Search Results — 2000 specimen records retrieved (1897 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA519128  Abies concolor F. C. Vasek 1977-11-25 771125 -5 Riverside San Jacinto Mountains, area around Boulder Basin Campground, just below Black Mountain Look Out. Comment
  SD229023  Abies concolor Dick Schwenkmeyer 2012-6-27 752 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  RSA0009280  Abronia pogonantha Duncan S. Bell 2012-9-13 4178 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  SEINET945977  Abronia umbellata Forrest Shreve 1933-1 6307 Riverside Beach near Carlsbad. Comment
Read comments
Feb 2 2014
  RSA701495  Abronia villosa M. Wall 1996-5-13 133 Riverside Hemet, Ramona Expressway/Mtn Ave. S of State St on W side of road at 7th St. 457 Comment
  RSA782198  Abronia villosa Duncan S. Bell 2011-10-22 2985 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SEINET893741  Abronia villosa H. M. Hall 1902-1 2915 Riverside Vicinity of Winchester, in the Upper Sonoran Zone. 457 Comment
  UC1392988  Abronia villosa R. F. Hoover 1969-4-14 11232 Riverside Just s of s city limit; Palm Springs Comment
  UCD109831  Abronia villosa Rudolf Schmid 1962-4-29 s.n. Riverside Near Sunrise Way and Ramon Street, Palm Springs. Comment
  UCR233709  Abronia villosa Duncan S. Bell 2010-5-1 870 Riverside Sonoran (Colorado) Desert, Arica Mountains, c. 11 air miles west of Rice, at the junction of Hwy 62 and the aqueduct access road 242 Comment
  UCR115994  Abronia villosa var. aurita A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23315 Riverside Shipley-Skinner Reserve area, Diamond Valley, off old Rawson Rd. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  UCR162950  Abronia villosa var. aurita Fred M. Roberts 2005-3-23 6135 Riverside Peninsular Range, Temescal Valley; old Temescal Wash along Temescal Canyon Road, near Glen Ivy Hot Springs, 1.2 km NW of junction with Indian Truck Trail, 3.6 km WSW Estelle Peak 312 Comment
  RSA747723  Abronia villosa var. villosa Scott D. White, Justin M. Wood 2009-3-24 12575 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
  UCR227180  Abronia villosa var. villosa Jim Andre 2011-2-9 15938 Riverside Sonoran (Colorado) Desert, Coachella Valley, along Varner Road between Desert Hot Springs and Palm Desert, 2 mi north of Hwy I-10 189 Comment
  SD129314  Acacia dealbata John Adams 1966-3-12 434 Riverside Hwy 74 above Lake Elsinore, toward Capistrano. 609 Comment
  UC1128723  Acacia greggii H. S. Yates 1937-6-27 6727 Riverside Mouth of Deep Canyon 304 Comment
  SD73604  Acamptopappus sphaerocephalus var. sphaerocephalus Helen V. Witham 1970-4-29 835 Riverside Hwy 74, about 20 miles east of Lake Hemet. 1299 Comment
  UC1366079  Acamptopappus sphaerocephalus var. sphaerocephalus Nancy Ryan Zabriskie and Walter Zabriskie 1969-4-26 192 Riverside near (in Andreas Canyon) Palm Springs; Andreas Canyon 365 Comment
  SEINET4692065 Image available Achnatherum coronatum Frank W. Gould 1943-1 2128 Riverside 12 miles south of Corona on road to Elsinore Comment
  CHSC26095  Achnatherum parishii Dieter H. Wilken 1965-6-29 387 Riverside West end of the Hemet Valley (Garner Valley) near lake Hemet San Jacinto Mtns. 1371 Comment
  SEINET10376003 Image available Achnatherum parishii Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17356 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  UCSB484  Achnatherum speciosum Henry Van Leeuwen 1957-4-13 158 Riverside collected 5.0 mi N along Devil's Garden in road to the Morongo Valley U. S. Highway 60 - Devil's Garden, Morongo Valley, and U. S. Highway 60 Comment
  RSA574727  Achyrachaena mollis Steve Boyd 1982-3-28 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain just east of extensively mined area. 427 Comment
  CAS-BOT-BC384732  Achyronychia cooperi L. R. Abrams 1926-3-26 11108 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  POM183975  Achyronychia cooperi P. A. Munz 1932-3-14 11999 Riverside Palm Springs. 91 Comment
  SFV7928  Achyronychia cooperi T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1291 Riverside Mojave Desert Southern Mojave Desert, Cadiz Valley. Along Highway 62, about 1.5 miles west of Parker Dam Highway. 305 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
  SEINET5327524  Acmispon argophyllus var. argophyllus I. W. Clokey, E. G. Anderson 1935-8-21 6719 Riverside E of Keen Camp P.O., by road 1350 Comment
  SD70398  Acmispon maritimus var. brevivexillus W. L. Jepson 1927-4-12 11640 Riverside Painted Canyon, north of Mecca. 75 Comment
  UCD104284  Acmispon rigidus Nancy Ryan Zabriskie 1973-2-23 565 Riverside Boyd's Rd. Lookout, Deep Canyon, N Slope Santa Rosa Mts. 853 Comment
  SD181519  Acmispon strigosus Scott D. White 2000-5-30 7971 Riverside Corona foothills, ca. 1 mile southeast of the I-15/El Cerrito Road junction adjacent to new houysing construction, alluvial terraces with steep, incised channels. This robust plant in a burned area. 334 Comment
  UCD104473  Acmispon strigosus H. S. Yates 1937-3-23 6404 Riverside 2 miles north of Palm Springs. 213 Comment
  SD241728  Acourtia microcephala A. C. Sanders, John F. Green. 2012-6-25 40311 Riverside Peninsular Range; Santa Ana Mountains Region: Temescal Canyon near Hostettler Road, south of I-15, narrow canyon draining from vicinity of Palomino Creek Drive at end of Calendula Street (Alberhill 7.5'Q) 387 Comment
  JEPS30394  Adenophyllum cooperi Peter H. Raven and David Verity 1960-6-5 15499 Riverside Queen Valley; Joshua Tree Natl. Monument, Queen Valley Comment
  JEPS34237  Adenophyllum porophylloides W. L. Jepson 1901-5-22 1408 Riverside Palm Canyon Comment
  CLARK-A1528-3971  Adenostoma fasciculatum John C. Roos 1948-5-22 3861 Riverside Reche Canyon Comment
  UCR137562  Adenostoma fasciculatum A. C. Sanders 2004-5-5 27761 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR174126  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32634 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR213505  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37809 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR260524  Adenostoma fasciculatum T. B. Salvato 2014-5-29 8046 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  RSA0117833  Adenostoma fasciculatum var. fasciculatum Sarah J. J. De Groot, Thomas Stoughton 2016-4-20 7808 Riverside Along the Pacific Crest Trail at top of hill just west of the Whitewater Preserve and Whitewater River; southeast foot of San Bernardino Mountains, north of Interstate 15. 830 Comment
  RSA390498  Adenostoma fasciculatum var. fasciculatum N. C. Cooper 1949-6-29 4309 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  RSA453178  Adenostoma sparsifolium M. B. Dunkle 1934-3-11 4234 Riverside Ribbonwood Comment
  UC12019  Adenostoma sparsifolium H. M. Hall July 1901 Riverside e. end Tahquitz Valley; San Jacinto Mts. 1828 Comment
  UC519765  Adenostoma sparsifolium C. Epling 1931-10-4 Riverside Hemet to Idylwild Comment
  UCR35154  Adenostoma sparsifolium L. B. Ziegler 1964-8-24 38 Riverside San Jacinto Mtns., Garner [Hemet] Valley 1402 Comment
  RSA543836  Adiantum jordanii Steve Boyd, Orlando Mistretta 1991-5-22 6289 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR92229  Adiantum jordanii D. L. Banks, Steve Boyd 1995-5-9 419 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  UC219314  Agoseris retrorsa P. A. Munz 1922-7-3 5965 Riverside Santa Rosa Santa Rosa Mts. 1920 Comment
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Oct 8 2011
  SD262155  Agrostis Jim Andre 2012-6-15 30520 Riverside San Jacinto Mountains: San Bedrnardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat (Lake Fulmor 7.5'Q) 1309 Comment
  UCR195140  Agrostis exarata A. C. Sanders, Tim Thomas 2008-8-1 35927 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  UCR98250  Agrostis exarata Scott D. White 1996-8-1 4448 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  CAS-BOT-BC139356  Agrostis idahoensis H. M. Hall 1901-7-1 2363 Riverside San Jacinto Mountains. Tahquitz Valley. 2438 Comment
  SEINET1908637 Image available Agrostis pallens A. C. Sanders, Mitch Provance 2008-1 35792 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 (Idyllwild 7.5' Q.) 1450 Comment
  UCR96425  Agrostis pallens Scott D. White 1996-8-1 4425 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  POM14992  Allenrolfea occidentalis Mary F. Spencer 1920-3-15 s.n. Riverside Mecca, Colorado Desert. -48 Comment
  UC1595727  Allionia incarnata W. Wisura, J. Dolan, M. Wall 1992-3-25 4653 Riverside 2.7 mi s of prison on Wileys Well Road Wileys Well Road Comment
  UC2015645  Allionia incarnata A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16079 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. 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
  UCR85162  Allionia incarnata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16079 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  JOTR35020  Allionia incarnata var. incarnata La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3118 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  SD120078  Allionia incarnata var. villosa Louis B. Ziegler 1966-9-13 83 Riverside San Jacinto Mountains, Canyon of Carrizo Creek above Highway #74 crossing. 701 Comment
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Jul 10 2010
  RSA100190  Allium haematochiton I. T. Weeks 1955-5-4 s.n. Riverside 1/2 mile east of Gorgeous George s turkey ranch, northwest of Beaumont. Comment
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Jun 15 2011
  RSA500142  Allium lacunosum var. lacunosum Robert F. Thorne, E. W. Lathrop 1975-5-25 45560 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  JOTR30649  Allium parishii La Doux, Tasha, Erin Babich 2008-4-21 1809 Riverside Joshua Tree National Park. Stop 6- Little San Bernardino Mountains, above Upper East Deception Canyon, open rocky ridge 1406 Comment
  JOTR34267  Allium parishii La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3283 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  RSA771812  Allium peninsulare Steve Boyd 2010-5-23 12276 Riverside Elsinore Peak, fuelbreak near summit, just west of communications towers. 1073 Comment
  CAS-BOT-BC475413  Allium praecox Mrs. Wilder 1905-4-1 s.n. Riverside Riverside, Calif. Comment
  UCR120804  Allium praecox Ian G. Gillespie, Steve Boyd 2000-4-15 01 Riverside Lake Mathews, Drainage on E side of Monument Peak 488 Comment
  UCR274314  Allophyllum Jennifer H. Jones, Scott D. White 2005-5-25 s.n. Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately north of San Diego County line 579 Comment
  UCR68844  Allophyllum glutinosum Steve Boyd, T. S. Ross 1990-5-11 4623 Riverside Agua Tibia Mountains, Cleveland National Forest, base of Agua Tibia Mtn, east of Dripping Springs campground, south of Hwy 79 671 Comment
  POM2092  Alnus rhombifolia I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon 274 Comment
  RSA91231  Alnus rhombifolia F. W. Peirson 1928-3-10 7698 Riverside along irrigation ditch, Snow Creek Auto Camp at Whitewater, head of Coachella Valley. Comment
  JOTR16544  Amaranthus fimbriatus Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. RAODSIDE BETWEEN RYAN MOUNTAIN AND CAPROCK 1310 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
  SD251167  Amaranthus palmeri Duncan S. Bell, John Anderson, et al. 2013-9-28 6020 Riverside Chuckwalla Valley; ca. 22.25 air miles west of Blythe, south side of Ford Dry Lake, ca. 0.5 air mile southeast of Hopkins Well. 106 Comment
  CAS-BOT-BC13612  Ambrosia acanthicarpa Carl B. Wolf 1931-10-14 2459 Riverside Cabezon, San Gorgonia Pass. 518 Comment
  SD137916  Ambrosia acanthicarpa Darin L. Banks, Steve Boyd 1995-10-17 756 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco. 515 Comment
  SEINET5538667  Ambrosia acanthicarpa H. S. Gentry 1954-1 14252 Riverside Dripping Springs, along Route 79. Comment
  UCR115128  Ambrosia acanthicarpa Mitch Provance 2000-10-28 2281 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR239599  Ambrosia acanthicarpa O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  UCSB7142  Ambrosia acanthicarpa Philbrick, Ralph 1954-10-24 Riverside 4 miles south of Chino Institute Comment
  CAS-BOT-BC518747  Ambrosia confertiflora O. F. Clarke 2009-11-26 s.n. Riverside Peninsular Range: Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CAS-BOT-BC22605  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -332 Riverside Joshua Tree National Monument: about 4 mi S of Entrance to Cottonwood Springs Campground Comment
  SBBG61677  Ambrosia dumosa R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  UC596615  Ambrosia dumosa Rensselaer J. Smith 1900-1 317 Riverside Conchilla Desert Comment
  UCR167258  Ambrosia dumosa John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR178508  Ambrosia dumosa R. G. Swinney 1967-5-26 149 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  CAS-BOT-BC272855  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
  HSC5855  Ambrosia salsola C. L. Hitchcock 1966-3-16 24217 Riverside 4 mi. S of Palm Desert, along Palms to Pines Hwy. Comment
  JEPS30459  Ambrosia salsola Peter H. Raven 1958-1-23 11414 Riverside 2.7 mi w Whitewater Post Office Comment
  LA203747  Ambrosia salsola Martha Hilend; 1929-3-24 sn -b Riverside Thousand Palms Comment
  SEINET2030196 Image available Ambrosia salsola Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley Comment
  SFV17322  Ambrosia salsola var. pentalepis J. N. Hogue, J. D. Dilley 1998-4-23 108 .5 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
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Mar 2 2015
  CAS-BOT-BC142930  Amelanchier utahensis C. B. Wolf 1931-5-11 1955 Riverside Near Pipe Creek, above Hemet Valley - San Jacinto Mts. 1676 Comment
  SEINET238514  Ammannia coccinea A. C. Sanders, Mitch Provance 1999-9-26 23114 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi. S of Eden H 433 Comment
  RSA801980  Ammoselinum giganteum J. R. Bruff 1928-4-3 s.n. Riverside 13 W. of Desert Center in dry lake bed Comment
  POM157929  Amorpha fruticosa P. A. Munz 1927-5-21 10841 Riverside Creek bank, 7 miles SW of Coahuila. Comment
  UCR250205  Amorpha fruticosa var. occidentalis A. C. Sanders 2014-4-23 41058 Riverside Peninsular Range, Temescal Valley, along Hostettler Rd. near Temescal Canyon Rd. and I-15, at bend in Hostettler Rd. 363 Comment
  CAS-BOT-BC213973  Amsinckia L. R. Abrams 1926-3-26 11057 Riverside Palm Springs to Palm Canyon Comment
  PASA1998  Amsinckia douglasiana Frank W. Peirson 1921-3-22 Riverside Murray Canyon, Palm Springs Region 396 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
  UCSB40909  Amsinckia intermedia Reimer, Neil 1977-5-13 Riverside In Box Springs Mt. Park Comment
  POM96828  Amsinckia intermedia F. M. Reed 1926-5-8 5331 Riverside Near summit of Temescal Canyon highway. Comment
  RSA0089611  Amsinckia intermedia P. A. Munz, R. D. Harwood 1920-2-28 3239 Riverside 3 mi SW of Corona. 305 Comment
  SEINET7907888  Amsinckia menziesii D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris & Lake Elsinore 488 Comment
  UCR103725  Amsinckia menziesii A. C. Sanders, G. Helmkamp 1997-3-15 19982 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill 473 Comment
  RSA517932  Amsinckia tessellata Steve Boyd 1986-3-1 1372 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR139717  Amsinckia tessellata B. G. Pitzer 1989-4-16 1303 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  JEPS49774  Amsonia tomentosa I. T. Weeks 1930-3-30 Riverside Upper Munsen Canyon n. Colorado Desert, Eagle Mts., Upper <Mousen> Canyon Comment
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Jul 5 2010
  SD68968  Anagallis minima Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37576 Riverside Santa Rosa Plateau: marsh on Mesa de Colorado, Rancho California 671 Comment
  RSA192108  Anemopsis californica E. W. Lathrop 1965-5-27 5204 Riverside 6 miles west of Murrieta. Comment
  UCR264617  Anemopsis californica Mitch Provance 2011-6-6 17008 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  UCR14552  Angelica tomentosa Warren Estes 1974-7-10 s.n. Riverside San Jacinto Mtns., l mi. above Poppet Flats, E side of Rd. 243, near Banning 1280 Comment
  UC485492  Antennaria argentea A. W. Anthony 1899-1-1 Riverside San Jacinto Mt. Comment
  POM13630  Antennaria rosea E. C. Jaeger 1921-7-1 1044 Riverside Long Valley. Comment
  CHSC1687  Antirrhinum coulterianum Sonia R. Westerberg 1938-5-1 Riverside Banning. Comment
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Mar 13 2011
  CLARK-A1528-838  Antirrhinum coulterianum C. M. Flanagan 1973-5-31 OO 649 Riverside Morongo Indian Reservation Comment
  POM72414  Antirrhinum coulterianum Philip A. Munz 1925-5-20 9835 Riverside 2 miles W of Dripping Spring. 427 Comment
  RSA500552  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3595 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA525247  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross 1990-5-11 4625 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA773107  Antirrhinum coulterianum Duncan S. Bell, Joy D. England 2010-6-14 1299 Riverside San Bernardino National Forest: Garner Valley, approximately 2.3 air miles south east of junction of forest service road 6S04 and forest service road 6S13. 1393 Comment
  UC1595591  Antirrhinum coulterianum Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4557 Riverside Vail Lake area, rolling terrain at junction of Hwy R3 and Powerline Road, NE of the lake Comment
  JOTR32148  Antirrhinum filipes La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2304 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA425620  Antirrhinum filipes Anstruther Davidson 1927-04 s.n. Riverside Box Canyon Comment
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Nov 12 2011
  RSA4885  Antirrhinum filipes Carl B. Wolf 1932-4-27 3001 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 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
  JEPS83387  Antirrhinum nuttallianum subsp. nuttallianum David M. Thompson 1983-5-8 295 Riverside 2.2 mi up Bee Canyon Road junction with Hwy. 74 (Bee Canyon Road just e of Cranston Ranger Station on Hwy 74, on one of the upper steep switchbacks on the steep climb to the ridge); Banning Quad. (15', 1956) 731 Comment
  RSA501015  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3134 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA482605  Arabis perennans E. C. Jaeger s.n Riverside Lower Tahquitz Valley, San Jacinto Mts. 1768 Comment
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Nov 5 2011
  POM13212  Arabis pulchra E. C. Jaeger 1921-04 1132 Riverside Cottonwood Springs Comment
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Sep 20 2011
  UC855512  Arabis pulchra L. Haines and L. Erickson 1937-4-10 Riverside near road to Shumay (Palms-to-Pines highway) Comment
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Dec 17 2011
  UC1078932  Arceuthobium campylopodum Job Kuijt 1958-3-14 1497 Riverside 0.6 mi se Keen Camp Summit (Hwy 74); San Bernardino Mtns Comment
  UC848841  Arceuthobium campylopodum I. W. Clokey and E. G. Anderson 1935-8-21 6574 Riverside Idlewilde-Banning 1650 Comment
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Mar 21 2011
  POM230609  Arceuthobium campylopodum I. W. Clokey, E. G. Anderson 1935-8-21 6574 Riverside Idelenulde-Banning Comment
  RSA608476  Arceuthobium cyanocarpum Louis C. Wheeler 1961-6-21 7899 Riverside San Jacinto Mountains: North side Tahquitz Peak. Comment
  RSA629154  Arctostaphylos Jon E. Keeley 1992-7-17 16781 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629430  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16842 Riverside Hwy 243, 38 km N of Idyllwild. 1485 Comment
  RSA629472  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16830 Riverside Idyllwild, Saunders Meadow Road, east of Highway 243. 1610 Comment
  UCR269229  Arctostaphylos glandulosa A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42002 Riverside Peninsular Range; San Jacinto Mtns., Hwy 243 just below (c. 0.2 km north of) turnoff to Poppet Flats 1276 Comment
  RSA78310  Arctostaphylos glandulosa var. adamsii P. A. Munz, E. K. Balls 1952-8-21 17984 Riverside Road, Vandeventer Flat to Santa Rosa Peak 2072 Comment
  RSA633526  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20106 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633708  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16672 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633739  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20120 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  POM367426  Arctostaphylos pringlei subsp. drupacea Douglas Bothwell 1934-5-6 s.n. Riverside Idyllwild, San Jacinto Mts. 1610 Comment
  RSA297169  Arctostaphylos pringlei subsp. drupacea Carl V. Meyer 1927-06 207 Riverside Saunder's Meadow, San Jacinto Mts. 1676 Comment
  RSA635654  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16865 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  JEPS46252  Arctostaphylos pungens A. E. Wieslander Feb. 1929 Riverside near Prison Camp; San Jacinto Mts. Comment
  RSA635768  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16730 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA635786  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16529 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA636014  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18803 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  UCR189784  Arctostaphylos rainbowensis Diane Menuz 2007-3-26 265 Riverside Peninsular Range, Coastal Foothills Region, Santa Rosa Plateau, c. 0.2 mi west of northern edge of Mesa de la Punta. Along Punta Mesa Trail, 1000km from the Adobes 488 Comment
  UC1040951  Argemone munita Gerald B. Ownbey and Findley Ownbey 1954-5-22 2112 Riverside 2.8 mi se Palm Springs Comment
  UCR116786  Argemone munita A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24160 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  CAS-BOT-BC207120  Argythamnia lanceolata Ivan Johnston 1917-4-4 1106 Riverside Andreas Canyon, Colorado Desert 274 Comment
  RSA784780  Aristida adscensionis Duncan S. Bell 2012-3-18 3184 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
  UCR256700  Aristida adscensionis Duncan S. Bell 2012-2-12 3090 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  POM319745  Aristida adscensionis var. abortiva Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, near Mecca, Colorado Desert. Comment
  RSA129293  Aristida adscensionis var. modesta H. S. Yates 1937-3-23 6442 Riverside 15 miles NNE of Mecca 457 Comment
  RSA5172  Aristida adscensionis var. modesta C. B. Wolf 1932-4-27 2987 Riverside Palm Springs. 152 Comment
  SEINET239055  Aristida divaricata A. C. Sanders, S. D. Boyd; Mitch Provance J. Ross 1998-10-25 22284 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern) 1 mile. NW of Hwy 371 junction to Anza (Butterfl 1441 Comment
  SEINET3918944  Aristida parishii Sears 1977-10-12 S 575 Riverside Corn Spring. Desert Plam Oasis, permenant flowing spring, in wash area up in the mountian slopes of the Chuckwalla Mountains.; 0 549 Comment
  JOTR33752  Aristida purpurea var. nealleyi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2750 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UCD56564  Aristida purpurea var. nealleyi F. M. Reed 1927-3-18 5426 Riverside Colorado Desert, Salt Creek Wash. 152 Comment
  UCR26289  Aristida purpurea var. nealleyi John C. Roos 1951-10-19 5325 Riverside Badlands at Old Jackrabbit Trail 610 Comment
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Mar 20 2011
  UCR2163  Aristida purpurea var. parishii F. M. Reed 1927-3-19 5440 Riverside Sonoran (Colorado) Desert, upper fork of Salt Creek Wash [east of the Salton Sea] 549 Comment
  UCR196387  Aristida purpurea var. purpurea Naomi Fraga, Lisa Rojas 2005-2-10 1417 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  IRVC474  Artemisia californica R. H. Whittaker, W. A. Niering 1963-5-29 SJ 60 61 Riverside San Jacinto Mtns: San Jacinto Valley 564 Comment
  UCR85178  Artemisia californica A. C. Sanders 1995-2-19 15936 Riverside San Bernardino Mountains/Coachella Valley, Mission Canyon, along Mission Creek Rd. 1.75 mi. above Hwy 62 600 Comment
  UC22960  Asclepias californica H. M. Hall June 1901 2210 Riverside s side San Jacinto Mountains 1706 Comment
  POM12026  Asclepias eriocarpa Mary F. Spencer 1921-7-7 965 Riverside Tahquitz trail. Idyllwild Comment
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Aug 17 2011
  RSA784197  Asclepias eriocarpa J. D. Olmsted 1959-8-18 805 Riverside Desert Sun School near Idyllwild; M[iddle] Fork San Jacinto River. 1646 Comment
  SBBG14403  Asclepias erosa E. R. Blakley 1961-9-12 4706 Riverside 20 mi W of Blythe at wash crossing of US Hwy 60-70 106 Comment
  UC154644  Asclepias erosa Rensselaer J. Smith May 1904 306 Riverside Palm Springs Comment
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Aug 27 2011
  UCR51475  Asclepias erosa S. J. Myers 1987-8-6 s.n. Riverside Aguanga, c. 1/2 mi. west of Hwy 371 at intersection of El Pasta and El Reposo Rd. 642 Comment
  UCR89873  Asclepias erosa J. M. Stewart 1990-9-23 660 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  RSA654869  Asclepias fascicularis Mitch Provance 1999-6-30 1746 Riverside Box Springs Mnts: City of Riverside, at the corner fo Rustin and Marlboro., 33 34' N, 117 20' W 305 Comment
  SEINET3005052  Asclepias subulata G. Rink 2011-4-28 10490 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 94 Comment
  JOTR32363  Astragalus coccineus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2478 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
  POM15067  Astragalus didymocarpus var. dispermus Mary F. Spencer 1922-3-25 1426 Riverside Mecca. -49 Comment
  RSA49368  Astragalus didymocarpus var. dispermus P. A. Munz 1949-4-11 12996 Riverside North base of Eagle Mtns. 945 Comment
  UCR208881  Astragalus didymocarpus var. dispermus F. W. Peirson 1922-4-29 2939 Riverside Peninsular Range, Dripping Spring, near Temecula River 457 Comment
  RSA775122  Astragalus douglasii var. douglasii Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5025 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
  RSA171359  Astragalus douglasii var. parishii J. D. Olmsted 1962-5-3 3516 Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  RSA642091  Astragalus filipes Orlando Mistretta, Mark Elvin 1995-6-19 1780 Riverside San Jacinto Mountains.: [State Hwy 74] 1433 Comment
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Jan 1 2007
  RSA736309  Astragalus gambelianus Scott D. White, Justin M. Wood 2008-3-25 11785 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  IRVC28833  Astragalus lentiginosus var. coachellae Mark A. Elvin 2005-4-26 4226 Riverside Coachella Valley; E of Flat Top Mtn; at base in sand dunes. Northern Sonoran Desert 152 Comment
  SBBG68271  Astragalus lentiginosus var. floribundus M. N. Ackley 1928-4-4 570 Riverside between Indio and Edom 60 Comment
  UC397295  Astragalus lentiginosus var. fremontii E. E. Schellenger March 1906 17 Riverside Boulder Well , Boulder Well (Colorado Desert) Comment
  RSA0029319  Astragalus lentiginosus var. variabilis Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4692 -D Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  CAS-BOT-BC27492  Astragalus nutans Philip Alexander Munz; D. D. Keck 1922-4-9 4779 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 457 Comment
  RSA776289  Astragalus nuttallianus var. cedrosensis Duncan S. Bell, Amanda Turek 2010-4-10 835 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  SEINET6744644 Image available Astragalus oocarpus Marcus E. Jones 1882-1 3166 Riverside San Jacinto, CA Comment
  CAS-BOT-BC194202  Astragalus pachypus Harvey Monroe Hall 1897-4-18 477 Riverside Beaumont Comment
  SD129318  Astragalus pachypus var. jaegeri Ed LaRue 1989-5-17 Riverside Hills east of Beaumont, along Potrero Creek, 0.5 mile east of old San Jacinto Nuevo Y Potrero land grant. 700 Comment
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Nov 8 2020
  POM90992  Astragalus pachypus var. jaegeri E. C. Jaeger 1925-12-22 s.n. Riverside Aguanga Comment
  CAS-BOT-BC192760  Astragalus palmeri Ynez Whilton Winblad 1937-4-23 s.n. Riverside Box Canyon Comment
  CAS-BOT-BC194162  Astragalus palmeri Marcus E. Jones 1927-4-12 s.n. Riverside The Pipes, near Morongo Valley Comment
  UCR35037  Astragalus palmeri L. B. Ziegler 1972-5-17 459 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  RSA415658  Astragalus pomonensis N. C. Cooper 1944-5-21 1237 Riverside Hemet. 549 Comment
  UCR208977  Astragalus pomonensis B. C. Templeton 1930-4-15 1483 Riverside Gavilan Hills, between Perris and Gavilan Peak 500 Comment
  RSA90742  Astragalus pomonensis F. W. Peirson 1922-4-29 2957 Riverside Roadside W of Lake Elsinore. 381 Comment
  RSA415845  Astragalus tricarinatus Ralph Hoffmann 1929-9-13 s.n. Riverside Colorado Desert, Riverside. Comment
  RSA415764  Astragalus trichopodus Freda Detmers 1931-6-19 s.n Riverside Chino Hills. Comment
  CAS-BOT-BC27727  Astragalus vaseyi var. johnstonii Philip Alexander Munz; Ivan Murray Johnston 1922-5-7 5271 Riverside Keyes Ranch, Little San Bernardino Mts. 1066 Comment
  RSA192206  Athysanus pusillus E. W. Lathrop 1960-3-25 4680 Riverside 14 miles W of Murrieta. Comment
  CAS-BOT-BC98813  Atrichoseris platyphylla Lewis S. Rose 1937-4-10 37177 Riverside Indio-Blythe Road, 26 mi. E. of Indio 457 Comment
  JOTR31972  Atrichoseris platyphylla La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2208 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  UC665903  Atrichoseris platyphylla Ira L. Wiggins 1941-3-27 9681 Riverside 8 miles northeast of Desert Center (south end of Coxcomb Mountains); Coxcomb Mountains Comment
  UCR148861  Atrichoseris platyphylla 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
  RSA784837  Atriplex J. D. Olmsted 1959-9-23 1011 Riverside 2.25 mi S of Hemet Lake along Hwy 74, San Jacinto Mts. drainage area to Hemet Lake 1387 Comment
  UCR195797  Atriplex canescens var. canescens Jim Andre, T. La Doux 2007-9-6 8709 Riverside Little San Bernardino Mountains, Joshua Tree National Park, Queen Valley, just east of Geology Tour Road, in July 2006 burn area 1319 Comment
  POM202638  Atriplex canescens var. laciniata W. M. Ingram 1934-10 9 Riverside Caleb Comment
  RSA787693  Atriplex canescens var. laciniata Duncan S. Bell 2012-4-5 3306 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. Approx. 6.75 air miles directly north of Hell. 137 Comment
  RSA125961  Atriplex canescens var. linearis E. K. Balls, P. C. Everett 1957-11-5 22757 Riverside Just S. of Thermal, State Hwy. 111 30 Comment
  SD138899  Atriplex coronata var. notatior Craig Reiser 1994-5-2 Riverside Fenced field. Reiser by phone says this was probably collected in Hemet near California Street, in an area now a preserve Comment
  UCR189561  Atriplex coronata var. notatior Theresa Johnson 2007-5-9 341 Riverside Peninsular Range, San Jacinto Wildlife Area; c. 500 m west of Davis Road, southwest of riparian area Comment
  UCR90766  Atriplex coronata var. notatior D. E. Bramlet 1991-4-30 2088 Riverside 6.5 km west of Hemet and Approx. 610 m west of the intersection of Florida and Warren Road, 340 m south of Florida Ave. and 53 m east of the MWD canal 457 Comment
  CAS-BOT-BC523903  Atriplex glauca D. E. Bramlet 2005-5-5 3847 Riverside Perris-Aguanga Basin Region: San Jacinto Valley, canal right-of-way north of Devonshire Ave. 457 Comment
  CDA23270  Atriplex glauca R. E. Riefner Jr. 2002-12-12 02 -521 Riverside Corona; SW side of I-15, along Magnolia Ave. on-ramp. Comment
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Dec 13 2012
  OBI17313  Atriplex hymenelytra H. E. McMinn 1937-3-6 5014 Riverside River road about 40 mi N of Blythe Comment
  RSA478264  Atriplex hymenelytra E. C. Jaeger 1929-3-29 753 Riverside Painted canyon, near Mecca. 91 Comment
  RSA727386  Atriplex hymenelytra Naomi Fraga, Lisa Rojas 2005-2-10 1379 -b Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SEINET7248313  Atriplex hymenelytra Duncan S. Bell, Deidre Conocchioli 2014-1 2646 Riverside Orocopia Mountains; southern section of range; Gucci Spring. 416 Comment
  UCR122573  Atriplex lentiformis George K. Helmkamp 2000-8-29 5983 Riverside Colorado Desert., South of Mecca, where Lincoln St. crosses the Whitewater River, about 0.5 mile from the Salton Sea -67 Comment
  RSA486455  Atriplex lentiformis subsp. breweri Richard Noyes, L. Arnseth 1988-10-30 761 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  SBBG1772  Atriplex lentiformis subsp. breweri H. and M. Dearing 1940-11-10 5017 Riverside Thousand Palms Cyn Comment
  CLARK-A1528-400  Atriplex polycarpa Charlotte Stocks 1964-8-30 Riverside Coachella Valley Comment
  RSA69835  Atriplex prostrata J. C. Roos 1951-10-24 5339 Riverside Santa Ana River bottom near Pedley Comment
  UCR77764  Atriplex rosea Steve Boyd 1991-7-13 6411 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  RSA653333  Atriplex serenana Mitch Provance 2000-9-28 2266 Riverside Riverside: N side fo Latham St., about 1/8 mile W of intersection with Keats Dr., 34 deg 00' 12.2'' N, 117 deg 21' 55.4'' W. 245 Comment
  UCD97827  Atriplex serenana A. C. Sanders; K. C. Rose 1999-6-18 22830 Riverside Domenigoni Valley; upper Warm Springs Creek between Hwy 79 (Winchester Road) and Scott Road, Domenigoni Ranch, South of Winchester. 433 Comment
  JOTR32848  Baccharis brachyphylla La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1169 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky slopes 946 Comment
  RSA339678  Baccharis brachyphylla R. F. Thorne 1980-5-28 54214 A Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA664941  Baccharis brachyphylla J. C. Roos 1963-10-19 s.n. Riverside San Bernardino Mtns. Whitewater Wash near Painted Hill. 581 Comment
  SD247312  Baccharis brachyphylla Andy Sanders 2015-9-11 41870 Riverside Sonoran (Colorado) Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Road. 646 Comment
  UCR262332  Baccharis brachyphylla Duncan S. Bell 2013-9-29 6045 Riverside Colorado (Sonoran) Desert, Chuckwalla Mountains, south side of Corn Springs, Wash, c. 1.8 air mi southwest of Corn Springs 648 Comment
  RSA192011  Baccharis salicifolia E. W. Lathrop 1959-4-1 4379 b Riverside 18 mi SW of Elsinore & Tenaja Guard Station, Cleveland Natl Forest, Tenaja Cyn. Comment
  UCR21852  Baccharis salicifolia Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  UCR241253  Baccharis salicifolia T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1205 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  UC1287079  Baccharis salicifolia subsp. salicifolia C. L. Hitchcock 1966-3-15 24159 Riverside 3 mi e Glen Ivy Hot Springs Comment
  CAS-BOT-BC106631  Baccharis salicina Lewis S. Rose 1945-12-23 45302 Riverside Palm Springs - Colorado Desert 137 Comment
  RSA588674  Baccharis sergiloides Darin L. Banks, Steve Boyd 1995-10-26 0831 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, at the large grassland area along the upper trail. Approximately 1.6 miles from the Wilderness boundary. 939 Comment
  UCR150654  Baccharis sergiloides Bern Schwenn 1994-10-30 s.n. Riverside Mojave Desert, Little San Bernardino Mtns, side canyon on W side of Long Canyon 915 Comment
  RSA0094095  Bahia dissecta Duncan S. Bell, Evan Meyer, Sonia Pena 2015-10-20 8721 Riverside Santa Rosa Mountains; approximately 0.4 air mile southeast of the summit of Santa Rosa Mountain. 2410 Comment
  RSA342557  Bahiopsis parishii R. F. Thorne, W. A. Tilforth 1980-5-28 54207 Riverside San Bernardino Mtns: Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA700064  Bahiopsis parishii Scott D. White, Michael Honer 2003-4-25 9095 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  SBBG36536  Bahiopsis parishii H. and M. Dearing 1936-12-26 2362 Riverside Palms to Pines Hwy 914 Comment
  SD129625  Bahiopsis parishii A. C. Sanders 1989-9-19 9504 Riverside Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabaseca Target 680 Comment
  RSA21759  Baileya pauciradiata C. B. Wolf 1937-4-6 8431 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
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Sep 23 2011
  SEINET2047551 Image available Baileya pauciradiata Shirley Hill 1963-3-13 630313 Riverside 500 yards down desert wash on Vista Chino St., Palm Springs Comment
  UC665848  Baileya pauciradiata Ira L. Wiggins 1941-3-24 9571 Riverside 0.3 mi s, 4.6 mi n of Indio Myoma Comment
  UCR20768  Baileya pauciradiata A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 01312 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
  UC665909  Baileya pleniradiata Ira L. Wiggins 1941-3-27 9684 Riverside 8 mi ne of, s end of Coxcomb Mountains Desert Center; Coxcomb Mountains Comment
  SEINET10859302  Baileya pleniradiata Billy Joe Cox 1975-4-23 Cox 4142 Riverside 1-3 km W, (ca. 32 mi. s of Blythe); creosote desert scrub; sand and gravelly entisols. Riverside-Imperial 70 Comment
  UC164871  Baileya pleniradiata S. B. Parish 1902-6-30 8093 Riverside Juniper Valley Comment
  UCR110429  Bassia hyssopifolia A. C. Sanders, Mitch Provance 1999-9-26 23130 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  POM248436  Bassia hyssopifolia Philip Crow 1939-7-11 s.n. Riverside Blythe. Comment
  RSA342538  Bebbia juncea R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54019 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  RSA480024  Bebbia juncea Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2151 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA772537  Bebbia juncea Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4437 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
  CAS-BOT-BC100118  Bebbia juncea var. aspera Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13263 Riverside Divide betw. Little Maria and Big Maria Mts., 1/2 mi. S of Styx siding near Midland (Rice-Blythe road) Comment
  JOTR34039  Bebbia juncea var. aspera La Doux, Tasha, M. Harding 2010-4-7 2922 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
  RSA0092855  Bergia texana D. E. Bramlet 2005-7-13 3893 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds. 433 Comment
  RSA662539  Bergia texana J. C. Roos 1952-5-28 5730 Riverside San Jacinto River bottomland 1 mile south-east of Perris. 427 Comment
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May 15 2016
  UCR89595  Bernardia myricifolia Bern Schwenn 1994-5-14 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well, along old road/trail c. 100 yards north of well site 1021 Comment
  RSA621893  Berula erecta Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3555 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  RSA192330  Blennosperma nanum E. W. Lathrop 1966-4-24 6203 Riverside 4 miles W of Murrieta Comment
  UCR180110  Bloomeria crocea Mitch Provance 2003-4-26 9883 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
  SBBG72282  Boechera pendulocarpa R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2363 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
  SEINET7048152  Boerhavia coccinea Steven R. Hill 2001-5-3 33653 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UCR83433  Boerhavia triquetra A. C. Sanders, P. J. MacKay, L. Lubinsky 1994-10-30 15854 Riverside San Bernardino Mtns., Whitewater River Canyon between Red Dome & Stills Landing, SE of VABM Paw (2988 ft.) 854 Comment
  JOTR32597  Boerhavia triquetra var. intermedia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2665 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  UC851715  Boerhavia wrightii C. Epling and Wm. Stewart 1936-9-1 Riverside Desert Center Comment
  UCR43414  Boerhavia wrightii R. F. Thorne, R. Dahlgren 1979-8-22 53572 Riverside Joshua Tree National Monument, just south of San Bernardino Co. line near jct of road to Split Rock and 29 Palms, valley west of Pinto Mtns. 1098 Comment
  PASA1886  Boisduvalia glabella Frank W. Peirson 1922-5-19 Riverside Menifee Valley 426 Comment
  UCR130149  Bolboschoenus maritimus subsp. paludosus Carl Epling, Joseph A. Ewan 1933-1 s.n. Riverside South shore of Lake Elsinore 378 Comment
  SD152998  Bothriochloa barbinodis Steve Boyd, Tim Ross 1992-2-26 6697 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness, from Fisherman's camp downstream to confluence with Bluewater Canyon 1000 Comment
  UCD56822  Bothriochloa ischaemum Oscar F. Clarke 1967-7-6 C 670706 1 Riverside Adventive in Alta Fescue Pasture at Spruce St.,Riverside. Comment
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Apr 8 2009
  OBI29473  Bouteloua aristidoides David J. Keil, Melissa Luckow 1979-8-31 13151 Riverside Jctn of Box Cyn rd and I-10, just S of exit ramp at wash crossing Comment
  RSA0093776  Bouteloua aristidoides Duncan S. Bell 2015-9-30 8678 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA659621  Bouteloua aristidoides J. C. Roos 1965-9-5 s.n. Riverside Desert center. Comment
  UCD56839  Bouteloua aristidoides Geoffrey Levin 1976-10-17 1177 Riverside About 11 miles east of Mecca. Box Canyon. Mecca Hills. Salton Sea Basin. 91 Comment
  RSA190623  Bouteloua barbata L. B. Ziegler 1967-10-10 s.n. Riverside Hemet Valley, San Jacinto Mountians. 1402 Comment
  RSA792555  Bouteloua barbata Duncan S. Bell 2012-9-13 4182 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  SD137928  Bowlesia incana Darin L. Banks, Steve Boyd 1995-3-16 103 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; east of the Dripping Springs Alcove, north slope of Wildhorse Peak, on Wildhorse Trail 609 Comment
  UCR241789  Bowlesia incana A. C. Sanders, Timothy W. Chumley 2013-3-29 40714 Riverside Peninsular Range; Elsinore Area, Alberhill, Lake St. near bridge over Temescal Wash between Temescal Canyon Rd. and I-15 Fwy 380 Comment
  POM9226  Bowlesia incana I. M. Johnston 1920-5-8 2263 Riverside Box Springs Grade Comment
  RSA787121  Brachychiton populneum Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49546 Riverside Santa Ana Mountains: along Ortega Highway (74), about 2 miles SSW of El Cariso Comment
  OBI26116  Brandegea bigelovii David J. Keil 1976-12-12 11921 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  RSA394239  Brandegea bigelovii Christopher Davidson 1979-4-4 7722 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  UCR86214  Brandegea bigelovii A. C. Sanders 1995-5-23 17116 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  UCSB16265  Brandegea bigelovii Winn, Will 1963-5-5 Riverside 12.7 miles NE of Pinyon Flats Campground on State Highway 74 304 Comment
  UCR176768  Brassica geniculata G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  CLARK-A1656-707  Brassica tournefortii Theo Glenn 1979-2-16 Riverside San Jacinto Mountains 335 Comment
  RSA483138  Brassica tournefortii Christopher Davidson, B. Gustafson 1977-4-7 5573 Riverside White water Canyon Rd., exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62. Near start of Angeles Crest Trail. 610 Comment
  RSA703413  Brassica tournefortii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1431 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33 deg 37'32N, 115 deg 19'35W: UTM 3721895N, 655238E to 33 deg 36'52N, 115 deg 19'54: UTM 3720669N, 654757E. 480 Comment
  RSA772848  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4843 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  RSA783015  Brassica tournefortii J. Andre 2011-2-2 16204 Riverside West of Palm Springs alon Hwy 111 (south side) at base of San jacinto Mtns at Windy Point approx. 5.5 mi from Jct with I-10 259 Comment
  UCR165821  Brassica tournefortii John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR251653  Brassica tournefortii Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 984 Riverside Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UC86159  Brickellia atractyloides S. B. and W. F. Parish 1882-1-1 1210 Riverside Agua Caliente Comment
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Nov 24 2011
  UCR23270  Brickellia desertorum John C. Roos, L. Roos 1950-10-28 5020 Riverside Perris-Aguanga basin region, N base Mt. Russell, 1 mi SE of Moreno 550 Comment
  RSA94115  Brickellia incana F. W. Peirson 1928-4-23 7889 Riverside 2.5 miles below cottonwood Springs, Riverside County Comment
  UCR88420  Brodiaea filifolia D. E. Bramlet 1995-5-24 2426 Riverside San Jacinto Wildlife Area: Lovell Unit, c. 1.7 km NE of Lakeview. 152 m east of Davis Rd. and 34 m south of the existing access road, 200 m N of the San Jacinto River channel 436 Comment
  RSA522268  Bromus berteroanus Steve Boyd, D. E. Bramlet, Harry Spilman 1989-4-30 3514 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
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Mar 22 2011
  RSA605203  Bromus berteroanus A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16168 Riverside Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 miles above Hwy 111 (Palm Canyon Dr.) 490 Comment
  SEINET191889 Image available Bromus berteroanus C. L. Hitchcock 1940-4-2 5924 Riverside Joshua Tree National Monument ; Cottonwood springs wash Comment
  RSA571309  Bromus carinatus var. carinatus Steve Boyd, D. L. Banks 1994-4-5 8257 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  UC37740  Bromus catharticus H. M. Hall August 1899 1365 Riverside Riverside; Southern California, Riverside Comment
  UCD58397  Bromus catharticus C. R. Hursh 1919-11-30 s.n. Riverside One mile north of Riverside. Comment
  UCR43418  Bromus catharticus B. G. Pitzer 1986-5-24 250 Riverside San Bernardino Mtns, Whitewater Canyon, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to c. 1/4 mi north of hatchery boundary 732 Comment
  SEINET10658417  Bromus diandrus Nye Leith, Greg Gust 2005-3-11 Nye 58 Riverside Lake Elsinore. Intersection of Diamond Circle and Malaga Rd. Off Mission Trail Rd. 399 Comment
  UCR230926  Bromus diandrus T. B. Salvato, Richard Camacho 2011-6-12 5479 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
  UCR91443  Bromus diandrus Scott D. White 1995-3-30 2631 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  POM47175  Bromus diandrus Mary F. Spencer 1920-4-5 1546 Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA595257  Bromus diandrus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 957 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  RSA740616  Bromus grandis Scott D. White, Justin M. Wood 2008-6-19 12254 Riverside USFS Rd (5S08) between Keen Camp Summit and Baldy Mtn. 1524 Comment
  UCD58931  Bromus laevipes A. A. Beetle 1946-6-10 4392 Riverside San Jacinto Mt., San Jacinto Mts. Near Idylewilde. 1219 Comment
  CLARK-A1528-4547  Bromus orcuttianus John C. Roos 1942-6-20 994 Riverside San Jacinto Mountains Comment
  SEINET3923287  Bromus rubens D. Atwood 1993-3-27 17691 Riverside Sandy benches above and adjacent to coast. Corona Del Mar State Park along Newport coast Drive.; 0 Comment
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Jul 20 2015
  UCR2243  Bromus rubens F. M. Reed 1907-6-16 1404 Riverside South Coast; San Bernardino Valley, Riverside, upper south fork of Arroyo Tequesquite 457 Comment
  POM363955  Bromus rubens N. C. Cooper 1944-4-8 1082 Riverside Andreas Canyon 305 Comment
  JOTR37492  Bromus tectorum Hodges, Stephen R. 2016-4-6 621 Riverside Joshua Tree National Park. Quail Mountain Complex, In winding wash ascending towards Quail Mountain and Minerva Hoyt peak from Johnny Lang Canyon Comment
  UCR243571  Bromus tectorum Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21107 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  UCR214117  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37747 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 436 Comment
  UCR119269  Caesalpinia gilliesii Mitch Provance 1998-6-24 746 Riverside Jurupa Mountains, Glen Avon Heights, area north of the end of Lindsay St. 253 Comment
  JOTR31771  Caesalpinia virgata Andre, Jim, Tasha La Doux 2009-3-10 11238 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  RSA172310  Caesalpinia virgata R. F. Thorne 1963-3-29 32373 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  RSA405292  Caesalpinia virgata Christopher Davidson, J. Jones 1980-4-4 9954 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
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Sep 17 2011
  UC667278  Caesalpinia virgata Annie M. Alexander and Louise Kellogg 1941-5-17 2192 Riverside near Dos Palmas; Colorado Desert Comment
  RSA342515  Calandrinia ciliata R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 52008 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA561786  Calandrinia ciliata Steve Boyd 1992-4-14 6842 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  RSA593981  Callistemon citrinus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 956 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
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Jun 5 2006
  CAS-BOT-BC85770  Calocedrus decurrens Winifern W. Swarth 1914-9-8 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  SD229032  Calocedrus decurrens Dick Schwenkmeyer 2012-8-27 804 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  UCR112404  Calochortus A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23459 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
  RSA377349  Calochortus concolor Russell S. Woglum 1941-6-13 3072 Riverside Pines to Palms Road, Santa Rosa Mountains. Comment
  RSA377389  Calochortus concolor N. C. Cooper 1944-7-16 1386 Riverside San Jacinto Mountains. West side. 1220 Comment
  UCR201622  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-16 12129 Riverside San Jacinto Mountains, Fobes Ranch Road north of Quinn Flat 1463 Comment
  RSA773589  Calochortus invenustus Duncan S. Bell, J. D. England 2010-6-14 1301 Riverside San Bernardino National Forest: Garner Valley, just west of Highway 74 approximately 2.5 miles southeast of junction of forest service road 6S04 and forest service road 6S13., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1367 Comment
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May 26 2014
  CAS-BOT-BC132460  Calochortus plummerae Marcus E. Jones 1926-6-20 s.n. Riverside Near [Bannnig] Banning Comment
  RSA692245  Calochortus splendens Scott D. White, Michael Honer 2003-5-27 9405 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  SEINET4169992  Calochortus splendens Unknown 1979-5-19 Riverside Box Springs Mountains, Reche Canyon, 5.3 mi N. W. of Moreno 610 Comment
  UCR167665  Calochortus splendens Ian G. Gillespie, Abby Sirulnik 2000-5-7 31 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  RSA0063080  Calochortus splendens Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 0927 B Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UC63832  Calochortus weedii H. M. Hall 1895-6-9 Riverside Temescal Comment
  UCR128310  Calochortus weedii var. intermedius Scott D. White, Michael Honer 2003-6-17 9548 Riverside S Perris Basin, Murrieta. Interstate 215 / Clinton Keith interchange 457 Comment
  JOTR30966  Calyptridium monandrum La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1941 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UCR127353  Calyptridium monandrum A. C. Sanders, D. Malueg 2003-5-8 26574 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UCR35073  Calyptridium monandrum L. B. Ziegler 1969-5-27 365 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  UCR87653  Calyptridium monandrum A. C. Sanders 1994-5-29 14578 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  RSA466601  Calyptridium parryi var. parryi H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto Mountains Comment
  RSA719788  Calyptridium parryi var. parryi Naomi Fraga, John McDonald, Michael Wall 2006-11-16 1875 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  SD135302  Calyptridium parryi var. parryi Craig Reiser, Dylan Hannon 1993-5-30 Riverside N side of Santa Rosa Peak Comment
  CHSC110692  Calystegia longipes Dean Wm. Taylor 2003-5-7 18542 Riverside 1 mi. SE of Steele Peak, 0.4 miles NNW of Good Hope Mine, under electrical transmission line corridor. 579 Comment
  CLARK-A1528-7874  Calystegia longipes John C. Roos 1952-6-8 5747 Riverside Reche Canyon 579 Comment
  CAS-BOT-BC221308  Calystegia macrostegia subsp. intermedia Scott D. White 1996-4-14 3919 Riverside Perris Basin. E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  RSA192220  Calystegia macrostegia subsp. tenuifolia E. W. Lathrop 1959-4-2 4421 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range. Comment
  UC1123622  Calystegia macrostegia subsp. tenuifolia R. St. John 1931-1-29 179 Riverside Elsinore , Plot 52 (Plot 52) Comment
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Nov 25 2010
  UCR241182  Camissonia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 10 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  CSUSB171  Camissonia bistorta Eric Trubschenck 1972-5-8 10 Riverside 12 miles east of Riverside, one mile south of intersection of Alessandro Blvd. and Wilnot Street. Canyon north-running in east-to-west granite hills. 365 Comment
  RSA0039801  Camissonia bistorta Scott D. White, Tasha LaDoux 2000-4-20 7685 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  SEINET7063447  Camissonia bistorta A. G. Vestal 1947-3-30 s.n. Riverside Intersection 5 miles south of Winchester on the Winchester Road (Route 79) at French Valley. UTM Zone 11, 492195mE, 3722513mN. (WGS84/NAD83). 460 Comment
  UCR121187  Camissonia bistorta D. E. Bramlet 1997-3-13 2486 Riverside Perris-Aguanga Basin region, Lake Skinner Co. Park, knoll at NE end of the Equestrian Trail, 1,600 ft. (~0.3 mi.) north of Tucalota Creek and 5,400 ft. (~ 1 mi.) east of Lake Skinner. 500 Comment
  UCR234253  Camissonia bistorta A. C. Sanders 2012-4-12 40022 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 314 Comment
  SEINET3093095 Image available Camissonia boothii R. G. Engard, T. Caldwell 1978-4-6 S.N. Riverside 10 miles west of Blythe Comment
  RSA75404  Camissonia boothii subsp. condensata F. W. Peirson 1922-4-9 s.n. Riverside Palm Canyon Region, near Palm Springs. Comment
  CLARK-A1528-5708  Camissonia brevipes John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA98793  Camissonia brevipes subsp. brevipes P. A. Munz 1926-1-31 9949 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA550039  Camissonia californica Walter Wisura, A. King, L. Newcomb 1992-4-10 4668 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  UCR120929  Camissonia californica A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24928 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR172716  Camissonia californica Jun Hu 2000-5-11 21 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  UCR225712  Camissonia californica A. C. Sanders 2011-3-30 38915 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  RSA454740  Camissonia cardiophylla N. C. Cooper 1944-5-20 2630 Riverside Palms to Pines Hwy., San Jacinto Mtns. 305 Comment
  CLARK-A1528-3323  Camissonia chamaenerioides John C. Roos 1966-3-26 Riverside Chuckwalla Mountains Comment
  UCR134591  Camissonia claviformis Marisa Sripracha, Kyle Boyd 2004-2-14 007 Riverside Sonoran (Colorado) Desert, Snow Creek, 25 m from Snow Creek Road, 0.7 km south of Hwy 111 352 Comment
  POM200899  Camissonia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-27 3032 Riverside Palm Springs. 152 Comment
  RSA21753  Camissonia claviformis subsp. aurantiaca Carl B. Wolf 1937-4-6 8425 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA278986  Camissonia claviformis subsp. aurantiaca Barry A. Prigge, L. Martinez 1978-3-23 2435 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  POM157903  Camissonia hirtella P. A. Munz 1927-5-20 10818 Riverside 10 miles south of Hemet. Comment
  RSA702748  Camissonia hirtella Scott D. White, Michael Honer 2004-4-6 10040 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UCR108826  Camissonia hirtella Heidi A. Haid 1969-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR93034  Camissonia hirtella Steve Boyd 1986-4-22 1759 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA500993  Camissonia ignota Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3112 Riverside Vail Lake area, at N base of rounded knob 1.25 mi WSW of dam. 610 Comment
  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
  RSA736315  Camissonia intermedia Scott D. White, Justin M. Wood 2008-3-25 11778 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UCR95458  Camissonia intermedia D. L. Banks, E. H. Banks, J. B. Hedge 1996-6-6 1118 Riverside NW Palomar Mtns, Agua Tibia Mtns: NW foothills of Dorland Mtn; S end of Los Caballos Road, UC Emerson Reserve, SW side of the Water Storage tank. 100 m north of the road jct between main preserve road and the road to the Emersn Cottage 457 Comment
  RSA543896  Camissonia micrantha Steve Boyd 1991-5-20 6273 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  SEINET3093305 Image available Camissonia pallida George K. Helmkamp 1986-4-7 756 Riverside Vicinity of Big Morongo Valley; just E of and parallel to Hwy 62, above Indian Ave. 579 Comment
  JOTR37470  Camissonia pallida subsp. pallida Hodges, Stephen, T. Green 2016-5-24 592 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; ascending up wash and slopes towards Mount Minerva Hoyt peak from the east (Stop 2). Comment
  RSA314655  Camissonia pallida subsp. pallida Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55416 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA162861  Camissonia strigulosa J. D. Olmsted 1959-4-10 348 Riverside Along Hwy. 60-99 [Hwy 10] near Cabazon; Mt. Range: San Gorgonio Pass; Drainage area: Whitewater River. 671 Comment
  UCR178015  Camissonia strigulosa Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 022 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  OBI2635  Camissoniopsis Dieter H. Wilken 1965-6-29 302 Riverside Along County Rte 1 about 3 mi S of Banning, San Jacinto Mts 914 Comment
  UCR275508  Camissoniopsis D. E. Bramlet 2012-4-9 4998 Riverside San Gorgonio Pass, Banning, open fields south of Westward Ave. and east of Sunset Ave., west of 22nd St. 732 Comment
  UCR166100  Camissoniopsis pallida subsp. hallii A. C. Sanders 1995-4-13 16511 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
  UCR243519  Camissoniopsis pallida subsp. hallii Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21090 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  CHSC26018  Camissoniopsis pallida subsp. pallida Dieter H. Wilken 1965-6-29 302 Riverside Along County Route 1, about 3 miles south of Banning, San Jacinto Mtns. 914 Comment
  UCD103600  Camissoniopsis pallida subsp. pallida R. L. Smith 1948-3-24 s.n. Riverside Foot of Andreas Canyon. Comment
  UCR277745  Cardamine Mitch Provance 2011-7-29 17039 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  RSA788094  Carex barbarae Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49554 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UCR92649  Carex barbarae F. M. Reed 1930-3-7 6770 Riverside San Jacinto Mountains, cienega in Indian [Creek] Canyon, NE of San Jacinto. 762 Comment
  UCR110982  Carex fracta George K. Helmkamp 1998-6-27 4123 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
  RSA572422  Carex globosa Christopher Davidson 1977-5-18 5621 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1219 Comment
  RSA752878  Carex jonesii Orlando Mistretta 2009-7-10 4000 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
  POM319473  Carex multicaulis Patricia Wilder 1968-7-5 4326 Riverside Idyllwild. San Jacinto Mountains, Strawberry-Little Tahquitz Creek Drainage Area. 1889 Comment
  RSA364666  Carex nebrascensis M. B. Dunkle 1933-7-22 3743 Riverside Tahquitz Valley. 2317 Comment
  RSA515340  Carex praegracilis Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau; S of town of Murrieta, on S side of Mesa de Burro. 549 Comment
  UCR264641  Carex praegracilis Mitch Provance 2013-4-8 413- 01 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA249848  Carex sartwelliana Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38116 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  SD181802  Carex triquetra Scott D. White, Sandy Leatherman 2000-5-31 7974 Riverside Santa Ana Mountains/ Santa Rosa Plateau: Near Squaw Mountain. 640 Comment
  UCD110245  Carya illinoinensis A. C. Sanders; T. B. Salvato 2003-5-21 26778 Riverside Temescal Valley: Lawson Drive near Glen Ivy, in a wetland reserve area for the Trilogy development. 335 Comment
  RSA516557  Castilleja affinis R. C. Bacigalupi, J. F. MacBride, Ruth D. Sanderson, C. Leroy Custer 1952-3-30 3550 Riverside On west-facing gentle hillslope among sparse chaparral, along Calif. Highway No. 71. between Wildomar and Murrieta, 2.6 mi. N. of Murrieta, 396 Comment
  RSA507965  Castilleja applegatei subsp. martinii Steve D. Boyd, C. Boyd, R. Noyes, L. Arnseth 1988-5-28 2283 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA769776  Castilleja exserta Duncan S. Bell, Joy D. England 2010-5-17 1009 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.75 air mile southeast of junction of Highway 74 and forest service road 5S15. 759 Comment
  RSA593380  Castilleja foliolosa Scott D. White 1996-7-23 4361 Riverside Pinyon Flat Area: N of Hwy 74, ca. 10 road miles E of jct. w/Hwy 371. W facing slope of Sugarloaf Mtn. and adjacent valley. 1250 Comment
  RSA711768  Castilleja foliolosa T. B. Salvato, John Green 2004-5-27 633 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
  SEINET3079690 Image available Castilleja foliolosa B. Pitzer 1986-4-26 181 Riverside San Bernardino Mtns.; Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  UCR100096  Castilleja foliolosa R. G. Swinney 1967-3-5 0671 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  LA209248  Castilleja miniata Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, trail to Round Valley from Hidden Lake Comment
  SEINET10865310  Castilleja miniata David B. Dunn 1946-8-17 Dunn 2705 Riverside Dry soil, trail to taquity from taquity valley campground, on dry hillside among bracken fern. San jacinto mtns. Comment
  RSA526169  Castilleja minor subsp. spiralis Steve D. Boyd, Tim S. Ross 1990-5-11 4672 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA248730  Caulanthus cooperi Christopher Davidson 1973-4-19 1993 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  UCR279356  Caulanthus lasiophyllus A. C. Sanders, Jim Malusa 2017-3-23 42920 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UCR241842  Caulanthus lasiophyllus var. rigidus A. C. Sanders, Timothy W. Chumley 2013-3-29 40719 Riverside Peninsular Range; Elsinore Valley, Baker St. between Elsinore and Alberhill, near road to water tank, 0.83 km NW of Riverside Dr./Hwy 74 412 Comment
  UC1594218  Ceanothus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3018 Riverside 1 mi W of Vail Lake 609 Comment
  RSA343087  Ceanothus crassifolius Robert F. Thorne, Walter Wisura, E. W. Lathrop 1985-5-18 60628 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  RSA577527  Ceanothus crassifolius D. L. Banks, S. D. Boyd 1995-2-16 52 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 976 Comment
  RSA606777  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27354 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  SBBG105059  Ceanothus crassifolius var. crassifolius S. Boyd with T. Ross 1993-3-23 Riverside Palomar Range S of Vail Lake, N base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Rd Comment
  SEINET3836781 Image available Ceanothus cuneatus I. W. Clokey, E. C. Anderson 1935-4-16 6733 Riverside East of Hemet 560 Comment
  RSA783161  Ceanothus greggii var. perplexans J. D. Olmsted 1962-5-3 3502 Riverside S of southern Quercus Keloggii population on Thomas Mt. 1616 Comment
  UC527223  Ceanothus greggii var. perplexans C. B. Wolf 1931-5-11 Riverside above Hemet Valley (near Pipe Creek.); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  OBI78290  Ceanothus integerrimus Carl B. Wolf 1941-8-15 11155 Riverside Santa Ana Mts Santiago Peak, N side 1/2 mi from summit Comment
  RSA263736  Ceanothus integerrimus var. puberulus E. W. Lathrop 1968-5-22 6919 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  UCR166154  Ceanothus leucodermis T. B. Salvato, John F. Green 2004-5-27 560 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCSB3916  Ceanothus leucodermis Kamb, Peter 1948-7-4 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  CAS-BOT-BC51646  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-28 7913 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 883 Comment
  CAS-BOT-BC51649  Ceanothus ophiochilus Steve Boyd; Tim Ross; Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area, 1 mi W of lake 700 Comment
  RSA570235  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7909 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
  RSA606749  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27401 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  RSA0120442  Ceanothus perplexans Duncan S. Bell, LeRoy Gross 2016-5-18 9599 Riverside Santa Rosa Mountains; west side of Martinez Mountain; along the Cactus Spring Trail where it crosses Horsethief Creek. 1050 Comment
  SEINET13946084 Image available Ceanothus sorediatus Dave Hawks 1987-1 s.n. Riverside S. of Hemet, intersection of Palm Ave. and Saddle Ridge Trail. 472 Comment
  LA212136  Ceanothus tomentosus Fred Schumacher; 1935-3-28 s.n. Riverside 4 mi. N of Beaumont. Comment
  SEINET13946104 Image available Ceanothus tomentosus Lewis S. Rose 1949-1 49073 Riverside 2 mi. south of Temecula 366 Comment
  RSA0057839  Cenchrus ciliaris J. C. Roos 1965-10-17 Riverside Along the roadside, 20 miles west of Blythe. Comment
  CAS-BOT-BC277181  Centaurea X pouzinii John Thomas Howell 1952-10-24 28864 Riverside Fuller Ranch near Corona Comment
  RSA525287  Centaurea melitensis Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4600 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA709641  Centaurea repens Chris E. True, Laurel Salzman 2004-7-16 s.n. Riverside San Timoteo Canyon, 3.2 miles SE of Redlands Blvd., across road from historic schoolhouse, between RR tracks and creek. NE of El Casco Lakes. 579 Comment
  UCR143377  Centaurium venustum C. B. Wolf 1932-8-6 3994 Riverside San Jacinto Mountains, 2.9 mi from Idyllwild on the [control] road to Hemet 1220 Comment
  RSA0086790  Centromadia pungens subsp. laevis D. E. Bramlet 2005-7-13 3904 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: Bloome Parcel, 2550 ft north of San Jacinto River, 1580 ft south of South Contour Rd., 4700 ft east of Mystic Lake Duck Club. 433 Comment
  SD262184  Centromadia pungens subsp. laevis Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 18 Riverside Elsinore Trough: Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, A+- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  RSA0087147  Centromadia pungens subsp. laevis F. W. Peirson 1924-6-21 4762 Riverside Near Temecula. 335 Comment
  SD237331  Centromadia pungens subsp. pungens Jeremiah George 2011-8-9 Riverside Peninsular Range; Perris-Aguanga Basin Region: Moreno Valley, NW corner of Indian St. and Nandina Ave. 449 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
  POM308638  Cercidium floridum Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3211 Riverside Near Desert Center. Comment
  RSA405367  Cercidium floridum Anstruther Davidson 1903-5-3 s.n Riverside Thermal. Comment
  SEINET10738002  Cercidium microphyllum J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12861 Riverside Joshua Tree National Park; along road between Twenty-nine Palms and southern exit to I-10; ca 25 km north of Cottonwood Pass. Comment
  OBI5880  Cercocarpus betuloides Carl B. Wolf 1931-5-11 1950 Riverside Above Hemet Valley, San Jacinto Mts 1695 Comment
  UCR35158  Cercocarpus betuloides L. B. Ziegler 1972-4-8 446 Riverside San Jacinto Mtns, S side of Thomas Mtn 1829 Comment
  UCR91601  Cercocarpus betuloides var. betuloides D. L. Banks, Steve Boyd 1995-3-16 0109 Riverside Cleveland National Forest; Agua Tibia Wilderness Area. east of the Dripping Springs Alcove, north of Wildhorse Peak, on the Wildhorse Trail 625 Comment
  CSUSB1368  Cercocarpus minutiflorus Oscar F. Clarke, Andrew C. Sanders, D. Vossler 1975-7-23 Riverside Santa Ana Mountains Santa Ana Mountains, west of Murrieta on the side of a canyon along Tenaja Road, at elevation 1800 feet (just below Mesa De Burro). 548 Comment
  OBI26124  Chaenactis carphoclinia David J. Keil 1976-12-12 11922 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  POM66298  Chaenactis carphoclinia var. carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA796499  Chaenactis carphoclinia var. carphoclinia J. Andre 2012-3-19 21341 Riverside Chuckwalla Valley. Along unnamed dirt road 0.3 mi N of Hwy 177, 5.7 mi NE of Jct with I-10 freeway. 157 Comment
  UC1044698  Chaenactis carphoclinia var. carphoclinia Alice Yates and Jas. E. Wilcox 1952-4-5 9 Riverside between Desert Hot Springs and Bridge of Canal 152 Comment
  UC310585  Chaenactis carphoclinia var. carphoclinia Philip A. Munz 1926-1-31 9953 Riverside Dos Palmas Colorado Desert, Dos Palmas Comment
  UC69024  Chaenactis carphoclinia var. carphoclinia H. M. Hall 1905-4-1 5847 Riverside Canon Springs Colorado Desert, Canon Springs Comment
  UC894417  Chaenactis carphoclinia var. carphoclinia C. L. Hitchcock 1941-4-4 5948 a Riverside Pinto Basin Comment
  UCR52236  Chaenactis carphoclinia var. carphoclinia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2148 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  CAS-BOT-BC276914  Chaenactis fremontii L. R. Abrams 1926-3-27 11123 Riverside Near Whitewater Comment
  CAS-BOT-BC276924  Chaenactis fremontii Ira L. Wiggins 1941-3-27 9700 Riverside Slopes 4 miles N of Whitewater Comment
  JOTR28935  Chaenactis fremontii La Doux, Tasha 2005-3-30 1171 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM8405  Chaenactis fremontii Mary F. Spencer 1920-4-9 557 Riverside In desert sand. Palm Springs. 122 Comment
  UCR204226  Chaenactis fremontii Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1084 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  UCR87661  Chaenactis fremontii A. C. Sanders 1994-5-29 14563 Riverside San Bernardino Mtns, Millard Canyon, at stream crossing just below site of Millard Station on Forest Service Road 2S05 1100 Comment
  UCR90163  Chaenactis fremontii R. W. Scora 1966-4-1 3010 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  UCR133958  Chaenactis glabriuscula Mitch Provance, J. S. Ross 1998-3-27 MOR- 968 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  UCR59522  Chaenactis glabriuscula Steve Boyd, T. Ross, L. Arnseth 1989-6-4 3608 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  UCSB6427  Chaenactis glabriuscula Waian, Lee 1960-5-14 Riverside San Jacinto Mtns.; 8 miles from Banning on road to Idyllwild 1066 Comment
  RSA500563  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3608 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  UC63259  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1904-5-16 4947 Riverside vicinity of Riverside; , Fairmount Park 243 Comment
  UCD130386  Chaenactis glabriuscula var. glabriuscula J. C. Roos 1937-4-18 s.n. Riverside Cabazon. Comment
  UCR218073  Chaenactis glabriuscula var. glabriuscula Steve Boyd 2010-5-26 12279 Riverside Santa Ana Mountains, Elsinore Peak, southeast of peak, north of trail along ''old Main Divide Road'' east of road up to communications towers, near concrete wildlife drinker. 1040 Comment
  RSA711221  Chaenactis glabriuscula var. lanosa A. C. Sanders 2004-4-9 27470 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side. 473 Comment
  LA203101  Chaenactis parishii Elizabeth McClintock; 1940-5-19 sn Riverside about 2 mi. from Pines to Palms Highway on Santa Rosa Mt. Road Comment
  UCR34890  Chaenactis parishii L. B. Ziegler 1967-7-5 173 Riverside San Jacinto Mtns., south slope of Thomas Mountain 1616 Comment
  RSA779693  Chaenactis stevioides Duncan S. Bell 2010-4-2 704 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
  UC667274  Chaenactis stevioides Annie M. Alexander and Louise Kellogg 1941-5-11 2149 Riverside 1.5 mi n of Cottonwood Spring; Colorado Desert, Eagle Mountains, Cottonwood Spring 975 Comment
  UCR17945  Chaenactis stevioides Andrew Alexis 1978-4-15 s.n. Riverside Western Colorado Desert, Painted Canyon Rd, 5 miles east of Mecca Comment
  UCR214551  Chaenactis stevioides A. C. Sanders 2010-3-15 37416 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  RSA27502  Chaenactis stevioides var. stevioides I. L. Wiggins 1941-3-27 9683 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  JOTR34147  Chaenactis xantiana La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3164 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  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
  RSA662178  Chamaesyce albomarginata Carol Zuck 1981-2-16 37 Riverside On Santa Rosa Road, 3.1 miles east of Lake Mathew Road. [Between Corona & Perris] Comment
  UC56534  Chamaesyce albomarginata E. A. Zumbro Oct., 1902 300 Riverside Riverside Comment
  JOTR30085  Chamaesyce micromera La Doux, Tasha, Bill Truesdell 2006-10-3 1723 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA0107462  Chamaesyce micromera Duncan S. Bell 2011-9-30 2940 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  JEPS52379  Chamaesyce polycarpa W. L. Jepson May 17 1901-Jun 1 1901 Riverside Palm Canyon and return to Van Deventer's Comment
  JEPS52387  Chamaesyce polycarpa Ethel Rockwell 400 Riverside northwest Colorado Desert, Edom Comment
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Sep 7 2011
  RSA747798  Chamaesyce polycarpa Scott D. White, Justin M. Wood 2009-3-24 12578 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
  UC665745  Chamaesyce polycarpa I. L. Wiggins 1941-3-26 9665 Riverside Wiley Well Comment
  RSA685685  Cheilanthes clevelandii Norman C. Cooper 1944-5-6 1193 Riverside Banning. 701 Comment
  UC199915  Cheilanthes clevelandii S. B. and W. F. Parish April, 1882 508 Riverside Potrero San Jacinto Comment
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Nov 9 2009
  JOTR35481  Cheilanthes covillei La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3169 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  CAS-BOT-BC70297  Cheilanthes newberryi E. W. Lathrop 1965-4-26 5695 Riverside 4 miles southwest of Murrieta Comment
  RSA180256  Cheilanthes newberryi E. W. Lathrop 1965-4-26 5695 Riverside 4 miles southwest of Murrieta. Comment
  RSA667021  Cheilanthes newberryi Scott D. White, Dave Bramlet 1999-4-22 7235 Riverside Ridgetop, north-, west-, and northwest facing slopes of Bachelor Mtn. 549 Comment
  CAS-BOT-BC68057  Cheilanthes parryi Annie M. Alexander; Louise Kellogg 1941-4-22 2061 Riverside Colorado Desert - White Water Canyon 548 Comment
  CAS-BOT-BC70332  Cheilanthes parryi Edmund C. Jaeger 1922-3-18 s.n. Riverside Eagle Canyon, 4 miles east of Palm Springs Comment
  RSA678351  Cheilanthes parryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10466 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
  SEINET5777365 Image available Cheilanthes parryi G. R. Vasey 1881-1 Riverside Whitewater Comment
  RSA624448  Chenopodium ambrosioides L. C. Wheeler 1932-9-4 1324 Riverside Santa Ana River at Chino Creek. 152 Comment
  CLARK-A1528-2557  Chenopodium ambrosioides var. anthelminticum John C. Roos 1952-6-10 5756 Riverside Santa Ana River 259 Comment
  SD260933  Chenopodium berlandieri Mitch Provance 2012-7-17 712 16 Riverside Beaumont Plain: Banning, south of I-10, vicinity of corner of Sunset Ave. and Westwared Ave. 740 Comment
  UCR130849  Chenopodium botrys S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  SBBG101707  Chenopodium californicum S. Boyd with T. Ross, M. Hammitt 1991-5-2 6080 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SDSU13951  Chenopodium californicum Michael G. Simpson, A. Russell, T. Linz, & C. Guilliams 2000-4-2 2068 Riverside Santa Margarita Ecological Reserve (SDSU), ca. 1/4 mile west of northern gate for Northside field station, along 'insect trail.' Ca. 3 miles northeast of Gavilan Mtn. 396 Comment
  UC1608259  Chenopodium californicum Steve Boyd and Tim Ross 1992-5-5 7235 Riverside Oak Flats Southern Santa Ana Mts., San Mateo Canyon Wilderness Area (eastern portions, along the Bluewater Trail) 731 Comment
  UC2015588  Chenopodium californicum Scott D. White 1996-3-23 3845 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet (Loomis property: Friendly Hills Ranch). Comment
  UCR115133  Chenopodium missouriense Mitch Provance 2000-10-14 2251 Riverside Santa Ana River Bluffs, Belltown/ Crestmore area, near the corner of Wilson and Holly Sts. on the W side of the Santa Ana River 268 Comment
  UCD84943  Chenopodium murale Chuck Hughes 2010-3-26 215 Riverside About 8.9 miles south of Highway 62. 328 Comment
  RSA793476  Chilopsis linearis Duncan S. Bell, Aaron Sedgwick 2012-9-13 4208 Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal., Or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  UCR178539  Chilopsis linearis R. G. Swinney 1967-5-26 146 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  JEPS9180  Chilopsis linearis subsp. arcuata W. L. Jepson 1914-5-18 5999 Riverside Pinyon Well grade Pinyon Well grade Comment
  SBBG68704  Chilopsis linearis subsp. arcuata J. E. Butner 1948-10-3 659 Riverside valley floor near Cathedral City Comment
  SEINET13310687  Chilopsis linearis subsp. arcuata A. C. Sanders, Jim Malusa 2015-9-10 41841 Riverside Sonoran (Colorado) Desert: Salt Creek Canyon near top of alluvial fan, beside Summit Rd. c. 1.15 mi. below the old train trestle. 480 Comment
  UC64371  Chilopsis linearis subsp. arcuata H. M. Hall 1896-7-7 281 Riverside Eden Comment
  UCR264246  Chilopsis linearis subsp. arcuata A. C. Sanders, Jim Malusa 2015-9-10 41841 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon near top of alluvial fan, beside Summit Rd. c. 1.15 mi. below the old train trestle 213 Comment
  SEINET7048148  Chilopsis linearis subsp. arcuata Steven R. Hill 2001-5-3 33649 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road, halfway up Chino Canyon, about 1-1.5 miles southwest of California Route 111, Palm Springs. At boundary of Palm Springs Aerial Tramway property, at entrance gate. Elevation about 1000-2000 feet. Comment
  CAS-BOT-BC217964  Chloris truncata A. C. Sanders 1997-3-26 20138 Riverside Adjacent to the Skinner entrance road, ca. 1 km NE of Borel Rd. Lake Skinner Area 472 Comment
  RSA725734  Chlorogalum parviflorum T. B. Salvato, Gregg Miller 2005-6-3 1376 Riverside ca 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and ca 0.25 mi S of Ethanac Road 436 Comment
  CAS-BOT-BC39669  Chorispora tenella A. C. Sanders 1998-3-11 21695 Riverside Shipley/Skinner Reserve area. Diamond Valley, along State Street (R3) ca. 0.5 mile north of Newport Road. South of Hemet 488 Comment
  VVC2473  Chorizanthe brevicornu Tim Thomas 2013-3-18 5944 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  CAS-BOT-BC191712  Chorizanthe brevicornu var. brevicornu Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13259 Riverside U.S. gypsum mine property in Little Maria Mts., 2.3 mi above Midland P.O. Comment
  RSA392609  Chorizanthe brevicornu var. brevicornu N. C. Cooper 1949-4-8 3240 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  UCR226855  Chorizanthe brevicornu var. brevicornu Jim Andre 2011-2-9 15921 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR26219  Chorizanthe brevicornu var. brevicornu John C. Roos 1948-4-24 3794 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  CLARK-A1528-727  Chorizanthe corrugata Charlotte Stocks 1966-4-10 Riverside Mecca Comment
  JOTR33985  Chorizanthe corrugata La Doux, Tasha, M. Harding 2010-4-7 2873 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  UCR59533  Chorizanthe fimbriata Steve Boyd, L. Arnseth, T. S. Ross 1989-6-4 3620 Riverside Vail Lake, Sandy benches of Kolb Creek drainage, south of Hwy 79 488 Comment
  UCR243124  Chorizanthe leptotheca Kate Kramer 2012-5-8 259 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  UCR22102  Chorizanthe parryi var. parryi Steve Boyd 1980-5-15 277 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UCR266278  Chorizanthe polygonoides subsp. longispina D. E. Bramlet, R. E. Riefner Jr., Ileene Anderson 2005-4-19 3809 Riverside Hills west of Hemet-Ryan Airport, west of California Ave., south of Hwy 74, north of Stowe Rd. 599 Comment
  UCR100036  Chorizanthe xanti Scott D. White 1994-4-23 2045 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR127571  Chorizanthe xanti var. leucotheca D. E. Bramlet 2003-4-18 3378 Riverside Base of San Jacinto Mtns., on spoil pile, 2,226m south of Cabazon, 2,287m northwest of Cabazon Peak, and 518m northwest of the Colorado River Aqueduct 548 Comment
  CLARK-A1528-1771  Chrysopsis villosa John C. Roos 1965-8-18 Riverside San Jacinto Mountains Comment
  UCR35829  Chrysopsis villosa var. fastigiata R. F. Thorne, Et al 1982-10-8 55400 Riverside San Bernardino Mtns, side canyon on W side of Whitewater Cyn, c. 3.3 mi. north of Whitewater Post Office. 610 Comment
  POM184189  Chrysothamnus paniculatus M. French Gilman 1932-11-30 5 Riverside Cabazon Comment
  POM243560  Chrysothamnus teretifolius E. C. Jaeger 1938-10-22 s.n. Riverside 12 miles S of Warren's Well Comment
  JEPS23428  Chylismia brevipes subsp. brevipes W. L. Jepson 1928-4-25 12609 Riverside n Mecca; Cottonwood Spr. 731 Comment
  UC1184373  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11752 Riverside along US Hwy 95 37.5 mi n Blythe (near Colorado River) Comment
  UC73288  Chylismia claviformis subsp. aurantiaca M. F. Gilman 1904-1 Riverside Banning Comment
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Mar 13 2011
  RSA509545  Cicer arietinum Jim Hitchcock 1989-4-12 s.n Riverside University of California Agricultural Operations Buildings. E of Pennsylvania Ave. Growing (as a weed) next to the buildings. Comment
  SEINET3102065  Cirsium occidentale var. californicum Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17365 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  UCR101356  Cirsium occidentale var. californicum A. C. Sanders 1997-4-10 20324 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UC1930022  Cirsium scariosum Scott D. White, Justin Wood 2008-5-15 11975 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom Comment
  RSA709866  Cistanthe ambigua Scott D. White, Jennifer H. Jones 2005-4-21 10943 Riverside Eastern Coachella Valley. Bajada beneth Mecca Hills, just east of Coachella Canal. Proposed for expanded gravel mining. 24 Comment
  CAS-BOT-BC172423  Clarkia bottae Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts., San Juan Canyon, Highway 74 60 Comment
  UC1979555  Clarkia epilobioides Darin L. Banks, Steve Boyd 1995-5-9 381 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  SEINET3093400 Image available Clarkia purpurea Scott White 1991-5-13 91 -113 Riverside Hwy 79, immediately W of U. S. Forest Service Campground at Dripping Springs. Comment
  UCR44184  Clarkia similis A. C. Sanders, B. Pitzer 1986-4-30 6476 Riverside San Jacinto Mtns., lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  CSUSB248  Clarkia unguiculata R. Thomasson 1973-6-1 Riverside On Banks Street, adjacent to Fairmount Park in city of Riverside. 289 Comment
  UCR194240  Claytonia parviflora Mitch Provance, Michael L. Fugate 2005-4-14 10052 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
  UCR241397  Claytonia parviflora T. B. Salvato 2013-3-22 7390 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  SEINET3376701  Claytonia perfoliata Norman C. Cooper 1944-5-21 1301 Riverside San Jacinto Mtns. West Side. 914 Comment
  UCD169470  Clematis pauciflora Scott D. White 1995-4-5 2735 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Street at ' T ' intersection with Central, in town of Nuevo. 487 Comment
  UCR16741  Clematis pauciflora K. T. Seng 1966-3-27 660327- 15 Riverside 0.5 miles north corner of Wood and Roberts, about 4 miles from freeway 395, Woodcrest, Riverside 488 Comment
  RSA38218  Cleome isomeris P. A. Munz 1947-4-10 11723 Riverside Shavers Well; northwest of mecca. 244 Comment
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Jul 9 2012
  RSA440806  Cleome isomeris C. Cunningham 1941-2-9 s.n. Riverside 29 Palms Junction. 366 Comment
  RSA721126  Cnicus benedictus Pomeroy 1929-5-11 s.n. Riverside Lake Elsinore Comment
  UC1281118  Coleogyne ramosissima H. E. McMinn 1937-3-5 4491 Riverside ne part Cottonwood Mts. Comment
  RSA0117455  Collinsia concolor Duncan S. Bell, Joy D. England 2010-6-4 1259 Riverside San Bernardino National Forest: Garner Valley, approximately 3.2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1430 Comment
  UC1595647  Collinsia concolor Steve Boyd, Orlando Mistretta 1991-5-22 6299 Riverside e Dorland Mtn (base of Agua Tibia Mtn, w of Kolb Crk); Vail Lake area, Agua Tibia Mtn 548 Comment
  CLARK-A1528-5722  Colubrina californica John C. Roos 1946-10-26 3138 Riverside Chuckwalla Mountains Comment
  UCR240038  Condalia globosa var. pubescens A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40512 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1.5 km NW of Augustine Rd. junction, large wash on SW side of road 727 Comment
  SBBG94914  Convolvulus arvensis E. LaRue 1990-4-10 Riverside midway between Pauba Valley and Wolf Valley, 1/2 mi N of the Pechanga Indian Reservation 365 Comment
  UCR113737  Convolvulus arvensis Mitch Provance 1998-6-6 622 A Riverside City of Riverside, NE corner of Van Buren Blvd. and Central Ave. 229 Comment
  UCR232357  Convolvulus simulans John F. Green 2008-4-17 0408- 28 Riverside Peninsular Range; Perris-Aguanga Valley, powerline route south of Perris, near McLaughlin Rd. between Murrieta Rd. and Goetz Rd. 448 Comment
  UCR84653  Conyza coulteri Scott D. White, S. Ogg 1994-4-21 1978 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  JEPS6811  Cordylanthus nevinii Carl V. Meyer 1928-7-26 528 Riverside Roach Sawmill site San Jacinto Mountains 2072 Comment
  UCR35231  Cordylanthus nevinii L. B. Ziegler 1967-8-30 229 Riverside San Jacinto Mtns., Upper Strawberry Valley under Lily Rock. 1982 Comment
  RSA412304  Cordylanthus rigidus subsp. setiger N. C. Cooper 1943-9-11 892 Riverside San Jacinto Mountians, Idlewild. 1829 Comment
  UC455558  Cordylanthus rigidus subsp. setiger I. J. Condit 1910-6-21 Riverside Strawberry Valley San Jacinto Mts. 1676 Comment
  UCD123098  Cordylanthus rigidus subsp. setiger R. N. Raynor 1941-7-28 s.n. Riverside Highway #71 between Temecula and Aguanga. Comment
  RSA757614  Coreopsis bigelovii LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4344 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
  HSC85257  Coreopsis californica Steve Boyd 1986-4-22 1746 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  UCR67362  Coreopsis californica Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3974 Riverside Peninsular Range, Vail Lake area, valley between Black Hills & Rocky Ridge 701 Comment
  UC1262274  Coreopsis californica var. californica C. W. Tilforth, J. Dourley, W. Wisura 1978-3-10 1502 Riverside 5 mi mw of Alberhill (along Hiway 71) 365 Comment
  POM356107  Corethrogyne filaginifolia Norman C. Cooper 1943-9-11 902 Riverside San Jacinto Mtns. below Idlewild. 1067 Comment
  SD137898  Cotula australis Steve Boyd, Dain Banks 1995-4-5 8426 Riverside Palomar Range, Agua Tibia Wilderness Area, eastern edge of the Dripping Springs Alcove. 609 Comment
  UCR113042  Cotula australis Mitch Provance 1998-3-26 276 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Hill Park, 0.7 km west of Pyrite St. on north side of Granite Hill Dr. 305 Comment
  UCR92499  Cotula australis S. J. Myers 1996-1-16 s.n. Riverside Perris Basin, 2 mi NE of Perris, flood control channel between Perris Blvd, & Murrieta St., parallel to Nuevo Rd c. 1/4 mi N. 442 Comment
  UCR112563  Crassula A. C. Sanders 1998-3-11 21693 Riverside Shipley/Skinner Reserve area, Diamond Valley, along State Street (R3) c. 1/2 mi. north of Newport Rd., south of Hemet 488 Comment
  SD125360  Crassula connata Robert F. Thorne, Earl Lathrop 1975-5-20 45501 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; vernally wet, clayey openings in grassland. 609 Comment
  UCD126208  Cressa truxillensis Rimo Bacigalupi; G. T. Robbins 1954-5-16 4467 Riverside valley of San Jacinto River, one-half mile west of Lakeview and just east of Lakeview (formely Ginsberg) Hot Springs. 432 Comment
  UC128709  Crocanthemum aldersonii Charlotte M. Wilder May 1908 25 Riverside Wilders' Jurupa Hills Comment
  RSA397717  Crossosoma bigelovii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  PASA1841  Croton californicus R. Peirce 1966-4-21 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  SD109108  Croton californicus Grady L. Webster, R. Hildreth 1966-12-11 7474 Riverside Aguanga Valley, hillsides above Aguanga. 640 Comment
  UC708730  Croton californicus H. K. Wagnon 1944-4-2 380 Riverside along fence w cold storage plant; Palm Springs, Torney General Hospital Comment
  UCR131532  Croton californicus Jennie Phui 1998-5-30 021 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, mouth of Lion Canyon, 0.5-2 miles up Lion Canyon road north of I-10 Fwy 549 Comment
  UCR154442  Croton californicus A. C. Sanders, Mike Misenhelter 2005-6-15 30979 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
  RSA0036098  Croton californicus Norman Cooper 1944-4-23 1141 Riverside Cabazon. 457 Comment
  UCR153A  Croton setiger Eugene Cardiff 1950-5-11 s.n. Riverside San Bernardino Valley Region, Jurupa Hills 335 Comment
  UCR273491  Croton setiger A. C. Sanders, Glen Morrison 2016-8-4 42613 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Redonda Mesa, near radio/cellphone tower & prominent abandoned microwave tower 855 Comment
  UCR65273  Crypsis schoenoides Steve Boyd, Orlando Mistretta 1989-7-18 3764 Riverside Peninsular Range, Vail lake area, conflence of Kolb Creek with lake. 427 Comment
  OBI53701  Cryptantha angustifolia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2143 Riverside N end of Palen Mts, 2 mi W of Palen Pass 300 Comment
  RSA191745  Cryptantha angustifolia R. F. Thorne 1963-3-29 32410 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA775441  Cryptantha angustifolia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4443 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64309 487 Comment
  SBBG6237  Cryptantha angustifolia H. and M. Dearing 1939-12-31 4052 Riverside near Indio Comment
  SEINET3004972  Cryptantha angustifolia G. Rink 2011-3-28 10398 Riverside Desert pavement north of Blythe, east of the McCoy Mtns 115 Comment
  UCR216676  Cryptantha angustifolia Jim Andre, T. La Doux 2009-3-10 11236 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
  SEINET10455844  Cryptantha angustifolia David B. Dunn, A. Folsom 1948-6-17 Dunn 3808 Riverside Near quad 2; borage. At camp in Pushawalla canyon under palm. Desert wash, Indio Hills, Colorado Desert. Comment
  CHSC99603  Cryptantha barbigera LeRoy Gross 2005-3-3 1593 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. General collecting along ridge with patino and a rejuvenate steep sided rocky, sandy canyon just to the east. All on a sparse vegetative pebbly plain bajada. 225 Comment
  UCR18172  Cryptantha barbigera A. C. Sanders 1978-4-2 00188 Riverside Coachella Valley, Hidden Valley, near the mouth of Deep Canyon 183 Comment
  UCR97480  Cryptantha barbigera John Wear, N. Moorhatch 1997-3-13 s.n. Riverside San Jacinto Mtns. / Coachella Valley, S of Chino Canyon, at NW end of Palm Springs. 350 Comment
  UCR132648  Cryptantha barbigera var. fergusoniae N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 180 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR276655  Cryptantha barbigera var. fergusoniae Jim Andre 2015-3-6 33550 Riverside Coachella Valley, along Snow Canyon oad, just south of Hwy 111 362 Comment
  SEINET2042439 Image available Cryptantha decipiens A. C. Sanders, K. Rose, D. Woodard 1995-3-15 16139 Riverside Coachella Valley: mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and I-10. T3S R3E sec 11 (S/2) (sec14 and sec 14 N/2 and sec 24) 329 Comment
  SBBG87895  Cryptantha dumetorum A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6010 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of pumping station on a small cutoff rd from Hayfield Rd to the dirt rd to Colorado River Aqueduct 426 Comment
  UCR112397  Cryptantha holoptera A. C. Sanders, T. B. Salvato 2000-5-16 23391 Riverside Sonoran (Colorado) Desert, Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon 30 Comment
  POM230207  Cryptantha intermedia I. W. Clokey 1935-4-18 6861 Riverside Gavilan mesa. 61 Comment
  RSA32420  Cryptantha intermedia N. C. Cooper 1944-4-21 1097 Riverside Banning 701 Comment
  RSA488928  Cryptantha intermedia D. C. Hawks 1988-4-2 s.n. Riverside Tule Creek drainage, 1.75mile airline NE of Aguanga, SE of intersection of Dove and Sycamore Streets, S of Hwy 371. 762 Comment
  SBBG28617  Cryptantha intermedia D. Myrick 1964-4-30 812 Riverside Pines to Palms Hwy 74, 15 mi W of Palm Desert 1219 Comment
  UCD119843  Cryptantha intermedia C. L. Hitchcock 1966-3-16 24193 Riverside about 5 miles northeast of Aguanga. Comment
  UCR103275  Cryptantha intermedia B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3573 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
  UCR240619  Cryptantha intermedia Tracy Tennant, Mitch Provance 1998-6-16 MOR- 439 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  UCR275276  Cryptantha intermedia T. B. Salvato, Gregg Miller 2005-6-7 1458 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  UCR94245  Cryptantha intermedia Scott D. White 1996-4-14 3926 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  POM9604  Cryptantha intermedia I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  HSC87254  Cryptantha maritima Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2179 Riverside NW end McCoy Mtns., NW of Blackjack Mine 400 Comment
  JOTR35287  Cryptantha maritima Andre, Jim 2012-4-11 20780 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  RSA316876  Cryptantha maritima P. A. Munz, D. D. Keck 1922-4-9 4794 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  UCR280920  Cryptantha maritima Fred M. Roberts 2016-3-5 7995 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  JEPS67961  Cryptantha micrantha S. B. Parish 1913-2-26 8464 Riverside Mecca, Salton Basin -57 Comment
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Feb 13 2009
  POM3707  Cryptantha micrantha H. M. Hall 1905-4-28 5938 Riverside McCoy Wash. Comment
  RSA733625  Cryptantha micrantha Keith E. Hoffmaster 1935-3-31 590 Riverside Palm Springs Comment
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Aug 27 2011
  GMDRC2051  Cryptantha micrantha var. lepida J. Andre 2006-4-26 6769 Riverside Little San Bernardino Mountains: Joshua Tree National Park: ridgetop, W. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner (boundary) of park Near 34.06663 deg. N 1116.44661164471 deg. 43681' W. Elev. 44661 ft. 1325 Comment
  SEINET4073493  Cryptantha micrantha var. lepida C. Davidson 1975-1 2819 Riverside Two miles north of Alandale Station on road R1 from Idylwild to Banning. 1645 Comment
  UCR110994  Cryptantha micrantha var. lepida George K. Helmkamp 1998-6-27 4113 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UCR138583  Cryptantha micrantha var. micrantha Steve Boyd, Orlando Mistretta 1986-3-13 1429 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  UC1537676  Cryptantha micromeres Gordon H. True Jr. 1935-4-1 198 Riverside Box Springs 365 Comment
  SD185170  Cryptantha microstachys A. C. Sanders 2005-4-21 29569 Riverside Gavilan Hills, south of Harford Springs County Park and Ida Leona Rd., 1.5 miles eastsoutheast of Gavilan Peak. 622 Comment
  UCR48382  Cryptantha microstachys Steve Boyd 1986-5-7 1832 Riverside Temescal Canyon, Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  UCR26485  Cryptantha muricata A. C. Sanders, S. Hagopian 1981-5-20 3132 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  UCR275935  Cryptantha muricata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3779 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  SBBG19075  Cryptantha muricata var. jonesii M. A. Piehl 1963-6-2 63544 Riverside Hwy 74, ca. 1.2 mi W of Mountain Center 1341 Comment
  UCD120018  Cryptantha pterocarya William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  SDSU18662  Cryptantha pterocarya f. pterocarya Michael G. Simpson, Kristen Hasenstab 2008-4-2 2950 Riverside Joshua Tree National Park. Wash, just southwest of road to Cottonwood Spring, ca. 0.2 mile northwest of Cottonwood Spring. 902 Comment
  RSA0079289  Cryptantha pterocarya var. pterocarya LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1464 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  JEPS67818  Cryptantha racemosa W. L. Jepson 1914-5-18 6013 Riverside n of Indio (between Pinyon Well and County Well); Colorado Desert 762 Comment
  JOTR29374  Cryptantha racemosa La Doux, Tasha, Mike Bell 2006-5-10 1451 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UC217942  Cryptantha racemosa P. A. Munz, D. Keck 1922-4-9 4829 Riverside s base Eagle Mts.; Colorado Desert 228 Comment
  CLARK-A1528-2236  Cryptantha utahensis John C. Roos 1948-5-1 3816 Riverside Whitewater 548 Comment
  JOTR33945  Cryptantha utahensis La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2834 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
  RSA314617  Cryptantha utahensis R. F. Thorne, Drs Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55468 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA289815  Cucurbita palmata B. A. Prigge 1980-9-16 4044 Riverside Indio. Coachella Valley Stormwater Channel. 0 Comment
  SD260939  Cuscuta californica var. papillosa Mitch Provance 2012-8-1 812 03 Riverside Colorado Desert: Thousand Palms Canyon Road, A+- 2/3 of the way up into the canyon. 139 Comment
  UCR151122  Cuscuta subinclusa Scott D. White 1998-10-13 7182 Riverside Peninsular Ranges/Santa Ana Mtns region, Corona, near Bedford Canyon; ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same 366 Comment
  RSA545269  Cuscuta umbellata R. F. Thorne 1967-06 41892 Riverside Palm Desert Comment
  UCR24269  Cycloloma atriplicifolium John C. Roos 1965-9-26 s.n. Riverside Sonoran (Colorado) Desert, Indio Comment
  OBI9019  Cyclospermum leptophyllum Robert J. Rodin 1953-5-9 8200 Riverside Fairmont Park, Riverside 259 Comment
  SEINET4604367 Image available Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17729 Riverside Chuckwalla Mountains, Corn Springs Wash, 5km west of Aztec Well, 74km east of Indio 760 Comment
  UCR262461  Cylindropuntia californica Julie Nguyen 2013-4-6 03 Riverside Riverside, Sycamore Canyon Wilderness Park, c. 1 mile from Hwy 60 427 Comment
  SEINET5624449 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-1 17535 Riverside Chuckwalla Mountains, along Corn Springs Wash, 2.5km WNW of Com Spring, 69km west of Blythe, Corn Spring 7.5' USGS topographic quadrangle 550 Comment
  RSA0097198  Cylindropuntia echinocarpa Marc A. Baker, Michelle Cloud-Hughes 2015-7-12 18412 Riverside San Gorgonio River, 2.5 km SW of Cabazon, 28 km WNW of central Palm Springs. 538 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
  CLARK-A1528-1432  Cymopterus panamintensis var. acutifolius John C. Roos 1948-5-15 3842 Riverside Eagle Mountains Comment
  CAS-BOT-BC190214  Cynodon dactylon Lewis S. Rose 1957-1-3 57003 Riverside La Quinta. 15 Comment
  SD144143  Cyperus difformis A. C. Sanders 1994-7-26 15150 Riverside Santa Ana River at the Mission Blvd. at 7th Street bidge; west foot of Mount Rubidoux; disturbed riparian zone in sandy riverbottom; uncommon annual in wet sand, mostly shallow water along the river. 239 Comment
  UCR78630  Cyperus eragrostis Scott D. White 1992-9-11 794 Riverside Vicinity of Gilman Hot Springs, north side of San Jacinto River & a thin strip trending north of the river & west of the Hot Springs 459 Comment
  CAS-BOT-BC113929  Cyperus odoratus Samuel B. Parish 1891-11-3 2247 Riverside Shores of Elsinore Lake Comment
  RSA605229  Cyperus odoratus A. C. Sanders, O. F. Clarke, CNPS field trip 1991-10-5 11743 Riverside Rubidoux, Santa Ana River Regional Park, ca. 0.3 mile SE of Louis Rubidoux Nature Center. Comment
  CHSC97910  Cyperus rotundus K. E. Hoffmaster 1958-7-1 Riverside Indio Comment
  RSA482015  Cystopteris fragilis Richard Noyes, L. Arnseth 1988-9-10 726 Riverside San Jacinto Mountains. Northeast section of Little Tahquitz Valley, 2 air miles northeast of Tahquitz Peak. 2378 Comment
  POM1191  Dactylis glomerata D. L. Crawford, I. M. Johnston 1917-6-9 1227 Riverside Santa Ana River near Corona Comment
  CDA1954  Dactyloctenium aegyptium B. Ballen 1983-11-22 Riverside North side of Avenue 48, 300 meters west of Hjorth Avenue, southwest of Indio. 0 Comment
  CLARK-A1528-2777  Dalea californica John C. Roos 1942-5-1 1150 Riverside Dry Morongo Canyon Comment
  RSA404184  Dalea mollissima P. J. Remple 1942-3-1 s.n Riverside Between Indio and Palm Springs Comment
  RSA4878  Dalea mollissima C. B. Wolf 1932-4-27 2994 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
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Sep 18 2011
  POM193517  Dasyochloa pulchella J. B. Feudge 1929-9-15 2026 Riverside Cottonwood Springs, Colorado Desert. Comment
  GMDRC5489  Datura discolor J. Andre 2012-4-16 20899 Riverside Little San Bernardino Mountains: along Cottonwood Spr. Rd, 1.0 mi. north of South Entrance 584 Comment
  RSA64346  Datura discolor S. B. Parish 1912-10-10 8335 Riverside Salton Basin -58 Comment
  RSA736293  Daucus pusillus Scott D. White, Justin Wood 2008-5-27 12032 Riverside I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  UCR180143  Daucus pusillus Mitch Provance 2003-4-26 9900 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  CAS-BOT-BC294114  Deinandra kelloggii H. A. Dutton 1899-6-12 s.n. Riverside Elsinore - Warm Springs Valley Comment
  SD232612  Deinandra mohavensis Jeri Hirshberg 1995-9-13 Riverside San Jacinto Mountains: seeps and drainages at the edge of the road to Hungry Hollow from Hwy 243, ca. 0.75 mi. SSE of Poppet Flat Rd. jct. with /243, ca 1 mi. E of Poppet Flat. 1219 Comment
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Feb 4 2015
  UC2030093  Deinandra mohavensis Scott D. White 2000-8-22 8120 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  SD187346  Deinandra paniculata R. e. Riefner Jr. 2007-6-16 07 263 Riverside Hemet, Bautista Canyon, 2.8 miles east of Fairview Ave. on Bautista Rd. 693 Comment
  UC1746485  Deinandra paniculata A. C. Sanders with S. D. Boyd, Mitch Provance, and J. Ross 22297 Riverside 5.5 mi W of Bautista Rd. on Hwy 371 Cahuilla Valley; Anza Area; NW 1/4 section 8 1052 Comment
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May 29 2012
  UC1787311  Deinandra paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 533 Comment
  RSA0020479  Delphinium parishii subsp. parishii N. C. Cooper 1944-4-8 1070 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  RSA0020483  Delphinium parishii subsp. parishii N. R. Zabriskie 1973-4-5 619 Riverside Mesa S side Andreas stream, Andreas Canyon, E slope San Jacinto Mtns. 305 Comment
  JEPS5903  Delphinium parryi W. L. Jepson May 17 1901-Jun 1 1901 1221 Riverside Riverside Comment
  SDSU10045  Delphinium parryi H. Wedberg 1962-5-23 942 Riverside 4.8 miles from hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UC9215  Delphinium parryi subsp. maritimum H. M. Hall June, 1901 2287 Riverside vicinity of Chalk Hill San Jacinto Mountains 1615 Comment
  RSA398680  Delphinium parryi subsp. purpureum N. C. Cooper 1944-4-22 1105 Riverside Banning. 701 Comment
  CAS-BOT-BC198172  Deschampsia danthonioides Robert F. Thorne; Earl Lathrop; O. Clark; S. Carlquist 1968-4-18 37430 Riverside Mesa de Colorado, Rancho, Santa Rosa Plateau 670 Comment
  UCR128171  Deschampsia danthonioides Scott D. White, Michael Honer 2003-4-9 8968 Riverside Hemet area, Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm 473 Comment
  RSA801940  Deschampsia elongata LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6170 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  JEPS10814  Descurainia obtusa subsp. adenophora H. M. Hall Jun 1901 2152 Riverside Vandeventer Flat; San Jacinto Mountains 1371 Comment
  UCR97457  Descurainia pinnata John Wear, N. Moorhatch 1997-3-5 s.n. Riverside San Jacinto Mtns, Chino (Tramway) Cyn, both sides of road. 500 Comment
  POM369389  Descurainia pinnata subsp. glabra Ora M. Clark 1932-3-17 s.n. Riverside N of La Quinta, Colorado Desert. Comment
  POM179425  Dicentra chrysantha E. C. Van Dyke 1928-5-28 s.n. Riverside Banning. Comment
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Mar 13 2011
  POM306214  Dicentra chrysantha Henry J. Ramsey, Henry J. Ramsey 1938-5-7 s.n. Riverside Elsinore Comment
  POM97780  Dicentra chrysantha Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula. 366 Comment
  SDSU12268  Dichelostemma capitatum subsp. capitatum Jeremy Mass, Ryan Jacobsen 2000-4-19 12 Riverside Along edge of road near Stone Creek, close to Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  RSA367528  Dichelostemma capitatum subsp. pauciflorum N. C. Cooper 1944-4-8 1093 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  RSA70160  Dichelostemma capitatum subsp. pauciflorum F. W. Peirson 1922-4-9 2903 Riverside Andreas Canyon near Palm Springs, Colorado Desert, 335 Comment
  CSUSB27  Dichelostemma pulchellum J. R. Sweeten 1965-4-21 Riverside About 1 mile southwest of Lake Matthews Dam; near roadside on steep slope; Riverside. Comment
  CAS-BOT-BC292181  Dicoria canescens Mrs. Robert Campbell 1921-11-26 2 Riverside Palm Springs Comment
  CAS-BOT-BC292203  Dicoria canescens Marcus E. Jones 1928-1-3 s.n. Riverside Indio Comment
  RSA707354  Dicoria canescens Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 05 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  SFV11885  Dicoria canescens R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UC410767  Dicoria canescens Mrs. John C. Augsbury 1929-2-1 Riverside Indio Comment
  OBI36067  Dieteria canescens var. ziegleri J. Derby, T. Krantz 1977-10-1 s.n. Riverside Santa rosa Mt., along road to Santa Rosa summit 2073 Comment
  SEINET3829010  Diplachne fusca var. uninervia Malcolm A. Nobs, S. Galen Smith 1948-1 494 Riverside Citrus grove, 2 miles north of Indio. Comment
  RSA0016051  Diplacus brevipes P. A. Munz, I. M. Johnston 1922-5-20 5498 Riverside 2 mi. below Kenworthy, Thomas Valley. 1372 Comment
  JOTR33807  Ditaxis lanceolata La Doux, Tasha, B. Truesdell 2007-11-9 3324 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (STOP 2) 601 Comment
  RSA167707  Ditaxis lanceolata R. F. Thorne, Robert L. Rutherford 1964-4-10 33552 Riverside Palm Springs. 304 Comment
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Apr 25 2011
  RSA23223  Ditaxis lanceolata Ernest Braunton 1940-4-3 2015 Riverside Berdoo Canyon, 10 mi. E. of Indio. 304 Comment
  RSA421610  Ditaxis lanceolata Anonymous 1893-4-10 s.n. Riverside Palm Springs. Comment
  JOTR32617  Ditaxis neomexicana La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1634 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  JOTR35006  Ditaxis neomexicana La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3108 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  RSA675730  Ditaxis neomexicana Scott D. White 2001-4-27 8421 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  UC604847  Ditaxis neomexicana Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9517 Riverside 19 mi. from Cottonwood Springs (n. edge Pinto Basin); n. edge Pinto Basin Comment
  RSA798843  Ditaxis serrata var. californica Duncan S. Bell, Amanda Bell, Evan Bell 2012-10-7 4344 Riverside Arica Mountains: collecting in narrow canyon in center of range within the Palen/McCoy Wilderness, approximately 2.25 air miles west of Priests Well, or approximately 6.75 air miles southwest of the ghost town of Rice. 429 Comment
  RSA780571  Dithyrea californica Stephanie Rockwood, Christi Gabriel 2011-11-7 196 Riverside Rice Valley. Highway 62 to Blythe/Rice Road. About 1 mile from highway. 229 Comment
  UC2015548  Dithyrea californica A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16186 Riverside Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. Comment
  OBI69423  Dodecahema leptoceras L. LaPre 1988-1 Riverside Comment
  RSA5472  Dodecatheon alpinum subsp. majus Carl B. Wolf 1932-8-5 s.n. Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  CLARK-A1528-4886  Draba cuneifolia John C. Roos 1937-2-27 1297 Riverside San Timoteo Canyon Comment
  RSA593782  Draba cuneifolia Jeri Hirshberg 1995-5-19 278 Riverside San Jacinto Mountains, Garner Valley. Comment
  CAS-BOT-BC41680  Draba cuneifolia var. integrifolia Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4120 Riverside Vail Lake area, upper benches and adjacent slopes of the east flank of Big Oak Mountain. Just south of the east summit 701 Comment
  RSA82946  Drymocallis glandulosa R. M. Straw 1953-6-5 454 Riverside Fuller Mill Creek Camp, on Idyllwild to Banning Rd. Comment
  IRVC143  Dryopteris arguta R. H. Whittaker, W. A. Niering 1963-5-27 SJ 6 Riverside Hemet Hwy, between Hemet and Mtn Center. Peninsular Ranges, San Jacinto Mountains 1250 Comment
  RSA115730  Dryopteris arguta Lucille Weight 1957-1 s.n. Riverside north Malapai Hill, Joshua Tree National Monument, southern end of Mojave Desert Comment
  RSA85439  Dryopteris arguta J. C. Roos 1952-4-13 5519 Riverside Box Springs Mts. 518 Comment
  JOTR00967  Dryopteris arguta Adams and Black, Donald 1957-10-1 s.n. Riverside Joshua Tree National Park. ROCKS NEST OF OPTIMO TRI. STA. Comment
  RSA423467  Dudleya Elizabeth A. White 1928-04 s.n. Riverside Near 7 [Seven] Palms. Comment
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Aug 18 2010
  CAS-BOT-BC109486  Dudleya abramsii subsp. abramsii Philip A. Munz; P. C. Everett 1950-6-23 7114 Riverside 2 miles northwest of Pipe Creek, south of San Jacinto Mountains. 1402 Comment
  RSA653406  Dudleya lanceolata Mitch Provance 1998-5-24 532 A Riverside Belltown area, ''Belltown Hill'', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 280 Comment
  UC115216  Dudleya multicaulis Charlotte M. Wilder 1905-6-1 583 Riverside West Riverside Comment
  UCR16119  Dudleya saxosa B. A. Carlson 1978-4-30 s.n. Riverside Santa Rosa Mtns, 5 mi. south of Palm Desert, east of Hwy 74 396 Comment
  POM246550  Dudleya saxosa subsp. aloides E. C. Jaeger 1938-5-14 s.n. Riverside Covington Flats, Joshua Tree National Monument. 1280 Comment
  UCR237696  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4738 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 600 Comment
  JOTR35167  Echinochloa crus-galli La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3271 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
  RSA370868  Echinochloa crus-galli R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61273 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  SBBG129040  Echinochloa crus-galli D. Duguma 2013-7-7 Riverside Prado wetlands near Corona 155 Comment
  CLARK-A1528-202  Eclipta alba John C. Roos 1951-9-22 5233 Riverside Riverside 243 Comment
  UCR170133  Ehrharta erecta Jeffrey Ross 1998-6-4 143 Riverside Upper Santa Ana River/San Bernardino Valley, Ravine at NW corner of Canyon Crest Drive and University Avenue, across from UC Riverside 305 Comment
  UCR178023  Eleocharis acicularis Randy Blackman 2006-10-24 s.n. Riverside Menifee Valley, weed in turf on softball field, Paloma Valley High School, 32375 Bradley Rd. between Holland Rd. and Garboni Rd. 450 Comment
  RSA615065  Eleocharis geniculata A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15888 Riverside Colorado Desert, Salton Sink: Dos Palmas Spring and immediate vicinity., 33 deg 30.16 N, 115 deg 49.9 W -30 Comment
  UCR220146  Eleocharis parishii D. E. Bramlet 1989-4-10 1828 Riverside Peninsular Range; Perris-Aguanga Basin region, Tucalota Creek, 600 ft. west of Washington St. and 300 ft. south of Benton Road 416 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
  UCR201448  Elymus elymoides Scott D. White, Justin M. Wood 2008-6-5 12066 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  SEINET1908655  Elymus glaucus A. C. Sanders, Mitch Provance 2008-1 35791 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. 1450 Comment
  UCD61812  Elymus glaucus Peter Kamb 1948-7-3 1143 Riverside Hall Canyon, San Jacinto Mtns. 1645 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
  RSA180275  Emmenanthe penduliflora E. W. Lathrop 1965-5-18 5750 Riverside 8 miles W of Murrieta. 610 Comment
  RSA667004  Emmenanthe penduliflora A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24216 Riverside Hemet. SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte. 500 Comment
  RSA697749  Emmenanthe penduliflora J. R. Bruff 1928-2-2 95 Riverside Canon wash, 1 mi. W. of Morongo. Comment
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Oct 23 2011
  HSC34783  Encelia actoni R. E. Cooksey Mar 1974 193 Riverside Chino Canyon below Palm Springs Tramway; San Jacinto Mtns. 381 Comment
  JEPS34095  Encelia actoni Marjorie D. Clary 1932-5-12 1904 Riverside Lost Horse Canyon north Colorado Desert, Little San Bernardino Mountains, Lost 1066 Comment
  UCR154633  Encelia actoni A. C. Sanders, Mike Misenhelter 2005-6-15 30995 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-BC131337  Encelia farinosa Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2142 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 300 Comment
  LA202443  Encelia farinosa Harlan Lewis; 1952-4-5 sn Riverside Road to 29 Palms 1 mi. S of road to Desert Hot Springs Comment
  RSA701091  Encelia farinosa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11255 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., [Coordinates are off a little and map in Riverside Co.] 570 Comment
  UC1929588  Encelia farinosa Steve Boyd 2007-4-20 11724 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh Canyon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading t 549 Comment
  UCR41336  Encelia farinosa N. M. Fellows 1985-3-16 101 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  RSA226627  Encelia farinosa var. farinosa C. W. Tilforth, John Dourley 1971-8-17 437 Riverside Cajalco Raod, 1.3 miles W of jct with La Sierra Road, W of Lake Mathews 412 Comment
  CAS-BOT-BC131422  Encelia frutescens H. M. Hall 1905-4-1 5939 Riverside McCoy Wash 91 Comment
  SBBG121958  Ephedra aspera L. Gross 2005-2-17 14134 b Riverside cyn SW of Corn Springs Cmpgrd 548 Comment
  SEINET3004997  Ephedra aspera G. Rink 2011-4-4 10425 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  UC813661  Ephedra aspera I. W. Clokey 1935-4-17 6510 Riverside Cottonwood Springs Comment
  POM999  Ephedra aspera I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. In desert along mts. 305 Comment
  CAS-BOT-BC81547  Ephedra californica Philip A. Munz 1940-3-22 15657 Riverside [Whitewater] White Water Canyon, 2 miles north of Banning-Indio boulevard Comment
  JOTR32655  Ephedra californica La Doux, Tasha, M. Bell, A. Holt, A. Miller, K. Matthews 2007-5-23 1338 Riverside Joshua Tree National Park. where Queen Valley meets Pleasant Valley, just north of Malapai Hill; open bajada with pediments, near Geology Tour Road 1219 Comment
  JOTR34111  Ephedra californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2743 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA770689  Ephedra californica Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4788 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA772007  Ephedra californica Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4966 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SJSU126  Ephedra californica C. D. Duncan 1933-3-24 Riverside Palm Springs Comment
  UCR133659  Ephedra californica Chet McGaugh 2004-2-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, northern Palm Springs, near the Whitewater River channel, NW corner of Sunrise Way and San Rafael 171 Comment
  IRVC8461  Ephedra fasciculata R. H. Whittaker, W. A. Niering Jun 1963 SJ 124 Riverside santa Rosa Mtns; Palms to Pines Hwy. Peninsular Ranges 915 Comment
  JOTR29448  Ephedra nevadensis La Doux, Tasha, Mike Bell 2006-3-8 1346 Riverside Joshua Tree National Park. Eagle Mountains, south of Hayfield Spring 548 Comment
  RSA0124029  Ephedra nevadensis Duncan S. Bell, LeRoy Gross 2016-3-10 8888 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  CAS-BOT-BC81876  Ephedra trifurca Carl B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  UCR114315  Epilobium canum Mitch Provance 2000-7-23 905 B Riverside Jurupa Mtns, Property just NE of the Jurupa Mtns. Cultural Center 305 Comment
  JOTR16761  Epilobium canum subsp. latifolium Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  RSA797242  Epilobium canum subsp. latifolium Robert F. Thorne, Walter Wisura 1977-9-17 50771 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  RSA787212  Epilobium oregonense J. D. Olmsted 1959-7-8 754 Riverside Tahquitz Creek drainage area. North lobe of Skunk Cabbage Meadow in springy area. 4.5 mi ENE of Idyllwild. 2424 Comment
  RSA525703  Equisetum laevigatum Steve Boyd, Timothy S. Ross 1990-5-11 4641 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA586936  Equisetum laevigatum Darin L. Banks, Peter Morrell 1995-5-4 302 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, along Arroyo Seco. 597 Comment
  SDSU13549  Equisetum laevigatum W. Miller, C. Mosse 1972-7-13 Riverside 100 yards west of M.W.D. station. Comment
  POM352237  Eragrostis cilianensis Anstruther Davidson 1904-5-11 1091 Riverside Palm Springs Comment
  RSA326148  Eragrostis cilianensis John F. Emmel 1981-6-27 787 Riverside Hemet, near intersection of Stanford Strret and Stetson Ave. 488 Comment
  RSA567643  Eragrostis curvula var. conferta S. Morgan 1992-7-27 92 -7 Riverside UCR campus. A weed in the Latin American section of the UCR Btanic Garden; garden quad. F-4. Origin unknown, but possible an escape from a grass collection that was in another part of the garden(K-8)ca. 15 yrs ago. Comment
  JEPS74000  Eragrostis pectinacea var. pectinacea S. B. Parish 1912-6-27 8101 Riverside Mecca Comment
  SD233694  Eragrostis pectinacea var. pectinacea A. C. Sanders, T. Schram & D. Wappler 1994-10-4 15770 Riverside San Jacinto Mountains: north slope of the mtns.; Twin Pines Creek below confluence with Brown Creek in the vicinity of the dirt road crossing. 853 Comment
  UCR214881  Eremalche exilis A. C. Sanders 2010-3-23 37550 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR112749  Eremalche rotundifolia A. C. Sanders, T. B. Salvato 2000-4-21 23347 Riverside Coachella Valley, east side of the Coachella Canal c. 1/4 mi. north of I-10, 3 miles east of Indio 15 Comment
  UC1922389  Eremothera refracta Michael Honer with L. Hulse 2004-4-4 1927 Riverside Colorado Desert; Little San Bernardino Mountains Region: SW base of Cottonwood Mtns., near MWD aqueduct, approx. .75 mi. N of I-10. E edge of Pinkham Wash. Comment
  SD229215  Eriastrum densifolium subsp. austromontanum Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 641 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  CAS-BOT-BC514305  Eriastrum densifolium subsp. austromontanum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  UCR60934  Eriastrum densifolium subsp. densifolium Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3651 A Riverside Butterfield Valley, Vail Lake area, Temecula Creek, SE of the lake, just north of Hwy 79 488 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
  RSA0121256  Eriastrum eremicum subsp. eremicum Christopher Davidson, B. Gustafson 1977-4-7 5572 Riverside Whitewater Canyon Road, (exit from I-10 ca. 2.5 miles W of junction I-10 with State 62. Near start of Angeles [actually Pacific] Crest Trail). 610 Comment
  UC52453  Eriastrum eremicum subsp. eremicum W. L. Jepson and H. M. Hall 1901-1 1892 Riverside Van Deventer's, SE base San Jacinto Mountains 1371 Comment
  CAS-BOT-BC514464  Eriastrum eremicum subsp. eremicum C. L. Hitchcock 1940-4-4 5963 Riverside Cottonwood Springs, Joshua Tree Nat. Monument Comment
  UC23874  Eriastrum sapphirinum H. M. Hall 1896-8-27 329 Riverside Strawberry Valley San Jacinto Mountains 1584 Comment
  UC708663  Eriastrum sapphirinum R. Bacigalupi 1941-8-30 2700 Riverside upper end of Kenworthy Flats San Jacinto Mountains 1392 Comment
  UCR140741  Eriastrum sapphirinum A. C. Sanders 2004-5-11 27852 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  RSA0121567  Eriastrum sapphirinum subsp. dasyanthum Elbert Benjamine 1929-5-18 235 Riverside Mt. San Jacinto. 1220 Comment
  RSA0063623  Eriastrum sapphirinum subsp. sapphirinum J. D. Olmsted 1959-8-18 784 Riverside Reservoir Hill at Desert Sun School near Idyllwild. Mt. Range: San jacinto; Drainage Area: M. Fk. S. Jacinto R. 1646 Comment
  RSA0122977  Eriastrum sapphirinum subsp. sapphirinum C. B. Wolf 1932-8-4 3915 Riverside San Jacinto Mountains: Point View near Idyllwild. 1646 Comment
  UCR149941  Ericameria brachylepis Scott D. White 2004-10-8 10774 Riverside Peninsular Ranges, 'Black Hills,' southeast of Lake Skinner and north of Oak Mountain 640 Comment
  UCR232778  Ericameria cuneata William Schlegel, Kate Kramer 2009-11-9 062 Riverside Peninsular Range; San Jacinto Mtns., Keenwild Helibase, right below the landing platform and on edge of platform 1509 Comment
  RSA520085  Ericameria cuneata var. spathulata Steve Boyd 1988-10-8 2859 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  CAS-BOT-BC287638  Ericameria linearifolia Nancy Ryan Zabriskie; Walter Zabriskie 1970-5-2 287 Riverside Up canyon from turnout parking area which is 1 mile up Sta. Rosa Mt road from Highway 74, Santa Rosa Mts 1371 Comment
  RSA500080  Ericameria linearifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3232 Riverside Vail Lake area: Between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  POM359410  Ericameria linearifolia Anstruther Davidson 1927-6-1 s.n. Riverside Riverside County Comment
  UCR100373  Ericameria palmeri var. pachylepis A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21616 Riverside Lake Skinner Reserve area, Crown Valley, east of Rawson Road 671 Comment
  CAS-BOT-BC299533  Ericameria paniculata A. C. Sanders; G. Helmkamp; O. Clarke; B. Pitzer; et al 1996-11-9 19647 Riverside Orocopia Mtns., near Bob's Cabin 5 mi. (air) S of Hayfield Pump Sta., E of Maniobra V., central sect. of (N of peak 2552 to BMk 1899) arroyo, Colorado Desert 609 Comment
  UC64808  Ericameria paniculata E. E. Schellenger 1904-10-19 19 Riverside Colorado Desert, Chuckwalla Bench Comment
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Jan 15 2017
  RSA0104481  Ericameria teretifolia Duncan S. Bell 2015-9-30 8675 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  CAS-BOT-BC189075  Eriodictyon crassifolium W. R. Dudley 1903-12-25 s.n. Riverside Tahquitz Canon [Canyon], near Palm Springs Comment
  RSA766538  Eriodictyon crassifolium Scott D. White, Angelia Carey 2004-4-5 10007 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  CAS-BOT-BC222695  Eriodictyon trichocalyx J. Ewan 1930-4-17 2208 Riverside 2 miles north of Whitewater R.R. Station Comment
  UCR121344  Eriogonum angulosum A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25027 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  CAS-BOT-BC248634  Eriogonum apiculatum William M. Klein 1960-8-22 1582 Riverside North of Idyllwild along the trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mts. Comment
  SBBG160  Eriogonum apiculatum R. Hoffmann 1929-9-6 Riverside above Tahquitz Valley 2499 Comment
  SEINET6328738  Eriogonum apiculatum Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1454 Riverside Peninsular Ranges; San Jacinto Mountains; East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  UCR272169  Eriogonum apiculatum Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-6-16 8571 Riverside Santa Rosa Mountains, along Forest Service Road 7S02, c. 0.7 air mile west of the summit of Santa Rosa Mountain Comment
  CAS-BOT-BC242797  Eriogonum davidsonii P. A. Munz; E. K. Balls 1952-8-21 17963 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1371 Comment
  GMDRC2045  Eriogonum davidsonii J. Andre 2006-4-26 6764 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  RSA393168  Eriogonum davidsonii P. A. Munz 1922-9-6 s.n. Riverside North of Dark Canyon. 1524 Comment
  UC64500  Eriogonum davidsonii H. M. Hall May, 1899 Riverside Coyote Canyon El Toro Mt., Coyote Canyon Comment
  UCR89690  Eriogonum davidsonii G. R. Ballmer 1992-5-17 92 35 Riverside Santa Rosa Mtns, Deep Canyon, trail from Hwy 74 to bottom of canyon, in vicinity of Pinyon Crest 915 Comment
  SEINET6170721 Image available Eriogonum deserticola Marjorie D. Clary 1933-1 2021 Riverside Along the South shore of Salton Sea -76 Comment
  SEINET7907886  Eriogonum fasciculatum D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd between Perris & Lake Elsinore 488 Comment
  RSA766509  Eriogonum fasciculatum var. flavoviride Donald A. Johansen, Joseph A. Ewan 1932-4-11 7087 Riverside Martinez Canyon, Santa Rosa Mts. 366 Comment
  SEINET208629  Eriogonum fasciculatum var. flavoviride W. L. Jepson 1914-5-17 5986 Riverside unspecified 762 Comment
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Jul 30 2013
  SEINET6418437  Eriogonum fasciculatum var. flavoviride C. Francis Shutts 1949-3-28 104 Riverside Palms to Pines Highway State 74, south of Palm Springs 747 Comment
  UC218175  Eriogonum fasciculatum var. flavoviride P. A. Munz, D. Keck 1922-4-13 4949 Riverside Eagle Mtns. Colorado Desert, Eagle Mtns. 243 Comment
  RSA0034568  Eriogonum fasciculatum var. foliolosum M. M. Thompson 1947-8-21 C 2058 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  POM308609  Eriogonum fasciculatum var. polifolium Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3223 Riverside Near Desert Center. Comment
  RSA181273  Eriogonum fasciculatum var. polifolium John H. Thomas 1949-4-24 s.n. Riverside 2 miles east of Whitewater, between Banning and Indio. Comment
  RSA393343  Eriogonum fasciculatum var. polifolium H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  SD93036  Eriogonum fasciculatum var. polifolium W. Bertsch 1954-5-1 529 Riverside Road to Idlewild from Banning 1067 Comment
  CLARK-A1528-3649  Eriogonum gracile Robin Kobaly 1977-8-26 Riverside Comment
  UC6567  Eriogonum gracile A. J. McClatchie 1890-1 47 Riverside near Elsinore Comment
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Jul 8 2009
  RSA393248  Eriogonum gracile var. gracile N. C. Cooper 1944-7-15 1549 Riverside Banning. 701 Comment
  RSA544289  Eriogonum gracile var. gracile Steve Boyd, Tim S. Ross 1991-6-14 6358 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
  UCR144100  Eriogonum gracile var. gracile Scott D. White 1999-5-28 7434 Riverside Peninsular Ranges/Perris-Aguanga Basin region/Gavilan Hills, Gavilan Hills, c. 3 air mi SE of junction of Cajalco Rd. and Gavilan Rd.; east of Juniper Rd. between Blue Sky Dr. and Celestial Dr 689 Comment
  RSA289809  Eriogonum gracile var. incultum Barry A. Prigge 1980-8-12 3933 Riverside Whitewater Canyon: 1.4 miles upstream from trout farm. 793 Comment
  RSA305626  Eriogonum gracile var. incultum C. W. Tilforth, Walter Wisura 1979-5-11 1913 Riverside 0.3 mi. west of Hgwy 74 on Thomas Mountain Rd., ca. 1 mile south of Lake Hemet, Garner Valley. Comment
  RSA736778  Eriogonum gracile var. incultum Scott D. White, Angelia Carey 2004-7-2 10561 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA737124  Eriogonum gracile var. incultum Justin M. Wood 2008-10-15 190 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA0021330  Eriogonum gracillimum Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4656 Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  RSA0088351  Eriogonum inflatum Phung Hoang 2016-4-9 17 Riverside LA basin, White water canyon reserve. 536 Comment
  RSA650877  Eriogonum inflatum David B. Dunn 1947-7-12 2961 Riverside Pushawalla Canyon, Indio Hills. Comment
  JOTR32416  Eriogonum nidularium Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 7 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  RSA393383  Eriogonum nidularium Frances L. Cramer 1941-5-3 s.n. Riverside Joshua Tree National Monument Comment
  JOTR30689  Eriogonum pusillum La Doux, Tasha, Jim Andre 2008-9-13 270 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  JOTR32352  Eriogonum saxatile La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2468 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
  RSA424915  Eriogonum saxatile Christopher Davidson 1978-6-15 7396 b Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  CAS-BOT-BC263506  Eriogonum thomasii Geo. B. Grant 1906-4-20 541 Riverside Palm Springs, Colorado Desert Comment
  CAS-BOT-BC263523  Eriogonum thomasii John H. Thomas 1957-3-30 6549 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella, Colorado Desert 426 Comment
  RSA424957  Eriogonum thomasii Robert Gustafson 1978-3-22 835 Riverside Joshua Tree Natl. Monument, about 3 miles north of Hwy. 70 on the road that leads to 29 Palms. 610 Comment
  RSA676149  Eriogonum thomasii Scott D. White 2001-4-12 8314 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  RSA766147  Eriogonum thomasii Donald A. Johansen, Joseph A. Ewan 1932-4-12 7076 Riverside Devils Canyon, about 1/4 mile below falls. Comment
  UCR27654  Eriogonum thomasii John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  CAS-BOT-BC262878  Eriogonum thurberi A. J. McClatchie 1896-7-7 1162 Riverside Pala Comment
  SBBG121989  Eriogonum thurberi S. D. White with J. H. Jones 2005-5-24 11100 Riverside Banning Pass area; Cabazon, San Gorgonio River wash and adjacent alluvial flats and benches to west 573 Comment
  UC912804  Eriogonum thurberi Ivan Johnston Apr 4 1917-Apr 6 1917 1085 Riverside near Palm Spring; Colorado Desert 152 Comment
  RSA0075967  Eriogonum wrightii John F. Emmel 1985-10-23 977 Riverside Coxcomb Mts.; gently sloping area 0.1-0.2 air mile WNWof peak 4416. 128 Comment
  RSA785069  Eriogonum wrightii var. membranaceum Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 77 Riverside Belvedere road, turn from Hwy 74, uphill towards white rocks. Comment
  CAS-BOT-BC261785  Eriogonum wrightii var. nodosum A. C. Sanders; P. MacKay 1994-10-23 15845 Riverside San Bernardino Mountains: Whitewater River Canyon, between the trout hatchery & Bonnie Bell 780 Comment
  RSA423141  Eriogonum wrightii var. nodosum N. R. Zabriskie, Walter Zabriskie 1972-3-28 478 Riverside North Canyon, Andreas Canyon watershed, east slope San Jacinto Mts. 610 Comment
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Oct 1 2011
  JOTR30677  Erioneuron pulchellum La Doux, Tasha, Jim Andre 2008-9-13 272 Riverside Joshua Tree National Park. At the base of NW end of Belle Mountain at Pinto Wye Maintenance service area 1103 Comment
  UCD132264  Eriophyllum confertiflorum P. C. Everett; E. K. Balls 1958-5-4 23081 Riverside Morongo Pass, 7.6 mi. n. along road to 29 Palms from U.S. Hwy. 60/70. 670 Comment
  UCR174544  Eriophyllum confertiflorum Jennifer H. Jones 2006-6-6 395 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
  JOTR32188  Eriophyllum confertiflorum var. confertiflorum Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  JEPS5435  Eriophyllum multicaule W. L. Jepson 1928-4-19 12431 Riverside 5 mi n Elsinore Comment
  POM12942  Eriophyllum multicaule P. A. Munz, I. M. Johnston 1922-5-19 5345 Riverside 5 miles NE of Murietta. 457 Comment
  RSA801814  Eriophyllum wallacei LeRoy Gross, Evan Meyer 2013-5-21 6108 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  SEINET8753388 Image available Eriophyllum wallacei Philip A. Munz 1949-1 13023 Riverside Near conejo Well, north base of Eagle Mts., Mojave desert 914 Comment
  UCR86646  Eriophyllum wallacei A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16269 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR226666  Erodium cicutarium Jim Andre 2011-2-18 15821 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  UCR51983  Erodium texanum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2183 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA470845  Eryngium Benton 1923-05 3574 Riverside Palm Springs. Comment
  SDSU2406  Erysimum capitatum M. De Lisle 1962-7-28 20 Riverside Black Mtn, campgrounds Forest floor, Montane forest. 2347 Comment
  RSA0015887  Erythranthe moschata E. C. Jaeger 5460 Riverside Idyllwild. 1585 Comment
  JOTR35441  Eschscholzia Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 47 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop1) Comment
  UCR114323  Eschscholzia caespitosa Mitch Provance 1998-5-2 492 Riverside Jurupa Hills, Sunnyslope, along the E side of Sierra Blvd. 366 Comment
  RSA433694  Eschscholzia californica N. C. Cooper 1945-5-24 1646 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UC118510  Eschscholzia californica Charlotte M. Wilder June, 1905 652 Riverside Wilder's Canyon West Riverside, Jurupa Hills Comment
  UC855146  Eschscholzia californica I. W. Clokey, C. B. Clokey, and B. C. Templeton 1930-4-15 4641 Riverside Gavilan Peak 600 Comment
  UCR113140  Eschscholzia californica A. C. Sanders 1998-3-11 21664 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, saddle dam site 534 Comment
  UCR138153  Eschscholzia californica D. L. Banks 1997-3-29 1570 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  RSA495449  Eschscholzia californica subsp. californica Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2977 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR33739  Eschscholzia glyptosperma Sears 1978-3-16 818 Riverside Sonoran (Colorado) Desert, 3.5 mi SE of Midland 244 Comment
  UCR240995  Eschscholzia minutiflora Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 50 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  CAS-BOT-BC419618  Eschscholzia parishii Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley Comment
  CAS-BOT-BC419644  Eschscholzia parishii S. B. Parish 1907-4-1 6103 Riverside Whitewater, Colorado Desert Comment
  JEPS51697  Eschscholzia parishii W. L. Jepson 1927-4-11 11622 Riverside Whitewater bridge 457 Comment
  UC855197  Eschscholzia parishii I. W. Clokey 1935-4-17 6631 Riverside Cottonwood Springs Comment
  UCR20764  Eschscholzia parishii A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1328 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
  RSA718872  Eschscholzia parishii Michael Honer, L. Hulse 2005-3-7 2033 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  SEINET1906763  Eucalyptus A. C. Sanders, O. F. Clarke, A. M. Boyce, C. L. Sanders 1993-1 14220 Riverside Riverside, residential garden of A1 M. Boyce, 266 Frost Court. 360 Comment
  UCR199567  Eucalyptus camaldulensis Scott D. White, Angelia Carey 2004-7-2 10599 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  HSC92877  Eucrypta chrysanthemifolia Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  RSA420858  Eucrypta chrysanthemifolia var. bipinnatifida E. C. Jaeger 1922-3-20 809 Riverside Murray Canyon, Colorado Desert. 366 Comment
  UCR83197  Eucrypta chrysanthemifolia var. chrysanthemifolia A. C. Sanders 1994-5-15 14481 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UCR91449  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White 1995-3-30 2640 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
  CLARK-A1528-2973  Eucrypta micrantha John C. Roos 1958-2-21 Riverside Chuckwalla Mountains Comment
  POM47495  Eucrypta micrantha Mary F. Spencer 1920-3-27 1595 Riverside Palm Springs. 122 Comment
  CDA37673  Eulobus californicus T. C. Fuller 1962-4-4 7997 Riverside West of Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  SBBG55788  Eulobus californicus D. Keil, M. McLeod 1977-3-26 12008 -1 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  SEINET10689684  Euonymus occidentalis var. parishii Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 19 Riverside San Bernardino National Forest. Fuller Mill Creek. Calocedrus decurrens forest, 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  UCR16189  Euphorbia albomarginata John M. Spencer 1971-4-16 16 Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument [now Park], 1 mi. north of Cottonwood Spring campground & Ranger Station [via Pinto Basin Rd.] 956 Comment
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Apr 5 2011
  UC219065  Euphorbia palmeri P. A. Munz 1922-6-28 5882 Riverside ridge w Toro Peak; Santa Rosa Mts. 2407 Comment
  RSA741083  Euphorbia polycarpa Justin M. Wood 2008-11-17 228 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SD129388  Euphorbia polycarpa Jon M. Stewart 1989-9-17 602 Riverside Coachella Valley, Pushawalla Canyon in the Indio Hills, in desert wash Comment
  OBI14389  Euphorbia setiloba Lewis S. Rose 1959-1-12 59011 Riverside Cathedral City 122 Comment
  SD43539  Euphorbia setiloba Philip A. Munz 1946-10-20 11579 Riverside Palms to Pines Highway at north base of Santa Rosa Mountains 1039 Comment
  RSA559930  Euphorbia spathulata Steve Boyd 1992-4-18 6899 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  UCR265846  Euthamia occidentalis Mitch Provance 2013-4-8 413- 03 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  CAS-BOT-BC171039  Fagonia laevis P. A. Munz; R. D. Harwood 1920-4-3 3578 Riverside 30 mi. west of Blythe 365 Comment
  RSA0112089  Fagonia laevis Duncan S. Bell 2010-2-21 548 Riverside Arica Mountains; Palen/McCoy Wilderness area; collecting in the central part of range. 418 Comment
  UCR245241  Fagonia laevis Jim Andre 2012-3-19 21332 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  UCR139982  Fatoua villosa A. C. Sanders 2004-8-10 28766 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  CAS-BOT-BC56787  Ferocactus cylindraceus Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR92643  Festuca arundinacea Steve Boyd 1985-7-23 1016 B Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  CLARK-A1045-143  Filago arizonica George K. Helmkamp 1978-4-1 Riverside Deep Canyon Palm Desert 15'Q Comment
  RSA387339  Filago californica Steve Boyd 1986-4-22 1732 Riverside Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UCR213571  Filago californica A. C. Sanders, Matthew Malle 2010-4-23 38001 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA613783  Filago gallica A. C. Sanders, P. Mackay, Tim C. Thomas, O. F. Clarke 1997-5-4 20661 Riverside San Jacinto Mtns: N side along hwy 243, 1.5 mile below Twin Pines Ranch Raod (McMullen Flat), N slope of peak 3740. 1067 Comment
  UCR121099  Forestiera pubescens A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24967 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  HSC100858  Fouquieria splendens J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12778 Riverside Along Eagle Mountain Road. Comment
  HSC8339  Fouquieria splendens J. J. Wagoner 1965-4-13 32 Riverside E slope of San Jacinto along Palms to Pines Hwy., 7 mi. W of Palm Desert 213 Comment
  RSA0013452  Fouquieria splendens April Garbat, Sarah J. De Groot 2013-4-9 44 Riverside Along Graham Pass Rd near intersection with Chuckwalla Valley Rd. Population from Chuckwalla Springs Rd to the pass. 416 Comment
  RSA762733  Frangula californica subsp. californica Patrick Garrett, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 87 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR114309  Frankenia salina Julie A. Greene 1993-4-30 1267 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area. north of San Jacinto River drainage. 433 Comment
  CAS-BOT-BC211016  Fraxinus velutina Winfield 1975-4-17 2399 Riverside West end Fairmont Park - Riverside Comment
  UCR91739  Fraxinus velutina A. C. Sanders, J. Goetzen 1996-5-1 18133 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  RSA524461  Fritillaria biflora Steve Boyd, Timothy S. Ross, Laurel Arnseth, J. Bonilla 1990-4-3 4064 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end. 793 Comment
  RSA749903  Funastrum crispum Jordan Zylstra 2009-5-27 s.n. Riverside Pinyon Flat, north of Hwy 74, east of Pinyon Flat Campground 1220 Comment
  JOTR37432  Funastrum hirtellum Hodges, Stephen R., T. Hender 2015-12-29 554 Riverside Joshua Tree National Park. Eagle Mountains, mid way up Dragon Wash, (Stop 2) Comment
  SFV17333  Funastrum hirtellum J. D. Dilley, J. N. Hogue (108.16) 1998-4-23 272 Riverside Sonoran Desert Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UC64385  Galium andrewsii subsp. andrewsii H. M. Hall May 1899 1155 Riverside Van deVenter's San Jacinto Mountains 1371 Comment
  RSA0014932  Galium aparine LeRoy Gross, Caitlin Elam, Evan Meyer 2013-5-7 6038 -a Riverside West of the community of Pine Cove, near Idyllwild. Out-skirt of the community and Red Hill road (5S10). Near 1720 Comment
  RSA613657  Galium aparine D. L. Banks, Victor W. Steinmann 1997-3-13 1463 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
  SD225096  Galium aparine Scott D. White 1996-4-20 3953 Riverside SW of Perris: Hillside S of the San Jacinto River Channel. 487 Comment
  RSA701501  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot 2004-7-7 1296 Riverside Along Chimeny Flats Road (5S06) near intersection with FS Road 5S24, on the way to Alvin Meadows. 1418 Comment
  JOTR35455  Galium multiflorum Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 59 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  UC1562808  Galium parishii Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-6 7431 Riverside head of Andreas Canyon San Jacinto Mts., Red Tahquitz Peak (n side of peak, w edge of barren bowl of decomposed granite nw of steep ridge) 2438 Comment
  POM4410  Galium stellatum I. M. Johnston 1917-4-4 1038 (9) Riverside Colorado Desert: Palm Canyon. 305 Comment
  RSA0106575  Galium stellatum subsp. eremicum Duncan S. Bell 2010-4-2 720 Riverside West side of the Arica Mountians; just below the ridgeline of the range, approx. 2.5 air miles northwest of Priest Well. 560 Comment
  UCR120903  Gamochaeta pensylvanica A. C. Sanders 2002-3-20 24895 Riverside Sonoran (Colorado) Desert, Coachella Valley, city of Palm Springs, around offices of Agua Caliente Band of Cahuilla Indians, 650 E Tahquitz Canyon Way at Calle El Segundo 137 Comment
  UCSB45571  Gastridium phleoides Roos, John 1939-5-27 Riverside Reche Canyon Comment
  SD260977  Gaura A. C. Sanders, John F. Green 2012-5-27 40205 Riverside Peninsular Range; Perris - Aguanga Basin Region: San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 427 Comment
  RSA736002  Gaura sinuata Scott D. White, Justin M. Wood 2008-6-26 12292 Riverside Perris Basin: I-215 just N of San Jacinto River crossing. 431 Comment
  UCR199714  Gaura sinuata Scott D. White, Justin Wood 2008-6-26 12292 Riverside Perris Basin, I-215 freeway just north of San Jacinto River crossing 431 Comment
  RSA788813  Gayophytum Robert F. Thorne, Walter Wisura 1977-9-17 50777 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UC1922840  Gayophytum decipiens Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1739 Riverside Peninsular Ranges; San Jacinto Mountains region: Mount San Jacinto State Park, Hidden Lake. Comment
  POM358663  Geraea canescens F. R. Fosberg 1932-3-13 8088 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA0049913  Geraea canescens Jim Andre 2014-1-27 26676 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA779580  Geraea canescens Duncan S. Bell 2009-3-7 12 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  UC472328  Geraea canescens Joseph Grinnell 1910-3-17 Riverside sand bank at foot of mesa Colorado River, Riverside Mt. Comment
  UCR134611  Geraea canescens Marisa Sripracha, Kyle Boyd 2004-2-14 018 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR90169  Geraea canescens R. W. Scora 1966-4-1 3015 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  RSA0036275  Geraea canescens M. B. Dunkle 1933-3-4 3058 Riverside Painted Canyon. Colorado Desert. 30 Comment
  JEPS61457  Geranium californicum W. L. Jepson 2299 Riverside Tauquitz Valley San Jacinto Mt. 2286 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
  UCR193133  Gilia A. C. Sanders, Tim Thomas 2008-6-20 35528 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  CLARK-A1528-3500  Gilia angelensis John C. Roos 1966-3-22 Riverside Edgemont Comment
  SDSU18400  Gilia angelensis C. Matt Guilliams 2008-2-27 480 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 407 Comment
  UCR107387  Gilia angelensis B. G. Pitzer 1997-3-23 2963 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR26283  Gilia angelensis John C. Roos 1952-4-23 5578 Riverside Box Springs Mtns, 1 yr old burn, north side of mtns 457 Comment
  UCR6425  Gilia angelensis Helen Leach 1967-3-2 2 Riverside Pedley 229 Comment
  RSA725667  Gilia australis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10501 Riverside West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains. Comment
  JEPS4116  Gilia diegensis W. L. Jepson 1901-5-19 1311 Riverside Strawberry Valley , Strawberry Valley (Mt. San Jacinto) Comment
  UCR148447  Gilia latifolia 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 26 and 28, north of Hunters Spring, near S base of Orocopia Mtns. 21 Comment
  RSA786239  Gilia leptomeria Doris Bowers 1973-4-15 1964 Riverside S/o Cave Spring, Providence Mts. 1220 Comment
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Aug 24 2013
  UCR103996  Gilia maculata George K. Helmkamp 1998-4-3 3070 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  UCR177330  Gilia maculata Scott D. White, Michael Honer 2003-5-13 9241 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  UCR277164  Gilia maculata 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
  RSA0016234  Gilia ochroleuca R. F. Thorne 1995-3-29 63023 Riverside White Water Canyon. 600 Comment
  UCR92232  Gilia ochroleuca subsp. exilis D. L. Banks, Steve Boyd 1995-5-3 0256 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
  RSA0017104  Gilia ochroleuca subsp. exilis P. A. Munz 1927-5-20 10867 Riverside Cohuila. Comment
  RSA0124002  Gilia stellata Duncan S. Bell, Thomas Stoughton 2016-4-13 9248 B Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  RSA469736  Gilia stellata Robert L. Dressler 1949-3-19 423 Riverside Coxcomb Mountains, 23 miles NE of Desert Center Comment
  RSA475299  Gilia stellata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2111 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA770988  Gilia stellata J. Andre, T. La Doux 2009-2-25 10810 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCR214155  Gilia stellata T. B. Salvato 2010-4-20 4054 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR167824  Glinus lotoides T. B. Salvato, Melissa Clemons 2005-6-2 1398 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  POM48365  Glyceria striata P. A. Munz, I. M. Johnston 1924-7-27 8784 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  UCR22025  Gnaphalium californicum Steve Boyd 1980-5-11 258 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR135981  Gnaphalium canescens subsp. microcephalum A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27903 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  HSC85300  Gnaphalium palustre Steve Boyd 1986-5-7 1845 Riverside Terrace escarpment between Horsethief wash and Indian Truck trail, S of I-15; along telephone line road on terrace Comment
  UCR34920  Gnaphalium palustre L. B. Ziegler 1969-6-10 379 Riverside San Jacinto Mtns., Hemet Valley (= Garner Valley) 1433 Comment
  UCR25554  Gnaphalium stramineum John C. Roos 1941-4-25 158 Riverside Plateau in Reche Canyon Comment
  CAS-BOT-BC56798  Grusonia parishii Alverson 1899-1-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA85146  Guillenia lasiophylla J. C. Roos 1952-4-9 5500 Riverside Mt Rubidoux. 396 Comment
  POM294580  Gutierrezia bracteata Lyman Benson 1945-11-10 11913 Riverside 5 miles east of Temecula. 457 Comment
  RSA543298  Gutierrezia californica Steve Boyd 1991-3-17 5513 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
  UCR134647  Gutierrezia californica Mitch Provance 1998-4-10 420 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  UCSB45957  Gutierrezia californica Roos, John 1965-6-21 Riverside The hills 2 miles south of Beaumont Comment
  LA203636  Gutierrezia lucida Carl Epling; 1937-11-26 sn Riverside White Tank, 29 Palms Comment
  CAS-BOT-BC302144  Gutierrezia sarothrae A. M. White 1974-6-5 1418 Riverside Ca. 2.5 mi. from Corona freeway, Alberhill turnoff Comment
  RSA0066620  Harpagonella palmeri A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32568 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA0066621  Harpagonella palmeri A. C. Sanders 2006-5-19 32379 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR151247  Harpagonella palmeri Steve Boyd 2001-4-12 10414 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  RSA0066635  Harpagonella palmeri D. L. Banks, S. D. Boyd 1995-5-9 398 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  GMDRC6565  Helianthemum scoparium J. M. Andre 2012-6-15 30521 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 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
  CHSC356  Helianthus gracilentus V. Holt 1942-3-29 Riverside Santa Rosa mountains. Comment
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Feb 10 2009
  CSUSB992  Heliotropium curassavicum var. oculatum J. Operskalski 1976-4-28 Riverside Highway 60, East Pigeon Pass Road. Comment
  RSA289838  Heliotropium curassavicum var. oculatum B. A. Prigge 1980-9-17 4076 Riverside Coachella Valley Stormwater Channel: 1.5 miles N of Coachella where Dillon Road crosses channel. -12 Comment
  RSA525279  Hemizonia fasciculata Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4593 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  SEINET7067549  Hemizonia fasciculata A. G. Vestal 1947-6-13 s.n. Riverside About 2.5 miles northeast of De Luz. Coordinate datum: NAD27. UTM Zone 11, 473710mE, 3702441mN. Comment
  UCR140717  Hemizonia kelloggii A. C. Sanders 2004-5-12 27888 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR211882  Hemizonia mohavensis Valerie Soza, Steve Boyd, Neil Gilbert 2000-12-6 1068 B Riverside Peninsular Range; San jacinto Mountains, Keen Camp Road, east of Hwy 74, west of entrance gate to Camp Tahquitz Meadows 1402 Comment
  UCR82773  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15780 Riverside San Jacinto Mtns., N slope of mtns.: Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west 1189 Comment
  RSA644391B  Hemizonia paniculata Steve Boyd 1991-5-30 6319 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  RSA692251  Hemizonia paniculata Scott D. White, Michael Honer 2003-5-27 9402 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  UCR281264  Hesperolinon micranthum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 44 Riverside Perris-Aguanga Basin, Menifee, S side of Bundy Canyon Rd., E side of Loerch Ln., 0.2 miles W of Murrieta Rd. 518 Comment
  POM19368  Heterocodon rariflorum Mary F. Spencer 1923-7-23 2216 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  POM9845  Heterotheca horrida subsp. cinerascens E. C. Jaeger 1921-11-15 s.n. Riverside Morongo Pass Comment
  RSA785237  Heterotheca sessiliflora var. sanjacintensis J. C. Semple, J. Chimielewski 1987-9-30 8981 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr. Comment
  CAS-BOT-BC312304  Heterotheca villosa var. nana John Roos; Lucille Roos 1950-10-21 5011 Riverside Wonderland of Rocks, Little San Bernardinno Mts. 1219 Comment
  RSA0036012  Heuchera hirsutissima Robert F. Thorne, Walter Wisura 1977-9-17 50801 Riverside San Jacinto Mountain: summit 3293 Comment
  CLARK-A1528-3227  Hibiscus denudatus John C. Roos 1958-2-22 Riverside Chuckwalla Mountains Comment
  IRVC28828  Hibiscus denudatus Mark A. Elvin 2005-4-26 4231 Riverside Coachella Valley/Indio Hills; N of I-10. Northern Sonoran Desert 198 Comment
  SD187381  Hirschfeldia incana Scott D. White, Angelia Carey 2004-4-16 10170 Riverside Indian Creek and adjacent slopes. 548 Comment
  SEINET5554570  Hoffmannseggia glauca J. C. Roos 1965-1 s.n. Riverside 17 mi W of Blythe Colorado Desert Comment
  UC68515  Hoffmannseggia glauca H. M. Hall 1905-4-20 5829 Riverside Coachella; Colorado Desert -20 Comment
  CAS-BOT-BC207559  Hoffmannseggia microphylla Aven Nelson; Ruth Nelson 1939-3-28 3310 Riverside In the road-side swales, between Mecca and Hidden Springs Comment
  CAS-BOT-BC207567  Hoffmannseggia microphylla M. E. Jones 1906-4-27 s.n. Riverside Indio Comment
  LA45789  Hoffmannseggia microphylla Martha Hilend; 1929-7-27 363 Riverside Shaver's Well Comment
  NY43420  Hoffmannseggia microphylla C. R. Annable 1995-3-10 2260 Riverside 1.6km S of Lake Cahuilla County Park Comment
  UCR2463  Holcus lanatus F. M. Reed 1907-6-23 1434 Riverside Santa Ana River, City of Riverside, old field in the Santa Ana River bottom above the bridge on the West Riverside Road 244 Comment
  SEINET13276723 Image available Hordeum depressum Mitch Provance, Matt Amalong 2015-1 415 -13 Riverside Temecula/Murrieta Region: About 1 mile SW of Winchester, along Leon Rd. in the vicinity of Norma Way and Busby Rd. (Winchester 7.5' Q.) 438 Comment
  UCR116654  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-5-10 24248 Riverside Perris-Aguanga Basin, San Jacinto River Valley, south side of intersection of Sanderson Ave. and Ramona Blvd., c. 4 mi. NW of San Jacinto 445 Comment
  RSA0012170  Hordeum intercedens A. C. Sanders, T. B. Salvato 2011-4-4 38974 Riverside Warm Springs Valley, 0.4 mi. WNW (276 deg ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  RSA595136  Hordeum intercedens Steve Boyd, Dave Bramlet 1996-4-19 8592 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR104646  Hordeum intercedens D. E. Bramlet 1996-4-22 2459 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife area, Lovell Unit. The site is approximately 198 m east of Davis Rd. and 183 m north of the San Jacinto River. Locality was some 46 m south of the existing access road 432 Comment
  UCSB45608  Hordeum intercedens Roos, John 1952-4-23 Riverside 1 mile southeast of Perris 426 Comment
  UCR264750  Hordeum murinum Steve Boyd, Carol Boyd 2011-3-15 12304 Riverside Peninsular Ranges, Santa Rosa Mountains region., Western base of Eisenhower Mountain, southeast of The Living Desert at mouth of Deep Canyon. 366 Comment
  POM1308  Hordeum murinum subsp. glaucum Crocker, Robinson 1916-3-29 730 Riverside Elsinore near lake shore Comment
  RSA571293  Hordeum murinum subsp. leporinum Steve Boyd, Darin Banks 1994-4-5 8273 Riverside San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potreto, along the Lucas Canyon Trail. 732 Comment
  RSA788874  Horkelia clevelandii Gary D. Wallace 2003-7-8 4050 Riverside Hidden Lake. Comment
  UC114268  Horkelia clevelandii T. S. Brandegee 1889-7-1 Riverside San Jacinto Mts. Comment
  POM15086  Hulsea vestita subsp. callicarpha Mary F. Spencer 1922-6-15 1200 Riverside Prope [near] Idyllwild. San Jacinto Mt. 1220 Comment
  UCSB26725  Hulsea vestita subsp. callicarpha Wilken, Dieter 1969-6-30 Riverside 1 mile south of Idyllwild, along Riverside County Road R1, San Jacinto Mtns. 1645 Comment
  UCR149981  Hydrocotyle umbellata Scott D. White, Angelia Carey 2004-5-7 10329 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR166854  Hymenoclea salsola Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCR85286  Hymenoclea salsola Bern Schwenn 1994-3-21 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Park and vicinity, Little San Bernardino Mtns, along radio tower road in first canyon west of mouth of Pushawalla Canyon, east of Upper Thousand Palms Canyon 610 Comment
  RSA0009845  Hymenoclea salsola Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  JEPS66802  Hypericum anagalloides I. W. Clokey and E. G. Anderson 1935-8-21 6833 Riverside N. Fork San Jacinto R. 1500 Comment
  CDA7500  Hypochaeris glabra Bob Russell 1977-7-1 442 -113 Riverside Ralph Hanson Ranch, Corancho Road, 8 miles west of Temecula. Comment
  UCR171961  Hypochaeris glabra John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  JOTR34370  Hyptis emoryi Andre, Jim 2012-4-16 20887 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  POM310159  Hyptis emoryi Hulda Crooks 1946-3-2 250 Riverside Palm Springs area. 139 Comment
  RSA420158  Hyptis emoryi George B. Grant 1906-5-10 s.n. Riverside Palm Springs. Comment
  UC1595687  Hyptis emoryi W. Wisura, J. Dolan, and C. Demme 1992-4-13 4684 Riverside n base Chuckwalla Mts. (Corn Spring); n base of Chuckwalla Mts., Corn Spring Comment
  UC577724  Hyptis emoryi H. S. Yates 1936-4-6 5412 Riverside Palm Springs; San Jacinto Quad., Palm Springs Comment
  UCR216219  Hyptis emoryi Jim Andre, T. La Doux 2009-2-25 10800 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCSB5686  Hyptis emoryi Atsatt, Pete 1958-3-22 Riverside 7 miles east of Desert Center on Highway 60 & 70. Comment
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Nov 23 2014
  UCR177108  Iris pseudacorus Michael D. Wilcox 2004-5-18 s.n. Riverside San Bernardino Mtns., top of Banning Canyon along Forest Service Rd. 1372 Comment
  POM350408  Isocoma acradenia var. eremophila L. E. Hoffman 1927-08 s.n. Riverside Beaumont, Banning Pass. Comment
  RSA0062782  Isocoma acradenia var. eremophila Duncan S. Bell, Evan Meyer 2014-10-22 7658 Riverside Orocopia Mountains; southwestern section of range; in the Dos Palmas Preserve area; at the lower southwestern seeps of the preserve. -29 Comment
  UC1532802  Isoetes howellii Robert F. Thorne and Earl Lathrop 1975-5-20 45542 Riverside Rancho California, Mesa de Burro 609 Comment
  UCR22501  Isomeris arborea var. arborea C. S. Jones 1979-2-24 8 Riverside Sonoran (Colorado) Desert, 4 miles southeast of Eagle Mountain., near old Eagle Mtn. Road 305 Comment
  UCD133365  Iva axillaris R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  UCR651  Juncus balticus S. C. Warner 1956-5-19 s.n. Riverside San Jacinto Mtns., 3 mi up Bautista Canyon Road, near San Jacinto 671 Comment
  UC1495732  Juncus bryoides B. Ertter and J. Strachan 1979-6-26 2972 Riverside on Hwy. 74 in Garner Valley Kenworthy Forest Station; San Jacinto Mts., Garner Valley, Kenworthy Forest Station Comment
  RSA760325  Juncus bufonius Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55214 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  SD137986  Juncus bufonius var. bufonius Darin L. Banks, Steve Boyd 1995-5-3 214 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  SDSU11812  Juncus mexicanus H. Wedberg 1962-7-28 994 Riverside In Hemet Meadow, about 1 mile S from Herkey Creek Publ. Campgr. on the road to Santa Rosa Summit, San Jacinto Mts. 1372 Comment
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Jan 24 2013
  RSA0035989  Juncus phaeocephalus var. paniculatus E. W. Lathrop 1969-5-29 7081 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  POM158452  Juncus tiehmii Phillip A. Munz 1927-5-21 10862 Riverside 2 miles S.E. of Ansa [Anza] 1372 Comment
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Jan 6 2015
  POM319680  Juncus xiphioides Patricia Wilder 1971-3-20 4894 Riverside Santa Ana River. Santa Ana River Drainage Area. 244 Comment
  SD187311  Juncus xiphioides Scott D. White, Angelia Carey 2004-5-7 10330 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UC1543216  Juncus xiphioides Donald G. Nelson 1936-5-22 398 Riverside n of Ribbon Wood Camp (Pines to Palms Highway, near base of Santa Rosa Mountains, on trail down to stream in Palm Springs Canyon); Palm Canyon Comment
  UC1563099  Juncus xiphioides Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3551 Riverside just s Vail Lake (in Kolb Creek); Vail Lake Area, Kolb Creek Comment
  JEPS48326  Juniperus californica W. L. Jepson and W. C. Mathews 1914-5-18 6036 Riverside w of Pinyon Well Comment
  RSA605787  Juniperus californica Scott D. White 1995-12-30 3803 Riverside Perris Basin, SW of Perris, above S bank of San Jacinto River. 441 Comment
  UC1929342  Juniperus californica Scott D. White, Angelia Carey 2004-7-2 10578 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. Comment
  CAS-BOT-BC234591  Justicia californica Ira L. Wiggins 1941-3-27 9689 Riverside 9 miles west of Desert Center Comment
  LA202777  Justicia californica E. McClintock; R. Erickson 1937-11-6 sn Riverside Palms to Pines Highway 152 Comment
  UC68703  Justicia californica H. M. Hall Apr., 1905 5776 Riverside 10 mi. w. Coachella; Colorado Desert 91 Comment
  UC888135  Justicia californica Lewis S. Rose 1938-12-18 38325 Riverside Palm Springs 137 Comment
  UCR244422  Justicia californica Jim Andre 2012-4-16 20917 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  RSA683916  Kallstroemia californica Michael Denslow 2003-9-13 1546 Riverside Shavers Valley; I-10 at Mecca Exit, Box Springs Road. 470 Comment
  UCR89730  Kallstroemia californica J. M. Stewart 1990-9-23 661 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  UCR4248  Keckiella antirrhinoides J. R. Sweeten 1965-5-15 022 Riverside San Bernardino Mtns., Whitewater Canyon, about 1.5 mi from Hwy 60 and about 30 yards to the west of Whitewater Canyon Rd. 488 Comment
  UCR243156  Keckiella antirrhinoides subsp. antirrhinoides LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4287 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  UC667334  Keckiella antirrhinoides var. microphylla Annie M. Alexander and Louise Kellogg 1941-5-24 2215 a Riverside n base Eagle Mountains; Colorado Desert 1158 Comment
  SDSU10649  Keckiella cordifolia Garrison 1962-7-16 7 Riverside Riverside County. 3 miles south of Temecula, on Hwy 395. Cismontane slope, elev. 1100 feet 335 Comment
  UCR40228  Keckiella cordifolia Steve Boyd 1985-7-23 1022 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 8.5 mi. west of Rancho California 275 Comment
  UCR57123  Keckiella cordifolia Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Ana Mtns, Santa Rosa Plateau: south of town of Murrieta, head of Cole Canyon, NW of Mesa de Burro Comment
  JEPS7926  Keckiella rothrockii var. jacintensis Carl V. Meyer 1928-7-27 557 Riverside San Jacinto Mountains, Round Valley Round Valley; San Jacinto Mountains, Round Valley 2804 Comment
  CDA3136  Kochia scoparia Scott D. White 1998-7-4 6846 Riverside Corona: River Road bridge over the Santa Ana River. Comment
  SEINET3386523 Image available Kochia scoparia R. E. Riefner Jr. 2006-5-30 214 Riverside Romoland, Sherman Rd. near Ethanac Rd 440 Comment
  POM353056  Koeleria macrantha N. C. Cooper 1944-3-24 1044 Riverside Banning. 701 Comment
  CAS-BOT-BC273674  Koeleria pyramidata H. M. Hall 1901-6-1 2131 Riverside San Jacinto Mountains. Santa Rosa Mountain. Dry hillsides of Coyote Canyon 1584 Comment
  JEPS64843  Krameria erecta Samuel B. Parish Mar 1882 Riverside Agua Caliente; Colorado Desert [near Palm Springs] Comment
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Jun 22 2012
  SEINET3151231  Krameria parvifolia G. B. Grant 1906-1 658 Riverside Colorado desert at Palm Springs Comment
  CAS-BOT-BC272428  Lamarckia aurea H. M. Hall 1900-5-29 1385 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 533 Comment
  RSA543136  Lamarckia aurea Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6125 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  SDSU17492  Lamarckia aurea Jerry Jenkins 2001-3-31 2001 -014 Riverside Santa Margarita Ecological Reserve. Edge of avacado grove west of station and just above river. UTM zone 6, 481900E, 3699200N. UTM transfered to GIS. Comment
  CAS-BOT-BC170704  Larrea tridentata G. P. Rixford 1907-11-25 s.n. Riverside Between Yuma and Needles, Colorado River Comment
  POM7118  Larrea tridentata Philip A. Munz, L. T. Street 1919-3-25 2306 Riverside Palm Canyon, Palm Springs. 229 Comment
  RSA652036  Larrea tridentata Marion P. Harthill 1971-3-19 19 Riverside Palm Desert. Comment
  UC571107  Larrea tridentata Margaret Stason 1927-3-12 Riverside Painted Canyon; Colorado Desert Comment
  UCR167431  Larrea tridentata 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
  HSC85280  Lasthenia californica Steve Boyd 1986-5-1 1821 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  POM6021  Lasthenia coronaria M. Alice King 1893-1 s.n. Riverside Menifee. Comment
  RSA695657  Lasthenia coronaria J. R. Bruff 1927-3-12 3 -I Riverside San Gorgonio River near Cabazon [note that label reads San Bernardino Co.] Comment
  UCR109450  Lasthenia coronaria A. C. Sanders 1995-4-13 16510 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
  RSA556488  Lasthenia glabrata subsp. coulteri Julie Greene 1993-3-13 1058 Riverside On the berm between the western ponds 440 Comment
  UCR143140  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1997-3-13 2490 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Nichols Road Wetlands, c. 275-335m SE of Nichols Road, 91m west of Collier Ave. and 196-305 m west of the I-5, east of the dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  POM356985  Lasthenia gracilis R. F. Thorne 1973-5-23 43868 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA356712  Lasthenia gracilis R. F. Thorne 1975-5-20 45512 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  SDSU2771  Lasthenia gracilis D. Hunsaker 1962-3-30 Riverside Ryran Field, 3 miles west of Hemet. 457 Comment
  UC34661  Lasthenia gracilis H. M. Hall 1902-4-26 2971 Riverside vicinity Riverside; Box Springs Mt. 701 Comment
  UCR92368  Lasthenia gracilis F. M. Reed 1926-5-7 5317 Riverside Peninsular Range; Perris Basin, hills south of Perris [presumably in vicinity of Quail Valley] 427 Comment
  RSA406644  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1947-5-5 2045 Riverside Los Alamos Canyon, Elsinore 762 Comment
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Nov 26 2011
  SD8723  Lathyrus vestitus var. alefeldii Daniel Cleveland 1882-5-5 Riverside Temecula Comment
  SDSU14267  Lathyrus vestitus var. alefeldii Ryan Jacobson, Jeremy Mass 2000-4-19 8 Riverside Santa Margarita Ecological Reserve. Near west bank of Stone Creek, about 1 mile north east of south-side facility. 177 Comment
  CAS-BOT-BC379670  Layia platyglossa Robert F. Thorne; Earl Lathrop 1969-5-12 37946 Riverside Santa Rosa Plateau: Mesa de Colorado, Racho California 624 Comment
  SEINET7063241  Layia platyglossa A. G. Vestal 1963-5-19 s.n. Riverside About 5.5 miles southwest of Cahuilla on Route 371 [Cahuilla Road]. UTM Zone 11, 515481mE, 3705072mN. (WGS84/NAD83). 887 Comment
  UCR12202  Layia platyglossa S. W. Berthel 1971-5-27 s.n. Riverside Box Springs Mtns, Just above 'C' Comment
  POM361701  Layia platyglossa subsp. campestris B. C. Templeton, I. W. Clokey 1930-4-9 1024 Riverside Near Banning 500 Comment
  RSA395899  Layia platyglossa subsp. campestris Steve Boyd 1986-4-22 1764 Riverside Temescal Canyon; W side of Indian Wash, S of I-15 Comment
  UCR201466  Lemna minuta Scott D. White, Justin M. Wood 2008-5-15 11978 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA653238  Lemna valdiviana Mitch Provance, A. C. Sanders 2000-7-4 2098 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  UCR113550  Lepidium densiflorum Mitch Provance, Juanita Provance, Seychelle Provance 2000-9-3 2222 B Riverside Riverside, Canyon Crest, apartments on the NE ocrner of Chicago and Central. 280 Comment
  RSA563906  Lepidium dictyotum A. C. Sanders 1993-4-1 13669 Riverside Western Edge of Hemet, 14 acre parcel at NE corner of intersection of Myers and Devonshire Ave., 3/4 mi. NE of intersection of Florida Ave. (Hwy 74) and Warren Rd. just south of Tres Cerritos. 460 Comment
  UCR260871  Lepidium lasiocarpum A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-8 41576 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
  UC809724  Lepidium lasiocarpum var. lasiocarpum Philip A. Munz 1949-4-13 13061 Riverside above Cottonwood Springs (w end of Eagle Mts.); Colorado Desert, Eagle Mts. 1143 Comment
  HSC85408  Lepidium nitidum Steve Boyd 1986-4-2 1621 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR59678  Lepidium nitidum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3033 Riverside Peninsular Range, Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 488 Comment
  JEPS53779  Lepidium virginicum W. L. Jepson 1901-5-25 1457 Riverside Coyote Canyon to Van Deventer Ranch; Santa Rosa Peak Comment
  RSA735850  Lepidium virginicum var. robinsonii Scott D. White, Justin Wood 2008-4-15 11873 Riverside Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  RSA697080  Lepidospartum squamatum Anonymous 1928-11-12 381 Riverside Aguanga. Comment
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Oct 23 2011
  SDSU13577  Lepidospartum squamatum W. Miller with C. Mosse 1972-8-9 Riverside Comment
  UC64801  Lepidospartum squamatum E. E. Schellenger 1904-10-15 45 Riverside Whitewater wash Colorado Desert Comment
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Jan 1 2015
  UCD64017  Leptochloa fusca subsp. uninervia Edward G. Wegenek 1970-8-24 - 955 Riverside s.e. Riverside County: Blythe area. Comment
  UCD64135  Leptochloa panicea subsp. mucronata Malcom A. Nobs; S. Galen Smith 1948-9-3 489 Riverside Imperial Valley, 2 miles north of Indio. Comment
  RSA282757  Leptosiphon lemmonii C. W. Tilforth, B. Busenberg 1980-10-6 1975 Riverside 0.1 miles in from Highway 74 on north leg of Thomas Mtn. Rd., 1 mile south of /lake Hemet. Comment
  SD81281  Leptosiphon lemmonii Darley F. Howe 1969-5-15 4590 Riverside Near Cripping Springs Campground. 456 Comment
  RSA500182  Leptosiphon parviflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3537 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  POM10235  Lessingia glandulifera var. glandulifera Charlotte M. Wilder 1904-7-6 272 Riverside Wilder's Canon. Jurupa Hills. Comment
  SD5322  Lessingia glandulifera var. glandulifera F. Youngberg 1933-8-28 Riverside Idylwild Pines San Jacinto Mountains. Comment
  RSA544405  Leymus triticoides Steve Boyd, Timothy S. Ross 1991-6-14 6373 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 Spings. Comment
  MACF020319  Libocedrus decurrens B. Thomas 1967-12-29 59 - Riverside On Hwy. 74 coming up from Palm Desert. On the roadside, the one obvious specimen 20 feet from the road on the otherside of a barbed wire fence beside a ditch. 1493 Comment
  UC1035029  Lilium parryi Albert M. Vollmer Jul 1 1950-Jul 7 1950 Riverside Stony Creek; San Jacinto Mountains Comment
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Mar 10 2013
  UC1873113  Limonium R. E. Riefner Jr. 2006-8-2 06 -356 Riverside Temescal Valley, W side of I-15 Freeway, ca. 1.1 mi N of Temescal Canyon Road 289 Comment
  POM364702  Linanthus bigelovii Anstruther Davidson s.n. Riverside Palm Springs. Comment
  RSA772416  Linanthus bigelovii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4849 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UC1537477  Linanthus dianthiflorus Gordon H. True Jr. 1935-3-1 31 Riverside Box Springs 365 Comment
  POM364579  Linanthus dianthiflorus subsp. dianthiflorus E. Crow 1929-4-7 H.- 8284 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  POM364587  Linanthus dianthiflorus subsp. dianthiflorus Ora M. Clark 1929-3-16 H.- 6998 Riverside South of Cabazon. Comment
  JOTR16800  Linanthus dichotomus subsp. dichotomus 1986-4-15 s.n. Riverside Joshua Tree National Park. LOWER COVINGTON FLAT Comment
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Feb 25 2013
  JOTR34179  Linanthus dichotomus subsp. dichotomus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 140 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  RSA369630  Linanthus jonesii R. F. Thorne, M. Z. Thorne 1973-3-30 42680 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UCR114126  Linanthus jonesii B. G. Pitzer, J. Ross 1998-3-8 3608 .2 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR85241  Linanthus jonesii A. C. Sanders, P. J. MacKay, C. L. Sanders, M. Jacobsmyer 1995-3-5 15996 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
  JEPS58458  Linanthus lemmonii W. L. Jepson 1901-5-19 1296 Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  RSA646295  Linanthus lemmonii Orlando Mistretta, Mark Elvin 1995-6-19 1776 Riverside Highway 74. 1418 Comment
  UC73619  Linanthus liniflorus Miss M. A. King 1893-1 Riverside Menifee Comment
  SDSU3189  Linanthus liniflorus subsp. pharnaceoides F. Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mtns. Comment
  UCSB24764  Linanthus pungens Tucker, B. 1966-5-8 Riverside Above base of Palm Springs Aerial Tramway near Palm Springs 516 Comment
  CAS-BOT-BC432279  Lithophragma affine Frank W. Peirson 1922-5-19 4189 Riverside San Jacinto River 1143 Comment
  RSA0010981  Lithophragma affine P. A. Munz, I. M. Munz 1922-5-19 5387 Riverside 3 miles west of Keen Camp. 1494 Comment
  SDSU13696  Lobularia maritima James C. Dice, Virginia Moran 1987-11-28 759 Riverside South rim of Temecula Gorge, in dirt road near locked gate. T8S, R3W, NE 1/4 of SE 1/4 of Section 27. 305 Comment
  POM13790  Loeflingia squarrosa P. A. Munz 1922-4-30 5137 Riverside Hills south of Tuscaluta Creek from Aguanga to Hemet Comment
  RSA593877  Loeflingia squarrosa Steve Boyd, David E. Bramlet 1996-4-19 8623 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, E base of rounded hill at the N end of California Avenue, N of Stetson Avenue 457 Comment
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Mar 20 2011
  UC465549  Loeflingia squarrosa var. squarrosa Fred M. Reed 1907-6-9 1394 Riverside Ba<?> Ranch Riverside (Sec. 30) Comment
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Jul 30 2006
  POM201348  Loeseliastrum schottii A. M. Alexander, Louise Kellogg 1941-5-15 2174 Riverside North base of Eagle Mountain. 884 Comment
  RSA0121170  Logfia arizonica Duncan S. Bell, LeRoy Gross 2016-3-30 9180 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  UC1563039  Logfia arizonica Steve Boyd, Tim Ross, and Laurel Arnseth 1989-3-19 3043 Riverside 0.75 mi nw dam (s flank Oak Mountain); Vail Lake area 621 Comment
  JOTR28878  Logfia depressa La Doux, Tasha, Bill Truesdell 2004-3-11 1036 Riverside Joshua Tree National Park. Pinto Basin; sand hills 530 Comment
  JOTR34008  Logfia filaginoides La Doux, Tasha, M. Harding 2010-4-7 2896 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA343108  Lolium perenne subsp. multiflorum R. F. Thorne, Walter Wisura, E. Lathrop, Sara Meury 1985-5-18 60648 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  SEINET1869724  Lolium rigidum Walter Graves 2002-1 502 -30 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  RSA561083  Lolium temulentum Steve Boyd, Orlando Mistretta 1992-4-22 6999 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  SBBG94825  Lomatium utriculatum W. Weltkamp 1990-4-12 Riverside Santa Rosa Plateau, NW corner of Mesa de Burro 762 Comment
  SD120074  Lomatium utriculatum Louis B. Ziegler 1969-5-18 345 Riverside San Jacinto Mountains, Hemet Valley near Pine Meadows, bottom of valley floor 1435 Comment
  SEINET7073338  Lomatium utriculatum A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCR102889  Lomatium utriculatum A. C. Sanders 1997-4-3 20174 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  SEINET4604437 Image available Lophocereus schottii Marc A. Baker, Michelle Cloud-Hughes, Tim Thomas, and Alice Karl 2013-9-26 17802 Riverside Chuckwalla Mountains, south side of Corn Springs Wash, 600m ESE of Corn Spring, 12.2 km SE of Desert Center, 70km west of Blythe 480 Comment
  RSA0012655  Lotus corniculatus LeRoy Gross, Caitlin Elam 2013-5-14 6082 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR114338  Lotus hamatus Mitch Provance 2000-5-5 2017 Riverside Riverside, Box Springs Mtns., canyon c. 0.5 mi. NE of peak 2553 and c. 0.5 mi. SW of the old landfill off Pigeon Pass Rd. 488 Comment
  UCR154821  Lotus hamatus A. C. Sanders, Mike Misenhelter 2005-3-23 29285 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  POM1885  Lotus heermannii H. M. Hall 1901-06 2379 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  RSA297753  Lotus heermannii Barbara Ertter, J. Strachan 1979-6-26 2988 Riverside Banning - Idyllwild Road (Highway 243) at Black Mountain turnoff (Forest Road 4S01). Comment
  RSA552712  Lotus heermannii Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-25 6681 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  RSA586334  Lotus heermannii var. heermannii D. L. Banks, S. D. Boyd 1995-5-3 0199 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
  UCR241928  Lotus humistratus A. C. Sanders, John F. Green 2013-3-27 40686 Riverside Peninsular Range, Alberhill, dirt track NE of new section of Nichols Rd. south of Lake St. 416 Comment
  POM12088  Lotus nevadensis var. nevadensis Mary F. Spencer 1921-6-2 89 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  UC219318  Lotus nevadensis var. nevadensis P. A. Munz 1922-6-27 5851 Riverside Santa Rosa Santa Rosa Mts. 2011 Comment
  POM2464  Lotus oblongifolius H. M. Hall 1901-07 2380 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  UC864749  Lotus purshianus var. purshianus I. W. Clokey and E. G. Anderson 1935-8-31 6720 Riverside Hemet Lake 1030 Comment
  RSA498786  Lotus rigidus F. W. Peirson 1920-2-16 s.n. Riverside Murray Canyon, Palm Springs region. 274 Comment
  UCR158268  Lotus salsuginosus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29494 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
  CSUSB1263  Lotus scoparius A. P. Donaldson 1966-4-9 Riverside Collected by the roadside about 30 yards off 6.7 miles from turnoff to Hemet from Highway 60. 365 Comment
  UCR102734  Lotus scoparius var. brevialatus B. G. Pitzer 1998-1-25 3426 Riverside Lakeview Mtns, Pulsar View Road, c. 0.5-0.75 mile uphill from the water tank at base of hills on Warren Road; c. 1 mile (airline) north of Juniper Flat Road 610 Comment
  UCR98081  Lotus scoparius var. brevialatus A. C. Sanders, G. Helmkamp 1997-3-15 19943 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  CSUSB1252  Lotus strigosus D. T. Wright 1966-5-16 Riverside 8 miles southeast of Banning on Banning- Idyllwild road at Hurley Flats Road, San Jacinto Mountains. Comment
  RSA556448  Lotus strigosus Julie Greene 1993-4-30 1282 Riverside S of visitor center road and N of the old San Jacinto River drainage. 433 Comment
  RSA702212  Lotus strigosus Scott D. White, Michael Honer 2004-3-11 9901 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  UC864905  Lotus strigosus Lewis S. Rose 1937-4-9 37088 Riverside Banning 706 Comment
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Mar 13 2011
  UCR172194  Lotus strigosus 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
  UCR178302  Lotus strigosus T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 922 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  UCR22099  Lotus strigosus Steve Boyd 1980-4-27 149 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  RSA633870  Lotus strigosus var. hirtellus R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38112 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  POM115637  Lotus tomentellus A. M. Alexander 1941-5-15 2186 Riverside Base of Eagle Mountains. 915 Comment
  RSA480075  Lotus tomentellus Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2166 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA406280  Lotus unifoliolatus M. B. Dunkle 1933-7-20 3699 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA501009  Lotus wrangelianus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3128 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA525455  Lotus wrangelianus Steve Boyd, David E. Bramlet 1990-4-29 4500 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  JEPS48838  Lupinus arizonicus Marjorie D. Clary 1932-5-9 945 Riverside Shavers Well to Desert Center; Shavers Well to Desert Center Comment
  POM349952  Lupinus arizonicus N. C. Cooper 1944-3-25 2016 Riverside Morongo Pass. 457 Comment
  POM349963  Lupinus arizonicus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCSB8837  Lupinus arizonicus Bell, David 1969-3-31 Riverside River Bend Campground; along U.S. Highway 95; 15 miles north of Blythe, Mojave Desert 152 Comment
  CLARK-A1528-492  Lupinus bicolor Annette Price 1962-5-1 O 58 Riverside Murrieta Comment
  SDSU13985  Lupinus bicolor Michael G. Simpson 2000-4-30 2080 Riverside Disturbed grassy field ssw of Southside field station (Henderson House), Santa Margarita Ecological Reserve (SDSU). 122 Comment
  UCR108398  Lupinus bicolor subsp. marginatus D. L. Banks, V. W. Steinmann 1997-3-13 1460 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  POM350061  Lupinus bicolor subsp. microphyllus Christopher Davidson, B. Gustafson 1977-4-7 5580 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  RSA414457  Lupinus brevior Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA771626  Lupinus concinnus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4996 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
  UCR87659  Lupinus concinnus A. C. Sanders 1994-5-29 14565 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  RSA543773  Lupinus concinnus subsp. concinnus Steve D. Boyd 1991-5-7 6175 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  POM123545  Lupinus concinnus subsp. optatus Philip A. Munz 1924-5-18 8140 Riverside 18 miles outh of Banning, San jacinto Mts. 1524 Comment
  RSA164794  Lupinus excubitus var. hallii Wesley O. Griesel 1963-5-4 771 Riverside Road between Beaumont and Oak Glen. 1067 Comment
  RSA585744  Lupinus excubitus var. hallii D. L. Banks, S. D. Boyd 1995-5-9 0408 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  UCD107728  Lupinus excubitus var. hallii Geoffrey Levin 1975-4-26 490 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. 335 Comment
  JOTR01084  Lupinus excubitus var. hallii Cole, James E. 1941-5-19 720 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1402 Comment
  JEPS64932  Lupinus formosus Carl V. Meyer 1929-6-18 773 Riverside Upper Hemet Valley; San Jacinto Mts., Upper Hemet Valley Comment
  POM26888  Lupinus formosus var. formosus Marcus E. Jones 1903-5-11 11610 Riverside Banning. 701 Comment
  RSA413655  Lupinus formosus var. formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA561812  Lupinus hirsutissimus Steve D. Boyd 1992-4-14 6832 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  UCR87647  Lupinus hirsutissimus A. C. Sanders 1994-5-30 14603 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  SD136844  Lupinus latifolius var. parishii Steve Boyd 1992-4-15 6851 Riverside Santa Ana Mountains, San Mateo Canyon wilderness Area, Bluewater Canyon along Bluewater Tr. Downstream to the confluence with San Mateo Creek 334 Comment
  UCR17750  Lupinus microcarpus var. densiflorus O. F. Clarke 1973-4-6 s.n. Riverside San Jacinto Mtns, Juaro Canyon, lower west side of the mountains near Soboba Hot Springs 549 Comment
  SEINET7063561 Image available Lupinus odoratus A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  RSA413489  Lupinus shockleyi Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7810 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  CDA27580  Lupinus sparsiflorus T. C. Fuller 1964-4-14 11817 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  UCR241404  Lupinus succulentus T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7448 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  CLARK-A1528-2855  Lupinus truncatus John C. Roos 1937-5-2 1401 Riverside La Sierra Comment
  UCR138827  Lupinus truncatus D. L. Banks 1997-2-23 1311 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  CAS-BOT-BC231426  Lycium andersonii Mrs. Robert Campbell 1921-11-26 12 Riverside Palm Canyon Comment
  SEINET3077750 Image available Lycium andersonii var. deserticola Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-21 6431 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe. 290 Comment
  POM96841  Lycium andersonii var. deserticola F. M. Reed 1926-5-5 5289 Riverside Banks of the Arroyo Tequesquite 244 Comment
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May 1 2011
  JOTR36471  Lycium parishii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3440 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  UCR111531  Machaeranthera canescens subsp. canescens A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22282 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  UCR60656  Machaeranthera canescens subsp. ziegleri L. B. Ziegler 1969-9-30 s.n. Riverside Santa Rosa Mtns, north slope of Santa Rosa Mtns. 2287 Comment
  CSUSB1553  Machaeranthera tephrodes Jeanne Cox 1973-7-17 S. N. Riverside Near 91 freeway 304 Comment
  UCR35115  Malacothamnus fasciculatus L. B. Ziegler 1964-9-1 018 Riverside San Jacinto Mtns., Garner (Hemet) Valley, divide between south fork of San Jacinto River and Palm Canyon, beside Hwy 74. 1494 Comment
  JEPS36601  Malacothrix californica Carl V. Meyer 1929-6-18 769 Riverside near Hemet Lake; San Jacinto Mts., Hemet Valley Comment
  CLARK-A1528-2007  Malacothrix clevelandii John C. Roos 1954-5-15 6119 Riverside Reche Canyon 731 Comment
  RSA627852  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside Foothills NNE of Beaumont. 950 Comment
  SD136903  Malacothrix clevelandii Steve Boyd 1992-4-14 6837 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. 340 Comment
  UCR24138  Malacothrix clevelandii John C. Roos 1950-4-22 4756 Riverside 0.3 mi NE of summit of Reche Canyon 762 Comment
  UCR90378  Malacothrix clevelandii D. L. Banks, P. Morrell 1995-5-4 0310 Riverside Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail, on hills north of Wildhorse Peak. 732 Comment
  CAS-BOT-BC347697  Malacothrix glabrata A. C. Sanders; Mitch Provance; T. B. Salvato 2001-4-6 23934 Riverside Western Colorado Desert: Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  CAS-BOT-BC347701  Malacothrix glabrata A. C. Sanders; J. Dice; K. Rose; D. Woodard 1995-3-29 16274 Riverside San Jacinto Mtns./San Gorgonio Pass: alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village Comment
  UC68991  Malacothrix glabrata H. M. Hall June, 1905 6237 Riverside vicinity Riverside 304 Comment
  UCR279412  Malacothrix glabrata A. C. Sanders, Jim Malusa 2017-3-25 43006 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  SEINET10800084  Malacothrix glabrata Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 Holmgren 6452 Riverside Rice Valley, 12.3 miles south of Rice. 274 Comment
  RSA94960  Malacothrix stebbinsii F. W. Peirson 1921-3-22 2715 Riverside Murray Canyon, south side in canyon 457 Comment
  CAS-BOT-BC170383  Malosma laurina E. W. Lathrop 1965-5-23 5763 Riverside 8 miles W of Murrieta 609 Comment
  SDSU13589  Malosma laurina W. Miller, C. Mosse 1972-7-5 Riverside Comment
  UCR235060  Malvella leprosa A. C. Sanders, John F. Green 2012-5-27 40206 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  CAS-BOT-BC216177  Marina parryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center, Colo Desert Comment
  UCR237636  Marina parryi Duncan S. Bell, Amanda Turek 2010-4-10 791 Riverside Riverside Mountains, southern section of the mountain range, c. 1 air mi southwest of Riverside Mountain Peak 269 Comment
  UCR155812  Matricaria occidentalis John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  POM8822  Melica frutescens I. M. Johnston 1920-5-8 2274 Riverside Butte due west of Lakeview Comment
  UCR24057  Melica frutescens John C. Roos, Lucille Roos 1949-4-23 4283 Riverside Sonoran (Colorado) Desert, Lost Palms Wash, Eagle Mountains 823 Comment
  UCR26317  Melica frutescens John C. Roos 1948-5-1 3810 Riverside San Bernardino Mtns., Whitewater 518 Comment
  RSA484228B  Melica imperfecta Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  UC69354  Melica imperfecta Geo. R. Hall 1901-3-31 1714 Riverside near Riverside Comment
  UCD87744  Melica imperfecta A. A. Beetle 1944-4-27 3007 Riverside West of Murietta. Comment
  UCR100314  Melica imperfecta B. G. Pitzer 1997-4-20 3170 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
  CLARK-A1528-2861  Melilotus albus John C. Roos 1965-7-3 Riverside Riverside Comment
  UCR130877  Melilotus albus A. C. Sanders, K. C. Rose 1999-5-28 22791 Riverside Coachella Valley, between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10 18 Comment
  RSA509551  Melilotus indicus Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyon Road. 366 Comment
  POM299267  Menodora scoparia A. M. Alexander, Louise Kellogg 1941-5-21 2208 Riverside Colorado Desert: bed of canyon near its mouth, north slope of Eagle Mountains. 1159 Comment
  UCR149976  Mentha spicata Scott D. White 2000-11-15 8151 Riverside Peninsular Range; San Jacinto Mtns, Idyllwild area, 'Strawberry Fuelbreak' betwen 'Inspiration Point' and Strawberry Creek 1646 Comment
  POM48876  Mentha spicata P. A. Munz, I. M. Johnston 1924-7-26 8709 Riverside In San Jacinto Mountains, ca. 7 miles S of Banning. 1067 Comment
  HSC85404  Mentzelia affinis Steve Boyd 1986-4-20 1722 Riverside Gavilan Hills: Santa Rosa Rd. just W of Piedras Rd. Comment
  RSA523549  Mentzelia affinis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4009 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  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
  RSA782078  Mentzelia albicaulis Duncan S. Bell 2009-3-9 116 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  CSUSB822  Mentzelia involucrata M. Quinlan 1974-4-18 Riverside Found in Riverside county about 4 miles from Palm Springs in the Agua Caliente Indian Reservation located in the San Andreas canyon. 304 Comment
  JOTR31930  Mentzelia involucrata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2170 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  SEINET3094591 Image available Mentzelia involucrata Norman C. Cooper 1949-4-8 3249 Riverside Mecca Pass E of Indio. 457 Comment
  UC809741  Mentzelia involucrata Philip A. Munz 1949-4-12 13032 Riverside North base of Eagle Mts. Mohave Desert 944 Comment
  UCR148479  Mentzelia involucrata John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  POM126251  Mentzelia involucrata var. megalantha Thomas Craig 1927-4-2 25 Riverside Canyon near Hidden Springs. Comment
  POM98705  Mentzelia involucrata var. megalantha P. A. Munz 1926-1-31 9951 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA49364  Mentzelia involucrata var. megalantha P. A. Munz 1949-4-11 13001 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  RSA69581  Mentzelia involucrata var. megalantha F. W. Peirson 1933-4-15 10652 Riverside Whitewater River, 4.5 miles above the bridge. 701 Comment
  POM17935  Mentzelia micrantha P. A. Munz 1923-6-14 7121 Riverside Glen Ivy Trail to Santiago Peak 1067 Comment
  RSA604767  Mentzelia obscura A. C. Sanders, B. Pitzer, D. Charlton, J. Kniffen 1986-3-3 6074 Riverside Corn Spring, Chuckawalla Mtns, wash below the spring and wash and rocky slopes to the south. 488 Comment
  RSA660486  Mesembryanthemum nodiflorum A. C. Sanders, K. C. Rose 1998-5-21 21853 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  RSA585784  Micropus californicus var. californicus D. L. Banks, S. D. Boyd 1995-5-9 0397 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  SEINET273065  Microseris douglasii A. C. Sanders 1997-3-26 20131 Riverside Lake Skinner area: N edge of large clay patch adjacent to the Skinner entrance road ca. 1-2 km NE of Borel Rd. 1550 Comment
  UCR112009B  Microseris douglasii subsp. douglasii A. C. Sanders, T. B. Salvato 2000-5-25 23410 B Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR104969  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-5-5 2339 Riverside In a tributary to Olsen Canyon, 366m east of the El Sobrante landfill and 610 m north of Dawson Canyon. The site is some 91 m north of the existing NE-SW access road to the Black Rocks region 415 Comment
  UCR217528  Microseris douglasii subsp. platycarpha Kim Sparks, John Dvorak 2010-4-12 008 Riverside Perris-Aguanga Basin, French Valley, southeast foot of the Hogbacks, south of Warm Springs Creek, 0.9km east-southeast of the intersection of Auld Road and Hwy 79 407 Comment
  RSA501038  Microseris lindleyi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3159 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR133406  Microseris lindleyi Tracy Tennant, J. S. Ross 1998-5-7 MOR- 112 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  RSA0018781  Mimetanthe pilosa Scott D. White 2000-8-5 8114 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  RSA550790  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-19 1071 Riverside Joshua Tree National Monument. Hidden Valley Campground, 14 rd. mi. S of Joshua Tree town. 1296 Comment
  UCR149849  Mimulus aurantiacus var. puniceus Scott D. White, Michael Honer 2004-4-6 10043 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  CLARK-A1528-4233  Mimulus bigelovii John C. Roos 1947-2-15 3260 Riverside Hayfield Comment
  JOTR28918  Mimulus bigelovii var. bigelovii La Doux, Tasha 2005-2-7 1154 Riverside Joshua Tree National Park. Above Hayfield Dry Lake 553 Comment
  RSA703474  Mimulus bigelovii var. bigelovii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1417 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UC56260  Mimulus bigelovii var. bigelovii H. M. Hall 1902-4-11 2804 Riverside Coyote Canyon, w borders of desert Colorado Desert 137 Comment
  RSA47935  Mimulus brevipes N. C. Cooper 1943-9-11 924 Riverside Below Idlewild. 915 Comment
  POM19085  Mimulus clevelandii P. A. Munz 1923-6-14 7062 Riverside Glen Ivy Trail to Santiago Peak 1220 Comment
  UC27069  Mimulus floribundus Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UCR202242  Mimulus fremontii 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
  UCSC000869  Mimulus fremontii Peter Kamb 1948-7-4 1173 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  UC454134  Mimulus fremontii var. fremontii I. J. Condit 1910-6-24 Riverside road to Idyllwild; San Jacinto Mts. 914 Comment
  RSA650917  Mimulus guttatus Sandy Gray 1981-5-15 24 Riverside Hwy 60 - Beaumont. North Cherry Valley to Bogart Park. Comment
  UCR145828  Mimulus guttatus June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR43426  Mimulus johnstonii B. G. Pitzer 1986-5-24 234 Riverside San Bernardino Mtns, Whitewater Canyon, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to c. 1/4 mi north of hatchery boundary 732 Comment
  RSA191414  Mimulus pilosus E. W. Lathrop, Robert F. Thorne 1967-9-26 6614 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  RSA544419  Mimulus pilosus Steve Boyd, Tim S. Ross 1991-6-14 6387 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
  UC454138  Mimulus primuloides I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  UCR77570  Mimulus rubellus Steve Boyd, T. S. Ross 1991-6-8 6329 Riverside San Jacinto Mtns., Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill north of Hwy 74 Comment
  UC8133  Minuartia douglasii Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  SEINET214533  Mirabilis bigelovii var. retrorsa Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 7475 Riverside Box Canyon wash; 11.4 (9 airline) mi ENE of Mecca 244 Comment
  UCD98149  Mirabilis laevis var. crassifolia Geoffrey Levin 1975-4-26 479 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. 335 Comment
  POM294052  Mirabilis laevis var. retrorsa Lyman Benson 1945-3-29 11623 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain. 610 Comment
  RSA0124374  Mirabilis laevis var. retrorsa Duncan S. Bell, LeRoy Gross 2016-3-31 9199 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  RSA464327  Mirabilis laevis var. retrorsa M. B. Dunkle 1933-3-3 3022 Riverside Devils Cactus Garden, Colorado Desert 152 Comment
  RSA678385  Mirabilis laevis var. villosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10450 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
  CLARK-A1528-638  Mirabilis tenuiloba Charlotte Stocks 1962-6-27 Riverside Whitewater Canyon Comment
  SEINET3162335  Mirabilis tenuiloba S. B. Parish 1907-4-18 6072 Riverside western border of the Colorado Desert; Southern California 150 Comment
  RSA136564  Mohavea confertiflora Peter H. Raven 1959-1-23 11432 Riverside Desert alluvial fan of Fargo Canyon. Comment
Read comments
Jun 9 2012
  RSA788973  Mohavea confertiflora Aaron C. Sedgwick, David Fraker 2012-3-28 31 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UCR1125  Mohavea confertiflora Emmylou M. Krausman 1958-3-1 09 Riverside Sonoran (Colorado) Desert, 20 yards from Pines to Palms Hwy, 2.0 miles from Hwy 111 intersection in Palm Desert 97 Comment
  UC1995306  Monardella C. Epling, Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  UCSB26224  Monardella breweri subsp. lanceolata Gliessman, Stephen 1968-7-18 Riverside Along Saunders Road, 0.5 mile north of junction with Idyllwild Road, San Jacinto Mountains 1600 Comment
  RSA786959  Monardella lanceolata Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso Comment
  POM19173  Monardella macrantha subsp. hallii P. A. Munz 1923-6-14 7088 Riverside Glen Ivy Trail to Santiago Peak. 1433 Comment
  CLARK-A1528-3149  Monardella nana John C. Roos 1946-8-27 2916 Riverside Santa Rosa Mountains 2438 Comment
  IRVC2057  Monardella nana R. H. Whittaker, W. A. Niering 1963-6-11 SJ 381 Riverside Santa Rosa mountain Road; middle of slope 20 degree E. Peninsular Ranges, Santa Rosa Mountains 1829 Comment
  UC1929645  Monardella nana Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8636 Riverside SAN JACINTO MTS: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e. southwest terminus of Double View Dr. west to creek. Comment
  RSA0014348  Monardella nana Elizabeth McClintock 1941-6-8 55 Riverside Road to Santa Rosa Mt. 0.1 miles from Pines to Palms Highway. Comment
  RSA750277  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 78 Riverside Road up Santa Rosa Mt. 2.3 miles beyond canyon where stream crosses road. Comment
  RSA768324  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 44 Riverside 5 miles from turnoff to Anza Tablet. After crossing narrow valley, passing ranch house, crossing sluggish stream, and going through second gate. Comment
  UC1499944  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-10 92 Riverside Top of Suicide Rock San Jacinto Mts. Comment
  UC1329940  Monardella robisonii James E. Cole 1941-6-7 857 Riverside Stubby Spring area Joshua Tree National Monument 1402 Comment
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Dec 6 2014
  UCR187488  Monolepis nuttalliana Diane Menuz, Theresa Johnson 2006-5-9 075 Riverside Peninsular Range; Perris Basin, San Jacinto Wildlife Area, across the street from the information booth, north of Lakeview and east of Davis Rd. 434 Comment
  CAS-BOT-BC349785  Monoptilon bellioides N. Aitkenhead 1977-2-3 2125 Riverside Moniobra Valley N. of Orocopia Mnts Comment
  CAS-BOT-BC349798  Monoptilon bellioides John Thomas Howell 1928-3-11 3419 Riverside Morongo Canon [Canyon], n. Colorado Desert 609 Comment
  UC68933  Monoptilon bellioides H. M. Hall May 1905 5989 Riverside near Indio; Colorado Desert Comment
  JOTR00922  Monoptilon bellioides Sipe, Frank 1958-3-7 249 Riverside Joshua Tree National Park. NEAR CHOLLA PATCH Comment
  JOTR34187  Muhlenbergia appressa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3236 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  UC573975  Muhlenbergia asperifolia H. S. Yates 1936-8-28 6370 Riverside 3 mi nw San Jacinto; San Jacinto Quadrangle Comment
  UCR2779  Muhlenbergia asperifolia F. M. Reed 1906-8-19 1172 Riverside Santa Ana River bed near West Riverside Bridge 236 Comment
  JOTR29218  Muhlenbergia microsperma La Doux, Tasha 2005-9-8 1331 Riverside Joshua Tree National Park. Fried Liver Wash; road 395 Comment
  RSA718830  Muhlenbergia microsperma Michael Honer, L. Hulse 2004-4-3 1921 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. 610 Comment
  SEINET238467 Image available Muhlenbergia microsperma A. C. Sanders 1998-3-11 21689 Riverside Shipley/Skinner Reserve area: North Domenigoni Hills N side of Diamond Valley along high water road of reservoir unde 549 Comment
  UC2015685  Muhlenbergia microsperma A. C. Sanders, G. Helmkamp, P. MacKay, et al. 1995-3-1 16182 Riverside Coachella Valley/San Jacinto Mtns. foothills: Chino Canyon near the Palm Springs tram station. Comment
  JOTR34099  Muhlenbergia porteri La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1008 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 1.75 mi northeast of Cottonwood Visitor Center along roadside of Rte. 11 930 Comment
  RSA192079  Muhlenbergia rigens E. W. Lathrop 1966-5-25 6333 Riverside 5 miles NW of Murrieta. Comment
  RSA595328  Muhlenbergia rigens D. L. Banks, Victor Steinmann 1996-4-20 903 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along trail to the W, approx. 50 m S of the gate to the Reserve. 451 Comment
  RSA0021445  Muhlenbergia rigens H. de Forest, Jack Rempel 1934-4-15 s.n. Riverside Jaquitz Canyon floor. 183 Comment
  RSA736532  Muilla maritima Scott D. White 2004-4-26 10238 Riverside Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  UCR241563  Muilla maritima A. C. Sanders 2013-4-16 40795 Riverside Peninsular Range; SE Gavilan Hills, SCE power line west of the San Jacinto River and south of Perris, 2 km SW of the intersection of Goetz & Ethanac roads 428 Comment
  UCR92179  Muilla maritima D. L. Banks, Steve Boyd 1995-5-3 269 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
  UC218013  Myosurus minimus P. A. Munz and I. M. Johnston 1922-5-20 5461 Riverside Hemet Valley, pool at Kenworthy; San Jacinto Mts 1432 Comment
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Mar 25 2011
  RSA356987  Myosurus minimus subsp. apus Robert F. Thorne 1973-5-23 43866 Riverside Santa Rosa Plateau-Mesa De Colorado. 610 Comment
  UCR266314  Myosurus minimus subsp. apus D. E. Bramlet 1991-4-3 2110 Riverside Perris-Aguanga Basin region, west of Hemet, west of Warren Rd. across from Hemet-Ryan Airfield 457 Comment
  SBBG34981  Myriopteris clevelandii T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning Comment
  HSC49188  Nama demissa D. L. Goforth 1979-4-11 115 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  RSA421102  Nama demissa M. B. Dunkle 1933-3-5 3074 Riverside Palm Springs. Colorado Desert. 152 Comment
  RSA784740  Nama demissa Duncan S. Bell 2012-2-12 3085 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR119340  Nama demissa B. G. Pitzer 2000-5-7 4127 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
  POM98949  Nama demissa E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  POM73704  Nama demissa var. deserti Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA0040072  Nama hispida var. spathulata Jim Andre 2014-1-27 26661 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA709188  Nama stenocarpa Chris E. True, Robert Cox 2005-7-21 s.n. Riverside San Jacinto Valley: Mystic Lake, lakeshore west of Bridge Street intersection with Gilman Springs Road. 436 Comment
  RSA575976  Narcissus tazetta Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills region, upper Arroyo del Toro along old road grad west of Bull Canyon Road. 610 Comment
  JEPS462  Nassella cernua E. Bartholomew Riverside Riverside Comment
  RSA525441  Nassella lepida Steve Boyd, D. Bramlet 1990-4-29 4486 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA464362  Nemacaulis denudata var. gracilis George B. Grant 6718 Riverside Palm Springs. 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
  RSA124981  Nemacladus glanduliferus P. H. Raven 1958-5-5 12905 Riverside Joshua Tree National Monument, Salton View 1585 Comment
  UC1979541  Nemacladus longiflorus var. breviflorus Darin L. Banks, Steve Boyd 1995-5-3 222 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of Dripping Springd Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  RSA487534  Nemacladus orientalis B. Pitzer 1988-3-10 647 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  SEINET10840516  Nemacladus rubescens Hall Hall 5838 Riverside Near Salton 30 Comment
  SEINET12336151  Nemacladus rubescens N. H. Holmgren, Holmgren, P. K.; Kern, R. E. 1973-1 6480 Riverside At the south entrance to Joshua Tre National Monument, near Interstate 10, 24 mi E of Indio 549 Comment
  RSA0123277  Nemacladus tenuis var. tenuis Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8990 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA439263B  Nemacladus tenuis var. tenuis Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA291601  Nemophila menziesii C. W. Tilforth, Walter Wisura 1979-4-11 1792 Riverside Hills on south side of Lake Skinner, east of Murrieta. 427 Comment
  UCSB10586  Nemophila menziesii Wedberg, H. 1957-3-22 Riverside Hwy. 71, near Alberhill Comment
  RSA772059  Nicotiana glauca Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4625 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SDSU11221  Nicotiana glauca James C Dice, J. DeWald 1987-10-5 734 Riverside Santa Margarita River, near aqueduct crossing. T8S, R3W, southeast 1/4 of northeast 1/4 of sction 27. 247 Comment
  SEINET3224404  Nicotiana glauca G. Goodwin 2012-6-15 3458 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UCR2899  Nicotiana glauca Paul W. White 1963-4-8 40863- 01 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, 200 yards SW of corner of Canyon Crest Dr. and [Monte] Vista Dr. 'c. 900 ft 335 Comment
  JOTR38662  Nicotiana obtusifolia Hodges, Stephen R. 2017-2-1 668 Riverside Joshua Tree National Park. Eagle Mountains, just inside the park boundary on the road to Pinto Wells Comment
  UC279712  Nicotiana obtusifolia unknown 1926-2-20 Riverside near Salton (Canyon Springs Wash); Canyon Springs Wash Comment
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Nov 5 2011
  UCR166544  Nicotiana obtusifolia Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10890 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  CAS-BOT-BC131886  Nolina parryi Philip A. Munz; P. C. Everett 1950-6-23 14919 Riverside 1.5 mi. s.e. of Kenworthy, on road toward [Coahuila] Cahuilla and Aguanga 1524 Comment
  POM212346  Nolina parryi Carl B. Wolf 1931-5-11 s.n. Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
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Mar 24 2011
  UC479192  Nolina parryi Marcus E. Jones 1931-5-17 Riverside Keyes Ranch Comment
  SBBG122762  Nuttallanthus texanus A. Parikh 1990-4-27 162 Riverside Rawson Cyn, SW of Crown Valley, 1.6 km SW of jct of Crown Valley Rd and Rawson Rd 612 Comment
  UC63697  Oenanthe sarmentosa W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Santa Ana River, Spring Brook 259 Comment
  UCR281884  Oenothera californica subsp. californica R. E. Riefner Jr. 2017-9-4 17- 452 Riverside Perris-Aguanga Basin, Wolf Valley, city of Temecula, Temecula Creek, immediately north of Temecula Lane and Canterfield Drive, vicinity of Pala Community Park 323 Comment
  LA206204  Oenothera deltoides H. Lewis; 1952-3-9 1622 Riverside about 10 mi. S of Garnet Comment
  UCR196347  Oenothera deltoides Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1428 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  POM355579  Oenothera deltoides subsp. deltoides N. C. Cooper 1949-4-9 3327 Riverside Blythe. 81 Comment
  POM355587  Oenothera deltoides subsp. deltoides Malcolm M. Rice 1922-5-5 s.n. Riverside Colorado Desert; White Water. Comment
  RSA747802  Oenothera deltoides var. deltoides Justin M. Wood 2009-3-26 402 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  RSA192047  Oenothera elata subsp. hirsutissima H. A. Zuill 1966-6-23 240 Riverside De Luz Road about 9 miles SW of Murrieta. Comment
  UCR211716  Oenothera laciniata Fred M. Roberts 2005-5-19 6262 Riverside Perris Basin, San Jacinto Valley, city of San Jacinto, east of Sanderson Road and south of the Ramona Expressway, 2.6 km south-southwest of Gilman Hot Springs 446 Comment
  UCSB4343  Oenothera sinuosa Koran, John 1958-4-14 Riverside 14.2 mi. W. of HWY111 on HWY 74; just outside of Palm Desert 609 Comment
  RSA717444  Oligomeris linifolia Scott D. White, Pam De Vries 2006-3-14 11256 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  SEINET4089734  Oligomeris linifolia G. T. Manthey 1977-1 1617 Riverside About 10 miles east of Mecca onroad going toward Joshua Tree National Forest. Comment
  SEINET8043501 Image available Oligomeris linifolia Duncan S. Bell, Evan Meyer 2014-1 6518 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UC634677  Oligomeris linifolia H. L. Mason 1928-3-10 4179 Riverside in alkaline spots along Whitewater River; along Whitewater River Comment
  RSA796109  Olneya tesota Duncan S. Bell 2009-4-20 320 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UC165053  Olneya tesota S. B. Parish 1912-6-28 8123 Riverside Mecca; Salton Basin Comment
  CDA7539  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24209 Riverside Perris-Aguanga region; Val Verde, between Moreno Valley and Perris, along I-215, 0.9 mi. S of Oleander Ave., at S end of Patterson Ave. Comment
  UCR96902  Oncosiphon piluliferum D. E. Bramlet 1992-5-6 2265 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Wildlife Area, c. 920 m NW of Lakeview, 487 m west of Davis Rd. and 46 m north of Marvin Rd 433 Comment
  POM314609  Opuntia basilaris var. basilaris J. W. Toumey 1895-4-10 s.n. Riverside Banning. Comment
  CAS-BOT-BC59013  Opuntia littoralis Carl B. Wolf 1938-6-11 9421 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  SEINET10478696  Opuntia ramosissima David B. Dunn 1946-3-16 Dunn 2083 Riverside Collected on the old stream shelf on the e side of pushawalla canyon about 1/4 Mi n of the springs. Indio hills. Comment
  UCR118178  Orcuttia californica Jack Easton, J. E. Harrison 2001-9-8 s.n. Riverside Perris-Aguanga Basin region, Menifee, immediately NE of intersection of Menifee and Scott Roads. Paloma Valley c. 1.1 mi. south of Bell Mountain 453 Comment
  JEPS46553  Orobanche Rimo Bacigalupi with Paul C. Hutchison 1958-2-19 6205 Riverside 20 mi n Desert Center (along the Parker Dam Hwy from Rice to Desert Center, and about 3-4 mi e of eastern base of Coxcomb Mts.); Colorado Desert 243 Comment
  UC724153  Orobanche cooperi Aven and Ruth Nelson 1939-3-28 3301 Riverside e of n end of Salton Sea, near Mecca Mecca Comment
  RSA0066525  Orobanche cooperi subsp. cooperi Philip A. Munz 1926-1-31 9977 Riverside Desert near Dos Palmas. Comment
  RSA586725  Orobanche fasciculata D. L. Banks, S. D. Boyd 1995-5-17 447 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  SEINET188370  Orobanche ludoviciana var. latiloba C. L. Hitchcock 1940-4-4 5940 Riverside Pinto Basin. Comment
  RSA409107  Orthocarpus purpurascens D. A. Young 1969-4-12 p- 441 Riverside 10 mi SE of Hemet, 200 yrs. E. of State St. in a wash. 335 Comment
  RSA525417  Orthocarpus purpurascens Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4525 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA0030792  Orthocarpus purpurascens Robert L. Rutherford 1945-5-24 1654 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UCR92776  Osmorhiza brachypoda D. L. Banks, Steve Boyd 1995-3-30 0113 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 713 Comment
  RSA650116  Paeonia californica Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 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
  UCR155331  Paeonia californica A. C. Sanders, Mike Misenhelter 2005-3-23 29271 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR249510  Palafoxia arida T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7280 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
  JEPS26054  Palafoxia arida var. arida Spencer W. Brown and U. Nur 1960-2-6 Riverside 4 mi E of Beaumont on Hwy 99 Comment
  POM31647  Palafoxia arida var. arida Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  POM363742  Palafoxia arida var. arida L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain, Colorado River Comment
  RSA21761  Palafoxia arida var. arida C. B. Wolf 1937-4-6 8433 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  UC166697  Palafoxia arida var. arida S. B. Parish 1907-4-19 6078 Riverside Palm Springs western borders of the Colorado Desert 150 Comment
  UC604859  Palafoxia arida var. arida Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9524 Riverside Pinto Basin 16 mi from Cottonwood Springs Comment
  UCR279543  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2017-3-27 43128 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Siphon 22 on the Coachella Canal, just inside Naval Aerial Gunnery Range boundary 23 Comment
  UCSB6655  Palafoxia arida var. arida Kamb, Peter 1948-4-11 Riverside Whitewater Wash near Whitewater, Coachella Valley 457 Comment
  CAS-BOT-BC274187  Pappostipa speciosa H. M. Hall 1899-5-1 1177 b Riverside El Toro Mt. 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
  RSA698050  Parosela schottii J. R. Bruff 1927-10-8 1 -L Riverside Thousand Palms. Comment
  UCR167327  Pectis papposa Scott D. White, J. Wood 2005-9-27 11230 Riverside San Gorgonio Pass, Cabazon: Alluvial benches and braided dry channels south of Interstate 10 and west of the San Gorgonio River 610 Comment
  CAS-BOT-BC540740  Pectis papposa var. papposa Sarah J. De Groot; Amy Rouillard 2015-9-15 7571 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  UC65019  Pectis papposa var. papposa E. E. Schellenger 1904-10-19 20 Riverside Chucawalla Bench Colorado Desert, Chucawalla Bench Comment
  UCR214585  Pectocarya anisocarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37862 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  JEPS20707  Pectocarya heterocarpa Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13251 Riverside 11.3 mi n Blythe; US Hwy 95 Comment
  JOTR28754  Pectocarya heterocarpa La Doux, Tasha, Bill Truesdell 2004-3-11 1035 Riverside Joshua Tree National Park. Pinto Basin; sand hills 487 Comment
  RSA703366  Pectocarya heterocarpa LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1445 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA781652  Pectocarya heterocarpa Duncan S. Bell 2009-3-8 73 Riverside Arica Mountains: northwest section of mountain range approximately 3.2 air miles northwest of Priest Well, or approximately 6 air miles southwest of the ghost town of Rice. 476 Comment
  UC2015651  Pectocarya linearis A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16180 Riverside Coachella Valley/San Jacinto Mtns., foothills: Chino Canyon near the Palm Springs tram station. Comment
  UCR114826  Pectocarya linearis Mitch Provance, Seychelle Provance 1998-2-17 86 Riverside Jurupa Mountains, Jensen Quarry; Sunnyside area on W side of Sierra Blvd, c. 0.2 miles NW of the corner of Scenic Dr. and 34th St. 348 Comment
  UCR228850  Pectocarya linearis A. C. Sanders, Nathan Moorhatch 2011-3-22 38793 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  RSA522750  Pectocarya linearis subsp. ferocula Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3857 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
  JEPS68191  Pectocarya peninsularis Marjorie D. Clary 1932-3-6 1965 Riverside 10 mi. w. Coachella (La Quinta Canyon); Colorado Desert, La Quinta Canyon 121 Comment
  RSA0119882  Pectocarya peninsularis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9097 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  RSA49173  Pectocarya platycarpa P. A. Munz 1949-4-13 13062 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  UCR196379  Pectocarya platycarpa Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1429 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  JOTR35211  Pectocarya recurvata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3479 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash, west of Pinkham Canyon Road; sandy gravel flats near road (Stop 1) Comment
  UC882254  Pectocarya recurvata I. W. Clokey 1935-4-17 6860 Riverside Colorado Desert, Cottonwood Springs Comment
  UCR270754  Pellaea andromedifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8382 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
  SD153021  Pellaea andromedifolia var. andromedifolia Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7312 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Tenaja Canyon. 365 Comment
  SD122171  Pellaea mucronata James C. Dice, Tu Chung 1987-10-19 739 Riverside Head of shallow side canyon, north side of Temecula Gorge, above Santa Margarita River,.4 km ENE of Field Station and just ENE of weather stn 330 Comment
  UCR125766  Pellaea mucronata A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25656 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 Comment
  POM858  Pellaea mucronata var. mucronata P. A. Munz 1918-4-27 2123 Riverside Temecula Canyon, beyond Elsinore Comment
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Mar 27 2011
  RSA34556  Pellaea mucronata var. mucronata Norman C. Cooper 1944-6-17 1426 Riverside San Jacinto Mountains: above Banning 1372 Comment
  UC54993  Penstemon X parishii H. M. Hall 1897-5-19 567 Riverside canyon of the San Jacinto River San Jacinto Mountains, canyon of San Jacinto River (Southern California) 914 Comment
  CLARK-A1045-115  Penstemon antirrhinoides George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep Canyon; Palm Desert 15'Q Comment
  RSA412458  Penstemon centranthifolius N. C. Cooper 1949-6-29 4331 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA649972  Penstemon centranthifolius Jeanne Bellemin 1969-5-24 s.n. Riverside Banning to [Idyllwild] Comment
  UCR135734  Penstemon clevelandii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9020 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  RSA0014870  Penstemon clevelandii var. connatus N. R. Zabriskie, W. M. Zabriskie 1971-4-9 369 Riverside Deep Canyon south of Hwy 74. c. 2 mi. up water service road below crossing, north slope Santa Rosa Mts. 1311 Comment
  UCR178276  Penstemon heterophyllus Mitch Provance, Tracy Tennant 1998-6-16 MOR- 444 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon 823 Comment
  JOTR16854  Penstemon incertus Walters, Jim 1967-6-4 s.n. Riverside Joshua Tree National Park. 1/2 MILE WEST OF HIDDEN VALLEY CAMPGROUND 1219 Comment
  POM11244  Penstemon labrosus Philip A. Munz 1922-9-7 6454 Riverside San Jacinto Peak 3049 Comment
  UC729880  Penstemon rostriflorus Carl B. Wolf 1932-8-4 3908 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  RSA420394  Penstemon spectabilis E. A. McGregor 1967-6-7 s.n. Riverside On Hwy. 71, south of Elsinor, Riverside Co. Comment
  JEPS21330  Pentachaeta aurea W. L. Jepson May 17 1901-Jun 1 1901 1321 Riverside Thomas Valley Comment
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Feb 16 2013
  CAS-BOT-BC71577  Pentagramma triangularis subsp. maxonii Lewis S. Rose 1966-12-14 66109 Riverside Chino Canyon, 3 mi. W of Palm Springs 670 Comment
  POM13282  Perideridia parishii subsp. latifolia P. A. Munz 1922-9-15 6367 Riverside Taqhuitz Valley, San Jacinto Mountains. 2195 Comment
  CAS-BOT-BC73773  Peritoma arborea var. arborea Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC355999  Perityle emoryi G. D. Hanna; M. M. Hanna 1958-2-19 s.n. Riverside Orocopia Mts. Comment
  SD258885  Perityle emoryi Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7646 Riverside Mecca Hills; hills aroung Shaver's Well, along Box Canyon Road, south edge of Shver'v Valley, eastnortheast of Mecca. 294 Comment
  UCR269872  Perityle emoryi A. C. Sanders, Jim Malusa 2016-3-18 42364 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  RSA0030872  Perityle emoryi H. M. Hall 1902-1 2793 Riverside Western borders of the Colorado Desert. Coyote Canyon. 152 Comment
  SEINET10800180  Perityle emoryi David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3710 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  POM12018  Petalonyx linearis E. C. Jaeger 1920-4-7 1197 Riverside Rockhouse Canyon, Santa Rosa Mts. Comment
  CAS-BOT-BC167766  Petalonyx thurberi W. R. Dudley 1903-12-30 s.n. Riverside Two miles below Thousand Palms Comment
  RSA503355  Petalonyx thurberi S. J. Myers 1988-10-18 s.n. Riverside Garnet Hill, N of Palm Springs, between the Southern Pacific railroad tracks and Hwy 10, E one-third of Granet Hill, SE to Palm Drive 206 Comment
  SEINET3005048  Petalonyx thurberi G. Rink 2011-4-25 10485 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe 109 Comment
  UC535038  Petalonyx thurberi subsp. thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon; Coachella Valley 243 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
  RSA471970  Peucephyllum schottii Ora M. Clark 1929-3-17 1731 Riverside N. La Quinta, Colorado Desert. Comment
  UCR168266  Peucephyllum schottii Scott D. White 2001-4-3 8241 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UCSB36152  Peucephyllum schottii Roberts, Dar 1980-3-26 Riverside 1 mile south southern entrance to Joshua Tree National Monument 1/4 mile East Rd. 750 Comment
  POM305413  Phacelia ambigua Henry J. Ramsey, Henry J. Ramsey 1939-11-28 687 Riverside 10 miles east of Indio. Comment
  RSA23229  Phacelia ambigua Ernest Braunton 1940-4-3 2020 Riverside Berdoo Canyon, 10 mi. E. of Indio. 305 Comment
  CLARK-A1656-667  Phacelia bicolor Lois Ann Scott 1978-3-28 Riverside Joshua Tree National Park 1066 Comment
  RSA113259  Phacelia brachyloba E. K. Balls 1955-4-4 20428 Riverside Chaparral, Ortega Hwy. 8.3 mi. ne. from Orange-Riverside Co. line, Elsinore overlook. 793 Comment
  UCR16825  Phacelia brachyloba Tony Beck 1968-5-4 680504- 8 Riverside San Jacinto Mtns., 4 mi. south of Banning on Hwy '74' [ 243] 915 Comment
  POM343364  Phacelia campanularia F. R. Fosberg 1983-4-23 64172 Riverside Whitewater Bridge. Comment
  JOTR35279  Phacelia campanularia subsp. vasiformis Andre, Jim 2012-4-16 20979 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  UC809716  Phacelia campanularia subsp. vasiformis Philip A. Munz 1949-4-11 13021 Riverside slope near Conejo Well; Mohave Desert, north base of Eagle Mts. 914 Comment
  SEINET7073336  Phacelia cicutaria A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  JEPS2191  Phacelia cicutaria var. hispida M. French Gilman 1845-1 714 Riverside Palm Springs (of Mt. San Jacinto) Mt. San Jacinto Comment
  UCR89879  Phacelia cicutaria var. hispida Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3338 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  SDSU18365  Phacelia ciliata C. Matt Guilliams, Jeannine Ross 2008-3-12 529 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 428 Comment
  CAS-BOT-BC133964  Phacelia crenulata Mrs. Jos. Clement 1922-4-10 s.n. Riverside Mecca Comment
  HSC87131  Phacelia crenulata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2101 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  OBI26128  Phacelia crenulata David J. Keil 1976-12-12 11906 Riverside Ca. 5 mi E of Indio along I-10 Comment
  POM306723  Phacelia crenulata Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1719 Riverside Near Desert Center-Indio. Comment
  GMDRC3555  Phacelia crenulata var. ambigua J. Andre, T. La Doux 2009-2-25 10831 Riverside Big Maria Mountains: along Hwy 95 (west side of highway), approx 15 mi. N. of Blythe. USGS 7.5 min. Quad: Big Maria Mountains 33 deg. 44.529' N 114 deg. 30.988' W. Elev. 308 ft. 94 Comment
  JEPS2302  Phacelia crenulata var. ambigua Dr. L. M. Newlon 1922-4-3 426 Riverside 6 mi w Indian Wells; Colorado Desert Comment
  RSA0014470  Phacelia crenulata var. ambigua Justin M. Wood, J. Miner 2010-4-29 1544 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA776961  Phacelia crenulata var. ambigua Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 911 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCSB46581  Phacelia crenulata var. crenulata Trosino, Jill 1983-3-6 Riverside South side of CA Highway 195, 5.5 miles east of Mecca, Box Canyon Wash 60 Comment
  JOTR33951  Phacelia cryptantha La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2837 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  UC922689  Phacelia cryptantha Annie M. Alexander and Louise Kellogg 1940-3-21 889 Riverside 20 mi s 29 Palms; Barker Dam 1322 Comment
  CLARK-A1528-559  Phacelia distans C. M. Flanagan 1973-4-26 OO 307 Riverside Morongo Indian Reservation 914 Comment
  HSC93338  Phacelia distans Scott D. White 1996-4-14 3902 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  OBI40189  Phacelia distans N. Miles Fellows 1985-3-3 85 Riverside Oasis de los Osos Preserve, off Snow crk Cyn at the N foot of the San Jacinto mts, 1 mi W of Snow Crk Village. T3S, R3E S1/2 sec 20 488 Comment
  RSA426210B  Phacelia distans P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs Comment
  RSA555478  Phacelia distans D. Charlton 1988-2-18 1183 Riverside Alluvial Fan, S side of Little San Bernardino Mtns, Fargo Canyon road to Cottonwood wash, S of Joshua Tree National Par, Parallel to I10. 1 mile E of Jct Dillon Road and Fargo Canyon road. 610 Comment
  UCR101583  Phacelia distans Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR115934  Phacelia distans Mitch Provance 1998-4-7 1777 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon 396 Comment
  UCR185110  Phacelia distans LeRoy Gross, L. Lubinsky, V. W. Steinmann, L. L. Worlow 2005-2-17 1419 Riverside Chocolatte-Chuckwalla Mountains, Colorado Desert; Corn Springs Campground in the Chuckwalla Mountains. Canyon SW of Campground 549 Comment
  UCR201488  Phacelia distans Scott D. White, Justin M. Wood 2008-6-16 12142 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  UCR80811  Phacelia imbricata Scott D. White 1993-5-29 1463 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  POM187413  Phacelia imbricata subsp. patula L. Crutcher 1933-8-1 9 Riverside Camp Tahquitz, San Jacinto Mtns. Comment
  OBI20177  Phacelia minor David J. Keil 1979-3-18 12968 Riverside Alberthill Jctn along Hwy 71 366 Comment
  RSA516879  Phacelia minor Steve Boyd 1986-3-1 1361 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  RSA568711  Phacelia minor Walter Wisura, A. King, L. Newcomb 1992-4-4 4665 Riverside Mission Creek Ranch, W of Hwy 62 below Morongo Valley. Comment
  SBBG34218  Phacelia minor T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns Comment
  SD133067  Phacelia minor Scott White 1991-5-13 91 99 Riverside Hwy 79, immediately W of US Forest Service Campground at Dripping Springs 548 Comment
  UCR162642  Phacelia minor 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
  UCSB5417  Phacelia minor Nowell, J. 1958-5-17 Riverside 7 mi. from Banning on Banning-Idyllwild Road Comment
  RSA427703B  Phacelia minutiflora E. C. Jaeger 1922-3-29 745 Riverside Chuckwalla Valley Comment
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May 29 2011
  POM13092  Phacelia mutabilis E. C. Jaeger 1921-6-14 s.n. Riverside Between Deep Creek and Gregg s Ranch. 1616 Comment
  UCD88181  Phalaris aquatica L. Reese 1956-5-29 10 Riverside San Jacinto Valley. 475 Comment
  POM263357  Phalaris lemmonii J. C. Roos 1937-5-10 456 Riverside Lake Elsinore. Comment
  UCR117390  Phalaris lemmonii A. C. Sanders, T. B. Salvato 2001-5-25 24391 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UCR174430  Phalaris paradoxa A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32478 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SD114076  Philadelphus microphyllus var. pumilus Darley F. Howe 1973-7-28 4885 Riverside Santa Rosa Mts. 2438 Comment
  JEPS71101  Phlox gracilis W. L. Jepson 1901-5-19 1308 a Riverside Strawberry Valley Mt. San Jacinto Comment
  SDSU12866  Pholistoma auritum J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 19 Riverside At gate to Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 354 Comment
  JEPS1853  Pholistoma membranaceum Marjorie D. Clary 1932-4-3 1617 Riverside 1/4 mi. s.w. Indio (Deep Canyon); Colorado Desert, Deep Canyon 365 Comment
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Nov 1 2011
  SEINET8000821  Pholistoma membranaceum Ana Lilia Reina G. 2003-3-30 2003 -324 Riverside Palm Canyon, Agua Caliente Indian Reservation, edge of Palm Spring NWbase of San Jacinto Mountains 274 Comment
  LA209833  Phoradendron californicum F. R. Fosberg; 1932-3-13 8089 Riverside Coachella Valley, Thousand Palms Canyon Comment
  POM2149  Phoradendron californicum I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 229 Comment
  RSA342039  Phoradendron californicum Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54106 Riverside San Bernardino Mountains: Mesquite thicket along Whitewater Canyon road. Comment
  RSA420780  Phoradendron californicum Ora M. Clark 1929-3-17 1737 Riverside West of Indio. Comment
  RSA771112  Phoradendron californicum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4732 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  UC61548  Phoradendron californicum Miss Mary McKibben Riverside Mecca -60 Comment
  RSA49179  Phoradendron densum Philip A. Munz 1949-4-13 13053 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  SEINET10689600  Phoradendron libocedri Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 17 Riverside San Bernardino National Forest. Mix between oak chaparral and pine forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  CLARK-A1528-613  Phoradendron tomentosum subsp. macrophyllum C. M. Flanagan 1973-5-31 OO 634 Riverside Morongo Indian Reservation 914 Comment
  UCR178009  Phoradendron villosum T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 607 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  RSA0026182  Phoradendron villosum John F. Emmel 1997-8-3 1521 Riverside San Jacinto Mts.; Garner Valley; ridgetop 1.1-1.2 air miles north of junction Hwy. 74 and Morris Ranch Road. 1402 Comment
  HSC66743  Physalis crassifolia D. Goforth, D. Reed 1980-3-25 355 Riverside Hwy. 195, 6 mi. E of Mecca, Box Canyon, Mecca Hills. 122 Comment
  JOTR34392  Physalis crassifolia Andre, Jim 2012-4-16 20919 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  RSA423817  Physalis crassifolia A. N. Dunn, A. Martin 1932-3-26 s.n. Riverside Box Canon. [Canyon] Comment
  UC1552022  Physalis crassifolia David Charlton 1988-2-18 1196 Riverside 5 mi e Dillon Rd. junction with Fargo Canyon Rd. (Fargo Canyon Rd to Cottonwood Wash, s of Joshua Tree National Park, parallel to I-10, s side of Little San Bernardino Mtns); Little San Bernardino Mtns. 762 Comment
  UC56824  Physalis crassifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1822 Riverside near Palm Canyon 548 Comment
  UCD126806  Physalis crassifolia L. S. Rose 1936-1-1 s.n. Riverside 19 miles north of Indio, Aqueduct Road. 609 Comment
  RSA0126964  Physalis philadelphica R. E. Riefner 2017-5-18 17 -260 Riverside City of Hemet, E. of Winchester, N of Simpson Road, E. of San Diego Aqueduct, W of active agricultural fields. 467 Comment
  JEPS47919  Pinus jeffreyi W. L. Jepson 1903-8-9 2290 Riverside Strawberrry Valley San Jacinto Mt., Strawberry Valley 1676 Comment
  SD229029  Pinus lambertiana Dick Schwenkmeyer 2012-8-27 809 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  UC813272  Pinus monophylla Lewis S. Rose 1936-12-24 36814 Riverside 26 mi sw Indio (Palms to Pines Highway); San Jacinto Mts. 1219 Comment
  POM230743  Pinus ponderosa I. W. Clokey, E. Y. Anderson 1935-8-21 6506 Riverside Idlewilde-Banning. Calif. San Jacinto Range. 1500 Comment
  JEPS48198  Pinus quadrifolia Carl V. Meyer 1929-6-18 786 Riverside on Coahuila to Idyllwild Road; San Jacinto Mts., Summit of Hamilton Grade Comment
  RSA31093  Pinus quadrifolia Victor Duran 1933-7-2 3495 Riverside Near Santa Rosa, Santa Rosa Mountains. 1677 Comment
  RSA505025  Pinus quadrifolia D. Charlton 1988-5-21 1908 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  UCR135816  Plagiobothrys acanthocarpus A. C. Sanders, Guy Bruyea 2004-4-2 27448 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. 335 Comment
  RSA192087  Plagiobothrys arizonicus E. W. Lathrop 1960-6-7 4851 Riverside 14 miles W of Murrieta Comment
  UCR241777  Plagiobothrys canescens A. C. Sanders, Timothy W. Chumley 2013-4-1 40723 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
  UCR18127  Plagiobothrys collinus A. C. Sanders 1978-3-26 00214 Riverside Perris-Aguanga Basin region, Woodcrest area, SE of Riverside. North of Mockingbird Creek and Harley John Rd., west of Washington St. 434 Comment
  POM13769  Plagiobothrys collinus var. californicus P. A. Munz 1922-4-29 5089 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA562489  Plagiobothrys fulvus var. campestris Steve Boyd, Tim Ross 1992-5-5 7247 Riverside Southern Santa Ana mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south Oak Flats, southwest of the Bluewater Trail 732 Comment
  CLARK-A1045-165  Plagiobothrys nothofulvus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains head of De Luz Creek; Wildomar 7.5'Q Comment
  RSA85111  Plagiobothrys nothofulvus J. C. Roos 1952-4-16 5559 Riverside Box Springs Mountains, Pigeon Pass. 396 Comment
  SDSU13048  Plagiobothrys nothofulvus J. Jill Steinberg, Janet Knots 1998-3-11 7 Riverside 1/3 mile along foot trail leading southeast from road, approximately 1/4 mile northeast of Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River, at edge of gorge above fork in river. 335 Comment
  SEINET7073468  Plagiobothrys nothofulvus A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCR91870  Plagiobothrys nothofulvus A. C. Sanders, S. Hawkins 1996-4-24 18077 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  RSA769650  Plantago erecta Duncan S. Bell, Naomi Fraga 2010-4-22 851 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.2 air miles southeast of junction of Highway 74 and forest service road 5S15. 771 Comment
  UCR107708  Plantago erecta A. C. Sanders 1997-3-1 19740 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
  UCR171727  Plantago erecta John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  RSA778627  Plantago ovata Duncan S. Bell 2009-3-8 68 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  SD181423  Plantago ovata V. Soza, J. M. Porter and G. D. Wallace 2001-4-2 1097 Riverside Little San Bernardino Mountains region; mouth of West Wide Canyon, northnorthwest of junction of Dillon Road and Ford Avenue. 395 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
  UC888399  Plantago ovata A. N. Dunn and A. M. Martin 1932-3-26 Riverside Coachella Comment
  UCR275539  Plantago ovata D. E. Bramlet 2010-3-1 4458 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  SEINET8369613  Plantago ovata K. L. Chambers 1973-3-19 3635 Riverside Hwy. 195, east of Box Canyon and 3.0 miles s.w. of junction with Hwy. 60; from Orocopia Mtns. Comment
  RSA402024A  Plantago ovata var. fastigiata A. Menke 1955-3-26 s.n. Riverside No Palms near Desert Center, Hwy 70 Comment
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Feb 19 2013
  RSA382936  Platanthera leucostachys Anstruther Davidson 1896-07 s.n. Riverside Strawberry Valley. 2439 Comment
  RSA221057  Platanus racemosa E. W. Lathrop 1966-5-8 6425 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA652520  Platanus racemosa G. Foster 1961-4-30 118 Riverside Palm Canyon, Palm Springs. Comment
  UCR208855  Platanus racemosa C. B. Wolf 1932-5-24 3647 Riverside Peninsular Range; San Jacinto Mtns., Snow Creek Canyon, 1/2 mile below the fish hatchery, north base of San Jacinto Mtn. 549 Comment
  CLARK-A1528-3415  Platystemon californicus John C. Roos 1966-3-24 Riverside Winchester Comment
  RSA13858  Platystemon californicus P. A. Munz 1922-4-29 5078 Riverside 0.5 mile south of Lake Elsinore 412 Comment
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Sep 25 2011
  SEINET13710927  Platystemon californicus S. W. Austin, S. W. Austin 1969-1 23 Riverside W Slope of Mts, E of Railroad Tracks & N of RaviNE N of Big Springs Rd 1500 Ft 457 Comment
  RSA663857  Pleuraphis rigida C. R. Annable 1995-3-16 2294 Riverside Ca. 13 km NE of Desert center on Hwy 177., 47 deg 47'N, 115 deg 18'W. Comment
  SBBG57095  Pleuraphis rigida M. N. Ackley -Feb-1926 1 Riverside near Edom 64 Comment
  RSA472088  Pleurocoronis pluriseta Christopher Davidson 1979-4-4 7706 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  RSA4953  Pleurocoronis pluriseta C. B. Wolf 1932-4-27 3045 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  RSA676058  Pleurocoronis pluriseta Scott D. White 2001-4-17 8334 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  RSA795920  Pleurocoronis pluriseta Duncan S. Bell 2009-4-19 290 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR196892  Pleurocoronis pluriseta R. F. Thorne 1966-10-15 41784 Riverside Colorado Desert: Western Colorado Desert region/San Jacinto Mountains, Dead Indian Canyon, near Palm Desert at foot of Palms to Pines Hwy 366 Comment
  SD136950  Poa annua Steve Boyd 1992-4-14 6816 Riverside Santa Ana Mtns, San Mateo Wilderness Area. Western edge of Oak Flats area along Bluewater Tr. From Verdugo Tr. S to crest of ridge W side of Bluewater Cyn. 730 Comment
  UCR92493  Poa annua S. J. Myers 1996-1-16 s.n. Riverside Perris Basin, 2 mi NE of Perris, flood control channel between Perris Blvd, & Murrieta St., parallel to Nuevo Rd c. 1/4 mi N. 442 Comment
  UCR2680  Poa bigelovii F. M. Reed 1920-3-24 4187 Riverside Western Colorado Desert, Murray Canyon, a tributary of Palm Canyon near Palm Springs 305 Comment
  UCR193893  Poa howellii A. C. Sanders, Mitch Provance 2008-7-11 35796 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
  UCR201667  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12268 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UC1930120  Poa secunda Scott D. White, Michael Honer 2003-4-29 9122 Riverside SAN BERNARDINO MTNS: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. Comment
  CAS-BOT-BC242993  Poa secunda subsp. secunda S. B. Parish 1907-4-18 6141 Riverside White [Whitewater?] Canyon, Palm Springs, W edge of Colorado Desert 200 Comment
  UCR47635  Polygonum persicaria Dave Thomason 1987-7-7 s.n. Riverside Sonoran (Colorado) Desert, Lake Cahuilla, Coachella Valley 15 Comment
  CAS-BOT-BC237275  Polypogon monspeliensis Scott D. White 1995-6-30 3417 Riverside Murrieta area, W Riverside Co, Santa Ana foothills. Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 30 Comment
  IRVC174  Polystichum imbricans subsp. curtum Mike McCartin 1965-4-24 HS 551 Riverside highway 74; Mountain Center. Peninsular Ranges, San Jacinto Mountains Comment
  RSA520948  Polystichum imbricans subsp. curtum Steve Boyd, Dave Bramlet 1988-10-8 2873 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  CAS-BOT-BC102582  Populus fremontii Carl B. Wolf 1932-5-25 3679 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1 mi. below Fish Hatchery 396 Comment
  CAS-BOT-BC102604  Populus fremontii Marian L. Campbell 1921-3-19 34 Riverside Banning Comment
  UCR58853  Populus fremontii Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3219 Riverside Peninsular Range, Vail Lake area at N end of Kolb Creek, near campground 457 Comment
  SEINET10932113  Populus fremontii David B. Dunn 1946-3-17 Dunn 2101 Riverside At pushawalla palms by the springs. Indio hills. Comment
  JEPS64527  Populus fremontii subsp. fremontii S. B. Parish 1913-3-28 8471 Riverside Mecca Flats , Mecca Flats (Salton Basin) -60 Comment
  UC4919  Populus fremontii subsp. fremontii Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UC64015  Populus trichocarpa H. M. Hall 1901-7-20 2445 Riverside Tauquitz Creek; San Jacinto Mountains, Tauquitz Creek Comment
  UCR147744  Porophyllum gracile Steve Boyd, Et al. 2004-5-14 11261 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR269203  Porophyllum gracile Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 998 Riverside Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in wash 423 Comment
  UCR60520  Porophyllum gracile Steve Boyd 1985-7-23 1044 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 3.5 mi west of the junction with Tenaja Trail Comment
  CAS-BOT-BC310318  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 Riverside Arica Mountains. Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well 202 Comment
  SD233340  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  UCR92085  Portulaca oleracea Scott D. White, S. Ogg 1994-10-17 2463 .1 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  JEPS396  Potamogeton diversifolius Carl V. Meyer 1928-7-27 567 Riverside Hidden Lake; San Jacinto Mountains 2651 Comment
  UC813982  Potamogeton diversifolius P. A. Munz 1922-9-6 6380 Riverside Hidden Lake; San Jacinto Mountains 2438 Comment
  UC12562  Potentilla gracilis var. fastigiata H. M. Hall 1897-9-11 806 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley 2438 Comment
  UC415580 Image available Potentilla gracilis var. fastigiata H. E. Hasse 1892-7-1 5696 Riverside Strawberry Valley; ; Strawberry Valley, San Diego Co. [formerly] Comment
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Dec 11 2006
  UC420560  Potentilla rimicola F. M. Reed 1908-7-13 2529 Riverside summit of Tahquitz Mt.; San Jacinto Mountains, summit of Tahquitz Mt. 2621 Comment
  SEINET10929258  Proboscidea althaeifolia Robert L. Dressler 1951-11-22 Dressler 1194 Riverside 15 mi, W of Blythe. Sandy soil with scattered Larrea. Comment
  UCR44442  Prosopis glandulosa A. C. Sanders, B. Pitzer 1986-4-30 6494 Riverside San Jacinto Valley, Gilman Springs Road, 0.3 mi. SE of Jackrabbit Trail. 457 Comment
  SEINET10903626  Prosopis glandulosa var. glandulosa David B. Dunn 1947-9-21 Dunn 3511 Riverside Pushawalla Canyon. Seedlings sprouted from Coyote scat dropped in wet sand near the stream from the springs. Comment
  CAS-BOT-BC206989  Prosopis glandulosa var. torreyana Dr. Barton W. Evermann 1916-5-14 s.n. Riverside Mecca Comment
  LA47470  Prosopis glandulosa var. torreyana Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Oasis Comment
  SD229258  Prunus emarginata Dick Schwenkmeyer 2012-9-20 836 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  CAS-BOT-BC158288  Prunus fasciculata var. fasciculata Reid Moran 1941-5-4 839 Riverside East of Quail Spring, Joshua Tree Nat. Mon. 1300 Comment
  CAS-BOT-BC158295  Prunus fasciculata var. fasciculata Peter H. Raven 1958-5-5 12892 Riverside Split Rock, Joshua Tree National Monument Comment
  POM9357  Prunus fremontii Mary F. Spencer 1918-4-1 759 Riverside Andreas Valley near Palm Springs, Colorado Desert. 152 Comment
  RSA717590  Prunus ilicifolia A. C. Sanders 2004-5-12 27894 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  SFV3941  Pseudognaphalium californicum P. G. Kilburn 1958-5-17 814 Riverside 3 miles south of Banning. 305 Comment
  CHSC108887  Pseudognaphalium luteoalbum Orlando Mistretta; D Bell, J Beckman, J England, K Kane, J Hall, etal 2010-4-12 4535 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm); between N33.95609, W116.64365 and N33.95477 and W116.64248. 525 Comment
  JOTR36419  Pseudognaphalium luteoalbum La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3365 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  SD68961  Psilocarphus brevissimus var. brevissimus Robert F. Thorne, P. A. Munz and L. Lathrop 1968-5-8 37579 Riverside Santa Rosa Plateau on Mesa de Colorado, Rancho California. 675 Comment
  UCR239508  Psilostrophe cooperi A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40511 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  UCR132422  Psoralea macrostachya A. C. Sanders 2004-2-6 27385 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, canyon along north side of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  UCR170128  Psorothamnus arborescens var. simplicifolius Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-30 95 Riverside San Gorgonio Pass, Morongo Indian Reservation; Road between Millard and Lion Canyon (Deep Canyon Road?), below Deep Canyon 619 Comment
  CAS-BOT-BC353627  Psorothamnus emoryi B. D. Stark 1930-4-2 784 Riverside West of Indio 0 Comment
  RSA799244  Psorothamnus emoryi Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 735 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  UC555333  Psorothamnus emoryi Curtis Ferris 1932-3-20 63 Riverside Oasis Comment
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Jun 24 2008
  UCR161370  Psorothamnus emoryi Mark A. Elvin 2005-4-25 4221 Riverside Northern Sonoarn Desert, Coachella Valley; N of Palm Springs; N of 110; south of Dillon Road; east of Indian Avenue 244 Comment
  UCR237516  Psorothamnus emoryi Amber Swanson 2011-4-8 371 Riverside Southcentral Mojave Desert, Granite Mountains area east of Hwy 177 near junction 62 423 Comment
  JEPS41665  Psorothamnus schottii W. L. Jepson 1927-4-12 11683 Riverside Mecca, Painted Canyon Painted Canyon; Mecca, Painted Canyon 76 Comment
  RSA66970  Psorothamnus schottii Marcus E. Jones 1924-2-26 s.n. Riverside Shavers Well. Comment
  UC1080447  Psorothamnus schottii P. C. Everett and E. K. Balls 1958-4-29 22957 Riverside Hwy 60/70, Indio to Blythe, 5 mi E of jct. with Hwy. 99 121 Comment
  UC447182  Psorothamnus schottii J. Ewan 1931-4-4 4157 Riverside Mouth of Shaver's Canyon above Mecca; Mouth of Shaver's Canyon above Mecca Comment
  UCR89663  Psorothamnus schottii Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  UCSB10491  Psorothamnus spinosus Ralph, F. 1959-5-17 Riverside Along side Hwy. 74 between Palm Desert and Cathedral City, 0.3 miles east of Cathedral City limits 152 Comment
  UC21691  Pterospora andromedea H. M. Hall June, 1901 Riverside Onstatt's Valley San Jacinto Mountains 1920 Comment
  RSA510313  Pterostegia drymarioides Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on [of] Nuevo. 640 Comment
  UCR177991  Pterostegia drymarioides S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA444457  Pulicaria hispanica J. C. Roos 1965-6-23 s.n. Riverside Palm Springs. Comment
  JOTR32641  Purshia tridentata var. glandulosa La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2562 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  UCR108800  Quercus X munzii Beth Corrigan, John Corrigan 1966-6-13 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument [now Park], Queen Valley area, 200-300 ft. south of Ivanpah Tank 1280 Comment
  UCR108323  Quercus agrifolia L. C. Wheeler 1960-8-6 7779 Riverside Peninsular Range, Temescal Canyon, c. 1 mi. east of Glen Ivy, Wright Ranch. Comment
  RSA640179  Quercus agrifolia var. agrifolia Louis C. Wheeler 1965-3-26 8707 Riverside Temescal Valley: Wright Ranch. Comment
  RSA716195  Quercus agrifolia var. agrifolia Scott D. White, Angelia Carey 2004-4-5 10014 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  CAS-BOT-BC126763  Quercus berberidifolia A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-2 37712 B Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, along dirt road north of Concordia Ranch Rd, and east of Black Powder Rd. 379 Comment
  RSA180342  Quercus berberidifolia E. W. Lathrop 1965-10-27 6020 Riverside 10 miles West of Murrieta. 640 Comment
  UC847960  Quercus berberidifolia I. W. Clokey and E. G. Anderson 1935-4-16 6572 Riverside e of Hemet 800 Comment
  UCR250922  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 6 Riverside San Jacinto Mtns. Foothills/San Gorgonio Pass, south of Beaumont, just east of intersection Highland Springs Ave. and Circle C Ranch 747 Comment
  UCR270178  Quercus berberidifolia A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42399 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCR106911  Quercus engelmannii D. L. Banks, Lauren Raz 1996-11-5 1163 Riverside NW Palomar Mtns., Pechanga Indian Reservation, south of San Gabriel Church; west of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34 390 Comment
  CAS-BOT-BC105319  Quercus kelloggii Carl Epling 1931-10-4 245 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  CSUSB833  Quercus kelloggii D. T. Wright 1966-5-15 Riverside San Jacinto Mountains 0.9 miles north of Banning- Idyllwild Road on Black Mountain Road, San Jacinto Mountains. Comment
  CAS-BOT-BC104317  Quercus palmeri A. C. Sanders; Steve Boyd; Mitch Provance; J. Ross 1998-10-25 22278 Riverside San Jacinto Mtns: Pine Meadow along Hwy 74 in Garner Valley (eastern), 2.7 mi NW of Hwy 371 junction, 0.8 mi NW of Devil's Ladder Rd. 1402 Comment
  UCR117251  Quercus palmeri A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22294 Riverside San Jacinto Mtns., W side of Burnt Valley along Burnt Valley Rd. 1354 Comment
  UCR91733  Quercus wislizeni A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18101 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  UCD47606  Quercus wislizeni var. frutescens C. W. Tilforth; W. Wisura 1979-10-11 1920 Riverside 2 mi. west of highway 74 along Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley, Riverside County, California. Comment
  SDSU18653  Rafinesquia californica C. Matt Guilliams, Jeannine Ross 2008-3-12 525 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  POM311387  Rafinesquia neomexicana Wm. Jeffrey 1957-4-3 147 Riverside 1 mile N of Indio Beaumont Hwy on 29 Palms road 427 Comment
  POM34177  Rafinesquia neomexicana Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater, West Colorado Desert 305 Comment
  RSA776249  Rafinesquia neomexicana Duncan S. Bell 2010-3-20 632 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UC68998  Rafinesquia neomexicana H. M. Hall April 1905 5824 Riverside Colorado Desert, Indio 152 Comment
  UCR26099  Rafinesquia neomexicana John C. Roos 1948-4-24 3802 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  VVC2469  Rafinesquia neomexicana Tim Thomas 2013-3-18 5945 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  RSA0013021  Ranunculus californicus LeRoy Gross, Grace Cho 2013-4-9 6006 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA0021845  Ranunculus californicus var. californicus Elbert Benjamine 1929-5-18 218 Riverside Mt. San Jacinto. 1524 Comment
  RSA400244  Ranunculus cymbalaria var. saximontanus Mark Morris 1929-3-17 14900 Riverside Palm Canyon. Comment
  CSUSB568  Raphanus raphanistrum Penny Stead 1970-4-14 Riverside Found in vacant behind A. & I. dorm at University of California, Riverside. 274 Comment
  RSA656538  Ratibida columnifera Mitch Provance 2000-7-30 2173 Riverside Glen Avon Heights, on the N side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  LA207831  Rhamnus crocea subsp. ilicifolia Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  POM320393  Rhododendron occidentale Greg Wright 1971-7-15 290 Riverside County Highway R1, Black Mountain Creek. San Jacinto Mountains 1677 Comment
  RSA221023  Rhus integrifolia E. W. Lathrop 1966-3-23 6074 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 306 Comment
  CAS-BOT-BC167974  Rhus ovata Ivan Johnston 1917-4-4 1114 Riverside Palm Canyon 762 Comment
  RSA13815  Rhus ovata Victor Duran 1933-7-3 3498 Riverside 2 miles east of Pinyon Flat, Santa Rosa Mountains. 1067 Comment
  UC1929837  Rhus ovata Scott D. White, Angelia Carey and Linda Archa 2004-8-5 10684 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Comment
  JEPS66273  Rhus trilobata W. L. Jepson 1928-4-25 12571 a Riverside Cottonwood Spring; Colorado Desert 731 Comment
  RSA592685  Rhus trilobata Scott D. White, Duayne Haselfeld 1996-7-2 4269 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  RSA753547  Rhus trilobata Michael Wall 2009-6-12 520 Riverside San Jacinto Valley, Bautista Canyon Rd. ca. 8.0 miles SE of jct. with Fairview Ave. 762 Comment
  SEINET244848  Rhus trilobata A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24925 Riverside The Badlands; Hills and canyons west of Laborde Canyon, 1 mi NE of Eden Hot Springs, SW of Beaumont Comment
  SEINET272327  Rhus trilobata A. C. Sanders, G Helmkamp 1997-3-15 19957 Riverside Lake Skinner Area; NE of Skinner Lake in a tributary to Rawson Canyon along the dirt road. UTM 10km cell: MH-9E 1N. Sk 503 Comment
  RSA594511  Rhus trilobata var. pilosissima D. L. Banks, Dylan Hannon 1996-5-3 998 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9 487 Comment
  POM13881  Ribes nevadense E. C. Jaeger 1921-6-25 1177 Riverside Tahquitz Valley, San Jacinto Mts. Comment
  RSA162686  Ribes nevadense J. D. Olmsted 1959-6-23 678 Riverside Along Strawberry Creek in Fern Valley NW of Idyllwild, San Jacinto Mts. 1646 Comment
  UCR5949  Ribes nevadense Sue Freeman 1966-4-30 s.n. Riverside San Jacinto Mtns., above top of main waterfall a mile upstream from Banning-Idyllwild road on Fuller Mill Creek 1829 Comment
  UCR154628  Ribes quercetorum A. C. Sanders, Mike Misenhelter 2005-6-15 31003 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
  UCR217533  Romneya coulteri Diane Menuz 2009-5-4 490 Riverside Peninsular Range, Estelle Mtn., c. 1.52 km east of Hwy. 15, c. 2.10 km south of Cajalco Rd., north of Olsen Canyon 382 Comment
  UCR89837  Romneya coulteri Scott D. White 1993-5-27 1433 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  UCR91722  Rorippa nasturtium-aquaticum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18112 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1100 Comment
  RSA614689  Rosa californica A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15791 Riverside (N slope): nameless tributary of Azalea Creek, Twin Pines Creek drainage. 1192 Comment
  UCR100176  Rumex hymenosepalus Scott D. White 1994-4-23 2038 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR155043  Rumex obtusifolius A. C. Sanders, Kelly Volansky 2005-3-17 29226 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA559427  Rumex salicifolius Steve Boyd 1992-4-15 6874 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UCR35079  Rumex salicifolius var. denticulatus L. B. Ziegler 1969-6-10 373 Riverside San Jacinto Mtns., Hemet Valley (= Garner Valley) 1433 Comment
  POM2347  Rumex violascens P. A. Munz 1918-4-27 2130 Riverside Elsinore Comment
  RSA357132  Ruppia cirrhosa Robert F. Thorne, Philip A. Munz, E. W. Lathrop 1968-5-8 37603 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  RSA653223  Salix John Wallace, Steve McNabb 1991-5-5 11 Riverside Colorado River. Comment
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Jun 13 2012
  CAS-BOT-BC103903  Salix exigua Nancy Ryan Zabriskie; Walter Zabriskie 1971-3-7 353 Riverside Andreas Canyon, east slope San Jacinto Mountains 359 Comment
  RSA613312  Salix exigua D. L. Banks 1997-3-1 1377 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
  RSA774509  Salix exigua Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4460 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UC469686  Salix exigua F. R. Fosberg 1930-3-9 S 1550 Riverside almost on San Bernardino Co. line Mission Creek Canyon; Little San Bernardino Mts. 800 Comment
  UCR178565  Salix exigua R. G. Swinney 1967-3-5 0062 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR225575  Salix exigua A. C. Sanders 2011-3-29 38858 Riverside Peninsular Range; Perris-Aguanga Basin Region, canyon in hills between Sun City and Perris, San Jacinto River at powerline corridor crossing west of Goetz Rd., above Railroad Canyon Lake 428 Comment
  SDSU13350  Salix exigua var. hindsiana Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 29 Riverside Santa Margarita Ecological Reserve (SDSU). Near the center of the canyon, near the pipe line crossing. 239 Comment
  CAS-BOT-BC108107  Salix gooddingii Henry Pelouze De Forest 1932-1-1 s.n. Riverside Santa Ana River bed and banks, near Riverside Comment
  RSA715051  Salix gooddingii A. C. Sanders, T. B. Salvato 2003-5-21 26785 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
  POM305366  Salix laevigata Henry J. Ramsey, Henry J. Ramsey 1938-3-26 652 Riverside Between Corona and Elsinore. Comment
  CAS-BOT-BC128446  Salix lasiolepis var. lasiolepis Geo. B. Grant 1904-7-23 6373 Riverside Mt. San Gorgonio, Vivian Canyon 2286 Comment
  SEINET3860546  Saltugilia australis Leigh A. Johnson, Deborah A. Johnson 1997-5-12 97 -082 Riverside San Bernardino Natl. Forest, Cahuilla Mtn. vicinity. Along road to Cahuilla Mtn. trail, plants collected 0.3 to 1.7 miles from Tripp Flats Forest Service station. Plants farther up road in mid flower, a few in seed; mostly past flowering near start of road with capsules just ripening.; 0 1220 Comment
  UC880180  Saltugilia australis I. W. Clokey and E. G. Anderson 1935-4-16 6830 Riverside e Hemet; e of Hemet 600 Comment
  RSA67604  Saltugilia splendens Verne Grant, Alva Grant 1950-4-9 8839 Riverside Palm Springs. Comment
  SD4321  Salvia apiana Fidella G. Woodcock 1928-4-27 Riverside San Jacinto mountain near bridge of S.J. Creek 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
  UCR282303  Salvia carduacea Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-29 878 Riverside San Bernardino Mountains, Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 793 Comment
  POM10197  Salvia columbariae P. A. Munz 1921-4-30 4501 Riverside Pinyon Wells 1220 Comment
  UCR224449  Salvia columbariae Steve Boyd, Susan Jett 2008-3-20 11828 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UCR245255  Salvia columbariae Jim Andre 2012-3-19 21295 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  SEINET7972640  Salvia columbariae I. W. Clokey 1935-4-17 6875 Riverside Cottonwood Springs. Comment
  UC1463875  Salvia eremostachya Jeanine Derby 1976-4-28 Riverside Santa Rosa Mts. 1158 Comment
  UC64240  Salvia eremostachya H. M. Hall 1902-4-12 2856 Riverside Coyote Canyon Colorado Desert (w borders of the Colorado Desert) 914 Comment
  RSA779748  Salvia greatae Duncan S. Bell, Joshua Paolini, Christopher Galley 2011-7-8 2749 Riverside Salt Creek between the Orocopia Mountains and the Chocoloate Mountains, on the north side of the Bradshaw Trail approximately 3.6 air miles northeast of the junction of the Coachella Canal road and Bradshaw road. 181 Comment
  UCR18805  Salvia greatae John C. Roos 1942-4-6 4142 Riverside Sonoran (Colorado) Desert, Orocopia Mtns., 2.1 mi NE of Dos Palmas Spring 213 Comment
  UCR260575  Salvia leucophylla A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41546 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south of Indian Truck Trail along DePalma Road, S of I-15 near drainage structure 365 Comment
  OBI13539  Salvia mellifera Tracey & Viola Call, Viola Call 1962-4-13 2124 Riverside tin Mine Cyn near Corona 351 Comment
  SEINET10499109  Salvia mellifera James S. Miller 1992-5-8 Miller 7454 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  UC1929897  Salvia mellifera Scott D. White, Angelia Carey 2004-7-2 10588 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  RSA82997  Salvia pachyphylla Joseph A. Ewan 1930-8-31 2149 Riverside Trail out of Tahquitz Valley, San Jacinto Mts. 2652 Comment
  CAS-BOT-BC233338  Salvia vaseyi Barbara Ertter; Jeffrey Strachan 1980-5-20 3477 Riverside Highway 74, Pines to Palms Highway near Black Hill between Pal Desert and Santa Rosa Mountain 914 Comment
  RSA125249  Salvia vaseyi E. K. Balls, P. C. Everett 1957-8-20 22670 Riverside 6.6 mi. sw. along State Hwy. 74 from Palm Village (jct. State Hwy. 111). 503 Comment
  CHSC35503  Sambucus mexicana J. M. Sully 1972-4-30 19 Riverside 7 mi. SW of Murrieta on Tenaja Rd. 487 Comment
  UCR107739  Sambucus mexicana D. L. Banks 1997-5-5 1972 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCR131826  Sambucus mexicana Jennie Phui 1998-5-30 036 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  UCR275487  Sambucus mexicana T. B. Salvato, Melissa Clemons 2005-6-9 1507 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  UCR98209  Sambucus mexicana B. G. Pitzer 1997-4-1 3053 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  SD129457  Samolus parviflorus J. Hirshberg 1989-7-25 Riverside Butterfield country, SW of Vail Lake. Comment
  UCR63619  Sanicula arguta Ed LaRue 1990-4-10 s.n. Riverside Midway between Pauba Valley & Wolf Valley, 1/2 mi. north of the Pechanga Indian Reservation 367 Comment
  RSA359603  Sanicula bipinnatifida Steve Boyd 1986-3-9 1397 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 367 Comment
  RSA701119  Sanicula bipinnatifida Michael Wall 1996-7-1 170 Riverside Cherry Valley, along Beaumont/Oak Glen Rd along Little San Gorgonio Creek, 2.6 mi N of Cherry Vly Blvd, W side of road. Comment
  RSA674616  Sanicula crassicaulis Scott D. White, Sandy Leatherman 2000-5-31 7982 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  POM305707  Sanicula tuberosa Henry J. Ramsey 1939-4-22 I- 32 Riverside Hemet-Anza, Bautista Creek Road. Comment
  CAS-BOT-BC466219  Sarcodes sanguinea Mary F. Spencer 1919-6-20 1206 Riverside San Jacinto Mt., Idyllwild 1615 Comment
  LA202870  Sarcostemma cynanchoides subsp. hartwegii Unknown; 1951-5-26 sn Riverside San Jacinto Canyon, Cranston Ranger station Comment
  UC907579  Sarcostemma hirtellum Mary L. Bowerman 1949-4-18 4303 Riverside 14.8 mi. e. of junction with Hwy. 99 U.S. Hwy. 70 (Indio to Blythe) (0.4 mi. e. of Cactus City garage, n. of hwy.) 502 Comment
  UCR180386  Sarcostemma hirtellum Scott D. White, Andrea Warniment (Edwards) 2006-3-29 11276 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchage, north of the I-10 Freeway 152 Comment
  CHSC35796  Satureja chandleri James Henrickson 1972-5-21 7196 a Riverside 2 mi. W. of Murrieta on slopes up to Santa Rosa Plateau along Tenaja Rd. 396 Comment
  RSA740247  Schedonorus arundinaceus Scott D. White, Justin M. Wood 2008-7-9 12407 Riverside Johnson Meadow 1415 Comment
  HSC101530  Schismus barbatus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-14 12752 Riverside Weedlot in Indio, CA 10 Comment
  HSC92568  Schismus barbatus Isely, Bragonier 1960-3-22 7196 Riverside Desert Palms. Comment
  SDSU12246  Schismus barbatus Lara Tikkanen, Taxonomy of California Plants class, M. G. Simpson, instructor 2000-4-1 5 Riverside Comment
  UCR13394  Schoenoplectus acutus var. occidentalis William A. Hunt 1972-5-19 720519- 01 Riverside Upper Santa Ana River Basin, Riverside, behind UCR Religious Center, Watkins House, past canal 305 Comment
  POM186279  Scirpus acutus var. occidentalis Joseph A. Ewan, C. Epling 1933-5-12 7604 Riverside South shore Lake Elsinore. Comment
  UCD124837  Scrophularia californica J. S. Ross; T. Tennant, G. White 1998-5-21 MOR 213 Riverside San Bernardino Mountains: Morongo Indian Reservation, upper Hathaway Canyon, ca. 1.25 miles north of the junction of the lower and upper canyons. Comment
  POM128369  Scrophularia californica subsp. floribunda Thomas Craig 1927-4-23 211 Riverside Glen Ivy. Comment
  RSA425201  Scrophularia californica subsp. floribunda Bonnie C. Templeton, I. W. Clokey 1930-4-15 1480 Riverside North of Gavilan Peak. 550 Comment
  RSA674596  Scutellaria bolanderi subsp. austromontana Scott D. White 2000-8-5 8104 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UCR202583  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin M. Wood 2008-7-8 12366 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  POM47007  Scutellaria siphocampyloides Mary F. Spencer 1919-5-18 1194 Riverside Idyllwild, San Jacinto Mountains 1616 Comment
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Mar 21 2011
  RSA583119  Scutellaria siphocampyloides C. Epling, W. M. Robinson 1935-6-30 s.n. Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  UCR174154  Scutellaria tuberosa A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32573 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SBBG56357  Selaginella watsonii R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2438 Comment
  JEPS30620  Senecio californicus Donald Kyhos 1958-4-4 58 -94 Riverside 8 mi e Cabazon; Stubby Canyon Comment
  CLARK-A1528-290  Senecio douglasii subsp. douglasii C. M. Flanagan 1973-6-13 OO 705 Riverside Morongo Indian Reservation 975 Comment
  CAS-BOT-BC323970  Senecio flaccidus var. douglasii Annie M. Alexander; Louise Kellogg 1941-5-9 2142 Riverside Cottonwood Spring, Eagle Mountains. 883 Comment
  RSA33371  Senecio flaccidus var. douglasii N. C. Cooper 1943-9-26 926 Riverside Cabazon. 549 Comment
  SBBG8769  Senecio mohavensis H. and M. Dearing 1942-3-12 4831 Riverside Palms to Pines Hwy 426 Comment
  UCR244881  Senecio mohavensis Jim Andre 2012-3-19 21389 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  SBBG87835  Senna covesii A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6073 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  RSA675695  Sesuvium verrucosum Scott D. White 2001-5-1 8440 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  SD181742  Sesuvium verrucosum Scott D. White 2001-6-29 8633 A Riverside Menifee Valley: Ca. 1.4 mile southwest of the I-215/Newport Rd. Interchange, northwest of the intersection of Holland Rd. and Bradley Rd. 438 Comment
  UCR110403  Sesuvium verrucosum A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23186 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  RSA676037  Setaria adhaerens Scott D. White 2001-4-11 8291 Riverside SONORAN DESERT: Indio Hills foothills / Coachella Valley. Northern terminus f Rio Del Sol Road, about 2 miles north of Thousand Palms. 146 Comment
  UCR113880  Setaria gracilis Mitch Provance 2000-6-24 2060 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA559453  Sidalcea malviflora Steve Boyd, T. S. Ross 1992-5-5 7215 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA613456  Sidalcea malviflora D. L. Banks, Victor W. Steinmann 1997-3-13 1436 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  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
  RSA0028792  Sidalcea malviflora subsp. sparsifolia N. C. Cooper 1944-5-20 1240 Riverside Palms to Pines Highway. 1433 Comment
  RSA433921  Sidalcea malviflora subsp. sparsifolia W. P. Burger 1979-4-27 57 Riverside Off Caranchos Rd., just W of where creek crosses road. Hidden Valley. 366 Comment
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Jan 11 2016
  SD152886  Silene gallica Steve Boyd, Orlando Mistretta 1992-4-23 7056 Riverside Southern Santa Ana Mountains, along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 245 Comment
  RSA571315  Silene multinervia Steve Boyd, D. L. Banks 1994-4-5 8264 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  SD173176  Silene parishii var. viscida Juergen Schrenk 2005-10-11 44 Riverside Santa Rosa Mountains, summit of Toro Peak 2650 Comment
  UCR207697  Silene verecunda subsp. platyota Justin M. Wood, Brandy N. Wood 2009-6-13 893 Riverside San Jacinto Mountains, Idyllwild County Park, Lily Creek and adjacent slope to west of campground 1616 Comment
  UCSB7426  Silybum marianum Philbrick, Ralph 1954-10-24 Riverside 4 miles south of Chino Institute 213 Comment
  RSA0124803  Simmondsia chinensis Duncan S. Bell, LeRoy Gross 2016-3-31 9198 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  SBBG25812  Simmondsia chinensis M. Van Rensselaer 1937-6-23 Riverside Palms to Pines Hwy Comment
  UC218089  Simmondsia chinensis P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4784 Riverside vicinity Corn Springs (Chuckwalla Mountains); Colorado Desert, Chuckwalla Mountains 457 Comment
  UCR216205  Simmondsia chinensis Jim Andre, T. La Doux 2009-2-25 10799 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  RSA33829  Sinapis arvensis N. C. Cooper 1944-5-21 1274 Riverside San Jacinto Mountains, West side 1220 Comment
  UCR20865  Sisymbrium altissimum Steve Boyd 1980-5-14 s.n. Riverside Perris Basin, Motte Reserve, in the rocky hills 2.5 mi NW of Perris 518 Comment
  RSA0039267  Sisymbrium erysimoides A. C. Sanders 2014-4-23 41048 Riverside Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15, near Black Powder Rd. intersection 377 Comment
  CAS-BOT-BC126758  Sisymbrium irio A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37459 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  RSA0042105  Sisymbrium irio Duncan S. Bell, Deidre Conocchioli 2014-3-11 6230 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  UC1921998  Sisymbrium irio Scott D. White, Angelia Carey 2004-5-7 10338 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent foothills. Comment
  UCR4161  Sisymbrium irio R. H. Sauer 1965-2-24 s.n. Riverside [Riverside], W end of Big Springs Rd. 335 Comment
  UCR180346  Sisymbrium orientale Scott D. White, Angelia Carey 2004-4-5 10028 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UC218260  Smilacina stellata P. A. Munz 1922-7-6 6006 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  UCR189285  Solanum americanum Fred M. Roberts, S. Leatherman 2007-9-19 6584 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UC1563065  Solanum douglasii Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-10 3665 Riverside Vail Lake Area, Temecula Creek Canyon, below the dam Temecula Creek Canyon; Vail Lake Area, Temecula Creek Canyon 457 Comment
  UCR95213  Solanum elaeagnifolium D. L. Banks, Rashmi Pant 1996-5-13 1023 Riverside Agua Tibia Mtns, NW Palomar Mtns; Agua Tibia Mtns; Hwy 79, east of the Dripping Springs Campground; Approx. 1.9 km east of the Dripping Springs Guard Station (100 m east of where Hwy 79 leaves the Forest Service Boundary). On the south side of Hwy 79. 488 Comment
  SDSU14179  Solanum parishii Kristin Andrade, Mike Simpson 2002-4-20 8 Riverside Near Santa Margarita Ecological Reserve northside of trailor under cultivated Ceanothus spp. 340 Comment
  RSA543196  Solanum umbelliferum Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6116 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA613131  Solanum umbelliferum D. L. Banks 1997-3-6 1401 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  RSA80380  Solanum umbelliferum F. W. Peirson 1918-03 1080 Riverside Moreno. Comment
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Mar 20 2011
  SD129520  Solanum xanti Steve Meyers 1990-3-21 Riverside Santa Rosa Plateau area; along Los Gatos Road, I(c) mi. S of Buena Vista Road (2 mi. W of Sandia Canyon, & 0.1 mi. N of San Diego County line) 366 Comment
  UCR164930  Solanum xanti T. B. Salvato, John F. Green 2004-5-27 630 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
  UCR124654  Solanum xanti var. glabrescens B. C. Templeton, I. W. Clokey 1930-4-9 1080 Riverside Moreno Badlands, Moreno Grade, west of Beaumont 600 Comment
  OBI37517  Solidago velutina subsp. californica Steve Boyd 1985-8-7 1110 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd, 0.8 mi E of jtn with 8S01 and 8S02 Comment
  UCR22056  Sonchus asper Steve Boyd 1980-4-27 136 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UC63154  Sonchus oleraceus H. M. Hall 1901-6-27 2294 Riverside vicinity Strawberry Valley (San Jacinto Mountains); , Southern California 1615 Comment
  SEINET10901051  Sorghum halepense Billy Joe Cox 1975-10-10 Cox 4217 Riverside Palo Verde, 1-3 km W (about 32 MI S of Blythe); creosote desert scrub; sandy and gravelly entisols. Comment
  UCR19639  Sparganium eurycarpum subsp. eurycarpum F. M. Reed 1927-5-20 5373 Riverside Peninsular Range; Santa Ana Mtns., alkaline lake west of Temecula Comment
  CSUSB1346  Spartium junceum Richard Sayre 1972-5-22 Riverside Hemet Ramona Bowl Comment
  UC1719500  Spartium junceum D. Atwood 1993-3-26 17652 Riverside summit of Santa Ana Mountains; 4.8 mi S of Lake Elsinore, along Hwy 74 812 Comment
  RSA678950  Spergula arvensis Scott D. White, Michael Honer 2003-6-3 9491 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR89651  Spergularia bocconi Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA0097872  Spergularia bocconi R. E. Riefner 1998-3-22 98 -190 Riverside Lake Elsinore. Elsinore Trough between Willard and Murrieta Creek. Comment
  RSA0098523  Spergularia marina Steve Boyd, David E. Bramlet 1996-4-19 8603 A 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
  SD181608  Spergularia marina Scott D. White 2001-5-1 8442 Riverside Near Sun City, Quail Valley, valleys and slopes east of Canyon Lake and west of Goetz Road; Lake Elsinor/Romoland [quads]. Abundant in heavy soil near an abandoned cattle pond. 441 Comment
  UCR77768  Spergularia platensis Steve Boyd, D. E. Bramlet 1991-5-13 6234 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  PASA1756  Sphaeralcea ambigua 1928-3-3 Riverside near Indio Comment
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Jun 24 2016
  RSA663924  Sphaeralcea ambigua C. R. Annable, Lee Barron 1995-3-11 2267 Riverside Cactus City rest stop on I-10. Comment
  UCSB4086  Sphaeralcea ambigua Ralph, F. 1959-5-17 Riverside Along Palms to Pines Hwy. (74), about 6.7 miles south of Pinon Flats Campground, San Jacinto Mtns 1371 Comment
  RSA77215  Sphaeralcea ambigua subsp. rosacea E. C. Jaeger 1922-4-9 5452 Riverside Eagle canyon about 4 miles E of Palm Springs. Comment
  RSA447398  Sphaeralcea angustifolia Anstruther Davidson 1930-5-27 s.n. Riverside 50 miles East of Colorado Desert Comment
  UC499850  Sphaeralcea angustifolia Roxana S. Ferris, R. Bacigalupi 1932-4-30 8242 Riverside Highway between Blythe and Desert Center Comment
  UC1192271  Sphaeralcea emoryi var. emoryi Malcolm A. Nobs, S. Galen Smith 1948-9-3 484 Riverside 2 mi n of Indio (Imperial Valley); Imperial Valley Comment
  RSA85477  Sphaeralcea emoryi var. nevadensis G. R. Campbell 1954-2-6 18793 Riverside 2 mi W of Black Rock, W of Blythe, Colorado Desert Comment
  JOTR33763  Sphaeralcea rusbyi var. eremicola La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2761 Riverside Joshua Tree National Park. Lost Horse Valley; pullout along Park Blvd. 1.3 mi north of Cap Rock intersection. 1266 Comment
  POM11877  Spiranthes romanzoffiana Philip A. Munz 1922-9-5 6365 Riverside Meadow north of Tahquitz Valley, San Jacinto Mountains 2226 Comment
  JOTR30051  Sporobolus flexuosus La Doux, Tasha, Jade Mohajerin 2006-10-12 1661 Riverside Joshua Tree National Park. Geo Tour Road, in the area burned in July 2006 Comment
  RSA447293  Stachys rigida subsp. rigida Anstruther Davidson s.n. Riverside Idyllwild. San Jacinto. Comment
  UCR12575  Stachys rigida var. rigida Dean Dubbe 1972-5-21 720521- 04 Riverside Santa Ana Mtns., Santa Rosa Plateau, c. 10 mi. outside [SW] of Murrieta on the road to De Luz 457 Comment
  UC1595611  Stebbinsoseris heterocarpa Steve Boyd and Orlando Mistretta 1991-5-22 6283 Riverside e Dorland Mtn (w of Kolb Crk, Vail Lake area, base Agua Tibia Mtn); Vail Lake area, base of Agua Tibia Mtn. 548 Comment
  RSA516099  Stellaria media subsp. pallida D. L. Banks 1997-3-29 1580 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
  RSA474206  Stephanomeria exigua subsp. exigua C. B. Wolf 1942-4-17 613 Riverside Palm Springs. Comment
  CAS-BOT-BC322860  Stephanomeria pauciflora Peter H. Raven 1958-5-18 12997 Riverside Along State Highway 74 4.9 miles north-east of Pinon Flats, San Jacinto Mountains Comment
  JOTR31010  Stillingia linearifolia La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1297 Riverside Joshua Tree National Park. Stop 6: Hexie Mountains, side canyon just north of Blue Cut Gorge Comment
  JOTR32166  Stillingia linearifolia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2318 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7) 902 Comment
  RSA736800  Stillingia linearifolia Scott D. White, Angelia Carey 2004-7-2 10564 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA775596  Stillingia linearifolia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 992 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UCR21134  Stillingia linearifolia 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
  JOTR30122  Stillingia spinulosa La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1754 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  UCR233590  Stipa capensis Robert Weiss 2012-4-9 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley Preserve NE of Palm Desert and E of Thousand Palms, off Southern Calif. Edison right-of-way road along powerlines, at tower 219-3, west of Washington St. 77 Comment
  SD137941  Stipa coronata Steve Boyd, Darin L. Banks 1995-4-5 8418 A Riverside Palomar Range, Agua Tibia Wilderness Area, N flank of Agua Tibia Mtn, at E edge of Dripping Springs Alcove in tributary of Arroyo Seco, W of lower Dripping Springs Trail, just S of the Wilderness boundary. Local in rocky alluvium on higher benches. 579 Comment
  UCR62825  Stipa elmeri B. Lennart Johnson 1960-10-5 s.n. Riverside Fuller's Ridge on the N slope of Mt. San Jacinto. c. 1000' below the point where the non-through road starts 2439 Comment
  UCR214141  Stipa lepida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37722 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR214422  Streptanthella longirostris A. C. Sanders, Richard Dwerlkotte 2010-3-22 37509 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  UCR20376  Streptanthus campestris W. W. Mayhew 1978-5-4 s.n. Riverside Santa Rosa Mtns, Pinyon Flat 1280 Comment
  RSA524598  Stylocline gnaphaloides Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3913 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  SEINET7073466  Stylocline gnaphaloides A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCR113180  Stylocline gnaphaloides A. C. Sanders 1998-3-11 21673 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR167856  Stylocline gnaphaloides T. B. Salvato, Melissa Clemons 2005-6-2 1343 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR194860  Stylocline gnaphaloides Mitch Provance, Michael L. Fugate 2005-4-14 10058 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
  UCR119559  Stylocline micropoides L. C. Wheeler 1953-3-31 7041 Riverside Sonoran (Colorado) Desert, Riverside Mountains, near Mountaineer Mine 313 Comment
  UCR25364  Stylomecon heterophylla John C. Roos 1952-4-16 5553 Riverside SW side of Reche Canyon. 488 Comment
  POM12876  Symphoricarpos rotundifolius var. parishii P. A. Munz 1922-7-6 6016 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  SEINET13943287 Image available Syringa vulgaris Miles Fellows 1985-1 s.n. Riverside Cultivated at the UCR Botanic Garden; 1300 ft alt. 396 Comment
  RSA774515  Tamarix ramosissima Orlando Mistretta, Duncan S. Bell, Janet Beckman, J. D. England, K. Kane, J. Hall, C. Mcdonald, Lucila Reccia 2010-4-12 4468 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
  UCR43484  Tamarix ramosissima R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54091 Riverside San Bernardino Mtns, Flood plain (wash) along Whitewater River, c. 3 mi north of Whitewater Post Office 591 Comment
  UCR132916  Tauschia parishii John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR126002  Tetracoccus dioicus Anne Klein 2002-12-18 s.n. Riverside Santa Ana Mtns., Santa Margarita River watershed, Temecula Canyon south of the river, 1.25 mi. ESE of Gavilan Mtn., crest of hill north of hill 1158 334 Comment
  CAS-BOT-BC202586  Tetracoccus hallii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9540 Riverside 2 miles from Cottonwood Springs, Cottonwood Mts. Comment
  RSA577346  Tetracoccus hallii A. M. Alexander, Louise Kellogg 1941-5-9 2138 Riverside Eagle Mountains: 1.5 miles N of Cottonwood Spring 976 Comment
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Oct 9 2010
  SD260097  Tetracoccus hallii J. Andre 2012-4-11 20793 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. At interface os steep rocky hills and large wash. 729 Comment
  UC667338  Tetracoccus hallii Annie M. Alexander and Louise Kellogg 1941-5-18 2199 Riverside Eagle Mountains, N slope Colorado Desert 1066 Comment
  UC729945  Tetracoccus hallii B. D. Stark 1932-6-15 Riverside Lost Palms Canyon Colorado Desert, Eagle Mts. 259 Comment
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Oct 5 2011
  UCR238218  Tetracoccus hallii Mark A. Elvin 2005-5-19 4361 Riverside Sonoran (Colorado) Desert, eastern edge of Coachella Valley, north of I-10 NW of Cactus City 546 Comment
  CAS-BOT-BC399657  Thalictrum fendleri Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA0120475  Thamnosma montana Duncan S. Bell 2016-3-13 8929 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  UCR234337  Thysanocarpus curvipes A. C. Sanders, John F. Green 2012-3-26 39997 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, mouth of a small canyon between Horsethief Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 369 Comment
  JOTR01044  Thysanocarpus curvipes Cole, James E. 1941-4-15 598 Riverside Joshua Tree National Park. 1 MILE ABOVE PINON WELL 1493 Comment
  RSA501023  Thysanocarpus laciniatus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3142 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  RSA612819  Thysanocarpus laciniatus var. laciniatus D. L. Banks 1997-3-1 1350 Riverside NW Palomar Mountains, Agua Tibia Mountains: 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. 423 Comment
  GMDRC2677  Tidestromia oblongifolia J. Andre, Jason Sexton 2001-11-24 9295 Riverside Chuckwalla Valley: along I-10, approx 8 mi. E. of Desert Center (westbound exit at 'Hell'), Chuckwalla Valley 33 deg. 41.905' N 115 deg. 17.765' W. Elev. 774 ft. 236 Comment
  UCR100876  Tidestromia oblongifolia George K. Helmkamp, E. A. Helmkamp 1998-2-18 2697 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR89669  Tidestromia oblongifolia George K. Helmkamp 1994-3-10 42 22 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  CAS-BOT-BC540736  Tidestromia suffruticosa var. oblongifolia Sarah J. De Groot; Amy Rouillard 2015-9-15 7566 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  SD46213  Tiquilia palmeri Lincoln Constance 1952-4-5 3399 Riverside Dry sandy flat, in open desert. Colorado Desert, American Canal 3 miles east of Mecca. -46 Comment
  SEINET3005046  Tiquilia palmeri G. Rink 2011-4-25 10482 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, desert pavement 118 Comment
  SEINET3152971  Tiquilia palmeri S. B. Parish 1907-4-18 6120 Riverside Western border of the Colorado desert 150 Comment
  UCSB5527  Tiquilia palmeri Foley, Marie 1953-3-21 Riverside 11 miles east of Indio; Colorado Desert Comment
  SEINET10837228  Tiquilia palmeri John D. Bacon 1971-4-11 Bacon 944 Riverside 34.5 mi. S of Vidal on U.S. 95. Along roadside in sandy soil. Edge of foothills. Near Colorado River. Comment
  POM8638  Tiquilia plicata P. A. Munz, R. D. Harwood 1920-4-3 3559 Riverside Ford's Well west of Blythe. 305 Comment
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Dec 13 2016
  UCR35185  Tiquilia plicata L. B. Ziegler 1976-9-20 553 Riverside Sonoran (Colorado) Desert, N end around Desert Hot Springs. 381 Comment
  UC1719526  Toxicodendron diversilobum D. Atwood 1993-3-26 17665 Riverside Santa Ana Mts., 1.5 mi. S. of Lake Elsinore, along Hwy 74. 670 Comment
  UC1563111  Tribulus terrestris Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-10 3695 Riverside benches of and adjacent hills E Arroyo Seco (Vail Lake area); Vail Lake 487 Comment
  UCR174962  Tribulus terrestris Teresa Nieto 2005-5-26 51 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  POM13897  Trichoptilium incisum P. A. Munz, D. D. Keck 1922-4-9 4746 Riverside Shavers Well, near Mecca. 76 Comment
  POM98808  Trichoptilium incisum P. A. Munz 1926-1-31 9956 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA126703  Trichoptilium incisum P. H. Raven 1958-1-28 11461 Riverside on desert pavement, Fargo Canyon Comment
  UCLA54132  Trichostema austromontanum subsp. austromontanum H. Lewis 1941-7-30 1479 Riverside Lake Hemet; ; Lake Hemit, Riverside Co. Comment
  RSA559462  Trichostema lanatum Steve Boyd, T. S. Ross 1992-5-4 7205 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA221015  Trichostema parishii E. W. Lathrop 1966-5-26 6344 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA305719  Trichostema parishii Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1020 Riverside Hemet-Anza. Bautista Creek Road. Comment
  UC26026  Trichostema parishii H. M. Hall 1898-6-26 Riverside El Toro Mountain Southern California, San Jacinto Mountains Comment
  UC1929858  Trifolium albopurpureum Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9591 Riverside Near Rainbow Valley.: Mountains west of I-5 Freeway and immediately north of San Diego County boundary. Comment
  RSA562477  Trifolium ciliolatum Steve D. Boyd, Tim S. Ross 1992-5-5 7259 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  UCR57132  Trifolium ciliolatum Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, Miller Canyon, north of Mesa de Burro 585 Comment
  SD181507  Trifolium depauperatum var. truncatum Steve Boyd 2001-4-12 10416 Riverside Peninsular ranges, Perris-Aguanga Basin region, Gavilan Hills region, south base of Alberhill Mountain on flats north of Nichols Road and west of Pierce Street, in the vicinity of the site of Ter Cotta. Comment
  RSA91079  Trifolium depauperatum var. truncatum F. W. Peirson 1922-4-29 2938 Riverside Mud flat south of Elsinore Comment
  SEINET7048201  Trifolium microcephalum Steven R. Hill, Andrew C. Sanders 2001-5-4 33711 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
  POM320522  Trifolium variegatum Worthman 1968-5-16 185 Riverside 18 mi west of Murietta 619 Comment
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Jun 16 2013
  POM158463  Trifolium willdenovii Philip A. Munz 1972-5-20 10820 Riverside 10 mi. south of Hemet. Comment
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Nov 30 2014
  SD152841  Trifolium willdenovii Steve Boyd, Tim Ross 1992-5-5 7226 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, eastern portions of Oak Flats along the Bluewater Trail, open areas in grassland 730 Comment
  UC80459  Trifolium wormskioldii A. W. Anthony 1895-7-13 Riverside San Jacinto Mtn 2438 Comment
  RSA100339  Triodanis biflora F. W. Peirson 1926-5-2 6723 Riverside Grade north of Dripping Spring, Temecula River. 427 Comment
  RSA559331  Triodanis biflora Steve Boyd 1992-5-15 7411 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  UCR105989  Triodanis biflora D. L. Banks 1997-5-5 1982 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  SBBG59417  Trisetum spicatum R. Hoffmann 1929-9-10 Riverside Tahquitz Pk 2590 Comment
  CAS-BOT-BC323088  Trixis californica C. L. Hitchcock 1940-4-1 5901 Riverside 1 mile below Cottonwood Springs, Joshua Tree Nat. Monument Comment
  CAS-BOT-BC323095  Trixis californica K. Larson 1976-10-1 60062 B Riverside 10 miles south of Desert Center on east side of Chuckwalla Mtns. Comment
  RSA676269  Trixis californica Scott D. White 2001-4-3 8224 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA678345  Trixis californica Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10486 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
  RSA94829  Trixis californica F. W. Peirson 1919-4-14 1463 Riverside Murray Canyon, near Palm Springs. Comment
  JOTR31812  Trixis californica var. californica La Doux, Tasha, Bill Truesdell 2007-11-9 2520 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; Canyon parallel to and east of Lost Palms Canyon (Stop 5) 651 Comment
  OBI52133  Trixis californica var. californica Larry Kelly, David J. Keil 1988-4-16 52 Riverside Ca. 5 mi from hwy 10 on rd through Ocatillo garden, and cholla patch in Joshu tree natl monument Comment
  UC24077  Turricula parryi H. M. Hall 1896-9-2 332 Riverside San Jacinto Mts. 1828 Comment
  UC1126312  Umbellularia californica R. St. John 1931-3-13 194 Riverside Head of Hagador Canyon 1066 Comment
  CAS-BOT-BC224918  Uropappus lindleyi A. C. Sanders 2011-4-6 38988 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
  SD232194  Uropappus lindleyi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10467 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert: East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Area burned in 2001. Comment
  SD76206  Uropappus lindleyi Helen V. Witham 1970-5-1 851 Riverside Bautista Canyon, southeast of Hemet. 800 Comment
  UCD111614  Urtica urens F. R. Lawson 1930-3-9 s.n. Riverside Riverside. Comment
  RSA0013035  Verbena bracteata LeRoy Gross, Caitlin Elam 2013-5-14 6056 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA0120438  Verbena neomexicana Duncan S. Bell, LeRoy Gross 2016-5-18 9595 Riverside Santa Rosa Mountains; west side of Martinez Mountain; hills in the northern section of Little Pinyon Flat. 1316 Comment
  UCR252211  Verbena tenuisecta J. Mendoza 2011-5-13 s.n. Riverside Santa Ana River Regional Park near Louis Rubidoux Nature Center 221 Comment
  UCR59674  Veronica anagallis-aquatica Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3545 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  UCR232800  Veronica peregrina subsp. xalapensis John F. Green 2008-4-16 0408- 46 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  POM12084  Vicia americana Mary F. Spencer 1922-6-17 1611 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  CLARK-A1528-4412  Viola pedunculata John C. Roos 1952-3-19 5395 Riverside Box Springs Mountains 457 Comment
  RSA390415  Vitis girdiana Anstruther Davidson 1904-05 1093 Riverside Palm Springs. Comment
  UCD170108  Vitis girdiana Mitch Provance 2012-10-15 1012 -05 Riverside Badlands of Western Riverside County: San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60. 1479 Comment
  CAS-BOT-BC227219  Vulpia microstachys A. C. Sanders 2011-4-6 39023 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. between freeway and SCE substation, SE of Glen Ivy Hot Springs 329 Comment
  RSA85582  Vulpia microstachys var. pauciflora J. C. Roos 1952-4-2 5464 Riverside Box Springs grade east of Riverside. 427 Comment
  RSA605747  Vulpia myuros A. C. Sanders, G. Helmkamp 1996-3-17 17989 Riverside Coachella Valley; Palm Springs, mouth of Palm Canyon, 0.5km E of Palm Canyon Dr. on Bogert Trail 163 Comment
  RSA613638  Vulpia myuros D. L. Banks, Victor Steinmann 1997-3-13 1481 A 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
  SEINET238161 Image available Woodwardia fimbriata Mitch Provance 2000-5-5 2018 Riverside Riverside: Box Springs Mtns. canyon ca. 0.5 mi. NE of peak 2553 and ca. 0.5 mi. SW of the old landfill off Pigeon Pass 427 Comment
  CAS-BOT-BC326888  Xylorhiza tortifolia Cecil Hart 1926-5-10 25 Riverside Cajon Pass Comment
  CAS-BOT-BC326895  Xylorhiza tortifolia Roxana S. Ferris 1953-4-20 12635 Riverside Canyon floor road to Lost Palms Canyon about 4 miles north of Shaver Summit Comment
  RSA658630  Xylorhiza tortifolia Trudy R. Ericson 1976-4-17 508 Riverside Collected on rocky hillside just off Corn Springs Road. Area is 14.5 mi. from intersection of Corn Springs Road and Chuckwalla Road. 610 Comment
  CAS-BOT-BC102460  Yucca schidigera Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  UCR133420  Yucca schidigera Mitch Provance, J. S. Ross 1998-3-27 MOR- 940 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, S entrance to Hathaway Cyn., near the corner of Verdugo Rd. and Hathaway Cyn. Rd. 732 Comment
  SEINET10965895  Yucca schidigera A. K. Evans 1976-4-13 Evans 5134 Riverside Rocky slopes of Santa Rosa mountains. Comment
  POM13811  Zannichellia palustris Philip A. Munz, I. M. Johnston 1922-5-5 5157 Riverside Mystic Lake, near Moreno Comment
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Mar 20 2011
  UCR26309  Zannichellia palustris John C. Roos 1937-5-10 508 Riverside Lake Elsinore Comment
  CLARK-A1656-617  Zauschneria californica Lois Ann Scott 1977-10-28 Riverside Cottonwood Canyon 548 Comment
  RSA516887  Zigadenus fremontii Steve Boyd 1986-3-1 1374 Riverside Gavilan Plateau, Gavilan Hills. 625 Comment
  UCR56104  Zigadenus fremontii Ed LaRue 1989-3-30 s.n. Riverside Peninsular Range, Rancho California area: c. 4 mi west of Temecula, with Ave. del Oro as the N boundary 381 Comment
  CAS-BOT-BC530503  Zigadenus fremontii A. C. Sanders 2005-5-7 30018 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 487 Comment
  UCSB4016  Ziziphus parryi Haller, John 1950-5-21 Riverside San Jacinto Mtns., Pinyon Flat 1219 Comment



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