Search Results — 2000 specimen records retrieved (1906 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229329  Abronia villosa L. R. Abrams 1913-7-16 5010 Riverside Between Elsinore & Corona, Riverside Canyon Comment
  CAS-BOT-BC229333  Abronia villosa J. Von Loh 1978-1-23 3297 Riverside Palo Verde Mesa, 12 mi SW of Blythe 121 Comment
  CSUSB1084  Abronia villosa unknown 1968-5-4 680504 12 Riverside San Jacinto Mountains 4 miles west of Mountain Center on Highway 74 on right side of road. San Jacinto Mountains 853 Comment
Read comments
Mar 21 2014
  OBI2989  Abronia villosa Lewis S. Rose 1967-12-20 67184 Riverside 6 mi SE of Thousand Palms 9 Comment
  SBBG69829  Abronia villosa M. N. Ackley -Mar-1922 711 Riverside Murrieta Hot Springs 398 Comment
  SEINET3092151 Image available Abronia villosa Norman C. Cooper 1949-4-8 3232 Riverside Mecca Pass east of Indio. Comment
  SEINET893736  Abronia villosa Str Richard 1964-1 78 Riverside Along U. S. Highway 99, 4 miles east of Whitewater, east of San Gorgonio Pass. 274 Comment
  POM9907  Abronia villosa E. C. Jaeger 1921-11-15 s.n. Riverside Morongo Pass Comment
  JEPS79801  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-4-6 6609 Riverside Hemet 500 Comment
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Mar 24 2011
  POM13018  Abronia villosa var. aurita P. A. Munz 1922-4-14 4968 Riverside Indian Wells 91 Comment
  RSA461185  Abronia villosa var. aurita H. de Forest 1924-3-28 s.n. Riverside Palm Springs. Comment
  RSA667026  Abronia villosa var. aurita A. C. Sanders, Mitch Provance 1999-9-26 23086 Riverside Lake Hemet, north shore at FS day use area 1323 Comment
  UCR248052  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3141 Riverside Mojave Desert, Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal 16 Comment
  POM217967  Abutilon palmeri George Black 1936-03 s.n. Riverside Wash at Corn Springs Comment
  RSA414903  Acacia greggii var. arizonica Albert J. Perkins 1916-4-16 s.n. Riverside Palm Springs. Andreas Canon. Comment
  OBI61045  Acamptopappus sphaerocephalus Patrick A. Holden 1969-4-23 782 Riverside Along old hwy 62, 3 mi n of jctn with hwy 60 Comment
  UCR132776  Acer negundo S. J. Myers 2001-4-26 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  JEPS20084  Achillea millefolium Peter H. Raven with R. Snow 1957-7-26 11108 Riverside just below, in meadow along Banning--Idyllwin Rd. Vista Grande Ranger Station; San Jacinto Mountains Comment
  UCD50319  Achnatherum coronatum Frank W. Gould 1943-4-17 2128 Riverside 12 miles S of Corona on road to Elsinore. Comment
  RSA707841  Achnatherum hymenoides L. M. Prince, N. Refulio 2002-3-16 2 -272 Riverside Whitewater Canyon. ca. 5 km North of CA Hwy 10 on Whitewater Canyon Road. Flat areas along creek. Comment
  UC472731  Achnatherum hymenoides Mary F. Spencer 1918-3-27 829 Riverside Palm Springs Colorado Desert (near irrigating ditch) 100 Comment
  SEINET260234 Image available Achnatherum latiglume M. Curto, LS Allen 1991-6-26 766 Riverside San Bernardino National Forest ; Thomas Mt nr former lookout tower site summit rd SW off San Bernardino NF Rd 5S15 2060 Comment
  JOTR30890  Achnatherum parishii La Doux, Tasha, E. Babich, N. Pietrasiak 2008-4-21 2095 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of East Deception Canyon 1446 Comment
  CAS-BOT-BC30408  Achyrachaena mollis Steve Boyd 1986-4-19 1708 Riverside Temescal Canyon, flats at SE end of Alberhill Mountain Comment
  CLARK-A1528-914  Achyronychia cooperi Charlotte Stocks 1963-3-31 Riverside Coachella Comment
  UCD103976  Acmispon argophyllus B. Pitzer; A. C. Sanders 1987-4-21 498 Riverside Box Springs Mtns, near southernmost radio towers. 792 Comment
  SD37813  Acmispon argophyllus var. argophyllus Edith A. Purer 1935-4-21 6475 Riverside Near Palm Springs, western edge of the Colorado Desert Comment
  SDSU14187  Acmispon argophyllus var. argophyllus Michelle Perl 2002-4-20 12 Riverside Santa Margarita Ecological Reserve 1/8 mile east of the junction between Santa Margarita River and Via Tornado Road. North of Santa Margarita River. 233 Comment
  JOTR34270  Acmispon glaber var. brevialatus La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3286 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  UCD170827  Acmispon glaber var. brevialatus T. B. Salvato; John F. Green 2004-5-27 622 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. Comment
  RSA0125413  Acmispon heermannii var. heermannii J. R. Bruff 1928-4-5 209 Riverside Between Wiley Well and Beals Well. Comment
  JOTR36015  Acmispon rigidus Harding, Mitzi, T. Herskovits 2012-3-16 222 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  SD215527  Acmispon strigosus Steve Boyd, Tim Ross, et al. 1990-4-2 4033 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain along Highway 79, east of USFWS Dripping Springs Guard Station. 487 Comment
  UCR26997  Acourtia microcephala E. W. Lathrop 1966-5-17 6547 Riverside Santa Ana Mtns., Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  SEINET10848228  Adenostoma sparsifolium Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-17 Townesmith 690 Riverside San Bernardino National Forest, San Jacinto Ranger District. 3.0 miles NE of route 74 on Apple Canyon road. T5S R3E, corner of sections 27, 26, 34 and 35, San Bernardino meridian. 1554 Comment
  SEINET3076976 Image available Adenostoma sparsifolium Howard Scott Gentry 1974-8-26 23434 Riverside Mountain slope ca. 4 miles NE of Anza. 1372 Comment
  UCSB41787  Adenostoma sparsifolium Mills, J. 1964-12-5 Riverside Palms-to-Pines Highway, 12 miles south of Idyllwild Comment
  CAS-BOT-BC69649  Adiantum capillus-veneris Edmund C. Jaeger 1922-3-18 s.n. Riverside Eagle Canyon, 4 mi. e. of Palm Springs. Comment
  RSA586096  Adiantum jordanii Darin L. Banks, Steve Boyd 1995-3-30 119 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, E of the Woodchuck Trail. 713 Comment
  RSA783270  Adiantum jordanii J. D. Olmsted 1959-4-23 458 Riverside Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona 716 Comment
  JEPS548  Agave deserti W. L. Jepson May 17 1901-Jun 1 1901 1356 Riverside Palm Canyon and return to Van Deventer's Comment
  UC55109  Agoseris grandiflora var. grandiflora H. M. Hall May 17 1901-Jun 1 1901 1916 Riverside 20 mi s Palm Springs; Palm Springs 1371 Comment
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May 2 2007
  UC1514475  Agoseris retrorsa E. W. Lathrop 1968-5-22 6923 Riverside trail between El Carriso and Santiago Peak Main Divide Truck; Cleveland Nat'l. Forest, El Carriso, Santiago Peak 1219 Comment
  RSA0050598  Agrostis A. C. Sanders, Mitch Provance 2008-7-11 35808 Riverside Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station, In moist soil along dried stream crossing on Coldwater Trail, at 42.709 N, 42.404 W. 1450 Comment
  SD127982  Agrostis idahoensis Michael Curto 1989-8-6 600 Riverside San Jacinto Mountains, Fuller Ridge Trail. At springy north headwaters of Fuller Mill Creek. 2695 Comment
  RSA591753  Agrostis pallens E. W. Lathrop 1966-5-29 6377 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  LA206322  Agrostis scabra F. M. Reed; 1905-7-15 833 Riverside San Bernardino Mountains, Hunsaker Flats 1523 Comment
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Feb 1 2014
  CLARK-A1528-3974  Alchemilla occidentalis John C. Roos 1950-4-22 4751 Riverside Reche Canyon 822 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
  UCR50718  Alhagi pseudalhagi Don Pendleton 1988-5-17 s.n. Riverside Eastern Colorado Desert, Blythe, in a lemon orchard on the mesa west of town Comment
  JOTR36460  Aliciella latifolia subsp. latifolia La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3430 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  UCSB39094  Allenrolfea occidentalis Jorgensen, Jan 1982-3-6 Riverside Coachella Valley, along Avenue 66 in Coachella -70 Comment
  UCR167237  Allionia incarnata 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
  SEINET11941862  Allionia incarnata M. T. Doutt 1931-1 779 Riverside Chino Canyon, Palm Springs Comment
  RSA0118005  Allionia incarnata var. incarnata Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7623 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  JEPS15030  Allium cratericola P. A. Munz, I. M. Johnston 1922-5-21 5512 Riverside Kenworthy San Jacinto Mts., Kenworthy 1417 Comment
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Mar 25 2011
  RSA343873  Allium lacunosum var. lacunosum Robert F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60652 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  CLARK-A1539-1  Allium munzii Steve Boyd 1982-4-27 Riverside Temescal Canyon Comment
  RSA348946  Allium munzii Steve Boyd 1986-5-1 1798 Riverside Murieta Hot Springs: Skunk Hollow area, E of hot springs, on N base of hill just to the W of Skunk Hollow. 439 Comment
  UC1544768  Allium munzii Steve Boyd 1986-4-22 1781 Riverside just w of third powerline tower n of summit of Estelle Mt. Gavilan Hills, Estelle Mt. 841 Comment
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Oct 26 2011
  SEINET12043795  Allium parryi C. B. Clokey, Clokey, I. W.; Templeton, B. 1930-1 4621 Riverside Gavilan Peak 600 Comment
  RSA495439  Allium peninsulare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2966 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  CLARK-A1528-1513  Allium praecox John C. Roos 1952-4-2 5468 Riverside Box Springs 426 Comment
  SDSU13507  Allophyllum gilioides subsp. violaceum W. Miller Riverside Dry wash in burned chaparral along major aquaduct clearing just south of the river. Comment
  UC847417  Alnus rhombifolia Ivan Johnston Apr 4 1917-Apr 6 1917 1103 Riverside Andreas Canyon Colorado Desert 274 Comment
  UCR211464  Aloysia wrightii Tasha La Doux, Jim Andre 2008-9-13 264 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, upper Wilson Canyon on east side of paved highway 991 Comment
  UCD97079  Amaranthus blitum subsp. emarginatus A. C. Sanders 2001-11-25 24887 Riverside Moreno Valley, Hope Depot at Pigeon Pass Rd. on north side of Hwy 60. Comment
  UCR159260  Amaranthus californicus A. C. Sanders, Kelly Volansky 2005-8-31 31589 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
  UCR281910  Amaranthus fimbriatus A. C. Sanders, Jim Malusa 2017-9-21 43352 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  RSA709116  Amaranthus hybridus Scott D. White, Justin Wood 2005-10-4 11236 Riverside Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  RSA780557  Amaranthus palmeri Stephanie Rockwood, Christi Gabriel 2011-10-18 124 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  UCR115992  Amaranthus retroflexus A. C. Sanders, G. K. Helmkamp, Pam MacKay 1995-3-12 16077 B Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  POM319667  Ambrosia acanthicarpa Patricia Wilder 1971-9-29 5263 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. On dry river bed. 518 Comment
  RSA692220  Ambrosia acanthicarpa Scott D. White 2003-10-9 9826 Riverside Pine Cove area. Dutch Flat. 1753 Comment
  UCSB14593  Ambrosia acanthicarpa Breedlove, Dennis 1961-8-5 Riverside Along State Highway 74, 5 miles east of Keen Camp, Hemet Valley, San Jacinto Mountains 1341 Comment
  RSA26835  Ambrosia dumosa I. L. Wiggins 1941-3-24 9575 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  UC896725  Ambrosia dumosa Alice Eastwood 1913-4-30 2990 Riverside Palm Springs Comment
  UCD128811  Ambrosia dumosa Walter W. Zabriskie 1973-2-8 102 Riverside at edge of Indian Canyon wash, Deep Canyon drainage, N slope Santa Rosa Mountains. 304 Comment
  UCSB34110  Ambrosia ilicifolia Collins, Elizabeth 1980-3-31 Riverside 10 miles SW of Hwy 10 at Corn Springs campground Comment
  UCR172613  Ambrosia pumila A. C. Sanders, John F. Green 2006-5-18 32373 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  CAS-BOT-BC273029  Ambrosia salsola Roxana S. Ferris 1953-4-20 12638 Riverside Road to Lost Palms Canyon ca. 4 mi. N of Shaver summit Comment
  CAS-BOT-BC273033  Ambrosia salsola 1939-3-30 3346 Riverside Between Mecca and Blythe on old highway Comment
  HSC25798  Ambrosia salsola Richard Spjut 1972-3-13 2264 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  SEINET3146993  Ambrosia salsola Unknown 1906-1 609 -6736 Riverside Collected on Colorado desert at Palm Springs, Sothern California Comment
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Jul 29 2013
  UCR148334  Ambrosia salsola John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR213431  Ambrosia salsola A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37434 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
  UCR251670  Ambrosia salsola Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 767 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCR33545  Ambrosia salsola Faulkner 1978-3-15 281 Riverside Sonoran (Colorado) Desert, 1 mi. west of Hwy 95, 25 mi. north of Blythe 152 Comment
  UC897994  Ambrosia salsola var. salsola Lewis S. Rose 1936-12-19 36792 Riverside Palm Canyon Wash 121 Comment
  LA204911  Amorpha californica var. californica Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  CAS-BOT-BC177259  Amorpha fruticosa Elizabeth McClintock 1965-6-25 s.n. Riverside Road to Santa Rosa Mountain, a short distance from Pines to Palms Highway Comment
  RSA0089991  Amsinckia douglasiana Severauce 1926-2-20 s.n. Riverside Murray Canyon. Comment
  RSA180514  Amsinckia intermedia E. W. Lathrop 1960-3-24 4664 Riverside 14 miles west of Murrieta. Comment
  UC1084572  Amsinckia intermedia Francia Chisaki, Peter M. Ray 1952-4-6 2198 Riverside 1/4 mi w Cottonwood Springs; Joshua Tree National Monument Comment
  UCR167069  Amsinckia intermedia Scott D. White 2005-3-29 10845 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR174108  Amsinckia intermedia A. C. Sanders 2006-5-19 32425 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA0089620  Amsinckia intermedia W. Wisura, A. King, L. Newcomb 1992-4-10 4675 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  UCR93051  Amsinckia menziesii var. menziesii Steve Boyd 1986-4-2 1617 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR213625  Amsinckia retrorsa A. C. Sanders, Matthew Malle 2010-4-23 37997 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UC218270  Amsonia tomentosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4844 Riverside vicinity of Corn Springs Corn Springs; Colorado Desert, Chuckwalla Mts. 762 Comment
  UCR163337  Anagallis arvensis T. B. Salvato, Kelly Volansky 2003-3-27 128 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UC63096  Anisocoma acaulis H. M. Hall May 17 1901-Jun 1 1901 1807 Riverside s side, (journey from Riverside to Santa Rosa Peak and Palomar) San Jacinto Mt. 1554 Comment
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Nov 9 2015
  UC485495  Antennaria rosea A. W. Anthony 1895-7-9 Riverside San Jacinto Mt. 2529 Comment
  UCR20975  Anthriscus caucalis G. Auxier 1980-4-30 s.n. Riverside Peninsular Range, 2 mi. north of Rainbow 366 Comment
  HSC25859  Antirrhinum coulterianum R. W. Spjut 1972-3-30 2350 Riverside Just SW of Coahulla Indian Reservation, 2 mi. E of Hwy. Jct. 79 on Hwy. 71, near San Diego Co. line 1220 Comment
  UC1012085  Antirrhinum coulterianum F. W. Pennell and A. L. Grant 1940-4-28 25276 Riverside 7-8 mi e Hemet (Route 74) 548 Comment
  UCR35226  Antirrhinum coulterianum L. B. Ziegler 1967-5-18 134 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  RSA0010950  Antirrhinum coulterianum Doris Bowers 1972-4-15 1805 Riverside Pulgas Creek Canyon, Rancho California. 396 Comment
  UCR3405  Antirrhinum filipes John Minnich 1964-3-22 64-3-22- 3 Riverside Sonoran (Colorado) Desert, Box Canyon (Calif. Hwy 195), c. 10 mi. east of Mecca 61 Comment
  RSA114705  Antirrhinum nuttallianum subsp. nuttallianum Verne Grant 1955-5-17 20835 Riverside On crest of Santa Ana Mts near hwy 74. 811 Comment
  UC76434  Antirrhinum nuttallianum subsp. nuttallianum Miss M. Alice King May 1893 Riverside Menifee Comment
  UCR93825  Antirrhinum nuttallianum subsp. nuttallianum G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  SDSU17494  Apiastrum angustifolium Jerry Jenkins 2001-3-30 2001 -016 Riverside Santa Margarita Ecological Reserve. West side of S.M. River, slightly north of station. UTM zone 6, 481700E, 3699150N UTM transfered to GIS. Comment
  UCD127217  Apiastrum angustifolium Rimo Bacigalupi; L. Heckard 1962-3-25 8402 Riverside Temescal Wash, near Archilla siding of the A.T. and S.F. Railway, just below and east of State Highway 71. (About 10 air miles northwest of Elsinore). 335 Comment
  UCR278861  Aptenia cordifolia Mitch Provance 2011-6-15 17103 Riverside Santa Ana River Valley, Riverside, north side of Market St., 100-200 ft. east of the rip rap along the Santa Ana River34 245 Comment
  CAS-BOT-BC405877  Aquilegia formosa Carl B. Wolf 1932-5-24 3652 Riverside NO. BASE OF SAN JACINTO MTS. SNOW CREEK CANYON. 1 MI. ABOV FISH HATCHERY. Comment
  RSA0126335  Arabis glaucovalvula C. L. Hitchcock 1932-4-8 12218 Riverside 1 mile west of Cottonwood Springs. Comment
  RSA27439  Arabis perennans C. L. Hitchcock 1940-4-5 5966 Riverside Ciffs above Cottonwood Springs Comment
  CAS-BOT-BC516264  Arctostaphylos Scott D. White 1996-8-16 4482 Riverside San Jacinto Mts., Idyllwild area, SW of PIne Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd. Cyn.) 1859 Comment
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Oct 23 2018
  RSA629134  Arctostaphylos Jon E. Keeley 1992-7-16 16568 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629383  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15082 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  SEINET12524577 Image available Arctostaphylos glandulosa A. E. Wieslander 1938-1 822 Riverside Idyllwild, San Jacinto quadrangle sec. 24, T. 5S., R. 2E. 1524 Comment
  RSA629438  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16557 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  UCR95942  Arctostaphylos glandulosa subsp. leucophylla Scott D. White 1996-8-1 4450 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  RSA263738  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1968-5-22 6901 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  CAS-BOT-BC24668  Arctostaphylos glauca Ralph Hoffmann 1929-9-11 s.n. Riverside Hamilton Grade. Comment
  RSA631796  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19562 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA633529  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20121 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633580  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20118 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633624  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16698 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633646  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20144 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633665  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21767 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 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
  RSA633751  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21781 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  UCR187498  Arctostaphylos pringlei Theresa Johnson 2006-7-26 249 Riverside Peninsular Range; San Jacinto Mtns., Hwy 243 at Pine Cove 1890 Comment
  SDSU2823  Arctostaphylos pringlei subsp. drupacea Bruhns 1965-5-22 110 Riverside Around girl's dormatory of Desert Sun School in Idyllwild. Comment
  UCSB26622  Arctostaphylos pringlei subsp. drupacea Wilken, Dieter; Werner, Walter 1969-5-8 Riverside Junction of Black Mtn. Road and Riverside County Road R1, 6 miles north of Idyllwild, San Jacinto Mtns. Comment
  RSA635783  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16532 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  UC21839  Arctostaphylos pungens H. M. Hall 1901-6-12 2102 Riverside w side San Jacinto Mountains Comment
  UC21840  Arctostaphylos pungens H. M. Hall June, 1901 Riverside Onstatt's Valley San Jacinto Mountains 1584 Comment
  UC876487  Arctostaphylos pungens Munz and Johnston 1922-5-20 5491 Riverside head Hemet Valley; San Jacinto Mts. 1524 Comment
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Mar 13 2011
  RSA636182  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19538 Riverside West of Temecula, north-facing slopes off Carancho Rd., 2.8 km west of Via Volcano, eastern Santa Margarita Mtns. 320 Comment
  UC1605406  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Fisherman's Camp, upper end of Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) W into Tenaja Canyon at its confluence with San Mateo Canyon Southern Santa Ana Mts., San Mateo Canyon Wilderness Area, C Comment
  UCR158146  Arctostaphylos rainbowensis S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  UCR97748  Argemone corymbosa Michael D. Wilcox, Stephen J. Myers 1995-5-27 s.n. Riverside NE Colorado Desert, Cadiz Valley near the San Bernardino Co. line 270 Comment
  RSA127721  Argemone corymbosa subsp. corymbosa John H. Thomas 1949-4-23 455 Riverside 9 miles north of DEsert Center, near Boulder Well, on highway between Desert Center and Rice. Comment
  UC9886  Argemone munita Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  CAS-BOT-BC207126  Argythamnia lanceolata John Thomas Howell Jan. 29 1 (rest of year torn off sheet) 3298 Riverside Painted Canyon, Colorado Desert Comment
  RSA735401  Aristida adscensionis Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11231 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
  UC665890  Aristida adscensionis Ira L. Wiggins 1941-3-27 9676 Riverside 8 mi ne Desert Center (s end of mts.); Coxcomb Mountains Comment
  UCD56395  Aristida adscensionis Ira L. Wiggins 1941-3-27 9676 Riverside south end of Coxcomb Mountains, 8 miles northeast of Desert Center. Comment
  UCR2159  Aristida adscensionis F. M. Reed 1920-3-25 4270 Riverside Sonoran (Colorado) Desert, Sand dunes near Indian Wells 30 Comment
  UCR111514  Aristida divaricata A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22284 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  JOTR29526  Aristida purpurea var. nealleyi La Doux, Tasha 2003-9-4 1576 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam 1280 Comment
  UCR19681  Aristida purpurea var. nealleyi John C. Roos 1938-8-7 582 Riverside San Jacinto Mtns., Road bank near San Jacinto River, east of Hemet 701 Comment
  RSA518304  Aristida purpurea var. purpurea A. C. Sanders 1989-9-20 9513 Riverside Chocolate Mountains Aerial Gunnery Range. In extreme northern end of Chocolate Mountains. (UTM: 11S, PH-35E, 09N) 610 Comment
  UCR113186  Artemisia californica A. C. Sanders 1998-1-15 21638 Riverside Lake Skinner area, rocky knob (2527 ft.) along dirt road toward Crown Valley, NE of Black Mtn. 762 Comment
  IRVC493  Artemisia dracunculus R. H. Whittaker, W. A. Niering 1963-6-11 SJ 391 Riverside Summit Toro Peninsular Ranges, Santa Rosa Mountains 2652 Comment
  JOTR32835  Artemisia dracunculus La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1551 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
  SEINET10723658  Artemisia ludoviciana David B. Dunn 1946-8-17 Dunn 2737 Riverside Found 2 mile west of Hidden Lake along trail in San Jacinto Mts. Comment
  CDA20369  Artemisia ludoviciana subsp. incompta H. R. Leach 1958-9-12 s.n. Riverside Southern California; Mt. Center. 0 Comment
  UC488986  Asclepias californica C. V. Meyer June 1927 202 Riverside Saunders Meadow San Jacinto Mts. 1676 Comment
  RSA401228  Asclepias erosa N. C. Cooper 1944-5-20 2641 Riverside Palm Springs. 137 Comment
  OBI37557  Asclepias fascicularis Steve Boyd 1985-8-7 1102 Riverside Santa Rosa Plateau region, NW base of Redonda mesa on Tenaja Rd, 0.8 mi E ofjtn with 8S01 and 8S02 Comment
  CHSC21411  Asclepias subulata Robert A. Schlising 1972-4-8 3015 Riverside Ramon Road, east of Thousand Palms, near junction with Thousand Palms Canyon Road. Comment
  UCSB12490  Asclepias subulata Breedlove, Dennis 1961-9-11 Riverside Along roadside U.S. 60-70, 16.4 mi. E of Indio 441 Comment
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Mar 29 2014
  LA202862  Asplenium vespertinum Lawrence L. Kiefer; 1965-5-1 1530 Riverside Bluff above Temecula Creek, ca. 2 mi. SW of Radec 518 Comment
  CLARK-A1528-5566  Astragalus allochrous John C. Roos 1949-4-10 4228 Riverside Chuckwalla Mountains Comment
  UC68632  Astragalus aridus H. M. Hall Apr, 1905 5937 Riverside McCoy Marsh , Mc Coy Marsh (Colorado Desert) 91 Comment
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Sep 5 2011
  CAS-BOT-BC177528  Astragalus bicristatus Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  SD119933  Astragalus coccineus Louis B. Ziegler 1969-4-10 337 Riverside Pinyon Flats; San Jacinto Mountains. 1250 Comment
  UC83972  Astragalus crotalariae C. R. Orcutt 1890-2-6 2040 Riverside Indian Wells Colorado Desert; Indian Wells, Colorado Desert Comment
  UCR121797  Astragalus didymocarpus A. C. Sanders, Carolyn Washburn 2001-4-17 24035 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  CAS-BOT-BC178454  Astragalus douglasii var. parishii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UCR228835  Astragalus gambelianus A. C. Sanders, T. B. Salvato 2011-4-27 39334 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  POM26394  Astragalus insularis var. harwoodii H. M. Hall 1905-04 5945 Riverside Mc Coy wash 91 Comment
  RSA776179  Astragalus insularis var. harwoodii Amber Swanson 2011-3-20 244 Riverside On Railroad tracks on Summit Rd near the Bradshaw trail 479 Comment
  JOTR16676  Astragalus lentiginosus var. variabilis Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ALONG ROADSIDE TO STUBBE SPRING 1310 Comment
  UCR186855  Astragalus lentiginosus var. variabilis Naomi Fraga, Et al. 2005-3-30 1541 Riverside Sonoran (Colorado) Desert/Mojave Transition, dunes in the southern portion of the Pinto Basin. Joshua Tree National Park 549 Comment
  CAS-BOT-BC194201  Astragalus pachypus Parish 1881-1-1 1134 Riverside Temecula Canyon Comment
  SD230229  Astragalus pachypus var. jaegeri Russell S. Woglum 1941-5-17 3053 Riverside Peninsular Ranges/Sonoran Desert Transition: Horse Canyon, off Coyote Canyon Comment
  CAS-BOT-BC192764  Astragalus palmeri Peter H. Raven 1958-5-5 12885 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  CAS-BOT-BC194140  Astragalus pomonensis Joseph Andorfer Ewan; Carl Epling 1933-5-4 7610 Riverside 5 mi. above Corona, Temescal Canyon Comment
  RSA415653  Astragalus pomonensis Robert Gustafson 1983-4-18 2507 Riverside Clinton Keith Road, about 5 miles from its junction with Highway 15, eastern slopes of Santa Ana Mountains, Santa Rosa Plateau. 549 Comment
  RSA524468  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4071 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCR158332  Astragalus pomonensis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30057 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
  SEINET3134680  Astragalus sabulonum L. S. Rose 1938-2-1 38011 Riverside 10 mi W of Blythe 122 Comment
  UCD129382  Atrichoseris platyphylla P. C. Everett; E. K. Balls 1958-4-29 23026 Riverside 10.8 miles northeast and north from Desert Center along road to Rice and Vidal Junction. 274 Comment
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Jun 16 2013
  UCR30074  Atrichoseris platyphylla George K. Helmkamp 1983-4-5 483- 42 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCSB6372  Atrichoseris platyphylla Foley, Marie 1953-4-23 Riverside 11 miles east of Indio Comment
  UCR275574  Atriplex argentea T. B. Salvato 2005-6-13 605- 7 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  SEINET3930644  Atriplex canescens Stewart C. Sanderson 1993-11-22 93054 Riverside Milo Racket Club, Palm Springs, CA. 4x.; 0 Comment
  SEINET4208628  Atriplex canescens Howard C. Stutz 1980-11-24 8892 Riverside 15 mi. N of Indio.; 0 Comment
  UCR199698  Atriplex canescens Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10685 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  UCR17337  Atriplex canescens subsp. linearis N. R. Zabriskie, W. W. Zabriskie 1970-12-29 331 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon Club property, Palm Canyon watershed, east slope San Jacinto Mtns. 168 Comment
  UCR228185  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7827 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.5 km southeast of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km north of Interstate 10 128 Comment
  RSA532563  Atriplex coronata var. notatior D. E. Bramlet 1991-5-8 2129 Riverside 7.6 km west of Hemet and some 830m west of the intersection of warren Rd. and the RR tracks. the ste is some 350m north of the santa Fe raileroad tracks and 500m east of the MWD canal. 500 Comment
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Mar 4 2013
  RSA609953  Atriplex coronata var. notatior D. E. Bramlet 1995-6-8 2438 Riverside San Jacinto Wildlife area. Lovell Unit. The population is located within the old duck pinds in this unit. The site is located 1.86km east of Davis Road and 61m south of the exisitng access road., The site is some 701m N of the Sa n Jacinto River channel. 435 Comment
  UC195304  Atriplex elegans S. B. Parish 1913-9-20 8600 Riverside Mecca Salton Sink, Mecca (Salton sink) 57 Comment
  JOTR37713  Atriplex hymenelytra Hodges, Stephen R. 2016-3-1 638 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line in canyons of black rock. Sparsely vegetated. Comment
  UCR148293  Atriplex hymenelytra John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  SEINET8753393 Image available Atriplex lentiformis Louis C. Wheeler 1931-1 387 Riverside 3 miles Se Salton Bench Mark 76 Comment
  UC7109  Atriplex parishii H. M. Hall 1901-6-18 2146 Riverside along the borders Colorado Desert (Vandeventers', San Jacinto Mountains); San Jacinto Mountains, e base, along borders Colorado Desert Comment
  UCR24187  Atriplex parishii John C. Roos 1937-8-17 1214 Riverside 5 mi west of Hemet [Hwy 74 near Homeland] Comment
  UC500782  Atriplex polycarpa Aven Nelson 1930-3-1 11151 a Riverside Indio Comment
  RSA653589  Atriplex prostrata A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23181 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCR6700  Atriplex serenana W. W. Wright 1967-1 s.n. Riverside City of Riverside, University of California campus, south of Pennsylvania Ave. (now Martin Luther King Blvd.), west of Midgeville. 335 Comment
  CDA23321  Atriplex serenana var. serenana Mitch Provance 2000-9-28 2266 Riverside Riverside: N side of Latham St., ca. 1/8 mile W of intersection with Keats Dr. Comment
  UCR129807  Atriplex suberecta Scott D. White 2001-4-13 8322 Riverside Beaumont Badlands, County Landfill area north of Moreno Valley, c. 0.25 air mi. NW of the SR-60 freeway junction with Gilman Springs Rd., unnamed wash 701 Comment
  CLARK-A1528-4493  Avena barbata John C. Roos 1952-2-18 5353 Riverside Riverside 274 Comment
  UCR202437  Avena fatua Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  RSA0041957  Ayenia compacta Duncan S. Bell, Marcel Beffort 2014-4-22 6598 Riverside Chuckwalla Mountains; western end of Corn Springs wash/canyon; approximately 0.75 air mile southwest of Aztec Well. 671 Comment
  RSA0104436  Baccharis brachyphylla Duncan S. Bell, Evan Meyer 2014-10-28 7672 Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  POM319734  Baccharis emoryi Patricia Wilder 1971-11-17 5321 Riverside Along the Santa Ana River at end of Pedlay Sreet, north of Norco. 198 Comment
  CDA26800  Baccharis pilularis Mike Lahti 2008-10-21 PDR# 1509237 Riverside Temecula, 46062 Vista Del Mar at Los Gatos. 0 Comment
  CAS-BOT-BC106737  Baccharis salicifolia Elizabeth H. Daniels 1932-3-8 s.n. Riverside Mission Canyon, just south of Morongo Valley, Little San Bernardino Mountains Comment
  RSA774511  Baccharis salicifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4463 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SDSU12994  Baccharis salicifolia subsp. salicifolia Michael G. Simpson 1999-10-27 2025 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UC30364  Baccharis salicina E. G. Koethen 1897-10-16 Riverside West Riverside Comment
  CAS-BOT-BC99819  Baccharis sarothroides Edmund C. Jaeger 1938-11-2 s.n. Riverside gully near Gulliday Well, south-west base of Chuckawalla Mts. 274 Comment
  SBBG63299  Baccharis sarothroides R. C. and J. R. Robbins 1933-2-15 Riverside Pinyon Flat, Palms to Pines (St Hwy 74) Comment
  POM46867  Baccharis sergiloides George B. Grant 1906-05 s.n. Riverside Palm Springs Comment
  RSA772065  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4457 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UCR130082  Bacopa monnieri G. R. Ballmer 2003-11-22 s.n. Riverside Colorado River Valley, Northern Paloverde Valley, east of Hwy 95, c. 5 miles NE of Blythe, east end of 2nd Ave. 87 Comment
  RSA550041  Bahiopsis parishii Walter Wisura, A. King, L. Newcomb 1992-4-10 4666 Riverside Low Desert: Mission Creek Ranch W of Hwy 62 below Morongo Valley Comment
  UC665848  Baileya pauciradiata Ira L. Wiggins 1941-3-24 9571 Riverside 0.3 mi s, 4.6 mi n of Indio Myoma Comment
  UCR138576  Baileya pleniradiata Steve Boyd, Orlando Mistretta 1986-3-13 1439 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR33596  Baileya pleniradiata Sears 1978-3-18 905 Riverside Sonoran (Colorado) Desert, 1.5 mi from Interstate 10 down Wiley's Well Road, 17 mi west of Blythe, Chuckwalla Valley 122 Comment
  UC164871  Baileya pleniradiata S. B. Parish 1902-6-30 8093 Riverside Juniper Valley Comment
  RSA741015  Barbarea orthoceras Scott D. White, Justin M. Wood 2008-6-18 12232 Riverside K Flat Meadow. 1433 Comment
  UC123563  Bebbia juncea var. aspera F. M. Reed 1908-7-14 2451 a Riverside near Oak Knoll (on road to Idyllwild); San Jacinto Mountains 914 Comment
  UC893872  Bebbia juncea var. aspera I. W. Clokey 1935-4-17 6966 Riverside Shavers Wells Comment
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Dec 13 2011
  UCR9411  Bellis perennis O. F. Clarke 1970-2-13 s.n. Riverside San Bernardino Valley, At the reservoir on East University Ave., Riverside 366 Comment
  RSA557321  Bergia texana Julie Greene, S. D. Boyd, D. E. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1432 Riverside San Jacinto Wildlife Area: from the edge of drying flood area. 433 Comment
  SD148179  Bergia texana D. E. Bramlet, A. C. Sanders, et al. 1999-10-15 2819 Riverside 198 meters south of Gilman Hot Springs Road, 1.22 km northwest of Highway 79 and 2.1 km south of Jackrabbit trail. 433 Comment
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Mar 21 2011
  UCR17557  Bergia texana John C. Roos 1952-5-28 5730 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  SD51809  Bernardia incana Rimo Bacigalupi, L. R. Heckard 1953-5-5 4075 Riverside Along the Palms to Pines Highway, above Seven Level Hill, western slopes of Deep Canyon, about half way between the Santa Rosa Mountains and the San Jacinto Mountains. Comment
  NY43196  Bernardia myricifolia J. B. Walker 1995-5-3 1405 Riverside S of Palm Desert, along Hwy 74, 3km E of Pinyon Flats Campground 1200 Comment
  SBBG81103  Bidens laevis S. Cantrell, W. Appleby 1985-9-19 Riverside Santa Ana River Regional Park, Riverside, S side of river; T2S, R5W SW 1/4 S30 207 Comment
  UC1563102  Boechera californica Steve Boyd, Tim Ross, and Laurel Arnseth 1989-5-7 3568 Riverside along Arroyo Seco drainage from jct with Kolb Creek, s to within 0.25 mi of Hwy 79 Vail Lake Area 457 Comment
  RSA776753  Boerhavia coccinea Steve Boyd, Gary D. Wallace 2005-7-30 11657 -B Riverside Chino Canyon, southern base of the range, upper end of main parking lot at Valley (lower) station of the Palm Springs Aerial Tramway 793 Comment
  SEINET3228131  Boerhavia coulteri G. Rink 2012-9-1 11654 Riverside Blythe Solar Power Plant (proposed) about 10 miles northwest of Blythe 160 Comment
  SEINET3092312 Image available Boerhavia erecta var. intermedia Robert F. Thorne, Rolf and Gertrud Dahlgren 1979-8-23 53604 Riverside Pinto Basin Road: Along road, 4.5 miles S of meeting area of Mojave and Colorado Deserts. Comment
  UCR242290  Boerhavia erecta var. intermedia A. C. Sanders, T. B. Salvato 2012-10-12 40419 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  CAS-BOT-BC502087  Boerhavia triquetra A. C. Sanders; Jim Malusa 2015-9-10 41849 Riverside Sonoran (Colorado) Desert: Salt Creek Canyon, along Summit Rd c. 1.5 mi above mouth of Red Canyon, edge of Chocolate Mtns Aerial Gunnery Range 433 Comment
  JOTR30838  Boerhavia triquetra La Doux, Tasha, Jim Andre 2008-9-16 348 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  SFV1120  Boerhavia triquetra var. intermedia M. L. Vincent, R. H. Swade 1963-10-19 468 Riverside On California State Highway 74 about 6 miles south of Palm Desert. Roadside. Comment
  RSA339620  Boerhavia wrightii Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53572 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains. 1098 Comment
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Apr 25 2011
  SEINET2043231 Image available Boerhavia wrightii Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Colorado/Sonoran Desert: Canyon Spring, Orocopia Mountains (Red Canyon Quad 7.5') 372 Comment
  UCR85636  Bolboschoenus glaucus A. C. Sanders 1993-4-5 13700 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  SBBG81715  Bouteloua aristidoides S. A. Junak 1983-3-23 1641 Riverside Berdoo Cyn Rd, 2.4 mi E of Dillon Rd, Little San Bernardino Mtns 411 Comment
  UCR49787  Bowlesia incana D. C. Hawks, G. Bruyea 1987-4-3 s.n. Riverside Peninsular Range, Gaylord property, NW of Aguanga 550 Comment
  JOTR35013  Brandegea bigelovii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3112 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  SBBG122883  Brandegea bigelovii S. D. White 2005-4-14 10893 Riverside bajada beneath Mecca Hills, just E of Coachella Canal 24 Comment
  SBBG7425  Brandegea bigelovii H. and M. Dearing 1949-4-6 6740 Riverside Box Cyn Comment
  UC750617  Brandegea bigelovii Lewis S. Rose 1946-12-27 46311 Riverside Dead Indian Creek Wash, Palms to Pines Highway Dead Indian Creek Wash 274 Comment
  UCD107473  Brandegea bigelovii Lewis S. Rose 1967-12-21 67187 Riverside 2 mi. s. of Palm Desert. 60 Comment
  UCR131015  Brandegea bigelovii Karen Kirtland 1998-11-6 s.n. Riverside Sonoran (Colorado) Desert, sand and gravel mine c. 8 miles (airline) north of Blythe, SW of Big Maria Mtns. on Midland Road 137 Comment
  SD132412  Brassica fruticulosa A. C. Sanders, O. F. Clarke 1989-4-5 9035 Riverside Box Springs Mountains, on the east edge of Riverside; at the end of the dirt road in Two Trees Canyon. Comment
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Sep 10 2011
  SBBG98217  Brassica juncea N. C. Cooper 1944-6-17 1387 Riverside W side of San Jacinto Mtn 1371 Comment
  RSA357782  Brassica tournefortii R. F. Thorne, M. Z. Thorne 1973-3-30 42671 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA543311  Brassica tournefortii Steve Boyd 1991-3-17 5485 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA776014  Brassica tournefortii Duncan S. Bell 2010-3-20 614 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  POM351103  Brickellia arguta Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UC1523410  Brickellia atractyloides Robert F. Thorne and W. A. Tilforth 1980-5-28 54208 Riverside 3.2 mi n, w from Whitewater Canyon Hwy 10 and Whitewater P. O.; San Bernadino Mts. 609 Comment
  UCR34878  Brickellia californica L. B. Ziegler 1973-10-20 520 Riverside San Jacinto Mtns., Hemet (Garner) Valley, W side of valley. 1500 Comment
  CAS-BOT-BC106195  Brickellia desertorum Alice Eastwood 1913-4-30 3065 Riverside Palm Canyon [Canon], Palm Springs Comment
  UCR256791  Brickellia desertorum T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7876 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  JOTR32320  Brickellia incana 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
  LA102370  Brickellia nevinii John C. Roos; 1965-9-12 sn Riverside Santa Ana Mountains, Tin Mine Canyon, 3 mi. SW of Corona 548 Comment
  RSA180345  Brodiaea terrestris subsp. kernensis E. W. Lathrop 1960-6-8 4928 Riverside 14 miles west of Murrieta. Comment
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Apr 28 2011
  RSA781209  Bromus berteroanus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37709 Riverside Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.3 mi NNE (14 deg ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 405 Comment
  UCD57762  Bromus berteroanus Peter H. Raven 1958-5-5 12882 Riverside Jumbo Rocks Camp Ground. Joshua Tree National Monument. Comment
  SBBG56586  Bromus carinatus M. N. Ackley 1929-5-19 Riverside Tahquitz Lodge 1524 Comment
  RSA597943  Bromus catharticus F. M. Reed 1933-6-23 7863 Riverside Riverside., (Near 33 deg 57.5'N, 117 deg 21'W.) 290 Comment
  CAS-BOT-BC155601  Bromus grandis Scott D. White 1996-8-1 4442 Riverside San Jacinto Mountains. Idyllwild area. North of Strawberry Valley, between Bear Trap Canyon and Lily Creek. 1615 Comment
  SEINET239051 Image available Bromus grandis George K. Helmkamp 1998-6-27 4118 Riverside Sana Rosa Mountains. 5.8 miles southeast of highway 74 along Santa Rosa Mountain road (=Santa Rosa Truck Trail = F.S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UCSB45594  Bromus hordeaceus Roos, J. 1939-5-13 Riverside La Sierra Comment
  VVC551  Bromus hordeaceus A. C. Sanders, J. Mac 1997-5-4 20690 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  SD248298  Bromus madritensis subsp. rubens A. C. Sanders, John F. Green 2012-3-26 39998 Riverside Peninsular Range;, Santa Ana Mountains Area: Temescal Canyon, mouth of a small canyon between Horsetheif Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Road (Alberhill 7.5'Q) 369 Comment
  RSA326156  Bromus orcuttianus var. hallii John F. Emmel 1981-5-25 7769 Riverside San Jacinto Mountains; Idyllwild; large meadow between Strawberry Creek and USC ISOMATA campus. 1524 Comment
  CLARK-A1528-4553  Bromus rubens John C. Roos 1952-4-2 5465 Riverside Box Springs 426 Comment
  RSA524447  Bromus rubens Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4083 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA678387  Bromus rubens Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10454 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
  UCR174040  Bromus rubens A. C. Sanders 2006-5-19 32462 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR241785  Bromus tectorum A. C. Sanders, Timothy W. Chumley 2013-4-1 40722 Riverside Peninsular Range; Elsinore Valley, Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  UCR85641  Bromus tectorum A. C. Sanders 1993-4-5 13689 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  JEPS24876  Caesalpinia virgata Peter M. Ray 1949-3-12 1379 Riverside e. Mecca (Painted Canyon, Orocopia Mts.); Orocopia Mts., Painted Canyon Comment
  POM14395  Caesalpinia virgata P. A. Munz, D. D. Keck 1922-4-9 4753 Riverside Shavers Well, near Mecca. 76 Comment
  RSA697936  Caesalpinia virgata J. Russell Bruff 1929-12-27 446 Riverside 1000 Palms. Comment
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Nov 9 2011
  SEINET7347688  Caesalpinia virgata N. H. Holmgren, P. K. Holmgren 1974-3-23 7462 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 244 Comment
  UC1128934  Caesalpinia virgata H. S. Yates 1936-4-7 5447 Riverside 8 mi. n. Mecca; Thermal Quad. Comment
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Dec 24 2010
  UC555387  Caesalpinia virgata Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Comment
  SDSU13677  Calandrinia ciliata Jutta Buschbom 1991-6-9 48 b 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
  UCR166160  Calandrinia ciliata 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
  UCR98182  Calandrinia ciliata Scott D. White 1997-2-9 4679 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
  UCR104625  Callitriche marginata D. E. Bramlet 1992-4-3 2206 Riverside 7.3 km SW of Hemet, 30 m east of California Ave and 108 m north of the AT & SF railroad tracks, NE of the intersection of California Ave. and Marvin Hull Road and 305 m west of the MWD Canal Comment
  RSA0120439  Calochortus concolor Duncan S. Bell, LeRoy Gross 2016-5-18 9596 Riverside Santa Rosa Mountains; west side of Martinez Mountain; hills in the northern section of Little Pinyon Flat. 1316 Comment
  RSA773121  Calochortus concolor Duncan S. Bell, Ryan Parker 2010-6-1 1232 Riverside San Bernardino National Forest: Rouse Ridge, approximately 2.4 air miles southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 992 Comment
  UCR138761  Calochortus concolor Scott D. White 1997-5-18 5167 Riverside San Jacinto Mtns., Northern Escarpment south of Banning: along Hwy 243, c. 5 road mi SE of Banning and 5 road mi NW of Vista Grande 1159 Comment
  UC3447  Calochortus plummerae H. M. Hall Jun 1901 2015 Riverside Canyon of the San Jacinto River San Jacinto Mountains 762 Comment
  UCR119826  Calochortus plummerae Mitch Provance 1998-6-9 631 Riverside Jurupa Mountains, SE Pyrite Canyon, c. .3 km NW of the Jurupa Mountains Culture Center. 366 Comment
  UCR121085  Calochortus plummerae A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24962 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  JEPS61723  Calochortus splendens W. L. Jepson 1901-5-17 1228 Riverside Riverside 266 Comment
  POM122478  Calycadenia tenella Marcus E. Jones 1926-5-31 s.n. Riverside Corona Comment
  RSA3969  Calycoseris wrightii C. B. Wolf 1932-4-29 3107 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 243 Comment
  SBBG37955  Calyptridium monandrum T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UCR60246  Calyptridium monandrum R. F. Thorne, M. Z. Thorne 1973-3-30 42685 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  RSA282929  Calyptridium parryi C. W. Tilforth, B. Busenberg 1980-6-17 2016 Riverside Along Thomas Mtn Rd south of Lake Hemet, west of Hwy 74. 1662 Comment
  SDSU5682  Calystegia macrostegia subsp. tenuifolia James C. Dice, Tu Chung 1987-10-19 740 Riverside Along road to Field Station, ca. 0.4 km ENE of Field Station site. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 347 Comment
  POM66476  Camissonia arenaria Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sink near Oasis. Comment
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Mar 27 2010
  RSA72279  Camissonia bistorta Robert L. Dressler 1949-7-3 902 Riverside 7 miles south of Lake Elsinore. Sandy field. 427 Comment
  SEINET3093103 Image available Camissonia bistorta Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi S of intersection with Wilson Valley Road. (Sage 7.5' USGS quad). Comment
  UCR154407  Camissonia bistorta A. C. Sanders, Mike Misenhelter 2005-6-15 30944 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
  CLARK-A1528-655  Camissonia boothii Charlotte Stocks 1964-4-20 Riverside Coachella Comment
  RSA9345  Camissonia boothii subsp. condensata Mary F. Spencer 1920-4-3 1445 Riverside Colorado Desert, Palm Springs, in desert sand. 122 Comment
  UCR239880  Camissonia californica O. F. Clarke 2004-3-31 s.n. Riverside Along Redlands Blvd. in the Badlands, between Moreno Valley and San Timoteo Canyon 655 Comment
  UCR274811  Camissonia cardiophylla Aaron C. Sedgwick, David Fraker 2012-4-24 012 Riverside Sonoran (Colorado) Desert, Palen Valley south of Power Line Road that paralleles Hwy I-10 159 Comment
  SEINET10492047  Camissonia cardiophylla David B. Dunn, Howard Brown 1947-1-12 Dunn 2843 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  RSA454784  Camissonia chamaenerioides E. C. Jaeger 1922-4-29 731 Riverside Murray Canon, Colorado Desert. 274 Comment
  UCR103566  Camissonia claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-18 2710 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  CLARK-A1528-3359  Camissonia claviformis subsp. aurantiaca John C. Roos 1937-4-18 1366 Riverside Snow Creek Comment
  RSA449183  Camissonia claviformis subsp. aurantiaca Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR133370  Camissonia confusa Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 294 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCR20818  Camissonia confusa A. C. Sanders 1980-5-22 1505 Riverside San Jacinto Mtns., Hwy 243, 0.6 mi above the foot of the mtn. at Smith Creek 732 Comment
  SEINET7040180  Camissonia graciliflora A. G. Vestal 1962-3-29 Riverside 4.2 miles east of Murrietta [near Murrietta Hot Springs]. UTM Zone 11, 487862mE, 3712342mN. Comment
  UCR133355  Camissonia hirtella Tracy Tennant, J. S. Ross 1998-5-7 MOR- 121 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR213569  Camissonia hirtella A. C. Sanders, Matthew Malle 2010-4-23 37995 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR50297  Camissonia hirtella B. G. Pitzer, Et al. 1987-5-23 0566 Riverside San Bernardino Mtns., Whitewater Canyon, from N edge of Fish Hatchery to c. 0.5 mi north of it; c. 5.5 mi north of I-10 on Whitewater Cyn Rd. 732 Comment
  RSA613897  Camissonia ignota A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19853 Riverside [Skinner Reservoir] 457 Comment
  UCR214545  Camissonia ignota A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37845 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  RSA465916  Camissonia pallida subsp. pallida N. C. Cooper 1949-3-15 3014 Riverside Cabazon. 549 Comment
  RSA567647  Camissonia refracta A. C. Sanders, E. J. Lawlor 1992-4-4 12099 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UC1186514  Camissonia refracta E. G. Linsley and J. W. MacSwain 1960-3-2 60 -5 Riverside 2 mi w Desert Center Comment
  POM157904  Camissonia strigulosa P. A. Munz 1927-5-20 10817 Riverside 10 miles south of Hemet. Comment
  SBBG104645  Camissonia strigulosa M. A. Patten 1992-5-14 92 -5 Riverside Cherry Valley, just N of Cherry Park Drive between Mtn View Avenue and Beaumont Avenue Comment
  SDSU3405  Camissonia strigulosa H. Wedberg 1958-3-30 197 Riverside On Cajalco Road, 0.2 mile west of Cajalco Fire Control Station, and 0.1 mile west of Mockingbird Canyon Road. Comment
  UC1929982  Camissonia strigulosa Scott D. White, Justin Wood 2008-5-15 11974 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. Comment
  SD133162  Camissoniopsis hirtella Scott White 1991-5-10 91 136 Riverside Highway 79, immediately west of US Forest Service Camground at Dripping Springs 550 Comment
  SBBG61369  Camissoniopsis pallida L. R. Abrams 1903-4-6 3228 Riverside Cabazon Comment
  UCR109623  Carduus pycnocephalus R. D. Goeden, Don W. Ricker 1972-5-11 s.n. Riverside Box Springs Mtns., Highgrove, National Orange Co. property beyond E end of Palmyrita Ave. 412 Comment
  RSA364633  Carex fracta M. B. Dunkle 1933-7-19 3666 Riverside Strawberry Valley. San Jacinto Mountains. 1707 Comment
  UC729830  Carex multicostata Carl B. Wolf 1932-8-5 3947 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  RSA0042250  Carex praegracilis Jeri Hirshberg 1989-7-26 s.n. Riverside Vicinity of Vail Lake: spring in Butterfield country. Comment
  RSA648963  Carex praegracilis A. C. Sanders, Steve Boyd 1980-5-19 1501 Riverside San Jacinto Mtns., Garner Valley. west of Kenworthy Ranger Station. 1371 Comment
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Mar 25 2011
  UCR129832  Carex praegracilis E. W. Lathrop 1959-5-17 4544 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 10 miles west of Murrieta Comment
  UC213316  Carex schottii I. M. Johnston 1918-4-27 1859 Riverside Murrieta 304 Comment
  SEINET3386517 Image available Carrichtera annua Fred M. Roberts 2007-1 6512 Riverside Southern Coast: Carlsbad, La Costa Greens Ecological Reserve, east side of El Camino Real c. 2 Km south of Palomar Airport Rd. 52 Comment
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Nov 20 2014
  SEINET959647  Carya illinoinensis Unknown 2003-1 26778 Riverside Temescal Valley: Lawson Drive near Glen Ivy, in a wetland reserve area for the Trilogy development (lake Mathews 7.5) 335 Comment
  JEPS13641  Castilleja applegatei subsp. martinii Peter Kamb 1948-7-3 1145 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  RSA0010962  Castilleja applegatei subsp. martinii Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 636 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC64212  Castilleja applegatei subsp. martinii H. M. Hall Jul 1901 2580 Riverside Tauquitz Valley; San Jacinto Mountains 2133 Comment
  UCR133187  Castilleja densiflora subsp. gracilis Frank C. Vasek 1978-5-12 s.n. Riverside Santa Ana Mtns., Tenaja Road, c. 0.5 mi. east of Clinton Keith Rd. 671 Comment
  UCR20784  Castilleja exserta A. C. Sanders, Steve Boyd 1980-5-2 1410 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA741054  Castilleja exserta subsp. exserta Scott D. White, Justin M. Wood 2008-6-5 12061 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  CLARK-A1528-4176  Castilleja foliolosa E. W. Lathrop 1966-3-2 Riverside 853 Comment
  UC1552003  Castilleja foliolosa Lyman Benson 1946-4-15 12038 Riverside along 29 Palms Rd from town of Whitewater; San Bernardino Mtns., Colorado Desert 457 Comment
  UC26428  Castilleja foliolosa H. M. Hall Jun 1901 2084 Riverside vicinity Chalk Hill; San Jacinto Mountains 1371 Comment
  RSA531105  Caulanthus cooperi M. B. Dunkle 1935-3-30 4422 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA0012051  Caulanthus heterophyllus Steve Boyd, Susan Jett 2008-3-20 11832 Riverside Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  UCR12555  Caulanthus heterophyllus Wayne Miller 1972-4-14 720414 5 Riverside Reche Canyon, 5 mi from BartonRd. turnoff on Reche Canyon Road. 610 Comment
  UCR263215  Caulanthus heterophyllus Ed Kentner, Onkar Singh 2014-4-4 366 Riverside Cleveland National Forest, near Main Divide Road c. 2 km southeast of Ortega Hwy 843 Comment
  UCR62238  Caulanthus heterophyllus R. Montijo 1990-4-27 s.n. Riverside Rancho California Area: east of Santa Rosa Plateau [and of Skinner Reservoir], Green Meadow Road off of de Portola Road 610 Comment
  RSA517101  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-19 3018 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  RSA569988  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7922 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  SEINET13945805 Image available Ceanothus crassifolius Scott D. White 1996-1 3873 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. 1480 ft elev. (450m),+- 40 ft. S of rd along mapped intermittent blueline stream. 33 deg. 371/2'N, 117 deg. 15'W. T6S, R4W, NW1/4 of NW1/4 of S25. 450 Comment
  UCD111427  Ceanothus crassifolius Frank W. Gould 1944-4-4 2216 Riverside 10 miles southeast of Temecula on Highway 71. Comment
  UCR76761  Ceanothus crassifolius B. G. Pitzer, Stu Hemstreet 1992-5-21 1949 Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  RSA575054  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -H Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA25737  Ceanothus cuneatus Carl B. Wolf 1941-8-12 11144 Riverside San Jacinto Mts. 4 mi. so. of Idylwild on road to Tauquitz lodge. 1372 Comment
  RSA0019578  Ceanothus cuneatus var. cuneatus Bill Wagner 1989-3-31 s.n. Riverside Approx. 9 mi SW of Anza, on the W side of Hwy 371. 976 Comment
  CAS-BOT-BC51286  Ceanothus leucodermis Herbert L. Mason 1926-4-30 3113 Riverside Temecula Canyon, 1 mile South of Temecula, Southwestern Riverside Co. Comment
  JEPS42322  Ceanothus leucodermis W. L. Jepson 1903-8-5 2263 Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  SD129400  Ceanothus leucodermis Steve Myers 1990-3-21 Riverside Santa Rosa Plateau area: Along Los Gatos Road, 1/2 mi. S of Buena Vista Road (2 mi. W. of Sandia Canyon, & 0.1 mi. N of San Diego County Line) 366 Comment
  UC494740  Ceanothus leucodermis Philip A. Munz 1932-3-24 12027 Riverside s of Lake Elsinore (base of mts.) 365 Comment
  UCSB7074  Ceanothus leucodermis Lloyd, Robert 1960-3-23 Riverside 2 miles up Snow Canyon Rd. from State Highway 111; Mt. Range: San Jacinto 609 Comment
  POM254876  Ceanothus oliganthus W. Pequegnat 1940-3-13 s.n. Riverside Bedford Road, Santa Ana Mts. 854 Comment
  CAS-BOT-BC83761  Ceanothus ophiochilus D. O. Burge 2007-3-20 800 b Riverside Agua Tibia Wilderness Area, Cleveland National Forest 660 Comment
  RSA570224  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7893 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
  SBBG105057  Ceanothus ophiochilus S. Boyd with K. Boyd 1993-3-28 7909 Riverside Palomar Range S of Vail Lake, N base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Rd 792 Comment
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Jul 12 2012
  UC1594221  Ceanothus ophiochilus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3097 Riverside 1 mi W of Vail Lake 609 Comment
  RSA0019594  Ceanothus palmeri Valerie L. Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1698 Riverside Fuller Mill Creek just N of junction with Dark Canyon. 1494 Comment
  RSA6035  Ceanothus palmeri Carl B. Wolf 1932-8-4 3920 Riverside San Jacinto Mountains: Point View near Idyllwild 1646 Comment
  CAS-BOT-BC83767  Ceanothus perplexans D. O. Burge 2007-3-21 802 b Riverside San Jacinto Mountains, along Hwy 243 1280 Comment
  RSA495804  Ceanothus tomentosus subsp. olivaceus Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2913 Riverside Southwest end of Oak Mountain northwest of Vail Lake. T8S, R1W NE corner sec. 5. 549 Comment
  SD99587  Celtis reticulata Wayne P. Armstrong 1977-11-19 Riverside Ao mile up canyoin above Gilman Ranch House 853 Comment
  RSA598145  Cenchrus spinifex D. L. Banks, Lauren Raz 1996-8-29 1133 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
  CDA7291  Centaurea X pouzinii R. M. Howie 1952-6-7 Riverside Fuller Rancho, near Corona. 0 Comment
  CDA7300  Centaurea X pouzinii Gene Drake 1989-12-8 Riverside Corona. DeGroot Dairy, Archibald and Greenwine. 0 Comment
  SD224835  Centaurea benedicta M. A. Patten 1992-5-14 92 7 Riverside Cherry Valley, just N of Cherry Park Drive between Mountain View Avenue & Beaumont Avenue. Comment
  RSA618393  Centaurea melitensis Darin L. Banks 1997-5-5 1970 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  UCR193853  Centaurea solstitialis John F. Green 2008-7-9 s.n. Riverside Peninsular Range, Menifee Valley, Briggs Rd. south of Scott Rd. and north of Woodbine Lane 447 Comment
  UCR243513  Centrostegia thurberi Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21081 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 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
  POM15153  Cercidium floridum Mary F. Spencer 1922-3-27 1403 Riverside Canyon prope [near] Mecca 49 Comment
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May 29 2011
  POM14551  Cercidium floridum Alice Eastwood 1913-4-30 3004 Riverside Palm Springs. Comment
  LA47742  Cercocarpus betuloides W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  RSA16368  Cercocarpus betuloides Percy C. Everett 1935-6-17 7163 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  RSA650397  Cercocarpus betuloides C. J. Humphrey, Herbert Humphery, E. T. Bartholomew 1936-6-7 130 Riverside In desert foothills 16 miles north of Riverside. 396 Comment
  UCR193970  Cercocarpus betuloides A. C. Sanders 2008-7-25 35916 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  CAS-BOT-BC135496  Cercocarpus betuloides var. betuloides K. Watkins; E. McClintock 1937-4-10 s.n. Riverside Palms to Pines Highway near road to Shumay Comment
  RSA773041  Cercocarpus betuloides var. betuloides Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5040 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  RSA192332  Cercocarpus minutiflorus E. W. Lathrop 1966-3-20 6071 Riverside 10 miles west of Murrieta on the Tenaja Truck Trail between DeLuz and Tenaja Guard Station, Trabuco District. Comment
  UC894410  Chaenactis artemisiifolia E. C. Jaeger 1922-6-23 Riverside w slope of San Jacinto Mts. San Jacinto Mts. 1005 Comment
  UCR251908  Chaenactis carphoclinia Jim Andre 2013-3-27 24837 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  POM66298  Chaenactis carphoclinia var. carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UC1424854  Chaenactis carphoclinia var. carphoclinia C. W. Tilforth, J. Dourley, W. Wisura 1977-5-19 1326 Riverside ca. 2 mi s of, and Hiway 62 along Blythe-Rice Rd. Rice 266 Comment
  UC565569  Chaenactis carphoclinia var. carphoclinia Margaret Stason 1927-2-12 Riverside 1000-Palm Canyon Colorado Desert, 1000-Palm Canyon Comment
  UCR216209  Chaenactis carphoclinia var. carphoclinia Jim Andre, T. La Doux 2009-2-25 10830 Riverside Sonoran (Colorado) Desert, Big Maria Mountains, along west side of Hwy 95 just south of Black Point, c. 15 miles north of Blythe 94 Comment
  JOTR30640  Chaenactis fremontii La Doux, Tasha, Erin Babich 2008-4-21 1802 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  SEINET2042093 Image available Chaenactis fremontii A. C. Sanders 2001-4-8 23973 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Garnet, along transmission line route, E of Garnet. T3S R4E S15 (center of W/2) 232 Comment
  UC1539719  Chaenactis fremontii Chas. B. Fiker 1946-4-16 3414 Riverside w side of Colorado Desert Comment
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Mar 23 2014
  UCD130341  Chaenactis fremontii R. L. Smith 1948-3-24 s.n. Riverside foot of Andreas Canyon. Comment
  SD130354  Chaenactis glabriuscula Ed LaRue 1990-4-13 Riverside I(c) miles northwest of Aguanga, north of Highway 79 and west of Highway 371. 640 Comment
  UCR133425  Chaenactis glabriuscula Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 209 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCR92182  Chaenactis glabriuscula D. L. Banks 1995-5-3 0191 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
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Jun 4 2012
  CAS-BOT-BC172822  Chaenactis glabriuscula var. glabriuscula Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range: Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and W of Wilson Creek 915 Comment
  RSA388497  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1820 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  UC1537042  Chaenactis glabriuscula var. glabriuscula Gordon H. True Jr. 1935-5-15 112 Riverside Box Springs 34 Comment
  UC1595798  Chaenactis stevioides W. Wisura, J. Dolan, and M. Wall 1992-3-25 4644 Riverside 14.3 mi e Corn Spring Rd. (Chuckwalla Rd.) Comment
  UC217943  Chaenactis stevioides P. A. Munz and D. Keck 1922-4-9 4819 Riverside Hayfields, Chuckawalla Valley Colorado Desert, Chuckawalla Valley 152 Comment
  UCR214425  Chaenactis stevioides A. C. Sanders, Richard Dwerlkotte 2010-3-22 37506 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  SEINET3228133  Chamaesyce abramsiana G. Rink, T. Thomas and K. Routson 2012-9-1 11656 Riverside Blythe Solar Power Plant (proposed) about 10 miles northwest of Blythe 160 Comment
  JEPS51880  Chamaesyce albomarginata W. L. Jepson 1912-11-1 5621 Riverside Palo Verde Valley, Blythe 82 Comment
  POM2848  Chamaesyce polycarpa I. M. Johnston 1917-6-5 1254 Riverside Hills south of Arlington 366 Comment
  RSA0080444  Chamaesyce polycarpa Sarah J. De Groot, Amy Rouillard 2015-9-15 7575 Riverside Along Eagle Mountain Road north of I-10, at large wash crossing. West of Desert Center, western Chuckwalla Valley. 314 Comment
  RSA535080  Chamaesyce polycarpa Steve Boyd, T. S. Ross 1991-11-10 6628 Riverside Gavilan Hills, Harford Springs Park. Rocky slope of ridge on W side of large juniper grove area at th north-central end of the park. Comment
  RSA736554  Chamaesyce polycarpa Scott D. White, Angelia Carey 2004-7-2 10579 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  POM13901  Chamaesyce polycarpa var. hirtella P. A. Munz, D. D. Keck 1922-4-9 4774 Riverside Palm Springs. 76 Comment
  RSA346267  Chamaesyce polycarpa var. hirtella R. F. Thorne, Dick Tilforth, L. M. Shultz, J. Hogge 1980-4-16 54037 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  RSA191398  Chamaesyce serpillifolia E. W. Lathrop, Robert F. Thorne 1967-9-26 6648 Riverside 6 miles NW of Murrieta. Comment
  UC869128  Chamaesyce setiloba Lewis S. Rose 1938-12-24 38346 Riverside 19 mi e Indio (Indio-Blythe Rd) 3 Comment
  CLARK-A1528-3573  Cheilanthes clevelandii John C. Roos 1937-6-7 1798 Riverside Sage Comment
  RSA543748  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6052 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
  RSA685677  Cheilanthes clevelandii Norman C. Cooper 1944-5-6 1193 Riverside Banning. 701 Comment
  UCR151407  Cheilanthes clevelandii D. L. Banks 1997-3-1 1356 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Pechanga Creek, east of the'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 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
  RSA85537  Cheilanthes covillei F. W. Peirson 1922-4-10 s.n. Riverside Murray Canyon, Palm Springs Region. 457 Comment
  UC399603  Cheilanthes covillei I. M. Johnston 1917-4-4 1113 Riverside Palm Canyon 762 Comment
  POM18178  Cheilanthes newberryi Philip A. Munz 1923-3-10 6585 Riverside San Jacinto River, 3 miles from Elsinore Comment
  CAS-BOT-BC426314  Chenopodium album Malcom A. Nobs; S. Galen Smith 1948-9-3 485 Riverside Imperial Valley: Citrus grove 2 miles N of Indio Comment
  UCR126430  Chenopodium album T. B. Salvato, A. C. Sanders 2000-4-27 59 Riverside Coachella Valley, between Filmore & Buchanan on Avenue 56 -12 Comment
  UCR103222  Chenopodium berlandieri Scott D. White 1994-10-17 2463 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  SD187393  Chenopodium californicum Scott D. White, Angelia Carey 2004-4-16 10154 Riverside Indian Creek and adjacent slopes. 548 Comment
  UCR265463  Chenopodium fremontii Jordan Zylstra 2014-8-17 14020 Riverside San Jacinto Mountains, Fobes Canyon wash, adjacent to Fobes Ranch Road 1483 Comment
  SD186164  Chenopodium glaucum var. salinum A. C. Sanders 2002-12-13 25663 Riverside Temescal Valley; Trilogy at Glen Ivy at the confluce of Boxby and Anderson Canyons. 366 Comment
  UCR167456  Chenopodium murale 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
  RSA82479  Chilopsis linearis subsp. arcuata F. W. Peirson 1921-4-13 1173 Riverside Deep Canyon; north base of Santa Rosa Mountains, Riverside. 335 Comment
  UC27836  Chilopsis linearis subsp. arcuata H. M. Hall June, 1901 2112 Riverside e. base San Jacinto Mts. Colorado Desert, e. base San Jacinto Mts. Comment
  JEPS58859  Chimaphila menziesii Carl V. Meyer 1929-1-4 687 Riverside San Jacinto Mts., Saunder's Meadow Comment
  POM15199  Chimaphila menziesii Mary F. Spencer 1927-6-27 1972 Riverside Tahquitz trail, Idyllwild. 1829 Comment
  CAS-BOT-BC106014  Chloracantha spinosa var. spinosa Chris E. True; Laurel Salzman 2004-7-16 s.n. Riverside Perris Valley - 1 mile SE of Perris, San Jacinto River channel between Murrieta Rd. and Goetz Rd., SW of Case Rd. 429 Comment
  RSA585048  Chloris truncata V. McAfee-Jacobs, B. R. Drake 1995-11-6 1 Riverside Temecula: Drake Enterprises vineyard at Buck Rd. and Berenda Road Comment
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Apr 10 2009
  UC577429  Chloris virgata J. and H. W. Grinnell 1937-11-30 1081 a Riverside 24 mi w Blythe (bed of Ford Dry Lake); bed of Ford Dry Lake Comment
  UCD57938  Chloris virgata Malcolm A. Nobs; S. Galen Smith 1948-9-3 490 Riverside Imperial Valley, 2 miles north of Indio. Comment
  UCR148471  Chorizanthe brevicornu 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
  POM122109  Chorizanthe brevicornu var. brevicornu Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  POM13047  Chorizanthe brevicornu var. brevicornu P. A. Munz, D. D. Keck 1922-4-9 4859 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  UCR228933  Chorizanthe coriacea A. C. Sanders 2011-4-6 39000 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  JEPS57633  Chorizanthe corrugata W. L. Jepson 1927-4-14 11702 Riverside Silent Canyon or foothills Santa Rosa Mountains; foothills Santa Rosa Mountains or Silent Canyon 304 Comment
  UC70080  Chorizanthe corrugata E. E. Schellenger Apr. 1905 Riverside Santa Maria Mountains Colorado Desert, Santa Maria Mountains Comment
  UCD169658  Chorizanthe fimbriata R. F. Thorne; E. W. Lanthrop, W. Wisura 1977-7-8 49557 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. 880 Comment
  UCR19724  Chorizanthe parryi var. parryi J. R. Holliday 1969-5-5 40 Riverside Peninsular Range; San Jacinto Mtns. Foothills, Hwy 79, 1.5 mi NW of Gilman Hot Springs, 200 yards north of the road junction 463 Comment
  UCR154432  Chorizanthe polygonoides subsp. longispina A. C. Sanders, Mike Misenhelter 2005-6-15 30940 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-BC257188  Chorizanthe polygonoides var. longispina D. E. Bramlet 1989-4-7 1815 Riverside Perris-Aguanga Basin region: Lake Skinner County Park, south of Lake Skinner, 500 ft. west of Old Warren Rd. and 100 ft. north of the E-W access road 518 Comment
  RSA596943  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-26 2396 Riverside Shipley multi species reserve; Beside (E.) equestrian trail above a large ephemeral wash and approximately 122m SW of Tucalota Creek. The site is 610m north of access road BM 1487. 488 Comment
  UCR48397  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1796 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UCR78441  Chorizanthe polygonoides var. longispina Scott D. White 1993-4-20 1207 Riverside Estelle Peak, Gavilan Hills 826 Comment
  RSA0121214  Chorizanthe rigida Duncan S. Bell, LeRoy Gross 2016-3-8 8818 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of the range, approximately 2 air miles east southeast of the summit for the range. 603 Comment
  RSA392738  Chorizanthe rigida Anstruther Davidson 1920-1 s.n. Riverside Mecca. Comment
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Oct 26 2009
  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
  UCR177642  Chorizanthe staticoides 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
  CAS-BOT-BC36264  Chrysolepis sempervirens Carl B. Wolf 1932-8-5 3987 Riverside San Jacinto Mts., along trail from Tahquitz Valley to San Jacinto Peak, between 1st and 2nd wet meadow 2743 Comment
  UCR58723  Chrysolepis sempervirens Reid Moran 1973-7-28 21107 Riverside Santa Rosa Mtns, Summit of Toro Peak 2500 Comment
  POM352019  Chrysothamnus paniculatus H. de Forest 1932-11-13 s.n. Riverside Ephedra area along road to Palm Spring near snow Creek bridge Comment
  SBBG81682  Chylismia brevipes S. A. Junak 1983-3-24 1658 Riverside N side of Hwy 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  SFV21965  Chylismia brevipes J. N. Hogue 2011-3-27 376 .1 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash at Corn Springs. 490 Comment
  RSA0025897  Chylismia brevipes subsp. brevipes Jim Andre 2013-3-4 23869 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  SEINET13009282  Chylismia brevipes subsp. brevipes J. S. Horton 1973-3-19 698 Riverside 5 miles west of Desert Center. 366 Comment
  SEINET5344233  Chylismia brevipes subsp. brevipes I. W. Clokey 1935-4-17 6763 Riverside Shafer Wells - Cottonwood Springs 25 Comment
  SBBG119106  Chylismia claviformis W. L. Halvorson 1977-3-8 77 -90 Riverside Joshua Tree Nat Monument, ca. 1 mi S of the S park entrance Comment
  CAS-BOT-BC160628  Chylismia claviformis subsp. aurantiaca Ivan Johnston 1917-4-4 1084 Riverside Palm Canyon 304 Comment
  UCD103919  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11570 Riverside Corn Springs, Chuckwalla Mountains. Comment
  UCR115927  Cichorium intybus Mitch Provance 1996-5-13 1083 Riverside Pedley, Horseshoe Lake, c. 300m SW of BM 718, and c. 0.4 mi north of the Santa Ana River 216 Comment
  RSA0123701  Cirsium neomexicanum Duncan S. Bell, Thomas Stoughton 2016-4-12 9235 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.75 air miles northwest of Rabbit Peak. 698 Comment
  RSA0059654  Cirsium occidentale Steve Boyd, Tim Ross 1991-6-14 6403 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA65432  Cistanthe ambigua F. W. Peirson 1926-1-31 6485 Riverside About a mile above station on Mecca Road, Dos Palmas. Colorado Desert. Comment
  RSA733814  Cistanthe monandra Keith E. Hoffmaster 1935-3-31 569 -343 Riverside Palm Springs Comment
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Aug 27 2011
  POM48378  Cistanthe monosperma Mary F. Spencer 1919-7-6 1264 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  RSA525354  Clarkia epilobioides Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4451 A Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  HSC84170  Clarkia purpurea Karin Cleary 1987-5-20 38 Riverside Banning Bench, at the edge of the San Gragonio River Canyon, .8 km S of the end of the paved road on the Banning Bench Rd. 1213 Comment
  CAS-BOT-BC163862  Clarkia purpurea subsp. quadrivulnera Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  SEINET6944614  Clarkia purpurea subsp. quadrivulnera W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. Comment
  RSA458859  Clarkia rhomboidea N. C. Cooper 1945-5-24 1649 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA519206  Claytonia parviflora subsp. parviflora M. Lee Overholtzer 1961-3-12 130 Riverside 6 miles south of Corona and 1 mile up Hagador Canyon. Comment
  UCR121656  Claytonia parviflora subsp. viridis A. C. Sanders 1995-4-13 16488 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  UC9078  Clematis ligusticifolia H. M. Hall 1901-7-20 2528 Riverside water courses in vicinity of Strawberry Valley; San Jacinto Mts. 1615 Comment
  SBBG114206  Clematis pauciflora C. Bornstein, E. Collins 1992-4-13 Riverside Hwy 74 (Ortega Hwy) near summit 762 Comment
  UCR107383  Clematis pauciflora B. G. Pitzer 1997-3-23 2959 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
  UCR16742  Clematis pauciflora Rodney Hendrick 1965-5-2 s.n. Riverside Peninsular Range, Temecula Creek and Hwy. 71 610 Comment
  RSA0117452  Collinsia concolor Duncan S. Bell, Lucilla Reccia 2010-5-5 965 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 791 Comment
  RSA0117460  Collinsia concolor Duncan S. Bell, Valentin Arvizu 2010-5-24 1100 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  UCR20883  Collinsia concolor A. C. Sanders 1978-7-3 999 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  UCR23209  Collinsia concolor J. C. Lyman 1981-5-31 s.n. Riverside San Jacinto Mtns., May Valley Road, Idyllwild 1768 Comment
  UCR281529  Collinsia concolor Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 90 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  UCR171984  Collinsia heterophylla John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  UCR43233  Commelina benghalensis I. Lazcano F. 1986-5-14 s.n. Riverside U.C. Riverside Campus, vegetable gardens in the Family Housing area. Comment
  UCR173146  Conium maculatum Abby Sirulnik 2000-5-4 28 Riverside Hidden Valley Wildlife Area; 11401 Arlington Ave., Riverside; along the Santa Ana River near La Sierra 244 Comment
  UCR201428  Convolvulus arvensis Scott D. White, Justin M. Wood 2008-6-17 12162 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  UC1595730  Convolvulus simulans Steve Boyd and Tim Ross 1991-6-14 6405 Riverside rolling hills just sw jtn of Briggs Rd and Scott Rd (e of Hwy I-215, between Sun City and Murrietta); Paloma Valley Comment
  UCR87113  Convolvulus simulans Steve Boyd, T. S. Ross 1991-6-14 6405 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy I-215, just SW of junction of Briggs Road and Scott Road Comment
  UCR1442  Conyza bonariensis Joyce Kleinjan 1961-4-21 s.n. Riverside Riverside, W side of Canyon Crest Drive, 75 yards south of 3rd street. 351 Comment
  RSA575927  Conyza coulteri Steve Boyd 1994-9-29 8367 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  RSA741569  Conyza floribunda Justin M. Wood 2008-9-22 162 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  POM12908  Corallorhiza maculata Philip A. Munz 1922-6-28 5865 Riverside Santa Rosa. Santa Rosa Mountains. 2134 Comment
  UCR54452  Cordylanthus rigidus A. C. Sanders, E. J. Lawlor 1988-10-22 8728 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  POM243633  Cordylanthus rigidus subsp. setiger E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  RSA523515  Coreopsis californica Steve Boyd 1990-3-30 3974 Riverside Vail Lake area, valley between Black Hills & Rocky Ridge. 701 Comment
  UC89484  Coreopsis californica var. californica T. S. Brandegee April, 1901 Riverside Colorado Desert Comment
  CAS-BOT-BC101307  Corethrogyne filaginifolia Edmund C. Jaeger 1939-8-30 s.n. Riverside Radec, junction S. of Sage, W. of Aguanga Comment
  CLARK-A1528-1782  Corethrogyne filaginifolia var. bernardina John C. Roos 1951-9-25 5272 Riverside Riverside 259 Comment
  CDA19738  Corethrogyne filaginifolia var. virgata H. R. Leach 1958-9-12 s.n. Riverside Southern California; River Valley. 0 Comment
  UC21516  Cornus nuttallii H. M. Hall June, 1901 2245 Riverside in canyons of w. side San Jacinto Mts. (Dark Canyon); , Dark Canyon 1828 Comment
  UC21534  Cornus sericea subsp. sericea H. M. Hall June, 1901 2233 Riverside canyons of w. side San Jacinto Mts. 1828 Comment
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Nov 13 2006
  RSA614125  Cotula australis D. L. Banks 1997-2-23 1292 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  SDSU13532  Cotula coronopifolia W. Miller with C. Mosse 1972-7-20 Riverside Comment
  RSA198953  Crassula aquatica R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37460 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  SDSU13950  Crassula aquatica Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2091 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  UCR116973  Crassula aquatica A. C. Sanders, T. B. Salvato 2001-5-3 24098 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  CLARK-A1528-2618  Crassula erecta John C. Roos 1952-2-29 5373 Riverside Riverside 457 Comment
  NY268563  Crossosoma bigelovii J. Turner 1959-3-21 75 Riverside Along road to Morongo Valley 8 miles north of United Stated Highway 99, Morongo Wash. Comment
  UCSB3799  Crossosoma bigelovii Ralph, F. 1960-4-1 Riverside Whitewater Canyon, 1.6 miles north of U.S. Hwy. 99, western edge of the Colorado Desert Comment
  LA204989  Croton californicus Elizabeth McClintock; 1938-4-9 sn Riverside Soboba Indian Reservation, San Jacinto Comment
  RSA480574  Croton californicus M. B. Dunkle 1933-3-4 3060 Riverside Painted Canyon, Colorado Desert. 30 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
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Jun 10 2008
  SBBG126041  Croton californicus J. M. Wood with D. M. Ray 2010-10-21 3024 Riverside Chuckwalla Valley 8 kilometers SW of Coxcomb Mtns and 3.5 kilometers E of Kaiser Rd 198 Comment
  UCR121340  Croton californicus A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25031 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR240991  Croton californicus Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 55 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  RSA296185  Croton californicus var. mohavensis B. A. Prigge 1980-8-5 3823 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UCR99572  Croton setiger Julie A. Greene, S. D. White 1993-7-5 1402 Riverside San Jacinto Valley, San Jacinto Wildlife Area, lower, flat area, west of dirt road 441 Comment
  RSA278973  Cryptantha angustifolia B. A. Prigge, L. Martinez 1978-3-23 2422 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads. 335 Comment
  RSA719069  Cryptantha angustifolia Michael Honer 2005-3-18 2097 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  SBBG14709  Cryptantha angustifolia H. and M. Dearing -Mar-1926 Riverside near Salton Sea Comment
  UC857056  Cryptantha angustifolia Lewis S. Rose 1938-2-1 38007 Riverside 10 mi e Desert Center 30 Comment
  RSA703814  Cryptantha barbigera LeRoy Gross 2005-3-3 1593 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  UC1546670  Cryptantha barbigera Barry A. Prigge 1988-2-21 7849 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  UCR92482  Cryptantha barbigera George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  GMDRC7789  Cryptantha barbigera var. fergusoniae J. M. Andre 2015-3-6 33550 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  JOTR29584  Cryptantha barbigera var. fergusoniae Andre, Jim 2006-4-6 6716 Riverside Joshua Tree National Park. about 50 m. north of the Keys View Parking area 1552 Comment
  JOTR29608  Cryptantha barbigera var. fergusoniae Andre, Jim 2006-4-26 6745 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  UCR142221  Cryptantha corollata June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  UCR108474  Cryptantha decipiens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16222 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UCR52257  Cryptantha holoptera Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2221 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  GMDRC5516  Cryptantha inaequata J. Andre 2012-3-19 21382 Riverside Palen Mountains: along Palen Pass Rd at Palen Pass 383 Comment
  POM12960  Cryptantha intermedia P. A. Munz, I. M. Johnston 1922-5-18 5317 Riverside 3 miles south of Murrieta. Comment
  POM368271  Cryptantha intermedia F. R. Fosberg 1932-5-9 10641 Riverside Sage Comment
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Dec 10 2011
  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
  RSA528106  Cryptantha intermedia Scott D. White 1991-4-10 91 -66 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road 518 Comment
  SBBG32020  Cryptantha intermedia C. H. Muller 1952-4-5 9494 Riverside White Water Cyn, 1 mi above White Water Comment
  UC1287159  Cryptantha intermedia C. L. Hitchcock 1966-3-16 24193 Riverside about 5 mi ne Aguanga Comment
  UCR115431  Cryptantha intermedia Scott D. White, D. E. Bramlet 1999-4-22 7243 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR20847  Cryptantha intermedia O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  UCR260533  Cryptantha intermedia T. B. Salvato 2014-5-29 8028 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  UCR91433  Cryptantha intermedia Scott D. White 1995-3-30 2642 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  RSA701218  Cryptantha maritima Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11274 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
  UCR42397  Cryptantha maritima J. M. Stewart 1986-1-20 86 5 Riverside Sonoran (Colorado) Desert, Divide between the Mecca Hills and the Orocopia Mtns. Comment
  JOTR30305  Cryptantha micrantha La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1738 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  SEINET9315890  Cryptantha micrantha Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UC1279966  Cryptantha micrantha Peter H. Raven with R. Snow 1957-7-26 11122 Riverside 1.8 mi above Lake Fulmor; San Jacinto Mountains Comment
  RSA0018641  Cryptantha micrantha var. lepida C. P. Cowan 1978-4-24 1255 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1.9 mi S of 74. Whittaker transect no.W-226(voucher). Comment
  RSA79960  Cryptantha micrantha var. micrantha F. W. Peirson 1920-2-16 s.n. Riverside Colorado Desert. Garden of Eden east of Palm Springs. Comment
  RSA543953  Cryptantha micromeres Steve Boyd 1991-5-9 6185 a Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  UCR239198  Cryptantha micromeres Steven R. Hill, A. C. Sanders 2001-5-4 33726 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
  POM157916  Cryptantha microstachys P. A. Munz 1927-5-20 10822 Riverside 10 miles S. of Hemet. Comment
  RSA523554  Cryptantha microstachys G. H. True 1935-4-1 198 Riverside Box Springs. 366 Comment
  RSA586298B  Cryptantha microstachys D. L. Banks, S. D. Boyd 1995-5-3 0209 B 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
  UC1535389  Cryptantha microstachys A. C. Sanders and B. Pitzer 1986-4-30 Riverside 1.3 mi above upper Bee Canyon mouth (at the San Jacinto River valley, along the road); San Jacinto Mountains, San Jacinto River Valley, Bee Canyon 670 Comment
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Sep 10 2011
  UC64399  Cryptantha muricata H. M. Hall Jun 1901 2052 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  RSA0078869  Cryptantha muricata var. jonesii Scott D. White, Justin M. Wood 2009-5-21 12867 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UCR102700  Cryptantha nevadensis B. G. Pitzer 1998-1-24 3383 .1 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
  UCR218470  Cryptantha nevadensis Jim Andre, T. La Doux 2009-3-10 11256 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  SBBG14710  Cryptantha pterocarya var. pterocarya H. and M. Dearing 1937-4-10 Riverside near Hayfield Comment
  JOTR33726  Cryptantha utahensis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2727 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  JOTR34322  Cryptantha utahensis Andre, Jim 2012-4-11 20823 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  SD87651  Cryptantha utahensis F. W. Peirson 1919-4-13 1025 Riverside Murray Canyon Comment
  SDSU18688  Cryptantha utahensis Kristen Hasenstab, M. G. Simpson 2008-4-1 53 Riverside Joshua Tree National Park. 1000 ft from Cottonwood Springs campground. Near sign for entrance from campground to Mastodon loop trail. Hillside is covered with this species of Cryptantha, especially on north facing slopes. 905 Comment
  CAS-BOT-BC224550  Cuscuta californica A. C. Sanders; Kerry Knudsen; T. B. Salvato 2004-5-18 27901 Riverside Peninsular Range: summit ridge of Alberhill Mountain, along dirt road 503 Comment
  POM19569  Cuscuta californica Mary F. Spencer 1923-8-4 227 Riverside Fern Valley Idyllwild, San Jacinto Mts. 1646 Comment
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Nov 26 2008
  POM3644  Cuscuta californica I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  CAS-BOT-BC224608  Cuscuta californica var. papillosa D. A. Johansen; J. A. Ewan 1932-4-11 7095 Riverside Deep Canyon Wash, Colorado Desert Comment
  SBBG30056  Cuscuta subinclusa L. C. Wheeler 1933-12-1 2284 Riverside San Gorgonio wash at Southern Pacific Railroad, San Gorgonio Pass 640 Comment
  UCR92615  Cuscuta subinclusa Scott D. White 1995-8-23 3563 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  RSA478740  Cycloloma atriplicifolium Lester H. Cushman 1932-8-24 s.n. Riverside Near Vineland, where the Valley Blvd. crosses the San Bernardino Co. line. Comment
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Nov 5 2011
  SEINET9037738 Image available Cylindropuntia echinocarpa M. A. Baker 2015-1 18325 Riverside San Gorgonio Pass, south base of the San Bernardino Mountains, 24km NW of central Palm Springs, 3km ENE of Cabazon, heavily-grazed bowl among hills 559 Comment
  LA204499  Cylindropuntia munzii A. C. Sanders; et. al. 1986-3-2 6147 Riverside Arroyo Seco, along Bradshaw Rd. 5.2 mi. W of Graham Pass Rd., S side of the Chuckwalla Mountains Comment
  UCD97951  Cylindropuntia ramosissima Lionel A. Stange 1956-4-1 s.n. Riverside Near Forty Nine Palms oasis. Comment
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Jul 1 2012
  CHSC36065  Cynodon dactylon Paul Bailey 1972-5-14 131 Riverside Roadside 5 miles SE of Temecula, Hwy S 16, Pechanga Canyon. 670 Comment
  RSA0088364  Cynodon dactylon Robert Vargas 2016-4-9 20 Riverside LA basin, White water canyon reserve. 536 Comment
  UCR189292  Cyperus difformis Fred M. Roberts, S. Leatherman 2007-9-19 6597 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA0088440  Cyperus eragrostis Mitch Provance 2011-7-4 17182 Riverside San Bernardino Valley: Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part of Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  RSA522720  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3811 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR92359  Cyperus esculentus Scott D. White, S. Ogg 1994-10-17 2469 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  CAS-BOT-BC114798  Cyperus involucratus A. C. Sanders; G. Helmkamp 1996-3-17 17981 Riverside Coachella Valley: Palm Springs, Tahquitz Cyn, in vicinity of the debris basin, 182 Comment
  UCR101431  Cyperus squarrosus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22233 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Millard Canyon 841 Comment
  RSA797251  Cystopteris fragilis R. F. Thorne, Walter Wisura 1977-9-17 50789 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  RSA0014612  Dactylis glomerata Justin M. Wood 2010-5-12 1682 Riverside Santa Ana Canyon: Santa Ana River; approx. 0.75 miles downstream of Prado Dam. Just NE of Green River housing estate. 137 Comment
  CLARK-A1528-2777  Dalea californica John C. Roos 1942-5-1 1150 Riverside Dry Morongo Canyon Comment
  JEPS20762  Dalea mollis Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13243 Riverside 11.3 mi. n. Blythe (Hwy U.S. 95); wash arising in Big Maria Mts. Comment
  UCR249656  Dalea mollis T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7310 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  RSA717646  Dalea mollissima Scott D. White, Pam De Vries 2006-3-14 11244 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  UCSB41264  Dalea mollissima Cowan, Clark 1978-4-23 Riverside 2.7 mi. (4.3 km.) S on Hwy. 74 from its jct. with Hwy. 111 at Indian Wells; Whittaker transect #W-218 (voucher) 210 Comment
  SEINET10486082  Dalea schottii David B. Dunn 1946-3-15 Dunn 2025 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
  RSA192165  Datisca glomerata E. W. Lathrop 1966-6-1 6364 Riverside Los Alamos Road, Tenaja Range, 14 miles NW of Murrieta. Comment
  RSA586337  Datisca glomerata D. L. Banks, S. D. Boyd 1995-5-3 0202 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR35197  Datisca glomerata L. B. Ziegler 1969-7-30 389 Riverside San Jacinto Mountains, Hemet Valley. In dry creek bed in side canyon on W side of valley opposite Kenworthy R.S. 1341 Comment
  RSA770445  Datura wrightii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4555 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD84921  Datura wrightii Nancy Ryan Zabriske, Walter Zabriske 1972-3-28 483 Riverside North Canyon, Andreas Canyon watershed, east slope San Jacinto Mts. 366 Comment
  SD136937  Daucus pusillus Steve Boyd, Tim Ross 1992-6-10 7635 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. San Mateo Cyn about Potrero Escondido.west of junction Tenaja Road and Los Alamos Road 669 Comment
  CAS-BOT-BC293817  Deinandra fasciculata Mitch Provance 1998-6-24 714 Riverside Jurupa Mountains: Canyon NE of the Jurupa Mountains Culture Center, ca. 0.7km SW of peak 1701 335 Comment
  RSA674656  Deinandra mohavensis Scott D. White 2000-8-22 8120 Riverside Gibbel Flat in the Santa Rosa Hills. 610 Comment
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Dec 16 2012
  SD144486  Deinandra mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15774 Riverside San Jacinto Mtns: North slope of the mtns; Azalea Creek ca 0.5 mi southwest of Twin Pines Ranch buildings, at road crossing just outside ranch fence (mak 10/07) 1070 Comment
  SD232185  Deinandra mohavensis V. Soza, Steve Boyd and Neil Gilbert 2000-12-6 1063 b Riverside Peninsular Ranges, San Jaginto Mountains region: Alongside Highway 74, ca. 1 mile west of junction with Highway 243 (Mountain Center). 1310 Comment
  CAS-BOT-BC131035  Deinandra paniculata Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  RSA737326  Deinandra paniculata Justin M. Wood 2008-9-22 166 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCD131167  Deinandra paniculata A. C. Sanders 2004-6-20 28222 Riverside Peninsular Range: Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd, hilltop above I-15, southwest of main clay pits. 378 Comment
  RSA784840  Delphinium parryi J. D. Olmsted 1962-5-2 3461 Riverside In small arroyo north of turn from US 60 to Gilman Hot Springs, San Timoteo Badlands 564 Comment
  CAS-BOT-BC198171  Deschampsia danthonioides Robert F. Thorne; Earl Lathrop 1969-5-12 37950 Riverside Mesa de Colorado, Rancho, Santa Rosa Plateau 624 Comment
  UCR2319  Deschampsia elongata F. M. Reed 1920-7-14 4408 Riverside San Jacinto Mtns., Strawberry Creek above Idyllwild 1646 Comment
  POM273766  Descurainia pinnata Lyman Benson 1933-3-31 4174 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  POM122356  Descurainia pinnata subsp. glabra Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver s Well, near Mecca, Colorado Desert. Comment
  RSA775809  Dichelostemma capitatum subsp. capitatum Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 889 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UCR18534  Dichelostemma capitatum subsp. capitatum A. C. Sanders 1978-6-11 s.n. Riverside San Jacinto Mtns., James Reserve (above Lake Fulmor), near bridge over Indian Creek 1646 Comment
  POM214403  Dichelostemma capitatum subsp. pauciflorum Donald A. Johansen, Joseph A. Ewan 1932-4-11 7065 Riverside Mouth of Tahquitz Canyon Comment
  CAS-BOT-BC292191  Dicoria canescens Marcus E. Jones 1924-10-1 s.n. Riverside Whitewater Comment
  SEINET269467 Image available Digitaria sanguinalis Scott D. White, Steve Ogg 1994-10-17 2499 Riverside Temecula Valley. City of Temecula, Murrieta Creek channel at confluence with Sta. Gertrudis Creek USGS 71/2' Murrieta quad. 315 Comment
  SEINET269429 Image available Diplacus bigelovii var. bigelovii John Wear 1995-1 Riverside Colorado Desert; wash along Eagle Mountain Road north of I-10 near Desert Center Comment
  CAS-BOT-BC152909  Diplacus brevipes P. C. Everett; L. W. Lenz; E. K. Balls 1952-7-1 17274 Riverside 1.2 mi. se. of Lake [Fulmore] Fulmor on hwy from Banning to Idyllwild, San Jacinto Mts. 1280 Comment
  CAS-BOT-BC152267  Diplacus clevelandii Peter H. Raven 1962-5-18 17759 Riverside Main Divide Truck Trail 2.9 miles south of Santiago Peak 1234 Comment
  RSA0019421  Diplacus fremontii N. C. Cooper 1944-6-17 1417 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  RSA0019425  Diplacus fremontii Christopher Davidson 1975-6-16 2808 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  RSA0018423  Diplacus longiflorus var. calycinus Percy C. Everett, E. K. Balls, L. W. Lenz 1952-7-1 17267 Riverside 3 mi. s. from Banning along Hwy to Idyllwild. 915 Comment
  UCR116682  Distichlis spicata A. C. Sanders, Chet McGaugh 2001-7-26 24474 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  UCR2330  Distichlis spicata F. M. Reed 1906-4-29 944 Riverside Riverside, in the Santa Ana River bottom near the racetrack below Chinatown 244 Comment
  JEPS2748 Image available Ditaxis claryana Marjorie Clary 1932-12-16 1707 Riverside 10 mi w Coachella (bajadas at base of Santa Rosa Mountains); Coachella Valley; Santa Rosa Mts., Coachella Valley, W of Coachella, Colorado Desert. Comment
  JOTR29446  Ditaxis lanceolata La Doux, Tasha, Mike Bell 2006-3-8 1344 Riverside Joshua Tree National Park. Hayfield spring Comment
  POM8133  Ditaxis lanceolata Mary F. Spencer 1920-3-19 895 Riverside In rocks near Palm Spings 152 Comment
  RSA608169  Ditaxis lanceolata Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10054 B Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UCR119343  Ditaxis lanceolata B. G. Pitzer 2000-5-7 4136 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UCR198166  Ditaxis neomexicana Michael Honer, L. Hulse 2004-4-2 1885 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains, east Wide Canyon, near MWD aqueduct, c. 2 mi north of Dillon Road 488 Comment
  RSA775099  Ditaxis serrata Duncan S. Bell, Michael Hee 2011-3-18 2054 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  CAS-BOT-BC43630  Dithyrea californica Geo. B. Grant 1906-5-1 266 a-6769 Riverside Colorado desert at Palm Springs. Comment
  CDA24811  Dithyrea californica M. S. Wasbauer 1960-3-26 Riverside Palm Springs. 0 Comment
  RSA0019474  Dithyrea californica J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24390 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
  RSA23216  Dithyrea californica Ernest Braunton 1940-01 s.n. Riverside 15 miles E of Indio. Comment
  CAS-BOT-BC412630  Dodecahema leptoceras Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  CAS-BOT-BC136110  Dodecatheon alpinum Carl B. Wolf 1932-8-5 3962 Riverside 1st Real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak - San Jacinto Mountains 2743 Comment
  POM19640  Dodecatheon alpinum subsp. majus Mary F. Spencer 1923-7-16 s.n. Riverside Round Valley. 2744 Comment
  POM78480  Dodecatheon clevelandii H. M. Hall 1902-4-4 2963 Riverside Vicinity of Riverside, in the Sonoran Zone. Alt. 1200 ft. 366 Comment
  RSA336066  Downingia bella R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51983 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  LA204322  Draba corrugata Martha Hilend; 1928-8-7 sn Riverside Summit- San Jacinto Peak Comment
  SBBG70406  Draba corrugata R. Hoffmann 1929-9-10 Riverside Tahquitz Pk 2590 Comment
  UCR41829  Draba cuneifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6118 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR3889  Dudleya edulis John Minnich 1964-6-20 s.n. Riverside Santa Ana Mtns., 11 miles north of Fallbrook 305 Comment
  CSUSB621  Dudleya lanceolata Joe Barrington Riverside Fairmount Park Fairmount Park [in city of Riverside, off Market Street near the 60 freeway], at west end of lake on grassy hillside. Comment
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Jun 2 2013
  UC1506122  Dudleya lanceolata Robert T. Clausen 1964-2-8 631047 b Riverside ridge sw Murrieta Comment
  UCR252215  Dudleya lanceolata J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  UCR180697  Dudleya multicaulis Mitch Provance 2003-4-26 9880 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
  SD232223  Dudleya pulverulenta Scott D. White, Justin M. Wood 2009-5-22 12930 Riverside San Jacinto Mts: Old Control Road, below Halfway Spring. 793 Comment
  UCR25804  Dudleya saxosa John C. Roos 1937-4-18 1284 Riverside San Gorgonio Pass, Near Cabazon Comment
  UC1979820  Dudleya saxosa subsp. aloides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-5-16 1252 Riverside Transverse Ranges; San Bernardino Mountains region: Haugen Lehmann off I-10, Pacific Crest Trail (PCT) in canyon directly W. of Whitewater. Comment
  RSA741558  Echinochloa colona Justin M. Wood 2008-9-30 174 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR26443  Eclipta prostrata A. C. Sanders 1981-10-31 2394 Riverside McKinley St. between Riverside & Corona, 0.3 mi north of Hwy 91 & c. 100 yards west of McKinley 305 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
  UCR225160  Eleocharis bella Steve Boyd, Gary Wallace 2005-7-30 11646 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  CAS-BOT-BC112734  Eleocharis geniculata W. R. Dudley 1903-12-29 s.n. Riverside Palm Springs Comment
  UCR90606  Eleocharis macrostachya Scott D. White 1995-6-29 3392 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA198999  Eleocharis montevidensis Robert F. Thorne, Philip A. Munz, E. W. Lathrop 1968-5-8 37600 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  RSA343105  Eleocharis montevidensis Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1983-5-18 60632 Riverside Santa Rosa Plateau: Cole Canyon, near entrancd to Nature Conservancy Reserve. 530 Comment
  POM14331  Eleocharis palustris Phillip A. Munz, I. M. Johnston 1922-5-18 5323 Riverside 1/2 mile south of Lake Elsinore. Comment
  UCR241227  Eleocharis parishii Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 508 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  JOTR38422  Eleocharis parvula Hodges, Stephen, A. Ingersoll 2015-8-26 651 Riverside Joshua Tree National Park. Queen Mountains, Wonderland of Rocks, Barker Dam. Comment
  RSA192084  Elymus elymoides E. W. Lathrop 1966-5-16 6327 Riverside Tenaja Grade, 2 miles SW of Murrieta on the Tenaja Road. Comment
  SEINET10834346  Elymus elymoides David B. Dunn 1946-8-17 Dunn 2709 Riverside Grass found in Taquitz Valley in the San Jacinto Mts. 2560 Comment
  RSA619571  Elymus glaucus subsp. jepsonii D. L. Banks 1997-5-5 1976 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR95716  Elymus glaucus subsp. jepsonii D. L. Banks 1996-5-2 0943 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  UCR193906  Elymus hispidus A. C. Sanders, Mitch Provance 2008-7-11 35746 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  LA14419  Elymus spicatus F. M. Reed; 1905-7-14 2471 Riverside San Jacinto Mountains, in canyon below Strawberry Valley 1219 Comment
  CSUSB98  Emmenanthe penduliflora David M. Peterson 1966-3-13 660313 9 Riverside Little Morongo Creek canyon, 1 mile north of Morongo Valley (29 Palms Road) on southwest facing slope. 761 Comment
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Mar 28 2014
  POM17934  Emmenanthe penduliflora P. A. Munz 1923-6-14 7122 Riverside Glen Ivy Trail to Santiago Peak 1067 Comment
  SD4048  Emmenanthe penduliflora Fidella G. Woodcock 1926-3-15 Riverside Palm Springs (mak 7/07) Comment
  UCR231739  Emmenanthe penduliflora John F. Green 2008-4-23 08- 04 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
  UCR27194  Emmenanthe penduliflora Marlyce Myers 1980-4-20 s.n. Riverside Perris Basin, Motte Reserve, c. 2.5 mi. NW of Perris 520 Comment
  JOTR30979  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1956 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  SD87729  Encelia actoni Frank W. Peirson 1928-4-24 7891 Riverside Cottonwood Spring. Comment
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Oct 9 2010
  UCR117103  Encelia actoni A. C. Sanders, T. B. Salvato 2001-5-16 24307 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  JOTR01255  Encelia actoni Cole, James E. 1941-6-7 852 Riverside Joshua Tree National Park. LOST HORSE PASS 1371 Comment
  UCR274545  Encelia californica Mitch Provance, Ken Halama 2003-6-15 17061 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  HSC79045  Encelia farinosa A. C. Sanders 1985-3-1 5390 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy. 60, along Gernert Rd., just above the Santa Fe Railroad tracks 427 Comment
  UC68872  Encelia farinosa H. M. Hall 1905-4-1 5895 Riverside near Chuckwalla Springs; Colorado Desert Comment
  UCD20084  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -214 Riverside 4.9 miles north of junction of Hwy 95 and Hwy 60-70, on Hwy 95. Comment
  UCR90979  Encelia farinosa Scott D. White 1996-3-16 3825 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  UCSC001469  Encelia farinosa Peter Kamb 1948-4-11 883 Riverside Aqueduct Road east of Garnet Aqueduct Road, Garnet - Coachella Valley 305 Comment
  POM356676  Encelia farinosa var. farinosa Norman C. Cooper 1944-4-8 1094 Riverside Andreas Canyon. 305 Comment
  UC68862  Encelia frutescens H. M. Hall 1905-4-1 5939 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  JEPS49141  Ephedra W. L. Jepson and H. M. Hall 1901-5-22 1354 Riverside Palm Canyon and return to Van DeVenter's; Journey of W. L. Jepson and H. M. Hall from Riverside to Santa Rosa Peak and Palomar, Southern California Comment
  CAS-BOT-BC81540  Ephedra californica Philip A. Munz 1940-3-22 15657 Riverside [Whitewater] White Water Canyon, 2 miles north of Banning-Indio boulevard Comment
  CAS-BOT-BC81546  Ephedra californica Lewis S. Rose 1955-3-14 55028 Riverside [Whitewater] White Water Wash, 3 mi. se. of Palm Springs Station 304 Comment
  OBI7473  Ephedra californica Lewis S. Rose 1955-3-14 55028 Riverside Whitewater wash, 3 mi SE of Palm Springs Station 305 Comment
  RSA383880  Ephedra californica P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Foot of canyon side. Comment
  RSA650255  Ephedra californica Louis R. Klins 1949-2-6 s.n. Riverside Lazy B Ranch 10 mile[s] NE of Palm Springs California Comment
  SBBG393  Ephedra californica H. and M. Dearing 1939-11-12 4035 Riverside E of Banning Comment
  SEINET3004954  Ephedra californica G. Rink 2011-3-10 10378 Riverside Palo Verde Solar Site, southwest of Blythe 100 Comment
  UCD84926  Ephedra trifurca Chuck Hughes 2010-3-21 198 b Riverside About 2.3 miles south of Highway 62, next to railroad tracks. 225 Comment
  NY70797  Ephedra viridis R. F. Thorne 1967-3-21 41639 Riverside Joshua Tree National Monument: Cottonwood Springs 914.4 Comment
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Oct 9 2010
  POM230606  Ephedra viridis I. W. Clokey 1935-4-17 6509 Riverside Cottonwood Springs. Colorado desert. Comment
  CLARK-A1528-649  Epilobium adenocaulon Frank C. Vasek 1964-6-24 640624-1 Riverside University of California Comment
  RSA17493  Epilobium canum subsp. canum Percy C. Everett 1936-8-28 8235 Riverside Santa Ana Mountains. North end of La Cienega. 732 Comment
  UCR138606  Epilobium canum subsp. canum D. L. Banks 1996-11-7 1197 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, at the spring on the N fork of Pechanga Creek at the E end of the Reservation 494 Comment
  OBI35626  Epilobium canum subsp. latifolium Louis B. Ziegler 1964-8-20 10 Riverside San Jacinto Mts-Old kenworthy district 1433 Comment
  UCR41346  Epilobium canum subsp. latifolium N. M. Fellows 1984-11-12 23 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn. 489 Comment
  UCR195131  Epilobium ciliatum A. C. Sanders, Tim Thomas 2008-8-1 35962 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  UCR39541  Epilobium ciliatum A. C. Sanders 1980-7-22 1724 Riverside San Jacinto Mtns, Dutchman's Flat in Bear Trap Canyon about 1 mi (airline) west of Idyllwild. Between Hwy 243 and Foster Lake 1814 Comment
  SBBG60199  Epilobium ciliatum subsp. ciliatum M. Lewis 1947-8-26 3 Riverside Dark Cyn 1981 Comment
  RSA740637  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-6-18 12213 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  POM157890  Epilobium pygmaeum P. A. Munz 1927-5-20 10802 Riverside Murrieta Hot Springs. Comment
  POM12731  Epipactis gigantea Philip A. Munz 1922-7-1 5934 Riverside Santa Rosa Mountains, Old Nicholas Canyon. 1463 Comment
  MACF015740  Equisetum laevigatum Louis C. Wheeler 1932-7-9 11251 Riverside Santa Ana River at Chino Creek 182 Comment
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Jul 22 2015
  UCR174619  Equisetum laevigatum Jennifer H. Jones 2006-6-6 407 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  UC38340  Eragrostis cilianensis H. M. Hall August, 1899 1366 Riverside Riverside Comment
  POM46749  Eremalche exilis Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  UC1551914  Eremalche rotundifolia David Charlton 1988-2-18 1140 Riverside s. of Joshua Tree Nat'l Park (Fargo Canyon Rd. to Cottonwood Wash, parallel to I-10, 1 mi. e. of junction Dillon Rd. and Fargo Canyon Rd.); s. side Little San Bernardino Mts. Comment
  CAS-BOT-BC160052  Eremothera boothii subsp. condensata Philip A. Munz 1932-3-14 11990 Riverside Deep Canyon, Coachella Valley 152 Comment
  JOTR34036  Eremothera refracta La Doux, Tasha, M. Harding 2010-4-7 2920 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  JEPS122473  Eriastrum densifolium subsp. austromontanum J. M. Andre 2012-6-15 30534 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  JEPS69021  Eriastrum densifolium subsp. austromontanum John Thomas Howell 1927-8-2 2908 Riverside between Banning and Strawberry Valley; Mt. St. Jacinto Comment
  JOTR33784  Eriastrum densifolium subsp. austromontanum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2924 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Loamy, gravelly slope in saddle below the summit Comment
  UCSB25712  Eriastrum densifolium subsp. austromontanum Gliessman, Stephen 1968-7-17 Riverside Little Thomas Mountain Road, 2.0 miles southwest of junction with Highway 74, Little Thomas Mountain 1402 Comment
  CAS-BOT-BC514309  Eriastrum densifolium subsp. austromontanum S. B. Parish; W. F. Parish 1881-7-1 314 Riverside San Jacinto Mountain Comment
  UCR95954  Eriastrum densifolium subsp. densifolium Scott D. White 1996-8-1 4403 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR189573  Eriastrum densifolium subsp. sanctorum Josh Koepke 2005-7-26 045 Riverside Santa Ana River, within Santa Ana River bed nearest the western edge, 0.1 miles north of Hwy 60 overpass 247 Comment
  UC879943  Eriastrum diffusum subsp. coachellae Lewis S. Rose 1937-4-9 37104 Riverside Palm Springs. 137 Comment
  UCR13398  Eriastrum eremicum Larry Beck 1973-4-28 732804- 02 Riverside Sonoran (Colorado) Desert, 5 miles northwest of Palm Springs on Hwy. 111 in sandy sandy soil; near roadside 152 Comment
  UCSB38668  Eriastrum eremicum Cowan, Clark 1978-4-24 Riverside Lake Cohuila; 2.1 mi. (3.3 km) off Ave 66 on a dirt road, 1.3 mi. (2 km) on Ave 66 from Hwy 86; Whittaker transect #W-222 Comment
  RSA0043243  Eriastrum eremicum subsp. eremicum Michael Honer, L. Hulse 2004-4-2 1870 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  RSA0120070  Eriastrum eremicum subsp. eremicum Marcus E. Jones 1903-5-10 10252 Riverside Palm Spring. 61 Comment
  SEINET3005079  Eriastrum harwoodii G. Rink 2011-5-7 10517 Riverside Large powerlines about 10 miles west-southwest of Blythe, active sand dunes 121 Comment
  SEINET4565924  Eriastrum harwoodii Duncan S. Bell 2010-4-2 682 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 3 miles northwest of Priest Well; collecting along a sandy slope above the main western drainage for the Arica mountains.; 0 464 Comment
  CAS-BOT-BC514515  Eriastrum harwoodii Carl B. Wolf 1932-4-29 3119 Riverside Eastern Colorado Desert, 3 mi S of Rice on Blythe Rd 213 Comment
  UC718494  Eriastrum sapphirinum P. C. Everett 1935-6-17 7166 Riverside trail to Santiago Peak 2 mi above Glen Ivy Resort; Santa Ana Mts., Coldwater Can. 609 Comment
  OBI51901  Ericameria linearifolia David Charlton 1988-5-21 1911 Riverside Thomas Mountain Rd, from N to S. W of Garner Valley and s of Lake Hemet on hwy 74. 1676 Comment
  RSA239812  Ericameria linearifolia C. W. Tilforth 1973-4-29 780 Riverside Along Hwy 74 between Alpine Village & Paradise Valley , 1 miles E of jct with Santa Rosa Mtns, fire road. Comment
  UC527316  Ericameria linearifolia C. B. Wolf 1931-5-11 Riverside rocky ridges above Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  UCR101569  Ericameria linearifolia Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  RSA783438  Ericameria nauseosa J. D. Olmsted 1959-9-23 1018 Riverside 4 miles S of Hemet Lake on Hwy. 74, San Jacinto Mts. 1387 Comment
  SEINET10808732  Ericameria nauseosa David B. Dunn 1947-9-21 Dunn 3519 Riverside Collected in a shallow wash about 5 miles in from Hwy. to 29 Palms. In Joshua Tree National Monument. Comment
  SEINET10808748  Ericameria nauseosa var. mohavensis David B. Dunn 1946-8-17 Dunn 2728 Riverside Found along trail to Hidden Lake in San Jacinto Mts. Comment
  UC604141  Ericameria nauseosa var. oreophila Edmund C. Jaeger 1938-10-21 Riverside 15 mi s of Warren's Well; Little San Bernardino Mts., Joshua Tree National Monument 1280 Comment
  RSA0008410  Ericameria palmeri var. pachylepis A. C. Sanders 1997-11-25 21625 Riverside Skinner/Domenigoni region, S of Hemet Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, E end of S side of Diamond Valley, ca. 2/3 of the way from W dam to E dam 503 Comment
  RSA180299  Ericameria palmeri var. pachylepis E. W. Lathrop 1965-10-24 6024 Riverside 8 miles W of Murrieta. 610 Comment
  UC577114  Ericameria paniculata Lewis S. Rose 1934-12-25 34496 Riverside 10 mi n Whitewater (T Cross K Ranch, Mission Canyon); Mission Canyon Comment
  UCR277726  Ericameria pinifolia Kate Kramer 2016-11-29 369 Riverside San Jacinto Mountains, Living Free Animal Sanctuary, 0.6 mile east of the junction of Hwy 74 and Keen Camp Road 1471 Comment
  JOTR36388  Ericameria teretifolia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3341 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  SEINET5727171 Image available Ericameria teretifolia Lowell E. Urbatsch, Patricia B. Cox; Sue Grace 1995-1 7093 Riverside Joshua Tree National Park; ca. 1.7 mi SE of jct. of the road to Cottonwood Headquarters and the road to the town of Joshua Tree; near the White Tank campground.; Joshua Tree National Park Comment
  SEINET10617402  Erigeron breweri David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-15 Dunn 20756 Riverside Along Hwy. 74 W of the Jct. rd. to Idyllwild, 11 mi. W, at the lower edge of the coulter Pines and near the chaparral. Decomp. granite. Comment
  UCSB9492  Erigeron canadensis Philbrick, Ralph 1954-10-24 Riverside 4 miles south of Chico Institute 213 Comment
  POM263241  Erigeron foliosus J. C. Roos 1938-5-26 474 Riverside La Sierra. Comment
  JOTR33936  Erigeron foliosus var. foliosus La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2826 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
  POM357619  Erigeron foliosus var. foliosus Norman C. Cooper 1944-5-19 1298 Riverside Banning. 701 Comment
  CLARK-A1656-639  Eriodictyon crassifolium Lois Ann Scott 1978-5-5 Riverside Snow Creek 381 Comment
  SDSU6018  Eriodictyon crassifolium Wende E. Rehlaender 1983-5-28 Riverside Santa Rosa Mountains. Along Highway 74 near turnoff for Ribbonwood Dr. about 19 miles along road from Palm Desert; about 3 miles. NW of Santa Mountain. Common, with Salvia, Adenostoma fasciculatum, A. sparsifolium, Eriogonum fasciculatum. Comment
  UCR163814  Eriodictyon crassifolium John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 1 mile N of Squaw Mountain, 1.6 mi. NE of Tenaja Guard Station 716 Comment
  UC455939  Eriodictyon crassifolium var. crassifolium F. M. Reed 1905-7-4 813 Riverside Coldwater Canyon [Santa Ana Mtns., near Glen Ivy] Comment
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May 22 2012
  UCR16691  Eriodictyon crassifolium var. crassifolium S. W. Austin 1969-5-10 35 Riverside Peninsular Range, Alberhill Road, 2.25 - 2.5 mi. NW of Elsinore on slope on SW side of road 305 Comment
  RSA0056443  Eriodictyon crassifolium var. crassifolium Norman C. Cooper 1944-5-6 1170 Riverside Banning. 701 Comment
  RSA783134  Eriogonum J. D. Olmsted 1959-10-23 1071 Riverside On Idyllwild Banning road, 2 miles S of turnoff to Poppett Flat. San Jacinto Mts to San Jacinto River. 1280 Comment
  POM122546  Eriogonum apiculatum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA766438  Eriogonum apiculatum Ralph Hoffmann 1929-9-10 1264 Riverside Tahquitz Peak, San Jacinto Mts. 1829 Comment
  UC496521  Eriogonum apiculatum Philip A. Munz 1932-10-16 12846 Riverside road from Indio to Vandeventer Flat; Santa Rosa Mts. 1158 Comment
  SEINET6340502  Eriogonum davidsonii Norman C. Cooper 1944-6-16 1558 Riverside San Jacinto Mountain, above Pine Cove 2073 Comment
  SEINET11932637  Eriogonum davidsonii J. F. Emmel 1979-1 694 Riverside SE end Jacinte Mts S base of Sugarleaf Mt. near SE end of Pinyon Flat 1219 Comment
  UCR72173  Eriogonum deflexum Theo Glenn 1991-5-15 91- 134 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  JEPS35768  Eriogonum deflexum var. deflexum W. L. Jepson 1927-4-12 11679 Riverside Mecca Hills, Painted Canyon 76 Comment
  UCR16528  Eriogonum elongatum P. A. Rauch 1966-1-24 s.n. Riverside 1 mi. SE of Aguanga on Aguanga-Warner Springs Hwy 610 Comment
  UCR239248  Eriogonum elongatum var. elongatum Thomas R. Stoughton, E. Gardner, D. Bell 2010-11-12 717 Riverside Transverse Ranges; San Bernardino Mountains, Pacific Crest Trail, west of White Water Canyon, north of the junction of Hwy I-10 and Rte 111 732 Comment
  RSA65145  Eriogonum fasciculatum F. W. Peirson 1928-4-24 7907 Riverside Cottonwood Spring, west end of Eagle Mtns. Comment
  SEINET6418387  Eriogonum fasciculatum Ken Zysk 1971-4-27 P 140 Riverside Chaffey College 457 Comment
  CAS-BOT-BC249901  Eriogonum fasciculatum var. flavoviride D. A. Johansen; J. A. Ewan 1932-4-11 7087 Riverside Martinez Canyon, Santa Rosa Mts. 365 Comment
  SBBG23073  Eriogonum fasciculatum var. flavoviride D. Myrick 1965-3-4 1086 Riverside Morongo Wash, Coachella Valley 701 Comment
  SEINET208629  Eriogonum fasciculatum var. flavoviride W. L. Jepson 1914-5-17 5986 Riverside unspecified 762 Comment
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Jul 30 2013
  RSA34505  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-7-15 1572 Riverside Banning. 701 Comment
  UC1537287  Eriogonum fasciculatum var. foliolosum Gordon H. True 1935-3-11 72 Riverside Box Springs 365 Comment
  UCR172259  Eriogonum fasciculatum var. foliolosum John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UC1032088  Eriogonum fasciculatum var. polifolium H. S. Yates 1936-4-7 5422 Riverside near Whitewater; San Jacinto Quadrangle Comment
  CAS-BOT-BC253497  Eriogonum gracile James L. Reveal; C. Rose Broome 1987-6-27 6614 Riverside Along Morris Ranch Road, 1.9 mile northeast of California Highway 74 and about 1.5 mile northeast of Kenworthy Guard Statoin, about 8 airline miles southeast of Mountain Center, San Jacinto Mountains 1584 Comment
  UCR274187  Eriogonum gracile T. B. Salvato, Gregg Miller 2005-6-7 1441 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  RSA741737  Eriogonum gracile var. gracile M. Wall 2008-10-6 494 Riverside San Jacinto Valley, Baustista Rd. south east of Hemet; Bautista Creek ca. 6.0 miles SE of Fairview Ave. 778 Comment
  UCR181340  Eriogonum gracile var. gracile Mitch Provance 2003-7-7 6522 Riverside San Bernardino Valley, S of the site of the historic town of Declezville, in an unincorporated part of Riverside Co. just south of Fontana (in the Southridge area), along the NW slopes of the Jurupa Mountains, c. 0.3 miles ENE of peak 1437 317 Comment
  UCR21140  Eriogonum gracile var. incultum Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  RSA65306  Eriogonum inflatum var. inflatum F. W. Peirson 1914-1 1734 Riverside Whitewater, N.W. Colorado Desert. Comment
  SBBG132  Eriogonum inflatum var. inflatum R. Hoffmann 1928-10-21 Riverside Whitewater Comment
  UC849556  Eriogonum inflatum var. inflatum I. W. Clokey 1935-4-17 6578 Riverside Cottonwood Springs Comment
  UC6360  Eriogonum molestum H. M. Hall July, 1901 2386 Riverside wooded slopes and benches of the s side San Jacinto Mountains San Jacinto Mountains 1615 Comment
  CAS-BOT-BC269782  Eriogonum nudum var. pauciflorum Carl B. Wolf 1932-8-5 3986 Riverside San Jacinto Mts. On trail from Tahquitz Valley to San Jacinto Peak, between 1st and 2nd wet meadow 2743 Comment
  RSA279576  Eriogonum parishii James L. Reveal, Barbara J. Ertter 1976-6-30 4568 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain at Santa Rosa Camp, about 8.5 miles southeast of California Hwy 74. 2165 Comment
  POM294037  Eriogonum pusillum Lyman Benson 1945-3-29 11622 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain. 610 Comment
  UC1252147  Eriogonum pusillum Robert Langston 1964-4-27 Riverside 12 mi sw Palm Desert (Pinyon Crest); Pinyon Crest Comment
  RSA424859A  Eriogonum reniforme M. B. Dunkle 4912 Riverside Colorado Desert, east of Indio. Comment
  UCD80952  Eriogonum reniforme Chuck Hughes 2009-3-23 63 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  JOTR32450  Eriogonum saxatile La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2043 Riverside Joshua Tree National Park. Little San Bernardino Mountains, above Lower Covington Flats; STOP 2: steep rocky canyon heading up to west side of Quail Mountain region Comment
  CAS-BOT-BC263511  Eriogonum thomasii R. Bacigalupi No date on label. 107 Riverside Eagle Canyon Comment
  POM230614  Eriogonum thomasii I. W. Clokey 1933-4-17 s.n. Riverside Cottonwood Springs. Comment
  POM250548  Eriogonum thomasii I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  CAS-BOT-BC262881  Eriogonum thurberi Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  JEPS56283  Eriogonum thurberi Geo. B. Grant 1906-4-20 6717 Riverside Palm Springs Comment
  RSA525239  Eriogonum thurberi Steve Boyd, Tim S. Ross 1990-5-11 4616 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  UC1785038  Eriogonum thurberi Marjorie Clary 1932-5-25 1036 Riverside Berdoo Canyon, Little San Bernardino Mountains 1158 Comment
  UCR102938  Eriogonum thurberi George K. Helmkamp 1998-4-3 3075 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  CAS-BOT-BC263587  Eriogonum trichopes Edmund C. Jaeger 1939-3-31 s.n. Riverside Boulder Well, north east of Desert Center Comment
  UCR214168  Eriogonum trichopes T. B. Salvato 2010-4-20 4064 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR24328  Eriogonum wrightii John C. Roos 1967-10-28 s.n. Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Whitewater 427 Comment
  POM247452  Eriogonum wrightii var. membranaceum P. A. Munz 1941-10 17235 Riverside Dos Palmos Spring, north base of Santa Rosa Mountains. Comment
  RSA420616  Eriogonum wrightii var. membranaceum E. A. McGregor 1963-11-6 68 -a Riverside Pines to Palms Hwy, between Palm Springs and Idyllwild. Comment
  UC1080367  Eriogonum wrightii var. membranaceum E. K. Balls and P. C. Everett 1957-8-20 22674 Riverside Hamilton Grade along rd. from Palms to Pines Hwy. to Aguanga; Hamilton Grade 1463 Comment
  CAS-BOT-BC261784  Eriogonum wrightii var. nodosum Louis C. Wheeler 1933-12-1 2294 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  UC822192  Erioneuron pulchellum C. L. Hitchcock 1940-4-1 5907 Riverside 1 mi below Cottonwood Springs; Joshua Tree National Monument Comment
  OBI16503  Eriophyllum confertiflorum Dieter H. Wilken 1965-6-29 322 Riverside Poppet Flat along County rte 1, San Jacinto Mtns 1372 Comment
  SBBG100492  Eriophyllum confertiflorum var. confertiflorum W. L. Halvorson 1977-4-1 77 -223 Riverside ca. 5 mi S of Temecula Comment
  UC1536860  Eriophyllum confertiflorum var. confertiflorum G. H. True Jr. 1935-3-15 104 Riverside Gavilan Hills 365 Comment
  SD124900  Eriophyllum wallacei Scott Cantrell 1986-3-28 91 Riverside Desert Hot Springs, near Highway 62 and Indian Ave. 519 Comment
  UCR277163  Eriophyllum wallacei Robert J. Steers, Chris E. True 2008-3-25 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Snow Creek Canyon, NE of Snow Creek Village, < 50 m east of Snow Creek Rd. 370 Comment
  RSA612846  Erodium cicutarium D. L. Banks 1997-3-1 1370 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  UCR62382  Eryngium aristulatum R. Montijo 1990-5-23 s.n. Riverside Mesa de Colorado, S edge of Santa Rosa plataeu 642 Comment
  RSA356742  Eryngium aristulatum var. parishii R. F. Thorne 1973-5-23 45524 Riverside Santa Rosa Plateau-Mesa De Colorado: Wet margin of vernal marsh 609 Comment
  RSA0020060  Erythranthe guttata Philip A. Munz 1924-5-18 8137 Riverside 18 miles from Banning on Idyllwild Road [Hwy 243?]. 1524 Comment
  SD119897  Erythranthe guttata Louis B. Ziegler 1967-7-17 187 Riverside San Jacinto Mountains. Hemet Valley. Near Herkey Creek Canyon. Moist ground 1584 Comment
  RSA0014888  Erythranthe tilingii G. R. Campbell 1948-7-4 616 Riverside On streambank at Azalea Trails Girl Scout Camp, near Idyllwild. Comment
  RSA709236  Erythrina lysistemon T. B. Salvato 2003-6-10 110 Riverside Upper Santa Ana River Basin/San Bernardino Valley region: Riverside, residence of Andrea and John Briggs, 164 East Broadbent Drive. 366 Comment
  GMDRC5579  Eschscholzia androuxii Shannon M. Still, Robert Lee 2009-3-3 457 Riverside Little San Bernardino Mountains: Salvia in bloom here, along ith chia, palo verde, Hymenoclea 677 Comment
  UCD96497  Eschscholzia androuxii Shannon M. Still 2009-4-19 547 Riverside California. Riverside County: Joshua Tree National Park. Next to stone outcropping off of Old Dale Road. 722 Comment
  CSUSB2256  Eschscholzia caespitosa R. M. Cope 1965-3-13 Riverside In small canyon on west side of Whitewater Canyon Road about two miles from trout hatchery; on sandy hillside. 335 Comment
  UCR274075  Eschscholzia californica T. B. Salvato, Gregg Miller 2005-6-7 1432 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  SBBG44510  Eschscholzia glyptosperma Leota Davidson 1966-4-5 288 Riverside off Interstate 10, past Wylie Well, 2 mi past intersection, Chuckawalla Mts 213 Comment
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Oct 23 2011
  CAS-BOT-BC83138  Eschscholzia minutiflora Elizabeth McClintock 1958-4-5 s.n. Riverside In Painted Canyon, Colorado Desert. Comment
  UCR104015  Eschscholzia minutiflora George K. Helmkamp 1998-4-4 3133 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCSB12878  Eschscholzia minutiflora Breedlove, Dennis 1962-3-11 Riverside Cat Creek wash; 3 miles southwest of Palm Desert 426 Comment
  CAS-BOT-BC419612  Eschscholzia parishii P. C. Everett; E. K. Balls 1958-4-29 23013 Riverside U.S. Hwy. 60/70, Indio to Blythe, 1 mi. w. of Cactus City 548 Comment
  JEPS51818  Eschscholzia parishii S. B. Parish 1920-3-25 20027 Riverside Palm Springs Colorado Desert Comment
  OBI53710  Eucalyptus globulus A. C. Sanders 1985-12-28 5966 Riverside Between Mira Loma and Pedley, one of a line of Eucalyptus trees planted as a windbreak along Wineville Rd ca 1/4 mi N of Limonite Ave Comment
  CSUSB861  Eucalyptus tereticornis Bruce A. Beebe 1970-5-12 39 Riverside Box Springs Mountains North foothills of Box Springs Mountains along Pigeon Pass Road, 0.4 mile from junction with Serpentine Road; about 3 miles north of UC Riverside. 426 Comment
  UCR237635  Eucnide urens Duncan S. Bell 2010-3-20 634 Riverside Riverside Mountains, in the vicinity of Mountaineer Mine, c. 2 air mi northeast of Riverside Mountain Peak 215 Comment
  UCR214147  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37711 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.3 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 405 Comment
  UC1618027  Eucrypta chrysanthemifolia var. chrysanthemifolia Donald G. Nelson 1936-5-22 390 Riverside along trail from Ribbonwood Camp down to Palm Canyon (Pines to Palms Hwy, near base of Santa Rosa Mountains) Comment
  CLARK-A1528-2973  Eucrypta micrantha John C. Roos 1958-2-21 Riverside Chuckwalla Mountains Comment
  RSA775663  Eucrypta micrantha Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 812 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UCSB42179  Eucrypta micrantha Roos, John 1958-2-21 Riverside Corn Springs, Chuckawalla Mtns. Comment
  CAS-BOT-BC202781  Euonymus occidentalis var. parishii D. E. Breedlove 1961-8-5 945 Riverside 0.5 mile upstream from point where creek crosses Riverside Highway 1; San Jacinto Mountains. Along Fuller Mill Creek 1645 Comment
  UCD142540  Euphorbia albomarginata William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR233944  Euphorbia micromera Duncan S. Bell 2011-10-22 3000 Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  UCR100572  Euphorbia nutans George K. Helmkamp 1997-11-1 2514 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  RSA696840  Euphorbia polycarpa Mary Edmunds 1932-3-24 s.n. Riverside Oasis. [Coachella Valley? County not specified] Comment
  SD128680  Euphorbia polycarpa Darley F. Howe 1980-4-15 Riverside 1.5 miles west of Mesa Verde, south slope of McCoy Mountains, Highway 10 Comment
  UCR163870  Euphorbia polycarpa B. G. Pitzer 2000-11-4 4245 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  UCR5296  Euphorbia serpillifolia subsp. hirtula Frank C. Vasek 1966-9-5 660905- 04 Riverside San Jacinto Mtns., 1 mile north of Mountain Center toward Idyllwild 1445 Comment
  UC1931093  Euphorbia serpillifolia subsp. serpillifolia Scott D. White, Justin Wood 2008-7-8 12375 Riverside San Jacinto Mountains: Hurkey Creek Watershed - Bonita Vista Rd. ca. 1/2 miles E and W of Hurkey Creek crossing. Comment
  RSA561888  Euphorbia spathulata Steve Boyd 1992-6-10 7640 -B 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
  UCR26002  Fagonia laevis R. E. Steele 1977-3-28 14 Riverside Sonoran (Colorado) Desert, 6 mi [SW] of Interstate 10 along Box Canyon Road 305 Comment
  UCSB8693  Fagonia laevis Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  CHSC103495  Fagonia pachyacantha Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot 2004-5-14 11237 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: 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
  RSA735215  Fagonia pachyacantha Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11237 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
  UCR200289  Fagonia pachyacantha Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11237 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR88292  Ferocactus cylindraceus A. C. Sanders, K. C. Rose 1995-4-5 16380 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR20466  Festuca microstachys John C. Roos 1952-4-9 5481 Riverside Hill by Fairmont Park, Riverside 259 Comment
  UCR48362  Festuca microstachys Steve Boyd 1986-5-1 1807 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  OBI53610  Festuca myuros Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 and Indian Truck Trl Comment
  RSA0126277  Festuca octoflora Duncan S. Bell 2016-3-4 8807 Riverside Orocopia Mountains; northwest section of the range, in a small canyon approximately 4 air miles north northwest of the Orocopia Mountain summit area. 622 Comment
  CLARK-A1528-4666  Festuca pacifica John C. Roos 1938-3-20 726 Riverside Temescal Canyon Comment
  RSA336045  Filago californica R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52030 Riverside Chino Canyon Comment
  RSA612961  Filago californica D. L. Banks 1997-3-29 1630 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR158510  Filago californica A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30086 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
  RSA556451  Filago gallica Julie Greene 1993-4-30 1283 Riverside San Jacinto Wildlife Area. N of San Jacinto River drainage. 433 Comment
  SD216506  Forestiera pubescens Jay B. Walker 1995-4-4 1310 Riverside San Bernardino National Forest; Santa Rosa Mountain truck trail, 4 kilometers south of highway 74 1600 Comment
  UCR124656  Forestiera pubescens B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1476 Riverside Gavilan Hills, Gavilan Peak, west of Perris 610 Comment
  RSA69357  Fouquieria splendens G. R. Campbell 1951-5-30 16157 Riverside Between junction of North and South roads around Lake Matthews and of HWY 395. 457 Comment
  UCR263412  Fouquieria splendens Aaron C. Sedgwick, Brett Griffin 2012-3-28 036 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  POM48951  Frasera parryi P. A. Munz, I. M. Johnston 1924-7-26 8720 Riverside Pine Flats Camp, San Jacinto Mtns. 1677 Comment
  UCR132719  Fraxinus uhdei A. C. Sanders, O. F. Clarke 1991-6-10 11131 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UC217971  Fraxinus velutina P. A. Munz and I. M. Johnston 1922-5-7 5279 Riverside Keyes Ranch Little San Bernardino Mts. 1066 Comment
  POM48349  Fraxinus velutina var. coriacea P. A. Munz, I. M. Johnston 1924-7-29 8866 Riverside San Gorgonio Canyon, North of Banning 1372 Comment
  RSA430208B  Fremontodendron californicum E. Misquez 1987-4-11 s.n. Riverside Motte Reserve, west of Hwy 215, at the end of a paved and dirt road at the end of Nuevo Rd. , near the water tanks--species planted here. Comment
  RSA524592  Fritillaria biflora Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3907 Riverside Vail Lake area, summit of Big Oak Mountain, N of lake. 793 Comment
  UCD95139  Fumaria parviflora Gary W. Sanderson 1960-2-24 s.n. Riverside east side of State Highway 111, 1 mile north of Indio towards Palm Springs. Comment
  RSA667307  Funastrum cynanchoides var. hartwegii B. Pitzer 1989-4-16 1309 Riverside Chocolate Mountains Aerial Gunnery Range. 4 km W of Tabaseca Tank, in Impact Area. 620 Comment
  SEINET10928351  Funastrum hartwegii Thorne 1980-4-16 THORNE 54111 Riverside San Bernardino Mts., along Whitewater Canyon Road Comment
  RSA776948  Funastrum hirtellum Amber Swanson 2011-3-19 241 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  SEINET7248310  Funastrum hirtellum Duncan S. Bell, LeRoy Gross 2014-1 6273 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UCR228166  Funastrum utahense Dave Silverman, Mark Bibbo 2010-3-31 7899 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 2.1 km west of Black Creek Rd, 6.5 km ENE of McCoy Peak and 6.6 km north of I-10 189 Comment
  JEPS7035  Galium andrewsii subsp. andrewsii Carl V. Meyer 1929-6-18 778 Riverside summit of Hamilton Grade San Jacinto Mts. Comment
  JEPS56075  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-1-21 4177 Riverside Hwy 79 10.1 mi s Hemet (e-facing slope in hills) Comment
  POM46850  Galium angustifolium subsp. angustifolium Charlotte M. Wilder 1904-6-11 111 B Riverside Wilders Canyon; Jurupa Hills near Riverside. Comment
  JOTR16839  Galium angustifolium subsp. gracillimum Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1676 Comment
  JOTR37460  Galium angustifolium subsp. gracillimum Hodges, Stephen, T. Green 2016-5-24 582 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  RSA615100  Galium aparine D. L. Banks 1997-3-29 1579 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR1110  Galium aparine R. L. Webster 1957-4-26 s.n. Riverside Riverside; Fairmont Park, 100 yards west of Evans Lake, just south of road/path to river 244 Comment
  LA208517  Galium johnstonii Carl Epling; William Robison 1935-6-30 Riverside Mt. San Jacinto, between Pine Flat Camp and Fuller's Mill Comment
  JOTR33778  Galium multiflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2930 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (stop 3) Comment
  JOTR34214  Galium multiflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 3006 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  SBBG68947  Galium parishii R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2438 Comment
  UCR262238  Galium porrigens T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3717 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  SBBG119992  Galium porrigens var. porrigens A. C. Sanders with M. Misenhelter 2005-3-23 29266 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  UC1536777  Galium porrigens var. porrigens G. H. True 1935-4-5 213 Riverside Gavilan Hills 609 Comment
  POM4410  Galium stellatum I. M. Johnston 1917-4-4 1038 (9) Riverside Colorado Desert: Palm Canyon. 305 Comment
  CLARK-A1045-214  Galium stellatum subsp. eremicum George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; rocky area at base of dry wash; Lost Horse Mtn. 15'Q Comment
  RSA645880  Garrya A. C. Sanders, E. J. Lott 1992-6-12 12406 Riverside Birmingham Ranch in Water Canyon, a tributary from the N of Wildwood Cyn. 1052 Comment
  CAS-BOT-BC178389  Garrya flavescens Carl B. Wolf 1939-1-20 9485 Riverside East side Santa Ana Mts., along Eagle Motor Way, 1 mi. below summit. 914 Comment
  RSA750739  Garrya veatchii Scott D. White, Justin M. Wood 2009-5-22 12906 Riverside San Jacinto Mountains: Idyllwild area; 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds. Comment
  POM20916  Gastridium phleoides P. A. Munz 1923-9-7 7758 Riverside Trail from Holy Jim Canyon to Santiago Peak 1128 Comment
  RSA752813  Gayophytum A. C. Sanders, Tim Thomas 2008-8-1 35932 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  POM259114  Gayophytum diffusum subsp. parviflorum P. A. Munz 1938-8-14 15360 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  POM355341  Gayophytum diffusum subsp. parviflorum M. B. Dunkle 1933-7-19 3676 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  POM355383  Gayophytum diffusum subsp. parviflorum E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  SD229208  Gayophytum diffusum subsp. parviflorum Dick Schwenkmeyer 2012-9-18 834 Riverside Skunk Cabagge Meadow, 3 mi. (via trail) east od Humber Park, Idyllwild. 2432 Comment
  UCSB38069  Gayophytum oligospermum Lewis, Harlan 1962-8-2 Riverside San Jacinto Mnts. Pine cove road, .4 miles west of Idyllwild Banning Road. Comment
  CAS-BOT-BC303608  Geraea canescens H. M. Hall 1905-4-1 5866 Riverside Chuckawalla Bench Comment
  JEPS33538  Geraea canescens S. B. Parish 1920-3-26 20008 Riverside near Indian W<e>lls; Colorado Desert Comment
  RSA703806  Geraea canescens LeRoy Gross 2005-3-3 1603 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  UC727401  Geraea canescens Rateaver 1944-1-30 38 Riverside along trail of entrance to Palm Village Comment
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Mar 13 2014
  UCR103545  Geraea canescens George K. Helmkamp, E. A. Helmkamp 1998-1-17 2528 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  UCR166007  Geraea canescens Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR167202  Geraea canescens S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCR193128  Gilia A. C. Sanders, Tim Thomas 2008-6-20 35536 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA470133  Gilia angelensis Ora M. Clark 1929-3-16 1688 Riverside South of Cabazon. Comment
  UC880109  Gilia angelensis P. A. Munz and I. M. Johnston 1922-5-19 5350 Riverside 5 mi ne Murietta; ne of Murietta 457 Comment
  UCR103168  Gilia angelensis Scott D. White, Julie Greene 1997-3-12 4781 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR275509  Gilia angelensis D. E. Bramlet 2012-4-9 4996 Riverside San Gorgonio Pass, Banning, open fields south of Westward Ave. and east of Sunset Ave., west of 22nd St. 732 Comment
  HSC86989  Gilia capitata Maureen Pendleton 1988-2-15 Riverside 2 mi. NW of Alberhill on E side of Horsethief Canyon wash 381 Comment
  UCR106884  Gilia capitata A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20666 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  LA102237  Gilia capitata subsp. abrotanifolia John C. Roos; Lucille Roos 1952-4-27 5585 Riverside San Timoteo Canyon in Redlands 426 Comment
  POM3526  Gilia capitata subsp. abrotanifolia L. T. Street s.n. Riverside Temecula Canyon. Comment
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Mar 27 2011
  JEPS48799  Gilia latifolia Marjorie D. Clary 1932-4-12 960 Riverside Coral Reef Canyon Comment
  UCR180231  Gilia latifolia Scott D. White, Pam Devries 2006-3-14 11259 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  JEPS26556  Gilia maculata Peter Kamb 1948-4-11 888 Riverside Aqueduct Road 5 mi e Garnet (Coachella Valley); , e of Garnet 304 Comment
  UCR91005  Gilia ochroleuca A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18069 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  CAS-BOT-BC407603  Gilia ochroleuca subsp. exilis Carl Meyer 1927-6-1 193 Riverside Below Saunder's Meadow, San Jacinto Mountains 1584 Comment
  CAS-BOT-BC407622  Gilia ochroleuca subsp. exilis Frank W. Peirson 1928-3-24 7725 Riverside Temescal Canyon, near auto camp 304 Comment
  JEPS4111  Gilia ochroleuca subsp. exilis W. L. Jepson May 17 1901-Jun 1 1901 1270 Riverside San Jacinto Valley 274 Comment
  RSA0017092  Gilia ochroleuca subsp. exilis D. L. Banks, S. D. Boyd 1995-5-3 0256 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
  SBBG101681  Gilia ochroleuca subsp. exilis S. Boyd 1986-4-19 1703 Riverside E side of Indian Wash between Interstate 15 and Temescal Cyn Rd; Temescal Cyn Comment
  SEINET7063437  Gilia ochroleuca subsp. exilis A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage on the East Benton Road. Tucalota Hills. UTM Zone 11, 499122mE, 3715547mN. (WGS84/NAD83). 514 Comment
  UC880040  Gilia ochroleuca subsp. exilis Mary F. Spencer 1922-4-23 2053 Riverside Banning Maillard Canyon <?> Banning (Millard Canyon) 731 Comment
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Mar 13 2011
  RSA776686  Gilia scopulorum Duncan S. Bell, Amanda Turek 2010-4-10 797 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA516892  Gilia stellata Steve Boyd, Orlando Mistretta 1986-3-13 1408 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  PASA732  Gilia virgata Mary Hall 1939-5-27 Riverside San Jacinto river Comment
  RSA614468  Githopsis diffusa subsp. candida D. L. Banks 1997-4-5 1707 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  UC284850  Glycyrrhiza lepidota P. A. Munz 1923-6-18 7132 Riverside Temecula Canyon; along creek Comment
  RSA725792  Gnaphalium beneolens R. E. Riefner 2006-9-14 06 -432 Riverside Peninsular Range: Temecula, Temecula Valley, Hwy 79 at Old Town Front Rd. 305 Comment
  UCR91644  Gnaphalium californicum Steve Boyd, D. L. Banks 1995-4-5 8432 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  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
  UCR162772  Gnaphalium luteoalbum S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  UCR41395  Gnaphalium luteoalbum N. M. Fellows, A. C. Sanders 1985-5-7 182 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA162744  Guillenia lasiophylla John Olmsted 1958-3-29 69 Riverside Transiton zone with NE drainage towards the Pinto Basin. Near intersection of Cottonwood Pass and Cottonwood Spring roads, 8 miles N of Souther entrance to Joshua Tree National Monument. 915 Comment
  LA99356  Gutierrezia microcephala E. R. Hobbs; 1978-7-17 78- 118 Riverside Avery Canyon, between Santa Rosa Hills and Polly Butte, N side of Gibbel Road, S of Hemet Comment
  RSA500143  Gutierrezia sarothrae Steve Boyd, L. Arnseth 1989-6-4 3653 Riverside Vail Lake area, W base of hills between Temecula and Wilson Creeks. 488 Comment
  SD137879  Gutierrezia sarothrae Darin L. Banks, Steve Boyd 1995-10-26 827 Riverside Northwest Palomar Mountains; Cleveland National Forest, west of the Wo odchuck Trail lat the first grassland area along trail. 740 Comment
  CLARK-A1528-1884  Haplopappus cooperi John C. Roos 1943-5-22 2648 Riverside Little San Bernardino Mountains Comment
  SEINET11849224  Haplopappus linearifolius E. A. Purer 1935-1 6445 Riverside Pine Valley, Pines & Palms Highway Comment
  UCR146213  Haplopappus menziesii Scott D. White, Angelia Carey 2004-9-16 10748 Riverside San Jacinto Mountains foothills, Along Poppet Creek NE of San Jacinto River 610 Comment
  UCR172197  Harpagonella palmeri John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR91476  Harpagonella palmeri Scott D. White, M. Jacobsmeyer 1996-4-20 3947 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  UCR250218  Hedypnois cretica A. C. Sanders 2014-4-8 40982 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.5 km NW of El Hermano Rd., c. 0.8 km SE of I-15 crossing 315 Comment
  CAS-BOT-BC211544  Helianthemum scoparium Carl B. Wolf 1936-6-17 7956 Riverside Tenaja Road, 1 4/10 mi. off Ortega Highway on road to La Cienega, Santa Ana Mts. 609 Comment
  UCR281489  Helianthemum scoparium Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 113 Riverside Temescal Valley, 0.25 miles SW of the intersection of De Palma Rd. and Horsethief Canyon Rd. 396 Comment
  RSA162726  Helianthemum scoparium var. aldersonii J. D. Olmsted 1959-4-17 411 Riverside Rattlesnake Rock along Black Star Canyon Road 1 mi. north of Hidden Ranch and below Beacon Pines Ranch; 10 mi. SW of Corona 747 Comment
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Jun 6 2013
  JEPS16500  Helianthus gracilentus Peter H. Raven, S. R. Snow 1956-7-6 9660 Riverside Vandeventer Flat San Jacinto Mountains Comment
  UCR100291  Helianthus gracilentus B. G. Pitzer 1997-4-20 3177 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  UCR1412  Helianthus gracilentus Frank C. Vasek 1958-5-9 580509- 06 Riverside San Bernardino Valley Region, Reche Canyon 549 Comment
  POM14105  Heliotropium curassavicum var. oculatum P. A. Munz, D. D. Keck 1922-4-9 4880 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA680563  Hemizonia fasciculata Scott D. White, Michael Honer 2003-6-3 9458 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  SEINET7063228  Hemizonia fasciculata A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 719 Comment
  UCR167687  Hemizonia fasciculata T. B. Salvato, Melissa Clemons 2005-6-23 1290 Riverside Peninsular Range; Temescal Valley, Alberhill, intersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at base of Walker Canyon 378 Comment
  RSA92594  Hemizonia fasciculata J. C. Roos 1952-5-14 5669 Riverside San Jacinto river bottomlands 1 miles southeast of Perris. 426 Comment
  UCR232035  Hemizonia kelloggii John F. Green 2008-4-16 A- 01 Riverside Peninsular Range; Perris-Aguanga Valley, SE edge of Romoland, edge of electrical power station, between Menifee and Palomar roads 446 Comment
  UCR235092  Hemizonia kelloggii A. C. Sanders, John F. Green 2012-6-1 40224 Riverside Peninsular Range; Santa Ana Mtns. Region, old railroad grade in hills between I-15 and Temescal Canyon Rd., 0.6 km WNW (295 deg. ) of El Hermano Rd. junction with Temescal Cyn. Rd. 324 Comment
  UCR189785  Hemizonia mohavensis Diane Menuz 2007-7-19 330 Riverside Peninsular Range; San Jacinto Mountains, c. 0.5 km [east] of Highway 74, along a dirt road (Apple Canyon Road) 1335 Comment
  RSA715053  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2003-5-21 26787 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR256787  Hemizonia paniculata T. B. Salvato, Matthew Malle 2013-5-20 7572 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  UCR225211  Herniaria hirsuta subsp. cinerea T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5164 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  JOTR16736  Hesperocallis undulata Leary, Pat 1975-4-27 1116 Riverside Joshua Tree National Park. TWO MILES EAST OF PINTO WELLS 487 Comment
  RSA0026165  Hesperocallis undulata Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17707 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 6 kilometers ENE of north end of the Mule Mountains. Comment
  RSA3979  Hesperocallis undulata Carl B. Wolf 1932-4-29 s.n. Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  UCR24143  Hesperocallis undulata John C. Roos 1949-3-19 4114 Riverside Western Colorado Desert, Sandy flats 2 or 3 miles east of Mecca Comment
  CAS-BOT-BC403802  Hesperocnide tenella A. C. Sanders 1997-3-1 19753 Riverside Riverside: Box Springs Mtns., S end of the range along Gernert Rd. (dirt), in valley draining to Box Springs Cyn. 457 Comment
  HSC85437  Hesperocnide tenella Steve Boyd 1986-4-2 1598 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA85451  Hesperocnide tenella J. C. Roos 1952-4-13 5537 Riverside North side of Box Canyon 396 Comment
  UCR48407  Hesperolinon micranthum Steve Boyd 1986-5-7 1849 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  RSA586951  Heterocodon rariflorum D. L. Banks, S. D. Boyd 1995-5-30 0480 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N Flank of Agua Tibia Mountain, along the Dripping Springs Trail; at first saddle area in section 34, NNE of the two peaks of Agua Tibia Mountain. 963 Comment
  UC191682  Heterocodon rariflorum S. B. and W. F. Parish Jun 1882 1425 Riverside base of San Jacinto Mt. Comment
  RSA0075887  Heterotheca grandiflora Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  RSA0075891  Heterotheca grandiflora Carol Zuck 1981-2-16 40 Riverside On I-74, 14.8 miles southeast of Santa Rosa Rd. overlooking Elsinore. Comment
  RSA0075895  Heterotheca grandiflora E. W. Lathrop 1966-3-2 6045 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trails. 878 Comment
  SEINET11261246  Heterotheca grandiflora N. Duane Atwood 1993-3-26 17685 Riverside 6 miles NE of San Juan Capistrana along Hwy 74.; 0 Comment
  UC31137  Heterotheca sessiliflora subsp. echioides Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  CAS-BOT-BC310832  Heterotheca sessiliflora subsp. fastigiata D. E. Breedlove 1961-8-5 950 Riverside Hemet Valley, San Jacinto Mountains. Along State Highway 74, 5 miles east of Keen Camp 134 Comment
  UC858011  Heuchera hirsutissima P. A. Munz 1922-7-7 6044 Riverside San Jacinto Peak 3285 Comment
  JOTR28877  Hibiscus denudatus La Doux, Tasha, Bill Truesdell 2004-3-17 1112 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  RSA775661  Hibiscus denudatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 806 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  SBBG104702  Hibiscus denudatus T. Glenn 1991-5-2 91 -22 Riverside McCoy Mtns NW of Blythe 350 Comment
  UCR208895  Hibiscus denudatus I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, mouth of Andreas Canyon 244 Comment
  UCR214297  Hibiscus denudatus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37472 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
  UCR281014  Hilaria rigida Fred M. Roberts 2016-3-5 7988 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: west end, 4.3 km E Palen Pass and 2.2 km W 'Peak 602" 113 Comment
  SDSU12876  Hirschfeldia incana J. Jill Steinberg, Janet Knotts and Kevin Contreras 1998-3-25 32 Riverside Approxiately 200 feet north of Santa Margarita (SDSU) Field Station trailer, on trail to road leading down to Santa Margarita River. 335 Comment
  RSA86996  Hoffmannseggia glauca Margaret Stason 1932-03 249 Riverside Roadside near Blythe, eastern Riverside County. Comment
  RSA674575  Hoffmannseggia microphylla Scott D. White, Brian Leatherman 2000-10-5 8135 Riverside Near Berdoo canyon: Northeast of Dillon Rd., just S of mouth of Berdoo Canyon. On the S-facing bajada of the Little San Bernardino Mts. 183 Comment
  UCSB3085  Hoffmannseggia microphylla Haller, John 1958-3-22 Riverside Near U.S. Highway 60-70, 7.8 miles east of junction with U.S. Highway 99, near Indio 304 Comment
  RSA707985  Hoita orbicularis Scott D. White, Angelia Carey 2004-5-7 10347 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UCR150022  Hoita orbicularis Scott D. White, Angelia Carey 2004-5-7 10347 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR75301  Hordeum depressum A. C. Sanders 1993-4-5 13686 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  UCR269907  Hordeum intercedens D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3661 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  CLARK-A1528-67  Hordeum leporinum Oscar F. Clarke, C. M. Flanagan 1973-3-13 OO 118 Riverside US 274 Comment
  SBBG54334  Hordeum marinum subsp. gussoneanum C. Davidson 1977-5-25 5637 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UCR91887  Hordeum murinum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18043 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  RSA774502  Hordeum murinum subsp. glaucum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4424 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 W116.64316 487 Comment
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May 7 2014
  RSA575992  Hordeum vulgare Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills region; upper 'Santa Rosa Canyon' east of the Gavilan Plateau along Santa Rosa Road. 1/4 mile east of the stream crossing. 640 Comment
  RSA0018954  Horkelia clevelandii Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 658 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA633327  Horkelia clevelandii Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38078 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
  UC44526  Horkelia clevelandii John Thomas Howell 1927-8-2 2913 Riverside Mt. San Jacinto, Strawberry Valley 1676 Comment
  RSA0026267  Horkelia cuneata subsp. cuneata Fred M. Roberts 2013-6-7 7781 Riverside Peninsular Ranges: Santa Ana Mtns.: Tributary to Upper San Juan Canyon near Chiquito Basin Trail, 1.1 kilometers NNW Upper San Juan Campground. 518 Comment
  SD187403  Hosackia crassifolia var. crassifolia R. E. Riefner Jr. 2007-6-16 07 264 Riverside City of Hemet, Bautista Canyon, 2.8 mi east of Fairview Ave. on Bautista Rd. 693 Comment
  SD42469  Hosackia crassifolia var. crassifolia Carl B. Wolf 1940-7-2 9719 Riverside East side of santa Ana Mountains, Indian Canyon truck trail, Ao mile below main divide, dry open slopes 1219 Comment
  JEPS30449  Hulsea vestita Donald W. Kyhos 1958-5-16 58 -187 Riverside 2.5 mi w Aguanga turnoff (Palms-to-Pines Highway); San Jacinto Mountains Comment
  POM360726  Hulsea vestita subsp. callicarpha N. C. Cooper 1949-6-29 4310 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  UC219566  Hulsea vestita subsp. callicarpha P. A. Munz 1922-6-28 5877 Riverside near Toro Peak; Santa Rosa Mts. 2407 Comment
  RSA796108  Hymenoclea salsola Duncan S. Bell 2009-4-20 312 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  POM182076  Hymenoclea salsola var. pentalepis P. A. Munz 1932-3-14 11972 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  POM250332  Hypericum androsaemum I. W. Clokey 1935-8-21 6833 Riverside North fork, San Jacinto River. 1500 Comment
  UCR195117  Hypericum formosum A. C. Sanders, Tim Thomas 2008-8-1 35946 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  UCR21913  Hypochaeris glabra Steve Boyd 1980-5-8 s.n. Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  NY43320  Hyptis emoryi C. R. Annable 1995-3-12 2275 Riverside Box Canyon Wash, Hwy 195 Comment
  OBI13686  Hyptis emoryi Robert F. Hoover 1966-10-15 10164 Riverside Dead Indian Cyn Comment
  UC25261  Hyptis emoryi S. B. Parish Apr 4 1896-Apr 13 1896 4137 Riverside desert base San Jacinto Mt. (Palm Springs (Agua Caliente)); desert base of San Jacinto Mt., Palm Springs (Agua Caliente) 152 Comment
  UCR102719  Hyptis emoryi B. G. Pitzer 1998-1-24 3405 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
  SEINET1907382  Ipomoea murucoides Robin Salter 1995-1 Riverside Riverside: tree in the yard of E. Johnson, Blaine Street at Mt. Vernon. Origin unknown, but this is an old house and the tree may have been there for some time. Comment
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Aug 19 2015
  SBBG62877  Isocoma acradenia R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  CAS-BOT-BC311617  Isocoma acradenia var. eremophila S. B. Parish 1912-6-28 8117 Riverside Mecca Comment
  POM13734  Isocoma acradenia var. eremophila E. C. Jaeger 1921-11-10 1158 Riverside Little Palm Canyon. Comment
  RSA772331  Isocoma acradenia var. eremophila Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4511 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR264612  Isocoma acradenia var. eremophila Mitch Provance 2012-11-9 1112- 1 Riverside Colorado Desert, Whitewater, near corner of Whitewater cutoff Rd. and Painted Hills Rd., about 0.1 miles N of Interstate 10 405 Comment
  SBBG133573  Isocoma menziesii S. C. White, A. Carey, L. Archa 2004-8-5 10667 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation Comment
  UCR97240  Isocoma menziesii var. vernonioides Scott D. White 1997-2-9 4682 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
  CSUSB721  Isomeris arborea David M. Peterson 1966-2-20 660220 12 Riverside 8 miles northeast of Mecca in Box Canyon, on Mecca-to-Joshua Tree National Monument Road. 170 Comment
  CAS-BOT-BC224903  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37161 Riverside Peninsular Range: Riverside, between UCR agricultural operations fields, along Iowa Ave. between University Ave. and M.L. King Blvd. 305 Comment
  HSC87024  Juncus balticus subsp. ater L. F. LaPre 1988-6-3 Riverside Indian Trails project site, Indian Truck Trail exit on W side of Hwy. 15 in Temescal Canyon, 1/4 mi. from the freeway Comment
  RSA544434  Juncus bufonius Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6341 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  UCR214306  Juncus bufonius A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38377 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR234428  Juncus bufonius Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  UCR281104  Juncus bufonius Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 28 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  UCR187313  Juncus duranii Naomi Fraga, Et al. 2006-7-11 1723 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  RSA741433  Juncus macrophyllus Scott D. White, Justin M. Wood 2008-6-18 12248 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UC1931127  Juncus macrophyllus Scott D. White, Justin Wood 2008-6-18 12248 Riverside San Jacinto mountains; Meadow N/ W of Keen Camp Summit, S/W of highway 79. (Idyllwild). Comment
  UCR167326  Juncus macrophyllus Scott D. White, Angelia Carey 2004-4-16 10177 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  RSA192146  Juncus mexicanus E. W. Lathrop 1959-4-26 4502 Riverside 14 miles W of Murrieta - Tenaja Plateau. Comment
  RSA500197  Juncus mexicanus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3547 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  RSA704867  Juncus mexicanus J. Russell Bruff 1934-6-19 549 Riverside Near Hemet Reservoir. Comment
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Jul 29 2010
  RSA368089  Juncus oxymeris M. B. Dunkle 1933-7-19 3668 Riverside Strawberry Valley. San Jacinto Mountains. 1707 Comment
  RSA0035955  Juncus phaeocephalus var. paniculatus Robert F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61169 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  CHSC89823  Juncus textilis L. P. Janeway 2004-5-8 8062 Riverside Peninsular Ranges. Santa Ana Mountains, San Mateo Canyon; between Tenaja Trail and the creek, 150 m south-southwest of the Tenaja Trail trailhead at Wildomar Road. Flattish bench above and away from the creek. 387 Comment
  RSA772576  Juniperus californica Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5053 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 750 Comment
  UC1212184  Juniperus californica H. E. and S. T. Parks 1940-2-1 24176 Riverside Palms to Pines Hwy Santa Rosa Canyon 1066 Comment
  SEINET7248824 Image available Justicia californica L. S. Rose 1946-1 46304 Riverside Tahquitz Canyon Wash, Palm Springs 139 Comment
  UCR226997  Justicia californica Jim Andre 2011-2-2 16217 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCR251730  Kallstroemia californica Deidre Conocchioli, April Garbat 2013-9-5 40 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 23 miles west of Blythe on I-10, Ford Dry Lake exit, Chuckwalla Valley Road 1.5 miles west to near Graham Pass Road 120 Comment
  RSA221035  Keckiella antirrhinoides E. W. Lathrop 1966-3-23 6075 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  RSA424819  Keckiella antirrhinoides Jeannette B. Edge 1934-4-22 18935 Riverside Jurupa Mountains, Mountain slope 549 Comment
  UCR241571  Keckiella antirrhinoides A. C. Sanders 2013-4-16 40803 Riverside Peninsular Range; SE Gavilan Hills, SCE power line west of the San Jacinto River and south of Perris, below/NE of the intersection of McPherson Rd. and Keystone Dr. 450 Comment
  SEINET13768169  Keckiella antirrhinoides I. W. Clokey, E. G. Anderson 1936-4-16 6885 Riverside East of Hemet along San Jacinto River 600 Comment
  RSA293257  Keckiella antirrhinoides subsp. antirrhinoides D. C. Michener 1981-5-15 3925 Riverside Palomar Mtns. Dripping Springs just north of the Agua Tibia Wilderness Area and East of the forest service station and campground. 152 Comment
  SEINET7072839  Keckiella antirrhinoides subsp. antirrhinoides A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  CAS-BOT-BC246203  Keckiella rothrockii Carl B. Wolf 1932-8-5 3933 Riverside Summit of Devil's Slied, trail from Idyllwild to Tahquitz Valley, San Jacinto Mts. 2438 Comment
  RSA160543  Keckiella rothrockii subsp. jacintensis J. D. Olmsted 1959-7-1 704 Riverside 1/4 mi. N of trunoff to Strawberry Cienega along trail from saddle to San Jacinto Park.; 4 mi ENE of Idyllwild; San Jacinto Mtn. Range. 2744 Comment
  RSA735943  Kochia scoparia Scott D. White, Justin Wood 2008-6-13 12104 Riverside San Timoteo Canyon, near El Casco Lake (private pond) E of the road. 579 Comment
  RSA740082  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-16 12147 Riverside Meadow at Quinn Flat. 1378 Comment
  UCD85716  Koeleria macrantha A. A. Beetle 1946-6-10 4393 Riverside San Jacinto Mt., San Jacinto Mts. 1219 Comment
  UCR2493  Koeleria macrantha F. M. Reed 1932-7-2 7294 Riverside San Jacinto Mountains, Camp Emerson, Idyllwild 1524 Comment
  RSA0029090  Koeleria macrantha John F. Emmel 1994-5-21 1307 Riverside West Ridge, SW of Idyllwild; slope 0.1 air mi NW of Inspiration Point. 1598 Comment
  SBBG46421  Krameria bicolor C. H. Muller 1952-5-20 9512 Riverside Whitewater Cyn Comment
  JEPS64835  Krameria erecta W. L. Jepson 1901-5-22 1371 Riverside Palm Canyon Mt. San Jacinto (<= Palm Sprs of San Jacinto>, and return to Van Deventer's Ranch); , Palm Canyon Comment
  CLARK-A1528-3029  Krameria grayi John C. Roos 1948-4-24 3804 Riverside Whitewater Comment
  SEINET6658833  Krameria grayi Barbara Ertter, Jeffrey L. Strachan 1980-5-20 3464 Riverside West side Whitewater Hill, east side Whitewater Wash, northwest end of Coachella Valley north of I-10.; 0 457 Comment
  UCR17305  Krameria grayi K. Stolte 1978-5-25 s.n. Riverside Sonoran (Colorado) Desert, south side Hwy 111, at Windy Point; c. 5 mi. west of Palm Springs, Coachella Valley 300 Comment
  CLARK-A1528-1359  Krameria parvifolia var. glandulosa John C. Roos 1948-5-15 3857 Riverside Eagle Mountains Comment
  RSA510312  Lactuca serriola Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  UCR94926  Lactuca serriola Scott D. White 1996-9-22 4543 Riverside Perris Basin, Perris: Nuevo Road near intersection with Wilson Ave., west of the San Jacinto River crossing. 436 Comment
  SEINET5560172  Lamarckia aurea H. S. Gentry 1973-1 22192 Riverside Gentry ranch, 3.5 miles NE of Murrieta. 396 Comment
  UCR20769  Langloisia schottii A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1326 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
  UCR50884  Langloisia setosissima A. C. Sanders 1988-5-11 7806 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  RSA469611  Langloisia setosissima subsp. setosissima L. H. Jones 1910-3-18 s.n. Riverside Riverside Mountain, near the Colorado River. Comment
  RSA0124823  Larrea tridentata Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8749 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  RSA390017  Larrea tridentata M. B. Dunkle 1932-3-25 2899 Riverside Near Cathedral Canyon. 61 Comment
  RSA390031  Larrea tridentata L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain on gravelly hillside Colorado River. Comment
  RSA480026  Larrea tridentata Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2149 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SD227878  Lastarriaea coriacea A. C. Sanders, N. Ferguson 1994-6-2 14634 Riverside San Jacinto Mountains: Bautista Canyon ca. 1 mile above the forest service boundary. 850 Comment
  RSA359852  Lastarriaea coriacea Steve Boyd 1986-4-2 1634 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SD30719  Lasthenia californica Edith A. Purer 1935-4-21 6442 Riverside Pine Valley on Palms to Pines Highway. Comment
  SEINET7063465  Lasthenia californica A. G. Vestal 1947-3-31 s.n. Riverside Southeast of Cajaleo Reservoir [presently Lake Matthews] on Cajaleo Road. UTM Zone 11, 462989mE, 3743281mN. (WGS84/NAD83). 438 Comment
  CLARK-A1045-238  Lasthenia chrysostoma George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  JEPS29480  Lasthenia coronaria Lauramay T. Dempster 1962-4-17 1889 Riverside about 1 mi below Fish Hatchery; Whitewater Canyon Comment
  POM361557  Lasthenia coronaria Ora M. Clark 1929-3-2 1609 Riverside Near Alberhill Comment
  RSA617302  Lasthenia coronaria R. S. Woglum 1934-3-18 649 B Riverside San Jacinto Mountains/Sonoran Desert transition: Snow Creek, Coachella Valley. Comment
  RSA79174  Lasthenia coronaria P. A. Munz, P. Everett 1952-5-2 16241 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UCD133644  Lasthenia coronaria Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-1 3106 Riverside Vail Lake area. At north base of rounded knob 1.25 miles WSW of dam. 609 Comment
  UCR152634  Lasthenia coronaria A. C. Sanders 2005-4-22 29588 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  RSA609951  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-15 2231 Riverside The site is adjcent to 150m north of the Colorado River aqueduct road, some 620m east of warren Road. The site is approximatly 150-305m south of the Ramona Expressway. 427 Comment
  UCR90765  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1995-5-5 2407 Riverside Perris-Aguanga Basin region, 7.5 km west of Lakeview and some 90 m SE of the intersection of the Ramona Expressway and Martin Road (Road to Lakeview Hot Springs) 435 Comment
  RSA654618  Lasthenia gracilis Lydia Paneri 1982-4-17 39 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
  RSA660556  Lasthenia gracilis Lydia Paneri 1982-4-17 14 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA691954  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-9 8967 Riverside Hemet Area: Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm. 473 Comment
  UCR178150  Lasthenia gracilis T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 916 Riverside San Bernardino Mtns., Morongo Indian Reservation, Burro Flats 1189 Comment
  UCR232361  Lasthenia gracilis John F. Green 2008-4-16 0408- 36 Riverside Peninsular Range; Perris-Aguanga Valley, SE edge of Romoland, edge of electrical power station, between Menifee and Palomar roads 446 Comment
  RSA709449  Layia glandulosa T. B. Salvato, John Green 2004-5-27 705 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA744309  Layia glandulosa Michael Wall 2009-5-15 509 Riverside Bautista Creek, off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 752 Comment
  VVC1155  Layia glandulosa A. C. Sanders 1994-5-29 14573 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  JOTR00916  Layia glandulosa Sipe, Frank 1958-3-5 257 Riverside Joshua Tree National Park. SQUAW TANK AREA, GEO TOUR Comment
  UCR114018  Layia platyglossa Mitch Provance 2000-4-8 2008 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  UCR114299  Layia platyglossa Julie A. Greene 1993-4-10 1150 a Riverside San Jacinto Valley, San Jacinto Wildlife Area. Sloping drainage from Davis Road. 436 Comment
  RSA263684  Layia platyglossa subsp. campestris E. W. Lathrop 1968-6-2 6951 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  UCR193544  Layia ziegleri A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35614 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  UCR24002  Leersia oryzoides John C. Roos 1965-11-4 s.n. Riverside Riverside, outlet of lake at Fairmont Park 238 Comment
  RSA234095  Lemna gibba Robert F. Thorne, E. W. Lathrop 1969-6-6 39344 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  CAS-BOT-BC534385  Lemna gibba R. F. Thorne; E. Lathrop 1969-6-6 39344 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  RSA769623  Lepechinia E. W. Lathrop 1973-6-28 7440 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA643101  Lepechinia cardiophylla Orlando Mistretta 1992-8-31 788 Riverside Santa Ana Mountains; Sierra Peak; Cleveland National Forest. Astragalus brauntonii survey. 701 Comment
  UCR153379  Lepechinia cardiophylla Orlando Mistretta 1992-8-31 788 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Ana Mountains; Sierra Peak; Cleveland National Forest. Astragalus brauntonii survey 701 Comment
  UCR162956  Lepidium dictyotum var. acutidens Fred M. Roberts, D. E. Bramlet 2005-4-1 6152 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  SBBG100414  Lepidium fremontii W. L. Halvorson 1977-3-8 77 -74 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  CAS-BOT-BC89583  Lepidium lasiocarpum D. A. Johansen; J. A. Ewan 1932-4-10 7056 Riverside Along diversion canal at mouth of Tahquitz Canyon. 213 Comment
  RSA429919  Lepidium lasiocarpum W. M. Zabriskie 1973-2-21 117 Riverside Upper Pipistrille Canyon, Deep Canyon drainage, north slope of Santa Rosa Mtns. site 17 854 Comment
  RSA429928  Lepidium lasiocarpum Martha Hilend 1928-3-11 s 101 Riverside Morongo Pass, Colorado Desert region. Comment
  UC673522  Lepidium lasiocarpum var. lasiocarpum Herbert L. Mason 1928-3-11 4243 Riverside near Indio Comment
  RSA543302  Lepidium nitidum Steve Boyd 1991-3-17 5508 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCR107718  Lepidium nitidum A. C. Sanders 1997-3-1 19741 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  SDSU13388  Lepidium nitidum var. nitidum Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 25 Riverside Along a poorly defined trail east of the North research station. Near the edge of the north side of the canyon wall. At the Santa Margarita Ecological Research Station(SDSU). 335 Comment
  SD136872  Lepidium virginicum Steve Boyd 1992-4-14 6838 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Western Flank of Bluewater Canyon along Bluewater Trail 341 Comment
  UCR242674  Lepidium virginicum subsp. menziesii A. C. Sanders 2013-7-6 40839 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  UCR121177  Lepidium virginicum var. robinsonii D. E. Bramlet 1990-4-26 1977 Riverside E side of Rawson Canyon, 2,500 ft. (~0.47 mi.) SW of knoll '2267" 610 Comment
  UCR258873  Lepidium virginicum var. robinsonii T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7909 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  CAS-BOT-BC274021  Leptochloa fusca subsp. uninervia Lewis S. Rose 1957-1-3 57008 A Riverside La Quinta 15 Comment
  RSA752545  Leptodactylon californicum Justin M. Wood 2009-3-10 351 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  UC1123902  Leptodactylon californicum R. St. John 1929-3-12 13 Riverside Potrero Creek; Elsinore Quad., Potrero Creek Comment
  UC449744  Leptodactylon californicum F. M. Reed 1903-3-26 681 Riverside Wilder's Canyon Comment
  POM364644  Leptosiphon liniflorus N. C. Cooper 1944-5-20 1294 Riverside Banning. 701 Comment
  SD227874  Leptosiphon liniflorus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22216 Riverside San Bernardino Mtns.: Morongo Indian Reservation, side canyon E of Middle Branch Millard Canyon (Cabazon 7.5' Q) 1280 Comment
  UCR102728  Lessingia filaginifolia B. G. Pitzer 1998-1-25 3416 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  UCR141240  Lessingia filaginifolia A. C. Sanders, Mike Misenhelter 2004-10-6 28829 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  UCR3716  Lessingia filaginifolia Frank C. Vasek 1964-7-25 640725- 22 Riverside San Jacinto Mtns, road out of Dark Canyon 1829 Comment
  UCR143313  Lessingia filaginifolia var. filaginifolia I. W. Clokey, E. G. Anderson 1935-8-21 6962 Riverside Peninsular Ranges; San Jacinto Mountains, North fork, San Jacinto River 1500 Comment
  UCR89230  Lessingia filaginifolia var. filaginifolia Scott D. White 1995-9-22 3678 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  JEPS20574  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2929 Riverside top of control on road to Hemet (Mt. San Jacinto); Mt. San Jacinto Comment
  RSA181938  Lessingia glandulifera var. glandulifera Willard Spence 1960-8-24 583 Riverside 4.7 miles E of Anza on road to Santa Rosa Summit. 1372 Comment
  RSA732304  Lessingia glandulifera var. glandulifera John T. Howell 1927-8-2 552 -A Riverside Strawberry Valley, Mt San Jacinto. 1677 Comment
  UCR18401  Lessingia glandulifera var. glandulifera A. C. Sanders 1978-9-3 0145 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  HSC78994  Lilium parryi K. Berg 1980-7-29 244 Riverside San Jacinto Mtns., James Reserve, Hall Canyon, along Indian Creek 1646 Comment
  UC454443  Lilium parryi I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  RSA680094  Limonium ramosissimum R. E. Riefner 2003-5-27 3 -241 Riverside Back basin of Lake Elsinore, Malaga Rd near Mission Trail Rd. Comment
  RSA740935  Limosella acaulis Scott D. White, Justin M. Wood 2008-7-9 12437 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  RSA192026  Linanthus androsaceus subsp. luteolus E. W. Lathrop 1959-5-3 4530 Riverside 14 miles west of Murrieta. Tenaja Canyon. Comment
  RSA0009862  Linanthus bigelovii Marcus E. Jones 1903-5-11 10241 Riverside Whitewater. 305 Comment
  UCD118518  Linanthus californicus Edward J. Hall 1951-4-21 26 Riverside 1.7 miles S of Beaumont near Lamb's Canyon Road. Comment
  RSA773182  Linanthus dianthiflorus Duncan S. Bell, J. D. England 2010-5-27 1133 Riverside San Bernardino National Forest: Garner Valley, approximately 1 air mile southeast of junction of forest service road 6S04 and forest service road 6S13. 1354 Comment
  UC1563137  Linanthus dianthiflorus Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3182 Riverside Vail Lake area, in hills just to sw of the dam Vail Lake Area 487 Comment
  UCR1067  Linanthus dianthiflorus J. E. Dimitman 1957-3-23 s.n. Riverside Santa Ana Mtns., road (Guava St.?) to Vail Ranch, [4 mi. south]west of Murrieta 457 Comment
  UCR120893  Linanthus dianthiflorus Steve Boyd 1986-4-22 1779 Riverside Gavilan Hills, Plateau remnant of ridge east of Estelle Mountain, south of Dawson Canyon. 671 Comment
  RSA480084  Linanthus filiformis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2173 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  UCR78436  Linanthus floribundus Scott D. White 1993-3-15 1192 Riverside Peninsular Range, Elsinore, Hwy 74, just west of NW corner of Lake Elsinore. Dickey Canyon. Comment
  POM13324  Linanthus floribundus subsp. hallii E. C. Jaeger 1921-4-10 1088 Riverside Santa Rosa Mountains, Rockhouse Canyon Comment
  UCR216210  Linanthus jonesii Jim Andre, T. La Doux 2009-2-25 10829 Riverside Sonoran (Colorado) Desert, Big Maria Mountains, along west side of Hwy 95 just south of Black Point, c. 15 miles north of Blythe 94 Comment
  UCR86865  Linanthus jonesii A. C. Sanders, K. C. Rose 1995-4-27 16727 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  UCR177112  Linanthus lemmonii Bill Wagner 1994-5-11 s.n. Riverside Black Mountain, c. 4 miles NNE of Lake Skinner 915 Comment
  UCR62097  Linanthus lemmonii G. R. Ballmer 1990-5-6 s.n. Riverside Vicinity of Crown Valley: south of Domenigoni Valley & N (&W) of Rawson Canyon, where a little road goes into hills from Newport Road. 549 Comment
  CLARK-A1528-3476  Linanthus liniflorus John C. Roos 1937-5-27 Riverside Reche Canyon Comment
  RSA646296  Linanthus liniflorus Orlando Mistretta, Mark Elvin 1995-6-19 1778 Riverside San Jacinto Mountains: Highway 74. 1264 Comment
  RSA696690  Linanthus liniflorus Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto mountains, near Hemet Lake Comment
  UC354453  Linanthus liniflorus Edmund C. Jaeger 1925-5-1 Riverside Aguanga 883 Comment
  UCR35059  Linanthus liniflorus subsp. pharnaceoides L. B. Ziegler 1967-9-6 239 Riverside San Jacinto Mtns, Hemet Valley (=Garner Valley), Quinn Flats region 1375 Comment
  CLARK-A1528-4216  Linaria canadensis John C. Roos 1947-3-15 3346 Riverside San Jacinto Valley Comment
  RSA85440  Linaria canadensis var. texana J. C. Roos 1952-4-9 5504 Riverside north side of Mt. Rubidoux 381 Comment
  CAS-BOT-BC434237  Lithophragma Tracy Tennant; Mitch Provance 1998-6-16 MOR- 414 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1098 Comment
  UC11870  Lithophragma affine H. M. Hall May 1901 Riverside vicinity Strawberry Valley; San Jacinto Mountains, vicin of Strawberry Valley 1584 Comment
  POM1582  Lithophragma affine subsp. mixtum Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, canyons near Murietta. Comment
  RSA92551  Lithophragma affine subsp. mixtum J. C. Roos, L. Roos 1954-4-17 6067 Riverside Canyon SE of summit of Reche Canyon. 686 Comment
  CSUSB1428  Lobularia maritima Annette Price 1962-3-31 012 Riverside Growing along road through Citrus Experiment Station, just past station at the curve in the road, UCR campus, Riverside. Comment
  SDSU1194  Lobularia maritima James C. Dice, Virginia Moran 1987-11-28 759 Riverside South rim of Temecula Gorge, in dirt road near locked gate. T8S, R3W, NE 1/4 of SE 1/4 of Section 27. 305 Comment
  UC880237  Loeseliastrum matthewsii C. L. Hitchcock 1940-3-31 5885 Riverside 1/2 mi. below Cottonwood Spring Comment
  UCR103306  Loeseliastrum matthewsii George K. Helmkamp 1998-4-4 3151 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA757823  Loeseliastrum schottii Michael Wall 2010-5-6 557 Riverside Morongo Wash, NE of Palm Springs, WNW of Flat Top Mountain. 164 Comment
  CAS-BOT-BC342108  Logfia arizonica S. B. Parish 1907-4-17 6084 Riverside Palm Springs, Western edge of the Colorado Desert 60 Comment
  SD137890  Logfia filaginoides Darin L. Banks 1995-4-11 168 Riverside Cleveland National Forest, Agua Tibia Wilderness Area.North slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 960 Comment
  SDSU14027  Logfia filaginoides Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2098 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  UCR265814  Logfia filaginoides Mitch Provance 2012-5-24 512- 04 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
  UCR54311  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  RSA595326  Lolium perenne subsp. multiflorum D. L. Banks, Victor Steinmann 1996-4-20 876 Riverside Temecula, at Mobil Gasoline Station on Bedford Ct., approximately 0.1 miles E on Hwy 79 from I-15 off ramp. Collected in disturbed field and along wall of adjacent apartment complex, SE of the Gas Station. Comment
  POM305708  Lomatium lucidum Anonymous, Henry J. Ramsey 1939-4-22 1031 Riverside Hemet-Anza, Bautista Creek Rd. Comment
  JOTR34206  Lomatium mohavense La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2998 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  UC63680  Lomatium mohavense H. M. Hall May 1899 1184 Riverside San Jacinto Mts., Van de Venter's 1371 Comment
  UCR262252  Lonicera subspicata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3743 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  UCR89901  Lonicera subspicata A. C. Sanders 1995-11-26 17910 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  CAS-BOT-BC234886  Lonicera subspicata var. denudata H. M. Hall 1901-7-1 2529 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1615 Comment
  UC15535  Lotus argophyllus E. A. Zumbro 1902-4-10 Riverside Box Springs Mt. 701 Comment
  UCR120859  Lotus argophyllus Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  UCR110990  Lotus argyraeus var. argyraeus George K. Helmkamp 1998-6-27 4125 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  POM12089  Lotus crassifolius Mary F. Spencer 1921-6-27 1199 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UC15625  Lotus grandiflorus H. M. Hall 1898-6-24 937 Riverside Canyon of the San Jacinto River San Jacinto Mountains 1219 Comment
  RSA90355  Lotus nevadensis var. nevadensis F. W. Peirson 1924-7-27 4989 Riverside San Jacinto Mountains: Dark Canyon. 2226 Comment
  UCR193955  Lotus oblongifolius A. C. Sanders 2008-7-25 35889 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  JEPS55815  Lotus rigidus John Thomas Howell 1928-1-30 3314 Riverside Cottonwood Springs Colorado Desert Comment
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Sep 20 2011
  RSA618170  Lotus salsuginosus var. salsuginosus D. L. Banks 1997-5-5 2016 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  JOTR30261  Lotus strigosus Leary, C. and Leary, Pat 1979-5-6 3028 Riverside Joshua Tree National Park. ca. 1.0 mi S.E. of Quail Mtn., Joshua Tree N.M., T2S R7E sec 14 Comment
  RSA291598  Lotus strigosus C. W. Tilforth, Walter Wisura 1979-4-11 1776 Riverside Along Rancho California Rd. west of Temecula. Comment
  RSA406316  Lotus strigosus Ora M. Clark 1929-3-2 1599 Riverside Near Alberhill Comment
  RSA498714  Lotus strigosus Freda Detmers 1931-4-2 s.n. Riverside Colorado Desert. Comment
  UCR16273  Lotus strigosus S. Nelson 1974-5-2 s.n. Riverside San Bernardino Mtns., Banning Canyon 1524 Comment
  UCR251989  Lotus strigosus A. C. Sanders, T. B. Salvato 2014-7-2 41164 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR214281  Lotus strigosus var. tomentellus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37469 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
  RSA406466  Lotus tomentellus M. B. Dunkle 1937-3-25 4960 Riverside Dry Morongo. Comment
  RSA49170  Lotus tomentellus P. A. Munz 1949-4-13 13063 Riverside Cottonwood Springs, west end of Eagle Mountains 1143 Comment
  RSA13884  Lotus unifoliolatus E. C. Jaeger 1921-7-15 s.n. Riverside Massacre Canyon Comment
  UCR120847  Lotus wrangelianus D. E. Bramlet 1993-4-12 2320 Riverside Lake Mathews; 46 m north of Cajalco Rd. at a point 762 m east of La Sierra Ave., NW of Siegal Ranch Road 427 Comment
  UCR138614  Ludwigia peploides subsp. peploides L. C. Wheeler 1961-6-24 s.n. Riverside San Jacinto Mountains, Fulmor Lake Comment
  RSA413641  Lupinus andersonii N. C. Cooper 1944-6-16 1419 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA550275  Lupinus arizonicus Walter Wisura, John Dolan, Michael Wall 1992-3-24 4621 Riverside 5.5 mi NE of Mecca on Box Canyon Rd. Comment
  RSA779202  Lupinus arizonicus Jim Andre 2011-2-9 15940 Riverside Coachella Valley; along Varner Road between Desert Hot Springs and Palm Desert, 2 miles N of I-10 189 Comment
  RSA86945  Lupinus arizonicus F. W. Peirson 1921-4-13 2497 Riverside Deep Canyon, about 12 miles southeast of Palm Springs. 274 Comment
  UCR279541  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-3-29 43182 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  RSA735922  Lupinus bicolor Scott D. White, Jamie Minor 2008-3-13 11770 Riverside San Gorgonio Pass: Banning- S of Union Pacific Railroad, powerline route from Sunset Ave. to 1 mile W. 732 Comment
  SBBG94829  Lupinus bicolor E. LaRue 1990-4-20 Riverside midway between Pauba Valley and Wolf Valley; 0.5 mi N of the Pechanga Indian Reservation 365 Comment
  UCR194236  Lupinus bicolor Mitch Provance, Michael L. Fugate 2005-4-14 10057 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 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
  UCR110938  Lupinus concinnus George K. Helmkamp 1998-6-27 4097 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR177827  Lupinus concinnus 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 1098 Comment
  RSA503811  Lupinus formosus N. C. Cooper 1944-5-20 1313 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  RSA614164  Lupinus hirsutissimus D. L. Banks 1997-2-23 1313 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA757627  Lupinus hirsutissimus LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4327 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SD122396  Lupinus hirsutissimus Duffie Clemons, Jim Dice, Glenn Keator 1988-2-18 1943 Riverside Santa Margarita Ecological Preserve west of Temecula, alongside jeep trail leading into Santa Margarita River Canyon Comment
  POM123543  Lupinus hyacinthinus Philip A. Munz, I. M. Johnston 1924-7-27 8772 Riverside Deer Springs, San Jacinto Mountains. 2500 Comment
  LA205137  Lupinus latifolius var. parishii Elizabeth McClintock; 1936-7-20 sn Riverside Idyllwild, San Jacinto Mts Comment
  RSA087054  Lupinus microcarpus var. densiflorus F. W. Peirson 1929-5-4 8340 Riverside 2 miles north of Aguanga, South of Hemet. 549 Comment
  SEINET7042763 Image available Lupinus nanus W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside South end of Buck Road, Notheast of Long Valley, south southeast of Winchester. Comment
  POM11283  Lupinus polyphyllus var. burkei Philip A. Munz 1922-7-6 5979 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  POM187416  Lupinus polyphyllus var. burkei L. Crutcher 1933-8-22 6 Riverside stream between Tahquitz Valley and Red Tahquitz, San Jacinto Mts. Comment
  RSA562059  Lupinus shockleyi Steve D. Boyd, K. A. Boyd, C. Boyd 1992-4-19 6925 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  UCR178304  Lupinus sparsiflorus T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 927 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  UCR272436  Lupinus sparsiflorus Cheryl Sevilla, Sarah J. De Groot 2015-3-18 040 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, off the Pacific Crest Trail c. 2.2 air miles north of the Whitewater Preserve Ranger Station, hillside east of the Whitewater River drainage 885 Comment
  RSA414277  Lupinus sparsiflorus subsp. sparsiflorus Christopher Davidson 1973-4-19 1992 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  SBBG114131  Lycium andersonii E. Collins 1995-4-9 Riverside Corn Springs Cmpgrd 518 Comment
  UCR108294  Lycium andersonii G. F. Pratt 1997-3-19 s.n. Riverside March Air Force Base, c. l mi. airline SW of Arnold Heights. Wash just south of Van Buren Rd. 213 Comment
  UCR279522  Lycium brevipes A. C. Sanders, Jim Malusa 2017-3-27 43122 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  SEINET270099 Image available Lycium cooperi Bern Shcwen 1994-4-9 Riverside Joshua Tree National Monument ; Little San Bernardino Mountains 'Hidden Gold' Canyon below the Hidden Gold Mine in 3rd canyon on north side Comment
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Aug 25 2013
  RSA191413  Lythrum hyssopifolia E. W. Lathrop, Robert F. Thorne 1967-9-26 6615 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  RSA69830  Machaeranthera asteroides J. C. Roos 1951-10-19 5330 Riverside Gilman Hot Springs 459 Comment
  SEINET2053351 Image available Machaeranthera canescens var. incana Don Domenigoni 1985-9-20 Riverside Hemet, 950 N State Street. Comment
  UCR11337  Machaeranthera tortifolia John M. Spencer 1971-4-16 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument (now J.T.N. Park), 1.5 mi. north of Cottonwood Spring campground Comment
  POM12746  Maianthemum stellatum Philip A. Munz 1922-7-6 6006 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA433321  Malacothamnus fasciculatus J. D. Olmsted 1962-5-10 3614 Riverside L. Matthews Road ca. 1/2 mi. W of dam. 427 Comment
  UCR106341  Malacothamnus fasciculatus John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR40080  Malacothamnus fasciculatus Steve Boyd 1985-7-23 1026 Riverside Peninsular Range, De Luz Road, 9.8 mi. west of Rancho California 244 Comment
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Oct 17 2006
  CAS-BOT-BC345422  Malacothrix clevelandii H. M. Hall 1901-6-1 2087 Riverside San Jacinto Mountains. In the vicinity of Chalk Hill 1524 Comment
  POM362266  Malacothrix clevelandii Anstruther Davidson 1892-05 s.n. Riverside Banning Comment
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Mar 13 2011
  CAS-BOT-BC347681  Malacothrix glabrata C. L. Hitchcock 1940-4-3 5929 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument Comment
  POM6609  Malacothrix glabrata P. A. Munz, L. T. Street, Williams 1919-3-28 2370 Riverside San Gorgonio Pass, near Banning 701 Comment
  RSA33571  Malacothrix glabrata N. C. Cooper 1944-3-25 1021 Riverside Cabazon. 457 Comment
  RSA668342  Malacothrix glabrata C. R. Annable 1995-3-12 2271 Riverside Mecca Hills, Box Canyon Wash. Hwy 195. Comment
  SD160997  Malacothrix glabrata Virginia Moran 2003-3-26 Riverside Peninsular Ranges; Perris-Aguanga Basin region: Wilson Valley Mitigation Bank. Comment
  UCR116621  Malacothrix glabrata A. C. Sanders 2001-4-8 23972 Riverside Western Colorado Desert, Coachella Valley, Garnet, along transmission line route east of Garnet Wash 232 Comment
  UCR227695  Malacothrix glabrata Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-3-30 111 Riverside Colorado Desert; Northeastern Colorado Desert region, Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  RSA94960  Malacothrix stebbinsii F. W. Peirson 1921-3-22 2715 Riverside Murray Canyon, south side in canyon 457 Comment
  CAS-BOT-BC167853  Malosma laurina John Roos; Lucille Roos 1954-7-10 6191 Riverside North side Pigeon Pass, Box Springs Mts. 487 Comment
  POM10230  Malvella leprosa Unspecified 1904-5-7 36 Riverside west Riverside [Rubidoux] Comment
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Sep 5 2011
  RSA771758  Marah macrocarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4635 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SFV7921  Marina parryi T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1284 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  RSA450079  Marsilea vestita J. C. Roos 1965-9-16 s.n. Riverside Lakeview. Comment
  UC810858  Marsilea vestita subsp. vestita P. A. Munz and I. M. Johnston 1922-5-5 5154 Riverside near Moreno (Mystic Lake) 426 Comment
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Dec 31 2011
  RSA736384  Matricaria globifera Scott D. White, Justin M. Wood 2008-5-1 11925 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  UCR21984  Matricaria matricarioides Steve Boyd 1980-4-8 103 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA0028709  Medicago minima Norman C. Cooper 1944-5-6 1214 Riverside Banning. 701 Comment
  RSA593899  Medicago polymorpha Steve D. Boyd, David E. Bramlet 1996-4-19 8608 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  CSUSB1307  Medicago sativa C. M. Flanagan 1971-4-23 Riverside Southeast corner of the UCR campus garden project in the city of Riverside. Comment
  UCR111555  Medicago sativa Mitch Provance 1998-5-4 1715 Riverside Riverside (Rubidoux), Belltown area, 'gravel pits' just south of 26th St. and Hall Ave. 250 Comment
  RSA689490  Melaleuca A. C. Sanders, Dana Klatt 2001-8-14 24592 Riverside UCR campus at University Bldg. S (old Citrus Expt. Sta. Director s residemce area) 351 Comment
  UCR171736  Melasphaerula ramosa O. F. Clarke, A. C. Sanders 2006-4-4 s.n. Riverside Riverside, UCR Botanical Garden 335 Comment
  RSA689452  Melica frutescens Scott D. White, Michael Honer 2003-4-9 8996 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  UCR178316  Melica frutescens T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 624 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR18462  Melica frutescens 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
  UCR51526  Melica frutescens S. J. Myers 1988-2-1 s.n. Riverside Boulder Springs development, immediately SE of intersection of Hwy 60 and Nason St., Moreno Valley 518 Comment
  UCD87744  Melica imperfecta A. A. Beetle 1944-4-27 3007 Riverside West of Murietta. Comment
  UCR168613  Melica imperfecta T. B. Salvato, John F. Green 2004-5-27 579 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
  UCR241495  Melilotus indicus Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 216 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UC195312 Image available Mentha X piperita S. B. Parish 1913-9-20 8608 Riverside railway water works, Mecca Mecca; Salton Sink -57 Comment
  UCR80279  Mentha aquatica L. C. Wheeler 1932-9-4 1316 Riverside Prado Basin, Santa Ana River at Chino Creek 183 Comment
  RSA613647  Mentzelia D. L. Banks, Victor W. Steinmann 1997-3-13 1472 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
  UCR232398  Mentzelia affinis Dave Silverman, Onkar Singh 2010-3-25 7846 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, 220 m east of Black Creek Rd, 6.6 km west of McCoy Wash, and 8.2 km north of I-10 160 Comment
  UC19578  Mentzelia dispersa H. M. Hall 1901-6 2272 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  SBBG24103  Mentzelia involucrata A. I. Richardson 1966-3-28 Riverside above Desert Highland Hot Springs Comment
  SD21517  Mentzelia involucrata Frank F. Gander 1938-5-21 5760 Riverside Shaver's Summit Comment
  UC872535  Mentzelia involucrata Mrs. Joe Clemens 1922-4-10 Riverside Mecca Comment
  POM126251  Mentzelia involucrata var. megalantha Thomas Craig 1927-4-2 25 Riverside Canyon near Hidden Springs. Comment
  RSA4894  Mentzelia involucrata var. megalantha Carl B. Wolf 1932-4-27 3010 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  SD249696  Mentzelia longiloba J. M. Andre 2013-3-27 24811 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  UC489021  Mentzelia montana C. V. Meyer 1929-6-13 752 Riverside San Jacinto Mts., Idyllwild Grade 1371 Comment
  UC367106  Mentzelia tricuspis J. G. Lemmon and wife Apr. 1886 Riverside San Gorgonio, Mohave Comment
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Jul 20 2011
  RSA0120306  Mentzelia veatchiana Duncan S. Bell 2016-4-16 9322 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA515309  Micropus californicus Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau: S of town of Murrieta, S of Mesa de Burro and NW of Mesa de la Punta. 610 Comment
  RSA713571  Microseris douglasii subsp. douglasii R. E. Riefner 2005-4-22 05 -240 Riverside Patton Rd. at Patterson Ave. 452 Comment
  UC1595606  Microseris douglasii subsp. platycarpha Steve Boyd and Orlando Mistretta 1991-5-22 6293 Riverside e of Dorland Mtn. (w of Kolb Crk, base of Agua Tibia Mtn., Vail Lake area); Vail Lake, Agua Tibia Mtn. 548 Comment
  SBBG19544  Mimetanthe pilosa R. Moran 1962-7-7 9859 Riverside Strawberry Crk, 2 mi SW of Idyllwild 472 Comment
  RSA0029100  Mimulus John F. Emmel 1989-3-15 1118 Riverside Bernasconi Hills east of Lake Perris. Slope 0.4 air mi NE of peak 2381. 488 Comment
  POM8576B  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2282 Riverside Butte west of Lakeview. 610 Comment
  RSA525424  Mimulus aurantiacus var. pubescens Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4532 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR233080  Mimulus aurantiacus var. pubescens T. B. Salvato, Richard Camacho 2011-6-12 5493 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  POM8967  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2287 Riverside Butte west of Lakeview. 610 Comment
  RSA444559  Mimulus bigelovii var. bigelovii Walter Wisura 1988-3-13 4204 Riverside Box Canyon. Comment
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Nov 3 2011
  UCR51929  Mimulus bigelovii var. bigelovii Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2162 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  SEINET3079369 Image available Mimulus brevipes Howard Scott Gentry 1947-4-20 7630 Riverside Gentry Farm, 3 miles NE of Murrieta. 396 Comment
  UCR20540  Mimulus brevipes W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1835 Comment
  UCR72436  Mimulus breweri Steve Morgan, H. M. Soldan 1992-5-23 92- 01 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, about 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), 0.2 mi south of Santa Rosa Camp [not Santa Rosa Spring, which is about 0.5 mi further south of 7S02] 2256 Comment
  RSA314472  Mimulus cardinalis Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55382 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA388422  Mimulus cardinalis Robert F. Thorne, S. D. Boyd, Earl Lathrop 1985-7-18 61190 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA38704  Mimulus clevelandii Percy C. Everett 1945-6-7 11505 Riverside Indian Canyon along Indian Canyon Truck Trail 960 Comment
  UCR90353  Mimulus clevelandii D. L. Banks, S. D. Boyd 1995-5-17 460 Riverside Agua Tibia Mountains, NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn, east of the Dripping Springs Alcove area, west of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 659 Comment
  UCR133168  Mimulus diffusus Frank C. Vasek 1978-5-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon, c. 4 miles by road SSE of Valle Vista 671 Comment
  JEPS11072  Mimulus floribundus W. L. Jepson and H. M. Hall 1901-5-19 1300 a Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  UC26929  Mimulus fremontii var. fremontii H. M. Hall June 1901 2049 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  UC472795  Mimulus fremontii var. fremontii M. F. Spencer 1921-7-1 13 Riverside Banning Road from Palm Springs; San Gorgonio Pass Comment
  UCR193119  Mimulus guttatus A. C. Sanders, Tim Thomas 2008-6-20 35551 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR3734  Mimulus guttatus Frank C. Vasek 1964-7-25 640725 11 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  UCSB7464  Mimulus guttatus Wilson, Richard 1958-5-17 Riverside 10 miles SE of Banning; on State 74; San Jacinto Mtns 1158 Comment
  UC489084  Mimulus inodorus C. V. Meyer 1928-7-26 524 Riverside 1/2 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  JOTR32389  Mimulus pilosus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2493 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
  UC1532827  Mimulus pilosus Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47301 Riverside Mesa de Burro Santa Rosa Plateau, Rancho California (along stream way) 609 Comment
  RSA543767  Minuartia douglasii Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6027 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  UCR41540  Mirabilis bigelovii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6056 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  UCR41551  Mirabilis bigelovii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6105 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR4233  Mirabilis bigelovii K. S. Gill 1965-4-17 s.n. Riverside San Bernardino Mtns./ Sonoran (Colorado) Desert, Whitewater Canyon, 4 miles north of Hwy 60 610 Comment
  UCR4473  Mirabilis bigelovii var. retrorsa Frank C. Vasek 1960-3-17 600317- 11 Riverside Sonoran (Colorado) Desert, Morongo Canyon, E side of the road on hill at mouth of canyon, 4.5 mi NW of Desert Hot Springs 579 Comment
  RSA736160  Mirabilis laevis Rosemarie Zimmermann 1961-3-21 24 Riverside Mockingbird Canyon, 1/2 miles S of Mockingbird Road, 5 miles E of Arlington, alt 1400ft. Gavilan Hill (5miles to N), Lake Mathews Drainage 427 Comment
  RSA0027990  Mirabilis laevis var. crassifolia Lydia Paneri 1982-4-17 46 Riverside Hillside north of Cajalco Road, 2 miles east of I-15. Comment
  SEINET3161596  Mirabilis laevis var. retrorsa S. B. Parish 1907-4-24 6073 Riverside western border of the Colorado Desert 360 Comment
  JOTR32475  Mirabilis laevis var. villosa Herskovits, Tasya, M. Harding 2011-5-20 11 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Rocky slopes bordering Ryan Mountain Trail (Stop 2) 1524 Comment
  UC1719519  Mirabilis laevis var. villosa D. Atwood 1993-3-26 17669 a Riverside Santa Ana Mts., 1.5 mi. S. of Lake Elsinore, along Hwy 74. 670 Comment
  JOTR37507  Mohavea confertiflora Hodges, Stephen R. 2016-3-1 633 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  POM4440  Mohavea confertiflora H. M. Hall 1905-4-16 5778 Riverside Canyon near Indio Mt. in the Colorado Desert, Lower Sonoran Zone, 150 Comment
  UCSB6103  Mohavea confertiflora Bobkowski, Vincent 1960-4-2 Riverside Cottonwood Spring entrance to Joshua Tree National Monument; off of U.S. 60-70; 1/2 mile north of intersection Comment
  UC1995357  Monardella australis subsp. australis Elizabeth McClintock 1940-9-2 Riverside Round Valley San Jacinto Mts. Comment
  SBBG71951  Monardella lanceolata S. W. Hutchinson -Sep-1927 464 Riverside Idyllwild 1630 Comment
  LA62738  Monardella linoides subsp. linoides Harlan Lewis; 1941-8-4 sn Riverside San Jacinto Mountains, Fire road E of Keen Maintenance Station Comment
  RSA554328  Monardella nana subsp. arida Steve Morgan 1992-5-25 92 -6 Riverside Santa Rosa Mountains, SE end of San Bernardino National Forest, ca. 17 miles (airline) due S of Cathedral City, on County Road 7D02 (Santa Rosa Truck trail), from 0.5 to ca. 1.5 mi. S of CA Hwy 74. Comment
  RSA750400  Monardella nana subsp. arida Elizabeth McClintock 1940-5-19 9 Riverside 2.25 miles off Pines to Palms Highway, on road to Santa Rosa Mt. Comment
  SDSU7308  Monardella nana subsp. arida H. Wedberg 1962-4-20 912 Riverside About 1 mile SE of Pinyon Flats on raod to Palm Springs. 1219 Comment
  SEINET1910803  Monardella nana subsp. arida E. McClintock, H. Lewis 1941-1 80 Riverside Road up Santa Rosa Mt. 5 1/2 miles beyond canyon where stream crosses road. Comment
  UCR221489  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 078 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 2.3 miles beyond canyon where stream crosses road 2165 Comment
  RSA750419  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-5-31 52 Riverside 5.75 miles from the Anza Monument turn off. Comment
  UCR260872  Monolepis nuttalliana A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-8 41577 Riverside Peninsular Range; Elsinore Trough, City of Lake Elsinore, vacant lot south of intersection of 3rd St. and Pasadena St., west of Birch St., near drainage channel from lake toward Temescal Creek 387 Comment
  RSA26986  Monoptilon bellidiforme C. L. Hitchcock 1940-3-31 5880 Riverside 0.5 mile below Cottonwood Springs Comment
  CAS-BOT-BC349784  Monoptilon bellioides Faulkner 1978-3-21 334 Riverside 9 miles N. of Blythe on Hwy 95 152 Comment
  POM363586  Monoptilon bellioides E. C. Jaeger 1922-4-2 s.n. Riverside Box Canon near Mecca Comment
  RSA0123369  Monoptilon bellioides Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9035 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA444320  Monoptilon bellioides Walter Wisura 1988-3-1 4189 Riverside 2.5 mi fr. I 10 along Box Canyon Rd. toward Mecca Comment
  RSA778246  Monoptilon bellioides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 932 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR114120  Monoptilon bellioides B. G. Pitzer, J. Ross 1998-3-8 3619 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UC852064  Montia fontana P. A. Munz 1922-5-21 5521 Riverside San Jacinto Mountains, Hemet Valley Hemet Valley; San Jacinto Mountains, Hemet Valley 1386 Comment
  UCR2778  Muhlenbergia asperifolia F. M. Reed 1907-9-21 1951 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside. Spring Brook in Pellisier's horse pasture 250 Comment
  HSC8122  Muhlenbergia microsperma E. C. Jaeger 1922-4-1 787 Riverside Box Canyon, near Mecca. Colorado Desert Region. Comment
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Jul 9 2010
  SEINET13310630  Muhlenbergia porteri A. C. Sanders 2015-9-11 41869 Riverside Sonoran (Colorado) Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of GAsline Rd. 646 Comment
  UCR264227  Muhlenbergia porteri A. C. Sanders 2015-9-11 41869 Riverside Sonoran (Colorado) Desert, Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  RSA674932  Muilla maritima Scott D. White, Tasha LaDoux 2000-4-23 7719 Riverside Perris/San Jacinto Basin: Winchester/Hemet area. Unnamed hills just S of Lakeview Mts. South of Hwy 74 and E of Hwy 79. 473 Comment
  UCR113548  Myoporum laetum Mitch Provance 1998-6-6 690 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  RSA67110  Myosurus minimus subsp. apus F. W. Peirson 1922-5-19 4171 Riverside Menifee Valley Comment
  UC217987  Myosurus minimus subsp. apus P. A. Munz and I. M. Johnston 1922-5-19 5379 Riverside Menifee Valley 411 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
  SBBG270  Myriopteris parryi H. and M. Dearing 1936-12-26 2931 Riverside wash near bottom of Palms and Pines Hwy Comment
  SBBG65092  Nama demissa M. N. Ackley -Feb-1926 Riverside near Edom 64 Comment
  JEPS1372  Nama demissa var. demissa L. M. Newlon 1922-4-3 447 Riverside Andreas Canyon Mt. San Jacinto, Andreas Canyon (Mt. San Jacinto, Southern California) Comment
  RSA80982  Nama demissa var. deserti G. R. Campbell 1952-4-15 18368 Riverside Road leading from Hwy 60 to 29 Palms, at jct to Desert Hot Springs. 762 Comment
  RSA45513  Nama hispida var. spathulata J. C. Roos 1949-4-9 4203 Riverside 3 mi. N.E. of Desert Center. Comment
  RSA4920  Nama hispida var. spathulata Carl B. Wolf 1932-4-28 3082 Riverside 19 mi. W. of Blythe on the Mecca rd. 122 Comment
  RSA779007  Nama hispida var. spathulata Duncan S. Bell 2010-4-1 641 Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  UCR217638  Nama stenocarpa Jeff B. Galvin 2010-5-4 124 Riverside Perris-Aguanga Basin, Mystic Lake. 350 m west of Gilman Springs Road and 1.8 km north of Bridge Street 426 Comment
  RSA736378  Navarretia atractyloides Scott D. White, Justin M. Wood 2008-5-1 11919 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  RSA543870  Navarretia fossalis Steve Boyd, Dave Bramlet 1991-5-13 6229 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  RSA17255  Navarretia hamata C. B. Wolf 1936-6-17 7958 Riverside Santa Ana Mountains, Tenaja Road: road to La Cienaga, 1.4 mile off Ortega Highway. 610 Comment
  UCR279583  Nemacladus A. C. Sanders, Jim Malusa 2017-3-28 43147 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
  UCR18162  Nemacladus glanduliferus A. C. Sanders 1978-3-19 00255 Riverside Santa Rosa Mtns/Colorado Desert, Deep Canyon Reserve, along the Worley Trail just above the Research Center 427 Comment
  UCR282171  Nemacladus glanduliferus A. C. Sanders, Amy Litt, Plant Taxonomy Class 2017-4-8 43204 Riverside Sonoran (Colorado) Desert, near Cactus City Compressor Station, off frontage road south of I-10 and west of Chiriaco Summit 416 Comment
  POM4574  Nemacladus longiflorus var. longiflorus S. B. Parish 1917-6-11 11304 Riverside Santa Ana River. Comment
  RSA586311  Nemacladus longiflorus var. longiflorus D. L. Banks, S. D. Boyd 1995-5-3 0222 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
  SEINET13681943  Nemacladus rubescens Tina Ayers, Randy Scott 2017-3-19 1921 Riverside Chuckwalla Mountains, ca 8 miles west of Chuckwalla Valley Road on Dupont Road, roadside at edge of wilderness area 152 Comment
  SEINET10939180  Nemacladus rubescens Raven 1958-1-24 Raven 11449 Riverside Fargo Canyon Comment
  JOTR35435  Nemacladus sigmoideus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 41 Riverside Joshua Tree National Park. Little San Bernardino Mtns; upper reaches of Fan Canyon W of Juniper Flats Comment
  JOTR36433  Nemacladus tenuis var. aliformis La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3404 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
  UCR127498  Nemacladus tenuis var. tenuis A. C. Sanders, G. Nuhn 1995-4-20 16586 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  UCR113165  Nemophila menziesii A. C. Sanders 1998-3-11 21683 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
  UCR236902  Nemophila menziesii var. integrifolia Duncan S. Bell, Valentin Arvizu 2010-5-10 977 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.1 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1349 Comment
  UCR115348  Nerium oleander A. C. Sanders 2000-12-17 23729 Riverside San Bernardino Valley/ upper Santa Ana River region, Corona, SW side of I-15, between Taber and Ontario Streets 277 Comment
  UCR101558  Nicotiana acuminata var. multiflora A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22232 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Hathaway Creek Canyon 838 Comment
  RSA282918  Nicotiana attenuata C. W. Tilforth, B. Busenberg 1980-6-17 2004 Riverside 0.1 mi. in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet. Comment
  CSUSB769  Nicotiana bigelovii Charles Herrick 1974-5-11 Riverside 1/4 mile southeast of Calimesa turnoff of freeway 10. 716 Comment
  UC2015579  Nicotiana clevelandii A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16184 Riverside Coachella Valley: Willow Hole, 4 miles south of Desert Hot Springs. Comment
  RSA589081  Nicotiana glauca D. L. Banks, Steve D. Boyd 1995-10-17 792 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground. Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  JOTR16862  Nicotiana obtusifolia Vanderspek & Youse 1964-4-17 64510 Riverside Joshua Tree National Park. 883 Comment
  SBBG29374  Nicotiana obtusifolia D. Myrick 1968-3-3 1797 Riverside Box Cyn E of Mecca 365 Comment
  UC1922494  Nicotiana obtusifolia Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10890 Riverside Sonoran Desert: Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. Comment
  UCD126756  Nicotiana obtusifolia Collector Unknown 1928-7-30 s.n. Riverside farm of McHall, Cottonwood. Comment
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Feb 9 2013
  UCSB12884  Nicotiana obtusifolia Breedlove, Dennis 1962-3-11 Riverside 3 miles southwest of Palm Desert 426 Comment
  CAS-BOT-BC131880  Nolina parryi Peter H. Raven 1958-5-18 13002 Riverside Just below [Pinon] Pinyon Flats on State Highway 74, San Jacinto Mountains Comment
  LA205784  Nolina parryi Tom O'Donnell; 1953-5-24 sn Riverside San Jacinto Mountains, Pinon Flats, Hwy 74 Comment
  RSA78248  Nolina parryi Philip A. Munz, E. K. Balls 1952-8-21 17961 Riverside Hamilton Creek, SE part of San Jacinto Mountains. 1372 Comment
  SBBG58714  Nolina parryi R. Hoffmann 1929-9-11 Riverside Hamilton Grade Comment
  POM9934  Notholaena californica subsp. californica F. W. Peirson 1920-2-15 s.n. Riverside Palm Springs, Tahquitz Camp. Comment
  RSA752092  Oenothera alyssoides Mary Edmunds 1932-3-26 33 Riverside Mc Intyre Ranch-Oasis Coachella Valley. Comment
  UC63396  Oenothera californica subsp. californica H. M. Hall 1904-5-20 4952 Riverside along S.P.R.R. vicinity of Riverside 262 Comment
  SBBG35562  Oenothera deltoides D. Myrick 1966-4-2 1344 Riverside Hwy 74 ca. 5 mi W of Palm Desert Comment
  SD39503  Oenothera deltoides Edith A. Purer 1935-4-21 6490 Riverside Colorado Desert, near Palm Springs. Comment
  UCD106860  Oenothera deltoides John Wear 1995-3-23 s.n. Riverside Colorado Desert: Blythe. Comment
  SEINET5345713  Oenothera deltoides var. deltoides H. M. Hall 1904-5-20 4952 Riverside Viciniity of Riverside, along S.P.R.R. 262 Comment
  RSA698252  Oenothera scapoidea J. R. Bruff 1932-3-13 s.n. Riverside Between Palm Springs and P. Canyon. Comment
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Aug 27 2011
  UCR133660  Olea europaea 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
  HSC87167  Oligomeris linifolia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2128 Riverside N end Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  RSA784726  Oligomeris linifolia Duncan S. Bell 2012-3-18 3213 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  POM348468  Olneya tesota Lester H. Cushman 1932-3-21 15130 Riverside 1 miles East of Mecca Colorado Desert Comment
  RSA444475  Olneya tesota J. C. Roos 1965-12-4 s.n. Riverside 2 miles SE of Desert Center. 366 Comment
  SD48500  Olneya tesota P. C. Everett, E. K. Balls 1958-5-7 23116 Riverside Highway 195, Mecca to Blythe, entrance to Box Canyon. 198 Comment
  UC165053  Olneya tesota S. B. Parish 1912-6-28 8123 Riverside Mecca; Salton Basin Comment
  RSA689383  Oncosiphon piluliferum Scott D. White, Michael Honer 2003-6-17 9551 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  UC1713499  Opuntia unknown 1905-5-25 Riverside Wilder Canyon Comment
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Nov 22 2011
  UCR68159  Opuntia littoralis B. D. Parfitt, R. Anthony, A. C. Sanders 1986-4-19 3498 Riverside Santa Ana Mtns., Santa Rosa Plateau, SSE of Lake Elsinore, Mesa de Colorado, opposite side of road from a large vernal pool protected by the Nature Conservancy. 549 Comment
  POM285351  Opuntia phaeacantha Lyman Benson 1955-12-6 15622 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  RSA6210  Opuntia polyacantha var. erinacea B. D. Stark 1932-09 4374 Riverside East slope of San Jacinto Mountains on the Palms to Pines road. 1524 Comment
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Dec 11 2011
  UCR75963  Orcuttia californica D. E. Bramlet 1992-4-29 2253 Riverside Peninsular Range; Perris-Aguanga Basin Region, 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
  UCR80290  Orcuttia californica P. A. Munz, I. M. Johnston 1922-5-19 5375 Riverside Menifee Valley 427 Comment
  SEINET13948674 Image available Origanum vulgare A. C. Sanders 2002-1 25068 Riverside San Bernardino/Santa Ana River Valley Region: Riverside cultivated plants in yard at 422 Campus View Dr. Riverside East 7.5' Q.: 33 deg. 58.5' N, 117 deg. 19' W. T2S R4W SEC 20, S/2. Alt 341 m/1120 ft. 341 Comment
  JEPS85942  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4522 Riverside ca 16 mi ne Desert Center (along Rice Rd) Comment
  SBBG7247  Orobanche cooperi H. and M. Dearing 1937-4-10 1121 Riverside 10 mi N of Indio Comment
  UC27883  Orobanche fasciculata H. M. Hall June 1901 2154 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert. Comment
  RSA612963  Orthocarpus purpurascens var. purpurascens D. L. Banks 1997-3-29 1632 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  SD138457  Osmorhiza brachypoda Darin L. Banks, Steve Boyd 1995-3-30 113 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, west of Dripping Springs, east of Woodchuck Trail 719 Comment
  UC1929717  Oxalis californica Scott D. White 2003-3-21 8825 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
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May 28 2018
  CSUSB847  Oxalis corniculata Deborah Sullivan 1973-7-9 Riverside Glen Avon, Riverside. 243 Comment
  POM353421  Oxalis wrightii E. Crow 1929-4-21 346 Riverside North of Alberhill Comment
  RSA392900  Oxytheca emarginata Anstruther Davidson 1921-9-1 s.n. Riverside Mt. Tahquitz Comment
  UC64505  Oxytheca trilobata H. M. Hall June 1901 2082 Riverside vicinity Chalk Hill; San Jacinto Mountains 1402 Comment
  UC1287050  Paeonia californica C. L. Hitchcock 1966-3-15 24165 Riverside about 10 mi ne Temecula Comment
  UCR102816  Paeonia californica A. C. Sanders 1997-3-19 20059 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  UCR176269  Paeonia californica Teresa Nieto 2005-4-14 04 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
  UCR35093  Paeonia californica L. B. Ziegler 1967-2-20 110 Riverside San Jacinto Mtns., Red Mountain Road off Hwy 79 762 Comment
  UCR178577  Palafoxia arida R. G. Swinney 1967-2-11 0034 Riverside San Jacinto Mtns./ Sonoran (Colorado) Desert, Snow Creek 366 Comment
  JEPS20307  Palafoxia arida var. arida Lewis S. Rose 1957-1-3 57009 Riverside La Quinta 15 Comment
  RSA772528  Palafoxia arida var. arida Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4434 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UC35598  Palafoxia arida var. arida S. B. Parish Apr 4 1896-Apr 13 1896 4121 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of mountain) 152 Comment
  UCSB9920  Palafoxia arida var. arida Ullman, Sydney 1956-4-14 Riverside In town of Whitewater Comment
  VVC1457  Palafoxia arida var. arida A. C. Sanders 1996-11-23 19655 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
  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
  UCR24014  Panicum alatum var. minus John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, 18 mi. west of Blythe 122 Comment
  SBBG89156  Panicum capillare A. C. Sanders 1986-5-20 6499 Riverside across from street from 1012 Spruce St., Riverside 304 Comment
  CAS-BOT-BC253897  Panicum urvilleanum S. C. Spencer 1999-7-1 DEC- 831 -1 Riverside San Jacinto Valley: bottom of San Jacinto River channel, about 100 m N of Main Street 488 Comment
  CLARK-A1045-224  Panicum urvilleanum George K. Helmkamp 1978-4-1 Riverside Coachella Valley .5 miles south of Interstate highway 10; sandy slope along Bob Hope Drive; Cathedral City 7.5'Q Comment
  CLARK-A1528-689  Papaver californicum Grace Sprague 1968-5-3 Riverside Twin Pines Comment
  RSA651305  Parietaria hespera var. hespera W. M. Zabriskie 1973-2-21 124 Riverside Pipistrelle Canyon, Deep Canyon drainage, N slope Santa Rosa Mtns. (T6S, R6E, SE 1/4 Sec 20) 427 Comment
  SEINET8044077 Image available Parietaria hespera var. hespera A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-1 41551 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns.: opposite So. Cal. Edison Ivy Glen Substation, Temescal Valley at mouth of Mayhew Canyon, west of the I-15 crossing of Temescal Canyon Rd., north of massive minng operation, 0.6 km SE (101 degrees) of Temescal Fire Station. 329 Comment
  HSC14622  Parkinsonia florida J. J. Wagoner 1965-4-13 34 Riverside E slope of San Jacinto along Palms to Pines Hwy., 2 mi. W of Palm Desert. 76 Comment
  SBBG27736  Parkinsonia florida D. Myrick 1964-4-30 815 Riverside Pines to Palms Hwy 74, 2 mi W of Palm Desert 121 Comment
  UCR25860  Parkinsonia florida John C. Roos 1937-4-28 794 Riverside Sonoran (Colorado) Desert, Desert Center 274 Comment
  UCSB17561  Parkinsonia florida Perkins, Carlin 1963-4-5 Riverside 12.7 mi. south east of Pinyon Flats Campground on California Highway 74 304 Comment
  RSA698049  Parosela mollis J. Russell Bruff 1929-12-28 448 Riverside 1 mi. S.E of Dos Palmas. Comment
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Apr 28 2011
  RSA0104080  Pectis papposa Duncan S. Bell, Evan Meyer 2014-10-28 7664 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  JOTR38523  Pectis papposa var. papposa Harding, Mitzi, Kipp Callahan 2012-8-27 292 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  RSA107432  Pectocarya heterocarpa L. S. Rose 1955-3-14 55022 Riverside La Quinta. 15 Comment
  SEINET3347427 Image available Pectocarya heterocarpa Jim Andre, T. La Doux 2009-2-25 10834 Riverside Sonoran (Colorado) Desert; Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  UCR167378  Pectocarya heterocarpa 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
  UCR272257  Pectocarya heterocarpa Duncan S. Bell, Thomas R. Stoughton 2010-3-19 578 Riverside Mojave Desert, west side of the Arica Mountains, within the Palen/McCoy Wilderness area, c. 2.5 air miles west of Priest Well 418 Comment
  RSA736032  Pectocarya linearis Scott D. White, Jamie Minor 2008-3-13 11767 Riverside Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  UCR174944  Pectocarya linearis Jennifer H. Jones, Toby Bartels 2006-4-23 280 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  RSA359524  Pectocarya linearis subsp. ferocula Steve Boyd 1986-3-9 1385 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  RSA757735  Pectocarya linearis subsp. ferocula LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4312 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SDSU13374  Pectocarya linearis subsp. ferocula Tarja Sagar, Michael G. Simpson & Taxonomy of CA Plants Class 2000-4-2 14 Riverside Santa Margarita Ecological Reserve (SDSU). 200 m west from the Northside Field Station. 366 Comment
  PASA1955  Pectocarya penicillata 1928-3-3 Riverside near Whitewater - Col. desert Comment
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Jun 24 2016
  RSA495816  Pectocarya penicillata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2926 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA740833  Pectocarya penicillata Scott D. White, Justin M. Wood 2008-7-8 12393 Riverside Johnson Meadow. 1439 Comment
  SEINET3105400  Pectocarya penicillata Sears 1978-3-16 826 Riverside 2.5 mi. NW of Midland. In wash area beyond gap between Little Maria and Big Maria Mts. Comment
  UC1114562  Pectocarya penicillata Peter H. Raven 1958-3-15 11838 Riverside Box Canyon Comment
  UCR174385  Pectocarya penicillata A. C. Sanders 2006-5-19 32416 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  OBI38358  Pectocarya peninsularis A. C. Sanders, B. Pitzer, & D. Charlton, D. Charlton 1986-3-1 6017 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
  RSA597412  Pectocarya platycarpa L. C. Wheeler 1970-4-5 s.n. Riverside West of Desert Hot Springs, by old road to 29 Palms. Comment
  UCR85242  Pectocarya platycarpa A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, C. L. Sanders 1995-3-5 15995 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  RSA524459  Pectocarya recurvata Steve Boyd 1990-4-3 4062 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  UCR190496  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  RSA686754  Pellaea andromedifolia Anonymous s.n. Riverside Elsinore Comment
  RSA33822  Pellaea mucronata var. mucronata Norman C. Cooper 1944-3-25 1031 Riverside Cabazon 457 Comment
  UCR243511  Pellaea mucronata var. mucronata Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21084 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  UC454143  Penstemon X parishii I. J. Condit 1910-6-24 Riverside road to Idyllwild lower foot hills San Jacinto Mts. (lower foot hills San Jacinto Mts.) Comment
  CHSC1849  Penstemon antirrhinoides E. Thomas 1940-3-10 Riverside San Jacinto Foothills. Comment
  RSA412457  Penstemon centranthifolius C. Epling, Wm. Robison 1935-6-30 s.n. Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  RSA507962  Penstemon centranthifolius Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2280 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA97020  Penstemon centranthifolius R. M. Straw 1953-6-4 445 Riverside Head of Palm Canyon, Palms to Pines Hwy. Comment
  LA35151  Penstemon clevelandii Mary V. Hood; 1939-12-30 39- 159 -k* Riverside Santa Rosa Mountains, Pines to Palms Hwy 1127 Comment
  POM4279  Penstemon grinnellii H. M. Hall 1901-07 2548 Riverside Fuller's Mills Mountain. 2134 Comment
  SD186344  Penstemon grinnellii T. B. Salvato, John F. Green 2004-5-27 574 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 1341 Comment
  RSA402131  Penstemon labrosus N. C. Cooper 1944-7-15 1588 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 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
  RSA401808  Penstemon spectabilis N. C. Cooper 1949-6-29 4308 Riverside West of Pinyon Flat, San Jacinto Mountains 1524 Comment
  RSA733710  Penstemon spectabilis R. H. McArthur 1934-5-6 s.n. Riverside East end Ortega Highway. Roadside. Comment
  JEPS26107  Penstemon spectabilis var. spectabilis Peter H. Raven 1958-5-17 12952 Riverside on road to Idyllwild 7.4 mi se Banning (San Jacinto Mountains); , se of Banning rd to Idyllwild Comment
  UCR193899  Pentachaeta aurea A. C. Sanders, Mitch Provance 2008-7-11 35782 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UCR193914  Pentachaeta aurea A. C. Sanders, Mitch Provance 2008-7-11 35761 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  RSA802099  Pentachaeta aurea subsp. aurea Duncan S. Bell, Caitlin Elam 2013-5-21 4970 Riverside In Dry Creek below Strawberry Valley to the north of Chalk Hill and about 1.25 air miles south of Idyllwild. 1547 Comment
  RSA0045198  Pentagramma maxonii E. C. Jaeger 1922-3-25 748 Riverside Murray Canyon, near Palm Springs. 304 Comment
  JEPS60101  Pentagramma triangularis subsp. triangularis W. L. Jepson 1939-4-17 19136 Riverside near Twin Springs (n end Temescal Canyon); Temescal Canyon 274 Comment
  SFV15587  Peritoma arborea K. C. Molina, K. L. Garrett, R. McKernan 1992-3-20 22 Riverside 3.5 km southwest of Whitewater River, Snow Creek. Along edge of road. 500 Comment
  UCSB3807  Peritoma arborea Bobkowski, Jr., Vincent 1960-4-2 Riverside South entrance to Joshua Tree National Monument, Cottonwood Spring entrance, 1/2 mile North of U.S. 60-70 Comment
  CAS-BOT-BC355997  Perityle emoryi Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  RSA747729  Perityle emoryi Scott D. White, Justin M. Wood 2009-3-24 12563 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  UCR214159  Perityle emoryi T. B. Salvato 2010-4-20 4057 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCD117303  Petalonyx thurberi Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  UCR72192  Petalonyx thurberi Theo Glenn 1991-5-2 91- 127 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  POM178398  Peucephyllum schottii Marcus E. Jones 1930-4-1 25939 Riverside Shaver's Well Comment
  RSA0118001  Peucephyllum schottii Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7627 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA747718  Peucephyllum schottii Justin M. Wood 2009-3-26 399 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  SBBG27018  Peucephyllum schottii K. K. Muller 1967-3-21 1384 Riverside foothills of Orocopia Mtns, directly opposite S entrance of Joshua Tree Nat Monument Comment
  UC68953  Peucephyllum schottii H. M. Hall Apr. 1905 5849 Riverside near Dos Palmas; Colorado Desert 0 Comment
  RSA776236  Phacelia Duncan S. Bell 2010-3-20 606 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  POM18746  Phacelia brachyloba P. A. Munz 1923-6-14 7055 Riverside Glen Ivy Trail to Santiago Peak 1067 Comment
  RSA525262  Phacelia brachyloba Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4575 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  RSA757454  Phacelia brachyloba Robert F. Thorne, Walter Wisura, Dave Mitchener 1982-1 55187 Riverside Cleveland National Forest, along Main Divide Truck Road 915 Comment
  POM13319  Phacelia campanularia E. C. Jaeger 1920-04 1083 Riverside Old Santa Rosa, colorado Desert Comment
  RSA666588  Phacelia ciliata A. C. Sanders, Sue Nash, Tom Paulek 2002-4-7 24902 Riverside San Jacinto Wildlife Area, west side of Davis Rd., just north of the old San Jacinto River channel (levee), 2.25mi. N of Lakeview. 434 Comment
  CSUSB137  Phacelia crenulata R. A. Clark 1966-3-5 3566 6 Riverside 5 miles east of Mecca, Ca., on State Highway 195, on man-made dike. -57 Comment
  SD181482  Phacelia crenulata J. Mark Porter, Valerie Soza, G. Wallace 2001-4-2 12344 Riverside Coachella Valley, ca. 1 mile east of Desert Hot Springs, Long Canyon, on west side of Long Canyon Road. Openings of fine gravel or coarse sandy soils, just above the wash in Long Canyon. 395 Comment
  UCR139101  Phacelia crenulata B. G. Pitzer 1989-4-16 1291 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range. Just outside Impact Area, 1 km south of Tabaseca Tank 700 Comment
  RSA777392  Phacelia crenulata var. ambigua Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 792 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  SEINET3091710 Image available Phacelia crenulata var. ambigua G. Helmkamp, E. Helmkamp 1998-1-17 2541 Riverside Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal. 0 Comment
  UCR245953  Phacelia crenulata var. minutiflora Duncan S. Bell 2009-3-7 18 Riverside Arica Mountains, ridgeline of range just north of the summit along the border of the Palen/McCoy Wilderness Area 614 Comment
  UCR169392  Phacelia curvipes T. B. Salvato, John F. Green 2004-5-27 595 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  CAS-BOT-BC133970  Phacelia distans Geo. B. Grant 1906-4-20 6775 Riverside Palm Springs Comment
  POM199146  Phacelia distans Donald A. Johansen, Joseph A. Ewan 1932-4-11 7067 Riverside Mouth of Tahquitz Canyon. Comment
  RSA428227  Phacelia distans E. A. Purer 1933-3-25 17206 Riverside Palm Springs. Comment
  RSA700024  Phacelia distans Scott D. White, Michael Honer 2003-4-25 9101 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UC1069257  Phacelia distans H. S. Yates 1937-3-23 6437 Riverside 15 mi nne Mecca; Thermal Quadrangle Comment
  UCD120430  Phacelia distans William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR103915  Phacelia distans B. G. Pitzer 1997-4-11 3106 Riverside Lakeview Mtns, spur off Pulsar View Road leading to utility tower, c. 1 mi by road from the base of the hills. c. 3/4 mi (air) SW of Mt. Rudolph. 604 Comment
  UCR893  Phacelia distans Frances Miller 1964-5-5 M 6426 Riverside Box Springs Mountains, end of Goodrich Drive, beside stables 366 Comment
  POM229428  Phacelia lemmonii P. A. Munz 1937-5-29 15101 Riverside Edge of Pinyon Flat, Santa Rosa Mts. 1220 Comment
  RSA0106452  Phacelia minor Daphne K. Christopher, Hannah Stevens 2003-4-4 87 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  RSA428081  Phacelia minor Mark Morris 1929-3-17 14904 Riverside Palm Canyon. Comment
  RSA428097  Phacelia minor M. B. Dunkle 1935-3-10 4358 Riverside Abernathy [Temescal Canyon area] 244 Comment
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May 15 2012
  SEINET3119619 Image available Phacelia minor Philip A. Munz 1940-3-22 15655 Riverside Whitewater Canyon, 2 miles north of Banning-Indio boulevard Comment
  UCR155946  Phacelia minor T. B. Salvato, Kent Beaman 2005-5-16 818 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
  RSA480078  Phacelia neglecta Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin 1988-3-10 2163 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  CAS-BOT-BC145000  Phacelia ramosissima var. latifolia Peter H. Raven; R. Snow 1957-7-26 11090 Riverside Banning-Idyllwild road 0.9 mi. n. of Vista Grande Ranger Station, San Jacinto Mts. Comment
  POM9581  Phacelia stellaris I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road. [Wineville = Mira Loma] Comment
  UCSB5434  Phacelia tanacetifolia Krogen, Roger 1957-1 Riverside 4 mi. S of junction of Hwy. 60-70 at N edge of Orocopia Mts. Comment
  CLARK-A1045-177  Phalaris caroliniana George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  UCR91871  Phalaris minor A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18044 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  RSA467439  Phleum alpinum M. B. Dunkle 1933-7-22 3746 Riverside Tahquitz Valley. San Jacinto Mountains. 2317 Comment
  UCR133954  Pholistoma membranaceum Mitch Provance, J. S. Ross 1998-3-27 MOR- 961 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  CAS-BOT-BC135113  Phoradendron californicum Peter H. Raven 1958-1-23 11418 Riverside in desert wash 7.8 miles N of United States Highway 99 on road to Morongo Valley Comment
  HSC15912  Phoradendron californicum L. S. Rose 1966-12-11 66093 Riverside Palm Springs 152 Comment
  SEINET3163356  Phoradendron californicum L. S. Rose 1935-12-19 35667 Riverside Palm Springs. Colorado Desert 138 Comment
  POM214537  Phragmites australis Joseph A. Ewan 1932-4-8 7044 Riverside Seven Palms near Garnet Comment
  CHSC64188  Physalis crassifolia Chris Dietrich; M. Merello, H. Schmidt 1994-4-12 21 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along wash. 380 Comment
  POM60071  Physalis crassifolia S. B. Parish 1912-10-23 8325 Riverside Foothill Chuckawalla Mts., near Mecca. Comment
  RSA372140  Physalis crassifolia David B. Dunn, H. Brown, E. McClintock 1947-3-16 2884 Riverside Pushawalla Canyon Biota. Indio Hills. Comment
  UCR31807  Physalis crassifolia Steve Boyd 1982-3-11 s.n. Riverside Brown Canyon, Brown Canyon 7 miles SE of Hemet 701 Comment
  UCR41331  Physalis crassifolia N. M. Fellows, A. C. Sanders 1985-5-7 170 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  UC219194  Pilularia americana P. A. Munz 1922-4-29 5087 Riverside 1/2 mi s Lake Elsinore Comment
  CAS-BOT-BC78597  Pinus flexilis Winifern W. Swarth 1914-9-10 s.n. Riverside Divide west of Tahquitz Valley, San Jacinto Mts. 2438 Comment
  UC1612275  Pinus lambertiana H. M. Hall 2319 Riverside Tauquitz Peak San Jacinto Mts., Tauquitz Peak Comment
  UCR19619  Pinus lambertiana B. Freeman 1969-3-23 690323- 2 Riverside San Jacinto Mtns., James Reserve. north of Indian Creek, 20-30 m from bridge. 1646 Comment
  UCR46610  Pinus monophylla Dennis E. Kucera 1987-2-16 s.n. Riverside SE Mojave Desert, Coxcomb Mtns, near VABM Aqua, N end of range 1280 Comment
  UCD134979  Pinus quadrifolia Jo Ann Olson; Gary R. Robbins 1969-3-29 21 Riverside On Vandeventer Flat, 2 miles south of State Highway 74 and 21 miles (by car) west of Palm Desert. 1447 Comment
  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
  UCR172247  Plagiobothrys acanthocarpus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  RSA699815  Plagiobothrys canescens Scott D. White, Michael Honer 2003-4-4 8944 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  SD237377  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-4-1 38953 Riverside Peninsular Range: Lake Elsinore, old house site on hill top along Baker St, below large water tank on hill, 0.83 km NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall/Collier Ave;, above Temescal wash (Lake Elsinore 7.5'Q) 402 Comment
  UCR174366  Plagiobothrys canescens A. C. Sanders 2006-5-19 32407 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR228742  Plagiobothrys canescens A. C. Sanders, Nathan Moorhatch 2011-3-22 38798 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  UCD120788  Plagiobothrys collinus A. C. Sanders; Carolyn Washburn 2001-5-10 24232 Riverside Perris-Aguanga Basin: 1 mi. S of Winchester on the east side of Hwy 79 (Winchester Rd.) just S of Patton Ave. 488 Comment
  RSA674550  Plagiobothrys collinus var. californicus Scott D. White 2000-5-1 7751 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  SD247372  Plagiobothrys collinus var. fulvescens A. C. Sanders, Sandra L. Leatherman and Jeff Crain 2015-4-6 41568 Riverside Peninsular Range: Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15. 370 Comment
  VVC2448  Plagiobothrys jonesii Tim Thomas 2013-3-18 5940 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  SD140150  Plagiobothrys leptocladus A. C. Sanders 1993-4-5 13698 Riverside Western edge of Hemet, along south side of Devonshire Avenue betwee Old Warren and Earren Roads, southwest of Tres Cerritos and N of Florida 459 Comment
  RSA286790  Plagiobothrys undulatus R. F. Thorne 1974-5-23 44681 Riverside Santa Rosa Plateau, Rancho California; grassland area E of Redonda Mesa 610 Comment
  SD262337  Plantago elongata Mitch Provance, Jeremiah George 2017-3-23 317 64 Riverside Elsinore Trough: Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. (Lake Elisonore 7.5'Q) 676 Comment
  UCR102879  Plantago erecta A. C. Sanders 1997-3-26 20129 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR113044  Plantago erecta Mitch Provance 1998-3-31 304 Riverside Jurupa Mountains, SE Pyrite Canyon, c. .3 km NW of the quarries. 366 Comment
  UCR260560  Plantago erecta T. B. Salvato 2015-4-2 8105 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 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
  RSA412580  Plantago major H. de Forest, Jack Rempel 1933-10-29 18684 Riverside Snow Creek Canyon. 549 Comment
  UC888393  Plantago ovata Carl B. Wolf 1932-4-27 Riverside 5 mi e Desert Center (n base of Chuckwalla Mts.); Colorado Desert, Chuckwalla Mts. 152 Comment
  UCR60796  Plantago ovata Steve Boyd, Orlando Mistretta 1986-3-13 1432 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  RSA402029A  Plantago ovata var. fastigiata E. S. Spalding 1913-03 14821 Riverside E. of Banning. Comment
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Nov 29 2011
  SBBG25878  Plantago ovata var. fastigiata E. R. Blakley 1966-4-9 6750 Riverside jct of US Hwy 60-70 and Wiley Well Rd, ca. 15 mi W of Blythe 121 Comment
  SBBG54764  Plantago ovata var. fastigiata J. Carter 1970-3-24 81 Riverside Palm Springs, Chino Cyn, 2 mi off Hwy 111 457 Comment
  UCR103281  Plantago patagonica B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3589 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR24901  Platanthera dilatata var. leucostachys A. C. Sanders 1980-7-22 1716 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  POM48484  Platanus racemosa P. A. Munz, I. M. Johnston 1924-7-29 8889 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  RSA588170  Platanus racemosa D. L. Banks, Victor W. Steinmann 1995-7-10 748 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  SBBG99836  Platanus racemosa W. L. Halvorson 1977-4-1 77 -215 Riverside 5 mi S of Temecula on Hwy S16 Comment
  CSUSB1044  Platystemon californicus Ronald H. Sauer 1965-4-28 Riverside Box Springs Mountains Box Springs Mountains. 4.2 miles from beginning of dirt road to radio towers. 487 Comment
  RSA775810  Platystemon californicus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 890 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UCR162282  Platystemon californicus S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR27198  Platystemon californicus Marlyce Myers 1980-4-20 s.n. Riverside Perris Basin, Motte Reserve, c. 2.5 mi. NW of Perris 520 Comment
  JOTR31962  Pleuraphis rigida La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2199 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  RSA575737  Pleuraphis rigida S. J. Darbyshire, J. Cayouette 1994-9-17 4635 Riverside Chuckwalla Valley 30 mile E [of] Desert Center, Highway 10 rest area. 90 Comment
  RSA690982  Pleuraphis rigida Scott D. White, Michael Honer 2003-5-14 9306 -A Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (='Superior') Gypsum Mine. 76 Comment
  RSA675689  Pleurocoronis pluriseta Scott D. White, Bill La Haye 2001-4-28 8427 Riverside Colorado Desert: Coachella Valley, east of Dillon Road, ca. 6 road miles north of the I-10 Freeway. 137 Comment
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Aug 4 2014
  RSA779687  Pleurocoronis pluriseta Duncan S. Bell 2010-4-2 698 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness., Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  SD40731  Pleurocoronis pluriseta B. D. Stark 1933-5-13 4983 Riverside Andreas Canyon 760 Comment
  UC194828  Pleurocoronis pluriseta S. B. Parish 1916-5-18 10831 Riverside Cottonwood Springs Colorado Desert Comment
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Oct 9 2010
  RSA603751  Pluchea odorata L. C. Wheeler 1932-9-4 1321 Riverside Santa Ana River at Chino Creek 183 Comment
  SEINET2053973 Image available Pluchea sericea Heather Johnston 1967-5-16 51667 Riverside Salton Sea State Park. 0.9 miles South of entrance on CAL 111. Where creek crosses road 45 Comment
  UCR111600  Pluchea sericea Mitch Provance 1998-4-8 1775 Riverside City of Riverside, Arroyo Tequesquite, NE side of proposed 'Andulka Park' just west of the corner of Chicago and Central Avs. 305 Comment
  UCR174342B  Poa annua A. C. Sanders 2006-5-19 32396 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA740611  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12260 Riverside Meadows at Baldy Mtn. 1585 Comment
  UC1931223  Poa pratensis Scott D. White, Justin Wood 2008-6-18 12239 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Hwy 79. (Idyllwild) Comment
  RSA561809  Poa secunda Steve Boyd 1992-4-14 6835 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
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Jun 7 2009
  RSA741431  Poa secunda Scott D. White, Justin M. Wood 2008-6-18 12246 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  RSA753938  Poa secunda W. Schlegel, Andrew Trouette, Jordan Zylstra 2009-4-16 29 Riverside Idyllwild, Garner Valley Naked Noses. Comment
  SEINET260227 Image available Poa secunda M. Curto, L. Allen 1991-5-24 712 Riverside Santa Rosa Mts vic of Ribbonwood CA Hwy 74 ca 1.5km W of USFS Pinyon Flat CG 1300 Comment
  CAS-BOT-BC242998  Poa secunda subsp. secunda H. M. Hall 1900-6-1 1439 Riverside Lytle Creek Canyon, San Antonio Mountains 1752 Comment
  UCR270760  Polygala cornuta subsp. fishiae T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8366 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
  CDA36447  Polygonum arenastrum Mulhesin 1999-2-17 PDR 849875 Riverside Southern California; Near Blythe. Schindler Bros. farms. 0 Comment
  UCR16524  Polygonum argyrocoleon John Dean 1965-4-15 s.n. Riverside Sonoran (Colorado) Desert, 0.5 miles south of McCoy Wash mouth 91 Comment
  UCR30596  Polygonum argyrocoleon John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe 76 Comment
  POM48737  Polygonum aviculare subsp. aviculare P. A. Munz, I. M. Johnston 1924-7-29 8822 Riverside Banning Idyllwild Road. 945 Comment
  CAS-BOT-BC414404  Polygonum douglasii H. M. Hall 1901-7-1 2446 Riverside San Jacinto Mountains 2438 Comment
  UCR112473  Polygonum fagopyrum A. C. Sanders, Giles Waines, Mitch Provance, T. B. Salvato, et al 2000-4-15 23322 Riverside Coachella Valley, Chino Canyon, foothills of the San Jacinto Mtns., along the road to the Palm Springs Tram 0.5 mi. above Hwy 111 244 Comment
  RSA612696  Polypogon maritimus D. L. Banks 1997-3-29 1602 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border;, west of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR172143  Polypogon monspeliensis A. C. Sanders 2006-5-11 32257 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UCR199630  Polypogon monspeliensis Scott D. White 2004-4-26 10252 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  IRVC159  Polystichum imbricans subsp. curtum R. H. Whittaker, W. A. Niering 1963-5-27 SJ 7 Riverside Hemet Hwy, between Hemet and Mtn Center. Peninsular Ranges, San Jacinto Mountains 1250 Comment
  CAS-BOT-BC102595  Populus fremontii Herman Knoche 1919-6-2 Series A, No. 644 Riverside Palm Springs Comment
  CAS-BOT-BC102605  Populus fremontii Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA104886  Populus fremontii H. de Forest 1925-4-17 s.n. Riverside Indio. Comment
  SBBG125897  Populus trichocarpa A. C. Sanders with R. E. Riefner Jr. 2009-8-11 37158 Riverside Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River, near old boy scout camp 238 Comment
  SD157478  Populus trichocarpa Bill Knerr Jan 1998 Riverside Old Hwy 395, 9 miles south of Hwy 76, flat area Comment
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Sep 7 2013
  LA203857  Porophyllum gracile Carl Epling; October 1934 sn Riverside Palms to Pines Highway Comment
  UCR35307  Potamogeton crispus L. B. Ziegler 1974-7-9 530 Riverside Peninsular Range; San Jacinto Mtns., Hemet Lake 1335 Comment
  UC489190  Potamogeton diversifolius C. V. Meyer 1928-7-27 567 Riverside Hidden Lake; San Jacinto Mountains 2651 Comment
  SD229257  Potentilla gracilis Dick Schwenkmeyer 2012-6-27 759 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  CAS-BOT-BC540419  Potentilla gracilis var. fastigiata E. C. Van Dyke 1828-7-22 s.n. Riverside Idyllwild Comment
  SD148117  Proboscidea louisianica subsp. louisianica Mirch Provance 2000-10-28 2282 Riverside Jurupa Mountains; Jurupa Mountains Cultural Center, 0.25 mile southeast of peak 1411. 289 Comment
  UCR101417  Prosopis glandulosa A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22223 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  CAS-BOT-BC206993  Prosopis glandulosa var. torreyana Milo S. Baker 1928-4-3 3244 b Riverside Palm Spr. Canyon at camp. Comment
  POM275714  Prosopis glandulosa var. torreyana Lyman D. Benson 1942-8-11 11309 Riverside 20 miles west of Blyther 305 Comment
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Jul 10 2012
  CAS-BOT-BC216517  Prosopis pubescens S. B. Parish 1916-5-12 10866 Riverside Mecca 60 Comment
  POM296515A  Prunus fasciculata Lyman D. Benson 1954-5-2 15277 Riverside Hidden Valley Camp, Joshua Tree National Monument. Mojave Desert Drainage Area. 1341 Comment
  POM13083  Prunus fremontii A. Gilman 1922-3-18 s.n. Riverside Andreas Canyon near Palm Springs. Comment
  RSA0121429  Prunus fremontii Duncan S. Bell, LeRoy Gross 2016-3-29 9128 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
  SD229260  Prunus fremontii Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 629 Riverside Mt. San Jacinto 1085 Comment
  UCR20437  Prunus fremontii John C. Roos, L. Roos 1953-3-21 5908 Riverside Sonoran (Colorado) Desert, Mouth of Andreas Canyon south of Palm Springs 274 Comment
  UCR653  Prunus ilicifolia S. C. Warner 1956-4-23 s.n. Riverside Box Springs Mtns., Above Rail Road Track at east end of Blaine St 549 Comment
  OBI45158  Psathyrotes ramosissima A. Liston, T. S. Elias, O. R. Dorado & S. Zona 1986-11-29 640 -21 Riverside Painted Cyn, Mecca Hills Comment
  UCR245244  Psathyrotes ramosissima Jim Andre 2012-3-19 21337 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of junction with I-10 freeway 157 Comment
  UCR37249  Pseudognaphalium biolettii R. A. Fawcett 1936-3-8 s.n. Riverside Peninsular Range, Glen Ivy, Temescal Canyon Comment
  CAS-BOT-BC356790  Pseudognaphalium californicum Jennifer H. Jones 2006-5-16 301 Riverside Peninsular Ranges: Box Springs Mtns. E end of Big Springs Road, N side 372 Comment
  UCR274191  Pseudognaphalium californicum T. B. Salvato, Gregg Miller 2005-6-7 1434 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  POM14280  Psilocarphus brevissimus P. A. Munz 1922-4-29 5065 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  CAS-BOT-BC361790  Psilocarphus brevissimus var. brevissimus Philip A. Munz 1941-5-18 16648 Riverside About 15 miles north-east of Temecula Comment
  JOTR32960  Psilostrophe cooperi La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2711 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  UC1007140  Psilostrophe cooperi Philip A. Munz 1940-3-24 15698 Riverside 2 mi s Cottonwood Springs; Eagle Mts. 914 Comment
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Nov 2 2011
  CAS-BOT-BC346357  Psorothamnus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  RSA689438  Psorothamnus arborescens var. simplicifolius Scott D. White, Michael Honer 2003-5-13 9238 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
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Nov 27 2012
  UC1329931  Psorothamnus arborescens var. simplicifolius James E. Cole 1941-5-21 750 Riverside Cottonwood Spring Wash; Joshua Tree National Monument 914 Comment
  UCR157961  Psorothamnus arborescens var. simplicifolius T. B. Salvato, A. C. Sanders 2005-5-17 927 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
  UCR281909  Psorothamnus polydenius A. C. Sanders, Jim Malusa 2017-9-21 43360 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains Aerial Gunnery Range, south of Bradshaw Trail at large wash crossing 689 Comment
  CAS-BOT-BC340874  Psorothamnus schottii Milo S. Baker 1928-4-3 2797 b Riverside Palm Canon [Canyon] Road to Palm Sps. Comment
  IRVC28835  Psorothamnus schottii Mark A. Elvin 2005-4-26 4224 Riverside Coachella Valley; N of Agua Caliente Indian Reservation; N of Ramon St.; 3km NW of thousand Palms Northern Sonoran Desert 183 Comment
  RSA498755  Psorothamnus schottii Albert J. Perkins 1916-4-18 s.n. Riverside Near Palm Springs. Comment
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Aug 27 2011
  UC555343  Psorothamnus schottii Margaret Stason 1927-3-12 Riverside Painted Canyon , Painted Canyon (Colorado Desert) Comment
  UCR263502  Psorothamnus schottii Aaron C. Sedgwick, Brett Griffin 2012-3-28 015 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  RSA623940  Psorothamnus spinosus Raymond J. Dobbs 1927-3-30 s.n. Riverside Near Palm Springs. Comment
  CAS-BOT-BC72617  Pteridium aquilinum Carl B. Wolf 1932-5-25 3664 Riverside No. base of San Jacinto Mts., mouth of E. fork of Snow Creek Canyon 670 Comment
  UCR268289  Pteridium aquilinum var. pubescens Jim Andre 2012-6-15 30531 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  POM318854  Pterospora andromedea Patricia Wilder 1968-7-5 4325 Riverside Dogwood St. near Rimrock Dr., Idyllwild. San Jacinto Mt. Range, Strawberry-Little Tahquitz Creek Drainage. 1829 Comment
  UCR35110  Pterospora andromedea L. B. Ziegler 1970-6-28 409 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon) 1677 Comment
  POM121971  Pterostegia drymarioides Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA262103  Pterostegia drymarioides E. W. Lathrop 1969-5-8 7012 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  SDSU13927  Pterostegia drymarioides Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2139 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR104927  Pterostegia drymarioides A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20630 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  RSA718301  Pterostegia drymarioides Michael Honer, L. Hulse 2004-4-2 1882 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  UCR273975  Quercus Mitch Provance 2012-8-4 412- 28 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  UCR123691  Quercus agrifolia June Latting 1973-9-1 s.n. Riverside San Jacinto Mountains, along Hwy-74 between Hemet and Mountain Center, San Jacinto River wash 732 Comment
  UCSB1049  Quercus agrifolia var. oxyadenia Neely, William Riverside on Banning Road 1280 Comment
  RSA747438  Quercus berberidifolia T. Scott, K. M. Meyer, A. Townesmith 2007-3-18 135 Riverside San Bernardino National Forest. San Jacinto Mountains. About 1.7 mi on Little Thomas Mtn. Rd. S of Lake Hemet, from Rt. 74. 1467 Comment
  UCR135862  Quercus berberidifolia A. C. Sanders 2004-4-20 27524 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
  UC455263  Quercus chrysolepis I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 1828 Comment
  CDA29916  Quercus engelmannii Mike Lahti 2009-10-2 PDR# 1501841 Riverside Southwest of Temecula. 0 Comment
  SD122862  Quercus engelmannii Steve Boyd 1985-7-30 1047 Riverside 7.8 miles west of Rancho California, De Luz road Comment
  UCR189807  Quercus engelmannii Angela Hyder 2006-10-2 080 Riverside Peninsular Range, Lake Skinner, Lake Skinner reserve. 1 mi east of Rawson Canyon. 1 mi north of Black Mountain 660 Comment
  UC667379  Quercus john-tuckeri Annie M. Alexander and Louise Kellogg 1941-4-27 2094 Riverside road s of Twenty-nine Palms; Joshua Tree National Monument 1310 Comment
  UC1135774  Quercus palmeri A. E. Wieslander 1938-5-5 735 Riverside Van Deventer Flat Thermal Quad. 1493 Comment
  UCR169236  Quercus wislizeni var. frutescens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 09- 67 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles east of Hemet on Hwy 74 near Dry Creek, Site L9 961 Comment
  UCSB1285  Quercus wislizeni var. wislizeni White, Arthur 1960-5-14 Riverside Road between Banning and Idyllwild, 7 mi. S of the intersection with Hwy. 70 & 99, 75 yds. SE of road Comment
  RSA651188  Rafinesquia Marion P. Harthill 1971-3-19 s.n. Riverside Palm Desert. Comment
  JOTR32185  Rafinesquia californica Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  CAS-BOT-BC362628  Rafinesquia neomexicana Cecil Hart 1926-3-9 s.n. Riverside Between Indio & Whitewater Comment
  JEPS30457  Rafinesquia neomexicana Peter H. Raven 1958-2-15 11581 Riverside Corn Springs Chuckwalla Mountains Comment
  RSA620636  Rafinesquia neomexicana B. Pitzer, O. Clarke, S. Reed, G. Ruiz 1998-3-7 3582 Riverside San Bernardino Mountains: Wildlands Conservancy's Mission Creek Preserve. 762 Comment
  SBBG50927  Rafinesquia neomexicana N. R. Zabriskie, W. Zabriskie 1973-3-4 604 Riverside Poorwill Cyn, Andreas Cyn area, Palm Cyn drainage Comment
  UCR109642  Ranunculus aquatilis T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  RSA199169  Ranunculus aquatilis var. capillaceus Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37457 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  POM268409  Ranunculus californicus Lyman Benson 1932-3-26 3164 Riverside 3 miles N [of] Temecula. 457 Comment
  CAS-BOT-BC378494  Ranunculus californicus var. californicus Lyman Benson 1932-3-26 3164 Riverside 3 mi N Temecula; San Jacinto Mt. Range 457 Comment
  POM96257  Rhamnus crocea E. C. Jaeger 1925-12-22 s.n. Riverside Aguanga Comment
  JEPS42036  Rhamnus ilicifolia M. French Gilman Apr 1921 Riverside Beaumont Comment
  SDSU13625  Rhamnus ilicifolia W. Miller with C. Mosse 1972-7-12 Riverside Comment
  UCR97679  Rhamnus ilicifolia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19910 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  UC592932  Rhamnus tomentella subsp. cuspidata Carl B. Wolf 1932-8-6 Riverside base of Devil's Slide Trail to Tahquitz Valley; San Jacinto Mts., Strawberry Valley 1706 Comment
  UC18583  Rhamnus tomentella subsp. tomentella H. M. Hall 1897-5-18 539 Riverside Cahuilla Comment
  RSA680530  Rhododendron occidentale Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8640 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SBBG59933  Rhododendron occidentale M. Lewis 1947-8-26 9 Riverside Dark Cyn 1981 Comment
  UC456171  Rhododendron occidentale I. J. Condit 1910-6-23 Riverside San Jacinto Mountains 2590 Comment
  CLARK-A1528-5595  Rhus integrifolia John C. Roos 1950-2-18 4707 Riverside Box Springs Mountains 774 Comment
  UCR182998  Rhus integrifolia Mitch Provance 2003-5-5 4424 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR26962  Rhus integrifolia E. W. Lathrop 1966-3-23 6074 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  CAS-BOT-BC167968  Rhus ovata Elizabeth McClintock 1964-4-8 s.n. Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  RSA192296  Rhus ovata E. W. Lathrop 1966-3-2 6044 Riverside 10 miles NW of Murrieta, 1 mile W of Los Alamos Ranch, Cleveland National Forest. Comment
  RSA386388  Rhus ovata M. V. Hood 1945-3-30 s.n. Riverside Aguanga. 762 Comment
  UC729537  Rhus ovata Carl B. Wolf 1932-5-24 Riverside 1/2 mi below;n base of San Jacinto Mountains Fish Hatchery; San Jacinto Mountains, Snow Creek Canyon 548 Comment
  UCD116938  Rhus ovata T. B. Salvato; Kent Beaman 2005-5-16 880 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
  RSA3121  Ribes indecorum Carl B. Wolf 1932-2-11 2650 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  UCR87940  Ribes indecorum A. C. Sanders 1994-1-30 14229 Riverside Box Springs Mtns., head of Two Trees Canyon 686 Comment
  RSA162690  Ribes malvaceum var. viridifolium J. D. Olmsted 1960-2-22 1104 Riverside Up Tin Mine Canyon, first side canyon to the left with mining lcaim past jct with Hgador Canyon, Santa Ana River. 389 Comment
  RSA535479  Ribes malvaceum var. viridifolium Tim S. Ross, Orlando Mistretta 1992-2-2 6657 Riverside Santa Ana Mts, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Canyon, especially about Fishermans Camp. Comment
  RSA0022093  Ribes montigenum E. C. Jaeger 1921-06 s.n. Riverside Round Valley, San Jacinto Mtns. 2744 Comment
  SD229186  Ribes nevadense Dick Schwenkmeyer 2012-8-27 811 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  UCR22116  Ribes quercetorum Steve Boyd 1980-5-11 245 Riverside Peninsular Range; Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau. Sandy valley NW end of park on E side of Gavilan Road near the old mines 610 Comment
  RSA638201  Romneya coulteri Scott D. White 1998-10-9 7171 Riverside Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  RSA66188  Romneya coulteri F. W. Peirson 1920-6-22 2186 Riverside Temescal Canyon. 305 Comment
  RSA618368  Romneya coulteri var. trichocalyx D. L. Banks 1997-6-16 2060 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Pechanga Road, approximately 20 m south of the intersection of Hunter Lane and Moreno Road. 377 Comment
  SBBG121983  Rosa californica S. D. White, A. Carey 2004-5-7 10334 Riverside Indian Crk and adjacent foothills 549 Comment
  POM366411  Rubus parviflorus var. hypomalacus N. C. Cooper 1944-6-17 2008 Riverside Above Banning. 1220 Comment
  RSA736691  Rubus ursinus Scott D. White 2004-4-26 10260 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UCR25812  Rumex conglomeratus John C. Roos 1952-6-10 5759 Riverside San Bernardino Valley Region, Fairmont Park in Riverside, edge of lake 259 Comment
  RSA180404  Rumex crispus E. W. Lathrop 1965-5-30 5777 Riverside 6 miles W of Murrieta. Comment
  UCR127562  Rumex dentatus A. C. Sanders, T. B. Salvato 2003-5-21 26786 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  CLARK-A1528-3799  Rumex hymenosepalus John C. Roos 1966-4-29 Riverside Lakeview 457 Comment
  UCR178282  Rumex hymenosepalus T. B. Salvato, Tracy Tennant 1998-1 MOR- 800 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, near sag pond at Burro Flats, tree stand P-11 1098 Comment
  UCR88577  Rumex hymenosepalus A. C. Sanders, J. C. Lyman 1995-4-16 16563 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  UCR80798  Rumex salicifolius Scott D. White 1993-5-29 1479 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  UCR24910  Rumex salicifolius var. denticulatus A. C. Sanders 1980-7-22 1722 Riverside San Jacinto Mtns, Dutchman's Flat in Bear Trap Canyon about 1 mi (airline) west of Idyllwild. Between Hwy 243 and Foster Lake 1814 Comment
  CLARK-A1656-793  Salazaria mexicana Jon Mark Stewart 1982-5-15 Riverside San Jacinto Mountains 975 Comment
  RSA401567B  Salazaria mexicana N. C. Cooper 1944-7-15 1541 Riverside Banning. 701 Comment
  UCR114253  Salicornia virginica Stan C. Spencer 2000-2-1 s.n. Riverside Temecula Valley, Murrieta Creek at confluence with Empire Creek (Long Canyon) 329 Comment
  CAS-BOT-BC129742  Salix bonplandiana Marcus E. Jones 1927-4-12 5 M-11-26 Riverside The Pipes, near Morongo Valley Comment
  UC1979594  Salix exigua D. L Banks, Steve Boyd 1995-3-16 0091 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. Comment
  UCD110875  Salix exigua Mrs. H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  UCR11299  Salix exigua O. F. Clarke, M. Alexander 1971-3-31 s.n. Riverside Santa Ana River Bottom, Union Pacific Bridge 213 Comment
  UCR97690  Salix exigua A. C. Sanders, G. Helmkamp 1997-3-15 19967 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  RSA0013520  Salix exigua Joan Stewart 1998-05 696 Riverside Big Morongo Preserve Comment
  CAS-BOT-BC108114  Salix gooddingii Ivan Johnston 1917-4-4 1056 Riverside Palm Canyon - Colorado Desert 457 Comment
  CAS-BOT-BC108149  Salix gooddingii F. R. Fosberg 1932-3-13 8065 Riverside Thousand Palm Can., Coachella Valley Comment
  SD233938  Salix gooddingii A. C. Sanders, Kelly Volansky 2003-10-16 27346 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. (Riverside East 7.5' Q). 534 Comment
  SEINET10626142  Salix laevigata Greg Gust, Leith Nye 2005-3-11 Gust 546 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UC506453  Salix laevigata Carl Hedin and Joseph Ewan 1932-7-9 7678 Riverside near Prado (below Corona); China Creek Comment
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Dec 11 2011
  UCR112471  Salix laevigata A. C. Sanders, T. B. Salvato 2000-5-30 23433 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR25939  Salix laevigata John C. Roos 1947-11-1 3758 Riverside Sonoran (Colorado) Desert, Eagle Mtns, Lost Palms Canyon 976 Comment
  JEPS14747  Salix lasiandra var. lasiandra Marjorie Clary 1934-3-3 Riverside 18 mi w Indio (Carrizo Canyon) 304 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
  CAS-BOT-BC176910  Salsola tragus Ira L. Wiggins; Reed C. Rollins 1941-9-14 483 Riverside Roadside, one-half mile east of Indio Comment
  RSA524527  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4123 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA628607  Saltugilia australis H. A. Haid 1968-1 s.n. Riverside San Jacinto Mountains: Bautisa Canyon, above the confluence with Horse Creek 878 Comment
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May 21 2016
  CAS-BOT-BC220732  Salvia H. A. Dutton 1898-6-12 s.n. Riverside Warm Spring Valley, Elsinore Comment
  UC63766  Salvia H. M. Hall 1897-5-28 578 Riverside vicinity Riverside (Gavilan road) Comment
  SEINET269559  Salvia apiana Scott D. White 1996-5-27 4070 Riverside 'Badlands' Jackrabbit Canyon east of Moreno Valley and south of Calimesa between state highway 60 and Gilman Spring R 518 Comment
  JOTR29088  Salvia columbariae La Doux, Tasha 2005-3-30 1205 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA180506  Salvia columbariae E. W. Lathrop 1960-5-27 5226 Riverside 6 miles west of Murrieta. Comment
  UCR165412  Salvia columbariae A. C. Sanders 2005-4-21 29563 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  RSA0121600  Salvia eremostachya Duncan S. Bell, LeRoy Gross 2016-3-29 9102 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon just off of Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 625 Comment
  RSA314041  Salvia eremostachya Walter Wisura 1983-7-9 3920 Riverside 11 mi fr. jctn. with Hwy 111. along Hwy 74. Comment
  UC511832  Salvia eremostachya Frank W. Peirson 1933-4-13 10643 Riverside road from Deep Canyon to Idyllwild 1371 Comment
  SD58389  Salvia greatae Marjorie D. Clary 1938-4-17 2844 Riverside Bajada at base of Orocopia Mountains, north of the Salton Sea. 244 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
  UCR18806  Salvia greatae John C. Roos 1963-11-2 s.n. Riverside Sonoran (Colorado) Desert, Salt Creek wash c. 3 mi NE of Dos Palmas Spring Comment
  UCR241123  Salvia greatae Petra Wester 2004-6-3 499 Riverside Sonoran (Colorado) Desert, dirt road [Bradshaw Trail] between Orocopia and Chocolate mountains 240 Comment
  RSA434139  Salvia mellifera Gale Sphon 1955-3-5 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  UCR139642  Salvia mellifera A. C. Sanders 2004-7-1 28380 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  RSA259187  Salvia pachyphylla P. A. Munz 1938-8-14 15363 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2439 Comment
  RSA82389  Salvia vaseyi F. W. Peirson 1930-6-1 8930 Riverside Morongo Canyon, head of Coachella Valley. 610 Comment
  UCSB63394  Salvia vaseyi Sanders, A. 1995-4-27 Riverside Coachella Valley; foot of the Little San Bernardino Mtns; canyon E of Fan Hill; just outside Joshua Tree Nat. Park; T3S, R7E, S/2 sec. 27 550 Comment
  CAS-BOT-BC235030  Sambucus H. M. Hall 1901-6-1 2216 Riverside Onstat's Canon [Onstatt's Canyon], San Jacinto Mt. 1676 Comment
  CAS-BOT-BC238850  Sambucus nigra subsp. caerulea A. M. Vollmer; L. Beane 1953-6-29 15 Riverside Below Idylwild [Idyllwild], San Jacinto Mountains Comment
  UC1922062  Sambucus nigra subsp. caerulea Scott D. White, Angelia Carey 2004-4-5 10009 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  RSA621506  Samolus parviflorus D. L. Banks 1997-11-15 2195 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  RSA543951  Sanicula crassicaulis Steve Boyd, Orlando Mistretta 1991-5-9 6183 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  SD63339  Sarcodes sanguinea Walter Birtsch 1957-6-29 958 Riverside Santa Rosa Mountains, Desert Slope of Toro Peak 2660 Comment
  UCR214314  Sarcostemma cynanchoides A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38390 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UC1080460  Sarcostemma hirtellum P. C. Everett and E. K. Balls 1958-4-29 23029 Riverside 24.6 mi. n.e. from Desert Center (on rd. to Rice and Vidal Junction) 487 Comment
  UCR224179  Sarcostemma hirtellum Justin M. Wood, Dustin M. Ray 2010-10-21 3022 Riverside Colorado (Sonoran) Desert, Chuckwalla Valley northeast of Victory Springs and 0.9 km east of Kaiser Road on unmarked 4WD road 198 Comment
  UCR52212  Sarcostemma hirtellum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2099 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR21988  Schinus molle Steve Boyd 1980-7-20 340 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SEINET6810039  Schinus molle John Thieret, Brandenburg, David 1982-6-5 53095 Riverside Rancho Mirage; Rancho Mirage Comment
  CSUSB1165  Schismus arabicus Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  RSA781198  Schismus arabicus A. C. Sanders 2010-3-25 37629 Riverside northeast side of the Salton Sea, Hwy 111 at Mortmar near North Shore (Desert Beach), near Marina Dr. -60 Comment
  CAS-BOT-BC243458  Schismus barbatus Peter H. Raven 1958-1-23 11411 Riverside 2.7 miles west of Whitewater Post Office Comment
  HSC79574  Schismus barbatus Paul Bailey 1972-5-14 128 Riverside 6 mi. NW of Aguanga near Hwy. R-3 in Lancaster Valley 366 Comment
  RSA784744  Schismus barbatus Duncan S. Bell 2012-2-12 3089 A Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SEINET229451 Image available Schismus barbatus L. M. Shultz, JS Shultz 1985-4-17 8317 Riverside Chuckawalla Valley depression along Wiley's well road 122 Comment
  UCD93252  Schismus barbatus D. C. Finfrock 1951-4-4 s.n. Riverside 33 mi. E. of Indio. Comment
  UCR278377  Schoenoplectus californicus Mitch Provance 2012-9-5 912- 08 Riverside Beaumont Plateau, City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  UCR116396  Scirpus microcarpus P. A. Rauch 1966-4-30 s.n. Riverside San Jacinto Mtns., Fuller Mill Creek 1646 Comment
  CAS-BOT-BC238464  Scrophularia L. R. Abrams 1941-4-21 13874 Riverside Mt. Rubidoux, Riverside Comment
  RSA0036810  Scrophularia californica subsp. floribunda Bob Rogers 1984-4-28 25 Riverside Adjacent to and on the south side of Highway 74, 3.6 miles from Strawberry Creek going towards Mountain Center. 1219 Comment
  UC1931068  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin Wood 2008-7-9 12414 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UCR193486  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35606 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, mouth of nameless tributary NW of Herkey Crk., just north of Bonita Vista Rd. 1543 Comment
  LA55076  Scutellaria mexicana A. H. Lange; 1951-5-27 sn Riverside Santa Rosa Mountains, 5 mi. N of Pinyon Flats 609 Comment
  SD29583  Scutellaria siphocampyloides Darley F. Howe 1941-6-9 1111 Riverside San Jacinto Mountains. Comment
  UCR23621  Scutellaria tuberosa John C. Roos 1950-4-15 4734 Riverside In the hills NE of the summit of Reche Canyon 546 Comment
  IRVC27401  Selaginella bigelovii A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15867 Riverside Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork. San Jacinto Mtns/Colorado Desert 256 Comment
  RSA641073  Selaginella eremophila Louis Cutter Wheeler 1964-10-17 8639 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
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Sep 3 2013
  UC218678  Selaginella eremophila P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4865 Riverside vicinity of Corn Springs; Colorado Desert, Chuckwalla Mts. 762 Comment
  SDSU1921  Selaginella watsonii Clinton S. Kimball, Augustus B. Kimball and Rennselaer J. Smith 1908-6-28 274 Riverside Summit of San Jacinto Mt. Comment
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Oct 13 2011
  RSA472988  Senecio flaccidus var. douglasii H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  UCR261142  Senecio flaccidus var. douglasii A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41737 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 396 Comment
  JOTR34397  Senecio flaccidus var. monoensis Andre, Jim 2012-4-16 20930 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  UC1428708  Senecio mohavensis J. L. Strother 1973-3-23 1156 Riverside Painted Canyon , E Mecca (E Mecca) Comment
  UCR251920  Senecio mohavensis Jim Andre 2013-3-27 24820 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  UCR174120  Senecio vulgaris A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32607 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA402668  Sesuvium verrucosum A. Menke 1955-4-27 s.n. Riverside 2 miles east of Blythe. Along irrigated ditch. Comment
  UCR171978  Sidalcea malviflora John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  OBI36581  Sidalcea sparsifolia A. C. Sanders & S. D. Boyd, S. D. Boyd 1980-4-17 s.n. Riverside San Jancinto Mts. Pine Meadow in upper Garnder Valley, along hwy 74, 0.7 mi E of jctn with Hwy 371 1524 Comment
  SDSU14281  Sidalcea sparsifolia Ryan Jacobson, Jeremy Mass 2000-4-19 6 Riverside Santa Margarita Ecological Reserve. Near the banks of Stone Creek, approximately 0.5 mile east of the south-side facility. 177 Comment
  SEINET7048205  Sidalcea sparsifolia Steven R. Hill, Andrew C. Sanders 2001-5-4 33717 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
  CAS-BOT-BC109423  Sidotheca emarginata Edmund C. Jaeger 1922-7-21 s.n. Riverside Pines to Palms Trail East slope San Jacinto Mountains. 1524 Comment