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

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229315  Abronia villosa John Thomas Howell 1928-1-28 3284 Riverside Thousand Palms, Colorado Desert Comment
  UCD109833  Abronia villosa R. L. Smith 1948-3-24 s.n. Riverside Foot of Andreas Canyon. Comment
  RSA667026  Abronia villosa var. aurita A. C. Sanders, Mitch Provance 1999-9-26 23086 Riverside Lake Hemet, north shore at FS day use area 1323 Comment
  RSA784775  Abronia villosa var. aurita Duncan S. Bell 2012-3-18 3179 Riverside The Mecca Hills; southeastern section of hills; up the east fork of Hidden Springs Canyon, approximately 1.75 air miles southwest of Hidden Spring. 95 Comment
  SEINET3133246  Abronia villosa var. aurita R. W. Spellenberg, D. Jackson 1972-5-19 2822 Riverside 7 mi E of downtown Hemet on Hwy 74 579 Comment
  JOTR31805  Abronia villosa var. villosa La Doux, Tasha, Bill Truesdell 2007-11-9 2513 Riverside Joshua Tree National Park. Pinto Basin, where Fried Liver Wash crosses Pinto Basin Road; between Hexie and Pinto Mountains (Stop 1) 532 Comment
  RSA0029326  Abronia villosa var. villosa Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4685 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  OBI13405  Acacia greggii Tracey & Viola Call, Viola Call 1962-4-6 2114 Riverside 3 mi NW of Desert Hot Springs 274 Comment
  RSA709872  Acacia greggii Scott D. White 2005-7-6 11153 Riverside San Gorgonio Pass: Cabazon. Toeslope of San Jacinto Mtns. and adjacent alluvial fan west of San Gorgonio River and south of I-10 Freeway. 579 Comment
  POM2530  Acacia greggii var. arizonica J. S. Chase 1916-04 s.n Riverside Palm Springs. Comment
  SEINET2059725 Image available Acacia greggii var. greggii Penny Stead 1970-4-25 Riverside Box Canyon 304 Comment
  RSA263761  Acer macrophyllum E. W. Lathrop 1971-3-24 7480 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  POM188068  Achillea millefolium L. Crutcher 1933-7-6 19 Riverside Camp Tahquitz, San Jacinto Mts. Comment
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Sep 27 2009
  UC891013  Achillea millefolium P. A. Munz 1922-6-24 5794 Riverside on wet banks of Pepe Creek Hemet Valley; San Jacinto Mts 1463 Comment
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Mar 25 2011
  RSA673498  Achnatherum coronatum Scott D. White, Sandy Leatherman 2000-4-19 7664 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  CAS-BOT-BC260327  Achnatherum hymenoides Ivan Johnston 1917-4-4 1098 Riverside Colorado Desert. Whitewater, about station Comment
  RSA775347  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5014 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66014 750 Comment
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May 22 2012
  UC39992  Achnatherum parishii H. M. Hall June 1901 Riverside Kenworthy San Jacinto Mountains 1371 Comment
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Mar 25 2011
  RSA126801  Achnatherum speciosum H. S. Yates 1937-3-24 6463 Riverside Near Head of Deep Canyon. 914 Comment
  SBBG57061  Achnatherum speciosum M. N. Ackley 1929-5-19 Riverside Tahquitz Lodge 1524 Comment
  UC127467  Achnatherum speciosum H. M. Hall 1905-5-10 6004 Riverside Cottonwood Pass Colorado Desert 609 Comment
  UCR60790  Achyronychia cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1405 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  UC1979646  Acmispon argophyllus Steve Boyd, D. L. Banks 1995-4-5 8418 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain on the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of lower Dripping Springs Trail, just south of the Wilderness boundary. Comment
  SDSU12867  Acmispon glaber var. brevialatus J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 20 Riverside Close to river ford in Santa Margarita Gorge directly south of Santa Margarita (SDSU) Field Station trailer. 238 Comment
  RSA0121046  Acmispon heermannii var. heermannii Duncan S. Bell, LeRoy Gross 2016-3-29 9121 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  UCD104282  Acmispon rigidus L. S. Rose 1935-12-23 s.n. Riverside Above Deep Canyon, San Jacinto Mts., 22 mi. so. Of Cathedral City, Colorado Desert. 1066 Comment
  SBBG35006  Acmispon strigosus T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  SFV17338  Acmispon strigosus J. N. Hogue, J. D. Dilley 1998-4-23 108 .21 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  CHSC30431  Adenophyllum porophylloides Jeffrey M. Lund 1980-4-3 51 Riverside One mile west of Corn Springs on the side of an unimproved road. 487 Comment
  SEINET10859062  Adenophyllum porophylloides A. K. Evans 1976-4-13 Evans 5204 Riverside Rocky slopes of Santa Rosa Mountains. 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
  RSA666640  Adenostoma fasciculatum var. fasciculatum A. C. Sanders, Mark A. Elvin, Julie Vanderwier 2002-4-22 24995 Riverside The Badlands: summit of Mt. Eden, SW of Beaumont. 686 Comment
  UCR100158  Agoseris Scott D. White 1994-4-23 2032 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  POM49571  Agrostis idahoensis P. A. Munz 1924-7-27 8785 Riverside Dark Canyon, San Jacinto Mountains. 1981 Comment
  OBI32757  Agrostis pallens E. W. Lathrop 1965-5-23 5770 Riverside 9 mi W of Murrieta Comment
  RSA339252  Allionia incarnata Robert F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53605 Riverside Pinto Basin Road: Along road, 4.5 mi S of meeting area of Mojave and Colorado Deserts 1098 Comment
  JOTR35381  Allionia incarnata var. incarnata Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 169 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  UCSB24716  Allium burlewii Sanders, Paul 1966-5-14 Riverside About 2 miles north of Tahquitz peak, in Mt. Pinos San Jacinto State Park 2438 Comment
  SEINET8467153 Image available Allium fimbriatum N. C. Cooper 1944-1 1237 Riverside Pinyon Flats, Palms to Pines Hwy, San Jacinto Mts 1219 Comment
  IRVC15593  Allium fimbriatum var. fimbriatum Charles W. Sexton 1974-4-28 s.n. Riverside Pinyon Flats Campground. Comment
  CAS-BOT-BC131979  Allium haematochiton S. Mashayekhi; M. Biabani 2008-4-6 SM 010 Riverside Ortega Hwy 74, 5.9 miles from S. main divide, below the Radio Tower 971 Comment
  CAS-BOT-BC131984  Allium haematochiton Marcus E. Jones 1931-3-2 28594 Riverside Corona 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
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Jul 31 2010
  RSA706306  Allium munzii Valentin Arvizu 2005-4-20 1 Riverside Temescal Valley, mouth of Indian Canyon, 15 fwy x Indian Truck Trail., CNDDB EO# 8 (probable Type Locality for Allium munzii), Sycamore Creek housing development site. 381 Comment
  RSA770511  Allium munzii S. Mashayekhi, Steve Boyd 2010-4-22 SM 049 Riverside Warm Spring Valley, Alberhill Creek, Baker St. 1.2 miles east of its junction with Pierce St. 397 Comment
  UCR129910  Allium praecox Mrs. C. M. Wilder 1905-1 s.n. Riverside Riverside 915 Comment
  UCR178622  Allium unifolium Steve Morgan 1995-5-18 s.n. Riverside San Bernardino Valley, UC Riveride Botanical Garden. Emma Swets Bulb Garden, Garden Grid Cell E-933 366 Comment
  UC1929473  Allophyllum Scott D. White, Michael Honer 2003-6-3 9486 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  RSA586312  Allophyllum glutinosum D. L. Banks, S. D. Boyd 1995-5-3 0223 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA741575  Allophyllum glutinosum Scott D. White, Justin M. Wood 2008-6-17 12171 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  RSA535475  Alnus rhombifolia Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6653 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Cyn, especially about Fishermans Camp. Comment
  RSA770792  Alnus rhombifolia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4533 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC64578  Amaranthus albus H. M. Hall 1901-8-6 2650 Riverside Moreno Comment
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Mar 20 2011
  UCD97074  Amaranthus arenicola T. B. Salvato; A. C. Sanders 2000-4-27 60 Riverside Coachella Valley: between Filmore and Buchanan on Avenue 56. -37 Comment
  SBBG119392  Amaranthus blitum A. C. Sanders 2001-11-25 24887 Riverside Moreno Valley, planting bed at Home Depot at Pigeon Pass Rd on N side of Hwy 60 503 Comment
  POM153376  Amaranthus californicus P. A. Munz, I. M. Johnston 1928-9-12 11247 Riverside Temescal Canyon, Lee s Lake. Comment
  UCR17540  Amaranthus californicus O. F. Clarke 1978-9-23 s.n. Riverside San Jacinto Mtns, Valley Hi County Park 1183 Comment
  CLARK-A1528-110  Amaranthus fimbriatus Charlotte Stocks 1964-8-27 Riverside Pinyon Crest Comment
  CLARK-A1528-1395  Amaranthus fimbriatus John C. Roos 1963-10-23 Riverside Chuckwalla Mountains Comment
  RSA0080441  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7579 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Hillside along Dunn Road, between Asbestos Mountain and Haystack Mountain, east-northeast of Potrero Spring. 1220 Comment
  RSA165959  Amaranthus fimbriatus E. R. Blakley 1961-9-12 4715 Riverside Pinyon Flat, Palms to Pines Highway. 1220 Comment
  UC1563107  Amaranthus retroflexus Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-10 3662 B Riverside Temecula Creek canyon, below the dam Vail Lake Area 457 Comment
  CAS-BOT-BC13678  Ambrosia artemisiifolia F. M. Reed 1906-9-27 1190 Riverside On pot of earth of Davidsonia involucrata from Chico, CA Comment
  RSA314630  Ambrosia dumosa R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55425 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  UC1539707  Ambrosia dumosa Chas. B. Fiker 1946-4-18 3417 Riverside w side Colorado Desert Comment
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Mar 23 2014
  CLARK-A1528-1538  Ambrosia ilicifolia Edmund C. Jaeger 1946-12-29 3193 Riverside Chuckwalla Mountains 304 Comment
  UCSB39058  Ambrosia ilicifolia Jorgensen, Jan 1982-3-22 Riverside Corn Spring Oasis, Chuckwalla Mountains 600 Comment
  POM10073  Ambrosia psilostachya Charlotte M. Wilder 1904-7-14 358 Riverside Jurupa Hills, Wilders Canyon. Comment
  SD137915  Ambrosia psilostachya Darin L. Banks, Steve Boyd 1995-10-17 778 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, Along lower Arroyo Seco. 515 Comment
  SD138940  Ambrosia pumila Craig Reiser 1993-4-19 Riverside Adjacent to Nichols Road about 400 yards west of Highway I-15 Comment
  SD138941  Ambrosia pumila Craig Reiser 1993-4-19 Riverside Beside Nichols Road about 400 yards west of Highway I-15 Comment
  UC1069630  Ambrosia salsola R. St. John 1929-3-25 15 Riverside Foot of Cabezon Mt San Jacinto Quad., Foot of Cabezon Mt. 609 Comment
  SBBG61691  Ambrosia salsola var. salsola M. N. Ackley -Feb-1926 247 Riverside near Edom 64 Comment
  POM307250  Amelanchier pallida Henry J. Ramsey, Henry J. Ramsey 1937-5-22 2239 Riverside Santa Rosa Mountains. Comment
  RSA783163  Amelanchier pallida J. D. Olmsted 1962-5-3 3515 Riverside Intersection of Pines to Palms Hwy and south access road to Thomas Moutain 1387 Comment
  UCR274328  Ammannia coccinea Mitch Provance 2012-7-11 612- 61 Riverside Badlands of Western Riverside County, Beaumont, along 1st St., near intersection with Grace Ave. 780 Comment
  UC1046273 Image available Ammoselinum giganteum P. A. Munz and D. Keck 1922-4-13 4930 Riverside Chuckawalla Valley; ; Chuckawalla Valley, Colorado Desert 152 Comment
  RSA78298  Amorpha californica P. A. Munz, E. K. Balls 1952-8-21 17988 Riverside Road to Santa Rosa Mt. from Vandeventer Flats. Comment
  JEPS35490  Amorpha fruticosa W. L. Jepson May 17 1901-Jun 1 1901 1343 Riverside near VanDeventers (towards Palm Canyon) Comment
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Feb 24 2013
  JEPS61149  Amsinckia intermedia S. B. and W. F. Parish 1882-4-20 469 Riverside borders of Colorado Desert (Whitewater) Comment
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Mar 10 2011
  SD137842  Amsinckia intermedia Darin L. Banks, Steve Boyd 1995-5-3 242 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, North slope of Agua Tibia Mountain, East of Dripping Springs Alcove Area,Arroyo Seco 500 Comment
  SD212521  Amsinckia intermedia A. C. Sanders 2006-5-11 32262 Riverside Warm Springs Valley, North edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Avenue and Riverside Drive, Northeast of Alberhill Creek, Northwest of Enterprise way 388 Comment
  UCR234334  Amsinckia intermedia A. C. Sanders, John F. Green 2012-3-26 40000 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, mouth of a small canyon between Horsethief Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 369 Comment
  UCR86649  Amsinckia intermedia A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16266 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
  RSA0089620  Amsinckia intermedia W. Wisura, A. King, L. Newcomb 1992-4-10 4675 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  RSA359529  Amsinckia menziesii Steve Boyd 1986-3-9 1392 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  SEINET7907888  Amsinckia menziesii D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris & Lake Elsinore 488 Comment
  UCR117647  Amsinckia menziesii Scott D. White, M. Jacobsmeyer 1996-4-20 3977 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  UCR140691  Amsinckia menziesii A. C. Sanders 2004-5-12 27859 Riverside Elsinore Basin Region, Alberhill Mountain, northwest foot near Lake St. at Alberhill 378 Comment
  POM14034  Amsinckia tessellata P. A. Munz, D. D. Keck 1922-4-15 4987 Riverside Near Moreno. Grain field. 366 Comment
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Mar 20 2011
  UCR213397  Amsinckia tessellata var. tessellata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37464 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
  POM115619  Amsonia brevifolia var. tomentosa A. M. Alexander, Louise Kellogg 1941-5-23 2225 Riverside one-half mile north of cottonwood spring, Eagle mountains. 915 Comment
  SDSU13504  Anagallis arvensis W. Miller with C. Mosse 1972-7-12 Riverside Comment
  SEINET10721346  Antennaria David B. Dunn 1946-8-18 Dunn 2760 Riverside On dry gravely soil on ridge overlooking round valley where the trail forks going to Round valley & to Peak; but 50 feet farther up trail. 2743 Comment
  UC63070  Antennaria rosea H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley San Jacinto Mountains, Tamarack Valley 2834 Comment
  RSA0000866  Antennaria speciosa H. M. Hall 1901-07 2401 Riverside San Jacinto Mountains. Tamarack Valley. 2835 Comment
  SBBG101795  Anthriscus caucalis S. Boyd 1991-5-10 6214 Riverside just N of mouth of Hagador Cyn at bottom of Skyline Drive 426 Comment
  RSA36569  Antirrhinum coulterianum Sara M. Schenck 1941-5-30 s.n. Riverside East side of Quail Mt. Comment
  RSA0125282  Antirrhinum filipes Duncan S. Bell 2016-3-4 8787 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  RSA618164  Antirrhinum kelloggii D. L. Banks 1997-5-5 2021 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UC1537412  Antirrhinum nuttallianum subsp. nuttallianum Gordon H. True Jr. 1935-4-17 242 Riverside Mockingbird Canyon 457 Comment
  UCR25370  Antirrhinum nuttallianum subsp. nuttallianum John C. Roos 1952-4-13 5517 Riverside Riverside, Box Springs Mtns above Canyon Crest Heights 457 Comment
  RSA615134  Aphanes occidentalis A. C. Sanders, G. Helmkamp 1997-3-15 19956 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road. 503 Comment
  POM128366  Apiastrum angustifolium Thos Craig 1927-4-23 203 Riverside Glen Ivy. Comment
  RSA716377  Apiastrum angustifolium Scott D. White 2006-4-27 11296 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
  SD137929  Apiastrum angustifolium Darin L. Banks, Steve Boyd 1995-4-5 154 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove. 505 Comment
  RSA0123371  Apocynum cannabinum Duncan S. Bell, Thomas Stoughton 2016-4-14 9303 Riverside Santa Rosa Mountains; eastern drainage of Asbestos Mountain; at a spring in Carrizo Creek approximately 1 air mile north of Black Hill. 758 Comment
  UCR278861  Aptenia cordifolia Mitch Provance 2011-6-15 17103 Riverside Santa Ana River Valley, Riverside, north side of Market St., 100-200 ft. east of the rip rap along the Santa Ana River34 245 Comment
  PASA2387  Aquilegia truncata Sally Ellis 1939-6-21 Riverside Halona, Idyllwild Comment
  RSA162729  Arabis pulchra John Olmsted, J. D. Olmsted 1958-3-29 72 Riverside North of Cottonwood Springs, which is 8 miles north of thesouthern entrance to Joshua Tree Nat. Mon. with interior drainage to Pinto Basin and just off the Cottonwood Pass road. 991 Comment
  POM12140  Arceuthobium campylopodum Mary F. Spencer 1921-7-6 1078 Riverside Idyllwild. 1616 Comment
  SEINET6630449  Arceuthobium campylopodum N. Cooper 1944-7-16 1547 Riverside San Jacinto Mountians. Pine Cove 1524 Comment
  RSA629396  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19525 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629480  Arctostaphylos glandulosa Jon E. Keeley 1978-9-16 7256 Riverside Road to Black Mountain off Highway 243. 1600 Comment
  UCR277893  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42673 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Tenaja Rd. at north foot of Redonda Mesa, 0.65 km west of intersection with Corona Calle Camino 680 Comment
  SD217272  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-2 6655 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness; lower half of Tenaja Canyon especially about Fisherman/s Camp Comment
  UCR44197  Arctostaphylos glandulosa subsp. glandulosa A. C. Sanders 1986-6-1 6565 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  SD255138  Arctostaphylos glandulosa subsp. glandulosa R. F. Thorne, E. W. Lathrop 1977-5-18 49727 Riverside Santa Ana Mountains: Bear Spring (east slope of Santiago Peak). Comment
  RSA629167  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16807 Riverside Rd. to Thomas Mts. (5S15), 7.0 km north of Toolbox Springs. 1720 Comment
  RSA629363  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16832 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  UC1120226  Arctostaphylos glandulosa subsp. zacaensis R. St. John 1929-3-15 14 Riverside Poppet Valley San Jacinto Quadrangle Comment
  CAS-BOT-BC24670  Arctostaphylos glauca Scott D. White 1996-4-14 3922 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. USGS 548 Comment
  UCR100167  Arctostaphylos glauca Scott D. White 1992-12-16 986 Riverside Vail Lake area, c. 7 air mi NE of Aguanga (junction of Hwys 371 & 79) & 4 air mi N-NW of Beauty Mtn Peak. 1159 Comment
  UCR167779  Arctostaphylos glauca Richard Minnich 2002-10-28 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns; SE of VABM Inspiration; near the second peak (c. 0.4 mi) NW of Salton View (Keys View) Parking Lot 1677 Comment
  RSA633638  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20161 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633660  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16659 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633729  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16615 Riverside Road to Santa Rosa Mountain, (7S02), 1.8 km south of Highway 74. 1560 Comment
  RSA633771  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21758 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  UC21885  Arctostaphylos patula H. M. Hall 1901-6 2419 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  RSA635594  Arctostaphylos peninsularis subsp. peninsularis Jon E. Keeley 1992-7-17 16764 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA783228  Arctostaphylos pringlei J. D. Olmsted 1962-5-2 3467 Riverside 20 degree N slope along Banning-Idyllwild Road 1159 Comment
  UCR240627  Arctostaphylos pringlei Tracy Tennant, Mitch Provance 1998-6-16 MOR- 422 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA297388  Arctostaphylos pringlei subsp. drupacea Larry E. DeBuhr 1972-3-23 526 Riverside Santa Rosa Mts; San Bernardino National Forest; northwest of Santa Rosa Pk. 2316 Comment
  UCR129656  Arctostaphylos pringlei subsp. drupacea Larry E. DeBuhr 1972-3-23 531 Riverside Santa Rosa Mtns., San Bernardino National Forest, along forest road 7S02 2104 Comment
  LA42247  Arctostaphylos pungens C. B. Wolf; 1931-5-11 1953 Riverside near Pipe Creek, above Hemet Valley, San Jacinto Mts 1676 Comment
  RSA635778  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16724 Riverside Hwy 74, 4.3 km west of road (7S02) to Santa Rosa Mtn. 1470 Comment
  RSA635809  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16545 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  UCR269232  Arctostaphylos pungens A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42003 Riverside Peninsular Range; San Jacinto Mtns., Hwy 243 above Vista Grande Ranger Station and just below Black Mountain Trail junction 1564 Comment
  RSA635998  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21605 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  RSA636158  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18814 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636187  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19486 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
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Jun 8 2012
  SD180728  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-9 414 Riverside Santa Margarita Ecological Reserve, off dirt road leading from southside facilities to inholding residences, ca. 200 meters west of houses and 10 meters south of dirt road. 167 Comment
  UCR158146  Arctostaphylos rainbowensis S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  UCR90413  Arctostaphylos rainbowensis D. L. Banks, Steve Boyd 1995-3-15 0076 Riverside NW Palomar Mtns, Agua Tibia Wilderness Area, N face of Agua Tibia Mtns., Dorland Mtn. area 738 Comment
  SD232214  Arenaria macradenia subsp. macradenia Scott D. White, Justin M. Wood 2008-6-17 12182 Riverside San Jacinto Mountains: Garner Valley - Kenworhty Station (USFS). Meadow and adjacent uplands. 1378 Comment
  RSA105975  Argemone munita subsp. munita Gerald B. Ownbey, Findley Ownbey 1954-8-7 2178 -a Riverside 9.7 mi., s.e. of Idyllwild, Hemet Valley road; 1372 Comment
  RSA0002644  Argythamnia claryana Marjorie D. Clary 1936-10-24 1707 Riverside Foot of Santa Rosa Mts. about 10 miles west of Coachella. Comment
  RSA336200  Aristida adscensionis var. modesta R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52012 Riverside Chino Canyon Comment
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Apr 24 2011
  SEINET5336075  Aristida californica H. M. Hall 1905-5-1 5963 Riverside Lower Sonoran Zone, Canons along Colorado River Comment
  UC1130848  Aristida purpurea H. S. Yates 1937-6-27 6711 Riverside Lower San Jacinto River Canyon San Jacinto Quadrangle Comment
  UCR241009  Aristida purpurea Tracy Tennant 1998-3-27 227 Riverside North Hills, Domenigoni Valley area, SE of Winchester 694 Comment
  UCR260358  Aristida purpurea var. nealleyi A. C. Sanders, Jim Malusa 2015-3-9 41368 Riverside Sonoran (Colorado) Desert, 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
  UCR58440  Aristida purpurea var. nealleyi A. C. Sanders 1989-9-20 9513 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains 610 Comment
  UCR71031  Aristida purpurea var. parishii Chet McGaugh 1991-11-26 s.n. Riverside Peninsular Range; So. Santa Ana Mtns., Mesa de Colorado, Santa Rosa Plateau Nature Conservancy Preserve, south flank of the mesa on a south-facing slope 457 Comment
  RSA385032  Aristida purpurea var. purpurea N. C. Cooper 1944-5-19 1291 Riverside Banning. 701 Comment
  UCR100574  Aristida purpurea var. purpurea George K. Helmkamp 1997-11-1 2513 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  UCR19696  Aristida purpurea var. wrightii J. R. Holliday 1969-5-5 44 Riverside Peninsular Range; San Jacinto Mtns. Foothills, Hwy 79, 1.5 mi NW of Gilman Hot Springs, 200 yards north of the road junction 463 Comment
  LA9316  Artemisia californica Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  UCR103738  Artemisia californica A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21617 Riverside Lake Skinner Reserve area, Crown Valley, east of Rawson Road 671 Comment
  RSA94533  Artemisia californica F. W. Peirson 1920-12-29 1456 Riverside 1.5 miles east of whitewater, head of Coachella Valley. 305 Comment
  HSC101294  Artemisia dracunculus A. C. Sanders, D. L. Sanders 2010-11-28 38700 Riverside Peninsular Range; NW Gavilan Hills: Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave 232 Comment
  JEPS36925  Artemisia dracunculus Carl V. Meyer 1928-7-30 597 Riverside Saunders Meadow San Jacinto Mts., Saunders Meadow 1676 Comment
  RSA33370  Artemisia dracunculus N. C. Cooper 1943-9-26 928 Riverside Cabazon. 549 Comment
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May 21 2011
  RSA38363  Artemisia dracunculus Philip A. Munz 1946-10-19 11566 Riverside Coahuila. 1098 Comment
  UC29672  Artemisia dracunculus H. M. Hall 1901-6-8 2012 Riverside San Jacinto River Canyon San Jacinto Mountains, San Jacinto River Canyon 762 Comment
  SEINET3081983 Image available Asclepias californica H. S. Gentry 1954-7-27 14257 Riverside Dripping Springs, along Route 89. Comment
  UCR141259  Asclepias eriocarpa A. C. Sanders, Kelly Volansky 2004-10-6 28825 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  UC22975  Asclepias erosa H. M. Hall June 1901 2111 Riverside along borders Colorado Desert (e base of mountains); San Jacinto Mountains Comment
  SD224819  Asclepias subulata B. Pitzer 1996-11-9 2927 Riverside Orocopia Mts: Bob's Cabin, ca 4 rd mi. N of Salt Creek Rd & 4.5 air mi. S of the W end of Hayfield Lake. Hayfield 15' USGS Quad. 609 Comment
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Mar 14 2015
  CSUSB407  Asparagus officinalis Randy Salstrom 1966-3-28 Riverside 50 yards west of north end of Canyon Crest Blvd., beside Gage Canal in Riverside (city). 274 Comment
  CAS-BOT-BC482876  Asphodelus fistulosus A. C. Sanders; T. B. Salvato 2001-5-24 24371 Riverside Perris-Aguanga Basin region: Temecula, Long Cayon area west of Del Rey Rd. along Avenida Buena Suerte 381 Comment
  RSA356725  Aspidotis californica R. F. Thorne, Earl Lathrop 1975-5-25 45554 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  UCR64603  Aspidotis californica P. A. Munz 1918-4-27 2119 Riverside Peninsular Range, Temecula 427 Comment
  UCR46723  Aster bernardinus B. G. Pitzer, D. C. Hawks 1986-12-2 0364 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  SBBG67452  Astragalus M. E. Jones 1929-3-9 Riverside Whitewater Comment
  UCR245966  Astragalus aridus Duncan S. Bell 2009-3-9 111 Riverside Arica Mountains, east side of the range, west side of Rice Valley, c. 2.7 air miles NE of Priest Well, or c. 3.3 air miles SE of ghost town of Rice 244 Comment
  CLARK-A1528-2735  Astragalus didymocarpus John C. Roos 1938-4-28 1618 Riverside La Sierra Comment
  POM10343  Astragalus didymocarpus H. M. Hall 1897-3-13 241 Riverside Elsinore Lake Comment
  CAS-BOT-BC177876  Astragalus didymocarpus var. didymocarpus Steve Boyd 1986-4-2 1620 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  UC862667  Astragalus didymocarpus var. dispermus Alice Eastwood 1913-4-30 3058 Riverside Palm Springs Comment
  UC1563117  Astragalus douglasii var. parishii Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-18 2998 Riverside Temecula Creek Cyn below Vail Lake dam (Vail Lake area); Temecula Creek Cyn below Vail Lake dam 457 Comment
  RSA90215  Astragalus filipes F. W. Peirson 1922-5-20 3341 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  UCR102822  Astragalus gambelianus A. C. Sanders 1997-3-26 20112 Riverside Lake Skinner area, NW foot of Tucalota Hills, shallow valley along dirt road 0.65 mi. east of main Lake Skinner road 457 Comment
  CLARK-A1528-2745  Astragalus insularis var. harwoodii John C. Roos 1949-4-10 4222 Riverside Chuckwalla Mountains Comment
  RSA0009771  Astragalus insularis var. harwoodii Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA415585  Astragalus lentiginosus var. coachellae George B. Grant 1906-5-10 1931 Riverside Palm Springs. Comment
  SBBG132094  Astragalus lentiginosus var. coachellae S. D. White 2001-4-18 8367 Riverside Palm Springs, NE corner of 30th Ave and Devall St 101 Comment
  SEINET2060082 Image available Astragalus lentiginosus var. variabilis P. Leary 1975-2-16 934 Riverside S of Pinto Mountain, Joshua Tree National Monument. 518 Comment
  RSA415626  Astragalus nuttallianus var. imperfectus M. B. Dunkle 1935-3-31 4445 Riverside Cottonwood Springs. Colorado Desert. 701 Comment
  PASA2744  Astragalus pachypus var. jaegeri Frank W. Peirson 1922-4-29 2950 Riverside 1 mile south of Dripping Spring, Temecula River 518 Comment
  RSA415715  Astragalus pachypus var. jaegeri H. M. Hall 1897-4-18 477 Riverside Beaumont Comment
  RSA27336  Astragalus palmeri C. L. Hitchcock 1940-4-4 5945 Riverside Pinto Basin. Comment
  CAS-BOT-BC194130  Astragalus pomonensis Peter H. Raven; Sidney R. Snow 1956-7-6 9656 Riverside 0.3 miles from U.W. Highway 60 on State Highway 79 on route to Gilman Hot Springs Comment
  CAS-BOT-BC194140  Astragalus pomonensis Joseph Andorfer Ewan; Carl Epling 1933-5-4 7610 Riverside 5 mi. above Corona, Temescal Canyon Comment
  CAS-BOT-BC194171  Astragalus pomonensis Scott D. White; Julie Greene 1997-3-12 4778 Riverside Near I-215 Freeway, S of Perris and N of Menifee, low hills E of Bavaria Dr., Sun City - Perris Basin 487 Comment
  JEPS54786  Astragalus pomonensis W. L. Jepson 1901-5-17 1250 Riverside Florida [E-W street in Hemet] , Florida (San Jacinto Valley) Comment
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Jul 5 2010
  RSA415658  Astragalus pomonensis N. C. Cooper 1944-5-21 1237 Riverside Hemet. 549 Comment
  RSA653227  Astragalus pomonensis A. C. Sanders, T. B. Salvato 2000-5-25 23401 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  SBBG120068  Astragalus pomonensis A. C. Sanders, K. Volansky 2005-3-17 29216 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  SBBG3237  Astragalus pomonensis H. and M. Dearing 1937-4-12 2985 Riverside Lake Elsinore Comment
  CLARK-A1528-2758  Astragalus sabulonum John C. Roos 1949-3-19 4118 Riverside Mecca Comment
  LA205751  Astragalus tricarinatus J. A. Ewan; 1930-4-18 3096 Riverside Dry Morongo Creek below Morongo Valley 518 Comment
  UCR37629  Astragalus tricarinatus George K. Helmkamp 1984-5-5 E 5 Riverside Transverse Range, Little San Bernardino Mountains, Big Morongo Canyon, 4 road miles below the caretaker's house at the Big Morongo Preserve 549 Comment
  CAS-BOT-BC98822  Atrichoseris platyphylla Ira L. Wiggins 1941-3-27 9681 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center Comment
  JOTR31972  Atrichoseris platyphylla La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2208 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  UC724310  Atrichoseris platyphylla Aven Nelson, Ruth A. Nelson 1939-3-29 3328 Riverside near Mecca; Hidden Springs Canyon Comment
  UCR41750  Atrichoseris platyphylla A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6047 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, west side of the Chuckwalla Mtns., 6 mi. south of Hwy I-10 on gasline road; 1/2 mi. NW of Model Mine 520 Comment
  RSA696736  Atriplex canescens J. R. Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
  CAS-BOT-BC170214  Atriplex canescens subsp. canescens C. B. Wolf 1931-10-14 2462 Riverside Cabezon, San Gorgonio Pass 518 Comment
  UCR228401  Atriplex canescens var. canescens Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-3-31 117 Riverside Transverse Ranges; San Bernardino Mountains, Pacific Crest Trail. W of Whitewater Canyon. N of jct of I-10 and Rte 111 740 Comment
  RSA532569  Atriplex coronata var. notatior D. E. Bramlet 1991-5-2 2113 Riverside 7.6 km west of Hemet and aome 1.4 km southwest of the intersection of Warren Rd. and Stetson Ave. The population is some 68 m suth of Stetson Ave. and some 320 m. west of the MWD canal., Plants are located approximatly 3m from an existing dirt channel. 500 Comment
  RSA543882  Atriplex coronata var. notatior Steve Boyd, Dave Bramlet 1991-5-13 6238 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  RSA754841  Atriplex coronata var. notatior D. E. Bramlet, Jeff Crain 2009-5-18 4387 Riverside Perris Basin: San Jacnto River floodplain at 12th Street 122 m east of the river and 1.19 km west of Lakeview Avenue 431 Comment
  UCR55657  Atriplex coronata var. notatior L. F. LaPre, Jack Easton 1988-7-10 s.n. Riverside Perris-Aguanga Basin Region, San Jacinto River, 1 mi east of Perris [near Case Rd.] 427 Comment
  UCR85573  Atriplex coronata var. notatior Julie A. Greene 1993-6-11 1361 Riverside San Jacinto Valley, San Jacinto Wildlife Area, north side of San Jacinto River levee, west of Davis Road 436 Comment
  CDA23259  Atriplex elegans R. E. Riefner Jr. 2006-8-2 06 -350 Riverside City of Corona, southeast ca. 0.75 mile from Cajalco Road and Temescal Wash; south ca. 1.5 miles of Blue Diamond Quarry. Comment
  RSA737895  Atriplex glauca R. E. Riefner 2006-2-20 06 /29/2015 Riverside City of Corona, along Magnolia Ave off ramp on SW side of I 15 Freeway. 216 Comment
  UCR266362  Atriplex glauca D. E. Bramlet 2005-5-5 3847 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, canal right-of-way north of Devonshire Ave. 457 Comment
  CHSC239  Atriplex hymenelytra E. Thomas 1940-2-17 Riverside Thermal Canyon, Coachella valley. 30 Comment
  POM220055  Atriplex hymenelytra F. R. Fosberg 1932-3-13 8087 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  SD251214  Atriplex hymenelytra Duncan S. Bell 2013-1-30 4445 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon just to the west of Mecca Hills peak 1642. 138 Comment
  SEINET4135079  Atriplex hymenelytra David B. Dunn, H. E. Brown; E. McClintock 1947-3-16 2862 Riverside Pushawalla Canyon, Indio Hills.; 0 Comment
  UC1076492  Atriplex hymenelytra Herbert L. Mason 1928-3-10 4206 Riverside Coachella Mountains, Hidden Springs Canyon Hidden Springs Canyon; Coachella Mountains, Hidden Springs Canyon Comment
  SEINET4136681  Atriplex lentiformis S. Langer 1994-4-6 s.n. Riverside Junction of Mecca and Hwy. 195.; 0 58 Comment
  JEPS59643  Atriplex polycarpa S. B. Parish 1912-10-10 8262 Riverside Mecca Salton Basin, Mecca -57 Comment
  RSA65380  Atriplex polycarpa Marcus E. Jones 1928-12-15 s.n. Riverside Indio, Coachella Valley Comment
  RSA737228  Atriplex prostrata Justin M. Wood 2008-9-22 148 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCD97796  Atriplex serenana K. Esau 1935-6-15 s.n. Riverside Riverside. Comment
  UCR6700  Atriplex serenana W. W. Wright 1967-1 s.n. Riverside City of Riverside, University of California campus, south of Pennsylvania Ave. (now Martin Luther King Blvd.), west of Midgeville. 335 Comment
  RSA532584  Atriplex serenana var. davidsonii D. Bramlet 1991-6-20 2200 Riverside San Jacinto Wildlife Area. Approximately 8 m. E of Davis Road and some 150 m. N of the San Jacinto River levee. Old Riverbed area beside the existing channelized area of the San Jacinto River. 475 Comment
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Jan 16 2013
  RSA0106899  Atriplex serenana var. serenana Mitch Provance, Ken Halama 2003-6-15 17056 Riverside Temescal Mountains: Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  SD142848  Atriplex serenana var. serenana Craig Reiser 1996-5-9 6 Riverside Winchester: adjacent to Haddock Road in swale, Winchester Park play area situated yards away (mak 10/07) Comment
  RSA736292  Atriplex suberecta Scott D. White, Justin Wood 2008-5-27 12031 Riverside North bound I-215 freeway corridor, S of San Jacinto River crossing. 431 Comment
  SDSU13514  Avena barbata W. Miller 1972-7-5 Riverside Comment
  CLARK-A1528-4497  Avena fatua John C. Roos 1952-4-9 5472 Riverside Riverside 274 Comment
  UCR202437  Avena fatua Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR2188  Avena fatua F. M. Reed 1934-3-1 8703 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 274 Comment
  RSA639390  Azolla filiculoides Louis Cutter Wheeler 1933-7-27 2044 Riverside Santa Ana River at Chino Creek. 152 Comment
  POM68496  Baccharis emoryi Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms Comment
  RSA220386  Baccharis emoryi C. W. Tilforth, John Dourley 1970-10-16 315 Riverside 1 mile W of Lake Mathews along Cajlco road Comment
  RSA518205  Baccharis emoryi O. F. Clarke 1970-10-20 s.n. Riverside Growing wild at the UCR Botanic Gardens, on the Campus of University of California Comment
  SEINET10617172  Baccharis emoryi David B. Dunn 1946-3-17 Dunn 2104 Riverside In dry portion of sandy wash of Pushawalla Canyon. Indio Hills. Comment
  IRVC9315  Baccharis glutinosa Charles Leavell 1966-2-9 7 Riverside Santa Ana Canyon: off Highway 91, 200 yards east of the Riverside-Orange county line, on northeast slope. Santa Ana Mountains 213 Comment
  POM231959  Baccharis pilularis Noel Wallace 1937-11-15 s.n. Riverside Sheltered place in a canyon on N slope of Box Springs Mts. Comment
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Sep 7 2011
  CAS-BOT-BC106739  Baccharis salicifolia C. L. Hitchcock 1966-3-15 24159 Riverside 3 mi. e. of Glen Ivy Hot Springs, in sandy wash. Comment
  CAS-BOT-BC106749  Baccharis salicifolia Mrs. J. D. Abrams 1901-5-19 s.n. Riverside Elsinore Comment
  RSA510030  Baccharis salicifolia B. Pitzer, E. Misqez 1988-2-28 625 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  SD224825  Baccharis salicifolia A. C. Sanders, S. Hawkins, J. Goetzen & D. Freeman 1996-5-1 18109 Riverside San Bernadino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1096 Comment
  UCR138718  Baccharis salicifolia Julie A. Greene 1993-4-17 1221 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  UCR270757  Baccharis salicifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8371 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
  UCR46717  Baccharis salicina B. G. Pitzer, D. C. Hawks 1986-12-2 0363 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  SEINET2096779  Baccharis sarothroides R. Harms 2003-4-1 Riverside San Andreas Oasis, Dos Palmas Reserve; -15 Comment
  SEINET899355  Baccharis sergiloides C. B. Wolf 1932-1 4272 Riverside Colorado Desert. Little San Bernandino Mts. Morongo Wash, 3/10mi. Below San Bernandino Co. line 671 Comment
  UCR37615  Baccharis sergiloides George K. Helmkamp 1984-5-2 D- 2 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  CAS-BOT-BC295890  Bahiopsis parishii Nancy Ryan Zabriskie; Walter Zabriskie 1973-4-3 605 Riverside Poorwill Canyon, Andreas Canyon area, Palm Canyon drainage, E slope San Jacinto Mtns. (Site A-6) 426 Comment
  POM182202  Bahiopsis parishii Philip A. Munz 1932-4-24 12387 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  CAS-BOT-BC99967  Baileya pauciradiata Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  POM8369  Baileya pauciradiata Mary F. Spencer 1920-3-12 216 Riverside Mecca. Colorado Desert -60 Comment
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Sep 7 2011
  RSA0014454  Baileya pauciradiata Justin M. Wood, J. Miner 2010-4-29 1527 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  UC30493  Baileya pauciradiata S. B. Parish Apr 4 1896-Apr 13 1896 4125 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. 152 Comment
  UCR60791  Baileya pauciradiata Steve Boyd, O. Mistretta 1986-3-13 1404 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  CAS-BOT-BC106611  Baileya pleniradiata Carl B. Wolf 1932-4-27 3026 Riverside Colorado Desert, Mecca - Blythe Road, 3/4 mi. west of Utopia 152 Comment
  POM350686  Baileya pleniradiata M. B. Dunkle 1935-3-17 4398 Riverside Desert Center. 610 Comment
  POM122202  Bebbia juncea Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, near Mecca, Colorado Desert. Comment
  RSA342538  Bebbia juncea R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54019 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  RSA652575  Bebbia juncea David B. Dunn 1947-7-12 2962 Riverside Pushawalla canyon in the Indio Hills, below the Palms Comment
  RSA696875  Bebbia juncea J. Russell Bruff 1927-10-8 1 -N Riverside Thousand Palms Comment
  SD5513  Bebbia juncea var. aspera Fidella G. Woodcock Jul 1928 Riverside Among rocks in stream, Palm Canyon, Palm Springs Colorado Desert (mak 7/07) Comment
  SFV6299  Bebbia juncea var. aspera T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 53 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Sandy wash. Comment
  UC68873  Bebbia juncea var. aspera S. Grout 1903-7-1 Riverside Rubidoux Mt. Comment
  UCR241957  Bebbia juncea var. aspera A. C. Sanders, John F. Green 2012-3-21 39983 Riverside Peninsular Range; Gavilan Hills, Good Hope area, along powerlines south of the dirt extension of Ethanac Rd. and north of Eugene St., near S end of Richland Ln. 494 Comment
  UCR17611  Berberis dictyota B. A. Carlson 1978-5-13 s.n. Riverside Santa Rosa Mtns, 5.5 mi. south of Hwy 74 on road to Toro Peak Comment
  CAS-BOT-BC207049  Bernardia incana Annie M. Alexander; Louise Kellogg 1941-5-23 2220 Riverside Near mouth of canyon, north slope of Eagle Mountains 1371 Comment
  SEINET3347392 Image available Bernardia myricifolia Andrew C. Sanders, Chika Mori 2011-6-14 39662 Riverside Peninsular Range; Santa Rosa Mtns.; Hwy 74 near 'Agave Hill', 0.3 km SW (249 deg. ) of VABM 'Lucky', 1.6 km NE (37 deg. ) of Black Hill, ridge west of Deep Canyon and east of Carrizo Creek, above switch backs 801 Comment
  UCR123867  Bernardia myricifolia Steven R. Hill 2001-5-3 33696 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-A1528-172  Bidens laevis John C. Roos 1951-9-25 5266 Riverside Riverside 259 Comment
  RSA319720  Bidens laevis Charlotte M. Wilder 1970-10-15 4808 Riverside Prado Dam in Prado Flood Control Basin on edge of river bordering old roadbed E of dam. 122 Comment
  UCR271519  Bloomeria crocea T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8361 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
  RSA367331  Bloomeria crocea var. crocea N. C. Cooper 1944-7-16 1542 Riverside San Jacinto Mtns., Pine Cove. 1677 Comment
  SD129258  Boerhavia coccinea A. C. Sanders 1989-9-19 9510 Riverside Chocolate Mountains Aerial Gunnery Range: 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabaseca Target, along wash. UTM: 11S PH-35E, 07N 680 Comment
  UCR83433  Boerhavia triquetra A. C. Sanders, P. J. MacKay, L. Lubinsky 1994-10-30 15854 Riverside San Bernardino Mtns., Whitewater River Canyon between Red Dome & Stills Landing, SE of VABM Paw (2988 ft.) 854 Comment
  UCR265474  Boerhavia triquetra var. intermedia Jordan Zylstra 2014-8-17 14022 Riverside Santa Rosa Mountains, vicinity of Pinyon Flat and head of Cactus Springs Trail, south of Hwy 74 1280 Comment
  UCR58441  Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains 610 Comment
  UCR85430  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15886 Riverside Sonoran (Colorado) Desert, Salton Sink: Dos Palmas oasis area, managed ponds near the Nature Conservancy preserve headquarters (Rancho Dos Palmas) -37 Comment
  UC53648  Bothriochloa barbinodis Dr. A. Davidson Riverside Banning Comment
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Mar 13 2011
  UCR142039  Bothriochloa barbinodis Mike Misenhelter 2004-10-1 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns, Bronson property (around triangular pond seen on topo), c. 3.5 miles SW of Temecula near Santa Margarita River 427 Comment
  SEINET3920214  Bouteloua aristidoides David Charlton 1988-2-18 1127 Riverside S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. 1 mi. E of Jct Dillon Rd. and Fargo Cyn Rd.; 0 610 Comment
  UCD56835  Bouteloua aristidoides A. A. Beetle 1942-4-23 3189 Riverside 24 miles north of Blythe, banks of Colorado River. Comment
  UCR242652  Bouteloua aristidoides A. C. Sanders, T. B. Salvato 2012-10-12 40437 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, along Bradshaw Trail c. 2 miles west of 30th Ave. at Ludy Blvd./ canal crossing 114 Comment
  UCR18067  Bouteloua barbata Paul Mack, Hap Ritter 1976-10-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley Dunes. south of I-10 between Wiley Well Road and Graham Pass Road 152 Comment
  LA211888  Bouteloua barbata var. barbata Deidre Conocchioli; Caitlin Elam 2013-10-1 74 Riverside CHOCOLATE-CHUCKWALLA MOUNTAINS, East of Little Chuchwalla Mountains. From Blythe, CA, Take I-10 W for 17.8 miles, take the Wiley's Well Road exit. Turn left (S) on Wiley's Wll Rd. Travel for 1.3 miles on paved road, then continue onto the unpaved portion 177.0 Comment
  RSA0089243  Brachypodium distachyon Steve D. Boyd 2011-3-30 12306 Riverside Coastal plains and basins; San Bernardino basin region: City of Riverside, residential lot at northwest corner of Beechwood Place (4131) and Brockton Avenue. 256 Comment
  POM296454  Brandegea bigelovii Lyman Benson, Robert Benson 1952-4-8 14853 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
  UCR86214  Brandegea bigelovii A. C. Sanders 1995-5-23 17116 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  RSA0036797  Brassica nigra Bruce Albert 1982-4-17 31 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Weedy disturbed road margins and field adjacent to Cajalco Rd. Comment
  SBBG82062  Brassica nigra O. F. Clarke 1985-5-13 Riverside San Jacinto River Valley, gun club ponds E of Davis Rd, a short distance N of Lakeview, E of the Bernasconi Hills 426 Comment
  SEINET3507546 Image available Brassica nigra Howard Scott Gentry 1948-5-30 8173 Riverside Southern California. Gentry Farm, ca. 3 miles NE of Murrieta. Comment
  UC50321  Brassica rapa H. M. Hall 1903-4-1 3816 Riverside vicinity of Riverside; Southern California 304 Comment
  RSA709905  Brassica tournefortii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4610 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR202770  Brassica tournefortii Judy Gibson 2008-3-17 s.n. Riverside Sonoran (Colorado) Desert, city of Palm Desert, Sun City retirement community on Westridge Ave, c. 100 yards soputh of Grape Arbor Ave 34 Comment
  OBI40181  Brickellia desertorum N. Miles Fellows 1984-11-12 27 Riverside Oasis de Los Osos Preserve, off Snow Crk Cyn at N foot of the San Jacinto Mts, 1 mi W of Snow Crk Village. T3S, R3E, S1/2 sec 20 488 Comment
  POM229413  Brickellia desertorum Noel Wallace 1937-1 45 Riverside Indian Canyon, Box Springs Mts. Comment
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Sep 7 2011
  UCR150643  Brickellia desertorum Bern Schwenn 1994-10-30 s.n. Riverside Joshua Tree National Monument, Little San Bernardino Mountains, Long Canyon; main canyon above narrows 976 Comment
  CAS-BOT-BC100609  Brickellia oblongifolia var. linifolia H. M. Hall 1901-5-1 1888 Riverside San Jacinto Mountains, Easetern base, along the borders of the Colorado Desert 1219 Comment
  SD132940  Brodiaea filifolia Tim Cass, Fred Sproul 1979-6-1 200 Riverside Mesa de Colorado, Pool A. (IPB 2/08) Comment
  SD90488  Brodiaea filifolia Robert F. Thorne, E. Lathrop 1969-6-6 39323 Riverside Santa Rosa Plateau, Rancho California, Mesa de Colorado, grassy area east of large vernal marsh. 625 Comment
  RSA757461  Brodiaea terrestris subsp. kernensis Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55203 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  UCR182519  Brodiaea terrestris subsp. kernensis Mitch Provance 2005-5-17 6566 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  SEINET14396884  Bromus anomalus F. S. Crosswhite 1960-11-4 Riverside Riverside. Comment
  RSA575964  Bromus carinatus Steve Boyd 1981-4-10 s.n. Riverside Galvin Hills region, summit of 'Rocky Bluff Ridge' east of Estelle Mountain. 832 Comment
  UC53639  Bromus catharticus E. L. Koethen 1897-8-12 6 Riverside Riverside Comment
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Jun 9 2011
  CSUSB427  Bromus diandrus Dean Jones 1966-4-16 Riverside Back yard of 3350 Mulberry Ave. in City of Riverside. 335 Comment
  UCR165423  Bromus hordeaceus A. C. Sanders 2005-4-21 29560 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  SEINET3923061  Bromus rigidus R. L. Piemeisel 1913-5-4 3586 Riverside Crestmore field.; 0 Comment
  CSUSB434  Bromus rubens Leland E. Francois 1966-3-8 3866 2 Riverside City of Riverside. Southwest corner of U.S. Salinity Laboratory. Property on corner of 14th Street and Palm Ave. 289 Comment
  SBBG97302  Bromus rubens W. L. Halvorson 1977-3-13 77 -181 Riverside near Temecula Comment
  SEINET14451727  Bromus rubens C. F. Shutts 1949-3-28 90 Riverside Palms to Pine Highway State 74. Santa Rosa Mountains. near Palm Springs 747 Comment
  RSA232962  Buddleja officinalis D. A. Young 1969-3-21 437 Riverside 3 miles west of Elsinore, California on a dirt road north of Highway 71, 500 yards off the road. 244 Comment
  SEINET13203179 Image available Cactaceae Marc A. Baker, Michelle Cloud, Hughes 2015-1 18297 .1 Riverside Chuckwalla Mountains, 4.1km WNW of Corn Spring, 630m NE of Aztec Well, 71km west of central Blythe, narrow valley floor 834 Comment
  RSA0104458  Caesalpinia virgata Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7743 Riverside Santa Rosa Mountains; upper north fork of Bear Creek, about 5.75 air miles north of the summit of Martinez Mountain. 357 Comment
  SD185298  Calandrinia ambigua John F. Green 2005-2-2 Riverside Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, ca. 3 miles east of Desert Beach 24 Comment
  CAS-BOT-BC438495  Calandrinia ciliata E. W. Lathrop 1959-4-1 4393 Riverside 18 miles S.W. of Elsinore. Tenaja Canyon. Comment
  POM305822  Calandrinia ciliata Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1072 Riverside Corona-Elsinore. Comment
  UCR225591  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2011-3-29 38883 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  SD181490  California macrophylla Steve Boyd 2001-4-12 10401 Riverside Santa Ana Mountains-Gavilan Hills Region, Temescal Canyon, terrace escarpment just south of DePalma Road, between Indian Wash and Horsethief Wash. Comment
  UCSB16252  Calocedrus decurrens Gates, C. 1963-5-4 Riverside In Montane Forest, Banning to Idyllwild Road, about 2 mi. S of turnoff to Black Mountain Campground, San Jacinto Mountains 2133 Comment
  RSA619553  Calochortus albus Darin L. Banks 1997-5-5 2001 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  RSA734158  Calochortus concolor Keith E. Hoffmaster 1937-6-6 802 Riverside Pinon Flat Comment
  UCR279324  Calochortus flexuosus A. C. Sanders, Jim Malusa 2017-3-23 42909 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  RSA582811  Calochortus palmeri var. munzii Mark Elvin, Orlando Mistretta 1995-6-21 63 Riverside San Jacinto Mountains: Mountain Center; along both sides of Hwy 74 at mile 60.0. 1427 Comment
  CAS-BOT-BC132459  Calochortus plummerae Marcus E. Jones 1926-6-20 s.n. Riverside Near [Bannnig] Banning Comment
  SBBG952  Calochortus plummerae L. Long 1940-6-9 Riverside Palms to Pines Hwy, E of Hemet Comment
  RSA180362  Calochortus splendens E. W. Lathrop 1960-5-6 4785 Riverside 10 miles west of Murrieta. Comment
  UCR172767  Calochortus splendens Abby Sirulnik, Ian G. Gillespie 2000-5-14 53 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCR20785  Calochortus splendens A. C. Sanders, Steve Boyd 1980-5-2 1417 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR21916  Calycadenia tenella Steve Boyd 1980-5-8 217 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UCR132861  Calycoseris parryi Kent Beaman 1983-4-2 04 Riverside Sonoran (Colorado) Desert, Coachella Valley, west side of Hwy 62 toward Morongo Valley, just north of Indian Ave. 549 Comment
  UCR120957  Calystegia macrostegia A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23887 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  CAS-BOT-BC215767  Calystegia macrostegia subsp. arida Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9664 Riverside Foot of grade, State Highway #74 along San Jacinto River Comment
  SD152879  Calystegia macrostegia subsp. intermedia Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-26 6695 Riverside Santa Ana Mountains, San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR91678  Calystegia macrostegia subsp. tenuifolia Steve Boyd 1995-4-24 8491 Riverside Peninsular Range, Palomar Range, Agua Tibia Wilderness Area, at NE [SE?] base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near its gabbro peak known as 'Agua 762 Comment
  UC23142  Calystegia occidentalis subsp. fulcrata H. M. Hall 1901-6 Riverside vicinity Strawberry Valley (San Jacinto Mountains); , vicinity Strawberry Valley 1584 Comment
  UCR193302  Calystegia occidentalis subsp. fulcrata A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35598 Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  CAS-BOT-BC199280  Calystegia sepium subsp. limnophila S. B. Parish 1903-10-15 5334 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
  SD197828  Camissonia A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16249 Riverside San Jacinto Mountains/Sonoran (Colorado) Desert: San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Highway 111 and Snow Creek Village. 334 Comment
  UCR259206  Camissonia Mitch Provance 2012-4-23 412- 13 Riverside San Gorgonio Pass, south of Banning, between the east end of Bobcat Rd. and the KOA campground on San Gorgonio Ave., in Montgomery Creek near its confluence with Smith Creek 681 Comment
  CDA39783  Camissonia bistorta Mike Lahti 2014-3-11 s.n. Riverside Bautista Canyon - East Hemet. San Bernardino National Forest. 0 Comment
  SEINET4680863  Camissonia bistorta Steve Boyd, Laurel Arnseth; Yvonne Rasmussen 1990-5-3 4549 Riverside Vail Lake area, rolling terrain at junction of Hwy R3 and Powerline Rd. NE of the lake.; 0 Comment
  UCR166170  Camissonia bistorta John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  RSA792481  Camissonia boothii subsp. condensata Justin M. Wood, Dustin Ray 2011-4-28 3847 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  HSC16418  Camissonia brevipes R. A. Eagle 1964-3-28 24 Riverside 5 mi. out of Palm Springs on the main Hwy. Comment
  POM13037  Camissonia brevipes subsp. brevipes P. A. Munz, D. D. Keck 1922-4-9 4894 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA135257  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-24 11440 Riverside Colorado Desert. with parents, only a few individuals and parents rarely growing together, on desert alluvial fan of Fargo Canyon. Comment
  RSA466016  Camissonia brevipes subsp. brevipes N. C. Cooper 1949-4-8 3314 Riverside Desert Center. 610 Comment
  POM7035  Camissonia californica P. A. Munz 1919-3-25 2317 Riverside Palm Canyon, Palm Springs. 229 Comment
  RSA346271  Camissonia californica Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54035 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  RSA501040  Camissonia californica Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3161 Riverside Agua Tibia Mountains. Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR116780  Camissonia californica A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24167 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR225712  Camissonia californica A. C. Sanders 2011-3-30 38915 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  UCR243184  Camissonia campestris Kate Kramer 2012-5-8 261 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  UCR277102  Camissonia campestris Robert J. Steers, Chris E. True 2008-3-25 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Snow Creek Canyon, north of Snow Creek Village NE of where the Pacific Crest Trail crosses Snow Creek Rd. 364 Comment
  UCR244382  Camissonia campestris subsp. campestris Jim Andre 2012-4-16 20953 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  HSC66473  Camissonia cardiophylla Christopher Davidson, Josephine Jones 1980-4-4 9937 Riverside W end of Orocopia Mtns., canyon and wash almost due S of Oro Peak Comment
  RSA651862  Camissonia cardiophylla David B. Dunn 1947-7-12 2982 Riverside Pushawalla Canyon, Indio Hills. Comment
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May 24 2012
  RSA717449  Camissonia cardiophylla Scott D. White, Pam DeVries 2006-3-14 11261 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  POM126823  Camissonia cardiophylla subsp. cardiophylla E. E. Schellenger 5 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  UCR245955  Camissonia claviformis Duncan S. Bell 2009-3-7 27 Riverside Arica Mountains, ridgeline of range just north of the summit along the border of the Palen/McCoy Wilderness Area 614 Comment
  RSA135288  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11470 Riverside Desert Canyon bottom on road to Cottonwood Springs 4.5 miles north of State Highway 195. Comment
  RSA278986  Camissonia claviformis subsp. aurantiaca Barry A. Prigge, L. Martinez 1978-3-23 2435 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 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
  POM157885  Camissonia intermedia P. A. Munz 1927-5-20 10797 Riverside Mud flat, Murrieta Hot Springs. Comment
  CSUSB867  Camissonia micrantha Kirby W. Brown 1966-3-10 Riverside Highway 111, 8.4 miles northwest of Palm Springs 304 Comment
  UCR121666  Camissonia micrantha A. C. Sanders, T. B. Salvato 2000-5-8 23383 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus 396 Comment
  JOTR28815  Camissonia pallida subsp. pallida La Doux, Tasha 2005-3-1 1083 Riverside Joshua Tree National Park. Sand Hills Comment
  RSA3773  Camissonia pallida subsp. pallida L. R. Abrams 1926-3-27 s.n. Riverside Cabazon. Comment
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Mar 13 2011
  RSA691087  Camissonia pallida subsp. pallida Scott D. White 2001-4-18 8356 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  RSA777628  Camissonia refracta Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi S. Fraga 2011-3-17 765 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  UCR51969  Camissonia refracta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2160 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  UCR90326  Camissonia refracta 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
  RSA741072  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-6-5 12080 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  JEPS29320  Camissoniopsis ignota Rimo Bacigalupi and L. Heckard 1962-3-26 8416 Riverside along state hwy 74 about 3 mi n Elsinore (rolling flats at lower end of arroyo drainge); drainage of Arroyo del Toro Comment
  UC69873  Camissoniopsis ignota Mrs. C. M. Wilder 1905-4-20 87 Riverside near Riverside; Jurupa Hills, Wilder's Canyon Comment
  UCSB4448  Camissoniopsis pallida subsp. pallida Long, Frances 1939-12-31 Riverside Indio Comment
  UCR24810  Carex alma George K. Helmkamp 1981-8-23 s.n. Riverside San Jacinto Mountains, north side of the mountains at Snow Creek near Snow Creek Village, c. 200 yards upstream from the old stone house. 393 Comment
  UCR26907  Carex athrostachya A. C. Sanders 1980-7-18 1682 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  UCR110982  Carex fracta George K. Helmkamp 1998-6-27 4123 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  RSA608475  Carex heteroneura var. heteroneura L. C. Wheeler 1961-6-20 7896 Riverside West fork of Tahquitz Creek. 2378 Comment
  RSA0011149  Carya illinoinensis A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37151 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  UCD110245  Carya illinoinensis A. C. Sanders; T. B. Salvato 2003-5-21 26778 Riverside Temescal Valley: Lawson Drive near Glen Ivy, in a wetland reserve area for the Trilogy development. 335 Comment
  RSA783582  Castela emoryi M. Wall, Valentin Arvizu 2011-6-1 604 Riverside North of Desert Center, plants near a power line maintenance road just east of Kaiser Rd. and ca. 5.2 miles north of junction with Rice Rd. (Hwy 177) 197 Comment
  UCR21985  Castilleja exserta Steve Boyd 1980-4-8 115 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR49232  Castilleja exserta Steve Boyd 1986-4-2 1612 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SD10676  Castilleja exserta subsp. exserta Mrs. D. R. Wolf 1932-3-20 30 Riverside Richman Ranch, 2I(c) mi. no. of De Luz 456 Comment
  POM8715  Castilleja foliolosa P. A. Munz 1920-4-11 3813 Riverside Santa Ana River Canyon. 305 Comment
  RSA716390  Castilleja foliolosa Scott D. White, Angelia Carey 2004-4-5 9985 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR193267  Castilleja minor subsp. spiralis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35618 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi WSW of Fleming Ranch, at ephemeral stream crossing of dirt track 1561 Comment
  RSA0010909  Castilleja minor subsp. spiralis Barbara Ertter, J. Strachan 1979-6-26 2974 Riverside Large wash behind Kenworthy Ranger Station, near Route 74 in Hemet Valley, San Jacinto Mountains, San Bernardino National Forest. 762 Comment
  CAS-BOT-BC41018  Caulanthus flavescens K. Watkins; L. Erickson 1937-4-10 s.n. Riverside Palms to Pines highway near road to Shumay. Comment
  RSA336059  Caulanthus hallii R. F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52071 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  HSC6671  Caulanthus heterophyllus C. L. Hitchcock 1966-3-16 24179 Riverside 0.25 mi. W of Aguanga Comment
  UCR121686  Caulanthus heterophyllus D. E. Bramlet 1991-5-7 2116 Riverside North Domenigoni Hills, Knoll '2184,' north of Newport Road and east of the MWD canal; just south of a water tank 666 Comment
  UCR136315  Caulanthus heterophyllus Virginia Moran 2003-3-26 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCR5980  Caulanthus heterophyllus David M. Peterson 1966-2-24 660224- 7 Riverside 50 feet NE of the SE corner of the botanical garden fence, Univ. of Calif. Riverside 457 Comment
  UCR62238  Caulanthus heterophyllus R. Montijo 1990-4-27 s.n. Riverside Rancho California Area: east of Santa Rosa Plateau [and of Skinner Reservoir], Green Meadow Road off of de Portola Road 610 Comment
  JOTR34076  Caulanthus lasiophyllus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2971 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA0043377  Caulanthus major John F. Emmel 1996-6-16 1409 Riverside San Jacinto Mts.; Spitler Peak Trail, 0.0-0.1 air mile south and 0.4-0.5 air mile east of Cartridge Spring. 1767 Comment
  SBBG101779  Caulanthus simulans S. Boyd with T. Ross, M. Hammitt 1991-5-2 6023 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
  RSA0028171  Ceanothus John F. Emmel 1988-4-27 1087 Riverside 0.2 road mile NE of Bautista Canyon road on road to Rouse Ridge, just SE of Cottonwood Canyon. 1183 Comment
  RSA585624  Ceanothus crassifolius D. L. Banks, S. D. Boyd 1995-3-15 59 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 680 Comment
  RSA680633  Ceanothus crassifolius Scott D. White 2001-3-27 8176 Riverside Badlands: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  UC1071022  Ceanothus crassifolius A. Lewis 1934-5-1 444 Riverside Ortega Hwy Elsinore quad, Cleveland Nat. For. 762 Comment
  UCR59684  Ceanothus crassifolius Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2972 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  RSA655601  Ceanothus cuneatus Mitch Provance 2000-4-8 2214 Riverside Jurupa Mountains: Bloomington/Crestmore, ca. 100 yards NE of the corner of Cedar Ave. and El Rivino Rd., and along the W side of the El Rivino Country Club. 293 Comment
  RSA0031880  Ceanothus divaricatus var. eglandulosus Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA770432  Ceanothus greggii var. perplexans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4889 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
  UC489159  Ceanothus integerrimus C. V. Meyer June 1927 178 Riverside San Jacinto Mountains 1828 Comment
  UCR59767  Ceanothus leucodermis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3082 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  CAS-BOT-BC63467  Ceanothus palmeri Carl B. Wolf 1941-8-12 11142 Riverside San Jacinto Mts. 3.5 mi. nw. Idylwild on Dark Canyon Rd. 1645 Comment
  SDSU13922  Ceanothus tomentosus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2154 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  UCR274198  Centaurea melitensis T. B. Salvato, Melissa Clemons 2005-6-6 1417 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
  UC68711  Centaurium calycosum H. M. Hall 1905-4-30 5915 Riverside near Colorado River; Colorado Desert, Paloverde 76 Comment
  UCR178140  Centaurium venustum Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 648 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR193980  Centaurium venustum A. C. Sanders 2008-7-25 35898 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  RSA707579  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  CSUSB1617  Cercidium floridum Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  RSA303507  Cercidium floridum J. R. Shevock 1971-5-8 1027 Riverside Box Canyon near Mecca 98 Comment
  UC1073270  Cercidium floridum subsp. floridum George B. Rossbach 1955-4-23 314 Riverside near Shaver's Well (along Route 195 e of Mecca); Box Canyon Wash 304 Comment
  CLARK-A1528-807  Cercocarpus betuloides R. Stoltz 1969-4-12 21 Riverside Badlands 731 Comment
  RSA453311  Cercocarpus betuloides Ora M. Clark 1929-4-6 1954 Riverside South of Hemet. Comment
  RSA495438  Cercocarpus minutiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2965 Riverside Vail Lake area, lower slopes of Oak Mountain 1.5 mi WSW of lake. 488 Comment
  UCR154449  Chaenactis artemisiifolia A. C. Sanders, Mike Misenhelter 2005-6-15 30960 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
  UCR158500  Chaenactis artemisiifolia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30037 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
  JEPS5010  Chaenactis carphoclinia var. carphoclinia Rimo Bacigalupi and L. R. Heckard 1953-5-5 4071 Riverside along Morongo Creek Morongo Creek (between Morongo Valley and Coachella Valley) 685 Comment
  RSA703747  Chaenactis carphoclinia var. carphoclinia LeRoy Gross 2005-3-3 1571 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  CAS-BOT-BC276908  Chaenactis fremontii Carl B. Wolf 1937-5-4 8526 Riverside Colorado Desert. Little San Bernardino Mountains. Morongo Wash, 1 mile below San Bernardino County line 609 Comment
  CAS-BOT-BC276917  Chaenactis fremontii Geo. B. Grant 1906-4-20 6708 Riverside Palm Springs Comment
  JEPS23578  Chaenactis fremontii P. H. Raven 1958-3-16 11861 A Riverside Smoketree Wash; Joshua Tree National Monument Comment
  JEPS8881  Chaenactis fremontii I. W. Clokey and B. C. Templeton 1930-4-9 4699 Riverside n of Palm Springs; Colorado Desert Comment
  JEPS9002  Chaenactis fremontii Dr. L. M. Newlon 1922-1-1 424 Riverside 6 mi w of Indian Wells Comment
  RSA749944  Chaenactis fremontii Justin M. Wood 2009-3-26 411 Riverside Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  RSA79179  Chaenactis fremontii Philip A. Munz, Percy C. Everett 1952-5-2 16236 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UC1287049  Chaenactis fremontii C. L. Hitchcock 1966-3-16 24208 Riverside 4 mi s of Palm Desert (along Palms to Pines Hiway) 609 Comment
  UC64805  Chaenactis fremontii E. E. Schellenger 1904-4-10 76 Riverside bet. Whitewater and Banning; Colorado Desert Comment
  UCR132502  Chaenactis fremontii Chet McGaugh 2004-2-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, northern Palm Springs, near the Whitewater River channel, NW corner of Sunrise Way and San Rafael 171 Comment
  UCR263485  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41452 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR90308  Chaenactis fremontii F. M. Reed 1922-5-18 4780 Riverside Sonoran (Colorado) Desert, western edge near Whitewater Station, wash north of Snow Creek Canyon 335 Comment
  SEINET7063219  Chaenactis glabriuscula A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UC1951107  Chaenactis glabriuscula Scott D. White, Justin Wood 2009-5-22 12910 Riverside SAN JACINTO MOUNTAINS: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. USGS Blackburn Canyon 7.5' Quad. Comment
  UCR155057  Chaenactis glabriuscula Jason L. Hlebakos 2005-5-30 815 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
  UCSB41266  Chaenactis glabriuscula Cowan, Clark 1978-4-23 Riverside 2.7 mi. (4.3 km.) S on Hwy. 74 from its jct. w/ Hwy. 11 at Indian Wells 210 Comment
  CAS-BOT-BC277412  Chaenactis glabriuscula var. glabriuscula Scott D. White 1996-4-14 3898 Riverside Perris Basin. 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
  RSA396471  Chaenactis glabriuscula var. glabriuscula Walter Wisura 1987-5-21 4152 Riverside 5.3 miles fr Hwy 243 along old Idyllwild rd. Comment
  UCR108882  Chaenactis glabriuscula var. glabriuscula Heidi A. Haid 1968-5-8 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR122543  Chaenactis glabriuscula var. glabriuscula George K. Helmkamp, E. A. Helmkamp 2001-5-20 6673 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  SBBG65591  Chaenactis parishii V. Duran 1933-7-1 3492 Riverside near Santa Rosa 1828 Comment
  RSA27703  Chamaesyce albomarginata C. L. Hitchcock 1940-4-2 5925 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  SBBG45530  Chamaesyce albomarginata Leota Davidson 1965-5-14 153 a Riverside Joshua Tree Nat Monument Comment
  SEINET4207484  Chamaesyce micromera Duncan S. Bell 2011-10-22 3000 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.; 0 437 Comment
  RSA784953  Chamaesyce ocellata subsp. arenicola Duncan S. Bell 2012-2-12 3111 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA778396  Chamaesyce polycarpa Amber Swanson 2011-10-9 655 Riverside Western Big Maria Mtns on flat near mine 264 Comment
  POM184752  Chamaesyce polycarpa var. hirtella C. L. Hitchcock 1932-4-7 12213 Riverside 5 miles S of Cottonwood Springs, East Riverside County. Comment
  RSA544310  Chamaesyce serpens Steve Boyd 1991-7-13 6416 Riverside Peninsular Range Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road. Comment
  UCR246388  Chamaesyce setiloba Duncan S. Bell, Aaron Sedgwick 2012-9-13 4201 Riverside Sonoran (Colorado) Desert, Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, c. 5 air mi northeast of the junction of Box Canyon Road and the Coachella Canal or c. 1.25 air mi southwest of Shavers Well 240 Comment
  UC20107  Chamerion angustifolium subsp. circumvagum H. M. Hall 1899-7-22 723 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  POM6793  Cheilanthes clevelandii Anonymous 1886-5-31 s.n. Riverside Banning Comment
  RSA320393  Cheilanthes clevelandii B. Busenberg, Walter Wisura 1984-10-19 4025 Riverside Ca. 4 mi fr. I 10 at Banning, along road to Idyllwild Comment
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Dec 4 2014
  RSA0104417  Cheilanthes covillei Duncan S. Bell 2015-2-6 7736 Riverside Santa Rosa Mountains; along Cactus Spring Trail, where the trail crosses Horsethief Creek. 1054 Comment
  RSA774115  Cheilanthes covillei Duncan S. Bell, Colleen Wheeler 2010-7-19 1626 Riverside San Bernardino National Forest: Garner Valley, trail to Tool Box Spring, approximately 3.1 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1440 Comment
  UC42441  Cheilanthes covillei Mrs. Gregory 1891-1 Riverside San Jacinto Mts Comment
  RSA690939  Cheilanthes newberryi Scott D. White, Michael Honer 2003-5-27 9397 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak e2349.' 396 Comment
  UCR12627  Cheilanthes newberryi I. G. Rauch 1968-3-6 s.n. Riverside Box Springs Mountains 488 Comment
  UCR97754  Cheilanthes newberryi A. C. Sanders 1997-3-1 19729 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
  CAS-BOT-BC70326  Cheilanthes parryi Marcus E. Jones 1925-12-21 s.n. Riverside Andreas Canyon Comment
  CAS-BOT-BC70333  Cheilanthes parryi Edmund C. Jaeger 1922-3-18 s.n. Riverside Eagle Canyon, 4 miles east of Palm Springs Comment
  CAS-BOT-BC70334  Cheilanthes parryi Ira L. Wiggins 1938-3-25 8924 Riverside Eagle Canyon, 3-5 miles south of Palm Springs Comment
  RSA336041  Cheilanthes parryi R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52022 Riverside Chino Canyon Comment
  UC1495274  Cheilanthes parryi Robert T. Clausen and Harold Trapido 1940-6-18 4676 Riverside mouth of Chino Canyon Comment
  UCR153432  Cheilanthes parryi L. C. Wheeler 1964-10-17 8638 Riverside Sonoran Desert, North side of Orocopia Mountains, south of Hayfield Reservoir 457 Comment
  UCR218474  Cheilanthes parryi Jim Andre, T. La Doux 2009-3-10 11252 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
  UCR245235  Cheilanthes parryi Jim Andre 2012-3-19 21325 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  CAS-BOT-BC168091  Chenopodium A. C. Sanders 2001-11-25 24888 Riverside Moreno Valley, Hope Depot at Pigeon Pass Rd. on north side of Hwy 60 503 Comment
  UCR280934  Chenopodium album Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617- 04 Riverside Temescal Valley, Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 378 Comment
  RSA552707  Chenopodium ambrosioides Steve Boyd, Timothy S. Ross 1992-2-21 6663 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  UCR265479  Chenopodium berlandieri Jordan Zylstra 2014-8-17 14021 Riverside San Jacinto Mountains, Fobes Canyon wash, adjacent to Fobes Ranch Road 1483 Comment
  UCR18790  Chenopodium botrys John C. Roos 1952-6-10 5756 Riverside Santa Ana River in Riverside 259 Comment
  UCR20856  Chenopodium incognitum A. C. Sanders 1978-8-25 0282 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  POM319737  Chenopodium macrospermum var. farinosum Patricia Wilder 1970-10-15 4760 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
  UCR113596  Chenopodium missouriense A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23683 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  RSA747726  Chenopodium murale Scott D. White, Justin M. Wood 2009-3-24 12581 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  UCR5261  Chenopodium pumilio O. F. Clarke 1966-10-12 661012- 16 Riverside Riverside, University of California, Riverside, Botanic Garden 400 Comment
  SD146303  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance and B. Pitzer 2000-9-27 23682 Riverside Santa Ana River Valley; southwest side of Mt. Rubidoux, northwest of the intersection of Tequesquite Ave. and Gregory Road. 231 Comment
  CAS-BOT-BC231769  Chilopsis linearis Geo. B. Grant 1906-4-20 6740 Riverside Palm Springs Comment
  CSUSB733  Chilopsis linearis Lalo Codova 1972-7-25 S. N. Riverside Palm Springs 76 Comment
  RSA455308  Chilopsis linearis George R. Johnstone 1929-11-28 s.n. Riverside 20 miles from Palm Springs 244 Comment
  RSA114358  Chilopsis linearis subsp. arcuata P. C. Everett, E. K. Balls 1956-5-2 21560 Riverside 3.1 mi. n. from jct. with Hwy. 60/70 along rd. to Lost Palms Canyon, sw Eagle Mts. 716 Comment
  RSA455322  Chilopsis linearis subsp. arcuata Miss E. Crow 1928-11-12 47 Riverside Morongo Pass. Colorado desert Comment
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Nov 11 2011
  UC489077  Chimaphila menziesii C. V. Meyer 1928-6-14 451 Riverside San Jacinto Mts., Saunder's Meadow 1676 Comment
  RSA487439  Chloracantha spinosa Don Pendleton 1988-5-17 s.n. Riverside ong canal near Hobson Way. 81 Comment
  CLARK-A1528-4572  Chloris gayana John C. Roos 1965-9-16 Riverside San Jacinto Comment
  SD234238  Chloris virgata R. E. Riefner 2006-9-19 6 447 Riverside Peninsular Range: Temecula Valley, along I-15 Freeway near Temecula Creek (Temecula 7.5' Q) 301 Comment
  UCR130515  Chloris virgata R. E. Riefner Jr. 2003-10-21 03- 459 Riverside Perris-Aguanga Region, Menifee Valley, along Newport Road 1 mile east of Goetz Road intersection 427 Comment
  SD251135  Chlorogalum parviflorum Duncan S. Bell, D. Bernie, K. Broz, K. Clark J. Fournier S. Gaughen, H. Gray, Ed Howland, C. Mack, T. Oberbau, E. Portland N. Robbins P. Roullard K. Stewart N. Uelman 2013-6-7 5041 Riverside Pala Indian Reservation, back behind the water tower on the southern flanks of Tourmaline Queen Mountain. 177 Comment
  UCR75065  Chorizanthe brevicornu A. C. Sanders, E. J. Lawlor 1992-4-4 12116 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA776770  Chorizanthe brevicornu Amber Swanson 2011-4-8 378 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  SBBG1392  Chorizanthe brevicornu var. brevicornu D. Myrick 1964-4-30 836 Riverside Palms to Pines Hwy 74, 8 mi W of Palm Desert 1066 Comment
  UCR59536  Chorizanthe coriacea Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3237 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  SEINET7072851  Chorizanthe fimbriata A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  UCR245669  Chorizanthe fimbriata Elizabeth A. Kempton, Steve Boyd, Valentin Arvizu 2006-6-27 393 Riverside [SW of Vail Lake] east of Woodchuck Road, roadside, near alluvial bench next to Kolb Creek 495 Comment
  CAS-BOT-BC191254  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1785 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Skunk Hollow vernal pool Comment
  SD136790  Chorizanthe fimbriata var. fimbriata Steve Boyd, Tim Ross 1992-6-10 7625 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido, an isolated area due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek and San Mateo Creek 671 Comment
  SDSU13918  Chorizanthe fimbriata var. fimbriata Michael G. Simpson 2000-5-13 2116 Riverside Santa Margarita Ecological Reserve, ca. 100 feet from Northside field station. 366 Comment
  SDSU4926  Chorizanthe fimbriata var. fimbriata H. Wedberg 1962-5-23 933 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
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Jan 24 2013
  POM229024  Chorizanthe fimbriata var. laciniata P. A. Munz 1937-5-31 15116 Riverside Below Anza Tablet at head of Coyote Canyon. 1006 Comment
  UCR170121  Chorizanthe parryi Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 115 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  RSA356652  Chorizanthe polygonoides var. longispina Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47305 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  SD154067  Chorizanthe polygonoides var. longispina Fred Sproul June 1999 Riverside Kern Trust property, north of Clinton Keith Road and south of Bandy Canyon Road Comment
  UCR189567  Chorizanthe polygonoides var. longispina Andrea Salzman 2006-4-13 066 Riverside Peninsular Range, Lake Skinner; c. 500 m west of Warren Rd by equestrian trial Comment
  UCR245440  Chorizanthe polygonoides var. longispina Elizabeth A. Kempton, Eric Paul 2008-4-7 546 Riverside town of Lake Elsinore, Elsinore Peak, just SSW of antennas, near closed road, South Main Divide Road 1090 Comment
  UCR260515  Chorizanthe polygonoides var. longispina T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7997 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  UCR275481  Chorizanthe polygonoides var. longispina T. B. Salvato, Melissa Clemons 2005-6-9 1510 Riverside Peninsular Range, Gavilan Hills, N/S trending bulldozer track 0.83 mile north of the Nichols Road junction with Hwy 15, and c. 3 miles north of Lake Elsinore 488 Comment
  SD134407  Chorizanthe procumbens Craig Reiser 1989-4-19 Riverside Southeast corner of De Portola and Colt Road Comment
  SEINET7063455  Chorizanthe procumbens A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502421mE, 3715161mN. (WGS84/NAD83). 565 Comment
  RSA777391  Chorizanthe rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 793 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  SEINET2026223 Image available Chorizanthe staticoides Scott D. White 2001-4-19 8380 Riverside Perris Basin. Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of I-215. 442 Comment
  UCR27545  Chorizanthe xanti John C. Roos 1948-5-8 3827 Riverside San Bernardino Mtns, Whitewater 579 Comment
  VVC2939  Chorizanthe xanti var. leucotheca Tim Thomas, P. J. MacKay 2010-4-12 5044 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  POM122895  Chrysothamnus paniculatus Marcus E. Jones 1924-12-10 s.n. Riverside Banning Comment
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Mar 13 2011
  CDA37527  Chylismia brevipes M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  UC873882  Chylismia brevipes subsp. brevipes I. W. Clokey 1935-4-17 6773 Riverside mesa Shafer Wells-Cottonwood Springs 25 Comment
  UC1184445  Chylismia brevipes subsp. pallidula Peter H. Raven 1958-3-1 11745 Riverside US Hwy 95 8.6 mi n Blythe Comment
  UCSB12874  Chylismia claviformis Breedlove, Dennis 1962-3-11 Riverside Cat Creek wash; 3 miles southwest of Palm Desert 426 Comment
  SBBG81638  Chylismia claviformis subsp. aurantiaca S. A. Junak 1983-3-23 1632 Riverside E side of Jefferson Rd, opposite entrance to Cahuilla Lake County Park, S of Indio Comment
  UCSB12722  Chylismia claviformis subsp. aurantiaca Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon; near Los Angeles Aqueduct Road; Colorado Desert Comment
  CAS-BOT-BC287960  Cirsium occidentale var. californicum John Thomas Howell 1952-10-24 28862 Riverside San Timeteo Canyon Comment
  RSA85521  Cirsium occidentale var. californicum J. C. Roos 1952-4-27 5586 Riverside San Timoteo Canyon south of Redlands. 427 Comment
  UCR161401  Cirsium occidentale var. californicum A. C. Sanders, Mike Misenhelter 2005-9-20 31673 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
  POM320357  Cirsium scariosum Worthman 1968-5-16 180 Riverside 17.3 miles west of Murrieta 671 Comment
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Jun 16 2013
  RSA438786  Cirsium scariosum Anstruther Davidson 1903-4-1 s.n. Riverside Palm Springs. Comment
  POM123129  Cistanthe monandra Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  POM199346  Cistanthe monandra Joseph A. Ewan 1932-4-8 7036 Riverside Seven Palms near Garnet Comment
  RSA49171  Cistanthe monandra P. A. Munz 1949-4-13 13064 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  SDSU8636  Clarkia dudleyana Wende E. Rehlaender 1983-5-5 120 Riverside Reche Canyon, approx 4.4 mi. from NW end of Reche Canyon Rd., 2.5 mi east of Highgrove and 2.5 mi. south of Loma Linda. Plant on a 100ft. hill, 12-15 yards from the road. Comment
  UCR9216  Clarkia dudleyana D. H. Wilken 1965-6-29 316 Riverside San Jacinto Mtns, One mile north of Poppet Flat along County Route 1 1220 Comment
  RSA525336  Clarkia epilobioides Steve Boyd 1990-4-28 4466 Riverside Vail Lake area, Hwy R3 (Sage rd) at junction with Debby Road. just S of Sage. Comment
  RSA526507  Clarkia epilobioides Steve Boyd, T. S. Ross 1990-5-11 4702 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UCR25763  Clarkia epilobioides John C. Roos 1952-5-7 5618 Riverside Box Springs Mountains above Canyon Crest Heights 503 Comment
  HSC84170  Clarkia purpurea Karin Cleary 1987-5-20 38 Riverside Banning Bench, at the edge of the San Gragonio River Canyon, .8 km S of the end of the paved road on the Banning Bench Rd. 1213 Comment
  POM122448  Clarkia purpurea subsp. quadrivulnera Marcus E. Jones 1926-6-20 s.n. Riverside Near Banning. Comment
  SBBG122773  Clarkia purpurea subsp. quadrivulnera A. Parikh 1990-4-26 158 Riverside S of Crown Valley, E of Rawson Cyn, 0.7 km ESE of intersection of Crown Valley Rd and Rawson Rd 660 Comment
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Apr 29 2011
  SDSU13908  Clarkia purpurea subsp. quadrivulnera Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2133 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  VVC335  Clarkia unguiculata Markell Kohn 1959-4-26 s.n. Riverside Santa Ana River Valley., UCR campus; behind greenhouse 16 next to Eucalyptus. 340 Comment
  RSA523491  Claytonia parviflora subsp. tenuifolia Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-30 3951 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  RSA752814  Clematis ligusticifolia A. C. Sanders, Tim Thomas 2008-8-1 35944 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. 1402 Comment
  RSA747517  Clematis pauciflora Justin M. Wood 2009-3-10 343 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  SBBG114206  Clematis pauciflora C. Bornstein, E. Collins 1992-4-13 Riverside Hwy 74 (Ortega Hwy) near summit 762 Comment
  SDSU12858  Clematis pauciflora Janet M. Knotts with Jill Steinberg 1998-3-11 11 III1998B Riverside Ca. 1/4 mile along foot trail leading southeast from road, approximately 1/4 mile northeast of Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 335 Comment
  UCSB10606  Clematis pauciflora Gill, Robert 1960-3-23 Riverside San Jacinto Mt. Range; Snow Cayon; near end of road 563 Comment
  CLARK-A1656-713  Coldenia plicata Theo Glenn 1979-4-7 Riverside Palm Springs Comment
  NY68263  Collinsia callosa H. M. Hall 07 1899 1267 Riverside San Antonio Mountains. Schwartout Cañon. Rim of Mohave desert. 1981.2 Comment
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Jul 14 2010
  JEPS24218  Collinsia concolor Peter H. Raven 1958-5-18 13004 Riverside Pinyon Flats San Jacinto Mountains (near stream) Comment
  SBBG47467  Collinsia heterophylla N. C. Cooper 1944-6-16 1429 Riverside Pine Cove 1524 Comment
  RSA314161  Collomia grandiflora W. Wisura 1983-6-25 3912 Riverside Pacific Crest Trail betw. Morris Ranch and Fobes Ranch, San Jacinto Mts. Comment
  RSA45543  Colubrina californica J. C. Roos 1949-4-10 4231 Riverside 3.5 mi. SE of Desert Center, Chuckwalla Mountains. 610 Comment
  RSA564037  Colubrina californica A. C. Sanders 1992-4-4 12112 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA331892  Commelina erecta Steve Morgan 1984-7-17 s.n. Riverside University of California, Riverside Botanic Garden. Comment
  OBI38803  Condalia globosa var. pubescens A. C. Sanders, et al 1986-3-1 6042 Riverside Chuckwalla Bench, W side of Chuckwalla Mts, 9 mi S of hwy I-10 on the gasline road, 2 mi airline S of the Model Mine 579 Comment
  RSA463104  Conium maculatum Steve Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with Temecula Creek, near the town of Murrieta. 290 Comment
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May 6 2020
  UCD126138  Convolvulus arvensis Scott D. White 1998-6-28 s.n. Riverside Corona: River Road bridge over the Santa Ana River. 158 Comment
  UCR232357  Convolvulus simulans John F. Green 2008-4-17 0408- 28 Riverside Peninsular Range; Perris-Aguanga Valley, powerline route south of Perris, near McLaughlin Rd. between Murrieta Rd. and Goetz Rd. 448 Comment
  UCR68608  Convolvulus simulans Steve Boyd, D. E. Bramlet 1990-4-29 4471 Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  CAS-BOT-BC285929  Conyza bonariensis F. A. Billings 1924-5-1 s.n. Riverside Santa Ana Wash, near Redlands Comment
  UCR207782  Conyza coulteri O. F. Clarke 2005-9-18 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  JEPS64319  Corallorhiza maculata Carl V. Meyer 1928-6-14 450 Riverside Fern Valley San Jacinto Mts. 1828 Comment
  RSA500132  Cordylanthus rigidus subsp. setiger Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-6-10 3678 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  JEPS24879  Coreopsis bigelovii Peter M. Ray 1949-3-12 1362 b Riverside n side of Coachella Valley (2 mi w of Whitewater) 457 Comment
  RSA757614  Coreopsis bigelovii LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4344 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
  RSA160875  Coreopsis californica Percy C. Everett 1962-4-13 24451 Riverside Temescal Canyon, Hwy 71, 0.5 miles S entrance to Glen Ivy. Comment
  RSA660040  Corethrogyne filaginifolia Douglas A. Springer 1981-2-16 5 Riverside 5.9 miles E of Interstate 15, on Cajalco Rd. and 3.1 miles E of La Sierra Rd. Comment
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Jul 14 2013
  SFV20152  Corethrogyne filaginifolia J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-4 261 .6 Riverside Santa Rosa Mountains Garnet Queen Creek at Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 4.8 miles from Highway 74. 1865 Comment
  UC895240  Corethrogyne filaginifolia I. W. Clokey and E. G. Anderson 1935-8-21 6962 Riverside North Fork San Jacinto River 1500 Comment
  SEINET4565651 Image available Corethrogyne filaginifolia var. brevicula Philip A. Munz 1938-1 15383 Riverside Santa Rosa Mountains; ridge East of Toro Peak 2438 Comment
  POM223247  Cornus nuttallii M. Canby 1936-5-3 s.n. Riverside North Fork of San Jacinto River above Fuller Mill Creek. Comment
  UCR51857  Coronopus didymus Steve Boyd 1987-5-9 2085 Riverside Riverside, J.V. Boyd Residence, 2307 Oak Crest 366 Comment
  UCR90792  Coronopus didymus A. C. Sanders, G. K. Helmkamp 1996-3-17 17975 Riverside Coachella Valley, North Palm Springs (Garnet) I-10 at Indian Ave., north of Garnet Ave. 244 Comment
  SEINET3071829  Coryphantha alversonii Marc A. Baker, Michelle Cloud-Hughes 2011-1 Riverside Comment
  UCR104887  Cotula australis A. C. Sanders 1997-3-19 20015 Riverside Lake Skinner area, Lower Rawson Canyon at 3-way road junction (heron rookery site) c. 1 km NE of the lake 457 Comment
  CAS-BOT-BC427596  Crassula aquatica P. A. Munz 1941-5-18 17069 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 853 Comment
  CAS-BOT-BC427778  Crassula connata John H. Thomas 1959-3-23 7573 B Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks. 609 Comment
  RSA614173  Crassula connata D. L. Banks 1997-2-23 1286 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
  RSA757637  Crassula connata LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4317 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
  UCR138722  Crassula connata Julie A. Greene 1993-4-17 1197 Riverside San Jacinto Valley, San Jacinto Wildlife Area, flat area west of Davis Rd 445 Comment
  UCR183023  Crassula connata Mitch Provance 2001-4-21 2976 D Riverside San Bernardino Valley, Sunnyslope, west side of Sierra Blvd., along sidewalk adjacent to the golf course 335 Comment
  RSA357152A  Crassula solieri R. F. Thorne 1973-5-23 43849 -A Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  CAS-BOT-BC181564  Crossosoma bigelovii Marcus E. Jones 1929-3-9 s.n. Riverside Whitewater, Colorado Desert Comment
  RSA342560  Crossosoma bigelovii R. F. Thorne, W. A. Tilforth 1980-5-28 54202 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  UCD166244  Crossosoma bigelovii Jack Major 1962-4-17 778 -a Riverside Along the west facing wall of Whitewater Canyon, just east of San Gorgonio Pass, north of US HWYs 60 and 70, (modern Interstate 10 in this locality). (Exact location unknown. Coordinates estimated by label maker.) 670 Comment
  CLARK-A1528-2644  Croton californicus Charles S. Papp 1963-6-29 310 Riverside Santa Ana River Comment
  CLARK-A1528-432  Croton californicus John C. Roos 1951-9-25 5297 Riverside Santa Ana River 259 Comment
  LA204874  Croton californicus Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  CLARK-A1656-886  Croton californicus var. mohavensis Jim Cornett 1977-6-25 Riverside Desert Hot Springs Comment
  UCR21143  Croton setiger Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR92255  Crypsis schoenoides Scott D. White, S. Ogg 1994-10-17 2466 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  UCR230192  Cryptantha A. C. Sanders 2011-4-6 38992 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  CLARK-A1045-220  Cryptantha angustifolia George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; dry wash; Lost Horse Mtn. 15'Q Comment
  RSA191745  Cryptantha angustifolia R. F. Thorne 1963-3-29 32410 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA48332  Cryptantha angustifolia E. K. Balls 1949-4-4 12968 Riverside between Durmid and Salton on Highway 111, Colorado Desert. 0 Comment
  SEINET3083658 Image available Cryptantha angustifolia Robert F. Thorne, Drs. Fosberg, Sachet, & Herbst 1983-4-23 55469 Riverside San Bernardino Mts: Side-canyon on W side of Whitewater canyon, ca 3.3 mi N of Whitewater Post Office 594 Comment
  SEINET3350020  Cryptantha angustifolia Stephen Hale 2012-1 4813 Riverside Black Point Mesa, Big Maria Mts., 0.25 mi. W SR 95, 15 Mi. N Blythe. 185 Comment
  UCR100868  Cryptantha angustifolia George K. Helmkamp, E. A. Helmkamp 1998-2-18 2706 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 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
  JEPS22517  Cryptantha barbigera Rimo Bacigalupi with Paul Hutchison 1958-2-19 6193 Riverside 9.4 mi n Blythe (at w base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  RSA339706  Cryptantha barbigera R. F. Thorne, C. W. Tilforth 1980-5-28 54245 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA0078686  Cryptantha barbigera var. fergusoniae Jim M. Andre 2015-3-2 31359 Riverside Along Kolbe Rd (dirt), northwest end of Coachella Valley at foot of Little SnBr Mtns, 0.2 mi. west of intersection between Hwy 62 and Indian Avenue (road to Desert Hot Springs), 2.3 mi. south of San Bernardino county line. 528 Comment
  UCR226912  Cryptantha barbigera var. fergusoniae Jim Andre 2011-2-2 16213 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCR140302  Cryptantha corollata A. C. Sanders 2004-4-9 27455 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  RSA0079522  Cryptantha cycloptera A. C. Sanders, E. J. Lawlor 1992-4-4 12128 Riverside Colorado Desert. McCoy Mountains, within 0.5 mile of McCoy Spring. 244 Comment
  GMDRC2328  Cryptantha decipiens J. Andre, T. La Doux 2006-4-11 8140 Riverside Little San Bernardino Mountains: Joshua Tree National Park: along paved road through Wilson Canyon at Fried Liver Wash. Elev. 2814 ft. 858 Comment
  POM254900  Cryptantha dumetorum P. A. Munz 1940-3-24 15708 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA796504  Cryptantha holoptera J. Andre 2012-3-19 21382 Riverside Palen Mountains; along Palen Pass Road at Palen Pass. 383 Comment
  SEINET12280812  Cryptantha holoptera Unknown 1936-1 12821 Riverside Colorado Desert, N of Palm Springs Comment
  RSA559332  Cryptantha intermedia Steve Boyd, Tim Ross 1992-5-15 7410 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
  RSA594003  Cryptantha intermedia D. L. Banks, Elizabeth Hedge Banks 1996-5-2 935 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
  RSA673554  Cryptantha intermedia Scott D. White, Tasha La Doux 2000-4-20 7679 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA700066  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-25 9107 Riverside Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  SBBG87945  Cryptantha intermedia A. C. Sanders 1986-6-1 6538 Riverside trail toward Spitler Pk from the Turkey Crk camp to Bonita Vista rd 1706 Comment
  UCR158498  Cryptantha intermedia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30040 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
  UCSB5583  Cryptantha intermedia Gunnerson, Robert; G., D. 1953-3-22 Riverside At Devil's Garden Comment
  RSA0075621  Cryptantha intermedia var. johnstonii J. Mark Porter, V. Soza, Gary Wallace 2001-4-2 12337 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  RSA785021  Cryptantha maritima Duncan S. Bell 2012-3-18 3192 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UCR138588  Cryptantha maritima Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1318 Riverside Western Colorado Desert, Mecca Hills: Painted Canyon north of Hwy 195 Comment
  HSC3581  Cryptantha micrantha R. A. Eagle 1963-4-8 8 Riverside San Jacinto Mtns., 3 mi. out of Banning Comment
  JOTR35464  Cryptantha micrantha var. lepida Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 67 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  SDSU14021  Cryptantha micromeres Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2099 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  UCR100438  Cryptantha microstachys B. G. Pitzer 1997-4-11 3118 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
  UCR133048  Cryptantha muricata Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns., Hw 243 at Mountain Center 1378 Comment
  UCR156470  Cryptantha muricata T. B. Salvato, A. C. Sanders 2005-5-17 892 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
  UCR157648  Cryptantha muricata A. C. Sanders 1994-5-29 14574 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  RSA0079249  Cryptantha muricata var. jonesii D. L. Banks, S. D. Boyd 1995-5-3 261 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA781251  Cryptantha nevadensis var. nevadensis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37461 Riverside 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 204 Comment
  UCR216089  Cryptantha pterocarya var. cycloptera Jim Andre, T. La Doux 2009-2-25 10808 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  JOTR33727  Cryptantha pterocarya var. pterocarya La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2728 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  POM254739  Cryptantha racemosa P. A. Munz 1940-3-24 15693 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 Comment
  RSA99143  Cryptantha racemosa Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  UC1178529  Cryptantha simulans Peter Kamb 1948-7-11 1190 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  POM184192  Cucurbita digitata M. French Gilman 1932-10-30 8 Riverside Whitewater. Comment
  RSA394340  Cucurbita palmata L. C. Wheeler 1933-12-1 2286 Riverside 2 miles E Cabazon, San Gorgonio Pass 640 Comment
  LA210098  Cuscuta californica var. papillosa A. M. Johnson; 1933-4-28 4124 Riverside Indian Wells highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  POM122840  Cuscuta ceanothi Marcus E. Jones 1924-4-29 s.n. Riverside Idyllwild. Comment
  RSA192297  Cuscuta ceanothi E. W. Lathrop 1966-9-14 6590 Riverside 3 miles SW of Murrieta. Comment
  RSA0031143  Cylindropuntia chuckwallensis Marc Baker, Michelle Cloud-Hughes 2013-3-20 17720 .2 Riverside 800m south of Smoke Tree Wash, 5.5km north of Cottonwood Spring, 40km NE of Indio. UTM datum in NAD83. Lat-Long datum in WGS84. 940 Comment
  JOTR35523  Cylindropuntia echinocarpa Harding, Mitzi, C. Barrows, K. Callahan, J. Hoines, M. Wheeler 2013-4-12 131 Riverside Joshua Tree National Park. Eagle Mountains; foothills west of Eagle Mountain 1091 Comment
  UC1931672  Cynanchum louiseae A. C. Sanders 1985-9-5 5951 Riverside UC Riverside Botanic Garden Comment
  CDA33349  Cynanchum utahense Mike Lahti 2009-9-21 PDR# 1501826 Riverside Bautista Canyon, east of Hemet. 0 Comment
  UCR232793  Cynodon dactylon John F. Green 2008-4-16 0408- 51 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  RSA500992  Cynodon dactylon Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3111 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  RSA544300  Cynodon dactylon Steve Boyd 1991-7-13 6419 -B Riverside Temescal Canyon, W base of Gavilan Hills, site of old glass factory between Temescal Wash & I-15, just S of Cajalco Road. Comment
  HSC86936  Cyperus eragrostis S. J. Myers 1987-10-27 Riverside 3 mi. W of Temecula, NE portion of Santa Rosa plateau, 3/4 mi. E of Walker Basin Comment
  UCR111756  Cyperus involucratus S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  POM10386  Cyperus laevigatus F. M. Reed 1905-10-29 836 Riverside Chinatown ford on Santa Ana River. [Riverside, crossing of river below the old Chinatown site in lower Arroyo Tequesquite] Comment
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Oct 10 2009
  UCR173889  Cyperus niger Scott D. White, Angelia Carey 2004-9-16 10759 Riverside San Jacinto Mtns foothills, Indian Creek watershed, above confluence with San Jacinto River 579 Comment
  POM48372  Cystopteris fragilis P. A. Munz, I. M. Johnston 1924-7-27 8776 Riverside along stream, Dark Canyon, San Jacinto Mountains. 2072 Comment
  SEINET958537  Dalea mollis Unknown 2005-1 5757 Riverside NE riverside Co., Rice Vallet, SE of Danby Dry Lake, S. of Highway 62, along Midland (Blythe-Rice) Road, S. of rail road crossing. 234 Comment
  RSA498347  Dalea mollis Albert J. Perkins 1914-05 s.n Riverside Riverside vicinity Comment
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Sep 3 2011
  UC1176848  Dalea mollissima Lewis S. Rose 1959-1-10 59007 Riverside La Quinta 15 Comment
  UC863725  Dalea mollissima C. L. Hitchcock 5846 Riverside ca. 12 mi. e. Indio Comment
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Oct 16 2011
  UCR167410  Dalea mollissima 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
  JOTR00878  Dalea mollissima Sipe, Frank 1958-3-10 235 Riverside Joshua Tree National Park. PINTO BASIN Comment
  RSA727004  Dasyochloa pulchella Naomi Fraga, Lisa Rojas 2005-2-10 1407 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UCD65756  Dasyochloa pulchella A. A. Beetle 1942-4-23 3186 Riverside Rt. 95, 9 miles north of Blythe. Comment
  JOTR34378  Datura wrightii Andre, Jim 2012-4-16 20898 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  SDSU13537  Datura wrightii W. Miller 1972-8-9 Riverside Comment
  RSA619540  Daucus pusillus D. L. Banks 1997-5-5 1989 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR104945  Daucus pusillus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20684 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek 915 Comment
  UCR230216  Daucus pusillus A. C. Sanders 2011-4-6 38982 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR260562  Daucus pusillus T. B. Salvato 2015-4-2 8106 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  UCR3432  Daucus pusillus John Minnich 1964-5-3 64-05-03# 3 Riverside Box Springs Mtns, Riverside, Box Springs Mtns, Two Trees Cyn at end of Two Trees Rd. 367 Comment
  UC1929933  Deinandra fasciculata Scott D. White, Michael Honer 2003-5-27 9403 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. Lake Elsiniore & adj. Alberhill 7.5' Quad. Comment
  SD178130  Deinandra kelloggii A. C. Sanders 2004-5-12 27888 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. At edge of riparian zone and on dry hill slopes. 377 Comment
  RSA192353  Delphinium cardinale H. A. Zuill 1966-6-16 221 Riverside Road to Fisherman's Camp in Tenaja Canyon about 12 miles SW of Murrieta. Comment
  CLARK-A1528-3860  Delphinium parishii subsp. parishii John C. Roos 1947-5-10 3612 Riverside Reche Canyon Comment
  JEPS5765  Delphinium parishii subsp. parishii D. A. Johansen and J. A. Ewan 1932-4-10 7094 Riverside mouth of canyon above Palm Springs; western Colorado Desert, Tahquitz Canyon Comment
  UC1018174  Delphinium parishii subsp. parishii H. Lewis and M. Lewis 1946-4-21 566 Riverside mouth Tauquitz Canyon Comment
  UCSB2018  Delphinium parishii subsp. parishii Hawkins, L. 1956-4-14 Riverside on high side above White Water Canyon Comment
  RSA0018984  Delphinium parishii subsp. parishii Mary F. Spencer 1920-3-27 1475 Riverside Near Palm Springs. Colorado Desert. 152 Comment
  UCR281267  Delphinium parryi Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 41 Riverside Perris-Aguanga Basin, Menifee, S side of Bundy Canyon Rd., E side of Loerch Ln., 0.2 miles W of Murrieta Rd. 518 Comment
  RSA586328  Delphinium parryi subsp. parryi D. L. Banks, S. D. Boyd 1995-5-3 193 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA0069759  Delphinium parryi subsp. parryi Debra Nelson, James Hughes 2015-5-29 s.n. Riverside San Jacinto Ranger District. San Bernardino National Forest. Near Cahuilla Mountain. Comment
  UC219264  Dendromecon rigida P. A. Munz and I. M. Johnston 1922-5-19 5406 Riverside canyon bed near mouth of Strawberry Creek; San Jacinto Canyon 762 Comment
  UC1951134  Deschampsia danthonioides Scott D. White, Justin Wood 2009-5-21 12855 Riverside SAN JACINTO MOUNTAINS: Garner Valley, near abandoned duck ponds, S of Quinn Flat. USGS Idyllwild 7.5' Quad. Comment
  UCR265010  Descurainia sophia Mitch Provance 2013-4-8 413- 08 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA709071  Dicentra chrysantha T. B. Salvato, John Green 2004-5-27 704 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  SEINET3208887  Dicentra chrysantha G. Goodwin 2012-6-14 3442 Riverside San Jacinto Mountains, 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  CAS-BOT-BC254516  Dichanthelium acuminatum subsp. acuminatum H. M. Hall 1901-6-1 2244 Riverside San Jacinto Mountains. North Fork 914 Comment
  JOTR37060  Dichelostemma capitatum subsp. capitatum La Doux, Tasha, M. Harding, J. Heintz, D. Thomas 2015-4-23 3546 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north of Eureka Peak road; along northward corridor with California Riding and Hiking Trail, sandy wash bottom with steep granite rocky slopes Comment
  POM1676  Dichelostemma capitatum subsp. pauciflorum I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Colorado Desert. Comment
  OBI26028  Dicoria canescens David J. Keil 1977-1-2 11935 Riverside W of Blythe along I-10 Comment
  UC76971  Digitaria sanguinalis F. M. Reed 1904-8-23 644 Riverside Riverside Comment
  CAS-BOT-BC153089  Diplacus fremontii Steve Boyd 1986-4-22 1751 Riverside Temescal Canyon: benches of Indian wash just south of Interstate 15 Comment
  CAS-BOT-BC150678  Diplacus longiflorus Carl B. Wolf 1931-5-11 1960 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  CAS-BOT-BC195676  Distichlis spicata H. S. Yates 1937-6-27 20940 Riverside Near Relief Hot Springs Comment
  UCR49400  Distichlis spicata Theo Glenn 1984-9-30 s.n. Riverside Sonoran (Colorado) Desert, N end of the Salton Sea, along a canal at the Whitewater River delta -67 Comment
  POM122228  Ditaxis lanceolata Theodore Labochere 1915-04 204 Riverside Borders on the Colorado Desert along the easterly base of San Jacinto Mountain, not far from Palm Springs; near the mouth of Chino Canyon. Comment
  RSA682077  Ditaxis lanceolata Scott D. White, Michael Honer 2003-4-30 9133 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  RSA676115  Ditaxis neomexicana Scott D. White 2001-5-4 8447 Riverside Eastern Coachella Valley, adjacent to I-10 Freeway, a few miles east of Indio. 61 Comment
  UCR41751  Ditaxis neomexicana A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6046 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, west side of the Chuckwalla Mtns., 6 mi. south of Hwy I-10 on gasline road; 1/2 mi. NW of Model Mine 520 Comment
  CAS-BOT-BC43648  Dithyrea californica Lewis S. Rose 1936-12-29 36842 Riverside La Quinta, Colorado Desert. 0 Comment
  CDA24811  Dithyrea californica M. S. Wasbauer 1960-3-26 Riverside Palm Springs. 0 Comment
  CLARK-A1528-5015  Dithyrea californica John C. Roos 1937-4-18 1367 Riverside Comment
  RSA342000  Dithyrea californica R. F. Thorne 1980-4-16 54116 Riverside Along Whitewater River, E of bridge and levee Comment
  UC1595800  Dithyrea californica W. Wisura, J. Dolan, and M. Wall 1992-3-25 4652 Riverside 2.7 mi s prison on Wileys Well Rd. Comment
  CAS-BOT-BC41902  Dithyrea maritima Geo. B. Grant 1906-5-2 s.n. Riverside Collected on Colorado desert at Palm Springs. Comment
  UCR23259  Dodecatheon clevelandii John C. Roos 1958-4-3 s.n. Riverside Plateau in Reche Canyon Comment
  CAS-BOT-BC129968  Dodecatheon redolens Edmund C. Jaeger 1921-7-13 95 Riverside Deer Springs Meadow, San Jacinto Mts. 2712 Comment
  UCR60627  Downingia bella R. F. Thorne 1973-5-23 43845 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  SBBG2481  Draba cuneifolia H. and M. Dearing 1942-1-15 4785 Riverside Cathedral City near Palm Springs 137 Comment
  CAS-BOT-BC41680  Draba cuneifolia var. integrifolia Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4120 Riverside Vail Lake area, upper benches and adjacent slopes of the east flank of Big Oak Mountain. Just south of the east summit 701 Comment
  POM47685  Draba cuneifolia var. integrifolia Mary F. Spencer 1920-3-18 1477 Riverside Near Palm Springs 152 Comment
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Nov 19 2011
  RSA85799  Drymocallis glandulosa E. C. Jaeger 1924-6-29 5446 Riverside Tahquitz Valley. 2134 Comment
  RSA397786  Dudleya lanceolata Christopher Davidson 1977-5-25 5658 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  SD68965  Dudleya lanceolata Robert F. Thorne, P. A. Munz and E. Lathrop 1968-5-8 37591 Riverside Santa Rosa Plateau: among boulders on dry slope at south end of dam and east end of vernal marsh on Mesa de Colorado, Rancho California. 669 Comment
  UCR25804  Dudleya saxosa John C. Roos 1937-4-18 1284 Riverside San Gorgonio Pass, Near Cabazon Comment
  RSA6657  Dudleya saxosa subsp. aloides B. D. Stark 1933-4-2 s.n. Riverside 3 miles below Pinyon Flats, San Jacinto Mts. (Palms to Pines Road). 1066 Comment
  SD119401  Dudleya saxosa subsp. aloides Reid Moran 1960-8-10 8366 Riverside San Jacinto Mountains; near Alvin Meadow. 1525 Comment
  UCR237696  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4738 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 600 Comment
  SEINET10478675  Echinocactus polycephalus Billy Joe Cox 1976-1-7 Cox 4228 Riverside Palo verde, 1-3 km w, creosote desert scrub, sandy and gravelly entisols. 70 Comment
  SEINET8060326 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 16 Riverside Zzyzx Road south off Route 15 on SE facing rocky slope overlooking west shore of Soda Lake. 400 Comment
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Jun 4 2016
  HSC25837  Echinocereus engelmannii R. W. Spjut 1972-3-30 2345 Riverside On rocky slopes just SW of Coahulla Indian Reservation, ca. 2 mi. E on Hwy. 71 from Jct. with Hwy. 79, near San Diego Co. line. 1220 Comment
  UCR17541  Echinodorus berteroi John C. Roos 1952-5-28 5727 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  UCR119433  Eclipta prostrata A. C. Sanders, Mitch Provance 1999-9-26 23091 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCR243742  Elaeagnus angustifolia G. F. Pratt 2013-8-2 s.n. Riverside Peninsular Range, 6.8 miles SE (162 deg. ) of Anza/Hwy 371 at Contreras Rd., near intersection of Terwilliger Rd. and Nickerson Rd. 1266 Comment
  RSA198948  Elatine californica R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37452 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  UC1754  Eleocharis acicularis H. M. Hall Jul 1 1901-Aug 1 1901 2495 Riverside Lake Surprise San Jacinto Mountains (shores) 2499 Comment
  UCR109647  Eleocharis macrostachya T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  RSA356757  Eleocharis palustris Robert F. Thorne 1973-5-23 45536 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  SBBG101684  Eleocharis palustris S. Boyd, T. Ross, D. Zippin, T. Coerbauer 1991-6-14 6333 Riverside Skunk Hollow area, 2 mi E of Murrieta Hot Springs just W of Second San Diego Aqueduct Comment
  CAS-BOT-BC113298  Eleocharis parishii Samuel B. Parish 1907-4-22 6144 Riverside Western edge of the Colorado desert, Palm Canyon. 200 Comment
  RSA708179  Eleocharis parishii Scott D. White, Angelia Carey 2004-5-7 10323 Riverside Indian Creek and adjacent foothills. 549 Comment
  UCR123661  Eleusine indica A. C. Sanders 2001-9-23 24877 Riverside San Bernardino Valley region, Riverside, Castle Park in La Sierra, 91 Fwy at Polk St. 220 Comment
  UCR35300  Elymus elymoides L. B. Ziegler 1968-5-21 295 Riverside San Jacinto Mtns., Hemet Valley (=Garner Valley) 1418 Comment
  RSA701650  Elymus elymoides subsp. elymoides Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  POM10397  Emmenanthe penduliflora E. A. Zumbro 1905-05 s.n. Riverside Rubidoux Hill, Riverside. Comment
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May 22 2011
  UC1929975  Emmenanthe penduliflora Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10461 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCSB16206  Emmenanthe penduliflora Gerhart, Janet 1963-5-5 Riverside 5.0 miles east of Pinon Flats Campground on State Highway 74 975 Comment
  JOTR34048  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2948 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  VVC2901  Emmenanthe penduliflora var. penduliflora Tim Thomas, P. J. MacKay 2010-4-12 5032 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA3224  Encelia actoni B. D. Stark 1930-3-18 s.n. Riverside 5 miles E of San Jacinto. 610 Comment
  RSA623984  Encelia actoni Arthur R. Kruckeberg 1939-4-11 140 Riverside Desert side of Santa Rosa Mts. Comment
  UCR120204  Encelia californica Mitch Provance 1998-3-5 196 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  CAS-BOT-BC131330  Encelia farinosa Ivan Johnston 1917-4-4 1112 Riverside Near Palm Springs 152 Comment
  CAS-BOT-BC131340  Encelia farinosa H. A. Zuill 1966-6-5 190 Riverside 1 mile SW of Murrieta on the Tenaja Grade Comment
  JEPS59916  Encelia farinosa Lewis S. Rose 1967-12-19 67180 Riverside La Quinta 15 Comment
  RSA771033  Encelia farinosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4540 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SBBG52758  Encelia farinosa N. C. Cooper 1944-4-8 1094 Riverside Andreas Cyn 304 Comment
  SD157559  Encelia farinosa Michael L. Wells 1990-4-19 90 19 Riverside Perris, intersection of Nuevo Road and Rimrock Road; southeast facing slope Comment
  SEINET2050575 Image available Encelia farinosa Ed LaRue 1989-4-7 Riverside Woodcrest area: 1/2 mi. NE of the intersection of Van Buren Blvd. & Mockingbird Canyon Road. 366 Comment
  UC1923762  Encelia farinosa John L. Strother 2008-3-10 1368 Riverside ca. 18 km (11 mi) W of Chiriaco Summit, along N frontage of I-10 420 Comment
  UCR20716  Encelia farinosa A. C. Sanders, Steve Boyd 1980-5-2 1439 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR226928  Encelia farinosa Jim Andre 2011-2-2 16210 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  RSA0048487  Encelia farinosa A. Lee Haines 1962-4-17 s.n. Riverside S. entrance to Joshua Tree National Monument, south of Cottonwood Springs. 563 Comment
  SD240854  Encelia farinosa var. phenicodonta Dave Silverman, Mark Bibbo 2010-3-31 7837 Riverside UTM in Supplement. Southern McCoy Mtns, east bajada flank, 1.5 km west of Black Creek Rd, 6.5 km north of I-10, and 6.9 km EME of McCoy Pk. 177 Comment
  NY70191  Ephedra aspera I. W. Clokey 1935-4-17 6514 Riverside Cottonwood Springs Comment
  RSA703486  Ephedra aspera LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1434 -a Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33 deg 37'32N, 115 deg 19'35W: UTM 3721895N, 655238E to 33 deg 36'52N, 115 deg 19'54: UTM 3720669N, 654757E. 480 Comment
  CAS-BOT-BC81537  Ephedra californica Ynez Whilton Winblad 1937-3-18 s.n. Riverside 29 Palms Canyon Comment
  HSC66449  Ephedra californica Christopher Davidson, B. Gustafson 1977-4-7 5575 Riverside Whitewater Canyon Rd., (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62. Near Start of Angeles [actually Pacific] Crest Trail. Hillside, N slope 610 Comment
  LA6774  Ephedra californica Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  RSA339625  Ephedra californica Robert F. Thorne, C. W. Tilforth 1980-5-28 54162 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  RSA383880  Ephedra californica P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Foot of canyon side. Comment
  UCR227829  Ephedra californica R. F. Thorne, M. Z. Thorne 1973-3-30 42689 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  POM310587  Ephedra nevadensis G. Mansfield-Jones 1956-04 s.n. Riverside Joshua Tree National Monument along road to Juniper Flats 1463 Comment
  RSA794236  Ephedra nevadensis J. Andre 2012-3-19 21334 Riverside Chuckwalla Mountains; north end of range at Jaeger Nature Sanctuary, 1.5 miles south of junction Eagle Mountain Road and I-10 freeway. 411 Comment
  CAS-BOT-BC81872  Ephedra trifurca Philip A. Munz 1941-4-5 16693 Riverside sand dunes southeast of Iron Mts. Comment
  CAS-BOT-BC81876  Ephedra trifurca Carl B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  RSA0030700  Ephedra trifurca J. Andre 2013-3-27 24810 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  JOTR00968  Ephedra viridis Cole, James E. 1941-4-10 509 Riverside Joshua Tree National Park. TWIN TANKS 1158 Comment
  RSA797246  Epilobium Robert F. Thorne, Walter Wisura 1977-9-17 50784 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  RSA448508  Epilobium canum subsp. latifolium N. R. Zabriskie, W. M. Zabriskie 1972-10-22 547 Riverside Cactus Spring Trail between Dolomite mine & Horsthief Canyon; N slope Santa Rosa Mountains. (E of site 13). 1098 Comment
  SBBG60199  Epilobium ciliatum subsp. ciliatum M. Lewis 1947-8-26 3 Riverside Dark Cyn 1981 Comment
  SBBG94827  Epilobium densiflorum E. LaRue 1989-7-13 Riverside Santa Rosa Plateau, N side of Tenaja Rd where De Luz Crk crosses rd, NW of Mesa de Colorado Comment
  SEINET13710791  Epipactis gigantea A. Alexis, A. Alexis 1978-1 Riverside Along State Highway 74 Near Sitton Peak Comment
  CAS-BOT-BC56935  Equisetum arvense Street; Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon Comment
  SD232575  Eragrostis lehmanniana Scott D. White 1995-7-7 3451 Riverside City of Riverside, Market St. crossing at Sta Ana Riv. USGS 7.5' Fontana quad. Open sandy wash, mostly flooded & scoured this winter. 344 Comment
  CLARK-A1528-3221  Eremalche exilis John C. Roos 1949-3-19 4115 Riverside Indio Comment
  CHSC1041  Eremalche rotundifolia V. Holt 1935-4-16 Riverside E. Colorado Desert. Comment
  UCR241714  Eremalche rotundifolia Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 42 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UC68568  Eremothera boothii subsp. condensata H. M. Hall 1905-4-24 5888 Riverside Chuckawalla Bench Colorado Desert Comment
  UCSB4375  Eremothera boothii subsp. condensata Koran, John 1958-4-10 Riverside 2.2 miles West on HWY 74 from intersection with HWY 111 Comment
  SD258955  Eremothera refracta Sarah J. De Groot, Rachel Poutasse, Brittany Tardiff 2016-4-6 7772 Riverside Mecca Hills: Side canyon along Painted Canyon road; northeast of Mecca northwest of Box Canyon. 163 Comment
  SD234465  Eriastrum densifolium subsp. austromontanum Mark S. Brunell 1993-7-16 137 Riverside San Jacinto Mtns.: Thomas Mtn. Road, 1.5 km west of Thomas Mtn. Campground, both sides of road (Anza 7.5' Q) 1939 Comment
  UC1051660  Eriastrum densifolium subsp. austromontanum Peter Kamb 1950-7-9 1910 Riverside Banning-Idyllwild Rd just below Vista Grande Ranger Station 1463 Comment
  UC23525  Eriastrum densifolium subsp. austromontanum H. M. Hall July, 1901 2384 Riverside San Jacinto Mountains; s side 1584 Comment
  UCSB14758  Eriastrum densifolium subsp. austromontanum Breedlove, Dennis 1961-8-4 Riverside Riverside Highway 1 at junction with road to Black Mountain Campground; San Jacinto Mountains 1676 Comment
  UC1787332  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-22 102 Riverside Hwy 371, 4.5 km south of Hwy 74, south side of road, in sandy bottom of Hamilton Wash 1267 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
  UCR160849  Eriastrum eremicum Mark S. Brunell, M. Okada 1993-5-29 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs area, SW corner of Hwy 111 and Gene Autry Trail 104 Comment
  UC1094400  Eriastrum eremicum subsp. eremicum John Ingram 1955-4-18 214 Riverside Along US Highway 99, 1/4 mi W of the junction with the road to Twenty-nine Palms. Comment
  CAS-BOT-BC514462  Eriastrum eremicum subsp. eremicum Mr. May 1914-3-1 s.n. Riverside May Comment
  RSA594049  Eriastrum filifolium D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0921 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 m inside the preserve boundary gate, 3 m E of the main road along a open field. 448 Comment
  UC449833  Eriastrum sapphirinum I. J. Condit May 1926 Riverside Rubidoux Comment
  RSA0118097  Eriastrum sapphirinum subsp. brevibracteatum Sarah DeGroot, Kristin Forgrave 2013-6-4 7010 Riverside Off Rouse Hill Road, Forest Route 5S15, ~0.9 miles from Highway 74. In canyon below road. 598 Comment
  RSA0122950  Eriastrum sapphirinum subsp. dasyanthum C. W. Tilforth 1969-7-24 213 Riverside About 5 mi. south of Hemet, east of County Highway R-3. Comment
  UCSB16706  Eriastrum sparsiflorum Dearing, Hugh; Dearing, Margaret 1940-6-9 Riverside East of Hemmet on the Palms to Pines Highway Comment
  RSA736781  Ericameria brachylepis Scott D. White, Angelia Carey 2004-7-2 10558 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SEINET10758419  Ericameria cuneata David B. Dunn 1947-10-9 Dunn 3530 Riverside Joshua Tree National Monument at camp ground area by Hidden Valley. Comment
  CAS-BOT-BC292795  Ericameria cuneata var. cuneata Ralph Hoffmann 1929-9-6 s.n. Riverside Naer Taquitz Pk., San Jacinto Mts. 2590 Comment
  UCR244391  Ericameria linearifolia Jim Andre 2012-4-16 20965 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  UC218156  Ericameria nauseosa var. bernardina P. A. Munz 1922-9-7 6404 Riverside San Jacinto Mts., Tamarack Valley 2865 Comment
  UCR113191  Ericameria palmeri var. pachylepis A. C. Sanders 1997-11-25 21625 Riverside Skinner/Domenigoni region, S of Hemet, Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, east end of south side of Diamond Valley, c. 2/3 of the way from west dam to east dam 503 Comment
  CAS-BOT-BC299534  Ericameria paniculata M. McCollum 1976-6-10 2010 Riverside 8 mi. SSW of Yucca Valley, Little Morongo Canyon 914 Comment
  CAS-BOT-BC299544  Ericameria paniculata P. A. Munz 1946-10-20 11585 Riverside Cottonwood Springs, Joshua Tree National Monument 1066 Comment
  LA37417  Ericameria parishii var. parishii Dave Dunn; Carl Epling 1941-10-4 1368 Riverside SANTA ANA MOUNTAINS, Indian Canyon, just below the Coulter pines and up into them. Comment
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Oct 15 2013
  RSA0098175  Ericameria pinifolia Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8565 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  RSA761278  Erigeron foliosus Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 719 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SEINET192956  Erigeron foliosus Lester Rowntree 1936-5-16 Riverside Pines to Palms Highway. Comment
  CAS-BOT-BC296235  Erigeron foliosus var. foliosus P. C. Everett 1935-6-17 7158 Riverside Coldwater Canyon trail to Santiago Pk. 2 mi. above Glen Ivy Resort, Santa Ana Mts. 609 Comment
  CAS-BOT-BC296245  Erigeron foliosus var. foliosus H. M. Hall 1901-6-1 2147 Riverside Eastern base San Jacinto Mountains, along the borders of the Colorado Desert Comment
  RSA585500  Erigeron foliosus var. foliosus D. L. Banks, Steve Boyd 1995-5-9 0362 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  RSA761998  Erigeron foliosus var. foliosus Patrick Garrett, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 77 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CLARK-A1045-80  Eriodictyon crassifolium George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains Lake Fulmor 7.5'Q Comment
  RSA455016  Eriodictyon crassifolium Gale Sphon 1955-5-21 s.n. Riverside 3 miles south of Banning. Comment
  SEINET271036  Eriodictyon crassifolium Richard J. Shaw 1958-4-6 1103 Riverside Palms to Pines Highway, between Idyllwild junction and Hemet 1067 Comment
  CAS-BOT-BC248638  Eriogonum apiculatum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  RSA0093769  Eriogonum apiculatum Duncan S. Bell 2015-9-30 8686 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  JEPS56685  Eriogonum davidsonii Carl V. Meyer 1928-7-30 577 Riverside Saunders Meadow San Jacinto Mt. Comment
  RSA0103099  Eriogonum davidsonii Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8541 Riverside Santa Rosa Mountains; along the Cactus Spring Trail, just above Horsethief Creek. 1064 Comment
  RSA613853  Eriogonum davidsonii Scott D. White, Julie Greene, Shelton Dowthit 1996-10-13 4623 Riverside San Jacinto Valley: Eastern foothills of valley (= ''Santa Rosa Hills''), S of Hemet. 550 Comment
  JEPS35768  Eriogonum deflexum var. deflexum W. L. Jepson 1927-4-12 11679 Riverside Mecca Hills, Painted Canyon 76 Comment
  RSA0081621  Eriogonum deflexum var. deflexum Jim M. Andre 2012-4-11 20832 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  SEINET11937895  Eriogonum deflexum var. deflexum L. S. Rose 1936-1 36824 Riverside Hayfield, 5 mi W of Desert Center 610 Comment
  UC537241  Eriogonum elongatum var. elongatum M. E. Jones 1933-12-29 Riverside Palm Springs Comment
  UCR235219  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, John F. Green 2012-6-1 40240 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  JEPS56954  Eriogonum fasciculatum var. flavoviride W. L. Jepson 1928-4-25 12592 Riverside sides of wash below Cottonwood Spring; Colorado Desert, Eagle Mts. 731 Comment
  POM294053  Eriogonum fasciculatum var. foliolosum Lyman Benson 1945-11-10 11915 Riverside 5 miles east of Temecula. 457 Comment
  UC849424  Eriogonum fasciculatum var. polifolium I. Johnston 1917-6-5 1240 Riverside hills s Arlington 365 Comment
  UCR162622  Eriogonum gracile S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  CHSC1321  Eriogonum inflatum V. Holt 1935-4-15 Riverside Thousand Palms. Comment
  RSA670613  Eriogonum inflatum Bonnie C. Templeton 1930-3-22 1644 Riverside Palm Springs. 400 Comment
  SBBG132  Eriogonum inflatum var. inflatum R. Hoffmann 1928-10-21 Riverside Whitewater Comment
  CAS-BOT-BC270592  Eriogonum molestum H. M. Hall 1901-7-1 2386 Riverside San Jacinto Mountains 1615 Comment
  UC6360  Eriogonum molestum H. M. Hall July, 1901 2386 Riverside wooded slopes and benches of the s side San Jacinto Mountains San Jacinto Mountains 1615 Comment
  RSA90134  Eriogonum molestum E. K. Balls, Percy C. Everett 1953-8-19 18530 Riverside On Hwy from Banning to Idyllwild, SE from Lake Fullmore. 1677 Comment
  RSA679189  Eriogonum nudum var. pauciflorum Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1455 Riverside East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  JEPS56499  Eriogonum reniforme W. L. Jepson 1928-4-25 12629 Riverside Pinto Basin Mohave Desert, Virginia Dale region, Pinto Basin 822 Comment
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Oct 28 2011
  RSA424915  Eriogonum saxatile Christopher Davidson 1978-6-15 7396 b Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  CAS-BOT-BC263539  Eriogonum thomasii C. L. Hitchcock 1940-3-31 5890 Riverside Between Cottonwood Springs and Pinto Basin Comment
  JOTR38676  Eriogonum thomasii Hodges, Stephen R. 2017-2-2 683 Riverside Joshua Tree National Park. Cottonwood Mountains; at base of southern end, north of park boundary Comment
  POM122085  Eriogonum thomasii Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  RSA27510  Eriogonum thomasii I. L. Wiggins 1941-3-27 s.n. Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA424962  Eriogonum thomasii Robert L. Dressler 1949-3-19 382 Riverside Box Canyon, Orocopia Mts. Comment
  RSA784940  Eriogonum thomasii Duncan S. Bell 2012-2-12 3118 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCSB1534  Eriogonum thomasii Haller, John 1957-3-23 Riverside S. boundary of Joshua Tree Nat Mon; 4 air miles S. of Cottonwood sprs, & 1 mile N. of June with US 60 609 Comment
  UCR207565  Eriogonum thurberi O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  SEINET6894828  Eriogonum thurberi Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  SBBG64089  Eriogonum vimineum P. A. Munz 1927-5-21 10860 Riverside Cahuilla Comment
  RSA420619  Eriogonum wrightii var. membranaceum M. B. Dunkle 1934-11-3 4235 Riverside Ribbonwood. Santa Rosa Mountain. 1524 Comment
  JEPS56121  Eriogonum wrightii var. nodosum Marjorie D. Clary 1932-12-13 771 Riverside 15 mi nw Indio (base of mountains in Deep Canyon); Colorado Desert, Deep Canyon 304 Comment
  UCR146431  Eriogonum wrightii var. nodosum R. F. Thorne 1966-10-15 41793 Riverside Colorado Desert: Western Colorado Desert region/San Jacinto Mountains, Dead Indian Canyon, near Palm Desert at foot of Palms to Pines Hwy 366 Comment
  POM29802  Eriophyllum confertiflorum Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA695582  Eriophyllum confertiflorum Keith E. Hoffmaster 1937-6-6 774 Riverside Palms to Pines road near Keen Camp. PR4. Comment
  UCR230932  Eriophyllum confertiflorum T. B. Salvato, Richard Camacho 2011-6-12 5488 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
  RSA0041966  Eriophyllum confertiflorum Paul Shirokawa 1998-5-15 35 Riverside Cleveland National Forest: Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 807 Comment
  JOTR31116  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2500 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Monzogranite boulder outcrop near base of Quail Mountain, between Lost Horse Valley and Juniper Flats; Edge of old burn area (Stop 1) Comment
  POM358163  Eriophyllum lanosum Anstruther Davidson 1922-4-1 3527 Riverside Palm Springs. Comment
  CLARK-A1528-5321  Eriophyllum multicaule John C. Roos 1940-5-4 882 Riverside Reche Canyon Comment
  HSC5630  Eriophyllum wallacei C. L. Hitchcock, C. V. Muhlick 1964-3-22 23263 Riverside Pinto Basin; Joshua Tree National Monument Comment
  RSA0035938  Eriophyllum wallacei Deidre Conocchioli, Duncan S. Bell 2014-3-4 151 A Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695 Comment
  SDSU4119  Eriophyllum wallacei T. Bruhns 1965-5-23 130 Riverside At 2,000 ft., sign along state highway 74, below Idyllwild. 610 Comment
  UC101059  Eriophyllum wallacei M. F. Gilman 1904-1-1 6 Riverside Banning Comment
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Mar 13 2011
  UC1428710  Eriophyllum wallacei J. L. Strother 1973-3-21 1159 Riverside above Chiriaco Summit; Lost Palms Canyon Comment
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Mar 26 2011
  RSA673541  Erodium botrys Scott D. White, Tasha LaDoux 2000-4-20 7675 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA691980  Erodium botrys Scott D. White, Michael Honer 2003-4-2 8923 Riverside Temescal Valley: Alberhill area. North of the I-15 Freeway, on and near crest of unnamed mountain, 2349. 671 Comment
  UCR167074  Erodium botrys Scott D. White 2005-3-29 10846 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  RSA495825  Erodium brachycarpum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2936 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR97892  Erodium cicutarium A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19845 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA660053  Erodium cicutarium Carol Zuck 1981-2-16 31 Riverside 1 mi east of I-15 on Cajelco Rd. Comment
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Jun 27 2013
  UCR78334  Erodium macrophyllum D. E. Bramlet 1993-4-13 2323 Riverside Approx. 61 m south of the existing Lake Matthews access road, c. 549 m north of Cajalco Road, in the 'Cajalco bend' area, 1.2 km west of Lake Matthews 434 Comment
  POM14911  Erodium texanum Mary F. Spencer 1922-3-28 504 Riverside Mecca ?. -49 Comment
  RSA775970  Erodium texanum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 861 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE. 396 Comment
  UCR164929  Erysimum capitatum T. B. Salvato, John F. Green 2004-5-27 631 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
  RSA0020239  Erythranthe floribunda Steve Boyd 1991-6-8 6330 Riverside Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill N of Hwy 74 Comment
  RSA0020247  Erythranthe floribunda Mary F. Spencer 1921-6-15 1673 Riverside Idyllwild. 1616 Comment
  RSA0015880  Erythranthe moschata M. B. Dunkle 1933-7-21 3727 Riverside Idyllwild. 1616 Comment
  RSA0014889  Erythranthe tilingii P. A. Munz 1922-7-6 5992 Riverside San Jacinto Mountains. Tahquitz Valley. 2195 Comment
  CAS-BOT-BC403362  Eschscholzia californica T. S. Brandegee No date on label s.n. Riverside Ramona Comment
  RSA525280  Eschscholzia californica Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4594 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UCR241214  Eschscholzia californica Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 51 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon near woodland stand H-02 945 Comment
  CAS-BOT-BC83126  Eschscholzia minutiflora John H. Thomas 1957-3-30 6523 Riverside 0.8 mile east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70. 518 Comment
  CAS-BOT-BC83133  Eschscholzia minutiflora Dr. A. Davidson 1893-1-1 s.n. Riverside Colorado Desert. Palm Springs. Comment
  CAS-BOT-BC83134  Eschscholzia minutiflora H. M. Hall 1905-4-1 5901 Riverside Colorado Desert. Chuckawalla Springs. Comment
  RSA0022945  Eschscholzia minutiflora Duncan S. Bell 2010-4-1 647 Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  SD73626  Eschscholzia minutiflora Helen V. Witham 1970-4-29 843 Riverside Along roadside, sandy wash, near Palm Desert. 99 Comment
  SJSU1863  Eschscholzia minutiflora J. W. Tilden 1957-4-18 1094 Riverside near Whitewater E of San Gorgonio Pass Comment
  CHSC26411  Eschscholzia parishii John Collins 1970-5-9 211 Riverside Ca. 10 miles NNE of Indio, 1.5 miles into Berdoo Canyon on Berdoo Cyn. Rd. in Little San Bernardino Mtns. 670 Comment
  UC855198  Eschscholzia parishii I. W. Clokey 1935-4-17 6628 Riverside Cottonwood Springs Comment
  JOTR01022  Eschscholzia parishii Cole, James E. 1941-4-23 637 Riverside Joshua Tree National Park. WEST END OF PINTO BASIN 609 Comment
  RSA682860  Eucrypta chrysanthemifolia var. bipinnatifida Scott D. White 2003-3-23 8832 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  RSA644108  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White 1995-3-30 2640 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr., (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill) 579 Comment
  UC874212  Eulobus californicus I. W. Clokey and B. C. Templeton 1930-4-9 4714 Riverside n Palm Springs; Colorado Desert 180 Comment
  CAS-BOT-BC202785  Euonymus occidentalis var. parishii S. B. Parish; W. F. Parish 1881-7-25 957 Riverside San Jacinto Mt. Comment
  SD233226  Euphorbia abramsiana Catherine MacGregor 2012-9-13 Riverside East of Blythe. Area where sheet-flowing water backed up and ponded next to an unpaved trail. 127 Comment
  UCR101407  Euphorbia albomarginata A. C. Sanders, K. C. Rose 1998-9-29 22239 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  SD144469  Euphorbia eriantha G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2691 Riverside Colorado Desert: Midland Rd, 3.8 mi SE of Midland, Little Maria Mtns. Comment
  JEPS51905  Euphorbia palmeri W. L. Jepson and H. M. Hall 1901-5-19 1302 Riverside Strawberry Valley; Mt. San Jacinto Comment
  RSA432446  Euphorbia palmeri M. B. Dunkle 1933-7-21 3719 Riverside Idyllwild 1616 Comment
  UCR131024  Euphorbia polycarpa Karen Kirtland 1998-11-6 s.n. Riverside Sonoran (Colorado) Desert, sand and gravel mine c. 8 miles (airline) north of Blythe, SW of Big Maria Mtns. on Midland Road 137 Comment
  UCR51361  Euphorbia polycarpa S. J. Myers 1988-2-4 s.n. Riverside Northgate Estates development, immediately NW of Canyon Lake 488 Comment
  RSA118959  Euphorbia polycarpa var. hirtella L. S. Rose 1957-1-4 57012 Riverside La Quinta. 15 Comment
  UCD142740  Euphorbia polycarpa var. hirtella A. H. F. 1928-3-1 s.n. Riverside W. of Colorado Desert; Nr. Palm Springs. Comment
  UCD142865  Euphorbia setiloba G. L. Webster; R. Hildreth 1966-12-10 7467 Riverside Box Canyon, c. 9-10 mi NE of Mecca on Cal. 195. 243 Comment
  UCR23554  Euphorbia setiloba John C. Roos 1958-9-28 s.n. Riverside Santa Rosa Mtns., Pinyon Flats 1220 Comment
  CHSC2042  Fagonia laevis V. Holt 1942-3-28 Riverside Comment
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Feb 16 2013
  JOTR16867  Fagonia laevis Vanderspek & Youse 1964-4-19 64516 Riverside Joshua Tree National Park. WILSON CANYON Comment
  POM259510  Fagonia pachyacantha E. C. Jaeger 1939-12-28 s.n. Riverside Eytel Canon branching from Fargo Canon, 5 mi. east Indio. Comment
  CAS-BOT-BC56785  Ferocactus cylindraceus P. A. Munz; I. M. Johnston 1922-5-7 5295 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UC403448  Ferocactus cylindraceus Munz and Johnston 1992-5-7 5292 Riverside Keyes Ranch Little San Bernardino Mts. Comment
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Sep 4 2010
  UCR2430  Festuca microstachys F. M. Reed 1907-4-4 1270 Riverside City of Riverside. Arroyo Tequesquite Comment
  RSA0120329  Festuca octoflora Duncan S. Bell, Thomas Stoughton 2016-4-14 9289 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  RSA0120622  Festuca octoflora Duncan S. Bell, Thomas Stoughton 2016-3-15 8933 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  UCR85244  Festuca octoflora A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders 1995-3-5 15992 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  RSA776223  Filago californica Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 866 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  UCR158510  Filago californica A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30086 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
  UCR177862  Filago depressa Marisa Sripracha, K. A. Boyd 2004-3-21 044 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UC57357  Forestiera pubescens H. M. Hall Jun 1899 Riverside Gavilan Comment
  CAS-BOT-BC384198  Forestiera pubescens subsp. parvifolia Nancy Ryan Zabriskie; Walter Zabriskie 1970-5-2 290 Riverside About 50' SW of #291 (female). About 1/2 mi. up canyon east of turnout parking area 1/2 mi. up Santa Rosa Mt. Rd. from Hwy. 74. Santa Rosa Mountains 1371 Comment
  NY43292  Fouquieria splendens C. R. Annable 1995-3-11 2269 Riverside Rest stop on I-10 Comment
  JEPS46440  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Pt. Riverside Mts., Colorado River Comment
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Jun 8 2012
  SFV17336  Fouquieria splendens subsp. splendens J. D. Dilley, J. N. Hogue (108.19) 1998-4-23 275 Riverside Sonoran Desert Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UC219319  Fragaria vesca P. A. Munz 1922-6-27 5855 Riverside Santa Rosa; Santa Rosa Mts. 2011 Comment
  UCR18543  Fragaria vesca subsp. californica A. C. Sanders 1978-6-11 583 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UCR201430  Frasera parryi Scott D. White, Justin M. Wood 2008-6-17 12167 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  CAS-BOT-BC130238  Fritillaria biflora Steve Boyd 1986-4-2 1581 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  UCR258635  Funastrum cynanchoides T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7899 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
  POM182212  Funastrum cynanchoides var. hartwegii P. A. Munz 1932-4-24 12397 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  SEINET3081970 Image available Funastrum cynanchoides var. hartwegii B. Pitzer 1986-4-26 185 Riverside San Bernardino Mtns.; Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  SEINET10928351  Funastrum hartwegii Thorne 1980-4-16 THORNE 54111 Riverside San Bernardino Mts., along Whitewater Canyon Road Comment
  CDA3333  Galenia pubescens E. C. Nord 1971-1-29 Riverside Fire Lab, Riverside. 0 Comment
  CLARK-A1528-1351  Galium angustifolium Charles S. Papp 1964-6-6 508 Riverside Cleveland National Forest 853 Comment
  UCR262565  Galium angustifolium T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3756 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  RSA0099989  Galium angustifolium subsp. angustifolium Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8580 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  UCR189558  Galium angustifolium subsp. jacinticum Amy Rowland 2007-6-22 089 Riverside Peninsular Range, San Jacinto Mounains, Cahuilla Mountain Trail, c. 0.5mi north of peak of Cahuilla Mountain 1669 Comment
  UCR3841  Galium angustifolium subsp. jacinticum John Minnich 1964-6-11 64-6-11- 5 Riverside San Jacinto Mtns, Hwy 74, desert side of mountains [Pinyon Flats area] 1220 Comment
  CLARK-A1528-828  Galium aparine Fred B. Essig 1967-5-7 Riverside Box Springs Mountain 457 Comment
  UC1979678  Galium aparine Darin L. Banks, Steve Boyd 1995-3-16 105 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. Comment
  UCR116510  Galium porrigens var. porrigens A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20644 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR90389  Galium porrigens var. porrigens D. L. Banks, Steve Boyd 1995-3-15 0077 Riverside NW Palomar Mtns, Agua Tibia Wilderness Area, N face of Agua Tibia Mtns., Dorland Mtn. area 738 Comment
  RSA601080  Garrya veatchii A. C. Sanders, S. Hawkins, J. Goetzen 1996-5-1 18121 Riverside Morongo Indian Reservation, SE edge of Burro Flats. 1098 Comment
  UC454604  Gayophytum diffusum subsp. parviflorum I. J. Condit 1910-6-21 Riverside Strawberry Valley San Jacinto Mts. 1676 Comment
  UCR248028  Gelsemium sempervirens O. F. Clarke 2010-7-30 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  RSA0018591  Geraea canescens Duncan S. Bell 2013-1-30 4457 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  RSA0107852  Geraea canescens Duncan S. Bell, Amanda Turek 2009-3-30 164 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  RSA651116  Geraea canescens Fred Watkins 1949-2-16 s.n. Riverside Palm Springs. 609 Comment
  RSA790966  Geraea canescens Aaron C. Sedgwick, David Fraker 2012-4-24 4 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  UCSB20929  Geraea canescens Muller, Katherine 1965-4-27 Riverside At edge of Indio Comment
  UCR174525  Geranium A. C. Sanders, T. B. Salvato 2006-5-4 32246 Riverside Riverside, UCR campus, weeds in botanical garden 351 Comment
  SEINET14623536  Gilia achilleifolia subsp. multicaulis H. M. Hall 1903-1 3726 Riverside Vicinity of Riverside Comment
  HSC85272  Gilia angelensis Steve Boyd 1986-4-22 1776 Riverside Gavilan Hills: Plateau remnant on ridge E of Estelle Mtn., S of Dawson Canyon Comment
  SD140031  Gilia angelensis Scott White 1993-4-22 1254 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  SEINET3087629 Image available Gilia angelensis Ed LaRue 1989-3-30 Riverside Rancho Californica area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. Comment
  UCD117600  Gilia angelensis R. N. Raynor 1933-5-2 s.n. Riverside Box Springs Hills. Comment
  UCR183340  Gilia angelensis Mitch Provance 2005-5-27 4602 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  UCR214148  Gilia angelensis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37712 A Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.3 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 405 Comment
  SD140030  Gilia capitata Scott White 1993-4-22 1226 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  POM13004  Gilia capitata subsp. abrotanifolia P. A. Munz, I. M. Johnston 1922-5-19 5434 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  UCR71847  Gilia maculata George K. Helmkamp 1992-4-16 92- 4 Riverside Western Colorado Desert, Coachella Valley, Mission Creek, 0.4 mi. south of Indian Avenue, on old Hwy 62 500 Comment
  UC52864  Gilia ochroleuca subsp. exilis H. M. Hall April, 1902 2912 Riverside vicinity Winchester; vicinity of Winchester 457 Comment
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Mar 20 2011
  UC73634  Gilia ochroleuca subsp. exilis Miss M. A. King 1893-1 Riverside Menifee Comment
  UCD117902  Gilia stellata Robert F. Thorne 1963-3-29 32414 Riverside 9 miles east of Mecca, Mecca Hills. 152 Comment
  UCR88428  Gilia stellata A. C. Sanders, K. C. Rose 1995-4-5 16348 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  CLARK-A1528-221  Gnaphalium californicum R. P. Sunderman 1968-5-1 4 Riverside Riverside 335 Comment
  POM358936  Gnaphalium californicum N. C. Cooper 1944-6-4 1367 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  UCR225728  Gnaphalium californicum A. C. Sanders, T. B. Salvato 2011-3-30 38899 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  RSA614233  Gnaphalium canescens A. C. Sanders 1994-7-28 15192 Riverside [Riverside/San Bernardino County] Colton and Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) Bridge downstream almost to Market St. Crossing. 246 Comment
  UCR51474  Gnaphalium canescens subsp. beneolens B. G. Pitzer, Jack Easton 1987-3-10 0398 Riverside San Jacinto Mtns., Anza area, hills south of Thomas Mtn., c. 3 mi east of town of Anza on north side of Hwy 371 1341 Comment
  UCR92408  Gnaphalium canescens subsp. microcephalum F. M. Reed 1933-8-13 8010 Riverside South Coast; San Bernardino Valley, Riverside, Fairmont Park 245 Comment
  UCR234762  Gnaphalium leucocephalum A. C. Sanders, John F. Green 2012-6-25 40304 Riverside Peninsular Range; Santa Ana Mtns. Region, small canyon east of Horsethief Canyon Rd., below end of Kicking Horse Dr. & Caravan Circle 389 Comment
  RSA701364  Gnaphalium luteoalbum Steve Boyd, Aydee Virgen 2004-4-13 10865 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA585510  Gnaphalium stramineum D. L. Banks, S. D. Boyd 1995-5-9 0371 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  POM256727  Gutierrezia sarothrae W. Pequegnat 1940-7-1 s.n. Riverside Bedford Truck Trail, Santa Ana Mts. 427 Comment
  UCR14021A  Gutierrezia sarothrae George K. Helmkamp 1973-10-3 s.n. Riverside San Jacinto Mtns, On Palms to Pines Hwy at junction to Idyllwild [Mountain Center] Comment
  UCR91875  Gutierrezia sarothrae A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15901 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the rd to the tram station, vicinity of the upper end of the flood control dike 428 Comment
  SEINET188337  Halliophytum hallii C. L. Hitchcock 1940-4-2 5926 Riverside Joshua Tree National Monument; Cottonwood Spring wash Comment
  UCR134608  Haplopappus acradenius Marisa Sripracha, Kyle Boyd 2004-2-14 031 Riverside Sonoran (Colorado) Desert, Myoma, on the Thousand Palms Preserve, near the palm oasis just off Thousand Palms Drive 190 Comment
  UCR138557  Haplopappus squarrosus subsp. grindelioides Steve Boyd, D. E. Bramlet 1988-10-8 2876 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  CAS-BOT-BC231097  Harpagonella palmeri Steve Boyd 1986-3-9 1399 Riverside Temescal Canyon: Between Indian Truck Trail and Horsethief Wash 365 Comment
  UCR225448  Hedypnois cretica A. C. Sanders 2011-3-29 38836 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  SEINET13297608 Image available Heliotropium curassavicum Mitch Provance 2013-1 613 -27 Riverside San Bernardino Valley: Riverside, Arlington area, S side of Challen Avenue, near intersection with Curran Dr. (Riverside West 7.5' Q.) 238 Comment
  POM49130  Hemizonia kelloggii Mary F. Spencer 1919-6-17 1192 Riverside Near San Jacinto 304 Comment
  UCR268588  Hemizonia kelloggii Jim Andre 2012-6-15 30542 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UCR199653  Hemizonia paniculata Justin M. Wood 2008-7-16 25 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  IRVC29255  Hemizonia pungens subsp. laevis Kay Stockwell 1999-6-6 s.n. Riverside Warm Springs Creek, Murrieta; 0.5 mi. south of Murrieta Hot Springs Road 320 Comment
  UCR162935  Hemizonia pungens subsp. laevis Fred M. Roberts, D. E. Bramlet 2005-4-1 6146 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  RSA1909  Hesperocallis undulata B. D. Stark 1931-4-27 1090 Riverside 2.0 miles east of Mecca. Alt. below sea level. Comment
  SEINET3196409 Image available Hesperocallis undulata John F. Green 2005-1 s.n. Riverside Sonoran (Colorado) Desert; Salton Basin, east of Salton Sea, c. 4 mi N of Niland; Coachella Canal right of way, between siphones 10 and 11, along county road west of canal (Wister 7.5' Q. ) 26 Comment
  OBI74464  Hesperocnide tenella David J. Keil 1983-4-15 16897 Riverside E of Temecula on SR79 Comment
  CAS-BOT-BC131792  Hesperoyucca whipplei E. K. Balls 1955-4-25 20443 Riverside Mt. San Jacinto Comment
  RSA801732  Heterocodon rariflorum LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6177 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  UCSB41786  Heteromeles arbutifolia Sawyer, Patricia 1964-10-3 Riverside Highway 30, San Bernadino National forest. 609 Comment
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May 16 2016
  UCR151066  Heterotheca grandiflora Scott D. White 1998-6-17 6747 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
  POM9845  Heterotheca horrida subsp. cinerascens E. C. Jaeger 1921-11-15 s.n. Riverside Morongo Pass Comment
  HSC104168  Heterotheca sessiliflora A. C. Sanders, T. B. Salvato 2014-7-2 41156 Riverside San Jacinto Mtns.: Forbes Canyon, ~0.5 mi. S of Forbes Ranch along Forbes Ranch Rd. 1555 Comment
  SD137874  Heterotheca sessiliflora subsp. echioides Darin L. Banks, Steve Boyd 1995-10-17 785 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest; along lower Arroyo Seco, south of the Dripping Springs Campgroud 515 Comment
  UCR118214  Heterotheca subaxillaris Mitch Provance 1999-9-23 1680 B Riverside Riverside, UCR Campus, planter on the NE side of Boyce Hall 335 Comment
  CLARK-A1528-3226  Hibiscus denudatus John C. Roos 1939-4-6 4145 Riverside Orocopia Mountains Comment
  PASA1771  Hibiscus denudatus 1930-3-30 Riverside Near Shavers Well Comment
  RSA0106700  Hibiscus denudatus Duncan S. Bell, Thomas Stoughton 2010-3-19 569 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  RSA0117898  Hilaria rigida Sarah J. J. De Groot, Duncan S. Bell, LeRoy Gross 2016-2-17 7607 Riverside Santa Rosa Mountains: Slide off east side of Martinez Mountain, north of Toro Canyon, south of La Quinta, southwest of Thermal and Coachella. 110 Comment
  SEINET223804 Image available Hilaria rigida E. Neese 1979-4-10 7077 Riverside Ca 25 mi W of Blythe along Interstate 10 244 Comment
  SEINET229274 Image available Hilaria rigida L. M. Shultz, JS Shultz 1985-4-15 8244 Riverside Chuckawalla Valley depression along Wiley's well rd 122 Comment
  UCD115106  Hirschfeldia incana K. Esau 1935-6-15 s.n. Riverside location unknown. Comment
  NY43420  Hoffmannseggia microphylla C. R. Annable 1995-3-10 2260 Riverside 1.6km S of Lake Cahuilla County Park Comment
  SD127582  Hoffmannseggia microphylla David Charlton 1988-2-18 1134 Riverside Alluvial fan south side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park, parallel to I-10, 1 mile east of Jct Dillon Road & Fargo Canyon Road 609 Comment
  SD27950  Hoffmannseggia microphylla Carl B. Wolf 1932-4-26 2978 Riverside Colorado Desert, 5 miles east of Mecca, on Blythe Road, open sandy flat 29 Comment
  UCR163992  Holocarpha virgata subsp. elongata John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2 miles NE of Squaw Mountain 640 Comment
  RSA309523  Holodiscus discolor James R. Shevock 1978-4-26 5904 Riverside Northeast side of Pleasants Peak, Cleveland National Forest 1189 Comment
  RSA595137  Hordeum intercedens Steve Boyd, Dave Bramlet 1996-4-19 8591 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, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  SD146088  Hordeum murinum B. Pitzer, J. Ross 1998-3-8 3597 Riverside Colorado Desert: Hayfield Lake, on the lakebed, southeast of pumping station, near center of lake (Hayfield Spring [UTM 10km cell: 11S PH-2E, 2N. Hayfield Lake]) 395 Comment
  RSA651805  Hordeum murinum subsp. glaucum L. E. Francois 1966-3-23 32366 -3 Riverside City of Riverside, southeast corner of lysimeters at U.S. Salinity Laboratory prorperty, located at 14th Street & Palm Avenue 289 Comment
  CLARK-A1528-66  Hordeum stebbinsii C. M. Flanagan 1973-5-12 OO 416 Riverside Morongo Indian Reservation 1158 Comment
  POM266314  Hulsea heterochroma J. C. Roos 1942-6-20 1274 Riverside Roadside N of Idyllwild. Comment
  UCR213828  Hulsea heterochroma Scott D. White, Justin M. Wood 2009-5-21 12841 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  UCSB26726  Hulsea vestita subsp. callicarpha Wilken, Dieter 1969-6-30 Riverside Riverside County Road R1, near Black Mtn. junction, 8.6 miles north of Idyllwild, San Jacinto Mtns. 1524 Comment
  CLARK-A1528-1959  Hymenoclea salsola John C. Roos 1947-2-15 3246 Riverside Eagle Mountains Comment
  POM126302  Hymenoclea salsola Thos Craig 1927-4-2 62 Riverside Wash below Hidden Springs; Colorado Desert. Comment
  UCR133378  Hymenoclea salsola Mitch Provance, J. S. Ross 1998-3-27 MOR- 990 Riverside San Bernardino Mtns., Morongo Indian Reservation, Deep Canyon, 2.5 miles NNE of Cabazon 732 Comment
  UCR60242  Hymenoclea salsola R. F. Thorne 1973-3-30 42693 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  POM113425  Hymenoxys cooperi J. B. Feudge 1926-5-9 1371 Riverside Keyes Ranch, Little San Bernardino Mts 1220 Comment
  RSA740240  Hypericum formosum var. scouleri Scott D. White, Justin M. Wood 2008-7-8 12369 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  UCR126384  Hypochaeris glabra A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 693 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  CAS-BOT-BC219771  Hyptis emoryi E. Braunton 1929-1-1 1023 Riverside Painted Canyon, Mecca Comment
  CAS-BOT-BC219776  Hyptis emoryi James Henrickson 1963-3-29 1211 (1111?) Riverside 12 miles east of Mecca 304 Comment
  RSA420172  Hyptis emoryi M. B. Dunkle 1933-3-4 3059 Riverside Painted Canyon. Colorado Desert. 30 Comment
  RSA83468  Hyptis emoryi F. W. Peirson 1916-04 1079 Riverside Near Palm Springs. Comment
  UC883107  Hyptis emoryi N. Dunn and A. M. Martin 1932-3-26 Riverside Box Canyon Comment
  SEINET10498868  Hyptis emoryi Noel H. Holmgren 1973-3-21 Holmgren 6421 Riverside Big maria mtns, 12 m n of downtown blythe. T4s,r22e,sec 35. Common in wash bottom with paloverde. Shrub up to 6 ft tall. 290 Comment
  RSA0042207  Isocoma acradenia Joseph Brehm 2014-7-16 s.n. Riverside Collected at Dos Palmas ACEC within Upper San Andreas Oasis, 1 mile south of oasis. Comment
  UCR113749  Isocoma menziesii var. vernonioides Scott D. White 1998-10-9 7168 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  RSA286803  Isoetes howellii R. F. Thorne 1974-5-23 44671 Riverside Santa Ana Mountains, Santa Rosa Plateau, Rancho California: N edge of large vernal marsh, Mesa de Colorado 624 Comment
  UCR193356  Isoetes orcuttii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35627 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  UCR101578  Isomeris arborea 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
  SEINET8727087 Image available Isomeris arborea Jean Coulson 1959-1 75 Riverside Highway 60, 4.0 mi. W. of junction with 111 S. of road. 1 Comment
  CSUSB714  Isomeris arborea var. angustata Elliott Helm 1975-5-23 Riverside Mojave Desert Mojave Desert, 16 miles north of 29 Palms, off highway 177 304 Comment
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Aug 26 2014
  CAS-BOT-BC167227  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37145 Riverside Peninsular Range: Box Springs Mtns. Foothills, Riverside, dry arroyo on UCR campus SE of student health center and just north of North Campus Drive 320 Comment
  UC1787289  Juglans nigra A. C. Sanders, J. Goetzen 1996-5-1 18134 Riverside San Bernardino Mountains; Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning 792 Comment
  UCR100825  Juglans nigra A. C. Sanders, T. Tennant 1997-11-14 21601 Riverside San Bernardino Mtns., Morongo Indian Reservation, sag pond at SE end of Burro Flats 1110 Comment
  RSA44869  Juncus acutus subsp. leopoldii J. C. Roos 1948-5-15 3855 Riverside Lost Palms Canyon, Eagle Mountains., Colorado Desert. Comment
  JEPS19724 Image available Juncus acutus var. sphaerocarpus W. L. Jepson 1914-5-22 6041 Riverside near Thousand Palms Canyon; ; Near Thousand Palms Canyon Comment
  SEINET10533289  Juncus acutus var. sphaerocarpus David B. Dunn 1946-3-17 Dunn 2102 Riverside In marshy area at pushawalla palms springs. Indio hills Comment
  RSA247275  Juncus bufonius G. D. Wallace, D. H. Wilken 1966-7-3 650 Riverside San Jacinto Mountains near Idyllwild, Strawberry Meadows. Comment
  SD140238  Juncus bufonius A. C. Sanders 1993-4-5 13685 Riverside Western edge of Hemet, along south side of Devonshire Avenue, between Ols Warren and Warren Roads, southwest of Tres Cerritosa and North of Florida Avenue (Highway 74). 459 Comment
  SD137986  Juncus bufonius var. bufonius Darin L. Banks, Steve Boyd 1995-5-3 214 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
  UC842783  Juncus macrandrus Crawford and Johnston 1917-6-9 1232 Riverside near Corona; Santa Ana River Comment
  UCR264608  Juncus mexicanus Mitch Provance 2012-6-19 196- 02 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  SBBG19541  Juncus oxymeris R. Moran 1962-7-7 9857 Riverside Strawberry Crk, 2 mi SW of Idyllwild 472 Comment
  POM14181  Juncus rugulosus E. C. Jaeger 1921-7-15 s.n. Riverside Massacre Canyon, [along Potrero Creek] Comment
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Nov 5 2011
  RSA0125122  Juncus rugulosus Duncan S. Bell 2016-10-27 10211 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA381089  Juncus rugulosus Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61168 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon 535 Comment
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Dec 11 2007
  UC2030097  Juncus rugulosus Scott D. White 2000-5-3 7769 Riverside TEMECULA AREA: Near Wolf Valley. Valley and hillsides along unamed tributary to Temecula Creek, directly S of Red Hawk subdivision. Comment
  CHSC89823  Juncus textilis L. P. Janeway 2004-5-8 8062 Riverside Peninsular Ranges. Santa Ana Mountains, San Mateo Canyon; between Tenaja Trail and the creek, 150 m south-southwest of the Tenaja Trail trailhead at Wildomar Road. Flattish bench above and away from the creek. 387 Comment
  RSA59153  Juniperus californica Percy C. Everett 1950-9-15 15893 Riverside Gavilan Hills, about .5 mile s.w. of Lake Mathews. Comment
  UC2015592  Juniperus californica Scott D. White 1995-12-30 3803 Riverside Perris Basin SW of Perris, above S bank of San Jacinto River. Comment
  UC68658  Juniperus californica H. M. Hall May, 1905 6040 Riverside Cottonwood Pass Colorado Desert 670 Comment
  UCR52213  Juniperus californica Steve Boyd 1985-12-14 1192 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau Comment
  RSA11524  Justicia californica N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Shavers Well Comment
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May 24 2012
  RSA398815  Justicia californica Robert M. Perkins, H. de Forest 1937-3-15 387 Riverside 20 miles east of Desert Center. Comment
  SEINET2163467 Image available Justicia californica M. A. Clauser 1966-3-13 425 Riverside Palm Springs, below Cable Car of highway 111.; san Jacinto Mountain Range. Comment
  CAS-BOT-BC235502  Keckiella antirrhinoides I. W. Clokey; E. G. Anderson 1936-4-16 6885 Riverside Along San Jacinto River, East of Hemet 600 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
  RSA248369  Keckiella antirrhinoides I. W. Clokey, E. G. Anderson 1936-4-16 6885 Riverside Brushy hillside along San Jacinto River, east of Hemet. 600 Comment
  RSA0018943  Keckiella antirrhinoides subsp. antirrhinoides Ora M. Clark 1929-3-16 1695 Riverside South of Cabazon, Colorado Desert. Comment
  LA209340  Keckiella antirrhinoides subsp. microphylla Michael Neuman; 1984-3-25 34 Riverside Palms to Pines Highway, Sugarloaf Mountain S of Palm Desert 1300.0 Comment
  RSA293260  Keckiella ternata subsp. ternata D. C. Michener 1980-6-11 3676 Riverside Thomas Mtns. Semi-open chaparral Pinus transition ca 1.7 mi. along Thomas Mtn road [6S13] from jct with CA 74 near Lake Hemit. 1450 Comment
  RSA0019434  Keckiella ternata subsp. ternata Mary F. Spencer 1923-7-29 2261 Riverside Banning road. 1768 Comment
  RSA560845  Koeleria macrantha Steve Boyd, Timothy S. Ross 1992-5-4 7177 -B Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR35301  Koeleria macrantha L. B. Ziegler 1968-5-21 294 Riverside San Jacinto Mtns., Hemet Valley (=Garner Valley) 1418 Comment
  UCD107079  Krameria bicolor Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  RSA124442  Krameria erecta Percy C. Everett, E. K. Balls 1958-4-29 23030 Riverside 21.9 miles SW of Rice, along road from Desert Center to Vidal jct 549 Comment
  UCR120968  Krameria grayi Jennie Phui 1998-6-3 105 Riverside Western Colorado Desert/San Jacinto Mtns., near Windy Point and Palm Springs Station, 6 miles NW of Palm Springs city limits, base of Mt. San Jacinto 366 Comment
  RSA502493  Lactuca saligna Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3734 Riverside Vail Lake area: edge of hills on N of Wilson Creek at E end of lake. 488 Comment
  CAS-BOT-BC340504  Lactuca serriola Scott D. White 1996-9-22 4543 Riverside Perris Basin, W Riverside Co. Perris: Nuevo Road near intersect. w/ Wilson Ave., W of the San Jacinto Riv crossing 435 Comment
  RSA736792  Lactuca serriola Scott D. White, Angelia Carey 2004-7-2 10572 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA500981  Lamarckia aurea Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3100 Riverside Vail Lake area, ridge-top 1 mile W of dam. 642 Comment
  RSA704002  Lamarckia aurea Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 125 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On right spur of primary dirt road. 550 Comment
  UCR4067  Lamium amplexicaule Carole Sims 1965-4-12 s.n. Riverside University of California, Riverside campus; lawn north of permanent Union Building site. 274 Comment
  JOTR16797  Langloisia setosissima subsp. punctata Dengler, A. 1966-3-31 38 Riverside Joshua Tree National Park. OLD DALE 609 Comment
  CAS-BOT-BC166021  Larrea tridentata Roxana S. Ferris 1918-6-13 958 Riverside 1 mi. south of Cabazon in White Water Wash Comment
  RSA0047318  Larrea tridentata Jim Andre 2014-1-27 26658 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA0068129  Larrea tridentata Cheryl Sevilla, Sarah J. De Groot, Forrest Freund 2015-4-1 71 Riverside Sonoran Desert; Coachella Valley; Santa Rosa Mountains; south of La Quinta; north of Devil Canyon; 2.5 miles west of Lake Cahuilla. 136 Comment
  UC1324900  Larrea tridentata H. U. Stauffer and R. F. Thorne 1964-5-5 5923 Riverside 6.5 km s Morongo Valley (4.8 km s of county border) 550 Comment
  CAS-BOT-BC412767  Lastarriaea coriacea Steve Boyd; Tim Ross; Dave Bramlet 1993-5-13 7364 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon 411 Comment
  RSA753813B  Lastarriaea coriacea D. Volgarino 1995-6-12 s.n. Riverside Dripping Springs. Comment
  SD140184  Lasthenia californica A. C. Sanders 1993-4-5 13694 Riverside Western edge of Hemet, along south side of Devonshire Avenue between Old Warren and Warren Roads, southwest of Tres Cerritos and north of Florida Avenua (Hwy 74). 459 Comment
  SD181692  Lasthenia coronaria Scott D. White, Tash La Doux 2000-4-20 7707 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  UC69031  Lasthenia coronaria H. M. Hall 1905-4-1 5752 Riverside Beaumount Comment
  UCR128905  Lasthenia coronaria A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23903 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR214571  Lasthenia coronaria A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37852 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
  UCR277165  Lasthenia coronaria Robert J. Steers, Chris E. True 2008-3-25 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Snow Creek Canyon, north of Snow Creek Village NE of where the Pacific Crest Trail crosses Snow Creek Rd. 364 Comment
  HSC5141  Lasthenia gracilis R. A. Eagle 1963-4-8 9 Riverside San Jacinto Mtns.; Idyllwild-Banning Rd. Comment
  UC1595633  Lasthenia gracilis Steve Boyd and Dave Bramlet 1991-5-13 6236 Riverside in pasture n Santa Fe RR tracks (w of San Diego Aqueduct, between Winchester and Hemet along upper Salt Creek drainage); Winchester Valley along upper Salt Creek drainage Comment
  UCR113182  Lasthenia gracilis A. C. Sanders 1998-3-11 21665 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near east end of hills 518 Comment
  UCR155088  Lasthenia gracilis A. C. Sanders, Kelly Volansky 2005-3-17 29233 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
  UCR199640  Lasthenia gracilis Scott D. White, Justin M. Wood 2008-4-3 11796 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UCR225582  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-3-29 38871 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  SD143907  Lathyrus vestitus Scott D. White 1994-4-23 Riverside Millard canyon, ca. 8 airmiles north of Cabazon, USFS Road 2S05.2, ca. 0.3 miles south of junction 2S05.2 & 2S05B, ca. 1.7 miles south of deer Spring & 1 mile SW of Bear Wallow Spring; USGS San Gorgonio Mountain 7.5' quad. 1310 Comment
  UCR137353  Lathyrus vestitus John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA406644  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1947-5-5 2045 Riverside Los Alamos Canyon, Elsinore 762 Comment
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Nov 26 2011
  RSA709449  Layia glandulosa T. B. Salvato, John Green 2004-5-27 705 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA613326  Layia platyglossa D. L. Banks 1997-3-6 1390 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  SBBG103915  Layia platyglossa S. D. White 1993-4-20 1216 b Riverside ridge SE of Estelle Peak, Gavilan Hills 792 Comment
  UCR179209  Layia platyglossa Mitch Provance, Tracy Tennant 1998-6-16 MOR- 379 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  UCR269906  Layia platyglossa D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3654 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  UCR6685  Layia platyglossa L. B. Ziegler 1966-6-21 049 Riverside Peninsular Range; San Jacinto Mtns., between Mountain Center and Keen Camp Summit 1448 Comment
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Jan 8 2013
  RSA603794  Layia platyglossa subsp. campestris Palmer Stockwell 1935-5-12 1220 Riverside 2.5 miles N of Elsinore Comment
  SD6338  Lemna Unknown 1881-5-13 Riverside Temecula. Comment
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Mar 27 2011
  RSA388317  Lemna gibba Steve Boyd 1986-5-5 1851 Riverside Gavilan Hills, Estell Mountain: Head of large canyon draining the southeast side of Estelle Mountain. Comment
  RSA562054  Lepidium dictyotum Steve Boyd, Timothy S. Ross 1992-4-1 6773 Riverside Temescal Canyon, terrace escarpments between Indian and Horsethief Washes along De Palma Road. 412 Comment
  SBBG104094  Lepidium dictyotum A. C. Sanders 1993-4-5 13684 Riverside western edge of Hemet, NE corner of intersection of Myers St. and Devonshire Ave, 0.75 mi NE of intersection of Florida Ave (St Hwy 74) and Warren Rd Just S of Tres Cerritos; T5S, R1W, SW/4 of NE/4, S7 460 Comment
  UCR151368  Lepidium dictyotum Steve Boyd 2001-4-12 10410 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  POM259967  Lepidium lasiocarpum P. A. Munz 1940-3-23 15724 Riverside N end of Pinto Basin mojave desert 915 Comment
  RSA68339  Lepidium lasiocarpum F. W. Peirson 1933-4-13 10636 Riverside Road from Deep Canyon to Idyllwild. 610 Comment
  CLARK-A1528-2330  Lepidium virginicum John C. Roos 1952-4-8 5475 Riverside Riverside 259 Comment
  UCR275952  Lepidium virginicum var. pubescens T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3793 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
  RSA773650  Lepidium virginicum var. virginicum Duncan S. Bell, Colleen Wheeler 2010-7-19 1633 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1383 Comment
  SDSU12990  Lepidospartum squamatum Michael G. Simpson with Claudia A. Luke 1999-10-27 2012 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  CLARK-A1528-1987  Lepidospartum squamatum var. palmeri John C. Roos 1942-10-23 2572 Riverside Morongo Valley 518 Comment
  UCR241237  Leptodactylon californicum Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 06 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  UCR4130  Leptodactylon californicum subsp. leptotrichomum Ronald M. Cope 1965-3-20 s.n. Riverside San Jacinto Mtns., beside road from Idyllwild to Banning, seven miles below Lake Fulmor [vicinity of McMullen Flat] 1220 Comment
  SEINET7967465 Image available Leptosiphon bicolor Malcolm G. McLeod 1971-6-22 472 Riverside Idyllwild Comment
  GMDRC6562  Leptosiphon liniflorus J. M. Andre 2012-6-15 30516 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 1309 Comment
  RSA494645  Leptosiphon parviflorus B. L. Phillips 1988-4-29 s.n. Riverside Vail Lake, E of Temecula, in canyon S of, and draining into, SW finger of lake. Comment
  RSA507939  Leptosiphon parviflorus Steve Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-3-28 2257 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1500 Comment
  RSA429765  Lesquerella kingii subsp. latifolia Jack Rempel 1935-4-14 s.n. Riverside Pinto Basin 518 Comment
  RSA444555  Lesquerella tenella W. Wisura 1988-3-1 4199 Riverside 1.8 mile along Black Eagle Mine Road, Joshua Tree National Monument Comment
  UC1287162  Lesquerella tenella C. L. Hitchcock 1966-3-20 24309 Riverside along road to Blythe about 30 mi n Ogilby Comment
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Mar 2 2013
  UC129472  Lesquerella tenella H. M. Hall 1905-4-22 5845 Riverside Canyon Springs , Canyon Springs (Colorado Desert) Comment
  UCR107388  Lessingia filaginifolia B. G. Pitzer 1997-3-23 2969 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
  UCR229518  Lessingia filaginifolia Jeremiah George 2011-9-8 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, Terra Cotta Rd. at Coal Ave, Warm Springs Valley 409 Comment
  RSA596157  Lessingia glandulifera var. glandulifera D. L. Banks 1996-11-7 1218 A Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  RSA700101  Lessingia glandulifera var. glandulifera Virginia Moran 2003-9-1 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management: Section 33 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  SD160999  Lessingia glandulifera var. glandulifera Virginia Moran 2003-9-1 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Wilson Valley Mitigation Bank. Comment
  SEINET11810766  Lessingia glandulifera var. glandulifera Unknown 1960-1 583 Riverside 4.7 mi E of Anza on road to Santa Rosa Summit 1372 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
  JOTR32961  Linanthus bigelovii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2712 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  RSA764570  Linanthus bigelovii Michael Wall 2010-6-7 569 Riverside Bautista Creek off Bautista Canyon Rd., ca. 6.6 miles SE of jct. with Fairview Ave. 760 Comment
  HSC101578  Linanthus californicus Steve Boyd, Susan Jett 2008-3-20 11829 Riverside Peninsular Ranges; Santa Ana Mountains region: eastern flank of the range along El Cariso Trunk Trail, ca. 0.5 mi. north of Highway 74 732 Comment
  POM9011  Linanthus californicus P. A. Munz, R. D. Harwood 1920-3-20 3394 Riverside Glenn Ivy 335 Comment
  RSA691058  Linanthus dianthiflorus Scott D. White, Michael Honer 2003-4-9 8982 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  POM364580  Linanthus dianthiflorus subsp. dianthiflorus B. C. Templeton, I. W. Clokey 1930-4-9 1010 Riverside Near Banning 500 Comment
  UCR155950  Linanthus floribundus Scott D. White 1994-4-23 2030 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  UCR232475  Linanthus floribundus Kate Kramer, Andrew Trouette, Jordan Zylstra, E. Howe 2005-8-9 253 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Springs campground 2241 Comment
  OBI38922  Linanthus jonesii A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6108 Riverside Corn Spring, Chuckwalla Mountains, was below the spring and wash and rocky slopes to the south. Comment
  UCR108862  Linanthus lemmonii Heidi A. Haid 1969-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA646296  Linanthus liniflorus Orlando Mistretta, Mark Elvin 1995-6-19 1778 Riverside San Jacinto Mountains: Highway 74. 1264 Comment
  UCR193897  Linanthus liniflorus A. C. Sanders, Mitch Provance 2008-7-11 35776 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UC52468  Linanthus parviflorus H. M. Hall 1898-4-14 Riverside Elsinore Mts. Comment
  RSA5003  Linaria canadensis var. texana Carl B. Wolf 1932-3-20 3 Riverside Richman Ranch, 2.5 miles no. of De Luz; S.W. Riverside County. 457 Comment
  UCSB18971  Linum lewisii Keefe, Joseph 1961-5-6 Riverside Allendale Pines, north of Idyllwild 1371 Comment
  UCSB3559  Linum lewisii Zellhoefer, Judi 1960-5-15 Riverside Highway 74, 25.2 miles SE of Idyllwild Comment
  RSA0010982  Lithophragma affine P. H. Raven 1958-5-17 12956 Riverside 7.4 miles south-east of Banning on road to Idyllwild, Sam Jacinto Mountains. Comment
  UCR238087  Loeflingia squarrosa Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2053 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  JEPS69813  Loeseliastrum schottii Samuel B. Parish Mar 1884 Riverside Agua Caliente (= Palm Springs of Mt. San Jacinto) Colorado Desert, Agua Caliente Comment
  UC1714467  Loeseliastrum schottii E. E. Schellenger 1911-4-24 Riverside s. Palm Springs; Colorado Desert Comment
  UC32051  Logfia depressa W. G. Wright 1889-1 Riverside Colorado Desert Comment
  UC68902  Logfia depressa H. M. Hall 1905-5-1 6027 Riverside near the Pinto Mts.; Colorado Desert Comment
  UC990730  Logfia depressa Roxana S. Ferris 1953-3-10 12602 Riverside desert at Thousand Palms; Indio Hills, Thousand Palms Comment
  CAS-BOT-BC342250  Logfia filaginoides S. B. Parish 1884-3-1 1657 in part Riverside Agua Caliente (Palm Springs) Comment
  RSA747870  Lomatium lucidum Justin M. Wood 2009-5-11 699 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCR164892  Lomatium lucidum S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  SBBG28442  Lomatium mohavense D. Myrick 1964-4-30 826 Riverside Pines to Palms Highway (St Hwy) 74, 15 mi W of Palm Desert 1219 Comment
  UC874770  Lomatium mohavense Lee Haines 1937-4-11 Riverside Keys View Little San Bernardino Mountains Comment
  UCR118743  Lomatium utriculatum Michael A. Patten 1993-3-20 s.n. Riverside Perris-Aguanga basin region, northeast of Lake Skinner, corner of De Portola Rd. and Barranca Rd., near Black Mountain 640 Comment
  CAS-BOT-BC234806  Lonicera subspicata H. E. McMinn 1925-7-2 1512 Riverside Tahquitz Trail - Sasn Jacinto Mts Comment
  CHSC201  Lonicera subspicata var. denudata E. Thomas 1940-3-10 Riverside San Jacinto Foothills. Comment
  RSA500547  Lonicera subspicata var. denudata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3616 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  RSA597526  Lonicera subspicata var. denudata L. C. Wheeler 1960-5-9 7689 Riverside Santa Rosa Mountains. Garnet Queen Mine. Comment
  SDSU2923  Lonicera subspicata var. denudata H. Wedberg 1962-7-29 981 Riverside About 7 miles from hemet on the road to Mountain Center, opposite the 2000' sign. 610 Comment
  UC219569  Lonicera subspicata var. denudata P. A. Munz 1922-6-25 5823 Riverside Hemet Valley to Vandeventer; San Jacinto Mts. 1432 Comment
  SD67736  Lonicera subspicata var. johnstonii Victor Duran 1933-7-2 3496 Riverside Vandeventer Flat, Santa Rosa Mountains. 1520 Comment
  UCR132924  Lotus argophyllus John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR51360  Lotus argophyllus B. G. Pitzer, A. C. Sanders 1987-4-21 498 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  JEPS55421  Lotus crassifolius var. crassifolius Carl V. Meyer 1927-6-1 Riverside Saunders Meadow San Jacinto Mt. Comment
  JEPS55538  Lotus nevadensis var. nevadensis W. L. Jepson 1903-8-7 2287 Riverside Strawberry Valley San Jacinto Mts. 1676 Comment
  RSA90410  Lotus oblongifolius E. C. Jaeger 1921-6-11 5449 Riverside Idyllwild Comment
  RSA6200  Lotus rigidus B. D. Stark 1932-6-5 1514 Riverside Palms to Pines Road 1067 Comment
  UC64819  Lotus rigidus E. E. Schellenger 1904-3-28 60 Riverside Cottonwood Springs Colorado Desert, Cottonwood Mt. Comment
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Oct 9 2010
  RSA613639  Lotus salsuginosus D. L. Banks, Victor W. Steinmann 1997-3-13 1480 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR262282  Lotus salsuginosus A. C. Sanders 2006-5-13 32283 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
  CLARK-A1528-487  Lotus scoparius Fred B. Essig 1964-1-11 10 Riverside Corona 640 Comment
  RSA658884  Lotus scoparius Douglas A. Springer 1981-2-16 6 Riverside 2.9 miles E of La Serra Rd., E of Corona. Comment
  UCR133983  Lotus strigosus Mitch Provance, J. S. Ross 1998-3-27 MOR- 973 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon at mouth of Corral Canyon, c. 1 mile NW of VABM Mil (Peak 3620) 915 Comment
  UCR225617  Lotus strigosus A. C. Sanders, T. B. Salvato 2011-3-29 38840 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  UCR261449  Lotus strigosus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41422 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR151101  Lotus strigosus var. hirtellus Scott D. White, Julie Greene 1998-8-1 6970 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
  RSA49170  Lotus tomentellus P. A. Munz 1949-4-13 13063 Riverside Cottonwood Springs, west end of Eagle Mountains 1143 Comment
  JOTR32829  Lupinus andersonii La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1553 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  CLARK-A1656-890  Lupinus arizonicus Lois Ann Scott 1977-12-23 Riverside Thousand Palms Oasis 137 Comment
  SBBG3529  Lupinus arizonicus K. K. Muller 1958-3-22 912 Riverside opposite S entrance of Joshua Tree Nat Monument, 2 mi S of Hwy 60 Comment
  SBBG69025  Lupinus arizonicus M. N. Ackley -Mar-1928 533 Riverside near Edom 64 Comment
  RSA161282  Lupinus bicolor P. H. Raven 1958-5-18 s.n. Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  RSA583482  Lupinus bicolor Steve Boyd 1995-5-13 8512 Riverside Santa Ana Mountains, south of Elsinore Peak near intersection of road to radio towers on summit and trail following old Main Divide Road grade. 1037 Comment
  SEINET2062596  Lupinus bicolor A. C. Sanders, K. Rose, D. Woodard 1995-3-22 16227 Riverside San Gorgonio Pass, San Jacinto Mountains, on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave., W of Snow Creek, E of Cabezon. 390 Comment
  UCR92334  Lupinus bicolor Scott D. White, M. D. Wilcox 1995-7-13 3474 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  POM184252  Lupinus bicolor subsp. microphyllus Philip A. Munz 1932-3-24 12017 Riverside Corona 366 Comment
  RSA278309  Lupinus bicolor subsp. microphyllus C. W. Tilforth, Walter Wisura 1979-11-4 1768 Riverside Murrieta- Deluz Rd., 2 air miles south of Murrieta. 335 Comment
  POM350018  Lupinus bicolor subsp. umbellatus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA770292  Lupinus concinnus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4576 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR153670  Lupinus concinnus Scott D. White 1999-5-24 7388 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR162766  Lupinus concinnus S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA413603  Lupinus excubitus var. austromontanus Douglas Bothwell 1934-5-14 s.n. Riverside San Jacinto Mts, Idyllwild. 1610 Comment
  RSA633872  Lupinus excubitus var. austromontanus R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38129 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UCR122519  Lupinus excubitus var. austromontanus George K. Helmkamp, E. A. Helmkamp 2001-5-20 6686 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  RSA613448  Lupinus excubitus var. hallii D. L. Banks, Victor W. Steinmann 1997-3-13 1444 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
  UCR78450  Lupinus excubitus var. hallii Scott D. White 1993-4-22 1246 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  SDSU4976  Lupinus formosus Garrison 1962-7-29 Riverside San Jacinto Mountains. 2 miles beyond Black Mountian campground. 2286 Comment
  UC489013  Lupinus formosus C. V. Meyer 1929-6-18 773 Riverside Hemet Valley; San Jacinto Mts., Hemet Valley 1341 Comment
  UCR110991  Lupinus hyacinthinus George K. Helmkamp 1998-6-27 4124 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  UCR273790  Lupinus microcarpus Mitch Provance 2012-4-20 412- 25 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  POM12735  Lupinus pallidus Philip A. Munz, D. D. Keck 1922-4-13 4957 Riverside Eagle Mountains. 244 Comment
  POM12772  Lupinus pallidus Philip A. Munz, D. D. Keck 1922-4-9 4845 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
  POM122476  Lupinus shockleyi Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  SBBG3699  Lupinus sparsiflorus H. and M. Dearing 1937-4-10 648 Riverside E of Banning Comment
  UC56612  Lupinus sparsiflorus H. M. Hall Apr. 1902 2939 Riverside Riverside Comment
  UCR261413  Lupinus sparsiflorus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41434 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  POM301806  Lupinus sparsiflorus subsp. sparsiflorus James E. Cole 1942-4-12 949 Riverside Joshua Tree National Monument. 1220 Comment
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May 27 2013
  RSA673629  Lupinus sparsiflorus subsp. sparsiflorus Scott D. White, Tasha La Doux 2000-4-20 7688 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  SD237444  Lupinus succulentus A. C. Sanders, T. B. Salvato 2011-4-1 38948 Riverside Peninsular Range: Lake Elsinore, old house site on hill top along Baker St. below large water tank on hill, 0.83 mk NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall/Collier Ave., above Temescal wash (Lake Elsinore 7.5'Q) 402 Comment
  RSA180234  Lupinus truncatus E. W. Lathrop 1965-4-30 5702 Riverside 5 miles W of Murrieta. 610 Comment
  RSA772011  Lupinus truncatus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4962 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  GMDRC3546  Lycium andersonii J. Andre, T. La Doux 2009-2-25 10803 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  POM179062  Lycium andersonii R. H. Peebles, H. F. Loomis 156 -C Riverside Monsen Canyon, Eagle Mts. Corollas Desert. Comment
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Nov 22 2011
  RSA443394  Lycium andersonii J. C. Roos 1966-2-12 s.n. Riverside 2 mi. E of Desert Center. In wash with Olneya tesota. Comment
  RSA525671  Lycium andersonii Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4542 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UC218100  Lycium andersonii P. A. Munz, D. Keck 1922-4-9 4811 Riverside s base Eagle Mtns.; Colorado Desert 182 Comment
  UC494399  Lycium andersonii C. L. Hitchcock 1932-4-7 12206 Riverside Corn Springs, e Riverside County Corn Springs Comment
  UCD126594  Lycium andersonii Geoffrey Levin 1976-3-27 699 Riverside South side of Chino Canyon, West of Palm Springs. San Jacinto Mountains. 457 Comment
  UCR139389  Lycium andersonii P. A. Munz 1949-4-11 12999 Riverside Mojave Desert, eastern end of Joshua Tree National Monument 945 Comment
  UCR180050  Lythrum californicum Mitch Provance 2005-5-18 9804 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  SD70892  Lythrum hyssopifolia Helen V. Witham 1969-7-2 174 a Riverside Common near drainages, pools, etc. De Luz Creek crossing, 4 mi. N. of De Luz. 249 Comment
  RSA93354  Machaeranthera asteroides F. W. Peirson 1935-4-17 11471 Riverside Eastern part of Blythe, colorado Desert, Comment
  RSA192188  Madia gracilis E. W. Lathrop 1960-6-8 4919 Riverside 14 miles west of Murrieta Comment
  RSA524593  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3908 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  RSA519259  Malacothamnus densiflorus var. densiflorus 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
  RSA543595  Malacothamnus densiflorus var. densiflorus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6127 Riverside Gavilan Hills, SE end of range, E of Arroyo del Toro. N-facing slope of low hill. 488 Comment
  POM122196  Malacothrix californica Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild, San Jacinto Mountains Comment
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Sep 16 2011
  UC218096  Malacothrix clevelandii P. A. Munz and I. M. Johnston 1922-5-19 5347 Riverside 5 mi ne Murietta 457 Comment
  UCR193312  Malacothrix clevelandii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35596 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1560 Comment
  POM362320  Malacothrix glabrata Ora M. Clark 1929-2-22 156 Riverside W of Whitewater, Colorado Desert. Comment
  POM362335  Malacothrix glabrata M. B. Dunkle 1935-3-31 4447 Riverside N Cottonwood Springs. 762 Comment
  UCR180584  Malacothrix glabrata Scott D. White, Angelia Carey 2004-4-5 9999 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  SD244530  Malacothrix saxatilis var. tenuifolia Ed LaRue May 1989 Riverside Hills east of Beaumont, along Potrero Creek, I(c) mile east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  POM11885  Malaxis brachypoda Philip A. Munz 1922-9-5 6366 Riverside Meadow north of Tahquitz Valley, San Jacinto Mountains 2226 Comment
  JEPS66254  Malosma laurina W. L. Jepson 1901-6-1 1579 Riverside Temescal Wash 335 Comment
  OBI12339  Malva parviflora Tracey & Viola Call, Viola Call 1962-4-8 2120 Riverside Rancho Rd, Corona 213 Comment
  RSA509549  Malva parviflora Ed LaRue 1989-4-14 s.n. Riverside Old agricultural fields 0.5 mile S of Lakeview. 457 Comment
  UCR102818  Malva parviflora A. C. Sanders 1997-3-19 20061 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  RSA192340  Malvella leprosa E. W. Lathrop 1966-9-14 6585 Riverside 3 miles SW of Murrieta. Comment
  VVC2106  Mammillaria tetrancistra Tim Thomas 2012-8-23 5873 Riverside Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10 168 Comment
  POM48322  Marah macrocarpa E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, . San Jacinto Mts. Comment
  SDSU5862  Marah macrocarpa Thomas A. Zink 1971-4-1 Riverside Along Oak Glen Rd. about 3 miles south of the Oak Glen Range Station. Comment
  UC990731  Marah macrocarpa Roxana S. Ferris 1953-3-6 12592 Riverside s Palm Springs; Palm Canyon Comment
  UCR256741  Marah macrocarpa T. B. Salvato, Matthew Malle 2013-4-5 7511 Riverside Perris-Aguanga Basin, Sedco Hills, dirt extension (SCE powerline access) from Beverly Street east of Crab Hollow Circle 604 Comment
  RSA510025  Marah macrocarpa B. Pitzer, E. Misquez 1988-2-28 617 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  JOTR28792  Marina parryi La Doux, Tasha 2005-3-30 1061 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR29577  Marina parryi Andre, Jim 2006-4-6 6690 Riverside Joshua Tree National Park. Wilson Canyon, along Pinto Basin Rd 865 Comment
  RSA567642  Marina parryi Theo Glenn 1991-4-30 91 -58 Riverside Colorado Desert, McCoy Mtns, NW of Blythe. T5S, R20E, approx. S19, Alt 170m 170 Comment
  RSA727014  Marina parryi Naomi S. Fraga, Lisa Rojas 2005-2-10 1411 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  RSA776692  Marina parryi Duncan S. Bell, Amanda Turek 2010-4-10 791 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  SD129346  Marina parryi A. C. Sanders 1989-9-19 9505 Riverside 1.75 km south of Tabaseca Tank, along the wash above Tabaseca Target. 680 Comment
  SEINET2063252 Image available Marina parryi B. Pitzer 1988-3-10 646 Riverside W side of Chuckwalla Mts., on gas line road ca. 1.5 mi N of intersection with Red Cloud Mine Rd.; ca 2 mi. S of I-10. 487 Comment
  SEINET10489470  Marina parryi Noel H. Holmgren, Patricia K. Holmgren 1973-3-21 Holmgren 6426 Riverside Big maria mtns, 12 airline mi n of downtown blythe. T4s, r22e, sec 35. Locally Common gravelly wash bank. Wings and keel purple, the banner yellow, turning Red. 290 Comment
  RSA0036209  Marrubium vulgare Norman C. Cooper 1944-4-22 1112 Riverside Banning. 731 Comment
  RSA740933  Marsilea vestita Scott D. White, Justin M. Wood 2008-7-9 12435 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  RSA759270  Meconella denticulata Robt. Allen 2008-4-13 s.n. Riverside San Juan Canyon watershed. Along Bear Canyon Trail, .08 air mile SSE of the trailhead near Ortega Hwy. 627 Comment
  RSA85571  Medicago polymorpha var. brevispina J. C. Roos 1952-4-9 5487 Riverside Fairmount Park. 259 Comment
  CLARK-A1656-840  Medicago sativa Jon Mark Stewart 1983-10-24 83-45 Riverside Palm Desert 60 Comment
  UCR95244  Melaleuca citrina D. L. Banks, E. H. Banks 1996-5-2 956 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
Read comments
Jun 5 2006
  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
  UCR155943  Melica frutescens T. B. Salvato, Kent Beaman 2005-5-16 815 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
  UCR174306  Melica frutescens A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32647 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
  CAS-BOT-BC281601  Melica imperfecta W. A. Silveus 1938-4-16 2647 Riverside Near Elsinore Comment
  CAS-BOT-BC281606  Melica imperfecta Steve Boyd; et al. 1990-4-3 4103 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mt, just S of the E summit 701 Comment
  UCR155327  Melica imperfecta A. C. Sanders, Mike Misenhelter 2005-3-23 29259 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR4062  Melica imperfecta Carole Sims 1965-4-28 s.n. Riverside San Jacinto Mtns., 2 mi from Banning railroad crossing on road [Hwy 243] to Idyllwild. 732 Comment
  RSA0042737  Melilotus indicus John Wallace, Steve McNabb 1991-5-1 1 Riverside Colorado River. Approximately one mile south of Red Rooster Campground. Comment
  UCR107766  Mentha D. L. Banks 1997-11-15 2194 Riverside NW Palomar Mtns, Agua Tibia Mtns: N face of Dorland Mtn, on the north side of the Dorland Mtn Arts Colony. Along the margins of a small man-made pond. 549 Comment
  RSA69703  Mentzelia affinis F. W. Peirson 1928-3-11 7713 Riverside 8 miles SE of Palm Springs, Riverside County. Comment
  JOTR34485  Mentzelia albicaulis Andre, Jim 2012-4-16 20969 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  UCR232388  Mentzelia desertorum Dave Silverman, Onkar Singh 2010-3-27 7854 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 5.4 km WSW of Mesaville siding, west of A Canal/Levee Blvd, & c. 7.6 km N of Blythe Airport 136 Comment
  JOTR31891  Mentzelia involucrata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2141 Riverside Joshua Tree National Park. West Cottonwood Mountains; southeast edge of Pinkham Wash, east of Pinkham Canyon Road; rocky flats between small drainages in mouth of Pinkham Wash Comment
  POM14007  Mentzelia involucrata P. A. Munz, D. D. Keck 1922-4-9 4827 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA698073  Mentzelia involucrata J. R. Bruff 1928-4-2 93 Riverside Whitewater. Comment
  UCR167459  Mentzelia involucrata John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR244910  Mentzelia involucrata Jim Andre 2012-3-19 21379 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  UCR256329  Mentzelia involucrata Duncan S. Bell 2012-3-18 3193 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, c. 2.8 air miles southwest of Hidden Spring 20 Comment
  CHSC8267  Mentzelia involucrata var. megalantha Edward L. Smith 1957-4-3 235 Riverside Located 1 mi. n hwy. 99 to La Palms, Calif., in a wash. San Bernardino Mts. 91 Comment
  RSA78453  Mentzelia involucrata var. megalantha Verne Grant, Alva Grant 1952-4-1 17518 Riverside 9 miles E of Mecca Comment
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Dec 14 2011
  RSA796509  Mentzelia micrantha Robert F. Thorne, E. W. Lathrop 1977-5-18 49719 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UCR220324  Microseris douglasii D. E. Bramlet 1992-4-3 2210 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  UCR112009B  Microseris douglasii subsp. douglasii A. C. Sanders, T. B. Salvato 2000-5-25 23410 B 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
  UCR75549  Microseris douglasii subsp. douglasii A. C. Sanders 1993-5-12 14018 Riverside Hemet, W side of Warren Road, 1/2 mi south of Florida Ave (Hwy 74), b/w the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd 457 Comment
  RSA95084  Microseris douglasii subsp. douglasii F. W. Peirson 1922-4-30 2952 Riverside Plains one mile west of Lakeview, San Jacinto Valley 427 Comment
  RSA585877  Microseris douglasii subsp. platycarpha D. L. Banks, S. D. Boyd 1995-5-9 0353 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  UCR112009A  Microseris douglasii subsp. platycarpha A. C. Sanders, T. B. Salvato 2000-5-25 23410 A 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
  RSA656545  Microseris heterocarpa A. C. Sanders 2000-5-25 23407 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  UCR165190  Microseris lindleyi S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  UCR171987  Microseris lindleyi John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  RSA0018790  Mimetanthe pilosa Scott D. White, Angelia Carey 2004-6-4 10472 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  RSA442712  Mimulus aurantiacus var. puniceus N. C. Cooper 1949-3-18 3161 Riverside Elsinore. 244 Comment
  SDSU12270  Mimulus aurantiacus var. puniceus Jeremy Mass, Ryan Jacobsen 2000-4-19 17 Riverside Near fork in the road leading down to the canyon and growing throughout Stone Creek area near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 251 Comment
  UC1292579  Mimulus aurantiacus var. puniceus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23105 Riverside 10 mi n Pala (on road to Elsinore) Comment
  UCR158336  Mimulus aurantiacus var. puniceus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30073 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
  UCR251705  Mimulus aurantiacus var. puniceus T. B. Salvato, Mike Landers 2013-3-21 7412 Riverside Perris-Aguanga Basin, Murrieta, at the northwest corner of the intersection of Baxter Road and Menifee Road 453 Comment
  RSA522285  Mimulus brevipes Steve Boyd, Orlando Mistretta, Walter Wisura 1989-5-30 3745 Riverside Lake Skinner County Pk, S. base of Bachelor Mtn Comment
  SEINET3078508 Image available Mimulus cardinalis Emily E. McGregor 1972-5-21 s.n. Riverside Santa Ana River bottom, off Freemont Drive Comment
  RSA606285  Mimulus diffusus Jon E. Keeley 1994-4-22 25326 Riverside Shipley Reserve 670 Comment
  UCR114831  Mimulus floribundus Mitch Provance 1998-4-21 1113 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Hill Park, 0.7 km west of Pyrite St. on the north side of Granite Hill Dr. 305 Comment
  UCR12597  Mimulus floribundus Bill Schultz 1972-4-30 720430- 10 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn where palm trees are west of dump 2 mi south of Mt. Rubidoux 305 Comment
  UCR167822  Mimulus guttatus T. B. Salvato, Melissa Clemons 2005-6-2 1347 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR201997  Mimulus guttatus Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR241497  Mimulus guttatus Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 218 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR60543  Mimulus guttatus subsp. guttatus K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 893 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  JEPS10766  Mimulus inodorus W. L. Jepson 1903-8-8 2300 Riverside Tauquitz Valley San Jacinto Mt. 2286 Comment
  UC922770  Mimulus nasutus Annie M. Alexander and Louise Kellogg 1940-3-21 885 Riverside 20 mi s Twenty Nine Palms (at base of Barker Dam); Mohave Desert 1322 Comment
  JEPS3007  Mimulus palmeri Frank W. Peirson 1929-5-4 Riverside summit St. John's Grade 792 Comment
  UCSC000878  Mimulus pilosus Peter Kamb 1948-7-4 1174 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  RSA773172  Minuartia douglasii Duncan S. Bell, Valentin Arvizu 2010-5-24 1111 Riverside San Bernardino National Forest: Garner Valley, approximately 3.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1385 Comment
  UCR173154  Mirabilis californica Abby Sirulnik 2000-4-18 12 Riverside South Coast; Perris Basin, Motte Rimrock Reserve, NW of Perris 610 Comment
  CAS-BOT-BC434680  Mirabilis laevis var. crassifolia Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  NY199128  Mirabilis laevis var. crassifolia D. K. Christopher 2003-4-6 101 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Road 540 Comment
  UC194830  Mirabilis laevis var. retrorsa S. B. Parish 1916-5-18 10847 Riverside Cottonwood Spr., Colorado Desert 792 Comment
  UCR243169  Mirabilis laevis var. retrorsa LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4334 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  UC1563079  Mirabilis laevis var. villosa Steve Boyd and Orlando Mistretta 1986-3-13 1480 Riverside ne Desert Center (first large canyon at nw tip of western segment of range); w side Palen Mts Comment
  UC177219  Modiola caroliniana F. M. Reed 1914-7-18 3679 Riverside near Massachusetts Curve (Riverside and vicinity) 312 Comment
  HSC28442  Mohavea confertiflora R. W. Spjut 1973-4-10 3295 Riverside Colorado Desert: N slopes of the Chuckawalla Mtns., 3-4 mi. directly S of Desert Center 305 Comment
  JEPS26448  Mohavea confertiflora Peter H. Raven 1958-1-23 11432 Riverside Fargo Canyon Comment
  JEPS9870  Mohavea confertiflora W. L. Jepson 1927-4-12 11661 Riverside Colorado Desert, Mecca Hills, Painted Canyon Painted Canyon; Colorado Desert, Mecca Hills, Painted Canyon 76 Comment
  RSA408770  Mohavea confertiflora Robert Gustafson 1983-3-27 2479 Riverside Dry rocky canyon southwest of Lake Cahuilla. Comment
  RSA4943  Mohavea confertiflora Carl B. Wolf 1932-4-27 3054 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  RSA776945  Mohavea confertiflora Amber Swanson 2011-3-19 238 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  UC63746  Monardella breweri subsp. lanceolata Harvey M. Hall Sept. 1896 Riverside San Jacinto Mts. 1828 Comment
  UCD125187  Monardella breweri subsp. lanceolata R. N. Raynor 1938-6-20 s.n. Riverside Aguanga. Comment
  CLARK-A1528-575  Monardella lanceolata C. M. Flanagan 1973-5-31 OO 602 Riverside Morongo Indian Reservation 914 Comment
  POM13335  Monardella linoides subsp. linoides E. C. Jaeger 1921-3-10 1099 Riverside Santa Rosa Mtns, Upper Deep Canyon. 1220 Comment
  LA205750  Monardella nana Carl Epling; 1935-6-30 sn Riverside Fuller's Mill Camp, Mt. San Jacinto Comment
  LA205778  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 96 Riverside Banning-Idyllwild road. 2 mi. beyond Stone Creek Comment
  POM11507  Monardella nana P. A. Munz 1922-7-6 s.n. Riverside Between Tahquitz and Round Valley. 2287 Comment
  UC1499862  Monardella nana Elizabeth McClintock 1940-5-19 10 Riverside 2 miles off Pines to Palms Highway on road to Santa Rosa Mt. Comment
  RSA307235  Monardella nana subsp. arida Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2113 Riverside Santa Rosa Mountains. Comment
  RSA750407  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 66 Riverside 0.2 miles E of Ribbonwood Camp. Pines to Palms Highway. Comment
  RSA750417  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 54 Riverside About 5 miles from the Anza Monument turn off. Comment
  UCR113751  Monardella nana subsp. arida William LaHaye 1999-1 s.n. Riverside Santa Rosa Mtns, Near Santa Rosa Peak Comment
  SEINET10582211  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 51 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
  RSA750294  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 103 Riverside Black Mt. 0.5 mile beyond Black Mt. Spring. Comment
  UC1499805  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 109 Riverside trail to Deer Springs (below third spring which crosses trail); San Jacinto Mts. Comment
  UC1499815  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-17 118 Riverside trail to Suicide Rock (along a level stretch a short distance below the top); San Jacinto Mts. Comment
  UCR123188  Monardella robisonii A. C. Sanders, Mark Elvin 2001-8-17 24618 Riverside Mojave Desert, Little San Bernardino Mtns, near Hidden Valley Campground at 'Echo T,' Joshua Tree National Park 1311 Comment
  CAS-BOT-BC349802  Monoptilon bellioides Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  POM305598  Monoptilon bellioides Henry J. Ramsey, Henry J. Ramsey 1937-3-2 884 Riverside Betw Desert Center and Indio Comment
  POM8412  Monoptilon bellioides Mary F. Spencer 1920-4-7 1479 Riverside Palm Canyon, Colorado Desert 183 Comment
  SBBG60710  Monoptilon bellioides Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  SEINET2053855 Image available Monoptilon bellioides I. Rauch 1968-4-9 Riverside Palm Desert, Dead Indian Creek wash. 152 Comment
  SEINET7063567  Mucronea perfoliata A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  UCR164291  Muhlenbergia asperifolia S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  CLARK-A1528-4756  Muhlenbergia microsperma John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  UCR264227  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
  UCR2568  Muhlenbergia rigens F. M. Reed 1906-6-10 996 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, upper south fork of Arroyo Tequesquite 442 Comment
  CAS-BOT-BC83351  Myosurus minimus Robert F. Thorne; Earl Lathrop 1969-5-12 37949 Riverside Santa Rosa Plateau-Mesa de Colorado, Rancho California. 624 Comment
  UCR20438  Myosurus minimus subsp. apus John C. Roos 1952-4-9 5515 Riverside Rolling flats at Edgemont, near Box Springs 488 Comment
  UCR77754  Myosurus minimus subsp. apus Steve Boyd, D. E. Bramlet 1991-3-13 6227 Riverside Winchester Valley between Winchester & Hemet along upper Salt Creek drainage. Pasture north of Santa Fe RR tracks, west of San Diego Aqueduct. Comment
  UCR65270  Najas marina Steve Boyd, Orlando Mistretta 1989-7-18 3761 Riverside Peninsular Range, Vail Lake area, along W shore of lake 0.5 mi south of the dam 427 Comment
  RSA421101  Nama demissa M. B. Dunkle 1937-3-25 4937 Riverside Colorado Desert. Comment
  RSA421111  Nama demissa I. W. Clokey 1935-4-17 6812 Riverside Cottonwood Springs. Comment
  RSA676162  Nama demissa Scott D. White 2001-4-3 8240 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA717451  Nama demissa Scott D. White, Andrea Warniment 2006-3-22 11263 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  CLARK-A1528-2984  Nama stenocarpa John C. Roos 1951-10-19 5327 Riverside San Jacinto Valley 457 Comment
  POM10017  Nassella cernua C. F. Baker 1909-05 s.n. Riverside Fairmont Hill. Comment
  SEINET244817  Nassella lepida A. C. Sanders 2002-4-22 24991 Riverside The badlands: marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont. Burnt chaparral. 670 Comment
  RSA192023  Navarretia atractyloides E. W. Lathrop 1960-6-6 4836 Riverside 14 miles west of Murrieta. Comment
  UCR174316  Navarretia atractyloides A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32558 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA550478  Navarretia fossalis D. E. Bramlet 1992-5-15 2285 Riverside San Jacinto Wildlife area/ Drying bed of a shallow lake, some 60 m. west of the old San Jacinto channel levee. The site is found 730m from the intersection of the old San Jacinto channel w/ the new San Jacinto River channel., The lake is approximatly 790m west of Davis road. 433 Comment
  RSA623557  Navarretia fossalis R. E. Riefner 1998-10-15 98 -520 Riverside Menefee-Paloma Valley Comment
  UCR25246  Navarretia fossalis John C. Roos 1952-5-28 5729 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 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
  RSA800111  Nemacaulis denudata var. gracilis Duncan S. Bell 2013-4-7 4763 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4.1 air miles south of the ghost town of Rice or approximately 3.3 air miles east northeast of Priests Well. 207 Comment
  SBBG61767  Nemacaulis denudata var. gracilis M. F. Spencer -- Riverside Mecca Comment
  UC472774  Nemacaulis denudata var. gracilis P. C. Standley 1920-4-6 1376 Riverside in vupibus pr. Palm Springs; Colorado Desert 121 Comment
  UCR279329  Nemacladus A. C. Sanders, Jim Malusa 2017-3-23 42940 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
  CLARK-A1528-2371  Nemacladus glanduliferus John C. Roos 1966-3-20 Riverside Comment
  OBI33602  Nemacladus glanduliferus J. C. Roos 1948-5-15 3851 Riverside Upper Lost Palms Cyn, Eagle Mts, Colorado Desert Comment
  UC416792  Nemacladus longiflorus var. longiflorus Fred M. Reed 1907-5-26 1367 Riverside n of Rubidoux Mt. (San Ana River banks, Riverside and vicinity); Riverside, Santa Ana River Comment
  UCR146262  Nemacladus longiflorus var. longiflorus Orlando Mistretta, Mark A. Elvin 1995-6-19 1782 Riverside Peninsular Ranges; San Jacinto Mountains, Highway 74 and Pacific Crest Trail 1494 Comment
  RSA591746A  Nemacladus orientalis J. C. Roos 1966-3-26 s.n. Riverside 2 mi S.E. of Desert Center. Comment
  RSA0121064  Nemacladus ramosissimus Duncan S. Bell, Thomas Stoughton 2016-3-16 8950 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  UCR121208  Nemacladus ramosissimus D. E. Bramlet 1991-5-10 2143 Riverside Perris-Aguanga Basin region, North Domenigoni Hills, 4300-4500 ft. SE from end of Warren Rd., W side of large peak in Sec. 31, just above saddle 610 Comment
  UCR174352  Nemacladus ramosissimus A. C. Sanders 2006-5-19 32391 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
  CAS-BOT-BC123187  Nemacladus tenuis var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern base of Indio mt., Colorado Desert 150 Comment
  RSA191997  Nemophila menziesii E. W. Lathrop 1960-3-25 4685 Riverside 14 miles west of Murrieta. Comment
  SD7439  Nemophila menziesii Daniel Cleveland 1882-4-24 Riverside Temecula Comment
  UCR225212  Nemophila menziesii T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5166 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  UCSB46709  Nemophila menziesii James, Susanne 1977-4-7 Riverside South of Lake Matthews; southern Riverside Co., CA 457 Comment
  RSA0059611  Nemophila menziesii 1917-4-4 Riverside Palm Canyon 762 Comment
  RSA0028793  Nemophila menziesii var. integrifolia N. C. Cooper 1944-5-20 1310 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  RSA80731  Nicotiana clevelandii F. W. Peirson 1928-3-10 7709 Riverside Along sides of main canyon near Hidden Springs, northeast of Mecca. Comment
  SEINET3077687 Image available Nicotiana glauca Paul M. Estes 1962-3-3 005 Riverside In hills behind UCR campus. 335 Comment
  SD260130  Nicotiana obtusifolia J. Andre 2012-4-11 20776 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep hills and large wash. 729 Comment
  UCR233547  Nicotiana obtusifolia Jim Andre, Glenn L. Clifton 2011-2-22 17416 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  UCR111765  Nicotiana quadrivalvis Mitch Provance 1998-3-17 211 Riverside Jurupa Mountains, 'Pyrite Canyon', in the central dune area c. 1km south of the end of Savonia Dr. in Southridge, Fontana. 305 Comment
  RSA153428  Oenothera cardiophylla subsp. cardiophylla M. French Gilman 1927-12-31 s.n. Riverside Pinto Basin, Colo. Desert. Comment
  RSA0013274  Oenothera deltoides April Garbat, Sarah J. De Groot 2013-4-9 46 Riverside Blythe-Rice Rd at a wash at the bottom of Rice Valley, 1.9 mi S of Hwy 62. 243 Comment
  SEINET10492365  Oenothera dentata var. parishii David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3704 Riverside Yellow. Found growing in a wash. Indio hills. Near pushawalla. Comment
  POM158192  Oenothera elata subsp. hirsutissima P. A. Munz, I. M. Johnston 1928-9-6 11276 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  CAS-BOT-BC427459  Oligomeris linifolia H. M. Hall 1905-6-1 6238 Riverside Vicinity of Riverside 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
  JEPS65558  Olneya tesota Marjorie Clary 1931-5-31 313 Riverside Mecca Comment
  UCR232066  Oncosiphon piluliferum John F. Green 2008-4-24 13- 06 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  UCR241846  Oncosiphon piluliferum A. C. Sanders 2013-4-17 40806 Riverside Peninsular Range; Eastern Foot of Gavilan Hills, Hwy 74 between Lake Elsinore and Meadowbrook, 0.1 km NE of Wasson Canyon Rd. intersection 499 Comment
  UCR256754  Oncosiphon piluliferum T. B. Salvato, Matthew Malle 2013-5-20 7568 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  POM281232  Opuntia basilaris var. basilaris H. G. Rush 1951-6-3 200 Riverside 34 miles North of Blythe on hwy 95. 91 Comment
  POM284056  Opuntia vaseyi Lyman Benson 1955-12-6 15618 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  UCD150804  Orcuttia californica Tom Griggs 1976-6-16 s.n. Riverside Riverside County, Santa Rosa Plateau, Mesa de Burro. Elevation estimated with Google Earth. 609 Comment
  RSA0070480  Orobanche cooperi subsp. cooperi Edmund C. Jaeger 1921-3-20 1056 Riverside Salton, Colorado Desert. Comment
  RSA0059226  Orobanche cooperi subsp. latiloba Carl B. Wolf 1932-4-29 3113 Riverside Eastern Colorado Desert, 4 mi. So. of Brown's Well, on the Blythe-Rice road. 213 Comment
  UCR21186  Orobanche fasciculata A. C. Sanders 1980-5-1 1382 Riverside San Jacinto Mtns, Garner Valley area, 0.7 mi NE of the Kenworthy R.S. on Morris Ranch Rd. 1524 Comment
  UCR20870  Orobanche parishii subsp. parishii A. C. Sanders 1978-9-17 945 Riverside San Jacinto Mtns., James Reserve above Lake Fulmor 1646 Comment
  POM259671  Orthocarpus purpurascens Philip A. Munz 1940-3-22 15659 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  RSA402102  Orthocarpus purpurascens var. purpurascens Christopher Davidson 1973-4-1 1829 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  UCR59932  Osteospermum fruticosum Ed LaRue 1989-5-8 s.n. Riverside Peninsular Range, Mockingbird Canyon area, south of Van Buren Blvd and c. 1/2 mi (airline) east of Mockingbird Canyon Road. Comment
  UC303759  Oxalis albicans subsp. californica I. M. Johnston 1918-5-30 1998 Riverside Temescal Canyon 365 Comment
  UCR50584  Oxalis californica B. G. Pitzer, E. Misquez 1988-2-28 0635 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  POM229449  Oxytheca emarginata P. A. Munz 1937-5-30 15081 Riverside Northwest slope of Santa Rosa Mt. 2134 Comment
  UCR76063  Paeonia californica B. G. Pitzer, Stu Hemstreet 1992-5-21 1937 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
  CAS-BOT-BC327907  Palafoxia arida Roxana S. Ferris 1918-6-14 967 Riverside Desert near Palm Springs Comment
  CAS-BOT-BC327918  Palafoxia arida Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  UCR100126  Palafoxia arida B. G. Pitzer 1997-10-19 3351 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCR249510  Palafoxia arida T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7280 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  CAS-BOT-BC154115  Palafoxia linearis N. Aitkenhead 1977-2-2 s.n. Riverside 2 mi. W. of junction of 1000 Palms Canyon Rd & T/L Comment
  POM78935  Panicum capillare I. M. Johnston 1925-7-1 s.n. Riverside Riverside Comment
  RSA724047  Panicum dichotomiflorum subsp. dichotomiflorum R. E. Riefner 2004-9-18 4 -435 Riverside City of Corona, E of Santa Ana Canyon along Santa Ana River, ca. 0.5 mi S of 71 Freeway. 135 Comment
  UCR229508  Panicum urvilleanum Ginny Short 2011-3-26 s.n. Riverside Sonoran (Colorado) Desert, Thousand Palms Canyon Rd., c. 9 miles due east of Cathedral City 183 Comment
  SD262333  Papaver californicum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood. 2017-4-14 417 27 Riverside Peninsular Ranges: Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way (Romoland 7.5'Q) 591 Comment
  CLARK-A1528-4390  Parietaria floridana John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA263697  Parietaria hespera var. californica E. W. Lathrop 1969-5-8 7011 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCR126369  Parietaria hespera var. californica A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 677 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR255954  Parkinsonia florida Deidre Conocchioli, Duncan S. Bell 2014-3-11 151 B Riverside Devil Canyon in the Santa Rosa Wilderness Area, west of Coachella Valley, 3 mi south of Lake Cahuilla 110 Comment
  RSA0054939  Parosela spinosa Keith E. Hoffmaster 1937-6-6 815 Riverside Palms to Pines Highway, desert end. Comment
  CAS-BOT-BC259739  Paspalum distichum H. A. Zuill 1966-6-19 230 Riverside Cole Canyon, about 1-2 miles [?] Murrieta Comment
  RSA733145  Paspalum vaginatum R. E. Riefner 2005-8-7 5 -596 Riverside Indian wells, tributary to Whitewater River, Hwy. 111 near Point Happy. 20 Comment
  SEINET6196074  Pectis papposa Stephanie Rockwood, Christi Gabriel 2011-1 119 Riverside Colorado Desert; Northeastern Colorado Desert region:Ford Dry Lake Area' Pallen Dunes Road. 110 exit 217. Chuckwalla Valley. (Hopkins Well: T6S R20E S31) 109 Comment
  UCR18677  Pectis papposa Frank C. Vasek 1971-9-9 710909- 03 Riverside Sonoran (Colorado) Desert, about 4 mi SE from junction Iron Mtn. Rd. and Rice Rd., along Aqueduct Rd. Comment
  SEINET10799086  Pectis papposa David B. Dunn 1946-8-17 Dunn 2719 Riverside Round meadow dry hillside among Lodge Pole Pines. San Jacinto Mts. 2438 Comment
  RSA780276  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 103 Riverside Unnamed Road heading toward Arica Mountains. Off Blythe/Rice Road. Base of Aricas. 334 Comment
  SFV7079  Pectis papposa var. papposa T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 779 Riverside Sandy wash along Agnes Wilson Road about 1.5 miles east of U.S. Highway 95. 104 Comment
  UCR274823  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 093 Riverside Southcentral Mojave Desert, Rice Valley, Hwy 62 to Blythe Rice Road, c. 1 mile from the hwy 229 Comment
  UCR116624  Pectocarya anisocarpa A. C. Sanders 2001-3-20 23852 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
  UCR20304  Pectocarya heterocarpa John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  UCR101099  Pectocarya linearis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19857 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA180305  Pectocarya linearis subsp. ferocula E. W. Lathrop 1960-3-11 4656 b Riverside 5 miles west of Murrieta. Comment
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Apr 28 2011
  RSA543761  Pectocarya linearis subsp. ferocula Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6061 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA611563  Pectocarya linearis subsp. ferocula R. S. Woglum 1939-4-22 2194 Riverside Peninsular Ranges: Near Aguanga; Cleveland National Forest. Comment
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Jun 9 2012
  UCD120129  Pectocarya linearis subsp. ferocula T. B. Salvato; A. C. Sanders 2005-5-17 888 Riverside San Jacinto Mtn foothills San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and N of Calif. Hwy 74. 549 Comment
  SEINET6973498  Pectocarya linearis var. ferocula A. G. Vestal 1962-3-29 s.n. Riverside 4.6 miles northeast of Murrieta. Comment
  SDSU21548  Pectocarya penicillata Mary V. Hood 1945-3-25 Riverside Aguanga, Riverside Co. 597 Comment
  UCSB46750  Pectocarya penicillata Roos, John 1966-4-5 Riverside In the hills near Winchester 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
  RSA77866  Pectocarya recurvata F. W. Peirson 1920-2-16 1012 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  RSA800055  Pectocarya recurvata J. Andre 2012-3-19 21316 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
  SEINET3105402  Pectocarya recurvata Faulkner 1978-3-15 277 Riverside 1 mile West Hwy 95; 25 miles N. of Blythe. 152 Comment
  UCR279560  Pectocarya recurvata A. C. Sanders, Jim Malusa 2017-3-29 43178 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  RSA0119987  Pectocarya setosa Duncan S. Bell, Thomas Stoughton 2016-4-13 9265 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UCR104692  Pedicularis densiflora G. F. Pratt 1998-2-5 s.n. Riverside Peninsular Range, Big Oak Mountain, north of Vail Lake, near the summit of peak on N side. 915 Comment
  UCR91598  Pedicularis densiflora D. L. Banks, Steve Boyd 1995-3-15 0060 Riverside NW Palomar Mtns, Agua Tibia Mountains Watershed: Agua Tibia Wilderness Area, N face of Agua Tibia Mountain, Dorland Mountain area 680 Comment
  UCSB18151  Pediomelum californicum Gates, Mary 1964-5-17 Riverside Pinyon Flats Campground, State Highway 74, 25 miles SE of Indio 1219 Comment
  CLARK-A1528-3592  Pellaea andromedifolia John C. Roos 1952-4-29 5597 Riverside Reche Canyon 457 Comment
  UCR240655  Pellaea andromedifolia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 43 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 Comment
  SBBG35016  Pellaea mucronata T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns Comment
  UCR148849  Pellaea mucronata Chet McGaugh 2005-1-6 s.n. Riverside Peninsular Range, east of Lake Skinner, between Calle Jojoba and Cielita, SE of Tucalota Hills and of Benton Rd. 549 Comment
  IRVC3154  Pellaea mucronata var. californica R. H. Whittaker, W. A. Niering 1963-5-29 SJ 49 Riverside Above N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 671 Comment
  JEPS44371  Pellaea mucronata var. californica Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4251 Riverside just below Toro Peak (s of the saddle, e of the peak); Santa Rosa Mts 2499 Comment
  POM11142  Pellaea mucronata var. mucronata P. A. Munz 1922-7-1 5939 Riverside Santa Rosa Mts: Old Nicholas Canyon. 1432 Comment
  UC812405  Pellaea mucronata var. mucronata C. L. Hitchcock 1940-4-12 6043 Riverside 8 mi nw of Elsinore 457 Comment
  RSA678882  Pennisetum setaceum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10451 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
  UC454143  Penstemon X parishii I. J. Condit 1910-6-24 Riverside road to Idyllwild lower foot hills San Jacinto Mts. (lower foot hills San Jacinto Mts.) Comment
  LA35151  Penstemon clevelandii Mary V. Hood; 1939-12-30 39- 159 -k* Riverside Santa Rosa Mountains, Pines to Palms Hwy 1127 Comment
  CAS-BOT-BC265294  Penstemon clevelandii subsp. connatus Edmund C. Jaeger 1939-5-4 s.n. Riverside Pinon Alta Flats, Santa Rosa Mountains 1219 Comment
  RSA336421  Penstemon clevelandii subsp. connatus Robert F. Thorne, Smida, Whittaker 1978-4-23 52077 Riverside Bighorn Lookout; Santa Rosa Mountains, along Palms to Pines Hwy Comment
  NY583957  Penstemon clevelandii var. connatus F. W. Pennell 1940-4-28 25287 Riverside Route 74, above Ribbonwood, east of San Jacinto Range 1402.1 Comment
  UCSB11543  Penstemon spectabilis Otto, Karen 1962-5-5 Riverside 6.5 miles south of Banning on road to Idyllwild 1158 Comment
  RSA720465  Pentachaeta aurea Naomi Fraga, Tim Thibault 2006-5-16 1671 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  RSA0070919  Pentagramma maxonii L. S. Rose 1966-12-14 66109 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  SD224780  Pentagramma triangularis Scott D. White 1996-3-23 3843 Riverside Santa Rosa Hills, SE of Hemet (Loomis property: Friendly Hills Ranch) 594 Comment
  SEINET3873568  Pentagramma triangularis subsp. triangularis Lewis S. Rose 1966-12-14 66109 Riverside Chino Canyon, 3 mi. west of Palm Springs.; 0 671 Comment
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Apr 6 2018
  LA204582  Peritoma arborea Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  CAS-BOT-BC77531  Peritoma arborea var. arborea L. S. Rose 1927-2-3 s.n. Riverside Palm Springs Comment
  JOTR31862  Peritoma arborea var. arborea La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2118 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  CAS-BOT-BC355916  Perityle W. C. Gagne 1968-3-16 s.n. Riverside Wash in Deep Canyon, Boyd Desert Res. Center in Palm Desert Comment
  CAS-BOT-BC355991  Perityle emoryi D. E. Breedlove 1962-3-11 1888 Riverside Cat Creek wash, 3 miles southwest of Palm Desert 426 Comment
  CAS-BOT-BC355996  Perityle emoryi L. R. Abrams 1926-3-26 11012 Riverside Palm Springs Comment
  POM41582  Perityle emoryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA695702  Perityle emoryi J. R. Bruff 1927-10-8 I-J Riverside Thousand Palms Comment
  UCR102696  Perityle emoryi B. G. Pitzer 1998-1-24 3379 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR103554  Perityle emoryi George K. Helmkamp 1998-1-17 2539 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  POM12018  Petalonyx linearis E. C. Jaeger 1920-4-7 1197 Riverside Rockhouse Canyon, Santa Rosa Mts. Comment
  RSA247995  Petalonyx thurberi Robert F. Thorne, S. T. Blake 1965-6-1 34712 Riverside Morongo Valley pass 488 Comment
  SEINET11978708  Petalonyx thurberi Unknown 1936-1 12554 Riverside Colorado Desert N of Palm Springs Comment
  JOTR30075  Petalonyx thurberi subsp. thurberi La Doux, Tasha, Bill Truesdell 2006-10-3 1718 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  UC56520  Petalonyx thurberi subsp. thurberi W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1865 Riverside e. base San Jacinto Mt. 609 Comment
  JEPS37154  Peucephyllum schottii W. L. Jepson 1927-4-12 11682 Riverside Painted Canyon Mecca Hills 76 Comment
  RSA426004  Phacelia ambigua N. C. Cooper 1949-4-8 3259 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  POM307237  Phacelia brachyloba Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2111 Riverside Santa Rosa Mountains. Comment
  RSA507479  Phacelia brachyloba Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  UCR160706  Phacelia brachyloba Ian G. Gillespie, Summer Karsh 2000-5-13 43 Riverside San Jacinto Mtns., Twin Pines Ranch Road off of Hwy 243, below McMullen Flat 1250 Comment
  RSA314657  Phacelia campanularia Robert F. Thorne, Mrs. Raymond Fosberg, Derral Herbst, M. H. Sachet 1983-4-23 55493 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  SBBG25054  Phacelia campanularia D. Myrick 1966-4-2 1333 Riverside upper end of Aqueduct Rd, SE of Desert Hot Springs Comment
  JEPS1113  Phacelia campanularia subsp. campanularia S. Walker 1937-3-24 Riverside Deep Canyon Santa Rosa Mountains Comment
  SD244170  Phacelia cicutaria var. hispida A. C. Sanders, Timothy W. Chumley 2013-4-2 40757 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, south of I-15 Fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 405 Comment
  UC881077  Phacelia cicutaria var. hispida C. L. Hitchcock 1940-4-12 6040 Riverside 8 mi nw Elsinore 457 Comment
  UCR174964  Phacelia cicutaria var. hispida Teresa Nieto 2005-4-24 23 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  SEINET3091912 Image available Phacelia davidsonii Steve Myers, Ed LaRue 1989-3-20 Riverside Palmedale area, Elizabeth Lake Road at California Aqueduct. Comment
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May 19 2016
  UCR80792  Phacelia davidsonii Scott D. White 1993-5-29 1445 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  CAS-BOT-BC133957  Phacelia distans John H. Thomas 1957-3-29 6517 Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks. 609 Comment
  CDA40381  Phacelia distans T. C. Fuller 1962-4-4 7999 Riverside Highway 99 [later renumbered Highway 86], 0.4 mile south of Oasis. 0 Comment
  CLARK-A1528-558  Phacelia distans C. M. Flanagan 1973-4-14 OO 104 Riverside Sunnymead 579 Comment
  CLARK-A1656-681  Phacelia distans Milton Walker 1978-3-10 Riverside Joshua Tree National Park Comment
  RSA426209  Phacelia distans N. C. Cooper 1945-5-24 1633 Riverside Big Oaks Canyon, Banning 1220 Comment
  RSA426219  Phacelia distans Christopher Davidson, Robert Gustafson 1977-4-7 5574 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  RSA426250  Phacelia distans H. de Forest, Jack Rempel 1934-4-14 19807 Riverside San Gorgonio Pass. 602 Comment
  SBBG119453  Phacelia distans A. C. Sanders 2004-5-12 27861 Riverside Walker Cyn at N foot of Alberhill Mtn, Temescal Crk 378 Comment
  UCR279474  Phacelia distans A. C. Sanders, Jim Malusa 2017-3-29 43191 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  HSC86135  Phacelia imbricata subsp. patula B. Freeman, David Hagstrum 1969-6-28 69062811 Riverside San Jacinto Mtns., University of California James Reserve, bank overlooking Indian Creek Comment
  RSA622  Phacelia imbricata subsp. patula J. T. Howell 1927-8-2 559 Riverside Strawberry Valley, Mt San Jacinto. 1677 Comment
  CAS-BOT-BC227842  Phacelia minor Amanda Lovelady; A. C. Sanders; Giles Waines; UCR Plant Taxonomy Class 2007-5-12 13 Riverside Peninsular Range; San Jacinto Mtns.: dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  HSC78991  Phacelia minor K. Berg 1981-5-1 353 Riverside San Jacinto Mtns. along Banning-Idyllwild Hwy. (243) below Mt. Eden Comment
  JEPS1177  Phacelia minor W. L. Jepson 1935-4-21 17158 Riverside sw Riverside Co. Aguanga 603 Comment
  OBI8236  Phacelia minor David J. Keil, Malcolm McLeod 1977-3-26 12002 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  RSA60725  Phacelia minor Frank W. Gould 1944-4-4 2212 Riverside 9 miles southeast of Temecula on highway 71. Comment
  UC218087  Phacelia minor P. A. Munz and I. M. Johnston 1922-5-19 5356 Riverside 5 mi ne Murietta 457 Comment
  UC974998  Phacelia minor Rimo Bacigalupi and J. F. MacBride 1952-3-30 3552 Riverside along US 395 2.6 mi n Murrieta (w-facing hillslope between Wildomar and Murrieta, sw Riverside Co.) Comment
  UCR103178  Phacelia minor Scott D. White, Julie Greene 1997-3-12 4773 Riverside Pedley area, S foot of Jurupa Hills: Just north of State Route (Fwy) 60 at Pedley exit. 305 Comment
  UCR116967  Phacelia minor A. C. Sanders, T. B. Salvato 2001-5-3 24092 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR167818  Phacelia minor A. C. Sanders 2005-4-21 29578 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 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
  RSA554652  Phacelia neglecta A. C. Sanders, E. J. Lawlor 1992-4-4 12090 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA351343  Phacelia parryi Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60626 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  CAS-BOT-BC145003  Phacelia ramosissima var. latifolia John Thomas Howell 1927-8-2 2906 Riverside Near Banning on road to Strawberry Valley, Mt. San Jacinto 670 Comment
  POM122256  Phacelia ramosissima var. latifolia Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA428273B  Phacelia rotundifolia E. C. Jaeger 1922-3-25 752 Riverside Murray Canon, near Palm Springs. 305 Comment
  HSC79409  Phacelia tanacetifolia Gerald Kaufman 1966-3-15 17 Riverside 2 mi. outside Palm Springs toward Indio, Cathedral City Blvd. 137 Comment
  SEINET5499544  Phacelia vallis-mortae H. M. Hall 1897-3-27 415 Riverside Sage Comment
  RSA575989  Phalaris minor Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills Region, Gavilan Plateau along Lake Mathews Road, south of Gavilan Peak. 640 Comment
  SD128015  Phleum alpinum Michael Curto 1989-8-6 599 Riverside San Jacinto Mts, Fuller Ridge Trail, at springy N headwaters of Fuller Mill Cr. 2695 Comment
  UCR121693  Phlox gracilis A. C. Sanders 2002-5-4 25043 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  RSA678116  Pholisma arenarium Valerie L. Soza, Steve D. Boyd, Neil Gilbert 2000-12-6 1062 -b Riverside Bautista Canyon, alongside Bautista Canyon Road, across from Bautista Conservation Camp. 854 Comment
  RSA709638  Pholistoma auritum A. C. Sanders, Guy Bruyea 2004-4-2 27444 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  CAS-BOT-BC135108  Phoradendron californicum W. R. Dudley 1903-12-31 s.n. Riverside Indio Comment
  LA209835  Phoradendron californicum F. M. Scott; April 1928 sn Riverside Thousand Palms Comment
  RSA0108815  Phoradendron californicum Duncan S. Bell, Amanda Turek 2009-3-30 189 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  POM2144  Phoradendron macrophyllum I. M. Johnston 1917-12-1 1810 Riverside Santa Ana River, NW of Corona. 183 Comment
  RSA698147  Phoradendron macrophyllum J. Vlahos 1934-01 s.n. Riverside Ortega Highway Comment
  SD155415  Phoradendron pauciflorum Craig Reiser 2002-5-27 Riverside Santa Rosa Peak, north of east-west fire road, below peak. Comment
  CAS-BOT-BC141174  Phoradendron serotinum subsp. macrophyllum I. M. Johnston 1917-12-1 1810 Riverside Santa Ana River NW of Corona 182 Comment
  POM12141  Phoradendron villosum Mary F. Spencer 1921-6-13 s.n. Riverside Idyllwild 1616 Comment
  RSA97450  Phoradendron villosum F. W. Peirson 1924-7-28 5009 Riverside Pine Flats Camp 1799 Comment
  IRVC28190  Physalis crassifolia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11216 Riverside Choclate-Chuckwalla Mtns region; W base of the Choclate Mtns, small cyn, ca. 1.25 mi. N of Imperial Co. line and about 3.75 mi. W of aquaduct; accessed by dirt road off of main aquaduct road at siphon station. Within boundary of US Navy Choclate Mtn ... Colorado Desert Comment
  RSA423815  Physalis crassifolia M. B. Dunkle 1933-3-4 3065 Riverside Painted Canyon, Colorado Desert. 30 Comment
  UC729934  Pinus flexilis Carl B. Wolf 1932-8-5 3982 Riverside summit of San Jacinto Peak San Jacinto Mountains, San Jacinto Peak 3293 Comment
  MACF014862  Pinus monophylla Marsha A. Miller 1964-12-5 32 Riverside Highway 74, roadside 1219 Comment
  UCSB95  Pinus monophylla Philbrick, Ralph 1953-6-10 Riverside Joshua Tree National Monument Comment
  UCR19284  Pinus quadrifolia John C. Roos 1947-4-5 3436 Riverside San Jacinto Mtns., Head of Thomas Valley 1463 Comment
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Oct 25 2011
  SEINET10530818  Pinus quadrifolia David B. Dunn, L. S. McClung 1939-10-22 Dunn UMO 46551 Riverside Native tree in the San Jacinto Mts. of southern Calif. in Pinyon-Juniper woodland. Along the Palms to Pines Hwy. 1829 Comment
  UCR30553  Piperia cooperi John C. Roos 1950-5-6 4791 Riverside Santa Ana Mtns., Hagador Canyon 427 Comment
  RSA334993  Piptatherum miliaceum Steve Boyd 1985-7-23 1018 Riverside De Luz Road, 8.0 miles west of Rancho California. Side canyon of Sandia Creek. 305 Comment
  CAS-BOT-BC170425  Pistacia atlantica A. C. Sanders 1994-5-15 14480 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River 400 Comment
  UCR98005  Plagiobothrys arizonicus George K. Helmkamp, E. A. Helmkamp 1997-3-5 1332 B Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  CLARK-A1528-2260  Plagiobothrys canescens John C. Roos 1966-3-24 Riverside Winchester Comment
  UCR140897  Plagiobothrys collinus Virginia Moran 2003-4-2 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 396 Comment
  RSA0057864  Plagiobothrys collinus var. fulvescens A. C. Sanders 2011-4-6 38996 Riverside 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 311 Comment
  SEINET10805514  Plagiobothrys collinus var. fulvescens Mitch C. Provance 2003-4-26 Provance 9895 Riverside Santa Ana River Vlley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery. Grassy clay slopes with patches of coastal sage scrub (Hemizonia abundant) between 900 and 1200 ft., becoming bouldery between 1200 and 1400 ft. with coastal sage scrub (Salvia mellifera common) 274 Comment
  SEINET2445416  Plagiobothrys glomeratus Daphne K. Christopher, Hannah Stevens 2003-4-3 83 Riverside Uc Riverside. Motte Rimrock Reserve. Off Hairstreak Trail. 536 Comment
  UC219099  Plagiobothrys leptocladus P. A. Munz and I. M. Johnston 1922-5-19 5369 Riverside Menifee Valley Comment
  POM368912  Plagiobothrys nothofulvus M. M. Thompson 1947-6-9 C 2061 Riverside Los Alamos Canyon, Elsinore 762 Comment
  SEINET7063023  Plagiobothrys nothofulvus A. G. Vestal 1962-3-29 s.n. Riverside Canyon south of Murrieta. Northeast side of the Santa Ana Mountains. UTM Zone 11, 483500mE, 3701101mN. (WGS84/NAD83). 256 Comment
  RSA695840  Plagiobothrys tenellus J. R. Bruff 1934-6-19 5506 Riverside San Jacinto Mountains Comment
  SEINET7063030  Plagiobothrys tenellus A. G. Vestal 1962-3-27 s.n. Riverside About 3.5 miles northeast of Lake Elsinore on Route 74. UTM Zone 11, 470760mE, 3730110mN. (WGS84/NAD83). 472 Comment
  UCR140328  Plantago elongata A. C. Sanders, Guy Bruyea 2004-4-2 27418 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
  UCR56012  Plantago erecta J. A. Adams 1966-3-12 441 Riverside Peninsular Range, Hwy 74, 5 mi east of Elsinore, toward Perris 503 Comment
  UCR91452  Plantago erecta Scott D. White 1995-3-30 2672 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  CSUSB1065  Plantago hookeriana Kirby W. Brown 1966-4-7 Riverside Highway 71, 6.8 miles east of Temecula. 365 Comment
  POM158181  Plantago major P. A. Munz, I. M. Johnston 1928-9-6 11267 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA412580  Plantago major H. de Forest, Jack Rempel 1933-10-29 18684 Riverside Snow Creek Canyon. 549 Comment
  UC1125638  Plantago ovata H. S. Yates 1937-3-23 5396 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UCD80960  Plantago ovata Chuck Hughes 2009-3-23 55 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCSB32743  Plantago ovata var. fastigiata Cowan, Clark 1974-4-6 Riverside 1 mi. from Palm Desert Golf Course; .5 mi. on dirt road from maintenance shed; near dump area 91 Comment
  UCR88307  Plantago patagonica A. C. Sanders, K. C. Rose 1995-4-5 16389 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR88866  Plantago patagonica A. C. Sanders, K. C. Rose 1995-4-5 16358 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  CAS-BOT-BC93211  Platanus racemosa Carl B. Wolf 1932-5-24 3647 Riverside Snow Creek Canyon, 0.5 mile below the fish hatchery, north base of San Jacinto Mountain. 548 Comment
  RSA125985  Platanus racemosa E. K. Balls, Percy C. Everett 1957-11-4 22742 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  RSA588170  Platanus racemosa D. L. Banks, Victor W. Steinmann 1995-7-10 748 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  UCR208855  Platanus racemosa C. B. Wolf 1932-5-24 3647 Riverside Peninsular Range; San Jacinto Mtns., Snow Creek Canyon, 1/2 mile below the fish hatchery, north base of San Jacinto Mtn. 549 Comment
  CLARK-A1528-1356  Platystemon californicus Cameron Duncan 1966-3-27 Riverside Woodcrest 548 Comment
  UC2029972  Platystemon californicus S. D. White, Bill La Haye 2000-5-27 7946 Riverside SAN JACINTO MOUNTAINS: Baldy Mtn. area. Comment
  UCR201468  Platystemon californicus Scott D. White, Justin M. Wood 2008-5-15 11983 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  POM128393  Plectritis ciliosa subsp. insignis Thomas Craig 1927-4-23 216 Riverside Glen Ivy. Comment
  RSA552739  Plectritis ciliosa subsp. insignis Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6761 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  POM1026  Pleuraphis rigida I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Colorado Desert. Comment
  RSA676044  Pleuraphis rigida Scott D. White 2001-4-17 8344 Riverside SONORAN DESERT: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freewayexit accessing pump station. 457 Comment
  SEINET3221554 Image available Pleuraphis rigida E. R. Blakley 1962-11-25 5481 Riverside 50 miles west of Blythe on U.S. Highway 60-70 122 Comment
  CAS-BOT-BC326639  Pleurocoronis pluriseta Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-20 6412 Riverside 12 airline miles north of downtown Blythe, Big Maria Mountains 289 Comment
  CAS-BOT-BC326649  Pleurocoronis pluriseta Edmund C. Jaeger 1922-3-18 s.n. Riverside Eagle Canyon 4 miles east of Palm Springs Comment
  JEPS18558  Pleurocoronis pluriseta W. L. Jepson May 17 1901-Jun 1 1901 1405 Riverside Palm Canyon of Mt. San Jacinto and return to Van Deventer's Mt. San Jacinto Comment
  RSA472091  Pleurocoronis pluriseta N. R. Zabriskie, Walter M. Zabriskie 1972-12-30 555 Riverside Callaway Canyon, Palm Canyon, E slope San Jacinto Mts. 244 Comment
  OBI15572  Pluchea sericea H. E. McMinn 1935-6-22 3933 Riverside 1/4 mi S of Elsinore Comment
  RSA645531  Poa annua Scott D. White 1993-3-12 1139 Riverside San Jacinto Valley: Perris Valley Pipeline. 439 Comment
  CAS-BOT-BC246626  Poa howellii S. B. Parish 1907-4-18 6141 Riverside Tahquitz on West Canon [Canyon], Palm Springs. Western border of the Colorado Desert 200 Comment
  CLARK-A1528-4828  Poa pratensis John C. Roos 1952-5-7 5622 Riverside Edgemont 487 Comment
  SBBG56756  Poa secunda R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2590 Comment
  UCR106051  Poa secunda A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20663 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
  UCR23303  Poa secunda John C. Roos 1952-4-2 5453 Riverside Edgemont, near Box Springs 488 Comment
  CAS-BOT-BC242998  Poa secunda subsp. secunda H. M. Hall 1900-6-1 1439 Riverside Lytle Creek Canyon, San Antonio Mountains 1752 Comment
  UCR26839  Polygonum convolvulus A. C. Sanders 1982-6-12 2717 Riverside Riverside, residential garden, 422 Campus View Drive 335 Comment
  RSA29893  Polygonum punctatum Louis C. Wheeler 1932-9-4 1320 Riverside Santa Ana River at Chino Creek. 183 Comment
  UCR49987  Polygonum punctatum S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  POM9369  Polypodium hesperium Robert Kessler 1921-10 s.n. Riverside North side of Tahquitz Peak, San Jacinto Mountains Comment
  RSA588606  Polypogon maritimus D. L. Banks, Steve Boyd 1995-10-17 0816 B Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground;, Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  SD137943  Polypogon monspeliensis Darin L. Banks, Steve Boyd 1995-10-17 768 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground, N of where the Arroyo Seco turns to the E Comment
  RSA799667  Populus fremontii subsp. fremontii LeRoy Gross, Bart O'Brien 2013-3-18 5951 Riverside Fairmount Park, west side of Lake Evans. Riverside. Northeast of Mount Rubidoux. 238 Comment
  RSA775119  Populus fremontii subsp. fremontii Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5029 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
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May 22 2012
  RSA561121  Populus trichocarpa Steve D. Boyd, Tim S. Ross, D. E. Bramlet 1993-5-12 7314 Riverside Southern Santa Ana Mountains, San 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
  CAS-BOT-BC356161  Porophyllum gracile James R. Shevock 1978-4-26 5883 Riverside Along Skyline Road. Santa Ana Mountains, Cleveland National Forest 365 Comment
  CAS-BOT-BC356166  Porophyllum gracile Carl B. Wolf 1932-4-29 3093 Riverside Eastern Colorado Desert. W. edge of Maria Mts. 17 mi. from Blythe on Rice Road 152 Comment
  RSA715193  Porophyllum gracile A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32644 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
  UCR266494  Porophyllum gracile Mitch Provance, Robin Kinmont 2015-3-30 315- 28 Riverside Temecula/Murrieta Region, Murrieta Hot Springs, SW base of unnamed hill 0.6 miles W of Skunk Hollow, N side of Murrieta Hot Springs Rd at Chandler Dr., W of the lower watertank. 406 Comment
  RSA793473  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  SD233340  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  UCR65271  Potamogeton pectinatus Steve Boyd, Orlando Mistretta 1989-7-18 3760 Riverside Peninsular Range, Vail Lake area, along W shore of lake 0.5 mi south of the dam 427 Comment
  UCR201425  Potentilla glandulosa subsp. reflexa Scott D. White, Justin M. Wood 2008-6-17 12156 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  UCR201672  Potentilla gracilis var. fastigiata Scott D. White, Justin M. Wood 2008-6-19 12280 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  POM366664  Potentilla rimicola Robert Kessler 1921-9-1 s.n. Riverside Mount San Jacinto. Comment
  RSA0123756  Prenanthella exigua Duncan S. Bell, LeRoy Gross 2016-3-10 8867 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 2.25 air miles northwest of the summit area. 859 Comment
  CDA39092  Prosopis glandulosa Mike Lahti 2013-5-2 PDR# 331 P06141961 Riverside Aguanga; Hwy. 79 south and Hwy. 371. 0 Comment
  UCR101417  Prosopis glandulosa A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22223 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  UCD108198  Prosopis pubescens Richard Bates 1949-4-26 s.n. Riverside Cathedral Canon, southeast of Palm Springs. Comment
  UC218101  Prunus fasciculata A. Gilman 1922-4-10 Riverside Morongo Pass Comment
  SEINET3077265 Image available Prunus fremontii Dave Hawks 1987-3-3 Riverside Terwilliger Valley, 5 mi SE of Anza. 1280 Comment
  POM9357  Prunus fremontii Mary F. Spencer 1918-4-1 759 Riverside Andreas Valley near Palm Springs, Colorado Desert. 152 Comment
  POM49853  Prunus ilicifolia Philip A. Munz, I. M. Johnston 1924-7-29 8875 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  UCR43352  Prunus ilicifolia subsp. ilicifolia R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61195 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon. 534 Comment
  RSA472317  Psathyrotes ramosissima Anstruther Davidson 1921-4-1 s.n. Riverside Palm Springs. Comment
  SBBG100841  Psathyrotes ramosissima W. L. Halvorson 1977-3-8 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCR92399  Pseudognaphalium biolettii F. M. Reed 1903-3-10 214 Riverside South Coast; San Bernardino Valley, W base of Box Spring Mtns. 366 Comment
  RSA1136  Pseudotsuga macrocarpa J. T. Howell 1928-7-8 1054 Riverside Santa Ana Mountains above Glen Ivy 1524 Comment
  UCR178153  Pseudotsuga macrocarpa Tracy Tennant 1998-3-10 MOR- 1110 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, low hills on the south side of Wood Canyon near its mouth, tree stand W-5 1280 Comment
  UCR140312  Psilocarphus brevissimus A. C. Sanders, Guy Bruyea 2004-4-2 27421 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
  UCR266315  Psilocarphus brevissimus D. E. Bramlet 1991-4-3 2109 Riverside Perris-Aguanga Basin region, west of Hemet, west of Warren Rd. across from Hemet-Ryan Airfield 457 Comment
  UC64820  Psilostrophe cooperi E. E. Schellenger 1904-10-19 24 Riverside Chuckawalla Bench Colorado Desert Comment
  UCSB13077  Psorothamnus arborescens Dearing, Hugh; Dearing, Margaret 1940-6-9 Riverside 7 mi. N of Palm Springs Comment
  SEINET3407778 Image available Psorothamnus arborescens var. simplicifolius A. Stanley 1969-5-3 48 Riverside 2 miles from Morango Valley Rd. on Dillion Rd. Little San Bernardino Mountains 457 Comment
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Jun 12 2019
  JEPS41730  Psorothamnus emoryi W. L. Jepson 1927-4-14 11697 Riverside Colorado Desert, Silent Canyon, foothills SE end Santa Rosa Mts. 304 Comment
  RSA403991  Psorothamnus emoryi F. A. Thackery 1928-4-24 3 a Riverside Edom. Comment
  SEINET12162016  Psorothamnus emoryi C. W. Tilforth, Wisura, W. 1979-1 1907 Riverside S edge of Palm Desert along Hwy. 74, SE of Palm Springs 76 Comment
  CHSC848  Psorothamnus schottii M. Anthony 1954-4-15 Riverside Near Coachella. Comment
  POM295546  Psorothamnus schottii Lyman D. Benson, Robert Benson 1952-4-8 14849 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
  UCSB18556  Psorothamnus schottii Shaw, Merrilee 1963-5-5 Riverside Along State Highway 74, 9.6 miles northeast of Pinyon Flats Campground 487 Comment
  SBBG68035  Psorothamnus spinosus V. Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Cyn 243 Comment
  OBI40180  Pterostegia drymarioides N. M. Fellows & A. C. Sanders, A. C. Sanders 1985-4-9 125 Riverside Oasis de Los Osos Preserve, off Snow Crk cyn at the N foot of the San Jacinto mts, 1 mi W of Snow Crk Village 488 Comment
  UCR18627  Pulicaria paludosa John C. Roos 1962-10-19 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater 549 Comment
  UCR274938  Pulicaria paludosa S. J. Myers, Vesta A. Myers 2006-9-30 1031 Riverside Perris Valley Storm Drain near Placentia Ave., SW of Lake Perris 435 Comment
  UCR50000  Pulicaria paludosa Theo Glenn 1987-6-15 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills. 168 Comment
  CAS-BOT-BC516759  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands: W of Beaumont, just E of jct of 60 Fwy and Jackrabbit Trail, off frontage road deadend 716 Comment
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Jan 17 2018
  RSA38770  Quercus X munzii P. A. Munz 1947-8-21 12270 Riverside [No location information on label.] Comment
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Jul 24 2019
  UCR90959  Quercus agrifolia Scott D. White 1996-3-31 3874 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
  SDSU13620  Quercus agrifolia var. agrifolia C. Mosse 1972-7-11 Riverside Comment
  RSA702555  Quercus berberidifolia Scott D. White 2004-10-8 10775 Riverside Black Hills,' southeast of Lake Skinner and north of Oak Mountain. 610 Comment
  RSA748221  Quercus berberidifolia T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 112 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  SD232695  Quercus berberidifolia A. C. Sanders 1995-11-26 17911 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Rolling hills. Small canyon crossing Spanish Spur Trail ca. 0.1 mi. N of Deer Spr. Trail, 0.2 mi N of Kearsarge Rd. NE/4 sec. 22. 1189 Comment
  UC1605403  Quercus berberidifolia Steve Boyd 1994-10-14 8399 Riverside between Tenaja Trail and Fisherman's Camp (San Mateo Canyon, along San Mateo Trail , Southern Santa Ana Mountains); Cleveland Natl. For., Santa Ana Mts., San Mateo Canyon Wilde 426 Comment
  UCR23009  Quercus berberidifolia Saul Frommer 1981-3-26 s.n. Riverside Agua Tibia Mtns, Dripping Springs on the north side of the Agua Tibia Mtns. 10.7 mi east of I-15. 488 Comment
  UCSB60559  Quercus cornelius-mulleri Muller, Cornelius 1952-3-23 Riverside At Live-oak Tank, Joshua Tree National Monument Comment
  UC1135588  Quercus engelmannii R. St. John 1931-1-29 180 Riverside s of Murrieta; Elsinore Quad. 457 Comment
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Jan 26 2010
  UCSB34700  Quercus kelloggii Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 15.9 mi northwest of Idyllwild on Calif. Hwy 243; San Jacinto Mtns Comment
  SEINET2067043 Image available Quercus wislizeni B. Pitzer, Jack Easton 1987-3-10 411 Riverside Anza area, hills S of Thomas Mtn., ca. 3 miles E of town of Anza on N side of Hwy 371, Butterfly Peak 7.5' Quad. 1341 Comment
  UCR241204  Quercus wislizeni Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 280 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  RSA167  Quercus wislizeni var. frutescens J. T. Howell 1927-8-2 577 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  SD229182  Quercus wislizeni var. frutescens Dick Schwenkmeyer 2012-4-18 702 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  UCR169236  Quercus wislizeni var. frutescens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 09- 67 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles east of Hemet on Hwy 74 near Dry Creek, Site L9 961 Comment
  UCR180043  Rafinesquia californica Mitch Provance 2005-5-18 9812 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  CAS-BOT-BC379419  Ranunculus alismifolius var. alismellus H. M. Hall 1901-7-1 2405 Riverside San Jacinto Mountains, in meadows or along creeks of Tamarack Valley 2804 Comment
  CAS-BOT-BC378495  Ranunculus californicus var. californicus Edmund C. Jaeger 1925-3-21 s.n. Riverside Temecula, northwest of village Comment
  RSA400244  Ranunculus cymbalaria var. saximontanus Mark Morris 1929-3-17 14900 Riverside Palm Canyon. Comment
  RSA740253  Ranunculus sceleratus Scott D. White, Justin M. Wood 2008-7-9 12408 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UC1292574  Rhamnus crocea C. L. Hitchcock and C. V. Muhlick 1964-3-17 23094 Riverside 3 mi se Glen Ivy Hot Springs Comment
  UCR100298  Rhamnus crocea B. G. Pitzer 1997-4-20 3186 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  RSA796514  Rhamnus ilicifolia Robert F. Thorne, E. W. Lathrop 1977-5-18 49724 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  CAS-BOT-BC200035  Rhododendron occidentale var. californicum Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38120 Riverside San Bernardino National Forest, San Jacinto Mts.: Above & in James Reserve 1676 Comment
  UCR154729  Rhus aromatica T. B. Salvato, Kent Beaman 2005-5-16 770 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
  UCR19136  Rhus aromatica John C. Roos 1948-5-15 3831 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  RSA667365  Rhus trilobata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25014 Riverside The Badlands: Laborde Canyon and Adjacent s,opes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont., 33 53 45 N, 117 01 30 W 549 Comment
  RSA523482  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3942 Riverside Vail Lake area, summit of Big Oak Mtn, N of Lake. Saddle between summits, along road heading N to Black Hills. 793 Comment
  UCD170397  Ribes indecorum B. Pitzer 1998-1-25 3415 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue. 610 Comment
  UCR101546  Ribes indecorum A. C. Sanders 1997-4-10 20327 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  RSA96715  Ribes indecorum E. K. Balls 1954-4-26 19071 Riverside 1/2 way up W side Mt. San Jacinto Comment
  SD152829  Ribes malvaceum var. viridifolium Steve Boyd, Tim Ross 1992-5-5 7237 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, eastern portions of Oak Flats along the Bluewater Trail 730 Comment
  LA26119  Ribes montigenum Harlan Lewis; 1941-7-22 sn Riverside San Jacinto Mountains, San Jacinto Peak 3291 Comment
  UC11579  Ribes montigenum H. M. Hall 1901-7 Riverside Tamarack Valley San Jacinto Mountains 2804 Comment
  SEINET238553 Image available Ribes nevadense George K. Helmkamp 1998-6-27 4126 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  RSA575821  Romneya coulteri Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region , southern flank of the range along road in Arroyo del Torro. 610 Comment
  UC64143  Romneya coulteri H. M. Hall May 17 1901-Jun 1 1901 Riverside Temescal, Journey from Riverside to Santa Rosa Peak and Palomar Temescal; Southern California, Temescal 350 Comment
  UCR213473  Romneya trichocalyx A. C. Sanders 2010-5-19 38414 Riverside Peninsular Range/San Bernardino Valley, Riverside, western end of North Hill, edge of Fairmont Park, above intersection of Redwood Dr. and Randall Rd. 250 Comment
  CAS-BOT-BC147539  Rosa californica Ellsworth Bethel 1918-5-10 s.n. Riverside San Jacinto Comment
  POM122702  Rosa californica Marcus E. Jones 1926-6-20 s.n. Riverside Near Idyllwild Comment
  UCR197035  Rosa californica A. C. Sanders, D. L. Sanders 2008-9-27 36105 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  UC218158  Rubus parviflorus P. A. Munz 1922-9-6 6385 Riverside North Fork of Tahquitz Creek San Jacinto Mts., North Fork Tahquitz Creek 2209 Comment
  POM366411  Rubus parviflorus var. hypomalacus N. C. Cooper 1944-6-17 2008 Riverside Above Banning. 1220 Comment
  CAS-BOT-BC422287  Rumex californicus D. E. Breedlove 1961-8-5 943 Riverside Along Fuller Mill Creek, 0.5 mile upstream from point where creek crosses Riverside Highway 1; San Jacinto Mountains 1645 Comment
  CAS-BOT-BC433323  Rumex crispus H. M. Hall 1901-7-1 s.n. Riverside San Jacinto Mountains. Fuller's Mills Mountains 1584 Comment
  UCR113563  Rumex crispus Mitch Provance, A. C. Sanders 2000-7-4 2084 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA0088438  Rumex dentatus Mitch Provance 2011-7-4 17179 Riverside San Bernardino Valley: Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part of Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  CAS-BOT-BC433587  Rumex hymenosepalus Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-30 3954 Riverside Vail Lake area, granitic ridge at S end of Black Hills S of 'Big' Oak Mtn. 731 Comment
  UCR3241  Rumex hymenosepalus Bob Brownell 1964-5-15 s.n. Riverside Colton [south of], 3 mi from Washington Ave up Reche Canyon Rd. 366 Comment
  RSA444472  Rupertia physodes J. C. Roos 1960-5-30 s.n. Riverside Santa Ana Mountains: Ridge N of Bedford Peak with Calochortus albus, semi shade 1220 Comment
  RSA389636  Sagina C. Sylber 1986-5-20 s.n. Riverside Yard at 1040 Central Ave., Riverside. Comment
  UC604956  Salazaria mexicana Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9543 Riverside Cottonwood Springs Canyon Comment
  CAS-BOT-BC103899  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  CAS-BOT-BC103903  Salix exigua Nancy Ryan Zabriskie; Walter Zabriskie 1971-3-7 353 Riverside Andreas Canyon, east slope San Jacinto Mountains 359 Comment
  POM262925  Salix exigua J. C. Roos 1937-5-23 617 Riverside La Sierra. Comment
  RSA181987  Salix exigua W. L. Jepson 1928-4-25 12569 Riverside Cottonwood Springs, Eagle Mountains. 732 Comment
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Oct 23 2011
  CAS-BOT-BC108110  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert Comment
  POM46946  Salix gooddingii Mary F. Spencer 1918-4-8 813 Riverside Palm Springs. 137 Comment
  UC506424  Salix gooddingii Carl Epling and Joseph Ewan 1933-5-12 7606 Riverside s shore Lake Elsinore Comment
  RSA715295  Salix laevigata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32676 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road. 549 Comment
  SD152755  Salix lasiolepis Steve Boyd, T. Ross, O. Mistretta 1992-2-26 6685 Riverside Santa Ana Mountains, San Mateo Cyn from Fisherman's Camp downstream to confluence with Bluewater Cyn. 305 Comment
  UCR3404  Salix lasiolepis John Minnich 1964-3-9 64-3-9- 2 Riverside Peninsular Range, City of Riverside. 'Two Trees Canyon' c. 0.25 mi. from end of Two Trees Road, near the east end of Blaine St. 366 Comment
  UC1178571  Salix lutea Peter Kamb 1949-5-8 1406 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  UCSB1721  Salsola tragus Philbrick, Ralph 1954-10-24 Riverside 4 miles south of the Chino Institute 213 Comment
  SEINET3859080  Saltugilia latimeri Leigh A. Johnson 1992-5-15 92- 021 -GH Riverside Pinyon Flats. Pinyon Drive, off of Hwy 74 past the Pinyon Flats Campground, after road turns left, 1/2 way between Palm Canyon Drive and Jeraboa Road. About 100-200 yards off the road on the N side around a rocky outcrop. Area under development and site may one day have a house on it.; 0 1261 Comment
  UCR207924  Salvia O. F. Clarke 2004-2-27 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA411315  Salvia apiana N. C. Cooper 1944-4-8 1081 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  UC489045  Salvia carduacea C. V. Meyer Jun 1927 151 Riverside Temecula Comment
  HSC78990  Salvia columbariae K. Berg 1981-5-1 357 Riverside San Jacinto Mtns. along Banning-Idyllwild Hwy. (243) below Mt. Eden Comment
  IRVC2083  Salvia columbariae Jim Pierce 1965-4-7 none Riverside Blythe. Sonoran Desert Comment
  POM14257  Salvia columbariae P. A. Munz, D. Keck 1922-4-9 4915 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA401488A  Salvia columbariae Ora M. Clark 1929-2-24 1521 Riverside Cabazon, Colorado Desert. Comment
  RSA548760  Salvia columbariae W. L. Halvorson 1977-3-11 77 -145 Riverside Desert, bajada north of Dale Lake, 1/2 mile east of Amboy Rd., 1600 ft. east of Twenty-nine Palms. 488 Comment
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Jun 2 2013
  UC25710  Salvia columbariae H. M. Hall Jun 1901 2288 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1600 Comment
  UCLA70081  Salvia columbariae K. Watkins and E. McClintock 1937-4-9 Riverside near Winchester turnoff (Riverside to Hemet road) Comment
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Mar 20 2011
  SEINET13947334 Image available Salvia columbariae C. L. Hitchcock 1966-1 24155 Riverside 1 mi E of Glen Ivy hot springs. Comment
  SEINET13947339 Image available Salvia columbariae N. M. Fellows, A. C. Sanders, A. Strickland 1986-1 166 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains, 1 mi W of Snow Creek Village. (T3S, R3E, S1/2 Sec. 20). (+/-) 1600 ft alt. 488 Comment
  SEINET10499073  Salvia dorrii David B. Dunn 1946-8-17 Dunn 2723 Riverside Round meadow dry hillside among lodge pole pines. San jacinto mts. Comment
  LA86110  Salvia eremostachya W. A. Jr. Emboden; 1962-5-20 2062 Riverside Pinion Flats, Palms to Pines Highway Comment
  UCR17967  Salvia eremostachya A. C. Sanders 1976-4-20 0847 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  NY346  Salvia greatae H. M. Hall 04 1905 5848 Riverside Near Dos Palms, Colorado desert Comment
  RSA45224  Salvia greatae L. Roos 1949-4-6 4154 Riverside Mouth of rocky canyon, south foot Chocolate Mtns., north of Pope. 91 Comment
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May 26 2015
  SDSU13635  Salvia mellifera W. Miller, C. Mosse 1972-7-20 Riverside By olive trees 100 yards from fork. Comment
  UCR127346  Salvia mellifera A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25850 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR251307  Salvia mellifera T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7428 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  CAS-BOT-BC224853  Salvia pachyphylla H. M. Hall 1897-8-1 s.n. Riverside San Jacinto Mt. Comment
  RSA448914  Salvia vaseyi Robert Gustafson, Gary D. Wallace 1982-5-19 2566 Riverside Pines to Palms Hwy. (Hwy. 74), between 7-level Hill and Black Hill. Comment
  RSA733968  Salvia vaseyi Keith E. Hoffmaster 1937-6-6 813 Riverside Desert grade of Palms to Pines Highway. Comment
  CLARK-A1528-381  Sambucus mexicana C. M. Flanagan 1973-5-31 OO 635 Riverside Morongo Indian Reservation 853 Comment
  RSA562479  Sambucus mexicana Steve Boyd, Timothy S. Ross 1992-5-5 7257 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  RSA765048  Sambucus mexicana Doris Bowers 1972-4-15 1853 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  RSA771747  Sambucus mexicana Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4766 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 W116.65125 604 Comment
  UC729480  Sambucus mexicana Carl B. Wolf 1932-8-6 3991 Riverside base of Devil's Slide Trail to Tahquitz Valley; San Jacinto Mts., Strawberry Valley 1706 Comment
  UCR139619  Sambucus mexicana A. C. Sanders 2004-6-30 28383 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  RSA0037336  Sambucus mexicana Bob Rogers 1984-4-21 11 Riverside Collected along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy.74. 914 Comment
  UCR270170  Sambucus nigra A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42390 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  CAS-BOT-BC238859  Sambucus nigra subsp. caerulea H. M. Hall 1901-6-1 2216 Riverside San Jacinto Mountains. Onstatt's Valley 1615 Comment
  UCR37679  Samolus parviflorus George K. Helmkamp 1984-5-2 D 22 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCR31299  Sanicula arguta A. C. Sanders, T. Glenn 1983-4-17 3733 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  CHSC114153  Sanicula bipinnatifida A. C. Sanders; T. B. Salvano 2011-4-1 38957 Riverside Peninsular Range: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
  UC1929753  Sanicula bipinnatifida Scott D. White, Michael Honer 2003-4-2 8914 Riverside TEMESCAL CANYON: Just west of I-15 Freeway and northeast of Lawson Dr. Comment
  UCR214902  Sanicula bipinnatifida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37682 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR241569  Sanicula bipinnatifida A. C. Sanders 2013-4-16 40800 Riverside Peninsular Range; SE Gavilan Hills, SCE power line west of the San Jacinto River and south of Perris, below/NE of the intersection of McPherson Rd. and Keystone Dr. 450 Comment
  RSA496458  Sanicula crassicaulis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3074 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  POM12869  Sarcodes sanguinea P. A. Munz 1922-6-28 5884 Riverside Mts. above Santa Rosa. 2409 Comment
  SBBG45008  Sarcodes sanguinea N. C. Cooper 1944-6-17 1404 Riverside Pine Cove 1828 Comment
  SD128323  Sarcodes sanguinea R. Mitchel Beauchamp 1971-5-15 2414 Riverside San Jacinto Mountains, Black Mt. campground 2207 Comment
  UCR17719  Sarcostemma cynanchoides Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  UCR213253  Sarcostemma cynanchoides A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37704 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
  UCR925  Satureja chandleri Frances Shropshire 1959-4-25 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Guava-DeLuz Road, 1.8 mi. south of turnoff to this road at Warner's Ranch, near Murrieta 457 Comment
  RSA495460  Saxifraga californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2988 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  CAS-BOT-BC218931  Schinus molle A. C. Sanders 1997-5-1 20617 Riverside Lake Skinner area: old house site at gated road junction into Shipley Reserve area, ca. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  RSA663876  Schismus barbatus C. R. Annable 1995-3-10 2265 Riverside 1.6km S of Lake Cahuilla County Park. Comment
  SEINET212601 Image available Schismus barbatus N. H. Holmgren, PK Holmgren; R. E. Kern 1973-3-22 6496 Riverside Rice Valley 7 miles sout-southwest of Rice 274 Comment
  UCR228927  Schismus barbatus A. C. Sanders 2011-4-6 39008 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
  UCR20374  Schoenoplectus acutus var. occidentalis John C. Roos, L. Roos 1952-6-10 5761 Riverside San Bernardino Valley Region, Fairmont Park in Riverside, edge of lake 259 Comment
  UCR92307  Schoenoplectus acutus var. occidentalis Scott D. White, S. Ogg 1994-10-17 2470 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  POM6878  Schoenoplectus americanus Phillip A. Munz, L. T. Street, G. Williams 1919-3-26 2335 Riverside Figtree John s Spring, near Salton Sea. -61 Comment
  CAS-BOT-BC140674  Scirpus acutus A. C. Sanders 2004-5-12 27865 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  CAS-BOT-BC111018  Scirpus microcarpus H. M. Hall 1901-6-1 2289 Riverside Along water courses in the vicinity of Strawberry Valley, San Jacinto Mts. Comment
  UCR20800  Scirpus microcarpus A. C. Sanders, S. D. Boyd 1980-5-19 1504 Riverside San Jacinto Mountains, North fork of the San Jacinto River where it crosses Hwy 74 & near its junction w/ the South Fork of the river Comment
  CLARK-A1045-346  Scirpus robustus George K. Helmkamp 1978-2-19 Riverside Salton Sea Salton Sea State Recreation Area; Salt Creek Campground area; below railroad bridge, beside Sea; ; Durmid 7.5'Q -54 Comment
  RSA650275  Scrophularia californica W. A. Reinke 1971-5-8 s.n. Riverside 7mi. N. of 2nd St. on [Highway] 71-74, Elsinore. Comment
  RSA740828  Scrophularia californica Scott D. White, Justin M. Wood 2008-7-8 12387 Riverside San Jacinto Mountains: Johnson Meadow. 1439 Comment
  CAS-BOT-BC341095  Scutellaria mexicana A. C. Sanders; K. Rose 1995-4-5 16373 Riverside San Bernardino Mtns./Coachella Valley: alluvial slopes and foothills S of Mission Creek and W of Hwy 62 700 Comment
  UC104302  Scutellaria siphocampyloides A. W. Anthony 1895-7-15 Riverside San Jacinto 1828 Comment
  SD152815  Scutellaria tuberosa subsp. australis Steve Boyd, Time Ross 1992-5-4 7187 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  UCR20801  Sedum spathulifolium Robert McKernan 1980-5-18 s.n. Riverside San Bernardino Mtns., 0.5 mi. up the Kitching Peak Trail 1585 Comment
  CAS-BOT-BC69805  Selaginella bigelovii May N. Achley 1937-2-28 s.n. Riverside Near Bridgehaven (vicinity of Whitewater). Comment
  RSA495798  Selaginella bigelovii Steve Boyd, T. S. Ross, Laurel Arnseth 1989-3-11 2907 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam 396 Comment
  UC306718  Selaginella bigelovii S. B. Parish 1918-4-3 11689 Riverside Oak Lodge; San Jacinto River canyon 914 Comment
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Nov 20 2011
  SBBG118800  Selaginella eremophila L. C. Wheeler 1964-10-17 8639 Riverside Orocopia Mtns, S of Hayfield Reservoir Comment
  UCR260607  Senecio aphanactis O. F. Clarke 2004-4-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, North Loop Trail near Two Trees Canyon 701 Comment
  UCR162266  Senecio californicus 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
  CAS-BOT-BC323967  Senecio flaccidus var. douglasii A. M. White 1974-6-5 1132 Riverside ca. 1 M from Corona Fwy, Aberhill Turnoff 457 Comment
  JOTR31061  Senecio flaccidus var. douglasii La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2044 Riverside Joshua Tree National Park. Little San Bernardino Mountains, above Lower Covington Flats; STOP 2: steep rocky canyon heading up to west side of Quail Mountain region Comment
  RSA33371  Senecio flaccidus var. douglasii N. C. Cooper 1943-9-26 926 Riverside Cabazon. 549 Comment
  SEINET3143117  Senecio flaccidus var. douglasii W. B. Crockatt sn Riverside Prado 91 Comment
  OBI6025  Senecio flaccidus var. monoensis Carl B. Wolf 1931-10-14 2461 Riverside San Gorgonio Pass. Roadside at Cabezon 518 Comment
  RSA642298  Senecio ganderi D. L. Banks, Mike Kinney 1998-6-8 2202 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Approximately 200 m east of Magee Truck Trail, along a crushed bruch track from a native Stipa grassland at the southern border of the reservation., Just north of the Riverside / San Diego County line border. 483 Comment
  UC354444  Senecio mohavensis Edmund C. Jaeger 1929-2 Riverside Canyon Springs on Butterfield Trail; Colorado Desert, Canyon Springs on old Butterfield Trail Comment
  RSA612491  Senecio vulgaris D. L. Banks 1997-2-23 1326 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR257045  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009- 2 Riverside San Jacinto Mountains, northeast of Hwy 243 c. 16 km northwest of Idyllwild, in the south unit of the San Bernardino National Forest, on southwest flank of Black Mountain, Black Mountain Trail, uppermost Hall Canyon near Indian Creek drainage 2067 Comment
  SEINET239062 Image available Setaria italica Bill Isom 1973-10-30 206 Riverside Moreno Valley: Cultivated experimentally at UC Moreno Valley Field Station south of Allesandro (&Cactus) between nason 457 Comment
  CDA2430  Setaria parviflora Steve Boyd 1989-7-9 3773 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  UCD92618  Setaria parviflora F. M. Reed 1906-9-17 1186 Riverside Riverside and vicinity roadside, corner of Chicago and Mass. Aves. Comment
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Jun 15 2012
  CSUSB1387  Sidalcea malviflora Sally Crum 1966-3-20 Riverside About 0.5 mile north of Murrieta on Tenaja Road, in Santa Ana Mountains on slope by roadside. 914 Comment
  UCR91628  Sidalcea malviflora subsp. malviflora D. L. Banks, Steve Boyd 1995-5-9 405 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 738 Comment
  RSA526087  Sidalcea malviflora subsp. sparsifolia Steve Boyd, T. S. Ross 1990-5-11 4660 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
  SEINET7048205  Sidalcea sparsifolia Steven R. Hill, Andrew C. Sanders 2001-5-4 33717 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  UCSB40906  Sidotheca emarginata Zeigler, Louis 1964-7-10 Riverside Two miles northeast of Kenworthy Ranger Station Comment
  POM248089  Silene conoidea E. Johnson 1939-5-1 s.n. Riverside Near Blythe. Comment
  SD152886  Silene gallica Steve Boyd, Orlando Mistretta 1992-4-23 7056 Riverside Southern Santa Ana Mountains, along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 245 Comment
  RSA192157  Silene laciniata subsp. major E. W. Lathrop 1966-5-15 6301 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA477826  Silene laciniata subsp. major Gale Sphon 1955-06 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  POM12409  Silene parishii var. viscida P. A. Munz 1922-8-7 6412 Riverside Summit of San Jacinto Peak 3262 Comment
  UCR225163  Silene verecunda subsp. platyota Steve Boyd, Gary Wallace 2005-7-30 11641 B Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  CAS-BOT-BC202944  Simmondsia chinensis W. R. Dudley 1903-12-25 s.n. Riverside Tahquitz Canon [Canyon], near Palm Springs Comment
  UCR266305  Sinapis arvensis D. E. Bramlet, Jeff Crain 2009-5-18 4384 Riverside Perris-Aguanga Basin Region, San Jacinto Wildlife Area, east side of Davis Road, 213 m north of Marvin Rd. and 457 m south of the San Jacinto River 434 Comment
  RSA586302  Sisymbrium altissimum D. L. Banks, S. D. Boyd 1995-5-3 213 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
  UCR151111  Sisymbrium altissimum Scott D. White 1999-5-28 7432 Riverside Peninsular Ranges/Perris-Aguanga Basin region/Gavilan Hills, Gavilan Hills, c. 3 air mi SE of junction of Cajalco Rd. and Gavilan Rd.; east of Juniper Rd. between Blue Sky Dr. and Celestial Dr 689 Comment
  UCR67966  Sisymbrium erysimoides O. F. Clarke 1973-4-1 s.n. Riverside City of Riverside, Corner of Spruce and Rustin Streets. 305 Comment
  RSA614135  Sisymbrium irio D. L. Banks 1997-2-23 1302 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR120190  Sisymbrium irio Mitch Provance 1998-3-7 154 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  UCR41557  Sisymbrium irio A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6013 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment