Search Results — 2000 specimen records retrieved (1897 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA519127  Abies concolor F. C. Vasek 1977-11-25 771125 -11 Riverside San Jacinto Mountains, area around Cincos Posas Spring, below Black Mountain Look Out. Comment
  UC34  Abies concolor H. M. Hall 1901-8-1 2584 Riverside Tamarack Valley San Jacinto Mountains Comment
  UCR26356  Abies concolor A. C. Sanders, J. A. Harpel 1981-8-26 2336 Riverside Santa Rosa Mtns., Cedar Spring 2250 Comment
  NY341988  Abronia aurita S. B. Parish 1896-4-4 4138 Riverside Palm Springs (Agua Caliente) desert base of San Jacinto Mountain 152.4 Comment
  CAS-BOT-BC229313  Abronia villosa Mary F. Spencer 1919-6-17 1330 Riverside Fields near San Jacinto 304 Comment
  CAS-BOT-BC229353  Abronia villosa Marcus E. Jones 1925-9-7 s.n. Riverside Palm Spring [Springs] Comment
  CAS-BOT-BC229367  Abronia villosa J. H. Thomas 1949-2-28 48 Riverside Between Banning and Palm Springs Comment
  RSA611933  Abronia villosa A. N. Dunn, Ann Martin 1932-3-26 s.n. Riverside Coachella Comment
  RSA715177  Abronia villosa John Green 2005-3-3 s.n. Riverside Sonoran (Colorado) Desert: Salton Basin, E of Salton Sea, ca. 4 mi N of Niland; between siphons 10 and 11. [maps in Imperial County, but is near the Riverside Co. line] 15 Comment
  RSA461194  Abronia villosa var. aurita Gale Sphon 1955-5-15 s.n. Riverside 5 miles north of Cathedral City. Comment
  UCR12006  Abronia villosa var. aurita Coleta A. Lawler 1968-8-18 251 Riverside San Jacinto Mtns., Hwy 74, just south of junction with road leading to Lake Hemet 1311 Comment
  SD146226  Abutilon theophrasti A. C. Sanders, Mitch Provance 1999-9-26 23105 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. southeast of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring. 433 Comment
  UCR110387  Abutilon theophrasti A. C. Sanders, Mitch Provance 1999-9-26 23105 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA0094190  Acacia greggii Duncan S. Bell, Evan Meyer 2014-10-29 7682 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  UCR196369  Acacia greggii Naomi Fraga, Lisa Rojas 2005-2-10 1381 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  RSA414906  Acacia greggii var. arizonica L. C. Wheeler 1933-12-1 2285 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  UC729968  Acamptopappus sphaerocephalus var. sphaerocephalus Carl B. Wolf 1932-5-25 3681 Riverside on road to Snow Creek Canyon San Gorgonia Wash Comment
  UCR167983  Acer macrophyllum T. B. Salvato, John F. Green 2004-5-27 649 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
  POM12812  Achillea millefolium P. A. Munz 1922-6-24 5794 Riverside Pipe Creek, Hemet Valley 1463 Comment
Read comments
May 28 2011
  RSA771661  Achnatherum coronatum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4909 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  CAS-BOT-BC218032  Achnatherum latiglume Jason R. Swallen 1927-6-23 656 Riverside Idyllwild, San Jacinto Mountains Comment
  CAS-BOT-BC384724  Achyronychia cooperi Geo. B. Grant 1906-5-1 11 -6707 Riverside Collected on Colorado Desert at Palm Springs Comment
  CAS-BOT-BC384727  Achyronychia cooperi L. A. Greata 1905-4-1 403 Riverside Coachella Comment
  JOTR35356  Achyronychia cooperi Harding, Mitzi, M. Wheeler 2011-1-26 109 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, between NE Eagle Mountains and W Coxcomb Mountains along dirt road (STOP1) 267 Comment
  OBI26118  Achyronychia cooperi David J. Keil 1976-12-12 11919 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  RSA676287  Achyronychia cooperi Scott D. White 2001-4-11 8287 Riverside Sonoran Desert: Indio Hills foothills / Coachella Valley. Northern terminus f Rio Del Sol Road, about 2 miles north of Thousand Palms. 146 Comment
  UCR148338  Achyronychia cooperi John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR85253  Achyronychia cooperi A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16187 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  SD224961  Acmispon argophyllus G. K. Helmkamp 1998-4-3 3069 Riverside Whitewater River, bordering the N side of Hwy I-10; E side of the river. 395 Comment
  UCR112408  Acourtia microcephala A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23457 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  CAS-BOT-BC22563  Adenophyllum porophylloides H. M. Hall; Willis Linn Jepson 1901-5-17 1835 Riverside East base of San Jacinto Mountain 762 Comment
  JEPS20772  Adenophyllum porophylloides Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13234 Riverside gully ca 1/2 mi s, near Midland, along Rice to Blythe road Styx Comment
  HSC47358  Adenostoma fasciculatum Richard Spjut, C. E. Edson 1978-4-24 4951 Riverside Along Hwy. 71 between jct. of Hwy. 74 and Anza in San Jacinto Mtns. 1372 Comment
  JEPS44821 Image available Adenostoma sparsifolium W. L. Jepson 1903-8-6 2284 Riverside San Jacinto Mt., Chalk Hill 1371 Comment
  RSA79036  Adenostoma sparsifolium E. K. Balls, Percy C. Everett 1952-11-18 18254 Riverside 200 yards east of Santa Rosa summit. 1494 Comment
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Jun 30 2012
  SD229253  Adenostoma sparsifolium Dick Schwenkmeyer 2012-8-6 765 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  CAS-BOT-BC46155  Agoseris heterophylla H. M. Hall 1901-6-1 2038 Riverside San Jacinto Mountains, south side 1341 Comment
  RSA296133  Agrostis exarata B. A. Prigge 1980-8-5 3846 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UCD52436  Agrostis exarata August L. Hormay 1932-8-8 s.n. Riverside Tahquitz Valley. Comment
Read comments
Sep 8 2011
  UCR195136  Agrostis exarata A. C. Sanders, Tim Thomas 2008-8-1 35968 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, at stream crossing of trail SSE of Keenwild Fire Station 1402 Comment
  SEINET269466 Image available Agrostis viridis Scott D. White, Steve Ogg 1994-10-17 2496 Riverside Temecula Valley Riverside. City of Temecula Murrieta Ck Channel at confluence with Sta Gertrudis CK. USGS 7 1/2' Murr Comment
  RSA776248  Allionia incarnata Duncan S. Bell 2010-3-20 633 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA718574  Allionia incarnata Michael Honer, L. Hulse 2004-4-3 1893 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  RSA70222  Allium haematochiton F. W. Peirson 1921-3-19 2394 Riverside 4 miles west of Beaumont, on road to Redlands. Comment
  UCR64626  Allium munzii B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1477 Riverside Gavilan Hills, near Gavilan Peak, west of Perris 400 Comment
  CDA2749  Allium neapolitanum Joyce Davis 1962-3-27 Riverside 3957 6th Street, Riverside. 0 Comment
  UCR836  Allium peninsulare J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  POM193710  Allium peninsulare var. peninsulare F. W. Peirson 1933-4-15 10649 Riverside Whitewater River, 4.5 miles above the bridge. 701 Comment
  UCR16652  Allophyllum divaricatum Robert Eaton 1968-5-13 680513- 8 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado, Santa Rosa Road, 6 mi. from Washington Street in Murrieta 610 Comment
  UCR201633  Allophyllum divaricatum Scott D. White, Justin M. Wood 2008-6-18 12205 Riverside San Jacinto Mountains, hiking trail from K flat to Apple Canyon Road 1451 Comment
  VVC369  Allophyllum divaricatum A. C. Sanders, J. Mac 1997-5-4 20633 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
  RSA801955  Allophyllum glutinosum LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6154 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
  UCR263226  Allophyllum glutinosum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41465 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  SD229108  Alnus rhombifolia Dick Schwenkmeyer 2012-6-27 735 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UC729541  Alnus rhombifolia Carl B. Wolf 1932-5-24 3649 Riverside 1/2 mi below Fish Hatchey (n base of mts.); San Jacinto Mts., Snow Creek Canyon 548 Comment
  UCR196896  Alnus rhombifolia A. C. Sanders, D. L. Sanders 2008-9-27 36102 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  RSA90202  Alopecurus saccatus F. W. Peirson 1922-5-19 3021 Riverside 10 miles northeast of Murrieta. Comment
  UCR278834  Alternanthera caracasana Mitch Provance 2012-7-17 712- 11 Riverside San Gorgonio Pass, South Banning, adjacent to west side of Banning High School and the KOA on San Gorgonio Ave. 1134 Comment
  UCD97074  Amaranthus arenicola T. B. Salvato; A. C. Sanders 2000-4-27 60 Riverside Coachella Valley: between Filmore and Buchanan on Avenue 56. -37 Comment
  UCR120293  Amaranthus blitoides var. reverchonii Mitch Provance 1998-7-23 905 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  UCR271682  Amaranthus palmeri Mitch Provance 2011-7-4 17178 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  RSA289853  Ambrosia acanthicarpa B. A. Prigge 1980-9-16 4049 Riverside Indio. Coachella Valley Stormwater Channel. 0 Comment
  UCR92766  Ambrosia acanthicarpa F. M. Reed 1933-9-20 8087 Riverside San Jacinto Mtns, Garner Valley 1470 Comment
  RSA643281  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1970-9-24 s.n. Riverside Moreno Badlands: W of Beaumont, south side of Hwy 60, 2 miles W of Jackrabbit Trail 686 Comment
Read comments
Mar 21 2011
  UCR109524  Ambrosia confertiflora R. D. Goeden, Don W. Ricker 1970-9-24 s.n. Riverside Moreno Badlands, W of Beaumont, south side of Hwy 60, 2 miles west of Jackrabbit Trail 686 Comment
  UCR251771  Ambrosia confertiflora S. J. Myers 2014-7-2 s.n. Riverside Banning, SE of intersection of Westward Ave. and 8th St. Comment
  RSA676121  Ambrosia dumosa Scott D. White 2001-4-3 8250 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR251788  Ambrosia dumosa Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 986 Riverside Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  JOTR00920  Ambrosia dumosa Sipe, Frank 1958-3-13 223 Riverside Joshua Tree National Park. PORCUPINE WASH, PINTO BASIN Comment
  UCSB9148  Ambrosia psilostachya Ballard 1954-10-26 Riverside 3 miles south of Men's Reform School (Chino Institute), Chino 182 Comment
  UCR182437  Ambrosia pumila Mitch Provance 2005-5-17 6582 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
  SEINET2052885 Image available Ambrosia salsola John Adams 1966-3-12 457 Riverside Hwy 74 2 mi. above Palm Desert. 609 Comment
  UCR128294  Amelanchier utahensis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8635 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  SEINET238514  Ammannia coccinea A. C. Sanders, Mitch Provance 1999-9-26 23114 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi. S of Eden H 433 Comment
  UCR79469  Amorpha californica Steve Boyd, T. S. Ross 1992-5-15 7403 Riverside S Santa Ana Mtns, 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
  UCR200689  Amorpha fruticosa Steve Boyd, Aydee Virgen 2004-4-13 10849 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  RSA613407  Amsinckia intermedia D. L. Banks 1997-4-5 1684 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
  UCR225599  Amsinckia intermedia A. C. Sanders, T. B. Salvato 2011-3-28 38832 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  UCR234334  Amsinckia intermedia A. C. Sanders, John F. Green 2012-3-26 40000 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, mouth of a small canyon between Horsethief Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 369 Comment
  UCR241216  Amsinckia intermedia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 46 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 Comment
  UCR97027  Amsinckia intermedia Scott D. White 1997-2-28 4707 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  RSA0089610  Amsinckia intermedia P. A. Munz, R. D. Harwood 1920-2-28 3239 Riverside 3 mi SW of Corona. 305 Comment
  RSA0089611  Amsinckia intermedia P. A. Munz, R. D. Harwood 1920-2-28 3239 Riverside 3 mi SW of Corona. 305 Comment
  RSA192174  Amsinckia menziesii E. W. Lathrop 1966-4-13 6170 Riverside 3 miles NW of Murrieta Comment
  RSA0091430  Amsinckia tessellata B. A. Prigge 1978-3-23 2419 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads. 335 Comment
  UC878733  Amsonia tomentosa C. L. Hitchcock 1940-3-31 5882 Riverside 1/2 mi. below Cottonwood Spring Comment
  UCR114829  Anagallis arvensis Mitch Provance 1998-7-23 923 A Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  RSA543852  Ancistrocarphus filagineus Steve Boyd, Orlando Mistretta 1991-5-22 6312 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA502591  Anemopsis californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3727 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 457 Comment
  UCR208065  Anemopsis californica Michael Wall 2000-7-16 145 Riverside Peninsular Ranges; Perris-Aguanga Basin region, San Jacinto Valley: South side of Ramona Expressway, 0.5 mi. E of Sanderson Ave. in swale along agricultural field fence 457 Comment
  POM187412  Angelica tomentosa L. Crutcher 1933-8-2 10 Riverside Camp Tahquitz, San Jacinto Mountains. Comment
  RSA192075  Antirrhinum coulterianum E. W. Lathrop 1966-5-25 6340 Riverside 9 miles NW of Murrieta, Los Alamos Ranch Comment
  RSA698992  Antirrhinum coulterianum J. R. Bruff 1928-4-2 87 Riverside Whitewater. Comment
  SDSU10451  Antirrhinum coulterianum Charles F. Phleger 1962-5-12 Riverside Collected on Hwy 74, 5 miles E of Hemet. Comment
Read comments
Jul 8 2009
  RSA618164  Antirrhinum kelloggii D. L. Banks 1997-5-5 2021 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
  POM307295  Arabis holboellii var. retrofracta Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2157 Riverside Santa Rosa Mountains. Comment
  RSA160682  Arabis pulchra Marcus E. Jones 1929-3-9 s.n. Riverside Whitewater, Colorado Desert Comment
  POM184733  Arabis pulchra var. gracilis C. L. Hitchcock 1932-4-9 12229 Riverside Joshua Tree National Monument; White Tanks, eastern Riverside. Comment
  UCR90401  Arabis sparsiflora var. californica Steve Boyd, D. L. Banks 1995-3-30 8405 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; N flank of Agua Tibia Mtn, at W edge of the Dripping Springs alcove in tributary of Kolb Creek just east of old Woodchuck Truck Trail. 701 Comment
  SEINET3239809  Arceuthobium campylopodum R. L. Mathiasen 2009-1 2009 -69 Riverside Across street from Idylwild Ranger Station, Idylwild, CA. 1700 Comment
  RSA629452  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16811 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  SD180714  Arctostaphylos glandulosa C. Matt Guilliams 2007-8-2 406 Riverside Santa Margarita Ecological Reserve, along Highlands Trail at northern rim of mesa-top. 654 Comment
  RSA520945  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, D. E. Bramlet 1988-10-8 2869 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA629359  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1992-6-12 15544 Riverside Rd to Elsinore Pk., 1 km S of Elsinore Pk. Santa Ana Mtns. 950 Comment
  SDSU18355  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-6-28 380 Riverside North of city of Escondido, ca. 3 km northwest of Dixon Lake. In Daley Ranch along Rock Ridge Trail. 529 Comment
Read comments
Mar 2 2015
  RSA629445  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16587 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA631722  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19298 Riverside Highway 79, at Radec. 580 Comment
  RSA631798  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19571 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA701752  Arctostaphylos glauca Steve Boyd, Valerie Soza 2004-6-22 11554 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UCR139049  Arctostaphylos glauca D. L. Banks 1997-3-1 1346 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Pechanga Creek, east of the'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  RSA496736  Arctostaphylos glauca var. glauca Maureen Pendleton 1988-2-1 s.n. Riverside Ca. 2.5 mi. S of Temecula between I-215 and Rainbow Canyon Road. 412 Comment
  RSA633535  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20141 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633559  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21785 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633602  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16705 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633641  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20105 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633771  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21758 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA635594  Arctostaphylos peninsularis subsp. peninsularis Jon E. Keeley 1992-7-17 16764 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA635693  Arctostaphylos pringlei Jon E. Keeley 1994-4-27 25348 Riverside North side of Santa Rosa Mountain. 1900 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
  CAS-BOT-BC44363  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idylwild Comment
  CLARK-A1528-449  Arctostaphylos pringlei subsp. drupacea Kim Mortensen 1969-5-10 24 Riverside San Jacinto Mountains Comment
  RSA50292  Arctostaphylos pungens E. K. Balls 1949-5-4 13485 Riverside 0.5 mile south of Vista Grande Ranger Station, San Jacinto Mts. 1494 Comment
  UCR3219  Arctostaphylos pungens V. L. McFarland 1964-5-3 s.n. Riverside San Jacinto Mtns., by the side of Lake Fulmor, south of Banning [on Hwy 243] 'el. 7000 ft. 1646 Comment
  RSA635993  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21611 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  RSA636009  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19556 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636179  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19474 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
Read comments
Jun 8 2012
  LA212121  Arctostaphylos tomentosa Elliott Waite; 1950-4-30 s.n. Riverside Vandeventer Flats. 1523 Comment
  RSA0043044  Argemone munita Duncan S. Bell, Loraine Washburn 2014-4-8 6580 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
  UC9886  Argemone munita Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  UCR133358  Argemone munita Tracy Tennant, J. S. Ross 1998-4-30 MOR- 62 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, unnamed canyon running W to E between the southern portions of Hathaway and Potrero Canyons, c. 1.5 miles ENE of Banning Peak (VABM 3440) 854 Comment
  POM17817  Argemone munita subsp. robusta P. A. Munz, D. D. Keck 1923-6-14 7083 Riverside Glen Ivy Trail to Santiago Peak. 1494 Comment
  CAS-BOT-BC207123  Argythamnia lanceolata Lewis S. Rose 1959-1-8 59001 Riverside La Quinta 15 Comment
  CAS-BOT-BC137661  Aristida adscensionis George Helmkamp 1995-3-16 s.n. Riverside Colorado Desert. Below slopes of Coxcomb Mountains, west of Rice Road, 10.3 miles northeast of Desert Center. 198 Comment
  UC1930181  Aristida adscensionis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10504 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  UCD56427  Aristida adscensionis D. C. Finfrock 1951-5-10 s.n. Riverside 10 miles west of Blythe, Highway 60-70 at Black Rock. Comment
  UC1922709  Aristida adscensionis Michael Honer with L. Hulse 2004-4-3 1891 Riverside Colorado Desert; Little San Bernardino Mountains region: Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. Comment
  CAS-BOT-BC137598  Aristida californica var. californica Roxana Ferris; Ruth P. Rossbach 1938-5-15 9522 Riverside Pinto Basin 16 miles from Cottonwood Springs. Comment
  JOTR30070  Aristida californica var. californica La Doux, Tasha, Bill Truesdell 2006-10-3 1713 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  CLARK-A1528-4482  Aristida purpurea John C. Roos 1965-8-15 Riverside San Jacinto Valley Comment
  CAS-BOT-BC137530  Aristida purpurea var. nealleyi Peter H. Raven 1958-5-18 12986 Riverside Pinon Flats, San Jacinto Mountains. Comment
  UCR71031  Aristida purpurea var. parishii Chet McGaugh 1991-11-26 s.n. Riverside Peninsular Range; So. Santa Ana Mtns., Mesa de Colorado, Santa Rosa Plateau Nature Conservancy Preserve, south flank of the mesa on a south-facing slope 457 Comment
  UCD56525  Aristida purpurea var. wrightii A. A. Beetle 1942-4-22 3184 Riverside Rt. 60 near Desert Center. Comment
  UCR176585  Artemisia annua Eula F. Moore 1996-10-1 s.n. Riverside Riverside, weed at residence at 4291 Alta Vista Dr. 259 Comment
  RSA795117  Artemisia californica A. C. Sanders 2010-11-18 38692 Riverside 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. 399 Comment
  UCR67004  Artemisia douglasiana 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
  JOTR36398  Artemisia dracunculus La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3349 Riverside Joshua Tree National Park. Upper Covington Flat: Upper Covington Flats Parking area Comment
  POM13402  Artemisia ludoviciana subsp. ludoviciana E. C. Jaeger 1922-8-20 1011 Riverside Long Valley to Palm Springs Trail 1829 Comment
  SDSU12236  Arundo donax Tahirih Linz, M. G. Simpson 2000-4-1 5 Riverside 244 Comment
  SJSU11075  Asclepias albicans R. C. McGehee 1970-4-14 182 Riverside E base of Coxcomb Mts, end of road 2.3 mi W of its junction with Desert Center-Rice Rd Comment
  SJSU5188  Asclepias albicans L. M. Stotelmyre 1970-3-23 49 Riverside Coxcomb Mts, eastern Riverside County. Comment
  JEPS47800  Asclepias californica W. L. Jepson 1928-4-19 12426 Riverside 5 mi or more n Elsinore Comment
  POM3353  Asclepias californica P. A. Munz 1918-4-27 2151 Riverside Temescal Canyon Comment
  UCR158129  Asclepias californica A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30098 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA401680E  Asclepias eriocarpa M. B. Dunkle 1933-7-20 3639 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR141452  Asclepias eriocarpa June Latting 1980-5-20 s.n. Riverside Peninsular Range, Santa Ana Mountains, Skyline Drive in Tin Mine Canyon, south of Sierra Peak 671 Comment
  SEINET10779844  Asclepias subulata Mrs. B. L. Clary 1931-5-3 Clary 177 Riverside Box Canyon, Colorado Desert Comment
  SEINET10877281  Asclepias subulata Roxana S. Ferris, Rimo Bacigalupi 1932-4-30 Ferris 8247 Riverside In canyon between Shaver's Well and Mecca Comment
  RSA180254  Aspidotis californica E. W. Lathrop 1959-4-2 4425 a Riverside 18 miles west of Murrieta. Comment
  RSA228811  Aspidotis californica Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 617 Riverside Cleveland National Forest, ca. 8 mi. south of Lake Elsinore. . . off Forest Route 7S04. T7S, R5W, sec. 15. 487 Comment
  RSA740075  Aster ascendens Scott D. White, Justin M. Wood 2008-6-16 12138 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  RSA160569  Aster subspicatus J. D. Olmsted 1959-9-23 1017 Riverside San Jacinto River crossing by Lakeview Rd. from US 395 NW of Lakeview Mts 427 Comment
  RSA417656  Aster subulatus var. ligulatus L. C. Wheeler 1932-9-4 1335 Riverside Santa Ana River at Chino Creek 183 Comment
  UCR198167  Astragalus aridus Michael Honer, Dave Silverman 2005-3-18 2101 Riverside Sonoran (Colorado) Desert, Palen Valley, c. 3 mi due east of Desert Center Airport 134 Comment
  CLARK-A1703-1198  Astragalus coccineus Robin L. Kobaly 1977-3-31 Riverside Santa Rosa Mountains Comment
  SBBG94891  Astragalus crotalariae G. K. Helmkamp 1975-2-17 s.n. Riverside St Hwy 111 at Salt Crk, NE side of Salton Sea Comment
  UCR85568  Astragalus didymocarpus var. didymocarpus Julie A. Greene 1993-4-3 1119 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Weedy area by Fence Line Road gate. 441 Comment
  UCR132659  Astragalus douglasii Michael D. Wilcox 2001-6-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon 1280 Comment
  CAS-BOT-BC178453  Astragalus douglasii var. parishii H. M. Hall 1899-6-1 1158 Riverside Van de Venter's, San Jacinto Mountains 1371 Comment
  RSA741071  Astragalus douglasii var. parishii Scott D. White, Justin M. Wood 2008-6-5 12079 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UC314567  Astragalus douglasii var. parishii Marcus E. Jones, A. M. 1926-6-20 Riverside 12 mi n Idyllwild; n of Idyllwild Comment
  UCR58471  Astragalus gambelianus Jeri Hirshberg 1989-4-3 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., S of town of Murrieta, west of Mesa de Burro. 610 Comment
  UCR214865  Astragalus insularis var. harwoodii A. C. Sanders 2010-3-15 37394 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  CAS-BOT-BC187109  Astragalus lentiginosus var. borreganus Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater & Indio Comment
  UCD170768  Astragalus lentiginosus var. coachellae George K. Helmkamp 1994-3-8 41 -11 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. and Varner Rd, below Edom Hill. 200 Comment
  GMDRC5491  Astragalus lentiginosus var. fremontii J. Andre 2012-4-16 20938 Riverside Little San Bernardino Mountains: 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 Natl Park Loop Rd (paved). 990 Comment
  JOTR33736  Astragalus nuttallianus var. imperfectus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2732 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
  SEINET7063054  Astragalus nuttallii 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
  UCD105146  Astragalus oocarpus K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
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Nov 7 2014
  SD230229  Astragalus pachypus var. jaegeri Russell S. Woglum 1941-5-17 3053 Riverside Peninsular Ranges/Sonoran Desert Transition: Horse Canyon, off Coyote Canyon Comment
  CAS-BOT-BC194164  Astragalus palmeri P. A. Munz; D. Keck 1922-4-13 4935 a Riverside Eagle Mts., Colorado Desert Comment
  UCD105182  Astragalus palmeri Donald Myrick 1964-4-30 821 Riverside Pines to Palm Highway (Highway 74), 15 miles west of Palm Desert. 1219 Comment
  POM295496  Astragalus pomonensis Lyman Benson 1946-4-15 12013 Riverside 6 miles southeast of Redlands. Mt. Range: San Bernardino. 609 Comment
  RSA415658  Astragalus pomonensis N. C. Cooper 1944-5-21 1237 Riverside Hemet. 549 Comment
  RSA643334  Astragalus pomonensis R. D. Goeden, W. D. Ricker 1965-6-10 s.n. Riverside tributary of Temecula River, near Oak Mtn. 457 Comment
  UC1929603  Astragalus pomonensis Scott D. White 2001-3-13 8161 Riverside PERRIS / ELSINORE BASINS: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. Comment
  UC863053  Astragalus sabulonum Lewis S. Rose 1938-2-1 38011 Riverside 10 mi w Blythe (desert); w of Blythe 121 Comment
  POM12959  Athysanus pusillus P. A. Munz, I. M. Johnston 1922-5-21 5528 Riverside Hemet Valley, San Jacinto Mts. 1433 Comment
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Feb 18 2013
  RSA543778  Athysanus pusillus Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6025 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
  RSA418188  Atrichoseris platyphylla Anstruther Davidson 1922-03 3483 Riverside Mecca Comment
  SD45170  Atrichoseris platyphylla Helen K. Sharsmith 1952-4-8 4051 Riverside Pinto Mountains near Meek Mine and ca. 2.5 miles beyond Mission Well. 580 Comment
  POM278696  Atriplex canescens Grant D. Brown 1950-3-19 526 Riverside 4 miles NW of Gilman Hot Springs on hyway #79 Comment
  POM278727  Atriplex canescens Grant D. Brown 1950-12-2 590 Riverside About 1 mile up Mockingbird Canyon in Riverside city limits. 305 Comment
  CAS-BOT-BC170200  Atriplex canescens subsp. canescens K. Larson 1976-9-30 60062 B Riverside So. of Big Maria Mountains N. of Blythe Comment
  UCR123695  Atriplex coronata var. notatior D. E. Bramlet 2000-5-18 3053 Riverside 122 m west of the San Jacinto River and 2 km north of Nuevo Road, 229 m northwest of the end of 12th St. 431 Comment
  RSA532556  Atriplex coulteri D. E. Bramlet 1991-5-2 2112 Riverside 7.6 km west of Hemet and aome 1.4 km southwest of the intersection of Warren Rd. and Stetson Ave. The population is some 68 m suth of Stetson Ave. and some 320 m. west of the MWD canal., Plants are located approximatly 3m from an existing dirt channel. 500 Comment
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Feb 3 2015
  RSA799517  Atriplex elegans var. fasciculata Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4778 Riverside East side of Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.25 air miles east southeast of Priests Well. 211 Comment
  CAS-BOT-BC523903  Atriplex glauca D. E. Bramlet 2005-5-5 3847 Riverside Perris-Aguanga Basin Region: San Jacinto Valley, canal right-of-way north of Devonshire Ave. 457 Comment
  CLARK-A1528-2520  Atriplex hymenelytra John C. Roos 1947-2-1 3221 Riverside Painted Canyon Comment
  RSA65391  Atriplex hymenelytra F. W. Peirson 1930-3-29 8694 Riverside Painted Canyon, near Mecca, Colorado Desert. Comment
  SJSU1866  Atriplex hymenelytra R. L. Fisher 1957-4-20 Riverside near Indio Comment
  UCR129808  Atriplex hymenelytra Scott D. White 2001-5-4 8449 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, adjacent to I-10 Freeway, a few miles east of Indio 177 Comment
  CLARK-A1528-398  Atriplex lentiformis subsp. lentiformis Charlotte Stocks 1964-8-30 Riverside Coachella Valley Comment
  CAS-BOT-BC176760  Atriplex serenana var. serenana Steve Boyd 1985-8-7 1116 Riverside Murrieta area, Clinton [Kieth] Keith Rd., just east of the Bear Creek development [golfcourse] golf course Comment
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Feb 13 2019
  RSA0038512  Atriplex suberecta R. E. Riefner Jr. 2012-3-31 12 -64 Riverside city of Hemet, north of Florida Avenue and south of West Devonshire Avenue and east of Meyers Street 462 Comment
  GMDRC4943  Avena fatua J. Andre 2011-2-18 15820 Riverside Coachella Valley: north end of valley at base of Morongo Canyon, 0.5 mi. N. of Indian Cyn Rd, 1 mi. west of Hwy 62. 473 Comment
  UCR82243  Avena fatua J. M. Stewart 1994-5-2 863 Riverside Western Colorado Desert, Coachella Valley, Thermal, Tyler St. and Avenue 66 Comment
  RSA0123354  Ayenia compacta Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9050 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
  CLARK-A1528-1622  Baccharis emoryi John C. Roos 1937-9-12 Riverside Santa Ana River Comment
  LA210512  Baccharis emoryi Louis C. Wheeler; 1933-12-12 2316 Riverside US 99, 2 mi. NW Whitewater Station 365 Comment
  RSA502922  Baccharis emoryi Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  JOTR36418  Baccharis salicifolia subsp. salicifolia La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3364 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  UC893660  Baccharis salicifolia subsp. salicifolia Carl B. Wolf 1932-10-11 4274 Riverside 3/10 mi below, Morongo Wash, Little San Bernardino Mts. Colorado Desert San Bernardino County line; Colorado Desert, Little San Bernardino Mts., Morongo Wash 670 Comment
  HSC84128  Baccharis salicina B. Pitzer, D. Hawks 1986-12-2 363 Riverside Temescal Canyon, ca. 1 mile N of Glen Ivy Hot Springs and 0.5 mile W of Hwy. I-15, off Lawson Drive between Temescal Canyon Rd. and Warm Springs Rd. 335 Comment
  CAS-BOT-BC99870  Baccharis sergiloides G. B. Grant 1906-5-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  RSA5436  Baccharis sergiloides C. B. Wolf 1932-10-13 4311 Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  RSA696790  Baccharis sergiloides J. Russell Bruff 1927-11-16 34 Riverside Cottonwood Springs. Comment
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Jul 7 2012
  UC1303134  Baccharis sergiloides Carl B. Wolf 1932-10-12 4298 Riverside Pinyon Wells Little San Bernardino Mts., Conchilla Mts. 1219 Comment
  UC893734  Baccharis sergiloides Carl B. Wolf 1932-10-13 4311 Riverside Cottonwood Springs Colorado Desert, Eagle Mts. 289 Comment
  SD224826  Bahia absinthifolia Daryl Koutnik 1996-7-19 Riverside Riverside: Univ. of CA, Riverside, UCR Botanical Garden. 853 Comment
  RSA689505  Bahiopsis laciniata Scott D. White, Michael Honer 2003-5-27 9419 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
  CAS-BOT-BC295894  Bahiopsis parishii Marcus E. Jones 1930-3-15 s.n. Riverside Eagle Mountains, Northern Colo. Desert Comment
  CAS-BOT-BC295897  Bahiopsis parishii 1905-4-1 5877 Riverside Col. Desert Comment
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Sep 3 2017
  SJSU1903  Bahiopsis parishii J. W. Tilden 1957-4-18 1098 Riverside in near vicinity of Whitewater E of San Gorgonio Pass Comment
  UCR244318  Bahiopsis parishii Jim Andre 2012-4-16 20893 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  CLARK-A1656-656  Baileya pauciradiata Lois Ann Scott 1978-2-3 Riverside Indio Hills 609 Comment
  SBBG65724  Baileya pauciradiata L. Rowntree 1930-5-8 Riverside cyn S of Deep Cyn Comment
  SD5792  Baileya pleniradiata Frances Keys 1929-6-28 Riverside Palm Springs; Desert Queen Ranch. Comment
  POM350771  Bebbia juncea Robert Gustafson 1980-5-5 1574 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  RSA655089  Bebbia juncea Scott D. White 2000-4-17 7654 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  RSA696871  Bebbia juncea J. Russell Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
  JEPS19303  Bebbia juncea var. aspera W. L. Jepson 1901-5-22 1410 Riverside Palm Canon San Jacinto Mts. Comment
  JEPS20769  Bebbia juncea var. aspera Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13263 Riverside divide betw. Little Maria and Big Maria Mts., .5 mi s of Styx siding near Midland Comment
  CLARK-A1528-1345  Berberis nevinii John C. Roos 1949-7-12 3564 Riverside San Timoteo Canyon 457 Comment
  JEPS5610  Bergia texana Samuel B. Parish Nov 1891 Riverside Near Elsinore Comment
  UC2015577  Bernardia incana A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16177 Riverside Coachella Valley/San Jacinto Mtns. foothills: Chino Canyon near the Palm Springs tram station. Comment
  UCR135738  Bernardia myricifolia Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9008 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  UCR35101  Bernardia myricifolia L. B. Ziegler 1967-9-28 254 Riverside San Jacinto Mountains, Pinyon Flats 1250 Comment
  JEPS53176  Boechera californica Carl V. Meyer Jun 1927 169 Riverside Idyllwild-Keen Camp Road San Jacinto Mts. 1524 Comment
  RSA482668  Boechera californica T. H. Holmes 1932-3-27 s.n. Riverside Millard Canyon Comment
  LA90280  Boechera parishii Arnold Menke; 1955-4-28 sn Riverside Hemet Valley, S side of road Comment
  JEPS53108  Boechera perennans W. L. Jepson 1901-5-25 1454 Riverside Coyote Canyon Santa Rosa mts. Comment
  CAS-BOT-BC25657  Boechera pulchra Annie M. Alexander; Louise Kellogg 1941-5-3 2105 Riverside San Bernardino and Riverside Counties. Joshua Tree National Monument. 13 miles southwest of 29 Palms. 1371 Comment
  RSA69608  Boerhavia coccinea F. W. Peirson 1922-12-28 5218 Riverside Andreas Canyon, east base of San Jacinto Mts. 244 Comment
  SEINET7048152  Boerhavia coccinea Steven R. Hill 2001-5-3 33653 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  SBBG93063  Boerhavia intermedia A. C. Sanders 1989-9-19 9511 Riverside 1.75 km (airline) S of Tabaseca Tank, along the wash above "Tabaseca Target"; Chocolate Mtns Aerial Gunnery Range, 680 Comment
  CLARK-A1528-3269  Boerhavia torreyana John C. Roos 1946-11-29 3178 Riverside Hayfield Comment
  UCR260950  Boerhavia triquetra Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6023 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well 107 Comment
  JOTR32409  Boerhavia triquetra var. intermedia Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 2 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  RSA0062787  Boerhavia wrightii Duncan S. Bell, Evan Meyer 2014-10-22 7653 A Riverside Orocopia Mountains; southwestern section of range; collecting in an unnamed canyon to the southeast of Orocopia Canyon; about 3.6 air miles north northeast of Dos Palmas. 404 Comment
  SBBG93086  Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Tabaseca Tank, in the extreme northern end of the Chocolate Mtns; Chocolate Mtns Aerial Gunnery Range 610 Comment
  SD129261  Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains. 609 Comment
  UC1930178  Boerhavia wrightii Michael Denslow 2003-9-14 1569 Riverside Colorado Desert; Western Colorado Desert region: Maniobra Valley, Chiraco Summit Road off I-10. Comment
  RSA129300  Bothriochloa barbinodis A. Lewis 1934-04 375 Riverside Tin Mine Canyon. 457 Comment
  SD152998  Bothriochloa barbinodis Steve Boyd, Tim Ross 1992-2-26 6697 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness, from Fisherman's camp downstream to confluence with Bluewater Canyon 1000 Comment
  RSA0107463  Bouteloua aristidoides Duncan S. Bell 2011-9-30 2939 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
  RSA683917  Bouteloua aristidoides var. aristidoides Michael Denslow 2003-9-13 1545 Riverside Shavers Valley; I-10 at Mecca Exit, Box Springs Road. (Cottonwood Spring Quad) 470 Comment
  RSA781411  Bouteloua barbata Duncan S. Bell 2011-10-22 2991 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
  RSA784745  Bouteloua barbata Duncan S. Bell 2012-2-12 3089 B Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UC1537149  Bowlesia incana Gordon H. True Jr. 1935-4-9 226 Riverside Box Springs 365 Comment
  UCR241677  Brachypodium distachyon O. F. Clarke 2010-5-4 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  HSC27843  Brandegea bigelovii R. W. Spjut 1973-4-10 3297 Riverside N base of the Chuckawalla Mtn. ca. 3-4 mi. directly S of Desert Center 305 Comment
  POM46822  Brandegea bigelovii Mary F. Spencer 1920-4-11 1445 Riverside Palm Springs. Comment
  UCR187486  Brassica geniculata Diane Menuz 2006-6-21 178 Riverside Peninsular Range; Santa Ana Mtns, Santa Rosa Plateau, at intersection of Tenaja Truck Rd. and Ranch Rd. 541 Comment
  UCR241803  Brassica tournefortii A. C. Sanders, Ann Howald 2013-2-28 40554 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 2.2 miles west of Hwy 78, 9.2 km SW (245 deg. ) of Ripley 96 Comment
  UC86103  Brickellia californica J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  CLARK-A1528-5453  Brickellia desertorum John C. Roos 1950-9-9 4986 Riverside Riverside 396 Comment
  POM256979  Brickellia desertorum C. B. Wolf 1931-10-14 1330 Riverside Snow Creek 1/2 mi. below the Fish Hatchery N base of San Jacinto Mountains. 549 Comment
  OBI38270  Brickellia incana David J. Keil 1985-8-30 18951 Riverside Along road through Joshua Tree Natl Monument, 5 mi N of I-1 Comment
  UCSB30515  Briza minor Schroeder, Gail 1976-5-17 Riverside W side of Rancho Mirage Elementary School, in area of drainage from faucet on wall; Rancho Mirage Comment
  POM11651  Brodiaea filifolia Philip A. Munz, I. M. Johnston 1922-5-19 5412 Riverside 1 mi E of Perris Comment
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Jul 6 2009
  RSA736003  Brodiaea filifolia Scott D. White, Justin M. Wood 2008-6-26 12291 Riverside I-215 just N of San Jacinto River crossing. 431 Comment
  SBBG94911  Brodiaea filifolia B. Gaut 1989-5-7 Riverside Santa Rosa Plateau, 5 mi W of Hwy 215 on Clinton Keith Rd in Temescal Valley 609 Comment
  SEINET7063429  Brodiaea filifolia A. G. Vestal 1947-1 Riverside Comment
  CAS-BOT-BC149438  Bromus berteroanus Peter H. Raven 1958-5-5 12882 Riverside Jumbos Rocks Camp Ground, Joshua Tree National Monument. Comment
  SD247282  Bromus berteroanus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41451 Riverside San Gorgonio Pass: San Gorbonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms (White Water 7.5'Q) 433 Comment
  UCR88229  Bromus catharticus A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16073 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  UCR37469  Bromus diandrus Steve Boyd 1981-4-6 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mtn. summit 823 Comment
  RSA314626  Bromus diandrus R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55424 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA495792  Bromus diandrus subsp. triangularis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2899 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  RSA595314  Bromus hordeaceus D. L. Banks, Victor Steinmann 1996-4-20 886 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony;, approximately 100 m S from its junction with Hwy. 79. Area just north of Sec.19. 484 Comment
  UCSB9690  Bromus madritensis subsp. rubens Van Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon, 3 mi from US 60 Comment
  UCR24949  Bromus marginatus A. C. Sanders 1980-7-18 1655 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR233071  Bromus rubens Edith B. Allen 2012-1-28 112- 01 Riverside Riverside, western foot of the Box Springs Mtns. on east edge of town, Islander Park, north of the east end of Big Springs Rd. 353 Comment
  UCR49225  Bromus rubens Steve Boyd 1986-4-2 1604 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA651757  Bromus rubens N. R. Zabriskie 1973-4-6 633 Riverside This opposite juncture of North Canyon, stream area, Andreas Canyon, east slope San Jacinto Mtns. 365 Comment
  SEINET269549 Image available Bromus tectorum Scott D. White 1996-4-14 3911 Riverside East of Hemet: San Jacinto River Wash near Valle Vista north of highway 74 about 1.7 miles west of USFS Cranston Fire 533 Comment
  SEINET6196154 Image available Bromus tectorum Orlando Mistretta, D. Bell, J. Beckman, J. England, K. Kane, J. Hall, C. McDonald, L. Reccia, L. Rodriguez, A. Sall, T. Tennant. 2010-4-12 4429 Riverside San Bernardino Mountains region,Transverse Ranges: Whitewater Canyon, Along Whitewater River Drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 488 Comment
  UCR228917  Bromus tectorum A. C. Sanders 2011-4-6 39002 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
  SEINET10901257  Bromus tectorum Victor Duran 1932-5-18 Duran 3218 Riverside Idyllwild, San Jacinto Mountains. Very plentiful in this range in meadows and sheltered places in canyons. 1676 Comment
  RSA0121413  Bursera microphylla Duncan S. Bell, LeRoy Gross 2016-3-31 9185 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  HSC49576  Caesalpinia virgata D. L. Goforth 1979-4-11 112 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  RSA405293  Caesalpinia virgata Christopher Davidson 1979-4-4 7691 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  UCR25957  Caesalpinia virgata John C. Roos 1947-3-15 3353 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains, mouth of Deep Canyon at foot of mtns. 366 Comment
  RSA466553  Calandrinia ciliata Jeannette B. Edge 1934-3-18 s.n. Riverside [San] Timoteo Canyon. 518 Comment
  NY409594  Callitriche marginata R. F. Thorne 1969-5-12 37926 Riverside Santa Rosa Plateau: large vernal marsh on S end of Mesa de Colorado, Rancho California 624.8 Comment
  RSA618416  Calocedrus decurrens D. L. Banks 1997-5-5 1960 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, approximately 60 m east of its intersection with Pechanga Creek 396 Comment
  RSA748158  Calocedrus decurrens K. M. Meyer, A. Townesmith, T. Scott 2007-3-16 16 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 miles S on Hwy 243 (off I-10). 1632 Comment
  SD82892  Calocedrus decurrens Larry E. De Buhr 1972-2-25 500 Riverside Santa Rosa Mountains, along forest Road 7S02 above Cedar Springs 2345 Comment
  UC813614  Calocedrus decurrens Carl Epling 1931-10-3 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1524 Comment
  POM15216  Calochortus concolor Mary F. Spencer 1922-6-16 2036 Riverside Idyllwild, San Jacinto Mountains. 793 Comment
  POM12709  Calochortus invenustus Philip A. Munz 1922-6-27 5856 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  UCR20921  Calochortus invenustus A. C. Sanders 1978-7-3 s.n. Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  JEPS61706  Calochortus palmeri W. L. Jepson 1901-5-27 1462 Riverside Van Deventer's Ranch San Jacinto Range Comment
  UCR293  Calochortus plummerae Eugene Cardiff 1950-6-6 s.n. Riverside San Bernardino Valley region, Jurupa Hills 366 Comment
  RSA377463  Calochortus splendens N. C. Cooper 1949-6-29 4326 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA516757  Calochortus splendens Ed LaRue 1989-4-25 s.n. Riverside 2 miles (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA524581  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth, J. Bonilla 1990-4-3 4129 Riverside Vail Lake area, upper benches and adjacent slopes of E flank of Big Oak Mountain, S of E summit. 610 Comment
  UCR183010  Calochortus splendens Mitch Provance 2003-5-5 4427 B Riverside San Berardino Valley, Norco, SW slopes of the La Sierra Hills, +- 0.9 mi. WNW of Mt. Grape (peak 1064) 244 Comment
  RSA263764  Calycadenia tenella E. W. Lathrop 1968-6-2 6952 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA525319  Calycadenia tenella Steve Boyd 1990-4-29 4473 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  POM311104  Calycoseris parryi H. K. Sharsmith 1952-4-10 4060 Riverside Smoke Tree Wash, ca 5 mi. NE of Cottonwood Spirngs, Joshua Tree National Monument 854 Comment
  RSA472429  Calycoseris wrightii M. B. Dunkle 1932-3-26 2948 Riverside 4 miles south [east] of Banning Comment
  RSA554368  Calycoseris wrightii Theo Glenn 1992-3-31 92 -14 Riverside N side Eagle Mts, Storm Jade Mine. Comment
  SBBG104076  Calycoseris wrightii A. C. Sanders, E. J. Lawlor 1992-4-4 12114 Riverside within 0.5 mi of McCoy Spring 243 Comment
  JOTR33983  Calyptridium monandrum La Doux, Tasha, M. Harding 2010-4-7 2871 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
  SD124513  Calyptridium monandrum J. Sauer, Hart Walter 1980-5-17 6095 Riverside San Jacinto Mountains; near Lake Fulmor. Comment
  SD38093  Calyptridium monandrum Edith A. Purer 1935-4-21 6477 Riverside Near Palm Springs, Colorado Desert Comment
  UCR20950  Calyptridium monandrum A. C. Sanders 1978-7-1 569 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  SEINET9098077  Calyptridium monandrum H. M. Hall 1904-5-16 4944 Riverside Riverside, Fairmount Park. 244 Comment
  RSA0089417  Calyptridium monospermum Michael G. Simpson, Jamie Hall, Michael Silveira, Lori Simpson 2007-6-16 2896 Riverside Little Taquitz Valley, San Jacinto Mountain, along trail, ca. 0.1 mi north of junction with Pacific Coast[Crest] Trail, ca. 0.9 mi northeast of Tahquitz Peak. 2454 Comment
  SEINET215201  Calystegia J. C. Lee 1966-4-9 24 Riverside Highway 74, Elsinore. 305 Comment
  UCR172717  Calystegia macrostegia Jun Hu 2000-5-11 18 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  UCR21973  Calystegia macrostegia Steve Boyd 1980-5-5 199 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCD126084  Calystegia macrostegia subsp. arida C. L. Hitchcock; C. V. Muhlick 1962-3-16 22155 Riverside Temescal Canyon, ca. 12 miles southeast of Corona. Comment
  UC1123622  Calystegia macrostegia subsp. tenuifolia R. St. John 1931-1-29 179 Riverside Elsinore , Plot 52 (Plot 52) Comment
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Nov 25 2010
  UCR162765  Camissonia bistorta S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR172246  Camissonia bistorta 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
  UCR234253  Camissonia bistorta A. C. Sanders 2012-4-12 40022 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 314 Comment
  SEINET10389808  Camissonia brevipes A. C. Sanders, Jim Malusa 2015-3-11 41399 Riverside 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
  POM13036  Camissonia brevipes subsp. brevipes P. A. Munz, D. Keck 1922-4-9 4892 Riverside Palm Springs. 457 Comment
  UCR174119  Camissonia californica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32608 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
  POM3108  Camissonia campestris subsp. campestris C. F. Baker 1904-4-5 s.n. Riverside Hemet Comment
  RSA454737  Camissonia cardiophylla M. B. Dunkle 1933-3-4 3048 Riverside Painted Canyon. Colorado Desert. 30 Comment
  RSA651689  Camissonia cardiophylla Viki Cruz 1983-5-8 013 *k Riverside Collected at the end of a one mile dirt road off Indian Trail Road at the base of Magnesia Canyon, Santa Rosa Mts. Comment
  HSC94215  Camissonia cheiranthifolia D. Atwood 1993-3-27 17699 Riverside Corona Del Mar State Park along Newport Coast Drive 0 Comment
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Jul 14 2012
  HSC66564  Camissonia claviformis Christopher Davidson, H. Surprenant, A. P. Romspert 1979-4-29 7817 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  RSA645610  Camissonia confusa Scott D. White, Steve Ogg 1994-4-21 2011 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  UCR58881  Camissonia hirtella Ed LaRue 1989-5-4 s.n. Riverside 2 mi NW of Lake Elsinore, adjacent to Cleveland National Forest; at McVicker Canyon. 488 Comment
  RSA543787  Camissonia ignota Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6044 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  UCR120965  Camissonia ignota A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23883 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR79240  Camissonia ignota Steve Boyd 1992-4-15 6865 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness: Bluewater Canyon along Bluewater Trail, downstream to the confluence with San Mateo Creek 488 Comment
  RSA655044  Camissonia intermedia Scott D. White 1999-6-6 7443 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  RSA339671  Camissonia pallida subsp. hallii Robert F. Thorne, C. W. Tilforth 1980-5-28 54222 Riverside San Bernardino Mountains: rocky and sandy wash along Whitewater River, ca. 3.2 miles N of Whitewater PO and Highway 10. Comment
  RSA698245  Camissonia pallida subsp. hallii J. R. Bruff 1928-4-2 84 Riverside Whitewater. Comment
  POM184045  Camissonia pallida subsp. pallida P. A. Munz 1932-3-14 12003 Riverside Palm Springs. 91 Comment
  RSA458837  Camissonia pallida subsp. pallida N. R. Zabriskie 1973-4-5 621 Riverside Mesa S side Andreas stream, Andreas Canyon, E slope San Jacinto Mtns. 305 Comment
  RSA186535  Camissonia refracta Peter H. Raven 1958-2-15 115777 Riverside In a sandy wash, Corn Springs, Chuckwalla Mountains. Comment
  RSA449047  Camissonia refracta E. C. Jaeger 1922-3-26 s.n. Riverside Box Canon near Mecca, Cal. Colorado Desert. Comment
  RSA692197  Camissonia refracta Scott D. White, Michael Honer 2003-5-14 9296 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA782087  Camissonia refracta Duncan S. Bell 2009-3-7 4 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  RSA613650  Camissonia strigulosa D. L. Banks, Victor W. Steinmann 1997-3-13 1469 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
  UCR152525  Camissonia strigulosa A. C. Sanders 2005-4-22 29613 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UC1602314  Camissonia strigulosa Alderson 463 Riverside Comment
  SD134430  Camissoniopsis confusa Craig Reiser 1991-5-27 Riverside Palms to Pines Highway near Santa Rosa Peak turnoff Comment
  RSA757755  Camissoniopsis pallida subsp. pallida LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4314 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCSB10563  Camissoniopsis pallida subsp. pallida Lloyd, Robert 1960-3-23 Riverside One mile from U.S. HiWay 99 on road (St. 111) to Palm Springs, San Jacinto Mt. Range 396 Comment
  RSA612510  Capsella bursa-pastoris D. L. Banks, Joe Moreno 1997-2-5 1264 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
  UCR114337  Carduus pycnocephalus Mitch Provance 2000-5-5 2015 Riverside Riverside, Box Springs Mtns., canyon c. 0.5 mi. NE of peak 2553 and c. 0.5 mi. SW of the old landfill off Pigeon Pass Rd. 488 Comment
  RSA495446  Carex Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2974 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  CAS-BOT-BC412825  Carex barbarae R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49554 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  CAS-BOT-BC20600  Carex douglasii Philip Alexander Munz 1938-8-13 15331 Riverside Santa Rosa Peak. 2316 Comment
  POM259192  Carex douglasii Phillip A. Munz 1938-8-13 15331 Riverside Santa Rosa Peak. 2317 Comment
  RSA697513  Carex fracta J. Russell Bruff 1934-7-7 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC31692  Carex mariposana H. M. Hall 1901-7-1 2416 Riverside San Jacinto Mountains, among rocks near the Summit 3291 Comment
  UC2030129  Carex nebrascensis Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38142 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Woods above James Reserve. Comment
  RSA364682  Carex praegracilis H. de Forest s.n. Riverside E of Coachella Valley. Chino Canyon. Colorado Desert Comment
  RSA522270  Carex praegracilis Steve Boyd, David E. Bramlet, Harry Spilman 1989-4-30 3516 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  UC834496  Carex praegracilis P. A. Munz 1922-7-4 5971 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  RSA450156  Castilleja affinis J. C. Roos 1966-4-5 s.n. Riverside Winchester Comment
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Mar 20 2011
  UCR116399  Castilleja affinis S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon near Tripp Flats Rd. 1183 Comment
  UCR213468  Castilleja affinis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37836 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  SDSU14070  Castilleja affinis subsp. affinis Bismarck Magtoto 2002-4-20 9 Riverside Found along entrance of Loop Trail of Santa Margarita Ecological Reserve. 335 Comment
  SD63729  Castilleja applegatei Peta Mudie 1965-7-5 502 Riverside Southwest slope, north side of Santa Rosa Mtn., above Nat. Forest Campground Comment
  RSA6018  Castilleja applegatei subsp. martinii Carl B. Wolf 1932-8-5 3935 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  UCR236903  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-10 980 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
  UCR97677  Castilleja exserta A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19903 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  SEINET7042770  Castilleja exserta W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  JEPS32879  Castilleja foliolosa Lloy Thurman 1963-12-15 Riverside 3.6 mi n Whitewater (lower end of Whitewater Canyon); Whitewater Canyon Comment
  UCR241654  Castilleja foliolosa T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 358 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  CAS-BOT-BC38297  Caulanthus cooperi Annie M. Alexander; Louise Kellogg 1941-5-19 2202 Riverside Eagle Mountains. 1.5 miles north of Cottonwood Spring. 975 Comment
  JOTR35488  Caulanthus hallii La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3176 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  CAS-BOT-BC41139  Caulanthus heterophyllus D. E. Bramlet 1991-5-14 2150 Riverside Perris-Aguanga basin region. North Domenigoni Hills, ca. 0.5 mile southeast of end of Warren Road. 655 Comment
  RSA586145  Caulanthus heterophyllus D. L. Banks, S. D. Boyd 1995-3-16 107 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 610 Comment
  SD136149  Ceanothus crassifolius Kirsten Winter 1993-3-1 Riverside West of Vail Lake. Occasional hybrids in and near stand of C. ophiochilus (IPB 5/06) 609 Comment
  UC1071025  Ceanothus crassifolius A. Lewis 1934-3-4 310 Riverside Tin Mine Canyon Corona quad, Cleveland Nat. For. 670 Comment
  UC527223  Ceanothus greggii var. perplexans C. B. Wolf 1931-5-11 Riverside above Hemet Valley (near Pipe Creek.); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  POM48899  Ceanothus leucodermis P. A. Munz, I. M. Johnston 1924-7-29 8856 Riverside 7 mi SE of Poppet Flat, San Jacinto Mts. 1524 Comment
  SEINET5543273  Ceanothus leucodermis R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians, SW 25d slope. 1524 Comment
  UCSB54149  Ceanothus leucodermis Brownell, Kathleen 1980-5-16 Riverside 2 mi. west of Lakeland Village on Hwy. 74; Santa Ana Mtns. Comment
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Nov 27 2014
  RSA779957  Ceanothus ophiochilus Dylan O. Burge 2007-3-20 798 -c Riverside Agua Tibia Area Cleveland National Forest .66 road miles (1.05 km) from Woodchuchk Road on an abandoned fire road accessed via Woodchuck parking 0.93 road miles (1.49 km) from Hwy 79 site is 12.7 km 274 degrees (True) WNW of Aguanga 660 Comment
  UCR79354  Ceanothus ophiochilus Steve Boyd, K. Berg, Sandy Morey, Jon E. Keeley 1992-5-3 7169 A Riverside Peninsular Range, Vail Lake area: ridge about 1 mi. west of lake, east of 'Little' Oak Mt. 610 Comment
  SD229241  Ceanothus palmeri Dick Schwenkmeyer 2012-6-27 760 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  UCR138758  Ceanothus palmeri Scott D. White 1997-5-18 5176 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  UCR16494  Ceanothus palmeri J. Hollinger 1972-5-13 720513- 6 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild Comment
  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
  CAS-BOT-BC51927  Ceanothus perplexans H. M. Hall 1901-6-1 2156 Riverside Eastern base, along the borders of the Colorado Desert Comment
  UCR4118  Ceanothus perplexans Ronald M. Cope 1965-3-20 s.n. Riverside Peninsular Range; San Jacinto Mtns., in valley on road from Idyllwild to Banning, 5 mi below Lake Fulmor 1296 Comment
  RSA14152  Celtis reticulata R. C. Bacigalupi 1935-6-27 2358 Riverside 1/4 mi. up small canyon at head of 16th St., Banning. Comment
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Mar 13 2011
  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
  RSA500128  Centaurium venustum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3683 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UCR217565  Centromadia pungens subsp. laevis Jeff B. Galvin 2008-5-23 49 Riverside Gavilan Plateau, Harford Springs County Park. 800 m east of Gavilan Road, near dirt trail 600 Comment
  RSA735900  Centromadia pungens subsp. pungens Scott D. White, Justin M. Wood 2008-6-3 12057 Riverside Perris Basin: March ARB. Comment
  CLARK-A1045-880  Cerastium glomeratum George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Hemet 15'Q Comment
  POM14190  Cerastium glomeratum William M. Pierce 1922-4-15 s.n. Riverside Santa Ana Canyon. Santa Ana Mountains. Comment
  RSA405370  Cercidium floridum Christopher Davidson 1979-4-4 7689 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  JEPS64759  Cercidium floridum subsp. floridum W. L. Jepson 1927-4-12 11684 Riverside Mecca Painted Canyon (in wash) 76 Comment
  UC61576  Cercidium floridum subsp. floridum Miss Mary McKibben 1904-1 Riverside Mecca Colorado Desert Comment
  POM202255  Cercocarpus betuloides Marcus E. Jones 1933-4-5 s.n. Riverside Hemet. Comment
  POM243638  Cercocarpus betuloides E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  UCR193970  Cercocarpus betuloides A. C. Sanders 2008-7-25 35916 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  UCR270749  Cercocarpus betuloides T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8356 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 436 Comment
  CAS-BOT-BC135453  Cercocarpus betuloides var. betuloides J. Ewan 1929-6-16 3584 Riverside Lilly Creek Canyon 1676 Comment
  CAS-BOT-BC135577  Cercocarpus ledifolius var. ledifolius Louis C. Wheeler 1931-10-3 236 Riverside 1 mi. N. Tahquitz Peak, San Jacinto Mts. 2468 Comment
  JEPS86543  Chaenactis artemisiifolia Roy E. Buck 1988-5-28 911 Riverside near top of grade w of Lake Elsinore (on e-facing slope above CA Hwy 74, 2.0 air km nw of confluence of Harlan Canyon & Johnson Canyon drainages, 7 air km w of L. Elsin. town); Elsinore Mountains Comment
  CAS-BOT-BC276398  Chaenactis carphoclinia N. Aitkenhead 1977-2-3 2112 Riverside At intersection of T/L with Chuckwalla Road Comment
  CAS-BOT-BC276402  Chaenactis carphoclinia Javier Penalosa 1963-4-10 2778 Riverside Deep Canyon, 3 miles S of Palm Desert 213 Comment
  UCR256344  Chaenactis carphoclinia Duncan S. Bell 2011-12-30 3031 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  POM351704  Chaenactis fremontii Chas. Gabriel 1926-2-20 237 Riverside Rincon [R. Village, Andreas Canyon] Comment
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Nov 17 2011
  POM66644  Chaenactis fremontii Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA100386  Chaenactis fremontii Palmer Stockwell 1940-4-24 1507 Riverside 1 mile E of Banning. Comment
  UCR132502  Chaenactis fremontii Chet McGaugh 2004-2-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, northern Palm Springs, near the Whitewater River channel, NW corner of Sunrise Way and San Rafael 171 Comment
  RSA0120305  Chaenactis glabriuscula Duncan S. Bell 2016-4-16 9324 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCR139167  Chaenactis glabriuscula S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  UCR154452  Chaenactis glabriuscula A. C. Sanders, Mike Misenhelter 2005-6-15 30963 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR24931  Chaenactis glabriuscula A. C. Sanders 1980-7-18 01683 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
  CAS-BOT-BC277408  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1820 Riverside Bachelor Mtns.: lower south slopes of Bachelor Mtn., east end of Lake Skinner Comment
  UCR218073  Chaenactis glabriuscula var. glabriuscula Steve Boyd 2010-5-26 12279 Riverside Santa Ana Mountains, Elsinore Peak, southeast of peak, north of trail along ''old Main Divide Road'' east of road up to communications towers, near concrete wildlife drinker. 1040 Comment
  UC456027  Chaenactis parishii I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  CAS-BOT-BC284352  Chaenactis stevioides Ira L. Wiggins 1937-3-9 8743 Riverside Road to Chuckawalla Comment
  UCR279498  Chaenactis stevioides A. C. Sanders, Jim Malusa 2017-3-25 43005 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
  UC110670  Chamaesyce albomarginata Samuel B. Parish 1891-11-6 Riverside San Jacinto <Plains> Comment
  RSA763977  Chamaesyce micromera Justin M. Wood, Dustin M. Ray 2010-10-21 3006 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  SBBG118575  Chamaesyce parishii L. C. Wheeler 1952-4-5 6850 Riverside near cynyn E of Painted Cyn Comment
  JEPS52381  Chamaesyce polycarpa Mary Beal 1939-10-25 708 Riverside Mojave Desert, Palm Springs area Comment
  SEINET3089933 Image available Chamaesyce polycarpa D. Hoover 1986-4-7 776 Riverside South of Morongo Valley; main canyon at the BLM gate. 549 Comment
  RSA487533  Chamaesyce polycarpa var. polycarpa B. Pitzer 1988-3-10 644 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
  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
  UC729539  Cheilanthes covillei Carl B. Wolf 1932-5-24 3646 Riverside 1/2 mi below fish hatchery Snow Creek Canyon; N Base San Jacinto Mts 548 Comment
  UCR22082  Cheilanthes covillei Steve Boyd 1980-5-3 190 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  RSA586044  Cheilanthes newberryi Darin L. Banks, Steve Boyd 1995-3-16 97 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 536 Comment
  RSA667021  Cheilanthes newberryi Scott D. White, Dave Bramlet 1999-4-22 7235 Riverside Ridgetop, north-, west-, and northwest facing slopes of Bachelor Mtn. 549 Comment
  POM97006  Cheilanthes newberryi Philip A. Munz 1926-5-2 10428 Riverside about rocks, 5 miles NW of Dripping Spring Comment
  CAS-BOT-BC68095  Cheilanthes parryi Elizabeth Parsons Hawver 1917-3-25 s.n. Riverside Palm Springs Comment
  RSA86209  Cheilanthes parryi F. W. Peirson 1920-12-28 1504 Riverside Murray Canyon, near Palm Springs 304 Comment
  CAS-BOT-BC70379  Cheilanthes viscida John Thomas Howell 1928-3-11 3421 Riverside wall of Morongo Canyon, n. Colorado Desert 609 Comment
  CSUSB1591  Chenopodium album Deborah Sullivan 1973-7-4 Riverside Glen Avon Glen Avon 243 Comment
  RSA125543  Chenopodium album var. stevensii R. Weatherby 1949-5-13 413 Riverside La Sierra district, Arlington 152 Comment
  CLARK-A1528-407  Chenopodium ambrosioides Fred B. Essig 1966-9-12 Riverside Riverside Comment
  SD181597  Chenopodium berlandieri var. sinuatum Scott D. White 1998-10-13 7181 Riverside Corona, near Bedford Cyn, dissected alluvial slope, foothills at eastern slope of Santa Ana Mtns, 'Joseph Canyon' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. USGS 7.5' corona South quad. 334 Comment
  SDSU13670A  Chenopodium berlandieri var. sinuatum W. Miller, C. Mosse 1972-8-9 Riverside Comment
  SBBG101707  Chenopodium californicum S. Boyd with T. Ross, M. Hammitt 1991-5-2 6080 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  RSA0104482  Chenopodium fremontii Duncan S. Bell 2015-9-30 8674 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UCR20896  Chenopodium fremontii A. C. Sanders 1978-8-27 00281 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  SD148184  Chenopodium missouriense Mitch Provance 2000-10-28 2283 Riverside Jurupa Mountains Cultural Center, 0.25 mile southeast of peak 1411. 289 Comment
  CAS-BOT-BC231771  Chilopsis linearis Louis C. Wheeler 1933-12-1 2281 Riverside San Gorgonio wash at S. P. RR, San Gorgonio Pass 640 Comment
  CAS-BOT-BC231785  Chilopsis linearis Frank W. Peirson 1921-4-13 1173 Riverside Foot of Deep Canyon 304 Comment
  RSA455300  Chilopsis linearis Robert L. Rutherford 1943-9-11 904 Riverside Banning. Comment
  SBBG133564  Chilopsis linearis S. D. White, A. Carey 2004-7-2 10565 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  UC1929903  Chilopsis linearis Scott D. White, Angelia Carey 2004-7-2 10565 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  LA204147  Chilopsis linearis subsp. arcuata M. Zaitlin; 1951-5-26 sn Riverside Palm Springs Comment
  POM17773  Chilopsis linearis subsp. arcuata P. A. Munz, R. D. Harwood 1923-6-29 7304 Riverside Aguanga. Comment
  POM202929  Chilopsis linearis subsp. arcuata L. C. Wheeler 1933-12-1 2281 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  UCD57916  Chloris gayana F. M. Reed 1934-1-5 s.n. Riverside from garden in Riverside. Comment
  RSA724119  Chloris truncata R. E. Riefner 2003-5-27 3 -254 Riverside Perris Valley, Rider Street near Perris Valley Storm Drain. 483 Comment
  RSA180372  Chlorogalum parviflorum E. W. Lathrop 1960-6-8 4938 Riverside 14 miles west of Murrieta Comment
  CLARK-A1045-297  Chorizanthe brevicornu George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  RSA779808  Chorizanthe brevicornu Duncan S. Bell 2009-3-9 107 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  SJSU9102  Chorizanthe brevicornu T. N. Seeno 1963-4-12 277 Riverside 10-12 mi N of Palm Springs 426 Comment
  CAS-BOT-BC191711  Chorizanthe brevicornu var. brevicornu C. L. Hitchcock 1940-3-30 5876 Riverside Cottonwood Spring Comment
  POM13047  Chorizanthe brevicornu var. brevicornu P. A. Munz, D. D. Keck 1922-4-9 4859 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  UC849122  Chorizanthe brevicornu var. brevicornu C. L. Hitchcock 1940-3-30 5876 Riverside Cottonwood Spring Comment
  UCR251902  Chorizanthe corrugata Jim Andre 2013-3-27 24826 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  UCR174254  Chorizanthe fimbriata A. C. Sanders, T. B. Salvato 2006-6-2 33069 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. 579 Comment
  RSA739344  Chorizanthe leptoceras Keith E. Hoffmaster 1937-6-6 759 Riverside Near Valle Vista, Hemet Valley. Comment
  RSA392584  Chorizanthe parryi var. parryi N. C. Cooper 1944-5-19 1301 Riverside Banning. 701 Comment
  RSA532561  Chorizanthe parryi var. parryi D. E. Bramlet 1991-5-9 2133 Riverside North Domenigoni Hills, 1 km. SE of the end of Warren Rd. In a saddle between Peak 733 m. Sec 31(west) and 728 in Sec. 30 (east). The population is found some 167 m. E of an existing dirt road. Comment
  UCR139185  Chorizanthe polygonoides subsp. longispina Virginia Moran 2003-5-23 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 2' in area of transects established by CNLM 425 Comment
  CAS-BOT-BC257188  Chorizanthe polygonoides var. longispina D. E. Bramlet 1989-4-7 1815 Riverside Perris-Aguanga Basin region: Lake Skinner County Park, south of Lake Skinner, 500 ft. west of Old Warren Rd. and 100 ft. north of the E-W access road 518 Comment
  UCR91227  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-25 2395 Riverside Shipley Reserve/SE corner of Lake Skinner Co. Park, within and beside the Equestrian Trail, south of the Tucalota Hills and approximately 702 m SE of the park entrance road and 610 m north of East Benton Road, just SW of knoll 1800 ft 524 Comment
  RSA392736  Chorizanthe rigida Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA0102795  Chorizanthe spinosa Duncan S. Bell, Kay Evelina Lewis-Jones, Isaac Marck, Evan Meyer 2015-4-23 8105 Riverside Rice Valley, to the east of the Arica Mountains, about 6 air miles south southeast of the ghost town of Rice. 211 Comment
  LA206564  Chorizanthe xanti L. Haines; L. Erickson 1937-4-11 sn Riverside Morongo Valley Comment
  CAS-BOT-BC36262  Chrysolepis sempervirens Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mt. 2438 Comment
  SD255185  Chrysolepis sempervirens R. F. Thorne, W. Wisura 1977-9-17 50790 Riverside San Jacinto Mountain: slopes of peak. 3171 Comment
  CLARK-A1656-609  Chrysothamnus paniculatus Lois Ann Scott 1978-1-21 Riverside Desert Hot Springs Comment
  POM184189  Chrysothamnus paniculatus M. French Gilman 1932-11-30 5 Riverside Cabazon Comment
  RSA296169  Chrysothamnus paniculatus B. A. Prigge 1980-8-5 3868 Riverside San Bernardino Mts, Whitewater Canyon: 0.5 miles N of trout farm. Slopes and terraces of canyon. 716 Comment
Read comments
Jan 14 2010
  POM295633  Chrysothamnus teretifolius Lyman Benson 1952-12-29 15089 Riverside Hidden Valley, Joshua Tree National Monument 1372 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
  UCSB4508  Chylismia brevipes Beeks, Richard 1952-4-4 Riverside Seven miles north of Mecca in Box Canyon Comment
  UC1184320  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-3-1 11751 Riverside along US Hwy 95 35.8 mi n Blythe (near Colorado River) Comment
  UCR279415  Chylismia claviformis A. C. Sanders, Jim Malusa 2017-3-25 42994 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
  RSA794235  Chylismia claviformis subsp. aurantiaca Jim Andre 2012-3-19 21310 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  SBBG5104  Chylismia claviformis subsp. aurantiaca C. H. Muller 1952-4-6 9507 Riverside 1 mi N of S gate to Joshua Tree Nat Monument Comment
  UC1184366  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11437 Riverside alluvial fan Fargo Canyon Comment
  UC1184383  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-16 11623 Riverside 4.3 mi s Rice Comment
  UC1595784  Chylismia claviformis subsp. aurantiaca W. Wisura, J. Dolan, and M. Wall 1992-3-24 4618 Riverside Box Canyon Rd 5.5 mi ne Mecca; Lowdesert Comment
  RSA0066519  Cirsium occidentale var. californicum Percy C. Everett, E. K. Balls, Lee W. Lenz 1952-7-1 17270 Riverside 7.9 miles SE of Banning on Hwy to Idyllwild, San Jacinto Mts. 1220 Comment
  CAS-BOT-BC280419  Cirsium ochrocentrum R. M. Howie 1952-8-1 s.n. Riverside Beaumont Comment
  UCR21850  Cirsium vulgare 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
  RSA314660  Cistanthe monandra R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55479 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA740633  Cistanthe monandra Scott D. White, Justin M. Wood 2008-6-18 12207 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. 1341 Comment
  CAS-BOT-BC438965  Cistanthe monosperma Mary F. Spencer 1919-7-6 1264 Riverside Tacquitz [Tahquitz] ridge, San Jacinto Mt. 2377 Comment
  UCSB22195  Clarkia bottae Hitchcock, C. 1928-5-20 Riverside Santa Ana Canyon; 8 miles west of Prado 400 Comment
  RSA585517  Clarkia epilobioides D. L. Banks, Steve D. Boyd 1995-5-9 381 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  UCR274300  Clarkia purpurea T. B. Salvato, Melissa Clemons 2005-6-6 1410 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  RSA0035714  Clarkia rhomboidea Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 258 Riverside Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  RSA633318  Clarkia rhomboidea Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38084 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
  UCR176752  Clarkia similis Joseph Cahill 1998-5-20 6- 02 Riverside Peninsular Range, Box Springs Mountains, 0.5 mi. up along trail from parking lot off Pigeon Pass Rd. from Moreno Valley 732 Comment
  UCR165424  Claytonia parviflora A. C. Sanders 2005-4-21 29580 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  RSA519206  Claytonia parviflora subsp. parviflora M. Lee Overholtzer 1961-3-12 130 Riverside 6 miles south of Corona and 1 mile up Hagador Canyon. Comment
  SDSU13496  Claytonia parviflora subsp. parviflora Shawn Johnston, Calf. Plant Taxonomy Class 2000-4-1 16 Riverside Santa Margarita Ecological Reserve North end. Comment
  UCR149994  Claytonia parviflora subsp. parviflora Scott D. White, Angelia Carey 2004-4-16 10182 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  CAS-BOT-BC439711  Claytonia parviflora subsp. viridis Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-30 3943 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. Saddle between summits, N slope along rd heading N to Black Hills. 792 Comment
  POM13461  Claytonia parviflora subsp. viridis P. A. Munz 1922-5-19 5394 Riverside Keen Camp, San Jacinto Mountains. 1463 Comment
  SD152775  Claytonia parviflora subsp. viridis Steve Boyd, T. Ross, O. Mistretta 1992-3-31 6754 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Atea. Morgan Trail from Round Potrero W to jtn with Tenaja Tr. In N-fork Bear Creek 671 Comment
  UCR121656  Claytonia parviflora subsp. viridis A. C. Sanders 1995-4-13 16488 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  RSA783234  Claytonia perfoliata J. D. Olmsted 1962-5-2 3470 Riverside 20 degree N slope along Banning-Idyllwild Road 1159 Comment
  RSA0045480  Claytonia perfoliata Diane M. Ramirez 1983-5-1 22 Riverside Mellor Ranch Road, 3 mi S of junction with CA Hwy 243, S of Banning. Near Peach Tree Spring stream at Oak Flat. Comment
  UCR121661  Claytonia perfoliata subsp. perfoliata A. C. Sanders 1997-3-19 20022 Riverside Lake Skinner area, Lower Rawson Canyon at 3-way road junction (heron rookery site) c. 1 km NE of the lake 457 Comment
  RSA219223  Clematis ligusticifolia C. W. Tilforth 1970-10-16 319 Riverside Road to Santa Rosa Mountain Comment
  RSA561520  Clematis ligusticifolia Steve Boyd, Tim S. Ross, Dave Bramlet 1992-9-9 7676 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek,, up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UCR169311  Clematis ligusticifolia T. B. Salvato, John F. Green 2004-5-27 598 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
  UCR82762  Clematis ligusticifolia A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15790 Riverside San Jacinto Mtns., N slope of mountains, nameless tributary of Azalea Creek, Twin Pines Creek drainage 1192 Comment
  SBBG114206  Clematis pauciflora C. Bornstein, E. Collins 1992-4-13 Riverside Hwy 74 (Ortega Hwy) near summit 762 Comment
  SD137655  Clematis pauciflora Darin L. Banks, Steve Boyd 1995-3-16 93 Riverside Cleveland national forest, Agua tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 512 Comment
  SJSU9059  Clematis pauciflora G. B. Youngberg 1956-3-30 232 Riverside Glen Ivy Hot Springs, E slope Santa Ana Mts c. 11 mi SE of Corona 365 Comment
  UCR16741  Clematis pauciflora K. T. Seng 1966-3-27 660327- 15 Riverside 0.5 miles north corner of Wood and Roberts, about 4 miles from freeway 395, Woodcrest, Riverside 488 Comment
  RSA33853  Cleome isomeris N. C. Cooper 1944-4-23 1117 Riverside Cabazon 457 Comment
  RSA440804  Cleome isomeris N. R. Zabriskie 1973-3-16 569 Riverside Deep canyon, north slope Santa Rosa Mountains. 335 Comment
  RSA650742  Cleome isomeris David B. Dunn 1948-1-25 3642 Riverside One mile south of Cabazon, east of Banning Pass between the San Jacinto Mts. & the San Gorgonio Mts. Comment
  RSA663837  Cleome isomeris C. R. Annable, Lee Barron 1995-3-11 2268 Riverside Cactus City rest stop on I-10. 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
  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
  RSA0117441  Collinsia concolor Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 132 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On main gravel road heading away from ranch entrance and private residence driveways. 377 Comment
  UCR44460  Collinsia concolor A. C. Sanders 1986-6-1 6547 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  HSC47411  Colubrina californica Richard Spjut, C. E. Edson 1978-4-25 4955 Riverside Colorado Desert, N face of Chuckawalla Mtns. 2.7 mi S of Desert Center 335 Comment
  RSA249425  Colubrina californica R. W. Spujt 1973-4-10 3296 Riverside North face of the Chuckwalla Mountains, 3-4 miles directly south of Desert Center 305 Comment
  RSA0024815  Condalia globosa var. pubescens Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-23 4461 Riverside Orocopia Mountains; southeast section of range, south of Salt Creek, about 0.25 air mile south of the Bradshaw Trail. 469 Comment
  UCR239467  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
  CAS-BOT-BC389741  Condea emoryi M. Danielson 1963-12-25 s.n. Riverside Tahquitz Canyon Comment
  RSA394802  Convolvulus arvensis Luther A. Rice 1891-6-1 s.n. Riverside Near Riverside Comment
  RSA619541  Conyza bonariensis D. L. Banks 1997-5-5 1990 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
  RSA702048  Conyza canadensis Scott D. White, Angelia Carey 2004-9-16 10757 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence w/ San Jacinto River. Former homestead area with persisting pond (cattle pond?) & adj. wetlands and seep. 579 Comment
  POM10039  Conyza coulteri E. A. Zumbro 96 Riverside Cold Water Canyon, bridge over old canal. Comment
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Apr 10 2016
  UCR151096  Cordylanthus nevinii Scott D. White, Julie Greene 1998-8-1 6968 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  RSA198952  Crassula aquatica R. F. Thorne, E. W. Lathrop 1968-5-8 37565 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  SEINET13729337  Crassula aquatica Unknown 1969-5-15 3235 Riverside PLANTS OF CALIFORNIA Riverside Co., California; 6 miles W. of Murrieta on Santa Rosa Plateau at Tenaja lake; ca. 2 mi. E. of Tenaja Forest Station; submerged in shallow water at margin of pool with Lilaea, Isoetes, etc. ca. 2,000 ft. elev. 609 Comment
  CAS-BOT-BC427778  Crassula connata John H. Thomas 1959-3-23 7573 B Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks. 609 Comment
  HSC85412  Crassula connata Steve Boyd 1986-4-2 1630 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA0125184  Crassula connata Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8755 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  UCR214567  Crassula connata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37865 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
  RSA357164B  Crassula solieri R. F. Thorne, E. W. Lathrop 1975-5-25 45561 -B Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  JOTR37486  Crossosoma bigelovii Hodges, Stephen R. 2016-3-19 615 Riverside Joshua Tree National Park. Coxcomb Mountains, ascending north up Hummingbird wash towards the Inner Basin Comment
  NY268554  Crossosoma bigelovii C. B. Wolf 1937-5-4 8525 Riverside Colorado Desert. Little San Bernardino Mts. Morongo Wash, 1 mi. below San Bernardino Co. line. 609.6 Comment
  POM310171  Crossosoma bigelovii Hulda Crooks 1946-4-15 350 Riverside 29 Palms Canyon 396 Comment
  UCSB3801  Crossosoma bigelovii Walker, Clifford 1954-4-10 Riverside Near the head of Whitewater Canyon Comment
  RSA70558  Croton californicus F. W. Peirson 1920-12-29 4439 Riverside 1.5 miles east of Whitewater Station, head of Coachella Valley. Comment
  SD80025  Croton californicus Nancy R. Zabriskie, Walter Zabriskie 1970-3-29 279 Riverside Andreas Canyon Club Gate on South Palm Canyon Drive, Palm Springs. 170 Comment
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Apr 17 2011
  UCR139648  Croton setiger A. C. Sanders 2004-6-30 28385 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  RSA799815  Cryptantha D. M. Ray 2011-3-5 13 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  UCR261483  Cryptantha A. C. Sanders, Katie Young, John Hale 2015-4-22 41588 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  SEINET6971882  Cryptantha W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  POM368202  Cryptantha angustifolia George B. Grant 1906-5-10 s.n. Riverside Palm Springs. Comment
  SD224872  Cryptantha angustifolia G. K. Helmkamp, E. A. Helmkamp 1998-2-5 2652 Riverside Indio Hills, 3 mi. E of Thousand Palms & 1.1 mi. N on Amity Rd. Almost barren hills just beyond creosote bush scrub. 100 Comment
  UC1063929  Cryptantha angustifolia H. S. Yates 1936-4-7 5442 Riverside 2.5 mi s Willis Palms; Thermal Quad. 243 Comment
  UC665819  Cryptantha angustifolia Ira L. Wiggins 1941-5-24 9562 Riverside 0.3 mi s Myoma (4.6 mi n of Indio) Comment
  SEINET10455842  Cryptantha angustifolia David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-13 Dunn 2892 Riverside Pushawalla Canyon Biota. Indio Hills. Steep slopes on canyon side. Comment
  RSA339323  Cryptantha barbigera R. F. Thorne, C. W. Tilforth 1980-5-28 54210 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
  UC1168707  Cryptantha barbigera Peter H. Raven 1958-3-16 11869 Riverside Fried Liver Wash Joshua Tree National Monument, Pinto Basin Comment
  UCR19583  Cryptantha barbigera Dr. H. de Forest 1924-4-13 s.n. Riverside Western Colorado Desert region, Tahquitz Canyon 457 Comment
  RSA0065499  Cryptantha barbigera David B. Dunn, Lint 1955-4-1 11838 Riverside Pushawalla Canyon, Indio Hills. Top of the east hill. Comment
  RSA777765  Cryptantha barbigera var. barbigera Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1086 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 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
  RSA0020371  Cryptantha dumetorum Duncan S. Bell 2012-3-4 3130 Riverside Arica Mountains; west side of range, approximately 2.3 air miles west of Priests Well. 420 Comment
  UC2015554  Cryptantha dumetorum A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15999 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  RSA710002  Cryptantha holoptera Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4593 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  JEPS67667  Cryptantha intermedia W. L. Jepson 1901-5-30 1554 Riverside between Aguanga and Temecula; Temecula River 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
  RSA715938  Cryptantha intermedia Scott D. White, Angelia Carey 2004-4-5 10019 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA778145  Cryptantha intermedia J. Andre 2011-2-2 16234 Riverside Coachella Valley; mouth of Big Morongo Wash, 1 mile east of Hwy. 62, just N of North Indian Canyon Road, west of Desert Hot Springs. 7.5 miles north of I-10 487 Comment
  UC56844  Cryptantha intermedia H. M. Hall 1902-4-26 2991 Riverside vicinity Riverside 365 Comment
  UC857160  Cryptantha intermedia I. W. Clokey and B. C. Templeton 1930-4-9 4665 Riverside n of Banning 800 Comment
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Mar 13 2011
  UCR132340  Cryptantha intermedia John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR180343  Cryptantha intermedia Scott D. White, Angelia Carey 2004-4-5 10019 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  SDSU20037  Cryptantha intermedia var. intermedia Michael G. Simpson 2012-4-27 3686 Riverside Skunk Hollow Vernal Pool Preserve, slight slope ca. 300 feet south of southern end of vernal pool. 419 Comment
  SDSU21863  Cryptantha juniperensis A. C. Sanders, T. B. Salvato 2012-4-27 40087 Riverside Peninsular Range; Santa Ana Mtns. Region; Temescal Canyon, along Temescal Canyon Rd. near I-15 crossing and mouth of Mayhew Cyn. 314 Comment
  JOTR29358  Cryptantha maritima La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1435 Riverside Joshua Tree National Park. Long Canyon; Stop 2, in side canyon east of main wash. 837 Comment
  POM118681  Cryptantha maritima Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  POM13224  Cryptantha maritima E. C. Jaeger 1921-04 1126 Riverside Box Canyon, Colorado Desert. Comment
  RSA770987  Cryptantha maritima J. Andre, T. La Doux 2009-2-25 10809 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCR30071  Cryptantha maritima George K. Helmkamp 1983-4-5 483 11 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  JOTR29592  Cryptantha micrantha Andre, Jim 2006-4-26 6769 Riverside Joshua Tree National Park. ridgetop W of upper Long Canyon, approx 0.5 mi. S. of radio tower and of NE corner (boundary) of park 1324 Comment
  UC1063822  Cryptantha micrantha H. S. Yates 1937-3-23 6394 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  RSA511347  Cryptantha micrantha var. lepida B. Pitzer 1988-3-12 662 Riverside Santa Rosa Mtns., Pinyon Flats Campground. 1220 Comment
  RSA543935  Cryptantha microstachys Steve Boyd 1991-5-10 6213 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  SD185170  Cryptantha microstachys A. C. Sanders 2005-4-21 29569 Riverside Gavilan Hills, south of Harford Springs County Park and Ida Leona Rd., 1.5 miles eastsoutheast of Gavilan Peak. 622 Comment
  UC1537682  Cryptantha microstachys Gordon H. True Jr. 1935-2-20 3 Riverside Box Springs Sycamore Canyon 365 Comment
  UCR270176  Cryptantha microstachys A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42402 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
  UC729470  Cryptantha muricata Carl B. Wolf 1932-8-6 Riverside 2.9 mi from Idyllwild (on road to Hemet); San Jacinto Mts. 1219 Comment
  UCR127340  Cryptantha muricata A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25845 B Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR216254  Cryptantha muricata Oleg Pryadko 2008-5-2 050 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR262570  Cryptantha muricata var. denticulata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3751 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  RSA777541  Cryptantha nevadensis var. nevadensis Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 901 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR279548  Cryptantha nevadensis var. nevadensis A. C. Sanders, Jim Malusa 2017-3-27 43133 Riverside Sonoran (Colorado) Desert, NW edge of Chocolate Mountains, lower Salt Creek on the illegal OHV road from the Coachella Canal to the trestle, inside Navy Aerial Gunnery Range 44 Comment
  CLARK-A1045-103  Cryptantha pterocarya George K. Helmkamp 1977-3-20 Riverside San Jacinto Mountains flats above Deep Canyon; ; Palm Desert 15'Q 1066 Comment
  UCR52021  Cryptantha pterocarya var. cycloptera Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2182 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  SBBG14710  Cryptantha pterocarya var. pterocarya H. and M. Dearing 1937-4-10 Riverside near Hayfield Comment
  RSA499793  Cryptantha racemosa W. Hutchinson 1925-04 s.n. Riverside Palm Canyon Comment
  RSA614832  Cryptantha racemosa A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15814 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 550 Comment
  UC604894  Cryptantha racemosa Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9575 Riverside 2 mi up Painted Canyon; Mecca Hills Comment
  SBBG63969  Cryptantha utahensis M. N. Ackley 1928-3-10 45 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  RSA543156  Cucurbita palmata Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6106 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
  UC28915  Cucurbita palmata H. M. Hall 1901-8-6 2654 Riverside vicinity of Riverside 457 Comment
  RSA409704  Cuscuta californica M. B. Dunkle 1934-2-19 3838 Riverside San Juan Canyon 396 Comment
  SDSU16681  Cuscuta californica var. californica Francis H. Bozzolo 2006-4-16 4 Riverside Santa Margarita Ecological Reserve, southern end, NNW of residence building, slope immediately behind avocado grove between 2 gullies. 229 Comment
  RSA640955  Cuscuta ceanothi R. F. Thorne 1963-7-26 32821 Riverside Santa Ana Mts., Cleveland National Forest, Trabuco District 305 Comment
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May 16 2016
  JEPS47116  Cuscuta salina W. L. Jepson 1901-5-31 1570 Riverside near Elsinore; Temescal Wash 335 Comment
  LA210111  Cuscuta subinclusa Joseph Andorfer Ewan; 1932-7-9 7497 Riverside Santa Ana River at jct. with Chino Creek Comment
  UCR262461  Cylindropuntia californica Julie Nguyen 2013-4-6 03 Riverside Riverside, Sycamore Canyon Wilderness Park, c. 1 mile from Hwy 60 427 Comment
  UCR117348  Cylindropuntia californica var. californica Mitch Provance 1998-3-22 282 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  RSA65624  Cylindropuntia echinocarpa F. W. Peirson 1928-4-24 7901 Riverside Hills north and northeast of Cottonwood Springs, north end of Colorado Desert. Comment
  SEINET9037429 Image available Cylindropuntia echinocarpa M. A. Baker, Michelle Cloud-Hughes 2015-1 18399 Riverside San Gorgonio River, 2km south of Cabazon, 2.6km NNW of Hurley Flat, 26km WNW of central Palm Springs 510 Comment
  UCR26227  Cymopterus panamintensis var. acutifolius John C. Roos 1947-2-15 3243 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, south face of Eagle Mtns., west of Hayfield Dry Lake 997 Comment
  UCR233936  Cynanchum utahense Duncan S. Bell 2011-10-22 3005 Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  CLARK-A1528-50  Cynodon dactylon C. M. Flanagan 1973-5-31 OO 640 Riverside Morongo Indian Reservation Comment
  UCR188893  Cyperus difformis Fred M. Roberts, S. Leatherman 2007-9-19 6597 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  CAS-BOT-BC114542  Cyperus eragrostis G. Helmkamp; E. A. Helmkamp 1998-8-17 4446 Riverside Santa Ana Mts: San Juan Cyn along the Ortega Hwy (CA-74) beside the Orange Co. line. 502 Comment
  RSA554094  Cyperus eragrostis Chet McGaugh 1991-6-20 91 -3 Riverside Murrieta Hot Springs area: ca. 1 mile E of Highway I-215, S of and adjacent to Murrieta Hot Springs Road. 348 Comment
  RSA736764  Cyperus odoratus Scott D. White, Lynn Stafford 2007-7-5 11756 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  SD227680  Cyperus squarrosus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22233 Riverside San Bernardino Mtns.: Morongo Indian Reservation, lower Millard Canyon 840 Comment
  JEPS35182  Cystopteris fragilis Carl V. Meyer 1928-7-26 535 Riverside Deer Springs; San Jacinto Mt. 2651 Comment
  RSA5901  Cystopteris fragilis C. B. Wolf 1932-8-5 3974 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  UC489280  Cystopteris fragilis C. V. Meyer 1928-7-26 535 Riverside Deer Springs; San Jacinto Mt 2987 Comment
  UC196584  Dalea mollis Joseph Grinnell 1910-3-18 Riverside Riverside Mt. Colorado R., Riverside Mt. Comment
  UCR167392  Dalea mollis John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  JOTR36187  Dasyochloa pulchella La Doux, Tasha, B. Truesdell, M. Wheeler 2013-10-31 3336 Riverside Joshua Tree National Park. Queen Mountain; near Split Rock, approx 0.5 km SE of Elton Mine 1330 Comment
  POM13632  Dasyochloa pulchella E. C. Jaeger 1921-3-28 1042 Riverside Redrock Canyon, 15 miles east of Mecca Comment
  RSA592686  Dasyochloa pulchella Scott D. White, Duayne Haselfeld 1996-7-2 4270 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  RSA356644  Datisca glomerata R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47299 Riverside Santa Rosa Plateau: Cleveland National Forest, along Tenaja Creek at Tenaja Guard Station. Comment
  UCD107685  Datisca glomerata Charles B. Fiker 1946-6-17 3601 Riverside San Mateo Canyon, Fallbrook. Comment
  RSA676265  Datura discolor Scott D. White 2001-4-3 8229 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC724162  Datura discolor Aven and Ruth Nelson 1939-3-28 3299 Riverside s. Mecca (on State Hwy. 111) Comment
  UCR215642  Datura wrightii Bao Doan 2010-5-31 13 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Apache Trail at Pipeline Road 563 Comment
  UCSB8593  Datura wrightii Van Leeuwen, Henry 1957-4-13 Riverside Under bridge stream bed near US 60 near with Cal 195 Comment
  UC1608212  Daucus pusillus Tim Ross and Steve Boyd 1992-6-10 7635 Riverside about Potrero Escondido- an isolated area topping ridge system due w. of junction of Tenaja Rd. (7S01) and Los Alamos Rd. (7S04) San Mateo Canyon (at confluence of Los Alam...); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area, S 670 Comment
  UCR134642  Daucus pusillus Mitch Provance 1998-4-10 415 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  UCR172282  Daucus pusillus 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
  SBBG104030  Deinandra kelloggii A. C. Sanders 1993-5-17 14063 Riverside S side of Florida Ave (Hwy 74) on E side of California Ave; Hemet 460 Comment
  UCSB61511  Deinandra kelloggii Sanders, A. 1993-5-17 Riverside Hemet, S side of Florida Ave. (Hwy. 74) on the E side of California Ave.; (T5S, R2W, NW/4 sec. 13) 460 Comment
  RSA674656  Deinandra mohavensis Scott D. White 2000-8-22 8120 Riverside Gibbel Flat in the Santa Rosa Hills. 610 Comment
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Dec 16 2012
  UCR174443  Delphinium parryi A. C. Sanders 2006-5-19 32387 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  CSUSB1232  Dendromecon rigida R. M. Cope 1965-3-20 Riverside In valley on west side of road from Idyllwild to Banning, 5 miles below Lake Fulmore. 731 Comment
  UCR243170  Dendromecon rigida LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4336 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  UCSB2144  Dendromecon rigida Kamb, Peter 1947-5-17 Riverside Banning-Idyllwild Road at Vista Grande Ranger Station, San Jacinto Mts. 1463 Comment
  POM49465  Deschampsia elongata P. A. Munz, I. M. Johnston 1924-7-28 8802 Riverside Pine Flats, San Jacinto Mountains. 1707 Comment
  RSA597937  Deschampsia elongata F. M. Reed 1928-6-18 6138 Riverside Temescal [Santa Ana] Mountains: Main Street Canyon, south of Corona. 579 Comment
  RSA697469  Descurainia pinnata J. R. Bruff 1929-4-2 109 Riverside Canon 1 mi. W. of Morongo. Comment
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Nov 9 2011
  CAS-BOT-BC43363  Descurainia pinnata subsp. glabra Nancy Ryan Zabriskie 1970-3-27 262 Riverside Near Ryan cabin. Andreas Canyon, near Palm Springs. 365 Comment
  UCR35192  Descurainia pinnata subsp. menziesii L. B. Ziegler 1969-4-2 336 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  UCR155070  Dichelostemma capitatum A. C. Sanders, Kelly Volansky 2005-3-17 29215 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA586152  Dichelostemma capitatum subsp. capitatum Darin L. Banks, Steve Boyd 1995-3-30 114 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 713 Comment
  CAS-BOT-BC292179  Dicoria canescens John C. Angsbury 1929-2-1 s.n. Riverside Indio Comment
  POM15075  Dicoria canescens Mary F. Spencer 1920-4-20 1931 Riverside Palm Springs. 122 Comment
  RSA11409  Dicoria canescens P. A. Munz 1921-12-31 4705 Riverside Between Palm Springs & Whitewater. Comment
  JEPS40728  Dieteria asteroides var. asteroides Marjorie D. Clary 1932-5-9 371 Riverside near Neighbors; Palo Verde Valley 91 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
  RSA0019275  Dimorphotheca fruticosa Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  SDSU13004  Diplachne fusca var. uninervia Michael G. Simpson 1999-10-27 2046 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SBBG14803  Diplacus clevelandii P. H. Raven 1962-5-18 17759 Riverside Main Divide Truck Trail 2.9 mi S of Santiago Pk 1234 Comment
  RSA0018438  Diplacus longiflorus var. calycinus Scott D. White 1995-3-30 2669 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr; (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill). 579 Comment
  RSA0018426  Diplacus longiflorus var. calycinus C. W. Tilforth, Walter Wisura 1979-8-8 1897 Riverside Highway 243 at turn-off to Poppet Flat, south of Banning. 1189 Comment
  RSA682566  Diplotaxis muralis A. C. Sanders 2002-11-17 25624 Riverside San Bernardino/Santa Ana River Valley Region: Riverside, UCR Botanical Garden, near the west fence above the Latin American section. 366 Comment
  RSA70429  Ditaxis lanceolata F. W. Peirson 1914-04 2042 Riverside Whitewater, Nw corner of Colorado Desert, River Co. Comment
  SBBG104636  Ditaxis lanceolata T. Glenn 1991-4-29 91 -62 Riverside McCoy Mtns, NW of Blythe; T5S, R20E, S 27 & 34 Comment
  SD129380  Ditaxis lanceolata A. C. Sanders 1989-9-19 9500 Riverside Chocolate Mountains Aerial Gunnery Range; 1.75 km south of Tabaseca Tank, along the wash above Tabaseca Target. 680 Comment
  SFV6324  Ditaxis lanceolata T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 43 Riverside 5 miles north of Highway 111 on Highway 74. Growing adjacent to roadside. 100 Comment
  UCR198200  Ditaxis lanceolata Michael Honer, L. Hulse 2004-4-3 1908 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  JOTR29193  Ditaxis neomexicana La Doux, Tasha 2005-9-8 1306 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  RSA0021557  Ditaxis neomexicana Duncan S. Bell, Aaron Sims 2012-3-10 2044 Riverside Orocopia Mountains; northeast section of range, approximately 4 air miles east of Chiriaco Summit. 497 Comment
  UCR226672  Ditaxis neomexicana Jim Andre 2011-2-9 15930 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  CLARK-A1528-5015  Dithyrea californica John C. Roos 1937-4-18 1367 Riverside Comment
  RSA311338  Dithyrea californica R. F. Thorne 1963-3-29 32385 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
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Dec 13 2011
  RSA485838  Dithyrea californica T. S. Elias 1988-2-26 10685 Riverside Joshua Tree. Northeastern section of Eagle Mountains east of Joshua Tree National Monument. Comment
  RSA530746  Dithyrea californica E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert Comment
  UCR249501  Dithyrea californica T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7292 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
  UCR223981  Dittrichia graveolens Lee Jones 2010-11-19 s.n. Riverside Beaumont, San Timoteo Canyon Rd. at entrance to golf course maintenance bldg., c. 1.8 mi. west of intersection with I-10 701 Comment
  RSA586867  Dodecahema leptoceras D. L. Banks, S. D. Boyd 1995-5-3 286 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
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Mar 30 2011
  CAS-BOT-BC136107  Dodecatheon alpinum H. M. Hall 1901-7-1 2348 Riverside Tahquitz [Tauquitz] Valley - San Jacinto Mountains 2499 Comment
  RSA461476  Dodecatheon alpinum subsp. majus M. B. Dunkle 1933-7-22 3754 Riverside Tahquitz Valley. 2317 Comment
  UCR25707  Dodecatheon clevelandii John C. Roos 1941-1-18 223 Riverside Plateau in Reche Canyon 610 Comment
  POM9555  Dodecatheon clevelandii P. A. Munz, Harwood 1920-2-28 3230 Riverside 2 mi. southwest of Corona. 305 Comment
  CAS-BOT-BC129968  Dodecatheon redolens Edmund C. Jaeger 1921-7-13 95 Riverside Deer Springs Meadow, San Jacinto Mts. 2712 Comment
  RSA0088541  Downingia bella Giovanni Rodriguez 2016-4-2 16 Riverside Santa Ana mountains, Santa Rosa Plateau (vernal pool trail head). 625 Comment
  RSA66172  Draba cuneifolia var. integrifolia F. W. Peirson 1919-4-14 649 Riverside Murray Canyon, Palm Springs Region. Comment
  UC12541  Drymocallis glandulosa var. viscida H. M. Hall June, 1901 2039 Riverside meadows in the vicinity Strawberry Valley (Shingle Valley); San Jacinto Mountains, vicin Strawberry Valley 1341 Comment
  RSA33796  Dryopteris arguta Norman C. Cooper 1944-5-21 1248 Riverside San Jacinto Mountains, West side 915 Comment
  UCR178349  Dryopteris arguta Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1056 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA674956  Dudleya edulis Scott D. White, Teresa Salvato 2001-6-8 8564 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR209225  Dudleya lanceolata R. G. Swinney 1969-5-18 476 Riverside San Bernardino Mtns., Whitewater Canyon 640 Comment
  CAS-BOT-BC173206  Dudleya multicaulis Mitch Provance 2003-4-26 9880 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery 427 Comment
  CAS-BOT-BC416942  Dudleya pulverulenta L. R. Abrams 1908-7-21 s.n. Riverside Elsinore Comment
  UCR213860  Dudleya pulverulenta Scott D. White, Justin M. Wood 2009-5-22 12930 Riverside San Jacinto Mountains, Old Control Road, below Halfway Spring 915 Comment
  RSA0041954  Dudleya pulverulenta subsp. arizonica Duncan S. Bell, Marcel Beffort 2014-4-22 6601 Riverside Chuckwalla Mountains; western end of Corn Springs wash/canyon; approximately 0.25 air mile south of Aztec Well. 622 Comment
  RSA397787  Dudleya saxosa subsp. aloides Ora M. Clark 1929-2-22 1548 Riverside N. Whitewater. Comment
  CAS-BOT-BC334247  Echeveria A. C. Sanders 2010-5-23 38426 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place. Comment
  RSA69869  Eclipta prostrata J. C. Roos 1951-9-22 52332 Riverside Fairmont Park. 244 Comment
  UC1755  Eleocharis bella H. M. Hall Jun 1901 2232 Riverside Onstatts Valley San Jacino Mountains 1524 Comment
  CAS-BOT-BC112738  Eleocharis geniculata H. M. Hall; L. A. Greata 1905-5-1 5984 Riverside Dos Palmas, Colorado Desert Comment
  RSA289806  Eleocharis montevidensis B. A. Prigge 1980-8-12 3939 Riverside San Bernardino Mountains, Whitewater Canyon: 0.7 mile WNW of trout farm. 720 Comment
  POM14326  Eleocharis palustris Phillip A. Munz 1922-7-4 5972 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  POM181843  Eleocharis parishii H. M. Hall 1901-06 2013 Riverside East base of San Jacinto Mountains. Comment
  UCR164295  Eleocharis parishii S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  RSA613950  Eleusine indica A. C. Sanders 1994-7-27 15163 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge., 117 deg 22.5'W, 34 deg 01'N.) 246 Comment
  CAS-BOT-BC227735  Elymus elymoides Carl B. Wolf 1932-8-5 3948 Riverside San Jacinto Mts. Along trail from Tahquitz Valley to San Jacinto Peak 2621 Comment
  UCR2751  Elymus elymoides F. M. Reed 1908-7-11 2497 Riverside San Jacinto Mtns, San Jacinto Mtns Comment
  JOTR34098  Elymus elymoides subsp. elymoides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2932 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
  JOTR37442  Elymus elymoides subsp. elymoides Hodges, Stephen, T. Green 2016-5-24 564 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; along social trail ascending from Quail Springs parking lot towards Johnny Lang Canyon (Stop 1). Comment
  UC188950  Elymus elymoides subsp. elymoides H. M. Hall 1899-5-25 1177 Riverside El Toro region San Jacinto Mountains Comment
  UC38218  Elymus elymoides subsp. elymoides H. M. Hall June, 1901 2177 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  UCR167864  Elymus glaucus T. B. Salvato, John F. Green 2004-5-27 646 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
  SEINET4208316  Elymus glaucus subsp. glaucus Steve Boyd, Tim Ross 1992-6-10 7641 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek.; 0 671 Comment
  UCR2361  Elymus glaucus subsp. jepsonii F. M. Reed 1908-7-13 2429 Riverside San Jacinto Mtns., Tahquitz Valley, north side 2561 Comment
  CDA31736  Elymus trachycaulus S. Munhall 1957-7-18 Riverside Cleveland National Forest, high rocky ridge. 0 Comment
  SD232145  Elymus triticoides Scott D. White, Justin M. Wood 2008-7-8 12392 Riverside Mesic meadow and dry meadow margins 438 Comment
  RSA554406  Emmenanthe penduliflora Theo Glenn 1991-4-9 91 -3 Riverside Big wash in Eagle Mountains 787 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
  UCR174128  Emmenanthe penduliflora A. C. Sanders, T. B. Salvato 2006-6-2 33086 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. 579 Comment
  UCR216026  Emmenanthe penduliflora Oleg Pryadko 2008-5-2 084 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR41850  Emmenanthe penduliflora A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6037 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  RSA623984  Encelia actoni Arthur R. Kruckeberg 1939-4-11 140 Riverside Desert side of Santa Rosa Mts. Comment
  UCR177275  Encelia actoni Scott D. White, Michael Honer 2003-5-13 9251 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  UCSB18955  Encelia californica Wright, David 1963-5-5 Riverside State Highway 74, about 6.8 miles S of Dead Indian Creek 1066 Comment
  CAS-BOT-BC131345  Encelia farinosa E. A. McGregor 1917-3-18 700 Riverside 5 miles up Painted [Canon] Canyon Comment
  RSA696888  Encelia farinosa W. Marquart 1938-3-12 s.n. Riverside 15 mi. W. of Desert Center on main highway. Comment
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Apr 5 2011
  UC135052  Encelia farinosa C. F. Baker 1903-4-4 4151 Riverside Elsinore Comment
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Feb 2 2013
  UCR100290  Encelia farinosa B. G. Pitzer 1997-4-20 3176 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  UCSB29016  Encelia farinosa Hornemann, D. 1977-2-26 Riverside Box Canyon Wash 60 Comment
  POM41502  Encelia farinosa var. farinosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA26861  Encelia farinosa var. farinosa I. L. Wiggins 1941-3-24 9577 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  CAS-BOT-BC131415  Encelia frutescens Marcus E. Jones 1903-5-10 s.n. Riverside Palm [Spring] Springs 60 Comment
  UCR89581  Encelia frutescens George K. Helmkamp 1994-3-10 42 9 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  CAS-BOT-BC81493  Ephedra aspera H. E. McMinn 1925-7-1 1475 Riverside Palm [Canon] Canyon Comment
  RSA383869  Ephedra aspera Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  SD124750  Ephedra aspera A. C. Sanders, D. Charleton & B. Pitzer 1986-3-3 6142 Riverside north foot of the Chuckwalla Mountains, 2.75 miles airline southeast of Desert Center 365 Comment
  SEINET3197212 Image available Ephedra aspera G. Rink 2011-4-4 10425 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  JOTR29439  Ephedra californica La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1373 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  RSA167539  Ephedra californica Robert F. Thorne 1964-5-3 33851 Riverside Desert wash near hwy ca 4 miles S of Morongo Valley and ca 3 miles S of San Bernrardino Co. line. Comment
  RSA708653  Ephedra californica Scott D. White 2005-3-29 10841 Riverside 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
  SJSU126  Ephedra californica C. D. Duncan 1933-3-24 Riverside Palm Springs Comment
  UC1083311  Ephedra californica H. L. Mason 1928-3-10 4188 Riverside White water River Comment
  NY70649  Ephedra torreyana R. S. Ferris 1958-3-19 13264 Riverside 2.1 miles south of Rice on road to Midland and Blythe Comment
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Jun 2 2012
  UCR275148  Ephedra trifurca David Fraker, Aaron C. Sedgwick 2012-3-27 039 Riverside Central Mojave Desert, Owl Canyon [in Rainbow Basin Natural Area], by Owl Canyon Campground 973 Comment
  JOTR31127  Ephedra viridis La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2509 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  POM48869  Epilobium canum subsp. latifolium P. A. Munz 1924-7-26 8703 Riverside Near Dark Canyon, San Jacinto Mts. 1524 Comment
  RSA314465  Epilobium canum subsp. latifolium Robert F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55401 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  UCR4661  Epilobium ciliatum Frank C. Vasek 1964-7-25 640725- 08 Riverside San Jacinto Mountains, Dark Canyon 1829 Comment
  RSA162775  Epilobium ciliatum subsp. ciliatum J. D. Olmsted 1959-7-1 712 Riverside Wellman s Cienega along San Jacinto Pk. trail from Fern Valley NE of Idyllwild. Comment
  UC20050  Epilobium ciliatum subsp. glandulosum H. M. Hall 1901-7-24 2562 Riverside small spring on steep n side San Jacinto Mountains Comment
  RSA711038  Epilobium densiflorum A. C. Sanders, Kelly Volansky 2005-8-31 31578 Riverside Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., ca 0.5 mi. N of Tenaja Rd. 671 Comment
  UCR90616  Epilobium densiflorum Scott D. White 1995-6-29 3404 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA449951  Epilobium pygmaeum J. C. Roos 1952-6-18 5779 Riverside A drying vernal pool in Edgemont. 457 Comment
  POM48356  Epipactis gigantea Philip A. Munz, I. M. Johnston 1924-7-27 8793 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  RSA612753  Equisetum laevigatum L. C. Wheeler 1932-7-9 935 Riverside Santa Ana River at Chino Creek 182 Comment
  UCR265591  Eragrostis cilianensis Jordan Zylstra 2014-7-6 14017 Riverside San Jacinto Mountains, Fobes Canyon 1524 Comment
  UCR103783  Eragrostis pectinacea var. pectinacea Scott D. White 1994-10-17 2465 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  CLARK-A1656-789  Eremalche exilis Jon Mark Stewart 1982-4-14 Riverside Palm Desert 60 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
  SBBG71536  Eremalche rotundifolia S. W. Hutchinson -Feb-1925 698 Riverside entrance to Painted Cyn Comment
  RSA544283  Eremocarpus setiger Steve Boyd, T. S. Ross 1991-6-14 6364 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA0126636  Eremothera refracta Duncan S. Bell 2016-3-4 8801 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  UC874145  Eremothera refracta C. L. Hitchcock 1940-4-1 5898 Riverside 1 mi below Cottonwood Spgs.; Joshua Tree Nat. Monument Comment
  UCD170704  Eremothera refracta G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2739 Riverside Chuckwalla Mountains: Graham Pass Road, 10.6 miles SSW of Chuckwalla Valley Road. 448 Comment
  UC303728  Eriastrum densifolium subsp. austromontanum G. B. Grant Aug. 1901 Riverside Strawberry Valley Comment
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Sep 6 2010
  UC52473  Eriastrum densifolium subsp. austromontanum H. M. Hall May 17 1901-Jun 1 1901 1861 Riverside San Jacinto Mt.; e base 762 Comment
  UCR35045  Eriastrum densifolium subsp. densifolium L. B. Ziegler 1967-6-14 159 Riverside San Jacinto Valley, 1 mi. east of San Jacinto 473 Comment
  RSA0093001  Eriastrum eremicum subsp. eremicum Jim M. Andre 2012-4-11 20811 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  CAS-BOT-BC187938  Eriastrum harwoodii Carl B. Wolf 1932-4-29 3119 Riverside Eastern Colorado Desert, 3 miles S of Rice on Blythe Road 213 Comment
  RSA0029393  Eriastrum harwoodii Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4683 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  CAS-BOT-BC514515  Eriastrum harwoodii Carl B. Wolf 1932-4-29 3119 Riverside Eastern Colorado Desert, 3 mi S of Rice on Blythe Rd 213 Comment
  RSA0122960  Eriastrum sapphirinum subsp. dasyanthum Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  RSA0121591  Eriastrum sapphirinum subsp. dasyanthum R. L. Pendleton 1905-9-28 269 Riverside Railroad embankment, Salt Lake Bridge, Riverside. 152 Comment
  RSA0122956  Eriastrum sapphirinum subsp. dasyanthum P. A. Munz 1925-5-20 9847 Riverside Aguanga Valley. Comment
  HSC35352  Eriastrum sapphirinum subsp. sapphirinum J. D. Ackerman, A. M. Montalvo 1975-6-26 522 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, 1 mi. E of Upper San Juan Campground, Cleveland National Forest 610 Comment
  RSA0122961  Eriastrum sapphirinum subsp. sapphirinum C. W. Tilforth, W. Wisura 1979-8-8 1900 Riverside Garner Valley at Lake Hemet, Highway 74. 1326 Comment
  LA202468  Ericameria linearifolia Elizabeth McClintock; 1936-4-11 sn Riverside Ribbonwood, Pines to Palms Highway Comment
  UC527316  Ericameria linearifolia C. B. Wolf 1931-5-11 Riverside rocky ridges above Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  UCR163401  Ericameria linearifolia O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR100373  Ericameria palmeri var. pachylepis A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21616 Riverside Lake Skinner Reserve area, Crown Valley, east of Rawson Road 671 Comment
  SEINET2050489 Image available Ericameria paniculata Tony Beck 1968-4-28 6804286 Riverside 4 miles south of trout pond on White Water Canyon road. About 100 yds. E of road; Riversdale Dist. 549 Comment
  UC1279785  Ericameria paniculata W. G. Langenberg 1963-5-19 5 a Riverside near Palm Springs; Long Canyon 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
  UCR116031  Ericameria pinifolia G. R. Ballmer 1997-8-23 s.n. Riverside Jurupa Mtns, Colton Dunes, Declez 'Pass,' (= Pyrite Street pass through the mtns), south of Poplar Street in Fontana, c. 100 m south of the county line 335 Comment
  CAS-BOT-BC293300  Ericameria teretifolia Edmund C. Jaeger 1938-10-21 s.n. Riverside Joshua Tree Nat'l Monument, 12 miles south of Warren's Well 1280 Comment
  UCR160054  Erigeron breweri Steve Boyd, Valerie Soza 2004-6-22 11538 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  SDSU13672  Erigeron canadensis W. Miller with C. Mosse 1972-8-9 Riverside Comment
  RSA761998  Erigeron foliosus var. foliosus Patrick Garrett, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 77 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC87543  Erigeron foliosus var. foliosus A. W. Anthony 1895-7-15 Riverside San Jacinto Mountains 1828 Comment
  UCR117617  Erigeron foliosus var. foliosus Scott D. White 1997-5-25 5248 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  UCD132022  Erigeron strigosus var. strigosus Steve Morgan 1994-3-25 94 -1 Riverside in the UCR Botanic Garden. Comment
  CAS-BOT-BC189084  Eriodictyon crassifolium Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-27 269 Riverside Adjacent to and above stream below Andreas Canyon Club clubhouse, Andreas Canyon 304 Comment
  CAS-BOT-BC189087  Eriodictyon crassifolium Peter H. Raven 1959-4-23 14017 Riverside 1.2 miles W of Dripping Springs Comment
  POM320435  Eriodictyon crassifolium Greg Wright 1971-4-17 13 Riverside Corona Skyline Drive, Cleveland National Forest, SW of Corona. Before ascending the Mtns. Santa Ana Mts. 366 Comment
  RSA78296  Eriodictyon crassifolium P. A. Munz, E. K. Balls 1952-8-21 17993 Riverside grade south of Banning on Idyllwild road Comment
  UCR121135  Eriodictyon crassifolium June Latting 1973-9-1 s.n. Riverside San Jacinto Mountains, San Jacinto River canyon [near Strawberry Creek confluence] along Hwy-74 between Hemet and Mountain Center 1220 Comment
  SEINET10780802  Eriodictyon crassifolium var. crassifolium George Yatskievych, Michael D. Windham; Fay, Wei Li 2011-5-10 Yatskievych 11 -14 Riverside Ca. 6 mi NW of junction with State Highway 371 (in Anza) along Bautista Road, San Bernadino National Forest; sandy bench in drainage of Bautista Creek. 1100 Comment
  RSA601086  Eriodictyon trichocalyx A. C. Sanders, J. Goetzen 1996-5-1 18124 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  CAS-BOT-BC248632  Eriogonum apiculatum P. A. Munz; E. K. Balls 1952-8-21 17975 Riverside Santa Rosa Spring, Santa Rosa Mts. 2133 Comment
  RSA0093769  Eriogonum apiculatum Duncan S. Bell 2015-9-30 8686 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  SEINET4890189  Eriogonum apiculatum Louis Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  SD22474  Eriogonum davidsonii Susan G. Stokes 1933-7-1 Riverside Roadside near Idyllwild 1524 Comment
  UC6302  Eriogonum davidsonii H. M. Hall Aug. 1897 860 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley Comment
  RSA554244  Eriogonum deflexum var. deflexum Theo Glenn 1991-5-30 91 -120 Riverside Mule Mtns, 0.2 mi. E of the Opal Hill Mine, just N of the Imperial County line and W of Palo Verde. Comment
  SD229217  Eriogonum elongatum var. elongatum Dick Schwenkmeyer 2012-10-16 927 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  POM294039  Eriogonum fasciculatum var. polifolium Lyman Benson 1945-3-29 11643 Riverside 2 miles south of Whitewater. 366 Comment
  RSA297345  Eriogonum fasciculatum var. polifolium Larry E. DeBuhr 1977-2-20 2556 Riverside 1 mile below the Palm Springs Tramway Station, upper canyon on east side of Mt. San Jacinto. Comment
  RSA393347  Eriogonum fasciculatum var. polifolium N. C. Cooper 1949-6-29 4305 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  RSA509530  Eriogonum fasciculatum var. polifolium Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyon Road. 366 Comment
  RSA650879  Eriogonum inflatum Dick Crowell 1949-3-25 s.n. Riverside 15 miles east of Indio on Hwy 60. 1/2 mile off road. 457 Comment
  RSA338172  Eriogonum maculatum Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53580 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  CAS-BOT-BC270591  Eriogonum molestum Peter Kamb 1948-10-21 1273 Riverside Hll Canyon, San Jacinto Mts. 1645 Comment
  RSA393695  Eriogonum molestum N. C. Cooper 1944-7-16 1610 Riverside At trailside. San Jacinto Mt. above Pine Cove 2073 Comment
  RSA0048244  Eriogonum molestum var. davidsonii Louis C. Wheeler 1931-10-2 178 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 1371 Comment
  UCR272168  Eriogonum nudum var. pauciflorum Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8570 Riverside Santa Rosa Mountains, along Forest Service Road 7S02 c. 0.7 air mile west of the summit of Santa Rosa Mountain 2253 Comment
  UCR4237  Eriogonum pusillum K. S. Gill 1965-4-17 s.n. Riverside Sonoran (Colorado) Desert, Whitewater Canyon 5 mi north of Hwy 60 610 Comment
  CAS-BOT-BC253019  Eriogonum reniforme John H. Thomas 1957-3-30 6575 Riverside About 3 miles southeast of White Tank near the road to Cholla Cactus Garden about 20 miles northeast of Indio, Joshua Tree National Monument 883 Comment
  RSA0020370  Eriogonum thomasii Duncan S. Bell 2012-3-4 3129 Riverside Arica Mountains; west side of range, approximately 2.3 air miles west of Priests Well. 420 Comment
  UCR214878  Eriogonum thomasii A. C. Sanders 2010-3-23 37552 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  CAS-BOT-BC262868  Eriogonum thurberi James L. Reveal; C. Rose Broome 1987-6-27 6600 Riverside San Gorgonio Pass, along Esperanza Avenue at Almond Street south of Cabazon above the northern bank of the San Gorgonio River 541 Comment
  UC1785038  Eriogonum thurberi Marjorie Clary 1932-5-25 1036 Riverside Berdoo Canyon, Little San Bernardino Mountains 1158 Comment
  JOTR35361  Eriogonum trichopes Harding, Mitzi, M. Wheeler 2011-1-26 145 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, 0.5 mi west of Coxcomb Mountains, sandy burms above large wash (STOP2) 289 Comment
  RSA681033  Eriogonum trichopes Scott D. White, Michael Honer 2003-5-14 9265 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UC454346  Eriogonum wrightii I. J. Condit 1910-6-24 Riverside San Jacinto Mts. 914 Comment
  RSA735474  Eriogonum wrightii var. membranaceum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3573 Riverside Southern spur of Pine Meadow, southeast of Highway 371, northwest of Santa Rosa Summit. Survey north side of Highway 74. 1477 Comment
  SD232307  Eriogonum wrightii var. membranaceum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3573 Riverside Peninsular Ranges: San Jacinto Mountains region: Southern spur of Pine Meadow, SE of Highway 371, NW of Santa Rosa Summit; Survey north side of Highway 74. 1477 Comment
  UC69159  Erioneuron pulchellum H. M. Hall 1905-5-1 5961 Riverside canyons near Colorado River; Colorado Desert Comment
  UCR2827  Erioneuron pulchellum F. M. Reed 1927-1-5 5691 Riverside Sonoran (Colorado) Desert, Eagle Canyon, 5 miles east of Palm Springs, south of Cathedral City [= Cathedral Canyon?] 229 Comment
  POM357971  Eriophyllum confertiflorum Norman C. Cooper 1944-4-22 1123 Riverside Banning 701 Comment
  RSA33498  Eriophyllum confertiflorum Norman C. Cooper 1944-5-7 1184 Riverside Banning 701 Comment
  SD255647  Eriophyllum confertiflorum Mitch Provance 2012-5-24 512 08 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Silson St. 868 Comment
  SEINET2051097 Image available Eriophyllum confertiflorum R. P. Sunderman 1968-5-1 5 Riverside University of California, Riverside. 335 Comment
  UCR133401  Eriophyllum confertiflorum Tracy Tennant, J. S. Ross 1998-5-7 MOR- 106 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR174616  Eriophyllum confertiflorum Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 341 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  UCR177023  Eriophyllum confertiflorum Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR180696  Eriophyllum confertiflorum Mitch Provance 2003-4-26 9884 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UC1536860  Eriophyllum confertiflorum var. confertiflorum G. H. True Jr. 1935-3-15 104 Riverside Gavilan Hills 365 Comment
  POM305044  Eriophyllum multicaule Henry J. Ramsey, Henry J. Ramsey 1939-4-22 378 Riverside Hemet-Anza, Bautista Creek Road. Comment
  POM474458  Eriophyllum multicaule Martha Hilend 1928-4-8 s.n. Riverside Lake Elsinore, about 3 miles west of lake. Comment
  RSA516882  Eriophyllum multicaule Steve Boyd 1986-3-1 1365 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  RSA535084  Eriophyllum multicaule Steve Boyd 1991-5-20 6279 Riverside Santa Ana Mtns, NW of Lake Elsinore. Lower Rice Canyon, 0.9 miles E of Cleveland National for boundary. 500 Comment
  SEINET7073292  Eriophyllum multicaule A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR92348  Eriophyllum multicaule Scott D. White, T. Keeler-Wolf 1994-5-8 s.n. Riverside San Jacinto Mtns, Foothills, San Jacinto River wash at eastern edge of Valle Vista 549 Comment
  CAS-BOT-BC296927  Eriophyllum wallacei Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  POM358156  Eriophyllum wallacei Ora M. Clark 1929-2-23 1556 Riverside North of Whitewater Comment
  POM358161  Eriophyllum wallacei Martha Hilend 1928-3-10 68 Riverside Morongo Valley.between Colorado and Mojave Deserts Comment
  SD124900  Eriophyllum wallacei Scott Cantrell 1986-3-28 91 Riverside Desert Hot Springs, near Highway 62 and Indian Ave. 519 Comment
  RSA604865  Erodium botrys Scott D. White 1995-3-30 2634 Riverside Just west of Box Springs Blvd, east of Sycamore Canyon Park. 457 Comment
  UCR93090  Erodium botrys Scott D. White 1995-3-30 2634 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  SBBG120008  Erodium brachycarpum A. C. Sanders with M. Misenhelter 2005-3-23 29247 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  UCR100442  Erodium cicutarium B. G. Pitzer 1997-4-20 3206 Riverside Lakeview Mtns, Approximately 50 ft. east of intersection of Stagecoach Road with Juniper Flat Road. 534 Comment
  UCR272902  Erodium cicutarium Duncan S. Bell, Amanda Bell, Evan Bell (in utero) 2012-1-28 3067 Riverside Mojave Desert, east side of the Arica Mountains, Rice Valley, c. 6 air miles southeast of the ghost town of Rice 202 Comment
  UCR262456  Erodium texanum Stan C. Spencer 2001-4-13 s.n. Riverside Peninsular Range, edge of Wilson Creek, east of Sage Rd. near Radec 511 Comment
  RSA0019317  Erythranthe guttata G. R. Campbell 1951-5-30 16146 Riverside Canyon above meadow, Pine Meadow Ranch, southeast of Kenworthy. Comment
  SEINET8411978  Erythranthe microphylla G. R. Campbell 1948-7-3 606 Riverside 3 miles north of Dark Canyon, road between Idyllwild and Banning. Comment
  JOTR32898  Eschscholzia La Doux, Tasha 2008-2-4 2940 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  POM308634  Eschscholzia Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3215 Riverside Near Desert Center. Comment
  CAS-BOT-BC83130  Eschscholzia minutiflora L. A. Greata 1901-1-1 423 Riverside Coachella. Comment
  RSA0078687  Eschscholzia minutiflora Jim M. Andre 2015-3-2 31353 Riverside Along Kolbe Rd (dirt), northwest end of Coachella Valley at foot of Little SnBr Mtns, 0.2 mi. west of intersection between Hwy 62 and Indian Avenue (road to Desert Hot Springs), 2.3 mi. south of San Bernardino county line. 528 Comment
  RSA0118598  Eschscholzia papastillii Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7642 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  CAS-BOT-BC419622  Eschscholzia parishii Ynez Whilton Winblad 1937-4-22 s.n. Riverside Box Canyon Comment
  UC1202952  Eschscholzia parishii Peter H. Raven 1958-1-25 11478 Riverside Box Canyon Comment
  UC421604  Eschscholzia parishii John Thomas Howell 1928-3-25 3539 Riverside Painted Canyon Colorado Desert Comment
  UC855198  Eschscholzia parishii I. W. Clokey 1935-4-17 6628 Riverside Cottonwood Springs Comment
  UCR148448  Eschscholzia parishii John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 26 and 28, north of Hunters Spring, near S base of Orocopia Mtns. 21 Comment
  UCR167412  Eschscholzia parishii John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  RSA0023137  Eschscholzia parishii Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  UC1608073  Eucalyptus camaldulensis D. Goodward April 1987 30 Riverside Eucalyptus irrigation plot U.C. Riverside Moreno Valley Field Station (s. of Alessandro Blvd. near Nason St., Tree R45T6); Moreno Valley, U.C. Riverside Moreno Valley Field Station 457 Comment
  SDSU13534  Eucalyptus globulus W. Miller with C. Mosse Riverside Comment
  RSA704001  Eucrypta chrysanthemifolia Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 126 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On right spur of primary dirt road. 550 Comment
  SD130318  Eucrypta chrysanthemifolia Ed LaRue 1990-4-13 Riverside 0.t mile northwest of Aguanga, north of Highway 79 and west of Highway 371. 640 Comment
  UCR128565  Eucrypta chrysanthemifolia A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23906 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR214147  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37711 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.3 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 405 Comment
  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
  UC1424860  Eucrypta chrysanthemifolia var. chrysanthemifolia C. W. Tilforth 1978-4-30 1570 Riverside hills e Norco Comment
  SDSU14100  Eulobus californicus Jonathan S. Austin, Michael G. Simpson 2002-4-20 16 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river, Santa Margarita Ecological Reserve. 233 Comment
  HSC24947  Euonymus occidentalis var. parishii Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mtns. 1921 Comment
  POM261421  Euonymus occidentalis var. parishii J. C. Roos 1941-8-2 88 Riverside Dark Canyon. 2134 Comment
  SD233226  Euphorbia abramsiana Catherine MacGregor 2012-9-13 Riverside East of Blythe. Area where sheet-flowing water backed up and ponded next to an unpaved trail. 127 Comment
  UCR242866  Euphorbia abramsiana Catherine MacGregor 2012-9-13 s.n. Riverside Sonoran (Colorado) Desert, west of Blythe, 1.55 km E of Wileys Well Rd., 2.73 km south of I-10, 3.7 km NE of state prison 127 Comment
  SEINET255215  Euphorbia maculata R. D. Goeden, D. W. Ricker 1965-6-18 Riverside Riverside, north side of Blaine st. just west of Gaga Canal. 313 Comment
  UCR114025  Euphorbia maculata Mitch Provance 2000-6-24 2048 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR120426  Euphorbia maculata Mitch Provance 1998-7-23 912 E Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  SEINET4691939  Euphorbia micromera Duncan S. Bell 2012-1 4175 Riverside Rice Valley; east side of the Arica Mountians; approx 6 air miles southeast of the ghost town of Rice and Approx. 5.5 air miles east of Priests Well 202 Comment
  UCR233944  Euphorbia micromera Duncan S. Bell 2011-10-22 3000 Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  UC17652  Euphorbia palmeri H. M. Hall Jul 1901 2520 Riverside s side San Jacinto Mountains 1584 Comment
  UCR124637  Euphorbia polycarpa B. C. Templeton, I. W. Clokey 1930-4-9 1013 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR16344  Fagonia laevis J. Texera 1970-3-27 3 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  GMDRC5049  Fagonia pachyacantha J. Andre, G. L. Clifton 2011-2-22 17444 Riverside Mecca Hills: along Box Canyon Rd, 10.3 mi. NE of town of Mecca 219 Comment
  OBI53020  Fagonia pachyacantha Kathleen Keil 1993-3-27 s.n. Riverside 18 mi W of Chiriaco Summit along I-10 Comment
  RSA605772  Fagonia pachyacantha A. C. Sanders 1995-5-23 17115 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., N of Toro Cyn., W of Monroe St., S. of Ave. 62 15 Comment
  RSA747733  Fagonia pachyacantha Scott D. White, Justin M. Wood 2009-3-24 12573 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
  CDA22199  Fatoua villosa A. C. Sanders, S. Morgan 1994-10-7 15832 Riverside Riverside: UCR Botanic Garden. 0 Comment
  SBBG103914  Festuca microstachys var. microstachys S. D. White 1993-4-20 1216 a Riverside SE of Estelle Pk, Gavilan Hills 792 Comment
  UCR102191  Festuca myuros Jeri Hirshberg 1989-3-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta; small mesa SW of Mesa de Burro 579 Comment
  UCR207328  Festuca myuros O. F. Clarke 2000-4-27 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SEINET238915 Image available Festuca octoflora A. C. Sanders 1998-3-17 21744 Riverside Shipley/Skinner Reserve area: North Domenigoni Hills S of Hemet (Winchester. 7.5' Q.) 343 Comment
  RSA751920  Ficus carica Scott D. White, Justin M. Wood 2009-5-22 12924 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  RSA689557  Filago californica Scott D. White, Michael Honer 2003-4-25 9125 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  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
  UCR204229  Filago depressa Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1090 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  RSA479909  Filago gallica Steve Boyd 1987-5-9 2086 Riverside City of Riverside, J.V. Boyd residence, 2307 Oak Crest. Comment
  SD173101  Forestiera neomexicana Juergen Schrenk 2005-4-2 17 Riverside Northern Anza Borrego Desert, White Wash Comment
  RSA623949  Frankenia grandifolia var. campestris Arthur R. Kruckeberg 1940-12-7 4778 Riverside Cajulco Canon, near Elsinore Comment
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Mar 9 2013
  UCR114309  Frankenia salina Julie A. Greene 1993-4-30 1267 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area. north of San Jacinto River drainage. 433 Comment
  UCR182511  Frankenia salina Mitch Provance 2005-5-17 6563 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
  UCR133455  Fraxinus dipetala Tracy Tennant, J. S. Ross 1998-7-30 MOR- 674 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Hathaway Canyon, slope above and west of polygon H3. 976 Comment
  JEPS42940  Fraxinus velutina W. L. Jepson 1901-5-22 14599 Riverside near Van De Venter's; San Jacinto Mts., Palm Canyon Comment
  RSA717493  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR21312  Fremontodendron californicum W. W. Mayhew 1980-7-3 s.n. Riverside Santa Rosa Mtns, N slope of Santa Rosa Peak 1890 Comment
  POM182212  Funastrum cynanchoides var. hartwegii P. A. Munz 1932-4-24 12397 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  RSA0042855  Funastrum hirtellum Duncan S. Bell, LeRoy Gross 2014-3-20 6273 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UCR173869  Galium Scott D. White, Pam DeVries 2000-4-25 7730 Riverside Peninsular Ranges/ Perris-Aguanga Basin, Temescal Valley, Corona area: E foothills of the Santa Ana Mtns, just above citrus groves 518 Comment
  POM172216  Galium andrewsii subsp. andrewsii M. French Gilman 1928-5-27 1155 Riverside Banning. Comment
  UCR154830  Galium angustifolium A. C. Sanders, Mike Misenhelter 2005-3-23 29277 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR242664  Galium angustifolium A. C. Sanders 2013-7-6 40855 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  JEPS56072  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-17 4128 Riverside road from Banning to Idyllwild 2 mi n Lake Fullmore Comment
  POM367712  Galium angustifolium subsp. angustifolium Christopher Davidson 1973-4-1 1808 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  UCR260193  Galium angustifolium subsp. angustifolium Duncan S. Bell, Caitlin Elam 2013-5-21 4966 Riverside San Jacinto Mountains, southern side of West Ridge at the southern end of Strawberry Valley . 1.75 air me southwest of Idyllwild 1592 Comment
  RSA633329  Galium angustifolium subsp. jacinticum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38091 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UCD170417  Galium californicum subsp. primum D. O. Burge 2017-3-12 2224 Riverside Pine Cove area, roadside on Red Hill Road. 1720 Comment
  JOTR35471  Galium multiflorum Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-26 74 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1389 Comment
  UC1329872  Galium munzii James E. Cole 1941-5-30 829 Riverside Quail Mountain Joshua Tree National Monument 1584 Comment
  UCR116586  Galium murale A. C. Sanders 2001-5-10 24251 Riverside San Bernardino Valley region, Riverside, Blaine St. at RR tracks near intersection with Watkins Dr. 335 Comment
  RSA454423  Galium parishii E. C. Jaeger 1922-6-28 s.n. Riverside Tahquitz Valley. 2073 Comment
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May 29 2011
  POM284281  Galium porrigens Lyman D. Benson 1932-3-26 3179 Riverside Temecula Grade. Temecula Valley. 549 Comment
  POM301774  Galium stellatum J. Cole 1942-5-19 961 Riverside Ruby Lee Mine, Joshua Tree National Monument. 915 Comment
  POM67937  Galium stellatum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  JOTR30285  Garrya flavescens Bell, Mike, Kathleen White 2007-3-20 s.n. Riverside Joshua Tree National Park. Eureka Peak Comment
  UCR13739  Garrya flavescens N. R. Zabriskie, W. W. Zabriskie 1972-10-22 545 Riverside Santa Rosa Mtns, N slope of mountains, by Cactus Spring Trail crossing of Horsethief Creek, tributary to Deep Canyon. (Site 13) 1098 Comment
  OBI14155  Garrya fremontii Carl B. Wolf 1939-1-20 9485 Riverside Santa Ana Mts E side, along Eagle Motor Way, 1 mi below summit 914 Comment
  RSA748224  Garrya veatchii T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 115 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  UC1930076  Gastridium phleoides Scott D. White, Michael Honer 2003-5-27 9414 Riverside Gavilian Hills / Temescal Canyon: Hils and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake Street exit. Collected south and/or west of unnamed peak 2349. (Lake Elsiniore & adjacent Alberhill) Comment
  CLARK-A1528-4674  Gastridium ventricosum John C. Roos 1965-6-30 Riverside Santa Ana Mountains Comment
  UC729832  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1932-8-5 3932 Riverside Devils Slide Trail from Idyllwild to Tahquitz Valley (summit); San Jacinto Mts. 2438 Comment
  CHSC23885  Geraea canescens T. M. Lane 1975-3-24 3 Riverside In a wash, 1 mi n of US Interstate 10 at s entrance of Joshua Tree National Monument on Pinto Basin Rd. Mojave Desert. 533 Comment
  POM358659  Geraea canescens Emery M. Whilton 1937-1-16 s.n. Riverside Taken at La Quinta, Coachella Valley. Comment
  RSA789494  Geraea canescens Wilma Griset 1931-3-28 78 Riverside Colorado Desert (Edon). [Edom?] Comment
  SD152832  Geranium carolinianum Steve Boyd 1992-4-15 6875 Riverside San Mateo Canyon Wilderness Area; Bluewater Trail, downstream to the confluencde with San Mateo Creek. 334 Comment
  RSA680565  Gilia Scott D. White, Michael Honer 2003-4-30 9130 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  RSA678422  Gilia angelensis Michael Wall 2003-4-15 264 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  UCR111560  Gilia angelensis Mitch Provance 1998-5-4 1709 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', above the Ormand Quarry, c. 1.5 km west of peak 1739 366 Comment
  RSA0094785  Gilia capitata Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7937 Riverside San Gorgonio Pass area, between Cabazon and Whitewater, just south of Interstate 10, where the Pacific Crest Trail passes under the freeway. 397 Comment
  UCR265818  Gilia capitata Mitch Provance 2012-5-24 512- 08 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
  UC60876  Gilia capitata subsp. abrotanifolia H. M. Hall Apr., 1903 3844 Riverside Morena Valley Comment
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Jul 6 2010
  SEINET12279063  Gilia dianthoides H. M. Hall 1902-1 2942 Riverside vicinity of Riverside, in the Sonoran Zone 366 Comment
  RSA171358  Gilia diegensis J. D. Olmsted 1962-5-3 3530 Riverside Santa Rosa Indian Reservation, following SW flank of mountains; 1/2 mi. SE of turn up to old Indian Village. 1768 Comment
  UC126043  Gilia diegensis D. Cleveland 1882-5-3 Riverside Temecula Comment
  JEPS4119  Gilia ochroleuca subsp. exilis W. L. Jepson 1939-4-17 19132 Riverside Twin Sprs. , Twin Sprs. (Temescal Canyon) Comment
  RSA0016239  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4983 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
  UCR280974  Gilia ochroleuca subsp. exilis Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 76 Riverside Temescal Valley, Indian Wash, NE of I-15 and S of Temescal Canyon Rd. 351 Comment
  UCR103313  Gilia stellata George K. Helmkamp 1998-4-4 3175 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  UCR114124  Gilia stellata B. G. Pitzer, J. Ross 1998-3-8 3608 .1 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR169781  Gilia stellata Scott D. White, Jennifer H. Jones 2005-5-24 11106 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  RSA712687  Glinus lotoides A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27909 Riverside Peninsular Range: Alberhill Mountain, SE of old clay mining area. 448 Comment
  RSA623566  Glyceria declinata A. C. Sanders, S. Hawkins 1996-4-24 18088 Riverside Morongo Indian Reservation, Vicinit of natural pond & bog at SE sdge of Burro Flats. 1098 Comment
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Dec 18 2009
  SD146272  Glycyrrhiza lepidota A. C. Sanders, Mitch Provance and B. Pitzer 2000-9-27 23678 Riverside Southwest side of Mt. Rubidoux, northwest of intersecdtion of Tequesquite Ave. and Gregory Rd., nbear confluence of Arroyo Tequesquite and the river. 231 Comment
  UCR99575  Glycyrrhiza lepidota G. R. Ballmer 1996-5-19 s.n. Riverside E of Murrieta: near margin of Warm Springs Creek, adjacent to Hwy I-15 right-of-way. 366 Comment
  UCR138833  Gnaphalium californicum D. L. Banks 1997-4-5 1671 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  RSA192004  Gnaphalium luteoalbum E. W. Lathrop 1966-4-13 6166 Riverside 3 miles NW of Murrieta Comment
  SD137879  Gutierrezia sarothrae Darin L. Banks, Steve Boyd 1995-10-26 827 Riverside Northwest Palomar Mountains; Cleveland National Forest, west of the Wo odchuck Trail lat the first grassland area along trail. 740 Comment
  UCR34925  Gutierrezia sarothrae L. B. Ziegler 1964-8-25 016 Riverside San Jacinto Mountains, Garner(Hemet) Valley. Valley floor in Kenworthy area. 1418 Comment
  UCR92154  Gutierrezia sarothrae D. L. Banks, Steve Boyd 1995-10-26 0827 Riverside NW Palomar Mtns., Agua Tibia Mts., Cleveland Nat'l Forest, west of the Woodchuck trail. 0.8 mi from Wilderness Boundary 744 Comment
  UCR109456  Haplopappus acradenius A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19659 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  UCR174462  Harpagonella palmeri A. C. Sanders 2006-5-19 32379 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UC32217  Helenium bigelovii H. M. Hall 1897-8-13 848 Riverside San Jacinto Mt. 1828 Comment
  POM308572  Helianthemum scoparium var. vulgare Henry J. Ramsey, Henry J. Ramsey, Don Ramsey 1940-3-15 3245 Riverside Aguanga. (north of Riverside Co.) Comment
  RSA0016907  Helianthemum scoparium var. vulgare Anonymous 1907-05 s.n. Riverside Wilder's [Ranch], near Riverside Comment
  UCR274542  Helianthus annuus subsp. lenticularis Mitch Provance, Ken Halama 2003-6-15 17063 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA0012941  Helianthus californicus Scott D. White 2003-10-9 9816 Riverside Pine Cove. Lily Creek just north of crossing at Hwy 243. 1738 Comment
  RSA0012940  Helianthus californicus I. W. Clokey, E. G. Anderson 1935-8-21 6934 Riverside North fork, San Jacinto River. 1500 Comment
  SEINET5711055  Helianthus californicus Lowell E. Urbatsch, Jim Grace; Sue Grace 1995-1 7094 Riverside Road to Idyllwild from Banning, ca. 5.5 miles from the south edge of Banning along CA 243; San Bernardino National Forest.; Banning 1219 Comment
  POM17800  Helianthus gracilentus P. A. Munz 1923-6-14 7060 Riverside Glen Ivy Trail to Santiago Peak 1219 Comment
  SD245271  Helianthus gracilentus R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49536 Riverside Santa Ana Mountains: along Ortega Highway (74). Comment
  SEINET1004954  Hemizonia kelloggii Mitch Provance 2005-1 9811 Riverside Nochols road wetland area t Alberhill Creek, S 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
  UCR176887  Hemizonia kelloggii Tracy Tennant 1998-7-1 s.n. Riverside San Jacinto Valley, SE of Winchester, 'North Hills', at south end of California Ave. 457 Comment
  UCR132838  Hemizonia mohavensis A. C. Sanders, Steve Boyd, Jeff Ross, , Mitch Provance 1998-10-25 22275 Riverside San Jacinto Mtns., along entrance road to McCall Memorial Park, c. 0.5 mi. west of Mountain Center 1355 Comment
  UCR88422  Hemizonia mohavensis Jeri Hirshberg 1995-9-13 s.n. Riverside San Jacianto Mtns., drainage crossing Twin Pines Ranch Road, c. 1/2 mi NW of Twin Pines Ranch Boundary, c. 1/4 mi NW of Hill 3831 1098 Comment
  SEINET2047161 Image available Hemizonia paniculata Howard Scott Gentry 1948-7-20 8177 Riverside Gentry Farm, ca. 3 mi NE of Murrieta. Comment
  UCR90423  Hemizonia paniculata D. L. Banks, Steve Boyd 1995-10-26 0829 Riverside NW Palomar Mtns., Agua Tibia Mtns; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, at the large grassland area along the upper trail. Approx. 1.6 mi from the Wilderness boundary 939 Comment
  RSA532585  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney 1989-6-13 1924 Riverside Domenigoni-Diamond Valley, in an open ditch just east of Gateway farms. The site is just south of Newport Rd, at the Newport and Lucas Rd interesection. 517 Comment
  UCR162935  Hemizonia pungens subsp. laevis Fred M. Roberts, D. E. Bramlet 2005-4-1 6146 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  UCR59918  Hemizonia pungens subsp. pungens Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, c. 1 mi south of Hwy 60 on Nason St. Adjacent to W side of Nason, south of Dracaea Ave. Comment
  UCR133332  Herniaria hirsuta subsp. cinerea John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR211704  Herniaria hirsuta subsp. cinerea Fred M. Roberts, Kerry M. Byrne 2006-5-4 6331 Riverside Perris-Agunaga Basin, West Hemet Hills, 1.0 km northeast of the junction of Stowe and Winchester Roads 470 Comment
  RSA559362  Heterocodon rariflorum Steve Boyd, Timothy S. Ross, Dave Bramlet 1993-5-13 7380 -B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  RSA0075887  Heterotheca grandiflora Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  SD136915  Heterotheca grandiflora Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7675 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. Comment
  UCR176668  Heterotheca grandiflora G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  UCR94952  Heterotheca sessiliflora subsp. echioides Scott D. White 1996-8-15 4473 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  JEPS43059  Heuchera hirsutissima Carl V. Meyer 1928-7-27 551 Riverside at summit of Mt. San Jacinto (San Jacinto Peak); San Jacinto Mountains 3293 Comment
  SD3007  Hibiscus denudatus Fidella g. Woodcock 1928-4-27 Riverside Road to Andreas Canyon. Comment
  POM48033  Hieracium albiflorum P. A. Munz, I. M. Johnston 1924-7-27 8750 Riverside Dark canyon 1982 Comment
  SEINET188385 Image available Hilaria rigida C. L. Hitchcock 1940-4-3 5934 Riverside Joshua Tree NM ; 1 1/2 mi NE of Cottonwood Spring along 29 Palms Rd Joshua Tree Nat Monument Comment
  SEINET3011912 Image available Hilaria rigida A. C. Sanders 2010-3-23 37544 Riverside Sonoran (Colorado ) Desert; Chuckwalla Valley, at SW foot of Palen Mountains (Sidewinder 7.5' Q.). 130 Comment
  SEINET10933655  Hilaria rigida David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2871 Riverside Pushawalla Canyon, Indio Hills. On dry plateau. Channel 1/2 mi NW. Comment
  CAS-BOT-BC207560  Hoffmannseggia microphylla R. H. Peebles; H. F. Loomis 1930-4-6 190 Riverside Near Shavers Well Comment
  RSA0125269  Hoffmannseggia microphylla Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8757 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  RSA674575  Hoffmannseggia microphylla Scott D. White, Brian Leatherman 2000-10-5 8135 Riverside Near Berdoo canyon: Northeast of Dillon Rd., just S of mouth of Berdoo Canyon. On the S-facing bajada of the Little San Bernardino Mts. 183 Comment
  UCR220341  Hordeum D. E. Bramlet 1991-5-7 2122 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  CAS-BOT-BC174030  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
  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
  SD262166  Hordeum depressum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 19 Riverside Elsinore Trought: Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, A+- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  UCR140309  Hordeum depressum A. C. Sanders 2004-4-9 27478 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  UCD169405  Hordeum intercedens A. C. Sanders; T. B. Salvato 2011-4-4 38974 Riverside Peninsular Range, Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. and Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  UCR136257  Hordeum marinum A. C. Sanders 2004-4-20 27564 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR75532  Hordeum marinum subsp. gussoneanum A. C. Sanders 1993-5-12 14002 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  UCR41803  Hordeum murinum A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6035 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  RSA121044  Hordeum murinum subsp. glaucum J. T. Howell 1956-3-19 31117 Riverside San Jacinto. Comment
  CAS-BOT-BC148570  Horkelia clevelandii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  HSC79039  Hornungia procumbens A. C. Sanders 1985-3-7 5403 Riverside San Jacinto Valley, salt scald in barley fields 0.25 mi. S of the intersection of Bridge St. and Gilman Springs Rd. 457 Comment
  UC1478708  Hulsea heterochroma C. W. Tilforth and B. Busenberg 1980-6-10 1986 Riverside 2.2 mi in on n leg Thomas Mtn. Rd. (w of Hwy 74 and s of Lake Hemet) Comment
  LA203770  Hulsea vestita subsp. callicarpha Jonathan Sauer; H. Walter 1980-5-17 280 Riverside James San Jacinto Mountains Reserve, Near Lake Fulmor Comment
  POM11429  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-3 5960 Riverside S slopes of Santa Rosa Mts. 1676 Comment
  RSA650972  Hymenoclea salsola D. Geisinger, E. Baldwin 1959-3-23 s.n. Riverside Palm Springs. Comment
  RSA0054852  Hymenoclea salsola W. Marquart 1938-3-12 s.n. Riverside Twenty mi. West of Blythe. Comment
  POM2920  Hypericum androsaemum I. M. Johnston 1916-08 s.n. Riverside Strawberry Valley Comment
  SD140187  Hypochaeris glabra Scott White 1993-4-22 1230 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  RSA420170  Hyptis emoryi N. C. Cooper 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  RSA758325  Hyptis emoryi Doug Goldman 2005-3-3 3029 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  UCD124927  Hyptis emoryi G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
  UCR274851  Hyptis emoryi Aaron C. Sedgwick, David Fraker 2012-4-24 07 Riverside Sonoran (Colorado) Desert, Palen Valley south of Hwy I-10 on Dupont Road, c. 2 miles northeast of the Chuckwalla Mountains Wilderness Area 183 Comment
  UCR74381  Hyptis emoryi Theo Glenn 1991-5-2 91- 21 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  SEINET10836950  Hyptis emoryi David B. Dunn 1948-2-21 Dunn 3657 Riverside Found in wash; a rain about two weeks earlier. Pushawalla canyon, indio hills of the colorado desert; w of indio. Comment
  UCR265615  Iberis umbellata Ling-Hsuan Kung 2011-6-1 014 Riverside Big Spring Mountains, in Moreno Valley off of the Pigeon Pass Road 586 Comment
  RSA356636  Isoetes howellii R. F. Thorne, Earl Lathrop 1975-5-20 45542 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  CLARK-A1045-339  Jepsonia parryi George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Bautista Road; Hemet 15'Q Comment
  POM47847  Jepsonia parryi H. Baer 1923-11-5 s.n. Riverside Rice Canyon, Elsinore. Comment
  UCR210  Juglans californica Eugene Cardiff 1950-3-15 s.n. Riverside San Bernardino Valley Region, Jurupa Hills [=Jurupa Mtns.] 518 Comment
  RSA751412  Juglans hindsii R. E. Riefner Jr., K. Campbell 2007-5-19 07 -211 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca. 1.5 mi W of I-15 Fwy. 298 Comment
  CAS-BOT-BC110075  Juncus acutus S. B. Parish 1907-4-22 6146 Riverside Western border of the Colorado Desert. Palm Canon [Canyon]. 200 Comment
  UCR237513  Juncus acutus subsp. leopoldii Amber Swanson, Duncan S. Bell 2011-3-11 214 Riverside Mojave Desert, Coachella Valley Preserve, Willis Trail, Willis Palm Oasis near spring off Thousand Palms Road 104 Comment
  UCR259224  Juncus arcticus Mitch Provance 2012-4-20 412- 07 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  UCR108825  Juncus balticus O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  HSC101589  Juncus bufonius Steve Boyd, G. D. Wallace 2005-7-30 11643 Riverside Peninsular Ranges; San Jacinto Mountains region; San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2652 Comment
  POM14372  Juncus bufonius Phillip A. Munz 1922-5-5 5160 Riverside 0.5 mile north of March Field [March Air Force Base]. Comment
  UCR139058  Juncus bufonius var. bufonius Julie A. Greene 1993-4-17 1198 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 Comment
  UCD141501  Juncus effusus subsp. austrocalifornicus Louis C. Wheeler 1931-10-3 189 Riverside Strawberry Valley, San Jacinto Mountains. 1584 Comment
  UC842783  Juncus macrandrus Crawford and Johnston 1917-6-9 1232 Riverside near Corona; Santa Ana River Comment
  SD122852  Juncus macrophyllus Steve Boyd 1985-7-23 1020 Riverside DeLuz Road, 8 miles west of Rancho California, side canyon of Sandia Creek, in wet sand along stream. 305 Comment
  CHSC106635  Juncus rugulosus P. F. Zika; Nick Otting 2010-8-3 25250 Riverside Lake Fulmor, above Route 243, Hall Canyon, Black Mountain, San Jacinto Mountains. 1650 Comment
  RSA621443  Juncus textilis Darin L. Banks 1997-11-15 2193 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. 549 Comment
  UCR125764  Juncus textilis A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25659 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 Comment
  UCSB45480  Juncus tiehmii Ertter, Barbara; Strachan, Jeffrey 1979-6-26 Riverside Kenworthy Forest Station on Hwy 74 in Garner Valley; San Jacinto Mts; T6N R3E Sec 25/36 adjacent to type collection Comment
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Mar 25 2011
  RSA598424  Juniperus californica F. C. Vasek 1963-3-31 630331 -3 Riverside Small valley in a canyon just south of highest peak in Coxcomb Mountains. 1067 Comment
  UCR20717  Juniperus californica A. C. Sanders, S. D. Boyd 1980-5-2 1424 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  JEPS9204  Justicia californica Marjorie D. Clary 1932-12-15 1732 Riverside Bajada 2 mi. w. of Coral Reef Ranch; Colorado Desert, Santa Rosa Mts., Coachella Valley 91 Comment
  LA202787  Justicia californica B. Lewis; 1939-4-9 sn Riverside Palms to Pines Highway 152 Comment
  POM254740  Justicia californica P. A. Munz 1940-3-24 15692 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 Comment
  RSA402292  Justicia californica P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs Comment
Read comments
Nov 5 2011
  SEINET10437453 Image available Justicia californica Richard Walker 1967-4-30 59 Riverside Palm Desert on south side of Carriage Road ca 2 miles east of state highway 74 (Pines to Palms Highway) Comment
  CDA28517  Kallstroemia californica W. E. Henson Nov 1937 Riverside Blythe. 0 Comment
  RSA0104499  Kallstroemia parviflora Duncan S. Bell, Sarah DeGroot 2015-9-21 8645 Riverside Santa Rosa Mountains; north side of Asbestos Mountain, approximately 0.5 air mile east of Potrero Spring. 1147 Comment
  CLARK-A1528-1225  Keckiella antirrhinoides Sherri Stange 1980-5-31 Riverside Hemet 518 Comment
  RSA401732  Keckiella antirrhinoides Christopher Davidson, B. Gustafson 1977-4-7 5588 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  RSA424826  Keckiella antirrhinoides George R. Johnston 1934-3-27 18068 Riverside Near Wildomar. Comment
  RSA503492  Keckiella antirrhinoides Frederick W. Oettinger 1969-4-9 865 Riverside San Bernardino Mts., Whitewater Canyon: c. 10 mi. NNW of Palm Springs. Comment
  UCR30791  Keckiella ternata A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3867 Riverside San Jacinto Mtns., Mt. Edna Road, 0.2 mi west of Hwy 243, about 5 mi above Banning. 1067 Comment
  SBBG11771  Keckiella ternata subsp. ternata D. E. Breedlove 1961-8-5 939 Riverside Riverside Hwy 1, 0.2 mi SW of Fuller Mill Crk 1645 Comment
  VVC2010  Koeberlinia spinosa var. tenuispina Corey Mitchell 2010-4-19 s.n. Riverside Colorado Desert, 6.5 miles north of Desert Center 201 Comment
  RSA396457  Koeleria macrantha Dave Kelly, Walter Wisura 1987-6-19 4166 Riverside 7.3 miles from Highway 74 along Thomas Mountain Road, S of Lake Hemet Comment
  CAS-BOT-BC273673  Koeleria pyramidata H. M. Hall 1901-6-1 2376 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  JOTR34022  Krameria bicolor La Doux, Tasha, M. Harding 2010-4-7 2909 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  RSA20295  Krameria erecta Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9560 Riverside 1 mile below Cottonwood Springs Comment
  RSA409440  Krameria erecta George B. Grant 1906-05 6786 Riverside Palm Springs Comment
  UC1080461  Krameria erecta P. C. Everett and E. K. Balls 1958-4-29 23030 Riverside along rd from Desert Center to Vidal Jct. 21.9 mi sw Rice 548 Comment
  JOTR30100  Krameria grayi La Doux, Tasha, Alice Miller 2007-5-31 1775 Riverside Joshua Tree National Park. Stop 1: Cottonwood Springs/Oasis; slope above oasis along visitor walkway to parking lot. 893 Comment
  RSA0011208  Krameria grayi Roxana S. Ferris 1928-4-22 7196 Riverside Edge of mesa in the Colorado River opposite Parker. Comment
  UCR20700  Lamarckia aurea A. C. Sanders, Steve Boyd 1980-5-2 1423 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR2508  Lamarckia aurea F. M. Reed 1926-3-10 5270 Riverside Riverside 229 Comment
  UCR72159  Langloisia setosissima Theo Glenn 1991-5-7 91- 88 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 365 Comment
  UC909089  Langloisia setosissima subsp. setosissima Herbert L. Mason 1928-3-10 4204 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  CAS-BOT-BC170702  Larrea tridentata Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  LA209866  Larrea tridentata Miss Helflaud; March 1925 8723 Riverside Palm Springs Comment
  UCR261451  Larrea tridentata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41448 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR90269  Larrea tridentata F. M. Reed 1917-5-19 3943 Riverside Western Colorado Desert, Palm Canyon, near Palm Springs 152 Comment
  RSA593997  Lastarriaea coriacea D. L. Banks, Elizabeth Hedge Banks 1996-5-2 940 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
  CAS-BOT-BC338912  Lasthenia californica Scott D. White; Julie Greene 1997-3-12 4774 Riverside Perris Basin, W Riverside Co. Sun City: Near I-215 Freeway, S of Perris and N of Menifee. Low hills E of Bavaria Dr. 490 Comment
  RSA12916  Lasthenia coronaria C. B. Wolf 1935-4-7 6306 Riverside 2 mi. SW of Perris. 427 Comment
  RSA522764  Lasthenia coronaria Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3871 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
  SBBG55772  Lasthenia coronaria D. Keil, M. McLeod 1977-3-26 12010 -1 Riverside Hwy 71, 8 mi NW of Lake Elsinore St Recreation area 365 Comment
  SEINET2053253 Image available Lasthenia coronaria Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi. S of intersection with Wilson Valley Road. Sage 7.5' quad. 701 Comment
  UCR172198  Lasthenia coronaria 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
  CAS-BOT-BC328106  Lasthenia glabrata subsp. coulteri D. Bramlet 1992-4-9 2221 Riverside 2.6 km W of Lakeview and 15 m to 100 m E of the San Jacinto River and just W of an existing dirt access road. The site is approx. 440 m S of the MWD easement road. 433 Comment
  RSA502915  Lasthenia glabrata subsp. coulteri Ed LaRue 1989-4-7 s.n Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  POM13209  Lasthenia gracilis P. A. Munz, I. M. Johnston 1920-5-20 5452 Riverside Hemet Valley, San Jacinto Mts 1372 Comment
  UCR140447  Lasthenia gracilis A. C. Sanders, Guy Bruyea 2004-4-2 27425 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  CSUSB1273  Lathyrus laetiflorus Steve Kulju 1974-5-16 Riverside Santa Ana Mountains Murrieta. Tenaja Road, 1.5 miles from Washington Ave. Comment
  RSA406640  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1944-4-22 1130 Riverside Banning 701 Comment
  JEPS55283  Lathyrus vestitus var. alefeldii W. L. Jepson 1901-5-19 1279 Riverside Strawberry Valley, Mt. San Jacinto 1676 Comment
  SDSU14267  Lathyrus vestitus var. alefeldii Ryan Jacobson, Jeremy Mass 2000-4-19 8 Riverside Santa Margarita Ecological Reserve. Near west bank of Stone Creek, about 1 mile north east of south-side facility. 177 Comment
  JOTR33966  Layia glandulosa La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2852 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  CAS-BOT-BC379628  Layia platyglossa L. R. Abrams 1935-4-7 13669 Riverside Gavilan Hills, 2 mi. SW of Perris Comment
  JEPS40023  Layia platyglossa W. L. Jepson 1901-5-20 1322 Riverside Thomas Valley (prob. Garner Valley); Mt. San Jacinto Range 1341 Comment
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Feb 16 2013
  UCR182347  Layia platyglossa Mitch Provance 2005-5-17 6551 A 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
  POM4861  Layia platyglossa subsp. campestris P. A. Munz 1918-4-27 2152 Riverside Near Corona. Comment
  CAS-BOT-BC534385  Lemna gibba R. F. Thorne; E. Lathrop 1969-6-6 39344 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  SD117843  Lemna minor Wayne P. Armstrong 1985-6-29 1240 Riverside Creek at northeast end of Fulmor Lake, on Highway R 1, northwest of Idyllwild. 1524 Comment
  RSA588600  Lemna minuta Darin L. Banks, Steve Boyd 1995-10-17 811 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns to the E, just W of the Metasedimentary hills. 524 Comment
  UCR143141  Lepidium dictyotum var. acutidens D. E. Bramlet 1997-3-13 2493 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Nichols Road Wetlands, c. 275-335m SE of Nichols Road, 91m west of Collier Ave. and 196-305 m west of the I-5, east of the dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  UCR202049  Lepidium dictyotum var. acutidens Karin Cleary-Rose 1998-3-6 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Palmieri property, 25 acre parcel in western Hemet, south of Hwy 74, west of Warren Rd, directly east of the San Diego Aqueduct and c. 500 ft. east of Salt Creek, north of Stetson Ave. 527 Comment
  UCSB2386  Lepidium fremontii Bobkowski, Vincent 1960-4-2 Riverside 60 yards south of Southern Entrance to Joshua Tree National Monument; off U.S. 60-70 (near intersection of 60-70 with Calif. 195) Comment
  UCR218317  Lepidium fremontii var. fremontii Jim Andre, T. La Doux 2009-3-10 11247 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  RSA718298  Lepidium lasiocarpum Michael Honer, L. Hulse 2004-4-2 1879 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  UCR249507  Lepidium lasiocarpum T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7285 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
  UCR245260  Lepidium lasiocarpum subsp. lasiocarpum Jim Andre 2012-3-19 21307 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  SD231267  Lepidium latifolium Scott D. White 2003-6-9 9254 Riverside Perris Basin: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  UCR60563  Lepidium latifolium Don Mitchell 1990-1-3 s.n. Riverside Woodcrest, south of Van Buren and west of Washington Comment
  UCR112320  Lepidium latipes A. C. Sanders, K. C. Rose 1998-5-21 21865 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
  SEINET3523568 Image available Lepidium nitidum A. R. Gillogly 1966-3-19 Riverside 19 miles east of Indio on Highway 60. Comment
  UCR26523  Lepidium pinnatifidum A. C. Sanders, S. Hagopian 1981-5-20 1258 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  UCR116428  Lepidium strictum A. C. Sanders 2001-5-1 24068 Riverside San Bernardino Valley region, Riverside, UCR campus 335 Comment
  SBBG34199  Lepidium virginicum T. L. Secrest 1951-5-20 Riverside Idyllwild 1524 Comment
  RSA673718  Lepidium virginicum var. pubescens Scott D. White, W. La Haye 2000-5-27 7951 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR106731  Lepidium virginicum var. robinsonii John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR174372  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32656 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
  RSA736173  Leptochloa fusca subsp. uninervia Scott D. White, Justin M. Wood 2008-5-13 11956 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  CAS-BOT-BC274376  Leptochloa panicea subsp. brachiata Malcom A. Nobs; S. Galen Smith 1948-9-3 489 Riverside 2 miles north of Indio Comment
  RSA698320  Leptosiphon floribundus Jeanne Paxton 1934-4-15 s.n. Riverside Hagador Canyon Comment
  SD137680  Leptosiphon floribundus subsp. glaber Darin L. Banks, Steve Boyd 1995-4-5 157 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, east of the Dripping Springs Trail in the north flowing drainage that empties into Arroyo Seco. 548 Comment
  UCR274211  Leptosiphon floribundus subsp. hallii Duncan S. Bell 2014-11-14 7704 Riverside Santa Rosa Mountains, Santa Rosa Mountain Wilderness area, west side of Martinez Mountain, at meeting point of Horsethief Creek and the Cactus Spring Trail 1055 Comment
  RSA748056  Lewisia rediviva Justin M. Wood 2009-5-11 691 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  RSA781835  Leymus condensatus Michael Wall 2011-8-5 611 Riverside Along Bautista Canyon Rd., confluence of unnamed canyon ca. 1.5 miles SE of jct. with Fairview Ave. 629 Comment
  SDSU1091  Leymus condensatus A. H. Gallup 1948-6-12 226 Riverside San Jacinto Mt. Road from San Jacinto. 835 Comment
  UCR40359  Limnanthes gracilis subsp. parishii Tom Griggs, E. W. Lathrop 1985-3-3 2 Riverside Santa Rosa Plateau, Mesa de Colorado, on The Nature Conservancy Preserve, 4 mi. west of Murrieta Comment
  CDA18026  Limnobium laevigatum J. Chandler 1999-7-3 PDR 1243886 Riverside In outdoor pond, approx. 1/4 acre in Desert Lawn Cemetary, Desert Lawn Dr., Calimesa. 0 Comment
  UCR224368  Limonium duriusculum Justin M. Wood 2010-5-19 1843 Riverside Santa Ana Canyon, Santa Ana River, c. 1.4 mi downstream of Prado dam outlet, just northwest of Green River Housing Estate 131 Comment
  UCR234281  Limonium sinuatum A. C. Sanders 2012-4-12 40029 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, near El Hermano Rd. 312 Comment
  RSA468466  Linanthus californicus Ora M. Clark 1929-2-24 1536 Riverside N slope of San Jacinto S of Cabazon Comment
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Nov 9 2011
  CLARK-A1045-673  Linanthus ciliatus George K. Helmkamp 1977-5-21 Riverside San Jacinto Mountains forest west of Pine Cove; Palm Springs 15'Q Comment
  RSA550019  Linanthus dianthiflorus subsp. dianthiflorus W. Wisura, A. King, Lydia Newcomb 1992-4-10 4678 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  POM96830  Linanthus dianthiflorus subsp. dianthiflorus F. M. Reed 1926-5-8 5311 Riverside Rocky hills on highway south of Perris. Comment
  JOTR36429  Linanthus jonesii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 678 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  UCR85241  Linanthus jonesii A. C. Sanders, P. J. MacKay, C. L. Sanders, M. Jacobsmyer 1995-3-5 15996 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  RSA673729  Linanthus lemmonii Scott D. White, Bill La Haye 2000-5-27 7963 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA761099  Linanthus lemmonii Thomas Stoughton, J. McConnaughy, Andrew Monks, M. Volke 2010-3-31 116 Riverside PCT Trail. W of White Water Canyon. N of jct of I-10 and Rte 111. 740 Comment
  UCR48529  Linanthus lemmonii Steve Boyd 1986-4-19 1696 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  RSA751425  Linanthus liniflorus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35577 Riverside May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1560 Comment
  RSA554129  Linanthus maculatus George K. Helmkamp 1992-4-16 92 -4 Riverside Coachella Valley, soft, sandy bench of Mission Creek, 0.4 miles S of Indian Ave. on old Hwy 62. [A few scattered plants found on N side of Mission Creek between Hwy 62 & old Hwy 62, but none S of creek or W of Hwy 62.] 20 Comment
  SD231406  Linanthus maculatus J. Mark Porter, Sarah DeGroot 2005-3-9 14246 Riverside East of State Route 62, on paved road between Peirson Blvd. and Indian Ave., north of the Metropolitan Water District Resevior, Morongo Valley. On both sides of the roads. 486 Comment
  UCR1629  Linanthus parviflorus Leland R. Dykes 1962-5-1 48 Riverside Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Rd, c. 11 mi. west of Palomar Road [=Washington Ave.] in Murrieta [vicinity of Tenaja Guard Station] 610 Comment
  UCR116851  Linaria canadensis var. texana A. C. Sanders, Steven R. Hill 2001-5-4 24142 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
  UCR182995  Linaria canadensis var. texana Mitch Provance 2003-5-5 4402 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA435723  Linum lewisii N. C. Cooper 1944-5-6 1207 Riverside Whitewater Canyon. 457 Comment
  UCR8101  Linum lewisii B. Freeman 1969-6-14 690614- 3 Riverside San Jacinto Mtns, University of California, Riverside's James Reserve, road from Banning to Idyllwild, near Lake Fulmor. Trailfinder's Camp. 1646 Comment
  RSA645548  Linum usitatissimum S. J. Myers 1996-1-16 s.n. Riverside Perris Basin: 2 mi. NE of Perris, flood control channel between Perris Blvd. and Murrieta St., parallel to Nuevo Rd. ca. 1/4 mi. north., [UTM 10 km: MH-7 & 8E, 4N. March AFB & Bernasconi Hills] 442 Comment
  CAS-BOT-BC111980  Lipocarpha occidentalis Frederick Morris Reed 1908-7-12 2443 Riverside Margin of Lake Surprise, San Jacinto Mtns. 2743 Comment
  UCR49999  Lippia nodiflora Theo Glenn 1987-6-15 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills. 168 Comment
  RSA612778  Loeflingia squarrosa D. L. Banks, Victor Steinmann 1997-3-13 1424 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
  UCR85382  Loeflingia squarrosa A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-5-19 16162 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtn Foothills, Coachella Valley, alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road 14 telephone poles above Hwy 111 (Palm Canyon Dr.) 300 Comment
  UC133154  Logfia arizonica Samuel B. Parish 1894-3-1 Riverside Colorado Desert Comment
  JOTR35140  Logfia depressa La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3252 Riverside Joshua Tree National Park. West Cottonwood Mountains; southeast edge of Pinkham Wash, east of Pinkham Canyon Road; rocky flats between small drainages in mouth of Pinkham Wash (Stop 1) Comment
  CAS-BOT-BC342260  Logfia filaginoides H. M. Hall 1903-4-1 3786 Riverside Vicinity of Riverside 365 Comment
  UCR90342  Logfia gallica Scott D. White 1995-6-30 3439 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  RSA343106  Lolium perenne subsp. multiflorum R. F. Thorne, Walter Wisura, E. Lathrop, Sara Meury 1985-5-18 60629 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  RSA192223  Lolium perenne subsp. multiflorum E. W. Lathrop 1966-5-11 6291 Riverside 3 miles SW of Murrieta on the De Luz Road, first canyon to the right of the road. Comment
  POM6649  Lomatium dasycarpum subsp. dasycarpum P. A. Munz 1919-3-25 2312 Riverside Beaumont. Comment
  JEPS17026  Lomatium mohavense W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1332 Riverside Thomas Valley to Van Deventer's Ranch; San Jacinto Mts. Comment
  SBBG95112  Lonicera interrupta S. D. White 1990-7-10 Riverside E Millard Cyn, on the rd to Kitching Peak Trail 1127 Comment
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Sep 8 2014
  UCR100040  Lonicera interrupta Scott D. White 1994-4-23 2049 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
  UCR94935  Lonicera subspicata Scott D. White 1996-8-15 4459 Riverside San Jacinto Mtns., Idyllwild Area: Unnamed drainage (tributary to Toll Rd. Cyn.) at crossing w/ USFS Rd. directly west of Isomata. 1555 Comment
  SEINET3154554  Lonicera subspicata F. M. Reed 1908-7-14 2393 Riverside San Jacinto mts.; ridge above strawberry valley. 1829 Comment
  UC455867  Lonicera subspicata var. denudata I. J. Condit 1910-6-24 Riverside San Jacinto Mt. 609 Comment
  SD67736  Lonicera subspicata var. johnstonii Victor Duran 1933-7-2 3496 Riverside Vandeventer Flat, Santa Rosa Mountains. 1520 Comment
  SEINET238483  Lotus argophyllus A. C. Sanders 1994-5-29 14569 Riverside San Bernardino Mountains: Millard Canyon at stream crossing just below site of Millard Station on FS road 2S05. 1100 Comment
  SEINET3523394  Lotus argophyllus subsp. decorus Susan McKelvey 1937-11-27 5016 Riverside to Pines Highway, San Jacinto Mts Comment
  RSA770293  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4578 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  JEPS44386  Lotus argyraeus Lauramay T. Dempster 1966-6-19 4266 Riverside second saddle n of Toro Peak; Santa Rosa Mountains Comment
  UC15537  Lotus argyraeus H. M. Hall May 1899 1173 Riverside Coyote Canyon San Jacinto Mountains, El Toro Mt. 1524 Comment
  RSA0018560  Lotus crassifolius Keith E. Hoffmaster 1937-7-5 819 Riverside San Jacinto Mtns. Comment
  JEPS55435  Lotus grandiflorus W. L. Jepson 1901-5-19 1286 Riverside Strawberry Valley Mt. San Jacinto Comment
  RSA717834  Lotus grandiflorus T. Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 526 Riverside Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR214887  Lotus hamatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37673 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR60258  Lotus hamatus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3181 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  UC15659  Lotus heermannii H. M. Hall 1901-6 2379 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  UCR23899  Lotus nevadensis var. nevadensis John C. Roos 1937-8-18 2541 Riverside San Jacinto Mtns., Near Willow Creek 2439 Comment
  RSA90355  Lotus nevadensis var. nevadensis F. W. Peirson 1924-7-27 4989 Riverside San Jacinto Mountains: Dark Canyon. 2226 Comment
  UCR6715  Lotus purshianus Frank C. Vasek 1964-7-19 640719- 03 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove Comment
  UC62934  Lotus purshianus var. purshianus H. M. Hall 1895-6-23 154 Riverside vicinity Riverside Comment
  SDSU4339  Lotus rigidus H. Wedberg 1962-4-20 918 Riverside About 1 mile southeast of Pinyon Flats on road to Palm Springs, San Jacinto Mountains. Pinyon-Juniper woodland. 1219 Comment
  RSA659785  Lotus salsuginosus J. C. Roos, L. Roos 1952-5-19 5694 Riverside On hills north of Moreno. Comment
  RSA90380  Lotus salsuginosus var. brevivexillus F. W. Peirson 1927-4-12 7155 Riverside Painted canyon, near Mecca. Comment
  RSA629027  Lotus salsuginosus var. salsuginosus Scott D. White 1998-6-28 6791 Riverside Corona: River Road bridge over the Santa Ana River. 159 Comment
  CLARK-A1703-68  Lotus scoparius William Horn, Jr. 1963-3-22 630322#1 Riverside Riverside 365 Comment
  CSUSB1258  Lotus scoparius Leland E. Francois 1966-3-27 32766 2 Riverside City of Riverside, lower southeast slope of Mount Rubidoux, just up the slope from Glenwood Drive. 297 Comment
  RSA614136  Lotus scoparius D. L. Banks 1997-2-23 1303 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA660306  Lotus scoparius Joan Del Pino 1981-5-9 12 Riverside Hwy 74, 5.2 mils from Lake Shore Dr. Comment
  SEINET244846 Image available Lotus scoparius var. brevialatus A. C. Sanders, L. A. Stoddart 2002-4-9 24931 Riverside The Badlands; Hills and canyons west of Laborde Canyon, 1 mi NE of Eden Hot Springs, SW of Beaumont Comment
  RSA799918  Lotus strigosus Justin M. Wood, D. M. Ray 2011-4-28 3851 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
  RSA678415  Lotus strigosus var. strigosus Michael Wall 2003-4-6 257 Riverside Vacant lot off Ramona Expressway at Donna Ave adjacent to Soboba Health Clinic. Property for sale and future housing development. 506 Comment
  RSA278982  Lotus tomentellus B. A. Prigge 1978-3-23 2432 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  SEINET3557310  Lotus tomentellus Philip A. Munz 1940-3-23 15722 Riverside North end of Pinto Basin, Mohave Desert 610 Comment
  RSA406438  Lotus unifoliolatus M. M. Thompson 1947-6-9 c 2067 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UC1537085  Lotus wrangelianus Gordon H. True Jr. 1935-4-5 215 Riverside Gavilan Peak Gavilan Hills 731 Comment
  RSA709182  Lupinus A. C. Sanders, J. Goetzen 1996-5-1 18129 Riverside Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning. 830 Comment
  RSA783365  Lupinus J. D. Olmsted 1960-4-17 384 Riverside Oat Flats at head of Tin Mine Canyon 9 miles southwest of Corona along Skyline Drive 823 Comment
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Jun 2 2013
  SEINET5327615  Lupinus albifrons E. A. Zumbro 1903-1 396 Riverside Blue Mt., W. Riverside. Comment
  POM349949  Lupinus arizonicus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA124415  Lupinus arizonicus Percy C. Everett, E. K. Balls 1958-4-29 23019 Riverside U. S. Hwy. 60/70, Indio to Blythe, 1 mi. W. of Cactus City. Comment
  RSA777787  Lupinus arizonicus Jim Andre 2011-2-9 15913 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
  SEINET6180888  Lupinus arizonicus D. W. McNeal 1980-4-18 2305 Riverside Beside Hwy. #195 in Mecca Canyon, 9.6 mi. sw. of the jct. of Interstate #10.; 0 Comment
  POM350005  Lupinus bicolor Ora M. Clark 1929-2-23 1526 Riverside South of Cabazon Comment
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Mar 13 2011
  RSA741163  Lupinus bicolor Scott D. White, Justin M. Wood 2008-5-15 11999 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  SEINET7073451 Image available Lupinus bicolor A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCR16250  Lupinus bicolor Sally Crum 1966-3-20 s.n. Riverside Peninsular Ranges, Santa Ana Mountains, 1 mi. west of Murrieta on Tenaja Road 1220 Comment
  UCR213306  Lupinus bicolor A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37699 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  POM350066  Lupinus bicolor subsp. microphyllus N. C. Cooper 1945-5-24 1622 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UCR25553  Lupinus bicolor subsp. microphyllus John C. Roos 1941-4-19 169 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  SEINET2062597 Image available Lupinus bicolor var. microphyllus Norman C. Cooper 1947-4-5 2038 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  CLARK-A1656-820  Lupinus concinnus Theo Glenn 1982-4-23 Riverside Cottonwood Canyon Comment
  JEPS65048  Lupinus concinnus W. L. Jepson 1901-5-19 1297 Riverside Chalk Hill Mt. San Jacinto, Chalk Hill 1371 Comment
  RSA407143  Lupinus concinnus subsp. optatus N. C. Cooper 1944-5-21 1285 Riverside San Jacinto Mtns. West Side. 1220 Comment
  UCR1560  Lupinus concinnus subsp. optatus R. L. Needham 1962-5-19 10068 Riverside Peninsular Ranges, San Jacinto Mtns, above Fern Basin Campground (off Idyllwild-Banning Hwy). 1982 Comment
  CAS-BOT-BC205383  Lupinus excubitus A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37801 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
  UC489156  Lupinus excubitus C. V. Meyer June 1927 166 Riverside San Jacinto Mts. 1737 Comment
  CAS-BOT-BC216685  Lupinus excubitus subsp. hallii C. B. Wolf 1932-5-25 3693 Riverside 0.25 mile SW of summit of Moreno Grade, Bad Lands SW of Beaumont 670 Comment
  LA205061  Lupinus excubitus var. austromontanus W. Pequegnat; March 1937 125 Riverside Santa Ana Mountains, Coldwater Canyon, E ridge Comment
  SEINET3208894  Lupinus excubitus var. austromontanus G. Goodwin 2012-6-14 3449 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  RSA572997  Lupinus excubitus var. hallii Steve D. Boyd 1986-4-22 1750 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  RSA91199  Lupinus excubitus var. hallii F. W. Peirson 1922-5-18 3063 Riverside Temescal Canyon, western Riverside County 274 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
  UC1713285  Lupinus formosus C. V. Meyer June 1927 175 Riverside Dark Canyon; San Jacinto Mts., Dark Canyon 1828 Comment
  OBI30168  Lupinus hirsutissimus Iversen 1974-4-27 s.n. Riverside El Cariso Crk Comment
  RSA0012054  Lupinus hirsutissimus Steve D. Boyd, Susan Jett 2008-3-20 11827 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
  RSA644186  Lupinus hirsutissimus Scott D. White 1995-8-23 3583 Riverside San Jacinto Valley. San Jacinto Riv., just N of City of San Jacinto boundary, ca. 1 mi SE of bridge at State St. 463 Comment
  UCR258631  Lupinus hirsutissimus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7896 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  SEINET10485438  Lupinus hyacinthinus David B. Dunn 1946-8-17 Dunn 2716 Riverside 1/4 mi. Along trail to hidden lake from round meadow. San jacinto mts. Comment
  UC73187  Lupinus latifolius var. parishii M. F. Gilman 1904-1 44 Riverside Banning Comment
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Mar 13 2011
  SD133084  Lupinus microcarpus var. microcarpus Scott White 1991-5-13 91 86 Riverside Highway 79, immediately west of U.S. Forest Service Campground at Dripping Springs 548 Comment
  UC129482  Lupinus shockleyi H. M. Hall Apr. 1905 5762 Riverside Palm Springs; Colorado Desert, Palm Springs 152 Comment
  CLARK-A1045-232  Lupinus sparsiflorus George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  SFV9218  Lupinus sparsiflorus J. H. Lane 1972-4-9 65 Riverside Pauba Valley in vicinity of Temecula. Highway 71 and Pauba Valley Road, not far from junction of Highway 395 and Highway 71. Top of hill to east of road. Comment
  UCR113168  Lupinus sparsiflorus A. C. Sanders 1998-3-11 21690 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north side of Diamond Valley, along high water road of reservoir under construction 549 Comment
  RSA701424  Lupinus truncatus Steve Boyd, Aydee Virgen 2004-4-13 10879 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC56611  Lupinus truncatus H. M. Hall Apr 1902 2898 Riverside Coahuilla foot-hills , Coahuilla foot-hills (San Jacinto Mountains) 762 Comment
  POM48592  Luzula comosa Mary F. Spencer 1919-7-19 1197 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  POM292863  Lycium andersonii Lyman D. Benson 1949-3-28 13565 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  POM4209  Lycium andersonii I. M. Johnston 1918-5-30 2025 Riverside Lake Elsinore. 366 Comment
  RSA0125368  Lycium andersonii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8763 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting near the Martinez Slide, approximately 4 air miles northeast of the summit of Martinez Mountain. 264 Comment
  RSA774990  Lycium andersonii Duncan S. Bell 2011-4-7 2171 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  UC68699  Lycium cooperi H. M. Hall May 1905 6031 Riverside Eagle Mt. Colorado Desert 975 Comment
  RSA785450  Lythrum californicum Jeremiah George 2011-8-9 s.n. Riverside north shore of Lake Elsinore, south of end of Lehr Dr. 384 Comment
  UCR20174  Machaeranthera canescens subsp. ziegleri Jeanine Derby, T. P. Krantz 1977-1 s.n. Riverside Santa Rosa Mtns, Santa Rosa Mountain, along [Forest Service Road] 7S02 to summit Comment
  SD227848  Maclura pomifera A. C. Sanders, K. C. Rose 1999-6-18 22799 Riverside Skinner/Domenigoni area; French Valley, E side of Wawhington Ave., 1/2 mile S of Rawson Rd. (Winchester 7.5'Q). 438 Comment
  GMDRC6580  Madia elegans J. M. Andre 2012-6-15 30542 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  RSA561886  Madia exigua Steve Boyd, Timothy S. Ross 1992-6-10 7642 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
  CSUSB1447  Malacothamnus fasciculatus Karen Cook 1966-5-19 Riverside North-facing slope at foot of Mount Rubidoux, in Riverside. 243 Comment
  SBBG27730  Malacothamnus orbiculatus L. Allen 1967-8-15 Riverside Hwy 71 near Hemet Comment
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May 23 2012
  POM14298  Malacothrix glabrata P. A. Munz, D. D. Keck 1922-4-9 4817 Riverside Southern base of Eagle Mountains, 3 miles northeast of the 'Hayfields' 213 Comment
  RSA517926  Malacothrix glabrata Steve Boyd, B. Roy, Thomas S. Elias, Sara Meury, S. Zona 1986-3-5 1354 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  RSA771656  Malacothrix glabrata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4912 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  RSA775224  Malacothrix glabrata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4477 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
  RSA0001410  Malacothrix saxatilis var. tenuifolia P. A. Munz 1923-6-14 7101 Riverside Glen Ivy Trail to Santiago Peak, Santa Ana Mountains. 915 Comment
  RSA575924  Malvella leprosa Steve Boyd, D. L. Banks 1994-9-29 8364 Riverside Lake Elsinore, floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UCR135853  Malvella leprosa A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27897 Riverside Peninsular Range, Temescal Creek in Walker Canyon, at foot of Alberhill Mountain 378 Comment
  UCR272498  Malvella leprosa Mitch Provance 2013-6-18 613- 33 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  RSA33787  Marah macrocarpa N. C. Cooper 1944-3-24 1026 Riverside Banning. 701 Comment
  RSA0099447  Marina parryi Duncan S. Bell, Evan Meyer 2014-10-29 7693 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  UCR185117  Marina parryi LeRoy Gross 2005-3-3 1601 Riverside Northeastern Colorado Desert, Palen Mountains, S side. Near end of old prospect road 244 Comment
  UCR277801  Marina parryi A. C. Sanders, Jim Malusa 2017-1-14 42663 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  UCR52003  Marina parryi Steve Boyd 1988-3-10 2131 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA740933  Marsilea vestita Scott D. White, Justin M. Wood 2008-7-9 12435 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  UCR26314  Marsilea vestita John C. Roos 1937-4-10 2072 Riverside Lake Elsinore 366 Comment
  UCR72820  Marsilea vestita D. E. Bramlet 1991-6-20 2198 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area: c. 670 m east of Davis Rd & 60 m north of the San Jacinto River levee 475 Comment
  RSA612845  Matricaria matricarioides D. L. Banks 1997-3-1 1371 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
  RSA559433  Meconella denticulata Steve Boyd 1992-4-15 6859 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA613455  Medicago polymorpha D. L. Banks, Victor W. Steinmann 1997-3-13 1437 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
  OBI37483  Medicago sativa Steve Boyd 1985-7-23 1007 Riverside De Luz Rd, 5.5 mi W of Rancho Calif 396 Comment
  UCR112800  Melia azedarach A. C. Sanders 1997-5-1 20616 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  UCR187358  Melica frutescens R. E. Riefner Jr. 2006-8-2 06- 350 Riverside Peninsular Range, Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., NNW c. 0.75 mi. from Leon Rd. 580 Comment
  CAS-BOT-BC281416  Melica imperfecta Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  RSA543765  Melica imperfecta Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6065 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
  RSA659631  Melica imperfecta J. C. Roos 1950-4-4 4754 Riverside The summit of Reche Canyon. On 2 year old burn, steep West slope, 0.5 mi. N.E. of the summit. 793 Comment
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Apr 3 2011
  SEINET266966 Image available Melica imperfecta D. Atwood, L Stritch 1993-4-2 17894 Riverside Santa Rosa Plateau TNC Preserva and adjacent to BLM administrated lands 671 Comment
  UCR104594  Melica imperfecta G. R. Ballmer 1998-3-14 s.n. Riverside Santa Ana Mtns., Walker Basin, west of Temecula, south of Rancho California Rd., vicinity of Via Vaquero 396 Comment
  CSUSB1309  Melilotus indicus Dean Jones 1966-4-19 Riverside on a lawn above Lot #4, UC Riverside campus. 365 Comment
  UC1929956  Melilotus indicus Scott D. White, Justin Wood 2008-6-16 12112 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. Comment
  CAS-BOT-BC223708  Mentzelia John H. Thomas 1957-3-30 6551 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella. Colorado Desert 426 Comment
  UCSB4198  Mentzelia albicaulis Krogen, Roger 1957-1 Riverside Box Canyon Wash, 7 mi E of Mecca on HWY 195 Comment
  RSA678947  Mentzelia desertorum Scott D. White, Michael Honer 2001-4-12 8307 Riverside Shaver s Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  UCR134601  Mentzelia desertorum Marisa Sripracha, Kyle Boyd 2004-2-14 023 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR232388  Mentzelia desertorum Dave Silverman, Onkar Singh 2010-3-27 7854 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 5.4 km WSW of Mesaville siding, west of A Canal/Levee Blvd, & c. 7.6 km N of Blythe Airport 136 Comment
  UC64310  Mentzelia dispersa H. M. Hall June 1897 657 Riverside vicinity Strawberry Valley; San Jacitno Mountains 1584 Comment
  PASA1556  Mentzelia involucrata 1928-3-3 Riverside Near Whitewater Comment
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Jun 24 2016
  RSA0043029  Mentzelia involucrata Duncan S. Bell, Loraine Washburn 2014-4-8 6575 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern/central section of range; approximately 2.25 air miles north of Clemens Well and Bradshaw Trail. 495 Comment
  RSA253718  Mentzelia involucrata Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-21 6428 Riverside Big Maria Mountains, 12 air miles north of downtown Blythe. 290 Comment
  RSA440426  Mentzelia involucrata T. W. Minthorn 1926-5-14 s.n. Riverside Near Indio, Colorado Desert. Comment
  RSA517824  Mentzelia involucrata Steve Boyd, Orlando Mistretta 1986-3-13 1442 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SDSU8092  Mentzelia involucrata Darren S. Smith 1992-4-5 Riverside 480 Comment
  UCD117240  Mentzelia involucrata Geoffrey Levin 1975-4-5 471 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of the Little San Bernadino Mountains. 60 Comment
  RSA162704  Mentzelia montana John Olmsted 1958-6-15 165 Riverside 5 miles N of Filmore [Fulmor] Lake towards Baning [Banning] on Baning Idyllwild Road Black Oak in dry grassland between Manzanita & woodland. Fk. San Jacinto Mt. 1372 Comment
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Dec 19 2008
  RSA747564  Mentzelia veatchiana Michael Honer 2003-4-11 1823 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak 2349 . 640 Comment
  UCR75555  Mesembryanthemum nodiflorum A. C. Sanders 1993-5-12 14003 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  LA209014  Micranthes californica Harlan Lewis; 1937-3-19 Riverside Reche Canyon 487 Comment
  CLARK-A1656-751  Micropus californicus Theo Glenn 1979-3-31 Riverside San Jacinto Mountains Comment
  RSA562102  Micropus californicus Steve Boyd 1992-4-14 6804 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  CAS-BOT-BC348846  Microseris douglasii subsp. douglasii S. B. Parish 1914-3-24 9079 Riverside Perris Comment
  UCR77588  Microseris douglasii subsp. douglasii Steve Boyd, L. Arnseth, O. Mistretta 1991-5-6 6145 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  UCR226075  Microseris douglasii subsp. platycarpha A. C. Sanders, T. B. Salvato 2011-4-1 38944 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  UCR99158  Microseris douglasii subsp. platycarpha A. C. Sanders, G. Helmkamp 1997-3-15 19995 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  POM13138  Microseris lindleyi P. A. Munz, I. M. Johnston 1922-5-20 5456 Riverside Pipe Creek, Hemet Valley 1418 Comment
  RSA85115  Microseris lindleyi J. C. Roos 1952-4-30 5610 Riverside Between Camp Haan and Riverside 534 Comment
  UCR241380  Microseris lindleyi T. B. Salvato, Mike Landers 2013-3-21 7385 B Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  RSA543959  Microsteris gracilis subsp. gracilis Steve Boyd, Orlando Mistretta 1991-5-9 6190 boyd Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  SD70886  Mimetanthe pilosa Helen V. Witham 1969-7-2 171 Riverside De Luz Creek crossing, 4 mi. N. of De Luz 249 Comment
  UC943876  Mimulus H. E. McMinn, M. Van Rensselaer 1945-6-7 1892 Riverside Indian Truck Trail Santa Ana Mts. 853 Comment
  UC943893  Mimulus H. E. McMinn and M. Van Rensselaer 1945-6-7 1896 Riverside along Indian Truck Trail east side of Santa Ana Mts. 960 Comment
  RSA192316  Mimulus aurantiacus var. pubescens H. A. Zuill 1966-3-20 96 Riverside About 2 mi. WSW of Murrieta. Comment
  RSA500119  Mimulus aurantiacus var. pubescens Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-10 3692 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  RSA550815  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-15 1063 Riverside Vicinity of Aguaga. 1.0 mi. NW of San Diego Co. line along Hwy 79. 680 Comment
  POM33  Mimulus aurantiacus var. puniceus O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  POM87  Mimulus aurantiacus var. puniceus C. F. Baker 1904-4-4 4152 Riverside Elsinore. Comment
  UC943863  Mimulus aurantiacus var. puniceus H. E. McMinn 1935-6-23 3939 Riverside s Elsinore Comment
  UCR116664  Mimulus aurantiacus var. puniceus A. C. Sanders, Carolyn Washburn 2001-5-10 24234 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  RSA525674  Mimulus brevipes Steve Boyd 1990-5-3 4545 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA527878  Mimulus brevipes Scott D. White 1991-5-10 91 -156 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  UCR72436  Mimulus breweri Steve Morgan, H. M. Soldan 1992-5-23 92- 01 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, about 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), 0.2 mi south of Santa Rosa Camp [not Santa Rosa Spring, which is about 0.5 mi further south of 7S02] 2256 Comment
  UC1931200  Mimulus floribundus Scott D. White, Justin Wood 2008-6-19 12261 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  UCR201701  Mimulus floribundus Scott D. White, Justin M. Wood 2008-6-19 12261 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  LA209477  Mimulus fremontii Elizabeth McClintock; 1940-6-30 sn Riverside San Jacinto Mts., Between Fern Basin Camp and Marion Camp, Banning-Idyllwild road Comment
  RSA408105  Mimulus fremontii R. S. Woglum 1937-5-22 534 Riverside Anza, Cahuilla Valley. Comment
  UC1374912  Mimulus fremontii var. fremontii Noel H. Holmgren, Liew Fah Seong 1969-6-17 3580 Riverside 8.5 mi n Idyllwild (County Road R1, at Black Mountain turnoff); San Jacinto Mountains Comment
  JEPS10473  Mimulus guttatus I. W. Clokey 1935-8-21 6906 Riverside Hemet Lake 1220 Comment
  RSA442808  Mimulus guttatus H. de Forest, Jack Rempel 1933-10-29 18685 Riverside Snow Creek Canyon. 549 Comment
  UC1563128  Mimulus guttatus Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3575 Riverside along Arroyo Seco drainage from jct with Kolb Creek (s to w/in 1/4 mi of Hwy 79); Vail Lake Area 457 Comment
  RSA752135  Mimulus pilosus Justin M. Wood, Brandy Wood 2009-7-4 1039 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  SEINET196194  Mirabilis californica LeRoy Abrams 1941-4-22 13875 Riverside Palomar School near Perris Comment
  UC917853  Mirabilis laevis var. crassifolia Frank W. Gould 1943-4-17 2120 Riverside 12 miles S of Corona Comment
  RSA28054  Mirabilis laevis var. retrorsa I. L. Wiggins 1941-3-27 9696 Riverside 4 mi. north of Whitewater. Comment
  UC1595749  Mirabilis laevis var. villosa W. Wisura, J. Dolan, and M. Wall 1992-3-25 4643 Riverside 2.1 mi w Corn spring; Chuckwalla Mts Comment
  UCD98207  Mirabilis laevis var. villosa C. L. Hitchcock 1966-3-16 24176 Riverside 1/4 mile w. of Aguanga. Comment
  JEPS84377  Mohavea confertiflora Roxanne Bittman 1977-2-27 12 Riverside South side of Highway 195 about 9 miles from Box Canyon in Box Canyon upper bajada 365 Comment
  RSA408763  Mohavea confertiflora George R. Johnston, G. R. Johnston 1930-4-14 14660 Riverside Shaver's Well Riverside. Comment
  RSA799255  Mohavea confertiflora Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 740 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
  UC1063092  Mohavea confertiflora H. S. Yates 1937-3-23 6429 Riverside Painted Canyon 121 Comment
  UCR75084  Mohavea confertiflora A. C. Sanders, E. J. Lawlor 1992-4-4 12147 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SEINET13948598 Image available Monardella lanceolata Carl B. Wolf 1932-1 3914 Riverside San Jacinto Mts. Point View, near Idyllwild. Alt 5400 ft. 1646 Comment
  IRVC2005  Monardella linoides subsp. linoides R. H. Whittaker, W. A. Niering 1963-6-9 SJ 364 Riverside Santa Rosa Mtns: above old log mill. Peninsular Ranges 2012 Comment
  RSA0012217  Monardella linoides subsp. linoides Mark A. Elvin 2004-6-2 3497 Riverside Garner Valley, east of Hwy 74 between Fobes Ranch Rd. and Morris Ranch Rd. at base of foothills 1372 Comment
  CAS-BOT-BC215495  Monardella nana Elizabeth McClintock 1941-7-21 127 Riverside San Jacinto Mts., trail to Hidden Lake, along rocky slopes of switchbacks Comment
  LA96075  Monardella nana Elizabeth McClintock; 1940-6-30 20 Riverside near Marion Camp, on the Banning-Idyllwild rd Comment
  RSA761895  Monardella nana Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 708 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA750295  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 104 Riverside San Jacinto Mts. Deer Springs and Suicide Rock tail. One switchback below the forks, on and around a rocky knoll. Comment
  RSA0089561  Monolopia lanceolata Cindy Daverin 2015-3-11 s.n. Riverside Gavilan hills, El Sobrante Landfill mitigation property/Lake Mathews-Estelle Mountain Reserve, south of Lake Mathews and of Cajalco Rd., 1.3 km WNW (288 degrees) of Monument Peak. 443 Comment
  RSA457759  Monoptilon bellioides Steve Boyd, S. Meury, Laurel Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2126 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UC1069983  Monoptilon bellioides H. S. Yates 1937-3-23 6422 Riverside 5 mi nw Edom; Thermal Quadrangle Comment
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Dec 16 2011
  UCR260592  Morus alba A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41552 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Valley just below I-15 bridge near Hostettler Road, SE of Lee (Corona) Lake, south side of I-15, 2.17 km west of Lake St. at Alberhill 363 Comment
  UCR242300  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato 2012-10-12 40426 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  RSA17545  Muhlenbergia rigens C. B. Wolf 1936-6-17 7960 Riverside Santa Ana Mountains, Tenaja Road: road to La Cienaga, 1.4 mile off Ortega Highway. 610 Comment
  RSA91746  Muhlenbergia rigens F. W. Peirson 1921-3-23 2373 Riverside Deep Canyon south of Coachella Valley 335 Comment
  RSA543161  Muilla maritima Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6091 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  UCR116964  Muilla maritima A. C. Sanders, T. B. Salvato 2001-5-3 24089 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR178011  Muilla maritima T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 609 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR113548  Myoporum laetum Mitch Provance 1998-6-6 690 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  SD37311  Myosurus minimus var. filiformis Edith A. Purer 1936-4-6 6880 A Riverside Vernal pool, south of Elsinore Comment
  SBBG231  Myriopteris clevelandii A. Lefebure -Mar-1942 4810 Riverside Hemet side of San Jacinto Mtns Comment
  SD80141  Myriopteris covillei Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 365 Riverside Deep Canyon south of Highway 74, ca 2 miles up water service road, below crossing, north slope of Santa Rosa Mountains 1310 Comment
  RSA480031  Nama demissa Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2154 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCSB33603  Nama demissa Simmons, Karen 1979-3-25 Riverside Just south of Cottonwood Springs; 30.5 mi. south of White Tank Campground; on Pinto Basin Road; Joshua Tree National Monument 152 Comment
  JEPS1368  Nama demissa var. demissa E. E. Schellenger May 1920 Riverside Chuckawalla Bench Colorado Desert, Chuckawalla Bench (Colorado Desert, Southern California) Comment
  UCR110404  Nama stenocarpa A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23173 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  JEPS493  Nassella pulchra E. Bartholomew Riverside Riverside Comment
  POM10206  Navarretia atractyloides F. M. Reed 1907-6-21 1424 Riverside Riverside; Sec. 30 above Gage Canal. Comment
  SD138833  Navarretia fossalis Craig Reiser 1993-4-25 Riverside South side of Highway 79, perhaps I(c) mile east of Los Caballos Road. (IPB 3/06) Comment
  UCR62383  Navarretia fossalis Don Mitchell 1990-6-1 s.n. Riverside About 1.5 mi. west of Lakeview, in small bulldozer-made ponds, north of Ramona Expressway, and about 200 yd. west of the San Jacinto River. 427 Comment
  CAS-BOT-BC109110  Nemacaulis denudata var. gracilis Geo. B. Grant 1906-4-20 6718 Riverside Palm Springs Comment
  UC174067  Nemacaulis denudata var. gracilis G. B. Grant 1900-1 6718 Riverside Palm Springs Colorado Desert Comment
  LA204528  Nemacladus gracilis Carl Epling; Harlan Lewis 1942-6-16 Riverside San Jacinto Mountains, Saunders meadow, Idyllwild Comment
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Jun 12 2015
  SEINET10458412  Nemacladus longiflorus Spencer Spencer 1728 Riverside Comment
  UC472905  Nemacladus longiflorus var. longiflorus Mary F. Spencer 1921-7-7 1661 Riverside Tahquitz Trail; San Jacinto Mt. 1828 Comment
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Apr 9 2017
  SEINET13681942  Nemacladus orientalis Tina Ayers, Randy Scott 2017-3-19 1920 Riverside Chuckwalla Mountains, ca 8 miles west of Chuckwalla Valley Road on Dupont Road, roadside at edge of wilderness area 152 Comment
  UCR85602  Nemacladus orientalis Theo Glenn 1991-5-15 91- 40 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  UCR133442  Nemacladus pinnatifidus Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 466 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA0124735  Nemacladus ramosissimus Duncan S. Bell, LeRoy Gross 2016-3-31 9193 A Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  RSA75139  Nemacladus rubescens F. W. Peirson 1926-1-31 6486 Riverside About 2 miles from Dos Palmas on road to Mecca, Colorado Desert. Comment
  RSA75141  Nemacladus rubescens F. W. Peirson 1928-4-24 7914 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. 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
  SEINET10460917  Nemacladus sigmoideus Annie M. Alexander, Louise Kellogg 1941-4-24 Alexander 2076 Riverside Gorge of Dry Morongo Creek, Morongo Valley 640 Comment
  SD46094  Nemacladus tenuis var. aliformis Herbert L. Mason 1952-4-7 14211 Riverside Palm Springs, Palm Canyon Comment
  UCR127497  Nemacladus tenuis var. tenuis A. C. Sanders, G. Nuhn 1995-4-20 16581 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  CSUSB123  Nemophila menziesii R. Pirot 1975-4-27 Riverside Juniper Flats Rs. and Highway 74 at Homeland. 542 Comment
  RSA421335  Nemophila menziesii Ora M. Clark 1929-3-2 163 Riverside Near Elsinore. Comment
  UCR107894  Nemophila menziesii G. F. Pratt 1997-3-8 s.n. Riverside Box Springs Mtns, S-facing slopes near highest peak, right around radio towers. 915 Comment
  UCR163358  Nemophila menziesii O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 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
  UCSB10586  Nemophila menziesii Wedberg, H. 1957-3-22 Riverside Hwy. 71, near Alberhill Comment
  UC63799  Nemophila menziesii var. integrifolia W. L. Jepson May 17 1901-Jun 1 1901 1288 Riverside Strawberry Valley fide Herb. Jepson! according to L. Constance 1938 Strawberry Valley fide Herb. Jepson! according to L. Constan Comment
  UC63800  Nemophila menziesii var. integrifolia H. M. Hall June, 1901 2044 Riverside wooded slopes and benches of the s side San Jacinto Mts. San Jacinto Mountains, Shingle Val. (Shingle Val.) 1371 Comment
  SD227909  Nicotiana acuminata var. multiflora Andrew C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22232 Riverside San Bernardino Mtns.: Morongo Indian Reservation, lower Hathaway Creek Canyon. 837 Comment
  SD237630  Nicotiana clevelandii Dave Silverman, Onkar Singh 2010-3-27 7861 Riverside McCoy Wash, N of Palo Verde Mesa, 4.8 km WSW of Mesaville siding, W of A Canal/Levee Blvd, and 6 km N of Blythe Airport. 131 Comment
  UCR21966  Nicotiana glauca Steve Boyd 1980-5-21 295 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR91736  Nicotiana glauca A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18098 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  UCR251641  Nicotiana obtusifolia Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 782 Riverside Sonoran (Colorado) Desert, Mecca Hills, just south of Shaver's Well 305 Comment
  RSA0018753  Nicotiana obtusifolia Viki Cruz 1983-5-8 17 Riverside On the banks of the stream one-quarter mile into Magnesia Canyon, Santa Rosa Mts. Comment
  SEINET3078208 Image available Nicotiana trigonophylla John Adams 1965-5-9 210 Riverside NE side of San Jacinto Mountains, Palms Springs area, 1 mi below tramway. 366 Comment
  RSA0054916  Nicotiana trigonophylla Mary Edmunds 1932-3-27 13 Riverside Oasis, Coachella Valley. Comment
  RSA0055017  Nicotiana trigonophylla Jim Shevock 1970-12-12 559 Riverside Joshua Tree National Monument. 975 Comment
  RSA58889  Nolina parryi Philip A. Munz 1950-6-23 14919 Riverside 1.5 miles SE of Kenworthy, on road toward Coahuilla and Aguanga. 1524 Comment
  CAS-BOT-BC71163  Notholaena californica Ivan Johnston 1917-4-4 1052 Riverside Palm Canyon 304 Comment
  POM886  Notholaena californica subsp. californica I. M. Johnston 1918-4-27 1864 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  CLARK-A1528-3571  Notholaena newberryi John C. Roos, Lucille Roos 1951-10-27 5348 Riverside Riverside 304 Comment
  RSA614421  Oenothera californica subsp. californica D. L. Banks 1997-3-29 1554 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  UCR281884  Oenothera californica subsp. californica R. E. Riefner Jr. 2017-9-4 17- 452 Riverside Perris-Aguanga Basin, Wolf Valley, city of Temecula, Temecula Creek, immediately north of Temecula Lane and Canterfield Drive, vicinity of Pala Community Park 323 Comment
  POM122332  Oligomeris linifolia Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UCR154611  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2005-5-17 30239 Riverside Perris Basin, San Jacinto Valley, Gilman Springs Rd. at Quail Lake Golf Course 439 Comment
  UCR230193  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2011-4-29 39356 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  UCR133373  Opuntia basilaris Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 327 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  CAS-BOT-BC58056  Opuntia basilaris var. basilaris Alice Eastwood 1913-4-14 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  SEINET9192033 Image available Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2015-6-23 18358 Riverside 2.5km north of central Banning, 39km NW of central Palm Springs 841 Comment
  POM306431  Opuntia polyacantha var. erinacea Scott Haselton 1962-12-28 s.n. Riverside Palms-to-Pines Hwy, east side; San Jacinto Mts. 1220 Comment
  SD128319  Opuntia polyacantha var. erinacea R. Mitchel Beauchamp 1971-5-16 2424 Riverside Santa Rosa Mountains, open areas of pinyon forest, Pinyon Flat Campgrounds. (IPB 9/07) 1500 Comment
  SD132129  Orcuttia californica David B. Zippin 1991-5-30 155 Riverside Margins of large vernal pool (lake) at Skunk Hollow Comment
  SBBG27016  Orobanche cooperi K. K. Muller 1967-3-20 1383 Riverside 17.5 mi N of Desert Center on rd to Rice Comment
  JOTR37463  Orobanche fasciculata Hodges, Stephen, T. Green 2016-5-5 585 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Upper Covington Flats, southwest from parking area for Covington Crest trail, along the ridge crest (Stop 1) Comment
  CLARK-A1528-871  Orthocarpus densiflorus Charlotte Stocks 1962-5-14 Riverside Anza Comment
  UCR34981  Osmorhiza brachypoda L. B. Ziegler 1972-4-7 447 Riverside San Jacinto Mtns., canyon on N slope Baldy Mtn. 1646 Comment
  UCR118456  Osteospermum fruticosum Mitch Provance 1999-5-4 1696 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA522708  Oxalis albicans subsp. californica Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3894 -B 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
  UCR16464  Paeonia californica Robert A. Clark 1966-3-19 031966- 4 Riverside Santa Ana Mtns, Rural Corona, Sky Line Drive 2.5 mi. from entrance off Chase Avenue 274 Comment
  CAS-BOT-BC327910  Palafoxia arida Geo. B. Grant 1906-5-1 906 -6748 Riverside Colorado Desert. Palm Springs Comment
  POM363742  Palafoxia arida var. arida L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain, Colorado River Comment
  POM363763  Palafoxia arida var. arida M. B. Dunkle 1933-3-4 3039 Riverside Painted Canyon 30 Comment
  RSA314487  Palafoxia arida var. arida R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55360 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UC1922423  Palafoxia arida var. arida Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1419 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  UC402946  Palafoxia arida var. arida H. E. and S. T. Parks Feb. 1929 396 Riverside Palm Springs Palm Springs (and southward) Comment
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Feb 23 2010
  SEINET10788753  Panicum urvilleanum Sarah E. Youngstrom, J. Travis Columbus 2007-5-23 Youngstrom 1 Riverside Just E of San Jacinto in San Jacinto River, 100-200 m N of Main St. bridge, near middle of dry river channel. 485 Comment
  RSA552750  Papaver californicum Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6736 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  CAS-BOT-BC274184  Pappostipa speciosa A. M. White 1974-6-8 1431 Riverside 50 mi. N. Desert Center Comment
  CAS-BOT-BC274187  Pappostipa speciosa H. M. Hall 1899-5-1 1177 b Riverside El Toro Mt. Comment
  CLARK-A1528-4390  Parietaria floridana John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  POM123212  Parietaria hespera var. hespera Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA746822  Parietaria hespera var. hespera Michael Honer 2003-4-16 1834 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak '2349' 640 Comment
  CAS-BOT-BC293716  Parkinsonia florida Mona Bourell 1987-4-14 3271 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  RSA796106  Parkinsonia florida Duncan S. Bell 2009-4-20 314 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UCD170848  Parkinsonia florida A. C. Sanders; T. B. Salvato, Mitch Provance 2000-4-25 23368 Riverside Coachella Valley, east side of Coachella Canal between I-10 and Ave. 52, east of Coachella. 24 Comment
  UCR226786  Parkinsonia florida Jim Andre 2011-2-9 15902 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  RSA509447  Paspalum dilatatum L. F. LaPre 1988-7-22 s.n. Riverside Santa Rosa Springs Ranch; Santa Rosa Plateau, W of town of Murrieta 549 Comment
  RSA733145  Paspalum vaginatum R. E. Riefner 2005-8-7 5 -596 Riverside Indian wells, tributary to Whitewater River, Hwy. 111 near Point Happy. 20 Comment
  CAS-BOT-BC355868  Pectis papposa var. papposa C. F. Saunders 1913-6-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  RSA608161  Pectis papposa var. papposa Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10049 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UC577423  Pectis papposa var. papposa J. and H. W. Grinnell 1937-11-30 1084 a Riverside 24 mi w Blythe (bed of Ford Dry Lake); bed of Ford Dry Lake Comment
  UCR214585  Pectocarya anisocarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37862 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  RSA777852  Pectocarya heterocarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 842 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  RSA781652  Pectocarya heterocarpa Duncan S. Bell 2009-3-8 73 Riverside Arica Mountains: northwest section of mountain range approximately 3.2 air miles northwest of Priest Well, or approximately 6 air miles southwest of the ghost town of Rice. 476 Comment
  UCR234813  Pectocarya heterocarpa Jim Andre, Glenn L. Clifton 2011-2-22 17478 Riverside Coachella Valley, 1.2 mi due south of Windy Point (at Hwy 111, just southwest of 'The Cove' housing development near Blaisdell Creek, at base of San Jacinto Mountains 320 Comment
  PASA1954  Pectocarya linearis Sally Ellis 1940-3-17 Riverside Dripping Springs Comment
  UCR91438  Pectocarya linearis Scott D. White 1995-3-30 2636 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  UC1212183  Pectocarya linearis subsp. ferocula H. E. Parks and S. T. Parks 1940-2-16 24174 Riverside San Jacinto Mountians, Santa Rosa Canyon, Palms to Pines Hig 304 Comment
  POM3821  Pectocarya penicillata H. M. Hall 1902-04 2943 Riverside Vicinity of Riverside 366 Comment
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Jun 22 2011
  RSA614655  Pectocarya penicillata A. C. Sanders 1997-3-1 19709 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity , 1386ft) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA741101  Pectocarya penicillata Scott D. White, Justin M. Wood 2008-6-5 12082 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCR116820  Pectocarya peninsularis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23925 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR214424  Pectocarya platycarpa A. C. Sanders, Richard Dwerlkotte 2010-3-22 37507 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  UCR74399  Pectocarya platycarpa Theo Glenn 1992-3-31 92 16 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  JOTR34483  Pectocarya setosa Andre, Jim 2012-4-16 20966 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  UC27315  Pedicularis densiflora Wright 1791 Riverside Beaumont Comment
  RSA750884  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Riverside, residence at 1009 Bascomb Drive 305 Comment
  CAS-BOT-BC69220  Pellaea andromedifolia Annie M. Alexander; Louise Kellogg 1941-2-28 1879 Riverside Andreas Canyon, San Jacinto Mountains 350 Comment
  RSA770426  Pellaea andromedifolia Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4873 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
  POM8767  Pellaea andromedifolia var. andromedifolia P. A. Munz, Harwood 1920-2-28 3233 Riverside 2 mi. southeast of Corona 274 Comment
  RSA507458  Pennisetum setaceum D. C. Hawks 1986-4-17 s.n. Riverside Whitewater River channel, 1 mile S of Hwy I-10 and 2 miles W of Indian Ave. 259 Comment
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Dec 20 2009
  RSA747986  Pennisetum setaceum Scott D. White, Justin M. Wood 2009-4-29 12619 Riverside City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UCR83331  Pennisetum setaceum A. C. Sanders 1994-5-15 14485 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  RSA0079935  Penstemon John F. Emmel 1985-10-23 978 Riverside Coxcomb Mts.; gently sloping area 0.1-0.2 air mile WNW of peak 4416. 1280 Comment
  SDSU10925  Penstemon bridgesii H. Wedberg 1962-7-28 996 Riverside Near Black Mtn. Public Campground in San Jacinto Mtns. 2317 Comment
  RSA679101  Penstemon californicus Mark A. Elvin, Victoria Jotikasthira, Ron Wetherford, Jason Wetherford 1996-5-10 171 Riverside San Bernardino National Forest. [Garner Valley, San Jacinto Mtns]. 1372 Comment
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Dec 7 2007
  RSA658634  Penstemon centranthifolius G. Fall 1970-5-18 0 -156 Riverside Gavalin Hills. Collected 2.8 mi. S. of Mocking Bird Cyn. Rd. on Gavalin Hills Rd. 274 Comment
  UCR25029  Penstemon grinnellii A. C. Sanders 1980-8-21 1772 Riverside San Jacinto Mtns, Along Devil's Slide Trail above Idyllwild 2256 Comment
  RSA192105  Penstemon heterophyllus var. australis E. W. Lathrop 1965-5-30 5776 Riverside 6 miles W of Murrieta. Comment
  POM15010  Penstemon labrosus Mary F. Spencer 1922-7-2 961 Riverside Idyllwild. 1707 Comment
  UC729880  Penstemon rostriflorus Carl B. Wolf 1932-8-4 3908 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  RSA0014859  Penstemon rostriflorus C. Epling, Wm. Robison 1935-6-30 s.n. Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  RSA733710  Penstemon spectabilis R. H. McArthur 1934-5-6 s.n. Riverside East end Ortega Highway. Roadside. Comment
  NY661184  Penstemon spectabilis var. spectabilis C. B. Wolf 1938-6-11 9417 Riverside San Jacinto Mountains, Palms to Pines Highway, 1½ miles west of junction to Anza 1219.2 Comment
  JEPS21328  Pentachaeta aurea W. L. Jepson 1903-8-5 2259 Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  RSA430200A  Pentachaeta aurea E. Misquez 1987-4-11 s.n. Riverside Walker Basin: 2 miles on Avenida de Oro from jct. with Rancho California Rd. and 4.7 miles W of I15. 415 Comment
  RSA674603  Pentachaeta aurea Scott D. White 2000-8-5 8097 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  SBBG63075  Pentachaeta aurea Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  UC88035  Pentachaeta aurea A. W. Anthony 1895-7-15 Riverside San Jacinto Mts. 1828 Comment
  RSA772010  Pentagramma triangularis subsp. triangularis Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4961 Riverside San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SEINET10545725  Perideridia parishii David B. Dunn 1946-8-17 Dunn 2694 Riverside Grass near stream at camp in Taquity Valley damp meadow area. 2438 Comment
  CAS-BOT-BC73729  Peritoma arborea var. arborea N. Aitkenhead 1977-1-31 2214 Riverside ~1 mi. W. of dillon Rd. - T/L junction in N. Palm Springs Comment
  CAS-BOT-BC355985  Perityle emoryi Carl B. Wolf 1932-4-27 3062 Riverside Colorado Desert. 5 mi. E. of Desert Center. No. base of Chuckwalla Mts. 152 Comment
  JEPS34965  Perityle emoryi Lawrence Saylor 1935-3-24 214 Riverside Pinto Basin Comment
  RSA0014462  Perityle emoryi Justin M. Wood, J. Miner 2010-4-29 1536 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  SEINET4568271 Image available Perityle emoryi Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4596 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR87854  Perityle emoryi Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  SEINET10800178  Perityle emoryi Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-20 Holmgren 6416 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe. 290 Comment
  SD146181  Persicaria punctata Andy C. Sanders, M. Provance, T. B. Salvato 2000-10-5 23718 Riverside Hidden Valley Wildlife Area, ca. I(c) mile west of the park office near Riverside between La Sierra and Norco 191 Comment
  JOTR29384  Petalonyx linearis La Doux, Tasha, Mike Bell 2006-5-10 1461 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA167782  Petalonyx thurberi Robert F. Thorne, R. Rutherford 1964-4-10 33599 Riverside At Desert Beach along NE side Salton Sea -61 Comment
  UC1280883  Petalonyx thurberi H. E. McMinn 1935-6-27 4058 Riverside wash s. of Palm Canyon Comment
  UCR119812  Petunia parviflora A. C. Sanders, T. B. Salvato, E. J. Lawlor, C. L. Sanders, et al 1999-8-22 23062 Riverside San Jacinto Mtns., NW shore of Lake Hemet, at Forest Service day use area 1322 Comment
  RSA676281  Peucephyllum schottii Scott D. White 2001-4-3 8241 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA427705A  Phacelia ambigua Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  RSA600  Phacelia brachyloba J. T. Howell 1927-8-2 561 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  SBBG28099  Phacelia campanularia D. Myrick 1964-4-30 828 Riverside Palms to Pines Hwy (St Hwy 74), 15 mi W of Palm Desert 1219 Comment
  UCD120287  Phacelia campanularia Geoffrey Levin 1974-3-30 8 Riverside Chino Canyon below the tramway. San Jacinto Mts. Mt. Range. 426 Comment
  UCR35123  Phacelia campanularia L. B. Ziegler 1973-5-2 506 Riverside San Jacinto Mountains, Near Hwy 74, 0.25 to 1 mi. below Pinyon Flats 1189 Comment
  UCR444  Phacelia campanularia B. A. Carlson 1978-3-18 s.n. Riverside Sonoran (Colorado) Desert, west of White Water Comment
  RSA776235  Phacelia campanularia subsp. campanularia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 869 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  JOTR35279  Phacelia campanularia subsp. vasiformis Andre, Jim 2012-4-16 20979 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  POM178002  Phacelia campanularia subsp. vasiformis Marcus E. Jones 1930-3-15 26506 Riverside Eagle Mountains. Comment
  CLARK-A1528-553  Phacelia cicutaria Annette Price 1962-4-22 O 35 Riverside Lake Mathews Comment
  UCR213624  Phacelia cicutaria var. hispida A. C. Sanders, Matthew Malle 2010-4-23 37996 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR251941  Phacelia cicutaria var. hispida Harun Bektas 2011-4-26 01 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  UCD120334  Phacelia ciliata D. Bramlet 1993-4-13 2324 Riverside Approximately 61 m. south of the existing Lake Mathews access road, some 549 m. north of Cajalco Road, in the 'Cajalco bend' area. Comment
  UCR6374  Phacelia ciliata Leland E. Francois 1966-3-6 s.n. Riverside Perris-Aguanga Basin, Lakeview, north of public dump Comment
  JOTR35303  Phacelia crenulata var. ambigua Andre, Jim 2012-4-11 20802 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
  UCR102923  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 1998-2-5 2669 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR74369  Phacelia crenulata var. ambigua Theo Glenn 1991-4-30 92- 71 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  JOTR33951  Phacelia cryptantha La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2837 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  POM13317  Phacelia curvipes E. C. Jaeger 1920-4-12 s.n. Riverside Old Nicholas Canyon. Santa Rosa Mountains. Comment
  CHSC109015  Phacelia distans Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4408 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell; between N33.94127, W116.64118 and N33.94722, W116.64305. 488 Comment
  CLARK-A1528-3006  Phacelia distans John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  POM3763  Phacelia distans H. M. Hall 1902-4-22 2953 Riverside Vicinity of Riverside 366 Comment
  SBBG28441  Phacelia distans D. Myrick 1964-4-30 827 Riverside Palms to Pines Hwy 74, 12 mi W of Palm Desert 1066 Comment
  CAS-BOT-BC145042  Phacelia keckii John Thomas Howell 1931-5-30 6611 Riverside Santiago Peak, Santa Ana Mts. 1219 Comment
  JEPS1181  Phacelia minor Marjorie D. Clary 1932-3-20 1611 Riverside 10 mi nw Garnet; Colorado Desert, Mission Creek 457 Comment
  RSA523477  Phacelia minor Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3937 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  SEINET3119619 Image available Phacelia minor Philip A. Munz 1940-3-22 15655 Riverside Whitewater Canyon, 2 miles north of Banning-Indio boulevard Comment
  SFV4383  Phacelia minor F. M. Ball 1964-1-4 66 6 Riverside San Bernardino Mountains Whitewater Canyon. About 1 mile north of main Banning to Indio Highway (16 miles east of Banning). East-facing slope. 475 Comment
  SJSU11223  Phacelia minor N. D. Addy 1962-4-16 Riverside near Hwy 71, 1 mi S of Alberhill 374 Comment
  UC218087  Phacelia minor P. A. Munz and I. M. Johnston 1922-5-19 5356 Riverside 5 mi ne Murietta 457 Comment
  UCR225716  Phacelia minor A. C. Sanders 2011-3-30 38911 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
  UCSB12887  Phacelia minor Breedlove, Dennis 1962-3-11 Riverside Hillside 5.7 miles southeast of U.S. 395 on State 74, road to Hemet 487 Comment
  SEINET7053237  Phacelia minor Steven R. Hill, Andrew C. Sanders; Andrew C. Sanders 2001-5-4 33707 A Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  RSA550341  Phacelia minutiflora Walter Wisura, John Dolan, M. Wall 1992-3-25 4647 Riverside Low Desert: Ford Dry Lake N of I-10 at Hopkins Well. Comment
  RSA4922  Phacelia neglecta Carl B. Wolf 1932-4-28 3089 Riverside Mesas at western edge of Maria Mts, eastern Colorado Desert, 17 miles from Blythe on the Rice road. 152 Comment
  POM3757  Phacelia tanacetifolia P. A. Munz 1918-4-27 2155 Riverside Near Corona. Comment
  SEINET5499544  Phacelia vallis-mortae H. M. Hall 1897-3-27 415 Riverside Sage Comment
  RSA291570  Phalaris aquatica C. W. Tilforth, B. Busenberg 1980-6-17 2022 Riverside Flat at large telephone signal reflector panel, south end of Thomas Mountain Road, south of Lake Hemet and west of Hwy 74 Comment
  UC76970  Phalaris canariensis F. M. Reed 1904-5-24 589 Riverside Riverside Comment
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Oct 14 2013
  UCR89892  Phalaris minor A. C. Sanders 1992-4-5 12163 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, Ford Dry Lake, north of Interstate Hwy 10 at Ford Dry Lake Road, near site of Hopkins Well 110 Comment
  UCR110970  Phlox austromontana George K. Helmkamp 1998-6-27 4107 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UCR14559  Pholisma arenarium R. Kniffen, J. Kniffen 1974-5-19 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument [now National Park], Queen Valley 1341 Comment
  POM3518  Pholistoma auritum Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, canyons near Murietta. Comment
  SBBG1372  Phoradendron californicum H. and M. Dearing 1937-4-10 2782 Riverside Thousand Palms Cyn Comment
  UC906740  Phoradendron densum Harold E. Parks Feb. 1946 24406 Riverside w. side Colorado Desert, Santa Rosa Canyon Comment
  UCD102166  Phoradendron juniperinum P. Kilburn 1958-5-30 829 Riverside Mt. San Jacinto, 5 mi. N. of Idlewild, just W. of Fern Basin Cmpgd, beside road. 2133 Comment
  CAS-BOT-BC141174  Phoradendron serotinum subsp. macrophyllum I. M. Johnston 1917-12-1 1810 Riverside Santa Ana River NW of Corona 182 Comment
  CAS-BOT-BC141177  Phoradendron serotinum subsp. macrophyllum Scott D. White 1996-4-14 3916 Riverside E of Hemet: San Jacinto River wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 548 Comment
  RSA520086  Phoradendron villosum Steve D. Boyd, David E. Bramlet 1988-10-8 2878 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UCR122584  Phoradendron villosum George K. Helmkamp 1995-11-16 119 Riverside San Jacinto Mtns, Along Calif. Hwy 243, 0.25-0.50 mi south of Bay Tree Spring (about 0.9 mi north of Lake Fulmor) 1616 Comment
  UCR103579  Physalis crassifolia George K. Helmkamp, E. A. Helmkamp 1998-1-17 2549 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCR198185  Physalis crassifolia Michael Honer, L. Hulse 2004-4-2 1873 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  UCR115346  Picris echioides A. C. Sanders 2000-11-15 23725 Riverside Perris-Aguanga Basin region, Moreno Valley, east side of Ellsworth St. between Cactus Ave. and Allesandro Blvd., near 14400 Ellsworth 476 Comment
  RSA356751  Pilularia americana R. F. Thorne, Earl Lathrop 1975-5-20 45541 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 610 Comment
  RSA85931  Pilularia americana F. W. Peirson 1922-4-29 2922 Riverside South of Lake Elsinore. 381 Comment
  CLARK-A1528-3585  Pinus coulteri John C. Roos 1942-6-20 1281 Riverside San Jacinto Mountains Comment
  UC64436  Pinus flexilis H. M. Hall 1901-8-1 Riverside San Jacinto Mountains Comment
  UCR19619  Pinus lambertiana B. Freeman 1969-3-23 690323- 2 Riverside San Jacinto Mtns., James Reserve. north of Indian Creek, 20-30 m from bridge. 1646 Comment
  UCSB74  Pinus lambertiana Haller, John 1950-5-20 Riverside San Jacinto Mtns., upper Strawberry Valley, parking area at foot of San Jacinto Peak trail 1767 Comment
  IRVC7622  Pinus monophylla P. W. Rundel Jan 1964 1181 Riverside Peninsular Ranges, San Jacinto Mountains Comment
  RSA384372  Pinus monophylla Samuel R. Tyson 1940-4-28 s.n. Riverside San Jacinto Mts. near Santa Rosa Mt. Desert slope of mountain. Comment
  RSA384462  Pinus quadrifolia Gale Sphon 1955-5-22 s.n. Riverside Pinon Flats, San Jacinto Mountains. Comment
  SBBG56372  Pinus quadrifolia V. Duran 1933-7-2 3495 Riverside near Santa Rosa 1676 Comment
  UCR273800  Piperia transversa Mitch Provance, Tom Thompson 2016-7-14 716- 25 Riverside San Jacinto Mountains, Stone Creek, about 0.6 mi. WSW of Alhatti Christian Resort and Hwy 243 1601 Comment
  RSA715055  Pistacia atlantica A. C. Sanders, T. B. Salvato 2003-5-21 26801 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  RSA0088540  Plagiobothrys arizonicus Giovanni Rodriguez 2016-4-2 17 Riverside Santa Ana mountains, Santa Rosa Plateau (vernal pool trail head). 624 Comment
  RSA747963  Plagiobothrys arizonicus Justin M. Wood 2009-5-11 704 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  RSA653420  Plagiobothrys canescens Scott D. White 1999-5-24 7387 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UCR48486  Plagiobothrys canescens Steve Boyd 1986-3-3 1376 Riverside Perris Basin, Good Hope Valley, c. 5 mi. west of Perris; DePrad Street, 0.5 mi. east of Cowie Avenue. 488 Comment
  UCR91471  Plagiobothrys canescens Scott D. White, M. Jacobsmeyer 1996-4-20 3979 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  UCR162838  Plagiobothrys collinus S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR193404  Plagiobothrys collinus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35619 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi WSW of Fleming Ranch, at ephemeral stream crossing of dirt track 1561 Comment
  UCR234278  Plagiobothrys collinus A. C. Sanders 2012-4-12 40023 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 314 Comment
  UC1605427  Plagiobothrys collinus var. californicus Steve Boyd 1986-4-2 1595 Riverside Harford Springs County Park Gavilan Hills, Gavilan Hills, Harford Springs County Park 609 Comment
  UCR182310  Plagiobothrys collinus var. fulvescens Mitch Provance 2003-4-5 6609 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  SD255121  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-9 759 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 438 Comment
  UCR136274  Plagiobothrys nothofulvus A. C. Sanders 2004-4-20 27561 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
  SD133149  Plagiobothrys stipitatus var. micranthus A. C. Sanders, Rey and D. Willick 1991-4-19 10927 Riverside Edgemont area east of Sycamore Canyon 466 Comment
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Apr 5 2007
  UCR91881  Plagiobothrys tenellus A. C. Sanders, O. F. Clarke 1996-4-13 18036 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  SD132885  Plagiobothrys undulatus Tim Cass 1979-6-1 203 Riverside Mesa de Colorado, Vernal Pool C Comment
  RSA654549  Plantago erecta Starr Streight 1982-4-17 40 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
  SDSU13316  Plantago erecta Shawn Johnston, Calif. Taxonomy Class spring 2000 2000-4-1 9 Riverside Santa Margarita Ecological Reserve North end. Comment
  RSA575826  Plantago major Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, upper Dawson Canyon. 549 Comment
  RSA402040B  Plantago ovata var. fastigiata N. R. Zabriskie, W. M. Zabriskie 1972-3-27 475 Riverside Andreas Canyon watershed, east slope San Jacinto mtns. 396 Comment
  RSA676150  Plantago ovata var. fastigiata Scott D. White 2001-4-12 8312 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  POM94813  Plantago ovata var. fastigiata Marcus E. Jones 1926-2-16 s.n. Riverside West of Desert Center Comment
  JEPS83148  Plantago patagonica R. P. Allen 1935-3-25 266 Riverside Pinto Basin Comment
  SD185278  Plantago patagonica T. B. Salvato, Kent Beaman 2005-5-16 800 Riverside San Jacinto Mountain foothills: San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of Ca. Highway 74. 548 Comment
  RSA13858  Platystemon californicus P. A. Munz 1922-4-29 5078 Riverside 0.5 mile south of Lake Elsinore 412 Comment
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Sep 25 2011
  RSA445708  Platystemon californicus E. Mannatt 1931-4-19 s.n. Riverside Riverside Comment
  RSA612781  Platystemon californicus D. L. Banks, Victor W. Steinmann 1997-3-13 1421 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
  UC50129  Platystemon californicus Geo. R. Hall 1901-3-17 Riverside Riverside Comment
  UCR27198  Platystemon californicus Marlyce Myers 1980-4-20 s.n. Riverside Perris Basin, Motte Reserve, c. 2.5 mi. NW of Perris 520 Comment
  RSA414079  Pleuraphis rigida Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7821 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  SBBG87786  Pleurocoronis pluriseta A. C. Sanders, B. Pitzer 1986-3-3 6139 Riverside N foot of Chuckwalla Mtns, 2.75 air mi SE of Desert Center 365 Comment
  UCR201879  Pluchea odorata Justin M. Wood 2008-9-19 142 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  UCSB24469  Pluchea sericea McMinn, Howard 1935-6-22 Riverside 1/4 mile south of Elsinore Comment
  UC39596  Poa fendleriana subsp. longiligula W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1913 Riverside near summit Santa Rosa Peak 2590 Comment
  UCR182092  Poa infirma Tom Chester 2005-5-3 606 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Beginning of Vista Grande Trail near intersection with Granite Loop Trail, ~0.2 miles (0.3 km) from Visitor Center 535.4 Comment
  SEINET10523398  Poa pratensis David B. Dunn 1946-8-17 Dunn 2681 Riverside Grass near stream at camp in Taquity valley damp meadow area. Grass San Jacinto Mts. 2438 Comment
  RSA801939  Poa pratensis subsp. pratensis LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6180 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  RSA772412  Poa secunda Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4853 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
  SEINET260227 Image available Poa secunda M. Curto, L. Allen 1991-5-24 712 Riverside Santa Rosa Mts vic of Ribbonwood CA Hwy 74 ca 1.5km W of USFS Pinyon Flat CG 1300 Comment
  UCR20873  Poa secunda A. C. Sanders 1978-7-3 896 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  CAS-BOT-BC242995  Poa secunda subsp. secunda Philip A. Munz 1940-3-22 15658 Riverside Whitewater Canyon, 2 miles N of Banning-Indio Road Comment
  UCD91895  Poa secunda subsp. secunda F. M. Reed 1920-3-24 4232 Riverside Colorado Desert, Murray Canon, Palm Springs. Comment
  UCR189815  Polygala cornuta var. fishiae Theresa Johnson 2006-7-7 221 Riverside Peninsular Range, Santa Ana Mountains, 0.2 mi North of Orange County border. Just north of Indian Truck Trail. Along SE edge of road at base of rock wall 1063 Comment
  UC489188  Polygonum douglasii subsp. douglasii C. V. Meyer 1928-7-27 558 Riverside Round Valley San Jacinto Mts. 2773 Comment
  UCR92093  Polygonum lapathifolium Scott D. White, S. Ogg 1994-10-17 2461 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  UCR113610  Polygonum punctatum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23718 Riverside Santa Ana River Valley, Hidden Valley Wildlife Area, c. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco 191 Comment
  IRVC19367  Polypodium californicum R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  UC70779  Polypogon australis H. M. Hall June 1900 1384 Riverside vicinity Riverside 304 Comment
  CAS-BOT-BC237275  Polypogon monspeliensis Scott D. White 1995-6-30 3417 Riverside Murrieta area, W Riverside Co, Santa Ana foothills. Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 30 Comment
  RSA740786  Polypogon monspeliensis Scott D. White, Justin M. Wood 2008-7-9 12412 Riverside Johnson Meadow 1415 Comment
  UC472732  Polypogon monspeliensis A. S. Hitchcock 1918-3-27 Riverside Colorado Desert Palm Springs; , Palm Springs 100 Comment
  RSA771034  Polypogon viridis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4541 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET8725387 Image available Populus fremontii William B. Fox 1952-1 5727 Riverside Canyon of San Jacinto River, east of Hemet. Comment
  SD129617  Porophyllum gracile Steve Myers 1990-3-21 Riverside Santa Rosa Plateau, Along Los Gatos Road, 0.5 miles south of Buena Vista Road (2 miles west of Sandia Canyon & 0.1 miles north of S.D.Co.Line 365 Comment
  CAS-BOT-BC452154  Potamogeton diversifolius H. M. Hall 1901-7-1 2490 Riverside San Jacinto Mountains. Shores of Lake Surprise 2499 Comment
  CAS-BOT-BC452157  Potamogeton diversifolius P. A. Munz 1922-9-6 6380 Riverside Hidden Lake, San Jacinto Mts 2438 Comment
  UCR20507  Potamogeton diversifolius F. M. Reed 1908-7-12 2515 Riverside San Jacinto Mtns., Margin of Lake Surprise [=Hidden Lake] 2744 Comment
  RSA608838  Potamogeton pusillus L. C. Wheeler 1961-6-24 7911 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  RSA200061  Potentilla gracilis var. elmeri L. B. Ziegler 1967-8-1 s.n. Riverside Upper Hurkey Creek south side of San Jacinto Mts. Comment
  RSA784141  Potentilla gracilis var. elmeri J. D. Olmsted 1959-6-23 668 Riverside Saunder's Meadow - near Idyllwild. M. Fk. San Jacinto. 1646 Comment
  POM48191  Potentilla gracilis var. fastigiata Mary F. Spencer 1919-7-1 1370 Riverside Idyllwild. 1616 Comment
  UC1931084  Potentilla gracilis var. fastigiata Scott D. White, Justin Wood 2008-6-19 12280 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  UCR201672  Potentilla gracilis var. fastigiata Scott D. White, Justin M. Wood 2008-6-19 12280 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  RSA0005683  Potentilla wheeleri var. rimicola Philip A. Munz, I. M. Johnston 1924-7-27 8764 Riverside Dark Canyon, San Jacinto Mountains. 2409 Comment
  JOTR34235  Prenanthella exigua Harding, Mitzi 2010-6-3 37 Riverside Joshua Tree National Park. bajada west of Eagle Mountain, approx. 1 mi NE of Cottonwood Visitor Center, approx. 1/2 mi. east of Rte. 11 975 Comment
  SJSU5255  Prenanthella exigua R. C. McGehee 1970-4-15 205 Riverside Wileys Well, 26 mi SW of Blythe Comment
  UCR115127  Proboscidea louisianica Mitch Provance 2000-10-28 2282 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  SEINET13709742  Prosopis glandulosa J. Adams, J. Adams (Botany) 1965-1 205 Riverside NE Side of Mts, Palm Springs Area, 1 Mi. Below Mt San Jacinto Tramway 3000 Ft 914 Comment
  CAS-BOT-BC206986  Prosopis glandulosa var. torreyana Steve Boyd 1986-4-10 1646 Riverside Temescal Canyon, along De Palma Road between Indian Truck Trail and Horsethief Canyon, on terrace escarpment 1.2 mi. E of Indian Truck Trail Comment
  JEPS65583  Prosopis glandulosa var. torreyana Marjorie Clary 1934-5-14 Riverside Coachella Comment
  SD211455  Prosopis glandulosa var. torreyana Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-15 1216 Riverside 30 miles west of Blythe near Palen Dry Lake. About two miles south, southeast from the north end of Palen Dry Lake. Access the area from the Corn Springs exit from I-10. Comment
  POM348748  Prosopis pubescens Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  UC63796  Prunella vulgaris var. lanceolata H. M. Hall 1897-6-17 652 Riverside vicinity Strawberry Valley (San Jacinto Mountains); , vicinity of Strawberry Valley 1615 Comment
  LA208140  Prunus fremontii Carl Epling; 1927-3-27 Riverside Palm Springs Comment
  SEINET3076903 Image available Prunus fremontii W. H. Earle 1977-1-14 Riverside Rte 74, 10 mi S of Palm Desert, Santa Rosa Mountains. 945 Comment
  SDSU13933  Prunus ilicifolia subsp. ilicifolia Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2142 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  CAS-BOT-BC356343  Psathyrotes ramosissima Lewis S. Rose 1936-12-20 36795 Riverside L.A. Aqueduct road, 10 mi. E. of Garnet Comment
  JEPS37148  Psathyrotes ramosissima W. L. Jepson 1927-4-12 11663 a Riverside Painted Canyon Mecca Hills Comment
  RSA517236  Psathyrotes ramosissima Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1323 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  SBBG50941  Pseudognaphalium biolettii N. R. Zabriskie 1974-3-27 694 Riverside N side cyn downstream from "Big Pool," Andreas Cyn, N slope San Jacinto Mtns Comment
  UCR22030  Pseudognaphalium biolettii Steve Boyd 1980-5-3 196 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR281564  Pseudognaphalium biolettii Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 124 Riverside Temescal Valley, 0.25 miles SW of the intersection of De Palma Rd. and Horsethief Canyon Rd. 396 Comment
  UCR280957  Pseudognaphalium canescens subsp. microcephalum Mitch Provance, Matt K. Beyers 2017-6-8 617- 12 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. 366 Comment
  UCR20985  Psilocarphus brevissimus var. brevissimus A. C. Sanders, Steve Boyd 1980-5-19 1483 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  UCR280605  Psilocarphus chilensis R. E. Riefner Jr. 2017-4-2 17- 143 Riverside city of Hemet, west Hemet, south of west Florida Ave. (SR74), southwest c. 0.35 mi from Lyn Ave. and California Ave. 482 Comment
  UCR151365  Psoralea macrostachya Scott D. White, Pam DeVries 2000-4-25 7734 Riverside Peninsular Ranges/ Perris-Aguanga Basin, Temescal Valley, Corona area: E foothills of the Santa Ana Mtns, just above citrus groves 518 Comment
  UC73148 Image available Psorothamnus arborescens var. simplicifolius M. T. Gilman 1904-1 51 Riverside West part of Colorado Desert; ; Colorado Desert Comment
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Jun 23 2011
  CAS-BOT-BC353614  Psorothamnus emoryi Annie M. Alexander; Louise Kellogg 1941-5-20 2204 Riverside Eagle Mountain Pumping Station Road, Eagle Mountains, Colorado Desert 792 Comment
  CAS-BOT-BC353617  Psorothamnus emoryi S. B. Parish 1896-4-1 4112 Riverside Palm Springs, Colorado Desert Comment
  CAS-BOT-BC353621  Psorothamnus emoryi C. B. Wolf 1932-4-26 2697 Riverside Colorado Desert, 3 miles E of Mecca on Blythe Road 0 Comment
  UCR16203  Psorothamnus emoryi Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon Road, 8 mi. NE of Mecca. Comment
  CAS-BOT-BC340876  Psorothamnus schottii Philip A. Munz 1937-5-29 15144 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  JOTR32490  Psorothamnus schottii Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  UC169102  Psorothamnus schottii S. B. Parish 1907-4-23 6107 Riverside Palm Springs , Palm Springs (Colorado Desert) Comment
  UC866000  Psorothamnus schottii I. W. Clokey, B. C. Templeton 1930-4-9 4688 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs 170 Comment
  POM1899  Psorothamnus spinosus J. S. Clease 1916-03 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  RSA784975  Psorothamnus spinosus Duncan S. Bell 2012-3-18 3218 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
  UC164878  Psorothamnus spinosus S. B. Parish 1912-6-28 8107 Riverside near Mecca (Red Canyon, Colorado Desert); Colorado Desert, near Mecca, Red Canyon Comment
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Nov 24 2011
  UCD108391  Psorothamnus spinosus Richard Bates 1949-4-26 s.n. Riverside Cathedral City. 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
  RSA449651  Purshia tridentata var. glandulosa N. R. Zabriskie, W. M. Zabriskie 1972-3-30 489 Riverside Carrizo Rd. (6S03) west of Sugarloaf Mtn., south of Hwy 72., Santa Rosa Mts. 1220 Comment
  UCR273238  Quercus Mitch Provance 2012-1-25 17374 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 689 Comment
  UCD47676  Quercus X acutidens D. Q. Cavagnaro 1963-9-17 84 Riverside State Highway 79, 11.4 miles west of Aguanga, Riverside County, California. 426 Comment
  UCSB41270  Quercus X acutidens Cowan, Clark 1978-4-25 Riverside 6.7 mi (10.7 km) SW on 74 from jct w/ 71, 4.6 mi (7.3 km) from Lake Elsinore, Sta. Ana Mts. Cleveland Nat. Forest; Whittaker transect #W-229 Comment
  SBBG58959  Quercus X morehus J. E. Butner 1948-10-3 656 Riverside ca. 5 mi out of Idyllwild toward Palm Springs on St Hwy 74 Comment
  UCR262388  Quercus X morehus Tom Scott 2011-1 s.n. Riverside San Bernardino Mtns., south side of mountains in Banning Canyon on USFS road 2S01 1495 Comment
  UCR108800  Quercus X munzii Beth Corrigan, John Corrigan 1966-6-13 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument [now Park], Queen Valley area, 200-300 ft. south of Ivanpah Tank 1280 Comment
  RSA716195  Quercus agrifolia var. agrifolia Scott D. White, Angelia Carey 2004-4-5 10014 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SD187413  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-12 05 599 Riverside San Jacinto Mountains, vicinity of McMullen Flat on SR 243 at Valley Hi County Park 1139 Comment
  UCR30819  Quercus agrifolia var. oxyadenia John C. Roos 1937-8-19 358 Riverside San Jacinto Mtns, near Ribbonwood, Palms to Pines Hwy. Comment
  RSA0026265  Quercus berberidifolia Fred M. Roberts 2013-6-7 7783 Riverside Peninsular Ranges: Santa Ana Mtns.: Tributary to Upper San Juan Canyon along Chiquito Basin Trail, 1.3 kilometers NNW Upper San Juan Campground. 524 Comment
  RSA519253  Quercus berberidifolia Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR162959  Quercus berberidifolia John F. Green 2005-10-20 s.n. Riverside Elsinore Basin/Menifee Valley, Bundy Canyon, N of Bundy Canyon Road c. 2 mi east of Hwy I-15 518 Comment
  UCR250001  Quercus berberidifolia Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  UCR273029  Quercus berberidifolia Mitch Provance 2012-1-25 17377 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 677 Comment
  POM122373  Quercus chrysolepis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  UCR46608  Quercus chrysolepis L. F. LaPre, Jack Easton 1987-3-24 s.n. Riverside San Jacinto Mtns., Hamilton Creek Canyon on south side of Hwy 371, east of Anza. 1220 Comment
  UCD14093  Quercus cornelius-mulleri Stephen K. Langer 1995-4-6 s.n. Riverside California, San Diego Co.; Smuggler's Canyon, Anza-Borrego Desert State Park; Comment
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Feb 22 2013
  UCR94071  Quercus cornelius-mulleri Scott D. White, D. Haselfeld 1996-7-2 4258 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  UC5839  Quercus engelmannii Samuel B. Parish 1891-11-3 2251 Riverside near Murietta (e side of Coast Range); Coast Range Comment
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Jul 15 2009
  UCR116866  Quercus ilex A. C. Sanders, T. B. Salvato 2001-5-3 24123 Riverside San Bernardino Valley region, Riverside, Watkins Drive east of Blaine St., at Lemona Siding 335 Comment
  LA205367  Quercus wislizeni W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  JOTR30996  Rafinesquia californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1318 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  RSA180443  Rafinesquia californica E. W. Lathrop 1965-5-9 5728 Riverside 6 miles W of Murrieta. Comment
  RSA702743  Rafinesquia californica Scott D. White, Michael Honer 2004-4-6 10038 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  RSA799239  Rafinesquia neomexicana Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 746 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
  CAS-BOT-BC379420  Ranunculus alismifolius var. alismellus H. E. Parks 1892-7-2 s.n. Riverside San Jacinto Mountains, Tanquity Meadows Comment
  POM297  Ranunculus alismifolius var. alismellus I. M. Johnston 1916-8-1 s.n. Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  RSA561779  Ranunculus hebecarpus Steve Boyd 1992-4-15 6849 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA249864  Ranunculus oxynotus Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38149 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  SD187468  Ranunculus sceleratus Scott D. White 2004-5-7 10319 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UC1922903  Ranunculus testiculatus Scott D. White 2005-3-24 10809 Riverside East Mojave Desert: Mountain Pass. Sandy bajadas, canyons, and washes N of the I-15 Freeway and S of the Molycorp quarry. (Mescal Range) Comment
  RSA482865  Raphanus sativus N. C. Cooper 1944-5-21 1272 Riverside San Jacinto Mountains, West side 915 Comment
  RSA594765  Rhamnus crocea D. L. Banks, Dylan Hannon 1996-5-3 0987 B 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
  SDSU10376  Rhamnus ilicifolia H. Wedberg 1962-4-20 901 Riverside At elevation 2000', 0.5 mile from Cranston Ranger Station on road to Mountain Center, Idyllwild Mtns. 610 Comment
  RSA20098  Rhamnus tomentella subsp. cuspidata I. W. Clokey, E. G. Anderson 1935-8-21 6735 Riverside North of Idlewilde. 1650 Comment
  UC18581  Rhamnus tomentella subsp. cuspidata H. M. Hall Jul 1901 Riverside Fuller's Mills Mountains, Fuller's Mills San Jacinto Mountains 1828 Comment
  UCSB26759  Rhododendron occidentale Wilken, Dieter 1969-6-30 Riverside Black Canyon, along County Road R1, 8.6 miles north of Idyllwild, San Jacinto Mtns. 1524 Comment
  RSA0034868  Rhododendron occidentale Norman C. Cooper 1944-6-17 1403 Riverside San Jacinto Mountains, above Banning. 1371 Comment
  HSC101784  Rhus ovata J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13191 Riverside Along State Route 74 1227 Comment
  JEPS66261  Rhus ovata W. L. Jepson 1939-4-17 19135 Riverside near Twin Springs (n end Temescal Canyon); Temscal Canyon 274 Comment
  LA62864  Rhus ovata Louis Wheeler; 1933-12-1 2280 Riverside San Gorgonio Pass, San Gorgonio wash at S.P. RR 640 Comment
  OBI29875  Rhus ovata Melissa Luckow, Rhonda Riggins 1982-4-15 826 Riverside Hwy 371, 3.6 mi N jctn with Hwy 79 in Aguanga Comment
  RSA650223  Rhus ovata G. W. Mason 1949-1-23 s.n. Riverside Found in Batista Canyon 7-10 miles east of Hemet 518 Comment
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Apr 29 2011
  CAS-BOT-BC93064  Ribes californicum var. hesperium John Thomas Howell 1931-5-30 6597 Riverside Santiago Peak Trail, Santa Ana Mountains. Comment
  CAS-BOT-BC108722  Ribes cereum H. M. Hall 1901-7-1 2353 Riverside San Jacinto Mountains. Tauquitz Valley. 2438 Comment
  UC79638  Ribes cereum A. W. Anthony 1895-7-7 Riverside San Jacinto Mountain 2743 Comment
  UCD170397  Ribes indecorum B. Pitzer 1998-1-25 3415 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue. 610 Comment
  RSA3114  Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 2643 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  UC69253  Ribes malvaceum var. viridifolium H. M. Hall 1896-12-13 346 Riverside vicinity Winchester (Juniper Flat) 670 Comment
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Mar 20 2011
  UCR137047  Ribes quercetorum A. C. Sanders 2004-5-5 27766 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  RSA615141  Ribes quercetorum A. C. Sanders, O. F. Clarke, H Foster 1997-3-2 19766 Riverside Box Springs Mountains E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  SEINET3089522 Image available Ricinus communis Michael DeJong 1971-4-10 Riverside Riverside, Hill behind apartments 5400 block of Olivewood Avenue, Riverside Comment
  SD130245  Romneya coulteri Scott White 1990-6-16 Riverside Cleveland National Forest, on private land just inside the Forest boundary. East wall of Hagador Canyon, near the mouth of the canyon. 395 Comment
  UCD169364  Romneya coulteri A. C. Sanders; John F. Green 2012-4-6 40013 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona. 327 Comment
  UCR270314  Romneya coulteri T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8345 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 384 Comment
  RSA727336  Rorippa palustris subsp. occidentalis Fred M. Roberts, Sandra Leatherman 2007-9-19 6587 Riverside Santa Ana Canyon: Santa Ana River, across from Green River Golf Course, 0.15 km W Green River Road Bridge. 128 Comment
  CAS-BOT-BC147178  Rubus parviflorus J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San Jacinto Mtns. Comment
  RSA220998  Rubus ursinus E. W. Lathrop 1966-3-30 6122 Riverside Mail Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  UCR216443  Rubus ursinus Nolan M. Ung 2008-5-20 032 Riverside San Bernardino Valley Region, western Riverside near Pedley, Santa Ana River on the west side of Van Buren Blvd. bridge, north bank of the river 208 Comment
  RSA0034264  Rumex John F. Emmel 1991-8-10 1194 Riverside San Jacinto Mts.; along north shore of Lake Hemet, near Picnic Area; NW 1/4 S8, T6S, R3E. 1319 Comment
  UCR194213  Rumex conglomeratus Scott D. White, Angelia Carey 2004-6-4 10474 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  RSA356720  Rumex salicifolius Robert F. Thorne, Earl Lathrop 1975-5-25 45528 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  UCR125224  Rumex salicifolius Mitch Provance, Twoc Tran 1998-5-30 567 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  UCR80798  Rumex salicifolius Scott D. White 1993-5-29 1479 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  RSA586294  Rumex salicifolius var. denticulatus D. L. Banks, S. D. Boyd 1995-5-3 204 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
  RSA659609  Salix exigua J. C. Roos 1947-2-15 3244 Riverside Lost Palms Canyon. Comment
  UCR11299  Salix exigua O. F. Clarke, M. Alexander 1971-3-31 s.n. Riverside Santa Ana River Bottom, Union Pacific Bridge 213 Comment
  UC498066  Salix exigua var. hindsiana Philip A. Munz 1932-3-24 12031 Riverside n Elsinore (along small stream) 304 Comment
  RSA717579  Salix gooddingii A. C. Sanders 2004-5-11 27842 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile SE of Alberhill 439 Comment
  UCR127541  Salix gooddingii A. C. Sanders, T. B. Salvato 2003-5-21 26785 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  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
  RSA741186  Salix lasiolepis Scott D. White, Justin M. Wood 2008-6-16 12120 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UCR159247  Salix lasiolepis A. C. Sanders, Kelly Volansky 2005-8-31 31574 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR97694  Salix lasiolepis A. C. Sanders, G. Helmkamp 1997-3-15 19969 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  CAS-BOT-BC128376  Salix lasiolepis var. lasiolepis Peter H. Raven 1958-5-17 12965 Riverside Dark Canyon Camp Ground, San Jacinto Mountains Comment
  RSA752877  Salix scouleriana Orlando Mistretta 2009-7-10 4002 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
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Jun 29 2015
  CAS-BOT-BC126315  Salix sessilifolia Ethel H. Campbell 1921-6-1 s.n. Riverside San Jacinto Comment
  UCR109570  Salsola paulsenii R. D. Goeden, Don W. Ricker 1979-3-29 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 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
  UCSB1713  Salsola tragus Kamb, Peter 1948-2-1 Riverside Valley in the Jurupa Mts. west of Colton, San Bernardino/Riverside County 304 Comment
  SEINET3860546  Saltugilia australis Leigh A. Johnson, Deborah A. Johnson 1997-5-12 97 -082 Riverside San Bernardino Natl. Forest, Cahuilla Mtn. vicinity. Along road to Cahuilla Mtn. trail, plants collected 0.3 to 1.7 miles from Tripp Flats Forest Service station. Plants farther up road in mid flower, a few in seed; mostly past flowering near start of road with capsules just ripening.; 0 1220 Comment
  JOTR16794  Saltugilia splendens subsp. splendens Moore, Sue 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  RSA585815  Salvia apiana D. L. Banks, Steve D. Boyd 1995-5-9 349 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  SD229200  Salvia apiana Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 632 Riverside Mt. San Jacinto 1085 Comment
  UC61511  Salvia apiana L. D. Copeland Apr 1904 Riverside West Canyon West Canyon, Palm Springs; Palm Springs Comment
  UC1563119  Salvia carduacea Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3235 Riverside n of Wilson Creek (valley at ne end of Vail Lake); Vail Lake Area 487 Comment
  UC63764  Salvia carduacea H. M. Hall May 1899 Riverside San Jacinto Valley Comment
  SD181465  Salvia clevelandii Scott D. White, Teresa Salvato 2001-6-8 8581 Riverside Santa Ana Mountains, southern margin of county, just northeast of Rainbow Valley; Temecula [quad]. Roadsides and open places in chaparral. 334 Comment
  IRVC2083  Salvia columbariae Jim Pierce 1965-4-7 none Riverside Blythe. Sonoran Desert Comment
  JOTR34308  Salvia columbariae Andre, Jim 2012-4-11 20722 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  POM44740  Salvia columbariae P. A. Munz, L. T. Street, G. Williams 1919-3-28 2373 Riverside Palm Springs. (Cabazon) 543 Comment
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Mar 13 2011
  RSA401487A  Salvia columbariae H. de Forest, Freda Detmers 1933-3-25 s.n. Riverside Between Banning and Cabazon Comment
  RSA770687  Salvia columbariae Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4789 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  SDSU21842  Salvia columbariae Kalee Koeslag, Allen Schellerup 2016-4-16 5 Riverside Santa Margarita Ecological Reserve, in Stone Creek woodland old road off of Red Mountian Truck Trail 183 Comment
  UCLA70081  Salvia columbariae K. Watkins and E. McClintock 1937-4-9 Riverside near Winchester turnoff (Riverside to Hemet road) Comment
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Mar 20 2011
  UCR226068  Salvia columbariae A. C. Sanders, T. B. Salvato 2011-4-1 38962 Riverside Peninsular Range, Lake Elsinore, hill 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 395 Comment
  UCR265829  Salvia columbariae Mitch Provance 2012-5-24 512- 11 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UCSB47321  Salvia columbariae Hibbard, Doug 1977-5-14 Riverside Off both sides of Hwy 74; 3.3 miles from its intersection with Hwy 111; Palm Desert area 280 Comment
  JEPS16867  Salvia greatae Marjorie D. Clary 1938-4-17 2845 Riverside n of Salton Sea (Clemen's Well); Orocopia Mountains, Big Salt Creek Wash 243 Comment
  SDSU12926  Salvia mellifera Jutta Buschbom 1991-5-1 40 a 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
  UCR121888  Salvia mellifera Ian G. Gillespie 2001-5-15 90 Riverside Lake Skinner, Perris Plain Area 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
  JEPS62763  Salvia mohavensis Marjorie Clary 1931-11-29 652 Riverside Eagle Mountains Comment
  CAS-BOT-BC224848  Salvia pachyphylla Nancy Ryan Zabriskie; Walter Zabriskie 1971-8-21 438 Riverside Below Santa Rosa Spring Camp, Santa Rosa Mountain road 2194 Comment
  JOTR34015  Salvia vaseyi La Doux, Tasha, M. Harding 2010-4-7 2902 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  SBBG27791  Salvia vaseyi D. Myrick 1964-4-30 838 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert 914 Comment
  CHSC203  Sambucus mexicana Sonia R. Westerberg 1938-4-17 Riverside Lake Elsinore Comment
  SEINET3208882  Sambucus nigra subsp. caerulea G. Goodwin 2012-6-14 3436 Riverside San Jacinto Mountains, 3 miles south of Banning along highway 243 910 Comment
  UCR174060  Sanicula crassicaulis A. C. Sanders 2006-5-19 32455 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  CLARK-A1528-1455  Sanicula tuberosa John C. Roos 1937-3-6 1304 Riverside Reche Canyon Comment
  UCR205745  Sarcostemma crispum Jordan Zylstra 2009-5-27 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pinyon Flat, north of Hwy 74, east of Pinyon Flat Campground 1220 Comment
  UC596673  Sarcostemma cynanchoides subsp. hartwegii R. J. Smith May 1904 Riverside White Water Comment
  UCR262269  Schinus molle A. C. Sanders 2006-5-13 32276 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR162541  Schinus polygamus Michael D. Wilcox 2005-7-28 s.n. Riverside Upper Santa Ana River Basin, Riverside, east of Mt. Rubidoux, 4737 Indian Hill Road off Mission and adjacent to Santa Ana River 244 Comment
  RSA777635  Schismus arabicus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 772 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  SD127570  Schismus arabicus David Charlton 1988-2-18 1192 Riverside Alluvial fan, S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10, 5 mi. E of Jct Dillon Rd. and Fargo Cyn Rd. Comment
  HSC10886  Schismus barbatus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23093 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  RSA0106763  Schismus barbatus Duncan S. Bell, Amanda Turek 2009-3-29 138 Riverside Northeast section of the Arica Mountains; northwest section of Rice Valley; approx. 2.25 air miles south of the ghost town of Rice. 230 Comment
  RSA757739  Schismus barbatus LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4308 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR97244  Schismus barbatus Scott D. White 1997-2-28 4719 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  POM1408  Schoenoplectus americanus D. L. Crawford 1916-2-3 s.n. Riverside Santa Ana River (Prado Beach) Comment
  UCR41637  Schoenoplectus americanus A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6093 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR93042  Schoenoplectus americanus Scott D. White, S. Ogg 1994-10-17 2471 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  SEINET10602603  Scribneria bolanderi Andrew C. Sanders, H. Spilman 1993-4-24 Sanders 13775 Riverside San Bernardino Mountains; Summit Valley on Hwy 173, 5.4 miles NE of The Hwy 138 junction & 1 mile S of the Grass Valley Cr. Crossing. Gentle slopes of decomposed granite soil on low hills. Chaparral with Adenostoma fascic.,, Cercocarpus betul.Haplopapus linearif., Juniperus calif, Ceanothus greg., Eriodictyon trich.Eriogonum fascic.etc. above a creek with willows and a few sycamores. Comment
  UCR116419  Scrophularia californica A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24189 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
  UCSB72211  Scutellaria bolanderi subsp. austromontana Sanders, A.; Thomas, Tim; Salvato, T. 2008-6-25 Riverside Peninsular Range; San Jacinto Mtns; May Valley c. 1.0 mi. WSW of Fleming Ranch; along nameless tributary of Herkey Creek (Idyllwild 7.5' Q.,±1000m;T5S R3E S20, SE/4). 1585 Comment
  CAS-BOT-BC341095  Scutellaria mexicana A. C. Sanders; K. Rose 1995-4-5 16373 Riverside San Bernardino Mtns./Coachella Valley: alluvial slopes and foothills S of Mission Creek and W of Hwy 62 700 Comment
  UCD92559  Secale cereale R. N. Raynor 1938-6-20 s.n. Riverside Herky Creek. Comment
  SD67926  Sedum niveum Reid Moran 1968-8-3 15365 Riverside On rocky northeast slope of Santa Rosa Mountain. 2250 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
  UC1481743  Selaginella bigelovii C. C. Hall 1922-12-10 Riverside Relief Hot Springs Comment
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Mar 13 2011
  UCR177514  Selaginella bigelovii A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32538 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  CAS-BOT-BC62078  Selaginella eremophila Ira L. Wiggins 1938-3-25 8925 Riverside Eagle Canyon, 3-5 miles south of Palm Springs Comment
  SD82568  Selaginella watsonii Louis C. Wheeler 1931-10-3 Riverside San Jacinto Mountain, Tahquitz Peak 2620 Comment
  UC831722  Senecio I. W. Clokey and E. G. Anderson 1935-8-21 6777 Riverside Keen Camp P.O. 1350 Comment
  CLARK-A1656-755  Senecio douglasii Theo Glenn 1981-10-15 Riverside San Jacinto Mountains Comment
  RSA0125005  Senecio flaccidus var. douglasii N. Cooper 1949-6-3 4149 Riverside Temecula. 762 Comment
  RSA709863  Senecio mohavensis Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4588 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC1552024  Senecio mohavensis David Charlton 1988-2-19 1174 Riverside mudstone wash n Mecca Hills (Box Canyon on road between Cottonwood Wash and Mecca, near Mecca, Colorado Desert Wash Community); Orocopia Mtns., Box Canyon 457 Comment
  RSA94665  Senecio mohavensis F. W. Peirson 1927-4-12 7156 Riverside In Painted Canyon near Mecca. Comment
  CAS-BOT-BC364530  Senecio vulgaris Fred Reed 1925-3-1 4955 Riverside Chicago Ave., Riverside 274 Comment
  RSA612491  Senecio vulgaris D. L. Banks 1997-2-23 1326 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  SBBG100864  Senecio vulgaris W. L. Halvorson 1977-3-13 77 -173 Riverside near Temecula Comment
  POM13744  Senecio vulgaris E. C. Jaeger 1921-6-12 1192 Riverside Fairmount Park, Riverside Comment
  SD84910  Senegalia greggii Nancy Ryan Zabriskie, Walter Zabriskie 1971-10-24 458 Riverside Andreas Canyon, East side of San Jacinto Mountains, north side of stream, Comment
  UC1999590  Sequoiadendron giganteum Rudolf Schmid and Mena J. Schmid 2009-5-1 2009 -4 Riverside NW San Jacinto Mountains, NE of HW 243 ca. 16 highway km NW of Idyllwild, in the S unit of the San Bernardino National Forest, on SE flank of Black Mountain (summit) Comment
  CAS-BOT-BC438203  Sesuvium verrucosum Scott D. White; Steve Ogg 1994-10-17 2467 Riverside Temecula Valley. Murrieta Ck 1000 ft S of Winchester Rd. bridge (Banana Ave on USGS Murrieta quad, photorev. 1979). 310 Comment
  UC1132945  Setaria viridis H. S. Yates 1936-8-29 6373 Riverside Idlewild San Jacinto Quad., Idlewild Comment
  CSUSB591  Sidalcea malviflora J. E. Parlevlief 1958-5-11 Riverside Along highway 74, about 3/4 mile west of summit of road on the El Cariso campgrounds 761 Comment
  SD148118  Sidalcea malviflora A. C. Sanders, Steven R. Hill 2001-5-4 24143 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 Crk. Dr.), E side of Rancho C. Rd (Temecula 7.5') 487 Comment
  SBBG94917  Sidalcea sparsifolia E. LaRue 1990-4-10 Riverside midway between Pauba Valley & Wolf Valley; 0.5 mi N of the Pechanga Indian Reservation 365 Comment
  CHSC117998  Sidotheca trilobata R. F Thorne; W. Wisura, Dave Mitchener 1982-1-1 55191 Riverside Peninsular Ranges; Santa Ana Mountains region: Cleveland National Forest, along Main Divide Truck Road. 915 Comment
  RSA180333  Silene gallica E. W. Lathrop 1964-5-10 5348 Riverside 10 miles west of Murrieta. 610 Comment
  RSA180462  Silene gallica E. W. Lathrop 1960-6-8 4904 Riverside 14 miles west of Murrieta. Comment
  RSA192157  Silene laciniata subsp. major E. W. Lathrop 1966-5-15 6301 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA34600  Silene laciniata subsp. major N. C. Cooper 1944-6-4 1318 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  UC1294019  Silene laciniata subsp. major E. K. Balls 1958-6-27 23295 Riverside from jct with Main Divide 3.1 mi nw along Indian Trunk Trail; Santa Ana Mts., along Indian Trunk Trail fr jct w/Main Divid 914 Comment
  CAS-BOT-BC389585  Silene parishii Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  UC852935  Silene parishii P. A. Munz 1922-9-7 6412 Riverside San Jacinto Peak 3261 Comment
  SEINET1908451  Silene verecunda A. C. Sanders, Mitch Provance 2008-1 35800 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 12.5mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station. 1450 Comment
  UCR48504  Silybum marianum Steve Boyd 1986-4-22 1726 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  SBBG25812  Simmondsia chinensis M. Van Rensselaer 1937-6-23 Riverside Palms to Pines Hwy Comment
  SD42296  Simmondsia chinensis Carl B. Wolf 1939-7-7 9524 Riverside Mi. North of Temecula-Aguanga Rd. on road to Hemet 762 Comment
  UC1281215  Simmondsia chinensis H. E. McMinn 1937-3-5 4486 Riverside on road from Pinto Basin to Mecca (ne border of Cottonwood Mts.); ne border of Cottonwood Mts. Comment
  UC572467  Simmondsia chinensis H. S. Yates 1937-3-24 6459 Riverside Deep Canyon; Thermal Quadrangle, Deep Canyon Comment
  UCR89656  Simmondsia chinensis Bern Schwenn 1994-3-23 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, Hexie Mtns: E side of Pleasant Valley on south side of Mtns, along road between Hershey Mill Site and El Dorado Mine 976 Comment
  RSA793412  Sisymbrium altissimum Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3954 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  UC1494255  Sisymbrium erysimoides O. F. Clarke 1977-10-24 Riverside University of California Riverside campus, e of the Agricultural Extension offices University of California Riverside campus Comment
  RSA272165  Sisymbrium irio John F. Emmel 1975-10-16 540 Riverside Hemet, near intersection of Stanford St. and El Camino Dr. 488 Comment
  SD133131  Sisymbrium orientale Scott White 1991-5-13 91 91 Riverside Highway 79, immediately west of Dripping Springs Campground 550 Comment
  SD224902  Sisymbrium orientale Scott D. White 1995-3-30 2679 Riverside Moreno Valley. Hills directly S of SR 60, W of bend in Moreno Beach Dr. Comment
  IRVC12880  Sisyrinchium bellum B. T. Gittins 1966-5-1 1283 Riverside Santa Rosa Plateau. Peninsular Ranges, Santa Ana Mountains Comment
  RSA407734  Sisyrinchium bellum Steve Boyd 1986-5-1 1803 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  UC218260  Smilacina stellata P. A. Munz 1922-7-6 6006 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  UCR112476  Solanum americanum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23323 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  JEPS12093  Solanum douglasii W. L. Jepson 1901-5-17 21256 Riverside Riverside, from Riverside to Santa Rosa Peak and Palomar Riverside 266 Comment
  UC917796  Solanum douglasii Frank W. Gould 1943-4-17 2115 Riverside 12 mi s of Corona Comment
  UCR112521  Solanum douglasii Mitch Provance 1998-2-13 14 Riverside Jurupa Mountains, Pyrite Canyon, 'Central Pyrite Dune', c. 0.3 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 320 Comment
  UCR114622  Solanum esculentum Mitch Provance 2000-7-23 904 B Riverside Jurupa Mtns, Property just NE of the Jurupa Mtns. Cultural Center 305 Comment
  SD123746  Solanum lanceolatum Andy C. Sanders, O. F. Clarke, R. Allert 1984-7-18 5110 Riverside Riverside, vacant field northeast of intersection of Tyler and Cypress Avenues. 305 Comment
  CAS-BOT-BC237739  Solanum mauritianum A. C. Sanders 1993-1-30 s.n. Riverside Rustin Ave. ca. 1 block N of Spruce St., Riverside East 7.5' Q, Riverside 289 Comment
  POM90993  Solanum umbelliferum E. C. Jaeger 1925-12-22 s.n. Riverside Aguanga. Comment
  SBBG120599  Solanum xanti A. C. Sanders with T. B. Salvato, K. Volansky 2006-5-26 32587 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 549 Comment
  UCR130705  Solanum xanti George K. Helmkamp, E. A. Helmkamp 1998-6-27 4069 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  UCR78563  Solanum xanti Sanford Eigenbrode 1992-4-29 s.n. Riverside Box Springs Mtns, [Coyote Hill] above UCR Botanic Garden 427 Comment
  RSA552721  Solidago californica Steve Boyd 1992-2-26 6691 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  SEINET6062840  Solidago californica Unknown 1935-8-21 6981 Riverside Hemet Lake. By road. Comment
  RSA522085  Sonchus asper Steve Boyd, Timothy S. Ross, K. A. Boyd 1989-6-24 3751 Riverside Vail Lake area, near summit of 'Little Oak' Mtn. along road. 627 Comment
  UCD136133  Sonchus asper subsp. asper B. Pitzer 1997-4-20 3182 Riverside Lakeview Mountains. Intersection of Dutton St. with Voltaire Vista Road. 610 Comment
  SEINET3149240  Sophia pinnata G. B. Grant 1906-1 1228 -6767 Riverside Colorado desert at Palm Springs. Southern California Comment
  RSA597076  Sorghum halepense D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1114 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the S side of the intersection of Vail Ranch Road and Marge Place. 426 Comment
  SEINET10960227  Sorghum halepense Steve Boyd 1989-7-9 Boyd 3769 Riverside City of Riverside, weeds in vegetable garden of house at 4863 Rubidoux Ave. Comment
  POM153402  Sparganium erectum subsp. stoloniferum Phillip A. Munz, I. M. Johnston 1928-9-12 11301 Riverside Marsh, 1/2 mile N. of Temecula. Comment
  CSUSB1337  Spartium junceum Eric Helgesen 1968-5-4 Riverside Highway 60, 10 miles from Hemet turnoff. Comment
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Jun 16 2013
  RSA0098510  Spergularia atrosperma P. A. Munz 1922-4-29 5075 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  SEINET6190201  Spergularia marina Scott D. White, Justin Wood 2008-1 12286 Riverside Beaumont Badlands, San Timoteo Canyon, meadow along San Timoteo Creek. El Casco 640 Comment
  UCR92076  Spergularia marina Scott D. White, S. Ogg 1994-10-17 2459 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  UCR18402  Spergularia rubra A. C. Sanders 1978-4-20 00273 Riverside San Jacinto Mountains, James Reserve, around the old cabins 1646 Comment
  CAS-BOT-BC5571  Sphaeralcea ambigua Alice B. Chittenden 1917-4-2 s.n. Riverside Palm Springs Comment
  RSA777340  Sphaeralcea ambigua Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4713 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 W116.65128 604 Comment
  RSA172244  Sphaeralcea ambigua subsp. ambigua Robert F. Thorne 1963-3-29 32433 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 534 Comment
  RSA85460  Sphaeralcea ambigua subsp. ambigua J. C. Roos 1952-4-16 5542 Riverside Box Springs 488 Comment
  JOTR34376  Sphaeralcea ambigua var. ambigua Andre, Jim 2012-4-16 20896 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  UC1121988  Sphaeralcea ambigua var. ambigua H. S. Yates 1936-4-6 5410 Riverside Palm Springs; San Jacinto Quad. 137 Comment
  NY236510  Sphaerostigma pallidum L. Abrams 1903-4-6 3228 Riverside Cabazon near the station. Comment
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Mar 13 2011
  RSA446612  Stachys albens Louis C. Wheeler 1932-7-9 927 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR87849  Stachys stricta Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  RSA650763  Stanleya pinnata Richard Clark 1969-5-24 s.n. Riverside Hwy 74 - Riverside marker #8813. Comment
  LA26720  Stanleya pinnata var. pinnata William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  UCD115804  Stanleya pinnata var. pinnata William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR151404  Stellaria media D. L. Banks 1997-2-23 1331 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  UCD136319  Stephanomeria exigua subsp. deanei K. Esau 1935-6-15 s.n. Riverside Hemet Valley. Comment
  UCR161414  Stephanomeria exigua subsp. deanei A. C. Sanders, Mike Misenhelter 2005-9-20 31676 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
  UCR193740  Stephanomeria exigua subsp. deanei A. C. Sanders, Mitch Provance 2008-7-11 35760 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
  RSA6126  Stephanomeria exigua subsp. exigua C. B. Wolf 1932-5-25 3683 Riverside San Gorgonio Wash, on road to Snow Creek 366 Comment
  RSA632464  Stephanomeria exigua subsp. exigua Scott D. White 1999-5-28 7433 Riverside Gavilan Hills: Ca. 3 air miles SE of junction Cajalco Rd. / Gavilan Rd.: East of Juniper Rd. between Blue Sky Drive and Celestial Dr. 670 Comment
  UC69017  Stephanomeria exigua subsp. exigua H. M. Hall May 1905 6026 Riverside Pinto Mts. Colorado Desert Comment
  RSA721113  Stephanomeria pauciflora W. Blanchard 1932-11-11 s.n. Riverside About 3 mi. S. of Palm Springs Station. Comment
  RSA766634  Stephanomeria pauciflora var. pauciflora Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-22 170 Riverside McCoy Wash. N of I-10. Rd going N from Black Rock Rd. S side of private land boundary. 244 Comment
  CAS-BOT-BC375871  Stephanomeria virgata Mitch Provance 2003-7-7 6524 Riverside San Bernardino Valley: S of the site of the historic town of Declezville, in an unincorporated part of Riverside Co. just S of Fontana (in the Southridge area), along the NW slopes of the Jurupa Mountains, ca. 0.3 miles ENE of peak 1437 317 Comment
  JOTR30696  Stillingia linearifolia La Doux, Tasha, Jim Andre 2008-9-13 263 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  RSA457868  Stillingia linearifolia P. J. Remple 1942-3-3 s.n Riverside San Gorgonio Pass below Cabazon. Comment
  RSA604752  Stillingia linearifolia A. C. Sanders 1995-4-13 16502 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 701 Comment
  SEINET870195  Stillingia linearifolia Robert F. Thorne, C. W. Tilforth 1980-1 54156 Riverside San Bernadino Mountains. East side of Whitewater River at mouth of canyon, ca. 1/4-1/2 mile east of Whitewater Post Office. Comment
  UC420667  Stillingia linearifolia E. E. Schellenger 1911-4-25 Riverside White Water River Colorado Desert Comment
  RSA763988  Stillingia spinulosa Justin M. Wood, D. M. Ray 2010-10-21 2993 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  UCR26191  Stillingia spinulosa John C. Roos 1937-4-28 1286 Riverside Sonoran (Colorado) Desert, Between Rice and Desert Center [on Rice Road, hwy 177] Comment
  UCR280412  Stipa capensis Ann Clandening 2017-4-28 s.n. Riverside Sonoran (Colorado) Desert, Blixseth Park, Rancho Mirage, Magnesia Falls cove 93 Comment
  UCR266480  Stipa cernua Mitch Provance, Robin Kinmont 2015-3-27 315- 54 Riverside Perris-Aguanga Basin Region, Murrieta Hot Springs, Leon Rd. (unmarked dirt portion) on unnamed hill c. 0.5 miles W of Skunk Hollow, vicinity of W terminus of Promontory Parkway. 430 Comment
  UCR127103  Stipa coronata Mitch Provance 1998-6-1 573 Riverside Jurupa Mountains, SW Pyrite Canyon, c. 0.4 miles SSE of peak 1768 442 Comment
  UCR174333  Stipa coronata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32649 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
  UCR23314  Stipa speciosa John C. Roos 1952-4-9 5495 Riverside Riverside, W face of Mt. Rubidoux 400 Comment
  UCR18047  Stylocline gnaphaloides O. F. Clarke 1967-1 s.n. Riverside UCR campus, in botanic garden Comment
  POM184642  Suaeda moquinii L. C. Wheeler 1931-11-27 386 Riverside 3 miles SE of Salton Bench Mark. -76 Comment
  UCR24916  Symphoricarpos mollis A. C. Sanders 1980-7-18 1666 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
  CAS-BOT-BC324212  Syntrichopappus lemmonii Louis B. Ziegler 1968-4-16 s.n. Riverside South side of San Jacinto Mtns., Hemet Valley 1371 Comment
  SEINET13009199  Tamarix chinensis J. S. Horton 1968-3-13 31 Riverside Indio; east on Highway 60; Coachella Drain. 15 Comment
  SEINET10575115  Tamarix ramosissima John F. Gaskin 1998-6-15 Gaskin 67 Riverside Colorado River N of Interstate 10 Agricultural Inspection, E Blythe. Comment
  SEINET8495295 Image available Tamarix ramosissima Duncan S. Bell, Evan Meyer 2014-4-1 6483 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
  UCR16088  Tauschia arguta Charles Herrick 1974-4-26 s.n. Riverside 0.25 mi south of the Calimesa turnoff of Hwy 10 655 Comment
  UC21447  Tauschia parishii H. M. Hall 1898-6-27 950 Riverside El Toro Mt.; San Jacinto Mountains, El Toro Mt. 2590 Comment
  UCR80805  Tauschia parishii Scott D. White 1993-5-29 1469 Riverside San Bernardino Mtns, Big Oaks Canyon, along the road to Raywood Flat,Yucaipa Ridge 2134 Comment
  UCSC002895  Tauschia parishii Peter Kamb 1948-7-3 1152 Riverside Hall Canyon, San Jacinto Mountains Comment
  CAS-BOT-BC202566  Tetracoccus hallii Marcus E. Jones 1927-4-16 s.n. Riverside Cottonwood Spring, near Sahver's Well Comment
  RSA456253  Tetracoccus hallii H. de Forest 1935-4-14 20158 Riverside Near Cottonood Springs, Mohave Desert. Comment
  SEINET2444071  Tetracoccus hallii C. Davidson 2010-4-2 11701 Riverside 8.1 mi S of Hwy 111 in Palm Desert on Hwy 74 (pines Palms Hwy.). Creosote bush scrub on rocky east slope of San Jacinto Mts. 1078 Comment
  CDA26835  Tetradymia comosa Mike Lahti 2008-11-4 PDR# 1509246 Riverside Hemet, 0.5 miles east of Sage Rd. along Red Mountain Rd. 0 Comment
  POM37476  Tetradymia comosa Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA1357  Tetradymia comosa B. D. Stark 1930-2-21 724 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  UC1979342  Thalictrum David Keil 1983-4-15 16898 Riverside East of Temecula on SR79. Comment
  UCR35162  Thamnosma montana L. B. Ziegler 1972-3-1 436 Riverside San Jacinto Mtns., At Pinyon Flats 1220 Comment
  UCSB3569  Thamnosma montana White, Arthur 1960-5-15 Riverside 10mi. se. of road to Anza on Hwy. 74, Across road from Pinon Flat campground 1219 Comment
  UCR213523  Thysanocarpus curvipes A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37843 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  RSA0041597  Thysanocarpus curvipes John F. Emmel 1973-5-13 455 Riverside Dry Creek, SW of Idyllwild, San Jacinto Mts. 1372 Comment
  CHSC35811  Thysanocarpus curvipes var. eradiatus Janes Henrickson 1973-3-18 8610 a Riverside Ca 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger, at N end of Coyote Canyon Road, on the first steep grade down to canyon. 792 Comment
  HSC6999  Thysanocarpus laciniatus C. L. Hitchcock, C. V. Muhlick 1964-3-22 23253 Riverside Side canyon near S entrance to Joshua Tree National Monument. Comment
  UC1080456  Tidestromia oblongifolia P. C. Everett and E. K. Balls 1958-4-29 23022 Riverside 4 mi NE of Desert Center alng road to Rice and Vidal Jct. 259 Comment
  SBBG72704  Tidestromia suffruticosa var. oblongifolia M. N. Ackley -Feb-1926 2 Riverside Mecca -60 Comment
  SD83644  Tidestromia suffruticosa var. oblongifolia R. Mitchel Beauchamp 1970-11-15 1390 Riverside 7 miles east of Mecca 89 Comment
  JEPS67423  Tiquilia palmeri W. L. Jepson 1927-4-13 11687 Riverside n.e. of Mecca (mouth of Painted Canyon); Colorado Desert, Painted Canyon 45 Comment
  UC604864  Tiquilia plicata Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9566 Riverside 2 mi. up Painted Canyon; Colorado Desert, Mecca Hills Comment
  CLARK-A1528-1386  Trianthema portulacastrum John C. Roos 1965-9-5 Riverside Chuckwalla Valley Comment
  UCR207605  Tribulus terrestris O. F. Clarke 2004-5-10 s.n. Riverside Peninsular Range, Riverside, UCR campus, agricultural operations area west of Canyon Crest Dr. and south of Martin Luther King Blvd., at 'Midgeville' the Entomology Dept. experimental ponds 302 Comment
  UC107591  Tricardia watsonii S. B. and W. F. Parish Apr 1882 721 Riverside Agua Caliente (= Palm Springs); Colorado Desert Comment
  RSA0088338  Trichoptilium incisum H. J. Andrews 1939-10-22 s.n. Riverside Pinto Basin. Comment
  UCLA54138  Trichostema austromontanum subsp. austromontanum H. Lewis 1941-7-30 1479 Riverside Lake Hemet; ; Lake Hemit, Riverside Co. Comment
  RSA709801  Trichostema lanceolatum A. C. Sanders 2004-6-30 28389 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City. 470 Comment
  RSA586089  Trichostema parishii D. L. Banks, Steve D. Boyd 1995-3-30 130 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. 634 Comment
  UCLA54861  Trichostema parishii C. Epling 1938-8-14 Riverside Santa Rosa Mountains Comment
  UCR151246  Trichostema parishii Scott D. White 1999-7-9 7534 Riverside Peninsular Ranges; San Jacinto Mts region, Idyllwild Area: near Idyllwild Community Service District sewage ponds at terminus of USFS Road #S24.2 1433 Comment
  RSA543838  Trifolium albopurpureum Steve Boyd, Orlando Mistretta 1991-5-22 6307 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR166817  Trifolium albopurpureum Chris E. True 2005-4-18 s.n. Riverside Peninsular Range, South of Lake Mathews near ranger station for Lake Mathews/Estelle Mtn. Preserve 448 Comment
  RSA594787  Trifolium albopurpureum var. albopurpureum D. L. Banks, Dylan Hannon 1996-5-3 0982 Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 150 m SE of the Helipad at the upper camp sites. 524 Comment
  RSA652937  Trifolium ciliolatum A. C. Sanders 1997-5-1 20609 Riverside Lake Skinner area: north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  RSA563916  Trifolium depauperatum var. amplectens A. C. Sanders 1993-4-5 13690 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
  SD140098  Trifolium depauperatum var. truncatum A. C. Sanders 1993-4-1 13665 Riverside Western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. & Devonshire Ave., 3/4 mile NE of the intersection of Florida Ave. (Hwy 74) & Warren Road, just south of Tres Cerritos 459 Comment
  UC866788  Trifolium gracilentum P. A. Munz and I. M. Johnston 1922-5-20 5451 Riverside Kenworthy San Jacinto Mtns 1417 Comment
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Mar 25 2011
  UCR140698  Trifolium gracilentum A. C. Sanders 2004-5-12 27875 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  SD137759  Trifolium microcephalum Darin L. Banks, Steve Boyd 1995-5-17 461 Riverside North west palomar mountains, Cleveland National forest, Agua Tibia Wilderness area, north face of Agua Tibia mountain. East of the Drippings Springs Alcove area west of the Dripping Springs Trail, along the west fork of upper Arroyo Seco 658 Comment
  UC866906  Trifolium monanthum subsp. grantianum P. A. Munz 1922-7-6 6010 Riverside Tahquitz Valley San Jacinto Mtns 2194 Comment
  RSA736533  Triticum Michael Denslow 2004-2-1 1907 Riverside North of Blythe; along Hwy 95, just south of Main Canal on west side of road. 76 Comment
  RSA662527  Triticum aestivum J. C. Roos 1966-4-29 s.n. Riverside Winchester. Comment
  CAS-BOT-BC323085  Trixis californica unspecified 1901-2-1 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC323090  Trixis californica Carl B. Wolf 1930-5-25 853 Riverside Chuckawalla Valley Comment
  RSA0042382  Trixis californica Duncan S. Bell, LeRoy Gross 2014-3-13 6235 Riverside Orocopia Mountains; southern section of range; approximately 1.75 west northwest of Clemens Well. 293 Comment
  RSA338319  Trixis californica L. M. Shultz, John Shultz 1985-4-18 8350 Riverside southwest benches of the Chuckwalla Mountains at Alligator Rock. 341 Comment
  UCR70732  Trixis californica Donald A. Johansen, Joseph A. Ewan 1932-4-11 7108 Riverside W Colorado Desert, N of Tahquitz Canyon Comment
  JOTR31813  Trixis californica var. californica La Doux, Tasha, Bill Truesdell 2007-11-9 2520 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; Canyon parallel to and east of Lost Palms Canyon (Stop 5) 651 Comment
  UC1531146  Trixis californica var. californica Robert F. Thorne, W. Wisura, A. Shmida, and R. Whittaker 1978-4-23 52023 Riverside Palms to Pines Highway San Jacinto Mountains, Chino Canyon (Chino Canyon, San Jacinto Mountains) Comment
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Apr 24 2011
  CAS-BOT-BC67526  Tropidocarpum gracile C. F. Baker Apr. 5 4128 Riverside Hemet. Comment
  RSA0125294  Tropidocarpum gracile Duncan S. Bell 2016-3-3 8780 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  RSA681881  Tropidocarpum gracile Scott D. White 2001-3-13 8160 Riverside Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 442 Comment
  UCR114818  Tropidocarpum gracile Mitch Provance, Seychelle Provance 1998-2-21 96 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon. 396 Comment
  UCR144404  Tropidocarpum gracile Scott D. White 2001-4-19 8386 Riverside Perris-Aguanga Basin, Perris / Sun City area. Just east of Goetz Road and south of Ethanac Road, c. 1.5 - 2.0 mi west of Interstate 215 473 Comment
  RSA0031745  Typha domingensis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4557 Riverside Transverse Ranges, San Bernardino Mountain region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.95609, W116.64365 and N33.95477, W116.64248. 526 Comment
  JOTR31799  Typha latifolia La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2101 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Oasis 944 Comment
  UCR220310  Typha latifolia 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
  SD8803  Uropappus lindleyi Daniel Cleveland 1882-5-5 Riverside Temecula Comment
  UCR21996  Urtica dioica subsp. holosericea Steve Boyd 1980-7-12 330 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA0057843  Urtica gracilis var. holosericea John C. Roos 1951-9-25 5286 Riverside West end of Fairmount Park, Riverside. 259 Comment
  UCR167683  Verbena lasiostachys T. B. Salvato, Melissa Clemons 2005-6-23 1298 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  RSA0021077  Verbena lasiostachys var. lasiostachys Scott D. White 1999-5-20 7370 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi W of I-215 freeway. 442 Comment
  UCR23182.1  Verbena tenuisecta S. Gallagher 1981-5-5 11 Riverside SE corner of Pigeon Pass Road and Serpentine Road. Shoulder of Pigeon Pass Road 10 m east of Serpentine/Pigeon Pass Road Street Sign 366 Comment
  UC1929731  Veronica anagallis-aquatica Scott D. White with Jonathan Campbell 2008-4-18 11902 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. Comment
  UC1929854  Veronica anagallis-aquatica Scott D. White, Lynn Stafford 2007-7-5 11755 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. Comment
  RSA556496  Veronica peregrina subsp. xalapensis Julie Greene 1993-4-3 1115 Riverside San Jacinto Wildlife Area; around pond #3. 442 Comment
  RSA593697  Veronica peregrina subsp. xalapensis Steve D. Boyd, David E. Bramlet 1996-4-19 8629 Riverside San Jacinto Valley, San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  UCR224453  Veronica peregrina subsp. xalapensis A. C. Sanders, T. B. Salvato 2011-3-28 38805 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  UCR271708  Veronica peregrina subsp. xalapensis Mitch Provance 2011-7-4 17176 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  RSA450073  Veronica peregrina var. xalapensis J. C. Roos 1966-3-24 s.n. Riverside Near Edgemont. On the muddy edge of a vernal pool, assoc. with Callitriche. Comment
  RSA0094191  Viguiera parishii Duncan S. Bell, Evan Meyer 2014-10-29 7683 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA412707  Viola pedunculata E. Crow 1929-4-7 297 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  SBBG50809  Vitis girdiana R. S. Woglum, McGregor 1934-3-18 646 Riverside Snow Crk, E of Palm Springs Comment
  UCR41312  Vitis girdiana N. M. Fellows, A. C. Sanders 1985-5-7 172 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  SEINET10861541  Vulpia Charles L. Hitchcock, C. V. Muhlick 1962-3-16 Hitchcock 22134 Riverside Temescal Canyon, 8 mi. s.e. of Corona in open, sandy wash anthers all included no stigmas exposed even though plants mature and surely in anthesis. Comment
  POM157938  Vulpia microstachys var. pauciflora P. A. Munz 1937-5-20 10831 Riverside Coahuila Valley 1220 Comment
  RSA528064  Vulpia myuros var. hirsuta Scott D. White 1991-4-10 91 49 B Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road. 610 Comment
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Mar 20 2011
  RSA36555  Vulpia octoflora Sara M. Schenck 1941-4-25 s.n. Riverside Joshua Tree National Monument Comment
  CAS-BOT-BC77878  Woodwardia fimbriata Nancy Ryan Zabriskie; Walter Zabriskie 1971-2-13 338 Riverside Andreas Canyon, east slope San Jacinto Mountains 304 Comment
  RSA16476  Woodwardia fimbriata Percy C. Everett 1935-6-19 7231 Riverside Main Divide Motorway, Bear Spring 1219 Comment
  SDSU13701  Xylococcus bicolor James C. Dice with B. Thomas 1987-9-21 726 Riverside Unnamed side canyon of Temecula Gorge, ca. 2.6 km ENE of Gavilan Mountain. T8S, R3W, northwest 1/4 of southwest 1/4 of section 27. 290 Comment
  CAS-BOT-BC326960  Xylorhiza cognata J. Wear; N. Moorhatch 1993-6-11 s.n. Riverside Mecca Hills 60 Comment
  SBBG19003  Xylorhiza cognata H. and M. Dearing 1939-2-10 4633 Riverside Painted Cyn, near Mecca Comment
  UCR274563  Xylorhiza cognata Michelle Murphy-Mariscal, Kathleen D. Fleming 2014-4-9 XYCO- 07 Riverside Sonoran (Colorado) Desert, Mecca Hills, Painted Canyon, side canyon to east, c. 0.3 mi. below end of road 189 Comment
  UCR178592  Yucca schidigera R. G. Swinney 1967-5-26 1361 B Riverside Sonoran (Colorado) Desert/ San Bernardino Mtns., White Water Bench 305 Comment
  UCR84890  Yucca schidigera A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16124 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  POM13930  Zannichellia palustris Philip A. Munz, D. D. Keck 1922-4-14 4991 Riverside Mud flat at Mystic Lake, near Moreno Comment
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Mar 20 2011
  RSA379431  Zigadenus fremontii F. H. Elmore 1934-2-24 s.n. Riverside Between Riverside and Perris, Gavilan Mountains. 610 Comment
  CAS-BOT-BC59771  Ziziphus obtusifolia var. canescens B. D. Stark 1932-6-15 3734 Riverside Colorado Desert. Mecca-Blythe Rd., 2 mi. w. of Utopia. 213 Comment
  UCD107423  Zygophyllum fabago T. C. Fuller 1969-7-16 18681 Riverside E. side of Cottonwood St., 0.5 mi. s. of Hobson Way, Blythe. Comment



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