Search Results — 2000 specimen records retrieved (1911 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR67715  Abies concolor Frank C. Vasek, K. Neisess 1979-7-26 790726- 05 Riverside Santa Rosa Mtns, N of Toro Peak at Virgin Spring 2348 Comment
  CAS-BOT-BC401159  Abronia villosa Sarah J. De Groot; April Garbat 2013-3-28 6995 Riverside Along Highway 177 at sandy area just south of the Desert Lily sanctuary, Chuckwalla Valley, just south of the Coxcomb Mountains 152 Comment
  PASA1845  Abronia villosa R. Peirce 1966-4-21 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  RSA553905  Abronia villosa Scott D. White 1992-9-11 788 Riverside Vicinity of Gilman Hot Springs, N side of San Jacinto River, and a thin strip trending N of the river and W of the Hot Springs 451 Comment
  RSA782198  Abronia villosa Duncan S. Bell 2011-10-22 2985 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UCR233709  Abronia villosa Duncan S. Bell 2010-5-1 870 Riverside Sonoran (Colorado) Desert, Arica Mountains, c. 11 air miles west of Rice, at the junction of Hwy 62 and the aqueduct access road 242 Comment
  UCR90170  Abronia villosa R. W. Scora 1966-4-1 3028 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  CDA23841  Abronia villosa var. aurita T. C. Fuller 1962-4-3 7988 Riverside West of Highway 99 to Indio, 0.2 mile north of turn-off to Twenty Nine Palms, head of Coachella Valley. 0 Comment
  RSA304156  Abronia villosa var. aurita Jim R. Shevock 1970-4-25 159 Riverside 3 miles south of Glen Ivy 305 Comment
  SEINET1906751  Abronia villosa var. aurita D. E. Bramlet, Fred M. Roberts, Michael C. Couffer 2004-1 3548 Riverside Perris-Aguanga Basin: South Bernasconi Hills. Adjacent to existing acess road. 244 m S of the Ramona Expressway and 2.2 km W of the San Jacinto River. 487 Comment
  RSA726576  Abronia villosa var. villosa Naomi S. Fraga, Sarah J. De Groot, Lisa Rojas, Lel Lubinsky 2005-2-10 1420 Riverside Along Palen Road near Hwy 177. 170 Comment
  UCR234810  Abronia villosa var. villosa Jim Andre, Glenn L. Clifton 2011-2-22 17467 Riverside Coachella Valley, just south of Hwy I-10 at Amtrak train station parking , just west of North Indian Canyon Drive 186 Comment
  UC604867  Acacia greggii Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9563 Riverside Mecca Hills 2 mi up Painted Canyon; Mecca Hills Comment
  RSA666720  Acacia redolens A. C. Sanders, T. B. Salvato 2001-3-30 23856 Riverside Temecula, Long Canyon west Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada. 366 Comment
  CAS-BOT-BC30904  Acamptopappus sphaerocephalus Joy Keck 1935-4-14 3837 Riverside Lower Morongo Canyon, Colorado Desert Comment
  POM13607  Acamptopappus sphaerocephalus var. sphaerocephalus E. C. Jaeger 1921-4-1 1138 Riverside Mission Creek Wash Comment
  RSA314173  Acer negundo subsp. californicum Walter Wisura 1983-11-12 3949 Riverside Along trail above Morris Ranch Rd., above Garner Valley, San Jacinto Mtns. Comment
  UCR34912  Achillea millefolium L. B. Ziegler 1968-6-12 313 Riverside San Jacinto Mtns, Thomas Mtn 1951 Comment
  CAS-BOT-BC210592  Achnatherum coronatum H. M. Hall 1899-5-27 1167 Riverside San Jacinto Mountains. El Toro Mt., Coyote Canon [Canyon] 1584 Comment
  POM365986  Achnatherum hymenoides George B. Grant 1906-4-20 861 Riverside Palm Springs. Comment
  UC39984  Achnatherum occidentale H. M. Hall Jun 1 1901-Jul 1 1901 2325 Riverside near Tahquitz; San Jacinto Mts. 2682 Comment
  RSA387363  Achyrachaena mollis Steve Boyd 1986-4-19 1708 Riverside Temescal Canyon Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  RSA696573  Achyronychia cooperi Mary Edmunds 1932-3-25 s.n. Riverside Colo. Desert-Coachella Valley. Oasis near sea level. Comment
  CAS-BOT-BC204874  Acmispon argyraeus var. argyraeus H. M. Hall 1897-8-1 s.n. Riverside Sta [Santa] Rosa Mt 25 m. S. of Palm Springs Comment
  SD130259  Acmispon glaber Ed LaRue 1990-4-13 Riverside I(c) mi NW of town of Aguanga, N of Hwy 79 & W of Hwy 371; ca. 1I(c) mi (airline) N of San Diego Co. line. 640 Comment
  CHSC110683  Acmispon micranthus Dean Wm. Taylor 2003-5-7 18530 Riverside Lakeview Mountains, 0.4 air miles SSE of Nuevo Benchmark, under electrical transmission line corridor. 624 Comment
  RSA701117  Acourtia microcephala M. Wall 1996-7-22 179 Riverside S. of Beaumont, Hwy 79, 2.6 mi S of Fwy 10 on E slopes off dirt rd. 610 Comment
  UC495325  Adenophyllum porophylloides P. A. Munz 1932-4-24 12395 Riverside dry rocky wash in Snow Creek Canyon; San Jacinto Mts. 457 Comment
  UCR251946  Adenostoma fasciculatum Harun Bektas 2011-4-26 16 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  POM78684  Adenostoma sparsifolium Albert J. Perkins 1916-9-9 s.n. Riverside Road, Idyllwild to Hemet. Comment
  SEINET10964943  Adenostoma sparsifolium Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7147 Riverside Chaparral along roadside 1036 Comment
  UCR237942  Adenostoma sparsifolium Mark A. Elvin 2004-6-2 3500 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, east of Hwy 74 between Fobes Ranch Rd. and Morris Ranch Rd. at base of foothills 1402 Comment
  UC811108  Adiantum capillus-veneris Ivan Johnston 1917-4-4 Riverside Little Palm Canyon Fork Palm Canyon; Colorado Desert 304 Comment
  POM870  Adiantum jordanii O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  SD138005  Adiantum jordanii Darin L. Banks, Steve Boyd 1995-3-30 119 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope AguaTibia Mtn., west of Dripping Springs Alcove, east of Woodchuck Trail Comment
  SEINET273140 Image available Adiantum jordanii A. C. Sanders 1997-3-26 20103 Riverside Lake Skinner Area; along foot trail at W base of Tucalota Hills UTM 10km cell; MH-9E 1N. Skinner Reservoir 518 Comment
  RSA597082  Agave americana Darin L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1120 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 m inside the preserve boundary gate., 100 m E of the main road at the edge of an open field and the native chaparral. 448 Comment
  UCR34897  Agoseris retrorsa L. B. Ziegler 1969-6-3 371 Riverside San Jacinto Mtns, Thomas Mtn. 1835 Comment
  UCSB37902  Agrostis exarata A. C. Sanders 1980-7-18 # 1668 Riverside collected 2.0 mi SW along Thomas Mountain Rd at Spillway Canyon, in the Thomas Mountains State Highway 74 - Spillway Canyon, State Highway 74 and Thomas Mtn. Rd. 1462 Comment
  RSA457393  Agrostis stolonifera A. R. Roos 1937-8-19 10693 Riverside Idyllwild, San Jacinto Mountains. Comment
  SEINET3074278 Image available Ailanthus altissima Oscar F. Clarke 1970-7-22 Riverside Growing in the Botanic Gardens of the University of California at Riverside. Comment
  UCR207357  Alchemilla occidentalis O. F. Clarke 1997-3-8 s.n. Riverside Peninsular Range, Box Springs Mtns., east edge of Riverside, along Box Springs Mtn. Rd. 668 Comment
  POM13217A  Aliciella latifolia E. C. Jaeger 1921-04 1129 Riverside Painted canyon, near Mecca. Comment
  RSA462622  Allionia incarnata Albert J. Perkins 1916-4-15 s.n. Riverside Palm Springs. Comment
  UCR256701  Allionia incarnata Duncan S. Bell 2012-3-18 3228 Riverside Sonoran (Colorado) Desert, Mecca Hills; mouth of Box Canyon, north side of Coachella Canal 14 Comment
  UC63836  Allium burlewii H. M. Hall 1901-6 2310 Riverside ridges and peaks near Tauquitz; San Jacinto Mountains 1981 Comment
  UCR239205  Allium campanulatum Steven R. Hill 2001-4-29 33524 Riverside Calimesa, south side of Route I-10 right-of-way, 0.2 mi west of Desert Lawn Road exit 705 Comment
  UCR48386  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills, Summit of Estelle Mountain. 841 Comment
  RSA500142  Allium lacunosum var. lacunosum Robert F. Thorne, E. W. Lathrop 1975-5-25 45560 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  UC1544767  Allium munzii Steve Boyd 1986-5-7 1827 Riverside top of small ridge extending out from base of mountain (s slope of Alberhill Mt.); Temescal Canyon, Alberhill Mt. 426 Comment
  RSA367128  Allium praecox B. C. Templeton, C. B. Clokey, I. W. Clokey 1930-4-15 1484 Riverside North of Gavilan Peak. 550 Comment
  UC3117  Allium praecox Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR124659  Allium praecox B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1484 Riverside Gavilan Hills, north of Gavilan Peak, west of Perris 549 Comment
  RSA526139  Allophyllum glutinosum Steve Boyd, T. S. Ross 1990-5-11 4652 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UC1075822  Allophyllum glutinosum Verne Grant 1955-5-17 9597 Riverside crest of Santa Ana Mts. (near Hwy. 74); Riverside-Orange Co., Santa Ana Mts. 810 Comment
  RSA5485  Alnus rhombifolia C. B. Wolf 1932-5-24 3649 Riverside 1/2 mile below the fish hatchery, Snow Creek, north base of San Jacinto Mts. 549 Comment
  SD60432  Alnus rhombifolia Reid Moran 1964-7-27 11856 Riverside Canyon of Santa Margarita River, 2.5 miles south-southwest of Temecula 199 Comment
  CAS-BOT-BC137954  Alopecurus saccatus Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37442 Riverside Santa Rosa Plateau. Mesa de Colorado. 670 Comment
  RSA487826  Amaranthus albus A. C. Sanders 1988-11-6 8741 Riverside Coachella Valley, W side of Hwy 86, 6.25 mi. S of it s junction with hwy 111 in Coachella and 3.85 mi. n of Valerie Jean, 0.55 mi. N of ave 60. -11 Comment
  UC64578  Amaranthus albus H. M. Hall 1901-8-6 2650 Riverside Moreno Comment
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Mar 20 2011
  UCR59521  Amaranthus albus Steve Boyd 1989-6-4 3609 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  UCR92341  Amaranthus albus Scott D. White 1995-7-7 3447 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA661035  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23080 Riverside McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  CDA3239  Amaranthus cruentus A. C. Sanders 2002-1-14 24890 Riverside Upper Santa Ana River/San Bernardino Valley Region; Riverside, east side of Streeter Ave. just S of Scott Ave., between Arlington and Central Aves. Comment
  UCR119445  Amaranthus cruentus A. C. Sanders 2002-1-14 24890 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, east side of Streeter Ave. just south of Scott Ave., between Arlington and Central Aves. 238 Comment
  RSA661034  Amaranthus retroflexus A. C. Sanders, Mitch Provance 1999-9-26 23077 Riverside McMullen Flat ca. 1 km NW of Valley High County Park, ca. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  RSA711758  Amaranthus retroflexus B. L. Phillips 1994-9-12 s.n. Riverside A weed on the UCR campus at the community vegetable gardens at the NE corner of the intersection of Canyon Crest Dr. and M.L. King Blvd. (=Pennsylvania Avenue). Comment
  RSA314492  Ambrosia acanthicarpa R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55355 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UCR176692  Ambrosia acanthicarpa R. D. Goeden, Don W. Ricker 1969-7-31 s.n. Riverside Peninsular Range; San Jacinto Mtns., Lake Hemet, along Hwy 74 south of inlet 1326 Comment
  CAS-BOT-BC22610  Ambrosia dumosa Samuel B. Parish 1907-4-23 6092 Riverside Palm Springs, Colorado Desert Comment
  JOTR35086  Ambrosia dumosa La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3537 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  POM308631  Ambrosia dumosa Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3218 Riverside Near Indio. Comment
  RSA314630  Ambrosia dumosa R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55425 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA516900  Ambrosia dumosa Orlando Mistretta 1986-3-13 1420 Riverside Northeast of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (Rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA761044  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-21 152 Riverside N of Desert Center. Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  UCD128795  Ambrosia dumosa Geoffrey Levin 1975-4-5 475 Riverside Box Canyon Wash on State Highway 195, 18.3 mi. NE of Jcn. Of 195 and 111 (Mecca). Between Mecca Hills and Orocopia Mountains. 30 Comment
  SEINET10882135  Ambrosia dumosa Billy Joe Cox 1975-4-23 Cox 4157 Riverside Palo Verde, 1-3 km W, (ca. 32 m S of Blythe). Riverside-Imperial Co. 70 Comment
  CAS-BOT-BC30798  Ambrosia ilicifolia Edmund C. Jaeger 1921-4-12 s.n. Riverside Aztec Wash. Chuckawalla Mts. Comment
  UCR24358  Ambrosia ilicifolia John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 2.5 mi. SE of Desert Center, Chuckwalla Mts. Comment
  POM10301  Ambrosia psilostachya Anonymous 1903-10-19 385 Riverside Old stewart Ranch. West Riverside Comment
Read comments
Apr 7 2011
  UC1605396  Ambrosia psilostachya Steve Boyd 1994-10-14 8392 Riverside San Mateo Canyon at confluence with Bluewater Canyon; Southern Santa Ana Mountains, Cleveland N.F. 329 Comment
  CAS-BOT-BC273033  Ambrosia salsola 1939-3-30 3346 Riverside Between Mecca and Blythe on old highway Comment
  CAS-BOT-BC273037  Ambrosia salsola Peter H. Raven 1958-1-24 11445 Riverside Desert alluvial fan of Fargo Canyon Comment
  UC32871  Ambrosia salsola var. salsola S. B. Parish Apr 4 1896-Apr 13 1896 4123 Riverside desert base San Jacinto Mt.; Palm Springs (Agua Caliente) 152 Comment
  UC1046273 Image available Ammoselinum giganteum P. A. Munz and D. Keck 1922-4-13 4930 Riverside Chuckawalla Valley; ; Chuckawalla Valley, Colorado Desert 152 Comment
  SD136851  Amorpha californica Steve Boyd, Tim Ross 1992-5-15 7403 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area, major lateral drainage north of Bear Canyon, junction of the Tenaja & Morgan Trails, west of Round Potrero, along stream in understory of oak woodland in canyon bottom 669 Comment
  POM1907  Amorpha fruticosa Crawford 1919-6-9 1225 Riverside Santa Ana River, near Corona. 152 Comment
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Sep 17 2008
  CAS-BOT-BC213971  Amsinckia John H. Thomas 1957-3-30 6571 Riverside About 3 miles southeast of White Tank near teh road to Cholla Cactus Garden, about 20 miles northeast of Indio, Joshua Tree National Monument 883 Comment
  UCR261444  Amsinckia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41435 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
  JEPS29301  Amsinckia intermedia Rimo Bacigalupi and L. R. Heckard 1962-3-25 8396 Riverside 5 mi se Corona (just n of Bedford Canyon, hills at e base of Santa Ana Mountains); Santa Ana Mountains 304 Comment
  UCR163218  Amsinckia intermedia T. B. Salvato, Kelly Volansky 2003-3-27 135 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA339325  Amsinckia menziesii R. F. Thorne, C. W. Tilforth 1980-5-28 54205 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
  SD187373  Amsinckia menziesii Scott D. White, Angelia Carey 2004-4-16 10173 Riverside Indian Creek and adjacent slopes. 548 Comment
  RSA689377  Amsinckia menziesii var. menziesii Scott D. White 2001-4-19 8384 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  RSA403050  Amsonia brevifolia var. tomentosa Jack Rempel, de Forest 1935-4-14 s.n. Riverside Near Cottonwood Springs. Mohave Desert. Comment
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Jun 10 2012
  CSUSB1819  Anagallis arvensis Deborah Sullivan 1973-7-17 Riverside Pedley, Riverside. 243 Comment
  SD187465  Anagallis arvensis Scott D. White, Angelia Carey 2004-5-7 10315 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  RSA296116  Andropogon glomeratus B. A. Prigge 1980-8-11 3887 Riverside San Bernardino Mountains, Whitewater Canyon: 1.1 miles N of Interstate 10. 473 Comment
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Jan 14 2010
  CAS-BOT-BC137812  Andropogon glomeratus var. scabriglumis Catherine Best 1999-2-7 1505 Riverside Growing along the creek in Andreas Canyon, near Palm Springs. Comment
  UC20803  Angelica tomentosa H. M. Hall 1897-7-29 740 Riverside San Jacinto Mountain 1524 Comment
  UC874528  Angelica tomentosa Mary F. Spencer 1923-7-28 2315 Riverside Banning road, Idyllwild, San Jacinto Mountain San Jacinto Mountain; , Idyllwild, Banning Road Comment
  SEINET270813 Image available Anisocoma acaulis Richard J. Shaw 1958-4-6 1098 Riverside Joshua Tree National Monument ; On road from White Tank Campground to South Entrance 610 Comment
  UC1930030  Anisocoma acaulis Scott D. White, Justin Wood 2008-5-15 11964 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. (Idyllwild) Comment
  UC130485  Antennaria rosea Mrs. C. M. Wilder 1909-7-13 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley Comment
  RSA0000864  Antennaria speciosa H. M. Hall 1891-07 2401 Riverside San Jacinto Mts. Tamarack Valley. 2835 Comment
  CDA20168  Antirrhinum coulterianum J. Chandler 2003-6-16 PDR 1261500 Riverside Southern California; on Wildwood Ln in Aguanga. 0 Comment
  POM10108  Antirrhinum coulterianum Charlotte M. Wilder 1904-5-15 183 Riverside North side of Jurupa Hills, NW of Riverside Comment
  UCR1000  Antirrhinum coulterianum J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  UC1191180  Antirrhinum filipes Herbert L. Mason 1952-4-7 14206 Riverside near Palm Springs; Palm Canyon Comment
  RSA736258  Antirrhinum kelloggii Scott D. White, Justin M. Wood 2008-4-3 11788 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' property, Alberhill area. 274 Comment
  UCR216400  Antirrhinum kelloggii Mike Bell 2008-3-30 028 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  JEPS4273  Antirrhinum nuttallianum subsp. nuttallianum W. L. Jepson May 17 1901-Jun 1 1901 1218 Riverside mesas e Riverside; ; This seems rather as if a good var. but my field memory of it now hazy. . .W.L.J., Aug. 23, 1943. Comment
  RSA585509  Antirrhinum nuttallianum subsp. nuttallianum D. L. Banks, Steve D. Boyd 1995-5-9 370 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
  UCR93825  Antirrhinum nuttallianum subsp. nuttallianum G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  UCR250315  Apiastrum angustifolium A. C. Sanders 2014-4-16 41017 Riverside Peninsular Range, Temescal Valley, Campbell Ranch Rd. between Indian Truck Trail and Temescal Canyon Rd., south of Sycamore Creek Fire Station 372 Comment
  POM9018  Apiastrum angustifolium P. A. Munz 1920-3-20 3388 Riverside Temescal Canyon 366 Comment
  SD122932  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Road, 7 miles west of Rancho California. 365 Comment
  POM319710  Apium graveolens Patricia Wilder 1970-10-30 4844 Riverside Along road on south side of Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area. 152 Comment
  UC22901  Apocynum androsaemifolium H. M. Hall 1901-6 Riverside ridges & peaks near Tahquitz San Jacinto Mts. 2286 Comment
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Aug 3 2008
  SDSU13000  Apocynum cannabinum Michael G. Simpson 1999-10-27 2030 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  RSA49177  Arabis glaucovalvula P. A. Munz 1949-4-13 13057 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  UCR13411  Arabis holboellii William E. Mortenson 1973-5-27 730527- 02 Riverside San Jacinto Mtns., 1.2 mi SW of Idyllwild, 0.5 mi west of Hwy 243 on Delano Road near intersection with Tollgate road. Along stream bank where Strawberry Creek crosses Toll Gate Road 1580 Comment
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Nov 13 2008
  RSA482603  Arabis perennans E. C. Jaeger 1922-4-22 733 Riverside Keyes Ranch on granitic soils. 1280 Comment
  UCR18483  Arabis pulchra A. C. Sanders 1978-6-11 00219 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UC66491 Image available Aralia californica E. A. Zumbo 1904-1 430 Riverside <Cold Water> Canyon Santa Ana Mts., <Cold Water> Canyon Comment
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Jun 23 2011
  SEINET6630818  Arceuthobium campylopodum I. W. Clokey, E. G. Anderson 1935-8-21 6574 Riverside Idlewilde- Banning 1650 Comment
  CAS-BOT-BC516264  Arctostaphylos Scott D. White 1996-8-16 4482 Riverside San Jacinto Mts., Idyllwild area, SW of PIne Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd. Cyn.) 1859 Comment
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Oct 23 2018
  UCR169507  Arctostaphylos Scott D. White 1996-8-16 4482 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  RSA629369  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16848 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA631727  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16502 Riverside Hills around Indian Oaks Ranch, east of Lake Skinner. 500 Comment
  UCR76880  Arctostaphylos glauca B. G. Pitzer, Stu Hemstreet 1992-5-21 1949 A Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  RSA633529  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20121 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633550  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21788 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633639  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20145 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633680  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16658 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633760  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22653 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA635685  Arctostaphylos pringlei Jon E. Keeley 1992-7-16 16827 Riverside Idyllwild, saunders Mdw. Rd., E of Hwy 243, San Jacinto Mtns. 1610 Comment
  SEINET5604112 Image available Arctostaphylos pringlei Unknown 1961-1 Unknown Riverside Pine Cove, Idyllwild, CA. Comment
  LA42421  Arctostaphylos pringlei subsp. drupacea Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  LA42426  Arctostaphylos pringlei subsp. drupacea O. A. Plunkett; 1926-5-16 sn Riverside San Jacinto Mountains 1523 Comment
  UCR122531  Arctostaphylos pringlei subsp. drupacea George K. Helmkamp, E. A. Helmkamp 2001-5-20 6681 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  CAS-BOT-BC44813  Arctostaphylos pungens Winfield 1975-5-4 2423 Riverside James - San Jacinto Reserve 1615 Comment
  POM367450  Arctostaphylos pungens Albert J. Perkins 1916-9-14 s.n. Riverside Idlewild Comment
  UC21839  Arctostaphylos pungens H. M. Hall 1901-6-12 2102 Riverside w side San Jacinto Mountains Comment
  UCSB4761  Arctostaphylos pungens Gill, Robert 1959-11-22 Riverside Idyllwild; San Jacinto Mt. Range; Pacific slope drainage area 1645 Comment
  RSA636033  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19541 Riverside Carancho Rd., W. of Temecula. 440 Comment
  UCR189791  Arctostaphylos rainbowensis Amy Rowland 2007-9-19 110 Riverside Peninsular Range; Santa Ana Mountains, San Mateo Canyon, by the Tenaja trailhead off Cleveland Forest Rd (west side, near restrooms). Found on on southwest side of trail 608 Comment
  UCR18879  Arenaria douglasii John C. Roos 1952-5-26 5726 Riverside Reche Canyon 427 Comment
  UC219563  Arenaria macradenia var. macradenia P. A. Munz 1922-6-23 5789 Riverside 2 mi below Kenworthy; San Jacinto Mts.,Hemet Valley 1371 Comment
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Mar 25 2011
  SJSU8578  Argemone munita R. C. McGehee 1970-5-1 261 Riverside Graham Pass on Graham Pass Rd between Chuckwalla & Little Chuckwalla Mts, 14 mi S of Interstate Hwy 10 Comment
  UCR92150  Argemone munita D. L. Banks, Peter L. Morrell 1995-5-4 0305 Riverside Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail, on hills north of Wildhorse Peak. 622 Comment
  CAS-BOT-BC401679  Argemone munita subsp. munita Gerald B. Ownbey; Findley Ownbey 1954-8-7 2178 b Riverside 13.2 miles s.e. of Idyllwild, Hemet Valley 1371 Comment
  RSA781412  Aristida adscensionis Duncan S. Bell 2011-10-22 2992 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
  UCD56426  Aristida adscensionis D. C. Finfrock 1951-5-10 s.n. Riverside Hwy. 60-70 at Black Rock, 10 miles west of Blythe. Comment
  UCR198192  Aristida adscensionis Michael Honer, L. Hulse 2004-4-3 1891 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  POM319745  Aristida adscensionis var. abortiva Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, near Mecca, Colorado Desert. Comment
  RSA129291  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6723 Riverside Head of Deep Canyon. 1220 Comment
  POM47177  Aristida purpurea var. purpurea Mary F. Spencer 1920-3-27 1538 Riverside Palm Springs. 122 Comment
  RSA0034601  Aristida purpurea var. purpurea J. C. Roos 1965-8-15 s.n. Riverside Gilman Hot Springs, San Jacinto Valley. Comment
  UCD56874  Aristida ternipes var. gentilis H. S. Yates 1937-6-27 6709 Riverside lower San Jacinto River Canyon. 640 Comment
  UC101099  Artemisia californica Vernon Bailey 1907-10-24 Riverside Cabazon Comment
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Mar 13 2011
  RSA638202  Artemisia douglasiana Scott D. White 1998-10-9 7172 Riverside Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  UCR243132  Artemisia dracunculus Kate Kramer 2012-5-8 257 Riverside Peninsular Range; San Jacinto Mountains, south side of Hwy 74 near cement-lined water flue at National Forest Lands boundary 576 Comment
  UCR17532  Artemisia ludoviciana subsp. incompta Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  CAS-BOT-BC90853  Artemisia nova Louis B. Ziegler 1964-8-15 s.n. Riverside on an area of about ten across about one and one-half miles north of Kenworthy Ranger Station, Garner Valley, 1615 Comment
  SD140128  Arthrocnemum subterminale A. C. Sanders 1993-5-12 14006 Riverside Hemet, southwest corner of the intersection of Florida Ave. (Highway 74) and Warren Road, between New San Diego Aqueduct and Warren. 455 Comment
  JEPS5536  Asclepias albicans Marjorie D. Clary 1932-4-12 178 Riverside 8 mi sw Coachella; Colorado Desert, Santa Rosa Mts. 152 Comment
  PASA1941  Asclepias albicans 4/28 Riverside Hidden Springs Comment
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Aug 27 2016
  RSA0034596  Asclepias albicans Scott D. White 2001-4-3 8234 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  RSA0040026  Asclepias albicans Duncan S. Bell, Evan Meyer 2014-4-1 6488 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of this range; approximately 4.75 air miles northwest of Gucci Spring; approx. 5 air miles north of the Bradshaw Trail. 759 Comment
  SEINET9121976  Asclepias californica R. Woglum 1937-1 531 Riverside Temecula Comment
  UCR24889  Asclepias eriocarpa A. C. Sanders 1981-7-22 01743 Riverside San Jacinto Mtns., Alvin Meadows, 2 mi. (airline) WSW of Idyllwild 1529 Comment
  RSA763978  Asclepias erosa Justin M. Wood, D. Ray 2010-10-21 2999 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  UCR112062  Asclepias fascicularis Mitch Provance 1999-6-30 1746 Riverside Box Springs Mtns., City of Riverside, at the corner of Rustin Ave. and Marlborough Ave. 305 Comment
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Sep 1 2011
  RSA0011742  Asplenium vespertinum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2917 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR147805  Asplenium vespertinum Steve Boyd, Aydee Virgen 2004-4-13 10896 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  RSA417618  Aster alpigenus var. andersonii Anstruther Davidson 1876-7-7 s.n. Riverside Strawberry Valley. Comment
  RSA602395  Aster subulatus var. ligulatus L. C. Wheeler 1955-6-10 7153 Riverside 2 miles W of Blythe. Comment
  CAS-BOT-BC177514  Astragalus bernardinus C. L. Hitchcock 1940-4-3 5942 Riverside Between Cottonwood Spgs. and Pinto Basin Comment
  CAS-BOT-BC177528  Astragalus bicristatus Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  POM263028  Astragalus didymocarpus J. C. Roos 1937-5-23 695 Riverside La Sierra. Comment
  RSA801713  Astragalus douglasii Keith E. Hoffmaster 1937-6-6 794 Riverside San Jacinto mountains, near Hemet Lake Comment
  UCR251991  Astragalus douglasii A. C. Sanders, T. B. Salvato 2014-7-2 41162 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  SFV4932  Astragalus douglasii var. parishii M. H. Grayum 1971-6-9 s. n. Riverside San Jacinto Mountains Along Banning-Idyllwild Road. 1524 Comment
  RSA522754  Astragalus gambelianus Steve Boyd 1990-3-29 3861 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
  UCR91477  Astragalus gambelianus Scott D. White, M. Jacobsmeyer 1996-4-20 3946 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  CAS-BOT-BC186897  Astragalus insularis var. harwoodii H. M. Hall 1901-4-5 5945 Riverside McCoy Wash, Colorado Desert Comment
  UCR18937  Astragalus insularis var. harwoodii John C. Roos, Lucille Roos 1949-4-10 4222 Riverside Sonoran (Colorado) Desert, N base of the Chuckwalla Mountains Comment
  UCR25291  Astragalus insularis var. harwoodii John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 3 mi. SE of Desert Center, Chuckwalla Mtns. Comment
  VVC2470  Astragalus insularis var. harwoodii Tim Thomas 2013-3-18 5930 Riverside Sonoran Desert, 12 miles WSW of Blythe; south of I-10. vic of powerline corridor. 145 Comment
  CLARK-A1656-728  Astragalus lentiginosus var. coachellae Theo Glenn 1981-4-24 Riverside San Jacinto Mountains Comment
  RSA498238  Astragalus lentiginosus var. coachellae T. W. Minthorn 1926-5-15 s.n. Riverside Near Indio. Comment
  RSA0126279  Astragalus nuttallianus var. cedrosensis Duncan S. Bell 2016-3-4 8809 Riverside Orocopia Mountains; northwestern section of the range, small canyon approximately 4 air miles north northwest of the summit of the Orocopia Mountains. 627 Comment
  UCD105146  Astragalus oocarpus K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
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Nov 7 2014
  RSA0029413  Astragalus pachypus John F. Emmel 1996-4-14 1394 Riverside Rouse Ridge, San Jacinto River drinage; along Rouse Ridge Road, 4.0 road mi SSE of Cranston Ranger Station. 878 Comment
  UCR100780  Astragalus pachypus var. jaegeri Robert Noll 1998-6-17 s.n. Riverside San Jacinto Mountains, Rouse Hill Road on Rouse Ridge, south of Cranston Guard Station 1037 Comment
  UCR189576  Astragalus pachypus var. jaegeri Carlos Navarro 2006-5-30 069 Riverside South San Jacinto Mountains, Rouse Ridge, c. 2.5 mi. south of Highway 74, c. 6 mi east of Baldy Mountain 1053 Comment
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Aug 25 2010
  JEPS54841  Astragalus palmeri Marjorie Clary 1934-3-3 Riverside 18 mi w Indio (Carrizo Canyon); , w of Indio 304 Comment
  RSA415418  Astragalus palmeri Mark Morris 1929-3-17 14926 Riverside Palm Canyon. Comment
  CAS-BOT-BC194143  Astragalus pomonensis Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula 365 Comment
  CAS-BOT-BC194147  Astragalus pomonensis John Thomas Howell 1930-5-10 4782 Riverside Levevl field at March Field Comment
  POM26493  Astragalus pomonensis Marcus E. Jones 1903-5-11 s.n Riverside Banning. 701 Comment
  RSA748216  Astragalus pomonensis G. Gust, L. Nye 2005-3-10 532 Riverside City limits of Lake Elsinore on River bank just off of Auto Center Dr., N of junction with Diamond Dr. 400 Comment
  UC863014  Astragalus pomonensis K. Watkins and E. McClintock 1937-4-9 Riverside pasture 1 mi w San Jacinto; w of San Jacinto Comment
  CLARK-A1528-5425  Astragalus sabulonum John C. Roos 1949-3-19 4118 Riverside Mecca Comment
  RSA0119893  Astragalus tricarinatus Duncan S. Bell, Thomas Stoughton 2016-4-12 9214 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  RSA692505  Athyrium filix-femina subsp. cyclosorum Norman C. Cooper 1944-6-17 1413 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  RSA66528  Athysanus pusillus F. W. Peirson 1921-3-22 2833 Riverside Murray Canyon near Palm Springs. 457 Comment
  SBBG69663  Atrichoseris platyphylla M. N. Ackley 1928-3-31 163 Riverside Hidden Spring Cyn 182 Comment
  RSA57457  Atriplex argentea Steve Boyd 1985-8-7 1117 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
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Feb 26 2013
  UCR93047  Atriplex argentea Steve Boyd 1985-8-7 1117 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  RSA1355  Atriplex canescens B. D. Stark 1930-3-17 752 Riverside Mockingbird Canyon Dam Comment
  RSA543198  Atriplex canescens Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6098 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
  HSC4322  Atriplex canescens var. linearis L. S. Rose 1966-12-11 66096 Riverside Palm Springs 152 Comment
  RSA0135546  Atriplex coronata var. notatior David E. Bramlet 2005-7-13 3903 Riverside Bloome parcel. 854m north of the San Jacinto River and 915m SW of Mystic Lake. Just south and west of the San Jacinto Wildlife Area. 433 Comment
  CAS-BOT-BC334494  Atriplex elegans var. elegans R. E. Riefner, Jr. 2013-8-17 13 -190 Riverside City of Lake Elsinore, along Collier St. and Hwy 74 S to Temescal Wash. 393 Comment
  RSA0013398  Atriplex elegans var. elegans A. C. Sanders, John F. Green 2012-6-25 40307 Riverside Temescal Canyon near I-15 crossing of Temescal Canyon Rd. and Temescal Creek, c. 2.6 km SE of Lee (Corona) Lake 361 Comment
  SBBG128636  Atriplex elegans var. elegans A. C. Sanders, J. F. Green 2012-6-25 40307 Riverside Temescal Cyn near I-15 crossing of Temescal Cyn Rd and Temescal Crk, ca. 2.6 km SE of Lee (Corona Lake); Santa Ana Mtns 361 Comment
  SEINET4133774  Atriplex elegans var. elegans N. Duane Atwood 1991-9-6 17073 Riverside 4 mi E of Beaumont along I-10.; 0 Comment
  CAS-BOT-BC170260  Atriplex hymenelytra John Thomas Howell 1928-1-29 3302 Riverside Entrance to Painted Canyon, Colorado Desert. Comment
  SD253433  Atriplex hymenelytra A. C. Sanders, Jim Malusa 2015-3-10 41370 Riverside Sonoran (Colorado) Desert: North end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range. 609 Comment
  UC665756  Atriplex hymenelytra Ira L. Wiggins 1941-3-24 9590 Riverside on silty slopes 0.5 mi from beach on e side Salton Sea (1 mi n of Imperial County line); e side Salton Sea, n of Imperial County Line Comment
  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
  CAS-BOT-BC169294  Atriplex lentiformis Dr. Barton W. Evermann 1916-5-14 s.n. Riverside Mecca Comment
  RSA676290  Atriplex semibaccata Scott D. White 2001-4-13 8322 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  UCR272489  Atriplex semibaccata Mitch Provance 2013-6-16 613- 22 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  UCR94884  Atriplex suberecta P. J. MacKay, R. Baxter 1996-10-3 23 Riverside Menifee Valley, SE corner of Hwy 215 and Newport Road, adjacent to Newport. Gully behind Ralph's shopping center. 434 Comment
  RSA557311  Atriplex suberecta Julie Greene, Steve Boyd, D. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1411 Riverside San Jacinto Wildlife Area. 433 Comment
  CAS-BOT-BC98783  Baccharis brachyphylla Carl B. Wolf 1932-10-11 4275 Riverside Morongo Wash, 3/10 mi. below the San Bernardino Co. line. 670 Comment
  UC527184  Baccharis brachyphylla Carl B. Wolf 1932-10-11 Riverside 3/10 mi below the San Bernardino County line Morongo Wash 670 Comment
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Feb 10 2013
  UCR26079  Baccharis brachyphylla John C. Roos 1946-9-14 3008 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  SEINET959644  Baccharis douglasii G. K. Helmkamp, E. A. Helmkamp 2004-1 8769 Riverside Southern Central Coast: Surf, NW of Lompoc (Surf 7.5) 9 Comment
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May 17 2014
  CAS-BOT-BC106739  Baccharis salicifolia C. L. Hitchcock 1966-3-15 24159 Riverside 3 mi. e. of Glen Ivy Hot Springs, in sandy wash. Comment
  POM350371  Baccharis salicifolia P. J. Remple 1942-3-21 s.n. Riverside Banning - Indio - Palm Springs road junction Comment
  UCR21968  Baccharis salicifolia Steve Boyd 1980-5-5 209 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR241253  Baccharis salicifolia T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1205 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  CAS-BOT-BC106673  Baccharis salicina A. C. Sanders; S. White; C. L. Sanders 1994-10-9 15819 Riverside San Bernardino Mountains: Whitewater Cyn., 2 mi. below trout farm, above Bonnie Bell. 548 Comment
  SD60246  Baccharis sarothroides Carl B. Wolf 1932-10-12 4297 Riverside Pinyon Well, Little San Bernardino Mountains 1220 Comment
  IRVC508  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 283 Riverside slope SE-5o wash, sand alluvial soil. 1037 Comment
  JEPS21300  Baccharis sergiloides W. L. Jepson and W. C. Mathews 1914-5-18 5989 Riverside Pinon Well, Colorado Desert Colorado Desert, Pinon Well Comment
  RSA502185  Baccharis sergiloides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3711 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  UC1523409  Baccharis sergiloides Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin & J. Hogge 1980-4-16 54095 Riverside 3 mi n, along Whitewater River Whitewater P. O.; San Bernardino Mts., Whitewater River 591 Comment
  RSA8369  Baileya pauciradiata Mary F. Spencer 1920-3-12 216 Riverside Mecca. Colorado Desert -60 Comment
  SEINET10797553  Bebbia J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12835 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  RSA189408  Bebbia juncea L. S. Rose 1966-12-14 66111 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  RSA336420  Bebbia juncea R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52051 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  RSA696875  Bebbia juncea J. Russell Bruff 1927-10-8 1 -N Riverside Thousand Palms Comment
  UCR148308  Bebbia juncea John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR251338  Bebbia juncea S. J. Myers 2014-5-21 1057 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  CLARK-A1528-5634  Berberis nevinii John C. Roos 1948-2-21 3772 Riverside San Timoteo Canyon Comment
  SEINET6426074  Bergia texana A. C. Sanders, Mitch Provance 1999-1 23132 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi S of Eden Hot Spr. 433 Comment
  JOTR33718  Bernardia incana La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2565 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 2 mi northeast of Cottonwood Visitor Center 984 Comment
  RSA78375  Bernardia incana J. C. Roos 1950-12-2 5027 Riverside Monson Canyon, Eagle Mountains. 1067 Comment
  UCD169505  Beta vulgaris Mitch Provance 2003-7-4 4640 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives. 226 Comment
  SD122922  Beta vulgaris Steve Boyd 1985-8-7 1119 Riverside Murrieta area, Clinton Keith Rd., just east of the Bear Creek development golfcourse. Weedy, low gradient drainage. Locally common along graded roadside. Comment
  UCR71617  Bidens laevis A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11739 Riverside Fairmont Park, along Spring Brook between Lake Evans & the Santa Ana River, Riverside 238 Comment
  RSA180309  Bloomeria crocea var. crocea E. W. Lathrop 1965-5-30 5786 Riverside 6 miles W of Murrieta. Comment
  SBBG72287  Boechera pendulocarpa R. Hoffmann 1929-9-10 Riverside San Jacinto Mtns 2438 Comment
  CAS-BOT-BC16273  Boechera perennans C. L. Hitchcock 1940-4-5 5966 Riverside Cliffs above Cottonwood Springs. Comment
  CLARK-A1528-5699  Boerhavia coccinea John C. Roos 1945-5-15 3858 Riverside Eagle Mountains Comment
  CLARK-A1656-805  Boerhavia coccinea Theo Glenn 1982-10-7 Riverside Snow Creek 396 Comment
  UCR83433  Boerhavia triquetra A. C. Sanders, P. J. MacKay, L. Lubinsky 1994-10-30 15854 Riverside San Bernardino Mtns., Whitewater River Canyon between Red Dome & Stills Landing, SE of VABM Paw (2988 ft.) 854 Comment
  JOTR32410  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
  UCR264237  Boerhavia wrightii A. C. Sanders, Jim Malusa 2015-9-10 41844 Riverside Sonoran (Colorado) Desert, mouth of Red Canyon at Salt Creek wash 390 Comment
  CLARK-A1528-3314  Boisduvalia glabella John C. Roos 1952-6-18 5779 Riverside Edgemont 457 Comment
  RSA38417  Bothriochloa barbinodis P. A. Munz 1946-10-21 11588 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  RSA517241  Bouteloua aristidoides Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1328 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  UCR60926  Bouteloua aristidoides Steve Boyd, Orlando Mistretta 1986-3-13 1421 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  RSA575736  Bouteloua barbata S. J. Darbyshire, J. Cayouette 1994-9-17 4636 Riverside Chuckwalla Valley 30 mile E [of] Desert Center, Highway 10 rest area. 90 Comment
  SEINET11687202  Bouteloua barbata W. Knight, Knight, I.; Vale, J.; Wagnon, K. 1983-1 5194 Riverside Eagle Mountains Comment
  SEINET8480638 Image available Bouteloua barbata var. barbata Kristin Forgrave, Deirdre Conocchioli, April Garbat 2013-8-13 35 Riverside Sonoran Basin & Range. Chuckwalla Valley: From Blthye, Ca. head west on I-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd. Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). 120 Comment
  RSA740924  Bowlesia incana Scott D. White, Justin M. Wood 2008-7-9 12423 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  CHSC100824  Brandegea bigelovii Susan Bazell 2008-12-29 65 Riverside Mecca Hills. In Painted Canyon right at base of canyon wall in damp sand. Comment
  CLARK-A1528-5667  Brandegea bigelovii John C. Roos 1960-4-8 Riverside 380 Comment
  PASA1872  Brandegea bigelovii 1928-3-3 Riverside Hidden Springs Canon Col. Desert Comment
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Aug 27 2016
  UC1051637  Brandegea bigelovii Francia Chisaki, Peter Kamb 1952-4-6 2196 Riverside on road from Mecca to Blythe (Box Canyon); Box Canyon Comment
  UCR274803  Brandegea bigelovii Aaron C. Sedgwick, David Fraker 2012-3-28 035 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  UCR215512  Brassica geniculata Daphne K. Christopher, Hannah I. Stevens 2003-4-4 095 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  RSA781658  Brassica tournefortii Duncan S. Bell 2009-3-8 79 Riverside Arica Mountains: northwest side of mountain range approximately 3.2 air miles northwest of Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 479 Comment
  SFV6318  Brassica tournefortii T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 33 Riverside San Bernardino Mountains Whitewater Canyon Road, 3 miles north of Highway 60. 630 Comment
  UCR155832  Brassica tournefortii John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR230780  Brassica tournefortii A. C. Sanders, Nathan Moorhatch 2011-3-22 38778 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  SD152952  Brickellia californica Steve Boyd, Time Ross and Dave Bramlet 1992-9-9 7685 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. 395 Comment
  CLARK-A1528-175  Brickellia desertorum Oscar F. Clarke 1969-10-8 Riverside Riverside Comment
  JOTR01241  Brickellia incana Cole, James E. 1941-6-14 885 Riverside Joshua Tree National Park. QUAIL WASH 1066 Comment
  SD68963  Brodiaea filifolia Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37586 Riverside Santa Rosa Plateau, vernally moist, grassy margin of vernal marsh on Mesa de Colorado, Rancho California. 671 Comment
  UCR50792  Brodiaea filifolia Jack Easton 1988-4-25 s.n. Riverside Along S bank of the San Jacinto River, south of Perris at the N end of Railroad Canyon where the river enters the hills Comment
  RSA745531  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-10 921 Riverside Santa Rosa Plateau Ecological Reserve; Via Volcano Road immediately west of the northernmost of two vernal pools 634 Comment
  LA13699  Bromus arenarius F. M. Reed; 1906-6-14 1007 Riverside San Bernardino Mountains, Smith backs in Carnshead grade (?) Comment
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Jan 18 2014
  RSA543596  Bromus berteroanus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6128 Riverside Gavilan Hills, SE end of range, E of Arroyo del Toro. 488 Comment
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Apr 12 2009
  UCR2216  Bromus catharticus F. M. Reed 1933-6-23 7863 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 290 Comment
  RSA659619  Bromus catharticus Brian McColgan 1937-11-13 s.n. Riverside Riverside. 244 Comment
  JOTR35176  Bromus diandrus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3277 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  RSA701398  Bromus diandrus Steve Boyd, Aydee Virgen 2004-4-13 10863 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA678387  Bromus rubens Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10454 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA772325  Bromus rubens Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4503 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA784226  Bromus rubens J. D. Olmsted 1962-5-2 443 Riverside By saddle just N of highest part of Box Spring Mountains. By road from Pigeon Pass. 777 Comment
  SEINET3923271  Bromus rubens R. L. Piemeisel 1913-5-2 05409463 Riverside Crestmore field.; 0 Comment
  RSA559361  Bromus tectorum Steve Boyd, Timothy S. Ross, D. E. Bramlet 1993-5-13 7381 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile. 412 Comment
  UC1930179  Bromus trinii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky, T. S. Ross 2003-4-17 10455 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR23968  Bromus trinii John C. Roos 1942-5-2 1120 Riverside Little San Bernardino Mountains, Live Oak Tank 1280 Comment
  RSA784946  Caesalpinia virgata Duncan S. Bell 2012-2-12 3124 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UC555387  Caesalpinia virgata Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Comment
  CLARK-A1045-129  Calandrinia ambigua George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  JEPS52588  Calandrinia ambigua W. L. Jepson 1927-4-13 11688 Riverside Painted Canyon Mecca Hills (mouth) 45 Comment
  CLARK-A1528-3832  Calandrinia ciliata John C. Roos 1966-3-24 Riverside Winchester Comment
  UC1463085  Calandrinia ciliata Arthur S. Barclay and Juan Arguelles 1965-3-27 1895 Riverside vicinity Murrieta (along margins of wheatfields) Comment
  UCR138643  Calandrinia ciliata D. L. Banks 1997-2-17 1272 Riverside Agua Tibia Mtns., NW Palomar Mountains: burned areas in the Temecula community of Redhawk, south of the intersection of Redhawk Parkway and Tehachapi Pass Road 396 Comment
  SBBG54106  Callitriche heterophylla var. bolanderi E. W. Lathrop 1966-4-13 6164 Riverside 3 mi NW of Murrieta Comment
  POM13201  Callitriche marginata P. A. Munz 1922-5-20 5459 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  RSA77846  Callitriche marginata F. W. Peirson 1922-5-12 3067 Riverside South of Lake Elsinore. Comment
  SD68962  Callitriche marginata Robert F. Thorne, E. Lathrop and P. Munz 1968-5-8 37574 Riverside Santa Rosa Plateau; wet mud at margin of vernal marsh on Mesa de Colorado, Rancho California. 669 Comment
  UC215292  Calocedrus decurrens Geo. B. Grant 1901-1-1 691 Riverside San Jacinto Mts. Pacific Coast, San Jacinto Mts. 914 Comment
  UCR1199  Calochortus albus Bennie Brist 1960-5-7 s.n. Riverside Santa Ana Mtns., along Hwy 74 near W boundary of Riverside Co. 610 Comment
  UC489219  Calochortus invenustus C. V. Meyer 1928-7-26 546 Riverside w slope San Jacinto Peak 2895 Comment
  UCR86247  Calochortus palmeri var. munzii Jeri Hirshberg 1995-5-25 s.n. Riverside San Jacinto Mtns, San Bernardino National Forest, south side of Hwy 74, 0.1 mi east of Ribbonwood Drive 1341 Comment
  CAS-BOT-BC132462  Calochortus plummerae Mitch Provance 1998-6-9 631 Riverside Jurupa Mountains: SE Pyrite Canyon, ca .3 NW of the Jurupa Mountains Culture Center 366 Comment
  SBBG952  Calochortus plummerae L. Long 1940-6-9 Riverside Palms to Pines Hwy, E of Hemet Comment
  SDSU11909  Calochortus splendens H. Wedberg 1962-5-23 939 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  PASA534  Calochortus venustus Mary Hall Riverside San Jacinto River Comment
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Jun 24 2016
  UCR261691  Calochortus weedii var. weedii Dick Newell, Judy Booth 2014-6-22 380 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road 0.2 mi. NW of the Morgan Trailhead 872 Comment
  RSA559358  Calycadenia tenella Steve Boyd 1993-5-13 7384 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  RSA532560  Calycoseris parryi D. Bramlet 1991-5-9 2134 Riverside North Domenigoni Hills Comment
  SBBG7844  Calycoseris wrightii T. L. Secrest 1948-4-7 Riverside ca. 5 mi below Whitewater Comment
  SBBG28082  Calyptridium monandrum D. Myrick 1964-4-30 818 Riverside Hwy 74, 5 mi W of Palm Desert 213 Comment
  UCR116785  Calyptridium monandrum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24163 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR87137  Calyptridium monandrum A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16147 Riverside San Jacinto Mtns foothills/Sonoran Desert, 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
  SDSU17441  Calyptridium parryi var. parryi C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-25 373 Riverside San Jacinto Wilderness State Park, summit of San Jacinto Peak. Ca. 20 meters south of sign marking high point, in sandy opening among boulders. 3292 Comment
  UCR158725  Calystegia macrostegia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30013 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
  LA50059  Calystegia macrostegia subsp. tenuifolia Elizabeth McClintock; 1935-5-12 sn Riverside Massacre Canyon near San Jacinto Comment
  UCR241181  Camissonia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 11 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  UCR102731  Camissonia bistorta B. G. Pitzer 1998-1-25 3419 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  SEINET3093098 Image available Camissonia boothii John Adams 1966-3-12 449 Riverside Hwy 74, 2 mi. above Palm Desert. Comment
  UCR102712  Camissonia brevipes B. G. Pitzer 1998-1-24 3397 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  RSA144811  Camissonia californica E. G. Linsley, J. W. MacSwain 1960-3-1 60 -2 Riverside Colorado Desert, Palm Springs, Tamarisk Avenue Comment
  UCR104921  Camissonia californica A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20660 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR226584  Camissonia californica Jim Andre 2011-2-18 15816 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  UCR263241  Camissonia californica A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41478 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  RSA136918  Camissonia cardiophylla Peter H. Raven 1958-1-25 11480 Riverside Box Canyon, 5.5 miles SE of Painted Canyon turnoff, near Mecca. Comment
  RSA454732  Camissonia cardiophylla Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  JOTR32445  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2211 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  CLARK-A1528-3328  Camissonia claviformis John C. Roos 1947-2-15 3267 Riverside Eagle Mountain Comment
  UCR241524  Camissonia claviformis A. C. Sanders, Ann Howald 2013-2-27 40547 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  UCR41633  Camissonia claviformis A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6076 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  POM257260  Camissonia claviformis subsp. aurantiaca Margaret Stason 1927-3-12 s.n. Riverside Painted Canyon, Colorado Desert. Comment
  SEINET7073471  Camissonia contorta 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
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Jun 24 2020
  UCR231774  Camissonia ignota John F. Green 2008-4-23 08- 26 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR281527  Camissonia ignota Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 93 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  CSUSB866  Camissonia micrantha Glen W. Forister 1967-4-2 Riverside Northwest edge of Palm Springs near Farrell Drive and Alejo Drive. 170 Comment
  UCR117346  Camissonia micrantha Mitch Provance 1998-3-31 307 Riverside Jurupa Mountains, Pyrite Canyon, 'Deep Pyrite Dune', c. 0.3 km south of the end of Savonia Dr. in Southridge, Fontana, just on the Riverside Co. side of the county line. 335 Comment
  SEINET1109638  Camissonia pallida A. C. Sanders, K. C. Rose 1995-1 16368 Riverside San Bernardino Mtns. Sonoran (Colorado) Desert: Coachella Valley; south of Mission Creek and west of Hwy 62. 518 Comment
  RSA186574  Camissonia pallida subsp. hallii Peter H. Raven 1962-4-7 17109 Riverside Whitewater Canyon 2.7 miles from U.S. Highway 70-99. Comment
  RSA186575  Camissonia pallida subsp. pallida Peter H. Raven 1962-4-7 17116 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument. Comment
  RSA339683  Camissonia pallida subsp. pallida Robert F. Thorne, C. W. Tilforth 1980-5-28 54161 Riverside San Bernardino Mts: Dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 mile E of Whitewater Post Office. Comment
  RSA776641  Camissonia refracta Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1098 Riverside Alligator ACEC, north side of Chuckwalla Mountains, just south of Desert Center. 413 Comment
  UCR26226  Camissonia refracta John C. Roos 1947-2-15 3266 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, south face of Eagle Mtns., west of Hayfield Dry Lake 997 Comment
  UCR86867  Camissonia refracta A. C. Sanders, K. Rose 1995-4-27 16743 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  SBBG61448  Camissoniopsis bistorta R. Hoffmann 1929-9-11 Riverside San Jacinto Mtns 1645 Comment
  SDSU3315  Camissoniopsis bistorta R. S. Luaw, T. Mosquin 1957-4-1 Riverside 11 mi. w. Riverside Comment
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Mar 28 2014
  SDSU3365  Camissoniopsis hirtella H. Wedberg 1958-5-17 301 Riverside About 7.4 miles from railroad station at Banning on road to Idyllwild. Comment
  UC1122273  Camissoniopsis pallida subsp. pallida H. S. Yates 1936-4-7 5429 Riverside near Whitewater; San Jacinto Quadrangle Comment
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Dec 15 2011
  UCR109622  Carduus pycnocephalus R. D. Goeden, Don W. Ricker 1970-3-30 s.n. Riverside Box Springs Mtns., Highgrove, National Orange Co. property beyond E end of Palmyrita Ave. 412 Comment
  CAS-BOT-BC19173  Carex barbarae H. E. Hasse 1903-6-21 s.n. Riverside San Jacinto Mountains. Round Valley. 2895 Comment
  POM259192  Carex douglasii Phillip A. Munz 1938-8-13 15331 Riverside Santa Rosa Peak. 2317 Comment
  CAS-BOT-BC32037  Carex multicaulis Peter H. Raven 1959-5-17 14229 Riverside San Jacinto Mts., Lake Fulmor. Comment
  UCR18399  Carex multicaulis A. C. Sanders 1978-5-13 00836 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1677 Comment
  RSA5222  Carex multicostata Carl B. Wolf 1932-8-5 3947 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2622 Comment
  CAS-BOT-BC117866  Carex sartwelliana C. Epling; Wm. Robison 1935-6-30 s.n. Riverside N. Fork San Jacinto River. Comment
  SEINET7574467 Image available Carex schottii Alice Eastwood, John Thomas Howell 1937-4-24 3919 Riverside San Juan River east of San Juan Hot Springs. Comment
  RSA0120150  Cassia eremophila O. F. Clarke, D. Kucera 1972-2-14 s.n. Riverside University of California Riverside. Botanic Garden. 351 Comment
  CAS-BOT-BC353427  Castela emoryi B. D. Stark 1929-4-1 1268 Riverside Chuckawalla, Colorado Desert Comment
  UCR163713  Castela emoryi B. G. Pitzer, T. Tennant 1998-2-21 3537 A Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi.le SE of the pumping station 412 Comment
  UCR37493  Castilleja affinis Steve Boyd 1981-3-11 s.n. Riverside Estelle Mountain, along fenceline between T5S, R5W S5 and T4S, R5W S 32 793 Comment
  JEPS44393  Castilleja applegatei subsp. martinii Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4272 Riverside about 1 mi below Santa Rosa Mountain rd jct with spur to Santa Rosa Springs Comment
  SD65544  Castilleja applegatei subsp. martinii Robert L. Rutherford 1944-6-17 1418 Riverside San Jacinto Mtn., above Banning, canyon floor 1372 Comment
  UC1012295  Castilleja exserta F. W. Pennell and W. S. Howell Apr 28 1940-Apr 29 1940 25291 Riverside Santa Rosa Indian Reservation; Route 74 1402 Comment
  UCR138912  Castilleja exserta subsp. exserta Julie A. Greene 1993-4-10 1175 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Drainage south of Duck Club Rd., and east of Davis Road 436 Comment
  UCR272660  Castilleja exserta subsp. exserta Sarah J. De Groot, Cheryl Sevilla 2015-2-18 7360 Riverside SE San Bernardino Mtns., North Fork Mission Creek, NW of Desert Hot Springs 780 Comment
  RSA774893  Castilleja foliolosa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5030 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
  UCR213887  Castilleja foliolosa Scott D. White, Justin M. Wood 2009-5-22 12918 Riverside San Jacinto Mountains, Old Control Road, above Halfway Spring 1463 Comment
  UCR133712  Castilleja martinii N. C. Cooper 1944-4-22 1131 Riverside San Gorgonio Pass, Banning 732 Comment
  JOTR34208  Caulanthus cooperi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 3000 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  UCR38133  Caulanthus hallii J. M. Stewart 1985-3-16 8509 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  RSA429530  Caulanthus heterophyllus Ora M. Clark 1929-3-16 1725 Riverside N. of Whitewater Comment
  RSA0124738  Caulanthus lasiophyllus Duncan S. Bell, LeRoy Gross 2016-3-9 8847 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  UCR17935A  Caulanthus simulans A. C. Sanders 1976-4-20 00224 A Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  JEPS48718  Ceanothus W. L. Jepson 1939-4-17 19164 Riverside 2 mi s Temecula (on Fallbrook rd) 304 Comment
  UC455343  Ceanothus cordulatus I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2743 Comment
  LA41978  Ceanothus crassifolius W. E. Pequegnat; 1939-4-8 34 Riverside Santa Ana Mts Comment
  RSA575074  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -W Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA575075  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -V Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  SD136771  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7921 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  SD2995  Ceanothus crassifolius Edmund C Jaeger 1925-12-23 Riverside Aguanga 3200 Comment
  POM84582  Ceanothus greggii var. perplexans S. B. Parish 1908-06 6966 Riverside Eden Hot Springs Comment
  UC1922183  Ceanothus greggii var. perplexans Naomi Fraga, Tim Thibault 2006-5-16 1669 Riverside Peninsular Ranges; San Jacinto Mountains region; ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  UC1929728  Ceanothus integerrimus Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1698 Riverside Peninsular Ranges; San Jacinto Mountains region; Fuller Mill Creek just N of junction with Dark Canyon. Comment
  CAS-BOT-BC51288  Ceanothus leucodermis H. E. McMinn 1925-7-2 1523 Riverside Idyllwild grade - San Jacinto Mt. Comment
  RSA0019575  Ceanothus megacarpus var. megacarpus Orlando Mistretta 1992-6-10 517 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA606754  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27409 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  UC1594222  Ceanothus ophiochilus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3097 Riverside 1 mi W of Vail Lake 609 Comment
  UCR68478  Ceanothus ophiochilus Steve Boyd, L. Arnseth, T. S. Ross 1989-3-31 3098 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  UCR16494  Ceanothus palmeri J. Hollinger 1972-5-13 720513- 6 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild Comment
  CAS-BOT-BC51925  Ceanothus perplexans Edmund C. Jaeger 1921-6-14 s.n. Riverside Mac Mullen Trail, east slope San Jacinto Mts. Comment
  SBBG68316  Ceanothus perplexans M. N. Ackley 1928-4-4 929 Riverside Moreno Grade 762 Comment
  UCSB3903  Ceanothus perplexans Keator, Glenn 1959-5-17 Riverside Pinon flats near Colorado desert on Palms to Pines highway. Comment
  SD144500  Cenchrus echinatus A. C. Sanders, P. MacKay, T. Thomas, G. Helmkamp 1997-2-8 19766 Riverside Colorado Desert: Palm Springs area, Indian Ave. at I-10 Freeway, Garnet. 188 Comment
  CDA7300  Centaurea X pouzinii Gene Drake 1989-12-8 Riverside Corona. DeGroot Dairy, Archibald and Greenwine. 0 Comment
  RSA430195  Centaurea melitensis E. Misquez 1987-5-16 9 Riverside Santa Ana Mountains, Walker Basin; 2 miles on Avenida de Oro from Jct with Rancho California road and 4.7 miles west of Interstate 15. 415 Comment
  UCR201432  Centaurea melitensis Scott D. White, Justin M. Wood 2008-6-17 12174 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  UCR20322  Centaurea repens John C. Roos 1947-7-5 2908 Riverside junction of San Timoteo and Live Oak Creeks 459 Comment
  UCR92333  Centaurea solstitialis Scott D. White, M. Wilcox 1995-7-13 3473 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  RSA644312  Centaurium venustum Scott D. White 1995-6-29 3401 Riverside Murrieta area (Santa Ana Mtn. foothills). Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence. [coordinates are from the label and map incorrectly] 351 Comment
  UCR89757  Centaurium venustum Scott D. White 1993-5-27 1427 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  UCR222310  Centranthus ruber R. F. Thorne, W. Wisura, David Michener 1982-5-24 55194 Riverside Peninsular Ranges; Santa Ana Mountains, Cleveland National Forest, along Ortega Highway 732 Comment
  UCR217656  Centromadia pungens subsp. laevis Diane Menuz 2007-8-10 362 Riverside San Jacinto Mountains, Western foothills, 6.7 km south of Hwy I-10 659 Comment
  CAS-BOT-BC354343  Centromadia pungens subsp. pungens R. E. Riefner, Jr. 2012-7-23 12 -321 Riverside City of Hemet, ca 100 yds N of W. Devonshire Ave. and Meyers St. 473 Comment
  SEINET6413741  Centromadia pungens subsp. pungens R. Spellenberg 2014-5-5 14772 Riverside CA Highway 79 N of Hemet, ca 0.5 km so f Ramona Expressway. 445 Comment
  UC667250  Centrostegia thurberi var. thurberi Annie M. Alexander and Louise Kellogg 1941-5-15 2176 Riverside Colorado Desert, n base of Eagle Mountains Eagle Mountains; Colorado Desert, Eagle Mountains 914 Comment
  UC52162  Cercidium floridum subsp. floridum E. E. Schellenger 1903-6 6 Riverside Chucawalla Bench Colorado Desert Comment
  POM243638  Cercocarpus betuloides E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  RSA208927  Cercocarpus minutiflorus Theadore H. Mortenson 1967-5-5 1516 Riverside North facing hillside in back of the Tenaja Guard Station, Santa Rosa Plateau region near Murietta. Comment
  RSA668340  Chaenactis carphoclinia Carol R. Annable 1995-3-18 2302 Riverside Ca 11km N of Indio on road to Berdoo Canyon. 300 Comment
  UCR241525  Chaenactis carphoclinia A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40645 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  RSA21381  Chaenactis fremontii C. B. Wolf 1937-5-4 8526 Riverside Colorado Desert, Little San Bernardino Mts, Morongo Wash, 1 miles below San Bernardino County line. 610 Comment
  UCR260837  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41516 Riverside San Gorgonio Pass, 2.5 miles ESE of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and Elm St. 463 Comment
  SEINET2049369 Image available Chaenactis glabriuscula Ricardo Montijo 1990-4-27 Riverside Rancho California area: E of Santa Rosa Plateau, Green Meadow Road off of de Portoloa Road. T7S, R1W, sec. 30. 610 Comment
  UCR34886  Chaenactis glabriuscula L. B. Ziegler 1972-3-31 442 Riverside San Jacinto Valley, City of San Jacinto 473 Comment
  POM122831  Chaenactis glabriuscula var. glabriuscula Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula. Comment
  RSA772854  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4828 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
  CAS-BOT-BC284590  Chaenactis glabriuscula var. lanosa Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  UCR117079  Chaenactis glabriuscula var. lanosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24202 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
  JEPS30505  Chaenactis parishii Donald W. Kyhos 1958-5-16 58 -183 Riverside 1.85 mi up road toward Mount Santa Rosa; San Jacinto Mountains, Mount Santa Rosa Comment
  CHSC8272  Chaenactis stevioides Edward L. Smith 1958-3-21 357 Riverside Chuckwalla Mtns., 3 mi. n of Desert Center. 274 Comment
  SJSU11743  Chaenactis stevioides R. C. McGehee 1970-4-15 201 Riverside Wileys Well c. 24 mi SW of Blythe, southeastern Riverside County Comment
  UC665742  Chaenactis stevioides Ira L. Wiggins 1941-5-27 9683 Riverside 8 mi ne of Desert Center (s end of Coxcomb Mountains); Coxcomb Mountains Comment
  RSA0099440  Chamaesyce micromera Duncan S. Bell, Evan Meyer 2014-10-29 7698 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
  RSA734752  Chamaesyce parishii L. C. Wheeler 1952-4-5 6850 Riverside Neat Canyon east of Painted Canyon. Comment
  RSA763996  Chamaesyce polycarpa Justin M. Wood, Dustin M. Ray 2010-10-21 3005 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  SEINET3004969  Chamaesyce polycarpa G. Rink 2011-3-24 10393 Riverside Sandy wash north of Blythe, east of the McCoy Mtns 109 Comment
  IRVC17315  Cheilanthes clevelandii Gordon A. Marsh, Karlin G. Marsh 1979-12-6 s.n. Riverside Leveland National Forest; Trabuco District; canyon S of GS07 (Main Divide Road); ca. 1 mile E of Ortega Highway (74). Peninsular Ranges, Santa Ana Mountains Comment
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Apr 6 2013
  RSA543748  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6052 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
  UC71520  Cheilanthes clevelandii Miss Alice King 1892-1 Riverside Comment
  IRVC3127  Cheilanthes covillei R. H. Whittaker, W. A. Niering 1963-5-31 SJ 117 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1280 Comment
  UCD137422  Cheilanthes covillei Geoffrey Levin 1976-3-27 697 Riverside Hills on south side of Chino Canyon. West of Palm Springs. San Jacinto Mts. 457 Comment
  CAS-BOT-BC68094  Cheilanthes parryi Robert T. Clausen 1940-6-18 4676 Riverside Chino Canyon - Salton Sea Basin 457 Comment
  CAS-BOT-BC70337  Cheilanthes parryi Marcus E. Jones 1930-3-15 26517 Riverside Eagle mountains Comment
  POM292790  Cheilanthes parryi Lyman Benson 1949-3-28 13560 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  UC336622  Cheilanthes parryi C. C. Parry and J. G. Lemmon Apr. 1876 3 Riverside Mt San Jacinto; Colorado Desert Comment
  CLARK-A1528-2555  Chenopodium album John C. Roos 1951-9-25 5295 Riverside Riverside 259 Comment
  UCR114197  Chenopodium berlandieri A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23644 Riverside Perris-Aguanga Basin Region, Tucalota Creek SE of French Valley Airport, on gasline route 381 Comment
  UCR154743  Chenopodium berlandieri T. B. Salvato, Kent Beaman 2005-5-16 778 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR20857  Chenopodium berlandieri A. C. Sanders 1978-8-27 00277 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  UCR281008  Chenopodium berlandieri Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 24 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  RSA192153  Chenopodium californicum E. W. Lathrop 1959-4-16 4472 Riverside 14 miles W of Murrieta, Tenaja plateau. Comment
  UCR115160  Chenopodium missouriense Mitch Provance 2000-10-14 2250 Riverside Jurupa Mountains, Belltown, SW side of Market St (Crestmore Rd.) at Bell Ave. 259 Comment
  RSA450976  Chenopodium murale Stephen M. Beckstrom-Sternberg 1985-9-10 1024 Riverside U.C.R. garden plots. Comment
  UCR115924  Chenopodium strictum Mitch Provance 2000-11-2 2296 Riverside North Riverside, Reid Park, c. 0.5 mi SW of the corner of Placentia Ln. and Orange St. 250 Comment
  CAS-BOT-BC231784  Chilopsis linearis Roxana S. Ferris 1918-6-14 985 Riverside 2 miles east of Indian Wells on Palm Springs-Indio Rd Comment
  RSA0099450  Chilopsis linearis Duncan S. Bell, Evan Meyer 2014-10-29 7690 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
  RSA455309  Chilopsis linearis Albert J. Perkins 1916-4-16 s.n. Riverside Palm Canyon. Comment
  RSA736799  Chilopsis linearis Scott D. White, Angelia Carey 2004-7-2 10565 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SD84926  Chilopsis linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-3-28 275 Riverside East slope San Jacinto Mountains,North Canyon just above juncture with Andreas Canyon 349 Comment
  POM17773  Chilopsis linearis subsp. arcuata P. A. Munz, R. D. Harwood 1923-6-29 7304 Riverside Aguanga. Comment
  UC887890  Chilopsis linearis subsp. arcuata E. C. Jaeger 1921-6-15 1055 Riverside along watercourse at base of McMullin Trail Banning Comment
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Nov 5 2011
  RSA180372  Chlorogalum parviflorum E. W. Lathrop 1960-6-8 4938 Riverside 14 miles west of Murrieta Comment
  CAS-BOT-BC39668  Chorispora tenella D. Bramlet 1993-3-20 2296 Riverside 5.6 km west of Hemet, 671 m. south of the intersection of Florida Ave. and Warren Road. The site is alongside Warren Rd. 457 Comment
  RSA0034932  Chorizanthe brevicornu A. Lee Haines 1974-7-8 s.n. Riverside North side of Orocopia Mts. 396 Comment
  JEPS57601  Chorizanthe brevicornu var. brevicornu E. E. Schellenger May 1920 Riverside e Mecca (Hayfields); Colorado Desert, e of Mecca Comment
  SBBG99602  Chorizanthe brevicornu var. brevicornu W. L. Halvorson 1977-3-8 77 -80 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  SEINET244669  Chorizanthe coriacea A. C. Sanders, T. B. Salvato 2001-5-3 24073 Riverside Perris-Aguanga Basin region: Hemet, SE corner of State Street at Gibbel. 1712 ft. hill at east end of Diamond Valley. 494 Comment
  CLARK-A1528-727  Chorizanthe corrugata Charlotte Stocks 1966-4-10 Riverside Mecca Comment
  SBBG12091  Chorizanthe corrugata H. and M. Dearing 1939-2-10 4632 Riverside Painted Cyn, near Mecca Comment
  UCR58855  Chorizanthe fimbriata Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3628 Riverside Butterfield Valley, Vail Lake area, just south of junction of Hwy 79 and road to the marina 460 Comment
  RSA679013  Chorizanthe fimbriata var. fimbriata M. Wall, Sean Wall 2003-5-24 332 Riverside NE of Skinner Reservoir, Rawson Canyon, Rawson Rd. 2.7 miles from jct. with Washington Ave. 564 Comment
  UCR24615  Chorizanthe leptoceras T. P. Krantz, G. Krantz, K. Berg 1980-4-24 s.n. Riverside San Jacinto River, one mile east of Valle Vista, just north of Highway 74 Comment
  RSA392577  Chorizanthe leptotheca N. C. Cooper 1949-6-29 4329 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA784515  Chorizanthe leptotheca Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 72 Riverside Crossing of Woodchunk road and 79 Hwy Comment
  UCR280947  Chorizanthe leptotheca Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 65 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  RSA715196  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32614 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
  UCR266278  Chorizanthe polygonoides subsp. longispina D. E. Bramlet, R. E. Riefner Jr., Ileene Anderson 2005-4-19 3809 Riverside Hills west of Hemet-Ryan Airport, west of California Ave., south of Hwy 74, north of Stowe Rd. 599 Comment
  UCR48397  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1796 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UCR50734  Chorizanthe procumbens S. J. Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau, W of Murrieta, 0.25 mi. north of the intersection with Avenida Arboles Comment
  RSA585878  Chorizanthe staticoides D. L. Banks, Peter Morrell 1995-5-4 312 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground., On Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 537 Comment
  UCR87654  Chorizanthe xanti A. C. Sanders 1994-5-29 14577 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  JOTR34385  Chylismia brevipes subsp. brevipes Andre, Jim 2012-4-16 20908 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  JOTR37498  Chylismia claviformis subsp. aurantiaca Hodges, Stephen R., L. Ashfield 2016-1-20 627 Riverside Joshua Tree National Park. Eagle Mountains, Black Eagle Mine road, northern edge of mountains near eastern park boundary (Stop 1). 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
  UC1184360  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11476 Riverside 5.5 mi se Painted Canyon turnoff; Box Canyon Comment
  UC494673  Chylismia claviformis subsp. aurantiaca Philip A. Munz 1932-3-14 11995 Riverside Deep Canyon Coachella Valley 91 Comment
  UCSB30313  Chylismia claviformis subsp. aurantiaca Sauls, Mary 1977-2-27 Riverside 5 mi. W. of junction Hwy. 195 and interstate 10; Box Canyon wash 365 Comment
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Nov 16 2015
  UCR3249  Cirsium occidentale var. californicum Bob Brownell 1964-5-15 s.n. Riverside 4.5 mi from Washington Avenue, Colton, up Reche Canyon Rd 366 Comment
  UCR91726  Cirsium occidentale var. occidentale A. C. Sanders, J. Goetzen 1996-5-1 18128 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  POM199346  Cistanthe monandra Joseph A. Ewan 1932-4-8 7036 Riverside Seven Palms near Garnet Comment
  CAS-BOT-BC438965  Cistanthe monosperma Mary F. Spencer 1919-7-6 1264 Riverside Tacquitz [Tahquitz] ridge, San Jacinto Mt. 2377 Comment
  POM12750  Cistanthe monosperma P. A. Munz 1922-7-6 6003 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UC76442  Clarkia epilobioides Miss M. Alice King 1893-5-1 Riverside Menifee Comment
  UCR133435  Clarkia purpurea Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 450 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA618168  Clarkia purpurea subsp. quadrivulnera D. L. Banks 1997-5-5 2018 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
  RSA182338  Clarkia rhomboidea J. D. Olmsted 1962-5-1 3426 Riverside NE slope just west of top of highest Southern Californica waterfall; 1/4 mi SE of Falls Plateau, Snow canyon N of Mt. San Jacinto. 945 Comment
  RSA448337  Clarkia rhomboidea N. C. Cooper 1949-6-29 4349 Riverside Pine Cove, San Jacinto Mountains. 1829 Comment
  RSA0021842  Claytonia parviflora subsp. parviflora A. C. Sanders 2002-5-4 25040 Riverside San Jacinto Mtns.: Idyllwild, Pine Crest Ave., NE of Hwy 243. 1677 Comment
  RSA726860  Claytonia parviflora subsp. parviflora Steve Boyd, Aydee Virgen 2004-4-13 10882 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA783234  Claytonia perfoliata J. D. Olmsted 1962-5-2 3470 Riverside 20 degree N slope along Banning-Idyllwild Road 1159 Comment
  CAS-BOT-BC439794  Claytonia perfoliata Edmund C. Jaeger 1921-6-2 107 Riverside Idyllwild, San Jacinto Mts Comment
  UC1333278  Clematis pauciflora Charles B. Fiker 1947-4-26 3797 Riverside Dripping Springs Guard Station area Comment
  UCR113538  Clematis pauciflora Mitch Provance 1998-6-6 689 B 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
  RSA544380  Cnicus benedictus Steve Boyd, Timothy S. Ross 1991-6-14 6395 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
  JEPS6385  Collinsia concolor Rimo Bacigalupi and Gene Newcomb 1954-4-25 4401 Riverside 0.75 mi s of Sage (close to summit of St. John's Grade, along Cal. State Hwy 79, 9 1/2 mi n of junction w Cal. State Hwy 71); State Hwy 79 731 Comment
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Jul 8 2009
  RSA0117455  Collinsia concolor Duncan S. Bell, Joy D. England 2010-6-4 1259 Riverside San Bernardino National Forest: Garner Valley, approximately 3.2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1430 Comment
  SD244244  Collinsia concolor A. C. Sanders, Timothy W. Chumley 2013-4-2 40744 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, near I-5 Freeway, southeast of Corona (Lee) Lake (Aberhill 7.5') 377 Comment
  UC454819  Collinsia concolor I. J. Condit 1910-6-24 Riverside rd to Idyllwild; San Jacinto Mtns 914 Comment
  UCR213443  Collinsia concolor A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37831 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
  UCR28966  Collinsia concolor Melissa Luckow, R. Riggins 1982-4-15 827 Riverside Hwy 371, 1.2 mi north of the jct with Hwy 79 in Aguanga. Comment
  RSA0117389  Collinsia parryi E. W. Lathrop 1959-4-16 4473 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  UC52439  Collomia grandiflora Miss Ella Foster 1897-5-12 530 Riverside N. Fork S. Jacinto River San Jacinto Mt. Comment
  SBBG104074  Colubrina californica A. C. Sanders, E. J. Lawlor 1992-4-4 12112 Riverside within 0.5 mi of McCoy Spring, to the S above the spring and above for, ca. 200 m 243 Comment
  SDSU20187  Colubrina californica Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-23 1217 Riverside Northwest of the Blythe airport and in the washes east of the McCoy mountains. 199 Comment
  SD124711  Condalia globosa var. pubescens Andy C. Sanders, Et al. 1986-3-1 6042 Riverside Chuckawalla Bench, W side of Chuckawalla Mtns, 9 miles S of Hwy I-10 on the gasoline road, 2 mi. airline S of the Model Mine. 579 Comment
  SBBG87664  Condea emoryi S. Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2102 Riverside N end of Palen Mtns, 2 mi W of Palen Pass 300 Comment
  UC520002  Conium maculatum Joseph Andorfer Ewan 1932-7-9 7493 Riverside 1 mi n of Rincon (in Chico Creek at Santa Ana River); Santa Ana River, Chico Creek Comment
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Nov 6 2011
  UC64481  Convolvulus arvensis H. M. Hall 1895-7-12 188 Riverside Moreno Comment
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Mar 20 2011
  HSC86915  Conyza bonariensis Steve Myers 1988-2-1 Riverside Boulder Springs Development, immediately SE of intersection of Hwy. 60 and Nason St., Moreno Valley 518 Comment
  POM10039  Conyza coulteri E. A. Zumbro 96 Riverside Cold Water Canyon, bridge over old canal. Comment
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Apr 10 2016
  UCR256333  Conyza coulteri Duncan S. Bell 2012-3-18 3201 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, c. 2.8 air miles southwest of Hidden Spring 20 Comment
  RSA0084703  Cordylanthus nevinii Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1453 Riverside Northeast of South Ridge trailhead, east of Idyllwild. 2012 Comment
  RSA78304  Cordylanthus nevinii Philip A. Munz, E. K. Balls 1952-8-21 17976 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  UCR133636  Cordylanthus nevinii I. W. Clokey, E. G. Anderson 1935-8-21 6904 Riverside San Jacinto Mtns., Fuller's Creek 1585 Comment
  UCR227600  Cordylanthus rigidus Duncan S. Bell, Colleen Wheeler 2010-7-19 1631 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 2.8 air miles southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1383 Comment
  UCR242671  Cordylanthus rigidus A. C. Sanders 2013-7-6 40846 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11 1793 Comment
  RSA0011007  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Ryan Parker 2010-6-1 1231 Riverside San Bernardino National Forest: Rouse Ridge, approximately 2.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 992 Comment
  RSA356626  Cordylanthus rigidus subsp. setiger Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47321 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  RSA6032  Cordylanthus rigidus subsp. setiger Carl B. Wolf 1932-8-4 3917 Riverside San Jacinto Mountains: Point View near Idyllwild 1646 Comment
  SDSU13522  Cordylanthus rigidus subsp. setiger W. Miller with C. Mosse 1972-7-20 Riverside Just past Eucalyptus trees at north boundary (west of trees.) Comment
  RSA444564  Coreopsis bigelovii Walter Wisura 1988-3-23 4202 Riverside Highway 62 immediately E of Robinson Road, West of Twentynine Palms. Comment
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Sep 7 2013
  JOTR32157  Coreopsis californica var. californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2310 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy wash in wide canyon that feeds southwest into Wilson Canyon, with gneiss outcrops on either side of canyon (Stop 5) Comment
  UC942910  Coreopsis californica var. californica Lewis S. Rose 1949-4-19 49061 Riverside 4 mi ne Alberhill 304 Comment
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Feb 25 2014
  CAS-BOT-BC101298  Corethrogyne filaginifolia W. R. O. 0001 Riverside Old Field S.W. San Jacinto Valley near base of Mt. Rudolph Comment
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Jul 24 2017
  POM230198  Corethrogyne filaginifolia I. W. Clokey, E. G. Anderson 1933-8-21 6962 Riverside N Fork San Jacinto River. 1500 Comment
  RSA615554  Cornus glabrata A. C. Sanders, T. Tennant, A. Sanders 1997-11-14 21596 Riverside San Bernardino Mtns: Morongo Idian Reservation, W end of Burro Flats. 1159 Comment
  RSA249866  Cornus sericea subsp. occidentalis R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38153 Riverside San Bernardino National Forest. Lake Fulmor 1677 Comment
  SEINET3071319  Coryphantha alversonii Marc A. Baker, Michelle Cloud-Hughes 2011-1 Riverside Comment
  CLARK-A1528-2617  Crassula aquatica John C. Roos 1952-4-9 5514 Riverside Edgemont 487 Comment
  SD262269  Crassula aquatica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 34 Riverside Perris - Aguanga Basin: Menifee, SE corner of Musick Rd. and Murrieta Rd. Vernal pool. 454 Comment
  SD181581  Crassula connata LeRoy Gross, Valerie Soza 2003-5-8 830 Riverside Peninsular Ranges, San Jacinto Mountains region, north end of Rouse Ridge, south of the San Jacinto River, north of Rouse Hill Road; Blacburn Canyon quad. 776 Comment
  UCR232785  Crassula connata John F. Green 2008-4-15 0408- 23 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  CLARK-A1528-5379  Cressa truxillensis John C. Roos 1952-5-21 5703 Riverside San Jacinto River Comment
  SEINET3091112 Image available Cressa truxillensis J. Jacobi 1970-4-30 0430 -4 Riverside Coll. 1 mi. N of Lakeview, Calif in flat, open area. Comment
  SD137802  Crocanthemum aldersonii Darin L. Banks, Steve Boyd 1995-6-2 572 Riverside Northwest Palomar Mountains; Cleveland National Forest, Agua Tiobia Wilderness Area; north face of north peak of Agua Tibia Mountain. 890 Comment
  RSA0020372  Croton californicus Duncan S. Bell 2012-3-4 3131 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  SEINET6062496  Croton californicus S. B. Parish Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  SEINET9253085 Image available Croton californicus Unknown 1944-1 1546 Riverside Banning 701 Comment
  POM8167  Croton californicus var. mohavensis Mary F. Spencer 1920-3-19 1621 Riverside Palm Springs. 122 Comment
  SEINET3089925 Image available Croton wigginsii A. C. Sanders, Pitzer, Charlton, et al. 1986-3-8 6162 Riverside East Mesa, E end of Montgomery Road at the Coachella Canal, ca. 1 1/4 mile NW of Mammoth Wash crossing of the canal. 27 Comment
  UCR116477  Crypsis schoenoides A. C. Sanders, T. B. Salvato 2001-5-25 24377 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  UCR230192  Cryptantha A. C. Sanders 2011-4-6 38992 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
  UCR250128  Cryptantha A. C. Sanders 2014-4-8 40990 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km SE of I-15 crossing, near mouth of Mayhew Canyon and just east of Mayhew Rd. 317 Comment
  POM13896  Cryptantha angustifolia P. A. Munz, D. D. Keck 1922-4-8 4744 Riverside 1/2 miles E of Indio. -9 Comment
  UC280442  Cryptantha angustifolia Childs May 1920 Riverside e of Coachella Comment
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Nov 19 2011
  UCR104845  Cryptantha angustifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2668 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR90162  Cryptantha angustifolia R. W. Scora 1966-4-1 3023 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  UCR18170  Cryptantha barbigera var. fergusoniae A. C. Sanders 1978-4-2 00179 Riverside Sonoran (Colorado) Desert, Coachella Valley, Deep Canyon Reserve - south of Palm Desert. Alluvial fan near the Boyd Research Center 366 Comment
  UCR196105  Cryptantha barbigera var. fergusoniae Jim Andre 2006-4-6 8148 Riverside S Mojave Desert, Joshua Tree National Park, c. 50 m north of the Keys View Parking area, at south end of Little San Bernardino Mtns 1553 Comment
  UCR276655  Cryptantha barbigera var. fergusoniae Jim Andre 2015-3-6 33550 Riverside Coachella Valley, along Snow Canyon oad, just south of Hwy 111 362 Comment
  RSA14025  Cryptantha costata P. A. Munz, D. D. Keck 1922-4-14 4971 Riverside Indian Wells 107 Comment
  SEINET4560315  Cryptantha costata Duncan S. Bell 2009-1 243 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice 224 Comment
  RSA500070  Cryptantha intermedia Steve Boyd 1989-4-2 3241 Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  RSA586920  Cryptantha intermedia D. L. Banks, S. D. Boyd 1995-5-3 255 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA673554  Cryptantha intermedia Scott D. White, Tasha La Doux 2000-4-20 7679 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA699338  Cryptantha intermedia J. R. Bruff 1934-6-19 s.n. Riverside San Jacinto Mountains Comment
  RSA792745  Cryptantha intermedia R. F. Thorne 1995-3-29 63031 Riverside White Water Canyon 600 Comment
  UCR103275  Cryptantha intermedia B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3573 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR113214  Cryptantha intermedia A. C. Sanders 1998-1-15 21641 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  HSC87254  Cryptantha maritima Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2179 Riverside NW end McCoy Mtns., NW of Blackjack Mine 400 Comment
  POM369474  Cryptantha maritima M. B. Dunkle 1932-3-25 2903 -b Riverside Near Cathedral Canyon 152 Comment
  UC1514466  Cryptantha maritima Rimo Bacigalupi with Paul Hutchison 1958-2-19 6199 Riverside 9.4 mi n Blythe (at w base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  UCR279596  Cryptantha maritima var. pilosa A. C. Sanders, Jim Malusa 2017-3-28 43163 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  CLARK-A1045-324  Cryptantha micrantha George K. Helmkamp 1977-3-20 Riverside Cabazon edge of dry wash south of Cabazon; ; Cabazon 7.5'Q Comment
  RSA789244  Cryptantha micrantha Naomi Fraga, Erika Gardner, Beth Kempton, Tom Kerrin-Torres, Michael Wall 2008-7-17 2418 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  SFV20143  Cryptantha micrantha J. N. Hogue, J. M. Wrublik 2000-5-30 153 .3 Riverside San Jacinto Mountains Black Mountain. Black Mountain Trail at Cinco Poses Spring. 2130 Comment
  RSA792627  Cryptantha micrantha var. lepida R. F. Thorne 1995-3-29 63025 Riverside White Water Canyon 600 Comment
  UCR193421  Cryptantha micrantha var. lepida A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35640 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCSB41250  Cryptantha microstachys Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km.) W on Hwy. 74 from its jct. with Hwy. 243, approaching Hemet, San Jacinto Mts. 1370 Comment
  SEINET3084440 Image available Cryptantha nevadensis B. Pitzer 1998-1-24 3383 .1 Riverside N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR18759  Cryptantha nevadensis John C. Roos, Lucille Roos 1949-4-11 4246 Riverside Sonoran (Colorado) Desert, N base of the Chuckwalla Mtns, south of Desert Center Comment
  RSA339324  Cryptantha utahensis R. F. Thorne, C. W. Tilforth 1980-5-28 54206 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
  UCR231775  Cuscuta californica John F. Green 2008-4-23 08- 19 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCD126288  Cuscuta denticulata A. C. Sanders; G. Nuhn 1995-4-20 16587 Riverside Colorado Desert: Coachella Valley, near Fan Hill, northeast of Dillon Road on an abandoned road, below Little San Bernardino Mountains. northeast of 1000 Palms. 350 Comment
  JEPS47116  Cuscuta salina W. L. Jepson 1901-5-31 1570 Riverside near Elsinore; Temescal Wash 335 Comment
  UCR275580  Cuscuta salina T. B. Salvato, Jennifer Weiland 2005-6-13 605- 5 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  SEINET9037744 Image available Cylindropuntia bigelovii M. A. Baker 2015-1 18303 Riverside 1.7km NE of White Water Hill, just west of Hwy 62, 2km north of its junction with Interstate 10, 13km NW of central Palm Springs, gentle east-facing slope of granitic sand, silt, and grus 353 Comment
  JEPS12319  Cymopterus panamintensis var. acutifolius Marjorie D. Clary 1932-4-10 653 Riverside Eagle Mountains Comment
  RSA736649  Cyperus odoratus Justin M. Wood 2008-7-16 37 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  UC196458  Cyperus odoratus S. B. Parish 1913-9-20 8616 Riverside Mecca Colorado Desert, Mecca 57 Comment
  RSA598033  Dactylis glomerata F. M. Reed 1933-5-15 s.n. Riverside Riverside. 290 Comment
  CLARK-A1528-5246  Dalea californica John C. Roos 1948-4-24 3800 Riverside Whitewater 457 Comment
  RSA0045573  Dalea californica Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs 138 Comment
  CLARK-A1528-468  Dalea emoryi Shirley Hill 1963-3-13 630313-3 Riverside Palm Springs Comment
  JOTR32024  Dalea mollis La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2254 Riverside Joshua Tree National Park. Pinto Basin, south of Sand Hill; gravelly slopes and benches (developing desert pavement) interspersed with sandy pockets (Stop 2) 495 Comment
  RSA644208  Dalea mollissima V. W. Steinmann 1999-10-26 1413 Riverside foothills of the Chuckwalla Mountains, open desert ca. 0.5 km south of Desert Center. 275 Comment
  UC68519  Dalea mollissima H. M. Hall Apr., 1905 5792 Riverside Colorado Desert 30 Comment
  UCR74373  Dalea mollissima Theo Glenn 1991-5-2 91- 17 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UCR233152A  Datura discolor Jim Andre, Glenn L. Clifton 2011-2-22 17460 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA522721  Datura wrightii Steve D. Boyd, Tim S. Ross 1989-8-28 3812 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  SD84921  Datura wrightii Nancy Ryan Zabriske, Walter Zabriske 1972-3-28 483 Riverside North Canyon, Andreas Canyon watershed, east slope San Jacinto Mts. 366 Comment
  UC1929900  Datura wrightii Scott D. White 2004-4-26 10245 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  UCR172154  Datura wrightii A. C. Sanders 2006-5-11 32272 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UCR35272  Datura wrightii L. B. Ziegler 1964-9-2 27 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  UCR111967  Daucus pusillus A. C. Sanders, T. B. Salvato 2000-5-25 23397 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR281476  Daucus pusillus Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 83 Riverside Temescal Valley, 0.4 miles SE of Horsethief Canyon Rd. and the 15 Fwy. 391 Comment
  SD181707  Deinandra fasciculata Scott D. White 2000-5-30 7972 Riverside 1.0 mile southeast of the I-15/El Cerrito Road junction adjacent to new housing construction. 334 Comment
  CAS-BOT-BC294116  Deinandra kelloggii R. F. Hoover 1968-6-7 11155 Riverside Lower St. Johns Canyon south of Hemet Comment
  UC64116  Delphinium H. M. Hall May 1899 Riverside 20 mi s Agua Caliente; San Jacinto Mountains Comment
  JEPS23348  Delphinium cardinale W. L. Jepson May 17 1901-Jun 1 1901 1572 Riverside Temescal Wash Comment
  RSA550040  Delphinium parishii Walter Wisura, A. King, L. Newcomb 1992-4-10 4667 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  UC912669  Delphinium parishii subsp. parishii Curtis Ferris 1932-3-23 87 Riverside Palm Springs Comment
  UCSB12962  Delphinium parryi Woodhouse, Charles 1962-5-5 Riverside 6.5 miles south of Banning on road to Idyllwild 1158 Comment
  CAS-BOT-BC121433  Delphinium parryi subsp. parryi P. C. Everett 1935-6-17 7160 Riverside Santa Ana Mts., Coldwater Canyon, trail to Santiago Peak, 2 mi above Glen Ivy Resort 609 Comment
  CAS-BOT-BC121437  Delphinium parryi subsp. parryi Marion L. Campbell 1921-3-26 57 Riverside Banning Comment
  LA45841  Dendromecon rigida Norman C. Cooper; 1944-6-17 1414 Riverside San Jacinto Mountains, above Banning 1219 Comment
  SD217340  Dendromecon rigida Tim Ross, Laurel Arnseth 1990-3-30 3955 Riverside Vail Lake area, granitic ridge at South end of Black Hills south of 'Big' Oak Mountain. 730 Comment
  UCR114960  Deschampsia danthonioides Fred M. Roberts 1992-4-25 4870 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  RSA356706  Deschampsia danthonioides var. gracilis R. F. Thorne, E. W. Lathrop 1975-5-20 45505 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  RSA85463  Deschampsia danthonioides var. gracilis J. C. Roos 1952-4-16 5543 Riverside Edgemont, near Box Springs. 488 Comment
  UCR281012  Dicentra chrysantha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 21 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  RSA716261  Dichelostemma capitatum Scott D. White, Angelia Carey 2004-4-5 10000 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA770850  Dichelostemma capitatum Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4938 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
  RSA367526  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-5-21 1276 Riverside San Jacinto Mtns., west side. 1372 Comment
  UCR215508  Dichelostemma capitatum subsp. capitatum Daphne K. Christopher, Hannah I. Stevens 2003-4-3 082 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  RSA501045A  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3166 A Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CLARK-A1528-2155  Dicoria canescens John C. Roos 1956-12-15 6605 Riverside Palm Springs 243 Comment
  UC1523589  Dicoria canescens Robert F. Thorne and C. W. Tilforth 1980-5-28 54158 Riverside n-s rocky ridge at e side Whitewater River (at mouth of canyon, ca. 1/4 - 1/2 mi e of Whitewater Post Office); San Bernardino Mts., Colorado Desert Comment
  UCR85283  Dicoria canescens Bern Schwenn 1994-3-21 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Park and vicinity, Little San Bernardino Mtns, along radio tower road in first canyon west of mouth of Pushawalla Canyon, east of Upper Thousand Palms Canyon 610 Comment
  SEINET11855652  Dicoria canescens L. S. Rose 1935-12-19 35664 Riverside Colorado Desert, Palm Springs 138 Comment
  CAS-BOT-BC150925  Diplacus bigelovii var. bigelovii Ynez Whilton Winblad 1937-3-22 s.n. Riverside East slope of Chocolate Mts. Comment
  CAS-BOT-BC152913  Diplacus brevipes Jenkins; Street 1917-5-30 1938 Riverside Hemet Comment
  CAS-BOT-BC152917  Diplacus brevipes Street; Durant 1918-5-12 s.n. Riverside San Jacinto Comment
  SEINET222285  Diplacus fremontii B. Ertter, J. Strachan 1979-1 2989 Riverside Banning-Idyllwild Rd (Hwy 243) at Black Mt turnoff (Forest Rd 4Sol), San Jacinto Mts Comment
  CAS-BOT-BC150682  Diplacus longiflorus H. M. Hall 1901-6-1 2077 Riverside In the vicinity of Chalk Hill 1402 Comment
  RSA0018419  Diplacus longiflorus var. calycinus Scott D. White, Tasha La Doux 2000-4-20 7682 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  SD186337  Diplacus puniceus Andy C. Sanders, Mike Misenhelter 2005-3-23 29260 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA651790  Distichlis spicata var. stricta D. H. Wilken 1966-3-26 794 Riverside Hidden Palms Oasis in the Indio Hills. Comment
  CHSC110028  Ditaxis lanceolata Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot, 2004-5-14 11225 Riverside Colardo Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  JOTR30266  Ditaxis neomexicana Leary, Pat, Ed Rossick 1987-5-16 3824 Riverside Joshua Tree National Park. Hexie Mountains, Porcupine Wash, 5m from Ruby Lee Mine trailhead, T4S R11E sec1 (unsurveyed) [UTMs estimated, January 2010] Comment
  SD44842  Ditaxis neomexicana Darley F. Howe 1952-4-28 Riverside Chuckwalla Mountains Comment
  UCR72175  Ditaxis neomexicana Theo Glenn 1991-5-15 91- 36 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  CAS-BOT-BC43653  Dithyrea californica Alice Eastwood 1913-4-30 2987 Riverside Palm Springs. Comment
  JOTR33801  Dithyrea californica La Doux, Tasha, B. Truesdell 2007-11-9 3299 Riverside Joshua Tree National Park. Pinto Basin; Fried Liver Wash, along Route 11 where the wash crosses the road (STOP1) 532 Comment
  RSA691086  Dithyrea californica Scott D. White 2001-4-18 8361 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  RSA784514  Dodecahema leptoceras Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 71 Riverside Crossing of Woodchunk road and 79 Hwy Comment
  RSA228812  Dodecatheon clevelandii Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 597 Riverside Santa Rosa Plateau, ca. 5 mi. west of Murrieta near Forest Route 7S01. 549 Comment
  SBBG103911  Dodecatheon clevelandii S. D. White 1993-4-20 1213 Riverside ridge SE of Estelle Peak, Gavilan Hills 792 Comment
  CAS-BOT-BC129969  Dodecatheon redolens H. M. Hall 1901-7-1 2335 Riverside Vicinity of Deer Springs Comment
  CAS-BOT-BC129971  Dodecatheon redolens H. M. Hall 1901-7-1 2335 Riverside Vicinity of Deer Springs 2743 Comment
  UC219245  Downingia cuspidata P. A. Munz 1922-4-29 5093 Riverside 0.5 mi s Lake Elsinore 381 Comment
  RSA697425  Draba corrugata J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mountain Comment
  LA204315  Draba cuneifolia T. Craig; 1932-2-24 1795 Riverside Coachella Valley, Cathedral City, Coachella Valley Comment
  RSA781803  Draba cuneifolia Duncan S. Bell 2010-5-1 877 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  CLARK-A1528-5229  Draba sonorae John C. Roos 1952-3-19 5402 Riverside Box Springs Mountains 457 Comment
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Oct 23 2014
  RSA692504  Dryopteris arguta Norman C. Cooper 1944-5-21 1248 Riverside San Jacinto Mountains, West side 915 Comment
  RSA463691  Dudleya edulis Steve Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with Temecula Creek, near the town of Murrieta. 290 Comment
  POM12114  Dudleya lanceolata Mary F. Spencer 1921-5-30 1124 Riverside Canyon near San Jacinto. 549 Comment
  CAS-BOT-BC197012  Echinochloa colona Malcom A. Nobs; S. Galen Smith 1948-9-3 488 Riverside Imperial Valley. 2 miles north of Indio Comment
  UCR246423  Echinochloa colona S. J. Myers 2013-10-10 s.n. Riverside Perris-Aguanga Basin Region, Moreno Valley, intersection of Kitching St. and Globe St., between Perris Blvd. and Lake Perris, N of Ramona Expressway 447 Comment
  POM313161  Echinochloa colona Malcolm A. Nobs, S. Galen Smith 1948-9-3 488 Riverside Palm Springs. Comment
  JOTR35167  Echinochloa crus-galli La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3271 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  RSA286805  Elatine californica R. F. Thorne 1974-5-23 44673 Riverside Santa Ana Mountains, Santa Rosa Plateau, Rancho California: N edge of large vernal marsh, Mesa de Colorado 624 Comment
  SEINET11990727  Elatine californica R. F. Thorne, Thorn, M. Z.; Wisura, W. 1978-1 51987 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  CAS-BOT-BC113604  Eleocharis acicularis Frederick Morris Reed 1908-7-12 2480 Riverside Lake Surprise, San Jacinto Mts. 2743 Comment
  UC1100718  Eleocharis macrostachya Malcolm A. Nobs, S. Galen Smith 1948-9-3 502 Riverside Thermal Imperial Valley Comment
  CAS-BOT-BC113281  Eleocharis parishii Scott D. White 1995-6-29 3409 Riverside Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence. 350 Comment
  LA102170  Elymus condensatus John C. Roos; 1963-8-10 sn Riverside Blythe Comment
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Mar 10 2014
  UCR19371  Elymus condensatus John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  SD232143  Elymus glaucus Valerie Soza, Naomi Fraga 2003-6-25 1703 Riverside Peninsular Ranges, San Jacinto mountains region, slope above junction of Dark Canyon and Fuller Mill Creek. 455 Comment
  UCR80797  Elymus glaucus Scott D. White 1993-5-29 1478 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  UC1137080  Elymus trachycaulus August L. Hormay 1932-8-8 Riverside Tamarack Valley Comment
  UCD62702  Elymus trachycaulus Alan A. Beetle 1946-6-10 4396 Riverside San Jacinto Mts., San Jacinto Mt. Near Idyllwild. 1219 Comment
  CHSC101910  Emmenanthe penduliflora Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10461 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: east side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  OBI32762  Emmenanthe penduliflora Richard L. Irwin 1962-4-21 39 Riverside Beneath center of Crestomore Rd bridge over Santa Ana River and ca 100 ft W 244 Comment
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Aug 24 2013
  RSA525223  Emmenanthe penduliflora Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4601 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  SD4049  Emmenanthe penduliflora Edmund Jaeger 1925-5-2 Riverside Kyes water Canyon, Box Springs Mountains. 579 Comment
  SBBG29830  Emmenanthe penduliflora var. penduliflora E. Braunton -Mar-1940 2033 Riverside Berdoo Cyn Comment
  UCR138759  Emmenanthe penduliflora var. penduliflora Scott D. White 1997-5-18 5170 Riverside San Jacinto Mtns., Northern Escarpment south of Banning: along Hwy 243, c. 5 road mi SE of Banning and 5 road mi NW of Vista Grande 1159 Comment
  CAS-BOT-BC291155  Encelia Elizabeth McClintock 1964-4-8 s.n. Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  RSA644190  Encelia actoni Scott D. White 1995-8-23 3561 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
  UCR238216  Encelia actoni Mark A. Elvin 2004-8-3 3654 Riverside Peninsular Ranges: San Jacinto Mountains, Garner Valley, east of Hwy 74, southof Fobes Ranch Road, north of Morris Ranch Road 1402 Comment
  UCR270315  Encelia californica T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8341 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
  SD187348  Encelia farinosa Naomi Fraga, Lisa Rojas 2005-2-10 1374 Riverside Northeastern Colorado Desert: Just north of Palen Pass Road, ca. 10 miles east of Highway 177. 365 Comment
  UC1118072  Encelia farinosa A. Lewis 1933-1-28 143 Riverside San Jacinto Quadrangle, Reservoire Butte 579 Comment
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Oct 30 2011
  POM305624  Encelia farinosa var. farinosa Henry J. Ramsey, Henry J. Ramsey 1937-3-2 875 Riverside Between Blythe and Parker. Comment
  POM4936  Encelia farinosa var. farinosa I. M. Johnston 1917-6-5 1937 Riverside Hills south of Arlington 366 Comment
  JOTR32657  Ephedra californica La Doux, Tasha, M. Bell, A. Holt, A. Miller, K. Matthews 2007-5-23 1338 Riverside Joshua Tree National Park. where Queen Valley meets Pleasant Valley, just north of Malapai Hill; open bajada with pediments, near Geology Tour Road 1219 Comment
  LA31385  Ephedra californica Jane Turner; 1959-3-29 C 181 Riverside Morongo Wash Comment
  RSA296153  Ephedra californica B. A. Prigge 1980-8-5 3831 Riverside Whitewater Canyon, 0.5 miles N of trout farm 701 Comment
  RSA383871  Ephedra californica M. B. Dunkle 1932-3-25 2874 Riverside Cabazon, Colorado Desert. Comment
  SEINET10532236  Ephedra californica var. funera A. K. Evans 1976-4-13 Evans 5129 Riverside Rocky slopes of Santa Rosa mountains. Comment
  SEINET5332412 Image available Ephedra clokeyi I. W. Clokey 1935-4-17 6513 Riverside Cottonwood Springs Comment
  CAS-BOT-BC81823  Ephedra nevadensis B. D. Stark 1932-6-17 3747 Riverside Colorado Desert. Eagle Mts., canyon above Cottonwood Springs 396 Comment
  SEINET3867745  Ephedra trifurca Faulkner 1978-3-20 327 Riverside Near Big Maria Mtns., 1 mile West of Colorado River.; 0 152 Comment
  UCR269208  Ephedra trifurca Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 987 Riverside Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  SBBG51153  Ephedra viridis N. R. Zabriskie, W. Zabriskie 1974-3-30 696 Riverside S of jct with North Cyn, Andreas Cyn Comment
  UC1287195  Ephedra viridis C. L. Hitchcock 1966-3-16 24204 Riverside 7 mi s of Palm Desert (along Palms to Pines Hiway) Comment
  UCR241399  Epilobium campestre T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7445 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UC64311  Epilobium canum subsp. latifolium H. M. Hall 1901-6 2330 Riverside ridges and peaks near Tauquitz; San Jacinto Mountains 2133 Comment
  RSA740925  Epilobium ciliatum Scott D. White, Justin M. Wood 2008-7-9 12424 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
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Sep 8 2009
  RSA522101  Epilobium ciliatum subsp. ciliatum Steve Boyd, T. S. Ross 1989-8-28 3794 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA586314  Epilobium ciliatum subsp. ciliatum D. L. Banks, Steve D. Boyd 1995-5-3 225 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
  POM48356  Epipactis gigantea Philip A. Munz, I. M. Johnston 1924-7-27 8793 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  UCR38681  Epipactis gigantea J. M. Stewart 1985-6-2 8523 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon, Palm Canyon drainage 244 Comment
  SDSU12982  Equisetum hyemale subsp. affine Michael G. Simpson with Claudia A. Luke 1999-10-27 2015 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  SDSU13490  Equisetum laevigatum Shasta Gaughen, M. G. Simpson 2000-5-19 7 Riverside Ca. 25 yards west of river crossing below North Side Field Station, Santa Margarita Ecological Reserve. 229 Comment
  UCR113731  Eragrostis cilianensis Mitch Provance 2000-7-30 2170 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  RSA450449  Eragrostis cilianensis J. C. Roos 1965-7-7 s.n. Riverside San Jacinto. Comment
  RSA316420  Eragrostis minor R. F. Thorne 1982-10-8 55392 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office 595 Comment
  SBBG71518  Eremalche exilis M. N. Ackley 1927-3-13 701 Riverside Coral Reef Ranch -9 Comment
  RSA432714  Eremalche rotundifolia N. C. Cooper 1949-4-8 3233 Riverside Mecca Pass east of Indio 457 Comment
  RSA432715  Eremalche rotundifolia N. C. Cooper 1949-4-8 3297 Riverside Desert Center. 610 Comment
  RSA695438  Eremalche rotundifolia Scott D. White, Michael Honer 2003-5-14 9289 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SBBG99225  Eremalche rotundifolia W. L. Halvorson 1977-3-8 77 -79 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  RSA596668  Eremocarpus setiger D. L. Banks, Lauren Raz 1996-11-5 1149 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  CAS-BOT-BC160058  Eremothera boothii subsp. condensata L. A. Greata 1905-4-1 432 Riverside Coachella Comment
  RSA0110545  Eriastrum densifolium subsp. elongatum Mitch Provance 1998-6-6 686 B Riverside Jurupa Mnts: Jensen Quarry, Sunnyside area on W side of SIerra Blvd, just E of corner of 29th St. and Scenic Drive. 299 Comment
  RSA0119712  Eriastrum diffusum subsp. coachellae Scott D. White, Michael Honer 2003-4-25 9102 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road. 610 Comment
  RSA0119716  Eriastrum diffusum subsp. coachellae P. A. Munz 1930-5-1 11921 Riverside Morongo Valley. Comment
  RSA0120069  Eriastrum eremicum subsp. eremicum Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Colorado Desert. Comment
  RSA0041732  Eriastrum harwoodii Sarah J. De Groot, April Garbat 2013-4-9 7000 Riverside Along Blythe-Rice (=Midland) Road, 1.9 mile south of Rice and Highway 62, near bottom of Rice Valley, east side of Arica Mountains. 232 Comment
  RSA0120684  Eriastrum harwoodii Duncan S. Bell 2010-5-1 903 Riverside Arica Mountains: northwest of mountain range, approximately 8.6 air miles west of the ghost town of Rice, and approximately 6.8 air miles northwest of Priests Well. 286 Comment
  SD239871  Eriastrum harwoodii Dave Silverman, Fred Sproul, Tammy Beyerl and Erin Bergman 2010-3-29 7875 Riverside East end of Chuckwalla Valley, W of Blythe, 1.3 m S of gas line frontage, 1.9 km S of I-10 and 8.5 km west of Nicholl's Warm Spring. 142 Comment
  RSA0121574  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, Valerie Soza 2004-6-22 11546 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
  CAS-BOT-BC515006  Eriastrum sapphirinum subsp. dasyanthum P. C. Everett; E. K. Balls; L. W. Lenz 1952-7-1 17283 Riverside 6.7 mi W along Hwy 74 from jct with road S from Idyllwild 914 Comment
  CAS-BOT-BC515046  Eriastrum sapphirinum subsp. sapphirinum Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mts., Strawberry Valley 1645 Comment
  POM350409  Ericameria cuneata var. spathulata Jack Rempel, Erwin H. Miller 1934-4-28 18726 Riverside Lost Horse 1296 Comment
  CAS-BOT-BC299527  Ericameria palmeri var. pachylepis H. M. Hall 1930-11-9 13026 Riverside Aguanga Hills 5 mies from Aguanga Comment
  POM182369  Ericameria palmeri var. pachylepis J. Ewan 1931-10-3 5225 Riverside Dry sand at lake margin Mocking bird Canyon, near Arlington. Comment
  OBI38365  Ericameria paniculata David J. Keil 1980-11-30 s.n. Riverside At Whtewater along I-10 Comment
  LA205877  Ericameria pinifolia Harlan Lewis; 1939-10-22 1032 Riverside San Jacinto Mountains, Hemet Lake 1371 Comment
  UCR34962  Ericameria pinifolia L. B. Ziegler 1964-10-12 044 Riverside San Jacinto Mtns, Garner (Hemet) Valley. 1372 Comment
  JOTR36388  Ericameria teretifolia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3341 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  RSA6033  Erigeron foliosus C. B. Wolf 1932-8-4 3918 Riverside San Jacinto Mountains: Point View near Idyllwild. 1646 Comment
  UCR21955  Erigeron foliosus var. foliosus Steve Boyd 1980-6-4 317 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  CSUSB103  Eriodictyon crassifolium Kenneth Hibberd 1966-3-27 660327 7 Riverside One mile north of northwest corner of Lake Elsinore. 426 Comment
  SDSU6012  Eriodictyon crassifolium A. H. Gallup 1948-6-12 Riverside San Jacinto Road from San Jacinto. Comment
  SDSU6070  Eriodictyon crassifolium Charles F. Phleger 1962-5-12 12 V62 Riverside Collected on highway 74 fives miles east of Hemet. In sandy soil with Salvia apiana, Eriogonum Fasciculatum and Quercus dumosa. Comment
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Oct 5 2011
  UCR130879  Eriodictyon crassifolium A. C. Sanders, John Green 1999-5-31 22797 Riverside Box Springs Mtns., upper Two Trees Canyon, east of Belvedere Heights 610 Comment
  CAS-BOT-BC189128  Eriodictyon crassifolium var. crassifolium S. B. Parish 1893-5-1 2645 Riverside Reche Canon [Canyon] Comment
  JEPS46  Eriodictyon crassifolium var. crassifolium W. L. Jepson May 17 1901-Jun 1 1901 1257 a Riverside San Jacinto River San Jacinto Valley (San Jacinto Valley); , San Jacinto River 487 Comment
  UCR94239  Eriodictyon crassifolium var. crassifolium Scott D. White 1996-4-14 3903 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  CAS-BOT-BC188970  Eriodictyon parryi Mrs. E. C. Van Dyke 1928-7-10 s.n. Riverside Near Idyllwild Comment
  UCD101513  Eriogonum Collector unknown 1971-6-9 578 Riverside Kingsbury Station. Comment
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May 5 2014
  CAS-BOT-BC242846  Eriogonum davidsonii Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  JOTR29270  Eriogonum davidsonii La Doux, Tasha 2005-8-17 1540 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Barker Dam; near Wall Street Mill parking lot along trail heading toward Wonderland Wash 1319 Comment
  POM244786  Eriogonum davidsonii E. C. Jaeger 1938-5-14 s.n. Riverside Covington Flats, Joshua Tree National Monument. 1280 Comment
  RSA766422  Eriogonum davidsonii Ralph Hoffmann 1929-9-7 999 Riverside San Jacinto Mtns. 1646 Comment
  UC218108  Eriogonum davidsonii P. A. Munz 1922-6-25 5822 Riverside bet. Hemet Valley and Vandeventer; San Jacinto Mts. 1432 Comment
  UC6303  Eriogonum davidsonii H. M. Hall July, 1901 2624 Riverside vicinity of Strawberry Valley; San Jacinto Mountains 1584 Comment
  UC64500  Eriogonum davidsonii H. M. Hall May, 1899 Riverside Coyote Canyon El Toro Mt., Coyote Canyon Comment
  UCR102435  Eriogonum davidsonii G. R. Ballmer 1991-6-22 s.n. Riverside San Jacinto Mtns., SE end of Garner Valley, on Pacific Crest Trail about 2-3 mi north of junction with Hwy 74; in vicinity of Bull Canyon Comment
  UC68582  Eriogonum deflexum var. deflexum H. M. Hall 1905-4-1 5953 Riverside Paloverde Valley Colorado Desert, Paloverde Valley 76 Comment
  RSA192059  Eriogonum elongatum E. W. Lathrop 1965-12-9 6035 Riverside 5 miles southwest of Murrieta on the De Luz truck trail. 457 Comment
  SEINET6418387  Eriogonum fasciculatum Ken Zysk 1971-4-27 P 140 Riverside Chaffey College 457 Comment
  CAS-BOT-BC249955  Eriogonum fasciculatum var. foliolosum Donald A. Johansen 1933-7-14 713 Riverside Mesa Mira Comment
  SEINET6418379  Eriogonum fasciculatum var. foliolosum T. Reeves 1978-5-13 6894 Riverside San Jacinto Mtns. Foothills SE of Banning. Access via Westward Ave. 671 Comment
  CAS-BOT-BC250133  Eriogonum fasciculatum var. polifolium Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  CAS-BOT-BC250137  Eriogonum fasciculatum var. polifolium Edmund C. Jaeger 1932-5-12 s.n. Riverside Cottonwood, near Sage, south of Hemet Comment
  JOTR30059  Eriogonum fasciculatum var. polifolium La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1691 Riverside Joshua Tree National Park. Stop #1 = Near Geology Tour rd., N of Malapai Hill 1267 Comment
  RSA393341  Eriogonum fasciculatum var. polifolium H. de Forest 1933-4-17 s.n. Riverside Chino Canyon, Colorado Desert. Comment
  UC6312  Eriogonum gracile A. J. McClatchie May 1892 48 Riverside near Elsinore Comment
  UCR261191  Eriogonum gracile A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41719 Riverside Esinore, large vacant lot NW of Hwy 74 and SW of the intersection of 74 and Collier Ave. 386 Comment
  RSA741737  Eriogonum gracile var. gracile M. Wall 2008-10-6 494 Riverside San Jacinto Valley, Baustista Rd. south east of Hemet; Bautista Creek ca. 6.0 miles SE of Fairview Ave. 778 Comment
  SD136783  Eriogonum gracile var. gracile Steve Boyd 1994-10-14 8382 Riverside San Mateo Canyon Wilderness Area of the Cleveland Nartional Forest. San Mateo Canyon at the confluence with Bluewater Canyon 328 Comment
  SD187458  Eriogonum gracile var. incultum Scott D. White, Angelia Carey 2004-9-16 10767 Riverside San Jacinto Mountain Foothills, San Jacinto River wash near Indian Creek confluence 502 Comment
  VVC412  Eriogonum inflatum W. W. Mayhew 1959-2-4 s.n. Riverside Colorado Desert, 6 miles SE of Midland 228 Comment
  RSA0121215  Eriogonum inflatum var. deflatum Duncan S. Bell, LeRoy Gross 2016-3-8 8817 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of the range, approximately 2 air miles east southeast of the summit for the range. 603 Comment
  JOTR33783  Eriogonum maculatum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2925 Riverside Joshua Tree National Park. north of Quail Mountain, near the mouth of Johnny Lang Canyon; loamy and gravelly gentle slopes with rock outcrops in an old burn area from 1999 fire 1173 Comment
  RSA785068  Eriogonum maculatum Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 76 Riverside Belvedere road, turn from Hwy 74, uphill towards white rocks. Comment
  UCR122585  Eriogonum molestum George K. Helmkamp 1995-11-16 101 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
  UCSB12437  Eriogonum nudum var. pauciflorum Breedlove, Dennis 1961-8-4 Riverside Black Mtn Campground; NW side of Black Mtn; San Jacinto Mtns 2286 Comment
  CAS-BOT-BC258051  Eriogonum plumatella Carl B. Wolf 1932-10-11 4283 Riverside Morongo Wash at the San Bernardino County line 762 Comment
  CAS-BOT-BC253014  Eriogonum reniforme Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9526 Riverside Pinto Basin 16 miles from Cottonwood Springs Comment
  RSA676112  Eriogonum thomasii Scott D. White 2001-4-3 8244 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC912797  Eriogonum thomasii Ira L. Wiggins 1937-3-9 8758 Riverside 5 mi w Shaver's Well Comment
  UCR269866  Eriogonum thomasii A. C. Sanders, Jim Malusa 2016-3-18 42361 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCR90320  Eriogonum thomasii Ed LaRue 1993-4-28 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 125 Comment
  CLARK-A1045-98  Eriogonum thurberi George K. Helmkamp 1977-6-7 Riverside Riverside at the ""falls"" [sand at west base of Mt. Rubidoux]; Riverside West 7.5'Q Comment
  UCR111231  Eriogonum trichopes S. G. Stokes 1933-4-9 51 Riverside Sonoran (Colorado) Desert, South of Palm Springs 244 Comment
  UCR3812  Eriogonum trichopes Frank C. Vasek 1964-4-12 640412- 05 Riverside Sonoran (Colorado) Desert, 29 Palms Road, 2.9 mi south of San Bernardino Co line, 1.5 mi from the junction with Rice Road Comment
  CAS-BOT-BC264925  Eriogonum wrightii var. membranaceum Lester Rowntree 1929-11-13 s.n. Riverside San Jacinto Mts. Comment
  UCR137173  Eriogonum wrightii var. nodosum Larry E. DeBuhr 1977-5-6 2587 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi N from I-10 671 Comment
  UCR100210  Erioneuron pulchellum B. G. Pitzer 1997-10-19 3357 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCR51982  Erioneuron pulchellum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2185 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  CAS-BOT-BC298486  Eriophyllum ambiguum var. paleaceum L. R. Abrams 1926-3-26 11013 Riverside Palm Springs Comment
  POM10255  Eriophyllum ambiguum var. paleaceum Charlotte M. Wilder 1907-04 s.n. Riverside Andreas Canyon, near Palm Springs Comment
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Mar 12 2011
  RSA129769  Eriophyllum ambiguum var. paleaceum H. S. Yates 1937-3-24 6457 Riverside Deep Canyon, Thermal. 610 Comment
  CAS-BOT-BC297344  Eriophyllum confertiflorum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  OBI16503  Eriophyllum confertiflorum Dieter H. Wilken 1965-6-29 322 Riverside Poppet Flat along County rte 1, San Jacinto Mtns 1372 Comment
  SD187350  Eriophyllum confertiflorum Scott D. White, Angelia Carey 2004-4-16 10157 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  UCR34970  Eriophyllum confertiflorum L. B. Ziegler 1967-5-18 133 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  JEPS34708  Eriophyllum confertiflorum var. confertiflorum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1329 Riverside Thomas Valley to Van Deventer's Ranch Comment
  UCR22094  Eriophyllum multicaule Steve Boyd 1980-4-13 131 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR60778  Eriophyllum multicaule Steve Boyd 1986-3-1 1365 Riverside Gavilan Hills, Gavilan Hills, on recent burn, 0.25 mi south of Harford Springs County Park 640 Comment
  RSA651115  Eriophyllum wallacei Marion P. Harthill 1971-3-19 33 Riverside Palm Desert. Comment
  UC1259282  Eriophyllum wallacei T. J. Watson Jr. 1970-3-25 369 Riverside Cottonwood Springs; Joshua Tree National Monument Comment
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Oct 9 2010
  CDA4662  Erodium cicutarium M. L. Jack 1973-3-15 Riverside Banning. 0 Comment
  UCD103199  Erodium cicutarium Barry Priggs; L. Martinez 1978-3-23 2400 Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of North Palm Springs on Dillon Rd. 274 Comment
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Sep 9 2013
  UCR103274  Erodium cicutarium B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3574 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR97247  Erodium cicutarium Scott D. White 1997-2-28 4720 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  SEINET244841  Erodium macrophyllum Ian G. Gillespie 2000-4-19 10 Riverside Temescal Valley; 0.9 mi SE of Indian Truck Trail and 30 m S of DePalma Road. 427 Comment
  UCR97502  Erodium moschatum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19874 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UC217947  Erodium texanum P. A. Munz, D. Keck 1922-4-13 4923 Riverside Hayfield Colorado Desert, Chuckwalla Valley 152 Comment
  SBBG122755  Eryngium aristulatum var. parishii A. Parikh 1990-5-14 170 Riverside Santa Rosa Plateau Ecological Reserve, NE part of Mesa de Burro, S of Miller Cyn, 3.3 km SSW of Murrieta 593 Comment
  RSA761755  Erysimum capitatum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 650 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCSB13334  Erysimum capitatum var. capitatum Atwater, Illiani 1961-5-7 Riverside Highway 74, 3.2 miles east of junction with Anza Rd., near Palm Springs 1371 Comment
  CAS-BOT-BC166986  Erythranthe guttata Oleg Pryadko 2008-5-2 052 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
  SEINET13732758 Image available Erythranthe primuloides A. J. Breitung 1953-1 15572 Riverside Mt. San Jacinto. 2438 Comment
  UCD96465  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 258 A Riverside California. Riverside County: Joshua Tree National Park. 610 Comment
  RSA524429  Eschscholzia californica Steve Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4125 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UC69220  Eschscholzia glyptosperma E. E. Schellenger Apr. 1905 Riverside Santa Maria Mts. Colorado Desert Comment
  LA46247  Eschscholzia minutiflora F. R. Fosberg; 1932-3-13 8070 Riverside Coachella Valley, Thousand Palms Canyon Comment
  UCD94285  Eschscholzia minutiflora Shannon M. Still 2009-2-21 438 Riverside California. Riverside County. 223 Comment
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Sep 2 2017
  UCD94294  Eschscholzia minutiflora Shannon M. Still; Robert Lee 2009-3-3 453 Riverside California. Riverside County: Joshua Tree National Park. 530 Comment
  UCR30089  Eschscholzia minutiflora George K. Helmkamp 1983-4-5 483- 35 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR104810  Eschscholzia parishii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2735 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  UCR118643  Eschscholzia parishii Helen Kennedy, Sara Mills 2001-3-17 5400 Riverside Mojave Desert, 0.8 mi from the junction of Hwy 10 & Cottonwood Springs Road, 100m SE of the entrance to Joshua Tree National Park 550 Comment
  UCSB3656  Eschscholzia parishii Atsatt, Pete 1958-3-22 Riverside 5.8 miles east of Desert Center; on highway 60 and 70 Comment
  JOTR01022  Eschscholzia parishii Cole, James E. 1941-4-23 637 Riverside Joshua Tree National Park. WEST END OF PINTO BASIN 609 Comment
  UC195337  Escobaria vivipara var. alversonii S. B. Parish 1916-5-13 10861 Riverside Shaver's Well; Colorado Desert Comment
  RSA420834  Eucrypta chrysanthemifolia H. Twining 1890-02 s.n. Riverside 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
  POM47495  Eucrypta micrantha Mary F. Spencer 1920-3-27 1595 Riverside Palm Springs. 122 Comment
  RSA0107848  Eucrypta micrantha Duncan S. Bell, Amanda Turek 2009-3-30 168 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  SD227860  Eulobus californicus A. C. Sanders 1994-5-15 14484 Riverside Mount Rubidoux: NW side of Riverside on the east bank of the Santa Ana River. 399 Comment
  SJSU13061  Euonymus occidentalis var. parishii C. W. Sharsmith 1945-8-28 5450 Riverside Indian Cr Canyon, Mt San Jacinto 1828 Comment
  CAS-BOT-BC202384  Euphorbia abramsiana Lewis S. Rose 1936-12-22 36807 A Riverside San Jacinto Mts., Palms to Pines Highway 17 mi. SW. of Indio 914 Comment
  RSA0040031  Euphorbia albomarginata W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Blythe. Comment
  RSA286540  Euphorbia eriantha John F. Emmel 1979-3-12 622 Riverside Big Maria Mtns.; near SW base of Black Hill, near SW base of the mtns. 267 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
  UCR23189  Euphorbia maculata S. Gallagher 1981-6-1 30 Riverside Riverside, intersection of Serpentine Road & Palmyrita Avenue, SE corner, 10 m S from Palmyrita Ave. street sign. 305 Comment
  UC397412  Euphorbia misera E. C. Jaeger 1921-4-10 Riverside Near Palm Springs, Colorado Desert. Comment
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Aug 27 2011
  UC1792829  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-3-17 17979 Riverside Coachella Valley: Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 188 Comment
  RSA717574  Euphorbia polycarpa A. C. Sanders 2004-2-6 27386 Riverside Foothills at edge of Temescal Valley, intact ridge at a development called Trilogy at Glen Ivy, south of Brown Canyon 442 Comment
  RSA162836  Euphorbia polycarpa var. polycarpa J. D. Olmsted 1959-4-17 386 Riverside Riverside - San Bernardino County line along west side of Highway 71, 1/4 mile north of Prado Dam. 213 Comment
  SEINET885157  Fagonia laevis A. C. Sanders, Pitzer, Charlton, Kniffen 1986-1 6100 Riverside Corn Spring, Chuckwalla Mountains, wash below the spring and wash and rocky to the south. 487 Comment
  UCR130121  Fagonia laevis Scott D. White 2001-4-3 8255 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UCR52013  Fagonia laevis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2203 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  VVC1721  Fagonia laevis Jim Andre, T. La 2009-3-10 s.n. Riverside Colorado Desert, Joshua Tree Natl. Park; south end of the Cottonwood Mtns near Pinkham Wash just N of aquaduct just inside JTNP boundary, approx 7 mi W of S entrance into park at Cottonwood. 542 Comment
  RSA776178  Fagonia laevis Amber Swanson 2011-3-19 243 Riverside Off Red Cloud Rd in the Chuckwalla Mtns. 586 Comment
  CLARK-A1528-64  Festuca megalura C. M. Flanagan 1973-4-26 OO 315 Riverside Morongo Indian Reservation 1158 Comment
  UCR220136  Festuca microstachys D. E. Bramlet 1989-4-10 1827 Riverside Peninsular Range; Perris-Aguanga Basin region, Lake Skinner County Park, southwest slope of Bachelor Mountain, c. 1000 ft. NW of the dam and 1200 ft. west of the MWD canal 439 Comment
  UCR2404  Festuca microstachys F. M. Reed 1920-6-14 4376 Riverside San Jacinto Mtns., Meadows and other ground about Idyllwild 1524 Comment
  UCR225580  Festuca myuros A. C. Sanders, T. B. Salvato 2011-3-29 38869 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  UCR137492  Festuca octoflora D. L. Banks, V. W. Steinmann 1997-3-13 1524 A Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR22152  Festuca octoflora Steve Boyd 1980-5-11 226 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  RSA496369  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3043 Riverside Vail Lake area, 0.75 mile NW of dam, S flank Oak Mountain 622 Comment
  RSA522755  Filago californica Steve Boyd, L. Arnseth, Timothy S. Ross 1990-3-29 3862 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
  RSA777285  Filago californica Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4991 -a Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  POM254733  Filago depressa P. A. Munz 1940-3-23 15688 Riverside north end of Pinto Basin 610 Comment
  SDSU12259  Foeniculum vulgare Jeremy Mass, Ryan Jacobsen 2000-4-19 6 Riverside Growing near the streambed of Stone Creek ca. 15 ft east of the road near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  UCR4475  Forestiera pubescens L. B. Ziegler 1963-3-18 s.n. Riverside 2 mi south of Mt. Russel (S of Moreno) Comment
  CSUSB831  Fouquieria splendens Steve G. Nelson 1974-4-13 Riverside Highway 195, four miles southwest of junction with US Highway 10. Comment
  RSA782243  Fouquieria splendens R. W. Spjut 2008-2-29 16211 Riverside Sonoran Desert. BLM: Red Cloud Road just west of Desert Center, about 8 miles SE of I-10 along Red Cloud Road, Chuckwalla Bench 570 Comment
  CAS-BOT-BC223604  Fouquieria splendens subsp. splendens John H. Thomas 1957-3-30 6539 Riverside 8.1 mile east of Cactus City, about 20 miles east of Coachella. Colorado Desert 426 Comment
  CLARK-A1528-812  Fragaria vesca subsp. californica P. A. Rauch 1966-4-30 Riverside San Jacinto Mountains 1584 Comment
  CAS-BOT-BC62969  Frangula californica subsp. tomentella Louis C. Wheeler 1931-10-4 206 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  UCR16326  Frasera parryi K. Stolte 1978-5-28 s.n. Riverside Peninsular Range, Hwy 371 near Anza, by road marker 66-32. 1220 Comment
  SD143813  Fraxinus dipetala A. C. Sanders, P. MacKay, et al. 1997-5-4 20674 Riverside San Jacinto Mountains: North side of the range, 0.2 mile north of Twin Pines Ranch Road, on the dirt road to Brown Creek and Cabazon./ 1098 Comment
  SD247460  Fraxinus velutina Fred T. Sproul, Julia Groebner 2014-7-21 6006 Riverside Santa Ana River at Norco (Corona North 7.5'Q) 175 Comment
  UCD122024  Fraxinus velutina A. C. Sanders; O. F. Clarke 1991-6-10 11134 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR81996  Fumaria officinalis Steve Morgan 1994-3-25 94- 2 Riverside UCR Botanic Garden Comment
  HSC99155  Funastrum cynanchoides var. hartwegii Paul J. CaraDonna 2009-3-15 120 Riverside Cholla Gardens, Joshua Tree National Park Comment
  JOTR34312  Funastrum hirtellum Andre, Jim 2012-4-11 20727 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
  RSA676108  Funastrum hirtellum Scott D. White 2001-4-17 8337 Riverside Sonoran Desert: Shaver s Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freewayexit accessing pump station. 457 Comment
  UCD170415  Galium angustifolium D. O. Burge 2017-3-12 2222 Riverside Alvin Meadows. 1500 Comment
  UCR201998  Galium angustifolium Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR271515  Galium angustifolium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8357 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
  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
  RSA702386  Galium aparine Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1282 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  UCR121342  Galium aparine A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25037 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR174053  Galium aparine A. C. Sanders 2006-5-19 32430 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
  JOTR32839  Galium multiflorum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1481 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  JOTR33927  Galium multiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2818 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
  UCR177635  Galium porrigens John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  UCR271514  Galium porrigens var. tenue T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8348 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
  POM14223  Galium stellatum Philip A. Munz, D. D. Keck 1922-4-9 4792 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
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Apr 5 2011
  UCR208931  Garrya flavescens Larry E. DeBuhr 1972-3-24 530 Riverside Peninsular Ranges; San Jacinto Mountains region, Santa Rosa Mountains, San Bernardino National Forest, along forest road 7S02 2195 Comment
  RSA577513  Garrya veatchii D. L. Banks, Steve D. Boyd 1995-1-18 42 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness. N slope of Agua Tibia Mnt., W of Wild Horse Peak, along the Dripping 963 Comment
  RSA601080  Garrya veatchii A. C. Sanders, S. Hawkins, J. Goetzen 1996-5-1 18121 Riverside Morongo Indian Reservation, SE edge of Burro Flats. 1098 Comment
  UCR95323  Gazania linearis Steve Boyd 1996-4-14 8546 Riverside Santa Ana Mtns., along Main Divide Road, just east of Sierra Peak at divide between Fresno and Fremont canyons. 884 Comment
  UCR248028  Gelsemium sempervirens O. F. Clarke 2010-7-30 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  JOTR32025  Geraea canescens La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2255 Riverside Joshua Tree National Park. Pinto Basin, south of Sand Hill; gravelly slopes and benches (developing desert pavement) interspersed with sandy pockets (Stop 2) 495 Comment
  RSA105932  Geraea canescens Richard Mallory 1955-4-6 476 Riverside Borrego Desert State Park. Borrego Valley 8 miles east of Christmas Circle. 152 Comment
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Feb 19 2013
  SD212640  Geranium A. C. Sanders, T. B. Salvato 2006-5-4 32246 Riverside UCR campus, weeds in botanical garden. 351 Comment
  UC130494  Geranium californicum Charlotte M. Wilder 1909-7-11 950 Riverside Round Valley San Jacinto Mts. 2743 Comment
  UC17131  Geranium californicum H. M. Hall Jul 1901 2464 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  UCR118398  Gilia A. C. Sanders 1994-5-29 14560 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  RSA470123  Gilia angelensis Anstruther Davidson 1926-05 s.n. Riverside Corona. Comment
  RSA543771  Gilia angelensis Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6031 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
  RSA613327  Gilia angelensis D. L. Banks 1997-3-6 1391 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  SD152788  Gilia angelensis Steve Boyd 1992-4-15 6880 Riverside San Mateo Canyon Wilderness Area; Bluewater Canyon along Bluewater Tr. Downstream to the confluence with San Mateo Creek. 334 Comment
  RSA92546  Gilia angelensis J. C. Roos, Lucille Roos 1954-4-17 6069 Riverside Pass at summit of Reche Canyon. 732 Comment
  POM13004  Gilia capitata subsp. abrotanifolia P. A. Munz, I. M. Johnston 1922-5-19 5434 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA71798  Gilia capitata subsp. abrotanifolia F. W. Peirson 1924-7-29 5034 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  UCR13436  Gilia diegensis Mike McCloskey 1973-5-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., Sandy shoulder of Hwy 74 in Garner Valley 1311 Comment
  SD137682  Gilia ochroleuca subsp. exilis Darin L. Banks, Steve Boyd 1995-4-5 148 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, west of the Dripping Springs Trail. 573 Comment
  UC908938  Gilia ochroleuca subsp. exilis Herbert L. Mason 1926-4-30 3111 Riverside Temescal Canyon Comment
  RSA0016278  Gilia ochroleuca subsp. exilis Verne Grant, Alva Grant 1952-3-19 9030 Riverside Near mouth of Whitewater Canyon. Comment
  RSA0095188  Gilia ochroleuca subsp. exilis Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western base of Estelle Mountain. 317 Comment
  RSA0019473  Gilia scopulorum J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24391 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  UCR25085  Gilia splendens A. C. Sanders 1980-7-18 1641 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  JEPS2614 Image available Gilia stellata L. M. Newlon 1922-4-3 433 Riverside Andreas Canyon San Jacinto Mts.; Andreas Canyon, San Jacinto Mts. Comment
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Apr 7 2011
  JEPS69719  Gilia stellata W. L. Jepson 1928-4-25 12600 Riverside in the wash below Cottonwood Spr; Colorado Desert, Eagle Mtns. 731 Comment
  JOTR35058  Gilia stellata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3510 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  RSA0096821  Gilia stellata Duncan S. Bell, Andrew Chambers 2015-3-12 7785 Riverside San Gorgonio Wilderness area; Whitewater Canyon; about 0.75 air miles northeast of Red Dome. 863 Comment
  RSA0121065  Gilia stellata Duncan S. Bell, Thomas Stoughton 2016-3-15 8931 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  UC1025126  Gilia stellata H. K. Wagnon 1944-3-8 307 Riverside near fork of stream in s part Palm Canyon Palm Springs, s part Palm Canyon Comment
  UCD117897  Gilia stellata Raymond A. Evans 1949-11-10 s.n. Riverside Canyon west of White Water Canyon, north of Palm Springs. 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
  RSA445520  Glaucium flavum Donald A. Johansen 1933-7-14 710 Riverside Along road from Cherry Valley to Mesa Mira. 1372 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
  UCR208049  Glinus radiatus R. E. Riefner Jr. 2003-9-26 03- 379 Riverside Wildomar, approx. 1 mile east of I-15 along Clinton Keith Rd. in vicinity of Smith Ranch Rd. 427 Comment
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Nov 12 2019
  UCR266906  Glycyrrhiza lepidota D. E. Bramlet 2005-5-24 3861 Riverside Perris-Aguanga Basin Region, Warm Springs Creek, west of I-15, between Golden Gate Circle and Nick Lane 323 Comment
  RSA583382  Gnaphalium californicum Steve Boyd, Darin Banks 1995-4-5 8432 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  UCR92247  Gnaphalium luteoalbum Scott D. White 1995-7-7 3448 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA535469  Gnaphalium microcephalum Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6644 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  RSA656554  Gnaphalium palustre A. C. Sanders 2000-5-25 23420 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  UCR202580  Gnaphalium stramineum Scott D. White, Justin M. Wood 2008-7-8 12403 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA430054  Guillenia lasiophylla M. B. Dunkle 1937-3-25 4923 Riverside Colorado Desert. Shaver s Well Comment
  RSA776088  Guillenia lasiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 820 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UCR203959  Gutierrezia californica Michael Wall 2008-10-3 491 Riverside Perris-Aguanga Basin, Bautista Creek, east of Hemet off Bautista Canyon Road c. 7 mi east of the junction with Fairview Ave. 758 Comment
  UCR94642  Gutierrezia californica Scott D. White 1996-5-27 4077 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  CAS-BOT-BC302145  Gutierrezia sarothrae Lewis S. Rose 1936-12-24 36816 Riverside San Jacinto Mts. Palms to Pines Highway, 24 mi. SW. of Indio 1066 Comment
  RSA0104641  Gutierrezia sarothrae Duncan S. Bell 2014-11-14 7728 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  UC284166  Gutierrezia sarothrae P. A. Munz 1923-6-18 7125 Riverside 3 mi n Lake Elsinore Comment
  CLARK-A1528-1881  Haplopappus cuneatus John C. Roos 1942-10-24 2575 Riverside Joshua Tree National Park Comment
  UC217889  Harpagonella palmeri P. A. Munz and I. M. Johnston 1922-5-19 5335 a Riverside 5 mi ne Murietta 457 Comment
  RSA717575  Helianthemum scoparium var. scoparium A. C. Sanders, Mike Misenhelter 2005-3-23 29272 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA0018590  Helianthus annuus Duncan S. Bell 2013-1-30 4456 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  SD181695  Helianthus annuus Scott D. White 1996-9-22 4541 Riverside Perris: Nuevo Road near intersection with Wilson Ave., west of San Jacinto River crossing. 434 Comment
  SDSU13563  Helianthus annuus W. Miller with C. Mosse 1972-7-11 Riverside Comment
  GMDRC6543  Helianthus gracilentus J. M. Andre 2012-6-15 30494 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  UCR155314  Helianthus gracilentus A. C. Sanders, Mike Misenhelter 2005-3-23 29262 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR250136  Helianthus gracilentus Dick Newell, Judy Booth 2013-11-24 343 Riverside Peninsular Range; Santa Ana Mtns., North Main Divide Road, Cleveland National Forest, 0.5 mi. east of Orange Co. line 825 Comment
  UCD170502  Helianthus niveus D. O. Burge 2017-3-22 2236 Riverside Palm Springs International Airport, roadside on N Gene Autry Trail. 115 Comment
  JEPS35472  Helianthus petiolaris subsp. canescens W. L. Jepson 1914-5-23 6057 Riverside Coachella Desert Comment
  CSUSB740  Heliotropium curassavicum Heather Hanson 1966-5-16 Riverside 50 yards east of where the Santa Ana River crosses Van Buren Blvd., in the river bottom. 182 Comment
  RSA653075  Heliotropium curassavicum A. C. Sanders 1997-5-1 20614 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
  UCR172155  Heliotropium curassavicum A. C. Sanders 2006-5-11 32273 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  RSA487433  Hemizonia fasciculata Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  UCR111740  Hemizonia fasciculata S. J. Myers 1996-5-30 s.n. Riverside Corona: River Road bridge over the Santa Ana River 159 Comment
  UCR133665  Hemizonia fasciculata Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR139191  Hemizonia fasciculata Virginia Moran 2003-5-16 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 1' on northern edge of first baseline transects established by CNLM 422 Comment
  UCR180044  Hemizonia kelloggii Mitch Provance 2005-5-18 9811 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR217558  Hemizonia mohavensis Jeff B. Galvin 2009-7-14 94 Riverside Peninsular Ranges, San Jacinto Mountains, Chimney Flats, along Old Control Road 1383 Comment
  RSA0001298  Hemizonia paniculata S. B. Parish, Parish 1882-06 1419 Riverside Near Temecula Comment
  RSA727715  Hemizonia paniculata R. E. Riefner 2006-9-19 06 -444 Riverside Temecula Valley, c. 0.2 mi. west of I-15 Freeway along Temecula Creek, head of Santa Margarita River. 301 Comment
  SEINET238520  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2000-5-25 23423 Riverside Menifee Valley: S of Newport Rd. N of Holland Rd. and E of Bradley Rd. 2 miles due east of Railroad Canyon Lake. 439 Comment
  UCR155811  Hemizonia paniculata John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR201877  Hemizonia paniculata Justin M. Wood 2008-9-22 166 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  CLARK-A1528-247  Hemizonia paniculata subsp. paniculata R. P. Sunderman 1968-5-6 2 Riverside Riverside 365 Comment
  CLARK-A1528-1923  Hemizonia pungens John C. Roos 1952-5-14 5670 Riverside San Jacinto River 426 Comment
  RSA528046  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-26 2062 Riverside Murrieta Creek at the Rancho California Street bridge in Temecula. On W side of creek, just E of Diaz Rd and within the creek channel 330 Comment
  UCR201411  Hemizonia pungens subsp. laevis Justin M. Wood 2008-11-5 220 Riverside SW Perris Basin, Murrieta Creek, 2 mi southeast of Murrieta, open field north of Winchester Road and between the creek and Jefferson Avenue 314 Comment
  CLARK-A1528-2176  Hemizonia tenella John C. Roos 1952-7-19 5816 Riverside Santa Ana Mountains 761 Comment
  UCR174159  Herniaria hirsuta subsp. cinerea A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32598 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
  RSA1909  Hesperocallis undulata B. D. Stark 1931-4-27 1090 Riverside 2.0 miles east of Mecca. Alt. below sea level. Comment
  RSA377053  Hesperocallis undulata N. C. Cooper 1949-4-8 3291 Riverside Blythe. 259 Comment
  UCR213275  Hesperocallis undulata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37428 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  UCR97451  Hesperocnide tenella A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19767 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
  JEPS16283  Heterocodon rariflorum H. M. Hall Jun 1901 2205 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR140567  Heteromeles arbutifolia Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 9- 69 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles east of Hemet on Hwy 74 near Dry Creek, Site L9 961 Comment
  JEPS20378  Heterotheca grandiflora Marjorie D. Clary 1932-10-21 1571 Riverside 6 mi w Indio (Point Happy, upper end of Coachella Valley); Coachella Valley, Point Happy Comment
  HSC104168  Heterotheca sessiliflora A. C. Sanders, T. B. Salvato 2014-7-2 41156 Riverside San Jacinto Mtns.: Forbes Canyon, ~0.5 mi. S of Forbes Ranch along Forbes Ranch Rd. 1555 Comment
  CAS-BOT-BC26196  Heterotheca sessiliflora var. sanjacintensis J. C. Semple; J. Chimielewski 1987-9-30 8982 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr. Comment
  POM13900  Hibiscus denudatus P. A. Munz, D. D. Keck 1922-4-9 4832 Riverside South base of Eagle Mountains 213 Comment
  RSA432782  Hibiscus denudatus Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  POM360477  Hieracium horridum M. B. Dunkle 1933-7-19 3685 Riverside Tahquitz Ridge, San Jacinto Mts 2500 Comment
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Feb 12 2009
  SBBG66337  Hieracium horridum R. Hoffmann 1929-9-5 Riverside Tahquitz Ridge 2438 Comment
  UCR124099  Hilaria rigida Steven R. Hill 2001-5-3 33679 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  RSA405280  Hoffmannseggia glauca N. C. Cooper 1949-4-8 3322 Riverside Blythe. 259 Comment
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Nov 20 2011
  UC724324  Hoffmannseggia glauca Aven and Ruth Nelson 1939-3-30 3344 Riverside between Mecca and Blythe (Highway 70) Comment
  CAS-BOT-BC206103  Hoffmannseggia microphylla John Thomas Howell 1928-1-30 3307 Riverside 2 miles e. of Shaver's Well, Colorado Desert Comment
  CAS-BOT-BC206107  Hoffmannseggia microphylla Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CAS-BOT-BC207571  Hoffmannseggia microphylla E. A. McGregor 1917-3-18 723 Riverside 1 mi up Painted Canyon [Canon] Comment
  CAS-BOT-BC207950  Hoffmannseggia microphylla Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well, Colo Desert Comment
  CAS-BOT-BC540725  Hoffmannseggia microphylla Sarah J. De Groot; Duncan S. Bell; Cheryl Sevilla 2015-2-10 7359 Riverside Bear Creek drainage, East Fork; E side of Santa Rose Mountains, S of La Quinta, W of Lake Cahuilla 195 Comment
  RSA0118061  Hoffmannseggia microphylla Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7618 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  CAS-BOT-BC207569  Hoffmannseggia microphylla John Thomas Howell 1928-3-25 3543 Riverside Painted Canyon [Canon] Comment
  UCR163992  Holocarpha virgata subsp. elongata John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2 miles NE of Squaw Mountain 640 Comment
  CAS-BOT-BC150022  Holodiscus discolor var. discolor Carl V. Meyer 1928-8-27 552 Riverside San Jacinto Peak 3200 Comment
  SD126613  Hordeum murinum subsp. glaucum Ed LaRue 1989-4-14 Riverside Old agricultural fields 1/2 mi. S of Lakeview. 456 Comment
  RSA633327  Horkelia clevelandii Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38078 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
  UC12390  Horkelia clevelandii H. M. Hall 1897-6-16 648 Riverside San Jacinto Mountains, Strawberry Valley 1615 Comment
  UCR256883  Horkelia clevelandii G. D. Wallace 2003-7-8 4050 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  UCR4670  Horkelia clevelandii Frank C. Vasek 1964-7-19 640719- 04 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove Comment
  UCR29005  Horsfordia newberryi A. C. Sanders 1982-12-19 3452 Riverside Sonoran (Colorado) Desert, foot of Santa Rosa Mtns, Coachella Valley, south side of the ridge forming the south boundary of Martinez Canyon; west end of Ave 74, 2.6 miles west of Polk Street 122 Comment
  SDSU4294  Hosackia crassifolia var. crassifolia Charles F. Phleger 1962-5-13 Riverside Collected on the Huffman acreage, 5 miles north of Idlewild. Comment
  RSA782990  Hulsea vestita J. D. Olmsted 1959-7-7 746 Riverside Tahquitz Valley 4 miles ENE of Idyllwild 915 Comment
  UC897988  Hulsea vestita subsp. callicarpha Munz and Johnston 1922-5-19 5415 Riverside on Farmer Ranch Hemet Valley; San Jacinto Mts. 1386 Comment
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Mar 13 2011
  RSA134687  Hydrocotyle ranunculoides P. H. Raven 1959-5-17 14233 Riverside Lake Fulmor, San Jacinto Mtns. Comment
  RSA650973  Hymenoclea salsola Marion P. Harthill 1971-3-19 25 Riverside Palm Desert. Comment
  CAS-BOT-BC312861  Hymenoxys odorata Roxana S. Ferris 1918-6-19 1010 Riverside At Blythe, Colorado River bottoms Comment
  UC68917  Hymenoxys odorata H. M. Hall 1905-4-1 5914 Riverside Paloverde Valley Colorado Desert 76 Comment
  UCR195117  Hypericum formosum A. C. Sanders, Tim Thomas 2008-8-1 35946 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  POM254338  Hypochaeris glabra P. A. Munz 1941-5-18 16661 Riverside North end of Santa Rosa Ranch, Elsinore Mts. Comment
  CAS-BOT-BC219751  Hyptis emoryi W. R. Dudley 1903-12-28 s.n. Riverside Near Palm Springs Comment
  CAS-BOT-BC219759  Hyptis emoryi V. Newsom 1927-3-25 s.n. Riverside Painted Canyon, Colorado Desert Comment
  RSA420162  Hyptis emoryi Robert Gustafson 1978-3-21 838 Riverside Joshua Tree National Monument, about 4 miles from the junction of the road leading through the park and Hwy 70. 640 Comment
  RSA793418  Hyptis emoryi Naomi S. Fraga, David Fraker, Tommy Stoughton 2012-3-15 3945 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  SEINET2065619 Image available Hyptis emoryi E. R. Blakley 1962-11-25 5483 Riverside 5 mi W of Blyth on US 60 & 70 121 Comment
  SEINET2444034  Hyptis emoryi C. Davidson 2010-4-1 11663 Riverside Highway 168 to Joshua Tree National Park, ca 3.6 miles from 1-10. 721 Comment
  UCR109532  Hyptis emoryi R. D. Goeden, Don W. Ricker 1971-4-1 s.n. Riverside Sonoran Desert, Chuckwalla Mountains at Granite Well, SW of Desert Center, 0.4 mi. past sign saying 'Edmund C. Jaeger Nature Sanctuary' in bottom of canyon at old road crossing 366 Comment
  UCR214296  Hyptis emoryi A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37473 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  SEINET13948478 Image available Hyptis emoryi Carl B. Wolf 1932-1 2984 Riverside Colorado Desert. 8 mi E of Mecca on Blythe Road. Ca 300 ft alt 91 Comment
  UCSB51278  Imperata brevifolia John C. Roos 1965-6-23 Riverside collected in Palm Springs Palm Springs Comment
  RSA24226  Isocoma acradenia var. eremophila C. B. Wolf 1941-1-5 9817 Riverside Colorado Desert, Caleb, (on S.P.R.R. siding) S. of Mecca. -61 Comment
  UCR19519  Isocoma acradenia var. eremophila John C. Roos 1965-10-12 s.n. Riverside Sonoran (Colorado) Desert, near Indio -6 Comment
  UCR9262  Isocoma acradenia var. eremophila O. F. Clarke 1969-11-10 s.n. Riverside Sonoran (Colorado) Desert, Near Whitewater on Hwy 111, 2 mi. SE of point where 111 merges into Hwy I-10 at Verbenia Ave. 351 Comment
  POM318592  Isocoma menziesii var. menziesii Patricia Wilder 1970-10-15 4798 Riverside [Prado Dam area] Comment
  RSA702043  Isocoma menziesii var. menziesii Scott D. White, Angelia Carey 2004-9-16 10748 Riverside San Jacinto Mountain foothills: San Jacinto Mountain foothills: Along Poppet Creek NE of San Jacinto River. Along open sandy dry wash and adjacent roadside. 561 Comment
  RSA638870  Isocoma menziesii var. vernonioides Scott D. White 1998-10-9 7168 Riverside Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  UCD133437  Isocoma menziesii var. vernonioides K. Esau 1935-6-21 s.n. Riverside Road to Beaumont. Comment
  RSA777284  Isomeris arborea Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4752 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119 604 Comment
  UC1601699  Juncus bufonius H. M. Hall Jun 1901 Riverside Onstatt Valley San Jacinto Mountains 1524 Comment
  UC2030094  Juncus bufonius Scott D. White 2000-8-5 8109 Riverside SAN JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). Comment
  UCR116993  Juncus bufonius A. C. Sanders, T. B. Salvato 2001-5-3 24100 B Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA268209  Juncus effusus subsp. austrocalifornicus M. B. Dunkle 1933-7-21 3722 Riverside Idyllwild 1616 Comment
  RSA335007  Juncus effusus subsp. austrocalifornicus Steve Boyd 1985-8-7 1106 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd., 0.8 miles east of junction with 8S01 and 8S02. Comment
  RSA356638  Juncus effusus subsp. austrocalifornicus Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47293 Riverside Santa Rosa Plateau: SE of Tenaja Guard Station 610 Comment
  UC1532810  Juncus luciensis Robert F. Thorne and Earl Lathrop 1975-5-20 45498 Riverside Mesa de Burro Santa Rosa Plateau, Rancho California 609 Comment
  UC1106414  Juncus macrophyllus Peter Kamb 1948-7-11 1197 Riverside Hall Canyon San Jacinto Mts. (above stream) 1645 Comment
  POM122518  Juncus mexicanus Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  SD71853  Juncus oxymeris Helen V. Witham 1969-7-2 249 Riverside In creek bed, DeLuz Creek, on road from DeLuz to Murietta, 7 miles south of Murietta. 299 Comment
  UC1601812  Juncus oxymeris H. M. Hall Jul 1901 Riverside vicinity Deer Springs; San Jacinto Mts. 2590 Comment
  UCR59752  Juniperus californica Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3203 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  SEINET10867013  Juniperus californica Huron H. Smith 1912-1 Smith 5482 Riverside Santa Rosa Mountains. Comment
  CAS-BOT-BC234574  Justicia californica R. F. Hoover 1966-10-15 10163 Riverside Dead Indian Canyon Comment
  RSA487532  Justicia californica B. Pitzer 1988-3-10 640 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
  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
  UCR244422  Justicia californica Jim Andre 2012-4-16 20917 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  UCR25774  Justicia californica John C. Roos 1937-4-28 795 Riverside Sonoran (Colorado) Desert, 30 miles west of Desert Center [Shavers Valley] Comment
  SEINET10457776  Justicia californica Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-23 Holmgren 6478 Riverside At the S entrance to Joshua Tree National Monument, near Interstate 10, 24 mi E of Indio. Creosote bush desert; frequent. 549 Comment
  UCR242293  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40416 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 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
  CAS-BOT-BC235493  Keckiella antirrhinoides Wayne Law; Jun Hu 2000-5-16 13 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona 396 Comment
  CAS-BOT-BC235503  Keckiella antirrhinoides Philip A. Munz 1937-5-29 15149 Riverside Deep Canyon, north slope of Santa Rosa Mts. 1066 Comment
  RSA339618  Keckiella antirrhinoides Robert F. Thorne, W. A. Tilforth 1980-5-28 54209 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
  CAS-BOT-BC236708  Keckiella antirrhinoides subsp. antirrhinoides L. Street 1917-5-15 1932 Riverside Between Elsinore and Perris Comment
  LA209283  Keckiella antirrhinoides var. antirrhinoides W. E. Pequegnat; 1939-4-8 21 Riverside Santa Ana Mts Comment
  JOTR32191  Keckiella antirrhinoides var. microphylla Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  JOTR32444  Keckiella antirrhinoides var. microphylla Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  CHSC1856  Keckiella cordifolia E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
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Mar 27 2011
  POM11201  Keckiella rothrockii subsp. jacintensis Philip A. Munz 1922-7-6 6027 Riverside Between Tahquitz Valley and Round Valley. 2287 Comment
  UCR125203  Kochia scoparia Mitch Provance 1998-5-27 546 Riverside City of Riverside, Hillside area, along railroad tracks on the NW corner of Dewey St. and Streeter Ave. 238 Comment
  RSA783583  Koeberlinia spinosa var. tenuispina Michael Wall 2011-4-2 603 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 6.5 miles east of jct. with Fairview Ave. 758 Comment
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Dec 20 2017
  RSA674939  Koeleria macrantha Scott D. White, Bill La Haye 2000-5-27 7948 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  CAS-BOT-BC61424  Krameria bicolor John Thomas Howell 1927-8-1 2875 Riverside N.E. of Whitewater, Colorado Desert 457 Comment
  JOTR31218  Krameria erecta La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2002 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 1) sparsely vegetated desert pavements below sand ramps 335 Comment
  RSA409439  Krameria erecta Gale Sphon 1955-5-22 s.n. Riverside 5 miles south of Pinon Flats, Palms to Pines Hiwy. [74]. Comment
  UCR239247  Krameria grayi Andrew Monks, Jackie McConnaughy, Malia Volke 2010-1 036 Riverside Colorado (Sonoran) Desert, Hwy 177 north of Desert Center and Desert Lily Sanctuary, east of Joshua Tree National Park border 274 Comment
  UCR21851  Lactuca serriola 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
  UCR279519  Lactuca serriola A. C. Sanders, Jim Malusa 2017-3-27 43119 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCR207346  Lamarckia aurea O. F. Clarke 2004-3-27 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR2511  Lamarckia aurea F. M. Reed 1933-5-20 7692 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  RSA489113  Lamarckia aurea L. F. LaPre, J. Easton 1988-1-27 s.n. Riverside Santa Rosa Plateau; Mesa de Burro, Santa Rosa Springs Ranch Comment
  UCR3813  Langloisia matthewsii Frank C. Vasek 1964-4-12 640412- 07 Riverside Sonoran (Colorado) Desert, 29 Palms Road, 2.9 mi south of San Bernardino Co line, 1.5 mi from the junction with Rice Road Comment
  RSA0013273  Larrea tridentata April Garbat, Sarah J. De Groot 2013-4-9 41 Riverside Along Graham Pass Rd near intersection with Chuckwalla Valley Rd 130 Comment
  RSA188722  Larrea tridentata H. U. Stauffer, Robert F. Thorne 1964-5-5 5923 Riverside 6.5 km south of Morongo Valley, 4.8 km south of County border. 550 Comment
  RSA390016  Larrea tridentata N. C. Cooper 1944-5-6 1198 Riverside Devils Garden Near Whitewater. 457 Comment
  RSA480026  Larrea tridentata Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2149 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA516899  Larrea tridentata Steve D. Boyd 1986-3-13 1418 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA761045  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-21 151 Riverside N of Desert Center. Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  UCR228391  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-20 149 Riverside Colorado Desert; Little San Bernardino Mountains region, W of Palen/ McCoy Wilderness. Intersection of Hwy 177 and Palen Pass Rd (kiosk) 366 Comment
  POM15179  Lasthenia coronaria Mary F. Spencer 1922-4-10 1951 Riverside Snow Creek, Palm Springs, Colorado Desert. 183 Comment
  RSA0008495  Lasthenia glabrata subsp. coulteri Steve Boyd, David E. Bramlet 1996-4-19 8626 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
  SD193078  Lasthenia glabrata subsp. coulteri W. J. Schrenk 2008-2-19 83 Riverside San Jacinto Wildlife Area, pond #1 Comment
  RSA601919  Lasthenia gracilis D. Bramlet 1997-3-15 2500 Riverside Nochols road wetlands: the site is located 183m SE of Nichols Raod, 52m W of Collier Ave, 335m W of I15. locality is 15m W of the existing dirt road extending S from Nichols Road and adjacent to Alberhill Creek. Comment
  RSA695577  Lasthenia gracilis Keith E. Hoffmaster 1936-4-26 712 Riverside Box Springs grade. Comment
  SD239603  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-3-28 38806 Riverside Peninsular Range: Perris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy (Romoland 7.5'Q) 434 Comment
  UC62982  Lasthenia gracilis H. M. Hall 1902-4-7 2753 Riverside vicinity of Riverside (Alessandro) 426 Comment
  UC62983  Lasthenia gracilis H. M. Hall 1902-4-21 2926 Riverside vicinity Riverside 457 Comment
  JEPS55283  Lathyrus vestitus var. alefeldii W. L. Jepson 1901-5-19 1279 Riverside Strawberry Valley, Mt. San Jacinto 1676 Comment
  CAS-BOT-BC379667  Layia platyglossa Steve Boyd 1986-4-22 1764 Riverside Temescal Canyon: Terrace escarpment W side of Indian Wash, S of I-15 Comment
  CAS-BOT-BC379673  Layia platyglossa H. M. Hall 1899-5-1 s.n. Riverside San Jacinto Mountains, Southern California; Johnsons 1676 Comment
  RSA691061  Layia platyglossa Scott D. White, Michael Honer 2003-4-9 8975 Riverside Hemet Area: Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm. 473 Comment
  RSA716423  Layia platyglossa Scott D. White 2006-4-27 11309 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UC30658  Layia platyglossa H. M. Hall 1899-5-1 Riverside Johnson's San Jacinto Mountains, Johnson's 1676 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
  CLARK-A1528-5691  Lepechinia cardiophylla John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  CAS-BOT-BC154109  Lepidium fremontii N. Aitkenhead 1977-2-2 s.n. Riverside S-O line SW of radio tower top of Chuckwalla Mnts. Comment
  CAS-BOT-BC89443  Lepidium fremontii K. Larson 1976-6-9 2021 Riverside Ca. 25 miles east of Indio. Comment
  RSA721895  Lepidium fremontii var. fremontii J. Mark Porter, Orlando Mistretta 2003-6-5 13608 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  RSA709973  Lepidium lasiocarpum Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4591 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC1007186  Lepidium lasiocarpum var. lasiocarpum Philip A. Munz 1940-3-23 15687 Riverside n of Pinto Basin (n Riverside County); Mohave Desert 609 Comment
  UCR60563  Lepidium latifolium Don Mitchell 1990-1-3 s.n. Riverside Woodcrest, south of Van Buren and west of Washington Comment
  UCR173878  Lepidium nitidum Scott D. White, Michael Honer 2003-4-2 8919 Riverside Peninsular Ranges/Santa Ana Mtns, Temescal Canyon: Alberhill area N of the I-15 Fwy, on and near crest of unnamed mountain, '2349 716 Comment
  UCR97714  Lepidium nitidum var. nitidum Scott D. White 1997-2-9 4681 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  SDSU12850  Lepidium pinnatifidum Janet M. Knotts, Jill Steinberg & Kevin Contreras 1998-3-25 25 III1998I Riverside Road to southwest of SDSU Margarita Field Station, ca. 1000 feet SW on road to switchback, northwest of bend in road. 262 Comment
  POM10276  Lepidium virginicum var. robinsonii Charlotte M. Wilder 1904-3-20 s.n. Riverside Wilder s Canyon Comment
  JEPS37109  Lepidospartum squamatum Mary Beal 1939-10-25 712 Riverside Palm Springs area Mojave Desert, Palm Springs area Comment
  RSA189412  Lepidospartum squamatum L. S. Rose 1966-12-14 66103 Riverside Whitewater Wash, N of Palm Springs. 198 Comment
  UC1303125  Lepidospartum squamatum Carl B. Wolf 1932-10-14 2452 Riverside 1/2 mi above bridge on the Banning to Indio road; Whitewater wash. 365 Comment
  CLARK-A1528-71  Leptochloa uninervia Fred B. Essig 1966-9-12 Riverside Riverside Comment
  UCR2516  Leptochloa uninervia F. M. Reed 1933-11-10 8312 Riverside Corona 305 Comment
  CLARK-A1528-726  Leptodactylon californicum Fred B. Essig 1964-4-25 28 Riverside Horsethief Canyon Comment
  UCR17751  Leptodactylon californicum subsp. leptotrichomum O. F. Clarke 1973-4-6 s.n. Riverside San Jacinto Mtns, Juaro Canyon, lower west side of the mountains near Soboba Hot Springs 549 Comment
  RSA668920  Leptodactylon jaegeri Heidi West, Lisa Fields 2000-7-18 s.n. Riverside On the south-facing side of a small rock outcrop (about 30ft. diameter), approximately 20ft. up on a ledge. The outcrop is 0.23 air miles east of Divide Peak, also east of Long Valley Creek and about 0.10 air mile NW of Hidden Lake. 2668 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
  RSA74294  Leptosiphon lemmonii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UC310390  Lesquerella tenella Edmund C. Jaeger 1926-3-24 Riverside Pinto Valley; eastern Riverside Co. Comment
  RSA674604  Lessingia glandulifera var. glandulifera Scott D. White 2000-8-5 8096 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  SD5322  Lessingia glandulifera var. glandulifera F. Youngberg 1933-8-28 Riverside Idylwild Pines San Jacinto Mountains. Comment
  SJSU13596  Lessingia glandulifera var. glandulifera C. W. Sharsmith 1945-8-28 5433 Riverside Indian Cr, Mt San Jacinto 1828 Comment
  UCR115344  Ligustrum lucidum A. C. Sanders 2000-12-16 23728 Riverside San Bernardino Valley, City of Riverside; UCR campus, along Big Springs Rd. just east of Campus Dr. 323 Comment
  SEINET10501653  Lilaea scilloides Robert F. Thorne 1974-5-23 Thorne 44658 Riverside Santa rosa plateau, rancho california: near junction of tenaja road and road to Ranch headquarters in cold, clear water of small stream, with ranunculus Aquatilis, marsilea mucronata, eleocharis montevidensis parishii, potamogeton Foliosus, callitriche heterophylla bolanderi, etc. 610 Comment
  UCR217561  Lilium humboldtii subsp. ocellatum Jeff B. Galvin 2008-6-26 72 Riverside Peninsular Ranges, Santa Ana Mountains, Horse Thief Canyon, 1.3 km SE of Trabuco Peak 955 Comment
  POM8112  Lilium parryi Mary F. Spencer 1919-7-4 1235 Riverside San Jacinto Mt., [San Jacinto Mountains]. 1220 Comment
  SD229046  Lilium parryi Dick Schwenkmeyer 2012-6-27 738 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UCR90759  Limosella aquatica D. E. Bramlet 1992-5-15 2282 Riverside Perris-Aguanga Basin region, Pipeline seep located south of Lakeview Hot Springs and just south of the MWD access road, some 833 m. west of the San Jacinto River and 433 m east of the intersection of Pozos Rd. and the MWD pipeline maintenance road Comment
  UCR25549  Linanthus androsaceus John C. Roos 1941-4-19 167 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  UC1537459  Linanthus aureus Gordon H. True Jr. 1935-4-10 222 Riverside Box Springs Sycamore Canyon 365 Comment
  JOTR31046  Linanthus aureus subsp. aureus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2029 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  PASA745  Linanthus bigelovii 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
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Aug 27 2016
  UCR68612  Linanthus bigelovii Steve Boyd, A. C. Sanders, M. Skinner 1990-4-28 4455 Riverside Peninsular Range, Vail Lake Area. east of USFS Dripping Springs Campground along Arroyo Seco Creek, south of Hwy 79. 518 Comment
  RSA228831  Linanthus californicus Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 591 Riverside Cleveland National Forest; 8.5 miles south of Lake Elsinore along Forest Route 6S08. Comment
  RSA287066  Linanthus californicus S. Carlquist 1981-4-11 15645 Riverside Ortega Hwy - 74, 2 miles south of Lake Elsinore Comment
  RSA691058  Linanthus dianthiflorus Scott D. White, Michael Honer 2003-4-9 8982 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  UCR1078  Linanthus dianthiflorus Robert A. Hawthorne 1957-3-23 s.n. Riverside Santa Ana Mtns., [road (Guava St.?) to Vail Ranch], 4 mi. southwest of Murrieta 366 Comment
  POM6699  Linanthus dianthiflorus subsp. dianthiflorus P. A. Munz, L. T. Street 1919-3-28 2378 Riverside San Gorgonio Pass, near Banning 701 Comment
  RSA0022553  Linanthus jonesii J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24383 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  JEPS58458  Linanthus lemmonii W. L. Jepson 1901-5-19 1296 Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  UCR108862  Linanthus lemmonii Heidi A. Haid 1969-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA783377  Linanthus nuttallii J. D. Olmsted 1959-4-17 416 Riverside Hagador Canyon 1/4 mile downstream from old tin mine along trail for water supply southwest of Corona 427 Comment
  RSA468523  Linanthus pungens Robert Kessler 1920-7-4 17044 Riverside Mount San Jacinto. Comment
  UCR91978  Linum usitatissimum S. J. Myers 1996-1-16 s.n. Riverside Perris Basin, 2 mi NE of Perris, flood control channel between Perris Blvd, & Murrieta St., parallel to Nuevo Rd c. 1/4 mi N. 442 Comment
  RSA495423  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2949 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA7581  Lobelia cardinalis subsp. graminea B. D. Stark 1933-11 5554 Riverside Andreas Canyon, desert side of San Jacinto Mountains. Comment
  RSA688852  Loeflingia squarrosa Scott D. White, Michael Honer 2003-5-13 9256 Riverside Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  RSA757740  Loeflingia squarrosa LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4307 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
  UCR116784  Loeflingia squarrosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24164 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR238087  Loeflingia squarrosa Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2053 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  RSA500180  Loeseliastrum matthewsii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3650 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  RSA796503  Loeseliastrum matthewsii J. Andre 2012-3-19 21359 Riverside Palen Valley; along Palen Pass Road (dirt), 1.2 miles east of Highway 177. 184 Comment
  RSA657241  Loeseliastrum schottii J. Mark Porter 2001-4-2 12340 Riverside Coachella Valley, Desert Hot Springs, NE of Big Morongo Wash, just N of the jtn. Agusta Avenue and Little Morongo Drive. 412 Comment
  UCR276654  Logfia depressa Jim Andre 2015-3-6 33548 Riverside Coachella Valley, along Snow Canyon oad, just south of Hwy 111 362 Comment
  CAS-BOT-BC342253  Logfia filaginoides Steve Boyd 1986-4-22 1732 Riverside Temescal Canyon: Walker Canyon area where Alberhill creek (=Temescal Ck.) flows between Alberhill Mtn. and Gavilan Hills Comment
  CAS-BOT-BC342257  Logfia filaginoides F. W. Peirson 1921-3-22 5277 Riverside Murray Canyon near Palm Springs 487 Comment
  SD124230  Logfia filaginoides Robert F. Thorne, Fosberg, Sachet and Herbst 1983-4-23 55488 Riverside San Bernardino Mountains; sandy wash along Whitewater River. Four miles north of Whitewater Post Office. 640 Comment
  UCR265814  Logfia filaginoides Mitch Provance 2012-5-24 512- 04 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
  RSA0085046  Lolium perenne Margaret Murphy 1983-5-1 0019 -B Riverside located in the north section of parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA552754  Lomatium dasycarpum subsp. dasycarpum Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6740 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  UC56507  Lomatium lucidum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1931 Riverside Temecula Creek 609 Comment
  UCR115430  Lomatium lucidum Scott D. White, D. E. Bramlet 1999-4-22 7245 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  POM96253  Lomatium lucidum E. C. Jaeger 1925-12-23 s.n. Riverside Aguanga. Comment
  UCR120961  Lomatium utriculatum A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23888 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  CAS-BOT-BC234804  Lonicera subspicata A. C. Sanders 1995-11-26 17910 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Small cyn crossing Spanish Spur Trail ca. 0.1 mi. N of Deer Spr. Trail, 0.2 mi. N of Kearsarge Rd. 1188 Comment
  RSA613857  Lonicera subspicata var. denudata Scott D. White 1997-2-9 4684 Riverside Peninsular Range Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden. 370 Comment
  SD229122  Lonicera subspicata var. denudata Dick Schwenkmeyer 2012-3-26 676 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  RSA342541  Lotus argophyllus var. argophyllus R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54088 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 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
  UC56579  Lotus argophyllus var. argophyllus H. M. Hall Apr 1902 2899 Riverside vicinity Sage 762 Comment
  RSA0028965  Lotus heermannii Keith E. Hoffmaster 1937-7-5 818 Riverside San Jacinto Mtns. Comment
  UCR158263  Lotus humistratus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30115 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
  UCR250382  Lotus humistratus A. C. Sanders, John F. Green 2014-4-4 40967 Riverside Peninsular Range; Elsinore Trough, N of Elsinore at Alberhill, along Lake St. south of the Temescal Canyon Rd. intersection, 378 Comment
  CSUSB1192  Lotus purshianus Leland R. Dykes 1962-5-8 94 Riverside Santa Ana Mountains, San Mateo Canyon Road, 7 miles west of Palomar Road in Murrieta. Comment
  RSA697973  Lotus rigidus J. R. Bruff 1927-11-26 39 Riverside Cottonwood Springs vicinity. Comment
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Jul 7 2012
  UCR14209  Lotus rigidus N. R. Zabriskie 1973-2-23 565 Riverside Peninsular Range/Sonoran (Colorado) Desert, Boyd's Road Lookout, Deep Canyon, N slope of Santa Rosa Mtns (Site 18) 854 Comment
  RSA613639  Lotus salsuginosus D. L. Banks, Victor W. Steinmann 1997-3-13 1480 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
  UCR187500  Lotus scoparius subsp. brevialatus Theresa Johnson 2006-5-11 098 Riverside Peninsular Range;, Santa Rosa Plateau, Los Alamos Canyon above confluence with San Mateo Canyon 427 Comment
  RSA6122  Lotus scoparius var. brevialatus C. B. Wolf 1932-5-25 3692 Riverside 1/4 mile SW of summit of Moreno Grade, Bad Lands SW of Beaumont 671 Comment
  RSA716258  Lotus scoparius var. brevialatus Scott D. White, Angelia Carey 2004-4-5 10005 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA498847  Lotus scoparius var. scoparius G. R. Johnstone 1934-3-27 18576 Riverside Near Wildomar. Inland route to Temecula. Comment
  CLARK-A1528-2806  Lotus strigosus John C. Roos 1952-4-9 5479 Riverside Riverside 259 Comment
  CSUSB1244  Lotus strigosus K. S. Gill 1965-4-17 Riverside South side of Highway 60, one mile west of Beaumont. 457 Comment
  CSUSB1245  Lotus strigosus Karen Cook 1966-3-17 Riverside 100 yards east of North-South railroad tracks on corner of Tanescalst & Compton Ave., Corona (city). Open hillside, grassy. 274 Comment
  UCR98294  Lotus strigosus Scott D. White 1992-3-29 92- 56 Riverside San Bernardino Mtns, Millard Canyon. Steep W facing slope below fork with East Millard Cyn Rd. Comment
  POM230748  Lotus unifoliolatus I. W. Clokey, E. G. Anderson 1933-8-21 6719 Riverside Keen Camp P. O. [Post Office] Riverside 1350 Comment
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Oct 30 2011
  CLARK-A1528-491  Lupinus arizonicus Susan Larisch 1963-3-23 60 Riverside Mecca Comment
  JOTR36470  Lupinus arizonicus La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3439 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  POM349942  Lupinus arizonicus J. Jones, Christopher Davidson 1980-4-4 9951 Riverside West end of the Orocopia Mtns. in a small canyon and wash almost due south of Oro peak. 518 Comment
  POM46801  Lupinus arizonicus Mary F. Spencer 1920-4-6 1467 Riverside Palm Springs. 122 Comment
  RSA663908  Lupinus arizonicus C. R. Annable 1995-3-12 2272 Riverside Mecca Hills, Box Canyon Wash. Hwy 195. Comment
  RSA747725  Lupinus arizonicus Scott D. White, Justin M. Wood 2009-3-24 12579 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
  RSA778226  Lupinus arizonicus Duncan S. Bell 2009-3-7 31 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  UCR160076  Lupinus arizonicus Robin Schramm, R. Schoeninger 1998-3-14 16 Riverside Sonoran (Colorado) Desert, 0.5 miles north of I-10 fwy on Eagle Mtn Rd exit 305 Comment
  OBI42677  Lupinus bicolor B. Pitzer & K. Kirtland, K. Kirtland 1986-5-6 201 Riverside Butterfield State Ranch dev, in the hills on the N side of Pauba Valley, in the Ranch Calif area, 1 mi S of Buck Mesa on the E side of Butterfield State Rd. T7S, R2W, sec 36 457 Comment
  RSA651072  Lupinus bicolor Margaret Murphy 1983-4-15 0012 -A Riverside located in the north section of [parcel] 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UCR155315  Lupinus bicolor A. C. Sanders, Mike Misenhelter 2005-3-23 29252 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR138143  Lupinus bicolor subsp. marginatus D. L. Banks, V. W. Steinmann 1997-3-13 1418 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  SD128292  Lupinus concinnus R. Mitchel Beauchamp 1971-5-15 2415 Riverside Black Mountain campground, San Jacinto Mountains. 2207 Comment
  UCR139025  Lupinus concinnus subsp. concinnus D. L. Banks 1997-4-5 1691 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  RSA407141  Lupinus concinnus subsp. optatus N. C. Cooper 1944-6-16 1435 Riverside San Jacinto Mtns. Pine Cove. 1524 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
  RSA413545  Lupinus densiflorus var. lacteus N. Cooper 1944-5-5 1201 Riverside Calimesa. 305 Comment
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Nov 22 2011
  UCR167981  Lupinus excubitus var. austromontanus T. B. Salvato, John F. Green 2004-5-27 650 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
  POM312120  Lupinus formosus N. C. Cooper 1944-6-16 1419 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA314673  Lupinus hirsutissimus Robert F. Thorne 1983-4-23 55498 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA751630  Lupinus hirsutissimus G. Gust, L. Nye 2005-3-11 542 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1-2 miles W of lake Elsinore on hill slope pullout. 481 Comment
  SEINET2062641 Image available Lupinus hirsutissimus Norman C. Cooper 1945-5-5 2249 Riverside San Gorgonio Mts above Banning 762 Comment
  UCR108399  Lupinus hirsutissimus D. L. Banks, V. W. Steinmann 1997-3-13 1459 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR262283  Lupinus hirsutissimus A. C. Sanders 2006-5-13 32284 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
  RSA6017  Lupinus hyacinthinus Carl B. Wolf 1932-8-5 3934 Riverside Summit of Devils Slide Trail from Idyllwild to Tahquitz Valley. 2439 Comment
  RSA719792  Lupinus hyacinthinus Naomi S. Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary D. Wallace 2006-9-7 1738 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  POM11042  Lupinus latifolius subsp. parishii Unspecified 1897-6-1 583 Riverside Riverside, no data on label Comment
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Jul 4 2010
  UCR180045  Lupinus microcarpus Mitch Provance 2005-5-18 9810 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  RSA594501  Lupinus microcarpus var. densiflorus D. L. Banks, Rashmi Pant 1996-5-13 1013 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along the base of a xeric, arkose ridge, in a small drainage, appx 400 m E of the Dripping Springs Guard Station, just S of Hwy. 493 Comment
  SJSU10778  Lupinus microcarpus var. densiflorus N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd near junction with Perris-Romoland Rd 457 Comment
  SD148159  Lupinus microcarpus var. microcarpus G. K. Helmkamp, E. A. Helmkamp 2001-5-2 6624 Riverside La Panza Range: CA-58 11.2 miles east of Santa Margarita 487 Comment
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Dec 7 2011
  RSA413800  Lupinus nanus subsp. nanus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA3983  Lupinus shockleyi Carl B. Wolf 1932-4-29 3121 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  JOTR29606  Lupinus sparsiflorus Andre, Jim 2006-4-26 6763 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  UC63257  Lupinus sparsiflorus H. M. Hall 1904-5-16 4946 Riverside Fairmont Park; vicinity of Riverside 243 Comment
  UCR78444  Lupinus sparsiflorus Scott D. White 1993-4-22 1244 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  POM276403  Lupinus sparsiflorus subsp. sparsiflorus L. R. Abrams 1926-3-25 11044 Riverside Between Banning and Cabazon Comment
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Mar 13 2011
  SBBG120070  Lupinus succulentus A. C. Sanders, K. Volansky 2005-3-17 29211 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA525461  Lupinus truncatus Steve D. Boyd, David E. Bramlet 1990-4-29 4507 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  SD187409  Lupinus truncatus Scott D. White, Angelia Carey 2004-4-16 10193 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  UCR177177  Lupinus truncatus Scott D. White, Michael Honer 2003-4-25 9097 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UC1106403  Luzula comosa var. laxa Peter Kamb 1948-7-3 1153 Riverside Hall Canyon, San Jacinto Mountains 1645 Comment
  UC1083106  Lycium Herbert L. Mason 1928-3-10 4215 Riverside Hidden Springs Canyon Coachella Mts. Comment
  JOTR35923  Lycium andersonii De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6871 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  RSA651328  Lycium andersonii N. R. Zabriskie, Walter Zabriskie 1971-2-15 345 Riverside C. 30' up bank from stream bed on west-facing slope of ''North Canyon;'' Andreas Canyon watershed, San Jacinto Mts. 366 Comment
  RSA4924  Lycium andersonii var. deserticola Carl B. Wolf 1932-4-28 s.n. Riverside Mesa at S.W. edge of Maria Mts., eastern Colorado Desert, 10 mi. from Blythe on the Rice rd 152 Comment
  POM160092  Lycium brevipes var. brevipes E. C. Jaeger 1927-3-20 s.n. Riverside Hidden Spring, Colo. Desert. Comment
  UC179043  Lycium cooperi S. B. and W. F. Parish Apr 1882 Riverside Morongo Pass Comment
  RSA13742  Lycopus americanus E. C. Jaeger 1921-08 1165 Riverside Riverside. Comment
  UCR43480  Lythrum californicum R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61277 Riverside Sandia Canyon, De Luz-Murrieta Road: Along small stream 262 Comment
  UCR90620  Lythrum californicum Scott D. White 1995-6-29 3400 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  UCR114747  Maclura pomifera A. C. Sanders, K. C. Rose 1999-6-18 22798 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  CAS-BOT-BC334712  Madia gracilis E. W. Lathrop 1966-5-15 6306 Riverside 3 miles SE of Murrieta on the De Luz Road Comment
  CAS-BOT-BC206265  Malacothamnus fasciculatus Louis C. Wheeler 1931-10-4 218 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 853 Comment
  UCR41341  Malacothamnus fasciculatus N. M. Fellows 1984-3-20 2 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  UC218090  Malacothrix coulteri P. A. Munz, D. Keck 1922-4-9 4813 Riverside Chuckwalla Valley, Hayfields Colorado Desert, Chuckwalla Valley, Hayfields 152 Comment
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May 1 2006
  POM362307  Malacothrix glabrata M. B. Dunkle 1932-3-25 2892 Riverside Cabazon. Comment
  POM362310  Malacothrix glabrata M. B. Dunkle 1935-3-31 4447 Riverside North of Cottonwood Springs, Colorado Desert 762 Comment
  RSA0122705  Malacothrix glabrata Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9059 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
  RSA554298  Malacothrix glabrata Dave Kelly 1992-3-11 92 -14 Riverside Hwy I-10, ca. 20 mi E of Indio. Comment
  RSA796092  Malacothrix glabrata Duncan S. Bell 2009-4-20 310 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SEINET2042092 Image available Malacothrix glabrata A. C. Sanders 2001-4-8 23972 Riverside (Desert Hot Springs Quad 7.5')Coachella Valley, Garnet, along transmission line route, E of Garnet. T3S R4E S15 (center of W/2) 232 Comment
  UCR216337  Malacothrix glabrata Mike Bell 2008-3-19 041 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, off Ruby Dr./13th (dirt track) between North Indian Canyon Dr. and Western Ave. 352 Comment
  RSA719469  Malacothrix saxatilis var. tenuifolia R. E. Riefner 2005-6-19 05 -447 Riverside Peninsular Ranges Province, Agua Tibia Mountains, SE of Temecula, Cleveland National Forest, Agua Tibia Wilderness, NW slope of Agua Tibia Mountain, ca. 1.5 mi WNW of Woodchuck Rd. 665 Comment
  IRVC79  Malosma laurina Mike Munier 1965-1 s.n. Riverside 1/4 mile S of Keen Camp Summit [along Hwy 74 SE of Mountain Center]. Peninsular Ranges, San Jacinto Mountains Comment
  UCR51560  Malva sylvestris Lyman Benson 1946-4-15 12016 Riverside [Calimesa area] 6 mi. SE of Redlands 610 Comment
  UC63861  Malvella leprosa H. M. Hall 1897-5-17 533 Riverside vicinity of Perris 457 Comment
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Feb 5 2013
  RSA543300  Marah macrocarpa Steve Boyd 1991-3-17 5511 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  HSC87166  Marina parryi Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2131 Riverside N end Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  RSA799928  Marina parryi Justin M. Wood, D. M. Ray 2011-4-28 3840 Riverside Sonoran Desert: Chuckwalla Valley: 4.2 miles southeast of Kaisers Eagle Mountain Mine, west of Kaiser Road on T-line road where it crosses over small hill. 257 Comment
  UC195034  Marina parryi Joseph Grinnell Riverside Colorado River Riverside Mt. Comment
  UCR211471  Marina parryi Tasha La Doux, Jim Andre 2008-9-13 266 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, upper Wilson Canyon on east side of paved highway 991 Comment
  UCR59713  Marina parryi A. C. Sanders 1989-9-19 9505 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  UCSB3068  Marina parryi Haller, John 1958-3-22 Riverside Immediately S of Hwy. 60-70, 5.8 miles E of Desert Center Comment
  RSA409844  Marrubium vulgare Freda Detmers 1931-6-19 s.n. Riverside Chino Hills. Comment
  UCR241681  Matricaria discoidea T. B. Salvato 2013-3-22 7396 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  UCR165193  Medicago polymorpha S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  RSA652934  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
  UC818920  Melica Marcus E. Jones, A. M. 1882-4-25 3554 Riverside San Jacinto Comment
  JOTR30808  Melica frutescens Andre, Jim, Tasha La Doux 2008-9-16 10688 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  POM113305  Melica frutescens Marcus E. Jones 1882-4-25 s.n. Riverside San Jacinto. Comment
  SEINET10599377  Melica frutescens Steve Boyd, Timothy S. Ross 1990-5-11 Boyd 4689 A Riverside Vail Lake area, Arroyo Seco drainage, cyn bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. T8S R1W S26 N1/2. Riparian woodland, pools along stream supporting Typha, Carex, etc. Benches, slopes burned. 579 Comment
  CLARK-A1528-75  Melica imperfecta C. M. Flanagan 1973-5-31 OO 650 Riverside Morongo Indian Reservation 975 Comment
  RSA496567  Melica imperfecta Bill Wagner 1988-4-5 s.n. Riverside Approx. 1.5 miles NW of the community of Murrieta. South side of I-15 Fwy at the junction of Nutmeg Rd. 381 Comment
  RSA702261  Melica imperfecta Steve Boyd, Aydee Virgen 2004-4-13 10852 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA740951  Melica imperfecta Scott D. White, Justin M. Wood 2008-6-19 12274 Riverside Meadows at Baldy Mtn. 1585 Comment
  SEINET1004450  Melica imperfecta A. C. Sanders 2004-1 27548 Riverside Santa Ana Mtns.: Santa Rosa Plateu, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UC76981  Melica imperfecta H. M. Hall 1899-5-21 1110 Riverside Strawberry Creek; San Jacinto Mountains 1371 Comment
  UCR180138  Melica imperfecta Mitch Provance 2003-4-26 9906 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
  CLARK-A1528-508  Melilotus albus Ken F. Clarke 1971-9-7 Riverside Riverside Comment
  UCR114318  Mentha Mitch Provance 1998-3-21 271 B Riverside Jurupa Hills, Sunnyslope, near the Ormand Quarry, at the corner of 30th St. and Sierra Ave. 274 Comment
  POM184640  Mentha aquatica Louis C. Wheeler 1932-9-4 1316 Riverside Prado Basin: Santa Ana River at Chino Creek 183 Comment
  CAS-BOT-BC223709  Mentzelia E. A. McGregor 1917-3-19 2053 Riverside Colorado Desert. Indio Comment
  JOTR33995  Mentzelia affinis La Doux, Tasha, M. Harding 2010-4-7 2883 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
  SD227845  Mentzelia affinis Scott D. White, Pam Devries 1998-3-3 6088 Riverside La Quinta / Palm Desert area; Whitewater River Channel at and near Miles Ave. crossing. 17 Comment
  LA210637  Mentzelia albicaulis Elizabeth Levine; 1949-5-22 s.n. Riverside At the Hurkey Creek Camp Grounds. Comment
  UCR25032  Mentzelia congesta A. C. Sanders 1980-7-18 1631 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UC1929461  Mentzelia desertorum Scott D. White 2001-4-12 8307 Riverside COLORADO DESERT: 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. Comment
  SD241093  Mentzelia involucrata Dave Silverman 2010-3-30 7890 Riverside Southern McCoy Mountains, east bajada flank, 1.8 km west of Black Creek Road, 4.4 km north of I-10 and 7.0 km ENE of McCoy Pk. 174 Comment
  UCR104844  Mentzelia involucrata George K. Helmkamp, E. A. Helmkamp 1998-2-5 2672 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR167459  Mentzelia involucrata 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
  UCR244306  Mentzelia involucrata Jim Andre 2012-4-16 20886 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
  UCR4133  Mentzelia involucrata Ronald M. Cope 1965-3-20 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., Small canyon on W side of Whitewater Canyon Road c. 2 mi. from trout hatchery. 549 Comment
  SEINET8712370  Mentzelia involucrata I. W. Clokey 1935-4-17 6762 Riverside Cottonwood Springs. Comment
  RSA649275  Mentzelia involucrata subsp. megalantha Sears 1978-3-18 917 Riverside 3 mi. E. of Corn Spring, 9 mi. SE of Desert Center. 366 Comment
  JEPS43918  Mentzelia jonesii Marjorie D. Clary 1932-3-27 1597 Riverside 5-10 mi n Indio; Indio Hills 243 Comment
  SD249696  Mentzelia longiloba J. M. Andre 2013-3-27 24811 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  UCR228827  Microseris douglasii subsp. platycarpha A. C. Sanders, T. B. Salvato 2011-4-4 38970 Riverside Peninsular Range, Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  POM15164  Microseris lindleyi Mary F. Spencer 1922-4-23 160 Riverside Maillard Canyon, prope [near] Banning. 701 Comment
  RSA586136  Microseris lindleyi D. L. Banks 1995-4-11 0179 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 Dripping Springs Trail 793 Comment
  UCR21294  Microseris lindleyi A. C. Sanders, K. Berg 1980-5-1 1350 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  RSA0018789  Mimetanthe pilosa Naomi S. Fraga, Erika Gardner, Beth Kempton, Tom Kerrin-Torres, Michael Wall 2008-7-17 2424 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  UCR241634  Mimulus aurantiacus var. pubescens T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 352 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA442720  Mimulus aurantiacus var. puniceus W. P. Burger 1979-4-29 65 Riverside Off Carancho Rd. , just past where creek crosses rd., in Hidden Valley. Near Lake Elsinor. 366 Comment
  RSA444468  Mimulus aurantiacus var. puniceus Roos 1966-4-29 s.n. Riverside Rocky hills between March Air Force Base and Lakeview. Comment
  RSA500550  Mimulus aurantiacus var. puniceus Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3622 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  SDSU13462  Mimulus aurantiacus var. puniceus Robin P. Silverstein, Taxonomy of Calif. Plants class, M. G. Simpson, instructor 2000-4-1 5 Riverside Santa Margarita Ecological Reserve. East side of river, 200 m down-river from cement bridge crossing river. 1/10th of a mile south of Northside Field Station. 244 Comment
  UCR22113  Mimulus aurantiacus var. puniceus Steve Boyd 1980-4-8 116 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR91220  Mimulus aurantiacus var. puniceus Scott D. White 1996-3-31 3855 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  POM43889  Mimulus bigelovii var. bigelovii Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  HSC85254  Mimulus brevipes Steve Boyd 1986-4-22 1737 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UC26882  Mimulus brevipes Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  UCR89854  Mimulus brevipes Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3316 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCR30843  Mimulus breweri A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3871 Riverside San Jacinto Mtns, Black Mountain: Forest Road 4S01, 3.9 mi above Hwy 243 2012 Comment
  RSA0048276  Mimulus fremontii Lee Haines 1935-6-30 s.n. Riverside Poppets Valley. Comment
  UCR35245  Mimulus fremontii var. fremontii L. B. Ziegler 1967-6-18 221 Riverside San Jacinto Mtns., SW slope of Thomas Mountain at edge of Cahuilla Valley 1341 Comment
  LA209402  Mimulus guttatus Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  SEINET4678065  Mimulus guttatus T. B. Salvato, Melissa Clemons 2005-6-23 1307 Riverside Peninsular Range; Temescal Valley: Walker Canyon, 1.5 miles due east of Alberhill, North of Hwy I-15 (Lake Elsinore 7.5ft Q); 0 411 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
  UC886215  Mimulus guttatus I. W. Clokey 1935-8-21 6906 Riverside Hemet Lake 1220 Comment
  UCR240618  Mimulus guttatus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 39 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 Comment
  JEPS10766  Mimulus inodorus W. L. Jepson 1903-8-8 2300 Riverside Tauquitz Valley San Jacinto Mt. 2286 Comment
  RSA80472  Mimulus latidens F. W. Peirson 1922-5-19 3043 Riverside Menifee Valley (South of Perris) 427 Comment
  JOTR32389  Mimulus pilosus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2493 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  RSA544419  Mimulus pilosus Steve Boyd, Tim S. Ross 1991-6-14 6387 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UCR167934  Mimulus pilosus T. B. Salvato, Melissa Clemons 2005-6-23 1324 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  JEPS51437  Minuartia douglasii W. L. Jepson 1901-5-27 1477 Riverside hill between Cahuilla and Aguanga 624 Comment
  POM158453  Minuartia douglasii P. A. Munz 1927-5-21 10876 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  UCR119839  Mirabilis albida J. Zabriskie 1978-5-15 1129 Riverside Santa Rosa Mtns, Cactus Spring Trail, west of Horsethief Creek 1128 Comment
  CLARK-A1703-67  Mirabilis bigelovii Donna Lee Hobbs 1962-3-18 3-18- 62 -26 Riverside Whitewater Canyon Comment
  SDSU8463  Mirabilis bigelovii var. retrorsa A. H. Gallup 1949-3-28 362 Riverside Palms to Pines Hwy. above Desert Center [interpreted to be Palm Desert]. On dry slopes, east slope, Colorado Desert drainage area, San Jacinto Mt. Range 762 Comment
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Jan 30 2013
  CLARK-A1528-3278  Mirabilis californica John C. Roos 1966-4-23 Riverside Comment
  UCR133959  Mirabilis californica Mitch Provance, J. S. Ross 1998-3-27 MOR- 981 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  CSUSB572  Mirabilis californica var. californica James K. Ryan 1968-5-10 Riverside 1.5 miles east of UC, Riverside. Comment
  UCR163426  Mirabilis laevis B. G. Pitzer 1998-1-25 3428 Riverside Lakeview Mtns., Warren Road, just below water tank at base of hills, W side of road c. 0.5 mi. NE of Juniper Flat Road 610 Comment
  RSA465234  Mirabilis laevis var. crassifolia Richard C. Barkelew 1929-3-10 s.n. Riverside Indian Canyon , San Jacinto Mts Comment
  RSA465235  Mirabilis laevis var. crassifolia Christopher Davidson 1973-4-1 1797 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  SD187440  Mirabilis laevis var. crassifolia Scott D. White, Angelia Carey 2004-4-16 10179 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  UC465713  Mirabilis laevis var. crassifolia I. J. Condit May 1926 Riverside Rubidoux Comment
  JOTR34029  Mirabilis laevis var. retrorsa La Doux, Tasha, M. Harding 2010-4-7 2916 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
  SBBG1888  Mirabilis multiflora H. and M. Dearing 1940-6-8 4342 Riverside Pinyon Flat Camp, Palms to Pines Hwy Comment
  UCR272307  Mirabilis tenuiloba Duncan S. Bell, Sarah J. De Groot, Cheryl Sevilla 2015-2-10 7744 Riverside Santa Rosa Mountains, a narrow unnamed canyon c. 2 air miles south of La Quinta, and c. 5.25 air miles northeast of th summit of Martinez Mountain 232 Comment
  CLARK-A1528-5739  Mohavea confertiflora John C. Roos 1949-3-5 4096 Riverside Orocopia Mountains Comment
  RSA408767  Mohavea confertiflora W. M. Zabriskie 1973-2-16 115 Riverside Upper Pipistrelle Canyon, Deep Canyon drainage. N slope Santa Rosa Mrns. 762 Comment
  RSA78452  Mohavea confertiflora Verne Grant, Alva Grant 1952-4-1 17517 Riverside 9 miles E of Mecca Comment
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Dec 13 2011
  SFV17538  Mohavea confertiflora J. F. Lockhart 1998-3-14 s. n. Riverside 2.3 miles south of Interstate 10 on Box Canyon Road. Comment
  UCD124029  Mohavea confertiflora C. W. Tilforth 1967-2-12 108 Riverside Painted Canyon, east of Mecca. Colorado Desert. Comment
  UCR51935  Mohavea confertiflora Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2118 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR86859  Mohavea confertiflora A. C. Sanders, K. C. Rose 1995-4-27 16740 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  SEINET13764389  Mohavea confertiflora H. M. Hall 1905-4-16 5778 Riverside Canons near Indio Mt. in the Colorado Desert, lower Sonoran Zone. 150 Comment
  RSA0005449  Monardella hypoleuca subsp. hypoleuca W. P. Armstrong 1987-4-25 1277 Riverside Santa Rosa Plateau--N end of Mesa de Colorado. 183 Comment
  POM192932  Monardella lanceolata var. lanceolata Marcus E. Jones 1929-7-13 s.n. Riverside Temecula Bridge Comment
  LA62723  Monardella linoides subsp. linoides Carl Epling; June 1938 sn Riverside Palms to Pines Highway Comment
  UC63757  Monardella linoides subsp. linoides H. M. Hall June 1901 2137 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain 1524 Comment
  UC1499870  Monardella nana Elizabeth McClintock 1940-7-21 24 Riverside 4 1/2 mi from Pines to Palms Highway on Santa Rosa Mt. road, in canyon where forest begins and stream crosses road Comment
  UC2035997  Monardella nana C. Epling, L. Haines 1937-5-7 Riverside Pinyon Flats Palms to Pines Highway Comment
  LA57197  Monardella nana Carl Epling; K. Simmons 1939-6-12 s.n. Riverside Santa Rosa Mts Comment
  SEINET13948606 Image available Monardella nana J. Derby 1978-1 s.n. Riverside San Jacinto Mts; T6S R4E SEC34. Comment
  SEINET8732855 Image available Monardella nana Helen K. Sharsmith 1954-1 4444 Riverside On Forest Service road to Black Mountain ca. 1 mile from highway. Between Fuller Creek and Idlewild, San Bernardino National Forest. Alt. ca. 6500 ft. 1981 Comment
  UCR221479  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 047 Riverside Peninsular Range; San Jacinto Mtns. Region, [Terwilliger Valley] 5.5 miles from [south of] turnoff to Anza Monument [from modern Hwy 371, toward Coyote Canyon] 1180 Comment
  UCR221483  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 068 Riverside Peninsular Range; Santa Rosa Mtns., 1.5 miles east of Ribbonwood, Pines to Palms Highway 1250 Comment
  RSA750293  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 101 Riverside Black Mt. 2 miles beyond the snow gate. Comment
  UCR260159  Monolepis nuttalliana Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4777 Riverside Eastern Mojave Desert, east side of Arica Mountains, west side of Rice Valley c. 6 air mi southeast of the ghost town of Rice or c. 5.25 air mi east-southeast of Priests Well 211 Comment
  CAS-BOT-BC349705  Monoptilon bellidiforme Ella Dales Cantelow 1941-3-8 3584 Riverside S.E. of Palm Springs Comment
  JOTR34162  Monoptilon bellidiforme Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 119 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Wide sandy canyon wash (Stop 1) 1149 Comment
  CAS-BOT-BC349788  Monoptilon bellioides Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13238 Riverside Highway U. S. 95, 11.3 mi. N of Blythe Comment
  POM363584  Monoptilon bellioides Christopher Davidson 1979-4-4 7712 Riverside Orocopia Mountains; Box Canyon on Box Canyon Road, 13.4 miles E of Mecca 488 Comment
  RSA782086  Monoptilon bellioides Duncan S. Bell 2009-3-7 3 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 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
  UCR139719  Monoptilon bellioides B. G. Pitzer 1989-4-16 1297 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  UCR141143  Monoptilon bellioides June Latting 1973-4-14 s.n. Riverside Sonoran (Colorado) Desert, south entrance to Joshua Tree National [Park] Monument, alluvial slopes south of Cottonwood Mtns. 579 Comment
  UCR50646  Monoptilon bellioides B. A. Prigge 1988-2-21 7843 Riverside Sonoran (Colorado) Desert, Orocopia Mtns. 2 mi west of Clemens Well 229 Comment
  UC852064  Montia fontana P. A. Munz 1922-5-21 5521 Riverside San Jacinto Mountains, Hemet Valley Hemet Valley; San Jacinto Mountains, Hemet Valley 1386 Comment
  SEINET2153727  Montia perfoliata W. H. Whaley 2002-1 s.n. Riverside along Idyllwild road, at mile marker 21, recent burn site, ca 3/4 mile SE of Mt. Oak Boys Ranch. Comment
  UCR132709  Morus alba A. C. Sanders, O. F. Clarke 1991-6-10 11121 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA13775  Muhlenbergia asperifolia L. C. Wheeler 1933-12-2 2313 Riverside U.S. 99, 2 miles NW Whitewater Station 366 Comment
  RSA586811  Muhlenbergia microsperma D. L. Banks, Steve Boyd 1995-5-3 249 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCD86846  Muhlenbergia microsperma F. M. Reed 1920-1-25 4155 Riverside Riverside and Vicinity. Box Springs Mountains. 640 Comment
  JOTR16783  Muhlenbergia porteri Leary, Pat 1975-6-7 1268 Riverside Joshua Tree National Park. QUEEN VALLEY, ONE MILE NORTHWEST OF OPTIMO 1341 Comment
  CAS-BOT-BC274910  Muhlenbergia rigens H. A. Zuill 1966-6-29 266 Riverside Cole Canyon 2 miles SW Murrieta Comment
  UCR176925  Muilla maritima Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 73 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
  UCR110456  Myosurus minimus subsp. apus D. E. Bramlet 1998-4-22 2603 Riverside Perris-Aguanga Basin region, French Valley area, 305m east of Washington Road and 10m north of Rawson Road, 6m west of the San Diego Canal. 447 Comment
  SD105726  Myosurus minimus var. apus T. Cass 1979-6-1 Riverside Vernal pool, Mesa de Burro, Santa Rosa Plateau 680 Comment
  SD9563  Myriopteris viscida C. C. Parry Apr 1876 Riverside San Jacinto Mountains Comment
  UCSB5301  Nama demissa Beeks, Richard 1952-4-4 Riverside 2.15 miles W. of junction of U.S. 60, U.S. 40, and U.S. 195 Comment
  JOTR33994  Nama demissa var. demissa La Doux, Tasha, M. Harding 2010-4-7 2882 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
  JOTR35300  Nama demissa var. demissa Andre, Jim 2012-4-11 20797 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
  GMDRC5513  Nama hispida var. spathulata J. Andre 2012-3-19 21340 Riverside Chuckwalla Valley: along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of Jct with I-10 freeway 157 Comment
  SD239780  Nama hispida var. spathulata David Silverman, Onkar Singh 2010-3-27 7856 Riverside McCoy Wash, N of Palo Verde Mesa, 5.4 km WSW of Mesaville siding, W of A Canal/Levee Blvd, & ca. 7.6 km N of Blythe Airport. 135 Comment
  CLARK-A1528-2983  Nama stenocarpa John C. Roos 1952-5-28 5728 Riverside Perris 426 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
  RSA700860  Nassella cernua Michael Wall 1996-5-8 148 Riverside Van Buren Blvd west of March Air Force Base, 1.5 mi west of Fwy 215, north side of road south side of Salix-filled seasonal drainage. Comment
  CAS-BOT-BC227253  Nassella lepida Scott D. White; Jonathan Campbell 2008-4-18 11898 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area 366 Comment
  CAS-BOT-BC260109  Nassella pulchra S. B. Parish; W. F. Parish 1882-6-1 1550 Riverside Base of San Jacinto Mountain Comment
  UCR116959  Navarretia atractyloides A. C. Sanders, T. B. Salvato 2001-5-3 24110 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR70514  Navarretia fossalis D. E. Bramlet 1991-6-20 2201 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area: c. 8m east of Davis Rd & 150 m north of the San Jacinto River levee. Old river bed beside the channelized area of the river. 475 Comment
  UCR166713  Navarretia hamata Scott D. White, Jennifer H. Jones 2005-5-25 11113 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately N of San Diego County line 579 Comment
  UC23840  Navarretia leptalea subsp. leptalea Miss King Riverside Menifee Comment
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Apr 3 2011
  LA204527  Nemacladus gracilis Carl Epling; Harlan Lewis 1942-6-16 Riverside San Jacinto Mountains, Saunders meadow, Idyllwild Comment
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Jun 12 2015
  UCR86150  Nemacladus longiflorus var. breviflorus A. C. Sanders, M. Skinner 1995-4-6 16395 Riverside Sonoran (Colorado) Desert, NW end of Coachella Valley, wash east of Hwy 62 and south of Indian Avenue; 0.45 mi. south of Indian on Worsley Road 500 Comment
  SBBG125362  Nemacladus longiflorus var. longiflorus C. B. Hardham 1965-6-17 12952 Riverside Chimney Flats Rd, near Alvin Meadow, W of Idyllwild 1463 Comment
  UC597597  Nemacladus longiflorus var. longiflorus Philip A. Munz 1937-5-30 15088 Riverside near Vandeventer Flat; Santa Rosa Mts. 1676 Comment
  UCR114125  Nemacladus orientalis B. G. Pitzer, J. Ross 1998-3-8 3608 .3 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  JEPS5403  Nemacladus pinnatifidus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1271 A Riverside San Jacinto River Comment
  RSA439283  Nemacladus pinnatifidus J. D. Olmsted 1962-5-10 3644 Riverside Crest between Sandia Creek and DeLuz Creek drainages. 259 Comment
  RSA0112640  Nemacladus ramosissimus A. C. Sanders, D. Malueg 2003-5-8 26570 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek. 396 Comment
  SEINET10461125  Nemacladus rubescens Munz 1952-5-2 MUNZ 16249 Riverside 2 miles west of Desert Hot Springs 183 Comment
  JOTR36433  Nemacladus tenuis var. aliformis La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3404 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
  RSA180507  Nemophila menziesii E. W. Lathrop 1959-3-26 4373 Riverside 18 miles W of Elsinore, Tenaja Guard Station, Cleveland National Forest Comment
  UC63798  Nemophila menziesii H. M. Hall 1897-3-20 406 Riverside Temescal Mts. 457 Comment
  UC643397  Nemophila menziesii I. W. Clokey, B. C. Templeton 1930-4-9 4666 Riverside n Banning; n of Banning Comment
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Dec 11 2016
  UCR113165  Nemophila menziesii A. C. Sanders 1998-3-11 21683 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  RSA33602  Nemophila menziesii var. integrifolia N. C. Cooper 1944-5-20 1310 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  RSA654980  Nicotiana attenuata A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22295 Riverside San Jacinto Mtns.: Anza area, 1.1 mi. SE of Hwy 371 on Burnt Valley Rd., at northward bend in road. 1341 Comment
  CSUSB935  Nicotiana bigelovii Kenneth Hibberd 1966-4-10 660410 3 Riverside Arlington Ave., 1 mile east of Victoria St. in the city of Riverside. 304 Comment
  SBBG70581  Nicotiana obtusifolia M. N. Ackley 1927-3-13 969 Riverside Coral Reef Ranch Comment
  UC495142  Nicotiana obtusifolia Philip A. Munz 1932-3-14 12010 Riverside Magnesia Spring Canyon; Coachella Valley 91 Comment
  UCR128939  Nicotiana obtusifolia Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UC489165  Nicotiana quadrivalvis C. V. Meyer Jun 1927 103 Riverside Temecula Comment
  RSA0060150  Nicotiana quadrivalvis Scott D. White 2000-5-1 7741 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  CAS-BOT-BC131881  Nolina parryi C. B. Wolf 1931-5-11 1949 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  POM897  Notholaena californica subsp. californica P. A. Munz 1918-4-27 2167 Riverside Temescal Canyon. Comment
  SEINET8713897 Image available Notholaena parryi Lewis S. Rose 1938-1 38317 Riverside Palm Springs. Alt 500 ft. 152 Comment
  UC26819  Nuttallanthus texanus H. M. Hall 1896-4-1 416 Riverside Winchester Comment
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Mar 20 2011
  UC873908  Oenothera californica subsp. californica P. A. Munz 1922-6-27 5845 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  RSA118388  Oenothera deltoides subsp. deltoides P. A. Munz, David P. Gregory, William M. Klein 1958-4-4 22961 Riverside Sun Tan Motel, 3.5 mi. nw. Indio city limits, on Hwy 70 [Hwy 10]. 30 Comment
  UC20493  Oenothera elata subsp. hirsutissima H. M. Hall Aug. 1901 2639 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along watercourses) 1676 Comment
  JOTR35317  Oenothera primiveris subsp. bufonis Kain, Katie, C. Veety 2012-2-29 s.n. Riverside Joshua Tree National Park. Pinto Wash; eastern Eagle Mountains, large wash south of dunes and north of basalt outcrops 320 Comment
  RSA698037  Olneya tesota J. R. Bruff 1928-12-29 403 Riverside Lone Cottonwood Ranch 2 mi. SE of Dos Palms. Comment
  SD48500  Olneya tesota P. C. Everett, E. K. Balls 1958-5-7 23116 Riverside Highway 195, Mecca to Blythe, entrance to Box Canyon. 198 Comment
  SBBG133378  Oncosiphon piluliferum S. Boyd 2003-4-30 10507 Riverside Mira Loma, along Hwy 60 at onramp from Etiwanda Ave to Hwy 60 westbound Comment
  SEINET7342248 Image available Opuntia Marc Baker 1990-5-20 7838 Riverside Southeast of Bernasconi Hills. 433 Comment
  POM294970  Opuntia echinocarpa David Griffiths 1908-08 s.n. Riverside Banning. Comment
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Mar 21 2011
  SEINET889847  Opuntia parryi Carl B. Wolf 1939-1 3391 Riverside 4/10 miles N. of Aguanga on road to Anza 762 Comment
  RSA285344B  Opuntia phaeacantha Lyman Benson 1955-12-6 15624 Riverside 3 miles east of Cabazon.US 99. Colorado Desert. 457 Comment
  RSA20704  Opuntia polyacantha var. erinacea C. B. Wolf 1938-6-11 9419 Riverside San Jacinto Mountains, Palms to Pines Highway, at Ribbonwood. 1067 Comment
  RSA7224  Opuntia polyacantha var. erinacea B. D. Stark 1932-5-15 3705 Riverside Rocky hills on Palms to Pines Road, San Jacinto Mountains. 1067 Comment
  UC887977  Orobanche bulbosa P. A. Munz and I. M. Johnston 1922-5-19 5330 Riverside 5 mi ne of Murietta 457 Comment
  UCR35210  Orobanche californica subsp. feudgei L. B. Ziegler 1972-6-14 483 Riverside San Jacinto Mtns, Hemet (= Garner) Valley. 1402 Comment
  UC68719  Orobanche cooperi H. M. Hall 1905-5-1 5991 Riverside Colorado Desert near Indio; Colorado Desert 30 Comment
  SDSU581  Orobanche fasciculata H. Wedberg, T. Bruhns 1965-5-23 Riverside On the road from Hemet to Mountain Center and Idyllwild, about 1/4 mi. above the 4000 elev. sign at edge of parking area. 1219 Comment
  RSA0081029  Orobanche fasciculata Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2142 Riverside Santa Rosa Mountains. Comment
  CLARK-A1528-7774  Orthocarpus purpurascens John C. Roos 1940-4-20 896 Riverside Reche Canyon Comment
  RSA525458  Orthocarpus purpurascens Steve D. Boyd, David E. Bramlet 1990-4-29 4503 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  SDSU13836  Osmadenia tenella W. Miller 1972-7-11 Riverside Comment
  POM353442  Oxalis corniculata Katharine Beers 1929-1 s.n. Riverside Murietta Hot Springs. Comment
  CLARK-A1528-3756  Oxytheca emarginata John C. Roos 1941-5-10 126 Riverside San Jacinto Mountains 1219 Comment
  UC284803  Oxytheca trilobata P. A. Munz 1923-6-14 7059 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mts. 1219 Comment
  UC572580  Oxytheca trilobata H. S. Yates 1936-8-29 6375 Riverside 1 mi ne Keen Camp; San Jacinto Quad. 1615 Comment
  UCR162278  Paeonia californica S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  CDA14250  Palafoxia arida G. F. Hrusa, J. A. Hart 1993-4-4 10597 Riverside Cholla Garden, Joshua Tree N.M. Comment
  UCR104807  Palafoxia arida George K. Helmkamp, E. A. Helmkamp 1998-2-18 2711 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  POM248396  Palafoxia arida var. arida Philip Crow 1939-7-18 s.n. Riverside Blythe Comment
  POM363738  Palafoxia arida var. arida Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA747724  Palafoxia arida var. arida Scott D. White, Justin M. Wood 2009-3-24 12577 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
  UCR104022  Palafoxia arida var. arida George K. Helmkamp, E. A. Helmkamp 1998-2-5 2660 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR234807  Palafoxia arida var. arida Jim Andre, Glenn L. Clifton 2011-2-22 17470 Riverside Coachella Valley, just south of Hwy I-10 at Amtrak train station parking , just west of North Indian Canyon Drive 186 Comment
  UCSB9919  Palafoxia arida var. arida Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  CAS-BOT-BC540738  Panicum dichotomiflorum subsp. dichotomiflorum Sarah J. De Groot; Amy Rouillard 2015-9-15 7568 B Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  CAS-BOT-BC253855  Panicum miliaceum Gordon Sun 1916-8-1 s.n. Riverside Top of St. John's Grade Comment
  RSA715088  Panicum urvilleanum Sarah J. De Groot, J. Mark Porter 2006-3-14 5199 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. Stabilized sand dunes several miles downstream from gaging station. 366 Comment
  RSA92743  Papaver californicum J. C. Roos 1952-5-19 5692 Riverside On hills north of Moreno. Comment
Read comments
May 20 2011
  UCR260248  Parietaria hespera A. C. Sanders, Jim Malusa 2015-3-10 41385 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 611 Comment
  RSA448023  Parietaria hespera var. hespera J. Jones, Christopher Davidson 1980-4-4 9942 Riverside West end of the Orocopia Mts. in a small canyon and wash almost due south of Oro Peak. Comment
  JOTR34331  Parkinsonia florida Andre, Jim 2012-4-11 20837 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  RSA0019320  Parkinsonia florida Jim Andre 2012-3-19 21342 Riverside Chuckwalla Valley. Along unnamed dirt road 0.3 mi N of Hwy 177, 5.7 mi NE of Jct with I-10 freeway. 157 Comment
  SBBG68551  Parkinsonia florida H. and M. Dearing 1930-4-14 Riverside between Salton Sea and Palm Springs Comment
  RSA667027  Paspalum distichum A. C. Sanders, Mitch Provance 1999-9-26 23090 Riverside Lake Hemet, north shore at FS day use area 1323 Comment
  UCR34953  Pectis papposa L. B. Ziegler 1964-9-2 035 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  CAS-BOT-BC355868  Pectis papposa var. papposa C. F. Saunders 1913-6-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  JOTR35990  Pectis papposa var. papposa Harding, Mitzi, Mark Wheeler 2012-9-4 201 Riverside Joshua Tree National Park. Pinto Wells; large, active wash west of road leading to weather station (stop 4) 262 Comment
  RSA747768  Pectocarya heterocarpa Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12592 Riverside Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  RSA800116  Pectocarya heterocarpa Duncan S. Bell 2013-4-7 4757 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  SD236233  Pectocarya linearis John F. Green 2006-4-25 Riverside Peninsular Ranges; Foothills of Santa Ana Mountains / Santa Rosa Plateau; Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and la Serena Way; E of Veterans park (Bachelor Mtn 7.5'Q) 366 Comment
  UCR107406  Pectocarya linearis B. G. Pitzer 1997-3-23 2991 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UC50359  Pectocarya linearis subsp. ferocula H. M. Hall Apr. 1903 3725 Riverside Vicinity of Riverside; in the Sonoran Zone 365 Comment
  POM146227  Pectocarya penicillata F. M. Reed 1925-5-23 5031 Riverside Horsethief Canyon, Temescal Mountains. Comment
  UCSB46750  Pectocarya penicillata Roos, John 1966-4-5 Riverside In the hills near Winchester Comment
  OBI38358  Pectocarya peninsularis A. C. Sanders, B. Pitzer, & D. Charlton, D. Charlton 1986-3-1 6017 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff rd from Hayfield rd to the dirt rd to the Colorado River Aqueduct (T5S, R13E, SW 1/4 sec 30) 427 Comment
  RSA346616  Pectocarya peninsularis R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54034 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  RSA678271  Pectocarya peninsularis Valerie Soza, J. M. Porter, Gary D. Wallace 2001-4-2 1081 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  UCR211817  Pectocarya peninsularis Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1081 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  UC1922397  Pectocarya platycarpa Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1429 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  SEINET3105402  Pectocarya recurvata Faulkner 1978-3-15 277 Riverside 1 mile West Hwy 95; 25 miles N. of Blythe. 152 Comment
  UCR85238  Pectocarya recurvata A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, C. L. Sanders 1995-3-5 16000 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
  UCR88559  Pectocarya recurvata A. C. Sanders 1995-4-13 16505 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
  SDSU13974  Pedicularis densiflora Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2105 Riverside Just north of El Valle meadow. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  SD234418  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Upper Santa Ana River Basin/San Bernardino Valley: Riverside, residence at 1009 Bascomb Drive (Riverside East 7.5' Q) 305 Comment
  RSA0099307  Pelargonium grossularioides A. C. Sanders 2016-6-26 42518 Riverside Peninsular Range: Riverside, UCR Botanic Garden, at west edge of the herb garden. 363 Comment
  CAS-BOT-BC71398  Pellaea mucronata Lewis S. Rose 1966-12-14 66108 Riverside Chino Canyon, 3 mi. W. of Palm Springs 670 Comment
  SD80148  Pellaea mucronata Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 362 Riverside North slope of Santa Rosa Mountains; Deep Canyon, south of Highway 74, ca. 2 miles up water service road 1310 Comment
  SDSU3609  Pellaea mucronata var. mucronata James C. Dice, Tu Chung 1987-10-19 739 Riverside At head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita River, ca. 0.4 km ENE of Field Station side and just ENE of weather station. T8S, R3W, NW 1/4 of NW1/4 of section 26. 329 Comment
  RSA0096813  Pennisetum setaceum Duncan S. Bell, Joy England 2015-4-14 8055 Riverside North side of the San Jacinto Mountains; at the mouth of Snow Canyon, approximately 0.5 air mile northeast of the community of Snow Creek. 361 Comment
  SD233251  Pennisetum setaceum Duncan S. Bell, John Anderson & Keir Morse 2012-11-11 4380 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills: upper branch of Hidden Spring Canyon, approx. 0.6 air mile SE of Hidden Spring and 0.6 air mile S of The Grotto. 249 Comment
  SEINET5796827 Image available Penstemon antirrhinoides I. W. Clokey, E. G. Anderson 1936-1 6885 Riverside East of Hemet along San Jacinto River 600 Comment
  RSA300468  Penstemon californicus Walter Wisura 1982-6-5 3831 Riverside Near SE base of Pyramid Peak along Pacific Crest Trail 2073 Comment
  NY583821  Penstemon centranthifolius R. M. Straw 1953-6-5 446 Riverside 0.2 mile west of Palms to Pines Highway on road to Anza Comment
  RSA249834  Penstemon centranthifolius Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38095 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
  UCR35260  Penstemon centranthifolius L. B. Ziegler 1967-6-1 148 Riverside San Jacinto Mountains, Hemet Valley, near Hemet Lake. 1341 Comment
  UCR110969  Penstemon clevelandii George K. Helmkamp 1998-6-27 4105 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  JEPS7536  Penstemon eatonii var. undosus W. L. Jepson 1914-5-18 6007 Riverside n Indio (Pinon Well grade summit, betw. Pinon Well and County Well); Colorado Desert, summit Pinon Well grade, n of Indio Comment
  SD229289  Penstemon grinnellii var. grinnellii Dick Schwenkmeyer 2012-6-27 756 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  RSA627517  Penstemon rostriflorus Scott D. White 1998-7-31 6929 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  SEINET10443478 Image available Penstemon spectabilis var. subviscosus Marc A. Baker, Cecile Shohet & Melissa Fowler 2015-4-17 18328 .1 Riverside south end of Banning Bench.2.4km NW of central Banning, 51km east of central Riverside, 912 Comment
  UC489038  Pentachaeta aurea C. V. Meyer Jun 1927 184 Riverside Saunders Meadow San Jacinto Mts. 1676 Comment
  SD224780  Pentagramma triangularis Scott D. White 1996-3-23 3843 Riverside Santa Rosa Hills, SE of Hemet (Loomis property: Friendly Hills Ranch) 594 Comment
  CAS-BOT-BC71576  Pentagramma triangularis subsp. maxonii Lewis S. Rose 1945-12-28 45339 Riverside Tahquitz Canyon, Palm Springs 213 Comment
  CAS-BOT-BC77475  Peritoma arborea var. angustata Roxana S. Ferris 1918-6-14 990 Riverside At Shavers Well in Box Canyon, Chocolate Mts. Comment
  CAS-BOT-BC77496  Peritoma arborea var. angustata Roxana S. Ferris 1918-6-14 990 Riverside At Shavers Well in Box Canyon, Chocolate Mts. Comment
  CAS-BOT-BC355916  Perityle W. C. Gagne 1968-3-16 s.n. Riverside Wash in Deep Canyon, Boyd Desert Res. Center in Palm Desert Comment
  JOTR34384  Perityle emoryi Andre, Jim 2012-4-16 20907 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  JOTR35061  Perityle emoryi La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3513 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  JOTR35343  Perityle emoryi Harding, Mitzi, Mark Wheeler 2012-2-28 110 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; steep-walled, shallow, north-flowing canyon with rocky wash bottom (Stop 4) 361 Comment
  POM41473  Perityle emoryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA554429  Perityle emoryi Theo Glenn 1991-5-30 91 -116 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
  RSA779728  Perityle emoryi Duncan S. Bell 2009-3-8 96 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  SD144022  Perityle emoryi G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2717 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Chuckwalla Rd. on Graham Pass Rd. Comment
  UCR279475  Perityle emoryi A. C. Sanders, Jim Malusa 2017-3-29 43190 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  CLARK-A1045-877  Petalonyx linearis George K. Helmkamp 1977-3-20 Riverside Deep Canyon UCR Boyd Deep Canyon Reserve; sandy bottom of dry wash; ; ; Palm Desert 15'Q 304 Comment
  UCR19121  Petalonyx linearis John C. Roos, Lucille Roos 1949-4-6 4143 Riverside Sonoran (Colorado) Desert, Canyon in the Orocopia Mountains, 2.5 mi. NE of Dos Palmas Spring 152 Comment
  UC575069  Petalonyx thurberi subsp. thurberi C. Epling and Wm. Robison 1933-6-26 Riverside basin 5 mi. s. Horse Wells; Little San Bernardino Mts. Comment
  CAS-BOT-BC326842  Peucephyllum schottii H. M. Hall; L. A. Greata 1905-4-1 5849 Riverside Near Dos Palms [Dos Palmas], Colorado Desert Comment
  UCR218316  Peucephyllum schottii Jim Andre, T. La Doux 2009-3-10 11248 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
  UCR279243  Peucephyllum schottii A. C. Sanders, Jim Malusa 2017-1-14 42656 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
  UCR41808  Peucephyllum schottii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6062 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  CAS-BOT-BC6766  Phaca arenicola Samuel Bonsal Parish 1913-2-28 8467 Riverside Mecca. Salton Basin -60 Comment
  UCD166239  Phacelia Jack Major 1962-4-16 774 -bd Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  NY1058212  Phacelia ambigua N. H. Holmgren 1973-3-21 6429 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 290 Comment
  RSA425999  Phacelia ambigua Robert Gustafson 1982-5-19 2562 Riverside Pines to Palms Hwy. (Hwy. 74), between 7-level Hill and Black Hill. Comment
  SEINET3004981  Phacelia ambigua G. Rink, M. Baker 2011-4-1 10408 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  RSA525262  Phacelia brachyloba Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4575 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  RSA586315  Phacelia brachyloba D. L. Banks, Steve Boyd 1995-5-3 226 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
  RSA613905  Phacelia brachyloba A. C. Sanders, P. Mackay, Tim C. Thomas, O. F. Clarke 1997-5-4 20648 Riverside San Jacinto Mountains north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740. Comment
  RSA771630  Phacelia campanularia subsp. campanularia Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4992 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  SBBG46039  Phacelia campanularia subsp. campanularia C. F. Shutts 1949-3-19 61 Riverside Cottonwood Pass, Joshua Tree Nat Monument 304 Comment
  CHSC111045  Phacelia cicutaria var. hispida L. M. Prince; Duncan S. Bell 2009-6-17 580 Riverside Cleveland National Forest. Comment
  HSC87131  Phacelia crenulata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2101 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  UCR148050  Phacelia crenulata Steve Boyd, Et al. 2004-5-14 11248 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCSC001204  Phacelia crenulata Peter Kamb 1948-4-11 863 Riverside Aqueduct Road 5 mi east of Garnet Garnet - Coachella Valley, Larrea plain 305 Comment
  CAS-BOT-BC133966  Phacelia crenulata var. ambigua F. O. Ballou 1926-2-27 s.n. Riverside Painted Canon Comment
  JEPS4095  Phacelia crenulata var. ambigua Rimo Bacigalupi and J. F. MacBride 1952-4-1 3598 Riverside alluvial slopes 3 1/2 mi e Coachella Comment
  RSA0110949  Phacelia crenulata var. ambigua Michael Honer, L. Hulse 2004-4-2 1872 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  JOTR16718  Phacelia crenulata var. crenulata Baker, James K. & Baker, Ilisa T. 1966-6-1 s.n. Riverside Joshua Tree National Park. PINTO WYE MAINTENANCE AREA AT GATE Comment
  SDSU6595  Phacelia crenulata var. minutiflora Joanie M. Wojtan, Bio 596 class. 1992-4-5 5 IV92B Riverside Collected next to Box Canyon Road, ca. 6.7 northeast of Hwy. 111. 480 Comment
  UC1595792  Phacelia crenulata var. minutiflora W. Wisura, J. Dolan, M. Wall 1992-3-25 4647 Riverside n I-10; Lowdesert, Ford Dry Lake, Hopkins Well Comment
  JOTR35475  Phacelia cryptantha Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-26 78 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1389 Comment
  CHSC713  Phacelia distans V. Holt 1942-3-20 Riverside Desert Center. Comment
  JEPS2379  Phacelia distans Dr. L. M. Newlon 1922-4-3 437 Riverside Andreas Canyon San Jacinto Mts. Comment
  RSA0069666  Phacelia distans Cheryl Sevilla, Sarah J. De Groot 2015-2-18 12 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 783 Comment
  RSA650565  Phacelia distans Marion P. Harthill 1971-3-19 21 Riverside Palm Desert. Comment
  RSA775386  Phacelia distans Duncan S. Bell 2011-4-10 2244 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  SFV21962  Phacelia distans J. N. Hogue 2011-3-27 376 .4 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash at Corn Springs. 490 Comment
  UCR180601  Phacelia distans Scott D. White, Angelia Carey 2004-4-5 10016 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR279474  Phacelia distans A. C. Sanders, Jim Malusa 2017-3-29 43191 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCR91406  Phacelia distans Scott D. White 1995-4-5 2721 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UC1979608  Phacelia imbricata subsp. patula D. L. Banks, Victor Steinmann 1995-7-10 0742 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. Comment
  JEPS2139  Phacelia lemmonii Marjorie D. Clary 1932-7-4 984 Riverside 3 mi e Vandeventer Flats; Santa Rosa Mts. 1371 Comment
  CLARK-A1528-562  Phacelia minor 1947-3-21 5 Riverside Rubidoux 365 Comment
  JEPS14382  Phacelia minor Rimo Bacigalupi with Gene Newcomb 1954-4-25 4397 Riverside along State Hwy 79 about 3/4 mi s Sage (close to summit of grade); St. Johns Grade 731 Comment
  RSA428088  Phacelia minor N. C. Cooper 1944-6-24 2020 Riverside Elsinore Mtns, Riverside county. Alt 3500ft. 1067 Comment
  RSA586128  Phacelia minor D. L. Banks 1995-4-11 171 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 Dripping Springs Trail. 951 Comment
  UCR18438  Phacelia pedicellata J. Olmstead 1966-4-8 s.n. Riverside Santa Rosa Mtns., Deep Canyon Reserve, Pipestrelle Canyon, near Boyd Center. 366 Comment
  POM3783  Phacelia tanacetifolia I. M. Johnston 1918-4-27 s.n. Riverside Near Corona. 274 Comment
  UC1040771  Phalaris aquatica L. Reese 1956-5-29 10 Riverside San Jacinto Valley 475 Comment
  POM14419  Phalaris lemmonii P. A. Munz, I. M. Johnston 1922-5-18 5374 Riverside Menifee Valley Comment
  UCR19277  Phalaris paradoxa John C. Roos 1952-5-21 5702 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1.5 mi. SE of Perris. 427 Comment
  UCR88175  Phalaris paradoxa Karen Kirtland 1992-5-25 s.n. Riverside San Jacinto River between Nuevo Road and San Jacinto Avenue. 427 Comment
  JOTR32532C  Phoenix dactylifera La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2540 Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  CAS-BOT-BC219550  Pholisma arenarium Carl B. Wolf 1932-4-29 3120 Riverside Eastern Colorado Desert. 3 mi. So. of Rice on Blythe Road 213 Comment
  RSA709638  Pholistoma auritum A. C. Sanders, Guy Bruyea 2004-4-2 27444 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR263480  Pholistoma membranaceum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41484 Riverside San Gorgonio Pass, 3.15 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 449 Comment
  SBBG61544  Phoradendron bolleanum R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns Comment
  UCR22085  Phoradendron densum Steve Boyd 1980-5-3 184 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  SD152733  Phoradendron macrophyllum Steve Boyd 1992-2-26 6689 Riverside Santa Ana Mountains, San Mateo Cyn. Wilderness area. San Mateo Cyn from Fisherman's Camp downstream to confluence with Bluewater Cyn. 305 Comment
  UC1078929  Phoradendron villosum Job Kuijt 1958-3-14 1494 Riverside 12.4 mi. s. Palm Desert 1066 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
  JEPS8984  Physalis crassifolia John Thomas Howell 1928-1-29 3297 Riverside Painted Canyon; Colorado Desert Comment
  RSA423813  Physalis crassifolia N. C. Cooper 1944-4-8 1059 Riverside Andreas Canyon. 305 Comment
  RSA644212  Physalis crassifolia Victor W. Steinmann 1999-10-26 1414 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  SBBG29194  Physalis crassifolia K. K. Muller 1967-9-14 1421 Riverside 5 mi E of Indio Comment
  JEPS46918  Pinus attenuata Carl V. Meyer 1929-11-29 Riverside 250 yd e Keen Camp Ranger sta. Comment
Read comments
Mar 27 2014
  CLARK-A1656-883  Pinus flexilis Jim Cornett 1977-10-7 Riverside San Jacinto Mountains 2590 Comment
  RSA384341  Pinus jeffreyi M. B. Dunkle 1933-7-21 3734 Riverside Idyllwild 1616 Comment
  UCR101800  Piptatherum miliaceum George K. Helmkamp, E. A. Helmkamp 1998-8-17 4445 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  SEINET242060  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2001-3-30 23859 Riverside Perris-Aguanga Basin region: Temecula, Long Canyn W of Del Rey Rd, along bottom of canyn W of jnxn of Av. Pina Colada 366 Comment
  SEINET272294  Plagiobothrys canescens A. C. Sanders 1997-3-1 19730 Riverside Box Springs Mins: Pigeon Pass cyn below Regulus Rd 0.6 mi W of Pigeon Pass Rd. 0.4 mi E of Bench Mark Table. UTM 10km 610 Comment
  UCR281250  Plagiobothrys canescens Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 36 Riverside Perris-Aguanga Basin, Menifee, SE corner of Musick Rd. and Murrieta Rd. 454 Comment
  UCR44159  Plagiobothrys canescens A. C. Sanders 1986-6-1 6566 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  UCSB45601  Plagiobothrys canescens Roos, John 1952-4-16 Riverside Pigeon Pass, Box Springs Mts. 396 Comment
  UCR116466  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2001-3-30 23863 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR120650  Plagiobothrys collinus D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1791 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  POM368895  Plagiobothrys collinus var. californicus D. A. Young 1969-3-28 P- 366 Riverside 1/2 Mile NE of interstate 10 on Verbenia Ave. 100 yds S of Chaparral Rd on the SW side of Verbenia Ave. 335 Comment
  RSA645676  Plagiobothrys collinus var. californicus Scott D. White 1999-5-2 7294 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
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Nov 7 2013
  RSA708570  Plagiobothrys collinus var. fulvescens Scott D. White, B. Leatherman, James Huelsman 2005-2-14 10787 Riverside Santa Rosa Plateau area, northwest of Squaw Mtn. Terminus of Via Ranchero at San Diego County line. 823 Comment
  UCR157464  Plagiobothrys collinus var. fulvescens A. C. Sanders 1994-5-30 14614 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA741372  Plagiobothrys collinus var. ursinus Scott D. White, Justin M. Wood 2008-5-15 11982 Riverside Johnson Meadow. 1415 Comment
  SEINET4568272 Image available Plagiobothrys jonesii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4597 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR22131B  Plagiobothrys tenellus Steve Boyd 1980-5-3 171 B Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  RSA234043  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop 1969-5-19 37972 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  POM18171  Plantago bigelovii subsp. californica H. Baer 1922-4-1 s.n. Riverside Elsinore. Comment
  CAS-BOT-BC226238  Plantago erecta A. C. Sanders 2011-4-7 39035 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake, near canyon crossing at Glen Eden 384 Comment
  RSA401991B  Plantago erecta Bonnie C. Templeton, I. W. Clokey 1930-4-9 1021 Riverside North of Banning. Colorado Desert. 500 Comment
  UCR113136  Plantago erecta A. C. Sanders 1998-3-11 21674 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  RSA335010  Plantago lanceolata Steve Boyd 1985-7-23 1000 Riverside 5 miles west of Rancho California at junction of Rancho California Road and De Luz Road. 427 Comment
  RSA502521  Plantago major Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3576 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  JEPS22513  Plantago ovata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6196 Riverside 9.4 mi n Blythe (at w base of Big Maria Mts.); Big Maria Mts. 167 Comment
  JEPS24430  Plantago ovata Peter M. Ray 1949-3-6 1326 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  RSA776013  Plantago ovata Duncan S. Bell 2010-3-20 615 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCD124533  Plantago ovata var. fastigiata Francis M. Ball 1964-2-15 66 -22 Riverside At 1000 Palms. Comment
  RSA757782  Plantago patagonica LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4305 Riverside 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
  RSA773178  Plantago patagonica Duncan S. Bell, Joy D. England 2010-5-27 1128 Riverside San Bernardino National Forest: Garner Valley, just south of junction of forest service road 6S04 and forest service road 6S13. 1340 Comment
  UC1931135  Plantago patagonica Scott D. White, Justin Wood 2008-6-17 12193 Riverside San Jacinto Mountains: Morris Ranch road - open area west of Goff Flat (Palm View Peak) Comment
  UCR250314  Plantago subnuda A. C. Sanders 2014-4-16 41016 Riverside Peninsular Range, Temescal Valley, Campbell Ranch Rd. between Indian Truck Trail and Temescal Canyon Rd., south of Sycamore Creek Fire Station 372 Comment
  UC489274  Platanthera leucostachys C. V. Meyer 1928-7-24 517 Riverside Idyllwild Falls San Jacinto Mts., Idyllwild Falls 1920 Comment
  SEINET6084766  Platanus racemosa Unknown 2007-6-22 Riverside SE of Hemet, Bautista Canyon. Ca 4 road mi SE of jct. of Bautista Canyon Road and Fairview Ave. Comment
  LA206261  Platystemon californicus K. Kinsel; 1930-4-17 sn Riverside near Perris Comment
  SBBG101726  Platystemon californicus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6071 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
  SD181427  Platystemon californicus Scott D. White, Bill La Haye 2000-5-27 7946 Riverside San Jacinto Mountains; Baldy Mountain area. 1616 Comment
  UC146755  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UCR213539  Platystemon californicus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37834 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
  CDA34943  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -365 Riverside City of Temecula, Vine Street at Peach Tree Street. Comment
  UCR222660  Plecostachys serpyllifolia R. E. Riefner Jr. 2008-12-16 08- 369 Riverside Peninsular Range, city of Temecula, Pechanga Parkway at Pechanga Resort Dr. 338 Comment
  POM13460  Plectritis ciliosa subsp. insignis Philip A. Munz, I. M. Johnston 1922-5-19 5389 Riverside Keen Camp, San Jacinto Mountains. 1463 Comment
  SEINET3817958 Image available Plectritis macrocera Marcus E. Jones 1882-4-24 3167 Riverside San Jacinto Comment
  RSA91979  Pleuraphis rigida F. W. Peirson 1921-3-22 2369 Riverside Murray Canyon, near Palm Springs 396 Comment
  CLARK-A1045-141  Pleurocoronis pluriseta George K. Helmkamp 1977-3-20 Riverside Deep Canyon rocky wall; Palm Desert 15'Q Comment
  SD40731  Pleurocoronis pluriseta B. D. Stark 1933-5-13 4983 Riverside Andreas Canyon 760 Comment
  SDSU13611  Pluchea odorata W. Miller, C. Mosse 1972-7-19 Riverside Comment
  CLARK-A1656-604  Pluchea sericea Jim Cornett 1977-7-10 Riverside Thousand Palms Canyon 137 Comment
  RSA33344  Pluchea sericea Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  RSA786234  Pluchea sericea C. P. Cowan 1978-4-24 1246 Riverside 2.5 mi (4 km) from Ave 84, jct of Johnson Road and Ave. 81, near Hwy 86. Whittaker transect #W-223. Comment
  UC35678  Pluchea sericea H. M. Hall 1901-6-1 Riverside near Palm Canyon Comment
  UC485232  Pluchea sericea unknown May 1 1906-May 10 1906 1010 -6754 Riverside Palm Springs Colorado Desert Comment
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Apr 17 2011
  UC63113  Pluchea sericea H. M. Hall May 17 1901-Jun 1 1901 Riverside San Jacinto River Canyon 762 Comment
  UC39534  Poa annua H. M. Hall May 1898 1172 Riverside El Toro Mt; San Jacinto Mts 2133 Comment
  CHSC102091  Poa secunda Scott D. White; Michael Honer 2003-4-25 9122 Riverside SAN BERNADINO MTNS.: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 641 Comment
  RSA502899  Poa secunda Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  CAS-BOT-BC167526  Polygala acanthoclada Annie M. Alexander; Louise Kellogg 1941-5-9 2139 Riverside 1.5 miles north of Cottonwood Spring, Eagle Mountains 975 Comment
  RSA596151  Polygala cornuta var. fishiae D. L. Banks 1996-11-7 1188 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation., Approximately 200 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 457 Comment
  UCR19206  Polygala cornuta var. fishiae John C. Roos 1960-5-30 s.n. Riverside Peninsular Range/Santa Ana Mtns., ridge east of Sugarloaf [=Pleasants Peak] 1067 Comment
  UCR278901  Polygonum hydropiperoides Mitch Provance 2012-11-10 17604 Riverside San Bernardino Valley, Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  RSA602394  Polygonum ramosissimum Louis C. Wheeler 1955-6-10 7152 Riverside 3.5 miles NNE of Palo Verde: Ave 32 and Rannells Blvd. Comment
  SEINET4058579  Polypogon monspeliensis O. M. Clark 1936-1 7577 Riverside San Jacinto Creek, San Jacinto Mountains. Comment
  SEINET10793989  Polystichum imbricans subsp. curtum George Yatskievych, Kay McCrary 1984-7-30 Yatskievych 84 -119a Riverside 0.6 mile S of Fuller Mill Creek Picnic Grounds on state Route 243; granitic side ravine of North Fork of San Jacinto River. T04S R02E S26 NE4. 1676 Comment
  CAS-BOT-BC102592  Populus fremontii David B. Dunn; A. Folsom 1948-6-17 3812 Riverside By quad one. At camp in Pushawalla Canyon Comment
  CAS-BOT-BC356168  Porophyllum gracile W. L. Jepson 1912-10-22 5242 Riverside Riverside Mts. 137 Comment
  RSA472194  Porophyllum gracile Christopher Davidson, Jones 1980-4-4 9955 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  RSA494350  Porophyllum gracile Bill Wagner 1988-4-5 s.n. Riverside Approx. 1.5 miles NW of the community of Murrieta. South side of I-15 Fwy at the junction of Nutmeg Rd. 381 Comment
  UC667273  Porophyllum gracile Annie M. Alexander and Louise Kellogg 1941-5-9 2141 Riverside Cottonwood Spring Eagle Mountains 883 Comment
  CAS-BOT-BC233729  Portulaca halimoides John Roos; Lucille Roos 1952-10-18 5900 Riverside Hidden Valley Campground, Little San Bernardino Mts. 1219 Comment
  CAS-BOT-BC453922  Potamogeton pectinatus Lathrop; Thorne 1967-9-26 6623 Riverside 6 mi. NW of Murrieta Comment
  POM348749  Prosopis glandulosa var. torreyana Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea. Comment
  RSA786235  Prunus fremontii C. P. Cowan 1978-4-23 1222 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  CLARK-A1528-4034  Prunus ilicifolia John C. Roos 1940-5-4 Riverside San Timoteo Canyon Comment
  CAS-BOT-BC356344  Psathyrotes ramosissima G. Helmkamp; E. Helmkamp 1998-1-17 2534 Riverside Box Canyon northeast of Mecca and 3.5 miles south of Shaver's Well 243 Comment
  SBBG8677  Psathyrotes ramosissima H. and M. Dearing 1939-11-11 4028 Riverside E of Palm Springs Comment
  SD136918  Pseudognaphalium leucocephalum Steve Boyd 1994-10-14 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area of the Cleveland National Forest. 305 Comment
  JOTR30281  Pseudognaphalium luteoalbum La Doux, Tasha, Alice Miller 2007-5-31 1777 Riverside Joshua Tree National Park. Stop 2: Cottonwood Springs/Oasis; in wet soil at oasis. 893 Comment
  UCR270708  Pseudognaphalium microcephalum John F. Emmel 1998-8-9 1584 Riverside San Jacinto Mountains, foothills at southwest edge of the mountains, Bautista Canyon, 0.4-0.5 road mile southeast of national forest boundary 723 Comment
  CHSC26039  Pseudognaphalium thermale Wesley Griesel 1962-9-18 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  JEPS48288  Pseudotsuga macrocarpa W. L. Jepson 1903-8-4 2279 Riverside Spruce Canon Southern California, San Jacinto Mt., Spruce Canon 1341 Comment
  UCR220340  Psilocarphus brevissimus D. E. Bramlet 1991-5-7 2123 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
  RSA562492  Psilocarphus tenellus Steve Boyd, Timothy S. Ross 1992-5-5 7244 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  POM259739  Psilostrophe cooperi E. C. Jaeger 1939-12-16 s.n. Riverside Chuckawalla Springs 183 Comment
  CLARK-A1528-5673  Psoralea physodes John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1219 Comment
  CAS-BOT-BC346361  Psorothamnus Marcus E. A M Jones 1906-4-19 s.n. Riverside Cholla Ranch 609 Comment
  UC81886  Psorothamnus emoryi S. B. and W. F. Parish Apr 1882 93 Riverside Agua Caliente Comment
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Jul 12 2010
  RSA0127784  Psorothamnus emoryi G. Rink 2013-3-29 11920 Riverside About ten miles west of Blythe, along the T-line for the proposed Quartzite solar power plant. 110 Comment
  CHSC849  Psorothamnus schottii V. Holt 1942-3-29 Riverside Indio. -6 Comment
  RSA404247  Psorothamnus schottii A. Menke 1955-4-26 s.n. Riverside 3 mi. E of Shavers Well. Comment
  UC998912  Psorothamnus schottii H. J. Fuller 1942-4-18 Riverside near Mecca (Mojave Desert); , near Mecca Comment
  UCR268638  Psorothamnus schottii Jim Andre 2012-4-11 20847 Riverside Mojave Desert, Orocopia Mountains, north end of range, along dirt road 2.8 mi due south of Hwy I-10 at Box Canyon Road/Cottonwood Road exit 624 Comment
  CAS-BOT-BC340950  Psorothamnus spinosus S. B. Parish 1912-6-28 8107 Riverside Painted Canon [Canyon] near Mecca Comment
  SD224975  Psorothamnus spinosus A. C. Sanders 1995-5-23 17119 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., near the mouth of Martinez Cyn., at end of 72nd Ave. 22 Comment
  RSA575917  Pteridium aquilinum var. pubescens Steve Boyd 1994-10-14 8376 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon, Fisherman's Camp. 341 Comment
  CAS-BOT-BC421263  Pterostegia drymarioides H. M. Hall 1901-6-1 2080 Riverside San Jacinto Mountains. South slopes in the vicinity of Chalk Hill 1402 Comment
  RSA343093  Pterostegia drymarioides Robert F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60621 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  RSA567986  Pterostegia drymarioides Karin Cleary 1992-4-6 111 Riverside Near top of ridge W of California St, Hemet. 610 Comment
  RSA612497  Pterostegia drymarioides D. L. Banks 1997-2-23 1320 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
  UC511836  Purshia tridentata var. glandulosa Frank W. Peirson 1933-4-13 10645 Riverside road from Deep Canyon to Idyllwild 1524 Comment
  UCD47066  Quercus X munzii Mary L. Bowerman 1946-4-15 4100 Riverside Joshua Tree National Monument, Live Oak Tank (ca. 3 mi. W. of junction of Keyes Point and Pinto Basin highway), on sandy floor of wash. Comment
  SD137747  Quercus agrifolia Darin L. Banks, Steve Boyd 1995-10-26 833 Riverside Agua Tibia Wilderness Area, along the Woodchuck Trail, south of the first grassland. 712 Comment
  RSA575900  Quercus berberidifolia Steve Boyd 1994-10-14 8398 Riverside San Mateo Canyon Widerness Area of the Cleveland Nat'l Forest. San Mateo Canyon along San Mateo Trail between N branch of Tenaja Trail and Fishermans Camp. 427 Comment
  SD186231  Quercus berberidifolia A. C. Sanders, T. B. Salvato 2004-2-16 27392 Riverside Foothills at edge of Temescal Valley, south of Brown Canyon. 451 Comment
  UCD59759  Quercus berberidifolia A. C. Sanders 2004-4-20 27523 Riverside Santa Ana Mtns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego county line. 640 Comment
  UCR250920  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 4 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  UCR260589  Quercus berberidifolia A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41558 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Canyon NW of Horsethief Canyon Rd. along DePalma Rd., SE of Glen Eden Rd. and south of the east end of Lee (Corona) Lake, south side of I-15 370 Comment
  UCR264650  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812- 33 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  RSA155  Quercus chrysolepis J. T. Howell 1927-8-2 575 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  UC5523  Quercus chrysolepis H. M. Hall 1901-6 Riverside near Tauquitz; San Jacinto Mountains 2133 Comment
  UCR178147  Quercus chrysolepis Tracy Tennant 1998-3-10 MOR- 1111 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, low hills on the south side of Wood Canyon near its mouth, tree stand W-5 1280 Comment
  UCD45609  Quercus cornelius-mulleri Alan D. Eliason; James R. Youse 1966-1-17 s.n. Riverside Live Oak Tank, Joshua Tree National Monument, in Riverside County, California. Comment
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Nov 6 2011
  UCD45615  Quercus cornelius-mulleri Mary L. Bowernan 1946-4-15 4101 Riverside Joshua Tree National Monument, Live Oak Tank (3 mi. W. of junction of Keyes Point and Pinto Basin Highway), adjacent to wash (20 feet from #4100, an aberrant oak tree). Comment
  UCR186853  Quercus cornelius-mulleri Naomi Fraga, T. Thibault 2006-5-16 1670 Riverside San Jacinto Mountains, Peninsular Ranges; c. 2.5 mi. up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat 1585 Comment
  UCR54430  Quercus cornelius-mulleri A. C. Sanders, E. J. Lawlor 1988-10-22 8720 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  RSA495799  Quercus dumosa Steve Boyd, T. S. Ross, L. Arnseth 1989-3-11 2908 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  SEINET2066424 Image available Quercus dumosa David Charlton 1988-5-21 1914 Riverside Thomas Mtn.,Road, from N to S, W of Garner Valley and S of Lake Hemet on Hwy 74. 1676 Comment
  CDA29916  Quercus engelmannii Mike Lahti 2009-10-2 PDR# 1501841 Riverside Southwest of Temecula. 0 Comment
  UC5842  Quercus engelmannii Samuel B. Parish 1891-11-3 2257 Riverside near Murietta Comment
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Jul 15 2009
  RSA654797  Quercus ilex A. C. Sanders 1997-5-12 20711 Riverside Riverside: east side of UCR campus along wash below Botanical Garden, near parking lot 13. 335 Comment
  UCSB1229  Quercus palmeri Haller, John 1960-5-15 Riverside Vandeventer Flat, 3.3 mi. E of the junc. of the road to Anza on Calif. 74 1371 Comment
  SDSU21246  Quercus turbinella S. H. Bullock 1972-5-25 273 Riverside Riverside County Hwy 74. Pinyon flat. 1227 Comment
  RSA520082  Quercus wislizeni var. frutescens Steve Boyd, D. Bramlet 1988-10-8 2868 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  JOTR35474  Rafinesquia californica Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 77 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats Comment
  UCR46703  Rafinesquia californica D. C. Hawks, Guy Bruyea 1987-4-14 s.n. Riverside Gavilan Hills, on Juniper Rd, 1 mi north of intersection between Juniper and Idaleona Rds 640 Comment
  RSA0108819  Rafinesquia neomexicana Duncan S. Bell, Amanda Turek 2009-3-30 184 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  UCD135356  Rafinesquia neomexicana Geoffrey Levin 1976-3-27 701 Riverside on south side of Chino Canyon, west of Palm Springs. Colorado Desert. 457 Comment
  UC827690  Ranunculus cymbalaria var. saximontanus I. W. Clokey and E. G. Anderson 1935-8-21 6627 Riverside Hemet 1030 Comment
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Mar 24 2011
  UCR230210  Rhamnus crocea A. C. Sanders 2011-4-6 38976 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
  RSA175260  Rhamnus ilicifolia Robert F. Thorne 1963-7-26 32819 Riverside Santa Ana Mts., Cleveland National Forest, Trabuco District 305 Comment
  SDSU10368  Rhamnus ilicifolia Graham A. Cribbs 1962-7-28 118 Riverside Taken at the 2000' sign 0.5 mile from the Cranston Ranger Station on Hwy 74 just north of Hemet. 610 Comment
  UCR133434  Rhamnus ilicifolia Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 449 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR53758  Rhamnus ilicifolia Ward B. Holt 1941-10-23 1941- 18 Riverside Southern Mojave Desert, Near Split Rock, Joshua Tree National Monument Comment
  UC870778  Rhamnus tomentella subsp. cuspidata I. W. Clokey and E. G. Anderson 1935-8-21 6735 Riverside n of Idlewilde; San Jacinto Mts. 1650 Comment
  POM320387  Rhododendron occidentale Anonymous 1968-11-3 s.n. Riverside Fulmor Lake, San Jacinto Mountains Comment
  UC22145  Rhododendron occidentale H. M. Hall 1898-7-1 964 Riverside San Jacinto Mountains 1828 Comment
  RSA689699  Rhododendron occidentale Valerie L. Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1707 Riverside Fuller Mill Creek Picnic Area. 1524 Comment
  POM12748  Rhododendron occidentale var. californicum P. A. Munz 1922-7-6 6029 Riverside San Jacinto Mountains: north fork of Tahquitz Creek. 2226 Comment
  POM13126  Rhus ovata I. M. Johnston 1922-5-18 5327 Riverside Glen Ivy Comment
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Sep 24 2013
  SD212450  Rhus trilobata T. B. Salvato 2004-5-27 593 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  SD73468  Rhus trilobata var. pilosissima E. W. Lathrop 1969-6-6 7110 Riverside 8 miles west of Murrieta, on the Tenaja Truck Trail between Santa Rosa Road and Los Alamos Canyon Comment
  POM10268  Rhus trilobata var. quinata Charlotte M. Wilder 1904-3-22 46 Riverside Wilder s Canon. Jurupa Hills. Near Riverside. Comment
  RSA476152  Ribes cereum H. E. Hasse 1892-7-2 s.n. Riverside San Jacinto Mts, Taquitz meadow. Comment
  CAS-BOT-BC173134  Ribes indecorum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23111 Riverside 10 miles n. of Pala, along road to Elsinore Comment
  RSA192334  Ribes indecorum E. W. Lathrop 1960-3-25 4675 Riverside 14 miles west of Murrieta. Comment
  RSA439668  Ribes indecorum J. D. Olmsted 1962-5-10 3637 Riverside Sky Ranch, S Divide TT, near SE end of Elsinore, Santa Ana Mtns. 945 Comment
  UCR45966  Ribes indecorum R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60669 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: edge of Cleveland National Forest 610 Comment
  UCR76771  Ribes indecorum Scott D. White 1992-3-29 92- 55 Riverside San Bernardino Mtns, Millard Canyon. Steep W facing slope below fork with East Millard Cyn Rd. Comment
  UCSB39052  Ribes malvaceum var. malvaceum Jorgensen, Jan 1982-1-19 Riverside 3 kilometers up highway 243 from interstate 10; Banning; San Jacinto Mountains Comment
  UC218159  Ribes nevadense P. A. Munz 1922-9-6 6384 Riverside North Fork of Tahquitz Creek San Jacinto Mts. 2209 Comment
  UC1127498  Ribes quercetorum R. St. John 1931-1 209 Riverside Comment
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Jun 15 2012
  UCR24947  Ribes roezlii A. C. Sanders 1980-7-18 1658 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR4163  Ricinus communis R. H. Sauer 1965-4-30 s.n. Riverside Peninsular Range, Intersection of Chase Drive and Skyline Drive, 3.5 mi SW of Corona 244 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
  RSA192335  Rosa californica H. A. Zuill 1966-6-5 200 b Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  RSA761754  Rosa californica Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 649 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC914715  Rosa californica I. W. Clokey and E. G. Anderson 1935-8-21 6743 Riverside North Fork San Jacinto River 1500 Comment
  CAS-BOT-BC158734  Rubus ursinus Alice Eastwood; John Thomas Howell 1937-4-24 3906 Riverside Coldwater Canyon, Santa Ana Mts. Comment
  RSA523529  Rubus ursinus Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3988 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 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
  RSA466097  Rumex hymenosepalus N. C. Cooper 1945-3-24 1613 Riverside Cabazon. 457 Comment
  UCR261157  Rumex hymenosepalus A. C. Sanders, Katie Young, John Hale 2015-4-22 41591 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
  CDA23193  Rumex salicifolius Scott D. White 1998-7-31 6930 Riverside Peninsular Ranges; San Jacinto Mountains; Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Humber Park Comment
  UCR135819  Rumex salicifolius A. C. Sanders, Guy Bruyea 2004-4-2 27432 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  SDSU13632  Rumex salicifolius var. denticulatus W. Miller, C. Mosse 1972-7-20 Riverside By olive trees at north boundary in turn in road. Comment
  UCR150986  Sagina saginoides L. C. Wheeler 1961-6-20 7894 Riverside Peninsular Ranges; San Jacinto Mtns., W fork of Tahquitz Creek 2378 Comment
  UC65012  Salazaria mexicana E. E. Schellenger 1904-10-18 27 Riverside Chucawalla Bench; Colorado Desert, Chucawalla Bench Comment
  SBBG58867  Salix exigua M. N. Ackley 1928-3-10 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  UCR147804  Salix exigua Steve Boyd, Aydee Virgen 2004-4-13 10860 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UC494348  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside 4.8 km. n Arlington (w of Riverside, rd. to Pedley, e side of bridge over Santa Ana River, either side of rd.) 240 Comment
  RSA0038297  Salix gooddingii Norman C. Cooper 1943-9-26 931 Riverside Cabazon 548 Comment
  CAS-BOT-BC108213  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 605 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  CAS-BOT-BC108217  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  SD80103  Salix laevigata Nancy Ryan Zabriske, Walter Zabriske 1971-4-24 392 Riverside Deep Canyon, north slope Santa Rosa Mountains, along water service road 1317 Comment
  UCR150023  Salix laevigata Scott D. White, Angelia Carey 2004-5-7 10348 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR25939  Salix laevigata John C. Roos 1947-11-1 3758 Riverside Sonoran (Colorado) Desert, Eagle Mtns, Lost Palms Canyon 976 Comment
  UCR169309  Salix lasiolepis T. B. Salvato, John F. Green 2004-5-27 594 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  CAS-BOT-BC128446  Salix lasiolepis var. lasiolepis Geo. B. Grant 1904-7-23 6373 Riverside Mt. San Gorgonio, Vivian Canyon 2286 Comment
  CAS-BOT-BC126321  Salix sessilifolia Crawford; Johnston 1917-6-9 1244 Riverside Santa Ana River near Corona Comment
  CAS-BOT-BC232920  Saltugilia latimeri Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto Comment
  UCR139646  Salvia apiana A. C. Sanders 2004-6-30 28387 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
  UCR241823  Salvia apiana A. C. Sanders, Timothy W. Chumley 2013-4-2 40754 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  POM7001  Salvia carduacea P. A. Munz, L. T. Street, G. Williams 1919-3-28 2459 Riverside Palm Springs. 701 Comment
  IRVC2083  Salvia columbariae Jim Pierce 1965-4-7 none Riverside Blythe. Sonoran Desert Comment
  RSA401477  Salvia columbariae Gale Sphon 1955-4-2 s.n. Riverside Perris. Comment
  RSA401481  Salvia columbariae Robert L. Dressler 1949-3-19 369 Riverside Box Canyon, Orocopia Mts. Comment
  RSA651682  Salvia columbariae Marion P. Harthill 1971-3-19 34 Riverside Palm Desert. Comment
  SD130326  Salvia columbariae Ed Larue 1990-4-13 Riverside 0.5 Mi NW of town of Aguanga, N of Hwy 79 & W of Hwy 371; ca. 1.5 air mi. N of San Diego Cnty Line 640 Comment
  UC1719472  Salvia columbariae D. Atwood 1993-3-26 17671 Riverside 3 mi N of I-10 along Hwy 62 to Morongo Valley Comment
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Dec 18 2016
  UCR162396  Salvia columbariae S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR174387  Salvia columbariae A. C. Sanders 2006-5-19 32413 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
  UCR22032  Salvia columbariae Steve Boyd 1980-5-11 236 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCSB5770  Salvia columbariae Hawkins, L. 1956-4-14 Riverside at entrance to Whitewater Canyon Comment
  RSA0034463  Salvia columbariae var. columbariae Bruce Albert 1982-4-17 70 Riverside Hillside west of Lake Mathews Road, 2 miles south of Cajalco Road. Comment
  RSA0003950  Salvia columbariae var. ziegleri L. B. Ziegler 1964-9-8 s.n. Riverside San Jacinto Mts., north of Kenworthy Ranger Sta., Hemet Valley. 1524 Comment
  RSA446316  Salvia greatae Robert Gustafson 1981-4-7 2147 Riverside West end of Salt Creek Wash, above Dos Palmas Spring, southern flank of the Orocopia Mts. El. ca. 150'. 46 Comment
  RSA586164  Salvia mellifera D. L. Banks, Steve Boyd 1995-3-30 129 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
  RSA751926  Salvia mellifera Scott D. White, Justin M. Wood 2009-5-22 12931 Riverside San Jacinto Mts: Old Control Road, below Halfway Spring. 793 Comment
  SBBG120625  Salvia mellifera A. C. Sanders, T. B. Salvato, K. Volansky, M. Balk 2006-5-24 32530 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 579 Comment
  UCR154409  Salvia mellifera A. C. Sanders, Mike Misenhelter 2005-6-15 30942 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
  UCR21918  Salvia mellifera Steve Boyd 1980-5-1 235 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  POM78928  Samolus parviflorus I. M. Johnston 1925-6-7 3286 Riverside Santa Ana River ca. 3 mi. S of Wineville. 183 Comment
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Jul 25 2009
  RSA596535  Samolus parviflorus D. L. Banks, Lauren Raz 1996-8-29 1139 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 549 Comment
  UCR59810  Samolus parviflorus Jeri Hirshberg 1989-7-25 s.n. Riverside Peninsular Range, Butterfield Country, SW of Vail Lake Comment
  UC1562958  Sanicula arguta S. Myers and R. Montijo 1990-4-20 3 Riverside Powder Canyon in the city of La Habra Heights Powder Canyon; La Habra Heights, Powder Canyon 243 Comment
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Apr 14 2013
  UC1929736  Sanicula arguta Scott D. White, Justin Wood 2008-4-3 11793 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. Comment
  UCR136282  Sanicula bipinnatifida A. C. Sanders, Guy Bruyea 2004-4-2 27435 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UCR59763  Sanicula crassicaulis Steve Boyd, T. Ross, et al 1989-3-31 3074 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  POM46974  Sarcodes sanguinea Mary F. Spencer 1919-6-20 1206 Riverside Idyllwild. San Jacinto Mountians. 1616 Comment
  SBBG45008  Sarcodes sanguinea N. C. Cooper 1944-6-17 1404 Riverside Pine Cove 1828 Comment
  LA202877  Sarcostemma cynanchoides subsp. hartwegii Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  UCR140892  Sarcostemma cynanchoides subsp. hartwegii Virginia Moran 2003-5-28 s.n. Riverside Peninsular Range; Perris-Aguanga Basin region, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  RSA512172  Schedonorus arundinaceus Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
  RSA0118058  Schismus arabicus Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7615 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA778238  Schismus barbatus Duncan S. Bell 2009-3-8 43 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR158724  Schismus barbatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30030 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
  RSA596534  Schismus barbatus D. L. Banks 1996-7-16 1125 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road);, along a disturbed hillside and adjacent roadside 426 Comment
  RSA651615  Schismus barbatus Marion P. Harthill 1971-3-19 27 Riverside Palm Desert. Comment
  CAS-BOT-BC111548  Schoenoplectus americanus R. D. Alderson 1895-3-31 956 Riverside Palmetto Springs, Colorado Desert 274 Comment
  RSA366083  Schoenoplectus maritimus Joseph A. Ewan, C. Epling 1933-5-12 7609 Riverside South shore Lake Elsinore. Comment
  UC1618461  Scrophularia californica L. A. Gill, H. S. Gentry 1979-5-25 2550 Riverside Murrieta: Howard Scott Gentry Experimental Ranch Comment
  UCR241635  Scrophularia californica T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 351 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  LA102320  Scutellaria mexicana John C. Roos; 1958-9-27 sn Riverside Santa Rosa Mountains, Carrizo Creek near Black Hill 914 Comment
  SD28110  Scutellaria siphocampyloides Carl B. Wolf 1932-8-4 Riverside San Jacinto Mts. Point view, near Idyllwild 1646 Comment
  UCR133501  Scutellaria tuberosa D. C. Hawks 1998-4-20 s.n. Riverside Gavilan Hills, near base of Gavilan Peak 640 Comment
  UCR22163  Scutellaria tuberosa Steve Boyd 1980-6-4 314 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SD144094  Searsia lancea A. C. Sanders, P. MacKay, T. Thomas & G. Helmkamp 1997-2-8 19686 Riverside Colorado Desert/San Jacinto Mtns.: Palm Springs area, Murray Canyon off Palm Canyon. 244 Comment
  SEINET10875856  Selaginella J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12854 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  POM11410  Selaginella bigelovii Fred M. Reed 1919-4-4 4113 Riverside Palm Springs Canyon Comment
  RSA543200  Selaginella bigelovii Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6100 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
  SDSU13828  Selaginella bigelovii W. Miller 1972-8-25 Riverside Comment
  POM180258  Selaginella watsonii Louis Cutter Wheeler 1931-10-3 176 Riverside Tahquitz Peak, San Jacinto Mts. 2621 Comment
  CAS-BOT-BC363481  Senecio californicus A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19878 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road 518 Comment
  UC575074  Senecio flaccidus var. douglasii C. Epling, Wm. Robison 1933-6-24 Riverside near Banning; Little San Bernardino Mts., San Gorgonio Wash 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
  SDSU12940  Senecio vulgaris Jutta Buschbom 1991-6-9 23 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
  UCR26101  Senecio vulgaris John C. Roos 1952-3-26 5417 Riverside City of Riverside, Fairmount Park 259 Comment
  RSA0041457  Senna armata Duncan S. Bell, LeRoy Gross 2014-3-20 6276 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA0023063  Senna armata John F. Emmel 1995-4-21 1365 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479. 579 Comment
  SDSU17478  Senna artemisioides Jerry Jenkins 2001-3-30 2001 -002 Riverside Santa Margarita Ecological Reserve. Fields near station. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  RSA676037  Setaria adhaerens Scott D. White 2001-4-11 8291 Riverside SONORAN DESERT: Indio Hills foothills / Coachella Valley. Northern terminus f Rio Del Sol Road, about 2 miles north of Thousand Palms. 146 Comment
  RSA651762  Setaria parviflora Diane T. Liggett 1981-5-16 12 Riverside Riverside Freeway (91) east of Gypsum Canyon Road, north to Featherly Park entrance, east ot bike trail, 0.2 km east. Comment
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Jul 14 2013
  CAS-BOT-BC205599  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. 488 Comment
  RSA680539  Sidalcea malviflora Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9595 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR116849  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 Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR171963  Sidalcea malviflora John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  RSA433916  Sidalcea malviflora subsp. sparsifolia E. C. Jaeger 1922-7-3 s.n. Riverside Stawberry Valley Comment
  SD51940  Sidalcea malviflora subsp. sparsifolia Reid Moran 1962-7-7 9867 Riverside Strawberry Creek, 2.0 miles southwest of Idyllwild, San Jacinto Mountains. 1550 Comment
  RSA162828  Sidalcea oregana subsp. spicata J. D. Olmsted 1959-6-23 677 Riverside Erosion gully where stream enters pond from North, Desert Sun School near Idyllwild, M. Fk. San Jacinto R. drainage area 1646 Comment
  RSA65708  Silene antirrhina F. W. Peirson 1919-4-14 5321 Riverside Murray Canyon near Palm Springs 381 Comment
  UCR256094  Silene antirrhina LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6165 Riverside Peninsular Range; San Jacinto Mtns., 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
  CAS-BOT-BC384578  Silene coniflora Steve Boyd; Darin Banks 1994-4-5 8264 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero 762 Comment
  CSUSB709  Silene gallica Annette Price 1962-5-8 089 Riverside Santa Ana Mountains Santa Ana Mountains. Growing in Foothill woodland along Tenaja Road, 7 miles from Washington Ave. Comment
  RSA659696  Silene laciniata J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  UC8466  Silene laciniata subsp. major Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC389581  Silene parishii Carl B. Wolf 1932-8-5 3981 Riverside San Jacinto Mts. Summit of San Jacinto Peak 3293 Comment
  UC63866  Silene parishii H. M. Hall 1896-8-29 313 Riverside Tahquitz Ridge San Jacinto Mountains, Tahquitz Ridge 2286 Comment
  RSA797259  Silene parishii var. viscida R. F. Thorne, Walter Wisura 1977-9-17 50797 Riverside San Jacinto Mountain: summit 3293 Comment
  SEINET7073430  Simmondsia chinensis A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UC1179542  Simmondsia chinensis Peter H. Raven 1958-3-16 11857 Riverside Smoketree Wash Joshua Tree National Monument; , Smoketree Wash Comment
  UCR178561  Simmondsia chinensis R. G. Swinney 1967-3-12 0082 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, north side, south of Desert Center 366 Comment
  SBBG26815  Sinapis alba C. B. Wolf 1936-4-21 Riverside 4 mi S of Riverside, S of Jurupa Rd Comment
  RSA617161  Sinapis arvensis Scott D. White, Marty Jacobsmeyer 1996-4-20 3963 Riverside Perris area: Just S of Perris Airport, SE of Goetz Rd. / Mapes Rd. intersection, N of San Jacinto River channel 430 Comment
  JEPS53874  Sisymbrium altissimum W. L. Jepson 1935-4-21 17162 Riverside Wisser Valley Comment
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Apr 7 2009
  RSA594785  Sisymbrium altissimum D. L. Banks, Dylan Hannon 1996-5-3 980 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
  UCR250203  Sisymbrium erysimoides A. C. Sanders 2014-4-23 41048 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15, near Black Powder Rd. intersection 377 Comment
  CAS-BOT-BC75246  Sisymbrium irio Catherine Best 1998-1-15 1500 Riverside Joshua National Monument. Comment
  UCR116712  Sisymbrium irio Helen Kennedy, Sara Mills 2001-3-17 5390 Riverside Mojave Desert, 0.8 mi from the junction of Hwy 10 & Cottonwood Springs Road, 100m SE of the entrance to Joshua Tree National Park 550 Comment
  CSUSB560  Sisymbrium orientale Penny Stead 1970-4-26 S. N. Riverside Found in hills, above Fawcett Lab, U.C.R. 274 Comment
  CAS-BOT-BC135369  Sisyrinchium L. R. Abrams 1926-3-27 11136 Riverside Between Redlands and Banning at junction of Wildwood Canyon Road Comment