment
  RSA631726  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16501 Riverside Hills around Indian Oaks Ranch, east of Lake Skinner. 500 Comment
  RSA631741  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19267 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631771  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15078 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631772  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16555 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA631783  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19279 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631788  Arctostaphylos glauca Jon E. Keeley 1992-7-17 16734 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  SEINET3094032 Image available Arctostaphylos glauca P. J. Leary 1976-2-12 1440 Riverside at Barker Dam, Joshua Tree National Monument 1280 Comment
  RSA633686  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16669 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633701  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16671 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633734  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16620 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633755  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16708 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633763  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21800 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633768  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16617 Riverside Road to Santa Rosa Mountain, (7S02), 1.8 km south of Highway 74. 1560 Comment
  UCR188223  Arctostaphylos patula Naomi Fraga, V. Arvizu, Elizabeth Kempton, T. Thibault 2006-6-7 1696 Riverside San Jacinto Mountains, east of Fobes Ranch Road, about 1.5 mi south of Fobes Ranch 1616 Comment
  SEINET3101904  Arctostaphylos pringlei Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17374 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  LA42427  Arctostaphylos pringlei subsp. drupacea O. A. Plunkett; 1926-5-16 sn Riverside San Jacinto Mountains 1371 Comment
  POM367421  Arctostaphylos pringlei subsp. drupacea R. S. Woglum 1937-5-22 545 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  RSA59196  Arctostaphylos pringlei subsp. drupacea Frank W. Gould 1943-4-18 2135 Riverside 8 miles east [NW] of Idyllwild Comment
Read comments
Sep 29 2011
  RSA635638  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16749 Riverside Rd. to Thomas Mtn. (5S15), 4.5 km south of Toolbox Springs, west of Garner Valley, San Jacinto Mountains. 1660 Comment
  RSA761984  Arctostaphylos pringlei subsp. drupacea Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 666 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC535009  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside one and one-half mi from Idyllwild (on road to Banning); San Jacinto Mts., Strawberry Valley 1706 Comment
  SEINET7266493  Arctostaphylos pringlei subsp. drupacea I. W. Clokey, E. G. Anderson 1935-8-21 6784 Riverside Fuller's Creek 1500 Comment
  CAS-BOT-BC46340  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside Hemet Valley, San Jacinto Mts. 1676 Comment
  RSA635787  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16866 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA635802  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16521 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  UCR3219  Arctostaphylos pungens V. L. McFarland 1964-5-3 s.n. Riverside San Jacinto Mtns., by the side of Lake Fulmor, south of Banning [on Hwy 243] 'el. 7000 ft. 1646 Comment
  UCR48523  Arenaria douglasii Steve Boyd 1986-4-20 1724 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. 640 Comment
  UCR116786  Argemone munita A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24160 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
  RSA78245  Argemone munita subsp. munita P. A. Munz 1952-8-21 17964 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1372 Comment
  RSA502510  Argemone munita subsp. munita Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3560 Riverside Vail Lake area, along Arroyo Seco drainage from junction with Kolb Creek. S to w/in 1/4 mi Hwy 79. 457 Comment
  POM9996  Argyrochosma jonesii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  CAS-BOT-BC207134  Argythamnia lanceolata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  RSA793457  Aristida adscensionis Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4377 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  UCR144088  Aristida adscensionis Scott D. White 1999-4-20 7275 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  POM219941  Aristida adscensionis var. modesta F. R. Fosberg 1932-3-13 8102 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA457765  Aristida adscensionis var. modesta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2130 Riverside N. end Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  UC126632  Aristida californica var. californica H. M. Hall 1905-5-1 5963 Riverside canyons along Colorado River; Colorado Desert Comment
  CLARK-A1528-4478  Aristida parishii John C. Roos 1946-11-30 3162 Riverside Chuckwalla Mountains Comment
  RSA0110190  Aristida purpurea Duncan S. Bell 2010-4-2 710 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  RSA782353  Aristida purpurea Stephanie Rockwood, Christi Gabriel 2011-10-18 132 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 99 Comment
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Sep 10 2016
  SBBG93043  Aristida purpurea A. C. Sanders 1989-9-20 9513 Riverside Tabaseca Tank, in the extreme northern end of the Chocolate Mtns; Chocolate Mtns Aerial Gunnery Range 610 Comment
  SEINET191857 Image available Aristida purpurea var. nealleyi C. L. Hitchcock 1940-3-30 5871 Riverside Cottonwood Spring Comment
  RSA595907  Artemisia douglasiana Darin L. Banks, Lauren Raz 1996-11-5 1166 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, ESE of San Gabriel Church; Along the floodplain of the southern fork of Pechanga Creek. 415 Comment
  UCR203960  Artemisia douglasiana Michael Wall 2008-10-3 493 Riverside Perris-Aguanga Basin, Bautista Creek, east of Hemet off Bautista Canyon Road c. 7 mi east of the junction with Fairview Ave. 758 Comment
  SEINET3145759  Artemisia dracunculoides G. F. Reinhardt sn Riverside San Jacinto Valley Comment
  CLARK-A1528-155  Artemisia dracunculus John C. Roos 1951-9-23 Riverside Reche Canyon Comment
  CAS-BOT-BC93651  Artemisia ludoviciana subsp. incompta Louis C. Wheeler 1931-10-4 171 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  CAS-BOT-BC222820  Asclepias albicans H. M. Hall 1905-5-1 6025 Riverside Colorado Desert. Pinto Mts. Comment
  HSC25814  Asclepias albicans R. W. Spjut 1972-2-12 2189 Riverside Colorado Desert, N face of the Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center. 305 Comment
  HSC25817  Asclepias albicans R. W. Spjut 1972-3-20 2287 Riverside Colorado Desert, N face of the Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center. 305 Comment
  UCR99728  Asclepias albicans B. G. Pitzer 1996-11-9 2924 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  RSA496474  Asclepias californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3093 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  RSA180460  Asclepias eriocarpa E. W. Lathrop 1960-6-6 4820 Riverside 14 miles W. of Murrieta. Comment
  UCR265020  Asparagus officinalis Mitch Provance 2013-4-8 413- 13 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR93055  Aster subulatus Steve Boyd 1985-8-7 1121 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  RSA639701  Aster subulatus var. ligulatus Scott D. White 1998-12-2 7198 Riverside Temescal Canyon - Lake Elsinore area. 365 Comment
  CAS-BOT-BC177462  Astragalus aridus Roxana S. Ferris 1953-3-9 12599 Riverside Near junction of U.S. 60 & 70 with Desert Hot Springs road Comment
  SBBG3151  Astragalus aridus H. and M. Dearing 1938-3-5 1978 Riverside between Blythe and Desert Center Comment
  JEPS48856  Astragalus bernardinus Marjorie D. Clary 1932-5-13 954 Riverside Keys View, Summit , Keys View, Summit (San Bernardino Mts.) Comment
  JOTR01057  Astragalus coccineus Cole, James E. 1941-4-15 601 Riverside Joshua Tree National Park. .05 MILES ABOVE PINON WELL Comment
  POM98779  Astragalus didymocarpus var. dispermus M. French Gilman 1926-2-22 s.n Riverside Thousand Palms Canyon. Comment
  CAS-BOT-BC182635  Astragalus didymocarpus var. obispoensis L. R. Abrams 1935-4-7 13664 Riverside Gavilan Hills, 2 mi. SW. of Perris Comment
  CAS-BOT-BC178434  Astragalus douglasii var. parishii Peter H. Raven; Sidney R. Snow 1956-7-6 9662 Riverside On deserty roadbanks, 1.5 miles from hemet Road on roat to Aquanga, San Jacinto Mts. Comment
  POM157927  Astragalus douglasii var. parishii P. A. Munz 1927-5-21 10843 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  RSA748521  Astragalus douglasii var. parishii Justin M. Wood, Brandy Wood 2009-6-13 888 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  UC410714  Astragalus douglasii var. parishii Mrs. E. C. Van Dyke Jul 22 1928-Jul 28 1928 Riverside Idyllwild Comment
  UCR168456  Astragalus filipes Orlando Mistretta, Mark A. Elvin 1995-6-19 1780 Riverside Peninsular Ranges; San Jacinto Mountains, State Hwy 74 [San Jacinto River Canyon above Cranston Guard Station, vicin. of old Idyllwild Control Rd.] 1433 Comment
  CAS-BOT-BC186733  Astragalus gambelianus Steve Boyd 1986-4-22 1754 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of Interstate 15 Comment
  SEINET948334  Astragalus gambelianus Steve Boyd 1986-1 1754 Riverside Temescal Canyon. Just south of Interstate 15. Comment
  CAS-BOT-BC186905  Astragalus insularis var. harwoodii A. C. Sanders 2010-3-15 37392 Riverside Sonoran (Colorado) Desert: pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  RSA498233  Astragalus lentiginosus var. coachellae Robert M. Perkins, H. de Forest 1937-3-15 381 Riverside 26 miles west of Indio. Comment
  RSA498238  Astragalus lentiginosus var. coachellae T. W. Minthorn 1926-5-15 s.n. Riverside Near Indio. Comment
  RSA715087  Astragalus lentiginosus var. coachellae Sarah J. De Groot, J. Mark Porter 2006-3-14 5197 Riverside North foot of San Jacinto Mts., between Snow Creek Road and Highway 111; several miles downstream from gaging station. 366 Comment
  UCR265197  Astragalus lentiginosus var. coachellae David Fraker, Aaron C. Sedgwick 2012-5-8 94 Riverside Sonoran (Colorado) Desert, south of Hwy 111 along dunes at base of the San Jacinto Mtns. 375 Comment
  RSA594766  Astragalus pachypus var. jaegeri D. L. Banks, Dylan Hannon 1996-5-3 1000 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR59498  Astragalus pachypus var. jaegeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3226 Riverside Peninsular Range, Vail Lake area, sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of Lake. Comment
  RSA90749  Astragalus pachypus var. jaegeri F. W. Peirson 1922-4-29 2950 Riverside 1 mile or more south of Dripping Springs, Temecula River 518 Comment
  CAS-BOT-BC192765  Astragalus palmeri Peter H. Raven 1958-5-6 12926 Riverside Along State Highway 74, 15.6 miles south-west of Palm Desert Comment
  SBBG68402  Astragalus palmeri M. N. Ackley 1928-4-3 573 Riverside Devil's Cyn, Coral Reef Ranch 91 Comment
  UC81354  Astragalus palmeri S. B. Parish Mar, 1881 735 Riverside Agua Caliente (i.e. Palm Springs) Agua Caliente (Palm Springs) Comment
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Jul 15 2009
  CAS-BOT-BC194146  Astragalus pomonensis H. L. Mason 1926-4-30 3114 Riverside Temecula Canyon, one mile south of Temecula Comment
  RSA415661  Astragalus pomonensis Anstruther Davidson 1892-5-23 s.n Riverside Banning. Comment
  RSA498264  Astragalus pomonensis B. C. Templeton 1931-4-23 19212 Riverside Between Perris and Gavilan Peak. Comment
  UCD105191  Astragalus pomonensis R. N. Raynor 1938-6-20 s.n. Riverside Aguanga. Comment
  UCR1655  Astragalus pomonensis Ken Calhoun 1962-4-29 77 Riverside Santa Ana Mtns., Santa Rosa Plateau, San Mateo [Tenaja] Road, 4 mi. west of Murrieta 549 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
  POM9021  Astragalus pomonensis P. A. Munz, R. D. Harwood 1920-3-20 3376 Riverside 5 miles S of Corona. 305 Comment
  POM9086  Astragalus pomonensis P. A. Munz, R. D. Harwood 1920-2-28 3253 Riverside 3 miles west of Corona. 305 Comment
  OBI70233  Astragalus tricarinatus Lyman Benson 1945-1 Riverside Comment
  UCR38117  Astragalus tricarinatus J. M. Stewart 1985-3-16 8507 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  CDA10364  Atrichoseris platyphylla M. S. Wasbauer 1960-3-27 Riverside Shaver Summit. 0 Comment
  JEPS35951  Atrichoseris platyphylla W. L. Jepson 1927-4-12 11660 Riverside Painted Canyon Mecca Hills, Painted Canyon Comment
  RSA418185  Atrichoseris platyphylla M. B. Dunkle 1933-3-4 3035 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA550010  Atrichoseris platyphylla Walter Wisura, John Dolan, C. Demme 1992-4-13 4687 Riverside Lower Desert: Wileys Well Road, 10.5 miles S of prison Comment
  RSA779727  Atrichoseris platyphylla Duncan S. Bell 2009-3-8 95 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  UCR202323  Atriplex argentea Karin Cleary-Rose 1998-9-7 s.n Riverside Perris-Aguanga Basin Region; San Jacinto River Valley, west edge of Hemet, east of Warren Rd., south of Esplanade and north of the Tres Cerritos Hills 460 Comment
  IRVC28917  Atriplex argentea subsp. expansa D. E. Bramlet 1990-7-20 2049 Riverside Perris Valley Storm Drain, 200 m E of the Escondido Freeway (Hwy I-125), and 350 m N of Ellis Ave 470 Comment
  POM13060  Atriplex canescens E. C. Jaeger 1921-7-15 s.n. Riverside Soboba Hot Springs 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
  UC205025  Atriplex canescens L. G. Childs 1921-1-21 Riverside Dos Palmas Colorado Desert, Dos Palmas Comment
  CAS-BOT-BC170204  Atriplex canescens subsp. canescens Louis C. Wheeler 1931-11-27 379 Riverside 2 mi. SE Salton Bench Mark 76 Comment
  JEPS90678  Atriplex coronata var. notatior D. Bramlet and P. Gordon-Reedy 1991-5-8 2125 Riverside some 8.2 km sw of Hemet (approx 10 m e of California Rd, just ne of jct of Califoria & Marvin Hull Rd, approx 50 m n of AT&SF Railroad Tracks and 300 m w of MWD Canal); San Jacinto Valley crownscale 498 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
  UCR112576  Atriplex davidsonii D. E. Bramlet 1998-6-22 2638 Riverside Upper Salt Creek Reserve, 6.9 km West of Hemet and 76m east of California Avenue, approximately 671m north of Setson Avenue. 456 Comment
  UCR247448  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-8-17 13- 190 Riverside city of Lake Elsinore, along Collier St and Hwy 74 south to Temescal Wash 393 Comment
  RSA719034  Atriplex elegans var. fasciculata Michael Honer 2005-3-11 2066 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  UCR103315  Atriplex hymenelytra George K. Helmkamp, E. A. Helmkamp 1998-2-5 2658 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  CAS-BOT-BC176534  Atriplex polycarpa Milo S. Baker 1928-4-3 2775 b Riverside Palm [Canon] Canyon Comment
  SEINET6174924 Image available Atriplex polycarpa Stephanie Rockwood, Christi Gabriel 2011-10-19 134 Riverside Mojave Desert; Southcentral Mojave Desert region: I95 Pulloff about 6 miles from Blythe Itaglios Marker. Boundary of Indian Reservation land. Desert Conservation Area. (Big Maria Mountains NE: T3S R23E S25) 99 Comment
  UCR100867  Atriplex polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2707 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR261155  Atriplex serenana var. serenana A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41721 Riverside Esinore, large vacant lot south of the intersection of 3rd St. and Pasadena St. 387 Comment
  UCR261193  Atriplex serenana var. serenana A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41717 Riverside Esinore, SE quarter of large vacant lot between Hwy 74 and Enterprise Way, a short distance NE of the drain from Lk. Elsinore to Temescal Canyon, S of the end of Enterprise and W of the end of Pasadena St. 387 Comment
  UCR272488  Atriplex suberecta Mitch Provance 2013-6-16 613- 20 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  RSA612727  Atriplex suberecta H. C. Stutz 1989-1-18 9557 Riverside 1/2 mile E of Perris. Comment
  UCR2185  Avena barbata F. M. Reed 1903-12-10 418 Riverside Riverside, Iowa Ave. near (Urquhart?) Ranch 305 Comment
  RSA33455  Avena sativa N. C. Cooper 1944-5-6 1218 Riverside Banning. 701 Comment
  UCR264222  Baccharis brachyphylla A. C. Sanders 2015-9-11 41870 Riverside Sonoran (Colorado) Desert, Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  CLARK-A1656-855  Baccharis emoryi Jon Mark Stewart 1983-11-14 83-61 Riverside Santa Rosa Mountains 822 Comment
  POM319735  Baccharis emoryi Patricia Wilder 1971-11-11 5306 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  RSA736238  Baccharis emoryi Scott D. White, Jonathan Campbell 2008-4-18 11900 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' Property, Alberhill area. 274 Comment
  UCR121891  Baccharis pilularis Ian G. Gillespie 2001-5-7 81 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  CAS-BOT-BC106749  Baccharis salicifolia Mrs. J. D. Abrams 1901-5-19 s.n. Riverside Elsinore Comment
  JOTR29284  Baccharis salicifolia La Doux, Tasha 2003-9-4 1574 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1280 Comment
  POM37330  Baccharis salicifolia Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UCR97295  Baccharis salicifolia Scott D. White 1995-4-5 2730 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  SEINET10892214  Baccharis salicifolia David B. Dunn, Howard Brown 1947-2-9 Dunn 2850 Riverside Pushawalla Canyon, Indio Hills. By Springs in canyon. Comment
  JEPS21286  Baccharis salicifolia subsp. salicifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1581 Riverside near Corona Comment
  SD247573  Baccharis salicifolia subsp. salicifolia Sarah J. De Groot, Cheryl Sevilla, Rico Ramirez 2014-8-20 7239 Riverside North Fork Mission Creek, above preserve. Southeast San Bernardino Mountains, San Gorgonio Wilderness Area. 769 Comment
  CAS-BOT-BC99821  Baccharis sarothroides Carl B. Wolf 1932-10-13 4310 Riverside Colorado Desert. Eagle Mts. Cottonwood Springs 289 Comment
  UCR260956  Baccharis sarothroides Duncan S. Bell 2013-1-30 4438 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Peak 1642 138 Comment
  SD229072  Baccharis sergiloides Dick Schwenkmeyer, Collection made by Tony Harper 2013-5-8 886 Riverside Little Paradise Camp in Palm Canyon, approx. 8 miles S. of Cathedral City 869 Comment
  SD40771  Baccharis sergiloides Carl B. Wolf 1932-10-11 1594 Riverside Morongo Wash, 0.3 mile below San Bernardino County Line, Colorado Desert 669 Comment
  UC667321  Baccharis sergiloides Annie M. Alexander and Louise Kellogg 1941-5-23 2229 Riverside Cottonwood Spring Eagle Mts. 883 Comment
  UC893735  Baccharis sergiloides Carl B. Wolf 1932-10-13 4310 Riverside Cottonwood Springs Colorado Desert, Eagle Mts. 289 Comment
  UCR89540  Baccharis sergiloides Bern Schwenn 1994-5-18 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well 1021 Comment
  POM259110  Bahia dissecta Philip A. Munz 1938-8-14 15364 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2438 Comment
  CAS-BOT-BC295895  Bahiopsis parishii H. M. Hall 1905-4-1 5877 Riverside Colorado Desert. Chuckawalla Bench Comment
  HSC25084  Bahiopsis parishii Richard Spjut 1972-2-1 2168 Riverside Colorado Desert: N face of the Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center; Providence Mtns., Morongo Basin and also along the W border of the Colorado Desert 305 Comment
  CAS-BOT-BC99948  Baileya pauciradiata Mrs. W. J. Anderson 1925-3-27 s.n. Riverside Indio Comment
  CAS-BOT-BC99950  Baileya pauciradiata Geo. B. Grant 1906-4-20 6709 Riverside Palm Springs, Colorado Desert Comment
  POM350661  Baileya pauciradiata N. C. Cooper 1944-5-20 2642 Riverside Palm Springs. 137 Comment
  RSA114159  Baileya pauciradiata Francia Chisaki 1955-4-18 631 Riverside 5.6 miles SE of turn off the Thousand Palms on Hwy 60 Comment
  UC472194  Baileya pauciradiata F. M. Reed 1917-5-19 3840 Riverside Palm Canyon Colorado Desert Comment
  RSA781656  Bebbia juncea Duncan S. Bell 2009-3-8 77 Riverside Arica Mountains: northwest section of mountain range approximately 3.2 air miles northwest of Priest Well, or approximately 6 air miles southwest of the ghost town of Rice. 476 Comment
  RSA92398  Bebbia juncea F. W. Peirson 1920-12-28 5282 Riverside Murray Canyon near Palm Springs Comment
  SEINET10616169  Bebbia juncea David B. Dunn 1946-3-15 Dunn 2023 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
  SEINET10616170  Bebbia juncea David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2869 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  CAS-BOT-BC100143  Bebbia juncea var. aspera W. R. Dudley 1903-12-26 s.n. Riverside Palm [Canon] Canyon Comment
  UC68957  Bebbia juncea var. aspera H. M. Hall 1905-4-1 5841 Riverside near Salton; Colorado Desert -45 Comment
  UCR266819  Bergia texana D. E. Bramlet 2005-7-13 3893 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds 433 Comment
  UCR89779  Bergia texana Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UCSB45588  Bergia texana Roos, John 1952-5-28 Riverside San Jacinto river bottomland 1 mile southeast of Perris 426 Comment
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May 15 2016
  RSA653500  Bidens laevis A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23679 Riverside SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
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Apr 23 2011
  HSC78731  Blennosperma nanum var. nanum A. C. Sanders, T. Glenn 1983-4-17 3728 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  SDSU11582  Bloomeria crocea Ronald H. Bigelow 1962-5-23 Riverside Schloss Foundation, Just southeast from branch in road from HWY 395 to Santa Margarita River. Comment
  SD133144  Boechera californica Scott White 1991-5-13 91 109 Riverside Highway 79 immediately west of U. S. Forest Campground at Dripping Springs. 550 Comment
  UC597589  Boechera johnstonii Philip A. Munz 1937-5-31 15123 Riverside Kenworthy, S part of San Jacinto Mountains 1371 Comment
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Mar 25 2011
  UCR244885  Boerhavia wrightii A. C. Sanders, T. B. Salvato 2012-10-12 40402 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  POM12938  Boisduvalia glabella P. A. Munz, I. M. Johnston 1922-5-21 5542 Riverside Mystic Lake near Moreno 457 Comment
  CAS-BOT-BC145591  Bouteloua aristidoides Marcus E. Jones 1929-9-16 24721 Riverside Near Desert Center. Comment
  POM192679  Bouteloua barbata Marcus E. Jones 1929-9-16 24717 Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  SEINET3240176  Bowlesia incana Rea Raymond 1962-1 176 Riverside North of Prado Dam-4 miles on Highway #71.: Santa Ana Mountains 305 Comment
  UCR151383  Brachypodium distachyon Scott D. White, T. B. Salvato 2001-6-8 8584 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley 579 Comment
  CHSC25967  Brandegea bigelovii James Henrickson 1969-11-8 4371 Riverside 5 air mi. S of Palm Desert near top of Seven Level Hill. 670 Comment
  UC68779  Brandegea bigelovii H. M. Hall Apr. 1905 5896 Riverside Colorado Desert, Chuckwalla Springs Colorado Desert; , Chuckwalla Springs Comment
  UCR104965  Brandegea bigelovii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2730 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  RSA0009725  Brandegea bigelovii Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  RSA381544  Brassica rapa O. F. Clarke 1987-3-16 s.n. Riverside Riverside. 1012 Spruce St. 305 Comment
  RSA0049917  Brassica tournefortii Jim Andre 2014-1-27 26672 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
  RSA346262  Brassica tournefortii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54045 Riverside Along Whitewater River, E of bridge and levee Comment
  RSA496660  Brassica tournefortii A. C. Sanders 1988-1-18 7588 Riverside Riverside. W end of the Box Springs Mountains on S-facing slopes of Sugarloaf Peak. 457 Comment
  RSA772327  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4507 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  PASA2160  Brickellia arguta Frank W. Peirson 1919-4-13 Riverside Along the Tahquitz stream, east of Palm Springs 152 Comment
  JEPS18758  Brickellia atractyloides W. L. Jepson 1928-4-23 12561 Riverside Cottonwood Spring Colorado Desert, Eagle Mts. 731 Comment
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Oct 9 2010
  RSA592677  Brickellia californica Scott D. White 1996-7-2 4254 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
  RSA614691  Brickellia californica A. C. Sanders 1994-10-6 15787 Riverside San Jacinto Mountains (N slope): rocky gorge of Azalea Creek, Twin PInes Creek drainage 1189 Comment
  RSA621892  Brickellia californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3679 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UCR89539  Brickellia desertorum Bern Schwenn 1994-2-13 s.n. Riverside Colorado Desert/Santa Rosa Mtns., Santa Rosa Mtns, west fork Agua Alta Canyon. 657 Comment
  JOTR01240  Brickellia desertorum Cole, James E. 1942-5-19 960 Riverside Joshua Tree National Park. RUBY LEE MILL SITE 914 Comment
  UCR191212  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-1 910 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve; Clay Hill, 0.5 km south-southwest of the northernmost high point of the Mesa de Burro 576 Comment
  CLARK-A1528-2794  Brodiaea terrestris William E. Wayburn 1973-5-26 730526 Riverside Murrieta 548 Comment
  UCR213833  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2009-5-21 12848 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  RSA561876  Bromus anomalus Steve Boyd, Timothy S. Ross 1992-6-10 7633 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido',, an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  CAS-BOT-BC149332  Bromus arizonicus H. M. Hall 1905-1-1 5980 Riverside Colorado Desert. Comment
  UC50578  Bromus berteroanus Dr. A. Davidson Riverside Banning Comment
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Mar 21 2011
  RSA0037319  Bromus carinatus John F. Emmel 1993-5-30 1263 Riverside San Jacinto Mts.; along Pacific Crest Trail 0.3-0.6 mile SE of Fobes Saddle. 1859 Comment
  RSA509525  Bromus catharticus Ed LaRue 1989-4-14 s.n. Riverside Old agricultural fields 0.5 mile S of Lakeview. 457 Comment
  SEINET4691497  Bromus diandrus A. C. Sanders, John F. Green 2012-1 40036 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon along Temescal canyon Rd. between Glen Ivy and Indian Truck Trail c 370 m NW of El Hermano Rd. 312 Comment
  POM363886  Bromus hordeaceus N. C. Cooper 1944-4-22 1113 Riverside Banning. 732 Comment
  CAS-BOT-BC161816  Bromus rubens C. H. Muller 1952-4-5 9489 Riverside White Water Canyon, 1 mile above White Water. Comment
  SEINET10835307  Bromus rubens A. Evans 1976-4-13 Evans 5130 Riverside Desert canyons of santa rosa mtns. Comment
  CLARK-A1528-48  Bromus tectorum C. M. Flanagan 1973-4-26 OO 319 Riverside Morongo Indian Reservation 1158 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
  CHSC109693  Bromus trinii Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10455 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs tram station. Comment
  UCR18522  Bromus trinii Frank C. Vasek, O. F. Clarke 1966-4-4 s.n. Riverside Santa Rosa Mtns, Hwy 74 at Royal Carrizo Road, Deep Canyon drainage 917 Comment
  RSA264427  Caesalpinia virgata C. W. Tilforth, Jeff Barnes 1976-7-21 1221 Riverside Painted Canyon, NE of Mecca. Comment
  RSA498294  Caesalpinia virgata Robert M. Perkins, H. de Forest 1937-3-15 399 Riverside 20 miles East of Indio. Comment
  UC520279  Caesalpinia virgata N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Oasis Comment
  UCR89830  Caesalpinia virgata George K. Helmkamp 1994-3-10 42- 18 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
  UC310280  Calandrinia ambigua Philip A. Munz 1926-1-31 9982 Riverside clay hills w Dos Palmos; Colorado Desert Comment
  RSA613410  Calandrinia ciliata D. L. Banks 1997-4-5 1681 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  RSA666511  Callisia repens A. C. Sanders 2001-11-20 24886 Riverside San Bernardino Valley region: Riverside, yard of house at 422 Campus View Dr. 341 Comment
  RSA667102  Callisia repens A. C. Sanders, O. F. Clarke, Susan Sims 2001-11-28 24889 Riverside San Bernardino Valley Region: between Pedley & Mira Loma, Sims property at NE corner of Limonite Av. & Bain St. 210 Comment
  RSA593981  Callistemon citrinus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 956 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
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Jun 5 2006
  UCR269649  Callitriche D. E. Bramlet 2005-4-22 3827 A 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
  UCR20523  Callitriche heterophylla E. W. Lathrop 1966-4-13 6164 Riverside Peninsular Range, 3 mi NW of Murrieta Comment
  POM10103  Calocedrus decurrens E. A. Zumbro 1903-08 s.n Riverside Idylwild [Idyllwild] Comment
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Jan 11 2007
  RSA170444  Calochortus concolor J. Olmstead 1960-5-15 1460 Riverside west slope of San Jacinto Mountains near intersection of main ans west forks of Snow Creek 762 Comment
  RSA377349  Calochortus concolor Russell S. Woglum 1941-6-13 3072 Riverside Pines to Palms Road, Santa Rosa Mountains. Comment
  RSA369037  Calochortus invenustus Robert L. Rutherford 1944-7-16 1609 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  RSA377365  Calochortus invenustus M. B. Dunkle 1933-7-20 3717 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  CAS-BOT-BC132460  Calochortus plummerae Marcus E. Jones 1926-6-20 s.n. Riverside Near [Bannnig] Banning Comment
  RSA701502  Calochortus plummerae Naomi Fraga, Sarah J. De Groot 2004-7-7 1299 Riverside Along Chimeny Flats Road (5S06) near intersection with FS Road 5S24, on the way to Alvin Meadows. 1418 Comment
  RSA79326  Calochortus plummerae Percy C. Everett, E. K. Balls, Lee Lenz 1952-7-1 17281 Riverside 6.7 mi W along Hwy 74 from jct w/ rd. S from Idyllwild. Comment
  RSA50295  Calochortus splendens E. K. Balls 1949-5-4 13479 Riverside Cajalco Road, road to Lake Mathews, Gavilan Hills. 2 miles from Corona to Elsinore Highway. Comment
  RSA736294  Calochortus splendens Scott D. White, Justin M. Wood 2008-5-27 12033 Riverside I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  RSA783290  Calochortus splendens J. D. Olmsted 1958-6-10 160 Riverside 8 miles SW of Corona on Oak Flat Fire Road (turn S in Corona from US [91?] onto Lincoln). Santiago Creek drainage area. 823 Comment
  RSA92741  Calochortus splendens J. C. Roos, L. Roos 1952-5-19 5688 Riverside Between Moreno and Redlands in branch of San Timateo Canyon. 488 Comment
  UCR48395  Calycadenia tenella Steve Boyd 1986-5-1 1794 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  JOTR31999  Calycoseris parryi La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2229 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  JOTR35456  Calycoseris parryi Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 60 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  UC667272  Calycoseris parryi Annie M. Alexander and Louise Kellogg 1941-5-11 2146 Riverside 1.5 mi n of Cottonwood Spring; Colorado Desert, Eagle Mountains 975 Comment
  SD240845  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. 4mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak. 195 Comment
  SJSU1865  Calyptridium monandrum J. W. Tilden 1957-4-18 1095 Riverside near Whitewater, E of San Gorgonio Pass Comment
  UC218071  Calyptridium monandrum Munz and Johnston 1922-5-19 5365 Riverside 5 mi ne of Murietta 457 Comment
  UC851946  Calyptridium monandrum I. W. Clokey 1935-4-18 6616 Riverside Gavila Mesa 600 Comment
  CLARK-A1528-7873  Calystegia longipes John C. Roos 1952-6-8 5747 Riverside Reche Canyon 579 Comment
  UCR201945  Calystegia macrostegia Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  UCR113902  Calystegia macrostegia subsp. arida Mitch Provance 1998-4-13 435 Riverside City of Riverside, Hillside area, near the corner of Adams and Central, along the NE periphery of the Riverside Airport. 244 Comment
  UCR215624  Calystegia macrostegia subsp. arida Crystal Sheehan 2010-5-10 48 Riverside Peninsular Range; Gavilan Hills Region, Lake Mathews Reserve, c. 1/4 mi. south of 13225 Cajalco Road, south of Lake Mathews, c. 0.4 mi. SE of intersection of Cajalco Rd. and La Sierra Ave. 429 Comment
  LA50062  Calystegia macrostegia subsp. cyclostegia Roxana S. Ferris; Ruth P. Rossbach 1930-5-20 sn Riverside foot of grade, State Highway #74, along San Jacinto River Comment
  UC64607  Calystegia macrostegia subsp. tenuifolia H. M. Hall 1897-6-1 595 Riverside Riverside Comment
  SD146298  Calystegia sepium subsp. binghamiae Mitch Provance, S. D. Boyd 1999-9-14 1780 Riverside Riverside; Riverbottom along Spring Brook between Lake Evans and the Santa Ana River at the Mission Bridge. 238 Comment
  CAS-BOT-BC218905  Camissonia B. Trowbridge 1979-4-13 6070 Riverside Ca. 5 miles east of Temecula off Hwy. 71 457 Comment
  RSA449956  Camissonia bistorta J. C. Roos 1966-4-5 s.n. Riverside Winchester Comment
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Mar 20 2011
  RSA465934  Camissonia bistorta Gale Sphon 1955-3-5 s.n. Riverside Elsinore Mountains, Horsethief Canyon, along sunny side of road Comment
  RSA175081  Camissonia boothii subsp. condensata Robert F. Thorne 1963-3-29 32426 Riverside Colorado Desert, 12 miles ENE of Mecca. Comment
  RSA387327  Camissonia boothii subsp. condensata Aaron Liston, T. S. Elias, O. R. Dorado, S. Zona 1986-11-29 642 -1 Riverside Colorado Desert. West of Chiriaco Summit. Comment
  RSA465963  Camissonia boothii subsp. condensata M. B. Dunkle 1932-3-25 2910 Riverside Cabazon. Colorado desert. 457 Comment
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Nov 3 2011
  RSA465968  Camissonia boothii var. condensata M. B. Dunkle 1935-3-17 4405 Riverside Colorado Desert. 610 Comment
  RSA543752  Camissonia californica Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6056 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
  UCR156458  Camissonia campestris T. B. Salvato, A. C. Sanders 2005-5-17 886 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
  JOTR31975  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2211 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  CLARK-A1528-5363  Camissonia claviformis John C. Roos 1947-2-15 3267 Riverside Eagle Mountains Comment
  UCR102715  Camissonia claviformis B. G. Pitzer 1998-1-24 3400 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  SEINET10492068  Camissonia claviformis Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 Holmgren 7471 Riverside Box canyon wash, 11.4 mi e-ne of mecca. T6s, r10e, sec35. Common to abundant in wash. Petals cream with reddish base. 244 Comment
  RSA703370  Camissonia claviformis subsp. aurantiaca LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1441 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR251664  Camissonia claviformis subsp. aurantiaca Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-24 846 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent to Corn Spring Road, draining from Corn & Aztec Springs, 396 Comment
  UCR97652  Camissonia ignota A. C. Sanders, G. Helmkamp 1997-3-15 19955 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 534 Comment
  POM6697  Camissonia pallida subsp. hallii P. A. Munz, L. T. Street, G. Williams 1919-3-28 2363 Riverside San Gorgonio Pass, near Banning 701 Comment
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Sep 12 2011
  RSA771624  Camissonia pallida subsp. hallii Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4998 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
  JOTR30240  Camissonia pallida subsp. pallida Leary, C. and Leary, Pat 1979-5-5 2999 Riverside Joshua Tree National Park. Near the end of the road in Lower Covington Flat, Joshua Tree National Monument Comment
  POM253860  Camissonia pallida subsp. pallida A. M. Alexander, Louise Kellogg 1941-4-22 2059 Riverside Morongo Valley Gorge. 701 Comment
  RSA449241  Camissonia pallida subsp. pallida M. B. Dunkle 1933-3-5 3073 Riverside Palm Springs. Colorado Desert. 152 Comment
  RSA758320  Camissonia refracta Doug Goldman 2005-3-3 3023 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  UC1546707  Camissonia refracta Barry A. Prigge 1988-2-21 7850 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  UCR167438  Camissonia refracta John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  SBBG35187  Camissoniopsis bistorta T. L. Secrest 1951-5-18 Riverside near Hemet Comment
  UCD103421  Camissoniopsis bistorta C. L. Hitchcock 1966-3-15 24173 Riverside 4 miles NE of Aquanga. Comment
  SEINET7862011  Camissoniopsis bistorta M. F. Barrus 1919-12-15 50 Riverside Riverside Comment
  UC1931141  Camissoniopsis intermedia Scott D. White, Justin Wood 2008-6-18 12208 Riverside San Jacinto Mountains: K Flat Meadow. (Idyllwild) Comment
  UC922783  Camissoniopsis pallida subsp. pallida Annie M. Alexander and Louise Kellogg 1940-3-21 884 Riverside at end of road Mohave Desert, Barker Dam (20 mi s of Twenty Nine Palms) 1322 Comment
  RSA495456  Capsella bursa-pastoris Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2984 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  SD146036  Carduus pycnocephalus R. D. Goeden, D. W. Ricker 1971-5-4 Riverside Box Springs Mountains; Highgrove, National Orange Co. property beyond east end of Palmyrita Ave. (San Bernardino South 7.5 Q.) 412 Comment
  UCR18046  Carduus pycnocephalus O. F. Clarke 1967-5-2 s.n. Riverside Riverside, Box Springs Mts, Pigeon Pass Rd and County Dump Rd Comment
  RSA0103089  Carex alma Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8551 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UCD140179  Carex bolanderi P. Zika; N. Otting, K. Kramer 2010-8-6 25300 Riverside bridge over N Fork San Jacinto River, Dark Canyon, at campground. San Jacinto Mountains. 1785 Comment
  POM259174  Carex douglasii Phillip A. Munz 1938-8-13 15327 Riverside Cedar Spring, north base of Santa Rosa Peak. 2378 Comment
  RSA762741  Carex multicaulis Peter Guiden, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 72 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  POM14380  Carex praegracilis Phillip A. Munz 1922-7-4 5971 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  UC72470  Carex praegracilis H. M. Hall June, 1901 2664 Riverside Fuller's Mills Mountains San Jacinto Mountains 1584 Comment
  RSA192256  Carex schottii E. W. Lathrop 1966-6-1 6366 Riverside Los Alamos Road, Tenaja Range, 14 miles NW of Murrieta. Comment
  CHSC106610  Carex senta P. F. Zika; Nick Otting 2010-8-3 25244 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains, Peninsula Ranges. 2550 Comment
  RSA802260  Carex senta Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5007 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  RSA364711  Carex subfusca M. B. Dunkle 1933-7-23 3759 Riverside San Jacinto Peak, San Jacinto Mountains. 3049 Comment
  UC72392  Carex subfusca H. M. Hall July, 1901 2416 Riverside near summit San Jacinto Mountains 3291 Comment
  UC2030026  Carex triquetra S. D. White, Sandy Leatherman 2000-5-31 7974 Riverside SANTA ANA MTS. / SANTA ROSA PLATEAU: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. Comment
  POM307284  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 s.n. Riverside Santa Rosa Mountains. Comment
  SBBG34206  Castilleja applegatei subsp. martinii T. L. Secrest 1951-5-21 Riverside Idyllwild 1524 Comment
  RSA0010932  Castilleja exserta subsp. exserta Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1318 Riverside Palms to Pines Highway. Comment
  POM8715  Castilleja foliolosa P. A. Munz 1920-4-11 3813 Riverside Santa Ana River Canyon. 305 Comment
  RSA400080  Castilleja foliolosa Gale Sphon 1955-5-21 s.n. Riverside 6 miles south of Banning. Comment
  UC64213  Castilleja foliolosa H. M. Hall May 1899 Riverside desert side San Jacinto Mts. 1371 Comment
  UCR39195  Castilleja foliolosa M. L. Rosczyk, G. K. Helmkamp 1985-4-4 231 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, The Nature Conservancy's Big Morongo Preserve, south of Morongo Valley. Main canyon, one-half mi. below the BLM gate 518 Comment
  CAS-BOT-BC38139  Caulanthus amplexicaulis H. M. Hall 1900-6-1 s.n. Riverside Riverside. Comment
  JEPS53333  Caulanthus cooperi L. M. Newlon 1922-4-4 455 Riverside Palm Canyon San Jacinto Mts., Palm Canyon Comment
  UCR213544  Caulanthus heterophyllus Michael Honer 2003-4-16 1832 Riverside Peninsular Range, Gavilan Hills, west slope, about 1 mile north of I-15 Fwy, 1 mi. east of Lake St. exit, on and around peak 2349 716 Comment
  UCR5980  Caulanthus heterophyllus David M. Peterson 1966-2-24 660224- 7 Riverside 50 feet NE of the SE corner of the botanical garden fence, Univ. of Calif. Riverside 457 Comment
  JEPS48718  Ceanothus W. L. Jepson 1939-4-17 19164 Riverside 2 mi s Temecula (on Fallbrook rd) 304 Comment
  CAS-BOT-BC48458  Ceanothus crassifolius A. C. Sanders 2006-5-19 32451 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north Glinton Keith Rd. 518 Comment
  CDA31121  Ceanothus crassifolius Mike Lahti 2010-3-8 PDR# 1501966 Riverside Murrieta: at Jo-Dan Farms on Pabesu Road near Greer Road. 0 Comment
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Aug 11 2012
  RSA570227  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7896 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, 610 Comment
  UC494719  Ceanothus crassifolius Philip A. Munz 1932-3-24 12028 Riverside s Lake Elsinor (base of mts.) 365 Comment
  UCR114804  Ceanothus crassifolius Mitch Provance 1998-2-17 78 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  RSA399039  Ceanothus cuneatus M. V. Hood 1945-3-25 s.n. Riverside Aguanga. 588 Comment
  UC1070672  Ceanothus greggii R. St. John 1929-2-28 9 Riverside 2 mi e Indian Creek; San Jacinto quad., San Bernardino National Forest 1219 Comment
  SD82811  Ceanothus greggii var. perplexans R. S. Woglum 1937-5-22 577 Riverside Santa Rosa Mountains Comment
  POM254861  Ceanothus integerrimus W. Pequegnat 1940-7-1 s.n. Riverside Santiago Peak. 1735 Comment
  RSA221091  Ceanothus integerrimus var. californicus E. W. Lathrop 1966-5-8 6416 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  POM282968  Ceanothus leucodermis E. W. Lathrop 1966-3-20 6072 Riverside Summit Temecula. Comment
  SD7232  Ceanothus leucodermis Daniel Cleveland May 1882 Riverside Temecula Comment
  UC18306  Ceanothus leucodermis H. M. Hall 1901-6-1 2223 Riverside Ontatt's Valley San Jacinto Mts. 1676 Comment
  RSA95353  Ceanothus oliganthus F. W. Peirson 1931-5-30 9380 Riverside Along Glen Ivy Trail to Santiago Peak, Santa Ana Mts. 762 Comment
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Oct 1 2011
  RSA0025535  Ceanothus oliganthus var. sorediatus John F. Emmel 1992-4-11 1202 Riverside Riverbed of South Fork San Jacinto River, 0.3 air mi NW of confluence of Dry Creek and San Jacinto River. 738 Comment
  SJSU15171  Ceanothus ophiochilus Steve Boyd, Tim Ross & Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area 1 mi W of Lake 624 Comment
  CAS-BOT-BC63468  Ceanothus palmeri E. A. McGregor 1941-6-12 10 Riverside Idyllwild. Comment
  UC1178628  Ceanothus palmeri Peter Kamb 1948-7-4 1158 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  UCR215076  Ceanothus perplexans Justin M. Wood 2009-3-10 347 Riverside Peninsular Range; San Jacinto Mountains, Twin Pines Rd. near entrance to Twin Pines Ranch 1159 Comment
  RSA614175  Ceanothus tomentosus D. L. Banks 1997-2-17 1284 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  UCR5997  Ceanothus tomentosus Robert A. Clark 1966-3-19 031966- 09 Riverside Santa Ana Mtns, Sky Line Drive 4 miles from entrance off Chase Ave 762 Comment
  SBBG4566  Ceanothus tomentosus var. olivaceus H. and M. Dearing 1939-4-5 3089 Riverside 5 mi N of Beaumont Comment
  UCR227808  Centaurea melitensis Duncan S. Bell, Joy England 2010-6-7 1266 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 1.4 air miles southeast of the junction of Hwy 74 and Forest Service Road 5S15 780 Comment
  UCR265817  Centaurea melitensis Mitch Provance 2012-5-24 512- 07 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  RSA525287  Centaurea melitensis Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4600 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA613901  Centaurea solstitialis A. C. Sanders, O. F. Clarke 1997-5-4 20670 Riverside Baeumont: near railroad on E side of Hwy 79, S of I-10 793 Comment
  RSA741180  Centaurium venustum Scott D. White, Justin M. Wood 2008-7-10 12459 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  UCR143363  Centaurium venustum N. C. Cooper 1944-6-4 1357 Riverside Peninsular Ranges; Santa Ana Mountains, San Juan Canyon, Upper San Juan Campground el. '2500 ft. 534 Comment
  CAS-BOT-BC279119  Centromadia pungens subsp. laevis G. R. Ballmer 1992-6-23 92 -10 Riverside San Timoteo Canyon Road, 3.2 mi. E of junction with Redlands Blvd. N side of railroad tracks Comment
  RSA735908  Centromadia pungens subsp. laevis Scott D. White, Justin M. Wood 2008-6-24 12283 Riverside Beaumont Badlands: San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  UCR253360  Centromadia pungens subsp. laevis Karyn L. Drennen 2014-5-13 027 Riverside Perris Aguanga Basin, Perris, east of Hwy 215, 0.7 km north of San Jacinto Ave., east of Dunlap Dr. 432 Comment
  UCR282153  Centromadia pungens subsp. laevis R. E. Riefner Jr. 2017-5-18 17- 258 Riverside Perris-Aguanga Basin, city of Hemet, east of Winchester, north of Simpson Road, east of San Diego Aqueduct, west of active agricultural fields 467 Comment
  UCR239200  Cerastium glomeratum Steven R. Hill, A. C. Sanders 2001-5-4 33723 Riverside Santa Rosa Plateau, Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 mi west of junction of Rancho California Road and Route I-15 509 Comment
  UCR59765  Cerastium glomeratum Steve Boyd 1989-3-31 3076 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  RSA597527  Cercocarpus betuloides Louis C. Wheeler 1960-5-9 7690 Riverside Santa Rosa Mountains. Garnet Queen Mine. Comment
  SEINET5543500  Cercocarpus betuloides R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians. 1524 Comment
  JOTR30769  Cercocarpus betuloides var. betuloides La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1884 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  SD229254  Cercocarpus betuloides var. betuloides Dick Schwenkmeyer 2012-8-6 772 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  CHSC29988  Chaenactis carphoclinia var. carphoclinia T. M. Lane 1975-3-24 6 Riverside 1 mi n of US Interstate 10 at s entrance of Joshua Tree National Monument on Pinto Basin Rd. 533 Comment
  RSA703747  Chaenactis carphoclinia var. carphoclinia LeRoy Gross 2005-3-3 1571 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  POM351700  Chaenactis fremontii Ora M. Clark 1929-2-22 1544 Riverside south Cabazon Comment
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Mar 13 2011
  RSA0031441  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4517 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA775626  Chaenactis fremontii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 1006 Riverside Road circling Sheep Hole Valley Wilderness, NS569 at junction with Hwy 62 on east side of NS569 along washlets 396 Comment
  SBBG7873  Chaenactis fremontii C. H. Muller 1952-4-6 9510 Riverside Pinto Basin, Joshua Tree Nat Monument Comment
  SEINET1086113 Image available Chaenactis fremontii G. Helmkamp, M. Rosczyk 1985-4-4 223 Riverside West edge of themain canyon 1/4 mile below the BLM gate. 518 Comment
  UCR16699  Chaenactis fremontii R. L. Lasby 1969-5-3 16 Riverside San Bernardino Mtns/Colorado Desert, canyon 3 miles NE of Cabezon 671 Comment
  UCR8406  Chaenactis fremontii Sally Bell 1964-4-18 s.n. Riverside Sonoran (Colorado) Desert; Coachella Valley, Desert Hot Springs, east side of Indian Canyon Dr., c. 3 miles from Twentynine Palms Highway [Hwy 62] junction 366 Comment
  UCR132915  Chaenactis glabriuscula John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR154452  Chaenactis glabriuscula A. C. Sanders, Mike Misenhelter 2005-6-15 30963 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  CAS-BOT-BC277416  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1899-5-1 s.n. Riverside San Jacinto Mt. (Van de Venter's [Vandeventer]) 1371 Comment
  JEPS82355  Chaenactis glabriuscula var. glabriuscula L. R. Heckard 1969-4-24 2163 Riverside about 7 mi s of Sage (along Highway 79) Comment
  HSC5297  Chaenactis macrantha C. L. Hitchcock 1966-3-16 24208 Riverside Along Palms to Pines Hwy., 4 mi. S of Palm Desert 610 Comment
  UC195040  Chaenactis stevioides Joseph Grinnell 1910-5-17 Riverside Riverside Mt., Colorado River Comment
  RSA518039  Chaenactis stevioides var. stevioides Steve Boyd, Orlando Mistretta 1986-3-13 1426 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
  JOTR35021  Chamaesyce abramsiana La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3119 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  CDA35263  Chamaesyce polycarpa M. Wasbauer 1960-3-26 s.n. Riverside Shaver s Summit. 0 Comment
  RSA599304  Chamaesyce polycarpa L. C. Wheeler 1954-9-25 7095 Riverside South end of Mule Mountains, near Ripley. Comment
  RSA775100  Chamaesyce polycarpa Duncan S. Bell, Michael Hee 2011-3-18 2053 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  SEINET3365550  Chamaesyce polycarpa G. Rink 2011-9-25 11074 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  RSA433506A  Chamaesyce polycarpa var. polycarpa Ora M. Clark 1929-3-2 1593 Riverside Near Alberhill Comment
  RSA487533  Chamaesyce polycarpa var. polycarpa B. Pitzer 1988-3-10 644 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
  RSA608167  Chamaesyce polycarpa var. polycarpa Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10053 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UC63397  Chamaesyce serpyllifolia H. M. Hall 1904-5-24 4961 Riverside vicinity of Riverside; Santa Ana River 243 Comment
  POM119153  Cheilanthes covillei Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA614527  Cheilanthes covillei A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15781 Riverside San Jacinto Mountains (N slope): Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west. 1128 Comment
  UCR121309  Cheilanthes covillei A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25011 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  SEINET6744643  Cheilanthes intertexta G. R. Vasey 1881-1 Riverside Whitewater Comment
  POM8819  Cheilanthes newberryi I. M. Johnston 1920-5-8 2277 Riverside Butte due west of Lakeview Comment
  RSA632461  Cheilanthes newberryi Scott D. White 1999-5-28 7435 Riverside Gavilan Hills: Ca. 3 air miles SE of junction Cajalco Rd. / Gavilan Rd.: East of Juniper Rd. between Blue Sky Drive and Celestial Dr. 670 Comment
  RSA716426  Cheilanthes newberryi Scott D. White 2006-4-27 11312 Riverside Perris Basin/San Jacinto Mtn. Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  CAS-BOT-BC68053  Cheilanthes parryi S. B. Parish 1918-3-27 19191 Riverside Colorado Desert - Palm Springs, Tahquitz Canyon Comment
  UC197903  Cheilanthes parryi J. G. Lemmon and wife Riverside San Gorgonio Pass Comment
  CAS-BOT-BC70379  Cheilanthes viscida John Thomas Howell 1928-3-11 3421 Riverside wall of Morongo Canyon, n. Colorado Desert 609 Comment
  RSA598056  Cheilanthes viscida S. B. Parish, W. F. Parish 1881-03 506 Riverside Whitewater, desert side of San Bernardino Mts. Comment
  UCR113605  Chenopodium album A. C. Sanders 2000-9-16 23646 Riverside Riverside, yard at 422 W Campus View Dr. 335 Comment
  UCR125288  Chenopodium ambrosioides A. C. Sanders 2002-11-21 25649 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  RSA654881  Chenopodium berlandieri T. B. Salvato, A. C. Sanders 2000-4-27 59 Riverside Coachella Valley: between Filmore & Buchanan on Avenue 56. -37 Comment
  VVC1454  Chenopodium berlandieri A. C. Sanders, J. Mac 1996-11-23 19654 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  UCR140733  Chenopodium californicum A. C. Sanders 2004-5-12 27869 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR82221  Chenopodium murale J. M. Stewart 1994-5-2 842 Riverside Western Colorado Desert, Coachella Valley, Thermal. Hwy 86 & Avenue 60 Comment
  RSA0013142  Chenopodium rubrum LeRoy Gross, Caitlin Elam 2013-5-14 6068 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
  UCR115924  Chenopodium strictum Mitch Provance 2000-11-2 2296 Riverside North Riverside, Reid Park, c. 0.5 mi SW of the corner of Placentia Ln. and Orange St. 250 Comment
  UCR116952  Chenopodium strictum var. glaucophyllum A. C. Sanders, T. B. Salvato 2001-5-3 24118 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA0099450  Chilopsis linearis Duncan S. Bell, Evan Meyer 2014-10-29 7690 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
  UCR37637  Chilopsis linearis George K. Helmkamp 1984-5-5 E- 9 Riverside Transverse Range, Little San Bernardino Mountains, Big Morongo Canyon, 4 road miles below the caretaker's house at the Big Morongo Preserve 549 Comment
  UCSB47186  Chilopsis linearis Hornemann, D. 1977-2-27 Riverside Box Canyon Wash 60 Comment
  UCR264246  Chilopsis linearis subsp. arcuata A. C. Sanders, Jim Malusa 2015-9-10 41841 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon near top of alluvial fan, beside Summit Rd. c. 1.15 mi. below the old train trestle 213 Comment
  UCR277700  Chorizanthe Mitch Provance 2012-4-1 412- 37 Riverside Badlands of Western Riverside County, N side of San Timoteo Canyon Rd., about 4.5 mi WNW of intersection with I-10, N of old Haskell residence 646 Comment
  JEPS57601  Chorizanthe brevicornu var. brevicornu E. E. Schellenger May 1920 Riverside e Mecca (Hayfields); Colorado Desert, e of Mecca Comment
  JEPS57786  Chorizanthe brevicornu var. brevicornu W. L. Jepson 1927-4-13 11677 Riverside Painted Canyon, NE of Mecca, Colorado Desert Comment
  UCR116990  Chorizanthe coriacea A. C. Sanders, T. B. Salvato 2001-5-3 24073 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  POM147639  Chorizanthe corrugata F. M. Reed 1927-3-20 5477 Riverside Salt Creek Wash. Comment
  UCR48414  Chorizanthe leptoceras Steve Boyd 1986-4-22 1738 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  OBI82256  Chorizanthe leptotheca Lee A. Ripma 2008-6-25 130 Riverside Peninsular Ranges: San Jacinto Mts; Alvin Meadows (Blackburn Canyon) 7.5' Q. 1467 Comment
  RSA407718  Chorizanthe leptotheca Steve Boyd 1986-4-22 1758 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  UCR139156  Chorizanthe leptotheca S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR217645  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 130 Riverside San Jacinto Mountains, Bautista Canyon, on slopes east of creek and c. 2.5 km south of forest service boundry 820 Comment
  JEPS100434  Chorizanthe parryi var. parryi Dean W. Taylor 2003-5-6 18526 Riverside 1.15 mi NNE of Cabazon, along access road paralleling powerlines 640 Comment
  POM122120  Chorizanthe parryi var. parryi Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  SBBG37953  Chorizanthe parryi var. parryi T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UCR56702  Chorizanthe polygonoides subsp. longispina Jeri Hirshberg 1989-5-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW slope of Mesa de Burro 579 Comment
  UCR90406  Chorizanthe procumbens D. L. Banks, Steve Boyd 1995-5-9 0389 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  RSA522757  Chorizanthe staticoides Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3864 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA559367  Chorizanthe staticoides Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7377 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  SEINET3087439 Image available Chorizanthe xanti subsp. leucotheca Robert F. Thorne, C. W. Tilforth 1980-5-28 54223 Riverside San Bernardino Mtns.; rocky and sandy wash along Whitewater River, 3.2 mi. north of White Water post office and Highway 10 518 Comment
  RSA601162  Chrysanthemum parthenium Scott D. White 1996-8-15 4478 Riverside Strawberry Creek at Hwy 74 bridge. 884 Comment
  UCR611  Chrysolepis sempervirens S. C. Warner 1956-5-20 s.n. Riverside San Jacinto Mtns., 1.5 mi. above Marion Mountain Camp along the trail to San Jacinto Peak 2561 Comment
  UCSB11821  Chrysolepis sempervirens Creighton, B. 1961-5-6 Riverside at upper end of road to Black Mtn. Lookout, which begins 6.5 miles northeast of Banning-IdylIwild road, 18.2 miles south of Banning, San Jacinto Mountains 2286 Comment
  RSA450415  Chrysothamnus paniculatus J. C. Roos 1965-11-6 s.n. Riverside Whitewater. 305 Comment
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Jan 14 2010
  VVC1352  Chrysothamnus paniculatus A. C. Sanders, J. Mac 1996-11-23 19656 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  CAS-BOT-BC160641  Chylismia claviformis subsp. aurantiaca L. R. Abrams 1926-3-26 11040 Riverside Palm Springs Comment
  SD143570  Cirsium occidentale var. californicum R. D. Goeden, D. W. Ricker 1979-5-8 Riverside San Jacinto Mountains, Bautista Creek Canyon, Bautista Road at Horse Creek crossing 854 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
  UCR262284  Cirsium occidentale var. coulteri A. C. Sanders 2006-5-13 32277 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UC63139  Cirsium occidentale var. occidentale W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1980 Riverside Dripping Springs Temecula River, Dripping Springs Comment
  CAS-BOT-BC280420  Cirsium ochrocentrum John Thomas Howell 1952-10-24 28863 Riverside Bridges Ranch near Beaumont Comment
  RSA594504  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
  UCR201884  Cirsium vulgare Justin M. Wood 2008-9-19 134 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  UCR202218  Cirsium vulgare Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  CAS-BOT-BC171998  Clarkia epilobioides E. W. Lathrop 1968-5-22 6941 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon, Cleveland Nat'l Forest 1219 Comment
  UCR256915  Clarkia purpurea Naomi Fraga, Duncan S. Bell 2009-5-6 2708 Riverside Arroyo Seco SE of Dripping Springs Campground and Fire Station 518 Comment
  RSA586926  Clarkia purpurea subsp. quadrivulnera D. L. Banks, Steve D. Boyd 1995-5-3 262 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA802252  Clarkia rhomboidea Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4998 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UCR195126  Clarkia rhomboidea A. C. Sanders, Tim Thomas 2008-8-1 35964 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  UCR35362  Clarkia similis L. B. Ziegler 1969-5-12 359 Riverside San Jacinto Mtns, Lower Bautista Canyon 610 Comment
  UCR5923  Claytonia parviflora subsp. utahensis Sue Freeman 1966-4-30 s.n. Riverside San Jacinto Mtns., Above Fuller Mill Creek, 50 yards up stream from Banning-Idyllwild road 1616 Comment
  SDSU13912  Claytonia perfoliata subsp. mexicana Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2106 Riverside Small meadow north of El Valle. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  SDSU13495  Claytonia perfoliata subsp. perfoliata Shawn Johnston, Calf. Plant Taxonomy Class Spring 2000 2000-4-1 15 Riverside Santa Margarita Ecological Reserve North End. Comment
  RSA552736  Clematis lasiantha Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6758 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  UCR104180  Clematis pauciflora Scott D. White 1997-5-25 5251 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCSB9195  Clematis pauciflora Eater, John 1966-3-18 Riverside Lower San Juan Campground; 16.8 miles east on Route 74 off of US 101 Comment
  UCR34880  Cnicus benedictus L. B. Ziegler 1974-5-26 528 Riverside San Jacinto Valley, city of San Jacinto 473 Comment
  UCR93822  Cnicus benedictus P. J. MacKay 1996-6-15 006 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  RSA0117449  Collinsia concolor Scott D. White, Justin M. Wood 2008-6-18 12215 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  UCR177646  Collinsia concolor S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR91278  Collinsia concolor Scott D. White 1995-4-5 2748 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  RSA0117415  Collinsia concolor Walter Wisura 1987-5-21 4154 Riverside This is a voucher from the living collection at the RSA. Living collection no. 15579, 7.8 mi. from Hwy. 243 along old Idyllwild road. Comment
  JEPS13372  Collinsia heterophylla Peter Kamb 1948-6-19 1114 Riverside Santa Ana Mountains, se slope of Santiago Peak Santiago Peak; Santa Ana Mountains, Santiago Peak 1219 Comment
  UCR132612  Collinsia heterophylla Kent Beaman 1983-4-24 03 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  UCR211504  Colubrina californica Jim Andre, T. La Doux 2008-9-13 10276 Riverside Sonoran (Colorado) Desert, Eagle Mountains at Joshua Tree National Park boundary, along aqueduct access road 355 Comment
  SD257165  Conium maculatum Dave Goodward 2016-7-30 716 1 Riverside San Jacinto Mountains: Garner Valley, c. half mile east of the eastern end of Lake Hemet and c. 0.7 mi southwest of Hwy 74, headwaters of the South Fork of the San Jacinto River (Idyllwild 7.5'Q) 1327 Comment
  UCR151371  Convolvulus simulans Steve Boyd 2001-4-12 10405 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Gavilan Hills region; Santa Ana Mountains region, Santa Ana Mountains-Gavilan Hills Region: Temescal Canyon, terrace escarpment just south of DePalma Road between Indian Wash and Horsethief wash Comment
  UC4405  Corallorhiza maculata H. M. Hall 1901-6 2345 Riverside Tauquitz Valley San Jacinto Mts. 2438 Comment
  JEPS60187  Cordylanthus rigidus subsp. setiger L. R. Heckard 1969-4-24 2168 Riverside just n of Sage 731 Comment
  RSA412304  Cordylanthus rigidus subsp. setiger N. C. Cooper 1943-9-11 892 Riverside San Jacinto Mountians, Idlewild. 1829 Comment
  RSA0030791  Cordylanthus rigidus subsp. setiger J. C. Roos 1965-8-18 s.n. Riverside Thomas Valley, San Jacinto Mtns. Comment
  UCSC000860  Cordylanthus rigidus subsp. setiger E. P. Unangst 2006-9-9 s.n. Riverside Hall Canyon, San Jacinto Mts. Comment
  CAS-BOT-BC101299  Corethrogyne filaginifolia D. E. Breedlove 1961-8-4 929 Riverside along Riverside Highway 1, 9 miles south of Banning; San Jacinto Mountains 1341 Comment
  POM153345  Corethrogyne filaginifolia P. A. Munz, I. M. Johnston 1928-9-12 11309 Riverside Dry flats near Lake Elsinore Comment
  UC895237  Corethrogyne filaginifolia I. W. Clokey and E. G. Anderson 1935-8-21 6961 Riverside e Keen Post Office; Hillside 1350 Comment
  UCR22105  Cotula australis Steve Boyd 1980-5-28 304 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UCR182431  Cotula coronopifolia Mitch Provance 2005-5-17 6590 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
  RSA719777  Crassula aquatica Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary D. Wallace 2006-9-7 1779 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA681896  Crassula connata Scott D. White 2001-3-13 8164 Riverside Perris / Elsinore Basin: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 442 Comment
  UCR226071  Crassula connata A. C. Sanders, T. B. Salvato 2011-4-1 38940 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  UCR235058  Cressa truxillensis A. C. Sanders, John F. Green 2012-5-27 40204 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  UCR89776  Cressa truxillensis Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  CAS-BOT-BC175816  Crossosoma bigelovii John Thomas Howell 1928-3-11 3414 Riverside Along road between Morongo Valley and Coachella Valley Comment
  RSA397721  Crossosoma bigelovii Martha Hilend 1928-3-11 95 Riverside Morongo Pass, Colorado Desert region. Comment
  RSA651890  Croton californicus C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 202 Riverside In desert 15 miles north [E?] of Riverside 366 Comment
Read comments
Jun 10 2008
  UCR226674  Croton californicus Jim Andre 2011-2-9 15946 Riverside Sonoran (Colorado) Desert, Coachella Valley, along Varner Road between Desert Hot Springs and Palm Desert, 2 mi north of Hwy I-10 189 Comment
  UCR278562  Croton californicus Mitch Provance 2012-7-28 712- 08 Riverside San Gorgonio Pass, Banning, Montgomery Creek and adjacent plateaus, south of Westward Ave., and west of Banning High School 695 Comment
  RSA184046  Croton californicus var. mohavensis I. L. Wiggins 1966-11-22 20461 Riverside Along Highway 60 about 1.5 mi. SE of garnet Hill. Comment
  SEINET9255231 Image available Croton californicus var. mohavensis Nancy Ryan Zabriskie 1970-12-29 333 Riverside Beside Andreas Canyon Club entrance gate on South Palm Canyon Drive, Palm Canyon watershed, east slope San Jacinto Mtns. 168 Comment
  UCR231745  Cryptantha John F. Green 2008-4-23 08- 02 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR234234  Cryptantha A. C. Sanders 2012-4-12 40027 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 100 m SE of El Hermano Rd. 314 Comment
  SEINET6971881  Cryptantha W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  SBBG25605  Cryptantha angustifolia E. R. Blakley 1966-4-9 6756 Riverside 1 mi W of Desert Center on US Hwy 60-70 274 Comment
  UCR214415  Cryptantha angustifolia A. C. Sanders, Richard Dwerlkotte 2010-3-22 37503 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  UCSB5589  Cryptantha angustifolia Krogen, Roger 1957-1 Riverside 26 mi. E of Indo on Hwy 60-70, near S entrance to Joshua Tree Nat. Park Comment
  SEINET10497267  Cryptantha angustifolia David Charlton 1988-2-18 Charlton 1131 Riverside Alluvial fan, S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. Creosote Bush Scrub. 1 mi E of Jct Dillon Rd. and Fargo Cyn Rd. Stable and disturbed Bajada with; Psorothamnus, Larrea Common 8 in. white flowered annual on granite. 610 Comment
  POM368286  Cryptantha barbigera F. R. Fosberg 1932-3-13 10627 Riverside Thousand Palm Canyon, Coachella Valley Comment
  RSA234106  Cryptantha barbigera R. F. Thorne, R. Carolin 1967-3-21 41636 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  SEINET241490  Cryptantha barbigera A. C. Sanders, Mitch Provance; T. B. Salvato 2001-4-6 23949 Riverside Western Colorado Desert: Coachella Valley, Desert Hot Springs, N of intersxn of Pierson Blvd & Atlantic, N of flood ditc 347 Comment
  UC1392688  Cryptantha barbigera R. F. Hoover 1969-4-11 11210 Riverside Mouth of Morongo Valley Canyon Comment
  RSA0062648  Cryptantha barbigera var. fergusoniae M. Harthill 1973-2-17 1565 Riverside W. Palm Springs. 365 Comment
  UCR183022  Cryptantha corollata Mitch Provance 2005-5-27 4600 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  UCR258781  Cryptantha corollata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7903 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  JOTR33864  Cryptantha costata La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3050 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps interspersed w/ basalt outcrops 349 Comment
  UC729691  Cryptantha costata Carl B. Wolf 1932-4-29 Riverside 3 mi s Rice (on Blythe road, e Colorado Desert); Colorado Desert 213 Comment
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Feb 12 2013
  UCR85077  Cryptantha costata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16021 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 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
  OBI38928  Cryptantha dumetorum A. C. Sanders, B. Pitzer & D. Charlton, D. Charlton 1986-3-1 6010 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff rd from Hayfield rd to the dirt rd to the Colorado River Aqueduct (T5S, R13E, SW 1/4 sec 30) 427 Comment
  RSA499723  Cryptantha intermedia W. P. Burger 1979-4-28 64 Riverside Along Carancho Road, just past where stream crosses road, Hidden Valley. 366 Comment
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Jan 11 2016
  RSA502894  Cryptantha intermedia Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  SBBG6258  Cryptantha intermedia H. and M. Dearing 1939-12-31 4050 Riverside 5 mi N Palm Springs Comment
  UC1287159  Cryptantha intermedia C. L. Hitchcock 1966-3-16 24193 Riverside about 5 mi ne Aguanga Comment
  UC604898  Cryptantha intermedia Roxana S. Ferris and Ruth P. Rossbach 1938-5-20 9665 Riverside foot of grade, State Highway 74, along San Jacinto River San Jacinto River Comment
  UCR120825  Cryptantha intermedia Ian G. Gillespie 2000-4-27 30 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 30 m south of DePalma Road 412 Comment
  UCR213602  Cryptantha intermedia A. C. Sanders, Matthew Malle 2010-4-23 37999 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR215506  Cryptantha intermedia Daphne K. Christopher, Hannah I. Stevens 2003-4-3 080 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  UCR42808  Cryptantha intermedia A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-19 6455 Riverside Mockingbird Canyon, south of Riverside, 0.7 mi. below (NW of) Harley John Road. 396 Comment
  UCR89846  Cryptantha intermedia Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3304 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCR91393  Cryptantha intermedia Scott D. White 1995-4-5 2710 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  UCR93036  Cryptantha intermedia Steve Boyd 1986-4-2 1600 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SEINET12280820  Cryptantha intermedia Unknown 1936-1 12768 Riverside W of Bonning Comment
  SDSU20587  Cryptantha intermedia var. intermedia Ronald B. Kelley 2005-3-23 669 Riverside Idaleona Road, 0.75 miles E. of Gavilan Road, along roadside. 620 Comment
  RSA0075624  Cryptantha intermedia var. johnstonii F. W. Peirson 1918-03 1020 Riverside Field near Indio. Comment
  HSC66535  Cryptantha maritima Christopher Davidson 1979-4-4 7672 Riverside Orocopia Mtns., lower end of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca 213 Comment
  OBI35028  Cryptantha maritima Sears 1978-3-18 926 Riverside 3 mi E of Corn Spring, 9 mi SE of Desert Center, T6S, R16E, sec 23 366 Comment
  RSA337994  Cryptantha maritima F. R. Fosberg 1932-3-13 10624 Riverside Thousand Palm Canyon, Coachella Valley Comment
  RSA779784  Cryptantha maritima Duncan S. Bell 2010-4-2 693 A Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  UC100901  Cryptantha maritima H. M. Hall 1905-4-23 5858 Riverside Canyon Springs Colorado Desert Comment
  UCR138588  Cryptantha maritima Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1318 Riverside Western Colorado Desert, Mecca Hills: Painted Canyon north of Hwy 195 Comment
  RSA703480  Cryptantha maritima var. maritima LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1425 -a Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA704585  Cryptantha maritima var. maritima LeRoy Gross 2005-3-3 1584 -a Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  CLARK-A1528-2223  Cryptantha micrantha John C. Roos 1949-4-11 4239 Riverside Chuckwalla Mountains Comment
  CLARK-A1656-730  Cryptantha micrantha Theo Glenn 1981-4-24 Riverside San Jacinto Mountains Comment
  RSA0080319  Cryptantha micrantha Sarah J. De Groot, Cheryl Sevilla 2015-2-24 s.n. Riverside Sand dunes along Blythe-Rice (Midland) Road, Rice Valley, south of Turtle Mountains, east of Arica Mountains, 1.9 miles south of Highway 62 and Rice. 234 Comment
  RSA782072  Cryptantha micrantha Duncan S. Bell 2009-3-9 109 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
  SEINET3005010  Cryptantha micrantha G. Rink, A. Karl, M. Honer, T. Thomas 2011-4-6 10439 Riverside Ca 5 miles west of Blythe, south fo I-10 and north of the transmission line, on dunes 141 Comment
  CLARK-A1528-2222  Cryptantha micrantha subsp. lepida John C. Roos 1947-5-24 3648 Riverside San Jacinto Mountains Comment
  UCR256085  Cryptantha micrantha var. lepida G. D. Wallace 2003-7-8 4028 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  UCR138583  Cryptantha micrantha var. micrantha Steve Boyd, Orlando Mistretta 1986-3-13 1429 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  UCR158275  Cryptantha micromeres A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29498 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
  HSC85285  Cryptantha microstachys Steve Boyd 1986-5-7 1832 Riverside Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, S of I-15 Comment
  UCR241930  Cryptantha microstachys A. C. Sanders, John F. Green 2013-3-27 40691 Riverside Peninsular Range, Alberhill, along west side of Lake St. near the old clay mines, 0.85 km south of I-15 Fwy 389 Comment
  UCSB41271  Cryptantha microstachys Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km.) W on Hwy. 74 from its jct. with Hwy. 243, approaching Hemet, San Jacinto Mts. 1370 Comment
  UC1595605  Cryptantha muricata Steve Boyd and Orlando Mistretta 1991-5-22 6295 Riverside e of Dorland Mtn. (w of Kolb Creek, base of Agua Tibia Mtn., Vail Lake area); Vail Lake Area, Agua Tibia Mtn. 548 Comment
  RSA0079417  Cryptantha muricata var. jonesii R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38079 B Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA0079433  Cryptantha muricata var. jonesii C. P. Cowan 1978-4-25 1270 Riverside 5.1 miles (8.1 km) west on Hwy. 74 from jct. with 243, approaching Hemet. San Jacinto Mts. Whittaker transect no. W-228. 1370 Comment
  JOTR33723  Cryptantha nevadensis var. nevadensis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2724 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  RSA0079114  Cryptantha pterocarya var. pterocarya Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6922 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  JEPS67814  Cryptantha racemosa W. L. Jepson 1927-4-12 11675 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  RSA614832  Cryptantha racemosa A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15814 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 550 Comment
  UCR116601  Cryptantha utahensis A. C. Sanders 2001-4-8 23985 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  RSA676272  Cucurbita palmata Scott D. White 2001-5-3 8446 Riverside Shavers Valley. Ca. 0.5 mi north of I-10 Freeway at Cactus City Rest Area. 518 Comment
  SEINET4896208  Cupressus macrocarpa H. F. Thut 1971-1 Riverside near Redlands Comment
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Jul 19 2015
  UCR177703  Cuscuta brachycalyx Michael Wall 1996-7-6 192 Riverside Peninsular Ranges; Perris-Aguanga Basin region, San Jacinto Valley, W side of Ramona Expressway in swale beginning 0.4 mi SE of Sanderson continuing for >0.5 mi. 488 Comment
  HSC6392  Cuscuta californica C. L. Hitchcock, C. V. Muhlick 1964-3-17 23076 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  RSA409704  Cuscuta californica M. B. Dunkle 1934-2-19 3838 Riverside San Juan Canyon 396 Comment
  UCR231775  Cuscuta californica John F. Green 2008-4-23 08- 19 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  RSA652887  Cuscuta campestris John Wallace 1991-5-8 20 Riverside Colorado River,. Approximately 3 miles south of Lost Lake Resort. Comment
  UCR266411  Cycloloma atriplicifolium D. E. Bramlet, Fred M. Roberts 2005-6-6 3872 Riverside San Jacinto Valley, San Jacinto River at Sanderson Ave., north of Ramona Expressway 447 Comment
  RSA0097555  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18291 Riverside Chuckwalla Bench, 64 km WSW of Blythe, 3.9 km south of Augustine Pass. 660 Comment
  UC172818  Cylindropuntia bigelovii S. R. Vasey Feb. 1881 Riverside White Water Comment
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Nov 29 2010
  SEINET5624455 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-1 17534 Riverside Chuckwalla Mountains, along Corn Springs Wash, 2.5km WNW of Com Spring, 69km west of Blythe, Corn Spring 7.5' USGS topographic quadrangle 550 Comment
  SEINET5624465 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .5 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  SEINET5624469 Image available Cylindropuntia chuckwallensis Marc A. Baker 2013-3-20 17720 .3 Riverside 800m south of Smoke Tree Wash, 5.5 km north of Cottonwood Spring, 40 km NE of Indio 945 Comment
  JEPS66895  Cylindropuntia ramosissima W. L. Jepson 1912-10-29 5247 Riverside Riverside Mts.; along Colorado River 91 Comment
  RSA522099  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3792 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  CAS-BOT-BC114416  Cyperus erythrorhizos John C. Roos 1951-9-25 5249 Riverside Common in mud at edge of lake, Fairmount Park. 259 Comment
  RSA500573  Cyperus involucratus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3579 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA703631  Cyperus niger Scott D. White, Angelia Carey 2004-9-16 10759 Riverside Indian Creek watershed, above confluence w/ San Jacinto River. Former homestead area with persisting pond (cattle pond?) & adj. wetlands and seep. 579 Comment
  UC1930201  Cyperus niger Scott D. White, Angelia Carey and Linda Archa 2004-8-5 10680 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Comment
  CAS-BOT-BC113966  Cyperus odoratus G. R. Kleeberger 1878-12-27 s.n. Riverside Temescal Comment
  JEPS64079  Cyperus odoratus Samuel B. Parish 1891-11-3 2247 Riverside Elsinore Lake Comment
  CSUSB1206  Dalea californica Steven J. Southwell 1971-5-7 Riverside Colorado Desert West Colorado Desert. Windy Gap Sand dune, west of Palm Springs on highway 111, 200 feet west of road. 304 Comment
  SBBG3310  Dalea mollis H. and M. Dearing 1942-3-9 4817 Riverside Eagle Cyn Comment
  UC218191  Dalea mollis P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4870 Riverside vicinity of Corn Springs; Colorado Desert, Chuckwalla Mts. 457 Comment
  RSA727004  Dasyochloa pulchella Naomi Fraga, Lisa Rojas 2005-2-10 1407 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  RSA713777  Daucus pusillus A. C. Sanders 2005-4-22 29583 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  UCR116864  Daucus pusillus A. C. Sanders, Steven R. Hill 2001-5-4 24126 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR281476  Daucus pusillus Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 83 Riverside Temescal Valley, 0.4 miles SE of Horsethief Canyon Rd. and the 15 Fwy. 391 Comment
  CAS-BOT-BC294111  Deinandra kelloggii H. M. Hall 1905-5-1 6239 Riverside Vicinity of Riverside 365 Comment
  UC1563109  Deinandra kelloggii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-10 3673 Riverside below the dam Temecula Creek Canyon; Vail Lake Area 457 Comment
  UC310836  Deinandra kelloggii Philip A. Munz 1925-1 9849 Riverside Aguanga Comment
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May 30 2011
  CAS-BOT-BC291901  Deinandra mohavensis A. C. Sanders; Steve Boyd; Jeff Ross; Mitch Provance 1998-10-25 22271 Riverside San Jacinto Mtns.: Mt. Edna Road, ca. 0.2 mi. west of Hwy 243 1159 Comment
  SD135127  Deinandra paniculata Craig Reiser 1993-6-14 Riverside Near Winchester, N of Patton Rd. and several hundred yards N of San Diego aquaduct Comment
  UCR266603  Deinandra paniculata Mitch Provance 2011-6-6 17001 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., east to Old 215 Frontage Rd. 466 Comment
  UCR205021  Delphinium parishii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10473 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 366 Comment
  SBBG34969  Delphinium parishii subsp. subglobosum T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning 1066 Comment
  RSA180502  Delphinium parryi E. W. Lathrop 1960-5-27 s.n. Riverside 6 miles west of Murrieta. Comment
  RSA278308  Delphinium parryi C. W. Tilforth, Walter Wisura 1979-5-23 1805 Riverside Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta. 335 Comment
  RSA614094  Delphinium parryi D. L. Banks 1997-4-5 1697 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  UCR102837  Delphinium parryi A. C. Sanders 1997-4-3 20176 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  UC75775  Delphinium parryi subsp. parryi Miss M. A. King 1893-1 Riverside Menifee Comment
  LA210351  Delphinium patens subsp. hepaticoideum W. B. Welch; Riverside SAN JACINTO MOUNTAINS Comment
  LA45861  Dendromecon rigida A. M. Johnson; 1932-8-18 4137 Riverside San Jacinto Mountains, E side along road Comment
  SD229211  Dendromecon rigida Dick Schwenkmeyer 2012-4-18 707 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  RSA221050  Dendromecon rigida subsp. rigida E. W. Lathrop 1966-3-23 6090 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 610 Comment
  CAS-BOT-BC198174  Deschampsia danthonioides John Thomas Howell 1930-5-10 4776 A Riverside Marsh Field Comment
  UCR121803  Deschampsia danthonioides A. C. Sanders, Carolyn Washburn 2001-4-17 24050 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  UCR213838  Deschampsia danthonioides Scott D. White, Justin M. Wood 2009-5-21 12855 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  UCD62838  Deschampsia danthonioides var. gracilis Robert F. Thorne; E. Lathrop, O. Clark, S. Carlquist 1968-4-18 37430 Riverside Santa Rosa Plateau. On Mesa de Colorado, Rancho California. 670 Comment
  RSA775969  Descurainia pinnata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 860 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
  UCR117100  Descurainia sophia A. C. Sanders, T. B. Salvato 2001-5-3 24115 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA367466  Dichelostemma capitatum subsp. capitatum Mark Morris 1929-3-17 s.n. Riverside Palm Canyon. Comment
  SEINET232554  Dichelostemma capitatum subsp. capitatum Sharon K. DuBois 1987-5-10 Riverside San Jacinto Mountians 1 mi up Bee Canyon off of Hwy 74 457 Comment
  RSA501045B  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3166 B Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CAS-BOT-BC292197  Dicoria canescens C. B. Wolf 1931-10-14 2457 Riverside At Cabezon [Cabazon], San Gorgonio Pass 518 Comment
  CDA4516  Dicoria canescens L. C. Cordill 1962-11-2 Riverside Northwest corner of Sunrise Way & McCallum Way, Palm Springs. 0 Comment
  SD255089  Dicoria canescens Duncan S. Bell 2010-10-23 1991 Riverside East side of Arica Mountains; west side of Rice Valley; abaout 3 air miles south of the ghost stown of Rice. 227 Comment
  UCR7991  Dicoria canescens Ken Nagy 1968-10-23 s.n. Riverside Colorado Desert, Coachella Valley, Palm Springs 213 Comment
  CAS-BOT-BC292246  Dieteria asteroides var. asteroides Ted Hutchinson 1953-10-20 18703 Riverside Along U.S. Hwy 60/70 near Desert Center Comment
  SD229083  Dieteria canescens var. canescens Dick Schwenkmeyer 2012-8-7 796 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  RSA596538  Digitaria sanguinalis D. L. Banks, Lauren Raz 1996-8-29 1135 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; Along Los Caballos Road, approximately 0.5 m S of Hwy. 79, 100 m N of the Golf Course access road;, along the E side of the road under the drip irrigation line to a vineyard. 399 Comment
  RSA0019403  Diplacus fremontii James L. Reveal, C. Rose Broome 1987-6-27 6609 Riverside San Jacinto Mtns, along California Hwy 243, 1.8 miles N of Mountain Center and 2.7 miles S of Idyllwild. 1494 Comment
  RSA0019295  Diplacus puniceus D. L. Banks, Steve D. Boyd 1995-3-30 132 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. 634 Comment
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Apr 20 2019
  SBBG81483  Ditaxis claryana S. A. Junak 1983-3-23 1638 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  GMDRC3107  Ditaxis lanceolata J. Andre, T. La Doux 2008-9-13 10270 Riverside Eagle Mountains: at Joshua Tree Natl. Park boundary, lower slopes of south end of Eagle Mtns, along aqueduct access road 33 deg. 44.231' N 115 deg. 29.059' W. Elev. 1164 ft. 355 Comment
  UC68667  Ditaxis neomexicana H. M. Hall Apr 1905 5960 Riverside canyons near Colorado R. Colorado Desert 106 Comment
  UCR213276  Ditaxis neomexicana A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37427 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  UCR244303  Ditaxis neomexicana Jim Andre 2012-4-15 20856 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCR58871  Ditaxis neomexicana J. M. Stewart 1989-10-16 609 Riverside Sonoran (Colorado) Desert, along Hwy 95, 5.6 mi. south of Vidal Comment
  POM171288  Ditaxis serrata var. californica I. M. Johnston 1930-6-15 3773 Riverside North of Mecca-Blythe road in canyons at SE end of Eagle Mountains Comment
  RSA0104608  Ditaxis serrata var. californica Duncan S. Bell, Evan Meyer 2014-10-29 7676 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
  POM484  Dithyrea californica I. M. Johnston 1917-4-4 s.n Riverside Near Palm Springs. 152 Comment
  RSA27209  Dithyrea californica C. L. Hitchcock 1940-4-4 5959 Riverside Pinto Basin. Comment
  RSA721993  Dithyrea californica J. R. Bruff s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  UC118026  Dithyrea californica S. B. Parish 1881-3-1 15 Riverside Whitewater Colorado Comment
  UCR70735  Dithyrea californica N. C. Cooper 1945-3-24 1618 Riverside Sonoran (Colorado) Desert; San Gorgonio Pass, Cabazon 457 Comment
  UCR85252  Dithyrea californica A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16186 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  RSA461476  Dodecatheon alpinum subsp. majus M. B. Dunkle 1933-7-22 3754 Riverside Tahquitz Valley. 2317 Comment
  UCR23259  Dodecatheon clevelandii John C. Roos 1958-4-3 s.n. Riverside Plateau in Reche Canyon Comment
  POM370046  Draba cuneifolia var. sonorae Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UC1979668  Dryopteris arguta Darin L. Banks, Steve Boyd 1995-2-16 51 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. Comment
  RSA741584  Dudleya abramsii subsp. abramsii Scott D. White, Justin M. Wood 2008-6-17 12192 Riverside San Jacinto Mountains: Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  RSA494649  Dudleya lanceolata B. L. Phillips 1988-6-2 s.n. Riverside E Riverside, near Creek on W side of Box Springs Mt. Comment
  HSC47382  Dudleya saxosa subsp. aloides Richard Spjut, C. E. Edson 1978-5-5 5017 Riverside W margins of Colorado Desert, along Hwy. 74, W of Palm Desert in the San Jacinto Mtns. 915 Comment
  UC489261  Dudleya saxosa subsp. aloides C. V. Meyer 1928-7-24 521 Riverside Idyllwild Falls San Jacinto Mtns Comment
  UCR153984  Ehrharta longiflora Arlee Montalvo, Julie M. Evans 2005-5-14 662 Riverside Santa Ana Mtns., Foothills of Santa Ana Mtns. Santa Margarita River at the Santa Margarita Ecological Reserve. At edge of sandy/rocky channel of riparian area 244 Comment
  UC219278  Elatine californica P. A. Munz and I. M. Johnston 1922-5-21 5520 Riverside Hemet Valley San Jacinto Mts 1386 Comment
  UCR266608  Eleocharis acicularis Mitch Provance 2011-6-6 17002 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., east to Old 215 Frontage Rd. 466 Comment
  RSA719526  Eleocharis bella Naomi Fraga, et al. 2006-7-11 1727 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR15635  Eleocharis bella George K. Helmkamp 1978-6-1 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau, vernal pool 7 mi [west] of Murrieta near the origin of DeLuz Creek 671 Comment
  UCR96879  Eleocharis macrostachya Scott D. White 1993-4-30 1313 B Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  CLARK-A1528-15  Eleocharis montevidensis C. M. Flanagan 1973-6-13 OO 709 Riverside Morongo Indian Reservation 1127 Comment
  JOTR00975  Eleocharis parishii Cole, James E. 1941-5-27 810 Riverside Joshua Tree National Park. BARKER DAM Comment
  UCR195142  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35940 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  RSA450649  Elymus X hansenii J. C. Roos 1952-6-13 5765 Riverside Reche Canyon., [34 deg 02'55N, 117 deg 17'20W 457 Comment
  RSA131656  Elymus glaucus E. K. Balls 1958-6-27 23290 Riverside Between Santiago Peak and junction with Indian Truck Trail, along Main Divide, Santa Ana Mountains. 1372 Comment
  UC38193  Elymus glaucus H. M. Hall July 1901 2455 Riverside Tauquitz Valley San Jacinto Mountains 2133 Comment
  UCR156351  Elymus glaucus T. B. Salvato, Kent Beaman 2005-5-16 876 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  SD28117  Elymus glaucus subsp. glaucus Carl B. Wolf 1932-8-5 3942 Riverside San Jacinto Mountains, along trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  UCR2376  Elymus triticoides F. M. Reed 1926-5-20 5372 Riverside Santa Ana Mtns., Santa Rosa Plateau, akaline lake margin west of Temecula [presumably the large vernal pool on Mesa de Colorado, c. 7 mi. due west of Temecula] 625 Comment
  UCR75542  Elymus triticoides A. C. Sanders 1993-5-12 14015 Riverside Hemet, W side of Warren Road, 1/2 mi south of Florida Ave (Hwy 74), b/w the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd 457 Comment
  RSA401450A  Emmenanthe penduliflora N. C. Cooper 1949-4-8 3280 Riverside Shaver s Summit east of Indio. 610 Comment
  UCR233169A  Emmenanthe penduliflora var. penduliflora Jim Andre, Glenn L. Clifton 2011-2-22 17442 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  POM262947  Encelia actoni J. C. Roos 1941-5-10 s.n. Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
  UC31397  Encelia californica E. L. Koethen 1897-4-1 10 Riverside Plains Comment
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Mar 12 2011
  CAS-BOT-BC131343  Encelia farinosa Geo. B. Grant 1906-4-20 6720 Riverside Palm Springs Comment
  JEPS23538  Encelia farinosa Peter H. Raven 1958-2-15 11587 Riverside along United States Highway 60 (8.7 mi e of road to Wiley Wells) Comment
  UCR20716  Encelia farinosa A. C. Sanders, Steve Boyd 1980-5-2 1439 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCSB29016  Encelia farinosa Hornemann, D. 1977-2-26 Riverside Box Canyon Wash 60 Comment
  RSA615337  Encelia farinosa var. farinosa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2695 Riverside Colorado Desert: Midland Road, 3.8 miles SE of Midland, Little Maria Mountains Comment
  UCR52235  Encelia farinosa var. phenicodonta Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2142 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA0107844  Encelia frutescens Duncan S. Bell, Thomas Stoughton 2010-3-19 582 Riverside West side of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.5 air miles west of Priest Well. 418 Comment
  RSA792915  Encelia frutescens Aaron C. Sedgwick, Cody Leslie 2012-9-20 122 Riverside South of 29 Palms Hwy 62 in a wash ~3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft. 243 Comment
  UCR185109  Ephedra aspera LeRoy Gross, L. Lubinsky, V. W. Steinmann, L. L. Worlow 2005-2-17 1434 b Riverside Chocolatte-Chuckwalla Mountains, Colorado Desert; Corn Springs Campground in the Chuckwalla Mountains. Canyon SW of Campground 549 Comment
  UC1007228  Ephedra californica Philip A. Munz 1940-3-22 15656 Riverside 2 mi n, Banning-Indio boulevard; Southern California, Whitewater Canyon Comment
  RSA678363  Ephedra nevadensis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10502 Riverside West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  SEINET3867752  Ephedra trifurca Elizabeth Neese 1979-4-11 7108 Riverside Ca. 3 mi s of Rue, ca 40 mi nw of Blythe.; 0 Comment
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Jul 19 2015
  RSA740252  Epilobium brachycarpum Scott D. White, Justin M. Wood 2008-7-9 12406 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR17539  Epilobium campestre John C. Roos 1952-5-28 5731 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  RSA448508  Epilobium canum subsp. latifolium N. R. Zabriskie, W. M. Zabriskie 1972-10-22 547 Riverside Cactus Spring Trail between Dolomite mine & Horsthief Canyon; N slope Santa Rosa Mountains. (E of site 13). 1098 Comment
  POM48731  Epilobium ciliatum subsp. ciliatum P. A. Munz, I. M. Johnston 1924-7-29 8830 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  SD137713  Epilobium ciliatum subsp. ciliatum Darin L. Banks 1995-5-3 225 Riverside Cleveland National Forest, Agjua Tibia Wilderness Area; east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA656550  Epilobium pygmaeum A. C. Sanders 2000-5-25 23418 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  RSA381723  Epipactis gigantea Anstruther Davidson 1904-5-1 1087 Riverside Palm Springs. Comment
  UC729656  Epipactis gigantea Carl B. Wolf 1932-5-25 3662 Riverside E. Fork of Snow Creek Canyon No. Base of San Jacinto Mts. (mouth) 670 Comment
  IRVC14074  Equisetum laevigatum B. T. Gittins 1966-5-1 1251 Riverside 6 miles W of Murietta; roadside. Santa Ana Mountains Comment
  SDSU1959  Equisetum laevigatum Graham A. Cribbs 1962-7-28 116 Riverside Taken from meadow adjacent to Lake Hemet in the San Jacinto mountains. 1372 Comment
  POM310568  Eragrostis cilianensis Hulda Crooks 1945-10-1 1100 Riverside San Bernardino. Warm Creek. Comment
  RSA0105846  Eragrostis mexicana subsp. virescens Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR131726  Eremalche exilis C. B. Wolf 1932-4-27 03027 Riverside Western Colorado Desert, Chuckwalla Valley, Mecca to Blythe road [Hwy 10], 0.75 mile west of Utopia 152 Comment
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Dec 12 2011
  POM306731  Eremalche rotundifolia Henry J. Ramsey, Henry J. Ramsey 1938-4-26 I- 7 -II Riverside West of blythe. Comment
  JOTR33990  Eremothera boothii subsp. desertorum La Doux, Tasha, M. Harding 2010-4-7 2878 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA0105461  Eriastrum densifolium subsp. austromontanum J. T. Howell 1927-8-2 574 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  CAS-BOT-BC514473  Eriastrum eremicum subsp. eremicum Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  RSA0120074  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside Corner of Indian Ave. and Ramon Road, Palm Springs. Comment
  GMDRC5830  Eriastrum harwoodii J. M. Andre 2013-3-27 24794 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  JEPS69111  Eriastrum sapphirinum W. L. Jepson 1914-5-25 6072 Riverside San Gorgonio Pass 548 Comment
  UC284208  Eriastrum sapphirinum P. A. Munz 1923-6-14 7103 Riverside Glen Ivy Trail Santa Ana Mts., Santiago Peak 914 Comment
  UCR103902  Eriastrum sapphirinum B. G. Pitzer 1997-4-12 3124 Riverside Lakeview Mtns, Pulsar View Road, c. 1/4 mi. uphill from the base of the hills at the end of Warren Road (very short dirt road leading into hills). c. 1.3 mi. airline SW of Mt. Rudolph (measured from BM 'Nelson'). 549 Comment
  UCR204183  Eriastrum sapphirinum subsp. sapphirinum LeRoy Gross, Duncan Bell 2008-9-16 3581 Riverside Peninsular Range; San Jacinto Mountains, west side of Garner Valley, near Hwy 74, c. 0.25 mi north from Ramona trailhead parking area 1365 Comment
  RSA702740  Ericameria cooperi Scott D. White, Michael Honer 2004-4-6 10047 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  RSA358580  Ericameria linearifolia Larry E. DeBuhr 1972-3-24 533 Riverside Santa Rosa Mts. along forest road 7S02 in San Bernardino National Forest 1768 Comment
  UCR244391  Ericameria linearifolia Jim Andre 2012-4-16 20965 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  RSA0099990  Ericameria nauseosa var. bernardina Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8579 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  SBBG62898  Ericameria nauseosa var. mohavensis J. E. Butner 1948-10-3 657 Riverside San Jacinto Mtns on St Hwy 74 Comment
  OBI42653  Ericameria paniculata D. Hoover 1986-4-7 773 Riverside South of Morongo Valley; area at the main BLM gate; base of the main canyon 549 Comment
  SBBG62855  Ericameria parishii J. E. Butner 1948-10-3 658 Riverside a few mi from Idyllwild Comment
  RSA0086777  Ericameria pinifolia R. G. Swinney 1967-5-26 11732 Riverside Snow Creek. 335 Comment
  UCR116031  Ericameria pinifolia G. R. Ballmer 1997-8-23 s.n. Riverside Jurupa Mtns, Colton Dunes, Declez 'Pass,' (= Pyrite Street pass through the mtns), south of Poplar Street in Fontana, c. 100 m south of the county line 335 Comment
  UCR34962  Ericameria pinifolia L. B. Ziegler 1964-10-12 044 Riverside San Jacinto Mtns, Garner (Hemet) Valley. 1372 Comment
  SD175795  Erigeron bonariensis Richard W. Schaffer 2006-11-17 1262127 Riverside Indio, lawn near Oasis St. Comment
  RSA720457  Erigeron breweri var. covillei Naomi Fraga, Valentine Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1693 Riverside East of Fobes Ranch Road, just south of Fobes Ranch. 1585 Comment
  RSA40569  Erigeron divergens J. C. Roos 1947-4-5 3418 Riverside on stony slope, SE of Pinyon Flats, Santa Rosa Mts. 1372 Comment
  RSA6084  Erigeron foliosus C. B. Wolf 1932-5-25 3667 Riverside Flat at mouth of east fork of Snow Creek, N Base of San Jacinto Mountains 671 Comment
  UCSB10378  Erigeron foliosus Haller, John 1950-5-20 Riverside Base of San Jacinto Mountains, Hemet, Idyllwild Road, opposite Cranston Ranger Station 609 Comment
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Apr 29 2011
  UC63039  Erigeron foliosus var. foliosus H. M. Hall 1901-6-1 2147 Riverside e base, along the borders of Colorado Desert; Southern California, San Jacinto Mountains, Colorado Desert Comment
  UC729659  Erigeron foliosus var. foliosus Carl B. Wolf 1932-5-25 3667 Riverside just above Fish Hatchery; No. Base of San Jacinto Mts., Snow Creek 670 Comment
  RSA69818  Eriochloa acuminata J. C. Roos 1951-9-25 5294 Riverside Riverside 259 Comment
  RSA455026  Eriodictyon crassifolium H. de Forest 1924-4-18 s.n. Riverside Andreas Canyon. Comment
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Nov 17 2011
  SD229192  Eriodictyon crassifolium var. crassifolium Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 901 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  UCR234761  Eriodictyon crassifolium var. crassifolium A. C. Sanders, John F. Green 2012-6-25 40310 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 376 Comment
  UCR235079  Eriodictyon crassifolium var. crassifolium A. C. Sanders, John F. Green 2012-6-1 40234 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, SE of I-15 junction with Horsethief Cyn. Rd., 7 miles N of Lake Elsinore 381 Comment
  RSA783252  Eriogonum J. D. Olmsted 790 Riverside Reservoir Hill, Desert Sun School near Idyllwild, south slope 1646 Comment
  UCR127545  Eriogonum angulosum A. C. Sanders, Mark Elvin 2001-8-17 24597 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  CAS-BOT-BC248617  Eriogonum apiculatum E. L. Peterson 1931-9-5 s.n. Riverside Coldwater Canyon, San Jacinto Mts. 1524 Comment
  IRVC28536  Eriogonum apiculatum G. R. Ballmer 1991-7-11 s.n. Riverside Santa Rosa Mtn Road (Truck Trail going up Santa Roas Mtn.), 12 mi SE of the junction with Hwy 74. W of Deep Canyon. Santa Rosa Mtns. Comment
  RSA65229  Eriogonum apiculatum P. A. Munz 1937-5-30 15110 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  RSA766409  Eriogonum apiculatum Joseph A. Ewan 1928-9-30 1519 Riverside Tahquitz Peak Trail, San Jacinto Mts. 2073 Comment
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Oct 23 2011
  SBBG36970  Eriogonum apiculatum R. Hoffmann 1929-9-10 Riverside Tahquitz Mtn 2286 Comment
  SD28109  Eriogonum apiculatum Carl B. Wolf 1932-8-4 3913 Riverside San Jacinto Mountains. Point View, near Idyllwild 1646 Comment
  CAS-BOT-BC242785  Eriogonum davidsonii James L. Reveal; Caroline G. Reveal 1972-8-9 2852 Riverside San Jacinto Mountains, along California Highway 74 at the turnoff to Idyllwild Mile-Hi Trap Club, about 1 mile west of the junction with Highway 243 Comment
  JOTR31100  Eriogonum davidsonii La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2358 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Side canyon off main wash between Ryan Mtn and Lost Horse Hills, with steep rocky slopes (Stop 4) Comment
  RSA393168  Eriogonum davidsonii P. A. Munz 1922-9-6 s.n. Riverside North of Dark Canyon. 1524 Comment
  UC218108  Eriogonum davidsonii P. A. Munz 1922-6-25 5822 Riverside bet. Hemet Valley and Vandeventer; San Jacinto Mts. 1432 Comment
  UCR238089  Eriogonum davidsonii Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2051 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  UCR13081  Eriogonum elongatum S. R. Szarek 1970-11-14 s.n. Riverside San Jacinto Mtns., along roadside, near turnoff to Twin Pines Ranch Comment
  UCR49110  Eriogonum elongatum J. D. Tenhunen, James C. Dice 1987-9-9 722 Riverside c. 1.6 km NNW of Royal Oak Ranch 380 Comment
  CAS-BOT-BC249955  Eriogonum fasciculatum var. foliolosum Donald A. Johansen 1933-7-14 713 Riverside Mesa Mira Comment
  POM115636  Eriogonum fasciculatum var. foliolosum A. M. Alexander, Louise Kellogg 1941-5-23 2223 Riverside 1.5 miles northeast of Cottonwood Spring, Eagle Mountains. 976 Comment
  CAS-BOT-BC250139  Eriogonum fasciculatum var. polifolium Frank W. Peirson 1919-4-14 1759 Riverside Murray Canon [Canyon], Colorado Desert Comment
  SBBG62113  Eriogonum gracile P. A. Munz, I. M. Johnston 1928-9-12 11253 Riverside Temescal Cyn Comment
  UCR154460  Eriogonum gracile Jason L. Hlebakos 2005-5-30 801 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  POM153369  Eriogonum gracile var. gracile P. A. Munz, I. M. Johnston 1928-9-12 11256 Riverside Temescal Canyon. Comment
  POM158201  Eriogonum gracile var. gracile P. A. Munz, I. M. Johnston 1928-9-6 11284 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  POM153375  Eriogonum gracile var. incultum P. A. Munz, I. M. Johnston 1928-9-12 11253 Riverside Temescal Canyon. Comment
  POM153380  Eriogonum gracile var. incultum P. A. Munz, I. M. Johnston 1928-9-12 11251 Riverside Temescal Canyon. Comment
  SD241928  Eriogonum gracile var. incultum A. C. Sander, John F. Green 2012-6-25 40312 Riverside Peninsular Range; Santa Ana Mountains Region: Temescal Canyon near Hostettler Road south of I-15, narrow canyon draining from vicinity of Palomino Creek Drive at end of Calendula Street (Alberhill 7.5'Q) 387 Comment
  POM2336  Eriogonum gracillimum Jenkins, Street 1917-5-30 1970 Riverside San Jacinto. Comment
  UCD100277  Eriogonum inflatum L. S. Rose 1935-12-30 s.n. Riverside Hot Springs, 7 miles north of Garnet, Colorado Desert. 609 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
  RSA78727  Eriogonum maculatum P. A. Munz 1952-4-15 17344 Riverside Wash ca. 3 mi. west of Monument Peak, Joshua Tree National Monument 1128 Comment
  CAS-BOT-BC270599  Eriogonum molestum James L. Reveal; Caroline G. Reveal 1972-8-9 2866 Riverside Along California Highway 243, 6.5 miles northwest of Alandale Ranger Station and about 0.5 mile south of Bay Tree Spring near the trail to Black Mountain, San Jacinto Mountains Comment
  RSA676036  Eriogonum reniforme Scott D. White 2001-4-11 8292 Riverside Sonoran Desert: Indio Hills foothills / Coachella Valley. Northern terminus f Rio Del Sol Road, about 2 miles north of Thousand Palms. 146 Comment
  RSA0119890  Eriogonum saxatile Duncan S. Bell, Thomas Stoughton 2016-4-12 9221 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  UC1595720  Eriogonum thomasii W. Wisura, J. Dolan, M. Wall 1992-3-24 4617 Riverside on Box Canyon Rd. 4.7 mi ne Mecca Comment
  UC912698  Eriogonum thomasii C. L. Hitchcock 1940-3-31 5890 Riverside between Cottonwood Spring and Pinto Basin Comment
  UCR196356  Eriogonum thomasii Naomi Fraga, Lisa Rojas 2005-2-10 1354 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  POM209431  Eriogonum thurberi S. G. Stokes 1933-7-1 74 Riverside Road to Idyllwild 1220 Comment
  UCR68865  Eriogonum thurberi Steve Boyd, T. S. Ross 1990-5-11 4703 A Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  UC1547002  Eriogonum trichopes Leila M. Shultz, John S. Shultz 1985-4-17 8304 Riverside southern extension of the Big Maria Mountains Big Maria Mountains 97 Comment
  UCR187476  Eriogonum wrightii Theresa Johnson 2006-8-23 272 Riverside Peninsular Range; San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  HSC80294  Eriogonum wrightii var. membranaceum Steve Boyd 1985-10-5 1190 Riverside Harford Springs Co. Park, N edge of Gavilan Plateau, Gavilan Hills, shallow of the Gavilan Creek drainage 610 Comment
  HSC85328  Eriogonum wrightii var. membranaceum Steve Boyd 1985-12-24 1196 Riverside Gavilan Plateau, Gavilan Hills. south of Ida Leona Road 604 Comment
  RSA761869  Eriogonum wrightii var. membranaceum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 647 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA766277  Eriogonum wrightii var. membranaceum Joseph A. Ewan 1928-8-29 1521 Riverside Strawberry Valley. 1646 Comment
  SD173046  Eriogonum wrightii var. membranaceum Juergen Schrenk 2005-10-11 46 Riverside Santa Rosa Mountains, summit of Toro Peak 2650 Comment
  POM224889  Eriogonum wrightii var. nodosum P. A. Munz 1936-5-5 14593 Riverside Whitewater Creek, 2 miles north of main Hwy, northeastern corner of Coachella Valley. Comment
  UC582930  Eriogonum wrightii var. nodosum P. A. Munz 1936-5-5 14593 Riverside 2 mi n main highway; Cochella valley, Whitewater Creek Comment
  UCR145966  Eriogonum wrightii var. nodosum June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  RSA679186  Eriogonum wrightii var. subscaposum Michael Denslow, M. W. Denslow Sr., Naomi Fraga 2003-7-16 1458 Riverside Santa Rosa Mountains, first peak west of Toro Peak. 2617 Comment
  UCR2827  Erioneuron pulchellum F. M. Reed 1927-1-5 5691 Riverside Sonoran (Colorado) Desert, Eagle Canyon, 5 miles east of Palm Springs, south of Cathedral City [= Cathedral Canyon?] 229 Comment
  CAS-BOT-BC298482  Eriophyllum ambiguum var. paleaceum F. W. Peirson 1920-2-16 1387 Riverside Below Murray Canyon, Palm Springs region 274 Comment
  POM31121  Eriophyllum ambiguum var. paleaceum H. M. Hall 1905-4-14 5760 Riverside Palm Springs, in the lower sonoran zone of the Colorado Desert. 150 Comment
  UC62976  Eriophyllum ambiguum var. paleaceum S. B. Parish Apr 1 1896-Apr 10 1896 Riverside Palm Spring Colorado Desert, Palm Spring Comment
  CAS-BOT-BC297336  Eriophyllum confertiflorum H. M. Hall 1901-7-1 2519 Riverside San Jacinto Mts. In the vicinity of Strawberry Valley 1828 Comment
  CAS-BOT-BC297353  Eriophyllum confertiflorum Annie E. Alexander; Louise Kellogg 1941-4-24 2073 Riverside Gorge of Dry Morongo Creek, Morongo Valley 640 Comment
  POM4924  Eriophyllum confertiflorum P. A. Munz 1918-4-27 2156 Riverside Temescal Canyon. Comment
  SDSU20271  Eriophyllum confertiflorum Adrienne D. Russell, Tahirch Linz & Matt Guilliams 2000-4-29 123 Riverside Santa Margarita Ecological Reserve, Temecula, insect trail, mapping project for plant taxonomy class. Comment
  JEPS5397  Eriophyllum wallacei W. L. Jepson 1914-5-18 5995 Riverside e slope Little San Bernardino Mountains (now wiithin Joshua Tree National Monument); , Pinyon Wells Comment
  RSA651095  Eriophyllum wallacei Harold Lint 1958-5-25 2038 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  SEINET7063448  Eriophyllum wallacei A. G. Vestal 1947-3-30 s.n. Riverside San Jacinto Valley Canyon. UTM Zone 11, 515372mE, 3732988mN. (WGS84/NAD83). 599 Comment
  UCR122749  Eriophyllum wallacei George K. Helmkamp, E. A. Helmkamp 1998-4-24 3383 Riverside Santa Rosa Mountains, Palms-to-Pines Hwy (Calif. Hwy 74), 1 mi north of Carrizo Rd near Black Hill 1006 Comment
  UCR178611  Eriophyllum wallacei Mitch Provance, Tracy Tennant 1998-6-16 MOR- 388 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  SBBG120008  Erodium brachycarpum A. C. Sanders with M. Misenhelter 2005-3-23 29247 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  SDSU13351  Erodium cicutarium Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 33 Riverside Santa Margarita Ecological Reserve (SDSU). On the north side of the Santa Margarita river, near the pipe line crossing. 239 Comment
  RSA660656  Erodium cicutarium Carol A. Shideler 1981-4-11 12 Riverside Lake Mathews El Cerrito, E on Cajalco Rd, 6 mi. of Corona .5 mi W of Pacifico Clay Company, mi. 52086.2. Comment
  CAS-BOT-BC54338  Erysimum capitatum Ynez Whilton Winblad 1937-4-23 s.n. Riverside Pines to Palms Highway. Mount San Jacinto. Comment
  SD229286  Erythranthe cardinalis Dick Schwenkmeyer 2012-6-27 747 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  JOTR30146  Eschscholzia La Doux, Tasha 2008-2-4 1711 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  UCR276656  Eschscholzia androuxii Jim Andre 2015-3-6 33562 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
  UCR158857  Eschscholzia caespitosa Scott D. White 1994-6-21 2081 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  HSC16762  Eschscholzia californica C. L. Hitchcock, C. V. Muhlick 1964-3-17 23096 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  RSA33577  Eschscholzia californica N. C. Cooper 1944-6-4 1362 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA747992  Eschscholzia minutiflora Scott D. White, Justin M. Wood 2009-4-28 12614 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UCSB3645  Eschscholzia minutiflora Van Leeuwen, Henry 1957-4-13 Riverside shoulder of Cal Hwy; about 10 miles west of US 60 Comment
  RSA0022892  Eschscholzia papastillii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10881 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  SD258957  Eschscholzia papastillii Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7647 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road. Side canyon forking north from Little Box Canyon, east of Box Canyon. 281 Comment
  RSA0023223  Eschscholzia papastillii P. A. Munz, D. D. Keck 1922-4-9 4876 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 457 Comment
  CAS-BOT-BC419614  Eschscholzia parishii Richard Snow 1952-4-14 11 -1 Riverside Road to Morongo Valley, 7.8 miles from junction with Highway 99/60/70 Comment
  CAS-BOT-BC419647  Eschscholzia parishii Richard Snow 1952-4-14 11 -4 Riverside Road to Morongo Valley, 7.8 miles from junction with Highway 99/60/70 Comment
  RSA676120  Eschscholzia parishii Scott D. White 2001-4-3 8231 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC1202952  Eschscholzia parishii Peter H. Raven 1958-1-25 11478 Riverside Box Canyon Comment
  UCR138571  Eschscholzia parishii Steve Boyd, Orlando Mistretta 1986-3-13 1452 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCSB42164  Eschscholzia parishii Roos, John 1966-3-26 Riverside 2 miles S.E. of Desert Center Comment
  JEPS66858  Escobaria vivipara var. alversonii W. L. Jepson 1912-10-30 5252 Riverside Black Point Riverside Mts., Colorado River (Riverside Mts, expedition along the Colorado River) 45 Comment
  SEINET3840920  Eucalyptus pulchella Unknown 1992-3-1 12039 Riverside Australian section of UCR Botanical Garden, Quadrangle: Riverside East 7.5 366 Comment
  RSA708077  Eucrypta chrysanthemifolia Scott D. White, Angelia Carey 2004-4-16 10191 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 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
  UCR139628  Euphorbia albomarginata A. C. Sanders 2004-6-30 28390 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR235095  Euphorbia albomarginata A. C. Sanders, John F. Green 2012-5-27 40198 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, powerline route west of Valley Substation (on Menifee Rd.), N of McLaughlin Rd. on the E side of San Jacinto Rd 441 Comment
  SD27987  Euphorbia eriantha Carl B. Wolf 1932-4-29 Riverside Eastern Colorado desert, western edge of Maria Mountains, 17 miles from Blythe on Rice Road Comment
  SEINET255215  Euphorbia maculata R. D. Goeden, D. W. Ricker 1965-6-18 Riverside Riverside, north side of Blaine st. just west of Gaga Canal. 313 Comment
  UCR113225  Euphorbia polycarpa A. C. Sanders 1997-11-25 21623 Riverside Skinner/Domenigoni region, S of Hemet, Eastside Reservoir site, at N foot of eastern dam, E end of 'North Hills', c. 0.9 mi. NNE of site of Searl Ranch 530 Comment
  UCR126434  Euphorbia polycarpa var. hirtella T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 51 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
  UCR33700  Euphorbia polycarpa var. hirtella Sears 1978-3-18 947 Riverside Sonoran (Colorado) Desert, 10 mi. SW of Desert Center, 8 mi. south of Interstate Hwy 10 on Red Cloud Mine Road, following mining railroad 457 Comment
  SD215502  Euphorbia prostrata Louis C. Wheeler 1964-10-10 8634 Riverside 3300 Oak Ave. Corona. Comment
  UCR41267  Euphorbia prostrata A. C. Sanders 1982-6-12 2714 Riverside Riverside, residential garden, 422 Campus View Drive 335 Comment
  RSA192162  Euphorbia spathulata E. W. Lathrop 1966-5-15 6323 Riverside Tenaja Guard Station, Trabuco District, Cleveland National Forest. Comment
  UCR31296  Euphorbia spathulata A. C. Sanders, Theo Glenn 1983-4-17 3725 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  CAS-BOT-BC171042  Fagonia laevis Roxana S. Ferris 1939-3-29 9708 Riverside Between Hayfields Reservoir and Desert Center, Indio-Blythe Highway Comment
  CAS-BOT-BC171043  Fagonia laevis Duncan M. Porter 1961-12-28 752 Riverside Ca. 1 mile E of Desert Center on Highways 60 and 70. Comment
  CSUSB331  Fagonia laevis Frank Aubrey 1959-2-4 Riverside 6.3 miles southeast of Midland, in creek bed 100 feet east of highway. Comment
  JEPS43394  Fagonia laevis Dr. L. M. Newlon 1922-4-4 456 Riverside Palm Canyon; San Jacinto Mts. Comment
  RSA123085  Fagonia laevis H. S. Yates 1937-3-23 6441 Riverside 15 miles NNE of Mecca 457 Comment
  RSA278974  Fagonia laevis Barry A. Prigge, L. Martinez 1978-3-23 2428 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA444324  Fagonia laevis Walter Wisura 1988-3-1 4192 Riverside 1.8 mile along Black Eagle Mine Road, Joshua Tree National Monument Comment
  RSA457795  Fagonia laevis Steve D. Boyd, Richard Noyes, S. Meury, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2203 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA796752  Fagonia laevis Jim Andre 2012-4-11 20841 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  RSA439060  Ferocactus cylindraceus Ora M. Clark 1929-3-17 1759 Riverside S. Palm Springs. Comment
  CLARK-A1528-4643  Festuca arundinacea John C. Roos 1950-4-15 4743 Riverside Riverside 259 Comment
  CLARK-A1528-7830  Festuca arundinacea John C. Roos 1949-5-21 4317 Riverside Temecula 304 Comment
  UCR158269  Festuca microstachys A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29493 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
  UCR213574  Festuca microstachys A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37816 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR2403  Festuca microstachys F. M. Reed 1928-7-10 5984 Riverside San Jacinto Mtns, Strawberry Creek at Camp Emerson, Idyllwild 1524 Comment
  JOTR34183  Festuca myuros La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3233 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
  UCR260587  Festuca octoflora A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41556 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Canyon NW of Horsethief Canyon Rd. along DePalma Rd., SE of Glen Eden Rd. and south of the east end of Lee (Corona) Lake, south side of I-15 370 Comment
  RSA594044  Filago californica D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0927 C 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
  UCR44424  Filago californica A. C. Sanders, B. Pitzer 1986-4-30 6485 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  UCR3276  Foeniculum vulgare John Kitasako 1964-5-10 45261 Riverside San Jacinto, side of Main St., 0.25 mi. from intersection of Main St. and Camino Banos 459 Comment
  UC922772  Forestiera pubescens Annie M. Alexander and Louise Kellogg 1940-3-21 891 Riverside 20 mi s Twenty Nine Palms (Parker Dam, end of road); Mohave Desert, Parker Dam 1322 Comment
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May 14 2011
  CHSC8392  Fouquieria splendens Edward L. Smith 1958-3-21 355 Riverside Located 12 mi. e of Indio on hwy. 60, San Bernardino Mt. Range. 304 Comment
  RSA308640  Fouquieria splendens Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3209 Riverside Near Indio. Comment
  UC19171  Fouquieria splendens subsp. splendens H. M. Hall 1902-4-11 2789 Riverside Coyote Canyon Colorado Desert (w borders of Colorado) 152 Comment
  UC672445  Fouquieria splendens subsp. splendens H. L. Mason 1928-3-10 4212 Riverside Hidden Springs Canyon; Coachella Mountains Comment
  JEPS44673  Fragaria vesca Carl V. Meyer Jun 1927 195 Riverside San Jacinto Mt. Comment
  RSA0018454  Frangula californica subsp. cuspidata D. Charlton 1988-5-21 1974 Riverside Thomas Mountain Road, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74. 1829 Comment
  SD73611  Fraxinus dipetala Helen V. Witham 1970-5-1 864 Riverside 10.4 miles south of Hwy 74. Bautista Canyon, southeast of Hemet. 1000 Comment
  RSA717493  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR234255  Funastrum cynanchoides A. C. Sanders, T. B. Salvato 2012-4-27 40098 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, c. 500 m SE of El Hermano Rd. 325 Comment
  JOTR37432  Funastrum hirtellum Hodges, Stephen R., T. Hender 2015-12-29 554 Riverside Joshua Tree National Park. Eagle Mountains, mid way up Dragon Wash, (Stop 2) Comment
  CLARK-A1045-87  Galium andrewsii George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains ca. 2 miles up [east northeast] from Oak Spring; Lake Fulmor 7.5'Q Comment
  UCR135724  Galium andrewsii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9010 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 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
  RSA221062  Galium angustifolium subsp. angustifolium E. W. Lathrop 1966-3-23 6083 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1220 Comment
  SD70482  Galium angustifolium subsp. angustifolium Lauremay T. Dempster, G. L. Stebbins 1966-6-17 4239 Riverside Near Maple Creek crossing of road running due east from Vista Grande Guard Station, San Jacinto Mountains Comment
  UC1536779  Galium angustifolium subsp. angustifolium G. H. True 1935-4-10 220 Riverside Box Springs Sycamore Canyon Comment
  UC1007169  Galium parishii Philip A. Munz 1938-8-13 15334 Riverside rocky slope e Santa Rosa Peak 2377 Comment
  UC1979634  Galium porrigens var. porrigens D. L Banks, Steve Boyd 1995-3-15 0077 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  UCR138808  Galium porrigens var. porrigens D. L. Banks, J. Moreno 1997-2-5 1252 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  LA208441  Galium stellatum var. eremicum Ralph Hoffmann; 1931-6-14 509 Riverside 6 mi S of 29 Palms on road to Gold Park Comment
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Mar 9 2014
  UC64383  Galium stellatum var. eremicum S. B. Parish Apr 1 1896-Apr 10 1896 4078 Riverside Palm Spr. Colorado Desert Comment
  JOTR30285  Garrya flavescens Bell, Mike, Kathleen White 2007-3-20 s.n. Riverside Joshua Tree National Park. Eureka Peak Comment
  CAS-BOT-BC158024  Garrya veatchii James R. Shevock 1976-11-24 5386 Riverside in the chaparral along California highway 74 near El Cariso Station. Santa Ana Mts., Cleveland National Forest 670 Comment
  SBBG89551  Gastridium phleoides J. Adams 1966-4-28 736 b Riverside Santa Rosa Plateau, dirt rd from Murrieta to De Luz 762 Comment
  UCSB45571  Gastridium phleoides Roos, John 1939-5-27 Riverside Reche Canyon Comment
  RSA597515  Gayophytum diffusum subsp. parviflorum Louis C. Wheeler 1945-10-6 6132 Riverside San Jacinto Mountains. Snow Creek and north fork San Jacinto River. 2378 Comment
  RSA586161  Gazania linearis D. L. Banks, Steve Boyd 1995-3-30 0126 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. 633 Comment
  POM47485  Geraea canescens Mary F. Spencer 1920-3-11 1482 Riverside In desert sand, Mecca -60 Comment
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Nov 8 2011
  SJSU10568  Geraea canescens R. C. McGehee 1970-3-4 119 Riverside Mission Sweet Mine Rd at junction with boundary of Joshua Tree National Monument Comment
  UCR148857  Geraea canescens 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
  UCR136265  Geranium carolinianum A. C. Sanders 2004-4-20 27569 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
  POM50215  Geranium richardsonii H. M. Hall 1901-07 2336 Riverside Vicinity of Deer Springs, in damp places. Comment
  POM8327  Geranium richardsonii Mary F. Spencer 1919-6-26 1225 Riverside Idyllwild, San Jacinto Mountains. 1524 Comment
  UCR178845  Gilia Mitch Provance, Tracy Tennant 1998-6-16 MOR- 389 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  UC748762 Image available Gilia abramsii Herbert L. Mason 1926-4-30 3112 Riverside 1 mi s Temecula; Temecula Canyon; Temecula Canyon, Riverside Co. Comment
  RSA0047266  Gilia angelensis J. Mark Porter, Lauren E. Machen 1997-2-15 11425 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  UC1545280  Gilia angelensis Charles B. Fiker 1946-3-6 3334 Riverside in hills between Aguanga and Cahuilla; bet Aguanga and Coahuila [Cahuilla] Comment
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Mar 2 2016
  UCR249826  Gilia angelensis T. B. Salvato, John Lovio 2013-3-19 7364 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  SEINET1909895  Gilia capitata T. B. Salvato, John F. Green 2004-1 559 Riverside San Bernardino Mtns head of Banning (San Gorgonio River) Canyon close to the San Berardino Co. line, 1 mi. SE of Ok conservation Camp. (Forest Falls Q.) 1341 Comment
  SEINET14643485  Gilia diegensis H. M. Hall 1902-1 2913 Riverside Vicinity of Winchester. 457 Comment
  UC879873  Gilia diegensis P. A. Munz and I. M. Johnston 1922-5-20 5484 Riverside Kenworthy San Jacinto Mts., Kenworthy 1402 Comment
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Mar 25 2011
  UCR132927  Gilia ochroleuca John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  JEPS4070  Gilia ochroleuca subsp. exilis W. L. Jepson 1901-5-20 1316 Riverside Thomas Valley San Jacinto Mts., Thomas Valley Comment
  RSA0017280  Gilia ochroleuca subsp. exilis Scott D. White, Steve Ogg 1994-4-21 2004 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  UC908938  Gilia ochroleuca subsp. exilis Herbert L. Mason 1926-4-30 3111 Riverside Temescal Canyon Comment
  UC908944  Gilia ochroleuca subsp. exilis Carl Meyer June 1927 193 Riverside below Saunder's Meadow; San Jacinto Mts., below Saunder's Meadow 1584 Comment
  UCR201504  Gilia ochroleuca subsp. exilis Scott D. White, Justin M. Wood 2008-6-18 12238 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  SEINET4042358  Gilia splendens C. Davidson 1975-1 2813 Riverside 5.4 miles north of alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  RSA469730  Gilia stellata N. C. Cooper 1942-3-21 s.n. Riverside Whitewater Canyon Comment
  RSA799250  Gilia stellata Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 754 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
  UCR244401  Gilia stellata Jim Andre 2012-4-16 20983 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
  RSA585521  Githopsis diffusa subsp. candida D. L. Banks, S. D. Boyd 1995-5-9 0386 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 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
  RSA500118  Gnaphalium californicum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3693 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  RSA584813  Gnaphalium californicum R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61191 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR234762  Gnaphalium leucocephalum A. C. Sanders, John F. Green 2012-6-25 40304 Riverside Peninsular Range; Santa Ana Mtns. Region, small canyon east of Horsethief Canyon Rd., below end of Kicking Horse Dr. & Caravan Circle 389 Comment
  UCR34920  Gnaphalium palustre L. B. Ziegler 1969-6-10 379 Riverside San Jacinto Mtns., Hemet Valley (= Garner Valley) 1433 Comment
  UCR172224  Gnaphalium stramineum John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, unincorporated area along San Diego Aqueduct Corridor, 1 km due west of Skunk Hollow, between Nicholas Rd. and Borel Rd., east of Murrieta Hot Springs 421 Comment
  UCD98877  Grayia spinosa Scott D. White; Justin M. Wood and Paul Kielhold 2009-4-21 12584 Riverside San Bernadino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry. 640 Comment
  RSA778237  Guillenia lasiophylla Duncan S. Bell 2009-3-8 42 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UC55119  Gutierrezia californica H. M. Hall Apr 1903 3799 Riverside vicinity Riverside 396 Comment
  UCR235216  Gutierrezia californica A. C. Sanders, John F. Green 2012-6-1 40242 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  UCR241003  Gutierrezia californica Tracy Tennant 1998-11-24 157 Riverside San Jacinto Valley, western edge of Hemet, near intersection of Stetson Ave. and California Ave. 473 Comment
  UCR250366  Gutierrezia californica A. C. Sanders 2014-4-25 41072 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  CAS-BOT-BC302090  Gutierrezia microcephala Carl B. Wolf 1932-10-13 4313 Riverside Colorado Desert. Eagle Mts. Cottonwood Springs 289 Comment
  LA102373  Gutierrezia sarothrae John C. Roos; 1965-9-26 sn Riverside Santa Rosa Mountains, NE slope of Asbestos Mountain Comment
  SEINET6428806 Image available Haplopappus linearifolius Norman C. Cooper 1944-5-20 1230 Riverside Pine Flats, Palms to Pines Hwy. 1219 Comment
  UCR128243  Haplopappus venetus A. C. Sanders, Kelly Volansky 2003-10-16 27334 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR267160  Harpagonella palmeri Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 18 Riverside Temecula/Murrieta Region, Murrieta, S of Keller Rd., along dirt portion of Menifee Rd. (unmarked), on the old Clydesdale horse ranch 461 Comment
  LA203735  Hazardia squarrosa var. grindelioides A. M. Johnson; 1932-8-18 4139 Riverside San Jacinto Mountains, along road, down Banning side Comment
  SDSU13561  Hazardia squarrosa var. grindelioides W. Miller with C. Mosse 1972-7-12 Riverside R.R. bed 50 yards west of erosion area. Comment
  POM12406  Helenium bigelovii P. A. Munz 1922-9-7 6407 Riverside Meadow N of Tahquitz Valley 2226 Comment
  RSA500113  Helianthemum scoparium var. aldersonii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3698 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UCR48417  Helianthemum scoparium var. aldersonii Steve Boyd 1986-4-22 1745 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  UC32265  Helianthus annuus H. M. Hall 1901-8-1 2649 Riverside Moreno Comment
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Mar 20 2011
  RSA105846  Helianthus niveus subsp. canescens Richard Mallory 1955-4-6 477 Riverside Borrego Desert State Park. Borrego Valley 8 miles east of Christmas Circle. 152 Comment
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Feb 19 2013
  UCR136279  Heliotropium curassavicum A. C. Sanders 2004-6-20 28233 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., wash near I-15 & Temescal Cyn. Rd., west of main clay pit 305 Comment
  UCR135863  Hemizonia A. C. Sanders 2004-4-20 27574 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
  POM122242  Hemizonia fasciculata S. B. Parish 1916-6-8 10973 Riverside Between San Bernardino and Riverside, on the coastal slope of southern California (Cismontane area) 360 Comment
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Sep 3 2011
  RSA192192  Hemizonia fasciculata E. W. Lathrop 1966-5-15 6313 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  UCR140738  Hemizonia fasciculata A. C. Sanders 2004-5-11 27855 Riverside Elsinore Basin Region, Alberhill Mountain, lower south-facing slopes southeast of the clay mining area 450 Comment
  UCR111972  Hemizonia kelloggii A. C. Sanders, T. B. Salvato 2000-5-25 23403 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
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Sep 27 2010
  POM49852  Hemizonia mohavensis P. A. Munz, Johnston 1924-7-29 8880 Riverside Banning Idyllwild Road. 945 Comment
  UCR194232  Hemizonia mohavensis Scott D. White, J. Wood 2006-9-13 11643 Riverside Perris Basin/San Jacinto Mtn Foothills, Gibbel Flat in the Santa Rosa Hills 671 Comment
  RSA711041  Hemizonia paniculata A. C. Sanders, Kelly Volansky 2005-8-31 31597 Riverside Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., ca 0.5 mi. N of Tenaja Rd. 671 Comment
  UCR199947  Hemizonia paniculata Scott D. White, Justin Wood 2008-5-27 12036 Riverside Peninsular Range; Perris-Aguanga Basin, I-215 freeway, between Clinton Keith and Alamos Rds. 457 Comment
  CLARK-A1528-247  Hemizonia paniculata subsp. paniculata R. P. Sunderman 1968-5-6 2 Riverside Riverside 365 Comment
  UCR235053  Hemizonia pungens subsp. laevis A. C. Sanders, John F. Green 2012-5-27 40218 Riverside Peninsular Range; Perris-Aguanga Basin Region, Lake Elsinore, SE of Riverside Dr. (Hwy 74) on NE side of Pasadena Ave., NW of Central Ave. 386 Comment
  RSA180452  Hesperevax acaulis E. W. Lathrop 1965-5-9 5739 -b Riverside 6 miles W of Murrieta. Comment
  UC195036  Hesperocallis undulata Joseph Grinnell 1910-3-17 Riverside Riverside Mountain, Colorado River Colorado River; Riverside Mountain, Colorado River Comment
  RSA192018  Hesperolinon micranthum E. W. Lathrop 1965-5-30 5775 A Riverside 6 miles W of Murrieta. Comment
  UC29094  Heterocodon rariflorum H. M. Hall Jun 1901 2205 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  RSA701644  Heteromeles arbutifolia Keith E. Hoffmaster 1933-12-18 s.n. Riverside Santa Ana Mountains Comment
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May 7 2008
  RSA471573  Heterotheca fastigiata Robert Kessler 1921-1 s.n. Riverside Mt Tahquitz Comment
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Nov 6 2011
  UCR113181  Heterotheca grandiflora A. C. Sanders 1998-1-15 21640 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  UCR18771  Heterotheca sessiliflora subsp. fastigiata John C. Roos 1965-9-26 s.n. Riverside San Jacinto Mtns., Thomas (Garner) Valley Comment
  LA208990  Heuchera caespitosa M. Hilend; 1928-8-7 Riverside Summit- San Jacinto Peak Comment
  UCR24439  Heuchera hirsutissima John C. Roos 1946-8-27 2784 Riverside Peninsular Range, Santa Rosa Mtns 2287 Comment
  RSA432773  Hibiscus denudatus M. B. Dunkle 1935-4-17 4548 Riverside East of Wiley Well, Colorado Desert. Comment
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Dec 14 2011
  RSA432778  Hibiscus denudatus E. C. Jaeger 1922-3-29 730 Riverside Murray Canyon, Colorado Desert Comment
  RSA432781  Hibiscus denudatus Donald Myrick 1968-3-3 1798 Riverside Box Canyon east of Mecca 457 Comment
  UC63099  Hieracium horridum H. M. Hall 1897-8-11 814 Riverside Surprise Lake San Jacinto Mountains, Surprise Lake 2438 Comment
  LA26683  Hilaria rigida William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  SEINET3011912 Image available Hilaria rigida A. C. Sanders 2010-3-23 37544 Riverside Sonoran (Colorado ) Desert; Chuckwalla Valley, at SW foot of Palen Mountains (Sidewinder 7.5' Q.). 130 Comment
  SEINET4585072  Hilaria rigida E. Neese 1979-4-10 7077 Riverside About 25 miles west of Blythe, along I-10 244 Comment
  UCD89947  Hilaria rigida James B. Garner 1959-4-20 USD 1 Riverside 6 miles west of Elyth. Comment
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May 29 2013
  UCD90069  Hilaria rigida Peter H. Raven 1958-5-6 12931 Riverside 10.2 miles southwest of Palm Desert on State Highway 74. San Jacinto Mountains. 762 Comment
  UCSB3082  Hoffmannseggia microphylla Strudy, C. 1957-4-21 Riverside 20 mi. east of Coachella on Route 60 60 Comment
  UCR150022  Hoita orbicularis Scott D. White, Angelia Carey 2004-5-7 10347 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  RSA87061  Hordeum brachyantherum F. W. Peirson 1922-5-18 4336 Riverside Temescal Canyon 320 Comment
  RSA717589  Hordeum depressum A. C. Sanders 2004-5-12 27877 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  CSUSB451  Hordeum leporinum D. L. Heald 1966-5-16 68 Riverside Off the road behind Webber Hall at University of California, Riverside (UCR) in the city of Riverside. 304 Comment
  RSA45205  Hordeum marinum subsp. gussoneanum J. C. Roos, Lucille Roos 1949-5-21 4318 Riverside Temecula. 304 Comment
  UCR79250  Hordeum marinum subsp. gussoneanum Steve Boyd, T. S. Ross 1992-5-4 7176 A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  RSA750753  Hordeum murinum Scott D. White, Justin M. Wood 2009-5-22 12897 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  UCR178301  Hordeum murinum T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 921 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  POM33520  Hordeum murinum subsp. glaucum N. C. Cooper 1944-5-6 1172 Riverside Banning. 701 Comment
  SD181758  Hordeum murinum subsp. murinum Steve Boyd 2001-4-12 10418 Riverside Gavilan Hills: south base of Alberhill Mountain on flats north of Nichols Road and West os pierce Street, in the vicinty of the dite of Tera Cotta Comment
  UCR93192.1  Hordeum murinum subsp. murinum Steve Boyd 1986-4-2 1619 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UC555295  Horkelia cuneata subsp. puberula H. L. Mason 1926-5-2 3206 Riverside Temecula Valley Comment
  CAS-BOT-BC55488  Hornungia procumbens Steve Boyd 1986-4-2 1622 Riverside Gavilan Plateau, Gavilan Hills. Harford Springs County Park. 640 Comment
  JEPS68628  Horsfordia alata Marjorie D. Clary 1930-4-26 Riverside Coachella Coachella Valley Comment
  RSA5897  Hulsea vestita subsp. callicarpha C. B. Wolf 1932-8-5 3970 Riverside Along Trail from Tahquitz Valley to San Jacinto Peak, above the small stream and wet meadow feeding Tahquitz Creek. 2895 Comment
  UCR34976  Hulsea vestita subsp. callicarpha L. B. Ziegler 1972-5-29 466 Riverside San Jacinto Mtns., W slope along Hwy 74 1341 Comment
  UCR132491  Hymenoclea salsola Chet McGaugh 2004-2-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, northern Palm Springs, near the Whitewater River channel, NW corner of Sunrise Way and San Rafael 171 Comment
  UCR166854  Hymenoclea salsola Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  JOTR28945  Hymenoclea salsola var. salsola La Doux, Tasha 2005-3-30 1181 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM13022  Hymenolobus procumbens P. A. Munz 1922-4-29 5120 Riverside Lancaster Valley, s. of Hemet 457 Comment
  SD234894  Hypericum formosum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35632 Riverside Peninsular Range; San Jacinto Mtns.: May Velley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch. 1524 Comment
  UCSB4124  Hypericum scouleri Kamb, Peter 1948-10-31 Riverside Hall Canyon; San Jacinto Mts Comment
  UCR120197  Hypochaeris glabra Mitch Provance 1998-3-6 143 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 351 Comment
  CAS-BOT-BC219751  Hyptis emoryi W. R. Dudley 1903-12-28 s.n. Riverside Near Palm Springs Comment
  LA61596  Hyptis emoryi Joseph Andorfer Ewan; 1929-2-22 3686 Riverside San Jacinto Mountains, Palm Canyon 304 Comment
  PASA1155  Hyptis emoryi M. Stason, F. Brubaker 4/28 Riverside Desert wash - Hidden Springs Comment
  RSA420185  Hyptis emoryi Bonnie C. Templeton 1930-3-22 1642 Riverside Palm Springs. 400 Comment
  SD111918  Hyptis emoryi Barbara Ertter, Jeffery Strachan 1980-5-20 3478 Riverside Pines to Palms Hwy (Hwy 74) near Black Hill between Palm Desert and Santa Rosa Mt. 914 Comment
  UCD124928  Hyptis emoryi G. L. Webster; R. Hildreth 1966-12-9 7458 Riverside Joshua Tree National Monument. 0.3 mi NW Cholla Gardens. 853 Comment
  UCR74381  Hyptis emoryi Theo Glenn 1991-5-2 91- 21 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UCR182535  Ipomoea purpurea Mitch Provance 2003-7-4 4633 Riverside San Bernardino Valley, Riverside, 'Adams Hill', along the N. side of Raintree Ave., 0.2 mi. SW of Adams St., 0.3 mi. SE of Colorado Ave., c. 0.75 mi. SE of the Riverside Municipal Airport 238 Comment
  UCD126497  Ipomoea triloba T. C. Fuller 1962-10-2 9691 Riverside south of Ave. 60, 0.2 mile east of Jackson St., around 6 miles south of Indio. Comment
  CDA34536  Isocoma acradenia Mike Lahti 2009-9-23 PDR# 1501827 Riverside Riverside 0 Comment
  RSA0042207  Isocoma acradenia Joseph Brehm 2014-7-16 s.n. Riverside Collected at Dos Palmas ACEC within Upper San Andreas Oasis, 1 mile south of oasis. Comment
  RSA0009749  Isocoma acradenia var. eremophila Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  UC447187  Isomeris arborea J. Ewan 1931-4-2 9101 Riverside 10 mi n Edom Comment
  UC917897  Isomeris arborea Frank W. Gould 1944-4-5 2237 Riverside 18 mi e Temecula (near road junction) Comment
  POM13836  Iva axillaris subsp. robustior P. A. Munz 1922-7-3 5946 Riverside Vandeventer Flat. 1372 Comment
  UCR127580  Juglans californica D. E. Bramlet 2003-5-28 3454 Riverside San Gorgonio wash, along dirt road to MWD tailings site, 1768m south of Cabazon, and 762m north of the Colorado aqueduct 545 Comment
  CAS-BOT-BC167094  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37150 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  RSA751412  Juglans hindsii R. E. Riefner Jr., K. Campbell 2007-5-19 07 -211 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca. 1.5 mi W of I-15 Fwy. 298 Comment
  CAS-BOT-BC110065  Juncus acutus Elizabeth McClintock 1964-4-8 s.n. Riverside Pushawalla Palms Canyon, Colorado Desert, east of Indio. Comment
  CAS-BOT-BC110072  Juncus acutus L. R. Abrams 1926-3-26 11071 Riverside Palm Canyon. Comment
  UC146453  Juncus acutus subsp. leopoldii H. M. Hall May 1905 5978 Riverside Chuckawalla Springs Colorado Desert Comment
  UCR108825  Juncus balticus O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  RSA368165  Juncus bufonius N. C. Cooper 1944-5-6 2636 Riverside Whitewater Canyon. 457 Comment
  RSA69673  Juncus bufonius F. W. Peirson 1922-4-29 5353 Riverside South of Lake Elsinore. 381 Comment
  RSA785184  Juncus bufonius D. E. Bramlet 1992-4-29 2256 Riverside San Jacinto Valley, 8 km SW of Hemet, NW of the intersection of California Ave. and Stowe Rd., c. 250 ft. north of Stowe Rd. and c. 350 ft. west of California Ave. 456 Comment
  UC842319  Juncus bufonius P. A. Munz 1922-4-29 5063 Riverside 0.5 mi s Lake Elsinore Comment
  UCR202056  Juncus bufonius Karin Cleary-Rose 1998-3-6 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Palmieri property, 25 acre parcel in western Hemet, south of Hwy 74, west of Warren Rd, directly east of the San Diego Aqueduct and c. 500 ft. east of Salt Creek, north of Stetson Ave. 527 Comment
  UCR21523  Juncus bufonius Steve Boyd 1980-4-29 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, c. 0.5 mile NE of the secretary's house 518 Comment
  UCR156615  Juncus bufonius var. congestus T. B. Salvato, A. C. Sanders 2005-5-17 899 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
  RSA198995  Juncus bufonius var. occidentalis Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37448 Riverside Santa Rosa Plateau: Mesa de Colorado 671 Comment
  UC1532809  Juncus bufonius var. occidentalis Robert F. Thorne and Earl Lathrop 1975-5-20 45500 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro 609 Comment
  RSA335007  Juncus effusus subsp. austrocalifornicus Steve Boyd 1985-8-7 1106 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd., 0.8 miles east of junction with 8S01 and 8S02. Comment
  POM14184  Juncus mexicanus Phillip A. Munz 1922-5-18 5324 Riverside 3 miles south of Glen Ivy [now Glen Ivy Hot Springs]. Comment
  RSA0014624  Juncus nevadensis var. nevadensis Phillip A. Munz, I. M. Johnston 1924-7-27 8773 Riverside Deer Springs, San Jacinto Mountains. 2500 Comment
  RSA788095  Juncus rugulosus Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49553 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  RSA559336  Juncus textilis Steve Boyd, Timothy S. Ross 1992-5-15 7406 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
  RSA737215  Juncus torreyi Justin M. Wood 2008-9-30 170 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CLARK-A1528-2669  Juniperus californica John C. Roos 1952-4-16 5541 Riverside Box Springs 457 Comment
  CLARK-A1656-721  Juniperus californica unknown 1981-3-14 Riverside Coachella Valley Comment
  JEPS48239  Juniperus californica W. L. Jepson 1928-4-25 12583 Riverside Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
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Oct 9 2010
  POM310598  Juniperus californica G. Mansfield-Jones 1956-04 s.n. Riverside Joshua Tree National Monument along road to Juniper Flats 1463 Comment
  CAS-BOT-BC234598  Justicia californica Ivan Johnston 1917-4-4 1079 Riverside Near Palm Springs Comment
  JEPS9204  Justicia californica Marjorie D. Clary 1932-12-15 1732 Riverside Bajada 2 mi. w. of Coral Reef Ranch; Colorado Desert, Santa Rosa Mts., Coachella Valley 91 Comment
  OBI20392  Justicia californica Robert F. Hoover 10163 Riverside Dead Indian Canyon Comment
  RSA402304  Justicia californica Christopher Davidson 1973-4-1 1846 Riverside Palm Springs. 488 Comment
  SEINET10437453 Image available Justicia californica Richard Walker 1967-4-30 59 Riverside Palm Desert on south side of Carriage Road ca 2 miles east of state highway 74 (Pines to Palms Highway) Comment
  UC729949  Justicia californica B. D. Stark 1932-6-17 3753 Riverside e. end Box Canyon; Colorado Desert, Eagle Mts., Box Canyon 182 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
  CLARK-A1528-854  Keckiella antirrhinoides Robin Maetche, Geoffrey Matthews, Jim Hearne 1971-5-15 Riverside Elsinore Comment
  OBI32614  Keckiella antirrhinoides Larry Cohen 1969-5-8 s.n. Riverside 4.5 mi S of Barton Rd on Reche Cyn rd dirt road 100 yds beyond Melody Ranch, S side of road 457 Comment
  RSA293254  Keckiella antirrhinoides D. C. Michener 1980-6-11 3669 Riverside Bautista Canyon. Lower Bautista Cyn road [5S14] ca 5.3 mi. southeast of jct to CA 74 near canyon mouth. 800 Comment
  RSA0018940  Keckiella antirrhinoides subsp. antirrhinoides N. R. Zabriskie 1970-3-28 250 Riverside Twin Pines Ranch Rd. east of Banning-Idyllwild Hwy, north slope San Jacinto Mtns. 1172 Comment
  NY786518  Keckiella antirrhinoides var. antirrhinoides C. B. Clokey 1930-4-15 4742 Riverside Perres-Gavilan Peak 650 Comment
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Jul 5 2010
  RSA586103  Keckiella antirrhinoides var. antirrhinoides D. L. Banks, Steve D. Boyd 1995-4-5 143 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of Dripping Springs Alcove, W of the Dripping Springs Trail. 646 Comment
  RSA400463  Keckiella rothrockii subsp. jacintensis M. B. Dunkle 1933-7-19 3686 Riverside Tahquitz Ridge. 2561 Comment
  UCSB26203  Keckiella ternata Gliessman, Stephen 1968-7-17 Riverside on north side of Little Thomas Mountain Road; 2.6 miles north of junction with Highway 74 1524 Comment
  UC1971158  Kickxia elatine Scott D. White June 17-20, 1998 6753 B Riverside Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan / Cajalco Rd. junction south and east to Santa Rosa Mine / Post Rd. junction. USGS Steele Peak 7 1/2' Quad. Comment
  RSA627575  Koeleria macrantha Scott D. White, Julie Greene 1998-8-1 6965 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  UCR201642  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-16 12147 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  SD232265  Krameria bicolor Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinksy 2003-4-17 10464 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
  RSA33613  Krameria grayi N. C. Cooper 1944-7-15 1553 Riverside Palm Springs. 122 Comment
  RSA408601  Krameria grayi G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms. Comment
  UC449697  Krameria grayi E. E. Schellenger 1911-4-25 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs Comment
  RSA630338  Lactuca serriola Scott D. White 1996-9-22 4543 Riverside Nuevo Road near intersection with Wilson Ave., W of the San Jacinto River crossing. 430 Comment
  RSA0123345  Langloisia setosissima subsp. setosissima Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8988 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  POM49025  Larrea tridentata Stephen Grout, Stephen Grout 1902-05 s.n. Riverside Hemet Comment
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Apr 21 2009
  RSA390024  Larrea tridentata George B. Grant 1906-5-1 229 -6724 Riverside Palm Springs, Colorado Desert. Comment
  RSA457779  Larrea tridentata Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2219 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  SEINET4907865  Larrea tridentata H. F. Thut 1971-3-7 s.n. Riverside 10 miles E of Palm Springs. Comment
  SFV2004  Larrea tridentata M. L. Vincent, R. H. Swade 1963-10-19 462 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  UCD107204  Larrea tridentata Geoffrey Levin 1974-1 10 Riverside Chino Canyon below the tramway. San Jacinto Mts. 121 Comment
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Jun 15 2012
  RSA689506  Lastarriaea coriacea Scott D. White, Michael Honer 2003-5-27 9418 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  SEINET7073482  Lastarriaea coriacea A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: WGS84/NAD83. (33? deg. 32' 2" North Latitude; -117? deg. 9' 9" West Longitude. UTM Zone 11, 485829mN, 3710290mN. Coordinate datum: NAD27). Comment
  UCR101839  Lasthenia coronaria B. G. Pitzer 1997-4-1 3061 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  POM13209  Lasthenia gracilis P. A. Munz, I. M. Johnston 1920-5-20 5452 Riverside Hemet Valley, San Jacinto Mts 1372 Comment
  RSA0009796  Lasthenia gracilis Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA405746  Lathyrus splendens B. C. Templeton 1930-4-5 s.n. Riverside Temecula Comment
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Oct 2 2009
  UCR270310  Lathyrus vestitus T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8379 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  POM10364  Lathyrus vestitus subsp. laetiflorus Charlotte M. Wilder 1904-5-13 76 Riverside North side of Jurupa Hills Comment
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Sep 3 2011
  RSA704000  Layia platyglossa Daphne K. Christopher, H. Stevens, Zach Princip 131 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On main gravel road heading away from ranch entrance and private residence driveways. 377 Comment
  UC62907  Layia platyglossa H. M. Hall 1902-4-21 2935 Riverside vicinity Riverside 487 Comment
  UC63243  Layia platyglossa H. M. Hall 1901-6-1 2041 Riverside s side San Jacinto Mountains 1341 Comment
  UC828957  Layia platyglossa P. A. Munz and I. M. Johnston 1922-5-20 5453 Riverside 2 mi below Kenworthy; San Jacinto Mountains 1402 Comment
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Mar 25 2011
  RSA176516  Layia platyglossa subsp. platyglossa Peter H. Raven 1958-5-18 12971 Riverside San Jacinto Mountains; Hemet Meadows Comment
  SD137980  Lemna minuta Darin L. Banks, Steve Boyd 1995-10-17 811 Riverside Northwest Palomar Mts,Agua Tibia Mts, Cleveland National Forest, Agua Tibia Wilderness Area, along lower Arroyo Seco, south of Dripping Springs Campground, along narrow benches where Arroyo Seco turns to the east, just west of the metasedimentary hills. 523 Comment
  UCR121808  Lepidium dictyotum var. acutidens A. C. Sanders, Carolyn Washburn 2001-4-17 24060 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  UC856449  Lepidium fremontii Ira L. Wiggins 1937-3-9 8755 Riverside 5 mi w Shavers Well Comment
  RSA66733  Lepidium lasiocarpum F. W. Peirson 1920-2-15 2834 Riverside Palm Springs, Tahquitz Camp. Comment
  RSA717468  Lepidium lasiocarpum Scott D. White, Andrea Warniment 2006-3-22 11265 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  UCR140329  Lepidium lasiocarpum A. C. Sanders, Guy Bruyea 2004-4-2 27424 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
  UCR165822  Lepidium lasiocarpum John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  JOTR35506  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3193 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  UC809724  Lepidium lasiocarpum var. lasiocarpum Philip A. Munz 1949-4-13 13061 Riverside above Cottonwood Springs (w end of Eagle Mts.); Colorado Desert, Eagle Mts. 1143 Comment
  SBBG92557  Lepidium latifolium D. Mitchell 1990-1-3 Riverside Woodcrest, S of Van Buren and W of Washington; T3S, R5W, S28 Comment
  SDSU14133  Lepidium latifolium Michael G. Simpson, Tax. Cal. Pls. (Biol. 531) class 2002-4-20 2258 Riverside Along north bank of Santa Margarita river, ca. 1/8 mile east of junction with Via Tornado Rd. (from Northside field station). 247 Comment
  UCR116655  Lepidium latifolium A. C. Sanders, Carolyn Washburn 2001-5-10 24243 Riverside Perris-Aguanga Basin, San Jacinto River Valley, south side of intersection of Sanderson Ave. and Ramona Blvd., c. 4 mi. NW of San Jacinto 445 Comment
  UCR216444  Lepidium latifolium Nolan M. Ung 2008-5-20 030 Riverside San Bernardino Valley Region, western Riverside near Pedley, Santa Ana River on the west side of Van Buren Blvd. bridge, north bank of the river 208 Comment
  UCR112320  Lepidium latipes A. C. Sanders, K. C. Rose 1998-5-21 21865 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  UCR98858  Lepidium virginicum var. robinsonii A. C. Sanders, G. Helmkamp 1997-3-15 19997 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA575922  Lepidospartum squamatum Steve Boyd 1994-10-14 8386 Riverside Southern San Mateo Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, in canyon bottom at the confluence with Bluewater Canyon. 329 Comment
  UCR21995  Lepidospartum squamatum Steve Boyd 1980-7-12 334 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  CLARK-A1528-3534  Leptodactylon pungens 1937-7-16 2649 Riverside Little San Bernardino Mountains 1523 Comment
  JOTR16798  Leptodactylon pungens Wanrow, E. 1968-5-20 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  SD119890  Leptosiphon floribundus subsp. glaber Louis B. Ziegler 1973-4-26 518 Riverside San Jacinto Mountains; hillside in lower Bautista Canyon. 533 Comment
  POM128367  Leptosiphon pygmaeus subsp. pygmaeus Thos. Craig 1927-4-23 202 Riverside Glen Ivy. Comment
  RSA162715  Lesquerella tenella J. D. Olmsted 1958-3-29 74 Riverside jct of Cottonwood Pass Road and Cottonwood Spring Road, 8 miles N of Joshua Tree National Monument Southern entrance with interior drainage to the Pinto Basin. 991 Comment
  RSA740921  Lessingia glandulifera var. glandulifera Justin M. Wood, Brandy N. Ulrich 2008-7-14 16 Riverside Garner Valley, near intersection of Fobes Ranch Rd and Hwy 74. 1348 Comment
  SDSU4743  Lessingia glandulifera var. glandulifera Florence Youngberg 1933-8-28 1553 Riverside Idyllwild Pines, San Jacinto Mts. Comment
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Jan 24 2013
  UCR103173  Lessingia glandulifera var. glandulifera Scott D. White, J. Greene, S. Douthit 1996-10-13 4624 Riverside San Jacinto Valley, Eastern foothills of valley (= 'Santa Rosa Hills'), south of Hemet 610 Comment
  UCD72382  Leymus condensatus T. B. Salvato; Kent Beaman 2005-5-16 781 Riverside San Jacinto Mtn. foothills. San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy. 74. 549 Comment
  RSA123492  Leymus triticoides H. S. Yates 1937-6-27 6718 Riverside Near Hemet Reservoir. 1341 Comment
  RSA708047  Leymus triticoides Scott D. White, Angelia Carey 2004-5-7 10350 Riverside Indian Creek and adjacent foothills. 549 Comment
  UC53468  Leymus triticoides Dr. A. Davidson Riverside Banning Comment
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Mar 13 2011
  HSC78994  Lilium parryi K. Berg 1980-7-29 244 Riverside San Jacinto Mtns., James Reserve, Hall Canyon, along Indian Creek 1646 Comment
  POM13003  Limosella acaulis Philip A. Munz, I. M. Johnston 1922-5-19 5430 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  UCR18152  Linanthus bigelovii A. C. Sanders 1978-3-19 525 Riverside Santa Rosa Mtns/Colorado Desert, Deep Canyon Reserve, along the Worley Trail just above the Research Center 427 Comment
  CAS-BOT-BC225694  Linanthus californicus A. M. White 1974-6-5 1370 Riverside Indian Road ca 15 mi. W. Sun City 1219 Comment
  UC879931  Linanthus dianthiflorus P. A. Munz and I. M. Johnston 1922-5-20 5443 Riverside Hemet Valley San Jacinto Mts. 1386 Comment
  UCR227588  Linanthus dianthiflorus Duncan S. Bell, Valentin Arvizu 2010-5-24 1106 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 3.0 air mi southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1386 Comment
  POM126309  Linanthus jonesii R. Craig 1927-4-2 38 Riverside Canyon near hidden spring. Comment
  UCR90409  Linanthus pygmaeus subsp. continentalis D. L. Banks, Steve Boyd 1995-5-9 406 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 738 Comment
  UCR119830  Linum lewisii var. lewisii George K. Helmkamp 1998-6-27 4110 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
  RSA0010982  Lithophragma affine P. H. Raven 1958-5-17 12956 Riverside 7.4 miles south-east of Banning on road to Idyllwild, Sam Jacinto Mountains. Comment
  UCR25991  Lobelia cardinalis John C. Roos 1937-8-23 2402 Riverside San Jacinto Mtns, north base of Mt. San Jacinto, Snow Creek 762 Comment
  RSA0036779  Lobularia maritima Andrew Haimov, April Sleigh 1992-5-28 100 Riverside 125 meters east of Davis Road along main access road to San Jacinto Wildlife Area. 60 meters south of CDF main office building. Comment
  JEPS69808  Loeseliastrum schottii W. L. Jepson 1901-5-22 1360 Riverside Palm Canyon of Mt.San Jacinto (to Van de Venter's) Comment
  JOTR31969  Loeseliastrum schottii La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2206 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  POM127674  Loeseliastrum schottii E. E. Schellenger 1911-4-25 s.n. Riverside Whitewater wash north of Palm Springs. Comment
  RSA468344  Loeseliastrum schottii Robert Gustafson, Gary D. Wallace 1982-5-19 2569 Riverside Pines to Palms Hwy (Hwy. 74), vicinity of Pinyon Flat campground. Comment
  RSA675045  Loeseliastrum schottii Scott D. White 2001-4-27 8416 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  RSA0121171  Logfia filaginoides Duncan S. Bell, LeRoy Gross 2016-3-30 9179 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  SDSU12928  Logfia gallica Jutta Buschbom 1991-6-1 16 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
  RSA343106  Lolium perenne subsp. multiflorum R. F. Thorne, Walter Wisura, E. Lathrop, Sara Meury 1985-5-18 60629 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  SEINET251731 Image available Lolium rigidum Walter Graves 2002-6-11 602 -2 Riverside Grown iat U.C.R. in Agricultural Operations Fields 305 Comment
  RSA452089  Lomatium dasycarpum subsp. dasycarpum N. C. Cooper 1944-6-4 1324 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  POM17511  Lonicera subspicata var. denudata P. A. Munz 1923-6-18 7128 Riverside Temecula Canyon. Comment
  RSA0043379  Lotus crassifolius John F. Emmel 1996-6-16 1411 Riverside San Jacinto Mts.; along Spitler Peak Trail, 0.1-0.2 trail mile west of junction with Pacific Crest Trail. 2072 Comment
  UCR277289  Lotus grandiflorus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3769 Riverside San Jacinto Mountains, San Jacinto River Canyon, lower part of the South Fork Trail (FSR 2E17) close to the San Jacinto River 1195 Comment
  UCR158714  Lotus hamatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30003 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
  POM9228  Lotus hamatus I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  RSA192338  Lotus heermannii E. W. Lathrop 1966-3-20 6066 Riverside 10 miles west of Murrieta on the Tenaja Truck Trail between DeLuz and Tenaja Guard Station, Trabuco District. Comment
  UC15609  Lotus heermannii Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UC62919  Lotus heermannii H. M. Hall Jun 1901 2022 a Riverside s side Shingle Valley; San Jacinto Mountains 1341 Comment
  CLARK-A1528-485  Lotus rigidus John C. Roos 1951-9-25 Riverside Pinyon Crest Comment
  JOTR16686  Lotus rigidus Walters, Jim 1967-3-12 s.n. Riverside Joshua Tree National Park. HIDDEN VALLEY 1280 Comment
  RSA90306  Lotus rigidus F. W. Peirson 1919-4-14 712 Riverside Murray Canyon, near Palm Springs. Comment
  SEINET2042331 Image available Lotus rigidus George K. Helmkamp, E. A. Helmkamp 1998-4-23 3376 Riverside Santa Rosa Mountains; Pinyon Pines along CA-74 between the San Jacinto and Santa Rosa Mountains. 1296 Comment
  RSA90309  Lotus salsuginosus var. brevivexillus F. W. Peirson 1922-4-9 2873 Riverside In canyon eastward from lower part of Palm Canyon. Comment
  UC665832  Lotus scoparius var. brevialatus Ira L. Wiggins 1941-3-27 9699 Riverside 4 mi n Whitewater Comment
  CLARK-A1045-875  Lotus strigosus George K. Helmkamp 1977-3-5 Riverside Santa Ana Mountains along Riverside-San Diego County Line at start of Interstate Highway 215; ; southern oak woodland; Temecula 7.5'Q Comment
  CLARK-A1528-489  Lotus strigosus C. M. Flanagan 1973-4-26 OO 303 Riverside Morongo Indian Reservation 914 Comment
  JEPS29296  Lotus strigosus Rimo Bacigalupi, and L. R. Heckard 1962-3-25 8391 Riverside about 5 mi se Corona (just n of Bedford Canyon, at e base of the Santa Ana Mountains); Santa Ana Mountains 304 Comment
  POM10367  Lotus strigosus Charlotte M. Wilder 1903-3-29 64 Riverside Wilder's Canyon. Comment
  SEINET2062430 Image available Lotus strigosus G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2718 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Chuckwalla Rd. on Graham Pass Rd. Comment
  UC56584  Lotus strigosus H. M. Hall May 1901 1907 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain 1524 Comment
  UCR136253  Lotus strigosus A. C. Sanders 2004-4-20 27547 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
  UCR91409  Lotus strigosus Scott D. White 1995-4-5 2733 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA526497  Lotus strigosus var. hirtellus Steve Boyd, T. S. Ross 1990-5-11 4692 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  POM295530  Lotus strigosus var. strigosus Lyman Benson 1946-4-15 12025 Riverside 2 miles east of Banning 610 Comment
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May 23 2012
  UCR244434  Lotus strigosus var. tomentellus Jim Andre 2012-4-16 20929 Riverside Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center 956 Comment
  SEINET3557308  Lotus tomentellus C. L. Hitchcock 1940-3-29 5854 Riverside Cottonwood Canyon, 100 yards east of Spring Comment
  RSA525445  Lotus wrangelianus Steve Boyd, David E. Bramlet 1990-4-29 4490 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA674547  Lotus wrangelianus Scott D. White 2000-5-1 7754 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UC865543  Lupinus I. W. Clokey and B. C. Templeton 1930-4-9 4727 Riverside Moreno Grade Comment
  RSA590646  Lupinus albifrons var. eminens R. Weatherby 1950-4-13 3021 Riverside Hagador Firebreak Comment
  JOTR32829  Lupinus andersonii La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1553 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  JOTR28884  Lupinus arizonicus La Doux, Tasha 2004-2-24 1119 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  RSA457758  Lupinus arizonicus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2117 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA776936  Lupinus arizonicus Amber Swanson, Duncan S. Bell 2011-3-18 219 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  SD224965  Lupinus arizonicus G. K. Helmkamp 1998-4-4 3099 Riverside Mojave Desert: Dale Lake, 1.8 mi. W of Iron Age Rd & 0.7 mi. N of CA hwy 62 366 Comment
  UC194822  Lupinus arizonicus S. B. Parish May 13, 1916-May 18, 1916 10851 Riverside Cottonwood Springs; Colorado Desert, Cottonwood Springs Comment
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Oct 9 2010
  UCR233175A  Lupinus arizonicus Jim Andre, Glenn L. Clifton 2011-2-22 17433 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  SEINET10837901  Lupinus arizonicus subsp. setosissimus Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6471 Riverside Rice valley, 5.1 miles ssw of rice. T2s,r20e,sec.9. Locally common in sandy Gullies. Petals purple, the banner with yellow or red spots 274 Comment
  RSA612784  Lupinus bicolor D. L. Banks, Victor W. Steinmann 1997-3-13 1418 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
  RSA613660  Lupinus bicolor D. L. Banks, Victor W. Steinmann 1997-3-13 1460 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
  SBBG92279  Lupinus bicolor J. Hirshberg 1989-4-3 Riverside S of town of Murrieta, W of Mesa de Burro, Santa Rosa Plateau 609 Comment
  UC15933  Lupinus bicolor H. M. Hall June 1901 2026 Riverside s side San Jacinto Mountains (San Jacinto Mountains); s side San Jacinto Mountains 1341 Comment
  UCSB37850  Lupinus bicolor Sanders, A. 1980-7-18 Riverside Garner Valley; near the junction of the Thomas Mtn. Rd. with Hwy. 74; about 1 mile SE. of the head of Hemet Lake; T 6S, R 3E, SW1/4 of SW1/4 sec. 10 1341 Comment
  POM350064  Lupinus bicolor subsp. microphyllus Bonnie C. Templeton, J. W. Clokey 1930-4-9 1055 Riverside Moreno Grade, S.W. of Beaumont 600 Comment
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Mar 20 2011
  RSA496384  Lupinus bicolor subsp. microphyllus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3061 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
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May 31 2008
  RSA593978  Lupinus bicolor subsp. microphyllus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0964 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, approximately 20 m N of the gate to the University of California-Emerson Oaks Reserve, at the junction with the road to the local golf course. 426 Comment
  JOTR34141  Lupinus concinnus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3159 Riverside Joshua Tree National Park. NW tip of the Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  POM123545  Lupinus concinnus subsp. optatus Philip A. Munz 1924-5-18 8140 Riverside 18 miles outh of Banning, San jacinto Mts. 1524 Comment
  RSA249455  Lupinus concinnus subsp. optatus John F. Emmel 1973-6-2 458 Riverside Firebreak near highway, on ridge from Dry Creek to Chalk Hill, S of Idyllwild, San Jactinto Mts. 1512 Comment
  RSA356755  Lupinus concinnus var. concinnus R. F. Thorne 1973-5-23 45538 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  LA205090  Lupinus excubitus Elizabeth Levine; 1949-5-22 sn Riverside off the Pines to Palms Highway past Lake Hemet Comment
  JEPS65129  Lupinus excubitus var. austromontanus W. L. Jepson 1901-5-19 1312 Riverside Strawberry Valley Mt. San Jacinto, Strawberry Valley 1676 Comment
  JOTR34171  Lupinus excubitus var. excubitus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 128 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  UCR91657  Lupinus excubitus var. hallii D. L. Banks, Steve Boyd 1995-4-5 146 Riverside Palomar Mtns region, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, west of the Dripping Springs Trail, on terraces of W fork of Arroyo Seco. 573 Comment
  UC1537128  Lupinus hirsutissimus Gordon H. True Jr. 1935-3-11 74 Riverside Box Springs 365 Comment
  UC130314 Image available Lupinus hyacinthinus H. M. Hall 1897-7-22 712 Riverside San Jacinto Mts.; ; Riverside, San Jacinto Mts. 3261 Comment
  SEINET10903865  Lupinus hyacinthinus David B. Dunn 1946-8-18 Dunn 2739 Riverside San jacinto mts., Peak. S slope 200 ft from top. Comment
  RSA0096913  Lupinus microcarpus var. densiflorus R. S. Woglum 1939-4-22 2183 Riverside Peninsular Ranges: Hemet to Anza; San Jacinto Mtns. Comment
  OBI48505  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Pasture and adj dirt rd, Guava St (DeLuz Rd) 0.4 mi S jct. Washington Ave in Murietta Comment
  CSUSB1642  Lupinus sparsiflorus R. Pirot 1975-5-17 Riverside J. F. Road and Highway 74, Homeland 542 Comment
  SD227818  Lupinus sparsiflorus Andrew C. Sanders 1994-5-29 14562 Riverside San Bernardino Mountains: lower Millard Canyon, at first stream crossing on FS Road 2S05 850 Comment
  RSA414820  Lupinus sparsiflorus subsp. sparsiflorus Jack Rempel 1932-5-1 15330 Riverside 1 miles south of Morengo Valley. Comment
  RSA543760  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6060 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR103181  Lupinus succulentus Scott D. White, Julie Greene 1997-3-12 4777 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  CLARK-A1045-884  Lupinus truncatus George K. Helmkamp 1978-6-1 #1 Riverside Santa Ana Mountains roadside; Wildomar 7.5'Q Comment
  RSA414396  Lupinus truncatus E. Crow 1929-4-7 300 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  SD133082  Lupinus truncatus Scott White 1991-5-10 91 148 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  UCR89849  Lupinus truncatus Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3311 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  POM12139  Luzula comosa Mary F. Spencer 1921-6-15 1278 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  RSA428589  Lycium Louis C. Wheeler 1931-11-26 384 Riverside 1/4 mi. SW Salton BM. Sea level. Comment
  RSA770890  Lycium andersonii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4593 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA80345  Lycium brevipes F. W. Peirson 1926-1-31 6493 Riverside Dos Palmas, Colorado Desert. Comment
  UCR269171  Lycium brevipes Duncan S. Bell, Evan Meyer 2014-4-2 6520 Riverside Sonoran (Colorado) Desert, Orocopia Mountains Wilderness Area, southern section of range; c. 1 air mile NW of Canyon Spring 422 Comment
  RSA736732  Lythrum californicum Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10687 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
  RSA678927  Lythrum hyssopifolia Scott D. White, Michael Honer 2003-6-3 9470 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR42412  Machaeranthera cognata J. M. Stewart 1986-1-26 86- 9 Riverside Sonoran (Colorado) Desert, S side of Mecca Hills. 107 Comment
  SD137862  Madia exigua Darin L. Banks, Steve Boyd 1995-5-9 392 Riverside Cleveland National Forest, Agua Tibia W Area, North face Agua TibiaMountain,Dorland Mountain area, west Dripping Springs Alcove,WoodchuckCamp 700 Comment
  JEPS13144  Madia gracilis Carl V. Meyer 1929-6-16 762 Riverside summit of trail between Idyllwild and Keen Camp (n of Saunders Meadow); San Jacinto Mountains 1737 Comment
  SD181691  Madia gracilis Scott D. White, Sandy Leatherman 2000-5-31 7989 Riverside Near Squaw Mountain. 640 Comment
  CAS-BOT-BC514238  Maianthemum stellatum P. A. Munz 1922-7-6 6006 Riverside Tahquitz Valley, San Jacinto Mt., C.F. Baker Herbarium of Pomona College 2194 Comment
  UCR199616  Malacothamnus fasciculatus Scott D. White, Angelia Carey 2004-7-2 10560 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  RSA0087581  Malacothamnus fasciculatus P. A. Munz 1946-10-19 11570 Riverside 3 miles east of Anza 1220 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
  UCR23235  Malacothrix clevelandii J. C. Lyman 1981-5-24 s.n. Riverside San Jacinto Mtns., May Valley Rd. Idyllwild. 1768 Comment
  CAS-BOT-BC347706  Malacothrix glabrata John Thomas Howell 1928-3-25 3550 Riverside 15 miles s. of Palm Springs on road to Indio, Colorado Desert Comment
  HSC49179  Malacothrix glabrata D. L. Goforth 1979-4-11 104 Riverside 1 km N of junction of Hwy. 10 and S entrance road to Joshua Tree National Monument 518 Comment
  RSA124451  Malacothrix glabrata P. C. Everett, E. K. Balls 1958-4-29 23021 Riverside Hwy 60/70, 6.5 miles E from Cactus City 488 Comment
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May 15 2009
  RSA682161  Malacothrix glabrata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10484 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
  SEINET2053780 Image available Malacothrix glabrata B. Pitzer 1988-3-10 654 Riverside W side of Chuckwalla Mtns., on gas line road ca. 1.5 mi. N of intersection with Red Cloud Mine Rd. (& wash); ca. 2 airline miles S of Hwy I-10. 487 Comment
  UCR85143  Malacothrix glabrata A. C. Sanders, G. K. Helmkamp, P. MacKay 1995-3-12 16042 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  RSA339615  Malva parviflora Robert F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51963 Riverside Murrietta Comment
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Apr 24 2011
  UCR166172  Marah macrocarpa John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  RSA404235  Marina parryi M. B. Dunkle 1935-4-17 4550 Riverside East of Wiley Well, Colorado Desert. Comment
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Dec 14 2011
  SD44843  Marina parryi Darley F. Howe 1952-4-28 Riverside 4.0 miles east of Desert Center 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
  RSA0023096  Marina parryi John F. Emmel 1995-4-22 1371 Riverside Valley between McCoy Mts. and Little Maria Mts.; large wash 00.6-0.7 air mile north and 0.9-1.2 air miles east of Black Jack Mine. 265 Comment
  UCR26314  Marsilea vestita John C. Roos 1937-4-10 2072 Riverside Lake Elsinore 366 Comment
  RSA735854  Matricaria globifera Scott D. White, Justin M. Wood 2008-4-15 11877 Riverside Perris Valley: Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  POM305374  Matricaria matricarioides Henry J. Ramsey, Henry J. Ramsey 1938-3-26 644 Riverside Temecula. Comment
  RSA556507  Matricaria matricarioides Julie Greene 1993-4-3 1075 Riverside San Jacinto Wildlife Area. Weedy area by Fence Line Road gate. 441 Comment
  UCR120167  Matricaria matricarioides Mitch Provance 1998-3-5 188 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  RSA651342  Matthiola incana John Edwin Burns 1948-2-25 s.n. Riverside Riverside. 304 Comment
  UCR143014  Medicago lupulina D. L. Crawford, I. M. Johnston 1917-6-9 1234 Riverside San Bernardino Valley/Upper Santa Ana River, Santa Ana River near Corona 152 Comment
  CLARK-A1528-2858  Medicago polymorpha John C. Roos 1952-4-9 5487 Riverside Fairmont Park Comment
  UCR280826  Medicago polymorpha T. B. Salvato, Gregg Miller 2005-6-3 1365 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  POM348040  Medicago polymorpha Ora M. Clark 1929-3-2 1633 Riverside Near Elsinore. Comment
  CSUSB1100  Medicago sativa David H. Eslinger 1970-5-29 Riverside City of Riverside, at University of California, Riverside, 50 meters north and below Picnic Hill, and behind warehouse. Comment
  SDSU13591  Medicago sativa W. Miller Riverside Comment
  RSA594519  Medicago sativa D. L. Banks, Rashmi Pant 1996-5-13 1024 Riverside NW Palomar Mountains; Agua Tibia Mountains; Hwy. 79, E of the Dripping Springs Campground.; Approximately 1.9 km E of the Dripping Springs Guard Station (100 m E of where Hwy. 79 leaves the Forest Service Boundary)., On the S side of Hwy. 79. 487 Comment
  SEINET8721615 Image available Medicago sativa Jean Coulson 1959-1 s.n. Riverside 0.9 mi. W. of Junction of 60 and 79 at side of road, 60, S, side, right next to road. Comment
  CAS-BOT-BC229025  Melia azedarach A. C. Sanders 2012-4-12 40020 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 315 Comment
  RSA660487  Melica frutescens A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23442 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  UCD66801  Melica frutescens F. M. Reed 1920-5-10 4490 Riverside Colorado Desert, Murray Canyon. 457 Comment
  UCR26317  Melica frutescens John C. Roos 1948-5-1 3810 Riverside San Bernardino Mtns., Whitewater 518 Comment
  UCD87741  Melica imperfecta A. A. Beetle 1944-4-27 3001 Riverside West of Murietta. Comment
  UCR109513  Melica imperfecta Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR163584  Melica imperfecta Tracy Tennant 1998-5-27 s.n. Riverside Beaumont Badlands, Dellamont Peak, c. 3.5 miles ESE of Gilman Hot Springs 1159 Comment
  UCR2556  Melica imperfecta F. M. Reed 1905-5-7 742 Riverside Peninsular Range, Box Springs Mtns., spring near summit of Pigeon Pass, Riverside and vicinity Comment
  SD137761  Melilotus indicus Darin L. Banks, Steve Boyd 1995-5-3 188 Riverside Agua Tibia Wilderness Area; north sloope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA549249  Mentha canadensis A. C. Sanders, O. F. Clarke 1991-10-5 11746 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  JOTR33728  Mentzelia albicaulis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2729 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy, braided ephemeral wash flowing northeast (Stop 2) Comment
  RSA554202  Mentzelia albicaulis Theo Glenn 1991-4-9 91 -6 Riverside Big wash in Eagle Mountains 787 Comment
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Mar 4 2013
  UC872424  Mentzelia albicaulis Ira L. Wiggins 1937-3-9 8761 Riverside 5 m w Shaver's Well Comment
  UCR35320  Mentzelia congesta L. B. Ziegler 1967-7-5 178 Riverside San Jacinto Mtns., south slope of Thomas Mountain 1616 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
  OBI12516  Mentzelia involucrata P. A. Holden 1969-4-6 708 Riverside Just W of hwy 62 at ft of Morongo Grade 8 mi W of Desert Hot Springs Comment
  RSA440415  Mentzelia involucrata Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  SEINET3094591 Image available Mentzelia involucrata Norman C. Cooper 1949-4-8 3249 Riverside Mecca Pass E of Indio. 457 Comment
  UC672659  Mentzelia involucrata H. L. Mason 1928-3-10 4192 Riverside White Water River Comment
  UCR244910  Mentzelia involucrata Jim Andre 2012-3-19 21379 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  UCR4133  Mentzelia involucrata Ronald M. Cope 1965-3-20 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., Small canyon on W side of Whitewater Canyon Road c. 2 mi. from trout hatchery. 549 Comment
  RSA282494  Mentzelia ravenii H. J. Thompson 1954-4-24 1613 Riverside 6.6 miles S of road to Lake Mathews on Hwy 71, 11 miles S of Corona, 3.8 miles N of Alberhill. 274 Comment
  UCR214695  Mesembryanthemum crystallinum A. C. Sanders 2010-3-25 37630 Riverside Sonoran (Colorado) Desert; Salton Trough, northeast side of the Salton Sea, Hwy 111 at Mortmar near North Shore (Desert Beach), near Marina Dr. -60 Comment
  RSA556457  Mesembryanthemum nodiflorum Julie Greene 1993-4-30 1261 Riverside San Jacinto Wildlife Area. N of San Jacinto River drainage. 433 Comment
  RSA666649  Micropus californicus A. C. Sanders, Kent Beaman 2002-5-10 25052 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  RSA585784  Micropus californicus var. californicus D. L. Banks, S. D. Boyd 1995-5-9 0397 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  UC2029942  Microseris douglasii subsp. platycarpha Steve Boyd 2001-4-12 10415 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  UCR102896  Microseris heterocarpa A. C. Sanders 1997-4-3 20167 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  UCR116960  Microseris heterocarpa A. C. Sanders, T. B. Salvato 2001-5-3 24109 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR135855  Microseris heterocarpa A. C. Sanders 2004-4-20 27576 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
  UCR144405  Microseris heterocarpa Scott D. White, Michael Honer 2003-4-2 8918 Riverside Peninsular Ranges/Santa Ana Mtns, Temescal Canyon: Alberhill area N of the I-15 Fwy, on and near crest of unnamed mountain, '2349 716 Comment
  UCR180393  Microseris heterocarpa Mitch Provance 2003-4-26 9898 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
  RSA85115  Microseris lindleyi J. C. Roos 1952-4-30 5610 Riverside Between Camp Haan and Riverside 534 Comment
  UCR116413  Microseris lindleyi A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24187 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR241380  Microseris lindleyi T. B. Salvato, Mike Landers 2013-3-21 7385 B Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  LA209115  Mimulus aurantiacus var. pubescens Norman C. Cooper; 1944-5-6 1205 Riverside Banning 701 Comment
  RSA550815  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-15 1063 Riverside Vicinity of Aguaga. 1.0 mi. NW of San Diego Co. line along Hwy 79. 680 Comment
  UC943873  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1894 C Riverside Indian Canyon Truck Trail Santa Ana Mts. 853 Comment
  UC943882  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 F Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  POM305415  Mimulus aurantiacus var. puniceus Henry J. Ramsey, Henry J. Ramsey 1938-5-4 638 Riverside Elsinore Comment
  POM33  Mimulus aurantiacus var. puniceus O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  UC943922  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1890 A Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 792 Comment
  CLARK-A1528-4233  Mimulus bigelovii John C. Roos 1947-2-15 3260 Riverside Hayfield Comment
  UCR279587  Mimulus bigelovii A. C. Sanders, Jim Malusa 2017-3-28 43149 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  JEPS8174  Mimulus bigelovii var. bigelovii Marjorie D. Clary 1932-3-15 1635 Riverside sw Devil's Canyon; Colorado Desert, Santa Rosa Mts. 152 Comment
  JEPS8177  Mimulus bigelovii var. bigelovii Dr. L. M. Newlon 1922-4-4 452 Riverside near Palm Springs; Palm Canyon Comment
  SFV15669  Mimulus bigelovii var. bigelovii D. M. Thompson 1988-3-4 824 Riverside Vicinity of Shaver's Well. 7.3 miles from I-10 interchange along Bax Canyon Road to Mecca. North side of road in broad washes. About 100 yards above the road. 280 Comment
  RSA47935  Mimulus brevipes N. C. Cooper 1943-9-11 924 Riverside Below Idlewild. 915 Comment
  SEINET3079369 Image available Mimulus brevipes Howard Scott Gentry 1947-4-20 7630 Riverside Gentry Farm, 3 miles NE of Murrieta. 396 Comment
  UC1012086  Mimulus brevipes F. W. Pennell and A. L. Grant 1940-4-28 25275 Riverside 7-8 mi e Hemet (Route 74) 548 Comment
  UC310840  Mimulus brevipes Philip A. Munz 1925-5-20 9821 Riverside 2 mi w Dripping Spring 426 Comment
  UCR154644  Mimulus brevipes A. C. Sanders, T. B. Salvato 2005-4-28 29766 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  UC1979601  Mimulus clevelandii D. L Banks, Steve Boyd 1995-5-17 0460 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. Comment
  RSA680492  Mimulus floribundus Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9599 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR114831  Mimulus floribundus Mitch Provance 1998-4-21 1113 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Hill Park, 0.7 km west of Pyrite St. on the north side of Granite Hill Dr. 305 Comment
  UC922769  Mimulus guttatus Annie M. Alexander and Louise Kellogg 1940-3-21 886 Riverside 20 mi s Twenty Nine Palms (at base of Barker Dam); Mohave Desert 1322 Comment
  CLARK-A1528-4270  Mimulus puniceus John C. Roos 1941-5-17 123 Riverside March Field Comment
  UC489213  Mimulus tilingii C. V. Meyer 1928-7-31 598 Riverside Tahquitz Valley San Jacinto Mts. 2286 Comment
  CAS-BOT-BC388774  Minuartia douglasii Steve Boyd 1992-4-15 6855 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 487 Comment
  CAS-BOT-BC174764  Minuartia nuttallii var. gracilis George Robertson 21 Riverside Near Summit of Grayback near Redlands Comment
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Sep 3 2017
  SEINET10845769  Mirabilis J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12850 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  UCR89536  Mirabilis bigelovii Bern Schwenn 1994-4-9 s.n. Riverside southern Mojave Desert, Little San Bernardino mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine 1116 Comment
  SEINET5726346 Image available Mirabilis bigelovii Anne Harrison 1962-1 23 Riverside in rocky soil on east side of canyon, on Whitewater Canyon Road north of U.S. Highway 60, 0.25 mile south of trout farm where road crosses Whitewater River.; Whitewater River Comment
  SEINET186897  Mirabilis bigelovii var. retrorsa P. A. Munz 1940-3-22 15654 Riverside Whitewater Canyon 2 mi N of boulevard to Indio Comment
  SEINET196194  Mirabilis californica LeRoy Abrams 1941-4-22 13875 Riverside Palomar School near Perris Comment
  UCR96876  Mirabilis californica Scott D. White 1993-3-12 1162 Riverside Near Winchester 466 Comment
  RSA770933  Mirabilis laevis Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4960 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
  RSA464821  Mirabilis laevis var. retrorsa M. B. Dunkle 1935-3-31 4432 Riverside Pinto Basin. 915 Comment
  RSA550044  Mirabilis laevis var. retrorsa Walter Wisura, A. King, L. Newcomb 1992-4-10 4663 Riverside Low Desert: Mission Creek Ranch W of Hwy 62 below Morongo Valley Comment
  RSA457753  Mirabilis laevis var. villosa Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2112 Riverside N. end Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  SBBG1884  Mirabilis laevis var. villosa H. and M. Dearing 1936-12-25 2819 Riverside Long Cyn, Colorado Desert Comment
  SBBG1887  Mirabilis laevis var. villosa H. and M. Dearing 1942-3-10 4824 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  SBBG28427  Mirabilis laevis var. villosa D. Myrick 1964-4-30 832 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert 1066 Comment
  RSA735220  Mirabilis multiflora var. pubescens Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11242 -B 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
  UCR22484  Mohavea confertiflora C. S. Jones 1979-3-27 48 Riverside Sonoran (Colorado) Desert, in SE facing canyon about 300 yards from unnamed dirt road approximately 5 mi. north of I-10, 4 mi. west of Desert Center 427 Comment
  UCSB10569  Mohavea confertiflora Gunnerson, Robert 1953-3-22 Riverside 9 miles east of Indio Comment
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Nov 23 2014
  VVC1939  Monardella breweri subsp. lanceolata Tim Thomas, C. Sanders 2008-6-24 4526 Riverside San Jacinto Mtns, May Valley, in south drainage of Tahquitz Peak, ca. 2.8 air miles north of Lake Hemet. 1518 Comment
  RSA699167  Monardella lanceolata J. R. Bruff 1934-6-19 544 Riverside San Jacinto Mountains Comment
  UCR272127  Monardella linoides subsp. linoides Duncan S. Bell 2015-9-30 8668 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  LA57196  Monardella nana Philip A. Munz; 1937-5-31 15114 Riverside at Anza tablet, head of Coyote Canyon, S.W. of Riverside county Comment
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Mar 11 2014
  SDSU7373  Monardella nana R. Harvin 1962-7-28 37 Riverside 2286 Comment
  UCR221471  Monardella nana subsp. arida Elizabeth McClintock 1941-7-21 126 Riverside Peninsular Range; San Jacinto Mtns., trail to Hidden Lake, occuring for some distance along the trail, below the point at which the switchbacks and Salvia pachyphylla begin 2439 Comment
  RSA750290  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 98 Riverside Black Mt. 0.1 mile beyond turn off from Banning-Idyllwild road. Comment
  RSA750307  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 123 Riverside San Jacinto Mountains. Trail to Hidden Lake. Comment
  UCR221472  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 122 Riverside Peninsular Range; San Jacinto Mtns., trail to Hidden Lake, about one mile beyond [Skunk Cabbage Meadow] the cienega 2439 Comment
  RSA797240  Monardella odoratissima subsp. australis Robert F. Thorne, Walter Wisura 1977-9-17 50769 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  CAS-BOT-BC220429  Monardella robisonii C. Epling; Wm. Robison 1935-6-16 s.n. Riverside Keys Ranch, Little San Bernardino Mountains Comment
  POM13770  Monolepis nuttalliana P. A. Munz 1922-4-30 5124 Riverside Lakeview. Comment
  CAS-BOT-BC349796  Monoptilon bellioides Javier Penalosa 1963-4-10 2779 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  JEPS24431  Monoptilon bellioides Peter M. Ray 1949-3-6 1329 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  RSA701041  Monoptilon bellioides Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11285 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  RSA717618  Monoptilon bellioides Scott D. White, Andrea Warniment Edwards 2006-3-22 11270 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  RSA730041  Monoptilon bellioides R. F. Thorne 1973-3-30 42677 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 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
  UC63199  Monoptilon bellioides H. M. Hall May 17 1901-Jun 1 1901 1836 Riverside e base San Jacinto Mt.; Colorado Desert 762 Comment
  CAS-BOT-BC502083  Muhlenbergia microsperma A. C. Sanders; Jim Malusa 2015-3-11 41398 Riverside Sonoran (Colorado) Desert: Chocolate Mtns, Gasline Rd at jct with road to Observtion Point Slats, US Navy Chocolate Mtns Aerial Gunnery Range 723 Comment
  CHSC61257  Muhlenbergia microsperma J. Lund 1980-4-3 Riverside One mile west of Corn Spring on the side of an unimproved road in a wash. 487 Comment
  JEPS20765  Muhlenbergia microsperma Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13241 Riverside Hwy US 95 11.3 mi n Blythe (wash arising in mts.); Big Maria Mts. Comment
  RSA586811  Muhlenbergia microsperma D. L. Banks, Steve Boyd 1995-5-3 249 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  CLARK-A1528-4762  Muhlenbergia richardsonis Alfred R. Roos 1937-8-19 10679 Riverside San Jacinto Mountains Comment
  RSA91746  Muhlenbergia rigens F. W. Peirson 1921-3-23 2373 Riverside Deep Canyon south of Coachella Valley 335 Comment
  SEINET3887720  Muilla clevelandii N. Duane Atwood, L. Stritch 1993-4-2 17901 Riverside Santa Rosa Plateau TNC Preserva and adjacent to BLM administrated lands.; 0 671 Comment
  UCR125283  Myoporum laetum A. C. Sanders 2003-1-14 25664 Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, Santa Ana River 220 Comment
  UCR216955  Myosurus minimus Ana Hernandez, Kim Sparks 2010-3-17 014 Riverside Perris-Aguanga Basin, San Jacinto Valley, Salt Creek, 125m east of Warren Rd. 460 Comment
  UCR114958  Myosurus minimus subsp. apus Fred M. Roberts 1992-4-25 4872 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  UCR266313  Myosurus minimus subsp. apus D. E. Bramlet 1991-5-3 2114 Riverside Perris-Aguanga Basin region, west of Hemet, Stetson Ave. 457 Comment
  UCR274937  Myosurus minimus subsp. apus John F. Green 2008-7-9 s.n. Riverside Peninsular Range, Menifee Valley, east of Briggs Rd. and north of Holland Rd. 438 Comment
  SEINET3099344 Image available Myriophyllum spicatum G. Rink, M. Baker, T. Thomas. M. Honer, A. Karl 2010-10-2 10333 a Riverside Private. Canal two miles north of Blythe. 70 Comment
  RSA0121058  Nama demissa Duncan S. Bell, Thomas Stoughton 2016-3-16 8944 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  UCR30093  Nama demissa George K. Helmkamp 1983-4-5 483- 40 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UC69319  Nama demissa var. demissa L. A. Greata Apr. 1905 Riverside Coachella Comment
  RSA796336  Nama hispida Duncan S. Bell 2009-4-18 198 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
  GMDRC5513  Nama hispida var. spathulata J. Andre 2012-3-19 21340 Riverside Chuckwalla Valley: along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of Jct with I-10 freeway 157 Comment
  RSA575976  Narcissus tazetta Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills region, upper Arroyo del Toro along old road grad west of Bull Canyon Road. 610 Comment
  CAS-BOT-BC260106  Nassella pulchra Steve Boyd 1986-5-7 1829 Riverside Alberhill Mountain: Lower slopes of S flank, just E of claymine area Comment
  POM13628  Navarretia capillaris E. C. Jaeger 1921-7-1 1046 Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR88170  Navarretia fossalis Karen Kirtland 1992-5-20 s.n. Riverside Perris-Aguanga Basin, San Jacinto River at a planned development called Rancho del Rio, south of Nuevo Rd. and east of Dunlap Dr. 433 Comment
  RSA627853  Navarretia hamata A. C. Sanders 1994-5-30 14591 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  RSA191425  Navarretia hamata subsp. hamata E. W. Lathrop, R. F. Thorne 1967-9-26 6604 Riverside 6 miles NW of Murieta, Riverside Co. Tenaja Road a the pass enterring valley leading to Tenaja Guard stst. Comment
  JEPS57952  Nemacaulis denudata var. gracilis Dr. L. M. Newlon 1922-4-5 462 a Riverside e Palm Springs; San Jacinto Mts. Comment
  NY323703  Nemacaulis denudata var. gracilis S. B. Parish 1896-4-4 4140 Riverside Palm Springs, (Agua Caliente) desert base of San Jacinto Mountain 152.4 Comment
  RSA0026115  Nemacaulis denudata var. gracilis Jim Andre, G. L. Clifton, Ron Kelley 2013-3-21 24394 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  RSA65002  Nemacaulis denudata var. gracilis F. W. Peirson 1917-4-1 1780 Riverside Palm Springs. Comment
  UC472767  Nemacaulis denudata var. gracilis Mary F. Spencer 1918-4-13 806 Riverside Palm Springs Colorado Desert 125 Comment
  RSA727601  Nemacladus glanduliferus var. orientalis Naomi Fraga, Lisa Rojas 2005-2-10 1390 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA728346  Nemacladus longiflorus var. breviflorus G. D. Wallace, M. Z. Wallace 1982-3-27 1895 Riverside Whitewater River, Indian Ave. 2 mi. S of San Bernardino county line, W of Joshua Tree National Monument, NW of Desert Hot Springs. Comment
  SD137820  Nemacladus longiflorus var. breviflorus Darin L. Banks, Steve Boyd 1995-5-3 222 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia mountain, east of the Dripping Springs Alcove Area. 500 Comment
  UCR85603  Nemacladus orientalis Theo Glenn 1991-5-2 91- 31 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  RSA523536  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3995 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SBBG101661  Nemacladus ramosissimus S. Boyd 1991-5-20 6260 Riverside Temescal Cyn, S flank of Alberhill Mtn, W end adjacent to old clay mine area 426 Comment
  RSA733947  Nemacladus rubescens Keith E. Hoffmaster 1935-3-31 593 Riverside Palm Springs Comment
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Aug 27 2011
  SEINET10461110 Image available Nemacladus rubescens Harvey M. Hall 1905-4-17 Hall 5819 Riverside Indio Mountain; type of Nemacladus adenophorus Parish 150 Comment
  RSA421336  Nemophila menziesii Elbert Benjamine 1929-5-18 220 Riverside San Jacinto Mt. 1677 Comment
  SEINET7073396  Nemophila menziesii A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR165916  Nemophila menziesii T. B. Salvato, John F. Green 2004-5-27 557 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 1402 Comment
  UCR16823  Nemophila menziesii var. integrifolia S. Nelson 1974-5-2 2 Riverside San Bernardino Mtns., Banning Canyon 1524 Comment
  UCR35124  Nemophila menziesii var. integrifolia L. B. Ziegler 1968-5-1 280 Riverside San Jacinto Mtns., at Chimney Flats 1468 Comment
  RSA770860  Nemophila menziesii var. menziesii Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4928 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
  CLARK-A1528-549  Nemophila pedunculata C. M. Flanagan 1973-4-26 OO 311 Riverside Morongo Indian Reservation 914 Comment
  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
  RSA38410  Nicolletia occidentalis P. A. Munz 1946-10-21 11602 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1296 Comment
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Sep 25 2011
  JEPS12281  Nicotiana attenuata Carl V. Meyer 1928-7-26 523 a Riverside right above Dutch Flat (Hannah's sawmill); San Jacinto Mts. Comment
  UC127305  Nicotiana attenuata unknown Aug 1901 838 Riverside San Jacinto Mts. 1524 Comment
  UCR193977  Nicotiana attenuata A. C. Sanders 2008-7-25 35912 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  RSA614411  Nicotiana glauca D. L. Banks 1997-3-16 1544 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
  JOTR30057  Nicotiana obtusifolia La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1690 Riverside Joshua Tree National Park. Stop #1 = Near Geology Tour rd., N of Malapai Hill 1267 Comment
  RSA0125266  Nicotiana obtusifolia Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8762 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting near the Martinez Slide, approximately 4 air miles northeast of the summit of Martinez Mountain. 264 Comment
  RSA0018754  Nicotiana obtusifolia I. M. Johnston 1917-4-4 s.n. Riverside Colorado Desert: Palm Canyon. 305 Comment
  UCR20781  Nicotiana quadrivalvis A. C. Sanders, Steve Boyd 1980-5-2 1387 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  JOTR29586  Nolina parryi Andre, Jim 2006-4-26 6779 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  IRVC18323  Notholaena californica Gordon A. Marsh, K. G. Marsh 1977-3-21 s.n. Riverside Santa Ana Mtns: Orange/Riverside county border; Bear Springs. Peninsular Ranges Comment
  JEPS19053  Notholaena californica subsp. californica Marjorie D. Clary 1932-3-20 Riverside Mission Creek, NW of Garnet 609 Comment
  LA206121  Oenothera avita subsp. avita Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  RSA654568  Oenothera bistorta Melinda M. Cude, Ken Godrey 1977-5-14 s.n. Riverside Hwy 71; 1 mile north of ranger station along riverbed. Comment
  JOTR16763  Oenothera californica subsp. avita Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO STUBBE SPRING 1341 Comment
  RSA263905  Oenothera californica subsp. californica C. W. Tilforth 1976-5-22 1208 Riverside Along Miliken Ave. in NW Riverside Co. Comment
  RSA0004528  Oenothera decorticans var. condensata P. A. Munz 1926-1-31 9960 Riverside Dos Palmos Spring, Colorado Desert Comment
  RSA719068  Oenothera deltoides Michael Honer 2005-3-18 2098 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  HSC101250  Oenothera deltoides subsp. deltoides Jim Andre 2012-3-19 21350 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  POM355308  Oenothera deltoides subsp. deltoides Douglas Bothwell 1934-3-31 s.n. Riverside Valle Vista, Hemet. Base of San Jacinto Mtns Comment
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Mar 27 2011
  POM355589  Oenothera deltoides subsp. deltoides Gale Sphon 1955-5-15 s.n. Riverside 5 miles north of Cathedral City. Comment
  RSA144927  Oenothera deltoides subsp. deltoides J. W. MacSwain, R. W. Thorp 1959-3-7 59 -47 Riverside 2 miles west of Hopkins Well. Comment
  RSA75419  Oenothera deltoides subsp. deltoides F. W. Peirson 1922-4-6 782 Riverside Near the White Water Bridge, head of Coachella Valley. Comment
  UCR263649  Oenothera deltoides subsp. deltoides David Fraker, Aaron C. Sedgwick 2012-3-22 015 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  UCR40267  Olea europaea Steve Boyd 1985-7-23 1004 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 5.5 mi west of Rancho California 396 Comment
  JEPS20749  Oligomeris linifolia Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13242 Riverside Highway U.S. 95, 11.3 mi n Blythe (in wash arising in Big Maria Mts.); in wash arising in Big Maria Mts. Comment
  SBBG4040  Oligomeris linifolia H. and M. Dearing 1941-4-9 4626 Riverside near Mecca Comment
  SD27990  Oligomeris linifolia Carl B. Wolf 1932-4-28 3072 Riverside Colorado Desert. Chuckawalla Valley. 20 mi. west of Blythe on the Mecca Road 121 Comment
  UC420668  Oligomeris linifolia Jos. Burtt Davy 1902-3-25 7945 Riverside Indio Comment
  CLARK-A1528-513  Olneya tesota C. W. Tilforth 1967-6-5 120 Riverside Blythe Comment
  JOTR32328  Olneya tesota Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Open, sandy bajada adjacent to Pinto Basin road and near south park boundary Comment
  RSA0035854  Oncosiphon piluliferum R. E. Riefner Jr. 2012-3-31 12 -63 Riverside city of Hemet, north of Florida Avenue and south of West Devonshire Avenue and east of Meyers Street 462 Comment
  SEINET7249214  Oncosiphon piluliferum R. E. Riefner Jr. 2012-1 12 -63 Riverside City of Hemet, N. of Florida Ave. and S. of W. Devonshire Ave., and E. of Meyers St. 461 Comment
  SEINET848397  Opuntia X occidentalis C. B. Wolf, P. C. Everett 1938-1 3355 Riverside 9 miles fsrom Temecula on raod to Aguanga; fork of Temecula Wash Comment
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Aug 11 2013
  RSA5407  Opuntia bigelovii var. bigelovii C. B. Wolf 1932-10-12 4301 Riverside Northwest end of Pinto Basin, about 4 mi east of El Dorado Queen Mine. 915 Comment
  CAS-BOT-BC56226  Opuntia polyacantha var. erinacea C. B. Wolf; P. C. Everett 1938-9-29 9458 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  POM278509  Opuntia polyacantha var. erinacea H. G. Rush 1950-5-10 116 Riverside 5 miles NW of Nightingale along Palms to Pines Hwy.; Santa Rosa Mts. 1524 Comment
  UC68716  Orobanche cooperi H. M. Hall Apr 1905 5836 Riverside Colorado Desert near Salton; Colorado Desert -30 Comment
  RSA0072129  Orobanche cooperi Robert F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52060 Riverside Palms to Pines Highway. Comment
  RSA82119  Orobanche cooperi subsp. cooperi F. W. Peirson 1930-3-29 8692 Riverside At foot of Painted Canyon, lower Coachella Valley. Comment
  RSA0070484  Orobanche cooperi subsp. cooperi Christopher Davidson 1979-4-4 7707 Riverside Orocopia Mts. Box Canyon on Box Canyon Rd., 5.9 mi. E of Mecca. Narrow side canyon running south from Box Canyon. 304 Comment
  RSA402102  Orthocarpus purpurascens var. purpurascens Christopher Davidson 1973-4-1 1829 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  UC2030130  Oxytheca caryophylloides Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38137 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Woods above James Reserve. Comment
  RSA78288  Oxytheca trilobata P. A. Munz, E. K. Balls 1952-8-21 17967 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1372 Comment
  UC534898  Oxytheca trilobata Susan G. Stokes 1934-7-1 312 Riverside San Jacinto Mt. 1219 Comment
  PASA2619  Paeonia brownii Sally Ellis 1940-3-18 Riverside Dripping Springs Comment
  UC1979663  Paeonia californica Darin L. Banks, Steve Boyd 1995-3-15 66 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  RSA763994  Palafoxia arida Justin M. Wood, D. M. Ray 2010-10-21 3003 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  SBBG15848  Palafoxia arida H. Yokoyama 1953-3-22 141 Riverside Morongo Cyn Comment
  SFV4388  Palafoxia arida F. M. Ball 1964-1-4 66 2 Riverside San Bernardino Mountains About 16 miles east of Banning on main highway to Indio. Whitewater turnoff on east side of Whitewater Canyon. 450 Comment
  UCD134870  Palafoxia arida James B. Garner 1959-3-19 428 Riverside 20 miles south of Vidal Junction, toward Blyth. Comment
  UCR124639  Palafoxia arida B. C. Templeton, I. W. Clokey 1930-4-9 1006 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR148299  Palafoxia arida 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
  JEPS34754  Palafoxia arida var. arida I. W. Clokey 1935-4-17 6838 Riverside e Shafer Wells; Colorado Desert; [Shaver's Wells] Comment
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Apr 24 2011
  RSA773116  Palafoxia arida var. arida Thomas Stoughton, Jackie McConnaughy, Andrew Monks 2010-12-1 722 Riverside Coachella Valley Preserve. Ca 0.25 mile E of road. Site no. 3. 305 Comment
  UC1595689  Palafoxia arida var. arida W. Wisura, J. Dolan, and C. Demme 1992-4-13 4680 Riverside on Box Canyon Road 4.7 mi ne Mecca; Low Desert Comment
  UCSB9697  Palafoxia arida var. arida Leeuwen, Henry 1957-4-13 Riverside On shoulder of Cal. Hwy. 195 about 10 miles west of U.S. 60 Comment
  SD193036  Panicum acuminatum var. acuminatum Scott D. White, Justin Wood 2007-4-16 11653 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 334 Comment
  LA8568  Panicum hirticaule Marcus E. Jones; 1929-9-16 sn Riverside Desert Center Comment
  UCR113159  Panicum miliaceum A. C. Sanders, Tracy Tennant, A. Montalvo, B. Wagner 1997-11-20 21622 Riverside South of Hemet, North Hills (N side of Diamond/Domenogoni Valley), near future saddle dam of reservoir 549 Comment
  SEINET10788752  Panicum urvilleanum Sarah E. Youngstrom, J. Travis Columbus 2007-5-23 Youngstrom 2 Riverside S of Whitewater, Northern San Jacinto Mountains 100-200 m S of Hwy 111, on NE aspect, steep slope sand deposits on base of mountains. 311 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
  RSA516425  Papaver californicum Walter Wisura 1990-5-2 4432 Riverside Ortega Hwy, at lower switchbacks above Lake [Elsinore] . Comment
  CAS-BOT-BC274188  Pappostipa speciosa Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  RSA716382  Parietaria hespera var. hespera Scott D. White 2006-4-27 11303 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  RSA613955  Parkinsonia aculeata A. C. Sanders 1994-7-25 15159 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge. 244 Comment
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Jul 2 2007
  UCR235049  Parkinsonia aculeata A. C. Sanders, John F. Green 2012-5-27 40212 Riverside Peninsular Range; Perris-Aguanga Basin Region, eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris 441 Comment
  CAS-BOT-BC389657  Parkinsonia florida Deidre Conocchioli; Duncan S. Bell 2014-3-11 151 B Riverside Devil Canyon in the Santa Rosa Wilderness area. W of Coachella Valley, 3 miles S of Lake Cahuilla 110 Comment
  SBBG68552  Parkinsonia florida M. N. Ackley -Apr-1928 608 Riverside Coral Reef Ranch, Coachella Valley -12 Comment
  UCR244308  Parkinsonia florida Jim Andre 2012-4-15 20852 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  RSA709112  Pectis papposa Scott D. White, Justin M. Wood 2005-9-27 11230 Riverside San Gorgonio Pass: Cabazon: Alluvial benches and braided dry channels south of Interstate 5 [I-10] and west of San Gorgonio River. 579 Comment
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Mar 18 2012
  UCR274780  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-5 065 Riverside Mojave Desert, Alligator ACEC. Desert Center Exit off Hwy I-10., to Granite Mine 399 Comment
  SD247366  Pectocarya anisocarpa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41475 Riverside San Gorgonio Pass; 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10. 445 Comment
  UCR116663  Pectocarya anisocarpa A. C. Sanders, Carolyn Washburn 2001-5-10 24235 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  POM368804  Pectocarya heterocarpa Robert M. Perkins, H. de Forest 1938-4-18 s.n. Riverside 24 miles W of Indio. Comment
  RSA0121029  Pectocarya heterocarpa Duncan S. Bell, LeRoy Gross 2016-3-29 9109 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA0124035  Pectocarya heterocarpa Duncan S. Bell, LeRoy Gross 2016-3-10 8880 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  RSA760784  Pectocarya heterocarpa Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-3-30 112 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  SD28017  Pectocarya heterocarpa Carl B. Wolf 1932-4-27 3041 Riverside Colorado Desert, Mecca to Blythe Road, 3/4 mile west of Utopia 149 Comment
  UCR106413  Pectocarya linearis Scott D. White 1995-4-5 2718 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  UCR133686  Pectocarya linearis Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR149845  Pectocarya linearis Scott D. White, Michael Honer 2004-4-6 10053 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  CHSC100694  Pectocarya linearis subsp. ferocula Naomi Fraga; Lisa Rojas 2005-2-10 1423 Riverside Colorado Desert; Northeastern Colorado Desert region: Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  RSA0013702  Pectocarya penicillata LeRoy Gross, Grace Cho 2013-4-9 5997 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
  UCR201454  Pectocarya penicillata Scott D. White, Justin M. Wood 2008-6-5 12082 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  UCSB36130  Pectocarya platycarpa Roberts, Dar 1980-3-26 Riverside 1 mile south southern entrance to Joshua Tree National Monument; 1/4 mile E. Rd. 750 Comment
  CLARK-A1045-209  Pectocarya recurvata George K. Helmkamp 1979-4-18 Riverside Indio Hills along Dillon Road; Lost Horse Mtn. 15'Q Comment
  UCD120134  Pectocarya recurvata Geoffrey Levin 1976-3-27 688 Riverside Chino Canyon, west of Palm Springs, alluvial fan of the San Jacinto Mountains. 396 Comment
  SD247369  Pectocarya setosa A. C. Sanders, Steve Boyd, et al. 2009-4-9 36790 Riverside Peninsular Range; Santa Ana Mountains; Elsinore Peak, ca. 0.4 mile SE of the summit.\ 1014 Comment
  UCR104692  Pedicularis densiflora G. F. Pratt 1998-2-5 s.n. Riverside Peninsular Range, Big Oak Mountain, north of Vail Lake, near the summit of peak on N side. 915 Comment
  UCR261101  Pellaea andromedifolia Joseph Cahill 2011-1-29 111- 18 Riverside San Bernardino Mountains/Sonoran Desert, Whitewater Canyon Road, c. 2.2 miles north of Hwy 10 518 Comment
  JOTR30214  Pellaea mucronata var. mucronata Leary, C. and Leary, Pat 1979-5-5 2989 Riverside Joshua Tree National Park. On west facing slope above Lower Covington Flats, Joshua Tree National Monument; T2S R7E sec 6 Comment
  RSA585636  Pellaea mucronata var. mucronata Darin L. Banks, Steve Boyd 1995-3-15 71 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  UC669245  Pellaea mucronata var. mucronata Annie M. Alexander and Louise Kellogg 1941-3-23 1993 Riverside Tahquitz Canyon Palm Springs 170 Comment
  RSA771794  Pennisetum setaceum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4471 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64309 487 Comment
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Sep 9 2012
  UCR226913  Pennisetum setaceum Jim Andre 2011-2-2 16214 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  POM12686  Penstemon X parishii E. C. Jaeger 1921-6-13 s.n. Riverside Mc Mullin Trail. 1220 Comment
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Apr 4 2011
  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
  RSA33785  Penstemon centranthifolius N. C. Cooper 1944-5-20 1312 Riverside Pine Flats, Palms to Pines Highway, San Jacinto Mountains. 1220 Comment
  RSA97214  Penstemon centranthifolius R. M. Straw 1953-6-23 472 Riverside North of Fulmor Lake, Idyllwild to Banning Rd. Comment
  SD229289  Penstemon grinnellii var. grinnellii Dick Schwenkmeyer 2012-6-27 756 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  UC27466  Penstemon labrosus H. M. Hall July, 1901 2506 Riverside vicinity Strawberry Valley (San Jacinto Mountains, Southern California); San Jacinto Mountains, vicinity Strawberry Valley 1584 Comment
  JEPS11104  Penstemon rostriflorus Marjorie D. Clary 1932-7-4 968 Riverside 10 mi sw Kenworthy (Santa Rosa Mts.); , sw of Kenworthy 1371 Comment
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Nov 1 2011
  UC1329888  Penstemon thurberi James E. Cole 1941-6-14 892 Riverside near junction of Queen Wash and Lost Horse Wash (Joshua Tree National Monument); Joshua Tree National Monument 1219 Comment
  CAS-BOT-BC71577  Pentagramma triangularis subsp. maxonii Lewis S. Rose 1966-12-14 66109 Riverside Chino Canyon, 3 mi. W of Palm Springs 670 Comment
  CAS-BOT-BC355987  Perityle emoryi F. H. Billings 1926-2-6 14 Riverside Andreas Canyon near Palm Springs Comment
  JOTR36474  Perityle emoryi La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3442 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  RSA471855  Perityle emoryi Christopher Davidson 1973-4-1 1841 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  RSA471863  Perityle emoryi W. D. Pierce 1940-2-24 s.n. Riverside Painted Canyon, Orocopia Mts. Comment
  RSA599948  Perityle emoryi L. C. Wheeler 1959-12-27 7650 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  UCD134885  Perityle emoryi David Charlton 1988-2-18 1121 Riverside Alluvial Fan, south side of Little San Bernardino Mountains. Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park, parallel to I-10. 1 mile east of Jct Dillon Road and Fargo Canyon Road. 609 Comment
  RSA652291  Petalonyx thurberi Harold Lint 1952-2-25 s.n. Riverside Base of Palms to Pines Hwy. Comment
  SD181450  Petalonyx thurberi Scott D. White 2001-4-27 8420 Riverside Colorado desert, Shavers Valley, near the I-10 Freeway, ca. 15 miles east of the Indio junction of I-10/SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station; Cottonwood Basin [quad]. 395 Comment
  UCR172747  Petunia parviflora Robert Cox, Chris E. True 2005-6-2 s.n. Riverside Perris-Aguanga Basin, SE of Perris Reservoir; Off Ramona Expressway c. 1.5 mi. west of Davis Road. Near San Jacinto River Channel and buried gas line 433 Comment
  UCR23256  Petunia parviflora John C. Roos 1952-5-28 5728 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  SBBG81716  Peucephyllum schottii S. A. Junak 1983-3-23 1633 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UC1007199  Peucephyllum schottii Philip A. Munz 1940-3-23 15664 Riverside road to Dale to Cottonwood Springs (s base of Pinto Mts.); Pinto Mts. 609 Comment
  RSA93142  Peucephyllum schottii Alice Yates, Jas E. Wilcox 1954-1-29 s.n. Riverside 3 miles N of Desert Hot Springs 396 Comment
  UCD166239  Phacelia Jack Major 1962-4-16 774 -bd Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  POM13312  Phacelia ambigua E. C. Jaeger 1921-5-20 1076 Riverside Palm Springs. Comment
  POM13912  Phacelia ambigua P. A. Munz, D. D. Keck 1922-4-9 4759 Riverside Shavers Well, near Mecca. 76 Comment
  RSA74172  Phacelia ambigua F. W. Peirson 1920-2-16 971 Riverside Palm Canyon Stream, Near foot of Alkali Canyon east of Palm Canyon, Riverside County. Comment
  UCR232389  Phacelia ambigua var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 8056 Riverside Sonoran (Colorado) Desert, north edge of Palo Verde Mesa, 150 m south of McCoy Wash, 5.3 km WSW of Mesaville Siding, and 6.1 km north of Blythe Airport 137 Comment
  UCR35127  Phacelia brachyloba L. B. Ziegler 1966-7-14 072 Riverside San Jacinto Mtns., Hemet (Garner) Valley 1463 Comment
  RSA427701  Phacelia campanularia N. C. Cooper 1944-5-21 11266 Riverside San Jacinto Mountains, west side. 1220 Comment
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Nov 26 2011
  SBBG25054  Phacelia campanularia D. Myrick 1966-4-2 1333 Riverside upper end of Aqueduct Rd, SE of Desert Hot Springs Comment
  JEPS1113  Phacelia campanularia subsp. campanularia S. Walker 1937-3-24 Riverside Deep Canyon Santa Rosa Mountains Comment
  RSA799077  Phacelia campanularia subsp. campanularia Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6873 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  UCR214908  Phacelia campanularia subsp. campanularia Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12586 Riverside San Bernardino Mountains, ridgeline east of Whitewater Canyon, c. 2 miles north of town of White Water (Hwy I-10), near Super Creek Quarry 747 Comment
  SEINET7096698  Phacelia cicutaria A. G. Vestal 1962-4-8 s.n. Riverside In bushes ca. 3.5 miles northeast of Lake Elsinore. NAD27, 33? deg. 42' 56ao, -117?_ 18' 09ao (converted to WGS84 decimal degrees) UTM Zone 11 471978mE, 3730462mN. Comment
  RSA427681B  Phacelia cicutaria var. hispida W. P. Burger 1979-4-28 66 Riverside Along Carancho Road, just past where stream crosses road, Hidden Valley. 366 Comment
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Jan 11 2016
  OBI26128  Phacelia crenulata David J. Keil 1976-12-12 11906 Riverside Ca. 5 mi E of Indio along I-10 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
  JOTR33951  Phacelia cryptantha La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2837 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
  CAS-BOT-BC133968  Phacelia distans Geo. B. Grant 1906-4-20 6780 Riverside Palm Springs Comment
  CHSC35344  Phacelia distans James Henrickson 1973-3-18 8600 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  RSA543790  Phacelia distans Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6067 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
  RSA555478  Phacelia distans D. Charlton 1988-2-18 1183 Riverside Alluvial Fan, S side of Little San Bernardino Mtns, Fargo Canyon road to Cottonwood wash, S of Joshua Tree National Par, Parallel to I10. 1 mile E of Jct Dillon Road and Fargo Canyon road. 610 Comment
  SDSU6604  Phacelia distans Marjorie Collier 1951-3-25 Riverside 5 miles northeast of Palm Springs on dry brushy hillside, roadside. Comment
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Jan 30 2013
  UCR194823  Phacelia distans Scott D. White 2006-4-27 11298 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  UCR91406  Phacelia distans Scott D. White 1995-4-5 2721 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCR265825  Phacelia imbricata Mitch Provance 2012-5-24 512- 06 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  SEINET3158182  Phacelia ivesiana E. E. Schellenger 1905-3-12 sn Riverside Paloverde Valley Comment
  CAS-BOT-BC145044  Phacelia keckii John Thomas Howell 1931-5-30 6611 Riverside Santiago Peak, Santa Ana Mts. 1219 Comment
  RSA33574  Phacelia minor N. C. Cooper 1944-5-21 1266 Riverside San Jacinto Mountains, west side. 1220 Comment
  RSA428080  Phacelia minor Robert Gustafson 1983-4-18 2503 Riverside Clinton Keith Rd. about 2.5 miles from its junction with Hwy 15, eastern slopes of the Santa Ana Mtns. 457 Comment
  RSA516417  Phacelia minor Walter Wisura, Bart O'Brien, T. Hayduk 1990-5-2 4426 Riverside Ortega Hwy. below switchbacks, near Lake Elsinor. Comment
  RSA770852  Phacelia minor Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4936 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
  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
  UCR155324  Phacelia minor A. C. Sanders, Mike Misenhelter 2005-3-23 29256 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR167818  Phacelia minor A. C. Sanders 2005-4-21 29578 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR258748  Phacelia minor T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7904 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UCSB9694  Phacelia minor Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon 2 miles from U.S. 60 Comment
  UCR116418  Phacelia ramosissima A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24188 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR241638  Phacelia ramosissima T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 348 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  CAS-BOT-BC145002  Phacelia ramosissima var. latifolia Edmund C. Jaeger 1925-5-2 s.n. Riverside Keyes Water Canyon, Box Springs Mtn. Comment
  POM10401  Phacelia ramosissima var. latifolia Charlotte M. Wilder 1903-4-23 165 Riverside Wilder s canyon, Jurupa Hills, near Riverside. Comment
  CSUSB153  Phacelia tanacetifolia David M. Peterson 1966-3-13 660313 1 Riverside Six miles south of Morongo Valley, on 29 Palms Road. 304 Comment
  RSA512170  Phalaris minor Ed LaRue 1989-4-21 s.n. Riverside Moreno valley, University of California agricultural experimental farms, ca. 1/2 mi. S of Alessandro Blvd. at NE corner of Catus Ave. & Nason Street. Comment
  UCR126974  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2003-5-9 26590 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  CAS-BOT-BC128867  Philadelphus microphyllus E. K. Balls 1955-9-20 21443 Riverside Above Dark Canyon, up from end of trail, w. slope San Jacinto Mts. 2606 Comment
  SEINET10739282  Phoradendron californicum J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12847 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  RSA500092  Phoradendron macrophyllum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3218 Riverside Vail Lake Area, at N end of Kolb Creek, near campground. 457 Comment
  RSA698148  Phoradendron macrophyllum J. Vlahos 1934-01 s.n. Riverside Ortega Highway Comment
  CAS-BOT-BC260906  Phragmites australis W. R. Dudley 1903-12-29 s.n. Riverside Palm Springs Comment
  UCR200324  Phragmites australis Steve Boyd 2007-4-20 11721 Riverside Peninsular Ranges: Perris-Aguanga Basin, southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of 'Walsh Canyon,' c. 0.5 mi from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia adzedarach and across from driveway leading to 26875 Walsh Road 549 Comment
  POM305653  Physalis crassifolia Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1013 Riverside Aguanga. Comment
  RSA0094187  Physalis crassifolia Duncan S. Bell, Evan Meyer 2014-10-29 7686 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
  UC494395  Physalis crassifolia C. L. Hitchcock 1932-4-7 12201 Riverside Corn Springs; e Riverside County Comment
  UCR178595  Physalis crassifolia R. G. Swinney 1967-5-26 142 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  RSA718292  Physalis crassifolia Michael Honer, L. Hulse 2004-4-2 1873 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  RSA0126964  Physalis philadelphica R. E. Riefner 2017-5-18 17 -260 Riverside City of Hemet, E. of Winchester, N of Simpson Road, E. of San Diego Aqueduct, W of active agricultural fields. 467 Comment
  CDA33911  Picris echioides Mike Lahti 2010-9-2 PDR# 1358813 Riverside Murrieta; 0 Comment
  MACF019470  Pinus coulteri Trudy R. Ericson 1974-11-9 264 Riverside St. 243 from Banning to Idyllwild at intersection with Vista Grande Road, San Bernardino National Forest 1554 Comment
  RSA384332  Pinus flexilis George R. Johnstone 1928-9-8 s.n. Riverside Mt. San Jacinto, Calif. Wind swept timber. 3288 Comment
  RSA0094892  Pinus halepensis A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41732 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 395 Comment
  UC64552  Pinus lambertiana H. M. Hall 1902-4-16 2884 Riverside w side Tahquitz Pk.; San Jacinto Mountains 2499 Comment
  CAS-BOT-BC170425  Pistacia atlantica A. C. Sanders 1994-5-15 14480 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River 400 Comment
  UCR104804  Pityrogramma triangularis var. triangularis George K. Helmkamp, E. A. Helmkamp 1998-1-7 2559 Riverside San Jacinto Valley, 4.7 mi. SE of Florida Ave. (Hemet) on Bautista Rd. 701 Comment
  UCR107884  Pityrogramma triangularis var. triangularis B. G. Pitzer 1997-3-23 3000 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  RSA645324  Plagiobothrys acanthocarpus Steve Boyd, Ian Gillespie 2000-4-15 10301 Riverside Gavilan Hills region: South flank of Alberhill Mountian, just east of the heavily mined area., Near 34 deg 42' 43.5''N 117 deg 22' 39.0''W 463 Comment
  CLARK-A1045-185  Plagiobothrys bracteatus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  RSA507506  Plagiobothrys canescens Steve Myers 1988-6-4 s.n. Riverside Rancho California area, E of Winchester Road, between Auld Rd. & Borel Rd 396 Comment
Read comments
Mar 20 2011
  RSA715761  Plagiobothrys canescens A. C. Sanders 2005-4-22 29598 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  UC480644  Plagiobothrys canescens Philip A. Munz 1927-5-21 10833 Riverside Coahuila Valley 1219 Comment
  UC76139  Plagiobothrys collinus Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR97723  Plagiobothrys collinus Scott D. White 1997-2-9 4675 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  UCR93039  Plagiobothrys collinus var. californicus Steve Boyd 1986-4-2 1595 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SD181656  Plagiobothrys collinus var. fulvescens Scott D. White 2000-5-1 7751 Riverside Corona: Western foothills of Santa Ana Mts. Near Bedford Canyon. 351 Comment
  UCR241802  Plagiobothrys jonesii A. C. Sanders, Ann Howald 2013-2-28 40565 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  UCR263653  Plagiobothrys jonesii David Fraker, Aaron C. Sedgwick 2012-3-22 029 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  HSC3768  Plagiobothrys nothofulvus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23082 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  RSA613474  Plagiobothrys tenellus D. L. Banks, Victor Steinmann 1997-3-13 1447 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
  POM368995  Plagiobothrys undulatus Christopher Davidson 1977-5-25 5641 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  UCR222298  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55209 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
  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
  CLARK-A1528-3426  Plantago insularis John C. Roos 1949-3-26 4123 Riverside Indio Comment
  RSA0035040  Plantago insularis var. fastigiata A. N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Coachella. Comment
  UCR1612  Plantago major R. G. Barber 1962-5-3 57 Riverside City of Riverside, near drainage ditch on UCR grounds at 4808 Chicago Avenue. Comment
  UC450059  Plantago ovata Ivan Johnston Apr 4 1917-Apr 6 1917 1006 Riverside near Palm Springs; Colorado Desert 152 Comment
  UCR214427  Plantago ovata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37497 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
  RSA278493  Plantago ovata var. fastigiata John F. Emmel 1977-3-28 555 Riverside Large wash just NW of Sand Draw Siphon, ca. 10 air miles W. of Rice, SE Mojave Desert. 274 Comment
  SBBG7271  Plantago ovata var. fastigiata H. and M. Dearing 1940-1-1 4036 Riverside E side of Salton Sea at N end Comment
  UCR167982  Plantago patagonica T. B. Salvato, John F. Green 2004-5-27 643 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
  UCR201435  Plantago patagonica Scott D. White, Justin M. Wood 2008-6-17 12193 Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  RSA0124389  Platanus racemosa Duncan S. Bell 2016-4-16 9337 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA596160  Platanus racemosa D. L. Banks 1996-11-7 1213 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  CAS-BOT-BC91886  Platystemon californicus W. R. Ernst 1958-5-2 278 Riverside About 2 miles north of Temecula along Highway 395. Comment
  UC167985  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UC2029972  Platystemon californicus S. D. White, Bill La Haye 2000-5-27 7946 Riverside SAN JACINTO MOUNTAINS: Baldy Mtn. area. Comment
  RSA775945  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 955 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  RSA780237  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-12 94 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  UC589872  Pleuraphis rigida H. S. Yates 1937-3-23 6424 Riverside 5 mi nw Edom; Thermal Quad., nw of Edom Comment
  CAS-BOT-BC326636  Pleurocoronis pluriseta D. A. Johansen; J. A. Ewan 1932-4-12 7107 Riverside Devils Canyon above Coachella Valley, Colorado Desert Comment
  CLARK-A1528-1104  Pleurocoronis pluriseta John C. Roos 1946-10-26 3141 Riverside Chuckwalla Mountains 487 Comment
  UC336756  Pleurocoronis pluriseta J. G. Lemmon Riverside Colorado Desert side of San Jacinto Peak San Jacinto Peak Comment
  UCR227002  Pleurocoronis pluriseta Jim Andre 2011-2-2 16223 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  SD193039  Pluchea sericea Scott D. White, Angelia Carey 2004-6-4 10482 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence. 502 Comment
  SEINET248152 Image available Poa annua Cindy Roche, R. C. Korfhage 2005-1 Riverside Adventive in lemon orchard about 1 mile east of Mecca, north of the Salton Sea. -43 Comment
  UC1713243  Poa annua unknown April 1917 Riverside Riverside Comment
  POM10498  Poa annua Anonymous 1909-03 s.n. Riverside Chicago Ave. Comment
  RSA741223  Poa pratensis Scott D. White, Justin M. Wood 2008-5-15 12011 Riverside Johnson Meadow. 1415 Comment
  UCD91779  Poa secunda subsp. secunda F. W. Peirson 1919-4-12 1551 Riverside Tahquitz Camp, Palm Springs, Colorado Desert. Comment
  UCR138891  Poa secunda subsp. secunda D. L. Banks 1997-4-5 1673 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UCR201626  Polygonum aviculare Scott D. White, Justin M. Wood 2008-6-16 12139 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  RSA430215  Polygonum persicaria D. Thomason 1987-7-7 s.n. Riverside Lake Cahuilla, Coachella Valley. Comment
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Feb 9 2009
  UCSC001088  Polypodium hesperium Peter Kamb 1947-10-4 2 Riverside Snow Creek, San Jacinto Mt. Comment
  UCR102866  Polypogon monspeliensis A. C. Sanders 1997-3-19 20064 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  UCR42327  Polypogon monspeliensis N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 172 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, 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 489 Comment
  IRVC162  Polystichum imbricans subsp. curtum Lorene Lewton 1965-4-24 HS 552 Riverside Highway 74; 1 mile WSW of Mountain Center. Peninsular Ranges, San Jacinto Mountains Comment
  POM12944  Polystichum imbricans subsp. curtum P. A. Munz, I. M. Johnston 1922-5-19 5392 Riverside Keen Canyon, San Jacinto Mountains. 1524 Comment
  RSA520948  Polystichum imbricans subsp. curtum Steve Boyd, Dave Bramlet 1988-10-8 2873 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  SDSU13615  Populus balsamifera subsp. trichocarpa W. Miller, C. Mosse Riverside Comment
  UCR128248  Populus fremontii A. C. Sanders, Kelly Volansky 2003-10-16 27339 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  RSA753027  Populus nigra A. C. Sanders, D. L. Sanders 2008-9-27 36107 Riverside Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. and Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  CAS-BOT-BC356155  Porophyllum gracile Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring Comment
  RSA717463  Porophyllum gracile Scott D. White 2006-4-28 11320 Riverside Elsinore Basin: Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  UC1543099  Porophyllum gracile Donald G. Nelson 1936-5-22 393 Riverside on trail down to stream in Palm Spring Canyon; Ribbon Wood Camp, Pines to Palms Highways, Santa Rosa Mounta Comment
  CAS-BOT-BC233729  Portulaca halimoides John Roos; Lucille Roos 1952-10-18 5900 Riverside Hidden Valley Campground, Little San Bernardino Mts. 1219 Comment
  RSA769630  Potamogeton E. W. Lathrop 1969-6-5 7083 Riverside 8 miles west of Murrieta, on the Main Divide Truck Trail between Tenaja Road and Los Alamos Canyon 610 Comment
  CAS-BOT-BC453922  Potamogeton pectinatus Lathrop; Thorne 1967-9-26 6623 Riverside 6 mi. NW of Murrieta Comment
  SD229257  Potentilla gracilis Dick Schwenkmeyer 2012-6-27 759 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  UCR201672  Potentilla gracilis var. fastigiata Scott D. White, Justin M. Wood 2008-6-19 12280 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  LA34850  Prosopis glandulosa var. torreyana Mary V. Hood; 1940-11-24 40- 192 k* Riverside N Aguanga 548 Comment
  SD211455  Prosopis glandulosa var. torreyana Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-15 1216 Riverside 30 miles west of Blythe near Palen Dry Lake. About two miles south, southeast from the north end of Palen Dry Lake. Access the area from the Corn Springs exit from I-10. Comment
  SEINET10489774  Prosopis glandulosa var. torreyana David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-16 Dunn 2863 Riverside Pushawalla Canyon, Indio Hills. Shelf of canyon on the W side and below the main Palm group. Comment
  UC61550  Prosopis pubescens Miss Mary McKibben May 1904 Riverside Mecca -60 Comment
  UCD108198  Prosopis pubescens Richard Bates 1949-4-26 s.n. Riverside Cathedral Canon, southeast of Palm Springs. Comment
  LA208074  Prunus emarginata Harlan Lewis; 1937-6-4 sn Riverside San Jacinto Mountains, Idyllwild 1523 Comment
  JOTR32147  Prunus fasciculata var. fasciculata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2303 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA453241  Prunus fremontii E. Crow 1929-2-24 172 Riverside Andreas Mesa, SW Palm Springs. Colorado Desert. Comment
  SBBG71044  Prunus fremontii R. C. and J. R. Robbins 1933-2-15 Riverside Tahquitz Cyn Comment
  SEINET3076903 Image available Prunus fremontii W. H. Earle 1977-1-14 Riverside Rte 74, 10 mi S of Palm Desert, Santa Rosa Mountains. 945 Comment
  UCR114953  Prunus ilicifolia D. E. Bramlet 1999-4-10 2734 Riverside Bachelor Mountain. North facing slope 152m northwest of the peak on a steep, bouldery face of the mountain and within the large drainage area found on this slope, approximately 1.5km north of Lake Skinner 726 Comment
  SD137634  Prunus ilicifolia subsp. ilicifolia Darin L. Banks, Peter Morrell 1995-5-4 298 Riverside Cleveland National Forest, Agua Tibia Wilderness area. N slope of Agua Tibia Mtn., E of the Drip[ping Springs Alcove Area, along the Woodchuck Trail 548 Comment
  SDSU9179  Prunus ilicifolia subsp. ilicifolia Samuel R. Frank 1962-5-23 Riverside Lower San Jacinto Mtns. Comment
  SD212715  Prunus virginiana var. demissa T. B. Salvato, John F. Green 2004-5-27 606 Riverside Head of Banning (San Gorgonio Canyon) Canyon close to the San Bernardino County line, 0.5 miles Southeast of Oak Glen Conservation Camp 1402 Comment
  CLARK-A1528-4851  Psathyrotes ramosissima John C. Roos 1947-2-1 3227 Riverside Painted Canyon Comment
  OBI15568  Psathyrotes ramosissima Robert F. Hoover 1966-10-15 10159 Riverside Dead Indian Crk wash, S of Palm Desert Comment
  POM6913  Psathyrotes ramosissima P. A. Munz, Williams, Street 1919-3-28 2382 Riverside Between Palm Springs & Indio 183 Comment
  SBBG62543  Psathyrotes ramosissima F. M. Reed 1927-3-18 Riverside Salt Crk Wash, N of Salton Sea Comment
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Jul 30 2006
  UC1007175  Psathyrotes ramosissima Philip A. Munz 1940-3-23 15670 Riverside road from Dale to Cottonwood Springs (s base of Pinto Mts); Pinto Mts. 609 Comment
  UCD135007  Psathyrotes ramosissima Lewis S. Rose 1959-1-12 59010 Riverside Cathedral City. 121 Comment
  UCR92367  Psathyrotes ramosissima F. M. Reed 1927-3-18 5403 Riverside Sonoran (Colorado) Desert, Salt Creek Wash, north of Salton Sea 122 Comment
  UCSB38387  Pseudognaphalium californicum Ferro, Margaret 1970-5-20 Riverside 1/2 mile west of Riverside city dump 457 Comment
  CAS-BOT-BC474732  Pseudognaphalium leucocephalum R. E. Riefner, Jr. 2015-8-20 15 -334 Riverside Temescal Valley, S of Temescal Canyon Rd. N of I-15 Freeway, ca. 0.8 mi W of Horsethief Canyon Rd., opposite from entrance to Corona Lake (Lee Lake) 370 Comment
  CLARK-A1045-174  Psilocarphus brevissimus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains along road; drying mud of vernal pools; Wildomar 7.5'Q Comment
  UCR266318  Psilocarphus brevissimus D. E. Bramlet 1991-4-29 2076 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
  RSA713572  Psilocarphus tenellus var. globiferus R. E. Riefner 2005-4-22 05 -239 Riverside Patton Rd. at Patterson Ave. 452 Comment
  UCR93569  Psilostrophe cooperi P. J. Leary 1975-5-14 1187 Riverside Sonoran (Colorado)-Mojave Desert Transition, Hexie Mtns, Joshua Tree National Monument 1098 Comment
  UCSB3073  Psorothamnus arborescens Eriksen, C. 1954-4-29 Riverside 3 mi. W of Morongo Valley along Hwy. Comment
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Oct 22 2014
  CAS-BOT-BC340895  Psorothamnus schottii Carl B. Wolf 1932-4-26 2973 Riverside Colorado Desert. 5 mi. E. of Mecca, on Blythe Road 30 Comment
  RSA404254  Psorothamnus schottii Anstruther Davidson 1979-4-4 7690 Riverside Orocopia Mts. Lower End of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
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Mar 15 2013
  UC555342  Psorothamnus schottii Herbert L. Mason 1928-3-10 4218 Riverside Hidden Springs Canyon , Hidden Springs Canyon (Coachella Mts.) Comment
  UCR158770  Psorothamnus schottii Lyman Benson, Robert Benson 1952-4-8 14848 Riverside Sonoran (Colorado) Desert, 2 mi. west of Shaver Summit [Chiriaco Summit] east of Indio, U.S. Hwy 66 518 Comment
  UCR165294  Psorothamnus schottii John F. Green 2005-2-4 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  UCSB42194  Psorothamnus schottii Roos, John 1966-5-2 Riverside At the mouth of Pushawalla Canyon, Indio Mtns. Comment
  RSA91438  Psorothamnus schottii F. W. Peirson 1921-4-13 566 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs. 152 Comment
  RSA263723  Pteridium aquilinum var. pubescens R. Weatherby 1950-5-18 2968 Riverside Hagador 640 Comment
  CHSC101907  Pterostegia drymarioides Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10456 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
  SD186304  Pterostegia drymarioides Andy C. Sanders, T. B. Salvato, M. Provance 2003-4-4 25836 Riverside Santa Ana River Valley Region, Jarupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 366 Comment
  SDSU12923  Pterostegia drymarioides Jutta Buschbom 1991-3-6 47 Riverside SE-slope, N-Border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the fieldstation. Santa Margarita Ecological Reserve, Temecula. Comment
  UCR278872  Pulicaria paludosa Mitch Provance 2012-8-1 812- 04 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  UCSB18179  Purshia tridentata var. glandulosa Black, Richard 1964-5-10 Riverside State Highway 74, 8 miles S of Pinyon Flats Campground 929 Comment
  RSA0082840  Pyrola minor P. A. Munz 1922-9-6 6395 Riverside Round Valley, San Jacinto Mts. 2744 Comment
  RSA0106805  Quercus Jeremiah George 2012-8-7 70812 -1 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  UCR273242  Quercus Mitch Provance 2012-1-25 17387 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 689 Comment
  UCD47676  Quercus X acutidens D. Q. Cavagnaro 1963-9-17 84 Riverside State Highway 79, 11.4 miles west of Aguanga, Riverside County, California. 426 Comment
  UCR136258  Quercus agrifolia A. C. Sanders 2004-6-20 28229 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., wash near I-15 & Temescal Cyn. Rd., west of main clay pit 305 Comment
  UCR180579  Quercus agrifolia Scott D. White, Angelia Carey 2004-4-5 10014 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR270172  Quercus agrifolia A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42389 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  RSA228807  Quercus agrifolia var. agrifolia Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 606 Riverside Cleveland National Forest, ca. 8 mi. south of Lake Elsinore; off Forest Route 7S04. 488 Comment
  SD136833  Quercus berberidifolia Steve Boyd 1994-10-14 8399 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, San Mateo Canyon, along San Mateo Trail between north branch of Tenaja Trail & Fisherman's Camp, on mesic north-facing slope 427 Comment
  UCR135834  Quercus berberidifolia A. C. Sanders 2004-4-20 27523 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
  UCR158906  Quercus berberidifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31546 Riverside San Jacinto Mtns., Vandeventer Flat along Hwy 74, 1.2 mi. west of Santa Rosa Mtn. Rd., just west of entrance to Santa Rosa Indian Reservation 1402 Comment
  UCR213894  Quercus berberidifolia Scott D. White, Justin M. Wood 2009-5-22 12887 Riverside San Jacinto Mountains, Garner Valley, abandoned duck pond near Quinn Flat 1366 Comment
  UCR273036  Quercus berberidifolia Mitch Provance 2012-1-25 17380 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 689 Comment
  UCR277497  Quercus berberidifolia Mitch Provance 2012-4-20 412- 35 Riverside San Timoteo Canyon, 0.8 mi south-southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 671 Comment
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Jul 22 2018
  CAS-BOT-BC86599  Quercus cornelius-mulleri David Dreyer 1968-4-9 s.n. Riverside N slope of hills S of Morongo Valley 609 Comment
  UCD45606  Quercus cornelius-mulleri K. R. Montgomery 1969-6-9 69 19 Riverside Wilson Valley, 18 miles south of Hemet, Riverside County, California. Elev. 3500'. 1066 Comment
  UCD45609  Quercus cornelius-mulleri Alan D. Eliason; James R. Youse 1966-1-17 s.n. Riverside Live Oak Tank, Joshua Tree National Monument, in Riverside County, California. Comment
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Nov 6 2011
  SD129201  Quercus engelmannii B. Pitzer 1988-6-8 1046 Riverside Rancho California area, avocado grove south of Avenida del Oro, just past Calle Capistrano Comment
  UCR189794  Quercus engelmannii Andrea Salzman, Joseph Gomez 2006-10-6 194 Riverside Peninsular Ranges, Santa Ana Mountains, Santa Margarita Ecological Reserve. 0.7 mi North of Santa Margarita Canyon 427 Comment
  CAS-BOT-BC104317  Quercus palmeri A. C. Sanders; Steve Boyd; Mitch Provance; J. Ross 1998-10-25 22278 Riverside San Jacinto Mtns: Pine Meadow along Hwy 74 in Garner Valley (eastern), 2.7 mi NW of Hwy 371 junction, 0.8 mi NW of Devil's Ladder Rd. 1402 Comment
  RSA783166  Quercus wislizeni J. D. Olmsted 1962-5-3 3526 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 Comment
  UCR100577  Quercus wislizeni A. C. Sanders, T. Tennant 1997-11-14 21597 Riverside San Bernardino Mtns., Morongo Indian Reservation, W end of Burro Flats 1159 Comment
  RSA288004  Quercus wislizeni var. frutescens C. W. Tilforth, Walter Wisura 1979-11-10 1920 Riverside 2 miles W of Hwy 74 along Thomas Mtn Road. 1 mile south of Lake Hemet, Garner Valley. Comment
  JOTR30996  Rafinesquia californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1318 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  JOTR34188  Rafinesquia californica La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2982 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
  RSA736537  Rafinesquia californica Scott D. White 2004-4-26 10266 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  SEINET5584426  Rafinesquia californica Stephen Hale, Jake Mohlmann 2010-1 Riverside Along WAPA Parker-Blythe transmission line, adjacent to State Route 95 Comment
  SEINET7048172  Rafinesquia californica Steven R. Hill 2001-5-3 33678 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
  RSA80988  Rafinesquia neomexicana G. R. Campbell 1952-4-5 18374 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  SBBG8700  Rafinesquia neomexicana H. and M. Dearing 1937-4-10 2865 Riverside ca. 16 mi N of Indio Comment
  UCR386  Ranunculus aquatilis Emily E. McGregor 1972-4-30 s.n. Riverside Peninsular Range, 0.5 mi west of Tenaja Station, Tenaja Rd. (6S08). Comment
  RSA0013021  Ranunculus californicus LeRoy Gross, Grace Cho 2013-4-9 6006 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
  SEINET7063426  Ranunculus californicus A. G. Vestal 1947-3-30 s.n. Riverside West of Cahuilla Valley on Route 371. UTM Zone 11, 519809mE, 3708775mN. (WGS84/NAD83). 1045 Comment
  CAS-BOT-BC334466  Ranunculus muricatus O. F. Clarke 2010-4-16 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke resience, 266 Frost Court, east edge of UCR campus 350 Comment
  UCR132500  Raphanus sativus 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
  SEINET13946317 Image available Rhamnus crocea Scott D. White 1996-1 3872 Riverside Bundy Cyn, SE of Lk Elsinore. About 1 road mile (-+0.2 mi) E. of Bundy Cyn Rd exit from 1-15 freeway; USGS Lake Elsinore 7.5'topo map. +- 40 ft. S of rd along mapped intermittent blueline stream [Quercus agrifolia riparian woodland w Salis Laevihata, Platamus racemosa] and adjacent N-and W-facing slopes covered by mixed chaparral and coastal sage scrub spp. 450 Comment
  JEPS42076  Rhamnus ilicifolia C. V. Meyer Jun 1927 164 Riverside San Jacinto mt. 1706 Comment
  RSA643450  Rhamnus ilicifolia A. C. Sanders 1995-11-26 17909 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, S of Hwy 371. Small cyn crossing Spanish Spur Trail ca. 0.1 mi. N of Deer Spr. Trail, 0.2 mi N of Kearsarge Rd. 1189 Comment
  UC1178623  Rhamnus tomentella subsp. cuspidata Peter Kamb 1948-7-4 1172 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UC18582  Rhamnus tomentella subsp. cuspidata H. M. Hall Jul 1897 Riverside San Jacinto Mountains 1828 Comment
  UCR251694  Rhus aromatica T. B. Salvato 2014-4-9 7833 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  UCR94062  Rhus aromatica Scott D. White, Duayne Haselfeld 1996-7-2 4269 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  CAS-BOT-BC478189  Rhus ovata A. C. Sanders; Jeff Crain; Nina Kidd 2015-5-19 41730 Riverside Temesal Canyon, hilltop above DePalma Road, about mid way between Horse Thief Canyon Road and Glen Eden Road 399 Comment
  HSC3151  Rhus ovata C. L. Hitchcock, C. V. Muhlick 1964-3-17 23098 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  POM10075  Rhus trilobata var. pilosissima Charlotte M. Wilder 1904-6-11 46 Riverside Wilders Canyon; Jurupa Hills near Riverside. Comment
  RSA403704  Rhus trilobata var. pilosissima Ora M. Clark 1929-4-6 1951 Riverside South of Hemet. Comment
  CAS-BOT-BC108722  Ribes cereum H. M. Hall 1901-7-1 2353 Riverside San Jacinto Mountains. Tauquitz Valley. 2438 Comment
  JEPS49431  Ribes cereum W. L. Jepson 1903-8-8 2320 Riverside Log Cabin, on upper trail San Jacinto Peak 2438 Comment
  SD63730  Ribes cereum Peta Mudie 1965-7-5 501 Riverside Southwest slope, north side of Santa Rosa Mtn. above National Forest Campground. Comment
  RSA502905  Ribes indecorum Steve Myers 1989-3-1 s.n. Riverside Rawson Canyon, SE of Winchester, 3/5 miles E of the intersection of Winchester Road & Keller Road. Comment
  UCR102727  Ribes indecorum B. G. Pitzer 1998-1-25 3415 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  UCR112522  Ribes indecorum Mitch Provance 1998-2-13 13 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  UCSB12539  Ribes nevadense Creighton, B. 1961-5-6 Riverside 18.8 miles south of Banning; on Banning-Idyllwild road; In the San Bernardino National Forest; San Jacinto Mountains 1584 Comment
  RSA16365  Romneya coulteri Percy C. Everett 1935-6-17 7167 Riverside Santa Ana Mts. Coldwater Canyon trail to Santiago Peak. 2 miles above Glen Ivy resort. 610 Comment
  RSA0018994  Rorippa Steve Boyd, Gary D. Wallace 2005-7-30 11650 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  RSA752136  Rorippa curvisiliqua Justin M. Wood, Brandy Wood 2009-7-4 1040 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  CSUSB1435  Rorippa nasturtium-aquaticum R. L. Irwin 1962-4-21 0033 Riverside By Dam at north west end of Lake Evans 243 Comment
  SD1956  Rorippa nasturtium-aquaticum Frank Stephens 1926-1 Riverside Aguanga Comment
  UCR155937  Rorippa nasturtium-aquaticum John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA191417  Rosa californica Robert F. Thorne, E. W. Lathrop 1967-9-26 6611 Riverside Tenaja Guard Station, 10 mi NW of Murrieta. Comment
  UCR149984  Rosa californica Scott D. White, Angelia Carey 2004-5-7 10334 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  SEINET156318  Rumex acetosella Norman C. Cooper 1944-5-6 1208 Riverside Banning. 701 Comment
  RSA357125  Rumex conglomeratus Robert F. Thorne, P. A. Munz, Earl Lathrop 1968-5-8 37605 Riverside Lake Elsinore: Behind levee at SE end of lake Elsinore, ca. 1 mi. S of Elsinore. Comment
  UCR114965  Rumex crispus Fred M. Roberts 1992-4-25 4866 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  CAS-BOT-BC433584  Rumex hymenosepalus Howard Scott Gentry 1957-3-10 16383 Riverside Aguanga: along road to Sage by arroyo near School House. 670 Comment
  UCR167685  Rumex salicifolius T. B. Salvato, Melissa Clemons 2005-6-23 1296 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UC6967  Rumex salicifolius var. salicifolius H. M. Hall Jul 1901 2525 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UC2015597  Sagina apetala A. C. Sanders and G. Helmkamp 1996-3-17 17980 Riverside Coachella Valley: Palm Springs, weeds in landscaping of shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. Comment
  JOTR30775  Salix exigua La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1886 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  UCR178565  Salix exigua R. G. Swinney 1967-3-5 0062 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  RSA0034668  Salix exigua H. P. Bracelin 1932-4-12 601 Riverside Riverside 240 Comment
  RSA0010969  Salix exigua var. exigua N. C. Cooper 1944-4-8 1057 Riverside Andreas Canyon. 305 Comment
  CAS-BOT-BC108116  Salix gooddingii Carl B. Wolf 1929-5-31 3739 Riverside 1 mi. N.W. of Santa Ana river, 6 mi. from Corona on Chino Road Comment
  JOTR32525  Salix gooddingii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2609 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
  SDSU13389  Salix gooddingii Joseph Verfaillie, Shasta Gaughen 2000-4-29 51 Riverside Santa Margarita Eclogical Reserve North side. The south side of the river just west of the the old pipeline crossing. 235 Comment
  UCR231769  Salix gooddingii John F. Green 2008-4-21 02- 05 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  JOTR36410  Salix lasiolepis La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3359 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA289821  Salsola paulsenii B. A. Prigge 1980-9-16 4304 Riverside Coachella Valley Stormwater Channel; east of Point Happy at Washington St. x channel 21 Comment
  RSA594531  Salsola tragus D. L. Banks, Rashmi Pant 1996-5-13 1011 A Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric, arkose ridge, approximately 100 m E of the Dripping Springs Guard Station, just S of Hwy. 500 Comment
  RSA0047257  Saltugilia australis J. Mark Porter, Leigh A. Johnson 1997-3-10 11461 Riverside Whitewater Canyon, ca. 1 mi. N of Whitewater (along Interstate 10). 474 Comment
  UCR225186  Saltugilia australis Steve Boyd, Susan Jett 2008-3-20 11835 Riverside Peninsular Ranges; Santa Ana Mountains region, Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  RSA0093834  Saltugilia latimeri A. C. Sanders 2006-5-13 32282 Riverside Peninsular Range. UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 457 Comment
  JOTR16793  Saltugilia splendens subsp. splendens Wanrow, E. 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  SD48522  Salvia apiana E. K. Balls, P. C. Everett 1957-11-4 22748 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  UCR123873  Salvia apiana Steven R. Hill 2001-4-29 33536 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  UCR90393  Salvia apiana D. L. Banks, Steve Boyd 1995-5-9 0349 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 793 Comment
  OBI30185  Salvia columbariae Chris M. Johnson 1970-3-16 65 Riverside On hwy 77 5 mi outside of Corona at Rancho Hermano entrance Comment
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Mar 22 2014
  RSA0039607  Salvia columbariae Deidre Conocchioli, Duncan S. Bell 2014-3-4 146 Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695 Comment
  RSA0117835  Salvia columbariae Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7806 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1235 Comment
  RSA401492A  Salvia columbariae Bruce M. Crawford 1932-5-1 s.n. Riverside 15 miles east Windmill springs [At or near Windmill Tank] Comment
  UCR224449  Salvia columbariae Steve Boyd, Susan Jett 2008-3-20 11828 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UC64240  Salvia eremostachya H. M. Hall 1902-4-12 2856 Riverside Coyote Canyon Colorado Desert (w borders of the Colorado Desert) 914 Comment
  SFV4251B  Salvia greatae W. A. Emboden, Jr. May 1963 s. n. Riverside Colorado Desert Between Chocolate Mountains and Orocopia Mountains at base of outwash plains. 245 Comment
  RSA583737  Salvia mellifera Steve Boyd 1995-4-24 8494 Riverside Palomar Range, Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil s Hole, along Wildhorse Trail near the rounded gabbro peak known as Agua . 762 Comment
  UCD125583  Salvia mellifera Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-11 3712 Riverside Vail Lake area, into Wilson Creek at east end of lake. Comment
  UCR91611  Salvia mellifera D. L. Banks, Steve Boyd 1995-3-30 0129 Riverside Agua Tibia Mountains Watershed, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., west of the Dripping Springs Alcove, on the Woodchuck Trail 634 Comment
  CLARK-A1528-3123  Salvia mohavensis John C. Roos 1947-2-15 3234 Riverside Eagle Mountain 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-BC233347  Salvia vaseyi Philip A. Munz 1937-5-29 15146 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  UCR140687  Sambucus mexicana Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 61 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  CAS-BOT-BC238854  Sambucus nigra subsp. caerulea Wayne Law; Jun Hu 2000-5-16 21 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona 396 Comment
  UCR31299  Sanicula arguta A. C. Sanders, T. Glenn 1983-4-17 3733 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  SDSU13888  Sanicula tuberosa Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2090 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  RSA192333  Satureja chandleri E. W. Lathrop 1966-5-11 6287 Riverside 3 miles SW of Murrieta on the De Luz Road, first canyon to the right of the road. Comment
  RSA0016887  Satureja chandleri Robinson, Crocker 1916-3-29 571 Riverside Santa Ana Mountains, near Murrieta. Comment
  UCR59681  Saxifraga californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2988 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  RSA735903  Schedonorus arundinaceus Scott D. White, Justin M. Wood 2008-6-24 12289 Riverside San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  JOTR33989  Schismus barbatus La Doux, Tasha, M. Harding 2010-4-7 2877 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA726531  Schismus barbatus Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Lelenad Lubinsky 2005-2-10 1442 Riverside Along Palen Road near Hwy 177. 170 Comment
  UCR224465  Schismus barbatus A. C. Sanders, T. B. Salvato 2011-3-28 38813 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  UCR129353  Schoenoplectus acutus var. occidentalis Patricia Wilder 1970-10-30 4851 Riverside Santa Ana River Valley, along road on south side of Prado Flood Control Basin east of Prado Dam, east of Chino Hills 152 Comment
  CAS-BOT-BC341100  Scutellaria mexicana R. F. Hoover 1966-10-15 10176 Riverside Bighorn Drive, San Jacinto Mts. Comment
  SEINET270116  Scutellaria tuberosa Steve Boyd, Tim Ross 1992-5-4 7187 Riverside San Mateo Canyon Wilderness Area ; Southern Santa Ana Mountains. Oak Flats area east of Verdugo Portero 732 Comment
  POM12525  Selaginella bigelovii Philip A. Munz, D. Keck 1922-4-14 5007 Riverside East of White Water Ranch 244 Comment
  UC306709  Selaginella bigelovii S. B. Parish 1918-4-3 11695 Riverside mouth of San Jacinto Canyon (Oak Lodge) 914 Comment
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Nov 20 2011
  UCR89861  Selaginella bigelovii Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3322 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCR106418  Senecio californicus George K. Helmkamp, A. C. Sanders 1997-3-15 1493 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  UCR113178  Senecio californicus A. C. Sanders 1998-3-11 21685 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  JOTR36444  Senecio mohavensis La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3414 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA796016  Senecio mohavensis Duncan S. Bell 2009-4-18 247 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  UC1552024  Senecio mohavensis David Charlton 1988-2-19 1174 Riverside mudstone wash n Mecca Hills (Box Canyon on road between Cottonwood Wash and Mecca, near Mecca, Colorado Desert Wash Community); Orocopia Mtns., Box Canyon 457 Comment
  JOTR32323  Senna armata Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  JOTR34310  Senna armata Andre, Jim 2012-4-11 20725 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  RSA695427  Senna artemisioides Robert Hamilton 2003-2-6 s.n. Riverside Riverside, v