Search Results — 2000 specimen records retrieved (1896 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  NY341988  Abronia aurita S. B. Parish 1896-4-4 4138 Riverside Palm Springs (Agua Caliente) desert base of San Jacinto Mountain 152.4 Comment
  CAS-BOT-BC229314  Abronia villosa Ethel H. Campbell 1921-6-1 s.n. Riverside San Jacinto Comment
  CHSC1076  Abronia villosa E. Thomas 1939-10-26 Riverside Cathedral City. Comment
  RSA461029  Abronia villosa Christopher Davidson 1979-4-4 7674 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA749942  Abronia villosa var. aurita Justin M. Wood 2009-3-26 409 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  SEINET5585524  Abronia villosa var. aurita Duncan S. Bell 2012-1 3141 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  SEINET946021  Abronia villosa var. aurita Robert L. Rutherford 1944-1 1592 Riverside Palms to Pines Highway. 1463 Comment
  UCD109809  Abronia villosa var. aurita R. N. Raynor 1933-3-31 s.n. Riverside Colorado desert, 13 miles east of Palm Springs. Comment
  UCR281098  Abronia villosa var. aurita Mitch Provance, Jeremiah George 2017-3-21 317- 06 Riverside Temescal Valley, Horsethief Wash (E branch impeded by development), N of Hwy 15 and NNW of Horsethief Rd., area between Temescal Canyon Rd. and Temescal Creek 357 Comment
  RSA760812  Abronia villosa var. villosa Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-27 171 Riverside Mecca Hills Wilderness. Off Box Cannyon Rd (66th st) (Hwy 195). Campground E of Mecca. 198 Comment
  UCR241415  Acacia T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7437 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  CLARK-A1528-459  Acacia greggii Charlotte Stocks 1964-6-15 Riverside Rancho Mirage Comment
  OBI13405  Acacia greggii Tracey & Viola Call, Viola Call 1962-4-6 2114 Riverside 3 mi NW of Desert Hot Springs 274 Comment
  RSA0027454  Acacia greggii Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 31 Riverside At Corn Springs Campground. Comment
  RSA125463  Acacia greggii var. arizonica E. K. Balls, Percy C. Everett 1957-8-20 22664 Riverside Morongo Pass, 8 3/4 mi N. along rd. to 29 Palms from jct. with U.S. Hwy 60/70/99. 640 Comment
  CDA3976  Acacia redolens A. C. Sanders, T. B. Salvato 2001-3-3 23856 Riverside Perris-Aguanga Basin region; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada Comment
  SBBG7491  Acamptopappus sphaerocephalus var. sphaerocephalus H. and M. Dearing 1939-12-31 4044 Riverside N of Palm Springs Comment
  CAS-BOT-BC331638  Acer macrophyllum B. D. Stark 1930-2-21 1474 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  RSA696452  Acer macrophyllum Keith E. Hoffmaster 1934-4-8 138 Riverside Santa Ana Mts. Comment
  RSA544402  Achnatherum coronatum Steve Boyd, Timothy S. Ross 1991-6-14 6370 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 Spings. Comment
  UC472686  Achnatherum coronatum M. F. Spencer 1921-4-19 Riverside Banning San Bernardino Mts. Comment
Read comments
Mar 13 2011
  UCD50439  Achnatherum hymenoides F. M. Reed 1921-3-19 5671 Riverside California, Riverside County. Salt Creek Wash, Colorado Desert. east of Mecca. 213 Comment
  RSA182335  Achnatherum speciosum J. D. Olmsted 1962-5-1 3433 Riverside W slope below Falls Plateau, Snow Canyon N of Mt. San Jacinto. 793 Comment
Read comments
Nov 24 2011
  RSA574727  Achyrachaena mollis Steve Boyd 1982-3-28 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain just east of extensively mined area. 427 Comment
  UCR166010  Achyronychia cooperi Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR263652  Achyronychia cooperi David Fraker, Aaron C. Sedgwick 2012-3-22 13 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  SEINET957371  Acmispon grandiflorus L. B. Ziegler 1968-1 327 Riverside San Jacinto Mountians- Strawberry Valley. Yellow Pine Forest. 1951 Comment
  RSA0071983  Acmispon heermannii var. heermannii J. M. Andre 2012-6-15 30522 Riverside San Jacinto Mountains: Along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  SD70398  Acmispon maritimus var. brevivexillus W. L. Jepson 1927-4-12 11640 Riverside Painted Canyon, north of Mecca. 75 Comment
  SBBG3409  Acmispon nevadensis var. nevadensis R. Hoffmann 1929-9-7 Riverside Strawberry Valley Comment
  JOTR34268  Acmispon strigosus La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3284 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  UCD104470  Acmispon strigosus Nancy Ryan Zabriskie; Walter Zabriskie 1972-6-18 527 Riverside Along Fire Road S of S end of Marion Ridge Rd., Pine Cove, Idyllwild, San Jacinto Mtns. 1920 Comment
  UCSB18818  Acmispon strigosus Wright, David 1963-5-5 Riverside State Highway 74, 6.8 miles S of Dead Indian Creek 1066 Comment
  RSA735240  Adenophyllum porophylloides Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11212 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  SBBG87812  Adenophyllum porophylloides A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6140 Riverside N foot of the Chuckwalla Mtns, 2.75 mi airline SE of Desert Center 365 Comment
  CAS-BOT-BC133137  Adenostoma fasciculatum Cecil Hart 1922-5-21 18 Riverside San Jacinto Pk. Comment
  RSA772856  Adenostoma fasciculatum Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4824 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
  UCR154622  Adenostoma fasciculatum A. C. Sanders, Mike Misenhelter 2005-6-15 30989 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
  SEINET3076976 Image available Adenostoma sparsifolium Howard Scott Gentry 1974-8-26 23434 Riverside Mountain slope ca. 4 miles NE of Anza. 1372 Comment
  UC12019  Adenostoma sparsifolium H. M. Hall July 1901 Riverside e. end Tahquitz Valley; San Jacinto Mts. 1828 Comment
  RSA687684  Adiantum capillus-veneris Marjorie D. Clary 1932-6-5 1954 Riverside Eagle Canyon, W side Colo. D. 457 Comment
  UC1971487  Adiantum capillus-veneris Louis C. Wheeler 1963-3-17 8245 Riverside SANTA ROSA MOUNTAINS: Martinez Canyon. Comment
  UCR18785  Adiantum capillus-veneris John C. Roos 1948-5-15 3850 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  RSA0036104  Adiantum capillus-veneris Norman C. Cooper 1944-4-8 1090 Riverside Andreas Canyon. 457 Comment
  SEINET10720797  Agave deserti Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-19 Meyer 21 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  UC1146111  Agrostis exarata E. K. Balls 1958-6-27 23301 Riverside between Santiago Peak and Indian Truck Trail; Santa Ana Mountains, along Main Divide 1371 Comment
  UC489126  Agrostis exarata C. V. Meyer 1928-7-30 596 Riverside Saunder's Meadow San Jacinto Mountains, Saunder's Meadow 1676 Comment
  RSA0013566  Agrostis idahoensis Steve Boyd, Gary D. Wallace 2005-7-30 11644 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2652 Comment
  RSA515335  Agrostis pallens Jeri Hirshberg 1989-3-20 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, S of Mesa de Burro and Nor of Mesa de la Punta., (Near 33 deg 31'N, 117 deg 13'W). 610 Comment
  SD181781  Agrostis pallens Scott D. White, Sandy Leatherman 2000-5-31 7986 Riverside Santa Ana Mountains/Santa Rosa Plateau, near Squaw Mountain, series of unpaved roads on east- and north-facing slopes; Wildomar [quad]. Uncommon in mesic grassland. 640 Comment
  UCR24966  Agrostis scabra A. C. Sanders 1980-8-21 1780 Riverside San Jacinto Mountains, Mt. San Jacinto Wilderness Area. east of Saddle Junction at the head of Tahquitz Creek, c. 2 mi NE of Idyllwild 2409 Comment
  UCR24967  Agrostis scabra A. C. Sanders 1980-7-22 1699 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  UCR71881  Alchemilla arvensis Joe Di Bernardo 1992-4-6 92- 01 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Desert, condominium complex at Mountain Shadows Golf Course Comment
  RSA703739  Aliciella latifolia LeRoy Gross 2005-3-3 1559 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  HSC25444  Allenrolfea occidentalis R. W. Spjut 1972-1-6 2101 Riverside Colorado Desert, common at the NE shore of the Salton Sea. -61 Comment
  CAS-BOT-BC434480  Allionia incarnata Carl B. Wolf 1932-4-28 3073 Riverside Colorado Desert. Chuckwalla Valley. 20 mi. West of Blythe on the Mecca Road. 121 Comment
  RSA4886  Allionia incarnata Carl B. Wolf 1932-4-27 3002 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  UCR21013  Allionia incarnata A. C. Sanders, J. Zabriskie, Steve Boyd 1980-4-17 1339 Riverside Sonoran (western Colorado) Desert, Coachella Valley at the foot of the Indio Hills near Thousand Palms Oasis, Willis Palms grove 152 Comment
  OBI18921  Allium haematochiton David J. Keil, Malcolm McLeod 1979-3-18 12972 Riverside Alberthill Jctn along hwy 71 366 Comment
  POM184171  Allium haematochiton Philip A. Munz 1932-3-24 12026 Riverside North of Lake Elsinore. 305 Comment
  SD136977  Allium lacunosum var. davisiae Steve Boyd, Tim Ross 1992-5-15 7386 Riverside Southern Santa Ana Mts, SE flank of Elsinore Peak at 'Onion Hill', grassy knoll of clay soil ca. Ao mile SE of radio towers, along old Main Divide Rd track. N & W sides of hill in semi-barren scurry zone at contact between grassland & chaparral. 1021 Comment
  SD137979  Allium marvinii Darin L. Banks, Steve Boyd 1995-5-9 397 A Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground. 790 Comment
Read comments
Jul 31 2010
  UCR225670  Allium marvinii Steve Boyd 2010-5-16 12275 Riverside San Jacinto Mountains, Northwestern base of San Jacinto Mountains along Highland Springs Ave, 1.5 mi south of Breckenridge Ave, City of Banning 732 Comment
  RSA574725  Allium munzii Steve Boyd 1982-3-28 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain just east of extensively mined area. 427 Comment
  SJSU7122  Allium peninsulare N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 3-4 mi E of Elsinore 396 Comment
  RSA655214  Allophyllum glutinosum Scott D. White 1999-7-9 7530 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road S24.2. 1432 Comment
  SD248310  Alternanthera caracasana Oscar Avila 2015-8-6 Riverside Riverside: Ryan Bonaminio Park, Tequesquite Arroyo below old Chinatown and just above confluence with Santa Ana River, along Tequesquite Avenue, south of Mt. Rubidoux (Riverside West 7.5'Q) 227 Comment
  UCR263410  Alternanthera caracasana Oscar Avila 2015-8-6 s.n. Riverside Riverside: Ryan Bonaminio Park, Tequesquite Arroyo below old Chinatown and just above confluence with Santa Ana River, along Tequesquite Avenue, south of Mt. Rubidoux 228 Comment
  UCR103547  Amaranthus albus George K. Helmkamp, E. A. Helmkamp 1998-1-17 2530 A Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  UCR34997  Amaranthus albus L. B. Ziegler 1974-5-20 527 Riverside San Jacinto Valley, San Jacinto River bed 489 Comment
  RSA544288  Amaranthus albus Steve Boyd, Timothy S. Ross 1991-6-14 6359 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 Spings. Comment
  SD146064  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23080 Riverside San Jacinto Mountains; McMullen Flat at Valley High County Park, 0.7 mile southeast of Highway 74 on Twin Pines Ranch Road. 1029 Comment
  RSA319700  Amaranthus palmeri Patricia Wilder 1970-10-30 4820 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  CLARK-A1528-1405  Amaranthus retroflexus John C. Roos 1965-8-4 Riverside Arlington Comment
  UCR34996  Amaranthus retroflexus L. B. Ziegler 1970-8-27 420 Riverside San Jacinto Mountains, (Hemet) Garner Valley 1400 Comment
  CAS-BOT-BC61398  Amauriopsis dissecta Philip A. Munz 1938-8-14 15364 Riverside East of Toro Peak, Santa Rosa Mts. 2438 Comment
  UCR106907  Ambrosia acanthicarpa D. L. Banks, L. Raz 1996-11-5 1174 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, east of San Gabriel Church; along main road in the Reservation; c. 20 m east of its intersection with Pechanga Creek 393 Comment
  UCR119409  Ambrosia confertiflora Mitch Provance 1998-6-20 752 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR276350  Ambrosia confertiflora Arlee Montalvo 2016-10-3 671 Riverside Dos Lagos-Temescal Wash Conservation Easement through Dos Lagos Golf Course, just north of main bridge below golf club (east of intersection of Temescal Canyon Dr. and Cabot Dr.), east of I-15 Fwy & 3/4 mile due south of Cajalco Rd., south of Corona 260 Comment
  UCR278799  Ambrosia confertiflora Arlee Montalvo, Erika Presley, Shani Pynn 2016-10-12 672 Riverside Temescal Valley; restored portion of wash in Dos Lagos - Temescal Wash Conservation Easement through Dos Lagos Golf Course, just N of main bridge below golf club, E of intersection of Temescal Canyon Dr. & Cabot Dr. 260 Comment
  SBBG29419  Ambrosia dumosa D. Myrick 1968-3-4 1801 Riverside Desert Hot Springs 304 Comment
  UCR214278  Ambrosia dumosa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37479 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
  UCR250383  Ambrosia pumila A. C. Sanders, John F. Green 2014-4-4 40966 Riverside Peninsular Range; Elsinore Trough, N of Elsinore near Alberhill, at intersection of Baker St. and Pierce St. 389 Comment
  UCR261172  Ambrosia pumila A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41724 Riverside Elsinore Trough, north of Elsinore along a dirt road west of Baker St., behind house on hill at 17401 Baker St. 388 Comment
  CAS-BOT-BC273030  Ambrosia salsola Roxana S. Ferris 1953-3-9 12597 Riverside Access road to Los Angeles Aqueduct up Berdoo Canyon, about 2 miles northeast of Indio-Desert Hot Springs road Comment
  SFV17322  Ambrosia salsola var. pentalepis J. N. Hogue, J. D. Dilley 1998-4-23 108 .5 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
Read comments
Mar 2 2015
  UC12059 Image available Amelanchier utahensis H. M. Hall May 1899 Riverside e end Thomas Valley; San Jacinto Mountains 1517 Comment
  LA204905  Amorpha fruticosa Barbara Crumly; 1953-5-23 sn Riverside Cranston Ranger station Comment
  RSA793024  Amsinckia intermedia Justin M. Wood 2011-4-4 3398 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  RSA0086465  Amsinckia retrorsa Mitch Provance 2013-4-8 413 -12 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave. 226 Comment
  UCR250211  Amsinckia retrorsa A. C. Sanders 2014-4-23 41061 Riverside Peninsular Range, Baker St. NW of Lake Elsinore, near Alberhill Mtn., 1.1 km NW of Hwy 74 387 Comment
  UCR41830  Amsinckia tessellata A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6104 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA0043041  Amsonia tomentosa Duncan S. Bell, Evan Meyer 2014-4-2 6527 Riverside Chuckwalla Mountains; approx. 0.75 air mile southeast of Aztec Well. 703 Comment
  RSA593779  Ancistrocarphus filagineus Jeri Hirshberg 1995-5-19 274 Riverside San Jacinto Mountains, Garner Valley. Comment
  UC88294  Antennaria rosea H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley San Jacinto Mountains, Tamarack Valley Comment
  CHSC260  Anthemis cotula S. Westerberg 1934-3-23 Riverside Palm Springs. Comment
  RSA425790  Antirrhinum coulterianum R. S. Woglum 1941-5-17 3048 Riverside Peninsular Ranges / Sonora Desert jct: Coyote Canyon [Riverside/San Diego counties]. Comment
  UCR48368  Antirrhinum coulterianum Steve Boyd 1986-5-1 1819 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  UCR174456  Antirrhinum kelloggii A. C. Sanders 2006-5-19 32412 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
  UCR112145  Antirrhinum nuttallianum A. C. Sanders, Mitch Provance 1998-5-14 21845 Riverside Jurupa Mtns., Rattlesnake Mtn. (hill 1452m), Crestmore, above water tank west of Cedar Ave., above intersection of Andalusia and Malaga Streets 396 Comment
  JEPS83386  Antirrhinum nuttallianum subsp. nuttallianum David M. Thompson 1983-5-8 297 Riverside sw end Bernasconi Hills (Lake Perris Recreational Area, se entrance, end of road to left, on horse trail (marked as such) start at picnic area, next to path not far above dam); Lake Perris Recreational Area 487 Comment
  POM29606  Antirrhinum nuttallianum subsp. nuttallianum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA180499  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop 1965-5-23 5766 -a Riverside Riverside, 8 miles W of Murrieta 610 Comment
  SD137620  Antirrhinum nuttallianum subsp. nuttallianum Darin L. Banks 1995-5-4 304 Riverside Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, hills N of Wildhorse Peak 622 Comment
  UC1537412  Antirrhinum nuttallianum subsp. nuttallianum Gordon H. True Jr. 1935-4-17 242 Riverside Mockingbird Canyon 457 Comment
  RSA561069  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, David E. Bramlet 1993-5-12 7344 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  UCR101326  Apiastrum angustifolium A. C. Sanders 1997-3-26 20119 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  RSA680164  Apocynum cannabinum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8624 -B Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SDSU13348  Apocynum cannabinum Joseph Verfaillie, Shasta Gaughen 2000-4-29 48 Riverside Santa Margarita Eclogical Reserve, (SDSU) The north side of the Santa Margarita river about 1/4 mile west of the pipe line crossing. About 5-15 feet from the river. 235 Comment
  PASA2387  Aquilegia truncata Sally Ellis 1939-6-21 Riverside Halona, Idyllwild Comment
  RSA603885  Arabis perennans L. Haines, L. C. Erickson 1937-4-10 s.n Riverside Palms to Pines Hwy near road to Shumway. Comment
Read comments
Dec 17 2011
  UCR59532  Arabis pulchra Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3568 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  UCR5969  Arabis sparsiflora var. arcuata Sue Freeman 1966-4-30 s.n. Riverside San Jacinto Mtns., above Fuller Mill Creek, 0.5 mi upstream from Banning-Idyllwild Rd. 1677 Comment
  UC6052  Arceuthobium campylopodum H. M. Hall Aug. 1901 2616 Riverside s side San Jacinto Mtns 1645 Comment
  RSA629156  Arctostaphylos Jon E. Keeley 1992-7-17 16770 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629163  Arctostaphylos Jon E. Keeley 1992-7-17 16800 Riverside Road to Thomas Mountain (5S15), 6.0 km north of Toolbox Spring. 1790 Comment
  RSA631828  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16512 Riverside Red Mountain Road, 1 km east of R3. 820 Comment
  SEINET12524588 Image available Arctostaphylos glauca M. F. Buell, Helen F. Buell 1961-1 s.n. Riverside Hidden valley, JoshuaTree National monument. 1341 Comment
  RSA633539  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22664 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633683  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21775 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633714  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16661 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  JEPS38603  Arctostaphylos pringlei subsp. drupacea W. L. Jepson 1901-5-19 1305 Riverside Strawberry Valley Comment
  RSA635648  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16645 Riverside Road to Santa Rosa Mountain (7S02), 7.5 km south of Highway 74. 1860 Comment
  UC1375313  Arctostaphylos pringlei subsp. drupacea Larry E. DeBuhr 1972-3-24 531 Riverside along Forest Road 7SO2 Santa Rosa Mts., San Bernardino National Forest 2103 Comment
  UC748985  Arctostaphylos pringlei subsp. drupacea Susan Delano McKelvey 1936-3-16 5083 Riverside Palms to Pines Hwy San Jacinto Mts. 1371 Comment
  RSA271755  Arctostaphylos pungens J. Sauer, Richard Minnich 1977-4-7 5958 Riverside Upper Hurley Flat, San Jacinto Mountains 1311 Comment
  UCSB4761  Arctostaphylos pungens Gill, Robert 1959-11-22 Riverside Idyllwild; San Jacinto Mt. Range; Pacific slope drainage area 1645 Comment
  RSA636011  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19559 Riverside Carancho Rd., W. of Temecula. 440 Comment
  SDSU18354  Arctostaphylos rainbowensis C. Matt Guilliams 2007-6-21 372 Riverside 15 kilometers east of Temecula near Tenaja Road. From Tenaja, south on Harkey Road, east on Avenida Presta, south on Calle Viento, a dirt road on slope above drainage. 640 Comment
  UCR189784  Arctostaphylos rainbowensis Diane Menuz 2007-3-26 265 Riverside Peninsular Range, Coastal Foothills Region, Santa Rosa Plateau, c. 0.2 mi west of northern edge of Mesa de la Punta. Along Punta Mesa Trail, 1000km from the Adobes 488 Comment
  UCR209396  Arctostaphylos rainbowensis Fred M. Roberts 2007-4-13 6515 Riverside Santa Ana Mountains, south of Mesa de Colorado on the Santa Rosa Plateau, northwest corner of El Calamar Road and Via Escalon, 1.6 km west-northwest of the summit of Mesa de La Punta 536 Comment
  SD236347  Argemone munita Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-30 100 Riverside San Gorgonio Pass: Morongo Indian Reservation; Road between Millard and Lion Canyon, below deep canyon. 619 Comment
  UCR133418  Argemone munita Mitch Provance, J. S. Ross 1998-3-27 MOR- 938 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, S entrance to Hathaway Cyn., near the corner of Verdugo Rd. and Hathaway Cyn. Rd. 732 Comment
  CAS-BOT-BC137652  Aristida adscensionis C. L. Hitchcock 1940-3-30 s.n. Riverside Cottonwood Spring. Comment
  CAS-BOT-BC137662  Aristida adscensionis F. C. Vasek 1978-4-22 s.n. Riverside Sheephole Mountains. Canyon east of Sheephole Pass. 853 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
  RSA786536  Aristida adscensionis C. P. Cowan 1978-4-23 1225 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
  UCR104027  Aristida adscensionis George K. Helmkamp 1998-4-4 3155 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCR148855  Aristida adscensionis S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  GMDRC5515  Aristida californica J. Andre 2012-3-19 21352 Riverside Chuckwalla Valley: along Hwy 177, 8.6 mi. NE of Jct with I-10 152 Comment
  CLARK-A1528-4488  Aristida purpurea var. glauca John C. Roos 1946-9-14 3029 Riverside San Jacinto Mountains 1188 Comment
  RSA47456  Aristida purpurea var. nealleyi J. C. Roos, L. Roos 1949-4-11 4242 Riverside Hayfields [Hayfield], Colorado Desert. Comment
  UCR117105  Aristida ternipes var. gentilis A. C. Sanders, T. B. Salvato 2001-5-16 24301 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UC573786  Aristida ternipes var. hamulosa H. S. Yates 1937-6-27 6709 Riverside Lower San Jacinto Riverside Camp San Jacinto Quadrangle Comment
  SD236172  Artemisia annua Eula F. Moore 1996-10-1 Riverside Riverside, weed at residence at 4291 Alta Vista Dr. 259 Comment
  CAS-BOT-BC90193  Artemisia californica Vernon O. Bailey 1907-10-24 s.n. Riverside Cabazon Comment
  SDSU12943  Artemisia californica Jutta Buschbom 1991-5-1 12 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
  SD5834  Artemisia douglasiana F. Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mountains. Comment
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Aug 21 2007
  UC29690  Artemisia douglasiana H. M. Hall 1901-8-1 2633 Riverside south side San Jacinto Mountains 1524 Comment
  JEPS36925  Artemisia dracunculus Carl V. Meyer 1928-7-30 597 Riverside Saunders Meadow San Jacinto Mts., Saunders Meadow 1676 Comment
  JEPS49055  Artemisia ludoviciana subsp. albula Lewis S. Rose 1966-12-14 66106 Riverside 3 mi. w. Palm Springs; Chino Canyon 670 Comment
  RSA401649A  Asclepias californica J. Ewan 1929-6-16 s.n. Riverside Gravelly soil above stream Bear Trap Canyon. NW of Idyllwild. 1646 Comment
  SD137920  Asclepias californica Darin L. Banks, Steve Boyd 1995-5-3 246 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 515 Comment
  RSA0104745  Asclepias eriocarpa Scott D. White, Justin M. Wood 2008-7-8 12384 Riverside San Jacinto Mountains: Hurkey Creek Watershed-Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  SD245239  Asclepias eriocarpa R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49540 Riverside Santa Ana Mountainss: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  UC729826  Asclepias eriocarpa Carl B. Wolf 1932-8-4 3924 Riverside 1 1/2 mi from Idyllwild (on road to Banning); San Jacinto Mts., Strawberry Valley 1706 Comment
  UCR278882  Asclepias fascicularis Mitch Provance 2011-6-9 17197 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  POM11737  Aspidotis californica P. A. Munz, I. M. Johnston 1922-5-19 5334 Riverside 5 miles NE of Murrieta 518 Comment
  SEINET235114  Aspidotis californica F. M. Reed 1920-4-20 5829 Riverside Summit of Grade between Pala & Tewedula 914 Comment
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Sep 20 2013
  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
  POM4800  Aster alpigenus F. M. Reed 1908-7-11 2532 Riverside Meadow in Round Valley 2744 Comment
  CAS-BOT-BC477876  Asteraceae Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountian, a short distance below summit. Comment
  CAS-BOT-BC177459  Astragalus aridus Edmund C. Jaeger 1939-4-7 s.n. Riverside Boulder Well, near Desert Center, Colorado Desert Comment
  CAS-BOT-BC177469  Astragalus aridus L. A. Greata 1905-4-1 420 Riverside Coachella Comment
  GMDRC5834  Astragalus aridus J. M. Andre 2013-3-27 24804 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  RSA0002829  Astragalus chuckwallae P. A. Munz, D. D. Keck 1922-4-9 4779 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
  SEINET898792  Astragalus didymocarpus H. M. Hall 1905-1 5763 Riverside Palm Springs. Colorado Desert. 152 Comment
  CAS-BOT-BC182328  Astragalus didymocarpus var. didymocarpus Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  UCR109155  Astragalus didymocarpus var. obispoensis D. L. Banks, V. W. Steinmann 1997-3-13 1523 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
  CAS-BOT-BC178437  Astragalus douglasii var. parishii Barbara Ertter; Jeffrey Strachan 1980-5-21 3484 Riverside Santa Rosa Mt. Road (Forest Road 7S02) ca 2 miles south of Highway 74 (Pines to Palms Highway), rivulets on SE slope. 1584 Comment
  CAS-BOT-BC178443  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  CAS-BOT-BC178454  Astragalus douglasii var. parishii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  POM229017  Astragalus filipes P. A. Munz 1937-5-31 15125 Riverside Kenworthy, south part of San Jacinto Mountains 1372 Comment
  SBBG118866  Astragalus lentiginosus J. Snapp-Cook with K. Roblek, K. Clark, A. Chavez 2005-6-30 CFW 010 Riverside Rancho Mirage, ca. 0.5 mi WNW of jct of Ramon Rd and Los Alamos Way; area referred to as "Big Dune" 91 Comment
  CAS-BOT-BC187105  Astragalus lentiginosus var. borreganus P. A. Munz 1919-3-25 2307 Riverside Whitewater 304 Comment
  UCR166552  Astragalus lentiginosus var. borreganus Scott D. White, Jennifer H. Jones 2005-4-12 10870 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  RSA691964  Astragalus lentiginosus var. coachellae Scott D. White 2001-4-18 8367 Riverside Coachella Valley: Palm Springs. Northeast corner of 30th Ave. and Devall St. 101 Comment
  GMDRC5491  Astragalus lentiginosus var. fremontii J. Andre 2012-4-16 20938 Riverside Little San Bernardino Mountains: along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of Natl Park Loop Rd (paved). 990 Comment
  JOTR30255  Astragalus nuttallianus var. imperfectus Leary, C. and Leary, Pat 1979-5-6 3027 Riverside Joshua Tree National Park. ca. 1.0 airmiles S.E. of Quail Mtn, Joshua Tree N.M., T2S R7E sec 14 Comment
  RSA594778  Astragalus pachypus var. jaegeri D. L. Banks, Dylan Hannon 1996-5-3 0972 Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 150 m SE of the Helipad at the upper camp sites. 524 Comment
  SEINET2060246 Image available Astragalus palmeri P. J. Leary 1976-1-30 1443 Riverside East Wide Canyon, Joshua Tree National Monument 792 Comment
  POM122364  Astragalus pomonensis Marcus E. Jones 1926-5-29 s.n Riverside South of Temecula. Comment
  SBBG3237  Astragalus pomonensis H. and M. Dearing 1937-4-12 2985 Riverside Lake Elsinore Comment
  UCR266482  Astragalus pomonensis Mitch Provance, Eric Kline 2015-3-26 315- 47 Riverside Temecula/Murrieta Region, Murrieta/Menifee boundary, Warm Springs Creek, SE corner of Clinton Keith Rd. and Jeanette Dr. 392 Comment
  CAS-BOT-BC193165  Astragalus sabulonum Marcus E. Jones 1906-4-30 s.n. Riverside Indio Comment
  RSA415763  Astragalus trichopodus Elizabeth Tisdale 1931-6-19 20344 Riverside Chino Hills border. Santa Ana Valley. Comment
  POM11528  Athysanus pusillus P. A. Munz, I. M. Johnston 1922-5-19 5441 -a Riverside Garner Ranch, Hemet Valley. 1402 Comment
  RSA482797  Athysanus pusillus Christopher Davidson 1973-4-1 1822 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 427 Comment
  RSA418185  Atrichoseris platyphylla M. B. Dunkle 1933-3-4 3035 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA418187  Atrichoseris platyphylla N. C. Cooper 1949-4-8 3289 Riverside Shaver's Summit east of Indio 610 Comment
  RSA489175  Atrichoseris platyphylla B. Pitzer 1988-3-10 648 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA49380  Atrichoseris platyphylla Philip A. Munz 1949-4-12 13031 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  UC963818  Atrichoseris platyphylla Helen K. Sharsmith 1952-4-8 4051 Riverside near, and ca. 2.5 miles beyond Mission Well Meek Mine; Mojave Desert, Pinto Mountains 579 Comment
  UCR279345  Atrichoseris platyphylla A. C. Sanders, Jim Malusa 2017-3-23 42943 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  RSA557365  Atriplex argentea Julie Greene, James Dice 1993-6-25 1374 Riverside North side of San jacinto River levee, West of Davis Road. 433 Comment
  UCR176901  Atriplex argentea Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Valley, intersection of Stetson Ave. and California Ave., NE of Winchester, WSW of Hemet 457 Comment
  POM13772  Atriplex canescens E. C. Jaeger 1921-7-15 1189 Riverside Soboba Hot Springs Comment
  RSA33307  Atriplex canescens N. C. Cooper 1943-10-3 937 Riverside Cabazon, 549 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
  SBBG1754  Atriplex canescens H. and M. Dearing 1939-11-12 4026 C Riverside near Banning Comment
  UCR274785  Atriplex canescens var. macilenta Stephanie Rockwood, Christi Gabriel 2011-10-18 125 Riverside Sonoran (Colorado) Desert, Ford Dry Lake Area, Pallen Dunes Road, Hwy I-10 exit 217, Chuckwalla Valley 96 Comment
  RSA532564  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2178 Riverside 1.4 km west of Nuevo and some 10 m. south of the end of the 12th street. The population is some 17 m. east of the San Jacinto River. 473 Comment
  UCR103746  Atriplex coronata var. notatior D. E. Bramlet 1995-6-8 2437 Riverside San Jacinto Valley, Mystic Lake Duck Club., on berms & on the SW duck ponds within the club, 1.92 km east of Davis Road and adjacent to the maintenence road, 915 m north of the San Jacinto River Channel 436 Comment
  UCR228161  Atriplex elegans var. fasciculata Dave Silverman 2010-3-24 7831 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.3 km SE of Sidewinder Well, 2.0 km SW of Palen Dunes Dr., and 4.6 km N of Interstate 10 130 Comment
  UC1136251  Atriplex hymenelytra H. S. Yates 1937-3-23 6449 Riverside 15 mi nne Mecca; Thermal Quad., nne of Mecca Comment
  UCR148037  Atriplex hymenelytra Steve Boyd, Et al. 2004-5-14 11247 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
  CLARK-A1528-2523  Atriplex lentiformis John C. Roos 1936-9-21 Riverside Indio Comment
  POM184641  Atriplex lentiformis L. C. Wheeler 1931-11-27 387 Riverside 3 miles SE of Salton Bench Mark. -76 Comment
  RSA760984  Atriplex polycarpa Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-4-20 146 Riverside Hwy 177. N of Desert Center and Desert Lily Sanctuary. E of Joshua Tree National Park border. 274 Comment
  UCR8992  Atriplex semibaccata O. F. Clarke 1969-9-26 s.n. Riverside San Bernardino Valley/upper Santa Ana River Region, City of Riverside, University of California campus 335 Comment
  UCR110913  Atriplex serenana A. C. Sanders, K. C. Rose 1999-6-18 22830 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  CAS-BOT-BC176762  Atriplex serenana var. serenana Baer 1922-9-9 s.n. Riverside Elsinore Comment
  SDSU12930  Avena barbata Jutta Buschbom 1991-5-1 3 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
  SEINET10656976  Avena fatua Nye Leith, Greg Gust 2005-3-11 Nye 59 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  VVC547  Avena fatua A. C. Sanders, J. Mac 1997-5-4 20649 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  UC871650  Ayenia compacta B. D. Stark 1933-5-13 4984 Riverside about 50 ft above stream bed; Andreas Canyon 762 Comment
  JOTR16561  Baccharis brachyphylla Hogan, J. 1974-9-27 164 Riverside Joshua Tree National Park. RYAN CAMPGROUND 1325 Comment
  RSA0104611  Baccharis brachyphylla Duncan S. Bell, Evan Meyer 2014-10-29 7679 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
  IRVC522  Baccharis glutinosa R. H. Whittaker, W. A. Niering 1963-5-28 SJ 37 Riverside Mountain Center, Hemet Hwy. San Jacinto Mountains 976 Comment
  UCR117216  Baccharis salicifolia B. G. Pitzer 2000-4-20 4123 Riverside Mead Valley, Air Force property bordering Nandina Road, across from (N of) the T-intersection with Brown Street. 515 Comment
  UCR138647  Baccharis salicifolia D. L. Banks 1997-2-17 1277 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. Along Pechanga Rd. in the Reservation, c. 10 m west of the Pechanga Tribal Government Center 367 Comment
  UCR151973  Baccharis salicifolia Steve Boyd, Aydee Virgen 2004-4-13 10851 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  JEPS40677  Baccharis salicifolia subsp. salicifolia L. M. Newlon 1922-4-3 443 Riverside Andreas Canyon Comment
  UCR97252  Baccharis salicina Scott D. White 1997-2-9 4674 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
  UCR260956  Baccharis sarothroides Duncan S. Bell 2013-1-30 4438 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Peak 1642 138 Comment
  CAS-BOT-BC99872  Baccharis sergiloides Carl B. Wolf 1932-10-12 4297 Riverside Canyon at Pinyon Well, Little San Bernardino Mts. (Conchilla Mts.) 1219 Comment
  CAS-BOT-BC99875  Baccharis sergiloides Geo. B. Grant 96 -6746 Riverside Palm Springs Comment
  CAS-BOT-BC99876  Baccharis sergiloides Ralph Hoffmann 1931-6-15 s.n. Riverside 49 Palms Canyon near 29 palms Comment
  RSA772065  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4457 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SD137907  Baccharis sergiloides Darin L. Banks, Steve Boyd 1995-10-17 804 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National forest; along lower Arroyo Seco. 730 Comment
  UCR150654  Baccharis sergiloides Bern Schwenn 1994-10-30 s.n. Riverside Mojave Desert, Little San Bernardino Mtns, side canyon on W side of Long Canyon 915 Comment
  UCR89659  Baccharis sergiloides Bern Schwenn 1994-2-13 s.n. Riverside Colorado Desert/Santa Rosa Mtns., Santa Rosa Mtns, west fork Agua Alta Canyon. 657 Comment
  CAS-BOT-BC295905  Bahiopsis parishii Carl B. Wolf 1932-4-27 3049 Riverside Colorado Desert. 1 mi. off Mecca - Blythe Road. Lower end of Lost Palms Canyon at 1st. rocky hills 243 Comment
  RSA23272  Bahiopsis parishii Ernest Braunton 1940-03 2032 Riverside Berdoo Canyon. Comment
  RSA550041  Bahiopsis parishii Walter Wisura, A. King, L. Newcomb 1992-4-10 4666 Riverside Low Desert: Mission Creek Ranch W of Hwy 62 below Morongo Valley Comment
  SBBG50933  Bahiopsis parishii N. R. Zabriskie, W. Zabriskie 1973-4-3 605 Riverside Poorwill Cyn, Andreas Cyn area, Palm Cyn drainage 426 Comment
  RSA48417  Baileya pauciradiata E. K. Balls 1949-4-2 12902 Riverside sand N of Salton on Hwy 111, Colorado Desert -61 Comment
  UC724349  Baileya pauciradiata Aven Nelson, Ruth A. Nelson 1939-3-29 3313 Riverside between Mecca and Hidden Springs Comment
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Feb 3 2011
  UCR33599  Baileya pauciradiata Faulkner 1978-4-28 529 Riverside Sonoran (Colorado) Desert, sand dunes 3 miles south of Rice 245 Comment
  POM350685  Baileya pleniradiata N. C. Cooper 1949-4-9 3326 Riverside Blythe. 81 Comment
  POM350687  Baileya pleniradiata Christopher Davidson 1973-4-19 1989 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  RSA0089860  Baileya pleniradiata Dean Wm. Taylor 2003-5-7 18544 Riverside 1 mi SE of Steele Peak, 0.4 miles NNW of Good Hope Mine, under electrical transmission line corridor. 579 Comment
  RSA562113  Barbarea orthoceras Steve Boyd 1992-4-14 6793 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  CHSC26007  Bebbia juncea James Henrickson 1971-4-2 5482 Riverside Near Hidden Oasis, 13 miles E of Palm Springs. 182 Comment
  RSA696875  Bebbia juncea J. Russell Bruff 1927-10-8 1 -N Riverside Thousand Palms Comment
  RSA92402  Bebbia juncea F. W. Peirson 1924-6-21 4756 Riverside Temescal Canyon, near Elsinore 305 Comment
  CAS-BOT-BC100138  Bebbia juncea var. aspera Joy Keck 1935-4-15 3838 Riverside Lower Morongo Canyon Comment
  JEPS19299  Bebbia juncea var. aspera W. L. Jepson May 17 1901-Jun 1 1901 1266 Riverside San Jacinto River to Strawberry Valley Comment
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Jul 8 2014
  SD137906  Bebbia juncea var. aspera Darin L. Banks, Steve Boyd 1995-10-17 782 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National 'Forest; along lower Arroyo Seco. 515 Comment
  UC1126275  Berberis aquifolium var. dictyota R. St. John 1931-3-13 195 Riverside Bald Peak; Corona Quadrangle Comment
  UC1126277  Berberis aquifolium var. dictyota A. Lewis Mar 1934 323 Riverside Bedford Canyon; Corona Quadrangle, Cleveland Nat'l Forest 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
  CAS-BOT-BC207048  Bernardia incana Annie M. Alexander 1941-5-10 2144 Riverside 3 mi NE Cottonwood Spring, Eagle Mts. 1036 Comment
  UC64498  Beta vulgaris H. M. Hall June, 1901 2004 Riverside San Jacinto Valley Comment
  UC30574  Bidens laevis E. L. Koethen 1897-10-16 Riverside Riverside Comment
  RSA594786  Bloomeria crocea Darin L. Banks, Dylan Hannon 1996-5-3 981 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
  UCR13711  Boechera californica N. R. Zabriskie, W. W. Zabriskie 1972-6-18 524 Riverside Peninsular Range; San Jacinto Mtns., along fire road south of the S end of Marion Ridge Rd., Pine Cove, NW of Idyllwild 1939 Comment
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Dec 25 2013
  CAS-BOT-BC14726  Boechera repanda H. M. Hall 1901-6-1 2449 Riverside San Jacinto Mountains. Tauquitz Valley. 1889 Comment
  SEINET3166373  Boechera xylopoda P. J. Alexander 2009-4-13 1006 -A, B, C Riverside San Jacinto Mountains, San Bernardino National Forest, along CA Hwy. 243 on the south side of the San Jacinto Penny Pines Plantation turnout, 2.1 miles WNW of the Stone Creek Campground, 0.3 miles SSE of Lake Fulmor. 1661 Comment
  UCR35198  Boerhavia coccinea L. B. Ziegler 1967-8-30 218 Riverside San Jacinto Valley, Vacant lots in city of San Jacinto 473 Comment
  SD255798  Boerhavia coulteri A. C. Sanders 2015-9-12 41884 Riverside Sonoran (Colorado) Desert: Desert Center, south of I-10 at the Eagle Mountain Road junction (Desert Center 7.5'Q) 360 Comment
  CAS-BOT-BC540734  Boerhavia coulteri var. palmeri Sarah J. De Groot; Amy Rouillard 2015-9-15 7564 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  SEINET7249041  Boerhavia erecta var. intermedia Andrew C. Sanders, T. B. Salvato 2012-1 Riverside Comment
  CAS-BOT-BC434530  Boerhavia intermedia Ira L. Wiggins 1934-9-4 8034 Riverside Colorado Desert 10 miles NE. of Mecca Comment
  RSA518302  Boerhavia intermedia A. C. Sanders 1989-9-19 9511 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  UCR112762  Boerhavia wrightii A. C. Sanders, T. B. Salvato 2000-4-21 23350 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR19111  Boerhavia wrightii John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Desert Center Comment
  CAS-BOT-BC31019  Bolboschoenus maritimus Ivan Murray Johnston 1918-5-30 2026 Riverside Temescal Canyon, Lee Lake. 335 Comment
  CAS-BOT-BC31023  Bolboschoenus maritimus LeRoy Abrams 1901-5-1 s.n. Riverside Elsinore. Comment
  UCR89551  Bothriochloa barbinodis A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15871 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  UCD56821  Bothriochloa ischaemum Oscar F. Clarke 1967-7-6 C 670706 1 Riverside Riverside Co. Comment
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Apr 8 2009
  RSA0125183  Bouteloua aristidoides Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8756 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  RSA793924  Bouteloua barbata A. C. Sanders 2011-9-15 39892 Riverside Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  CLARK-A1528-1429  Bowlesia incana John C. Roos 1937-2-21 1312 Riverside La Sierra Comment
  SEINET3287492 Image available Brachypodium hybridum O. F. Clarke 2008-5-20 s.n. Riverside Peninsular Range; Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus. 351 Comment
  RSA758319  Brandegea bigelovii Doug Goldman 2005-3-3 3022 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  SEINET2042329 Image available Brandegea bigelovii B. Pitzer 1989-4-15 1285 Riverside Chocolate Mountains Aerial Gunnery Range. Large wash crossing Ridgeline Rd. (Frink quad: UTM 11S: PH-050N, 397E) 700 Comment
  UCR214158  Brandegea bigelovii T. B. Salvato 2010-4-20 4056 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR70766  Brassica juncea N. C. Cooper 1944-6-17 1387 Riverside San Jacinto Mtns., west side of San Jacinto Mtns. [Banning to Idyllwild road] 1372 Comment
  CAS-BOT-BC36844  Brassica tournefortii Bellue 1938-6-1 s.n. Riverside Coachella Valley near Oasis. Comment
  UCR156356  Brassica tournefortii T. B. Salvato, Kent Beaman 2005-5-16 867 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
  UCR9106  Brickellia desertorum O. F. Clarke 1969-10-8 s.n. Riverside San Bernardino Valley Region, Riverside, UCR campus, south side of campus Comment
  UCR126959  Brodiaea filifolia Tom Leslie 2003-4-26 s.n. Riverside Perris Valley, 152 m south of San Jacinto Avenue, 2043 m east of the San Jacinto River, and 1402 m north of Ellis Avenue 465 Comment
  CDA1786  Bromus arenarius A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24211 Riverside Perris-Aguanga Basin region; Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte Comment
  SD185078  Bromus arizonicus A. C. Sanders, K. Rose and D. Woodard 1995-3-22 16220 Riverside San Gorgonio Pass/San Jacinto Mountains; on and near a rocky spur at the north foot of the mountains. 399 Comment
  UCR112147  Bromus arizonicus O. F. Clarke 1973-3-21 s.n. Riverside Riverside, residential garden of O.F. Clarke at 1012 Spruce Street 305 Comment
  SEINET3922005  Bromus carinatus A. C. Sanders 2003-4-6 25945 Riverside San Vernardino/Santa Ana River Valley Region: Riverside.; 0 341 Comment
  JOTR35261  Bromus catharticus var. catharticus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3279 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
  HSC99954  Bromus diandrus J. P. Smith, & J. O. Sawyer 2011-6-9 13201 Riverside 1470 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
  UCR2219  Bromus hallii F. M. Reed 1908-7-13 2476 Riverside San Jacinto Mtns, N margin of meadow in Tahquitz Valley 2439 Comment
  UCR102876  Bromus hordeaceus A. C. Sanders 1997-3-26 20133 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  CLARK-A1528-4544  Bromus mollis John C. Roos 1939-5-27 Riverside Reche Canyon Comment
  CLARK-A1528-4553  Bromus rubens John C. Roos 1952-4-2 5465 Riverside Box Springs 426 Comment
  RSA771737  Bromus rubens Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4783 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET3923268  Bromus rubens R. L. Piemeisel 1913-5-4 3595 Riverside Sunny Mt., Riverside.; 0 Comment
  UCR126487  Bromus tectorum Scott D. White 1995-3-30 2629 .1 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  CLARK-A1528-4563  Bromus trinii John C. Roos, Lucille Roos 1952-5-24 5711 Riverside Moreno Valley 518 Comment
  UCR168225  Bromus trinii Mary F. Spencer 1920-4-5 1545 Riverside Sonoran (Colorado) Desert, Palm Springs 122 Comment
  UCR20531  Bromus trinii John C. Roos, L. Roos 1953-3-21 5909 Riverside Sonoran (Colorado) Desert, Mouth of Andreas Canyon south of Palm Springs 274 Comment
  UCR2259  Bromus trinii F. M. Reed 1907-6-16 1471 Riverside South Coast; San Bernardino Valley, Riverside, upper south fork of Arroyo Tequesquite 457 Comment
  UCR2263  Bromus trinii F. M. Reed 1907-4-7 1274 Riverside Streambed at foot of Box Springs Mountain Comment
  JOTR28872  Caesalpinia virgata La Doux, Tasha, Bill Truesdell 2004-3-17 1107 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  POM47669  Caesalpinia virgata Mary F. Spencer 1920-3-13 1448 Riverside Painted Canyon near Mecca -60 Comment
  CAS-BOT-BC438493  Calandrinia ciliata John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just S of Los Alamos Rd. (Clinton Keith Rd.), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley. Comment
  UCR155073  Calandrinia ciliata A. C. Sanders, Kelly Volansky 2005-3-17 29238 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR183336  Calandrinia ciliata Mitch Provance 2003-4-26 9882 B 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
  UCR91464  Calandrinia ciliata Scott D. White 1995-3-30 2659 Riverside San Jacinto Valley, Moreno Valley; fallow field 0.5 air mi south of 60 Fwy and west of bend in Moreno Beach Drive 579 Comment
  UCR280980  California macrophylla Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-11 417- 80 Riverside Elsinore Trough, West side of Baker St., slopes just S to SE of intersection with road to the water tank. 421 Comment
  UCR18880  Callitriche marginata John C. Roos 1952-4-16 5540 Riverside Edgemont, near Box Springs 488 Comment
  UCR26355  Calocedrus decurrens A. C. Sanders, J. A. Harpel 1981-8-26 2337 Riverside Santa Rosa Mtns., Cedar Spring 2250 Comment
  RSA741582  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-17 12178 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  JEPS61706  Calochortus palmeri W. L. Jepson 1901-5-27 1462 Riverside Van Deventer's Ranch San Jacinto Range Comment
  RSA0120466  Calochortus splendens Duncan S. Bell 2016-4-16 9321 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA496570  Calochortus splendens Bill Wagner 1988-4-5 s.n. Riverside NW of Murrieta. 381 Comment
  UCR133445  Calochortus splendens Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 455 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA652923  Calycadenia tenella A. C. Sanders 1997-5-1 20624 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  CAS-BOT-BC283322  Calycoseris parryi Helen K. Sharsmith 1952-4-10 4060 Riverside Mojave Desert. Smoke Tree Wash, ca 5 miles NE of Cottonwood Springs, Joshua Tree National Monument 853 Comment
  RSA80994  Calycoseris parryi G. R. Campbell 1952-4-5 18380 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UC63097  Calycoseris parryi H. M. Hall 1901-5-1 1857 Riverside e base, along the borders of the Colorado Desert San Jacinto Mountains Comment
  RSA781806  Calycoseris wrightii Duncan S. Bell 2010-5-1 893 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
  SD240845  Calycoseris wrightii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37457 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak. 195 Comment
  RSA0117828  Calyptridium monandrum Sarah J. J. De Groot, Grace Cho 2016-4-4 7770 Riverside Santa Rosa Mountains, southwest of Palm Desert, north of Alpine Village and Highway 74. Along Dunn Road between Haystack and Asbestos Mountains. 1233 Comment
  SD119925  Calyptridium monandrum Louis B. Ziegler 1969-5-27 365 Riverside San Jacinto Mountains; Cahuilla Indian Reservation. 1114 Comment
  UC1618032  Calyptridium parryi Donald G. Nelson 1935-5-21 366 Riverside e. lake Hemet (and n. of Mt. Thomas, slopes just n. of meadow in valley just e. of Hurkey Creek Cap <camp ?> area); San Jacinto Mts. Comment
  RSA781359  Calystegia macrostegia A. C. Sanders, T. B. Salvato 2011-4-1 38956 Riverside Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  UC50356  Calystegia macrostegia H. M. Hall Apr., 1903 3802 Riverside vicinity Riverside; vicinity of Riverside 365 Comment
  RSA192220  Calystegia macrostegia subsp. tenuifolia E. W. Lathrop 1959-4-2 4421 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range. Comment
  RSA465929  Camissonia bistorta Ora M. Clark 1959-4-6 1959 Riverside S. Hemet, sandy hillsides. Comment
  UCR107711  Camissonia bistorta A. C. Sanders 1997-3-1 19750 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR116950  Camissonia bistorta A. C. Sanders, T. B. Salvato 2001-5-3 24122 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR133365  Camissonia bistorta Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 290 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCR41634  Camissonia brevipes A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6078 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA214487  Camissonia californica Donald A. Johansen, J. A. Ewan 1932-4-10 7052 Riverside San Gorgonio Pass, Cabazon 488 Comment
  RSA516759  Camissonia californica Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA770891  Camissonia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4594 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  RSA776233  Camissonia californica Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 871 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  UCR116830  Camissonia californica A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23931 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR137687  Camissonia californica D. L. Banks, V. W. Steinmann 1997-3-13 1483 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
  UCR216200  Camissonia californica Jim Andre, T. La Doux 2009-2-28 10836 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, SE Little San Bernardino Mountains, along Berdoo Canyon Rd (dirt), c. 0.8 mi. north of JTNP boundary, c. 3 miles north of Dillon Road 632 Comment
  UCR85683  Camissonia californica A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16030 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  SEINET7048153  Camissonia californica Steven R. Hill 2001-5-3 33654 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  SEINET10492047  Camissonia cardiophylla David B. Dunn, Howard Brown 1947-1-12 Dunn 2843 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  JOTR31901  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2149 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  CHSC8447  Camissonia chamaenerioides Edward Laidlaw Smith 1958-3-21 377 Riverside 6 mi. s. Rice, near Priest's Well. Little Santa Maria Mt. Range. Colorado River drainage area. 365 Comment
  POM13089  Camissonia chamaenerioides E. C. Jaeger 1920-3-1 s.n. Riverside Palm Springs Comment
  CLARK-A1703-1218  Camissonia claviformis Charlotte Stocks 1963-4-20 Riverside Box Canyon Comment
  SEINET10492066  Camissonia claviformis David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-13 Dunn 2893 Riverside Pushawalla canyon biota. Indio hills. In wash. Comment
  POM38527  Camissonia claviformis subsp. aurantiaca Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  RSA652359  Camissonia hirtella Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
  RSA449035  Camissonia ignota Christopher Davidson 1973-4-1 1802 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  RSA527859  Camissonia ignota Scott D. White 1991-5-10 91 -150 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  RSA137358  Camissonia pallida subsp. hallii David Gregory 1958-4-11 1 Riverside Sandy wash in side canyon off Morongo Canyon, northwestern Colorado Desert. Comment
  JOTR30240  Camissonia pallida subsp. pallida Leary, C. and Leary, Pat 1979-5-5 2999 Riverside Joshua Tree National Park. Near the end of the road in Lower Covington Flat, Joshua Tree National Monument Comment
  POM172020  Camissonia pallida subsp. pallida P. A. Munz 1930-5-1 11920 Riverside Whitewater 91 Comment
  RSA186535  Camissonia refracta Peter H. Raven 1958-2-15 115777 Riverside In a sandy wash, Corn Springs, Chuckwalla Mountains. Comment
  RSA449053  Camissonia refracta Anstruther Davidson, E. C. Jaeger 1922-3-29 s.n. Riverside Box Canon near Mecca. Comment
  SDSU3330  Camissoniopsis bistorta H. Wedberg 1958-3-31 203 Riverside 10.3 miles south of Hwy 74 in Hemet, on Hwy 79. 412 Comment
  UC1537618  Camissoniopsis bistorta Gordon H. True Jr. 1935-2-20 1 Riverside Box Springs Sycamore Canyon (mouth of canyon) 365 Comment
  UC1595618  Camissoniopsis hirtella Steve Boyd 1991-5-20 6271 Riverside nw Lake Elsinore (just inside Nat. For. boundary); Santa Ana Mountains, Cleveland Nat. For., Lower Rice Cyn 573 Comment
  UCR166108  Camissoniopsis pallida subsp. hallii A. C. Sanders, K. C. Rose 1995-4-5 16368 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR49459  Carduus pycnocephalus A. C. Sanders, B. Pitzer 1987-4-21 7049 Riverside Box Springs Mts., summit of Pigeon Pass Rd, Riverside 581 Comment
  RSA769195  Carex bolanderi P. F. Zika, Nick Otting, K. Kramer 2010-8-6 25300 Riverside Bridge over North Fork San Jacinto River, Dark Canyon, at campground, San Jacinto Mountains 1785 Comment
  POM14392  Carex nebrascensis Phillip A. Munz 1922-9-6 6397 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  RSA180456  Carex praegracilis E. W. Lathrop 1960-6-7 4896 Riverside 14 miles west of Murrieta, Redonda Mesa. Comment
  UC1563042  Carex triquetra Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3069 Riverside 0.25 mi e Pauba Road (s of Hwy 79); Vail Lake area 426 Comment
  UCR151364  Carex triquetra Scott D. White, T. B. Salvato 2001-6-8 8585 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley 579 Comment
  SEINET3079495 Image available Castilleja affinis Don Mitchell 1990-4-30 Riverside W. side of Sage Road, ca 1/2 mi. S of intersection with Wilson Valley Road. (Sage 7.5' quad) 701 Comment
  RSA6018  Castilleja applegatei subsp. martinii Carl B. Wolf 1932-8-5 3935 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  PASA985  Castilleja foliolosa Sally Ellis 1940-3-17 Riverside Dripping Springs Comment
  RSA559440  Castilleja foliolosa Steve D. Boyd 1992-4-15 6852 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA651703  Castilleja foliolosa Diane M. Ramirez 1983-4-1 5 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  RSA771735  Castilleja foliolosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4779 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR16020  Castilleja foliolosa M. J. Arbaugh 1978-6-8 s.n. Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Coachella Valley, Verbenia [=Cottonwood] Canyon, 2 mi north of State 60 on Verbenia Avenue, along side of stream bed 610 Comment
  UCR241654  Castilleja foliolosa T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 358 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA0035035  Castilleja foliolosa Nancy Anderson 1955-5-21 s.n. Riverside Banning. 1219 Comment
  UCR2880  Castilleja martinii N. J. Matthews 1963-5-5 50563- 08 Riverside San Jacinto Mtns, 2 mi east of Mountain Center [near Keen Camp Summit], Hwy 74 1494 Comment
  SD143713  Castilleja minor subsp. spiralis Scott D. White 1997-5-25 5223 Riverside Bautista Cyn Rd., abt 1.3 road miles NW of Hixon Trailhead (USFS No. 2E43) 700 Comment
  UC57006  Castilleja minor subsp. spiralis F. Gilman 1902-1 35 Riverside Palm Springs Comment
  UCR156295  Castilleja minor subsp. spiralis T. B. Salvato, Kent Beaman 2005-5-16 842 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
  RSA0010914  Castilleja minor subsp. spiralis D. Charlton 1988-5-21 1971 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on hwy 74. 1677 Comment
  SDSU18411  Caulanthus heterophyllus C. Matt Guilliams 2008-2-21 467 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UCR162268  Caulanthus heterophyllus 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
  UCR95442  Caulanthus lasiophyllus var. rigidus Steve Boyd, D. E. Bramlet 1996-4-19 8630 Riverside San Jacinto Valley, San Jacinto Wildlife Refuge at Southwestern edge of Mystic Lake, in the San Jacinto River Floodplain, north of 'Marsh A 433 Comment
  UCR77744  Caulanthus simulans Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6023 Riverside Vail Lake, SW and W flanks of Billy Goat Mtn. 3 mi north of Hwy 79, 1 mi west of Hwy 371, north of Aguanga 880 Comment
  CAS-BOT-BC48620  Ceanothus cordulatus Carl B. Wolf 1932-8-6 3990 Riverside San Jacinto Mts. Strawberry Valley. Base of Devil's Slide Trail to Tahquitz Valley 1706 Comment
  RSA570244  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7898 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, 610 Comment
  RSA620362  Ceanothus crassifolius A. C. Sanders 1997-3-1 19728 Riverside Box Springs Mountains: Pigeon Pass, canyon below Regulus Road, 0.6 mi. W of Pigeon Pass Rd., 0.4 mi. E of Bench Mark 'Table' 610 Comment
  UC1594219  Ceanothus crassifolius Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3019 Riverside 1 mi w Vail Lake 609 Comment
  UC917856  Ceanothus crassifolius Frank W. Gould 1944-4-4 2216 Riverside 10 mi se Temecula (on hwy 71) Comment
  LA30343  Ceanothus cuneatus Mary V. Hood; 1945-3-25 45- 2 -k* Riverside Aguanga 587 Comment
  RSA575056  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -J 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
  UCR22043  Ceanothus cuneatus Steve Boyd 1980-5-22 300 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. east of the trailer park, E side of Gavilan Rd 625 Comment
  UC1070672  Ceanothus greggii R. St. John 1929-2-28 9 Riverside 2 mi e Indian Creek; San Jacinto quad., San Bernardino National Forest 1219 Comment
  RSA500225  Ceanothus greggii var. perplexans Steve Boyd, C. Boyd, K. A. Boyd 1989-4-15 3251 Riverside Anza Valley, along Hwy 371, 0.5 mi S of jtn with Hwy 74. Comment
  RSA67298  Ceanothus greggii var. perplexans G. R. Campbell 1951-4-22 15996 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1372 Comment
  RSA783160  Ceanothus greggii var. perplexans J. D. Olmsted 1962-5-3 3512 Riverside South access road to Thomas Mt., 1.5 mi. W of Pines-to-Palms Hwy. 1418 Comment
  LA43601  Ceanothus integerrimus Carl Epling; William Robison 1935-7-30 sn Riverside north fork San Jacinto River Comment
  OBI78290  Ceanothus integerrimus Carl B. Wolf 1941-8-15 11155 Riverside Santa Ana Mts Santiago Peak, N side 1/2 mi from summit Comment
  RSA262093  Ceanothus integerrimus var. puberulus E. W. Lathrop 1969-5-9 7033 Riverside Main Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  LA44859  Ceanothus leucodermis W. Pequegnat; 1939-4-8 45 Riverside Santa Ana Mountains Comment
  UCR16488  Ceanothus leucodermis P. A. Rauch 1966-4-5 s.n. Riverside San Jacinto Mtns., [Hwy 74] at hairpin turn [White Post Turn], roadside 1098 Comment
  POM305352  Ceanothus oliganthus Henry J. Ramsey, Henry J. Ramsey 1938-2-25 666 Riverside Temecula Comment
  RSA570221  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7890 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, 610 Comment
  RSA606736  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27416 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
  SD134388  Ceanothus ophiochilus Craig Reiser 1990-7-1 Riverside Crest of Oak Mountain W of Vail Lake Comment
  UCD112284  Ceanothus ophiochilus Steve Boyd; Tim Ross, Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area, 1 mi. W of lake. 609 Comment
  UCR89468  Ceanothus ophiochilus Steve Boyd, T. S. Ross 1993-3-23 7897 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mtn., Agua Tibia Wilderness area, Cleveland National Forest, along trail extending S from end of Woodchuck Rd. 671 Comment
  UC1178628  Ceanothus palmeri Peter Kamb 1948-7-4 1158 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  UC729815  Ceanothus palmeri Carl B. Wolf 1932-8-4 3920 Riverside Point View near Idyllwild; San Jacinto Mts., Point View near Idyllwild 1645 Comment
  RSA0019591  Ceanothus palmeri J. D. Olmsted 1959-9-23 s.n. Riverside Flat on NW side of Idyllwild-Banning Rd. halfway up grade south of Dark Canyon Creek crossing. San Jacinto Mountains, North Fork San Jacino River drainage area. 1799 Comment
  CAS-BOT-BC51920  Ceanothus perplexans Vernon Bailey 1907-9-19 1286 Riverside Beaumont, (4 miles South) Comment
  OBI6101  Ceanothus perplexans Carl B. Wolf 1931-5-11 1944 Riverside Near Pipe Crk above Hemet Valley, San Jacinto Mts 1676 Comment
  SEINET269564  Centaurea melitensis Scott D. White 1996-5-27 4076 Riverside Jackrabbit Canyon: east of Moreno Valley and south of Calimesa between State highway 60 and Gilman Spring Road west and 518 Comment
  UCR114617  Centaurea repens Mitch Provance 1997-5-18 1095 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal. 250 Comment
  UCR168329  Centaurium exaltatum I. W. Clokey, E. G. Anderson 1935-8-21 6790 Riverside San Jacinto Mountains, Hemet Lake 1300 Comment
  RSA707580  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  SD262184  Centromadia pungens subsp. laevis Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 18 Riverside Elsinore Trough: Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, A+- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  UC68686  Centrostegia thurberi var. thurberi H. M. Hall May, 1905 6021 Riverside Colorado Desert, Cottonwood Mountains Cottonwood Mountains; Colorado Desert, Cottonwood Mountains 609 Comment
  CAS-BOT-BC388360  Cerastium glomeratum A. C. Sanders; G. Helmkamp 1996-3-17 17983 Riverside Coachella Valley: Palm Springs, mouth of Palm Cyn., ca. 0.5 km E of Palm Canyon Dr. on Bogert Trail 163 Comment
  RSA674918  Cerastium glomeratum Scott D. White 2000-5-1 7738 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UCR169318B  Cerastium glomeratum T. B. Salvato, John F. Green 2004-5-27 617 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
  RSA192158  Cerastium glomeratum E. W. Lathrop 1960-3-24 4665 Riverside 14 miles W of Murrieta. Comment
  RSA264430  Cercidium floridum C. W. Tilforth, Jeff Barnes 1976-7-20 1216 Riverside Wash N of Power Line Road NE of Chiriaco Summit between Indio and Desert Center Comment
  RSA597527  Cercocarpus betuloides Louis C. Wheeler 1960-5-9 7690 Riverside Santa Rosa Mountains. Garnet Queen Mine. Comment
  UCR193970  Cercocarpus betuloides A. C. Sanders 2008-7-25 35916 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  CAS-BOT-BC135496  Cercocarpus betuloides var. betuloides K. Watkins; E. McClintock 1937-4-10 s.n. Riverside Palms to Pines Highway near road to Shumay Comment
  UCR91601  Cercocarpus betuloides var. betuloides D. L. Banks, Steve Boyd 1995-3-16 0109 Riverside Cleveland National Forest; Agua Tibia Wilderness Area. east of the Dripping Springs Alcove, north of Wildhorse Peak, on the Wildhorse Trail 625 Comment
  CSUSB1368  Cercocarpus minutiflorus Oscar F. Clarke, Andrew C. Sanders, D. Vossler 1975-7-23 Riverside Santa Ana Mountains Santa Ana Mountains, west of Murrieta on the side of a canyon along Tenaja Road, at elevation 1800 feet (just below Mesa De Burro). 548 Comment
  UCR67363  Cercocarpus minutiflorus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3962 Riverside Peninsular Range, Vail Lake area, westerly draining canyon at N base of 'Big' Oak Mtn. 674 Comment
  RSA543201  Chaenactis artemisiifolia Steve Boyd 1991-5-2 6101 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA586793  Chaenactis artemisiifolia Darin L. Banks, Steve Boyd 1995-5-3 0231 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
  UCR90351  Chaenactis artemisiifolia Scott D. White 1995-6-30 3436 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  CAS-BOT-BC276377  Chaenactis carphoclinia S. B. Parish 1916-5-15 10838 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  CAS-BOT-BC276401  Chaenactis carphoclinia Ynez Whilton Winblad 1937-3-17 s.n. Riverside Box Canyon Comment
  RSA668340  Chaenactis carphoclinia Carol R. Annable 1995-3-18 2302 Riverside Ca 11km N of Indio on road to Berdoo Canyon. 300 Comment
  RSA779581  Chaenactis carphoclinia Duncan S. Bell 2009-3-7 13 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  SBBG99384  Chaenactis carphoclinia W. L. Halvorson 1977-2-5 77 -21 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SEINET10801716  Chaenactis carphoclinia var. carphoclinia David B. Dunn 1947-3-16 Dunn 2907 Riverside Hill slope by quadrat IV. Pushawalla Canyon Biota. Indio Hills. Comment
  CAS-BOT-BC276918  Chaenactis fremontii F. H. Billings 1926-2-6 21 Riverside Desert near Palm Springs Comment
  RSA0124032  Chaenactis fremontii Duncan S. Bell, LeRoy Gross 2016-3-10 8877 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  UC472223  Chaenactis fremontii E. E. Schellenger 1911-4-25 Riverside Colorado Desert Comment
  UCR137685  Chaenactis fremontii G. A. Reese, S. Kaime 1998-4-6 4717 Riverside Sonoran (Colorado) Desert, Berdoo Canyon Jeep Trail, near Joshua Tree National Park boundary, 10 mi NE of Indio 725 Comment
  SEINET6808363  Chaenactis fremontii Unknown 1997-3-15 Riverside 10 miles S of Hovely; Hovely; 10 miles S of Comment
  SD227733  Chaenactis glabriuscula A. C. Sanders 1994-5-29 14546 Riverside San Bernardino Mountains: Morongo Indian Reservation, slopes among hills on the low pass between Millard Cyn. And Potero Cr 750 Comment
  CAS-BOT-BC277400  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1903-4-1 3800 Riverside Vicinity of Riverside 426 Comment
  CAS-BOT-BC277416  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1899-5-1 s.n. Riverside San Jacinto Mt. (Van de Venter's [Vandeventer]) 1371 Comment
  POM66585  Chaenactis glabriuscula var. lanosa Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  POM12915  Chaenactis parishii Philip A. Munz 1922-6-26 5835 Riverside Road to Santa Rosa. 1738 Comment
  RSA388777  Chaenactis parishii F. T. Sproul 1977-7-16 155 Riverside 1/2 way up trail to Garnet Pk. 1740 Comment
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Dec 3 2014
  UC535051  Chaenactis parishii Victor Duran 1933-7-1 3492 Riverside near Santa Rosa; Santa Rosa Mts. 1828 Comment
  RSA0039853  Chaenactis stevioides Duncan S. Bell, Evan Meyer 2014-4-2 6508 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA25309  Chaenactis stevioides C. L. Hitchcock 1940-3-29 5853 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  RSA667993  Chaenactis stevioides Carol R. Annable 1995-3-16 2298 Riverside Ca. 13 km NE of Desert center on Hwy 177. Comment
  RSA152512  Chaenactis stevioides var. stevioides R. C. Bacigalupi 1953-4-20 4039 Riverside Hwy 60-70, opposite Hayfield Dry Lake, 7 miles E of Shaver Summit. 442 Comment
  UCR201698  Chaetopappa aurea Scott D. White, Justin M. Wood 2008-5-15 11987 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR78337  Chaetopappa aurea D. E. Bramlet 1993-4-26 2335 Riverside Peninsular Range, Temecula, c. 4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  SEINET3102124  Chamaesyce abramsiana Marc A. Baker, Alice Karl 2011-10-5 17473 Riverside Just west of Black Creek Road, 8.7km northwest of the summit of McCoy Peak, 21km northwest of Blythe, lower bajada on the east flank of the McCoy Mountains. 170 Comment
  RSA0121601  Chamaesyce arizonica Duncan S. Bell, LeRoy Gross 2016-3-29 9101 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 513 Comment
  RSA0040027  Chamaesyce polycarpa Duncan S. Bell, Evan Meyer 2014-4-2 6501 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  SFV6313  Chamaesyce polycarpa T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 39 Riverside 4 miles south of Highway 111 on Highway 74. 305 Comment
  RSA432483B  Chamaesyce polycarpa var. hirtella G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms Colorado Desert Cal. Comment
  JOTR32633  Chamaesyce serpillifolia subsp. serpillifolia La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2556 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  JOTR33671  Chamaesyce setiloba La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 2661 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 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
  UCR96421  Cheilanthes covillei Scott D. White 1996-8-15 4460 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  CAS-BOT-BC70326  Cheilanthes parryi Marcus E. Jones 1925-12-21 s.n. Riverside Andreas Canyon Comment
  RSA0043063  Cheilanthes parryi Duncan S. Bell, LeRoy Gross 2014-3-20 6269 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UC424876  Cheilanthes parryi Milo S. Baker 1928-4-2 32926 Riverside Palm Canyon Comment
  UC494456  Cheilanthes parryi Philip A. Munz 1932-5-14 11987 Riverside Deep Canyon; Coachella Valley 91 Comment
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Feb 3 2013
  UC688907  Cheilanthes parryi John Thomas Howell 1927-8-1 2886 Riverside Morongo Canyon; Colorado Desert 609 Comment
  POM253821  Cheilanthes viscida A. M. Alexander, Louise Kellogg 1941-4-24 2083 Riverside cliff side of canyon; gorge of Dry Morongo Creek. 640 Comment
  SEINET7048179  Cheilanthes viscida Steven R. Hill 2001-5-3 33687 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  CSUSB1591  Chenopodium album Deborah Sullivan 1973-7-4 Riverside Glen Avon Glen Avon 243 Comment
  UCR133377  Chenopodium californicum Mitch Provance, J. S. Ross 1998-3-27 MOR- 989 Riverside San Bernardino Mtns., Morongo Indian Reservation, Deep Canyon, 2.5 miles NNE of Cabazon 732 Comment
  CLARK-A1528-5007  Chenopodium murale John C. Roos 1937-8-17 2408 Riverside San Jacinto Comment
  UCR193960  Chilopsis linearis A. C. Sanders 2008-7-25 35923 Riverside Interior South Coast; San Jacinto Valley, Gilman Springs Road at mouth of Massacre Canyon, 0.7 mi. NW of Gilman Hot Springs 467 Comment
  UCR64098  Chilopsis linearis Karen Bellinfante 1989-6-1 01 Riverside San Jacinto, Soboba Rd 0.5 mi east of intersection with Sanderson (Hwy 79) 549 Comment
  CAS-BOT-BC540727  Chilopsis linearis subsp. arcuata Sarah J. De Groot; Duncan S. Bell 2015-5-14 7373 Riverside White Water, along Pacific Crest Trail about 400 m S of Forks 3028, and abut 450 m S of Red Dome. SE side of San Bernardino Mtns. 768 Comment
  LA204150  Chilopsis linearis subsp. arcuata S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  SEINET13310687  Chilopsis linearis subsp. arcuata A. C. Sanders, Jim Malusa 2015-9-10 41841 Riverside Sonoran (Colorado) Desert: Salt Creek Canyon near top of alluvial fan, beside Summit Rd. c. 1.15 mi. below the old train trestle. 480 Comment
  JEPS58874  Chimaphila umbellata Carl V. Meyer 1928-6-14 451 Riverside canyon near Saunder's Meadow (San Jacinto Mt.); San Jacinto Mt. 1737 Comment
  UC218020  Chimaphila umbellata P. A. Munz 1922-7-7 6055 Riverside San Jacinto Mts., N. Fork Tahquitz Creek 2133 Comment
  RSA689682  Chloris virgata R. E. Riefner Jr. 2003-10-21 3 -459 Riverside Menifee Valley, along Newport Road 1 mile E of Goetz Road intersection 442 Comment
  SD227877  Chorizanthe brevicornu Scott D. White, Pam Devries 1998-2-9 6078 Riverside La Quinta / Palm Desert area: Whitewater River Channel at and near Miles Ave. crossing. USGS La Quinta 7.5' quad. 17 Comment
  POM2177  Chorizanthe brevicornu var. brevicornu I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  UCR48528  Chorizanthe coriacea Steve Boyd 1986-4-19 1697 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  UCR75074  Chorizanthe corrugata A. C. Sanders, E. J. Lawlor 1992-4-4 12135 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  JEPS57753  Chorizanthe leptotheca W. L. Jepson 1901-5-27 1479 Riverside between Cahuilla Valley and Aguanga 624 Comment
  JEPS57788  Chorizanthe leptotheca Frank W. Peirson 1925-5-20 6012 Riverside Aguanga Comment
  UCR217524  Chorizanthe leptotheca Jeff B. Galvin, Lauren Ross 2010-7-7 138 Riverside Palomar Mountains, Tule Valley, 0.1 miles north of Rogers Canyon, along Tule Peak Road 1291 Comment
  UCR98221  Chorizanthe leptotheca B. G. Pitzer, Stu Hemstreet 1992-5-21 1941 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
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Dec 28 2009
  RSA688841  Chorizanthe parryi var. parryi Scott D. White, Michael Honer 2003-6-17 9544 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  UCR22102  Chorizanthe parryi var. parryi Steve Boyd 1980-5-15 277 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UCR281786  Chorizanthe parryi var. parryi Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 103 Riverside Menifee Valley, Menifee, E side of Murrieta Rd., NE of intersection with Holland Rd. 463 Comment
  RSA585525  Chorizanthe polygonoides var. longispina D. L. Banks, S. D. Boyd 1995-5-9 390 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 701 Comment
  UCR189790  Chorizanthe polygonoides var. longispina Theresa Johnson 2006-5-10 084 Riverside Peninsular Range, Alberhill, old clay mine area off Coal Road, north of Terra Cotta 488 Comment
  UCR217498  Chorizanthe procumbens Diane Menuz 2008-4-17 422 Riverside Peninsular Range: Santa Ana Mts., Santa Rosa Plateau, near intersection of Tormo Trail and Sylvan Meadows Road 553 Comment
  HSC87145  Chorizanthe rigida Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2105 Riverside N end Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  HSC85292  Chorizanthe staticoides Steve Boyd 1986-5-1 1812 Riverside Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  SEINET2049586 Image available Chrysanthemum carinatum Claudia Petrie 1988-4-1 Riverside State University, Grown in experimental fields at U.C. Riverside. Comment
  RSA0094268  Chrysothamnus Duncan S. Bell 2015-9-30 8672 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  POM295631  Chrysothamnus teretifolius Lyman Benson 1952-12-29 15087 Riverside White Tanks, Joshua Tree National Monument, 915 Comment
  UCR279347  Chylismia brevipes A. C. Sanders, Jim Malusa 2017-3-23 42936 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 771 Comment
  UC310587  Chylismia brevipes subsp. brevipes Philip A. Munz 1926-1-31 9950 Riverside Dos Palmos Spring Colorado Desert Comment
  UC68583  Chylismia cardiophylla subsp. cardiophylla H. M. Hall Apr. 1905 5822 Riverside Indio Mt. Colorado Desert 152 Comment
  CAS-BOT-BC160626  Chylismia claviformis subsp. aurantiaca L. R. Abrams 1926-3-26 11083 Riverside Between Palm Springs and Indian Wells Comment
  CAS-BOT-BC160634  Chylismia claviformis subsp. aurantiaca Donald W. Kyhos 1964-3-1 64 -3 Riverside 0.7 miles from U. S. Highway 99 on road to Snow Creek 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
  UC1183579  Chylismia claviformis subsp. aurantiaca W. M. Klein 1958-2-11 38 Riverside between Cathedral City and Palm Village (on CA 111 to Indio) 96 Comment
  UC873936  Chylismia claviformis subsp. aurantiaca Ira L. Wiggins 1937-3-9 8764 Riverside dunes 20 mi n Indio Comment
  RSA797396  Cirsium acaulescens Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  RSA192008  Cirsium occidentale var. californicum E. W. Lathrop 1959-5-17 4562 Riverside 14 miles west of Murrieta. Comment
  RSA618420  Cirsium occidentale var. californicum D. L. Banks 1997-5-5 1956 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, approximately 60 m east of its intersection with Pechanga Creek 396 Comment
  UC1523626  Cirsium vulgare Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61280 Riverside near Murrieta-Guava St. roads (a few mi s of Murrieta); De Luz Arroyo 385 Comment
  RSA483570  Cistanthe monandra D. Charlton 1988-5-21 1952 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA4964  Cistanthe monandra C. B. Wolf 1932-4-27 3033 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
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Dec 11 2011
  SEINET10814947  Citrus Wright 1911-4-28 Wright 4827 Riverside Riverside Cal. Comment
  UCR158718  Clarkia purpurea A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30034 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
  RSA770694  Claytonia parviflora subsp. parviflora Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4795 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR20553  Claytonia parviflora subsp. viridis W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  RSA613462  Claytonia perfoliata D. L. Banks, Victor Steinmann 1997-3-13 1430 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR35072  Claytonia perfoliata subsp. perfoliata L. B. Ziegler 1969-5-15 357 Riverside San Jacinto Mtns., Hemet Valley 1418 Comment
  CLARK-A1045-96  Claytonia perfoliata var. parviflora George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains 6 miles west of Pine Cove; on dirt road between Pine Cove and North Fork of the San Jacinto River; ; San Jacinto Peak 7.5'Q 1676 Comment
  RSA650479  Clematis lasiantha G. Foster 1961-5-12 s.n. Riverside Idyllwild. Comment
  UCR115932  Clematis ligusticifolia Mitch Provance, S. D. Boyd 1999-9-14 1782 Riverside Riverside, Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  JOTR16830  Clematis pauciflora Wanrow, E. & Moore, Sue 1968-3-13 s.n. Riverside Joshua Tree National Park. BARKER DAM TRAIL, 200 YARDS SOUTH OF LAKE EDGE 1325 Comment
  POM8679  Clematis pauciflora P. A. Munz, Harwood 1920-2-28 3264 Riverside 2 mi. southwest of Corona. 305 Comment
  POM294294  Cleome isomeris Lyman Benson 1949-3-28 13583 Riverside 10 miles northeast of Palm Springs. Colorado Desert. 335 Comment
  RSA23235  Cleome isomeris Ernest Braunton 1940-4-3 2025 Riverside Berdoo Canyon, 10 mi. E. of Indio. 304 Comment
  RSA650744  Cleome isomeris R. J. Silva 1949-2-15 s.n. Riverside Found 15 mi. east of Beaumont. 716 Comment
  UC1595647  Collinsia concolor Steve Boyd, Orlando Mistretta 1991-5-22 6299 Riverside e Dorland Mtn (base of Agua Tibia Mtn, w of Kolb Crk); Vail Lake area, Agua Tibia Mtn 548 Comment
  UCR102835  Collinsia concolor A. C. Sanders 1997-4-3 20165 Riverside Lake Skinner area, hills NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  RSA408265  Collinsia heterophylla Anstruther Davidson s.n. Riverside Corona Comment
  UCR266404  Colubrina californica D. E. Bramlet 2001-6-4 3168 Riverside Sonoran (Colorado) Desert, 0.5 mile south of Eagle Mountain Substation, trestle area on Eagle Mountain Rd. 366 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
  UCR176669  Conyza bonariensis G. S. Nuessly 1980-10-19 s.n. Riverside Moreno Valley, U.C. Riverside, Moreno Field Station, east of Lasselle St. 457 Comment
  UCR106913  Conyza canadensis D. L. Banks 1996-11-5 1178 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, east of San Gabriel Church; along main road in the Reservation; c. 20 m east of its intersection with Pechanga Creek 393 Comment
  RSA191427  Conyza coulteri E. W. Lathrop, R. F. Thorne 1967-9-26 6603 Riverside 6 mi. NW of Murrieta, Tenaja Road at the pass entering valley leading to Tenaja Guard Station. 610 Comment
  CDA20751  Conyza sumatrensis R. W. Schaffer 2006-11-17 PDR 1262127 Riverside near Oasis St., Indio Ca. 0 Comment
  JEPS64319  Corallorhiza maculata Carl V. Meyer 1928-6-14 450 Riverside Fern Valley San Jacinto Mts. 1828 Comment
  UCR178323  Cordylanthus rigidus T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 616 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  SD229209  Cordylanthus rigidus subsp. setiger Dick Schwenkmeyer 2012-8-6 774 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  SEINET11837051  Coreopsis bigelovii S. B. Parish, Parish, W. F. 1881-1 224 Riverside Whitewater Riv Comment
  RSA612812  Coreopsis californica D. L. Banks 1997-3-1 1357 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the Fiesta Grounds to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  POM356170  Corethrogyne filaginifolia H. de Forest, Jack Rempel 1933-10-29 18687 Riverside Snow Creek Canyon, San Jacinto Mts. 526 Comment
  SBBG60528  Corethrogyne filaginifolia M. D. Clary 1928-7-7 Riverside Snow Crk, Mt San Jacinto Comment
  SD119917  Cornus nuttallii Louis B. Ziegler 1970-5-20 405 Riverside San Jacinto Mountains; North Fork of the San Jacinto River. 1675 Comment
  SDSU21793  Crassula aquatica Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3979 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  CAS-BOT-BC427776  Crassula connata L. R. Abrams 1941-4-24 13933 Riverside San Gorgonio Pass near Cabazon Comment
  UCR213279  Crassula connata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37692 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR96814  Crassula connata Scott D. White 1993-3-12 1179 Riverside Near Winchester 466 Comment
  CLARK-A1528-2611  Cressa truxillensis John C. Roos 1937-5-10 2074 Riverside Lake Elsinore Comment
  SD119916  Crocanthemum scoparium var. vulgare Louis B. Ziegler 1971-9-29 430 Riverside Hills west of Murrieta. 409 Comment
  CAS-BOT-BC181565  Crossosoma bigelovii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater, Colorado Desert 304 Comment
  JEPS13812  Crossosoma bigelovii Marjorie D. Clary 1932-1-22 657 Riverside sw Coral Reef (canyons at base of mts.); Santa Rosa Mountains, Coachella Valley Comment
  RSA397722  Crossosoma bigelovii N. R. Zabriskie, W. M. Zabriskie 1972-12-26 550 Riverside Andreas Canyon watershed, East slope San Jacinto Mtns. N slope of W ridge of North Canyon just below beginning of high ridge. 854 Comment
  SBBG2864  Crossosoma bigelovii H. and M. Dearing 1949-4-17 6754 Riverside Morongo Cyn 640 Comment
  RSA774894  Croton californicus Duncan S. Bell, Amber Swanson 2011-2-18 2025 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCR187280  Croton californicus Diane Menuz, Theresa Johnson 2006-6-15 157 Riverside Peninsular Range; San Jacinto Mtns, San Bernardino National Forest, Bautista Canyon, just off the road c. 1/2 mile below Bautista Spring 762 Comment
  UCR237489  Croton californicus Duncan S. Bell, Amber Swanson 2011-2-18 2025 Riverside Mojave Desert, Coachella Valey area, Edom Hill, along Edom Hill Road near dump, 0.6 road mi from junction with Varner Road 259 Comment
  UCR35108  Croton setiger L. B. Ziegler 1974-7-17 531 Riverside Foothills of San Jacinto Mtns, beside Poppet Flat Road 671 Comment
  UCR24005  Crypsis schoenoides John C. Roos 1969-11-22 s.n. Riverside San Jacinto Valley, east of Moreno. Quail Lake at the S end of Jack Rabbit Trail. 427 Comment
  RSA0124008  Cryptantha Duncan S. Bell, Thomas Stoughton 2016-4-13 9243 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  UCR214584  Cryptantha A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37863 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR234283  Cryptantha A. C. Sanders 2012-4-12 40034 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between El Hermano Rd. and I-15 crossing near Mayhew Canyon 311 Comment
  HSC82765  Cryptantha angustifolia Christopher Davidson, A. P. Romspert, Harvey Surprenant 1979-4-29 7811 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  POM368198  Cryptantha angustifolia D. A. Young 1969-3-28 342 Riverside At end of Hayfield Rd., S of Interstate Hiway 10. 305 Comment
  UCR214419  Cryptantha angustifolia A. C. Sanders 2010-3-15 37421 Riverside Sonoran (Colorado) Desert, western edge of Blythe near the airport, Black Rock Rd. near the Mesa Dr. and I-10 intersection 120 Comment
  UCR279538  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2017-3-27 43127 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Siphon 22 on the Coachella Canal, just inside Naval Aerial Gunnery Range boundary 23 Comment
  SJSU11357  Cryptantha barbigera A. N. Gillogly 1966-5-2 Riverside behind Univ of Calif Agricultural Extension Bldg, University of California 365 Comment
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Mar 27 2014
  UC1168707  Cryptantha barbigera Peter H. Raven 1958-3-16 11869 Riverside Fried Liver Wash Joshua Tree National Monument, Pinto Basin Comment
  UCR165812  Cryptantha barbigera John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR242120  Cryptantha barbigera Jim Andre 2011-2-9 15915 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  SDSU18686  Cryptantha barbigera var. barbigera Kristen Hasenstab, M. G. Simpson 2008-4-1 51 Riverside Joshua Tree National Park. 500 ft from Cottonwood Springs campground. 928 Comment
  JOTR29492  Cryptantha barbigera var. fergusoniae Andre, Jim, Tasha La Doux 2006-4-6 8148 Riverside Joshua Tree National Park. Approx. 50 m North of Keys View parking area 1552 Comment
  UCR260836  Cryptantha barbigera var. fergusoniae A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41517 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
  RSA0020314  Cryptantha circumscissa D. C. Pearson, W. E. Sawyer 1982-4-24 s.n. Riverside ~1mi So. I-10. Comment
  JOTR33864  Cryptantha costata La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3050 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps interspersed w/ basalt outcrops 349 Comment
  RSA781396  Cryptantha costata Duncan S. Bell 2010-5-1 912 Riverside Arica Mountains: northwest of mountain range, approximately 6.5 air miles southwest of the ghost town of Rice, and approximately 5 air miles northwest of Priests Well. 339 Comment
  UCR245642  Cryptantha dumetorum Duncan S. Bell 2010-4-2 700 Riverside Sonoran (Colorado) Desert, Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness; on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it 595 Comment
  RSA0040028  Cryptantha holoptera Duncan S. Bell, Evan Meyer 2014-4-2 6500 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR72244  Cryptantha holoptera Theo Glenn 1991-5-30 91- 113 Riverside Sonoran (Colorado) Desert, Mule Mtns, 0.2 mi. east of the Opal Hill Mine, just north of the Imperial County line and west of Palo Verde 200 Comment
  POM12900  Cryptantha intermedia P. A. Munz 1922-7-3 5950 Riverside Vandeventer Flat 1372 Comment
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May 1 2011
  RSA18948  Cryptantha intermedia Roxana S. Ferris, Ruth P. Rossbach 1938-5-20 9665 Riverside Foot of grade, State Highway #74, along San Jacinto River.[cismontane foothills -SDW 2006] Comment
  RSA488928  Cryptantha intermedia D. C. Hawks 1988-4-2 s.n. Riverside Tule Creek drainage, 1.75mile airline NE of Aguanga, SE of intersection of Dove and Sycamore Streets, S of Hwy 371. 762 Comment
  RSA517930  Cryptantha intermedia Steve Boyd 1986-3-1 1367 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  RSA559328  Cryptantha intermedia Steve Boyd, Tim Ross 1992-5-15 7414 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  RSA645677  Cryptantha intermedia Scott D. White 1999-5-2 7295 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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Feb 22 2008
  RSA659685  Cryptantha intermedia J. C. Roos 1947-3-21 3366 Riverside Plateau, Reche Canyon Comment
  UCD119851  Cryptantha intermedia Geoffrey Levin 1975-4-26 487 a Riverside Mayhew Canyon Wash, 1.5 miles southeast of Glen Ivy on Highway 71. 335 Comment
  UCR16096  Cryptantha intermedia Patty Bartoli 1978-4-2 s.n. Riverside San Jacinto Mtns/ San Jacinto Valley, 2.3 mi east of Hemet on Hwy 74 Comment
  POM9604  Cryptantha intermedia I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  RSA771753  Cryptantha intermedia var. intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4630 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC665862  Cryptantha maritima Ira L. Wiggins 1941-3-24 9579 Riverside 2.7 mi s Mortmar (along e side of Salton sea); Salton Sea Comment
  POM46810  Cryptantha maritima Mary F. Spencer 1920-4-7 1528 Riverside Palm Canyon, Colorado Desert 213 Comment
  RSA499648B  Cryptantha micrantha Anstruther Davidson 1926-3-1 s.n. Riverside Colorado Desert. Comment
  SEINET9315890  Cryptantha micrantha Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UCSB12462  Cryptantha micrantha Dearing, Hugh; Dearing, Margaret 1942-2-5 Riverside Cathedral City Comment
  POM12804  Cryptantha micrantha var. lepida P. A. Munz 1922-6-26 5839 Riverside Santa Rosa Mtns. Santa Rosa [peak?] 1982 Comment
  RSA659687  Cryptantha micrantha var. lepida J. C. Roos 1947-5-24 6194 Riverside San Jacinto Mtns., at the junction of Dark Canyon Camp Road with Idyllwild to Banning Road. Comment
  RSA741225  Cryptantha micrantha var. lepida Scott D. White, Justin M. Wood 2008-5-15 11980 Riverside Johnson Meadow. 1415 Comment
  POM47458  Cryptantha micrantha var. micrantha Mary F. Spencer 1918-4-13 844 Riverside Palm Springs. 137 Comment
  UCR134590  Cryptantha micrantha var. micrantha Marisa Sripracha, Kyle Boyd 2004-2-14 006 Riverside Sonoran (Colorado) Desert, Snow Creek, 25 m from Snow Creek Road, 0.7 km south of Hwy 111 352 Comment
  UCR165406  Cryptantha microstachys A. C. Sanders 2005-4-21 29569 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR271409  Cryptantha muricata John F. Emmel 2001-6-9 1716 Riverside San Jacinto Mountains, Chalk Hill, south-southwest of Idyllwild 1524 Comment
  RSA0079247  Cryptantha muricata var. jonesii Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4457 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  POM305855A  Cryptantha oxygona Henry J. Ramsey, Henry J. Ramsey 1938-4-23 1165 -A Riverside Santa Rosa Mtns. Comment
  JOTR28811  Cryptantha pterocarya La Doux, Tasha, Bill Truesdell 2004-3-11 1079 Riverside Joshua Tree National Park. Pinto Basin; Sand Hills 530 Comment
  UC24726  Cryptantha pterocarya W. G. Wright 1889-1 1770 Riverside Colorado Desert Comment
  UCR84844  Cryptantha pterocarya var. pterocarya A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16134 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR115350  Cryptantha pterocarya var. purpusii A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16293 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  RSA659692  Cryptantha racemosa J. C. Roos 1948-5-1 3815 Riverside Whitewater. 610 Comment
  UC604894  Cryptantha racemosa Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9575 Riverside 2 mi up Painted Canyon; Mecca Hills Comment
  RSA682851  Cryptantha utahensis Scott D. White 2003-3-23 8845 Riverside Santa Rosa Mountains: Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  UC180109  Cryptantha utahensis Charlotte M. Wilder 1907-4-9 870 Riverside from Palm to Murray Canyon (below junction of washes); Colorado Desert Comment
  UCR16097  Cryptantha utahensis Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon Road, 1 mi. north of Painted Canyon Road and 5 mi. north of Mecca. Comment
  CLARK-A1528-2662  Cupressus stephensonii John C. Roos 1962-5-19 Riverside Loma Linda Comment
  POM3647  Cuscuta californica I. M. Johnston 1917-6-5 1255 Riverside Hills south of Arlington 366 Comment
  CAS-BOT-BC224605  Cuscuta californica var. papillosa D. A. Johansen; J. A. Ewan 1932-4-11 7095 Riverside Deep Canyon Wash, Colorado Desert Comment
  UC907578  Cuscuta californica var. papillosa Mary L. Bowerman 1950-3-20 4319 Riverside 1.6 mi sw Palms-to-Pines highway junction with Palm Springs highway (where outcrop by road, nw of Palms-to-Pines highway) 152 Comment
  RSA0097552  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18296 Riverside Chuckwalla Mountains, Corn Springs Wash, 3.3 km WNW of Corn Spring, 70 km west of Blythe. 579 Comment
  SEINET4604367 Image available Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17729 Riverside Chuckwalla Mountains, Corn Springs Wash, 5km west of Aztec Well, 74km east of Indio 760 Comment
  SEINET5624465 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .5 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  UCR244312  Cynanchum utahense Jim Andre 2012-4-15 20848 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCR72164  Cynanchum utahense Theo Glenn 1991-5-8 91- 84 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  RSA771109  Cynodon dactylon Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4729 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 W116.65122 604 Comment
  SDSU13535  Cynodon dactylon W. Miller with C. Mosse 1972-7-11 Riverside Dam. Comment
  UCR189292  Cyperus difformis Fred M. Roberts, S. Leatherman 2007-9-19 6597 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR59692  Cyperus erythrorhizos Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3540 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  SD71769  Cyperus involucratus Helen V. Witham 1969-7-2 188 Riverside De Luz Creek crossing; 4 miles north of De Luz; colonized along creek. 249 Comment
  UCR115347  Cyperus involucratus A. C. Sanders, Steve Boyd 2000-11-30 23726 Riverside San Bernardino Valley/ upper Santa Ana River region, Riverside; Box Springs Mtns. foothills, Box Springs Canyon above Sheriff's Academy, north of Central Ave. 396 Comment
  UCR199671  Cyperus odoratus Scott D. White, Lynn Stafford 2007-7-5 11756 Riverside Chino Hills State Park, Santa Ana River floodplain just blow Prado Dam 137 Comment
  UCR119808  Cyperus squarrosus A. C. Sanders, T. B. Salvato, E. J. Lawlor, C. L. Sanders, et al 1999-8-22 23063 Riverside San Jacinto Mtns., NW shore of Lake Hemet, at Forest Service day use area 1322 Comment
  UCR115345  Cyrtomium falcatum A. C. Sanders, Steve Boyd 2000-11-30 23727 Riverside San Bernardino Valley/ upper Santa Ana River region, Riverside; Box Springs Mtns. foothills, Box Springs Canyon above Sheriff's Academy, north of Central Ave. 396 Comment
  CDA9780  Dactyloctenium aegyptium D. Domenigoni, David Crowder 2007-9-17 PDR# 1360845 Riverside Buck Mesa, Temecula; North of Rancho California, east of Anza Rd. Comment
  SD227809  Dalea mollis Scott D. White, Pam Devries 1998-3-3 6087 Riverside coachella Valley, La Qunita/Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing. 29 Comment
  SEINET5327086  Dalea mollis H. M. Hall 1905-1 5792 Riverside Colorado Desert; 9 mi W of Coachella 30 Comment
  UCD65759  Dasyochloa pulchella F. M. Reed 1927-3-19 5438 Riverside near Riverside, Salt Creek Wash, upper fork. Comment
  RSA564025  Datisca glomerata M. A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Along Tahquitz Creek and behind the debris basin dam in Palm Springs. 183 Comment
  SBBG133353  Datisca glomerata S. D. White, A. Carey, L. Archa 2004-8-5 10674 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Creek from confluence w/ San Jacinto River to +/- 2 mi upstream. 534 Comment
  RSA512137  Datura wrightii Ed LaRue 1989-4-20 s.n. Riverside Moreo Valley, old Riverside International Raceway, on Day Street, ca. 1/2 mi. S. of Hwy 60. Comment
  SDSU13537  Datura wrightii W. Miller 1972-8-9 Riverside Comment
  RSA263731  Daucus pusillus E. W. Lathrop 1966-5-8 6517 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA500206  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3538 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR213447  Daucus pusillus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37802 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  UC63228  Deinandra fasciculata H. M. Hall May 17 1901-Jun 1 1901 1975 Riverside near Elsinore 365 Comment
  UCR151203  Deinandra mohavensis Scott D. White 2000-10-20 8136 Riverside Peninsular Ranges; Perris-Aguanga Basin region, South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 671 Comment
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Jan 8 2013
  RSA16362  Delphinium cardinale Percy C. Everett 1935-6-17 7170 Riverside Temescal canyon, between Corona- Elsinore Highway and Glen Ivy Resort. 366 Comment
  RSA0018985  Delphinium parishii subsp. parishii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10473 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
  RSA525676  Delphinium parryi Steve Boyd 1990-5-3 4548 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR102837  Delphinium parryi A. C. Sanders 1997-4-3 20176 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  RSA772863  Dendromecon rigida Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4815 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
  SD137697  Dendromecon rigida Darin L. Banks, Steve Boyd 1995-5-3 197 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UC1287009  Dendromecon rigida C. L. Hitchcock 1966-3-15 24160 Riverside in wash 3 mi e Glen Ivy Hot Springs Comment
  SBBG104101  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside western edge of Hemet, along S side of Devonshire Ave, SW of Tres Cerritos, N of St Hwy 74 460 Comment
  UCR97270  Deschampsia danthonioides var. gracilis Scott D. White 1993-4-30 1319 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  RSA651377  Descurainia pinnata subsp. glabra William Gilbert 1969-5-24 s.n. Riverside Pinon Flats Camp, Hwy. 74. Comment
  SD137696  Dicentra chrysantha Darin L. Banks 1995-4-11 183 Riverside East of the Dripping Springs Alcove Area, along the Dripping Springs Trail. 694 Comment
  OBI26028  Dicoria canescens David J. Keil 1977-1-2 11935 Riverside W of Blythe along I-10 Comment
  SBBG34737  Dicoria canescens T. L. Secrest 1950-3-12 Riverside near Indio Comment
  SBBG8045  Dicoria canescens H. and M. Dearing 1940-11-10 5014 Riverside near Whitewater Comment
  UCR109774  Dicoria canescens R. D. Goeden, Don W. Ricker 1985-10-12 s.n. Riverside Sonoran Desert, c. 7 mi. south of Granite Pass, west side of Desert Center-Rice Road (Hwy 177), 21.8 miles north of Desert Center, 5.1 miles south of junction with Highway 62 285 Comment
  UCSB7955  Dicoria canescens Dearing, Hugh; Dearing, Margaret 1939-11-12 Riverside W. Colorado Desert Comment
  RSA626156  Dinebra retroflexa R. E. Riefner 1999-3-15 99 -162 Riverside Hemet, Bautista Road and Fairview Street. Comment
  SDSU13004  Diplachne fusca var. uninervia Michael G. Simpson 1999-10-27 2046 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SD137606  Diplacus aurantiacus Darin L. Banks, Steve Boyd 1995-6-2 560 Riverside Cleveland National Forest; Agua Tibia Wilderness area; N face of N peak of Agua Tibia Mountain; on Woodchuck Trail N of the Riverside County boundary, ca Ao mi S of the clay grasslands 901 Comment
  SD137607  Diplacus aurantiacus Darin L. Banks, Steve Boyd 1995-6-2 558 Riverside Cleveland National Forest; Agua Tibia Wilderness area N face of N peak of Agua Tibia Mountain; on Woodchuck Trail N of the Riverside County boundary Ao mi S of clay grasslands 901 Comment
  CAS-BOT-BC152911  Diplacus brevipes Cecil Hart 1922-5-21 15 Riverside San Jacinto Pk. Comment
  CAS-BOT-BC195680  Distichlis spicata Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  UCR140724  Distichlis spicata A. C. Sanders 2004-5-12 27879 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR72236  Ditaxis lanceolata Theo Glenn 1991-5-27 91- 122 Riverside Sonoran (Colorado) Desert, Palen Mountains, NE of Desert Center 360 Comment
  RSA690986  Ditaxis neomexicana Scott D. White, Michael Honer 2003-5-15 9309 Riverside Bajada below Little Maria/ Big Maria Mtns. near Inca RR siding, ca. 15 air miles NW of Blythe. 61 Comment
  RSA782196  Ditaxis neomexicana Duncan S. Bell 2011-10-22 2983 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
  UCR74376  Ditaxis neomexicana Theo Glenn 1991-5-1 91- 47 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  SEINET3167268  Dithyrea californica R. W. Spellenberg, N. Zucker 2005-2-14 13497 Riverside 50 km NW of Blythe on Midway Rd., 5km NW of Midway. 14 km SE of Rice 50 Comment
  UC186810  Dithyrea californica S. B. and W. F. Parish April 1882 15 Riverside Whitewater, borders of the Colorado Desert Colorado Desert Comment
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Jul 15 2009
  UC472687  Dithyrea californica M. F. Spencer 1918-3-28 Riverside near Palm Springs; Colorado Desert 100 Comment
  UCR17077  Dithyrea californica James K. Ryan 1969-3-15 52 Riverside Sonoran (Colorado) Desert, Windy Point, off Hwy 111 between Banning and Palm Springs c. 8 mi NE of Palm Springs (only point where mtn ridge reaches hwy), Coachella Valley 152 Comment
  RSA586867  Dodecahema leptoceras D. L. Banks, S. D. Boyd 1995-5-3 286 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
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Mar 30 2011
  CAS-BOT-BC136109  Dodecatheon alpinum H. M. Hall 1897-8-11 801 Riverside Tahquitz [Tauquitz] Valley - San Jacinto Mountains 2499 Comment
  UCR138645  Dodecatheon clevelandii subsp. clevelandii D. L. Banks 1997-2-17 1274 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
  UCR138806  Dodecatheon clevelandii subsp. clevelandii D. L. Banks, J. Moreno 1997-2-5 1249 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  UCSB25311  Dodecatheon redolens Gliessman, Stephen 1968-7-11 Riverside Boggy Meadows, 1.4 miles north of Deer Springs Camp, San Jacinto Mountains. 2804 Comment
  UCR222296  Downingia cuspidata R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55199 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  CSUSB810  Draba cuneifolia James K. Ryan 1969-3-26 23 Riverside 100 feet uphill beyond Canyon Reservoir at end of Blaine street 426 Comment
  UC12541  Drymocallis glandulosa var. viscida H. M. Hall June, 1901 2039 Riverside meadows in the vicinity Strawberry Valley (Shingle Valley); San Jacinto Mountains, vicin Strawberry Valley 1341 Comment
  IRVC144  Dryopteris arguta Ken Ellis 1965-4-24 HS 529 Riverside Ortega Highway; Upper San Juan Creek Camp. Santa Ana Mountains Comment
  SDSU13553  Dryopteris arguta W. Miller with C. Mosse 1972-7-11 Riverside Comment
  UCR156282  Dudleya lanceolata T. B. Salvato, Kent Beaman 2005-5-16 826 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
  UC115216  Dudleya multicaulis Charlotte M. Wilder 1905-6-1 583 Riverside West Riverside Comment
  UCR78336  Dudleya multicaulis D. E. Bramlet 1993-5-5 2338 Riverside tributary to Olsen Canyon, c. 76m south of the canyon, and 90m east of the existing dirt road, c. 213m NE of the existing El Sobrante Landfill 375 Comment
  JOTR31151  Dudleya saxosa subsp. aloides La Doux, Tasha 2009-6-3 1860 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  RSA0016840  Dudleya saxosa subsp. aloides E. R. Blakley 1993-5-20 7658 Riverside Pinto Mountains, E of White Tank Campground, Joshua Tree National Monument. 762 Comment
  POM356493  Dyssodia porophylloides Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  SEINET8060006 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-8 5 Riverside 3.8mi down Eagle Mt. Rd. off I-10. SE side of the road. 400 Comment
  SEINET8060926 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 13 Riverside Barstow SE quad. Barstow Rd. entry to BLM limited use land. N of saloon. West side of Rd. on low hill. Stoddard Valley. between power lines to the south, and double power lines to the north. Directly under power lines, near base of tower. West of the hill 900 Comment
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Jun 5 2016
  CDA1982  Echinochloa colona T. C. Fuller 1970-10-7 19799 Riverside Palo Verde Valley, southwest of Blythe. 0 Comment
  UC1100271  Echinochloa colona Malcolm A. Nobs and S. Galen Smith 1948-9-3 488 Riverside 2 mi n Indio; Imperial Valley Comment
  CSUSB1172  Echinochloa crus-galli Debbie Vigneault 1974-7-17 Riverside Santa Ana River Santa Ana River bottom, near Van Buren Bridge. 259 Comment
  UC39152  Echinochloa crus-galli E. L. Koethen 1897-8-12 8 Riverside Riverside Comment
  SD146025  Eclipta prostrata A. C. Sanders, Mitch Provance 1999-9-26 23117 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi south-east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi south of Eden Hot Spring 433 Comment
  UCR189551  Eclipta prostrata Fred M. Roberts, S. Leatherman 2007-9-19 6578 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  CAS-BOT-BC113604  Eleocharis acicularis Frederick Morris Reed 1908-7-12 2480 Riverside Lake Surprise, San Jacinto Mts. 2743 Comment
  UCR15635  Eleocharis bella George K. Helmkamp 1978-6-1 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau, vernal pool 7 mi [west] of Murrieta near the origin of DeLuz Creek 671 Comment
  RSA289841  Eleocharis parishii B. A. Prigge 1980-9-17 4073 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  SEINET3840902  Eleusine indica Unknown 2006-9-18 PDR 1357285 (B) Riverside Temecula, Island Growers, 43401 Anza Road Comment
  SBBG46418  Encelia actoni Leota Davidson 1966-4-2 289 Riverside US Hwy 60, ca. 4 mi W of Garnet 304 Comment
  SD216463  Encelia actoni Jay B. Walker 1995-5-3 1407 Riverside South of Palm Desert along Highway 74, 3 kilometers East of Pinyon Flats Campground. 1200 Comment
  CAS-BOT-BC131331  Encelia farinosa J. H. Thomas 1949-2-28 61 Riverside Southern part of Palm Springs Comment
  JEPS23539  Encelia farinosa Peter H. Raven 1958-2-15 11585 Riverside along U. S. Highway 60 (8.7 mi e of road to Wiley Wells) Comment
  LA202447  Encelia farinosa A. M. Johnson; 1932-3-20 3904 Riverside Indian Wells, below Palm Springs Comment
  UC472863  Encelia farinosa M. F. Spencer 1922-4-2 Riverside Colorado Desert; Desert Floor, Palm Springs Comment
  RSA515197  Encelia farinosa var. farinosa Steve Boyd 1986-3-13 1466 Riverside West side Palen Mts.: NE of Desert Center. Comment
  JOTR32655  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
  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
  POM14278  Ephedra californica Philip A. Munz, I. M. Johnston 1922-5-7 5286 Riverside Between Whitewater & Mission Creeks. Dry rocky mesa. 366 Comment
  POM303741  Ephedra californica Lyman Benson 1946-4-15 12040 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  SEINET3866917  Ephedra californica Lewis S. Rose 1955-3-14 55028 Riverside Whitewater Wash. 3 mi. se. of Palm Springs Station.; 0 305 Comment
  UCR91062  Ephedra nevadensis Bern Schwenn 1994-2-20 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, Little San Bernardino Mtns. 'Hidden Gold' Canyon near the Hidden Gold Mine. Along a wash edge in S18. 915 Comment
  CAS-BOT-BC81861  Ephedra trifurca Carl B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  SEINET5585522  Ephedra trifurca Duncan S. Bell 2009-1 222 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  POM179210  Ephedra trifurca Philip A. Munz 1941-4-5 16693 Riverside Sand dunes southeast of Iron Mts. Comment
  CLARK-A1528-649  Epilobium adenocaulon Frank C. Vasek 1964-6-24 640624-1 Riverside University of California Comment
  UCR281112  Epilobium campestre Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-23 517- 28 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  UCR13722  Epilobium canum N. R. Zabriskie, W. W. Zabriskie 1972-10-22 547 Riverside Santa Rosa Mtns., Cactus Spring Trail, between Dolomite mine and Horsethief Canyon 1098 Comment
  UCR163893  Epilobium canum B. G. Pitzer 2001-8-19 4341 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  JOTR32640  Epilobium canum subsp. latifolium La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2561 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  RSA314465  Epilobium canum subsp. latifolium Robert F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55401 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  UC20677  Epilobium canum subsp. latifolium H. M. Hall 1901-6 2503 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  RSA9685  Epilobium canum subsp. latifolium Louis C. Wheeler 1931-10-3 197 Riverside Strawberry-Tahquitz Valley Trail, San Jacinto Mountains. 2348 Comment
  POM122779  Epipactis gigantea Marcus E. Jones 1926-6-20 s.n. Riverside Near Banning. Comment
  RSA324165  Epipactis gigantea George Henry Grinnell 1921-5-20 s.n. Riverside Riverside. Comment
  POM11736  Equisetum laevigatum P. A. Munz, I. M. Johnston 1922-5-21 5482 Riverside Kenworthy, San Jacinto Mountains 1418 Comment
  SD137996  Equisetum laevigatum Darin L. Banks, Steve Boyd 1995-5-4 302 Riverside North slope of Agua Tibia Mountain, east of Dripping Springs Alcove area, north of Wildhorse Trail, along Arroyo Seco 598 Comment
  RSA763419  Eragrostis Justin M. Wood, Brandy Wood 2009-7-4 1043 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  IRVC27429  Eragrostis barrelieri A. C. Sanders, S. Ogg 1994-7-28 15168 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UCR265591  Eragrostis cilianensis Jordan Zylstra 2014-7-6 14017 Riverside San Jacinto Mountains, Fobes Canyon 1524 Comment
  RSA77199  Eremalche exilis F. W. Peirson 1914-04 2300 Riverside Whitewater at head of Coachella Valley. Comment
  UC2031361  Eremalche exilis Duncan S. Bell with Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, and Gene Ratcliff 2013-4-7 4765 Riverside E side of Arica Mountains; W side of Rice Valley approx. 6 air miles SE of the ghost town of Rice or approx. 5.3 air miles E of Priests Well. Comment
  RSA0047091  Eremalche rotundifolia Aaron C. Sedgwick, David Fraker 2012-3-28 26 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SD113836  Eremalche rotundifolia Darley F. Howe 1949-3-21 1972 Riverside 5.0 miles west of Blythe. Comment
  UCR112092  Eremalche rotundifolia A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23366 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR148462  Eremalche rotundifolia S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UC310586  Eremothera refracta Philip A. Munz 1926-1-31 9947 Riverside Dos Palmos Spring Colorado Desert Comment
  UCSB25712  Eriastrum densifolium subsp. austromontanum Gliessman, Stephen 1968-7-17 Riverside Little Thomas Mountain Road, 2.0 miles southwest of junction with Highway 74, Little Thomas Mountain 1402 Comment
  UCR19159  Eriastrum densifolium subsp. densifolium John C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mtns., Dos Palmas Spring Comment
  CLARK-A1045-111  Eriastrum densifolium subsp. elongatum George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep canyon; Palm Desert 15'Q Comment
  SEINET3245748  Eriastrum eremicum Peter L. Morrell, D. E. Krause 1995-1 460 Riverside Sonoran (Colorado) Desert: Coachella Valley, NW corner of Baristo Rd. and El Cielo Rd. near cargo entrance to Palm Springs Municipal Airport (Palm Springs 7.5') 123 Comment
  JOTR33874  Eriastrum harwoodii La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3049 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps interspersed w/ basalt outcrops 349 Comment
  SEINET14591761  Eriastrum harwoodii N. H. Holmgren, P. K. Holmgren, R. E. Kern 1973-1 6473 Riverside Rice Valley, 3.5 miles SSW of Rice. 244 Comment
  JEPS69113  Eriastrum sapphirinum W. L. Jepson 1901-5-31 1574 Riverside Temescal Wash 335 Comment
  UCR140741  Eriastrum sapphirinum A. C. Sanders 2004-5-11 27852 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  UCR251988  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato 2014-7-2 41165 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR58302  Eriastrum sapphirinum George K. Helmkamp 1989-10-7 s.n. Riverside San Jacinto Mtns, N slope of Thomas Mtn, 1 mi. SW of Hwy 74 on Thomas Mtn Road 1500 Comment
  RSA0122013  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4591 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  CAS-BOT-BC515042  Eriastrum sapphirinum subsp. sapphirinum G. B. Grant 1901-8-1 11989 Riverside San Jacinto Mts., Strawberry Valley Comment
  SEINET3858674 Image available Eriastrum sparsiflorum Leila M. Shultz, John S. Shultz 1985-4-16 8256 Riverside Chuckawalla Valley, east of Chuckwalla Mountains 122 Comment
  UC1861747  Ericameria brachylepis Scott D. White 2004-10-8 10774 Riverside Peninsular Ranges: Black Hills southeast of Lake Skinner and north of Oak Mountain. 609 Comment
  UCR150031  Ericameria cuneata Scott D. White 2000-11-16 8153 Riverside San Jacinto Mtns, North of Alvin Meadow near USFS Road 5S10 (Red Hill Road) 1677 Comment
  SDSU18668  Ericameria linearifolia Michael G. Simpson, Kristen Hasenstab 2008-4-2 2954 Riverside Joshua Tree National Park. Southeastern end of Hidden Valley. 1305 Comment
  RSA655081  Ericameria palmeri var. pachylepis Scott D. White 1999-10-7 7624 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  CAS-BOT-BC299535  Ericameria paniculata J. C. Roos 1965-11-6 s.n. Riverside Whitewater 304 Comment
  CAS-BOT-BC299542  Ericameria paniculata Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  RSA782141  Ericameria paniculata Stephanie Rockwood, Christi Gabriel 2011-10-18 145 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 99 Comment
  SDSU13672  Erigeron canadensis W. Miller with C. Mosse 1972-8-9 Riverside Comment
  SBBG53763  Erigeron foliosus var. foliosus S. Boyd 1980-5-11 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  JOTR32351  Erigeron parishii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2467 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
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May 18 2013
  UCR240769  Erigeron philadelphicus Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 228 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  CLARK-A1528-4622  Eriochloa acuminata John C. Roos 1937-11-28 Riverside Riverside Comment
  SD229193  Eriodictyon crassifolium var. crassifolium Dick Schwenkmeyer 2012-10-16 847 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UCR123820  Eriodictyon crassifolium var. crassifolium Steven R. Hill 2001-5-3 33674 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
  SBBG34234  Eriodictyon crassifolium var. nigrescens T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns Comment
  SBBG65116  Eriodictyon crassifolium var. nigrescens V. Duran 1933-7-1 3489 Riverside near Santa Rosa 1676 Comment
  RSA770680  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4757 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65120 604 Comment
  POM184032  Eriogonum apiculatum P. A. Munz 1932-10-16 12846 Riverside Santa Rosa Mountains: road from Indio to Vandeventer Flat. 1159 Comment
  RSA783744  Eriogonum apiculatum J. D. Olmsted 1959-7-7 757 Riverside Drainage area to Tahquitz Creek. Just NE of north lobe of Skunk Cabbage Meadow E-NE of Idyllwild. 2424 Comment
  SEINET4560254  Eriogonum apiculatum Louis Wheeler 1945-1 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  CAS-BOT-BC242787  Eriogonum davidsonii Louis C. Wheeler 1931-10-2 178 Riverside Hemet-Idyllwild road, San Jacinto Mts. 1371 Comment
  RSA639700  Eriogonum davidsonii Scott D. White, Dave Flietner 1998-12-2 7194 Riverside Temescal Canyon - Lake Elsinore area. 365 Comment
  UCR133450  Eriogonum davidsonii Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 476 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  POM306184  Eriogonum deflexum var. deflexum Henry J. Ramsey, Henry J. Ramsey 1939-11-28 s.n. Riverside Indio-(20 mi. east) Comment
  RSA777721  Eriogonum deflexum var. deflexum Jim Andre, G. L. Clifton 2011-2-22 17415 Riverside Mecca Hills; along Box Canyon Road, 5.5 miles NE of town of Mecca 52 Comment
  CLARK-A1528-3733  Eriogonum elongatum John C. Roos 1975-12-6 Riverside 1219 Comment
  POM13305  Eriogonum elongatum E. C. Jaeger 1069 Riverside Cabazon. Comment
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Mar 13 2011
  RSA314467  Eriogonum elongatum Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55385 Riverside San Bernardino Mountains: Side-canyon on east side of Whitewater Canyon, about 3.3 miles north of Whitewater Post Office (One-Palm Oasis Canyon). 595 Comment
  RSA736737  Eriogonum elongatum Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10683 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  SDSU6569  Eriogonum fasciculatum T. B. Bruhns 1966-6-30 276 Riverside Along road, S side of Lake Mathews. 2N-40 Comment
  JOTR32469  Eriogonum fasciculatum var. flavoviride Herskovits, Tasya, M. Harding 2011-5-20 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Rocky slopes bordering Ryan Mountain Trail (Stop 1) 1428 Comment
  POM115625  Eriogonum fasciculatum var. flavoviride Louise Kellogg, Annie M. Alexander 1941-5-15 2190 Riverside North base of Eagle Mountains. 1159 Comment
  RSA715451  Eriogonum fasciculatum var. foliolosum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32668 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279. 579 Comment
  POM197991  Eriogonum fasciculatum var. polifolium Donald A. Johansen, J. A. Ewan 1932-4-10 7048 Riverside Warrens Ranch at Whitewater. Comment
  RSA181273  Eriogonum fasciculatum var. polifolium John H. Thomas 1949-4-24 s.n. Riverside 2 miles east of Whitewater, between Banning and Indio. Comment
  RSA393343  Eriogonum fasciculatum var. polifolium H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  RSA766104  Eriogonum fasciculatum var. polifolium Marjorie D. Clary 1932-5-22 1027 Riverside Berdoo Canyon, Little San Bernardino Mts. 1159 Comment
  CAS-BOT-BC253491  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-6 2843 Riverside Along California Highway 74, 3 miles southwest of Elsinore at the north end of Elsinore Mountains about 0.6 mile southwest of the turnoff to Lakeland Village Comment
  UCR154460  Eriogonum gracile Jason L. Hlebakos 2005-5-30 801 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UC85853  Eriogonum inflatum var. deflatum C. R. Orcutt 1890-1 2032 Riverside Indian Wells Comment
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Sep 23 2009
  UC667355  Eriogonum nidularium Annie M. Alexander and Louise Kellogg 1941-5-15 2188 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  RSA0107854  Eriogonum reniforme Duncan S. Bell, Amanda Turek 2009-3-30 162 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  JEPS56189  Eriogonum thomasii W. L. Jepson 1927-4-13 11689 Riverside Mouth of Painted Canyon Mecca Hills, Painted Canyon 45 Comment
  JOTR35212  Eriogonum thomasii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3636 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash, west of Pinkham Canyon Road; sandy gravel flats near road (Stop 1) Comment
  RSA0107796  Eriogonum thomasii Duncan S. Bell, Amanda Turek 2009-3-30 176 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  SD125509  Eriogonum thomasii Steven A. Junak 1983-3-23 1635 Riverside East side of Jefferson Road, across from the entrance to Cahuilla Lake County Park, south of Indio Comment
  SEINET3087249 Image available Eriogonum thomasii Norman C. Cooper 1949-4-8 3247 Riverside Mecca Pass east of Indio. Comment
  UCSB18464  Eriogonum thomasii Winn, Will 1963-4-8 Riverside U.S. Highway 60-70; 29.2 miles W of Desert Center 304 Comment
  CAS-BOT-BC262869  Eriogonum thurberi Peter H. Raven; Sidney R. Snow 1956-6-30 9542 Riverside 1.7 miles west of Dripping Springs Guard Station on road to Temecula Comment
  RSA653433  Eriogonum thurberi Scott D. White 1999-5-24 7396 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  SBBG35003  Eriogonum thurberi T. L. Secrest 1951-5-18 Riverside E of Hemet, San Jacinto River Comment
  RSA297402  Eriogonum wrightii var. nodosum Larry E. DeBuhr 1977-5-6 2587 Riverside Whitewater Canyon, ca. 4.5 miles N from I-10. Comment
  CDA21219  Erioneuron pulchellum G. F. Hrusa, J. A. Hart 1993-4-4 10595 Riverside Cholla Garden, Joshua Tree N.M. Comment
  SJSU4297  Eriophyllum ambiguum var. paleaceum G. B. Youngberg 1956-3-28 195 Riverside Palm Canyon near Palm Springs 228 Comment
  RSA249829  Eriophyllum confertiflorum R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38076 Riverside San Jacinto Mountains: San Bernardino National Forest. Hilltop above Lake Fulmor. 1676 Comment
  LA203532  Eriophyllum confertiflorum var. confertiflorum Elizabeth McClintock; 1940-5-19 sn Riverside about 0.25 mi. from Pines to Palms Highway, on Santa Rosa Mt. Road Comment
  POM358077  Eriophyllum multicaule E. Crow 1929-04 337 Riverside N of Alberhill. Comment
  SEINET7073292  Eriophyllum multicaule A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR16868  Eriophyllum multicaule R. Gagnon 1968-4-13 680413- 01 Riverside Box Springs Mtns, Box Springs Mtns., Pigeon Pass, 3.5 mi. from radio towers along road going up to the towers Comment
  UCR88584  Eriophyllum multicaule A. C. Sanders, J. C. Lyman 1995-4-16 16559 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  JEPS30442  Eriophyllum wallacei Peter H. Raven 1958-3-16 11871 Riverside 4.3 mi e Cholla Cactus Garden; Joshua Tree National Monument Comment
  OBI8136  Eriophyllum wallacei David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12068 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 5.5 mi N of Cottonwood campgrounds Comment
  RSA757630  Eriophyllum wallacei LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4324 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
  SD73607  Eriophyllum wallacei Helen V. Witham 1970-4-29 821 Riverside 22 miles east of Lake Hemet. 1000 Comment
  UCSB9755  Eriophyllum wallacei Haller, John 1957-3-23 Riverside Morongo wash, ca. 4.5 road miles N. of U.S. 99, and 3 air miles S. of Riverside-San Bernardino co. line 609 Comment
  RSA645532  Erodium botrys Scott D. White 1993-3-12 1138 Riverside San Bernardino Basin: San Jacinto Valley: Perris Valley Pipeline. 439 Comment
  RSA753483  Erodium cicutarium Scott D. White, Justin M. Wood 2009-5-21 12850 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  RSA614122  Erodium cicutarium D. L. Banks 1997-2-23 1289 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  SEINET4326803 Image available Erysimum capitatum Carl B. Wolf 1932-8-4 Riverside Peninsular Ranges: San Jacinto Mtns; Point View near Idyllwild [= Vista Grande?] 1646 Comment
  UC10523  Erysimum capitatum Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC9463  Erythranthe diffusa Philip Alexander Munz; Ivan Murray Johnston 1922-5-20 5467 Riverside Kenworthy THomas Valley 1463 Comment
  RSA0020250  Erythranthe floribunda Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2121 Riverside Santa Rosa Mountains. Comment
  RSA0020060  Erythranthe guttata Philip A. Munz 1924-5-18 8137 Riverside 18 miles from Banning on Idyllwild Road [Hwy 243?]. 1524 Comment
  RSA0020066  Erythranthe guttata H. K. Wagnon 1944-3-12 340 Riverside west fork of Eagle Canon stream, between Palm Springs and Cathedral City. Comment
  RSA0022972  Eschscholzia androuxii A. M. Alexander, Louise Kellogg 1941-5-14 2169 Riverside 5 miles S of Cottonwood Spring, Eagle Mtns Comment
  UCR281222  Eschscholzia caespitosa Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 47 Riverside Perris-Aguanga Basin, Menifee, Bundy Canyon Rd., NE intersection with Sunset Ave. 534 Comment
  UCR107883  Eschscholzia californica B. G. Pitzer 1997-3-23 2994 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
  UCR137498  Eschscholzia californica D. L. Banks, V. W. Steinmann 1997-3-13 1530 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
  UCR251937  Eschscholzia californica Harun Bektas 2011-4-26 14 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  HSC99167  Eschscholzia glyptosperma Paul J. CaraDonna 2009-3-17 128 Riverside Jumbo Rock Campground, Joshua Tree National Park. Comment
  HSC79253  Eschscholzia minutiflora G. K. Helmkamp 1984-5-5 - 3 Riverside Little San Bernardino Mtns., Big Morongo Canyon, 4 mi. below the caretaker's house at the Big Morongo Preserve 549 Comment
  RSA657238  Eschscholzia minutiflora J. Mark Porter 2001-4-2 12335 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  UCD105364  Eschscholzia minutiflora Geoffrey Levin 1976-3-27 694 Riverside Chino Canyon, west of Palm Springs. Alluvial fan of San Jacinto Mts. 396 Comment
  UCR178567  Eschscholzia minutiflora R. G. Swinney 1967-3-5 58 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  RSA0022915  Eschscholzia parishii I. M. Johnston 1917-4-4 1003 Riverside Colorado Desert: Palm Canyon. 305 Comment
  SEINET10890746  Eucalyptus Nye Leith, Greg Gust 2005-3-11 Nye 56 Riverside Lake Elsinore. Ca. 2 miles SW of intersection of I-15 and Rt. 74. Hotel parking lot on Auto Center Dr. 399 Comment
  SBBG4842  Eucnide urens H. and M. Dearing 1942-4-5 4862 Riverside Colorado River and Riverside Mtns Comment
  RSA27708  Eucrypta chrysanthemifolia var. bipinnatifida C. L. Hitchcock 1940-4-1 5908 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  JOTR35151  Eucrypta micrantha La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3263 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  JEPS33745  Eulobus californicus Marjorie D. Clary 1932-5-26 1548 Riverside Pleasant Valley Colorado Desert, Hexie Mountain 1066 Comment
  UCR191541  Euphorbia albomarginata A. C. Sanders 2008-4-15 34888 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 391 Comment
  UCR26218  Euphorbia albomarginata John C. Roos 1951-9-25 5269 Riverside City of Riverside, Fairmount Park 259 Comment
  RSA0040031  Euphorbia albomarginata W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Blythe. Comment
  RSA295244  Euphorbia eriantha N. R. Zabriskie, Walter M. Zabriskie 1968-2-11 111 Riverside East of trail approaching Eagle Pk., Andreas Canyon. Comment
  UCR113224  Euphorbia polycarpa A. C. Sanders, Tracy Tennant, A. Montalvo, B. Wagner 1997-11-20 21621 Riverside South of Hemet, North Hills (N side of Diamond/Domenogoni Valley), near future saddle dam of reservoir 549 Comment
  RSA70386  Euphorbia polycarpa var. hirtella F. W. Peirson 1920-12-28 2040 Riverside Wash coming down from the east; lower part of Palm Canyon. Comment
  RSA70387  Euphorbia polycarpa var. hirtella F. W. Peirson 1924-12-30 5418 Riverside Abundant in dry desert sands; Thousand Palms Canyon. 122 Comment
  SD83592  Euphorbia polycarpa var. hirtella R. Mitchel Beauchamp 1970-11-15 1391 Riverside 7 miles east of Mecca in sandy areas 89 Comment
  UCR272198  Euphorbia serpillifolia Duncan S. Bell 2015-9-30 8661 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  UCR163869  Euphorbia setiloba B. G. Pitzer 2000-11-4 4244 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  UC56492  Eustoma exaltatum F. Gilman 1902-1 23 Riverside Palm Springs Comment
  RSA27589  Fagonia laevis C. Leo Hitchcock 1940-4-2 5920 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA391197  Fagonia laevis E. C. Jaeger 1922-3-19 751 Riverside Painted Canyon, near Mecca. 61 Comment
  RSA796752  Fagonia laevis Jim Andre 2012-4-11 20841 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  RSA731016  Fagonia pachyacantha M. Wall 2008-4-26 456 Riverside Chuckwalla Valley; along Chuckwalla Rd. just east of junction with Dupont Rd. 161 Comment
  RSA667079  Fatoua villosa A. C. Sanders, T. B. Salvato 2001-10-8 24878 Riverside Santa Ana River Valley region; Riverside, UCR Campus in old Citrus Expt. Station lath house near the intersection of S Campus Dr. and E. Campus Dr. just N of the reservoir. 351 Comment
  CLARK-A1528-4652  Festuca grayi John C. Roos 1952-4-9 5482 Riverside Fairmount Park 259 Comment
  UCR116918  Festuca myuros A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23953 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR158252  Festuca myuros A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30116 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
  SEINET260217 Image available Festuca occidentalis M. Curto, L. Allen 1991-6-26 771 Riverside San Bernardino National Forest ; San Jacinto Mts ca 3km SE of Pine Cove on SBNF Rd 5S10 1650 Comment
  UC2046889  Ficus microcarpa R. E. Riefner Jr. 2015-8-8 15 -220 Riverside City of Corona, S side of 91 Freeway ca. 120 ft. W of Lincoln St., N side of Corona del Rey Apartments. Comment
  RSA0026300  Filago John F. Emmel 1991-4-28 1170 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  RSA683865  Filago californica Scott D. White, Michael Honer 2003-4-4 8953 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA517818  Filago depressa Steve Boyd, Orlando Mistretta 1986-3-13 1435 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  JEPS42926  Forestiera pubescens W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1340 Riverside return to Van Deventer's and Palm Canyon of Mt. San Jacinto Comment
  POM13750  Forestiera pubescens E. C. Jaeger 1920-4-13 67 Riverside Onstatt Cr. Santa Rosa Mts. Comment
  SBBG69367  Fouquieria splendens M. N. Ackley -Feb-1926 359 Riverside Box Cyn 304 Comment
  CAS-BOT-BC53338  Frangula californica subsp. cuspidata Carl B. Wolf 1932-8-6 3989 Riverside San Jacinto Mts. Strawberry Valley. Base of Devil's Slide Trail to Tahquitz Valley 1706 Comment
  SD232321  Frangula californica subsp. cuspidata Scott D. White, Justin M. Wood 2008-7-8 12388 Riverside San Jacinto Mountains: Johnson Meadow. 1438 Comment
  UCR116947  Frankenia salina A. C. Sanders, D. Malueg 2001-5-17 24356 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  UCR92241  Fraxinus dipetala Scott D. White 1994-3-29 1935 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  SD90097  Fraxinus velutina var. coriacea Nancy Ryan Zabriskie, Walter Zabriskie 1972-10-22 544 Riverside Cactus Spring Trail crossing of Horsethief Creek, tributary to Deep Canyon, north slope Santa Rosa Mountains. 1096 Comment
  UCR17009  Fritillaria biflora E. W. Lathrop 1971-3-24 7483 Riverside Santa Ana Mtns, Cleveland National Forest, Main Divide [Tenaja] Truck Trail between El Carriso and San Mateo Canyon, '4000 ft. 747 Comment
  UCR240999  Funastrum cynanchoides Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 20 Riverside South Coast/Peninsular Range, Riverside, Sycamore Canyon, near the entrance to the park 396 Comment
  POM13030  Funastrum cynanchoides var. hartwegii P. A. Munz, D. D. Keck 1922-4-13 4953 Riverside Eagle Mountains. 244 Comment
  RSA594768  Funastrum cynanchoides var. hartwegii D. L. Banks, Dylan Hannon 1996-5-3 989 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9 487 Comment
  RSA667307  Funastrum cynanchoides var. hartwegii B. Pitzer 1989-4-16 1309 Riverside Chocolate Mountains Aerial Gunnery Range. 4 km W of Tabaseca Tank, in Impact Area. 620 Comment
  RSA0042855  Funastrum hirtellum Duncan S. Bell, LeRoy Gross 2014-3-20 6273 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UCR275945  Galium andrewsii T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3788 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  SDSU9314  Galium angustifolium S. J. Barnhart 1966-4-24 660424 -5 Riverside 0.1 mile E of McAliister Street along the Metropolitan Water Co. Uitility Rd. (dirt), which is 1.5 mile SE of the intersection of McAliister Street and Victoria Avenue. 457 Comment
  POM12926  Galium angustifolium subsp. angustifolium Philip A. Munz 1922-6-27 5858 Riverside Santa Rosa, Santa Rosa Mts. 2012 Comment
  RSA689697  Galium angustifolium subsp. jacinticum Valerie L. Soza, Naomi S. Fraga, Sarah Swartzentruber 2003-6-25 1705 Riverside Slope above junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  UC1332296  Galium angustifolium subsp. jacinticum Lauramay T. Dempster and G. L. Stebbins 1966-6-18 4244 Riverside Black Mountain road 0.9 mi above junction of road to Pine Wood; San Jacinto Mountains; San Jacinto Mts., Riverside Co. 1981 Comment
  RSA503420  Galium aparine J. D. Olmsted 1962-5-10 3622 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  SD70530  Galium californicum subsp. primum Lauramay T Dempster, G. Ledyard Stebbins 1966-6-17 4237 1/2 Riverside Chimney Flat road below Alvin Meadows, San Jacinto Mountains 1402 Comment
  UCR147554  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1285 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  RSA797257  Galium parishii Robert F. Thorne, Walter Wisura 1977-9-17 50795 Riverside San Jacinto Mountain: slopes of peak 3171 Comment
  UC64376  Galium parishii H. M. Hall 1897-8-11 825 Riverside near Long Valley; San Jacinto Mountains, Tamarack Valley 2560 Comment
  RSA192110  Galium porrigens E. W. Lathrop 1959-4-2 4437 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range. Comment
  POM337417  Galium stellatum F. R. Fosberg 1930-5-17 S 2642 Riverside Head of Deep Canyon. Comment
  OBI14155  Garrya fremontii Carl B. Wolf 1939-1-20 9485 Riverside Santa Ana Mts E side, along Eagle Motor Way, 1 mi below summit 914 Comment
  SDSU17273  Garrya fremontii Michael G. Simpson, Jamie Hall, Michael Silveira, Lori Simpson 2007-6-16 2899 Riverside Devil's Slide Trail, San Jacinto Wilderness. East side of trail, ca. 1.2 miles north-northeast of Humber Park, ca. 1.35 miles north of Taquitz Peak. 2233 Comment
  RSA234079  Garrya veatchii Robert F. Thorne, E. Lathrop 1969-6-6 39331 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  UCR160953  Gaura coccinea A. C. Sanders 2001-7-9 24465 Riverside Santa Ana River Valley/San Bernardino Valley, Riverside, weed in the UCR Botanic Garden 351 Comment
  RSA797255  Gayophytum Robert F. Thorne, Walter Wisura 1977-9-17 50793 Riverside San Jacinto Mountain: slopes of peak 3171 Comment
  OBI12029  Gayophytum diffusum subsp. parviflorum Dieter H. Wilken 1965-6-29 336 Riverside Hall cyn, at Lake Fulmor, San Jacinto Mts 1494 Comment
  RSA633319  Gayophytum diffusum subsp. parviflorum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38085 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  SEINET10969634  Gayophytum nuttallii David B. Dunn 1946-8-18 Dunn 2750 Riverside Wellman. Sieniga springs on trail. Peek. San jacinto mts. Comment
  JEPS33546  Geraea canescens W. L. Jepson and W. C. Mathews 1914-5-23 6052 Riverside Conchilla Desert Colorado Desert, Conchilla Desert 60 Comment
  POM305627  Geraea canescens Henry J. Ramsey, Henry J. Ramsey 1937-3-2 872 Riverside Desert center, Mojave Desert Comment
  POM30736  Geraea canescens Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  POM30737  Geraea canescens Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  UCR103545  Geraea canescens George K. Helmkamp, E. A. Helmkamp 1998-1-17 2528 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  UCR148857  Geraea canescens S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  POM50215  Geranium richardsonii H. M. Hall 1901-07 2336 Riverside Vicinity of Deer Springs, in damp places. Comment
  UC748762 Image available Gilia abramsii Herbert L. Mason 1926-4-30 3112 Riverside 1 mi s Temecula; Temecula Canyon; Temecula Canyon, Riverside Co. Comment
  SEINET7063449  Gilia achilleifolia subsp. multicaulis A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage on the East Benton Road. Tucalota Valley. UTM Zone 11, 501776mE, 3714976mN. (WGS84/NAD83). 556 Comment
  SEINET14623536  Gilia achilleifolia subsp. multicaulis H. M. Hall 1903-1 3726 Riverside Vicinity of Riverside Comment
  RSA550024  Gilia angelensis W. Wisura, A. King, Lydia Newcomb 1992-4-10 4673 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  UCR155063  Gilia angelensis A. C. Sanders, Kelly Volansky 2005-3-17 29217 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR157962  Gilia capitata T. B. Salvato, A. C. Sanders 2005-5-17 926 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
  UCR35050  Gilia capitata L. B. Ziegler 1972-6-5 475 Riverside San Jacinto Mtns., canyon at lower end of Poppet Flats. 1067 Comment
  POM3526  Gilia capitata subsp. abrotanifolia L. T. Street s.n. Riverside Temecula Canyon. Comment
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Mar 27 2011
  RSA586875  Gilia capitata subsp. abrotanifolia D. L. Banks, S. D. Boyd 1995-5-3 0294 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA63395  Gilia capitata subsp. abrotanifolia Verne Grant, Alva Grant 1948-5-23 8578 Riverside Near Hemet. 1067 Comment
  UCR121233  Gilia capitata subsp. abrotanifolia Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2261 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA72319  Gilia diegensis F. W. Peirson 1917-4-1 925 Riverside Along south edge of Colorado Desert embayment east of Palm Springs, above ''Garden of Eden'. Comment
  RSA0017266  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4642 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
  RSA0016283  Gilia ochroleuca subsp. exilis Clare B. Hardham 1965-6-18 12947 -B Riverside Cedar Flat Road, Idlewild [Idyllwild]. Comment
  JOTR34278  Gilia sinuata La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3293 Riverside Joshua Tree National Park. Little San Bernardino Mtns; ridge just south of Quail Mountain peak; N-facing steep slope (stop 5) Comment
  RSA799250  Gilia stellata Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 754 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  SEINET3004968  Gilia stellata G. Rink 2011-3-24 10392 Riverside Sandy wash north of Blythe, east of the McCoy Mtns 109 Comment
  UC667389  Gilia stellata Annie M. Alexander and Louise Kellogg 1941-5-14 2168 a Riverside 5.5 mi s Cottonwood Spring (Eagle Mountains); Colorado Desert, , s of Cottonwood Spring 502 Comment
  UCR237514  Gilia stellata Amber Swanson, Duncan S. Bell 2011-3-10 210 Riverside Mecca Hill, Shaver's Well in Box Canyon 304 Comment
  SEINET13276757 Image available Glycyrrhiza lepidota Mitch Provance 2012-1 196 -05 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave (Riverside 7.5' Q.) 226 Comment
  UC864089  Glycyrrhiza lepidota Crawford and Johnston 1917-6-9 1228 Riverside near Corona; Santa Ana River Comment
  UCR147826  Glycyrrhiza lepidota G. R. Ballmer 1999-6-16 s.n. Riverside Murrieta, Warm Springs Creek c. 1 mi upstream from Hwy I-15 335 Comment
  POM358936  Gnaphalium californicum N. C. Cooper 1944-6-4 1367 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  UCR41395  Gnaphalium luteoalbum N. M. Fellows, A. C. Sanders 1985-5-7 182 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA556455  Gnaphalium palustre Julie Greene 1993-4-30 1268 Riverside San Jacinto Wildlife Area. N of San Jacinto River drainage. 433 Comment
  RSA564288  Gnaphalium palustre Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  RSA741076  Gnaphalium palustre Scott D. White, Justin M. Wood 2008-6-17 12153 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  UCR34920  Gnaphalium palustre L. B. Ziegler 1969-6-10 379 Riverside San Jacinto Mtns., Hemet Valley (= Garner Valley) 1433 Comment
  UCR117334  Gnaphalium stramineum Mitch Provance 1998-6-11 665 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  LA102373  Gutierrezia sarothrae John C. Roos; 1965-9-26 sn Riverside Santa Rosa Mountains, NE slope of Asbestos Mountain Comment
  SEINET2046411 Image available Gutierrezia sarothrae Howard Scott Gentry 1948-7-20 8178 Riverside Gentry Farm, ca. 3 mi NE of Murrieta. Comment
  RSA643449  Haplopappus cuneatus A. C. Sanders 1995-11-26 17921 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Tule [peak] Rd., 1/2 mi. E of Spanish Spur Trail, sec. 14. 1280 Comment
  UCR58852  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3206 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  UCR199717  Hedypnois cretica Scott D. White 2008-4-28 11913 Riverside San Gorgonio Pass, Banning, south of Hwy I-10 and just north of San Jacinto Mountains toe slope. East of Sunset Avenue 701 Comment
  RSA683867  Helianthemum scoparium var. scoparium Scott D. White, Michael Honer 2003-4-4 8955 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA291591  Helianthemum scoparium var. vulgare C. W. Tilforth, W. Wisura 1979-11-4 1765 Riverside East end of Murrieta-DeLuz Rd., ca. 2 air mi. south of Murrieta 335 Comment
  UCSB37798  Helianthus niveus Roos, John 1962-4-3 Riverside Palm Springs Airport 121 Comment
  UC666387  Heliotropium convolvulaceum var. californicum Annie M. Alexander and Louise Kellogg 1941-5-28 2259 Riverside 6 mi. e. Blythe; Colorado Desert 121 Comment
  RSA522284  Hemizonia fasciculata Steve Boyd, Orlando Mistretta, Walter Wisura 1989-5-30 3744 Riverside Lake Skinner County Pk, S. base of Bachelor Mtn Comment
  RSA674623  Hemizonia fasciculata Scott D. White 2000-5-30 7972 Riverside Corona Foothills: ca. 1 mi SE of the I-15/El Centro Rd jtn. Adv to new housing construction. 335 Comment
  UCR91991  Hemizonia fasciculata Michael A. Patten 1993-4-28 s.n. Riverside Winchester (near): roadside ditch at corner of Stowe and California 447 Comment
  UCR103912  Hemizonia kelloggii B. G. Pitzer 1997-4-11 3122 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR139626  Hemizonia kelloggii A. C. Sanders 2004-6-30 28405 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
  UCR80843  Hemizonia kelloggii G. R. Ballmer 1992-6-23 92- 8 Riverside San Timoteo Canyon Rd., 0.8 mi east of jct with Redlands Blvd. 526 Comment
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Jul 14 2012
  RSA702550  Hemizonia paniculata Scott D. White, Brian Leatherman 2004-10-7 10769 Riverside Perris Basin: City of Perris. Immediately east of the I-215 Freeway, at Watson Road. 434 Comment
  UCR121167  Hemizonia paniculata D. E. Bramlet 1989-6-13 1922 Riverside Domenigoni Valley, 3,000 ft. east of the MWD canal and 500 ft. south of Newport Road. 458 Comment
  CLARK-A1528-1924  Hemizonia pungens John C. Roos 1937-5-10 2452 Riverside Lake Elsinore Comment
  RSA512135  Hemizonia pungens subsp. laevis 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
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Jul 19 2014
  RSA628429  Hemizonia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22813 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  RSA785471  Hemizonia pungens subsp. pungens Jeremiah George 2011-8-9 s.n. Riverside Moreno Valley, NW corner of Indian St. and Nandina Ave. 450 Comment
  UCR90801  Herniaria cinerea A. C. Sanders, G. K. Helmkamp 1996-3-17 17986 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, mouth of Palm Canyon, c. 0.5 km east of Palm Canyon Dr. on Bogert trail 163 Comment
  RSA377066  Hesperocallis undulata W. Hutchinson 1926-3-1 s.n. Riverside Colorado Desert. Comment
  RSA48416  Hesperocallis undulata E. K. Balls 1949-4-2 12901 Riverside North of Mecca, Highway 111, Colorado Desert. -58 Comment
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Jul 16 2015
  CAS-BOT-BC403802  Hesperocnide tenella A. C. Sanders 1997-3-1 19753 Riverside Riverside: Box Springs Mtns., S end of the range along Gernert Rd. (dirt), in valley draining to Box Springs Cyn. 457 Comment
  RSA585794  Hesperocnide tenella D. L. Banks, Steve D. Boyd 1995-5-9 421 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  UCR24463  Hesperocnide tenella John C. Roos 1952-4-13 5537 Riverside Riverside, north base of the Box Springs Mtns. 396 Comment
  RSA561014  Hesperolinon micranthum Steve Boyd, Tim Ross 1992-5-4 7196 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA715314  Hesperolinon micranthum A. C. Sanders 2006-5-19 32389 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north of Clinton Keith Rd. 518 Comment
  CAS-BOT-BC131793  Hesperoyucca whipplei Scott D. White 1996-4-14 3920 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  SD247266  Hesperoyucca whipplei Tracy Tenant, Jeffrey Ross 1998-4-30 MOR 41 Riverside San Bernardino Mountains Foothills: Morongo Indian Reservation, upper Hathaway Canyon (Cabazon 7.5'Q) 883 Comment
  SEINET5641180  Hesperoyucca whipplei var. whipplei Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28528 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert, off of Pine View Drive. 1297 Comment
  SEINET10460700  Heterocodon rariflorum Meryle B. Dunkle 1933-7-21 Dunkle 3726 Riverside SAN JACINTO MTN IDYLWILD Comment
  RSA0075891  Heterotheca grandiflora Carol Zuck 1981-2-16 40 Riverside On I-74, 14.8 miles southeast of Santa Rosa Rd. overlooking Elsinore. Comment
  CAS-BOT-BC311218  Heterotheca sessiliflora subsp. echioides Samuel B. Parish 1880-11-1 746 Riverside Whitewater, Colorado Desert Comment
  CAS-BOT-BC47578  Heuchera parishii Carl B. Wolf 1932-8-5 3977 Riverside San Jacinto Mts. Summit of San Jacinto Peak 3293 Comment
  CAS-BOT-BC203348  Hibiscus denudatus Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  RSA668428  Hibiscus denudatus S. Granger 1979-2-13 s.n. Riverside Chuckawalla Mountains. Comment
  SEINET3078304  Hibiscus denudatus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37472 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q) 204 Comment
  UCR213269  Hibiscus denudatus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37442 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  RSA0023091  Hibiscus denudatus John F. Emmel 1995-4-21 1366 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479. 579 Comment
  UCR151099  Hieracium albiflorum Scott D. White, Julie Greene 1998-8-1 6971 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  UCR227609  Hilaria rigida Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 159 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak 213 Comment
  SDSU14245  Hirschfeldia incana Ingrid Poulin 2002-3-1 7 Riverside Santa Margarita Ecological Reserve; unpaved road approx. 100 ft. west of Red Mountain Truck Trail (0.8 miles from N. Stagecoach Lane). 229 Comment
  SEINET6654964  Hoffmannseggia densiflora Elizabeth Neese 1979-4-10 7078 Riverside Ca 25 miles west of Blythe, desert along interstate 10.; 0 244 Comment
  UC68503  Hoffmannseggia glauca E. E. Schellenger 1905-4-18 Riverside Palo Verde Valley; Colorado Desert Comment
  CAS-BOT-BC206380  Hoffmannseggia microphylla P. C. Everett; N. F. Lolonis 1963-5-3 24492 Riverside SE. corner of Colima & Obregon Sts., La Quinta, western edge of Colorado Desert 91 Comment
  SD122905  Hoita macrostachya Steve Boyd 1985-7-30 1049 Riverside De Luz Road, 10.4 miles west of Rancho California, in wet sand along stream at the point where east branch of De Luz Creek first crosses the road Comment
  UCR266497  Hordeum depressum Mitch Provance, Matt Amalong 2015-4-6 415- 13 Riverside Temecula/Murrieta Region, About 1 mile SW of Winchester, along Leon Rd. in the vicinity of Norma Way and Busby Rd. 452 Comment
  UCR85535  Hordeum depressum A. C. Sanders 1993-4-5 13697 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  UCR114311  Hordeum murinum subsp. glaucum Julie A. Greene 1993-4-17 1229 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 Comment
  RSA121044  Hordeum murinum subsp. glaucum J. T. Howell 1956-3-19 31117 Riverside San Jacinto. Comment
  RSA192268  Hordeum murinum subsp. leporinum E. W. Lathrop 1966-5-1 6235 Riverside 3 miles W of Murrieta Comment
  RSA595258  Hordeum murinum subsp. leporinum D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0962 A Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, At the gate to the University of California-Emerson Oaks Reserve. 451 Comment
  UCR83242  Hordeum vulgare N. M. Fellows 1982-4-14 s.n. Riverside Riverside, on the edge of Pigeon Pass Road north of Hwy 60 518 Comment
  UCR146439  Horkelia clevelandii R. F. Thorne, Et al. 1969-6-24 38078 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  CAS-BOT-BC537305  Horkelia cuneata var. puberula Marian L. Campbell 1921-3-18 79 Riverside near Banning Comment
  CAS-BOT-BC201090  Hosackia crassifolia Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38155 Riverside San Bernardino National Forest, San Jacinto Mts.: Lake Fulmor 1676 Comment
  UC456022  Hulsea vestita subsp. callicarpha I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  RSA335008  Hydrocotyle ranunculoides Steve Boyd 1985-8-7 1107 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
  UCR92447  Hydrocotyle ranunculoides A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18113 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA643277  Hymenoclea salsola R. D. Goeden, D. W. Ricker 1971-4-1 s.n. Riverside Sonoran Desert: Chuckwalla Mountains, 1.5 mi. west of Corn Spring in wash on canyon bottom. 600 Comment
  SEINET269275 Image available Hymenoclea salsola Bern Schwen 1994-3-21 Riverside Joshua Tree National Monument ; Little San Bernardino Mountains along radio tower road in first canyon west of Pushawalla Canyon east of Upper Thousan 640 Comment
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Sep 7 2013
  POM13383  Hymenolobus procumbens E. C. Jaeger 1921-4-5 124 Riverside Murray Canyon. Comment
  RSA458204  Hypericum androsaemum M. B. Dunkle 1933-7-21 3724 Riverside Idyllwild 1616 Comment
  UCR34979  Hypochaeris glabra L. B. Ziegler 1968-5-14 293 Riverside San Jacinto Valley, vacant lots in city of San Jacinto. Interior Valley 473 Comment
  LA61523  Hyptis emoryi Carl Epling; March 1927 sn Riverside Tahquitz Creek, near Palm Springs Comment
  OBI13686  Hyptis emoryi Robert F. Hoover 1966-10-15 10164 Riverside Dead Indian Cyn Comment
  RSA38873  Hyptis emoryi E. A. Purer 1933-3-25 4980 Riverside Palm Springs. Comment
  RSA648296  Hyptis emoryi Mark Hotchkiss 1977-4-23 s.n. Riverside 7 mi. S.W. of Palm Desert. Pines to Palm Hwy. 457 Comment
  UCD166271  Hyptis emoryi Jack Major 1962-4-17 786 Riverside On CA HWY 74 from Pinyon Flat to Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 435 Comment
  UCR25328  Hyptis emoryi C. W. Tilforth 1967-2-12 111 Riverside Western Colorado Desert, Painted Canyon, east of Mecca. 0 Comment
  UCR275512  Hyptis emoryi D. E. Bramlet 2010-3-1 4456 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  RSA0009749  Isocoma acradenia var. eremophila Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  UCR60722  Isoetes howellii R. F. Thorne 1973-5-23 43852 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  SEINET10802585  Isomeris J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12831 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
  UC1088554  Isomeris arborea Peter H. Raven 1958-1-23 10409 Riverside 2.7 mi w Whitewater Post Office Comment
  JEPS15904  Jepsonia parryi H. M. Hall 1896-12-12 345 Riverside Winchester Comment
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Mar 20 2011
  LA19854  Juncus acutus subsp. leopoldii Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  UCR149983  Juncus bufonius Scott D. White, Angelia Carey 2004-5-7 10333 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UC1931233  Juncus effusus Scott D. White, Justin Wood 2008-7-10 12451 Riverside San Jacinto Mountains: Fobes Spring (Palm View Peak) Comment
  UCR241642  Juncus oxymeris T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 359 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA191406  Juncus rugulosus E. W. Lathrop, Robert F. Thorne 1967-9-26 6618 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  UCR159204  Juncus rugulosus A. C. Sanders, Kelly Volansky 2005-8-31 31568 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  NY247726  Juncus tiehmii B. J. Ertter 1979-6-26 2971 Riverside Behind Kenworthy Ranger Station, near highway 74 in Hemet Valley, San Jacinto Mountains, San Bernardino National Forest. 762.0 Comment
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Mar 25 2011
  UCR193287  Juncus tiehmii A. C. Sanders, Tim Thomas 2008-6-20 35547 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA33306  Juniperus californica N. C. Cooper 1943-9-11 911 Riverside Palms to Pines Hwy. 1219 Comment
  RSA5556  Juniperus californica B. D. Stark 1932-6-17 3749 Riverside Canyon above Cottonwood Springs, Eagle Mts., Colorado Desert. 411 Comment
  RSA770301  Juniperus californica Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4586 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET10531629  Juniperus californica Charles L. Hitchcock 1940-4-3 Hitchcock 5933 Riverside 2.5 km northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree National Monument. Comment
  HSC25951  Justicia californica R. W. Spjut 1972-1-6 2105 Riverside Colorado Desert, along Hwy. 195, E of Indio 0 Comment
  UC1321347  Justicia californica R. F. Hoover 1966-10-15 10163 Riverside Dead Indian Canyon Comment
  UCD121631  Justicia californica Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  RSA793567  Kallstroemia californica Duncan S. Bell 2012-9-13 4191 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  HSC21064  Keckiella antirrhinoides D. W. Snell 1964-3-26 20 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet. Comment
  SEINET3930995  Keckiella antirrhinoides David Keil 1983-4-15 16899 Riverside East of Temecula on SR79.; 0 Comment
  CAS-BOT-BC236706  Keckiella antirrhinoides subsp. antirrhinoides T. Craig 1927-4-23 206 Riverside Glen Ivy Comment
  CAS-BOT-BC236710  Keckiella antirrhinoides subsp. antirrhinoides H. E. McMinn 1925-7-1 1491 Riverside At base control to Idylwild, San Jacinto Mts. Comment
  CAS-BOT-BC246207  Keckiella rothrockii S. B. Parish; W. F. Parish 1880-7-1 473 Riverside San Jacinto Mt. Comment
  UCR133703  Keckiella ternata N. C. Cooper 1944-7-15 1581 Riverside Peninsular Range; San Jacinto/Santa Rosa Mtns., Palms to Pines Highway 1372 Comment
  UCD86080  Koeleria macrantha F. M. Reed 1920-6-14 4419 Riverside San Jacinto Mts., Banning Road west of Idyllwild. 1676 Comment
  CAS-BOT-BC61432  Krameria bicolor W. R. Dudley 1903-12-1 s.n Riverside Desert back of Indian Reservation, Palm Springs Comment
  CAS-BOT-BC61435  Krameria bicolor Carl B. Wolf 1932-4-29 3099 Riverside Eastern Colorado Desert. W. edge of Maria Mts. 17 mi. from Blythe on Rice Road 152 Comment
  CAS-BOT-BC61436  Krameria bicolor Annie M. Alexander; Louise Kellogg 1941-5-14 2166 Riverside Near Shaver Summit 502 Comment
  RSA778522  Krameria erecta Amber Swanson, Linda Jean Foster 2011-10-8 635 Riverside Large wash off Blythe Rice Rd 270 Comment
  UC154720  Krameria grayi Rensselaer J. Smith Feb. 1904 313 Riverside Andreas Canyon Coachella Desert; , Andreas Canyon Comment
  UC1605398  Laennecia coulteri Steve Boyd and Darin Banks 1994-9-29 8367 Riverside floodplain e dike along San Jacinto River (w of Sedco Hills community); Lake Elsinore 381 Comment
  UCR96718  Lamarckia aurea A. C. Sanders 1997-3-1 19716 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA795949  Langloisia setosissima subsp. setosissima Duncan S. Bell 2009-4-19 268 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UC1287141  Langloisia setosissima subsp. setosissima C. L. Hitchcock 1966-3-20 24310 Riverside hills just n. Milpitas Wash (Ogilby-Blythe rd.) Comment
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Mar 2 2013
  CDA37813  Laportea aestuans Mike Lahti 2012-6-14 PDR# 1590446 Riverside Romoland; Hilsabecks Greenhouse, 28415 Moreland Rd., near Palomar Rd. 0 Comment
  RSA652650  Larrea tridentata Glenda Long 1981-5-17 38 Riverside Junction of Highway 78 and Walters camp Road, south of Palo Verde. Comment
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Sep 11 2011
  SBBG56038  Larrea tridentata C. Davidson, B. Gustafson 1977-4-7 5568 Riverside Whitewater Cyn Rd, near start of Pacific Crest Trail 609 Comment
  UCR167431  Larrea tridentata 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
  RSA392781  Lastarriaea coriacea E. Crow 1929-4-21 338 Riverside North of Alberhill Comment
  RSA736316  Lastarriaea coriacea Scott D. White, Justin M. Wood 2008-3-25 11777 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  CAS-BOT-BC353279  Lasthenia coronaria H. M. Hall 1903-4-1 3714 Riverside Vicinity of Riverside 426 Comment
  CLARK-A1656-700  Lasthenia coronaria Theo Glenn 1979-3-11 Riverside San Jacinto Mountains Comment
  JEPS102005  Lasthenia coronaria Raymund Chan 1998-3-24 98006 Riverside S of Vail Lake (Hwy 79, 0.5 mi E of jct. with R3) Comment
  UC126382  Lasthenia coronaria H. M. Hall 1903-4-1 3982 Riverside Pass ne of High Grove; Riverside Comment
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Sep 5 2011
  UCR109449  Lasthenia coronaria A. C. Sanders 1995-4-13 16500 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
  POM157928  Lasthenia glabrata subsp. coulteri P. A. Munz 1927-5-21 10842 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  UCR129059  Lasthenia gracilis A. C. Sanders, Mitch Provance 2001-4-5 23921 Riverside Moreno Valley, Hwy 215 at Van Buren Blvd., adjacent to March Air Res. Base, Alessandro RR siding 466 Comment
  UCR228251  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-4-1 38934 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR239830  Lasthenia gracilis O. F. Clarke 2004-3-12 s.n. Riverside Peninsular Range, Riverside; hills above UCR Botanical Garden 436 Comment
  UCR34907  Lasthenia gracilis L. B. Ziegler 1967-4-25 124 Riverside San Jacinto Mtns Foothills, Cahuilla Indian Reservation [near Anza] 1067 Comment
  UCR91211  Lasthenia gracilis A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18070 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  SD236281  Lathyrus odoratus John F. Green 2006-5-3 Riverside Peninsular Ranges: French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road. 402 Comment
  RSA501002  Lathyrus vestitus subsp. laetiflorus Steve Boyd, Tim S. Ross, Laurel Arnseth, Bob Boyd 1989-4-1 3121 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  UC63242  Layia platyglossa H. M. Hall 1902-4-1 2887 Riverside Coahuilla Comment
  UCR34906  Layia platyglossa subsp. campestris L. B. Ziegler 1967-2-20 109 Riverside San Jacinto Valley, N of Lakeview 457 Comment
  RSA500976  Layia platyglossa subsp. platyglossa Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3153 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA741206  Layia ziegleri Scott D. White, Justin M. Wood 2008-5-15 11961 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  SD124943  Lemna gibba Robert F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61279 Riverside Sandia Canyon, DeLuz-Murietta Road, along small stream. 259 Comment
  RSA352157  Lemna minor Wayne P. Armstrong 1985-6-29 1240 Riverside Fulmor Lake -- on Highway R1 NW of Idyllwild. 1524 Comment
  UCR163097  Lepechinia cardiophylla Kirsten Larsen 2003-1-8 s.n. Riverside Peninsular Range; Santa Ana Mtns., Indian Truck Trail near head of Indian Canyon and c. 0.5 mi. N of Orange Co. line 1067 Comment
  UCR79360  Lepidium draba Steve Boyd 1992-4-18 6894 Riverside Perris-Aguanga Basin, Paloma Valley, c. 5 air mi southeast of Sun City at the corner of Leon Road and Scott Road 427 Comment
  JEPS53618  Lepidium fremontii John Thomas Howell 1928-1-30 3305 Riverside 2 mi e Shaver's Well; Colorado Desert Comment
  RSA485839  Lepidium fremontii T. S. Elias 1988-2-26 10677 Riverside Joshua Tree National Monument, Cottonwood Spring region, along trail from Mastodon Peak to Lost Palms Oasis. Comment
  CAS-BOT-BC89581  Lepidium lasiocarpum A. C. Sanders; T. B. Salvato; Mitch Provance 2000-4-25 23353 Riverside Coachella Valley. East side of the Coachella Canal between I-10 and Avenue 56 (Airport Road), 3 miles east of Thermal. 15 Comment
  RSA678339  Lepidium lasiocarpum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10476 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
  UC1929605  Lepidium lasiocarpum Scott D. White 2001-3-13 8162 Riverside PERRIS / ELSINORE BASINS: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. Comment
  UCR140329  Lepidium lasiocarpum A. C. Sanders, Guy Bruyea 2004-4-2 27424 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR74377  Lepidium lasiocarpum Theo Glenn 1991-5-1 91- 55 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  UC673522  Lepidium lasiocarpum var. lasiocarpum Herbert L. Mason 1928-3-11 4243 Riverside near Indio Comment
  RSA629025  Lepidium latifolium Scott D. White 1998-6-28 6801 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  UCR173873  Lepidium nitidum Scott D. White 2001-3-13 8162 Riverside Peninsular Ranges/ Perris-Aguanga Basin, Menifee/Sun City area: valleys and slopes east of Canyon Lake and west of Goetz Rd 518 Comment
  UCR225451  Lepidium nitidum A. C. Sanders, T. B. Salvato 2011-3-28 38831 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  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
  UCR121177  Lepidium virginicum var. robinsonii D. E. Bramlet 1990-4-26 1977 Riverside E side of Rawson Canyon, 2,500 ft. (~0.47 mi.) SW of knoll '2267" 610 Comment
  CAS-BOT-BC329448  Lepidospartum squamatum W. R. Dudley 1903-12-28 s.n. Riverside Desert Palm Springs Station Comment
  CDA23632  Lepidospartum squamatum Mike Lahti 2008-8-19 PDR# 1473307 Riverside Hemet, 41801 East Benton Rd. 0 Comment
  JEPS49057  Lepidospartum squamatum Lewis S. Rose 1966-12-14 66103 Riverside n Palm Springs (desert); Whitewater Wash 198 Comment
  POM10236  Leptosiphon lemmonii Charlotte M. Wilder 1905-4-9 579 Riverside Wilder's canon, Juniper [Jurupa] Hills. Comment
  SD137679  Leptosiphon lemmonii Darin L. Banks, Steve Boyd 1995-5-30 475 Riverside Northwest Palomar Mountains; Agua Tibia Wilderness Area, north flank of Agua Tibia Mountain along the Drippiong Springs Trail; south opf the Dripping Springs Campground just inside the wilderness boundary. 505 Comment
  RSA359853  Leptosiphon lemmonii Steve Boyd 1986-4-2 1633 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SBBG55791  Leptosyne calliopsidea D. Keil, M. McLeod 1977-3-26 12010 Riverside Hwy 71, ca. 8 mi NW of Lake Elsinore St Recreation Area 365 Comment
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Jul 15 2020
  SBBG118780  Lessingia glandulifera S. D. White 1999-7-9 7533 Riverside near Idyllwild Community Service District sewage ponds at terminus of USFS Rd 5S24.2; T5S R2E boundary of S15/22 1430 Comment
  JEPS20573  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2909 Riverside at Idyllwild (Strawberry Valley, Mt. San Jacinto); Mt. San Jacinto, Strawberry Valley Comment
  POM197771  Lessingia glandulifera var. glandulifera John T. Howell 1927-8-2 2909 Riverside Idyllwild, near Strawberry Valley. San Jacinto Mts. Comment
  UCR106905  Lessingia glandulifera var. glandulifera D. L. Banks, L. Raz 1996-11-5 1176 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, east of San Gabriel Church; along main road in the Reservation; c. 20 m east of its intersection with Pechanga Creek 393 Comment
  POM15213  Leymus condensatus Mary F. Spencer 1922-6-30 1984 Riverside Brook's Camp - San Jacinto Mountains. 1220 Comment
  RSA198976  Lilaea scilloides Robert F. Thorne, Philip A. Munz, E. W. Lathrop 1968-5-8 377595 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  RSA526172  Lilium humboldtii subsp. ocellatum Steve Boyd, Timothy S. Ross 1990-5-11 4675 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
  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
  RSA20306  Linanthus aureus Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9528 Riverside 2 miles from Cottonwood Springs, Cottonwood Mts. Comment
  CAS-BOT-BC225697  Linanthus californicus E. W. Lathrop 1966-3-2 6049 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trail 877 Comment
  POM128362  Linanthus californicus Thos. Craig 1927-4-23 207 Riverside Glen Ivy. Comment
  UC665884  Linanthus dianthiflorus Ira L. Wiggins 1941-3-27 9692 Riverside 4 mi n Whitewater Comment
  OBI52759  Linanthus dianthiflorus L. LaPre, J. Easton 1988-1-27 Riverside Santa Rosa Plateau, Mesa de Burro, Santa Rosa Springs Ranch Comment
  RSA407739  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd 1986-5-1 1801 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  RSA560843  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross 1992-5-4 7179 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA68310  Linanthus dianthiflorus subsp. dianthiflorus G. R. Campbell 1951-5-30 16114 Riverside 9 miles west of Anza. 1067 Comment
  UCR16665  Linanthus jonesii Robert A. Clark 1966-3-5 030566- 6 B Riverside Sonoran (Colorado) Desert, 8 miles east of Mecca on State Hwy 195 and about 3 miles up Box Canyon 15 Comment
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Sep 7 2011
  UCR214286  Linanthus jonesii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37487 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR228171  Linanthus jonesii Dave Silverman, Onkar Singh 2010-3-25 7842 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, 3.2 km E of Black Creek Rd, 3.8 km W of McCoy Wash, and 7.8 km N of I-10 139 Comment
  UCR116409  Linanthus lemmonii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24180 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
  UC880261  Linanthus liniflorus I. W. Clokey and E. G. Anderson 1935-8-21 6828 Riverside e of Keen Camp P.O. 1370 Comment
  UCR119830  Linum lewisii var. lewisii George K. Helmkamp 1998-6-27 4110 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UCR50042  Linum usitatissimum Lyman Benson 1945-3-29 11619 Riverside Sonoran (Colorado) Desert, San Gorgonio Pass, 5 mi. east of Banning [near Cabazon] 610 Comment
  RSA314475  Lipocarpha micrantha Robert F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55378 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UCR193292  Lithophragma affine A. C. Sanders, Tim Thomas 2008-6-20 35541 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA593877  Loeflingia squarrosa Steve Boyd, David E. Bramlet 1996-4-19 8623 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, E base of rounded hill at the N end of California Avenue, N of Stetson Avenue 457 Comment
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Mar 20 2011
  UCR18962  Loeflingia squarrosa John C. Roos 1952-5-14 5664 Riverside Perris-Aguanga Basin, 2 mi NW of Perris Comment
  JOTR31122  Loeseliastrum matthewsii La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2504 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  RSA757823  Loeseliastrum schottii Michael Wall 2010-5-6 557 Riverside Morongo Wash, NE of Palm Springs, WNW of Flat Top Mountain. 164 Comment
  UCR120710  Loeseliastrum schottii E. K. Balls 1949-4-4 12963 Riverside Sonoran (Colorado) Desert, Between Durmid and Salton on Hwy 111 0 Comment
  JOTR34008  Logfia filaginoides La Doux, Tasha, M. Harding 2010-4-7 2896 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
  RSA0123279  Logfia filaginoides Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8992 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA234069  Lolium temulentum R. F. Thorne, E. Lathrop 1969-5-19 37982 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  UCR51777  Lomatium dasycarpum I. W. Clokey 1935-4-18 7680 Riverside Gavilan Peak. 700 Comment
  POM96253  Lomatium lucidum E. C. Jaeger 1925-12-23 s.n. Riverside Aguanga. Comment
  CLARK-A1656-675  Lomatium utriculatum Milton Walker 1978-3-28 Riverside San Jacinto Mountains 1066 Comment
  UC2029940  Lonicera subspicata Scott D. White, T. B. Salvato 2001-6-8 8589 Riverside SANTA ANA MOUNTAINS: Southern margin of county, just northeast of Rainbow Valley. 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
  SDSU2935  Lonicera subspicata var. denudata Garrison 1962-7-16 Riverside 3 miles south of Temecula. Highway 395. Cismontane. 335 Comment
  SEINET5558029  Lotus argophyllus var. argophyllus H. S. Gentry 1957-1 16385 Riverside Dripping Springs. 731 Comment
  UC219236  Lotus argophyllus var. argophyllus P. A. Munz 1922-4-30 5128 Riverside s of Hemet (s of St. John's Grade) Comment
  RSA525243  Lotus hamatus Steve Boyd, T. S. Ross 1990-5-11 4620 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  UCR228932  Lotus hamatus A. C. Sanders 2011-4-6 39001 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
  UCR163142  Lotus humistratus A. C. Sanders 1997-3-19 20046 Riverside Lake Skinner area, lower S slopes of Bachelor Mtn., near old quarries 473 Comment
  RSA761686  Lotus nevadensis Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 702 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  POM2464  Lotus oblongifolius H. M. Hall 1901-07 2380 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  UCR175060  Lotus purshianus Teresa Nieto 2005-5-26 28 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  POM1917  Lotus rigidus I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Comment
  UC111311  Lotus rigidus S. B. Parish 1907-4-22 6147 Riverside w edge Colorado Desert; , Palm Canyon 200 Comment
  RSA727600  Lotus salsuginosus Naomi Fraga, Lisa Rojas 2005-2-10 1389 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA406830  Lotus salsuginosus var. brevivexillus Robert Gustafson 1978-3-22 837 Riverside Joshua Tree Natl. Monument, about 3 miles north of Hwy. 70 on the road that leads to 29 Palms. 610 Comment
  RSA629027  Lotus salsuginosus var. salsuginosus Scott D. White 1998-6-28 6791 Riverside Corona: River Road bridge over the Santa Ana River. 159 Comment
  UCR182501  Lotus scoparius subsp. brevialatus Andrea Salzman, Ricky Escobar, et al 2006-4-10 45 Riverside Peninsular Range, Agua Tibia Wilderness at Arroyo Seco, c. 0.5 mi. south of Dripping Springs Guard Station 518 Comment
  UCR233580  Lotus scoparius subsp. brevialatus A. C. Sanders, John F. Green 2012-4-12 40040 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 370 m NW of El Hermano Rd. 312 Comment
  SEINET196196 Image available Lotus scoparius var. brevialatus LeRoy Abrams 1941-4-22 13881 Riverside Granite hills Palomar School near Perris Comment
  POM305818  Lotus scoparius var. scoparius Henry J. Ramsey, Henry J. Ramsey 1937-2-4 1041 Riverside Elsinore-Capistrano Comment
  CSUSB1244  Lotus strigosus K. S. Gill 1965-4-17 Riverside South side of Highway 60, one mile west of Beaumont. 457 Comment
  CSUSB1252  Lotus strigosus D. T. Wright 1966-5-16 Riverside 8 miles southeast of Banning on Banning- Idyllwild road at Hurley Flats Road, San Jacinto Mountains. Comment
  SEINET3004995  Lotus strigosus G. Rink, M. Baker 2011-4-3 10423 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 170 Comment
  UCR102933  Lotus strigosus George K. Helmkamp 1998-4-3 3080 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  UCR225719  Lotus strigosus A. C. Sanders 2011-3-30 38908 Riverside Peninsular Range, city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  UCR86871  Lotus strigosus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16279 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  RSA19006  Lotus strigosus var. strigosus L. S. Rose 1937-4-9 37088 Riverside Banning. 707 Comment
  RSA406332  Lotus strigosus var. strigosus Ora M. Clark 1929-2-23 1527 Riverside South Cabazon. Comment
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Mar 13 2011
  UCR279350  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2017-3-23 42939 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  POM265128  Lotus tomentellus I. L. Wiggins 1937-3-9 8766 Riverside Sand dunes 20 miles north of Indio. Comment
  UCR50651  Lotus tomentellus B. A. Prigge 1988-2-21 7845 Riverside Sonoran (Colorado) Desert, Orocopia Mtns. 2 mi west of Clemens Well 229 Comment
  UCR90319  Lotus tomentellus Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  RSA553936  Lotus unifoliolatus R. Montijo 1991-7-10 91 -21 Riverside Santa Rosa Plateau, Avenida Escalera, N of Tenaja Road and ca. 1 mile NE of Squaw Mountain. 610 Comment
  RSA680556  Lotus wrangelianus Scott D. White, Michael Honer 2003-4-30 9135 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  RSA356739  Lupinus agardhianus R. F. Thorne 1973-5-23 45531 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  POM177956  Lupinus arizonicus Joseph A. Ewan 1931-4-4 4151 Riverside mouth of Shaveris Canyon. Comment
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Jul 5 2010
  SBBG38558  Lupinus arizonicus E. R. Blakley 1966-4-9 6755 Riverside 1 mi W of Desert Center on US Hwy 60-70 274 Comment
  SD224965  Lupinus arizonicus G. K. Helmkamp 1998-4-4 3099 Riverside Mojave Desert: Dale Lake, 1.8 mi. W of Iron Age Rd & 0.7 mi. N of CA hwy 62 366 Comment
  UC668381  Lupinus arizonicus Annie M. Alexander and Louise Kellogg 1941-5-14 2167 Riverside 5 1/2 mi s Cottonwood Spring (Eagle Mountains, Colorado Desert); Colorado Desert, Eagle Mountains, Cottonwood Spring 502 Comment
  UCR142845  Lupinus arizonicus N. C. Cooper 1944-4-8 1083 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 305 Comment
  UCR90333  Lupinus arizonicus Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  UCSB3338  Lupinus arizonicus Sage, Paul 1958-3-22 Riverside 3 mi. directly S of jct. of road that crosses Joshua Tree National Monument, on U.S. 60 457 Comment
  UCSB41259  Lupinus arizonicus Cowan, Clark 1978-4-23 Riverside 6.3 mi. (10 km.) S on Hwy. 74 from its junction with Hwy. 111, at Indian Wells; Whittaker transect #W-219 (voucher) 480 Comment
  RSA736536  Lupinus bicolor Scott D. White 2004-4-26 10267 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UCR97489  Lupinus bicolor A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19868 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA33560  Lupinus bicolor subsp. microphyllus N. C. Cooper 1944-3-24 1008 Riverside Banning. 701 Comment
  SD63735  Lupinus breweri Peta Mudie 1965-7-5 488 Riverside Dry SW slope on NW side of Santa Rosa Mountain, on unpaved road from Hwy 74 to National Forest campsite 1000 Comment
  RSA407105  Lupinus breweri var. grandiflorus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
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Nov 22 2015
  SBBG35807  Lupinus concinnus D. Myrick 1966-4-2 1337 Riverside Mtn View Rd ca. 5 mi S of Desert Hot Springs Comment
  UC1506126  Lupinus concinnus R. T. and H. E. Clausen 1963-4-27 63073 Riverside se Winchester; Transverse Ranges 615 Comment
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Mar 20 2011
  POM307239  Lupinus concinnus subsp. optatus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2109 Riverside Santa Rosa Mountains. Comment
  RSA413545  Lupinus densiflorus var. lacteus N. Cooper 1944-5-5 1201 Riverside Calimesa. 305 Comment
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Nov 22 2011
  RSA670630  Lupinus densiflorus var. lacteus B. C. Templeton 1930-4-9 1493 Riverside East of Riverside 700 Comment
  UC130311  Lupinus excubitus H. M. Hall 1899-5-24 1375 Riverside s slopes El Toro Mt.; San Jacinto Mountains, s slopes El Toro Mt. 1828 Comment
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Jul 23 2008
  POM12627  Lupinus excubitus var. austromontanus Philip A. Munz, I. M. Johnston 1922-5-21 5499 Riverside 2 mile below Kenworthy, Thomas Valley 1372 Comment
  OBI19312  Lupinus excubitus var. hallii Tracey & Viola Call, Viola Call 1962-4-13 2126 Riverside Tin Mine Cyn near Corona 351 Comment
  POM12626  Lupinus excubitus var. hallii P. A. Munz, I. M. Johnston 1922-5-19 5407 Riverside Above Oak Cliff, San Jacinto Canyon. San Jacinto Mts. Comment
  RSA430285  Lupinus formosus David B. Dunn, Conrad, Kenney 1973-6-15 20769 Riverside Jct of Hwy 74 and 71, A Gas Station on the SW corner. 1433 Comment
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May 24 2012
  SEINET10485372  Lupinus formosus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7139 Riverside scattered yellow pine at margin of large valley, 5.9 mi se of jct of idlewild Rd and hwy 74 on 74. 1341 Comment
  RSA552730  Lupinus formosus var. formosus Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6752 b Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 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
  POM229048  Lupinus hyacinthinus Philip A. Munz 1937-5-30 15141 Riverside Santa Rosa Peak. 2409 Comment
  SD229159  Lupinus latifolius var. parishii Dick Schwenkmeyer 2012-6-27 737 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UC729904  Lupinus latifolius var. parishii Carl B. Wolf 1932-8-5 3951 Riverside 1st real wet meadow on trail from Tahquitz Valley to San Jacinto Peak (San Jacinto Mts.); San Jacinto Mts. 2743 Comment
  RSA560409  Lupinus longifolius Steve D. Boyd 1992-4-15 6881 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  JEPS65114  Lupinus microcarpus var. densiflorus W. L. Jepson 1914-5-25 6086 Riverside Banning Comment
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Mar 13 2011
  JEPS29290  Lupinus sparsiflorus Rimo Bacigalupi, and L. Heckard, P. C. Hutchison 1962-3-23 8361 Riverside lower end Morongo Wash (1.9 mi sw of the San Bernardino County Line); lower end of Morongo Wash 609 Comment
  RSA676091  Lupinus sparsiflorus Scott D. White 2001-4-13 8319 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
  RSA414816  Lupinus sparsiflorus subsp. sparsiflorus E. C. Jaeger 1921-3-21 s.n. Riverside Cottonwood Springs Comment
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Oct 9 2010
  UCR16260  Lupinus succulentus Shirley Hill 1963-4-24 630424- 5 Riverside 4 mi east of Sunymead on Hwy 60-70, in parking area of fruit stand 550 Comment
  RSA414402  Lupinus truncatus N. C. Cooper 1946-4-5 2039 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SD143893  Lupinus truncatus A. C. Sanders, G. Waines, et al. 1997-3-12 19867 Riverside Lake Skinner area; lower Rawson Canyon, along road northeast of Skinner Lake. 456 Comment
  UCR138827  Lupinus truncatus D. L. Banks 1997-2-23 1311 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  UCR213445  Lupinus truncatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37804 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  RSA0125368  Lycium andersonii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8763 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting near the Martinez Slide, approximately 4 air miles northeast of the summit of Martinez Mountain. 264 Comment
  RSA775400  Lycium andersonii Duncan S. Bell 2011-4-10 2250 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
  UCR139389  Lycium andersonii P. A. Munz 1949-4-11 12999 Riverside Mojave Desert, eastern end of Joshua Tree National Monument 945 Comment
  UCR244441  Lycium cooperi Jim Andre 2012-4-16 20932 Riverside Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center 956 Comment
  UC303698  Lycium torreyi Ivan Johnston 1917-4-4 Riverside Palm Canyon Comment
  UCR101804  Lythrum californicum George K. Helmkamp, E. A. Helmkamp 1998-8-17 4441 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UC1949954  Lythrum hyssopifolia R. F. Thorne, E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin May 1982 55215 Riverside Peninsular Ranges; Santa Ana Mountains region: SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. Comment
  UCR272884  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2009-10-9 497 Riverside southwest section of the Arica Mountains 410 Comment
  RSA559457  Madia gracilis Steve Boyd, Timothy S. Ross 1992-5-4 7210 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats area east of Verdugo Potrero 732 Comment
  RSA500088  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3224 Riverside Vail Lake area: Between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  CAS-BOT-BC206264  Malacothamnus fasciculatus Louis C. Wheeler 1931-10-4 218 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 853 Comment
  UCR104173  Malacothamnus fasciculatus Scott D. White 1997-5-25 5249 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  UCR123633  Malacothamnus fasciculatus var. fasciculatus Steven R. Hill, A. C. Sanders 2001-5-4 33731 Riverside Santa Rosa Plateau, Carancho Road, W side of De Luz Creek valley descending plateau, downslope from 'cut flower' farm. c. 1370 ft. NE of San Diego Co. line 186 Comment
  CSUSB1448  Malacothamnus fasciculatus var. laxiflorus Dorothy Detrich 1966-5-16 Riverside Riverbottom at base of Mount Rubidoux. Comment
  UCR35114  Malacothamnus fasciculatus var. laxiflorus L. B. Ziegler 1977-4-17 565 Riverside hills on W side of San Jacinto Valley 473 Comment
  RSA585506  Malacothrix clevelandii D. L. Banks, S. D. Boyd 1995-5-9 0367 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  RSA586865  Malacothrix clevelandii D. L. Banks, S. D. Boyd 1995-5-3 0284 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UC218096  Malacothrix clevelandii P. A. Munz and I. M. Johnston 1922-5-19 5347 Riverside 5 mi ne Murietta 457 Comment
  HSC99166  Malacothrix glabrata Paul J. CaraDonna 2009-3-15 121 Riverside Cholla Gardens, Joshua Tree National Park Comment
  POM362313  Malacothrix glabrata N. C. Cooper 1949-4-8 3296 Riverside Desert Center. 609 Comment
  RSA25142  Malacothrix glabrata C. L. Hitchcock 1940-4-3 5929 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  RSA525230  Malacothrix glabrata Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4607 Riverside Vail Lake area, NE of lake along Powerline road, 0.6 mile W of jct Hwy R3. Comment
  SBBG101709  Malacothrix glabrata S. Boyd with T. Ross, M. Hammitt 1991-5-2 6075 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
  UCR84640  Malacothrix glabrata Scott D. White, Steve Ogg 1994-4-21 1986 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA776240  Malacothrix stebbinsii Duncan S. Bell 2010-3-20 599 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR176693  Malva parviflora R. D. Goeden, Don W. Ricker 1965-6-10 s.n. Riverside Peninsular Range, Murrieta Township, Rancho Pauba, Hwy 71 [=79] at Temecula River Comment
  RSA0105864  Malva parviflora Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge & Santa Ana Riverbed Transect. Comment
  SD146224  Malvella leprosa A. C. Sanders, Mitch Provance 1999-9-26 23122 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi SE of Jackrabbit Trail on Gilman Springs Road, 1.4 mi. S of Eden Hot Spr. 433 Comment
  RSA651081  Marah macrocarpa Diane M. Ramirez 1983-5-15 8 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  UCR137559  Marah macrocarpa A. C. Sanders 2004-5-5 27759 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR160686  Marah macrocarpa John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  UCR97675  Marah macrocarpa A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19909 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  RSA692199  Marina parryi Scott D. White, Michael Honer 2003-5-14 9300 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA703489  Marina parryi LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1433 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., [second UTM:] UTM 3720669N, 654757E. 480 Comment
  SEINET244843  Marrubium vulgare A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24936 Riverside The Badlands; Hills and canyons west of Laborde Canyon, 1 mi NE of Eden Hot Springs, SW of Beaumont 610 Comment
  RSA409843  Marrubium vulgare Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains, open field. 579 Comment
  CAS-BOT-BC67842  Marsilea vestita John C. Roos 1952-5-21 5704 Riverside San Jacinto river bottomland 1 1/2 miles southeast of Perris 426 Comment
  CAS-BOT-BC71089  Marsilea vestita Robert F. Thorne; E. Lathrop; P. Munz 1968-5-8 37566 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 670 Comment
  RSA741103  Matricaria matricarioides Scott D. White, Justin M. Wood 2008-6-5 12084 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCR21984  Matricaria matricarioides Steve Boyd 1980-4-8 103 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR154842  Matricaria occidentalis A. C. Sanders, Kelly Volansky 2005-3-17 29242 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  SEINET7106389  Matthiola incana N. Duane Atwood 1993-3-28 17719 Riverside Bolsa Chica Ecological Reserve, California Dept. of Fish and Game.; 0 Comment
  RSA559433  Meconella denticulata Steve Boyd 1992-4-15 6859 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA588666  Medicago lupulina D. L. Banks, S. D. Boyd 1995-10-17 0819 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 524 Comment
  SEINET238796 Image available Melia azedarach A. C. Sanders 1997-1 20616 Riverside Lake Skinner area; old house site at gated road junction into Shipley Reserve area ca. 1 km NE of Lake Skinner in mout 457 Comment
  RSA700093  Melica frutescens Virginia Moran 2003-5-28 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management. Accessed from Wilson Valley Road. Comment
  SEINET2473431 Image available Melica frutescens Andrew C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 37745 Riverside Peninsular Range; Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 404 Comment
  UCR102853  Melica frutescens A. C. Sanders 1997-4-3 20145 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR124097  Melica frutescens Steven R. Hill 2001-5-3 33666 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
  CLARK-A1528-5188  Melica imperfecta John C. Roos 1950-4-29 4771 Riverside Box Springs Mountains 609 Comment
  UCR121175  Melica imperfecta D. E. Bramlet 1990-4-27 1992 Riverside Peninsular Range, Ridgeline 2100-2500 ft. (c. 0.4 mi.) NE of knoll '2502,' and 1200-1500 ft. (~ 0.21 mi.) west of Rawson Canyon 671 Comment
  UCR133447  Melica imperfecta Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 453 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR165425  Melica imperfecta A. C. Sanders 2005-4-21 29582 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR270313  Melica imperfecta T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8347 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
  UCR41238  Melica imperfecta N. M. Fellows 1984-3-20 7 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
  RSA500148  Melilotus albus Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3651 E Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  CSUSB1111  Melilotus indicus David H. Eslinger 1907-5-27 Riverside City of Riverside, UCR campus, near sidewalk along lawn northwest of geology building. 335 Comment
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Jul 26 2011
  UCR22078  Melilotus indicus Steve Boyd 1980-5-3 181 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  RSA0073110  Mentzelia affinis Jim Andre 2013-3-27 24806 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 241 Comment
  RSA0107459  Mentzelia albicaulis Duncan S. Bell, Amanda Turek 2009-3-29 148 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA0104078  Mentzelia involucrata Duncan S. Bell, Evan Meyer 2014-10-28 7670 Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  UCD117242  Mentzelia involucrata John Wear 1995-3-22 s.n. Riverside Colorado Desert, wash along Eagle Mountain Road, N of I-10 near Desert Center. Comment
  UCR216680  Mentzelia involucrata Jim Andre, T. La Doux 2009-3-10 11241 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
  UCR233171A  Mentzelia involucrata Jim Andre, Glenn L. Clifton 2011-2-22 17440 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR166291  Mentzelia jonesii Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  RSA583738  Mentzelia micrantha Steve Boyd 1995-4-24 8493 Riverside Palomar Range, Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near the rounded gabbro peak known as ''Agua''. 762 Comment
  RSA768121  Mentzelia micrantha E. W. Lathrop 1973-6-28 7447 Riverside Bear Springs on the Main Divide Truck Trail, 1 mi E of Santiago Peak. Cleveland National Forest Comment
  UCR241851  Mentzelia montana A. C. Sanders, Timothy W. Chumley 2013-4-5 40770 Riverside Peninsular Range, Temescal Canyon, 10 miles south of Corona, near El Hermano Rd., NW of Corona (Lee) Lake and SE of Glen Ivy 313 Comment
  RSA771698  Mentzelia veatchiana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4698 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 W116.65126 604 Comment
  CAS-BOT-BC435295  Mesembryanthemum nodiflorum A. C. Sanders; K. C. Rose 1998-5-21 21853 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  RSA556457  Mesembryanthemum nodiflorum Julie Greene 1993-4-30 1261 Riverside San Jacinto Wildlife Area. N of San Jacinto River drainage. 433 Comment
  RSA556440  Microseris douglasii subsp. douglasii Julie Greene 1993-4-17 1203 Riverside San Jacinto Wildlife Area. W of San Jacinto River, W of Davis Rd. 439 Comment
  RSA524416  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4108 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
  UCR267163  Microseris douglasii subsp. platycarpha Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 15 Riverside Temecula/Murrieta Region, Murrieta, S of Keller Rd., along dirt portion of Menifee Rd. (unmarked), on the old Clydesdale horse ranch 461 Comment
  RSA645675  Microseris heterocarpa Scott D. White 1999-5-2 7293 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
  RSA563890  Microseris lindleyi Scott D. White 1993-4-20 1208 Riverside Estelle Peak, Gavilan Hills. 823 Comment
  UCR156373  Microseris lindleyi T. B. Salvato, Kent Beaman 2005-5-16 875 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
  RSA435492  Mimulus aurantiacus Bonnie C. Templeton 1930-4-5 s.n. Riverside Temecula Comment
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Oct 2 2009
  JOTR01209  Mimulus aurantiacus Moran, Reid 1941-5-5 845 Riverside Joshua Tree National Park. EAST OF QUAIL SPRING 396 Comment
  UCR230913  Mimulus aurantiacus var. aurantiacus T. B. Salvato, Richard Camacho 2011-6-12 5489 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  RSA16511  Mimulus aurantiacus var. pubescens Percy C. Everett 1935-6-17 7147 Riverside Coldwater Can. , trail to Santiago Pk. 1/3 mi. above Glen Ivy Resort. 457 Comment
  RSA0056603  Mimulus aurantiacus var. pubescens Steve Boyd 1986-4-22 1749 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  POM8967  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2287 Riverside Butte west of Lakeview. 610 Comment
  RSA442709  Mimulus aurantiacus var. puniceus E. Crow 1929-4-21 342 Riverside Hills west of Lake elsinore Comment
  UC943853  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1900 A Riverside Temecula Grade Comment
  UCR35234  Mimulus aurantiacus var. puniceus L. B. Ziegler 1969-4-25 347 Riverside San Jacinto Valley, hills on west side of valley in Coyote Pass area 518 Comment
  SEINET3159638  Mimulus bigelovii S. B. Parish 1907-4-22 6165 Riverside Western border of the Colorado desert. 200 Comment
  JOTR32322  Mimulus bigelovii var. bigelovii Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  UC1012086  Mimulus brevipes F. W. Pennell and A. L. Grant 1940-4-28 25275 Riverside 7-8 mi e Hemet (Route 74) 548 Comment
  UCR133661  Mimulus brevipes 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
  UCR35246  Mimulus brevipes L. B. Ziegler 1967-5-18 127 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  UCR35247  Mimulus brevipes L. B. Ziegler 1967-8-1 197 Riverside Peninsular Range; San Jacinto Mtns., Upper Herkey Creek area 1524 Comment
  UC489127  Mimulus breweri C. V. Meyer 1928-7-31 599 Riverside Tahquitz Valley San Jacinto Mt. 2286 Comment
  PASA106  Mimulus cardinalis Sally Ellis 1939-6-26 Riverside Halona Comment
  SEINET3078508 Image available Mimulus cardinalis Emily E. McGregor 1972-5-21 s.n. Riverside Santa Ana River bottom, off Freemont Drive Comment
  UCR161406  Mimulus cardinalis A. C. Sanders, Mike Misenhelter 2005-9-20 31682 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  NY90708  Mimulus diffusus W. L. Jepson 1961-5-29 1959 Riverside Palomar Comment
  CLARK-A1528-864  Mimulus fremontii Ellen Predmore 1971-5-3 Riverside San Jacinto Valley 457 Comment
  RSA0014937  Mimulus fremontii var. fremontii LeRoy Gross, Evan Meyer 2013-5-21 6122 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  UCR195123  Mimulus guttatus A. C. Sanders, Tim Thomas 2008-8-1 35958 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  CSUSB914  Mimulus longiflorus S. L. Lackey 1973-5-15 Riverside Box Springs Mountains Box Springs Mountains, near lookout station; slopes. 914 Comment
  RSA0030782  Mimulus moschatus var. longiflorus N. C. Cooper 1944-7-16 1564 Riverside San Jacinto Mtns. above Pine Cove. Along mountain trail. 1829 Comment
  CSUSB895  Mimulus puniceus David M. Peterson 1966-2-27 Riverside 9 miles southwest of Murrieta 609 Comment
  SEINET212653  Mirabilis bigelovii var. retrorsa L. C. Higgins 1974-4-12 8480 Riverside 5 mi S of Morongo Valley on Hwy 62 Comment
  UCR101799  Mirabilis californica George K. Helmkamp, E. A. Helmkamp 1997-3-5 1319 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR138825  Mirabilis californica D. L. Banks 1997-2-23 1306 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  CAS-BOT-BC434687  Mirabilis laevis var. crassifolia M. McCollum 1976-6-10 2039 Riverside 8 mi. SSW of Yucca Valley 914 Comment
  UC1136585  Mirabilis laevis var. crassifolia R. St. John 1931-2-13 184 Riverside Rome Hill Elsinore 1310 Comment
  UCR211710  Mirabilis laevis var. crassifolia Fred M. Roberts, Michelle Balk 2006-5-1 6325 Riverside Perris Basin, Old Salt Creek watershed, South Hemet Hills, west of California Ave, c. 2.8 km southwest of the west end of Hemet Ryan Airport runway 483 Comment
  CAS-BOT-BC434831  Mirabilis laevis var. retrorsa H. M. Hall 1905-4-1 5798 Riverside Colorado Desert. 10 mi. west of Coachella. 91 Comment
  JEPS61296  Mirabilis laevis var. villosa W. L. Jepson 1901-5-22 1390 Riverside Palm Canyon Comment
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May 15 2012
  UCR135710  Mirabilis multiflora Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9021 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  CAS-BOT-BC229626  Mirabilis tenuiloba A. C. Sanders; G. Helmkamp 1996-3-17 17990 Riverside Coachella Valley: Palm Springs, mouth of Palm Cyn, ca. 0.5 km E of Palm Canyon Drive on Bogert Trail 163 Comment
  SEINET11942042  Mirabilis tenuiloba Unknown 1936-1 12846 Riverside Colorado Desert, N of Palm Springs Comment
  JEPS9872  Mohavea confertiflora Dr. L. M. Newlon 1922-4-4 461 Riverside Mount San Jacinto, Palm Canyon Palm Canyon; Mount San Jacinto, Palm Canyon Comment
  RSA457757  Mohavea confertiflora Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2118 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA774304  Mohavea confertiflora Duncan S. Bell 2011-4-8 2197 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  JOTR32414  Mollugo cerviana Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 5 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  UCR251724  Mollugo cerviana Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 58 Riverside Sonoran (Colorado) Desert, east of Alligator Rock; from I-10 at Desert Center, head south on CA 177 to BLM Rd 394 (dirt), collection site is 1.1 miles SW of I-10 exit ramp 334 Comment
  SD71850  Monardella breweri subsp. lanceolata Helen V. Witham 1969-7-2 194 Riverside 7.0 miles south of Murietta on road to De Luz. 299 Comment
  RSA753939  Monardella lanceolata W. Schlegel 2009-6-2 44 Riverside Idyllwild, Red Mountain Fire Lookout Telecom Sites. Comment
  CLARK-A1528-1335  Monardella linoides John C. Roos 1946-9-14 3009 Riverside San Jacinto Mountains 1097 Comment
  CAS-BOT-BC215456  Monardella linoides subsp. linoides Lewis S. Rose 1935-12-23 35697 Riverside Above Deep Canyon, 22 mi. S. of Cathedral city, Colorado Desert, San Jacinto Mts. 1066 Comment
  RSA771487  Monardella linoides subsp. linoides Mark A. Elvin 2004-8-3 3653 Riverside Garner Valley, east of Hwy 74, southof Fobes Ranch Road, north of Morris Ranch Road 1402 Comment
  UCR217559  Monardella macrantha subsp. hallii Jeff B. Galvin 2009-7-14 95 Riverside Peninsular Ranges, San Jacinto Mountains, Chimney Flats, along Old Control Road 1383 Comment
  CAS-BOT-BC215490  Monardella nana E. McClintock; H. Lewis 1941-6-29 80 Riverside Road up Santa Rosa Mt. 5 1/2 miles beyond canyon where stream crosses road Comment
  LA205748  Monardella nana Elizabeth McClintock; Harlan Lewis 1941-6-22 70 Riverside Stone Creek, on the Banning-Idyllwild road Comment
  RSA0124007  Monardella nana Duncan S. Bell, Thomas Stoughton 2016-4-13 9244 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  RSA762736  Monardella nana Patrick Garrett, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 79 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC1499881  Monardella nana Elizabeth McClintock 1941-5-22 Riverside Anza Monument, 5 miles south of Anza on road to Coyote Canyon Comment
  UC1499919  Monardella nana E. McClintock, H. Lewis 1941-6-29 75 Riverside Santa Rosa Mt. 4 1/2 miles above Pines to Palms Highway in canyon where stream crosses road up mountain Comment
  SEINET10582212  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 53 Riverside San Bernadino National Forest, Thomas Mtn. Go ca. 50 yds. past the former lookout tower site on Thomas Mtn. summit. Monardella nana is off the road, to the right ca. 75 yds. T6S,R3E,S29. Need USNFS permission to collect. Small, dense, population growing among the rocks in clearing, surrounded by Pinus ponderosa, Abies concolor, Calocedrus decurrens, Quercus chrysolepis, with Eriogonum fasciculatum, Lupinus sp., Gutierrezia sp., Galium andrewsii, Bromus sitchensis, Ribes roezlii. Mid-bloom. Comment
  UC123562  Monardella nana subsp. tenuiflora F. M. Reed 1908-7-13 2491 Riverside ridge n Tahquitz Valley; San Jacinto Mountains 2621 Comment
  RSA797240  Monardella odoratissima subsp. australis Robert F. Thorne, Walter Wisura 1977-9-17 50769 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCSB30442  Monoptilon bellioides Wheeler, William 1975-3-9 Riverside In Box Canyon Wash, 13 miles south of interstate 10 on Hwy. 195, south side of road 60 Comment
  JOTR00918  Monoptilon bellioides Sipe, Frank 1958-3-5 217 Riverside Joshua Tree National Park. PLEASANT VALLEY Comment
  SEINET10801000  Monoptilon bellioides David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3718 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  POM12714  Montia chamissoi P. A. Munz 1922-7-6 5994 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  POM183877  Muhlenbergia asperifolia P. A. Munz 1932-10-16 12844 Riverside Road from Deep Canyon to Vanderventer Flat, Santa Rosa Mts. 1067 Comment
  RSA69814  Muhlenbergia asperifolia J. C. Roos 1951-9-25 5257 Riverside West end Fairmount Park 259 Comment
  UCR174308  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32651 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA0104440  Muhlenbergia porteri Duncan S. Bell, Evan Meyer 2014-10-28 7668 A Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  SEINET13310630  Muhlenbergia porteri A. C. Sanders 2015-9-11 41869 Riverside Sonoran (Colorado) Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of GAsline Rd. 646 Comment
  CLARK-A1045-175  Muilla maritima George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5' Q Comment
  RSA0117827  Muilla maritima Sarah J. J. De Groot, Grace Cho 2016-4-4 7771 Riverside Santa Rosa Mountains, southwest of Palm Desert, north of Alpine Village and Highway 74. Along Dunn Road at the northwest foot of Asbestos Mountain, near the head of Dutch Charlie Canyon. 1136 Comment
  RSA282919  Muilla maritima C. W. Tilforth, B. Busenberg 1980-6-17 2007 Riverside 0.1 mi. in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet. Comment
  RSA741066  Muilla maritima Scott D. White, Justin M. Wood 2008-6-5 12074 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UC854358  Myosurus minimus subsp. apus P. A. Munz, I. M. Johnston 1922-5-19 5379 Riverside Menifee Valley 411 Comment
  SD87753  Myriopteris covillei Frank W. Peirson 1921-3-22 2331 Riverside Murray CaA'on Comment
  UC1971485  Myriopteris newberryi Scott D. White 1999-5-28 7435 Riverside Ca. 3 air miles SE of jtn. Cajalco Rd. / Gavilan Rd.: East of Juniper Rd. between Blue Sky Drive and Celestial Dr. Comment
  OBI2155  Nama demissa P. A. Holden 1969-3-29 678 Riverside Just W of state hwy 62 and N of Mission Crk at foot of Morongo Grade Comment
  RSA457755  Nama demissa Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2119 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA699658  Nama demissa Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  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
  SD148142  Nama stenocarpa D. E. Bramlet, Et al. 1999-10-15 2817 Riverside 198 m S of Gilman Hot Springs Road, 1.22 km NW of Hwy 79 and 2.1 km S of Jackrabbit Trail 433 Comment
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Mar 21 2011
  SD193304  Nama stenocarpa Chris E. True, Robert Cox 2005-7-21 Riverside Mystic Lake, lakeshore west sof Bridge Street intersection with Gilman Springs Road. 436 Comment
  RSA92555  Nassella cernua J. C. Roos 1952-5-7 5621 Riverside Edgemont 488 Comment
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May 21 2011
  RSA689453  Nassella lepida Scott D. White, Michael Honer 2003-4-9 8997 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  SEINET270217  Nassella lepida Scott White 1994-6-21 2083 Riverside Santa Gertrudis Creek about 1 mile east of Skunk Hollow (Batchelor Mountain Quad) 396 Comment
  RSA689488  Nassella pulchra Scott D. White, Michael Honer 2003-4-2 8899 Riverside Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  RSA431565  Nasturtium officinale N. C. Cooper 1944-5-6 1175 Riverside Whitewater Canyon. 457 Comment
  RSA431575  Nasturtium officinale Dr H. de Forest 1933-4-16 17598 Riverside Chino Canyon, Colorado Desert, E of Coachella Valley Comment
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Mar 28 2011
  UCR112000  Navarretia atractyloides A. C. Sanders, T. B. Salvato 2000-5-25 23425 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
  RSA532574  Navarretia fossalis D. E. Bramlet, P. Gordon Reedy 1991-5-8 2126 Riverside 30m east of California Ave. and 75m north of the AT and SF railroad tracks. The population is NE of the intersection of California Ave. and Marvin Hull Road. Some 10-300m west of MWD Canal. 498 Comment
  UCR70681  Navarretia fossalis D. E. Bramlet 1991-6-1 2170 Riverside Perris-Aguanga Basin region, San Jacinto River, about 2.2 km west of Lakeview, within the riverbed, 1 mi north of MWD (Colorado Aqueduct) easement road 473 Comment
  RSA191425  Navarretia hamata subsp. hamata E. W. Lathrop, R. F. Thorne 1967-9-26 6604 Riverside 6 miles NW of Murieta, Riverside Co. Tenaja Road a the pass enterring valley leading to Tenaja Guard stst. Comment
  UCR234454  Navarretia intertexta Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  UCR233161A  Nemacladus Jim Andre, Glenn L. Clifton 2011-2-22 17450 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  POM316904  Nemacladus glanduliferus P. A. Munz 1930-5-1 11922 Riverside Morongo Valley. Comment
  UCR127494  Nemacladus glanduliferus A. C. Sanders 1995-4-13 16494 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
  RSA0126449  Nemacladus longiflorus var. longiflorus Mary F. Spencer 1921-7-7 1661 Riverside Tahquitz Trail. Idyllwild. San Jacinto Mtns region. 1829 Comment
  UCR102940  Nemacladus orientalis George K. Helmkamp 1998-4-4 3147 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  CAS-BOT-BC416315  Nemacladus ramosissimus A. C. Sanders 1998-6-10 21980 Riverside San Jacinto Mtns.: FS road 6S13 toward Thomas Mtn., 1.3 mi. above Hwy 74 in Garner Valley at a point 3.1 mi E of Keen Camp Summit, ca 1 mile due south of Lake Hemet 1463 Comment
  UCR266495  Nemacladus ramosissimus Mitch Provance, Robin Kinmont 2015-3-30 315- 57 Riverside Temecula/Murrieta Region, Murrieta Hot Springs, unnamed hill about 0.5 miles W of Skunk Hollow, S of Hidden Lake Rd. 440 Comment
  UCR28721  Nemacladus ramosissimus John C. Roos 1947-3-15 3344 Riverside San Jacinto Valley, Valle Vista, east of Hemet 549 Comment
  RSA759208  Nemacladus ramosissimus Robt. Allen, L. Fuentes 2008-4-10 s.n. Riverside Along Bear Canyon Trail, 0.21 air mile SSE of the trailhead near Ortega Hwy. 664 Comment
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Jan 16 2012
  RSA774903  Nemacladus tenuis var. aliformis Duncan S. Bell, Amber Swanson 2011-2-18 2042 Riverside Mecca Hills; in a narrow canyon on the west side of Box Canyon Road not far from Shavers Well. 289 Comment
  POM3740  Nemophila menziesii Alice Eastwood 1904-4-4 4124 Riverside Elsinore, Riverside County. Comment
  SEINET7067555  Nemophila menziesii A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. Coordinate datum: NAD27. Comment
  UCR91222  Nemophila menziesii Scott D. White 1996-3-31 3862 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
  RSA613472  Nemophila menziesii var. menziesii D. L. Banks, Victor W. Steinmann 1997-3-13 1449 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA781023  Nicotiana clevelandii D. Silverman, Onkar Singh 2010-3-27 7861 Riverside McCoy Wash, N of Palo Verde Mesa, 4.8 km WSW of Mesaville siding, W of A Canal/Levee Blvd., and ca. 6 km N of Blythe Airport 131 Comment
  UCD126668  Nicotiana glauca Gordon Pilone 1961-3-1 96 Riverside White Water Canyon, one-half mile from fish hatchery. 457 Comment
  UCR176679  Nicotiana glauca G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  UCR91531  Nicotiana glauca Scott D. White 1995-4-5 2714 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  RSA593999  Nicotiana glauca D. L. Banks, Elizabeth Hedge Banks 1996-5-2 942 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  RSA799245  Nicotiana obtusifolia Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 733 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  UCR166544  Nicotiana obtusifolia Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10890 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  SEINET4098931  Nicotiana trigonophylla G. T. Manthey 1977-1 1621 Riverside 10 miles east of Mecca, along road going to Joshua Tree National forest. Comment
  RSA0055017  Nicotiana trigonophylla Jim Shevock 1970-12-12 559 Riverside Joshua Tree National Monument. 975 Comment
  SD229042  Nolina parryi Dick Schwenkmeyer 2012-3-26 659 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  CLARK-A1528-3582  Notholaena newberryi John C. Roos 1937-5-2 1412 Riverside La Sierra Comment
  SD236421  Nuttallanthus texanus John F. Green 2006-4-25 Riverside Peninsular Ranges; Temecula, Southern California Edison right of way between residental areas, N-S corridor between S General Kearny Road and La Serena Way; E of Veterans park 366 Comment
  POM3327  Oenanthe sarmentosa D. L. Crawford 1916-3-1 s.n. Riverside Santa Ana River Valley Comment
  UC56462  Oenothera californica subsp. californica H. M. Hall 1902-4-23 2956 Riverside S. Ana River vicinity of Riverside 243 Comment
  RSA604766  Olea africana A. C. Sanders 1996-10-23 19643 Riverside Rubidoux Mt, NE foot of the Mtn above the end of 9th Street. 305 Comment
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Jun 26 2008
  RSA0108823  Oligomeris linifolia Duncan S. Bell, Amanda Turek 2009-3-30 180 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  UCR110451  Oligomeris linifolia D. E. Bramlet, D. Bradney 1990-6-21 2043 Riverside Peninsular Range, Vail Lake peninsula, a portion of the ridgeline between Kolb and Temecula Creeks. The site is approximately 805m northwest of the marina and on the northeast edge of the peninsula. 476 Comment
  CHSC955  Olneya tesota V. Holt 1942-3-28 Riverside Colorado river near Blythe. 82 Comment
  UCR240203  Olneya tesota C. J. Minar 1994-5-7 06 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Salton Sea near Dos Palmas Oasis -27 Comment
  CAS-BOT-BC248281  Oncosiphon piluliferum A. C. Sanders; T. B. Salvato 2011-4-4 38975 Riverside Peninsular Range: Lake Elsinore, Hwy 74 (Riverside Dr.) at Baker St. 382 Comment
  CAS-BOT-BC349926  Oncosiphon piluliferum A. C. Sanders 2011-3-30 38906 Riverside Peninsular Range: city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  CAS-BOT-BC349927  Oncosiphon piluliferum A. C. Sanders; T. B. Salvato 2005-5-17 30239 Riverside Perris Basin: San Jacinto Valley, Gilman Springs Rd. at Quail Lake Golf Course 439 Comment
  SD193038  Oncosiphon piluliferum Scott D. White, Justin Wood 2008-5-1 11925 Riverside Perris Basin: I-215 Freeway corridor, between freeway and frontage road, south of Scott Road. 470 Comment
  SEINET8191817 Image available Oncosiphon piluliferum D. W. Taylor 2003-5-8 18551 Riverside San Jacinto Wildlife Area, Davis Road, 0.5 mile N of Lakeview. 434 Comment
  UCR116808  Opuntia basilaris A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23938 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  SEINET10907380  Opuntia basilaris A. Evans 1976-4-13 Evans 5171 Riverside Rocky slopes of santa rosa mtns. Comment
  RSA355169  Opuntia chlorotica A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6462 Riverside Pinyon Flats, Santa Rosa Mountains, ca. 0.1 mi. S of Hwy 74 on the road to the refuse transfer station and the dolomite mine, S of campground. 1220 Comment
  CAS-BOT-BC56217  Opuntia ficus-indica C. B. Wolf; P. C. Everett 1938-9-29 9462 Riverside Field redacted by CAS, contact the data manager for more information 335 Comment
  UCR42625  Opuntia littoralis A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-19 6456 Riverside Peninsular Range, Juniper savannah along Cajalco Road on the south side of Lake Mathews, 1.8 mi west of junction with El Sobrante Road 457 Comment
  UC29817  Oreostemma alpigenum var. andersonii H. M. Hall 1901-7-30 2574 Riverside Tauquitz Valley 2499 Comment
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Aug 21 2007
  JEPS70889  Orobanche cooperi L. R. Heckard 1973-4-24 3321 A Riverside 16.3 mi. n. Desert Center (on rd. to Rice) 243 Comment
  JEPS85939  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4518 Riverside at lower end of Box Canyon near Garfield St. junction of Mecca; Box Canyon 91 Comment
  UCR104925  Orobanche fasciculata A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20657 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
  UCR263229  Orobanche fasciculata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41461 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  UC64191  Osmorhiza brachypoda H. M. Hall 1898-4-9 886 Riverside Temescal Comment
  SDSU17529  Oxalis pes-caprae Jerry Jenkins 2001-4-2 2001 -044 Riverside Santa Margarita Ecological Reserve. Stream in side canyon west of S.M. River, UTM zone 6, 481900E, 3700200N. UTM transfered to GIS. 162 Comment
  UC6616  Oxytheca trilobata Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  UC849856  Oxytheca trilobata P. A. Munz 1922-6-25 5818 Riverside Vandeventer Flat San Jacinto Mts. 1402 Comment
  UCR121240  Oxytheca trilobata Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2285 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR201632  Oxytheca trilobata Scott D. White, Justin M. Wood 2008-6-16 12130 Riverside San Jacinto Mountains, Fobes Ranch Road north of Quinn Flat 1463 Comment
  UCR275947  Oxytheca trilobata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3786 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  RSA434256  Paeonia californica Christopher Davidson 1973-4-1 1805 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  RSA500066  Paeonia californica Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3245 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 426 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
  UCR178577  Palafoxia arida R. G. Swinney 1967-2-11 0034 Riverside San Jacinto Mtns./ Sonoran (Colorado) Desert, Snow Creek 366 Comment
  VVC1457  Palafoxia arida var. arida A. C. Sanders 1996-11-23 19655 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  RSA66302  Papaver californicum F. W. Peirson 1918-03 1890 Riverside Irrigated field near Indio. Comment
  UCR37456  Papaver californicum Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  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
  UCR91482  Parietaria hespera var. californica Scott D. White, M. Jacobsmeyer 1996-4-20 3949 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  UCR96704  Parietaria hespera var. californica A. C. Sanders 1997-3-1 19722 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  SEINET10852748  Parkinsonia aculeata David B. Dunn 1948-6-18 Dunn 332 Riverside Trees planted along highway; near Cabazon. Comment
  RSA791480  Parkinsonia florida Jim Andre 2012-4-15 20852 Riverside West end of Hayfield Dry Lake, 0.3 mi. N of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10. 395 Comment
  UCR167256  Parkinsonia florida John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  CLARK-A1528-2019  Pectis papposa John C. Roos 1937-8-22 1212 Riverside Comment
  RSA339231  Pectis papposa R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53597 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  RSA709112  Pectis papposa Scott D. White, Justin M. Wood 2005-9-27 11230 Riverside San Gorgonio Pass: Cabazon: Alluvial benches and braided dry channels south of Interstate 5 [I-10] and west of San Gorgonio River. 579 Comment
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Mar 18 2012
  UC1922868  Pectocarya linearis Scott D. White, Angelia Carey 2004-4-5 10002 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Lake Fulmor 7.5' Quad. Comment
  RSA614669  Pectocarya linearis subsp. ferocula Scott D. White 1997-2-28 4726 Riverside SE of Hwy 74, ca 1 mi E of junction with Hwy I-15 Fwy. 457 Comment
  SDSU18953  Pectocarya linearis subsp. ferocula C. Matt Guilliams, Jeannine Ross 2008-3-12 535 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 436 Comment
  RSA525688  Pectocarya penicillata Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4559 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UCR213612  Pectocarya penicillata A. C. Sanders, Matthew Malle 2010-4-23 38004 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR116623  Pectocarya peninsularis A. C. Sanders 2001-3-20 23853 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  UCR148472  Pectocarya peninsularis S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR84836  Pectocarya peninsularis A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16140 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA77862  Pectocarya platycarpa F. W. Peirson 1920-2-16 1014 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  RSA795743  Pectocarya platycarpa J. Andre 2012-3-19 21314 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  UCR175238  Pectocarya platycarpa Jim Andre, T. La Doux 2006-4-11 6743 Riverside S Mojave Desert, Joshua Tree National Park, along Pinto Basin Road (paved) through Wilson Canyon at Fried Liver Wash 858 Comment
  UCR74399  Pectocarya platycarpa Theo Glenn 1992-3-31 92 16 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  RSA336044  Pectocarya recurvata R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52025 Riverside Chino Canyon Comment
  SEINET3084049 Image available Pectocarya recurvata Andrew C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19678 Riverside Colorado Desert/San Jacinto Mtns: ; Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon 183 Comment
  UCR218471  Pectocarya recurvata Jim Andre, T. La Doux 2009-3-10 11254 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
  UCR84837  Pectocarya recurvata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16208 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  UCR249920  Pectocarya setosa A. C. Sanders, Steve Boyd, Fred M. Roberts, Robt. L. Allen 2009-4-9 36790 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, c. 0.4 mi. SE of the summit 1014 Comment
  RSA770846  Pellaea andromedifolia Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4942 Riverside San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  UCR194239  Pellaea andromedifolia Mitch Provance, Michael L. Fugate 2005-4-14 10053 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 Comment
  RSA126030  Pellaea mucronata var. mucronata E. K. Balls, Percy C. Everett 1957-8-20 22673 Riverside 14.7 mi. SW and W along State Hwy. 74 from Palm Village (jct. with State Hwy 111) 1127 Comment
  CAS-BOT-BC266693  Penstemon californicus Philip A. Munz 1937-5-31 15122 Riverside Kenworthy, S end of San Jacinto Mountains 1371 Comment
  UC1463882  Penstemon californicus Jeanine Derby 1976-8-10 Riverside Garner Valley San Jacinto Mts., Garner Valley 1371 Comment
  RSA710222  Penstemon centranthifolius N. C. Cooper 1944-7-15 1580 Riverside Palms to Pine Hwy 1463 Comment
  SEINET10299439  Penstemon centranthifolius K. Nakano 1969-4-18 27 Riverside 5.9 mi E of US Hwy 395 on Hwy 71, E of Temecula 152 Comment
  UCR16007  Penstemon centranthifolius David T. Wright 1966-5-16 s.n. Riverside San Jacinto Mtns, 8 mi SE of Banning, at Hurley Flats Rd 1341 Comment
  UCR24781  Penstemon centranthifolius W. W. Mayhew 1981-5-21 s.n. Riverside San Jacinto Mtns., Garner Valley. 0.5 mi east of Lake Hemet on Thomas Mtn. Road. 1341 Comment
  RSA97214  Penstemon centranthifolius R. M. Straw 1953-6-23 472 Riverside North of Fulmor Lake, Idyllwild to Banning Rd. Comment
  LA35546  Penstemon clevelandii Ronald A. Cross; April 1952 - May 1952 sn Riverside Santa Rosa Mountains, near junction of Santa Rosa Trail & California Hwy 74 Comment
  NY601200  Penstemon clevelandii var. mohavensis A. M. Alexander 1941-5-4 2120 Riverside Barker Dam 1322.8 Comment
  RSA408449  Penstemon grinnellii E. C. Jaeger 1923-6-21 s.n. Riverside Idyllwild 1616 Comment
  UC454142  Penstemon labrosus I. J. Condit 1910-6-21 Riverside near Idyllwild (San Jacinto Mts.); , near Idyllwild 1584 Comment
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Mar 21 2011
  UCR122523  Penstemon spectabilis George K. Helmkamp, E. A. Helmkamp 2001-5-20 6683 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  RSA0014938  Penstemon spectabilis var. spectabilis LeRoy Gross, Evan Meyer 2013-5-21 6121 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  RSA0034536  Peritoma arborea D. Dunlop 1977-3-21 204 Riverside Desert Hot Springs. Comment
  POM7074  Perityle emoryi P. A. Munz 1919-5-7 2779 Riverside Tahquitz Canyon 244 Comment
  RSA651715  Perityle emoryi Viki Cruz 1983-5-8 006 *k Riverside Collected on a slope in between some large rocks about three-quarter mile into Magnesia Canyon, Santa Rosa Mts. Comment
  UCR224306  Perityle emoryi Justin M. Wood, Jamie Miner 2010-4-29 1542 Riverside Coachella Velley, Cathedral City, 0.5 mi southwest of intersection of East Palm Canyon Drive and Cathedral Canyon Wash 160 Comment
  UCR256723  Perityle emoryi Duncan S. Bell 2011-12-30 3041 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  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
  UCR19122  Petalonyx linearis John C. Roos, Lucille Roos 1949-4-6 4150 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon bottom near Pope, Hot Mineral Springs 61 Comment
  RSA0065562  Petalonyx linearis Foster 1961-5-5 s.n. Riverside Highway 74, Palms to Pines, near Palm Desert. Comment
  JOTR35001  Petalonyx thurberi subsp. thurberi La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3103 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  RSA444309  Peucephyllum schottii Walter Wisura 1988-3-1 4180 Riverside Frontage Road, off I-10, near pumping station in Pinkham Wash area. Comment
  RSA26586  Phacelia ambigua J. T. Howell 1928-3-24 3504 Riverside Near Palm Wash, 35 miles S of Indio and 5 miles W of Hwy Crumbly clay soil. Comment
  RSA426009A  Phacelia ambigua H. de Forest, Jack Rempel 1935-4-14 s.n. Riverside Mojave Desert between Lost Horse Valley and Pinto Basin. Comment
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Jan 8 2017
  RSA0012187  Phacelia ambigua var. minutiflora Dave Silverman, Mark Bibbo 2010-3-30 7836 Riverside east flank of southern McCoy Mountains, 3.0 km W of Black Creek Rd, 5.8 km NE of McCoy Peak, and 7 km north of I-10 195 Comment
  JEPS1548  Phacelia brachyloba Carl V. Meyer 1929-6-18 779 Riverside s Thomas Mt. (summit of grade); San Jacinto Mts., Hamilton Grade Comment
  RSA740084  Phacelia brachyloba Scott D. White, Justin M. Wood 2008-6-16 12149 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  UCR37457  Phacelia brachyloba Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  POM3749  Phacelia campanularia H. M. Hall 1902-04 2818 Riverside Coyote Canyon 183 Comment
  UCR444  Phacelia campanularia B. A. Carlson 1978-3-18 s.n. Riverside Sonoran (Colorado) Desert, west of White Water Comment
  JOTR34220  Phacelia campanularia subsp. campanularia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2984 Riverside Joshua Tree National Park. Little San Bernardino Mts, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area Comment
  UCR214908  Phacelia campanularia subsp. campanularia Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12586 Riverside San Bernardino Mountains, ridgeline east of Whitewater Canyon, c. 2 miles north of town of White Water (Hwy I-10), near Super Creek Quarry 747 Comment
  UC791036  Phacelia campanularia subsp. vasiformis Carroll E. Wood Jr. and Thomas Morley 1949-5-1 7624 Riverside sw-facing slope at Key's View Joshua Tree National Monument, Little San Bernardino Mountai (mts. above Coachella Valley) Comment
  SEINET7073443  Phacelia cicutaria var. hispida A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UCR180136  Phacelia cicutaria var. hispida Mitch Provance 2003-4-26 9886 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
  UCR207633  Phacelia cicutaria var. hispida O. F. Clarke 2005-5-12 s.n. Riverside Peninsular Range; Moreno Valley, Kucera residence, 11681 Dalehurst, Moreno Valley 625 Comment
  UCR124004  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 2001-4-14 6465 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  RSA0119975  Phacelia crenulata var. minutiflora Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9092 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  HSC93338  Phacelia distans Scott D. White 1996-4-14 3902 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 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
  UCR133367  Phacelia distans Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 291 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCR98692  Phacelia distans S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  CLARK-A1528-560  Phacelia fremontii Ellen Predmore 1971-5-3 Riverside 457 Comment
  POM19572  Phacelia imbricata subsp. patula Mary F. Spencer 1923-8-4 2224 Riverside Fern Valley Idyllwild, San Jacinto Mts. 1646 Comment
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Oct 30 2008
  UC219582  Phacelia imbricata subsp. patula P. A. Munz 1922-7-8 6060 Riverside Fern Valley San Jacinto Mts. 1767 Comment
  UC672713  Phacelia imbricata subsp. patula Harlan Lewis 1942-1 1709 Riverside near Idyllwild; Saunders Meadow Comment
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Sep 23 2013
  JOTR30257  Phacelia ivesiana Leary, C. and Leary, Pat 1979-5-6 3029 Riverside Joshua Tree National Park. ca. 1.0 mi S.E. of Quail Mtn., Joshua Tree N.M., T2S R7E sec 14 Comment
  SEINET3119619 Image available Phacelia minor Philip A. Munz 1940-3-22 15655 Riverside Whitewater Canyon, 2 miles north of Banning-Indio boulevard Comment
  SJSU11224  Phacelia minor G. B. Youngberg 1956-3-27 178 Riverside near La Serra College, Arlington 300 Comment
  UCR98212  Phacelia minor B. G. Pitzer 1997-4-1 3060 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCSB9327  Phacelia minor Lloyd, Robert 1960-3-23 Riverside 2 miles up Snow Canyon Road from State Rd. 111; San Jacinto Mt. Range; Colorado Desert drainage area 609 Comment
  RSA0121175  Phacelia pedicellata Duncan S. Bell, LeRoy Gross 2016-3-30 9175 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  UCR151063  Phacelia ramosissima var. latifolia Scott D. White 1998-6-17 6748 Riverside Peninsular Ranges; Gavilan Hills, along Gavilan Rd. or Santa Rosa Mine Rd.; c. 7 mi survey route from Gavilan/ Cajalco Rd. junction. south and east to Santa Rosa Mine/ Post Rd. junction 671 Comment
  POM9581  Phacelia stellaris I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road. [Wineville = Mira Loma] Comment
  CLARK-A1045-176  Phalaris caroliniana George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  RSA515337  Phalaris minor Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau; S of town of Murrieta, on W side of Mesa de Burro., (Near 33 deg 31'N, 117 deg 14'W). 549 Comment
  UCR133671  Phalaris minor 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
  UCR265849  Phalaris minor Mitch Provance 2013-4-8 413- 05 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  SD114076  Philadelphus microphyllus var. pumilus Darley F. Howe 1973-7-28 4885 Riverside Santa Rosa Mts. 2438 Comment
  RSA0057661  Philadelphus microphyllus var. stramineus Percy C. Everett 1942-7-28 11294 Riverside Several hundred yards below summit of Devil's Slide Trail (Trail to Mt. San Jacinto), San Jacinto Mountains. 2439 Comment
  POM13686B  Phlox austromontana E. C. Jaeger 1921-6-23 s.n. Riverside Palms to Pines trail. 1463 Comment
  UC52482  Phlox austromontana H. M. Hall 1897-5-19 553 Riverside Thomas Valley San Jacinto Mts. 1371 Comment
  RSA543912  Pholisma arenarium Steve Boyd 1991-5-20 6277 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  RSA586963  Pholisma arenarium D. L. Banks, Steve D. Boyd 1995-5-17 451 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  UCD102039  Phoradendron bolleanum Geoffrey Levin 1975-12-6 657 Riverside State 74 just above Seven Level Hill, about 8 mi. south of Palm Desert. 1066 Comment
  RSA27714  Phoradendron californicum C. Leo Hitchcock 1940-4-2 5917 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA420766  Phoradendron californicum M. V. Hood 1944-4-7 s.n. Riverside Palms to Pines Hwy. Comment
  RSA420776  Phoradendron californicum Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UC1971181  Phoradendron californicum Louis C. Wheeler 1964-10-17 8640 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
  UCR88733  Phoradendron densum A. C. Sanders 1995-4-13 16482 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
  UCSB18183  Phoradendron leucarpum subsp. tomentosum Daniel, Dick 1964-5-16 Riverside Dark Canyon Road, 2.1 miles S of Fuller Mill Creek Camp, San Jacinto Mountains 1767 Comment
  POM161532  Phoradendron libocedri Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain. Comment
  CAS-BOT-BC171150  Phoradendron serotinum subsp. tomentosum Scott D. White 1996-8-1 4435 Riverside San Jacinto Mtns. Idylwild Area: Hwy 243 at Deer Springs trailhead and adjacent area 1828 Comment
  RSA559455  Phoradendron villosum Steve D. Boyd, Tim S. Ross 1992-5-5 7212 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA289859  Phragmites australis B. A. Prigge 1980-12-15 4118 Riverside Whitewater Marsh: 4 miles S of Mecca -70 Comment
  JEPS8981  Physalis crassifolia Mary Beal 1941-4-6 860 Riverside Painted Canyon Mojave Desert, Mecca Hills, Coachella Valley (Coachella Valley) Comment
  SBBG6619  Physalis crassifolia H. and M. Dearing 1936-12-25 1711 Riverside Aqueduct Rd, 10 mi N of Indio [Long Cyn] Comment
  UC1143156  Physalis crassifolia H. S. Yates 1937-3-23 6447 Riverside 15 mi nne Mecca; Thermal Quad. 457 Comment
  UCR102739  Physalis crassifolia B. G. Pitzer 1998-2-1 3435 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR244424  Physalis crassifolia Jim Andre 2012-4-16 20919 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
  RSA637527  Physalis philadelphica Scott D. White 1998-9-4 7122 Riverside Beaumont: 'Oak Valley Golf Course' Flood detention basin along intermittent channel just above (i.e N side) of golf course. 762 Comment
  SEINET10389799  Physaria tenella A. C. Sanders, Jim Malusa 2015-3-9 41363 Riverside Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  UCD116162  Physaria tenella C. L. Hitchcock 1966-3-20 24309 Riverside About 30 mi. n. of Ogilby, along rd. to Blythe. Comment
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Mar 2 2013
  UC1535405  Phytolacca americana Don Domenigoni 1986-4-21 Riverside Hemet, at the Young property Hemet Comment
  POM12205  Pilularia americana P. A. Munz 1922-4-29 5087 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  SEINET10666440  Pinus coulteri Greg Gust, Leith Nye 2005-3-11 Gust 550 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  SEINET7048007  Pinus lambertiana Steven R. Hill, Kate Kramer and family 2001-4-26 33474 Riverside San Jacinto Mountains, San Jacinto Wilderness, west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges. Elevation about 8500 feet. Comment
  RSA0119891  Pinus monophylla Duncan S. Bell, Thomas Stoughton 2016-4-12 9224 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  POM310583  Pinus quadrifolia G. Mansfield-Jones 1956-11-11 564 Riverside Palms to Pines highway, near Lake Hemet. Mt. Range San Jacinto-Santa Rosa. 1524 Comment
  UCR270756  Piptatherum miliaceum T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8369 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCR156297  Pityrogramma triangularis T. B. Salvato, Kent Beaman 2005-5-16 844 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
  RSA717338  Plagiobothrys arizonicus Scott D. White, Angelia Carey 2004-4-5 10001 -B Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  SEINET272164  Plagiobothrys arizonicus G. K. Helmkamp, E. A. Helmkamp 1997-3-5 1332 B Riverside Riverside Co CA. 2.8 mi SE of Gilman Hot Springs. UTM 10km cell: NH-0E 4N. Gilman Hot Springs. 518 Comment
  IRVC26248  Plagiobothrys canescens A. C. Sanders, D. Malueg 2003-5-8 26559 Riverside San Jacinto Riverbottom, north of San Jacinto and SE of State St. San Jacinto Valley 465 Comment
  UCR98061  Plagiobothrys canescens A. C. Sanders 1997-3-1 19730 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  LA210030  Plagiobothrys collinus var. californicus Carl B. Wolf; 1935-4-7 Riverside Gavilan Hills region, 2 mi. SW of Perris 426 Comment
  POM184249  Plagiobothrys collinus var. californicus P. A. Munz 1932-3-24 12018 Riverside Corona 366 Comment
  POM368961  Plagiobothrys collinus var. californicus Richard C. Barkelew, Mark Morris 1929-3-3 s.n. Riverside Perris. Comment
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Nov 9 2011
  SEINET7073313  Plagiobothrys collinus var. californicus A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UCR241931  Plagiobothrys collinus var. californicus A. C. Sanders, John F. Green 2013-3-27 40692 Riverside Peninsular Range, Alberhill, along west side of Lake St. near the old clay mines, 0.85 km south of I-15 Fwy 389 Comment
  RSA741117  Plagiobothrys collinus var. ursinus Scott D. White, Justin M. Wood 2008-6-18 12243 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UCR79248  Plagiobothrys fulvus Steve Boyd, T. S. Ross 1992-5-5 7247 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area. south of Oak Flats, SW of the Bluewater Trail 793 Comment
  RSA198966  Plagiobothrys fulvus var. campestris R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37425 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  POM368912  Plagiobothrys nothofulvus M. M. Thompson 1947-6-9 C 2061 Riverside Los Alamos Canyon, Elsinore 762 Comment
  UCR25971  Plagiobothrys tenellus John C. Roos 1952-4-29 5594 Riverside Box Springs Mtns, Reche Canyon. 457 Comment
  RSA495820  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2931 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA524609  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3932 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  OBI23291  Plantago ovata Robert F. Hoover 1969-4-14 11237 Riverside Palm Springs, just S of city limits Comment
  UC494677  Plantago ovata Philip A. Munz 1932-3-14 12001 Riverside Coachella Valley, Deep Canyon 91 Comment
  UCR148342  Plantago ovata John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  POM283953  Plantago ovata var. fastigiata Lyman Benson 1933-3-31 4180 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  POM308154  Plantago ovata var. fastigiata Henry J. Ramsey, Henry J. Ramsey 1939-11-28 2921 Riverside 10 miles east of Indio. Comment
  POM46966  Plantago ovata var. fastigiata Mary F. Spencer 1920-3-13 1488 Riverside Mecca -60 Comment
  UCD124541  Plantago ovata var. fastigiata Geoffrey Levin 1975-4-5 473 Riverside Box Canyon Wash on State Highway 195, 18.3 mi. NE of Jcn. Of 195 and 111 (Mecca). Between Mecca Hills and Orocopia Mts. 30 Comment
  UCR120901  Plantago virginica A. C. Sanders 2002-3-20 24897 Riverside Sonoran (Colorado) Desert, Coachella Valley, city of Palm Springs, around offices of Agua Caliente Band of Cahuilla Indians, 650 E Tahquitz Canyon Way at Calle El Segundo 137 Comment
  SBBG97299  Platanus racemosa W. L. Halvorson 1977-4-1 77 -215 Riverside 5 mi S of Temecula on Hwy S16 Comment
  UC167980  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder 1905-5-12 11 Riverside Wilders near Riverside; near Riverside Comment
  UCR108843  Platystemon californicus Heidi A. Haid 1968-5-8 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA795232  Pleuraphis rigida Justin M. Wood, Dustin M. Ray 2010-10-1 2771 Riverside Sonoran Desert: Chuckwalla Valley northwest of Victory Pass on east side of Kaiser Road +/-1 mile north of Desert Center Landfill at proposed Eagle Mountain Solar Site. 205 Comment
  SEINET12534722 Image available Pleurocoronis pluriseta H. M. Hall 5992 Riverside Hills near Indio Comment
  POM10244  Pluchea odorata E. A. Zumbro 1903-05 s.n. Riverside Riverside Comment
  SDSU13611  Pluchea odorata W. Miller, C. Mosse 1972-7-19 Riverside Comment
  UCR189287  Pluchea odorata Fred M. Roberts, S. Leatherman 2007-9-19 6586 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UC73998  Pluchea odorata var. odorata Geo. R. Hall Sept 1905 Riverside near Riverside Comment
  SD229103  Pluchea sericea Dick Schwenkmeyer, Collection made by Tony Harper 2013-5-8 888 Riverside Little Paradise Camp in Palm Canyon, approx. 8 miles S. of Cathedral City 869 Comment
  SEINET244767 Image available Poa bulbosa A. C. Sanders 2002-5-4 25042 Riverside San Jacinto Mtns.; Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  RSA563884  Poa howellii A. C. Sanders 1993-4-30 13883 Riverside San Bernardino Mtns: Between Cherry Valley and the county line, along Butterfly Road, which joins Wildwood Canyon Road 0.4 miles W of Oak Glen Road., (116 deg 59'W, 34 deg 00'N) 1100 Comment
  POM14438  Poa secunda P. A. Munz, I. M. Johnston 1922-5-21 5509 Riverside Kenworthy, San Jacinto Mountains. 1418 Comment
  UC336957  Poa secunda subsp. secunda unknown 1988-4-14 5462 Riverside Elsinore Comment
  UC70983  Poa secunda subsp. secunda H. M. Hall April 1903 3785 Riverside vicinity of Riverside 365 Comment
  UCR260539  Polygonum argyrocoleon T. B. Salvato, Matt Malle, Thomas M. Sullivan Jr 2014-5-30 8060 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  RSA0013161  Polygonum aviculare LeRoy Gross, Caitlin Elam 2013-5-14 6061 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UC582926  Polygonum hydropiperoides Philip A. Munz 1935-10-21 14652 Riverside below Rincon; Santa Ana River Comment
  RSA0065553  Polygonum lapathifolium var. lapathifolium T. C. Thomas 1974-8-19 s.n. Riverside Fairmont Park spillway. Santa Ana River. Comment
  RSA736735  Polygonum punctatum Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10689 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
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Mar 10 2011
  POM259113  Polygonum sawatchense subsp. sawatchense P. A. Munz 1938-8-14 15359 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  SEINET218263 Image available Polypodium californicum O. W. Robinson 1916-3-20 Riverside Millers Canyon, Murietta Comment
  UCR96808  Polypodium californicum A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19763 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
  RSA736698  Polypogon monspeliensis Scott D. White 2004-4-26 10252 Riverside Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  UCR234429  Polypogon monspeliensis Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  RSA500115  Polypogon viridis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3696 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  RSA575836  Polypogon viridis Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at confluence of 'Estelle Creek' and Temescal Creek, just NW of entrenched meander of Temescal Creek at western base of Estelle Mountain. 317 Comment
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Oct 22 2011
  CSUSB805  Populus fremontii Eugene Cardiff, Ken Smith 1954-4-5 Riverside Santa Ana River Santa Ana River near Pedly. Comment
  SD229276  Populus fremontii Dick Schwenkmeyer 2013-6-11 904 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  SD229277  Populus fremontii subsp. fremontii Dick Schwenkmeyer 2012-11-6 879 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  SD157478  Populus trichocarpa Bill Knerr Jan 1998 Riverside Old Hwy 395, 9 miles south of Hwy 76, flat area Comment
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Sep 7 2013
  POM121859  Porophyllum gracile Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Colorado Desert. Comment
  UC63187  Porophyllum gracile H. M. Hall May 1901 1864 Riverside along the borders of the, Eastern base Colorado Desert Comment
  UCR137692  Porophyllum gracile D. L. Banks, V. W. Steinmann 1997-3-13 1477 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
  UCR280994  Porophyllum gracile Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 56 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  RSA517268  Portulaca oleracea George K. Helmkamp 1989-9-16 s.n. Riverside S of Ripley at 32nd Str. & Rannells Blvd. 75 Comment
  RSA769631  Potamogeton E. W. Lathrop 1969-6-5 7084 Riverside 8 miles west of Murrieta, on the Main Divide Truck Trail between Tenaja Rd. and Los Alamos Canyon Comment
  UC489190  Potamogeton diversifolius C. V. Meyer 1928-7-27 567 Riverside Hidden Lake; San Jacinto Mountains 2651 Comment
  UCR202596  Potamogeton foliosus var. foliosus Scott D. White, Justin M. Wood 2008-7-9 12433 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  RSA234093  Potamogeton pusillus Robert F. Thorne, E. Lathrop 1969-6-6 39322 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado; deeper water up to 1 m behind the dam at S end of vernal marsh 625 Comment
  SFV20131  Potentilla glandulosa subsp. reflexa J. N. Hogue 2000-5-31 s. n. Riverside San Jacinto Mountains Bay Tree Spring, along Highway 243. 1585 Comment
  UCR89888  Prenanthella exigua A. C. Sanders, E. J. Lawlor 1992-4-4 12141 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SDSU13486  Primula clevelandii var. clevelandii Shawn Johnston, Calf. Plant Taxonomy Class Spring 2000 2000-4-1 8 Riverside Santa Margarita Ecological Reserve North End. Comment
  LA47457  Prosopis glandulosa var. torreyana Harlan Lewis; 1936-4-18 sn Riverside San Bernardino Mountains, White Water 457 Comment
  POM2529  Prosopis glandulosa var. torreyana L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto. Comment
  RSA33856  Prosopis glandulosa var. torreyana N. C. Cooper 1944-4-8 1088 Riverside Andreas Canyon. 305 Comment
  SEINET7048066  Prosopis glandulosa var. torreyana Steven R. Hill 2001-4-29 33543 Riverside Whitewater Canyon, along Whitewater River, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  RSA11190  Prunus fasciculata N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Springs. Comment
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Oct 9 2010
  UC193219  Prunus fasciculata S. B. and W. F. Parish Apr 1 1882-May 1 1882 1197 Riverside Comment
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Mar 5 2011
  CAS-BOT-BC158294  Prunus fasciculata var. fasciculata Peter H. Raven 1958-5-5 12889 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  RSA453237  Prunus fremontii F. W. Peirson 1922-12-7 s.n. Riverside Andreas Canyon. 610 Comment
  RSA395366  Prunus ilicifolia Steve D. Boyd 1986-4-22 1729 Riverside Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UCR16764  Prunus ilicifolia D. C. Wald 1967-5-13 s.n. Riverside Perris-Aguanga Basin region, Bernasconi Hills near Lakeview, on slope opposite Big Rock 503 Comment
  UC74033  Psathyrotes ramosissima M. F. Gilman 1904-1 46 Riverside Banning Comment
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Mar 13 2011
  UCR103550  Psathyrotes ramosissima George K. Helmkamp 1998-1-17 2534 Riverside Sonoran (Colorado) Desert, Box Canyon, NE of Mecca and 3.5 mi south of Shavers Well. 244 Comment
  UCR144128  Psathyrotes ramosissima Scott D. White, Michael Honer 2003-5-15 9307 Riverside Sonora (Colorado) Desert, Bajada below Little Maria/Big Maria Mtns, near Inca RR siding and c. 15 air mi NW of Blythe 76 Comment
  SDSU13315  Pseudognaphalium biolettii Shawn Johnston, Calf. Taxonomy Class spring 2000 2000-4-1 12 Riverside Santa Margarita Ecological Reserve North end. Comment
  UCR280926  Pseudognaphalium biolettii Mitch Provance 2017-5-25 517- 63 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  SD187364  Pseudognaphalium luteoalbum Scott D. White, Angelia Carey 2004-5-7 10322 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  CAS-BOT-BC357571  Pseudognaphalium stramineum Faulkner 1978-4-27 499 Riverside 3 miles East of Blythe, shores and flood plains of Colorado River 137 Comment
  RSA0124290  Pseudotsuga macrocarpa Duncan S. Bell 2016-4-16 9333 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  SD237349  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
  UCR18662  Psilocarphus brevissimus var. brevissimus John C. Roos 1952-4-30 5601 Riverside Edgemont, near Box Springs 488 Comment
  POM305419  Psorothamnus arborescens var. simplicifolius Henry J. Ramsey, Henry J. Ramsey 1937-11-28 752 Riverside Palm Springs Comment
  SD121836  Psorothamnus arborescens var. simplicifolius C. H. Muller 1952-5-21 9515 Riverside Outwash plain at mouth of Morongo Canyon. Comment
  RSA113920  Psorothamnus emoryi Percy C. Everett, E. K. Balls 1956-5-2 21552 Riverside 2+ mi. N from turn-ogg Hwy 60/70 W of Desert Center, to Eagle Mt. Pumping Stn. 259 Comment
  RSA792928  Psorothamnus emoryi Aaron C. Sedgwick, Cody Leslie 2012-9-20 121 Riverside South of 29 Palms Hwy 62 in a wash ~3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft. 243 Comment
  SBBG34735  Psorothamnus emoryi T. L. Secrest 1950-3-12 Riverside near Indio Comment
  CAS-BOT-BC340912  Psorothamnus schottii David Dreyer 1971-4-3 196 Riverside West side of Salton Sea, west of Highway 89, 1 mile north of Salton City Comment
  CAS-BOT-BC340921  Psorothamnus schottii Mrs. G. Earle Kelly 1926-4-1 s.n. Riverside Palm Springs Comment
  RSA498748  Psorothamnus schottii W. Hutchinson 1921-4-1 s.n. Riverside Palm Springs. Comment
  RSA799247  Psorothamnus schottii Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 731 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  UCR178024  Psorothamnus schottii John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  CAS-BOT-BC340951  Psorothamnus spinosus Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  POM46967  Psorothamnus spinosus Mary F. Spencer 1918-3-27 756 Riverside Palm Springs. 137 Comment
  SD262303  Pterocarya stenoptera A. C. Sanders 2017-5-15 43206 Riverside Riverside, eastern side of UCR campus, in canyon below the uCR Botanic Garden, adjacent to parking area (Riverside East 7.5'Q) 340 Comment
  RSA495414  Pterostegia drymarioides Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2943 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  SD232312  Pterostegia drymarioides Michael Wall 2003-4-15 266 Riverside Peninsular Ranges; San Jacinto Mountains region: Lamb Canyon west of Beaumont off Hwy. 79, 5.2 miles south Jct. with 10 Fwy, up dirt road at turnout along west side of Hwy. 601 Comment
  UCR258871  Pterostegia drymarioides T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7906 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  CDA7612  Pulicaria paludosa A. C. Sanders, Chet McGaugh 2001-7-26 24472 Riverside Perris-Aguanga Basin region; Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside Comment
  UCR264636  Quercus Mitch Provance 2012-4-27 412- 18 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCD45235  Quercus agrifolia Louis C. Wheeler 1964-11-28 8649 Riverside Temescal Valley: Wright Ranch Comment
  RSA588676  Quercus agrifolia var. agrifolia D. L. Banks, Steve D. Boyd 1995-10-26 833 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, S of the first grassland. Approximately 0.7 miles from the Wilderness boundary. 713 Comment
  RSA640179  Quercus agrifolia var. agrifolia Louis C. Wheeler 1965-3-26 8707 Riverside Temescal Valley: Wright Ranch. Comment
  RSA748812  Quercus agrifolia var. agrifolia G. Gust, L. Nye 2005-3-11 552 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UCD170857  Quercus berberidifolia Jeremiah George 2012-8-7 70812 6 Riverside San Jacinto Mtns. Foothills/San Gorgonio Pass, south of Beaumont, just east of intersection Highland Springs Ave. and Circle C Ranch. 747 Comment
  UCR175694  Quercus berberidifolia Jennifer H. Jones 2006-6-6 391 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  UCR250002  Quercus berberidifolia Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  UCR269230  Quercus berberidifolia A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 41999 Riverside Peninsular Range, c. 10 km ESE of Temecula, 150 m west of Los Caballos Rd. at a point 0.3 km south of Hwy 79 399 Comment
  UCR271512  Quercus berberidifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8349 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  CAS-BOT-BC518706  Quercus berberidifolia Mitch Provance; Jeremiah George 2012-8-4 812 -32 Riverside Western part of county: Badlands S of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  CAS-BOT-BC62435  Quercus chrysolepis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  CAS-BOT-BC62436  Quercus chrysolepis Marcus E. Jones 1924-8-30 s.n. Riverside Tahquitz, San Jacinto Mts. Comment
  JEPS38046  Quercus chrysolepis C. V. Meyer Jun 1927 165 Riverside Saunder's Meadow 1737 Comment
  SEINET2066572 Image available Quercus chrysolepis B. Pitzer, Jack Easton 1987-3-10 391 Riverside Anza area, hills S of Thomas Mtn., ca. 3 mils E of town of Anza on N side of Hwy 371, Butterfly Peak 7.5' Quad. 1341 Comment
  SBBG55971  Quercus cornelius-mulleri C. H. Muller, K. K. Muller 1983-4-15 11764 Riverside 0.5 mi S of Sage Forest Fire Stn, 13.4 mi S of Hemet 1639 Comment
  CAS-BOT-BC94187  Quercus engelmannii A. C. Sanders; Kent Beaman 2002-5-10 25047 Riverside Santa Ana Mtns. Santa Rosa Plateau: hills W of the head of De Luz Creek, 0.4 mi S of Tenaja Rd. on W side of Calle Roble 671 Comment
  SEINET2066432 Image available Quercus engelmannii A. C. Sanders, E. J. Lawlor 1988-10-22 8718 Riverside Pinyon Flats area, Santa Rosa Mountians, along Horsethief Creek where the trail from the Dolomite Mine crosses. 1100 Comment
  UCR252814  Quercus engelmannii John Dvorak 2010-11-2 007 Riverside Perris Aguanga Basin, Two miles north of the intersection of Sage Road and Highway 79, west of alluvial fan 692 Comment
  POM145260  Quercus turbinella E. C. Jaeger 1927-12-20 s.n. Riverside Palm Canyon, Eagle Mts. 915 Comment
  RSA39264  Quercus turbinella P. A. Munz 1946-10-19 11569 Riverside 1 miles east of Anza. 1159 Comment
  UCSB7398  Rafinesquia neomexicana Beeks, R. 1953-4-4 Riverside U.S. 99, opposite Twenty Nine Palms turnoff Comment
  UCR202600  Ranunculus aquatilis Scott D. White, Justin M. Wood 2008-7-9 12442 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  CAS-BOT-BC59510  Rhamnus crocea Scott D. White 1996-4-14 3918 Riverside Perris Basin - E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74 ca. 1/7 mi. W of USFS 548 Comment
  OBI53609  Rhamnus crocea Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 & Indian Truck trl 381 Comment
  POM12894  Rhamnus tomentella subsp. tomentella P. A. Munz 1922-6-25 5817 Riverside Santa Rosa Mountains; Road to Santa Rosa. 1524 Comment
  RSA471023  Rhododendron occidentale N. C. Cooper 1949-6-29 4339 Riverside East side of San Jacinto Mountains. 457 Comment
  UC218097  Rhododendron occidentale P. A. Munz 1922-7-6 6029 Riverside San Jacinto Mountains, North Fork Tahquitz Creek North Fork Tahquitz Creek; San Jacinto Mountains, North Fork Tahquitz Creek 2225 Comment
  UCSB3766  Rhus aromatica Haller, John 1950-5-21 Riverside San Jacinto Mtns.; Pinon Flat 1219 Comment
  UCSB3767  Rhus aromatica Haller, Norman 1953-5-23 Riverside Highway 74, Cranston Ranger Station, 7 miles E. of Hemet 609 Comment
  UCR166699  Rhus laurina Scott D. White, Jennifer H. Jones 2005-7-5 11150 Riverside Santa Ana Mtns, Rainbow Valley area, west of I-15 and just N of San Diego Co. boundary 579 Comment
  UC1393134  Rhus ovata John L. Strother 1970-7-7 1002 Riverside 4 mi s Sage Comment
  NY43195  Rhus trilobata J. B. Walker 1995-5-4 1412 Riverside San Bernardino National Forest, 1km S of Pinyon Flat Campground 1300 Comment
  SD90416  Rhus trilobata var. pilosissima Robert F. Thorne, E. Lathrop 1969-6-6 39324 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  SEINET272333 Image available Ribes indecorum A. C. Sanders, G. Waines; B. Ehdai. 1997-3-12 19905 Riverside Lake Skinner area: upper Rawson Canyon 2.5 mi. NE of Skinner Lake 1 mi. SW of Crown Valley 595 Comment
  UCR113594  Ribes indecorum A. C. Sanders 1998-1-15 21628 Riverside Lake Skinner area, Black Mtn., along road up north side 884 Comment
  RSA489177  Ribes indecorum B. Pitzer, A. C. Sanders 1987-4-21 492 Riverside Box Springs Mtns, near southernmost radio towers 793 Comment
  UC729694 Image available Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 2651 Riverside 5 mi w Corona (base of Skyline Drive); Santa Ana Mts., Hidden Canyon 405 Comment
  SD229185  Ribes nevadense Dick Schwenkmeyer 2012-8-28 829 Riverside Fuller's Mill camp, 2.6 miles east of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  SD29587  Ribes nevadense Darley F. Howe 1941-6-9 Riverside Strawberry Creek San Jacinto Mts Comment
  UCSB2646  Ribes nevadense Wilson, Richard 1958-5-17 Riverside Fuller Creek; 25 miles SE of Banning; on State hwy 4; San Jacinto Mtns 1676 Comment
  UCSB2647  Ribes nevadense Newby, Ron 1959-5-16 Riverside 10 miles N of Idyllwild on hiway to Banning; in the San Jacinto mountains 1828 Comment
  CAS-BOT-BC186240  Ribes roezlii var. roezlii Peter H. Raven 1962-5-18 17758 Riverside Road to Indian Hill Canyon 0.6 miles east of Santiago Peak, Santa Ana Mountains 1615 Comment
  POM12990  Ribes speciosum P. A. Munz, I. M. Johnston 1922-5-19 5309 Riverside Santa Ana River Canyon. 457 Comment
  RSA658886  Ricinus communis Douglas A. Springer 1981-2-16 10 Riverside 3.9 miles NW of California State Hwy. 74 on Santa Rosa Rd. approx. 5 miles from Perris. Comment
  POM264  Romneya coulteri P. A. Munz 1918-4-27 2146 Riverside Temescal Canyon. Comment
  POM319082  Romneya coulteri Patricia Wilder 1970-10-15 4818 Riverside Prado Dam; by entry gate on west end of top of dam; Chino Hills; Santa Ana River. 183 Comment
  UCR216238  Rorippa nasturtium-aquaticum Mike Bell 2008-4-27 049 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 538 Comment
  RSA740619  Rubus laciniatus Scott D. White, Justin M. Wood 2008-7-8 12372 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA526162  Rubus ursinus Steve D. Boyd, Tim S. Ross 1990-5-11 4665 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
  UCR41055  Rumex dentatus O. F. Clarke 1985-5-13 s.n. Riverside San Jacinto River Valley, Gun club ponds east of Davis Road, a short distance north of Lakeview, east of the Bernasconi Hills 428 Comment
  RSA667134  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Temecula, Long Canyon west of Del Rey Rd., along bottom of Canyon W of junction of Av. Pina Colada 345 Comment
  POM13395  Rumex salicifolius E. C. Jaeger 1922-8-22 1019 Riverside Long Valley. 2530 Comment
  RSA784662  Rumex salicifolius Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 69 Riverside Margarite road further down to the valley after turn towards Robcar road Comment
  UCR274290  Rumex salicifolius T. B. Salvato, Melissa Clemons 2005-6-6 1412 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  RSA502183  Rumex salicifolius var. mexicanus Steve Boyd, Tim S. Ross, Laurel Arsneth 1989-6-11 3709 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  UCR19559  Sagina saginoides var. hesperia E. C. Jaeger 1922-7-6 s.n. Riverside San Jacinto Mtns., Long Valley 2439 Comment
  RSA605176  Salazaria mexicana A. C. Sanders 1995-3-5 15988 Riverside Colorado Desert: Orocopia Mtns, Maniobra Valley, 1.6-3 mi. S of frontage road (old 60) along I-10, S to edge of BLM wilderness. 555 Comment
  UCR240063  Salazaria mexicana A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40507 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  UCR260217  Salazaria mexicana A. C. Sanders, Jim Malusa 2015-3-10 41377 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  UC851293  Salicornia subterminalis P. A. Munz and I. M. Johnston 1922-5-19 5413 Riverside Perris 441 Comment
  CAS-BOT-BC129748  Salix bonplandiana Nancy Ryan Zabriskie; Walter Zabriskie 1971-2-13 335 Riverside Andreas Canyon, E slope San Jacinto Mts. 304 Comment
  POM319274  Salix exigua Patricia Wilder 1971-3-20 4907 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  UCR178565  Salix exigua R. G. Swinney 1967-3-5 0062 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  CAS-BOT-BC108145  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek 377 Comment
  CAS-BOT-BC126716  Salix gooddingii A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-3-31 37670 Riverside Peninsular Range; foothills of Gavilan Hills: Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 366 Comment
  POM180410  Salix gooddingii E. C. Jaeger 1931-10-1 s.n. Riverside Stubbe Springs, near Keyes Ranch. Comment
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May 29 2011
  POM319097  Salix gooddingii Patricia Wilder 1971-9-29 5274 Riverside San Jacinto River drainage area. Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  UCR252611  Salix gooddingii T. B. Salvato, Matthew Malle 2013-4-2 7496 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  RSA0030853  Salix gooddingii Ivan M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 457 Comment
  UC717264  Salix laevigata W. A. Setchell and Victor Duran 1935-4-17 8 a Riverside 14 mi from Hemet (on way to Aguanga) Comment
  POM319095  Salix lasiolepis Patricia Wilder 1971-3-20 4900 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  UCR26204  Salix lasiolepis John C. Roos, L. Roos 1952-3-1 5383 Riverside 2.5 miles north of Moreno by a seep below reservoir 610 Comment
  RSA769517  Saltugilia australis Duncan S. Bell, Lucila Reccia 2010-5-5 966 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 791 Comment
  SD234486  Saltugilia australis A. C. Sanders, P. J. MacKay, Tim Thomas 2003-5-18 26759 Riverside San Bernardino Mtns.: Cleghorn Road, 0.5 mi. NE of Cajon. 1006 Comment
  UC310670  Saltugilia australis Philip A. Munz 1926-5-2 10424 Riverside 5 mi nw Dripping Spring; nw of Dripping Spring Comment
  UC667330 Image available Saltugilia latimeri Annie M. Alexander and Louise Kellogg 1941-5-4 2114 Riverside Joshua Tree National Monument Comment
  RSA67604  Saltugilia splendens Verne Grant, Alva Grant 1950-4-9 8839 Riverside Palm Springs. Comment
  UCR251976  Saltugilia splendens A. C. Sanders, T. B. Salvato 2014-7-2 41173 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UC880174  Saltugilia splendens subsp. splendens I. W. Clokey, E. G. Anderson 1935-8-21 6827 Riverside Keen Camp P.O. 1350 Comment
  UC729534  Salvia apiana Carl B. Wolf 1932-5-24 Riverside Snow Creek Canyon San Jacinto Mts. (0.5 mi below Fish Hatchery, n base of San Jacinto Mts) 548 Comment
  RSA411380  Salvia carduacea C. Epling 1932-5-28 s.n. Riverside Perris-Hemet. Comment
  POM48143  Salvia columbariae E. Schlinger 1920-04 s.n. Riverside Chuckwalla, Colorado Desert. Comment
  RSA314624  Salvia columbariae Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55414 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA401477  Salvia columbariae Gale Sphon 1955-4-2 s.n. Riverside Perris. Comment
  RSA783218  Salvia columbariae J. D. Olmsted 1962-6-23 5228 Riverside 1/2 mile south of conservation-detention school east of Oak Glen, southeast of San Bernardino Mountains 1524 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
  SD38584  Salvia columbariae E. A. Purer 1935-4-21 6468 Riverside W edge of Colorado Desert Comment
  UCD125515  Salvia columbariae C. L. Hitchcock; C. V. Muhlick 1962-3-16 22156 Riverside Temescal Canyon, ca. 12 miles southeast of Corona. Comment
  UCR250121  Salvia columbariae A. C. Sanders 2014-4-23 41056 Riverside Peninsular Range, Gavilan Hills, toward eastern end of Concordia Ranch Rd. at edge of Temescal Valley, above I-15 390 Comment
  UCR251966  Salvia columbariae Max Brodie 2014-4-8 17 Riverside Riverside, western Box Springs Mountains near intersection of Spruce St. and Valencia Hill Dr. 420 Comment
  UCR30092  Salvia columbariae George K. Helmkamp 1983-4-5 483- 27 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR50919  Salvia columbariae A. C. Sanders 1988-5-11 7799 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  UCSB5776  Salvia columbariae Broder, Richard 1958-3-1 Riverside 1.5 miles up White Water canyon Comment
  UCSB5777  Salvia columbariae Stoppel, Gordon 1958-3-22 Riverside Off side road; at campsite near Indio highway; several miles from Indio Comment
  LA69691  Salvia eremostachya Elizabeth McClintock; 1941-5-30 sn Riverside Coyote Canyon, near Tule Creek Comment
  UCSB12037  Salvia eremostachya Dearing, Hugh; Dearing, Margaret 1942-3-29 Riverside Dos Palmas Spring; Palms to Pines Highway Comment
  CLARK-A1528-3118  Salvia greatae John C. Roos 1949-3-19 4101 Riverside Orocopia Mountains Comment
  RSA637525  Salvia leucophylla Scott D. White 1998-9-4 7101 Riverside Beaumont: Oak Valley Golf Course Flood detention basin along intermittent channel just above (i.e N side) of golf course. 762 Comment
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Jun 8 2020
  UCR133375  Salvia mellifera Mitch Provance, J. S. Ross 1998-3-27 MOR- 984 Riverside San Bernardino Mtns., Morongo Indian Reservation, Deep Canyon, 2.5 miles NNE of Cabazon 732 Comment
  UCR241822  Salvia mellifera A. C. Sanders, Timothy W. Chumley 2013-4-2 40753 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  JEPS62774  Salvia pachyphylla Carl V. Meyer 1928-7-27 568 Riverside Hidden Lake Trail; Tahquitz Valley 2438 Comment
  UC1080395  Salvia vaseyi E. K. Balls and P. C. Everett 1957-8-20 22669 Riverside 6.6 mi sw Palm Village (along State Hwy 74 (jct State Hwy 111)) 502 Comment
  UC666458  Salvia vaseyi Annie M. Alexander and Louise Kellogg 1941-6-1 2267 Riverside Dry Morongo Creek; Morongo Valley 655 Comment
  SEINET12327259  Salvia vaseyi P. H. Raven 1958-1 12929 Riverside SW of Palm Desert 10.2mi on State Hwy 74, San Jacinto Mts 762 Comment
  POM4389  Sambucus mexicana O. W. Robinson 1916-3-29 s.n. Riverside Burton's Canyon south of Lake Elsinore. 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
  UCR121647  Sanicula bipinnatifida A. C. Sanders, Kent Beaman 2002-5-10 25050 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  UCR144752  Sanicula bipinnatifida Scott D. White, Michael Honer 2003-4-2 8914 Riverside Peninsular Range, Temescal Canyon, just west of I-15 Freeway and northeast of Lawson Dr. 366 Comment
  UCR138650  Sanicula crassicaulis D. L. Banks 1997-3-29 1641 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation, just before the Riverside/San Diego Co. line 482 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
  RSA762004  Sarcodes sanguinea Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 656 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR8103  Sarcodes sanguinea B. Freeman 1969-6-12 690612- 01 Riverside San Jacinto Mtns, Univ of California James Reserve. Near Lake Fulmor, about halfway along road from Banning to Idyllwild. Trailfinders Camp 1646 Comment
  CLARK-A1528-1469  Sarcostemma hirtellum John C. Roos 1937-4-18 Riverside Colorado Desert Comment
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Mar 3 2014
  UC111322  Sarcostemma hirtellum S. B. Parish 1907-4-22 6149 Riverside w. edge Colorado Desert, Palm Canyon 200 Comment
  UCR163082  Sarcostemma hirtellum B. G. Pitzer 2000-5-7 4139 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  CAS-BOT-BC243457  Schismus barbatus Rateaver 1944-2-21 58 Riverside Fan of Tahquitz Creek, Palm Springs Comment
  SD146082  Schismus barbatus A. C. Sanders, G. Helmkamp 1997-3-15 19922 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills 548 Comment
  RSA289824  Schoenoplectus maritimus B. A. Prigge 1980-9-17 4064 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  UCR162627  Scirpus heterochaetus D. L. Koutnik, Ian Swift 1999-6-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, proposed conservation bank in Wilson Creek watershed, north of Aguanga, west of Cahuilla Rd., south of Wilson Valley Rd., east of Sage Rd. 671 Comment
  CSUSB908  Scrophularia californica Robert M. Hasegawa 1976-4-14 Riverside Box Springs Mountains Box Springs Mountains. 1/8 mile past road's end, east Big Springs Road. 274 Comment
  RSA425200  Scrophularia californica subsp. floribunda N. C. Cooper 1944-5-20 1257 Riverside Palms to Pines Hwy. San Jacinto Mts. 1433 Comment
  SD146145  Scrophularia californica subsp. floribunda Mitch Provance 1998-6-10 634 Riverside City of Riverside: east side of Pachappa Hill, as acessed from where panorama road crosses the 91 freeway 305 Comment
  SD232274  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin M. Wood 2008-7-9 12414 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  SD135263  Scutellaria siphocampyloides Craig Reiser, Dylan Hannon 1993-5-31 Riverside N side of Santa Rosa Peak Comment
  RSA748358  Scutellaria siphocampyloides Sarah J. De Groot, Naomi S. Fraga 2004-7-8 4388 Riverside San Jacinto Mountains: East of Idyllwild, vicinity of FS road 5S13, between Chimney Flats Road 5S06 and 5S24. 1463 Comment
  UC1361956  Sedum niveum Reid Moran 1968-8-3 15346 Riverside on ne slope ridge 1 mi nw Toro Peak; nw of Toro Peak 2250 Comment
  SD87790  Selaginella bigelovii F. W. Peirson 1920-2-15 1530 Riverside Murray CaA'on Comment
  POM9818  Selaginella bigelovii Edmund C. Jaeger 1921-7-15 s.n. Riverside Massacre Canyon, 4 miles west of San Jacinto 548 Comment
  POM12530  Selaginella eremophila Philip A. Munz 1922-3-12 4713 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  RSA23190  Selaginella eremophila Ira L. Wiggins 1938-3-25 8925 Riverside Eagle Canyon, 3-5 miles south of Palm Springs. Comment
  UCR91553  Selaginella eremophila A. C. Sanders, C. L. Sanders, G. K. Helmkamp, L. Lubinsky 1995-1-29 15903 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, along the loop rd just below the lower tram station 793 Comment
  UCR146130  Selaginella watsonii Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1446 Riverside Peninsular Ranges; San Jacinto Mtns, northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  CAS-BOT-BC363483  Senecio californicus C. L. Hitchcock 1966-3-16 24187 Riverside Hills about 5 miles n.e. of Aguanga Comment
  UC1563104  Senecio californicus Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3103 Riverside dried bed of man-made pond and adjacent slopes at n base of rounded knob 1.25 mi wsw dam; Vail Lake area 609 Comment
  SEINET3094739 Image available Senecio douglasii Norman C. Cooper 1943-9-26 926 Riverside Cabazon 549 Comment
  UCR92386  Senecio flaccidus var. douglasii F. M. Reed 1933-11-6 8306 Riverside Peninsular Range; Santa Rosa Mtns, Santa Rosa Indian Reservation 1402 Comment
  POM126253  Senecio mohavensis Thos. Craig 1927-4-2 8 Riverside Canyon near Hidden Springs. Comment
  RSA0042160  Senecio mohavensis Duncan S. Bell, Evan Meyer 2014-4-2 6512 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR13319  Senecio mohavensis O. F. Clarke 1973-4-1 s.n. Riverside Sonoran (Colorado) Desert, Plateau above Box Canyon, along State Hwy 195, c. midway between Hwy I-10 and the Salton Sea Comment
  UCR52152  Senecio mohavensis Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2197 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  LA204898  Senegalia greggii Norman C. Cooper; 1944-5-20 2632 Riverside San Jacinto Mountains, Palms to Pines Highway 304 Comment
  UCR264228  Senna armata A. C. Sanders, Jim Malusa 2015-9-10 41855 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  SEINET13276827 Image available Senna artemisioides A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-1 42000 Riverside Peninsular Range: along Hwy 79 c. 1 km east of Los Caballos Rd. and 1 km west of Pauba Rd. (Pechanga 7.5' Q.) 401 Comment
  UC2013412  Sequoiadendron giganteum Rudolf Schmid and Mena J. Schmid 2009-5-1 2009 -6 Riverside NW San Jacinto Mountains NE of Highway 243 ca. 16 Highway km NW of Idyllwild, in the S unit of the San Bernardino National Forest, on SW, flank of Black Mountain (summit). Just left (as ascending) of Black Mountain Trail in flat open area on the sloping plateau or saddle just above the head of Hall Canyon. Comment
  CAS-BOT-BC240202  Setaria viridis Lewis S. Rose 1957-1-9 57024 Riverside La Quinta 15 Comment
  SEINET235747  Sidalcea malviflora Scott D. White 1997-5-18 5166 Riverside San Jacinto Mts. Vista Grande Area: Just W of USFS Vista Grande Fire Station (i.e. Hwy 243 ca. 10 road mi. SE of Banni 1494 Comment
  RSA674571  Sidalcea malviflora subsp. sparsifolia Scott D. White 2000-5-3 7764 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  CAS-BOT-BC109456  Sidotheca caryophylloides Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild. Comment
  CAS-BOT-BC109457  Sidotheca caryophylloides Frank W. Peirson 1924-7-29 5019 Riverside San Jacinto Mountains. Banning-Idlewild Road. 1767 Comment
  CAS-BOT-BC109426  Sidotheca emarginata Philip A. Munz 1937-5-30 15081 Riverside Northwest slope of Santa Rosa Mountains. 2133 Comment
  SD114242  Sidotheca trilobata Frank Gander 1941-6-9 1112 Riverside San Jacinto Mts. 1524 Comment
  SD116584  Sidotheca trilobata Barbara Ertter, Jeffrey Strachan 1980-5-21 3479 Riverside Santa Rosa Mountain road (Forest Road 7S02) 2.9 miles south of Highway 74 (Pines to Palms Highway) 1676 Comment
  RSA585726  Silene gallica D. L. Banks, Steve Boyd 1995-5-9 0395 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  CLARK-A1528-5010  Silene laciniata John C. Roos 1937-6-7 2399 Riverside Comment
  RSA559360  Silene multinervia 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
  RSA586099  Silene multinervia D. L. Banks, Steve Boyd 1995-4-5 0139 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, along the Dripping Springs Trail., 33 deg 27' 20''N-116 deg 58' 26''W 646 Comment
  UC465661  Silene verecunda A. W. Anthony 1895-7-9 Riverside San Jacinto Mt. 2438 Comment
  JEPS44374  Silene verecunda subsp. andersonii Lauramay T. Dempster 1966-6-19 4275 Riverside about 1 mi below junction with spur to Santa Rosa Springs (Santa Rosa Mountain road); , below jct to Santa Rosa Springs Comment
  RSA627511  Silene verecunda subsp. platyota Scott D. White, Julie Greene 1998-8-1 6960 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  RSA784535  Silene verecunda subsp. platyota J. D. Olmsted 1959-8-18 749 Riverside Tahquitz Creek drainage area: Along trail from saddle to Willow Creek near Skunk Cabbage Meadow, 5 mi east of Idyllwild. 2439 Comment
  POM87310  Simmondsia chinensis Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment