Search Results — 2000 specimen records retrieved (1892 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
  UC64453  Abies concolor W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1304 Riverside Strawberry V. San Jacinto Mt., Strawberry V. 1676 Comment
  RSA0051596  Abies concolor Mike Thornburg 1977-5-29 s.n. Riverside San Jacinto Nat'l. Forest, Reeds Camp. 2438 Comment
  SDSU13664  Abronia umbellata var. umbellata W. Miller Riverside Comment
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Feb 2 2019
  CAS-BOT-BC229333  Abronia villosa J. Von Loh 1978-1-23 3297 Riverside Palo Verde Mesa, 12 mi SW of Blythe 121 Comment
  CAS-BOT-BC229352  Abronia villosa L. R. Abrams 1926-3-26 11023 Riverside Palm Springs Comment
  CAS-BOT-BC229366  Abronia villosa Ira L. Wiggins 1941-3-24 9568 Riverside 0.3 mile south of Myoma, 4.6 miles north of Indio Comment
  CSUSB577  Abronia villosa P. A. Rauch 1966-2-19 Riverside 2 miles east of 1000 Palms Canyon at dirt road to Hidden Springs Ranch. 60 Comment
  RSA652382  Abronia villosa R. Garner 1974-7-1 s.n. Riverside San Jacinto Mts. Comment
  SEINET3092168 Image available Abronia villosa John Adams 1965-4-17 124 Riverside Hwy 111, 2 mi. E of Palm Springs near foothills. Comment
  SFV1117  Abronia villosa M. L. Vincent, R. H. Swade 1963-10-19 451 Riverside Colorado Desert Snow Creek Road, 1 mile from its intersection with California State Highway 111. 366 Comment
  UCR103570  Abronia villosa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2712 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  POM727  Abronia villosa var. aurita P. A. Munz 1918-4-27 2131 Riverside Temescal Canyon. Comment
  RSA652385  Abronia villosa var. aurita Jim M. Morrow 1959-5-24 s.n. Riverside Edge of old Hwy 71, Temescal Canyon. Near Alber hill. 305 Comment
  SD233324  Abronia villosa var. aurita Duncan S. Bell 2012-4-5 3313 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. In the vicinity of the Desert Lily Sanctuary. 160 Comment
  HSC101275  Abronia villosa var. villosa Jim Andre 2012-3-19 21344 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  UC1922399  Abronia villosa var. villosa Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1420 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  UCR113535  Acacia saligna Mitch Provance 2000-9-15 2245 Riverside W La Loma Hills, corner of Center Street and Orange Street 256 Comment
  UCR133964  Acamptopappus sphaerocephalus Mitch Provance, J. S. Ross 1998-3-27 MOR- 957 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  SBBG122757  Achnatherum coronatum A. Parikh 1990-5-10 165 Riverside S shore of Diamond Valley Lake, 3.4 km S of jct of Warren and Simpson Rds, 4.9 km E of Winchester Rd 543 Comment
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Apr 23 2011
  SEINET4692067 Image available Achnatherum coronatum J. C. Roos 1950-1 4817 Riverside Hills NE of summit of Reche Canyon 762 Comment
  RSA479851  Achyronychia cooperi L. F. La Pre 1988-4-1 s.n. Riverside Colorado Desert, Palo Verde Mesa, W of Blythe. South of Hwy 1-10 at the W end of 16th St. (approx sec. 4) 99 Comment
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Dec 14 2007
  SBBG3389  Acmispon argophyllus var. argophyllus H. and M. Dearing 1942-3-17 4835 Riverside Dos Palmas Cyn near Palms to Pines Hwy Comment
  SBBG56033  Acmispon argophyllus var. argophyllus B. Gustafson 1977-4-7 5586 Riverside Whitewater Cyn Rd, near start of Pacific Crest Trail 609 Comment
  SBBG119997  Acmispon brachycarpus A. C. Sanders, K. Volansky 2005-3-17 29213 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
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Apr 2 2011
  RSA0121433  Acmispon glaber var. glaber Duncan S. Bell, LeRoy Gross 2016-3-30 9142 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
  RSA801954  Acmispon grandiflorus var. grandiflorus LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6156 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  UCR244431  Acmispon rigidus Jim Andre 2012-4-16 20964 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  SBBG45496  Acmispon strigosus Leota Davidson 1966-4-6 474 A Riverside Wiley Well Rd S of second intersection, Chuckawalla Mtns, 18 mi W of Blythe 213 Comment
  SBBG53747  Acmispon strigosus S. Boyd 1980-5-2 Riverside Harford Springs County Park, on the NW corner of the Gavilan Plateau Comment
  CAS-BOT-BC29187  Acourtia microcephala A. M. White 1974-6-5 1421 Riverside Indian Canyon Road 548 Comment
  SEINET2045687 Image available Acroptilon repens Howard Scott Gentry 1948-6 8176 Riverside Gentry Farm, ca. 3 mi NE of Murrieta. Comment
  CAS-BOT-BC22561  Adenophyllum porophylloides P. A. Munz 1932-4-24 12395 Riverside Snow Creek Canyon, San Jacinto Mountains 457 Comment
  RSA721885  Adenophyllum porophylloides J. Mark Porter, Orlando Mistretta 2003-6-5 13619 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  UC1329853  Adenophyllum porophylloides James E. Cole 1941-5-23 778 Riverside tank, split rock area Ivanpah; Joshua Tree National Monument 1280 Comment
  RSA736705  Adenostoma fasciculatum Scott D. White 2004-4-26 10244 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  RSA615330  Adenostoma fasciculatum var. fasciculatum Scott D. White 1997-5-25 5245 -a Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing at ca. 3200 ft. 793 Comment
  SBBG113412  Adenostoma sparsifolium D. Wilken with E. Painter 2000-11-4 15869 Riverside St Hwy 71, ca. 4 mi E of Anza, N of Burnt Valley, SE base of Thomas Mtn 1400 Comment
  UC403963  Adenostoma sparsifolium C. Van Deventer Aug 1903 Riverside San Jacinto Mt. Region Comment
  POM177872  Adiantum jordanii Marcus E. Jones 1930-3-5 26524 Riverside Glen Ivy Comment
  RSA612814  Adiantum jordanii Darin L. Banks 1997-3-1 1355 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  IRVC3990  Agave deserti R. H. Whittaker, W. A. Niering 1963-6-1 SJ 144 Riverside Palms to Pines Hwy., slope draw. Santa Rosa Mountains 701 Comment
  POM11495  Agave deserti subsp. deserti Philip A. Munz 1922-7-1 5942 Riverside 1 mile SE of Old Nicholas Canyon. Santa Rosa Mtns. 1463 Comment
  RSA221017  Agoseris grandiflora var. grandiflora E. W. Lathrop 1966-5-26 6345 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  JEPS73944  Agrostis idahoensis Carl V. Meyer 1928-7-27 861 Riverside Round Valley San Jacinto Mts. Comment
  SD232137  Agrostis stolonifera Scott D. White, Justin M. Wood 2008-7-9 12405 Riverside San Jacinto Mountains, Johnson Meadow 1415 Comment
  SEINET1004535 Image available Agrostis viridis J. S. Ross, T. B. Salvato 1998-1 MOR- 316 -A Riverside San Bernardino Mtns. Region: Morongo Indian Reservation, Lion Canyon, ca. 3.5 miles NNW of Cabazon 853 Comment
  RSA708928  Ailanthus altissima Scott D. White, Justin M. Wood 2005-10-4 11239 Riverside San Gorgonio Pass: Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  UCR220306  Albizia julibrissin Bill Wagner 2005-10-7 s.n. Riverside Peninsular Range; Gavilan Hills Region, Cajalco Flood Control Basin site (proposed, since constructed), at NE corner of El Sobrante Rd. and Cajalco Rd. 447 Comment
  UCR80519  Alchemilla occidentalis D. E. Bramlet, M. Zalejko 1991-5-1 2108 Riverside Shipley Multi-Species Reserve, small valley some 2 km south of Crown Valley and 1.3 km east of Rawson Canyon, 167m SE of knoll 2283 ft., on a N facing slope above a blue-line stream 707 Comment
  UCR49370  Allenrolfea occidentalis Theo Glenn 1984-10-15 s.n. Riverside Sonoran (Colorado) Desert, Whitewater River Delta at N end of Salton Sea Comment
  POM13990  Allionia incarnata P. A. Munz, D. D. Keck 1922-4-9 4896 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  POM98810  Allionia incarnata P. A. Munz 1926-1-31 9957 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA69991  Allionia incarnata F. W. Peirson 1919-4-13 1849 Riverside Tahquitz Canyon stream, near Palm Springs. Comment
  UCR90327  Allionia incarnata Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  RSA0078221  Allionia incarnata var. incarnata Sarah J. De Groot, Amy Rouillard 2015-9-15 7559 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  JOTR32471  Allium denticulatum Harding, Mitzi 2011-5-13 18 Riverside Joshua Tree National Park. Little San Bernardino Mountains; near Ryan Mountain trailhead 1341 Comment
  RSA70222  Allium haematochiton F. W. Peirson 1921-3-19 2394 Riverside 4 miles west of Beaumont, on road to Redlands. Comment
  UC154668  Allium marvinii Rensselaer J. Smith May 300 Riverside Beaumont Hills Comment
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Apr 2 2011
  RSA574739  Allium munzii Steve Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, Temescal Canyon west of Horsethief Wash, south of Lee Lake on terrace escarpments just south of Di Palma Road. 396 Comment
  RSA574748  Allium munzii Steve Boyd 1982-4-20 s.n. Riverside Gavilan Hills region, smal remnant of the Gavilan Plateau on ridge east of Estelle Mountain, south of head of Dawson Canyon. 671 Comment
  RSA582822  Allium parryi Mark A. Elvin, Orlando Mistretta 1995-6-1 44 Riverside San Jacinto Mountains: Garner Valley, off Fobes Ranch Road. 1375 Comment
  UC1537191  Allium praecox Gordon H. True Jr. 1935-2-20 8 Riverside Box Springs, mouth of Sycamore Canyon Sycamore Canyon, Box Springs 365 Comment
  RSA719474  Allophyllum divaricatum R. E. Riefner Jr. 2005-7-31 05 -573 Riverside Peninsular Ranges Province, Agua Tibia Moutains, SE of Temecula, Cleveland National Forest, Agua Tibia Wilderness, NW slope of Agua Tibia Mountain, ca. 1.5 mi WNW of Woodchuck Rd. 665 Comment
  UCR25034  Allophyllum divaricatum A. C. Sanders 1980-7-18 1663 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  RSA411101  Allophyllum glutinosum N. C. Cooper 1944-6-17 1407 Riverside San Jacinto Mountain. West side. 1372 Comment
  RSA522081  Allophyllum glutinosum Steve Boyd, T. S. Ross, Kyle A. Boyd 1989-6-24 3747 Riverside Vail Lake area, near summit of 'Little Oak' Mtn. along road. 627 Comment
  UC1080554  Allophyllum glutinosum Verne and Alva Grant 1951-6-4 16009 Riverside 2 mi. s. Temecula (on Hwy. 395) 335 Comment
  SACT002778  Alnus rhombifolia A. Delisle 1961-6-27 Riverside Within 5 feet of Dripping Wells Falls, right where water drips on the roots. Tree 25ft. Comment
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Aug 25 2013
  RSA736797  Amaranthus albus Scott D. White, Angelia Carey 2004-7-2 10567 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR108714  Amaranthus blitoides Scott D. White, Pam DeVries 1998-2-9 6075 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  RSA356654  Amaranthus californicus R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47308 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  JOTR30834  Amaranthus fimbriatus Andre, Jim, Tasha La Doux 2008-9-16 10706 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  RSA0080441  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7579 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Hillside along Dunn Road, between Asbestos Mountain and Haystack Mountain, east-northeast of Potrero Spring. 1220 Comment
  RSA2871  Amaranthus fimbriatus C. B. Wolf 1931-10-14 2455 ` Riverside Snow Creek 1/2 mi. below the Fish Hatchery N base of San Jacinto Mountains. 549 Comment
  UCR215452  Amaranthus torreyi Jim Andre, T. La Doux 2008-9-16 10686 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  UC135846  Amaranthus watsonii T. S. Brandegee 1901-4-3 Riverside Salton Creek Colorado Desert Comment
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Feb 3 2011
  OBI17114  Ambrosia acanthicarpa Lewis S. Rose 1966-12-11 66094 Riverside Palm Springs 152 Comment
  RSA33313  Ambrosia acanthicarpa N. C. Cooper 1943-10-9 958 Riverside Hemet. 305 Comment
  SEINET1076094 Image available Ambrosia acanthicarpa G. Helmkamp 1986-4-7 763 Riverside Canyon just E of and parallel to Highway 62; BLM land N of Indian Ave. 579 Comment
  JOTR28961  Ambrosia dumosa La Doux, Tasha 2005-3-30 1197 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM41494  Ambrosia dumosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA608660  Ambrosia dumosa R. S. Woglum 1937-04 298 Riverside Mojave Desert: Palm Springs. Comment
  SEINET3133458  Ambrosia dumosa S. B. Parish 1907-4-23 6092 Riverside W border of the Colorado desert; S CA 150 Comment
  SEINET3197209 Image available Ambrosia dumosa Mike Bell 2008-3-19 047 Riverside Sonoran (Colorado) Desert; Coachella Valley; 2 miles west of Desert Hot Springs, north of Pierson Blvd. and west of North Indian Canyon Dr. (Desert Hot Springs 7.5') 396 Comment
  UCD128788  Ambrosia dumosa William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  UCR34895  Ambrosia dumosa L. B. Ziegler 1973-3-6 495 Riverside San Jacinto Mtns, Desert side of Hwy 74, Carriso [Carrizo] Creek 765 Comment
  UCR89871  Ambrosia dumosa George K. Helmkamp 1994-3-8 41 2 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  LA28881  Ambrosia salsola P. J. Remple; 1942-3-1 ** Riverside near Palm Springs Comment
  OBI16027  Ambrosia salsola P. A. Holden 1969-3-29 675 Riverside Just west of Hwy 62 at foot of Morongo Grade 8 mi W of Desert Hot Springs 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
  SEINET10797866  Ambrosia salsola David B. Dunn 1946-3-15 Dunn 2042 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  SBBG25159  Ambrosia salsola var. salsola Leota Davidson 1965-5-14 113 Riverside Pinto Wash, Joshua Tree Nat Monument Comment
  UCD128859  Ambrosia salsola var. salsola D. L. Goforth 1979-4-11 103 Riverside 1km north of the junction of interstate 10 and the south entrance road to Joshual Tree National Monument. 518 Comment
  RSA783163  Amelanchier pallida J. D. Olmsted 1962-5-3 3515 Riverside Intersection of Pines to Palms Hwy and south access road to Thomas Moutain 1387 Comment
  POM13099  Amelanchier utahensis I. M. Johnston 1922-5-20 5488 Riverside Kenworthy 1418 Comment
  SD146229  Ammannia robusta A. C. Sanders, D. Bramlet et al 1999-10-15 23176 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. Comment
  JEPS35503  Amorpha californica var. californica C. V. Meyer 1928-7-27 569 Riverside Lower Tahquitz Valley San Jacinto Mts. Comment
  RSA787990  Amorpha californica var. californica Linda M. Prince, Duncan S. Bell 2009-6-17 s.n. Riverside Cleveland National Forest. Roadside. Comment
  UCSB33365  Amsinckia intermedia Marks, R. 1978-3-16 Riverside At top of hill 3/4 mi. W. of orange grove at 3000 McAllister Rd. in Riverside 457 Comment
  RSA689377  Amsinckia menziesii var. menziesii Scott D. White 2001-4-19 8384 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
  CAS-BOT-BC226260  Amsinckia retrorsa A. C. Sanders; Nathan Moorhatch 2011-3-22 38786 Riverside Peninsular Range; Perris-Aguanga Basin: Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  UCR180049  Amsinckia retrorsa Mitch Provance 2005-5-18 9807 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
  RSA779783  Amsinckia tessellata Duncan S. Bell 2010-4-2 692 Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  SD178189  Amsinckia tessellata A. C. Sanders 2005-4-22 29595 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. southeast of summit of Gavilan Peak. 625 Comment
  JOTR32429  Amsonia tomentosa La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2162 Riverside Joshua Tree National Park. North Hexie Mountains; large sandy side canyon draining into west Wilson Canyon with smaller braided ephemeral drainages running through 902 Comment
  UCR60837  Anagallis minima R. F. Thorne 1973-5-23 43855 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  RSA777336  Andropogon glomeratus var. scabriglumis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4505 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  POM153403  Anemopsis californica P. A. Munz, I. M. Johnston 1928-9-12 11302 Riverside Marsh, 1/2 mile N. of Temecula. Comment
  RSA700939  Anemopsis californica Michael Wall 2000-7-16 144 Riverside San Jacinto Valley: South side of Ramona Expressway, 0.5mi. E of Sanderson Ave. in swale along agricultural field fence. 457 Comment
  UC729851  Anemopsis californica Carl B. Wolf 1929-5-31 3738 Riverside 1 mi nw of Santa Ana River (6 mi from Corona on Chino Road) Comment
  IRVC3693  Angelica tomentosa R. H. Whittaker, W. A. Niering 1963-5-28 SJ 19 Riverside Below Idyllwild toward Mountain Center. Peninsular Ranges, San Jacinto Mountains 1524 Comment
  UC1929316  Anthriscus caucalis Scott D. White, Justin Wood 2008-4-16 11893 Riverside Perris Basin; Menifee Valley, N of Newport Rd. Drainage ditch down stream from golf course. 436 Comment
  JEPS5300  Antirrhinum coulterianum Carl V. Meyer 1929-6-13 755 Riverside Chalk Hill; San Jacinto Mts. 1524 Comment
  RSA171364  Antirrhinum coulterianum John Olmsted 1962-5-3 3523 Riverside Full sun on sandy arroyo bank along road from Santa Rosa Indian Reservation to old vilage, etc 1555 Comment
  SEINET3208901  Antirrhinum coulterianum G. Goodwin 2012-6-14 3457 Riverside San Jacinto Mountains, at vista south of Idyllwild adjacent to highway 243 1650 Comment
  UCR98685  Antirrhinum coulterianum S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  SBBG128625  Antirrhinum kelloggii S. R. Hill, A. C. Sanders 2001-5-4 33716 Riverside N side of Avenida del Oro, just E of jct with Sandia Crk Drive, 2 mi W of jct of Rancho California Rd and Interstate 15; E rim, Santa Rosa Plateau 478 Comment
  CAS-BOT-BC372463  Antirrhinum nuttallianum A. C. Sanders 2011-3-29 38843 Riverside Meadowbrook area between Perris and Lake Elsinore along Highway 74 at Wasson Canyon Road and to c. 1/2 between Wasson and Hammack Ave., Edge of Gavilan Hills, Lake Elsinore 7.5' Q., Southeastern Range 500 Comment
  UCR133647  Antirrhinum nuttallianum Michael D. Wilcox 2003-5-13 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA180395  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop 1960-6-8 4930 Riverside 14 miles west of Murrieta 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
  CLARK-A1528-1418  Apiastrum angustifolium John C. Roos 1938-3-28 728 Riverside La Sierra Comment
  RSA715197  Apiastrum angustifolium A. C. Sanders 2006-5-19 32388 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
  UC1262266  Apiastrum angustifolium C. W. Tilforth 1978-4-30 1571 Riverside e of Norco Comment
  RSA263646  Apium graveolens E. W. Lathrop 1966-5-8 6511 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  SD178140  Apocynum cannabinum A. C. Sanders 2004-5-12 27883 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. In moist soil at edge of riparian zone. 377 Comment
  RSA0025519  Arabis John F. Emmel 1986-4-12 994 Riverside Little San Bernardino Mtns: upper Berdoo Canyon. 1372 Comment
  RSA0128805  Arabis sparsiflora Duncan S. Bell, J. D. England 2010-6-4 1264 Riverside San Bernardino National Forest: Garner Valley, along forest service road 6S13 approximately 0.5 air mile west of junction of forest service road 6S04 and forest service road 6S13. 1372 Comment
  UCR174539  Arabis sparsiflora Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 357 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243 at turnout next to Soboba Penny Pines Plantation (c. 0.25 mi. above Bay Tree Spring) 1601 Comment
  RSA629382  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15084 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA629469  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16839 Riverside Hwy 243, 38 km N of Idyllwild. 1485 Comment
  UCR277896  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42674 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Tenaja Rd. at north foot of Redonda Mesa, 0.65 km west of intersection with Corona Calle Camino 680 Comment
  RSA543131  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, C. Boyd, K. A. Boyd 1991-3-16 5467 Riverside Cahuilla Mountain between Anza and Hemet, SW of Bautista Cyn. 1067 Comment
  UC876570  Arctostaphylos glandulosa subsp. zacaensis I. W. Clokey and E. G. Anderson 1935-4-16 7888 Riverside Hemet 900 Comment
  CAS-BOT-BC24666  Arctostaphylos glauca Lewis S. Rose 1927-2-4 s.n. Riverside Mt. San Jacinto near Banning. Comment
  JOTR32365  Arctostaphylos glauca La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2480 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Rocky outcrop and steep slopes above large drainage and spring (Stop 6) Comment
  RSA631836  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20174 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 4 km south of Pinyon Pines, Santa Rosa Mountains. 1430 Comment
  RSA632652  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16536 Riverside Red Mountain Road, 6-6.8 km east of R3. 1015 Comment
  RSA633650  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20131 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633737  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20108 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA635198  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-7-17 16775 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  UCR269233  Arctostaphylos pringlei A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42005 Riverside Peninsular Range; San Jacinto Mtns., Hwy 243 at Indian Vista Point, 0.9 km above (SE of) Lake Fulmor 1657 Comment
  RSA635637  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1978-9-16 7258 Riverside South of Twin Pines Ranch Rd. 1275 Comment
  RSA652425  Arctostaphylos pringlei subsp. drupacea Edward Kai 1970-5-21 s.n. Riverside Idyllwild off Hwy 74. 1524 Comment
  SFV2660  Arctostaphylos pringlei subsp. drupacea A. Thompson 1959-4-10 Riverside San Jacinto Mountains Along side San Gorgonio Road. 1799 Comment
Read comments
Jun 3 2013
  RSA636183  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19537 Riverside West of Temecula, north-facing slopes off Carancho Rd., 2.8 km west of Via Volcano, eastern Santa Margarita Mtns. 320 Comment
  SD180720  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 402 Riverside Santa Margarita Ecological Reserve, along A!Highlands TrailA(r) at northern rim of mesa-top. 654 Comment
  UCR12531  Arctotis fastuosa Charlene McHaney 1972-5-1 s.n. Riverside large field on Florida Street, Valle Vista, near Hemet 559 Comment
  UCR57230  Arenaria douglasii Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta, on clay hillside at edge of road below Mesa De Burro Comment
  RSA0045241  Argemone intermedia W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Desert Center. Comment
  RSA339663  Argythamnia serrata C. W. Tilforth 1980-5-28 54166 Riverside San Bernardino Mountains: Dry Colorado Desert slopes, S-facing and W-facing, N0S rocky rifge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 mile E of Whitewater Post Office. On rocky ridge at S end. Comment
  LA9309  Aristida adscensionis Louis C. Wheeler; 1931-11-26 373 Riverside Salton Bench Mark -15 Comment
  SEINET206299  Aristida adscensionis R. Bacigalupi, P Hutchinson 1958-2-19 6188 Riverside Western base of the Big Maria Mountains 9.4 miles north of Blythe. 168 Comment
  UCR200288  Aristida adscensionis Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11231 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR2159  Aristida adscensionis F. M. Reed 1920-3-25 4270 Riverside Sonoran (Colorado) Desert, Sand dunes near Indian Wells 30 Comment
  JOTR34349  Aristida purpurea var. nealleyi Andre, Jim 2012-4-11 20698 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  RSA545214  Artemisia californica R. F. Thorne 1970-10 41875 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  SBBG65501  Artemisia ludoviciana C. Bornstein 1994-5-2 Riverside Randolph Ranch, Joshua Tree Nat Monument 1280 Comment
  RSA356610  Artemisia ludoviciana subsp. ludoviciana R. F. Thorne 1966-10-15 41811 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  RSA23707  Artemisia tridentata R. S. Woglum 1937-10-20 1204 Riverside Santa Rosa Mountains Comment
  UCR6699  Arthrocnemum subterminale O. F. Clarke, Sue Freeman 1967-11-3 s.n. Riverside Perris Basin, c. 3 mi. north of Lakeview & c. 3 mi. SSE of Moreno 434 Comment
  SEINET270102  Arundo donax Miles Fellows 1984-9-25 Riverside Santa Ana river bed just north of Riverside Comment
  SJSU5188  Asclepias albicans L. M. Stotelmyre 1970-3-23 49 Riverside Coxcomb Mts, eastern Riverside County. 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
  RSA263780  Asclepias eriocarpa Herman 1954-6-24 s.n. Riverside Corona Foothills; dry hills. Comment
  UCR163056  Asclepias erosa B. G. Pitzer, G. R. Ballmer 2000-10-14 4234 Riverside Sonoran (Colorado) Desert, large wash c. 5.3 miles east of Ford Lake Rd. and 1 mile west of Wiley's Well Rd., off gasline road c. 200 yards south of Hwy I-10 115 Comment
  JEPS5077  Asclepias subulata W. L. Jepson 1928-4-23 12547 Riverside Shaver Well Colorado Desert Comment
  RSA0108822  Asclepias subulata Duncan S. Bell, Amanda Turek 2009-3-30 181 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA779723  Asclepias subulata Duncan S. Bell 2009-3-8 91 Riverside Arica Mountains: west side of mountain range in main western drainage approximately 2.5 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 420 Comment
  SEINET3081706 Image available Asclepias subulata E. R. Blakley 1961-9-10 4708 Riverside Cactus City on US Highway 60-70 east of Indio 504 Comment
  RSA653764  Aster hesperius Dr H. Baer 1923-9-24 s.n. Riverside Shore of Lake Elsinore Comment
  OBI35628  Astragalus coccineus Louis B. Ziegler 1969-4-20 337 Riverside Pinyon Flats-San Jacinto Mts 1250 Comment
  RSA415430  Astragalus coccineus Martha Hilend 1928-1-31 s.n Riverside N.W. of Pinto Basin, Colorado desert. Above new El Dorado mine. Comment
  POM26135  Astragalus crotalariae Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  SBBG3168  Astragalus crotalariae H. and M. Dearing 1949-12-3 4065 Riverside NE end of Salton Sea Comment
  CAS-BOT-BC182586  Astragalus didymocarpus var. dispermus Geo. B. Grant 1906-4-20 6711 Riverside Palm Springs Comment
  RSA90153  Astragalus didymocarpus var. dispermus F. W. Peirson 1922-4-29 2939 Riverside Dripping Spring, Temecula River, southwestern Riverside Co. 457 Comment
  LA204925  Astragalus didymocarpus var. obispoensis C. B. Wolf; 1935-4-7 6301 Riverside Gavilan Hills region, 2 mi. SW of Perris 426 Comment
  RSA85878  Astragalus didymocarpus var. obispoensis J. C. Roos 1952-4-30 5606 Riverside Hills between Camp Haan and Riverside 518 Comment
  CAS-BOT-BC178433  Astragalus douglasii var. parishii Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain. Comment
  CAS-BOT-BC178452  Astragalus douglasii var. parishii D. E. Breedlove 1961-5-6 465 Riverside 4.2 mi. SW of Viste Grande Guard Station on Riverside Highway 1 near Allendale Pines, San Jacinto Mtns. 1798 Comment
  RSA210969  Astragalus douglasii var. parishii C. W. Tilforth 1969-7-25 228 Riverside Arroyo Seco Creek, So. of Dripping Springs Camp Ground, c. 10 mi. E of Temecula. Comment
  RSA740944  Astragalus filipes Scott D. White, Justin M. Wood 2008-6-17 12183 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  CAS-BOT-BC187118  Astragalus lentiginosus var. borreganus L. R. Abrams 1926-3-26 11118 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  JEPS54701  Astragalus lentiginosus var. coachellae E. L. Adams 1926-1 Riverside Colorado Desert Comment
  CAS-BOT-BC194145  Astragalus pomonensis Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula Comment
  RSA12908  Astragalus pomonensis C. B. Wolf 1935-4-7 6298 Riverside 1 mile W of Val Verde in the Gavilan region. 488 Comment
  RSA415659  Astragalus pomonensis N. C. Cooper 1944-4-8 1055 Riverside Andreas Canyon. 305 Comment
  SEINET898385  Astragalus pomonensis Carl B. Wolf 1935-1 6298 Riverside Gavilan Hills region, 1 mi W of Val Verde 488 Comment
  UCR59516  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3572 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  CAS-BOT-BC98821  Atrichoseris platyphylla Aven Nelson; Ruth A. Nelson 1939-3-29 3328 Riverside Hidden Springs Canyon, near Mecca Comment
  CLARK-A1528-1617  Atrichoseris platyphylla John C. Roos 1966-3-26 Riverside Chuckwalla Mountains Comment
  RSA124444  Atrichoseris platyphylla Percy C. Everett, E. K. Balls 1958-4-29 23028 Riverside 10.5 miles W of New Cyama. 10.8 miles NE and N from Desert Center along road to Rice and Vidal jct 274 Comment
  UC68977  Atrichoseris platyphylla H. M. Hall Apr 1905 5834 Riverside near Mecca; Colorado Desert -45 Comment
  POM278684  Atriplex canescens Grant D. Brown 1950-3-29 522 Riverside 5 miles NW of Aguanga on Hyway #79. 548 Comment
  UC1584123  Atriplex coronata var. notatior D. Bramlet 1990-7-20 2054 Riverside in the Old San Jacinto River channel about 880 m ne of Davis Rd and some 400 sw first waterfowl pond (San Jacinto Wildlife Area, Old San Jacinto River Channel); Lakeview Quad., San Jacinto Wildlife Area, old San Jacinto R 476 Comment
  RSA0102804  Atriplex elegans var. fasciculata Duncan S. Bell, Kay Evelina Lewis-Jones, Isaac Marck, Evan Meyer 2015-4-23 8103 Riverside Rice Valley, to the east of the Arica Mountains, about 6 air miles south southeast of the ghost town of Rice. 211 Comment
  CAS-BOT-BC170252  Atriplex hymenelytra J. Beley 1974-2-21 73 -641 Riverside 1/2 mi. NE of tip of Coxcomb Mt. Comment
  JEPS90677  Atriplex pacifica D. Bramlet 1991-5-8 2132 Riverside 5.8 km w of Hemet (some 330 m sw of intersection of Florida and Warren, some 8 m w of Warren Road, across from Auto Boulevard) 500 Comment
  SBBG1783  Atriplex polycarpa H. and M. Dearing 1938-3-6 Riverside Box Cyn Comment
  RSA532571  Atriplex serenana var. davidsonii D. Bramlet 1991-6-1 2188 Riverside 5.8 km W of Hemet and some 25 m SW of the intersection of Florida and Warren; 10 m from a disturbed area (parking) S of Florida. 500 Comment
  VVC547  Avena fatua A. C. Sanders, J. Mac 1997-5-4 20649 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  SD144066  Baccharis brachyphylla A. C. Sanders, P. MacKay 1994-10-23 15849 Riverside San Bernardino Mountains: Whitewater River Canyon, between the trout hatchery and Bonnie Bell. 673 Comment
Read comments
Jan 14 2010
  UCR25766  Baccharis brachyphylla John C. Roos 1949-4-2 4133 Riverside San Bernardino Mtns., Palm oasis in side canyon of Whitewater Canyon 856 Comment
  UCR281865  Baccharis brachyphylla A. C. Sanders, Jim Malusa 2017-9-19 43333 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 3.75 km SW (209 deg. ) of Tabaseca Tank 711 Comment
  RSA191400  Baccharis emoryi E. W. Lathrop, R. F. Thorne 1967-9-26 6638 Riverside 6 miles NW of Murrieta. Comment
  SEINET2045176 Image available Baccharis emoryi A. C. Sanders, S. White & C. L. Sanders 1994-10-9 15819 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell: T2S, R3ESE4 S27SW4S26 549 Comment
  UCR51355  Baccharis pilularis L. F. LaPre, Jack Easton 1988-1-12 s.n. Riverside Santa Rosa Plateau, Mesa de la Punta, Santa Rosa Springs Ranch 610 Comment
  CAS-BOT-BC106738  Baccharis salicifolia C. L. Hitchcock 1966-3-15 24159 Riverside 3 mi. e. of Glen Ivy Hot Springs, in sandy wash. Comment
  POM4662  Baccharis salicifolia L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon Comment
  RSA713873  Baccharis salicifolia Michael Wall 2006-6-3 417 Riverside Along the San Jacinto River, east of Hemet, ca. 2.2 miles east of the Cranston Ranger Station 636 Comment
  SDSU13346  Baccharis salicifolia subsp. salicifolia Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 31 Riverside Santa Margarita Ecological Reserve (SDSU). Near the center of the Gorge, west of the pipe line crossing. 239 Comment
  CAS-BOT-BC106670  Baccharis salicina John Thomas Howell 1952-10-25 28873 Riverside Along highway about 3.5 miles from Glen Ivy Hot Sprins on road to Alberhill Comment
  SD136926  Baccharis salicina Steve Boyd 1994-10-14 8377 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon 341 Comment
  SEINET899356  Baccharis sergiloides C. B. Wolf 1932-1 4272 Riverside Colorado Desert. Little San Bernandino Mts. Morongo Wash, 3/10 mi. below San Bernandino Co. line 671 Comment
  UCR245792  Baccharis sergiloides A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40954 Riverside Peninsular Range, Wilson Valley Preserve, 0.35 air mi. south of Wilson Valley Rd. and 0.8 mi. east of Sage Rd., 1.4 mi. east (93 deg. ) of Round Top Mountain 739 Comment
  UCR245795  Baccharis sergiloides A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40957 Riverside Peninsular Range, Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 deg. ) of Round Top Mtn. 770 Comment
  CAS-BOT-BC295892  Bahiopsis parishii Munz; Street 1919-5-7 2722 Riverside Colorado Desert. Tahquitz Canon [Canyon], Palm Springs Comment
  SBBG54311  Bahiopsis parishii B. Gustafson 1977-4-7 5576 Riverside Whitewater Cyn Rd exit from Interstate 10, ca. 2.5 mi W of jct Interstate 10 with State 62 near start of Pacific Crest Trail 609 Comment
  RSA796024  Baileya pauciradiata Duncan S. Bell 2009-4-18 239 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  UC1979854  Baileya pauciradiata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-5 963 Riverside Mojave Desert; East Mojave Desert region: Blythe-Rice Road, East / Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. Comment
  UC69035  Baileya pauciradiata H. M. Hall 1905-4-1 5911 Riverside near Paloverde; Colorado Desert 91 Comment
  RSA301938  Baileya pleniradiata J. R. Shevock 1971-5-8 1049 Riverside Near White Tank, Joshua Tree National Monument 1220 Comment
  RSA4910  Baileya pleniradiata C. B. Wolf 1932-4-27 3026 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
Read comments
Dec 11 2011
  SD232229  Barbarea orthoceras Scott D. White 2008-6-18 12232 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  UCR251338  Bebbia juncea S. J. Myers 2014-5-21 1057 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  RSA7461  Berberis dictyota C. B. Wolf 1933-8-24 S.N. Riverside 1/2 mi. below summit of Bedford Motorwaym last slope of the Santa Ana Mts. 976 Comment
  CAS-BOT-BC505214  Bergia texana D. E. Bramlet 2005-7-13 3893 Riverside Perris-Aguanga Basic Region; San Jacinto Valley: San Jacinto Wildlife Area, E of old San Jacinto River channel, margin of flooded ponds 433 Comment
  RSA550477  Bergia texana D. E. Bramlet 1992-5-15 2286 Riverside San Jacinto Wildlife Area; Drying bed of the old San Jacinto channel, some 610 m. from the intersection of the old channel w/ the new San Jacinto River channel. The site is approximately 790 m. west of Davis Road. 433 Comment
  HSC27276  Bernardia myricifolia R. W. Spjut 1972-3-13 2260 Riverside W Border of the Colorado Desert, along the slopes of the San Jacinto Mtns., near the E border of the San Bernardino National Forest along Hwy. 74 915 Comment
  JEPS29488  Bernardia myricifolia Lauramay T. Dempster 1962-4-18 1900 Riverside Pinyon Flats, Palms-to-Pines Hwy. 1066 Comment
  SEINET7048188  Bernardia myricifolia Steven R. Hill 2001-5-3 33696 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UCR116865  Bloomeria crocea A. C. Sanders, Steven R. Hill 2001-5-4 24124 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  CAS-BOT-BC478938  Bloomeria crocea var. crocea R. Bacigalupi 1925-7-2 1244 Riverside On trail to Tahquitz Peak, San Jacinto Mountains 1828 Comment
  LA204241  Boechera xylopoda L. Haines; L. Erickson 1937-4-10 Riverside Palms to Pines Highway near road to Shumay Comment
  SD185256  Boerhavia coccinea T. B. Salvato, Kent Beaman 2005-5-16 853 Riverside San Jacinto Mtn foothills, San Jacinto River E of Valle Vista, just downstream from the forest service boudary and N of CA Hwy 74 Comment
  UC154625  Boerhavia coccinea Rensselaer J. Smith May 1904 328 Riverside Palm Canyon Comment
  RSA0106725  Boerhavia coulteri Duncan S. Bell 2011-9-30 2937 A Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  SEINET3228131  Boerhavia coulteri G. Rink 2012-9-1 11654 Riverside Blythe Solar Power Plant (proposed) about 10 miles northwest of Blythe 160 Comment
  POM246649  Boerhavia triquetra E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, Chuckawalla Mts, Colorado Desert. 366 Comment
  POM246588  Boerhavia wrightii E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, Chuckawalla Mts, Colorado Desert. 366 Comment
  UCR232017  Bolboschoenus maritimus subsp. paludosus John F. Green 2008-4-21 02- 03 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  CAS-BOT-BC145585  Bouteloua aristidoides Peter H. Raven 1958-1-24 11453 Riverside Fargo Canyon. Comment
  RSA781410  Bouteloua aristidoides Duncan S. Bell 2011-10-22 2990 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
  SEINET3920388  Bouteloua barbata Faulkner 1978-3-21 338 Riverside 9 miles N. of Blythe on Hwy 95.; 0 152 Comment
  UCD56853  Bouteloua barbata S. B. Parish 1912-6-28 8102 Riverside Mecca. Salton Basin. Comment
  JOTR32609  Bouteloua barbata var. barbata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2673 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA712215  Bouteloua barbata var. barbata Andrea Warniment, Pam De Vries 2005-12-13 ADW- 6 Riverside Northern edge of Interstate-10, next to road shoulder, east of Indio. 76 Comment
  RSA0120420  Bouteloua trifida Duncan S. Bell, LeRoy Gross 2016-5-18 9594 Riverside Santa Rosa Mountains; west side of Martinez Mountain; hills in the northern section of Little Pinyon Flat. 1316 Comment
  SD144090  Bowlesia incana A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19858 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  SEINET7073401  Bowlesia incana A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  RSA796512  Boykinia rotundifolia R. F. Thorne, E. W. Lathrop 1977-5-18 49722 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  OBI14836  Brandegea bigelovii Lewis S. Rose 1957-1-8 57018 Riverside Palm Desert 91 Comment
  RSA207686  Brandegea bigelovii James Henrickson 1969-11-8 4371 Riverside 5 air mi S of Palm Desert near top of Seven Level Hill at scenic stop 671 Comment
  SEINET3217333 Image available Brandegea bigelovii T. B. Salvato 2010-4-20 4056 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
  UC1551917  Brandegea bigelovii David Charlton 1988-2-19 1170 Riverside n of Mecca Hills (on road between Cottonwood Wash and Mecca, near Mecca, Colorado Desert Wash Community, Orocopia Mountains, Box Canyon); Orocopia Mountains, Box Canyon 457 Comment
  UC68780  Brandegea bigelovii H. M. Hall Apr. 1905 5948 Riverside Colorado Desert, McCoy Wash 91 Comment
  UCR103351  Brandegea bigelovii George K. Helmkamp, E. A. Helmkamp 1998-1-17 2540 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  CLARK-A1528-345  Brassica geniculata Bob Sullivan 1966-3-26 Riverside Lake Mathews 396 Comment
  SFV15631  Brassica nigra M. Merchant 1992-4-17 3 Riverside Santa Ana River bottom. End of Rubidoux Ave. in Riverside, 0.5 miles from river. 250 Comment
  UCR100172  Brassica rapa Scott D. White 1993-3-3 1106 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  JOTR38691  Brassica tournefortii Hodges, Stephen R. 2017-2-7 707 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  RSA339319  Brassica tournefortii R. F. Thorne, W. A. Tilforth 1980-5-28 54198 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
  JOTR01239  Brickellia arguta var. arguta Cole, James E. 1942-5-19 959 Riverside Joshua Tree National Park. RUBY LEE WASH 914 Comment
  UC86159  Brickellia atractyloides S. B. and W. F. Parish 1882-1-1 1210 Riverside Agua Caliente Comment
Read comments
Nov 24 2011
  UCR89539  Brickellia desertorum Bern Schwenn 1994-2-13 s.n. Riverside Colorado Desert/Santa Rosa Mtns., Santa Rosa Mtns, west fork Agua Alta Canyon. 657 Comment
  VVC1449  Brickellia desertorum A. C. Sanders, J. Mac 1996-11-23 19650 M Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 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
  JOTR32362  Brickellia oblongifolia var. linifolia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2477 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  UCR191212  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-1 910 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve; Clay Hill, 0.5 km south-southwest of the northernmost high point of the Mesa de Burro 576 Comment
  UCR23234  Brodiaea terrestris subsp. terrestris P. Tomlinson 1981-5-24 0035 Riverside Peninsular range; Santa Ana Mtns., Mesa Colorado, c. 1 mi south of Tenaja Rd. and 3 mi east of Squaw Mtn. 652 Comment
  SEINET238913 Image available Bromus arizonicus A. C. Sanders 1998-3-17 21748 Riverside Riverside: open fields at NE edge of UCR campus E and A & I dorms and S of Watkins Dr. (Riverside East 7.5' Q.) 335 Comment
  RSA604754  Bromus berteroanus A. C. Sanders 1995-4-13 16509 Riverside San Bernardino Mountains/ Colorado Desert: Devil's Garden, E end of mountains, 2.1 miles W of Highway 62 on Pierson Ave. & dirt extension, 1.7 mile above Sierra Blv., (33 deg 58'N, 116 deg 37.5'W) 701 Comment
  UC37668  Bromus carinatus var. carinatus H. M. Hall 1901-7-19 2462 Riverside San Jacinto Mountains, Tahquitz Valley Tahquitz Valley; San Jacinto Mountains, Tahquitz Valley 2133 Comment
  SDSU17526  Bromus catharticus Jerry Jenkins 2001-4-3 2001 -041 Riverside Santa Margarita Ecological Reserve. Organ grove near station, UTM zone 6, 482100E, 3699050N. UTM transfered to GIS. Comment
  UCR102758  Bromus diandrus B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3581 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  RSA0042648  Bromus diandrus Margaret Murphy 1983-4-15 0004 -A Riverside Located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA0064521  Bromus diandrus Starr Streight 1982-4-17 25 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  UCR2228  Bromus hordeaceus F. M. Reed 1938-5-14 10118 Riverside Perris-Aguanga Basin Region, alkaline flat SE of Perris 427 Comment
  POM112726  Bromus rubens Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UCR172140  Bromus rubens A. C. Sanders 2006-5-11 32256 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  CAS-BOT-BC185646  Bromus tectorum Victor Duran 1932-5-18 3218 Riverside Idyllwild, San Jacinto Mountains. 1676 Comment
  SEINET13203270 Image available Bromus tectorum Steve Boyd, Carol Boyd 2011-1 12305 Riverside Traversa Ranges; San Bernardio Mountains region.: Southeast end of range in south branch of Mission Canyon, just upstream from confluence with north branch 762 Comment
  RSA0019728  Bromus tectorum E. W. Lathrop 1966-5-15 6321 Riverside Tenaja Guard Station, Trabuco District, Cleveland National Forest. Comment
  RSA559361  Bromus tectorum Steve Boyd, Timothy S. Ross, D. E. Bramlet 1993-5-13 7381 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile. 412 Comment
  GMDRC3556  Caesalpinia virgata J. Andre, T. La Doux 2009-2-28 10842 Riverside Coachella Valley: along lower Berdoo Cyn Rd just S. of JTNP boundary, approx 1.5 mi. N. of Dillon Rd. USGS 7.5 min. Quad: West Berdoo Canyon 33 deg. 48.718' N 116 deg. 10.322' W. Elev. 1027 ft. 313 Comment
  RSA161350  Caesalpinia virgata Percy C. Everett, Nick Lolonis 1963-5-3 24492 Riverside SE. corner of Colima & Obregon Sts., LaQuinta western edge of Colorado Desert. 91 Comment
  RSA405290  Caesalpinia virgata M. B. Dunkle 1933-3-4 3033 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA550273  Caesalpinia virgata Walter Wisura, John Dolan, Michael Wall 1992-3-24 4623 Riverside Lowdesert: 6.2 miles NE of Mecca on Box Canyon Road. Comment
  RSA86998  Caesalpinia virgata F. W. Peirson 1930-3-1 8691 Riverside Open desert at foot of Painted Canyon, near Mecca. Comment
  RSA198935  Calandrinia ciliata R. F. Thorne, E. W. Lathrop, Ora M. Clark, Sherwin Carlquist 1968-4-18 37434 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 609 Comment
  RSA714378  Calandrinia ciliata John Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns.: Santa Rosa Plateau, hills on the south side of Teaja Rd., between Squaw Mtn. and De Luz Creek. 655 Comment
  RSA297384  Calocedrus decurrens Larry E. DeBuhr 1972-2-25 500 Riverside Santa Rosa Mts. San Bernardino National Forest; along forest road 7S02; above Cedar Springs. 2346 Comment
  RSA641092  Calochortus palmeri var. munzii Orlando Mistretta, Mark Elvin 1995-6-19 1773 Riverside San Jacinto Mountains. 1448 Comment
  RSA692245  Calochortus splendens Scott D. White, Michael Honer 2003-5-27 9405 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  RSA783290  Calochortus splendens J. D. Olmsted 1958-6-10 160 Riverside 8 miles SW of Corona on Oak Flat Fire Road (turn S in Corona from US [91?] onto Lincoln). Santiago Creek drainage area. 823 Comment
  RSA92741  Calochortus splendens J. C. Roos, L. Roos 1952-5-19 5688 Riverside Between Moreno and Redlands in branch of San Timateo Canyon. 488 Comment
  RSA674970  Calycadenia tenella Scott D. White, Teresa Salvato 2001-6-8 8575 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR48395  Calycadenia tenella Steve Boyd 1986-5-1 1794 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UCR60928  Calycoseris wrightii Steve Boyd, B. Roy, T. S. Elias, S. Meury, S. Zona 1986-3-5 1355 Riverside Sonoran (Colorado) Desert, Shavers Valley, Hwy 195, N base of the Orocopia Mtns half way between I-10 and Box Canyon 366 Comment
  JOTR30229  Calyptridium monandrum Leary, C. and Leary, Pat 1979-5-5 2996 Riverside Joshua Tree National Park. At the end of the road in Lower Covington Flat, Joshua Tree N.M. Comment
  UC635495  Calyptridium monandrum Margaret Stason 1927-2-12 Riverside One Thousand Palm Canyon; Colorado Desert, One Thousand Palm Canyon Comment
  UC7750  Calyptridium monandrum H. M. Hall June, 1901 2050 Riverside vicinity of Chalk Hill; San Jacinto Mountains 1402 Comment
  UCR116785  Calyptridium monandrum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24163 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  SDSU17443  Calyptridium parryi var. parryi C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-25 375 Riverside San Jacinto Wilderness State Park, summit of San Jacinto Peak. Ca. 10 meters west of sign marking high point, in sandy opening among boulders. 3292 Comment
  SBBG37494  Calystegia macrostegia R. N. Muller, S. Lindsey 1967-5-11 Riverside 1.5 mi S on Pigeon Pass Rd from jct with rd to Riverside Co Dump Comment
  CAS-BOT-BC218906  Camissonia Robert F. Thorne; M. Z. Thorne 1973-3-30 42676 Riverside MORONGO VALLEY CANYON: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, on outwash of Mission Creek 487 Comment
  HSC24633  Camissonia bistorta Frank W. Gould 1943-4-17 2130 Riverside 4 mi. E of Elsinore Comment
  RSA465918  Camissonia bistorta M. B. Dunkle 1935-3-10 4357 Riverside Temescal Canyon 244 Comment
  RSA387327  Camissonia boothii subsp. condensata Aaron Liston, T. S. Elias, O. R. Dorado, S. Zona 1986-11-29 642 -1 Riverside Colorado Desert. West of Chiriaco Summit. Comment
  RSA465966  Camissonia boothii subsp. condensata N. C. Cooper 1949-4-8 3298 Riverside Desert Center. 610 Comment
  RSA75404  Camissonia boothii subsp. condensata F. W. Peirson 1922-4-9 s.n. Riverside Palm Canyon Region, near Palm Springs. Comment
  RSA795924  Camissonia boothii subsp. condensata Duncan S. Bell 2009-4-19 285 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  CLARK-A1528-3320  Camissonia boothii subsp. decorticans John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA792831  Camissonia brevipes Justin M. Wood, Dustin Ray 2011-4-28 3852 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  RSA272059  Camissonia californica Lyman Benson 1933-3-31 4179 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  RSA678219  Camissonia californica Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1086 Riverside Big Morongo Wash. 473 Comment
  UCR233150A  Camissonia californica Jim Andre, Glenn L. Clifton 2011-2-22 17462 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA630322  Camissonia claviformis J. Wear 1995-3-22 s.n. Riverside Colorado Desert: Wash along Eagle Mountain Road, N of I-10 near Desert Center. Comment
  RSA448923  Camissonia claviformis subsp. aurantiaca F. R. Fosberg 1932-3-13 8096 Riverside Thousand Palm Canyon, Coachella Valley Comment
  UCR3431  Camissonia confusa Heidi A. Haid 1964-5-17 645117- 01 Riverside San Jacinto Mtns., c. 1 mi from junction of Hurley Flats Rd and Idyllwild-Banning Rd 1402 Comment
  UCR265813  Camissonia hirtella Mitch Provance 2012-5-24 512- 03 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  UCR281241  Camissonia intermedia Mitch Provance, Jeremiah George 2017-3-21 317- 61 Riverside Temescal Valley, S side of Highway I-15, 0.2 miles SSE of Glen Eden Rd. and De Palma Rd. 396 Comment
  UCR97672  Camissonia intermedia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19907 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  UC1979872  Camissonia refracta Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 765 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills, Shaver's Well Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. Comment
  UCR249509  Camissonia refracta T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7281 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  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
  UC987818  Camissoniopsis pallida subsp. hallii Reid Moran 1941-5-5 844 Riverside e Quail Spring; Joshua Tree National Monument 1300 Comment
  UCD103576  Camissoniopsis pallida subsp. pallida Collector Unknown 1923-3-25 300 Riverside Whitewater. Comment
  UCR241418  Capsella bursa-pastoris T. B. Salvato 2013-3-22 7389 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  UCR59807  Carex barbarae Jeri Hirshberg 1989-7-26 s.n. Riverside Peninsular Range, vicinity of Vail Lake; spring in Butterfield Country Comment
  RSA740953  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-19 12281 Riverside Meadows at Baldy Mtn. 1585 Comment
  UCR232055  Carex praegracilis John F. Green 2008-4-22 06- 04 Riverside Peninsular Range, hills south of Perris, powerline route just above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 442 Comment
  RSA425879  Castilleja affinis I. W. Clokey, C. B. Clokey, Bonnie C. Templeton 1930-4-15 449 Riverside Perris to Gavalian Peak 600 Comment
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Nov 8 2011
  RSA769687  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-10 982 Riverside San Bernardino National Forest: Garner Valley, approximately 1.4 air miles southeast of junction of forest service road 6S13 and forest service road 6S04. 1365 Comment
  JEPS29297  Castilleja exserta subsp. exserta Rimo Bacigalupi, and L. Heckard 1962-3-25 8392 Riverside about 5 mi se Corona (just n of Bedford Canyon, at e base of Santa Ana Mountains); Santa Ana Mountains 304 Comment
  UC495197  Castilleja exserta subsp. exserta Philip A. Munz 1932-3-24 12016 Riverside Corona 365 Comment
  RSA0010932  Castilleja exserta subsp. exserta Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1318 Riverside Palms to Pines Highway. Comment
  RSA234083  Castilleja foliolosa Robert F. Thorne, E. W. Lathrop 1969-6-6 39327 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  RSA400577  Castilleja foliolosa P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  UCD122503  Castilleja foliolosa C. L. Hitchcock 1966-3-15 24164 Riverside About 10 miles n.e. of Temecula. Comment
  UCR91479  Caucalis microcarpa Scott D. White, Marty Jacobsmeyer 1996-4-20 3950 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  RSA0123359  Caulanthus hallii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9045 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UCR20735  Caulanthus heterophyllus A. C. Sanders, Steve Boyd 1980-5-2 1396 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR281782  Caulanthus heterophyllus Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-5 417- 107 Riverside Temescal Valley, Foothills of the Gavilan Range, ridge +- 0.5 miles NNW of Lake St. and Walker Canyon Rd. 543 Comment
  UCR97496  Caulanthus heterophyllus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19879 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  SD130247  Caulanthus lasiophyllus Ed LaRue 1990-4-13 Riverside 0.5 mile northwest of town of Aguanga, north of Highway 79 and west of Highway 371. 640 Comment
  RSA0043378  Caulanthus major John F. Emmel 1996-6-16 1410 Riverside San Jacinto Mts.; Spitler Peak Trail, 0.0-0.1 air mile south and 0.4-0.5 air mile east of Cartridge Spring. 1767 Comment
  RSA0028168  Ceanothus John F. Emmel 1988-4-27 1084 Riverside Bautista Canyon Road, 8.15 road miles SE of the national forest boundary. 107 Comment
  RSA160402  Ceanothus crassifolius John Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in w. Corona, after 3 mi turn w. on Chase Dr., then s. on Oak Flat fire road for 3 mi. past olive trees. 762 Comment
  UC1979529  Ceanothus crassifolius Darin L. Banks, Steve Boyd 1995-3-15 59 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  UC723782  Ceanothus crassifolius Joseph Andorfer Ewan 1933-3-19 10899 Riverside Tin Mine Canyon Santa Ana Mts. (along canyon bottom) Comment
  UCR102725  Ceanothus crassifolius B. G. Pitzer 1998-1-25 3412 A Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  UCR77723  Ceanothus crassifolius Steve Boyd 1991-3-17 5480 Riverside Jurupa Hills, north of Glen Avon. S flank, just west of Soto St to summit east of Pyrite Cyn. Comment
  RSA510026  Ceanothus crassifolius B. Pitzer, E. Misquez 1988-2-28 619 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  SD129398  Ceanothus cuneatus Ed LaRue May 1989 Riverside Hills east of Beaumont, along Potrero Creek, 1/2 mi. E of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  SDSU10356  Ceanothus cuneatus Chris Frazier 1989-8-1 105 Riverside Along State Route 79, about 1. 0 miles W of Aguanga. Comment
  UCR92455  Ceanothus cuneatus A. C. Sanders, S. Hawkins 1996-4-24 18075 Riverside San Bernardino Mtns, Morongo Indian Reservation, along dirt road in Hathaway Canyon, near Burro Flats 1159 Comment
  HSC47408  Ceanothus leucodermis Richard Spjut, C. E. Edison 1978-5-5 5021 Riverside Between Idyllwild and Banning along Hwy. 243 in the San Jacinto Mtns. 1220 Comment
  HSC99956  Ceanothus leucodermis J. P. Smith, & J. O. Sawyer 2011-6-9 13209 Riverside Mt. Etna Road, W of Hwy. 243. 1166 Comment
  SD129400  Ceanothus leucodermis Steve Myers 1990-3-21 Riverside Santa Rosa Plateau area: Along Los Gatos Road, 1/2 mi. S of Buena Vista Road (2 mi. W. of Sandia Canyon, & 0.1 mi. N of San Diego County Line) 366 Comment
  UCR182565  Ceanothus leucodermis Andrea Salzman 2006-5-16 115 Riverside Peninsular Range, Silverado site, Durasno Valley 1346 Comment
  POM13851  Ceanothus oliganthus P. A. Munz 1922-4-28 5034 Riverside Leach Canyon. Small canyon. 610 Comment
  RSA16498  Ceanothus oliganthus Percy C. Everett 1935-6-18 7209 Riverside 0.5 mi. below (N) Main Divide motorway. 1280 Comment
  CAS-BOT-BC51646  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-28 7913 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 883 Comment
  SD136767  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7917 Riverside Agua Tibia Wilderness Area, Cleveland National Forest. Palomar Range south of Vail Lake at north base of Agua Tibia Mountain. Along trail extending south from end of Woodchuck Road. 792 Comment
  UCR89466  Ceanothus ophiochilus Steve Boyd, K. A. Boyd 1993-3-28 7918 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agau Tibia Mt., Agua Tibia Widerness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd 884 Comment
  JEPS42115  Ceanothus palmeri C. V. Meyer Jun 1927 178 Riverside Logan Creek, Banning Road San Jacinto Mountain 1737 Comment
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Nov 13 2011
  SBBG28515  Ceanothus palmeri N. C. Cooper 1944-6-17 1416 Riverside above Banning 975 Comment
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Jul 7 2010
  CAS-BOT-BC126849  Ceanothus pauciflorus Nancy Ryan Zabriskie; Walter Zabriskie 1970-5-2 292 Riverside Up canyon from turnout parking area which is 1/2 mi. up Sta. Rosa Mt. road from Hwy. 74, Santa Rosa Mountains 1371 Comment
  SBBG68316  Ceanothus perplexans M. N. Ackley 1928-4-4 929 Riverside Moreno Grade 762 Comment
  RSA278320  Ceanothus tomentosus var. olivaceus C. W. Tilforth, Walter Wisura 1979-5-23 1804 A Riverside Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta. 335 Comment
  RSA445786  Celtis reticulata Bonnie C. Templeton 1954-11-3 s.n. Riverside North of Banning. Comment
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Mar 13 2011
  UCR95727  Cenchrus incertus D. L. Banks, Lauren Raz 1996-8-29 1133 Riverside Agua Tibia Mtns., NW Palomar Mtns, NW foothills of Dorland Mtn. Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road. 399 Comment
  RSA654620  Centaurea melitensis Starr Streight 1982-4-17 51 Riverside Hillside north of Cajalco road, 2 miles east of I-15. Comment
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Feb 24 2013
  CLARK-A1528-180  Centaurea solstitialis John C. Roos 1951-9-25 5253 Riverside Riverside Comment
  RSA697665  Centaurium exaltatum J. R. Bruff 1934-4-19 540 Riverside Pinon belt-Palms & Pines Hiwy Comment
  UCR1666  Centranthus ruber William G. Truesdell 1962-5-10 51062- 4 Riverside Peninsular Range; Santa Ana Mtns., Hwy 74, Cleveland National Forest 610 Comment
  UCR252806  Centromadia pungens subsp. laevis Rose Cook, Ana Hernandez 2013-4-12 005 Riverside Perris Aguanga Basin, 290 meters south of Highway 79, 172 meters west of San Diego aqueduct, Upper Salt Creek, Hemet 457 Comment
  UC1929296  Centromadia pungens subsp. pungens Scott D. White, Justin Wood 2008-6-26 12295 Riverside Perris Basin; I-215 freeway @ stream crossing, just W of golf course and just N of Newport Rd. 434 Comment
  RSA673547  Cerastium glomeratum Scott D. White, Tasha La Doux 2000-4-20 7705 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR104904  Cerastium glomeratum A. C. Sanders 1997-3-19 20014 Riverside Lake Skinner area, hills between Tucalota Creek and lower Rawson Canyon, c. 1/2 mi. (1 km) east of the lake 488 Comment
  RSA405361  Cercidium floridum M. B. Dunkle 1934-3-18 3858 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  RSA772862  Cercocarpus betuloides Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4816 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
  SD90095  Cercocarpus betuloides Nancy Ryan Zabriskie 1972-10-22 546 Riverside Small dry watercourse area, NE side of Cactus Spring Trail west of Horsethief Canyon. Deep Canyon drainage, north slope Santa Rosa Mts. 1096 Comment
  UCR18833  Cercocarpus betuloides John C. Roos 1948-5-15 3854 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  RSA525265  Chaenactis artemisiifolia Steve Boyd 1990-5-3 4578 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA543201  Chaenactis artemisiifolia Steve Boyd 1991-5-2 6101 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR231761  Chaenactis artemisiifolia John F. Green 2008-4-23 09- 06 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  POM308526  Chaenactis carphoclinia var. carphoclinia Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3169 Riverside 10 miles east of Indio. Comment
  RSA517924  Chaenactis carphoclinia var. carphoclinia Steve Boyd, B. Roy, Thomas S. Elias, S. Meury, S. Zona 1986-3-5 1352 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  RSA735399  Chaenactis carphoclinia var. carphoclinia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11226 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UCR200302  Chaenactis carphoclinia var. carphoclinia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11226 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  OBI8303  Chaenactis fremontii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12067 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd, 5.5 mi N of Cottonwood campgrounds Comment
  OBI8304  Chaenactis fremontii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12069 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd, 11 mi S of N park boundary Comment
  POM6061  Chaenactis fremontii I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon, near Palm Springs. 229 Comment
  RSA21754  Chaenactis fremontii C. B. Wolf 1937-4-6 8426 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA708416  Chaenactis fremontii Scott D. White 2005-3-29 10837 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  UCR102918  Chaenactis fremontii George K. Helmkamp 1998-2-5 2636 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR196173  Chaenactis fremontii R. F. Thorne, M. Z. Thorne 1973-3-30 42674 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  UCR260837  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41516 Riverside San Gorgonio Pass, 2.5 miles ESE of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and Elm St. 463 Comment
  RSA691059  Chaenactis glabriuscula Scott D. White, Michael Honer 2003-4-9 8987 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  CAS-BOT-BC277403  Chaenactis glabriuscula var. glabriuscula Palmer Stockwell 1935-5-13 1223 Riverside 5 miles south of Temecula Comment
  SD133191  Chaenactis glabriuscula var. glabriuscula Scott White 1991-5-13 91 115 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 550 Comment
  CAS-BOT-BC277556  Chaenactis glabriuscula var. lanosa Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs Comment
  UCR20190  Chaenactis parishii Jeanine Derby 1976-6-29 s.n. Riverside San Jacinto Mtns., Garner Valley, Quinn Flats 1375 Comment
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Jun 3 2012
  JOTR35304  Chaenactis stevioides Andre, Jim 2012-4-11 20803 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  RSA667993  Chaenactis stevioides Carol R. Annable 1995-3-16 2298 Riverside Ca. 13 km NE of Desert center on Hwy 177. Comment
  RSA777675  Chaenactis stevioides Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 965 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  UCR61907  Chaenactis stevioides D. F. Howe 1980-4-15 s.n. Riverside Sonoran (Colorado) Desert, south slope of McCoy Mountains, Interstate Hwy 10, 1 mile west of Mesa Verde 122 Comment
  POM351832  Chaenactis stevioides var. stevioides T. H. Holmes 1932-3-18 s.n. Riverside White Water, Palm Springs. Comment
  UCR245629  Chaenactis stevioides var. stevioides Duncan S. Bell 2010-4-1 672 Riverside Sonoran (Colorado) Desert, Arica Mountains; west side of Rice Valley, c. 1.2 air miles east of AT & SF railway line, c. 4.2 air miles east of Priest Well and c. 4.3 air mi. SE of the ghost town of Rice 208 Comment
  UCR4048  Chaetopappa aurea Carole Sims 1965-5-1 s.n. Riverside San Jacinto Mtns., 'Tahquitz Meadows' [meadows along Hwy 74 near Keen Camp, east of Mtn. Center], off Pines to Palms Hwy 1524 Comment
  RSA0121596  Chamaesyce arizonica Duncan S. Bell, LeRoy Gross 2016-3-29 9106 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  UC1292298  Chamaesyce micromera C. L. Hitchcock and C. V. Muhlick 1964-3-17 23080 Riverside 8 mi se Corona (along rd to Elsinore) Comment
  RSA432477A  Chamaesyce pediculifera M. B. Dunkle 1933-3-4 3040 Riverside Painted Canyon. Colorado Desert 30 Comment
  SEINET3089524 Image available Chamaesyce polycarpa Paul D. Wood 1970-5-19 9 -A Riverside At University of Calif. along east bank of path leading to botanical gardens. 259 Comment
  RSA778321  Chamaesyce polycarpa Amber Swanson, Linda Jean Foster 2011-10-8 626 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  RSA559343  Chamaesyce serpillifolia Steve Boyd, T. S. Ross 1992-5-15 7399 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  UC489210  Chamaesyce serpillifolia subsp. hirtula C. V. Meyer 1928-7-30 587 Riverside Saunders Meadow San Jacinto Mountains 1676 Comment
  RSA432499B  Chamaesyce setiloba M. French Gilman 1940-1-22 4030 Riverside Smoketree Canyon. 305 Comment
Read comments
Sep 29 2011
  CAS-BOT-BC70041  Cheilanthes covillei Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA413253  Cheilanthes newberryi James C. Dice, Tu Chung 1987-10-19 738 D Riverside at head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita River, ca. 0.4 km ENE of Field Station site and just ENE of weather station. 329 Comment
  RSA685787  Cheilanthes newberryi May N. Ackley 1922-03 175 Riverside Murrieta Hot Springs 399 Comment
  CAS-BOT-BC68096  Cheilanthes parryi Elizabeth Parsons Hawver 1917-4-1 s.n. Riverside Palm Springs Comment
  RSA685826  Cheilanthes parryi P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs Comment
  HSC80298  Chenopodium album Steve Boyd 1985-7-23 1012 Riverside De Luz Road, 7.6 mi W of Rancho California, where Sandia Creek crosses road. 335 Comment
  UCR118176  Chenopodium berlandieri Mitch Provance 1998-6-11 648 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  RSA708055  Chenopodium californicum Scott D. White, Angelia Carey 2004-4-16 10154 Riverside Indian Creek and adjacent slopes. 549 Comment
Read comments
Sep 24 2007
  JOTR32465  Chenopodium fremontii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2610 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
  UCR102865  Chenopodium murale A. C. Sanders 1997-3-19 20063 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  CLARK-A1528-320  Chilopsis linearis C. M. Flanagan 1973-5-31 OO 608 Riverside Morongo Indian Reservation 853 Comment
  UCSB8349  Chilopsis linearis Wilson, Richard 1958-5-18 Riverside 3 miles West of Palm Springs Comment
  SEINET8733767 Image available Chilopsis linearis James W. Hardin 1969-1 13284 Riverside Desert, just ne. of Palm Springs. 4 Comment
  UC370345  Chilopsis linearis subsp. arcuata unknown 1928-5-20 3 Riverside Palm Springs Comment
  UC887877  Chilopsis linearis subsp. arcuata Lewis S. Rose 1935-12-22 35682 Riverside Palm Canyon Wash Colorado Desert, Palm Canyon Wash 182 Comment
  CAS-BOT-BC184867  Chloris virgata F. H. Billings 1924-5-23 15 Riverside Near Redlands. Comment
  POM313180  Chloris virgata Malcolm A. Nobs, S. Galen Smith 1948-9-3 490 Riverside Palm Springs. Comment
  UCR148471  Chorizanthe brevicornu S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR241521  Chorizanthe brevicornu A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40647 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  CAS-BOT-BC191704  Chorizanthe brevicornu var. brevicornu E. E. Schellenger 1911-4-24 s.n. Riverside S of Palms Springs. Colorado Desert Comment
  JEPS20768  Chorizanthe brevicornu var. brevicornu Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13259 Riverside 2.3 mi above Midland P.O. (U.S. gypsum mine property, Little Maria Mountains); Little Maria Mts., U.S. gypsum mine property Comment
  SBBG81486  Chorizanthe brevicornu var. brevicornu S. A. Junak 1983-3-23 1623 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UCR59534  Chorizanthe leptoceras Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3619 Riverside Vail Lake, Sandy benches of Kolb Creek drainage, south of Hwy 79 488 Comment
  CAS-BOT-BC191350  Chorizanthe leptotheca Edmund C. Jaeger 1922-6-14 s.n. Riverside MacMullen Trail, E slope San Jacinto Mts. Comment
  UCD99733  Chorizanthe leptotheca R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  UC217961  Chorizanthe parryi var. parryi P. A. Munz and I. M. Johnston 1922-5-19 5359 Riverside 5 mi ne Murietta; ne of Murietta 457 Comment
  RSA596943  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-26 2396 Riverside Shipley multi species reserve; Beside (E.) equestrian trail above a large ephemeral wash and approximately 122m SW of Tucalota Creek. The site is 610m north of access road BM 1487. 488 Comment
  UC494675  Chorizanthe rigida Philip A. Munz 1932-3-14 11998 Riverside edge of wash Deep Canyon (Coachella Valley); , Deep Canyon 91 Comment
  SEINET2026223 Image available Chorizanthe staticoides Scott D. White 2001-4-19 8380 Riverside Perris Basin. Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of I-215. 442 Comment
  RSA698369  Chorizanthe xanti var. leucotheca Olive Van Meter 1933-5-30 s.n. Riverside Whitewater region. Comment
  CDA19741  Chrysopsis villosa H. R. Leach 1958-9-12 s.n. Riverside Southern California; San Jacinto Mtn. 0 Comment
  RSA607248  Chrysothamnus nauseosus subsp. consimilis R. S. Woglum 1937-10-20 1199 Riverside Peninsular Ranges, Santa Rosa Mountains. Comment
  CLARK-A1528-1730  Chrysothamnus paniculatus John C. Roos 1942-10-23 2578 Riverside Dry Morongo Canyon Comment
  CLARK-A1528-190  Chrysothamnus paniculatus Oscar F. Clarke 1969-11-10 Riverside Palm Springs Station Comment
  POM40227  Chrysothamnus paniculatus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA314399  Chrysothamnus teretifolius R. F. Thorne 1982-10-8 55403 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  CHSC8456  Chylismia brevipes Edward Laidlaw Smith 1958-3-21 359 Riverside 3 mi. m. Desert Center, Chuckwalla Mt. Range. Colorado River drainage area. 274 Comment
  SBBG60491  Chylismia brevipes Anstruther Davidson 1893-1 Riverside Agua Caliente [Palm Springs] Comment
  UCSB4399  Chylismia brevipes Sager, Ginny 1960-4-2 Riverside In camp: off hiway 60-70 (to south) at southern tip of Joshua Tree National Monument Comment
  SD16812  Chylismia cardiophylla subsp. cardiophylla Allen Keller 1937-3-13 Riverside Painted Canyon. Comment
  SBBG100299  Chylismia claviformis W. L. Halvorson 1977-3-8 77 -90 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  CAS-BOT-BC160641  Chylismia claviformis subsp. aurantiaca L. R. Abrams 1926-3-26 11040 Riverside Palm Springs Comment
  UC1602062  Chylismia claviformis subsp. aurantiaca H. Lewis 1952-4-5 Riverside rd to 29 Palms 1 mi s road to Desert Hot Springs Comment
  CLARK-A1703-1185  Cirsium occidentale Charles S. Papp 1965-6-13 856 Riverside San Jacinto 914 Comment
  UCR49457  Cirsium occidentale var. californicum A. C. Sanders, B. Pitzer 1987-4-21 7048 Riverside Box Springs Mountains, near southernmost radio towers. 793 Comment
  CAS-BOT-BC286455  Cirsium scariosum R. M. Howie 1952-6-9 s.n. Riverside Santa Rosa Ranch, 8 miles sw. of Murrieta Comment
  RSA387366  Cistanthe monandra Steve Boyd 1986-4-19 1701 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  RSA466606  Cistanthe monandra A. C. Life 1928-3-17 s.n. Riverside Colorado Desert, Painted Canyon Comment
  RSA682845  Cistanthe monandra Scott D. White 2003-3-23 8837 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  RSA769618  Clarkia E. W. Lathrop 1974-6-4 7401 Riverside 3 miles southwest of Corona, Cleveland National Forest, Trabuco District 274 Comment
  UCSB22195  Clarkia bottae Hitchcock, C. 1928-5-20 Riverside Santa Ana Canyon; 8 miles west of Prado 400 Comment
  UC20307  Clarkia dudleyana H. M. Hall June 1901 2265 Riverside in canyons of the w side San Jacinto Mountains 1524 Comment
  RSA180407  Clarkia epilobioides E. W. Lathrop 1965-5-30 5785 Riverside 6 miles W of Murrieta. Comment
  UCR250316  Clarkia epilobioides A. C. Sanders 2014-4-8 40970 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  UCR78455  Clarkia epilobioides Scott D. White 1993-4-22 1233 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  OBI33538  Clarkia purpurea subsp. quadrivulnera Patricia Tomlinson 1981-5-24 33 Riverside SW Riverside Co. At Mesa Colorado, approx 1 mi S of Tenaja rd, 3 mi E of Squaw Mtn, area near vernal pools 652 Comment
  RSA407733  Clarkia purpurea subsp. quadrivulnera Steve Boyd 1986-5-1 1799 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  SEINET3224405  Clarkia purpurea subsp. quadrivulnera G. Goodwin 2012-6-15 3459 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UCR80803  Clarkia purpurea subsp. quadrivulnera Scott D. White 1993-5-29 1460 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  RSA802419  Claytonia parviflora Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5020 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  VVC423  Claytonia parviflora A. C. Sanders, J. Mac 1997-5-4 20634 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  RSA708074  Claytonia parviflora subsp. parviflora Scott D. White, Angelia Carey 2004-4-16 10182 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  RSA282925  Claytonia parviflora subsp. tenuifolia C. W. Tilforth, B. Busenberg 1980-6-17 2018 Riverside Slopes ca. 1/2 mi. south of Toolbox Springs Campground along Thomas Mtn. Road, south of Lake Hemet, west of Hiway 74. 1982 Comment
  POM12079  Claytonia perfoliata subsp. intermontana Mary F. Spencer 1921-6-1 1870 Riverside Idyllwild, San Jacinto Mountains 1616 Comment
  RSA615150  Clematis pauciflora Scott D. White 1997-5-25 5251 A Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing at ca. 3200 ft. 793 Comment
  RSA556486  Cleome isomeris Julie Greene 1993-3-13 1050 Riverside West of Poleline Rd. 457 Comment
  SBBG101774  Cnicus benedictus S. Boyd with T. Ross 1991-6-14 6395 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UCR169400  Cnicus benedictus T. B. Salvato, John F. Green 2004-5-27 610 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
  RSA0117440  Collinsia concolor Scott D. White, Michael Honer 2003-4-4 8940 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA0117457  Collinsia concolor Duncan S. Bell, Valentin Arvizu 2010-5-24 1107 Riverside San Bernardino National Forest: Garner Valley, approximately 3.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1385 Comment
  RSA0117418  Collinsia concolor D. Charlton 1988-5-21 1969 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1829 Comment
  UC1979562  Collinsia heterophylla Darin L. Banks, Steve Boyd 1995-5-9 384 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  CAS-BOT-BC52500  Colubrina californica I. M. Johnston 1930-6-15 3788 Riverside North of Mecca-Blythe road, in canyons at southeastern end of Eagle Mts. Comment
  JOTR30262  Colubrina californica Leary, Pat 1987-5-21 3834 Riverside McCoy Spring, McCoy Mountains, T5S R20E sec17 (unsurveyed), [UTMs estimated, January 2010] Comment
  UCR211504  Colubrina californica Jim Andre, T. La Doux 2008-9-13 10276 Riverside Sonoran (Colorado) Desert, Eagle Mountains at Joshua Tree National Park boundary, along aqueduct access road 355 Comment
  RSA0093968  Condalia globosa var. pubescens A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40508 Riverside Sonoran (Colorado) Desert. Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road. 695 Comment
  UCR2967  Convolvulus arvensis Patricia Gavin 1963-5-4 5-4-63- 3 Riverside Riverside, on Canyon Crest Road, 25 ft. from Monte Vista Road Comment
  POM10039  Conyza coulteri E. A. Zumbro 96 Riverside Cold Water Canyon, bridge over old canal. Comment
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Apr 10 2016
  UCR110414  Conyza floribunda A. C. Sanders, Mitch Provance, T. B. Salvato, O. F. Clarke 1999-10-5 23134 Riverside Peninsular Range, Riverside, new O.F. Clarke residence on Frost Court (former Al Boyce residence), E edge of UCR campus 354 Comment
  RSA561884  Cordylanthus rigidus subsp. setiger Steve D. Boyd, Tim S. Ross 1992-6-10 7644 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido., An isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  CAS-BOT-BC287877  Coreopsis californica Munz; Street; Williams 1919-3-28 2362 Riverside San Gorgonio Pass, near Cabazon 542 Comment
  CAS-BOT-BC287880  Coreopsis californica Ira L. Wiggins 1941-3-27 9706 Riverside Slopes 4 miles N of Whitewater Comment
  UC494746  Coreopsis californica var. californica Philip A. Munz and C. L. Hitchcock 1932-4-9 12224 Riverside 10 mi se White Tanks; East Riverside Comment
  POM230197  Corethrogyne filaginifolia I. W. Clokey, E. G. Anderson 1933-8-21 6961 Riverside Keen Camp P. O. [Post Office] Riverside 1350 Comment
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Oct 30 2011
  SD137864  Corethrogyne filaginifolia var. filaginifolia Darin L. Banks, Steve Boyd 1995-10-17 763 Riverside Agua Tibia Mountains; along lower Arroyo Seco, south of the Dripping Springs Campground. 515 Comment
  SFV18009  Cornus nuttallii J. D. Dilley 1999-7-26 383 Riverside San Jacinto Mountains 0.25 miles south of Dark Canyon Camp on road from San Jacinto State Park. 1799 Comment
  RSA526177  Cotula australis Steve Boyd, Timothy S. Ross 1990-5-11 4679 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
  SEINET5765987  Covillea tridentata George B. Grant 1906-5-1 229 -6724 Riverside Colorado desert at Palm Springs, southern California Comment
  UCR222299  Crassula aquatica R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55210 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  RSA357129  Cressa truxillensis R. F. Thorne, P. A. Munz, Earl Lathrop, K. Thorne 1968-5-8 37610 Riverside Lake Elsinore: Alkaline flats behind levee at SE end of Lake Elsinore, ca. 1 mi. S of Elsinore. Comment
  UCR139617  Cressa truxillensis A. C. Sanders 2004-7-1 28375 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
  UCR207611  Cressa truxillensis O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  RSA85074  Crossosoma bigelovii F. W. Peirson 1933-4-15 10653 Riverside Whitewater River E of Cabezon, 4.5 mi. up stream from Hwy. 701 Comment
  SBBG51094  Crossosoma bigelovii S. L. Timbrook 1977-2-28 563 Riverside W side of Whitewater Cyn, where Pacific Crest Trail crosses Whitewater Crk 731 Comment
  UC218066  Crossosoma bigelovii A. F. Gilman 1922-3-19 Riverside Andreas Canyon Palm Springs Comment
  SEINET7048171  Crossosoma bigelovii Steven R. Hill 2001-5-3 33677 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  JOTR29573  Croton californicus Andre, Jim 2006-4-26 6777 Riverside Joshua Tree National Park. ridgetop, w. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner of boundary of park 1324 Comment
  RSA150911  Croton californicus P. H. Raven 1962-3-3 16883 Riverside San Gorhonio Pass 0.5 mile east of Whitewater 183 Comment
  SFV11883  Croton californicus R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UC1334737  Croton californicus C. W. Tilforth 1967-2-11 102 Riverside Desert Hot Springs Colorado Desert (along roadside) 335 Comment
  CDA34537  Croton californicus Mike Lahti 2009-9-1 PDR# 1501825 Riverside 0 Comment
  UCR161403  Croton setiger A. C. Sanders, Mike Misenhelter 2005-9-20 31675 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
  UCR220007  Croton setiger A. C. Sanders 2010-11-18 38686 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  SEINET7909563  Cryptantha D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris & Lake Elsinore 488 Comment
  UCR214584  Cryptantha A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37863 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  CHSC143  Cryptantha angustifolia R. Baker 1935-4-15 Riverside Thermal. Comment
  JEPS67471  Cryptantha angustifolia W. I. Follett 1942-5-20 125 Riverside 25.5 mi w Desert Center (near Shaver Summit); Colorado Desert Comment
  POM12152  Cryptantha angustifolia Mary F. Spencer 1920-3-10 1512 Riverside In desert sandy, Mecca, colorado Desert. -60 Comment
  POM72271  Cryptantha angustifolia Marcus E. Jones 1903-5-10 6808 Riverside Palm Spring. 61 Comment
  RSA562065  Cryptantha angustifolia Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6918 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  UCR104004  Cryptantha angustifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2652 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  POM48537  Cryptantha barbigera F. M. Reed 1925-3-17 4993 Riverside Palm Springs. Comment
  JOTR34338  Cryptantha barbigera var. fergusoniae Andre, Jim 2012-4-11 20681 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  OBI20704  Cryptantha barbigera var. fergusoniae Robert F. Hoover 1969-4-11 11210 Riverside Mouth of Morongo Valley Cyn Comment
  UCR137679  Cryptantha barbigera var. fergusoniae A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16133 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR86879  Cryptantha circumscissa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16259 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  JOTR33864  Cryptantha costata La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3050 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps interspersed w/ basalt outcrops 349 Comment
  UC169356  Cryptantha costata S. B. Parish 1913-2-28 8465 Riverside ne of Mecca; Salton Basin -60 Comment
  RSA0079092  Cryptantha cycloptera LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1451 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SBBG63826  Cryptantha dumetorum M. N. Ackley 1928-3-10 46 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  JEPS29317  Cryptantha intermedia Rimo Bacigalupi, and L. R. Heckard 1962-3-26 8413 Riverside 3.3 mi nw Alberhill (w-facing slopes near headwaters of Temescal Wash and Canyon, w base of Estelle Mountain and just opposite Indian Canyon (from w)); Estelle Mountain 304 Comment
  RSA13343  Cryptantha intermedia Percy C. Everett 1935-6-17 7165 Riverside Santa Ana Mts. Coldwater Canyon trail to Santiago Peak. 2 miles above Glen Ivy resort. 609 Comment
  SBBG101725  Cryptantha intermedia S. Boyd, T. Ross, M. Hammitt 1991-5-2 60072 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
  SEINET3084402 Image available Cryptantha intermedia Dave Hawks 1988-4-2 s.n. Riverside Tule Creek drainage, 1.75 miles (airline) NE of Aguanga, SE of intersection of Dove and Sycamore Streets, S of Hwy 371. 762 Comment
  UC1212065  Cryptantha intermedia Peter M. Ray 1949-3-12 1348 Riverside 2 mi w Whitewater (n side of Coachella Valley); Coachella Valley 457 Comment
  UC1929988  Cryptantha intermedia Scott D. White, Justin Wood 2008-6-16 12126 Riverside San Jacinto Mountains: Fobes Canyon, =/- 1 mile up Fobes Ranch Road from Fobes Spring. Comment
  UCR102829  Cryptantha intermedia A. C. Sanders 1997-4-3 20149 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR138586  Cryptantha intermedia Steve Boyd 1986-3-1 1367 Riverside Gavilan Hills, Gavilan Hills, on recent burn, 0.25 mi south of Harford Springs County Park 640 Comment
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May 31 2011
  RSA0075625  Cryptantha intermedia var. johnstonii Michael Honer, L. Hulse 2005-3-7 2034 Riverside Little San Bernardino Mountains region: Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  JOTR28750  Cryptantha maritima La Doux, Tasha 2005-2-7 1031 Riverside Joshua Tree National Park. above Hayfield Dry lake 553 Comment
  RSA776189  Cryptantha maritima Amber Swanson, Duncan S. Bell 2011-3-10 206 Riverside Mecca Hills, E of Painted Cyn Rd Comment
  RSA799817  Cryptantha maritima D. M. Ray 2011-3-5 15 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  UCD80958  Cryptantha maritima Chuck Hughes 2009-3-23 57 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  SDSU18679 SDSU18679
Image available
Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 45 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 607 Comment
  RSA704548  Cryptantha maritima var. pilosa LeRoy Gross 2005-3-3 1573 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  JEPS67969  Cryptantha micrantha W. L. Jepson 1901-5-19 1308 b Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  RSA562062  Cryptantha micrantha Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6921 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  UC79427  Cryptantha micrantha T. S. Brandegee Riverside Palmetto Spring [Palm Springs] Comment
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Jul 8 2010
  UC857178  Cryptantha micrantha Lewis S. Rose 1937-4-10 37152 Riverside La Quinta 0 Comment
  POM13197  Cryptantha micrantha var. lepida P. A. Munz, I. M. Johnston 1922-5-20 5475 Riverside Kenworthy, San Jacinto Mountains 1433 Comment
  SD39201  Cryptantha micrantha var. lepida Edith A. Purer 1935-4-21 6443 Riverside Pine Valley, Pines to Palms Highway Comment
  UCR91398  Cryptantha microstachys Scott D. White 1995-4-5 2717 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  RSA0089246  Cryptantha muricata Steve D. Boyd, Valerie Soza 2004-6-22 11544 Riverside Peninsular Ranges: San Jacinto Mountains region: Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  RSA611564  Cryptantha muricata R. S. Woglum 1941-6-12 3072 Riverside Riverside / San Diego counties. Peninsular Ranges: Santa Rosa Mountains. Comment
  SD126023  Cryptantha muricata David Charlton 1988-5-21 1949 Riverside Thomas Mountain Road from North to South. West of Garner Valley and south of Lake Hemet on Highway74 1675 Comment
  UCR162877  Cryptantha muricata T. B. Salvato, Kelly Volansky 2003-3-27 125 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA554369  Cryptantha nevadensis Theo Glenn 1991-4-9 91 -1 Riverside Big wash in Eagle Mountains. 786 Comment
  RSA0124380  Cryptantha pterocarya var. cycloptera Duncan S. Bell, LeRoy Gross 2016-3-31 9196 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
  SBBG63969  Cryptantha utahensis M. N. Ackley 1928-3-10 45 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  RSA394309  Cucurbita foetidissima Edwin Kline 1920-12-7 s.n. Riverside near Beaumont. Calif Comment
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Feb 12 2008
  UC28915  Cucurbita palmata H. M. Hall 1901-8-6 2654 Riverside vicinity of Riverside 457 Comment
  RSA545300  Cuscuta californica R. F. Thorne 1967-12 41890 Riverside Palm desert Comment
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Jun 16 2013
  RSA597140  Cuscuta californica L. C. Wheeler 1962-7-26 8177 Riverside Head of San Juan Creek. Comment
  UCR231775  Cuscuta californica John F. Green 2008-4-23 08- 19 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR262232  Cuscuta californica T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3713 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
  RSA652887  Cuscuta campestris John Wallace 1991-5-8 20 Riverside Colorado River,. Approximately 3 miles south of Lost Lake Resort. Comment
  CLARK-A1703-58  Cuscuta subinclusa H. A. Zuill 1966-7-4 276 Riverside Murrieta Comment
  UCR90280  Cycloloma atriplicifolium Scott D. White 1995-7-7 3446 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA0097555  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18291 Riverside Chuckwalla Bench, 64 km WSW of Blythe, 3.9 km south of Augustine Pass. 660 Comment
  SEINET9037778 Image available Cylindropuntia bigelovii M. A. Baker, Michelle Cloud-Hughes 2015-1 18288 .2 Riverside Orocopia Mountains, 2.4km north of Red Canyon, 52km east of Indio, mostly granitic grus and rocks 658 Comment
  RSA0059450  Cylindropuntia californica var. parkeri Lyman Benson 1963-7-13 16388 Riverside 1/2 mile north of Aguanga. 610 Comment
  RSA658861  Cymopterus panamintensis var. acutifolius J. C. Roos 1947-2-15 3243 Riverside Lost Palms Cyn. S face of Eagle Mtns., west of Hayfeilds. Comment
  UCR2292  Cynodon dactylon F. M. Reed 1903-11-29 83 Riverside Riverside, Ramona Ranch [Blaine St. between Chicago and Iowa, at or near the arroyo crossing] 293 Comment
  CAS-BOT-BC114417  Cyperus erythrorhizos A. C. Sanders; Oscar F. Clarke 1991-10-5 11742 Riverside Rubidoux, Santa Ana River Regional Park, ca. 0.3 mi SE of Louis Rubidoux Nature Center. Comment
  UCR85377  Cyperus erythrorhizos A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11742 Riverside Santa Ana River Valley, Rubidoux, Santa Ana River Regional Park, c. 0.3 mi SE of Louis Rubidoux Nature Center Comment
  RSA502522  Cyperus involucratus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3577 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA666722  Cyperus involucratus A. C. Sanders, Steven R. Hill 2001-5-4 24149 Riverside Santa Ana Mountains region: W of Temecula, Santa Rosa Plateau area, Carancho Rd. at stream crossing (nameless tributary to De Luz Creek) just west of Camaron Rd., east of Calle Calmar., 33 29.6 N, 117 15.9 W 396 Comment
  CAS-BOT-BC113965  Cyperus odoratus Frederick Morris Reed 1903-12-13 412 Riverside Bog above Bollingers Dam. Arroyo Chico. Comment
  POM153370  Cyperus odoratus Phillip A. Munz, I. M. Johnston 1928-9-12 11244 Riverside North end of Lake Elsinore. Comment
  CLARK-A1528-470  Dalea mollissima Rodney Hendrick 1965-3-14 Riverside Box Canyon 182-274 Comment
  RSA0107853  Dalea mollissima Duncan S. Bell, Amanda Turek 2009-3-30 163 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  RSA799253  Dalea mollissima Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 751 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  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
  UCR41745  Dalea mollissima A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6067 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 1/2 mi. west of Graham Pass Rd., on powerline road 1/2 mi. south of old Hwy 60 (Chuckwalla Road) 134 Comment
  RSA414181  Dasyochloa pulchella Robert M. Perkins, H. de Forest 1937-3-15 409 Riverside 20 miles east of Desert Center Comment
  RSA795515  Dasyochloa pulchella C. P. Cowan 1978-4-23 1186 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UCR199562  Datisca glomerata Scott D. White 2004-4-26 10268 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR139652  Datura wrightii A. C. Sanders 2004-7-1 28374 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
  UCR230216  Daucus pusillus A. C. Sanders 2011-4-6 38982 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  CAS-BOT-BC294104  Deinandra kelloggii H. M. Hall 1901-6-1 2420 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  SD178130  Deinandra kelloggii A. C. Sanders 2004-5-12 27888 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. At edge of riparian zone and on dry hill slopes. 377 Comment
  UC32758  Deinandra kelloggii H. M. Hall Jun 1 1901-Jul 1 1901 2420 Riverside in the vicinity of Strawberry Valley; San Jacinto Mountains 1584 Comment
  CAS-BOT-BC131032  Deinandra paniculata H. M. Hall 1930-11-9 13025 Riverside Aguanga Hills, 5 miles from Aguanga Comment
  SEINET7838973 Image available Deinandra paniculata I. M. Wilder 1905-7-25 127 Riverside Jurupa Hills west Riverside Comment
  JOTR34169  Delphinium parishii subsp. parishii Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 126 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  UC111321  Delphinium parishii subsp. parishii S. B. Parish 1907-4-18 6074 Riverside w edge Colorado Desert; Palm Springs 200 Comment
  UCR116889  Delphinium parryi A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24201 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  CAS-BOT-BC121435  Delphinium parryi subsp. parryi L. R. Abrams 1935-4-7 13665 Riverside Gavilan Hills Region, 2 mi SW of Perris Comment
  CAS-BOT-BC198173  Deschampsia danthonioides A. C. Sanders 1993-5-12 13998 Riverside Hemet, SW corner of the intersection of Florida Ave. (Hwy. 74) and Warren Rd., between the New San Diego Aqueduct and Warren 457 Comment
  SD136278  Deschampsia danthonioides Robert Noll 1994-4 Riverside Hemet, corner of Warren and Florida Avenues Comment
  UCR85163  Descurainia pinnata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16082 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  JOTR33724  Descurainia pinnata subsp. glabra La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2725 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic outcrops near Stirrup Tank parking lot (Stop 1) Comment
  SD212681  Dicentra chrysantha A. C. Sanders, T. B. Salvato 2006-6-2 33084 Riverside Hills between Murrieta and Menifee Valley, west of I-215, South of Bundy Canyon/Scott Road and North of Clinton Keith Road. 548 Comment
  SD38252  Dicentra chrysantha Newton 1931-5-10 2073 Riverside Murrieta Canyon Comment
  SEINET3885714  Dichelostemma pulchellum Steve Boyd, Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-1 4013 Riverside Vail Lake area, lower slopes of Aqua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta.; 0 488 Comment
  CAS-BOT-BC292186  Dicoria canescens Louis C. Wheeler 1933-12-1 2287 Riverside 2 mi. E Cabezon [Cabazon], San Gorgonio Pass 640 Comment
  CAS-BOT-BC292193  Dicoria canescens R. S. Ferris 1958-3-1 s.n. Riverside South of Dale Dry Lake east of Twenty-nine Palms Comment
  POM15075  Dicoria canescens Mary F. Spencer 1920-4-20 1931 Riverside Palm Springs. 122 Comment
  UCSB7955  Dicoria canescens Dearing, Hugh; Dearing, Margaret 1939-11-12 Riverside W. Colorado Desert Comment
  UC76971  Digitaria sanguinalis F. M. Reed 1904-8-23 644 Riverside Riverside Comment
  UCR1413  Digitaria sanguinalis Frank C. Vasek 1959-7-17 590717- 12 Riverside Riverside, residential garden of F.C. Vasek, 636 Sandalwood Court 335 Comment
  CAS-BOT-BC152912  Diplacus brevipes John Thomas Howell 1930-5-10 4794 Riverside At top of St. John's Grade Comment
  SD241952  Diplacus brevipes P. A. Munz, J. M. Johnston 1922-5-20 Riverside San Jacinto Mountains: 2 miles below Kenworthy, Thomas Valley. 1372 Comment
  OBI9551  Diplacus clevelandii H. E. McMinn 1946-8-25 5523 Riverside From potted plant grown from seed collected in Santa Ana Mts, western Riverside County in 1945 Comment
  RSA0016057  Diplacus fremontii Duncan S. Bell, Valentin Arvizu 2010-5-10 974 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  RSA0019425  Diplacus fremontii Christopher Davidson 1975-6-16 2808 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  SEINET1906983  Diplotaxis muralis O. F. Clarke 2002-1 Riverside Riverside; UCR Botanical Garden. 351 Comment
  SD212581  Dipsacus sativus Kurt Campbell 2006-6-15 Riverside Perris-Aguanga Basin; Temecula, northwest corner of Moraga Rd. and Rancho California Road. 334 Comment
  RSA613137  Distichlis spicata D. L. Banks 1997-3-6 1407 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  UCR231754  Distichlis spicata John F. Green 2008-4-23 07- 03 Riverside Peninsular Range, hills south of Perris, powerline route above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 439 Comment
  RSA421610  Ditaxis lanceolata Anonymous 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCD142874  Ditaxis lanceolata James Henrickson 1963-3-29 1215 Riverside 12 miles West of Desert Center, near Eagle Mt. 533 Comment
  RSA0019474  Dithyrea californica J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24390 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  SD224894  Dithyrea californica A. C. Sanders, K. Rose & D. Woodard 1995-3-15 16142 Riverside Coachella Valley: mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and I-10. 328 Comment
  UC118027  Dithyrea californica T. S. Brandegee 1902-5-14 Riverside Whitewater Comment
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Jan 15 2010
  CAS-BOT-BC41606  Draba corrugata var. corrugata Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain. 2438 Comment
  RSA0124741  Draba cuneifolia Duncan S. Bell, LeRoy Gross 2016-3-9 8844 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  RSA530890  Draba saxosa I. M. Johnston 1928-9-3 s.n. Riverside Mt. San Jacinto. 3288 Comment
  IRVC135  Dryopteris arguta Debbi DeVault 1965-4-24 HS 531 Riverside Highway 74; 1/4 mile SE of Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  UCR241631  Dudleya lanceolata T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 378 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, below mouth of Lion Canyon along the road toward the canyon from Deep Creek Rd. 569 Comment
  SBBG104170  Dudleya saxosa subsp. aloides E. R. Blakley 1993-5-20 7658 Riverside Pinto Mtns, E of White Tank Cmpgrd, Joshua Tree Nat Monument Comment
  UCR185172  Eleocharis bella Naomi Fraga, Et al. 2006-7-11 1727 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  SEINET7586165 Image available Eleocharis geniculata Ivan Johnston 1917-4-4 s.n. Riverside Palm Canyon. 305 Comment
  SD204751  Eleocharis macrostachya R. F. Thorne, E. W. Lathrop, et al. 1982-6-5 55212 Riverside Santa Ana Mountains region: Southwest of Murrieta. Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached from De Luz road. 579 Comment
  SD148281  Eleocharis montevidensis A. C. Sanders, Mitch Provance 2001-5-7 24170 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd, 0.5-0.75 mi. E of State St, bet. Silver Dew Dr & Morse Girard St, slopes & wash below mouth of Avery Canyon; Hemet 7.5' quad. In wet mud at the spring, but only there. 502 Comment
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Mar 24 2011
  RSA557316  Eleocharis radicans Julie Greene, Steve Boyd, David E. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1424 Riverside San Jacinto Wildlife Area. 433 Comment
  UCR195142  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35940 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  UCR231743  Elymus condensatus John F. Green 2008-4-23 08- 12 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
  JOTR31140  Elymus elymoides subsp. elymoides La Doux, Tasha 2009-6-3 1851 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  CAS-BOT-BC206525  Elymus glaucus subsp. glaucus Steve Boyd; Tim Ross 1992-5-4 7203 Riverside Sourthern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats area east of Verdugo Potrero 731 Comment
  UCR193906  Elymus hispidus A. C. Sanders, Mitch Provance 2008-7-11 35746 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  UCR158946  Elymus triticoides Scott D. White 1994-6-14 2052 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  RSA594781  Emmenanthe penduliflora D. L. Banks, Dylan Hannon 1996-5-3 975 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  RSA701471  Emmenanthe penduliflora M. Wall 1996-7-1 191 Riverside Cherry Valley, Beaumont/Oak Glen Rd, 2.6 mi N of Cherry Vly Blvd, top of steep E slope of Little San Gorgonio Creek. Comment
  CAS-BOT-BC172827  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, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  SD73627  Encelia actoni Helen V. Witham 1970-4-29 826 Riverside 20 miles east of Lake Hemet. 1299 Comment
  SD87729  Encelia actoni Frank W. Peirson 1928-4-24 7891 Riverside Cottonwood Spring. Comment
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Oct 9 2010
  UC154553  Encelia actoni unknown 1904-5-1 302 Riverside Cabazon 579 Comment
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Mar 28 2015
  UCR116782  Encelia actoni A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24166 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  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
  CAS-BOT-BC131326  Encelia farinosa Steve Boyd 2007-4-20 11724 Riverside Peninsular Ranges; Perris-Aguanga Basin region: Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of Walsh Canyon, ca. 0.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old... 549 Comment
  CAS-BOT-BC131344  Encelia farinosa L. R. Abrams 1926-3-26 11079 Riverside Palm Canyon Comment
  HSC83022  Encelia farinosa N. M. Fellows 1984-3-20 3 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mtns., 1 mi. W of Snow Creek Village 488 Comment
  UCR83194  Encelia farinosa A. C. Sanders 1994-5-15 14483 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  SEINET10618312  Encelia farinosa David B. Dunn 1949-3-15 Dunn 2040 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  RSA525271  Encelia farinosa var. farinosa Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4585 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  CAS-BOT-BC131425  Encelia frutescens Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13228 Riverside Rice-Desert Center road, at intersection of San Bernardino-Riverside county line Comment
  UCR277626  Encelia frutescens Aaron C. Sedgwick 2012-11-9 164 Riverside Mojave Desert, south of Needles, Chemehuevi Wash basin, west of Hwy 95 on Turtle Mountain Road 76 Comment
  UCR279394  Encelia frutescens A. C. Sanders, Jim Malusa 2017-3-25 43010 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCR89580  Encelia frutescens George K. Helmkamp 1994-3-8 41 8 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  RSA234110  Ephedra aspera Robert F. Thorne, R. Carolin 1967-3-21 41640 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA597528  Ephedra aspera L. C. Wheeler 1956-2-24 7175 Riverside Pines to Palms Highway ca. 0.45 mi. downhill from 3000 ft. marker. Rocky east facing slope 915 Comment
  RSA342001  Ephedra californica Robert F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54115 Riverside Along Whitewater River, E of bridge and levee Comment
  CAS-BOT-BC81683  Ephedra fasciculata Ivan Johnston 1917-4-4 1048 Riverside Palm Canyon 457 Comment
  UC813704  Ephedra nevadensis Ivan Johnston Riverside Palm Canyon Colorado Desert, Palm Canyon 304 Comment
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Jul 4 2015
  SEINET5585522  Ephedra trifurca Duncan S. Bell 2009-1 222 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  RSA180495  Epilobium canum subsp. canum E. W. Lathrop 1965-9-22 6017 Riverside 8 miles west of Murrieta. Comment
  CAS-BOT-BC171735  Epilobium canum subsp. latifolium Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC171740  Epilobium canum subsp. latifolium S. B. Parish 1916-5-13 10859 Riverside Cottonwood Spr., Colorado Desert 792 Comment
  RSA736740  Epilobium canum subsp. latifolium Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10678 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  RSA680526  Epilobium ciliatum subsp. ciliatum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8647 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
  UCR201639  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-6-18 12213 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  RSA80646  Epilobium pygmaeum F. W. Peirson 1922-5-19 4112 Riverside Menifee Valley, near Murrieta. 427 Comment
  UCR3709  Epipactis gigantea Frank C. Vasek 1964-7-25 640725- 03 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  SEINET251885 Image available Eragrostis barrelieri Unknown 1996-3-17 17978 Riverside Coachella Valley: Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  CAS-BOT-BC204486  Eragrostis cilianensis J. C. Roos 1965-7-7 s.n. Riverside San Jacinto Comment
  UC576272  Eragrostis cilianensis H. S. Yates 1936-8-29 6372 Riverside Idlewild; San Jacinto Quadrangle Comment
  SBBG56820  Eragrostis mexicana M. N. Ackley 1928-3-25 Riverside near Edom 64 Comment
  UCD63462  Eragrostis mexicana subsp. mexicana G. Helmkamp 1997-11-1 2518 Riverside Bermuda Dunes, 41st St. and Sparky (just E of Washington and S of I-10). 30 Comment
  RSA653239  Eragrostis mexicana subsp. virescens Mitch Provance, A. C. Sanders 2000-7-4 2081 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  RSA737430  Eragrostis mexicana subsp. virescens Justin M. Wood 2008-8-31 126 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  RSA27218  Eremalche exilis C. L. Hitchcock 1940-4-4 5960 Riverside Pinto Basin. Comment
  RSA522776  Eremalche exilis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3883 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UC18773  Eremalche exilis S. B. Parish Apr 4 1896-Apr 13 1896 4110 Riverside Palm Sprngs (Agua Caliente), desert base of San Jacinto Mt. San Jacinto Mt., Palm Sprngs (Agua Caliente) 152 Comment
  UC665865  Eremalche exilis Ira L. Wiggins 1941-3-27 9685 Riverside 8 mi. n.e. Desert Center; s. end Coxcomb Mts. Comment
  UCR244444  Eremalche exilis Jim Andre 2012-4-16 20935 Riverside Southern Mojave Desert, Joshua Tree National Park; along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of (paved) National Park Loop Rd. 990 Comment
  UCR85090  Eremalche exilis A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16022 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  RSA516914  Eremalche rotundifolia Steve Boyd, Orlando Mistretta 1986-3-13 1458 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UCR148462  Eremalche rotundifolia S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR19099  Eremalche rotundifolia John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  UC1186516  Eremothera boothii subsp. condensata E. G. Linsley and J. W. MacSwain 1960-3-2 60 -4 Riverside twenty mi e Desert Center Comment
  UCSB12907  Eremothera boothii subsp. condensata Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon near Los Angeles Aqueduct Comment
  JOTR33784  Eriastrum densifolium subsp. austromontanum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2924 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Loamy, gravelly slope in saddle below the summit Comment
  RSA0104872  Eriastrum densifolium subsp. austromontanum P. A. Munz, I. M. Johnston 1924-7-29 8837 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  JOTR29500  Eriastrum densifolium subsp. elongatum Bell, Mike, Nicole Pietrasiak 2006-7-7 s.n. Riverside Joshua Tree National Park. Upper Covington Flat; trail head parking lot 1469 Comment
  JOTR32371  Eriastrum diffusum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2483 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
  RSA0119714  Eriastrum diffusum subsp. coachellae P. A. Munz, I. M. Johnston 1922-5-6 5169 Riverside Colorado Desert, dry Morongo Wash. Comment
  JOTR32969  Eriastrum eremicum subsp. eremicum La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2720 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  RSA0120077  Eriastrum eremicum subsp. eremicum Scott D. White, Andrea Warniment 2006-3-22 11273 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  OBI042652  Eriastrum eremicum subsp. eremicum D. Hoover 1986-4-7 774 Riverside Dry wash of the main canyon just below the BLM gate 1800 Comment
  SD45397  Eriastrum filifolium Herbert L. Mason 1926-5-2 3200 Riverside Temecula Valley Comment
  UCR178416  Eriastrum sapphirinum John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  RSA0121559  Eriastrum sapphirinum subsp. dasyanthum Scott D. White 1997-5-25 5231 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing at ca. 3200 ft. 793 Comment
  JOTR29150  Ericameria cuneata var. spathulata La Doux, Tasha, Mike Bell 2003-10-17 1127 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 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
  SD255094  Ericameria cuneata var. spathulata Duncan S. Bell 2015-9-30 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  RSA606372  Ericameria parishii Jon E. Keeley, J. T. Rothrock 1992-11-11 22534 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  CDA27739  Ericameria pinifolia Mike Lahti 2008-11-4 PDR# 1509245 Riverside Hemet, 0.5 miles east of Sage Rd. along Red Mountain Rd. 0 Comment
  UC2030137  Ericameria pinifolia Scott D. White 2000-10-20 8137 Riverside SOUTH OF HEMET: Gibbel Flat: in the Santa Rosa Hills. Comment
  UCR92756  Ericameria pinifolia F. M. Reed 1933-11-6 8309 Riverside Peninsular Range; Santa Rosa Mtns, Santa Rosa Indian Reservation 1402 Comment
  SDSU13523  Erigeron bonariensis W. Miller with C. Mosse 1972-7-11 Riverside Comment
  UC86756  Erigeron breweri var. jacinteus A. W. Anthony 1895-7-12 Riverside San Jacinto Mountains 2438 Comment
  SFV13146  Erigeron canadensis M. J. Thor 1982-9-16 131 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  POM187411  Erigeron foliosus L. Crutcher 1933-8-2 s.n. Riverside Camp Tahquitz, San Jacinto Mountains. Comment
  RSA717587  Erigeron foliosus A. C. Sanders 2004-5-12 27880 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  POM157944  Erigeron foliosus var. foliosus P. A. Munz 1927-5-20 10824 Riverside 10 miles S. of Hemet. Comment
  RSA613956  Eriochloa acuminata A. C. Sanders 1994-7-27 15162 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge., (T2S R5W, 117 deg 22.5'W, 34 deg 01'N.) 246 Comment
  UC1100239  Eriochloa acuminata var. acuminata Malcolm A. Nobs, S. Galen Smith 1948-9-3 495 Riverside 2 mi n of Indio (Imperial Valley); Imperial Valley Comment
  UCR26265  Eriochloa contracta John C. Roos 1963-8-10 s.n. Riverside Sonoran (Colorado) Desert, Colorado River Valley, Blythe 82 Comment
  RSA444486  Eriodictyon crassifolium J. C. Roos 1947-3-15 3340 Riverside San Jacinto Mtns: Cranston Ranger Station, E of Hemet, west base of Mtns. 610 Comment
  CLARK-A1528-545  Eriodictyon trichocalyx C. M. Flanagan 1973-5-31 OO 616 Riverside Morongo Indian Reservation 975 Comment
  UCSB9700  Eriodictyon trichocalyx var. trichocalyx Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon Comment
  RSA783134  Eriogonum J. D. Olmsted 1959-10-23 1071 Riverside On Idyllwild Banning road, 2 miles S of turnoff to Poppett Flat. San Jacinto Mts to San Jacinto River. 1280 Comment
  JEPS57094  Eriogonum apiculatum Carl V. Meyer 1928-7-26 527 Riverside near Roach Sawmill; San Jacinto Mt. Comment
  RSA393082  Eriogonum apiculatum N. C. Cooper 1949-6-29 4284 Riverside Palms to Pines Hwy, San Jacinto Mt 915 Comment
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May 13 2011
  RSA698422  Eriogonum apiculatum J. R. Bruff 1934-6-19 539 Riverside Palms and Pines Hwy. Comment
  RSA766437  Eriogonum apiculatum E. L. Peterson 1931-9-8 s.n. Riverside Ridge trail to Tahquitz Peak, along S side of Tahquitz Valley. San Jacinto Mts. 2439 Comment
  SBBG160  Eriogonum apiculatum R. Hoffmann 1929-9-6 Riverside above Tahquitz Valley 2499 Comment
  UC597726  Eriogonum apiculatum Philip A. Munz 1937-5-30 15110 Riverside Dos Palmos Spring, n end Santa Rosa Mts. Santa Rosa Mts. 1097 Comment
  UC729819  Eriogonum apiculatum Carl B. Wolf 1932-8-4 3913 Riverside near Idyllwild (Point View); San Jacinto Mts. 1645 Comment
  RSA393465  Eriogonum davidsonii M. B. Dunkle 1934-6-18 3999 Riverside Head of San Juan Canyon. 549 Comment
  RSA653733  Eriogonum deflexum Scott D. White 2000-3-27 7641 Riverside Coachella Valley, Indio Hills area: Bajada at south side of hills, in Granite Rock Aggregate Quarry operation area. Disturbed soils near powerline tower on S margin of quarry. 46 Comment
  SD132454  Eriogonum elongatum var. elongatum Scott White 1990-10-2 Riverside Vail Lake Area; Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  RSA708052  Eriogonum fasciculatum subsp. foliolosum Scott D. White, Angelia Carey 2004-4-16 10169 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  SD247480  Eriogonum fasciculatum subsp. polifolium T. B. Salvato 2014-3-29 8026 Riverside Perris-Aguanga Basin: Menifee, northeast corner of Bundy Canyon Road and Debon Street, about 0.7 mile west of Murrieta Rd. and 4.4 mile southeast of Canyon Lake. 537 Comment
  CAS-BOT-BC249954  Eriogonum fasciculatum var. foliolosum James L. Reveal; Caroline G. Reveal 1972-8-9 2848 Riverside Along Califiornia Highway 79 at the junction of Auld Road south of Winchester Comment
  RSA766112  Eriogonum fasciculatum var. foliolosum Joseph A. Ewan 1930-4-17 2193 Riverside Near mouth of Snow Canyon. 610 Comment
  POM294039  Eriogonum fasciculatum var. polifolium Lyman Benson 1945-3-29 11643 Riverside 2 miles south of Whitewater. 366 Comment
  RSA339070  Eriogonum fasciculatum var. polifolium Robert F. Thorne, C. W. Tilforth 1980-5-28 54214 b 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
  SD259054  Eriogonum fasciculatum var. polifolium Sarah J. De Groot, Thomas Stoughton 2016-4-19 7801 Riverside Santa Rosa Mountains; along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head od Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1230 Comment
  SEINET239005  Eriogonum fasciculatum var. polifolium B. Pitzer 1997-4-20 3195 Riverside Lakeview Mtns: Warren Road just before it connects with Pulsar View Rd ca. 1 air mile N of Juniper Flats Rd. [UTM 10km 518 Comment
  UC1329844  Eriogonum fasciculatum var. polifolium James E. Cole 1941-5-17 715 Riverside Covington Flat Canyon Joshua Tree National Monument, Covington Flat Canyon 1371 Comment
  SBBG28192  Eriogonum gracile I. W. Clokey 1935-8-21 6593 Riverside Hemet Lake 1300 Comment
  SBBG62102  Eriogonum gracile P. A. Munz, I. M. Johnston 1928-9-12 11255 Riverside Temescal Cyn Comment
  SEINET5329485  Eriogonum gracile J. L. Reveal, Caroline G. Reveal 1972-8-6 2844 Riverside Along California Highway 74, 1.5 miles southwest of the summit of Santa Ana Mountains, 9 miles southwest of Elsinore and aboot 22 miles east-northeast of San Juan Capistrano, near turnoff to McConville Camp, 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
  RSA588814  Eriogonum gracile var. incultum D. L. Banks, S. D. Boyd 1995-10-17 767 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. 512 Comment
  UC1979861  Eriogonum gracile var. incultum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3572 Riverside Peninsular Ranges; San Jacinto Mountains region: Southern spur of Pine Meadow, southeast of Highway 371, northwest of Santa Rosa Summit. Survey north side of Highway 74. Comment
  POM2336  Eriogonum gracillimum Jenkins, Street 1917-5-30 1970 Riverside San Jacinto. Comment
  SEINET3087580 Image available Eriogonum inflatum John Adams 1965-4-17 135 Riverside Hwy 111, 2 mi. E of Palm Springs near foothills. 244 Comment
  SEINET4087516  Eriogonum inflatum G. T. Manthey 1977-1 1630 Riverside Road leading from Mecca to Joshua Tree National Monument. Comment
  UC85855  Eriogonum inflatum var. deflatum Mrs. E. C. Thurber 1896-3-21 Riverside Palm Springs Comment
  RSA393577  Eriogonum inflatum var. inflatum Bonnie C. Templeton, I. W. Clokey 1930-4-9 1005 Riverside North of Palm Springs. 400 Comment
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Nov 8 2011
  SBBG64005  Eriogonum inflatum var. inflatum J. Ewan 1929-3-23 Riverside Whitewater Cyn 487 Comment
  RSA393696  Eriogonum molestum N. C. Cooper 1944-6-16 1558 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  JOTR34125  Eriogonum nidularium La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1014 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 1.75 mi northeast of Cottonwood Visitor Center along roadside of Rte. 11 930 Comment
  CAS-BOT-BC269783  Eriogonum nudum var. pauciflorum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  UC56366  Eriogonum nudum var. pauciflorum J. Vandeventer 1903-1 14 Riverside San Jacinto Mts. Comment
  UC64502  Eriogonum nudum var. pauciflorum H. M. Hall 1897-8-12 824 Riverside from Strawberry to Tamarack Valley Comment
  CDA22643  Eriogonum pusillum T. C. Fuller 1964-4-14 11825 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  CLARK-A1528-3695  Eriogonum pusillum John C. Roos 1943-5-23 2667 Riverside Little San Bernardino Mountains 914 Comment
  JOTR34122  Eriogonum pusillum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2736 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  UCD80952  Eriogonum reniforme Chuck Hughes 2009-3-23 63 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  CAS-BOT-BC263538  Eriogonum thomasii Peter Kamb 1948-4-11 876 Riverside Aqueduct Road 5 mi. east of Garnet, Coachella Valley 304 Comment
  JEPS56264  Eriogonum thomasii W. L. Jepson 1928-4-26 12642 Riverside Whitewater Bridge San Gorgonio Pass, Whitewater Bridge Comment
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Jan 14 2010
  JOTR28876  Eriogonum thomasii La Doux, Tasha, Bill Truesdell 2004-3-17 1111 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  POM147642  Eriogonum thomasii F. M. Reed 1927-3-20 5413 Riverside Salt Creek Wash. Comment
  POM47240  Eriogonum thomasii Mary F. Spencer 1920-3-13 s.n. Riverside Mecca -60 Comment
  RSA779594  Eriogonum thomasii Duncan S. Bell 2009-3-7 26 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  CAS-BOT-BC262876  Eriogonum thurberi John Thomas Howell 1931-6-4 6646 Riverside San Gorgonio Pass Comment
  RSA424979  Eriogonum thurberi Anstruther Davidson 1892-04 s.n. Riverside Palm Springs. Comment
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Oct 3 2010
  UC849296  Eriogonum thurberi Alice Eastwood 1913-4-30 3075 Riverside Palm Springs Comment
  UCR167306  Eriogonum thurberi Scott D. White, Jennifer H. Jones 2005-5-24 11100 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  CAS-BOT-BC263582  Eriogonum trichopes P. A. Munz; R. D. Harwood 1920-4-4 3528 Riverside Pass So. of Palm Springs 152 Comment
  UCR35085  Eriogonum umbellatum var. munzii L. B. Ziegler 1964-7-24 4 Riverside Santa Rosa Mountains, Santa Rosa Mtn. 2195 Comment
  IRVC26927  Eriogonum viridescens A. C. Sanders, Mark Elvin 2001-8-17 24597 Riverside trail from Key's View to Inspiration Point, Joshua Tree National Park Mojave Desert, Little San Bernardino Mtns 1585 Comment
  SEINET3087398 Image available Eriogonum wrightii subsp. membranaceum Steve Boyd 1985-10-5 1190 Riverside Gavilan Hills; Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  JEPS56112  Eriogonum wrightii var. membranaceum C. M. Dammers 1933-10-25 Riverside The Gavilan Gavilan Hills, The Gavilan Comment
  RSA0104484  Eriogonum wrightii var. membranaceum Duncan S. Bell 2015-9-30 8671 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UC1080367  Eriogonum wrightii var. membranaceum E. K. Balls and P. C. Everett 1957-8-20 22674 Riverside Hamilton Grade along rd. from Palms to Pines Hwy. to Aguanga; Hamilton Grade 1463 Comment
  RSA65010  Eriogonum wrightii var. nodosum F. W. Peirson 1922-12-27 3333 Riverside Andreas Canyon, east base of San Jacinto Mountains 610 Comment
  UCR163888  Eriogonum wrightii var. nodosum B. G. Pitzer 2001-11-4 4348 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  UC1133262  Erioneuron pulchellum H. S. Yates 1937-3-24 6454 Riverside Deep Canyon Thermal Quadrangle Comment
  UCR123824  Eriophyllum confertiflorum Steven R. Hill, A. C. Sanders 2001-5-4 33698 Riverside Peninsular Range, Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pina Colada 381 Comment
  UC472866  Eriophyllum wallacei Mary Fiske Spencer 1926-3-8 26 Riverside Snow Canyon washes, base of San Jacinto Mts; , Snow Canyon Comment
  UCSB18835  Eriophyllum wallacei Schevill, Peggy 1963-5-5 Riverside Pinyon Flats Campground, State Highway 74 1219 Comment
  UCSB19368  Eriophyllum wallacei Creighton, B. 1961-5-6 Riverside 7.9 miles south of Banning on Banning-Idyllwild road, about 25 miles east of Riverside 1158 Comment
  UCR100441  Erodium botrys B. G. Pitzer 1997-4-20 3205 Riverside Lakeview Mtns, Approximately 50 ft. east of intersection of Stagecoach Road with Juniper Flat Road. 534 Comment
  UCR100175  Erodium brachycarpum Scott D. White 1993-3-3 1987 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR225596  Erodium brachycarpum A. C. Sanders, T. B. Salvato 2011-3-29 38878 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  RSA0013619  Erodium cicutarium LeRoy Gross, Duncan S. Bell 2013-4-30 6026 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  CHSC105717  Erythranthe diffusa P. A. Munz; I. M. Johnston 1922-5-20 5467 Riverside Kenworthy, San Jacinto Mountains 1463 Comment
  RSA0018800  Erythranthe guttata Mary F. Spencer 1921-6-1 1709 Riverside Idyllwild, San Jacinto Mountains 1616 Comment
  SEINET8411978  Erythranthe microphylla G. R. Campbell 1948-7-3 606 Riverside 3 miles north of Dark Canyon, road between Idyllwild and Banning. Comment
  RSA0015878  Erythranthe moschata E. C. Jaeger 1921-6-21 s.n. Riverside Idyllwild. 1585 Comment
  RSA0014883  Erythranthe primuloides J. D. Olmsted 1959-7-7 740 Riverside Skunk Cabbage Meadow, 5 mi. east of Idyllwild. Tahquitz Creek drainage area. 2409 Comment
  UCD101613  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 258 B Riverside California. Riverside County: Joshua Tree National Park. 610 Comment
  UCD101786  Eschscholzia androuxii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 512 Riverside California. Riverside County: Joshua Tree National Park. 724 Comment
  RSA0022929  Eschscholzia androuxii M. B. Dunkle 1935-3-30 4421 Riverside Pinto Basin, Colorado Desert. 915 Comment
  UCR77710  Eschscholzia caespitosa Steve Boyd 1991-5-10 6210 Riverside Santa Ana Mtns, Base of range just north of mouth of Hagador Canyon, bottom Skyline Drive 459 Comment
  RSA543978  Eschscholzia caespitosa subsp. caespitosa Steve Boyd 1991-5-10 6210 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  RSA594779  Eschscholzia californica D. L. Banks, Dylan Hannon 1996-5-3 973 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  UC1551988  Eschscholzia californica Lyman Benson 1952-4-8 14850 Riverside 2 mi w Shaver Summit (e of Indio, US 66); Colorado Desert, Colorado River Drainage 609 Comment
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Mar 26 2011
  RSA0022943  Eschscholzia californica J. D. Olmsted 1959-6-25 687 Riverside Strawberry Creek drainage area. Fern Valley, 4 mi SW of Hidden Lodge Camp near Idyllwild. 1707 Comment
  UC1929974  Eschscholzia minutiflora Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10453 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCSB33609  Eschscholzia minutiflora Simmons, Karen 1979-3-25 Riverside 8.8 miles south-west of Hwy 10; on Box Canyon Road 30 Comment
  RSA0121212  Eschscholzia papastillii Duncan S. Bell, LeRoy Gross 2016-3-8 8820 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of the range, approximately 2 air miles east southeast of the summit for the range. 603 Comment
  JOTR28954  Eschscholzia parishii La Doux, Tasha 2005-3-30 1190 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA767449  Eschscholzia parishii Jim Andre, Tasha La Doux 2009-3-10 11234 Riverside Joshua Tree National Park: south end of the Cottonwood Mountains near Pinkham Wash just north of aqueduct just inside National Park boundary, approx. 7 miles west of south entrance into park at Cottonwood. 542 Comment
  UC667307  Eschscholzia parishii Annie M. Alexander and Louise Kellogg 1941-5-14 2169 Riverside 5 mi s Cottonwood Spring; Colorado Desert, Eagle Mountains Comment
  UCR147669  Eschscholzia parishii Steve Boyd, Et al. 2004-5-14 11222 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UC1713777  Escobaria vivipara var. alversonii P. A. Munz and D. Keck 1922-4-10 5014 Riverside Chuckawalla Mts. Colo. Desert 518 Comment
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Oct 3 2011
  RSA776250  Eucnide urens Duncan S. Bell 2010-3-20 634 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  RSA777156  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Boyd, S. G. 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-Hwy Vehicle Area. Comment
  SEINET10638532  Eucrypta chrysanthemifolia var. chrysanthemifolia Greg Gust, Leith Nye 2005-3-10 Gust 536 Riverside City limits of Lake Elsinore on River Bank just off of Auto Center Dr, N of junction with Diamond Dr. 400 Comment
  UCR137507  Eucrypta chrysanthemifolia var. chrysanthemifolia D. L. Banks 1997-3-29 1584 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  SEINET6060470  Euonymus occidentalis Scott D. White 1919-1-6 6946 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  SEINET4691917  Euphorbia abramsiana Duncan S. Bell 2012-1 4176 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  UCR139628  Euphorbia albomarginata A. C. Sanders 2004-6-30 28390 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR232028  Euphorbia albomarginata John F. Green 2008-4-15 0408- 02 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
  CLARK-A1528-2697  Euphorbia eriantha John C. Roos 1946-10-26 3140 Riverside Chuckwalla Mountains Comment
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Jan 30 2015
  RSA518272  Euphorbia eriantha A. C. Sanders 1989-9-19 9499 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  UCR281829  Euphorbia lathyris Mitch Provance 2017-5-23 517- 105 Riverside Temescal Valley, South Corona, Warm Springs Dr. at intersection with Whitetail Dr., drainage likely associated with Anderson Canyon, adjacent to large swath of relict disturbed bottomland. 345 Comment
  UCR23189  Euphorbia maculata S. Gallagher 1981-6-1 30 Riverside Riverside, intersection of Serpentine Road & Palmyrita Avenue, SE corner, 10 m S from Palmyrita Ave. street sign. 305 Comment
  OBI14371  Euphorbia micromera Robert F. Hoover 1966-10-15 10160 Riverside Dead Indian Creek Wash, S of Palm Desert Comment
  POM12970  Euphorbia palmeri P. A. Munz, I. M. Johnston 1922-5-21 5517 Riverside Hemet Valley. 2 miles below Kenworthy, San Jacinto Mts 1402 Comment
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Aug 4 2008
  UCD142698  Euphorbia polycarpa Robert F. Thorne; Rolf and Gertrud Dahlgren 1979-8-23 53601 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts. 1097 Comment
  UCR166542  Euphorbia polycarpa Scott D. White, Jennifer H. Jones 2005-4-12 10874 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  UCR213504  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37810 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR277705  Euphorbia serpens Mitch Provance 2012-11-3 1112- 04 Riverside San Timoteo Canyon, West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  UCD142855  Euphorbia setiloba Geoffrey Levin 1976-10-17 1168 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills Mountain Range. 91 Comment
  UCR57893  Euphorbia setiloba J. M. Stewart 1989-9-17 601 Riverside Western Colorado Desert, Coachella Valley, Pushawalla Canyon, Indio Hills. Comment
  RSA701365  Euphorbia spathulata Steve Boyd, Aydee Virgen 2004-4-13 10892 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  CAS-BOT-BC205628  Fagonia laevis James R. Shevock 1986-3-23 11358 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  RSA0081525  Fagonia laevis Marc A. Baker, Michelle Cloud-Hughes 2014-2-16 17931 Riverside Big Maria Mountains, along the Midland-Vidal Road, 12.5km WSW of Quien Sabe Point, 33km NNW of Blythe. 337 Comment
  RSA391194  Fagonia laevis Robert Gustafson 1980-4-3 1522 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  UC1212089  Fagonia laevis Peter M. Ray 1949-3-6 1328 Riverside near 1000 Palms (Willis Palms); Coachella Valley Comment
  UCR130121  Fagonia laevis Scott D. White 2001-4-3 8255 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  RSA45531  Fagonia pachyacantha J. C. Roos, L. Roos 1949-4-6 4146 Riverside Orocopia Mts., 2.5 mi. northeast of Dos Palmos Springs. 183 Comment
  UCR260260  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2015-3-11 41400 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road south of junction with road to Observation Point Slats, c. 3.9 miles south of the Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 674 Comment
  UCR85152  Ferocactus cylindraceus A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16092 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  JOTR34182  Festuca microstachys La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3232 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
  RSA0123281  Festuca octoflora Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8994 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  SDSU12931  Festuca perennis Jutta Buschbom 1991-5-31 7 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  RSA524398  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4116 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mt., just S of the E summit 610 Comment
  RSA682167  Filago arizonica Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10482 -B 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
  RSA393727  Filago californica E. S. Spalding 1913-03 14829 Riverside E. of Banning. Comment
Read comments
Nov 29 2011
  UCR25779  Filago californica John C. Roos 1952-4-13 5528 Riverside Peninsular Range, Box Springs Mountains 520 Comment
  SEINET3082771 Image available Filago depressa O. F. Clarke 1973-4-1 Riverside Sonoran Desert, alluvial fan at S entrance to Joshua Tree National Monument, below Cottonwood Springs. Comment
  RSA0121168  Fouquieria splendens Duncan S. Bell, LeRoy Gross 2016-3-30 9182 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  SEINET10928351  Funastrum hartwegii Thorne 1980-4-16 THORNE 54111 Riverside San Bernardino Mts., along Whitewater Canyon Road Comment
  SEINET4560610  Funastrum hirtellum Duncan S. Bell 2009-1 298 Riverside Arica Mountais: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  RSA0029199  Funastrum hirtellum John F. Emmel 1997-10-20 1533 Riverside Joshua Tree National Park: Pinto Wells Road, 0.5 road mi north of park boundary. 302 Comment
  POM13009  Galium andrewsii subsp. andrewsii Philip A. Munz, I. M. Johnston 1922-5-19 5436 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  POM172216  Galium andrewsii subsp. andrewsii M. French Gilman 1928-5-27 1155 Riverside Banning. Comment
  UCD121572  Galium angustifolium K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  POM367709  Galium angustifolium subsp. angustifolium N. R. Zabriskie, W. M. Zabriskie 1972-6-18 526 Riverside Along fire road S of S end of Marion Ridge Rd., Pine Cove, NW of Idyllwild. 1921 Comment
  RSA221074  Galium angustifolium subsp. angustifolium E. W. Lathrop 1966-5-8 6423 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UC888704  Galium angustifolium subsp. angustifolium C. L. Hitchcock 1940-4-12 6039 Riverside 8 mi nw Elsinore 457 Comment
  CAS-BOT-BC124043  Galium angustifolium subsp. gracillimum C. Epling; W. Robinson 1933-6-25 s.n. Riverside Little San Bernardino Mountains. Black Rock near Warren's Well 1371 Comment
  SD229269  Galium angustifolium subsp. gracillimum Dick Schwenkmeyer 2012-8-28 820 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  RSA761273  Galium angustifolium subsp. jacinticum Shawn Krosnick, Naomi S. Fraga, Lucinda A. McDade 2010-8-14 673 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  POM283990  Galium aparine Lyman D. Benson 1932-3-26 3179 a Riverside Temecula Grade. Temecula Valley. 549 Comment
  UCD121722  Galium aparine B. Pitzer 1987-4-11 478 Riverside West of Murrieta at Santa Rosa Plateau Preserve, Mesa de Colorado. 609 Comment
  JOTR33778  Galium multiflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2930 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (stop 3) Comment
  RSA586045  Galium nuttallii D. L. Banks, Steve D. Boyd 1995-3-15 77 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area N face of Agua Tibia Mtn., Dorland Mtn. area. 806 Comment
  UCR121320  Galium porrigens A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25015 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 549 Comment
  UCR116510  Galium porrigens var. porrigens A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20644 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
  UCR208878  Garrya flavescens subsp. pallida W. E. Pequegnat 1941-1-11 s.n. Riverside Peninsular Range; Santa Ana Mtns., Indian Truck Trail 976 Comment
  CAS-BOT-BC158074  Garrya veatchii S. B. Parish 1918-4-3 11696 Riverside Oak Lodge, mouth San Jacinto [Canon] Canyon 914 Comment
  UC630468  Garrya veatchii H. E. and S. T. Parks 1938-2-17 24087 Riverside Palms to Pines Highway; San Jacinto Mountains 914 Comment
  RSA179500  Gastridium phleoides E. W. Lathrop 1960-6-7 4898 Riverside 14 miles west of Murrieta Comment
  UC64495  Gayophytum diffusum subsp. parviflorum H. M. Hall May, 1899 Riverside El Toro Mt. San Jacinto Mountains 2042 Comment
  UCD105705  Genista monosperma Anne Catterson 2002-2-25 s.n. Riverside Perris-Aguanga Basin region: Orangecrest area of SE Riverside, 17120 Cole Ave. 518 Comment
  CAS-BOT-BC303590  Geraea canescens Lewis S. Rose 1936-12-29 36833 Riverside La Quinta 0 Comment
  JEPS15396  Geraea canescens Joseph and Hilda Grinnell 1937-11-30 1085 a Riverside 24 mi w of Blythe (Bed of Ford Dry Lake); Ford Dry Lake 106 Comment
  POM358664  Geraea canescens N. Dunn 1932-3-6 s.n. Riverside Coachella. Comment
  RSA27179  Geraea canescens C. L. Hitchcock 1940-4-4 5946 Riverside Pinto Basin. Comment
  RSA27446  Geraea canescens I. L. Wiggins 1941-3-24 9570 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio. Comment
  UCR196371  Geraea canescens Naomi Fraga, Sarah J. De Groot, Lisa Rojas, L. Lubinsky 2005-2-10 1430 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  CHSC8303  Gilia Edward L. Smith 1958-3-22 391 Riverside 6 mi. s of Rice. Near Priest's Well. Little Santa Maria Mts. 365 Comment
  UCR100161  Gilia Scott D. White 1994-4-23 2041 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR160946  Gilia A. C. Sanders, K. C. Rose 1995-4-5 16381 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR263471  Gilia A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35591 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, along trail from May Valley Rd. 1555 Comment
  SEINET156054  Gilia achilleifolia Norman C. Cooper 1945-5-24 1625 Riverside Big Oaks Canyon. 1220 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
  RSA470131  Gilia angelensis Mark Morris 1929-3-17 s.n. Riverside Palm Canyon. Comment
  RSA699842  Gilia angelensis Scott D. White, Michael Honer 8933 Riverside Temescal Canyon: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR232052  Gilia angelensis John F. Green 2008-4-15 0408- 15 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
  UCR234260  Gilia angelensis A. C. Sanders 2012-4-12 40033 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between El Hermano Rd. and I-15 crossing near Mayhew Canyon 311 Comment
  UCR241653  Gilia capitata T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 340 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UC489136  Gilia capitata subsp. abrotanifolia C. V. Meyer June 1927-June 1929 Riverside Saunder's Meadow , Saunder's Meadow (San Jacinto Mts.) 1676 Comment
  RSA87941  Gilia diegensis Verne Grant 1954-6-10 19657 Riverside Yellow Pine Forest at Mountain Home Springs on Santa Rosa Mountain. 2134 Comment
  SD137683  Gilia diegensis Darin L. Banks, Steve Boyd 1995-5-3 280 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. 512 Comment
  UCR86866  Gilia latifolia A. C. Sanders, K. C. Rose 1995-4-27 16742 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-BC407605  Gilia ochroleuca subsp. exilis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles N of Idylwild Comment
  CAS-BOT-BC407624  Gilia ochroleuca subsp. exilis Frank W. Gould 1943-4-17 2108 Riverside 12 miles S of Corona on Elsinore Road Comment
  RSA776746  Gilia ochroleuca subsp. exilis Steve Boyd, Valerie Soza 2004-6-22 11537 Riverside Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  RSA771351  Gilia sinuata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4823 -b 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
  RSA771780  Gilia sinuata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5034 -c Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  RSA0121065  Gilia stellata Duncan S. Bell, Thomas Stoughton 2016-3-15 8931 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  RSA78696  Gilia stellata P. A. Munz 1952-4-15 17348 Riverside Ridge south of Pleasant Valley, Joshua Tree National Monument 1220 Comment
  UCR29824  Gilia stellata George K. Helmkamp 1983-3-24 383- 15 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  SEINET7063458  Gilia tricolor A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles west of Sage on East Benton Road. UTM Zone 11, 499147mE, 3715592mN. (WGS84/NAD83). 511 Comment
  CAS-BOT-BC266505  Githopsis diffusa Steve Boyd 1986-4-22 1771 Riverside Temescal Canyon: E side of Indian Wash, grading into abandoned Olive grove, S of I-15 Comment
  SD152893  Githopsis diffusa subsp. candida Steve Boyd, Tim Ross 1992-5-4 7178 Riverside Southern Santa Ana Mountains, Oak Flats area east of Verdugo Potrero. 730 Comment
  UC39036  Glyceria elata H. M. Hall Jun 1901 2244 Riverside Dark Canyon; San Jacinto Mountains 1828 Comment
  UCR24914  Glyceria elata A. C. Sanders 1980-8-23 1767 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  RSA754135  Glyceria striata W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 17 Riverside Idyllwild: Skunk Cabbage Meadow. 2449 Comment
  UCR266906  Glycyrrhiza lepidota D. E. Bramlet 2005-5-24 3861 Riverside Perris-Aguanga Basin Region, Warm Springs Creek, west of I-15, between Golden Gate Circle and Nick Lane 323 Comment
  RSA783526  Gnaphalium J. D. Olmsted 1959-8-18 796 Riverside Strawberry Cr. by crossing just south of Idyllwild. 1601 Comment
  POM358794  Gnaphalium californicum M. M. Thompson, N. C. Cooper 1947-6-9 c 2064 Riverside Los Alomos Canyon, Elsinore. 762 Comment
  RSA740931  Gnaphalium palustre Scott D. White, Justin M. Wood 2008-7-9 12432 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  SDSU14192  Gnaphalium stramineum David Mabs 2002-4-20 18 Riverside Santa Margarita Ecological Reserve. About a hundred yards up river from where Tornado Road crosses. 235 Comment
  RSA695830  Greeneocharis circumscissa J. R. Bruff 1928-4-2 103 Riverside Canyon wash 1 mile west of Morengo. Comment
  RSA614287  Guillenia lasiophylla D. L. Banks, V. W. Steinmann 1997-3-13 1521 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
  UC55119  Gutierrezia californica H. M. Hall Apr 1903 3799 Riverside vicinity Riverside 396 Comment
  UCR215455  Gutierrezia microcephala Jim Andre, T. La Doux 2008-9-16 10690 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  SEINET10948021  Gutierrezia microcephala A. K. Evans 1976-4-13 Evans 5208 Riverside Desert canyons of Santa Rosa Mountains. Comment
  POM359230  Gutierrezia sarothrae Robert Kessler 1921-1-21 s.n. Riverside San Jacinto Mt. Comment
  UCR102871  Harpagonella palmeri A. C. Sanders 1997-3-26 20116 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  UCR172197  Harpagonella palmeri John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  RSA713800  Hedera canariensis A. C. Sanders 2001-4-4 23910 Riverside Riverside: UCR campus; fence north of greenhouses SE of Boyce Hall, ca. 50 m west of E Campus Dr. 348 Comment
  UCR113895  Hedypnois cretica Mitch Provance 1998-4-14 440 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  CAS-BOT-BC306714  Helenium bigelovii P. A. Munz 1922-7-7 6064 Riverside San Jacinto Mts. Meadow north of Tahquitz Valley 2225 Comment
  RSA395353  Helianthemum scoparium var. aldersonii Steve Boyd 1986-4-22 1745 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  RSA609927  Helianthemum scoparium var. scoparium R. S. Woglum 1937-5-22 521 Riverside Peninsular Ranges: Northwest of the Palomar Mountains, Temecula. Comment
  UCR202016  Helianthus annuus Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  POM360004  Helianthus gracilentus N. C. Cooper 1947-6-9 C- 2803 Riverside Los Alamos Canyon, Elsinore 762 Comment
  SBBG81104  Helianthus gracilentus N. M. Fellows, A. C. Sanders 1985-5-7 177 Riverside Oasis de los Osos Preserve, off Snow Crk Cyn at the N foot of the San Jacinto Mtns, 1 mi W of Snow Crk Village 487 Comment
  RSA596777  Heliotropium curassavicum D. L. Banks, K. D. Hedge 1996-5-16 1039 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles N of Hwy. 79 on the E side of Pauba Road, along a sandy wash. 377 Comment
  UCR49109  Heliotropium curassavicum var. oculatum James C. Dice, J. DeWald 1987-10-5 735 Riverside Santa Margarita Ecological Reserve, Santa Margarita River, near aqueduct crossing 245 Comment
  POM360279  Hemizonia fasciculata Freda Detmers 1931-6-19 s.n. Riverside Chino Hills. Comment
  RSA525229  Hemizonia kelloggii Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4606 Riverside Vail Lake area, NE of lake along Powerline road, 0.6 mile W of jct Hwy R3. Comment
  RSA564049  Hemizonia kelloggii A. C. Sanders 1993-5-17 14063 Riverside Hemet, S side of Florida Ave. (Hwy 74) on the E side of California Ave. 457 Comment
  UCR112494  Hemizonia kelloggii A. C. Sanders 1998-5-21 21870 Riverside Hemet, alkaline flats west of town, along Stetson Ave. west of Warren Rd. 457 Comment
  UCR132825  Hemizonia mohavensis A. C. Sanders, Steve Boyd, Jeff Ross, , Mitch Provance 1998-10-25 22272 Riverside San Jacinto Mtns., Hwy 243 between Idyllwild and Mountain Center, 1 mile north of Mtn. Center 1427 Comment
  RSA663305  Hemizonia paniculata Mitch Provance 1998-3-6 702 Riverside Jurupa Mountains: Glen Avon Hts., Boulder Park, 0.7 km W of Pyrite St.on the N side of Granite Hill Dr. 305 Comment
  UCR159089  Hemizonia paniculata David Charlton 2005-8-10 s.n. Riverside Perris-Aguanga Basin Region, Perris, SW corner of Perris Valley Airport, corner of Mapes Rd. and Goetz Rd. 430 Comment
  UCR90610  Hemizonia paniculata Scott D. White 1995-6-29 3386 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  UCR126990  Hemizonia pungens subsp. laevis A. C. Sanders, Guy Bruyea 2003-6-12 26891 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  RSA735944  Herniaria hirsuta subsp. cinerea Scott D. White, Justin Wood 2008-6-13 12103 Riverside Beaumont Badlands: San Timoteo Canyon, near El Casco Lake (private pond) E of the road. 579 Comment
  RSA1909  Hesperocallis undulata B. D. Stark 1931-4-27 1090 Riverside 2.0 miles east of Mecca. Alt. below sea level. Comment
  CAS-BOT-BC434234  Hesperoyucca whipplei Tracy Tennant; Jeffrey Ross 1998-4-30 MOR- 41 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Hathaway Canyon. 884 Comment
  SEINET3412083  Hesperoyucca whipplei var. whipplei Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28528 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert, off of Pine View Drive. 1297 Comment
  RSA185432  Heterocodon rariflorum Clare B. Hardham 1965-6-16 12930 Riverside San Jacinto Mountains. Alvin Meadows. Comment
  RSA741075  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-6-17 12154 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  SD193037  Heterotheca grandiflora Scott D. White, Angelia Carey 2004-6-4 10469 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence with San Jacinto River. Uplands around former homestead area, southeast of creek. 579 Comment
  UCR167931  Heterotheca grandiflora T. B. Salvato, John F. Green 2004-5-27 657 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
  RSA0075895  Heterotheca grandiflora E. W. Lathrop 1966-3-2 6045 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trails. 878 Comment
  UCR146498  Heterotheca sessiliflora subsp. echioides Scott D. White, Angelia Carey 2004-9-16 10755 Riverside San Jacinto Mountains foothills, Along Poppet Creek NE of San Jacinto River 610 Comment
  UCR51858  Heterotheca sessiliflora subsp. echioides Steve Boyd 1987-9-27 2091 Riverside Peninsular Range, Temescal Canyon south of Corona; area between confluence of Indian and Horsethief washes and Temescal Creek 366 Comment
  UCR58452  Heterotheca sessiliflora subsp. fastigiata 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
  POM13900  Hibiscus denudatus P. A. Munz, D. D. Keck 1922-4-9 4832 Riverside South base of Eagle Mountains 213 Comment
  UC666416  Hibiscus denudatus Annie M. Alexander and Louise Kellogg 1941-5-27 2245 Riverside <Chuckawala> Bench Colorado Desert, <Chuckawala> Bench 548 Comment
  RSA0105850  Hoffmannseggia glauca Alan Romspert 2001-4-13 s.n. Riverside Ford Dry Lakes, off ramp N. of I-10. 482 Comment
  CLARK-A1528-477  Hoffmannseggia microphylla Charlotte Stocks 1962-5-13 Riverside La Quinta Comment
  SJSU5169  Hoffmannseggia microphylla L. M. Stotelmyre 1970-3-25 70 Riverside 8 km E of Indio Comment
  SD122905  Hoita macrostachya Steve Boyd 1985-7-30 1049 Riverside De Luz Road, 10.4 miles west of Rancho California, in wet sand along stream at the point where east branch of De Luz Creek first crosses the road Comment
  RSA717054  Hordeum depressum A. C. Sanders 2003-5-9 26582 Riverside San Jacinto Valley: west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR112394  Hordeum depressum A. C. Sanders, K. C. Rose 1998-5-21 21857 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  UCR114962  Hordeum intercedens Fred M. Roberts 1992-4-25 4876 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  UCR123694  Hordeum intercedens D. E. Bramlet 1998-4-22 2602 a Riverside Peninsular Range, E. French Valley-Domenigoni Valley. 396m E. of Winchester Road and 1.68 km south of Holland Road. The meadow is 61m west of the San Diego canal, in the area of the canal bridge road. 450 Comment
  UCR107839  Hordeum murinum Scott D. White, M. Jacobsmeyer 1996-4-20 3971 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  UCR193407  Horkelia clevelandii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35576 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1570 Comment
  CAS-BOT-BC201090  Hosackia crassifolia Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38155 Riverside San Bernardino National Forest, San Jacinto Mts.: Lake Fulmor 1676 Comment
  SBBG3448  Hosackia oblongifolia var. oblongifolia M. Lewis 1947-8-26 5 Riverside Dark Cyn 1981 Comment
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Jan 16 2012
  SEINET5327478  Hosackia oblongifolia var. oblongifolia H. M. Hall s.n. Riverside San Jacinto Mt. Comment
  RSA0054881  Hugelia filifolia Keith E. Hoffmaster 1937-6-6 756 Riverside Near Valle Vista, Hemet Valley. Comment
  CAS-BOT-BC312586  Hulsea vestita subsp. callicarpha Mary F. Spencer 1919-6-19 1200 Riverside San Jacinto Mt. 1645 Comment
  CAS-BOT-BC312593  Hulsea vestita subsp. callicarpha F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  RSA191445  Hydrocotyle ranunculoides E. W. Lathrop, R. F. Thorne 1967-9-26 6635 Riverside 6 miles NW of Murrieta. Comment
  POM15209  Hymenoclea salsola Mary F. Spencer 1922-4-17 1423 Riverside Mission Canyon. Colorado Desert. 152 Comment
  POM48452  Hymenoclea salsola P. A. Munz 1925-3-7 9348 Riverside Painted Canyon, Mecca. Comment
  UCR133378  Hymenoclea salsola Mitch Provance, J. S. Ross 1998-3-27 MOR- 990 Riverside San Bernardino Mtns., Morongo Indian Reservation, Deep Canyon, 2.5 miles NNE of Cabazon 732 Comment
  UCR41588  Hymenoclea salsola A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6023 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  POM13107  Hymenopappus filifolius var. lugens P. A. Munz, I. M. Johnston 1922-5-21 5504 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  CAS-BOT-BC312859  Hymenoxys odorata H. M. Hall 1905-4-1 5914 Riverside Colorado Desert. Palo Verde Valley 76 Comment
  POM7077  Hypericum androsaemum P. A. Munz, L. F. Street 1919-5-7 2737 Riverside Mouth of Tahquitz Canyon. Comment
  CAS-BOT-BC219774  Hyptis emoryi D. E. Breedlove 1962-3-11 1884 Riverside On rocky bank of Cat Creek, 3 miles southwest of Palm Desert 426 Comment
  JEPS63222  Hyptis emoryi E. E. Schellenger May 1920 Riverside canyon e Coachella (Colorado Desert); , e of Coachella Comment
  JEPS63225  Hyptis emoryi W. L. Jepson 1914-5-18 6016 Riverside near Pinyon Well (<not> Cottonwood Mts. = Conchilla Mts.); near Pinon Well <not> Cottonwood Mts. = Conchilla Mts. 457 Comment
  JOTR16726  Hyptis emoryi Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  LA205742  Hyptis emoryi John O'Leary; 1971-4-24 8 Riverside Highway 74 S of Palm Desert 365 Comment
  UC61586  Hyptis emoryi C. Epling 1935-3-23 Riverside near Mecca (Painted Canyon); , near Mecca Comment
  RSA0042540  Hyptis emoryi Samuel Bonsal Parish 1917-4-4 Riverside Near Palm Springs. Comment
  SEINET7948522  Hyptis emoryi I. W. Clokey 1935-4-17 6866 Riverside Shafer Mills. 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
  CDA8022  Isocoma acradenia var. eremophila G. D. Barbe 1973-10-19 1734 Riverside Coachella Water District Canal, west end of Airport Road, north of Lake Cahiuilla County Park, west of Thermal. 0 Comment
  RSA702552  Isocoma menziesii var. vernonioides Scott D. White, B. Leatherman 2004-10-7 10772 Riverside Perris Basin: City of Perris. Immediately east of the I-215 Freeway, at Watson Road. 434 Comment
  UCR260540  Isocoma menziesii var. vernonioides T. B. Salvato 2014-5-29 8051 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  RSA606526  Isoetes Jon E. Keeley 1980-4-5 7500 Riverside Mesa de Colorado on Santa Rosa Plateau, Santa Ana Mountains 650 Comment
  SEINET10796317  Juncus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12856 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  RSA0065462  Juncus D. B. Dunn 1948-2-21 3689 Riverside Pushawalla. Comment
  RSA563911  Juncus bufonius A. C. Sanders 1993-4-5 13685 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  JOTR35126  Juncus bufonius var. occidentalis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3238 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
  RSA601211  Juncus effusus subsp. austrocalifornicus Scott D. White 1996-8-15 4463 Riverside San Jacinto Mountains, Idyllwild Area: Alvin Meadows and unnamed canyon upstream. USGS Blackburn Canyon 7.5 topo (immed. adjacent to Idyllwild topo) 1524 Comment
  RSA357162  Juncus luciensis Robert F. Thorne, E. W. Lathrop 1975-5-20 45498 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 610 Comment
  RSA511037  Juncus luciensis Robert F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51980 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  SEINET3879985  Juncus luciensis Robert F. Thorne, Earl Lathrop 1975-5-20 45498 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro.; 0 610 Comment
  UCR268296  Juncus macrophyllus Jim Andre 2012-6-15 30555 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  RSA0097956  Juncus mexicanus Duncan S. Bell 2014-11-14 7717 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  SD60445  Juncus oxymeris Reid Moran 1964-7-27 11859 Riverside Edge of stream, canyon of Santa Margarita River, 2I(c) miles south-southwest of Temecula, [3I(c) miles north-northwest of Rainbow]. 199 Comment
  UCR167809  Juncus rugulosus T. B. Salvato, Melissa Clemons 2005-6-23 1317 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  CLARK-A1528-2666  Juniperus californica John C. Roos 1947-2-15 3265 Riverside Eagle Mountains Comment
  JEPS9350  Justicia californica Mary Beal 1941-4-6 862 Riverside Box Canyon Colorado Desert, Mecca Hills, Coachella Valley, Box Canyon Comment
  RSA62011  Justicia californica F. W. Peirson 1935-2-22 s.n. Riverside Deep Canyon, about 1000 ft.[west margin Sonoran Desert, Santa Rosa Mtns. -SDW] 305 Comment
  JOTR38522  Kallstroemia californica Harding, Mitzi, Kipp Callahan 2012-8-27 291 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UCR146287  Kallstroemia californica Robert E. Preston 1997-10-2 1051 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, at NE base of Mule Mountains 35 Comment
  CHSC20913  Keckiella antirrhinoides Robert A. Schlising 1972-3-11 3012 Riverside Santa Ana Mountains southwest of Corona, in large marsh near margin of Cleveland National Forest. Comment
  OBI9298  Keckiella antirrhinoides Tracey & Viola Call, Viola Call 1962-4-13 2125 Riverside Tin Mine Cyn near Corona 351 Comment
  SDSU10663  Keckiella antirrhinoides W. T. Williams 1962-5-12 Riverside San Jacinto Mtns., 2000ft marker on Hwy between Hemet and Idyllwild. Left side of Hwy going to Idyllwild 30 ft. just before the wash. 610 Comment
  UCR252216  Keckiella antirrhinoides J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  RSA679113  Keckiella antirrhinoides subsp. antirrhinoides M. Wall, Sean Wall 2003-5-24 331 Riverside NE of Skinner Reservoir, Rawson Canyon, Rawson Rd. 2.7 miles from jct. with Washington Ave. 564 Comment
  NY786520  Keckiella antirrhinoides var. antirrhinoides I. W. Clokey 1936-4-16 6885 Riverside East of Hemet along San Jacinto River 600 Comment
  SD137611  Keckiella antirrhinoides var. antirrhinoides Darin L. Banks 1995-4-5 143 Riverside Cleveland National Forest, Agua Tibia Wilderness area, N slope of Agua Tibia Mtn., E of the Dripping springs Alcove, west of the Dripping Springs Trail 646 Comment
  CHSC1856  Keckiella cordifolia E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
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Mar 27 2011
  LA209266  Keckiella cordifolia W. E. Pequegnat; 1937-8-11 Riverside Santa Ana Mountains, above Bear Spring on Santiago Peak Comment
  UCR176999  Keckiella ternata Tracy Tennant, J. S. Ross 1998-7-28 MOR- 670 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, upper Millard Cyn. (polygon M16) 1372 Comment
  RSA0019438  Keckiella ternata subsp. ternata N. C. Cooper 1944-7-15 1581 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  CDA3136  Kochia scoparia Scott D. White 1998-7-4 6846 Riverside Corona: River Road bridge over the Santa Ana River. Comment
  UCR2487  Koeleria macrantha F. M. Reed 1928-7-10 5989 Riverside San Jacinto Mtns, Strawberry Creek at Camp Emerson, Idyllwild 1524 Comment
  SBBG3340  Krameria bicolor H. and M. Dearing 1936-12-25 821 Riverside Thousand Palms Comment
  UCR85433  Krameria erecta George K. Helmkamp 1994-4-26 88- 3 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  RSA408611  Krameria grayi Emery M. Whilton 1937-4-19 s.n. Riverside Palm Springs. Comment
  SEINET8753900 Image available Krameria grayi Carl B. Wolf 1932-1 2986 Riverside Colorado desert. 14 miles east of Mecca on Blythe Road (E. of Shavers Well) 152 Comment
  UC449696  Krameria grayi unknown 1917-5-19 3858 Riverside Palm Canyon; near palm grove Comment
  RSA180492  Lagophylla ramosissima E. W. Lathrop 1960-5-27 5233 Riverside 6 miles west of Murrieta. Comment
  RSA68307  Lagophylla ramosissima G. R. Campbell 1951-5-30 16108 Riverside 9 miles west of Anza. 1067 Comment
  RSA704002  Lamarckia aurea Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 125 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On right spur of primary dirt road. 550 Comment
  SEINET4670727  Lamarckia aurea H. M. Hall 1900-5-29 1385 Riverside Southern California, Riverside Comment
  UCD118401  Langloisia setosissima C. L. Hitchcock 1966-3-20 24310 Riverside just north of Milpitas Wash, Ogilby-Blythe Road. Comment
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Mar 2 2013
  RSA0106755  Langloisia setosissima subsp. punctata Duncan S. Bell, Amanda Turek 2009-3-29 146 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  CAS-BOT-BC166024  Larrea tridentata Marian L. Campbell 1921-3-19 61 Riverside Palm Springs Comment
  JEPS23490  Larrea tridentata W. L. Jepson 1914-5-22 6046 Riverside Thousand Palms Canyon; Colorado Desert Comment
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Apr 3 2011
  RSA699275  Larrea tridentata W. Marquart 1938-3-12 s.n. Riverside Along road to Wiley's Well. Southwest of Blythe. Comment
  RSA760807  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-22 156 Riverside N of I-10. Approx. 1.5 miles up Corn Springs Rd. 213 Comment
  RSA77839  Larrea tridentata F. W. Peirson 1914-04 2027 Riverside Whitewater, Colorado Desert. Comment
  SEINET3132201  Larrea tridentata Unknown 1906-5-1 229 -6724 Riverside Colorado Desert at Palm Springs, southern California Comment
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Jul 29 2013
  UC1929819  Larrea tridentata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10447 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  CAS-BOT-BC338933  Lasthenia californica F. W. Peirson 1922-4-29 4520 Riverside Lake Elsinore 374 Comment
  SD133175  Lasthenia californica Scott White 1991-5-10 91 143 Riverside Highway 79 immediately west of U. S. Forest Service Campground at Dripping Springs. 550 Comment
  CAS-BOT-BC352720  Lasthenia coronaria Geo. B. Grant 1908-3-15 s.n. Riverside Palms to Pines Road, San Jacinto Mountains 1219 Comment
  UCR25422  Lasthenia coronaria John C. Roos 1952-4-13 5535 Riverside N side of the Box Springs Mountains 457 Comment
  JEPS102001  Lasthenia glabrata subsp. coulteri Raymund Chan 1998-3-22 98005 Riverside 1.5 mi W of Lakeview (on N side of Ramona Expressway; 200-300 ft E of San Jacinto River) Comment
  POM157896  Lasthenia glabrata subsp. coulteri P. A. Munz 1927-5-21 10894 Riverside Coahuila Valley. 1372 Comment
  UCR189563  Lasthenia glabrata subsp. coulteri Diane Menuz 2006-5-9 078 Riverside Peninsular Range, Perris Basin, San Jacinto Wildlife Area, across the street from main headquarters and information booth 432 Comment
  RSA612475  Lasthenia gracilis D. L. Banks 1997-3-1 1342 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  SD244084  Lasthenia gracilis T. B. Salvato, Matt MallA^, Tom Sullivan 2013-3-27 7450 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
  UCR100154  Lathyrus vestitus Scott D. White 1994-4-23 2033 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  RSA5013  Lathyrus vestitus subsp. alefeldii Dorothy R. Wolf 1932-3-20 13 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  SD8723  Lathyrus vestitus var. alefeldii Daniel Cleveland 1882-5-5 Riverside Temecula Comment
  SDSU4457  Lathyrus vestitus var. alefeldii H. Wedberg 1962-4-20 904 Riverside 13.4 miles from Hwy 79 in Hemet, and 5.5 miles from Cranston ranger Station on road to Idyllwild. Climbing over shrubs in caparral. Comment
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Oct 13 2011
  POM361634  Layia glandulosa Ora M. Clark 1929-2-24 1513 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  JEPS40024  Layia platyglossa W. L. Jepson 1901-5-20 1320 Riverside Thomas Valley; Mt. San Jacinto Range 1341 Comment
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Feb 16 2013
  RSA741421  Layia platyglossa Justin M. Wood 2008-12-2 258 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UC1369839  Layia platyglossa Louis B. Ziegler 1966-6-10 Riverside between Mountain Center and Keen Camp summit; San Jacinto Mountains 1447 Comment
  RSA450741  Layia platyglossa subsp. platyglossa J. C. Roos 1965-6-13 s.n. Riverside Mountain Center, San Jacinto Mtns. Comment
  UCR79070  Leersia oryzoides A. C. Sanders 1993-10-29 14216 Riverside Spring Brook just below Lake Evans in Fairmont Park, Riverside 238 Comment
  RSA641178  Lemna minor Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38151 Riverside San Jacinto Mountains: San Bernardino National Forest. Lake Fulmor. 1615 Comment
  SD137980  Lemna minuta Darin L. Banks, Steve Boyd 1995-10-17 811 Riverside Northwest Palomar Mts,Agua Tibia Mts, Cleveland National Forest, Agua Tibia Wilderness Area, along lower Arroyo Seco, south of Dripping Springs Campground, along narrow benches where Arroyo Seco turns to the east, just west of the metasedimentary hills. 523 Comment
  RSA429965  Lepidium Ora M. Clark 1929-3-17 s.n. Riverside N of La Quinta. Comment
  UCR199639  Lepidium dictyotum var. dictyotum Scott D. White, Justin M. Wood 2008-4-3 11798 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  RSA596527  Lepidium didymum D. L. Banks 1996-7-16 1132 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road). 426 Comment
  POM118639  Lepidium fremontii Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sink near Oasis. Comment
  POM308636  Lepidium fremontii Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3213 Riverside Between Blythe and Desert Center. Comment
  RSA0040097  Lepidium fremontii Duncan S. Bell, Deidre Conocchioli 2014-3-18 6255 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  SBBG23072  Lepidium fremontii D. Myrick 1965-3-3 1072 Riverside near White Tank Public Camp, Joshua Tree Nat Monument 762 Comment
  RSA0107849  Lepidium lasiocarpum Duncan S. Bell, Amanda Turek 2009-3-30 167 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  RSA429929  Lepidium lasiocarpum Robert M. Perkins 1937-3-15 393 Riverside 4 miles W of Desert Center. Comment
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Dec 18 2011
  RSA736256  Lepidium lasiocarpum Scott D. White, Justin Wood 2008-4-3 11791 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  RSA779008  Lepidium lasiocarpum Duncan S. Bell 2010-4-1 642 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
  SEINET7248271  Lepidium lasiocarpum Duncan S. Bell, Deidre Conocchioli 2014-1 6229 Riverside Colorado Desert; Western Colorado Desert region: Santa Rosa Mountains; Devil's Canyon, northwest of Martinez Mountain. 207 Comment
  UCR275229  Lepidium lasiocarpum subsp. lasiocarpum Allison D. Rudalevige 2012-5-2 003 Riverside Temecula, adjacent to Murrieta Creek, along Diaz Diaz Rd. between Winchester Rd. and Black Deer Loop 311 Comment
  SBBG104635  Lepidium lasiocarpum var. lasiocarpum T. Glenn 1991-5-2 91 -30 Riverside McCoy Mtns NW of Blythe 350 Comment
  SBBG101691  Lepidium virginicum S. Boyd with T. Ross 1991-6-14 6361 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UC77020  Leptochloa uninervia J. W. Mills 1904-1-1 Riverside Coachella Colorado Desert Comment
  UC881519  Leptodactylon californicum C. L. Hitchcock 1940-4-12 6041 Riverside 8 mi nw Elsinore 457 Comment
  UCR280621  Leptosiphon parviflorus Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 09 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  CDA20358  Lessingia glandulifera B. Blong 1958-9-12 s.n. Riverside Southern California; Garner Valley. 0 Comment
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Oct 24 2011
  SD62321  Lessingia glandulifera var. glandulifera A. P. Nelson, D. Kaplan 1960-8-13 666 Riverside 1.0 mile west of County Highway 7 at poine 1 mile south of Idyllwild on Toll Gate Road. Comment
  CAS-BOT-BC451632  Lilaea scilloides James R. Shevock 1975-4-28 4271 Riverside On the Mesa de Colorado. Santa Rosa Plateau, Santa Ana Mountains. 762 Comment
  CAS-BOT-BC248277  Limonium duriusculum A. C. Sanders; John F. Green 2012-6-25 40298 Riverside Peninsular Range; Santa Ana Mts. Region: Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd., north end of Bucking Bay Dr. 433 Comment
  UCR35221  Limosella acaulis L. B. Ziegler 1969-6-12 376 Riverside San Jacinto Mtns, Hemet Valley (= Garner Valley) in sandy stream bed near Pine Meadows 1433 Comment
  UCR21922  Linanthus androsaceus Steve Boyd 1980-4-8 105 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA701362  Linanthus androsaceus subsp. micranthus Steve Boyd, Aydee Virgen 2004-4-13 10873 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  PASA744  Linanthus bigelovii 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
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Aug 27 2016
  UC455665  Linanthus dianthiflorus I. J. Condit 1910-6-24 Riverside road to Strawberry Valley San Jacinto Mts. 914 Comment
  RSA314667  Linanthus dianthiflorus subsp. dianthiflorus R. F. Thorne, F. R. Fosberg, Sachet, Herbst 1983-4-23 55790 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  UCR155950  Linanthus floribundus Scott D. White 1994-4-23 2030 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  RSA747800  Linanthus jonesii Scott D. White, Justin M. Wood 2009-3-24 12574 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  UC1714592  Linanthus lemmonii A. J. McClatchie 1892-4-25 36 Riverside near Elsinore Comment
  UCR236901  Linanthus lemmonii Duncan S. Bell, Valentin Arvizu 2010-5-10 975 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.1 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1349 Comment
  UCR193897  Linanthus liniflorus A. C. Sanders, Mitch Provance 2008-7-11 35776 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCR213830  Linanthus liniflorus Scott D. White, Justin M. Wood 2009-5-21 12845 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  JOTR32142  Linanthus maculatus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2298 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy, braided ephemeral wash flowing northeast (Stop 2) Comment
  SEINET14377214  Linanthus pungens H. M. Hall 1901-6 2130 Riverside San Jacinto Mountains 1524 Comment
  RSA586846  Linaria canadensis D. L. Banks, Steve D. Boyd 1995-5-3 265 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
  UCR116987  Linaria canadensis A. C. Sanders, T. B. Salvato 2001-5-3 24076 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR133690  Linaria canadensis Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR266492  Linaria canadensis var. texana Mitch Provance, Matt Amalong 2015-3-25 315- 36 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
  RSA0018465  Lithophragma affine Duncan S. Bell, Valentin Arvizu 2010-5-24 1099 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. 1382 Comment
  RSA0010981  Lithophragma affine P. A. Munz, I. M. Munz 1922-5-19 5387 Riverside 3 miles west of Keen Camp. 1494 Comment
  RSA291595  Lithophragma affine subsp. mixtum C. W. Tilforth, W. Wisura 1979-4-11 1772 Riverside East end of Murrieta-DeLuz Rd, south of Murrieta. 335 Comment
  UCR60269  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3118 Riverside Peninsular Range, Vail Lake area, 2 mi west of dam, at edge of escarpment east of Pauba Valley 549 Comment
  SEINET3522941 Image available Lobularia maritima K. S. Gill 1965-3-14 Riverside On campus UCR. waste land near parking lot No. 19. Comment
  UCR171718  Lobularia maritima John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  RSA535083  Lobularia maritima Steve Boyd 1991-5-20 6280 Riverside Temescal Canyon, NW of Lake Elsinore. Alluvial fan at mouth of Rice Cyn. 488 Comment
  SEINET3141203  Loeseliastrum schottii R. W. Spellenberg, N. Zucker 2001-3-25 13181 Riverside Box Canyon 8 km E of valley edge E of Mecca 140 Comment
  UC1563039  Logfia arizonica Steve Boyd, Tim Ross, and Laurel Arnseth 1989-3-19 3043 Riverside 0.75 mi nw dam (s flank Oak Mountain); Vail Lake area 621 Comment
  UCR281263  Logfia arizonica Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 36 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 592 Comment
  UCR62323  Lomatium lucidum Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  SEINET7063052  Lomatium utriculatum A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Temecula and at the junction with Route 395 (115). UTM Zone 11, 485910mE, 3706825mN. (WGS84/NAD83). 308 Comment
  UCR102889  Lomatium utriculatum A. C. Sanders 1997-4-3 20174 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  CAS-BOT-BC234807  Lonicera subspicata Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  SEINET3154554  Lonicera subspicata F. M. Reed 1908-7-14 2393 Riverside San Jacinto mts.; ridge above strawberry valley. 1829 Comment
  POM318798  Lonicera subspicata var. denudata Patricia Wilder 1968-7-5 4312 Riverside Trail near Idyllwild, San Bernardino National Forest. 1982 Comment
  RSA16379  Lonicera subspicata var. denudata Percy C. Everett 1935-6-17 7140 Riverside Santa Ana Mountains, near Glen Ivy Resort on Coldwater Canyon Trail to Santiago Peak. 457 Comment
  RSA609829  Lonicera subspicata var. denudata R. S. Woglum 1937-5-22 530 Riverside Temecula. Comment
  UC64322  Lonicera subspicata var. denudata H. M. Hall July, 1901 2529 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR92290  Lotus argophyllus Scott D. White, Michael A. Patten 1995-8-16 3548 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  UC15533  Lotus argophyllus var. argophyllus H. M. Hall May 1899 1169 Riverside El Toro San Jacinto Mountains 1828 Comment
  RSA523533  Lotus hamatus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3992 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA627503  Lotus heermannii Scott D. White 1998-7-31 6943 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  RSA736907  Lotus heermannii Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10676 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +- 2 miles upstream. 534 Comment
  SEINET3696056 Image available Lotus heermannii B. Ertter, J. Strachan 1979-6-26 2988 Riverside Banning-Idyllwild Road at Black Mtn turnoff, San jacinto Mts Comment
  SDSU13583  Lotus heermannii var. heermannii W. Miller with C. Mosse 1972-7-5 Riverside Comment
  UCR187496  Lotus nevadensis Theresa Johnson 2006-8-23 271 Riverside Peninsular Range; San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UCR35031  Lotus oblongifolius L. B. Ziegler 1972-6-12 476 Riverside San Jacinto Mtns,, Penrod Canyon drainage into upper Hemet (Garner) Valley 1570 Comment
  HSC25800  Lotus rigidus Richard Spjut 1972-3-13 2257 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  SEINET3131519  Lotus rigidus L. S. Rose 1935-12-23 35694 Riverside Colorado Desert, above Deep Canyon, San Jacinto Mts., 22 mi S of Cathedral City 1067 Comment
  UCR16270  Lotus salsuginosus var. salsuginosus Tony Beck 1968-5-4 680504- 5 Riverside 5 mi west of Beaumont on Hwy 60; 25 yds. south of road on a sandy cut in the hillside. 610 Comment
  SEINET8721513 Image available Lotus scoparius Jean Coulson 1959-1 87 Riverside Box Spring Mts., .7 mi. N of Blane on Mt. Vernone W. of quarry, 10yrds. 1 Comment
  RSA613457  Lotus scoparius var. brevialatus D. L. Banks, Victor W. Steinmann 1997-3-13 1435 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA652458  Lotus scoparius var. brevialatus Marion P. Harthill 1973-2-17 1574 Riverside Snow Creek, Palm Springs 366 Comment
  RSA775494  Lotus scoparius var. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4412 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UCR91392  Lotus scoparius var. brevialatus Scott D. White 1995-4-5 2709 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  UCR116862  Lotus strigosus A. C. Sanders, Steven R. Hill 2001-5-4 24135 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR153672  Lotus strigosus Scott D. White 1999-5-24 7395 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR269115  Lotus strigosus Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4502 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  RSA406375  Lotus tomentellus N. C. Cooper 1949-4-8 3242 Riverside Mecca Pass east of Indio. 548 Comment
  RSA496656  Lotus tomentellus B. Pitzer 1988-3-10 643 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA704539  Lotus tomentellus LeRoy Gross 2005-3-3 1583 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA568562  Lupinus Christopher Davidson 1979-4-4 7678 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  POM12734  Lupinus arizonicus P. A. Munz, D. D. Keck 4901 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. alt 1500ft. 457 Comment
  POM349946  Lupinus arizonicus L. N. Goodding 1942-2-26 s.n. Riverside Indio region Comment
  RSA86946  Lupinus arizonicus F. W. Peirson 1920-3-16 703 Riverside Sandy places opposite mouth of Andreas Canyon, Southwest of Palm Springs. Comment
  SEINET10488535  Lupinus arizonicus David B. Dunn 1946-3-16 Dunn 2060 Riverside Collected on dry plateau 1/2 mile northeast of Pushawalla Palms (Springs). Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  UCR138567  Lupinus arizonicus Steve Boyd, Orlando Mistretta 1986-3-13 1463 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR85079  Lupinus arizonicus A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-5-12 16038 Riverside Coachella Valley, Indio, just SW of the Whitewater River Channel at Auto Center Dr. (Hwy 111) -8 Comment
  RSA660639  Lupinus bicolor Lydia Paneri 1982-4-17 2 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  UCR116467  Lupinus bicolor A. C. Sanders, T. B. Salvato 2001-3-30 23865 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR174548  Lupinus bicolor Jennifer H. Jones 2006-6-6 400 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  UCR201648  Lupinus bicolor Scott D. White, Justin M. Wood 2008-5-15 11999 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR25044  Lupinus bicolor A. C. Sanders 1980-7-18 1684 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, near the junction of Thomas Mountain Road and Hwy 74, c. 1 mi SE of the head of Hemet Lake 1345 Comment
  RSA613415  Lupinus bicolor subsp. microphyllus D. L. Banks 1997-4-5 1676 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  POM350018  Lupinus bicolor subsp. umbellatus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  SD249688  Lupinus concinnus J. M. Andre 2013-3-27 24808 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  UC68638  Lupinus concinnus H. M. Hall May, 1905 6022 Riverside Cottonwood Mts.; Colorado Desert, Cottonwood Mts. 609 Comment
  UCR214717  Lupinus concinnus A. C. Sanders 2010-3-23 37537 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCSB3265  Lupinus concinnus Ralph, F. 1959-5-17 Riverside Along roadside of Pines to Palms Hwy. 74; about 17.2 miles north of Pinon Flats Campground; San Jacinto Mtns. 1371 Comment
  RSA413768  Lupinus excubitus var. austromontanus Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
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Nov 29 2010
  HSC46431  Lupinus excubitus var. hallii Christopher Davidson 1977-5-25 5656 Riverside Mesa de Burro, Santa Rosa Plateau area of the Santa Ana Mtns. 701 Comment
  RSA666725  Lupinus excubitus var. hallii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23952 Riverside Temecula, Long Canyon area west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada. 345 Comment
  UCR84571  Lupinus excubitus var. hallii Steve Boyd 1986-4-22 1750 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  RSA160413  Lupinus formosus J. D. Olmsted 1959-9-23 994 Riverside 2.5 miles south of Hemet Lake on Hwy 74 near road to Thomas Mt. trhough Garner ranch, San Jacinto Mts, Helmet Lake Drainage 1387 Comment
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Apr 1 2011
  RSA413698  Lupinus hirsutissimus Ora M. Clark 1929-2-23 1515 Riverside South of Cabazon Comment
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Mar 13 2011
  RSA5014  Lupinus hirsutissimus Dorothy R. Wolf 1932-3-20 14 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  UCR250856  Lupinus hirsutissimus Dick Newell, Judy Booth 2014-3-9 357 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road, 0.33 mi. NW of Hacienda Rd. 924 Comment
  UCR75525  Lupinus hirsutissimus A. C. Sanders, Harry Spilman, and C. N. P. S. field trip 1993-4-24 13786 Riverside San Bernardino Mountains, SE end of San Bernardino Mountains, S end of Whitewater Bench, E side of the mouth of Whitewater Canyon. 450 Comment
  POM13291  Lupinus hyacinthinus E. C. Jaeger 1921-7-8 1060 Riverside Dark Canyon, San Jacinto Mts 2439 Comment
  RSA307238  Lupinus hyacinthinus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2110 Riverside Santa Rosa Mountains. Comment
  CAS-BOT-BC202088  Lupinus longifolius B. D. Stark 1931-4-18 1939 Riverside Mouth of Gypsum Canyon, Santa Ana Mts. Comment
  RSA413759  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  POM99001  Lupinus microcarpus var. densiflorus E. C. Jaeger 1926-3-27 s.n. Riverside Bautista Valley 1220 Comment
  RSA87035  Lupinus shockleyi F. W. Peirson 1922-4-18 2434 Riverside Whitewater River, head of Coachella Valley, Riverside County Comment
  SD8477  Lupinus shockleyi Parish Apr 1882 Riverside Whitewater Canyon. Comment
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Jan 14 2010
  SEINET3440252 Image available Lupinus sparsiflorus B. Pitzer 1986-4-26 187 Riverside Whitewater Canyon, ca. 4.5 mi. N of Hwy I-10 on Whitewater Canyon Road. (White-water 7.5'). Comment
  UCR116829  Lupinus sparsiflorus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23930 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  RSA524612  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, L. Arnseth, T. S. Ross 1990-3-29 3935 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA613470  Lupinus truncatus D. L. Banks, Victor W. Steinmann 1997-3-13 1451 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  SDSU14024  Lupinus truncatus Jonathan S. Austin, Michael G. Simpson 2002-4-20 18 Riverside Near parking area off Tornado road, about 15 feet from the river. North side of Santa Margarita river, Santa Margarita Ecological Reserve. 233 Comment
  UCR20713  Lupinus truncatus A. C. Sanders, Steve Boyd 1980-5-2 1426 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  CLARK-A1528-4345  Lycium andersonii John C. Roos 1966-2-12 Riverside Chuckwalla Valley Comment
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May 21 2016
  JOTR30114  Lycium andersonii La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1681 Riverside Joshua Tree National Park. Stop #1 = Upper Wilson Canyon 993 Comment
  UCR216213  Lycium andersonii Jim Andre, T. La Doux 2009-2-25 10825 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  RSA2056  Lycium torreyi Carl B. Wolf 1931-3-13 1880 Riverside Colorado Desert, between Ripley and Blythe, 152 Comment
  UCR280832  Lythrum californicum T. B. Salvato, Gregg Miller 2005-6-3 1375 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UCR234801  Lythrum hyssopifolia Jeremiah George 2012-6-14 s.n. Riverside San Gorgonio Pass Region, Beaumont, just south of West 4th St. at end of small paved spur road, area boxed in by commercial development 772 Comment
  SEINET11799418  Machaeranthera asteroides var. asteroides Unknown 1936-1 12853 Riverside western foothills of San Jacinto Mts Comment
  RSA654162  Machaeranthera canescens var. canescens A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22282 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  UCR42412  Machaeranthera cognata J. M. Stewart 1986-1-26 86- 9 Riverside Sonoran (Colorado) Desert, S side of Mecca Hills. 107 Comment
  SDSU7520  Malacothamnus fasciculatus H. Wedberg 1962-5-23 949 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  SD227756  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  UCR116066  Malacothrix clevelandii 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
  OBI8322  Malacothrix glabrata David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12066 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 5.5 mi N of Cottonwood campgrounds Comment
  POM14093  Malacothrix glabrata P. A. Munz, D. D. Keck 1922-4-14 4984 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  POM362321  Malacothrix glabrata Ora M. Clark 1929-2-24 1516 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  UCR133951  Malacothrix glabrata Mitch Provance, J. S. Ross 1998-3-27 MOR- 978 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
  UCR196389  Malacothrix glabrata Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1425 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  VVC93  Malacothrix glabrata A. C. Sanders, J. Mac 1997-5-4 20642 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  UCR12641  Malacothrix saxatilis Paul Lamos 1972-4-20 042072- 0301 Riverside 2 mi SW hwy 60 on Jack Rabbit trail 610 Comment
  RSA94960  Malacothrix stebbinsii F. W. Peirson 1921-3-22 2715 Riverside Murray Canyon, south side in canyon 457 Comment
  SDSU12944  Malosma laurina Jutta Buschbom 1991-5-1 10 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR117703  Malva parviflora Mitch Provance 1998-3-7 175 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  UCR123751  Malva parviflora Steven R. Hill 2001-4-29 33519 Riverside Calimesa, south side of Route I-10 right-of-way, 0.2 mi west of Desert Lawn Road exit 705 Comment
  RSA192340  Malvella leprosa E. W. Lathrop 1966-9-14 6585 Riverside 3 miles SW of Murrieta. Comment
  OBI20387  Marah macrocarpa David J. Keil 1979-3-18 12976 Riverside About 1/2 mi W of jctn with Riverside county rd R-3 along Calif 79 549 Comment
  UCD107542  Marah macrocarpa Raymond A. Evans 1999-3-10 s.n. Riverside North of Palm Springs, canyon west of White Water Canyon. Comment
  RSA612361  Marah macrocarpa var. macrocarpa D. L. Banks, Joe Moreno 1997-2-5 1261 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,, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  RSA518275  Marina parryi A. C. Sanders 1989-9-19 9505 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  RSA645640  Marina parryi Scott D. White 1999-4-20 7277 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  SD129346  Marina parryi A. C. Sanders 1989-9-19 9505 Riverside 1.75 km south of Tabaseca Tank, along the wash above Tabaseca Target. 680 Comment
  UCD106740  Marina parryi C. L. Hitchcock 1966-3-21 24327 Riverside Mule Mts., 20 mi. s.w. of Blythe. 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
  RSA191442  Marsilea vestita E. W. Lathrop, Thorne 1967-9-26 6631 Riverside 6 miles NW of Murrieta. Comment
  SBBG88003  Matelea parvifolia A. C. Sanders 1986-3-2 6053 Riverside S side of the Chuckwalla Mtns, on the Bradshaw Rd, ca. 2 mi E of the gasline rd 640 Comment
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Aug 29 2010
  RSA720654  Matricaria globifera John Green 2005-5-4 s.n. Riverside SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base. 534 Comment
  CAS-BOT-BC348270  Matricaria occidentalis A. C. Sanders; Mitch Provance; T. B. Salvato 2001-5-8 24198 Riverside Perris-Aguanga Basin region: S of Hemet, E end of Diamond Valley, ca. 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  CSUSB1104  Medicago polymorpha Dick Bernier 1966-5-4 Riverside Mary Knoll Hills. 75 yards below water tank- on a grassy slope- west of South La Cadena. 365 Comment
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Apr 7 2013
  RSA593991  Medicago polymorpha D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0947 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  LA102206  Melica frutescens John C. Roos; 1965-6-13 sn Riverside W base of San Jacinto Mountains, E of Hemet (Probably on Highway 74) Comment
  UCR178316  Melica frutescens T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 624 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR214012  Melica frutescens A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37796 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  UCR24057  Melica frutescens John C. Roos, Lucille Roos 1949-4-23 4283 Riverside Sonoran (Colorado) Desert, Lost Palms Wash, Eagle Mountains 823 Comment
  RSA97127  Melica frutescens H. K. Buechner 1955-5-30 C- 86 Riverside 4 miles south of Palm Desert, north base of Santa Rosa Mountains Comment
  SEINET7048164  Melica frutescens Steven R. Hill 2001-5-3 33666 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA129339  Melica imperfecta A. Lewis 1934-03 4666 Riverside Bedford Canyon 762 Comment
  RSA753930  Melica imperfecta W. Schlegel, Andrew Trouette, Jordan Zylstra 2009-4-16 28 Riverside Idyllwild, Garner Valley. Comment
  UC38845  Melica imperfecta H. M. Hall 1899-1 1111 Riverside Strawberry Creek; San Jacinto Mountains 914 Comment
  UCD88006  Melica imperfecta Peter H. Raven 1958-5-5 12879 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument. Comment
  UCR270304  Melica imperfecta T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8370 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
  CSUSB1087  Melilotus indicus Nancy J. Matthews 1963-5-16 51663 1 Riverside 50 yards west of spillway- next to American Legion Hall at Faimount Park in city of Riverside. 304 Comment
  UCR251994  Mentzelia A. C. Sanders, T. B. Salvato 2014-7-2 41158 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  SD260065  Mentzelia albicaulis J. Andre 2012-4-11 20778 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. At interface of steep rocky hills and large wash. 729 Comment
  RSA692200  Mentzelia involucrata Scott D. White, Michael Honer 2003-5-14 9301 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SBBG24103  Mentzelia involucrata A. I. Richardson 1966-3-28 Riverside above Desert Highland Hot Springs Comment
  UCR102722  Mentzelia involucrata B. G. Pitzer 1998-1-24 3408 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  RSA444554  Mentzelia involucrata var. megalantha Walter Wisura 1988-3-1 4198 Riverside Colorado Desert. 4.7 miles from Interstate 10 along Box Canyon Road toward Mecca, in gravelly bajada. Comment
  RSA171351  Mentzelia veatchiana J. D. Olmsted 1962-5-3 3506 Riverside San Jacinto Mts 1616 Comment
  UCR121642  Micropus californicus A. C. Sanders, Kent Beaman 2002-5-10 25052 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  UCR85567  Microseris douglasii subsp. douglasii Julie A. Greene 1993-4-17 1203 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  UCR182350  Microseris douglasii subsp. platycarpha Mitch Provance 2005-5-17 6552 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA660565  Microseris heterocarpa Bruce Albert 1982-4-17 50 Riverside Hillside north of Cajalco road, 2 miles east of I-15. Comment
  RSA192096  Microseris lindleyi E. W. Lathrop 1959-5-3 4512 Riverside 14 miles west of Murrieta. Tenaja Canyon. Comment
  RSA528067  Microseris lindleyi Scott D. White 1991-4-10 91 -48 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road. 610 Comment
  RSA0018779  Mimetanthe pilosa Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2151 Riverside Santa Rosa Mountains. Comment
  SD70886  Mimetanthe pilosa Helen V. Witham 1969-7-2 171 Riverside De Luz Creek crossing, 4 mi. N. of De Luz 249 Comment
  UC943860  Mimulus H. E. McMinn, M. Van Rensselaer 1945-6-7 1900 D-1 Riverside Temecula Grade Comment
  JOTR32329  Mimulus aurantiacus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 2451 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
  UCR199565  Mimulus aurantiacus Scott D. White 2004-4-26 10264 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR230913  Mimulus aurantiacus var. aurantiacus T. B. Salvato, Richard Camacho 2011-6-12 5489 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
  RSA444467  Mimulus aurantiacus var. pubescens J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
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May 21 2011
  POM87  Mimulus aurantiacus var. puniceus C. F. Baker 1904-4-4 4152 Riverside Elsinore. Comment
  UC1292579  Mimulus aurantiacus var. puniceus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23105 Riverside 10 mi n Pala (on road to Elsinore) Comment
  UCR149849  Mimulus aurantiacus var. puniceus Scott D. White, Michael Honer 2004-4-6 10043 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  RSA554425  Mimulus bigelovii var. bigelovii Theo Glenn 1991-5-24 91 -130 Riverside Palen Mtns, NE of Desert Center. 399 Comment
  UCR167797  Mimulus cardinalis T. B. Salvato, Melissa Clemons 2005-6-23 1315 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  POM229460  Mimulus diffusus P. A. Munz 1937-5-30 15092 Riverside North of Vandeventer Flat, Santa Rosa Mountain 1677 Comment
  RSA80482  Mimulus diffusus F. W. Peirson 1922-4-30 2934 Riverside hills south of Tucalota Creek, below summit to St. Johns grade, road from Hemet to Aguanga Comment
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May 29 2011
  RSA447956  Mimulus guttatus E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR231772  Mimulus guttatus John F. Green 2008-4-23 08- 21 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
  UCSC000871  Mimulus guttatus Peter Kamb 1948-7-4 1163 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  JEPS26105  Mimulus nasutus Peter H. Raven 1958-5-17 12944 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  UC26999  Mimulus nasutus H. M. Hall June 1901 2190 Riverside s side San Jacinto Mountains 1371 Comment
  UC597599  Mimulus palmeri Philip A. Munz 1937-5-30 15092 Riverside n Vandeventer Flat; Santa Rosa Mts. 1676 Comment
  JOTR32389  Mimulus pilosus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2493 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  SEINET5726346 Image available Mirabilis bigelovii Anne Harrison 1962-1 23 Riverside in rocky soil on east side of canyon, on Whitewater Canyon Road north of U.S. Highway 60, 0.25 mile south of trout farm where road crosses Whitewater River.; Whitewater River Comment
  SEINET3092406 Image available Mirabilis californica Diane L. Ill 1985-5-12 44 Riverside Gavilan Hills, Hartford Springs, 1.9 miles south of Cajalco Road on Gavilan Road. Ten to 40 feet from road edge. Comment
  POM259679  Mirabilis laevis var. crassifolia P. A. Munz 1940-3-22 15654 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  RSA465234  Mirabilis laevis var. crassifolia Richard C. Barkelew 1929-3-10 s.n. Riverside Indian Canyon , San Jacinto Mts Comment
  SJSU1864  Mirabilis laevis var. crassifolia J. W. Tilden 1957-4-18 1096 Riverside near Whitewater E of San Gorgonio Pass Comment
  CAS-BOT-BC434818  Mirabilis laevis var. retrorsa S. B. Parish 1916-5-13 10847 Riverside Cottonwood Spr., Colorado Desert 792 Comment
  RSA124431  Mirabilis laevis var. retrorsa Percy C. Everett, E. K. Balls 1958-5-4 23979 Riverside 2 miles N. along rd. to 29 Palms, from jct. with U.S. Hwy. 60/70. 457 Comment
  UCR245899  Mirabilis laevis var. retrorsa R. F. Thorne 1995-3-29 63007 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  CAS-BOT-BC384084  Mirabilis laevis var. villosa Winfield 1975-4-27 2366 Riverside Snow Creek Rd abt 3 miles from Hiway 111 Comment
  RSA464818  Mirabilis laevis var. villosa I. M. Johnston 1917-4-4 13806 Riverside Mouth of Andreas Canyon. 244 Comment
  SD124695  Mirabilis laevis var. villosa A. C. Sanders, Pitzer, et al. 1986-3-3 6105 Riverside Corn Spring, Chuckwalla Mountains, wash below the spring and wash and rocky slopes to the south. 487 Comment
  CAS-BOT-BC434880  Mirabilis multiflora var. pubescens H. M. Hall 1901-6-1 2162 Riverside San Jacinto Mountains. Vandeventer Flat 1386 Comment
  POM262902  Mirabilis multiflora var. pubescens J. C. Roos 1941-5-10 121 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
  UC1929952  Mirabilis multiflora var. pubescens Scott D. White, Justin Wood 2008-6-16 12128 Riverside San Jacinto Mountains: Fobes Canyon, =/- 1 mile up Fobes Ranch Road from Fobes Spring. Comment
  UC177219  Modiola caroliniana F. M. Reed 1914-7-18 3679 Riverside near Massachusetts Curve (Riverside and vicinity) 312 Comment
  HSC47582  Mohavea confertiflora R. W. Spjut, C. E. Edson 1978-5-3 5011 Riverside Colorado Desert: N face of Chuckawalla Mtns. 1 mi. E of Granite Mine SE of Desert Center 335 Comment
  RSA778010  Mohavea confertiflora Jim Andre 2011-2-9 15922 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
  UCR196365  Mohavea confertiflora Naomi Fraga, Lisa Rojas 2005-2-10 1359 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  CAS-BOT-BC220031  Monardella breweri subsp. lanceolata H. M. Hall 1896-8-28 340 Riverside San Jacinto Mountains. In Strawberry Valley 1600 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
  UCR195145  Monardella breweri subsp. lanceolata A. C. Sanders, Tim Thomas 2008-8-1 35929 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  CLARK-A1528-4930  Monardella lanceolata John C. Roos 1943-8-8 2710 Riverside San Jacinto Mountains Comment
  RSA699167  Monardella lanceolata J. R. Bruff 1934-6-19 544 Riverside San Jacinto Mountains Comment
  JOTR30271  Monardella linoides subsp. linoides Leary, Pat, Cari Leary 1987-5-9 3813 Riverside Joshua Tree National Park. 1.0 km south of Jumbo rocks campground, T2S R9E sec20 [UTMs estimated, January 2010] Comment
  RSA774118  Monardella linoides subsp. linoides Duncan S. Bell, Colleen Wheeler 2010-7-19 1629 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  RSA667  Monardella macrantha subsp. hallii J. T. Howell 1927-8-2 573 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  LA205748  Monardella nana Elizabeth McClintock; Harlan Lewis 1941-6-22 70 Riverside Stone Creek, on the Banning-Idyllwild road Comment
  UC1499910  Monardella nana Elizabeth McClintock 1941-6-8 68 Riverside 1 1/2 miles east of Ribbonwood. Pines to Palms Highway Comment
  SEINET10862272  Monardella nana subsp. tenuiflora A. Graff 1993-6-24 Graff 48 Riverside San Bernadino National Forest, San Jacinto Mtns. 1.45 miles in on Black Mtn. Rd. (USNFS Rd. 4S01) from Hwy. 243, on both sides of the road, though most extensively on the right. Before intersection of 4S01 and 4S02. T4S,R2E,S23. Locally abundant in semi-shade, with Quercus kelloggi, Q. chrysolepis, Picea sp., Pinus coulteri, P. ponderosa, Arctostaphylos pringlei, Eriogonum confertiflorum, Lupinus sp., Lotus scoparius. Need USNFS permission to collect. Comment
  JEPS123817  Monardella robisonii T. La Doux with J. Andre 2008-9-16 349 Riverside Joshua Tree National Park: JTNP; on NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5' Quad. Comment
  CAS-BOT-BC349805  Monoptilon bellioides Geo. B. Grant 1906-4-20 6759 Riverside Palm Springs Comment
  JEPS26555  Monoptilon bellioides Peter Kamb 1948-4-11 885 Riverside 5 mi e Garnet (Aqueduct Road); Coachella Valley 304 Comment
  SBBG100856  Monoptilon bellioides W. L. Halvorson 1977-2-5 77 -18 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UC1287113  Monoptilon bellioides C. L. Hitchcock 1966-3-20 24306 Riverside 20 mi n Ogilby (along road to Blythe) Comment
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Mar 2 2013
  SEINET10800994  Monoptilon bellioides David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2912 Riverside Hill slope by quadrat 4. Pushawalla Canyon Biota. Indio Hills. Comment
  RSA483257  Muhlenbergia asperifolia H. de Forest 1932-8-28 15809 Riverside Beaumont-Banning Pass. First spring between Colorado Desert and San Jacinto; close to spring Comment
  SBBG56964  Muhlenbergia asperifolia M. D. Clary 1928-8-11 70 Riverside Carrizo Crk Comment
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Nov 11 2011
  UCR185175  Muhlenbergia filiformis Naomi Fraga, Et al. 2006-7-11 1716 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  POM14440  Muhlenbergia microsperma P. A. Munz, Johnston 1922-5-21 5550 Riverside 4 mi. N.E. of San Jacinto 457 Comment
  RSA0120000  Muhlenbergia microsperma Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9091 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  RSA559443  Muhlenbergia microsperma Steve Boyd 1992-4-15 6869 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  SD137949  Muhlenbergia microsperma Darin L. Banks, Steve Boyd 1995-5-3 249 Riverside Cleveland National Forest; N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco 512 Comment
  SD186042  Muhlenbergia microsperma A. C. Sanders 2004-4-20 27550 Riverside 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  SEINET238467 Image available Muhlenbergia microsperma A. C. Sanders 1998-3-11 21689 Riverside Shipley/Skinner Reserve area: North Domenigoni Hills N side of Diamond Valley along high water road of reservoir unde 549 Comment
  UCR120930  Muhlenbergia microsperma A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24927 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR145963  Muhlenbergia microsperma June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  JOTR34094  Muhlenbergia porteri Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 8 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  RSA337843  Muhlenbergia porteri R. F. Thorne 1979-8-22 53575 Riverside Joshua Tree National Monument: Hidden Valley; Nolina Rocks near Sheep Pass and sand quarry. 1341 Comment
  UCR163817  Muhlenbergia rigens 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
  HSC78733  Muilla maritima A. C. Sanders, T. Glenn 1983-4-17 3731 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  RSA655090  Muilla maritima Scott D. White 2000-4-17 7652 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  RSA206500  Myosurus minimus subsp. apus E. W. Lathrop 1969-5-19 7061 Riverside 6 mi west of Murrieta. Mesa De Colorado of Santa Rosa Plateau Comment
  UC1930148  Myriopteris clevelandii Scott D. White, Michael Honer 2003-6-3 9488 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  HSC49188  Nama demissa D. L. Goforth 1979-4-11 115 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  UCR279494  Nama demissa A. C. Sanders, Jim Malusa 2017-3-25 42992 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCSB5296  Nama demissa Haller, John 1957-3-23 Riverside Southern boundary of Joshua Tree Nat'l. Mon.; 4 air miles S. of Cottonwood Springs; 1 mi. N of jct. with US 60 609 Comment
  UC1189974  Nama demissa var. demissa John H. Thomas 1957-3-30 6540 Riverside 8.1 mi e Cactus City (about 20 mi e of Coachella, Colorado Desert); Colorado Desert 426 Comment
  UCSB44672  Nama hispida Hibbard, Doug 1977-5-16 Riverside Northwest side of Hwy. 74; 11.8 miles from its intersection with Hwy. 111 1036 Comment
  UCR263727  Nasturtium officinale Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4988 Riverside San Jacinto Mountains, Strawberry Creek below Strawberry Valley, c. 2.25 air mi southwest of Idyllwild 1540 Comment
  POM220131  Navarretia atractyloides F. M. Reed 1932-6-20 7239 Riverside Dry roadside opposite Prison Camp at Dripping Springs - road from Temecula to Aguanga. Comment
  UCR112804  Navarretia atractyloides A. C. Sanders 1997-5-1 20610 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  SDSU13947  Navarretia intertexta subsp. intertexta Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2137 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  RSA286800  Navarretia prostrata R. F. Thorne 1974-5-23 44667 Riverside Santa Rosa Plateau, Rancho California: Top of Mesa de Colorado, 624 Comment
  UC77717 Image available Nemacaulis denudata var. gracilis S. B. Parish 1896-4-1 4140 Riverside Palm Springs Colorado Desert; Colorado Desert, Palm Springs Comment
  RSA0126424  Nemacladus longiflorus var. longiflorus F. M. Reed 1925-5-26 5140 Riverside Horsetheif Canyon. 762 Comment
  RSA777654  Nemacladus orientalis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 756 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  RSA439283  Nemacladus pinnatifidus J. D. Olmsted 1962-5-10 3644 Riverside Crest between Sandia Creek and DeLuz Creek drainages. 259 Comment
  RSA692242  Nemacladus ramosissimus Scott D. White, Michael Honer 2003-5-27 9407 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  SBBG101738  Nemacladus ramosissimus S. Boyd, D. Bramlet 1991-5-13 6251 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester, ridge top S of S-end of Warren Rd 548 Comment
  UC1595624  Nemacladus ramosissimus Steve Boyd 1991-5-20 6260 Riverside s flank Alberhill Mtn. (w end adjacent to old clay mine area); Temescal Canyon 426 Comment
  UCR266495  Nemacladus ramosissimus Mitch Provance, Robin Kinmont 2015-3-30 315- 57 Riverside Temecula/Murrieta Region, Murrieta Hot Springs, unnamed hill about 0.5 miles W of Skunk Hollow, S of Hidden Lake Rd. 440 Comment
  RSA747842  Nemacladus rubescens Scott D. White, Justin M. Wood 2009-4-29 12621 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UC126891 Image available Nemacladus rubescens H. M. Hall 1905-4-17 5819 Riverside e base Indio Mt.; Colorado Desert; Indio Mt., Colorado Desert, Riverside Co. 150 Comment
  SEINET10461078  Nemacladus rubescens Ripley 1941-4-7 RIPLEY 3204 Riverside 10 miles north of Cottonwood Springs 747 Comment
  SEINET10840521  Nemacladus rubescens Philip A. Munz, Charles L. Hitchcock 1928-4-3 Munz 10948 Riverside 10 miles northwest of Riggs Comment
  SEINET4853073  Nemacladus rubescens var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern base of Indio Mountain, Colorado Desert. 150 Comment
  POM433290  Nemacladus sigmoideus M. B. Dunkle 1933-5-6 3443 Riverside Painted Canyon. Comment
  SEINET2081625  Nemacladus sigmoideus R. Haberle 1998-5-10 118 Riverside In Joshua Tree National Monument. Skull Rock Wash, South side ca. 1000 yards in. Comment
  UCR50887A  Nemacladus sigmoideus A. C. Sanders 1988-5-11 7813 A Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  JEPS22331  Nemacladus tenuis var. tenuis Peter H. Raven 1958-1-24 11449 Riverside Fargo Canyon Comment
  POM68098  Nemacladus tenuis var. tenuis Marcus E. Jones 1906-4-27 s.n. Riverside Palm Springs. Comment
  UCR116966  Nemophila menziesii A. C. Sanders, T. B. Salvato 2001-5-3 24091 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR121196  Nemophila menziesii D. E. Bramlet 1989-4-5 1797 A Riverside Perris-Aguanga Basin Region, Shipley Multi-species Reserve, blue-line stream on the southeastern flank of Bachelor Mtn. 470 Comment
  UCR241581  Nemophila menziesii A. C. Sanders, Timothy W. Chumley 2013-4-2 40746 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  POM264311  Nemophila menziesii var. integrifolia J. C. Roos 1937-5-10 666 Riverside Lake Elsinore. Comment
  UCR135994  Nemophila menziesii var. menziesii 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
  UC26145  Nicotiana attenuata H. M. Hall Jun 1901 2150 Riverside borders of Colorado Desert (e base of San Jacinto Mountains); San Jacinto Mountains Comment
  UC303680  Nicotiana attenuata S. B. Parish 1900-1 4435 Riverside Strawberry Valley; San Jacinto Mts. Comment
  RSA0054919  Nicotiana attenuata W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Desert Center. Comment
  SDSU11221  Nicotiana glauca James C Dice, J. DeWald 1987-10-5 734 Riverside Santa Margarita River, near aqueduct crossing. T8S, R3W, southeast 1/4 of northeast 1/4 of sction 27. 247 Comment
  UCR20745  Nicotiana glauca A. C. Sanders, Steve Boyd 1980-5-2 1441 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  SBBG6607  Nicotiana obtusifolia H. and M. Dearing 1936-12-26 1702 Riverside foot of grade Palms to Pines Hwy Comment
  UCR256324  Nicotiana obtusifolia Duncan S. Bell 2012-3-18 3175 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Canyon, c. 1.5 air miles southwest of Hidden Spring 129 Comment
  UCR153675  Nicotiana quadrivalvis Scott D. White 1999-5-24 7398 B Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR20781  Nicotiana quadrivalvis A. C. Sanders, Steve Boyd 1980-5-2 1387 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  POM14396  Nolina bigelovii Philip A. Munz, D. D. Keck 1922-4-9 4907 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
  CLARK-A1528-5002  Nolina parryi John C. Roos 1965-7-18 Riverside San Jacinto Mountains Comment
  JEPS62091  Nolina parryi W. L. Jepson 1901-5-25 1433 Riverside road from Van Deventer's to Coyote Creek Comment
  POM12744  Nolina parryi Philip A. Munz 1922-6-30 5920 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UCR23216  Oenothera californica Wendy Smith 1981-5-23 41 Riverside Peninsular Range; San Jacinto Mtns./Santa Rosa Mtns., Garner Valley. Off Hwy 74, at the entrance to Indian Rock Ranch, 28.1 mi south of its jct with Hwy 111 in Palm Desert 1707 Comment
  RSA40570  Oenothera cespitosa subsp. marginata J. C. Roos 1947-4-5 3427 Riverside North base Santa Rosa Mountains, upper reaches of Deep canyon. Comment
  LA206158  Oenothera deltoides Charles Bogert; 1932-4-17 4001 Riverside Indian Wells Comment
  RSA475297  Oligomeris linifolia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2128 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  POM348469  Olneya tesota Anstruther Davidson 1928-05 s.n. Riverside Colorado Desert. Comment
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Dec 14 2015
  UCR233582  Oncosiphon piluliferum A. C. Sanders, John F. Green 2012-3-26 39992 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, De Palma Rd. near Indian Truck Trail, west of Lee (Corona) Lake near edge of a commercial development 363 Comment
  UCR261194  Oncosiphon piluliferum A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41716 Riverside Esinore, SE quarter of large vacant lot between Hwy 74 and Enterprise Way, a short distance NE of the drain from Lk. Elsinore to Temescal Canyon, S of the end of Enterprise and W of the end of Pasadena St. 387 Comment
  UC403457  Opuntia chlorotica Munz and Johnston 1922-5-20 5571 Riverside near Kenworthy (mouth of creek, coastal drainage of mts.); San Jacinto Mountains, Thomas Valley, Pipe Creek 1371 Comment
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Mar 13 2011
  RSA353376  Opuntia munzii A. C. Sanders 1986-3-2 6147 Riverside Arroyo Seco, along Bradshaw Rd., 5.2 miles W of Graham Pass Rd., S side of the Chuckwalla Mountains. 640 Comment
  RSA285347  Opuntia phaeacantha Lyman Benson 1955-12-6 15625 Riverside Whitewater River canyon 5 miles above US 99. 610 Comment
  UCR89765  Orobanche bulbosa Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3327 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  RSA0066506  Orobanche californica subsp. feudgei Frank W. Peirson 1938-5-30 s.n. Riverside Thomas Mountain, Hemet Valley. Slopes south of the Shell Gas station. 1402 Comment
  UCD123190  Orobanche cooperi Steve Boyd; Orlando Mistretta 1986-3-13 1427 Riverside Palen Mountains: Northeast of Desert Center, jtn of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 243 Comment
  UC139214  Orobanche fasciculata C. A. Purpus 1898-5 Riverside Palmetto. Comment
  RSA612850  Orthocarpus purpurascens var. purpurascens D. L. Banks 1997-3-1 1366 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  RSA221028  Osmorhiza brachypoda E. W. Lathrop 1966-3-30 6124 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat l Forest 1220 Comment
  UC849856  Oxytheca trilobata P. A. Munz 1922-6-25 5818 Riverside Vandeventer Flat San Jacinto Mts. 1402 Comment
  RSA221052  Paeonia californica E. W. Lathrop 1966-3-23 6077 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  SEINET10799066  Palafoxia arida David B. Dunn 1946-3-15 Dunn 2038 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  POM363752  Palafoxia arida var. arida A. N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Box Canon. [Canyon] Comment
  POM363755  Palafoxia arida var. arida A. Menke 1955-4-26 s.n. Riverside Indian Wells. Comment
  RSA0118060  Palafoxia arida var. arida Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7617 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  UC667291  Palafoxia arida var. arida Annie M. Alexander and Louise Kellogg 1941-5-12 2163 Riverside road to Black Eagle Mine Eagle Mountains 670 Comment
  UCSB18115  Palafoxia arida var. arida Flinck, Al 1964-5-17 Riverside State Highway 74, 11 miles S of State Highway 111 Comment
  RSA575932  Panicum capillare Steve Boyd 1994-10-14 8393 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  CAS-BOT-BC253850  Panicum hirticaule Marcus E. Jones 1929-9-16 24653 Riverside E of Desert Center Comment
  RSA0020038  Panicum hirticaule Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6010 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  UCR214015  Parietaria hespera A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37793 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  UCR22121  Parietaria hespera var. californica Steve Boyd 1980-4-13 130 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  RSA448023  Parietaria hespera var. hespera J. Jones, Christopher Davidson 1980-4-4 9942 Riverside West end of the Orocopia Mts. in a small canyon and wash almost due south of Oro Peak. Comment
  RSA543780  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6037 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  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
  HSC24930  Parkinsonia aculeata L. Zuckerman 1967-5-21 34 Riverside 12 mi. NNW of Indio at Thousand Palms Oasis in Indio Hills 457 Comment
  UCR167256  Parkinsonia florida John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR25860  Parkinsonia florida John C. Roos 1937-4-28 794 Riverside Sonoran (Colorado) Desert, Desert Center 274 Comment
  UCR2642  Paspalum distichum F. M. Reed 1907-6-9 1398 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, roadside on Marborough Street 305 Comment
  UC184054  Paspalum urvillei Miss H. A. Gray June 1915 Riverside Palm Spr. R. R. Station Comment
  RSA709112  Pectis papposa Scott D. White, Justin M. Wood 2005-9-27 11230 Riverside San Gorgonio Pass: Cabazon: Alluvial benches and braided dry channels south of Interstate 5 [I-10] and west of San Gorgonio River. 579 Comment
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Mar 18 2012
  UCR163874  Pectis papposa B. G. Pitzer 2000-11-4 4242 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  CAS-BOT-BC355868  Pectis papposa var. papposa C. F. Saunders 1913-6-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  UC2026451  Pectis papposa var. papposa Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10049 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  UCR108481  Pectocarya A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16228 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  RSA775949  Pectocarya heterocarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 939 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  RSA660562  Pectocarya linearis Starr Streight 1982-4-17 76 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  UCR239797  Pectocarya linearis O. F. Clarke 2004-3-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  CHSC101724  Pectocarya linearis subsp. ferocula Scott D. White 2003-3-21 8815 Riverside Santa Ana Mountain Foothills; Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 153 Comment
  RSA487456  Pectocarya linearis subsp. ferocula D. C. Hawks 1988-3-27 s.n. Riverside Between Aguanga and Anza SE of intersection of Dove and Sycamore Streets, S of Hwy 371. Tule Creek drainage, 1.75 mi airline NE of Aguanga. 762 Comment
  RSA523295  Pectocarya linearis subsp. ferocula G. H. True 1935-2-22 15 Riverside Gavilan Hills. 549 Comment
  POM368785  Pectocarya penicillata E. Crow 1929-4-21 336 Riverside North of Alberhill Comment
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Sep 29 2011
  RSA500073  Pectocarya penicillata Steve Boyd, L. Arnseth, Timothy S. Ross 1989-4-2 3239 a Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  RSA613412  Pectocarya penicillata D. L. Banks 1997-4-5 1679 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation., Along a tributary of the north fork of Pechanga Creek. 670 Comment
  SDSU18681  Pectocarya peninsularis Kristen Hasenstab, M. G. Simpson 2008-4-1 48 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 640 Comment
  RSA0106691  Pectocarya platycarpa Duncan S. Bell, Thomas Stoughton 2010-3-19 559 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2 air miles west of Priest Well. 449 Comment
  POM305611  Pectocarya recurvata Henry J. Ramsey, Henry J. Ramsey 1937-2-26 906 Riverside Whitewater. Comment
  RSA695831B  Pectocarya recurvata J. R. Bruff 1928-4-2 97 -B Riverside Canyon wash west of Morango Comment
  SEINET5527589 Image available Pectocarya recurvata Andrew C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6122 Riverside Corn Spring, Chuckwalla Mountains, wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR224251  Pectocarya recurvata A. C. Sanders 2011-3-23 38804 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  RSA747873  Pectocarya setosa Justin M. Wood 2009-5-11 696 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  SD247369  Pectocarya setosa A. C. Sanders, Steve Boyd, et al. 2009-4-9 36790 Riverside Peninsular Range; Santa Ana Mountains; Elsinore Peak, ca. 0.4 mile SE of the summit.\ 1014 Comment
  SD39276  Pectocarya setosa Edith A. Purer 1935-4-21 6451 Riverside Pine Valley, Pines to Palms Highway 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
  RSA612375  Pedicularis densiflora D. L. Banks, Joe Moreno 1997-2-5 1247 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  UC103245  Pedicularis semibarbata A. W. Anthony 1895-7-7 Riverside San Jacinto Mountains 2743 Comment
  RSA750884  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Riverside, residence at 1009 Bascomb Drive 305 Comment
  RSA686925  Pellaea mucronata P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. 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
  UCR42323  Pellaea mucronata N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 170 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  RSA686922  Pellaea mucronata subsp. californica T. R. Pray 1956-11-11 1057 Riverside Santa Rosa Mountain, S side of summit ridge 2439 Comment
  UC1874929  Pellaea mucronata subsp. mucronata Ruth Kirkpatrick 2003-4-24 1150 Riverside Nightingale / Pinyon Pine Campground, ca. 3/4 mi from Sawmill Trailhead along Cactus Spring Trail. 1210 Comment
  JOTR30783  Pellaea mucronata var. mucronata La Doux, Tasha, Erin Babich 2007-4-18 1515 Riverside Joshua Tree National Park. About .5 mile southeast of Lost Horse Ranger Station, at the west edge of Lost Horse Valley 1278 Comment
  UCR199589  Pennisetum setaceum Scott D. White, Angelia Carey 2004-7-2 10576 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR178017  Penstemon X parishii Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 524 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  SD28111  Penstemon bridgesii Carl B. Wolf 1932-8-4 3908 Riverside San Jacinto Mts. Point View, near Idyllwild 1646 Comment
  RSA412461  Penstemon centranthifolius E. C. Jaeger 1921-6-1 s.n. Riverside Gregg's Ranch, San Jacinto Mtns. 1372 Comment
  RSA560408  Penstemon centranthifolius Steve D. Boyd 1992-4-15 6882 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA618387  Penstemon centranthifolius D. L. Banks 1997-5-5 1977 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SD229288  Penstemon centranthifolius Dick Schwenkmeyer 2012-6-27 744 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UCR120823  Penstemon centranthifolius Ian G. Gillespie, Summer Karsh 2000-5-13 42 Riverside San Jacinto Mtns., c. 200 m up Mt. Edna Road off of Hwy 243 on the northern side of the mountains. 1159 Comment
  OBI29879  Penstemon clevelandii Melissa Luckow, Rhonda Riggins 1982-4-15 822 Riverside 1.5 mi SE of Pinyon Crest Rd, 9.6 mi NW jctn Hwy 74 and 371 in Paradise Valley along hwy 74 1158 Comment
  CAS-BOT-BC265292  Penstemon clevelandii subsp. connatus Philip A. Munz 1937-5-29 15154 Riverside Deep Canyon, Santa Rosa Mountains 1066 Comment
  RSA90130  Penstemon clevelandii subsp. connatus E. K. Balls, Percy C. Everett 1953-8-19 18535 Riverside Head of Palm Canyon, where stream crosses Hwy 74 on Palms to Pines Hwy. 1372 Comment
  RSA0014857  Penstemon rostriflorus Carl B. Wolf 1932-8-4 3908 Riverside San Jacinto Mts. Point View near Idyllwild. 1646 Comment
  JEPS13631  Penstemon spectabilis Peter Kamb 1947-5-17 528 Riverside Banning-Idyllwild road at Vista Grande Ranger Station , Vista Grande Ranger Station (San Jacinto Mts.) 1463 Comment
  SDSU10970  Penstemon spectabilis Samuel R. Franks 1962-5-19 Riverside San Jacinto Mtns. Comment
  NY661174  Penstemon spectabilis var. spectabilis R. M. Straw 1953-6-5 448 Riverside 0.3 mile west of Palms to Pines Highway, on road to Anza Comment
  UC399569  Pentagramma glanduloviscida F. M. Reed 1917-8-19 3771 Riverside Palm Canyon; Colorado Desert Comment
  CAS-BOT-BC77485  Peritoma arborea var. angustata F. H. Billings 1926-2-6 18 Riverside Desert near Palm Springs Comment
  CAS-BOT-BC77495  Peritoma arborea var. angustata R. Bacigalupi 87 Riverside Canyon Springs Comment
  CAS-BOT-BC355992  Perityle emoryi Geo. B. Grant 1906-4-20 6784 Riverside Palm Springs Comment
  OBI26015  Perityle emoryi David J. Keil 1977-1-2 11930 Riverside Cactus City rest Area along I-10 E of Indio Comment
  UC170155  Perityle emoryi E. E. Schellenger 1894-12-3 104 Riverside Churckawalla Wash, Colorado Desert Comment
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Sep 15 2016
  UCR148329  Perityle emoryi 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
  UCR274808  Perityle emoryi David Fraker, Aaron C. Sedgwick 2012-3-22 024 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  UCR72233  Perityle emoryi Theo Glenn 1991-5-24 91- 133 Riverside Sonoran (Colorado) Desert, Palen Mtns, NE of Desert Center 399 Comment
  CAS-BOT-BC418845  Persicaria hydropiperoides Philip A. Munz 1935-10-21 14652 Riverside Santa Ana River, below Rincon Comment
  JOTR35186  Persicaria lapathifolia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3280 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 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
  POM83639  Petalonyx thurberi Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  SDSU8047  Petalonyx thurberi Gerald Collier 1951-5-27 Riverside State Hwy 74 about 4 miles west of junction with state Hwy 111. Comment
  SEINET218494  Petalonyx thurberi A. J. Breitung 1953-6-12 15525 Riverside Palm Springs. Comment
  UCR148787  Petunia parviflora Les Ede 1974-1 s.n. Riverside Sonoran (Colorado) Desert, Blythe, Colorado River Valley 84 Comment
  POM6121  Peucephyllum schottii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 305 Comment
  UCR166545  Peucephyllum schottii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10889 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  POM311268  Phacelia ambigua Shirley See 1958-3-30 206 Riverside South entrance to Joshua Tree National Monument. 610 Comment
  RSA0043369  Phacelia ambigua var. ambigua Marc A. Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17711 Riverside Palo Verde Mesa, 14 km SW of Blythe, 5 km ENE of north end of the Mule Mountains. Comment
  POM122680  Phacelia brachyloba Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA525262  Phacelia brachyloba Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4575 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  RSA559354  Phacelia brachyloba Steve Boyd, Tim Ross 1992-5-15 7388 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  RSA697792  Phacelia campanularia J. R. Bruff 1927-3-12 2 -T Riverside Whitewater. Comment
  RSA74791  Phacelia campanularia F. W. Peirson 1917-4-1 4123 Riverside Palm Springs Comment
  UC1184078  Phacelia campanularia subsp. campanularia Peter M. Ray 1949-3-12 1352 Riverside 2 mi w Whitewater; north side of Coachella Valley 457 Comment
  CAS-BOT-BC133954  Phacelia cicutaria Milo S. Baker 1928-4-3 3246 a Riverside Palm canon Comment
  HSC13709  Phacelia cicutaria var. hispida C. L. Hitchcock 1966-3-15 24156 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  RSA614227  Phacelia ciliata D. Bramlet 1993-3-30 2303 Riverside South Cajalco Benc. the site is located some 61m south of Cajalco Road, at a location 3.2km east of the intersection of Cajalco Road and Sierra Ave. The site is 152m E of the intersection with the Old Monument Peak access road. 451 Comment
  UCR148465  Phacelia crenulata John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  SEINET3091710 Image available Phacelia crenulata var. ambigua G. Helmkamp, E. Helmkamp 1998-1-17 2541 Riverside Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal. 0 Comment
  UCR72243  Phacelia crenulata var. ambigua Theo Glenn 1991-5-30 91- 115 Riverside Sonoran (Colorado) Desert, Mule Mtns, 0.2 mi. east of the Opal Hill Mine, just north of the Imperial County line and west of Palo Verde 200 Comment
  OBI59605  Phacelia distans David Charlton 1988-2-18 1183 Riverside Alluvial Fan, S side of Little San Bernardino Mts, Fargo Cyn Rd to Cottonwood Wash, S of Joshua Tree Natl Park, parallel to I-10. 5 I E of jct Dillon Rd and Fargo Cyn rd 762 Comment
  RSA426249  Phacelia distans Martha Hilend 1928-3-11 83 Riverside Morongo Valley, Colorado Desert. Comment
  RSA444326  Phacelia distans Walter Wisura 1988-3-1 4194 Riverside 2.5 mi fr. I 10 along Box Canyon Rd. toward Mecca Comment
  UCR102699  Phacelia distans B. G. Pitzer 1998-1-24 3382 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR117712  Phacelia distans Mitch Provance 1998-6-11 681 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  VVC267  Phacelia distans A. C. Sanders 1997-5-4 20641 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  UCSB26909  Phacelia imbricata Wilken, Dieter 1969-6-30 Riverside County Road R1, 1.0 miles south of Idyllwild, San Jacinto Mtns. 1524 Comment
  HSC86135  Phacelia imbricata subsp. patula B. Freeman, David Hagstrum 1969-6-28 69062811 Riverside San Jacinto Mtns., University of California James Reserve, bank overlooking Indian Creek Comment
  UCR8339  Phacelia imbricata subsp. patula B. Freeman 1969-7-25 690625- 34 Riverside San Jacinto Mtn., University of California James Reserve, Trailfinders' Camp, near Lake Fulmor, on road from Banning to Idyllwild 1646 Comment
  RSA736702  Phacelia minor Scott D. White 2004-4-26 10247 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  SD143841  Phacelia minor A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20655 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat) N slope of peak 3740 1067 Comment
  UCR155050  Phacelia minor Jason L. Hlebakos 2005-5-30 824 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UC68789  Phacelia neglecta H. M. Hall 1905-5-1 5955 Riverside near Paloverde; Colorado Desert 91 Comment
  UCR196362  Phacelia neglecta Naomi Fraga, Lisa Rojas 2005-2-10 1355 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR214299  Phacelia neglecta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37466 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  LA205631  Phacelia parishii Philip A. Munz; 1937-5-29 15101 Riverside Shumway, edge of Pinyon Flats, San Rosa Mts 1219 Comment
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Mar 11 2014
  UCR199571  Phacelia ramosissima Scott D. White, Angelia Carey 2004-7-2 10593 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UC1040771  Phalaris aquatica L. Reese 1956-5-29 10 Riverside San Jacinto Valley 475 Comment
  UCR113892  Phoenix canariensis Mitch Provance 1998-4-14 445 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  POM4507  Pholistoma membranaceum I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 457 Comment
  UCR41366  Pholistoma membranaceum N. M. Fellows 1985-3-3 87 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  RSA793530  Phoradendron californicum Naomi S. Fraga, David Fraker, Tommy Stoughton 2012-3-15 3953 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  UCR281862  Phoradendron californicum A. C. Sanders, Jim Malusa 2017-9-19 43331 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, c. 1.35 km SW of Tabaseca Tank 634 Comment
  JOTR16866  Phoradendron villosum Wanrow, E. 1969-8-13 s.n. Riverside Joshua Tree National Park. BARKER DAM Comment
  RSA654165  Phoradendron villosum A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  POM14264  Physalis crassifolia Philip A. Munz, D. D. Keck 1922-4-9 4814 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA0031611  Physalis crassifolia Jim Andre 2013-3-27 24816 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  SBBG66344  Physalis crassifolia M. N. Ackley -Feb-1926 973 Riverside Painted Cyn 76 Comment
  SEINET10546612  Physalis crassifolia Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 21 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  RSA0065367  Physalis crassifolia David B. Dunn 1947-7-12 2980 Riverside Indio Hills in Pushawalla Canyon. Comment
  UCR17042  Physalis philadelphica R. L. Lasby 1969-5-16 32 Riverside South of Bloomington, [Crestmore] along the E side of Cactus Ave., 0.2 mi south of Jurupa Ave., between windbreak of Eucalyptus trees on the north and low bluff (10-20 ft. high) on the south 293 Comment
  CAS-BOT-BC60806  Physaria tenella Roxana S. Ferris 1953-3-13 12607 Riverside Road along Coachella Canal east of Bat Caves Buttes near Imperial County line. Comment
  POM12205  Pilularia americana P. A. Munz 1922-4-29 5087 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA234023  Pilularia americana R. F. Thorne, Earl Lathrop 1969-5-19 37966 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  RSA357171  Pilularia americana R. F. Thorne, Earl Lathrop 1975-5-25 45545 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  JEPS20056  Pinus attenuata Carl V. Meyer 1929-11-29 Riverside 250 yds. e Keen Camp Ranger Sta.; Mt. San Jacinto Comment
  RSA0077533  Pinus lambertiana G. Wallace 1964-4-26 s.n. Riverside Idlewild area. Comment
  RSA761872  Pinus ponderosa Patrick Garrett, C. Martinez, N. Fraga, L. McDade 2010-8-14 72 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR67003  Piptatherum miliaceum S. J. Myers 1990-12-10 s.n. Riverside Santa Ana River Valley, Louis Rubidoux Nature Center: along the drainage that connects to the Sunnyslope channel and to the confluence with the Santa Ana River 214 Comment
  UCR209164  Pistacia atlantica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37157 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  CLARK-A1528-1121  Plagiobothrys canescens John C. Roos 1941-3-22 218 Riverside Reche Canyon 609 Comment
  UCR20688  Plagiobothrys canescens O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  UCR97686  Plagiobothrys canescens A. C. Sanders, G. Helmkamp 1997-3-15 19964 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  UCR225614  Plagiobothrys collinus A. C. Sanders 2011-3-30 38920 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  UCR114929  Plagiobothrys collinus var. californicus Julie A. Greene 1993-4-30 1278 A Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of visitor center road and north of the old San Jacinto River drainage 433 Comment
  UCR157464  Plagiobothrys collinus var. fulvescens A. C. Sanders 1994-5-30 14614 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  SEINET2445416  Plagiobothrys glomeratus Daphne K. Christopher, Hannah Stevens 2003-4-3 83 Riverside Uc Riverside. Motte Rimrock Reserve. Off Hairstreak Trail. 536 Comment
  POM13593  Plagiobothrys leptocladus P. A. Munz 1922-5-5 5158 Riverside Mystic Lake, near Moreno. Comment
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Mar 20 2011
  UCR281234  Plagiobothrys leptocladus Mitch Provance, Jeremiah George 2017-3-23 317- 68 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  SEINET272326  Plagiobothrys tenellus A. C. Sanders, G Helmkamp 1997-3-15 19961 Riverside Lake Skinner Area; NE of Skinner Lake in a tributary to Rawson Canyon along the dirt road. UTM 10km cell: MH-9E 1N. Sk 503 Comment
  CHSC8393  Plantago Edward L. Smith 1958-3-22 410 Riverside Located in sand dunes 3 mi. s of Rice. Santa Maria Mts. 335 Comment
  CLARK-A1528-3434  Plantago erecta John C. Roos 1937-3-5 1300 Riverside La Sierra Comment
  UC173743  Plantago erecta T. S. Brandegee Apr 1901 Riverside Colorado Desert Comment
  UCR171727  Plantago erecta John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  SD187451  Plantago lanceolata Scott D. White, Angelia Carey 2004-5-7 10340 Riverside San Jacinto Mountain foothills; Indian Creek and adjacent foothills. 459 Comment
  UCSB6244  Plantago lanceolata Kamb, Peter 1947-5-17 Riverside Hall Canyon; San Jacinto Mts 1645 Comment
  UCR241223  Plantago major Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 519 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  SEINET10869830  Plantago ovata Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-13 Dietrich 30 Riverside 7.5 miles south of North Shore on State Highway 111. Along highway on east shore of Salton Sea. Sandy beach soil with creosote bush common. 40 Comment
  RSA402014A  Plantago ovata var. fastigiata N. C. Cooper 1949-3-15 3030 Riverside Palm Springs. 122 Comment
  RSA457801  Plantago ovata var. fastigiata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2198 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  SBBG7270  Plantago ovata var. fastigiata H. and M. Dearing 1937-4-10 2896 Riverside 1000 Palms Cyn Comment
  RSA0120328  Plantago patagonica Duncan S. Bell, Thomas Stoughton 2016-4-14 9290 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  RSA783586  Plantago patagonica M. Wall 2011-4-2 601 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 6.5 miles east of jct. with Fairview Ave. 758 Comment
  UCR125281  Platanus acerifolia A. C. Sanders 2002-11-21 25651 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UCR270186  Platanus racemosa A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42409 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  RSA751408  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -395 Riverside City of Temecula, Vine St. at Peach Tree St. 361 Comment
  RSA801975  Plectritis ciliosa Keith E. Hoffmaster 1937-6-6 779 Riverside Palms to Pines road near Keen Camp. PR4. 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
  RSA129650  Pleuraphis rigida H. S. Yates 1936-4-7 5431 Riverside 10 miles E of Whitewater; elv. 1000 ft 305 Comment
  UC912655  Pleuraphis rigida H. L. Mason 1928-3-10 4198 Riverside Whitewater River Comment
  JEPS30455  Pleurocoronis pluriseta Peter H. Raven 1958-1-24 11465 Riverside just ne Indio; Fargo Canyon Comment
  RSA0043057  Pleurocoronis pluriseta Duncan S. Bell, Evan Meyer 2014-4-1 6484 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 4.5 air miles northwest of Gucci Spring; about 4.5 air miles north of the Bradshaw Trail. 652 Comment
  RSA721882  Pleurocoronis pluriseta J. Mark Porter, Orlando Mistretta 2003-6-5 13625 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  SBBG62649  Pleurocoronis pluriseta L. G. Yates -Apr-1895 Riverside Palm Springs Comment
  UC604958  Pleurocoronis pluriseta Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9572 Riverside 2 mi up Painted Hills; Mecca Hills Comment
  CAS-BOT-BC326531  Pluchea sericea G. P. Rixford 1911-4-1 s.n. Riverside Needles Comment
  CAS-BOT-BC326537  Pluchea sericea C. F. Baker 1903-4-4 4148 Riverside Elsinore Comment
  RSA457391  Poa annua J. C. Roos 1965-10-7 s.n. Riverside Hemet, in the lawn with Cotula australis. Comment
  RSA741010  Poa compressa Scott D. White, Justin M. Wood 2008-6-18 12227 Riverside K Flat Meadow. 1433 Comment
  POM263182  Poa pratensis J. C. Roos 1937-8-18 466 Riverside Round Valley, San Jacinto Mountains. Comment
  UCD90300  Poa secunda A. A. Beetle 1944-4-27 3006 Riverside West of Murietta. Comment
  UCR178028  Poa secunda Scott D. White, Michael Honer 2003-4-4 8927 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  RSA91516  Poa secunda F. W. Peirson 1933-4-15 1055 Riverside Whitewater Canyon, 4 miles above bridge of Hwy from Banning to Indio, 701 Comment
  UC667275  Polygala acanthoclada Annie M. Alexander and Louise Kellogg 1941-5-18 2195 Riverside 1.5 mi n Cottonwood Spring; Colorado Desert, Eagle Mountains 975 Comment
  UCR92304  Polygonum lapathifolium Scott D. White, S. Ogg 1994-10-17 2481 Riverside Temecula Valley, Temecula, Murrieta Creek channel, 1000 ft. north of bridge at Rancho California Ave. 311 Comment
  UC2026433  Polygonum ramosissimum Louis C. Wheeler 1955-6-10 7152 Riverside 3.5 MILES NNE OF PALO VERDE: Avenue 32 & Rannells Blvd. Comment
  UCR82905  Polypogon australis A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15799 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  RSA503416  Polypogon interruptus John Olmsted 1962-5-10 3632 Riverside Coldwater Canyon, Corona city water supply, western Riverside County 396 Comment
  RSA714424  Polypogon monspeliensis A. C. Sanders 2004-5-12 27868 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  SEINET4058579  Polypogon monspeliensis O. M. Clark 1936-1 7577 Riverside San Jacinto Creek, San Jacinto Mountains. Comment
  UC472732  Polypogon monspeliensis A. S. Hitchcock 1918-3-27 Riverside Colorado Desert Palm Springs; , Palm Springs 100 Comment
  UCR160845  Polypogon monspeliensis T. B. Salvato, Kelly Volansky 2003-3-27 118 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA575836  Polypogon viridis Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at confluence of 'Estelle Creek' and Temescal Creek, just NW of entrenched meander of Temescal Creek at western base of Estelle Mountain. 317 Comment
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Oct 22 2011
  CAS-BOT-BC102588  Populus fremontii W. R. Dudley 1903-12-25 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC102602  Populus fremontii Alice Eastwood 1919-3-15 7989 Riverside Indio Comment
  SD229276  Populus fremontii Dick Schwenkmeyer 2013-6-11 904 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  UCR17038  Populus fremontii Carolyn McNeill 1969-5-3 s.n. Riverside Edge of Potrero Creek, alongside Fields Rd., 3 mi. NW of Interstate 10 between Cabzon and Banning Comment
  SEINET10932113  Populus fremontii David B. Dunn 1946-3-17 Dunn 2101 Riverside At pushawalla palms by the springs. Indio hills. Comment
  RSA771107  Populus fremontii subsp. fremontii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4727 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  SBBG19980  Porophyllum gracile M. A. Piehl 1963-9-18 63848 Riverside US Hwy 80, 2.7 mi W of Desert Center 312 Comment
  RSA793473  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  UCR119410  Portulaca oleracea Mitch Provance 1998-6-20 751 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR224437  Potentilla glandulosa Scott D. White, Justin M. Wood 2009-5-22 12903 Riverside San Jacinto Mountains, Idyllwild area, 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds 1456 Comment
  RSA227305  Potentilla norvegica L. B. Ziegler 1971-9-8 s.n. Riverside Hemet Lake, Garner Valley, south slope of San Jacinto Mts. Comment
  RSA0013883  Proboscidea althaeifolia Justin M. Wood, D. M. Ray 2010-11-1 3070 Riverside Mojave Desert: NE side of SR-177, approx. 1 km NE of Desert Center. 176 Comment
  RSA770434  Prosopis glandulosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4565 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CAS-BOT-BC206983  Prosopis glandulosa var. torreyana F. P. Cronemiller 1927-5-11 3016 Riverside Oak Park R.S., Cleveland Forest 762 Comment
  RSA628534  Prosopis glandulosa var. torreyana A. C. Sanders, T. Tennant, J. S. Ross 1998-8-20 22223 Riverside Morongo Indian Reservation, Lion Canyon. 671 Comment
  UC61512  Prosopis glandulosa var. torreyana L. D. Copeland May 1904 5 Riverside West Canyon, Palm Springs; Palm Springs Comment
  RSA698640  Prunus fasciculata J. R. Bruff 1928-4-2 167 Riverside Cottonwood Springs. Comment
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Mar 23 2015
  SD80104  Prunus fasciculata Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 386 Riverside South of Highway 74 between Sugar Loaf CafA^ and entry gate to service road. 1219 Comment
  SBBG3056  Prunus fremontii H. and M. Dearing 1941-4-9 4634 Riverside Palms to Pines Hwy Comment
  UCR92194  Prunus ilicifolia subsp. ilicifolia D. L. Banks, Peter L. Morrell 1995-5-4 0298 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., east of the Dripping Springs Alcove Area, a;ong the Woodchuck Trail 549 Comment
  RSA454189  Prunus virginiana var. demissa Robert L. Rutherford 1945-5-24 1656 Riverside Big Oaks Canyon, Banning. 1220 Comment
  SBBG8677  Psathyrotes ramosissima H. and M. Dearing 1939-11-11 4028 Riverside E of Palm Springs Comment
  POM4652  Pseudognaphalium biolettii Robinson, Crocker 1916-3-29 569 Riverside Santa Ana Mountains, canyons near Murietta. Comment
  RSA613888  Pseudognaphalium biolettii A. C. Sanders 1997-3-1 19714 Riverside Box Springs Mtns: Coyote Hill (Bench Mark 'Versity', 1386ft) and ridge S and SE of the UCR Botanic Garden 427 Comment
  CAS-BOT-BC356790  Pseudognaphalium californicum Jennifer H. Jones 2006-5-16 301 Riverside Peninsular Ranges: Box Springs Mtns. E end of Big Springs Road, N side 372 Comment
  UCR281889  Pseudognaphalium leucocephalum R. E. Riefner Jr. 2017-9-4 17- 451 Riverside Perris-Aguanga Basin, Wolf Valley, city of Temecula, Temecula Creek, immediately north of Temecula Lane and Canterfield Drive, vicinity of Pala Community Park 323 Comment
  JOTR32462  Pseudognaphalium luteoalbum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2607 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
  UC485673  Pseudognaphalium thermale A. J. Perkins 1916-9-17 Riverside Idlywild <may be Idlewild> San Jacinto Mt., Idlywild Comment
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Oct 19 2008
  CLARK-A1045-174  Psilocarphus brevissimus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains along road; drying mud of vernal pools; Wildomar 7.5'Q Comment
  RSA581690  Psilocarphus tenellus var. globiferus B. Leatherman 1995-5-4 s.n. Riverside Base of low hills south of Winchester in roadside ditch along west side of Highway 79, about 1/4 mile north of intersection with Newport Road 463 Comment
  UCR40269  Psoralea macrostachya Steve Boyd 1985-7-30 1049 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 7.8 - 10 mi. west of Rancho California Comment
  UCR35041  Psoralea rigida L. B. Ziegler 1966-7-12 062 Riverside San Jacinto Mtns, junction of Hwys 371 and 74 1463 Comment
  UC574887  Psorothamnus arborescens var. simplicifolius C. Epling, Wm. Robison 1933-6-24 Riverside San Gorgonio Wash near Banning; Little San Bernardino Mountains Comment
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Jun 26 2012
  UC596749  Psorothamnus arborescens var. simplicifolius Rensselaer J. Smith May 1904 308 Riverside White Water Desert Comment
  UCR251349  Psorothamnus arborescens var. simplicifolius S. J. Myers 2014-5-21 1065 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  RSA293531  Psorothamnus emoryi C. W. Tilforth 1979-8-8 1907 Riverside S edge of Palm Desert along Highway 74, SE of Palm Springs, Riverside Co. 76 Comment
  RSA799244  Psorothamnus emoryi Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 735 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  SBBG68074  Psorothamnus emoryi Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  UC484161  Psorothamnus emoryi B. D. Stark 1930-4-2 1501 Riverside w Indio; w of Indio 0 Comment
  UC729727  Psorothamnus emoryi Carl B. Wolf 1932-4-26 2967 Riverside on Blythe Road 3 mi e Mecca (Colorado Desert); , e of Mecca 0 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
  RSA0030742  Psorothamnus schottii Scott D. White 1999-10-19 7626 Riverside Near Berdoo Canyon: Northeast of Dillon Rd., just S of mouth of Berdoo Cyn., on the S-facing bajada of the Little San Bernardino Mts. 152 Comment
  RSA788556  Psorothamnus schottii Duncan S. Bell 2012-3-8 3148 Riverside 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
  UCD108355  Psorothamnus schottii Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  CAS-BOT-BC72616  Pteridium aquilinum Louis C. Wheeler 1931-10-4 201 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  RSA0062673  Pteridium aquilinum Jack Starnes 1949-5-10 s.n. Riverside Santa Ana Mountains, near Ortega Highway. 1524 Comment
  RSA5217  Pteridium aquilinum var. pubescens C. B. Wolf 1932-8-4 3911 Riverside Near Point View, near Idyllwild. San Jacinto Mtns. 1646 Comment
  UC218673  Pteridium aquilinum var. pubescens P. A. Munz 1922-7-5 6012 Riverside Tahquitz Valley; San Jacinto Mts 2194 Comment
  POM19645  Pterospora andromedea Mary F. Spencer 1923-7-30 2270 Riverside Banning road prope [near] Idyllwild. San Jacinto Mt. 1829 Comment
  POM10467  Pterostegia drymarioides F. M. Reed 1904-6-5 s.n. Riverside Bank near Fairmont Park Comment
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Jul 4 2010
  RSA523470  Pterostegia drymarioides Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4029 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA769709  Pterostegia drymarioides E. W. Lathrop 1973-6-28 7446 Riverside Bear Springs on the Main Divide Truck Trail, 1 mi E of Santiago Peak, Cleveland National Forest. Comment
  RSA450763  Pulicaria hispanica J. C. Roos 1965-8-2 s.n. Riverside Palm Springs: along irrigation ditch on Vista del Chino, between Sunrise Way and Caballeros Ave. 122 Comment
  RSA674755  Pulicaria paludosa Scott D. White 2001-6-29 8630 -A Riverside Meniffe Valley: About 1.4 air mi SW of the I-215/ Newport Rd. Interchange, northwest of the intersection of HollandRd. and Bradley Rd. 439 Comment
  UC21716  Pyrola picta H. M. Hall Jun 1901 Riverside in Canyons of the west side; dark Canyon Comment
  RSA0083325  Pyrola picta Mary F. Spencer 1923-7-8 2219 Riverside [Illegible portion of locality information on top of label.] Banning road in Idyllwild, San Jacinto Mt. 1829 Comment
  UC5849  Quercus X acutidens Samuel B. Parish 1891-11-5 2261 Riverside near Temecula (McGee's Stone) Comment
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Mar 27 2011
  SJSU16067  Quercus X morehus Allen W. jacobs 1938-8-1 344 Riverside Found due East from Keen Ranger Station; at the end of the forest by grassy open area abut 1000 feet or more. 1402 Comment
  CAS-BOT-BC61821  Quercus agrifolia B. Trowbridge 1979-4-13 6074 Riverside ca. 5 miles west of Temecula off Hwy. 71 457 Comment
  UC1135312  Quercus agrifolia R. St. John Apr 1930 137 Riverside Cottonwood Canyon Elsinore Quad. 457 Comment
  UC1135315  Quercus agrifolia A. Lewis 1934-3-4 312 Riverside Tin Mine Canyon Cleveland National Forest, Corona Quad. 304 Comment
  RSA751628  Quercus agrifolia var. agrifolia G. Gust, L. Nye 2005-3-11 540 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1-2 miles W of lake Elsinore on hill slope pullout. 481 Comment
  SD167110  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31550 Riverside San Jacinto Mountains; wesern edge of Vandeventer Flat along Highway 74. 1433 Comment
  UCR158894  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31561 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  UCR30819  Quercus agrifolia var. oxyadenia John C. Roos 1937-8-19 358 Riverside San Jacinto Mtns, near Ribbonwood, Palms to Pines Hwy. Comment
  RSA702555  Quercus berberidifolia Scott D. White 2004-10-8 10775 Riverside Black Hills,' southeast of Lake Skinner and north of Oak Mountain. 610 Comment
  RSA710828  Quercus berberidifolia A. C. Sanders, Mark A. Elvin, M. S. Enright 2002-4-16 24970 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont. 549 Comment
  UCD45293  Quercus berberidifolia K. R. Montgomery 1969-7-9 69 29 Riverside Elevation 3500', Wilson Valley, 18 miles south of Hemet, Riverside County, California. 1066 Comment
  UCR2936  Quercus berberidifolia Wm. Horn Jr. 1963-4-20 630420- 01 Riverside Santa Ana Mtns., [Santa Rosa Plateau, on Tenaja Road west of] Murrieta, 100 yards east of dirt road to Tenaja Ranger Station, 2.2 miles west of Santa Rosa Ranch gate. 'c. 1400 ft. 549 Comment
  POM122373  Quercus chrysolepis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  UCR18991  Quercus cornelius-mulleri John C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns, Pinyon Flats 1220 Comment
  CAS-BOT-BC257778  Quercus dumosa P. S. Manos 1988-10-27 668 Riverside Gavilan Rd., in Wildlife Preserve 600 Comment
  UC5826  Quercus dumosa S. B. Parish 1891-11-5 2259 Riverside McGee's home Comment
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Mar 9 2011
  CAS-BOT-BC105318  Quercus kelloggii Carl Epling 1931-10-4 s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  RSA215586  Quercus wislizeni L. B. Ziegler 1969-10-24 s.n. Riverside Kenworthy Ranger Station. Hemet Valley, San Jacinto Mts. 1418 Comment
  RSA704013  Rafinesquia californica Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 133 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On main gravel road heading away from ranch entrance and private residence driveways. 363 Comment
  UCD135331  Rafinesquia californica E. W. Lanthrop 1966-5-8 6405 Riverside Santa Ana Mountains. 3 miles southwest of Corona. Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
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Aug 26 2014
  UCR214578  Rafinesquia californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37844 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  JOTR28943  Rafinesquia neomexicana La Doux, Tasha 2005-3-30 1179 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR33980  Rafinesquia neomexicana La Doux, Tasha, M. Harding 2010-4-7 2868 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  POM254899  Rafinesquia neomexicana P. A. Munz 1940-3-24 15707 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA776345  Rafinesquia neomexicana Duncan S. Bell 2010-3-20 623 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR84839  Rafinesquia neomexicana A. C. Sanders, K. Rose, D. Woodard 1995-3-15 16135 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  SEINET1909588  Ranunculaceae A. C. Sanders 2004-1 27558 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
  RSA198932  Ranunculus aquatilis var. capillaceus Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37423 Riverside Santa Rosa Plateau: near roadside, Rancho California. Santa Ana Mountains 610 Comment
  UC219270  Ranunculus aquatilis var. capillaceus P. A. Munz and I. M. Johnston 1922-5-21 5522 Riverside Garner Ranch San Jacinto Mts., Hemet Valley 1371 Comment
  UCR202608  Ranunculus sceleratus Scott D. White, Justin M. Wood 2008-7-9 12408 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UC592703  Rhamnus californica P. C. Everett 1935-6-17 Riverside 0.5 mi above Glen Ivy Resort; Santa Ana Mts., Coldwater Canyon 457 Comment
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Jan 11 2007
  UCR140660  Rhamnus californica subsp. tomentella Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 86 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  UCR193307  Rhamnus californica subsp. tomentella A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35603 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1562 Comment
  CAS-BOT-BC56043  Rhamnus ilicifolia A. C. Sanders; Tracy Tennant; Jeff Ross 1998-8-20 22217 Riverside San Bernardino Mtns.: Morongo Indian Reservation, Middle Branch Millard Canyon 1341 Comment
  HSC28009  Rhamnus ilicifolia Richard Spjut 1973-4-13 3301 Riverside Mojave Desert, mtns. near Morongo Pass near Hwy. 62 915 Comment
  JEPS42036  Rhamnus ilicifolia M. French Gilman Apr 1921 Riverside Beaumont Comment
  UCR101451  Rhamnus ilicifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22217 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  POM122847  Rhamnus tomentella subsp. cuspidata Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  POM19809  Rhamnus tomentella subsp. cuspidata Mary F. Spencer 1923-7-1 2189 Riverside Fern Valley. 1677 Comment
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Nov 18 2011
  RSA471023  Rhododendron occidentale N. C. Cooper 1949-6-29 4339 Riverside East side of San Jacinto Mountains. 457 Comment
  UCSB31577  Rhododendron occidentale Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  UCD116878  Rhus aromatica Richard Bates 1949-5-21 s.n. Riverside Pinon flats, Hemet Lake area, San Jacinto Mtns. Comment
  RSA386388  Rhus ovata M. V. Hood 1945-3-30 s.n. Riverside Aguanga. 762 Comment
  RSA650225  Rhus ovata James Carill 1949-3-26 s.n. Riverside 1/2 mi. So. Palm Springs. 91 Comment
  RSA0046827  Rhus ovata Tamara Joy Hanna 1991-5-12 30 Riverside Township of Anza, area of High Country Ranches. From Tamatea Road approx. 100 ft. to dry stream bed, walking northeasterly direction. 1280 Comment
  RSA291592  Rhus trilobata var. pilosissima C. W. Tilforth, Walter Wisura 1979-4-11 1767 Riverside East end of Murrieta-DeLuz Rd, ca. 2 air mi. south of Murrieta. 335 Comment
  UC1127366  Ribes amarum A. Lewis Mar 1934 352 Riverside Sugarloaf Peak Cleveland National Forest, Corona Quadrangle Comment
  RSA162815  Ribes californicum var. hesperium J. D. Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in W Corona, after 3 miles turn W on Chase Dr, then S on Oak Flat fire road for 4 miles past Olive trees. Santa Ana Mts. 793 Comment
  SEINET238554 Image available Ribes cereum var. cereum George K. Helmkamp 1998-6-27 4127 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  RSA543195  Ribes indecorum Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6115 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR93091  Ribes indecorum Scott D. White 1995-12-24 3800 Riverside Lakeview Mtns, c. 7 road mi. SE of Davis Road - Ramona Expressway intersection 671 Comment
  SEINET13942527 Image available Ribes indecorum S. Lambert 1981-1 1911 Riverside San Bernadino National Forest, hwy 74, 6.0 miles W Mountain Center, 3000 feet elevation, streamside 914 Comment
  CAS-BOT-BC168949  Ribes malvaceum Carl B. Wolf 1932-2-11 2643 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. west of Corona, base of Skyline Drive 405 Comment
  UCR121645  Ribes malvaceum A. C. Sanders, Kent Beaman 2002-5-10 25054 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
  UC1608294  Ribes malvaceum var. viridifolium Steve Boyd, Tim Ross 1992-5-5 7237 Riverside e portions Oak Flats (along the Bluewater Trail); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area 731 Comment
  POM229020  Ribes quercetorum P. A. Munz 1937-5-31 15120 Riverside At Anza Table [Anza Bench] near head of Coyote Canyon. 1067 Comment
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Dec 17 2011
  POM13459  Ribes roezlii P. A. Munz, I. M. Johnston 1922-5-19 5395 Riverside Keen Camp, San Jacinto Mountains. 1463 Comment
  RSA171333  Ribes roezlii J. D. Olmsted 1962-5-3 3500 Riverside San Jacinto Mts, Rnear top fo Thomas Mt. 1951 Comment
  RSA221055  Romneya coulteri E. W. Lathrop 1966-5-8 6430 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA680163  Rorippa curvipes var. truncata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8625 -B Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA789413  Rorippa curvisiliqua Naomi Fraga, Erin Tripp, Tom Kerrin-Torres, Michael Wall 2008-10-16 2614 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  UC130496  Rorippa curvisiliqua Charlotte M. Wilder 1907-7-15 943 Riverside shore of lake Hemet Valley; , shore of lake Comment
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Mar 25 2011
  UCR91722  Rorippa nasturtium-aquaticum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18112 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1100 Comment
  UCR199648  Rorippa palustris subsp. occidentalis Justin M. Wood 2008-7-16 38 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  RSA667028  Rorippa sphaerocarpa A. C. Sanders, Mitch Provance 1999-9-26 23096 Riverside Lake Hemet, north shore at FS day use area 1323 Comment
  RSA784735  Rumex Duncan S. Bell 2012-3-18 3202 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  RSA783814  Rumex acetosella John Olmsted 1958-6-15 174 Riverside San Jacinto River drainage area. Idyllwild School of Music and Arts. In pasture near Strawberry Creek. 1524 Comment
  UCR114965  Rumex crispus Fred M. Roberts 1992-4-25 4866 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  SD225084  Rumex pulcher G. Helmkamp 1996-5-24 1025 Riverside State Park System north of Turri Road and 1.5 mi east of South Bay Blvd. 93 Comment
  UC1178624  Rumex salicifolius var. salicifolius Peter Kamb 1948-10-31 1284 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  SBBG45005  Ruppia maritima L. C. Wheeler 1931-11-26 374 Riverside Salton Sea, 2 mi SE Salton Bench Mark Co -76 Comment
  UCR23460  Ruta chalepensis John C. Roos 1950-4-22 4749 Riverside In the pass between Reche Canyon and Pigeon Pass Road 457 Comment
  JEPS62509  Salazaria mexicana W. L. Jepson 12621 Riverside near Eagle Mts. Cottonwood Spr; Colorado Desert, , Cottonwood Spr 731 Comment
  RSA401569C  Salazaria mexicana Jack Rempel, Lester H. Cushman 1932-5-1 15210 Riverside 1 miles south of Morengo Valley. Comment
  RSA444572  Salix exigua Walter Wisura 1988-3-23 4216 Riverside 49 Palms oasis, Joshua Tree National Monument. Comment
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Aug 25 2013
  RSA613312  Salix exigua D. L. Banks 1997-3-1 1377 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  SBBG27490  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  POM361012  Salix gooddingii Philip A. Munz 1932-3-24 12032 Riverside North of Elsinore 305 Comment
  POM46946  Salix gooddingii Mary F. Spencer 1918-4-8 813 Riverside Palm Springs. 137 Comment
  SJSU179  Salix gooddingii C. B. Wolf 1932-4-28 3085 Riverside back of Colorado R c. 800 m from Stste Inspection Station on way to Blythe Bridge 91 Comment
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Mar 26 2011
  RSA92696  Salix gooddingii F. W. Peirson 1918-03 719 Riverside Near Mecca and the Salton Sea. Comment
  RSA233003  Salix laevigata D. A. Young 1969-3-21 P 417 Riverside 3 miles west of Elsinore, California on a dirt road north of Highway 71, 500 yards off the road. 244 Comment
  RSA613315  Salix laevigata D. L. Banks 1997-3-1 1380 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  RSA770441  Salix laevigata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4573 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD80103  Salix laevigata Nancy Ryan Zabriske, Walter Zabriske 1971-4-24 392 Riverside Deep Canyon, north slope Santa Rosa Mountains, along water service road 1317 Comment
  UCR270563  Salix laevigata John F. Emmel 1998-5-2 1542 Riverside San Jacinto Mtns., SW foothills, Bautista Canyon, 0.4-0.5 road mile SE of national forest boundary 723 Comment
  RSA495463  Salix lasiolepis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2992 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  SD229282  Salix lasiolepis Dick Schwenkmeyer 2012-3-26 674 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx Ao mile north of Highway 74, just east of Morris Ranch Road. 1356 Comment
  UCR21837  Salix lasiolepis 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
  CAS-BOT-BC128449  Salix lasiolepis var. lasiolepis W. H. Brewer 1861-1-1 154 Riverside In canyon near hannigan's Temiscal Range Comment
  UCR198266  Salsola australis B. Villegas 2002-8-19 239 -2 Riverside South Coast, Temecula, Hunter property, Via Vaquero at Gillespie Court Comment
  RSA413244  Salsola tragus James C. Dice, J. DeWald 1987-9-28 730 Riverside North side of Temecula Gorde, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. 330 Comment
  SDSU13633  Salsola tragus W. Miller with C. Mosse 1972-7-12 Riverside Northwest corner, west of woodland (west of R.C. Weather Station). Comment
  RSA470153  Saltugilia australis Ora M. Clark 1929-2-22 1584 Riverside E. of Whitewater, Colorado Desert. Comment
  RSA123825  Saltugilia splendens P. H. Raven, Richard Snow 1957-7-26 11119 Riverside San Jacinto Mountains: 2.0 miles S of Vista Grande Ranger Station, Banning-Idyllwild road. Comment
  UCLA55169  Salvia apiana var. compacta C. Epling and L. Haines 1937-5-7 Riverside 1 mi below Shumway Rd.; Palms to Pines Highway Comment
  RSA388499  Salvia carduacea Steve Boyd 1986-5-1 1818 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  RSA411370  Salvia carduacea Bonnie C. Templeton 1930-4-15 1482 Riverside Between Perris and Gavilan Peak. 500 Comment
  RSA543192  Salvia carduacea Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6112 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UC2029919  Salvia clevelandii Scott D. White, T. B. Salvato 2001-6-8 8581 Riverside SANTA ANA MOUNTAINS: Southern margin of county, just northeast of Rainbow Valley. Comment
  UCR62858  Salvia clevelandii Scott D. White 1990-6-14 s.n. Riverside Peninsular Range, Rainbow area: c. 1 mi (airline) SE of Temecula Canyon and 1 mi (airline) NW of Rainbow Valley. S boundary of property on the San Diego County line 427 Comment
  JEPS62650  Salvia columbariae W. L. Jepson 1939-4-17 19137 Riverside near Twin Springs (Temescal Canyon, n end); Temescal Canyon 274 Comment
  POM4121  Salvia columbariae M. Alice King 1893-1 s.n. Riverside Menifee. Comment
  POM48143  Salvia columbariae E. Schlinger 1920-04 s.n. Riverside Chuckwalla, Colorado Desert. Comment
  RSA33779  Salvia columbariae N. C. Cooper 1944-6-4 1349 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA651673  Salvia columbariae Toppenberg 1961-5-12 7 Riverside Beaumont side of Idyllwild. Comment
  SDSU7475  Salvia columbariae A. H. Gallup 1949-3-28 Riverside Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], in dry wash, east slope, San Jacinto Mt. Range, Colorado Desert drainage area Comment
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Jan 30 2013
  SFV4252  Salvia columbariae W. A. Emboden, Jr. 1962-4-26 2050 b Riverside Palms to Pines Highway. Comment
  UC1713566  Salvia columbariae Dr. D. P. Barrows before Aug., 1898 10 Riverside Cahuilla Indians Comment
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Sep 23 2009
  UCR113160  Salvia columbariae A. C. Sanders 1998-3-11 21660 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, looking down on San Jacinto Valley between ends of Warren Rd. and Sanderson Ave. 610 Comment
  SEINET6982128  Salvia columbariae W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  RSA0043027  Salvia greatae Duncan S. Bell, Loraine Washburn 2014-4-8 6577 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1.25 air miles north northeast of Clemens Well/Bradshaw Trail. 356 Comment
  POM98734  Salvia greatae M. Hill, M. Canby 1926-03 s.n. Riverside Wash east of Dos Palmos. Comment
  SEINET10836973 Image available Salvia greatae Harvey M. Hall 1905-4-22 Hall 5848 Riverside Near Dos Palmos Comment
  RSA8713  Salvia mellifera P. A. Munz 1920-4-11 3815 Riverside Santa Ana River Canyon. 305 Comment
  UCR90981  Salvia mellifera Scott D. White 1996-3-16 3823 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  UCR91728  Salvia mellifera A. C. Sanders, J. Goetzen 1996-5-1 18132 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  RSA0094096  Salvia pachyphylla Duncan S. Bell, Evan Meyer, Sonia Pena 2015-10-20 8722 Riverside Santa Rosa Mountains; approximately 0.75 air mile west of the summit of Santa Rosa Mountain. 2196 Comment
  RSA82997  Salvia pachyphylla Joseph A. Ewan 1930-8-31 2149 Riverside Trail out of Tahquitz Valley, San Jacinto Mts. 2652 Comment
  RSA739278  Salvinia minima Richard E. Riefner 2008-7-5 8 -214 Riverside Riverside County: Cathedral City, Perez road at Date Palm Dr. 82 Comment
  UC28631  Sambucus mexicana H. M. Hall 1901-6 2517 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  RSA691959  Sanicula arguta Scott D. White, Michael Honer 2003-4-9 8978 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  RSA614423  Sanicula crassicaulis D. L. Banks 1997-3-29 1556 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
  UCR29260  Sanicula tuberosa A. C. Sanders, K. Berg 1980-5-1 01358 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  SEINET206448  Sarcostemma hirtellum Rimo Bacigalupi, Roxana S. Ferris 1958-3-21 6253 Riverside Herbage exuding alliaceous odor. Twining about in a clump of Hilaria rigida in a small wash from the west slope ofthe Big Maria Mts. near the roas to Midland, about 13 miles north of Blythe, elev. 860 ft. 262 Comment
  UC1075574  Sarcostemma hirtellum P. C. Everett and E. K. Balls 1956-5-2 21558 Riverside 0.8 mi. n. of junction 60/70 along rd. to Eagle Mt. Pumping Station 365 Comment
  UCR52212  Sarcostemma hirtellum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2099 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA180270  Satureja chandleri E. W. Lathrop 1965-4-18 5654 Riverside 10 miles west of Murrieta. Comment
  UCR97678  Saxifraga californica A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19906 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  UCR245913  Schismus arabicus Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3946 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  RSA614179  Schismus barbatus D. L. Banks 1997-2-17 1280 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
  UCR113658  Schismus barbatus A. C. Sanders 1998-1-15 21630 Riverside Lake Skinner area, Black Mtn., along road up north side 884 Comment
  UCR56086  Schismus barbatus J. A. Adams 1966-3-12 440 Riverside Peninsular Range, Hwy 74, 5 mi east of Elsinore, toward Perris 503 Comment
  CAS-BOT-BC111540  Schoenoplectus americanus Samuel Bonsal Parish; W. F. Parish 1882-6-1 1060 Riverside Marshes, Temecula Valley Comment
  RSA192305  Scirpus acutus var. occidentalis Anonymous 1966-6-1 6365 Riverside Los Alamos Road, Tenaja Range. 14 miles NW of Murrieta. Comment
  SEINET238805  Scirpus acutus var. occidentalis Mitch Provance 2000-6-24 2073 Riverside Riverside: Santa Ana River Wash between the Market Street bridge and the 60 Freeway. 244 Comment
  CSUSB906  Scrophularia californica M. Quinlan 1974-5-25 Riverside Found in Riverside county on the bank of the Santa Ana River about 1 mile form the Riverside Municipal Airport in Riverside 266 Comment
  UCR263718  Scrophularia californica Mark A. Elvin, Tricia Wotipka 2002-4-30 1953 Riverside South Coast Floristic Ecoregion, Badlands east of Riverside, 5 km southwest of Beaumont, La Borde Canyon 793 Comment
  RSA504545  Scutellaria bolanderi subsp. austromontana Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, head of Cole canyon, NW of Mesa de Burro. Comment
  CAS-BOT-BC341098  Scutellaria mexicana Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  SD247449  Scutellaria mexicana A. C. Sanders, Jim Malusa 2015-9-10 41857 Riverside Sonoran (Colorado) Desert: Bradshay Trail, 0.85 mile SE of its junction with Summit Road in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 480 Comment
  UC1595563  Scutellaria tuberosa Steve Boyd, Orlando Mistretta 1991-5-22 6300 Riverside e of Dorland Mountain (base of Agua Tibia Mountain, w of Kolb Creek); Agua Tibia Mountain, Vail Lake area 548 Comment
  RSA684086  Selaginella bigelovii Robert Gustafson 1980-5-5 1569 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash 610 Comment
  SEINET2043064 Image available Selaginella bigelovii A. C. Sanders, O . F. Clarke, P. MacKay, S. White, C. L. Sanders 1994-11-27 15867 Riverside Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East fork. 268 Comment
  UC306716  Selaginella bigelovii I. M. Johnston 1918-4-3 1824 Riverside s end Juniper Flat; Lakeview Mts. 609 Comment
  SD82568  Selaginella watsonii Louis C. Wheeler 1931-10-3 Riverside San Jacinto Mountain, Tahquitz Peak 2620 Comment
  POM259681  Senecio californicus P. A. Munz 1940-3-22 15663 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  RSA613403  Senecio californicus D. L. Banks 1997-4-5 1688 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  UC63075  Senecio californicus H. M. Hall May 17 1901-Jun 1 1901 Riverside Coahuilla Valley Southern California, Coahuilla Valley Comment
  UCR136000  Senecio californicus 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
  HSC80292  Senecio flaccidus var. douglasii Steve Boyd 1985-8-7 1113 Riverside Santa Rosa Plateau Region. Clinton Kieth Rd., 1.7 mi. E of gate to The Nature Conservancy Preserve Comment
  UCR241644  Senecio flaccidus var. douglasii T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 362 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR261142  Senecio flaccidus var. douglasii A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41737 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 396 Comment
  JOTR16613  Senecio flaccidus var. monoensis Moore, Sue 1968-3-25 s.n. Riverside Joshua Tree National Park. 731 Comment
  JEPS27777  Senecio mohavensis Edmund C. Jaeger 1926-2-26 Riverside 25 mi se from Mecca; Canyon Springs Wash Comment
  RSA94663  Senecio mohavensis F. W. Peirson 1928-3-10 7707 Riverside Along rock walls of canyon at Hidden Springs, northeast of Mecca. Comment
  JOTR34185  Senecio vulgaris La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3235 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
  POM48547  Senecio vulgaris F. M. Reed 1925-3-1 4955 Riverside [?] 274 Comment
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Nov 12 2014
  UCR174120  Senecio vulgaris A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32607 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  JOTR32489  Senna armata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2270 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  RSA0107646  Senna artemisioides A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42000 Riverside Peninsular Range: along Hwy 79 c. 1 km east of Los Caballos Rd. and 1 km west of Pauba Rd. 401 Comment
  UC1529476  Sesbania herbacea A. C. Sanders 1985-8-24 5950 Riverside near Oasis (lower Coachella Valley, e side of Hwy 195, ca 0.5 mi n of intersection with Hwy 86, and just n of Ave 76); Coachella Valley -51 Comment
  UCD108488  Sesbania herbacea Malcolm A. Nobs; S. Galen Smith 1948-9-3 500 Riverside Citrus grove, 2 miles north of Indio. Comment
  UCR54042  Sesbania herbacea A. C. Sanders 1988-11-6 8736 Riverside Coachella Valley, W side of Hwy 86/Harrison St., 6.25 mi. south of junction with Hwy 111 in Coachella and 3.85 mi. north of Valerie Jean, 0.55 mi north of Ave. 60 -35 Comment
  RSA402668  Sesuvium verrucosum A. Menke 1955-4-27 s.n. Riverside 2 miles east of Blythe. Along irrigated ditch. Comment
  UCR169473  Sidalcea malviflora John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  SEINET7073334  Sidalcea malviflora subsp. californica A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  RSA33842  Sidalcea malviflora subsp. sparsifolia N. C. Cooper 1944-5-20 1240 Riverside Palms to Pines Highway. 1433 Comment
  SD51940  Sidalcea malviflora subsp. sparsifolia Reid Moran 1962-7-7 9867 Riverside Strawberry Creek, 2.0 miles southwest of Idyllwild, San Jacinto Mountains. 1550 Comment
  UCSB42253  Sidalcea neomexicana Roos, John 1966-5-19 Riverside 3 miles west of San Jacinto, San Jacinto Valley Comment
  UCSB40906  Sidotheca emarginata Zeigler, Louis 1964-7-10 Riverside Two miles northeast of Kenworthy Ranger Station Comment
  RSA561060  Silene antirrhina Steve Boyd, Timothy S. Ross, D. E. Bramlet 1993-5-12 7353 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  UCR174309  Silene gallica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32643 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UC1951108  Silene laciniata Scott D. White, Justin Wood 2009-5-22 12917 Riverside SAN JACINTO MOUNTAINS: Old Control Road, above Halfway Spring. USGS Blackburn Canyon 7.5' Quad. Comment
  RSA438890  Silene laciniata subsp. major Ann Grove 1971-8-5 5 Riverside Tenajaa Ranger Station area, Rancho California, 7 miles NW of Murrietta, SW Riverside Co. Comment
  CAS-BOT-BC389582  Silene parishii Carl B. Wolf 1932-8-5 3973 Riverside San Jacinto Mts. Slopes of San Jacinto Peak, 1/2-2/3 mile below summit on trail to Idyllwild 3048 Comment
  POM12909  Silene parishii var. viscida P. A. Munz 1922-6-28 5867 Riverside Peak west of Toro Peak 2470 Comment
  UCR20379  Silene verecunda subsp. platyota W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1768 Comment
  CAS-BOT-BC202944  Simmondsia chinensis W. R. Dudley 1903-12-25 s.n. Riverside Tahquitz Canon [Canyon], near Palm Springs Comment
  RSA232961  Simmondsia chinensis D. A. Young 1969-3-28 P- 300 Riverside On Interstate Hwy 10, 6 mi E of Desert Center, at rest stop; N side of hwy. 305 Comment
  RSA586945  Sisymbrium altissimum D. L. Banks, S. D. Boyd 1995-5-17 474 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail., In the drainage immediately E of the spring just inside the wilderness boundary in north-central, section 33. 707 Comment