Search Results — 2000 specimen records retrieved (1901 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  JEPS61243  Abronia villosa W. L. Jepson 1914-5-23 6051 Riverside Conchilla Desert, (Coachella Valley) 60 Comment
  RSA461033  Abronia villosa A. C. Life 1928-3-17 s.n. Riverside Colorado Desert, Painted Canyon. Comment
  RSA652381  Abronia villosa C. J. Humphrey, Herbert Humphrey 1936-6-8 76 Riverside Along roadside in desert 20 miles west of Indio Comment
  RSA714961  Abronia villosa Sarah J. De Groot, J. Mark Porter 2006-3-14 5203 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. Stabilized sand dunes. 351 Comment
  CSUSB1330  Abronia villosa var. aurita Jim Hearn 1971-5-19 Riverside 13 miles south of Idyllwild. Comment
  RSA776187  Abronia villosa var. aurita Amber Swanson, Duncan S. Bell 2011-3-10 204 Riverside Mecca Hills, E of Painted Cyn Rd 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
  UCR234257  Abronia villosa var. aurita A. C. Sanders 2012-4-12 40024 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 314 Comment
  UCR216206  Abronia villosa var. villosa Jim Andre, T. La Doux 2009-2-25 10833 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  OBI37474  Abutilon theophrasti Steve Boyd 1985-9-23 1189 Riverside Garden weed at Boyd residence, Good Hope Valley area, W of Perris Comment
  CDA33575  Acacia greggii Mike Lahti 2010-5-3 PDR# 1358701 Riverside Palm Desert off Hwy 74. Comment
  RSA796478  Acacia greggii Duncan S. Bell 2009-4-18 227 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
  JOTR16556  Acamptopappus sphaerocephalus var. sphaerocephalus Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  RSA263609  Acer macrophyllum E. W. Lathrop 1968-3-22 6917 Riverside Main Divide Truck, trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1220 Comment
Read comments
Apr 28 2011
  RSA696452  Acer macrophyllum Keith E. Hoffmaster 1934-4-8 138 Riverside Santa Ana Mts. Comment
  CAS-BOT-BC210592  Achnatherum coronatum H. M. Hall 1899-5-27 1167 Riverside San Jacinto Mountains. El Toro Mt., Coyote Canon [Canyon] 1584 Comment
  RSA263721  Achnatherum coronatum E. W. Lathrop 1966-5-26 6341 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  POM365987  Achnatherum hymenoides Bonnie C. Templeton 1931-4-9 s.n. Riverside N of Palm Springs Comment
  RSA0112108  Achyronychia cooperi Duncan S. Bell, Amanda Turek 2009-3-30 191 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA423489  Achyronychia cooperi N. C. Cooper 1949-4-8 3302 Riverside Desert Center. 609 Comment
  SEINET7048023  Achyronychia cooperi Steven R. Hill, Kate Kramer 2001-4-27 33492 Riverside North side of Route I-10, west side of Coachella Canal, about 0.1-0.2 mile north of interstate highway, 3 miles east of Indio. Elevation about 31 feet. Comment
  JOTR34270  Acmispon glaber var. brevialatus La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3286 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  UCD104137  Acmispon glaber var. brevialatus T. B. Salvato; Kent Beaman 2005-5-16 793 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
  RSA0120317  Acmispon maritimus var. brevivexillus Duncan S. Bell, Thomas Stoughton 2016-3-16 8954 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  UCR279414  Acmispon maritimus var. brevivexillus A. C. Sanders, Jim Malusa 2017-3-25 42990 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  OBI59606  Acmispon strigosus David Charlton 1988-2-18 1178 Riverside S side of Little San Bernardino Mts. Fargo Canyon Rd to Cottonwood Wash, S of Joshua Tree national Park, parallel to I-10. 5 mi E of Jct Dillon Rd and Fargo Cyn Rd 762 Comment
  SBBG3489  Acmispon strigosus H. and M. Dearing 1937-4-11 922 Riverside NE of Indio Comment
  SD133088  Acmispon strigosus Scott White 1991-5-10 91 134 Riverside Hwy 79 immediately west of US Forest Service Campground at Dripping Springs; Vail USGS quad. 548 Comment
  JOTR34077  Adenophyllum porophylloides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2973 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  UCR158348  Adenostoma fasciculatum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30088 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
  SDSU13509  Adenostoma fasciculatum var. fasciculatum W. Miller with C. Mosse 1972-7-20 Riverside West edge of aqueduct clearing overlooking view (S. gate). Comment
  HSC99955  Adenostoma sparsifolium J. P. Smith, & J. O. Sawyer 2011-6-9 13202 Riverside 1470 Comment
  RSA589088  Adenostoma sparsifolium D. L. Banks, Steve D. Boyd 1995-10-17 799 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground. Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  SEINET2084147  Adenostoma sparsifolium G. Rink 1999-5-20 sn Riverside San Bernardino National Forest, Santa Rosa Mountains south of Palm Springs 1219 Comment
  UCR4091  Adenostoma sparsifolium Carole Sims 1965-5-1 s.n. Riverside San Jacinto Mtns, c. 3 mi from Mountain Center on highway down to Hemet, on rise across highway from marked turnout on right side (facing downhill) 1098 Comment
  RSA585792  Adiantum jordanii Darin L. Banks, Steve Boyd 1995-5-9 419 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  UC1080338  Agave deserti E. K. Balls and P. C. Everett 1957-8-20 22671 Riverside 6.6. mi sw Palm Village (along State Hwy 74, jct with Hwy 111) 502 Comment
  RSA125248  Agave deserti subsp. deserti E. K. Balls, Percy C. Everett 1957-8-20 22671 Riverside 6.6 mi. sw. along State Hwy. 74 from Palm Village (jct. State Hwy. 111). 502 Comment
  RSA221017  Agoseris grandiflora var. grandiflora E. W. Lathrop 1966-5-26 6345 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR193534  Agrostis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35658 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  UCR195096  Agrostis exarata A. C. Sanders, Tim Thomas 2008-8-1 35949 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  UCR2124  Agrostis idahoensis F. M. Reed 1908-7-14 2473 Riverside San Jacinto Mtns., Meadow in Round Valley 2744 Comment
  RSA430546  Allenrolfea occidentalis T. Glenn 1984-10-15 s.n. Riverside Whitewater River delta at north end of Salton Sea Comment
  UCR144755  Allionia incarnata Scott D. White, Michael Honer 2003-5-14 9302 Riverside Sonoran (Colorado) Desert, bajada at foothills of Little Maria Mtns, c. 20 air miles NW of Blythe, near Standard (='Superior') Gypsum Mine 122 Comment
  RSA367046  Allium haematochiton N. C. Cooper 1947-4-5 2041 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA395903  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills: Summit of Estelle Mountain Comment
  UCR27415  Allium haematochiton John C. Roos 1950-3-18 4714 Riverside Peninsular Range, 3 - 4 mi north of Murrietta in the hills 457 Comment
  UCR90396  Allium haematochiton D. L. Banks, Steve Boyd 1995-5-9 385 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  SEINET8467213 Image available Allium lacunosum var. davisiae L. B. Ziegler 1967-6-25 Riverside above Kenworthy Ranger Station, S end of San Jacinto Mts. 1615 Comment
  UCR63945  Allium munzii D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1784 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  JOTR30649  Allium parishii La Doux, Tasha, Erin Babich 2008-4-21 1809 Riverside Joshua Tree National Park. Stop 6- Little San Bernardino Mountains, above Upper East Deception Canyon, open rocky ridge 1406 Comment
  RSA740237  Allium parryi Scott D. White, Justin M. Wood 2008-6-17 12191 -B Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  UCR24101  Allium peninsulare John C. Roos 1950-4-22 4753 Riverside Summit of Reche Canyon. 765 Comment
  RSA644111  Allium praecox Scott D. White 1995-3-30 2676 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr., (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill). 579 Comment
  SEINET3878856  Allium praecox D. W. McNeal 1995-3-22 4079 Riverside On the lower slopes of the N side of Gavilan Pk., 0.7 mi S of Cajalco Rd. (jct. 6.5 mi W of Interstate 15 on Cajalco Rd.).; 0 Comment
  UC1929473  Allophyllum Scott D. White, Michael Honer 2003-6-3 9486 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  LA210332  Allophyllum glutinosum Harlan Lewis; E. McClintock 1941-6-29 Riverside Gavilan Hills-Gavilan Plateau, Santa Rosa Rd Canyon 5 mi from Pines to Palms Highway Comment
  RSA263730  Allophyllum glutinosum E. W. Lathrop 1968-5-22 6907 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA91231  Alnus rhombifolia F. W. Peirson 1928-3-10 7698 Riverside along irrigation ditch, Snow Creek Auto Camp at Whitewater, head of Coachella Valley. Comment
  SDSU21792  Alopecurus saccatus Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3986 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UCR40101  Amaranthus blitoides Steve Boyd 1985-7-30 1046 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 7.8 - 10 mi. west of Rancho California Comment
  SD146064  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23080 Riverside San Jacinto Mountains; McMullen Flat at Valley High County Park, 0.7 mile southeast of Highway 74 on Twin Pines Ranch Road. 1029 Comment
  UCR119445  Amaranthus cruentus A. C. Sanders 2002-1-14 24890 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, east side of Streeter Ave. just south of Scott Ave., between Arlington and Central Aves. 238 Comment
  CLARK-A1528-110  Amaranthus fimbriatus Charlotte Stocks 1964-8-27 Riverside Pinyon Crest Comment
  RSA660912  Amaranthus palmeri Mitch Provance 1998-6-20 711 Riverside Jurupa Mountains: Glen Avon Heights, on the N side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR19182  Amaranthus palmeri John C. Roos 1965-9-28 s.n. Riverside San Jacinto Valley, Hemet Comment
  RSA500109  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3662 B Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UCR34910  Ambrosia acanthicarpa L. B. Ziegler 1967-7-27 194 Riverside San Jacinto Mtns., Hemet (Garner) Valley 1387 Comment
  CAS-BOT-BC45012  Ambrosia confertiflora Louis C. Wheeler 1933-12-1 2278 Riverside Banning 731 Comment
  UCR251771  Ambrosia confertiflora S. J. Myers 2014-7-2 s.n. Riverside Banning, SE of intersection of Westward Ave. and 8th St. Comment
  CAS-BOT-BC22609  Ambrosia dumosa J. T. Howell 1928-3-25 3538 Riverside Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC22614  Ambrosia dumosa Javier Penalosa 1963-4-10 2782 Riverside Deep Canyon, 3 mi. S of Palm Desert. 213 Comment
  JOTR28961  Ambrosia dumosa La Doux, Tasha 2005-3-30 1197 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA416960  Ambrosia dumosa Geo Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  UC1539707  Ambrosia dumosa Chas. B. Fiker 1946-4-18 3417 Riverside w side Colorado Desert Comment
Read comments
Mar 23 2014
  UC68912  Ambrosia dumosa H. M. Hall 1905-4-1 5907 Riverside near Mule Springs; Colorado Desert Comment
Read comments
Sep 11 2011
  POM246586  Ambrosia ilicifolia E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, chuckawalla Mts. Colorado Desert. 366 Comment
  UCR171731  Ambrosia pumila John F. Green 2006-4-28 s.n. Riverside Peninsular Ranges, Temecula, Fields immediately N of Nicolas Road/Santa Gertrudis Creek, centered on San Diego Aqueduct corridor 351 Comment
  LA203746  Ambrosia salsola Harlan Lewis; 1935-4-6 sn Riverside Palm Springs 121 Comment
  SD229060  Ambrosia salsola Dick Schwenkmeyer 2012-11-6 862 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 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
  UCR167257  Ambrosia salsola John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UC897999  Ambrosia salsola var. pentalepis I. W. Clokey 1935-4-17 6985 Riverside Cottonwood Springs Comment
  SEINET10797878  Ambrosia salsola var. pentalepis David B. Dunn 1948-2-21 Dunn 3656 Riverside Found in wash. Pushawalla Canyon, Indio Hills of the Colorado Desert; west of Indio. Comment
  SBBG100464  Ambrosia salsola var. salsola W. L. Halvorson 1977-3-8 77 -76 Riverside ca. 1 mi S of the S entrance to Joshua Tree Nat Monument Comment
  RSA653237  Ammannia coccinea Mitch Provance 2000-7-4 2103 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  UCR110380  Ammannia robusta A. C. Sanders, Mitch Provance 1999-9-26 23114 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR110411  Ammannia robusta A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23176 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA450474  Amorpha fruticosa J. C. Roos 1965-9-28 s.n Riverside San Jacinto Valley, near Gilman Hot Springs in dry canyon bottom. Comment
  UC454658  Amorpha fruticosa I. J. Condit 1910-6-24 Riverside San Jacinto River Valley Comment
  UCR150015  Amorpha fruticosa Scott D. White, Angelia Carey 2004-4-16 10163 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  RSA80004  Amsinckia intermedia F. W. Peirson 1921-3-22 s.n. Riverside Murray Canyon, near Palm Springs 487 Comment
  UCD119282  Amsinckia intermedia N. Miles Fellows 1985-3-16 102 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mile W of Snow Creek Village. 487 Comment
  UCR174451  Amsinckia intermedia A. C. Sanders 2006-5-11 32262 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  SBBG119454  Amsinckia menziesii A. C. Sanders 2004-5-12 27859 Riverside Alberhill Mtn, NW foot near Lake St at Alberhill 378 Comment
  SD28018  Amsinckia tessellata Carl B. Wolf 1932-4-27 3037 Riverside Colorado Desert, Mecca-Blythe Road, 3/4 mile west of Utopia 149 Comment
Read comments
Dec 11 2011
  UCR245897  Amsinckia tessellata R. F. Thorne 1995-3-29 63011 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  JOTR30054  Amsonia tomentosa La Doux, Tasha, Jade Mohajerin 2006-10-12 1664 Riverside Joshua Tree National Park. Geo Tour Road, in the area burned in July 2006 Comment
  LA202849  Amsonia tomentosa C. L. Hitchcock; 1940-3-31 5882 Riverside 0.5 mi. below Cottonwood Springs Comment
  UC501453  Amsonia tomentosa Frank W. Peirson 1928-4-25 7921 Riverside ca. 10 mi. s. 29 Palms (White Tank Region); White Tank Region Comment
  UC878734  Amsonia tomentosa C. L. Hitchcock 1940-3-31 5883 Riverside 1/2 mi. below Cottonwood Spring Comment
  RSA387340  Ancistrocarphus filagineus Steve Boyd 1986-4-22 1772 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  SEINET7594989 Image available Andropogon glomeratus Mary F. Spencer 1921-1 1693 Riverside San Jacinto, Near San Jacinto Comment
  RSA779780  Androstephium breviflorum Duncan S. Bell 2010-4-2 689 Riverside Arica Mountains: collecting along the jagged ridgeline of the mountain range; in the Palen/McCoy wilderness; approximately 2.4 air miles northwest of Priest Well. 591 Comment
  UCR111724  Anemone tuberosa L. C. Wheeler 1953-3-31 7042 Riverside Sonoran (Colorado) Desert, Riverside Mountains, near Mountaineer Mine 313 Comment
  RSA18198  Anemopsis californica C. B. Wolf 1929-5-31 3738 Riverside 1 mi. NW of Santa Ana River on Corona-Chino road. Comment
  RSA640827  Anemopsis californica L. C. Wheeler 1931-4-17 s.n. Riverside Santa Ana River south of Chino. Comment
Read comments
Jun 10 2012
  UCSB57881  Anemopsis californica Thorne, Robert 1973-5-23 Riverside Santa Rosa plateau-Mesa de Colorado; Grassy margin of small stream N of mesa 609 Comment
  JEPS83435  Antirrhinum coulterianum David M. Thompson 1983-5-6 294 Riverside 1.9 mi e Aguanga, junction of Hwy. 79 and Hwy. 371, off Hwy. 79 (0.4 mi up wide gravel/dirt road); Aguanga, Aguanga Quad. (7.5', 1954) 792 Comment
  RSA500209  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3534 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SBBG35229  Antirrhinum coulterianum T. L. Secrest 1951-5-18 Riverside near Hemet Comment
  UCR7107  Antirrhinum cyathiferum Lloyd Tevis 1968-2-9 s.n. Riverside Sonoran (Colorado) Desert, S of Palm Desert, Coyote Wash at junction with Deep Canyon Wash on Deep Canyon Floodplain 274 Comment
  RSA0125282  Antirrhinum filipes Duncan S. Bell 2016-3-4 8787 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  SEINET6057800  Antirrhinum nuttallianum Parish, Greata 4746 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  RSA554279  Antirrhinum nuttallianum subsp. nuttallianum Scott D. White 1992-2-25 92 -2 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  UC1979643  Antirrhinum nuttallianum subsp. nuttallianum Steve Boyd 1995-4-24 8488 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. Comment
  UCR89851  Antirrhinum nuttallianum subsp. nuttallianum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3310 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
  RSA747562  Apiastrum angustifolium Michael Honer 2003-4-11 1819 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak 2349 . 640 Comment
  SD185109  Apiastrum angustifolium A. C. Sanders 2005-4-21 29564 Riverside Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 miles easoutheast of Gavilan Peak. 622 Comment
  UC20819  Apiastrum angustifolium Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  SEINET7882510 Image available Apiastrum angustifolium Jean Coulson 1959-1 144 Riverside San Jacinto Mts, 8.1 mi N of Pine cove on Idyllwild Banning road Comment
  SDSU13000  Apocynum cannabinum Michael G. Simpson 1999-10-27 2030 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR30802  Arabis A. C. Sanders, K. Berg 1980-5-1 1351 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  RSA635600  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1992-7-17 16754 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  RSA629167  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16807 Riverside Rd. to Thomas Mts. (5S15), 7.0 km north of Toolbox Springs. 1720 Comment
  RSA139984  Arctostaphylos glandulosa var. adamsii A. E. Wieslander 1938-10-23 822 Riverside Idyllwild. 1524 Comment
  RSA78310  Arctostaphylos glandulosa var. adamsii P. A. Munz, E. K. Balls 1952-8-21 17984 Riverside Road, Vandeventer Flat to Santa Rosa Peak 2072 Comment
  POM3409  Arctostaphylos glauca L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto. Comment
  RSA631773  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16546 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  RSA631785  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19258 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631786  Arctostaphylos glauca Jon E. Keeley 1992-7-17 16731 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  UCR278096  Arctostaphylos glauca A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42679 Riverside Peninsular Range; San Jacinto Mountains, north side of Hwy 74 at McGaugh Rd., west slope of the mountains below Mountain Center 1316 Comment
  RSA633537  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22670 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633600  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22531 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633612  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21768 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633679  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20114 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633739  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20120 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633743  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20125 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA70823  Arctostaphylos parryana subsp. desertica F. W. Peirson 1921-3-21 2577 Riverside Gordon Trail from Andreas Canyon, east base of San Jacinto Mts. 1829 Comment
  POM12411  Arctostaphylos patula subsp. platyphylla P. A. Munz 1922-9-7 6415 Riverside North fork of Tahquitz Creek. 2287 Comment
  CLARK-A1528-449  Arctostaphylos pringlei subsp. drupacea Kim Mortensen 1969-5-10 24 Riverside San Jacinto Mountains Comment
  POM367423  Arctostaphylos pringlei subsp. drupacea N. C. Cooper 1944-5-20 1280 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  RSA70867  Arctostaphylos pringlei subsp. drupacea F. W. Peirson 1921-3-21 2386 Riverside Gordon Trail from Andreas Canyon, east base of San Jacinto Mts. 1829 Comment
  SD229130  Arctostaphylos pringlei subsp. drupacea Dick Schwenkmeyer 2012-4-18 705 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-BC44813  Arctostaphylos pungens Winfield 1975-5-4 2423 Riverside James - San Jacinto Reserve 1615 Comment
  RSA635788  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16525 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  SBBG58398  Arctostaphylos pungens R. Hoffmann 1929-9-6 Riverside Tahquitz Pk Comment
  UCSB4762  Arctostaphylos pungens Kamb, Peter 1948-7-4 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA636187  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19486 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
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Jun 8 2012
  UCR57230  Arenaria douglasii Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta, on clay hillside at edge of road below Mesa De Burro Comment
  SEINET269561  Argemone munita Scott D. White 1996-5-27 4074 Riverside Jackrabbit Canyon: east of Moreno Valley and south of Calimesa between State highway 60 and gilman Spring Road West and 518 Comment
  UCR120913  Argemone munita A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24952 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 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
  CAS-BOT-BC401651  Argemone munita subsp. argentea Aven Nelson; Ruth Nelson 1939-3-30 3341 Riverside Hiway 60, near Desert Center Comment
  CAS-BOT-BC207129  Argythamnia lanceolata Carl B. Wolf 1932-6-15 3735 Riverside North of Utopia, Eagle Mts., Colorado Desert 228 Comment
  CAS-BOT-BC137648  Aristida adscensionis D. A. Johansen; J. A. Ewan 1932-4-11 7089 Riverside Martinez Canyon, Santa Rosa Mountains. 365 Comment
  RSA0027483  Aristida adscensionis Deidre Conocchioli, Naomi Fraga, Billy Sale 2013-9-25 63 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
  RSA704195  Aristida adscensionis Gary D. Wallace 1982-5-15 1996 Riverside Palms to Pines Highway, 7 level hill. Comment
  GMDRC5515  Aristida californica J. Andre 2012-3-19 21352 Riverside Chuckwalla Valley: along Hwy 177, 8.6 mi. NE of Jct with I-10 152 Comment
  LA102171  Aristida purpurea John C. Roos; 1965-9-26 sn Riverside Palm Springs, in a parkway Comment
  RSA746807  Aristida purpurea Michael Honer 2003-7-15 1845 Riverside Rainbow area, just north of the San Diego County boundary and west of the I-15 Freeway. 366 Comment
  RSA129291  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6723 Riverside Head of Deep Canyon. 1220 Comment
  UCR19681  Aristida purpurea var. nealleyi John C. Roos 1938-8-7 582 Riverside San Jacinto Mtns., Road bank near San Jacinto River, east of Hemet 701 Comment
  RSA778133  Artemisia californica Thomas Stoughton, E. Gardner, Duncan S. Bell 2010-11-12 718 Riverside PCT Trail. W of White Water Canyon. N of jct of I-10 and Rte 111. 732 Comment
  CLARK-A1528-153  Artemisia douglasiana Fred B. Essig 1966-9-12 Riverside Riverside Comment
  CAS-BOT-BC90572  Artemisia dracunculus H. M. Hall 1901-8-1 2581 Riverside In open forests of Tamarack Valley 2529 Comment
  CAS-BOT-BC90605  Artemisia dracunculus W. R. O. 0003 Riverside Old Old Field, S.W. San Jacinto Valley near base of Mt. Rudolph Comment
  RSA588818  Artemisia dracunculus Darin L. Banks, Steve Boyd 1995-10-17 0771 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  RSA736544  Artemisia dracunculus Scott D. White, Angelia Carey 2004-7-2 10589 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR127581  Artemisia ludoviciana D. E. Bramlet 2003-4-18 3377 Riverside Base of San Jacinto Mtns., at old facility site, 2,439m south of Cabazon, 2,043m northwest of Cabazon Peak, and 213m northwest of the Colorado River Aqueduct 548 Comment
  UCR274224  Artemisia ludoviciana Duncan S. Bell 2014-11-14 7707 Riverside Santa Rosa Mountains, Santa Rosa Mountain Wilderness area, west side of Martinez Mountain, at meeting point of Horsethief Creek and the Cactus Spring Trail 1055 Comment
  SEINET10723657  Artemisia ludoviciana David B. Dunn 1947-10-9 Dunn 3523 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  SEINET10723671  Artemisia ludoviciana David B. Dunn 1946-8-17 Dunn 2701 Riverside On trail to Taquitz from Taquitz Valley campground. On dry hillside among bracken ferns. Comment
  UC1080341  Artemisia ludoviciana subsp. albula E. K. Balls and P. C. Everett 1957-11-4 22747 Riverside about old Fish Hatchery; n base San Jacinto Mts, Snow Creek 701 Comment
  CDA20369  Artemisia ludoviciana subsp. incompta H. R. Leach 1958-9-12 s.n. Riverside Southern California; Mt. Center. 0 Comment
  CLARK-A1528-157  Artemisia tridentata Charlotte Stocks 1964-8-4 Riverside San Jacinto Mountains 1523 Comment
  RSA716111  Artemisia tridentata subsp. tridentata Michael Wall 2006-11-18 425 Riverside San Jacinto River channel at Bautista Creek confluence, east Hemet near Mountain Ave. and Cedar Ave. 504 Comment
  UC1782174  Artemisia vulgaris O. F. Clarke 2000-12-9 Riverside O. F. Clarke residence, 266 Frost Court 360 Comment
  SD197749  Arthrocnemum subterminale Karin Cleary-Rose, G. Nuhn 1995-7-20 Riverside Peninsular Range, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Highway 74 and Whittier Ave, at south end of Hyatt Ave. 456 Comment
  RSA772063  Arundo donax Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4469 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 W116.64308 487 Comment
  PASA1941  Asclepias albicans 4/28 Riverside Hidden Springs Comment
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Aug 27 2016
  SEINET3081968 Image available Asclepias albicans Andrew C. Sanders, Charlton, Pitzer, Stewart, et al. 1986-3-2 6060 Riverside Graham Pass, between the Chuckwalla and Little Chuckwalla Mountains. 503 Comment
  SBBG87638  Asclepias californica A. C. Sanders, B. Pitzer 1986-4-30 6488 Riverside head of Bee Cyn along Bee Cyn Rd, 1.7 mi above the mouth of the cyn at the San Jacinto River valley 792 Comment
  UCR138826  Asclepias californica D. L. Banks 1997-2-23 1308 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
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Jan 9 2007
  CDA39851  Asclepias erosa W. E. Henson Nov 1937 s.n. Riverside Blythe. 0 Comment
  RSA784752  Asclepias subulata Duncan S. Bell 2012-2-12 3096 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SBBG5721  Asclepias subulata M. A. Piehl 1963-9-18 63841 Riverside US 60, 70, 7.5 mi W of jct with Joshua Tree Monument Rd 373 Comment
  POM4794  Aster subulatus var. ligulatus Geo. R. Hall 1905-09 s.n. Riverside Riverside Comment
  CAS-BOT-BC177460  Astragalus aridus Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13229 Riverside 2.4 mi. S of Rice, on road to Midland and Blythe Comment
  RSA782074  Astragalus aridus Duncan S. Bell 2009-3-9 111 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  JOTR33932  Astragalus bernardinus La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2822 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  SBBG94891  Astragalus crotalariae G. K. Helmkamp 1975-2-17 s.n. Riverside St Hwy 111 at Salt Crk, NE side of Salton Sea Comment
  UC702806  Astragalus deanei Charles B. Fiker 1946-5-30 3492 Riverside on Highway 395 dip s Temecula River Bridge Comment
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Aug 12 2016
  RSA49368  Astragalus didymocarpus var. dispermus P. A. Munz 1949-4-11 12996 Riverside North base of Eagle Mtns. 945 Comment
  UCR195095  Astragalus douglasii A. C. Sanders, Tim Thomas 2008-8-1 35935 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  UCR201474  Astragalus douglasii var. parishii Scott D. White, Justin M. Wood 2008-6-5 12079 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  UCR168456  Astragalus filipes Orlando Mistretta, Mark A. Elvin 1995-6-19 1780 Riverside Peninsular Ranges; San Jacinto Mountains, State Hwy 74 [San Jacinto River Canyon above Cranston Guard Station, vicin. of old Idyllwild Control Rd.] 1433 Comment
  RSA557889  Astragalus gambelianus Steve Boyd, Orlando Mistretta 1992-4-22 7010 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. 610 Comment
  RSA92568  Astragalus gambelianus J. C. Roos, L. Roos 1952-5-19 5689 Riverside On hills N of Moreno. 518 Comment
  RSA725746  Astragalus lentiginosus Linda Archer 2006-5-3 s.n. Riverside Sonoran (Colorado) Desert; Coachella Valley: SW edge of Desert Hot Springs, east of Morongo Wash. 280 Comment
  RSA774902  Astragalus lentiginosus var. coachellae Duncan S. Bell, Amber Swanson 2011-2-18 2024 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  RSA777331  Astragalus nuttallianus var. imperfectus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 828 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
  SBBG68402  Astragalus palmeri M. N. Ackley 1928-4-3 573 Riverside Devil's Cyn, Coral Reef Ranch 91 Comment
  CSUSB2272  Astragalus pomonensis Steven J. Southwell 1971-5-23 Riverside Santa Ana Mountains Santa Ana Mountains. Widespread along dirt road between Murrietta and Tenaja Station. 609 Comment
  UC219066  Astragalus purshii var. tinctus P. A. Munz 1922-6-28 5872 Riverside ridge w Toro Peak; Santa Rosa Mts., w of Toro Peak 2286 Comment
  RSA482797  Athysanus pusillus Christopher Davidson 1973-4-1 1822 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 427 Comment
  UCR244423  Atrichoseris platyphylla Jim Andre 2012-4-16 20918 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
  UCR251648  Atrichoseris platyphylla Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 761 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCR30074  Atrichoseris platyphylla George K. Helmkamp 1983-4-5 483- 42 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  RSA0026101  Atriplex John F. Emmel 1991-3-17 1159 Riverside Chuckwalla Valley, 1.2 air miles SE of extreme south end of Palen Dry Lake, (2.8 air miles E and 0.7 air mile S of Sidewinder Well). 130 Comment
  RSA557354  Atriplex argentea Julie Greene 1993-6-11 1368 Riverside North of new pond. 441 Comment
  UCR267169  Atriplex argentea D. E. Bramlet 2005-7-27 3905 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, west of Hemet, canal alignment, north of Devonshire Ave., west of Warren Rd. 460 Comment
  UC472155  Atriplex canescens J. Ewan 1931-10-3 5227 Riverside Mockingbird Canyon near Arlington; Mockingbird Canyon near Arlington Comment
  LA204703  Atriplex canescens var. laciniata Raymond B. Cowles; 1936-11-29 sn Riverside Indian Wells Comment
  LA36248  Atriplex canescens var. laciniata Chas. Lowe Jr.; 1941-10-19 sn Riverside 3 mi. W of Ripley Comment
  POM182511  Atriplex canescens var. linearis J. B. Feudge 1930-9-25 2063 Riverside Blythe Comment
  RSA532565  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2182 Riverside 1.4 km west of Nuevo and some 10 m. south of the end of the 12th street. The population is some 17 m. east of the San Jacinto River. 473 Comment
  RSA532566  Atriplex coronata var. notatior D. E. Bramlet 1991-6-19 2195 Riverside The popualtion os approximatly 810m. west of the San Jacinto River. some 500m east of the intersection of Pozos Ave. anf the MWD Colorado aqueduct easement Road., The population is found some 4m north of the road. 473 Comment
  UCR62385  Atriplex coronata var. notatior Don Mitchell 1990-6-1 s.n. Riverside 1.5 mi west of Lakeview, on south side of Ramona Expressway, c. 200 yards west of the San Jacinto River Comment
  UCR66262  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2051 Riverside Perris-Aguanga Basin region, 6 km west of Lakeview and just south of Ramona Expressway, 150 m east of San Jacinto River levee; just NE of intersection of B Ave. and 9th St. 433 Comment
  UCR66968  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2057 Riverside c. 6.3 km. west of Hemet, beside a dirt road in an open field, about 440 m west of intersection of Florida and Warren Streets, south side of Florida, c. 267 m from the road edge 500 Comment
  UCD97656  Atriplex rosea Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-11 3730 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 472 Comment
  POM248433  Atriplex semibaccata Philip Crow 1939-7-9 s.n. Riverside Blythe. Comment
  UCR144155  Atriplex suberecta Tricia Campbell 2003-12-2 s.n. Riverside Perris Basin, City of San Jacinto, corner of Ramona Blvd. and Sanderson Avenue 442 Comment
  CAS-BOT-BC145737  Avena sativa V. W. Steinmann 1996-4-13 829 Riverside Just east of Route 15 along Temescal Canyon Road 1.3 km southeast of the junction with Indian Truck Trail. 350 Comment
  CLARK-A1528-4498  Avena sativa John C. Roos, Lucille Roos 1952-5-19 5685 Riverside San Timoteo Canyon 518 Comment
  RSA594042  Azolla filiculoides Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 946 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  CLARK-A1528-5226  Baccharis brachyphylla John C. Roos 1949-9-17 4659 Riverside Whitewater Wash 548 Comment
  JOTR33815  Baccharis brachyphylla La Doux, Tasha, B. Truesdell 2007-11-9 3330 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along park south boundary (STOP 6) 655 Comment
  POM295622  Baccharis brachyphylla Lyman Benson 1955-1-8 15402 Riverside Edge of San Jacinto Mountains, 5 miles NE of Palm Springs 61 Comment
  RSA350335  Baccharis emoryi L. C. Wheeler 1933-12-12 2316 Riverside Along irrigation ditch in semi shade US 99 2 miles NW Whitewater Station, Riverside 366 Comment
  RSA350336  Baccharis emoryi L. C. Wheeler 1933-12-2 2311 Riverside Santa Ana River at Chino Creek 152 Comment
  CLARK-A1528-1638  Baccharis glutinosa John C. Roos 1951-10-24 5346 Riverside Santa Ana River 259 Comment
  UCR154624  Baccharis pilularis A. C. Sanders, Mike Misenhelter 2005-6-15 30991 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR141243  Baccharis pilularis subsp. consanguinea A. C. Sanders, Kelly Volansky 2004-10-6 28815 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  POM4662  Baccharis salicifolia L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon Comment
  JEPS21253  Baccharis salicifolia subsp. salicifolia Marjorie D. Clary 1934-3-3 Riverside 18 mi w of Indio; Carrizo Canon 304 Comment
  UCR67005  Baccharis salicina S. J. Myers 1990-12-10 s.n. Riverside Santa Ana River Valley, Louis Rubidoux Nature Center: along the drainage that connects to the Sunnyslope channel and to the confluence with the Santa Ana River 214 Comment
  RSA709113  Baccharis sarothroides Scott D. White, Justin M. Wood 2005-9-27 11231 Riverside San Gorgonio Pass: Cabazon: Alluvial benches and braided dry channels south of Interstate 5 [I-10] and west of San Gorgonio River. 579 Comment
  SD60246  Baccharis sarothroides Carl B. Wolf 1932-10-12 4297 Riverside Pinyon Well, Little San Bernardino Mountains 1220 Comment
  RSA178643  Baccharis sergiloides C. B. Wolf 1932-10-12 4298 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  UC496518  Baccharis sergiloides P. A. Munz 1932-10-16 12843 Riverside along road to Deep Canyon to Vandeventer Flat Santa Rosa Mts. 1066 Comment
  UCR272437  Bahiopsis parishii Cheryl Sevilla, Sarah J. De Groot 2015-3-18 039 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, off the Pacific Crest Trail c. 2 air miles north-northwest from the Whitewater Preserve Ranger Station, on the hillside east of the Whitewater River drainage 822 Comment
  CAS-BOT-BC99973  Baileya pauciradiata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  POM350662  Baileya pauciradiata N. C. Cooper 1942-4-17 558 Riverside Palm Springs Comment
  RSA0030697  Baileya pauciradiata J. Andre 2013-3-27 24796 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  UCR144156  Bassia hyssopifolia Tricia Campbell 2003-12-2 s.n. Riverside Perris Basin, City of San Jacinto, corner of Ramona Blvd. and Sanderson Avenue 442 Comment
  POM350778  Bebbia juncea Christopher Davidson 1979-4-4 7688 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca. 213 Comment
  RSA336420  Bebbia juncea R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52051 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  RSA340188  Bebbia juncea R. F. Thorne, C. W. Tilforth 1980-5-28 54170 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
  RSA516869  Bebbia juncea Steve Boyd, Thomas S. Elias, B. Roy, S. Meury, S. Zona 1986-3-5 1342 Riverside Mecca Hills: Box Canyon, along Hwy 195 Comment
  RSA652575  Bebbia juncea David B. Dunn 1947-7-12 2962 Riverside Pushawalla canyon in the Indio Hills, below the Palms Comment
  RSA782528  Bebbia juncea A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38384 Riverside Southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04deg.) of intersection of I-15 and Lake St. 465 Comment
  RSA793531  Bebbia juncea Naomi Fraga, David Fraker, Thomas Stoughton 2012-3-15 3947 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  SBBG60781  Bebbia juncea S. W. Hutchinson, M. N. Ackley -Feb-1926 231 Riverside Painted Cyn, near Mecca 12 Comment
  JOTR31818  Bebbia juncea var. aspera La Doux, Tasha, Bill Truesdell 2007-11-9 2524 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  SD146285  Bergia texana A. C. Sanders, Mitch Provance 1999-9-26 23132 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rdd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  RSA0125971  Boechera Scott D. White, Justin M. Wood 2008-7-8 12374 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  JOTR34170  Boechera xylopoda Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 127 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  UCR26125  Boerhavia triquetra John C. Roos 1946-10-26 3140 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns Comment
  UCR125471  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25684 Riverside Sonoran (Colorado) Desert, Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea -67 Comment
  CLARK-A1528-4503  Bouteloua aristidoides John C. Roos 1963-10-23 Riverside Chuckwalla Valley Comment
  RSA0099443  Bouteloua aristidoides Duncan S. Bell, Evan Meyer 2014-10-29 7695 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
  SEINET3920214  Bouteloua aristidoides David Charlton 1988-2-18 1127 Riverside S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. 1 mi. E of Jct Dillon Rd. and Fargo Cyn Rd.; 0 610 Comment
  UCD56839  Bouteloua aristidoides Geoffrey Levin 1976-10-17 1177 Riverside About 11 miles east of Mecca. Box Canyon. Mecca Hills. Salton Sea Basin. 91 Comment
  UCD159781  Bouteloua aristidoides var. aristidoides Duncan S. Bell; K. Clark, B. Ellis, P. McKay et al. 2013-2-24 4469 Riverside Orocopia Mountains; south end of range, north of Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  RSA0099442  Bouteloua barbata Duncan S. Bell, Evan Meyer 2014-10-29 7696 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
  UCR35302  Bouteloua barbata L. B. Ziegler 1967-9-28 255 B Riverside San Jacinto Mountains, Hemet (Garner) Valley 1402 Comment
  UCD56875  Bouteloua curtipendula F. M. Reed 1933-1 10014 Riverside Santa Rosa Mts. Santa Rosa Indian Reservation. Comment
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Mar 16 2014
  RSA561067  Bowlesia incana Steve Boyd, Tim Ross, David E. Bramlet 1993-5-12 7346 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  HSC82752  Brandegea bigelovii Christopher Davidson 1979-4-4 7722 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  JOTR28882  Brandegea bigelovii La Doux, Tasha 2004-2-24 1118 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  RSA394242  Brandegea bigelovii N. C. Cooper 1944-5-20 2644 Riverside Palms to Pines Hwy., San Jacinto Mtns. 304 Comment
  RSA394253  Brandegea bigelovii Robert Gustafson 1978-3-21 842 Riverside Joshua Tree National Monument, about 3 miles north on the road leading through the park and Hwy 70. 640 Comment
  RSA796749  Brandegea bigelovii J. Andre 2012-4-11 20840 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  UCR50579  Brassica nigra B. G. Pitzer, E. Misquez 1988-2-28 0621 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  UCR59917  Brassica nigra Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, University of California agricultural experimental farms, c. 1/2 mi south of Alessandro Blvd at NE corner of Cactus Avenus and Nason Street Comment
  RSA674570  Brassica tournefortii Scott D. White 2000-5-3 7765 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  UC1922426  Brassica tournefortii Naomi Fraga, Lisa Rojas 2005-2-10 1372 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR18519  Brickellia arguta Frank C. Vasek, O. F. Clarke 1966-4-4 s.n. Riverside Santa Rosa Mtns, Hwy 74 at Royal Carrizo Road, Deep Canyon drainage 917 Comment
  UC484168  Brickellia atractyloides B. D. Stark 1930-5-4 Riverside Morongo Pass Comment
  CAS-BOT-BC106343  Brickellia atractyloides var. arguta Philip A. Munz 1937-5-29 15150 Riverside Deep Canyon, Santa Rosa Mts. 1066 Comment
  CAS-BOT-BC106187  Brickellia desertorum Nancy Ryan Zabriskie; Nancy Bercovitz 1971-11-15 463 Riverside Andreas Canyon, east slope San Jacinto Mountains - in canyon bottom but away from stream, this below the clubhouse. 304 Comment
  JOTR34405  Brickellia desertorum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3093 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring area 902 Comment
  JOTR34406  Brickellia desertorum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3093 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring area 902 Comment
  RSA89894  Brickellia desertorum J. C. Roos, L. Roos 1950-10-28 5020 Riverside N base Mt. Russell, 1 mi SE of Moreno. 550 Comment
  CDA10550  Brickellia incana G. D. Barbe, J. L. Johnson 1982-11-2 4028 Riverside 3 miles west of Indian Well on Bradshaw Trail, south of Chuckwalla Mountains, southern Riverside County. 0 Comment
  UC1329828  Brickellia incana James E. Cole 1941-5-21 751 Riverside Cottonwood Spring Wash, Joshua Tree National Monument Joshua Tree National Monument, Cottonwood Spring Wash 914 Comment
  RSA70127  Brodiaea filifolia F. W. Peirson 1922-5-19 3070 Riverside 2 miles southeast of Perris Comment
  JOTR34002  Bromus berteroanus La Doux, Tasha, M. Harding 2010-4-7 2890 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UCR202436  Bromus carinatus Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR9396  Bromus carinatus D. H. Wilken 1965-6-29 361 Riverside San Jacinto Mtns, Strawberry Meadows, near Idyllwild 1555 Comment
  JOTR36420  Bromus diandrus La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3366 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA792813  Bromus hordeaceus subsp. hordeaceus D. M. McF 1954-5-28 5 Riverside Near Winchester. Junction [of] Hwy 395 and Newport Ave. Comment
  UC1930083  Bromus madritensis subsp. rubens Scott D. White 2001-3-27 8172 Riverside BADLANDS: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/Theodore St. Adjacent to County Landfill. Comment
  SEINET14423552  Bromus mollis M. Fellows 1983-5-9 Riverside Just W of the UCR Herbarium Comment
  CSUSB434  Bromus rubens Leland E. Francois 1966-3-8 3866 2 Riverside City of Riverside. Southwest corner of U.S. Salinity Laboratory. Property on corner of 14th Street and Palm Ave. 289 Comment
  POM363960  Bromus rubens H. de Forest, George R. Johnstone 1925-4-17 s.n. Riverside Cabazon. Comment
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Mar 13 2011
  RSA772131  Bromus rubens Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4864 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  SEINET10810207  Bromus rubens Gordon H. True 1935-3-11 True 68 Riverside Sycamore Canyon, Box Springs. North hillside. 366 Comment
  UCR223864  Bromus tectorum A. C. Sanders 2011-2-24 38736 Riverside San Bernardino Valley Region, Jurupa Hills, eastern lobe of Rattlesnake Mountain, west of Riverside Cement Plant 407 Comment
  RSA172310  Caesalpinia virgata R. F. Thorne 1963-3-29 32373 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  UC864230  Caesalpinia virgata C. L. Hitchcock 1940-3-29 5850 Riverside ca. 12 mi. e. Indio Comment
  SEINET12160519  Caesalpinia virgata Unknown 1936-1 12788 Riverside Colorado Desert N of Palm Springs Comment
  POM280839  Calandrinia ciliata Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Corona, south of fields-hillsides. Comment
  RSA180493  Calandrinia ciliata E. W. Lathrop 1960-5-27 5210 Riverside 6 miles west of Murrieta. Comment
  UCR123752  Calandrinia ciliata Steven R. Hill 2001-4-29 33523 Riverside Calimesa, south side of Route I-10 right-of-way, 0.2 mi west of Desert Lawn Road exit 705 Comment
  RSA167551  Calliandra eriophylla R. F. Thorne, Robert L. Rutherford 1964-4-12 33666 Riverside Along Hwy 60, south of Ford Dry Lake, west of Blythe. Comment
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Feb 22 2014
  RSA198961  Callitriche heterophylla subsp. bolanderi R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37594 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  RSA85454  Callitriche marginata J. C. Roos 1952-4-16 5540 Riverside Edgemont, near Box Springs. 488 Comment
  CAS-BOT-BC85771  Calocedrus decurrens Carl Epling 1931-10-4 246 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  RSA297384  Calocedrus decurrens Larry E. DeBuhr 1972-2-25 500 Riverside Santa Rosa Mts. San Bernardino National Forest; along forest road 7S02; above Cedar Springs. 2346 Comment
  RSA761282  Calocedrus decurrens Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 732 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SD229036  Calocedrus decurrens Dick Schwenkmeyer 2012-4-17 688 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  RSA784188  Calochortus J. D. Olmsted 1959-5-17 632 Riverside Hills of the Perris block [/range]. Drainage area to Lake Elsinore. The Gavilan district. 15 mi SE of Corona. 686 Comment
  RSA162810  Calochortus albus J. D. Olmsted 1959-4-30 500 Riverside Beacon Pines Ranch; 9 miles SW of Corona, Santa Ana River Drainage Area. 808 Comment
  RSA58892  Calochortus concolor Philip A. Munz, Percy C. Everett 1950-6-23 14907 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA774062  Calochortus concolor Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1431 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1388 Comment
  POM48371  Calochortus invenustus I. M. Johnston 1924-7-27 8776 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  SBBG22198  Calochortus palmeri var. munzii H. and M. Dearing 1940-6-9 4362 Riverside Palms to Pines Hwy, near Herkey Crk Comment
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Nov 27 2012
  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
  RSA180429  Calochortus splendens E. W. Lathrop 1965-5-18 5759 Riverside 8 miles W of Murrieta; hills around 300 ft high 609 Comment
  RSA648019  Calochortus splendens Bruce Albert 1982-4-17 57 Riverside Flat field south of Cajalco road, 0.3 miles east of La Sierra Hwy. Comment
  UCR87620  Calochortus splendens A. C. Sanders 1994-5-30 14608 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  SD245188  Calochortus weedii var. weedii R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49545 Riverside Santa Ana Mountains; along Ortega Highway (74), about 2 miles south-southwest of El Cariso. Comment
  RSA525319  Calycadenia tenella Steve Boyd 1990-4-29 4473 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR4320  Calycadenia tenella D. Gordon 1952-5-19 s.n. Riverside San Bernardino Valley Region, Riverside, UCR campus 335 Comment
  GMDRC2050  Calycoseris parryi J. Andre 2006-4-26 6768 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
  RSA79173  Calycoseris parryi Philip A. Munz 1952-5-2 16242 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  CAS-BOT-BC282912  Calycoseris wrightii K. Larson 1977-5-12 60062 B Riverside Ford Dry Lake ca 25 miles W Blythe Comment
  SD45181  Calycoseris wrightii Helen K. Sharsmith 1952-4-11 4064 Riverside Northwest base of Chuckawalla Mountains, 7 miles south of Highway 60-70. 534 Comment
  UCR101842  Calyptridium monandrum B. G. Pitzer 1997-4-1 3055 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR216353  Calyptridium monandrum Mike Bell 2008-3-19 043 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, off Ruby Dr./13th (dirt track) between North Indian Canyon Dr. and Western Ave. 352 Comment
  UCR35073  Calyptridium monandrum L. B. Ziegler 1969-5-27 365 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  CAS-BOT-BC224280  Calystegia macrostegia A. C. Sanders; T. B. Salvato; Kelly Volansky; Michelle Balk 2006-5-24 32520 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  POM122402  Calystegia macrostegia subsp. intermedia Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA271855  Calystegia macrostegia subsp. intermedia C. W. Tilforth 1978-4-30 1565 Riverside Low rounded hills east of Norco Comment
  CLARK-A1528-2608  Calystegia sepium John C. Roos, Lucille Roos 1952-6-10 5763 Riverside Riverside 259 Comment
  RSA750441  Camissonia A. C. Sanders 1994-5-29 14556 Riverside San Bernardino Mtns Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek. 793 Comment
  UCR118780  Camissonia A. C. Sanders, G. K. Helmkamp 1997-3-15 19931 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  CSUSB170  Camissonia bistorta Kirk Taylor 1976-5-29 76-5-29 7 Riverside Fairmount Park, city of Riverside; West end of Lake Evans. Comment
  RSA559346  Camissonia bistorta Steve Boyd, T. S. Ross 1992-5-15 7396 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
  UCR117089  Camissonia bistorta A. C. Sanders, T. B. Salvato 2001-5-16 24297 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR26546  Camissonia bistorta A. C. Sanders, S. Hagopian 1981-5-20 2122 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  UCR41541  Camissonia boothii A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6008 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  RSA719271  Camissonia brevipes Michael Honer, L. Hulse 2004-4-3 1898 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O Neal Canyon. 610 Comment
  POM14267  Camissonia brevipes subsp. brevipes P. A. Munz, D. Keck 1922-4-9 4795 Riverside Palm Springs. 457 Comment
  RSA76151  Camissonia brevipes subsp. brevipes P. A. Munz, R. D. Harwood 1920-4-2 3580 Riverside Colorado Desert, near Blythe. 152 Comment
  JOTR31006  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
  RSA314452  Camissonia californica Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55450 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 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
  UCR174119  Camissonia californica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32608 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCD103332  Camissonia campestris subsp. campestris Robert C. Bechtel 1952-3-28 26 Riverside Perris. 443 Comment
  RSA449180  Camissonia claviformis subsp. aurantiaca Robert Gustafson 1983-3-27 2485 Riverside Dry, rocky canyon just southwest of Lake Cahuilla. Comment
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May 21 2016
  RSA171392  Camissonia confusa J. Olmstead 1962-5-3 3483 Riverside Along road on north side of Hemet Lake; San Jacinto Mts. 1280 Comment
  UCR23517  Camissonia confusa John C. Roos 1943-5-23 2662 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  RSA359849  Camissonia graciliflora Steve Boyd 1986-4-2 1637 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR281527  Camissonia ignota Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 93 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  RSA710937  Camissonia pallida A. C. Sanders, K. C. Rose 1995-4-5 16368 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert: Coachella Valley; south of Mission Creek and west of Hwy 62. 518 Comment
  SEINET273116  Camissonia pallida G. K. Helmkamp, AC Sanders 1997-3-15 1501 Riverside Skinner Lake; Grassland at base of Bachelor Mtn and adjoining chaparral. UTM 10km cell; 11SMH-9E 1N Skinner Reservoir 488 Comment
  POM212495  Camissonia pallida subsp. pallida E. A. Purer 1935-4-21 6484 Riverside Sandy area near Palm Springs Comment
  POM14038  Camissonia refracta P. A. Munz, D. Keck 1922-4-9 4916 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  UCR86867  Camissonia refracta A. C. Sanders, K. Rose 1995-4-27 16743 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  UCR265601  Camissoniopsis Jordan Zylstra 2014-3-18 14001 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  OBI42569  Camissoniopsis confusa A. C. Sanders 1986-6-1 6535 Riverside San Jacinto Mts, upper part of the trl toward Spitler Peak from the Hurkey Crk camp to Bonita Vista Rd 1829 Comment
  SDSU13992  Camissoniopsis ignota Michael G. Simpson, Adrienne Russell 2000-4-29 2073 Riverside Rocky ridge, ca. 100-150 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UC20490  Camissoniopsis ignota Geo. R. Hall 1901-3-17 Riverside Riverside Comment
  UCR102856  Capsella bursa-pastoris A. C. Sanders 1997-4-3 20157 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  CSUSB652  Cardamine californica S. Crum 1966-3-20 S. N. Riverside About 20 miles from western turn on Tenjada Rd. in Santa Ana Mountians. In dense Chaparral, in moist soil especially along the steep banks of the road cut. 1219 Comment
  UCR181665  Cardamine hirsuta Chet McGaugh 2006-12-12 s.n. Riverside Riverside, Arlington Heights area near Mockingbird Reservoir, Monroe St. at Irving St. 320 Comment
  UCR250320  Cardamine hirsuta A. C. Sanders 2014-4-16 41014 Riverside Peninsular Range, Temescal Valley, Campbell Ranch Rd. between Indian Truck Trail and Temescal Canyon Rd., across from intersection with Soapberry Rd. 345 Comment
  UCD85858  Carduus pycnocephalus A. C. Sanders; B. Pitzer 1987-4-21 7049 Riverside Box Springs Mountains, Summit of Pigeon Pass Road. 579 Comment
  CAS-BOT-BC34440  Carex deflexa var. boottii Peter H. Raven 1959-5-17 14228 Riverside San Jacinto Mountains. Lake Fulmore. Comment
  SEINET7485220 Image available Carex fracta P. F. Zika, Nick Otting 2010-1 25298 Riverside N Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Bernardino National Forest 1910 Comment
  UC729874  Carex multicostata Carl B. Wolf 1932-8-5 3983 Riverside summit San Jacinto Peak; San Jacinto Mts. 3293 Comment
  UC213315  Carex praegracilis I. M. Johnston 1918-4-27 1860 Riverside Murrieta 304 Comment
  UCR142302  Carex praegracilis A. C. Sanders 1997-3-19 20044 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  UCR208190  Carex praegracilis I. M. Johnston 1918-4-27 1860 Riverside Peninsular Range; Santa Ana Mtns. Region, Murrieta 305 Comment
  CAS-BOT-BC117858  Carex sartwelliana Scott D. White 1996-8-1 4409 Riverside Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. 1828 Comment
  RSA627574  Carex sartwelliana Scott D. White 1998-7-31 6950 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  SD136988  Carex triquetra Steve Boyd, Tim Ross 1992-6-10 7640 A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon about Potrero Escondido, west of junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main truck of San Mateo Creek. 671 Comment
  CSUSB1297  Cassia tomentosa Joyce Davis 1965-3-31 Riverside Edge of orchard, about 10 feet from road on Chase Street between Buena Vista and Taylor Streets in Corona. 207 Comment
  CDA35222  Castela emoryi T. C. Fuller 1962-10-2 9697 Riverside Hayfields, north of Highway 60-70 to Indio, ca. 14 miles west of Desert Center. 0 Comment
  SD217376  Castilleja affinis Steve Boyd, Tim Ross and Laurel Arnseth 1990-3-29 3910 Riverside Vail Lake Area, summit of Big Oak Mountain, north of lake. 792 Comment
  POM305710  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1029 Riverside Hemet-Anza, Bautista Creek Road. Comment
  POM71676  Castilleja applegatei subsp. martinii Philip A. Munz 1924-5-18 8131 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  UC1537443  Castilleja exserta Gordon H. True Jr. 1935-3-14 100 Riverside near Gavilan Peak; Gavilan Hills 609 Comment
  RSA0010955  Castilleja miniata subsp. miniata Mary F. Spencer 1922-6-26 1977 Riverside Idyllwild. San Jacinto Mts. 1707 Comment
  UCR49244  Caucalis microcarpa Steve Boyd 1986-4-22 1736 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  UCD166250  Caulanthus Jack Major 1962-4-17 783 Riverside Pinyon Flat. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  RSA162742  Caulanthus cooperi J. D. Olmsted 1958-3-29 70 Riverside 3 miles N of Cottonwood Spring in Joshua Tree national Monument which is 8 miles from the southern entrance. 915 Comment
  RSA531105  Caulanthus cooperi M. B. Dunkle 1935-3-30 4422 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA531106  Caulanthus cooperi Christopher Davidson 1973-4-19 1993 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  OBI29869  Caulanthus heterophyllus Melissa Luckow, Rhonda Riggins 1982-4-15 832 Riverside Hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  RSA113257  Caulanthus heterophyllus E. K. Balls 1955-4-4 20430 Riverside Chaparral, Ortega Hwy. 8.3 mi. ne. from Orange-Riverside Co. line, Elsinore overlook. 793 Comment
  UCR127574  Caulanthus heterophyllus D. E. Bramlet 2003-4-18 3372 Riverside Base of San Jacinto Mtns., 2,348m south of Cabazon, 2,012m northwest of Cabazon Peak, and 183m northwest of the Colorado River Aqueduct 548 Comment
  UCR65282  Caulanthus heterophyllus Steve Boyd, L. Arnseth, T. S. Ross 1990-3-29 3846 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
  OBI42531  Caulanthus simulans L. F. LaPre 1986-4-17 s.n. Riverside Bull Canyon, Gavilan Hills Comment
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Nov 21 2014
  UC64616 Image available Caulanthus simulans W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1894 Riverside Coyote Canyon El Toro Mt.; Coyote Canyon, El Toro Mt. 1676 Comment
  UC218114  Ceanothus cordulatus P. A. Munz 1922-7-7 6059 Riverside North Fork of Taquitz Creek San Jacinto Mts. 2194 Comment
  HSC18361  Ceanothus crassifolius C. L. Hitchcock, C. V. Muhlick 1964-3-17 23086 Riverside 0.5 mi. SE of Glen Ivy Hot Springs Comment
  RSA496738  Ceanothus crassifolius Maureen Pendleton 1988-2-1 s.n. Riverside Ca. 2.5 mi. S of Temecula between I-215 and Rainbow Canyon Road. 412 Comment
  RSA517102  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-19 3017 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  RSA543205  Ceanothus crassifolius Steve Boyd 1991-3-17 5480 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA606775  Ceanothus crassifolius Jon E. Keeley 1996-5-13 27428 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  UCSB3859  Ceanothus crassifolius Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon 335 Comment
  RSA1793  Ceanothus greggii var. perplexans Carl B. Wolf 1931-5-11 1944 Riverside Near Pipe Creek, above Hemet Valley. 1677 Comment
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Mar 24 2011
  CAS-BOT-BC51276  Ceanothus leucodermis Lyman Benson 1932-3-26 3186 Riverside Summit Temecula Grade 609 Comment
  LA44870  Ceanothus leucodermis W. Pequegnat; 1939-4-8 44 Riverside Santa Ana Mountains Comment
  OBI10447  Ceanothus leucodermis Carl B. Wolf 1941-8-12 11143 Riverside San Jacinto Mts 1.6 mi S Idylwild on Rd to Tauquitz Lodge 1524 Comment
  RSA399316  Ceanothus leucodermis Gale Sphon 1955-5-21 s.n. Riverside 5 mi. S of Lake Fulmore. Comment
  SBBG4361  Ceanothus leucodermis M. Van Rensselaer 1937-7-21 Riverside below Idyllwild Comment
  SD129400  Ceanothus leucodermis Steve Myers 1990-3-21 Riverside Santa Rosa Plateau area: Along Los Gatos Road, 1/2 mi. S of Buena Vista Road (2 mi. W. of Sandia Canyon, & 0.1 mi. N of San Diego County Line) 366 Comment
  SD229239  Ceanothus leucodermis Dick Schwenkmeyer 2012-4-17 695 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  RSA0019591  Ceanothus palmeri J. D. Olmsted 1959-9-23 s.n. Riverside Flat on NW side of Idyllwild-Banning Rd. halfway up grade south of Dark Canyon Creek crossing. San Jacinto Mountains, North Fork San Jacino River drainage area. 1799 Comment
  RSA0054959  Ceanothus papillosus Keith E. Hoffmaster 1932-4-17 503 Riverside Santa Ana Mts. [Orange or Riverside]. Comment
  HSC101778  Ceanothus perplexans J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13198 Riverside 1470 Comment
  SD224835  Centaurea benedicta M. A. Patten 1992-5-14 92 7 Riverside Cherry Valley, just N of Cherry Park Drive between Mountain View Avenue & Beaumont Avenue. Comment
  UCR121681  Centaurea melitensis Ian G. Gillespie, Abby Sirulnik 2000-5-7 33 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
  UCR227808  Centaurea melitensis Duncan S. Bell, Joy England 2010-6-7 1266 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 1.4 air miles southeast of the junction of Hwy 74 and Forest Service Road 5S15 780 Comment
  UC22693  Centaurium venustum H. M. Hall 1901-6-12 2094 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1371 Comment
  UCR120410  Centaurium venustum Mitch Provance 1998-5-25 875 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  JOTR33968  Centrostegia thurberi La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2854 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
  UC1128902  Cercidium floridum subsp. floridum H. S. Yates 1937-6-28 6745 Riverside near Oasis; Thermal Quadrangle 30 Comment
  LA47755  Cercocarpus betuloides L. Haines; L. Erickson 1937-4-10 sn Riverside Palms to Pines Highway Comment
  CAS-BOT-BC276381  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  RSA567641  Chaenactis carphoclinia var. carphoclinia Theo Glenn 1991-5-2 91 -24 Riverside McCoy Mtns, NW of Blythe. 350 Comment
  UC724353  Chaenactis carphoclinia var. carphoclinia Aven Nelson, Ruth A. Nelson 1939-3-29 3324 Riverside Hidden Springs Canyon; near Palm Grove Comment
  JEPS108701  Chaenactis fremontii C. Spurrier, M. J. Way 2001-6-13 2 Riverside Big Morongo Canyon Preserve, 1.3 km n of Indian Ave., just E of Hwy 62 525 Comment
  RSA528101  Chaenactis fremontii Steve Myers 1991-4-15 91 -21 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  UC1539719  Chaenactis fremontii Chas. B. Fiker 1946-4-16 3414 Riverside w side of Colorado Desert Comment
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Mar 23 2014
  UCR122748  Chaenactis fremontii George K. Helmkamp, E. A. Helmkamp 1998-4-24 3385 Riverside Santa Rosa Mountains, Palms-to-Pines Hwy (Calif. Hwy 74), 1 mi north of Carrizo Rd near Black Hill 1006 Comment
  UCR177001  Chaenactis fremontii Tracy Tennant, J. S. Ross 1998-4-30 MOR- 71 Riverside San Bernardino Mtns., Morongo Indian Reservation, hills west of the mouth of Potrero Canyon, 0.2 mi. NE of hill 3030 854 Comment
  UCR133360  Chaenactis glabriuscula Tracy Tennant, J. S. Ross 1998-4-30 MOR- 76 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, unnamed canyon running W to E between the southern portions of Hathaway and Potrero Canyons, c. 1.5 miles ENE of Banning Peak (VABM 3440) 854 Comment
  UCR155057  Chaenactis glabriuscula Jason L. Hlebakos 2005-5-30 815 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR34889  Chaenactis glabriuscula L. B. Ziegler 1967-4-18 117 Riverside San Jacinto Mtns, Foothills of the mountains, Soboba Indian Reservation, Poppet Flat Rd 581 Comment
  UCR49268  Chaenactis glabriuscula Steve Boyd 1986-5-1 1808 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  RSA559422  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1992-4-15 6879 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  CAS-BOT-BC277552  Chaenactis glabriuscula var. lanosa L. R. Abrams 1926-3-25 11000 Riverside Near Banning Comment
  RSA13799  Chaenactis parishii Victor Duran 1933-7-1 3492 Riverside Near Santa Rosa. Santa Rosa Mountains 1829 Comment
  RSA232907  Chamaesyce L. S. Rose 1967-12-20 67186 Riverside 5 mi. N of Thousand Palms oasis. 0 Comment
  RSA792552  Chamaesyce polycarpa Duncan S. Bell 2012-9-13 4179 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  RSA433  Chamaesyce polycarpa var. hirtella J. T. Howell 1927-4-1 521 Riverside Near Mission Creek, Colorado Desert 457 Comment
  RSA522311  Chamaesyce prostrata Steve Boyd 1989-7-9 3781 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  JEPS52354  Chamaesyce serpyllifolia Carl V. Meyer 1928-7-30 587 Riverside Saunder's Meadow Comment
  UC64183  Chamaesyce serpyllifolia H. M. Hall 1901-6-1 2183 Riverside Thomas Valley San Jacinto Mtns 1371 Comment
  UCR164283  Cheilanthes clevelandii S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  UC1077121  Cheilanthes newberryi Herbert L. Mason 1926-5-2 3201 Riverside Temecula Valley Comment
  UCR90966  Cheilanthes newberryi Scott D. White 1996-3-23 3842 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet, Loomis property, 'Friendly Hills Ranch 610 Comment
  JOTR32916  Cheilanthes parryi La Doux, Tasha, Jim Andre 2009-2-28 356 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 2.5mi north of JTNP boundary, approx. 5mi north of Dillon Rd. 744 Comment
  POM9750  Cheilanthes parryi Philip A. Munz 1921-12-31 4700 Riverside Andreas Canyon, Colorado Desert. Comment
  UC811618  Cheilanthes viscida Ivan Johnston Riverside Palm Canyon; Colorado Desert 304 Comment
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Jul 4 2015
  RSA613314  Chenopodium album D. L. Banks 1997-3-1 1379 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
  UCR125288  Chenopodium ambrosioides A. C. Sanders 2002-11-21 25649 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  SEINET3106007  Chenopodium berlandieri Faulkner 1978-3-15 283 Riverside 1 mile west of Hwy 95, 25 miles N of Blythe. 152 Comment
  RSA0125297  Chenopodium californicum Duncan S. Bell, Eric Baecht, Eva Mansell 2016-3-3 8783 Riverside Whitewater Canyon, at the Whitewater Canyon Preserve, a few hundred feet north from the Ranger Station (trout pond). 677 Comment
  SD224924  Chenopodium californicum Scott D. White 1996-3-23 3845 Riverside Santa Rosa Hills, SE of Hemet (Loomis property: Friendly Hills Ranch). USGS 7.5' Hemet topo. 320 Comment
  UCR20896  Chenopodium fremontii A. C. Sanders 1978-8-27 00281 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  SEINET10904483  Chenopodium incanum Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-13 Dietrich 32 Riverside 7.5 miles south of North Shore on State Highway 111. Along highway on east shore of Salton Sea. Sandy beach soil with creosote bush common. 40 Comment
  RSA653338  Chenopodium pratericola Mitch Provance 2000-9-18 2265 Riverside Riverside: Prenda area, S side of Hermosa St., about 0.25 mile west of the intersection with Washington St., 33 deg 54' 02.5'' N, 117 deg 23'14.3'' W 185 Comment
  UCR59671  Chenopodium rubrum Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3552 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  SD255117  Chilopsis linearis Duncan S. Bell 2009-8-15 411 Riverside Northwest of the Arica Mountains. 285 Comment
  SD84926  Chilopsis linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-3-28 275 Riverside East slope San Jacinto Mountains,North Canyon just above juncture with Andreas Canyon 349 Comment
  UCR163665  Chilopsis linearis John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; east of Salton Sea, along Coachella Canal, NW of Frink 24 Comment
  UCR35195  Chilopsis linearis L. B. Ziegler 1966-9-13 089 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Carrizo Spring (Carrizo Creek), c.3/8 mi above Hwy 74 crossing of canyon. 703 Comment
  CAS-BOT-BC540727  Chilopsis linearis subsp. arcuata Sarah J. De Groot; Duncan S. Bell 2015-5-14 7373 Riverside White Water, along Pacific Crest Trail about 400 m S of Forks 3028, and abut 450 m S of Red Dome. SE side of San Bernardino Mtns. 768 Comment
  LA204142  Chilopsis linearis subsp. arcuata Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9582 Riverside Mecca Hills 2 mi. up Painted Canyon Comment
  RSA701160  Chilopsis linearis subsp. arcuata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11264 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage.Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UC2031354  Chloracantha spinosa Duncan S. Bell 2013-10-29 6089 Riverside Colorado Desert, Chocolate-Chuckwalla Mountains:Hayfields Dry Lake, N of Interstate10, about 1 mile SW of the pumping station. Comment
  JEPS68483  Chloris virgata S. B. Parish 1912-10-24 8227 Riverside Thermal; Salton Basin, Thermal -39 Comment
  SDSU13012  Chloris virgata Michael G. Simpson 1999-10-27 2053 Riverside Santa Margarita Ecological Reserve, San Diego State University. Along path from river to Southside facilities. 152 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
  HSC49386  Chorizanthe brevicornu var. brevicornu D. L. Goforth 1979-4-1 110 Riverside Box Canyon 10 mi. E of Mecca on Hwy. 195 220 Comment
  UCR220133  Chorizanthe coriacea D. E. Bramlet 1989-4-12 1831 Riverside Peninsular Range; Perris-Aguanga Basin region, South Domenigoni Hills, 600 ft. east of Rawson Canyon, c. 6000 ft. south of Newport Rd. [site now under water of Diamond Valley Reservoir] 518 Comment
  POM147639  Chorizanthe corrugata F. M. Reed 1927-3-20 5477 Riverside Salt Creek Wash. Comment
  RSA781395  Chorizanthe corrugata Duncan S. Bell 2010-5-1 902 A Riverside Arica Mountains: northwest section of the project area, approximately 2 air miles south of the junction of Highway 62 and the aqueduct access road. 283 Comment
  UCR66982  Chorizanthe leptoceras D. E. Bramlet, D. J. Bradney 1989-6-12 1915 Riverside Arroyo Seco, 1000 ft. south of Hwy 79 and 700 ft west of U.S.F.S. Dripping Springs Campground, on sandy beaches c. 200 ft. west of Arroyo Seco channel 485 Comment
  RSA572973  Chorizanthe leptotheca Steve Boyd 1986-4-19 1706 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UC534896  Chorizanthe leptotheca Susan G. Stokes 1934-7-1 311 Riverside road to Idyllwild (San Jacinto Mountain); San Jacinto Mountain 1219 Comment
  RSA715196  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32614 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR238222  Chorizanthe parryi var. parryi Mark A. Elvin 2005-5-24 4319 Riverside Peninsular Range; Perris-Aguanga Basin Region, hill west of Hemet and south of Hwy 74, east of Winchester Rd. 503 Comment
  UCR256750  Chorizanthe polygonoides var. longispina T. B. Salvato, Matthew Malle 2013-4-10 7530 Riverside Gavilan Hills, southeastern slopes, 0.30 mi north of the Temescal Canyon and 0.15 mi northwest of Black Powder Canyon 402 Comment
  UCD99879  Chorizanthe rigida William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  UCR148475  Chorizanthe rigida 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
  GMDRC1319  Chorizanthe watsonii J. Andre 2004-4-24 4277 Riverside Little San Bernardino Mountains: Joshua Tree NP: Joshua Tree woodland (sparse), near bench by wash in sandy soil. Elev. 3711 ft. 1131 Comment
  RSA339659  Chorizanthe watsonii Robert F. Thorne, C. W. Tilforth 1980-5-28 54225 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  SEINET10445993 Image available Chorizanthe xanti var. leucotheca Marc A. Baker, Danny Cuellar, Emily Mastrelli, Cecile Shohet and Stephan Myers 2015-1 18308 Riverside south side of the San Gorgonio River, 2km north of Banning, south base of the San Bernardino Mountains, 52km east of Riverside 788 Comment
  UCR18188  Chorizanthe xanti var. leucotheca A. C. Sanders 1978-4-30 547 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  UCR23785  Chrysothamnus nauseosus John C. Roos 1943-10-16 2738 Riverside Southern Mojave Desert, Falcon Flats, Little San Bernardino Mtns 1524 Comment
  SFV21965  Chylismia brevipes J. N. Hogue 2011-3-27 376 .1 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash at Corn Springs. 490 Comment
  UCR244295  Chylismia cardiophylla subsp. cardiophylla Jim Andre 2012-4-16 20878 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  CDA37651  Chylismia claviformis subsp. aurantiaca T. C. Fuller 1962-4-4 7996 Riverside Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  SD122414  Chylismia claviformis subsp. aurantiaca Duffie Clemons, Erik Jonsson 1988-2-13 1937 Riverside Ca. 3.0 miles north of I-10 along Washington St. southwest of Indio Hills, Coachella Valley. Comment
  UC708731  Chylismia claviformis subsp. aurantiaca H. K. Wagnon 1944-4-2 381 Riverside along fence w cold storage plant; Palm Springs, Torney General Hospital Comment
  SEINET3146317  Cirsium occidentale var. californicum W. B. Crockatt sn Riverside Prado 91 Comment
  RSA502517  Cirsium occidentale var. occidentale Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3574 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  CAS-BOT-BC280420  Cirsium ochrocentrum John Thomas Howell 1952-10-24 28863 Riverside Bridges Ranch near Beaumont Comment
  CAS-BOT-BC286454  Cirsium scariosum Mary F. Spencer 1921-7-6 s.n. Riverside Strawberry Valley, San Jacinto Mts 1737 Comment
  RSA741377  Cirsium scariosum Scott D. White, Justin M. Wood 2008-5-15 11975 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  RSA65411  Cistanthe ambigua F. W. Peirson 1926-2-22 6512 Riverside 0.5 mile north of camp in Palm Grove, Thousand-Palm Canyon, Coachella Valley. Comment
  CAS-BOT-BC438858  Cistanthe monandra Peter H. Raven 1958-5-18 12979 Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  POM10027  Cistanthe monandra Charlotte M. Wilder 1904-5-14 37 Riverside Wilders Canyon, Jurupa Hills, Comment
  POM305378  Clarkia epilobioides Henry J. Ramsey, Henry J. Ramsey 1938-5-4 640 Riverside Elsinore. Comment
  UCR48384  Clarkia epilobioides Steve Boyd 1986-4-22 1768 Riverside Peninsular Range, Temescal Canyon, E side of Indian Wash, south of I-15 Comment
  UCR133435  Clarkia purpurea Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 450 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA759272  Claytonia parviflora Robt Allen, Lorrae Fuentes 2008-4-10 s.n. Riverside San Juan Canyon watershed. Along Bear Canyon Trail, 0.08 air mi. SSE of the trailhead near Ortega Hwy. 628 Comment
  RSA469300  Claytonia perfoliata subsp. perfoliata Dorothy R. Wolf 1932-3-20 6 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  RSA650479  Clematis lasiantha G. Foster 1961-5-12 s.n. Riverside Idyllwild. Comment
  UCR154608  Clematis lasiantha A. C. Sanders, Mike Misenhelter 2005-6-15 31002 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  CHSC1440  Clematis pauciflora E. Thomas 1940-3-10 Riverside San Jacinto foothills. Comment
  CLARK-A1528-1313  Clematis pauciflora Cameron Duncan 1966-3-27 Riverside Woodcrest 548 Comment
  POM48321  Clematis pauciflora E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  SD137655  Clematis pauciflora Darin L. Banks, Steve Boyd 1995-3-16 93 Riverside Cleveland national forest, Agua tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 512 Comment
  RSA374496  Cleome isomeris A. C. Sanders 1985-3-1 5391 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. City of Riverside. 427 Comment
  CLARK-A1528-2205  Coldenia palmeri John C. Roos 1947-2-1 3225 Riverside Painted Canyon Comment
  PASA999  Collinsia bicolor M. Stason, F. Brubaker 5/30 209 Riverside St. John's Grade Comment
  UCR202239  Collinsia concolor Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR43429  Collinsia concolor B. G. Pitzer 1986-5-4 195 Riverside Moreno Badlands, c. 1 mi west of Jackrabbit Trail, along Hwy 60 701 Comment
  RSA394802  Convolvulus arvensis Luther A. Rice 1891-6-1 s.n. Riverside Near Riverside Comment
  RSA522703  Convolvulus simulans Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3890 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
  SD181584  Convolvulus simulans Steve Boyd 2001-4-12 10405 Riverside Santa Ana Mountains-Gavilan Hills Region, Temescal Canyon, terrace escarpment just south of DePalma Road, between Indian Wash and Horsethief Wash. Comment
  SEINET998506  Convolvulus simulans John F. Green 2006-1 Riverside Peninsular Ranges: French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road (Murrieta 7.5' Q) 402 Comment
  RSA191402  Conyza canadensis E. W. Lathrop, R. F. Thorne 1967-9-26 6640 Riverside 6 miles NW of Murrieta. Comment
  POM12407  Cordylanthus nevinii Philip A. Munz 1922-9-7 6408 Riverside Zigzag on trail to Hidden Lake. 2348 Comment
  UCR151096  Cordylanthus nevinii Scott D. White, Julie Greene 1998-8-1 6968 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  SFV13135  Cordylanthus rigidus subsp. setigerus M. J. Thor 1982-9-16 124 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  CAS-BOT-BC101301  Corethrogyne filaginifolia Carl B. Wolf 1932-8-4 3919 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  UC895241  Corethrogyne filaginifolia I. W. Clokey and E. G. Anderson 1935-8-21 6963 Riverside e Keen Camp P.O. 1350 Comment
  UCR90792  Coronopus didymus A. C. Sanders, G. K. Helmkamp 1996-3-17 17975 Riverside Coachella Valley, North Palm Springs (Garnet) I-10 at Indian Ave., north of Garnet Ave. 244 Comment
  RSA0019000  Crassula aquatica Steve Boyd, Gary D. Wallace 2005-7-30 11654 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
  RSA198953  Crassula aquatica R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37460 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  POM294423  Crossosoma bigelovii Lyman Benson 1949-3-28 13563 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  RSA314443  Croton californicus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55430 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA33476  Croton californicus N. C. Cooper 1944-4-21 1141 Riverside Banning 701 Comment
  UCR136187  Croton californicus Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  POM255562  Croton californicus var. mohavensis I. W. Clokey 1935-4-16 6726 Riverside East of Mecca. 200 Comment
  POM319712  Croton californicus var. mohavensis Patricia Wilder 1971-5-13 4938 Riverside Prado Flood Control Basin at base of Prado Dam on small rise, Drainage area Santa Ana River, Flood Plain. 152 Comment
  RSA480569  Croton californicus var. mohavensis Christopher Davidson 1979-4-29 7818 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  RSA0089136  Cryptantha Mitch Provance 2003-4-5 403 -01 Riverside Jurupa Mountains, Sunnyslope neighborhood, east side of Sierra Blvd., north of west end of Lauren Ln., SW of Noname Mtn. 755 Comment
  RSA650996  Cryptantha angustifolia David B. Dunn 1948-3-14 3763 Riverside near Hidden Springs Ranch, 3 miles south of the Indio Hills. Colorado Desert. Comment
  SD237362  Cryptantha angustifolia Dave Silverman 2010-3-30 7879 Riverside UTM in Supplement. East flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Pk, and 4.4 km north of I-10. 174 Comment
  POM3856  Cryptantha barbigera H. M. Hall 1905-4-23 5856 Riverside Canyon Springs Comment
  RSA234106  Cryptantha barbigera R. F. Thorne, R. Carolin 1967-3-21 41636 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA682164  Cryptantha barbigera Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10443 -[A] 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
  UC1063930  Cryptantha barbigera H. S. Yates 1937-3-23 6446 Riverside 15 mi nne Medda; Thermal Quad. 457 Comment
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Apr 6 2011
  UCR75053  Cryptantha barbigera A. C. Sanders, E. J. Lawlor 1992-4-4 12109 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCSB12065  Cryptantha barbigera Dearing, Hugh; Dearing, Margaret 1942-3-1 Riverside Near Cathedral City Comment
  RSA6088  Cryptantha barbigera var. fergusoniae C. B. Wolf 1932-5-25 3676 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  UCR115342  Cryptantha barbigera var. fergusoniae A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16267 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  RSA781396  Cryptantha costata Duncan S. Bell 2010-5-1 912 Riverside Arica Mountains: northwest of mountain range, approximately 6.5 air miles southwest of the ghost town of Rice, and approximately 5 air miles northwest of Priests Well. 339 Comment
  SEINET3005006  Cryptantha costata G. Rink, A. Karl, M. Honer, T. Thomas 2011-4-6 10435 Riverside Ca 5 miles west of Blythe, south fo I-10 and north of the transmission line, on dunes 141 Comment
  UC729691  Cryptantha costata Carl B. Wolf 1932-4-29 Riverside 3 mi s Rice (on Blythe road, e Colorado Desert); Colorado Desert 213 Comment
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Feb 12 2013
  SEINET194039  Cryptantha dumetorum Annie M. Alexander, Louise Kellogg 1941-4-27 2097 Riverside Joshua Tree National Monument ; Riverside and San Bernardino Counties. 1311 Comment
  HSC3605  Cryptantha flavoculata R. A. Eagle 1964-3-28 19 Riverside 5 mi. out of Palm Springs on the Thunderbird Rd. Comment
  GMDRC5516  Cryptantha inaequata J. Andre 2012-3-19 21382 Riverside Palen Mountains: along Palen Pass Rd at Palen Pass 383 Comment
  HSC93133  Cryptantha intermedia Scott D. White 1996-4-14 3926 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  RSA284584  Cryptantha intermedia C. W. Tilforth, B. Busenberg 1980-6-17 1999 Riverside 0.1 mi. in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet. Comment
  RSA594774  Cryptantha intermedia D. L. Banks, Dylan Hannon 1996-5-3 0967 B Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 150 m SE of the Helipad at the upper camp sites., 33 deg 27' 46''N, 116 deg 57' 56'' W 524 Comment
  RSA771785  Cryptantha intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4703 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 W116.65124 604 Comment
  RSA79564  Cryptantha intermedia F. W. Peirson 1913-04 1023 Riverside Whitewater at head of Coachella Valley. Comment
  SD107312  Cryptantha intermedia Norman C. Cooper 1944-4-21 1097 Riverside Banning 700 Comment
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Mar 13 2011
  SD137841  Cryptantha intermedia Darin L. Banks, Steve Boyd 1995-5-3 255 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, East of the Dripping Springs Alcove Area, along the lower alluvial benches ofArroyoSeco 518 Comment
  SD187374  Cryptantha intermedia Scott D. White 2004-5-7 10325 Riverside Indian Creek and adjacent foothills. 548 Comment
  UCR114819  Cryptantha intermedia Mitch Provance, Seychelle Provance 1998-2-21 95 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon. 396 Comment
  UCR214120  Cryptantha intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37726 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
  UCR91393  Cryptantha intermedia Scott D. White 1995-4-5 2710 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  GMDRC6540  Cryptantha intermedia var. intermedia J. M. Andre 2012-6-15 30492 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  SDSU21023  Cryptantha juniperensis A. C. Sanders 2012-4-12 40027 Riverside Peninsular Range: Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 100 m SE of El Hermano Rd. (Lake Mathews 7.5' +/- 100m). Sandy californicus, Bromus diandrus. 314 Comment
  OBI38912  Cryptantha maritima A. C. Sanders, B. Pitzer & D. Charlton, & Kniffen, D. Charlton, & Kniffen 1986-3-3 6121 Riverside Corn Spring, Chuckwalla Mts, wash below the spring and wash and rocky slopes to the south (T6S, R16E, sec 28-projected) 488 Comment
  UCR249503  Cryptantha maritima T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7289 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
  RSA517814  Cryptantha micrantha Steve Boyd, Orlando Mistretta 1986-3-13 1429 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  RSA781651  Cryptantha micrantha Duncan S. Bell 2009-3-8 72 Riverside Arica Mountains: northwest section of mountain range approximately 3.2 air miles northwest of Priest Well, or approximately 6 air miles southwest of the ghost town of Rice. 476 Comment
  UC1178517  Cryptantha micrantha Peter Kamb 1948-7-4 1155 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UCR25966  Cryptantha micrantha var. lepida John C. Roos 1947-5-24 3648 Riverside San Jacinto Mtns, junction of Dark Canyon Camp Road with the Idyllwild - Banning Road 1773 Comment
  UCR116613  Cryptantha micrantha var. micrantha A. C. Sanders 2001-3-20 23840 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, NW corner of intersection of Pierson Blvd. and Atlantic Blvd., between flood control ditch and Pierson, west of high school 335 Comment
  UC1537676  Cryptantha micromeres Gordon H. True Jr. 1935-4-1 198 Riverside Box Springs 365 Comment
  RSA563882  Cryptantha microstachys A. C. Sanders 1993-4-30 13884 Riverside San Bernardino Mtns: Between Cherry Valley and the county line, along Butterfly Road, which joins Wildwood Canyon Road 0.4 miles W of Oak Glen Road. 1100 Comment
  UCR108854  Cryptantha microstachys Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  POM368266  Cryptantha muricata Lester H. Cushman 1933-4-20 s.n. Riverside Corona 274 Comment
  UC1287100  Cryptantha muricata C. L. Hitchcock 1966-3-15 24157 Riverside 1 mi e Glen Ivy Hot Springs Comment
  UCR201641  Cryptantha muricata Scott D. White, Justin M. Wood 2008-6-18 12206 Riverside San Jacinto Mountains, hiking trail from K flat to Apple Canyon Road 1451 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
  RSA0079563  Cryptantha muricata var. jonesii R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38079 -A Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA771786  Cryptantha muricata var. jonesii Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4702 -a 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 W116.65121 604 Comment
  RSA0079251  Cryptantha muricata var. jonesii Steve Boyd 1995-4-24 8476 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  RSA0079562  Cryptantha muricata var. jonesii C. B. Wolf 1932-8-6 s.n. Riverside Roadside 2.9 mi From Idyllwild on the road to Hemet. San Jacinto Mts. 1220 Comment
  UC24725  Cryptantha pterocarya W. G. Wright 1889-1 1764 Riverside Colorado Desert Comment
  JEPS67814  Cryptantha racemosa W. L. Jepson 1927-4-12 11675 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  SEINET12280890  Cryptantha racemosa L. S. Rose 1938-1 38338 Riverside 12 mi SW of Cathedral City, Palms to Pines Hwy, San Jacinto Mts 457 Comment
  JOTR16629  Cryptantha utahensis Liska, K. and Leary, Pat 1975-3-11 958 Riverside Joshua Tree National Park. WEST WIDE CANYON 609 Comment
  RSA234105  Cryptantha utahensis R. F. Thorne, R. Carolin 1967-3-21 41635 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA339324  Cryptantha utahensis R. F. Thorne, C. W. Tilforth 1980-5-28 54206 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  UCR77763  Cucurbita foetidissima Steve Boyd 1991-9-8 6431 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  SEINET3082945 Image available Cucurbita palmata C. M. Flanagan 1971-5-23 Riverside On the shoulder of 2 mile road, 29 Palms. Comment
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Mar 26 2014
  UC729459  Cucurbita palmata Carl B. Wolf 1932-4-27 2989 Riverside 14 mi e Mecca (on Blythe Rd, e of Shavers Well); Colorado Desert 152 Comment
  SDSU16680  Cuscuta californica var. californica Francis H. Bozzolo 2006-4-16 4 Riverside Santa Margarita Ecological Reserve, southern end, NNW of residence building, slope immediately behind avocado grove between 2 gullies. 229 Comment
  CAS-BOT-BC224601  Cuscuta californica var. papillosa H. Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  SEINET13276696 Image available Cuscuta californica var. papillosa Mitch Provance 2012-1 712 -05 Riverside Colorado Desert: Thousand Palms Canyon Road, +-2/3 of the way up into the canyon. (Myoma 7.5' Q.) 140 Comment
  LA210107  Cuscuta subinclusa Louis C. Wheeler; 1933-12-1 2284 Riverside San Gorgonio wash at S. P. RR, San Gorgonio Pass 640 Comment
  LA210111  Cuscuta subinclusa Joseph Andorfer Ewan; 1932-7-9 7497 Riverside Santa Ana River at jct. with Chino Creek Comment
  RSA572986  Cyclospermum leptophyllum Steve Boyd 1986-4-18 1691 Riverside U. C. Riverside Campus: West side of statistics computer building. Comment
  UCR260530  Cylindropuntia californica var. parkeri T. B. Salvato 2014-5-29 8039 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  SEINET11038799  Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18297 .1 Riverside Chuckwalla Mountains: 4.1 km WNW of Corn Spring, NE of Aztec Well, 71 km west of central Blyth. Corn Springs 7.5 834 Comment
  UCD169559  Cylindropuntia prolifera John F. Green 2006-5-2 s.n. Riverside Unincorporated area along San Diego Aqueduct Corridor, 1 km due W of Skunk Hollow, between Nicholas Rd. and Borel Rd., E of Murrieta Hot Springs. 421 Comment
  CLARK-A1528-1432  Cymopterus panamintensis var. acutifolius John C. Roos 1948-5-15 3842 Riverside Eagle Mountains Comment
  JOTR32384  Cynodon dactylon La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2491 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  SD187314  Cynodon dactylon Scott D. White, Angelia Carey 2004-4-16 10167 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  HSC100854  Cynodon dactylon J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-12 12751 Riverside Lawn at Casa del Diablo property. Comment
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Aug 16 2015
  RSA522103  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3796 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  CAS-BOT-BC114798  Cyperus involucratus A. C. Sanders; G. Helmkamp 1996-3-17 17981 Riverside Coachella Valley: Palm Springs, Tahquitz Cyn, in vicinity of the debris basin, 182 Comment
  UCR176958  Cyperus involucratus D. L. Banks, E. H. Banks 1996-5-2 0949 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  POM10386  Cyperus laevigatus F. M. Reed 1905-10-29 836 Riverside Chinatown ford on Santa Ana River. [Riverside, crossing of river below the old Chinatown site in lower Arroyo Tequesquite] Comment
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Oct 10 2009
  RSA719784  Cyperus squarrosus Naomi Fraga, et al. 2006-7-11 1724 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  CAS-BOT-BC70572  Cystopteris fragilis Carl B. Wolf 1932-8-5 3974 Riverside San Jacinto Mts., summit of San Jacinto Peak 3293 Comment
  CSUSB1282  Dalea californica Tony Beck 1968-4-28 680428 5 Riverside Colorado Desert West Colorado Desert. 4 miles south of trout farm on Whitewater Canyon Road. About 100 yards east of the road in dry, sandy soil. 548 Comment
  SEINET3004993  Dalea mollis G. Rink, M. Baker 2011-4-3 10421 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 170 Comment
  UC472707  Dalea mollis M. F. Spencer 1921-3-24 Riverside Mecca Colorado Desert, Mecca Comment
  JOTR35379  Dalea mollissima Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 168 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  POM211572  Dalea mollissima P. A. Munz 1941-3-5 16692 Riverside SE of Iron Mts. Comment
  UCR244311  Dalea mollissima Jim Andre 2012-4-15 20849 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  RSA0106890  Datura wrightii Daphne K. Christopher, Hannah Stevens 2003-4-4 94 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  RSA33373  Datura wrightii N. C. Cooper 1943-9-10 905 Riverside Banning. 610 Comment
  UCR87610  Daucus pusillus A. C. Sanders 1994-5-30 14599 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  CAS-BOT-BC294118  Deinandra kelloggii Mary F. Spencer 1919-6-17 1192 Riverside In San Jacinto 304 Comment
  RSA703535  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -143 Riverside Moreno Vallaey, along Allesandro St. near Merwin St. intersection. 487 Comment
  SBBG104030  Deinandra kelloggii A. C. Sanders 1993-5-17 14063 Riverside S side of Florida Ave (Hwy 74) on E side of California Ave; Hemet 460 Comment
  SD232184  Deinandra mohavensis V. Soza, Steve Boyd, Neil Gilbert 2000-12-6 1067 b Riverside Peninsular Ranges, San Jacintio Mountains region: McCall Memorial Park Campground. 1310 Comment
  UC69877  Deinandra paniculata C. M. Wilder 1905-7-10 127 Riverside Jurupa Hills Comment
  POM14168  Delphinium parishii P. A. Munz, D. D. Keck 1922-4-9 4904 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 762 Comment
  RSA0020479  Delphinium parishii subsp. parishii N. C. Cooper 1944-4-8 1070 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  SD128263  Delphinium parishii subsp. subglobosum R. Mitchel Beauchamp 1971-5-16 2426 Riverside Santa Rosa Mountains, north side among shrubs, Ribbonwood. 1175 Comment
  UCD96277  Delphinium parryi H. Lewis 1941-7-7 s.n. Riverside Lake Hemet. Comment
  CAS-BOT-BC121427  Delphinium parryi subsp. parryi H. Lewis 1941-7-7 s.n. Riverside Lake Hemet Comment
  SD144438  Delphinium parryi subsp. parryi Scott D. White 1997-5-25 5230 Riverside Bautista Canyon: Hixon Trail between trailhead at Bautista Canyon Road and intermittent stream crossing 975 Comment
  RSA0080671  Delphinium patens E. Crow 1929-4-7 307 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  RSA0029900  Delphinium patens subsp. montanum Justin M. Wood 2009-5-11 681 Riverside Hwy 243 near Ranger Peak, roadside. 1433 Comment
  UCR8150  Delphinium patens subsp. montanum B. Freeman 1969-6-19 690619- 5 Riverside San Jacinto Mtns, James Reserve 1646 Comment
  UCR35067  Dendromecon rigida L. B. Ziegler 1968-3-27 269 Riverside San Jacinto Mountains, upper Poppet Flats Rd., on Dry Mountain ridge 976 Comment
  CAS-BOT-BC198173  Deschampsia danthonioides A. C. Sanders 1993-5-12 13998 Riverside Hemet, SW corner of the intersection of Florida Ave. (Hwy. 74) and Warren Rd., between the New San Diego Aqueduct and Warren 457 Comment
  SD232142  Deschampsia danthonioides Scott D. White, Justin M. Wood 2009-5-21 12855 Riverside San Jacinto mountains, Garner Valley, near abandoned duck ponds, South of Quinn Flat. Comment
  UCR85536  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 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
  UC336791  Deschampsia elongata J. G. Lemmon 1888-4-14 Riverside Elsinore Comment
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Feb 4 2013
  OBI23316  Descurainia Robert F. Hoover 1969-4-14 11241 Riverside Palm Springs, just S of South city limit Comment
  RSA773188  Descurainia pinnata subsp. halictorum Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4899 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  UCR225590  Dichelostemma capitatum A. C. Sanders, T. B. Salvato 2011-3-29 38882 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  RSA586152  Dichelostemma capitatum subsp. capitatum Darin L. Banks, Steve Boyd 1995-3-30 114 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 713 Comment
  SD133245  Dichelostemma capitatum subsp. capitatum Scott White 1991-5-13 91 106 Riverside Highway 79, immediately west of U.S. Forest Service Campground at Dripping Springs; Vail USGS quad. 548 Comment
  RSA367461  Dichelostemma capitatum subsp. capitatum H. Twining 1890-04 s.n. Riverside [No locality information provided] Comment
  POM184344  Dicoria canescens Thos. Craig 1932-1-10 1794 Riverside In Wash, Cathedral Canyon, Colorado Desert. 122 Comment
  RSA0106719  Dicoria canescens Duncan S. Bell, Amanda Turek 2010-1-30 535 Riverside Arica Mountains; within the Palen/McCoy Wilderness area; collecting in large drainage on the west side of the range. 434 Comment
  UC102026  Dicoria canescens C. R. Orcutt 1891-11-1 Riverside Colorado Desert Comment
  UCR89870  Dicoria canescens George K. Helmkamp 1994-3-8 41 10 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  RSA0019275  Dimorphotheca fruticosa Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  CAS-BOT-BC150929  Diplacus bigelovii var. bigelovii H. M. Hall 1905-5-1 6011 Riverside Cottonwood Springs 670 Comment
  RSA0019292  Diplacus brevipes Duncan S. Bell, Joy D. England 2010-6-7 1270 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 780 Comment
  RSA0019287  Diplacus brevipes Christopher Davidson 1975-6-16 2812 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  RSA0019293  Diplacus brevipes Noel Holmgren, Liew Fah Seong 1969-6-17 3583 Riverside County road R1, at Black mountain turnoff, 8.5 mi. north of Idyllwild. Comment
  OBI9551  Diplacus clevelandii H. E. McMinn 1946-8-25 5523 Riverside From potted plant grown from seed collected in Santa Ana Mts, western Riverside County in 1945 Comment
  RSA0019407  Diplacus fremontii Mary F. Spencer 1922-6-15 375 Riverside Prope [near] Idyllwild, San Jacinto Mt. Comment
  CAS-BOT-BC150672  Diplacus longiflorus Steve Boyd 1986-4-22 1749 Riverside Temescal Canyon: just south of Interstate 15 Comment
  SEINET14453131  Diplacus longiflorus C. L. Hitchcock 1940-1 6044 Riverside 8 miles northwest of Elsinore 457 Comment
  CAS-BOT-BC195676  Distichlis spicata H. S. Yates 1937-6-27 20940 Riverside Near Relief Hot Springs Comment
  SEINET2055757 Image available Ditaxis lanceolata B. Pitzer 1998-1-24 3385 Riverside N foot of Chuckwalla Mts. Eagle Mt. Rd, AS. Side of highway 1-10, 0.8 mi S of Hwy powererline rd, & wash directly S of rd. 500 Comment
  SEINET3004975  Ditaxis lanceolata G. Rink 2011-3-30 10401 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  SEINET3350031  Ditaxis neomexicana Stephen Hale 2012-1 4814 Riverside Black Point Mesa, Big Maria Mts., 0.25 mi. W SR 95, 15 Mi. N Blythe. 1850 Comment
  RSA753545  Dodecahema leptoceras M. Wall 2009-5-15 510 Riverside Bautista Creek off Bautista Canyon Rd. ca. 8.25 miles SE of jct. with Fairview Ave. 757 Comment
  UCR281563  Dodecahema leptoceras Mitch Provance, Matt K. Beyers 2017-6-8 617- 80 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. 366 Comment
  CLARK-A1528-3836  Dodecatheon clevelandii John C. Roos 1952-2-29 5370 Riverside Box Springs Mountains 457 Comment
  RSA462211  Dodecatheon redolens F. W. Peirson 1924-7-27 4999 Riverside Deer Springs, San Jacinto Mountains. Comment
  UCSB25311  Dodecatheon redolens Gliessman, Stephen 1968-7-11 Riverside Boggy Meadows, 1.4 miles north of Deer Springs Camp, San Jacinto Mountains. 2804 Comment
  IRVC135  Dryopteris arguta Debbi DeVault 1965-4-24 HS 531 Riverside Highway 74; 1/4 mile SE of Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  RSA526509  Dryopteris arguta Steve Boyd, Timothy S. Ross 1990-5-11 4703 B Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA783269  Dryopteris arguta J. D. Olmsted 1959-4-23 460 Riverside Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona. 732 Comment
  UCR16119  Dudleya saxosa B. A. Carlson 1978-4-30 s.n. Riverside Santa Rosa Mtns, 5 mi. south of Palm Desert, east of Hwy 74 396 Comment
  UCR55897  Dudleya saxosa J. A. Adams 1965-4-17 123 Riverside Sonoran (Colorado) Desert, Hwy 111, 2 mi east of Palm Springs near foothills 244 Comment
  CAS-BOT-BC109607  Dudleya saxosa subsp. aloides Carl B. Wolf 1937-4-5 8414 Riverside San Gorgonio Pass, 1 mile west of Whitewater. 365 Comment
  CAS-BOT-BC109613  Dudleya saxosa subsp. aloides D. A. Johansen; J. A. Ewan 1932-4-10 7062 Riverside Warners Ranch at Whitewater Western Colorado Desert. Comment
  JOTR31093  Dudleya saxosa subsp. aloides La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2340 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Cobble toe slopes at the base of Ryan Mountain, north end of Lost Horse Hills (Stop 3) Comment
  RSA201898  Dudleya saxosa subsp. aloides W. L. Jepson 1914-05 6011 Riverside W slope beyond Pinyon Well, N of Indio, Lookout Mt. Comment
  RSA303443  Dudleya saxosa subsp. aloides J. R. Shevock 1971-5-8 1036 Riverside White Tank, Joshua Tree National Monument. 1021 Comment
  RSA397787  Dudleya saxosa subsp. aloides Ora M. Clark 1929-2-22 1548 Riverside N. Whitewater. Comment
  RSA736650  Echinochloa oryzicola Justin M. Wood 2008-7-16 36 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  UCR26443  Eclipta prostrata A. C. Sanders 1981-10-31 2394 Riverside McKinley St. between Riverside & Corona, 0.3 mi north of Hwy 91 & c. 100 yards west of McKinley 305 Comment
  SEINET3386355 Image available Ehrharta longiflora Thomas Jay Chester 2005-4-20 581 Riverside Peninsular Ranges; Santa Ana Mountains region; Santa Margarita Ecological Reserve: Temecula Gorge, south side 239 Comment
  POM11870  Elatine brachysperma P. A. Munz, I. M. Johnston 1922-5-19 5569 Riverside Menifee Valley. 427 Comment
  SD204871  Elatine californica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-6-5 55207 Riverside Peninsular Ranges; Santa Ana Mountains region: Southwest of Murrieta. Santa Rosa Plateau, Mesa de la Punta near southern edge of plateau, approached from De Luz road. 579 Comment
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Mar 31 2015
  UC1536019  Elatine chilensis Robert F. Thorne and Earl Lathrop 1975-5-25 45546 Riverside Mesa de Burro Santa Rosa Plateau (Rancho California) Comment
  UCR110455  Elatine chilensis D. E. Bramlet 1998-4-22 2605 Riverside Perris-Aguanga Basin region, French Valley area, 305m east of Washington Road and 10m north of Rawson Road, 6m west of the San Diego Canal. 447 Comment
  UCR185172  Eleocharis bella Naomi Fraga, Et al. 2006-7-11 1727 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  UCR225160  Eleocharis bella Steve Boyd, Gary Wallace 2005-7-30 11646 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  SD204751  Eleocharis macrostachya R. F. Thorne, E. W. Lathrop, et al. 1982-6-5 55212 Riverside Santa Ana Mountains region: Southwest of Murrieta. Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached from De Luz road. 579 Comment
  RSA199000  Eleocharis parishii Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37454 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  RSA699627  Ellisia chrysanthemifolia Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  RSA0050592  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35940 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. In open disturbed area along road 5S02. 1402 Comment
  SD136962  Elymus condensatus Steve Boyd 1992-6-10 7632 Riverside 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 671 Comment
  UCR202435  Elymus elymoides Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UC38181  Elymus elymoides subsp. elymoides H. M. Hall August 1901 2601 Riverside Tamarack Valley San Jacinto Mountains 2529 Comment
  UCR133392  Elymus glaucus Tracy Tennant, T. B. Salvato 1998-6-23 481 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  RSA754125  Elymus trachycaulus W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 16 Riverside Idyllwild: Skunk Cabbage Meadow. 2449 Comment
  RSA594781  Emmenanthe penduliflora D. L. Banks, Dylan Hannon 1996-5-3 975 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  RSA699663  Emmenanthe penduliflora Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  UCR174107  Emmenanthe penduliflora A. C. Sanders 2006-5-19 32424 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
  POM97137  Emmenanthe penduliflora P. A. Munz 1925-5-20 9834 Riverside 2 miles W of Dripping Spring. 427 Comment
  JOTR34010  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding 2010-4-7 2898 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA673474  Encelia actoni Scott D. White, Tasha La Doux 2000-4-20 7711 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UCR150016  Encelia actoni Scott D. White, Angelia Carey 2004-4-16 10165 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  CAS-BOT-BC131317  Encelia farinosa Alice Eastwood 1913-4-30 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC131341  Encelia farinosa C. L. Hitchcock; C. V. Muhlick 1964-3-17 23077 Riverside 8 miles s.e. of Corona, along road to Elsinore Comment
  UC135052  Encelia farinosa C. F. Baker 1903-4-4 4151 Riverside Elsinore Comment
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Feb 2 2013
  UC895515  Encelia farinosa I. W. Clokey and B. C. Templeton 1930-4-9 4687 Riverside n of Palm Springs; Colorado Desert Comment
  UCR227183  Encelia farinosa Jim Andre 2011-2-9 15933 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
  POM356676  Encelia farinosa var. farinosa Norman C. Cooper 1944-4-8 1094 Riverside Andreas Canyon. 305 Comment
  JOTR37056  Encelia frutescens Hodges, Stephen R., E. Heck and A. Ingersoll 2015-9-24 611 Riverside Joshua Tree National Park. Pinto Basin, in sandy wash running west from Pinto Wells at the base of sand ramps and the Eagle Mountains Comment
  RSA383799  Ephedra aspera E. C. Jaeger 1922-3-25 701 Riverside Murray Canon, Colorado Desert of California. 366 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
  LA6769  Ephedra californica J. A. Ewan; 1932-4-8 7047 Riverside San Bernardino Mountains, Whitewater Canyon, about 3 mi above mouth Comment
  OBI7473  Ephedra californica Lewis S. Rose 1955-3-14 55028 Riverside Whitewater wash, 3 mi SE of Palm Springs Station 305 Comment
  RSA33305  Ephedra californica N. C. Cooper 1943-10-3 940 Riverside Cabazon, Alkali flat. 610 Comment
  RSA383871  Ephedra californica M. B. Dunkle 1932-3-25 2874 Riverside Cabazon, Colorado Desert. Comment
  RSA85169  Ephedra californica F. W. Peirson 1925-4-17 6021 Riverside Cabazon, San Gorgonio Pass. Comment
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Mar 13 2011
  RSA0048549  Ephedra nevadensis Elwood Fordham 1951-5-20 s.n. Riverside Palms to Pines Hi-way. 1158 Comment
  HSC88285  Ephedra trifurca Elizabeth Neese 1979-4-11 7108 Riverside 3 mi. S of Rue, 40 mi. NW of Blythe Comment
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Jul 8 2010
  UCR129332  Epilobium canum subsp. latifolium P. A. Munz 1946-10-20 11583 Riverside Cottonwood Mtns., Cottonwood Springs, Joshua Tree National Monument 915 Comment
  UCR54427  Epilobium canum subsp. latifolium A. C. Sanders, E. J. Lawlor 1988-10-22 8734 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  SEINET7067557 Image available Epilobium ciliatum A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. Coordinate datum: NAD27. Comment
  UCR202612  Epilobium ciliatum Scott D. White, Justin M. Wood 2008-7-9 12424 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  UCR3530  Epilobium ciliatum Frank C. Vasek 1964-6-24 640624- 01 Riverside City of Riverside, University of California Riverside campus. Life Science greenhouse. 335 Comment
  UCR94929  Epilobium ciliatum Scott D. White 1996-8-15 4464 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  UCSB4330  Epilobium ciliatum Kamb, Peter 1949-10-30 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  SBBG60174  Epilobium ciliatum subsp. ciliatum R. Hoffmann 1929-9-5 Riverside Tahquitz Valley 2438 Comment
  RSA557313  Epilobium pygmaeum Julie Greene, Steve D. Boyd, Dave Bramlett, Hilda Flores, Helga Ochoterana 1993-7-9 1413 Riverside San Jacinto Wildlife Area: from the edge of drying flood area. 433 Comment
  UC1951165  Epipactis gigantea Scott D. White, Justin Wood 2009-5-22 12928 Riverside SAN JACINTO MOUNTAINS: Halfway Spring, accessed via Old Control Road. USGS Blackburn Canyon 7.5' Quad. Comment
  UCR207343  Eragrostis O. F. Clarke 2004-8-18 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CAS-BOT-BC204487  Eragrostis cilianensis S. B. Parish 1913-2-7 8442 Riverside Salton Basin. Mesa near Mecca -60 Comment
  CLARK-A1528-3221  Eremalche exilis John C. Roos 1949-3-19 4115 Riverside Indio Comment
  UCR166193  Eremalche exilis Nathan Moorhatch, John F. Green, Ted Rado 2005-4-19 s.n. Riverside Sonoran (Colorado) Desert, Desert Hot Springs, Desert Dunes Golf Course (SW corner) just east of Palm Ave. Approximately 0.5 miles north-east of Seven Palms Ranch 226 Comment
  SD113836  Eremalche rotundifolia Darley F. Howe 1949-3-21 1972 Riverside 5.0 miles west of Blythe. Comment
  RSA58864  Eremogone ferrisiae P. A. Munz, Percy C. Everett 1950-6-23 14917 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA799242  Eremothera refracta Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 750 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  CAS-BOT-BC514313  Eriastrum densifolium subsp. austromontanum Scott D. White 1996-8-1 4403 Riverside San Jacinto Mts.: Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area 1828 Comment
  RSA0104868  Eriastrum densifolium subsp. austromontanum Scott D. White, Duayne Haselfeld 1996-7-2 4259 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
  SD229215  Eriastrum densifolium subsp. austromontanum Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 641 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  CAS-BOT-BC514307  Eriastrum densifolium subsp. austromontanum H. M. Hall 1901-7-1 2384 Riverside San Jacinto Mountains 1584 Comment
  JOTR32371  Eriastrum diffusum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2483 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  SEINET3087450 Image available Eriastrum eremicum B. Pitzer 1986-5-24 233 Riverside Whitewater Canyon, ca. 5 mi N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 0.25 mi N of hatchery boundary. 7.5' quad. 732 Comment
  RSA0120080  Eriastrum eremicum subsp. eremicum R. F. Thorne, C. W. Tilforth 1980-5-28 54248 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  CAS-BOT-BC514468  Eriastrum eremicum subsp. eremicum John Thomas Howell 1931-6-4 6647 Riverside San Gorgonio Pass Comment
  CAS-BOT-BC514472  Eriastrum eremicum subsp. eremicum Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA715195  Eriastrum filifolium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32626 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
  SD45397  Eriastrum filifolium Herbert L. Mason 1926-5-2 3200 Riverside Temecula Valley Comment
  RSA0120678  Eriastrum harwoodii Duncan S. Bell 2012-4-5 3311 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. In the vicinity of the Desert Lily Sanctuary. 160 Comment
  UC52480  Eriastrum sapphirinum H. M. Hall 1896-8-27 329 Riverside San Jacinto Mountains 1584 Comment
  UCR21135  Eriastrum sapphirinum 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
  UCR69997  Eriastrum sapphirinum Scott D. White 1991-9-17 91- 53 Riverside Peninsular Range, W side of lake Elsinore at the S foot of the Ortega Hwy (Hwy 74). 427 Comment
  UCR121234  Eriastrum sapphirinum subsp. ambiguum Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2271 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  OBI11547  Eriastrum sapphirinum subsp. dasyanthum R. F. Hoover 1968-6-7 11159 Riverside Hemet, Head of St. Johns Canyon, south of Hemet. 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
  UC36548  Ericameria linearifolia H. M. Hall 1899-5-23 1140 Riverside Kenworthy San Jacinto Mountains, Kenworthy (opening to desert, among rocks) 1219 Comment
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Mar 25 2011
  LA204641  Ericameria nauseosa H. Lewis; 1939-10-22 1035 Riverside San Jacinto Mountains, Hemet Lake Comment
  JEPS21393  Ericameria paniculata W. L. Jepson 1916-5-18 6031 Riverside n of Indio (County Well, n side of Colorado Desert); Colorado Desert, Conchilla Mts. Comment
  UC1279785  Ericameria paniculata W. G. Langenberg 1963-5-19 5 a Riverside near Palm Springs; Long Canyon Comment
  UC640280  Ericameria paniculata H. and M. Dearing 1939-11-11 4024 Riverside e of Banning (w edge of Colorado Desert); Colorado Desert Comment
  POM49138  Erigeron foliosus Mary F. Spencer 1919-6-25 1269 Riverside San Jacinto Moutains: Idyllwild. 1616 Comment
  CAS-BOT-BC296239  Erigeron foliosus var. foliosus Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UC1929909  Erigeron foliosus var. foliosus Scott D. White 2004-4-26 10243 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  UCR111988  Eriochloa aristata A. C. Sanders, T. B. Salvato 2000-4-27 23375 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
  UC70944  Eriochloa aristata var. aristata E. E. Schellenger 1905-12-1 5 Riverside Colorado Desert, Colorado River Colorado River; Colorado Desert, Colorado River Comment
  UC748986  Eriodictyon crassifolium Susan Delano McKelvey 1935-12-3 5027 Riverside Palms to Pines Highway top of divide leading down to Hemet; San Jacinto Mts., Palms to Pines Highway Comment
  RSA0056443  Eriodictyon crassifolium var. crassifolium Norman C. Cooper 1944-5-6 1170 Riverside Banning. 701 Comment
  RSA663306  Eriodictyon trichocalyx var. trichocalyx Mitch Provance 1998-6-12 701 Riverside Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  RSA0034268  Eriogonum John F. Emmel 1982-11-10 836 Riverside Ramona Expressway, at south edge of the Bernasconi Hills, near Lake Perris. 487 Comment
  CAS-BOT-BC248623  Eriogonum apiculatum Ralph Hoffmann 1929-9-5 s.n. Riverside Strawberry Valley, San Jacinto Mts. 2133 Comment
  RSA393051  Eriogonum apiculatum N. R. Zabriskie, Walter M. Zabriskie 1969-9-20 234 Riverside Forest Service road to Deer Springs Trail beyond end of road up west bank Strawberry Creek, above Fern Valley Corners, Idyllwild 1982 Comment
  RSA698422  Eriogonum apiculatum J. R. Bruff 1934-6-19 539 Riverside Palms and Pines Hwy. Comment
  SEINET4560254  Eriogonum apiculatum Louis Wheeler 1945-1 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  RSA639582  Eriogonum davidsonii Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53569 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains. 1098 Comment
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Apr 25 2011
  RSA393275  Eriogonum deflexum var. baratum E. C. Jaeger 1922-3-16 s.n. Riverside Painted canyon, near Mecca. 91 Comment
  CAS-BOT-BC256132  Eriogonum deflexum var. deflexum John Thomas Howell 1928-11-4 4083 Riverside Hidden Spring Canyon at Hidden Spring, 13 miles se. of Mecca, Chocolate Mts. Comment
  POM8641  Eriogonum deflexum var. deflexum P. A. Munz, R. D. Harwood 1920-4-8 3570 Riverside Ford's Well west of Blythe. Comment
  CAS-BOT-BC249902  Eriogonum fasciculatum var. flavoviride D. A. Johansen; J. A. Ewan 1932-4-11 7087 Riverside Martinez Canyon, Santa Rosa Mts. 365 Comment
  CAS-BOT-BC249951  Eriogonum fasciculatum var. foliolosum Elizabeth McClintock 1964-4-8 s.n. Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  LA206857  Eriogonum fasciculatum var. foliolosum A. M. Johnson; 1932-4-23 4027 Riverside San Jacinto Mountains, along road Comment
  RSA32416  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1943-9-11 913 Riverside San Jacinto Mountains, Below Idyllwild. 1372 Comment
  CAS-BOT-BC250141  Eriogonum fasciculatum var. polifolium Carl B. Wolf 1932-5-24 3644 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1/2 mi. below fish hatchery 548 Comment
  RSA393347  Eriogonum fasciculatum var. polifolium N. C. Cooper 1949-6-29 4305 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  SD93053  Eriogonum fasciculatum var. polifolium W. Bertsch 1954-5-1 530 Riverside Road from Banning to Idlewild 914 Comment
  UCSB1429  Eriogonum gracile Munz, Philip; Johnston, D. 1928-9-12 Riverside Temescal Cyn Comment
  RSA393248  Eriogonum gracile var. gracile N. C. Cooper 1944-7-15 1549 Riverside Banning. 701 Comment
  UCR117618  Eriogonum gracile var. gracile Scott D. White 1997-5-25 5247 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  RSA0104490  Eriogonum gracile var. incultum Duncan S. Bell 2015-9-30 8665 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UCR234757  Eriogonum gracile var. incultum A. C. Sanders, John F. Green 2012-6-25 40312 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 387 Comment
  CAS-BOT-BC263118  Eriogonum maculatum C. L. Hitchcock 1940-4-3 5939 Riverside 1 1/2 miles northeast of Cottonwood Springs along 29 Palms Road, Joshua Tree National Monument Comment
  CAS-BOT-BC270589  Eriogonum molestum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  RSA487230  Eriogonum molestum James L. Reveal, C. Rose Broome 1987-6-27 6605 Riverside San Jacinto Mountains, along California Highway 243, 0.4 mile northwest of Lake Fulmor, about 13.8 miles northwest of Idyllwild. 1601 Comment
  JOTR35312  Eriogonum nudum var. pauciflorum Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. large wash about 1 mile SW of Eureka Peak. 1380 Comment
  CAS-BOT-BC258239  Eriogonum pusillum John Thomas Howell 1928-3-9 3388 Riverside East end of bridge at Whitewater, Colorado Desert 396 Comment
  POM310394  Eriogonum pusillum Margaret Hardinge 1946-4-29 267 Riverside Along road to 29 Palms just before getting into Morongo Valley- to the south. 396 Comment
  RSA342543  Eriogonum pusillum Robert F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54087 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  UCR115353  Eriogonum pusillum A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16211 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
  CAS-BOT-BC253012  Eriogonum reniforme Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  CAS-BOT-BC253020  Eriogonum reniforme L. R. Abrams 1926-3-26 11056 Riverside Palm Springs to Palm Canyon Comment
  JOTR32487  Eriogonum saxatile La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2468 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
  CDA23010  Eriogonum thomasii G. D. Barbe, T. C. Fuller 1973-2-27 1047 Riverside 0.2 miles east of Coachella Canal on S.R. 195. Box Canyon Wash. 0 Comment
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Jul 14 2016
  RSA314676  Eriogonum thomasii Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55503 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
  RSA777533  Eriogonum thomasii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 907 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SJSU8836  Eriogonum thomasii R. C. McGehee 1970-4-15 196 Riverside Wileys Well c. 26 mi SW of Blythe Comment
  UC1595720  Eriogonum thomasii W. Wisura, J. Dolan, M. Wall 1992-3-24 4617 Riverside on Box Canyon Rd. 4.7 mi ne Mecca Comment
  UCR251904  Eriogonum thomasii Jim Andre 2013-3-27 24828 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  UCSB1538  Eriogonum thomasii Haller, John 1960-4-2 Riverside north base of Orocopia Mtns; 1.3 miles south of the junc. of US 60-70 and the south entrance road to Joshua Tree Nat. Mon 487 Comment
  CAS-BOT-BC262869  Eriogonum thurberi Peter H. Raven; Sidney R. Snow 1956-6-30 9542 Riverside 1.7 miles west of Dripping Springs Guard Station on road to Temecula Comment
  POM122954  Eriogonum thurberi Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Colorado Desert. Comment
  UC205982  Eriogonum thurberi Jenkins and Street 1917-5-30 1954 Riverside San Jacinto River Comment
  JEPS56822  Eriogonum trichopes W. L. Jepson 1927-4-12 11642 Riverside Painted Canyon Mecca Hills, Painted Canyon 76 Comment
  UC472771  Eriogonum trichopes M. F. Spencer Apr 1922 Riverside Palm Springs Colorado Desert, Palm Springs 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
  RSA0029410  Eriogonum wrightii var. membranaceum John F. Emmel 1995-9-24 1391 Riverside Santa Rosa Mts: open area on flat ridge top 0.9-1.0 air mi ESE of Toro Peak. 2287 Comment
  CAS-BOT-BC261783  Eriogonum wrightii var. nodosum Frank W. Peirson 1922-12-27 3333 Riverside Andreas, between Forks, East slope San Jacinto Comment
  CAS-BOT-BC261930  Eriogonum wrightii var. subscaposum S. B. Parish; W. F. Parish 1880-8-1 595 Riverside San Jacinto Mts Comment
  JOTR30286  Erioneuron pulchellum La Doux, Tasha, Bill Truesdell 2006-10-3 1781 Riverside Joshua Tree National Park. Pinto Basin: (Stop 2) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 694 Comment
  IRVC29077  Eriophyllum confertiflorum June Latting 1979-5-4 s.n. Riverside Harford Springs County Park Gavilan Hills 610 Comment
  POM357967  Eriophyllum confertiflorum Norman C. Cooper 1944-7-15 1600 Riverside Palms to Pines Hwy. 1220 Comment
  RSA525428  Eriophyllum confertiflorum Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4537 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UCR121  Eriophyllum confertiflorum Frances Miller 1964-5-5 M 6427 Riverside 20' below RR tracks at base of Box Springs Mtns, near end of Big Springs Rd. 381 Comment
  UCR34970  Eriophyllum confertiflorum L. B. Ziegler 1967-5-18 133 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  UCR98208  Eriophyllum confertiflorum B. G. Pitzer 1997-4-1 3051 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  LA203542  Eriophyllum confertiflorum var. confertiflorum W. Pequegnat; 1938-4-15 sn Riverside Santa Ana Mountains, Bear Springs Comment
  UC1118348  Eriophyllum confertiflorum var. confertiflorum C. Van Fleet 1931-1-24 8 Riverside ne of Oak Mountain; San Jacinto Quadrangle 731 Comment
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Nov 27 2011
  HSC85326  Eriophyllum multicaule Steve Boyd 1986-4-2 1638 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  POM12942  Eriophyllum multicaule P. A. Munz, I. M. Johnston 1922-5-19 5345 Riverside 5 miles NE of Murietta. 457 Comment
  POM29805  Eriophyllum multicaule Marcus E. Jones 1882-5-27 s.n. Riverside San Jacinto Mts. Comment
  UCR226059  Eriophyllum multicaule A. C. Sanders, Nathan Moorhatch 2011-3-22 38776 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  RSA651095  Eriophyllum wallacei Harold Lint 1958-5-25 2038 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  SD124900  Eriophyllum wallacei Scott Cantrell 1986-3-28 91 Riverside Desert Hot Springs, near Highway 62 and Indian Ave. 519 Comment
  UCR196011  Eriophyllum wallacei R. F. Thorne, M. Z. Thorne 1973-3-30 42687 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  RSA757736  Erodium cicutarium LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4311 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
  UCD103199  Erodium cicutarium Barry Priggs; L. Martinez 1978-3-23 2400 Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of North Palm Springs on Dillon Rd. 274 Comment
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Sep 9 2013
  UC63848  Erodium macrophyllum H. M. Hall 1897-5-4 523 Riverside Alice Mine Comment
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Jun 2 2012
  RSA183396  Erodium texanum C. L. Hitchcock 1966-3-20 24308 Riverside 30 miles north of Ogilby, along road to Blythe. Comment
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Feb 21 2013
  CAS-BOT-BC54339  Erysimum capitatum Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9659 Riverside 6 miles form Pinon Flat Public Camp on road to Hemet on State Highway #74. Comment
  RSA0016059  Erythranthe breweri Gary D. Wallace 2003-7-8 4036 Riverside Hidden Lake. Comment
  RSA0020065  Erythranthe guttata Philip A. Munz 1937-5-30 15098 Riverside North of Vandeventer Flat, Santa Rosa Mountain 1677 Comment
  RSA0014887  Erythranthe tilingii Carl B. Wolf 1932-8-5 3954 Riverside On trail from Tahquitz Valley to San Jacinto Peak. Head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  CAS-BOT-BC403360  Eschscholzia californica A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19869 Riverside Lake Skinner area: lower Rawson Canyon, just NE of the lake along the road. 457 Comment
  UCR48342  Eschscholzia californica Steve Boyd 1986-4-22 1752 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA0118599  Eschscholzia minutiflora Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7641 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  UCR144756  Eschscholzia minutiflora Scott D. White, Michael Honer 2003-5-14 9288 Riverside Sonoran (Colorado) Desert, bajada at foothills of Little Maria Mtns, c. 20 air miles NW of Blythe, near Standard (='Superior') Gypsum Mine 122 Comment
  CAS-BOT-BC419644  Eschscholzia parishii S. B. Parish 1907-4-1 6103 Riverside Whitewater, Colorado Desert Comment
  UC667353  Eschscholzia parishii Annie M. Alexander and Louise Kellogg 1941-5-12 2155 Riverside 4 mi ne Cottonwood Spring (along main road); Colorado Desert, Eagle Mountains 914 Comment
  UCR148448  Eschscholzia parishii John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 26 and 28, north of Hunters Spring, near S base of Orocopia Mtns. 21 Comment
  JEPS66858  Escobaria vivipara var. alversonii W. L. Jepson 1912-10-30 5252 Riverside Black Point Riverside Mts., Colorado River (Riverside Mts, expedition along the Colorado River) 45 Comment
  RSA713796  Eucalyptus J. Lyman 1989-2-9 89 -2 Riverside Lakeview, Pressman property in the Bernasconi Hills, just S of the Ramona Expressway, S of Lake Perris and N of Nuevo. Comment
  UCR129060  Eucalyptus A. C. Sanders, Mitch Provance 2001-4-5 23920 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  CDA5163  Eucalyptus camaldulensis A. C. Sanders, O. F. Clarke 1991-6-1 11123 Riverside Upper Santa Ana River/San Bernardino Valley. Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River. Comment
  RSA0042973  Eucalyptus camaldulensis A. C. Sanders, Timothy W. Chumley 2013-3-29 40711 Riverside Alberhill, Lake St. at Riverside Co. conservation reserve, 0.28 km south of intersection with Temescal Canyon Rd. 378 Comment
  UCR237635  Eucnide urens Duncan S. Bell 2010-3-20 634 Riverside Riverside Mountains, in the vicinity of Mountaineer Mine, c. 2 air mi northeast of Riverside Mountain Peak 215 Comment
  RSA682860  Eucrypta chrysanthemifolia var. bipinnatifida Scott D. White 2003-3-23 8832 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  UCR86873  Eucrypta chrysanthemifolia var. chrysanthemifolia A. C. Sanders, James C. Dice. K. C. Rose, D. Woodard 1995-3-29 16255 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR91593  Eucrypta chrysanthemifolia var. chrysanthemifolia D. L. Banks, Steve Boyd 1995-4-5 159 Riverside Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, east of the Dripping Springs Trail, in the N flowing drainage that empties into Arroyo Seco. 549 Comment
  RSA425013  Eucrypta micrantha J. C. Roos 1966-3-26 s.n. Riverside 2 miles SE of Desert Center. Comment
  UCR23563  Eucrypta micrantha John C. Roos 1966-3-26 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 mi SE of Desert Center 366 Comment
  CDA37670  Eulobus californicus T. C. Fuller 1962-4-3 7985 Riverside South of Highway 99, 1.7 miles west of junction with Highway 111 to Palm Springs, 4.3 miles east of Cabazon. 0 Comment
  SBBG47468  Eulobus californicus N. C. Cooper 1944-5-6 1210 Riverside Whitewater Cyn 457 Comment
  RSA303488  Euonymus occidentalis var. parishii S. L. Gaponoff 1974-6-16 42 Riverside Mr. San Jacinto, Dark Canyon, San Jacinto River. 1756 Comment
  UC869898  Euonymus occidentalis var. parishii C. Epling and Wm. Robison 1935-6-20 Riverside N. Fork San Jacinto R. Comment
  UCR163393  Euphorbia abramsiana B. G. Pitzer, G. R. Ballmer 2000-10-14 4219 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  UCR137040  Euphorbia albomarginata A. C. Sanders 2004-5-5 27755 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR223972  Euphorbia albomarginata A. C. Sanders 2011-3-23 38801 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  UCR232028  Euphorbia albomarginata John F. Green 2008-4-15 0408- 02 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  RSA0002688  Euphorbia eremica W. L. Jepson 1914-5-23 6047 Riverside Conchilla Desert 61 Comment
  UCR17353  Euphorbia eriantha Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Graham Pass Road, Chuckwalla Bench. 457 Comment
  UCR26784  Euphorbia misera A. C. Sanders 1982-3-20 2441 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, S end of Whitewater bench, above a small dirt road to the top of the bench and overlooking I-10 Comment
  CLARK-A1656-887  Euphorbia polycarpa Jim Cornett 1977-6-25 Riverside Desert Hot Springs 411 Comment
  UCR166022  Euphorbia polycarpa 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
  UCR156097  Euphorbia serpillifolia T. B. Salvato, Kent Beaman 2005-5-16 861 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
  UCR89707  Euphorbia setiloba J. M. Stewart 1990-10-28 667 Riverside Sonoran/Colorado Desert, canyon on south side of Orocopia Mtns. Comment
  POM163315  Eustoma exaltatum R. C. Bacigalupi 1925-7-1 1245 Riverside Riverside Canyon. Comment
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Feb 22 2014
  UCR265846  Euthamia occidentalis Mitch Provance 2013-4-8 413- 03 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA0121045  Fagonia laevis Duncan S. Bell, LeRoy Gross 2016-3-29 9122 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  UC217900  Fagonia laevis P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4790 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mts. 457 Comment
  UCR159769  Fagonia laevis Scott D. White 1999-4-20 7274 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  UCSB18135  Fagonia laevis del Moral, Roger 1964-4-13 Riverside 1.6 miles south of Highway 60-70, 21 miles east of Indio 518 Comment
  OBI2141  Ferocactus cylindraceus P. A. Holden 1969-4-11 730 Riverside Near jctn of I-60, 70 and State 62 highways Comment
  UCR16071  Festuca myuros H. C. Sharma 1976-4-26 760426- 02 Riverside Woodcrest, c. 2 miles from Woodcrest on Firethorn Ave 335 Comment
  UCR126260  Festuca octoflora Nathan Moorhatch, John Green 2003-4-2 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Whitewater River channel at Date Palm Drive in Cathedral City 91 Comment
  UCR127348  Festuca octoflora A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25852 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR139180  Festuca octoflora Virginia Moran 2003-5-16 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek 427 Comment
  UCR75038  Festuca octoflora A. C. Sanders, E. J. Lawlor 1992-4-4 12152 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR87900  Festuca octoflora A. C. Sanders 1994-5-30 14589 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 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
  UCR228818  Filago arizonica A. C. Sanders 2011-4-26 39329 Riverside Peninsular Range, Alberhill Mountain, south side near Nichols Rd., c. 350 m WNW (276 deg. ) of Nichols Rd. & Pierce St. intersection 395 Comment
  UCR167298  Filago californica Scott D. White, Jennifer H. Jones 2005-5-24 11096 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR213540  Filago californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37825 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near tower, 1.23 mi. NNW (348 deg. ) of intersection of I-15 and Lake St. 537 Comment
  UCR41225  Filago californica N. M. Fellows, A. C. Sanders 1985-4-9 124 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
  UCR165810  Filago depressa 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
  UC1123328  Forestiera pubescens A. E. Wieslander 1938-5-5 734 Riverside Vandeventer Flat; Thermal Quad. 1493 Comment
  JOTR01138  Forestiera pubescens Cole, James E. 1941-3-31 458 Riverside Joshua Tree National Park. BARKER DAM 1371 Comment
  SBBG69367  Fouquieria splendens M. N. Ackley -Feb-1926 359 Riverside Box Cyn 304 Comment
  JEPS45714  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point; Riverside Mts., Colorado River Comment
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Nov 9 2014
  SDSU181  Fragaria vesca Bruhns 1965-5-23 121 Riverside Along riverside Co. highway R-1, where it corsses Mill Creek, outside of Idyllwild. Damp, shady flat in Yellow PIne Forest. Comment
  UC488841  Fragaria vesca C. V. Meyer Jun 1927 195 Riverside Saunder's Meadow; San Jacinto Mts. 1676 Comment
  UCR252994  Fraxinus uhdei Fred T. Sproul, Julia Groebner 2014-7-21 6007 Riverside Santa Ana River at Norco 169 Comment
  UCR132720  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11132 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR240999  Funastrum cynanchoides Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 20 Riverside South Coast/Peninsular Range, Riverside, Sycamore Canyon, near the entrance to the park 396 Comment
  RSA550355  Funastrum hirtellum W. Wisura 1992-3-24 4633 Riverside 13.1 mi NE of Mecca on Box Canyon Rd. seed voucher Comment
  SEINET8481390 Image available Funastrum hirtellum Andrew C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40635 Riverside Sonoran (Colorado) Desert; Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  SD240829  Funastrum utahense Dave Silverman 2010-3-30 7886 Riverside East bajada flank of southern McCoy Mountains, 1 km west of Black Creek Road, 7.8 km east of McCoy Pk and 4.8 km N of I-10 164 Comment
  CAS-BOT-BC499146  Galium angustifolium Valerie Soza; Steve Boyd 2004-6-22 1727 a Riverside San Jacinto Muntains, SE side of Lake Fulmor, slope above Hwy 243 (Hall Canyon) 1615 Comment
  SEINET7072849  Galium angustifolium A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  UCR201998  Galium angustifolium Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  JEPS56078  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4249 Riverside steep s-facing slope just below Toro Peak ((i.e. s of saddle e of peak)); Santa Rosa Mts. 2499 Comment
  RSA674659  Galium angustifolium subsp. angustifolium Scott D. White 2000-8-5 8117 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UC1536779  Galium angustifolium subsp. angustifolium G. H. True 1935-4-10 220 Riverside Box Springs Sycamore Canyon Comment
  UC597724  Galium angustifolium subsp. angustifolium Philip A. Munz 1937-5-30 15127 Riverside northern end of mts Santa Rosa Mts., Dos Palmos Spring 1097 Comment
  UC729814  Galium angustifolium subsp. angustifolium Carl B. Wolf 1932-8-4 3921 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  UCR95945  Galium angustifolium subsp. angustifolium Scott D. White 1996-8-1 4455 Riverside San Jacinto Mtns., Twin Pines area, just north of Twin Pines Road, c. 0.5 air mi. west of Twin Pines Ranch. 1143 Comment
  UCR187499  Galium porrigens Theresa Johnson 2006-5-11 106 Riverside Peninsular Range;, Santa Rosa Plateau, Los Alamos Canyon above confluence with San Mateo Canyon 427 Comment
  RSA751913  Galium porrigens var. porrigens Scott D. White, Justin M. Wood 2009-5-22 12916 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  SDSU18661  Galium stellatum subsp. eremicum Michael G. Simpson, Kristen Hasenstab 2008-4-2 2949 Riverside Joshua Tree National Park. Ridge adjacent to wash, just southwest of road to Cottonwood Spring, ca. 0.4 mile northwest of Cottonwood Spring. 945 Comment
  JOTR30285  Garrya flavescens Bell, Mike, Kathleen White 2007-3-20 s.n. Riverside Joshua Tree National Park. Eureka Peak Comment
  CAS-BOT-BC192125  Garrya fremontii H. M. Hall 1901-7-1 2452 Riverside Tahquitz [Tanquitz] Valley, San Jacinto Mt. 2133 Comment
  CAS-BOT-BC158023  Garrya veatchii A. C. Sanders; S. Hawkins; J. Goetzen; D. Freeman 1996-5-1 18121 Riverside San Bernardino Mtns.; Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats, along the road below the pond 1097 Comment
  UC1930076  Gastridium phleoides Scott D. White, Michael Honer 2003-5-27 9414 Riverside Gavilian Hills / Temescal Canyon: Hils and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake Street exit. Collected south and/or west of unnamed peak 2349. (Lake Elsiniore & adjacent Alberhill) Comment
  SD260977  Gaura A. C. Sanders, John F. Green 2012-5-27 40205 Riverside Peninsular Range; Perris - Aguanga Basin Region: San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 427 Comment
  RSA789237  Gayophytum diffusum subsp. parviflorum Naomi S. Fraga 2008-8-28 2608 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  UCD103558  Gayophytum heterozygum H. Lewis; M. Lewis 1962-8-2 1306 Riverside San Jacinto Mts. Pine Cove Road, Pine Cove, 0.4 mile west of Idywllwild-Banning Road. Comment
  RSA596936  Gazania linearis A. C. Sanders 1996-4-12 18027 Riverside Moreno Valley: old field/vacant lot on W side of Frederic St. between Eucalyptus and Myers 494 Comment
  CAS-BOT-BC303588  Geraea canescens C. L. Hitchcock 1940-4-4 5946 Riverside Pinto Basin Comment
  UC665889  Geraea canescens Ira L. Wiggins 1941-3-24 9570 Riverside sand dunes 0.3 mi s Myoma (4.6 mi n of Indio) Comment
  UCR16869  Geraea canescens P. A. Rauch 1966-2-19 s.n. Riverside Western Colorado Desert, 2 mi east of 1000 Palms Canyon at dirt road to Hidden Springs Ranch 61 Comment
  RSA0028449  Geranium dissectum Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55224 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  RSA675690  Gilia Scott D. White, Bill La Haye 2001-4-28 8429 Riverside Colorado Desert: Coachella Valley, east of Dillon Road, ca. 6 road miles north of the I-10 Freeway. 137 Comment
  UCR163081  Gilia B. G. Pitzer 2000-5-7 4140 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
  POM74786  Gilia angelensis Marcus E. Jones 1882-4-24 s.n. Riverside San Jacinto Comment
  UCR107387  Gilia angelensis B. G. Pitzer 1997-3-23 2963 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR59665  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2927 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  SDSU15207  Gilia capitata Wende Rehlaender 1983-5-22 107 Riverside Reche Canyon, approx. 6 miles from NW end of Reche Canyon Road., just SE of Reche Vista Road; about 3 miles north of Sunnymead. Comment
  POM122410  Gilia capitata subsp. abrotanifolia Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  SBBG101800  Gilia capitata subsp. abrotanifolia S. Boyd with T. Ross, M. Hammitt 1991-5-2 6049 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UC908922  Gilia capitata subsp. abrotanifolia Herbert L. Mason 1926-5-2 3196 Riverside Temecula Valley Comment
  CAS-BOT-BC257174  Gilia diegensis Duncan S. Bell; Valentin Arvizu 2010-5-10 988 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04 1349 Comment
  UCR130222  Gilia diegensis George K. Helmkamp, E. A. Helmkamp 1998-6-27 4109 Riverside Santa Rosa Mountains., Santa Rosa Mountain Road, 5.8 miles southeast of Calif. Hwy 74 1799 Comment
  UCR64606  Gilia diegensis H. M. Hall 1904-5-19 4949 Riverside Santa Ana River Valley, Fairmount Park Comment
  RSA698346  Gilia latiflora J. R. Bruff 1928-4-2 106 Riverside Canyon 1 mile west of Morengo Comment
  UC23841  Gilia latiflora subsp. davyi Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA754126  Gilia ochroleuca W. Schlegel, Andrew Troutte 2008-8-8 6 Riverside Idyllwild: Dry creek bed. Comment
  CAS-BOT-BC407604  Gilia ochroleuca subsp. exilis Marcus E. Jones 1926-6-21 s.n. Riverside 20 miles N of Idylwild Comment
  CAS-BOT-BC407610  Gilia ochroleuca subsp. exilis K. Watkins; E. McClintock 1937-4-9 s.n. Riverside 1 mi. W of San Jacinto Comment
  CAS-BOT-BC407615  Gilia ochroleuca subsp. exilis A. C. Sanders 1994-5-29 14576 Riverside San Bernardino Mountains: East Branch Millard Canyon, along FS Road 4S45 1200 Comment
  JEPS4119  Gilia ochroleuca subsp. exilis W. L. Jepson 1939-4-17 19132 Riverside Twin Sprs. , Twin Sprs. (Temescal Canyon) Comment
  RSA0016238  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4728 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0016240  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5034 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  RSA0016299  Gilia ochroleuca subsp. exilis P. A. Munz 1922-4-28 5025 Riverside Temescal Canyon. Comment
  RSA0017088  Gilia ochroleuca subsp. exilis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4016 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UC52863  Gilia ochroleuca subsp. exilis H. M. Hall April, 1902 2905 Riverside above Sage P.O. (vicinity of Winchester); vicinity of Winchester Comment
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Mar 20 2011
  CLARK-A1528-712  Gilia splendens 1965-5-2 Riverside Temecula 609 Comment
  RSA23227  Gilia stellata Ernest Braunton 1940-4-3 2018 Riverside Berdoo Canyon, 10 mi. E. of Indio. 304 Comment
  RSA67047  Gilia stellata Verne Grant, Alva Grant 1951-4-7 15986 Riverside Below Morongo Valley on road to White Water 732 Comment
  SD7669  Gilia tricolor Daniel Cleveland 1882-4-24 Riverside Copeland's, San Jacinto. Comment
  POM157911  Githopsis diffusa subsp. filicaulis P. A. Munz 1927-5-20 10807 Riverside 10 miles S. of Hemet. Comment
  UCR24009  Glyceria elata John C. Roos 1965-7-3 s.n. Riverside San Jacinto Mtns., Dark Canyon, north fork of the San Jacinto River Comment
  POM48365  Glyceria striata P. A. Munz, I. M. Johnston 1924-7-27 8784 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  POM12085  Glycyrrhiza lepidota Mary F. Spencer 1734 Riverside Canyon near San Jacinto Comment
  UCR121649  Gnaphalium californicum A. C. Sanders, Kent Beaman 2002-5-10 25045 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  UCR106347  Gnaphalium canescens subsp. beneolens John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR19791  Gnaphalium canescens subsp. beneolens W. W. Mayhew 1977-10-1 s.n. Riverside San Jacinto Mtns., [Hwy 243] 1 mi SE of Poppet Rd. 1341 Comment
  UCR121821  Gnaphalium luteoalbum A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24603 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 1372 Comment
  UCR34920  Gnaphalium palustre L. B. Ziegler 1969-6-10 379 Riverside San Jacinto Mtns., Hemet Valley (= Garner Valley) 1433 Comment
  UCR93827  Gutierrezia californica 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
  CAS-BOT-BC302144  Gutierrezia sarothrae A. M. White 1974-6-5 1418 Riverside Ca. 2.5 mi. from Corona freeway, Alberhill turnoff Comment
  LA203630  Gutierrezia sarothrae H. Lewis; 1940-7-18 sn Riverside U.S. 395, 5 mi. W of Temecula Comment
  POM17513  Gutierrezia sarothrae P. A. Munz 1923-6-18 7125 Riverside 3 miles N of Lake Elsinore. 412 Comment
  RSA544383  Gutierrezia sarothrae Steve Boyd, Tim Ross 1991-6-14 6398 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
  UCR163666  Haplopappus acradenius John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; ENE of Salton Sea State Park, along Coachella Canal 24 Comment
  RSA0066610  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3920 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  UC1563101  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3206 Riverside w end bench on s flank Oak Mountain (Vail Lake area); , s flank Oak Mountain 518 Comment
  CAS-BOT-BC211540  Helianthemum scoparium John Thomas Howell 1931-5-30 6599 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  POM13920  Helianthus gracilentus E. C. Jaeger 1921-6-13 s.n. Riverside Base of McMullen Trail [Banning to McMullen Flat] 823 Comment
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Nov 5 2011
  RSA0078220  Heliotropium curassavicum var. oculatum Sarah J. De Groot, Amy Rouillard 2015-9-15 7558 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  SBBG87893  Heliotropium curassavicum var. oculatum B. Pitzer, K. Kirtland 1986-5-7 217 Riverside Butterfield Stage Ranch development, in the hills on the N side of Pauba Valley in the Rancho California area, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd 457 Comment
  UCR133679  Hemizonia fasciculata 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
  UCR112494  Hemizonia kelloggii A. C. Sanders 1998-5-21 21870 Riverside Hemet, alkaline flats west of town, along Stetson Ave. west of Warren Rd. 457 Comment
  UCR274307  Hemizonia kelloggii T. B. Salvato, Melissa Clemons 2005-6-6 1428 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UCR132824  Hemizonia mohavensis A. C. Sanders, Steve Boyd, Jeff Ross, , Mitch Provance 1998-10-25 22273 Riverside San Jacinto Mtns., Hwy 74, roadside seep c. 2 miles below (west of) Mountain Center 1250 Comment
  RSA360324  Hemizonia paniculata E. Crow 1929-4-21 350 Riverside North of Elsinore Comment
  RSA663305  Hemizonia paniculata Mitch Provance 1998-3-6 702 Riverside Jurupa Mountains: Glen Avon Hts., Boulder Park, 0.7 km W of Pyrite St.on the N side of Granite Hill Dr. 305 Comment
  RSA722929  Hemizonia paniculata R. E. Riefner Jr. 2007-6-16 07 -263 Riverside City of Hemet, Bautista Canyon, 2.8 mi. E of Fairview Ave. on Bautista Rd. 693 Comment
  UCR159197  Hemizonia paniculata A. C. Sanders, Kelly Volansky 2005-8-31 31597 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
  UCR69754  Hemizonia paniculata A. C. Sanders, C. McGaugh 1991-7-19 11155 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 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
  UCR260132  Hemizonia pungens subsp. laevis A. C. Sanders 2015-2-19 41248 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
  RSA185432  Heterocodon rariflorum Clare B. Hardham 1965-6-16 12930 Riverside San Jacinto Mountains. Alvin Meadows. 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
  CLARK-A1703-1242  Heterotheca grandiflora Robin L. Kobaly, Larry Beck 1975-7-21 Riverside Santa Ana River Comment
  CAS-BOT-BC310834  Heterotheca sessiliflora subsp. fastigiata P. A. Munz; E. K. Balls 1952-8-21 17990 Riverside Head of Hemet Valley, San Jacinto Mts. 1493 Comment
  UCSB42205  Heterotheca subaxillaris Roos, John 1965-9-26 Riverside 2 miles south of Jackson St., Indio Comment
  CAS-BOT-BC312304  Heterotheca villosa var. nana John Roos; Lucille Roos 1950-10-21 5011 Riverside Wonderland of Rocks, Little San Bernardinno Mts. 1219 Comment
  RSA0063010  Heuchera hirsutissima Carl B. Wolf 1932-8-5 3977 Riverside Rocks at summit of San Jacinto Peak. 3294 Comment
  RSA432778  Hibiscus denudatus E. C. Jaeger 1922-3-29 730 Riverside Murray Canyon, Colorado Desert Comment
  UCR244888  Hibiscus denudatus A. C. Sanders, T. B. Salvato 2012-10-12 40405 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  UCR213393  Hilaria rigida A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37456 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UC1951113  Hirschfeldia incana Scott D. White, Justin Wood 2009-5-21 12847 Riverside SAN JACINTO MOUNTAINS: McMullen Flat area, 0.35 mile N on Valley Hi Dr, from intersection w/ Twin Pines Rd. USGS Cabazon 7.5' Quad. Comment
  SEINET6654966  Hoffmannseggia densiflora Sears 1977-10-12 S 583 Riverside 20 miles East of Desert Center, 10 miles East of Corn Springs exit.; 0 134 Comment
  RSA4929  Hoffmannseggia glauca C. B. Wolf 1932-4-28 s.n. Riverside Chuckwalla Valley, 20 miles west of Blythe on Mecca Road 122 Comment
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Mar 26 2011
  SBBG119035  Hoffmannseggia microphylla S. J. DeGroot, T. Thibault, V. Arvizu, L. Gross, L. Rojas 2004-5-14 4335 Riverside N of the Chocolate Mtns, just N of the Bradshaw Trail, S of Orocopia Mtns 168 Comment
  UCSB11231  Hoffmannseggia microphylla Breedlove, Dennis 1961-9-11 Riverside Along roadside of U.S. 60-70, 8 mi. E of Indio 289 Comment
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Mar 29 2014
  UCR116654  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-5-10 24248 Riverside Perris-Aguanga Basin, San Jacinto River Valley, south side of intersection of Sanderson Ave. and Ramona Blvd., c. 4 mi. NW of San Jacinto 445 Comment
  UCR211707  Hordeum depressum Fred M. Roberts, Michelle Balk 2006-5-2 6328 Riverside San Jacinto Valley, Hemet, Stoney Mountain Preserve, 1.0 km north of the summit of Tres Cerritos Hills and 0.4 km southeast of the junction of Warren Road and Esplanade Road 458 Comment
  UCR76162  Hordeum depressum A. C. Sanders 1993-4-1 13661 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  RSA0050593  Hordeum intercedens A. C. Sanders, John F. Green 2006-5-18 32378 Riverside French Valley, Briggs Road, stream crossing just south of Los Alamos Road, upstream of Adobe Spring and west of Hwy 79 409 Comment
  RSA45205  Hordeum marinum subsp. gussoneanum J. C. Roos, Lucille Roos 1949-5-21 4318 Riverside Temecula. 304 Comment
  UC729824  Horkelia clevelandii Carl B. Wolf 1932-8-4 3927 Riverside 1 1/2 mi Idyllwild (on road to banning); San Jacinto Mts., Strawberry Valley 1706 Comment
  CAS-BOT-BC312582  Hulsea vestita subsp. callicarpha Cecil Hart 1922-5-21 11 Riverside San Jacinto Pk. Comment
  RSA78320  Hulsea vestita subsp. callicarpha P. A. Munz, E. K. Balls 1952-8-21 17980 Riverside Road, Vandeventer Flat to Santa Rosa Peak 2072 Comment
  UC1483322  Hulsea vestita subsp. callicarpha C. W. Tilforth and W. Wisura 1979-10-11 1922 Riverside 10.4 mi from n junction with Highway 74. s of Lake Hemet; Thomas Mtn. Road Comment
  CSUSB1758  Hunnemannia fumariifolia Morse 1974-6-29 Riverside North end of Linsay Street (Glen Avon). 228 Comment
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Oct 22 2011
  POM13147  Hydrocotyle ranunculoides P. A. Munz, I. M. Johnston 1922-5-19 5429 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA335008  Hydrocotyle ranunculoides Steve Boyd 1985-8-7 1107 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
  UCR149981  Hydrocotyle umbellata Scott D. White, Angelia Carey 2004-5-7 10329 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR1594  Hydrocotyle umbellata R. L. Needham 1962-5-8 10041 Riverside Riverside, base of spillway at WNW corner of Lake Evans [Fairmont Park] 245 Comment
  POM306690  Hymenoclea salsola Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1692 Riverside Near Desert Center-Indio. Comment
  POM361074  Hymenoclea salsola M. B. Dunkle 1932-3-25 2895 Riverside Near Cathedral Canyon. Comment
  RSA27452  Hymenoclea salsola I. L. Wiggins 1941-3-24 9576 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  RSA733690  Hymenoclea salsola Keith E. Hoffmaster 1933-4-14 364 Riverside Palm Springs Comment
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Aug 27 2011
  RSA777819  Hymenoclea salsola var. pentalepis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 848 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
  RSA429838  Hymenolobus procumbens E. C. Jaeger 1922-4-16 713 Riverside Covington Ranch, Morongo Valley 610 Comment
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May 29 2011
  RSA191410  Hypericum formosum var. scouleri E. W. Lathrop, R. F. Thorne 1967-9-26 6620 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  CAS-BOT-BC219748  Hyptis emoryi W. R. Dudley 1903-12-25 s.n. Riverside Tahquitz Wash Comment
  CAS-BOT-BC219765  Hyptis emoryi D. B. Dunn; H. Brown; E. McClintock 1947-3-15 2864 Riverside Pushawalla Canyon, Indio Hills Comment
  LA99449  Hyptis emoryi Hisao P. Arai; 1957-4-18 sn Riverside Box Canyon, near Mecca; off Highway 195 Comment
  RSA171143  Hyptis emoryi Robert F. Thorne 1963-3-29 32429 Riverside Colorado Desert, 12 miles ENE of Mecca. Comment
  UCR275512  Hyptis emoryi D. E. Bramlet 2010-3-1 4456 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  UCSB17914  Hyptis emoryi Winn, Will 1963-2-23 Riverside Ladder Canyon, 9 miles E of Mecca, Coachella Valley 213 Comment
  SEINET12330780  Hyptis emoryi W. Knight, Knight, I.; Vale, J.; Wagnon, K. 1983-1 5516 Riverside Eagle Mts., on Power Line Rd, 383 Comment
  UCR281878  Isocoma menziesii Mitch Provance 2012-11-9 1112- 18 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  UCR22501  Isomeris arborea var. arborea C. S. Jones 1979-2-24 8 Riverside Sonoran (Colorado) Desert, 4 miles southeast of Eagle Mountain., near old Eagle Mtn. Road 305 Comment
  JOTR30785  Ivesia saxosa La Doux, Tasha, Erin Babich 2007-4-18 1516 Riverside Joshua Tree National Park. About .5 mile southeast of Lost Horse Ranger Station, at the west edge of Lost Horse Valley Comment
  JOTR30786  Ivesia saxosa La Doux, Tasha, Erin Babich 2007-4-18 1516 Riverside Joshua Tree National Park. About .5 mile southeast of Lost Horse Ranger Station, at the west edge of Lost Horse Valley Comment
  UCR49988  Jepsonia parryi S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  UCR93817  Juglans californica P. J. MacKay 1996-6-15 013 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  CAS-BOT-BC140653  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37143 Riverside Peninsular Range: Box Springs Mtns. Foothills, Riverside 345 Comment
  RSA563914  Juncus bufonius A. C. Sanders 1993-4-1 13672 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
  SD220020  Juncus bufonius Steve Boyd, Gary Wallace 2005-7-30 11643 Riverside San Jacinto Mountains region: San Jacinto Mountains State Park, Hidden Lake area northeast of Hidden Diovide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek. 2659 Comment
  UC1601698  Juncus bufonius H. M. Hall Jul 1901 Riverside w fork of Snow Creek San Jacinto Mountains, Snow Creek 1676 Comment
  RSA708932  Juncus longistylis Scott D. White, Angelia Carey 2004-4-16 10177 Riverside Indian Creek and adjacent slopes. 549 Comment
  JEPS67070  Juncus macrandrus W. L. Jepson 1903-8-8 2311 Riverside Tauquitz Valley Mt. San Jacinto 2438 Comment
  GMDRC6591  Juncus macrophyllus J. M. Andre 2012-6-15 30555 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  UCR193963  Juncus macrophyllus A. C. Sanders 2008-7-25 35885 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
  UCR89810  Juncus macrophyllus Scott D. White 1993-5-27 1413 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  RSA575885  Juncus textilis Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills region, south flank of the range in upper Arroyo del Toro, Bull Canyon Road. Comment
  SD86554  Juncus textilis Ken Hedges 1972-10-17 Riverside In marshy area, Cahuilla Valley, south of Anza. Comment
  UCR174172  Juncus xiphioides A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32582 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  SDSU1840  Juniperus californica A. H. Gallup 1949-3-28 357 Riverside Palms to Pines Hwy. above Desert Center [interpreted to be Palm Desert], in dry wash, east slope, San Jacinto Mt. Range, Colorado Desert drainage area 762 Comment
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Jan 30 2013
  CAS-BOT-BC234589  Justicia californica E. A. McGregor 1917-3-18 731 Riverside Painted Canon [Canyon], Colorado Desert Comment
  HSC25951  Justicia californica R. W. Spjut 1972-1-6 2105 Riverside Colorado Desert, along Hwy. 195, E of Indio 0 Comment
  POM118330  Justicia californica Marcus E. Jones 1924-2-26 s.n. Riverside Shaver s Well. Comment
  RSA487532  Justicia californica B. Pitzer 1988-3-10 640 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  SEINET2163468 Image available Justicia californica A. J. Breitung 1953-6-12 15529 Riverside Palm Springs Comment
  RSA0027476  Kallstroemia californica Deidre Conocchioli, April Garbat 2013-9-5 40 Riverside Sonoran Basin and Range- Chuckwalla Valley. From Blythe, head west on I-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross over interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of rd, near intersection of Graham Pass Rd. 120 Comment
  RSA778322  Kallstroemia californica Amber Swanson, Linda Jean Foster 2011-10-8 632 Riverside Sandy flats N off of Blythe Rice Rd. 237 Comment
  CAS-BOT-BC235496  Keckiella antirrhinoides B. Pitzer 1997-3-23 2956 Riverside Lakeview Mtns, ca. 1 air mi. SSW of Mt. Rudolph, along powerline rd .3 mi. E of Contour (Juniper Flats) Rd. 610 Comment
  UCR40228  Keckiella cordifolia Steve Boyd 1985-7-23 1022 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 8.5 mi. west of Rancho California 275 Comment
  CAS-BOT-BC246208  Keckiella rothrockii J. Ewan 1930-8-31 2151 Riverside Round Valley, San Jacinto Mts. 2743 Comment
  UC1132132  Koeleria macrantha H. S. Yates 1937-6-27 6714 Riverside near Idlewild; San Jacinto Quad., near Idlewild Comment
  CAS-BOT-BC273670  Koeleria pyramidata H. M. Hall 1901-6-1 2131 Riverside San Jacinto Mountains. Santa Rosa Mountain. Dry hillsides of Coyote Canyon 1584 Comment
  CAS-BOT-BC273675  Koeleria pyramidata H. M. Hall 1901-6-1 2031 a Riverside San Jacinto Mountains. Thomas Meadows Comment
  CAS-BOT-BC61425  Krameria bicolor John Thomas Howell; Martha Hilend 1928-4-15 171 Riverside Coachella Valley near Thousand Palms Comment
  CAS-BOT-BC61431  Krameria bicolor S. B. Parish 1916-5-13 10853 Riverside Cottonwood Springs, Colorado Desert Comment
  CHSC26046  Krameria erecta James Henrickson 1971-4-2 5478 Riverside Near Hidden Oasis, 13 miles E. of Palm Springs; on rocky slope above sandy arroyo near fan palm oasis. 182 Comment
  UCR85433  Krameria erecta George K. Helmkamp 1994-4-26 88- 3 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  RSA192095  Lactuca serriola H. A. Zuill 1966-7-26 300 Riverside About 7.5 miles SW of Murrieta. Comment
  RSA510312  Lactuca serriola Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  UCR12285  Langloisia schottii Art Whistler 1966-3-26 s.n. Riverside Colorado Desert/ Santa Rosa Mtns, alluvial fan below Deep Canyon, 1 mi. from the Boyd Desert Research Center. Comment
  UCR88114  Langloisia schottii A. C. Sanders, G. Nuhn 1995-4-20 16594 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  UCR72195  Langloisia setosissima Theo Glenn 1991-5-21 91- 107 Riverside Sonoran (Colorado) Desert, Arica Mtns, SW of Rice. Near old Priest Mine 421 Comment
  SD45175  Langloisia setosissima subsp. punctata Helen K. Sharsmith 1952-4-8 4053 Riverside Pinto Mountains near Meek Mine and ca. 2.5 miles beyond Mission Well. 579 Comment
  CAS-BOT-BC171125  Larrea tridentata Catherine A. Toschi 1963-4-13 63 :131 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  HSC47363  Larrea tridentata R. W. Spjut, C. E. Edson 1978-5-6 5027 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center. 335 Comment
  JOTR28942  Larrea tridentata La Doux, Tasha 2005-3-30 1178 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  LA209861  Larrea tridentata Harlan Lewis; 1935-4-7 sn Riverside Palm Springs 138 Comment
  RSA457779  Larrea tridentata Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2219 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UCR256338  Larrea tridentata Duncan S. Bell 2012-2-12 3115 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  UCR60785  Larrea tridentata Steve Boyd, Orlando Mistretta 1986-3-13 1418 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
  UCSB19493  Larrea tridentata Winn, Will 1963-2-23 Riverside 4 miles E of Mecca, Coachella Valley 15 Comment
  RSA662182  Larrea tridentata var. tridentata Anne Greenberg 1981-5-17 105 Riverside Palm Desert, Hwy 74, 5 iles N of Hwy 111. Comment
  SEINET7073482  Lastarriaea coriacea A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: WGS84/NAD83. (33? deg. 32' 2" North Latitude; -117? deg. 9' 9" West Longitude. UTM Zone 11, 485829mN, 3710290mN. Coordinate datum: NAD27). Comment
  UCD98955  Lastarriaea coriacea A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-8 24184 Riverside Perris-Aguanga Basin Region: S of Hemet, E end of Diamond Valley, ca. 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 505 Comment
  CAS-BOT-BC352914  Lasthenia coronaria Ira L. Wiggins 1941-3-27 9695 Riverside Slopes 4 miles N of Whitewater Comment
  POM6606  Lasthenia coronaria P. A. Munz, L. T. Street, Williams 1919-3-28 2368 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  UC126382  Lasthenia coronaria H. M. Hall 1903-4-1 3982 Riverside Pass ne of High Grove; Riverside Comment
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Sep 5 2011
  UCSB6390  Lasthenia coronaria Ralph, F. 1960-4-1 Riverside White Water Canyon, 1.6 miles N of U.S. Hwy. 99; western edge of Colorado Desert Comment
  IRVC26814  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1997-3-13 2490 Riverside Nichols Road Wetlands, ca 335 m SE of Nichols Road, 91m W of Collier Ave. and 305 m W of the I15, E of the existing dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  SBBG8514  Lasthenia glabrata subsp. coulteri H. and M. Dearing 1939-4-5 3095 Riverside Hemet Valley Comment
  SD244084  Lasthenia gracilis T. B. Salvato, Matt MallA^, Tom Sullivan 2013-3-27 7450 Riverside Perris-Aguanga Basin: Menifee, vacant lot north of Newcomp Substation, at southwest corner of Lazy Creek Road and Murrieta Road, (Romoland 7.5'Q) 431 Comment
  UC1719501  Lathyrus sulphureus D. Atwood 1993-3-26 17654 Riverside Summit of Santa Ana Mountains, 4.8 mi S of Lake Elsinore, along Hwy 74 812 Comment
  RSA678928  Lathyrus vestitus Scott D. White, Michael Honer 2003-6-3 9471 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR84784  Layia glandulosa Scott D. White, S. Ogg 1994-4-21 1977 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR230781  Layia platyglossa A. C. Sanders, Nathan Moorhatch 2011-3-22 38781 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, 0.61 km east of Hwy 74, south of Ethanac Rd. 503 Comment
  RSA192135B  Lemna minuta E. W. Lathrop 1965-3-30 5608 -B Riverside 12 miles west of Murrieta. Comment
  SEINET12872762  Leonotis nepetifolia A. Sanders, Young, Katie 2015-3-23 41433 Riverside Cabazon Comment
  CAS-BOT-BC88684  Lepidium acutidens John Thomas Howell 1930-5-10 4783 Riverside 1 mile south of Perris. Comment
  UCR21964  Lepidium dictyotum var. dictyotum Steve Boyd 1980-5-20 s.n. Riverside Harford Springs County Park, NW corner of the Gaviln Plateau. S fork of the creek, S end of park Comment
  POM147643  Lepidium fremontii F. M. Reed 1927-3-20 5476 Riverside Mouth of Cottonwood Springs Canyon, 30 miles E of Mecca, Colorado Desert. 274 Comment
  SBBG70822  Lepidium fremontii S. W. Hutchinson, M. N. Ackley -Feb-1927 143 Riverside Desert Center 182 Comment
  UCR142746  Lepidium fremontii C. B. Wolf 1932-4-27 3043 Riverside Western Colorado Desert, Chuckwalla Valley, Mecca to Blythe road [Hwy 10], 0.75 mile west of Utopia 152 Comment
  UCR82804  Lepidium fremontii Bern Schwenn 1994-3-26 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, Pa'atem Canyon on south side of Cottonwood Mtns. Comment
  JOTR37452  Lepidium fremontii var. fremontii Hodges, Stephen, T. Green 2016-5-24 574 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  POM13889  Lepidium lasiocarpum P. A. Munz, D. D. Keck 1922-4-9 4821 Riverside Colorado Desert: so. base of Eagle Mtns. 3 mi. no. east of the Hayfields. Comment
  RSA429933  Lepidium lasiocarpum M. B. Dunkle 1935-3-31 4435 Riverside Pinto Basin 915 Comment
  SD124698  Lepidium lasiocarpum A. C. Sanders, D. Charlton & B. Pitzer 1986-3-1 6031 Riverside Hayfield Lake, northwest end of the lake, ca. 0.5 mile southwest of the pumping station. 409 Comment
  UCR60563  Lepidium latifolium Don Mitchell 1990-1-3 s.n. Riverside Woodcrest, south of Van Buren and west of Washington Comment
  SD262250  Lepidium virginicum var. pubescens Mitch Provance, Jeremiah George 2017-3-23 317 58 Riverside Temescal Valley: De Palma Rd., side canyon between Horsethief Canyon and Glen Eden, south of dirt road entrance to revegetation plots. 372 Comment
  UCR92244  Lepidium virginicum var. pubescens Scott D. White 1995-8-23 3579 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  RSA576089  Lepidium virginicum var. robinsonii Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills region, narrows in central Dawson Canyon. 488 Comment
  UCR106731  Lepidium virginicum var. robinsonii John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  OBI48834  Lepidospartum squamatum Lewis S. Rose 1938-12-20 38331 Riverside 3 mi SE of Palm Springs Station, Whitewater wash 274 Comment
  UC1303164  Lepidospartum squamatum C. B. Wolf 1932-10-11 4269 Riverside mouth of Whitewater Wash 304 Comment
  UCR113551  Lepidospartum squamatum Mitch Provance, Juanita Provance, Seychelle Provance, Claude Provance 1999-4-4 1754 Riverside Riverside, Prenda area (locally known as Whitegates Hills), c. 0.5 miles west of pk 1659. 366 Comment
  UCR3438  Leptodactylon californicum subsp. leptotrichomum John Minnich 1964-3-28 64-3-28- 5 Riverside Santa Ana Mountains, Hwy 74, on Elsinore side of of summit 610 Comment
  RSA0004786  Leptodactylon jaegeri E. C. Jaeger 1921-7-1 s.n. Riverside Tahquitz Peak, San Jacinto Mts. Comment
  RSA73047  Leptosiphon androsaceus F. W. Peirson 1922-4-28 4472 Riverside Leach Canyon, near Elsinore 534 Comment
  RSA525699  Leptosiphon floribundus Steve Boyd, T. S. Ross 1990-5-11 4637 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  SBBG89085  Leptosiphon floribundus subsp. hallii D. Charlton 1988-5-28 2114 Riverside S of St Hwy 74, dirt rd to Toro and Santa Rosa Pk; Toro Camp Area 2286 Comment
  RSA291547  Leptosiphon liniflorus C. W. Tilforth, W. Wisura 1979-8-8 1901 Riverside Along Hwy 74 at Lake Hemet in Garner Valley 1296 Comment
  UC1930075  Leptosiphon liniflorus Scott D. White, Michael Honer 2003-5-27 9406 Riverside Gavilian Hills / Temescal Canyon: Hils and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake Street exit. Collected south and/or west of unnamed peak 2349. (Lake Elsiniore & adjacent Alberhill) Comment
  SD152785  Leptosiphon parviflorus Steve Boyd, Orlando Mistretta 1992-4-23 7070 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  POM145371  Leptosiphon pygmaeus subsp. pygmaeus P. A. Munz 1927-5-20 10808 Riverside 10 miles S. of Hemet. Comment
  RSA4958  Lesquerella tenella C. B. Wolf 1932-4-27 3039 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  SBBG72428  Lesquerella tenella S. W. Hutchinson -Feb-1927 Riverside Colorado Desert Comment
  UC990719  Lesquerella tenella Roxana S. Ferris 1953-3-13 12607 Riverside road along Coachella Canal e Bat Caves Buttes (near Imperial County Line); along Coachella Canal, e of Bat Caves Buttes Comment
  CAS-BOT-BC339368  Lessingia glandulifera var. glandulifera H. M. Hall 1901-8-1 2626 Riverside San Jacinto Mountains. Strawberry Valley 1615 Comment
  POM361810  Lessingia glandulifera var. glandulifera Lester H. Cushman 1931-11-1 14234 Riverside Near Pedley, Santa Ana River Comment
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Dec 4 2011
  SBBG52759  Lessingia glandulifera var. glandulifera Dr. H. de Forest 1930-8-28 Riverside W side of San Jacinto Valley Comment
  UCR108866  Lessingia glandulifera var. glandulifera Heidi A. Haid 1968-9-24 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA123479  Leymus triticoides H. S. Yates 1937-6-27 6718 Riverside Near Hemet Reservoir. 1341 Comment
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Nov 26 2008
  SD248471  Limonium sinuatum A. C> Sanders 2014-4-23 41057 Riverside Peninsular Range: Temescal Valley at intersection of Concordia Ranch Road and Temescal Canyon Road, naer I-15 (Alberhill 7.5'Q) 363 Comment
  UCR119809  Limosella acaulis A. C. Sanders, T. B. Salvato, E. J. Lawlor, C. L. Sanders, et al 1999-8-22 23066 Riverside San Jacinto Mtns., NW shore of Lake Hemet, at Forest Service day use area 1322 Comment
  RSA552713  Linanthus californicus Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-25 6682 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 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
  RSA496473  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3092 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  UCSB42105  Linanthus filiformis Roos, John 1958-3-15 Riverside 3 miles S.E. of Desert Center, Chuckwalla Mtns. Comment
  RSA73678  Linanthus floribundus subsp. hallii R. S. Woglum 1941-5-17 3041 Riverside Alder Canyon off Coyote Canyon. Comment
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Jun 9 2012
  RSA554019  Linanthus jonesii A. C. Sanders, E. J. Lawlor 1992-4-4 12127 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  OBI38922  Linanthus jonesii A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6108 Riverside Corn Spring, Chuckwalla Mountains, was below the spring and wash and rocky slopes to the south. Comment
  UC219269  Linanthus lemmonii P. A. Munz and I. M. Johnston 1922-3-20 5477 Riverside Kenworthy San Jacinto Mts. 1463 Comment
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Mar 25 2011
  SBBG89086  Linanthus pungens subsp. hallii D. Charlton 1988-5-28 2135 Riverside S of St Hwy 74, dirt Rd to Toro and Santa Rosa Pk; Toro Camp Area 2286 Comment
  RSA572985  Linaria canadensis var. texana Steve D. Boyd 1986-4-19 1702 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UCR171720  Linaria canadensis var. texana John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  SDSU1194  Lobularia maritima James C. Dice, Virginia Moran 1987-11-28 759 Riverside South rim of Temecula Gorge, in dirt road near locked gate. T8S, R3W, NE 1/4 of SE 1/4 of Section 27. 305 Comment
  JOTR31122  Loeseliastrum matthewsii La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2504 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  CDA40087  Loeseliastrum schottii T. C. Fuller 1964-4-14 11824 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  RSA757823  Loeseliastrum schottii Michael Wall 2010-5-6 557 Riverside Morongo Wash, NE of Palm Springs, WNW of Flat Top Mountain. 164 Comment
  UCSB38657  Loeseliastrum schottii Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct. w/ Hwy 111 at Indian Wells; Whittaker transect #W-220 950 Comment
  UC1922022  Logfia depressa Robert F. Thorne, M. Z. Thorne 1973-3-30 42686 Riverside MORONGO VALLEY CANYON: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, on rocky and sandy outwash of Mission Creek. Comment
  RSA577753  Lolium perenne subsp. multiflorum F. M. Reed 1928-8-11 5871 Riverside Near Chino Comment
  RSA552754  Lomatium dasycarpum subsp. dasycarpum Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6740 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  UC875122  Lomatium dasycarpum subsp. dasycarpum I. W. Clokey 1933-4-18 6780 Riverside Gavilan Peak 700 Comment
  UCR265563  Lomatium mohavense Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 4 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  RSA769647  Lomatium mohavense subsp. longilobum Duncan S. Bell, Valentin Arvizu 2010-5-10 981 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1349 Comment
  CLARK-A1528-1445  Lomatium utriculatum John C. Roos 1937-3-24 1341 Riverside Pigeon Pass Comment
  UC56510  Lomatium utriculatum H. M. Hall Apr. 1902 2946 Riverside vicinity of Riverside 365 Comment
  POM9654  Lomatium vaginatum I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  UCR94935  Lonicera subspicata Scott D. White 1996-8-15 4459 Riverside San Jacinto Mtns., Idyllwild Area: Unnamed drainage (tributary to Toll Rd. Cyn.) at crossing w/ USFS Rd. directly west of Isomata. 1555 Comment
  JEPS55406  Lotus argophyllus Marjorie D. Clary 1932-4-3 1184 Riverside 15 mi sw Indio; Colorado Desert, Deep Canyon 304 Comment
  RSA709073  Lotus argophyllus T. B. Salvato, John Green 2004-5-27 632 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  UCR102919  Lotus argophyllus George K. Helmkamp 1998-4-3 3092 Riverside Coachella Valley, Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging staion along the creek 747 Comment
  UCR87651  Lotus argophyllus Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  RSA544375  Lotus hamatus Steve Boyd, T. S. Ross 1991-6-14 6390 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
  UCR143489  Lotus haydonii B. C. Templeton, I. W. Clokey 1930-4-9 1011 Riverside Sonoran (Colorado) Desert, N of Palm Springs 400 Comment
  POM1885  Lotus heermannii H. M. Hall 1901-06 2379 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  POM319688  Lotus heermannii Patricia Wilder 1971-9-29 5266 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. Base of the San Jacintos. 518 Comment
  RSA697967  Lotus humistratus J. R. Bruff 1928-5-2 169 Riverside Cottonwood Springs. Comment
  UCR266810  Lotus humistratus Mitch Provance, Matt Amalong 2015-3-25 315- 20 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
  RSA160514  Lotus nevadensis var. nevadensis J. D. Olmsted 1959-5-23 657 Riverside Desert Sun School near Idyllwild 1646 Comment
  UC15661  Lotus nevadensis var. nevadensis H. M. Hall Jul 1901 2337 Riverside vicinity Deer Springs; San Jacinto Mountains 2743 Comment
  UC15662  Lotus nevadensis var. nevadensis H. M. Hall 1901-7 2491 Riverside shores of Lake Surprise San Jacinto Mountains, Lake Surprise 2499 Comment
  UC864798  Lotus nevadensis var. nevadensis Carl B. Wolf 1932-8-4 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 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
  UCR257222  Lotus purshianus Naomi Fraga, Et al. 2008-8-28 2610 Riverside Peninsular Range; San Jacinto Mountains, Mount San Jacinto State Park; Hidden Lake 2652 Comment
  JOTR31965  Lotus salsuginosus var. brevivexillus La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2202 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  UCR16270  Lotus salsuginosus var. salsuginosus Tony Beck 1968-5-4 680504- 5 Riverside 5 mi west of Beaumont on Hwy 60; 25 yds. south of road on a sandy cut in the hillside. 610 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
  CSUSB1269  Lotus scoparius Sally Bell 1964-5-1 Riverside Highway 60, about 0.5 mile east of the crest of the grade in the Badlands between Sunnymead and Beaumont, on the south side of the road. 914 Comment
  RSA722993  Lotus scoparius M. Wall 2007-6-26 432 Riverside San Jacinto Valley, Bautista Creek wash off Bautista Canyon Rd. 3.0 miles SE of jct with Fairview Ave. 678 Comment
  UCR140692  Lotus scoparius subsp. brevialatus A. C. Sanders 2004-5-11 27848 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  CSUSB1197  Lotus strigosus Kheng Try Seng 1966-3-27 660327 12 Riverside 0.5 mile north corner of Wood and Roberts. About 4 miles from freeway 395. Woodcrest. 487 Comment
  JOTR31966  Lotus strigosus La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2203 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  RSA689379  Lotus strigosus Scott D. White 2001-4-18 8366 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  RSA775600  Lotus strigosus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 991 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UCR112559  Lotus strigosus A. C. Sanders 1998-3-17 21743 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  UCR97432  Lotus strigosus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19885 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  CLARK-A1528-2812  Lotus tomentellus John C. Roos 1937-4-18 1355 Riverside Whitewater Comment
  CLARK-A1528-490  Lupinus albifrons Conrad Bahre 1970-4-30 Riverside San Jacinto Mountains 1523 Comment
  RSA23217  Lupinus arizonicus Ernest Braunton 1940-4-3 2009 Riverside 25 miles Northeast of Indio. Comment
  RSA748592  Lupinus arizonicus Scott D. White, Justin M. Wood 2009-4-28 12612 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  SBBG38558  Lupinus arizonicus E. R. Blakley 1966-4-9 6755 Riverside 1 mi W of Desert Center on US Hwy 60-70 274 Comment
  CLARK-A1528-2820  Lupinus bicolor subsp. microphyllus John C. Roos 1938-4-4 732 Riverside La Sierra Comment
  RSA619249  Lupinus bicolor subsp. microphyllus R. S. Woglum 1937-5-30 590 f Riverside Peninsular Ranges: Santa Rosa Mountains. [Riverside / San Diego counties] Comment
  SEINET10903820  Lupinus bicolor subsp. microphyllus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7142 Riverside Scattered yellow pine at margin of large valley, 5.9 miles se of junction of Idlewild road and hwy 74 on 74. Annual 1341 Comment
  UCR107752  Lupinus bicolor subsp. microphyllus D. L. Banks 1997-5-5 1998 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 S fork of Pechanga Creek 427 Comment
  RSA359881  Lupinus bicolor subsp. microphyllus Steve D. Boyd 1986-4-2 1599 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  POM350018  Lupinus bicolor subsp. umbellatus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  SEINET7062851 Image available Lupinus concinnus A. G. Vestal 1947-3-30 s.n. Riverside A sandy wash bottom at Blackburn Canyon in San Jacinto Valley on Route 74. UTM Zone 11, 511984mE, 3734322mN. (WGS84/NAD83). 546 Comment
  UCR38116  Lupinus concinnus J. M. Stewart 1985-3-16 8510 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  POM46815  Lupinus concinnus subsp. orcuttii Mary F. Spencer 1920-4-19 1464 Riverside Palm Springs. 122 Comment
  LA205088  Lupinus excubitus O. A. Plunkett; 1926-5-6 sn Riverside San Jacinto Mountains 1371 Comment
  SEINET3101942  Lupinus excubitus Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17364 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  JOTR16693  Lupinus excubitus var. hallii Vanderspek & Youse 1964-4-17 64503 Riverside Joshua Tree National Park. Comment
  SBBG69088  Lupinus formosus Mrs. J. D. Wright 1929-6-25 Riverside Idyllwild Comment
  UC489013  Lupinus formosus C. V. Meyer 1929-6-18 773 Riverside Hemet Valley; San Jacinto Mts., Hemet Valley 1341 Comment
  RSA413699  Lupinus hirsutissimus Ora M. Clark 1929-3-16 1685 Riverside South of Cabazon, Colorado Desert. Comment
  RSA5014  Lupinus hirsutissimus Dorothy R. Wolf 1932-3-20 14 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  POM123543  Lupinus hyacinthinus Philip A. Munz, I. M. Johnston 1924-7-27 8772 Riverside Deer Springs, San Jacinto Mountains. 2500 Comment
  SEINET10485438  Lupinus hyacinthinus David B. Dunn 1946-8-17 Dunn 2716 Riverside 1/4 mi. Along trail to hidden lake from round meadow. San jacinto mts. Comment
  SD152848  Lupinus longifolius Steve Boyd 1992-4-15 6881 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Bluewater Canyon along Bluewater Trail downstream to the confluence with San Mateo Creek. 334 Comment
  RSA619547  Lupinus microcarpus D. L. Banks 1997-5-5 1996 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
  UCR35023  Lupinus microcarpus var. densiflorus L. B. Ziegler 1967-4-18 114 Riverside Peninsular Ranges, Foothills of the San Jacinto Mtns, on Poppet Flat Rd 915 Comment
  JOTR31222  Lupinus shockleyi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2006 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 3) sand ramps 432 Comment
  UCD109484  Lupinus sparsiflorus Gordon Pilone 1961-3-1 93 Riverside White Water Canyon, 1/2 mile below fish hatchery. 457 Comment
  UCR16251  Lupinus sparsiflorus Steve Stadler 1966-4-12 41266- 56 .5 Riverside San Bernardino Mtns., Cherry Valley, in back of service station at corner of Cherry Valley Blvd. and Beaumont Ave. 823 Comment
  UCR244296  Lupinus sparsiflorus Jim Andre 2012-4-16 20876 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  UCR26489  Lupinus sparsiflorus A. C. Sanders, S. Hagopian 1981-5-20 2135 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  RSA414277  Lupinus sparsiflorus subsp. sparsiflorus Christopher Davidson 1973-4-19 1992 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  RSA414814  Lupinus sparsiflorus subsp. sparsiflorus H. de Forest 1933-4-17 17604 Riverside Chino Canyon, Colorado Desert. Comment
  RSA691057  Lupinus sparsiflorus subsp. sparsiflorus Scott D. White, Michael Honer 2003-4-9 8988 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  JEPS83239  Lupinus truncatus W. L. Jepson 1935-4-21 17156 Riverside Aguanga; near branch rd. to Pines 603 Comment
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Dec 14 2011
  OBI30746  Lupinus truncatus Rhonda Riggins 1982-4-15 1343 Riverside In wash adj burned chamise dom chaparral, CA 371 3.6 mi N jct CA 79 in Aguanga 610 Comment
  RSA613470  Lupinus truncatus D. L. Banks, Victor W. Steinmann 1997-3-13 1451 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  SD143893  Lupinus truncatus A. C. Sanders, G. Waines, et al. 1997-3-12 19867 Riverside Lake Skinner area; lower Rawson Canyon, along road northeast of Skinner Lake. 456 Comment
  RSA776287  Lycium andersonii Duncan S. Bell 2010-3-20 627 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SEINET10847720 Image available Lycium andersonii var. deserticola Samuel B. Parish 1896-4-4 Parish 4132 Riverside Palm Springs, (Agua Caliente), desert base of San Jacinto Mt. 152 Comment
  RSA463719  Lycium brevipes A. C. Sanders 1985-12-22 5961 Riverside Coachella Valley, bouldery slope at old Indian fish traps, E eand of Ave. 66 at Jackson St. Comment
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Sep 10 2011
  CAS-BOT-BC231477  Lycium brevipes var. brevipes Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  POM10257  Lythrum californicum Unspecified 1903-09 175 Riverside West Riverside bridge Comment
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Apr 7 2011
  POM13382  Lythrum californicum E. C. Jaeger 1921-04 s.n. Riverside Corn Springs, Chuckawalla Mts Comment
  SEINET5343084  Lythrum californicum J. Crutchfield 1965-6-16 213 Riverside Lost Lake Resort, 14 mi S of Vidal Comment
  RSA388409  Lythrum hyssopifolia Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61171 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 534 Comment
  UCR280837  Lythrum hyssopifolia T. B. Salvato, Gregg Miller 2005-6-3 1369 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UCR237479  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2010-3-20 620 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  UCR24940  Madia elegans A. C. Sanders 1980-7-18 1647 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA263670  Madia gracilis E. W. Lathrop 1968-5-26 6935 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCR79471  Madia gracilis Steve Boyd, T. S. Ross 1992-5-6 7263 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area. Oak Flats area, near Lucas Canyon Trail 762 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
  RSA501062  Malacothrix clevelandii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3179 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA559345  Malacothrix clevelandii Steve Boyd, Timothy S. Ross 1992-5-15 7397 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
  UCR103911  Malacothrix clevelandii B. G. Pitzer 1997-4-11 3119 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  CHSC100692  Malacothrix glabrata Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1425 Riverside Colorado Desert; Northeastern Colorado Desert region: Along Palen Road near Hwy 177. 170 Comment
  RSA16510  Malosma laurina Percy C. Everett 1935-6-17 7148 Riverside Santa Ana Mountains, near Glen Ivy Resort on Coldwater Canyon Trail to Santiago Peak. 457 Comment
  CHSC8368  Marah macrocarpa Edward L. Smith 1957-4-3 254 Riverside Located at entrance to White Water Canyon. San Bernardino Mts. 579 Comment
  RSA652410  Marah macrocarpa Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  RSA772120  Marah macrocarpa Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4837 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  SDSU14246  Marah macrocarpa Ingrid Poulin 2002-3-1 2 Riverside Santa Margarita Ecological Reserve; unpaved road approx. 200 ft. west of Red Mountain Truck Trail (0.8 miles from N. Stagecoach Lane). 259 Comment
  UCR35137  Marah macrocarpa L. B. Ziegler 1972-2-7 435 Riverside in the foothills of the San Jacinto Valley 579 Comment
  SBBG22978  Marina parryi D. Myrick 1965-3-2 1070 Riverside near Midland, N of Blythe 91 Comment
  UCR237636  Marina parryi Duncan S. Bell, Amanda Turek 2010-4-10 791 Riverside Riverside Mountains, southern section of the mountain range, c. 1 air mi southwest of Riverside Mountain Peak 269 Comment
  CLARK-A1528-572  Marrubium vulgare Ken F. Clarke 1971-8-11 Riverside Box Springs Mountain Comment
  SEINET2065649 Image available Marrubium vulgare Ed LaRue 1989-4-7 Riverside Woodcrest area, 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyn Road. 365 Comment
  RSA85835  Marsilea vestita F. W. Peirson 1930-5-10 8768 Riverside along the boulevard opposite March Field, south of Riverside 457 Comment
  CSUSB1090  Medicago polymorpha William R. Bowen 1962-4-20 051 Riverside Canyon Crest on the UCR campus 304 Comment
  RSA586924  Medicago polymorpha D. L. Banks, S. D. Boyd 1995-5-3 0259 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
  POM348042  Medicago polymorpha H. de Forest 1929-3-16 14643 Riverside San Bernardino Mts, San Gorgonio Pass. Comment
  SEINET13203029 Image available Medicago truncatula Walter Graves 1996-1 5971 Riverside Riverside, cultivated at UCR agricultural operations fields (Riverside East 7.5' Q.) 366 Comment
  CSUSB855  Melia azedarach Margaret-Lee Dean 1965-5-13 Riverside Bernasconi Hills Bernasconi Hills; 6 miles east of Highway 395 on Martin Road 487 Comment
  CLARK-A1528-4724  Melica frutescens John C. Roos 1952-4-9 5492 Riverside Riverside 396 Comment
  RSA782810  Melica frutescens A. C. Sanders, Nathan Moorhatch 2011-3-22 38765 Riverside Powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 473 Comment
  RSA85572  Melica frutescens J. C. Roos 1952-4-9 5492 Riverside Mt. Rubidoux 396 Comment
  SD237270  Melica imperfecta A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-4-2 37748 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd. 1.65 mi. ESE of Corona Lake, .5 mi, NE of Temescal Canyon Rd. where it goes under I-15. 404 Comment
  SEINET7097940  Melica imperfecta A. G. Vestal 1937-5-9 s.n. Riverside Lat. 33 43' 11ao N, Long. -116 58' 15ao W. (NAD 27 converted to WGS84 decimal degrees) South of Hemet at the foothills of Santa Rosa Hills. UTM Zone 11, 502695 mE, 3730874 mN. Comment
  UCD88010  Melica imperfecta Fred M. Reed 1906-3-17 925 Riverside Riverside and vicinity south fork of Tequesquite Arroyo opposite ore ranch. Comment
  UCR265845  Melica imperfecta Mitch Provance 2012-5-24 512- 15 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UCR88174  Melica imperfecta Karen Kirtland 1992-5-25 s.n. Riverside San Jacinto River between Nuevo Road and San Jacinto Avenue. 427 Comment
  UCR148483  Melilotus albus John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  RSA500170  Melilotus albus Steve Boyd, Orlando Mistretta, Walter Wisura 1989-5-30 3657 Riverside Vail Lake area, disturbed area at base of dam, head of Temecula Creek Cyn. 457 Comment
  UCR156290  Melilotus indicus T. B. Salvato, Kent Beaman 2005-5-16 834 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
  UCR80279  Mentha aquatica L. C. Wheeler 1932-9-4 1316 Riverside Prado Basin, Santa Ana River at Chino Creek 183 Comment
  RSA549249  Mentha canadensis A. C. Sanders, O. F. Clarke 1991-10-5 11746 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  UC63738  Mentha pulegium H. M. Hall Jul 1897 770 Riverside San Jacinto Mt. Comment
  UCR18812  Mentha spicata John C. Roos 1952-8-6 5881 Riverside San Bernardino Valley, Riverside, W end of Fairmont Park 259 Comment
  RSA787206  Mentzelia J. D. Olmsted 1959-4-18 418 Riverside At base of Santa Ana Mts. Drainage area to Santa Ana River. 2 mi N of Elsinore on Hwy 71 on east side of road. 351 Comment
  RSA27524  Mentzelia affinis I. L. Wiggins 1941-3-26 s.n. Riverside Along wash at Wiley well. Comment
  RSA781615  Mentzelia albicaulis Duncan S. Bell 2009-3-8 83 Riverside Arica Mountains: collecting on the mountains ridgeline at the northern part of mountain range approximately 2.7 air miles northwest of Priest Well. 565 Comment
  RSA440410  Mentzelia involucrata Christopher Davidson 1973-4-1 1839 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  SBBG20039  Mentzelia involucrata D. Myrick 1964-3-26 788 Riverside 15 mi S of Twentynine Palms, Joshua Tree Nat Monument 762 Comment
  UCR29258  Mentzelia involucrata George K. Helmkamp 1983-3-24 383- 01 Riverside Sonoran (Colorado) Desert, N side of Chuckwalla Mtns., Chuckwalla Springs Road, 5 mi. west of Graham Pass Road. 366 Comment
  RSA440402  Mentzelia involucrata var. megalantha M. B. Dunkle 1933-5-6 3434 Riverside Painted Canyon Comment
  SDSU8093  Mentzelia veatchiana H. Wedberg 1962-4-20 914 Riverside About 1 mile SE of Pinyon Flats on road to Palm Springs. 1219 Comment
  UCR182432  Mesembryanthemum nodiflorum Mitch Provance 2005-5-17 6557 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
  RSA562102  Micropus californicus Steve Boyd 1992-4-14 6804 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  UCR269901  Microseris douglasii D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3658 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
  UCR220322  Microseris douglasii subsp. platycarpha D. E. Bramlet, Bill Wagner, Ken Osborne 1998-4-9 2586 B Riverside Peninsular Range, north flank of Bachelor Mtn., 1.68 km south of Rawson Road and 1.5 km northeast of the peak of Bachelor Mtn., adjacent (east and west) of the Rawson Cyn. access road 518 Comment
  UCR281229  Microseris douglasii subsp. platycarpha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 45 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  POM316517  Microseris heterocarpa Charlotte M. Wilder 1904-4-23 114 Riverside Jurupa Hills near Riverside. Comment
  RSA556493  Microseris heterocarpa Julie Greene 1993-4-3 1121 Riverside San Jacinto Wildlife Area. Weedy area by Fence Line Road gate. 441 Comment
  RSA192096  Microseris lindleyi E. W. Lathrop 1959-5-3 4512 Riverside 14 miles west of Murrieta. Tenaja Canyon. Comment
  UCR121185  Microseris lindleyi D. E. Bramlet 1989-4-7 1814 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, south of Lake Skinner, 4700 ft. west of Old Warren Rd. and 1700 ft. south of the E-W access road 488 Comment
  UCR240652  Microseris lindleyi Tracy Tennant, Mitch Provance 1998-6-16 MOR- 402 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  RSA507952  Microsteris gracilis subsp. humilis Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2270 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  SBBG47459  Mimetanthe pilosa N. C. Cooper 1944-6-16 1433 Riverside Pine Cove 1524 Comment
  RSA587176  Mimulus aurantiacus D. L. Banks, S. D. Boyd 1995-6-2 560 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands in S32. 902 Comment
  UCD122259  Mimulus aurantiacus W. A. Williams 1951-4-25 s.n. Riverside Santa Ana Mtns. above Elsinore. 457 Comment
  POM8484  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2294 Riverside Butte west of Lakeview. 610 Comment
  UC64230  Mimulus aurantiacus var. pubescens H. M. Hall 1900-5-15 Riverside just se Colton; Reche Canyon 457 Comment
  UCR233080  Mimulus aurantiacus var. pubescens T. B. Salvato, Richard Camacho 2011-6-12 5493 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  POM267767  Mimulus aurantiacus var. puniceus Lyman Benson 1932-3-26 3183 Riverside Summit Temecula Grade. 610 Comment
  RSA715296  Mimulus aurantiacus var. puniceus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32675 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road. 549 Comment
  POM126262  Mimulus bigelovii var. bigelovii Martha Hilend 1927-4-2 s.n. Riverside Box Canyon near Shaver's Well, Colorado Desert. Comment
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Apr 24 2011
  RSA420968  Mimulus bigelovii var. bigelovii N. C. Cooper 1949-4-8 3275 Riverside Shaver's Summit east of Indio. 610 Comment
  UCR174079  Mimulus brevipes A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32583 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  POM10946  Mimulus diffusus P. A. Munz 1922-4-30 5135 Riverside Hills south of Tuscaluta Creek from Aguanga to Hemet Comment
  UCR205444  Mimulus diffusus Jeff B. Galvin, Diane Menuz 2008-4-4 002 Riverside Peninsular Ranges- Palomar Mtns, Agua Tibia, c. 50 m up Woodchuck Rd., beyond National Forest boundary 653 Comment
  UCR217532  Mimulus diffusus Diane Menuz 2008-4-4 392 Riverside Peninsular Range, Palomar Mountains. And 0.5 mi down Woodchuck Rd. from national forest boundary 719 Comment
  JEPS86972  Mimulus fremontii var. fremontii David M. Thompson 1988-3-3 819 Riverside 1.3 mi from Hwy 62 (along road to Canyon House Resort, very near San Bernardino Co. line); Dry Morongo Creek 755 Comment
  RSA442776  Mimulus guttatus E. Crow 1929-4-21 331 Riverside N. of Alberhill Comment
  RSA447956  Mimulus guttatus E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR12595  Mimulus guttatus Bill Schultz 1972-4-30 720430- 7 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn where palm trees are west of dump 2 mi south of Mt. Rubidoux 305 Comment
  UC26917  Mimulus pilosus H. M. Hall 1901-7 2586 Riverside Tamarack Valley San Jacinto Mountains 2499 Comment
  UCR35253  Mimulus pilosus L. B. Ziegler 1967-7-17 186 Riverside San Jacinto Mtns., Hemet Valley, near Herkey Creek Canyon. 1585 Comment
  UCR89771  Mimulus pilosus Scott D. White 1993-5-27 1420 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  UCR138825  Mirabilis californica D. L. Banks 1997-2-23 1306 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  UCR97267  Mirabilis californica Scott D. White 1995-4-5 2746 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCR130122  Mirabilis laevis Scott D. White 2001-4-3 8227 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  CAS-BOT-BC434816  Mirabilis laevis var. retrorsa C. L. Hitchcock 1940-4-1 5906 Riverside 1 mi. below Cottonwood Springs, Joshua Tree National Monument. Comment
  CAS-BOT-BC434823  Mirabilis laevis var. retrorsa Roxana S. Ferris 1918-6-12 938 Riverside 5 mi south of Lancaster Comment
  POM159835  Mirabilis laevis var. retrorsa E. C. Jaeger 1926-3-24 2347 Riverside White Tank, northern edge of Colorado Desert Comment
  SEINET3142126  Mirabilis laevis var. retrorsa J. Keck 1935-4-15 3841 Riverside Lower Morongo Canyon Comment
  POM243648  Mirabilis laevis var. villosa E. C. Jaeger 1938-5-20 s.n. Riverside Thousand Palms canon. 1220 Comment
  UCR112401  Mohavea confertiflora A. C. Sanders, T. B. Salvato 2000-5-16 23390 Riverside Sonoran (Colorado) Desert, Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon 30 Comment
  JOTR34117  Mollugo cerviana La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2667 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  LA62611  Monardella australis subsp. australis Elizabeth McClintock; 1939-7-10 sn Riverside San Jacinto Mountains, Trail to Hidden Lake Comment
  LA62742  Monardella linoides subsp. linoides Elizabeth McClintock; 1940-5-26 sn Riverside about 3 mi W of Pinon Flats, Pines to Palms Hwy Comment
  POM259259  Monardella linoides subsp. linoides P. A. Munz 1938-8-14 15380 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  CLARK-A1528-3179  Monardella macrantha subsp. hallii John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  UC1499909  Monardella nana Elizabeth McClintock 1941-6-8 67 Riverside 1.2 miles east of Ribbonwood. Pines to Palms Highway Comment
  UC1929645  Monardella nana Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8636 Riverside SAN JACINTO MTS: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e. southwest terminus of Double View Dr. west to creek. Comment
  SEINET4151979 Image available Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-1 076 Riverside Peninsular Range; Santa Rosa Mtns.; road up Santa Rosa Mountain, 0.5 mile beyond canyon where stream crosses road 1944 Comment
  UC1499801  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 105 Riverside treil to Suicide Rock (a few hundred ft beyond the forks); San Jacinto Mts. Comment
  UC1499917  Monardella nana subsp. tenuiflora E. McClintock, H. Lewis 1941-6-22 74 Riverside on road to Black Mt. (1 1/2 mi from snow gate) Comment
  UCR35334  Monardella nana subsp. tenuiflora Geraldine Regur 1978-7-14 593 Riverside San Jacinto Mtns, Flats in the Strawberry Valley above Idyllwild. 1707 Comment
  RSA32426  Monoptilon bellioides N. C. Cooper 1944-3-25 1035 Riverside Morongo Pass. 457 Comment
  RSA778233  Monoptilon bellioides Duncan S. Bell 2009-3-8 38 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  SBBG55751  Monoptilon bellioides D. Keil, M. McLeod, D. Walters 1977-3-28 12073 Riverside Pinto Basin Rd, ca. 11 mi S of N park boundary, Joshua Tree Nat Monument Comment
  UCR141143  Monoptilon bellioides June Latting 1973-4-14 s.n. Riverside Sonoran (Colorado) Desert, south entrance to Joshua Tree National [Park] Monument, alluvial slopes south of Cottonwood Mtns. 579 Comment
  UCSB30442  Monoptilon bellioides Wheeler, William 1975-3-9 Riverside In Box Canyon Wash, 13 miles south of interstate 10 on Hwy. 195, south side of road 60 Comment
  RSA94168  Monoptilon bellioides F. W. Peirson 1922-4-11 2868 Riverside Deep Canyon Wash, southwest of Indio 244 Comment
  UCR193371  Montia fontana A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35637 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
  RSA0120240  Muhlenbergia appressa Duncan S. Bell 2016-4-14 9277 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  UCD86559  Muhlenbergia asperifolia F. M. Reed 1933-9-20 8089 Riverside roadgrade at east of Hemet Dam Lake. Comment
  SBBG59549  Muhlenbergia filiformis R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  RSA254127  Muhlenbergia microsperma Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-21 6436 Riverside Big Maria Mountains, 12 air miles north of downtown Blythe 290 Comment
  UCR90300  Muhlenbergia microsperma F. M. Reed 1920-5-24 4351 Riverside Riverside, Box Springs Mtns: Canyon east of Highgrove, above Eureka Ranch 396 Comment
  CAS-BOT-BC275041  Muhlenbergia richardsonis H. M. Hall 1901-7-1 2477 Riverside San Jacinto Mountains. Tamarack Valley 2804 Comment
  CAS-BOT-BC274913  Muhlenbergia rigens H. M. Hall 1901-6-1 2427 Riverside San Jacinto Mountains. Tauquitz Valley 1889 Comment
  UCD87105  Muhlenbergia rigens F. M. Reed 1928-7-10 7491 Riverside Riverside and vicinity. Camp Emerson, San Jacinto Mts. 1676 Comment
  UCR199627  Muhlenbergia rigens Scott D. White 2004-4-26 10255 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR178011  Muilla maritima T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 609 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  POM12951  Myosurus minimus subsp. apus P. A. Munz, J. M. Johnston 1922-5-19 5379 Riverside Menifee Valley. 412 Comment
  UCR110456  Myosurus minimus subsp. apus D. E. Bramlet 1998-4-22 2603 Riverside Perris-Aguanga Basin region, French Valley area, 305m east of Washington Road and 10m north of Rawson Road, 6m west of the San Diego Canal. 447 Comment
  SDSU13517  Myriopteris newberryi W. Miller with C. Mosse 1972-7-11 Riverside Comment
  SEINET3874833  Najas marina Louis C. Wheeler 1953-3-30 7033 Riverside Alligator Slough on the Colorado River. Bottom of slough, submersed, in sun. Rooted in mud.; 0 Comment
  RSA516897  Nama demissa Steve Boyd, Orlando Mistretta 1986-3-13 1414 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA550356  Nama demissa Walter Wisura 1992-3-24 4632 Riverside 13.1 miles NE of Mecca on Box Canyon Road. Comment
  JOTR35300  Nama demissa var. demissa Andre, Jim 2012-4-11 20797 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  POM194892  Nama hispida var. revoluta Roxana S. Ferris 1928-4-22 7188 Riverside Colorado River bottom near Ripley South of Blythe. Comment
  POM10017  Nassella cernua C. F. Baker 1909-05 s.n. Riverside Fairmont Hill. Comment
  RSA613417  Nassella cernua D. L. Banks 1997-4-5 1674 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
  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
  RSA500572  Nasturtium officinale Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3563 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  CHSC109262  Navarretia atractyloides Scott D. White; Michael Horner 2003-6-3 9480 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 457 Comment
  JEPS8950  Navarretia atractyloides Rimo Bacigalupi with G. T. Robbins 1954-5-16 4470 Riverside 0.5 mi n Sage (1.5 mi s of junction of road to Red Mountain, along road from Hemet to Sage (Calif Hwy 179)) 762 Comment
  RSA736378  Navarretia atractyloides Scott D. White, Justin M. Wood 2008-5-1 11919 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  UCR57139  Navarretia atractyloides Ed LaRue 1989-6-14 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, east edge of Plateau overlooking town of Murrieta; c. 1.25 mi west of town and c. 1 mi (airline) east of De Luz Road 549 Comment
  RSA550480  Navarretia fossalis D. E. Bramlet 1992-5-8 2269 Riverside The site is approximatly 8 km south west of Hemet. The vernal pools are located northwest of the intersection California and Stowe Rd. The pools are located some 5-500 ft. N of Stowe Rd and some 20-700 ft. west of Califronia Ave. 465 Comment
  RSA785182  Navarretia fossalis D. E. Bramlet 1993-5-8 2347 Riverside San Jacinto Valley, 7.2 km west of Hemet, 183 m north of Stowe Rd. and 610 m south of Setson Ave.,120 m east of California Ave. and 152 m west of the MWD canal. 456 Comment
  SEINET3087892  Navarretia fossalis Craig Reiser 1993-1 Riverside Comment
  UCR211719  Navarretia fossalis Fred M. Roberts, D. E. Bramlet 2005-6-8 6248 Riverside Perris Basin, San Jacinto Valley, Upper Salt Creek drainage, north of Stetson and west of MWD canal, 1.6 km west of Ryan Airfield 454 Comment
  UCR266253  Navarretia fossalis D. E. Bramlet 2006-5-25 4002 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 24 m east of the San Jacinto River channel and 37 m north of Nuevo Rd. bridge 430 Comment
  UCR18162  Nemacladus glanduliferus A. C. Sanders 1978-3-19 00255 Riverside Santa Rosa Mtns/Colorado Desert, Deep Canyon Reserve, along the Worley Trail just above the Research Center 427 Comment
  JEPS5405  Nemacladus pinnatifidus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1555 B Riverside Temecula River; sw Riverside County Comment
  RSA674707  Nemacladus ramosissimus Scott D. White 2000-5-1 7749 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UCR133188  Nemacladus ramosissimus Frank C. Vasek 1978-5-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon, c. 4 miles by road SSE of Valle Vista 671 Comment
  UC668356  Nemacladus rubescens Annie M. Alexander and Louise Kellogg 1941-4-24 2085 Riverside gorge of Dry Morongo Creek (Morongo Valley); Morongo Valley 640 Comment
  POM10259A  Nemacladus sigmoideus Charlotte M. Wilder 1905-04 575 Riverside Wilder's Canyon, Jurupa Mtns. Comment
  RSA523372  Nemophila menziesii G. H. True 1935-2-22 11 Riverside Mockingbird Canyon. 457 Comment
  RSA75874  Nemophila menziesii F. W. Peirson 1929-5-4 8336 Riverside In open spaces along road, summit of St. John s Grade, south of Hemet. 793 Comment
  SD247444  Nemophila menziesii T. B. Salvato, John Lovio 2013-3-19 7350 Riverside Perris-Aguanga Basin: Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive (Murrieta 7.5'Q) 390 Comment
  UCR162413  Nemophila menziesii S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCSB10586  Nemophila menziesii Wedberg, H. 1957-3-22 Riverside Hwy. 71, near Alberhill Comment
  CLARK-A1528-5059  Nemophila menziesii subsp. integrifolia John C. Roos 1937-5-10 666 Riverside Lake Elsinore Comment
  POM13998  Nemophila menziesii var. integrifolia E. C. Jaeger 1921-6-17 934 Riverside San Jacinto Mtns, Below Greggs Ranch Comment
  CSUSB120  Nemophila menziesii var. menziesii J. R. Sweeten 1965-4-21 Riverside About 1 mile southwest of Lake Matthews Dam; near roadside on steep slope; Riverside. Comment
  CAS-BOT-BC349864  Nicolletia occidentalis Philip A. Munz 1953-5-31 18517 Riverside Juniper Flats, Joshua Tree National Monument 1356 Comment
  RSA25296  Nicotiana obtusifolia C. Leo Hitchcock 1940-3-31 5889 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  UCR104846  Nicotiana obtusifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2665 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR202032  Nicotiana obtusifolia Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  RSA0018758  Nicotiana obtusifolia C. Epling 1934-10 s.n. Riverside Palms to Pines Hwy. Comment
  RSA688837  Nicotiana quadrivalvis Scott D. White, Michael Honer 2003-6-17 9543 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  UCR152583  Nolina parryi James C. Dice 1985-6-13 618 Riverside Peninsular Range; San Jacinto Mtns., Pinyon Flat, c. 1.3 km N of Hwy 74 1250 Comment
  RSA0013355  Notholaena C. P. Cowan 1978-4-23 1202 Riverside 6.3 miles (10 km) south on Highway 74 from its junction with Highway 111 at Indian Wells. 480 Comment
  UC2030242  Notholaena californica Beck with M. D. Windham, C. J. Rothfels, A. Grusz, K. Pryer, E. Schuettpelz 2008-5-15 1093 Riverside Outskirts of Palm Springs just W of Palm Canyon Drive Comment
  SEINET3872753  Notholaena californica subsp. leucophylla Lewis S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash.; 0 183 Comment
  RSA726579  Oenothera deltoides Naomi S. Fraga, Sarah J. De Groot, Lisa Rojas, Lel Lubinsky 2005-2-10 1428 Riverside Along Palen Road near Hwy 177. 170 Comment
  UCR134599  Oenothera deltoides Marisa Sripracha, Kyle Boyd 2004-2-14 015 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  POM355585  Oenothera deltoides subsp. deltoides Glenn Shryoek 1928-3-17 s.n. Riverside Colorado Desert. Painted Canyon. Comment
  POM121832  Oenothera laciniata M. French Gilman 1926-5-18 s.n. Riverside Banning. Comment
  RSA597060  Olea europaea D. L. Banks, Lauren Raz 1996-11-5 1157 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
  SBBG4040  Oligomeris linifolia H. and M. Dearing 1941-4-9 4626 Riverside near Mecca Comment
  UC68557  Oligomeris linifolia H. M. Hall Apr., 1905 5909 Riverside Mule Springs; Colorado Desert, Mule Springs Comment
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Sep 11 2011
  UC68563  Oligomeris linifolia H. M. Hall Apr., 1905 5775 Riverside Indian Well; Colorado Desert, Indian Well 0 Comment
  UCD116473  Oligomeris linifolia A. H. Frederick 1928-3-1 s.n. Riverside Palm Springs. Comment
  UCR148476  Oligomeris linifolia 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
  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
  POM274045  Opuntia basilaris var. basilaris Lyman Benson 1933-3-31 4153 Riverside US 66 [actually US 60], 10 mi E of Banning. 457 Comment
  SBBG88024  Opuntia littoralis A. C. Sanders 1984-4-15 5012 Riverside Mesa de Colorado, 5 air mi SW of Murrieta 60 Comment
  POM306805  Opuntia parryi David Griffiths 1911-1 10397 Riverside Banning region of California Comment
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Apr 5 2007
  RSA7220  Opuntia phaeacantha B. D. Stark 1932-6-5 1510 Riverside Palms to Pines Road, San Jacinto Mountains. 1067 Comment
  CAS-BOT-BC56226  Opuntia polyacantha var. erinacea C. B. Wolf; P. C. Everett 1938-9-29 9458 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  RSA6210  Opuntia polyacantha var. erinacea B. D. Stark 1932-09 4374 Riverside East slope of San Jacinto Mountains on the Palms to Pines road. 1524 Comment
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Dec 11 2011
  JEPS74752  Orcuttia californica N. Hogg 1973-9-15 Riverside 4 mi w Murrietta (cattle tanks in ne portion of mesa); Mesa de Burro Comment
  UCR133436  Orobanche bulbosa Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 446 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR244920  Orobanche cooperi Jim Andre 2012-3-19 21366 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 1.2 mi. east of Hwy 177 184 Comment
  UCSB6224  Orobanche cooperi Stoppel, Gordon 1958-3-22 Riverside Colorado Desert off Indio highway near No Palms Comment
  RSA0066446  Orobanche cooperi subsp. cooperi Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1326 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  UCR263229  Orobanche fasciculata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41461 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  UCR58949  Orobanche fasciculata Kenneth Cooper 1986-4-18 s.n. Riverside San Jacino Mtns, Oasis de los Osos Preserve of the nature conservancy, Snow Creek Canyon, at the N foot of the San Jacinto Mtns Comment
  SEINET10745019  Orobanche fasciculata George Yatskievych 1981-4-26 Yatskievych 81 -137 Riverside State Highway 74, ca. 4 mi SE of Bee Canyon. 823 Comment
  RSA500989  Orthocarpus purpurascens var. purpurascens Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3108 Riverside Vail Lake area, at N base of rounded knob 1.25 mi WSW of dam. 610 Comment
  RSA648279  Orthocarpus purpurascens var. purpurascens Margaret Murphy 1983-4-15 0014 -A Riverside located in the north section of [parcel] 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UC303759  Oxalis albicans subsp. californica I. M. Johnston 1918-5-30 1998 Riverside Temescal Canyon 365 Comment
  UCR19404  Oxalis corniculata C. S. Papp 1963-6-10 269 Riverside Collector's backyard in Riverside [Papp residence] Comment
  RSA78288  Oxytheca trilobata P. A. Munz, E. K. Balls 1952-8-21 17967 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1372 Comment
  CAS-BOT-BC121217  Paeonia californica Carl B. Wolf 1936-6-17 7955 Riverside Santa Ana Mtns, Teneja Road, 1.4 mi off Ortega Hwy, on road to La Cienaga 609 Comment
  CDA8438  Palafoxia arida M. S. Wasbauer 1960-3-26 Riverside Palm Springs. 0 Comment
  UCD134870  Palafoxia arida James B. Garner 1959-3-19 428 Riverside 20 miles south of Vidal Junction, toward Blyth. Comment
  SEINET10941631  Palafoxia arida David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3638 Riverside Found in wash 300 yards below springs. Pushawalla Canyon, Indio Hills or the Colorado desert; west of Indio. Comment
  RSA780228  Palafoxia arida var. arida Stephanie Rockwood, Christi Gabriel 2011-10-12 105 Riverside East side of the West Riverside Mountains. Highway 62 to NS857 (Radio Tower Road) to NS 853 to 7 Wash Road. Vidal Valley. 348 Comment
  UCR104022  Palafoxia arida var. arida George K. Helmkamp, E. A. Helmkamp 1998-2-5 2660 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR153389  Palafoxia arida var. arida Scott D. White 2000-3-23 7634 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms area. North terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 Comment
  UCSB9917  Palafoxia arida var. arida Atsatt, Pete 1958-3-21 Riverside White Water Canyon, 1.5 miles N. of White Water town, off highway 60 & 99 Comment
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Nov 19 2014
  RSA355178  Panicum capillare A. C. Sanders 1986-5-20 6499 Riverside Riverside in vacant lot where an orange grove was recently removed, across the street from 1012 Spruce St. Comment
  HSC21662  Parietaria floridana C. L. Hitchcock, C. V. Muhlick 1964-3-22 23246 Riverside Side canyon near S entrance to Joshua Tree National Monument. Comment
  UCR214275  Parietaria hespera A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37746 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  RSA496741  Parietaria hespera var. californica Steve Myers 1988-2-4 s.n. Riverside Northgate Estates development, immediately NW of Canyon Lake. 488 Comment
  UCD111487  Parietaria hespera var. californica A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-7 24172 Riverside Perris-Aguanga Basin Region: S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon. 502 Comment
  UCR113973  Parthenocissus vitacea Mitch Provance, A. C. Sanders 2000-7-4 2099 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UC53709  Paspalum distichum E. L. Koethen 1897-8-12 7 Riverside Riverside Comment
  POM268769  Pectis papposa Marcus E. Jones 1929-9-16 s.n. Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  GMDRC3106  Pectis papposa var. papposa J. Andre, T. La Doux 2008-9-13 10268 Riverside Eagle Mountains: at Joshua Tree Natl. Park boundary, lower slopes of south end of Eagle Mtns, along aqueduct access road 33 deg. 44.231' N 115 deg. 29.059' W. Elev. 1164 ft. 355 Comment
  RSA644211  Pectis papposa var. papposa V. W. Steinmann 1999-10-26 1417 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  POM368837  Pectocarya heterocarpa Bruce M. Crawford 1932-2-22 s.n. Riverside Near Santa Ana River Comment
  POM368765  Pectocarya linearis subsp. ferocula P. A. Munz, R. D. Harwood 1920-2-28 3237 Riverside 2 mi. southeast of Corona 274 Comment
  RSA757735  Pectocarya linearis subsp. ferocula LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4312 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
  UC1922425  Pectocarya linearis subsp. ferocula Naomi Fraga, Lisa Rojas 2005-2-10 1423 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UCR172185  Pectocarya penicillata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley; small unnamed drainage in agricultural field along Leon Road [San Diego Aqueduct right of way] between Van Gaale Lane and Borel Road 412 Comment
  UCR804  Pectocarya penicillata J. E. Dimitman 1957-4-1 s.n. Riverside at the top of Pigeon Pass Comment
  UCSB5632  Pectocarya penicillata Hutt, D. 1960-3-20 Riverside Junction of Wilson Valley Rd. and Cahucila Rd.; 4 mi. N of Aguanga; Pacific Slope Drainage Area 396 Comment
  RSA678271  Pectocarya peninsularis Valerie Soza, J. M. Porter, Gary D. Wallace 2001-4-2 1081 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  RSA0112091  Pectocarya platycarpa Duncan S. Bell 2010-2-21 545 Riverside Arica Mountains; Palen/McCoy Wilderness area; collecting in the central part of range. 418 Comment
  SBBG6317  Pectocarya platycarpa H. and M. Dearing 1942-2-3 Riverside 6 mi E of Palm Springs Comment
  POM292378  Pectocarya recurvata Lyman Benson 1933-3-31 4175 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  JOTR01189  Pectocarya recurvata Cole, James E. 1941-3-30 446 Riverside Joshua Tree National Park. PINTO BASIN 457 Comment
  JOTR33959  Pectocarya setosa La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2845 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
  JEPS20693  Pellaea mucronata var. mucronata Rimo Bacigalupi with Paul C. Hutchison 1958-2-19 6206 -A Riverside ca. 2 mi w of Ribbonwood (above CA Hwy 74 (Palms to Pines)); San Bernardino Nat'l Forest, sw base Santa Rosa Mts 1371 Comment
  SD227704  Pennisetum setaceum A. C. Sanders 1994-5-15 14485 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River 399 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
  UCR173145  Penstemon centranthifolius Abby Sirulnik 2000-5-7 29 Riverside Peninsular Ranges; San Jacinto Mtns., along Mt. Edna Rd. off of Calif. Hwy 243, c. 5 mi. N of Poppet Flats 1159 Comment
  UCR38098  Penstemon centranthifolius A. C. Sanders 1985-5-4 5779 Riverside Santa Rosa Mtns, Pinyon Flats, c. 100 yards north of Hwy 74 at Pinyon Flats Campground. 1220 Comment
  UCR16011  Penstemon clevelandii subsp. mohavensis Susan McIver 1962-4-22 73 Riverside Mojave Desert, Joshua Tree National Monument, rocky slopes along highway Calif. '15 1067 Comment
  RSA97164  Penstemon grinnellii R. M. Straw 1953-6-25 486 Riverside S.W. slope of Santa Rosa Mtns., Mt. Home Spring. 2134 Comment
  UCR24922  Penstemon labrosus A. C. Sanders 1980-7-18 1654 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA401807  Penstemon spectabilis N. C. Cooper 1944-5-6 1219 Riverside Banning. 610 Comment
  SDSU10974  Penstemon spectabilis Thomas A. Zink 1971-7-1 Riverside Alongside Indian Canyon rd. about 1 mile west of junction with Temescal Canyon Rd. at foot of Trabuco Peak. 518 Comment
  UCR132995  Penstemon spectabilis 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
  RSA97002  Penstemon spectabilis subsp. spectabilis R. M. Straw 1953-6-25 487 Riverside Santa Rosa Mountain Truck Trail, off Palms to Pines Hwy. 1677 Comment
  NY661194  Penstemon spectabilis var. spectabilis F. W. Pennell 1940-4-28 25279 Riverside Route 74, 7-8 miles east of Hemet 548.6 Comment
  JEPS21329  Pentachaeta aurea W. L. Jepson May 17 1901-Jun 1 1901 1292 Riverside Strawberry Valley San Jacinto Mt. Comment
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Jul 8 2014
  UC472721  Pentagramma maxonii M. F. Spencer May 1921 Riverside Palm Springs; Colorado Desert Comment
  SDSU17513  Pentagramma triangularis Jerry Jenkins 2001-3-30 2001 -007 Riverside Santa Margarita Ecological Reserve. Foot of Shaded bluff, west side of S.M. River, slightly north of station. UTM zone 6, 481700N, 3699150E. UTM transfered to GIS. Comment
  UC63690  Perideridia parishii subsp. latifolia H. M. Hall 1897-8-16 851 Riverside San Jacinto Mt.; bogs and meadows 2499 Comment
  UCSB3816  Peritoma arborea Kamb, Peter 1948-4-11 Riverside Banning-Indio Highway east of Whitewater Wash, Coachella Valley 457 Comment
  CAS-BOT-BC77530  Peritoma arborea var. arborea Elizabeth McClintock 1964-4-8 s.n. Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  POM178001  Perityle emoryi Marcus E. Jones 1930-3-15 26505 Riverside Eagle Mountains. Comment
  RSA0042379  Perityle emoryi Duncan S. Bell, LeRoy Gross 2014-3-13 6238 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  UC1428707  Perityle emoryi J. L. Strother 1973-3-23 1154 Riverside e Mecca; Painted Canyon Comment
  UC565484  Perityle emoryi H. L. Mason 1928-3-10 4248 Riverside road from Indio to Palm Springs Comment
  UCR18625  Perityle emoryi John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, rocky canyon 2.5 miles SE of Desert Center 610 Comment
  RSA445152  Petalonyx thurberi Martha Hilend 1928-4-15 183 Riverside Colorado Desert, sand dunes below Garnet Station Comment
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Jan 8 2013
  SBBG69399  Petalonyx thurberi subsp. thurberi R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  UCD126728  Petunia parviflora Leslie Ede 1974-6-1 s.n. Riverside Blythe. Comment
  LA104783  Peucephyllum schottii Barry A. Prigge; 1988-2-21 7848 Riverside Orocopia Mountains, 2 mi. W of Clemens Well, Colorado Desert 228 Comment
  SFV6298  Peucephyllum schottii T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 52 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Sandy wash. Comment
  UCR23993  Peucephyllum schottii John C. Roos 1966-2-5 s.n. Riverside Western Colorado Desert, Pushawalla Wash near 1000 Palms, Indio Hills Comment
  UCR41808  Peucephyllum schottii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6062 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  POM211621  Phacelia affinis A. M. Alexander, Louise Kellogg 1941-5-5 2123 Riverside Los Horse Valley. 1280 Comment
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Feb 4 2013
  RSA0119994  Phacelia affinis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9085 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
  RSA554212  Phacelia ambigua Theo Glenn 1991-4-9 91 -4 Riverside Big wash in Eagle Mountains 787 Comment
  JOTR32915  Phacelia campanularia subsp. vasiformis La Doux, Tasha, Jim Andre 2009-2-28 355 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 0.8mi north of JTNP boundary, approx. 3mi north of Dillon Rd. 631 Comment
  UCR172786  Phacelia cicutaria var. hispida Wayne Law, Jun Hu 2000-5-16 16 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  RSA0107898  Phacelia crenulata Duncan S. Bell, Thomas Stoughton 2010-3-19 570 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  UCR41275  Phacelia crenulata B. G. Pitzer 1986-2-9 0004 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  RSA0035906  Phacelia crenulata var. ambigua J. M. Andre 2013-3-27 24829 Riverside Riverside Mountains; along Wilson River Crossing Rd., 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct. 114 Comment
  UCD120369  Phacelia crenulata var. ambigua P. C. Everett; E. K. Balls 1958-4-29 23011 Riverside U.S. Hwy. 60/70, Indio to Blythe, 6.5 mi. e. from jct. with U.S. Hwy. 99. 243 Comment
  UCR103581  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 1998-1-17 2541 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  RSA0125283  Phacelia crenulata var. minutiflora Duncan S. Bell 2016-3-4 8788 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  UC668397  Phacelia cryptantha Annie M. Alexander and Louise Kellogg 1941-4-24 2078 Riverside Dry Morongo Morongo Valley Gorge 640 Comment
  RSA0120238  Phacelia curvipes Duncan S. Bell 2016-4-14 9279 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  CAS-BOT-BC133970  Phacelia distans Geo. B. Grant 1906-4-20 6775 Riverside Palm Springs Comment
  CHSC713  Phacelia distans V. Holt 1942-3-20 Riverside Desert Center. Comment
  RSA511360  Phacelia distans B. Pitzer 1988-3-12 664 Riverside Santa Rosa Mtns., Pinyon Flats Campground. 1220 Comment
  RSA559958  Phacelia distans Steve Boyd, Orlando Mistretta 1992-4-23 7069 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  UCR215613  Phacelia distans Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 09 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  UCR22086  Phacelia distans Steve Boyd 1980-5-3 178 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UC663064  Phacelia fremontii James E. Cole 1941-5-2 673 Riverside Lost Horse Valley Joshua Tree National Monument 1310 Comment
  SEINET3158182  Phacelia ivesiana E. E. Schellenger 1905-3-12 sn Riverside Paloverde Valley Comment
  UCR89711  Phacelia ivesiana J. M. Stewart 1991-4-7 770 Riverside Sonoran (Colorado) Desert, Pinto Wash south of Joshua Tree National Monument, Eagle Mountains Comment
  CAS-BOT-BC133953  Phacelia minor Milo S. Baker 1928-4-4 2815 b Riverside Tahquitz canon near Palm Sps. Comment
  POM305650  Phacelia minor Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1016 Riverside Aguanga. Comment
  RSA736702  Phacelia minor Scott D. White 2004-4-26 10247 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  SBBG55031  Phacelia minor D. Keil, M. McLeod 1979-3-18 12968 Riverside Alberhill Jct along St Hwy 71 365 Comment
  SEINET3119619 Image available Phacelia minor Philip A. Munz 1940-3-22 15655 Riverside Whitewater Canyon, 2 miles north of Banning-Indio boulevard Comment
  UCR91607  Phacelia minor D. L. Banks 1995-4-11 0171 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, along the Dripping Springs Trail. 951 Comment
  JOTR36431  Phacelia neglecta La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3403 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
  RSA554652  Phacelia neglecta A. C. Sanders, E. J. Lawlor 1992-4-4 12090 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCR116418  Phacelia ramosissima A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24188 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UC63813  Phacelia ramosissima var. ramosissima W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside San Jacinto Valley 457 Comment
  UCR18872  Phacelia ramosissima var. suffrutescens John C. Roos 1952-5-26 5718 Riverside Haas' Ranch, Reche Canyon 457 Comment
  UCR262230  Phacelia umbrosa T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3708 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  RSA428072  Phacelia viscida N. C. Cooper 1949-6-29 4373 Riverside East side of San Jacinto Mountains. 457 Comment
  CLARK-A1528-4793  Phalaris aquatica John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  UCR155813  Phalaris minor John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA711757  Phalaris paradoxa T. B. Salvato, Gregg Miller 2005-6-3 1361 Riverside San Jacinto River ca. 2.5 miles SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plains and enters the hill area above Railroad Canyon. 427 Comment
  RSA797238  Philadelphus microphyllus subsp. pumilus Robert F. Thorne, Walter Wisura 1977-9-17 50774 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UC1132464  Phleum pratense H. S. Yates 1936-8-29 6379 Riverside near Pine Flat; San Jacinto Quad., near Pine Flat Comment
  RSA747864  Phlox austromontana Justin M. Wood 2009-5-11 683 Riverside Morris Ranch Rd., roadside just E of Tripp Meadow. 1616 Comment
  UC23901  Phlox austromontana H. M. Hall 1898-6-27 949 Riverside El Toro Peak San Jacinto Mts. 2651 Comment
  UC23902  Phlox austromontana H. M. Hall May 1899 1168 Riverside Coyote Canyon San Jacinto Mts., El Toro Mt. 1645 Comment
  UCR241919  Pholistoma auritum A. C. Sanders, Timothy W. Chumley 2013-3-28 40699 Riverside Peninsular Range, Alberhill, between I-15 Fwy and Temescal Canyon Rd., west side of Lake St. 376 Comment
  JOTR30674  Pholistoma membranaceum La Doux, Tasha, Jim Andre 2008-3-21 138 Riverside Joshua Tree National Park. Upper Cottonwood Cyn, approximately 2 mi. S. of Cottonwood Visitor's Center 880 Comment
  OBI38805  Phoradendron californicum A. C. Sanders, Pitzer, Charlton, and Kniffen 1986-3-3 6097 Riverside Corn Spring, Chuckwalla Mts 488 Comment
  POM2149  Phoradendron californicum I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 229 Comment
  UC536860  Phoradendron californicum M. C. Jones 1934-2-18 Riverside Colorado Desert, Whitewater Canyon Comment
  RSA132739  Phoradendron densum Del Wiens 1954-10-19 962 Riverside Palms to Pines highway, btwn. Keen Camp and Palm Desert, Hgwy # 74.Pinyon-Juniper WoodlandParasictic on juniper. Comment
  RSA592672  Phoradendron densum Scott D. White, D. Haselfeld 1996-7-2 4264 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
  UCR48630  Phoradendron densum Dennis E. Kucera 1987-2-16 s.n. Riverside SE Mojave Desert, Coxcomb Mtns, near VABM Aqua, N end of range 1280 Comment
  UCR83575  Phoradendron densum A. C. Sanders, P. J. MacKay, L. Lubinsky, Pesach Lubinsky 1994-10-30 15853 Riverside San Bernardino Mtns., Whitewater River Canyon between Red Dome & Stills Landing, SE of VABM Paw (2988 ft.) 854 Comment
  UCR91927  Phoradendron pauciflorum George K. Helmkamp, E. A. Helmkamp 1995-11-16 3- 01 Riverside San Jacinto Mtns., At Humber Park NE of Idyllwild. 2000 Comment
  RSA520086  Phoradendron villosum Steve D. Boyd, David E. Bramlet 1988-10-8 2878 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  CAS-BOT-BC260906  Phragmites australis W. R. Dudley 1903-12-29 s.n. Riverside Palm Springs Comment
  RSA0020378  Phragmites australis Duncan S. Bell, Keir Morse 2013-3-30 4664 Riverside A small hidden spring in an unnamed canyon to the east of Snow Canyon, about 1.8 air miles southwest of Windy Point. 482 Comment
  RSA594133  Phyla nodiflora var. nodiflora D. L. Banks, Victor W. Steinmann 1996-4-20 899 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 524 Comment
  POM184546  Physalis crassifolia C. Leo Hitchcock 1932-4-7 12201 Riverside Corn Springs, Eastern Riverside. Comment
  RSA19416  Physalis crassifolia I. W. Clokey 1935-4-17 6881 Riverside Cottonwood Springs. Comment
  RSA423821  Physalis crassifolia J. Jones, Christopher Davidson 1980-4-4 9934 Riverside West end of the Orocopia Mtns. in a small canyon and wash almost due south of Oro peak. 518 Comment
  SBBG88687  Physalis crassifolia K. K. Muller 1971-11-7 2982 Riverside just S of US 60 opposite S entrance to Joshua Tree Nat Monument Comment
  UCR88301  Physalis crassifolia A. C. Sanders, K. C. Rose 1995-4-5 16364 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR144084  Physalis philadelphica Scott D. White 1998-9-4 7122 Riverside San Gorgonio Pass, Beaumont, 'Oak Valley Golf Course 793 Comment
  JOTR32859  Physaria tenella La Doux, Tasha, E. Babich 2008-3-5 3007 Riverside Joshua Tree National Park. southeastern Hexie Mountains, near Smoke Tree Wash along Rte 11 Comment
  CLARK-A1528-279  Picris echioides John C. Roos 1951-9-25 5280 Riverside Riverside 259 Comment
  SEINET2054260 Image available Picris echioides Heather Hanson 1966-3-28 Riverside Approximately 40 feet due south of the Humanities Building, UCR. 304 Comment
  UCR121134  Pinus coulteri June Latting 1973-9-1 s.n. Riverside San Jacinto Mountains, San Jacinto River canyon [near Strawberry Creek confluence] along Hwy-74 between Hemet and Mountain Center 1220 Comment
  CLARK-A1656-883  Pinus flexilis Jim Cornett 1977-10-7 Riverside San Jacinto Mountains 2590 Comment
  SEINET10530738  Pinus flexilis David B. Dunn 1946-8-17 Dunn 2711 Riverside Found on N side of Laquitz Peak. San Jacinto Mts. 2675 Comment
  RSA0119891  Pinus monophylla Duncan S. Bell, Thomas Stoughton 2016-4-12 9224 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  CDA569  Pinus quadrifolia L. Merrill 1999-8-27 s.n. Riverside Santa Rosa Mtns., Burnt Valley Rd. 0 Comment
  NY42732  Pinus quadrifolia J. B. Walker 1995-3-28 1289 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA359519  Plagiobothrys acanthocarpus Steve Boyd 1986-3-9 1380 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  RSA645633  Plagiobothrys canescens Scott D. White 1999-5-2 7282 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  SD143992  Plagiobothrys canescens A. C. Sanders 1997-3-1 19730 Riverside Box Springs Mountains: Pigeon Pass, canyon below Regulus Road, 0.6 mi. W of Pigeion Pass Rd., 0.4 mi. E of Bench Mark Table (2559 ft.) 609 Comment
  SEINET7063135  Plagiobothrys canescens A. G. Vestal 1963-3-26 s.n. Riverside Near Wood Canyon ?, Banning. UTM Zone 11, 511375mE, 3751508mN. (WGS84/NAD83). 701 Comment
  UCR213613  Plagiobothrys canescens A. C. Sanders, Matthew Malle 2010-4-23 38005 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA659769  Plagiobothrys canescens var. canescens J. C. Roos 1952-4-30 5605 Riverside Hills between Camp Haan and Riverside 518 Comment
  LA210029  Plagiobothrys collinus var. californicus John O'Leary; 1975-4-12 346 Riverside Slope of Box Spring Mountain, about 5 mi from summit 609 Comment
  UCR182164  Plagiobothrys collinus var. californicus Mitch Provance 2003-4-5 6608 Riverside San Bernardino Valley, SW extreme of the Jurupa Mountains, Glen Avon, slopes N of the northern extreme of Campbell St 274 Comment
  POM12984  Plagiobothrys collinus var. fulvescens P. A. Munz, I. M. Johnston 1922-5-19 5417 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  UCR79248  Plagiobothrys fulvus Steve Boyd, T. S. Ross 1992-5-5 7247 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area. south of Oak Flats, SW of the Bluewater Trail 793 Comment
  UCR114956  Plagiobothrys leptocladus Fred M. Roberts 1992-4-25 4869 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
  UCR97273  Plagiobothrys leptocladus Scott D. White 1993-4-30 1325 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  CLARK-A1045-154  Plagiobothrys undulatus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pools near origin of creek; Wildomar 7.5'Q Comment
  UCR126388  Plantago erecta A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 698 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR172285  Plantago erecta John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  HSC86137  Plantago lanceolata B. Freeman 1969-6-28 6906287 Riverside W of Indian Creek, San Jacinto Mts. Comment
  POM158181  Plantago major P. A. Munz, I. M. Johnston 1928-9-6 11267 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA727869  Plantago ovata Naomi Fraga, Lisa Rojas 2005-2-10 1353 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SD187452  Plantago ovata Naomi Fraga, Lisa Rojas 2005-2-10 1353 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, ca. 10 mile east of Highway 177 . 365 Comment
  RSA698378  Plantago ovata var. fastigiata W. Marquart 1938-3-12 s.n. Riverside 10 miles west of Blythe. Comment
  UC845549  Platanthera I. W. Clokey and E. G. Anderson 1935-8-21 6561 Riverside Fuller Creek 1500 Comment
  RSA60299  Platanthera leucostachys G. R. Campbell 1948-7-4 611 Riverside Azalea Trails Girl Scout Camp, Dark Canyon, north of Idyllwild. 1738 Comment
  UC845486  Platanthera leucostachys I. W. Clokey and E. G. Anderson 1935-8-21 6561 Riverside Fuller's Creek 1500 Comment
  LA206295  Platystemon californicus A. L. Haines; L. Erickson 1937-4-9 sn Riverside Hemet road near Winchester turnoff Comment
  RSA500217  Platystemon californicus Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3526 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA613409  Platystemon californicus D. L. Banks 1997-4-5 1682 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  UCR162282  Platystemon californicus S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR162398  Platystemon californicus S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR19213  Platystemon californicus John C. Roos 1942-5-2 1147 Riverside Mojave Desert, Joshua Tree National Monument [now Park]. Hidden Valley Comment
  UCR22124  Platystemon californicus Steve Boyd 1980-4-11 127 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA359874  Platystemon californicus Steve Boyd 1986-4-2 1606 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SEINET13710927  Platystemon californicus S. W. Austin, S. W. Austin 1969-1 23 Riverside W Slope of Mts, E of Railroad Tracks & N of RaviNE N of Big Springs Rd 1500 Ft 457 Comment
  CAS-BOT-BC326646  Pleurocoronis pluriseta S. B. Parish 1906-4-10 4422 Riverside Palm Springs, Colorado Desert Comment
  CAS-BOT-BC326650  Pleurocoronis pluriseta E. A. McGregor 1917-3-18 735 Riverside 5 miles up Painted Canyon, Colorado Desert Comment
  POM41003  Pleurocoronis pluriseta H. M. Hall 1905-4-16 s.n. Riverside Marshall Canyon, 11km W of Coachella, Colorado Desert 30 Comment
  POM6546  Pleurocoronis pluriseta P. A. Munz, L. T. Street, Williams 1919-3-25 2329 Riverside Palm Springs. Comment
  CAS-BOT-BC326533  Pluchea sericea Roxana S. Ferris 1918-6-19 1007 Riverside Colorado River bottoms at Blythe Comment
  POM6853  Pluchea sericea P. A. Munz, L. T. Street, Williams 1919-3-25 2320 Riverside Palm Springs. Comment
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Jul 27 2014
  RSA342539  Pluchea sericea R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54092 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  UC51606  Pluchea sericea Jos. Burtt Davy 1902-3-25 7931 Riverside Indio Comment
  UC69338  Poa H. M. Hall 1899-5-22 1137 Riverside Johnston's Ranch 1524 Comment
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Mar 27 2016
  UCR2674  Poa annua F. M. Reed 1904-3-11 661 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  RSA783398  Poa fendleriana J. D. Olmsted 1962-6-23 5290 Riverside SE San Bernardino Mts: Along trail to Calelectric water intake on S. fk. Whitewater River. Comment
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Feb 24 2013
  UCR201662  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12260 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  RSA772412  Poa secunda Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4853 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCD90298  Poa secunda A. A. Beetle 1944-4-27 3003 Riverside West of Murietta. Comment
  SDSU18642  Poa secunda subsp. juncifolia C. Matt Guilliams, Jeannine Ross 2008-3-12 531 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 428 Comment
  UCR189815  Polygala cornuta var. fishiae Theresa Johnson 2006-7-7 221 Riverside Peninsular Range, Santa Ana Mountains, 0.2 mi North of Orange County border. Just north of Indian Truck Trail. Along SE edge of road at base of rock wall 1063 Comment
  SBBG132548  Polygonum aviculare subsp. depressum S. D. White, J. M. Wood 2008-6-16 12139 Riverside meadow at Quinn Flat, San Jacinto Mtns 1378 Comment
  POM48565  Polygonum bistortoides Mary F. Spencer 1919-7-6 1262 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  IRVC3047  Polypodium californicum Tony Price 1965-4-24 HS 574 Riverside Highway 74; 1.5 miles W of Dripping Springs Gaurd Station. Comment
  CAS-BOT-BC237273  Polypogon monspeliensis H. M. Hall 1901-6-1 2274 Riverside San Jacinto Mountains. Vicinity of Strawberry Valley 1615 Comment
  UCD91237  Polypogon monspeliensis A. A. Beetle 1942-4-23 3190 Riverside 32 miles north of Blythe, Rt. 95 banks of Colorado River. Comment
  CAS-BOT-BC102587  Populus fremontii W. R. Dudley 1903-12-25 s.n. Riverside Palm Springs Comment
  RSA104886  Populus fremontii H. de Forest 1925-4-17 s.n. Riverside Indio. Comment
  SD46504  Populus fremontii P. C. Everett, E. K. Balls 1956-5-1 21549 Riverside Hwy 95, 25 mi. s, of San bernardino-Riverside County line, Vidal to Blythe 399 Comment
  UCR235080  Populus fremontii A. C. Sanders, John F. Green 2012-6-1 40233 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, SE of I-15 junction with Horsethief Cyn. Rd., 7 miles N of Lake Elsinore 381 Comment
  SD157475  Populus trichocarpa Bill Knerr 1998-7-1 Riverside S16 (Pala Road) junction with Rainbow Heights Road, 3.4 miles south of Hwy 79. Comment
  CAS-BOT-BC356161  Porophyllum gracile James R. Shevock 1978-4-26 5883 Riverside Along Skyline Road. Santa Ana Mountains, Cleveland National Forest 365 Comment
  RSA525440  Porophyllum gracile Steve Boyd, David E. Bramlet 1990-4-29 4485 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  RSA717463  Porophyllum gracile Scott D. White 2006-4-28 11320 Riverside Elsinore Basin: Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  RSA774297  Porophyllum gracile Duncan S. Bell 2011-4-7 2185 Riverside The east side of the Arica mountains; approximately 1.2 air miles north of Priests Well. or approximately 4.5 air miles southwest of the ghost town of Rice. 308 Comment
  UC420632  Portulaca oleracea F. M. Reed 1905-9-25 Riverside Riverside Comment
  RSA356637  Potamogeton foliosus Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. L. Lathrop 1975-8-29 47291 Riverside Santa Rosa Plateau: Ranch California near Jct of road to Santa Rosa Ranch from Tenaja Road, in shallow water of large pool in intermittent stream 549 Comment
  UC91954  Prenanthella exigua Frank Stephens 1899-1 Riverside Colorado Desert Comment
  GMDRC3105  Proboscidea althaeifolia J. Andre, T. La Doux 2008-9-13 10267 Riverside Chuckwalla Valley: along dirt road approx. 2 mi. N. of Desert Center, 0.5 mi. W. of Tamarisk Golf Course (at Kaiser Rd Jct) 33 deg. 44.159' N 115 deg. 24.434' W. Elev. 769 ft. 234 Comment
  UCR163074  Proboscidea althaeifolia B. G. Pitzer, G. R. Ballmer 2000-10-14 4232 Riverside Sonoran (Colorado) Desert, large wash c. 5.3 miles east of Ford Lake Rd. and 1 mile west of Wiley's Well Rd., off gasline road c. 200 yards south of Hwy I-10 115 Comment
  SEINET695566  Proboscidea louisianica Howard Scott Gentry 1948-6-30 8181 Riverside Gentry Farm, ca. 3 miles northeast of Murrieta. Comment
  POM348733  Prosopis glandulosa var. torreyana Howard Mullins 1931-4-11 s.n. Riverside Palm Springs. Comment
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Jul 5 2010
  POM348749  Prosopis glandulosa var. torreyana Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea. Comment
  POM296515A  Prunus fasciculata Lyman D. Benson 1954-5-2 15277 Riverside Hidden Valley Camp, Joshua Tree National Monument. Mojave Desert Drainage Area. 1341 Comment
  RSA304922  Prunus fasciculata James R. Shevock 1971-3-6 742 Riverside White Tank, Joshua Tree National Monument. 884 Comment
  SD229261  Prunus fremontii Dick Schwenkmeyer 2013-6-11 917 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  CAS-BOT-BC154440  Prunus ilicifolia D. Bramlet 1999-4-10 2734 Riverside Bachelor Mountain. North facing slope 152 m northwest of the peak 726 Comment
  UC729658  Prunus ilicifolia Carl B. Wolf 1932-5-25 3666 Riverside Snow Creek Canyon, just above fish hatchery, n base of San Jacinto Mountains Snow Creek Canyon; San Jacinto Mountains, Snow Creek Canyon 670 Comment
  UC990729  Psathyrotes ramosissima Roxana S. Ferris 1953-3-10 12603 Riverside Thousand Palms Indio Hills Comment
  UCD84942  Psathyrotes ramosissima Chuck Hughes 2010-3-25 214 Riverside About 400 ft north of Arlington Mine Road, next to railroad tracks. 220 Comment
  MACF019489  Pseudotsuga macrocarpa Trudy R. Ericson 1974-11-9 270 Riverside Approx. 5 mi. west of intersection of St. 74 and 243, going toward Hemet. San Bernardino National Forest. 1219 Comment
  RSA759172  Pseudotsuga macrocarpa Doug Goldman, Pat Griffith 2005-3-4 3048 Riverside South side of Route 74, about 0.7 miles west of the intersection with Route 243. San Bernardino national Forest. 1326 Comment
  UCR140312  Psilocarphus brevissimus A. C. Sanders, Guy Bruyea 2004-4-2 27421 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  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
  JOTR37055  Psorothamnus emoryi Hodges, Stephen R., E. Heck and A. Ingersoll 2015-9-24 610 Riverside Joshua Tree National Park. Pinto Basin, in sandy wash running west from Pinto Wells at the base of sand ramps and the Eagle Mountains Comment
  RSA748290  Psorothamnus emoryi Justin M. Wood 2009-3-26 418 Riverside Thousand Palms, Ramon Rd., 1.4 miles E of Monterey Ave., just E of Edison substation. 61 Comment
  RSA796322  Psorothamnus emoryi Duncan S. Bell 2009-4-18 211 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
  UCR264247  Psorothamnus polydenius A. C. Sanders, Jim Malusa 2015-9-11 41877 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, Iris Pass 691 Comment
  CAS-BOT-BC340903  Psorothamnus schottii F. O. Ballou 1926-2-25 s.n. Riverside Bottom of Painted Canon [Canyon] near Mecca Comment
  CAS-BOT-BC340917  Psorothamnus schottii Carl B. Wolf 1932-4-27 2990 Riverside Colorado Desert. 14 mi. E. of Mecca, on Blythe Road (E. of Shavers Well) 152 Comment
  RSA167563  Psorothamnus schottii Robert F. Thorne, R. Rutherford 1964-4-12 33655 Riverside 1 mile W of turnoff to Cottonwood Wells [Springs]. Larrea desert scrub along Hwy. 60-70. Comment
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Apr 25 2011
  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
  UCSB3060  Psorothamnus schottii Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  RSA33633  Psorothamnus spinosus N. C. Cooper 1944-7-15 1603 Riverside Palm Springs. 122 Comment
  RSA467852  Pterospora andromedea Christopher Davidson 1978-6-15 7395 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  RSA343093  Pterostegia drymarioides Robert F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60621 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  SBBG103856  Pterostegia drymarioides M. A. Patten 1992-5-7 92 -28 Riverside Via Vaquero at Via Oesta, ca. 5 km W of Temecula, Santa Rosa Plateau Comment
  UCR214131  Pterostegia drymarioides A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37735 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
  UCR130093  Pulicaria paludosa G. R. Ballmer 2003-11-22 s.n. Riverside Colorado River Valley, Northern Paloverde Valley, east of Hwy 95, c. 5 miles NE of Blythe, east end of 2nd Ave. 87 Comment
  JOTR16838  Purshia tridentata var. glandulosa Hogan, J. 1974-5-6 43 Riverside Joshua Tree National Park. LOWER COVINGTON FLAT PARKING AREA 1432 Comment
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Jun 9 2013
  UC64543  Purshia tridentata var. glandulosa H. M. Hall 1897-4-7 448 Riverside near Whitewater; Colorado Desert Comment
  LA205350  Quercus X acutidens Jonathan Sauer; Frank C. Vasek 1973-9-26 5544 Riverside Mesa de Colorado SW of Murrieta Comment
  JOTR32647  Quercus X munzii La Doux, Tasha, Mike Bell 2006-11-22 1615 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Queen Valley area; Live Oak picnic area 1267 Comment
  UCR260521  Quercus agrifolia var. agrifolia T. B. Salvato 2014-5-29 8050 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  RSA79037  Quercus agrifolia var. oxyadenia E. K. Balls, Percy C. Everett 1952-11-18 18255 Riverside Vandeventer Flats, s.e. end of San jacinto Mts., 1402 Comment
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Jun 30 2012
  RSA0081317  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812 -32 Riverside Western Riverside County: Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero. 752 Comment
  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
  UCR140300  Quercus berberidifolia A. C. Sanders 2004-4-9 27456 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
  UCR89898  Quercus berberidifolia A. C. Sanders 1995-11-26 17911 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  UCSB12186  Quercus berberidifolia Breedlove, Dennis 1962-3-11 Riverside 5.7 miles northwest of Mountain Center, at junction with Riverside Highway 1 on State 74 944 Comment
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Feb 24 2013
  CAS-BOT-BC45769  Quercus cornelius-mulleri B. Trowbridge 1979-4-17 6096 Riverside Hiden Valley, Joshua Tree National Monument 914 Comment
  JOTR32951  Quercus cornelius-mulleri La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 302 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Live Oak Picinic Area; coarse sandy wash with granitic outcrops Comment
  RSA487834  Quercus cornelius-mulleri A. C. Sanders, E. J. Lawlor 1988-10-22 8719 Riverside Pinyon Flats, Santa Rosa Mountains, along Horsethief Creek where the trail from Dolomite Mine crosses. 1100 Comment
  SD126461  Quercus cornelius-mulleri A. C. Sanders, E. J. Lawlor 1988-10-22 8719 Riverside Santa Rosa Mountains, Pinyon Flats area, along Horsethief Creek where the trail from the Dolomite Mine crosses, on slopes above the riparian zone 1100 Comment
  UC219231  Quercus cornelius-mulleri P. A. Munz, D. Keck 1922-5-7 5259 Riverside Keyes Ranch Little San Bernardino Mts. 1066 Comment
  UCD46014  Quercus engelmannii Frank C. Vasek 1975-9-11 s.n. Riverside Large tree in Horsethief Creek Canyon, southwest of Pinyon Flat, where the Cactus Spring Trail crosses, Riverside County, California. Comment
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Oct 4 2019
  UCR155338  Quercus engelmannii A. C. Sanders, Mike Misenhelter 2005-3-23 29264 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  CAS-BOT-BC105320  Quercus kelloggii Carl Epling 1931-10-4 s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  SJSU10151  Quercus kelloggii A. W. Jacobs 1938-8-1 Riverside Mt Tahquitz trail near Keen Ranger Station 1409 Comment
  UC848091  Quercus kelloggii Carl Epling 1931-10-4 Riverside Strawberry Valley San Jacinto Mts. Comment
  UC848228  Quercus palmeri P. A. Munz and I. M. Johnston 1922-5-21 5513 Riverside Head of Hemet Valley San Jacinto Mts. 1524 Comment
  SD212631  Quercus wislizeni T. B. Salvato 2004-5-27 592 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  UC63152  Rafinesquia californica H. M. Hall 1902-4-27 2987 Riverside vicinity Riverside 365 Comment
  UCR46703  Rafinesquia californica D. C. Hawks, Guy Bruyea 1987-4-14 s.n. Riverside Gavilan Hills, on Juniper Rd, 1 mi north of intersection between Juniper and Idaleona Rds 640 Comment
  JEPS30457  Rafinesquia neomexicana Peter H. Raven 1958-2-15 11581 Riverside Corn Springs Chuckwalla Mountains Comment
  UC829468  Rafinesquia neomexicana C. L. Hitchcock 1940-4-2 5919 Riverside wash Cottonwood Spring (Joshua Tree National Monument); , Cottonwood Spring wash Comment
  UCR245961  Rafinesquia neomexicana Duncan S. Bell 2009-3-8 70 Riverside Arica Mountains, north tip of range, c. 3 air miles NW of Priest Well, or c. 5.5 air miles SW of ghost town of Rice 404 Comment
  UCR202600  Ranunculus aquatilis Scott D. White, Justin M. Wood 2008-7-9 12442 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  CAS-BOT-BC378490  Ranunculus californicus var. californicus Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37427 Riverside Santa Rosa Plateau; abundant in grasslands on Mesa Colorado near large vernal marsh, Rancho California 670 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
  SEINET8727730 Image available Raphanus sativus Jean Coulson 1959-1 s.n. Riverside Riverside; N. W. corner, Canyon Crest & Linden. 2007 Comment
  UCR241187  Rhamnus californica Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 516 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR140660  Rhamnus californica subsp. tomentella Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 86 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  HSC93109  Rhamnus crocea Scott D. White 1996-4-14 3918 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  UC1537011  Rhamnus crocea Gordon H. True Jr. 1935-4-5 217 Riverside Gavilan Peak Gavilan Hills 609 Comment
  UCR114807  Rhamnus crocea Mitch Provance 1998-2-17 53 Riverside Jurupa Mountains, Pyrite Canyon, 'Central Pyrite Dune', c. .3 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 320 Comment
  CAS-BOT-BC56048  Rhamnus ilicifolia P. C. Everett 1935-6-18 7207 Riverside Santa Ana Mts., Coldwater Can. Trail, about 1 1/2 mi. below (No.) main divide motorway 1280 Comment
  UCD112333  Rhamnus ilicifolia Ted C. MacRae 1995-5-25 41 e Riverside 2.4 miles NE of Pinyon Flats on Highway 74, Santa Rosa Mountains. 1219 Comment
  POM19809  Rhamnus tomentella subsp. cuspidata Mary F. Spencer 1923-7-1 2189 Riverside Fern Valley. 1677 Comment
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Nov 18 2011
  UC1929485  Rhododendron occidentale Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1707 Riverside Peninsular Ranges; San Jacinto Mountains region; Fuller Mill Creek Picnic Area. 1524 Comment
  JOTR30773  Rhus aromatica La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1885 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  UCR34998  Rhus aromatica L. B. Ziegler 1974-4-2 521 Riverside San Jacinto Mountains, foothills of the San Jacinto Mountains, hillside slopes of lower Bautista Canyon 612 Comment
  UCR16588  Rhus integrifolia Joe Buriel 1966-2-26 s.n. Riverside E slope of small hill north of Mt. Rubidoux 306 Comment
  RSA16370  Rhus ovata Percy C. Everett 1935-6-17 7161 Riverside Santa Ana Mts. Coldwater Canyon trail to Santiago Peak. 2 miles above Glen Ivy resort. 609 Comment
  UC1002628  Rhus ovata Alice Yates and Jas. E. Wilcox 1954-1-29 Riverside Whitewater Canyon 457 Comment
  UC1130532  Rhus ovata A. Lewis 1934-3-4 305 Riverside Tin Mine Canyon; Cleveland National Forest 701 Comment
  UCSB3756  Rhus ovata Haller, John 1950-5-21 Riverside San Jacinto Mountains; Pinon Flat 1219 Comment
  SD187324  Rhus trilobata Scott D. White, Angelia Carey 2004-4-16 10155 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  SEINET959435  Ribes cereum A. C. Sanders 2006-1 32826 Riverside Schell Creek Range: Canyon c. 0.7 mi. above Rosebud Spring, c. 0.5 mile SW of VABM Connor ( 2633m), 2.5 miles SSW of Hwy 50/93. 2400 Comment
  CAS-BOT-BC173131  Ribes indecorum A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19905 Riverside Lake Skinner area: upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  POM305346  Ribes indecorum Henry J. Ramsey 1938-2-25 672 Riverside Temecula Comment
  SBBG104048  Ribes indecorum S. D. White 1992-3-29 92 -55 Riverside Millard cyn, slope below fork with E Millard Cyn Rd Comment
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Sep 8 2014
  UCR138809  Ribes indecorum D. L. Banks, J. Moreno 1997-2-5 1253 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  SD148073  Ribes malvaceum var. malvaceum A. C. Sanders, Kent Beaman 2002-5-10 25054 Riverside Santa Rosa Plateau; hills west of the head of De Luz Creek, 0.4 mile south of Tenaja Road. 671 Comment
  CAS-BOT-BC219233  Ribes nevadense Nancy Ryan Zabriskie; Walter Zabriskie 1971-5-16 406 Riverside Beside Banning Road below Pine Cove, W slope San Jacinto Mountains 1524 Comment
  LA205507  Ribes roezlii W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  RSA221070  Ribes speciosum E. W. Lathrop 1966-3-23 6087 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  RSA618368  Romneya coulteri var. trichocalyx D. L. Banks 1997-6-16 2060 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Pechanga Road, approximately 20 m south of the intersection of Hunter Lane and Moreno Road. 377 Comment
  UCR172286  Rorippa nasturtium-aquaticum John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  RSA192335  Rosa californica H. A. Zuill 1966-6-5 200 b Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  CAS-BOT-BC147177  Rubus parviflorus H. E. McMinn 1925-7-2 1506 Riverside Tahquitz Trail - Mt. San Jacinto from [Idylwild] Idyllwild Comment
  LA20820  Rubus parviflorus W. B. Welch; 1928-5-5 Riverside San Jacinto Mountains, Idlywild Comment
  SBBG3103  Rubus parviflorus M. Lewis 1947-8-26 10 Riverside Dark Cyn 1981 Comment
  RSA757443  Rumex crispus Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55222 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
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Oct 27 2011
  UCR41055  Rumex dentatus O. F. Clarke 1985-5-13 s.n. Riverside San Jacinto River Valley, Gun club ponds east of Davis Road, a short distance north of Lakeview, east of the Bernasconi Hills 428 Comment
  UCR89820  Rumex dentatus 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
  UCR88577  Rumex hymenosepalus A. C. Sanders, J. C. Lyman 1995-4-16 16563 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  UCR57986  Rumex maritimus Jeri Hirshberg 1989-7-27 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, E end of Vail Lake, in 'draw down' area Comment
  UCR116591  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  UCR202243  Rumex salicifolius Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR268299  Rumex salicifolius Jim Andre 2012-6-15 30552 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  RSA466124  Rumex salicifolius var. denticulatus M. B. Dunkle 1933-7-20 3703 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  SDSU13632  Rumex salicifolius var. denticulatus W. Miller, C. Mosse 1972-7-20 Riverside By olive trees at north boundary in turn in road. Comment
  UCR113986  Rumex salicifolius var. salicifolius Mitch Provance, A. C. Sanders 2000-7-4 2109 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  HSC27202  Salazaria mexicana J. P. Smith, J. O. Sawyer 1973-6-10 6889 Riverside Joshua Tree National Monument. Comment
  JOTR30066  Salazaria mexicana La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1696 Riverside Joshua Tree National Park. Stop # 3 = Near Geology Tour rd., N of Malapai Hill 1219 Comment
  SEINET3825212 Image available Salazaria mexicana C. L. Hitchcock 1940-4-1 5905 Riverside 1 mile below Cottonwood Spring, Joshua Tree National Monument Comment
  UC1124634  Salazaria mexicana A. E. Wieslander 1938-5-5 738 Riverside 1 mi s Black Hill; Thermal Quad. 975 Comment
  SEINET13947224 Image available Salazaria mexicana J. C. Roos 1965-1 s.n. Riverside Dos Palmas Springs, Santa Rosa Mountains Comment
  CAS-BOT-BC129741  Salix bonplandiana Marian L. Campbell 1921-3-19 37 Riverside Banning Comment
  RSA0010965  Salix exigua var. exigua Lyman D. Benson 1949-3-28 13564 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  LA208628  Salix exigua var. hindsiana Mrs. H. P. Bracelin; 1932-4-12 599 Riverside E side of bridge over Santa Ana River, 4.8 km. N of Arlington on rd to Pedley, W of Riverside 240.0 Comment
  CAS-BOT-BC108119  Salix gooddingii Munz; Street; Williams 1919-3-26 2342 Riverside Fig Tree John's Spring, Salton Sea - Colorado Desert -45 Comment
  RSA33367  Salix gooddingii N. C. Cooper 1943-9-26 931 Riverside Cabazon. 549 Comment
  UCR214684  Salix gooddingii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37670 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 366 Comment
  UCR37445  Salix gooddingii Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Long canyon running from NW/4 of section 2 through the E/2 of section 3 Comment
  RSA715295  Salix laevigata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32676 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road. 549 Comment
  POM319100  Salix lasiolepis Patricia Wilder 1971-11-11 5300 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 Comment
  POM319279  Salix lasiolepis Patricia Wilder 1972-2-18 5356 Riverside North side of Norco, along the Santa Ana River at the end of Pedley St. 229 Comment
  UC1134994  Salix lasiolepis A. Lewis 1934-5-1 410 Riverside San Juan Canyon Cleveland National Forest, Elsinore Quadrangle Comment
  UCD111647  Salix lasiolepis B. Pitzer 1997-4-20 3179 Riverside Lakeview Mountains. Intersection of Dutton St. with Voltaire Vista Road. 610 Comment
  UCR114320  Salix lasiolepis Mitch Provance 1998-3-21 270 Riverside Jurupa Hills, Sunnyslope, near the Ormand Quarry, at the corner of 30th St. and Sierra Ave. 274 Comment
  RSA0035638  Salix lasiolepis Phil Elliott 1981-2-16 9 Riverside On Santa Rosa Road, 3.9 miles west of CA Hwy. 74. Comment
  UCR160884  Salix lucida subsp. lasiandra T. B. Salvato, Kelly Volansky 2004-11-17 113 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA314488  Salsola paulsenii R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55359 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA643438  Salsola paulsenii R. D. Goeden, D. W. Ricker 1979-3-29 s.n. Riverside Coachella Valley: Indio, Monroe St., 33 40' 30''N, 116 16'W -6 Comment
  RSA0094963  Saltugilia australis A. C. Sanders, Giles Waines, Ehdaie, Aryavand 1997-3-12 s.n. Riverside Lake Skinner area; Lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  RSA157909  Saltugilia australis P. A. Munz 1927-5-20 10811 Riverside 10 miles S. of Hemet. Comment
  UC310670  Saltugilia australis Philip A. Munz 1926-5-2 10424 Riverside 5 mi nw Dripping Spring; nw of Dripping Spring Comment
  RSA0094962  Saltugilia australis F. W. Peirson 1921-3-22 4136 Riverside Murray Canyon, Colo. Desert. 396 Comment
  CAS-BOT-BC232920  Saltugilia latimeri Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto Comment
  UC880174  Saltugilia splendens subsp. splendens I. W. Clokey, E. G. Anderson 1935-8-21 6827 Riverside Keen Camp P.O. 1350 Comment
  RSA411314  Salvia apiana M. M. Thompson 1947-6-9 C 2081 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SD137722  Salvia apiana Darin L. Banks, Steve Boyd 1995-5-9 350 Riverside North of the Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area. 730 Comment
  UC25654  Salvia apiana Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  RSA500077  Salvia carduacea Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3235 Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  SFV4265  Salvia carduacea W. A. Emboden, Jr. 1962-4-26 2053 Riverside Roadside 2 miles west of Anza on road from Anza to Highway 79. -15 Comment
  UCLA70112  Salvia carduacea C. Epling and J. Ewan Jun 1933 Riverside near Alberhill; Temescal Canyon Comment
  CSUSB1062  Salvia columbariae Kheng Try Seng 1966-3-27 660327 11 Riverside 0.5 mile north corner of Wood and Roberts. About 4 miles from freeway 395. Woodcrest. 487 Comment
  RSA524579  Salvia columbariae Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4126 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
  SD10679  Salvia columbariae Mrs. D. R. Wolf 1932-3-20 28 Riverside 2.5 Mi N of De Luz, Redman Ranch 1500 Comment
  UCR172785  Salvia columbariae Wayne Law, Jun Hu 2000-5-16 18 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  UCR216409  Salvia columbariae Michael L. O'Leary 2008-4-16 07 Riverside Little San Bernardino Mtns., Eureka Peak, Joshua Tree National Park, almost on the San Bernardino Co. line 1671 Comment
  UCR226068  Salvia columbariae A. C. Sanders, T. B. Salvato 2011-4-1 38962 Riverside Peninsular Range, Lake Elsinore, hill 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 395 Comment
  UCR269870  Salvia columbariae A. C. Sanders, Jim Malusa 2016-3-18 42368 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  SEINET13947334 Image available Salvia columbariae C. L. Hitchcock 1966-1 24155 Riverside 1 mi E of Glen Ivy hot springs. Comment
  RSA0123155  Salvia eremostachya Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8965 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 668 Comment
  RSA580061  Salvia greatae C. Epling, Mrs. Epling 1937-6-10 s.n. Riverside Hidden Spring near Mecca. Comment
  RSA27574  Salvia mellifera C. L. Hitchcock 1940-4-12 6047 Riverside 8 mi. northwest of Elsinore 457 Comment
  UCR91611  Salvia mellifera D. L. Banks, Steve Boyd 1995-3-30 0129 Riverside Agua Tibia Mountains Watershed, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., west of the Dripping Springs Alcove, on the Woodchuck Trail 634 Comment
  CLARK-A1528-1326  Salvia mohavensis John C. Roos 1947-11-1 3753 Riverside Lost Palms Canyon Comment
  UC1234576  Salvia mohavensis Peter H. Raven and David Verity 1960-6-5 15497 Riverside Salton View; Joshua Tree National Monument Comment
  RSA259205  Salvia pachyphylla P. A. Munz 1938-8-14 15346 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  UC597618  Salvia vaseyi Philip A. Munz 1937-5-29 15146 Riverside Dead Indian Creek Plants of Southern California, N base of Santa Rosa Mts. 457 Comment
  UCLA69741  Salvia vaseyi C. Epling and L. Haines 1937-5-7 Riverside 0.6 mi below Shumway Road (Palms-to-Pines Highway) Comment
  RSA716255  Sambucus mexicana Scott D. White, Angelia Carey 2004-4-5 10009 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR112798  Sambucus mexicana A. C. Sanders 1997-5-1 20618 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  SD129457  Samolus parviflorus J. Hirshberg 1989-7-25 Riverside Butterfield country, SW of Vail Lake. Comment
  UCR97681  Sanicula arguta A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19912 Riverside Lake Skinner area, ridgetop (2283 foot ridge) on north side of valley in hills east of Rawson Canyon, 1 mile south of Crown Valley. 671 Comment
  HSC85413  Sanicula bipinnatifida Steve Boyd 1986-3-9 1379 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just E of Claymine area 427 Comment
  SEINET273147  Sanicula bipinnatifida A. C. Sanders 1997-3-26 20137 Riverside Lake Skinner Area; large clay patch adjacent to the Skinner entrance rd ca 1 km NE of Borel Rd. UTM 10km cell; MH-9E 473 Comment
  RSA97373  Sanicula tuberosa F. W. Peirson 1922-4-29 4053 Riverside Leach Canyon, near Lake Elsinore, Santa Ana Mts. 610 Comment
  CLARK-A1528-1468  Sarcostemma cynanchoides John C. Roos 1940-8-20 906 Riverside Reche Canyon Comment
  UCR213253  Sarcostemma cynanchoides A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37704 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  JOTR30681  Sarcostemma hirtellum Andre, Jim, Tasha La Doux 2008-9-13 10263 Riverside Joshua Tree National Park. Chuckwalla Valley, along Hwy 177 (northwest side), southeast end of Coxcomb Mountains. East boundary of Joshua Tree National Park. 160 Comment
  JOTR00958  Sarcostemma hirtellum Moran, Reid 1941-5-5 850 Riverside Joshua Tree National Park. WASH SOUTH OF OLD DALE Comment
  UC416713  Satureja chandleri Robinson and Crocker 1916-3-29 571 Riverside near Murietta; Santa Ana Mts. Comment
  UCR102855  Saxifraga californica A. C. Sanders 1997-4-3 20159 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR249661  Schismus arabicus T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7298 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
  GMDRC3551  Schismus barbatus J. Andre, T. La Doux 2009-2-25 10812 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  RSA406829  Schismus barbatus Christopher Davidson 1973-4-1 1800 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA676102  Schismus barbatus Scott D. White 2001-4-3 8265 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  RSA776352  Schismus barbatus Duncan S. Bell, Amanda Turek 2010-4-10 802 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA779624  Schismus barbatus Duncan S. Bell 2010-4-1 654 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  UC1023396  Schismus barbatus John and Lucille Roos 1951-3-24 5033 Riverside Mount Rubidoux 396 Comment
  RSA366085  Schoenoplectus maritimus Lester H. Cushman 1932-5-8 s.n. Riverside Near Pedley, close to Santa Ana R. [River]. Comment
  UC2094  Scirpus cernuus A. J. McClatchie May, 1892 24 Riverside Elsinore Comment
  UCR277734  Scirpus microcarpus Mitch Provance 2012-1-26 112- 01 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  RSA650275  Scrophularia californica W. A. Reinke 1971-5-8 s.n. Riverside 7mi. N. of 2nd St. on [Highway] 71-74, Elsinore. Comment
  SBBG16541  Scrophularia californica P. H. Raven 1962-4-29 17486 Riverside Ortega Hwy, 1 mi above the east base 487 Comment
  CLARK-A1528-1235  Scrophularia californica subsp. floribunda Cameron Duncan 1966-3-27 Riverside Riverside 548 Comment
  JEPS26108  Scrophularia californica subsp. floribunda Peter H. Raven 1958-5-17 12954 Riverside 7.4 mi se of Banning (on road to Idyllwild); San Jacinto Mts Comment
  UC1518632  Scrophularia californica subsp. floribunda Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55485 Riverside 4 mi n Whitewater Post Office (along Whtiewater River where road crosses river below fish hatchery); San Bernardino Mts 640 Comment
  RSA160553  Scutellaria bolanderi subsp. austromontana J. D. Olmsted 1959-3-7 728 Riverside Strawberry Creek just above drop off near Isomata below Idyllwild. Alt: 4950 ft. 1509 Comment
  POM9814  Selaginella asprella Edmund C. Jaeger 1921-6-25 276 Riverside San Jacinto Mountains, below Tacquitz [Tahquitz] Ridge 2590 Comment
  CAS-BOT-BC69805  Selaginella bigelovii May N. Achley 1937-2-28 s.n. Riverside Near Bridgehaven (vicinity of Whitewater). Comment
  IRVC3926  Selaginella bigelovii P. W. Rundel 1964-12-17 1502 Riverside E of Homeland off US 74; Lakeview. Southern Coastal 488 Comment
  SEINET10794286  Selaginella bigelovii George Yatskievych, K. G. Preston, Mafham 1981-4-26 Yatskievych 81 -139 Riverside State Hwy 79, ca. 4 miles SE of Bee Canyon. T05S6 R02E S18 - NW4. 640 Comment
  SEINET7048182  Selaginella bigelovii Steven R. Hill 2001-5-3 33691 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UC489137  Senecio C. V. Meyer June 1927 212 Riverside foot of Idyllwild Grade San Jacinto Mts. 762 Comment
  UCR260607  Senecio aphanactis O. F. Clarke 2004-4-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, North Loop Trail near Two Trees Canyon 701 Comment
  SEINET7073432  Senecio californicus A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UCR34951  Senecio californicus L. B. Ziegler 1973-3-30 503 Riverside Tucalota Canyon/Creek. 610 Comment
  POM98008  Senecio californicus E. C. Jaeger 1926-3-27 s.n. Riverside Bautista Valley 1220 Comment
  RSA0012733  Senecio californicus Steve Boyd 1986-5-1 1822 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  RSA716256  Senecio flaccidus Scott D. White, Angelia Carey 2004-4-5 10008 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR181153  Senecio flaccidus var. douglasii R. E. Riefner Jr. 2006-3-4 06- 46 Riverside Peninsular Range; San Jacinto Mtns, near Anza, c. 1.5 mi. west from Pine Meadow on Hwy 74 and 1.5 mi. NW from Hamilton Creek 1320 Comment
  UCR92105  Senecio flaccidus var. douglasii D. L. Banks, S. D. Boyd 1995-5-17 448 Riverside Agua Tibia Mountains, NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn, east of the Dripping Springs Alcove area, west of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  UC35969  Senecio flaccidus var. douglasii H. M. Hall Aug 1899 Riverside Comment
  SD137852  Senecio vulgaris Darin L. Banks 1995-3-15 54 Riverside Northwest Palomar Mountains, north face of Agua Tibia Mountain, Dorland Mountain area 687 Comment
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Apr 28 2009
  UCR24163  Senecio vulgaris John C. Roos 1967-2-7 s.n. Riverside San Jacinto Valley, City of Hemet 518 Comment
  RSA444580  Senecio vulgaris B. Roy 1988-2-21 2- 21 -88/2 Riverside Cahuilla County Park, near Indio down 58th Street from intersection with Monroe St. 3 Comment
  JEPS64755  Senna covesii Marjorie D. Clary 1932-3-24 812 Riverside Santa Rosa Mountains 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
  RSA598041  Setaria parviflora F. M. Reed 1908-7-29 2553 Riverside Riverside, along upper side of Gage Canal near 8th Str bridge., 117Y'20'W, 33Y'58.5'N 311 Comment
  RSA579290  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 6778 Riverside Santa