Search Results — 2000 specimen records retrieved (1888 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229308  Abronia villosa John F. Green 2005-3-3 s.n. Riverside Sonoran (Colorado) Desert: Salton Basin, E of Salton Sea, ca. 4 mi N of Niland; between siphons 10 and 11 46 Comment
  CAS-BOT-BC229317  Abronia villosa Mrs. Robert Campbell 1921-11-26 10 Riverside Palm Springs Comment
  CAS-BOT-BC229338  Abronia villosa D. E. Bramlet; Fred M. Roberts; Michael C. Couffer 2004-4-7 3548 Riverside Perris-Aguanga Basin: South Barnasconi Hills. Adjacent to existing access road. 244 m S of the Ramona Expressway and 2.2 km W of the San Jacinto River 487 Comment
  SD126093  Abronia villosa Lyman Benson 1949-3-28 13582 Riverside 1.0 mile north of Palm Springs, from east end of Pines to Palms Highway, Santa Rosa Mountains. 99 Comment
  SEINET1906290  Abronia villosa Sarah J. De Groot, J. Mark Porter 2006-1 5203 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. 351 Comment
  UCD109831  Abronia villosa Rudolf Schmid 1962-4-29 s.n. Riverside Near Sunrise Way and Ramon Street, Palm Springs. Comment
  RSA593979  Abronia villosa var. aurita D. L. Banks, Elizabeth Hedge Banks 1996-5-2 966 Riverside NW Palomar Mountains; Agua Tibia Mountains; WSW of Dorland Mtn., in the Pechanga Indian Reservation; Along the sandy margins of Pechanga Creek, approximately 15 m E of Pala Road. 351 Comment
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May 12 2011
  RSA69958  Abronia villosa var. aurita F. W. Peirson 1922-4-21 3340 Riverside Hemet Valley 1357 Comment
  RSA799920  Acacia dealbata Justin M. Wood, D. M. Ray 2011-4-28 3841 Riverside Sonoran Desert: Chuckwalla Valley: Kaisers Eagle Mountain Mine, northwest end of the Chuckwalla Valley. Near old mining community. 340 Comment
  SFV5010  Acamptopappus sphaerocephalus F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Old excavated bench, Seven Level Hill about 11 miles south of Palm Desert on Route 74 to Hemet. 610 Comment
  UC29227  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall 1901-6-1 2108 Riverside eastern base San Jacinto Mountains; Colorado Desert Comment
  UC890980  Achillea millefolium unknown 1932-8-4 3926 Riverside 1.5 mi from, on road to Banning Idyllwild; San Jacinto Mts., Strawberry Valley 1706 Comment
Read comments
Nov 2 2011
  UC39993  Achnatherum parishii H. M. Hall 1901-6 2309 Riverside near Tauquitz; San Jacinto Mountains 2133 Comment
  RSA741606  Achnatherum parishii subsp. parishii Scott D. White, Justin M. Wood 2008-6-16 12132 Riverside Fobes Ranch Road N of Quinn Flat 1390 Comment
  SD224961  Acmispon argophyllus G. K. Helmkamp 1998-4-3 3069 Riverside Whitewater River, bordering the N side of Hwy I-10; E side of the river. 395 Comment
  SDSU4340  Acmispon glaber S. J. Barnhart 1966-4-24 660424 -1 Riverside South-West facing slope of small hil 0.1 miles east of McAllister St. along the Metropolitan Water Co. utility road (dirt), which is 1.5 miles south-east of the intersection of McAllister St. and Victoria avenue. 457 Comment
  SD216482  Acmispon haydonii Jay B. Walker, Noah C. Goldstein 1995-3-21 1267 Riverside West of Palm Desert along highway 79, 3 kilometers east of Pinyon Flat Campground 1200 Comment
  RSA0125289  Acmispon maritimus var. brevivexillus Duncan S. Bell 2016-3-4 8794 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
  JOTR35199  Acmispon strigosus Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21108 Riverside Joshua Tree National Park. Long Canyon, upper watershed on east ridge, 1.1 miles south of radio tower, approx. 6 mi. south of town center of Yucca Valley 1206 Comment
  RSA220969  Acourtia microcephala E. W. Lathrop 1966-5-8 6507 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCR58848  Acourtia microcephala Steve Boyd, T. Ross, L. Arnseth 1989-6-4 3625 Riverside Butterfield Valley, Vail Lake area, just south of junction of Hwy 79 and road to the marina 460 Comment
  RSA730044  Adenophyllum porophylloides R. F. Thorne 1966-10-15 41799 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  UCR174954  Adenostoma fasciculatum Jennifer H. Jones 2006-6-6 383 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  UCR251946  Adenostoma fasciculatum Harun Bektas 2011-4-26 16 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  RSA679820  Adenostoma fasciculatum LeRoy Gross, Valerie Soza 2003-5-8 829 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  RSA453184  Adenostoma sparsifolium H. de Forest 1932-8-24 s.n. Riverside West side of San Jacinto Valley. Comment
  SBBG70866  Adenostoma sparsifolium M. N. Ackley -May-1929 1269 Riverside Tahquitz [Lodge] 1524 Comment
  RSA687674  Adiantum capillus-veneris L. C. Wheeler 1933-12-1 2295 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  RSA369161  Agave deserti Jack Rempel 1934-3-3 18663 Riverside Berdoo Canon, Little San Bernardino Mtns. 671 Comment
  SEINET3412082 Image available Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28527 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1234 Comment
  POM13110  Agoseris heterophylla var. heterophylla P. A. Munz, I. M. Johnston 1922-5-20 5479 Riverside Kenworthy, San Jacinto Mts 1418 Comment
  SD127982  Agrostis idahoensis Michael Curto 1989-8-6 600 Riverside San Jacinto Mountains, Fuller Ridge Trail. At springy north headwaters of Fuller Mill Creek. 2695 Comment
  RSA613952  Ailanthus altissima A. C. Sanders 1994-7-27 15157 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge. 244 Comment
  JEPS13818  Alhagi maurorum F. M. Turner 1915-7-19 Riverside Mecca Comment
  SEINET12509589 Image available Aliciella latifolia A. C. Sanders 1983-1 3803 Riverside Sonoran (Colorado) Desert; E side of the Salton Sea, at the mouth of Salt Creek, 2 mi. north of the Imperial County line along Hwy 111 -70 Comment
  CDA23223  Allenrolfea occidentalis T. C. Fuller 1962-10-3 9708 Riverside Highway 95 to Blythe, 1.7 miles south of Palo Verde Dam Road. 0 Comment
  JEPS61264  Allionia incarnata Marjorie D. Clary 1933-1-1 1719 Riverside Colorado Desert, Santa Rosa Mountains Santa Rosa Mountains; Colorado Desert, Santa Rosa Mountains 45 Comment
  POM47779  Allionia incarnata Mary F. Spencer 1918-3-27 771 Riverside In desert sand, Palm Canyon. 168 Comment
  RSA0027470  Allionia incarnata Deidre Conocchioli, Billy Sale, Naomi S. Fraga 2013-9-25 57 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
  RSA763987  Allionia incarnata Justin M. Wood, D. M. Ray 2010-10-21 2992 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  CAS-BOT-BC131987  Allium haematochiton Steve Boyd 1986-4-22 1769 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15 Comment
  RSA689373  Allium haematochiton Scott D. White 2001-4-19 8376 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
  UCR113750  Allium haematochiton June Latting 1978-6-4 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 640 Comment
  UCR37470  Allium haematochiton Steve Boyd 1981-4-6 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mtn. summit 823 Comment
  UCR261555  Allium marvinii John F. Green 2015-4-30 s.n. Riverside San Bernardino Mtns. Foothills, powerline route in hills north of Banning and west of Banning Canyon, east of Moore St. 898 Comment
  RSA574725  Allium munzii Steve Boyd 1982-3-28 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain just east of extensively mined area. 427 Comment
  RSA785116  Allium munzii Valentin Arvizu 2008-4-17 5 Riverside De Palma Rd. and Indian Truck Trail; Saddleback Estates Preserve Area - USGS Alberhill quad 427 Comment
  UCR42429  Allium munzii Steve Boyd 1986-4-10 1641 Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon. De Palma Road between Indian Truck Trail & Horsethief Canyon, 1.2 mi east of the Indian Truck Trail exit of Hwy I-15. 372 Comment
  UCR79363  Allium munzii Steve Boyd 1992-4-18 6905 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy 215; just SW of the junction of Briggs Road and Scott Road 457 Comment
  POM1634  Allium peninsulare var. peninsulare I. M. Johnston 1918-4-27 1884 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  UCR104085  Allophyllum divaricatum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20633 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
  UCR16653  Allophyllum divaricatum Frances McKinley 1968-5-4 680305- 4 Riverside San Jacinto Mtns., slope 2.8 mi up Banning-Idylwild Road on S side 915 Comment
  UCR275933  Allophyllum divaricatum T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3784 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
  RSA411100  Allophyllum glutinosum Albert J. Perkins 1924-5-11 s.n. Riverside Trail to Santiago Peak, near Glen Ivy Hotel, N. Elsinor. Comment
  POM2092  Alnus rhombifolia I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon 274 Comment
  SD217239  Alnus rhombifolia Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-2 6653 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest; lower half of Tenaja Canyon, especially about Fishermans Camp. Comment
  JOTR32461  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2606 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  CDA3263  Amaranthus albus E. E. Hogan 1958-9-12 1227 -58 Riverside 0 Comment
  UCR174250  Amaranthus blitoides A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32496 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA714661  Amaranthus blitum A. C. Sanders 2001-11-25 24887 Riverside Moreno Valley, Home Depot at Pigeon Pass Rd. on north side of Hwy 60. 503 Comment
  SD187323  Amaranthus palmeri Scott D. White, Angelia Carey 2004-9-16 10756 Riverside San Jacinto Mountain foothills: Roadside, intersection of Soboba Road and Castile Canyon Road. 509 Comment
  SD146057  Amaranthus retroflexus A. C. Sanders, Mitch Provance 1999-9-26 23116 Riverside San Jacinto Valley: Mystic Lake, 1.4 mile southeast of Jackrabbit Trail on Gilman Springs Road, 1.4 mile south of Eden Hot Springs. 433 Comment
  UC1929936  Ambrosia acanthicarpa Scott D. White 2003-10-9 9826 Riverside San Jacinto Mountains: Pine Cove area. Dutch Flat. San Jacinto Peak 7.5' Quad. Comment
  UCR199558  Ambrosia acanthicarpa Scott D. White, Angelia Carey 2004-7-2 10575 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  RSA314630  Ambrosia dumosa R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55425 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA792912  Ambrosia dumosa Aaron C. Sedgwick, Duncan S. Bell 2012-9-12 117 Riverside Rice Valley - Take Rice/Blythe Rd. south ~3 mi. from Hwy. 62, then head east on an unmarked BLM road. 235 Comment
  UCR244301  Ambrosia dumosa Jim Andre 2012-4-15 20858 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCR60795  Ambrosia dumosa Steve Boyd, O. Mistretta 1986-3-13 1420 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  UC468989  Ambrosia psilostachya R. L. Pendleton 1905-9-28 254 Riverside bottom Santa Ana River 243 Comment
  SD131197  Ambrosia pumila David B. Zippin 1991-5-30 138 Riverside 40 m W of Skunk Hollow Vernal Pool, Bachelor Mtn. Quad 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
  SEINET8507136 Image available Ambrosia salsola Deidre Conocchioli, Duncan S. Bell 2014-3-18 261 Riverside Orocopia Mountains 11.6 miles NE of the Salton Sea. 1.9 miles N of Salt Creek drainage; 0.2 miles SW of Gucci Spring. 390 Comment
  UCR227424  Ambrosia salsola Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-21 150 Riverside Little San Bernardino Mountains, north of Desert Center, junction of Hwy 177 and Kaiser Road west of Kaiser Road, north of Hwy 177 335 Comment
  SBBG8466  Ambrosia salsola var. salsola H. and M. Dearing 1938-3-5 1965 Riverside between Blythe and Desert Center Comment
  RSA7751  Ammannia coccinea C. M. Dammers 1933-12-4 s.n. Riverside Growing wild in center of city of Riverside Comment
Read comments
Nov 23 2010
  HSC3515  Amsinckia intermedia C. L. Hitchcock, C. V. Muhlick 1964-3-22 23248 Riverside Side canyon near S entrance to Joshua Tree National Monument Comment
  UCR234289  Amsinckia intermedia A. C. Sanders, John F. Green 2012-4-6 40015 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  RSA0089615  Amsinckia intermedia Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3080 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  CSUSB1577  Amsinckia menziesii R. Pirot 1975-5-10 S. N. Riverside Juniper Flats road and Highway 74, Homeland 542 Comment
  RSA708068  Amsinckia menziesii var. menziesii Scott D. White, Angelia Carey 2004-4-16 10173 Riverside Indian Creek and adjacent slopes. 549 Comment
  SD185165  Amsinckia retrorsa A. C. Sanders 2005-5-4 29846 Riverside Gavilan Hills near Riverside; ca. 1.0 km east and southeast of Gavilan Peak. 625 Comment
  UCR30073  Amsinckia tessellata George K. Helmkamp 1983-4-5 483 17 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  JEPS49777  Amsonia tomentosa I. T. Weeks 1930-3-30 Riverside <Mousen ?> Canyon Colorado Desert, Eagle Mts., Munsen Canyon Comment
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Jul 5 2010
  RSA0094197  Amsonia tomentosa Jim M. Andre 2012-4-11 20796 Riverside Little San Bernardino Mountains; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.7 mi. north of Cottonwood Visitor Ctr. 956 Comment
  RSA586309  Anagallis arvensis D. L. Banks, S. D. Boyd 1995-5-3 220 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA650083  Anagallis arvensis Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
  UCR275486  Anagallis arvensis T. B. Salvato, Melissa Clemons 2005-6-9 1509 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  RSA654628  Anagallis arvensis Tim Traver 1981-5-11 40 Riverside 3841 Jackson, Riverside. Comment
  RSA18198  Anemopsis californica C. B. Wolf 1929-5-31 3738 Riverside 1 mi. NW of Santa Ana River on Corona-Chino road. Comment
  UCR150019  Anemopsis californica Scott D. White, Angelia Carey 2004-5-7 10341 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR193969  Angelica tomentosa A. C. Sanders, Mitch Provance 2008-7-11 35815 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  JOTR33958  Anisocoma acaulis La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2844 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  UCR34900  Anisocoma acaulis L. B. Ziegler 1969-4-21 351 Riverside San Jacinto Mtns., Pinyon Flats 1200 Comment
  UCR118634  Anredera cordifolia O. F. Clarke 1979-10-7 s.n. Riverside Riverside, abandoned orange orchard north of 1012 Spruce St. 305 Comment
  SEINET6755346 Image available Antennaria rosea H. M. Hall 1901-1 2401 Riverside San Jacinto Mountains 2835 Comment
  RSA0000863  Antennaria speciosa H. M. Hall 1901-07 2401 Riverside San Jacinto Mountains. Tamarack Valley. 2835 Comment
  CLARK-A1528-838  Antirrhinum coulterianum C. M. Flanagan 1973-5-31 OO 649 Riverside Morongo Indian Reservation Comment
  POM10108  Antirrhinum coulterianum Charlotte M. Wilder 1904-5-15 183 Riverside North side of Jurupa Hills, NW of Riverside Comment
  POM354844  Antirrhinum coulterianum N. C. Cooper 1944-6-17 2007 Riverside San Jacinto Mountains: above Banning 1372 Comment
  RSA773173  Antirrhinum coulterianum Duncan S. Bell, Joy D. England 2010-5-27 1123 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.8 air mile southeast of junction of Highway 74 and forest service road 5S15. 768 Comment
  UC2015551  Antirrhinum filipes A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15993 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCR107893  Antirrhinum nuttallianum G. F. Pratt 1997-3-8 s.n. Riverside Box Springs Mtns, S-facing slopes near highest peak, right around radio towers. 915 Comment
  POM354919  Antirrhinum nuttallianum subsp. nuttallianum J. D. Olmsted 1962-5-10 3648 Riverside Crest between Sandia Creek and DeLuz Creek drainages. 259 Comment
  SD129521  Antirrhinum nuttallianum subsp. nuttallianum Steve Meyers 1990-3-21 Riverside Santa Rosa Plateau Area: along Los Gatos Road, I(c) mi. S of Buena Vista Road (2 mi. W of Sandia Canyon, & 0.1 mi. N of San Diago County line) 366 Comment
  POM9389  Antirrhinum nuttallianum subsp. nuttallianum I. M. Johnston 1920-5-8 s.n. Riverside Box Springs Grade Comment
  UCR172768  Apiastrum angustifolium Abby Sirulnik, Ian G. Gillespie 2000-5-14 54 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCR27200  Apiastrum angustifolium Marlyce Myers 1980-4-20 s.n. Riverside Perris Basin, Motte Reserve, c. 2.5 mi. NW of Perris 520 Comment
  OBI37485  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Rd, 7 mi W of Rancho Calif 366 Comment
  UCR3736B  Aquilegia formosa Frank C. Vasek 1964-7-25 640725- 14 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  POM366954  Aquilegia formosa var. truncata E. A. McGregor 1954-9-16 s.n. Riverside Idyllwild, San Jacinto Mountains Comment
  PASA2387  Aquilegia truncata Sally Ellis 1939-6-21 Riverside Halona, Idyllwild Comment
  UCR239803  Arabidopsis thaliana O. F. Clarke 2005-1-8 s.n. Riverside Peninsular Range, Riverside, UCR campus, planter area across driveway from Batchelor Hall loading dock 334 Comment
  RSA66764  Arabis perennans E. C. Jaeger 1922-6-29 5443 Riverside Tahquitz Valley, San Jacinto Mts. 2104 Comment
  RSA207633  Arceuthobium campylopodum James Henrickson 1969-10-25 4258 Riverside 9 mi. SE of Idyllwild near Hemit Reservoir. 1372 Comment
  SD180713  Arctostaphylos glandulosa C. Matt Guilliams 2007-8-2 408 Riverside Santa Margarita Ecological Reserve, along 'Highlands Trail', at northern rim of mesa top. 654 Comment
  UCR273499  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42598 Riverside Peninsular Range; Santa Ana Mountains, south side of South Main Divide Road, SE of Morgan Trailhead into San Mateo Wilderness, 0.17 km NE (46 deg. ) of Lion Spring 872 Comment
  RSA19996  Arctostaphylos glandulosa subsp. adamsii I. W. Clokey, E. G. Anderson 1935-4-16 6787 Riverside East of Hemet. 630 Comment
  RSA0063794  Arctostaphylos glandulosa subsp. glandulosa W. Pequegnat 1940-5-25 s.n. Riverside Modjeska Springs, Santa Ana Mts. Comment
  RSA629348  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-11-11 22546 Riverside Hwy 74, 25 km east of Hwy 79 Junction in Hemit. 1220 Comment
  RSA1555  Arctostaphylos glandulosa subsp. zacaensis J. T. Howell 1928-7-8 1053 Riverside Santa Ana Mountains above Glen Ivy 1524 Comment
  RSA6124  Arctostaphylos glauca C. B. Wolf 1932-5-25 3695 Riverside One half-mile southwest of summit of Moreno Grade, Bad Lands, southwest of Beaumont 610 Comment
  RSA631732  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19297 Riverside Highway 79, at Radec. 580 Comment
  RSA631775  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19273 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631817  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20164 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA632645  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16558 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA633566  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20156 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633627  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22662 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633630  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22658 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633728  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16626 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633729  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16615 Riverside Road to Santa Rosa Mountain, (7S02), 1.8 km south of Highway 74. 1560 Comment
  CAS-BOT-BC44326  Arctostaphylos pringlei subsp. drupacea E. P. Van Duzer 1917-6-1 s.n. Riverside Mt. Tahquitz Comment
  CAS-BOT-BC44362  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  UCR110992  Arctostaphylos pringlei subsp. drupacea George K. Helmkamp 1998-6-27 4121 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UCR122531  Arctostaphylos pringlei subsp. drupacea George K. Helmkamp, E. A. Helmkamp 2001-5-20 6681 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  JEPS46252  Arctostaphylos pungens A. E. Wieslander Feb. 1929 Riverside near Prison Camp; San Jacinto Mts. Comment
  SD143522  Arctostaphylos pungens W. L. Halvorson 1977-4-1 77 220 Riverside 5 miles south of Temecula on State Route S-16 Comment
  UCR100217  Arctostaphylos pungens Scott D. White 1992-12-16 987 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 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
  SD180722  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 404 Riverside Santa Margarita Ecological Reserve, along A!Highlands TrailA(r) at northern rim of mesa-top. 654 Comment
  UC1040951  Argemone munita Gerald B. Ownbey and Findley Ownbey 1954-5-22 2112 Riverside 2.8 mi se Palm Springs Comment
  CAS-BOT-BC401651  Argemone munita subsp. argentea Aven Nelson; Ruth Nelson 1939-3-30 3341 Riverside Hiway 60, near Desert Center Comment
  RSA105994  Argemone munita subsp. munita Gerald B. Ownbey 1954-5-22 2112 Riverside 2.8 miles se of Palm Springs. Comment
  UCD166278  Aristida Jack Major 1962-4-17 792 Riverside Pinyon Flat. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  RSA0018883  Aristida adscensionis Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6016 Riverside Chuckwalla Valley; approximately 17.5 air miles west of Blythe, on the south side of Interstate 10, about 0.4 air mile south of Wileys Well. 120 Comment
  RSA692195  Aristida adscensionis Scott D. White, Michael Honer 2003-5-14 9298 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (='Superior') Gypsum Mine. 76 Comment
  SD187312  Aristida adscensionis Naomi Fraga, Lisa Rojas 2005-2-10 1378 Riverside Northeastern Colorado Desert region: Just north of Palen Pass Road, ca. 10 miles east of Highway 177. 365 Comment
  UCD56411  Aristida adscensionis Rimo Bacigalupi; Paul Hutchison 1958-2-19 6188 Riverside western base of the Big Maria Mts., 9.4 miles north of Blythe. 167 Comment
  UCR2157  Aristida adscensionis F. M. Reed 1920-3-24 4216 Riverside Western Colorado Desert, Murray Canyon, a tributary of Palm Canyon near Palm Springs 305 Comment
  POM7039  Aristida adscensionis var. modesta P. A. Munz, L. T. Street, G. Williams 1919-3-26 2359 Riverside Salton Sea. Comment
  SEINET3127921  Aristida californica H. M. Hall 1905-5-1 5963 Riverside Canons along Colorado River, Colorado Desert Comment
  UCD56350  Aristida californica A. A. Beetle 1943-4-27 1938 Riverside Near Thousand Palms. Comment
  UCSB45623  Aristida purpurea Roos, John; Roos, Lucille 1950-10-21 Riverside Wonderland of Rocks, Little San Bernardino Mtns 1219 Comment
  CAS-BOT-BC137530  Aristida purpurea var. nealleyi Peter H. Raven 1958-5-18 12986 Riverside Pinon Flats, San Jacinto Mountains. Comment
  UCR112019  Aristida purpurea var. nealleyi A. C. Sanders, E. J. Lawlor 1992-4-4 12119 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR58440  Aristida purpurea var. nealleyi A. C. Sanders 1989-9-20 9513 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains 610 Comment
  CAS-BOT-BC137490  Aristida purpurea var. wrightii Rateaver 1944-1-17 34 Riverside Along trail abouve Tahquitz Falls, Tahquitz Canyon, Palm Springs. Comment
  SD236172  Artemisia annua Eula F. Moore 1996-10-1 Riverside Riverside, weed at residence at 4291 Alta Vista Dr. 259 Comment
  RSA495405  Artemisia californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2890 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  CAS-BOT-BC90417  Artemisia douglasiana A. C. Sanders; Kelly Volansky 2003-10-16 27350 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR272197  Artemisia ludoviciana subsp. albula Duncan S. Bell 2015-9-30 8660 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  RSA23707  Artemisia tridentata R. S. Woglum 1937-10-20 1204 Riverside Santa Rosa Mountains Comment
  JOTR29449  Asclepias albicans La Doux, Tasha, Mike Bell 2006-3-8 1347 Riverside Joshua Tree National Park. Eagle Mountains, south of Hayfield Spring 548 Comment
  UC455922  Asclepias californica I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 1371 Comment
  UCR48344  Asclepias californica Steve Boyd 1986-4-22 1756 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA0104760  Asclepias californica D. L. Banks, Elizabeth Hedge Banks 1996-5-2 934 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  RSA0112098  Asclepias erosa Duncan S. Bell 2009-8-15 429 Riverside Northeast side of the Arica Mountains, where the railroad tracks cross Midland Road. 251 Comment
  RSA401230  Asclepias erosa J. S. Stubblefield 1934-9-12 s.n. Riverside Between Desert Center & Blythe. 106 Comment
  RSA388392  Asclepias fascicularis R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61206 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
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Jun 30 2018
  UCR4504  Asclepias fascicularis John Dean 1965-7-28 s.n. Riverside Eastern Colorado Desert, 10 mi. north of Blythe on US Hwy 95 Comment
  RSA781390  Astragalus aridus Duncan S. Bell 2010-5-1 907 Riverside Arica Mountains: northwest of mountain range, approximately 7.2 air miles west of the ghost town of Rice, and approximately 6 air miles northwest of Priests Well. 312 Comment
  RSA781528  Astragalus aridus Duncan S. Bell 2010-5-1 873 B Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  POM145548  Astragalus bernardinus J. B. Feudge 1926-5-9 1865 Riverside Keyes Ranch, Little San Bernardino Mts 1220 Comment
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Apr 6 2011
  CLARK-A1656-621  Astragalus coccineus Lois Ann Scott 1978-5-6 Riverside San Jacinto Mountains 1219 Comment
  RSA0104416  Astragalus coccineus Duncan S. Bell 2015-2-6 7737 Riverside Santa Rosa Mountains; along Cactus Spring Trail, where the trail crosses Horsethief Creek. 1054 Comment
  CAS-BOT-BC177728  Astragalus crotalariae E. K. Balls 1949-4-2 12905 Riverside Near Durmid by the Salton Sea on Highway 111, Colorado Desert -67 Comment
  POM122701  Astragalus crotalariae Alice Eastwood 1919-3-15 7991 Riverside Indio Comment
  UC669291  Astragalus crotalariae Annie M. Alexander and Louise Kellogg 1941-3-2 1881 Riverside roadside 5 mi s Valerie; s of Valerie Comment
  RSA779009  Astragalus didymocarpus var. dispermus Duncan S. Bell 2010-4-1 643 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
  UC862664  Astragalus didymocarpus var. dispermus C. L. Hitchcock 1940-4-4 5953 Riverside Pinto Basin Pinto Basin (sandy wash) Comment
  POM226881  Astragalus didymocarpus var. obispoensis L. R. Abrams 1935-4-7 13664 Riverside 2 mile SW of Perris. Comment
  RSA483577  Astragalus douglasii var. parishii D. Charlton 1988-5-21 1975 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on hwy 74. 1829 Comment
  RSA415579  Astragalus lentiginosus N. C. Cooper 1949-4-8 3321 Riverside Blythe. 259 Comment
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Nov 20 2011
  UCR97747  Astragalus lentiginosus var. borreganus 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
  JOTR28752  Astragalus lentiginosus var. variabilis La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1595 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  RSA107988  Astragalus mohavensis H. D. Ripley, R. C. Barneby 1944-4-7 3203 Riverside 10 mi. N of Cottonwood Sprs. [Springs?] 746 Comment
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Feb 19 2014
  SEINET3409357  Astragalus nuttallianus var. imperfectus G. Rink, M. Honer 2013-3-17 11858 Riverside About ten miles west of Blythe, on the site of the proposed Quartzite solar power plant 125 Comment
  JOTR29554  Astragalus palmeri Andre, Jim, Tasha LaDoux 2006-4-11 6741 Riverside Joshua Tree National Park. Lost Horse Employee Campground 1285 Comment
  RSA415640  Astragalus palmeri Anstruther Davidson 1893-4-10 s.n Riverside Palm Springs. Comment
  CAS-BOT-BC192822  Astragalus pomonensis M. E. Jones 1882-4-24 3166 Riverside San Jacinto Comment
  RSA415664  Astragalus pomonensis Ora M. Clark 1929-3-2 1613 Riverside Near Murrieta. Comment
  RSA523524  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3983 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA713871  Astragalus pomonensis M. Wall 2006-3-17 411 Riverside East Hemet Valle Vista area off of Cedar Avenue off of Mountain 509 Comment
  UC863014  Astragalus pomonensis K. Watkins and E. McClintock 1937-4-9 Riverside pasture 1 mi w San Jacinto; w of San Jacinto Comment
  UCR127359  Astragalus pomonensis A. C. Sanders, D. Malueg 2003-5-8 26566 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  PASA2748  Astragalus tricarinatus Marcus E. Jones 1929-3-19 8640 Riverside Whitewater, Colorado Desert Comment
  RSA614428  Astragalus tricarinatus Aaron Liston, L. H. Rieseberg, Oscar Dorado 1992-3-26 852 Riverside Whitewater Canyon, 0.8 miles N of Whitewater Comment
  RSA692509  Athyrium filix-femina subsp. cyclosorum Sisson 1930-11-12 19 Riverside San Jacinto Mtns.: Near Idyllwild. Strawberry Creek. 1982 Comment
  CAS-BOT-BC66099  Athyrium filix-femina var. cyclosorum G. B. Grant 1901-8-1 4514 Riverside Strawberry Val. S. Jacinto Mts. Comment
  UCR116070  Athysanus pusillus O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  CAS-BOT-BC98813  Atrichoseris platyphylla Lewis S. Rose 1937-4-10 37177 Riverside Indio-Blythe Road, 26 mi. E. of Indio 457 Comment
  CLARK-A1656-677  Atrichoseris platyphylla Milton Walker 1978-3-23 Riverside Mecca 269 Comment
  JOTR35078  Atrichoseris platyphylla La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3529 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  UCR139616  Atriplex argentea A. C. Sanders 2004-7-1 28378 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile NW of the "Menifee-Antelope Community Hall", 0.6 mi. east of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and c. 5 miles due south of Sun City 457 Comment
  RSA696731  Atriplex canescens J. Russell Bruff 1929-1-1 407 Riverside Roadside foot of Jackrabbit Grade. Comment
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Mar 20 2011
  SD73400  Atriplex canescens K. R. Montgomery 1969-9-7 69 31 Riverside 1.5 mile east of Riverside Co. Highway 3 on Wilson Valley Road, 18 miles south of Hemet. Comment
  SEINET3930592  Atriplex canescens R. L. Piemeisel 1914-9-25 4045 Riverside 4 mi. w. of Indio Rd. to Indian well.; 0 Comment
  JOTR34468  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
  RSA609953  Atriplex coronata var. notatior D. E. Bramlet 1995-6-8 2438 Riverside San Jacinto Wildlife area. Lovell Unit. The population is located within the old duck pinds in this unit. The site is located 1.86km east of Davis Road and 61m south of the exisitng access road., The site is some 701m N of the Sa n Jacinto River channel. 435 Comment
  UCR70526  Atriplex coronata var. notatior D. E. Bramlet 1991-6-19 2196 Riverside Perris-Aguanga Basin region, San Jacinto River area, c. 1.8 km south of intersection of Pozos Ave. & Ramona Expressway; c. 500 m west of the river & 2 m east of Pozos Ave. 473 Comment
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Dec 9 2014
  UCR228161  Atriplex elegans var. fasciculata Dave Silverman 2010-3-24 7831 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.3 km SE of Sidewinder Well, 2.0 km SW of Palen Dunes Dr., and 4.6 km N of Interstate 10 130 Comment
  UC665756  Atriplex hymenelytra Ira L. Wiggins 1941-3-24 9590 Riverside on silty slopes 0.5 mi from beach on e side Salton Sea (1 mi n of Imperial County line); e side Salton Sea, n of Imperial County Line Comment
  UCR167368  Atriplex hymenelytra John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR269196  Atriplex hymenelytra Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-22 781 Riverside Sonoran (Colorado) Desert, Mecca Hills, just south of Shaver's Well 305 Comment
  CAS-BOT-BC176534  Atriplex polycarpa Milo S. Baker 1928-4-3 2775 b Riverside Palm [Canon] Canyon Comment
  UC850908  Atriplex polycarpa Carl B. Wolf 1932-10-13 4317 Riverside 4 1/2 mi se Mecca (Caleb (S. P. R. R. Siding), Colorado Desert); Colorado Desert, Caleb, se of Mecca -60 Comment
  RSA619796  Atriplex rosea A. C. Sanders, K. C. Rose 1998-9-29 22241 Riverside San Jacinto Valley: west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills. 459 Comment
  RSA614180  Avena barbata D. L. Banks 1997-2-17 1279 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, along Pechanga Road in the Reservation, approximately 10 m west of the Pechanga Tribal Government Center. 367 Comment
  CAS-BOT-BC145738  Avena sativa John Thomas Howell 1960-3-24 35146 Riverside Hemet. Comment
  UCR108875  Avena sativa Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  SBBG72744  Ayenia compacta Anstruther Davidson 1894-1 Riverside Palm Springs Comment
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Aug 28 2011
  SEINET3005004  Baccharis brachyphylla G. Rink 2011-4-4 10433 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  IRVC528  Baccharis glutinosa C. Duncan 1965-3-7 s.n. Riverside Ortega Highway [near the crest], El Carriso Guard Station Santa Ana Mountains Comment
  RSA463260  Baccharis pilularis L. F. LaPre 1988-1-8 s.n. Riverside Mesa de Burro, Santa Rosa Plateau, W of Murrieta 610 Comment
  LA203013  Baccharis salicifolia K. Watkins; Elizabeth McClintock 1937-4-10 sn Riverside Palms-to-Pines Highway, 2 mi. above valley Comment
  RSA0120019  Baccharis salicifolia Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9070 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  RSA117755  Baccharis salicifolia S. Carlquist 1958-5-31 489 Riverside Sandstone hills along W side of Prodo Dam. Comment
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Apr 4 2013
  SD144064  Baccharis salicina A. C. Sanders, P. MacKay, G. Helmkamp, J. Stewart & C. L. Sanders 1994-12-4 15882 Riverside Colorado Desert, Salton Sink: Dos Palmas oasis area, San Andres palm grove, 1.75 km WSW of Rancho Dos Palmas, marked see on Durmid 7.5' Quad Comment
  JEPS21254  Baccharis sergiloides Marjorie D. Clary 1934-3-3 Riverside 18 mi w of Indio (Carrizo Canon); Carrizo Canon 304 Comment
  JOTR34414  Baccharis sergiloides La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3098 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring 914 Comment
  POM350457  Baccharis sergiloides George B. Grant 1906-05 6749 Riverside Colorado Desert, Desert Canyon Comment
  UCR121819  Baccharis sergiloides A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24601 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 1372 Comment
  UCR34875  Baccharis sergiloides L. B. Ziegler 1964-10-15 047 Riverside San Jacinto Mtns, Garner (Hemet) Valley from Kenworthy area 1387 Comment
  UCR41317  Baccharis sergiloides N. M. Fellows 1984-11-12 33 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn. 489 Comment
  LA31363  Bahiopsis parishii Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 C- 178 Riverside Morongo Wash Comment
  CAS-BOT-BC99968  Baileya pauciradiata Roxana S. Ferris 1953-3-9 12598 Riverside Sandy flat near junction of U.S. 60 & 70 with Desert Hot Springs Road Comment
  RSA669575  Baileya pleniradiata D. E. Harvey 1969-4-20 690420 -3 Riverside Juniper Flats at Stubbe Springs parking area. Joshua Tree National Monument. Comment
  UCR33596  Baileya pleniradiata Sears 1978-3-18 905 Riverside Sonoran (Colorado) Desert, 1.5 mi from Interstate 10 down Wiley's Well Road, 17 mi west of Blythe, Chuckwalla Valley 122 Comment
  CAS-BOT-BC100123  Bebbia juncea var. aspera M. McCollum 1976-6-10 2009 Riverside 8 mi SSW of Yucca Valley 914 Comment
  CAS-BOT-BC100129  Bebbia juncea var. aspera Grant 1906-4-20 s.n. Riverside Palm Sprs. Comment
  SD178134  Bebbia juncea var. aspera A. C. Sanders 2004-5-12 27891 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. Solitary shrub beside sandy wash at foot of hills, dry open area. 377 Comment
  CLARK-A1528-5635  Berberis dictyota John C. Roos 1947-1-31 3215 Riverside Reche Canyon Comment
  POM219102  Berberis nevinii F. M. Reed 1932-6-20 7242 Riverside One half mile east of Dripping Springs on road from Temecula to Aguanga. Comment
  RSA336407  Bernardia incana R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52074 Riverside Bighorn Lookout: Santa Rosa Mountains. Comment
  RSA356886  Bernardia incana R. F. Thorne 1966-10-15 41798 Riverside Palm Springs. Comment
  SD229135  Bernardia incana Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 646 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  UCD166279  Bernardia incana Jack Major 1962-4-18 793 Riverside Just below Pinyon Flat on CA HWY 74. (Exact location unknown. Coordinates estimated by label maker.) 1188 Comment
  GMDRC5193  Bernardia myricifolia T. La Doux, D. Shade, M. Harding, M. Wheeler, T. Herskovits 2011-10-13 2566 Riverside Little San Bernardino Mountains: northwest end of Eagle Mountains, 3 mi. north of Cottonwood Visitors Ctr. 1055 Comment
  SEINET3347392 Image available Bernardia myricifolia Andrew C. Sanders, Chika Mori 2011-6-14 39662 Riverside Peninsular Range; Santa Rosa Mtns.; Hwy 74 near 'Agave Hill', 0.3 km SW (249 deg. ) of VABM 'Lucky', 1.6 km NE (37 deg. ) of Black Hill, ridge west of Deep Canyon and east of Carrizo Creek, above switch backs 801 Comment
  UC1595596  Bloomeria crocea Steve Boyd and Tim Ross 1990-5-11 4617 Riverside Vail Lake area Cleveland National Forest, Agua Tibia Mtn. (base of mt., e of Dripping Springs campground, s of Hwy 79) 548 Comment
  UCR172714  Bloomeria crocea Jun Hu 2000-5-11 19 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  UCR180110  Bloomeria crocea Mitch Provance 2003-4-26 9883 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  CAS-BOT-BC16106  Boechera californica Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning. 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
  CAS-BOT-BC16261  Boechera glaucovalvula Annie M. Alexander; Louise Kellogg 1941-4-29 2103 Riverside Joshua Tree National Monument. 13 miles southwest of 29 Palms. 1371 Comment
  SBBG72285  Boechera pendulocarpa R. Hoffmann 1929-9-10 Riverside San Jacinto Mtns 2438 Comment
  RSA0123695  Boechera perennans Duncan S. Bell, LeRoy Gross 2016-3-30 9163 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  JOTR30986  Boechera xylopoda La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1964 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  SEINET3166373  Boechera xylopoda P. J. Alexander 2009-4-13 1006 -A, B, C Riverside San Jacinto Mountains, San Bernardino National Forest, along CA Hwy. 243 on the south side of the San Jacinto Penny Pines Plantation turnout, 2.1 miles WNW of the Stone Creek Campground, 0.3 miles SSE of Lake Fulmor. 1661 Comment
  CLARK-A1528-3267  Boerhavia coccinea John C. Roos 1966-9-20 Riverside San Jacinto Comment
  UCR35198  Boerhavia coccinea L. B. Ziegler 1967-8-30 218 Riverside San Jacinto Valley, Vacant lots in city of San Jacinto 473 Comment
  RSA683912  Boerhavia wrightii Michael Denslow 2003-9-14 1569 Riverside Maniobra Valley, Chiraco Summit Road off I-10. 517 Comment
  CLARK-A1528-4508  Bouteloua aristidoides John C. Roos 1965-9-5 Riverside Chuckwalla Valley Comment
  OBI29473  Bouteloua aristidoides David J. Keil, Melissa Luckow 1979-8-31 13151 Riverside Jctn of Box Cyn rd and I-10, just S of exit ramp at wash crossing Comment
  UCR23965  Bouteloua aristidoides John C. Roos 1946-9-14 3026 Riverside Santa Rosa Mtns., Pinyon Flats 1220 Comment
  RSA450461  Bouteloua barbata J. C. Roos 1965-9-5 s.n. Riverside 18 miles W of Blythe. Comment
  RSA781996  Bouteloua barbata Duncan S. Bell 2011-12-30 3034 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  HSC85436  Bowlesia incana Steve Boyd 1986-4-2 1597 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  JEPS29308  Bowlesia incana Rimo Bacigalupi and L. Heckard 1962-3-25 8403 Riverside about 10 air mi nw of Elisnore (above Temescal Wash, near Arcilla siding of A.T. & S.F. Railway, just above state highway 71); A.T. & S.F. Railway 289 Comment
  UCR149061  Bowlesia incana Michael L. Fugate 2005-2-18 s.n. Riverside Coyote Hill SE of UC Riverside campus, lower slopes of hill with Bench Mark Versity 366 Comment
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Mar 27 2013
  RSA778830  Brandegea bigelovii J. Andre 2011-2-9 15894 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
  RSA0009698  Brandegea bigelovii Marcus E. Jones 1930-3-15 s.n. Riverside Eagle Mountains. Comment
  UCR103899  Brassica geniculata B. G. Pitzer 1997-4-12 3127 Riverside Lakeview Mtns, Pulsar View Road, c. 3/4-1 mi. by road uphill from the base of the hills at the end of Warren Road (very short dirt road); c. 1 mi. airline NE of Juniper Flats Road. Approx. 0.9 mi. airline SW of Mt. Rudolph (measured from BM 'Nelson'). 610 Comment
  RSA34565  Brassica juncea N. C. Cooper 1944-6-17 1387 Riverside San Jacinto Mtns. West side. 1372 Comment
  UCR226070  Brassica rapa A. C. Sanders, T. B. Salvato 2011-4-1 38939 Riverside Peninsular Range, Lake Elsinore, Baker St. above Temescal Wash, c. 1200 ft. north of water tank on hill 386 Comment
  RSA604866  Brassica tournefortii Scott D. White 1995-3-30 2647 Riverside San Jacinto Valley: Moreno Valley, hills ca. 0.7 air mile directly S of 60 freeway and west of bend in Moreno Beach Dr. 579 Comment
  RSA774896  Brassica tournefortii Duncan S. Bell, Amber Swanson 2011-2-18 2031 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
  UC1929787  Brassica tournefortii Scott D. White 2001-4-3 8237 Riverside COLORADO DESERT: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. Comment
  UCR113202  Brassica tournefortii A. C. Sanders 1998-3-11 21691 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north side of Diamond Valley, along high water road of reservoir under construction 549 Comment
  UCR211819  Brassica tournefortii Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1079 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  RSA618764  Brassica tournefortii L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Snow Canyon. 457 Comment
  CAS-BOT-BC106184  Brickellia desertorum John Roos; Lucille Roos 1950-9-9 4986 Riverside Mt. Rubidoux, Riverside 396 Comment
  RSA69831  Brickellia desertorum J. C. Roos 1951-10-19 5328 Riverside Gilman Hot Springs 459 Comment
  UC527701  Brickellia desertorum C. B. Wolf 1931-10-14 Riverside 1/2 mi below the Fish Hatchery (n base of San Jacinto Mts., Snow Creek); Snow Creek 548 Comment
  UCR23272  Brickellia desertorum John C. Roos 1950-10-15 5009 Riverside San Bernardino Mtns., Dry Morongo Canyon, c. l mi south of Riverside-San Bernardino county line 612 Comment
  UCR89680  Brickellia incana Bern Schwenn 1994-5-7 s.n. Riverside Mojave Desert, Joshua Tree Nat. Mon.; Eagle Mtns, Black Eagle Mine Rd., 2.5 mi. east of Monument boundary 650 Comment
  RSA94115  Brickellia incana F. W. Peirson 1928-4-23 7889 Riverside 2.5 miles below cottonwood Springs, Riverside County Comment
  UCR68043  Brodiaea filifolia D. E. Bramlet 1991-5-9 3024 Riverside San Jacinto Valley, 20 m east of California Ave., NE of the intersection of California Ave. with Marvin Hull Rd 498 Comment
  UCR94259  Brodiaea filifolia Scott D. White 1996-4-14 3890 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Rd. and 100 m west of the San Jacinto River channel 433 Comment
  RSA388328  Brodiaea jolonensis Steve Boyd 1986-5-7 1836 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  RSA356724  Brodiaea terrestris subsp. kernensis Robert F. Thorne, Earl Lathrop 1975-5-25 45552 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  RSA570555  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8014 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. 1000 Comment
  RSA660930  Bromus arizonicus A. C. Sanders 1998-3-17 21748 Riverside open fields at NE edge of UCR campus, E of A & I dorms and S of Watkins Dr. 335 Comment
  UCD34817  Bromus arizonicus Beecher Crampton 1963-5-7 6778 Riverside Riverside County, Riverside, jct. of Pennsylvania and Iowa aves.. Comment
  UCD57694  Bromus arizonicus John Thomas Howell 1956-3-20 31119 Riverside Riverside. 8th street. Comment
  UCR35299  Bromus carinatus L. B. Ziegler 1968-5-21 296 Riverside San Jacinto Mtns., Hemet Valley (=Garner Valley) 1418 Comment
  RSA772334  Bromus diandrus Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4513 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA192177  Bromus diandrus E. W. Lathrop 1965-5-30 5787 Riverside 6 miles W of Murrieta. Comment
  POM122857  Bromus grandis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  CAS-BOT-BC155545  Bromus hallii H. M. Hall 1901-7-1 2538 Riverside San Jacinto Mountains. West Fork Snow Creek. 1524 Comment
  JOTR32136  Bromus madritensis subsp. rubens La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2292 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  UC1537243  Bromus madritensis subsp. rubens Gordon H. True Jr. 1935-3-11 68 Riverside Sycamore Canyon, Box Springs Box Springs; Sycamore Canyon, Box Springs 365 Comment
  UC1929330  Bromus madritensis subsp. rubens Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10454 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: E 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
  SEINET10520362  Bromus orcuttianus Harvey M. Hall 1899-7-15 Hall 1348 Riverside San Bernardino Mountains. Deep creek. 2134 Comment
  CAS-BOT-BC161814  Bromus rubens V. W. Steinmann; D. B. Steinmann 1996-3-16 811 Riverside Northeast foothills of the San Jacinot Mountains, lower portion of Chino Canyon alluvial plain, 1 km south of Highway 111 at a point ca. 1.5 km northwest of the Tramway-San Rafael intersection. 300 Comment
  UCR23982  Bromus trinii John C. Roos 1962-3-24 s.n. Riverside San Bernardino Mtns., Whitewater Canyon 854 Comment
  POM8989  Caesalpinia virgata Mary F. Spencer 1920-3-13 1448 Riverside Painted Canyon near Mecca -60 Comment
  RSA405292  Caesalpinia virgata Christopher Davidson, J. Jones 1980-4-4 9954 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
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Sep 17 2011
  RSA583373  Calandrinia breweri Steve Boyd, Darin Banks 1995-4-5 8425 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  CAS-BOT-BC438495  Calandrinia ciliata E. W. Lathrop 1959-4-1 4393 Riverside 18 miles S.W. of Elsinore. Tenaja Canyon. Comment
  RSA180250  Calandrinia ciliata E. W. Lathrop 1965-4-18 s.n. Riverside 10 miles west of Murrieta. Comment
  UC56760  Calandrinia ciliata H. M. Hall 1902-4-7 2754 Riverside vicinity Riverside; Alessandro Comment
  UCR117302  Calandrinia ciliata A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 723 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR158328  Calandrinia ciliata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30070 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR16503  Calandrinia ciliata Joe Buriel 1966-3-18 s.n. Riverside Riverside, off Mockingbird Canyon Road, 1.5 mi south of Van Buren turnoff 457 Comment
  UCR21911  Calandrinia ciliata Steve Boyd 1980-5-2 158 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR250568  Calandrinia ciliata A. C. Sanders 2014-4-25 41069 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  UCR118453  Callisia repens A. C. Sanders, O. F. Clarke, Susan Sims 2001-11-28 24889 Riverside San Bernardino Valley Region, between Pedley and Mira Loma, Sims property at NE corner of Limonite Ave. and Bain St. 210 Comment
  RSA198961  Callitriche heterophylla subsp. bolanderi R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37594 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  UCR43790  Callitriche heterophylla subsp. bolanderi R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60638 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along seasonal stream in Cole Canyon, near entrance to the Nature Conservancy Reserve 534 Comment
  POM13201  Callitriche marginata P. A. Munz 1922-5-20 5459 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  CAS-BOT-BC85766  Calocedrus decurrens George B. Grant 1901-1-1 691 Riverside San Jacinto Mountains, S. Cal. 914 Comment
  RSA358578  Calocedrus decurrens Larry E. DeBuhr 1972-3-23 527 Riverside Santa Rosa Mountains; San Bernardino National Forest; northwest of Santa Rosa Peak 2317 Comment
  SBBG56419  Calocedrus decurrens M. Lewis 1947-8-26 20 Riverside Dark Cyn 1981 Comment
  SEINET10531058  Calocedrus decurrens David B. Dunn, L. S. McClung 1939-10-22 Dunn UMO 46538 Riverside Native tree collected in the vicinity of Idylwild in the San Jacito Mts. 2134 Comment
  RSA651265  Calochortus Russell S. Woglum 1937-5-22 590 a Riverside Santa Rosa Mts. road to peak about halfway up. 1219 Comment
  UCR35284  Calochortus concolor L. B. Ziegler 1967-6-27 180 Riverside San Jacinto Mtns., Hemet Valley. Slopes above Kenworthy Ranger Station. 1524 Comment
  RSA369046  Calochortus palmeri var. munzii N. C. Cooper 1949-6-29 4315 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  CAS-BOT-BC132463  Calochortus plummerae Carl B. Wolf 1932-5-25 3696 Riverside [Bad Lands] Badlands, SW. of Beaumont, 1 1/2 mi. SW. of summit of Moreno Grade 548 Comment
  RSA23716  Calochortus splendens Russell S. Woglum 1937-5-22 524 Riverside Temecula. . Comment
  UCR16067  Calochortus splendens Anna Mayers 1978-4-10 s.n. Riverside Lake Mathews, 1.6 mi south of the junction of La Sierra and Cajalco Comment
  UCR20785  Calochortus splendens A. C. Sanders, Steve Boyd 1980-5-2 1417 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  POM122478  Calycadenia tenella Marcus E. Jones 1926-5-31 s.n. Riverside Corona Comment
  UCR78440  Calycadenia tenella Scott D. White 1993-4-20 1210 Riverside Estelle Peak, Gavilan Hills 826 Comment
  SD27985  Calycoseris parryi Carl B. Wolf 1932-4-29 3107 Riverside Blythe, Rice Road; 9 miles south of Brown's Well. 800 Comment
  UCR11336  Calycoseris parryi John M. Spencer 1971-4-17 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument [now J.T.N. Park], 1.5 mi. north of Cottonwood Spring campground 953 Comment
  UC68980  Calycoseris wrightii H. M. Hall 1905-4-1 5966 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  UCR214706  Calycoseris wrightii A. C. Sanders 2010-3-23 37541 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR279515  Calycoseris wrightii A. C. Sanders, Jim Malusa 2017-3-27 43102 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  JEPS52570  Calyptridium monandrum W. L. Jepson 1901-5-24 1425 Riverside journey from Riverside to Santa Rosa Peak and Palomar (Van Deventer's Ranch); Van Deventer's Ranch Comment
  SD38093  Calyptridium monandrum Edith A. Purer 1935-4-21 6477 Riverside Near Palm Springs, Colorado Desert Comment
  CSUSB678  Calystegia macrostegia R. P. Sunderman 1968-4-26 Riverside University of California, Riverside campus 396 Comment
  RSA430232  Calystegia macrostegia subsp. arida E. Misquez 1987-5-16 11 Riverside Santa Ana Mountains, Walker Basin; 2 miles on Avenida de Oro from Jct with Rancho California road and 4.7 miles west of Interstate 15. 415 Comment
  RSA161221  Calystegia macrostegia subsp. tenuifolia P. H. Raven 1959-4-23 14024 Riverside 5.1 miles west of Dripping Springs. Comment
  SDSU13045  Calystegia macrostegia subsp. tenuifolia James C. Dice, Tu Chung 1987-10-19 740 Riverside Along road to Field Station, ca. 0.4 km ENE of Field Station site. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 347 Comment
  RSA652944  Calystegia sepium subsp. limnophila Mitch Provance, S. D. Boyd 1999-9-14 1780 Riverside Riverside: Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp. 238 Comment
  UC1184250  Camissonia Peter H. Raven 1958-3-15 11840 Riverside 4.2 mi e turn to Painted Canyon; Box Canyon Comment
  UC1602147  Camissonia Philip A. Munz 1926-1-31 9973 Riverside Dos Palmos Spring Colorado Desert Comment
  POM49675  Camissonia bistorta J. D. Abrams 1901-5-20 s.n. Riverside Elsinore. Comment
  RSA4387  Camissonia bistorta Dorothy R. Wolf 1932-3-20 35 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  SEINET4680863  Camissonia bistorta Steve Boyd, Laurel Arnseth; Yvonne Rasmussen 1990-5-3 4549 Riverside Vail Lake area, rolling terrain at junction of Hwy R3 and Powerline Rd. NE of the lake.; 0 Comment
  UCR154975  Camissonia bistorta A. C. Sanders, Kelly Volansky 2005-3-17 29219 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR51021  Camissonia bistorta S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  RSA278965  Camissonia boothii subsp. condensata Barry A. Prigge 1978-3-23 2412 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UCR112094  Camissonia brevipes A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23361 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  RSA0042383  Camissonia brevipes subsp. brevipes Duncan S. Bell, LeRoy Gross 2014-3-13 6234 Riverside Orocopia Mountains; southern section of range; approximately 1.75 west northwest of Clemens Well. 293 Comment
  RSA772126  Camissonia californica Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4831 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
  RSA775565  Camissonia californica Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-5-16 1254 Riverside Haugen Lehmann off I-10, Pacific Crest Trail (PCT) in canyon directly W. of Whitewater. 675 Comment
  UC20448  Camissonia campestris subsp. campestris Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCD103332  Camissonia campestris subsp. campestris Robert C. Bechtel 1952-3-28 26 Riverside Perris. 443 Comment
  SEINET4568273 Image available Camissonia cardiophylla Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4600 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  SEINET10492049  Camissonia cardiophylla David B. Dunn, Howard Brown 1947-2-9 Dunn 2846 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  NY679520  Camissonia cheiranthifolia N. D. Atwood 1993-3-27 17699 Riverside Corona del Mar State Park along Newport Coast Drive. 0 Comment
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Jul 14 2012
  UCR148482  Camissonia claviformis John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  SEINET10492060  Camissonia claviformis David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-14 Dunn 3759 Riverside Found at top of hills to the w of wash. Pushawalla canyon, indio hissl of the colorado desert; w of indio. Comment
  POM211863  Camissonia claviformis subsp. aurantiaca L. R. Abrams 1926-3-26 11083 Riverside Between Palm Springs and Indian Wells. Comment
  RSA72245  Camissonia claviformis subsp. aurantiaca F. W. Peirson 1914-04 785 Riverside Whitewater at head of Coachella Valley. Comment
  UCR103316  Camissonia claviformis subsp. claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2666 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  SDSU3352  Camissonia confusa H. Wedberg 1958-3-31 203 Riverside 10.3 miles south of Hwy 74 in Hemet, on Hwy 79. Comment
  UC454582  Camissonia confusa I. J. Condit 1910-6-24 Riverside road to Idyllwild San Jacinto Mts. 914 Comment
  RSA186751  Camissonia hirtella Peter H. Raven 1962-4-28 17489 Riverside Ortega Highway 3.9 miles above its east base, Santa Ana Mountains 732 Comment
  UCR50297  Camissonia hirtella B. G. Pitzer, Et al. 1987-5-23 0566 Riverside San Bernardino Mtns., Whitewater Canyon, from N edge of Fish Hatchery to c. 0.5 mi north of it; c. 5.5 mi north of I-10 on Whitewater Cyn Rd. 732 Comment
  SEINET7040153  Camissonia ignota A. G. Vestal 1962-4-8 Riverside Ca. 3.5 miles north east of Lake Elsinore (Elsinore)on Rt.74. UTM Zone 11, 472765mE, 3731077mN. Comment
  UCR43289  Camissonia pallida B. A. Carlson 1986-4-10 s.n. Riverside Upper Coachella Valley, floodplain of the Whitewater River at field of wind turbines among settling ponds west of Indian Avenue near Hugo Siding on S.P.R.R. 244 Comment
  POM247919  Camissonia pallida subsp. hallii A. M. Alexander, Louise Kellogg 1941-4-24 2072 Riverside In sand and gravel; Gorge of Dry Morongo Creek, Morongo Valley. 640 Comment
  POM6697  Camissonia pallida subsp. hallii P. A. Munz, L. T. Street, G. Williams 1919-3-28 2363 Riverside San Gorgonio Pass, near Banning 701 Comment
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Sep 12 2011
  POM159845  Camissonia refracta E. C. Jaeger 1928-3-24 s.n. Riverside Eagle Mts. Colo. Desert. Comment
  CLARK-A1528-3361  Camissonia strigulosa John C. Roos 1965-6-13 Riverside San Jacinto Mountains Comment
  RSA449955  Camissonia strigulosa J. C. Roos 1965-6-13 s.n. Riverside Mountain Center, San Jacinto Mtns. Comment
  UCSB4439  Camissonia strigulosa Kamb, Peter 1947-6-7 Riverside Hall Canyon, San Jacinto Mts 1645 Comment
  JEPS31584  Camissoniopsis bistorta W. L. Jepson May 17 1901-Jun 1 1901 1210 Riverside mesas e Riverside Comment
  SBBG60416  Camissoniopsis bistorta M. N. Ackley 1928-3-10 751 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  SBBG89039  Camissoniopsis confusa A. C. Sanders, B. Pitzer 1986-4-30 6473 Riverside San Jacinto River Valley at the mouth of Bee Cyn 609 Comment
  UC1979553  Camissoniopsis hirtella Darin L. Banks, Steve Boyd 1995-5-9 371 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UC147159  Camissoniopsis pallida subsp. hallii H. M. Hall 1897-4-17 446 Riverside Banning Colorado Desert (edge of Colorado Desert) Comment
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Mar 21 2011
  UC1122273  Camissoniopsis pallida subsp. pallida H. S. Yates 1936-4-7 5429 Riverside near Whitewater; San Jacinto Quadrangle Comment
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Dec 15 2011
  UC597634  Camissoniopsis pallida subsp. pallida Philip A. Munz 1937-5-30 15107 Riverside Dos Palmos Spring north end Santa Rosa Mts. 1097 Comment
  CDA7745  Cardamine hirsuta Mike Lahti 2008-1-29 PDR# 1473076 Riverside Temecula, 43401 Anza Rd. 0 Comment
  UCR250320  Cardamine hirsuta A. C. Sanders 2014-4-16 41014 Riverside Peninsular Range, Temescal Valley, Campbell Ranch Rd. between Indian Truck Trail and Temescal Canyon Rd., across from intersection with Soapberry Rd. 345 Comment
  UCD114526  Cardamine parviflora A. C. Sanders 1995-2-6 15915 Riverside UCR campus, in pots in the Botanic Garden Lath House. 367 Comment
  UC729830  Carex multicostata Carl B. Wolf 1932-8-5 3947 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  POM10385  Carex praegracilis F. M. Reed 1906-4-29 945 Riverside Riverside: Santa Ana River bottom near Rubidoux Ave. Comment
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Mar 10 2011
  RSA88858  Carex praegracilis F. W. Peirson 1922-5-20 3062 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  SEINET10786964  Carex senta Peter F. Zika 2010-8-3 Zika 25243 Riverside Vicinity of Willow Creek. San Jacinto Wilderness Area, San Jacinto Mountains (SnJt), Peninsula Ranges. 2550 Comment
  RSA0011151  Carya illinoinensis A. C. Sanders, T. B. Salvato 2003-5-6 26558 Riverside San Bernardino Valley Region: Riverside, west edge of the UCR campus, lower drainage of Big Springs Canyon, near intersection of Canyon Crest Dr. and University Ave. 320 Comment
  JOTR32402  Castela emoryi Harding, Mitzi, A. Benton 2011-7-13 17 Riverside Joshua Tree National Park. West Coxcomb Mountains; north-facing slope of small rocky foothills just above large bouldery wash 424 Comment
  SEINET3079826 Image available Castilleja affinis J. Hirshberg 1989-3-22 Riverside Santa Rosa Plateau, S of Murrieta; small mesa just W of Mesa de Burro & Tenaja Road. 610 Comment
  RSA773593  Castilleja exserta Duncan S. Bell, Joy D. England 2010-6-14 1305 Riverside San Bernardino National Forest: Garner Valley, just west of Highway 74 approximately 2.5 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1367 Comment
  RSA775231  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1101 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  UCR96872  Castilleja exserta Scott D. White 1993-3-12 1175 Riverside Near Winchester 466 Comment
  RSA648202  Castilleja exserta subsp. exserta Glenda Long 1981-4-11 8 Riverside 5 miles along Cajalco Road after I 15 offramp. 100 to 150 yards up north facing slope from road. Comment
  UC68759  Castilleja exserta subsp. exserta H. M. Hall Apr 1905 5761 Riverside Palm Springs; Colorado Desert 152 Comment
  RSA564306  Castilleja foliolosa Scott D. White 1993-3-15 1186 Riverside Elsinore: Highway 74, just west of NW corner of Lake Elsinore. Comment
  UC26462  Castilleja miniata H. M. Hall 1897-7-22 716 Riverside San Jacinto Mts. 2438 Comment
  UCR71902  Castilleja minor subsp. spiralis Steve Morgan, H. M. Soldan 1992-5-25 92- 2 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  SD119686  Caulanthus heterophyllus Wayne P. Armstrong 1986-3-23 1258 Riverside Gavilan Hills area; east side of Sant Rosa Road, ca. 2.0 miles south of Hartford Springs. 455 Comment
  UCR136315  Caulanthus heterophyllus Virginia Moran 2003-3-26 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCR137475  Caulanthus heterophyllus D. L. Banks 1997-2-23 1314 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  UCR174142  Caulanthus heterophyllus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32570 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  JOTR34076  Caulanthus lasiophyllus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2971 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  OBI45205  Caulanthus simulans B. Pitzer & L. LaPre, L. LaPre 1987-3-2 369 Riverside Bundy Canyon, ca. 2.0 mi SE of Lake Elsinore and 0.5 mi N of Budy Canyon Rd. off Raciti Rd. 701 Comment
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Nov 21 2014
  RSA171369  Caulanthus simulans J. Olmstead 1962-5-3 3518 Riverside along road from Santa Rosa Indian reservation to old village, etc.; at first canyon crossing to SW side; mid-elevation 1554 Comment
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Apr 20 2013
  SD29582  Ceanothus cordulatus D. F. Howe 1941-6-8 1106 Riverside Strawberry Creek, San Jacinto Mts. Comment
  SDSU10275  Ceanothus cordulatus Frank Gander 1941-6-8 1106 Riverside Strawberry Creek, San Jacinto Mtns. 1524 Comment
  SDSU13472  Ceanothus crassifolius James C. Dice, George Diggs 1987-12-7 763 Riverside Santa Margarita Ecological Reserve: north side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River. T8S, R3W, NW 1/4 of NW 1/4 of Section 26. 341 Comment
  UCR225190  Ceanothus crassifolius Steve Boyd, Susan Jett 2008-3-20 11830 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UCR4090  Ceanothus crassifolius Carole Sims 1965-3-14 s.n. Riverside Peninsular Range, c. 4 miles east from Temecula near Vail Ranch 366 Comment
  UCR59684  Ceanothus crassifolius Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2972 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  UCR60641  Ceanothus crassifolius C. B. Wolf 1932-2-11 02648 Riverside Santa Ana Mtns, Hidden [Tin Mine] Canyon, 5 mi. west of Corona, base of Skyline Drive. 405 Comment
  HSC18364  Ceanothus oliganthus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23109 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  RSA606748  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27400 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  SDSU13922  Ceanothus tomentosus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2154 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  RSA773130  Centaurea melitensis Duncan S. Bell, J. D. England 2010-6-7 1266 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 780 Comment
  RSA588599  Centaurium venustum D. L. Banks, Steve D. Boyd 1995-10-17 810 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 524 Comment
  UC456205  Centaurium venustum I. J. Condit 1910-6-24 Riverside road to Strawberry Valley San Jacinto Mts. 1219 Comment
  UCR135857  Centaurium venustum A. C. Sanders 2004-4-20 27529 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
  UCR1547  Centaurium venustum David L. Davis, R. G. Barber 1962-5-13 119 Riverside Santa Ana Mtns., Murrieta, 1 mi. [SW] on Ivy Street from main road [Washington Ave.] 396 Comment
  RSA65895  Centrostegia thurberi F. W. Peirson 1922-5-21 5343 Riverside Hemet Valley, San Jacinto Mountains 1372 Comment
  JEPS57819  Centrostegia thurberi var. thurberi W. L. Jepson 1928-4-25 12598 Riverside below Cottonwood Spring (Colorado Desert, Eagle Mountains); Colorado Desert, Eagle Mountains 731 Comment
  RSA198954  Cerastium glomeratum R. F. Thorne, O. Clark, S. Carlquist 1968-4-18 37428 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  RSA232956  Cercidium floridum D. A. Young 1969-4-18 P- 320 Riverside 3 miles SE of Hwy 74 ( approx. 8 miles S of Palm Desert, Cali.) on Carriage Trail road near the Deep Canyon Research Station. 366 Comment
  RSA498416  Cercidium floridum G. R. Johnstone, Johnstone 1930-4-14 14653 Riverside Shavers Well Comment
  UCR102903  Cercocarpus betuloides Bern Schwenn 1998-5-9 s.n. Riverside Mojave Desert, Joshua Tree National Park, upper Smith Water Canyon, near Lower Covington Flat Picnic Area 1357 Comment
  UC1536043  Cercocarpus minutiflorus Robert F. Thorne 1973-5-23 45537 Riverside Santa Rosa Plateau, Mesa De Colorado Mesa De Colorado; Santa Rosa Plateau, Mesa De Colorado 609 Comment
  HSC86128  Cercocarpus montanus var. glaber P. Lamos 1972-4-16 416720601 Riverside 4.5 mi. W of jct. 243 and 74 1067 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
  POM66298  Chaenactis carphoclinia var. carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UCR52236  Chaenactis carphoclinia var. carphoclinia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2148 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA182341  Chaenactis fremontii J. D. Olmsted 1962-5-1 3431 Riverside 5 degrees NE slope just west of top of highest Southern California waterfall; 1/4 mi. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto 945 Comment
  RSA775095  Chaenactis fremontii Duncan S. Bell, Amber Swanson 2011-2-18 2035 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
  SEINET7063219  Chaenactis glabriuscula A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  CAS-BOT-BC277403  Chaenactis glabriuscula var. glabriuscula Palmer Stockwell 1935-5-13 1223 Riverside 5 miles south of Temecula Comment
  CAS-BOT-BC277409  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1808 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow, gabbro substrate; Skunk Hollow vernal pool Comment
  POM49418  Chaenactis parishii H. M. Hall 1901-06 2128 Riverside Santa Rosa Mountain. Coyote Canyon. 1524 Comment
  RSA292905  Chaenactis parishii F. C. Vasek 1973-6-8 s.n. Riverside Santa Rosa Mtns. 1 mile below Garnet Queen Creek Comment
  UC1463879  Chaenactis parishii Jeanine Derby 1976-6-29 Riverside Quinn Flats San Jacinto Mts., Garner Valley 1371 Comment
  UC31029  Chaenactis parishii H. M. Hall Jun 1 1901-Jul 1 1901 2326 Riverside near Tahquitz; San Jacinto Mountains 2133 Comment
  JEPS8846  Chaenactis stevioides W. L. Jepson 2260 Riverside Strawberry Valley, San Jacinto Mt., Strawberry Valley 1676 Comment
  JOTR34050  Chaenactis stevioides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2950 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  JOTR35466  Chaenactis stevioides Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 69 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  JOTR37509  Chaenactis stevioides Hodges, Stephen R. 2016-3-1 635 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  RSA501028  Chamaesyce albomarginata Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3148 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  RSA556453  Chamaesyce albomarginata Julie Greene 1993-4-30 1275 Riverside San Jacinto Wildlife Area. S of visitor center road and North of the old San Jacinto River drainage 433 Comment
  RSA614334  Chamaesyce maculata George K. Helmkamp, E. A. Helmkamp 1997-1-8 1279 Riverside Palm Springs. Lawn at El Cielo and Tahquitz-McCallum. 152 Comment
  HSC8017  Chamaesyce micromera C. L. Hitchcock 1966-3-16 24214 Riverside Along Palms to Pines Hwy., 4 mi. S of Palm Desert Comment
  POM195636  Chamaesyce micromera L. C. Wheeler 1931-11-26 369 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  RSA0021558  Chamaesyce polycarpa Duncan S. Bell, Aaron Sims 2012-3-10 2045 Riverside Orocopia Mountains; northeast section of range, approximately 4 air miles east of Chiriaco Summit. 497 Comment
  RSA0034090  Chamaesyce polycarpa Duncan S. Bell 2013-1-30 4449 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  RSA432485  Chamaesyce polycarpa Ora M. Clark 1929-3-17 1745 Riverside Palm Springs. Comment
  RSA781417  Chamaesyce polycarpa Duncan S. Bell 2011-10-22 2997 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
  RSA798153  Chamaesyce polycarpa Marc Baker, Michelle Cloud-Hughes 2011-12-18 17504 Riverside 67 km WNW of Blythe, 17 km west of Palen Pass, 27 km NNE of Desert Center. 177 Comment
  SBBG4028  Chamaesyce polycarpa H. and M. Dearing 1941-11-23 4774 Riverside near Cathedral City Comment
  POM282536  Chamaesyce polycarpa var. hirtella N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Box canon [canyon]. Comment
  JOTR32633  Chamaesyce serpillifolia subsp. serpillifolia La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2556 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  RSA232933  Chamaesyce setiloba L. S. Rose 1967-12-19 s.n. Riverside La Quinta. 15 Comment
  RSA0000022  Cheilanthes X fibrillosa S. B. Parish 1882-06 s.n. Riverside Oak Cliff, San Jacinto Canyon Comment
  CAS-BOT-BC70041  Cheilanthes covillei Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  IRVC3127  Cheilanthes covillei R. H. Whittaker, W. A. Niering 1963-5-31 SJ 117 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1280 Comment
  POM281097  Cheilanthes covillei Lyman Benson 1946-4-15 12034 Riverside Canyon on Twenty-nine Palms Road from Whitewater. San Bernardino Mountains, Colorado Desert drainage area. 457 Comment
  RSA291610  Cheilanthes covillei C. W. Tilforth 1979-2-11 1744 Riverside Whitewater Canyon, east of Morongo Indian Reservation 441 Comment
  RSA752550  Cheilanthes covillei Justin M. Wood 2009-3-10 340 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  UC399603  Cheilanthes covillei I. M. Johnston 1917-4-4 1113 Riverside Palm Canyon 762 Comment
  POM148058  Cheilanthes newberryi J. B. Feudge 1925-3-15 1027 Riverside near Gilman Relief Hot Springs 610 Comment
  CAS-BOT-BC68098  Cheilanthes parryi Lewis S. Rose 1966-12-13 66101 Riverside Palm Springs, Tahquitz Wash 182 Comment
  UCR208185  Cheilanthes parryi N. C. Cooper 1944-4-8 1084 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 457 Comment
  UC56772  Chenopodium album H. M. Hall 1902-8-6 2652 Riverside Vicinity of Riverside 457 Comment
  UCR277698  Chenopodium album Mitch Provance 2012-7-15 612- 66 Riverside Beaumont Plateau, W end of Banning, 'Pershing Channel', N side W Ramsey St., W side of Omar St. 768 Comment
  UCR103222  Chenopodium berlandieri Scott D. White 1994-10-17 2463 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  UCR265479  Chenopodium berlandieri Jordan Zylstra 2014-8-17 14021 Riverside San Jacinto Mountains, Fobes Canyon wash, adjacent to Fobes Ranch Road 1483 Comment
  RSA478501  Chenopodium californicum Dorothy Cowper 1973-1 7306 Riverside Near Palms to Pines highway, southeast portion of Garner Ranch, Garner Valley. 1373 Comment
  UCR35145  Chenopodium californicum L. B. Ziegler 1968-2-22 265 Riverside San Jacinto Mtns, Foothills of the mtns. At mouth of Avery canyon (Diamond Valley) 488 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
  UCR122337  Chenopodium rubrum A. C. Sanders, Mitch Provance 1999-9-26 23098 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  SD234366  Chenopodium strictum Mitch Provance 2003-6-7 7607 Riverside San Bernardino Valley: Jurupa Mountains (extreme northwest end), near Philadelphia Street. 262 Comment
  RSA455309  Chilopsis linearis Albert J. Perkins 1916-4-16 s.n. Riverside Palm Canyon. Comment
  UCR17116  Chilopsis linearis J. W. Stubblefield 1969-5-10 S.N. Riverside Little San Bernardino Mtns, Big Morongo Canyon. 1.7 mi E on jeep road from Indian Ave. 305 Comment
  UCR77748  Chilopsis linearis Steve Boyd 1991-9-8 6425 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  RSA6090  Chilopsis linearis subsp. arcuata C. B. Wolf 1932-5-25 3674 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  UCR281927  Chilopsis linearis subsp. arcuata A. C. Sanders, Jim Malusa 2017-9-20 43347 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, in canyon 1.5 km west (276 deg. ) of Tabaseca Tank, 6.7 km SE of Salt Creek at mouth of Red Canyon 602 Comment
  RSA69271  Chimaphila umbellata subsp. occidentalis F. W. Peirson 1924-7-27 5004 Riverside about 1 mile west of Deer Springs, San Jacinto Mts. 2439 Comment
  SD232674  Chimaphila umbellata subsp. occidentalis Scott D. White 1996-8-1 4408 Riverside San Jacinto Mts.; Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area. S facing mountainside 1705 Comment
  RSA607337  Chorizanthe R. S. Woglum 1941-5-17 3050 Riverside Peninsular Ranges / Sonoran Desert transition: Coyote Canyon. . Comment
  UCR108717  Chorizanthe brevicornu Scott D. White, Pam DeVries 1998-2-9 6078 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  CAS-BOT-BC191714  Chorizanthe brevicornu var. brevicornu John H. Thomas 1957-4-6 6595 E Riverside Mojave Desert. About 2 miles N of Indian Cave, Joshua Tree National Monument. About 5 miles W and S of the town of Twentynine Palms 822 Comment
  POM13047  Chorizanthe brevicornu var. brevicornu P. A. Munz, D. D. Keck 1922-4-9 4859 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA340187  Chorizanthe brevicornu var. brevicornu Robert F. Thorne, W. A. Tilforth 1980-5-28 54177 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  RSA392658  Chorizanthe corrugata N. C. Cooper 1949-4-8 3306 Riverside Desert Center. 610 Comment
  UCR30161  Chorizanthe corrugata A. C. Sanders 1983-4-24 3801 Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, at the mouth of Salt Creek, 2 mi. north of the Imperial County line along Hwy 111 -70 Comment
  UCR37414  Chorizanthe parryi var. parryi Steve Boyd 1981-5-22 s.n. Riverside Lakeview Mountains, 3 mi ESE of Lakeview below the summit of Mt. Rudolf 795 Comment
  UCR174157  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32605 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
  SD134407  Chorizanthe procumbens Craig Reiser 1989-4-19 Riverside Southeast corner of De Portola and Colt Road Comment
  SD215611  Chorizanthe procumbens Steve Boyd, Orlando Mistretta 1991-5-22 6294 Riverside Vail Lake area, base of Agua Tibia Mountain, east of Dorland Mountain, west of Kolb Creek. 548 Comment
  UC55793  Chorizanthe procumbens H. M. Hall May 1901 1983 Riverside Temecula Valley Comment
  UCR217517  Chorizanthe procumbens var. albiflora Lee A. Ripma 2008-5-7 93 Riverside Santa Ana Mtns, San Mateo Canyon, 1.3km northwest of Wildomar Rd, west of Tenaja trail 661 Comment
  RSA559367  Chorizanthe staticoides Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7377 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  UCR139166  Chorizanthe staticoides 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
  RSA65277  Chorizanthe xanti var. leucotheca F. W. Peirson 1914-04 1776 Riverside Whitewater, west end of Coachella Valley. Comment
  CLARK-A1528-1739  Chrysothamnus teretifolius John C. Roos 1942-10-24 2577 Riverside Joshua Tree National Park 1523 Comment
  POM295633  Chrysothamnus teretifolius Lyman Benson 1952-12-29 15089 Riverside Hidden Valley, Joshua Tree National Monument 1372 Comment
  SD114083  Chylismia brevipes Darley F. Howe 1949-3-21 1950 Riverside 3.0 miles west of Desert Center. 305 Comment
  SD21522  Chylismia brevipes subsp. brevipes Frank F. Gander 1938-5-21 5765 Riverside Shaver's Summit. Comment
  UCR244411  Chylismia brevipes subsp. brevipes Jim Andre 2012-4-16 20908 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
  UC724197  Chylismia claviformis subsp. aurantiaca Aven Nelson, Ruth A. Nelson 1939-3-22 3215 Riverside Hwy 99 near Palm Springs Comment
  SDSU13526  Cirsium occidentale var. californicum W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UC30777  Cirsium occidentale var. californicum Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  UCR101356  Cirsium occidentale var. californicum A. C. Sanders 1997-4-10 20324 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR213834  Cirsium occidentale var. californicum Scott D. White, Justin M. Wood 2009-5-21 12836 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  JEPS59194  Cirsium scariosum W. L. Jepson 1901-5-27 1485 Riverside Cahuilla Valley 624 Comment
  UCD130825  Cirsium vulgare Robert F. Thorne; Steve Boyd, Earl Lathrop 1985-7-18 61280 Riverside De Luz: Arroyo near Murrieta-Guava St. roads, a few miles south of Murrieta. 385 Comment
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Aug 29 2013
  CAS-BOT-BC438858  Cistanthe monandra Peter H. Raven 1958-5-18 12979 Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  RSA516877  Cistanthe monandra Steve Boyd 1986-3-1 1359 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  POM153234  Clarkia bottae C. L. Hitchcock 1928-5-20 57 Riverside Santa Ana canyon, 8 miles west of Prado. 400 Comment
  UCD170690  Clarkia epilobioides A. C. Sanders; Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30094 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
  RSA1560  Clarkia purpurea subsp. quadrivulnera J. T. Howell 1928-7-9 1073 Riverside Head of San Juan Canyon. Elsinore Mountains 793 Comment
  RSA559449  Clarkia purpurea subsp. quadrivulnera Steve Boyd, T. S. Ross 1992-5-5 7219 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  UCR180053  Clarkia purpurea subsp. quadrivulnera Mitch Provance 2005-5-18 9800 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
  UCR165912  Clarkia rhomboidea T. B. Salvato, John F. Green 2004-5-27 552 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
  RSA759272  Claytonia parviflora Robt Allen, Lorrae Fuentes 2008-4-10 s.n. Riverside San Juan Canyon watershed. Along Bear Canyon Trail, 0.08 air mi. SSE of the trailhead near Ortega Hwy. 628 Comment
  UCR158133  Claytonia parviflora A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30083 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
  SD138017  Claytonia parviflora subsp. parviflora Darin L. Banks 1995-5-3 239 Riverside Cleveland National Forest; Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along lower benches of Arroyo Seco 512 Comment
  UCR214125  Claytonia perfoliata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37731 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  SBBG37512  Claytonia perfoliata subsp. perfoliata R. N. Muller, S. Lindsey 1967-5-11 Riverside 0.8 mi S on rd top of Box Springs Mtns from its jct with Pigeon Pass Rd Comment
  RSA0125187  Clematis pauciflora Duncan S. Bell 2016-3-3 8770 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3 air miles east northeast of Kitching Peak. 934 Comment
  SD1797  Clematis pauciflora Fidella Woodcock 1928-4-27 Riverside North grade of San Jacinto Mountain, near bridge. Comment
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Oct 23 2011
  SD255842  Clematis pauciflora Adrienne D. Russell, Michael G. Simpson 2000-4-29 129 Riverside North Field Station, Santa Margarita Ecological Reserve, rocky hillside between trailer and gorge on edge of lot, driveway. Comment
  UCR97283  Clematis pauciflora Scott D. White 1993-3-12 1161 Riverside Near Winchester 466 Comment
  POM14901  Cleome isomeris Mary F. Spencer 1922-3-27 s.n. Riverside Shavers Canyon. Mecca, Colorado Desert. Comment
  RSA663837  Cleome isomeris C. R. Annable, Lee Barron 1995-3-11 2268 Riverside Cactus City rest stop on I-10. Comment
  POM13869B  Collinsia concolor Philip A. Munz 1922-4-29 5100 Riverside Dripping Springs, near Temecula Creek 518 Comment
  RSA0117460  Collinsia concolor Duncan S. Bell, Valentin Arvizu 2010-5-24 1100 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  SD133001  Collinsia concolor Scott White 1991-5-10 91 141 Riverside Hwy 79, immediately W of the U.S. Forest Service Campground at Dripping Springs 548 Comment
  UCR158715  Collinsia heterophylla A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30002 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
  POM246590  Colubrina californica E. C. Jaeger 1938-10-30 s.n. Riverside North border of Chuckwalla Mountains, directly south of Desert Center Comment
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Jan 29 2009
  POM264596  Colubrina californica A. M. Alexander 1941-5-20 2206 Riverside 5.2 miles northwest of Desert Center, Eagle Mountain pumping station road. 457 Comment
  UC2027652  Colubrina californica Carolyn Martus, Joseph Betzier, Caesara Brungraber, Lance Woolley 2008-4-23 1217 Riverside Northwest of the Blythe airport and in the washes east of the McCoy mountains. Comment
  UCR72172  Colubrina californica Theo Glenn 1991-5-14 91- 46 Riverside Sonoran (Colorado) Desert, Colorado Desert; W side of Little Maria Mts., NW of Blythe 309 Comment
  UCD126181  Convolvulus simulans D. Bramlet 1993-3-30 2300 Riverside Siegal Ranch Road approximately 95 meters south of Cajalco Road and 976 meters east of the intersection of Cajalco Road and Sierra Ave, The site was located some 20 meters west of Siegal Ranch Road. 427 Comment
  UCR172210  Convolvulus simulans John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road 402 Comment
  UCR123601  Conyza canadensis D. E. Bramlet 2000-8-30 3072 Riverside Lake Skinner Regional Park. Tucalota Creek, just east of the equestrian bridge which crosses the creek. 1400-1500 ft north of the dirt service road (1487), and 2,600 - 2,700 ft. SE of the service road in Section 6 (1516) 470 Comment
  CLARK-A1528-4195  Cordylanthus filifolius John C. Roos 1965-8-18 Riverside San Jacinto Mountains Comment
  JEPS6760  Cordylanthus nevinii W. L. Jepson 1903-8-6 2274 Riverside Dark Canyon San Jacinto Mountains Comment
  RSA444564  Coreopsis bigelovii Walter Wisura 1988-3-23 4202 Riverside Highway 62 immediately E of Robinson Road, West of Twentynine Palms. Comment
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Sep 7 2013
  CAS-BOT-BC287877  Coreopsis californica Munz; Street; Williams 1919-3-28 2362 Riverside San Gorgonio Pass, near Cabazon 542 Comment
  RSA552693  Coreopsis californica Steve Boyd, Orlando Mistretta, Timothy S. Ross 1992-2-26 6701 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  SEINET904989  Coreopsis californica Lewis S. Rose 1949-1 Riverside 4 miles north-west of Alberhill, desert wash 304 Comment
  CAS-BOT-BC101303  Corethrogyne filaginifolia Philip A. Munz 1938-8-24 15383 Riverside ridge east of Toro Peak, Santa Rosa Mts. 2438 Comment
  CAS-BOT-BC101309  Corethrogyne filaginifolia I. W. Clokey; E. G. Anderson 1935-8-21 6963 Riverside East of Keen Camp P.O. 1350 Comment
  UC63198  Corethrogyne filaginifolia H. M. Hall 1899-1-1 Riverside Riverside Comment
  SD143944  Cornus glabrata A. C. Sanders, T. Tennant 1997-11-14 21596 Riverside San Bernardino Mountains; Morongo India Reservation, west end of Burro Flats. 1159 Comment
  CSUSB1371  Cornus nuttallii Frank C. Vasek 1964-7-25 Riverside San Jacinto Mountains San Jacinto Mountains. Dark Canyon, near Wet Canyon campground. Comment
  CAS-BOT-BC210460  Cornus sericea subsp. occidentalis Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38153 Riverside San Bernardino National Forest, San Jacinto Mts.: Lake Fulmor 1676 Comment
  SEINET11044816  Coryphantha alversonii Marc A. Baker, Michelle Cloud-Hughes 2011-1 Riverside Comment
  UCR155300  Crassula connata A. C. Sanders 2005-5-4 29849 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR98179  Crassula connata Scott D. White 1997-2-28 4728 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  HSC27776  Crossosoma bigelovii R. W. Spjut 1973-4-16 3305 Riverside W border of the Colorado Desert, rocky canyons of the San Jacinto Mtns., just N of Palm Springs 244 Comment
  SBBG72294  Crossosoma bigelovii unknown 1895-1 Riverside Palm Springs Comment
  SFV7303  Crossosoma bigelovii T. Gordon, K. Kimbrough, P. McDonald 1975-3-2 810 Riverside San Bernardino Mountains Whitewater Canyon. 762 Comment
  UCD102969  Crossosoma bigelovii Anne Harrison 1962-4-17 28 .5 Riverside East wall of Whitewater Canyon; north from Highway 60 on Whitewater Canyon road, 1/4 mile south of trout farm where road crosses Whitewater River. Comment
  RSA33866  Croton californicus N. C. Cooper 1943-9-10 918 Riverside Banning. 610 Comment
  RSA341996  Croton californicus R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54120 Riverside San Bernardino Mts: Sandy beach along Whitewater River, E of bridge and levee and below W-facing bluff 412 Comment
  RSA480574  Croton californicus M. B. Dunkle 1933-3-4 3060 Riverside Painted Canyon, Colorado Desert. 30 Comment
  SDSU13697  Croton californicus James C. Dice, Virginia Moran 1987-11-28 760 Riverside Temecula Gorge, on north bank of Santa Margarita River at aqueduct crossing. T8S, R3W, SE 1/4 of NE 1/4 of Section 27. 250 Comment
  UC56923  Croton californicus H. M. Hall May 1901 1871 Riverside along borders of Colorado Desert San Jacinto Mountains (e base of mts.) Comment
  UCR258633  Croton californicus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7898 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UCR58717  Croton californicus James C. Dice, Virginia Moran 1987-11-28 760 Riverside Peninsular Range, Temecula Gorge, N bank of Santa Margarita River at aqueduct crossing. 250 Comment
  RSA480700  Croton californicus var. mohavensis Christopher Davidson, B. Gustafson 1977-4-7 5589 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  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
  SEINET12141357  Croton californicus var. mohavensis I. W. Clokey 1935-1 6726 Riverside E of Mecca 200 Comment
  CLARK-A1045-208  Cryptantha angustifolia George K. Helmkamp 1979-4-18 Riverside Indio Hills dry wash; ; Lost Horse Mtn. 15'Q 304 Comment
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Feb 13 2019
  RSA778489  Cryptantha angustifolia Duncan S. Bell 2009-3-8 54 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  SBBG25804  Cryptantha angustifolia E. R. Blakley 1966-4-9 6752 Riverside jct of US Hwy 60-70 and Wiley Well Rd, ca. 15 mi W of Blythe 121 Comment
  SEINET3083658 Image available Cryptantha angustifolia Robert F. Thorne, Drs. Fosberg, Sachet, & Herbst 1983-4-23 55469 Riverside San Bernardino Mts: Side-canyon on W side of Whitewater canyon, ca 3.3 mi N of Whitewater Post Office 594 Comment
  SEINET4557943  Cryptantha angustifolia Naomi Fraga, David Fraker, Brett Griffin 2012-1 3949 Riverside Mojave Desert, Southcentral Mojave Desert Region: off of Box Canyon Rd. S. of Shaver well in a wash. 70 Comment
  UCR230775  Cryptantha angustifolia A. C. Sanders 2010-3-23 37534 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  RSA0042543  Cryptantha barbigera Philip A. Munz 1949-4-13 13045 Riverside Above Cottonwood Springs, west end Eagle Mts., Colorado Desert. 1097 Comment
  JOTR29561  Cryptantha barbigera var. fergusoniae Andre, Jim, Tasha LaDoux 2006-4-11 6735 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  UCSB18779  Cryptantha circumscissa Lean, Jr., Steve 1963-5-5 Riverside California Highway 74, 10. 2 miles SW of Palm Desert 883 Comment
  UCSB24714  Cryptantha circumscissa Austin, Stan 1966-5-15 Riverside 0.5 mile from Ranger Station on Banning-Idyllwild Rd. in Dark Canyon, San Jacinto mts. 1981 Comment
  UCR182317  Cryptantha corollata Mitch Provance 2003-4-5 6618 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  POM368240  Cryptantha holoptera M. B. Dunkle 1933-5-6 3436 Riverside Painted Canyon Comment
  POM3840  Cryptantha intermedia C. F. Baker 1903-4-5 4138 Riverside Hemet Comment
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Jul 6 2010
  POM3894  Cryptantha intermedia F. L. Robinson, Crocker 1916-4-5 s.n. Riverside Elsinore Region Comment
  RSA710935  Cryptantha intermedia A. C. Sanders 2001-4-8 23983 Riverside Western Colorado Desert: Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch. 348 Comment
  RSA732138  Cryptantha intermedia J. Andre 2006-4-6 8148 Riverside Joshua Tree National Park: approx 50 m N. of Keys View Parking area. 1553 Comment
  SD181668  Cryptantha intermedia Scott D. White, Teresa Salvato 2001-6-8 8580 Riverside Santa Ana Mountains; southern margin of county, just northeast of Rainbow Valley. 334 Comment
  UC857162  Cryptantha intermedia Mary F. Spencer 1922-4-23 2087 Riverside Banning Millard Canyon 716 Comment
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Mar 13 2011
  UCD119854  Cryptantha intermedia Gordon Pilone 1961-3-1 95 Riverside White Water Canyon, one-half mile below fish hatchery in San Bernardino Mountain Range. 457 Comment
  UCR107399  Cryptantha intermedia B. G. Pitzer 1997-3-23 2987 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR260533  Cryptantha intermedia T. B. Salvato 2014-5-29 8028 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  RSA0029037  Cryptantha intermedia Keith E. Hoffmaster 1936-4-26 710 Riverside Box Springs grade, E. of Riverside. Comment
  JOTR28747  Cryptantha maritima La Doux, Tasha, Bill Truesdell 2004-2-24 1029 Riverside Joshua Tree National Park. Eagle Mountains; Trail to Lost Palms Oasis, southeast of Cottonwood Oasis 914 Comment
  UCR213258  Cryptantha maritima A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37451 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  CLARK-A1528-2223  Cryptantha micrantha John C. Roos 1949-4-11 4239 Riverside Chuckwalla Mountains Comment
  POM249904  Cryptantha micrantha E. C. Jaeger 1938-5-30 s.n Riverside Mission Creek crossing, Morongo Road. Comment
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May 5 2013
  SEINET1906291  Cryptantha micrantha Sarah J. De Groot, J. Mark Porter 2006-1 5202 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. 351 Comment
  SEINET10840807  Cryptantha micrantha David B. Dunn 1946-8-17 Dunn 2718 Riverside Round meadow dry hillside among Lodge Pole pines San Jacinto mts. Hidden Lake. 2441 Comment
  UCR202235  Cryptantha micrantha var. lepida Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR79268  Cryptantha microstachys Steve Boyd, T. S. Ross 1992-5-5 7239 Riverside Southern Santa Ana Mtns, San Mateo Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  UCR41309  Cryptantha muricata N. M. Fellows 1984-3-20 6 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  RSA0079442  Cryptantha muricata var. jonesii LeRoy Gross, Valerie Soza 2003-5-8 832 Riverside San Jacinto Mountains region: North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  RSA0104500  Cryptantha muricata var. muricata Duncan S. Bell 2015-9-30 8656 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  RSA0079554  Cryptantha muricata var. muricata Christopher Davidson 1975-6-16 2810 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  CLARK-A1528-2229  Cryptantha nevadensis John C. Roos 1966-3-20 Riverside Comment
  RSA699334  Cryptantha nevadensis J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  UCR218470  Cryptantha nevadensis Jim Andre, T. La Doux 2009-3-10 11256 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  POM11638  Cryptantha racemosa T. S. Brandegee 1906-04 s.n. Riverside Colorado Desert, Riverside County Comment
  POM13228  Cryptantha racemosa E. C. Jaeger 1921-03 1117 Riverside Martinez Canyon [I think Martinez Cyn. should be either in the San Jacinto Mtns. region or in the western Colo Des region -- the Martinez Cyn I know of is in the Santa Rosa Mtns. -SDW 2004] Comment
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Feb 18 2013
  RSA0120478  Cryptantha racemosa Duncan S. Bell 2016-3-13 8925 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  JOTR29367  Cryptantha utahensis La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1444 Riverside Joshua Tree National Park. Long Canyon; Stop 1, south end of Long Canyon, near Park boundary 547 Comment
  JOTR30661  Cryptantha utahensis La Doux, Tasha, Jim Andre 2008-3-21 148 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  GMDRC3509  Cucurbita palmata J. Andre, T. La Doux 2008-9-16 10705 Riverside Little San Bernardino Mountains: Joshua Tree National Park: among boulders on NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad 34 deg. .534' N 116 deg. 3.098' W. Elev. 4354 ft. 1327 Comment
  RSA545300  Cuscuta californica R. F. Thorne 1967-12 41890 Riverside Palm desert Comment
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Jun 16 2013
  UCR174374  Cuscuta californica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32622 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 591 Comment
  RSA697312  Cuscuta californica Keith E. Hoffmaster 1934-3-22 s.n. Riverside Santa Ana Mountains, Santiago can. n. Silverado can. Comment
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Feb 16 2013
  CDA39932  Cuscuta campestris E. H. Asher 1958-6-9 510 -58 Riverside Indio. 0 Comment
  CDA39945  Cuscuta campestris R. Davis 1960-5-24 s.n. Riverside 0 Comment
  UCR82816  Cuscuta subinclusa A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15792 Riverside San Jacinto Mtns., N slope of mountains, nameless tributary of Azalea Creek, Twin Pines Creek drainage 1192 Comment
  SEINET9037749 Image available Cylindropuntia californica var. parkeri M. A. Baker, Chris Taylor 2015-1 18367 Riverside The Badlands, 2.3km SSE of the intersection of San Timoteo Road and Redlands Blvd., 28km ENE of Riverside, 0.6km south of San Timoteo Wash 573 Comment
  RSA0031144  Cylindropuntia chuckwallensis Marc Baker, Michelle Cloud-Hughes, Glenn Rink, Dina Robertson, Neal Kramer 2011-5-1 17305 Riverside Chuckwalla Mountains, 62km WSW of Blythe, 1km west of Chuckwalla Spring. UTM datum in NAD83. Lat-Long datum in WGS84. 600 Comment
  RSA125841  Cylindropuntia echinocarpa E. K. Balls, Percy C. Everett 1957-11-13 22801 Riverside Snow Creek, between village and Fish Hatchery. 671 Comment
  SD247385  Cylindropuntia munzii Andy Sanders, T. Thomas, et al. 2012-11-1 40509 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, south of the Chuckwalla Mountains, along Bradshaw Trail 1 kilometer southeast of Augustine Road junction, large wash on southwest side of road. 694 Comment
  CAS-BOT-BC56744  Cylindropuntia ramosissima B. D. Stark 1932-6-15 3736 Riverside Field redacted by CAS, contact the data manager for more information 228 Comment
  UCD97951  Cylindropuntia ramosissima Lionel A. Stange 1956-4-1 s.n. Riverside Near Forty Nine Palms oasis. Comment
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Jul 1 2012
  UCR113854  Cynodon dactylon Mitch Provance 2000-6-24 2062 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA179525  Cynodon dactylon E. W. Lathrop 1960-6-8 4917 Riverside 14 miles west of Murrieta Comment
  SD224786  Cyperus involucratus A. C. Sanders, G. Helmkamp 1996-3-17 17981 Riverside Coachella Valley: Palm Springs, Tahquitz Cyn. In vicinity of the debris basin above the W end of Sunny Dunes Rd. 185 Comment
  UCR199671  Cyperus odoratus Scott D. White, Lynn Stafford 2007-7-5 11756 Riverside Chino Hills State Park, Santa Ana River floodplain just blow Prado Dam 137 Comment
  CDA2606  Cyperus retrorsus S. Morgan 1994-9-13 Riverside On the UCR campus in the Botanic Garden, Riverside. 0 Comment
  RSA751911  Cystopteris fragilis Scott D. White, Justin M. Wood 2009-5-22 12914 Riverside Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  SEINET10811894  Dalea J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12865 Riverside South of Joshua Tree National Park and north of the Salton Sea, on unlabelled east-west road (called 66th Avenue in Mecca) between I-10 and Mecca. Comment
  RSA0124740  Dalea mollis Duncan S. Bell, LeRoy Gross 2016-3-9 8845 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  RSA28052  Dalea mollis I. L. Wiggins 1941-3-27 9680 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA48327  Dalea mollis E. K. Balls 1949-4-4 12961 Riverside Hollows between Durmid and Salton sea on Hwy 111. -30 Comment
  RSA793462  Dalea mollis Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-11 4372 Riverside Mecca Hills: at Hidden Spring just off Hidden Spring Canyon, approximately 2.6 air miles south of Shaver Well, or approx. 5.4 air miles northeast of junction of Box Canyon Road and the Coachella Canal. 216 Comment
  SEINET3004993  Dalea mollis G. Rink, M. Baker 2011-4-3 10421 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 170 Comment
  POM14065  Dalea mollissima P. A. Munz, D. D. Keck 1922-4-9 4870 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
  SD224957  Dalea mollissima G. K. Helmkamp 1998-2-5 2673 Riverside Little San Bernardino Mtns., 3.2 mi N of jct of Thousand Palms Canyon Rd & Dillon Rd. 456 Comment
  SD27946  Dalea mollissima Carl B. Wolf 1932-4-27 2994 Riverside 14 miles east of Mecca, on Blythe Road. 500 Comment
  UCR233939B  Dalea mollissima Duncan S. Bell 2011-10-22 2982 B Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  SEINET10871076  Dalea spinosa David B. Dunn, A. Folsom 1948-6-17 Dunn 3803 Riverside By quad 2. At camp in pushawalla canyon under palms. Desert dry wash indio Hills. Colorado desert. Comment
  RSA774925  Dasyochloa pulchella Duncan S. Bell 2011-4-7 2167 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  UC69226  Datisca glomerata F. M. Reed 1905-7-4 816 Riverside Coldwater Canyon, vicinity of Riverside Coldwater Canyon Comment
  UCR208074  Datisca glomerata T. S. Elias, Steve Boyd, Kit Tan 1986-7-23 10154 Riverside Peninsular Ranges; Santa Ana Mountains, Santa Rosa Plateau: along Cole Creek 610 Comment
  JOTR35005  Datura wrightii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3107 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  UCR21177  Datura wrightii Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR251351  Datura wrightii S. J. Myers 2014-5-21 1060 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UCR231741  Daucus pusillus John F. Green 2008-4-23 08- 14 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
  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
  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
  SJSU5503  Delairea odorata R. A. Anderson 1964-12-25 Riverside Riverside 259 Comment
  RSA343878  Delphinium parryi Robert F. Thorne 1985-5-18 60668 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  UC702865  Delphinium parryi Charles B. Fiker 1946-5-30 3494 Riverside dip s Temecula River bridge on Hwy 395 Comment
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Aug 12 2016
  SD152771  Delphinium patens subsp. hepaticoideum Steve Boyd 1992-4-15 6862 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 334 Comment
  UC219264  Dendromecon rigida P. A. Munz and I. M. Johnston 1922-5-19 5406 Riverside canyon bed near mouth of Strawberry Creek; San Jacinto Canyon 762 Comment
  RSA586332  Dendromecon rigida subsp. rigida D. L. Banks, S. D. Boyd 1995-5-3 197 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA66258  Dendromecon rigida subsp. rigida F. W. Peirson 1924-7-29 5025 Riverside Road between Banning and Idyllwild. 1768 Comment
  UCR21969  Deschampsia danthonioides var. gracilis Steve Boyd 1980-5-13 260 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  POM369432  Descurainia pinnata P. A. Munz 1932-3-14 11989 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  UCD114768  Descurainia pinnata J. Warren 1952-4-6 s.n. Riverside Palm Springs. 457 Comment
  UC1931130  Descurainia sophia Scott D. White, Justin Wood 2008-6-17 12161 Riverside San Jacinto Mountains: Garner Valley- Kenworthy Station (USFS) (Butterfly Peak) Comment
  CSUSB964  Dicentra chrysantha Richard Sayre 1972-5-7 Riverside Santa Rosa Road 7 miles from Murietta. Comment
  UCR19416  Dicentra chrysantha C. S. Papp 1965-6-13 841 Riverside San Jacinto Mtns, Idyllwild 1829 Comment
  UCD131187  Dicoria canescens L. S. Rose Date unknown s.n. Riverside Palm Springs, Colorado Desert. 138 Comment
  SEINET269429 Image available Diplacus bigelovii var. bigelovii John Wear 1995-1 Riverside Colorado Desert; wash along Eagle Mountain Road north of I-10 near Desert Center Comment
  RSA0019417  Diplacus fremontii LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6173 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  RSA0019424  Diplacus fremontii Barbara J. Ertter, Jeffrey L. Strachan 1979-6-26 2989 Riverside Banning - Idyllwild Road (Highway 243) at Black Mountain turnoff (Forest Road 4S01). Comment
  SBBG87344  Diplacus longiflorus B. Pitzer, A. C. Sanders 1937-4-21 495 Riverside Box Springs Mtns, near southernmost radio towers 792 Comment
  CAS-BOT-BC150870  Diplacus puniceus John C. Roos 1952-5-14 5665 Riverside Hills 2 miles northwest of Perris 502 Comment
  UCR2331  Distichlis spicata var. stricta H. J. Webber 1918-6-9 40 Riverside Alkali land NE of Riverside Comment
  RSA781655  Ditaxis claryana Duncan S. Bell 2009-3-8 76 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
  GMDRC3753  Ditaxis lanceolata J. Andre, T. La Doux 2009-3-1 11257 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  SEINET3196407 Image available Ditaxis lanceolata Teresa B. Salvato 2010-4-20 4060 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe (McCoy Peak 7.5' Q.) 183 Comment
  UCR234815  Ditaxis lanceolata Jim Andre, Glenn L. Clifton 2011-2-22 17480 Riverside Coachella Valley, 1.2 mi due south of Windy Point (at Hwy 111, just southwest of 'The Cove' housing development near Blaisdell Creek, at base of San Jacinto Mountains 320 Comment
  UCR72236  Ditaxis lanceolata Theo Glenn 1991-5-27 91- 122 Riverside Sonoran (Colorado) Desert, Palen Mountains, NE of Desert Center 360 Comment
  RSA784767  Ditaxis neomexicana Duncan S. Bell 2012-3-18 3171 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  UCR208852  Ditaxis neomexicana Scott D. White 2001-4-12 8311 Riverside Sonoran (Colorado) Desert, Shavers Valley, north of the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 351 Comment
  NY43247  Dithyrea californica C. R. Annable 1995-3-16 2296 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  POM7117  Dithyrea californica P. A. Munz, L. T. Street 1919-3-25 2309 Riverside Sand dunes. Whitewater. 305 Comment
  RSA0040166  Dithyrea californica Sarah J. De Groot, April Garbat 2013-3-28 6996 Riverside Along Highway 177 at sandy area just south of the Desert Lily sanctuary, Chuckwalla Valley, just south of the Coxcomb Mountains. 152 Comment
  UC61578  Dithyrea californica Dr. R. J. Smith March 1904 100 Riverside White Water 335 Comment
  UCSB2316  Dithyrea californica Ilch, D. 1932-3-13 Riverside Palm Springs, Colorado Desert Comment
  OBI69423  Dodecahema leptoceras L. LaPre 1988-1 Riverside Comment
  CAS-BOT-BC70833  Dryopteris arguta G. R. Kleeberger 1878-12-30 s.n. Riverside Temescal Comment
  UCR37490  Dryopteris arguta Steve Boyd 1981-2-2 s.n. Riverside Peninsular Range, Gavilan Hills, Rocky Bluff Ridge Comment
  UCR130867  Dudleya lanceolata Mitch Provance 1998-6-10 636 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  UCR43423  Dudleya saxosa B. G. Pitzer 1986-5-24 0251 Riverside San Bernardino Mtns, Whitewater Canyon, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to c. 1/4 mi north of hatchery boundary 732 Comment
  CAS-BOT-BC109603  Dudleya saxosa subsp. aloides Reid Moran 1947-5-10 2181 Riverside Palms-to-Pines highway 1 mile east of Santa Rosa Summit. 1371 Comment
  CAS-BOT-BC109609  Dudleya saxosa subsp. aloides Philip A. Munz 1937-5-31 15119 Riverside Anza Tablet, head of Coyote Canyon, southwest Riverside county. 1066 Comment
  GMDRC3987  Dudleya saxosa subsp. aloides J. Andre, T. La Doux 2006-4-26 11771 Riverside Little San Bernardino Mountains: upper Long Canyon (western drainage), growing on rocky slope in decomposed granite 1165 Comment
  JEPS49889  Dudleya saxosa subsp. aloides W. L. Jepson 1914-5-18 6011 Riverside n Indio (Lookout Mtn near Pinon Well); Colorado Desert Comment
  RSA0125251  Echinocereus engelmannii var. engelmannii P. A. Munz 1921-5-1 4496 Riverside Southern edge of Mojave Desert near Pinyon Wells. 1220 Comment
  RSA629024  Echinochloa crus-galli Scott D. White 1998-6-28 6803 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  UCD61060  Echinochloa muricata var. microstachya H. S. Yates 1937-6-27 6707 Riverside San Jacinto, near Relief Hot Springs. 457 Comment
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Mar 13 2011
  RSA575910  Eclipta prostrata Steve Boyd, Darin L. Banks 1994-9-29 8370 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  SEINET954735  Ehrharta longiflora Tom Chester 2005-1 581 Riverside Peninsular Ranges; Santa Ana Mountains region: Santa Margarita Ecological Reserve: Temecula Gorge, south side. 239 Comment
  RSA0013567  Eleocharis bella Steve Boyd, Gary D. Wallace 2005-7-30 11646 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2652 Comment
  CAS-BOT-BC112919  Eleocharis macrostachya H. M. Hall; L. A. Greata 1905-4-1 5919 Riverside Colorado River bottoms. Comment
  RSA586308  Eleocharis montevidensis Darin L. Banks, Steve Boyd 1995-5-3 219 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
  POM1371  Eleocharis montevidensis var. montevidensis Phillip A. Munz 1918-4-27 2141 Riverside Between Temescal [Creek/ Valley] and Murietta Comment
  SEINET7586940 Image available Eleocharis parishii Ivan Johnston 1917-4-4 s.n. Riverside Palm Canyon. Comment
  UCR93254  Elymus condensatus D. L. Banks, Steve Boyd 1995-10-17 786 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Mtns, Agua Tibia Wilderness Area. Along lower Arroyo Seco, south of the Dripping Springs Campground. Along the broad alluvial benches north of where Arroyo Seco turns to the east 512 Comment
  JOTR37442  Elymus elymoides subsp. elymoides Hodges, Stephen, T. Green 2016-5-24 564 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; along social trail ascending from Quail Springs parking lot towards Johnny Lang Canyon (Stop 1). Comment
  RSA769820  Elymus glaucus E. W. Lathrop 1973-6-28 7441 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCR80797  Elymus glaucus Scott D. White 1993-5-29 1478 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  UCD62705  Elymus trachycaulus F. M. Reed 1928-7-10 5983 Riverside Camp Emerson, Idyllwild. 1524 Comment
  UC56882  Emmenanthe penduliflora H. M. Hall Apr 1902 Riverside Coyote Canyon; in the west borders of Colorado Desert 152 Comment
  UCR41850  Emmenanthe penduliflora A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6037 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 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
  RSA757796  Emmenanthe penduliflora var. penduliflora LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4291 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  CAS-BOT-BC131160  Encelia actoni Mary F. Spencer 1919-7-9 1188 Riverside Foothills of San Jacinto Mt. 571 Comment
  JOTR16582  Encelia actoni Baker, James K. & Baker, Ilisa T. 1966-10-20 s.n. Riverside Joshua Tree National Park. RYAN MOUNTAIN WATERING TURNOUT 1310 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
  UCR177275  Encelia actoni Scott D. White, Michael Honer 2003-5-13 9251 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  UCR34968  Encelia actoni L. B. Ziegler 1964-9-2 026 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  CAS-BOT-BC226824  Encelia californica A. C. Sanders; T. B. Salvato 2012-4-27 40090 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
  SDSU3844  Encelia californica S. J. Barnhart 1966-4-17 660417 -15 Riverside South-west facing slope of small hill 0.1 mi. east of McAllister St. along the Metropolitan Water Co. Untility Road (dirt), which is 1.5. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UCR183175  Encelia californica Mitch Provance 2003-5-5 4413 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  SBBG52812  Encelia farinosa N. C. Cooper 1949-4-9 3325 Riverside Blythe 80 Comment
  SBBG97296  Encelia farinosa Leota Davidson 1966-4-5 189 a Riverside ca. 2 mi beyond second intersection, Wiley Well Rd, off US Hwy 95, ca. 18 mi W of Blythe 243 Comment
  UCR142735  Encelia farinosa F. W. Peirson 1922-4-9 1331 Riverside San Jacinto Mountains/ Sonoran (Colorado) Desert, Murray Canyon, Palm Springs region, c. 0.5 mi. above mouth 305 Comment
  UCSB18836  Encelia farinosa Beringer, George 1963-5-5 Riverside Near State Highway 74; 9.7 miles E of Pinyon Flats Public Campground 670 Comment
  RSA308544  Encelia farinosa var. farinosa Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3151 Riverside 10 miles east of Indio. Comment
  SEINET10616295  Encelia frutescens Billy Joe Cox 1975-4-23 Cox 4126 Riverside Palo Verde, 1-3 km. W, (ca. 32 mi. S of Blythe). Riverside-Imperial Counties. 70 Comment
  CLARK-A1528-4991  Encelia virginensis subsp. actonii John C. Roos 1948-4-24 3798 Riverside Whitewater Comment
  RSA799082  Ephedra aspera Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6879 Riverside South side of Joshua Tree National Park, Cottonwood Spring 915 Comment
  JOTR32656  Ephedra californica La Doux, Tasha, M. Bell, A. Holt, A. Miller, K. Matthews 2007-5-23 1338 Riverside Joshua Tree National Park. where Queen Valley meets Pleasant Valley, just north of Malapai Hill; open bajada with pediments, near Geology Tour Road 1219 Comment
  PASA1867  Ephedra californica R. E. Merrill Riverside Palm Canyon Comment
  RSA383870  Ephedra californica Anstruther Davidson 1902-5-18 1901 Riverside Banning, Cal. Comment
  SEINET5767780  Ephedra californica M. B. Dunkle 1932-3-25 2874 Riverside Cabazon. Colorado Desert. Comment
  UCR91061  Ephedra nevadensis Bern Schwenn 1994-2-20 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, Little San Bernardino Mtns. 'Hidden Gold' Canyon near the Hidden Gold Mine. Above the Park Service barrier at the bottom end of the curve, in S13. 854 Comment
  RSA0019796  Ephedra trifurca April Garbat, Kristin Forgrave 2013-5-14 68 -B Riverside Blythe-Rice Rd, at the valley bottom approx 2 mi S of Hwy 62 (S of RR tracks) 243 Comment
  UCR282410  Epilobium brachycarpum Mitch Provance 2009-7-1 709- 08 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  UCR281112  Epilobium campestre Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-23 517- 28 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  RSA180495  Epilobium canum subsp. canum E. W. Lathrop 1965-9-22 6017 Riverside 8 miles west of Murrieta. Comment
  SD122931  Epilobium canum subsp. canum Steve Boyd 1985-8-7 1109 Riverside Santa Rosa Plateau region, northwest base of Redonda Mesa on Tenaja Road, 0.8 mile east of junction with 8S01 and 8S02 Comment
  UCR115947  Epilobium ciliatum Mitch Provance 1998-6-11 670 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR4661  Epilobium ciliatum Frank C. Vasek 1964-7-25 640725- 08 Riverside San Jacinto Mountains, Dark Canyon 1829 Comment
  RSA588337  Epilobium ciliatum subsp. ciliatum E. A. McGregor 1964-9-16 s.n. Riverside Idyllwildm San Jacinto Mountains. Comment
  RSA633883  Epilobium glaberrimum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38157 Riverside San Jacinto Mountains: San Bernardino National Forest. Lake Fulmor. 1616 Comment
  JEPS64367  Epipactis gigantea Marjorie Clary 1931-3-29 2 Riverside Coachella Valley Santa Rosa Mts. (desert wash of mts.) 152 Comment
  UC4487  Epipactis gigantea Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  UC729656  Epipactis gigantea Carl B. Wolf 1932-5-25 3662 Riverside E. Fork of Snow Creek Canyon No. Base of San Jacinto Mts. (mouth) 670 Comment
  RSA652885  Equisetum hyemale var. affine John Wallace 1991-5-5 12 Riverside Colorado River, Palo Verde Dam. 5 yards east of outflow foot bridge. Comment
  POM11162  Equisetum laevigatum Philip A. Munz 1922-6-27 5837 Riverside Santa Rosa Mountains, Santa Rosa. 1981 Comment
  RSA684603  Equisetum laevigatum H. de Forest, Jack Rempel 1934-4-14 19792 Riverside Andreas Canyon. 305 Comment
  UCR95413  Eragrostis curvula var. conferta D. L. Banks, E. H. Banks 1996-5-2 0965 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn; Along Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road; along the west side of the road next to a citrus orchard 399 Comment
  IRVC27681  Eragrostis pectinacea var. pectinacea A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15770 Riverside N slope of mtns.; Twin Pines Creek in vicinity of confluence w/ Brown Crk. & of the dirt road crossing San Jacinto Mtns. 854 Comment
  UCR2388  Eragrostis pectinacea var. pectinacea F. M. Reed 1904-8-10 85 Riverside Riverside Comment
  JEPS68602  Eremalche exilis W. L. Jepson 1927-4-11 11629 Riverside Whitewater n.w. Colorado Desert, Whitewater 457 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
  UCR92752  Eremalche rotundifolia George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  RSA58864  Eremogone ferrisiae P. A. Munz, Percy C. Everett 1950-6-23 14917 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains. 1402 Comment
  CAS-BOT-BC160055  Eremothera boothii subsp. condensata Ynez Whilton Winblad 1937-3-16 s.n. Riverside Box Canyon Comment
  UC217952  Eremothera chamaenerioides P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4853 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 426 Comment
  UC354496  Eremothera refracta Edmund C. Jaeger 1926-2-20 Riverside near Niland; Salt Creek Wash, Canyon Springs Comment
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Jan 21 2008
  UCR163084  Eriastrum B. G. Pitzer 2000-5-7 4138 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UC1787271  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-22 101 Riverside Arroyo Seco Creek, adjacent to Drippings Springs Public Campground, ca. 500 m south of terminal loop of campground road, along east bank of creek. 487 Comment
  RSA0119712  Eriastrum diffusum subsp. coachellae Scott D. White, Michael Honer 2003-4-25 9102 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road. 610 Comment
  UCR144153  Eriastrum eremicum Scott D. White, Michael Honer 2003-4-25 9093 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UCD118270  Eriastrum eremicum subsp. eremicum Collector Unknown 2016-5-19 292 Riverside Little Morongo Wash, near Warren's Ranch. Comment
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Feb 15 2013
  CAS-BOT-BC514453  Eriastrum eremicum subsp. eremicum Milo S. Baker 1928-4-3 2847 b Riverside Hway South Palm Springs Comment
  CAS-BOT-BC514459  Eriastrum eremicum subsp. eremicum L. R. Abrams 1926-3-26 11062 Riverside Palm Springs to Palm Canyon Comment
  SDSU3049  Eriastrum sapphirinum A. H. Gallup 1948-6-12 223 Riverside San Jacinto Mt. Road from the town of San Jacinto. 823 Comment
  UC1929953  Eriastrum sapphirinum Scott D. White, Justin Wood 2008-6-16 12125 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. Comment
  UC23880  Eriastrum sapphirinum Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  UCR260570  Eriastrum sapphirinum T. B. Salvato 2014-5-29 8032 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  RSA0095204  Ericameria cuneata var. spathulata Duncan S. Bell 2015-9-30 s.n. Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UC494685  Ericameria cuneata var. spathulata P. A. Munz 1932-10-16 12848 Riverside road Indio to Vandeventer Flat; Santa Rosa Mts. 1066 Comment
  SEINET5727172 Image available Ericameria cuneata var. spathulata Lowell E. Urbatsch, Patricia B. Cox; Sue Grace 1995-1 7092 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
  RSA297386  Ericameria linearifolia Larry E. DeBuhr 1972-3-24 533 Riverside Santa Rosa Mts. along forest road 7S02 in San Bernardino National Forest 1768 Comment
  RSA33456  Ericameria linearifolia Norman C. Cooper 1944-3-25 1003 Riverside Cabazon. 457 Comment
  JEPS30388  Ericameria nauseosa var. bernardina William M. Klein 1960-8-22 1587 Riverside n of Idyllwild (along trail to Suicide Rock); San Jacinto Mts., Mt. San Jacinto, Suicide Rock Comment
  UCR92391  Ericameria palmeri var. pachylepis F. M. Reed 1925-1 5144 Riverside South Coast; San Bernardino Valley, Riverside: mesa on Arlington Heights (Lincoln Heights) 396 Comment
  SD224830  Ericameria paniculata B. Pitzer 1996-11-11 2930 Riverside Orocopia Mts: Salt Creek Wash, at intersection w/ SR211, 4 rd. mi. S of Bob's Cabin. Hayfield 15' USGS Quad. 274 Comment
  UCR277797  Ericameria paniculata A. C. Sanders, Jim Malusa 2017-1-15 42667 Riverside Sonoran (Colorado) Desert, Salt Creek wash below Red Canyon confluence, north edge of Chocolate Mountains Aerial Gunnery Range, beside Summit Road 367 Comment
  JOTR31167  Erigeron breweri var. covillei La Doux, Tasha 2009-6-3 1873 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  CAS-BOT-BC33495  Erigeron breweri var. jacinteus Harvey Monroe Hall 1901-6-1 2322 Riverside San Jacinto Mountains; near Tauquitz 2690 Comment
  SFV13146  Erigeron canadensis M. J. Thor 1982-9-16 131 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  RSA708569  Erigeron foliosus Scott D. White, Jennifer H. Jones 2005-5-24 11095 Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 Comment
  UCR262561  Erigeron foliosus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3760 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  RSA683093  Erigeron foliosus var. foliosus Scott D. White, Teresa B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8658 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
  SBBG89038  Erigeron foliosus var. foliosus B. Pitzer, K. Kirtland 1986-5-20 228 Riverside Butterfield Stage Ranch development, in the hills on the N side of Pauba Valley in the Rancho California area, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd 457 Comment
  UCR84065  Erigeron foliosus var. foliosus A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15776 Riverside San Jacinto Mtns, N slope of the mtns: nameless tributary to Azalea Creek, c. 1 mi. due south of the Twin Pines Ranch buildings. 1128 Comment
  POM73306  Eriodictyon crassifolium Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UCR163814  Eriodictyon crassifolium John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 1 mile N of Squaw Mountain, 1.6 mi. NE of Tenaja Guard Station 716 Comment
  POM12123  Eriodictyon trichocalyx Mary F. Spencer 1921-4-19 1120 Riverside Banning. Comment
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Mar 13 2011
  UCR241241  Eriodictyon trichocalyx Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 501 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR193731  Eriogonum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35649 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  CAS-BOT-BC248618  Eriogonum apiculatum Philip A. Munz 1937-5-30 15110 Riverside Dos Palmos Spring, north end Santa Rosa Mts. 1097 Comment
  CAS-BOT-BC248637  Eriogonum apiculatum Carl B. Wolf 1932-8-4 3913 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  POM187609  Eriogonum apiculatum E. L. Peterson 1931-9-5 s.n. Riverside Coldwater canyon. 1524 Comment
  SD155432  Eriogonum apiculatum Craig Reiser 2002-5-27 Riverside Santa Rosa Peak, above east-west primary fire road, below peak. Comment
  UC1505525  Eriogonum apiculatum Reid Moran 1973-7-28 21108 Riverside summit of Toro Peak Santa Rosa Mts., Toro Peak 2500 Comment
  JOTR32454  Eriogonum brachyanthum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2602 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  JOTR31100  Eriogonum davidsonii La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2358 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Side canyon off main wash between Ryan Mtn and Lost Horse Hills, with steep rocky slopes (Stop 4) Comment
  POM244786  Eriogonum davidsonii E. C. Jaeger 1938-5-14 s.n. Riverside Covington Flats, Joshua Tree National Monument. 1280 Comment
  UCSB37821  Eriogonum davidsonii Sanders, A. 1980-7-18 Riverside Thomas Mountainj Thomas Mtn. campground to the summit at the lookout; T 6S, R 3E, W1/2 sec. 28 2072 Comment
  UCR251340  Eriogonum deflexum S. J. Myers 2014-5-21 1059 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  RSA393274  Eriogonum deflexum var. deflexum J. A. Comstock 1942-5-31 644 Riverside Desert Center. Comment
  OBI81681  Eriogonum fasciculatum Cecelia Call 1958-7-14 7 Riverside On Chase drive near Corona Comment
  CAS-BOT-BC249901  Eriogonum fasciculatum var. flavoviride D. A. Johansen; J. A. Ewan 1932-4-11 7087 Riverside Martinez Canyon, Santa Rosa Mts. 365 Comment
  GMDRC5485  Eriogonum fasciculatum var. flavoviride J. Andre 2012-4-11 20827 Riverside Little San Bernardino Mountains: western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  RSA701344  Eriogonum fasciculatum var. foliolosum M. Wall 1996-1-5 116 Riverside S of Hemet along Bautista Canyon Rd, S of Hwy 74, 6.3 mi SE of Fariview Avenue. 610 Comment
  CAS-BOT-BC250131  Eriogonum fasciculatum var. polifolium F. O. Ballou 1926-2-28 s.n. Riverside Murray Canon [Canyon] Comment
  POM308609  Eriogonum fasciculatum var. polifolium Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3223 Riverside Near Desert Center. Comment
  RSA393341  Eriogonum fasciculatum var. polifolium H. de Forest 1933-4-17 s.n. Riverside Chino Canyon, Colorado Desert. Comment
  RSA393350  Eriogonum fasciculatum var. polifolium M. B. Dunkle 1933-3-3 3021 Riverside Devils Cactus Garden, Colorado Desert 152 Comment
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Mar 20 2011
  RSA648261  Eriogonum fasciculatum var. polifolium Margaret Murphy 1983-5-15 0022 -C Riverside located in the north section of parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA741743  Eriogonum fasciculatum var. polifolium M. Wall 2008-10-6 496 Riverside San Jacinto Valley, Baustista Rd. south east of Hemet; Bautista Creek ca. 6.0 miles SE of Fairview Ave. 778 Comment
  SBBG62113  Eriogonum gracile P. A. Munz, I. M. Johnston 1928-9-12 11253 Riverside Temescal Cyn Comment
  UCR178322  Eriogonum gracile T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 618 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR240651  Eriogonum gracile Tracy Tennant 1998-8-14 MOR- 1066 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon, NW of Cabazon 1372 Comment
  UCR43412  Eriogonum gracile B. G. Pitzer 1986-5-24 0249 Riverside San Bernardino Mtns, Whitewater Canyon, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to c. 1/4 mi north of hatchery boundary 732 Comment
  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
  JEPS56815  Eriogonum inflatum E. E. Schellenger May 1920 Riverside Hayfields near Mecca; Colorado Desert Comment
  JOTR16812  Eriogonum inflatum Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON 853 Comment
  UCR12003  Eriogonum inflatum W. Shapeero 1954-4-28 s.n. Riverside Mojave Desert, Joshua Tree National Monument [Park] Comment
  RSA393695  Eriogonum molestum N. C. Cooper 1944-7-16 1610 Riverside At trailside. San Jacinto Mt. above Pine Cove 2073 Comment
  UC6361  Eriogonum molestum H. M. Hall July 1901 2624 a Riverside pine forests in vicinity of Strawberry Valley; San Jacinto Mountains 1584 Comment
  LA206956  Eriogonum nudum var. pauciflorum Elizabeth McClintock; 1938-9-1 sn Riverside San Jacinto Mountains, trail to Round Valley from Hidden Lake Comment
  POM259133  Eriogonum nudum var. pauciflorum P. A. Munz 1938-8-14 15374 Riverside East of Toro Peak 2287 Comment
  POM48879  Eriogonum nudum var. pauciflorum P. A. Munz, I. M. Johnston 1924-7-27 8736 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  RSA761996  Eriogonum nudum var. pauciflorum Peter Guiden, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 71 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  JOTR30654  Eriogonum pusillum Andre, Jim, Tasha La Doux 2008-3-21 8838 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  RSA342543  Eriogonum pusillum Robert F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54087 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  UCSB18462  Eriogonum pusillum Keith, Sheldon 1963-5-5 Riverside State Highway 74; 10.2 miles SW of Palm Desert 883 Comment
  UC64563  Eriogonum saxatile H. M. Hall 729 Riverside San Jacinto Mountains 2438 Comment
  CAS-BOT-BC263546  Eriogonum thomasii Carl B. Wolf 1932-4-27 3014 Riverside 17 mi. E. of Mecca on Blythe Road, Colorado Desert 152 Comment
  JOTR31860  Eriogonum thomasii La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2117 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  UC912798  Eriogonum thomasii Mary F. Spencer 1922-3-23 2148 Riverside near Mecca; Colorado Desert -48 Comment
  UCR148335  Eriogonum thomasii John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  UCR165820  Eriogonum thomasii John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  RSA527848  Eriogonum thurberi Scott D. White 1991-5-13 91 -117 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  RSA543833  Eriogonum thurberi Steve Boyd, Orlando Mistretta 1991-5-22 6292 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA0054884  Eriogonum thurberi Keith E. Hoffmaster 1937-3-16 743 Riverside Near Palm Springs station. Comment
  CAS-BOT-BC263583  Eriogonum trichopes L. A. Greata No date on label. 400 Riverside Coachella, Colorado Desert Comment
  CAS-BOT-BC263589  Eriogonum trichopes Roxana S. Ferris 1918-6-14 972 Riverside Near Indian Wells Comment
  RSA681033  Eriogonum trichopes Scott D. White, Michael Honer 2003-5-14 9265 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR111231  Eriogonum trichopes S. G. Stokes 1933-4-9 51 Riverside Sonoran (Colorado) Desert, South of Palm Springs 244 Comment
  CAS-BOT-BC268190  Eriogonum umbellatum var. munzii James L. Reveal; Caroline G. Reveal 1972-8-9 2859 Riverside San Jacinto Mountains, along California Highway 243, 4.2 miles north-northwest of Idyllwild, 8.7 miles north of the junction with Highway 74 and 1.2 miles south of Alandale Ranger Station Comment
  UCSB24382  Eriogonum wrightii Wheeler, Louis 1933-12-1 Riverside Mouth of Tahquitz Canyon; San Jacinto Mts 152 Comment
  RSA0118094  Eriogonum wrightii var. membranaceum Sarah DeGroot, Duncan S. Bell 2015-9-21 7581 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Dunn Road, between Asbestos Mountains Haystack Mountain. 1241 Comment
  RSA420611  Eriogonum wrightii var. membranaceum N. R. Zabriskie, Walter Zabriskie 1972-9-7 534 Riverside Strawberry firebacks, S of S end Marion Ridge Rd., Pine Cove, W drainage San Jacinto Mountains. 1921 Comment
  POM123233  Eriogonum wrightii var. nodosum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  RSA125850  Eriogonum wrightii var. nodosum E. K. Balls, Percy C. Everett 1957-11-13 22799 Riverside Snow Creek, n. side of valley 701 Comment
  RSA9743  Eriogonum wrightii var. nodosum Louis C. Wheeler 1933-12-1 2294 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  UC68594  Erioneuron pulchellum H. M. Hall 1905-5-1 5961 Riverside Colorado River Colorado Desert (canyons along river) Comment
  POM47482  Eriophyllum ambiguum var. paleaceum Mary F. Spencer 1920-4-7 1428 Riverside Palm Canyon 244 Comment
  RSA770858  Eriophyllum confertiflorum Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4930 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
  RSA777337  Eriophyllum confertiflorum Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4701 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 W116.65120 604 Comment
  UCR231776  Eriophyllum confertiflorum John F. Green 2008-4-23 08- 18 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
  CAS-BOT-BC301789  Eriophyllum multicaule Marcus E. Jones 1882-4-25 3173 Riverside San Jacinto Comment
  UC71969  Eriophyllum multicaule Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR112977  Eriophyllum multicaule B. G. Pitzer 1998-3-1 3550 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  CAS-BOT-BC296974  Eriophyllum wallacei L. R. Abrams 1926-3-25 11006 Riverside Cabazon to Whitewater Comment
  SD124900  Eriophyllum wallacei Scott Cantrell 1986-3-28 91 Riverside Desert Hot Springs, near Highway 62 and Indian Ave. 519 Comment
  SEINET7063220  Eriophyllum wallacei A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UC31773  Eriophyllum wallacei H. M. Hall 1901-6-1 2053 Riverside s slopes in the vicinity of Chalk Hill; San Jacinto Mountains 1524 Comment
  SD255763  Erodium botrys Mitch Provance 2012-5-24 512 1 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Ave. and Wilson St. 868 Comment
  UCR104888  Erodium brachycarpum A. C. Sanders 1997-3-19 20013 Riverside Lake Skinner area, hills between Tucalota Creek and lower Rawson Canyon, c. 1/2 mi. (1 km) east of the lake 488 Comment
  UCR120912  Erodium brachycarpum A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24950 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  OBI30175  Erodium cicutarium Bruce H. Lewis 1970-3-16 T 3 Riverside Along State Hwy 71, S of the Elsinore fwy intersection. Open field at the corner of Lawson-Hunt Rd 396 Comment
  POM13932  Erodium texanum P. A. Munz 1922-3-12 4711 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  UCR248053  Erodium texanum Duncan S. Bell 2012-3-8 3149 Riverside Mojave Desert, Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal 16 Comment
  RSA0130727  Erodium texanum Glen Rink 2013-3-18 11877 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  SD68954  Eryngium aristulatum var. parishii Robert F. Thorne, E. Lathrop and P. Munz 1968-5-8 37572 Riverside Santa Rosa Plateau; Mesa de Colorado, Rancho California. 669 Comment
  UCR154536  Eryngium aristulatum var. parishii Jason L. Hlebakos 2005-5-18 703 Riverside Santa Rosa Plateau, Pool on E side of Mesa de Burro, above upper end of Miller Canyon 610 Comment
  CAS-BOT-BC54328  Erysimum capitatum G. B. Rossbach 1955-4-22 584 Riverside Juniper Flat, north side of Little San Bernardino Mountains. 1432 Comment
  CAS-BOT-BC54332  Erysimum capitatum Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain. Comment
  JOTR16638  Erysimum capitatum var. capitatum Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1645 Comment
  RSA0020089  Erythranthe floribunda LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6178 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  RSA0020244  Erythranthe floribunda Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 637 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCD96494  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-14 254 Riverside California. Riverside County: Joshua Tree National Park. 856 Comment
  UCR250884  Eschscholzia californica S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1046 Riverside Lakeview Mountains, along powerline access road 0.5 mi. NE of intersection of Contour Ave. & Truffaut Dr, c. 1 mi. NE of Juniper Flats Rd. 628 Comment
  CAS-BOT-BC83130  Eschscholzia minutiflora L. A. Greata 1901-1-1 423 Riverside Coachella. Comment
  CAS-BOT-BC83133  Eschscholzia minutiflora Dr. A. Davidson 1893-1-1 s.n. Riverside Colorado Desert. Palm Springs. Comment
  UC708740  Eschscholzia minutiflora H. K. Wagnon 1944-3-26 372 Riverside Cathedral Canyon Cathedral City (dry stream bed) Comment
  UCR147846  Eschscholzia parishii Steve Boyd, Et al. 2004-5-14 11272 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
  RSA718872  Eschscholzia parishii Michael Honer, L. Hulse 2005-3-7 2033 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  RSA0010853  Eucalyptus camaldulensis J. Lyman 1989-2-9 89 -1 Riverside Lakeview, Pressman property in the Bernasconi Hills, just S of the Ramona Expressway, S of Lake Perris and N of Nuevo. Comment
  HSC101591  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Boyd, Susan Jett 2008-3-20 11834 Riverside Peninsular Ranges; Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Highway Vehicle Area Comment
  UCR163393  Euphorbia abramsiana B. G. Pitzer, G. R. Ballmer 2000-10-14 4219 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  UCR121894  Euphorbia albomarginata Ian G. Gillespie 2001-5-7 084 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  UCR262449  Euphorbia albomarginata John F. Green 2015-6-23 615- 03 Riverside Peninsular Range; San Jacinto Mtns. 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
  RSA0042921  Euphorbia jaegeri Duncan S. Bell, Evan Meyer 2014-4-2 6494 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR128937  Euphorbia micromera Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  JEPS51905  Euphorbia palmeri W. L. Jepson and H. M. Hall 1901-5-19 1302 Riverside Strawberry Valley; Mt. San Jacinto Comment
  RSA678386  Euphorbia polycarpa Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10458 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR120563  Euphorbia polycarpa Helen Kennedy, T. B. Salvato 2002-2-2 5448 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCR172248  Euphorbia polycarpa John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UCR214906  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37678 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
  UCR51952  Euphorbia polycarpa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2100 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR89557  Euphorbia polycarpa George K. Helmkamp 1994-3-10 42- 4 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
  RSA70391  Euphorbia polycarpa var. hirtella F. W. Peirson 1928-4-24 7910 a Riverside Below Cottonwood Spring, northern edge of Colorado Desert. Comment
  UCD142790  Euphorbia serpillifolia Louis C. Wheeler 1965-6-27 8692 Riverside Corona: Overboltzer's Grove. Comment
  RSA600124  Fagonia laevis Louis C. Wheeler 1959-12-27 7645 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  RSA78454  Fagonia laevis Verne Grant, Alva Grant 1952-4-1 17521 Riverside 9 miles E of Mecca Comment
  UC1922905  Fagonia laevis Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10896 Riverside Sonoran Desert: Eastern Coachella Valley. Bajada beneath Mecca Hills, just East of Coachella Canal. (Thermal Canyon) Comment
  RSA0009994  Fagonia laevis Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  CLARK-A1528-4667  Festuca pacifica John C. Roos 1937-5-2 1282 Riverside Riverside Comment
  SDSU13580  Festuca perennis W. Miller with C. Mosse 1972-8-9 Riverside Comment
  UCR101333  Filago gallica A. C. Sanders 1997-4-10 20316 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  RSA595703  Forestiera pubescens R. E. Riefner Jr. 1996-7-15 96 -154 Riverside W of community of El Cerrito, NW 1mile from Minnesota Road & Temescal Wash. Comment
  UC1123324  Forestiera pubescens A. Lewis Mar 1934 331 Riverside 2 mi ne Auburndale; Corona Quad. 121 Comment
  POM13038  Fouquieria splendens P. A. Munz, D. Keck 1922-4-9 4897 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  CAS-BOT-BC53340  Frangula californica subsp. cuspidata H. E. McMinn 1925-7-2 1513 Riverside Tahquitz Trail - San Jacinto Mts. Comment
  CAS-BOT-BC211662  Frankenia salina Peter H. Raven; Sidney R. Snow 1956-6-30 9530 Riverside 4.7 miles east of Temecula on Highway 71 Comment
  RSA192339  Fraxinus velutina var. coriacea E. W. Lathrop 1966-3-2 6048 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trails 878 Comment
  SD229053  Funastrum heterophyllum Dick Schwenkmeyer 2012-5-22 710 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 mi. south of intersection of highways 10 and 111, Riverside County, CA. 511 Comment
  LA208395  Galium andrewsii Robert G. Engman; sn Riverside San Jacinto Mountains, San Jacinto Mts Comment
  UC1478711  Galium andrewsii subsp. andrewsii C. W. Tilforth and B. Busenberg 1980-6-10 1983 Riverside s Lake Hemet (w of Hwy 74, along Thomas Mtn. Rd.) Comment
  UCR232034  Galium angustifolium John F. Green 2008-4-15 0408- 20 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  JEPS56051  Galium angustifolium subsp. jacinticum Lauramay T. Dempster and G. L. Stebbins 1966-6-18 4246 Riverside along Black Mountain Road 2.2 mi above junction with Pine Wood road; along Black Mountain Road 2072 Comment
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Oct 12 2006
  RSA716392  Galium aparine Scott D. White, Angelia Carey 2004-4-5 9983 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR139041  Galium aparine D. L. Banks 1997-3-6 1397 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. 'Fiesta Ground' east of Pechanga Creek along the N fork of Pechanga Creek at the E end of the Reservation 482 Comment
  RSA0022211  Galium aparine D. W. Stevens 1966-5-21 834 Riverside Thomas Mt. Camp. Comment
  RSA701501  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot 2004-7-7 1296 Riverside Along Chimeny Flats Road (5S06) near intersection with FS Road 5S24, on the way to Alvin Meadows. 1418 Comment
  LA208516  Galium johnstonii F. H. Lewis; 1939-11-22 Riverside San Jacinto Mountains, Dry slope, Idyllwild Comment
  SBBG68947  Galium parishii R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2438 Comment
  UC28215  Galium parishii H. M. Hall 1901-6 2424 Riverside ridges and peaks near Tahquitz; San Jacinto Mountains 2560 Comment
  UCR25406  Galium stellatum subsp. eremicum John C. Roos, Lucille Roos 1949-4-6 4144 Riverside Sonoran (Colorado) Desert, Canyon in the Orocopia Mountains, 2.5 mi. NE of Dos Palmas Spring 152 Comment
  RSA643453  Garrya veatchii A. C. Sanders 1995-11-26 17914 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga & Anza, S of Hwy 371 (near, T8S R2E, S13, 14, 15, 22) crossing Spanish spur Trail, 0.3 mile S of Tule Peak Road, SE/4, S15. 1204 Comment
  RSA674622  Gastridium phleoides Scott D. White, Sandy Leatherman 2000-5-31 7973 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 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
  RSA577514  Gazania linearis D. L. Banks, S. D. Boyd 1995-2-16 0043 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, along the Woodchuck Trail. 627 Comment
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Feb 20 2020
  RSA171037  Geraea canescens R. F. Thorne 1963-3-29 32390 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
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Dec 13 2011
  SBBG104633  Geraea canescens T. Glenn 1991-4-30 91 -59 Riverside McCoy Mtns NW of Blythe Comment
  RSA0036275  Geraea canescens M. B. Dunkle 1933-3-4 3058 Riverside Painted Canyon. Colorado Desert. 30 Comment
  RSA391012  Geranium richardsonii M. B. Dunkle 1933-7-23 3763 Riverside San Jacinto Peak 2896 Comment
  RSA424901C  Gilia angelensis N. M. Fellows, A. C. Sanders 1985-4-9 134 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mi west of Snow Creek Village. 489 Comment
  SEINET7073393  Gilia angelensis A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UC909002  Gilia angelensis Victor Duran 1935-4-17 Riverside Sage Comment
  UCR135992  Gilia angelensis Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCR26505  Gilia angelensis A. C. Sanders, S. Hagopian 1981-5-20 2148 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UCR98082  Gilia australis A. C. Sanders, G. Helmkamp 1997-3-15 19950 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  LA102237  Gilia capitata subsp. abrotanifolia John C. Roos; Lucille Roos 1952-4-27 5585 Riverside San Timoteo Canyon in Redlands 426 Comment
  UC908040  Gilia latifolia Victor Duran 1935-4-18 Riverside near Indio (Curtis Palms); Curtis Palms -- near Indio Comment
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Dec 14 2011
  UCR277164  Gilia maculata Robert J. Steers, Chris E. True 2008-3-25 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Snow Creek Canyon, NE of Snow Creek Village, < 50 m east of Snow Creek Rd. 370 Comment
  RSA0017085  Gilia ochroleuca subsp. exilis Marcus E. Jones 1889-4-20 10311 Riverside San Jacinto. Comment
  RSA0107456  Gilia scopulorum Duncan S. Bell, Amanda Turek 2010-4-9 784 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 485 Comment
  RSA796034  Gilia scopulorum Duncan S. Bell 2009-4-18 250 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  UCR169308  Gilia splendens T. B. Salvato, John F. Green 2004-5-27 591 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
  JOTR35208  Gilia stellata Harding, Mitzi, Tasya Herskovitz 2011-4-20 185 Riverside Joshua Tree National Park. Burned slopes above Keys View parking area 1597 Comment
  LA210342  Gilia stellata K. Watkins; E. McClintock 1937-4-10 sn Riverside Palms to Pines Highway near road to Shumay Comment
  RSA0124746  Gilia stellata Duncan S. Bell, LeRoy Gross 2016-3-9 8839 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  SBBG5903  Gilia stellata H. and M. Dearing 1942-3-10 4823 Riverside Dos Palmas Cyn Comment
  UCR169781  Gilia stellata Scott D. White, Jennifer H. Jones 2005-5-24 11106 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  CLARK-A1528-2365  Githopsis specularioides John C. Roos 1950-4-22 4750 Riverside Reche Canyon 822 Comment
  UCR275274  Glinus lotoides T. B. Salvato, Gregg Miller 2005-6-7 1490 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  UCR112518  Gnaphalium californicum Mitch Provance 1998-2-6 23 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.45 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 351 Comment
  RSA552541  Gnaphalium canescens D. Charlton 1987-12-6 1104 Riverside Cottonwood Canyon, first canyon W of Whitewater N of the 10 freeway. N of Palm Springs. Foothills of San Bernardino Mtns. 915 Comment
  UCR94954  Gnaphalium canescens subsp. beneolens Scott D. White 1996-8-15 4471 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  UCR233084  Gnaphalium canescens subsp. microcephalum T. B. Salvato, Richard Camacho 2011-6-12 5492 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  RSA314478  Gnaphalium luteoalbum R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55375 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA708178  Gnaphalium luteoalbum Scott D. White, Angelia Carey 2004-5-7 10322 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UCR174241  Gnaphalium luteoalbum A. C. Sanders, T. B. Salvato 2006-6-2 33078 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
  POM212729  Gnaphalium palustre P. A. Munz 1941-5-18 16649 Riverside About 15 miles northeast of Temecula. Comment
  UCR157950  Gnaphalium palustre T. B. Salvato, A. C. Sanders 2005-5-17 920 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
  UCR201423  Gnaphalium palustre Scott D. White, Justin M. Wood 2008-6-17 12153 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  UCR260556  Gnaphalium palustre T. B. Salvato, Matt Malle 2015-3-31 8100 Riverside Perris-Aguanga Basin, south end of Perris Valley, c. 8 mi south of the Perris Reservoir, northwest corner of Matthews (Case) Road and Menifee Road 446 Comment
  RSA0004480  Godetia quadrivulnera var. hallii H. M. Hall 1905-06 6241 Riverside East base Box Springs Mt. 610 Comment
  JOTR31077  Grayia spinosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2339 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  RSA85146  Guillenia lasiophylla J. C. Roos 1952-4-9 5500 Riverside Mt Rubidoux. 396 Comment
  RSA717577  Gutierrezia californica A. C. Sanders 2004-5-11 27847 Riverside Elsinore Basin Region: Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  SBBG95150  Gutierrezia californica S. D. White 1990-10-2 Riverside St Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  UCR117338  Gutierrezia californica Mitch Provance 1998-3-22 253 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  JOTR30812  Gutierrezia microcephala Andre, Jim, Tasha La Doux 2008-9-16 10690 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  HSC84154  Gutierrezia sarothrae B. Pitzer, Jack Easton 1987-3-10 387 Riverside Anza area, hills S of Thomas Mtn., ca. 3 mi. E of town of Anza on N side of Hwy. 371 1341 Comment
  CLARK-A1528-235  Haplopappus squarrosus subsp. grindelioides C. M. Flanagan 1973-6-13 OO 703 Riverside Morongo Indian Reservation 975 Comment
  UCR228829  Harpagonella palmeri A. C. Sanders 2011-4-26 39328 Riverside Peninsular Range, Alberhill Mountain, south side near Nichols Rd., c. 350 m WNW (276 deg. ) of Nichols Rd. & Pierce St. intersection 395 Comment
  UCR49271  Harpagonella palmeri Steve Boyd 1986-4-22 1767 Riverside Peninsular Range, Temescal Canyon, E side of Indian Wash, south of I-15 Comment
  UCR59754  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3029 Riverside Peninsular Range, Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 488 Comment
  UCR230607  Hedypnois cretica A. C. Sanders, Nathan Moorhatch 2011-3-22 38777 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  RSA525439  Helianthemum scoparium var. scoparium Steve Boyd, Dave Bramlet, Bob Boyd 1990-4-29 4484 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA678926  Helianthemum scoparium var. scoparium Scott D. White, Michael Honer 2003-6-3 9469 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCD132794  Helianthus annuus K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. 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
  UCR58164  Helianthus californicus George K. Helmkamp 1989-10-7 s.n. Riverside Peninsular Range; San Jacinto Mtns, roadside beside Hwy 243 near Lawlor Lodge, c. 2 mi north of Pine Cove 1600 Comment
  UC537152  Helianthus gracilentus M. E. Jones 1934-5-10 Riverside Elsinore Comment
  RSA704847  Heliotropium curassavicum Anonymous 1947-4-5 s.n. Riverside Lake Elsinore. Comment
  UCR174961  Heliotropium curassavicum Teresa Nieto 2005-5-26 52 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR272481  Heliotropium curassavicum Mitch Provance 2013-6-18 613- 27 Riverside San Bernardino Valley, Riverside, Arlington area, S side of Challen Avenue, near intersection with Curran Dr. 238 Comment
  RSA34522  Heliotropium curassavicum var. oculatum N. C. Cooper 1943-1 948 Riverside Hemet. 305 Comment
  UCR108832  Hemizonia fasciculata O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  RSA92594  Hemizonia fasciculata J. C. Roos 1952-5-14 5669 Riverside San Jacinto river bottomlands 1 miles southeast of Perris. 426 Comment
  RSA450491  Hemizonia kelloggii J. C. Roos 1965-6-27 s.n. Riverside Reche Canyon Comment
  UCR137042  Hemizonia kelloggii A. C. Sanders 2004-5-5 27786 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR161254  Hemizonia mohavensis A. C. Sanders, Mike Misenhelter 2005-9-20 31680 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  POM360325  Hemizonia paniculata Clyde Stratton 1943-7-23 s.n. Riverside Riverside Comment
  RSA644391B  Hemizonia paniculata Steve Boyd 1991-5-30 6319 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  UCR189803  Hemizonia pungens subsp. laevis Diane Menuz 2006-5-9 117 Riverside Peninsular Range, Perris Basin, San Jacinto Wildlife Area, across the street from main headquarters and information booth. Growing in E-W swath just north of alkaline flats (~1m from flats) in narrow ditch 432 Comment
  UCR18051  Herniaria cinerea O. F. Clarke 1967-1 s.n. Riverside UCR campus, in botanic garden Comment
  RSA779688  Hesperocallis undulata Duncan S. Bell 2010-4-2 699 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness., Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  JEPS16283  Heterocodon rariflorum H. M. Hall Jun 1901 2205 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  RSA583483  Heterocodon rariflorum Steve Boyd 1995-5-13 8511 Riverside Santa Ana Mountains, west of Onion Hill, southeast of Elsinore Peak area along trail following old Main Divide Road grade. 1006 Comment
  UCR193526  Heterocodon rariflorum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35567 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, slope below May Valley Rd. toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. 1555 Comment
  RSA0075886  Heterotheca grandiflora D. L. Banks, S. D. Boyd 1995-2-16 0045 Riverside [NW Palomar Mountains; Agua Tibia Mountains] Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., on the Dripping Springs Alcove, E of the Woodchuck Trail. 710 Comment
  RSA0075892  Heterotheca grandiflora Scott D. White 1998-6-17 6747 Riverside Gavilan Hills, W Riverside Co.: Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan/Cajalco Rd. jtn. south and east to Santa Rosa Mine/Post Rd. jtn. 500 Comment
  SEINET10842397  Heterotheca villosa var. villosa David B. Dunn 1947-10-9 Dunn 3533 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  CAS-BOT-BC206627  Heuchera hirsutissima Elizabeth McClintock 1965-6-25 119 Riverside Santa Rosa Mountain, a short distance below summit. Comment
  UCR35279  Heuchera hirsutissima L. B. Ziegler 1969-7-4 400 Riverside San Jacinto Mtns., North slope above Black Mtn. Camp and east of Black Mtn 2348 Comment
  UCR260190  Heuchera rubescens Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4990 Riverside San Jacinto Mountains, Strawberry Creek below Strawberry Valley, c. 2.25 air mi southwest of Idyllwild 1540 Comment
  CLARK-A1656-652  Hibiscus denudatus Milton Walker 1978-3-3 Riverside La Quinta 45 Comment
  RSA0021681  Hibiscus denudatus Jim Andre 2013-3-27 24814 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  RSA432781  Hibiscus denudatus Donald Myrick 1968-3-3 1798 Riverside Box Canyon east of Mecca 457 Comment
  UCR41460  Hibiscus denudatus A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6130 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  UCR60775  Hibiscus denudatus Steve Boyd, Orlando Mistretta 1986-3-13 1474 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  JOTR33120  Hilaria rigida La Doux, Tasha, Mike Bell 2003-10-17 1605 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wall Street Mill parking area to Wonderland Wash 1304 Comment
  UCR98430  Hilaria rigida John Wear, N. Moorhatch 1997-3-20 s.n. Riverside San Jacinto Mtns, S of Chino Canyon, at NW end of Palm Springs 350 Comment
  LA28883  Hoffmannseggia microphylla P. J. Remple; 1942-3-2 ** Riverside near Palms to Pines Highway Comment
  UCR231750  Hordeum depressum John F. Green 2008-4-21 03- 03 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and Alabaster Loop, east of the San Jacinto River 457 Comment
  CAS-BOT-BC526876  Hordeum intercedens D. E. Bramlet 1991-4-29 2080 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: 6.5 km W of Hemet & c. 0.4 km W of jct with Florida Ave./Hwy 74 & Warren Rd 457 Comment
  UCR136257  Hordeum marinum A. C. Sanders 2004-4-20 27564 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
  UCR79250  Hordeum marinum subsp. gussoneanum Steve Boyd, T. S. Ross 1992-5-4 7176 A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  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
  RSA644635  Hordeum murinum subsp. leporinum Scott D. White 1993-3-12 1145 Riverside San Jacinto Valley: between aqueduct and Warren Road. 457 Comment
  UCD86471  Hordeum murinum subsp. leporinum Robert F. Thorne; Drs. Fosberg, Sachet, and Herbst 1983-4-23 55420 Riverside San Bernardino Mountains. Mouth of Whitewater Canyon, E of Whitewater Post Office at S end of ridge. In sandy wash E of bridge and on base of W-facing slope of ridge. 411 Comment
  JEPS44527  Horkelia clevelandii W. L. Jepson 1903-8-8 2296 Riverside San Jacinto Mt.,Tauquitz 2286 Comment
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Sep 5 2011
  LA207995  Horkelia clevelandii var. clevelandii W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  UCR174620  Horkelia cuneata Jennifer H. Jones 2006-6-6 389 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 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
  UCR253359  Hulsea vestita subsp. callicarpha Ana Hernandez, John Dvorak 2011-8-4 028 Riverside San Jacinto Mountains, west of Forest Route 4S02.3 (Azalea Trail), 0.5 km south of Dark Canyon Campground 1746 Comment
  UC1494267  Hymenothrix dissecta J. C. Roos 1946-8-27 2923 Riverside Santa Rosa Mtns. 2286 Comment
  SD181473  Hypericum formosum Scott D. White, Sandy Leatherman 2000-5-31 7983 Riverside Santa Ana Mountains/Santa Rosa Plateau, near squaw Mountain, series of unpaved roads on east- and north-facing slopes; Wildomar [quad]. Occasional (patchy) in grassland. 640 Comment
  CAS-BOT-BC219729  Hyptis emoryi L. S. Rose 1927-2-3 s.n. Riverside Palm Springs Comment
  RSA420154  Hyptis emoryi H. M. Hall 1902-04 2784 Riverside Coyote canyon 152 Comment
  RSA420161  Hyptis emoryi D. A. Young 1969-3-28 P- 312 Riverside Palm Springs. 305 Comment
  RSA643262  Hyptis emoryi R. D. Goeden, D. W. Ricker 1971-4-1 s.n. Riverside Sonoran Desert: Chuckwalla Mountains at Granite Well, SW of Desert Center, 0.4 mi. past sign saing ''Edmund C. Jaeger Nature Sanctuary'' in bottom of canyon at old road crossing. 366 Comment
  SD229197  Hyptis emoryi Dick Schwenkmeyer 2012-11-6 857 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UCD124919  Hyptis emoryi Geoffrey Levin 1975-4-5 469 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. 60 Comment
  UCLA61595  Hyptis emoryi C. Epling 1932-11-9 Riverside Murray Canyon Palm Springs (Palm Springs); , Palm Springs Comment
  UCR245920  Hyptis emoryi Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3945 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCR52026  Hyptis emoryi Steve Boyd, S. Meury, , Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2102 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR96199  Hyptis emoryi B. G. Pitzer 1996-11-9 2923 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  UCD126497  Ipomoea triloba T. C. Fuller 1962-10-2 9691 Riverside south of Ave. 60, 0.2 mile east of Jackson St., around 6 miles south of Indio. Comment
  UCR247349  Ipomoea triloba T. C. Fuller 1962-10-2 9691 Riverside Sonoran (Colorado) Desert, Coachella Valley, south side of Ave. 60, 0.2 mi. east of Jackson St., c. 6 miles south of Indio -28 Comment
  CAS-BOT-BC311606  Isocoma acradenia var. eremophila W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon [Canyon] Comment
  JEPS42715  Isomeris arborea W. L. Jepson 1928-4-25 12615 Riverside ne of Mecca (Cottonwood Spr.); Colorado Desert, Cottonwood Spr. 731 Comment
  UC68545  Isomeris arborea H. M. Hall Apr 1905 6005 Riverside Cottonwood Pass; Colorado Desert 609 Comment
  UCR279366  Isomeris arborea A. C. Sanders, Jim Malusa 2017-3-24 42967 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA0035135  Isomeris arborea Lee Haines 1952-4-6 s.n. Riverside Box Canyon, HIghway 195. Comment
  RSA0005612  Ivesia callida H. M. Hall 1901-8-5 2611 Riverside Tahquitz Peak. 2439 Comment
  UCR213858  Juglans californica Scott D. White, Justin M. Wood 2009-5-22 12927 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  CAS-BOT-BC413813  Juglans hindsii R. E. Riefner, Jr. 2014-10-1 14 -364 Riverside City of Lake Elsinore, S of Lincoln St., W of Hwy. 74 at Flannery St. 402 Comment
  UCR216053  Juglans hindsii R. E. Riefner Jr. 2009-8-15 09- 174 Riverside Temecula, Temecula Canyon, Santa Margarita River, c. 1.5 mi. west of I-15 Fwy 298 Comment
  UCR229277  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 125 Comment
  SBBG57379  Juncus R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 1828 Comment
  POM1559  Juncus acutus subsp. leopoldii I. M. Johnston 1917-4-4 s.n. Riverside Colorado Desert. Palm Canyon. 244 Comment
  UC111320  Juncus acutus subsp. leopoldii S. B. Parish 1907-4-22 6149 Riverside w edge Colorado Desert 200 Comment
  UC2030094  Juncus bufonius Scott D. White 2000-8-5 8109 Riverside SAN JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). Comment
  UC842319  Juncus bufonius P. A. Munz 1922-4-29 5063 Riverside 0.5 mi s Lake Elsinore Comment
  UCR110929  Juncus bufonius var. congestus A. C. Sanders, K. C. Rose 1999-6-18 22827 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  RSA609508  Juncus bufonius var. occidentalis L. C. Wheeler 1974-6-8 s.n. Riverside San Jacinto Mountains: 1/4 mile NW Toolbox Spring, Thomas Mountain. 1828 Comment
  POM14184  Juncus mexicanus Phillip A. Munz 1922-5-18 5324 Riverside 3 miles south of Glen Ivy [now Glen Ivy Hot Springs]. Comment
  UCR95422  Juncus oxymeris C. W. Tilforth, W. Wisura 1981-7-10 2114 Riverside Stanley Road, S leg of Red Mtn loop, east of Hwy R3, south of Hemet Comment
  POM184650  Juncus rugulosus L. C. Wheeler 1931-10-3 188 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  RSA526136  Juncus tiehmii Steve Boyd, Timothy S. Ross 1990-5-11 4649 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  SEINET6174518  Juncus tiehmii B. Ertter, J. L. Strachan 1979-6-26 2971 a Riverside Kenworthy Ranger Station, on Route 74 in Garner Valley, San Jacinto Mts. 760 Comment
  CAS-BOT-BC85412  Juniperus californica C. L. Hitchcock 1940-4-3 5933 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  CLARK-A1528-2669  Juniperus californica John C. Roos 1952-4-16 5541 Riverside Box Springs 457 Comment
  RSA297031  Juniperus californica John F. Emmel 1974-3-3 473 Riverside Canyon 0.5 air mile E. & ENE of peak 4416 on 1956 USGS topographic quad., N. end Coxcomb Mts. 1219 Comment
  RSA600555  Juniperus californica L. C. Wheeler 1958-10-16 7527 Riverside Riverside: Along highway, 2 miles east of Citrus Experimental Station. Comment
  RSA651022  Juniperus californica Harold Lint 1958-5-25 2044 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  UCSB213  Juniperus californica Philbrick, Ralph 1953-6-10 Riverside Joshua Tree National Monument Comment
  CAS-BOT-BC234582  Justicia californica 1940-4-6 5972 Riverside 3 mi. below Cottonwood Springs Comment
  RSA402304  Justicia californica Christopher Davidson 1973-4-1 1846 Riverside Palm Springs. 488 Comment
  SEINET10437490 Image available Justicia californica James Henrickson 1969-11-8 4372 Riverside 5 air miles S of Palm Desert near top of Seven Level Hill at scenic stop area 671 Comment
  SJSU127  Justicia californica C. D. Duncan 1933-3-25 Riverside between Mecca & Shavers Well Comment
  UCR188198  Kalanchoe tubiflora A. C. Sanders 2007-1-12 33276 Riverside Riverside; UCR campus, weed in UCR Botanical Garden cactus garden 351 Comment
  RSA0027476  Kallstroemia californica Deidre Conocchioli, April Garbat 2013-9-5 40 Riverside Sonoran Basin and Range- Chuckwalla Valley. From Blythe, head west on I-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross over interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of rd, near intersection of Graham Pass Rd. 120 Comment
  UCR245986  Kallstroemia californica Duncan S. Bell 2012-9-13 4191 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  UCR251725  Kallstroemia californica Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 55 Riverside Sonoran (Colorado) Desert, 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 I-10 exit ramp 334 Comment
  POM44746  Keckiella antirrhinoides Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA401734  Keckiella antirrhinoides N. C. Cooper 1947-4-5 2024 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA597081  Keckiella cordifolia D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1119 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, SW side of the Water Storage tank., 100 m N of the road junction between the main Preserve Road and the road to the Emerson Cottage. 457 Comment
  RSA400463  Keckiella rothrockii subsp. jacintensis M. B. Dunkle 1933-7-19 3686 Riverside Tahquitz Ridge. 2561 Comment
  RSA560845  Koeleria macrantha Steve Boyd, Timothy S. Ross 1992-5-4 7177 -B Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR2487  Koeleria macrantha F. M. Reed 1928-7-10 5989 Riverside San Jacinto Mtns, Strawberry Creek at Camp Emerson, Idyllwild 1524 Comment
  RSA0104243  Kopsiopsis strobilacea A. Hood 1945-6-1 p 954 Riverside San Jacinto Mountain. 2895 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
  JOTR37457  Krameria erecta Hodges, Stephen, T. Green 2016-5-24 579 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
  LA45697  Krameria erecta J. A. Ewan; 1931-4-4 4141 Riverside McCoy Mountains Comment
  RSA124442  Krameria erecta Percy C. Everett, E. K. Balls 1958-4-29 23030 Riverside 21.9 miles SW of Rice, along road from Desert Center to Vidal jct 549 Comment
  RSA408610  Krameria grayi Ora M. Clark 1929-3-17 1751 Riverside S. La Quinta, Cali. Comment
  UC1108982  Lamarckia aurea H. E. and S. T. Parks March, 1947 Riverside Santa Rosa Canyon near Indio; Santa Rosa Canyon Comment
  POM352657  Lamarckia aurea N. C. Cooper 1947-4-5 2108 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  POM259715  Langloisia setosissima subsp. punctata P. A. Munz 1940-3-23 15671 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs 610 Comment
  CLARK-A1528-4434  Larrea tridentata John C. Roos 1947-2-1 3218 Riverside Coachella Valley Comment
  LA209863  Larrea tridentata A. M. Johnson; 1933-4-28 4223 Riverside flat below Palm Springs along hwy over mountains to Hemet Comment
  RSA0042206  Larrea tridentata Joseph Brehm 2014-7-21 s.n. Riverside Collected at Dos Palmas ACEC, on Dos Palmas Road, next to visitor parking lot. Comment
  UC1329965  Larrea tridentata James E. Cole 1941-5-10 700 Riverside Pinto Basin Joshua Tree National Monument (Cholla Patch) 640 Comment
  VVC520  Larrea tridentata P. J. MacKay 1975-4-26 s.n. Riverside Peninsular Range, Palm to Pines Hwy, Hwy 74 970 Comment
  RSA387370  Lastarriaea coriacea Steve Boyd 1986-4-19 1697 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UC30436  Lasthenia californica E. L. Koethen 1897-4-1 17 Riverside plains, Riverside Riverside Comment
  SD51808  Lasthenia coronaria Rimo Bacigalupi, Gene Newcomb 1954-4-25 4399 Riverside Along State Highway 79, close to summit of St. Johns grade; ca.3/4 mile south of Sage. 730 Comment
  UCR101839  Lasthenia coronaria B. G. Pitzer 1997-4-1 3061 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR95776  Lasthenia coronaria C. B. Wolf 1935-4-7 06306 Riverside Gavilan Hills, 2 mi. SW of Perris 427 Comment
  RSA0008494  Lasthenia glabrata subsp. coulteri F. W. Peirson 1922-4-29 2956 Riverside South of Lake Elsinore. 381 Comment
  RSA550493  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-3 2213 Riverside Southwest portion of the San Jacinto Woildlife area. the site is located some 762m northeast of Lakeview and approximately 76m east of Davis Rpad and 30m north of Marvin Road. 132 Comment
  RSA0013707  Lasthenia gracilis LeRoy Gross, Grace Cho 2013-4-9 6003 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA160876  Lasthenia gracilis P. C. Everett, Nick Lolonis 1962-4-13 24450 Riverside Temescal Canyon, intersection Hwy 71 and road to Lake Matthews Comment
  RSA586494  Lasthenia gracilis D. L. Banks, S. D. Boyd 1995-5-9 0325 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  RSA728143  Lasthenia gracilis Daphne K. Christopher, Hannah Stevens, Zach Princip 2003-4-7 113 Riverside Santa Rosa Plateu Nature Conservancy Preserve. Tenaja Truck Road. 610 Comment
  UCR103175  Lasthenia gracilis Scott D. White, J. Greene 1997-3-12 4774 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  RSA736550  Lathyrus laetiflorus Scott D. White, Angelia Carey 2004-7-2 10583 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA180276  Lathyrus vestitus subsp. alefeldii E. W. Lathrop 1965-4-4 5627 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  POM29611  Lathyrus vestitus subsp. laetiflorus Charlotte M. Wilder 1904-05 s.n. Riverside Declez Pass [West end Jurupa Mts.] Comment
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Nov 6 2011
  SBBG89554  Lathyrus vestitus var. vestitus J. Adams 1966-4-28 728 Riverside Santa Rosa Plateau, dirt rd from Murrieta to De Luz 762 Comment
  CLARK-A1528-4855  Layia glandulosa John C. Roos 1937-4-18 1374 Riverside Cabazon Comment
  CAS-BOT-BC379667  Layia platyglossa Steve Boyd 1986-4-22 1764 Riverside Temescal Canyon: Terrace escarpment W side of Indian Wash, S of I-15 Comment
  CAS-BOT-BC379673  Layia platyglossa H. M. Hall 1899-5-1 s.n. Riverside San Jacinto Mountains, Southern California; Johnsons 1676 Comment
  SEINET6692562 Image available Layia platyglossa Norman C. Cooper 1944-4-22 1160 Riverside Banning. 732 Comment
  UC1540425  Layia platyglossa Charles B. Fiker 1946-4-8 3365 Riverside at Temecula Comment
  UCR241006  Layia platyglossa Tracy Tennant 1998-4-7 236 Riverside Peninsular Range/Perris-Aguanga Basin Region, Mariette Rd. at Grouse Court, 2.25 mi. NE of Vail Lake Dam 582 Comment
  UCR266478  Layia platyglossa Mitch Provance, Matt Amalong 2015-3-25 315- 38 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  UCR34927  Layia platyglossa L. B. Ziegler 1968-4-20 277 Riverside Peninsular Range; San Jacinto Mtns., Hemet Valley 1402 Comment
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Jan 7 2013
  RSA570692  Lemna minor Steve Boyd, J. Travis Columbus 1993-10-23 8198 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  SD117843  Lemna minor Wayne P. Armstrong 1985-6-29 1240 Riverside Creek at northeast end of Fulmor Lake, on Highway R 1, northwest of Idyllwild. 1524 Comment
  CLARK-A1528-5691  Lepechinia cardiophylla John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  UCR151368  Lepidium dictyotum Steve Boyd 2001-4-12 10410 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  JOTR31807  Lepidium fremontii La Doux, Tasha, Bill Truesdell 2007-11-9 2515 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (Stop 2) 601 Comment
  SDSU18644  Lepidium fremontii var. fremontii Michael G. Simpson, Kristen Hasenstab 2008-4-1 2942 Riverside Joshua Tree National Park, east side of Mastodon Peak, ca. 0.65 mile east-southeast of Cottonwood Spring. 1027 Comment
  CAS-BOT-BC89667  Lepidium lasiocarpum subsp. lasiocarpum John Thomas Howell 1928-3-25 3540 Riverside Colorado Desert. Painted Canyon. Comment
  UC809724  Lepidium lasiocarpum var. lasiocarpum Philip A. Munz 1949-4-13 13061 Riverside above Cottonwood Springs (w end of Eagle Mts.); Colorado Desert, Eagle Mts. 1143 Comment
  UCR233160A  Lepidium lasiocarpum var. lasiocarpum Jim Andre, Glenn L. Clifton 2011-2-22 17451 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  CAS-BOT-BC257783  Lepidium latipes A. C. Sanders; T. B. Salvato 2011-4-4 38971 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
  CAS-BOT-BC89852  Lepidium nitidum Robert F. Thorne; Earl W. Lathrop 1969-5-12 37947 Riverside Santa Rosa Plateau. Mesa de Colorado, Rancho California. 624 Comment
  RSA543302  Lepidium nitidum Steve Boyd 1991-3-17 5508 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA429923  Lepidium nitidum var. nitidum Christopher Davidson 1973-4-1 1816 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  UCR80815  Lepidium virginicum var. pubescens Scott D. White 1993-5-29 1482 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  RSA613648  Lepidium virginicum var. robinsonii D. L. Banks, Victor Steinmann 1997-3-13 1471 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
  UCR181624  Lepidium virginicum var. robinsonii Mitch Provance 2004-5-1 7603 Riverside Granitic Knolls of Riverside, Riverside, W side of Versity Hill (Coyote Hill), south side of the UCR campus 396 Comment
  RSA773650  Lepidium virginicum var. virginicum Duncan S. Bell, Colleen Wheeler 2010-7-19 1633 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1383 Comment
  RSA189412  Lepidospartum squamatum L. S. Rose 1966-12-14 66103 Riverside Whitewater Wash, N of Palm Springs. 198 Comment
  UCR59699  Leptochloa filiformis George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, S of Ripley at 32nd Street and Rannells Blvd 75 Comment
  POM313212  Leptochloa panicea subsp. mucronata Malcolm A. Nobs, S. Galen Smith 1948-9-3 489 Riverside Palm Springs. Comment
  UC219567  Leptodactylon pungens P. A. Munz 1922-6-27 5874 Riverside Toro Peak; Santa Rosa Mts., Toro Peak 2286 Comment
  RSA282787  Leptosiphon lemmonii C. W. Tilforth, B. Busenberg 1980-10-6 1989 Riverside Small moist wash 3.8 miles in from Highway 74 along Thomas Mtn. Road, south of Hemet. Comment
  RSA73057  Leptosiphon lemmonii F. W. Peirson 1938-5-30 12414 Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  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
  SD146193  Leptosiphon liniflorus A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22296 Riverside Anza area; Cahuilla Valley, 5.5 miles west of Bautista Rd. on Highway 371. 1052 Comment
  SD5326  Lessingia glandulifera var. glandulifera L. W. Nuttall Aug 1931 Riverside Idyllwild, Mt. San Jacinto. 1525 Comment
  UC1287416  Lessingia glandulifera var. glandulifera Willard Spence 1962-6-24 682 Riverside 7.8 mi e of Temecula and route 395; Radec Comment
  RSA715090  Leymus 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
  SEINET239046 Image available Leymus condensatus Mitch Provance 1998-6-6 687 B Riverside Jurupa Mountains: Jensen Quarry Sunnyside area on W side of Sierra Blvd just E of corner of 29th St. and Scenic Drive. 305 Comment
  UC38169  Leymus condensatus H. M. Hall May 1899 1218 Riverside Smith Mt. San Jacinto Mountains Comment
  CDA5383  Ligustrum lucidum A. C. Sanders 2000-12-16 23728 Riverside San Bernardino Valley; City of Riverside; UCR campus, along Big Springs Rd. just east of Campus Dr. Comment
  CAS-BOT-BC451637  Lilaea scilloides Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37422 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  RSA368915  Lilaea scilloides S. B. Parish 1890-03 s.n. Riverside Near Colton. Comment
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Sep 24 2016
  SEINET3887043  Lilaea scilloides Robert F. Thorne 1974-5-23 44658 Riverside Santa Rosa Plateau, Rancho California: near junction of Tenaja Road and road to ranch head-quarters.; 0 610 Comment
  SD248471  Limonium sinuatum A. C> Sanders 2014-4-23 41057 Riverside Peninsular Range: Temescal Valley at intersection of Concordia Ranch Road and Temescal Canyon Road, naer I-15 (Alberhill 7.5'Q) 363 Comment
  LA206680  Linanthus californicus W. Pequegnat; April 1937 65 Riverside Santa Ana Mountains, Glen Ivy, 8 mi. S of Corona Comment
  POM128362  Linanthus californicus Thos. Craig 1927-4-23 207 Riverside Glen Ivy. Comment
  RSA783373  Linanthus ciliatus J. D. Olmsted 1959-6-23 664 Riverside M. fk. San Jacinto River. Desert Sun School near Idyllwild 1646 Comment
  CLARK-A1045-63  Linanthus dianthiflorus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  RSA0113512  Linanthus dianthiflorus Lyman Benson 1945-6-29 11617 Riverside San Gorgonio Pass, 5 miles east of Banning. 609 Comment
  POM6699  Linanthus dianthiflorus subsp. dianthiflorus P. A. Munz, L. T. Street 1919-3-28 2378 Riverside San Gorgonio Pass, near Banning 701 Comment
  POM73995  Linanthus dianthiflorus subsp. dianthiflorus Marcus E. Jones 1903-5-11 10278 Riverside Whitewater. 305 Comment
  POM13323  Linanthus jonesii E. C. Jaeger 1921-04 1087 Riverside Chuckwalla Valley. Comment
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Nov 26 2016
  UC880049  Linanthus lemmonii P. A. Munz and I. M. Johnston 1922-5-20 5477 Riverside Kenworthy San Jacinto Mts. 1463 Comment
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Mar 25 2011
  UCR220141  Linanthus lemmonii D. E. Bramlet 1990-4-27 1984 B Riverside Peninsular Range, Ridgeline 2100-2500 ft. (c. 0.4 mi.) NE of knoll '2502,' and 1200-1500 ft. (~ 0.21 mi.) west of Rawson Canyon 671 Comment
  POM13882  Linum lewisii E. C. Jaeger 1921-7-1 1179 Riverside Idyllwild, San Jacinto Mountains. Comment
  SBBG67529  Linum lewisii var. lewisii Mr.and Mrs. L. C. Ackley 1918-1 491 Riverside San Jacinto Mtns 1219 Comment
  RSA0045289  Lobularia maritima Margaret Murphy 1983-4-15 0011 -A 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
  UC1714468  Loeseliastrum schottii E. E. Schellenger 1906-4-3 14 Riverside Colorado Desert, Santa <Marie> Mts. Comment
  UC68769  Loeseliastrum schottii H. M. Hall Apr., 1905 5800 Riverside 10 mi. w. Coachella; Colorado Desert 91 Comment
  UCSB28361  Loeseliastrum schottii Dietz, Eileen 1974-3-23 Riverside 3 meters east of 3 Hwy. 111; 300 meters northwest of intersection with Hwy. 74; in Palm Desert 60 Comment
  UC1537024  Logfia filaginoides Gordon H. True Jr. 1935-4-10 224 Riverside Box Springs Box Springs Canyon, Box Springs 365 Comment
  RSA736304  Lolium rigidum Scott D. White, Justin M. Wood 2008-5-13 11951 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  POM14441  Lolium temulentum P. A. Munz, Johnston 1922-5-19 5383 Riverside 8 miles NE of Murietta. 412 Comment
  UCR1607  Lomatium lucidum R. G. Barber, David L. Davis 1962-5-13 111 Riverside Santa Ana Mtns., l mi. up Ivy St. from center of Murrieta 396 Comment
  UC874770  Lomatium mohavense Lee Haines 1937-4-11 Riverside Keys View Little San Bernardino Mountains Comment
  CLARK-A1045-187  Lomatium utriculatum George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains end of road; Wildomar 7.5'Q Comment
  UCR262272  Lonicera subspicata A. C. Sanders 2006-5-13 32292 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA645617  Lotus argophyllus Scott D. White 1994-4-21 1994 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  RSA113275  Lotus argophyllus var. argophyllus E. K. Balls 1955-4-1 20413 Riverside Hwy 74, 3 miles NE of Pinyon Flats. Alt 915 Comment
  UCR12567  Lotus corniculatus Bill Schultz 1972-5-22 720522- 27 Riverside Peninsular Range, 100 yards north of horse corrals at Rancho California, 25 yards east of Highway 395 305 Comment
  POM48896  Lotus grandiflorus var. grandiflorus P. A. Munz, I. M. Johnston 1924-7-27 8747 Riverside Dark canyon 1982 Comment
  RSA406139  Lotus grandiflorus var. grandiflorus N. C. Cooper 1944-5-21 1250 Riverside San Jacinto Mtns. West Side. 1220 Comment
  RSA0123703  Lotus haydonii Duncan S. Bell, Thomas Stoughton 2016-4-12 9237 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.75 air miles northwest of Rabbit Peak. 698 Comment
  POM47796  Lotus heermannii Mary F. Spencer 1918-4-4 744 Riverside Palm Springs. Comment
  RSA680834  Lotus heermannii var. heermannii Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8665 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
  UCR185173  Lotus nevadensis Naomi Fraga, Et al. 2006-7-11 1713 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  UCR242666  Lotus nevadensis A. C. Sanders 2013-7-6 40856 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  RSA406201  Lotus nevadensis var. nevadensis M. B. Dunkle 1933-7-19 3670 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  POM19607  Lotus oblongifolius Mary F. Spencer 1923-07 2196 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  UCR202591  Lotus oblongifolius Scott D. White, Justin M. Wood 2008-7-8 12371 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  UCR274305  Lotus purshianus T. B. Salvato, Melissa Clemons 2005-6-6 1425 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UCR89768  Lotus purshianus Scott D. White 1993-5-27 1425 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  JEPS29485  Lotus rigidus Lauramay T. Dempster 1962-4-18 1897 Riverside Palms-to-Pines Highway Pinyon Flats 1066 Comment
  RSA659785  Lotus salsuginosus J. C. Roos, L. Roos 1952-5-19 5694 Riverside On hills north of Moreno. Comment
  RSA406828  Lotus salsuginosus var. brevivexillus Christopher Davidson 1979-4-4 7699 Riverside Orocopia Mts., lower end of Box Canyon on Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  CSUSB1260  Lotus scoparius Randy Salstrom 1966-4-12 Riverside Bottom of canyon, 100 yards from east end of Blaine Street in Box Springs Mountains in Riverside. 277 Comment
  RSA660555  Lotus scoparius Lydia Paneri 1982-4-17 15 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA319651  Lotus scoparius var. scoparius Patricia Wilder 1971-5-13 4945 Riverside Prado Flood control Basin; along bank at east end of top of Prado Dam. 213 Comment
  RSA498847  Lotus scoparius var. scoparius G. R. Johnstone 1934-3-27 18576 Riverside Near Wildomar. Inland route to Temecula. 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
  CSUSB1244  Lotus strigosus K. S. Gill 1965-4-17 Riverside South side of Highway 60, one mile west of Beaumont. 457 Comment
  RSA519267  Lotus strigosus Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  RSA702212  Lotus strigosus Scott D. White, Michael Honer 2004-3-11 9901 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  RSA775268  Lotus strigosus Duncan S. Bell 2011-4-8 2203 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UC864905  Lotus strigosus Lewis S. Rose 1937-4-9 37088 Riverside Banning 706 Comment
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Mar 13 2011
  UCR155039  Lotus strigosus A. C. Sanders, Kelly Volansky 2005-3-17 29221 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  JOTR01080  Lotus strigosus Cole, James E. 1941-5-4 693 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1310 Comment
  RSA779021  Lotus strigosus var. strigosus Duncan S. Bell 2010-4-1 653 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  UCR167216  Lotus strigosus var. tomentellus S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCR244434  Lotus strigosus var. tomentellus Jim Andre 2012-4-16 20929 Riverside Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center 956 Comment
  RSA719267  Lotus strigosus var. tomentellus Michael Honer, L. Hulse 2004-4-3 1900 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of ONeal Canyon. 610 Comment
  RSA406377  Lotus tomentellus M. B. Dunkle 1933-5-6 3447 Riverside Painted Canyon. Comment
  CLARK-A1656-749  Lupinus agardhianus Theo Glenn 1979-4-8 Riverside Snow Creek Comment
  RSA674574  Lupinus albifrons var. albifrons Scott D. White 2000-5-3 7761 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  SEINET10488451  Lupinus andersonii David B. Dunn 1946-8-17 Dunn 2704 Riverside Trail to taquity from taquity village campground. In dry soil under pines among bracken ferns. 2545 Comment
  POM349963  Lupinus arizonicus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA457758  Lupinus arizonicus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2117 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SD187405  Lupinus arizonicus Naomi Fraga, Lisa Rojas 2005-2-10 1371 Riverside Colorado Desert: Northeastern Colorado Desert region: Just north of Palen Pass Road, ca. 10 miles east of Hwy 177 365 Comment
  UCR213387  Lupinus arizonicus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37446 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  RSA556436  Lupinus bicolor Julie Greene 1993-4-17 1192 Riverside San Jacinto Wildlife Area. Flat area west of Davis Rd. 445 Comment
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Dec 11 2008
  UC1930015  Lupinus bicolor Scott D. White, Justin Wood 2008-5-15 11999 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  CLARK-A1528-1162  Lupinus bicolor subsp. microphyllus Cameron Duncan 1966-3-13 Riverside Riverside 548 Comment
  SD152853  Lupinus concinnus Steve Boyd, Orlando Mistretta 1992-4-23 7054 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside County line. 244 Comment
  RSA619246  Lupinus concinnus subsp. orcuttii R. S. Woglum 1937-5-22 565 A Riverside Santa Rosa Mountains. Comment
  POM229043  Lupinus excubitus var. austromontanus Philip A. Munz 1937-5-30 15140 Riverside Santa Rosa Peak. 2409 Comment
  JOTR33934  Lupinus excubitus var. excubitus La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2824 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
  RSA797258  Lupinus formosus Robert F. Thorne, Walter Wisura 1977-9-17 50796 Riverside San Jacinto Mountain: slopes of peak 3171 Comment
  RSA314673  Lupinus hirsutissimus Robert F. Thorne 1983-4-23 55498 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  UCR100087  Lupinus hirsutissimus R. G. Swinney 1967-3-5 56 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  RSA91190  Lupinus hyacinthinus F. W. Peirson 1938-5-30 12412 Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  CLARK-A1045-333  Lupinus longifolius George K. Helmkamp 1978-5-2 Riverside Bautista Canyon along Bautista Road; Hemet 15'Q Comment
  RSA413759  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR16238  Lupinus microcarpus var. densiflorus Heidi A. Haid 1964-5-10 64510- 4 Riverside San Jacinto Valley / Mtns, c. 6 mi. east of Hemet on Hwy 74 549 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
  JOTR30920  Lupinus sparsiflorus La Doux, Tasha, Bill Truesdell 2008-4-29 2596 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 8) 1219 Comment
  RSA0065646  Lupinus sparsiflorus Cheryl Sevilla, Sarah J. De Groot 2015-3-18 40 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; off the Pacific Crest Trail about 2.2 air miles north of the Whitewater Preserve Ranger Station; on the hillside east of the Whitewater River drainage. 885 Comment
  RSA776231  Lupinus sparsiflorus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 873 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  SDSU13998  Lupinus sparsiflorus Michael G. Simpson, Adrienne Russell 2000-4-29 2074 Riverside Rocky ridge, ca. 100-150 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UCR133960  Lupinus sparsiflorus Mitch Provance, J. S. Ross 1998-3-27 MOR- 980 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  SEINET12154750  Lupinus sparsiflorus Unknown 1936-1 12819 Riverside San Jacinta Mts, S of Palm Springs Comment
  RSA339345  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54103 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  UCR128920  Lupinus truncatus A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23901 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
  UCR166173  Lupinus truncatus John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UC218100  Lycium andersonii P. A. Munz, D. Keck 1922-4-9 4811 Riverside s base Eagle Mtns.; Colorado Desert 182 Comment
  UCR175184  Lycium andersonii Jim Andre 2006-4-26 6780 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  RSA463719  Lycium brevipes A. C. Sanders 1985-12-22 5961 Riverside Coachella Valley, bouldery slope at old Indian fish traps, E eand of Ave. 66 at Jackson St. Comment
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Sep 10 2011
  JOTR35221  Lycium fremontii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3645 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash (Stop 7) Comment
  UC884609  Lycium torreyi P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4850 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 426 Comment
  UCR59227  Lythrum californicum Ed LaRue 1989-5-9 s.n. Riverside Peninsular Range, N side of Temescal Wash, north of frontage road along Hwy 71, c. 1/2 mi (airline) NW of Alberhill 396 Comment
  CSUSB1940  Lythrum hyssopifolia Deborah Sullivan 1973-7-9 Riverside Glen Avon, Riverside. 243 Comment
  UCR159201  Lythrum hyssopifolia A. C. Sanders, Kelly Volansky 2005-8-31 31567 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  CAS-BOT-BC206267  Malacothamnus fasciculatus Peter H. Raven; Sidney R. Snow 1956-6-30 9526 Riverside Flats 2.5 miles from Alberthill Road to Elsinore Comment
  SBBG4653  Malacothamnus fasciculatus var. fasciculatus H. and M. Dearing 1937-11-28 2815 Riverside S side of Santa Rosa Mtn above Ribbonwood Comment
  RSA501062  Malacothrix clevelandii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3179 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  HSC49179  Malacothrix glabrata D. L. Goforth 1979-4-11 104 Riverside 1 km N of junction of Hwy. 10 and S entrance road to Joshua Tree National Monument 518 Comment
  POM14298  Malacothrix glabrata P. A. Munz, D. D. Keck 1922-4-9 4817 Riverside Southern base of Eagle Mountains, 3 miles northeast of the 'Hayfields' 213 Comment
  RSA777726  Malacothrix glabrata J. Andre, Glenn L. Clifton 2011-2-22 17429 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  UCR104019  Malacothrix glabrata George K. Helmkamp 1998-4-4 3140 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR94256  Malacothrix glabrata Scott D. White 1996-4-14 3897 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA388411  Malosma laurina R. F. Thorne, Steve D. Boyd, Earl Lathrop 1985-7-18 61208 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR23603  Malvella leprosa John C. Roos 1952-6-18 5776 Riverside Perris-Aguanga Basin region, 1 mi SE of Perris 427 Comment
  HSC7011  Marah macrocarpa C. L. Hitchcock 1966-3-15 24145 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  RSA518038  Marina parryi Steve D. Boyd, Orlando Mistretta 1986-3-13 1425 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  RSA776949  Marina parryi Amber Swanson 2011-3-19 242 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  RSA199004  Marsilea vestita R. F. Thorne, E. Lathrop, P. A. Munz 1968-5-8 37566 Riverside Santa Rosa Plateau: Shallow water of vernal marsh on Mesa de Colorado, Rancho California 671 Comment
  RSA381086  Marsilea vestita R. F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61175 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA85835  Marsilea vestita F. W. Peirson 1930-5-10 8768 Riverside along the boulevard opposite March Field, south of Riverside 457 Comment
  RSA0029103  Matelea parvifolia John F. Emmel 1989-3-31 1119 Riverside Chuckwalla Valley south of Eagle Mts: on pipeline road 1.4 road mi east of Hayfield Road. 427 Comment
  RSA741103  Matricaria matricarioides Scott D. White, Justin M. Wood 2008-6-5 12084 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCR16898  Matricaria matricarioides J. N. Bullock 1970-5-16 P 25 Riverside Peninsular Range, On the E shoulder of California State Hwy 71 (the surface street) 0.2 m north of the Dawson Canyon turn off 268 Comment
  RSA770930  Melica frutescens Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4748 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 W116.65124 604 Comment
  JOTR35131  Melica imperfecta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3243 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  POM114752  Melica imperfecta Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UC618994  Melica imperfecta A. Lewis 1934-3-1 325 Riverside Bedford Canyon; Cleveland National Forest, Corona Quad. 762 Comment
  UCR127334  Melica imperfecta A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25843 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR163584  Melica imperfecta Tracy Tennant 1998-5-27 s.n. Riverside Beaumont Badlands, Dellamont Peak, c. 3.5 miles ESE of Gilman Hot Springs 1159 Comment
  UCR214272  Melica imperfecta A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37742 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  RSA736541  Melilotus indicus Scott D. White 2004-4-26 10262 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UCR110962  Melilotus indicus George K. Helmkamp 1998-6-27 4090 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR201628  Melilotus indicus Scott D. White, Justin M. Wood 2008-6-16 12112 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  RSA701360  Melilotus indicus Steve Boyd, Aydee Virgen 2004-4-13 10878 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA674967  Melinis repens Scott D. White, Teresa Salvato 2001-6-8 8579 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR279589  Mentzelia A. C. Sanders, Jim Malusa 2017-3-28 43150 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  RSA440355  Mentzelia affinis Robert Gustafson 1978-3-21 845 Riverside Joshua Tree National Monument, about 3 miles north on the road leading through the park and Hwy 70. 640 Comment
  UC64493  Mentzelia affinis H. M. Hall 1897-3-10 Riverside San Jacinto Lake Comment
  UC872424  Mentzelia albicaulis Ira L. Wiggins 1937-3-9 8761 Riverside 5 m w Shaver's Well Comment
  RSA0014939  Mentzelia dispersa LeRoy Gross, Evan Meyer 2013-5-21 6120 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  JEPS89048  Mentzelia involucrata Marjorie D. Clary 1932-4-12 1596 Riverside 8 mi sw Coachella; Colorado Desert, Coral Reef Canyon Comment
  RSA440425  Mentzelia involucrata Robert L. Dressler 1949-3-19 402 Riverside Box Canyon, Orocopia Mts. Comment
  RSA771947  Mentzelia involucrata Robert F. Thorne, C. W. Tilforth 1973-5-30 43583 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
  UCR74382  Mentzelia involucrata Theo Glenn 1991-5-2 91- 29 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UCSB44891  Mentzelia involucrata Collins, Elizabeth 1977-3-30 Riverside Corn Springs campground, 8 miles south of Hwy. 10 457 Comment
  RSA48411  Mentzelia involucrata var. megalantha E. K. Balls 1949-4-2 12896 Riverside Between Mecca and Mortmar on Hwy 111 -61 Comment
  SD114170  Mentzelia laevicaulis Darley F. Howe 1947-6-20 1650 Riverside Near Beaumont. Comment
  RSA402616  Mesembryanthemum crystallinum Elizabeth A. White 1928-04 s.n. Riverside Colorado desert near Mecca. Comment
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Jun 5 2011
  RSA543774  Microseris douglasii subsp. platycarpha Steve Boyd 1991-5-7 6174 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UCR102881  Microseris heterocarpa A. C. Sanders 1997-3-26 20127 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR180587  Microseris lindleyi Scott D. White, Angelia Carey 2004-4-5 9997 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR41356  Microseris lindleyi N. M. Fellows, A. C. Sanders 1985-4-9 130 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  OBI8385  Mimulus aurantiacus var. pubescens David J. Keil, Malcolm Mcleod 1977-3-26 12024 Riverside 0.7 mi W of jctn with Riverside Co. rd R-3 (to Hemet) along Calif Rte 79 549 Comment
  RSA0030784  Mimulus aurantiacus var. pubescens N. C. Cooper 1944-7-15 1554 Riverside Palms to Pine Hwy 1463 Comment
  UC527581  Mimulus aurantiacus var. pubescens Carl B. Wolf 1931-5-11 1960 Riverside above Hemet Valley (near Pipe Creek); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  RSA114665  Mimulus aurantiacus var. puniceus Verne Grant 1955-6-1 9608 Riverside Ortega Summit of Santa Ana Mts. Chaparral, recently burned. 811 Comment
  RSA82107  Mimulus aurantiacus var. puniceus F. W. Peirson 1925-5-20 6014 Riverside 1 mile northwest of Dripping Spring, east of Temecula. 457 Comment
  UCR116704  Mimulus aurantiacus var. puniceus Dan Hare 2001-5-1 s.n. Riverside Santa Ana Mtns. region, Cleveland National Forest near Upper San Juan Campground, off the Ortega Highway near the confluence of Morrell and Decker Canyons 579 Comment
  UCR235220  Mimulus aurantiacus var. puniceus A. C. Sanders, John F. Green 2012-6-1 40239 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  SEINET7881834 Image available Mimulus bigelovii Helen K. Sharsmith 1952-1 4061 Riverside Lost Palms Cyn Eagle Mts ca 2 mi from Shaver Summit 671 Comment
  JEPS8177  Mimulus bigelovii var. bigelovii Dr. L. M. Newlon 1922-4-4 452 Riverside near Palm Springs; Palm Canyon Comment
  UCR26963  Mimulus clevelandii E. W. Lathrop 1966-5-29 6390 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 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
  RSA652819  Mimulus fremontii Colleen Callan 1992-5-2 14 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  UC56259  Mimulus guttatus H. M. Hall 1902-4-23 2957 Riverside vicinity Riverside; Santa Ana River 228 Comment
  UCR240618  Mimulus guttatus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 39 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 Comment
  SEINET10929299  Mimulus guttatus David B. Dunn 1946-8-17 Dunn 2683 Riverside Stream edge. Near stream at camp in taquitz valley damp meadow area. San jacinto Mts. Comment
  UC489084  Mimulus inodorus C. V. Meyer 1928-7-26 524 Riverside 1/2 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  POM10954  Mimulus latidens P. A. Munz, I. M. Johnston 1922-5-19 5378 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  JOTR34166  Mimulus parishii Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 123 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  JEPS9853  Mimulus pilosus Carl V. Meyer 1928-7-26 525 Riverside Hannah's Sawmill San Jacinto Mountains (1/2 mi e of Dutch Flat) Comment
  UCR275350  Mimulus pilosus T. B. Salvato, Melissa Clemons 2005-6-9 1493 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  SEINET6627584  Mirabilis laevis Scott D. White 2001-4-3 8227 Riverside Sonoran (Colorado) Desert; Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 396 Comment
  UCR176753  Mirabilis laevis Jennie Phui 1998-5-30 041 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
  NY199128  Mirabilis laevis var. crassifolia D. K. Christopher 2003-4-6 101 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Road 540 Comment
  RSA464245  Mirabilis laevis var. crassifolia Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA778227  Mirabilis laevis var. villosa Duncan S. Bell 2009-3-8 32 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UC279685  Mirabilis laevis var. villosa Edmund C. Jaeger 1926-2-28 Riverside hills near Salt Creek Wash Comment
  SBBG14041  Mirabilis multiflora E. R. Blakley 1961-9-12 4716 Riverside Pinyon Flat, Palms to Pines Hwy 1219 Comment
  UC2015594  Mirabilis tenuiloba A. C. Sanders with G. Helmkamp 1996-3-17 17990 Riverside Cathedral City: Coachella Valley: Palm Springs, mouth of Palm Canyon., ca. 0.5 km E of Palm Canyon Dr. on Bogert Trail. Comment
  CLARK-A1528-4227  Mohavea confertiflora John C. Roos 1947-2-14 3252 Riverside Eagle Mountains Comment
  RSA517244  Mohavea confertiflora Steve D. Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1335 Riverside Shavers Valley, Colorado Desert: Hwy 195 north base of the Orocopia Mountains, halfway between Box Canyon and I-10. Comment
  RSA703805  Mohavea confertiflora LeRoy Gross 2005-3-3 1604 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA709912  Mohavea confertiflora Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4616 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC1995305  Monardella C. Epling, Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  SBBG128674  Monardella breweri subsp. lanceolata R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49544 Riverside Ortega Hwy (74), perhaps 1/4 mi W of El Cariso; Santa Ana Mtns Comment
  UCR59524  Monardella lanceolata Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3603 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  RSA401571A  Monardella lanceolata var. lanceolata Albert J. Perkins 1916-9-20 s.n. Riverside Tahquitz Valley. Comment
  UC25485 Image available Monardella macrantha subsp. hallii H. M. Hall 1898-7-4 976 Riverside canyon of San Jacinto River San Jacinto Mountains 1310 Comment
  CAS-BOT-BC215494  Monardella nana Elizabeth McClintock 1941-6-8 68 Riverside 1 1/2 miles east of Ribbonwood, Pines to Palms Highway Comment
  RSA0099993  Monardella nana Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8575 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  SEINET10582212  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 53 Riverside San Bernadino National Forest, Thomas Mtn. Go ca. 50 yds. past the former lookout tower site on Thomas Mtn. summit. Monardella nana is off the road, to the right ca. 75 yds. T6S,R3E,S29. Need USNFS permission to collect. Small, dense, population growing among the rocks in clearing, surrounded by Pinus ponderosa, Abies concolor, Calocedrus decurrens, Quercus chrysolepis, with Eriogonum fasciculatum, Lupinus sp., Gutierrezia sp., Galium andrewsii, Bromus sitchensis, Ribes roezlii. Mid-bloom. Comment
  RSA750306  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 122 Riverside San Jacinto Mts. Trail to Hidden Lake, about 1 mile beyond the cienega. Comment
  UCSB9756  Monoptilon bellidiforme Haller, John 1960-4-2 Riverside At north base of Orocopia Mtns., 1.3 miles south of the junc. of U.S. 60-70 and the south entrance road to Joshua Tree Nat. Mon. 487 Comment
  RSA4936  Monoptilon bellioides C. B. Wolf 1932-4-27 3061 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  RSA692205  Monoptilon bellioides Scott D. White, Michael Honer 2003-5-14 9284 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SEINET2153726  Montia perfoliata W. H. Whaley 2002-1 s.n. Riverside along Idyllwild road, at mile marker 21, recent burn site, ca 3/4 mile SE of Mt. Oak Boys Ranch. Comment
  CHSC61257  Muhlenbergia microsperma J. Lund 1980-4-3 Riverside One mile west of Corn Spring on the side of an unimproved road in a wash. 487 Comment
  SD124759  Muhlenbergia microsperma John C. Roos 1966-3-20 Riverside Chuckawalla Mtns., 2 I(c) mi. SE of Desert Center Comment
  UCD86835  Muhlenbergia microsperma G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2731 Riverside Colorado Desert: Chuckwalla Mts; 10.6 mi SSW of Chuckwalla Valley Rd. on Graham Pass Rd. Comment
  UCR260952  Muhlenbergia microsperma Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6029 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well 107 Comment
  UCD87108  Muhlenbergia rigens F. M. Reed 1934-9-26 8955 Riverside San Jacinto Mts. Creek bed adjoining Herkey Creek Camp. 1341 Comment
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May 1 2011
  RSA359530  Muilla maritima Steve Boyd 1986-3-9 1394 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
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Jan 15 2009
  RSA421117  Nama demissa E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Canon on Blythe Road. Comment
  UCSB12873  Nama demissa Breedlove, Dennis 1962-3-11 Riverside 3 miles southwest of Palm Desert 426 Comment
  CLARK-A1528-5061  Nama hispida var. spathulata John C. Roos 1949-4-9 4203 Riverside Desert Center 274 Comment
  RSA45513  Nama hispida var. spathulata J. C. Roos 1949-4-9 4203 Riverside 3 mi. N.E. of Desert Center. Comment
  CAS-BOT-BC219362  Nama stenocarpa A. C. Sanders; Mitch Provance 1999-9-26 23120 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  UCR157356  Nama stenocarpa Chris E. True, Robert Cox 2005-7-21 s.n. Riverside San Jacinto Valley, Mystic Lake, lakeshore west of Bridge Street intersection with Gilman Springs Road 436 Comment
  UCD87904  Nassella cernua Fred M. Reed 1906-2-1 877 Riverside Riverside County, Riverside: Tequesquito Arroyo. Comment
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May 1 2011
  POM116534  Nassella pulchra Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  SBBG119058  Nassella pulchra S. D. White with M. Honer 2004-4-6 10060 Riverside Temescal Valley, just N of the I-15 Hwy and E of Indian Truck Trail, S and W of Lee Lake; T5S R5W S7, SW/4 & adjacent S12 335 Comment
  CDA2256  Nassella tenuissima R. E. Riefner Jr. 2007-5-26 07 -216 Riverside City of Lake Elsinore, along I-15 north near Main Street. Comment
  CLARK-A1045-312  Navarretia atractyloides George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains near south southeast of Mesa de Burro; vernal pool; Murrieta 7.5' Q Comment
  CLARK-A1528-3447  Navarretia atractyloides John C. Roos 1952-5-26 5724 Riverside Reche Canyon 457 Comment
  RSA749634  Navarretia fossalis Linda Robb, Lisa Allen 2003-6-24 s.n. Riverside 215 Fwy at Newport Rd. Menifee Comment
  RSA17255  Navarretia hamata C. B. Wolf 1936-6-17 7958 Riverside Santa Ana Mountains, Tenaja Road: road to La Cienaga, 1.4 mile off Ortega Highway. 610 Comment
  SDSU13600  Navarretia hamata subsp. hamata W. Miller, C. Mosse 1972-7-5 Riverside Road below south gate (20ft). Comment
  UC174067  Nemacaulis denudata var. gracilis G. B. Grant 1900-1 6718 Riverside Palm Springs Colorado Desert Comment
  RSA339720  Nemacladus glanduliferus R. F. Thorne, W. Wisura, A. Shmida, R. Whittaker 1978-4-23 52037 Riverside Chino Canyon. Comment
  UCR282171  Nemacladus glanduliferus A. C. Sanders, Amy Litt, Plant Taxonomy Class 2017-4-8 43204 Riverside Sonoran (Colorado) Desert, near Cactus City Compressor Station, off frontage road south of I-10 and west of Chiriaco Summit 416 Comment
  RSA668415  Nemacladus glanduliferus var. glanduliferus S. Granger 1979-4-12 s.n. Riverside Pinkham Wash-Cottonwood Mountains foothills. South of Colorado River Aqueduct north of Cactus City. 488 Comment
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May 12 2016
  SEINET10458398  Nemacladus longiflorus Tilforth 1980-6-17 TILFORTH 2012 Riverside Along Thomas Mountains road, south of Lake Hemet and est of hiway 74 1658 Comment
  POM229456  Nemacladus longiflorus var. longiflorus P. A. Munz 1937-5-30 15088 Riverside Near Vandeventer Flat. Santa Rosa Mts. 1677 Comment
  UCR146262  Nemacladus longiflorus var. longiflorus Orlando Mistretta, Mark A. Elvin 1995-6-19 1782 Riverside Peninsular Ranges; San Jacinto Mountains, Highway 74 and Pacific Crest Trail 1494 Comment
  UCR35132  Nemacladus longiflorus var. longiflorus L. B. Ziegler 1967-6-21 163 Riverside San Jacinto Mtns, Hemet [= Garner] Valley 1402 Comment
  RSA0126341  Nemacladus longiflorus var. longiflorus E. C. Jaeger 1921-7-7 1178 Riverside Tahquitz trail. Comment
  JEPS5403  Nemacladus pinnatifidus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1271 A Riverside San Jacinto River Comment
  UC130503  Nemacladus ramosissimus Mrs. C. M. Wilder 1909-7-15 967 Riverside Hemet Dam; San Jacinto Mts. Comment
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Mar 25 2011
  UC1595630  Nemacladus ramosissimus Steve Boyd and Dave Bramlet 1991-5-13 6251 Riverside ese of Winchester (n side of Domenigoni-Diamond Valleys, ridge top s of s-end of Warren Rd, vicinity of ultramafic outcrop); Domenigoni Hills 548 Comment
  RSA0126416  Nemacladus sigmoideus W. L. Jepson 1928-4-25 12601 -A Riverside Cottonwood Springs, Eagle Mountains. 732 Comment
  RSA0120629  Nemacladus tenuis var. aliformis Duncan S. Bell, Thomas Stoughton 2016-3-16 8951 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  CAS-BOT-BC416316  Nemacladus tenuis var. tenuis A. C. Sanders; K. C. Rose 1995-4-27 16731 Riverside Sonoran (Colorado) Desert: Coachella Valley, foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree Nat. Park 548 Comment
  JEPS1915  Nemophila menziesii W. L. Jepson May 17 1901-June 1, 1901 1310 Riverside Strawberry Valley Mt. San Jacinto, Strawberry Valley Comment
  SD4046  Nemophila menziesii Edmund Jaeger 1925-5-10 Riverside Banning-Idyllwild Road, San Jacinto Mountains. 1219 Comment
  SD7439  Nemophila menziesii Daniel Cleveland 1882-4-24 Riverside Temecula Comment
  SEINET7067555  Nemophila menziesii A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. Coordinate datum: NAD27. Comment
  UCSB16243  Nemophila menziesii Otey, D. 1963-5-3 Riverside 7.2 miles south of Banning on Banning to Idyllwild Road 1219 Comment
  POM13998  Nemophila menziesii var. integrifolia E. C. Jaeger 1921-6-17 934 Riverside San Jacinto Mtns, Below Greggs Ranch Comment
  UCR117424  Nemophila menziesii var. integrifolia A. C. Sanders 1994-5-29 14580 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  CLARK-A1528-549  Nemophila pedunculata C. M. Flanagan 1973-4-26 OO 311 Riverside Morongo Indian Reservation 914 Comment
  POM363669  Nicolletia occidentalis Jack Rempel, Erwin Miller 1934-4-28 18733 Riverside S of Pass between Horse and Pleasant Valleys Wash 1220 Comment
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Dec 11 2011
  CSUSB771  Nicotiana bigelovii Dick Bernier 1966-4-10 Riverside Found along the road in a ditch just before you enter the dirt road to the Santa Ana Mountains from Murrieta. 548 Comment
  UCR21966  Nicotiana glauca Steve Boyd 1980-5-21 295 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  JOTR30638  Nicotiana obtusifolia La Doux, Tasha, Erin Babich 2008-4-21 1800 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  UCR202039  Nicotiana obtusifolia Denise Woodard, Gilbert Goodlet 1997-3-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UC489165  Nicotiana quadrivalvis C. V. Meyer Jun 1927 103 Riverside Temecula Comment
  UCR139414  Nicotiana quadrivalvis P. A. Munz, R. D. Harwood 1920-5-5 3833 Riverside San Bernardino Valley Region, near Wineville [Mira Loma] 457 Comment
  UC575034  Nolina parryi C. Epling and Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  UCR18845  Nolina parryi John C. Roos 1965-7-8 s.n. Riverside San Jacinto Mtns., Thomas Valley at the Pathfinder Camp. Comment
  SD148061  Nuttallanthus texanus Andy C. Sanders, M. Provance, T. B. Salvato 2001-4-6 23958 Riverside Perris-Aguanga Basin Region: Temecula, Long Canyon area west of Del Rey Rd., hills on both side of gas pipeline route 366 Comment
  POM355282  Oenothera californica subsp. californica N. C. Cooper 1944-4-22 1143 Riverside Banning. 762 Comment
  RSA146298  Oenothera californica subsp. californica William M. Klein, R. K. Benjamin 1960-3-22 1302 Riverside Along California State Hwy 74 approximatley 12 miles east of the junction of the Aguanga-Anza road. Comment
  UC219588  Oenothera californica subsp. californica P. A. Munz 1922-6-23 5782 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  CSUSB211  Oenothera deltoides Elliott Helm 1975-5-23 Riverside Colorado Desert 3 miles north of 29 Palms, off highway 177, Colorado Desert. 304 Comment
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Dec 4 2014
  SEINET7249060  Oenothera deltoides Teresa B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-1 Riverside Comment
  RSA615333  Oenothera deltoides subsp. deltoides George K. Helmkamp, E. A. Helmkamp 1998-2-18 2689 Riverside Colorado Desert: Midland Road, 3.8 miles SE of Midland, Little Maria Mountains Comment
  RSA747802  Oenothera deltoides var. deltoides Justin M. Wood 2009-3-26 402 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  RSA554245  Oligomeris linifolia Theo Glenn 1991-5-15 91 -136 Riverside Colorado Desert Little Maria Mountains, NW of Blythe. 390 Comment
  RSA776298  Oligomeris linifolia Duncan S. Bell, Amanda Turek 2010-4-10 826 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  POM122388  Olneya tesota Marcus E. Jones 1926-2-16 s.n. Riverside West of Desert Center Comment
  POM348472  Olneya tesota Anstruther Davidson 1928-5-31 s.n. Riverside Near Stavers Mill. [sic] [Shavers Well?] Comment
  RSA757825  Oncosiphon piluliferum Michael Wall 2010-5-13 560 Riverside San Jacinto Valley, Gilman Springs Rd. between Hemet and Moreno Valley, east of Mystic Lake between 3.0 and 6.0 miles N of jct. with Sanderson Ave. (Hwy 79) Comment
  UC1494056  Oncosiphon piluliferum K. M. Kummer 1981-5-19 Riverside Box Springs Reserve Box Springs Mountain 731 Comment
  UCR116800  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24210 Riverside Perris-Aguanga region, Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi. south of Van Buren Blvd. 465 Comment
  UCR240168  Oncosiphon piluliferum R. E. Riefner Jr. 2012-4-30 12- 82 Riverside city of Lake Elsinore, south side of Alberhill Creek, west of Hwy 74, vicinity of Bromley Ave. and Baker Street 380 Comment
  UCR96901  Oncosiphon piluliferum D. E. Bramlet 1995-6-8 2434 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area, c. 2 km northeast of Lakeview, Lovell Unit of the SJWA, c. 885 m east of Davis Road and 76 m north of the San Jacinto River levee 433 Comment
  CAS-BOT-BC56217  Opuntia ficus-indica C. B. Wolf; P. C. Everett 1938-9-29 9462 Riverside Field redacted by CAS, contact the data manager for more information 335 Comment
  SEINET269565  Opuntia parryi Scott D. White 1996-5-27 4078 Riverside Jackrabbit Canyon: E of Moreno Valley and S of Calimesa between St Hwy 60 & Gilman Spr Rd. W & N of former gravel quarr 518 Comment
  POM284055A  Opuntia phaeacantha Lyman Benson 1955-12-6 15619 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  CLARK-A1528-78  Orcuttia californica Ruth Cooper 1941-6-8 76 K Riverside Menifee Valley Comment
  RSA286799  Orcuttia californica R. F. Thorne 1974-5-23 44665 Riverside Santa Rosa Plateau, Rancho California: Top of Mesa de Colorado, 624 Comment
  RSA0066507  Orobanche californica subsp. feudgei C. W. Tilforth, B. Busenberg 1980-6-10 1980 Riverside 0.1 mi. in from Highway 74 on north leg of Thomas Mtn. Road, 1 mi. south of Lake Hemet. 1386 Comment
  RSA788726  Orobanche cooperi Duncan S. Bell 2012-3-8 3153 Riverside Southern section of the Mecca Hills, approximately 2 air miles southeast of where the Coachella Canal and Hidden Springs Canyon cross each other. 68 Comment
  UCR94614  Orobanche fasciculata G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  CAS-BOT-BC500136  Orobanche fasciculata Philip A. Munz 1937-5-31 15124 Riverside Kenworthy, S part of San Jacinto Mts. 1371 Comment
  RSA0104797  Orobanche fasciculata Edmund C. Jaeger 1921-7-18 s.n. Riverside Caramba, Taquitz Creek, San Jacinto Mts. 1828 Comment
  RSA192067  Orthocarpus purpurascens E. W. Lathrop 1966-5-1 6228 Riverside 3 miles W of Murrieta. Tenaja Plateau. Comment
  JEPS38571  Osmadenia tenella W. L. Jepson 1901-5-31 1556 Riverside Walter's Ranch Temescal Wash Comment
  SEINET4208826  Osmadenia tenella Steve Boyd, Tim Ross 1992-6-10 7626 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road (&S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek.; 0 671 Comment
  CLARK-A1528-676  Oxalis corniculata John M. Spencer 1971-5-8 Riverside University of California Comment
  SD136804  Oxalis corniculata Steve Boyd, Tim Ross 1992-5-5 7258 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wildeerness Area. Oak Flats along Serrano Spsring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 730 Comment
  CLARK-A1045-71  Oxytheca emarginata George K. Helmkamp 1978-5-20 Riverside San Jacinto Mountains dry slope just northwest of Kensworthy Forest Station; ; Idyllwild 15' Q Comment
  UCR19480  Oxytheca emarginata E. C. Jaeger 1922-7-23 s.n. Riverside San Jacinto Mtns., Pines to Palms Trail, east slope of mountains 1524 Comment
  POM12807  Oxytheca trilobata P. A. Munz 1922-6-25 5818 Riverside Vandeventer Flat. 1707 Comment
  UCR121240  Oxytheca trilobata Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2285 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA535468  Paeonia californica Steve Boyd, Orlando Mistretta, Tim Ross 1992-2-2 6660 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
  SD137699  Paeonia californica Darin L. Banks, Steve Boyd 1995-3-15 66 Riverside Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, Dorland Mtn. Area. 701 Comment
  SD1660  Paeonia californica Edmund C. Jaeger 1925-2-1 Riverside Joseph CaA'on near Corona. 975 Comment
  CAS-BOT-BC327923  Palafoxia arida N. Aitkenhead 1977-2-1 2209 Riverside Sand dunes 0.5 mi E of Dillon Rd-T/L Junction Comment
  CAS-BOT-BC327929  Palafoxia arida Ira L. Wiggins 1938-3-19 8902 Riverside Colorado Desert.25 mi W of Blythe Comment
  CDA8433  Palafoxia arida G. D. Barbe, T. C. Fuller 1973-2-27 1043 Riverside West side of Coachella Canal, 5 miles east of Mecca on Highway 195, mouth of Box Canyon Wash. 0 Comment
  UCR134598  Palafoxia arida Marisa Sripracha, Kyle Boyd 2004-2-14 014 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR214561  Palafoxia arida var. arida A. C. Sanders 2010-3-15 37411 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  POM78993  Panicum capillare I. M. Johnston 1925-7-19 s.n. Riverside Pedley-Arlington Road. Comment
  CAS-BOT-BC350983  Panicum hirticaule Duncan S. Bell; John Anderson; Kim Clark; Debbie George; Jim George; A. F. Howland 2013-9-28 6018 Riverside Chuckwalla Valley; approx. 22.25 air miles W of Blythe, S side of Ford Dry Lake, about 0.5 air mile SE of Hopkins Well 107 Comment
  JOTR29502  Panicum hirticaule subsp. hirticaule Bell, Mike 2006-9-14 s.n. Riverside Joshua Tree National Park. southeast Pinto Mountains; near Mission Well/ Sunrise Mill, off Old Dale Road 435 Comment
  SEINET10788752  Panicum urvilleanum Sarah E. Youngstrom, J. Travis Columbus 2007-5-23 Youngstrom 2 Riverside S of Whitewater, Northern San Jacinto Mountains 100-200 m S of Hwy 111, on NE aspect, steep slope sand deposits on base of mountains. 311 Comment
  SEINET3223046 Image available Panicum urvilleanum J. Wear 1993-4-1 Riverside Colorado Desert; Coachella Valley, Palm Desert, section 4. Comment
  UC820175  Panicum urvilleanum Alice Eastwood 1913-4-30 3122 Riverside road to station Palm Springs Comment
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Sep 19 2007
  SD262333  Papaver californicum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood. 2017-4-14 417 27 Riverside Peninsular Ranges: Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way (Romoland 7.5'Q) 591 Comment
  RSA621901  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-11 2905 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  UCR101838  Parietaria hespera var. hespera B. G. Pitzer 1997-4-1 3062 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR90967  Parkinsonia aculeata Scott D. White 1996-3-23 3846 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet, Loomis property, 'Friendly Hills Ranch 610 Comment
  JOTR32324  Parkinsonia florida Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  SEINET3131702  Parkinsonia torreyana G. B. Grant 1906-1 910 -6723 Riverside Palm Springs Comment
  RSA760784  Pectocarya heterocarpa Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-3-30 112 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  UCR116610  Pectocarya heterocarpa A. C. Sanders 2001-3-20 23833 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, NW corner of intersection of Pierson Blvd. and Atlantic Blvd., between flood control ditch and Pierson, west of high school 335 Comment
  UCR196380  Pectocarya heterocarpa Naomi Fraga, Lisa Rojas 2005-2-10 1423 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  UCR127358  Pectocarya linearis A. C. Sanders, D. Malueg 2003-5-8 26567 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  RSA611563  Pectocarya linearis subsp. ferocula R. S. Woglum 1939-4-22 2194 Riverside Peninsular Ranges: Near Aguanga; Cleveland National Forest. Comment
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Jun 9 2012
  UCR22131A  Pectocarya penicillata Steve Boyd 1980-5-3 171 A Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  RSA605222  Pectocarya peninsularis A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16140 Riverside Coachella Valley, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and I10. 329 Comment
  RSA775948  Pectocarya platycarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 938 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UCR281259  Pectocarya recurvata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 53 Riverside Temescal Valley, Southern foot of the Gavilan Hills, slopes west of Black Powder Rd. 427 Comment
  UCR59676  Pectocarya recurvata Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3041 Riverside Peninsular Range, Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain 622 Comment
  UCR244392  Pectocarya setosa Jim Andre 2012-4-16 20966 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  SD137599  Pedicularis densiflora Darin L. Banks 1995-3-15 60 Riverside Agua Tibia Wilderness area, N face of Agua Tibia Mtn., Dorland Mtn. area 680 Comment
  UCR190496  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  UCR121313  Pellaea andromedifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25005 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  UCR213477  Pellaea andromedifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37839 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  SEINET13709265  Pellaea andromedifolia J. Adams, J. Adams (Botany) 1966-1 743 Riverside Santa Rosa Plateau, Dirt Rd from Murrieta to De Luz 2500 Ft 762 Comment
  RSA686749  Pellaea andromedifolia var. andromedifolia Christopher Davidson, B. Gustafson 1977-4-7 5592 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. 610 Comment
  SD80136  Pellaea mucronata Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 382 Riverside North slope of Santa Rosa Mountains; Deep Canyon, west of water service road, ca. 2 miles south of Highway 74 1310 Comment
  UCD137698  Pellaea mucronata Lewis S. Rose 1966-12-14 66107 Riverside Chino Canyon, 3 mi. W. of Palm Springs Desert. 670 Comment
  UCR262235  Pellaea mucronata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3721 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  UCR86863  Pennisetum setaceum A. C. Sanders, K. C. Rose 1995-4-27 16741 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  CAS-BOT-BC227212  Pennisetum villosum T. B. Salvato 2000-8-22 020 Riverside Peninsular Range: Riverside, Bascomb Drive at Don Goodwin Street 309 Comment
  NY583869  Penstemon centranthifolius W. L. Jepson 1939-4-17 19163 Riverside 3 miles east of Temecula, on State Highway No. 71 Comment
  RSA412461  Penstemon centranthifolius E. C. Jaeger 1921-6-1 s.n. Riverside Gregg's Ranch, San Jacinto Mtns. 1372 Comment
  UCR99405  Penstemon centranthifolius Scott D. White 1996-8-16 4479 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  UCSB16963  Penstemon centranthifolius Feldmann, P. 1963-5-4 Riverside 5 mi. along road from Banning; on road from Banning to Idyllwild 1371 Comment
  JEPS13632  Penstemon labrosus Peter Kamb 1948-7-11 1193 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  SFV20149  Penstemon rostriflorus J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-4 261 .3 Riverside Santa Rosa Mountains Garnet Queen Creek at Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 4.8 miles from Highway 74. 1865 Comment
  POM50429  Penstemon spectabilis J. D. Abrams 1900-5-20 s.n. Riverside Elsinore. Comment
  UCR121885  Penstemon spectabilis Ian G. Gillespie 2001-5-7 87 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as the Sycamore Canyon Area. In a sandy wash at the north east corner of the intersection of Indian Truck Tr. and De Palma Rd. Associated species: Cryptantha microstachys, Hirschfeldia incana, Amsinckia menziesii. 366 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
  UCSB12642  Penstemon spectabilis Creighton, B. 1961-5-6 Riverside 7.8 miles south of Banning on Banning-Idyllwild road, about 25 miles east of Riverside 1158 Comment
  SD137596  Penstemon spectabilis var. spectabilis Darin L. Banks 1995-4-11 165 Riverside Cleveland National Forest; N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trail 694 Comment
  POM351576  Pentachaeta aurea Elbert Benjamine 1929-5-18 224 Riverside Mt. San Jacinto. Comment
  UCR123858  Pentagramma triangularis Steven R. Hill 2001-5-3 33664 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
  JOTR33759  Pentagramma triangularis subsp. maxonii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2757 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  UCD137797  Pentagramma triangularis subsp. maxonii Geoffrey Levin 1976-3-27 683 Riverside San Jacinto Mts, Chino Canyon. West of Palm Springs. Alluvial fan of San Jacinto Mountains. Salton Sea Basin drainage area. 396 Comment
  RSA0070738  Pentagramma viscosa Scott D. White, Teresa Salvato 2001-6-8 8591 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  HSC47345  Peritoma arborea R. W. Spjut, Judy Adams 1978-11-22 5236 Riverside Colorado Desert, N of N Palm Springs along Indian Ave. 0 Comment
  CAS-BOT-BC73772  Peritoma arborea var. arborea Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well Comment
  JOTR32153  Perityle emoryi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2308 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UC1719674  Perityle emoryi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11214 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region; Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Comment
  UCR101572  Perityle emoryi 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
  UCR103584  Perityle emoryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2717 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR244877  Perityle emoryi Jim Andre 2012-3-19 21385 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  OBI78428  Persicaria punctata Steve Boyd 1985-7-23 1014 Riverside De Luz Rd, 8 mi W of Rancho California; In Sandia Crk 305 Comment
  CAS-BOT-BC167764  Petalonyx thurberi Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9568 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  RSA101199  Petalonyx thurberi David B. Dunn 1947-7-12 2967 Riverside Pushawalla Canyon, Indio Hills. Comment
  RSA38401  Petalonyx thurberi P. A. Munz 1946-10-20 11582 Riverside Foot of grade on Palms to Pines Hwy, North base of Santa Rosa Mts. 152 Comment
  UCR261211  Petalonyx thurberi A. C. Sanders, Katie Young, John Hale 2015-4-22 41595 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  UC217891  Petunia parviflora P. A. Munz and I. M. Johnston 1922-5-5 5156 Riverside near Moreno (Mystic Lake); Mystic Lake Comment
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Mar 20 2011
  CDA8465  Peucephyllum schottii A. C. Browne 1953-4-23 Riverside Indian Fish Traps, 12 miles south of Indio. 0 Comment
  RSA703736  Peucephyllum schottii LeRoy Gross 2005-3-3 1568 Riverside Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  UCSB37917  Peucephyllum schottii Roos, John 1966-2-5 Riverside Pushawalla Wash near 1000 Palms, Indio Hills Comment
  RSA0106803  Phacelia Mitch Provance 2012-5-24 512 -27 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 869 Comment
  POM13267  Phacelia ambigua E. C. Jaeger 1922-3-4 1103 Riverside Painted Canyon near Mecca. Comment
  POM13312  Phacelia ambigua E. C. Jaeger 1921-5-20 1076 Riverside Palm Springs. Comment
  POM14022  Phacelia ambigua P. A. Munz, D. D. Keck 1922-4-9 4841 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  POM48138  Phacelia ambigua E. E. Schellenger 1920-05 s.n. Riverside Canyon east of Coachella, Colorado Desert. Comment
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Jun 15 2012
  RSA425997  Phacelia ambigua M. B. Dunkle 1937-3-25 4913 Riverside Southeast of Indio. Comment
  JEPS1555  Phacelia brachyloba W. L. Jepson May 17 1901-Jun 1 1901 1282 Riverside near Strawberry Valley; Mt. San Jacinto, San Jacinto Canyon Comment
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Jul 8 2014
  CLARK-A1528-2990  Phacelia campanularia John C. Roos 1947-2-15 3245 Riverside Eagle Mountains Comment
  RSA650542  Phacelia campanularia subsp. campanularia Bob Musgrove 1949-2-22 s.n. Riverside Collected in Indio Hills near Indio 213 Comment
  UCR200335  Phacelia campanularia subsp. campanularia Tasha La Doux, Jim Andre 2008-3-20 212 Riverside Sonoran (Colorado) Desert, along Hwy I-10 at Whitewater exit, on south-facing slope at White Water River crossing 418 Comment
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Nov 11 2010
  SJSU11233  Phacelia cicutaria var. hispida G. B. Youngberg 1956-3-29 214 Riverside by Lake Matthews c. 8 mi E of Corona Comment
  OBI26128  Phacelia crenulata David J. Keil 1976-12-12 11906 Riverside Ca. 5 mi E of Indio along I-10 Comment
  UCR138574  Phacelia crenulata Steve Boyd, Orlando Mistretta 1986-3-13 1440 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  JOTR30326  Phacelia crenulata var. ambigua La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1770 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash. Open sandy wash near road heading to Cottonwood. 745 Comment
  RSA0043231  Phacelia crenulata var. ambigua Duncan S. Bell 2009-4-18 252 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  SD241052  Phacelia crenulata var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 8056 Riverside North edge of Palo Verde Mesa, 150 m south of McCoy Wash, 5.3 km WSW of Mesaville Siding, and 6.1 km north of Blythe Airport. 136 Comment
  UCR89727  Phacelia crenulata var. minutiflora J. M. Stewart 1991-4-7 758 Riverside Sonoran (Colorado) Desert, Pinto Wash south of Joshua Tree National Monument, Eagle Mountains Comment
  JOTR34041  Phacelia distans La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2942 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  RSA192000  Phacelia distans E. W. Lathrop 1959-4-16 4467 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  RSA339326  Phacelia distans Robert F. Thorne, W. A. Tilforth 1980-5-28 54201 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
  RSA778137  Phacelia distans Jim Andre 2011-2-2 16208 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  UC56888  Phacelia distans H. M. Hall 1902-4-22 2953 Riverside vicinity of Riverside 365 Comment
  UCR194823  Phacelia distans Scott D. White 2006-4-27 11298 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  UCR241637  Phacelia distans T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 349 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR265842  Phacelia distans Mitch Provance 2012-5-24 512- 26 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UCSB5448  Phacelia distans Haller, John 1957-3-23 Riverside Morongo Wash, ca. 4.5 road miles N of U.S. 99 and 3 air miles S of Riverside-San Bernardino Co. line 609 Comment
  JOTR31994  Phacelia fremontii La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2224 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  SEINET5760623  Phacelia fremontii N. H. Holmgren, P. K. Holmgren 1974-4-2 7575 Riverside Pinto Mountains, Joshua Tree National Monument, Hidden Valley Campground, 13.9 miles southeast of Joshua Tree (10 airline miles south-southwest of Twentynine Palms). 1311 Comment
  UCR193922  Phacelia imbricata A. C. Sanders, Mitch Provance 2008-7-11 35787 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  POM12880  Phacelia imbricata subsp. patula P. A. Munz 1922-7-8 6060 Riverside Fern Valley 1768 Comment
  RSA622  Phacelia imbricata subsp. patula J. T. Howell 1927-8-2 559 Riverside Strawberry Valley, Mt San Jacinto. 1677 Comment
  RSA764119  Phacelia imbricata subsp. patula L. M. Prince, Duncan S. Bell 2009-6-17 582 Riverside Cleveland National Forest Comment
  JEPS2139  Phacelia lemmonii Marjorie D. Clary 1932-7-4 984 Riverside 3 mi e Vandeventer Flats; Santa Rosa Mts. 1371 Comment
  SD133067  Phacelia minor Scott White 1991-5-13 91 99 Riverside Hwy 79, immediately W of US Forest Service Campground at Dripping Springs 548 Comment
  SDSU6654  Phacelia minor D. Hunsaker 1962-4-10 Riverside Three miles SSW from Temecula. Comment
  SEINET3091898 Image available Phacelia minor B. Pitzer, L. LaPre 1987-3-2 441 Riverside Bundy Canyon, ca. 2 mi. SE of Lake Elsinore and 0.5 mi. N of Bundy Canyon Rd. off Raciti Rd. (Romoland 7.5' quad). Comment
  UCR113612  Phacelia minor A. C. Sanders 1998-1-15 21636 Riverside Lake Skinner area, rocky knob (2527 ft.) along dirt road toward Crown Valley, NE of Black Mtn. 762 Comment
  POM13092  Phacelia mutabilis E. C. Jaeger 1921-6-14 s.n. Riverside Between Deep Creek and Gregg s Ranch. 1616 Comment
  JOTR30111  Phacelia pedicellata La Doux, Tasha, Bill Truesdell 2008-3-18 1659 Riverside Joshua Tree National Park. Stop 2 = Near northern Park boundary in Rattlesnake Canyon Wash, near bouldery outcrops 892 Comment
  RSA27409  Phacelia pedicellata C. L. Hitchcock 1940-3-31 5887 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  CSUSB150  Phacelia ramosissima Randy Salstrom 1966-5-12 Riverside One mile up canyon from west end of Blain Street, on an old road out in the Box Springs Mountains. 365 Comment
  UCR160975  Phacelia ramosissima Narca A. Moore-Craig 1984-4-5 s.n. Riverside San Jacinto Wildlife Area, c. 2 mi. north of Lakeview, c. 0.5 mi. east of Davis Rd. at headquarters 506 Comment
  UCR172769  Phacelia ramosissima Abby Sirulnik 2000-5-7 34 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243, c. 5 mi. from Interstate 10 1098 Comment
  RSA291570  Phalaris aquatica C. W. Tilforth, B. Busenberg 1980-6-17 2022 Riverside Flat at large telephone signal reflector panel, south end of Thomas Mountain Road, south of Lake Hemet and west of Hwy 74 Comment
  UCR75533  Phalaris lemmonii A. C. Sanders 1993-5-12 14001 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  LA9200  Phalaris minor F. M. Reed; 1905-5-7 740 Riverside Box Spring Mts, Summit of Pigeon Pan Comment
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Feb 23 2014
  RSA0034096  Phalaris minor Duncan S. Bell 2013-1-30 4454 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  CLARK-A1528-4798  Phalaris paradoxa John C. Roos 1943-4-3 2616 Riverside San Timoteo Canyon 457 Comment
  RSA509724  Pholistoma auritum Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  CAS-BOT-BC135108  Phoradendron californicum W. R. Dudley 1903-12-31 s.n. Riverside Indio Comment
  POM2149  Phoradendron californicum I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 229 Comment
  RSA601648  Phoradendron californicum Louis C. Wheeler 1956-2-25 7176 Riverside Deep Canyon, south of Palm Desert. Comment
  RSA770423  Phoradendron californicum Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4878 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  JOTR36413  Phoradendron serotinum subsp. tomentosum La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3360 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  POM13405  Phoradendron villosum E. C. Jaeger 1922-6-15 s.n. Riverside Palms to Pines Trail, on Quercus. 1982 Comment
  UC66695  Phoradendron villosum N. K. Berg 1904-3-4 Riverside San Jacinto <R. C.> Comment
  CLARK-A1528-4356  Physalis acutifolia John C. Roos 1965-9-5 Riverside Blythe Comment
  RSA443393  Physalis acutifolia J. C. Roos 1965-9-5 s.n. Riverside Blythe. Comment
  IRVC28190  Physalis crassifolia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11216 Riverside Choclate-Chuckwalla Mtns region; W base of the Choclate Mtns, small cyn, ca. 1.25 mi. N of Imperial Co. line and about 3.75 mi. W of aquaduct; accessed by dirt road off of main aquaduct road at siphon station. Within boundary of US Navy Choclate Mtn ... Colorado Desert Comment
  RSA0014465  Physalis crassifolia Justin M. Wood, J. Miner 2010-4-29 1539 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA611912  Physalis crassifolia C. Epling 1934-10 s.n. Riverside Palms to Pines Hwy. Comment
  UCR35276  Physalis crassifolia L. B. Ziegler 1966-9-13 84 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., San Jacinto Mtns. Desert slope 701 Comment
  JEPS8969  Physalis philadelphica Mr. McGraw 1904-1 Riverside Riverside Comment
  UC1129859  Pickeringia montana var. montana R. St. John 1931-2-27 189 Riverside Sitton Peak Elsinore Quadrangle 991 Comment
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Nov 27 2011
  UCR113861  Picris echioides Mitch Provance 2000-6-24 2056 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA234024  Pilularia americana R. F. Thorne, Earl Lathrop 1969-6-6 39321 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado 624 Comment
  UC64431  Pinus coulteri W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1313 Riverside Johnston Ranch San Jacinto Mt. 1354 Comment
  RSA384355  Pinus lambertiana Albert J. Perkins 1916-9-3 s.n. Riverside Idylwild, Calif. Comment
  SEINET11610609  Pinus lambertiana D. A. Charlet, Dene Charlet 2010-5-7 3353 Riverside San Bernardino Mountains, San Jacinto Mountain 2609 Comment
  SBBG99806  Pinus monophylla W. L. Halvorson 1977-4-4 77 -236 Riverside transition from desert to Joshua Tree Nat Monument 1219 Comment
  RSA741586  Pinus quadrifolia Scott D. White, Justin M. Wood 2008-6-17 12190 Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  SBBG34989  Plagiobothrys T. L. Secrest 1951-5-19 Riverside near Hemet Lake Comment
  SEINET9287644  Plagiobothrys Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  RSA0039460  Plagiobothrys canescens A. C. Sanders, Timothy W. Chumley 2013-4-1 40723 Riverside Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  RSA715329  Plagiobothrys canescens John Green 2006-4-18 s.n. Riverside NE of Murrieta, just S of Los Alamos Rd. (Clinton Keith Rd.), on E and W sides of Liberty Rd. border between City of Murietta and unincorporated French Valley. 415 Comment
  SEINET1909857  Plagiobothrys canescens A. C. Sanders, J. C. Lyman 1995-1 16560 Riverside Glen Avon; Sand dune area on N. Slope of Jurupa Jills (draining toward Fontana), Pyrite St. Canyon (Fontana 7.5 Q.) Comment
  SEINET6097276  Plagiobothrys canescens Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR228742  Plagiobothrys canescens A. C. Sanders, Nathan Moorhatch 2011-3-22 38798 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  UCR12247B  Plagiobothrys collinus O. F. Clarke 1973-1-21 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi. NW of Perris 579 Comment
  UCR177505  Plagiobothrys collinus S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  RSA359527  Plagiobothrys collinus var. californicus Steve Boyd 1986-3-9 1389 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  UCR4201  Plagiobothrys collinus var. californicus K. S. Gill 1965-3-14 s.n. Riverside 1 mile north of corner of Wood and Roberts roads in Woodcrest 549 Comment
  SEINET4560762  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy W. Chumley 2013-1 40747 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, Se of Corona (Lee) Lake. 377 Comment
  UCR272260  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-9 759 Riverside Mojave Desert, east side of the Arica Mountains, near the center of the range, c. 1.75 air mile west of Priest Well 439 Comment
  RSA613752  Plagiobothrys leptocladus Scott D. White 1993-4-25 1276 Riverside Winchester Hills area: agricultural fields, near vernal pools Comment
  SD244105  Plagiobothrys leptocladus T. B. Salvato, Matt MallA^, Tom Sullivan 2013-3-27 7442 Riverside Perris-Aguanga Basin: Menifee, vacant lot north of Newcomp Substation, at southwest corner of Lazy Creek Road and Murrieta Road, (Romoland 7.5'Q) 431 Comment
  UCSB10521  Plagiobothrys tenellus Wedberg, H. 1957-3-22 Riverside Hwy. 71, near Alberhill Comment
  UCR50431  Plantago erecta Bill Wagner 1988-3-2 s.n. Riverside Peninsular Range, Glenoaks Road, c. 2.5 mi south of Lake Skinner and c. 8 mi NE of Temecula. 564 Comment
  UCSB9610  Plantago major Philbrick, Ralph 1954-10-24 Riverside pasture 4 miles south of Chino Institute 213 Comment
  UCR166016  Plantago ovata 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
  POM7037  Plantago ovata var. fastigiata P. A. Munz, L. T. Street, G. Williams 1919-3-28 2367 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Sep 12 2011
  RSA402024A  Plantago ovata var. fastigiata A. Menke 1955-3-26 s.n. Riverside No Palms near Desert Center, Hwy 70 Comment
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Feb 19 2013
  RSA401990B  Plantago patagonica N. C. Cooper 1944-4-21 1138 Riverside Banning. 701 Comment
  UCR133944  Plantago patagonica John F. Green 2004-3-31 s.n. Riverside San Jacinto Mtns., Bautista Canyon, near Bautista Conservation Camp 808 Comment
  UC4557  Platanthera leucostachys H. M. Hall 1897-7-22 727 Riverside San Jacinto Mts. 1828 Comment
  SBBG54767  Platanus racemosa C. Worthman 1968-5-16 166 Riverside 8.7 mi W of Murietta 167 Comment
  RSA770859  Platystemon californicus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4927 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
  UCR19213  Platystemon californicus John C. Roos 1942-5-2 1147 Riverside Mojave Desert, Joshua Tree National Monument [now Park]. Hidden Valley Comment
  UCSB46705  Platystemon californicus Reed, Susan 1977-03 Riverside left side of Cajalco Rd; 1.5 miles west of Lake Matthews 365 Comment
  JEPS70532  Pleuraphis rigida W. L. Jepson 1912-10-28 5241 Riverside in the wash near Riverside Mts.; along the Colorado River, near Riverside Mts. 45 Comment
  JOTR16786  Pleuraphis rigida Baker, James K. & Baker, Ilisa T. 1966-10-20 s.n. Riverside Joshua Tree National Park. RYAN MOUNTAIN WATER STATION 1310 Comment
  RSA778415  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-4 52 Riverside Red Cloud Wash Road exit from I10. Fellow Red Cloud Road approximately 6.4 miles. Near campground with car remnants. Chuckwalla Bench ACEC. 630 Comment
  RSA782134  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-18 129 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  CLARK-A1045-217  Pleurocoronis pluriseta George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; wash; Lost Horse Mtn. 15'Q Comment
  POM10453  Pleurocoronis pluriseta Charlotte M. Wilder 1907-04 s.n. Riverside Murray Canyon. Comment
  RSA102350  Pleurocoronis pluriseta S. B. Parish, W. F. Parish 1882-04 728 Riverside Mtns of Colorado Desert Comment
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Jul 12 2010
  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
  LA203872  Pluchea sericea None; 1951-4-21 sn Riverside Thousand Palms hwy oasis Comment
  UCR2674  Poa annua F. M. Reed 1904-3-11 661 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  CHSC102091  Poa secunda Scott D. White; Michael Honer 2003-4-25 9122 Riverside SAN BERNADINO MTNS.: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 641 Comment
  RSA524229  Poa secunda Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4023 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR126381  Poa secunda A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 690 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  HSC83031  Poa secunda subsp. secunda N. M. Fellows 1985-3-3 96 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns., l mi. W of Snow Creek Village. 489 Comment
  JOTR30224  Poa secunda subsp. secunda Leary, C. and Leary, Pat 1979-5-5 2998 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree National Monument, T2S R7E sec 6 Comment
  UCR85588  Polygonum argyrocoleon Julie A. Greene, Steve Boyd, D. E. Bramlet, Hilda Flores, H. Ochoterana 1993-7-9 1425 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of Visitor center, by waterfowl kiosk, east of Davis Road. 433 Comment
  RSA557344  Polygonum argyrocoleon Julie Greene 1993-5-12 1309 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  POM224747  Polygonum hydropiperoides P. A. Munz 1935-10-21 14652 Riverside Santa Ana River, below Rincon. Comment
  UCR110389  Polygonum lapathifolium A. C. Sanders, Mitch Provance 1999-9-26 23083 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  UC465745  Polygonum punctatum A. J. McClatchie 1896-7-8 Riverside Temecula Comment
  RSA508014  Polystichum imbricans subsp. curtum Steve Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2294 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  POM257339  Populus fremontii Carl B. Wolf 1932-4-28 3084 Riverside Along the Colorado River near the Blythe Bridge. 91 Comment
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Mar 26 2011
  SEINET10932113  Populus fremontii David B. Dunn 1946-3-17 Dunn 2101 Riverside At pushawalla palms by the springs. Indio hills. Comment
  UCR251971  Populus nigra Max Brodie 2014-4-6 09 Riverside San Bernardini Mtns./Sonoran (Colorado) Desert, Whitewater Canyon off Whitewater Canyon Rd., along Whitewater River near town of Bonnie Bell, c. 2 miles north of Hwy I-10 488 Comment
  JOTR31985  Porophyllum gracile La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2220 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; small bowl with underground water seep at top of bouldery canyon 815 Comment
  RSA124075  Porophyllum gracile P. C. Everett, E. K. Balls 1958-4-29 23035 Riverside Hwy 60/70, Indio to Blythe, 1 mile W of Cactus City 549 Comment
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Mar 20 2011
  SBBG19980  Porophyllum gracile M. A. Piehl 1963-9-18 63848 Riverside US Hwy 80, 2.7 mi W of Desert Center 312 Comment
  UCR16783  Potentilla glandulosa S. Riddell 1973-5-17 730517- 9 Riverside Santa Ana Mtns, Picnic Ground of El Cariso Fire Station on Hwy 74 793 Comment
  UC860692  Potentilla gracilis var. fastigiata P. A. Munz 1922-7-6 5986 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2194 Comment
  RSA682853  Prenanthella exigua Scott D. White, Michael Honer 2003-5-13 9234 Riverside Shavers Valley / Cottonwood Mountains. Lower mountain slopes ca. 1 air mile N of the I-10 Freeway. 488 Comment
  UC667371  Prenanthella exigua Annie M. Alexander and Louise Kellogg 1941-5-23 2221 Riverside 3 1/2 mi ne Cottonwood Spring (Eagle Mts.); Eagle Mts. 1066 Comment
  UCR190685  Proboscidea louisianica Michelle Balk 2006-3-20 3917 Riverside Peninsular Range; Perris-Aguanga Basin, Hemet, Stetson Estates just northwest of the intersection of Stetson and California 461 Comment
  RSA0014807  Proboscidea louisianica Steve Boyd 1984-9-20 s.n. Riverside Mead Valley, 4.5 mi NW of Perris, along Cajalco Rd., 0.2 mi E of its intersection with Clark St. (Old Elsinore Rd.) Comment
  CDA39092  Prosopis glandulosa Mike Lahti 2013-5-2 PDR# 331 P06141961 Riverside Aguanga; Hwy. 79 south and Hwy. 371. 0 Comment
  UCR241850  Prosopis glandulosa A. C. Sanders, Timothy W. Chumley 2013-4-5 40774 Riverside Peninsular Range, Temescal Canyon, 10 miles south of Corona, just north of El Hermano Rd., NW of Corona (Lee) Lake and SE of Glen Ivy 313 Comment
  POM348731  Prosopis glandulosa var. torreyana N. C. Cooper 1942-4-17 576 Riverside Palm Springs. Comment
  UCD108216  Prosopis glandulosa var. torreyana Richard Bates 1949-4-26 s.n. Riverside Indio. Comment
  SEINET10489767  Prosopis glandulosa var. torreyana A. K. Evans 1976-4-13 Evans 5152 Riverside Desert canyons of Santa Rosa mountains. Comment
  UC61550  Prosopis pubescens Miss Mary McKibben May 1904 Riverside Mecca -60 Comment
  UCR41539  Prunus fasciculata A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6058 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  UC1979536  Prunus ilicifolia subsp. ilicifolia Darin L. Banks, Peter Morrell 1995-5-4 298 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Woodchuck Trail. Comment
  CAS-BOT-BC356338  Psathyrotes ramosissima Roxana S. Ferris 1918-6-15 996 Riverside 25 miles east of Mecca on Mecca Blythe Road Comment
  SEINET2054372 Image available Psathyrotes ramosissima W. H. Earle 1974-12-8 Riverside Haywood Rd. north of Rt. 60. Comment
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Aug 25 2013
  UCD135004  Psathyrotes ramosissima Geoffrey Levin 1976-10-17 1174 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills mountain range. 91 Comment
  UCR235924  Psathyrotes ramosissima Jeremiah George 2012-5-4 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, toward end of pavement on Salvia Rd. north of Gene Autry Trail, near I-10 183 Comment
  UCR241841  Pseudognaphalium biolettii A. C. Sanders, Timothy W. Chumley 2013-4-2 40733 Riverside Peninsular Range, Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  SD140193  Pseudognaphalium californicum Scott White 1993-3-15 1191 Riverside Elsinore: Highway 74, just west of northwest corner of Lake Elsinore. Alluvial wash in Dickey Canyon. Comment
  RSA0121381  Pseudognaphalium luteoalbum Duncan S. Bell, LeRoy Gross 2016-3-30 9146 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA528058  Psilocarphus brevissimus A. C. Sanders 1991-4-19 10922 Riverside Edgemont area, E of Sycamore Canyon. 0.8 mile W of Highway I-215, on East Ridge Dr. (=Eucalyptus), just W of Pepsi Plant 466 Comment
  UCR266315  Psilocarphus brevissimus D. E. Bramlet 1991-4-3 2109 Riverside Perris-Aguanga Basin region, west of Hemet, west of Warren Rd. across from Hemet-Ryan Airfield 457 Comment
  HSC28010  Psilostrophe cooperi Richard Spjut 1973-5-5 3345 Riverside Colorado Desert; rocky and gravelly flats and hills bordering the southern slopes of the Chuckawalla Mts. 610 Comment
  UCSB3073  Psorothamnus arborescens Eriksen, C. 1954-4-29 Riverside 3 mi. W of Morongo Valley along Hwy. Comment
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Oct 22 2014
  CAS-BOT-BC353617  Psorothamnus emoryi S. B. Parish 1896-4-1 4112 Riverside Palm Springs, Colorado Desert Comment
  CAS-BOT-BC353643  Psorothamnus emoryi E. R. Johnson 1928-6-8 s.n Riverside along highway south of Mecca, west side of Salton Sea Comment
  UCD108314  Psorothamnus emoryi L. S. Rose 1935-12-10 s.n. Riverside Palm Springs, Colorado Desert. 138 Comment
  UCR161370  Psorothamnus emoryi Mark A. Elvin 2005-4-25 4221 Riverside Northern Sonoarn Desert, Coachella Valley; N of Palm Springs; N of 110; south of Dillon Road; east of Indian Avenue 244 Comment
  SBBG3318  Psorothamnus schottii M. A. Piehl 1963-6-1 63532 Riverside St Hwy 74, 7.6 mi NE of Pinyon Flat cmpgrd (S of Palm Desert) 731 Comment
  UCR124002  Psorothamnus schottii George K. Helmkamp, E. A. Helmkamp 2001-4-14 6463 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  CDA27787  Psorothamnus spinosus W. E. Henson Jul 1932 Riverside Coachella Valley. 0 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
  RSA33869  Pteridium aquilinum var. pubescens Norman C. Cooper 1943-9-11 915 Riverside Dr. Robert L. Rutherford's Lot, Idlewild, 1676 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
  RSA263786  Pulicaria hispanica Margaret Hardinge, Crooks 1961-9-6 311 Riverside Santa Ana canyon; Davenport Ranch on Hwy 91 Comment
  CLARK-A1528-822  Purshia glandulosa Charlotte Stocks 1964-7-26 Riverside Pinyon Crest 1066 Comment
  RSA775121  Purshia tridentata var. glandulosa Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5027 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
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May 22 2012
  POM256952  Quercus X morehus W. Pequegnat 1940-6-15 s.n. Riverside Between Horsethief and Rice Canyon, Santa Ana Mts. 1250 Comment
  SBBG119788  Quercus X munzii D. H. Wilken 2005-10-1 Riverside Live Oak Tank, ca. 1 km NE of Jumbo Rocks 1290 Comment
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Nov 6 2011
  SEINET13953033 Image available Quercus agrifolia Martha P. Creighton 1952-1 464 Riverside 12 miles east of Hemet Comment
  RSA0081317  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812 -32 Riverside Western Riverside County: Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero. 752 Comment
  RSA575898  Quercus berberidifolia Steve Boyd 1994-10-14 8399 Riverside San Mateo Canyon Widerness Area of the Cleveland Nat'l Forest. San Mateo Canyon along San Mateo Trail between N branch of Tenaja Trail and Fishermans Camp. 427 Comment
  UCR132706  Quercus berberidifolia A. C. Sanders, T. B. Salvato 2004-2-16 27392 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, summit of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 451 Comment
  UCR214682  Quercus berberidifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37712 B Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, along dirt road north of Concordia Ranch Rd, and east of Black Powder Rd. 379 Comment
  UCR241939  Quercus berberidifolia A. C. Sanders, Timothy W. Chumley 2013-4-5 40776 Riverside Peninsular Range, Temescal Canyon, east of Glen Ivy near where Temescal Canyon Rd. passes under I-15 318 Comment
  CAS-BOT-BC45769  Quercus cornelius-mulleri B. Trowbridge 1979-4-17 6096 Riverside Hiden Valley, Joshua Tree National Monument 914 Comment
  RSA296121  Quercus cornelius-mulleri Barry A. Prigge 1980-8-11 3892 Riverside Whitewater Canyon: 3.2 miles upstream from trout farm. 854 Comment
  UCR117256  Quercus cornelius-mulleri A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22288 Riverside San Jacinto Mtns., along Hwy 74, 4.4 mi. east of Hwy 371 junction to Anza, just east of Vandeventer Flat 1387 Comment
  SDSU6970  Quercus dumosa H. Wedberg 1962-4-20 905 Riverside 13.4 miles from Hwy 79 in Hemet, and 5.5 miles from Cranston Ranger station on road to Idyllwild. 914 Comment
  UC848095  Quercus kelloggii P. A. Munz 1922-7-2 5943 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  UCD47106  Quercus palmeri Rudolph Fischer 1965-10-8 4 Riverside East foothills of Thomas Mountain, Santa Rosa range, State Highway 74, ca. 10 miles south of Keen Camp, Riverside County, California. 1341 Comment
  RSA479919  Quercus wislizeni Steve Boyd 1987-11-23 2096 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  JOTR32438  Rafinesquia neomexicana La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2269 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; near Squaw Tank; sandy flats among large granitic boulders and foothills (Stop 2) 1063 Comment
  UCR104018  Rafinesquia neomexicana George K. Helmkamp 1998-4-4 3141 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA180484  Ranunculus californicus E. W. Lathrop 1960-4-15 4754 Riverside 14 miles west of Murrieta, in low valley pasture in Tenaja Canyon. 610 Comment
  RSA667022  Ranunculus hebecarpus Scott D. White, Dave Bramlet 1999-4-22 7233 Riverside Lake Skinner area: Ridgetop, north-, west-, and northwest facing slopes of Bachelor Mtn. 549 Comment
  UCR207340  Ranunculus muricatus O. F. Clarke 2004-3-22 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR20915  Ranunculus sceleratus A. C. Sanders 1978-7-5 575 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  SD121810  Rhamnus ilicifolia Ward B. Holt 1941-10-23 18 1941 Riverside Open area, large sandy wash, near Split Rock, Joshua Tree National Monument Comment
  UCR117097  Rhamnus ilicifolia A. C. Sanders, T. B. Salvato 2001-5-16 24290 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR270307  Rhamnus ilicifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8375 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCR270562  Rhamnus ilicifolia John F. Emmel 1998-5-2 1543 Riverside San Jacinto Mtns., SW foothills, Bautista Canyon, 0.4-0.5 road mile SE of national forest boundary 723 Comment
  RSA764118  Rhamnus tomentella Linda M. Prince, Duncan S. Bell 2009-6-17 583 Riverside Cleveland National Forest Comment
  CLARK-A1528-2685  Rhododendron occidentale John C. Roos 1941-8-2 79 Riverside San Jacinto Mountains Comment
  RSA761271  Rhododendron occidentale Shawn Krosnick, Naomi Fraga, Lucinda A. McDade 2010-8-14 761 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR169494  Rhus aromatica T. B. Salvato, John F. Green 2004-5-27 593 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  CAS-BOT-BC167965  Rhus ovata H. S. Gentry 1954-7-25 14245 Riverside NW. of Aguanga along road to Sage Comment
  CAS-BOT-BC478189  Rhus ovata A. C. Sanders; Jeff Crain; Nina Kidd 2015-5-19 41730 Riverside Temesal Canyon, hilltop above DePalma Road, about mid way between Horse Thief Canyon Road and Glen Eden Road 399 Comment
  POM210815  Rhus ovata Victor Duran 1933-7-3 3498 Riverside 2 miles east of Pinyon Flat, Santa Rosa Mountains. 1067 Comment
  UCR97486  Rhus ovata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19859 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA714380  Rhus trilobata T. B. Salvato 2004-5-27 593 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  SEINET244848  Rhus trilobata A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24925 Riverside The Badlands; Hills and canyons west of Laborde Canyon, 1 mi NE of Eden Hot Springs, SW of Beaumont Comment
  CAS-BOT-BC93064  Ribes californicum var. hesperium John Thomas Howell 1931-5-30 6597 Riverside Santiago Peak Trail, Santa Ana Mountains. Comment
  POM12861  Ribes cereum P. A. Munz 1922-6-28 5878 Riverside Ridge west of Toro Peak. 2409 Comment
  CAS-BOT-BC173133  Ribes indecorum Clarence R. Quick 1931-2-16 s.n. Riverside Temecula Comment
  CAS-BOT-BC173139  Ribes indecorum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23111 Riverside 10 miles n. of Pala, along road to Elsinore Comment
  RSA1173  Ribes indecorum B. D. Stark 1930-3-18 1487 c Riverside 1/2 way up west side of Mt San Jacinto. Comment
  RSA221071  Ribes indecorum E. W. Lathrop 1966-3-23 6113 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  SD186332  Ribes indecorum A. C. Sanders 2004-4-20 27555 Riverside Santa Ana Mountains: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line (Fallbrook 7.5'Q) 640 Comment
  SEINET13942523 Image available Ribes indecorum C. L. Hitchcock, C. V. Muhlick 1964-1 23111 Riverside 10 miles N of Pala, along road to Elsinore Comment
  RSA0022091  Ribes montigenum J. C. Roos 1963-9-8 s.n. Riverside Round Valley, San Jacinto Mts. 2774 Comment
  UC11633  Ribes nevadense H. M. Hall May 1899 Riverside Strawberry Valley San Jacinto Mountains Comment
  CAS-BOT-BC212235  Ribes quercetorum Philip A. Munz 1937-5-31 15120 Riverside Anza Tablet, head of Coyote Canyon, S.W. Riverside County 1066 Comment
  UC1127543  Ribes roezlii R. St. John 1929-5-21 28 Riverside Keen Camp San Jacinto Quadrangle 1219 Comment
  RSA662126  Ricinus communis Daniel Curran 1981-2-16 19 Riverside Lake Matthews Drive, 5.8 miles from junction with Cajalco Rd. Comment
  SD1956  Rorippa nasturtium-aquaticum Frank Stephens 1926-1 Riverside Aguanga Comment
  RSA220998  Rubus ursinus E. W. Lathrop 1966-3-30 6122 Riverside Mail Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  UCR199625  Rubus ursinus Scott D. White 2004-4-26 10260 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UC6936  Rumex conglomeratus Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR199646  Rumex maritimus Justin M. Wood 2008-7-16 39 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  CAS-BOT-BC433960  Rumex salicifolius Steve Boyd 1992-4-15 6874 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek. 487 Comment
  POM19661  Rumex salicifolius var. salicifolius Mary F. Spencer 1923-1 2237 Riverside Idyllwild, San Jacinto mts. 1646 Comment
  RSA605749  Sagina apetala A. C. Sanders 1996-3-17 17985 Riverside Coachella Valley: Palm Springs, mouth of Palm Canyon, ca. 0.5km E of Palm Canyon Dr. on Bogert trail. 163 Comment
  UCR157941  Sagina apetala T. B. Salvato, A. C. Sanders 2005-5-17 923 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
  UCSB1860  Sagina decumbens subsp. occidentalis Haller, John 1950-5-21 Riverside San Jacinto Mtns.; near notheast shore of Hemet Lake 1463 Comment
  CAS-BOT-BC445714  Sagittaria latifolia A. C. Sanders; Mitch Provance; T. B. Salvato 2000-10-5 23720 Riverside Santa Ana River Valley: Hidden Valley Wildlife Area, ca. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco. 191 Comment
  JEPS62514  Salazaria mexicana W. L. Jepson 1901-5-22 1383 Riverside Palm Canyon and return to Van Deventer's; Palm Canyon, Van Deventer's 914 Comment
  RSA775299  Salazaria mexicana Duncan S. Bell 2011-3-18 2058 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  UCR35341  Salazaria mexicana L. B. Ziegler 1967-6-8 152 Riverside San Jacinto Mtns., Pinyon Flats 1223 Comment
  UC7469  Salicornia subterminalis H. M. Hall 1899-6-2 Riverside near Perris (along San Jacinto River); San Jacinto River Comment
  CAS-BOT-BC129745  Salix bonplandiana Lathrop; Thorne 1967-9-26 6668 Riverside Lome Linda, 4 mi. NW of Murrieta Comment
  UCR92246  Salix exigua Scott D. White 1995-7-7 3450 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA0030829  Salix exigua Norman C. Cooper 1944-4-8 1057 Riverside Andreas Canyon. 304 Comment
  LA208620  Salix exigua var. exigua Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  SBBG58926  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  LA208657  Salix gooddingii Philip A. Munz; 1932-3-24 12032 Riverside N of Elsinore 304 Comment
  SBBG58895  Salix gooddingii F. R. Fosberg 1932-3-13 8081 Riverside Thousand Palms Cyn Comment
  UCR140699  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  SEINET10539067  Salix gooddingii David B. Dunn, A. Folsom 1948-6-17 Dunn 3792 Riverside At camp in pushawalla canyon under palms. Indio hills. Colorado desert. Comment
  CLARK-A1528-4054  Salix hindsiana var. leucodendroides John C. Roos 1937-5-23 617 Riverside Riverside Comment
  RSA191446  Salix laevigata E. W. Lathrop, Robert F. Thorne 1967-9-26 6633 Riverside 6 miles NW of Murrieta. Comment
  UC506453  Salix laevigata Carl Hedin and Joseph Ewan 1932-7-9 7678 Riverside near Prado (below Corona); China Creek Comment
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Dec 11 2011
  POM50388  Salix lasiolepis W. W. Eggleston 1924-3-10 19540 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  UCR121088  Salix lasiolepis A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24972 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR109573  Salsola tragus G. S. Nuessly 1980-10-16 s.n. Riverside Coachella Valley, Indio, SE corner of Kenner Ave. and Monroe St., between Fred Waring Dr. (Ave 44) and the Whitewater River Channel 0 Comment
  RSA562456  Salvia apiana Steve Boyd, T. S. Ross 1992-5-5 7233 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  SEINET3225666 Image available Salvia apiana C. L. Hitchcock 1940-4-12 6045 Riverside 8 mi. northwest of Elsinore. 460 Comment
  UCR90393  Salvia apiana D. L. Banks, Steve Boyd 1995-5-9 0349 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 793 Comment
  POM7001  Salvia carduacea P. A. Munz, L. T. Street, G. Williams 1919-3-28 2459 Riverside Palm Springs. 701 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
  SD138854  Salvia clevelandii Craig Reiser 1993-5-17 Riverside Agua Tibia Wilderness Area, south of Woodchuck Campground and Highway 79 (mak 8/06) Comment
  RSA180506  Salvia columbariae E. W. Lathrop 1960-5-27 5226 Riverside 6 miles west of Murrieta. Comment
  RSA401487A  Salvia columbariae H. de Forest, Freda Detmers 1933-3-25 s.n. Riverside Between Banning and Cabazon Comment
  RSA676116  Salvia columbariae Scott D. White 2001-4-3 8253 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA766613  Salvia columbariae Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-27 173 Riverside Mecca Hill Wilderness. Wash Route off Hwy 195/ Box Canyon Rd. Near wilderness boundary. 366 Comment
  SEINET270812  Salvia columbariae Richard J. Shaw 1958-4-6 1097 Riverside Joshua Tree National Monument ; Road between White Tank Campground and South Entrance 610 Comment
  UCR164289  Salvia columbariae S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  UCR226056  Salvia columbariae A. C. Sanders, Nathan Moorhatch 2011-3-22 38773 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  HSC49196  Salvia columbariae var. columbariae D. L. Goforth 1979-4-11 105 Riverside 1 km N of junction of Hwy. 10 and S entrance road to Joshua Tree National Monument 518 Comment
  LA69691  Salvia eremostachya Elizabeth McClintock; 1941-5-30 sn Riverside Coyote Canyon, near Tule Creek Comment
  LA69707  Salvia eremostachya Carl Epling; L. Haines 1937-5-7 sn Riverside .6 mi. below Shumway Road, Palms to Pines Highway Comment
  UCSB8075  Salvia eremostachya MacLean, S. 1963-5-6 Riverside Calif Hwy 74; 10.2 miles SW of Palm Desert 637 Comment
  UCR42410  Salvia greatae J. M. Stewart 1986-1-26 86- 8 Riverside Sonoran (Colorado) Desert, south fork of Hidden Spring Canyon, Mecca Hills Comment
  RSA666647  Salvia mellifera A. C. Sanders, Kent Beaman 2002-5-10 25046 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  UC104491  Salvia pachyphylla C. R. Orcutt 1896-7-30 2107 Riverside Summit of Tauquitz Peak; San Jacinto Mts. Comment
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Sep 7 2011
  POM12930  Salvia pachyphylla subsp. pachyphylla P. A. Munz 1922-6-25 5813 Riverside Santa Rosa Mountains; Road to Santa Rosa. 1524 Comment
  SD232709  Salvia vaseyi A. C. Sanders, K. Rose 1995-4-27 16736 Riverside Coachella Valley: foot of the Little San Bernardino Mtns. Canyon E of Fan Hill just outside Joshua Tree nat. Park. 550 Comment
  UC1552639  Sanicula arguta B. Pitzer and E. Misquez 1988-2-28 628 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro 426 Comment
  RSA781360  Sanicula bipinnatifida A. C. Sanders, T. B. Salvato 2011-4-1 38957 Riverside Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  RSA543856  Sanicula crassicaulis Steve Boyd, Orlando Mistretta 1991-5-22 6309 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  SEINET10636258  Sanicula crassicaulis Greg Gust, Leith Nye 2005-3-12 Gust 558 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  UCR160690  Sanicula crassicaulis John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  JEPS970  Sanicula tuberosa S. B. Parish 1891-4-1 Riverside Reche Canyon; Southern California, Reche Canyon Comment
  RSA570234  Sanicula tuberosa Steve Boyd, Timothy S. Ross 1993-3-23 7908 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Small area of native grassland on break in slope, west side of trail extending south from end of Woodchuck Road. 732 Comment
  SD152964  Sanicula tuberosa Steve Boyd 1992-4-15 6863 Riverside Sant Ana Mountains, San Mateo Canyon Wilderness Area; Bluewater Canyon along Bluewater Tr. Downstream to the confluence with San Mateo Creek. 334 Comment
  LA202870  Sarcostemma cynanchoides subsp. hartwegii Unknown; 1951-5-26 sn Riverside San Jacinto Canyon, Cranston Ranger station Comment
  UCR42486  Sarcostemma hirtellum J. Hogan 1975-5-20 149 Riverside Mojave Desert, 3.5 mi. west of Pinyon Well, Pushawalla Canyon, Joshua Tree National Monument 1100 Comment
  CAS-BOT-BC239934  Schismus arabicus Catherine A. Toschi 1963-4-10 63 :119 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  UCR214554  Schismus arabicus A. C. Sanders 2010-3-15 37404 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  SD137942  Schismus barbatus Darin L. Banks 1995-5-9 368 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of the Woodchuck Campground 792 Comment
  SEINET6190224 Image available Schismus barbatus Orlando Mistretta, D. Bell, J. Beckman, J. England, K. Kane, J. Hall, C. McDonald, L. Reccia, L. Rodriguez, A. Sall, T. Tennant. 2010-1 4464 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 488 Comment
  UCR125217  Schismus barbatus Mitch Provance 1998-5-5 523 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal Ofc. 250 Comment
  UCR133366  Schismus barbatus Tracy Tennant, J. S. Ross 1998-5-7 MOR- 95 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR91432  Schismus barbatus Scott D. White 1995-3-30 2643 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCR140700  Schoenoplectus acutus var. occidentalis A. C. Sanders 2004-5-12 27865 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR111565  Schoenoplectus pungens var. longispicatus Mitch Provance 1999-5-4 1692 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  SD233952  Scrophularia californica Jennifer H. Jones 2006-4-7 262 Riverside Peninsular Ranges: Box Springs Mtns Reserve; a couple hundred feet up hill E of service road, just SE of the parking lot (Riverside East 7.5'Q). 732 Comment
  UCR35330  Scutellaria bolanderi subsp. austromontana L. B. Ziegler 1964-7-26 28 Riverside San Jacinto Mtns., Upper May Valley 1616 Comment
  POM12857  Scutellaria siphocampyloides P. A. Munz 1922-6-27 5854 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  SD28110  Scutellaria siphocampyloides Carl B. Wolf 1932-8-4 Riverside San Jacinto Mts. Point view, near Idyllwild 1646 Comment
  UCSB26796  Scutellaria siphocampyloides Wilken, Dieter 1969-6-30 Riverside California State Highway 74; 0.5 miles west of Keen Camp Summit; San Jacinto Mtns Comment
  RSA4389  Scutellaria tuberosa Dorothy R. Wolf 1932-5-20 33 Riverside Richman Ranch, 2.5 miles N of De Luz. 457 Comment
  UCR107782  Secale cereale D. L. Banks 1997-5-5 2026 Riverside Agua Tibia Mtns, NW Palomar Mtns: Pechanga Indian Reservation, north of casino, approximately 100 m south of the intersection of Pala Road and Wolf Valley Road 335 Comment
  RSA388060  Selaginella bigelovii Steve Boyd 1985-12-24 1195 Riverside Gavilan Hills, Hartford Springs County Park, at south end of park. Comment
  SD138963  Selaginella bigelovii Craig Reiser 1993-3-19 Riverside Near Highway 62 west of Morongo Valley Comment
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Feb 29 2008
  SEINET10971467  Selaginella bigelovii George Engelmann 1880-11-11 Engelmann s.n. 1880 Riverside Whitewater near San Gorgonia Pass, rocky hillsides. Comment
  RSA500984  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3103 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  SBBG101727  Senecio californicus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6070 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UCR34950  Senecio californicus L. B. Ziegler 1969-5-27 367 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  CAS-BOT-BC323991  Senecio flaccidus var. douglasii C. B. Wolf 1931-10-14 2461 Riverside Roadside at Cabezon, San Gorgonio Pass.. 518 Comment
  CDA8626  Senecio flaccidus var. douglasii T. C. Fuller, T. Suzuki 1958-9-26 Riverside Cherry Valley. 0 Comment
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Oct 1 2014
  UC91464  Senecio flaccidus var. douglasii J. W. Toumey 1894-9-27 71 Riverside Banning Comment
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Mar 13 2011
  RSA0124179  Senecio flaccidus var. douglasii N. C. Cooper 1944-7-15 1604 Riverside Palms to Pines Hwy, San Jacinto Mountain. 701 Comment
  UCR41458  Senecio mohavensis A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6137 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  CAS-BOT-BC364530  Senecio vulgaris Fred Reed 1925-3-1 4955 Riverside Chicago Ave., Riverside 274 Comment
  CLARK-A1528-2093  Senecio vulgaris John C. Roos 1967-2-7 Riverside Hemet Comment
  UCR97474  Senecio vulgaris A. C. Sanders 1997-3-1 19703 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  SD229142  Senegalia greggii Dick Schwenkmeyer 2013-6-11 920 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  UC2013409  Sequoiadendron giganteum Rudolf Schmid and Mena J. Schmid 2009-5-1 2009 -2 Riverside NW San Jacinto Mountains NE of Highway 243 ca. 16 Highway km NW of Idyllwild, in the S unit of the San Bernardino National Forest, on SW, flank of Black Mountain (summit). Just right (as ascending) of Black Mountain Trail on slope covered with Pteridium aquilinum and near drainage (Indian Creek), uppermost Hall Canyon. Comment
  RSA487825  Setaria adhaerens A. C. Sanders 1988-11-6 8740 Riverside Coachella Valley, W side of Hwy 86, 6.25 mi. S of it's junction with hwy 111 in Coachella and 3.85 mi. n of Valerie Jean, 0.55 mi. N of ave 60. -11 Comment
  RSA614623  Sidalcea malviflora subsp. sparsifolia D. L. Banks 1997-3-29 1573 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
  SEINET3451372  Sidalcea malviflora subsp. sparsifolia Steven R. Hill, Andrew C. Sanders 2001-5-4 33717 Riverside Santa Rosa Plateau, Santa Rosa Plateau, eastern rim, 2 miles west of the junction of Rancho California Road and interstate 15, north side of Avenida del Oro, just east of the junction with Sandia Creek Drive 470 Comment
  SEINET6947339  Sidalcea sparsifolia W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside West end of Long Valley Road, just north of Temecula. Comment
  SEINET4176382  Sidotheca trilobata J. L. Reveal, B. J. Ertter 1976-6-30 4567 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4 miles south of California Highway 74 1737 Comment
  UCR79227  Silene antirrhina Steve Boyd 1992-4-15 6876 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness: Bluewater Canyon along Bluewater Trail, downstream to the confluence with San Mateo Creek 488 Comment
  SBBG33799  Silene parishii R. Moran 1968-8-3 15369 Riverside N slope, 1 mi W of summit, Santa Rosa Mtn 2150 Comment
  RSA627511  Silene verecunda subsp. platyota Scott D. White, Julie Greene 1998-8-1 6960 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  UC1929483  Silene verecunda subsp. platyota Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1701 Riverside Peninsular Ranges; San Jacinto Mountains region; Junction of Dark Canyon and Fuller Mill Creek. Comment
  CAS-BOT-BC202937  Simmondsia chinensis P. C. Everett 1939-7-7 9524 Riverside North of Temecula-Aguanga Rd. on road to Hemet 762 Comment
  HSC99156  Simmondsia chinensis Paul J. CaraDonna 2009-3-17 127 Riverside Cotton Wood Creek Campground area, Joshua Tree National Park. Comment
  RSA0124803  Simmondsia chinensis Duncan S. Bell, LeRoy Gross 2016-3-31 9198 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  RSA701092  Simmondsia chinensis Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11270 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's