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

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229310  Abronia villosa John Thomas Howell 1928-3-11 3429 Riverside 6 miles se. of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  CAS-BOT-BC229313  Abronia villosa Mary F. Spencer 1919-6-17 1330 Riverside Fields near San Jacinto 304 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
  SEINET7909538  Abronia villosa P. L. Packard 1976-1 23 Riverside 6 mi W of Blythe, Interstate 10 Comment
  UCD109830  Abronia villosa Lewis S. Rose 1967-12-20 67184 Riverside 6 mi. se. of Thousand Palms. 9 Comment
  POM745  Abronia villosa var. aurita Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. Comment
Read comments
Aug 27 2011
  RSA69958  Abronia villosa var. aurita F. W. Peirson 1922-4-21 3340 Riverside Hemet Valley 1357 Comment
  UCR165197  Abronia villosa var. aurita D. E. Bramlet, Fred M. Roberts, Michael C. Couffer 2004-4-7 3548 Riverside Perris-Aguanga Basin, South Bernasconi Hills. Adjacent to existing acess road. 244 m south of the Ramona Expressway and 2.2 km west of the San Jacinto River 487 Comment
  RSA0056450  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-4-5 6609 Riverside Hemet. 500 Comment
  POM217967  Abutilon palmeri George Black 1936-03 s.n. Riverside Wash at Corn Springs Comment
  CAS-BOT-BC30906  Acamptopappus sphaerocephalus L. R. Abrams 1926-3-27 11127 Riverside near Whitewater Comment
  CAS-BOT-BC30950  Acamptopappus sphaerocephalus L. R. Abrams 1941-4-23 13923 Riverside White Water wash, Palm Springs railroad station Comment
  UCR239833  Acer negundo O. F. Clarke 2004-4-6 s.n. Riverside Peninsular Range, Riverside, UCR campus, near road to Botanic Garden 328 Comment
  CAS-BOT-BC20352  Achillea millefolium Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UC29246  Achillea millefolium H. M. Hall 1897-1-1 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC260437  Achnatherum hymenoides Geo. B. Grant 1906-4-20 6782 Riverside Palm Springs Comment
  UC472731  Achnatherum hymenoides Mary F. Spencer 1918-3-27 829 Riverside Palm Springs Colorado Desert (near irrigating ditch) 100 Comment
  JOTR00963  Achnatherum hymenoides Cole, James E. 1941-1 982 Riverside Joshua Tree National Park. PINE CITY ROAD Comment
  CLARK-A1528-2417  Achyronychia cooperi John C. Roos 1937-4-23 2123 Riverside Garnet Comment
  HSC66748  Achyronychia cooperi D. L. Goforth, D. Reed 1980-3-25 353 Riverside Hwy. 195, 6 miles E of Mecca. Box Canyon, Mecca Hills 122 Comment
  POM10327  Achyronychia cooperi Charlotte M. Wilder 1905-04 707 Riverside Santa Marie Mountains. Comment
  RSA423492B  Achyronychia cooperi L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain, Colorado River Comment
  SDSU14188  Acmispon glaber var. brevialatus Michelle Perl 2002-4-20 7 Riverside Santa Margarita Ecological Reserve 1/8 mile northeast from Northside Field Station on Via Tornado Road. 339 Comment
  SBBG67361  Acmispon heermannii var. heermannii M. N. Ackley 1928-4-3 554 Riverside Devils Cyn, Coral Reef Ranch 91 Comment
  RSA799086  Acmispon rigidus Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6883 Riverside South side of Joshua Tree National Park, Cottonwood Spring 884 Comment
  SD146270  Acmispon strigosus A. C. Sanders 1998-3-17 21743 Riverside Shipley/Skinner Reserve Area, North Domenigoni Hills, south of Hemet; Winchester 7.5' quad. 342 Comment
  SJSU10327  Acmispon strigosus B. A. Summers 1958-4-8 Riverside Alejo Rd 0.5 mi S of Palm Springs Comment
Read comments
Apr 17 2011
  SD137918  Acourtia microcephala Darin L. Banks, Victor Steinmann 1995-7-10 747 Riverside Northwest Palomar Mountains; Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area, along the Wildhorse Trail. 600 Comment
  UC1294021  Acourtia microcephala E. K. Balls 1958-6-27 23297 Riverside 6.9 mi nw from jct with Main Divide, by locked gate Indian Truck Trail; Santa Ana Mts. 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
  CAS-BOT-BC140301  Adenostoma sparsifolium Louis C. Wheeler 1931-10-4 175 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 1371 Comment
  CAS-BOT-BC69648  Adiantum capillus-veneris Edmund C. Jaeger 1922-3-18 s.n. Riverside Eagle Canyon, Colorado Desert, 5 mi. e. of Palm Springs. Comment
  RSA585792  Adiantum jordanii Darin L. Banks, Steve Boyd 1995-5-9 419 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  UCR114756  Adiantum jordanii Scott D. White, D. E. Bramlet 1999-4-22 7230 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR158947  Adiantum jordanii Scott D. White 1994-6-14 2053 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  CLARK-A1528-3578  Adiantum pedatum John C. Roos 1948-5-29 3871 Riverside Whitewater Canyon Comment
  IRVC3990  Agave deserti R. H. Whittaker, W. A. Niering 1963-6-1 SJ 144 Riverside Palms to Pines Hwy., slope draw. Santa Rosa Mountains 701 Comment
  RSA750595  Agave deserti subsp. deserti K. M. Meyer, A. Townesmith, T. Scott 2007-3-19 21 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinyon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  JEPS32114  Agnorhiza ovata Carl V. Meyer 1929-6-18 783 Riverside near Kenworthy (at edge of Hemet Valley); Hemet Valley Comment
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Mar 25 2011
  UC1931094  Agnorhiza ovata Scott D. White, Justin Wood 2008-7-8 12383 Riverside San Jacinto Mountains: Hurkey Creek Watershed - Bonita Vista Rd, ca. 1/2 miles E and W of Hurkey Creek crossing. 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
  RSA797247  Agrostis R. F. Thorne, Walter Wisura 1977-9-17 50785 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCSB37907  Agrostis exarata Sanders, A. 1980-7-18 Riverside San Yacinto Mtns; Thomas Mtn, Spillway Canyon 2 mi SW of Hwy 74 along Thomas Mtn Rd. T6S, R3E, S1/2 sec 17 1463 Comment
  RSA23240  Aliciella latifolia Ernest Braunton 1940-03 2045 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  CAS-BOT-BC131990  Allium haematochiton Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4063 Riverside Vail Lake area, summit of 'Big' Oak Mtn. at E end 792 Comment
  CAS-BOT-BC131993  Allium haematochiton Ira W. Clokey 1935-4-18 6555 Riverside Gavilan Peak 600 Comment
  RSA70222  Allium haematochiton F. W. Peirson 1921-3-19 2394 Riverside 4 miles west of Beaumont, on road to Redlands. Comment
  SD136977  Allium lacunosum var. davisiae Steve Boyd, Tim Ross 1992-5-15 7386 Riverside Southern Santa Ana Mts, SE flank of Elsinore Peak at 'Onion Hill', grassy knoll of clay soil ca. Ao mile SE of radio towers, along old Main Divide Rd track. N & W sides of hill in semi-barren scurry zone at contact between grassland & chaparral. 1021 Comment
  RSA771810  Allium lacunosum var. lacunosum Steve Boyd 2010-5-26 12278 Riverside 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
  RSA770512  Allium munzii S. Mashayekhi, Steve Boyd, D. Buck, J. Mendosa 2010-4-22 SM 048 Riverside Plateau rim of Estelle Mt. Comment
  RSA582822  Allium parryi Mark A. Elvin, Orlando Mistretta 1995-6-1 44 Riverside San Jacinto Mountains: Garner Valley, off Fobes Ranch Road. 1375 Comment
  RSA342549  Alnus rhombifolia R. F. Thorne 1980-4-16 54098 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  SD80158  Alnus rhombifolia Nancy Ryan Zabriskie, Walter Zabriskie 1971-2-13 339 Riverside East slope San Jacinto Mountains, Andreas Canyon, north bank 100 yards upstream from crossing below Clubhouse 305 Comment
  UC455281  Alnus rhombifolia I. J. Condit 1910-6-23 Riverside Strawberry Valley San Jacinto Mts. (along stream) 1676 Comment
  CAS-BOT-BC137954  Alopecurus saccatus Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37442 Riverside Santa Rosa Plateau. Mesa de Colorado. 670 Comment
  UCR220336  Alopecurus saccatus D. E. Bramlet 1992-4-29 2257 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8 km SW of Hemet, NW of the intersection of California Ave. and Stowe Rd., c. 250 ft. north of Stowe Rd. and c. 350 ft. west of California Ave. 456 Comment
  RSA763307  Amaranthus albus Scott D. White, Angelia Carey 2004-6-4 10476 -B Riverside San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  UCR103547  Amaranthus albus George K. Helmkamp, E. A. Helmkamp 1998-1-17 2530 A Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  RSA402973  Amaranthus blitoides L. S. Rose 1967-12-20 67185 Riverside 6 mi. SE, of Thousand Palms. 15 Comment
  SBBG133569  Amaranthus blitoides S. D. White, A. Carey, L. Archa 2004-8-5 10669 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Creek from confluence w/ San Jacinto River to +/- 2 mi upstream. 534 Comment
  UCR113562  Amaranthus cruentus Mitch Provance, A. C. Sanders 2000-7-4 2088 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 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
  UCR19182  Amaranthus palmeri John C. Roos 1965-9-28 s.n. Riverside San Jacinto Valley, Hemet Comment
  RSA595915  Ambrosia acanthicarpa Darin L. Banks, Lauren Raz 1996-11-5 1174 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 20 m E of its intersection with Pechanga Creek. 393 Comment
  UCSB7142  Ambrosia acanthicarpa Philbrick, Ralph 1954-10-24 Riverside 4 miles south of Chino Institute Comment
  CAS-BOT-BC22604  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -331 Riverside Joshua Tree National Monument: about 4 mi S of Entrance to Cottonwood Springs Campground Comment
  IRVC731  Ambrosia dumosa A. S. Boughey 1965-3-15 105 Riverside Above Palm Springs. northern Sonoran Desert 457 Comment
  JEPS40963  Ambrosia dumosa W. L. Jepson 1928-4-25 12618 Riverside dry hills, (at w edge of Eagle Mountains) Cottonwood Springs; Colorado Desert, Joshua Tree National Monumnet, Eagle Mounta 731 Comment
Read comments
Oct 9 2010
  RSA416963  Ambrosia dumosa N. C. Cooper 1949-4-8 3234 Riverside Mecca Pass east of Indio. 548 Comment
  RSA695719  Ambrosia dumosa Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
Read comments
Aug 27 2011
  RSA796102  Ambrosia dumosa Duncan S. Bell 2009-4-20 318 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 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
  UCSB45944  Ambrosia ilicifolia Roos, John 1958-3-15 Riverside 2 1/2 miles S.E. of Desert Center, in the Chuckwalla Mtns. Comment
  UCR106915  Ambrosia psilostachya D. L. Banks, L. Raz 1996-11-5 1184 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  RSA0008350  Ambrosia pumila M. E. McGlaughlin, Elizabeth Friar 2003-7-25 093 Riverside Nichols Rd, South of I-15. North of Elsinore lake outlet; Peninsular Ranges; Perris-Aquanga Basin region. Comment
  HSC5855  Ambrosia salsola C. L. Hitchcock 1966-3-16 24217 Riverside 4 mi. S of Palm Desert, along Palms to Pines Hwy. Comment
  SBBG34635  Ambrosia salsola var. salsola T. L. Secrest 1950-3-13 Riverside near Salton Sea Comment
  IRVC26145  Amelanchier utahensis Art Whistler 1966-5-8 15 Riverside downstream from Lake Fulmor, Route 74. Peninsular Ranges/ San Jacinto Mountains 1585 Comment
  UC64534 Image available Amelanchier utahensis W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1949 Riverside Kenworthy Comment
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Mar 25 2011
  UCR128294  Amelanchier utahensis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8635 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  UCR19670  Amelanchier utahensis Art Whistler 1966-5-8 s.n. Riverside Peninsular Ranges/ San Jacinto Mountains, downstream from Lake Fulmor, Route 74 1585 Comment
  UCR18300  Ammannia robusta A. C. Sanders 1979-10-6 424 Riverside San Jacinto Valley, c. 0.25 mi. west of Bridge Street near its intersection with Gilman Springs Road 427 Comment
  UCR26242  Ammannia robusta John C. Roos 1937-6-7 2401 Riverside San Jacinto River Valley, Foot of Jackrabbit Trail. [N of San Jacinto] Comment
  UCR26281  Ammannia robusta John C. Roos 1952-5-16 5672 Riverside Perris-Aguanga Basin region, San Jacinto River bottomlands, 1 mi. SE of Perris. 427 Comment
  RSA787989  Amorpha californica var. californica Linda M. Prince, Duncan S. Bell 2009-6-17 571 Riverside Cleveland National Forest. Roadside. Comment
  RSA614401  Amsinckia intermedia D. L. Banks 1997-3-16 1535 B Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  RSA0089632  Amsinckia intermedia D. L. Banks 1997-3-1 1387 B 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
  HSC79040  Amsinckia menziesii A. C. Sanders 1985-3-18 5404 Riverside UCR campus, between Lothian Dorm and Watkins Dr. Comment
  SD187373  Amsinckia menziesii Scott D. White, Angelia Carey 2004-4-16 10173 Riverside Indian Creek and adjacent slopes. 548 Comment
  RSA499898  Amsinckia menziesii var. menziesii Jeannette B. Edge 1934-3-18 s.n. Riverside [San] Timoteo Canyon. 518 Comment
  RSA0089937  Amsinckia menziesii var. menziesii Darin L. Banks, Victor W. Steinmann 1997-3-13 1467 A Riverside NW Palomar Mountains, Agua Tibia Mountains: Vail Lake area, north and just south 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
  CSUSB995  Amsinckia tessellata Pam Maynard 1974-4-25 S. N. Riverside Box Springs mountians-- crevass at East end of Big Springs road 670 Comment
  POM368407  Amsinckia tessellata Severance 1926-2-20 s.n. Riverside Andreas Canyon. Comment
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May 14 2013
  RSA689374  Amsinckia tessellata Scott D. White 2001-4-19 8379 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  POM13624  Amsonia brevifolia var. tomentosa E. C. Jaeger 1921-4-1 60 Riverside One Thousand Palms Canyon. Colorado Desert of California. Comment
  UC878736  Amsonia tomentosa I. W. Clokey 1935-4-17 6792 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs Comment
  UCR16649  Anagallis arvensis Kirk Taylor 1976-5-23 76-5-23- 13 Riverside Peninsular Range, Mesa de Colorado, 7 mi west of Murrieta on Tenaja Rd 549 Comment
  UCR174359  Ancistrocarphus filagineus A. C. Sanders 2006-5-19 32383 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  POM153403  Anemopsis californica P. A. Munz, I. M. Johnston 1928-9-12 11302 Riverside Marsh, 1/2 mile N. of Temecula. Comment
  RSA503858  Anemopsis californica N. C. Cooper 1949-6-1 3958 Riverside Elsinore. 457 Comment
  RSA640827  Anemopsis californica L. C. Wheeler 1931-4-17 s.n. Riverside Santa Ana River south of Chino. Comment
Read comments
Jun 10 2012
  SD146157  Anemopsis californica Andy C. Sanders, D. Bramlet, M. Costea, T. Salvato 1999-10-15 23183 Riverside San Jacinto Valley; Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Road., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCR137354  Anemopsis californica 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
  JOTR34470  Anisocoma acaulis Andre, Jim 2012-4-16 20955 Riverside Joshua Tree National Park. Pleasant Valley; along Geology Tour Road at SW end of one-way loop at drainage below Pinyon Well. Approx. 7.5 mi south of Natl Park loop road (paved). 1094 Comment
  JOTR35480  Anisocoma acaulis La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3168 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  UCR227722  Antirrhinum coulterianum Duncan S. Bell, Joy England 2010-5-27 11125 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 0.8 air mi southeast of junction of Hwy 74 and Forest Service Road 5S15 744 Comment
  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
  SD262335  Antirrhinum nuttallianum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-6-8 617 9 Riverside Temescal Valley: Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd (Alberhill 7.5'Q) 366 Comment
  JEPS83383  Antirrhinum nuttallianum subsp. nuttallianum David M. Thompson 1983-5-10 300 A Riverside Railroad Canyon road , Elsinore Quad. (7.5', 1953) (Lake Elsinore) 548 Comment
  UCR3407  Apiastrum angustifolium John Minnich 1964-4-7 64-04-0-7- 3 Riverside Box Springs Mtns, Two Trees Canyon, Riverside 367 Comment
  RSA335038  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Rd., 7 mi. west of Rancho California. 366 Comment
  UC9006  Aquilegia formosa H. M. Hall July 1901 Riverside San Jacinto Mtns 1524 Comment
  RSA0126162  Arabis glabra Christopher Davidson 1977-5-18 5630 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1219 Comment
  POM307295  Arabis holboellii var. retrofracta Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2157 Riverside Santa Rosa Mountains. Comment
  RSA740235  Arabis johnstonii Scott D. White, Justin M. Wood 2008-6-17 12191 -C Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  CLARK-A1045-133  Arabis perennans George K. Helmkamp 1977-5-20 Riverside Deep Canyon mouth of Deep Canyon; Palm Desert 15'Q Comment
  UCR44209  Arabis pulchra A. C. Sanders 1986-6-1 6550 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  RSA595732  Arceuthobium californicum Louis C. Wheeler 1945-10-6 6148 Riverside San Jacinto Mountains. North fork San Jacinto River, Fuller Mill Creek. 1829 Comment
  UCR95942  Arctostaphylos glandulosa subsp. leucophylla Scott D. White 1996-8-1 4450 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  POM254931  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Bear Springs, Santa Ana Mts. 1311 Comment
  RSA631825  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16609 Riverside Road to Santa Rosa Mtn. (7S02), 0.5 km south of Hwy 74. 1475 Comment
  UC876404  Arctostaphylos glauca F. R. Fosberg 1939-3-9 S 1532 Riverside small steep side canyon Mission Canyon Comment
Read comments
Feb 17 2013
  RSA633613  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21759 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA635647  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16613 Riverside Road to Santa Rosa Mtn. (7S02), 1.5 km south of Hwy 74. 1540 Comment
  UC219282  Arctostaphylos pringlei subsp. drupacea Munz and Johnston 1922-5-20 5490 Riverside head of Hemet Valley San Jacinto Mts. 1524 Comment
  UCR121226  Arctostaphylos pringlei subsp. drupacea Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2300 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCSB26243  Arctostaphylos pringlei subsp. drupacea Gliessman, Stephen 1968-7-17 Riverside 50 yards south of Little Thomas Mountain Road, 3.7 miles north of junction with Highway 74, Little Thomas Mountain 1584 Comment
  CAS-BOT-BC46343  Arctostaphylos pungens Scott D. White 1996-8-1 4416 Riverside Idyllwild area: Hwy 243 at deer Springs trailhead and adjacent area. USGS San Jacinto Pk. 7.5' topo. 1828 Comment
  SD143522  Arctostaphylos pungens W. L. Halvorson 1977-4-1 77 220 Riverside 5 miles south of Temecula on State Route S-16 Comment
  RSA635990  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19489 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
  RSA635999  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21609 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 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
  SD180727  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-9 411 Riverside Santa Margarita Ecological Reserve, on bench ca. 1/3 up steep slope from river bottom. 264 Comment
  RSA105975  Argemone munita subsp. munita Gerald B. Ownbey, Findley Ownbey 1954-8-7 2178 -a Riverside 9.7 mi., s.e. of Idyllwild, Hemet Valley road; 1372 Comment
  RSA342535  Argythamnia serrata R. F. Thorne, Dick Tilforth 1980-4-16 54018 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  LA9312  Aristida adscensionis H. S. Yates; 1937-3-23 6648 Riverside 15 N. N. W. of Mecca Comment
  UCR2159  Aristida adscensionis F. M. Reed 1920-3-25 4270 Riverside Sonoran (Colorado) Desert, Sand dunes near Indian Wells 30 Comment
  UCR266909  Aristida purpurea D. E. Bramlet 1998-5-27 2630 A Riverside North Domenigoni Hills, c. 3-8 km ESE of Winchester 625 Comment
  JOTR35934  Aristida purpurea var. fendleriana De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6882 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  UCD56536  Aristida purpurea var. fendleriana F. M. Reed 1933-5-31 7921 Riverside soutthern California, Santa Rosa Indian Reservation, near bridge on Palms to Pines road. Comment
Read comments
May 1 2011
  RSA129292  Aristida purpurea var. longiseta H. S. Yates 1937-6-27 6722 Riverside Head of Deep Canyon. 1220 Comment
  RSA457405  Aristida purpurea var. purpurea J. C. Roos 1965-9-26 s.n. Riverside Palm Springs. 122 Comment
  RSA417288  Artemisia douglasiana L. C. Wheeler 1931-10-4 200 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  RSA556509  Artemisia dracunculus Julie Greene 1993-4-10 1170 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 475 Comment
  JOTR32843  Artemisia ludoviciana subsp. incompta La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1033 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  RSA38359  Artemisia tridentata Philip A. Munz 1946-10-19 11565 a Riverside Coahuila 1098 Comment
  UCR137701  Asclepias californica D. L. Banks, V. W. Steinmann 1997-3-13 1491 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
  UCR178846  Asclepias californica Mitch Provance, Tracy Tennant 1998-6-16 MOR- 393 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  RSA0046830  Asclepias californica Paul Shirokawa 1998-5-15 27 Riverside Cleveland National Forest: Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 807 Comment
  JOTR32021  Asclepias erosa La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2251 Riverside Joshua Tree National Park. Pinto Basin, south of Sand Hill; wide, sandy wash draining into Pinto Wash (Stop 3) 476 Comment
  RSA588137  Asclepias erosa D. L. Banks, S. D. Boyd 1995-6-27 739 Riverside NW Palomar Mountains; Agua Tibia Mountains; Along the Crosley Road, N of the junction between the Cutca Road; N of the Devils Hole area, N of the Forest Boundary. N of the first gate along the road approximately 1/2 mile from Hwy 79. 518 Comment
  UCR182539  Asclepias fascicularis Mitch Provance 2003-7-4 4636 Riverside San Bernardino Valley, Riverside, Along Jackson St., between Audrey and Colorado Aves. 226 Comment
  CLARK-A1528-125  Asclepias subulata Charlotte Stocks 1963-5-2 Riverside Comment
  CLARK-A1656-605  Asclepias subulata Jim Cornett 1977-7-10 Riverside Thousand Palms Canyon 137 Comment
  RSA792833  Asclepias subulata Justin M. Wood, Dustin Ray 2011-4-28 3845 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  UC211619  Aspidotis californica F. M. Reed 1908-2-23 2236 Riverside Jurupa Hills above Wilder's Canyon, W of Riverside 426 Comment
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Jul 30 2006
  UCR125297  Aster subulatus A. C. Sanders 2002-11-21 25631 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 457 Comment
  POM4751  Aster subulatus var. ligulatus Geo. R. Hall 1905-9-3 s.n. Riverside Riverside Comment
  CAS-BOT-BC177469  Astragalus aridus L. A. Greata 1905-4-1 420 Riverside Coachella Comment
  UC81364  Astragalus aridus C. R. Orcutt 1889-4-1 2264 Riverside Colorado Desert Comment
  SBBG3168  Astragalus crotalariae H. and M. Dearing 1949-12-3 4065 Riverside NE end of Salton Sea Comment
  UC862884  Astragalus crotalariae P. A. Munz, D. Keck 1922-4-8 4743 Riverside 1/2 mi e Indio (Colorado Desert); , e of Indio -15 Comment
  CAS-BOT-BC182324  Astragalus didymocarpus var. didymocarpus H. M. Hall 1897-3-13 388 Riverside Elsinore Lake Comment
  RSA415493  Astragalus douglasii Christopher Davidson 1978-6-15 7394 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  PASA2724  Astragalus douglasii var. parishii Frank W. Peirson 1922-4-29 2955 Riverside Aguanga 609 Comment
  POM229046  Astragalus douglasii var. parishii P. A. Munz 1937-5-30 15143 Riverside Northwest slope of Santa Rosa Mt. 2134 Comment
  UCSB45547  Astragalus insularis var. harwoodii Roos, John 1958-3-15 Riverside Chuckwalla Mtns., 3 miles SE of Desert Center Comment
  UCR11613  Astragalus lentiginosus O. H. Kappler 1950-4-1 2047 Riverside Western Colorado Desert, Four mi. east of Palm Springs, north of Cathedral City. 183 Comment
  CAS-BOT-BC187103  Astragalus lentiginosus var. borreganus John Thomas Howell 1928-3-11 3439 Riverside Six miles south-east of Garnet Station, Coachella Valley Comment
  POM6621  Astragalus lentiginosus var. coachellae P. A. Munz 1919-3-25 2307 Riverside Sand dunes. Whitewater. 305 Comment
  RSA415584  Astragalus lentiginosus var. coachellae Christina Clark 1929-3-16 s.n Riverside N. Indio. Comment
  RSA653167  Astragalus nuttallianus var. imperfectus A. C. Sanders, K. C. Rose 1995-4-5 16371 Riverside San Bernardino Mtns. / Coachella Valley: alluvial slopes and foothills S of Mission Creek and E of Hwy 62. 520 Comment
  RSA415645  Astragalus palmeri M. B. Dunkle 1938-4-3 5237 Riverside 2 miles S of Nightengale, Santa Rosa Mt. Comment
  SBBG3264  Astragalus palmeri H. and M. Dearing 1936-12-26 837 Riverside Palms to Pines Hwy 1219 Comment
  RSA415763  Astragalus trichopodus Elizabeth Tisdale 1931-6-19 20344 Riverside Chino Hills border. Santa Ana Valley. Comment
  SD81620  Athyrium filix-femina var. cyclosorum Louis C. Wheeler 1931-10-3 198 Riverside 1 mile northwest of Tahquitz Peak, San Jacinto Mountains 1860 Comment
  RSA613414  Athysanus pusillus D. L. Banks 1997-4-5 1677 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  UCR249834  Athysanus pusillus T. B. Salvato, John Lovio 2013-3-19 7358 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  RSA480072  Atrichoseris platyphylla Steve Boyd, S. Meury, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2161 Riverside Palen Pass at the north end of the Palen Mountains 500 Comment
  SDSU6299  Atrichoseris platyphylla Darley Howe 1949-3-21 1944 Riverside 10 miles east of Mecca. 213 Comment
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Oct 13 2011
  SFV7922  Atrichoseris platyphylla T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1285 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  UC196585  Atrichoseris platyphylla Joseph Grinnell 1910-3-18 Riverside Riverside Mountains , Colorado River Comment
  UCR112093  Atrichoseris platyphylla A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23367 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  RSA650426  Atriplex C. J. Humphrey, Herbert Humphrey 1935-6-7 394 Riverside 18 miles east of Riverside. 549 Comment
  IRVC28917  Atriplex argentea subsp. expansa D. E. Bramlet 1990-7-20 2049 Riverside Perris Valley Storm Drain, 200 m E of the Escondido Freeway (Hwy I-125), and 350 m N of Ellis Ave 470 Comment
  CLARK-A1656-900  Atriplex canescens Lois Ann Scott 1977-11-18 Riverside Palm Springs Comment
  RSA545299  Atriplex canescens R. F. Thorne 1966-10-15 41790 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  JOTR34467  Atriplex canescens subsp. canescens La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3157 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring 914 Comment
  UC1136251  Atriplex hymenelytra H. S. Yates 1937-3-23 6449 Riverside 15 mi nne Mecca; Thermal Quad., nne of Mecca Comment
  UCR196352  Atriplex hymenelytra Naomi Fraga, Lisa Rojas 2005-2-10 1379 A Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  POM642  Atriplex lentiformis T. S. Brandegee 1901-4-3 s.n. Riverside Salton, Colorado Desert. Comment
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Sep 11 2011
  RSA778127  Atriplex polycarpa Thomas Stoughton, E. Gardner, D. Bell 2010-11-12 714 Riverside Coachella Valley Preserve. Site #3. Ca 0.25 mile E of road. 305 Comment
  UCR281879  Atriplex semibaccata Mitch Provance 2012-11-9 1112- 17 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  SEINET4136176  Atriplex serenana var. davidsonii Steve Boyd 1985-8-7 1116 Riverside Murrieta area, Clinto Kieth Rd., just east of the Bear Creek development golfcourse.; 0 Comment
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Feb 13 2019
  SD234361  Atriplex serenana var. serenana R. E. Jr. Riefner 2006-8-13 06 394 Riverside Perris-Aguanga Basin: SW of Perris along Hwy 74 at Good Hope, NE of Betty Rd. 470 Comment
  RSA737104  Atriplex suberecta Justin M. Wood 2008-10-29 207 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  SEINET10656976  Avena fatua Nye Leith, Greg Gust 2005-3-11 Nye 59 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  IRVC9315  Baccharis glutinosa Charles Leavell 1966-2-9 7 Riverside Santa Ana Canyon: off Highway 91, 200 yards east of the Riverside-Orange county line, on northeast slope. Santa Ana Mountains 213 Comment
  RSA376137  Baccharis pilularis R. F. Thorne 1985-7-18 61282 Riverside De Luz; Arroya near Murrieta-Guava St. roads, a few miles S of Murrieta 385 Comment
  RSA463260  Baccharis pilularis L. F. LaPre 1988-1-8 s.n. Riverside Mesa de Burro, Santa Rosa Plateau, W of Murrieta 610 Comment
  CAS-BOT-BC106750  Baccharis salicifolia Carl B. Wolf 1932-5-25 3672 Riverside No. base of San Jacinto Mts. Snow Creek Canyon, 1 mi. below fish hatchery. 396 Comment
  RSA25156  Baccharis salicifolia C. L. Hitchcock 1940-4-12 6408 Riverside 8 mi. northwest of Elsinore 457 Comment
  UCR121080  Baccharis salicifolia A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24975 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  SEINET10616772  Baccharis salicifolia David B. Dunn 1948-1-25 Dunn 3646 Riverside Found in ravine northeast of the top of the grade east of Riverside about 5 miles out. Comment
  CAS-BOT-BC106671  Baccharis salicina I. M. Johnston 1917-12-1 1811 Riverside Chino Creek south of Ontario 152 Comment
  JEPS21264  Baccharis salicina S. B. Parish 1912-10-10 8348 Riverside Dos Palmas 0 Comment
  IRVC510  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-6-1 SJ 160 Riverside Palms to Pines Hwy., slope draw. Santa Rosa Mountains 701 Comment
  UC166726  Baccharis sergiloides Geo. B. Grant May 1 1906-May 10 1906 96 Riverside Palm Springs Colorado Desert Comment
  UC893734  Baccharis sergiloides Carl B. Wolf 1932-10-13 4311 Riverside Cottonwood Springs Colorado Desert, Eagle Mts. 289 Comment
  CAS-BOT-BC295899  Bahiopsis parishii Annie M. Alexander; Louise Kellogg 1941-5-18 2196 Riverside Eagle Mountains 1021 Comment
  LA31363  Bahiopsis parishii Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 C- 178 Riverside Morongo Wash Comment
  UCR272437  Bahiopsis parishii Cheryl Sevilla, Sarah J. De Groot 2015-3-18 039 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, off the Pacific Crest Trail c. 2 air miles north-northwest from the Whitewater Preserve Ranger Station, on the hillside east of the Whitewater River drainage 822 Comment
  RSA719045  Baileya pauciradiata Michael Honer 2005-3-11 2055 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  NY43490  Bebbia juncea C. R. Annable 1995-3-11 2266 Riverside Rest stop on I-10 Comment
  SBBG60788  Bebbia juncea M. N. Ackley 1928-3-31 234 Riverside Hidden Spring Cyn 182 Comment
  UCR75072  Bebbia juncea A. C. Sanders, E. Lawlor 1992-4-4 12137 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  HSC82758  Bebbia juncea var. aspera Christopher Davidson 1979-4-4 7688 Riverside Orocopia Mtns., lower end of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca 213 Comment
  UCD129535  Bebbia juncea var. aspera Geoffrey Levin 1975-4-5 468 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. Saltan Sink Drainage. 60 Comment
  CLARK-A1528-1369  Beloperone californica John C. Roos 1949-4-11 4233 Riverside Chuckwalla Mountains Comment
  CAS-BOT-BC207044  Bernardia incana C. F. Saunders 1914-5-1 s.n. Riverside San Jacinto Mts. Comment
  JOTR33719  Bernardia incana La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2566 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 2 mi northeast of Cottonwood Visitor Center 984 Comment
  RSA549248  Bidens laevis A. C. Sanders 1991-10-5 11739 Riverside Riverside, Fairmount Park. Along Spring Brook between Lake Evans and the Santa Ana River, ca. 50-100 m below the lake. Comment
  CLARK-A1528-1654  Bidens pilosa John C. Roos 1965-8-18 Riverside Corona Comment
  UCR213464  Bloomeria crocea A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38362 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  CAS-BOT-BC16256  Boechera glaucovalvula Philip Alexander Munz 1949-4-11 13019 Riverside Mohave Desert. North base of Eagle Mountains. Near Conejo Well. 914 Comment
  CLARK-A1528-5699  Boerhavia coccinea John C. Roos 1945-5-15 3858 Riverside Eagle Mountains Comment
  CLARK-A1656-805  Boerhavia coccinea Theo Glenn 1982-10-7 Riverside Snow Creek 396 Comment
  JOTR30069  Boerhavia intermedia La Doux, Tasha, Bill Truesdell 2006-10-3 1712 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA608164  Boerhavia triquetra Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10051 B Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  RSA0020042  Boerhavia triquetra var. intermedia Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6014 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  CAS-BOT-BC75497  Bolboschoenus maritimus subsp. paludosus Scott D. White; Steve Ogg 1994-10-17 2501 Riverside Temecula Valley. City of Temecula, Murrieta Creek channel at confluence with Sta. Gertrudis Creek. 320 Comment
  SDSU13640  Bolboschoenus maritimus subsp. paludosus W. Miller 1972-8-24 Riverside Comment
  UCD170384  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2012-11-3 1112- 05 Riverside San Timoteo Canyon: West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  RSA613138  Bothriochloa barbinodis D. L. Banks 1997-3-6 1408 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
  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
  LA11367  Bouteloua aristidoides var. aristidoides Marcus E. Jones; 1929-9-16 24721 Riverside Hayfields, near Desert Center Comment
  UCR33706  Bouteloua barbata Sears 1977-10-10 S 522 Riverside Sonoran (Colorado) Desert, 6.1 mi NE of Desert Center on Hwy 177 Comment
  RSA0027475  Bouteloua barbata var. barbata Deidre Conocchioli, Sarah J. De Groot 2013-9-18 49 Riverside Valley north of Chocolate Mountain range. From Desert Center: Take I -10 West for 9.2 miles. Take exit marked Red Cloud Road. Turn left to cross under the interstate, continue over metal grate onto an unmarked, unpaved power line road for 0.2 miles., Continue over metal grate onto an unmarked, unpaved power line road for 0.2 miles. The collecting site is along the portion of the road that runs nearly parallel with an old raised railroad for a short distance before diverging. Collecting done on both sides of road. 442 Comment
  RSA0028730  Bouteloua barbata var. barbata Stephanie Rockwood, Christi Gabriel 2011-10-13 114 Riverside West side of the West Riverside Mountains. Highway 62 to Rice Valley Road. Rice Valley. 256 Comment
  UCR151383  Brachypodium distachyon Scott D. White, T. B. Salvato 2001-6-8 8584 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley 579 Comment
  HSC7004  Brandegea bigelovii L. S. Rose 1967-12-21 67187 Riverside 2 mi. S of Palm Desert 61 Comment
  RSA356889  Brandegea bigelovii R. F. Thorne 1966-10-15 41791 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA394244  Brandegea bigelovii M. B. Dunkle 1935-4-17 4564 Riverside W. of Wiley Well. Colorado Desert. Comment
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Dec 14 2011
  UCR70766  Brassica juncea N. C. Cooper 1944-6-17 1387 Riverside San Jacinto Mtns., west side of San Jacinto Mtns. [Banning to Idyllwild road] 1372 Comment
  RSA0106891  Brassica nigra Daphne K. Christopher, Hannah Stevens 2003-4-4 95 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  UCR172276  Brassica nigra John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Benton Road 409 Comment
  RSA0045290  Brassica nigra Margaret Murphy 1983-5-21 0037 -D Riverside Dry river wash located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  CAS-BOT-BC36848  Brassica tournefortii Winfield 1975-4-27 2373 Riverside Snow Creek Road. 3 miles from Highway 111. Comment
  OBI75957  Brassica tournefortii James M. Andre 2011-2-2 16204 Riverside Coachella Valley; W of Palm Springs along Hwy 111 (S side) at base of San Jacinto Mts at Windy Point, approx 5.5 mi from jctn with I-10 258 Comment
  RSA653550  Brassica tournefortii Scott D. White 1999-5-24 7406 (unic.) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  RSA674570  Brassica tournefortii Scott D. White 2000-5-3 7765 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  RSA711994  Brassica tournefortii A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25832 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  RSA778626  Brassica tournefortii Duncan S. Bell 2009-3-8 67 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
  SDSU2623  Brassica tournefortii D. F. Howe 1949-3-21 Riverside 12 mi. west of Blythe. 122 Comment
  UCR89546  Brassica tournefortii George K. Helmkamp 1994-3-8 41 5 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  RSA342556  Brickellia arguta R. F. Thorne 1980-5-28 54208 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  JEPS23548  Brickellia atractyloides var. arguta Peter H. Raven 1958-5-18 12994 Riverside Along State Highway 74, 4.9 mi NE of Pinon Flats, San Jacinto Mountains. Comment
  CLARK-A1528-174  Brickellia californica John C. Roos 1951-10-19 5324 Riverside Badlands 609 Comment
  RSA16813  Brickellia desertorum C. B. Wolf 1931-10-14 3900 Riverside Snow Creek 1/2 mi. below the Fish Hatchery N base of San Jacinto Mountains. 549 Comment
  RSA48847  Brickellia desertorum J. C. Roos 1949-9-21 4665 Riverside E slope of rocky ridge in pass between Reche Canyon & Pigeon Pass 457 Comment
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Dec 5 2014
  RSA592445  Brickellia desertorum L. C. Wheeler 1966-10-15 8986 Riverside San Jacinto Mountains. Carrizo Creek, off Dead Indian Canyon. 854 Comment
  UCR145971  Brickellia desertorum June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  CAS-BOT-BC100515  Brickellia incana J. C. Roos 1965-6-23 s.n. Riverside Colorado Desert. Lost Palms Wash, north of Chiriaco Summit near the Eagle Mtns. Comment
  POM99021  Brickellia incana E. C. Jaeger 1926-4-24 s.n. Riverside Eagle Mts. eastern Riverside Co. 976 Comment
  SEINET238913 Image available Bromus arizonicus A. C. Sanders 1998-3-17 21748 Riverside Riverside: open fields at NE edge of UCR campus E and A & I dorms and S of Watkins Dr. (Riverside East 7.5' Q.) 335 Comment
  UCD34817  Bromus arizonicus Beecher Crampton 1963-5-7 6778 Riverside Riverside County, Riverside, jct. of Pennsylvania and Iowa aves.. Comment
  RSA78185  Bromus berteroanus J. C. Roos, L. Roos 1953-3-21 5909 Riverside Mouth of Andreas Canyon, south of Palm Spriings. 274 Comment
  UC69343  Bromus catharticus H. M. Hall July 1899 1365 Riverside Riverside Comment
  CLARK-A1528-41  Bromus diandrus C. M. Flanagan 1973-5-12 OO 410 Riverside Morongo Indian Reservation 1158 Comment
  UCR101435  Bromus diandrus A. C. Sanders 1997-3-19 20049 Riverside Lake Skinner area, lower S slopes of Bachelor Mtn., near old quarries 473 Comment
  UCR108871  Bromus diandrus Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA385313  Bromus grandis N. C. Cooper 1944-7-15 1602 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  UCD58491  Bromus hordeaceus subsp. divaricatus E. W. Lathrop 1960-6-7 4850 Riverside 14 miles west of Murrieta. Comment
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Apr 28 2011
  RSA771660  Bromus rubens Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4908 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
  UCR2249  Bromus rubens H. S. Fawcett 1913-12-24 1109 Riverside West Riverside, along main road, Santa Ana River flats 244 Comment
  UCR23968  Bromus trinii John C. Roos 1942-5-2 1120 Riverside Little San Bernardino Mountains, Live Oak Tank 1280 Comment
  RSA452173  Bursera microphylla Marjorie D. Clary 1939-03 2963 Riverside Martinez Canyon, Colorado Desert, Coachella Valley., [Label states: Martinez Canyon, Colorado Desert, Coachella Valley, Imperial County. Note: Martinez Cyn. is in Riverside Co., east slope Santa Rosa Mtns., ca. 33.5 deg. N, 116 deg. 10 W. -S.D. White Oct 2006] Comment
  RSA779926  Caesalpinia virgata Jim Andre 2011-2-9 15908 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  UC373093  Caesalpinia virgata Marcus E. Jones, A. M. 1906-4-27 Riverside Indio Comment
  UC499722  Caesalpinia virgata Roxana S. Ferris and R. Bacigalupi 1932-4-30 8243 Riverside in canyon between Shaver's Well and Mecca Comment
  UC68595  Calandrinia ambigua H. M. Hall Apr. 1905 5947 Riverside McCoy Wash Colorado Desert 91 Comment
  UC724191  Calandrinia ambigua Aven and Ruth Nelson 1939-3-29 3326 Riverside near Palm Grove (at Hidden Springs at the Mecca road) Comment
  RSA612843  Calandrinia ciliata D. L. Banks 1997-3-1 1373 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
  SEINET7048049  Calandrinia ciliata Steven R. Hill 2001-4-29 33523 Riverside South side of Route I-10 right-of-way, 0.2 mile west of Desert Lawn Road exit, Calimesa. Near Roberts Road in pasture. Elevation about 2314 feet. Comment
  UCR84983  Calandrinia ciliata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16223 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UCR266591  Callitriche marginata Mitch Provance, Robin Kinmont 2015-3-27 315- 52 Riverside Perris-Aguanga Basin Region, French Valley, Leon Rd. (unmarked dirt portion), along SCE transmission route between Benton Rd. and Auld Rd. 411 Comment
  POM19841  Calocedrus decurrens Mary F. Spencer 1923-8-17 2247 Riverside Fern Valley, Idyllwild. San Jacinto Mt. 1646 Comment
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Nov 19 2011
  RSA482011  Calocedrus decurrens Richard Noyes, Laurel Arnseth 1988-9-10 722 Riverside Fern Basin Camp, 4 air miles northwest of Idyllwild 1875 Comment
  UC215292  Calocedrus decurrens Geo. B. Grant 1901-1-1 691 Riverside San Jacinto Mts. Pacific Coast, San Jacinto Mts. 914 Comment
  UCR100822  Calochortus albus G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  CAS-BOT-BC483503  Calochortus splendens E. W. Lathrop 1965-5-18 5759 Riverside 8 miles west of Murrieta 609 Comment
  UCR80520  Calycoseris parryi D. E. Bramlet 1991-5-9 2134 Riverside N Domenigoni Hills, c. 0.5 mi SE of the end of Warren Rd., on large, prominent peak adjacent to old quarry, east of access road 659 Comment
  VVC2465  Calycoseris wrightii Tim Thomas 2013-3-18 5935 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  SEINET7379730 Image available Calycoseris wrightii H. K. Sharsmith 1952-4-11 4064 Riverside Northwest base of Chuckawalla Mountains 7 miles south of highway 60-70 1750 Comment
  JEPS49003  Calyptridium monandrum Marjorie D. Clary 1932-4-29 895 Riverside Santa Rosa Mountains, Dead Indian Trail Dead Indian Trail; Santa Rosa Mountains, Dead Indian Trail Comment
  SJSU1865  Calyptridium monandrum J. W. Tilden 1957-4-18 1095 Riverside near Whitewater, E of San Gorgonio Pass Comment
  RSA466602  Calyptridium parryi var. parryi E. C. Jaeger 1921-6-15 s.n. Riverside Strawberry Valley. 1585 Comment
  UCR133650  Calystegia macrostegia Michael D. Wilcox 2003-5-13 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  CLARK-A1528-2608  Calystegia sepium John C. Roos, Lucille Roos 1952-6-10 5763 Riverside Riverside 259 Comment
  UCR273979  Calystegia sepium subsp. binghamiae Mitch Provance 2013-5-29 513- 13 Riverside Santa Ana River Valley, Riverside, Fairmount Park, W side of Lake Evans, W side of Dexter Drive, just SW of the American Legion. 241 Comment
  UCR132614  Camissonia Kent Beaman 1983-4-24 31 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  POM66476  Camissonia arenaria Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sink near Oasis. Comment
Read comments
Mar 27 2010
  RSA68312  Camissonia bistorta G. R. Campbell 1951-5-30 16119 Riverside 9 miles west of Anza. 1067 Comment
  UCR91505  Camissonia bistorta Scott D. White 1995-4-5 2727 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA692203  Camissonia boothii subsp. condensata Scott D. White, Michael Honer 2003-5-14 9286 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA795944  Camissonia boothii subsp. condensata Duncan S. Bell 2009-4-19 276 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  RSA548744  Camissonia brevipes subsp. brevipes W. L. Halvorson 1977-2-5 77 -7 Riverside Joshua Tree National Monument. Desert bajada near the junction of Interstate 10 and road to the Monument. Comment
  RSA466183  Camissonia californica Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains. 457 Comment
  UCR96880  Camissonia californica Scott D. White 1993-3-12 1183 Riverside Near Winchester 466 Comment
  POM37752  Camissonia campestris subsp. campestris Marcus E. Jones 1882-4-24 3168 Riverside San Jacinto Comment
  RSA454743  Camissonia cardiophylla Robert Gustafson 1981-4-7 2159 Riverside Western end of Salt Creek Wash, along the southern margin of the Orocopia Mts. 61 Comment
  POM126823  Camissonia cardiophylla subsp. cardiophylla E. E. Schellenger 5 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  UCR75047  Camissonia chamaenerioides A. C. Sanders, E. J. Lawlor 1992-4-4 12100 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CSUSB196  Camissonia claviformis Sally Bell 1964-3-12 Riverside Cathedral City, about 500 feet west of Blue Skies Trailor Court off highway 111, in sandy soil. 96 Comment
  RSA784974  Camissonia claviformis Duncan S. Bell 2012-3-18 3216 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
  UCR148463  Camissonia claviformis 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
  POM14454  Camissonia claviformis subsp. aurantiaca Alice Eastwood 1913-4-30 2983 Riverside Palm Springs. Comment
  RSA448925  Camissonia claviformis subsp. aurantiaca I. W. Clokey, Bonnie C. Templeton 1930-4-9 4725 Riverside North of Palm Springs, Colorado desert. 170 Comment
  RSA449186  Camissonia claviformis subsp. aurantiaca N. C. Cooper 1949-4-8 3313 Riverside Desert Center. 610 Comment
  RSA72237  Camissonia claviformis subsp. aurantiaca F. W. Peirson 1920-2-16 2707 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  RSA72245  Camissonia claviformis subsp. aurantiaca F. W. Peirson 1914-04 785 Riverside Whitewater at head of Coachella Valley. Comment
  UCR226856  Camissonia claviformis subsp. aurantiaca Jim Andre 2011-2-9 15932 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
  RSA175093  Camissonia claviformis subsp. yumae Robert F. Thorne 1963-3-29 32394 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  UCR239879  Camissonia hirtella O. F. Clarke 2004-3-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 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
  RSA561059  Camissonia ignota Steve Boyd, T. S. Ross, Dave Bramlet 1993-5-12 7354 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 366 Comment
  RSA186708  Camissonia intermedia Peter H. Raven 1962-4-22 17382 Riverside Along State Highway 71, 3.3 miles west of Dripping Springs Campground 457 Comment
  CLARK-A1528-661  Camissonia micrantha C. M. Flanagan 1973-5-20 OO 525 Riverside Morongo Indian Reservation 1158 Comment
  CSUSB865  Camissonia micrantha Pat Halligan 1968-4-18 Riverside Wash between Lothian Hall and the physics building on UCR campus. Comment
  POM229709  Camissonia pallida subsp. pallida P. A. Munz 1957-3-15 14938 Riverside Whitewater Creek, 3 mi. north of highway to Banning [Hwy 10]. Comment
  RSA314654  Camissonia pallida subsp. pallida Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55412 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  UCR20390  Camissonia refracta John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  HSC86987  Camissonia strigulosa David Charlton 1988-5-21 1966 Riverside Thomas Mtn. Rd., W of Garner Valley and S of Lake Hemet on Hwy. 74 1677 Comment
  POM38020  Camissonia strigulosa Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 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
  RSA674567  Camissonia strigulosa Scott D. White 2000-5-3 7768 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  UCR120168  Camissonia strigulosa Mitch Provance 1998-3-5 187 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR133368  Camissonia strigulosa Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 292 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCR154761  Camissonia strigulosa T. B. Salvato, Kent Beaman 2005-5-16 780 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR180354  Camissonia strigulosa Scott D. White, Angelia Carey 2004-4-5 10012 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR256898  Camissonia strigulosa LeRoy Gross, Caitlin Elam 2013-5-14 6044 Riverside Peninsular Range; San Jacinto Mountains, Garner Ranch, east of Lake Hemet and Hwy 74, west of the ranch buildings, north of the road to the buildings, and south of the old landing strip 1332 Comment
  UC1602314  Camissonia strigulosa Alderson 463 Riverside Comment
  OBI29872  Camissoniopsis ignota Melissa Luckow, Rhonda Riggins 1982-4-15 829 Riverside Hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  SEINET1869530  Campanulaceae H. M. Hall 1905-1 5819 Riverside Eastern base of Indio Mt., Colorado Desert. 150 Comment
  UCR109466  Cardamine parviflora A. C. Sanders 1995-2-6 15915 Riverside City of Riverside, UCR campus 367 Comment
  UCR125999  Cardaria draba Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  UCR201506  Carex athrostachya Scott D. White, Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  UCR59807  Carex barbarae Jeri Hirshberg 1989-7-26 s.n. Riverside Peninsular Range, vicinity of Vail Lake; spring in Butterfield Country Comment
  UCR68861  Carex barbarae Steve Boyd, T. S. Ross 1990-5-11 4663 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  CAS-BOT-BC20710  Carex fracta D. E. Breedlove 1961-7-29 871 Riverside San Jacinto Mountains. Fuller Mill Creek where it crosses Riverside Highway #1. 1645 Comment
  POM122858  Carex fracta Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
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Sep 3 2011
  RSA754127  Carex fracta W. Schlegel, Andrew Troutte 2008-8-8 5 Riverside Idyllwild: Dry creek bed. Comment
  UCR178850  Carex praegracilis T. B. Salvato, Tracy Tennant 1998-1 MOR- 804 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, near sag pond at Burro Flats, tree stand P-11 1098 Comment
  RSA335016  Carex schottii Steve Boyd 1985-7-23 1024 Riverside Deluz Road, 8.5 miles west of Rancho California, along Sandia Creek. 274 Comment
  RSA0111976  Castela emoryi Duncan S. Bell, Amanda Bell 2012-1-28 3062 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  RSA763986  Castela emoryi Justin M. Wood, D. M. Ray 2010-10-21 2991 Riverside Chuckwalla Valley NW of Victory pass on E side of Kaiser road ~1 mile N of Desert Center Landfill at proposed Eagle Mountain Solar Site. 205 Comment
  RSA450156  Castilleja affinis J. C. Roos 1966-4-5 s.n. Riverside Winchester Comment
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Mar 20 2011
  JEPS8583  Castilleja affinis subsp. affinis Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-3-30 3550 Riverside 2.6 mi n Murrieta (along Calif Hwy 71, between Wildomar and Murrieta) 396 Comment
  POM12854  Castilleja applegatei subsp. martinii Philip A. Munz 1922-6-26 5834 Riverside Road to Santa Rosa. 1738 Comment
  POM307280  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2139 Riverside Santa Rosa Mountains. Comment
  UCR49780  Castilleja densiflora B. G. Pitzer 1987-4-11 477 Riverside Santa Ana Mtns., Santa Rosa Plateau area, on Clinton Keith Road, c. 4.3 mi east of Palomar Street and 0.5 mi. east of the Nature Conservancy Preserve entrance 564 Comment
  RSA0080320  Castilleja exserta subsp. exserta Sarah J. De Groot, Cheryl Sevilla 2015-2-18 7360 Riverside North fork Mission Creek, southeast San Bernardino Mountains, northwest of Desert Hot Springs. 780 Comment
  UCSB12636  Castilleja exserta subsp. exserta Whittington, M. 1962-3-17 Riverside southwest of U.S. Highway 71; By Alberhill brickyard; in Alberhill 91 Comment
  POM4325  Castilleja foliolosa Jenkins, Street 1917-5-30 s.n. Riverside Idylwild Canyon. Comment
  RSA400583  Castilleja foliolosa Robert Gustafson 1980-5-5 1560 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  RSA68334  Castilleja foliolosa G. R. Campbell 1951-5-30 16153 Riverside Pine Meadow Ranch, SE of Kenworthy 1433 Comment
  UCR102934  Castilleja foliolosa George K. Helmkamp 1998-4-3 3089 Riverside Coachella Valley, Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging staion along the creek 747 Comment
  UCR104890  Castilleja foliolosa A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20664 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  SEINET3194789 Image available Casuarina equisetifolia G. Rink 2011-10-11 11080 Riverside Next to agricultural fields east of the McCoy Mountains, northwest of Blythe, used as a windbreak for lemon grove. 160 Comment
  RSA0119990  Caulanthus hallii Duncan S. Bell, Thomas Stoughton 2016-4-13 9262 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  OBI29869  Caulanthus heterophyllus Melissa Luckow, Rhonda Riggins 1982-4-15 832 Riverside Hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  RSA516427  Caulanthus heterophyllus W. Wisura, Bart O Brien, T. Hayduk 1990-5-2 4434 Riverside Ortega Hwy. lower switchbacks above Lake Elsinore, in burned area. Comment
  RSA523519  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3978 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA561811  Caulanthus heterophyllus Steve Boyd 1992-4-14 6833 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  UCR12555  Caulanthus heterophyllus Wayne Miller 1972-4-14 720414 5 Riverside Reche Canyon, 5 mi from BartonRd. turnoff on Reche Canyon Road. 610 Comment
  UCR127574  Caulanthus heterophyllus D. E. Bramlet 2003-4-18 3372 Riverside Base of San Jacinto Mtns., 2,348m south of Cabazon, 2,012m northwest of Cabazon Peak, and 183m northwest of the Colorado River Aqueduct 548 Comment
  UCR59771  Caulanthus lasiophyllus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3044 Riverside Peninsular Range, Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain 622 Comment
  RSA16507  Ceanothus crassifolius Percy C. Everett 1935-6-17 7151 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  RSA489179  Ceanothus crassifolius Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  RSA645609  Ceanothus greggii Scott D. White, Steve Ogg 1994-4-21 1973 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  SEINET3076063 Image available Ceanothus greggii J. Easton 1987-4-23 Riverside E of Anza along Hwy 371, Hamilton Creek Canyon. 1250 Comment
  UC1070667  Ceanothus greggii R. St. John 1929-11-1 19 Riverside Milliard Canyon San Jacinto quad. 914 Comment
  UC1922183  Ceanothus greggii var. perplexans Naomi Fraga, Tim Thibault 2006-5-16 1669 Riverside Peninsular Ranges; San Jacinto Mountains region; ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  POM48313  Ceanothus leucodermis E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  RSA701751  Ceanothus leucodermis Steve Boyd, Valerie Soza 2004-6-22 11553 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UC718442  Ceanothus oliganthus var. oliganthus P. C. Everett 1935-6-18 7202 Riverside 1.7 mi n Los Pinos Potrero (Main Divide Motorway.); Santa Ana Mts. Comment
  CAS-BOT-BC51647  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-28 7918 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 883 Comment
  UCR81115  Ceanothus spinosus Steve Boyd, Orlando Mistretta 1992-4-22 7009 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  UCR138817  Ceanothus tomentosus subsp. olivaceus D. L. Banks 1997-2-17 1284 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  RSA74576  Centaurea repens J. C. Roos 1947-7-5 2908 Riverside Junction of San Timoteo and Live Oak Creeks. 457 Comment
  UCR178314  Centaurea solstitialis T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 635 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  RSA0055011  Centaurium exaltatum James R. Shevock 1971-9-18 1310 Riverside Vail Lake. 457 Comment
  UCR143363  Centaurium venustum N. C. Cooper 1944-6-4 1357 Riverside Peninsular Ranges; Santa Ana Mountains, San Juan Canyon, Upper San Juan Campground el. '2500 ft. 534 Comment
  UCR167838  Centaurium venustum T. B. Salvato, Melissa Clemons 2005-6-2 1357 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  RSA714020  Centromadia pungens subsp. laevis R. E. Riefner 2004-8-27 04 -397 Riverside N of La Sierra Heights; NE ca. 1 mi off Arlington Ave. along dirt access road to Hidden Valley Wildlife Reserve. 207 Comment
  UC1584124  Centromadia pungens subsp. laevis D. Bramlet 1990-7-26 2062 Riverside just e Diaz Rd. (and within the Murrietta Creek Channel, at the Rancho California St. bridge in Temecula); Murietta Creek 330 Comment
  UCR261195  Centromadia pungens subsp. laevis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41715 Riverside Esinore, SE quarter of large vacant lot between Hwy 74 and Enterprise Way, a short distance NE of the drain from Lk. Elsinore to Temescal Canyon, S of the end of Enterprise and W of the end of Pasadena St. 387 Comment
  UCR266416  Centromadia pungens subsp. laevis D. E. Bramlet 2005-6-28 3882 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  RSA800232  Centromadia pungens subsp. pungens Justin M. Wood 2010-6-17 2045 Riverside Perris Basin: March ARB, roadside ditch south of Cactus Ave. and west of Heacock St. 473 Comment
  SEINET6413741  Centromadia pungens subsp. pungens R. Spellenberg 2014-5-5 14772 Riverside CA Highway 79 N of Hemet, ca 0.5 km so f Ramona Expressway. 445 Comment
  UCR127529  Cerastium glomeratum A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16035 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  RSA645671  Cercidium floridum Scott D. White 1999-4-20 7271 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  VVC203  Cercidium floridum Scott D. White 1995-5-11 3029 Riverside Southeast Mojave Desert, Cadiz Valley, S of Iron Mtns.; Hwy 62 +-3 road mi E of jct w/ SH 177 400 Comment
  CAS-BOT-BC135497  Cercocarpus betuloides var. betuloides Banning School 1927-4-1 s.n. Riverside Banning, from flower show. Comment
  UCR65288  Cercocarpus minutiflorus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3882 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  JOTR31919  Chaenactis carphoclinia var. carphoclinia Harding, Mitzi, T. Herskovits 2011-4-10 s.n. Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; where foothills border Hwy 177 278 Comment
  POM351665  Chaenactis carphoclinia var. carphoclinia M. B. Dunkle 1935-4-17 4558 Riverside W. of Wiley Well. Colorado Desert. Comment
  RSA510023  Chaenactis carphoclinia var. carphoclinia B. Pitzer 1988-3-10 645 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  UC1424854  Chaenactis carphoclinia var. carphoclinia C. W. Tilforth, J. Dourley, W. Wisura 1977-5-19 1326 Riverside ca. 2 mi s of, and Hiway 62 along Blythe-Rice Rd. Rice 266 Comment
  UC1550218  Chaenactis carphoclinia var. carphoclinia David Charlton 1988-2-25 1227 Riverside Dillon Road and 1000 Palms Oasis Rd Jct. Little San Bernardino Mtns. (s of Joshua Tree National Monument) 609 Comment
  CAS-BOT-BC276905  Chaenactis fremontii Munz; Street; Williams 1919-3-28 2464 Riverside Ssan Gorgonio Pass, near Cabazon Comment
  CAS-BOT-BC276917  Chaenactis fremontii Geo. B. Grant 1906-4-20 6708 Riverside Palm Springs Comment
  CLARK-A1528-1696  Chaenactis fremontii John C. Roos 1937-4-18 2461 Riverside Comment
  RSA708416  Chaenactis fremontii Scott D. White 2005-3-29 10837 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  RSA771677  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4991 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66012 750 Comment
  UCR102765  Chaenactis fremontii B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3593 .3 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
  UCR89562  Chaenactis fremontii George K. Helmkamp 1994-3-10 42- 13 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
  UCR142199  Chaenactis glabriuscula June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  UCR213851  Chaenactis glabriuscula Scott D. White, Justin M. Wood 2009-5-21 12864 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  UCSB9501  Chaenactis glabriuscula Newby, Ron 1959-5-16 Riverside 12 miles S. on highway to Idyllwild from Banning along roadside; in the San Jacinto Mts. Comment
  SEINET5763241 Image available Chaenactis glabriuscula var. lanosa Norman C. Cooper 1944-4-21 1109 Riverside Banning. Comment
  UCR97750  Chaenactis stevioides Michael D. Wilcox, Stephen J. Myers 1995-5-27 s.n. Riverside NE Colorado Desert, Cadiz Valley near the San Bernardino Co. line 270 Comment
  JEPS51892  Chamaesyce albomarginata Samuel B. Parish 1891-11-6 Riverside San Jacinto Valley, San Jacinto Plains Comment
  RSA435983  Chamaesyce albomarginata Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  RSA727388  Chamaesyce micromera Naomi Fraga, Lisa Rojas 2005-2-10 1377 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SEINET4358093 Image available Chamaesyce micromera Duncan S. Bell 2011-10-22 3000 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.; 0 437 Comment
  RSA0107850  Chamaesyce polycarpa Duncan S. Bell, Amanda Turek 2009-3-30 166 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  RSA779800  Chamaesyce polycarpa Duncan S. Bell 2009-3-8 98 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  UC56927  Chamaesyce polycarpa H. M. Hall May 17 1901-Jun 1 1901 Riverside Palm Canyon 457 Comment
  UC665745  Chamaesyce polycarpa I. L. Wiggins 1941-3-26 9665 Riverside Wiley Well Comment
  RSA627497  Chamaesyce prostrata L. C. Wheeler 1965-6-27 8691 Riverside Corona: Overboltzer's Grove. Comment
  RSA524228  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4022 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA660498  Cheilanthes clevelandii A. C. Sanders, Mitch Provance 2000-1-23 23312 Riverside Lake Skinner area: summit of Black Mtn. 915 Comment
  CAS-BOT-BC70030  Cheilanthes covillei Nancy Ryan Zabriskie; Walter Zabriskie 1971-3-7 355 Riverside Andreas Canyon, E. slope San Jacinto Mts. 15 Comment
  SEINET903950  Cheilanthes covillei Norman C. Cooper 1944-1 1193 Riverside Banning. 701 Comment
  RSA586044  Cheilanthes newberryi Darin L. Banks, Steve Boyd 1995-3-16 97 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 536 Comment
  RSA596148  Cheilanthes newberryi Darin L. Banks 1996-11-7 1196 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, at the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 494 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
  UCR214309  Cheilanthes newberryi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38402 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  CAS-BOT-BC68053  Cheilanthes parryi S. B. Parish 1918-3-27 19191 Riverside Colorado Desert - Palm Springs, Tahquitz Canyon Comment
  CAS-BOT-BC70338  Cheilanthes parryi Barbara Shervanick 1973-2-18 652 Riverside Palm Springs, end of Raquet Club Road, about 1/2 mile from Aerial Tramway, San Jacinto Mts., Salton Sea, Colorado Desert 365 Comment
  POM12431  Cheilanthes parryi E. C. Jaeger 1921-3-28 s.n. Riverside Colorado Desert: Box Canyon, north of Mecca Comment
  UC1400744  Cheilanthes parryi Alan R. Smith 1973-3-24 576 Riverside ca. 5 mi n of Interstate 10 from Chiriaco Summit Palm Canyon; Joshua Tree Nat'l Monument Comment
  UC337871  Cheilanthes viscida J. G. Lemmon and wife May 1888 Riverside San Gorgonio Pass; San Jacinto Mts Comment
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Mar 3 2008
  RSA654971  Chenopodium album A. C. Sanders 2000-10-16 23722 Riverside railroad right of way between Watkins Dr. and Campus View Dr., near site of Lemona siding 335 Comment
  RSA709239  Chenopodium album var. album A. C. Sanders, Mitch Provance, T. B. Salvato, B. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden. 351 Comment
  UCR167823  Chenopodium berlandieri T. B. Salvato, Melissa Clemons 2005-6-23 1308 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UC1931134  Chenopodium californicum Scott D. White, Justin Wood 2008-6-17 12170 Riverside San Jacinto Mountains: Garner Valley-Kenworthy Station (USFS). (Butterfly Peak) Comment
  SD234928  Chenopodium desiccatum Mitch Provance 2003-6-7 7611 Riverside San Bernardino Valley: Jurupa Mountains (extreme northwest end), near Philadelphia Street. 262 Comment
  UCR114326  Chenopodium missouriense Mitch Provance 2000-9-18 2265 Riverside Riverside, Prenda area, south side of Hermosa St., c. 0.25 mile west of the intersection with Washington St. 610 Comment
  POM508526  Chenopodium murale Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road 365 Comment
  RSA653426  Chenopodium pumilio Scott D. White 1999-5-24 7393 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge 460 Comment
  CAS-BOT-BC231787  Chilopsis linearis H. E. McMinn 1925-7-1 1479 Riverside Palm Canon [Canyon] Comment
  RSA764302  Chilopsis linearis Doris Bowers 1966-10-16 792 a Riverside Salton Sea - Painted Canyon 0 Comment
  SD48393  Chilopsis linearis E. K. Balls, P. C. Everett 1957-8-20 22665 Riverside Morongo Canyon, 9.25 miles north along road to 29 Palms for junction with US Highway 60/70/99 669 Comment
  OBI38269  Chilopsis linearis subsp. arcuata David J. Keil 1985-8-30 18950 Riverside Along road through Joshua Tree NAtl Monument, 5 mi N of I-10 Comment
  UC284804  Chilopsis linearis subsp. arcuata P. A. Munz and R. D. Harwood 1923-6-29 7304 Riverside Aguanga Comment
  UCD121650  Chilopsis linearis subsp. arcuata K. Esau 1935-6-20 s.n. Riverside Road to Beaumont. Comment
  UCD121659  Chilopsis linearis subsp. arcuata Marian L. Vincent; Richard H. Swade 1963-10-19 452 Riverside Snow Creek Road, 2 miles from its intersection with California State Hwy. 111. 365 Comment
  RSA369229  Chlorogalum parviflorum Anstruther Davidson 1910-3-1 2468 Riverside Near Riverside. Comment
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Apr 23 2011
  CAS-BOT-BC191702  Chorizanthe brevicornu var. brevicornu Milo S. Baker 1928-4-4 2841 C Riverside Tahquitz Canon [canyon] near Palm Sps. Comment
  POM128750  Chorizanthe corrugata F. W. Peirson 1927-4-12 7175 Riverside Painted Canyon. Comment
  RSA392657  Chorizanthe corrugata N. C. Cooper 1949-4-8 3235 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  RSA500530  Chorizanthe fimbriata var. fimbriata Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3620 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  RSA500539  Chorizanthe leptotheca Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3613 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  POM97111  Chorizanthe leptotheca P. A. Munz 1925-5-20 9843 Riverside Aguanga Valley. Comment
  UCR104614  Chorizanthe parryi var. parryi D. E. Bramlet 1993-5-25 2359 Riverside Santa Ana Mtns, Elsinore Mtns., c. 730 m SW of Grand Ave. and 305 m SW of Akley Street. 1.7 km NE of Forest Service Road 6S07 Comment
  UCR153370  Chorizanthe parryi var. parryi LeRoy Gross, Valerie Soza 2003-5-8 834 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 762 Comment
  UCR266287  Chorizanthe parryi var. parryi D. E. Bramlet, Ileene Anderson 2005-4-18 3807 Riverside Hills west of Hemet-Ryan Airport, 650 m west of California Ave., 1300 m south of Hwy 74, 1100 m north of Stowe Rd. 539 Comment
  UCR78332  Chorizanthe polygonoides subsp. longispina D. E. Bramlet 1993-4-26 2334 Riverside Peninsular Range, Temecula, c. 4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  UCR159985  Chorizanthe polygonoides var. longispina S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  CLARK-A1528-3603  Chorizanthe procumbens John C. Roos 1937-5-2 1802 Riverside La Sierra Comment
  CAS-BOT-BC246241  Chorizanthe rigida Peter H. Raven 1958-1-23 11430 Riverside alluvial fan of Fargo Canyon Comment
  RSA392746  Chorizanthe rigida N. R. Zabriskie, Walter Zabriskie 1973-3-23 596 Riverside 30 yds. SW of Research Center Bldgs. Deep Canyon, N slope Santa Rosa Mountains. 305 Comment
  UC1018190  Chorizanthe rigida J. Warren 1952-4-6 Riverside Palm Springs 457 Comment
  UCR114146  Chorizanthe rigida B. G. Pitzer, J. Ross 1998-3-8 3618 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR30086  Chorizanthe rigida George K. Helmkamp 1983-4-5 483 43 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  SEINET10445993 Image available Chorizanthe xanti var. leucotheca Marc A. Baker, Danny Cuellar, Emily Mastrelli, Cecile Shohet and Stephan Myers 2015-1 18308 Riverside south side of the San Gorgonio River, 2km north of Banning, south base of the San Bernardino Mountains, 52km east of Riverside 788 Comment
  RSA736762  Chrysanthemum coronarium Scott D. White, Lynn Stafford 2007-7-5 11754 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  JEPS37732  Chrysolepis sempervirens Carl V. Meyer 1928-7-31 614 Riverside Tahquitz Peak; San Jacinto Mts. Comment
  CLARK-A1528-1731  Chrysothamnus paniculatus John C. Roos 1965-11-6 Riverside Whitewater 304 Comment
  POM14740  Chrysothamnus paniculatus F. W. Peirson 1922-12-26 3331 Riverside Cabazon, San Gorgonio Pass Comment
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Mar 13 2011
  POM45651  Chrysothamnus paniculatus J. B. Feudge 1923-11-12 467 Riverside White Water, Colorado Desert 366 Comment
  CHSC8536  Chylismia brevipes Edward Laidlaw Smith 1958-3-21 379 Riverside 6 mi. s. Rice, near Priest's Well. Little Santa Maria Mt. Range. Colorado River drainage area. 365 Comment
  UC1971364  Chylismia brevipes W. Wisura 1998-3-28 5114 Riverside 3.3 mi W of Corn Spring S of I-10. Comment
  JEPS23428  Chylismia brevipes subsp. brevipes W. L. Jepson 1928-4-25 12609 Riverside n Mecca; Cottonwood Spr. 731 Comment
  UCR276075  Cirsium occidentale T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3800 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
  JEPS30448  Cirsium occidentale var. californicum Donald Kyhos 1958-5-16 58 -186 Riverside 1 mi up road toward Mount Santa Rosa summit; San Jacinto Mts. Comment
  SEINET3146317  Cirsium occidentale var. californicum W. B. Crockatt sn Riverside Prado 91 Comment
  CAS-BOT-BC286461  Cirsium scariosum Cecil Hart 1922-5-21 26 Riverside San Jacinto Mt. Comment
  POM10027  Cistanthe monandra Charlotte M. Wilder 1904-5-14 37 Riverside Wilders Canyon, Jurupa Hills, Comment
  POM14082  Cistanthe monandra P. A. Munz, D. Keck 1922-4-14 4980 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  UCR166147  Clarkia dudleyana T. B. Salvato, John F. Green 2004-5-27 567 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
  UCR177939  Clarkia dudleyana Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 529 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR6156  Clarkia epilobioides Galen R. Hunsicker 1967-5-18 s.n. Riverside Base of Box Springs Mtns., University of California, Riverside campus, just above new Physical Sciences parking lot near SW corner. Comment
  UCD104878  Clarkia purpurea R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  UCR116665  Clarkia purpurea A. C. Sanders, Carolyn Washburn 2001-5-10 24233 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR201619  Clarkia purpurea Scott D. White, Justin M. Wood 2008-6-16 12143 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  CAS-BOT-BC167131  Clarkia purpurea subsp. quadrivulnera Steve Boyd 2010-5-28 12287 Riverside Santa Ana Mountains: Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak 1021 Comment
  JEPS1950 Image available Clarkia purpurea subsp. quadrivulnera H. M. Hall 1905-6-3 6241 Riverside vicinity Riverside (e base of mountain); Box Springs Mt.; Eastern base of Box Springs Mt., vicinity of Riverside 533 Comment
  RSA500545  Clarkia purpurea subsp. quadrivulnera Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3618 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  SDSU8709  Clarkia purpurea subsp. quadrivulnera H. Wedberg 1962-5-23 938 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UCR112823  Clarkia purpurea subsp. quadrivulnera A. C. Sanders 1997-5-1 20612 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  SD137709  Clarkia similis Darin L. Banks, Steve Boyd 1995-5-3 185 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
  CSUSB248  Clarkia unguiculata R. Thomasson 1973-6-1 Riverside On Banks Street, adjacent to Fairmount Park in city of Riverside. 289 Comment
  UCR174072  Claytonia parviflora A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32586 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  SDSU13483  Claytonia parviflora subsp. parviflora Shawn Johnston, Calf. Plant Taxonomy Class 2000-4-1 16 Riverside Santa Margarita Ecological Reserve North end. Comment
  RSA613462  Claytonia perfoliata D. L. Banks, Victor Steinmann 1997-3-13 1430 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
  SEINET3376701  Claytonia perfoliata Norman C. Cooper 1944-5-21 1301 Riverside San Jacinto Mtns. West Side. 914 Comment
  UCSB9460  Clematis lasiantha Lloyd, Robert 1959-4-17 Riverside 4 miles south of West Corona on the Oak Flats Fire Road; Santa Ana Mt. Range 381 Comment
  VVC426  Clematis lasiantha A. C. Sanders 1997-5-4 20675 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. N of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon. 1098 Comment
  LA207252  Clematis ligusticifolia L. Crutcher; 1933-8-19 20 Riverside San Jacinto Mountains, Stream back of Camp Tahquitz Comment
  UCR16946  Clematis ligusticifolia Helen Leach 1966-11-1 c661101- 2 Riverside Pedley Rd., City of Mira Loma Comment
  CAS-BOT-BC92825  Clematis pauciflora Raymond Lindholm 1961-3-11 s.n. Riverside White Water Canyon. Comment
  CLARK-A1528-1313  Clematis pauciflora Cameron Duncan 1966-3-27 Riverside Woodcrest 548 Comment
  POM292737  Cleome isomeris Lyman Benson 1954-4-2 15262 . Riverside 1 mile east of Cabazon. Drainage area: Colorado Desert. 457 Comment
  RSA374496  Cleome isomeris A. C. Sanders 1985-3-1 5391 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. City of Riverside. 427 Comment
  CLARK-A1528-5637  Coldenia canescens John C. Roos 1948-5-15 3859 Riverside Eagle Mountains Comment
  SD102264  Collinsia concolor T. Reeves 1978-5-13 6899 Riverside San Jacinto Mts. Foothills SE of Banning, arroyo, Acess via Westward Ave. 671 Comment
  UC1537416  Collinsia concolor Gordon H. True Jr. 1935-3-11 64 Riverside Sycamore Canyon; Box Springs 365 Comment
  RSA0030789  Collinsia concolor N. C. Cooper 1944-5-20 1290 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  RSA0117400  Collinsia concolor N. C. Cooper 1945-5-24 1642 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA359865  Collinsia concolor Steve D. Boyd 1986-4-2 1616 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA543957  Collinsia heterophylla Steve D. Boyd, Orlando Mistretta 1991-5-9 6188 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  SBBG47467  Collinsia heterophylla N. C. Cooper 1944-6-16 1429 Riverside Pine Cove 1524 Comment
  UC50322  Collinsia heterophylla H. M. Hall Apr 1903 3825 Riverside vicinity of Riverside 335 Comment
  RSA554247  Colubrina californica Theo Glenn 1991-5-14 91 -46 Riverside W side of Little Maria Mountains, NW of Blythe. 309 Comment
  UCR107825  Convolvulus arvensis D. L. Banks 1997-5-5 1953 Riverside NW Palomar Mtns., Agua Tibia Mtns: NW foothills of Dorland Mtns, at intersection of Los Caballos Road and Anza Road, just south of the golf course. 427 Comment
  UC1605399  Conyza bonariensis Steve Boyd and Darin Banks 1994-9-29 8368 Riverside floodplain e dike along San Jacinto River (w of Sedco Hills community); Lake Elsinore 381 Comment
  UCR146488  Conyza canadensis Scott D. White, Angelia Carey 2004-9-16 10757 Riverside San Jacinto Mtns foothills, Indian Creek watershed, above confluence with San Jacinto River 579 Comment
  RSA741598  Conyza floribunda Justin M. Wood 2008-9-22 161 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR242671  Cordylanthus rigidus A. C. Sanders 2013-7-6 40846 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11 1793 Comment
  UC33126  Coreopsis bigelovii W. G. Wright Riverside Comment
  CAS-BOT-BC101305  Corethrogyne filaginifolia John Thomas Howell 1927-8-2 2917 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto 1676 Comment
  UCD130861  Corethrogyne filaginifolia R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  UCR132417  Cortaderia selloana A. C. Sanders 2004-2-6 27382 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
  SEINET11044816  Coryphantha alversonii Marc A. Baker, Michelle Cloud-Hughes 2011-1 Riverside Comment
  CAS-BOT-BC291362  Cotula coronopifolia Philip A. Munz 1941-5-18 16665 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 914 Comment
  UCR111067  Crassula aquatica D. E. Bramlet 1998-4-21 2601 Riverside maintenance road adjacent to (east of) the MWD canal & approximately 488m north from the canal crossing at the existing weather station, 701 m east of Hwy 79 and 1.22 km south of Holland Road, 50m west of the Shipley Reserve. 450 Comment
  UCR281094  Crassula aquatica Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 51 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  CAS-BOT-BC224913  Crassula connata A. C. Sanders 2011-4-6 38993 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
  RSA0121172  Crassula connata Duncan S. Bell, LeRoy Gross 2016-3-30 9178 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
  SDSU13920  Crassula connata Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2136 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR158720  Crassula connata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30032 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
  UCR196894  Crassula connata A. C. Sanders, T. B. Salvato 2008-2-19 34425 Riverside San Bernardino Valley Region, Riverside, vacant lot at NW corner of the intersection of Chicago Ave. and M. Luther King (ex Pennsylvania) Ave. 296 Comment
  CSUSB616  Crassula erecta Paul M. Estes 1962-3-17 Riverside Box Springs Mountains West slope of Box Springs Mountains, 1.5 miles west of Big "C" Road in dry stream bed. 761 Comment
  UCR157768  Crassula tillaea T. B. Salvato, A. C. Sanders 2005-5-17 922 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR89776  Cressa truxillensis Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA397721  Crossosoma bigelovii Martha Hilend 1928-3-11 95 Riverside Morongo Pass, Colorado Desert region. Comment
  UCR25850  Crossosoma bigelovii John C. Roos 1949-4-2 4127 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon Comment
  JEPS52463  Croton californicus W. L. Jepson 1901-5-22 1404 Riverside Palm Canyon Mt. San Jacinto (and return to Van Deventer's ranch) Comment
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Jun 4 2016
  JOTR33870  Croton californicus La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3051 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps 432 Comment
  SD230228  Croton californicus V. W. Steinmann, M. T. Wedlake 1995-4-8 655 Riverside Along Hwy. 1111, 1 km northwest of Palm Slprings (measured from the intersection with San Rafael Dr.) south of the highway. 214 Comment
  RSA189421  Croton californicus var. mohavensis L. S. Rose 1966-12-11 66097 Riverside Palm Springs. 152 Comment
  RSA303502  Croton californicus var. mohavensis J. R. Shevock 1972-3-13 1402 Riverside Hwy 111, near Palm Springs 183 Comment
  RSA688911  Croton californicus var. mohavensis Scott D. White 2001-4-18 8352 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  UCR139648  Croton setiger A. C. Sanders 2004-6-30 28385 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR21959  Croton setiger Steve Boyd 1980-7-6 320 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR231780  Cryptantha John F. Green 2008-4-23 08- 24 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  CSUSB1174  Cryptantha angustifolia W. W. Mayhew 1959-2-3 S. N. Riverside 10 miles east of desert center. Comment
  HSC24855  Cryptantha angustifolia James Henrickson 1971-4-2 5476 Riverside Hidden Oasis, 13 mi. E of Palm Spring 183 Comment
  POM13896  Cryptantha angustifolia P. A. Munz, D. D. Keck 1922-4-8 4744 Riverside 1/2 miles E of Indio. -9 Comment
  RSA517912  Cryptantha angustifolia Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1317 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  SBBG6239  Cryptantha angustifolia H. and M. Dearing 1942-4-3 4852 Riverside near Desert Center 518 Comment
  SDSU18676 SDSU18676
Image available
Cryptantha angustifolia Kristen Hasenstab, M. G. Simpson 2008-4-1 44 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. 592 Comment
  UC1601978  Cryptantha angustifolia E. E. Schellenger 1905-3-12 Riverside Palo Verde Valley Colorado Desert Comment
  UCD119593  Cryptantha angustifolia 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. 15 Comment
  UCR230773  Cryptantha angustifolia A. C. Sanders 2010-3-23 37531 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  UCR75069  Cryptantha angustifolia A. C. Sanders, E. J. Lawlor 1992-4-4 12111 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  JEPS67490  Cryptantha barbigera W. I. Follett 1942-3-22 128 Riverside 10.5 mi e Mecca; Colorado Desert Comment
  JOTR29362  Cryptantha circumscissa La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1439 Riverside Joshua Tree National Park. Long Canyon; Stop 1, south end of Long Canyon, near Park boundary 547 Comment
  SDSU14044  Cryptantha clevelandii var. clevelandii Robin P. Silverstein 2002-4-1 6 Riverside Santa Margarita Ecological Reserve. Next to concrete drainage, under telephone wire, east bank of river, 1/10 of a mile south of Northside Field Station. 244 Comment
  UCR183022  Cryptantha corollata Mitch Provance 2005-5-27 4600 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  SBBG63938  Cryptantha cycloptera L. G. Yates -Apr-1895 Riverside Palm Springs Comment
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Mar 24 2013
  SBBG35066  Cryptantha decipiens T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UCR116608  Cryptantha decipiens A. C. Sanders 2001-4-8 23977 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  UCR127960  Cryptantha decipiens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16139 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  CLARK-A1528-332  Cryptantha intermedia Ellen Predmore 1971-5-3 Riverside Gilman Hot Springs 457 Comment
  JEPS67667  Cryptantha intermedia W. L. Jepson 1901-5-30 1554 Riverside between Aguanga and Temecula; Temecula River Comment
  POM12213  Cryptantha intermedia Mary F. Spencer 1921-6-2 1865 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  RSA659685  Cryptantha intermedia J. C. Roos 1947-3-21 3366 Riverside Plateau, Reche Canyon Comment
  SD137838  Cryptantha intermedia Darin L. Banks, Steve Boyd 1995-5-3 247 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 515 Comment
  UC665737  Cryptantha intermedia Ira L. Wiggins 1941-3-27 9697 Riverside 4 mi n Whitewater Comment
  UCR136268  Cryptantha intermedia A. C. Sanders 2004-4-20 27545 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR174947  Cryptantha intermedia Jennifer H. Jones, Toby Bartels 2006-4-23 275 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  UCR176908  Cryptantha intermedia Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR281801  Cryptantha intermedia Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-24 517- 126 Riverside Menifee Valley, Menifee, S. side of Bundy Canyon Rd., vicinity of 'Moss Road'. 527 Comment
  UCR97685  Cryptantha intermedia A. C. Sanders, G. Helmkamp 1997-3-15 19925 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  RSA0070998  Cryptantha intermedia Steve Boyd, K. Boyd, R. Noyes, L. Arnseth, C. Boyd 1988-5-28 2291 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 0.5 mi S of saddle. 1500 Comment
  SDSU20587  Cryptantha intermedia var. intermedia Ronald B. Kelley 2005-3-23 669 Riverside Idaleona Road, 0.75 miles E. of Gavilan Road, along roadside. 620 Comment
  RSA0075625  Cryptantha intermedia var. johnstonii Michael Honer, L. Hulse 2005-3-7 2034 Riverside Little San Bernardino Mountains region: Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  JOTR36430  Cryptantha maritima La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3402 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  SEINET4568277 Image available Cryptantha maritima Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4595 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC573150  Cryptantha maritima Herbert L. Mason 1928-3-10 4227 Riverside Hidden Springs Canyon Coachella Mountains Comment
  UCR276658  Cryptantha maritima Jim Andre 2015-3-6 33569 Riverside Coachella Valley, far northwest corner of valley, 0.5 mile west of Hwy 62 at mouth of Dry Morongo Wash, 0.3 mile north of (dirt) Kolbe Road 561 Comment
  VVC2476  Cryptantha maritima var. pilosa Tim Thomas 2013-3-18 5938 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  POM305855B  Cryptantha micrantha Henry J. Ramsey 1938-4-23 1165 -B Riverside Santa Rosa Mtns. Comment
  RSA781651  Cryptantha micrantha Duncan S. Bell 2009-3-8 72 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
  RSA145650  Cryptantha micrantha var. lepida P. H. Raven 1959-5-18 s.n. Riverside Lake Fulmor, San Jacinto Mountains Comment
  JOTR33867  Cryptantha micrantha var. micrantha La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3052 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps 432 Comment
  UCR124634  Cryptantha micrantha var. micrantha B. C. Templeton, I. W. Clokey 1930-4-9 1073 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR116858  Cryptantha micromeres A. C. Sanders, Steven R. Hill 2001-5-4 24129 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR156279  Cryptantha microstachys T. B. Salvato, Kent Beaman 2005-5-16 824 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR162961  Cryptantha microstachys 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
  UC1979540  Cryptantha muricata Darin L. Banks, Steve Boyd 1995-5-3 217 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UCR153367  Cryptantha muricata LeRoy Gross, Valerie Soza 2003-5-8 832 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  RSA786537  Cryptantha muricata var. denticulata C. P. Cowan 1978-4-23 1236 Riverside Santa Rosa Mountains. 17.3 mi (27.2 km) S and W on Hwy 74 from jct w/111 at Indian Wells. San Bernardino National Forest. Whittaker transect no.W-221(voucher). 1180 Comment
  RSA0079419  Cryptantha muricata var. jonesii Steve Boyd 1992-4-15 6883 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA0079225  Cryptantha muricata var. jonesii P. A. Munz 1937-5-30 15086 Riverside Northwest slope of Santa Rosa Mountain. 2134 Comment
  SEINET3195133 Image available Cryptantha nevadensis var. nevadensis Andrew C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37461 Riverside Sonoran (Colorado) Desert; SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q.) 204 Comment
  JOTR36439  Cryptantha pterocarya La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3411 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  UC61111  Cryptantha torreyana Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  JOTR16629  Cryptantha utahensis Liska, K. and Leary, Pat 1975-3-11 958 Riverside Joshua Tree National Park. WEST WIDE CANYON 609 Comment
  RSA0024547  Cryptantha wigginsii Steve Boyd 1986-5-1 1797 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  UCSB44689  Cucurbita palmata Hibbard, Doug 1977-5-14 Riverside 50 yards off west side of Hwy. 74, 3.3 miles from its intersection with Hwy. 111, (Palm Desert area) 280 Comment
  CAS-BOT-BC224403  Cuscuta californica No date on label s.n. Riverside Strawberry Valley Comment
  UCR35150  Cuscuta californica var. papillosa L. B. Ziegler 1972-6-10 480 Riverside San Jacinto Valley, [Santa Rosa ] hills on south side of valley (W of Ramona Bowl) Comment
  CAS-BOT-BC59396  Cylindropuntia bigelovii var. bigelovii L. R. Abrams 1926-3-26 11212 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA0098478  Cylindropuntia ganderi var. ganderi Marc A. Baker 2015-7-4 18385 .2 Riverside San Jacinto Mountains, 25 km SSE of central Palm Springs, 800m WSW of Sugarloaf Mountain. 1236 Comment
  UCR137497  Cynodon dactylon D. L. Banks, V. W. Steinmann 1997-3-13 1488 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
  CDA38930  Cyperus difformis Steve Boyd 1989-7-23 3788 Riverside City of Riverside, Santa Ana River, just downstream of old city dump at west extension of Rubidoux Ave. 0 Comment
  SBBG119269  Cyperus involucratus R. F. Thorne 1965-4-4 41861 Riverside Tahquitz Falls, Tahquitz Cyn Comment
  RSA500573  Cyperus involucratus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3579 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  SD146115  Cyperus odoratus A. C. Sanders, Mitch Provance, et al 2000-9-27 23680 Riverside Santa Ana River Valley; southwest side of Mount Rubidoux; northwest of intersection of Tequesquite Avenue and Gregory Road; near confluence of Arroyo Tequesquite and the river . 231 Comment
  UCR108364  Cystopteris fragilis L. C. Wheeler 1961-6-20 7887 Riverside Peninsular Ranges; San Jacinto Mtns., W fork of Tahquitz Creek 2378 Comment
  RSA0027467  Dalea mollis Deidre Conocchioli, Naomi Fraga, Billy Sale 2013-9-25 61 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  RSA0022206  Datura meteloides D. W. Stevens 1966-5-21 950 Riverside 10 mi S. of Thomas Mt. turn off. Comment
  RSA479904  Datura stramonium Steve D. Boyd 1987-10-10 2093 Riverside N. Main St. just S of Santa Ana River. Comment
  RSA713777  Daucus pusillus A. C. Sanders 2005-4-22 29583 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  RSA80394  Daucus pusillus F. W. Peirson 1921-3-22 2379 Riverside Murray Canyon near Palm Springs. 457 Comment
  SD181707  Deinandra fasciculata Scott D. White 2000-5-30 7972 Riverside 1.0 mile southeast of the I-15/El Cerrito Road junction adjacent to new housing construction. 334 Comment
  UC63228  Deinandra fasciculata H. M. Hall May 17 1901-Jun 1 1901 1975 Riverside near Elsinore 365 Comment
  SD211549  Deinandra mohavensis Justin M. Wood, Scott D. White and Brandy Ulrich 2008-7-15 23 Riverside Aguanga Basin / San Jacinto Mountain foothills: West of Anza Valley, adjacent to Cave Rock Road. Approximately 1/4 mile East of Cahuilla Indian Reservation. (Anza) 1214 Comment
  SD135127  Deinandra paniculata Craig Reiser 1993-6-14 Riverside Near Winchester, N of Patton Rd. and several hundred yards N of San Diego aquaduct Comment
  SD231214  Deinandra paniculata Scott D. White 2003-12-1 9890 Riverside Santa Ana River Valley: City of Riverside (La Sierra area). Riverside West. 244 Comment
  UCR238219  Deinandra paniculata Mark A. Elvin 2005-5-24 4321 Riverside Peninsular Range; Perris-Aguanga Basin Region, SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  JEPS5522  Delphinium hesperium subsp. cuyamacae W. L. Jepson 1901-6-1 1473 Riverside Cahuilla Valley Comment
  RSA398684  Delphinium parishii Emery M. Whilton 1937-3-19 s.n. Riverside taken in the foothills near Palm Springs, Coachella Valley Comment
  RSA0020491  Delphinium parishii subsp. parishii Donald A. Johansen, Joseph A. Ewan 1932-4-10 7094 Riverside Mouth of Tahquitz Canyon, Western Colorado Desert. Comment
  RSA0119900  Delphinium parishii subsp. subglobosum Duncan S. Bell, Thomas Stoughton 2016-4-12 9230 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  UCR16757  Delphinium patens subsp. hepaticoideum G. R. Ballmer 1965-3-21 s.n. Riverside Peninsular Range, Base of Santa Ana Mountains, 5 mi. south of Glen Ivy Hot Springs 396 Comment
  RSA769032  Dendromecon rigida E. W. Lathrop 1973-6-28 7431 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  SEINET10476415  Dendromecon rigida David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-15 Dunn 20755 Riverside Along hwy 74 w of the jct rd to idyllwild, 11 mi w at the lower edge of the coulter pines and near the chaparral. Decomp granite. Comment
  POM122684  Dendromecon rigida subsp. rigida Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  CAS-BOT-BC198165  Deschampsia danthonioides Philip A. Munz 1941-5-18 16645 Riverside 15 miles northeast of Temecula Comment
  SBBG104101  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside western edge of Hemet, along S side of Devonshire Ave, SW of Tres Cerritos, N of St Hwy 74 460 Comment
  POM14442  Deschampsia danthonioides var. gracilis P. A. Munz, I. M. Johnston 1922-5-19 5377 Riverside Menifee Valley. 412 Comment
  POM369561  Descurainia obtusa subsp. adenophora Lester H. Cushman 18058 Riverside Idyllwild Comment
  RSA740249  Descurainia obtusa subsp. adenophora Scott D. White, Justin M. Wood 2008-7-8 12386 Riverside Johnson Meadow. 1439 Comment
  RSA651377  Descurainia pinnata subsp. glabra William Gilbert 1969-5-24 s.n. Riverside Pinon Flats Camp, Hwy. 74. Comment
  UC64141  Dicentra chrysantha H. M. Hall May 1899 1216 Riverside Smith's Mt. Comment
  CAS-BOT-BC500847  Dichelostemma capitatum Milo S. Baker 1928-4-3 2807 b Riverside Tahquitz Canyon near Palm Springs Comment
  SEINET12045058  Dichelostemma capitatum N. C. Cooper 1944-1 1002 Riverside Cabazon 457 Comment
  POM17820  Dichelostemma capitatum subsp. capitatum Philip A. Munz, D. D. Keck 1923-6-14 7079 Riverside Trail Glen Ivy to Santiago Peak. 1616 Comment
  RSA367460  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-3-24 1001 Riverside Banning. 701 Comment
  RSA586152  Dichelostemma capitatum subsp. capitatum Darin L. Banks, Steve Boyd 1995-3-30 114 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 713 Comment
  RSA649288  Dichelostemma capitatum subsp. capitatum Bruce H. Lewis 1970-3-9 27 Riverside Collected 1 mi. south of Temecula on a dirt road, an area south of the State College property. 548 Comment
  RSA702413  Dichelostemma capitatum subsp. capitatum Steve Boyd, Aydee Virgen 2004-4-13 10858 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR93016  Dichelostemma capitatum subsp. capitatum G. P. Schultz 1994-4-7 75 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  RSA33564  Dichelostemma capitatum subsp. pauciflorum N. C. Cooper 1944-3-25 1002 Riverside Cabazon 457 Comment
  RSA0019264  Dimorphotheca ecklonis D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0953 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
  SD186336  Diplacus aurantiacus Andy C. Sanders 2004-4-20 27534 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego County line 640 Comment
  SDSU12987  Distichlis spicata Michael G. Simpson with Claudia A. Luke 1999-10-27 2021 Riverside Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  RSA676153  Ditaxis lanceolata Scott D. White 2001-4-3 8262 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SEINET2055757 Image available Ditaxis lanceolata B. Pitzer 1998-1-24 3385 Riverside N foot of Chuckwalla Mts. Eagle Mt. Rd, AS. Side of highway 1-10, 0.8 mi S of Hwy powererline rd, & wash directly S of rd. 500 Comment
  VVC2111  Ditaxis neomexicana Tim Thomas 2012-8-23 5870 Riverside Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10 168 Comment
  JEPS52437  Ditaxis serrata W. L. Jepson 1928-4-25 12630 Riverside Pinto Basin, S Mohave Desert 822 Comment
  JOTR33801  Dithyrea californica La Doux, Tasha, B. Truesdell 2007-11-9 3299 Riverside Joshua Tree National Park. Pinto Basin; Fried Liver Wash, along Route 11 where the wash crosses the road (STOP1) 532 Comment
  RSA162746  Dithyrea californica John Olmsted 1958-3-29 79 Riverside Transtion zone with interior drainage into Pinto BAsin 10miles N of jct between Cottonwood Pass and Cottonwood Spring Roads on the former which has now becom Pinto Basin Road, Joshua Tree National Monument. 549 Comment
  RSA27445  Dithyrea californica I. L. Wiggins 1941-3-24 9563 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio. Comment
  UC1329976  Dithyrea californica James E. Cole 1941-3-30 449 Riverside Pinto Basin Joshua Tree National Monument 457 Comment
  SEINET12005462  Dithyrea californica J. F. Bright, Wyman, C. 1933-1 8062 Riverside between Radio & Palm Springs Comment
  UC1606957  Dodecahema leptoceras Steve Boyd 1986-4-19 1692 Riverside e side of wash between I-15 and Temescal Canyon Road; Temescal Canyon, Indian Wash Comment
  RSA615142  Dodecatheon clevelandii A. C. Sanders, O. F. Clarke, H. Forster 1997-3-2 19762 Riverside Box Springs Mountains E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  SEINET11973369  Dodecatheon clevelandii H. M. Hall 1902-1 2963 Riverside vicinity of Riverside, in the Sonoran Zone 366 Comment
  UC10521  Draba cuneifolia Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  POM96180  Draba cuneifolia var. integrifolia Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  POM366543  Drymocallis glandulosa N. C. Cooper 1944-6-17 1378 Riverside San Jacinto Mountains: above Banning. 1372 Comment
  CAS-BOT-BC411416  Dudleya lanceolata K. Nakai 1981-6-4 773 Riverside Temecula River Canyon, ca. 1/4 mi. W of Hwy I-15 on N facing slope Comment
  UCR48403  Dudleya multicaulis Steve Boyd 1986-5-7 1838 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  CAS-BOT-BC109611  Dudleya saxosa subsp. aloides D. W. Kyhos 1960-6-1 s.n. Riverside Bed of San Gorgonio River 2 miles north of Banning. Comment
  JEPS48942  Dudleya saxosa subsp. aloides Marjorie D. Clary 1932-4-3 894 Riverside Deep Canyon Colorado Desert, west side of Santa Rosa Mtn Comment
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Oct 19 2006
  RSA397788  Dudleya saxosa subsp. aloides M. B. Dunkle 1933-3-3 3018 Riverside Devil's Cactus Garden Comment
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Mar 20 2011
  RSA0054930  Echidiocarya californica Keith E. Hoffmaster 1936-4-26 711 Riverside Box Springs grade, Riverside. Comment
  SEINET10478675  Echinocactus polycephalus Billy Joe Cox 1976-1-7 Cox 4228 Riverside Palo verde, 1-3 km w, creosote desert scrub, sandy and gravelly entisols. 70 Comment
  SEINET8060326 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 16 Riverside Zzyzx Road south off Route 15 on SE facing rocky slope overlooking west shore of Soda Lake. 400 Comment
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Jun 4 2016
  SEINET8060772 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-8 7 Riverside 1/4mi down Hayfield Rd. south of I-10 500 Comment
  RSA0106466  Echinochloa crus-galli Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  RSA85453  Elatine brachysperma J. C. Roos 1952-4-16 5539 Riverside Edgemont, near Box Springs. Comment
  RSA234015  Elatine californica R. F. Thorne, E. W. Lathrop 1969-5-12 39740 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California. 624 Comment
  RSA770644  Elatine californica R. F. Thorne 1973-5-23 43840 Riverside Santa Rosa Plateau- Mesa de Colorado. 610 Comment
  UCR45970  Eleocharis macrostachya Dave Thomason, T. Ganje 1986-9-17 s.n. Riverside San Jacinto Mountains, Lake Hemet, N shore near the fence. 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
  CAS-BOT-BC418621  Eleusine indica R. E. Riefner, Jr. 2013-10-29 13 225 a Riverside La Sierra, along La Sierra Ave. at Sierra Tree St. 243 Comment
  SD204779  Elymus condensatus Sarah J. De Groot, Beth Kempton 2006-3-16 5207 Riverside San Jacinto Mountains; dirt road heading east from Castille Canyon Road toward Indian Creek, west of Poppet Flat. 551 Comment
  UC38217  Elymus elymoides subsp. elymoides H. M. Hall 1901-6-10 2065 Riverside San Jacinto Mountains; s side 1615 Comment
  OBI32773  Elymus glaucus E. W. Lathrop 1965-4-26 5689 Riverside 4 mi SE of Murrieta Comment
  RSA314457  Emmenanthe penduliflora Robert F. Thorne 1983-4-23 55466 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA516412  Emmenanthe penduliflora Walter Wisura, Bart O'Brien, T. Hayduk 1990-5-12 4424 Riverside Ortega Hwy. below switchbacks, near Lake Elsinor, in burned area. Comment
  RSA543174  Emmenanthe penduliflora Steve Boyd, Mike Hammitt, Tim Ross 1991-5-2 6084 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  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
  UC667294  Emmenanthe penduliflora Annie M. Alexander and Louise Kellogg 1941-5-11 2147 Riverside 1.5 miles north of Cottonwood Spring; Colorado Desert, Eagle Mountains 975 Comment
  UC880682  Emmenanthe penduliflora I. W. Clokey 1935-4-8 6846 Riverside Gavilan Mesa 600 Comment
  UCR162280  Emmenanthe penduliflora S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  UCR279566  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-29 43174 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  UCSB5259  Emmenanthe penduliflora Koran, Jr., John 1958-5-18 Riverside 8.4 miles S. of Hemet Lake on Hwy. 74 Comment
  RSA613867  Emmenanthe penduliflora B. Pitzer 1997-4-11 3116 Riverside Lakeview Mtns Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. Approx. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM Nelson) 610 Comment
  LA206365  Encelia actoni Norman C. Cooper; 1944-5-6 1195 Riverside Banning, along railroad 701 Comment
  UCR135729  Encelia actoni Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9006 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  POM98992  Encelia actoni E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mts, Eastern Riverside County. 762 Comment
  POM4956  Encelia californica H. M. Hall 1902-04 2922 Riverside Vicinity of Riverside 366 Comment
  LA88053  Encelia farinosa D. Dunn; 1948-1-1 3643 Riverside 1 mi. SE of Cabyon [Cabazon] in the Bannings Pass between San Jacinto Mountains and the San Goronio Mountains Comment
  RSA678416  Encelia farinosa Michael Wall 2003-4-15 334 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  UC895519  Encelia farinosa I. W. Clokey 1935-4-17 6946 Riverside Cottonwood Springs 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
  POM356692  Encelia farinosa var. farinosa Christopher Davidson 1979-4-4 7731 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  POM656671  Encelia farinosa var. farinosa Norman C. Cooper 1949-4-9 3324 Riverside Blythe. 81 Comment
  RSA192077  Encelia farinosa var. farinosa H. A. Zuill 1966-6-5 190 Riverside 1 mile SW of Murrieta on the Tenaja Grade. Comment
  RSA525271  Encelia farinosa var. farinosa Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4585 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  OBI38921  Ephedra aspera A. C. Sanders, D. Charlton, & B. Pitzer, B. Pitzer 1986-3-3 6142 Riverside North foot of the Chuckwalla Mts, 2-3/4 mi airline SE of Desert Center 366 Comment
  SEINET3111912  Ephedra aspera Sears 1977-10-12 S-- 578 Riverside Corn Spring; Desert Palm Oasis. 549 Comment
  CLARK-A1656-719  Ephedra californica Theo Glenn 1981-3-14 Riverside Whitewater Canyon Comment
  LA6775  Ephedra californica LeRoy Abrams; 1903-4-6 3204 Riverside Palm Springs Comment
  SEINET11062604 Image available Ephedra californica Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18292 Riverside Chuckwalla Bench, 64km WSW of Blythe, 3.9km south of Augustine Pass 660 Comment
  RSA0065425  Ephedra fasciculata Peter Gail 1961-5-6 s.n. Riverside Palms to Pines Highway; 125' off road, San Jacinto Mountains. Comment
  CAS-BOT-BC81872  Ephedra trifurca Philip A. Munz 1941-4-5 16693 Riverside sand dunes southeast of Iron Mts. Comment
  RSA0043058  Ephedra trifurca Duncan S. Bell, Evan Meyer 2014-4-1 6490 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of this range; approximately 4.75 air miles northwest of Gucci Spring; approx. 5 air miles north of the Bradshaw Trail. 759 Comment
  RSA448508  Epilobium canum subsp. latifolium N. R. Zabriskie, W. M. Zabriskie 1972-10-22 547 Riverside Cactus Spring Trail between Dolomite mine & Horsthief Canyon; N slope Santa Rosa Mountains. (E of site 13). 1098 Comment
  RSA674524  Epilobium canum subsp. latifolium Scott D. White 2000-11-15 8147 Riverside Idyllwild area, Strawberry Fuelbreak between Inspiration Pt. and Strawberry Ck. 1402 Comment
  RSA556500  Epilobium ciliatum Julie Greene 1993-4-3 1103 Riverside On raised wet area, west of dirt road. 445 Comment
  RSA458733  Epilobium oregonense M. B. Dunkle 1933-7-22 3745 Riverside Tahquitz Valley. San Jacinto Mountains. 2317 Comment
  RSA639601  Equisetum arvense L. C. Wheeler 1932-7-9 926 Riverside Santa Ana River at Chino Creek 145 Comment
  RSA740836  Equisetum laevigatum Scott D. White, Justin M. Wood 2008-7-8 12398 Riverside Johnson Meadow. 1439 Comment
  UC810270  Equisetum laevigatum Crawford and Johnston 1917-6-9 1216 Riverside Santa Ana River near Corona Comment
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Jun 9 2011
  UCR236672  Eragrostis Fred M. Roberts, Michelle Balk 2006-8-24 6403 Riverside Upper San Jacinto Valley, Hemet, south side of Esplanade Rd. near intersection with Alabaster Rd., 0.3 km E of junction with Warren Rd. 452 Comment
  UCR111610  Eragrostis cilianensis Scott D. White 1995-7-7 3443 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UCD63462  Eragrostis mexicana subsp. mexicana G. Helmkamp 1997-11-1 2518 Riverside Bermuda Dunes, 41st St. and Sparky (just E of Washington and S of I-10). 30 Comment
  UCR139981  Eragrostis pectinacea var. pectinacea A. C. Sanders 2004-8-10 28767 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
  UCR131726  Eremalche exilis C. B. Wolf 1932-4-27 03027 Riverside Western Colorado Desert, Chuckwalla Valley, Mecca to Blythe road [Hwy 10], 0.75 mile west of Utopia 152 Comment
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Dec 12 2011
  UCR279385  Eremalche exilis A. C. Sanders, Jim Malusa 2017-3-24 42955 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA278491  Eremalche rotundifolia John F. Emmel 1977-3-7 553 Riverside Orocopia Mts.; canyon 4.9 air miles due east of Shaver s Well 579 Comment
  RSA432717  Eremalche rotundifolia Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  RSA432722  Eremalche rotundifolia Robert L. Dressler 1949-3-19 403 Riverside Box Canyon, Orocopia Mts. Comment
  RSA567653  Eremalche rotundifolia A. C. Sanders, E. J. Lawlor 1992-4-4 12094 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  SBBG35561  Eremothera boothii subsp. desertorum D. Myrick 1966-4-1 1318 Riverside slope adjoining Linda Vista Lodge, Desert Hot Springs Comment
  UC880215  Eriastrum densifolium subsp. austromontanum I. W. Clokey and E. G. Anderson 1935-8-21 6829 Riverside e Keen Camp P.O. 1350 Comment
  UC1787317  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-16 138 Riverside San Jacinto Mountains: Hwy 371, 4.5 km south of Hwy 74, south side of road, in sandy bottom of Hamilton Wash 1267 Comment
  UCR95954  Eriastrum densifolium subsp. densifolium Scott D. White 1996-8-1 4403 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  SD146199  Eriastrum densifolium subsp. elongatum Mitch Provance 1998-6-6 686 B Riverside Jurupa Mountains; Jensen Quarry, Sunnyside area on west side of Sioerra Blvd., just east of corner of 29th St. and Scenic Drive. 299 Comment
  CLARK-A1528-3804  Eriastrum densifolium subsp. mohavense John C. Roos 1943-5-23 2661 Riverside Little San Bernardino Mountains Comment
  RSA0119714  Eriastrum diffusum subsp. coachellae P. A. Munz, I. M. Johnston 1922-5-6 5169 Riverside Colorado Desert, dry Morongo Wash. Comment
  JOTR29245  Eriastrum eremicum subsp. eremicum La Doux, Tasha 2005-8-17 1526 Riverside Joshua Tree National Park. Queen Valley, at intersection of Park Blvd. and O'Dell Rd. 1338 Comment
  UCR44453  Eriastrum filifolium A. C. Sanders, B. Pitzer 1986-4-30 6484 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  UC23548  Eriastrum sapphirinum A. J. McClatchie May 1892 39 Riverside near Elsinore Comment
  CAS-BOT-BC514946  Eriastrum sapphirinum subsp. brevibracteatum A. M. White 1974-6-4 1060 Riverside See lat/long (Project #74-671, site 4) Comment
  RSA0122957  Eriastrum sapphirinum subsp. dasyanthum Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR123257  Ericameria cuneata Steve Boyd, D. E. Bramlet 1988-10-8 2859 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  CHSC84684  Ericameria cuneata var. spathulata John Dittes 2002-1-4 2 46 B Riverside Mojave Desert; Pinto Mountains, ca. 10 air-miles south of Twentynine Palms, 0.3 mile south of White Tank Campground. 1173 Comment
  UC1329821  Ericameria linearifolia James E. Cole 1941-5-17 714 Riverside Covington Flat Canyon Joshua Tree National Monument, Covington Flat Canyon 1371 Comment
  CAS-BOT-BC299120  Ericameria nauseosa var. mohavensis Edmund C. Jaeger 1938-10-21 s.n. Riverside Joshua Tree National Monument, 15 miles S of Warren's Well, Little San Bernardino Mts 1280 Comment
  SBBG62944  Ericameria nauseosa var. mohavensis J. E. Butner 1948-10-3 657 Riverside San Jacinto Mtns on St Hwy 74 Comment
  UCR113191  Ericameria palmeri var. pachylepis A. C. Sanders 1997-11-25 21625 Riverside Skinner/Domenigoni region, S of Hemet, Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, east end of south side of Diamond Valley, c. 2/3 of the way from west dam to east dam 503 Comment
  LA203147  Ericameria paniculata Louis Wheeler; 1933-12-1 2288 Riverside San Gorgonio Pass, 2 mi. E. Cabazon, 640 Comment
  UC699656  Ericameria teretifolia Kay H. Beach 1942-10-23 1696 Riverside at a point about .5 mi n National Forest Boundary (.75 mi nw of highway, steep bank below Dos Palmas Spring); Dos Palmas Spring Comment
  SEINET5727171 Image available Ericameria teretifolia Lowell E. Urbatsch, Patricia B. Cox; Sue Grace 1995-1 7093 Riverside Joshua Tree National Park; ca. 1.7 mi SE of jct. of the road to Cottonwood Headquarters and the road to the town of Joshua Tree; near the White Tank campground.; Joshua Tree National Park Comment
  SEINET10915531  Erigeron David B. Dunn 1947-9-21 Dunn 3507 Riverside Stream (Springs) bed, wet sand. Pushawalla Canyon, just below the Palms by quad 7, Indio Hills. Comment
  JEPS41493  Erigeron breweri var. jacinteus Carl V. Meyer 1928-7-31 609 Riverside Tahquitz Peak; San Jacinto Mts., Tahquitz Peak 2682 Comment
  UC130500  Erigeron breweri var. jacinteus Charlotte M. Wilder 1909-7-14 972 a Riverside near Tahquitz Peak Comment
  RSA674756  Erigeron divergens Scott D. White, Teresa B. Salvato 2001-6-8 8586 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR154443  Erigeron foliosus A. C. Sanders, Mike Misenhelter 2005-6-15 30978 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
  UCSB15235  Erigeron foliosus Breedlove, Dennis 1961-8-4 Riverside Along Riverside Highway 1 at junction with road to Black Mountain Campground; San Jacinto Mountains 1676 Comment
  JEPS41521  Erigeron foliosus var. foliosus W. L. Jepson 1914-5-25 6078 Riverside San Timoteo Canyon Comment
  CAS-BOT-BC226800  Eriodictyon crassifolium A. C. Sanders; T. B. Salvato 2012-4-27 40091 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. east of I-15 crossing and mouth of Mayhew Cyn. 313 Comment
  RSA6095  Eriodictyon crassifolium Carl B. Wolf 1932-5-24 3650 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  SBBG65116  Eriodictyon crassifolium var. nigrescens V. Duran 1933-7-1 3489 Riverside near Santa Rosa 1676 Comment
  LA205719  Eriodictyon trichocalyx var. trichocalyx Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash, near Banning Comment
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Jun 22 2015
  UCR265811  Eriogonum Mitch Provance 2012-5-24 512- 01 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  SEINET9347759  Eriogonum angulosum Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  CAS-BOT-BC248617  Eriogonum apiculatum E. L. Peterson 1931-9-5 s.n. Riverside Coldwater Canyon, San Jacinto Mts. 1524 Comment
  IRVC28536  Eriogonum apiculatum G. R. Ballmer 1991-7-11 s.n. Riverside Santa Rosa Mtn Road (Truck Trail going up Santa Roas Mtn.), 12 mi SE of the junction with Hwy 74. W of Deep Canyon. Santa Rosa Mtns. Comment
  OBI82309  Eriogonum apiculatum Louis Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  RSA6028  Eriogonum apiculatum Carl B. Wolf 1932-8-4 3913 Riverside San Jacinto Mountains: Point View near Idyllwild 1646 Comment
  RSA766438  Eriogonum apiculatum Ralph Hoffmann 1929-9-10 1264 Riverside Tahquitz Peak, San Jacinto Mts. 1829 Comment
  SEINET3087074 Image available Eriogonum baileyi J. Hogan 1974-7-10 179 Riverside Upper Covington Flat barricade, Joshua Tree National Monument 1463 Comment
  RSA593376  Eriogonum davidsonii Scott D. White 1996-7-23 4356 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
  SBBG1441  Eriogonum davidsonii H. and M. Dearing 1940-6-8 4344 Riverside Box Cyn, near Mecca Comment
  UCSB25721  Eriogonum davidsonii Gliessman, Stephen 1968-7-17 Riverside along Little Thomas Mountain Road, 2.9 miles southwest of junction with Highway 74, Little Thomas Mountain. 1554 Comment
  SBBG45497  Eriogonum deflexum Leota Davidson 1966-4-5 419 Riverside Wiley Well Rd 18 mi W of Blythe, Chuckawalla Mtns 213 Comment
  RSA597073  Eriogonum elongatum var. elongatum D. L. Banks, Lauren Raz 1996-8-29 1138 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 549 Comment
  CLARK-A1528-738  Eriogonum fasciculatum C. M. Flanagan 1973-5-31 OO 629 Riverside Morongo Indian Reservation 0 Comment
  UCR178538  Eriogonum fasciculatum R. G. Swinney 1967-5-26 135 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  RSA192060  Eriogonum fasciculatum var. foliolosum E. W. Lathrop 1965-4-26 5697 Riverside 4 miles southwest of Murrieta. Comment
  RSA34505  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-7-15 1572 Riverside Banning. 701 Comment
  RSA784656  Eriogonum fasciculatum var. foliolosum Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 62 Riverside Temescal Canyon road, exit Indian Truck Trail from Hwy 5, southern coast of Corona lake, dry flood-plain. Comment
  UC1537287  Eriogonum fasciculatum var. foliolosum Gordon H. True 1935-3-11 72 Riverside Box Springs 365 Comment
  JOTR30060  Eriogonum fasciculatum var. polifolium La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1691 Riverside Joshua Tree National Park. Stop #1 = Near Geology Tour Rd., N of Malapai Hill 1267 Comment
  RSA543197  Eriogonum fasciculatum var. polifolium Steve Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6097 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
  RSA594510  Eriogonum fasciculatum var. polifolium D. L. Banks, Dylan Hannon 1996-5-3 997 Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approx. 300m E of the Dripping Springs Guard Station, just S of Hwy. 79. 500 Comment
  UCR91275  Eriogonum fasciculatum var. polifolium Scott D. White 1995-4-5 2707 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  CAS-BOT-BC253490  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-6 2844 Riverside Along California Highway 74, 1.5 miles southwest of the summit of Santa Ana Mountains, 9 miles southwest of Elsinore and about 22 miles east-northeast of San Juan Capistrano, near turnoff to McConville Camp Comment
  CAS-BOT-BC253493  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-9 2851 Riverside Along California Highway 74, at Strawberry Creek about 5.5 miles west of the junction with Highway 243, San Jacinto Mountains 868 Comment
  UC1349024  Eriogonum gracile Lathrop and Thorne 1967-9-26 6647 Riverside 6 mi nw Murietta Comment
  UCR166711  Eriogonum gracile var. gracile Scott D. White 2005-7-6 11158 Riverside San Jacinto Mtns/Sonoran/Colorado Desert, San Gorgonio Pass: Cabazon. Toeslope of the San Jacinto Mtns and adjacent fan west of San Gorgonio River, south of the I-10 Fwy 610 Comment
  RSA0100140  Eriogonum gracile var. incultum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8558 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  CAS-BOT-BC257575  Eriogonum inflatum Philip A. Munz 1937-5-29 15145 Riverside Dead Indian Creek, north base, Santa Rosa Mts. 457 Comment
  CHSC1321  Eriogonum inflatum V. Holt 1935-4-15 Riverside Thousand Palms. Comment
  UC1018185  Eriogonum inflatum var. inflatum J. Warren 1952-4-6 Riverside Palm Springs 457 Comment
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Apr 20 2013
  CAS-BOT-BC270594  Eriogonum molestum Mary F. Spencer 1919-7-1 1375 Riverside Idylewild, San Jacinto Mountains 1615 Comment
  LA206959  Eriogonum nudum var. pauciflorum W. Pequegnat; 1937-9-3 129 Riverside Santa Ana Mountains, Bedford Rd 1645 Comment
  CAS-BOT-BC266939  Eriogonum parishii James L. Reveal; Barbara J. Ertter 1976-6-30 4568 Riverside Along dirt road to Santa Rosa Mountain at Santa Rosa Camp, about 8.5 miles southeast of California Highway 74, Santa Rosa Mountains 2164 Comment
  RSA64587  Eriogonum pusillum F. W. Peirson 1928-3-10 7702 Riverside Just east of Whitewater Bridge, near Whitewater, at head of Coachella Valley. Comment
  POM293157  Eriogonum saxatile Lyman Benson 1946-4-15 12041 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  RSA772580  Eriogonum saxatile Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5051 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
  JEPS22516  Eriogonum thomasii Rimo Bacigalupi with Paul Hutchison 1958-2-19 6194 -A Riverside 9.4 mi n Blythe (wash at western base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  POM305593A  Eriogonum thomasii Henry J. Ramsey, Henry J. Ramsey 1937-2-26 889 Riverside Whitewater. Comment
  RSA0020370  Eriogonum thomasii Duncan S. Bell 2012-3-4 3129 Riverside Arica Mountains; west side of range, approximately 2.3 air miles west of Priests Well. 420 Comment
  RSA0126641  Eriogonum thomasii Duncan S. Bell 2016-3-4 8796 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  SD185290  Eriogonum thomasii John F. Green 2005-2-2 Riverside Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, ca. 3 miles east of Desert Beach 24 Comment
  UC634598  Eriogonum thomasii Margaret Stason 1927-2-12 Riverside 1000-Palm Canyon Colorado Desert, 1000-Palm Canyon Comment
  UCR216496  Eriogonum thomasii Jim Andre, T. La Doux 2009-3-10 11237 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
  UCSB18464  Eriogonum thomasii Winn, Will 1963-4-8 Riverside U.S. Highway 60-70; 29.2 miles W of Desert Center 304 Comment
  UC205982  Eriogonum thurberi Jenkins and Street 1917-5-30 1954 Riverside San Jacinto River Comment
  UCR207565  Eriogonum thurberi 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
  SEINET3087565 Image available Eriogonum viridescens A. C. Sanders, B. Phillips, B. Pitzer 1988-5-22 7860 Riverside Mojave Desert, 1.5 mi. NW of Rosamond near the airport, N of Felsite St. & W of 35th St. W. Comment
  CAS-BOT-BC261789  Eriogonum wrightii var. nodosum Louis C. Wheeler 1933-12-1 2294 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  SBBG28186  Eriogonum wrightii var. nodosum P. A. Munz 1932-10-16 12852 Riverside N base of Santa Rosa Mtns, Indio to Vandeventer Flats Rd 609 Comment
  UC494688  Eriogonum wrightii var. nodosum P. A. Munz 1932-10-16 12852 Riverside road <from> Indio to Vandeventer Flat (n base of mts.); Santa Rosa Mts. 609 Comment
  UCR19426  Eriogonum wrightii var. subscaposum Harlan Lewis 1939-11-22 1018 Riverside San Jacinto Mtns., Idyllwild 1524 Comment
  UCR2827  Erioneuron pulchellum F. M. Reed 1927-1-5 5691 Riverside Sonoran (Colorado) Desert, Eagle Canyon, 5 miles east of Palm Springs, south of Cathedral City [= Cathedral Canyon?] 229 Comment
  UC896261  Eriophyllum ambiguum var. paleaceum Alice Eastwood 1913-4-30 2998 Riverside Palm Springs Comment
  CAS-BOT-BC297352  Eriophyllum confertiflorum Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  IRVC29077  Eriophyllum confertiflorum June Latting 1979-5-4 s.n. Riverside Harford Springs County Park Gavilan Hills 610 Comment
  POM357972  Eriophyllum confertiflorum E. C. Jaeger 1922-7-13 s.n. Riverside Pines to Palms Trail, San Jacinto Mts. 1524 Comment
  RSA503425  Eriophyllum confertiflorum J. D. Olmsted 1962-5-10 3615 Riverside L. Matthews Road ca. 1/2 mi. W of dam 427 Comment
  UCR104020  Eriophyllum confertiflorum George K. Helmkamp 1998-4-3 3088 Riverside Coachella Valley, Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging staion along the creek 747 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
  JOTR29609  Eriophyllum confertiflorum var. confertiflorum Andre, Jim 2006-4-26 6746 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  SBBG101772  Eriophyllum confertiflorum var. confertiflorum S. Boyd with T. Ross 1991-6-14 6397 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UC1118348  Eriophyllum confertiflorum var. confertiflorum C. Van Fleet 1931-1-24 8 Riverside ne of Oak Mountain; San Jacinto Quadrangle 731 Comment
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Nov 27 2011
  UCR167816  Eriophyllum multicaule A. C. Sanders 2005-4-21 29572 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  POM7015  Eriophyllum wallacei I. M. Munz, L. T. Street, Williams 1919-3-28 2389 Riverside San gorgonio Pass near Cabazon 543 Comment
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Mar 13 2011
  RSA612782  Erodium botrys D. L. Banks, Victor W. Steinmann 1997-3-13 1420 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
  RSA678971  Erodium botrys Scott D. White, Michael Honer 2003-6-3 9457 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR126494  Erodium botrys A. C. Sanders, K. C. Rose, James C. Dice, D. Woodard 1995-3-29 16284 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
  JOTR31910  Erodium cicutarium La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2156 Riverside Joshua Tree National Park. North Hexie Mountains; sandy pediment bajada surrounding granitic outcrops near Stirrup Tank parking lot Comment
  SD137741  Erodium cicutarium Darin L. Banks, Steve Boyd 1995-6-2 555 Riverside Northwest Palomar Mountains, Agua Tibia Wilderness Area, on the Woodchuck Trail just north of the Riverside County boundary. 1042 Comment
  CAS-BOT-BC421492  Erodium moschatum L. Nye; G. Gust 2005-3-11 60 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  POM14911  Erodium texanum Mary F. Spencer 1922-3-28 504 Riverside Mecca ?. -49 Comment
  RSA779809  Erodium texanum Duncan S. Bell 2009-3-9 108 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  UC68562  Erodium texanum H. M. Hall 1905-4-15 5770 Riverside Cathedral Canyon Colorado Desert 91 Comment
  RSA192138  Eryngium aristulatum var. parishii E. W. Lathrop 1966-9-14 6887 Riverside 3 miles SW of Murrieta. Comment
  UCR154538  Eryngium aristulatum var. parishii Jason L. Hlebakos 2005-5-18 711 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  CAS-BOT-BC54337  Erysimum capitatum Edmund C. Jaeger 1922-6-12 s.n. Riverside MacMullen Trail, east slope San Jacinto Mountains. 1127 Comment
  RSA0034958  Erysimum capitatum Norman Lederer 1950-4-30 s.n. Riverside Palms to Pines Hgw. Comment
  RSA0015878  Erythranthe moschata E. C. Jaeger 1921-6-21 s.n. Riverside Idyllwild. 1585 Comment
  RSA0014862  Erythranthe primuloides H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  RSA0014886  Erythranthe tilingii L. Crutcher 1933-8-22 2 Riverside Tahquitz Valley, San Jacinto Mountains. Comment
  CAS-BOT-BC110555  Eschscholzia Elizabeth McClintock 1958-4-5 s.n. Riverside In Painted Canyon, Colorado Desert. Comment
  RSA0022933  Eschscholzia androuxii C. L. Hitchcock 1932-4-7 12211 Riverside 5 miles S of Cottonwood Springs, East Riverside County. Comment
  RSA585879  Eschscholzia californica D. L. Banks, Peter Morrell 1995-5-4 313 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground., On Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 537 Comment
  UC855146  Eschscholzia californica I. W. Clokey, C. B. Clokey, and B. C. Templeton 1930-4-15 4641 Riverside Gavilan Peak 600 Comment
  UCR172715  Eschscholzia californica Jun Hu 2000-5-11 22 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  CAS-BOT-BC83134  Eschscholzia minutiflora H. M. Hall 1905-4-1 5901 Riverside Colorado Desert. Chuckawalla Springs. Comment
  POM13034  Eschscholzia minutiflora P. A. Munz 1922-4-13 4935 Riverside Eagle Mts, Colorado Desert. 213 Comment
  RSA0023129  Eschscholzia minutiflora M. Wall 2008-4-26 453 Riverside Chuckwalla Mountains; Corn Springs wash at Corn Springs Rd. crossing ca. 8.0 miles SW of Chuckwalla Rd. 435 Comment
  RSA66747  Eschscholzia minutiflora F. W. Peirson 1921-3-20 4175 Riverside Andreas Canyon near Palm Springs 213 Comment
  UCD80948  Eschscholzia minutiflora Chuck Hughes 2009-3-24 67 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 268 Comment
  RSA0023136  Eschscholzia minutiflora Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  RSA0123114  Eschscholzia papastillii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9021 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA0023223  Eschscholzia papastillii P. A. Munz, D. D. Keck 1922-4-9 4876 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 457 Comment
  CAS-BOT-BC419637  Eschscholzia parishii D. E. Breedlove 1962-3-11 1883 Riverside Pocket of Cat Creek wash, 3 miles southwest of Palm Desert 426 Comment
  CAS-BOT-BC419647  Eschscholzia parishii Richard Snow 1952-4-14 11 -4 Riverside Road to Morongo Valley, 7.8 miles from junction with Highway 99/60/70 Comment
  GMDRC2593  Eschscholzia parishii J. Andre, T. La Doux 2008-3-21 8837 Riverside Little San Bernardino Mountains: Joshua Tree National Park: lower Wilson Wash along NE side of paved road 33 deg. 56.542' N 115 deg. 58.266' W. Elev. 2797 ft. 853 Comment
  JEPS51694  Eschscholzia parishii W. L. Jepson 1927-4-12 11668 a Riverside Painted Canyon; Mecca Hills 76 Comment
  UC1093128  Eschscholzia parishii Richard Snow 1952-4-13 7 Riverside Box Canyon Orocopia Mts. Comment
  UC855179  Eschscholzia parishii C. L. Hitchcock 1940-3-29 5861 Riverside ca 100 yd e Spring; Cottonwood Canyon Comment
  UC1608065  Eucalyptus camaldulensis A. C. Sanders 1985-12-28 5965 Riverside between Mira Loam and Pedley (along Wineville Rd., ca. 1/4 mi. n. of Limonite Ave.) 213 Comment
  UC1608084  Eucalyptus camaldulensis A. C. Sanders and B. Pitzer 1986-2-10 BG- 27 Riverside in Myrtle section U.C. Riverside Botanical Garden (Grid cell K-6) 396 Comment
  RSA715758  Eucrypta chrysanthemifolia A. C. Sanders 2005-4-22 29604 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  SEINET272340  Eucrypta chrysanthemifolia A. C. Sanders, G. Waines; B. Ehdai. 1997-3-12 19900 Riverside Lake Skinner area: upper Rawson Canyon 2.5 mi. NE of Skinner Lake 1 mi. SW of Crown Valley 595 Comment
  UCR251310  Eucrypta chrysanthemifolia T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7425 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  SEINET2445417  Eucrypta chrysanthemifolia var. chrysanthemifolia Daphne K. Christopher, Hannah Stevens 2003-4-4 90 Riverside Uc Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  UC20222  Eulobus californicus Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  SJSU13061  Euonymus occidentalis var. parishii C. W. Sharsmith 1945-8-28 5450 Riverside Indian Cr Canyon, Mt San Jacinto 1828 Comment
  SD136852  Euphorbia albomarginata Steve Boyd, Tim Ross 1992-6-10 7638 Riverside So. Santa Ana Mountains, San Mateo Canyon Wilderness Area; San Mateo Canyon nr. 'Potrero Escondido', isolated area of low relief topping the ridge system due W of the junction of Tenaja Rd & Los Alamos Rd @ join of Los Alamos Ck. W/main trunk San Mateo Ck 669 Comment
  CAS-BOT-BC334201  Euphorbia heterophylla O. F. Clarke 2005-9-24 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 351 Comment
  RSA0041945  Euphorbia jaegeri Duncan S. Bell, Loraine Washburn 2014-4-9 6590 Riverside Orocopia Mountains; northeast section of range; approximately 3.75 air miles south of Hayfields Lake. 551 Comment
  UCR130871  Euphorbia nutans A. C. Sanders, K. C. Rose 1999-5-28 22792 Riverside Coachella Valley, between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10 18 Comment
  RSA614240  Euphorbia ophthalmica A. C. Sanders 1994-11-8 15864 Riverside Sonoran (Colorado) Desert Coachella Valley, Palm Desert. Weeds in lawns & flower beds along a commercial strip on Hwy 111 between Hwy 74 and Sage Lane. 46 Comment
  UCR264244  Euphorbia polycarpa A. C. Sanders, Jim Malusa 2015-9-10 41852 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  UCR4218  Euphorbia polycarpa K. S. Gill 1965-4-17 s.n. Riverside San Bernardino Mtns./ Sonoran (Colorado) Desert, Whitewater Canyon, 4 miles north of Hwy 60 610 Comment
  UCR28986  Euphorbia setiloba A. C. Sanders 1982-12-19 3452 B Riverside Sonoran (Colorado) Desert, foot of Santa Rosa Mtns, Coachella Valley, south side of the ridge forming the south boundary of Martinez Canyon; west end of Ave 74, 2.6 miles west of Polk Street 122 Comment
  UCR5297  Euphorbia setiloba O. F. Clarke 1966-10-5 661005- 04 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  SD143859  Eustoma exaltatum A. C. Sanders, C. L. Sanders, S. White 1994-10-9 15811 Riverside San Bernardino Mountains:Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell, in wet soil near spring 550 Comment
  CAS-BOT-BC459218  Euthamia occidentalis J. Ewan 1931-10-3 5214 Riverside Along Santa Ana River, 9 mi. NW of Corona Comment
  CAS-BOT-BC428029  Fabaceae L. Nye; G. Gust 2005-3-11 56 Riverside Lake Elsinore. Ca. 2 miles SW of intersection of I-15 and Rt. 74. Hotel parking lot on Auto Center Dr. 399 Comment
  SEINET955801  Fabaceae F. A. Thackery 1927-1 a- 275 Riverside Banning, heights Comment
  SEINET8720621 Image available Fagonia chilensis Helen K. Sharsmith 1952-1 4062 Riverside Larrea-Olneya association. Northwest base of Chuckawalla Mountains seven miles south of Highway 60-70. 533 Comment
  CAS-BOT-BC167368  Fagonia laevis H. M. Hall 1905-4-1 5806 Riverside 10 miles west of Coachella. Colorado Desert 152 Comment
  JEPS20778  Fagonia laevis Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13236 Riverside 11.3 mi n Blythe (U.S. Highway 95); Big Maria Mts. Comment
  POM128657  Fagonia laevis M. French Gilman 1927-5-22 s.n. Riverside Corn Springs, Chuckwalla Mts. Comment
  RSA391189  Fagonia laevis Christopher Davidson 1979-4-4 7705 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  RSA391195  Fagonia laevis J. Jones, Christopher Davidson 1980-4-4 9949 Riverside West end of the Orocopia Mts. in a small canyon and wash almost due south of Oro Peak. Comment
  SD107800  Fagonia laevis Barry Prigge, L. Martinez 1978-3-23 2428 Riverside NW Colorado Desert, 1.2 miles E of Sky Valley, near Dillon X Skyridge Roads 1100 Comment
  UC1595750  Fagonia laevis W. Wisura, J. Dolan, M. Wall 1992-3-24 4642 Riverside on road to Corn Spring (5.6 mi s of I-10) Comment
  SD128675  Fagonia pachyacantha Darley F. Howe 1980-4-16 Riverside 4 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 334 Comment
  CAS-BOT-BC56788  Ferocactus cylindraceus Alice Eastwood 1913-4-30 3091 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR101440  Festuca microstachys A. C. Sanders 1997-4-10 20333 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR23321  Festuca microstachys John C. Roos 1952-4-2 5464 Riverside Box Springs Mtns, Box Springs grade east of Riverside. 427 Comment
  UCR100166  Festuca myuros Scott D. White 1993-3-3 1086 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR137694  Festuca myuros var. myuros D. L. Banks, V. W. Steinmann 1997-3-13 1481 A 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
  UCR228881  Festuca octoflora A. C. Sanders 2011-4-6 38997 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
  SEINET8043951 Image available Ficus carica A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-1 41553 Riverside Peninsular Range: Eeastern Foot of the Santa Ana Mtns: Temescal Valley jsut below I-15 bridge near Hostettler Road, Se of Lee (Corona) Lake, south side of I-15, 2.17 km west of Lake St. at Alberhill. 363 Comment
  RSA393736  Filago depressa Robert Gustafson 1983-3-27 2480 Riverside Dry, rocky canyon just southwest of Lake Cahuilla Comment
  SEINET235177  Filago gallica A. C. Sanders 1997-4-10 20316 Riverside Tucalota Hills E of Lake Skinner (Bachelor MTn. 7.5' Q.). 701 Comment
  UCR98675  Filago gallica S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  CDA5867  Flaveria trinervia Lew Davis 1977-12-15 Riverside 1 mile north of Freeway 91, west side of McKinley Street, Corona. 0 Comment
  UCR41846  Fouquieria splendens A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6090 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA750122  Fouquieria splendens subsp. splendens Duncan S. Bell, Amanda Turek 2009-3-30 175 Riverside South side of the Arica Mountains, within the Palen/McCoy Wilderness area. 333 Comment
  UC19171  Fouquieria splendens subsp. splendens H. M. Hall 1902-4-11 2789 Riverside Coyote Canyon Colorado Desert (w borders of Colorado) 152 Comment
  RSA489133  Frangula californica subsp. cuspidata Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  RSA752294  Frankenia salina Scott D. White 2009-8-10 13349 Riverside Temescal Valley: City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  UCR180051  Frankenia salina Mitch Provance 2005-5-18 9803 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  SDSU7117  Frasera parryi D. F. Howe 1936-6-14 364 Riverside San Jacinto Mountains. Comment
  LA50896  Fraxinus dipetala Carl Epling; 1943-3-27 sn Riverside 4 mi. W of Elsinore, on Ortega Highway Comment
  UCR119846  Fraxinus velutina T. P. Krantz, K. Berg 1978-1 s.n. Riverside San Jacinto Mtns., Mellor Creek, near confluence of Mellor Creek and Indian Creek, up the creek c. 50 m from FS road 4S10 Comment
  RSA501076  Fritillaria biflora Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3194 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  JOTR36473  Funastrum hirtellum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3441 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  RSA0104489  Galium angustifolium Duncan S. Bell 2015-9-30 8666 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UCR131830  Galium angustifolium Jennie Phui 1998-5-30 039 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
  JEPS56075  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-1-21 4177 Riverside Hwy 79 10.1 mi s Hemet (e-facing slope in hills) Comment
  POM50549  Galium angustifolium subsp. angustifolium H. M. Hall 1901-07 2509 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  RSA27806  Galium angustifolium subsp. angustifolium C. Leo Hitchcock 1940-4-12 6039 Riverside 8 mi. northwest of Elsinore 457 Comment
  LA208473  Galium angustifolium subsp. gracillimum Martha Hilend; 1930-6-27 612 Riverside Santa Ana River, near Leven lake Comment
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Mar 9 2014
  RSA500216  Galium angustifolium subsp. gracillimum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3527 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA609659  Galium angustifolium subsp. jacinticum R. S. Woglum 1937-5-22 509 c Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  RSA761272  Galium angustifolium subsp. jacinticum Shawn Krosnick, Lucinda A. McDade, Naomi S. Fraga 2010-8-14 672 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  POM367765  Galium aparine N. C. Cooper 1944-5-21 1236 Riverside San Jacinto Mountains, West side 915 Comment
  SDSU13997  Galium aparine Michael G. Simpson 2000-4-30 2084 Riverside Edge of wash, adjacent to mixed chaparral, ea. 100 feet east of Southside field station (Henderson House), Santa Margarita Ecological Reserve (SDSU). 122 Comment
  UCD121711  Galium aparine E. W. Lathrop 1982-8-5 s.n. Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland Nat'l Forest, Trabuco District. 274 Comment
  RSA701506  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot 2004-7-8 1301 Riverside On Chimney Flats Road (5S06) near intersection of 5S04 (the road to Alvin Meadows). 1524 Comment
  UC1324393 Image available Galium californicum subsp. primum Lauramay T. Dempster and C. Hardham 1965-6-18 4133 Riverside on road to Alvin Meadow (from Idyllwild); ; Riverside Co. Comment
  RSA612370  Galium nuttallii D. L. Banks, Joe Moreno 1997-2-5 1252 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  RSA276587  Galium porrigens L. T. Dempster, G. Ledyard Stebbins 1967-3-19 4332 Riverside Just north of county line, south of Temecula. Comment
  JEPS52943  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4240 Riverside Poppet Flat San Jacinto Mts. (at Keyes Drive) 1097 Comment
  SD70518  Galium porrigens var. porrigens Lauramay T. Dempster, G. Ledyard Stebbins 1966-6-17 4243 Riverside Red Hill Road, 0.9 mile north of Alvin Meadows, San Jacinto Mountains 1661 Comment
  RSA1523  Garrya veatchii B. D. Stark 1930-3-18 1490 Riverside Mt. San Jacinto Comment
  RSA690934  Gastridium phleoides Scott D. White, Michael Honer 2003-5-27 9414 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  RSA762000  Gayophytum diffusum subsp. parviflorum Patrick Garrett, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 84 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA789237  Gayophytum diffusum subsp. parviflorum Naomi S. Fraga 2008-8-28 2608 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  UCR39544  Gayophytum diffusum subsp. parviflorum A. C. Sanders 1980-8-21 1781 Riverside San Jacinto Mountains, Mt. San Jacinto Wilderness Area. east of Saddle Junction at the head of Tahquitz Creek, c. 2 mi NE of Idyllwild 2409 Comment
  RSA645538  Gazania linearis Scott D. White 1995-7-7 3461 Riverside San Bernardino Basin: City of Riverside, Market St. crossing at [Sta] Ana Riv[er] 244 Comment
  UCR92036  Gazania linearis Scott D. White 1995-7-7 3461 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  CAS-BOT-BC303570  Geraea canescens N. Aitkenhead 1977-1-31 2117 Riverside 6 miles W of junction of 1000 Palms Canyon Rd Comment
  CAS-BOT-BC303573  Geraea canescens Alice Eastwood 1913-4-30 3056 Riverside Palm Springs Comment
  CAS-BOT-BC303588  Geraea canescens C. L. Hitchcock 1940-4-4 5946 Riverside Pinto Basin Comment
  CAS-BOT-BC303608  Geraea canescens H. M. Hall 1905-4-1 5866 Riverside Chuckawalla Bench Comment
  RSA780572  Geraea canescens Stephanie Rockwood, Christi Gabriel 2011-11-1 194 Riverside Pallen Dunes Road, Ford Dry Lake area. I10 exit 217. Chuckwalla Valley. 107 Comment
  UC88703  Geraea canescens S. B. and W. F. Parish 1882-4-1 Riverside Agua Caliente Comment
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Nov 24 2011
  UCR166007  Geraea canescens Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR174433  Geranium robertianum A. C. Sanders, T. B. Salvato 2006-5-4 32247 Riverside Riverside, UCR campus, weeds in botanical garden 351 Comment
  JEPS69449  Gilia angelensis Dr. L. M. Newlon 1922-4-3 433 f Riverside Andreas Canyon San Jacinto Mts., Andreas Canyon Comment
  POM293649  Gilia angelensis Lyman Benson 1946-4-15 12029 Riverside 2 miles east of Banning, Colorado Desert. 609 Comment
  RSA605202  Gilia angelensis A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al. 1995-3-19 16171 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
  UC1979549  Gilia angelensis Darin L. Banks, Steve Boyd 1995-5-9 413 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. Area, W of Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UCR177945  Gilia angelensis Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 027 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  RSA171354  Gilia diegensis J. D. Olmsted 1962-5-3 3520 Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  JEPS24414  Gilia latifolia Peter M. Ray 1949-3-12 1385 a Riverside e Mecca (Painted Canyon); Orocopia Mountains, , e of Mecca Comment
  RSA771781  Gilia modocensis Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5034 -b 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
  RSA0017096  Gilia ochroleuca subsp. exilis Steve Boyd, Valerie Soza 2004-6-22 11537 Riverside Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  RSA0083764  Gilia ochroleuca subsp. exilis Scott D. White, Tasha La Doux 2000-4-20 7698 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA0096811  Gilia ochroleuca subsp. exilis Duncan S. Bell, Andrew Chambers 2015-3-12 7787 Riverside San Gorgonio Wilderness area; Whitewater River; about 1.5 air miles northwest of Red Dome. 917 Comment
  JOTR30792  Gilia stellata La Doux, Tasha 2008-2-4 1753 Riverside Joshua Tree National Park. Hexie Mountains, Porcupine Wash, Stop 2. 778 Comment
  JOTR35058  Gilia stellata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3510 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  UC68723  Gilia stellata H. M. Hall Apr., 1905 5790 Riverside 10 mi w Indio (Colorado Desert); , w of Indio 30 Comment
  UC809710  Gilia stellata Philip A. Munz 1949-4-13 13043 Riverside above Cottonwood Springs (w end Eagle Mts., Colorado Desert); Colorado Desert, w end Eagle Mts., Cottonwood Springs 1097 Comment
  POM358936  Gnaphalium californicum N. C. Cooper 1944-6-4 1367 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  RSA519247  Gnaphalium chilense Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  RSA691032  Gnaphalium luteoalbum A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24603 Riverside Mojave Desert, Little San Bernardino Mtns.: Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1341 Comment
  UCR104899  Gnaphalium luteoalbum A. C. Sanders 1997-3-19 20040 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  RSA505033  Gnaphalium microcephalum Ed LaRue 1989-7-4 s.n. Riverside SSW of Temecula, W side of Calle Cuesta, 1 mile airline W of Hwy 15 and 1.5 miles airline S of Rancho California Road. 396 Comment
  JOTR34350  Gnaphalium palustre Harding, Mitzi 2012-6-19 20 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Barker Dam 1304 Comment
  UC485697  Gnaphalium palustre Katharine Brandegee 1906-1 Riverside near Riverside; Wilders Ranch Comment
  UCR37617  Gnaphalium palustre George K. Helmkamp 1984-5-2 D- 21 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCR172148  Gnaphalium stramineum A. C. Sanders 2006-5-11 32266 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UCR174350  Gnaphalium stramineum A. C. Sanders 2006-5-19 32393 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA524440  Guillenia lasiophylla Steve Boyd, L. Arnseth, J. Bonilla, Tim Ross 1990-4-3 4056 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end. 793 Comment
  RSA613651  Guillenia lasiophylla D. L. Banks, Victor Steinmann 1997-3-13 1468 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  POM96188  Guillenia lasiophylla Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  UCR245800  Gutierrezia californica A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40962 Riverside Peninsular Range, Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 deg. ) of Round Top Mtn. 770 Comment
  OBI16356  Gutierrezia sarothrae Robert F. Hoover 1966-10-15 10172 Riverside Dead Indian Canyon Comment
  RSA304952  Gutierrezia sarothrae E. R. Hobbs 1978-7-17 78 -118 Riverside Creek banks, Avery Canyon, betw Santa Rosa Hills and Polly Butte, N side of Gibbel road, S of Hemet Comment
  RSA318860  Gutierrezia sarothrae M. A. Lane 1982-10-13 s.n Riverside 34.5 km/21.6 miles E of Kern Cam summit of the San Jacinto Mtns on Hwy 74. 1220 Comment
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Jul 14 2013
  RSA561421  Gutierrezia sarothrae Steve Boyd, Tim Ross, D. Bramlet 1992-9-9 7688 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  SDSU13560  Gutierrezia sarothrae W. Miller, C. Mosse Riverside Comment
  UCR163886  Haplopappus acradenius B. G. Pitzer 2001-11-4 4351 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  RSA650133  Haplopappus linearifolius J. Bruce Smiley 1940-3-16 s.n. Riverside Whitewater. 762 Comment
  UCR67365  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3920 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  RSA0066625  Harpagonella palmeri Steve Boyd 1986-3-9 1399 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 367 Comment
  UCR1443  Hedypnois cretica Joyce Kleinjan 1961-4-23 s.n. Riverside San Bernardino Valley, Riverside, west border of 1012 Spruce St., 150 ft. south of street [O.F. Clarke residence] 351 Comment
  UC32213  Helenium bigelovii H. M. Hall 1901-7-17 2461 Riverside Tauquitz Valley San Jacinto Mountains 2560 Comment
  RSA557362  Helianthus annuus subsp. lenticularis Julie Greene 1993-6-11 1328 Riverside North of new pond. 441 Comment
  UCR21849  Helianthus annuus subsp. lenticularis 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
  RSA788961  Helianthus gracilentus R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49536 Riverside Santa Ana Mountains: along Ortega Highway (74) Comment
  UCR89767  Helianthus gracilentus Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 89767 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
  RSA450746  Helianthus niveus subsp. canescens J. C. Roos 1962-4-3 s.n. Riverside Palm Springs Airport. 121 Comment
  POM360099  Helianthus tuberosus Nellie V. Haynie 1929-6-22 1527 Riverside Railroad track. Comment
  UCR126935  Heliotropium curassavicum Julie A. Greene 1993-5-12 1319 Riverside San Jacinto Valley, San Jacinto Wildlife Area, SE end of visitor center road, east of Davis Road 436 Comment
  UCR150021  Heliotropium curassavicum Scott D. White, Angelia Carey 2004-5-7 10345 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR82242  Heliotropium curassavicum J. M. Stewart 1994-5-2 862 Riverside Western Colorado Desert, Coachella Valley, Thermal. Tyler St. and Airport Blvd. Comment
  CAS-BOT-BC540729  Heliotropium curassavicum var. oculatum Sarah J. De Groot; Amy Rouillard 2015-9-15 7558 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  RSA343882  Hemizonia fasciculata R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60655 Riverside Santa Rosa Plateau: Mesa de Colorado. 625 Comment
  SEINET2052675 Image available Hemizonia fasciculata Steven J. Southwell 1971-5-25 Riverside E. side of Pidgeon Pass Rd. approx. 3 miles N of Hwy 74. 609 Comment
  UCR260553  Hemizonia fasciculata T. B. Salvato, Matt Malle 2014-5-29 8017 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  POM12000  Hemizonia kelloggii Mary F. Spencer 1921-5-29 1192 Riverside San Jacinto 549 Comment
  RSA94101  Hemizonia kelloggii R. S. Woglum 1937-5-22 12339 Riverside Temecula. Comment
  RSA614685  Hemizonia mohavensis A. C. Sanders, Schram, D. Wappler 1994-10-4 15775 Riverside San Jacinto Mts.: N slope of the mts.; nameless tributary of Azalea Creek ca. 1 mile due S of the Twin Pines Ranch building. 1128 Comment
  RSA614690  Hemizonia mohavensis A. C. Sanders, Wappler 1994-10-6 15789 Riverside San Jacinto Mts. N slope : S side of Twin Pines Road just W of the entrance to Twin Pines Ranch. 1067 Comment
  UCR82813  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15769 Riverside San Jacinto Mtns., N slope of mtns.; Twin Pines Creek in vicinity of confluence w/ Brown Crk. & of the dirt road crossing 854 Comment
  RSA683228  Hemizonia paniculata Scott D. White 2003-12-1 9892 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  UCR182425  Hemizonia paniculata Mitch Provance, A. Montalvo 2005-5-12 6701 Riverside Granitie Knolls and Mesas of Riverside, Riverside (Prenda area), land bordering the E side of Washington and the north side of Hermosa St. 335 Comment
  UCR201877  Hemizonia paniculata Justin M. Wood 2008-9-22 166 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCR235056  Hemizonia paniculata A. C. Sanders, John F. Green 2012-5-27 40202 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, cleared area under powerlines east of I-15, N of McLaughlin Rd. and west of Trumble Rd. 436 Comment
  UCR110917  Hemizonia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22816 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR166800  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2004-8-27 04- 397 Riverside N of La Sierra Heights; NE (c. 1 mi) off Arlington Avenue, along dirt access road to Hidden Valley Wildlife Reserve 207 Comment
  RSA0073109  Hesperocallis undulata Jim Andre 2013-3-27 24801 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 241 Comment
  RSA1909  Hesperocallis undulata B. D. Stark 1931-4-27 1090 Riverside 2.0 miles east of Mecca. Alt. below sea level. Comment
  CAS-BOT-BC508659  Hesperocallis undulata Lester Rowntree 1937-3-23 s.n. Riverside Coachella Valley near Hidden Springs Comment
  UCR155166  Hesperocnide tenella A. C. Sanders 2005-5-4 29851 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR241929  Hesperocnide tenella A. C. Sanders, John F. Green 2013-3-27 40688 Riverside Peninsular Range, Alberhill, along Lake St. near the old clay mines, 1.16 km south of I-15 Fwy 388 Comment
  RSA543839  Hesperolinon micranthum Steve Boyd, Orlando Mistretta 1991-5-22 6306 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA0075890  Heterotheca grandiflora Scott D. White, Angelia Carey 2004-6-4 10469 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence w/ San Jacinto River. Uplands around former homestead area SE of creek. 579 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
  CLARK-A1528-3225  Hibiscus denudatus John C. Roos 1949-3-19 4103 Riverside Orocopia Mountains Comment
  RSA449945  Hibiscus denudatus J. C. Roos 1958-2-22 s.n. Riverside 2 mi SE of Desert Center Comment
  UC56292  Hibiscus denudatus F. Gilman 1902-1 28 Riverside Palm Springs Comment
  UCR74358  Hibiscus denudatus Theo Glenn 1991-4-30 91- 56 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  UCD90074  Hilaria rigida William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UC68503  Hoffmannseggia glauca E. E. Schellenger 1905-4-18 Riverside Palo Verde Valley; Colorado Desert Comment
  UCR33610  Hoffmannseggia glauca Sears 1977-10-12 S- 583 Riverside Sonoran (Colorado) Desert, 20 mi. east of Desert Center, 10 mi. east of Corn Springs exit 134 Comment
  CAS-BOT-BC206102  Hoffmannseggia microphylla D. A. Johansen; J. A. Ewan 1932-4-12 7105 Riverside Devils Canyon above Coachella Valley, Colorado Desert 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-BC207565  Hoffmannseggia microphylla Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well, Colo Desert Comment
  RSA192094  Holocarpha virgata subsp. elongata E. W. Lathrop 1965-9-22 6025 Riverside 8 miles W of Murrieta Comment
  CAS-BOT-BC285035  Hordeum depressum Philip A. Munz 1937-3-27 14936 Riverside Overflow from Lake Elsinore, Elsinore 304 Comment
  UCR199636  Hordeum depressum Scott D. White, Justin M. Wood 2008-4-3 11804 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UCR280992  Hordeum depressum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 84 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  UCR191539  Hordeum intercedens A. C. Sanders 2008-4-15 34886 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 391 Comment
  UCR266826  Hordeum intercedens D. E. Bramlet, M. Tucker, T. Huntley 2005-6-14 3880 A Riverside San Jacinto Valley, Bloome property, 540 m north of San Jacinto River, 3150 m east of Davis Rd. at San Jacinto Wildlife Area, south of Mystic Lake Duck Club 433 Comment
  UCR269908  Hordeum intercedens D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3669 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  UCR117386  Hordeum marinum A. C. Sanders, T. B. Salvato 2001-5-25 24392 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UCR114964  Hordeum marinum subsp. gussoneanum Fred M. Roberts 1992-4-25 4877 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  RSA775093  Hordeum murinum subsp. glaucum Duncan S. Bell, Amber Swanson 2011-2-18 2037 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  RSA614126  Hordeum murinum subsp. leporinum D. L. Banks 1997-2-23 1293 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  UCR182858  Hordeum murinum subsp. leporinum Mitch Provance 2001-4-21 2976 E Riverside San Bernardino Valley, Sunnyslope, west side of Sierra Blvd., along sidewalk adjacent to the golf course 335 Comment
  UC555295  Horkelia cuneata subsp. puberula H. L. Mason 1926-5-2 3206 Riverside Temecula Valley Comment
  RSA304587  Horsfordia newberryi A. C. Sanders 1982-12-19 3452 Riverside Coachella Valley at the foot of the Santa Rosa Mountains, south side of the ridge forming the southern boundary of Martinez Canyon; west end of Ave74, 2.6 miles west of Polk Street. 122 Comment
  SBBG68137  Hosackia oblongifolia var. oblongifolia R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns Comment
  UC897987  Hulsea vestita subsp. callicarpha P. A. Munz 1922-9-7 6405 Riverside above Tamarack Valley; San Jacinto Mountains 3048 Comment
  RSA770447  Hymenoclea salsola Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4559 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA796456  Hymenoclea salsola Duncan S. Bell 2009-4-18 220 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  JOTR30094  Hymenoclea salsola var. salsola La Doux, Tasha, Alice Miller 2007-5-8 1735 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common. 1385 Comment
  RSA66566  Hymenolobus procumbens F. W. Peirson 1921-4-11 2398 Riverside Murray Canyon. Palm Springs region. Comment
  JEPS44381  Hymenopappus filifolius var. lugens Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4259 Riverside 1 mi se Toro Peak ridge; Santa Rosa Mts. 2286 Comment
  POM12866  Hymenopappus filifolius var. lugens P. A. Munz 1922-6-29 s.n. Riverside Santa Rosa Mountains: Santa Rosa. 2134 Comment
  POM122539  Hypericum formosum var. scouleri Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA458248  Hypericum formosum var. scouleri M. B. Dunkle 1933-7-20 3711 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA740240  Hypericum formosum var. scouleri Scott D. White, Justin M. Wood 2008-7-8 12369 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA85119  Hypochaeris glabra J. C. Roos 1952-4-30 5611 Riverside Hills between Camp Haan and Riverside 518 Comment
  JEPS63226  Hyptis emoryi W. L. Jepson 1912-10-30 5250 Riverside Black Point Colorado River, , Black Point (Riverside Mts.) 88 Comment
  JOTR16727  Hyptis emoryi Walters, Jim 1967-4-30 s.n. Riverside Joshua Tree National Park. LOWER WILSON CANYON Comment
  UC883107  Hyptis emoryi N. Dunn and A. M. Martin 1932-3-26 Riverside Box Canyon Comment
  UCD124921  Hyptis emoryi B. Pitzer 1998-1-24 3405 Riverside N foot of Chuckwalla Mts, Eagle Mtn Rd on S side of Hwy I-10, ca. 0.8 mi. S of Hwy at powerline rd, and wash directly south of road. 499 Comment
  RSA0056404  Hyptis emoryi James R. Shevock 1970-12-12 557 Riverside Box Canyon, Hwy. 195. 219 Comment
  SEINET10836949  Hyptis emoryi David B. Dunn 1948-1-25 Dunn 3633 Riverside Found near quad 6 on the berkeley campus. Pushawalla canyon, indio hills of the colorado desert; w of indio Comment
  RSA48869  Imperata brevifolia J. C. Roos 1949-9-17 4655 Riverside 1 mile west of Whitewater Bridge along Hwy 99 396 Comment
  CDA8022  Isocoma acradenia var. eremophila G. D. Barbe 1973-10-19 1734 Riverside Coachella Water District Canal, west end of Airport Road, north of Lake Cahiuilla County Park, west of Thermal. 0 Comment
  UC891887  Isocoma acradenia var. eremophila Carl B. Wolf 1932-10-13 Riverside 4.5 mi se Mecca (Caleb (S.P.R.R. siding)); Colorado Desert -60 Comment
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Jul 16 2015
  SEINET1908668  Isocoma menziesii A. C. Sanders, D. L. Sanders 2008-1 36101 Riverside San Bernardino Valley Region: Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c, 1 mile NEW of River Rd. bridge (Cornona North 7.5') Comment
  SDSU13569  Isocoma menziesii var. vernonioides W. Miller 1972-8-25 Riverside Northwest cornerr along roadside in coastal sage. Comment
  UC987813  Ivesia saxosa Reid Moran 1941-5-5 846 Riverside e of Quail Spring; Joshua Tree National Monument 1300 Comment
  UCD51330  Jarava speciosa Fred M. Reed 1920-5-10 4489 Riverside Colorado Desert, Murray Canyon. 426 Comment
  UCR114749  Juglans californica A. C. Sanders, K. C. Rose 1999-6-18 22803 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  UCR18881  Juglans californica John C. Roos 1952-6-25 5789 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  SD240767  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37150 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River (Riverside West 7.5'Q) 238 Comment
  SD241063  Juglans hindsii R. E. Riefner Jr. 2011-9-10 11 126 Riverside Santa Ana Canyon, end of Green River Road, near entrance to Green River Golf Course. 124 Comment
  UCR106732  Juncus balticus John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  POM14373A  Juncus bryoides Phillip A. Munz 1922-5-20 5473 Riverside Kenworthy, San Jacinto Mountains 1433 Comment
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May 29 2011
  RSA247275  Juncus bufonius G. D. Wallace, D. H. Wilken 1966-7-3 650 Riverside San Jacinto Mountains near Idyllwild, Strawberry Meadows. 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
  UCR110922  Juncus bufonius A. C. Sanders, K. C. Rose 1999-6-18 22825 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR116993  Juncus bufonius A. C. Sanders, T. B. Salvato 2001-5-3 24100 B Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR132827  Juncus dubius A. C. Sanders, Steve Boyd, Jeff Ross, , Mitch Provance 1998-10-25 22274 Riverside San Jacinto Mtns., Hwy 74, roadside seep c. 2 miles below (west of) Mountain Center 1250 Comment
  UCR151038  Juncus effusus subsp. austrocalifornicus Scott D. White 1998-7-31 6957 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  SBBG57288  Juncus macrophyllus R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  CDA33225  Juncus rugulosus S. Munhall 1957-7-18 Riverside Cleveland National Forest, high rocky ridge. 0 Comment
  RSA707987  Juncus textilis Scott D. White, Angelia Carey 2004-5-7 10349 Riverside Indian Creek and adjacent foothills. 549 Comment
  UCR170123  Juncus xiphioides Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 109 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  UCR174240  Juncus xiphioides A. C. Sanders, T. B. Salvato 2006-6-2 33079 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR201869  Juncus xiphioides Justin M. Wood 2008-9-30 179 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  CAS-BOT-BC234580  Justicia californica J. H. Thomas 1949-2-28 59 Riverside Southern part of Palm Springs Comment
  CAS-BOT-BC234583  Justicia californica Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well Comment
  RSA11524  Justicia californica N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Shavers Well Comment
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May 24 2012
  RSA398815  Justicia californica Robert M. Perkins, H. de Forest 1937-3-15 387 Riverside 20 miles east of Desert Center. Comment
  UCR29942A  Justicia californica Melissa Luckow, Rhonda Riggins 1982-4-14 815 Riverside Sonoran (Colorado) Desert, Pinto Basin Road [Cottonwood Springs Road], 2.3 mi southeast of Cottonwood Visitor Center, 4.4 mi north of junction with Hwy I-10 793 Comment
  UCSB6232  Justicia californica Haller, John 1960-4-2 Riverside North side of U.S. 60-70 miles W. of the south enterance road to Joshua Tree National Monument about 22 miles east of Indio 487 Comment
  CAS-BOT-BC235501  Keckiella antirrhinoides Annie M. Alexander; Louise Kellogg 1941-5-23 s.n. Riverside Mouth of Canyon, north face Eagle Mts. 1158 Comment
  RSA293252  Keckiella antirrhinoides D. C. Michener 1980-5-8 3660 Riverside San Bernardino NF Bee Canyon: canyon bottom and slopes with Quercus, Heteromeles, Adenostoma, Salvia, etc. 600 Comment
  RSA401735  Keckiella antirrhinoides M. M. Thompson 1947-6-9 C- 2077 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  NY786537  Keckiella antirrhinoides var. antirrhinoides F. W. Pennell 1940-4-28 25290 Riverside Route 74, below Ribbonwood, east of San Jacinto Range 1402.1 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
  UCR119859  Keckiella rothrockii subsp. jacintensis Heidi West 2000-7-20 s.n. Riverside San Jacinto Mtns., Hidden Lake Divide, 0.2 mi. ESE of Divide Peak and c. 0.15 mi. SW of the W edge of Hidden Lake, just east of trail from Long Valley to Willow Creek 2659 Comment
  CAS-BOT-BC246223  Keckiella ternata subsp. ternata H. M. Hall 1901-8-1 2634 Riverside Vicinity of Chalk Hill, San Jacinto Mountains 1584 Comment
  UC1132132  Koeleria macrantha H. S. Yates 1937-6-27 6714 Riverside near Idlewild; San Jacinto Quad., near Idlewild Comment
  CAS-BOT-BC61437  Krameria bicolor Carl B. Wolf 1932-4-27 2986 Riverside Colorado Desert. 14 mi. E. of Mecca, on Blythe Road (E. of Shavers Well) 152 Comment
  RSA457794  Krameria erecta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2204 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  SD84902  Krameria erecta Nancy Ryan Zabriskie, Walter Zabriskie 1972-4-9 514 Riverside Northwest of Highway 74; Deep Canyon drinage, Santa Rosa Mountains. 1219 Comment
  RSA408602  Krameria grayi Jack Rempel 1932-11-13 16121 Riverside 6 miles up Palm Wash Comment
  UC1929907  Lactuca serriola Scott D. White, Angelia Carey 2004-7-2 10572 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  SD178133  Laennecia coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile southeast of Alberhill. Margins of muddy pool in old clay pit. Around high water line of pool and in upper parts of dried bed. 438 Comment
  UCR3227  Lantana montevidensis V. L. McFarland 1964-3-27 640327- 3 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, residential garden west of 3356 Utah Avenue Comment
  CAS-BOT-BC166018  Larrea tridentata W. R. Dudley 1903-12-30 s.n. Riverside Desert three miles below Thousand Palms Comment
  RSA390005  Larrea tridentata Albert J. Perkins 1916-4-16 s.n. Riverside Desert near Palm Springs. Comment
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Aug 27 2011
  UCR196388  Larrea tridentata Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1444 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  UCR214417  Larrea tridentata A. C. Sanders, Richard Dwerlkotte 2010-3-22 37501 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  RSA359852  Lastarriaea coriacea Steve Boyd 1986-4-2 1634 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  CAS-BOT-BC338910  Lasthenia californica Steve Boyd 1986-4-2 1614 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  CAS-BOT-BC338913  Lasthenia californica A. C. Sanders 1993-4-5 13694 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74) 460 Comment
  POM361517  Lasthenia californica E. Crow 1929-4-7 310 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  POM266308  Lasthenia coronaria J. C. Roos 1938-4-4 1630 Riverside La Sierra, Western Riverside County Comment
  UCR1204  Lasthenia coronaria Martha McCarthy 1960-3-20 s.n. Riverside Box Springs Mtns, University of California Campus, east side of hill west of road leading past the reservoir. Comment
  UCR91214  Lasthenia coronaria Scott D. White 1996-3-31 3865 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  CAS-BOT-BC328103  Lasthenia glabrata subsp. coulteri D. Bramlet 1995-5-5 2407 Riverside 7.5 km W of Lakeview and some 90 m SE of the intersection of the Ramona Expressway and Martin Road (Road to Lakeview Hot Springs). 435 Comment
  RSA596932  Lasthenia glabrata subsp. coulteri G. R. Ballmer 1996-4-14 s.n. Riverside Lake Elsinore area, S of I 15 along E side of Nichols Rd. Comment
  UCR241403  Lasthenia gracilis T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7450 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR90755  Lasthenia gracilis Scott D. White 1995-4-5 2741 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA680520  Lathyrus latifolius Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8633 -B Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR174612  Lathyrus vestitus Jennifer H. Jones 2006-6-6 386 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  RSA651394  Lathyrus vestitus subsp. alefeldii Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  POM229452  Lathyrus vestitus subsp. laetiflorus P. A. Munz 1937-5-30 15084 Riverside Northwest slope of Santa Rosa Mountain. 2134 Comment
  RSA1496  Lathyrus vestitus var. alefeldii J. T. Howell 1929-2-14 1233 Riverside Santiago Trail, above Glen Ivy Comment
  RSA586104  Lathyrus vestitus var. alefeldii D. L. Banks, S. D. Boyd 1995-4-5 0144 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, W of the Dripping Springs Trail. 646 Comment
  UC62895  Layia glandulosa W. L. Jepson May 17 1901-Jun 1 1901 1280 Riverside San Jacinto River Comment
  JOTR01271  Layia glandulosa Cole, James E. 1941-3-30 455 Riverside Joshua Tree National Park. COTTONWOOD SPRING WASH 762 Comment
  POM361706  Layia platyglossa subsp. campestris N. C. Cooper 1945-5-5 2251 Riverside San Gorgonio Mountains above Banning. 915 Comment
  RSA234058  Layia platyglossa subsp. campestris R. F. Thorne, E. W. Lathrop 1969-5-12 37946 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  RSA524597  Layia platyglossa subsp. campestris Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3912 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  UCR153379  Lepechinia cardiophylla Orlando Mistretta 1992-8-31 788 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Ana Mountains; Sierra Peak; Cleveland National Forest. Astragalus brauntonii survey 701 Comment
  UCR228828  Lepidium dictyotum var. dictyotum A. C. Sanders, T. B. Salvato 2011-4-4 38972 Riverside Peninsular Range, Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  SD247378  Lepidium fremontii Andy Sanders, Jim Malusa 2015-3-11 41394 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range. 722 Comment
  UC519844  Lepidium fremontii N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Springs Comment
  JOTR37452  Lepidium fremontii var. fremontii Hodges, Stephen, T. Green 2016-5-24 574 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  UCR244418  Lepidium fremontii var. fremontii Jim Andre 2012-4-16 20913 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
  SEINET3522865 Image available Lepidium lasiocarpum B. Pitzer 1998-1-24 3391 Riverside Sonoran (Colorado) Desert; N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road. 500 Comment
  UCR104029  Lepidium lasiocarpum George K. Helmkamp, E. A. Helmkamp 1998-2-18 2714 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  RSA678114  Lepidium lasiocarpum var. lasiocarpum V. Soza, J. M. Porter, Gary D. Wallace 2001-4-2 1089 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  UC1007186  Lepidium lasiocarpum var. lasiocarpum Philip A. Munz 1940-3-23 15687 Riverside n of Pinto Basin (n Riverside County); Mohave Desert 609 Comment
  RSA524603  Lepidium nitidum Steve Boyd, L. Arnseth, Timothy S. Ross 1990-3-29 3918 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA691984  Lepidium nitidum Scott D. White, Michael Honer 2003-4-2 8919 Riverside Alberhill area. North of the I-15 Freeway, on and near crest of unnamed mountain, 2349. 671 Comment
  UCR135814  Lepidium nitidum A. C. Sanders, Guy Bruyea 2004-4-2 27445 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
  UCR225451  Lepidium nitidum A. C. Sanders, T. B. Salvato 2011-3-28 38831 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  RSA575819  Lepidium virginicum var. robinsonii Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region , southern flank of the range along road in Arroyo del Torro. 609 Comment
  RSA586919  Lepidium virginicum var. virginicum D. L. Banks, S. D. Boyd 1995-5-3 254 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  SDSU13577  Lepidospartum squamatum W. Miller with C. Mosse 1972-8-9 Riverside Comment
  CAS-BOT-BC274377  Leptochloa panicea subsp. brachiata Malcom A. Nobs; S. Galen Smith 1948-9-3 489 Riverside 2 miles north of Indio Comment
  JOTR37465  Leptosiphon aureus subsp. aureus Hodges, Stephen, T. Green 2016-5-5 587 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Upper Covington Flats, southwest from parking area for Covington Crest trail, along the ridge crest (Stop 1) Comment
  RSA0103570  Leptosiphon floribundus subsp. floribundus Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8587 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  UCSB26904  Leptosiphon floribundus subsp. glaber Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs, Santa Rosa Mountains 2377 Comment
  POM13844  Leptosiphon lemmonii P. A. Munz 1922-4-28 5033 Riverside Temescal Canyon. Comment
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Apr 3 2011
  RSA356650  Leptosiphon liniflorus R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47303 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro: E side of Mesa 609 Comment
  RSA365944  Leptosiphon liniflorus Steve Boyd 1986-5-7 1850 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
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Apr 7 2011
  UC129472  Lesquerella tenella H. M. Hall 1905-4-22 5845 Riverside Canyon Springs , Canyon Springs (Colorado Desert) Comment
  UCR229518  Lessingia filaginifolia Jeremiah George 2011-9-8 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, Terra Cotta Rd. at Coal Ave, Warm Springs Valley 409 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
  UC1531098  Limnanthes gracilis subsp. parishii Tom Griggs and Earl Lathrop 1985-3-3 2 Riverside 1/4 mi below (e) vernal pool C3 (4 mi w of Murrieta); Santa Rosa Plateau, Preserve, Mesa de Colorado Comment
  RSA768238  Limonium perezii Justin M. Wood 2010-5-19 1843 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  UCR115943  Limonium sinuatum Mitch Provance 1998-6-11 674 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  RSA720443  Limosella acaulis Naomi S. Fraga, LeRoy Gross, Bill Hogshead 2006-6-12 1706 Riverside Along FS road west and paralleling Morris Ranch Road. Ca. 0.2 miles southwest of the FS roads junction with Morris Ranch Road. North east of Garner Valley. 1616 Comment
  RSA180406  Linanthus androsaceus subsp. luteolus E. W. Lathrop 1965-5-9 5735 Riverside 6 miles W of Murrieta. Comment
  JOTR16799  Linanthus aureus subsp. aureus Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. PLEASANT VALLEY 1005 Comment
  JOTR34072  Linanthus bigelovii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2968 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  UC667262  Linanthus bigelovii Annie M. Alexander and Louise Kellogg 1941-5-7 2134 Riverside Split Rock, Riverside and San Bernardino Counties Joshua Tree National Monument 1310 Comment
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Oct 23 2011
  UCR88310  Linanthus bigelovii A. C. Sanders, K. C. Rose 1995-4-5 16362 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  SD140026  Linanthus californicus Scott White 1993-3-15 1189 Riverside Elsinore; Highway 74, just west of northwest corner of Lake Elsinore. Comment
  UCR8102  Linanthus ciliatus B. Freeman 1969-6-13 690613- 01 Riverside San Jacinto Mtns., University of California, Riverside's James Reserve, near Lake Fulmor, on road from Banning to Idyllwild. Trailfinder's Camp. 1646 Comment
  SEINET3087902 Image available Linanthus dianthiflorus A. C. Sanders, J. Dice, Rose Woodard, D. Woodard 1995-3-29 16241 Riverside San Jacinto Mtns./San Gorgonio Pass: alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. Comment
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Dec 31 2017
  UCR1067  Linanthus dianthiflorus J. E. Dimitman 1957-3-23 s.n. Riverside Santa Ana Mtns., road (Guava St.?) to Vail Ranch, [4 mi. south]west of Murrieta 457 Comment
  SBBG87393  Linanthus jonesii A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6007 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
  UCR214286  Linanthus jonesii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37487 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR279327  Linanthus jonesii A. C. Sanders, Jim Malusa 2017-3-23 42915 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
  UCR88109  Linanthus jonesii A. C. Sanders, G. Nuhn 1995-4-20 16583 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  RSA646295  Linanthus lemmonii Orlando Mistretta, Mark Elvin 1995-6-19 1776 Riverside Highway 74. 1418 Comment
  UC23788  Linanthus liniflorus A. J. McClatchie 1892-6-8 40 Riverside near Elsinore Comment
  RSA678423  Linanthus parviflorus Michael Wall 2003-4-26 304 Riverside South of Diamond Valley, Northeast of Skinner Reservoir, Rawson Canyon. Off Rawson Road, 2.7 miles from jct. with Washington Ave. off Winchester Rd. 564 Comment
  POM12881  Linanthus pungens P. A. Munz 1922-7-7 6058 Riverside Zigzag between Thaquitz Valley and Hidden Lake 2378 Comment
  UCR128568  Linaria canadensis A. C. Sanders, Mitch Provance 2001-4-5 23918 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  UCR171910  Linaria canadensis John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR269921  Linaria canadensis Daphne K. Christopher, Hannah I. Stevens 2003-4-3 077 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  UCR89453  Linaria canadensis Steve Boyd, D. L. Banks 1994-4-5 8260 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero 762 Comment
  CAS-BOT-BC432281  Lithophragma affine Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3994 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  UCR58716  Lobularia maritima James C. Dice, Virginia Moran 1987-11-28 759 Riverside Peninsular Range, Temecula Gorge, south rim, near locked gate 305 Comment
  UCR20971  Loeflingia squarrosa A. C. Sanders 1980-5-2 1428 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA25369  Loeseliastrum matthewsii C. L. Hitchcock 1940-3-31 5885 Riverside 0.5 mile below Cottonwood Springs Comment
  POM14104  Loeseliastrum schottii P. A. Munz, D. D. Keck 1922-4-13 4936 Riverside Desert Center. 183 Comment
  RSA468347  Loeseliastrum schottii Robert M. Perkins 1937-3-15 376 Riverside West of blythe. Comment
  UCR254626  Loeseliastrum schottii Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24396 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  UCR279390  Loeseliastrum schottii A. C. Sanders, Jim Malusa 2017-3-24 42986 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  CAS-BOT-BC342258  Logfia filaginoides L. R. Abrams 1926-3-26 11030 Riverside Palm Springs Comment
  RSA691965  Logfia filaginoides Scott D. White 2001-4-18 8359 B Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  UCR87936  Logfia filaginoides A. C. Sanders, Nancy Ferguson 1994-6-2 14633 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  UCR88304  Logfia filaginoides A. C. Sanders, Karin Cleary-Rose 1995-4-5 16387 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UC1979535  Lomatium lucidum Darin L. Banks 1995-4-11 177 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Dripping Springs Trail. Comment
  OBI81581  Lomatium lucidum Coll. Tracey, Viola Call 1962-4-13 2132 Riverside On level ridge near head of Tin Mine Canyon. SE of Corona. 640 Comment
  JOTR32144  Lomatium mohavense La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2300 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  JOTR34479  Lomatium mohavense Andre, Jim 2012-4-16 20960 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  POM17511  Lonicera subspicata var. denudata P. A. Munz 1923-6-18 7128 Riverside Temecula Canyon. Comment
  JOTR29600  Lotus heermannii var. heermannii Andre, Jim 2006-4-26 6757 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  UCR35031  Lotus oblongifolius L. B. Ziegler 1972-6-12 476 Riverside San Jacinto Mtns,, Penrod Canyon drainage into upper Hemet (Garner) Valley 1570 Comment
  UCR4765  Lotus oblongifolius Frank C. Vasek 1964-7-25 640725- 04 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  UCR21997  Lotus purshianus Steve Boyd 1980-7-12 329 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SEINET3558565 Image available Lotus rigidus Lewis S. Rose 1938-12-22 38336 Riverside 15 miles southwest of Cathedral City Palms to Pines Highway, San Jacinto Mountains. 671 Comment
  UCR180694  Lotus scoparius subsp. brevialatus Mitch Provance 2003-4-26 9885 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
  JOTR31044  Lotus scoparius var. brevialatus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2027 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  RSA586121  Lotus scoparius var. brevialatus D. L. Banks, S. D. Boyd 1995-4-5 0161 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Dripping Springs Trail 610 Comment
  RSA771701  Lotus scoparius var. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4697 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
  CSUSB1197  Lotus strigosus Kheng Try Seng 1966-3-27 660327 12 Riverside 0.5 mile north corner of Wood and Roberts. About 4 miles from freeway 395. Woodcrest. 487 Comment
  CSUSB1246  Lotus strigosus Leland E. Francois 1966-3-6 3666 2 Riverside One mile north of Lakeview, Calif. on a dirt road (no name) which runs north directly out of town. 448 Comment
  UCR245895  Lotus strigosus R. F. Thorne 1995-3-29 63012 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  POM7040  Lotus strigosus var. strigosus P. A. Munz, L. T. Street, G. Williams 1919-3-28 2379 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  POM259965  Lotus tomentellus P. A. Munz 1940-3-23 15722 Riverside north end of Pinto Basin 610 Comment
  RSA508005  Lotus tomentellus Steve Boyd, Carol Boyd, Kyle Boyd, R. Noyes, L. Arnseth 1988-5-28 2303 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA524435  Lotus wrangelianus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4051 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  UCR48350  Lotus wrangelianus Steve Boyd 1986-4-22 1765 Riverside Temescal Canyon, W side of Indian Wash, south of I-15 Comment
  UCR71613  Ludwigia repens A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11747 Riverside Santa Ana River Valley, Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake Comment
  RSA568562  Lupinus Christopher Davidson 1979-4-4 7678 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  UC865541  Lupinus I. W. Clokey and B. C. Templeton 1930-4-9 4701 Riverside Moreno Grade Comment
  POM312142  Lupinus albifrons var. eminens N. C. Cooper 1944-4-22 1124 Riverside Banning. 762 Comment
  JOTR33792  Lupinus andersonii La Doux, Tasha, A. Miller 3305 Riverside Joshua Tree National Park. South Lost Horse Valley, along Key's View Road (stop1) 1385 Comment
  POM266081  Lupinus arizonicus C. L. Hitchcock 1940-4-4 5961 Riverside Pinto Basin. Comment
  RSA510034  Lupinus arizonicus B. Pitzer, S. Myers, J. Wilkinson 1988-2-21 603 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  RSA554018  Lupinus arizonicus A. C. Sanders 1992-4-4 12124 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA607582  Lupinus arizonicus R. S. Woglum 1939-4-11 2204 a Riverside Sonora Desert: Desert Center. Comment
  SBBG3533  Lupinus arizonicus H. and M. Dearing 1937-4-10 647 Riverside 16 mi N of Indio Comment
  UCR89579  Lupinus arizonicus George K. Helmkamp 1994-3-8 41 14 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  RSA591822  Lupinus bicolor E. W. Lathrop 1965-4-16 4450 Riverside 14 miles west of Murrieta. Comment
  RSA715328  Lupinus bicolor John Green 2006-4-27 s.n. Riverside Peninsular ranges, Foothills of Santa Ana Mtns./Santa Rosa Plateau: Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte. 351 Comment
  SD143897  Lupinus bicolor A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20687 Riverside San Jacinto Mountains, north side of the range, Twin Pines Creek below the confluence with Brown Creek, on gravel bars along the creek in full sun; Cabazon 7.5' quad.; UTM 10km cell:NH-1E, 4N. Vista Grande 854 Comment
  UCR201472  Lupinus bicolor Scott D. White, Justin M. Wood 2008-6-5 12083 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  POM184252  Lupinus bicolor subsp. microphyllus Philip A. Munz 1932-3-24 12017 Riverside Corona 366 Comment
  UCR214885  Lupinus concinnus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37675 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  RSA407148  Lupinus concinnus subsp. optatus Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCR108399  Lupinus hirsutissimus D. L. Banks, V. W. Steinmann 1997-3-13 1459 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
  UCR86868  Lupinus hirsutissimus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16276 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
  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
  UCR60538  Lupinus microcarpus C. W. Tilforth, W. Wisura 1979-5-23 1806 Riverside Santa Ana Mtns., Santa Rosa Plateau, Murrieta to De Luz road, c. 2 air mi. south of Murrieta 335 Comment
  RSA678287  Lupinus microcarpus var. densiflorus Michael Wall 2003-5-11 313 Riverside Vacant lot off Ramona Expressway between Donna Ave. and Seventh St. adajacent to Soboba Health Clinic. (currently for sale and development). 506 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
  UCR143962  Lupinus sparsiflorus June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  UCR158729  Lupinus truncatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30015 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
  UCR96708  Lupinus truncatus A. C. Sanders 1997-3-1 19717 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  JOTR35923  Lycium andersonii De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6871 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  POM251786  Lycium andersonii J. C. Roos 1938-4-27 19 Riverside Hill west of Arlington. Comment
  RSA422104  Lycium andersonii H. de Forest, Jack Rempel 1937-3-15 415 Riverside South of Rice. Comment
  UCR133025  Lycium andersonii Bern Schwenn 1998-5-4 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, nameless canyon between Carey's Castle and Red Butte Wash, below first fall and above fork 732 Comment
  RSA535484  Lythrum californicum Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6632 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  RSA757453  Lythrum hyssopifolia Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55215 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  UCR96865  Lythrum hyssopifolia Scott D. White 1993-4-30 1321 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  RSA654162  Machaeranthera canescens var. canescens A. C. Sanders, S. D. 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
  RSA50570  Machaeranthera canescens var. ziegleri E. C. Jaeger 1949-7-25 s.n. Riverside Summit, Santa Rosa Mountains 2470 Comment
  RSA781414  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2011-10-22 2994 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
  UCR107746  Madia gracilis D. L. Banks 1997-5-5 1991 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  UCD116351  Malacothamnus densiflorus R. N. Raynor 1941-7-28 s.n. Riverside Highway #71 betw. Temecula and Aguanga. Comment
  UCR213485  Malacothamnus densiflorus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37820 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
  UCR252648  Malacothamnus densiflorus T. B. Salvato, Matthew Malle 2013-4-5 7512 Riverside Perris-Aguanga Basin, Sedco Hills, dirt extension (SCE powerline access) from Beverly Street east of Crab Hollow Circle 604 Comment
  RSA606377  Malacothrix clevelandii Jon E. Keeley 1994-4-22 25323 Riverside Shipley Reserve. 590 Comment
  UCR19711  Malacothrix clevelandii John C. Roos, L. Roos 1954-5-15 6119 Riverside summit of Reche Canyon 732 Comment
  SEINET11601600 Image available Malacothrix coulteri M. Alice King s.n. Riverside Menifee Comment
  UCR279364  Malacothrix coulteri A. C. Sanders, Jim Malusa 2017-3-24 42980 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, upper end of canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 736 Comment
  JEPS36807  Malacothrix glabrata W. L. Jepson 1928-4-25 12620 Riverside Cottonwood Spr. Colorado Desert, Eagle Mts. 731 Comment
  SEINET2042092 Image available Malacothrix glabrata A. C. Sanders 2001-4-8 23972 Riverside (Desert Hot Springs Quad 7.5')Coachella Valley, Garnet, along transmission line route, E of Garnet. T3S R4E S15 (center of W/2) 232 Comment
  SEINET2053778 Image available Malacothrix glabrata Norman C. Cooper 1949-4-9 3260 Riverside Mecca Pass east of Indio. 548 Comment
  UC33283  Malacothrix glabrata W. G. Wright 1889-1 1754 Riverside Colorado Desert Comment
  UCR116621  Malacothrix glabrata A. C. Sanders 2001-4-8 23972 Riverside Western Colorado Desert, Coachella Valley, Garnet, along transmission line route east of Garnet Wash 232 Comment
  UCR261180  Malacothrix glabrata A. C. Sanders, Katie Young, John Hale 2015-4-22 41608 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1.2 km NW (296 deg. ) of One Horse Spring 461 Comment
  UC1871318  Malacothrix saxatilis var. tenuifolia Steve Boyd, Tim Ross, Travis Columbus 1993-10-23 8191 Riverside Peninsular Ranges; Santa Ana Mountains region; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). T6S R5W W/2 SE/4 sec. 22. E/2 NW/4 sec. 27. Elev. 2880 - 2480 ft. Comment
  RSA777830  Malacothrix stebbinsii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 856 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  UCR176693  Malva parviflora R. D. Goeden, Don W. Ricker 1965-6-10 s.n. Riverside Peninsular Range, Murrieta Township, Rancho Pauba, Hwy 71 [=79] at Temecula River Comment
  RSA593977  Malva parviflora D. L. Banks, Elizabeth Hedge Banks 1996-5-2 963 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, approximately 20 m N of the gate to the University of California-Emerson Oaks Reserve, at the junction with the road to the local golf course. 427 Comment
  SD126049  Marah macrocarpa B. Pitzer, E. Misqez 1988-2-28 617 Riverside SW of Murrieta, Walkder Basin, Avenida del Oro, 2 mi. S of Rancho California Rd. 1399 Comment
  SEINET3083011 Image available Marah macrocarpa A. C. Sanders, M. Jacobsmyer & C. Sanders 1995-2-5 15909 Riverside San Bernardino Mtns: Whitewater Canyon, between Bonnie Bell and the fish hatchery. 550 Comment
  POM147636  Marina parryi F. M. Reed 1927-3-20 5427 Riverside Salt Creek Wash. Comment
  SD113621  Marina parryi Darley F. Howe 1952-4-28 2195 Riverside Box Canyon, east of Mecca. Comment
  CLARK-A1045-160  Marsilea vestita George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near origin of creek; Wildomar 7.5'Q Comment
  RSA714662  Matricaria globifera A. C. Sanders 2004-4-9 27479 Riverside Perris Valley: Ramona Expressway at east end of Lake Perris dam. 457 Comment
  RSA0012172  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-3-28 38817 Riverside Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  UCR158346  Medicago polymorpha A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30078 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
  RSA594519  Medicago sativa D. L. Banks, Rashmi Pant 1996-5-13 1024 Riverside NW Palomar Mountains; Agua Tibia Mountains; Hwy. 79, E of the Dripping Springs Campground.; Approximately 1.9 km E of the Dripping Springs Guard Station (100 m E of where Hwy. 79 leaves the Forest Service Boundary)., On the S side of Hwy. 79. 487 Comment
  SEINET2473432 Image available Melica frutescens Andrew C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 37748 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-15 400 Comment
  RSA750741  Melica imperfecta Scott D. White, Justin M. Wood 2009-5-22 12908 Riverside Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  SEINET269498 Image available Melica imperfecta Scott D. White 1996-3-31 3852 Riverside Elsinore Basin Bundy canyon southeast of Lake Elsinore. About 1 mile east of Bundy Canyon Road exit from I-15 freeway 450 Comment
  UCR100412  Melica imperfecta Scott D. White, M. A. Patten 1995-8-16 3543 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  UCR241212  Melica imperfecta Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 52 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon near woodland stand H-02 945 Comment
  UCR82277  Melilotus albus J. M. Stewart 1994-5-2 855 Riverside Western Colorado Desert, Coachella Valley, Thermal. Polk Street and Airport Blvd. Comment
  UCR241656  Melilotus indicus T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 316 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  CLARK-A1528-3103  Mentha spicata John C. Roos 1952-8-6 5881 Riverside Fairmont Park 259 Comment
  RSA282775  Mentzelia congesta C. W. Tilforth, B. Busenberg 1980-10-6 1994 Riverside Ca. 1/2 mi. north of Thomas Mtn. Campground, along Thomas Mtn. Rd., south of Lake Hemet, west of Highway 74. Comment
  UC19578  Mentzelia dispersa H. M. Hall 1901-6 2272 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  RSA69585  Mentzelia involucrata F. W. Peirson 1933-4-13 10637 Riverside Road from Deep Canyon to Idyllwild. 610 Comment
  UC667279  Mentzelia involucrata Annie M. Alexander and Louise Kellogg 1941-5-26 2237 Riverside Eagle Mountains, Monsen Canyon 914 Comment
  UC68744 Image available Mentzelia involucrata H. M. Hall 1905-4-21 5839 Riverside near Salton; Colorado Desert; near Salton, Colorado Desert, Riverside Co. -76 Comment
  POM123017  Mentzelia involucrata var. megalantha Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  RSA49187  Mentzelia involucrata var. megalantha P. A. Munz 1949-4-12 13032 Riverside North base of Eagle Mts., Mojave Desert. 945 Comment
  SBBG69337  Mentzelia longiloba S. W. Hutchinson 1928-3-24 511 Riverside near Blythe Comment
  JOTR30138  Mentzelia veatchiana La Doux, Tasha 2008-2-4 1705 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  RSA772122  Mentzelia veatchiana Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4833 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. 915 Comment
  UCR90392  Micropus californicus var. californicus D. L. Banks, Steve Boyd 1995-5-9 0338 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 732 Comment
  UCR112009A  Microseris douglasii subsp. platycarpha A. C. Sanders, T. B. Salvato 2000-5-25 23410 A 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
  UCR120852A  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-4-14 2326 A Riverside Gavilan Hills, Black Rocks area, NE of Black Rocks and 1.2 km south of Cajalco Rd., east of orange groves 445 Comment
  UCR166809  Microseris elegans R. E. Riefner Jr. 2005-4-22 05- 240 Riverside Patton Rd. at Patterson Ave., SE of Winchester near San Diego Aqueduct 452 Comment
  JOTR30253  Mimulus aurantiacus Leary, C. and Leary, Pat 1979-5-6 3024 Riverside Joshua Tree National Park. Barker Dam, Joshua Tree National Monument, T2S R8E sec 4 Comment
  JOTR01209  Mimulus aurantiacus Moran, Reid 1941-5-5 845 Riverside Joshua Tree National Park. EAST OF QUAIL SPRING 396 Comment
  JEPS4611  Mimulus aurantiacus var. pubescens Marjorie D. Clary 1932-5-12 1636 Riverside e Little San Bernardinos (Lost Horse Canyon); Colorado Desert, Joshua Tree National Monument 1432 Comment
  RSA192069  Mimulus aurantiacus var. pubescens E. W. Lathrop 1965-4-4 5638 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  RSA523840  Mimulus aurantiacus var. pubescens G. H. True 1935-4-1 192 Riverside Among rocks, steep sides of canyon. 396 Comment
  UC26700  Mimulus aurantiacus var. pubescens H. M. Hall June, 1901 2077 Riverside vicinity Chalk Hill; San Jacinto Mountains 1402 Comment
  UC943879  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 C Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  UCR37482  Mimulus aurantiacus var. pubescens Steve Boyd 1981-3-2 s.n. Riverside Gavilan Hills, Dawson Canyon. About 1 mi downstream from narrows Comment
  UCR102708  Mimulus bigelovii B. G. Pitzer 1998-1-24 3393 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  HSC28446  Mimulus bigelovii var. bigelovii Richard Spjut 1973-4-10 3292 Riverside Colorado Desert: N face of Chuckawalla Mts., ca. 3-4 mi/ S of Desert Center 305 Comment
  POM43889  Mimulus bigelovii var. bigelovii Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA420958  Mimulus bigelovii var. bigelovii Robert L. Dressler 1949-3-19 421 Riverside Coxcomb Mountains, 23 miles NE of Desert Center. Comment
  SDSU13594  Mimulus brevipes W. Miller, C. Mosse 1972-7-20 Riverside Comment
  UCR201953  Mimulus brevipes Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  CAS-BOT-BC9454  Mimulus diffusus Frank Warrington Peirson 1922-4-30 2934 Riverside Hills south of Tuscalota Creek, Aguanga to Hemet Road Comment
  CLARK-A1045-158  Mimulus floribundus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near origin of creek; Wildomar 7.5'Q Comment
  UCR21524  Mimulus floribundus Steve Boyd 1980-4-29 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, c. 0.5 mile NE of the secretary's house 518 Comment
  UCR123837  Mimulus guttatus Steven R. Hill 2001-4-29 33528 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  UCR174346  Mimulus guttatus A. C. Sanders 2006-5-19 32401 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UC27000  Mimulus microphyllus H. M. Hall 1901-6-20 2201 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR207639  Mimulus pilosus O. F. Clarke 2005-6-19 s.n. Riverside Peninsular Range; Gavilan Hills, Harford Springs County Park, off Idaleona Rd. 686 Comment
  UCR226606  Mirabilis bigelovii var. retrorsa Jim Andre 2011-2-18 15818 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
  RSA503407  Mirabilis laevis J. D. Olmsted 1962-5-10 3610 Riverside L. Matthews Road ca. 1/2 mi. W of dam. 427 Comment
  RSA770933  Mirabilis laevis Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4960 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  CAS-BOT-BC434676  Mirabilis laevis var. crassifolia A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37468 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak. 244 Comment
  CAS-BOT-BC434836  Mirabilis laevis var. retrorsa Milo S. Baker 1928-4-3 3707 b Riverside Palm Canon [Canyon] Comment
  RSA450140  Mirabilis laevis var. villosa J. C. Roos 1966-3-26 s.n. Riverside 2 miles SE of Desert Center. Comment
  POM204398  Mirabilis linearis F. M. Reed 1934-7-25 8895 Riverside Santa Fe RR right of way, North of Central Ave 244 Comment
  JOTR36445  Mohavea confertiflora La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3415 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA784747  Mohavea confertiflora Duncan S. Bell 2012-2-12 3091 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  POM96251  Mohavea confertiflora E. C. Jaeger 1925-12-20 s.n. Riverside Fish Traps Comment
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Feb 3 2011
  SEINET10898254  Mohavea confertiflora David B. Dunn, Howard Brown 1947-1-12 Dunn 2847 Riverside Pushawalla Canyon, Indio Hills. Along dry canyon side. Comment
  SEINET10898255  Mohavea confertiflora R. P. Levine, H. S. Brown 1947-4-12 Levine 6 Riverside Wash, pushwalla canyon, indio hills. Comment
  UCR101520  Mollugo cerviana Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10050 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 427 Comment
  UC25499  Monardella australis subsp. australis H. M. Hall 1897-7-22 713 Riverside San Jacinto Mountains 1828 Comment
  UCR57138  Monardella hypoleuca subsp. intermedia Ed LaRue 1989-6-23 s.n. Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, parts of McVicker, Leach, and Dickey Canyons, just E and SE of Lake Elsinore 854 Comment
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Aug 17 2012
  RSA762009  Monardella lanceolata Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 661 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SEINET13948595 Image available Monardella lanceolata Carl B. Wolf 1932-1 3914 Riverside San Jacinto Mts. Point View, near Idyllwild. Alt 5400 ft. 1646 Comment
  RSA234082  Monardella lanceolata var. lanceolata Robert F. Thorne 1969-6-6 39328 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  CLARK-A1045-110  Monardella linoides George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep canyon; Palm Desert 15'Q Comment
  CAS-BOT-BC215455  Monardella linoides subsp. linoides Lewis S. Rose 1936-12-24 36812 Riverside Palms to Pines Highway, 24 mi. SW of Indio, San Jacinto Mts. 1066 Comment
  UC1931123  Monardella linoides subsp. linoides Scott D. White, Justin Wood 2008-7-10 12457 Riverside San Jacinto mountains: Fobes spring (Palm View Peak) Comment
  UC218113  Monardella linoides subsp. linoides P. A. Munz 1922-6-30 5921 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  CAS-BOT-BC215492  Monardella nana E. McClintock; H. Lewis 1941-6-29 77 Riverside Road up Santa Rosa Mt. 1 mile beyond canyon where stream crosses road Comment
  LA96070  Monardella nana Elizabeth McClintock; 1941-5-31 44 Riverside 5 mi from turn off tp Anza Tablet Comment
  UC1499856  Monardella nana E. McClintock, J. Fenley 1937-7-10 Riverside San Jacinto Mts. trail between Tahquitz Valley and Hidden Lake 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
  RSA651654  Monardella nana subsp. arida Elizabeth McClintock, M. McClintock, D. Weiner 1941-7-11 103 Riverside Black Mnt, 0.5 mile beyond Black Mnt Spring. Comment
  RSA750284  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-10 91 Riverside San Jacinto Mts. Short distance from top of Suicide Rock. Comment
  UC1499835  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 129 Riverside down the w slope trail from Round Valley (beyond Wellman Cienega); San Jacinto Mts. Comment
  UCR221493  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 97 Riverside Peninsular Range; San Jacinto Mtns., Banning-Idyllwild road, Fuller Mill Creek 1585 Comment
  SEINET10582074  Monardella nana subsp. tenuiflora A. Graff 1993-6-23 Graff 41 Riverside San Bernadino National Forest, San Jacinto Mtns. From Hwy. 243, take Black Mtn. Rd. (USNFS Rd. 4S01) to junction with USNFS Rd. 4S02 and go 0.1 mile down 4S02. Monardella nana is on the right roadside. T4S,R2E,S23. Dry, gravelly, shaded, gentle slope. Locally sparse, with Pinus ponderosa, Arctostaphylos pringlei, Lotus scoparius, Bromus orcuttianus, Elymus elymoides, Elymus glaucus. Need USNFS permission to collect. Comment
  UCR123190  Monardella robisonii A. C. Sanders, Mark Elvin 2001-8-17 24615 Riverside Mojave Desert, Little San Bernardino Mtns, near Hidden Valley Campground at 'Echo T,' Joshua Tree National Park 1311 Comment
  GMDRC9383  Monolepis nuttalliana J. M. Andre 2017-3-4 37201 Riverside Big Maria Mountains: eastern base of range at Black Point, west side of US Hwy 95 34.2 mi. south of Vida Jct, at road to radio tower 94 Comment
  CAS-BOT-BC349810  Monoptilon bellioides Annie M. Alexander; Louise Kellogg 1941-5-11 2153 Riverside Colorado Desert. Cottonwood Spring, Eagle Mountains 883 Comment
  SD28014  Monoptilon bellioides Carl B. Wolf 1932-4-27 3061 Riverside 5.0 miles east of Desert Center. 149 Comment
  UC1259283  Monoptilon bellioides T. J. Watson Jr. 1970-3-25 370 Riverside 20 mi n Cottonwood Springs Ranger Station (along paved road through Joshua Tree National Monument); Joshua Tree National Monument Comment
  UCR196304  Monoptilon bellioides R. F. Thorne, M. Z. Thorne 1973-3-30 42677 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  UCSB46683  Monoptilon bellioides Sauer, Ronald 1965-3-7 Riverside Palm Springs area 30 Comment
  POM12032  Muhlenbergia microsperma Mary F. Spencer 1920-4-1 1537 Riverside In desert sand, Colorado Desert 122 Comment
  UCR198195  Muhlenbergia microsperma Michael Honer, L. Hulse 2004-4-3 1921 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  VVC692  Muhlenbergia microsperma P. J. MacKay, C. Sanders 1997-2-8 104 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  SDSU13929  Muhlenbergia rigens Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2138 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR178011  Muilla maritima T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 609 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR222401  Myoporum insulare A. C. Sanders, Andrew Chen 2011-1-5 38704 Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, Santa Ana River, Jurupa area of Riverside, SE of Riverview Dr. and west of Rio Rd. 223 Comment
  RSA532576  Myosurus minimus subsp. apus D. E. Bramlet 1991-5-9 2139 Riverside 6.1 km west of Hemet and some 135-670m west of Intersection of Florida and Warren. The population is some 8-15m. north of Florida Ave. and 5m east of the MWD canal. 500 Comment
  RSA563909  Myosurus minimus subsp. apus A. C. Sanders 1993-4-1 13664 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
  RSA660503  Myosurus minimus subsp. apus A. C. Sanders, K. C. Rose 1998-5-21 21861 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
  POM11893  Myosurus minimus subsp. minimus P. A. Munz, I. M. Johnston 1922-5-20 5461 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  RSA122612  Nama demissa H. S. Yates 1937-1 6408 Riverside 3 miles N of Palm Springs, San Jacinto Mts. 213 Comment
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Mar 24 2013
  UCR140955  Nama demissa June Latting 1973-4-14 s.n. Riverside Sonoran (Colorado) Desert, south entrance to Joshua Tree National [Park] Monument, alluvial slopes south of Cottonwood Mtns. 579 Comment
  JEPS1389  Nama demissa var. demissa W. L. Jepson 1928-4-23 12548 Riverside wash 2 1/2 mi below Cottonwood Spr. (Eagle Mts., Colorado Desert); Colorado Desert, Eagle Mts., below Cottonwood Spr. 487 Comment
  RSA4889  Nama demissa var. deserti Carl B. Wolf 1932-4-27 3005 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  POM194892  Nama hispida var. revoluta Roxana S. Ferris 1928-4-22 7188 Riverside Colorado River bottom near Ripley South of Blythe. Comment
  RSA779007  Nama hispida var. spathulata Duncan S. Bell 2010-4-1 641 Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  SD240927  Nama hispida var. spathulata Dave Silverman, Onkar Singh 2010-3-27 7862 Riverside McCoy Wash, N of Palo Verde Mesa, 4.95 km WSW of Mesaville siding, W of A Canal/Levee Blvd., & ca, 6.5 km N of Blythe Airport. 131 Comment
  NY1082244  Nama hispidum var. spathulatum N. H. Holmgren 1973-3-21 6451 Riverside Blythe-Rice road, 17 airline miles north-northwest of Blythe 259 Comment
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Mar 3 2013
  RSA614424  Nassella cernua D. L. Banks 1997-3-29 1557 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
  SEINET244817  Nassella lepida A. C. Sanders 2002-4-22 24991 Riverside The badlands: marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont. Burnt chaparral. 670 Comment
  UCR92336  Navarretia atractyloides Scott D. White, M. D. Wilcox 1995-7-13 3476 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  UCR20987  Navarretia fossalis A. C. Sanders, Steve Boyd 1980-5-19 1481 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  RSA674533  Navarretia hamata Scott D. White, Sandy Leatherman 2000-5-31 7991 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  CAS-BOT-BC109111  Nemacaulis denudata var. gracilis Geo. B. Grant 1906-4-20 6718 Riverside Palm Springs Comment
  SEINET10464925  Nemacladus Wagnon 1944-3-26 WAGNON 362 Riverside Among stones, in sand, open sun all day. Cathedral Canyon, Cathedral City Comment
  POM316902  Nemacladus glanduliferus P. A. Munz 1922-4-9 4745 Riverside Palm Springs. 76 Comment
  RSA0126342  Nemacladus longiflorus var. longiflorus N. C. Cooper 1944-5-21 1239 Riverside San Jacinto Mountain. 915 Comment
  UCR28721  Nemacladus ramosissimus John C. Roos 1947-3-15 3344 Riverside San Jacinto Valley, Valle Vista, east of Hemet 549 Comment
  SEINET10461076  Nemacladus ramosissimus Rimo Bacigalupi, Guy T. Robbins 1954-5-16 Bacigalupi 4464 Riverside St. John's Grade, State Highway 79, 11 miles south of Hemet, at junction of road to Red Mountain 792 Comment
  RSA75141  Nemacladus rubescens F. W. Peirson 1928-4-24 7914 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. Comment
  POM3455  Nemophila menziesii H. M. Hall 1897-4-7 s.n. Riverside Winchester, Riverside Comment
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Mar 20 2011
  RSA5018  Nemophila menziesii Carl B. Wolf 1932-3-20 18 Riverside Richman Ranch, 2.5 miles no. of De Luz; S.W. Riverside County. 457 Comment
  UCR249816  Nemophila menziesii T. B. Salvato, John Lovio 2013-3-19 7350 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCR49231  Nemophila menziesii Steve Boyd 1980-5-8 1610 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  RSA38410  Nicolletia occidentalis P. A. Munz 1946-10-21 11602 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1296 Comment
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Sep 25 2011
  RSA0054919  Nicotiana attenuata W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Desert Center. Comment
  UCD126668  Nicotiana glauca Gordon Pilone 1961-3-1 96 Riverside White Water Canyon, one-half mile from fish hatchery. 457 Comment
  JOTR31883  Nicotiana obtusifolia La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2135 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Rockhouse Canyon; steep-walled canyon and sandy wash along an old road Comment
  JOTR37484  Nicotiana obtusifolia Heintz, James, A. Ingersoll 2015-10-29 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains, tributary to Cottonwood Canyon, near Wood Spring Comment
  UCR101597  Nicotiana obtusifolia 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
  SEINET3077948 Image available Nicotiana quadrivalvis Marc Mittleman 1982-5-25 Riverside Gentry Experimental Farm, Los Alamos Road, Murrieta. 366 Comment
  JEPS62090  Nolina parryi Carl V. Meyer 1929-6-18 781 Riverside s Thomas Mt.; San Jacinto Mts., Hamilton grade 1219 Comment
  UCSB38730  Notholaena californica Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  UCR129681  Notholaena parryi Lyman Benson 1945-4-6 11654 Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Whitewater Canyon, 3 mi above Whitewater 579 Comment
  RSA0119576  Oenothera californica John F. Green 2015-6-23 615 -01 Riverside Peninsular Range: San Jacinto Mnts. Region: Anza Valley, east edge of town of Anza, vacant lot at NE side of intersection of Hwy 371 and west end of Burnt Valley Rd. 1226 Comment
  RSA338178  Oenothera californica subsp. californica Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53586 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  CLARK-A1528-3298  Oenothera deltoides John C. Roos 1937-4-18 1370 Riverside Snow Creek Comment
  RSA0013274  Oenothera deltoides April Garbat, Sarah J. De Groot 2013-4-9 46 Riverside Blythe-Rice Rd at a wash at the bottom of Rice Valley, 1.9 mi S of Hwy 62. 243 Comment
  POM14009  Oenothera primiveris subsp. bufonis P. A. Munz, D. D. Keck 1922-4-9 4748 Riverside Shavers Well, near Mecca. 76 Comment
  CAS-BOT-BC427465  Oligomeris linifolia E. A. McGregor 1917-3-19 799 Riverside Colorado Desert. Indio Sands near U. S. Date Garden Comment
  UCD116471  Oligomeris linifolia Collector Unknown 1939-3-21 s.n. Riverside Apr. Ext. Service, Riverside. Comment
  JOTR32328  Olneya tesota Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Open, sandy bajada adjacent to Pinto Basin road and near south park boundary Comment
  UCR18944  Olneya tesota John C. Roos 1965-12-4 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 2 mi. SE of Desert Center 366 Comment
  UCD134652  Oncosiphon piluliferum A. C. Sanders 2004-4-9 27479 Riverside Perris Valley: Ramona Expressway at east end of Lake Perris dam. 457 Comment
  UCR234282  Oncosiphon piluliferum A. C. Sanders 2012-4-12 40028 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, near El Hermano Rd. 312 Comment
  RSA0031146  Opuntia basilaris Marc Baker, Michelle Cloud-Hughes, Tim Thomas, Alice Karl 2013-9-26 17803 Riverside Chuckwalla Mountains, north side of Corn Springs Wash, 1.1km ESE of Corn Spring, 12.2km SE of Desert Center, 70 km west of Blythe. 478 Comment
  UC403457  Opuntia chlorotica Munz and Johnston 1922-5-20 5571 Riverside near Kenworthy (mouth of creek, coastal drainage of mts.); San Jacinto Mountains, Thomas Valley, Pipe Creek 1371 Comment
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Mar 13 2011
  UCD170242  Opuntia chlorotica K. M. Meyer; A. Townesmith 2007-3-19 22 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  POM83401  Opuntia echinocarpa J. W. Toumey 1895-04 s.n. Riverside Banning. Comment
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Mar 21 2011
  SEINET4080627  Orcuttia californica L. M. Boykin, P. M. Hall 2003-1 Riverside Comment
  UCR26561  Orobanche californica subsp. feudgei T. P. Krantz 1982-5-19 s.n. Riverside San Jacinto Mtns, Garner Valley 1402 Comment
  UCR9019  Orobanche cooperi K. K. Muller 1967-3-20 1383 Riverside Sonoran (Colorado) Desert, 17.5 mi north of Desert Center on road to Rice Comment
  RSA0059162  Orobanche parishii subsp. parishii Noel Wallace 1938-06 BS. 562 Riverside Box Springs Mts., near Riverside. Comment
  RSA662186  Orthocarpus purpurascens Dolores Perez 1981-4-11 23 Riverside Cajalco Rd., S. of Lake Matthews. Comment
  CLARK-A1528-753  Oxytheca emarginata C. M. Flanagan 1973-5-12 OO 402 Riverside Deep Canyon 1097 Comment
  CDA22733  Oxytheca perfoliata R. E. Ramont 1957-8-19 Riverside 0 Comment
  POM12952  Oxytheca trilobata P. A. Munz, I. M. Johnston 1922-5-21 5537 Riverside Hemet Valley. 1433 Comment
  UC64504  Oxytheca trilobata H. M. Hall 1899-5-20 Riverside San Jacinto Mountains 1828 Comment
  UCR16463  Paeonia californica David M. Peterson 1966-3-6 660306- 2 Riverside Santa Ana Mtns., San Juan Canyon between Lion Canyon and Long Canyon, near the Ortega Highway. 610 Comment
  CAS-BOT-BC327921  Palafoxia arida J. H. Thomas 1949-2-28 53 Riverside Betweem Banning and Palm Springs Comment
  CAS-BOT-BC327940  Palafoxia arida J. Von Loh 1977-10-30 3307 A Riverside Ford Dry Lake Comment
  CAS-BOT-BC327943  Palafoxia arida J. Beley 1974-2-21 0431 Riverside Halfway between 195 and Cactus City. Comment
  SEINET10799065  Palafoxia arida David B. Dunn, Howard Brown 1947-2-9 Dunn 2854 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  POM248396  Palafoxia arida var. arida Philip Crow 1939-7-18 s.n. Riverside Blythe Comment
  RSA363758  Palafoxia arida var. arida N. C. Cooper 1942-4-25 617 Riverside Palm Springs. Comment
  UCR33541  Palafoxia arida var. arida Sears 1977-10-10 S 514 Riverside Sonoran (Colorado) Desert, 6.1 mi NE of Desert Center on Hwy 177 Comment
  RSA0045506  Palafoxia linearis William Blanchard 1932-4-16 s.n. Riverside Palm Springs Station. TR6. Comment
  RSA355178  Panicum capillare A. C. Sanders 1986-5-20 6499 Riverside Riverside in vacant lot where an orange grove was recently removed, across the street from 1012 Spruce St. Comment
  UCR188996  Panicum dichotomiflorum subsp. dichotomiflorum Fred M. Roberts, S. Leatherman 2007-9-19 6590 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  CLARK-A1528-4784  Panicum hirticaule John C. Roos 1965-9-5 Riverside Comment
  UCR113922  Panicum miliaceum subsp. miliaceum Mitch Provance, A. C. Sanders 2000-7-4 2078 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  CAS-BOT-BC253902  Panicum urvilleanum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  CDA32593  Panicum urvilleanum K. E. Hoffmaster 1958-12-22 Riverside Indio area, in young grapefruit orchard. 0 Comment
  VVC365  Papaver californicum A. C. Sanders, P. Jmac 1997-5-4 20631 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  RSA0031610  Parietaria hespera var. hespera Jim Andre 2013-3-27 24815 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  UCR19219  Parietaria hespera var. hespera John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, rocky canyon 2.5 miles SE of Desert Center 610 Comment
  POM46828  Parietaria pensylvanica Mary F. Spencer 1920-4-7 10463 Riverside Palm Canyon. 213 Comment
  CDA4250  Parkinsonia aculeata A. C. Sanders, O. F. Clarke 1991-6-1 11124 Riverside Upper Santa Ana River/San Bernardino Valley. Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River. Comment
  UCR199618  Parkinsonia aculeata Scott D. White, Angelia Carey 2004-7-2 10553 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR235049  Parkinsonia aculeata A. C. Sanders, John F. Green 2012-5-27 40212 Riverside Peninsular Range; Perris-Aguanga Basin Region, eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris 441 Comment
  RSA0080159  Parkinsonia florida Jim M. Andre 2012-4-11 20837 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  RSA736906  Paspalum distichum Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10681 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  CAS-BOT-BC541409  Pectis papposa var. papposa Sarah J. De Groot; Duncan S. Bell 2015-9-21 7585 Riverside Santa Rosa Mountains SSW of Palm Desert. Along Carrizo Rd just N of Hwy 74 1053 Comment
  JOTR35015  Pectis papposa var. papposa La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3113 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  CAS-BOT-BC169718  Pectocarya anisocarpa C. F. Baker 1904-4-5 4139 Riverside Hemet Comment
  UCR250571  Pectocarya anisocarpa A. C. Sanders 2014-4-18 41036 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. near Horsethief Canyon Road, east of Horsethief Canyon Wash and site of old DePalma's Italian Village Restaurant 381 Comment
  POM368802  Pectocarya heterocarpa M. B. Dunkle 1937-3-25 4933 Riverside Colorado Desert. Shaver s Well Comment
  UCD120120  Pectocarya heterocarpa LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1429 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115 deg. 19'35'W: UTM 3721895N, 655238E to 33 deg. 36'52N, 115 deg. 19'54': UTM 3720669N, 654757E. 548 Comment
  RSA695833  Pectocarya linearis J. R. Bruff 1927-3-12 3 -j Riverside Fingal Comment
  SEINET3083924 Image available Pectocarya linearis Markell Kohn 1959-4-12 Riverside 150 ft. West of pond 200 yds N.E. of Weber Hall on U.C.R. campus. Comment
  UCR260878  Pectocarya linearis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41566 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 370 Comment
  RSA519018  Pectocarya linearis subsp. ferocula George K. Helmkamp 1986-4-7 770 Riverside South of Morongo Valley: First canyon east of and parallel to Hwy 62 north of Indian Ave. B.M. land. 579 Comment
  UCD120129  Pectocarya linearis subsp. ferocula T. B. Salvato; A. C. Sanders 2005-5-17 888 Riverside San Jacinto Mtn foothills San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and N of Calif. Hwy 74. 549 Comment
  UCR59513  Pectocarya penicillata Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3239 A Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  UCR88573  Pectocarya penicillata A. C. Sanders, J. C. Lyman 1995-4-16 16568 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  RSA0112091  Pectocarya platycarpa Duncan S. Bell 2010-2-21 545 Riverside Arica Mountains; Palen/McCoy Wilderness area; collecting in the central part of range. 418 Comment
  POM13012  Pectocarya setosa P. A. Munz, I. M. Johnston 1922-5-19 5440 Riverside Garner Ranch, Hemet Valley in San Jacinto Mountains. 1372 Comment
  SDSU13974  Pedicularis densiflora Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2105 Riverside Just north of El Valle meadow. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  UC76051  Pedicularis densiflora M. F. Gilman 1904-1 40 Riverside Banning Comment
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Mar 13 2011
  UC103245  Pedicularis semibarbata A. W. Anthony 1895-7-7 Riverside San Jacinto Mountains 2743 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
  UCR124221  Pellaea mucronata S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  JOTR34126  Pellaea mucronata var. mucronata Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21084 Riverside Joshua Tree National Park. Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1171 Comment
  SEINET3079731 Image available Penstemon centranthifolius J. Easton 1987-4-23 Riverside E of Anza along Hwy 371, Hamilton Creek Canyon. 1249 Comment
  SEINET1004566  Penstemon grinnellii T. B. Salvato, John F. Green 2004-1 574 Riverside San Bernardino Mtns: head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp. 1341 Comment
  UCR24779  Penstemon grinnellii W. W. Mayhew 1981-6-25 s.n. Riverside Peninsular Range; San Jacinto Mtns, road edge about 100 yards below the lookout on the summit of Black Mtn. 2348 Comment
  SD119896  Penstemon heterophyllus var. heterophyllus Louis B. Ziegler 1968-6-3 304 Riverside San Jacinto Mountains - Bautista Canyon, in wash of dry creek 762 Comment
  RSA412472B  Penstemon labrosus Albert J. Perkins 1916-9-20 s.n. Riverside Tahquitz Valley. Comment
  UCR24922  Penstemon labrosus A. C. Sanders 1980-7-18 1654 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  SD178239  Penstemon spectabilis John Wear 1998-7-8 Riverside San Jacinto Mountains; Pine Meadow in eastern Garner Valley, R-Ranch, just east of Highway 74, between Gold Hill and Thomas Mountain. 1372 Comment
  SDSU10974  Penstemon spectabilis Thomas A. Zink 1971-7-1 Riverside Alongside Indian Canyon rd. about 1 mile west of junction with Temescal Canyon Rd. at foot of Trabuco Peak. 518 Comment
  UCR214300  Penstemon spectabilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38396 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UC1329888  Penstemon thurberi James E. Cole 1941-6-14 892 Riverside near junction of Queen Wash and Lost Horse Wash (Joshua Tree National Monument); Joshua Tree National Monument 1219 Comment
  SD140250  Pentagramma triangularis Scott White 1993-4-22 1237 Riverside North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  CAS-BOT-BC300508  Pentas O. F. Clarke 2007-10-15 s.n. Riverside Peninsular Range: Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CAS-BOT-BC77472  Peritoma arborea var. angustata Marian L. Campbell 1921-3-19 29 Riverside Palm Springs Comment
  PASA1570  Perityle emoryi 1926-2-21 Riverside Thousand Palms 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
  RSA0021423  Perityle emoryi A. L. Haines 1973-3-25 s.n. Riverside Orocopia Mountains 473 Comment
  CLARK-A1528-611  Petalonyx thurberi Steven J. Southwell 1971-5-1 Riverside Thousand Palms Oasis 152-304 Comment
  RSA356895  Petalonyx thurberi Robert F. Thorne 1966-10-15 41785 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  UCR147738  Petalonyx thurberi Steve Boyd, Et al. 2004-5-14 11257 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
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Mar 19 2016
  LA49855  Petalonyx thurberi subsp. thurberi Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside at foot of Palms to Pines Highway Comment
  RSA612171B  Petunia parviflora Louis C. Wheeler 1932-7-9 932 Riverside Santa Ana River at Chino Creek. 152 Comment
  CDA8465  Peucephyllum schottii A. C. Browne 1953-4-23 Riverside Indian Fish Traps, 12 miles south of Indio. 0 Comment
  JOTR35082  Peucephyllum schottii La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3533 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  RSA778112  Peucephyllum schottii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 926 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  POM13312  Phacelia ambigua E. C. Jaeger 1921-5-20 1076 Riverside Palm Springs. Comment
  RSA678225  Phacelia ambigua Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1094 Riverside Mouth of West Wide Canyon, west side of Channel Run. 442 Comment
  UC24295  Phacelia brachyloba H. M. Hall June, 1901 2070 Riverside vicinity of Chalk Hill San Jacinto Mountains 1524 Comment
  CLARK-A1656-870  Phacelia campanularia Lois Ann Scott 1977-12-2 Riverside Big Morongo Canyon Comment
  RSA427708B  Phacelia campanularia Ora M. Clark 1929-2-23 1588 Riverside North Whitewater. Comment
  SBBG11796  Phacelia campanularia H. and M. Dearing 1937-4-10 2866 Riverside W of Indio Comment
  UCSB38663  Phacelia campanularia Cowan, Clark 1978-4-25 Riverside 6.7 mi. (10.7 km.) SW on 74 from jct. with 71, 4.6 mi. (7.3 km.) from Lake Elsinore, Santa Ana Mts. Cleveland Nat. F. Comment
  UCR213624  Phacelia cicutaria var. hispida A. C. Sanders, Matthew Malle 2010-4-23 37996 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR228253  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37669 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 375 Comment
  UCR251941  Phacelia cicutaria var. hispida Harun Bektas 2011-4-26 01 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  UCR84655  Phacelia cicutaria var. hispida Scott D. White, S. Ogg 1994-4-21 1966 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR37441  Phacelia ciliata Steve Boyd 1981-4-15 s.n. Riverside Gavilan Hills area, south of Lake Matthews Comment
  UCR166871  Phacelia crenulata 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
  UCR102923  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 1998-2-5 2669 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UC663066  Phacelia cryptantha James E. Cole 1941-5-30 824 Riverside peak ese C. G. S. SDtation; Joshua Tree National Monument, Quail Mountain Comment
  CAS-BOT-BC133967  Phacelia distans L. R. Abrams 1926-3-25 11052 Riverside between Banning and Cabazn Comment
  RSA428227  Phacelia distans E. A. Purer 1933-3-25 17206 Riverside Palm Springs. Comment
  RSA517927  Phacelia distans Steve Boyd, B. Roy, T. S. Elias, S. Meury, S. Zona 1986-3-5 1356 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  RSA525673  Phacelia distans Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4544 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA593994  Phacelia distans D. L. Banks, E. H. Banks 1996-5-2 938 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 m inside the preserve boundary gate, 3 m E of the main road along a open field. 448 Comment
  RSA714422  Phacelia distans A. C. Sanders 2004-5-12 27861 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  SD72092  Phacelia distans John Thomas Howell 1930-5-10 4791 Riverside St. John's Grade Comment
  UC73695  Phacelia distans Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR116815  Phacelia distans A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23945 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  SEINET10697869  Phacelia imbricata Salvato 2004-5-27 SALVATO 620 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. Upper canyon, pine woodland. 1402 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
  JEPS1184  Phacelia minor Dr. L. M. Newlon 1922-4-4 444 Riverside Andreas Canyon San Jacinto Mts. Comment
  RSA528066  Phacelia minor Scott D. White 1991-4-10 91 -56 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road. 610 Comment
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Feb 28 2015
  SD227838  Phacelia minor A. C. Sanders 1994-5-15 14482 Riverside Mount Rubidoux on NW side of Riverside on the east bank of the Santa Ana River. 399 Comment
  UC410495  Phacelia minor Mrs. E. C. Van Dyke 1928-5-28 Riverside Banning Comment
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Mar 13 2011
  UC916698  Phacelia minor Frank W. Gould 1944-4-4 2212 Riverside on hwy 71 9 mi se Temecula Comment
  UCR250117  Phacelia minor A. C. Sanders 2014-4-23 41051 Riverside Peninsular Range, Gavilan Hills, toward eastern end of Concordia Ranch Rd. at edge of Temescal Valley, above I-15 390 Comment
  UCSB10390  Phacelia minor Wedberg, H. 1957-3-23 Riverside Whitewater Canyon Comment
  RSA134093  Phacelia mutabilis L. R. Heckard 1956-6-28 769 Riverside Between Tahquitz Valley and Little Tahquitz Valley. 2317 Comment
  POM14110  Phacelia neglecta P. A. Munz, D. D. Keck 1922-4-9 4873 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  UCR214899  Phacelia neglecta A. C. Sanders 2010-3-23 37528 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  RSA0042826  Phacelia pedicellata Duncan S. Bell, Deidre Conocchioli 2014-3-18 6252 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  RSA736307  Phalaris paradoxa Scott D. White, Justin M. Wood 2008-5-13 11954 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  RSA697714  Phleum alpinum J. Russell Bruff 1934-7-5 s.n. Riverside San Jacinto 2896 Comment
  POM13139  Phlox austromontana P. A. Munz, I. M. Johnston 1922-5-19 5450 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  POM13672  Phlox austromontana P. A. Munz 1922-6-28 5871 Riverside Santa Rosa Mountains. 2439 Comment
  RSA674927  Pholistoma auritum Scott D. White, Pam DeVries 2000-4-25 7725 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  POM46798  Pholistoma membranaceum Mary F. Spencer 1920-4-7 1582 Riverside Palm Canyon, Colorado Desert 183 Comment
  POM230610  Phoradendron californicum I. W. Clokey 1935-4-17 6575 Riverside Cottonwood Springs. Comment
  RSA650124  Phoradendron californicum David B. Dunn 1947-7-12 2978 Riverside Pushawalla Canyon, Indio Hills. Comment
  SD212753  Phoradendron californicum A. C. Sanders, J. Andre, et al. 2005-2-26 29129 Riverside Southeast of Highway 177 toward dunes above Palen Dry Lake, southeast end of Coxcomb Mountains. 167 Comment
  SEINET10739282  Phoradendron californicum J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12847 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  UC1194595  Phoradendron californicum Del Wiens 1955-10-17 960 Riverside Palms to Pines Highway between Keen Camp and Palm Springs (State Hwy 74); State Hwy 74 Comment
  UCR281867  Phoradendron californicum A. C. Sanders, Jim Malusa 2017-9-21 43356 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  UCR1488  Phoradendron densum Howard York 1962-4-5 s.n. Riverside San Jacinto/Santa Rosa Mtns., Pinyon Flats Campground, Hwy 74 1220 Comment
  UCR270703  Phoradendron densum John F. Emmel 1998-8-3 1583 Riverside Peninsular Range, north end of the Santa Rosa Mountains, south base of Sugarloaf Mountain, Pinyon Flat 1220 Comment
  UCR94061  Phoradendron densum Duayne Haselfeld 1996-7-2 4264 Riverside San Jacinto Mtns., Pinyon Flat Area, north of Hwy 74, c. 10 road miles east of jct. w/ Hwy 371. W facing slope of Sugerloaf Mtn. and adjacent valley 1400 Comment
  UCR92155  Phoradendron macrophyllum D. L. Banks, Steve Boyd 1995-10-17 0823 Riverside NW Palomar Mtns, Agua Tibia Mtns, Cleveland National Forest; Dripping Springs Campground, campsite # 9. 488 Comment
  RSA600564  Phoradendron villosum Louis C. Wheeler 1962-7-27 8176 Riverside Santa Ana Mountains. Headwaters of San Juan Creek. Comment
  JEPS70616  Phragmites australis W. L. Jepson 1914-5-22 6044 Riverside ne Edom (cave in Thousand Palms Canyon); Colorado Desert, Thousand Palms Canyon Comment
  UCR239828  Phyllanthus O. F. Clarke 2007-10-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA443393  Physalis acutifolia J. C. Roos 1965-9-5 s.n. Riverside Blythe. Comment
  RSA788987  Physalis crassifolia Aaron C. Sedgwick, David Fraker 2012-3-28 18 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UCD126797  Physalis crassifolia P. C. Everett; E. K. Balls 1958-4-29 23022 Riverside U.S. Highway 60/70, Indio to Blythe, 1 mile west of Cactus City. 259 Comment
  UCR227001  Physalis crassifolia Jim Andre 2011-2-2 16222 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  UCR94494  Physalis crassifolia Steve Boyd 1981-2-5 s.n. Riverside Peninsular Range, Gavilan Hills Region, S flank of Monument Peak along abandoned road grade leading SW into Dawson Canyon 549 Comment
  UCSB22459  Physalis crassifolia Shaw, Merrilee 1964-4-5 Riverside wash of Box Canyon, 7.3 miles northeast of State Highway 111 at Mecca 106 Comment
  SEINET10389799  Physaria tenella A. C. Sanders, Jim Malusa 2015-3-9 41363 Riverside Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  RSA658964  Pinus lambertiana Diane M. Ramirez 1983-5-15 33 Riverside Ca Hwy 243, 1/2 mi S of Junction with Poppet Flat Divide Truck trail. Comment
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Mar 27 2014
  RSA0077527  Pinus ponderosa G. Wallace 1964-4-22 s.n. Riverside Idlewild Area. Comment
  CAS-BOT-BC79088  Pinus quadrifolia Victor Duran 1933-7-2 3495 Riverside near Santa Rosa, Santa Rosa Mountains 1676 Comment
  NY62442  Pinus quadrifolia N. H. Holmgren 1969-6-18 3587 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SBBG39789  Pinus quadrifolia J. T. Howell 1960-3-24 35150 Riverside rd to Anza just S of Palm to Pines Hwy 1463 Comment
  UCR30553  Piperia cooperi John C. Roos 1950-5-6 4791 Riverside Santa Ana Mtns., Hagador Canyon 427 Comment
  UCR234254  Pistacia atlantica A. C. Sanders, T. B. Salvato 2012-4-27 40097 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, c. 500 m SE of El Hermano Rd. 325 Comment
  CDA36023  Pistia stratiotes Dave Goodward 2010-10-6 s.n. Riverside Sonoran (Colorado) Desert; Thermal, 89635 Ave. 81, west of Hwy 86 and Harrison St. Comment
  UCR137677  Plagiobothrys G. R. Ballmer 1996-4-10 s.n. Riverside Skunk Hollow, 6 mi. east of Murrieta, on W side of Pouroy Road 457 Comment
  UCR91740  Plagiobothrys arizonicus A. C. Sanders, J. Goetzen 1996-5-1 18139 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  UCSB45601  Plagiobothrys canescens Roos, John 1952-4-16 Riverside Pigeon Pass, Box Springs Mts. 396 Comment
  UCR225614  Plagiobothrys collinus A. C. Sanders 2011-3-30 38920 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
  UCR233575  Plagiobothrys collinus A. C. Sanders, John F. Green 2012-4-12 40035 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 370 m NW of El Hermano Rd. 312 Comment
  UC78057  Plagiobothrys collinus var. californicus Edward Lee Greene 1885-1-1 Riverside Temecula Station Comment
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Mar 27 2011
  UCR134643  Plagiobothrys collinus var. californicus Mitch Provance 1998-4-10 410 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  UCR250122  Plagiobothrys collinus var. californicus A. C. Sanders 2014-4-9 40997 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.4 km south of El Hermano Rd., NW of Corona (Lee) Lake 331 Comment
  RSA80199  Plagiobothrys collinus var. ursinus F. W. Peirson 1922-5-19 3041 Riverside Hemet Valley, San Jacinto Mountains. 1341 Comment
  UCR85638  Plagiobothrys leptocladus A. C. Sanders 1993-4-5 13698 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  RSA659690  Plagiobothrys tenellus J. C. Roos 1947-3-21 3367 Riverside Plateau, Reche Canyon 366 Comment
  UCR85533  Plantago elongata A. C. Sanders 1993-4-5 13695 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  RSA563900  Plantago erecta A. C. Sanders 1993-4-5 13695 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  RSA614470  Plantago erecta D. L. Banks 1997-4-5 1705 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  UCR214890  Plantago erecta A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37686 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  POM158198  Plantago lanceolata P. A. Munz, I. M. Johnston 1928-9-6 11281 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  UC64312  Plantago major H. M. Hall 1900-5-29 Riverside vicinity Riverside 304 Comment
  RSA727869  Plantago ovata Naomi Fraga, Lisa Rojas 2005-2-10 1353 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA781617  Plantago ovata Duncan S. Bell 2009-3-8 85 Riverside Arica Mountains: collecting on the mountains ridgeline at the northern part of mountain range approximately 2.7 air miles northwest of Priest Well. 565 Comment
  SEINET3090950 Image available Plantago ovata O. F. Clarke 1973-4-1 Riverside Sonoran Desert, alluvial fan at S entrance to Joshua Tree National Monument, below Cottonwood Springs. Comment
  UC1922394  Plantago ovata Naomi Fraga, Lisa Rojas 2005-2-10 1353 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SEINET9171744  Plantago ovata G. C. Wheeler, J. Wheeler 1968-4-12 s.n. Riverside Deep Canyon Desert Research Area. Comment
  RSA155555  Plantago ovata var. fastigiata L. S. Rose 1962-3-2 62008 Riverside La Quinta 3 Comment
  RSA68981  Plantago ovata var. fastigiata F. W. Peirson 1926-2-22 6510 Riverside Thousand-Palms Canyon; Coachella Valley Comment
  UC1929493  Plantago patagonica Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10500 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA382936  Platanthera leucostachys Anstruther Davidson 1896-07 s.n. Riverside Strawberry Valley. 2439 Comment
  RSA0124389  Platanus racemosa Duncan S. Bell 2016-4-16 9337 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA652518  Platanus racemosa T. C. Thomas 1974-7-5 s.n. Riverside Riverside. 366 Comment
  SD137691  Platanus racemosa Darin L. Banks, Victor Steinmann 1995-7-10 748 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along the Wildhorse Trail, south of lower Arroyo Seco, northwest of Wildhorse Peak. 609 Comment
  POM169735  Platystemon californicus Lyman Benson 1932-3-26 s.n. Riverside 3 miles N [of] Temecula. 457 Comment
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Jun 16 2012
  UCR142190  Platystemon californicus June Latting 1979-4-8 s.n. Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA751407  Plecostachys serpyllifolia R. E. Riefner Jr. 2008-12-16 08 -369 Riverside City of Temecula, Pechanga Pkwy. at Pechanga Resort Dr. 338 Comment
  JOTR16785  Pleuraphis rigida Walters, Jim 1967-5-12 s.n. Riverside Joshua Tree National Park. LOST HORSE RANGER STATION ACCESS ROAD 1341 Comment
  CAS-BOT-BC326578  Pleurocoronis pluriseta H. M. Hall 1905-4-16 5795 Riverside Marshall Canyn 11 km. west of Coachella, Colorado Desert 30 Comment
  RSA0107900  Pleurocoronis pluriseta Duncan S. Bell, Thomas Stoughton 2010-3-19 573 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.3 air miles west of Priest Well. 428 Comment
  RSA472089  Pleurocoronis pluriseta Christopher Davidson 1980-4-4 9948 Riverside West end of the Orocopia Mountains in a small canyon and wash almost due south of Oro Peak. Comment
  RSA472095  Pleurocoronis pluriseta M. B. Dunkle 1933-3-4 3045 Riverside Painted Canyon 61 Comment
  RSA104146  Pluchea sericea F. A. Barkley 1939-5-20 4213 Riverside Roadside 4 miles E. of Blythe Comment
  RSA741264  Poa pratensis Scott D. White, Justin M. Wood 2008-7-10 12455 Riverside Fobes Spring 1500 Comment
  UCR169398  Poa pratensis T. B. Salvato, John F. Green 2004-5-27 608 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
  UC71021  Poa pratensis subsp. pratensis F. A. Blake 1901-6-2 Riverside Rayneta [Idyllwild] Comment
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May 26 2013
  SEINET192616 Image available Poa scabrella Philip A. Munz 1940-3-22 15658 Riverside North slope, Whitewaqater Canyon, 2 miles north of Banning-Indio boulevard Comment
  RSA741431  Poa secunda Scott D. White, Justin M. Wood 2008-6-18 12246 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UCD90298  Poa secunda A. A. Beetle 1944-4-27 3003 Riverside West of Murietta. Comment
  RSA612932  Poa secunda D. L. Banks 1997-3-29 1645 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego Co. line border. 463 Comment
  JOTR33942  Poa secunda subsp. secunda La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2831 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
  RSA679011  Poa secunda subsp. secunda Michael Wall 2003-5-17 316 Riverside Lamb Canyon (Hwy. 79) south of Beaumont, side canyon east side of Hwy., 5.4 miles north of Ramona Expressway. 579 Comment
  UC777917  Poa secunda subsp. secunda Frank W. Gould 1943-4-18 2153 Riverside 1 mi w Banning; San Jacinto Mts Comment
  RSA594047  Polycarpon tetraphyllum D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0925 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 m inside the preserve boundary gate., 3 m E of the main road along a open field. 448 Comment
  RSA518290  Polygonum argyrocoleon George K. Helmkamp 1989-9-16 s.n. Riverside ca. 1/2 mi. S of Hwy I-8 W of Blythe, at Seeley Rd. and state Hwy 78. QH 0N, 1E 75 Comment
  CAS-BOT-BC413912  Polygonum aviculare H. A. Zuill 1966-6-27 244 Riverside 2-4 miles WSW of Murrieta Comment
  POM49095  Polygonum bistortoides P. A. Munz, I. M. Johnston 1924-7-27 8769 Riverside Deer Springs, San Jacinto Mountains 2500 Comment
  POM224747  Polygonum hydropiperoides P. A. Munz 1935-10-21 14652 Riverside Santa Ana River, below Rincon. Comment
  UCR167426  Polypogon monspeliensis 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
  UCR2728  Polypogon monspeliensis F. M. Reed 1932-9-26 7304 Riverside San Jacinto Mtns., Stream bed above Hemet Lake, near bridge 1326 Comment
  IRVC162  Polystichum imbricans subsp. curtum Lorene Lewton 1965-4-24 HS 552 Riverside Highway 74; 1 mile WSW of Mountain Center. Peninsular Ranges, San Jacinto Mountains Comment
  POM12944  Polystichum imbricans subsp. curtum P. A. Munz, I. M. Johnston 1922-5-19 5392 Riverside Keen Canyon, San Jacinto Mountains. 1524 Comment
  POM360762  Populus fremontii H. de Forest 1933-4-17 s.n. Riverside Chino Canyon, Colorado Desert. Comment
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Mar 28 2011
  CAS-BOT-BC356166  Porophyllum gracile Carl B. Wolf 1932-4-29 3093 Riverside Eastern Colorado Desert. W. edge of Maria Mts. 17 mi. from Blythe on Rice Road 152 Comment
  HSC78516  Porophyllum gracile G. K. Helmkamp 1983-3-24 3835 Riverside Chuckwalla Valley, at junction of the Graham Pass & Chuckwalla Springs Rd. 229 Comment
  SD231232  Porophyllum gracile Scott D. White 2001-3-13 8158 Riverside Perris / Elsinore Basins: Minifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Road. 441 Comment
  UCR68618  Porophyllum gracile Steve Boyd, D. E. Bramlet 1990-4-29 4485 Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  CAS-BOT-BC452154  Potamogeton diversifolius H. M. Hall 1901-7-1 2490 Riverside San Jacinto Mountains. Shores of Lake Surprise 2499 Comment
  HSC83831  Potamogeton foliosus R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47291 Riverside Santa Rosa Plateau, Rancho California near junction of road to Santa Rosa Ranch from Tenaja Rd. 549 Comment
  RSA0027579  Prosopis glandulosa Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 33 Riverside At Corn Springs Campground. Comment
  JEPS65583  Prosopis glandulosa var. torreyana Marjorie Clary 1934-5-14 Riverside Coachella Comment
  SD229161  Prosopis glandulosa var. torreyana Dick Schwenkmeyer 2012-11-6 874 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  UC1129890  Prosopis pubescens H. S. Yates 1936-4-8 5451 Riverside 5 mi se Coachella; Thermal Quad. 30 Comment
  UC1280978  Prosopis pubescens H. E. McMinn 1937-3-6 5008 Riverside 1 mi e Blythe Comment
  RSA229798  Prunus fremontii Philip A. Munz 1937-5-30 15133 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  SD73396  Prunus fremontii Nancy Ryan Zabriskie, Walter Zabriskie 1969-4-2 180 Riverside Upper slopes northwest of end of Andreas Canyon Club Road 487 Comment
  CLARK-A1528-3071  Prunus ilicifolia K. R. Montgomery 1969-9-9 Riverside Reed Valley Comment
  CAS-BOT-BC356337  Psathyrotes ramosissima Alice Eastwood 1913-4-30 3118 Riverside Palm Springs Comment
  RSA472320  Psathyrotes ramosissima J. W. Jamie 1906-4-1 1456 Riverside Mecca Comment
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Nov 30 2009
  RSA726519  Psathyrotes ramosissima Naomi Fraga, Lisa Rojas 2005-2-10 1403 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UCD135055  Pseudognaphalium biolettii Nancy Ryan Zabriskie 1974-3-27 694 Riverside North side canyon downstream from 'Big Pool', Andreas Canyon, San Jacinto Mountains. 335 Comment
  UCR183017  Pseudognaphalium biolettii Mitch Provance 2003-5-5 4429 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  CHSC256  Pseudognaphalium californicum E. Thomas 1940-4-21 Riverside Palm Canyon. 457 Comment
  UC1523586  Psilocarphus brevissimus var. brevissimus Robert F. Thorne, M. Z. Thorne, and W. Wisura 1978-5-21 51970 Riverside Mesa de Colorado Santa Rosa Plateau 609 Comment
  SJSU5521  Psilostrophe cooperi R. C. McGehee 1970-4-16 215 Riverside by road between Wileys Well & Nyland Comment
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Aug 30 2007
  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
  CAS-BOT-BC346357  Psorothamnus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  SBBG68078  Psorothamnus arborescens Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  UCSB3073  Psorothamnus arborescens Eriksen, C. 1954-4-29 Riverside 3 mi. W of Morongo Valley along Hwy. Comment
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Oct 22 2014
  LA205211  Psorothamnus arborescens var. simplicifolius J. A. Ewan; 1930-4-18 3080 Riverside 3 mi. E of Painted Hill, road to Morongo Valley Comment
  UC667246  Psorothamnus arborescens var. simplicifolius Annie M. Alexander and Louise Kellogg 1941-5-12 2156 Riverside 5.5 mi NE of Cottonwood Spring; Eagle Mountains, Colorado Desert 868 Comment
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Feb 4 2013
  JEPS41639  Psorothamnus emoryi E. E. Schellenger Jul 25 1903-Aug 14 1903 52160 Riverside between Palm Springs and Whitewater; Colorado Desert, betw Palm Springs and Whitewater Comment
  UCR177408  Psorothamnus emoryi John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  CAS-BOT-BC340876  Psorothamnus schottii Philip A. Munz 1937-5-29 15144 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  JEPS41645  Psorothamnus schottii I. W. Clokey, B. C. Templeton 1930-4-9 4688 Riverside North of Palm Springs, Colorado Desert 51 Comment
  POM21637  Psorothamnus schottii F. W. Peirson 1921-4-13 566 Riverside Deep Canyon Wash, Coachella Valley Comment
  SBBG3320  Psorothamnus schottii H. and M. Dearing 1936-12-25 790 Riverside Thousand Palms Cyn Comment
  UCD84489  Psorothamnus spinosus Chuck Hughes 2010-6-15 150 Riverside About 70 feet north of Highway 62, between the highway and railroad tracks. Tree is barely inside San Bernardino County boundary by less than 30 feet. 285 Comment
  SEINET12155968  Psorothamnus spinosus Unknown 1936-1 12795 Riverside Colorado Desert N of Palm Springs Comment
  POM12877  Pteridium aquilinum var. pubescens P. A. Munz 1922-7-5 6012 Riverside Tahquitz Valley, San Jacinto Mountains 2194 Comment
  RSA798605  Pteridium aquilinum var. pubescens R. F. Thorne, E. W. Lathrop 1977-5-18 49759 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  RSA522713  Pterostegia drymarioides Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3899 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
  RSA771694  Pterostegia drymarioides Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4690 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
  UCR116775  Pterostegia drymarioides A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23896 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR158350  Pterostegia drymarioides A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30080 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
  UCR213601  Pterostegia drymarioides A. C. Sanders, Matthew Malle 2010-4-23 37989 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  JOTR31121  Purshia tridentata var. glandulosa La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2503 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
  RSA336052  Purshia tridentata var. glandulosa Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52082 Riverside Pinyon Flats: along Hwy 74, Santa Rosa Mountains. Comment
  RSA0080589  Pyrola dentata Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1441 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  RSA50466  Quercus X munzii P. A. Munz 1946-10-21 11590 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 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
  CAS-BOT-BC61818  Quercus agrifolia Peter Raven 1958-5-18 12982 Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  RSA0086759  Quercus agrifolia R. G. Swinney 1967-5-26 11730 Riverside Snow Creek. 335 Comment
  RSA180341  Quercus agrifolia E. W. Lathrop 1965-4-4 5646 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UC66532  Quercus agrifolia E. A. Zumbro 1904-1 424 Riverside Cold Water Canyon Santa Ana Mts. Comment
  UCR155948  Quercus agrifolia T. B. Salvato, Kent Beaman 2005-5-16 820 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCSB1049  Quercus agrifolia var. oxyadenia Neely, William Riverside on Banning Road 1280 Comment
  POM296368  Quercus berberidifolia Lyman Benson 1945-11-10 11916 Riverside 5 miles east of Temecula. 457 Comment
  RSA476773  Quercus berberidifolia E. Crow 1929-4-21 345 Riverside Near Lake Elsinore Comment
  UCR135862  Quercus berberidifolia A. C. Sanders 2004-4-20 27524 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  RSA502497  Quercus cornelius-mulleri Steve Boyd 1989-6-11 3739 Riverside Vail Lake area, S flank of Oak Mountain, N of the lake. 549 Comment
  SEINET2066423 Image available Quercus dumosa B. Pitzer, Jack Easton 1987-3-10 412 Riverside Anza Area, hills S of Thomas Mtn., ca. 3 miles E of town of Anza on N side of Hwy 371, Butterfly Peak Quad. 1341 Comment
  UC119177  Quercus dumosa J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  RSA39266  Quercus engelmannii P. A. Munz 1946-10-18 11559 Riverside On grade 0.5 mile south of Sage 716 Comment
  SD122862  Quercus engelmannii Steve Boyd 1985-7-30 1047 Riverside 7.8 miles west of Rancho California, De Luz road Comment
  CAS-BOT-BC104316  Quercus palmeri A. C. Sanders; Mitch Provance 1998-5-14 21848 Riverside Jurupa Mtns: Rattlesnake Mtn. (hill 1452 m), Crestmore, above watertank W of Cedar Ave., above intersection of Andalusia and Malaga Streets 396 Comment
  POM262901  Quercus palmeri J. C. Roos 1941-5-9 120 Riverside Near summit of Pines to Palms Road Comment
  SEINET3071475  Quercus turbinella Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17493 Riverside Queen Mountain quadrangle, zone 11 0585690mE 3765105mN NAD83, Desert Queen Mine (McHaney's Mine), 12.5 km SSW of Twenty Nine Palms, 1.3km ESE of Negro Hill 1325 Comment
  UCD166226  Quercus turbinella Jack Major 1962-4-16 769 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  UCD73482  Quercus wislizeni A. C. Sanders; T. Tennant 1997-11-14 21603 Riverside San Bernardino Mtns.: Morongo Indian Reservation, sag pond at SE end of Burro Flats. 1110 Comment
  CAS-BOT-BC362415  Rafinesquia Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  RSA613719  Rafinesquia californica D. L. Banks 1997-4-5 1694 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  UCR123863  Rafinesquia californica Steven R. Hill 2001-5-3 33678 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR17633  Rafinesquia californica Jeanine Derby, O. F. Clarke 1974-5-3 s.n. Riverside Lakeview Comment
  CAS-BOT-BC362618  Rafinesquia neomexicana Ira L. Wiggins 1941-3-27 9688 Riverside 9 miles west of Desert Center Comment
  RSA399353  Ranunculus alismifolius var. alismellus G. Hasse s.n. Riverside San Jacinto. Comment
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Jun 14 2012
  SD68942  Ranunculus californicus Robert F. Thorne, E. Lathrop, O. Clarke, S. Carlquist 1968-4-18 37427 Riverside Santa Rosa Plateau: in grasslands on Mesa de Colorado near large vernal marsh, Rancho California 671 Comment
  UC827665  Ranunculus californicus P. A. Munz 1922-4-28 5019 Riverside 5 mi nw Corona 274 Comment
  SD152770  Ranunculus hebecarpus Steve Boyd, T. Ross, O. Mistretta 1992-3-31 6759 Riverside Santa Ana Mountains, San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/Morgan Tr. S to Pigeon Spring area 671 Comment
  RSA557314  Ranunculus oxynotus Julie Greene, Steve Boyd, D. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1415 Riverside San Jacinto Wildlife Area: from the edge of drying flood area. 433 Comment
  RSA524456  Rhamnus crocea Steve Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4075 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
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Nov 5 2011
  RSA701472  Rhamnus crocea M. Wall 1996-6-26 184 Riverside S of beaumont, 1.8 mi S of Fwy 10, canyons W of Hwy 79. Associated plants include: Adenostoma fasciculatum, Cercocarpus betuloides, Quercus berberidifolia, Prunus illicifolia, and Salvia mellifera. Comment
  UCR249823  Rhamnus crocea T. B. Salvato, John Lovio 2013-3-19 7361 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  RSA505024  Rhamnus ilicifolia D. Charlton 1988-5-21 1909 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  UCR101449  Rhamnus ilicifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22226 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  UCR194211  Rhamnus ilicifolia Scott D. White, Angelia Carey 2004-6-4 10463 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR54446  Rhamnus ilicifolia A. C. Sanders, E. J. Lawlor 1988-10-22 8735 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  POM19809  Rhamnus tomentella subsp. cuspidata Mary F. Spencer 1923-7-1 2189 Riverside Fern Valley. 1677 Comment
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Nov 18 2011
  UC18587  Rhamnus tomentella subsp. cuspidata H. M. Hall 1901-6 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  UCR173870  Rhamnus tomentella subsp. cuspidata Scott D. White, Pam DeVries 2000-4-25 7731 Riverside Peninsular Ranges/ Perris-Aguanga Basin, Temescal Valley, Corona area: E foothills of the Santa Ana Mtns, just above citrus groves 518 Comment
  IRVC80  Rhus ovata R. H. Whittaker, W. A. Niering 1963-5-30 SJ 87 Riverside Palm Desert to Mountain Center, Santa Rosa Mountain Rd. Santa Rosa Mountains 1524 Comment
  SBBG51899  Rhus ovata M. Hilend 1928-4-8 167 Riverside ca. 3 mi W of Lake Elsinore Comment
  UCD116938  Rhus ovata T. B. Salvato; Kent Beaman 2005-5-16 880 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  UCR58632  Rhus ovata James C. Dice, Ruth Miller 1987-11-23 755 Riverside Peninsular Range, Temecula Gorge, south side of aqueduct crossing 260 Comment
  CAS-BOT-BC93064  Ribes californicum var. hesperium John Thomas Howell 1931-5-30 6597 Riverside Santiago Peak Trail, Santa Ana Mountains. Comment
  SEINET238554 Image available Ribes cereum var. cereum George K. Helmkamp 1998-6-27 4127 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  RSA1249  Ribes indecorum B. D. Stark 1930-3-18 1487 b Riverside 1/2 way up west side of Mt San Jacinto. Comment
  RSA543129  Ribes indecorum Steve Boyd, C. Boyd, K. A. Boyd 1991-3-16 5469 Riverside Cahuilla Mountain between Anza and Hemet, SW of Bautista Cyn. 1067 Comment
  RSA221080  Ribes malvaceum var. viridifolium E. W. Lathrop 1966-5-8 6424 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  SD229186  Ribes nevadense Dick Schwenkmeyer 2012-8-27 811 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  RSA5920  Ribes roezlii Carl B. Wolf 1932-8-5 3969 Riverside Along trail from Tahquitz Valley to San Jacinto Peak. Above the small stream and meadows feeding Tahquitz Creek. 2805 Comment
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Aug 8 2007
  CHSC1217  Romneya coulteri E. Thomas 1940-5-11 Riverside Temescal canyon. Comment
  HSC73100  Romneya coulteri Robert A. Schlising 1973-6-25 3105 Riverside SW of Corona, deadend road 2.1 mi. SW of junction with Hwy. 71 Comment
  SD1956  Rorippa nasturtium-aquaticum Frank Stephens 1926-1 Riverside Aguanga Comment
  UCR95251  Rorippa nasturtium-aquaticum D. L. Banks, E. H. Banks 1996-5-2 950 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  UC519954  Rosa californica Louis C. Wheeler 1931-10-4 204 Riverside Strawberry Valley San Jacinto Mts. 1584 Comment
  RSA741212  Rumex acetosella Scott D. White, Justin M. Wood 2008-5-15 11989 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  JOTR32381  Rumex crispus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2489 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  CLARK-A1045-331  Rumex hymenosepalus George K. Helmkamp 1977-3-20 Riverside Cabazon roadside in Cabazon; Cabazon 7.5'Q Comment
  UC6968  Rumex salicifolius var. salicifolius H. M. Hall 1901-7-1 2474 Riverside Tauquitz Valley San Jacinto Mountains 2743 Comment
  SEINET10626255  Salix Nye Leith, Greg Gust 2005-3-11 Nye 66 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  UC717268  Salix exigua W. A. Setchell and Victor Duran 1935-4-19 9 Riverside 1000 Palm Canyon; Indio Region Comment
  UCR101456  Salix exigua A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22224 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  UCR270564  Salix exigua var. hindsiana John F. Emmel 1998-5-2 1541 Riverside San Jacinto Mtns., SW foothills, Bautista Canyon, 0.4-0.5 road mile SE of national forest boundary 723 Comment
  CAS-BOT-BC126716  Salix gooddingii A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-3-31 37670 Riverside Peninsular Range; foothills of Gavilan Hills: Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 366 Comment
  SBBG119448  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Walker Cyn at N foot of Alberhill Mtn, Temescal Crk 378 Comment
  UCR121089  Salix gooddingii A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24971 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  RSA0010970  Salix hindsiana Patricia Wilder 1971-9-29 5275 Riverside San Jacinto River drainage area. Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  JOTR35495  Salix laevigata La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3183 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  UCD111123  Salix laevigata C. L. Hitchcock 1966-3-15 24153 Riverside 1 mi. e. of Glen Ivy Hot Springs. Comment
  CSUSB919  Salix lasiandra Oscar F. Clarke, M. Alexander 1971-3-31 Riverside Santa Ana River Santa Ana River bottom, in (city of) Riverside. Union Pacific Bridge. Comment
  RSA770783  Salix lasiolepis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4596 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0035638  Salix lasiolepis Phil Elliott 1981-2-16 9 Riverside On Santa Rosa Road, 3.9 miles west of CA Hwy. 74. Comment
  UCR13438  Salix lucida subsp. lasiandra Mike McCloskey 1973-5-10 s.n. Riverside Riverside, Santa Ana River bed a few hundred yards east of Union Pacific RR crossing 229 Comment
  CDA23465  Salsola australis R. E. Riefner Jr. 2007-1-31 Jul- 32 Riverside City of Temecula, along Highway 79 at Bedford Court; east on block from I-5 Freeway. Comment
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Nov 27 2013
  RSA771779  Saltugilia australis Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5034 -a 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
  OBI2704  Saltugilia splendens subsp. splendens Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  POM70719  Salvia apiana Marcus E. Jones 1906-4-19 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  RSA411371  Salvia carduacea Ora M. Clark 1929-3-16 1689 Riverside South of Cabazon. Comment
  SEINET7970252  Salvia carduacea I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-1 4624 Riverside Perres, Gavilan Peak. 600 Comment
  UCR136929  Salvia carduacea B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1482 Riverside Gavilan Hills, between Perris and Gavilan Peak 500 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
  RSA401489B  Salvia columbariae N. C. Cooper 1947-4-5 2118 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA614627  Salvia columbariae D. L. Banks 1997-3-29 1569 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
  RSA446317  Salvia greatae E. C. Jaeger 1930-2-26 s.n. Riverside Salt Creek Wash, above Dos Palmos, Colorado Desert. Comment
  SDSU12925  Salvia mellifera Jutta Buschbom 1991-6-20 40 b Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  SDSU13635  Salvia mellifera W. Miller, C. Mosse 1972-7-20 Riverside By olive trees 100 yards from fork. Comment
  SEINET2066044 Image available Salvia mellifera Ed LaRue 1989-4-25 Riverside Two miles NW of Lake Elsinore, adjacent to Cleveland National Forest, at mounts of Rice and McVicker Canyons. 487 Comment
  UC883960  Salvia mellifera C. L. Hitchcock 1940-4-12 6047 Riverside 8 mi nw Elsinore 457 Comment
  CAS-BOT-BC224848  Salvia pachyphylla Nancy Ryan Zabriskie; Walter Zabriskie 1971-8-21 438 Riverside Below Santa Rosa Spring Camp, Santa Rosa Mountain road 2194 Comment
  UC25680  Salvia pachyphylla H. M. Hall 1901-6-1 2160 Riverside e base along the borders of the Colorado Desert San Jacinto Mts.; Colorado Desert, San Jacinto Mts. 1402 Comment
  SEINET2077546  Salvia pachyphylla S. Rhodes, L. Brandt, R. Taylor, M. Hansen 1999-1 Riverside Comment
  RSA444483  Salvia vaseyi J. C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mountains: Pines to Palms Highway (74), below Dos Palmas Springs. Comment
  RSA727067  Salvia vaseyi Jay Walker, R. C. Walker 3101 Riverside Ca. 6 miles NE of Pinyon Flats, along hwy 74, at mile marker 87.25 in the first pullout uphill from Vista Point. Comment
  UCR235522  Salvinia minima R. E. Riefner Jr. 2009-2-25 09- 17 Riverside Peninsular Range, city of Lake Elsinore, south side of Temescal Wash, west of Hwy 74, vicinity of Bromley Ave. at Bennett St. 380 Comment
  RSA477537  Sambucus caerulea N. C. Cooper 1949-6-24 4312 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  UC1979556  Sambucus nigra subsp. caerulea Darin L. Banks, Steve Boyd 1995-5-3 270 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UC875453  Sanicula bipinnatifida I. W. Clokey, E. G. Anderson 1935-4-16 6776 Riverside e of Hemet 800 Comment
  UCR137474  Sanicula bipinnatifida D. L. Banks 1997-4-5 1692 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UCR56076  Sanicula crassicaulis 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
  UCR29260  Sanicula tuberosa A. C. Sanders, K. Berg 1980-5-1 01358 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  CLARK-A1528-289  Santolina chamaecyparissus Oscar F. Clarke 1973-5-29 OO 112 Riverside Riverside 274 Comment
  SDSU9908  Sarcodes sanguinea unknown 1935-5-1 Riverside Idyllwild Comment
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Jan 24 2013
  JOTR30077  Sarcostemma hirtellum La Doux, Tasha, Bill Truesdell 2006-10-3 1720 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  UC68708  Sarcostemma hirtellum H. M. Hall Apr., 1905 5857 Riverside Canyon Springs Colorado Desert, Canyon Springs Comment
  UCR214864  Sarcostemma hirtellum A. C. Sanders 2010-3-23 37526 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  UCR189554  Satureja chandleri Andrea Salzman 2006-5-3 091 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, c. 0.3 mi northeast of Mesa de Burro's northern edge, specimen found on north side of Miller Canyon 306 Comment
  UCR125278  Schinus terebinthifolius A. C. Sanders 2003-1-18 25666 Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, Sunnyslope Channel near confluence with Santa Ana River 220 Comment
  RSA0014458  Schismus arabicus Justin M. Wood, J. Miner 2010-4-29 1531 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  SEINET3127004 Image available Schismus arabicus A. C. Sanders, Richard Dwerlkotte 2010-3-22 37502 Riverside Sonoran (Colorado ) Desert: Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. (Sidewinder Well 7.5' Q). 140 Comment
  CLARK-A1528-922  Schismus barbatus Patricia A. Andrews 1975-3-13 5900 Riverside Rubidoux Comment
  RSA0023242  Schismus barbatus Jim Andre 2013-3-4 23866 Riverside Sandy bluffs overlooking Colorado River, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point. 96 Comment
  RSA651602  Schismus barbatus Marion P. Harthill 1973-2-17 1559 Riverside Snow Creek, Palm Springs 366 Comment
  UCSB9696  Schismus barbatus Van Leeuwen, Henry 1957-4-13 Riverside US 60 near junction with Cal. 195 Comment
  UCR20373  Schoenoplectus americanus John C. Roos, L. Roos 1952-6-10 5762 Riverside San Bernardino Valley Region, Fairmont Park in Riverside, edge of lake 259 Comment
  RSA92140  Schoenoplectus americanus F. W. Peirson 1921-3-20 2848 Riverside Palm Canyon, Colorado Desert. 305 Comment
  UC2094  Scirpus cernuus A. J. McClatchie May, 1892 24 Riverside Elsinore Comment
  UC574975  Scirpus maritimus C. Epling and J. Ewan June, 1933 Riverside s shore Lake Elsinore; s shore Lake Elsinore Comment
  POM320443  Scirpus microcarpus Worthman 1968-5-16 154 Riverside 4.4 miles west of Murrieta. 320 Comment
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Jun 16 2013
  UCR127102  Scrophularia californica Mitch Provance 1998-6-1 575 Riverside Jurupa Mountains, SW Pyrite Canyon, c. 0.4 miles SSE of peak 1768 442 Comment
  UCR241635  Scrophularia californica T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 351 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR263718  Scrophularia californica Mark A. Elvin, Tricia Wotipka 2002-4-30 1953 Riverside South Coast Floristic Ecoregion, Badlands east of Riverside, 5 km southwest of Beaumont, La Borde Canyon 793 Comment
  RSA160553  Scutellaria bolanderi subsp. austromontana J. D. Olmsted 1959-3-7 728 Riverside Strawberry Creek just above drop off near Isomata below Idyllwild. Alt: 4950 ft. 1509 Comment
  SD73615  Scutellaria mexicana Heloen V. Witham 1970-4-29 837 Riverside On flat, 29.2 miles of L. Hemet, on Highway 74. 1299 Comment
  UCR35331  Scutellaria siphocampyloides L. B. Ziegler 1965-6-8 54 Riverside San Jacinto Mtns., Hemet (Thomas/Garner) Valley, side canyons of the valley 1448 Comment
  UCR48495  Selaginella bigelovii Steve Boyd 1985-12-24 1195 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  CAS-BOT-BC69810  Selaginella bigelovii Lewis S. Rose 1959-1-14 59014 Riverside White Water. 426 Comment
  UC1495242  Selaginella eremophila Robert T. Clausen and Harold Trapido 1940-6-18 4678 Riverside near Palm Springs (mouth of Chino Canyon); Salton Sea Basin, San Jacinto Mts. 457 Comment
  RSA489838  Selaginella watsonii D. Charleton 1988-5-28 2136 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area 2286 Comment
  UCSB7410  Senecio flaccidus var. douglasii Ferris, R.; Bacigalupi, Rimo 1953-4-20 Riverside Road to Las Palms Canyon, ca. 4 miles N. of Shaver Summit 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
  JOTR16674  Senegalia greggii Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. SPLIT ROCK AREA 1310 Comment
  RSA737121  Sesuvium verrucosum Justin M. Wood 2008-10-15 187 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCSB39336  Sesuvium verrucosum Jorgensen, Jan 1982-3-23 Riverside Desert Beach along highway 111, Salton Sea 70 Comment
  RSA579290  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 6778 Riverside Santa Ana Mountains., Elsinore Peak area, S of Lake Elsinore. South base of Peak (3448) to SE of Elsinore Peak area. 1000 Comment
  LA205908  Sidalcea malviflora O. A. Plunkett; 1926-4-18 sn Riverside Temecula Comment
  RSA450135  Sidalcea neomexicana J. C. Roos 1966-5-19 s.n. Riverside 3 miles west of San Jacinto, San Jacinto Valley Comment
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Feb 16 2009
  UCSB42253  Sidalcea neomexicana Roos, John 1966-5-19 Riverside 3 miles west of San Jacinto, San Jacinto Valley Comment
  UCR132899  Silene gallica G. R. Ballmer 1998-3-14 s.n. Riverside Santa Ana Mtns., Walker Basin, west of Temecula, south of Rancho California Rd., vicinity of Via Vaquero 396 Comment