Search Results — 2000 specimen records retrieved (1889 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
  SEINET945977  Abronia umbellata Forrest Shreve 1933-1 6307 Riverside Beach near Carlsbad. Comment
Read comments
Feb 2 2014
  CAS-BOT-BC229329  Abronia villosa L. R. Abrams 1913-7-16 5010 Riverside Between Elsinore & Corona, Riverside Canyon Comment
  CAS-BOT-BC229349  Abronia villosa S. B. Parish 1913-2-28 8474 Riverside Mecca, Salton Sink 60 Comment
  CLARK-A1528-3256  Abronia villosa John C. Roos 1946-9-14 3017 Riverside San Jacinto Mountains 1371 Comment
  RSA0026173  Abronia villosa Marc Baker 2013-3-19 17702 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 6 kilometers ENE of north end of the Mule Mountains. Comment
  SEINET7909538  Abronia villosa P. L. Packard 1976-1 23 Riverside 6 mi W of Blythe, Interstate 10 Comment
  UCR103570  Abronia villosa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2712 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  POM730  Abronia villosa var. aurita T. S. Brandegee 1899-1 s.n. Riverside Palm Springs. Comment
  UCR119446  Abronia villosa var. aurita A. C. Sanders, Mitch Provance 1999-9-26 23086 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCD159798  Abronia villosa var. villosa Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1420 Riverside Colorado Desert: Northeastern Colorado Desert region: along Palen Road near Highway 177. 170 Comment
  RSA0094190  Acacia greggii Duncan S. Bell, Evan Meyer 2014-10-29 7682 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  UC165050  Acacia greggii S. B. Parish 1902-6-28 8106 Riverside near Mecca (Colorado Desert, Red Canyon); Colorado Desert, Red Canyon Comment
Read comments
Nov 24 2011
  RSA554009  Acacia greggii var. arizonica A. C. Sanders, E. J. Lawlor 1992-4-4 12142 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA696773  Acamptopappus sphaerocephalus J. R. Bruff 1928-4-1 78 Riverside Whitewater Comment
  POM229033  Acamptopappus sphaerocephalus var. sphaerocephalus P. A. Munz 1937-5-29 15151 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  POM308627  Acamptopappus sphaerocephalus var. sphaerocephalus Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3222 Riverside Near Indio. Comment
  UCR132710  Acer negundo A. C. Sanders, O. F. Clarke 1991-6-10 11122 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  CAS-BOT-BC210594  Achnatherum coronatum H. M. Hall 1901-6-1 2078 Riverside San Jacinto Mountain. In the vicinity of Chalk Hill 1463 Comment
  POM365988  Achnatherum hymenoides Christopher Davidson, B. Gustafson 1977-4-7 5590 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
  JOTR31137  Achnatherum parishii La Doux, Tasha 2009-6-3 1849 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  CAS-BOT-BC384727  Achyronychia cooperi L. A. Greata 1905-4-1 403 Riverside Coachella Comment
  POM7896  Achyronychia cooperi P. A. Munz 1920-4-4 3527 Riverside Pass South of Palm Springs. Comment
  RSA423486  Achyronychia cooperi M. B. Dunkle 4980 Riverside Colorado Desert, east of Indio. Comment
  RSA516871  Achyronychia cooperi Steve Boyd, Thomas S. Elias, B. Roy, Sara Meury, S. Zona 1986-3-5 1344 Riverside Mecca Hills: Box Canyon, along Hwy 195 Comment
  UCSB1844  Achyronychia cooperi Beeks, Richard 1952-4-5 Riverside 12 miles E of Shaver Summit Comment
  UCSB38677  Acmispon brachycarpus Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon; Whittaker transect #W-217 570 Comment
Read comments
Apr 2 2011
  JOTR36476  Acmispon glaber var. brevialatus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 55 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  SDSU14012  Acmispon glaber var. brevialatus Jonathan S. Austin, Michael G. Simpson 2002-4-20 14 Riverside Along northeastern part of Loop trail. Santa Margarita Ecological Reserve. 335 Comment
  JOTR35512  Acmispon nevadensis var. nevadensis La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3199 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  SBBG45066  Acmispon rigidus I. W. Clokey 1935-4-17 6711 Riverside Cottonwood Spring Comment
  SD247417  Acmispon strigosus A. C. Sanders, Jim Malusa 2015-3-9 41364 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along Gasline Road at major wash crossing 1.9 miles south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range (Red Cloud Canyon 7.5'Q) 671 Comment
  UCSB18818  Acmispon strigosus Wright, David 1963-5-5 Riverside State Highway 74, 6.8 miles S of Dead Indian Creek 1066 Comment
  SEINET5327551  Acmispon strigosus E. Neese 1979-4-10 7080 Riverside ca 25 mi W of Blythe, desert along Interstate 10 244 Comment
  RSA734491  Acourtia microcephala M. Wall 2008-7-4 484 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  UCR93832  Acourtia microcephala G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  UCR140688  Adenostoma fasciculatum Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 59 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  RSA615330  Adenostoma fasciculatum var. fasciculatum Scott D. White 1997-5-25 5245 -a Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing at ca. 3200 ft. 793 Comment
  UCR250196  Adenostoma fasciculatum var. fasciculatum A. C. Sanders 2014-4-23 41041 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  CAS-BOT-BC139870  Adenostoma sparsifolium Navin 1890-1-1 s.n. Riverside San Jacinto Mts. Comment
  HSC25158  Adenostoma sparsifolium Richard Spjut 1972-3-14 2274 Riverside Along Hwy. 74 in San Bernardino National Forest 1220 Comment
  SBBG70868  Adenostoma sparsifolium R. C. and J. R. Robbins 1923-2-15 Riverside Pinyon Flat, Palms-Pines Rd Comment
  UC403963  Adenostoma sparsifolium C. Van Deventer Aug 1903 Riverside San Jacinto Mt. Region Comment
  UCR196977  Adenostoma sparsifolium Mark A. Elvin 2004-10-12 3812 Riverside San Jacinto Mountains, south of Idyllwild, north of Mountain Center along Hwy 243 1524 Comment
  POM13637  Adiantum capillus-veneris E. C. Jaeger 1922-4-15 1037 Riverside Eagle Canyon, 5 miles south-east of Palm Springs. Comment
Read comments
Aug 3 2011
  UCR1103  Adiantum jordanii J. E. Dimitman 1957-3-23 s.n. Riverside Santa Ana Mountains, San Mateo Creek 396 Comment
  SEINET3271559 Image available Agropyron repens O. F. Clarke 2004-5-17 Riverside Peninsular Range; Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  POM259177  Agrostis exarata P. A. Munz 1928-8-13 15323 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  RSA457396  Agrostis exarata A. R. Roos 1937-8-19 10694 Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR98250  Agrostis exarata Scott D. White 1996-8-1 4448 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  UCR96424  Agrostis scabra Scott D. White 1996-8-1 4433 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR175070  Ailanthus altissima Teresa Nieto 2005-5-26 26 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR116074  Alchemilla occidentalis O. F. Clarke, Jeanine Derby 1974-4-13 s.n. Riverside Box Springs Mtns., E side of Box Springs Mtn. Rd. c. 1 mile above Pigeon Pass 686 Comment
  POM126263  Aliciella latifolia Martha Hilend 1927-4-2 s.n. Riverside Box Canyon near Shaver's Well, Colorado Desert. Comment
  POM13322  Aliciella latifolia E. C. Jaeger 1921-04 1086 Riverside Corn Springs, Chuckawalla Mts Comment
  RSA67713  Aliciella latifolia Verne Grant, Alva Grant 1952-4-1 17519 Riverside 9 miles E of Mecca Comment
Read comments
Apr 8 2011
  OBI35030  Allenrolfea occidentalis Faulkner 1978-3-21 343 Riverside 9 mi N of blythe, hwy 95 152 Comment
  RSA0062781  Allenrolfea occidentalis Duncan S. Bell, Evan Meyer 2014-10-22 7659 Riverside Orocopia Mountains; southwestern section of range; in the Dos Palmas Preserve area; at the lower southwestern seeps of the preserve. -29 Comment
  RSA593786  Allium cratericola Jeri Hirshberg 1995-5-19 281 Riverside San Jacinto Mountains, Garner Valley, north of Morris Creek. Comment
  CLARK-A1528-2791  Allium fimbriatum John C. Roos 1941-5-10 129 Riverside Santa Rosa Mountains Comment
  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
  RSA751916  Allium peninsulare Scott D. White, Justin M. Wood 2009-5-22 12919 Riverside Old Control Road, above Halfway Spring. 1159 Comment
  RSA753543  Allium peninsulare Michael Wall 2009-6-6 519 Riverside San Jacinto Valley, Bautista Canyon Rd. ca. 1.0 miles SE of jct. with Fairview Ave. on slopes at sharp turn in the road 630 Comment
  UCR139151  Allophyllum S. J. Myers, Andrei Krylor 2003-4-30 s.n. Riverside San Jacinto Mtns. Region, Reed Valley, c. 1.5 mi. SW of Little Cahuilla Mtn. 1098 Comment
  UCR193986  Allophyllum A. C. Sanders 2008-7-25 35922 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  UCR263410  Alternanthera caracasana Oscar Avila 2015-8-6 s.n. Riverside Riverside: Ryan Bonaminio Park, Tequesquite Arroyo below old Chinatown and just above confluence with Santa Ana River, along Tequesquite Avenue, south of Mt. Rubidoux 228 Comment
  UCR167680  Amaranthus albus T. B. Salvato, Melissa Clemons 2005-6-23 1285 Riverside Peninsular Range; Temescal Valley, Alberhill, intersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at base of Walker Canyon 378 Comment
  UCR23200  Amaranthus albus S. Gallager 1981-6-1 26 Riverside Riverside, Intersection of Serpentine Rd. & Palmyrita Ave, SE corner, Box Springs Mtns area 306 Comment
  UC527700  Amaranthus fimbriatus C. B. Wolf 1931-10-14 Riverside 0.5 mi below Fish Hatchery (Snow Creek, n base of the San Jacinto Mts.); San Jacinto Mts., Snow Creek 548 Comment
  RSA402998  Amaranthus hybridus J. S. Stubblefield 1940-9-27 s.n. Riverside growing on ranch near Temecula Comment
  SD146057  Amaranthus retroflexus A. C. Sanders, Mitch Provance 1999-9-26 23116 Riverside San Jacinto Valley: Mystic Lake, 1.4 mile southeast of Jackrabbit Trail on Gilman Springs Road, 1.4 mile south of Eden Hot Springs. 433 Comment
  CAS-BOT-BC224908  Ambrosia acanthicarpa A. C. Sanders 2011-4-6 38991 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
  CDA9958  Ambrosia acanthicarpa Wright s Office Nov 1948 Riverside 0 Comment
  SD244067  Ambrosia confertiflora O. F. Clarke 2009-11-26 Riverside Peninsular Range: Riverside; O.F. Claarke residence, 266 Frost Court; east edge of UCR campus. 351 Comment
  JEPS40957  Ambrosia dumosa I. W. Clokey and B. C. Templeton 1930-4-9 4705 Riverside n of Palm Springs; Colorado Desert 170 Comment
  LA202895  Ambrosia dumosa Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  LA202903  Ambrosia dumosa Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  POM41493  Ambrosia dumosa Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sink near Oasis. Comment
  POM8400  Ambrosia dumosa Mary F. Spencer 1920-4-7 784 -a Riverside Palm Canyon, Colorado Desert 183 Comment
  RSA302651  Ambrosia dumosa J. R. Shevock 1972-3-13 1403 Riverside Hwy 111, near Palm Springs 183 Comment
  RSA416967  Ambrosia dumosa A. Menke 1955-4-25 s.d. Riverside Mouth of Tahquitz Canyon, Palm Springs. Comment
Read comments
Sep 10 2011
  RSA696738  Ambrosia dumosa J. Russell Bruff 1932-3-22 s.n. Riverside 1000 Palms. Comment
  RSA777299  Ambrosia dumosa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 986 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  SEINET3197209 Image available Ambrosia dumosa Mike Bell 2008-3-19 047 Riverside Sonoran (Colorado) Desert; Coachella Valley; 2 miles west of Desert Hot Springs, north of Pierson Blvd. and west of North Indian Canyon Dr. (Desert Hot Springs 7.5') 396 Comment
  HSC66729  Ambrosia salsola D. L. Goforth, D. Reed 1980-3-25 359 Riverside Hwy. 195, 6 miles E of Mecca. Box Canyon, Mecca Hills 122 Comment
  RSA739851  Ambrosia salsola J. L. Strother 2008-3-10 1370 Riverside 18km (11miles) W of Chiriaco Summit, along N frontage of I10. 420 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
  UC61554  Ambrosia salsola var. salsola Miss Mary McKibben 1904-4-1 Riverside Mecca Colorado Desert -60 Comment
  UC724141  Ambrosia salsola var. salsola Aven and Ruth Nelson 1939-3-22 3220 Riverside near Palm Springs Comment
  RSA522319  Ammannia coccinea Steve Boyd 1989-7-23 3789 Riverside City of Riverside, Santa Ana River, just downstream of old city dump at W extension of Rubidoux Avenue. Comment
  UCR282349  Ammannia coccinea Mitch Provance, Jeremiah George 2017-7-26 717- 02 Riverside San Bernardino Valley, Jurupa Valley, northeast side of the Riverside Basin, just SE of Philadelphia St. and Wineville Rd. 247 Comment
  UCR43346  Amorpha californica R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61186 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon. 534 Comment
  RSA0120137  Amorpha fruticosa Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9080 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  SD119926  Amorpha fruticosa Louis B. Ziegler 1967-9-6 237 Riverside San Jacinto Mountains, Quinn Flats region, along dry stream beds 1370 Comment
  UCSB19371  Amorpha fruticosa Haller, John 1950-5-20 Riverside Base of San Jacinto Mtns., Hemet-Idyllwild Road, opposite Cranston Ranger Station 609 Comment
  RSA0086762  Amsinckia intermedia R. G. Swinney 1967-5-26 11727 Riverside Snow Creek. 335 Comment
  RSA499895  Amsinckia intermedia Ora M. Clark 1929-2-23 1525 Riverside Near Banning. Comment
  UCR225726  Amsinckia intermedia A. C. Sanders, T. B. Salvato 2011-3-30 38901 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  UCR250214  Amsinckia intermedia A. C. Sanders 2014-4-8 40978 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  CSUSB994  Amsinckia tessellata Becky Brooks 1973-5-26 S. N. Riverside Corona; app. 250 yards N. of Ontario Highway and 100 yards E. of Comptom Ave. North facing slope of small foothills. 228 Comment
  UC1563007  Amsinckia tessellata var. tessellata Steve Boyd 1986-3-1 1372 Riverside 1/4 mi s Harford Springs County Park; Gavilan Plateau, Gavilan Hills 640 Comment
  RSA180287  Anagallis arvensis E. W. Lathrop 1965-4-25 5671 Riverside 4 miles Sw of Murrieta. Comment
  RSA544401  Anemopsis californica Steve Boyd, Timothy S. Ross 1991-6-14 6369 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Road S to confluence with Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  UC891462  Anisocoma acaulis K. Watkins and E. McClintock 1937-4-10 Riverside near road to, on Palms-to-Pines Highwayl Shumway Comment
  POM9753  Antennaria rosea E. C. Jaeger 1921-6-20 275 Riverside Long Valley, San Jacinto Mts. Comment
Read comments
Oct 6 2009
  SEINET2044246 Image available Antheropeas wallacei A. C. Sanders, Dave Hawks 1986-4-16 Riverside On the ridge above Whitewater Canyon, W of Bonnie Bell. Whitewater UTM, 10kmcell: NH-N5, E3. 915 Comment
  OBI37456  Antirrhinum coulterianum Jennifer Lyman 1981-5-22 s.n. Riverside San Jacinto Mts. E side of mt San Jacinto. USFS San Jacinto Mtn 1829 Comment
  UCR20793  Antirrhinum coulterianum A. C. Sanders, Steve Boyd 1980-5-2 1411 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR48368  Antirrhinum coulterianum Steve Boyd 1986-5-1 1819 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  RSA336198  Antirrhinum filipes Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52014 Riverside Chino Canyon. Comment
  RSA425819  Antirrhinum filipes Anstruther Davidson 1927-4-11 s.n. Riverside Palm Springs, Cooper Mine Comment
Read comments
Nov 12 2011
  UC1191180  Antirrhinum filipes Herbert L. Mason 1952-4-7 14206 Riverside near Palm Springs; Palm Canyon Comment
  SBBG128625  Antirrhinum kelloggii S. R. Hill, A. C. Sanders 2001-5-4 33716 Riverside N side of Avenida del Oro, just E of jct with Sandia Crk Drive, 2 mi W of jct of Rancho California Rd and Interstate 15; E rim, Santa Rosa Plateau 478 Comment
  SEINET3078505 Image available Antirrhinum multiflorum Rodney Hendrick 1965-5-2 s.n. Riverside In shady area 6 mi west of Aguanga on Hwy. 71. 610 Comment
  RSA180395  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop 1960-6-8 4930 Riverside 14 miles west of Murrieta Comment
  RSA495454  Antirrhinum nuttallianum subsp. nuttallianum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2982 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  SD187326  Apium graveolens Scott D. White, Angelia Carey 2004-5-7 10317 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UCR133682  Apocynum cannabinum John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  POM12140  Arceuthobium campylopodum Mary F. Spencer 1921-7-6 1078 Riverside Idyllwild. 1616 Comment
  SEINET3239809  Arceuthobium campylopodum R. L. Mathiasen 2009-1 2009 -69 Riverside Across street from Idylwild Ranger Station, Idylwild, CA. 1700 Comment
  RSA629159  Arctostaphylos Jon E. Keeley 1992-7-17 16789 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  SJSU11106  Arctostaphylos glandulosa subsp. glandulosa G. B. Youngberg 1956-3-31 240 Riverside by Banning-Idyllwild Rd, San Jacinto Mts 1767 Comment
  POM367319  Arctostaphylos glauca Richard C. Barkelew, Mark Morris 1929-3-10 s.n. Riverside Indian Canyon , San Jacinto Mts Comment
  RSA631765  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15075 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631791  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19565 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631798  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19571 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631818  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19257 Riverside Highway 79, 5 km west of Radec. 580 Comment
  UCR139049  Arctostaphylos glauca D. L. Banks 1997-3-1 1346 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Pechanga Creek, east of the'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  RSA633538  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22661 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633570  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16675 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633573  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22511 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633618  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16681 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633677  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20128 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633752  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21787 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA635642  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16725 Riverside Hwy 74, 4.3 km west of road (7S02) to Santa Rosa Mtn. 1470 Comment
  UC535009  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside one and one-half mi from Idyllwild (on road to Banning); San Jacinto Mts., Strawberry Valley 1706 Comment
  RSA635768  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16730 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA635771  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16747 Riverside Rd. to Thomas Mtn. (5S15), 2.7 km west of Hwy. 74 on Pyramid Peak Rd., San Jacinto Mountains. 1480 Comment
  RSA635815  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16544 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  RSA636025  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18798 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  SD135211  Arctostaphylos rainbowensis Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-11 19485 Riverside Eastern Santa Margarita Mtns., W of Temecula, off Colman Rdl, 0.8 km N of Carancho Rd. and W of De Luz Rd. 170 Comment
  UC488976  Argemone munita C. V. Meyer 1927-6-1 208 Riverside San Jacinto Mountains, Foot of Idyllwild Grade Foot of Idyllwild Grade; San Jacinto Mountains, Foot of Idyllwild Grade 762 Comment
  UCR16460  Argemone munita Anna Mayers 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Graham Pass Road, about 25 km from Chuckwalla Bench 450 Comment
  UCR41215  Argemone munita N. M. Fellows, A. C. Sanders 1985-4-9 136 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA500159  Argemone munita subsp. munita Steve Boyd, L. Arnseth, Tim Ross 1989-6-4 3642 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  JEPS68442  Aristida adscensionis W. L. Jepson 1912-11-1 5262 Riverside Blythe, Palo Verde Valley 82 Comment
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Aug 29 2012
  RSA0027581  Aristida adscensionis Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 36 Riverside Sonoran Basin & Range. Chuckwalla Valley: From Blythe, Ca, head west on 1-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). 120 Comment
  RSA554067  Aristida adscensionis Megan Phillips 1991-10-17 91 -20 Riverside Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive. Comment
  UCR167448  Aristida adscensionis 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
  RSA27422  Aristida adscensionis var. abortiva C. L. Hitchcock 1940-3-30 5878 Riverside Cottonwood Spring. Comment
  SEINET239055  Aristida divaricata A. C. Sanders, S. D. Boyd; Mitch Provance J. Ross 1998-10-25 22284 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern) 1 mile. NW of Hwy 371 junction to Anza (Butterfl 1441 Comment
  CLARK-A1528-4477  Aristida parishii John C. Roos 1952-4-16 5551 Riverside Reche Canyon 457 Comment
  UCD56514  Aristida purpurea J. C. Roos 1965-9-26 s.n. Riverside Palm Springs. 121 Comment
  UCR136196  Aristida purpurea var. fendleriana A. C. Sanders 2004-6-20 28224 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., hilltop above I-15, SW of main clay pits 378 Comment
  UCD56561  Aristida purpurea var. nealleyi A. A. Beetle 1942-4-23 3187 Riverside Rt. 95, 24 miles north of Blythe, banks of Colorado River. Comment
  POM11427A  Aristida purpurea var. parishii P. A. Munz, D. D. Keck 1922-4-9 4906 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  JOTR16772  Aristida purpurea var. purpurea Hogan, J. 1975-5-29 80 Riverside Joshua Tree National Park. 1.5 MILES EAST OF SHEEP PASS CAMPGROUND 1341 Comment
  UCR122760  Artemisia Steve Morgan 2001-10-18 s.n. Riverside San Bernardino Valley region, weed in the UCR Botanical Garden, E side of the UCR campus 396 Comment
  CAS-BOT-BC90195  Artemisia californica Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater, W. Colo. Desert 304 Comment
  RSA741739  Artemisia californica Michael Wall 2008-12-18 499 Riverside East of Hemet off Bautista Canyon Rd. ca. 0.25 miles east of jct. with Fairview Ave. 591 Comment
  UCR199590  Artemisia californica Scott D. White, Angelia Carey 2004-7-2 10581 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  JOTR32836  Artemisia dracunculus La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1551 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
  SD229063  Artemisia dracunculus Dick Schwenkmeyer 2012-9-20 837 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  CAS-BOT-BC93734  Artemisia ludoviciana subsp. albula Louis C. Wheeler 1933-12-2 2296 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  RSA0104495  Artemisia ludoviciana subsp. albula Duncan S. Bell 2015-9-30 8660 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  JOTR33674  Artemisia ludoviciana subsp. incompta La Doux, Tasha 2003-9-24 1589 Riverside Joshua Tree National Park. Little San Bernardino Mtns; southern Wonderland of Rocks, along trail to Barker Dam 1296 Comment
  UCR100164  Artemisia ludoviciana subsp. incompta Scott D. White 1992-12-16 985 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  RSA0048565  Artemisia tridentata Nancy Anderson 1955-5-21 s.n. Riverside Van der Venter [Vandeventer] Flats. Comment
  RSA715091  Arundo donax Sarah J. De Groot, J. Mark Porter 2006-3-14 5205 Riverside N base of San Jacinto Mountains, W of Hwy 111, just E of Snow Creek Road. Comment
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Jan 23 2010
  GMDRC5759  Asclepias albicans J. M. Andre 2013-3-4 23873 Riverside Riverside Mountains: east side of range, along rocky dirt road to historic mine area, 0.8 mi west of Hwy 95, approx 12 mi. south of Vidal Jct 127 Comment
  RSA0104761  Asclepias californica Michael Wall 1995-4-14 103 Riverside Temecula Valley, along Hwy 79, 5.7 miles east of Interstate 15, southeast of Temecula, west of Vail Lake. Comment
  SD56841  Asclepias erosa Darley F. Howe 1963-5-15 3482 Riverside 18 miles east of Desert Center. 185 Comment
  JOTR32521  Asclepias fascicularis Harding, Mitzi 2011-7-18 s.n. Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  RSA401112  Asclepias subulata Anstruther Davidson 1921-10-1 s.n. Riverside Palm Springs. Comment
  POM17575  Aster bernardinus Dr H. Baer 1923-9-23 s.n. Riverside 2 miles S of Murietta. Comment
  RSA606240  Aster pauciflorus R. S. Woglum 1937-5-22 523 Riverside Temecula. Comment
  POM158199  Aster subulatus var. ligulatus Philip A. Munz, I. M. Johnston 1928-9-6 11282 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  SEINET938073  Astragalus coulteri G. B. Cummins 1906-1 A- 77 -6747 Riverside Colorado desert at Palm Springs. Comment
  RSA90156  Astragalus didymocarpus F. W. Peirson 1914-1 576 Riverside Whitewater, east of Cabezon Comment
  RSA415493  Astragalus douglasii Christopher Davidson 1978-6-15 7394 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  CAS-BOT-BC182949  Astragalus filipes H. M. Hall 1901-6-1 2164 Riverside Thomas Valley 1371 Comment
  POM229017  Astragalus filipes P. A. Munz 1937-5-31 15125 Riverside Kenworthy, south part of San Jacinto Mountains 1372 Comment
  CAS-BOT-BC187120  Astragalus lentiginosus var. borreganus Geo. B. Grant 1906-5-1 77 a-6747 Riverside Colorado Desert at Palm Springs Comment
  SEINET7042775  Astragalus nuttallii W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  CAS-BOT-BC192826  Astragalus pomonensis B. 1904-4-5 4131 Riverside Hemet Comment
  UCR4173  Astragalus pomonensis R. H. Sauer 1965-4-21 s.n. Riverside Mockingbird Canyon Road, 4 mi. SE of intersection with Van Buren Boulevard, SE of Riverside, NE of Lake Mathews 244 Comment
  POM9021  Astragalus pomonensis P. A. Munz, R. D. Harwood 1920-3-20 3376 Riverside 5 miles S of Corona. 305 Comment
  JEPS54848  Astragalus tricarinatus Marjorie Clary July 1929 19 Riverside Whitewater Canyon Comment
  CAS-BOT-BC17417  Athysanus pusillus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4041 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along highway 79, east of USFWS Dripping Springs Guard Station. 609 Comment
  UCR111990  Atrichoseris platyphylla A. C. Sanders, T. B. Salvato 2000-4-27 23371 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  UCR60765  Atrichoseris platyphylla Orlando Mistretta 1986-3-13 1454 Riverside Sonoran (Colorado) Desert, NE of Desert Center, west side Palen Mtns. 229 Comment
  CAS-BOT-BC170584  Atriplex Roxana S. Ferris 1918-6-19 1017 Riverside Between Rannels and Palo Verde. Comment
  RSA752293  Atriplex argentea subsp. expansa Scott D. White 2009-8-10 13354 Riverside City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  RSA543198  Atriplex canescens Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6098 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  SBBG133572  Atriplex canescens S. D. White, A. Carey, L. Archa 2004-8-5 10685 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Creek from confluence w/ San Jacinto River to +/- 2 mi upstream. 534 Comment
  CAS-BOT-BC170207  Atriplex canescens subsp. canescens W. M. Ingram 1934-10-1 9 Riverside Caleb Comment
  RSA772867  Atriplex canescens subsp. canescens Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks 2010-8-25 626 Riverside PCT Trail. W of White Water Canyon. N of jct of I-10 and Rte 111. 732 Comment
  SD123919  Atriplex canescens subsp. canescens Robert F. Thorne, Kay Wright & Richard Benjamin 1982-10-8 55354 Riverside San Bernardino Mountains; mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges. 409 Comment
  SEINET3930280  Atriplex canescens var. angustifolia Stewart C. Sanderson 1993-11-22 93 -054 Riverside Milo Racket Club, Palm Springs, CA.; 0 Comment
  SD80076  Atriplex canescens var. linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-7-29 332 Riverside Andreas Canyon Club property, Palm Canyon watershed. 170 Comment
  RSA748735  Atriplex coronata var. notatior Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  RSA537267  Atriplex coulteri D. E. Bramlet 1991-5-10 2149 Riverside 6.5 miles west of hemet, approximatly 500 m south and west of the ntersection of Warren and Florida (Hwy 74) and 80 miles east of the MWD San Diego Canal. 457 Comment
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Feb 3 2015
  UCR260322  Atriplex davidsonii A. C. Sanders 2015-2-19 41253 Riverside San Jacinto Valley, 53 acre parcel c. 370 m south of Ramona Expressway and 1 km east of Warren Rd., north of Record Rd. 442 Comment
  RSA0009703  Atriplex elegans var. fasciculata Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  CAS-BOT-BC523903  Atriplex glauca D. E. Bramlet 2005-5-5 3847 Riverside Perris-Aguanga Basin Region: San Jacinto Valley, canal right-of-way north of Devonshire Ave. 457 Comment
  SD243119  Atriplex glauca R. E. Riefner Jr. 2002-12-12 02 521 Riverside Peninsular Range; Temescal Canyon Mouth; city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy 1-15 (Corona South 7.5'Q) 216 Comment
  CAS-BOT-BC170260  Atriplex hymenelytra John Thomas Howell 1928-1-29 3302 Riverside Entrance to Painted Canyon, Colorado Desert. Comment
  RSA24223  Atriplex linearis C. B. Wolf 1941-1-5 s.n. Riverside Colorado Desert, E side of Salton Sea. 1/2 way between Date Palm Beach and Salton Beach. -70 Comment
  SEINET4135313  Atriplex linearis Stewart C. Sanderson 1993-11-18 93 -037 Riverside Mile 11, CA 177, 10 miles northeast of Desert Center, CA.; 0 Comment
  SEINET13901567 Image available Atriplex linearis Carl B. Wolf 1932-1 4321 Riverside Colorado Desert. NE. side of Salton Sea, at Durmid, NE. side of S. P. R. R. Tracks. 61 Comment
  JEPS90699  Atriplex pacifica D. Bramlet 1991-6-1 2179 Riverside 3 km w of Nuevo (and some 20 m e of the San Jacinto River, some 300 m s of the end of 11th Street, just e of an existing dirt road) 473 Comment
  RSA478374  Atriplex polycarpa Allen 1921-09 s.n. Riverside Palm Springs. Comment
  UCR113601  Atriplex serenana A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23681 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
  CDA23321  Atriplex serenana var. serenana Mitch Provance 2000-9-28 2266 Riverside Riverside: N side of Latham St., ca. 1/8 mile W of intersection with Keats Dr. Comment
  UCR213868  Atriplex serenana var. serenana Scott D. White 2009-8-10 13355 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, c. 0.5 mi north and south of the Main Street Bridge 306 Comment
  UCR112482  Atriplex suberecta A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23331 Riverside Coachella Valley, along Tyler St. south of I-10, east of Indio and north of Coachella -12 Comment
  UCR256784  Atriplex suberecta T. B. Salvato, Matthew Malle 2013-5-20 7579 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  RSA777347  Avena barbata Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4705 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65126 604 Comment
  UCR20743  Avena barbata A. C. Sanders, Steve Boyd 1980-5-2 1392 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR2185  Avena barbata F. M. Reed 1903-12-10 418 Riverside Riverside, Iowa Ave. near (Urquhart?) Ranch 305 Comment
  RSA516752  Avena fatua Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  SD152999  Avena fatua Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-26 6684 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon, along trail 305 Comment
  VVC547  Avena fatua A. C. Sanders, J. Mac 1997-5-4 20649 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  JOTR36019  Ayenia compacta Harding, Mitzi, T. Herskovits 2012-3-16 226 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA664941  Baccharis brachyphylla J. C. Roos 1963-10-19 s.n. Riverside San Bernardino Mtns. Whitewater Wash near Painted Hill. 581 Comment
  RSA78374  Baccharis brachyphylla J. C. Roos 1950-12-2 5028 Riverside Monson Canyon, Eagle Mountains. 1067 Comment
  UCR115938  Baccharis glutinosa Mitch Provance, S. D. Boyd 1999-9-14 1784 Riverside Riverside, Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  POM10239  Baccharis salicifolia Charlotte M. Wilder 1904-3-19 s.n. Riverside Wilders Canyon, Jurupa Hills Comment
  RSA552717  Baccharis salicifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6686 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA652565  Baccharis salicifolia Don Fells 1948-2-15 s.n. Riverside 1/3 mile SE from 6th and California, Norco. 228 Comment
  RSA657170  Baccharis salicifolia Bob Rogers 1984-4-14 5 Riverside Collected in the San Jacinto river-bed on the North side of Hwy 74, 0.6 miles past Cranston ranger station going east from Hemet towards Mountain Center 610 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
  RSA93199  Baccharis salicifolia F. W. Peirson 1918-03 2231 Riverside Whitewater at head of Coachella Valley. Comment
  SD247573  Baccharis salicifolia subsp. salicifolia Sarah J. De Groot, Cheryl Sevilla, Rico Ramirez 2014-8-20 7239 Riverside North Fork Mission Creek, above preserve. Southeast San Bernardino Mountains, San Gorgonio Wilderness Area. 769 Comment
  CAS-BOT-BC106630  Baccharis salicina Carl B. Wolf 1931-3-13 1084 Riverside Colorado Desert, in old cotton field, 2 mi. north of Blythe 152 Comment
  RSA0108945  Baccharis sarothroides Duncan S. Bell, Amanda Bell 2012-1-28 3065 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  IRVC508  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 283 Riverside slope SE-5o wash, sand alluvial soil. 1037 Comment
  RSA696129  Baccharis sergiloides A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24601 Riverside Mojave Desert, Little San Bernardino Mtns.: Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1341 Comment
  JOTR35449  Bahiopsis parishii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 53 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop2) Comment
  LA31363  Bahiopsis parishii Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 C- 178 Riverside Morongo Wash Comment
  RSA550041  Bahiopsis parishii Walter Wisura, A. King, L. Newcomb 1992-4-10 4666 Riverside Low Desert: Mission Creek Ranch W of Hwy 62 below Morongo Valley Comment
  JOTR16564  Baileya pleniradiata Walters, Jim 1967-5-12 s.n. Riverside Joshua Tree National Park. EAST-WEST ACCESS ROAD TO LOST HORSE RANGER STATION Comment
  UC724347  Baileya pleniradiata Aven Nelson, Ruth A. Nelson 1939-3-30 3339 Riverside between Mecca and Blythe, hwys 60 and 70 Comment
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Feb 3 2011
  JOTR01237  Baileya pleniradiata Cole, James E. 1941-6-17 921 Riverside Joshua Tree National Park. LIVE OAK TANK 1219 Comment
  UC1931074  Barbarea orthoceras Scott D. White, Justin Wood 2008-7-9 12426 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  UCR221456  Bassia hyssopifolia Bill Wagner 2005-6-17 s.n. Riverside Peninsular Range; Gavilan Hills Region, Cajalco Flood Control Basin site (proposed, since constructed), at NE corner of El Sobrante Rd. and Cajalco Rd. 447 Comment
  RSA772537  Bebbia juncea Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4437 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UCR199615  Bebbia juncea Scott D. White, Angelia Carey 2004-7-2 10563 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  CAS-BOT-BC100127  Bebbia juncea var. aspera H. M. Hall 1901-6-1 2010 Riverside Canyon of the San Jacinto River 762 Comment
  HSC82758  Bebbia juncea var. aspera Christopher Davidson 1979-4-4 7688 Riverside Orocopia Mtns., lower end of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca 213 Comment
  UCR277805  Bebbia juncea var. aspera A. C. Sanders, Jim Malusa 2017-1-14 42657 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  CAS-BOT-BC75738  Berberis nevinii Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4074 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
  CAS-BOT-BC207045  Bernardia incana John C. Roos 1950-12-2 5027 Riverside Monson Canyon, Eagle Mts. 1066 Comment
  POM179754  Bloomeria crocea var. crocea H. M. Hall 1901-06 2101 Riverside South side of San Jacinto Mountains. 1463 Comment
  JOTR30069  Boerhavia intermedia La Doux, Tasha, Bill Truesdell 2006-10-3 1712 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  JOTR33814  Boerhavia wrightii La Doux, Tasha, B. Truesdell 2007-11-9 3329 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along south park boundary (Stop 5) 651 Comment
  JOTR38520  Boerhavia wrightii Harding, Mitzi, Kipp Callahan 2012-8-27 289 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  RSA0027474  Boerhavia wrightii Deidre Conocchioli, Billy Sale, Naomi S. Fraga 2013-9-25 52 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  RSA0106750  Boerhavia wrightii Duncan S. Bell 2011-9-30 2937 B Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  RSA778511  Boerhavia wrightii Amber Swanson 2011-10-9 646 Riverside On both sides of Hwy I-10 btwn Desert Center and Hayfields exits. 234 Comment
  CLARK-A1528-4503  Bouteloua aristidoides John C. Roos 1963-10-23 Riverside Chuckwalla Valley Comment
  SBBG14337  Bouteloua aristidoides E. R. Blakley 1961-9-12 4714 Riverside Pinyon Flat, Palms to Pines Hwy 1219 Comment
  UCR30058  Bouteloua aristidoides George K. Helmkamp 1983-4-5 483- 36 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  CAS-BOT-BC145608  Bouteloua barbata var. barbata Geo. B. Grant 6737 Riverside Palm Springs. Comment
  UCR113619  Bouteloua gracilis Stan C. Spencer 1999-12-15 s.n. Riverside San Gorgonio Pass, Beaumont, Oak Valley Golf Club 762 Comment
  UCR98073  Bowlesia incana A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19899 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  SD181775  Brachypodium distachyon Scott D. White, Teresa Salvato 2001-6-8 8584 Riverside Santa ana Mountains, southern margin of county, just northeast of Rainbow Valley; Temecula [quad]. On roadside. 334 Comment
  JOTR16657  Brandegea bigelovii Wilburn and Walters 1967-3-7 s.n. Riverside Joshua Tree National Park. LOWER WILSON CANYON Comment
  JOTR28796  Brandegea bigelovii La Doux, Tasha 2005-3-30 1065 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  SBBG69427  Brandegea bigelovii M. N. Ackley 1928-3-31 120 Riverside Painted Cyn 243 Comment
  UCR201682  Brassica geniculata Scott D. White, Justin M. Wood 2008-5-15 11991 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR94241  Brassica geniculata Scott D. White 1996-4-14 3906 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA657173  Brassica nigra Bob Rogers 1984-4-21 16 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. 915 Comment
  UCR125272  Brassica rapa A. C. Sanders 2002-11-21 25644 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  RSA770308  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4495 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64307 487 Comment
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Mar 7 2013
  RSA783014  Brassica tournefortii J. Andre 2011-2-9 15931 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  SD187378  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-5 9977 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR20832  Brassica tournefortii A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1302 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  SD137905  Brickellia californica Darin L. Banks, Steve Boyd 1995-10-17 761 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; along lower Arroyo Seco, south of the dripping Springs Campground. 515 Comment
  UCR89530  Brickellia incana Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Park, E side of Hexie Mtns, Porcupine Wash, below the point where the wash joins Ruby Lee Canyon. 735 Comment
  UCR154541  Brodiaea Jason L. Hlebakos 2005-5-18 708 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  RSA771884  Brodiaea santarosae Steve Boyd 2010-5-28 12282 Riverside Elsinore Peak, southeast of peak, north of trail along old Main Divide Road east of road up to communications towers 1012 Comment
  UCR260846  Bromus arizonicus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41412 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
  SEINET191889 Image available Bromus berteroanus C. L. Hitchcock 1940-4-2 5924 Riverside Joshua Tree National Monument ; Cottonwood springs wash Comment
  HSC99954  Bromus diandrus J. P. Smith, & J. O. Sawyer 2011-6-9 13201 Riverside 1470 Comment
  RSA179507  Bromus diandrus E. W. Lathrop 1959-5-17 4535 -A Riverside 14 miles west of Murrieta. Tenaja Plateau Comment
  UCR2234  Bromus hallii F. M. Reed 1908-7-14 2449 Riverside San Jacinto Mtns, Dry ridge on south side of Tahquitz 2378 Comment
  UCD58781  Bromus hordeaceus M. D. Wilcox 2003-5-13 s.n. Riverside French Valley. 'Greenway site' along Tucalota Creek. Ca. 1 mile east of Murrieta Hot Springs. 396 Comment
  RSA192235  Bromus hordeaceus E. W. Lathrop 1966-5-15 6319 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  JOTR37493  Bromus madritensis subsp. rubens Hodges, Stephen R. 2016-4-6 622 Riverside Joshua Tree National Park. Quail Mountain Complex, In winding wash ascending towards Quail Mountain and Minerva Hoyt peak from Johnny Lang Canyon Comment
  POM15214  Bromus marginatus Mary F. Spencer 1922-6-27 1985 Riverside Idyllwild. San Jacinto Mountains. 1707 Comment
  CSUSB431  Bromus mollis Kheng Try Seng 1966-4-24 660424 1 Riverside University of California, Riverside (UCR) campus 274 Comment
  SEINET14423552  Bromus mollis M. Fellows 1983-5-9 Riverside Just W of the UCR Herbarium Comment
  UCR158272  Bromus rubens A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29501 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
  UCR4221  Bromus rubens K. S. Gill 1965-3-14 s.n. Riverside UC Riverside Campus, near parking lot 19 244 Comment
  POM363959  Bromus rubens Bonnie C. Templeton, I. W. Clokey 1930-4-9 1008 Riverside North of Palm Springs. Colorado desert 400 Comment
  SEINET14451730  Bromus rubens F. S. Crosswhite 1961-1-21 1707 Riverside Weed along Chicago Ave.; Riverside. 0 183 Comment
  SEINET938598  Caesalpinia virgata T. S. Elias 1985-1 10151 Riverside Mecca Mountains just NE of Mecca; Painted Canyon Comment
  CLARK-A1528-3811  Calandrinia ambigua John C. Roos 1949-5-5 4098 Riverside Orocopia Comment
  UC724191  Calandrinia ambigua Aven and Ruth Nelson 1939-3-29 3326 Riverside near Palm Grove (at Hidden Springs at the Mecca road) Comment
  UCR37701  Calandrinia ambigua Robert McKernan 1985-3-26 s.n. Riverside Sonoran (Colorado) Desert, 6 mi north of Desert Center off Hwy 177 Comment
  RSA466561  Calandrinia ciliata Ora M. Clark 1929-4-7 2040 Riverside S. Hemet. Comment
  POM19841  Calocedrus decurrens Mary F. Spencer 1923-8-17 2247 Riverside Fern Valley, Idyllwild. San Jacinto Mt. 1646 Comment
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Nov 19 2011
  CAS-BOT-BC488545  Calochortus concolor Carl B. Wolf 1932-5-24 3654 Riverside No. base of San Jacinto Mts., Snow Creek Canyon, 1 mile above Fish Hatchery 792 Comment
  SD63338  Calochortus invenustus Walter Bertsch 1957-6-29 948 Riverside Desert slope of Toro Peak, Santa Rosa Mountains. 2660 Comment
  UCR281203  Calochortus palmeri var. munzii James Hughes 2017-6-21 s.n. Riverside San Jacinto Mountains, Fleming Ranch 1573 Comment
  UCR86247  Calochortus palmeri var. munzii Jeri Hirshberg 1995-5-25 s.n. Riverside San Jacinto Mtns, San Bernardino National Forest, south side of Hwy 74, 0.1 mi east of Ribbonwood Drive 1341 Comment
  UCR119826  Calochortus plummerae Mitch Provance 1998-6-9 631 Riverside Jurupa Mountains, SE Pyrite Canyon, c. .3 km NW of the Jurupa Mountains Culture Center. 366 Comment
  UCR30501  Calochortus plummerae John C. Roos, L. Roos 1952-5-30 5733 Riverside One year old burn on hills of North Moreno between Moreno and Redlands. In branch of San Timoteo Canyon. 503 Comment
  CHSC2242  Calochortus splendens E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
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Mar 27 2011
  POM123271  Calochortus splendens Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA525283  Calochortus splendens Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4597 Riverside Vail Lake area, steep SE flank of Oak Mountain above NE end of lake.. 579 Comment
  SBBG34221  Calochortus splendens T. L. Secrest 1951-5-20 Riverside 3 mi S of Banning Comment
  UC574973  Calochortus splendens C. Epling and J. Ewan Jun 1933 Riverside 4 mi above Corona; Temescal Canyon Comment
  JOTR30980  Calycoseris parryi La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1957 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  UC135211  Calycoseris parryi S. B. and W. F. Parish Apr 1882 1214 Riverside Morongo Comment
  CAS-BOT-BC282915  Calycoseris wrightii Roxana S. Ferris 1953-3-11 12604 Riverside Crossing on Highway US 60-70 of Eagle Mountain Iron Mine Railroad Comment
  JEPS122469  Calyptridium monandrum J. M. Andre 2012-6-15 30540 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  SDSU20275  Calyptridium monandrum Adrienne D. Russell, Michael G. Simpson 2000-4-29 128 Riverside North Field Station, Santa Margarita Ecological Reserve, rocky slope between trailer and gorge on edge of lot, driveway. Comment
  CLARK-A1528-7873  Calystegia longipes John C. Roos 1952-6-8 5747 Riverside Reche Canyon 579 Comment
  UCR24124  Calystegia macrostegia John C. Roos 1950-4-22 4748 Riverside Pigeon Pass. 457 Comment
  RSA543734  Calystegia macrostegia subsp. intermedia Steve Boyd, Timothy S. Ross, Mike Hammitt, Bob Boyd 1991-5-2 6069 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  SJSU8764  Calystegia macrostegia subsp. intermedia G. E. Eberle 1962-12-27 77 Riverside upper end of Two Trees Rd, Riverside Comment
  RSA0021242  Camissonia arenaria Amber Swanson, Duncan S. Bell 2011-3-20 246 Riverside Canyon Springs area N of the Bradshaw Trail. 340 Comment
  RSA516878  Camissonia bistorta Steve Boyd 1986-3-1 1360 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 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
  UCR116915  Camissonia bistorta A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23956 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 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
  RSA172301  Camissonia brevipes subsp. brevipes Robert F. Thorne 1963-3-29 32439 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 534 Comment
  UCR216225  Camissonia brevipes subsp. brevipes Jim Andre, T. La Doux 2009-2-25 10819 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  JOTR31039  Camissonia californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1291 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  RSA314675  Camissonia californica Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55502 Riverside San Bernardino Mountains -- on south end of ridge at mouth of Whitewater Canyon, east of bridge, about 3.3 miles north of Whitewater Post Office. 427 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
  UCR964  Camissonia campestris S. C. Anderson 1957-5-18 s.n. Riverside San Jacinto River, 1 mi north of junction of State Hwy 74 [presumably in vicinity of Valle Vista] Comment
  SD3347  Camissonia campestris subsp. campestris Ruth Randall 1922-4-9 219 Riverside Coachella; Painted Canyon. Comment
  POM14192  Camissonia cardiophylla P. A. Munz, D. Keck 1922-4-9 4772 Riverside Shavers Well, near Mecca. 76 Comment
  SEINET10492047  Camissonia cardiophylla David B. Dunn, Howard Brown 1947-1-12 Dunn 2843 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  RSA777404  Camissonia cardiophylla subsp. cardiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 837 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  RSA781997  Camissonia claviformis Duncan S. Bell 2011-12-30 3033 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCR118642  Camissonia claviformis George K. Helmkamp 1998-4-3 3081 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  RSA357767  Camissonia claviformis subsp. aurantiaca Robert F. Thorne, M. Z. Thorne 1973-3-30 42675 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs 488 Comment
  RSA80965  Camissonia claviformis subsp. aurantiaca G. R. Campbell 1952-4-6 18414 Riverside 2 mi. s. of jct. of Cottonwood Springs road, road through Joshua Tree National Monument, south from 29 Palms. 884 Comment
  RSA186795  Camissonia confusa Peter H. Raven 1962-5-18 17763 Riverside Junction [of] Main Divide Truck Trail with Ortega Highway, Santa Ana Mountains. 701 Comment
  SEINET10805068  Camissonia hirtella Andrew C. Sanders 2006-5-19 Sanders 32423 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Road and north of Clinton Keith Road (Murrieta 7.5'Q). Rocky slopes of granite and gabbro, loam and clay soil; coastal sage scrub/chaparral with Eriogonum fasc. fol., Salvia mellif., Adenostoma and groves of Quercus agrifolia. [T6S R3W S27, NE/4 & E/2 of NW/4] 518 Comment
  RSA500993  Camissonia ignota Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3112 Riverside Vail Lake area, at N base of rounded knob 1.25 mi WSW of dam. 610 Comment
  UCR120965  Camissonia ignota A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23883 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR116622  Camissonia pallida A. C. Sanders 2001-3-20 23854 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
  RSA449222  Camissonia pallida subsp. pallida Elizabeth A. White 1928-04 s.n. Riverside Colorado Desert, Indio Rd. Comment
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Oct 23 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
  POM91008  Camissonia pallida subsp. pallida E. C. Jaeger 1925-12-18 s.n. Riverside Eagle Canon, 5 miles east of Palm Springs 122 Comment
  RSA782087  Camissonia refracta Duncan S. Bell 2009-3-7 4 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  SEINET269601  Camissonia refracta John Wear 1995-3-22 Riverside Colorado Desert: Wash along Eagle Mountain Road N of I-10 near Deset Center. Comment
  UC1979872  Camissonia refracta Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 765 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills, Shaver's Well Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. Comment
  UCR163087  Camissonia refracta B. G. Pitzer 2000-5-7 4146 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  JEPS31569  Camissoniopsis bistorta W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1422 Riverside Van Deventer's Flat Santa Rosa Mts. Comment
  SDSU3315  Camissoniopsis bistorta R. S. Luaw, T. Mosquin 1957-4-1 Riverside 11 mi. w. Riverside Comment
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Mar 28 2014
  UC454581  Camissoniopsis bistorta I. J. Condit 1910-6-24 Riverside Idyllwild San Jacinto Mts. 914 Comment
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Mar 21 2011
  UC50342  Camissoniopsis bistorta H. M. Hall Apr. 1903 3843 Riverside near Midlands Comment
  UCSB42115  Camissoniopsis bistorta Roos, John 1966-4-5 Riverside Winchester Comment
  SD137703  Camissoniopsis hirtella Darin L. Bankls, Steve Boyd 1995-5-3 260 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountains, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SDSU3366  Camissoniopsis hirtella H. Wedberg 1958-5-18 304 Riverside At view-type parking area west of Mountain center, San Jacinto Mountains. Comment
  UC172326  Camissoniopsis ignota Charlotte M. Wilder 1903-4-23 103 Riverside near Riverside; Wilder's Comment
  UCR24104  Carex douglasii John C. Roos 1943-10-16 2739 Riverside Southern Mojave Desert, Falcon Flats, Little San Bernardino Mtns 1524 Comment
  CAS-BOT-BC20703  Carex fracta Carl B. Wolf 1932-8-5 3983 Riverside San Jacinto Mountains. Summit of San Jacinto Peak. 3293 Comment
  RSA88679  Carex lemmonii F. W. Peirson 1924-7-27 6024 Riverside Deer Spring, Dark Canyon, San Jacinto Mountains. 2439 Comment
  SEINET7568450 Image available Carex multicaulis Unknown 1969-6-24 38117 Riverside San Bernardino National Forest, San Jacinto Mts, above James Reserve in Hall Canyon. 1676 Comment
  CAS-BOT-BC118513  Carex praegracilis A. C. Sanders; Steve Boyd 1980-5-19 1501 Riverside San Jacinto Mountains, Garner Valley. W of Kenworthy Ranger Station. 1371 Comment
  RSA364682  Carex praegracilis H. de Forest s.n. Riverside E of Coachella Valley. Chino Canyon. Colorado Desert Comment
  UC729842  Carex sartwelliana Carl B. Wolf 1932-8-5 3943 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  SD112272  Carex senta Darley Howe 1941-6-8 1333 Riverside San Jacinto Mts, Strawberry Creek. Comment
  RSA496569  Castilleja affinis Bill Wagner 1988-4-5 s.n. Riverside Approx. 1.5 miles NW of the community of Murrieta. South side of I-15 Fwy at the junction of Nutmeg Rd. 381 Comment
  JEPS8583  Castilleja affinis subsp. affinis Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-3-30 3550 Riverside 2.6 mi n Murrieta (along Calif Hwy 71, between Wildomar and Murrieta) 396 Comment
  SDSU14181  Castilleja affinis subsp. affinis Martin M. Lane, M. G. Simpson 2002-4-20 8 Riverside At Santa Margrita River Ecological Reserve about 1/8 mile Nothreast of Northside Field Station on the loop trail, approximately 100 yards from the river over look. 341 Comment
  UCR79362  Castilleja densiflora subsp. gracilis Steve Boyd 1992-4-18 6900 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy 215; just SW of the junction of Briggs Road and Scott Road 457 Comment
  RSA769687  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-10 982 Riverside San Bernardino National Forest: Garner Valley, approximately 1.4 air miles southeast of junction of forest service road 6S13 and forest service road 6S04. 1365 Comment
  RSA773180  Castilleja exserta Duncan S. Bell, Joy D. England 2010-5-27 1130 Riverside San Bernardino National Forest: Garner Valley, approximately 1 air mile southeast of junction of forest service road 6S04 and forest service road 6S13. 1354 Comment
  UCR269903  Castilleja exserta D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3660 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
  UCR84601  Castilleja exserta Scott D. White, S. Ogg 1994-4-21 1950 Riverside San Bernardino Mountains, Millard Canyon, near pipeline infiltration site 4 mi south of Bear Wallow Spring 976 Comment
  RSA0010938  Castilleja exserta subsp. exserta N. C. Cooper 1944-3-24 999 Riverside Banning. 701 Comment
  CLARK-A1528-846  Castilleja foliolosa Fred B. Essig 1964-4-25 29 Riverside Comment
  RSA612477  Castilleja foliolosa D. L. Banks 1997-2-23 1340 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  UCR268586  Castilleja foliolosa Jim Andre 2012-6-15 30545 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  RSA0010915  Castilleja minor subsp. spiralis Philip A. Munz 1922-6-23 5767 Riverside Keen Camp, San Jacinto Mountains. 1524 Comment
  POM184169  Ceanothus crassifolius P. A. Munz 1932-3-24 12028 Riverside Base of mts. south of Elsinore Lake. 366 Comment
  RSA398880  Ceanothus crassifolius N. C. Cooper 1947-4-5 2028 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA606756  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27364 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  UC1071022  Ceanothus crassifolius A. Lewis 1934-5-1 444 Riverside Ortega Hwy Elsinore quad, Cleveland Nat. For. 762 Comment
  UC2015596  Ceanothus crassifolius Scott D. White 1996-3-16 3831 Riverside Perris Basin, Lakeview Mts., N of Winchester, at Maze Stone Picnic Area. Comment
  UCD162860  Ceanothus crassifolius J. Bisbee 2014-3-4 801 Riverside South on abandoned road from near end of Woodchuck Rd, just inside Agua Tibida Wilderness boundary, 1 mile south of Hwy 79. 657 Comment
  UCR114804  Ceanothus crassifolius Mitch Provance 1998-2-17 78 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR174055  Ceanothus crassifolius A. C. Sanders 2006-5-19 32451 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
  RSA575069  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -n Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA701745  Ceanothus cuneatus Steve Boyd, Valerie Soza 2004-6-22 11542 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  RSA399038  Ceanothus cuneatus Anstruther Davidson 1910-05 s.n. Riverside Desert slope of San Jacinto. Comment
  UC870570  Ceanothus greggii var. vestitus P. A. Munz, I. M. Johnston 1922-5-19 5447 Riverside Kenworthy, San Jacinto Mountains 1432 Comment
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Mar 25 2011
  CAS-BOT-BC51279  Ceanothus leucodermis Mary F. Spencer 1919-6-20 1205 Riverside Edge of woods, Mt. San Jacinto 1615 Comment
  JEPS42394  Ceanothus leucodermis C. V. Meyer June 1927 136 Riverside Saunder's Meadow San Jacinto Mts. Comment
  CAS-BOT-BC83761  Ceanothus ophiochilus D. O. Burge 2007-3-20 800 b Riverside Agua Tibia Wilderness Area, Cleveland National Forest 660 Comment
  UCSB3903  Ceanothus perplexans Keator, Glenn 1959-5-17 Riverside Pinon flats near Colorado desert on Palms to Pines highway. Comment
  SD136766  Ceanothus spinosus Steve Boyd, Orlando Mistretta 1992-4-22 7009 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 609 Comment
  UC1071423  Ceanothus tomentosus A. Lewis 1933-2-1 145 Riverside St. John's Grade San Jacinto Quad. Comment
  UC217954  Ceanothus tomentosus P. A. Munz 1922-4-30 5131 Riverside St. John's Grade, south of Hemet. Comment
  UCR269223  Ceanothus vestitus T. B. Salvato, Arlee Montalvo 2015-8-22 8239 Riverside San Jacinto Mountains, Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74 1418 Comment
  CLARK-A1656-865  Cenchrus echinatus Jon Mark Stewart 1983-10-24 Riverside Palm Desert Comment
  CDA7293  Centaurea X pouzinii F. J. Willmarth 1960-6-2 Riverside Old Fuller Rancho, near Corona. 0 Comment
  CAS-BOT-BC277063  Centaurea melitensis T. C. Fuller 1964-4-14 11814 Riverside N.W. corner of Washington & La Fonda Sts., La Quinta, Coachella Valley Comment
  UCR125301  Centaurea repens A. C. Sanders, Seuk Ku Hong 2003-1-22 25669 Riverside San Bernardino Valley Region, Riverside, Arlington area, Doolittle Ave. 0.1-10. km NW of Van Buren Blvd., west of Riverside Airport and east of the site of Hole Lake 226 Comment
  SD152949  Centaurea solstitialis Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7690 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road at the confluence of Los Alamos Creek. 395 Comment
  RSA391487  Centaurium exaltatum S. B. Parish 1891-1 s.n. Riverside Santa Ana River. Comment
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Aug 8 2010
  RSA650569  Centaurium venustum C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 250 Riverside In desert 15 miles north [E?] of Riverside 366 Comment
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Dec 15 2011
  UC1584124  Centromadia pungens subsp. laevis D. Bramlet 1990-7-26 2062 Riverside just e Diaz Rd. (and within the Murrietta Creek Channel, at the Rancho California St. bridge in Temecula); Murietta Creek 330 Comment
  RSA11596  Cercidium floridum C. Epling, Wm. Robison 1933-6-24 s.n Riverside Collected near Indio. Comment
  JEPS64758  Cercidium floridum subsp. floridum W. L. Jepson 1928-4-23 12545 Riverside Shavers Well Colorado Desert 152 Comment
  UC1128901  Cercidium floridum subsp. floridum H. S. Yates 1936-4-8 5453 Riverside near Fish Springs; Thermal Quadrangle 60 Comment
  CAS-BOT-BC135494  Cercocarpus betuloides var. betuloides A. C. Sanders; N. Ferguson 1994-6-2 14625 Riverside San Jacinto Mountains: Bautista Canyon ca. 1 mile above the foerst service boundary. 850 Comment
  JOTR30772  Cercocarpus betuloides var. betuloides La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1884 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  UCR34891  Chaenactis artemisiifolia L. B. Ziegler 1975-6-11 542 Riverside San Jacinto Mtns., near Hwy 74 at Dry Creek 1009 Comment
  SBBG25008  Chaenactis carphoclinia D. Myrick 1966-4-1 1349 Riverside Desert Hot Springs, adjoining Linda Vista Lodge Comment
  POM15070  Chaenactis carphoclinia var. carphoclinia Mary F. Spencer 1922-4-13 1756 Riverside Chino canyon, Colorado Desert. 183 Comment
  OBI23318  Chaenactis fremontii Robert F. Hoover 1969-4-14 11228 Riverside Palm Springs, just S of South City limit Comment
  POM351706  Chaenactis fremontii P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs Comment
  RSA0117925  Chaenactis fremontii Sarah J. J. De Groot, Cheryl Sevilla 2016-3-15 7637 Riverside Santa Rosa Mountains: along Dunn Road between Haystack and Asbestos Mountains; southwest of Palm Desert, northeast of Potrero Spring, between Palm and Deep Canyons. 1217 Comment
  RSA731077  Chaenactis fremontii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10462 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
  UC917302  Chaenactis fremontii R. L. Smith 1948-3-24 Riverside foot of Andreas Canyon Comment
  UCD81587  Chaenactis fremontii Chuck Hughes 2009-3-27 70 Riverside S of Hwy 62 near the abandoned Desert Center Airport. Near Rice, CA. 227 Comment
  POM11996  Chaenactis glabriuscula var. glabriuscula Mary F. Spencer 1921-6-16 343 Riverside Wayside in Banning 701 Comment
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Mar 13 2011
  RSA586110  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Steve Boyd 1995-4-5 0150 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, W of the Dripping Springs Trail, on alluvial terraces of the W fork of Arroyo Seco. 3 573 Comment
  RSA770699  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4801 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SBBG65580  Chaenactis glabriuscula var. glabriuscula Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  UC34689  Chaenactis glabriuscula var. glabriuscula E. A. Zumbro 1902-4-1 Riverside near (Box Springs Mt.) Riverside; Box Springs Mt., Riverside Comment
  CAS-BOT-BC100676  Chaenactis parishii Peter H. Raven 1959-5-18 14247 Riverside 0.9 miles south of Mountain Center on road to Aguanga, San Jacinto Mountains Comment
  RSA796458  Chaenactis stevioides Duncan S. Bell 2009-4-18 218 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  JOTR01244  Chaenactis stevioides Cole, James E. 1941-4-13 545 Riverside Joshua Tree National Park. OLD DALE SANDY FLATS 396 Comment
  UCD81586  Chaenactis xantiana Chuck Hughes 2009-3-27 71 Riverside S of Hwy 62 near the abandoned Desert Center Airport. Near Rice, CA. 227 Comment
  RSA793464  Chamaesyce albomarginata Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-11 4370 Riverside Mecca Hills: at Hidden Spring just off Hidden Spring Canyon, approximately 2.6 air miles south of Shaver Well, or approx. 5.4 air miles northeast of junction of Box Canyon Road and the Coachella Canal. 216 Comment
  RSA0034090  Chamaesyce polycarpa Duncan S. Bell 2013-1-30 4449 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
  RSA475290  Chamaesyce polycarpa Steve Boyd 1988-3-10 2100 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA763996  Chamaesyce polycarpa Justin M. Wood, Dustin M. Ray 2010-10-21 3005 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  POM86120  Chamaesyce polycarpa var. hirtella Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  POM8325  Chamaesyce serpillifolia H. M. Hall 1904-5-24 4961 Riverside Santa Ana river near Riverside. 244 Comment
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Nov 24 2016
  RSA0099598  Chamaesyce setiloba Duncan S. Bell, Evan Meyer 2014-10-29 7699 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  SEINET3869777  Cheilanthes clevelandii Steve Boyd, Laurel Arnseth; Timothy S. Ross 1990-3-30 3968 Riverside Vail Lake area, westerly draining cyn at N base of 'Big' Oak Mtn.; 0 640 Comment
  JOTR35350  Cheilanthes covillei Andre, Jim 2012-4-11 20693 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  UC42440  Cheilanthes covillei S. B. Parish and W. F. Parish July, 1880 Riverside San Jacinto Mts Comment
  UC811560  Cheilanthes covillei Ivan Johnston 1917-4-4 1113 Riverside Palm Canyon; Colorado Desert 762 Comment
  UCR163400  Cheilanthes covillei O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  CAS-BOT-BC70293  Cheilanthes newberryi S. B. Parish 1918-4-3 11707 Riverside Lakeside Mt. Comment
  RSA1497  Cheilanthes newberryi J. T. Howell 1929-2-14 1231 Riverside on l. side of Temescal Canyon, 3 mi. so. of Glen Ivy Comment
  RSA632461  Cheilanthes newberryi Scott D. White 1999-5-28 7435 Riverside Gavilan Hills: Ca. 3 air miles SE of junction Cajalco Rd. / Gavilan Rd.: East of Juniper Rd. between Blue Sky Drive and Celestial Dr. 670 Comment
  RSA189430  Cheilanthes parryi L. S. Rose 1966-12-13 66101 Riverside Palm Springs, Tahquitz Wash Desert 182 Comment
  RSA685829  Cheilanthes viscida I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Little Palm Canyon fork 305 Comment
  UC366532 Image available Cheilanthes viscida J. G. Lemmon 1824-1 Riverside White Water River; Colorado Desert Comment
  UCR225439  Chenopodium A. C. Sanders, T. B. Salvato 2011-3-29 38846 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  RSA621895  Chenopodium ambrosioides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3634 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  SD146315  Chenopodium berlandieri T. B. Salvato, A. C. Sanders 2000-4-27 59 Riverside Coachella Valley between Filmore and Buchanan on Avenue 56. -36 Comment
  RSA0014928  Chenopodium californicum LeRoy Gross, Caitlin Elam 2013-5-14 6087 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR102926  Chenopodium murale George K. Helmkamp, E. A. Helmkamp 1998-2-5 2685 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  RSA27511  Chenopodium murale I. L. Wiggins 1941-3-24 9584 Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line. Comment
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Feb 20 2013
  UCR116952  Chenopodium strictum var. glaucophyllum A. C. Sanders, T. B. Salvato 2001-5-3 24118 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  SEINET2065474 Image available Chilopsis linearis M. Roskey, F. Boyen 1933-6-5 521 Riverside Big Morongo Nature Conservancy Preserve, south of Morongo Valley. 502 Comment
  SEINET238935  Chilopsis linearis A. C. Sanders, T. B. Salvato 2000-4-27 23374 Riverside Coachella Valley: east side of Coachella Canal near the foot of the Mecca Hills vicinity of the east end of Ave. 60 (Me 15 Comment
  UCR111993  Chilopsis linearis A. C. Sanders, T. B. Salvato 2000-4-27 23374 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  UCR193910  Chilopsis linearis A. C. Sanders, Mitch Provance 2008-7-11 35824 Riverside South Coast; San Jacinto Valley, Gilman Springs Road, 1.13 mi. (air) south of Eden Hot Springs, below Mt. Eden 450 Comment
  JEPS9185  Chilopsis linearis subsp. arcuata W. L. Jepson 1901-5-22 1361 Riverside Palm Canyon to Van de Venter's s. of Palm Springs; San Jacinto Mts. Comment
  UC577429  Chloris virgata J. and H. W. Grinnell 1937-11-30 1081 a Riverside 24 mi w Blythe (bed of Ford Dry Lake); bed of Ford Dry Lake Comment
  UCR2285  Chloris virgata F. M. Reed 1936-8-26 9802 Riverside Riverside, on the Bell lot, Massachusetts Avenue 290 Comment
  RSA587579  Chlorogalum parviflorum Darin L. Banks, Steve Boyd 1995-6-2 578 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail immediately S of the wilderness boundary gate, W of the Dripping Springs Alcove Area. 633 Comment
  RSA747792  Chorizanthe brevicornu Scott D. White, Justin M. Wood 2009-3-24 12572 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
  SEINET7063566  Chorizanthe brevicornu 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
  UCR60784  Chorizanthe brevicornu Steve Boyd, Orlando Mistretta 1986-3-13 1422 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  UC849120  Chorizanthe brevicornu var. brevicornu Lewis S. Rose 1937-4-10 37184 Riverside 8 mi n Indio; n of Indio 137 Comment
  UCR87638  Chorizanthe coriacea A. C. Sanders 1994-5-29 14545 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  CAS-BOT-BC191851  Chorizanthe corrugata Edmund C. Jaeger 1939-3-31 s.n. Riverside Box Canon [canyon] 30 Comment
  JOTR36428  Chorizanthe corrugata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3401 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  UCR215795  Chorizanthe leptoceras Anuja Parikh 1990-5-12 167 Riverside north of Agua Tibia Wilderness, south of Dripping Springs Campgrouns, 1.0 km south of Hwy 79, 2.8 km east of Woodchuck Road 494 Comment
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Mar 9 2014
  POM97111  Chorizanthe leptotheca P. A. Munz 1925-5-20 9843 Riverside Aguanga Valley. Comment
  UCR104902  Chorizanthe parryi A. C. Sanders 1997-3-19 20009 Riverside Lake Skinner area, slopes north of Tucalota Creek c. 3/4 mi. (1.25 km) east of the lake 470 Comment
  UCR19724  Chorizanthe parryi var. parryi J. R. Holliday 1969-5-5 40 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
  RSA736038  Chorizanthe polygonoides var. longispina Scott D. White, Justin M. Wood 2008-4-16 11884 Riverside Perris/Elsinore Basin: Hills to the W of I-215 and S of Scott Rd. 488 Comment
  RSA16359  Chorizanthe procumbens Percy C. Everett 1935-6-18 7173 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
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Dec 29 2009
  UCR177642  Chorizanthe staticoides S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 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
  RSA38715  Chrysothamnus paniculatus P. A. Munz 1946-10-20 11585 Riverside Cottonwood Springs, Joshua Tree National Monument. 1067 Comment
  RSA503356  Chrysothamnus paniculatus S. J. Myers 1988-10-18 s.n. Riverside Garnet Hill, N of Palm Springs, between the Southern Pacific railroad tracks and Hwy 10, E one-third of Granet Hill, SE to Palm Drive 206 Comment
  RSA781915  Chrysothamnus paniculatus Duncan S. Bell 2010-5-1 895 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  CHSC64325  Chylismia cardiophylla subsp. cardiophylla Chris Dietrich; M. Merello, H. Schmidt 1994-4-12 22 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Along wash. 380 Comment
  JOTR38683  Chylismia claviformis subsp. aurantiaca Hodges, Stephen R. 2017-2-7 699 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  UCSB7336  Chylismia claviformis subsp. aurantiaca Hawkins, L. 1956-4-14 Riverside at entrance to white water canyon Comment
  UCR89755  Cirsium occidentale var. californicum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3300 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  RSA0059653  Cirsium occidentale var. occidentale A. C. Sanders, J. Goetzen 1996-5-1 18128 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  UCR80804  Cirsium occidentale var. occidentale Scott D. White 1993-5-29 1437 Riverside San Bernardino Mtns., Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1067 Comment
  UC63136  Cirsium scariosum H. M. Hall 1897-5-18 541 Riverside Cahuilla Comment
  UCR158089  Clarkia A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20683 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek 915 Comment
  UCR57226  Clarkia Jeri Hirshberg 1989-5-2 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW of Mesa de Burro 610 Comment
  UCR177939  Clarkia dudleyana Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 529 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA586329  Clarkia epilobioides D. L. Banks, Steve D. Boyd 1995-5-3 194 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
  UCR256915  Clarkia purpurea Naomi Fraga, Duncan S. Bell 2009-5-6 2708 Riverside Arroyo Seco SE of Dripping Springs Campground and Fire Station 518 Comment
  SEINET4040371  Clarkia purpurea subsp. quadrivulnera G. Sphon 1959-1 319 Riverside Horsethief Canyon, Elsinore Mountains. Comment
  POM12788  Clarkia rhomboidea P. A. Munz 1922-6-23 5771 Riverside Keen Camp, San Jacinto Mountains. 1524 Comment
  JEPS43759  Clarkia similis W. L. Jepson and H. M. Hall 1901-5-19 1265 Riverside San Jacinto River Comment
  CLARK-A1528-5356  Clarkia unguiculata John C. Roos, Lucille Roos 1952-4-28 5587 Riverside Riverside 259 Comment
  RSA552733  Claytonia parviflora subsp. tenuifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6754 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  RSA386221  Clematis lasiantha Christopher Davidson 1977-5-18 5629 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  RSA770707  Clematis ligusticifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4810 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA291596  Clematis pauciflora C. W. Tilforth, Walter Wisura 1979-4-11 1787 Riverside Hills on south side of Lake Skinner, east of Murrieta. 427 Comment
  RSA522769  Clematis pauciflora Steve Boyd, Tim S. Ross, Laurel Arnseth 1990-3-29 3876 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UC1125977  Clematis pauciflora A. Lewis 1934-3-4 304 Riverside Tin Mine Canyon Cleveland Nat'l Forest, Corona Quad., Tin Mine Canyon Comment
  UCR213446  Clematis pauciflora A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37803 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  RSA543191  Cleome isomeris Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6111 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  CSUSB872  Clytostoma callistegioides Paul E. Peterson, O. F. Clarke 1968-10-2 Riverside University of California (UCR). Lath house behind greenhouse #12 Comment
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May 3 2014
  RSA0065502  Coldenia palmeri David B. Dunn 1947-7-12 2951 Riverside Below the Palms in Pushawalla Canyon, in Indio Hills. Comment
  SBBG70871  Coleogyne ramosissima R. H. Nordhoff 1940-11-11 591 Riverside Morongo Pass Comment
  POM307241  Collinsia concolor Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2107 Riverside Santa Rosa Mountains. Comment
  UC472798  Collinsia concolor Mary F. Spencer Jun 1921 1916 Riverside Idyllwild; San Jacinto Mtns 1584 Comment
  UCR193369  Collinsia concolor A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35635 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  RSA736260  Collinsia heterophylla Scott D. White, Justin M. Wood 2008-4-3 11790 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' property, Alberhill area. 274 Comment
  RSA0043037  Colubrina californica Duncan S. Bell, Evan Meyer 2014-4-3 6531 Riverside Chuckwalla Mountains; northeast section of range; Spring Tank, approximately 3.25 air miles southeast of Desert Center. 446 Comment
  UCR41549  Colubrina californica A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6141 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  RSA0024815  Condalia globosa var. pubescens Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-23 4461 Riverside Orocopia Mountains; southeast section of range, south of Salt Creek, about 0.25 air mile south of the Bradshaw Trail. 469 Comment
  UCR107825  Convolvulus arvensis D. L. Banks 1997-5-5 1953 Riverside NW Palomar Mtns., Agua Tibia Mtns: NW foothills of Dorland Mtns, at intersection of Los Caballos Road and Anza Road, just south of the golf course. 427 Comment
  UCR52577  Convolvulus simulans S. J. Myers 1988-6-4 s.n. Riverside Rancho California area, east of Winchester Road, between Auld Road & Borel Road 396 Comment
  RSA191427  Conyza coulteri E. W. Lathrop, R. F. Thorne 1967-9-26 6603 Riverside 6 mi. NW of Murrieta, Tenaja Road at the pass entering valley leading to Tenaja Guard Station. 610 Comment
  UCR164284  Cordylanthus rigidus S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  UC729816  Cordylanthus rigidus subsp. setiger Carl B. Wolf 1932-8-4 3917 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  UCR108473  Coreopsis A. C. Sanders, D. Woodard, K. C. Rose 1995-3-22 16195 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  HSC85257  Coreopsis californica Steve Boyd 1986-4-22 1746 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  POM356008  Coreopsis californica M. B. Dunkle 1935-3-30 4420 Riverside Pinto Basin, Colorado Desert. 915 Comment
  SFV13133  Corethrogyne filaginifolia M. J. Thor 1982-9-16 118 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  UCSB6470  Corethrogyne filaginifolia Kamb, Peter 1948-10-21 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  UCR24939  Cornus nuttallii A. C. Sanders 1980-7-22 1709 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  SD90599  Crassula aquatica Robert F. Thorne, Earl Lathrop 1969-5-12 37923 Riverside Santa Rosa Plateau; large vernal marsh on south end of Mesa de Colorado, Rancho California. 625 Comment
  UCR154548  Crassula aquatica Jason L. Hlebakos 2005-5-18 698 Riverside Santa Rosa Plateau, Pool on E side of Mesa de Burro, above upper end of Miller Canyon 610 Comment
  OBI8334  Crassula connata David J. Keil, Malcolm McLeod 1977-3-26 12014 Riverside 8 mi NW of lake Elsinore State Recreation area along Calif 71 366 Comment
  UCR20730  Crassula connata A. C. Sanders, Steve Boyd 1980-5-2 1394 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR228931  Crassula connata A. C. Sanders 2011-4-7 39025 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  RSA346790  Crassula connata R. F. Thorne, Dick Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54023 Riverside [San Bernardino Mountains: Whitewater River area.] Comment
  RSA678286  Crassula connata var. connata Michael Wall 2003-5-24 296 Riverside Northeast of Skinner Reservoir, Rawson Canyon, off Rawson Rd., 2.7 miles from jct. with Washington Ave. off Winchester Rd. 564 Comment
  UCR139617  Cressa truxillensis A. C. Sanders 2004-7-1 28375 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile NW of the "Menifee-Antelope Community Hall", 0.6 mi. east of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and c. 5 miles due south of Sun City 457 Comment
  CAS-BOT-BC181563  Crossosoma bigelovii A. C. Sanders; K. Rose 1995-4-5 16349 Riverside Alluvial slopes and foothills S of Mission Creek and E of Hwy 62 - San Bernardino Mtns./Coachella Valley 701 Comment
  CAS-BOT-BC181565  Crossosoma bigelovii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater, Colorado Desert 304 Comment
  RSA625172  Crossosoma bigelovii L. C. Wheeler 1963-3-17 8247 Riverside Santa Rosa mountains: Martinez Canyon. 670 Comment
  JEPS52473  Croton californicus R. L. Pendleton 1905-9-25 Riverside Riverside Comment
  JOTR28934  Croton californicus La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1168 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  JOTR30082  Croton californicus La Doux, Tasha, Bill Truesdell 2006-10-3 1721 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA480580  Croton californicus B. C. Templeton, C. B. Clokey, J. W. Clokey 1930-4-15 1488 Riverside Near Gavilan Peak. 500 Comment
  RSA770782  Croton californicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4604 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SJSU1875  Croton californicus J. W. Tilden 1957-4-18 1092 Riverside near Whitewater, E of San Gorgonio Pass Comment
  SEINET12141354  Croton californicus J. F. Bright, Wyman, C. 1933-1 8058 Riverside near Palm Springs Comment
  RSA303502  Croton californicus var. mohavensis J. R. Shevock 1972-3-13 1402 Riverside Hwy 111, near Palm Springs 183 Comment
  SD42975  Croton setiger Ethel Bailey Higgins 1948-3-21 Riverside near Elsinore Comment
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Jul 11 2010
  SD137960  Crypsis schoenoides Darin L. Banks, Steve Boyd 1995-10-17 806 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground, along the narrow benches where Arroyo Seco turns to the east just west of the Metasedimentary hills 1720 Comment
  RSA773183  Cryptantha Duncan S. Bell, Joy England 2010-5-27 1135 Riverside San Bernardino National Forest: Garner Valley, approximately 1 air mile southeast of junction of forest service road 6S04 and forest service road 6S13. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1354 Comment
  POM72271  Cryptantha angustifolia Marcus E. Jones 1903-5-10 6808 Riverside Palm Spring. 61 Comment
  UC100903  Cryptantha angustifolia A. V. Stubenranch 1905-4-10 Riverside Mecca Colorado Desert Comment
  UCR165811  Cryptantha angustifolia John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  PASA1975  Cryptantha barbigera Sally Ellis 1939-3-31 Riverside Colorado Desert Comment
  POM118734  Cryptantha barbigera Marcus E. Jones 1924-2-28 s.n Riverside Desert Center, Colorado Desert Comment
  UCR41599  Cryptantha barbigera A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6021 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  UCR86212  Cryptantha barbigera A. C. Sanders 1995-5-23 17114 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
  UCR167235  Cryptantha barbigera var. fergusoniae 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
  UCR276655  Cryptantha barbigera var. fergusoniae Jim Andre 2015-3-6 33550 Riverside Coachella Valley, along Snow Canyon oad, just south of Hwy 111 362 Comment
  UCR213611  Cryptantha corollata A. C. Sanders, Matthew Malle 2010-4-23 38003 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  CLARK-A1528-1120  Cryptantha intermedia Charles S. Papp 1964-5-3 454 Riverside Riverside Comment
  POM368270  Cryptantha intermedia M. B. Dunkle 1932-3-25 2875 Riverside Cabazon, Colorado Desert. Comment
  POM368273  Cryptantha intermedia Ora M. Clark 1929-3-2 1601 Riverside Near Alberhill Comment
  RSA779066  Cryptantha intermedia C. P. Cowan 1978-4-25 1277 Riverside 6.7 (10.7 km) miles SW on 74 from jct. with 71, 4.6 (7.3 km) miles from Lake Elsinore, Santa Ana Mountains, Cleveland National Forest. Whittaker transect #W-229. Comment
  SD227780  Cryptantha intermedia A. C. Sanders 1994-5-29 14547 Riverside San Bernardino Mountains: Morongo Indian Reservation, sandy alluvial slopes among hills on the low pass between Millard Cyn. And Potrero Cr. 750 Comment
  SEINET7073407  Cryptantha intermedia A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UC402785  Cryptantha intermedia Charlotte M. Wilder 1907-4-6 875 Riverside e end San Gorgonio Pass; Colorado Desert, Whitewater Comment
  UCR156096  Cryptantha intermedia T. B. Salvato, Kent Beaman 2005-5-16 801 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
  JOTR35364  Cryptantha maritima Harding, Mitzi, M. Wheeler 2011-1-26 148 Riverside Joshua Tree National Park. West Coxcombs, north facing rocky slope (STOP3) 328 Comment
  UCR103573  Cryptantha maritima George K. Helmkamp, E. A. Helmkamp 1998-2-18 2742 Riverside Chuckwalla Mtns, Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. 488 Comment
  IRVC27448  Cryptantha micromeres A. C. Sanders, Steven R. Hill 2001-5-4 24129 Riverside W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho C. Rd. Santa Ana Mtns. region 488 Comment
  SD212524  Cryptantha microstachys A. C. Sanders 2006-5-19 32441 Riverside Hills between Murrieta and Menifee Valley, west of I-215, South of Bundy Canyon/Scott Road and North of Clinton Keith Road. 518 Comment
  UC1595623  Cryptantha microstachys Steve Boyd 1991-5-20 6263 Riverside w flank Alberhill Mtn. (w end adjacent to old clay mine area); Temescal Canyon 426 Comment
  UCR48412  Cryptantha microstachys Steve Boyd 1986-4-22 1731 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  SD247356  Cryptantha muricata A. C. Sanders 2013-7-6 40838 Riverside San Jacinto Mountains: Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  UCR88430  Cryptantha muricata A. C. Sanders, K. C. Rose 1995-4-5 16344 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  SBBG19075  Cryptantha muricata var. jonesii M. A. Piehl 1963-6-2 63544 Riverside Hwy 74, ca. 1.2 mi W of Mountain Center 1341 Comment
  JEPS26234  Cryptantha nevadensis Marjorie D. Clary 1932-3-2 1650 Riverside 2 mi w Coral Reef Ranch; Colorado Desert, Coachella 60 Comment
  POM14165  Cryptantha nevadensis P. A. Munz, D. D. Keck 1922-4-9 4800 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 457 Comment
  UCR280921  Cryptantha nevadensis Fred M. Roberts 2016-3-5 7996 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  SDSU18706  Cryptantha pterocarya f. pterocarya Kristen Hasenstab, M. G. Simpson 2008-4-2 65 Riverside Joshua Tree National Park. Growing amongst big boulders under Nolina sp. in southwest end of Hidden Valley, southwest of the Hidden Valley Nature Trail by 500ft. 1273 Comment
  RSA80751  Cryptantha racemosa F. W. Peirson 1920-2-16 4718 Riverside Foot of Alkali Canyon, southeast of Palm Canyon, Coachella Valley. Comment
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Aug 30 2011
  POM9856  Cryptantha racemosa E. C. Jaeger s.n. Riverside County Well Canyon [6.8 miles below Pinyon Well on the road to Indio, presumably in what is now called Pushawalla Canyon] Comment
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Apr 24 2011
  RSA689696  Cryptantha simulans Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1704 Riverside Slope above junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  GMDRC2046  Cryptantha utahensis J. Andre 2006-4-26 6765 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  JOTR30312  Cryptantha utahensis La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1749 Riverside Joshua Tree National Park. Stop 3: Northwest end of Eagle Mountains, near road to Cottonwood Canyon. 898 Comment
  UC79447  Cryptantha utahensis C. R. Orcutt Apr 1889 Riverside Colorado Desert Comment
  UCR25962  Cryptantha utahensis John C. Roos 1948-5-1 3816 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater, N slope on a mountainside 549 Comment
  CAS-BOT-BC68029  Cryptogramma acrostichoides F. W. Peirson 1921-8-14 2557 Riverside Sierra Nevada - Triple Falls, Cartridge Creek 2438 Comment
  UC921126  Cucurbita palmata V. D. Miller 1945-5-17 Riverside Cottonwood Springs 1066 Comment
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Oct 9 2010
  SD126648  Cuscuta californica var. papillosa J. C. Roos 1946-12-7 3184 Riverside Pushawalla Wash Comment
  CDA39945  Cuscuta campestris R. Davis 1960-5-24 s.n. Riverside 0 Comment
  UCR182506  Cuscuta salina Mitch Provance 2005-5-17 6562 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
  SBBG30056  Cuscuta subinclusa L. C. Wheeler 1933-12-1 2284 Riverside San Gorgonio wash at Southern Pacific Railroad, San Gorgonio Pass 640 Comment
  RSA478740  Cycloloma atriplicifolium Lester H. Cushman 1932-8-24 s.n. Riverside Near Vineland, where the Valley Blvd. crosses the San Bernardino Co. line. Comment
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Nov 5 2011
  UCR93074  Cycloloma atriplicifolium A. C. Sanders, S. Ogg 1994-7-28 15171 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  SD186156  Cylindropuntia californica var. parkeri J. S. Ross, T. B. Salvato 1998-6-9 MOR 326 A Riverside Morongo Indian Reservation, Lion Canyon, ca. 3.5 miles northnorthwest of Cabazon. 854 Comment
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Apr 1 2015
  SEINET9037755 Image available Cylindropuntia ganderi var. ganderi M. A. Baker 2015-1 18385 .1 Riverside San Jacinto Mountains, 25km SSE of central Palm Springs, 800m WSW of Sugarloaf Mountain 1238 Comment
  SEINET716811  Cylindropuntia ramosissima R. Puente, G. and A. Puente-Reinhardt 1998-11-7 741 Riverside 1.5mi e of Chirico Summit Comment
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Jan 7 2016
  RSA708075  Cynodon dactylon Scott D. White, Angelia Carey 2004-4-16 10167 Riverside Indian Creek and adjacent slopes. 549 Comment
  UCR77691  Cyperus acuminatus Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6334 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  CLARK-A1528-1  Cyperus eragrostis Fred B. Essig 1966-9-12 Riverside Riverside Comment
  RSA522102  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3795 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA770779  Cyperus eragrostis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4617 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR59804  Cyperus eragrostis Jeri Hirshberg 1989-7-25 s.n. Riverside Peninsular Range, Marsh near SW edge of Vail Lake Comment
  CAS-BOT-BC114418  Cyperus erythrorhizos A. C. Sanders; Dave Bramlet; M. Costea; T. B. Salvato 1999-10-15 23179 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi SE of Jackrabbit Trail, 433 Comment
  POM10287  Cyperus parishii Charlotte M. Wilder 1905-06 615 Riverside Wilder s [near Riverside] Comment
  JEPS35183  Cystopteris fragilis Carl V. Meyer 1928-7-27 555 Riverside summit San Jacinto Peak Comment
  SFV17535  Dalea mollis R. Moss Apr 1998 s. n. Riverside Mojave Desert Mecca Hills Wilderness Area (BLM) north of Salton Sea near Shavers Well. 500 Comment
  CLARK-A1656-655  Dalea mollissima Lois Ann Scott 1978-4-12 Riverside La Quinta Comment
  RSA404193  Dalea mollissima L. C. Wheeler 1931-11-26 391 Riverside Salton Bench Mark, Colorado Desert. -15 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
  RSA782036  Dasyochloa pulchella Duncan S. Bell 2011-10-22 2979 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SEINET7048217  Datisca glomerata Steven R. Hill, Andrew C. Sanders 2001-5-4 33730 Riverside Santa Rosa Plateau, Carancho Road, at crossing of De Luz Creek (headwaters), Fallbrook 7.5' quad. Elevation 1140-1180 feet. 359 Comment
  POM292766  Datura discolor Lyman D. Benson, Robert Benson 1952-4-8 14859 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
  RSA781415  Datura discolor Duncan S. Bell 2011-10-22 2995 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SEINET10898390  Datura wrightii David Charlton 1988-2-25 Charlton 1163 Riverside Box canyon wash between the Mecca Hills and Orocopia Mtns. 10 miles S of I-10 and N of Mecca and Salton Sea. 305 Comment
  RSA470788  Daucus pusillus Robert Gustafson, Gary D. Wallace 1983-6-23 2707 Riverside Santa Ana Mountains, Clinton Keith Road near junction with Tenaja Road. Comment
  UC1563109  Deinandra kelloggii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-10 3673 Riverside below the dam Temecula Creek Canyon; Vail Lake Area 457 Comment
  SD231214  Deinandra paniculata Scott D. White 2003-12-1 9890 Riverside Santa Ana River Valley: City of Riverside (La Sierra area). Riverside West. 244 Comment
  UCR274535  Deinandra paniculata Mitch Provance, Ken Halama 2003-6-15 17067 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR281840  Deinandra paniculata R. E. Riefner Jr. 2017-8-12 17- 385 Riverside Perris-Aguanga Basin, city of Temecula, along the levee of Murrieta Creek, north side of Diaz Road, at Remington Avenue 327 Comment
  RSA398676  Delphinium parishii Anstruther Davidson 1924-1 s.n. Riverside [Unspecified] Comment
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Nov 17 2011
  CAS-BOT-BC7981  Delphinium parishii subsp. parishii J. E. Cole 1942-5-10 951 Riverside Joshua Tree National Monument 1341 Comment
  SD133019  Delphinium parryi Scott White 1991-5-13 91 95 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs 548 Comment
  UCR162975  Delphinium parryi N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 187 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR110965  Delphinium parryi subsp. parryi George K. Helmkamp 1998-6-27 4095 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  SD232141  Deschampsia danthonioides Scott D. White, Justin M. Wood 2008-6-19 12267 Riverside San Jacinto Mountains, Meadows at Baldy Mountain. Comment
  UCR222303  Deschampsia danthonioides R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55219 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  UCR2319  Deschampsia elongata F. M. Reed 1920-7-14 4408 Riverside San Jacinto Mtns., Strawberry Creek above Idyllwild 1646 Comment
  SEINET10527286  Deschampsia gracilis Philip A. Munz 1941-5-18 Munz 16645 Riverside Dried mud-flat, 15 miles NE of Temecula. Comment
  UCR89593  Descurainia pinnata Bern Schwenn 1994-4-29 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument (Park)., flat country east of Lost Horse Mtns, near Mystery Hole. In wash near mine tailings (Sec. 34, south of Cal. Riding and Hiking Trail) and near old road to Indio 1311 Comment
  RSA263755  Dicentra chrysantha E. W. Lathrop 1973-04 6884 Riverside 4 miles betw. Tin Mine Canyon and Santiago Peak, Skyline Drive 732 Comment
  UCR97241  Dichelostemma capitatum subsp. capitatum Scott D. White 1997-2-9 4673 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  POM1676  Dichelostemma capitatum subsp. pauciflorum I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Colorado Desert. Comment
  RSA339628  Dicoria canescens R. F. Thorne 1980-5-28 54158 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
  UCR92770  Dicoria canescens F. M. Reed 1928-2-15 5707 Riverside Sonoran (Colorado) Desert, west of Edom along the highway 213 Comment
  UCR140298  Dimorphotheca sinuata A. C. Sanders 2004-4-9 27465 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
  CAS-BOT-BC152917  Diplacus brevipes Street; Durant 1918-5-12 s.n. Riverside San Jacinto Comment
  SEINET270935  Diplacus fremontii Richard J. Shaw 1958-1 1095 Riverside Joshua Tree National Monument; Main highway approximately 10 miles from White Tank Campground. Comment
  RSA0019405  Diplacus fremontii Carl B. Wolf 1932-8-6 3996 Riverside 2.9 mi From Idyllwild on the road to Hemet. 1220 Comment
  RSA0018432  Diplacus longiflorus var. calycinus R. S. Woglum 1937-5-22 533 Riverside Anza, Cahuilla Valley. Comment
  RSA740769  Dipsacus fullonum Scott D. White, Justin M. Wood 2008-6-18 12207 -B Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. 1341 Comment
  RSA421624  Ditaxis californica Robert L. Dressler 1952-4-19 1210 -a Riverside Just south of Vidal Junction. Comment
  UC868541  Ditaxis lanceolata Alice Eastwood 1913-4-30 3008 Riverside Blue Canyon Palm Springs; , Blue Canyon Comment
  UCR233148A  Ditaxis lanceolata Jim Andre, Glenn L. Clifton 2011-2-22 17464 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR246845  Ditaxis lanceolata Jim Andre 2012-3-19 21322 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
  RSA708275  Ditaxis neomexicana Scott D. White, Brian Leatherman 2005-5-4 11012 Riverside Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and East of the Coachella Canal. 24 Comment
  UCR208852  Ditaxis neomexicana Scott D. White 2001-4-12 8311 Riverside Sonoran (Colorado) Desert, Shavers Valley, north of the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 351 Comment
  UCR245988  Ditaxis neomexicana Duncan S. Bell 2012-9-13 4188 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  UCR178551  Ditaxis serrata R. G. Swinney 1967-3-12 079 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, north side, south of Desert Center 366 Comment
  CLARK-A1528-5015  Dithyrea californica John C. Roos 1937-4-18 1367 Riverside Comment
  POM47105  Dithyrea californica Mary F. Spencer 1918-3-28 765 Riverside Palm Springs. 137 Comment
  POM305364  Dodecatheon clevelandii Henry J. Ramsey, Henry J. Ramsey 1938-3-26 654 Riverside Between Corona and Elsinore. Comment
  UCR216393  Dodecatheon clevelandii Mike Bell 2008-3-30 021 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  UCR60717  Dodecatheon clevelandii subsp. clevelandii K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 889 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  RSA0124741  Draba cuneifolia Duncan S. Bell, LeRoy Gross 2016-3-9 8844 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  UCR65289  Draba cuneifolia Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3867 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  RSA180368  Drymocallis glandulosa E. W. Lathrop 1960-6-8 4908 Riverside 14 miles west of Murrieta Comment
  IRVC142  Dryopteris arguta R. H. Whittaker, W. A. Niering 1963-5-28 SJ 32 Riverside Mountain Center to Hemet. San Jacinto Mountains 915 Comment
  IRVC19379  Dryopteris arguta R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  SD138002  Dryopteris arguta Darin L. Banks, Steve Boyd 1995-2-16 51 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope AguaTibia Mtn., south of Dripping Springs Alcove, east of Woodchuck Trail Comment
  SD67635  Dudleya abramsii P. A. Munz 1922-6-23 5788 Riverside San Jacinto Mountains; Two miles northwest of Kenworthy. 1370 Comment
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Mar 25 2011
  CAS-BOT-BC427976  Dudleya arizonica S. B. Parish; W. F. Parish 1882-4-1 588 Riverside Borders of the Colorado Desert, Whitewater Comment
  RSA180422  Dudleya edulis E. W. Lathrop 1965-4-25 5698 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  POM10286  Dudleya multicaulis Charlotte M. Wilder 1905-5-31 583 Riverside West Riverside Plains Comment
  UCR5884  Dudleya multicaulis Charles Prentiss 1966-5-10 s.n. Riverside Santa Ana Canyon, 300 yards south of Riverside - Newport Freeway, 1 mi. east of Orange County line. Comment
  CAS-BOT-BC109608  Dudleya saxosa subsp. aloides Carl B. Wolf 1937-4-5 8414 Riverside San Gorgonio Pass, 1 mile west of Whitewater. 365 Comment
  JEPS49889  Dudleya saxosa subsp. aloides W. L. Jepson 1914-5-18 6011 Riverside n Indio (Lookout Mtn near Pinon Well); Colorado Desert Comment
  RSA164074  Dudleya saxosa subsp. aloides Donald W. Kyhos 1960-06 2 Riverside Bed of San Gorgonio River 2 mi. N or Banning. Comment
  RSA0125223  Echinocereus engelmannii var. engelmannii D. A. Young 1969-4-18 P 416 Riverside 3 miles south of the Deep Canyon Turnoff on the Palms to Pines Highway on the east side of the road. 549 Comment
  CAS-BOT-BC32714  Echinocereus engelmannii var. munzii P. A. Munz; I. M. Johnston 1922-5-21 5570 Riverside Field redacted by CAS, contact the data manager for more information 1417 Comment
  RSA0018887  Echinochloa colona Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6022 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  UCR189551  Eclipta prostrata Fred M. Roberts, S. Leatherman 2007-9-19 6578 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR207329  Ehrharta erecta O. F. Clarke 2000-4-22 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR153984  Ehrharta longiflora Arlee Montalvo, Julie M. Evans 2005-5-14 662 Riverside Santa Ana Mtns., Foothills of Santa Ana Mtns. Santa Margarita River at the Santa Margarita Ecological Reserve. At edge of sandy/rocky channel of riparian area 244 Comment
  SEINET3896142  Elatine californica Robert F. Thorne, M. Z. Thorne; Walter Wisura 1978-5-21 51987 Riverside Santa Rosa Plateau, Mesa de Colorado.; 0 610 Comment
  RSA612700  Eleocharis palustris Darin L. Banks 1997-3-29 1598 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  RSA612703  Eleocharis palustris Darin L. Banks 1997-3-29 1595 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  SBBG101695  Eleocharis palustris S. Boyd, T. Ross 1991-6-14 6382 Riverside Warm Springs Crk at the NE end of Hogbacks ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UCR241485  Eleocharis parishii Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 237 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR17656  Eleocharis rostellata A. C. Sanders 1975-6-17 0747 Riverside Santa Ana Riverbottom, just upstream from the Salt Lake Railroad bridge 213 Comment
  SEINET4208316  Elymus glaucus subsp. glaucus Steve Boyd, Tim Ross 1992-6-10 7641 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek.; 0 671 Comment
  UCR24986  Elymus hispidus A. C. Sanders 1980-7-18 1677 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  CAS-BOT-BC234141  Elymus multisetus H. M. Hall 1901-6-1 2037 Riverside South side San Jacinto Mountains 1371 Comment
  SEINET186321 Image available Elymus trachycaulus subsp. trachycaulus Philip A. Munz 1938-8-14 15350 Riverside Santa Rosa Peak 2290 Comment
  UCR201669  Elymus trachycaulus subsp. trachycaulus Scott D. White, Justin M. Wood 2008-6-19 12273 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR57206  Elymus triticoides Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta. Mouth of a small SW-draining channel on the SW side of Mesa de Burro Comment
  POM10397  Emmenanthe penduliflora E. A. Zumbro 1905-05 s.n. Riverside Rubidoux Hill, Riverside. Comment
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May 22 2011
  RSA662568  Emmenanthe penduliflora P. Shirokawa 1998-5-15 28 Riverside Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  UC667294  Emmenanthe penduliflora Annie M. Alexander and Louise Kellogg 1941-5-11 2147 Riverside 1.5 miles north of Cottonwood Spring; Colorado Desert, Eagle Mountains 975 Comment
  RSA613867  Emmenanthe penduliflora B. Pitzer 1997-4-11 3116 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. Approx. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM Nelson) 610 Comment
  SBBG37505  Emmenanthe penduliflora var. penduliflora R. N. Muller 1967-4-8 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  CAS-BOT-BC131161  Encelia actoni Lewis S. Rose 1935-12-23 35698 Riverside Above Deep Canyon, San Jacinto Mts. 914 Comment
  JEPS34095  Encelia actoni Marjorie D. Clary 1932-5-12 1904 Riverside Lost Horse Canyon north Colorado Desert, Little San Bernardino Mountains, Lost 1066 Comment
  JEPS34119  Encelia actoni C. V. Meyer 1927-6-1 210 Riverside w base of San Jacinto Mts (along Idyllwild Road) Comment
  RSA0067722  Encelia actoni Cheryl Sevilla, Sarah J. De Groot 2015-3-18 41 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; off the Pacific Crest Trail about 1.1 air miles north of the Whitewater Preserve Ranger Station; on the plain west of the Whitewater River drainage. 738 Comment
  RSA575858  Encelia actoni Steve Boyd 1980-9-22 s.n. Riverside Lakeview Mountains, Juniper Flats area along Juniper Flats Rd. at '4 J's Ranch.' Comment
  RSA0105079  Encelia farinosa Daphne K. Christopher, Hannah Stevens 2003-4-6 102 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  RSA160038  Encelia farinosa David B. Dunn 1948-1-25 3647 Riverside NE of the top of the grade E of Riverside, California 5miles out Comment
  UCR75064  Encelia farinosa A. C. Sanders, E. J. Lawlor 1992-4-4 12129 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR91469  Encelia farinosa Scott D. White 1995-3-30 2682 Riverside San Jacinto Valley, Moreno Valley: base of Badlands slopes, north of Highland Blvd & west of Theodore St 579 Comment
  SEINET10618313  Encelia farinosa David B. Dunn 1948-2-21 Dunn 3662 Riverside Pushawalla; in wash. Comment
  JEPS34101  Encelia frutescens W. L. Jepson Oct 22 1912-Nov 7 1912 5245 Riverside Riverside Mountains Colorado River, Riverside Mountains 45 Comment
  JOTR30983  Encelia virginensis La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1961 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  RSA597528  Ephedra aspera L. C. Wheeler 1956-2-24 7175 Riverside Pines to Palms Highway ca. 0.45 mi. downhill from 3000 ft. marker. Rocky east facing slope 915 Comment
  UCR281022  Ephedra aspera Fred M. Roberts 2016-3-5 8002 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  RSA33305  Ephedra californica N. C. Cooper 1943-10-3 940 Riverside Cabazon, Alkali flat. 610 Comment
  RSA383875  Ephedra californica Christopher Davidson, B. Gustafson 1977-4-7 5575 Riverside White water Canyon Rd., exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62. Near start of Angeles Crest Trail. 610 Comment
  SEINET5869097 Image available Ephedra californica C. E. Jones, N. Rojas 2001-1 JSR 2 Riverside Whitewater Canyon Rd, 0.7 mi N of jct with Whitewater Cut-off from Interstate Hwy 10, E side of rd, in wash below small substation. Comment
  UCR35213  Epilobium canum L. B. Ziegler 1967-8-30 233 Riverside San Jacinto Mtns., Upper Strawberry Valley under Lily Rock. 1982 Comment
  CHSC1162  Epilobium canum subsp. canum E. Thomas 1939-11-12 Riverside Glen Ivy. Comment
  CAS-BOT-BC171726  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-12 4299 Riverside Colorado Desert, Little San Bernardino Mts., Pinyon Well 1219 Comment
  CAS-BOT-BC171740  Epilobium canum subsp. latifolium S. B. Parish 1916-5-13 10859 Riverside Cottonwood Spr., Colorado Desert 792 Comment
  CAS-BOT-BC171746  Epilobium canum subsp. latifolium Lewis S. Rose 1945-12-28 45340 Riverside Tahquitz Canyon, Palm Springs, Colorado Desert 213 Comment
  UC69571  Epilobium ciliatum subsp. ciliatum Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  UC472831  Epilobium glaberrimum subsp. glaberrimum Mary Fiske Spencer 1919-7-1 Riverside Idyllwild San Jacinto Mt. 1584 Comment
  RSA381726  Epipactis gigantea George Henry Grinnell 1919-6-1 s.n. Riverside Riverside. Comment
  UCR207988  Epipactis gigantea Mrs. Burton 1908-5-30 s.n. Riverside Peninsular Range/San Bernardino Valley, Riverside Comment
  RSA125550  Equisetum hyemale var. affine R. Weatherby 1949-5-14 439 Riverside Dripping Springs. 457 Comment
  UC576272  Eragrostis cilianensis H. S. Yates 1936-8-29 6372 Riverside Idlewild; San Jacinto Quadrangle Comment
  UCR142069  Eragrostis intermedia A. C. Sanders 2002-11-21 25653 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  POM201787  Eragrostis mexicana subsp. virescens L. M. Booth 825 Riverside Hard roadside. Comment
  UC1495814  Eragrostis pectinacea var. pectinacea A. C. Sanders and S. Hagopian 1981-5-20 2154 Riverside se Temecula (ne of S16 along the entrance road to the Cal Turf Sod Farm, Wolf Valley); Wolf Valley 329 Comment
  UCR166021  Eremalche exilis Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  RSA172245  Eremalche rotundifolia Robert F. Thorne 1963-3-29 32399 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
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Dec 11 2011
  UCR148481  Eremalche rotundifolia John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  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
  RSA450313  Eremocarpus setiger J. C. Roos 1965-7-27 s.n. Riverside Elsinore. Comment
  SBBG6260  Eremocarya micrantha H. and M. Dearing 1942-2-5 4791 Riverside Cathedral City Comment
  UC880216  Eriastrum densifolium subsp. austromontanum I. W. Clokey and E. G. Anderson 1935-8-21 6829 Riverside e Keen Camp P.O. 1350 Comment
  UCR35045  Eriastrum densifolium subsp. densifolium L. B. Ziegler 1967-6-14 159 Riverside San Jacinto Valley, 1 mi. east of San Jacinto 473 Comment
  RSA0110546  Eriastrum densifolium subsp. elongatum Mark Brunell 1993-7-9 124 Riverside Arroyo Seco Creek, Adjacent to Dripping Springs Public Campground road, ca. 500 m south of terminal loop of campground road, along east side bank of creek. 488 Comment
  UC1329878  Eriastrum eremicum subsp. eremicum James E. Cole 1941-5-21 770 Riverside Ruby Lee Mill Site Joshua Tree National Monument 914 Comment
  RSA0120107  Eriastrum eremicum subsp. eremicum J. R. Shevock 1971-5-8 1030 Riverside S. entrance, Joshua Tree National Monument. 457 Comment
  UC729817  Eriastrum sapphirinum Carl B. Wolf 1932-8-4 3915 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  RSA0122958  Eriastrum sapphirinum subsp. dasyanthum Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA0121593  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross 1991-6-14 6389 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA0122974  Eriastrum sapphirinum subsp. sapphirinum H. M. Hall 1901-08 2635 Riverside San Jacinto Mountains. The south side. 1585 Comment
  CAS-BOT-BC286792  Ericameria cuneata var. spathulata Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-24 255 Riverside East of so. end of Marion Ridge Rd., Pine Cove, Idyllwild, San Jacinto Mts. 1828 Comment
  POM281150  Ericameria cuneata var. spathulata Ethel Rush 1951-4-12 166 Riverside Split Rocks Tank, Joshua Tree Natl. Mon. Little San Bernardino Mt. Range, Salton Sea Drainage Area. 1067 Comment
  RSA520085  Ericameria cuneata var. spathulata Steve Boyd 1988-10-8 2859 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UC494685  Ericameria cuneata var. spathulata P. A. Munz 1932-10-16 12848 Riverside road Indio to Vandeventer Flat; Santa Rosa Mts. 1066 Comment
  RSA239812  Ericameria linearifolia C. W. Tilforth 1973-4-29 780 Riverside Along Hwy 74 between Alpine Village & Paradise Valley , 1 miles E of jct with Santa Rosa Mtns, fire road. Comment
  RSA91784  Ericameria linearifolia F. W. Peirson 1921-3-21 2380 Riverside Gordon trail from Andreas Canyon to San Jacinto Peak. 915 Comment
  RSA736780  Ericameria parishii Scott D. White, Angelia Carey 2004-7-2 10559 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  CAS-BOT-BC131639  Ericameria parishii var. parishii Edmund C. Jaeger 1923-6-24 s.n. Riverside East slope of San Jacinto Mtn. 2133 Comment
  RSA597065  Ericameria pinifolia D. L. Banks, Lauren Raz 1996-11-5 1155 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  SD137893  Ericameria pinifolia Darin L. Banks, Steve Boyd 1995-10-17 788 Riverside Agua Tibia Mountains, Northwest Palomar Mountain, Cleveland National Forest, Along lower Arroyo Seco, south of the Dripping Springs Campground 515 Comment
  UCR88572  Ericameria pinifolia A. C. Sanders, J. C. Lyman 1995-4-16 16558 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  CAS-BOT-BC33495  Erigeron breweri var. jacinteus Harvey Monroe Hall 1901-6-1 2322 Riverside San Jacinto Mountains; near Tauquitz 2690 Comment
  UC63357  Erigeron divergens F. Gilman 1902-1 25 Riverside Palm Springs Comment
  POM161198  Erigeron foliosus Hattie Wright 1929-6-25 s.n. Riverside Idyllwild, San Jacinto Mts. Comment
  SD185133  Erigeron foliosus T. B. Salvato, John F. Green 2004-5-27 634 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  UCR220150  Erigeron foliosus D. E. Bramlet 1989-5-15 1858 Riverside Peninsular Range, North Domenigoni Hills, near top of knoll 2184, 5600 ft. north of Newport Road and 9200 ft. east of the MWD canal 622 Comment
  UC217913  Erigeron foliosus var. foliosus P. A. Munz 1922-6-23 5785 Riverside Hemet Valley 1371 Comment
  CLARK-A1528-541  Eriodictyon crassifolium Charlotte Stocks 1962-6-13 Riverside San Jacinto Mountains Comment
  RSA450469  Eriodictyon crassifolium J. C. Roos 1965-6-13 s.n. Riverside Palms to Pines Hwy., San Jacinto Mtns. Comment
  SDSU6012  Eriodictyon crassifolium A. H. Gallup 1948-6-12 Riverside San Jacinto Road from San Jacinto. Comment
  UC1087301  Eriodictyon crassifolium E. K. Balls and P. C. Everett 1957-11-4 22743 Riverside Snow Creek; n base San Jacinto Mts., Snow Creek 701 Comment
  UC1124323  Eriodictyon crassifolium A. Lewis May 1934 451 Riverside w Long Canyon; Cleveland National Forest, Elsinore Quad. Comment
  UCR120803  Eriodictyon crassifolium Ian G. Gillespie, Summer Karsh 2000-5-13 41 Riverside San Jacinto Mtns., c. 200 m up Mt. Edna Road off of Hwy 243 on the northern side of the mountains. 1159 Comment
  SDSU65  Eriodictyon crassifolium var. crassifolium Gerald Collier 1951-5-26 Riverside 15 miles east of Hemet. Dry rocky slopes. St. Hwy. 74. SanJacinto Mountains. San Bernadino National Forest. Comment
  UCR42550  Eriodictyon trichocalyx B. G. Pitzer 1986-4-26 0188 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  RSA0065642  Eriodictyon trichocalyx var. trichocalyx Cheryl Sevilla, Sarah J. De Groot 2015-3-17 36 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; in the Whitewater river drainage 0.38 air miles northwest of the Whitewater Preserve Ranger Station. 687 Comment
  RSA771739  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4813 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  RSA0103621  Eriogonum apiculatum Duncan S. Bell, Sarah DeGroot 2015-9-21 8646 Riverside Santa Rosa Mountains; north side of Asbestos Mountain, approximately 0.5 air mile east of Potrero Spring. 1147 Comment
  SD181397  Eriogonum apiculatum Louis Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains; divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  UCR146124  Eriogonum apiculatum Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1454 Riverside Peninsular Ranges; San Jacinto Mountains, East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  CAS-BOT-BC242783  Eriogonum davidsonii Louis C. Wheeler 1931-10-2 178 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 1371 Comment
  JEPS57108  Eriogonum davidsonii Marjorie D. Clary 1932-11-14 1674 Riverside se Kenworthy; Van Deventer Flats 1341 Comment
  JOTR29270  Eriogonum davidsonii La Doux, Tasha 2005-8-17 1540 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Barker Dam; near Wall Street Mill parking lot along trail heading toward Wonderland Wash 1319 Comment
  JOTR30641  Eriogonum davidsonii La Doux, Tasha, Erin Babich 2008-4-21 1803 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  UCR102433  Eriogonum davidsonii G. R. Ballmer 1991-6-22 s.n. Riverside San Jacinto Mtns., SE end of Garner Valley, on Pacific Crest Trail about 2-3 mi north of junction with Hwy 74; in vicinity of Bull Canyon Comment
  UCR269220  Eriogonum davidsonii T. B. Salvato, Arlee Montalvo 2015-8-22 8235 Riverside San Jacinto Mountains, Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74 1418 Comment
  RSA781603  Eriogonum deflexum Duncan S. Bell 2011-12-30 3029 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  SBBG1478  Eriogonum deflexum H. and M. Dearing 1949-4-16 6751 Riverside Box Cyn Comment
  UCR72235  Eriogonum deflexum Theo Glenn 1991-5-24 91- 132 Riverside Sonoran (Colorado) Desert, Palen Mtns, NE of Desert Center 399 Comment
  CAS-BOT-BC256122  Eriogonum deflexum var. deflexum Lewis S. Rose 1936-12-26 36824 Riverside Hayfield, 5 mi. W of Desert Center Comment
  JEPS57017  Eriogonum elongatum var. elongatum Mary Beal 1939-10-25 705 Riverside deert side of San Gorgonio Pass Mojave Desert Comment
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Mar 15 2014
  UCR239248  Eriogonum elongatum var. elongatum Thomas R. Stoughton, E. Gardner, D. Bell 2010-11-12 717 Riverside Transverse Ranges; San Bernardino Mountains, Pacific Crest Trail, west of White Water Canyon, north of the junction of Hwy I-10 and Rte 111 732 Comment
  CLARK-A1528-738  Eriogonum fasciculatum C. M. Flanagan 1973-5-31 OO 629 Riverside Morongo Indian Reservation 0 Comment
  UCR89543  Eriogonum fasciculatum Bern Schwenn 1994-4-29 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument (Park)., flat country east of Lost Horse Mtns, near Mystery Hole. In wash near mine tailings (Sec. 34, south of Cal. Riding and Hiking Trail) and near old road to Indio 1311 Comment
  VVC410  Eriogonum fasciculatum Markell Kohn 1959-2-26 s.n. Riverside Santa Ana River Drainage, Campus of UCR; 100 yds south on road behind CES administration bldg. 360 Comment
  UCR176888  Eriogonum fasciculatum subsp. foliolosum Tracy Tennant 1998-7-1 s.n. Riverside San Jacinto Valley, SE of Winchester, 'North Hills', at south end of California Ave. 457 Comment
  UC1032043  Eriogonum fasciculatum var. fasciculatum N. French 1934-1-10 16 Riverside ne Temecula Indian Res.; San Luis Rey Quadrangle Comment
  POM115636  Eriogonum fasciculatum var. foliolosum A. M. Alexander, Louise Kellogg 1941-5-23 2223 Riverside 1.5 miles northeast of Cottonwood Spring, Eagle Mountains. 976 Comment
  RSA125858  Eriogonum fasciculatum var. foliolosum E. K. Balls, Percy C. Everett 1957-11-6 22791 Riverside 0.5 miles north of junction Hwy. 79 and road to Coahuila. 655 Comment
  JEPS56984  Eriogonum fasciculatum var. polifolium W. L. Jepson 1901-5-31 1562 b Riverside Temescal Wash 335 Comment
  LA206789  Eriogonum fasciculatum var. polifolium Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  RSA509530  Eriogonum fasciculatum var. polifolium Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyon Road. 366 Comment
  SD90099  Eriogonum fasciculatum var. polifolium Nancy Ryan Zabriskie, Walter Zabriskie 1972-3-28 479 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mts. 609 Comment
  UC412782  Eriogonum fasciculatum var. polifolium R. L. Pendleton 1905-9-28 256 Riverside Riverside Comment
  UCD100074  Eriogonum fasciculatum var. polifolium Nancy Ryan Zabriskie 1969-4-27 204 Riverside Andreas Canyon near Palm Springs. 365 Comment
  UCR132919  Eriogonum gracile 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
  RSA701167  Eriogonum inflatum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11230 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UCSB18617  Eriogonum inflatum Winn, Will 1963-2-23 Riverside top of dike at Avenue 56 and All American Canal; Coachella Valley 6 Comment
  RSA4967  Eriogonum maculatum Carl B. Wolf 1932-4-27 3031 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
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Dec 11 2011
  JEPS56484  Eriogonum pusillum Marjorie D. Clary 1932-5-13 1037 Riverside Lost Horse Canyon, north Colorado Desert Colorado Desert, Lost Horse Canyon 1219 Comment
  RSA783125  Eriogonum pusillum J. D. Olmsted 1958-3-30 s.n. Riverside Transition zone near southern entrance to Joshua Tree National Monument with southern drainage towards Salton Sea Comment
  RSA0048306  Eriogonum pusillum A. Lee Haines 1973-3-25 s.n. Riverside Orocopia Mts. Comment
  CAS-BOT-BC253016  Eriogonum reniforme Annie M. Alexander; Louise Kellogg 1941-5-15 2178 Riverside North base of Eagle Mountains, Colorado Desert 914 Comment
  PASA1491  Eriogonum reniforme Margaret Stason 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
  CAS-BOT-BC263533  Eriogonum thomasii S. B. Parish 1906-5-1 440 -6741 Riverside Colorado Desert at Palm Springs Comment
  JEPS56259  Eriogonum thomasii W. L. Jepson 1927-4-11 11624 Riverside Whitewater Bridge 457 Comment
  POM230614  Eriogonum thomasii I. W. Clokey 1933-4-17 s.n. Riverside Cottonwood Springs. Comment
  RSA27712  Eriogonum thomasii C. L. Hitchcock 1940-3-31 5890 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  RSA424958  Eriogonum thomasii Robert Gustafson 1980-4-3 1524 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  RSA510049  Eriogonum thomasii B. Pitzer 1988-3-10 657 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  UC665902  Eriogonum thomasii Ira L. Wiggins 1941-3-27 9679 Riverside s end of Coxcomb Mountains 8 mi ne Desert Center; Coxcomb Mountains Comment
  RSA708566  Eriogonum thurberi Scott D. White, Jennifer H. Jones 2005-5-24 11100 Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 Comment
  SBBG65516  Eriogonum thurberi L. Rowntree 1929-5-15 Riverside Morongo Pass Comment
  UCR160283  Eriogonum thurberi A. C. Sanders 1990-5-21 10022 Riverside San Jacinto Valley, Sanderson Ave. near Gilman Springs Rd., NW of San Jacinto 457 Comment
  RSA0029099  Eriogonum wrightii subsp. subscaposum John F. Emmel 1994-9-25 1356 Riverside Black Mountain Scenic Area: along Pacific Crest Trail, on ridge NNE of Black Mountain. 2073 Comment
  RSA735474  Eriogonum wrightii var. membranaceum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3573 Riverside Southern spur of Pine Meadow, southeast of Highway 371, northwest of Santa Rosa Summit. Survey north side of Highway 74. 1477 Comment
  SD122865  Eriogonum wrightii var. membranaceum Steve Boyd 1985-10-5 1190 Riverside Harford Springs Co. Park, north edge of the Gavilan Plateau, Gavilan Hills, Gavilan Creek 2000 Comment
  UCR22009  Eriogonum wrightii var. membranaceum Steve Boyd 1980-9-1 341 Riverside Harford Springs County Park. Located on the NW corner of the Gavilan Plateau. Along old dirt roadbed, S border. Comment
  SBBG28182  Eriogonum wrightii var. nodosum M. F. Gilman 1932-11-30 11 Riverside Whitewater Pt Comment
  UCR137173  Eriogonum wrightii var. nodosum Larry E. DeBuhr 1977-5-6 2587 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi N from I-10 671 Comment
  UCR24325  Eriogonum wrightii var. nodosum John C. Roos 1943-10-16 2741 Riverside Southern Mojave Desert, Falcon Flats, Little San Bernardino Mtns 1524 Comment
  RSA502897  Eriophyllum confertiflorum Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
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Feb 22 2015
  RSA519250  Eriophyllum multicaule Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR249827  Eriophyllum multicaule T. B. Salvato, John Lovio 2013-3-19 7366 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  RSA92742  Eriophyllum multicaule J. C. Roos 1952-5-19 5690 Riverside One year old burn on hills N of Moreno. 503 Comment
  UCSB19368  Eriophyllum wallacei Creighton, B. 1961-5-6 Riverside 7.9 miles south of Banning on Banning-Idyllwild road, about 25 miles east of Riverside 1158 Comment
  UCR269900  Erodium brachycarpum D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3655 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
  RSA198940  Erodium brachycarpum Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37435 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  SEINET269332  Erodium cicutarium Karen Kirtland 1993-6-19 Riverside San Jacinto River Valley: along I-215 between 4th St. (Perris) and approximately 0.25 miles south of the San Jacinto Riv 430 Comment
  UC63848  Erodium macrophyllum H. M. Hall 1897-5-4 523 Riverside Alice Mine Comment
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Jun 2 2012
  RSA336175  Eryngium aristulatum var. parishii R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51968 Riverside Santa Rosa Plateau: Mesa de Colorado 609 Comment
  RSA0077524  Erysimum asperum G. Wallace 1964-4-26 s.n. Riverside San Jacinto Mountains. Comment
  UCR35188  Erysimum capitatum L. B. Ziegler 1967-6-1 144 Riverside San Jacinto Mountains, Hemet Valley, near Hemet Lake. 1341 Comment
  RSA249838  Erysimum capitatum var. capitatum R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38102 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  SEINET269260 Image available Erythranthe guttata M. A. Patten, S. J. Myers 1993-1 Riverside Along Tahquitz Creek and in neighboring creosote scrub behind the debris basin dam in Palm Springs 183 Comment
  RSA0014886  Erythranthe tilingii L. Crutcher 1933-8-22 2 Riverside Tahquitz Valley, San Jacinto Mountains. Comment
  CAS-BOT-BC403361  Eschscholzia californica P. A. Munz; R. D. Harwood 1920-2-28 3271 Riverside 3 mi west of Corona 304 Comment
  CAS-BOT-BC403364  Eschscholzia californica S. B. Parish 1894-6-14 3140 Riverside Banning, San Bernardino Mountains, and their eastern base 914 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
  SD140040  Eschscholzia californica Scott White 1993-4-22 1243 Riverside Nor Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  SDSU12927  Eschscholzia californica Jutta Buschbom 1991-6-9 43 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  CAS-BOT-BC418697  Eschscholzia glyptosperma Carl B. Wolf 1932-4-29 3104 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 mi. So. of Browns Well 243 Comment
  CLARK-A1656-689  Eschscholzia glyptosperma Lois Ann Scott 1979-3-2 Riverside Rancho Mirage 91 Comment
  CAS-BOT-BC474565  Eschscholzia minutiflora Shannon M. Still 2009-2-21 438 Riverside Unspecified 223 Comment
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Sep 2 2017
  RSA0022949  Eschscholzia minutiflora Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4612 -b Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0023128  Eschscholzia papastillii M. Wall 2008-4-26 453 Riverside Chuckwalla Mountains; Corn Springs wash at Corn Springs Rd. crossing ca. 8.0 miles SW of Chuckwalla Rd. 435 Comment
  CAS-BOT-BC419625  Eschscholzia parishii John Thomas Howell 1928-3-25 3539 Riverside Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC419643  Eschscholzia parishii Arthur R. Kruckeberg 1939-4-11 136 Riverside Santa Rosa Mts. Comment
  CAS-BOT-BC419645  Eschscholzia parishii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  RSA0022916  Eschscholzia parishii P. J. Remple 1942-3-22 s.n. Riverside Dead Indian Creek near Palms to Pines Hwy. Comment
  RSA445441  Eschscholzia parishii Aloys Nicholson 1930-4-6 s.n. Riverside 1000 Palms. Colorado Desert. Comment
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Nov 8 2011
  UC1608073  Eucalyptus camaldulensis D. Goodward April 1987 30 Riverside Eucalyptus irrigation plot U.C. Riverside Moreno Valley Field Station (s. of Alessandro Blvd. near Nason St., Tree R45T6); Moreno Valley, U.C. Riverside Moreno Valley Field Station 457 Comment
  UCR113149  Eucalyptus camaldulensis A. C. Sanders 1998-3-11 21656 Riverside Shipley/Skinner Reserve, SW of Crown Valley in upper Rawson Canyon area 595 Comment
  SEINET237965 Image available Eucalyptus rudis A. C. Sanders 1998-1 21649 Riverside Lake Skinner area: along old Rawson Rd. at N edge of Crown Valley, at crest of road where it drops into Diamond Valley. 640 Comment
  JOTR34342  Eucrypta chrysanthemifolia var. bipinnatifida Andre, Jim 2012-4-11 20687 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  OBI29871  Eucrypta chrysanthemifolia var. chrysanthemifolia Melissa Luckow, Rhonda Riggins 1982-4-15 830 Riverside hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  UCR112407  Eucrypta chrysanthemifolia var. chrysanthemifolia A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23458 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UC1930058  Eulobus californicus Scott D. White, Angelia Carey 2004-7-2 10562 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. Comment
  SEINET10739488  Euphorbia David B. Dunn 1946-2-23 Dunn 1970 Riverside Hidden Springs Canyon in the vicinity of the Palms. Comment
  SFV17342  Euphorbia eriantha J. D. Dilley, J. N. Hogue (109.4) 1998-4-24 277 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash, 0.5 miles east of Aztec Well. 579 Comment
  UCR17353  Euphorbia eriantha Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Graham Pass Road, Chuckwalla Bench. 457 Comment
  UCR5292  Euphorbia eriantha O. F. Clarke 1966-10-5 661005- 05 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  UCR281920  Euphorbia micromera A. C. Sanders, Jim Malusa 2017-9-21 43351 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  UCD142702  Euphorbia polycarpa G. L. Webster; R. Hildreth 1966-12-10 7464 Riverside Joshua Tree National Monument, near Cottonwood Canyon. 701 Comment
  UCR21194  Euphorbia polycarpa 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
  UCR213398  Euphorbia polycarpa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37463 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
  UCR281923  Euphorbia polycarpa A. C. Sanders, Jim Malusa 2017-9-21 43350 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  UCR51361  Euphorbia polycarpa S. J. Myers 1988-2-4 s.n. Riverside Northgate Estates development, immediately NW of Canyon Lake 488 Comment
  RSA70391  Euphorbia polycarpa var. hirtella F. W. Peirson 1928-4-24 7910 a Riverside Below Cottonwood Spring, northern edge of Colorado Desert. Comment
  UCR157462  Euphorbia serpens A. C. Sanders, Mitch Provance, T. B. Salvato, B. G. Pitzer 2000-11-3 23724 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden 351 Comment
  CAS-BOT-BC171038  Fagonia laevis A. C. Sanders; E. J. Lawlor 1992-4-4 12086 Riverside Within 1/2 mile of McCoy Spring, alluvial slopes below and to the south and canyon bottom above the spring - McCoy Mountains 243 Comment
  UCD107160  Fagonia laevis C. L. Hitchcock 1966-3-16 24209 Riverside Along Palms to Pines Highway, 4 mi. S. of Palm Desert. 609 Comment
  UCR244711  Ferocactus cylindraceus Jim Andre 2012-3-19 21370 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  UCR88292  Ferocactus cylindraceus A. C. Sanders, K. C. Rose 1995-4-5 16380 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  LA99030  Festuca myuros Walt Westman; A. Davis 1979-3-29 79 52 Riverside E Buttle of Double Butte, beyond E of Cortrite Ave, Homeland 548 Comment
  UCR133669  Festuca myuros Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR266477  Festuca octoflora Mitch Provance, Matt Amalong 2015-3-25 315- 37 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  RSA717499  Ficus carica A. C. Sanders, O. F. Clarke 1991-6-10 11119 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA0026300  Filago John F. Emmel 1991-4-28 1170 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  POM36325  Filago californica Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA703372  Filago californica LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1440 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA772134  Filago californica Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4980 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  UCR155318  Filago gallica A. C. Sanders, Mike Misenhelter 2005-3-23 29251 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR175073  Filago gallica Teresa Nieto 2005-5-26 27 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA495805  Forestiera neomexicana Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2914 Riverside Vail Lake area, Temecula Creek Cyn., 1.0 mi. west of Vail Lake Dam. 396 Comment
  JOTR31144  Forestiera pubescens La Doux, Tasha 2009-6-3 1854 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  SEINET7907909  Fouquieria splendens D. A. Johnson 2005-1 Riverside Between Coachella and S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  JOTR31874  Fouquieria splendens subsp. splendens La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2128 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  SBBG126042  Frangula californica subsp. californica P. Garrett, C. Martinez, N. Fraga, L. McDade, et al 2010-8-14 87 Riverside Idyllwild, The James San Jacinto Mtns Reserve, located within 100 meters of the main research cabin 1600 Comment
  SD229247  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-4-18 700 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
  CAS-BOT-BC211659  Frankenia salina S. B. Parish 1897-5-31 4396 Riverside Elsinore 396 Comment
  UCR201819  Frankenia salina Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  RSA522707  Fritillaria biflora Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3894 -A Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UC3627  Fritillaria biflora H. M. Hall Apr. 1897 384 Riverside Winchester; Southern California, Winchester Comment
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Mar 20 2011
  UCD121391  Funastrum cynanchoides var. cynanchoides T. B. Salvato; Kent Beaman 2005-5-16 791 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  POM12997  Funastrum cynanchoides var. hartwegii P. A. Munz, I. M. Johnston 1922-5-21 5548 Riverside 4 mi. N.E. of San Jacinto. Base of hills. Comment
  SD227724  Funastrum heterophyllum A. C. Sanders, K. C. Rose 1999-5-28 22790 Riverside Coachella Valley: betweeen La Quinta and Indio, along Jefferson St. between Ave 54 and I-10. Disturbed roadside at intersection with Ave. 49 11 Comment
  POM122774  Funastrum hirtellum Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  SD181719  Funastrum hirtellum Scott D. White 1999-4-20 7278 Riverside Southern foothills of the Big Maria Mountains, northwest of California Highway 95. 89 Comment
  RSA508016  Galium andrewsii subsp. andrewsii Steve D. Boyd, C. Boyd, K. A. Boyd, R. Noyes, L. Arnseth 1988-5-28 2292 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA740938  Galium andrewsii subsp. andrewsii Scott D. White, Justin M. Wood 2008-7-9 12440 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  CLARK-A1528-1351  Galium angustifolium Charles S. Papp 1964-6-6 508 Riverside Cleveland National Forest 853 Comment
  POM367707  Galium angustifolium subsp. angustifolium N. C. Cooper 1947-4-5 2102 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA0103090  Galium angustifolium subsp. gracillimum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8550 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UCR123869  Galium angustifolium subsp. gracillimum Steven R. Hill 2001-5-3 33675 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
  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
  SD225096  Galium aparine Scott D. White 1996-4-20 3953 Riverside SW of Perris: Hillside S of the San Jacinto River Channel. 487 Comment
  UCR17531  Galium parishii Frank C. Vasek 1979-7-26 790726- 02 d Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  UCR265819  Galium parisiense Mitch Provance 2012-5-24 512- 10 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  POM4410  Galium stellatum I. M. Johnston 1917-4-4 1038 (9) Riverside Colorado Desert: Palm Canyon. 305 Comment
  RSA19550  Galium stellatum Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9544 Riverside Cottonwood Springs Canyon. Comment
  UCR16638  Galium stellatum subsp. eremicum Bonner Blong 1966-3-27 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Near drinking fountain along Carrizo Creek, off Hwy74, 'el. 3000 ft. 671 Comment
  RSA777334  Galium stellatum var. eremicum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 831 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  UCR157945  Gamochaeta pensylvanica T. B. Salvato, A. C. Sanders 2005-5-17 914 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
  RSA23666  Garrya flavescens var. pallida Carl B. Wolf 1939-1-20 9486 Riverside Santa Ana Mts., East side, along Eagle Motor Way, 1 mi. below summit 915 Comment
  UC484104  Garrya veatchii B. D. Stark 1930-3-18 Riverside Mt. San Jacinto Comment
  UCR2432  Gastridium ventricosum F. M. Reed 1907-5-29 1361 Riverside Riverside, along Box Springs Blvd. above Gage Canal Comment
  RSA667135  Gaura sinuata A. C. Sanders, T. B. Salvato 2001-5-24 24364 Riverside Temecula, Long Canyon west of Del Rey Rd., along bottom of Canyon W of junction of Av. Pina Colada 345 Comment
  UC729820  Gayophytum heterozygum Carl B. Wolf 1932-8-4 3912 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  CHSC339  Geraea canescens E. Thomas 1940-3-3 Riverside Coachella Valley. -21 Comment
  JEPS59915  Geraea canescens Lewis S. Rose 1967-12-20 67183 Riverside 6 mi se of Thousand Palms 15 Comment
  RSA105932  Geraea canescens Richard Mallory 1955-4-6 476 Riverside Borrego Desert State Park. Borrego Valley 8 miles east of Christmas Circle. 152 Comment
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Feb 19 2013
  RSA781746  Geraea canescens Duncan S. Bell 2011-12-30 3046 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  SEINET11849877  Geraea canescens J. F. Bright, Wyman, C. 1933-1 8054 Riverside near Indio Comment
  UC64176  Geranium californicum H. M. Hall Jul 1897 7221 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
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Mar 12 2011
  UCR123247  Geranium carolinianum A. C. Sanders, T. B. Salvato 2000-5-8 23384 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus 396 Comment
  RSA715242  Geranium robertianum A. C. Sanders, T. B. Salvato 2006-5-4 32247 Riverside Riverside, UCR campus, weeds in botanical garden 351 Comment
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Jul 14 2008
  RSA525693  Gilia angelensis Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4564 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at junction of Highway R3 and Powerline Road, NE of the lake. Comment
  SEINET7048008  Gilia angelensis Steven R. Hill, Kate Kramer 2001-4-27 33475 Riverside Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, junction of Apache Trail and Seminole Drive, north of Route I-10, Apache Trail Exit, 4 miles east of Banning. Elevation about 1837 feet. Comment
  UCR19148  Gilia angelensis John C. Roos, L. Roos 1954-4-17 6069 Riverside Pass at summit of Reche Canyon 732 Comment
  UCR157962  Gilia capitata T. B. Salvato, A. C. Sanders 2005-5-17 926 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  RSA278313  Gilia capitata subsp. abrotanifolia C. W. Tilforth 1979-5-18 1799 Riverside Alo Hwgy 243, 3.5 miles south of Banning at turn-off to Mt. Edna. Comment
  RSA470271  Gilia capitata subsp. abrotanifolia N. C. Cooper 1944-6-17 1430 Riverside San Jacinto Mountain. West side. 1372 Comment
  RSA63395  Gilia capitata subsp. abrotanifolia Verne Grant, Alva Grant 1948-5-23 8578 Riverside Near Hemet. 1067 Comment
  RSA87941  Gilia diegensis Verne Grant 1954-6-10 19657 Riverside Yellow Pine Forest at Mountain Home Springs on Santa Rosa Mountain. 2134 Comment
  SD137683  Gilia diegensis Darin L. Banks, Steve Boyd 1995-5-3 280 Riverside Cleveland National Forest, Agua Tibia Wilderness area. N slope of Agua Tibia Mtn, E of the Dripping Springs Alcove area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA776188  Gilia latifolia Amber Swanson, Duncan S. Bell 2011-3-10 205 Riverside Mecca Hills, E of Painted Cyn Rd Comment
  UC908041  Gilia latifolia Herbert L. Mason 1928-3-10 4203 Riverside Hidden Springs Canyon Coachella Mountains, Hidden Springs Canyon Comment
  UC23897 Image available Gilia maculata W. G. Wright 1890-3-1 1820 Riverside Colorado Desert Comment
  UC23661  Gilia ochroleuca subsp. exilis H. M. Hall Jun, 1901 2060 Riverside exposed s slopes in the vicinity Chalk Hill; San Jacinto Mountains, vicinity Chalk Hill 1524 Comment
  UC73634  Gilia ochroleuca subsp. exilis Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA0016278  Gilia ochroleuca subsp. exilis Verne Grant, Alva Grant 1952-3-19 9030 Riverside Near mouth of Whitewater Canyon. Comment
  RSA0017281  Gilia ochroleuca subsp. exilis Verne Grant, Alva Grant 1955-5-20 9602 Riverside Mill Creek Canyon below Forest Home. Comment
  RSA0017292  Gilia ochroleuca subsp. exilis Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1068 Riverside Corona-Elsinore. Comment
  SEINET7040152  Gilia ochroleuca subsp. exilis A. G. Vestal 1962-4-8 Riverside Ca. 3.5 miles north east of Lake Elsinore (Elsinore)on Rt.74. UTM Zone 11, 472765mE, 3731077mN. Comment
  JOTR33923  Gilia sinuata La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2814 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  RSA487535  Gilia stellata B. Pitzer 1988-3-10 660 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  UC667282  Gilia stellata Annie M. Alexander and Louise Kellogg 1941-4-27 2092 Riverside Joshua Tree National Monument Joshua Tree National Monument (Riverside and San Bernardino Counties) 1310 Comment
  UCR1363  Gilia stellata Frank C. Vasek 1960-3-17 600317- 07 Riverside Sonoran (Colorado) Desert, Morongo Canyon, E side of the road on hill at mouth of canyon, 4.5 mi NW of Desert Hot Springs 579 Comment
  UCR57227  Githopsis diffusa subsp. diffusa Jeri Hirshberg 1989-5-2 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW of Mesa de Burro 610 Comment
  RSA92591  Githopsis diffusa subsp. diffusa J. C. Roos 1952-5-24 5710 Riverside Burn on hills north of Moreno. 503 Comment
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May 20 2011
  RSA445520  Glaucium flavum Donald A. Johansen 1933-7-14 710 Riverside Along road from Cherry Valley to Mesa Mira. 1372 Comment
  RSA575851  Glinus lotoides Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 424 Comment
  SEINET952168  Glycyrrhiza lepidota H. M. Hall 1904-1 4967 Riverside West Riverside 213 Comment
  RSA33831  Gnaphalium californicum N. C. Cooper 1944-6-4 1367 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  RSA596162  Gnaphalium canescens subsp. microcephalum D. L. Banks 1996-11-7 1215 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
  UCR92408  Gnaphalium canescens subsp. microcephalum F. M. Reed 1933-8-13 8010 Riverside South Coast; San Bernardino Valley, Riverside, Fairmont Park 245 Comment
  RSA614137  Gnaphalium luteoalbum D. L. Banks 1997-2-23 1304 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
  UCR158136  Gnaphalium luteoalbum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30118 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
  UCR116997  Gnaphalium palustre A. C. Sanders, T. B. Salvato 2001-5-3 24104 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR202597  Gnaphalium palustre Scott D. White, Justin M. Wood 2008-7-9 12432 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  SEINET3071808  Grusonia parishii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17498 Riverside Queen Mountain quadrangle, zone 11 0585460mE 3765223mN NAD83, Queen Valley, 1km west of Desert Queen (McHaney's) Mine, 1km ESE of the summit of Negor Hill, 13km SSW of Twentynine Palms 1335 Comment
  RSA703476  Guillenia lasiophylla LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1420 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
  RSA125983  Gutierrezia californica E. K. Balls, Percy C. Everett 1957-11-4 22744 Riverside Snow Creek, N. base of San Jacinto Mts. 701 Comment
  SD186087  Gutierrezia californica A. C. Sanders 2004-6-20 28212 Riverside 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
  UCR199652  Gutierrezia californica Justin M. Wood 2008-7-16 26 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  UCR202216  Gutierrezia californica Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  UCSB45957  Gutierrezia californica Roos, John 1965-6-21 Riverside The hills 2 miles south of Beaumont Comment
  SEINET11841383  Gutierrezia californica O. F. Clarke 1970-1 s.n. Riverside Botanic Gardens of the University of California, Riverside Comment
  POM243635  Gutierrezia microcephala E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  RSA709849  Gutierrezia microcephala Sarah J. De Groot, L. Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4628 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  HSC84154  Gutierrezia sarothrae B. Pitzer, Jack Easton 1987-3-10 387 Riverside Anza area, hills S of Thomas Mtn., ca. 3 mi. E of town of Anza on N side of Hwy. 371 1341 Comment
  JOTR36389  Gutierrezia sarothrae La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3342 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  POM256727  Gutierrezia sarothrae W. Pequegnat 1940-7-1 s.n. Riverside Bedford Truck Trail, Santa Ana Mts. 427 Comment
  RSA0094193  Gutierrezia sarothrae Duncan S. Bell, Evan Meyer 2014-10-29 7680 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  UCR150638  Gutierrezia sarothrae Bern Schwenn 1994-9-18 s.n. Riverside Joshua Tree National Monument, E side of Little San Bernardino Mountains, in small canyon SE of Bernard Peak 1451 Comment
  UCR91476  Harpagonella palmeri Scott D. White, M. Jacobsmeyer 1996-4-20 3947 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  UCR102884  Hedypnois cretica A. C. Sanders 1997-3-26 20124 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  CSUSB1539  Helianthus annuus M. Peterson 1972-6-29 S. N. Riverside Riverside Comment
  POM319674  Helianthus annuus subsp. lenticularis Patricia Wilder 1971-9-29 5270 Riverside Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  UCR145972  Helianthus gracilentus June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCSB9945  Helianthus nuttallii Philbrick, Ralph 1954-10-24 Riverside Four miles south of Chino Institute 213 Comment
  POM360099  Helianthus tuberosus Nellie V. Haynie 1929-6-22 1527 Riverside Railroad track. Comment
  RSA596777  Heliotropium curassavicum D. L. Banks, K. D. Hedge 1996-5-16 1039 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles N of Hwy. 79 on the E side of Pauba Road, along a sandy wash. 377 Comment
  RSA784859  Hemizonia fasciculata Steve Boyd, Orlando Mistretta, Walter Wisura 1989-5-30 sn Riverside Lake Skinner County Pk, S. base of Bachelor Mtn Comment
  UCR121682  Hemizonia fasciculata Ian G. Gillespie, Abby Sirulnik 2000-5-7 32 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  UCR43409  Hemizonia fasciculata B. G. Pitzer, Karen Kirtland 1986-5-16 0262 Riverside Peninsular Range, Woodcrest area, adjacent to W side of Van Buren Blvd, and just north of Riverside city limit; E border adjacent to Gage Canal 351 Comment
  UCR200998  Hemizonia mohavensis Justin M. Wood, Scott D. White, Brandy Ulrich 2008-7-15 023 Riverside Aguanga Basin / San Jacinto Mountain foothills, W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation 1215 Comment
  UCR82815  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15772 Riverside San Jacinto Mountains, N slope of the mountains; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Cr. 915 Comment
  RSA192325  Hemizonia paniculata E. W. Lathrop 1967-5-14 s.n. Riverside 1-2 miles SW of Murietta Comment
  RSA660909  Hemizonia paniculata Mitch Provance 1998-3-5 524 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. 274 Comment
  UCR182425  Hemizonia paniculata Mitch Provance, A. Montalvo 2005-5-12 6701 Riverside Granitie Knolls and Mesas of Riverside, Riverside (Prenda area), land bordering the E side of Washington and the north side of Hermosa St. 335 Comment
  UCR274145  Hemizonia paniculata T. B. Salvato, Gregg Miller 2005-6-7 1429 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UCR101544  Hemizonia pungens C. S. Jones, Jennifer Hodge 1998-3-22 s.n. Riverside Lake Elsinore, back basin, c. 700 ft. west of the San Jacinto River and c. 250 ft. south of the Lake Elsinore channel. 400 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
  UCR95394  Hemizonia pungens subsp. laevis C. W. Tilforth, W. Wisura 1981-8-10 2112 Riverside Peninsular Range, Along Reinhardt Creek, south of Maze Stone County Park, between Hemet and Homeland, north of Hwy 74 Comment
  UCR59918  Hemizonia pungens subsp. pungens Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, c. 1 mi south of Hwy 60 on Nason St. Adjacent to W side of Nason, south of Dracaea Ave. Comment
  SEINET3886943  Hesperocallis undulata Faulkner 1978-3-20 324 Riverside Near Big Maria Mtns., 1 mile West of Colorado River.; 0 152 Comment
  RSA515313  Hesperocnide tenella Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, NE of Mesa de Burro, creek below Guava-De Luz Road, approximately 1.5 miles SW of intersection with Hayes Avenue. 610 Comment
  UCR22052  Hesperocnide tenella Steve Boyd 1980-4-27 151 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  SEINET10460700  Heterocodon rariflorum Meryle B. Dunkle 1933-7-21 Dunkle 3726 Riverside SAN JACINTO MTN IDYLWILD Comment
  UCR58685  Heteromeles arbutifolia James C. Dice, Ruth Miller 1987-11-23 754 Riverside Peninsular Range, Santa Margarita Ecological Reserve. Temecula Gorge, N bank of Santa Margarita River, just east of aqueduct crossing 244 Comment
  UC1999890 Image available Heterotheca sessiliflora subsp. fastigiata J. C. Semple, J. Chimielewski 1987-9-30 8982 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr. Comment
  SEINET10842397  Heterotheca villosa var. villosa David B. Dunn 1947-10-9 Dunn 3533 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  UC56292  Hibiscus denudatus F. Gilman 1902-1 28 Riverside Palm Springs Comment
  SD185089  Hilaria rigida John F. Green 2005-2-2 Riverside 3.0 miles east of Desert Beach. 24 Comment
  SEINET4585072  Hilaria rigida E. Neese 1979-4-10 7077 Riverside About 25 miles west of Blythe, along I-10 244 Comment
  UCD90074  Hilaria rigida William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  POM8616  Hoffmannseggia glauca P. A. Munz, R. D. Harwood 1920-4-3 3574 Riverside Ford's Well west of Blythe. 305 Comment
Read comments
Dec 13 2016
  CLARK-A1528-477  Hoffmannseggia microphylla Charlotte Stocks 1962-5-13 Riverside La Quinta Comment
  UCSB3084  Hoffmannseggia microphylla Graney, Don 1953-3-21 Riverside Colorado Desert Comment
  RSA449814  Holodiscus microphyllus M. B. Dunkle 1933-7-21 3690 Riverside Tahlquitz Peak 2683 Comment
  UCR181955  Hordeum intercedens Mitch Provance 2005-5-17 6554 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
  UCR91872  Hordeum marinum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18050 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  RSA522779  Hordeum murinum subsp. leporinum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3886 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  CAS-BOT-BC148562  Horkelia clevelandii Ralph Hoffmann 1929-9-7 s.n. Riverside Meadow, San Jacinto Mt. 1645 Comment
  RSA46848  Horkelia cuneata subsp. puberula Charlotte M. Wilder 1904-5-15 82 Riverside North side of Jurupa Hills, NW of Riverside Comment
  CAS-BOT-BC537305  Horkelia cuneata var. puberula Marian L. Campbell 1921-3-18 79 Riverside near Banning Comment
  RSA720462  Hulsea vestita subsp. callicarpha Naomi Fraga, Steve Boyd, Sarah Siedschlag 2006-5-22 1681 Riverside On road the leads to Duchess Canyon, east of Fobes Ranch. 1677 Comment
  SEINET2030094 Image available Hymenoclea salsola L. R. Abrams 1941-4-24 13935 Riverside San Gorgonio Pass, near Cabazon Comment
  UCR193413  Hypericum formosum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35632 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  JEPS63228  Hyptis emoryi W. L. Jepson 1901-5-22 1370 Riverside Palm Canyon San Jacinto (<Palm Canyon of San Jacinto>, and return to Van Deventer's Ranch); Palm Canyon of San Jacinto Comment
  JOTR35353  Hyptis emoryi Andre, Jim 2012-4-11 20724 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  LA61824  Hyptis emoryi Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside Box Canyon Comment
  RSA420166  Hyptis emoryi Albert J. Perkins 1916-4-17 s.n. Riverside Near Andreas Canyon. Comment
  RSA420176  Hyptis emoryi A. Menke 1955-4-25 s.n. Riverside Mouth of Tahquitz Canyon, Palm Springs. Comment
  UC1547001  Hyptis emoryi Leila M. Shultz and John S. Shultz 1985-4-18 8340 Riverside northern extension Chuckawalla Mountains; northern extension Chuckawalla Mountains 182 Comment
  UCR3004  Hyptis emoryi Wm. Horn Jr. 1963-3-23 630323- 4 Riverside Western Colorado Desert, Box Canyon Road (Calif. Hwy 195 ), 8 mi SE of Mecca, 75 yards south of the road. 61 Comment
  UCD126499  Ipomoea triloba T. C. Fuller 1962-10-2 9701 Riverside northwest of Neighbors Blvd. and Ave. 22, 1.4 miles north of Ripley. Comment
  UC1184104  Isocoma acradenia var. acradenia Jerry Powell 1960-10-19 Riverside 7 mi n Temecula Comment
  JEPS19096  Isocoma acradenia var. eremophila S. B. Parish 1921-10-12 8350 Riverside Mecca Salton Basin -57 Comment
  RSA0117148  Isocoma menziesii Mitchell Provance 2012-9-13 912 -05 Riverside Badlands of Western Riverside County: Mt. Davis, +/- 1.5 miles SW of Beaumont, vicinity of the microtower on David Mountain Rd. 845 Comment
  SD181693  Isocoma menziesii var. vernonioides Scott D. White 1998-10-9 7168 Riverside Corona, near Bedford Canyon. 334 Comment
  RSA199009  Isoetes howellii R. F. Thorne, E. Lathrop, P. A. Munz 1968-5-8 37568 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  RSA684554  Isoetes howellii Christopher Davidson 1977-5-25 5665 Riverside Mesa de Burro; Santa Rosa Plateau area of Santa Ana Mountains 701 Comment
  UC68545  Isomeris arborea H. M. Hall Apr 1905 6005 Riverside Cottonwood Pass; Colorado Desert 609 Comment
  UCD133365  Iva axillaris R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  RSA552691  Jepsonia parryi Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-26 6699 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  CAS-BOT-BC110068  Juncus acutus W. R. Dudley 1903-12-26 s.n. Riverside Palm Springs. Comment
  JEPS66903  Juncus acutus subsp. leopoldii Jos. Burtt Davy 1902-3-25 7935 Riverside Indio Comment
  UCR224436  Juncus effusus Scott D. White, Justin M. Wood 2009-5-22 12923 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  SD187307  Juncus longistylis Scott D. White, Angelia Carey 2004-4-16 10177 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  UCR40551  Juncus macrophyllus Steve Boyd 1985-7-23 1020 Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  POM14184  Juncus mexicanus Phillip A. Munz 1922-5-18 5324 Riverside 3 miles south of Glen Ivy [now Glen Ivy Hot Springs]. Comment
  RSA192146  Juncus mexicanus E. W. Lathrop 1959-4-26 4502 Riverside 14 miles W of Murrieta - Tenaja Plateau. Comment
  RSA368246  Juncus mexicanus M. B. Dunkle 1933-7-21 3720 Riverside Idyllwild 1616 Comment
  RSA594506  Juncus mexicanus Darin L. Banks, Rashmi Pant 1996-5-13 1017 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; In a small spring in oak woodland, approximately 1 km E of the Dripping Springs Guard Station, S of Hwy. 79 536 Comment
  UCR139158  Juncus mexicanus S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., southwestern end of Juan Diego Flat, NW of Cahuilla Mountain 1220 Comment
  SEINET1908650  Juncus patens A. C. Sanders, MitMitch Provance 2008-1 35778 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
  POM259167  Juncus saximontanus Phillip A. Munz 1938-8-14 15345 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  SD121501  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1979-6-26 2971 Riverside Moist sand of large wash behind Kenworthy Ranger Station, near Route 74 in Hemet Valley, San Jacinto Mountains, San Bernardino National Forest. 760 Comment
  SBBG57370  Juncus xiphioides R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1645 Comment
  RSA38405  Juniperus californica Philip A. Munz 1946-10-21 11593 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  CAS-BOT-BC234568  Justicia californica John Thomas Howell 1928-1-30 3306 Riverside 2 miles e. of Shaver's Well, Colorado Desert Comment
  UCR244422  Justicia californica Jim Andre 2012-4-16 20917 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  RSA727638  Kalanchoe tubiflora A. C. Sanders 2007-1-12 33276 Riverside Riverside; UCR campus, weed in UCR Botanical Garden cactus garden 351 Comment
  GMDRC3101  Kallstroemia californica J. Andre, T. La Doux 2008-9-13 10262 Riverside Chuckwalla Valley: along Hwy 177 (northwest side), southeast end of Coxcomb Mountains 33 deg. 48.724' N 115 deg. 16.87' W. Elev. 527 ft. 161 Comment
  RSA683920  Kallstroemia californica Michael Denslow 2003-9-13 1552 Riverside Shavers Valley; I-10 at Mecca Exit, Box Springs Road. 470 Comment
  RSA780234  Kallstroemia californica Stephanie Rockwood, Christi Gabriel 2011-10-13 116 Riverside West side of the West Riverside Mountains. Highway 62 to Rice Valley Road. Rice Valley. 256 Comment
  UCR242295  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40414 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 2.9 km (1.8 mi.) west of I-10 junction 120 Comment
  CAS-BOT-BC235503  Keckiella antirrhinoides Philip A. Munz 1937-5-29 15149 Riverside Deep Canyon, north slope of Santa Rosa Mts. 1066 Comment
  RSA401733  Keckiella antirrhinoides Anstruther Davidson 1895-5-18 s.n. Riverside Banning. Comment
  RSA424827  Keckiella antirrhinoides E. Mannatt 1931-4-19 s.n. Riverside Hemet Comment
  CAS-BOT-BC236711  Keckiella antirrhinoides subsp. antirrhinoides H. E. McMinn No date on label. 39 Riverside March - Redlands Comment
  CAS-BOT-BC236714  Keckiella antirrhinoides subsp. antirrhinoides Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA757800  Keckiella antirrhinoides subsp. antirrhinoides LeRoy Gross, Jackie McConnaughy, Andrew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4287 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
  SBBG54461  Keckiella antirrhinoides subsp. antirrhinoides L. R. Abrams 1941-4-12 13882 Riverside Palomar School, near Perris Comment
  RSA401718A  Keckiella antirrhinoides subsp. microphylla Robert Gustafson, Gary D. Wallace 1982-5-19 2568 Riverside Pines to Palms Hwy (Hwy. 74), vicinity of Pinyon Flat campground. Comment
  RSA592679  Keckiella antirrhinoides subsp. microphylla Scott D. White, Duayne Haselfeld 1996-7-2 4256 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  NY786769  Keckiella antirrhinoides var. microphylla A. M. Alexander 1941-5-24 2215 -a Riverside North base of Eagle Mountains 1158.2 Comment
  UCR20634  Keckiella ternata W. W. Mayhew 1977-7-12 s.n. Riverside San Jacinto Mtns., Alandale 1768 Comment
  POM49562  Koeleria macrantha P. A. Munz 1924-7-28 8810 Riverside Pine Flats 1738 Comment
  RSA674939  Koeleria macrantha Scott D. White, Bill La Haye 2000-5-27 7948 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA740072  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-16 12135 Riverside Meadow at Quinn Flat. 1378 Comment
  UC38700  Koeleria macrantha H. M. Hall 1901-6 2429 Riverside San Jacinto Mountains Tauquitz Valley; , Tauquitz Valley 1889 Comment
  UCR201500  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-19 12271 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  CAS-BOT-BC61426  Krameria bicolor Annie M. Alexander; Louise Kellogg 1941-5-20 2207 Riverside Eagle Mountain Pumping Station Road 457 Comment
  CAS-BOT-BC61438  Krameria bicolor F. Almeda 1976-6-5 2824 Riverside 4-5 mi. N of Interstate Hwy. #10 off of Whitewater Canyon Road Comment
  JEPS64845  Krameria erecta Marjorie Clary 1931-4-22 1 Riverside above Devils' Canyon; Coachella Valley, above Devils' Canyon Comment
  RSA409437  Krameria erecta N. R. Zabriskie, W. M. Zabriskie 1972-4-9 514 Riverside Northwest of Hwy 74, Deep Canyon drainage, Santa Rosa Mountains. 1220 Comment
  RSA408607  Krameria grayi Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR178534  Krameria grayi R. G. Swinney 1967-5-26 143 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  CAS-BOT-BC340719  Laennecia coulteri H. M. Hall 1905-4-1 5941 Riverside Colorado Desert. Paloverde [Palo Verde] Valley 76 Comment
  JEPS41823  Laennecia coulteri S. B. Parish 1912-10-12 8356 Riverside Mecea Salton Basin, Mecea -57 Comment
Read comments
Sep 4 2011
  RSA339676  Lamarckia aurea R. F. Thorne, C. W. Tilforth 1980-5-28 54217 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
  UCD63410  Lamarckia aurea F. M. Reed 1933-5-20 7692 Riverside Riverside. Comment
Read comments
May 1 2011
  UCR100631  Lamarckia aurea A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19893 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  UCR265048  Lamium amplexicaule Mitch Provance 2013-4-8 413- 09 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UC963824  Langloisia setosissima subsp. punctata Helen K. Sharsmith 1952-4-8 4053 Riverside ca. 2.5 mi. beyond Mission Well (near Meek Mine); Mohave Desert, Pinto Mts. 579 Comment
  RSA469608  Langloisia setosissima subsp. setosissima Robert Gustafson 1983-3-27 2482 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  RSA390019  Larrea tridentata M. B. Dunkle 1935-3-17 4409 Riverside Desert Center 61 Comment
  UC665863  Larrea tridentata Ira L. Wiggins 1941-3-24 9567 Riverside 0.3 mi s Myoma (4.6 mi n of Indio) Comment
  UCD107222  Larrea tridentata Marian L. Vincent; Richard H. Swade 1963-10-19 462 Riverside Snow Creek Road, 2 miles from its intersection with California State Hwy. 111. 365 Comment
  UCR238486  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-22 167 Riverside Sonoran (Colorado) Desert, McCoy Wash, north of Hwy I-10, road north from Black Rock Road, south side of private land boundary 244 Comment
  SD30719  Lasthenia californica Edith A. Purer 1935-4-21 6442 Riverside Pine Valley on Palms to Pines Highway. Comment
  SD68952  Lasthenia californica Robert F. Thorne, E. Lathrop, et al 1968-4-18 37443 Riverside Santa Rosa Plateau; Mesa de Colorado. 669 Comment
  SEINET7073409  Lasthenia californica A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  JEPS14381  Lasthenia coronaria Rimo Bacigalupi with Gene Newcomb 1954-4-25 4399 Riverside about 0.75 mi s Sage (along State Highway 79, close to the summit of St. Johns grade) 731 Comment
  RSA523517  Lasthenia coronaria Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3976 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA586113  Lasthenia coronaria D. L. Banks, S. D. Boyd 1995-4-5 0153 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, W of the Dripping Springs Trail. 503 Comment
  RSA776212  Lasthenia coronaria Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 864 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  UCR85566  Lasthenia glabrata subsp. coulteri Julie A. Greene 1993-4-10 1149 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Drainage south of Duck Club Rd., and east of Davis Road 436 Comment
  UCR92635  Lasthenia glabrata subsp. coulteri G. R. Ballmer 1996-4-14 s.n. Riverside Perris-Aguanga Basin, Lake Elsinore area, south of Hwy I-15 along east side of Nichols Road 384 Comment
  POM13768  Lasthenia gracilis P. A. Munz 1922-4-29 5088 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA67304  Lasthenia gracilis G. R. Campbell 1951-4-22 16062 Riverside Abndant among grasses in meadow, running for miles, near Kenworthy Comment
  SBBG36340  Lasthenia gracilis T. L. Secrest 1948-4-10 Riverside near Sage Comment
  UCD133817  Lasthenia gracilis R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  UCR102846  Lasthenia gracilis A. C. Sanders 1997-4-3 20141 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 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
  UCR213484  Lasthenia gracilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37819 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR88737  Lasthenia gracilis A. C. Sanders, K. C. Rose 1995-4-5 16372 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  SDSU331  Lathyrus vestitus H. Wedberg 1962-4-20 904 Riverside 13.4 miles from Hwy 79 in Hemet, and 5.5 miles from Cranston Ranger Station on road to Idyllwild. Climbing over shrubs in chaparral. 762 Comment
  RSA5013  Lathyrus vestitus subsp. alefeldii Dorothy R. Wolf 1932-3-20 13 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  RSA488923  Lathyrus vestitus subsp. laetiflorus Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  UCSB19172  Layia platyglossa Chepin, Matt 1965-5-16 Riverside Hemet Meadow, State Highway 74, 4.7 miles from junction with State Highway 71 1341 Comment
  RSA741206  Layia ziegleri Scott D. White, Justin M. Wood 2008-5-15 11961 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  CAS-BOT-BC88947  Lepidium dictyotum Steve Boyd 1986-4-2 1623 Riverside Gavilan Plateau, Gavilan Hills. Harford Springs County Park. In southeast corner of park. 640 Comment
  RSA563918  Lepidium dictyotum var. acutidens A. C. Sanders 1993-4-1 13670 Riverside Western Edge of Hemet, 14 acre parcel at NE corner of intersection of Myers and Devonshire Ave., 3/4 mi. NE of intersection of Florida Ave. (Hwy 74) and Warren Rd. just south of Tres Cerritos. 460 Comment
  UCR121799  Lepidium dictyotum var. acutidens A. C. Sanders, Carolyn Washburn 2001-4-17 24055 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  UCR121808  Lepidium dictyotum var. acutidens A. C. Sanders, Carolyn Washburn 2001-4-17 24060 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  RSA429903  Lepidium fremontii Christopher Davidson 1973-4-19 1975 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  JOTR36466  Lepidium fremontii var. fremontii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3436 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  RSA658697  Lepidium lasiocarpum J. C. Roos 1948-5-15 3841 Riverside Lost Palms Canyon, Eagle Mountains., Colorado Desert. Comment
  UC856469  Lepidium lasiocarpum var. lasiocarpum C. L. Hitchcock 1940-3-31 5884 Riverside 0.5 mi below Cottonwood Springs Comment
  UCR199777  Lepidium latifolium Scott D. White, Lynn Stafford 2007-6-27 11750 Riverside Chino Hills State Park, Santa Ana River floodplain just below Prado Dam 137 Comment
  CLARK-A1528-2326  Lepidium nitidum John C. Roos 1937-2-21 1313 Riverside La Sierra Comment
  UCR199709  Lepidium nitidum Justin M. Wood 2008-2-4 03 Riverside Santa Ana Mountains, Liberty Quarry, west of fwy 15 near the Rainbow exit 701 Comment
  RSA522272  Lepidium strictum Steve Boyd 1989-5-2 3518 Riverside City of Riverside. Residence at 4863 Rubidoux Ave. Comment
  SD229115  Lepidium virginicum subsp. menziesii Dick Schwenkmeyer 2011-8-25 649 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  POM8776  Lepidium virginicum var. pubescens P. A. Munz 1920-4-11 3812 Riverside Santa Ana River Canyon, near Rincon. 305 Comment
  RSA524421  Lepidium virginicum var. robinsonii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-3 4113 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA495818B  Lepidium virginicum var. virginicum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2928 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA586039  Lepidium virginicum var. virginicum D. L. Banks, S. D. Boyd 1995-3-16 92 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, E of Dripping Springs Alcove, Arroyo Secco drainage. 512 Comment
  UC1518848  Lepidospartum squamatum Robert F. Thorne, Kay L. Wright and Richard K. Benjamin 1982-10-8 55352 Riverside near Whitewater Post Office mouth of Whitewater Canyon; San Bernardino Mts. 411 Comment
  UC472877  Lepidospartum squamatum M. F. Spencer 1918-4-1 Riverside Palm Canyon; Colorado Desert 600 Comment
  UCR89986  Lepidospartum squamatum Scott D. White, Steve Myers 1995-10-21 3724 Riverside San Jacinto Valley, Eastern foothills of San Jacinto Valley,'Santa Rosa Hills', south of Hemet. Foothills just above orange grove. 610 Comment
  RSA0087455  Leptochloa panicea subsp. brachiata Sarah J. De Groot, Amy Rouillard 2015-9-15 7568 A Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  RSA0020037  Leptochloa panicea subsp. mucronata Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6021 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  CLARK-A1528-726  Leptodactylon californicum Fred B. Essig 1964-4-25 28 Riverside Horsethief Canyon Comment
  POM13671  Leptosiphon floribundus P. A. Munz 1922-6-27 5859 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  SD181409  Leptosiphon floribundus Scott D. White, Tasha La Doux 2000-4-20 7702 Riverside South of Hemet; Gibbel Flat in the Santa Rosa Hills. 609 Comment
  SD119888  Leptosiphon liniflorus Louis B. Ziegler 1967-9-6 238 Riverside San Jacinto Mountains; Hemet Valley, Quinn Flat region. 1372 Comment
  SDSU4743  Lessingia glandulifera var. glandulifera Florence Youngberg 1933-8-28 1553 Riverside Idyllwild Pines, San Jacinto Mts. Comment
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Jan 24 2013
  UCR251993  Lessingia glandulifera var. glandulifera A. C. Sanders, T. B. Salvato 2014-7-2 41157 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UC3726  Lilium parryi H. M. Hall Jun 1901 2451 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1524 Comment
  UCR40359  Limnanthes gracilis subsp. parishii Tom Griggs, E. W. Lathrop 1985-3-3 2 Riverside Santa Rosa Plateau, Mesa de Colorado, on The Nature Conservancy Preserve, 4 mi. west of Murrieta Comment
  SBBG93118  Linanthus dianthiflorus R. Montijo 1990-4-27 Riverside Rancho California Area, E of Santa Rosa Plateau, Green Meadow Rd off de Portoloa Rd 609 Comment
  RSA73089  Linanthus dianthiflorus subsp. dianthiflorus F. W. Peirson 1922-4-30 2930 Riverside St. John's Grade, Baustista Creek, south of Hemet. 762 Comment
  JOTR28880  Linanthus jonesii La Doux, Tasha 2004-2-24 1115 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  JOTR35056  Linanthus jonesii La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3508 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  RSA761099  Linanthus lemmonii Thomas Stoughton, J. McConnaughy, Andrew Monks, M. Volke 2010-3-31 116 Riverside PCT Trail. W of White Water Canyon. N of jct of I-10 and Rte 111. 740 Comment
  SEINET3363884 Image available Linanthus lemmonii Marcus E. Jones 1882-4-25 3174 Riverside San Jacinto Comment
  UCR177112  Linanthus lemmonii Bill Wagner 1994-5-11 s.n. Riverside Black Mountain, c. 4 miles NNE of Lake Skinner 915 Comment
  UCR35062  Linanthus lemmonii L. B. Ziegler 1967-6-21 164 Riverside San Jacinto Mtns, Hemet [= Garner] Valley 1402 Comment
  JEPS58471  Linanthus liniflorus Carl V. Meyer 1929-6-18 765 Riverside Hemet Valley; lower part Comment
  UC1608254  Linanthus parviflorus Steve Boyd and Orlando Mistretta 1992-4-23 7070 Riverside San Mateo Creek, from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 304 Comment
  UCR100153  Lithophragma Scott D. White 1994-4-23 2035 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
  RSA0018463  Lithophragma affine N. C. Cooper 1949-6-29 4346 Riverside Pine Cove. 1829 Comment
  UCR116784  Loeflingia squarrosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24164 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  RSA800112  Loeseliastrum matthewsii Duncan S. Bell 2013-4-7 4761 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  UCSB5123  Loeseliastrum matthewsii Haller, John 1958-3-22 Riverside Highway 60- 70; 11 miles W of Desert Center; 12.8 miles E of Box Canyon Rd. junction, (Calif. 195) Comment
  SBBG81482  Loeseliastrum schottii S. A. Junak 1983-3-24 1662 Riverside Pinto Basin Rd, 0.7 mi N of Hwy 10 533 Comment
  SBBG99596  Loeseliastrum schottii W. L. Halvorson 1977-2-15 77 -30 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UC1179099  Logfia arizonica Herbert L. Mason 1952-4-7 14208 a Riverside near Palm Springs; Palm Canyon Comment
  JOTR29366  Logfia depressa La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1443 Riverside Joshua Tree National Park. Little San Bernardino Mountains; south end of Long Canyon, near Park boundary 547 Comment
  UCR91674  Logfia filaginoides Steve Boyd 1995-4-5 8423 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  UCR92238  Logfia filaginoides D. L. Banks, Steve Boyd 1995-5-3 0283 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UCR172279  Lolium perenne John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  RSA613151  Lomatium dasycarpum D. L. Banks 1997-4-5 1659 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation., Along a tributary of the north fork of Pechanga Creek. 670 Comment
  UC874770  Lomatium mohavense Lee Haines 1937-4-11 Riverside Keys View Little San Bernardino Mountains Comment
  UCR97291  Lomatium utriculatum Steve Boyd, T. Ross & L. Arnseth 1990-3-29 3905 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  JEPS24429  Lonicera subspicata var. denudata Peter M. Ray 1949-12-26 1582 Riverside at summit or road from Hemet; San Jacinto Mts., Hall Canyon 1645 Comment
  UC1608260  Lonicera subspicata var. denudata Steve Boyd, Tim Ross 1992-5-5 7230 Riverside e portions Oak Flats (along the Bluewater Trail); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area 731 Comment
  RSA741176  Lotus corniculatus Justin M. Wood, Brandy N. Ulrich 2008-7-14 17 Riverside Garner Valley, near intersection of Fobes Ranch Rd and Hwy 74. 1348 Comment
  POM12089  Lotus crassifolius Mary F. Spencer 1921-6-27 1199 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR6717  Lotus crassifolius Frank C. Vasek 1964-7-25 640725- 15 Riverside San Jacinto Mountains, Dark Canyon 1829 Comment
  UC80920  Lotus crassifolius var. crassifolius A. W. Anthony 1895-7-13 Riverside San Jacinto Mountains 2438 Comment
  RSA523533  Lotus hamatus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3992 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  JEPS55482  Lotus heermannii W. L. Jepson 1901-5-22 1362 a Riverside Palm Canyon to Van De Venter's Comment
  UC62919  Lotus heermannii H. M. Hall Jun 1901 2022 a Riverside s side Shingle Valley; San Jacinto Mountains 1341 Comment
  UCR193410  Lotus heermannii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35574 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, slope below May Valley Rd. toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. 1585 Comment
  UCR199767  Lotus heermannii Scott D. White, Angelia Carey and Linda Archer 2004-8-5 10676 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  SEINET3694584 Image available Lotus humistratus Annie M. Alexander, Louise Kellogg 1941-5-15 2185 Riverside Eagle Mountains 914 Comment
  POM307257  Lotus nevadensis var. nevadensis Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2129 Riverside Santa Rosa Mountains. Comment
  UCR159258  Lotus purshianus A. C. Sanders, Kelly Volansky 2005-8-31 31572 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  CLARK-A1045-113  Lotus rigidus George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above edge of Deep Canyon; Palm Desert 15'Q Comment
  UC56575  Lotus salsuginosus var. brevivexillus H. M. Hall 1902-4-12 2848 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert 152 Comment
  CSUSB1258  Lotus scoparius Leland E. Francois 1966-3-27 32766 2 Riverside City of Riverside, lower southeast slope of Mount Rubidoux, just up the slope from Glenwood Drive. 297 Comment
  UC597639  Lotus scoparius var. brevialatus Philip A. Munz 1937-5-31 15115 Riverside Anza Tablet, at head of Coyote Canyon, sw Riverside County Coyote Canyon 1066 Comment
  JEPS29296  Lotus strigosus Rimo Bacigalupi, and L. R. Heckard 1962-3-25 8391 Riverside about 5 mi se Corona (just n of Bedford Canyon, at e base of the Santa Ana Mountains); Santa Ana Mountains 304 Comment
  RSA406331  Lotus strigosus Ora M. Clark 1929-2-23 1555 Riverside North of Whitewater Comment
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Nov 9 2011
  RSA784932  Lotus strigosus Duncan S. Bell 2012-2-12 3100 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UC1286987  Lotus strigosus C. L. Hitchcock 1966-3-20 24316 Riverside 5 mi n Milpitas Wash (and 12 nw of Blythe-Glamis road) Comment
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Mar 2 2013
  UC667365  Lotus strigosus Annie M. Alexander and Louise Kellogg 1941-5-15 2186 a Riverside n slope Eagle Mountains; Colorado Desert 914 Comment
  UCR101791  Lotus strigosus George K. Helmkamp, E. A. Helmkamp 1997-3-5 1325 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR102933  Lotus strigosus George K. Helmkamp 1998-4-3 3080 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  UCR167821  Lotus strigosus John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR180388  Lotus strigosus Scott D. White, Andrea Warniment (Edwards) 2006-3-22 11272 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UCR165809  Lotus strigosus var. tomentellus John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  RSA278982  Lotus tomentellus B. A. Prigge 1978-3-23 2432 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA487422  Lotus unifoliolatus Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA508337  Lotus unifoliolatus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  RSA498730  Lotus wrangelianus Mark Morris, Richard C. Barkelew 1929-3-3 13717 Riverside Perris, Riverside Comment
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Nov 9 2011
  UC1595620  Lotus wrangelianus Steve Boyd 1991-5-20 6267 Riverside s flank Alberhill Mtn. (w end adjacent to old clay mine area); Temescal Cyn 426 Comment
  UCR23195  Ludwigia peploides subsp. peploides Jimbo Behrmann 1981-6-5 18 Riverside Santa Ana River Valley, Louis Rubidoux Nature Center, 1.5 mi. on Riverview Drive in Rubidoux 225 Comment
  RSA414451  Lupinus argenteus var. tenellus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  JEPS48834  Lupinus arizonicus Marjorie D. Clary 1932-3-27 951 Riverside Indio Hills Colorado Desert, Indio Hills Comment
  UCR267894  Lupinus arizonicus Jim Andre 2013-3-4 23857 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  RSA718299  Lupinus arizonicus Michael Honer, L. Hulse 2004-4-2 1880 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  CLARK-A1045-207  Lupinus bicolor subsp. marginatus George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  SEINET7040159 Image available Lupinus bicolor subsp. marginatus A. G. Vestal 1962-4-8 Riverside North east of Lake Elsinore (Elsinore) on Rt. 74 at jct with Rt. 71. UTM Zone 11, 538094mE, 3714232mN. Comment
  UCR1039  Lupinus bicolor subsp. microphyllus J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Mountains, Anza Cutoff on Pines to Palms Highway. 1500 Comment
  JOTR34141  Lupinus concinnus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3159 Riverside Joshua Tree National Park. NW tip of the Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  SEINET7358736  Lupinus concinnus L. Haines 1937-4-9 s.n. Riverside Pasture one mile west of San Jacinto, California;; 0 Comment
  UCR102121  Lupinus concinnus George K. Helmkamp 1984-5-5 E- 8 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
  UCR84638  Lupinus concinnus Scott D. White, S. Ogg 1994-4-21 1988 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA407146  Lupinus concinnus subsp. optatus Gale Sphon 1955-5-21 s.n. Riverside One mile north of Lake Fulmore Comment
  SEINET10485242  Lupinus densiflorus var. lacteus Woglum 1938-5-1 WOGLUM 1603 Riverside Between hemet and aguanga. Comment
  UCR187484  Lupinus excubitus Diane Menuz 2006-6-7 148 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, Cleveland National Forest 1050 Comment
  UCR268285  Lupinus excubitus var. austromontanus Jim Andre 2012-6-15 30538 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  POM2498  Lupinus excubitus var. hallii L. T. Street, Durant 1918-5-12 s.n. Riverside San Jacinto. Comment
  UC729974  Lupinus excubitus var. hallii Carl B. Wolf 1932-5-25 3693 Riverside 0.25 mi sw Summit of Moreno Grade (sw of Beaumont, Bad lands); Bad Lands 670 Comment
  RSA552730  Lupinus formosus var. formosus Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6752 b Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  OBI35670  Lupinus hirsutissimus Carolyn Eytcheson 1979-4-10 599 Riverside In low hills in San Jacinto Valley near Winchester Comment
  RSA180236  Lupinus hirsutissimus E. W. Lathrop 1965-5-23 5768 Riverside Riverside, 8 miles W of Murrieta 610 Comment
  SEINET2062641 Image available Lupinus hirsutissimus Norman C. Cooper 1945-5-5 2249 Riverside San Gorgonio Mts above Banning 762 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
  UCR125289  Lupinus microcarpus A. C. Sanders 2002-11-21 25642 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  CLARK-A1045-233  Lupinus sparsiflorus George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  SEINET3440252 Image available Lupinus sparsiflorus B. Pitzer 1986-4-26 187 Riverside Whitewater Canyon, ca. 4.5 mi. N of Hwy I-10 on Whitewater Canyon Road. (White-water 7.5'). Comment
  UC1929905  Lupinus sparsiflorus Scott D. White 2004-4-26 10242 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  RSA525690  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4561 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  SEINET10870698  Lupinus succulentus Tilforth 1979-4-11 TILFORTH 1788 Riverside Hills at the s side of lake skinner, e of murrieta, sw riverside co. 427 Comment
  RSA618413  Lupinus truncatus D. L. Banks 1997-5-5 1963 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
  POM14117  Luzula comosa Phillip A. Munz 1922-7-6 6000 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  CLARK-A1528-4347  Lycium andersonii John C. Roos 1938-4-27 19 Riverside Riverside Comment
  UC140137  Lycium andersonii C. F. Baker 1904-4-4 4145 Riverside Elsinore Comment
  UCR242302  Lycium andersonii A. C. Sanders, T. B. Salvato 2012-10-12 40428 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  JOTR34398  Lycium cooperi Andre, Jim 2012-4-16 20932 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  UC1329895  Lycium cooperi James E. Cole 1941-5-17 721 Riverside Covington Flat Canyon Joshua Tree National Monument 1432 Comment
  RSA428586  Lycium fremontii Martha Hilend 1928-4-24 135 Riverside Pointed Canyon, Colorado Desert. Comment
Read comments
Feb 9 2013
  UCR37667  Lycium torreyi J. M. Stewart 1984-11-11 8449 Riverside Sonoran (Colorado) Desert, Biskra Palms Oasis, Indio Hills, Coachella Valley 91 Comment
  UC519978  Lycopersicon esculentum Louis C. Wheeler 1933-7-27 2040 Riverside Santa Ana River at Chino Creek Chino Creek; Santa Ana River, Chino Creek 152 Comment
  RSA13742  Lycopus americanus E. C. Jaeger 1921-08 1165 Riverside Riverside. Comment
  UCR163891  Lythrum californicum B. G. Pitzer 2001-8-19 4344 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  RSA585872  Madia exigua D. L. Banks, S. D. Boyd 1995-5-9 0357 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  SDSU13588  Malacothamnus fasciculatus W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UCR41341  Malacothamnus fasciculatus N. M. Fellows 1984-3-20 2 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  RSA0064475  Malacothamnus fasciculatus John F. Emmel 1995-7-16 1381 Riverside San Jacinto Mts.; Rouse Ridge road, 3.5 road miles northwest of Rouse Hill summit (6.4 road miles SSE of Cranston Ranger Station). 1127 Comment
  RSA585506  Malacothrix clevelandii D. L. Banks, S. D. Boyd 1995-5-9 0367 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  UCR112969  Malacothrix coulteri B. G. Pitzer, T. Tennant 1998-2-21 3534 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi.le SE of the pumping station 412 Comment
  RSA668342  Malacothrix glabrata C. R. Annable 1995-3-12 2271 Riverside Mecca Hills, Box Canyon Wash. Hwy 195. Comment
  UC1563069  Malacothrix glabrata Steve Boyd and Orlando Mistretta 1986-3-13 1433 Riverside ne of Desert Center (jtn of Parker Dam Rd and Palen Rd (rd going through pass between Palen and Granite Ranges); Palen Mountains 243 Comment
  UCR272432  Malacothrix glabrata Cheryl Sevilla, Sarah J. De Groot 2015-3-16 022 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, just west of Mission Creek, 0.8 mile northwest of the Stone House 811 Comment
  CAS-BOT-BC347893  Malacothrix saxatilis var. tenuifolia Greata 1906-5-1 487 Riverside Yucaipe [Yucaipa] Comment
  RSA692250  Malacothrix saxatilis var. tenuifolia Scott D. White, Michael Honer 2003-5-27 9401 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  UC1979612  Malacothrix saxatilis var. tenuifolia D. L. Banks, Victor Steinmann 1995-7-10 0743 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. Comment
  UC667300  Malacothrix stebbinsii Annie M. Alexander and Louise Kellogg 1941-5-7 2129 Riverside 12 mi sw 29 Palms; Colorado Desert, Joshua Tree National Monument 1310 Comment
  IRVC75  Malosma laurina Ken Ellis 1965-4-24 s.n. Riverside Ortega Highway; Upper San Juan Creek Camp. Santa Ana Mountains Comment
  LA62898  Malosma laurina Harlan Lewis; 1940-7-18 sn Riverside roadside, US 395, 5 mi W of Temecula Comment
  RSA617696  Malva parviflora Scott D. White 1996-12-26 4643 Riverside Perris area 427 Comment
  RSA552761  Marah macrocarpa Steve Boyd 1992-3-31 6747 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  RSA596718  Marah macrocarpa L. C. Wheeler 1960-5-11 7701 Riverside San Jacinto Mountains. 1 mi. west of Hurley Flat. Comment
  CAS-BOT-BC216180  Marina parryi Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring Comment
  CAS-BOT-BC218950  Marina parryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center Comment
  RSA777855  Marina parryi Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 840 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  SEINET4326790 Image available Marina parryi Scott D. White, Robert Black 2011-2-25 13391 Riverside Kaiser Road N of US 10 freeway, along bend in road. 207 Comment
  UC494398  Marina parryi C. L. Hitchcock 1932-4-7 12205 Riverside Corn Springs, e Riverside County Corn Springs Comment
  UCR244922  Marina parryi Jim Andre 2012-3-19 21371 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  RSA708242  Marrubium vulgare Scott D. White, Angelia Carey 2004-5-7 10335 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  RSA617804  Marsilea vestita R. E. Riefner 1998-3-22 98 -197 Riverside Glen Ivy Fault, Main Street Comment
  UCR162942  Marsilea vestita Fred M. Roberts 1995-5-24 4945 Riverside Hemet, Upper Salt Creek drainage, N of Florida Avenue (State Route 74) and west of Warren Road, c. 1.6 km NW Ryan Field 548 Comment
  POM305374  Matricaria matricarioides Henry J. Ramsey, Henry J. Ramsey 1938-3-26 644 Riverside Temecula. Comment
  RSA735385  Melia azedarach Steve Boyd 2007-4-20 11723 Riverside Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh CanSoutheast-facing slope on English Lake trail. The Salmon Mountains., High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Areayon,'' ca. 0.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading to 26875 Walsh Road. 549 Comment
  POM8821  Melica imperfecta I. M. Johnston 1920-5-8 2276 Riverside Butte due west of Lakeview Comment
  UCR2555  Melica imperfecta M. F. Barrus 1920-1-27 213 Riverside Box Springs Mtns, Riverside, Sycamore Canyon 396 Comment
  SEINET10559686  Melica imperfecta Frank W. Gould 1943-4-17 Gould 2132 Riverside In small clumps on open rocky slopes; 4 miles east of Elsinore Comment
  RSA741426  Melilotus indicus Justin M. Wood 2008-12-2 264 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UC667316  Menodora scabra var. glabrescens Annie M. Alexander and Louise Kellogg 1941-5-21 2208 Riverside n base Eagle Mt.; Eagle Mts. 1158 Comment
  UCR9107  Mentha X piperita O. F. Clarke 1969-9-28 s.n. Riverside Riverside, residence of O.F. Clarke, 1012 Spruce Street 305 Comment
  RSA381081  Mentha spicata Robert F. Thorne, Steve D. Boyd, E. W. Lathrop 1985-7-18 61180 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 534 Comment
  RSA568837  Mentzelia Christopher Davidson 1979-4-4 7701 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  UCR260884  Mentzelia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41494 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  UC64493  Mentzelia affinis H. M. Hall 1897-3-10 Riverside San Jacinto Lake Comment
  JOTR00885  Mentzelia albicaulis Sipe, Frank 1958-3-10 268 Riverside Joshua Tree National Park. PINTO BASIN Comment
  UCR214548  Mentzelia desertorum A. C. Sanders 2010-3-15 37415 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  RSA124076  Mentzelia involucrata Percy C. Everett, E. K. Balls 1958-4-29 23009 Riverside Hwy 60/70, Indio to Blythe, 6.5 miles E from Jct with Hwy 9. 244 Comment
  SDSU8092  Mentzelia involucrata Darren S. Smith 1992-4-5 Riverside 480 Comment
  SEINET3094591 Image available Mentzelia involucrata Norman C. Cooper 1949-4-8 3249 Riverside Mecca Pass E of Indio. 457 Comment
  UC196003  Mentzelia involucrata Joseph Grinnell 1910-3-18 Riverside Riverside Mt., Colorado River Comment
  UCD117237  Mentzelia involucrata P. C. Everett 1958-4-29 23009 Riverside U.S. Hwy 60/70, Indio to Blythe, 6.5 miles east of junction with U.S. Hwy. 99. 243 Comment
  UCR119342  Mentzelia involucrata B. G. Pitzer 2000-5-7 4134 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  POM123017  Mentzelia involucrata var. megalantha Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  POM14258  Mentzelia involucrata var. megalantha P. A. Munz, D. D. Keck 1922-4-9 4914 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  SFV2377  Mentzelia laevicaulis A. M. Johnson 1932-8-18 4131 Riverside San Jacinto Mountains Along road on east side of mountains. Comment
  UC19597  Mentzelia laevicaulis var. laevicaulis Geo. F. Reinhardt June 1897 Riverside Southern California, San Jacinto Valley Comment
  RSA264571  Mentzelia longiloba var. longiloba C. W. Tilforth, John Dourley 1977-5-19 1323 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road, between Arica Mtns & Rice Valley. 244 Comment
  UCR104003  Mentzelia obscura George K. Helmkamp 1998-4-4 3145 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  CAS-BOT-BC348847  Microseris douglasii subsp. douglasii A. C. Sanders; K. C. Rose 1998-5-21 21860 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  RSA588974  Microseris douglasii subsp. platycarpha D. E. Bramlet 1994-4-20 2369 Riverside Shipley Reserve/SE corner of Lake Skinner Co. Park. Site is beside a large, ephemeral drainage S of the equestrian trail. It is approx 762 m SE of the park entrance road and 579m NW of East Benton Road. 518 Comment
  RSA543862  Microseris lindleyi Steve Boyd 1991-5-13 6252 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road 549 Comment
  UCR182357  Microseris lindleyi Mitch Provance 2005-5-17 6556 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
  RSA0018789  Mimetanthe pilosa Naomi S. Fraga, Erika Gardner, Beth Kempton, Tom Kerrin-Torres, Michael Wall 2008-7-17 2424 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  SD51957  Mimetanthe pilosa Reid Moran 1962-7-7 9859 Riverside by Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  UCR84594  Mimulus Scott D. White, S. Ogg 1994-4-21 1961 Riverside San Bernardino Mtns., Millard Canyon, near jct of E and W forks of USFS Road 2S05, c. 2.5 mi south of Bear Wallow Spring. 976 Comment
  UCD122229  Mimulus aurantiacus Maureen H. Pendleton 1988-2-1 s.n. Riverside Ca. 2 1/2 mi. S of Temecula between I-215 and Rainbow Canyon Road. 411 Comment
  OBI8385  Mimulus aurantiacus var. pubescens David J. Keil, Malcolm Mcleod 1977-3-26 12024 Riverside 0.7 mi W of jctn with Riverside Co. rd R-3 (to Hemet) along Calif Rte 79 549 Comment
  POM70  Mimulus aurantiacus var. pubescens P. A. Munz 1917-4-27 2145 Riverside Temecula Comment
  POM8476  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2296 Riverside Butte west of Lakeview. 610 Comment
  UCR220004  Mimulus aurantiacus var. pubescens A. C. Sanders 2010-11-18 38689 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  RSA523838  Mimulus aurantiacus var. puniceus Gordon H. True Jr. 1935-3-1 40 Riverside Gavilan Hills. 457 Comment
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Apr 3 2011
  SDSU12851  Mimulus aurantiacus var. puniceus Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998H Riverside Road to southwest of SDSU Santa Margarita Field Station, ca. 1000 feet S.W. on road to switchback, northwest of bend in road. 262 Comment
  JEPS8159  Mimulus bigelovii var. bigelovii W. I. Follett 126 Riverside 5 mi w Desert Center; Colorado Desert Comment
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Sep 3 2011
  RSA420968  Mimulus bigelovii var. bigelovii N. C. Cooper 1949-4-8 3275 Riverside Shaver's Summit east of Indio. 610 Comment
  SFV17320  Mimulus bigelovii var. bigelovii J. N. Hogue, J. D. Dilley (265) 1998-4-23 108 .3 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  RSA522089  Mimulus brevipes Steve Boyd, Tim S. Ross, Kyle Boyd 1989-6-24 3755 Riverside Vail Lake area, along road in shallow cyn on SE flank of 'Little' Oak Mtn., W of Kolb Creek drainage, N of Hwy 79. Comment
  UCSB26918  Mimulus cardinalis Wilken, Dieter 1969-6-30 Riverside Dark Canyon; along County Road R1; 7.0 miles north of Idyllwild; San Jacinto Mtns 1524 Comment
  CSUSB2021  Mimulus diffusus J. Bennett 1979-6-3 s.n. Riverside San Jacinto Mts., Pine Cove Comment
  RSA430183  Mimulus diffusus Anstruther Davidson 1896-7-9 s.n. Riverside Strawberry Valley 1677 Comment
  UCR158319  Mimulus floribundus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30062 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
  LA209477  Mimulus fremontii Elizabeth McClintock; 1940-6-30 sn Riverside San Jacinto Mts., Between Fern Basin Camp and Marion Camp, Banning-Idyllwild road Comment
  UCR30842  Mimulus fremontii var. fremontii A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3869 Riverside San Jacinto Mtns, Black Mountain: Forest Road 4S01, 3.9 mi above Hwy 243 2012 Comment
  UCR35254  Mimulus guttatus L. B. Ziegler 1968-7-17 330 Riverside San Jacinto Mtns, Hemet Valley (= Garner Valley). Valley floor; meadowy region near Lake Hemet 1357 Comment
  UCSB7515  Mimulus guttatus Ralph, F. 1959-5-16 Riverside in San Jacinto Mtns; 8.5 miles north of Idyllwild and about 17.8 miles south of the corner of 8th St. and San Gorgornio Rd., Banning 1676 Comment
  UC519698  Mimulus palmeri Victor Duran 1932-5-18 3220 Riverside Idyllwild San Jacinto Mountains 1676 Comment
  RSA544419  Mimulus pilosus Steve Boyd, Tim S. Ross 1991-6-14 6387 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  GMDRC4942  Mirabilis bigelovii var. retrorsa J. Andre 2011-2-18 15818 Riverside Coachella Valley: north end of valley at base of Morongo Canyon, 0.5 mi. N. of Indian Cyn Rd, 1 mi. west of Hwy 62. 473 Comment
  JOTR29604  Mirabilis bigelovii var. retrorsa Andre, Jim 2006-4-26 6761 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  JEPS61337  Mirabilis laevis W. L. Jepson 1927-4-14 11707 Riverside Silent Canyon, SE end of Santa Rose Moutains 304 Comment
  CAS-BOT-BC434683  Mirabilis laevis var. crassifolia Catherine A. Toschi 1963-4-5 63 :101 Riverside 3 miles northeast of Moreno 304 Comment
  HSC86981  Mirabilis laevis var. crassifolia B. Pitzer, A. C. Sanders 1987-4-21 500 Riverside Box Spring Mtns. near S radio towers 793 Comment
  SBBG54995  Mirabilis laevis var. crassifolia D. Keil, M. McLeod 1977-3-26 12008 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
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Apr 27 2013
  SJSU4253  Mirabilis laevis var. crassifolia G. B. Youngberg 1956-3-29 216 Riverside by Lake Matthews, Arlington c. 8 mi E of Corona Comment
  UCR120942  Mirabilis laevis var. crassifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24920 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA28054  Mirabilis laevis var. retrorsa I. L. Wiggins 1941-3-27 9696 Riverside 4 mi. north of Whitewater. Comment
  POM12912  Mirabilis multiflora var. pubescens P. A. Munz 1922-6-24 5812 Riverside Pipe Creek, Hemet Valley Comment
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Mar 24 2011
  RSA494625  Mirabilis multiflora var. pubescens Maureen Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  SD119907  Mirabilis multiflora var. pubescens Louis B. Ziegler 1964-8-30 21 Riverside San Jacinto Mountains, Garner Valley. 1431 Comment
  POM13390  Mohavea confertiflora E. C. Jaeger 1922-3-4 1025 Riverside Painted Canyon near Mecca. Comment
  SBBG66376  Mohavea confertiflora M. N. Ackley -Feb-1926 Riverside Shaver's Well Comment
  UCR279581  Mohavea confertiflora A. C. Sanders, Jim Malusa 2017-3-28 43152 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UCR60840  Mohavea confertiflora Steve Boyd, Orlando Mistretta 1986-3-13 1453 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  RSA608162  Mollugo cerviana Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10050 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UC218265  Monardella breweri subsp. lanceolata P. A. Munz 1922-7-3 5945 Riverside Head of Hemet Valley; San Jacinto Mts. 1524 Comment
  LA62725  Monardella linoides subsp. linoides Carl Epling; William Robison 1934-7-27 sn Riverside Palms to Pines Highway- along road Comment
  RSA0103093  Monardella linoides subsp. linoides Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8547 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  CHSC21752  Monardella macrantha subsp. hallii Robert A. Schlising 1968-8-17 2906 Riverside On trail to San Jacinto Peak, above Marian Mt. campground. Comment
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Jul 22 2020
  RSA450083  Monardella macrantha subsp. hallii J. C. Roos 1962-6-30 s.n. Riverside Sugarloaf, Santa Ana Mountains Comment
  UCR217559  Monardella macrantha subsp. hallii Jeff B. Galvin 2009-7-14 95 Riverside Peninsular Ranges, San Jacinto Mountains, Chimney Flats, along Old Control Road 1383 Comment
  UC1499821  Monardella nana Elizabeth McClintock 1941-7-21 125 Riverside San Jacinto Mts. Trail to Hidden Lake, a short distance beyond the creek which is above Willow Creek. Comment
  POM259109  Monardella nana subsp. arida P. A. Munz 1938-8-14 15365 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2439 Comment
  RSA300464  Monardella nana subsp. arida Walter Wisura 1982-5-29 3826 Riverside San Jacinto Mountains, along Pacific Crest Trail ca. 2 miles from Hwy 1524 Comment
  RSA750394  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 40 Riverside 1.5 to 2 miles from turn off to Anza Monument, on road to Coyote Canyon. Comment
  UC1499876  Monardella nana subsp. tenuiflora Elizabeth McClintock 1940-7-21 30 Riverside 1/4 mi above Santa Rosa Springs (on the Santa Rosa Mt. road) Comment
  UC1499957  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 100 Riverside 1 1/4 mi beyond the snow gate Black Mt. Comment
  RSA640205  Monolepis nuttalliana R. S. Woglum 1939-3-21 2176 Riverside Sonoran Desert: Mecca; north of Salton Sea. Comment
  GMDRC2589  Monoptilon bellidiforme J. Andre, T. La Doux 2008-3-21 8830 Riverside Little San Bernardino Mountains: JTNP: Pinkham Exit dirt road, at Cottonwood Visitor's Ctr, just N. of Cottonwood Cyn.. Elev. 3080 ft. 939 Comment
  POM363589  Monoptilon bellioides L. H. Jones 1910-3-17 s.n. Riverside Not plantiful, on gravelly banks and small washes at edge of mesas, Riverside Mountain, Colorado River. Comment
  RSA554011  Monoptilon bellioides A. C. Sanders, E. J. Lawlor 1992-4-4 12130 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCR214420  Monoptilon bellioides A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37491 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
  RSA336205  Montia fontana R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51991 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  POM13069  Muhlenbergia filiformis E. C. Jaeger 1921-6-24 s.n. Riverside Long Valley Comment
  POM13028  Muhlenbergia microsperma P. A. Munz, D. Keck 1922-4-13 4947 Riverside Eagle Mountains. 244 Comment
  SBBG122763  Muhlenbergia microsperma A. Parikh 1990-5-10 166 Riverside S shore Diamond Valley Lake, 4.2 km S of Simpson Rd, 4.4 km W of Winchester Rd 524 Comment
  SEINET1909561  Muhlenbergia microsperma A. C. Sanders 2004-1 27550 Riverside Santa Ana Mtns: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UC1117712  Muhlenbergia microsperma A. A. Beetle 1946-4-18 4231 Riverside near Murietta; DeLuz Comment
  UC2015685  Muhlenbergia microsperma A. C. Sanders, G. Helmkamp, P. MacKay, et al. 1995-3-1 16182 Riverside Coachella Valley/San Jacinto Mtns. foothills: Chino Canyon near the Palm Springs tram station. Comment
  UCD86836  Muhlenbergia microsperma C. L. Hitchcock 1940-4-2 5915 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  SEINET10599984  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross; Laurel Arnseth 1990-3-29 Boyd 3840 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Cyn and adjacent benches on S flank of "Big" Oak Mtn. T8S R1W S5 SE1/4 NE1/4, S4 SW1/4 NW1/4. E side of ridge burned, W side w/Salvia Artemisia, Ceanothus crassifolius. 396 Comment
  UCR195801  Muhlenbergia porteri Tasha La Doux, J. Andre 2007-9-6 129 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  RSA0021445  Muhlenbergia rigens H. de Forest, Jack Rempel 1934-4-15 s.n. Riverside Jaquitz Canyon floor. 183 Comment
  POM13204  Muilla maritima Philip A. Munz, I. M. Johnston 1922-5-20 5465 Riverside Kenworthy, San Jacinto Mountains 1433 Comment
  UCR113539  Muilla maritima Mitch Provance 1998-6-6 692 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  UCR80794  Muilla maritima Scott D. White 1993-5-29 1446 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  UC68714  Nama pusilla H. M. Hall May, 1905 5963 Riverside near Mule Springs (Colorado Desert); , near Mule Springs Comment
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Sep 11 2011
  RSA627383  Nassella lepida H. A. Haid 1968-5-19 s.n. Riverside San Jacinto Mtns: Bautista Canyon, above confluence with Horse Creek., 33Y'38'N, 116Y'48'W 878 Comment
  SEINET1910242  Nassella lepida Sarah De Groot 2006-1 5210 Riverside San Jacinto Mountains: Dirt road heading east from Castille Canyon Road toward Indian Creek, west of Poppet Falt. 658 Comment
  RSA736254  Nassella pulchra Scott D. White, Justin M. Wood 2008-4-3 11794 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  CLARK-A1045-312  Navarretia atractyloides George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains near south southeast of Mesa de Burro; vernal pool; Murrieta 7.5' Q Comment
  UCR90771  Navarretia fossalis D. E. Bramlet 1993-5-8 2344 Riverside San Jacinto Wildlife area. 274 m south of the headquarters building, 122 m east of Davis Rd. and 168 m north of old San Jacinto River channel 434 Comment
  RSA17255  Navarretia hamata C. B. Wolf 1936-6-17 7958 Riverside Santa Ana Mountains, Tenaja Road: road to La Cienaga, 1.4 mile off Ortega Highway. 610 Comment
  UCR166713  Navarretia hamata Scott D. White, Jennifer H. Jones 2005-5-25 11113 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately N of San Diego County line 579 Comment
  SEINET3812582 Image available Nemacladus glanduliferus var. glanduliferus Robert F. Thorne, W. Wisura; A. Shmida; R. Whittatker 1978-4-23 52037 Riverside San Jacinto Mtns: Chino Canyon, Palms to Pines highway Comment
  HSC85393  Nemacladus longiflorus Steve Boyd 1986-4-19 1700 Riverside Temescal Canyon, E side of Indian wash between I-15 and Temescal Canyon Rd. Comment
  SEINET10458412  Nemacladus longiflorus Spencer Spencer 1728 Riverside Comment
  POM68114  Nemacladus longiflorus var. breviflorus Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UCR30095  Nemacladus orientalis George K. Helmkamp 1983-4-5 483- 44 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  SEINET10461021  Nemacladus pinnatifidus Willis L. Jepson 1928-4-25 Jepson 12601 B Riverside Cottonwood Springs, Eagle Mountains, Colorado Desert 732 Comment
  SEINET10461042  Nemacladus ramosissimus Hall Hall 1961 a Riverside Comment
  RSA79151  Nemacladus rubescens P. A. Munz, Percy C. Everett 1952-5-2 16249 Riverside 2 miles west of Desert Hot Springs 183 Comment
  RSA802257  Nemophila menziesii Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5004 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UCR164572  Nemophila menziesii S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon near Tripp Flats Rd. 1183 Comment
  UCR49231  Nemophila menziesii Steve Boyd 1980-5-8 1610 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  JEPS12281  Nicotiana attenuata Carl V. Meyer 1928-7-26 523 a Riverside right above Dutch Flat (Hannah's sawmill); San Jacinto Mts. Comment
  RSA426700  Nicotiana glauca D. A. Young 1969-3-28 P- 302 Riverside 1/2 Mile NE of interstate 10 on Verbenia Ave. 100 yds S of Chaparral Rd on the SW side of Verbenia Ave. 335 Comment
  RSA653435  Nicotiana quadrivalvis Scott D. White 1999-5-24 7398 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UCR166710  Nicotiana quadrivalvis Scott D. White 2005-7-6 11156 Riverside San Jacinto Mtns/Sonoran/Colorado Desert, San Gorgonio Pass: Cabazon. Toeslope of the San Jacinto Mtns and adjacent fan west of San Gorgonio River, south of the I-10 Fwy 610 Comment
  CLARK-A1528-1495  Nolina bigelovii John C. Roos 1982-5-15 3852 Riverside Eagle Mountains Comment
  JOTR31981  Nolina bigelovii La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2217 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  RSA1788  Nolina parryi Carl B. Wolf 1931-5-11 s.n. Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
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Mar 24 2011
  SEINET8043949 Image available Notholaena californica Joseph Cahill 2011-1 111 -08 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert: c. 1.4 miles west of intersection of South Palm Canyon Dr. and Murray Canyon Dr., SW of Palm Springs. 403 Comment
  UC218652  Notholaena californica P. A. Munz and I. M. Johnston 1922-5-21 5551 Riverside 4 mi ne San Jacinto 457 Comment
  SEINET10492362  Oenothera decorticans David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3703 Riverside Leaving dry spike. Pushawalla canyon growing in the wash, indio hills, colorado desert. Comment
  LA206158  Oenothera deltoides Charles Bogert; 1932-4-17 4001 Riverside Indian Wells Comment
  RSA118387  Oenothera deltoides subsp. deltoides P. A. Munz, David P. Gregory, William M. Klein 1958-4-4 22962 Riverside Sun Tan Motel, 3.5 mi. nw. Indio city limits, on Hwy 70 [Hwy 10]. 30 Comment
  RSA615333  Oenothera deltoides subsp. deltoides George K. Helmkamp, E. A. Helmkamp 1998-2-18 2689 Riverside Colorado Desert: Midland Road, 3.8 miles SE of Midland, Little Maria Mountains Comment
  UC723984  Oenothera deltoides subsp. deltoides Aven Nelson and Ruth A. Nelson 1930-3-30 3337 Riverside on hwys 60 and 70 between Blythe and Mecca Comment
  SEINET3092704 Image available Oenothera hookeri B. Pitzer 1986-5-24 243 Riverside Whitewater Canyon, ca. 5 mi. N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery boundary. Whiewater 7.5' quad. Comment
  UCR114327  Oenothera rosea Mitch Provance 2000-9-28 2264 Riverside UCR Campus, S side of Linden St., across from the Parking Services building. 335 Comment
  UC665851  Oligomeris linifolia Ira L. Wiggins 1941-3-24 9581 Riverside 3.5 mi s Mortmar (beach along eastern margin of Salton Sea); along eastern margin of Salton Sea Comment
  OBI27787  Olneya tesota David J. Keil 1980-6-20 14066 Riverside box Cyn rd exit from I-10 488 Comment
  VVC234  Olneya tesota Frank Awbrey 1959-4-24 s.n. Riverside 17.7 miles east of Mecca on St Hwy 195 at E end of Box Cyn 366 Comment
  CAS-BOT-BC227272  Oncosiphon piluliferum A. C. Sanders; John F. Green 2012-3-26 39992 Riverside Peninsular Range; Santa Ana Mtns. Area: Temescal Canyon, De Palma Rd. near Indian Truck Trail, west of Lee (Corona) Lake near edge of a commercial development 363 Comment
  RSA0039454  Oncosiphon piluliferum A. C. Sanders, Timothy W. Chumley 2013-4-1 40725 Riverside Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  UCD134650  Oncosiphon piluliferum John Green 2005-5-4 s.n. Riverside Perris-Aguanga Region: SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base. 533 Comment
  UCR137332  Oncosiphon piluliferum A. C. Sanders 2004-4-9 27479 Riverside Perris Valley, Ramona Expressway at east end of Lake Perris dam 457 Comment
  SEINET8674695  Opuntia X vaseyi Rosemary Trelease, Nancy Foisy, Joni Ward 2004-4-27 54525 Riverside Originally received into the Desert Botanical Garden living collection as a plant collected by Bruce Parfitt 3503 19 April 1986 with R. Anthony and A. Sanders from California, Riverside County, Pauba Valley, Highway 79 crossing of Temecula River (or Creek), 4.6 miles east of junction with road to Pala in the vicinity of the given coordinates as determined by Google Earth; collector's notes: Spiny and spineless pads on same plant; sage scrub hillside E of creek and S of highway. 1000 Comment
  SEINET3071813  Opuntia basilaris Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17499 Riverside Queen Mountain quadrangle, zone 11 0585460mE 3765223mN NAD83, Queen Valley, 1km west of Desert Queen (McHaney's) Mine, 1km ESE of the summit of Negor Hill, 13km SSW of Twentynine Palms 1335 Comment
  CAS-BOT-BC56844  Opuntia littoralis Steve Boyd 1986-5-7 1833 Riverside Field redacted by CAS, contact the data manager for more information Comment
  POM284052B  Opuntia vaseyi Lyman Benson 1955-12-6 15620 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  POM317695  Opuntia vaseyi Lyman Benson 1955-12-6 15618 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  UCR119797  Orcuttia californica R. E. Riefner Jr. 1998-8-13 98- 474 Riverside Elsinore Trough, Wildomar, [S end of Lake Elsinore ?] Comment
  JEPS85950  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4528 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  JEPS85953  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4531 Riverside ca. 16 mi. n.e. Desert Center (along Rice Rd.) Comment
  SBBG68734  Orobanche cooperi E. C. Jaeger 1926-2-1 Riverside Salt Crk Wash, near Dos Palmos Comment
  UC68719  Orobanche cooperi H. M. Hall 1905-5-1 5991 Riverside Colorado Desert near Indio; Colorado Desert 30 Comment
  UCR60792  Orobanche cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1402 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
  UCR9019  Orobanche cooperi K. K. Muller 1967-3-20 1383 Riverside Sonoran (Colorado) Desert, 17.5 mi north of Desert Center on road to Rice Comment
  RSA0077923  Orobanche fasciculata Ivan M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon. 243 Comment
  UCR178547  Orobanche ludoviciana var. cooperi R. G. Swinney 1967-3-12 067 Riverside Sonoran (Colorado) Desert, North of Eagle Mountains 274 Comment
  RSA0034093  Orobanche parishii Duncan S. Bell 2013-1-30 4452 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
  RSA4384  Orthocarpus purpurascens var. pallidus Dorothy R. Wolf 1932-3-20 30 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  RSA0034673  Oryzopsis hymenoides Norman C. Cooper 1945-3-24 1615 Riverside Cabazon. 457 Comment
  RSA458993  Osmorhiza brachypoda Christopher Davidson 1977-5-18 5618 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1219 Comment
  RSA0012063  Oxytheca caryophylloides Steve Boyd, Gary D. Wallace 2005-7-30 11653 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  RSA64889  Oxytheca emarginata F. W. Peirson 1922-5-21 3034 Riverside Hemet Valley, San Jacinto Mts. 1372 Comment
  CAS-BOT-BC327913  Palafoxia arida Marcus E. Jones 1884-5-7 3849 Riverside The Needles Comment
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Sep 2 2017
  CAS-BOT-BC327915  Palafoxia arida Ivan Johnston 1917-4-4 1089 Riverside Mouth of Andreas Canyon 243 Comment
  SBBG15848  Palafoxia arida H. Yokoyama 1953-3-22 141 Riverside Morongo Cyn Comment
  UCD134902  Palafoxia arida L. S. Rose 1936-1-1 s.n. Riverside L.A. Aqueduct Road, 15 miles north of Indio. 304 Comment
  UCR167457  Palafoxia arida 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
  RSA773116  Palafoxia arida var. arida Thomas Stoughton, Jackie McConnaughy, Andrew Monks 2010-12-1 722 Riverside Coachella Valley Preserve. Ca 0.25 mile E of road. Site no. 3. 305 Comment
  UC573917  Panicum capillare H. S. Yates 1937-6-27 6707 Riverside near Relief Hot Springs; San Jacinto Quad. Comment
  UCD89571  Panicum capillare subsp. hillmanii Beecher Crampton 1964-6-19 7014 Riverside UC Riverside campus experimental areas, plant introduction nursery. Comment
  UCR2615  Panicum miliaceum F. M. Reed 1918-1 4012 Riverside Riverside: on Indianapolis Ave. (Spruce Street) near Kansas 268 Comment
  POM116060  Panicum urvilleanum Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  SEINET10788753  Panicum urvilleanum Sarah E. Youngstrom, J. Travis Columbus 2007-5-23 Youngstrom 1 Riverside Just E of San Jacinto in San Jacinto River, 100-200 m N of Main St. bridge, near middle of dry river channel. 485 Comment
  CAS-BOT-BC422793  Papaver californicum Steve Boyd; Tim Ross 1990-5-11 4629 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy 79. 670 Comment
  RSA614534  Papaver californicum A. C. Sanders 1997-5-4 20631 Riverside UTM 10km cell: NH-1E, 4N. Vista Grande. 1067 Comment
  RSA524466  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4069 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA0112102  Parkinsonia florida Duncan S. Bell 2009-10-9 485 Riverside Northwest of the Arica Mountains. 281 Comment
  SEINET2060863 Image available Parkinsonia florida John N. Bullock 1948-4-27 P- 19 Riverside 100 m SE of Californnia Hwy 195, 8.9 meters E of the All American Canal, Mortmar 7 1/2' Quad. 292 Comment
  UCR272649  Parkinsonia florida Cheryl Sevilla, Sarah J. De Groot, Forrest D. Freund 2015-4-1 072 Riverside Sonoran (Colorado) Desert, Coachella Valley, Santa Rosa Mountains, suth of La Quinta, north of Devil Canyon, 2.5 miles west of Lake Cahuilla 136 Comment
  RSA0054913  Parkinsonia microphylla W. Marquart 1938-3-12 s.n. Riverside Fifteen mi. west of Blythe. Comment
  UCR197056  Parthenocissus vitacea A. C. Sanders, D. L. Sanders 2008-9-27 36104 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
  UCR89828  Paspalum distichum Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) andc. 0.25 mi south of the San Jacinto River 430 Comment
  POM204508  Pastinaca sativa M. French Gilman 1934-7-8 s.n. Riverside San Jacinto Mountains Comment
  RSA795233  Pectis papposa Justin M. Wood, Dustin Ray 2010-10-1 2772 Riverside Sonoran Desert: Chuckwalla Valley northwest of Victory Pass on east side of Kaiser Road +/-1 mile north of Desert Center Landfill at proposed Eagle Mountain Solar Site. 205 Comment
  JOTR38523  Pectis papposa var. papposa Harding, Mitzi, Kipp Callahan 2012-8-27 292 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  RSA782002  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-13 113 Riverside West side of the West Riverside Mountains. Highway 62 to Rice Valley Road. Rice Valley. 256 Comment
  UC2026451  Pectis papposa var. papposa Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10049 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  UCD134923  Pectis papposa var. papposa Lewis S. Rose 1961-11-24 61063 Riverside La Quinta. 15 Comment
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Aug 6 2016
  UCR263486  Pectocarya anisocarpa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41454 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
  JOTR28951  Pectocarya heterocarpa La Doux, Tasha 2005-3-30 1187 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  UCR214423  Pectocarya heterocarpa A. C. Sanders, Richard Dwerlkotte 2010-3-22 37508 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  UCR249666  Pectocarya heterocarpa T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7304 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
  UCR29781  Pectocarya heterocarpa George K. Helmkamp 1983-3-24 383- 12 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  UCR33810  Pectocarya heterocarpa Sears 1978-3-16 826 Riverside Sonoran (Colorado) Desert, 2.5 mi NW of Midland, in wash area beyond gap between Little Maria and Big Maria Mtns 270 Comment
  RSA314642  Pectocarya linearis subsp. ferocula R. F. Thorne 1983-4-23 55449 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 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
  CAS-BOT-BC224934  Pectocarya penicillata A. C. Sanders 2011-4-6 39003 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
  JEPS68196  Pectocarya penicillata W. L. Jepson 1935-4-17 19149 Riverside 1.5 mi n Elsinore 457 Comment
  RSA757639  Pectocarya penicillata LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4313 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
  RSA0125296  Pectocarya platycarpa Duncan S. Bell 2016-3-3 8782 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  RSA775800  Pectocarya platycarpa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 988 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  RSA496356  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3030 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  SFV6308  Pectocarya recurvata T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 47 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Sandy wash. Comment
  UCR256746  Pectocarya recurvata T. B. Salvato, Matthew Malle 2013-4-11 7535 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  UCR60271  Pectocarya setosa Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3676 Riverside Peninsular Range, Vail Lake area, benches of Arroyo Seco and slopes of hills to the east 488 Comment
  RSA500990  Pedicularis densiflora Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3109 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
  UC27331  Pedicularis semibarbata H. M. Hall 1901-7 2593 Riverside Tamarack Valley; San Jacinto Mountains 2743 Comment
  HSC35459  Pellaea andromedifolia J. D. Ackerman, A. M. Montalvo 1975-6-26 527 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, near Upper San Juan Campground, Cleveland Nat'l Forest 610 Comment
  RSA686755  Pellaea andromedifolia J. D. Olmsted 1962-5-10 3630 Riverside Coldwater Canyon, Corona city water supply 396 Comment
  RSA686928  Pellaea mucronata Norman C. Cooper 1944-3-24 1032 Riverside Banning. 701 Comment
  UCR154840  Pellaea mucronata A. C. Sanders, Mike Misenhelter 2005-3-23 29283 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR91428  Pellaea mucronata Scott D. White 1995-3-30 2651 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
  LA105726  Pennisetum setaceum Dave Hawks; 1986-4-17 sn Riverside Whitewater River channel, 1 mi S of Hwy I-10 and 2 mi. W of Indian Ave, 259 Comment
  UCR39184  Pennisetum setaceum M. L. Rosczyk, G. K. Helmkamp 1985-4-4 211 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, Big Morongo Preserve, south of Morongo Valley, at the west side of the main canyon c. 0.5 miles north of Indian Ave. 503 Comment
  UCR16007  Penstemon centranthifolius David T. Wright 1966-5-16 s.n. Riverside San Jacinto Mtns, 8 mi SE of Banning, at Hurley Flats Rd 1341 Comment
  UCSB47315  Penstemon centranthifolius Hibbard, Doug 1977-5-6 Riverside north west side of Hwy 74; 11.8 mi up from its intersection with Hwy 111 1036 Comment
  RSA96996  Penstemon centranthifolius R. M. Straw 1953-6-5 446 Riverside 0.2 mi. west of Palms to Pines Hwy on road to Anza. Comment
  POM229030  Penstemon clevelandii subsp. connatus Philip A. Munz 1937-5-29 15154 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  RSA412499  Penstemon clevelandii subsp. connatus S. B. Parish 1896-4-4 s.n. Riverside Palm Springs, (Agua Calienta,) desert base of San Jacinto Mountain 152 Comment
  SD73628  Penstemon clevelandii var. connatus Helen V. Witham 1970-4-29 823 Riverside 22 miles east of Lake Hemet, on Hwy 74. 1299 Comment
  UC103078  Penstemon clevelandii var. connatus S. B. and W. F. Parish Apr 1882 1216 Riverside Agua Caliente Comment
  RSA402125  Penstemon labrosus Christopher Davidson 1978-6-15 7386 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  UC27467  Penstemon labrosus H. M. Hall 1898-7-2 969 Riverside San Jacinto Mountains San Jacinto Mountains (Southern California) Comment
  UCR245239  Penstemon pseudospectabilis Jim Andre 2012-3-19 21330 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
  RSA20208  Penstemon spectabilis Carl B. Wolf 1938-6-11 9417 Riverside Palms to Pines highway, 1.5 mi. W of junction to Anza 1220 Comment
  RSA221075  Penstemon spectabilis E. W. Lathrop 1966-5-8 6401 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA559335  Penstemon spectabilis Steve D. Boyd, Tim S. Ross 1992-5-15 7407 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  SEINET10701942  Penstemon spectabilis Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-18 Scott 134 Riverside San Bernardino National Forest. 1.0 mi. up Little Thomas Mountain Rd. (Forest Road 6S13) just S of Lake Hemet from Rt. 74. 1409 Comment
  UCD124329  Penstemon spectabilis K. M. Meyer; A. Townesmith, T. Scott 2007-3-18 134 Riverside San Bernardino National Forest, 1 mile up Little Thomas Mountain Road. (Forest Road 6S13) just south of Lake Hemet from Rt. 74. 1467 Comment
  NY661162  Penstemon spectabilis var. spectabilis G. T. Hastings 1941-4-26 s.n. Riverside Near Sage-south of Hemet Comment
  POM187834  Penstemon thurberi E. C. Jaeger 1931-9-18 s.n. Riverside Near Lost Horse Mine Comment
  POM12946  Pentachaeta aurea P. A. Munz, I. M. Johnston 1922-5-19 5390 Riverside 3 miles west of Keen Camp. 1494 Comment
  RSA696982  Pentachaeta aurea Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  UCR193899  Pentachaeta aurea A. C. Sanders, Mitch Provance 2008-7-11 35782 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 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
  UCSB39088  Pentagramma triangularis subsp. maxonii Jorgensen, Jan 1982-3-23 Riverside 3 kilometers up road to aerial tramway, Palm Springs 120 Comment
  JOTR34375  Peritoma arborea var. arborea Andre, Jim 2012-4-16 20895 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  CAS-BOT-BC355982  Perityle emoryi Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-20 6416 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 289 Comment
  OBI8214  Perityle emoryi David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12078 -2 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 11 mi S of N park boundary Comment
  RSA305912  Perityle emoryi Fay A. MacFadden 1940-3-17 15304 Riverside Rd from Twentynine Palms to Indio, about half way, San Bernardino Mts. Riverside Co. Comment
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Oct 16 2011
  SBBG54478  Perityle emoryi L. R. Abrams 1926-3-26 Riverside Palm Springs Comment
  UCR148329  Perityle emoryi John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  UCR224306  Perityle emoryi Justin M. Wood, Jamie Miner 2010-4-29 1542 Riverside Coachella Velley, Cathedral City, 0.5 mi southwest of intersection of East Palm Canyon Drive and Cathedral Canyon Wash 160 Comment
  HSC82745  Petalonyx thurberi R. F. Thorne, W. A. Tilforth 1980-5-28 54191 Riverside San Bernardino Mtns., W-facing slope of Whitewater ridge above old bridge. Comment
  RSA675729  Petalonyx thurberi Scott D. White 2001-4-27 8420 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  RSA450482  Peucephyllum schottii J. C. Roos 1966-2-5 s.n. Riverside Pushawalla Wash near 1000 Palms, Indio Hills. Comment
  POM18746  Phacelia brachyloba P. A. Munz 1923-6-14 7055 Riverside Glen Ivy Trail to Santiago Peak 1067 Comment
  RSA736783  Phacelia brachyloba Scott D. White, Angelia Carey 2004-7-2 10554 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA0003811  Phacelia californica var. jacintensis E. C. Jaeger 1922-7-1 1045 Riverside Tahquitz Valley, San Jacinto Mts. Comment
  JEPS119490  Phacelia campanularia subsp. campanularia Clark Cowan 1978-4-23 1172 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. Comment
  RSA27807  Phacelia campanularia subsp. vasiformis C. L. Hitchcock 1940-3-29 5862 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  SD260054  Phacelia campanularia subsp. vasiformis J. Andre 2012-4-11 20781 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 rocky hills and large wash. 729 Comment
  SEINET2042416 Image available Phacelia crenulata B. Pitzer 1998-2-1 3442 Riverside Hayfield Spring Quad 7.5': Hayfield Dry Lake, alluvial fan on N side of lakebed, from paved road lakebed. 427 Comment
  JOTR28947  Phacelia crenulata var. ambigua La Doux, Tasha 2005-3-30 1183 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  UCD120390  Phacelia crenulata var. ambigua John Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert: Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek. 23 Comment
  UCR74370  Phacelia crenulata var. ambigua Theo Glenn 1991-5-30 91- 2 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  RSA428301B  Phacelia cryptantha I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Colorado Desert. 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
  JEPS2319  Phacelia distans W. L. Jepson May 17 1901-Jun 1 1901 1276 Riverside Canyon of the San Jacinto River Comment
  RSA555478  Phacelia distans D. Charlton 1988-2-18 1183 Riverside Alluvial Fan, S side of Little San Bernardino Mtns, Fargo Canyon road to Cottonwood wash, S of Joshua Tree National Par, Parallel to I10. 1 mile E of Jct Dillon Road and Fargo Canyon road. 610 Comment
  SEINET3091907 Image available Phacelia distans John Adams 1966-3-12 452 Riverside Hwy 74, 2 mi. above Palm Desert. Comment
  UCR25548  Phacelia distans John C. Roos 1941-4-19 175 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  RSA507480  Phacelia minor Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  UCD120568  Phacelia minor Steve Boyd 1986-3-1 1361 Riverside Gavilan Plateau, Gavilan Hills: 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR89876  Phacelia minor Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3331 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  RSA428151  Phacelia parryi N. C. Cooper 1944-6-4 2020 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  JOTR30111  Phacelia pedicellata La Doux, Tasha, Bill Truesdell 2008-3-18 1659 Riverside Joshua Tree National Park. Stop 2 = Near northern Park boundary in Rattlesnake Canyon Wash, near bouldery outcrops 892 Comment
  LA205627  Phacelia ramosissima Elizabeth McClintock; 1941-5-19 9 Riverside rd to Santa Rosa Peak Comment
  RSA0093148  Phacelia umbrosa T. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3708 Riverside San Jacinto Mountains: San Jacinto River Canyon, along south Fork Trail c. halfway between Hwy 74 and the bottom of the canyon. 1110 Comment
  RSA515337  Phalaris minor Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau; S of town of Murrieta, on W side of Mesa de Burro., (Near 33 deg 31'N, 117 deg 14'W). 549 Comment
  POM13686B  Phlox austromontana E. C. Jaeger 1921-6-23 s.n. Riverside Palms to Pines trail. 1463 Comment
  UCR37464  Pholistoma auritum Steve Boyd 1981-4-8 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  RSA621538  Pholistoma membranaceum B. Pitzer 1998-3-7 3565 Riverside San Bernardino Mountains: Wildlands Conservancy s Mission Creek Preserve. 762 Comment
  UCR85177  Pholistoma membranaceum A. C. Sanders, P. J. MacKay, A. Knapp, C. L. Sanders, et al. 1995-2-19 15935 Riverside San Bernardino Mountains/Coachella Valley, Mission Canyon, along Mission Creek Rd. 1.75 mi. above Hwy 62 600 Comment
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Oct 25 2011
  UCD102028  Phoradendron bolleanum Steve Boyd 1985-12-14 1193 Riverside Gavilan Hills, Harford Springs County Park. Comment
  UC6076  Phoradendron californicum J. Burtt Davy 1893-3-14 45 Riverside Indio Comment
  UC68680  Phoradendron californicum H. M. Hall May, 1905 6014 Riverside Colorado Desert, Cottonwood Springs 670 Comment
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Oct 9 2010
  POM161532  Phoradendron libocedri Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain. Comment
  RSA500092  Phoradendron macrophyllum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3218 Riverside Vail Lake Area, at N end of Kolb Creek, near campground. 457 Comment
  RSA604716  Phoradendron macrophyllum Louis C. Wheeler 1961-10-8 7931 Riverside Temescal Valley: First big wash E of avocado mesa E of Wright Ranch. Comment
  POM48370  Phoradendron pauciflorum Philip A. Munz, I. M. Johnston 1924-7-27 8780 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  JEPS70616  Phragmites australis W. L. Jepson 1914-5-22 6044 Riverside ne Edom (cave in Thousand Palms Canyon); Colorado Desert, Thousand Palms Canyon Comment
  UCR5868  Physalis acutifolia O. F. Clarke 1966-10-2 661002- 12 Riverside Riverside, residential garden of O.F. Clarke, 1012 Spruce Street [now the site of an apartment complex, 2001] 305 Comment
  RSA423188  Physalis crassifolia Anstruther Davidson s.n. Riverside Palm Springs. Comment
  RSA423824  Physalis crassifolia Robert M. Perkins 1937-3-15 s.n. Riverside 20 miles East of Indio. Comment
  RSA543165  Physalis crassifolia Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6095 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  RSA79897  Physalis crassifolia F. W. Peirson 1922-4-8 1088 Riverside between Whitewater and Palm Springs. Comment
  UC26187  Physalis crassifolia S. B. Parish Apr 4 1896-Apr 13 1896 4131 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of San Jacinto Mt) 152 Comment
  UCR102739  Physalis crassifolia B. G. Pitzer 1998-2-1 3435 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR242119  Physalis crassifolia Jim Andre 2011-2-9 15923 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR85249  Physalis crassifolia A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, et al. 1995-3-5 15989 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
  RSA0065367  Physalis crassifolia David B. Dunn 1947-7-12 2980 Riverside Indio Hills in Pushawalla Canyon. Comment
  RSA423910  Physalis crassifolia var. crassifolia Christopher Davidson 1980-4-4 7676 Riverside Orocopia Mts. Lower end of Box Canyon on Box Canyon Rd.; 4.4 mi. E of Mecca. 213 Comment
  OBI12762  Pickeringia montana var. montana H. E. McMinn 1937-3-6 5008 Riverside 1 mi E of Blythe Comment
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Jan 14 2016
  RSA357172  Pilularia americana R. F. Thorne, Earl Lathrop 1975-5-25 45545 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  CLARK-A1528-3547  Pinus coulteri John C. Roos 1948-6-19 3884 Riverside San Jacinto Mountains 1981 Comment
  SEINET8060794 Image available Pinus coulteri G. Yatskievych, K. McCrary 1984-7-29 84 -122 Riverside Riverside County; State Route 243, 0.5 miles S of Baby Tree Spring 1585 Comment
  SD28103  Pinus flexilis Carl B. Wolf 1932-8-5 Riverside San Jacinto Mountains, slopes of San Jacinto Peak along trail above Round Valley 2925 Comment
  UCR240645  Pinus jeffreyi Tracy Tennant, Mitch Provance 1998-6-16 MOR- 438 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  UC1600404  Pinus lambertiana H. M. Hall 1901-1-1 2614 Riverside Tauquitz Peak San Jacinto Mts., Tauquitz Peak Comment
  CAS-BOT-BC78895  Pinus monophylla John Thomas Howell 1960-3-24 35150 A Riverside Pinyon Flat, [Palms-to-Pines] Palms to Pines Highway, San Jacinto Mts. Comment
  RSA650356  Pinus monophylla Nancy Gould 1977-1-22 40 Riverside On Hwy 74 across from sheep overlook. Comment
  RSA660599  Pinus monophylla L. Merrill 1999-8-27 s.n. Riverside Cactus Springs Trailhead, Santa Rosa Mtns. Comment
  CAS-BOT-BC72841  Pinus quadrifolia Ellsworth Bethel 1918-5-11 s.n. Riverside 35 mi. E of San Jacinto, Nigger Jim Hill Comment
  CLARK-A1528-3562  Pinus quadrifolia John C. Roos 1965-8-18 Riverside San Jacinto Mountains Comment
  RSA221042  Piperia cooperi E. W. Lathrop 1966-5-8 6479 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA282946  Piptatherum miliaceum C. W. Tilforth 1980-3-30 1933 Riverside East fence line of Swan Lake Mobile Home Park, north of Norco, Mira Loma Comment
  UCR130264  Pistia stratiotes Robert Noll 2003-10-7 s.n. Riverside Sonoran (Colorado) Desert, Salton Sink, north end of the Salton Sea, along Johnson St. -70 Comment
  UCR155155  Plagiobothrys acanthocarpus A. C. Sanders, Kelly Volansky 2005-3-17 29201 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
  UCR51353  Plagiobothrys canescens L. F. LaPre, Jack Easton 1988-1-21 s.n. Riverside Gavilan Plateau, Steele Peak., Section 9 Comment
  UCR107716  Plagiobothrys collinus A. C. Sanders 1997-3-1 19743 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  POM368962  Plagiobothrys collinus var. californicus Ora M. Clark 1929-3-2 1605 Riverside Near Alberhill. Comment
  UC1608031  Plagiobothrys jonesii A. C. Sanders with E. J. Lawlor 1992-4-4 12143 Riverside within 1/2 mi McCoy Spring (alluvial slopes below and to s, and canyon bottom above the spring); Colorado Desert, McCoy Mountains 243 Comment
  UC219099  Plagiobothrys leptocladus P. A. Munz and I. M. Johnston 1922-5-19 5369 Riverside Menifee Valley Comment
  RSA85110  Plagiobothrys tenellus J. C. Roos 1952-4-29 5594 Riverside Reche Canyon 457 Comment
  UC72057  Plagiobothrys tenellus Miss M. A. King 1893-1 Riverside Menifee Comment
  HSC78732  Plagiobothrys undulatus A. C. Sanders, T. Glenn 1983-4-17 3729 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  UCR19085  Plantago erecta John C. Roos 1952-4-2 5461 Riverside Box Springs Mtns, Box Springs grade east of Riverside. 427 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
  UC69215  Plantago ovata E. E. Schellenger Apr 1905 Riverside Santa Maria Mts. Colorado Desert Comment
  RSA68989  Plantago ovata var. fastigiata F. W. Peirson 1914-04 s.n. Riverside Whitewater at head of Coachella Valley. Comment
  RSA401990B  Plantago patagonica N. C. Cooper 1944-4-21 1138 Riverside Banning. 701 Comment
  RSA586874  Plantago patagonica D. L. Banks, S. D. Boyd 1995-5-3 293 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR199718  Plantago patagonica Scott D. White 2008-4-28 11915 Riverside San Gorgonio Pass, Banning, south of Hwy I-10 and just north of San Jacinto Mountains toe slope. East of Sunset Avenue 701 Comment
  UCR3586  Platanthera dilatata var. leucostachys Frank C. Vasek 1964-7-25 640725- 02 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  UC489274  Platanthera leucostachys C. V. Meyer 1928-7-24 517 Riverside Idyllwild Falls San Jacinto Mts., Idyllwild Falls 1920 Comment
  RSA604604  Platanus racemosa Louis C. Wheeler 1961-10-8 7930 Riverside Temescal Valley: First big wash E of avocado mesa E of Wright Ranch. Comment
  SD229212  Platanus racemosa Dick Schwenkmeyer 2012-10-16 935 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  LA206292  Platystemon californicus K. Watkins; Elizabeth McClintock 1937-4-9 sn Riverside Hemet road near Winchester turnoff Comment
  RSA307777  Platystemon californicus Henry J. Ramsey, Henry J. Ramsey 1938-11-26 2554 Riverside Corona-Elsinore Road. Comment
  CAS-BOT-BC326542  Pluchea sericea Alice Eastwood 1913-4-30 3103 Riverside Palm Springs Comment
  UCR173156  Pluchea sericea Abby Sirulnik 2000-4-15 08 Riverside Sonoran (Colorado) Desert; Imperial Valley, Near Mecca, along Calif. Hwy 195, c. 1 mi west of intersection with Calif. Hwy 111 58 Comment
  RSA752876  Poa pratensis Orlando Mistretta 2009-7-10 4001 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
  UCR20958  Poa pratensis A. C. Sanders 1978-7-5 895 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  SD146083  Poa pratensis subsp. pratensis G. K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5018 Riverside Northern Sierra Nevada Range; N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CAS-BOT-BC237698  Poa secunda Elizabeth A. Kellogg; Elizabeth L. Taylor 1980-5-21 310 Riverside Near Observation Point on Highway 74 701 Comment
  RSA341984  Poa secunda R. F. Thorne 1980-4-16 54082 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  UCR113047  Poa secunda Mitch Provance, Seychelle Provance 1998-3-3 136 Riverside Riverside, top of North Hill, along the S edge of Lake Evans 960 Comment
  UCR19665  Poa secunda John C. Roos 1950-2-25 4710 Riverside Pass between Reche Canyon and Pigeon Pass Road 457 Comment
  RSA770438  Poa secunda subsp. secunda Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4570 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR138891  Poa secunda subsp. secunda D. L. Banks 1997-4-5 1673 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UCR38689  Polanisia dodecandra subsp. trachysperma J. M. Stewart 1985-7-9 8524 Riverside Sonoran (Colorado) Desert, Living Desert (nursery), 47900 Portola Ave., Palm Desert. 122 Comment
  JOTR37490  Polygala acanthoclada Hodges, Stephen R. 2016-5-1 619 Riverside Joshua Tree National Park. Cottonwood Mountains, to the north east of the Cottonwood visitor center Comment
  UCR59782  Polygonum lapathifolium Jeri Hirshberg 1989-7-18 s.n. Riverside Lake Skinner: stock pond below treatment plant and dam 427 Comment
  UCR93206  Polygonum lapathifolium Scott D. White 1995-7-7 3453 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  SBBG61494  Polygonum sawatchense R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2438 Comment
  IRVC171  Polystichum imbricans subsp. curtum M. Cadnum 1965-4-24 HS 553 Riverside Highway 74; 1 mile WSW of Mountain Center. Peninsular Ranges, San Jacinto Mountains Comment
  CAS-BOT-BC102608  Populus fremontii Ira L. Wiggins 1937-2-19 8573 Riverside Roadside 2.5 miles north of Ripley Comment
  POM360757  Populus fremontii Ora M. Clark 1929-3-2 1614 Riverside Near Elsinore. Comment
  CDA3370  Portulaca oleracea T. B. Salvato, A. C. Sanders 2005-5-17 890 Riverside San Jacinto Mtn foothills; San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. Comment
  UCR37485  Potamogeton crispus Steve Boyd 1981-1-9 s.n. Riverside Peninsular Range, Gavilan Hills, narrows in central Dawson Cyn. 488 Comment
  POM12677  Potamogeton diversifolius Philip A. Munz 1922-9-6 6380 Riverside Hidden Lake 2439 Comment
  RSA776701  Potamogeton diversifolius Steve Boyd, Gary Wallace 2005-7-30 11642 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  CAS-BOT-BC267206  Potamogeton foliosus Lathrop; Thorne 1967-9-26 6622 Riverside 6 miles NW of Murrieta Comment
  UCR119563  Potamogeton pectinatus L. C. Wheeler 1953-3-30 7034 Riverside Sonoran (Colorado) Desert, Alligator Slough on the Colorado River Comment
  UCSC000938  Potentilla glandulosa Peter Kamb 1947-5-17 522 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  UC70339  Potentilla gracilis Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  UC415580 Image available Potentilla gracilis var. fastigiata H. E. Hasse 1892-7-1 5696 Riverside Strawberry Valley; ; Strawberry Valley, San Diego Co. [formerly] Comment
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Dec 11 2006
  UC1746640  Potentilla norvegica T. Schram and D. Wappler 1994-7-14 Riverside Lake Hemet San Jacinto Mountains Comment
  POM299275  Prenanthella exigua Louise Kellogg 1941-5-23 2221 Riverside 3.5 miles NE of cottonwood Spring, Eagle Mtns. 1067 Comment
  CAS-BOT-BC206983  Prosopis glandulosa var. torreyana F. P. Cronemiller 1927-5-11 3016 Riverside Oak Park R.S., Cleveland Forest 762 Comment
  RSA11597  Prosopis glandulosa var. torreyana C. Epling, Wm. Robison 1933-6-24 s.n. Riverside San Gorgonio Wash Comment
  SBBG3764  Prosopis pubescens H. and M. Dearing 1936-12-25 814 Riverside 1000 Palms Comment
  UCR39192  Prunus fasciculata M. L. Rosczyk, G. K. Helmkamp 1985-4-4 204 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, Big Morongo Preserve, south of Morongo Valley, at the west side of the main canyon c. 0.5 miles north of Indian Ave. 503 Comment
  JOTR34484  Prunus fasciculata var. fasciculata Andre, Jim 2012-4-16 20967 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  CAS-BOT-BC151121  Prunus fremontii W. R. Dudley 1903-12-25 s.n. Riverside Tahquitz Canyon Comment
  CAS-BOT-BC151124  Prunus fremontii Milo S. Baker 1928-4-4 2799 a Riverside Tahquitz Canyon Comment
  RSA453236  Prunus fremontii Robert Gustafson, Gary D. Wallace 1982-5-19 2565 Riverside Pines to Palms Hwy. (Hwy. 74), between 7-level Hill and Black Hill. Comment
  SEINET3077290 Image available Prunus fremontii John Adams 1966-2-3 385 Riverside San Jacinto Mountains, 3 mi elow Pinyon Flats. 1067 Comment
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Aug 3 2013
  UCR20437  Prunus fremontii John C. Roos, L. Roos 1953-3-21 5908 Riverside Sonoran (Colorado) Desert, Mouth of Andreas Canyon south of Palm Springs 274 Comment
  SD27951  Psathyrotes ramosissima Carl B. Wolf 1932-4-26 2972 Riverside 5.0 miles east of Mecca, on Blythe Road. 99 Comment
  SD234306  Pseudognaphalium beneolens R. E. Riefner Jr. 2006-9-14 06 432 Riverside Peninsular Range: Temecula, Temecula Valley, Hwy 79 at Old Town Front Rd. 305 Comment
  RSA180326  Pseudognaphalium biolettii E. W. Lathrop 1965-4-4 5620 Riverside 8 miles west of Murrieta Comment
  RSA463259  Pseudognaphalium biolettii Steve Myers 1988-2-1 s.n. Riverside Boulder Springs development, immediately SE of intersection of Hwy 60 and Nason St, Moreno Valley. 518 Comment
  RSA586144  Pseudognaphalium biolettii D. L. Banks, S. D. Boyd 1995-3-16 0106 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 610 Comment
  SEINET3082602 Image available Pseudognaphalium biolettii D. Gordon 1952-4-17 Riverside Weeds of Southern California, U. C. Riverside. UCR campus. Comment
  UCR48497  Pseudognaphalium biolettii Steve Boyd 1985-12-25 1197 Riverside Peninsular Range, Gavilan Hills; W side of Steele Valley in SCE Transmission Line Corridor 762 Comment
  UC1979532  Pseudognaphalium californicum Darin L. Banks, Steve Boyd 1995-4-5 158 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail, in the N flowing drainage that empties into Arroyo Seco. Comment
  JOTR30279  Pseudognaphalium luteoalbum La Doux, Tasha, Alice Miller 2007-5-31 1777 Riverside Joshua Tree National Park. Stop 2: Cottonwood Springs/Oasis; in wet soil at oasis. 893 Comment
  RSA596145  Pseudognaphalium luteoalbum D. L. Banks 1996-11-7 1193 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 472 Comment
  SEINET10914958  Pseudognaphalium microcephalum David B. Dunn 1947-10-9 Dunn 3522 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  SD20348  Pseudotsuga macrocarpa Carl Epling Apr 1937 Riverside San Jacinto Mountains, above Herkey Creek Camp Comment
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Jun 24 2009
  UC813370  Pseudotsuga macrocarpa C. Epling 1937-4-1 Riverside above Herkey Creek Camp; San Jacinto Mt. Comment
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Jun 24 2009
  UCR169369  Pseudotsuga macrocarpa June Latting 1972-5-3 s.n. Riverside San Jacinto Mtns, 1 mile east of Keen Summit, 2.5 miles east of Mountain Center (junction of Calif. Hwy 74 and Calif. Hwy 243), a short distance east of Pasadena YMCA camp on the south side of Calif. Hwy 74 1402 Comment
  RSA192184  Psilocarphus brevissimus E. W. Lathrop 1966-5-1 6244 Riverside 2 miles west of Murrieta Comment
  UCR266339  Psilocarphus brevissimus D. E. Bramlet 1993-5-8 2342 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit, east of Davis Rd. and north of old San Jacinto River channel 433 Comment
  UCR85640  Psilocarphus brevissimus A. C. Sanders 1993-4-5 13687 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  CAS-BOT-BC361788  Psilocarphus brevissimus var. brevissimus D. E. Bramlet 1991-5-7 2123 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  RSA593908  Psilocarphus brevissimus var. brevissimus Steve Boyd, David E. Bramlet 1996-4-19 8600 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
  UCR114955  Psilocarphus brevissimus var. brevissimus Fred M. Roberts 1992-4-25 4867 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  CAS-BOT-BC346353  Psorothamnus L. R. Abrams 1926-3-26 11103 Riverside between Edom and Garnet east of San Gorgonis Pass Comment
  CAS-BOT-BC346355  Psorothamnus W. R. Dudley 1903-12-28 s.n. Riverside Palm Springs Station Comment
  UC218162  Psorothamnus arborescens var. simplicifolius P. A. Munz and I. M. Johnston 1922-5-6 5167 Riverside Dry Morongo Wash; Colorado Desert 304 Comment
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Aug 18 2010
  UC863834  Psorothamnus arborescens var. simplicifolius Lewis S. Rose 1938-12-18 38322 Riverside Palms Springs Palm Springs (Sanby desert [sic]) 137 Comment
  CAS-BOT-BC353628  Psorothamnus emoryi Roxana S. Ferris 1918-6-15 998 Riverside at Greundikes Well on Mecca-Blythe Road Comment
  UCR104000  Psorothamnus emoryi George K. Helmkamp 1998-4-4 3138 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCSB3042  Psorothamnus emoryi Graney, Don 1953-3-21 Riverside 11 miles east of Indio-Colorado Desert Comment
  CAS-BOT-BC340905  Psorothamnus schottii Street; Munz 1919-5-7 2749 Riverside Palm Springs 182 Comment
  RSA404246  Psorothamnus schottii Anstruther Davidson 1895-4-10 s.n. Riverside Palm Springs. Comment
  RSA518303  Psorothamnus schottii A. C. Sanders 1989-9-19 9506 Riverside 1.75 km S of Tabaseca Tank, along the wash of Tabaseca Target 680 Comment
  UC667244  Psorothamnus schottii Annie M. Alexander and Louise Kellogg 1941-5-17 2193 Riverside near Dos Palmas (Colorado Desert); , near Dos Palmas Comment
  UCD108361  Psorothamnus schottii P. C. Everett; E. K. Balls 1958-4-29 22957 Riverside Hwy. 60/70, Indio to Blythe, 5 mi. e. of jct. with Hwy. 99. 121 Comment
  POM295543  Psorothamnus schottii Lyman D. Benson 1979-3-28 13575 Riverside Was at E end of PInes to Palms Hwy just above junction of palm springs- indio road. 305 Comment
  RSA575916  Pteridium aquilinum var. pubescens Steve Boyd 1994-10-14 8376 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon, Fisherman's Camp. 341 Comment
  POM10468  Pterostegia drymarioides Charlotte M. Wilder 1904-4-18 204 Riverside Wilder's Canyon. Comment
  RSA180371  Pterostegia drymarioides E. W. Lathrop 1960-6-8 4927 Riverside 14 miles west of Murrieta. Comment
  SD136779  Pterostegia drymarioides Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7326 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 366 Comment
  SD232312  Pterostegia drymarioides Michael Wall 2003-4-15 266 Riverside Peninsular Ranges; San Jacinto Mountains region: Lamb Canyon west of Beaumont off Hwy. 79, 5.2 miles south Jct. with 10 Fwy, up dirt road at turnout along west side of Hwy. 601 Comment
  UC6927  Pterostegia drymarioides Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCD100915  Pterostegia drymarioides Steve Boyd 1986-3-1 1358 Riverside Gavilan Plateau, Gavilan Hills. 1/4 mile south of Harford Springs County Park. 640 Comment
  UCD170872  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  UCR266599  Quercus Mitch Provance 2009-9-10 17427 Riverside San Bernardino Mountains, Banning, beneath SCE lines, about 0.95 mi N of the intersection of Florian St. and W Gilman 909 Comment
  UCR278376  Quercus Mitch Provance 2012-9-5 912- 09 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 755 Comment
  UCSB41270  Quercus X acutidens Cowan, Clark 1978-4-25 Riverside 6.7 mi (10.7 km) SW on 74 from jct w/ 71, 4.6 mi (7.3 km) from Lake Elsinore, Sta. Ana Mts. Cleveland Nat. Forest; Whittaker transect #W-229 Comment
  RSA477085  Quercus agrifolia Mark Morris 1929-3-17 14899 Riverside Palm Canyon. Comment
  SDSU13621  Quercus agrifolia var. agrifolia W. Miller with C. Mosse 1972-7-20 Riverside Comment
  RSA713388  Quercus agrifolia var. oxyadenia R. E. Riefner Jr., A. C. Sanders 2005-8-12 5 -605 Riverside Poppet Flat, tributary to Poppet Creek on Poppet Flat Rd. 1086 Comment
  UCR158954  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31548 Riverside San Jacinto Mtns., east of Vandeventer Flat along Hwy 74, 0.8 mi. west of Santa Rosa Mtn. Rd. 1311 Comment
  RSA162  Quercus berberidifolia J. T. Howell 1927-8-2 576 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  RSA519253  Quercus berberidifolia Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  SD229166  Quercus berberidifolia Dick Schwenkmeyer 2012-3-26 658 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UCD45468  Quercus chrysolepis Prof. Metcalf 1919-7-1 Riverside San Jacinto Mts, Riverside County, California. Comment
  UCR68868  Quercus chrysolepis Steve Boyd, T. S. Ross 1990-5-11 4694 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  CAS-BOT-BC104313  Quercus palmeri E. K. Balls; P. C. Everett 1952-11-18 18257 Riverside by entrance to Santa Rosa Indian reservation, Vandeventer Flats 1402 Comment
  SD229179  Quercus palmeri Dick Schwenkmeyer 2012-3-26 663 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UCSB1229  Quercus palmeri Haller, John 1960-5-15 Riverside Vandeventer Flat, 3.3 mi. E of the junc. of the road to Anza on Calif. 74 1371 Comment
  UCR100577  Quercus wislizeni A. C. Sanders, T. Tennant 1997-11-14 21597 Riverside San Bernardino Mtns., Morongo Indian Reservation, W end of Burro Flats 1159 Comment
  UC1135917  Quercus wislizeni var. frutescens A. Lewis Mar 1934 370 Riverside Mojeska Peak Cleveland National Forest, Corona Quad. 1219 Comment
  RSA0028773  Quercus wislizeni var. frutescens R. E. Riefner Jr. 2006-10-11 6 -530 Riverside E of Rainbow Canyon, N of Rainbow Heights, Termite's Hike Trail. 595 Comment
  RSA608220  Rafinesquia californica R. S. Woglum 1941-5-17 3058 Riverside Peninsular Ranges / Sonora Desert transition: Horse Canyon off Coyote Canyon. Comment
  UCR178144  Rafinesquia californica Mitch Provance, Tracy Tennant 1998-6-16 MOR- 391 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  CAS-BOT-BC362628  Rafinesquia neomexicana Cecil Hart 1926-3-9 s.n. Riverside Between Indio & Whitewater Comment
  SD45166  Rafinesquia neomexicana Helen K. Sharsmith 1952-4-10 4059 Riverside Joshua Tree National Monument, 5 miles northeast of Cottonwood Springs Smoke Tree Wash 854 Comment
  UCR116603  Rafinesquia neomexicana A. C. Sanders 2001-3-20 23842 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
  RSA199169  Ranunculus aquatilis var. capillaceus Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37457 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  SEINET7063426  Ranunculus californicus A. G. Vestal 1947-3-30 s.n. Riverside West of Cahuilla Valley on Route 371. UTM Zone 11, 519809mE, 3708775mN. (WGS84/NAD83). 1045 Comment
  POM296  Ranunculus cymbalaria var. saximontanus I. M. Johnston 1917-6-9 1219 Riverside Santa Ana River near Corona Comment
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Nov 20 2011
  UC1608231  Ranunculus hebecarpus Steve Boyd, Tim Ross, and Orlando Mistretta 1992-3-31 6759 Riverside Tenaja Trail from jct with Morgan Tr. s to Pigeon Spring area; Santa Ana Mountains, San Mateo Cyn. Wilderness Area 670 Comment
  CLARK-A1528-361  Raphanus sativus Fred B. Essig 1966-5-21 Riverside Santa Ana River Comment
  UCR193307  Rhamnus californica subsp. tomentella A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35603 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1562 Comment
  UCR112310  Rhamnus crocea A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23448 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  CAS-BOT-BC56042  Rhamnus ilicifolia A. C. Sanders 1995-11-26 17909 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371 1188 Comment
  RSA518505  Rhamnus ilicifolia Chet McGaugh 1990-8-8 s.n. Riverside SW Dursano Valley, S of town of Anza. 1372 Comment
  POM320387  Rhododendron occidentale Anonymous 1968-11-3 s.n. Riverside Fulmor Lake, San Jacinto Mountains Comment
  RSA257006  Rhododendron occidentale var. californicum Gary D. Wallace, D. H. Wilken 1966-7-3 656 Riverside Just east of Idyllwild. Comment
  RSA696479  Rhus ovata Kenneth Beard 1934-04 s.n. Riverside Mtns. along Ortega Hwy. N. of San Juan hot Springs Comment
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Oct 31 2011
  SD229051  Rhus ovata Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 644 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  SDSU2179  Rhus ovata James C. Dice, Ruth Miller 1987-11-23 755 Riverside Temecula Gorge, south side of aqueduct crossing. T8S, R3W, SE 1/4 of NE 1/4 of Section 27. 259 Comment
  UCR34999  Rhus ovata L. B. Ziegler 1974-4-2 522 Riverside San Jacinto Mountains, foothills of the San Jacinto Mountains, hillside slopes of lower Bautista Canyon 612 Comment
  RSA628255  Ribes A. C. Sanders 1994-1-30 14227 Riverside Box Springs Mts. at the head of Two Trees Canyon. Comment
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Feb 16 2013
  CAS-BOT-BC93062  Ribes californicum var. hesperium B. D. Stark 1930-2-21 1470 Riverside Hidden Canyon near Corona. Santa Ana Mountains. Comment
  CAS-BOT-BC168948  Ribes malvaceum Carl B. Wolf 1932-2-11 2651 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. west of Corona, base of Skyline Drive 405 Comment
  UCR262567  Ribes malvaceum T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3754 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
  UC729694 Image available Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 2651 Riverside 5 mi w Corona (base of Skyline Drive); Santa Ana Mts., Hidden Canyon 405 Comment
  SDSU5987  Ribes nevadense Gerald Collier 1951-5-27 M 221 Riverside At Hurkey Creek Campground 22 miles east of Hemet. San Jacinto Mountains. San Bernardino National Forest. Comment
  RSA161278  Ribes roezlii Peter H. Raven 1962-5-18 17758 Riverside Junction [of] Main Divide Truck Trail with Ortega Highway, Santa Ana Mountains. 701 Comment
  UC1127543  Ribes roezlii R. St. John 1929-5-21 28 Riverside Keen Camp San Jacinto Quadrangle 1219 Comment
  SDSU12269  Rorippa nasturtium-aquaticum Jeremy Mass, Ryan Jacobsen 2000-4-19 18 Riverside Growing in Stone Creek near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 251 Comment
  SDSU17733  Rorippa nasturtium-aquaticum D. C. Estrella, M. G. Simpson 2002-4-20 28 Riverside Shallow, acquatic pool. Santa Margarita Ecological Preserve. 229 Comment
  UCR16767  Rosa californica W. C. Anderson 1967-8-15 s.n. Riverside San Jacinto Mtns., Fuller Mill Creek Camp, 6 miles north of Idyllwild off Banning-Idyllwild Road 1585 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
  UCR269891  Rumex A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-8 41580 Riverside Peninsular Range; Elsinore Trough, City of Lake Elsinore, Pasadena St. near intersection with dirt extension of Hunco Way 387 Comment
  UCR201679  Rumex acetosella Scott D. White, Justin M. Wood 2008-5-15 11989 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  CLARK-A1528-3797  Rumex californicus John C. Roos 1952-5-26 5719 Riverside Reche Canyon 457 Comment
  CAS-BOT-BC433960  Rumex salicifolius Steve Boyd 1992-4-15 6874 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek. 487 Comment
  UCR182532  Rumex salicifolius var. denticulatus Mitch Provance 2005-5-17 6578 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
  RSA90061  Rumex salicifolius var. denticulatus E. K. Balls, Percy C. Everett 1953-8-19 18546 Riverside Red Fir Forest; Santa Rosa Spring 2134 Comment
  IRVC27457  Rumex violascens A. C. Sanders, K. C. Rose 1999-6-18 22829 Riverside upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester Domenigoni Valley 433 Comment
  JEPS65654  Rupertia rigida Marjorie D. Clary 1932-7-4 993 Riverside road to Burnt Valley (Santa Rosa Mountains); Santa Rosa Mountains 1371 Comment
  RSA477742  Sagina saginoides E. C. Jaeger 1922-7-6 s.n. Riverside Long Valley. Comment
  CAS-BOT-BC500429  Salazaria mexicana A. C. Sanders; Jim Malusa 2015-3-11 41410 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, side canyon draining from the NE into large canyon contaiing the Gasline Rd, c. 2.5 mi N of the Imperial Co. line, US Navy Chocolate Mts Aerial Gunnery Range 610 Comment
  POM13991  Salazaria mexicana P. A. Munz 1922-4-9 4885 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  CAS-BOT-BC103901  Salix exigua F. R. Fosberg 1932-3-13 8083 Riverside Thousand Palms Can., Coachella Valley Comment
  CAS-BOT-BC103904  Salix exigua Frank W. Peirson 1933-4-15 10650 Riverside Whitewater River, 4 1/2 miles above the bridge 701 Comment
  UCR101456  Salix exigua A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22224 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  SD1014  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside East side of the bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 239 Comment
  UC494348  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside 4.8 km. n Arlington (w of Riverside, rd. to Pedley, e side of bridge over Santa Ana River, either side of rd.) 240 Comment
  UC846449  Salix exigua var. hindsiana P. A. Munz and I. M. Johnston 1922-5-7 5270 Riverside Keyes Ranch along small stream Keyes Ranch; Little San Bernardino Mts. 1066 Comment
  LA208656  Salix gooddingii Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  RSA615395  Salix gooddingii A. C. Sanders 1997-3-19 20037 Riverside Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn. 445 Comment
  RSA710825  Salix gooddingii A. C. Sanders 2005-5-4 29837 Riverside Gavilan Hills near Riverside: ca. 1 km east and southeast of Gavilan Peak 625 Comment
  RSA613315  Salix laevigata D. L. Banks 1997-3-1 1380 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  UCR139630  Salix laevigata A. C. Sanders 2004-6-30 28399 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
  UCR231752  Salix laevigata John F. Green 2008-4-21 02- 08 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  HSC79770  Salix lasiandra var. lasiandra James Henrickson 1973-3-18 8617 Riverside 37 mi. E of Temecula on Coyote Canyon Trail, SE of Terwilliger, 3 mi. N of San Diego Co. line 701 Comment
  RSA495463  Salix lasiolepis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2992 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA715298  Salix lasiolepis A. C. Sanders, T. B. Salvato 2006-5-28 32666 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
  UCR132419  Salix lasiolepis A. C. Sanders 2004-2-6 27381 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, canyon along north side of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  UCR139633  Salix lasiolepis A. C. Sanders 2004-6-30 28402 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
  UCR116415  Saltugilia australis S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  UCR251305  Saltugilia australis T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7430 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  RSA679948  Saltugilia splendens subsp. splendens LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1115 Riverside Black Moutain Road (4501), southeast of Black Mountain and northwest of Fuller Mill Creek. 2012 Comment
  POM78751  Salvia apiana Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA411319  Salvia apiana Gale Sphon 1955-5-7 s.n. Riverside 3 miles W of Lake Elsinore. Comment
  UCR145825  Salvia apiana June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR252227  Salvia apiana Marissa Manahan 2011-5-13 s.n. Riverside Riverside, Andulka Park, Tequesquite Arroyo at Chicago Ave. 277 Comment
  SDSU13958  Salvia clevelandii Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2145 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of wet meadow (El Valle complex). 646 Comment
  POM48143  Salvia columbariae E. Schlinger 1920-04 s.n. Riverside Chuckwalla, Colorado Desert. Comment
  UCR101586  Salvia columbariae 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
  UCR135719  Salvia columbariae Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9000 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  UCLA69708  Salvia eremostachya C. Epling and Mrs. Epling 1937-6-6 Riverside 0.6 mi below Shumway (Palms to Pines Hwy) Comment
  RSA0116962  Salvia eremostachya Donald Myrick 1968-3-4 1809 Riverside On Palms to Pines Hwy out of Palm Desert. 762 Comment
  CAS-BOT-BC229982  Salvia mellifera D. A. Johansen; J. A. Ewan 1932-4-10 7050 Riverside Cabezon, San Gorgonio Pass 487 Comment
  CSUSB1051  Salvia mellifera Carole Sims 1965-3-14 Riverside Ten yards from edge of highway, seven miles north of Temecula on road to Perris via Romoland. 335 Comment
  UCR138652  Salvia mellifera D. L. Banks 1997-4-5 1663 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  SD4332  Salvia pachyphylla subsp. pachyphylla Mrs. M. F. Spencer Riverside Colorado Desert, Near Palm Springs (mak 7/07) Comment
  RSA132549  Sambucus mexicana Donald A. Johansen 1933-7-14 714 Riverside Along road from Cherry Valley to Mesa Mira. 1372 Comment
  CAS-BOT-BC238860  Sambucus nigra subsp. caerulea Carl B. Wolf 1932-8-6 3991 Riverside San Jacinto Mts. Strawberry Valley. Base of Devil's Slide Trail to Tahquitz Valley 1706 Comment
  CLARK-A1045-191  Sanicula crassicaulis George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains Southern Oak Woodland; Wildomar 7.5'Q Comment
  RSA343867  Sanicula crassicaulis R. F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60659 Riverside Santa Rosa Plateau: at edge of Cleveland National forest 610 Comment
  UCR160690  Sanicula crassicaulis John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  CLARK-A1045-125  Sarcostemma hirtellum George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  CLARK-A1528-1469  Sarcostemma hirtellum John C. Roos 1937-4-18 Riverside Colorado Desert Comment
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Mar 3 2014
  JOTR16553  Sarcostemma hirtellum Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  JOTR29559  Sarcostemma hirtellum Andre, Jim, Tasha LaDoux 2006-4-11 6733 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  UCR218473  Sarcostemma hirtellum Jim Andre, T. La Doux 2009-3-10 11250 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
  UCR52212  Sarcostemma hirtellum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2099 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  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
  RSA784781  Schismus arabicus Duncan S. Bell 2012-3-18 3185 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
  CAS-BOT-BC243460  Schismus barbatus H. S. Yates 1937-3-23 6415 Riverside Near White Water 304 Comment
  RSA776379  Schismus barbatus Amber Swanson 2011-4-8 376 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  SD247293  Schismus barbatus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41445 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 (White Water 7.5'Q) 433 Comment
  SEINET229451 Image available Schismus barbatus L. M. Shultz, JS Shultz 1985-4-17 8317 Riverside Chuckawalla Valley depression along Wiley's well road 122 Comment
  UCR214138  Schismus barbatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37718 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  RSA658236  Schismus barbatus A. Sleigh, A. Haimov 1992-5-19 119 Riverside 40 meters east of Davis Road, 1.5 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  POM184659  Schoenoplectus americanus L. C. Wheeler 1932-9-4 1336 Riverside Santa Ana River at Chino Creek. 183 Comment
  UC887498  Scrophularia californica subsp. floribunda I. W. Clokey, C. B. Clokey, and B Tampleton 1930-4-15 4635 Riverside Gavilan Peak 540 Comment
  UCR121248  Scrophularia californica subsp. floribunda Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2267 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR193486  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35606 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, mouth of nameless tributary NW of Herkey Crk., just north of Bonita Vista Rd. 1543 Comment
  UCR193913  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Mitch Provance 2008-7-11 35811 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UCR35329  Scutellaria bolanderi subsp. austromontana L. B. Ziegler 1967-8-1 207 Riverside Peninsular Range; San Jacinto Mtns., Upper Herkey Creek area 1524 Comment
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Mar 18 2007
  RSA740624  Scutellaria siphocampyloides Scott D. White, Justin M. Wood 2008-7-8 12378 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  CLARK-A1528-3130  Scutellaria tuberosa John C. Roos 1950-3-18 4715 Riverside Comment
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Feb 27 2016
  RSA4389  Scutellaria tuberosa Dorothy R. Wolf 1932-5-20 33 Riverside Richman Ranch, 2.5 miles N of De Luz. 457 Comment
  RSA85942  Selaginella bigelovii Frank W. Peirson 1921-3-22 s.n. Riverside Murray Canyon, near Palm Springs 487 Comment
  SEINET7073445  Selaginella bigelovii A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  POM12435  Selaginella eremophila Philip A. Munz, D. D. Keck 1922-4-9 4865 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 762 Comment
  UCR34950  Senecio californicus L. B. Ziegler 1969-5-27 367 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  CAS-BOT-BC323971  Senecio flaccidus var. douglasii Annie M. Alexander; Louise Kellogg 1941-5-9 2142 Riverside Cottonwood Spring, Eagle Mountains. 883 Comment
  RSA543751  Senecio flaccidus var. douglasii Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6055 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR34949  Senecio flaccidus var. douglasii L. B. Ziegler 1964-8-20 041 Riverside San Jacinto Mtns, Garner (Hemet) Valley. 1372 Comment
  RSA676152  Senecio mohavensis Scott D. White 2001-4-3 8264 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR269865  Senecio mohavensis A. C. Sanders, Jim Malusa 2016-3-18 42360 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  RSA523870  Senecio vulgaris Gordon H. True 1935-4-1 199 Riverside Box Springs. 366 Comment
  UCR57995  Senna obtusifolia Les Ede 1989-8-19 s.n. Riverside Colorado River Valley/ Sonoran (Colorado) Desert, S of Blythe in the Palo Verde Valley, c. 1 mi. north of the Imperial County line 67 Comment
  RSA0031606  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009 -1 Riverside NW. San Jacinto Mtns., ne. of HW 243 ca. 16 highway km nw. of Idyllwild, in the s. unit of the San Bernardino National Forest, on sw. flank of Black Mtn. Just left (as ascending) of Black Mountain Trail on slope by large trunk lying across trail, at the, head of Hall Canyon. 2036 Comment
  CAS-BOT-BC438203  Sesuvium verrucosum Scott D. White; Steve Ogg 1994-10-17 2467 Riverside Temecula Valley. Murrieta Ck 1000 ft S of Winchester Rd. bridge (Banana Ave on USGS Murrieta quad, photorev. 1979). 310 Comment
  CDA23920  Sesuvium verrucosum T. C. Fuller 1959-4-8 2473 Riverside 5 miles south of Ripley. 0 Comment
  SBBG69834  Sesuvium verrucosum M. D. Clary 1930-5-4 1295 Riverside Salton Sea -60 Comment
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Nov 8 2011
  SEINET269472 Image available Sesuvium verrucosum Scott D. White, Steve Ogg 1994-1 2467 Riverside Murrieta Creek 1000 ft south of Winchester rosd bridge (Banana Avenue on USGS Murrieta Quad) 310 Comment
  SEINET3127006 Image available Sesuvium verrucosum A. C. Sanders, Richard Dwerlkotte 2010-3-22 37515 Riverside Sonoran (Colorado) Desert: Chuckwalla Valley, 2 mi. ESE (98 degrees) of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. (Sidewinder Well 7.5' Q.). 129 Comment
  RSA724104  Setaria adhaerens R. E. Riefner 2005-10-7 5 -723 Riverside City of Riverside, residential lots along Elderwood Ct. at Tequesquito Ave. 237 Comment
  CAS-BOT-BC243635  Setaria pumila Edward G. Wegenek 1970-8-24 952 Riverside Blythe area Comment
  UCD92731  Setaria pumila Fred M. Reed 1904-7-31 57 Riverside Santa Ana River above Salt Lake Bridge. Comment
  SEINET273044  Sidalcea malviflora A. C. Sanders 1997-4-3 20152 Riverside Lake Skinner area; near N foot of Black Mtn slopes S of Crown Valley. UTM 10km cell: MH-9E 2N. Domenigoni Valley 655 Comment
  UCR90493  Sidalcea malviflora F. M. Reed 1933-5-31 7818 Riverside San Jacinto Mtns., Vandeventer Flats 1433 Comment