Search Results — 2000 specimen records retrieved (1888 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR67737  Abies concolor Frank C. Vasek 1977-11-25 771125- 09 Riverside San Jacinto Mtns., area around Cinco Posos Spring below Black Mountain look-out Comment
  RSA0077541  Abies concolor G. Wallace 1964-4-26 s.n. Riverside Idlewild area. Comment
  CAS-BOT-BC229330  Abronia villosa L. R. Abrams 1913-7-16 5010 Riverside Between Elsinore & Corona Comment
  CAS-BOT-BC229354  Abronia villosa L. A. Greata 1905-4-1 390 Riverside Coachella Comment
  CAS-BOT-BC229362  Abronia villosa John Thomas Howell 1928-3-11 3429 Riverside Six miles south-east of Garnet Station, Coachella Valley, Colorado Desert Comment
  CSUSB1069  Abronia villosa Dave Cerf 1971-4-18 Riverside White Water; Painted Hill- 2 miles north of White Water Canyon. 396 Comment
  SFV1119  Abronia villosa P. G. Kilburn 1959-5-16 797 Riverside Colorado Desert Agua Caliente Indian Reservation land some 5 miles south of Palm Springs at fork in road where Andreas Road meets Palm Canyon Road. 175 Comment
  RSA593979  Abronia villosa var. aurita D. L. Banks, Elizabeth Hedge Banks 1996-5-2 966 Riverside NW Palomar Mountains; Agua Tibia Mountains; WSW of Dorland Mtn., in the Pechanga Indian Reservation; Along the sandy margins of Pechanga Creek, approximately 15 m E of Pala Road. 351 Comment
Read comments
May 12 2011
  UCR115994  Abronia villosa var. aurita A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23315 Riverside Shipley-Skinner Reserve area, Diamond Valley, off old Rawson Rd. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  RSA776507  Abronia villosa var. aurita Amber Swanson, Duncan S. Bell 2011-3-10 208 Riverside Box canyon, SW side of Mecca Hills 72 Comment
  RSA87019  Acacia greggii var. arizonica F. W. Peirson 1921-4-11 4066 Riverside Murray Canyon. Palm Springs region. Comment
  CAS-BOT-BC30902  Acamptopappus sphaerocephalus H. M. Hall 1905-4-1 5869 Riverside Chuckawalla Bench Comment
  RSA0123757  Acamptopappus sphaerocephalus Duncan S. Bell, LeRoy Gross 2016-3-10 8866 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 2.25 air miles northwest of the summit area. 859 Comment
  UC1523567  Acamptopappus sphaerocephalus var. sphaerocephalus Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin & J. Hogge 1980-4-16 54033 Riverside 1/4 mi w (and .5 mi w of Whitewater R at mouth of Whitewater Whitewater P.O.; San Bernardino Mts., Colorado Desert 414 Comment
  CAS-BOT-BC218716  Achnatherum coronatum Steve Boyd; Aydee Virgen 2004-4-13 10868 Riverside San Mateo Canyon, midway between confluence with Los alamos Canyon and Tenaja Canyon, Peninsular Ranges, Santa Ana Mountains region Comment
  RSA179521  Achnatherum coronatum E. W. Lathrop 1959-5-17 4561 Riverside 14 miles west of Murrieta, Redonda Mesa Comment
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Apr 28 2011
  CAS-BOT-BC260327  Achnatherum hymenoides Ivan Johnston 1917-4-4 1098 Riverside Colorado Desert. Whitewater, about station Comment
  RSA775347  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5014 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66014 750 Comment
Read comments
May 22 2012
  SBBG29382  Achnatherum hymenoides D. Myrick 1968-3-4 1807 Riverside Country Club Rd at E edge of Palm Desert 60 Comment
  SEINET258472 Image available Achnatherum parishii subsp. parishii M. Curto, L Allen 1990-6-18 663 Riverside Santa Rosa Mtn NW slope Santa Rosa Mtn road (SBNF 7502) ca 5 km W of Santa Rosa Springs Campground 1830 Comment
  UC69342  Achnatherum speciosum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1896 Riverside Coyote Canyon Santa Rosa Mt. 1676 Comment
  CAS-BOT-BC29928  Achyrachaena mollis Steve Boyd 1986-3-9 1382 Riverside Temescal Canyon: Alberhill Mtn., south slope of mtn. just east of claymine area 487 Comment
  RSA559928  Achyrachaena mollis Steve Boyd 1992-4-18 6897 Riverside Paloma Valley betweeen Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd. and Scott Rd. Comment
  SDSU13331  Acmispon glaber var. brevialatus Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 28 Riverside Base of road leading down to the Santa Margrita River from the north site of the Santa Margarita Ecological Reserve (SDSU). 239 Comment
  LA48109  Acmispon heermannii Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove Comment
  RSA0121046  Acmispon heermannii var. heermannii Duncan S. Bell, LeRoy Gross 2016-3-29 9121 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA799073  Acmispon maritimus var. brevivexillus Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6869 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  SBBG53747  Acmispon strigosus S. Boyd 1980-5-2 Riverside Harford Springs County Park, on the NW corner of the Gavilan Plateau Comment
  SD247417  Acmispon strigosus A. C. Sanders, Jim Malusa 2015-3-9 41364 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along Gasline Road at major wash crossing 1.9 miles south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range (Red Cloud Canyon 7.5'Q) 671 Comment
  UCD104473  Acmispon strigosus H. S. Yates 1937-3-23 6404 Riverside 2 miles north of Palm Springs. 213 Comment
  UCR21843  Acourtia microcephala Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  RSA768503  Acroptilon repens Justin M. Wood 2009-11-30 1387 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR138653  Adenostoma fasciculatum D. L. Banks 1997-4-5 1664 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UCR193971  Adenostoma fasciculatum A. C. Sanders 2008-7-25 35917 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  UCR21920  Adenostoma fasciculatum Steve Boyd 1980-5-11 248 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  POM49866  Adenostoma fasciculatum var. fasciculatum Philip A. Munz, Johnson 1924-7-29 8860 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  RSA0121431  Adiantum capillus-veneris Duncan S. Bell, LeRoy Gross 2016-3-30 9132 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  OBI6574  Agave deserti H. E. McMinn 1935-10-27 4047 Riverside E of Ribbonwood Palms to Pines Hwy Comment
  UCD170241  Agave deserti K. M. Meyer; A. Townesmith 2007-3-19 21 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  SEINET3412082 Image available Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28527 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1234 Comment
  JEPS36304  Agoseris retrorsa W. L. Jepson May 17 1901-Jun 1 1901 1278 Riverside San Jacinto River Canon; Riverside, Santa Rosa Peak, Palomar Comment
  UC1543181  Agoseris retrorsa Donald G. Nelson 1936-5-21 372 Riverside just n of meadow in valley just e of Hurkey Creek Camp; San Jacinto Mts., Mt. Thomas, Lake Hemet Comment
  UC219314  Agoseris retrorsa P. A. Munz 1922-7-3 5965 Riverside Santa Rosa Santa Rosa Mts. 1920 Comment
Read comments
Oct 8 2011
  UCR178143  Agoseris retrorsa T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 134 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  UCR213895  Agoseris retrorsa Scott D. White, Justin M. Wood 2009-5-22 12892 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  CAS-BOT-BC127425  Agrostis exarata Carl B. Wolf 1932-8-6 3997 Riverside San Jacinto Mountains. 2.9 miles from Idyllwild on road to Hemet. 1219 Comment
  RSA457396  Agrostis exarata A. R. Roos 1937-8-19 10694 Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA5908  Agrostis idahoensis C. B. Wolf 1932-8-5 3945 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  UCR90348  Agrostis pallens Scott D. White 1995-6-30 3414 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UC36992  Agrostis viridis H. M. Hall June, 1901 2275 Riverside along watercourses San Jacinto Mountains, vicinity of Strawberry Valley 1615 Comment
  RSA27516  Aliciella latifolia I. L. Wiggins 1941-3-24 9587 Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line. Comment
  CAS-BOT-BC434483  Allionia incarnata Ira L. Wiggins 1941-3-27 9682 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA4925  Allionia incarnata var. villosa Carl B. Wolf 1932-4-28 3073 Riverside Chuckwalla Valley, 20 miles west of Blythe on Mecca Road 122 Comment
Read comments
Mar 26 2011
  RSA359517  Allium haematochiton Steve Boyd 1986-3-9 1378 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  UCR113750  Allium haematochiton June Latting 1978-6-4 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 640 Comment
  SBBG133862  Allium haematochiton A. C. Sanders, T. B. Salvato 2011-4-27 39339 Riverside S side of Alberhill Mtn in vicinity of Durant Siding and Terra Cotta, near Nichols Rd and extension toward Lake St 390 Comment
  SD148278  Allium marvinii A. C. Sanders, Kent Beaman 2002-5-10 25053 Riverside Santa Ana Mountains, Santa Rosa Plateau, hills west of the head of DeLuz Creek, 0.4 miles south of Tenaja Road, on west side of Calle Roble, near avenida Matorral; Wildomar 7.5' quad. In an open grassy area among oaks. 671 Comment
  OBI43236  Allium munzii S. J. Bouscaren 1986-1 Riverside Comment
  RSA543601  Allium munzii Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6133 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  UCR139245  Allium parryi A. C. Sanders, Kate Kramer 2003-6-11 26877 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, 1/2 mile west of Morris Ranch Rd. on a dirt track, c. 1 km west of Goff Flat 1616 Comment
  SEINET3878623  Allium peninsulare Steve Boyd, Timothy S. Ross 1991-5-2 6090 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain 3 mi N Hwy 79, 1 mi W of Hwy 371, N Aguanga.; 0 600 Comment
  RSA583750  Allium peninsulare var. peninsulare Steve Boyd 1995-4-24 8481 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. 671 Comment
  SEINET3079479 Image available Alonsoa linearis A. C. Sanders 1985-5-30 5813 Riverside UCR Botanic Garden, in the bed on the W side of the lath house, grid cell E-7. 366 Comment
  UCSB46786  Alstroemeria O. F. Clarke 1969-6-25 Riverside collected at 1012 Spruce Street Spruce Street Comment
  UCR263411  Alternanthera caracasana Oscar Avila 2015-8-4 s.n. Riverside Riverside: Ryan Bonaminio Park, Tequesquite Arroyo below old Chinatown and just above confluence with Santa Ana River, along Tequesquite Avenue, south of Mt. Rubidoux 228 Comment
  SEINET10940478  Amaranthus David B. Dunn 1947-10-9 Dunn 3527 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  RSA667031  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23101 Riverside Lake Hemet, north shore at FS day use area 1323 Comment
  CDA3239  Amaranthus cruentus A. C. Sanders 2002-1-14 24890 Riverside Upper Santa Ana River/San Bernardino Valley Region; Riverside, east side of Streeter Ave. just S of Scott Ave., between Arlington and Central Aves. Comment
  RSA608468  Amaranthus palmeri R. S. Woglum 1941-6-12 3061 Riverside Idyllwild Comment
  SD137916  Ambrosia acanthicarpa Darin L. Banks, Steve Boyd 1995-10-17 756 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco. 515 Comment
  UC2047211  Ambrosia acanthicarpa A. C. Sanders with Sandra L. Leatherman, Jeff Crain 2015-5-18 41712 Riverside Temescal Valley near Glen Ivy, along Temescal Canyon Road at Campbell Ranch Road intersection. Lake Mathews 7.5' Quad. Comment
  UCR132701  Ambrosia confertiflora A. C. Sanders 1996-5-14 18169 Riverside Moreno Valley (Edgemont), east side of I-215 at Alessandro Blvd. 470 Comment
  OBI23435  Ambrosia dumosa F. Seaman 1972-3-23 76 Riverside On outskirts of Palm Springs on US hwy 111 Comment
  RSA695719  Ambrosia dumosa Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
Read comments
Aug 27 2011
  RSA696738  Ambrosia dumosa J. Russell Bruff 1932-3-22 s.n. Riverside 1000 Palms. Comment
  RSA696753  Ambrosia dumosa J. Russell Bruff 1932-3-21 s.n. Riverside 1000 Palms. Comment
  SBBG7543  Ambrosia dumosa H. and M. Dearing 1936-12-25 2332 Riverside Thousand Palms Cyn Comment
  UCSC001456  Ambrosia dumosa Peter Kamb 1948-4-11 866 Riverside Aqueduct Road 5 mi. east of Garnet Aqueduct Road, Garnet - Coachella Valley 305 Comment
  UCR41632  Ambrosia ilicifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6075 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SD152960  Ambrosia psilostachya Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7659 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon from the junction of Tenaja Road and Los Alamos Road at the confluence of Los Alamos Creek. 395 Comment
  SDSU13506  Ambrosia psilostachya W. Miller with C. Mosse 1972-7-13 Riverside west of M.W.D. Station. Comment
  CAS-BOT-BC273038  Ambrosia salsola Geo. B. Grant 1906-5-1 609 -6736 Riverside Colorado Desert at Palm Springs Comment
  UCR148334  Ambrosia salsola John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  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
  UCSB36179  Ambrosia salsola var. salsola Roberts, Dar 1980-3-26 Riverside 1 miles south southern enterance to Joshua Tree National Monument, 0.25 miles E. Rd. 750 Comment
  SD146228  Ammannia coccinea 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. SE of Eden Hot Spr. 433 Comment
  POM19489  Amorpha fruticosa Mary F. Spencer 1923-8-17 2191 Riverside Pipe creek, pr. [prope (near)] Thomas Valley, San Jacinto Mt. 1433 Comment
  UCSB19371  Amorpha fruticosa Haller, John 1950-5-20 Riverside Base of San Jacinto Mtns., Hemet-Idyllwild Road, opposite Cranston Ranger Station 609 Comment
  UCSB2968  Amorpha fruticosa Haller, Norman Riverside Highway 74, Cranston Ranger Station, 7 miles East of Hemet 609 Comment
  CAS-BOT-BC213973  Amsinckia L. R. Abrams 1926-3-26 11057 Riverside Palm Springs to Palm Canyon Comment
  CAS-BOT-BC26856  Amsinckia ctenocarpa Emmet Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  HSC84285  Amsinckia intermedia J. Nevin 1987-4-9 37 Riverside Box Springs Mtn. Park 366 Comment
  RSA543139  Amsinckia intermedia Steve Boyd 1991-3-17 5506 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
  SD239634  Amsinckia intermedia A. C. Sanders, T. B. Salvato 2011-3-28 38808 Riverside Peninsular Rangte: Perris-Aguanga Basin Region: Menifee Valley between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-125 Fwy (Romoland 7.5'Q) 433 Comment
  RSA346792  Amsinckia menziesii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54066 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  UCR127547  Amsinckia menziesii A. C. Sanders, T. B. Salvato 2003-5-21 26802 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  RSA0089918  Amsinckia menziesii R. F. Thorne, Drs Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55446 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA522265  Amsinckia tessellata Steve Boyd, D. E. Bramlet, H. Spillman 1989-4-30 3512 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  CSUSB1820  Anagallis arvensis Deborah Sullivan 1973-7-17 Riverside Pedley, Riverside. 243 Comment
  SDSU13504  Anagallis arvensis W. Miller with C. Mosse 1972-7-12 Riverside Comment
  RSA543852  Ancistrocarphus filagineus Steve Boyd, Orlando Mistretta 1991-5-22 6312 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA296116  Andropogon glomeratus B. A. Prigge 1980-8-11 3887 Riverside San Bernardino Mountains, Whitewater Canyon: 1.1 miles N of Interstate 10. 473 Comment
Read comments
Jan 14 2010
  UCR160883  Andropogon glomeratus T. B. Salvato, Kelly Volansky 2004-11-17 114 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  IRVC3694  Angelica tomentosa R. H. Whittaker, W. A. Niering 1963-6-6 SJ 225 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  JEPS35961  Anisocoma acaulis W. L. Jepson May 17 1901-Jun 1 1901 1315 Riverside journey from Riverside to Santa Rosa Peak and Palomar Thomas Valley Comment
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Nov 9 2015
  UC218084  Antennaria rosea P. A. Munz 1922-9-7 6403 Riverside Tamarack Valley San Jacinto Mts., Tamarack Valley 2804 Comment
  UC891795  Antennaria rosea P. A. Munz 1922-7-6 5977 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2225 Comment
  CHSC1688  Antirrhinum coulterianum E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
Read comments
Mar 27 2011
  RSA1552  Antirrhinum coulterianum J. T. Howell 1928-7-9 1075 Riverside San Juan Canyon road, Elsinore Mts. Comment
  RSA527858  Antirrhinum coulterianum Scott D. White 1991-5-10 91 -154 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  SD4551  Antirrhinum coulterianum Fidella G. Woodcock 1928-4-27 Riverside Valley between San Jacinto Mountain and Warner's Hot Springs Comment
  UCR20951  Antirrhinum coulterianum A. C. Sanders 1978-7-1 86 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  UCR86988  Antirrhinum coulterianum Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  UCR151363  Antirrhinum kelloggii D. L. Banks 1997-2-23 1335 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
  UCR281206  Antirrhinum kelloggii Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 29 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  RSA675023  Antirrhinum nuttallianum Scott D. White, Tasha La Doux 2000-4-20 7687 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  RSA0010949  Antirrhinum nuttallianum subsp. nuttallianum Scott D. White, Justin M. Wood 2008-4-16 11887 Riverside Perris/Elsinore Basin: Hills to the W of I-215 and S of Scott Rd. 488 Comment
  SD137929  Apiastrum angustifolium Darin L. Banks, Steve Boyd 1995-4-5 154 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove. 505 Comment
  SEINET3081292 Image available Apiastrum angustifolium Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi. S of intersection with Wilson Valley Road. 701 Comment
  UCR133670  Apiastrum angustifolium Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  JEPS16038  Apium graveolens H. M. Hall May 17 1901-June 1, 1901 Riverside Riverside, Journey from Riverside to Santa Rosa Peak and Palomar, Southern California Riverside Comment
  RSA802255  Apocynum cannabinum Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5002 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  RSA0034754  Aquilegia formosa var. hypolasia Robert L. Rutherford 1945-6-17 1673 Riverside Burned Canyon, Banning. 1219 Comment
  RSA482605  Arabis perennans E. C. Jaeger s.n Riverside Lower Tahquitz Valley, San Jacinto Mts. 1768 Comment
Read comments
Nov 5 2011
  UCR54248  Arabis pulchra David Charlton 1988-5-21 1930 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  UC6053  Arceuthobium campylopodum H. M. Hall July 1901 Riverside San Jacinto Mtns 1615 Comment
  RSA629402  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19521 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  UCR273485  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42621 Riverside Peninsular Range; San Jacinto Mtns., Hwy 74 below McGaugh Rd., west slope of the mountains at mile post 58.19, below Mountain Center 1311 Comment
  UCR68948  Arctostaphylos glandulosa subsp. cushingiana Steve Boyd, T. S. Ross 1990-5-11 4696 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  RSA263747  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1968-5-22 6908 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  OBI29854  Arctostaphylos glauca Melissa Luckow, Rhonda Riggins 1982-4-15 820 Riverside Pinyon Pass Rd, 0.1 mi NW of Hwy 74 1006 Comment
  RSA631752  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19260 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631825  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16609 Riverside Road to Santa Rosa Mtn. (7S02), 0.5 km south of Hwy 74. 1475 Comment
  UCR94067  Arctostaphylos glauca Scott D. White, D. Haselfeld 1996-7-2 4251 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  RSA633533  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20151 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633558  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21789 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633567  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20142 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633581  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22528 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633638  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20161 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633653  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16636 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA635197  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-7-17 16774 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA635199  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-7-17 16776 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  UCR123792  Arctostaphylos patula Steven R. Hill, K. Kramer and family 2001-4-26 33470 Riverside San Jacinto Mtns., San Jacinto Wilderness west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges 2591 Comment
  POM49845  Arctostaphylos pringlei subsp. drupacea P. A. Munz, I. M. Johnston 1924-7-29 8871 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  RSA652425  Arctostaphylos pringlei subsp. drupacea Edward Kai 1970-5-21 s.n. Riverside Idyllwild off Hwy 74. 1524 Comment
  SD229129  Arctostaphylos pringlei subsp. drupacea Dick Schwenkmeyer 2012-4-17 696 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  SFV2660  Arctostaphylos pringlei subsp. drupacea A. Thompson 1959-4-10 Riverside San Jacinto Mountains Along side San Gorgonio Road. 1799 Comment
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Jun 3 2013
  RSA635793  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16824 Riverside Idyllwild, saunders Mdw. Rd., E of Hwy 243, San Jacinto Mtns. 1610 Comment
  RSA635803  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16541 Riverside Red Mountain Road, 6-6.8 km east of R3. 1015 Comment
  SBBG58423  Arctostaphylos pungens R. Hoffmann 1929-9-11 Riverside Thomas Valley Comment
  RSA635997  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21606 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  RSA635999  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21609 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  RSA636003  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19550 Riverside Carancho Rd., W. of Temecula. 440 Comment
  SD135211  Arctostaphylos rainbowensis Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-11 19485 Riverside Eastern Santa Margarita Mtns., W of Temecula, off Colman Rdl, 0.8 km N of Carancho Rd. and W of De Luz Rd. 170 Comment
  SD180727  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-9 411 Riverside Santa Margarita Ecological Reserve, on bench ca. 1/3 up steep slope from river bottom. 264 Comment
  CAS-BOT-BC401677  Argemone munita subsp. munita Gerald B. Ownbey; Findley Ownbey 1954-6-24 2170 Riverside .1 mile w. of Radec 516 Comment
  POM17817  Argemone munita subsp. robusta P. A. Munz, D. D. Keck 1923-6-14 7083 Riverside Glen Ivy Trail to Santiago Peak. 1494 Comment
  RSA704197  Aristida adscensionis Gary D. Wallace 1982-5-15 1995 Riverside Palms to Pines Highway, 7 level hill. Comment
  UCR133745  Aristida adscensionis F. R. Fosberg 1932-3-13 8102 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms Canyon 213 Comment
  UCR200288  Aristida adscensionis Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11231 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  RSA0107902  Aristida purpurea Duncan S. Bell, Thomas Stoughton 2010-3-19 576 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.3 air miles west of Priest Well. 428 Comment
  POM264354  Aristida purpurea var. nealleyi J. C. Roos 1938-8-7 582 Riverside East of Hemet, in mountains along San Jacinto River. Comment
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Apr 3 2011
  SDSU13499  Artemisia californica W. Miller with C. Mosse 1972-7-20 Riverside Comment
  RSA125855  Artemisia tridentata E. K. Balls, Percy C. Everett 1957-11-6 22794 Riverside South end of San Jacinto Mountains, State Highway 74 1372 Comment
  SD144068  Artemisia tridentata Scott D. White 1992-12-16 981 Riverside Vail Lake area: about 9 air miles E of Aguanga (jtn Hwys 371 and 79) and 3 air miles N of Beauty Mtn Pk. 1370 Comment
  SD229068  Artemisia tridentata Dick Schwenkmeyer 2012-3-26 677 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  RSA70039  Arthrocnemum subterminale F. W. Peirson 1922-5-19 3068 Riverside 2 miles southeast of Perris Comment
  SEINET3081972 Image available Asclepias californica Andrew C. Sanders, B. Pitzer 1986-4-30 6488 Riverside San Jacinto Mtns; head of Bee Canyon along Bee Canyon Road, 1.7 mi. above mouth of canyon at the San Jacinto River Valley. 795 Comment
  UC455922  Asclepias californica I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 1371 Comment
  RSA0104745  Asclepias eriocarpa Scott D. White, Justin M. Wood 2008-7-8 12384 Riverside San Jacinto Mountains: Hurkey Creek Watershed-Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  UCR141259  Asclepias eriocarpa A. C. Sanders, Kelly Volansky 2004-10-6 28825 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  UCSB12491  Asclepias erosa Breedlove, Dennis 1961-9-11 Riverside 20 mi. W of Blythe on U.S. 60-70 1066 Comment
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Mar 29 2014
  UCR265020  Asparagus officinalis Mitch Provance 2013-4-8 413- 13 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA417631  Aster bernardinus Albert J. Perkins 1916-4-14 s.n. Riverside Idylwild Comment
  POM57861  Aster subulatus var. ligulatus Geo. R. Hall 1905-09 280 Riverside Riverside Comment
  UCR236547  Astragalus aridus Carolyn Martus, Joseph A. Betzler, Chezzy W. Brungraber, Lance Woolley 2008-4-15 1214 Riverside Sonoran (Colorado) Desert, 30 miles west of Blythe near Palen Dry Lake, from I-10 exit Corn Springs Rd. north for about 8 miles 130 Comment
  RSA0002830  Astragalus chuckwallae P. A. Munz, D. D. Keck 1922-4-9 4779 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 762 Comment
  CAS-BOT-BC178634  Astragalus coccineus Edmund C. Jaeger 1921-4-2 s.n. Riverside Upper reaches of Deep Creek, Santa Rosa Mts. 1371 Comment
  RSA21758  Astragalus didymocarpus var. dispermus C. B. Wolf 1937-4-6 8430 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  CAS-BOT-BC182986  Astragalus gambelianus A. C. Sanders; Seung-Chul Kim; Plant Taxonomy Class 2005-5-7 30107 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  VVC2470  Astragalus insularis var. harwoodii Tim Thomas 2013-3-18 5930 Riverside Sonoran Desert, 12 miles WSW of Blythe; south of I-10. vic of powerline corridor. 145 Comment
  CHSC110023  Astragalus lentiginosus var. coachellae Scott D. White 2001-4-18 8367 Riverside Coachella Valley: Palm Springs. Northeast corner of 30th Ave. and Devall St. Adjacent to housing tracts and scheduled for grading and new construction +/- immediately. 101 Comment
  UC863174  Astragalus lentiginosus var. coachellae I. W. Clokey, B. Templeton 1930-4-9 4710 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs 170 Comment
  RSA0126279  Astragalus nuttallianus var. cedrosensis Duncan S. Bell 2016-3-4 8809 Riverside Orocopia Mountains; northwestern section of the range, small canyon approximately 4 air miles north northwest of the summit of the Orocopia Mountains. 627 Comment
  UC862962  Astragalus nuttallianus var. imperfectus C. L. Hitchcock 1940-4-3 5935 Riverside along 29 Palms Road 1 1/2 mi ne Cottonwood Spring (Joshua Tree National Monument); , ne of Cottonwood Spring Comment
  PASA2744  Astragalus pachypus var. jaegeri Frank W. Peirson 1922-4-29 2950 Riverside 1 mile south of Dripping Spring, Temecula River 518 Comment
  SD83397  Astragalus palmeri R. Mitchel Beauchamp, R. C. Pierce 1971-3-27 2064 Riverside Fig Tree Valley, dry creek bottom 690 Comment
  CAS-BOT-BC194169  Astragalus pomonensis John F. Green 2005-3-7 s.n. Riverside Wildomar, west of Grand Ave off Sweet Nectar Rd., Peninsular Range, Wildomar 7.5' Q 414 Comment
  RSA596769  Astragalus pomonensis D. L. Banks, K. D. Hedge 1996-5-16 1033 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, E of the gate to the University of California-Emerson Oaks Reserve. 451 Comment
  RSA643334  Astragalus pomonensis R. D. Goeden, W. D. Ricker 1965-6-10 s.n. Riverside tributary of Temecula River, near Oak Mtn. 457 Comment
  RSA653227  Astragalus pomonensis A. C. Sanders, T. B. Salvato 2000-5-25 23401 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  UCR59516  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3572 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  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
  RSA415763  Astragalus trichopodus Elizabeth Tisdale 1931-6-19 20344 Riverside Chino Hills border. Santa Ana Valley. Comment
  RSA489175  Atrichoseris platyphylla B. Pitzer 1988-3-10 648 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  UCSB9777  Atrichoseris platyphylla Haller, John 1958-3-22 Riverside Immediately S. of Hwys 60-70, 5.8 miles E. of Desert Center Comment
  UCR139616  Atriplex argentea A. C. Sanders 2004-7-1 28378 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile NW of the "Menifee-Antelope Community Hall", 0.6 mi. east of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and c. 5 miles due south of Sun City 457 Comment
  SD138899  Atriplex coronata var. notatior Craig Reiser 1994-5-2 Riverside Fenced field. Reiser by phone says this was probably collected in Hemet near California Street, in an area now a preserve Comment
  SEINET3931218  Atriplex coronata var. notatior D. Bramlet 1991-1 Riverside Comment
  UCR104621  Atriplex coronata var. notatior D. E. Bramlet 1997-5-1 2548 Riverside Nichols Road Wetlands; c. 183 m SE of Nichols Road, 91 m west of Collier Ave. and 196 m west of the I-15; east of the dirt road extending S from Nichols Road. and adjacent to Alberhill Creek Comment
  UCR77746  Atriplex coronata var. notatior Steve Boyd 1991-5-13 6238 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  UCR90767  Atriplex davidsonii D. E. Bramlet 1993-5-16 2354 Riverside San Jacinto Valley, 5.8 km west of Hemet, 732m south of Florida Avenue and 244m west of Warren Road, 549m east of the MWD canal and 30m east of the San Diego Aqueduct. 456 Comment
  RSA0102804  Atriplex elegans var. fasciculata Duncan S. Bell, Kay Evelina Lewis-Jones, Isaac Marck, Evan Meyer 2015-4-23 8103 Riverside Rice Valley, to the east of the Arica Mountains, about 6 air miles south southeast of the ghost town of Rice. 211 Comment
  RSA1393  Atriplex polycarpa B. D. Stark 1930-4-2 783 Riverside Indio, sea level 0 Comment
  RSA609954  Atriplex serenana var. davidsonii D. Bramlet 1995-6-21 2442 Riverside San Jacinto Wildlife Area, Lovell Unit; 1.4 km E of Davis Road and 152 m S of the existing access road; 579 m N of the San Jacinto River channel. 43 Comment
  RSA736292  Atriplex suberecta Scott D. White, Justin Wood 2008-5-27 12031 Riverside North bound I-215 freeway corridor, S of San Jacinto River crossing. 431 Comment
  RSA522086  Atriplex suberecta Steve Boyd, Timothy S. Ross, K. A. Boyd 1989-6-24 3752 Riverside Vail Lake area, near summit of 'Little Oak' Mtn. along road. 627 Comment
  SD146319  Atriplex triangularis A. C. Sanders, D. Bramlet, Mihai Costea, and T. Salvato. 1999-10-15 23181 Riverside San Jacinto Valley; Mystic Lake, 1.0 mile west of Jackrabbit Trail on Gilman Springs Road, 0.4 mile west of Quail Lake Golf Course entrance. 436 Comment
  RSA757728  Avena barbata LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4355 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
  RSA0045164  Avena sativa Andrew Haimov, April Sleigh 1992-5-5 80 Riverside East side of Davis Road, 2 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  SEINET5510176 Image available Ayenia compacta Annie M. Alexander, Louise Kellogg 1941-1 2236 Riverside Eagle Mountains, Monsen Canyon 823 Comment
  UC667326  Ayenia compacta Annie M. Alexander and Louise Kellogg 1941-5-26 2236 Riverside Monsen Canyon Eagle Nountains 822 Comment
  JEPS40703  Baccharis brachyphylla Marjorie D. Clary 1932-12-13 654 Riverside near mouth Deep Canon (w edge Coachella Vly; ne end Palms-to-Pines Hwy; ne Santa Rosa Mts.); Santa Rosa Mts., Coachella Valley 304 Comment
  JOTR34407  Baccharis brachyphylla La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3094 Riverside Joshua Tree National Park. Cottonwood Mountains; near Wood Spring Comment
  POM213084  Baccharis brachyphylla C. B. Wolf 1932-10-11 4275 Riverside Morongo Wash, 3/10 mile below the San Bernardino County line. 671 Comment
  RSA1880  Baccharis emoryi C. B. Wolf 1931-3-13 1881 Riverside Colorado Desert, in old cotton field 2 miles N of Blythe 152 Comment
  IRVC524  Baccharis glutinosa Bob Savage 1965-5-2 s.n. Riverside Joshua Tree Little San Bernardino Mountains Comment
  POM231959  Baccharis pilularis Noel Wallace 1937-11-15 s.n. Riverside Sheltered place in a canyon on N slope of Box Springs Mts. Comment
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Sep 7 2011
  UCR174146  Baccharis salicifolia A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32580 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
  SEINET899352  Baccharis sergiloides C. B. Wolf 1932-1 4270 Riverside Colorado Desert. Little San Bernardino Mts. Morongo Wash, 3/10 mi. below San Bernardino Co. line 671 Comment
  UC63375  Baccharis sergiloides H. M. Hall 1901-5-1 1866 Riverside borders of Colorado Desert San Jacinto Mountains, Colorado Desert Comment
  UCR41317  Baccharis sergiloides N. M. Fellows 1984-11-12 33 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn. 489 Comment
  CAS-BOT-BC295900  Bahiopsis parishii B. D. Stark 1932-6-15 3742 Riverside Colorado Desert. Eagle Mts., above Utopia 228 Comment
  UCSB37915  Bahiopsis parishii Roos, John 1965-9-26 Riverside Santa Rosa Mtns. 701 Comment
  CAS-BOT-BC99947  Baileya pauciradiata Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13232 Riverside 2.4 mi. S of Rice, on road to Midland and Blythe Comment
  POM15186  Baileya pauciradiata Mary F. Spencer 1922-4-11 1953 Riverside Palm Springs, Colorado Desert 122 Comment
  JOTR16564  Baileya pleniradiata Walters, Jim 1967-5-12 s.n. Riverside Joshua Tree National Park. EAST-WEST ACCESS ROAD TO LOST HORSE RANGER STATION Comment
  JOTR16566  Baileya pleniradiata Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE RANGER STATION FROM CAP ROCK 1310 Comment
  CHSC109244  Barbarea orthoceras Scott D. White; Justin M. Wood 2008-6-18 12232 Riverside San Jacinto Mountains: K Flat Meadow. 1439 Comment
  UCR229499  Bassia hyssopifolia Jeremiah George 2011-8-3 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore, north end of Pasadena Ave., SE of Hwy 74/Riverside Dr. 386 Comment
  UCR45121  Bassia hyssopifolia L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  OBI16935  Bebbia juncea H. E. McMinn 1935-6-27 4066 Riverside Palms to Pines Highway Comment
  RSA314635  Bebbia juncea R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55431 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  UCR260869  Bebbia juncea A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41563 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., lower Horsethief Canyon Wash just above DePalma Rd. crossing, 1/4 mile NW of Horsethief Canyon Rd. junction 375 Comment
  CAS-BOT-BC100128  Bebbia juncea var. aspera F. Grinnell 1908-7-25 s.n. Riverside San Jacinto R. 762 Comment
  UCD129534  Bebbia juncea var. aspera David Charlton 1988-2-18 1197 Riverside Alluvial Fan, south side of Little San Bernardino Mountains. Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park, parallel to I-10. 5 miles east of Jct Dillon Road and Fargo Canyon Road. 762 Comment
  CLARK-A1528-1368  Beloperone californica John C. Roos 1965-9-26 Riverside Santa Rosa Mountains Comment
  RSA452617  Berberis Anstruther Davidson 1920-5-1 s.n. Riverside Ivy Canyon, Temescal. Comment
  SEINET6426074  Bergia texana A. C. Sanders, Mitch Provance 1999-1 23132 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi S of Eden Hot Spr. 433 Comment
  LA204860  Bernardia incana Carl Epling; May 1938 sn Riverside Santa Rosa Mountains, Pinon Flats Comment
  JEPS29488  Bernardia myricifolia Lauramay T. Dempster 1962-4-18 1900 Riverside Pinyon Flats, Palms-to-Pines Hwy. 1066 Comment
  UCSB21057  Bernardia myricifolia McMinn, Howard 1935-6-27 Riverside Grade to the valley, Palms to Pines Highway Comment
  CAS-BOT-BC140664  Bidens laevis Oleg Pryadko 2008-5-2 058 Riverside San Bernardino Valley Region: western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR172237  Bloomeria crocea John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  UC922762  Boechera perennans Annie M. Alexander and Louise Kellogg 1940-3-21 883 Riverside 20 mi s 29 Palms; Barker Dam 1322 Comment
  UC1136568  Boerhavia coccinea H. S. Yates 1937-6-28 6729 Riverside Palm Springs San Jacinto Quad., Palm Springs Comment
  UCR264211  Boerhavia coulteri A. C. Sanders 2015-9-12 41884 Riverside Sonoran (Colorado) Desert, Desert Center, south of I-10 at the Eagle Mountain Road junction 361 Comment
  CAS-BOT-BC434530  Boerhavia intermedia Ira L. Wiggins 1934-9-4 8034 Riverside Colorado Desert 10 miles NE. of Mecca Comment
  JOTR29195  Boerhavia intermedia La Doux, Tasha 2005-9-8 1307 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  JOTR30080  Boerhavia intermedia La Doux, Tasha, Bill Truesdell 2006-10-3 1712 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  CLARK-A1656-843  Boerhavia torreyana Jon Mark Stewart 1983-10-31 83-49 Riverside Palm Desert 1200 Comment
  SEINET3124370 Image available Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 337 Riverside Mojave Desert; Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground 934 Comment
  JOTR32598  Boerhavia triquetra var. intermedia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2665 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
  POM246588  Boerhavia wrightii E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, Chuckawalla Mts, Colorado Desert. 366 Comment
  UCD170384  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2012-11-3 1112- 05 Riverside San Timoteo Canyon: West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  JOTR30300  Bouteloua aristidoides var. aristidoides Andre, Jim, Tasha La Doux 2007-9-6 8706 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  POM193468  Bouteloua barbata J. B. Feudge 1929-9-15 2027 Riverside Cottonwood Springs, Colorado Desert. Comment
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Oct 9 2010
  JOTR29254  Bouteloua curtipendula La Doux, Tasha, Ileene Anderson 2004-10-4 1642 Riverside Joshua Tree National Park. Stop 1: Little SB Mtns, near Keys Ranch 1277 Comment
  UCR213309  Bowlesia incana A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37696 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
  UCR228880  Bowlesia incana A. C. Sanders 2011-4-6 39019 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  SEINET14394121  Brachypodium distachyon O. F. Clarke 2008-5-20 Riverside Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA77414  Brandegea bigelovii F. W. Peirson 1921-3-23 2387 Riverside Deep Canyon Wash, 12 miles southeast of Palm Springs. 152 Comment
  UCR251647  Brandegea bigelovii Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 760 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
  RSA0063035  Brassica rapa Andrew Haimov, April Sleigh 1992-5-2 78 Riverside 50 meters west of Davis Road, 2 miles north Ramona Expressway, San Jacinto Wildlife Area. Comment
  CDA3590  Brassica tournefortii G. D. Barbe, T. C. Fuller 1973-2-27 1044 Riverside West side of Coachella Canal, Highway 195 in Box Canyon, east of Mecca. 0 Comment
  RSA775103  Brassica tournefortii Duncan S. Bell, Michael Hee 2011-3-18 2050 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  UCR60708  Brassica tournefortii R. F. Thorne, M. Z. Thorne 1973-3-30 42671 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
  RSA0063253  Brassica tournefortii Hulda Crooks 1946-3-2 252 Riverside N. of Palm Springs. 139 Comment
  CAS-BOT-BC106246  Brickellia californica Carl B. Wolf 1935-10-8 7636 Riverside Mojave Desert, Kingston Range, Horse Spring 1432 Comment
  LA203099  Brickellia californica W. E. Pequegnat; 1939-4-8 sn Riverside Santa Ana Mountains Comment
  RSA13779  Brickellia californica C. W. Tilforth, John Dourley 1970-10-16 316 Riverside Along and above intermittent stream bed, road to Santa Rosa Mtn. Comment
  LA210524  Brickellia desertorum John C. Roos; Lucille Roos 1950-9-30 4995 Riverside rocky hills midway between Steele Park and Elsinore, about 3 mi N of Elsinore 487 Comment
  RSA586250  Brickellia desertorum R. E. Riefner 1995-11-4 95385 Riverside S of Clay Canyon Rd. off I-15 Wierick exit, E of Corona Comment
  POM12856  Brickellia oblongifolia var. linifolia Philip A. Munz 1922-6-26 5824 Riverside Road to Santa Rosa. 1829 Comment
  CAS-BOT-BC132177  Brodiaea Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  UCR111613  Brodiaea filifolia D. E. Bramlet 2000-5-3 3010 Riverside Perris Basin, 908-915m east of Perris Valley airport, 31-183m west of Case Rd. and 31-335m north of the San Jacinto River 433 Comment
  UCR191205  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-15 929 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Clay Hill, 0.7 km south-southwest of the northernmost high point of the Mesa de Burro 573 Comment
  SBBG122775  Brodiaea terrestris subsp. kernensis A. Parikh 1990-5-17 175 Riverside W part of Mesa de Colorado, 0.3 km N of Avocado Mesa Rd, 0.1 km E of Via Volcano 632 Comment
  CAS-BOT-BC144321  Bromus Carl B. Wolf 1932-8-5 3949 Riverside San Jacinto Mountains. Along trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  SEINET14623185  Bromus F. S. Crosswhite 1961-1-22 1710 Riverside along Chicago Ave. 183 Comment
  UCR112147  Bromus arizonicus O. F. Clarke 1973-3-21 s.n. Riverside Riverside, residential garden of O.F. Clarke at 1012 Spruce Street 305 Comment
  CAS-BOT-BC149441  Bromus berteroanus P. A. Munz 1940-3-24 15706 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 914 Comment
  CAS-BOT-BC148742  Bromus carinatus var. marginatus Mary F. Spencer 1919-6-27 1232 Riverside San Jacinot Mountains. Idyllwild. 1615 Comment
  JOTR35509  Bromus diandrus La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3196 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon (Biodiversity Hunt stop4) 1219 Comment
  POM10523  Bromus diandrus C. F. Baker 1909-05 s.n. Riverside Riverside. Comment
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Jul 27 2008
  SEINET4404474  Bromus rubens N. D. Atwood 1993-3-27 17691 Riverside Corona Del Mar State Park, along Newport Coast Drive 0 Comment
  SEINET6196154 Image available Bromus tectorum Orlando Mistretta, D. Bell, J. Beckman, J. England, K. Kane, J. Hall, C. McDonald, L. Reccia, L. Rodriguez, A. Sall, T. Tennant. 2010-4-12 4429 Riverside San Bernardino Mountains region,Transverse Ranges: Whitewater Canyon, Along Whitewater River Drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 488 Comment
  CLARK-A1528-4559  Bromus trinii John C. Roos 1962-3-24 Riverside Whitewater Canyon Comment
  RSA405292  Caesalpinia virgata Christopher Davidson, J. Jones 1980-4-4 9954 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
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Sep 17 2011
  UC1128934  Caesalpinia virgata H. S. Yates 1936-4-7 5447 Riverside 8 mi. n. Mecca; Thermal Quad. Comment
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Dec 24 2010
  UC555386  Caesalpinia virgata H. L. Mason 1928-3-10 Riverside Coachella Mts., Hidden Springs Canyon Comment
  UCR121784  Calandrinia ciliata A. C. Sanders, Carolyn Washburn 2001-4-17 24033 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR98182  Calandrinia ciliata Scott D. White 1997-2-9 4679 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  VVC421  Calandrinia ciliata F. Zaebst 1959-3-31 s.n. Riverside Santa Ana River Drainage, UC Riverside Campus; 30 yds SW of pond (5 yds NW of water pipe) which is 300 yds NE of Weber Hall. 328 Comment
  CDA2648  Callisia repens A. C. Sanders 2001-11-2 24886 Riverside San Bernardino Valley Region; Riverside, yard of house at 422 Campus View Dr. Comment
  CAS-BOT-BC85773  Calocedrus decurrens Carl Epling 1931-10-4 246 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  RSA482011  Calocedrus decurrens Richard Noyes, Laurel Arnseth 1988-9-10 722 Riverside Fern Basin Camp, 4 air miles northwest of Idyllwild 1875 Comment
  SBBG56419  Calocedrus decurrens M. Lewis 1947-8-26 20 Riverside Dark Cyn 1981 Comment
  RSA588180  Calochortus concolor Darin L. Banks, Steve Boyd 1995-6-27 737 Riverside NW Palomar Mountains; Agua Tibia Mountains; Along the Crosley Road, S of the Cutca Road junction; Approximately 1/8 mile S of the junction between the Cutca and Crosley Roads. 792 Comment
  CLARK-A1045-77  Calochortus invenustus George K. Helmkamp 1978-5-20 Riverside San Jacinto Mountains Idyllwild 15' Q Comment
  RSA580942  Calochortus plummerae D. E. Bramlet 1994-6-16 2385 Riverside Lake Skinner County Park: in Tucalota hills area. Alongside existing equestrian trail, S of existing access road (BM 1487). 494 Comment
  CHSC2242  Calochortus splendens E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
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Mar 27 2011
  HSC92910  Calochortus splendens Scott White 1993-5-29 1442 Riverside San Bernardino Mtns., Banning Canyon and Big Oaks Canyon along rd. to Raywood Flat, Yucaipa Ridge 1402 Comment
  RSA430218  Calochortus splendens E. Misquez 1987-5-16 10 Riverside Santa Ana Mountains, Walker Basin, 2 miles on Avenida de Oro from Jct with Rancho California road and 4.7 miles west of Interstate 15. 415 Comment
  SD140233  Calochortus splendens Scott White 1993-4-22 1221 Riverside North Averill Ranch, in hills north of Walker Canyon. 487 Comment
  SDSU11909  Calochortus splendens H. Wedberg 1962-5-23 939 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  POM351398  Calycadenia tenella Robert Gustafson, Gary D. Wallace 1983-6-23 2721 Riverside Along Clinton Keith Road, ca. 2.5 miiles from its junction with Hwy 15, Santa Ana Mts. Comment
  UCR121648  Calycadenia tenella A. C. Sanders, Kent Beaman 2002-5-10 25049 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
  SD27985  Calycoseris parryi Carl B. Wolf 1932-4-29 3107 Riverside Blythe, Rice Road; 9 miles south of Brown's Well. 800 Comment
  RSA0065471  Calycoseris wrightii M. P. Harthill 1971-3-19 s.n. Riverside Palm Desert. Comment
  UCR116511  Calystegia macrostegia subsp. arida A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20669 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR113037  Calystegia macrostegia subsp. intermedia Mitch Provance 1998-3-26 278 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Hill Park, 0.7 km west of Pyrite St. on north side of Granite Hill Dr. 305 Comment
  UCR98195  Calystegia macrostegia subsp. intermedia Scott D. White 1997-2-9 4672 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  POM9565  Calystegia macrostegia subsp. intermedia P. A. Munz, R. D. Harwood, I. M. Munz 1920-2-28 3254 Riverside 3 miles west of Corona. Comment
  POM15017  Calystegia occidentalis subsp. fulcrata Mary F. Spencer 1922-6-30 950 Riverside Idyllwild 1677 Comment
  UCR273979  Calystegia sepium subsp. binghamiae Mitch Provance 2013-5-29 513- 13 Riverside Santa Ana River Valley, Riverside, Fairmount Park, W side of Lake Evans, W side of Dexter Drive, just SW of the American Legion. 241 Comment
  CAS-BOT-BC199286  Calystegia sepium subsp. limnophila Mitch Provance; S. D. Boyd 1999-9-14 1780 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  SEINET10805071  Camissonia Jennifer H. Jones, Thi (Teresa) Bui; Holly Summers 2006-5-31 Jones 342 Riverside Peninsular Ranges; San Jacinto Mtns.: Just down Mt. Edna Road W off of CA Hwy. 243 (Cabazon 7.5'Q). N facing slope, chaparral with Adenostoma fasciculatum, Eriodictyon crassifolium, Erio gonum fasciculatum and Lotus scoparius. Sandy soil. 1146 Comment
  RSA0040092  Camissonia arenaria Duncan S. Bell, Deidre Conocchioli 2014-3-18 6260 Riverside Orocopia Mountains; southern/central section of range; approximately 0.75 air mile northwest of Gucci Spring. 483 Comment
  CSUSB171  Camissonia bistorta Eric Trubschenck 1972-5-8 10 Riverside 12 miles east of Riverside, one mile south of intersection of Alessandro Blvd. and Wilnot Street. Canyon north-running in east-to-west granite hills. 365 Comment
  HSC16408  Camissonia bistorta C. L. Hitchcock 1966-3-15 24173 Riverside 4 mi. NE of Aguanga Comment
  POM281152  Camissonia bistorta Ethel Rush 1951-4-12 174 Riverside Roadside 5 miles south of Temecula. Hyway 79. 457 Comment
  RSA315552  Camissonia bistorta Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55481 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA465914  Camissonia bistorta N. C. Cooper 1944-5-6 1173 Riverside Banning. 701 Comment
  SEINET7063447  Camissonia bistorta A. G. Vestal 1947-3-30 s.n. Riverside Intersection 5 miles south of Winchester on the Winchester Road (Route 79) at French Valley. UTM Zone 11, 492195mE, 3722513mN. (WGS84/NAD83). 460 Comment
  UCR133976  Camissonia bistorta Mitch Provance, J. S. Ross 1998-3-27 MOR- 965 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  UCR234253  Camissonia bistorta A. C. Sanders 2012-4-12 40022 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
  HSC49197  Camissonia boothii subsp. condensata D. L. Goforth 1979-4-11 113 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  UCR148336  Camissonia brevipes John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  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
  RSA134153  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-2-15 11583 Riverside Colorado Desert. with parents, on roadside embankment at turn to Corn Springs, base of Chuckwalla Mountains. Comment
  RSA136658  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-25 11475 Riverside Box Canyon, 5.5 miles SE of Painted Canyon turnoff, near Mecca. Comment
  RSA466017  Camissonia brevipes subsp. brevipes N. C. Cooper 1949-4-8 3253 Riverside Palm Springs. 457 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
  RSA466162  Camissonia californica E. Crow 1929-4-21 339 Riverside North of Alberhill. Comment
  RSA454727  Camissonia campestris H. de Forest, Rempel 1934-4-14 19809 Riverside San Gorgonio Pass. 602 Comment
  UCD103332  Camissonia campestris subsp. campestris Robert C. Bechtel 1952-3-28 26 Riverside Perris. 443 Comment
  HSC66473  Camissonia cardiophylla Christopher Davidson, Josephine Jones 1980-4-4 9937 Riverside W end of Orocopia Mtns., canyon and wash almost due S of Oro Peak Comment
  RSA454732  Camissonia cardiophylla Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA790631  Camissonia cardiophylla Aaron C. Sedgwick, David Fraker 2012-4-24 12 Riverside In the Palen Valley south of Power Line Rd. that parallels Hwy. 10 159 Comment
  UCR60774  Camissonia cardiophylla Steve Boyd, Orlando Mistretta 1986-3-13 1476 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  POM126823  Camissonia cardiophylla subsp. cardiophylla E. E. Schellenger 5 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  NY679520  Camissonia cheiranthifolia N. D. Atwood 1993-3-27 17699 Riverside Corona del Mar State Park along Newport Coast Drive. 0 Comment
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Jul 14 2012
  UCR41556  Camissonia claviformis A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6009 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
  RSA149769  Camissonia claviformis subsp. aurantiaca Jane Turner, F. M. Ball 1962-3-24 803 Riverside U.S. Hwy 70 at Whitewater. E. 366 Comment
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Oct 1 2011
  RSA278959  Camissonia claviformis subsp. aurantiaca Barry A. Prigge, L. Martinez 1978-3-23 2402 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 244 Comment
  RSA449186  Camissonia claviformis subsp. aurantiaca N. C. Cooper 1949-4-8 3313 Riverside Desert Center. 610 Comment
  UCR234808  Camissonia claviformis subsp. aurantiaca Jim Andre, Glenn L. Clifton 2011-2-22 17469 Riverside Coachella Valley, just south of Hwy I-10 at Amtrak train station parking , just west of North Indian Canyon Drive 186 Comment
  RSA339672  Camissonia confusa Robert F. Thorne, C. W. Tilforth 1980-5-28 54221 Riverside San Bernardino Mts: Rocky and sandy wash along Whitewater River, ca. 3.2 miles N of Whitewater P.O. and Hwy 10. Comment
  UCR178307  Camissonia hirtella T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 615 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  RSA586097  Camissonia ignota D. L. Banks, Steve D. Boyd 1995-4-5 137 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Dripping Springs Trail. 610 Comment
  RSA782529  Camissonia ignota A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38374 Riverside Southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg ) of intersection of I-15 and Lake St. 465 Comment
  UCR250564  Camissonia ignota A. C. Sanders 2014-4-25 41065 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  POM13246  Camissonia intermedia P. A. Munz, I. M. Johnston 1922-5-19 5354 Riverside 5 miles NE of Murietta. 457 Comment
  RSA597080  Camissonia intermedia D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1118 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, SW side of the Water Storage tank., 100 m N of the road junction between the main Preserve Road and the road to the Emerson Cottage. 457 Comment
  CSUSB867  Camissonia micrantha Kirby W. Brown 1966-3-10 Riverside Highway 111, 8.4 miles northwest of Palm Springs 304 Comment
  RSA465916  Camissonia pallida subsp. pallida N. C. Cooper 1949-3-15 3014 Riverside Cabazon. 549 Comment
  RSA528107  Camissonia strigulosa Scott D. White 1991-4-10 91 -65 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road 518 Comment
  RSA740955  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-6-18 12226 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  UC140596  Camissonia strigulosa C. F. Baker 1904-4-5 4116 Riverside Hemet Comment
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Mar 24 2011
  UCR25718  Camissonia strigulosa John C. Roos 1952-4-16 5554 Riverside Reche Canyon. 457 Comment
  UCR87658  Camissonia strigulosa A. C. Sanders 1994-5-29 14571 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  UCSB4434  Camissonia strigulosa Ralph, F. 1959-5-17 Riverside Hwy 74, about 17.2 miles north of Pinon Flats Campground, San Jacinto Mtns. 1371 Comment
  UC1602314  Camissonia strigulosa Alderson 463 Riverside Comment
  UC1979553  Camissoniopsis hirtella Darin L. Banks, Steve Boyd 1995-5-9 371 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UC1931141  Camissoniopsis intermedia Scott D. White, Justin Wood 2008-6-18 12208 Riverside San Jacinto Mountains: K Flat Meadow. (Idyllwild) Comment
  UCR272456  Camissoniopsis pallida subsp. pallida Cheryl Sevilla, Sarah J. De Groot 2015-2-18 015 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, the plain to the east of Mission Creek, 0.4 miles northwest of the Stone House 783 Comment
  UCR138638  Capsella bursa-pastoris D. L. Banks, J. Moreno 1997-2-5 1264 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north of the Riverside/San Diego County line border, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation 409 Comment
  UCR21202  Capsella bursa-pastoris A. C. Sanders 1980-5-1 1377 Riverside San Jacinto Mountains, Garner Valley, off Morris Ranch Road, 2.2 mi north of Kenworthy Ranger Station 1616 Comment
  UCR99563  Cardamine B. G. Pitzer 1996-12-8 2935 Riverside Upper Santa Ana River/San Bernardino Valley Region, City of Riverside, UCR campus, lawn in front of Riverside Campus Federal Credit Union, on Canyon Crest Dr. 335 Comment
  RSA5009  Cardamine californica var. integrifolia C. B. Wolf 1932-3-20 9 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  UC837260  Carex P. A. Munz 1922-7-6 6040 Riverside summit San Jacinto Peak 3291 Comment
  UCR201506  Carex athrostachya Scott D. White, Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  UC72160  Carex fracta H. M. Hall May 17 1901 - Jun 1 1901 2665 Riverside Strawberry Valley, San Jacinto Mountain 1600 Comment
  RSA0125109  Carex praegracilis Duncan S. Bell 2016-10-27 10203 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  CAS-BOT-BC117857  Carex sartwelliana Scott D. White 1996-8-1 4441 Riverside Idyllwild area: N of Strawberry Valley, between Bear Trap Cyn and Lily Creek. 1615 Comment
  POM47442  Carex senta Mary F. Spencer 1919-7-6 1263 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  RSA508010  Carex subfusca Steve Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2297 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  UC72158  Carex subfusca Dr. H. E. Hasse Riverside San Jacinto Mts. Comment
  CHSC88465  Carex triquetra L. P. Janeway 2004-5-8 8060 Riverside Peninsular Ranges. Santa Ana Mountains; San Mateo Canyon, along Tenaja Trail about 650 m south-southwest of trailhead at Wildomar Road. 375 Comment
  UCSB37818  Carthamus tinctorius Oscar F. Clarke 1968-12-16 Riverside collected in University of California Riverside Greenhouse Comment
  RSA450156  Castilleja affinis J. C. Roos 1966-4-5 s.n. Riverside Winchester Comment
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Mar 20 2011
  UCR75538  Castilleja exserta A. C. Sanders 1993-5-12 13997 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  SD137616  Castilleja exserta subsp. exserta Darin L. Banks 1995-5-9 379 Riverside Cleveland National Forest; Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of the Woodchuck Campground 701 Comment
  RSA33474  Castilleja foliolosa N. C. Cooper 1944-5-7 1182 Riverside Banning. 701 Comment
  RSA519243  Castilleja foliolosa Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA774893  Castilleja foliolosa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5030 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  SD233360  Castilleja foliolosa Scott D. White, Justin M. Wood 2009-5-22 12918 Riverside San Jacinto Mts: Old Control Road, above Halfway Spring. (Blackburn Canyon) 1159 Comment
  UCSB26902  Castilleja minor subsp. spiralis Wilken, Dieter 1969-6-30 Riverside Road to Santa Rosa Mountain, 4.0 miles east of California Highway 74, Santa Rosa Mountains Comment
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Nov 30 2014
  SEINET3194789 Image available Casuarina equisetifolia G. Rink 2011-10-11 11080 Riverside Next to agricultural fields east of the McCoy Mountains, northwest of Blythe, used as a windbreak for lemon grove. 160 Comment
  UCR152631  Caucalis microcarpa A. C. Sanders 2005-4-22 29584 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  JEPS26994  Caulanthus hallii W. L. Jepson 1914-5-18 6002 Riverside n Indio (Pinon Well); Colorado Desert, , n of Indio 762 Comment
  RSA531135  Caulanthus hallii M. B. Dunkle 1937-3-25 4942 Riverside Colorado Desert. Shaver s Well Comment
  CAS-BOT-BC41104  Caulanthus heterophyllus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3978 Riverside Vail Lake Area, lower slopes of Agua Tibia Mountain, along Highway 79, east of USFS Dripping Springs Guard Station. 609 Comment
  SD137831  Caulanthus heterophyllus Darin L. Banks, Steve Boyd 1995-3-16 107 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, east of the Dripping Springs Alcove, north slope of Wildorse Peak. 609 Comment
  UCR263215  Caulanthus heterophyllus Ed Kentner, Onkar Singh 2014-4-4 366 Riverside Cleveland National Forest, near Main Divide Road c. 2 km southeast of Ortega Hwy 843 Comment
  HSC82831  Caulanthus lasiophyllus A. C. Sanders, B. Pitzer, D. Charlton 1986-3-1 6016 Riverside Chuckwalla Valley, 1 mi. W of Hayfield Lake, 2 mi. SW of the pumping station on small cutoff road from Hayfield Rd. to the dirt road to the Colorado River Aqueduct 427 Comment
  SBBG101642  Caulanthus lasiophyllus S. Boyd with T. Ross 1990-5-11 4621 Riverside Vail Lake, base of Agua Tibia Mtn, E of Dripping Springs Cmpgrd, S of Hwy 79; area burned previous fall Comment
  PASA1640  Ceanothus crassifolius Sally Ellis 1940-3-17 Riverside Dripping Springs Comment
  RSA500063  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3246 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 426 Comment
  SD140013  Ceanothus crassifolius Scott White 1993-4-22 1329 Riverside North Alberhill Ranch, in hills N of Walker Canyon 487 Comment
  SDSU13698  Ceanothus crassifolius var. crassifolius James C. Dice with George Diggs 1987-12-7 763 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station). overlooking Santa Margarita River. T8S, R3W, NW 1/4 of NW 1/4 of Section 26. 341 Comment
  CAS-BOT-BC49185  Ceanothus cuneatus H. E. McMinn 1925-7-1 1490 Riverside Lower control to Idyllwild - San Jacinto Mtns. Comment
  RSA399853  Ceanothus greggii var. perplexans A. Menke 1955-4-28 s.n. Riverside Near Barton Peak Lookout. San Jacinto Mts. Comment
  RSA606735  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27419 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
  UCR68478  Ceanothus ophiochilus Steve Boyd, L. Arnseth, T. S. Ross 1989-3-31 3098 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  RSA0022326  Ceanothus perplexans Scott D. White, Angelia Carey 2004-7-2 10591 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA0022327  Ceanothus perplexans Justin M. Wood 2009-3-10 347 Riverside Twin Pines Rd, near entrance to Twin Pines Ranch. 695 Comment
  SDSU10418  Ceanothus tomentosus H. Wedberg 1962-5-1 945 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. Comment
  RSA519202  Ceanothus tomentosus var. olivaceus E. Lee Overholtzer 1961-3-12 131 Riverside Santa Ana Mts. On skyline Drive 2 miles west from Kremer Ranch. Mouth of Tin Mine Canyon. Comment
  RSA487200  Centaurium venustum James L. Reveal 1988-5-23 6862 Riverside Along California Hwy 75 [74] at milepost 48, 3 miles E of Fairview Avenue in Valle Vista, N of the Hwy and south of the San Jacinto River. 610 Comment
  RSA741180  Centaurium venustum Scott D. White, Justin M. Wood 2008-7-10 12459 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  UCR174431  Centaurium venustum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32479 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA736001  Centromadia pungens subsp. laevis Scott D. White, Justin M. Wood 2008-6-26 12293 Riverside Perris Basin: I-215 just N of San Jacinto River crossing. 431 Comment
  UCR261197  Centromadia pungens subsp. laevis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41713 Riverside Esinore, near Hwy 74 a short distance NE of wash crossing (drain from Lk. Elsinore to Temescal Canyon) east of Baker St. 385 Comment
  RSA392718  Centrostegia thurberi Christopher Davidson 1973-4-19 1991 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  RSA608701  Cerastium fontanum subsp. vulgare L. C. Wheeler 1961-6-17 7886 Riverside San Jacinto Mountains: Strawberry Creek, Idyllwild. Comment
  RSA405367  Cercidium floridum Anstruther Davidson 1903-5-3 s.n Riverside Thermal. Comment
  RSA444303  Cercidium floridum Walter Wisura 1988-3-2 4219 Riverside Frontage Road off I-10, near pumping station in Pinkham Wash area. Comment
  RSA498414  Cercidium floridum T. S. Clare 1930-4-14 13790 Riverside Indio Comment
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Feb 3 2011
  RSA498416  Cercidium floridum G. R. Johnstone, Johnstone 1930-4-14 14653 Riverside Shavers Well Comment
  RSA776695  Cercidium floridum Duncan S. Bell, Amanda Turek 2010-4-10 788 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  LA47751  Cercocarpus betuloides Elizabeth McClintock; 1940-4-23 sn Riverside Upper part of Idyllwild grade Comment
  POM11522  Cercocarpus betuloides Philip A. Munz 1922-6-30 5925 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UCR102903  Cercocarpus betuloides Bern Schwenn 1998-5-9 s.n. Riverside Mojave Desert, Joshua Tree National Park, upper Smith Water Canyon, near Lower Covington Flat Picnic Area 1357 Comment
  CAS-BOT-BC135452  Cercocarpus betuloides var. betuloides H. E. McMinn 1925-7-2 1510 Riverside Tahquitz Trail to Tahquitz Pk. - San Jacinto Mts. Comment
  SD245306  Cereus A. C. Sanders 2010-5-31 38433 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place. Large Victorian residence. 257 Comment
  UCR207361  Cestrum O. F. Clarke 2002-11-24 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UC454314  Chaenactis artemisiifolia F. M. Reed 1905-7-4 814 Riverside Coldwater Canon, Riverside Middle Coast Comment
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May 22 2012
  UCR47055  Chaenactis artemisiifolia B. G. Pitzer, A. C. Sanders 1987-4-21 499 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  CAS-BOT-BC276378  Chaenactis carphoclinia S. B. Parish 1906-4-20 6785 Riverside Palm Springs Comment
  RSA0107467  Chaenactis carphoclinia Duncan S. Bell, Amanda Turek 2009-3-29 157 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  UCR272261  Chaenactis carphoclinia Duncan S. Bell, Amanda Turek 2010-4-9 781 Riverside Mojave Desert, east side of the Arica Mountains, near the center of the range, c. 1.75 air miles west of Priest Well 485 Comment
  JEPS24882  Chaenactis carphoclinia var. carphoclinia Peter M. Ray 1949-3-12 1380 Riverside Painted Canyon Orocopia Mountains Comment
  RSA124329  Chaenactis carphoclinia var. carphoclinia Percy C. Everett, E. K. Balls 1958-4-29 23012 Riverside Hwy 60/70, Indio to Blythe, 6.5 miles E from Jct with Hwy 9 244 Comment
  RSA457778  Chaenactis carphoclinia var. carphoclinia Steve Boyd, S. Meury, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2210 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  CDA7365  Chaenactis carphoclinia var. peirsonii A. C. Browne 1957-4-6 Riverside 51 miles east of Indio. 0 Comment
  RSA695669  Chaenactis fremontii M. B. B. 1932-2-13 s.n Riverside Between Palm Springs and Palm Canyon. Comment
  SD247580  Chaenactis fremontii J. Mark Porter, Leigh A. Johnson 1997-3-10 11464 Riverside Whitewater Canyon, ca. 1.0 mile north of Whitewater (along Interstate 10). 473 Comment
  UCR208481  Chaenactis fremontii Justin M. Wood 2009-3-26 411 Riverside Coachella Valley, Bermuda Dunes, Ave 38, between Washington St and Hwy I-10 43 Comment
  RSA716190  Chaenactis glabriuscula Scott D. White, Angelia Carey 2004-4-5 10020 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SEINET7063234  Chaenactis glabriuscula A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 887 Comment
  UCR140295  Chaenactis glabriuscula A. C. Sanders 2004-4-9 27470 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 473 Comment
  UCR261179  Chaenactis glabriuscula A. C. Sanders, Katie Young, John Hale 2015-4-22 41607 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1.2 km NW (296 deg. ) of One Horse Spring 461 Comment
  UCR87637  Chaenactis glabriuscula A. C. Sanders 1994-5-29 14546 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  RSA180441  Chaenactis glabriuscula var. glabriuscula E. W. Lathrop 1965-5-30 5773 Riverside 6 miles W of Murrieta. Comment
  RSA543769  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6029 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCD159797  Chaenactis stevioides Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1422 Riverside Colorado Desert: Northeastern Colorado Desert region: along Palen Road near Highway 177. 170 Comment
  UCSB7215  Chaenactis stevioides Beeks, Richard 1952-4-5 Riverside 12 miles E. of Shaver Summit Comment
  UCR201698  Chaetopappa aurea Scott D. White, Justin M. Wood 2008-5-15 11987 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR4048  Chaetopappa aurea Carole Sims 1965-5-1 s.n. Riverside San Jacinto Mtns., 'Tahquitz Meadows' [meadows along Hwy 74 near Keen Camp, east of Mtn. Center], off Pines to Palms Hwy 1524 Comment
  UC868576  Chamaesyce Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert Comment
  RSA0013034  Chamaesyce albomarginata LeRoy Gross, Caitlin Elam 2013-5-14 6057 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA793464  Chamaesyce albomarginata Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-11 4370 Riverside Mecca Hills: at Hidden Spring just off Hidden Spring Canyon, approximately 2.6 air miles south of Shaver Well, or approx. 5.4 air miles northeast of junction of Box Canyon Road and the Coachella Canal. 216 Comment
  RSA596767  Chamaesyce maculata D. L. Banks, K. D. Hedge 1996-5-16 1035 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, approximately 20 m N of the gate to the University of California-Emerson Oaks Reserve, at the junction with the road to the local golf course. 426 Comment
  UC2026395  Chamaesyce polycarpa Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10053 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  CDA4802  Chamaesyce prostrata Steve Boyd 1989-7-9 3781 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  RSA549999  Chamaesyce serpens O. F. Clarke 1976-9-23 s.n. Riverside Common weed on UCR campus. Comment
  RSA592456  Chamaesyce setiloba L. C. Wheeler 1966-10-15 8983 Riverside San Jacinto Mountains. By Black Hill, by Pines to Palms Highway. 976 Comment
  RSA0123694  Cheilanthes covillei Duncan S. Bell, LeRoy Gross 2016-3-30 9161 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA523539  Cheilanthes newberryi Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3999 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  POM12431  Cheilanthes parryi E. C. Jaeger 1921-3-28 s.n. Riverside Colorado Desert: Box Canyon, north of Mecca Comment
  RSA685805  Cheilanthes parryi N. R. Zabriskie, W. M. Zabriskie 1971-3-7 349 Riverside Andreas Canyon watershed. 366 Comment
  UC812277  Cheilanthes parryi Lewis S. Rose 1938-12-17 38317 Riverside Palm Springs 152 Comment
  SEINET5777365 Image available Cheilanthes parryi G. R. Vasey 1881-1 Riverside Whitewater Comment
  RSA654971  Chenopodium album A. C. Sanders 2000-10-16 23722 Riverside railroad right of way between Watkins Dr. and Campus View Dr., near site of Lemona siding 335 Comment
  RSA785467  Chenopodium album A. C. Sanders, Mitch Provance 2000-10-16 23722 Riverside railroad right of way between Watkins Dr. and Campus View Dr., near site of Lemona siding 335 Comment
  UCR199787  Chenopodium album Scott D. White, Angelia Carey 2004-7-2 10555 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  POM161559  Chenopodium atrovirens Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mts. 2439 Comment
  UCR154743  Chenopodium berlandieri T. B. Salvato, Kent Beaman 2005-5-16 778 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR21983  Chenopodium californicum Steve Boyd 1980-4-8 101 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR97682  Chenopodium californicum A. C. Sanders, G. Helmkamp 1997-3-15 19963 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  CLARK-A1528-5012  Chenopodium leptophyllum John C. Roos 1946-8-27 2913 Riverside Santa Rosa Mountains 2438 Comment
  CDA3072  Chenopodium murale J. T. Howell 1977-3-12 52357 Riverside Box Canyon, Joshua Tree National Monument 0 Comment
  UCR163091  Chenopodium murale B. G. Pitzer, G. R. Ballmer 2000-10-14 4227 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, c. 200 yards south of Hwy I-10 off gasline road at large wash, 1 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 110 Comment
  RSA653232  Chenopodium pratericola A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23325 Riverside Coachella Valley: along Dillon Rd. at junction with Tyler, north of I-10, E of Indio and N of Coachella. 5 Comment
  RSA751276  Chenopodium pratericola A. C. Sanders 2008-7-25 35907 Riverside east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  CAS-BOT-BC231783  Chilopsis linearis Carl B. Wolf 1932-4-26 2983 Riverside Colorado Desert. 8 mi. E. of Mecca, on Blythe Road 91 Comment
  CLARK-A1528-2282  Chilopsis linearis John C. Roos 1943-5-23 2669 Riverside Dry Morongo Wash Comment
  SEINET1908448  Chilopsis linearis A. C. Sanders, Mitch Provance 2008-1 35824 Riverside South Coast; San Jacinto Valley: Gilman Springs Road, 1.13 mi. (air) sout of Eden Hot Springs, below Mt. Eden. 450 Comment
  UCR3005  Chilopsis linearis Wm. Horn Jr. 1963-3-23 630323- 3 Riverside Western Colorado Desert, Box Canyon Road (Calif. Hwy 195 ), 6 mi SE of Mecca 100 Comment
  SEINET12271194  Chilopsis linearis L. S. Rosa 1936-1 36793 Riverside Palm Canyon Desert Comment
  SD227877  Chorizanthe brevicornu Scott D. White, Pam Devries 1998-2-9 6078 Riverside La Quinta / Palm Desert area: Whitewater River Channel at and near Miles Ave. crossing. USGS La Quinta 7.5' quad. 17 Comment
  RSA340187  Chorizanthe brevicornu var. brevicornu Robert F. Thorne, W. A. Tilforth 1980-5-28 54177 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  UC635065  Chorizanthe brevicornu var. brevicornu Margaret Stason 1927-2-12 Riverside 1000-Palm Canyon , 1000-Palm Canyon (Colorado Desert) Comment
  RSA681030  Chorizanthe corrugata Scott D. White, Michael Honer 2003-5-14 9264 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SBBG27953  Chorizanthe corrugata F. W. Peirson 1927-4-12 7175 Riverside near fork of Painted Cyn near Mecca Comment
  RSA688846  Chorizanthe fimbriata Scott D. White, Michael Honer 2003-6-17 9552 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  SEINET7072851  Chorizanthe fimbriata A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  UCR121201  Chorizanthe parryi var. parryi D. E. Bramlet 1993-5-10 2350 Riverside Lake Skinner area, Lake Skinner County Park, knoll 1,900 ft. (~ 0.35 mi.) east of 'Old' Warren Road and 1,000 ft (~0.2 mi.) north of East Benton Road. 521 Comment
  UCR260515  Chorizanthe polygonoides var. longispina T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7997 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  SD138826  Chorizanthe procumbens Craig Reiser 1993-3-29 Riverside North of Lewis Valley Road and east of Sage Road Comment
  CAS-BOT-BC246239  Chorizanthe rigida Ira L. Wiggins 1941-3-24 9583 Riverside along eastern side of Salton Sea 1 mile north of Imperial County line Comment
  JOTR36451  Chorizanthe rigida La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3421 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
  UCR16540  Chorizanthe rigida J. Texera 1970-3-27 8 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  RSA6112  Chorizanthe xanti var. leucotheca Carl B. Wolf 1932-5-25 3677 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  RSA772846  Chorizanthe xanti var. leucotheca Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4848 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
  UCR167057  Chorizanthe xanti var. leucotheca Scott D. White, Jennifer H. Jones 2005-5-24 11098 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR112584  Chrysanthemum coronarium A. C. Sanders 1998-4-16 21753 Riverside Riverside, field on the W side of Iowa Ave., just north of the Santa Fe RR tracks 287 Comment
  RSA144221  Chrysothamnus nauseosus subsp. bernardinus William McKinley Klein 1960-8-22 1587 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  POM296660  Chrysothamnus paniculatus L. S. Rose 1946-12-25 46307 Riverside 5 miles east of Cabazon, San Gorgonio Pass. Comment
  RSA0021694  Chylismia brevipes subsp. brevipes Jim Andre 2013-3-27 24818 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  JOTR35077  Chylismia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3528 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  CAS-BOT-BC160627  Chylismia claviformis subsp. aurantiaca Milo S. Baker 1928-4-3 2838 b Riverside Tahquitz [Canon] Canyon Comment
  SD39494  Chylismia claviformis subsp. aurantiaca Edith A. Purer 1935-4-21 6482 Riverside Desert floor, near Palm Springs. Comment
  UC1184368  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11746 Riverside US Hwy 95 8.6 mi n Blythe Comment
  UC635281  Chylismia claviformis subsp. aurantiaca H. L. Mason 1928-3-10 4182 Riverside Whitewater River Comment
  UCR201499  Cirsium occidentale var. californicum Scott D. White, Justin M. Wood 2008-6-17 12181 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  UCR89755  Cirsium occidentale var. californicum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3300 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  SD187343  Cirsium vulgare Scott D. White, Angelia Carey 2004-5-7 10337 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  CAS-BOT-BC438854  Cistanthe monandra H. M. Hall 1904-5-16 4944 Riverside Vicinity of Riverside. Fairmount Park. 243 Comment
  CAS-BOT-BC438862  Cistanthe monandra Kitty Fenley 1929-7-20 s.n. Riverside Five miles from Keen Camp on Hemet Grade, Mt. San Jacinto 1524 Comment
  POM48733  Cistanthe monandra P. A. Munz, I. M. Johnston 1924-7-29 8825 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  POM8511  Cistanthe monandra P. A. Munz, R. D. Harwood 1920-4-4 3524 Riverside Pass south of Palm Springs. 152 Comment
  RSA772844  Cistanthe monandra Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4847 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
  UCR166147  Clarkia dudleyana T. B. Salvato, John F. Green 2004-5-27 567 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  SEINET3093400 Image available Clarkia purpurea Scott White 1991-5-13 91 -113 Riverside Hwy 79, immediately W of U. S. Forest Service Campground at Dripping Springs. Comment
  UCR256755  Clarkia purpurea T. B. Salvato, Matthew Malle 2013-4-15 7544 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 0.83 mi north-northeast of the junction of Lake Street and Hwy I-15 478 Comment
  CLARK-A1528-5356  Clarkia unguiculata John C. Roos, Lucille Roos 1952-4-28 5587 Riverside Riverside 259 Comment
  UCR95256  Clarkia unguiculata D. L. Banks, E. H. Banks 1996-5-2 0961 Riverside NW Palomar Mountains, Agua Tibia Mtns., NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, c. 20 m inside the preserve boundary gate, 3 m east of the main road along an open field. 448 Comment
  UCR155311  Claytonia parviflora A. C. Sanders 2005-5-4 29852 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  SEINET3376701  Claytonia perfoliata Norman C. Cooper 1944-5-21 1301 Riverside San Jacinto Mtns. West Side. 914 Comment
  SDSU18368  Claytonia perfoliata subsp. mexicana C. Matt Guilliams 2008-2-27 479 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. 405 Comment
  RSA113854  Clematis lasiantha E. K. Balls 1956-3-26 21463 Riverside In Santa Ana Mountains, e. slope along Main Divide, Motorway between Indian Canyon and Trabuco. Alt. 4500 ft. 1372 Comment
  SD143771  Clematis lasiantha A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20675 Riverside San Jacinto Mountains: N side of range, 0.2 mi. N of Twin Pines Ranch Road. On the dirt road to Brown Crk and Cabazon 1098 Comment
  RSA770707  Clematis ligusticifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4810 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR169400  Cnicus benedictus T. B. Salvato, John F. Green 2004-5-27 610 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UC1537416  Collinsia concolor Gordon H. True Jr. 1935-3-11 64 Riverside Sycamore Canyon; Box Springs 365 Comment
  RSA0117400  Collinsia concolor N. C. Cooper 1945-5-24 1642 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA359865  Collinsia concolor Steve D. Boyd 1986-4-2 1616 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SD152751  Collinsia heterophylla Steve Boyd 1992-4-15 6868 Riverside San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 334 Comment
  UCR169394  Collinsia heterophylla T. B. Salvato, John F. Green 2004-5-27 596 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  HSC100006  Colubrina californica J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-4-18 12781 Riverside On rocky slope among granite boulders. 355 Comment
  SBBG94914  Convolvulus arvensis E. LaRue 1990-4-10 Riverside midway between Pauba Valley and Wolf Valley, 1/2 mi N of the Pechanga Indian Reservation 365 Comment
  UCR102880  Convolvulus simulans A. C. Sanders 1997-3-26 20130 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  CAS-BOT-BC168173  Conyza coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile SE of Alberhill 439 Comment
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Jul 9 2019
  JOTR29265  Cordylanthus rigidus subsp. setiger La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 1377 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  POM4482  Cordylanthus rigidus subsp. setiger F. M. Reed 1908-7-14 2457 Riverside Common in and below Strawberry Valley. Comment
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May 1 2011
  RSA0011000  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1436 Riverside San Bernardino National Forest: Garner Valley, approximately 2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1373 Comment
  UC26344  Cordylanthus rigidus subsp. setiger Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  RSA757614  Coreopsis bigelovii LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4344 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  POM6544  Coreopsis californica P. A. Munz, L. T. Street, G. Williams 1919-3-28 2388 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA5023  Coreopsis californica C. B. Wolf 1932-3-20 23 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  UC942910  Coreopsis californica var. californica Lewis S. Rose 1949-4-19 49061 Riverside 4 mi ne Alberhill 304 Comment
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Feb 25 2014
  CAS-BOT-BC101300  Corethrogyne filaginifolia Peter H. Raven; R. Snow 1957-7-26 11082 Riverside Banning-Idyllwild Road, 6.5 mi. n. of road to Twin Pines Ranch, San Jacinto Mts. Comment
  RSA296114  Corethrogyne filaginifolia B. A. Prigge 1980-8-25 4011 Riverside San Jacinto Mts, San Gorgonio Pass, SE of Fingal siding, Southern Pacific RR 415 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
  UCR116507  Crassula aquatica A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 744 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR108849  Crassula connata Heidi A. Haid 1968-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR137499  Crassula connata D. L. Banks, V. W. Steinmann 1997-3-13 1528 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR232796  Crassula connata John F. Green 2008-4-16 0408- 48 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  UCR182564  Cressa truxillensis Andrea Salzman, Carlos Navarro, Theresa Johnson 2006-7-10 176 Riverside Perris-Aguanga Basin Region, San Jacinto Wildlife Area, NW of Lakeview, west of Davis Rd. and north of Ramona Expressway, c. 0.75 mi. due N of site of Lakeview Hot Springs 434 Comment
  RSA85070  Crossosoma bigelovii F. W. Peirson 1921-3-21 2808 Riverside Gordon Trail from Andreas Canyon, east base of the San Jacinto Mtns. 1067 Comment
  RSA70558  Croton californicus F. W. Peirson 1920-12-29 4439 Riverside 1.5 miles east of Whitewater Station, head of Coachella Valley. Comment
  SBBG92360  Croton californicus J. M. Stewart 1989-11-20 634 Riverside S side of Edom Hill, N of Cathedral City Comment
  UC868656  Croton californicus I. W. Clokey, C. B. Clokey and B. C. Templeton 1930-4-15 4637 Riverside Gavilan Peak 600 Comment
  SEINET3152142  Cryptantha angustifolia S. B. Parish 1907-4-15 6158 Riverside Western base of the Colorado desert. 450 Comment
  UCD80957  Cryptantha angustifolia Chuck Hughes 2009-3-23 58 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR213257  Cryptantha angustifolia A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37425 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  UCR228174  Cryptantha angustifolia Dave Silverman, Onkar Singh 2010-3-26 7849 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, E of McCoy Mtns, NW of Blythe, 2.2 km E of Black Creek Rd, c. 5 km W of McCoy Wash, and c. 8 km N of I-10 146 Comment
  UC1922545  Cryptantha angustifolia Michael Honer, Dave Silverman 2005-3-18 2097 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Valley; appx. 3 mi. due E of Desert Center Airport. Comment
  NY43471  Cryptantha barbigera C. R. Annable 1995-3-10 2264 Riverside 1.6km S of Lake Cahuilla County Park Comment
  POM14241  Cryptantha barbigera P. A. Munz, D. D. Keck 1922-4-9 4757 Riverside Shavers Well, near Mecca. 76 Comment
  RSA3966  Cryptantha barbigera C. B. Wolf 1932-4-29 3105 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 243 Comment
  RSA776511  Cryptantha barbigera Amber Swanson, Duncan S. Bell 2011-3-10 211 Riverside Shaver's well in Box Cyn in the Mecca Hills 304 Comment
  SJSU11357  Cryptantha barbigera A. N. Gillogly 1966-5-2 Riverside behind Univ of Calif Agricultural Extension Bldg, University of California 365 Comment
Read comments
Mar 27 2014
  UC809722  Cryptantha barbigera Philip A. Munz 1949-4-13 13045 Riverside above Cottonwood Springs (w end Eagle Mts.); Colorado Desert, Eagle Mts. 1097 Comment
  UCR120565  Cryptantha barbigera var. fergusoniae Helen Kennedy, T. B. Salvato 2002-2-2 5447 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  CHSC90589  Cryptantha decipiens Troy Griffiths 1988-4-1 106 Riverside Vic. of Living Desert Reserve, ca. 3 mi se of Palm Desert. 60 Comment
  UCR174946  Cryptantha decipiens Jennifer H. Jones, Toby Bartels 2006-4-23 276 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  POM280807  Cryptantha intermedia Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Aguanga. (north of Riverside Co.) Comment
  RSA614668  Cryptantha intermedia Scott D. White 1997-2-28 4717 Riverside SE of Hwy 74, ca 1 mi E of junction with Hwy I-15 Fwy. 457 Comment
  SDSU12932  Cryptantha intermedia Jutta Buschbom 1991-6-3 26 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UC1292617  Cryptantha intermedia C. L. Hitchcock and C. V. Muhlick 1964-3-17 23092 Riverside 3 mi se Glen Ivy Hot Springs Comment
  UCR128917  Cryptantha intermedia A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23902 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR164890  Cryptantha intermedia S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  UCR23587  Cryptantha intermedia John C. Roos 1950-4-22 4746 Riverside Pigeon Pass. 457 Comment
  UCR241818  Cryptantha intermedia A. C. Sanders, Timothy W. Chumley 2013-4-2 40750 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., above I-15 Fwy, SE of Corona (Lee) Lake 396 Comment
  POM9604  Cryptantha intermedia I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  JEPS119477  Cryptantha maritima Clark Cowan 1978-4-23 1175 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. Comment
  JOTR29373  Cryptantha maritima La Doux, Tasha, Mike Bell 2006-5-10 1450 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UCR112400  Cryptantha maritima A. C. Sanders, T. B. Salvato 2000-5-16 23392 Riverside Sonoran (Colorado) Desert, Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon 30 Comment
  UCR279418  Cryptantha maritima A. C. Sanders, Jim Malusa 2017-3-25 43019 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
  UCR72197  Cryptantha maritima Theo Glenn 1992-3-31 92 4 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  POM6647  Cryptantha micrantha P. A. Munz 1919-3-27 2344 Riverside Salton Sea Comment
  RSA741225  Cryptantha micrantha var. lepida Scott D. White, Justin M. Wood 2008-5-15 11980 Riverside Johnson Meadow. 1415 Comment
  UCR110994  Cryptantha micrantha var. lepida George K. Helmkamp 1998-6-27 4113 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UCSB41272  Cryptantha microstachys Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km.) W on Hwy. 74 from its jct. with Hwy. 243, approaching Hemet, San Jacinto Mts. 1370 Comment
  UCR241240  Cryptantha muricata Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 504 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR18759  Cryptantha nevadensis John C. Roos, Lucille Roos 1949-4-11 4246 Riverside Sonoran (Colorado) Desert, N base of the Chuckwalla Mtns, south of Desert Center Comment
  UCR41228  Cryptantha pterocarya var. purpusii N. M. Fellows, A. C. Sanders 1985-4-9 144 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-BC68029  Cryptogramma acrostichoides F. W. Peirson 1921-8-14 2557 Riverside Sierra Nevada - Triple Falls, Cartridge Creek 2438 Comment
  CLARK-A1528-428  Cucurbita palmata Charlotte Stocks 1964-9-1 Riverside Coachella Valley Comment
  RSA5153  Cucurbita palmata C. B. Wolf 1932-4-27 1474 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
  CAS-BOT-BC224591  Cuscuta californica var. papillosa Ivan Johnston 1917-4-4 1067 Riverside Mouth of Andreas Canyon Comment
  POM201675  Cuscuta subinclusa L. M. Booth 828 Riverside Santa Ana River at Chino Creek, near Prado. Comment
  RSA49307  Cuscuta subinclusa Duncan S. Bell, Colleen Wheeler 2010-7-19 1632 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1383 Comment
  OBI9019  Cyclospermum leptophyllum Robert J. Rodin 1953-5-9 8200 Riverside Fairmont Park, Riverside 259 Comment
  RSA0073879  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17729 Riverside Chuckwalla Mountains, Corn Springs Wash, 5km west of Aztec Well, 74km east of Indio. 760 Comment
  UCR10176  Cylindropuntia bigelovii Anonymous 1969-5-25 21 Riverside Southern Mojave Desert/Sonoran (Colorado) Desert, Joshua Tree Natl. Monument near road leading from Cottonwood Springs to Twenty-nine Palms, in the cholla garden of the Monument 1220 Comment
  SD229116  Cylindropuntia californica var. parkeri Dick Schwenkmeyer 2012-3-26 668 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
  POM285600  Cylindropuntia echinocarpa Lyman Benson, Robert Benson 1952-3-23 14838 Riverside San Jacinto Mountain Range. Northeast of Santa Rosa Peak, Pines-to-Palms Highway. 1220 Comment
  SEINET9037808 Image available Cylindropuntia echinocarpa M. A. Baker, Michelle Cloud-Hughes 2015-1 18412 Riverside San Gorgonio River, 2.5km SW of Cabazon, 28km WNW of central Palm Springs 538 Comment
  UCD97943  Cylindropuntia ramosissima William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  RSA660929  Cymbalaria muralis A. C. Sanders 1998-4-12 21751 Riverside yard of residence at 5081 Magnolia Ave, corner of Chapman Pl. 256 Comment
  RSA795945  Cynanchum utahense Duncan S. Bell 2009-4-19 273 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR65293  Cyperus difformis Steve Boyd 1989-7-23 3788 Riverside Santa Ana River, Riverside, just downstream of the old city dump at W extension of Rubidoux Ave. Comment
  UCR115347  Cyperus involucratus A. C. Sanders, Steve Boyd 2000-11-30 23726 Riverside San Bernardino Valley/ upper Santa Ana River region, Riverside; Box Springs Mtns. foothills, Box Springs Canyon above Sheriff's Academy, north of Central Ave. 396 Comment
  UCR104089  Cyperus odoratus John Wear 1997-9-18 s.n. Riverside Sonoran (Colorado) Desert, City of La Quinta, Washington Street, c. 100 m from Pine 43 Comment
  CAS-BOT-BC280861  Dactyloctenium aegyptium Brad Ballen 1984-11-22 s.n. Riverside North side of Avenue 48, 300 meters west of Hjorth Avenue, southwest of Indio Comment
  RSA0027467  Dalea mollis Deidre Conocchioli, Naomi Fraga, Billy Sale 2013-9-25 61 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
  SEINET958514  Dalea mollis Dave Silverman, Cindy Hopkins 2005-1 5757 Riverside NE Riverside Co., Rice Valley, SE of Danby Dry Lake, S. of Highway 62, along Midland (Blythe-Rice) Roadside, S. of railroad crossing, ca. 234 m elev. 234 Comment
  HSC14692  Dalea mollissima H. E. Parks, W. H. Jordan Feb 1940 24162 Riverside Santa Rosa Canyon 305 Comment
  RSA27027  Dalea mollissima C. L. Hitchcock 1940-3-29 5846 Riverside 12 miles east of Indio. Comment
  RSA0027466  Dasyochloa pulchella Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 59 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
  SEINET183428 Image available Dasyochloa pulchella Harry S. Yates 1937-3-24 6454 Riverside Deep Canyon Coachilla Valley 457 Comment
  UCSB43913  Dasyochloa pulchella Oberholtzer, M. 1980-3-30 Riverside Willey's Well, 10.0 mi SE of Blythe, 0.25 mi N of parking lot on trail to geode diggings 76 Comment
  SEINET237964  Daucus pusillus A. C. Sanders, T. B. Salvato 2000-5-25 23397 Riverside Menifee Valley: S of Newport Rd. N of Holland Rd. and E of Bradley Rd. 2 miles due east of Railroad Canyon Lake. 439 Comment
  UCR250566  Daucus pusillus A. C. Sanders 2014-4-25 41067 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  CAS-BOT-BC294110  Deinandra kelloggii H. M. Hall 1905-6-1 6239 Riverside Hills east of Riverside Comment
  RSA703539  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -147 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  RSA675713  Deinandra mohavensis Scott D. White 2000-10-20 8136 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
Read comments
Dec 16 2012
  UCSB1981  Delphinium parishii subsp. parishii Graney, Don 1953-3-20 Riverside one mile up White Water Canyon Comment
  UCR16753  Delphinium parryi D. C. Wald 1967-5-13 s.n. Riverside Perris-Aguanga Basin region, Bernasconi Hills near Lakeview, on slope opposite Big Rock 503 Comment
  RSA0020472  Delphinium parryi subsp. parryi P. A. Munz, Street, Williams 1919-3-28 2369 Riverside San Gorgonio Pass, near Banning 701 Comment
  UCR268279  Delphinium parryi subsp. parryi Jim Andre 2012-6-15 30504 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  RSA652537  Dendromecon rigida R. Garner 1974-7-15 s.n. Riverside San Jacinto Mts. Comment
  UCD62783  Deschampsia danthonioides var. gracilis Alan A. Beetle 1946-6-10 4404 Riverside San Jacinto Mts., Camp Keene Meadow. Comment
  UCSB2440  Descurainia pinnata Walker, Clifford 1954-4-10 Riverside Near head of White Water Canyon Comment
  SD137696  Dicentra chrysantha Darin L. Banks 1995-4-11 183 Riverside East of the Dripping Springs Alcove Area, along the Dripping Springs Trail. 694 Comment
  UCR154396  Dicentra chrysantha A. C. Sanders, Mike Misenhelter 2005-6-15 30946 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
  UCR141685  Dicentra ochroleuca June Latting 1980-5-20 s.n. Riverside Peninsular Range, Santa Ana Mountains, Skyline Drive in Tin Mine Canyon, south of Sierra Peak 671 Comment
  UCR155070  Dichelostemma capitatum A. C. Sanders, Kelly Volansky 2005-3-17 29215 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR98484  Dichelostemma capitatum A. C. Sanders, G. Helmkamp 1997-3-15 19923 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  SEINET12044711  Dichelostemma capitatum F. A. Thackery 1927-1 289 Riverside Banning Comment
  SDSU12859  Dichelostemma capitatum subsp. capitatum Janet M. Knotts with Jill Steinberg 1998-4-22 22 IV1998A Riverside A few feet east of stream on north side of footpath, approximately 1/2 mile northwest of SDSU Santa Margarita Field aStation, north of Santa Margarita River. 354 Comment
  RSA501057A  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3174 A Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR214871  Dicoria canescens A. C. Sanders 2010-3-15 37402 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UC666420  Dieteria asteroides var. asteroides Annie M. Alexander and Louise Kellogg 1941-5-28 2258 Riverside 3 mi n Palo Verde; Colorado Desert 106 Comment
  OBI36067  Dieteria canescens var. ziegleri J. Derby, T. Krantz 1977-10-1 s.n. Riverside Santa rosa Mt., along road to Santa Rosa summit 2073 Comment
  UC1422542  Dieteria canescens var. ziegleri Jeanine Derby and Tim Krantz 1977-10-13 Riverside on 7SO2 3.6 mi se junction with highway 74 turnoff to Santa Rosa Peak; Santa Rosa Mts. 2377 Comment
  CLARK-A1528-4588  Digitaria sanguinalis John C. Roos 1937-8-17 2547 Riverside San Jacinto Comment
  UCR277403  Dimorphotheca sinuata Anonymous 1942-4-26 s.n. Riverside Palm Springs 183 Comment
  RSA0019291  Diplacus brevipes Percy C. Everett, Lee W. Lenz, E. K. Balls 1952-7-1 17274 Riverside 1.2 mi. s.e. of Lake Fulmore on hwy from Banning to Idyllwild. 1280 Comment
  SEINET222285  Diplacus fremontii B. Ertter, J. Strachan 1979-1 2989 Riverside Banning-Idyllwild Rd (Hwy 243) at Black Mt turnoff (Forest Rd 4Sol), San Jacinto Mts Comment
  CAS-BOT-BC150675  Diplacus longiflorus P. C. Everett 1935-6-17 7147 Riverside Santa Ana Mts., Coldwater Can. Trail to Santiago Pk., 2 mi. above Glen Ivy Resort 609 Comment
  UC303381  Ditaxis claryana Marcus E. Jones, A. M. 1906-4-26 Riverside Indio Comment
  JOTR34093  Ditaxis lanceolata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2671 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
  RSA421610  Ditaxis lanceolata Anonymous 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR86210  Ditaxis lanceolata A. C. Sanders 1995-5-23 17112 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  IRVC28831  Ditaxis neomexicana Mark A. Elvin 2005-4-26 4228 Riverside Coachella Valley/Indio Hills; N of I-10. Northern Sonoran Desert 198 Comment
  RSA0019474  Dithyrea californica J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24390 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  RSA696071  Dithyrea californica Keith E. Hoffmaster 1937-3-16 s.n. Riverside Palm Springs. Comment
  PASA303  Downingia immaculata Frank W. Peirson 1922-4-29 Riverside Field south of Lake Elsinore 380 Comment
  UCR23127  Draba corrugata J. C. Lyman 1981-5-28 s.n. Riverside San Jacinto Mtns., gully behind Tahquitz Peak Comment
  CLARK-A1528-2314  Draba cuneifolia John C. Roos 1958-2-22 Riverside Chuckwalla Mountains Comment
  RSA180368  Drymocallis glandulosa E. W. Lathrop 1960-6-8 4908 Riverside 14 miles west of Murrieta Comment
  HSC1035  Dryopteris arguta W. R. Supernaugh, Jr. 1964-12-24 24 Riverside Joshua Tree Nat'l Monument, 0.25 mi. E of Ryan Campground 1311 Comment
  IRVC144  Dryopteris arguta Ken Ellis 1965-4-24 HS 529 Riverside Ortega Highway; Upper San Juan Creek Camp. Santa Ana Mountains Comment
  POM17776  Dudleya edulis P. A. Munz 1923-6-18 7130 Riverside Temecula Canyon. Comment
  RSA544387  Dudleya lanceolata Steve Boyd 1991-6-14 6402 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
  UCR118177  Dudleya lanceolata Mitch Provance 1998-5-24 532 A Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  UCR3186  Dudleya lanceolata Chuck Elliott 1964-5-7 s.n. Riverside Riverside, 1 mi past end of Canyon Crest Road west. 305 Comment
  UCR216953  Dudleya multicaulis John Dvorak, Karyn L. Drennen, Rose Cook 2010-4-29 02 Riverside Perris-Aguanga Basin, Gavilan Hills, Estelle Mountain, 145m west of main road to mining site on south, 25m east of smaller dirt road, in north-south drainage. 392 Comment
  UCR37492  Dudleya multicaulis Steve Boyd 1981-5-8 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mountain. 823 Comment
  UCR43423  Dudleya saxosa B. G. Pitzer 1986-5-24 0251 Riverside San Bernardino Mtns, Whitewater Canyon, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to c. 1/4 mi north of hatchery boundary 732 Comment
  CAS-BOT-BC109611  Dudleya saxosa subsp. aloides D. W. Kyhos 1960-6-1 s.n. Riverside Bed of San Gorgonio River 2 miles north of Banning. Comment
  JEPS50041  Dudleya saxosa subsp. aloides Carl V. Meyer 1928-7-24 521 Riverside above Ildyllwild Falls (in canyon) 1828 Comment
  POM6694  Dudleya saxosa subsp. aloides G. McKenna 2796 Riverside San Gorgonio Pass. Comment
Read comments
Nov 29 2011
  POM301711  Echinodorus berteroi J. C. Roos 1937-6-7 2236 Riverside San Jacinto Valley. Comment
  RSA725941  Ehrharta longiflora Tom Chester 2005-4-20 581 Riverside Santa Margarita Ecological Reserve: Temecula Gorge, south side 239 Comment
  HSC97606  Eleocharis geniculata A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25686 Riverside Colorado Desert, Coachella Valley, 84th Ave. E of Johnson St., near W edge of Salton Sea -67 Comment
  RSA770879  Eleocharis geniculata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4602 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA593896  Eleocharis palustris Steve Boyd, David E. Bramlet 1996-4-19 8612 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  CAS-BOT-BC113300  Eleocharis parishii Samuel B. Parish 1907-4-22 6145 Riverside Western base of the Colorado desert, Palm Canyon. 200 Comment
  RSA736244  Eleocharis parishii Scott D. White, Jonathan Campbell 2008-4-18 11894 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  RSA741269  Eleocharis parishii Scott D. White, Justin M. Wood 2008-7-10 12450 Riverside Fobes Spring 1500 Comment
  UCR109648  Eleocharis parishii T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  UC146053  Eleocharis quinqueflora Charlotte M. Wilder 1909-7-12 928 Riverside Round Valley San Jacinto Mountains 2743 Comment
  UCR195144  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35938 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  RSA697770  Elymus glaucus J. Russell Bruff 1934-7-5 589 Riverside Idyllwild. Comment
  UCR240647  Elymus glaucus Tracy Tennant, Mitch Provance 1998-6-16 MOR- 413 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  SEINET3258005 Image available Elymus stebbinsii A. C. Sanders, Tim Thomas; T. B. Salvato 2008-6-24 35560 Riverside Peninsular Range; San Jacinto Mtns.; May Valley c. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  UCR2376  Elymus triticoides F. M. Reed 1926-5-20 5372 Riverside Santa Ana Mtns., Santa Rosa Plateau, akaline lake margin west of Temecula [presumably the large vernal pool on Mesa de Colorado, c. 7 mi. due west of Temecula] 625 Comment
  RSA401450A  Emmenanthe penduliflora N. C. Cooper 1949-4-8 3280 Riverside Shaver s Summit east of Indio. 610 Comment
  SD212644  Emmenanthe penduliflora A. C. Sanders, T. B. Salvato 2006-6-2 33086 Riverside Hills between Murrieta and Menifee Valley, west of I-215 south of Bundy Canyon. 548 Comment
  UCR165405  Emmenanthe penduliflora A. C. Sanders 2005-4-21 29567 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR176189  Emmenanthe penduliflora Amber Bruno 2005-4-14 12 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
  UCR85315  Emmenanthe penduliflora A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al. 1995-5-19 16155 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtn Foothills, Coachella Valley, alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road 14 telephone poles above Hwy 111 (Palm Canyon Dr.) 300 Comment
  UCR37412  Encelia actoni Steve Boyd 1981-5-22 s.n. Riverside Lakeview Mountains, 3 mi ESE of Lakeview below the summit of Mt. Rudolf 795 Comment
  UC111153  Encelia californica F. M. Reed 1905-4-10 796 Riverside Arlington Heights 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
  OBI2899  Encelia farinosa Lewis S. Rose 1967-12-19 67180 Riverside La Quinta 15 Comment
  SD229087  Encelia farinosa Dick Schwenkmeyer 2012-5-22 721 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UC1922403  Encelia farinosa Naomi Fraga, Lisa Rojas 2005-2-10 1374 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR108397  Encelia farinosa D. L. Banks, V. W. Steinmann 1997-3-13 1462 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  RSA475298  Encelia farinosa var. farinosa Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2127 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA522772  Encelia farinosa var. farinosa Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3879 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA554022  Encelia farinosa var. farinosa A. C. Sanders, E. J. Lawlor 1992-4-4 12129 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  SEINET4560237  Encelia frutescens J. Andre 2012-1 21367 Riverside Palen Valley; along Palen Pass Rd (dirt) 1.2 mi. east of Hwy 177 184 Comment
  UCR251785  Encelia frutescens Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 981 Riverside Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UCSB44685  Encelia virginensis Hibbard, Doug 1977-5-15 Riverside Wash is on left side of Hwy 74; 8.45 miles from its intersection with Hwy 111 679 Comment
  UCR240045  Ephedra aspera A. C. Sanders, Chika Mori 2011-6-14 39661 Riverside Peninsular Range; Santa Rosa Mtns., Hwy 74 near 'Agave Hill', 0.3 km SW (249 deg. ) of VABM 'Lucky', 1.6 km NE (37 deg. ) of Black Hill, ridge west of Deep Canyon and east of Carrizo Creek, above switch backs 801 Comment
  CAS-BOT-BC81551  Ephedra californica Marcus E. Jones 1903-5-10 s.n. Riverside Palm [Spring] Springs 60 Comment
  RSA770689  Ephedra californica Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4788 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCD133047  Ephedra californica James B. Garner 1959-3-17 408 Riverside vicinity of White Water, north of Palm Springs. Comment
  UCR177328  Ephedra californica Scott D. White, Michael Honer 2003-5-13 9235 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  NY1403  Ephedra clokeyi I. W. Clokey 1935-4-17 6513 Riverside Cottonwood Springs. Comment
  RSA0110607  Epilobium campestre Jeremiah George 2012-6-14 s.n. Riverside San Gorgonio Pass Region: Beaumont, just south of West 4th St. at end of small paved spur road, area boxed in by commercial development. 772 Comment
  UCR116476  Epilobium campestre A. C. Sanders, T. B. Salvato 2001-5-25 24376 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  RSA596163  Epilobium canum subsp. canum D. L. Banks 1996-11-7 1216 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation, 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  RSA512  Epilobium canum subsp. latifolium J. T. Howell 1927-8-2 572 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  UCR145965  Epilobium canum subsp. latifolium June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  CLARK-A1528-7852  Epipactis gigantea John C. Roos 1948-5-15 3838 Riverside Eagle Mountains Comment
  RSA381723  Epipactis gigantea Anstruther Davidson 1904-5-1 1087 Riverside Palm Springs. Comment
  UCR24937  Epipactis gigantea A. C. Sanders 1980-7-22 1715 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  SD81654  Equisetum arvense Louis C. Wheeler 1931-10-4 214 Riverside San Jacinto Mountains, Strawberry Valley 1555 Comment
  MACF015740  Equisetum laevigatum Louis C. Wheeler 1932-7-9 11251 Riverside Santa Ana River at Chino Creek 182 Comment
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Jul 22 2015
  POM11741  Equisetum laevigatum P. A. Munz, I. M. Johnston 1922-5-21 5483 Riverside Kenworthy, San Jacinto Mountains 1448 Comment
  SD137996  Equisetum laevigatum Darin L. Banks, Steve Boyd 1995-5-4 302 Riverside North slope of Agua Tibia Mountain, east of Dripping Springs Alcove area, north of Wildhorse Trail, along Arroyo Seco 598 Comment
  UCR115142  Eragrostis cilianensis Mitch Provance 2000-10-28 2279 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  CAS-BOT-BC213600  Eragrostis mexicana subsp. mexicana G. Helmkamp 1997-11-1 2518 Riverside Bermuda Dunes, 41st St. & Sparky, just E of Washington and S of I-10 30 Comment
  UC871300  Eremalche exilis Lewis S. Rose 1937-4-9 37102 Riverside Palm Springs 137 Comment
  CLARK-A1528-3224  Eremalche rotundifolia John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  UCR167432  Eremalche rotundifolia John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UC354496  Eremothera refracta Edmund C. Jaeger 1926-2-20 Riverside near Niland; Salt Creek Wash, Canyon Springs Comment
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Jan 21 2008
  SEINET3995113  Eremothera refracta H. M. Hall 1905-4-21 5840 Riverside Near Salton Comment
  SD124099  Eriastrum densifolium subsp. austromontanum C. W. Tilforth 1976-7-21 1222 Riverside Ca. 5.0 miles north of Idyllwild. 1524 Comment
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Mar 2 2013
  UC880215  Eriastrum densifolium subsp. austromontanum I. W. Clokey and E. G. Anderson 1935-8-21 6829 Riverside e Keen Camp P.O. 1350 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
  UCR50777  Eriastrum filifolium Bill Wagner 1988-4-5 s.n. Riverside Approximately 1.5 mi NW of the community of Murrieta. south side of I-15 Fwy at the junction of Nutmeg Rd. and Adams Rd. 381 Comment
  UC708663  Eriastrum sapphirinum R. Bacigalupi 1941-8-30 2700 Riverside upper end of Kenworthy Flats San Jacinto Mountains 1392 Comment
  UCR174561  Eriastrum sapphirinum Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., Just south of Mt. Edna Rd. on Calif. Hwy 243 1143 Comment
  RSA0122015  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd 1986-5-7 1844 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  CAS-BOT-BC172852  Ericameria brachylepis A. C. Sanders 2004-7-1 28372 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, just off Wickard Rd. ca. 1 mile east of the Menifee-Antelope Community Hall, 5 miles due south of Sun City 476 Comment
  RSA505022  Ericameria linearifolia D. Charlton 1988-5-21 1911 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74.[note: labels I've seen have both localities (A & B) and don't distinguish elevation or vegetation -SDW 2004] 1829 Comment
  UCR243518  Ericameria linearifolia Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21091 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  UC894832  Ericameria paniculata Carl B. Wolf 1932-10-11 Riverside at San Bernardino Co. line Morongo Wash; Colorado Desert, Little San Bernardino Mts., Morongo Wash 731 Comment
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Feb 10 2013
  RSA90953  Erigeron divergens F. W. Peirson 1921-3-22 2365 Riverside Andreas Canyon, Palm Springs region Comment
  RSA504552  Erigeron foliosus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  SEINET238580  Erigeron foliosus var. foliosus Scott D. White 1997-5-25 5248 B Riverside Hills S of Patton Ave. and W of Winchester Rd. ca 2 air miles SW of jtn. Winchester Rd./ Simpson Ave. 457 Comment
  UCR117617  Erigeron foliosus var. foliosus Scott D. White 1997-5-25 5248 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
  JOTR32351  Erigeron parishii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2467 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
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May 18 2013
  LA205601  Eriodictyon crassifolium S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  POM3882  Eriodictyon crassifolium L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  UC1124323  Eriodictyon crassifolium A. Lewis May 1934 451 Riverside w Long Canyon; Cleveland National Forest, Elsinore Quad. Comment
  RSA0034873  Eriodictyon crassifolium var. crassifolium Ivan Johnston 1917-4-4 s.n. Riverside Palm Canyon. 213 Comment
  RSA771739  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4813 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  CAS-BOT-BC248631  Eriogonum apiculatum James L. Reveal; Caroline G. Reveal 1972-8-9 2860 Riverside San Jacinto Mountains, along California Highway 243, 4.2 miles north-northwest of Idyllwild, 8.7 miles north of the junction with Highway 74, and 1.2 miles south of Alandale Ranger Station Comment
  CAS-BOT-BC33641  Eriogonum apiculatum Ralph E. Hoffmann 1929-9-8 s.n. Riverside San Jacinto Mt. 2133 Comment
  SD86300  Eriogonum apiculatum James L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mountains, along California Highway 243, 4.4 miles north north-west of Idyllwild, 8.9 miles north of the junction with highway 74, and 1 mile south of Alandale Ranger Station Comment
  SD173056  Eriogonum cithariforme Melanie Howe, D. Faulkner 1993-11-21 371 Riverside Painted Canyon (Mecca Quad) Comment
  CAS-BOT-BC242801  Eriogonum davidsonii H. M. Hall 1901-6-1 2088 Riverside San Jacinto Mountains. In the vicinity of Chalk Hill 1524 Comment
  RSA242148  Eriogonum davidsonii James L. Reveal, Caroline G. Reveal 1972-8-9 2852 Riverside Along California Highway 74 at the turnoff to Idyllwild Mile-Hi Trap Club, about 1 mile west of the junction with Highway 243. Comment
  RSA393470  Eriogonum davidsonii Louis C. Wheeler 1931-10-2 178 Riverside Hemet-Idyllwild Road, San Jacinto Mountains 1372 Comment
  RSA674658  Eriogonum davidsonii Scott D. White 2000-8-5 8118 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UCR211472  Eriogonum davidsonii Jim Andre, T. La Doux 2008-9-13 10278 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, upper Wilson Canyon on east side of paved highway 991 Comment
  UCR243181  Eriogonum davidsonii A. C. Sanders 2013-7-6 40842 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Valley View Dr. toward Crestview Dr., at intersection with N-S road of unknown name 1680 Comment
  RSA0018889  Eriogonum deflexum Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6025 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  JEPS35731  Eriogonum deflexum var. deflexum Marjorie D. Clary 1932-5-8 1093 Riverside Beal to Wiley Well; Colorado Desert, Chocolate Mts. 152 Comment
  UC849362  Eriogonum deflexum var. deflexum C. L. Hitchcock 1940-3-30 5875 Riverside Cottonwood Spring Comment
  LA29073  Eriogonum fasciculatum Mary V. Hood; 1946-5-18 46- 33 k* Riverside Snow Creek 609 Comment
  SEINET1909578  Eriogonum fasciculatum A. C. Sanders 2004-1 28392 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft) 1 mi E of Murrieta Rd and 1 mi N of Bundy Canyon Rd, ca 5 miles due south of Sun City 469 Comment
  VVC409  Eriogonum fasciculatum P. J. MacKay 1975-6-1 s.n. Riverside Cismontane S Cal, Chino vic Euclid Ave bordering a channel from Prado Dam 159 Comment
  UC218175  Eriogonum fasciculatum var. flavoviride P. A. Munz, D. Keck 1922-4-13 4949 Riverside Eagle Mtns. Colorado Desert, Eagle Mtns. 243 Comment
  LA206794  Eriogonum fasciculatum var. polifolium H. Lewis; 1935-4-6 sn Riverside Palm Springs 152 Comment
  POM123087  Eriogonum fasciculatum var. polifolium Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  POM294039  Eriogonum fasciculatum var. polifolium Lyman Benson 1945-3-29 11643 Riverside 2 miles south of Whitewater. 366 Comment
  RSA297345  Eriogonum fasciculatum var. polifolium Larry E. DeBuhr 1977-2-20 2556 Riverside 1 mile below the Palm Springs Tramway Station, upper canyon on east side of Mt. San Jacinto. Comment
  RSA393348  Eriogonum fasciculatum var. polifolium M. B. Dunkle 1933-4-5 3371 Riverside Colorado Desert, Jack Rabbit Trail Comment
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Mar 21 2011
  SD93053  Eriogonum fasciculatum var. polifolium W. Bertsch 1954-5-1 530 Riverside Road from Banning to Idlewild 914 Comment
  UCD100074  Eriogonum fasciculatum var. polifolium Nancy Ryan Zabriskie 1969-4-27 204 Riverside Andreas Canyon near Palm Springs. 365 Comment
  SD152782  Eriogonum gracile Steve Boyd 1992-10-14 7718 Riverside San Mateo Canyon Wilderness Area, Northeastern corner of the wilderness, south of Elsinore Peak 975 Comment
  UC1563140  Eriogonum gracile Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-10 3660 Riverside Temecula Creek canyon below dam; Vail Lake area, Temecula Creek canyon; Coordinates: T8 R1W NW1/4 NW1/4 sec.10, NE1/4 NE1/4 sec.9 457 Comment
  UCR154394  Eriogonum gracile A. C. Sanders, Mike Misenhelter 2005-6-15 30971 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
  RSA66029  Eriogonum gracile var. gracile F. W. Peirson 1924-7-29 5029 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  RSA500555  Eriogonum gracile var. incultum Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3606 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  UC85855  Eriogonum inflatum var. deflatum Mrs. E. C. Thurber 1896-3-21 Riverside Palm Springs Comment
  POM2270  Eriogonum inflatum var. inflatum I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 229 Comment
  RSA0048244  Eriogonum molestum var. davidsonii Louis C. Wheeler 1931-10-2 178 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 1371 Comment
  RSA239210  Eriogonum nudum var. pauciflorum James L. Reveal, Caroline G. Reveal 1972-8-10 2870 Riverside San Jacinto Mtns, along Hwy 243, 1/1 miles SE of Alandale Ranger Station, 4.3 miles NNW of Idyllwild and 8.8 miles N of the jct with Hwy 74. Comment
  CLARK-A1528-5182  Eriogonum parishii John C. Roos 1946-8-27 2921 Riverside Santa Rosa Mountains 2194 Comment
  RSA757616  Eriogonum saxatile LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4342 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UC64563  Eriogonum saxatile H. M. Hall 729 Riverside San Jacinto Mountains 2438 Comment
  CAS-BOT-BC263536  Eriogonum thomasii Peter H. Raven 1958-3-15 11844 Riverside Box Canyon Comment
  JOTR37422  Eriogonum thomasii La Doux, Tasha 2016-3-9 3658 Riverside Above Hayfield Dry Lake - Stop 1 509 Comment
  RSA766148  Eriogonum thomasii Marjorie D. Clary 1932-6-5 1023 Riverside Eagle Canyon. Cathedral canyon Comment
  SBBG81367  Eriogonum thomasii S. A. Junak 1983-3-23 1635 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  SBBG99612  Eriogonum thomasii W. L. Halvorson 1977-3-8 77 -92 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCR163924  Eriogonum thomasii A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29130 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR263646  Eriogonum thomasii Aaron C. Sedgwick, Brett Griffin 2012-3-28 034 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  RSA525239  Eriogonum thurberi Steve Boyd, Tim S. Ross 1990-5-11 4616 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  UCR261485  Eriogonum thurberi A. C. Sanders, Katie Young, John Hale 2015-4-22 41586 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  UC472771  Eriogonum trichopes M. F. Spencer Apr 1922 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UCR102942  Eriogonum trichopes var. trichopes George K. Helmkamp 1998-4-4 3142 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  CAS-BOT-BC264934  Eriogonum wrightii var. membranaceum Louis C. Wheeler 1931-10-4 172 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  HSC80294  Eriogonum wrightii var. membranaceum Steve Boyd 1985-10-5 1190 Riverside Harford Springs Co. Park, N edge of Gavilan Plateau, Gavilan Hills, shallow of the Gavilan Creek drainage 610 Comment
  UCR195146  Eriogonum wrightii var. membranaceum A. C. Sanders, Tim Thomas 2008-8-1 35928 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  SEINET3087092 Image available Eriogonum wrightii var. nodosum P. Leary 1974-11-24 857 Riverside Joshua Tree National Monument: uppermost portions of the eastern most fork of Munsen Canyon 1036 Comment
  UCR19426  Eriogonum wrightii var. subscaposum Harlan Lewis 1939-11-22 1018 Riverside San Jacinto Mtns., Idyllwild 1524 Comment
  CHSC60219  Erioneuron pulchellum J. Lund 1980-4-2 Riverside Found 4.0 miles east of Meca on south side of road in a wash. 45 Comment
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May 29 2011
  POM357897  Eriophyllum ambiguum var. paleaceum Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  OBI16503  Eriophyllum confertiflorum Dieter H. Wilken 1965-6-29 322 Riverside Poppet Flat along County rte 1, San Jacinto Mtns 1372 Comment
  RSA33792  Eriophyllum confertiflorum Norman C. Cooper 1944-6-4 1373 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  RSA715348  Eriophyllum confertiflorum A. C. Sanders, Teresa B. Salvato, Kelly Volansky 2006-5-28 32670 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
  UCR172239  Eriophyllum confertiflorum John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  SBBG61084  Eriophyllum multicaule M. N. Ackley 1928-4-3 281 Riverside Clary's Cyn 213 Comment
  SEINET12182127  Erodium botrys J. F. Bright, Wyman, C. 1933-1 8043 Riverside Banning Comment
  UCR199645  Erodium brachycarpum Scott D. White, Justin M. Wood 2008-3-25 11775 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  SBBG133364  Erodium cicutarium S. D. White, J. M. Wood 2008-5-15 11969 Riverside Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom, San Jacinto Mtns 1357 Comment
  UCR224993  Erodium cicutarium Dave Silverman, Cindy Hopkins, Jamison Miner 2008-3-31 7009 Riverside SE of Banning, old gravel pit/dump E of water treatment facility, along Smith Creek, 320 m S of East Westward Ave. 628 Comment
  UCR173930  Erodium macrophyllum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32566 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR97502  Erodium moschatum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19874 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  SEINET7048022  Erodium texanum Steven R. Hill, Kate Kramer 2001-4-27 33491 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
  UCR62382  Eryngium aristulatum R. Montijo 1990-5-23 s.n. Riverside Mesa de Colorado, S edge of Santa Rosa plataeu 642 Comment
  UCR217546  Eryngium aristulatum var. parishii Diane Menuz 2009-5-14 496 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  RSA0016060  Erythranthe breweri N. C. Cooper 1944-7-16 1567 Riverside Above Pine Cove, San Jacinto Mtns. 1829 Comment
  SDSU10781  Erythranthe guttata Wende Rehlaender 1983-5-22 Riverside Across road from Console Springs. Reche Canyon, approx. 7 miles from NW end of Reche Canyon Rd.; about 3 miles N of Sunnymead. Comment
  GMDRC5579  Eschscholzia androuxii Shannon M. Still, Robert Lee 2009-3-3 457 Riverside Little San Bernardino Mountains: Salvia in bloom here, along ith chia, palo verde, Hymenoclea 677 Comment
  UCR102711  Eschscholzia caespitosa B. G. Pitzer 1998-1-24 3396 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  JEPS51774  Eschscholzia californica W. L. Jepson 1914-5-25 6077 Riverside Beaumont Comment
  RSA495823  Eschscholzia californica Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2934 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA585879  Eschscholzia californica D. L. Banks, Peter Morrell 1995-5-4 313 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground., On Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 537 Comment
  SDSU12927  Eschscholzia californica Jutta Buschbom 1991-6-9 43 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR115942  Eschscholzia californica Mitch Provance 1998-6-11 675 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR182313  Eschscholzia californica Mitch Provance 2003-4-5 6617 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  RSA777329  Eschscholzia glyptosperma Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 826 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
  UCD84931  Eschscholzia glyptosperma Chuck Hughes 2010-3-22 203 Riverside Near edge of Rice-Midland Road. 269 Comment
  CAS-BOT-BC83178  Eschscholzia minutiflora Ynez Whilton Winblad 1937-3-21 s.n. Riverside Box Canyon, Coachella Valley. Comment
  RSA191741  Eschscholzia minutiflora Robert F. Thorne 1963-3-29 32407 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA771518  Eschscholzia minutiflora Keith E. Hoffmaster 1935-3-31 564 Riverside Palm Springs. Comment
  UCSB3648  Eschscholzia minutiflora Beeks, Richard 1952-4-4 Riverside 7 mi N or Mecca; in Box Canyon Comment
  RSA0121212  Eschscholzia papastillii Duncan S. Bell, LeRoy Gross 2016-3-8 8820 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of the range, approximately 2 air miles east southeast of the summit for the range. 603 Comment
  CAS-BOT-BC419628  Eschscholzia parishii Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA799407  Eschscholzia parishii Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 739 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
  UC1202952  Eschscholzia parishii Peter H. Raven 1958-1-25 11478 Riverside Box Canyon Comment
  UCR147846  Eschscholzia parishii Steve Boyd, Et al. 2004-5-14 11272 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, 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 Chocolate Mountains Aerial Gunnery Range 570 Comment
  SBBG104165  Escobaria vivipara var. alversonii E. R. Blakley 1993-5-20 7567 Riverside Pinto Mtns, E of White Tank Cmpgrd, Joshua Tree Nat Monument Comment
  UCR111739  Eucalyptus camaldulensis S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCR133176  Eucalyptus camaldulensis J. C. Lyman 1989-2-9 89- 2 Riverside Lakeview, Pressman property in the Bernasconi Hills, just south of the Ramona Expressway, south of Lake Perris and north of Nuevo Comment
  UCR140735  Eucalyptus camaldulensis A. C. Sanders 2004-5-12 27858 Riverside Elsinore Basin Region, Alberhill Mountain, northwest foot near Lake St. at Alberhill 378 Comment
  RSA776250  Eucnide urens Duncan S. Bell 2010-3-20 634 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  RSA556515  Eucrypta chrysanthemifolia Julie Greene 1993-4-10 1137 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 476 Comment
  RSA715256  Eucrypta chrysanthemifolia A. C. Sanders 2006-5-19 32443 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SD140093  Eucrypta chrysanthemifolia Scott White 1993-4-22 1265 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  CLARK-A1656-724  Eucrypta chrysanthemifolia var. chrysanthemifolia Theo Glenn 1979-4-8 Riverside San Jacinto Mountains Comment
  SEINET7073346  Eucrypta chrysanthemifolia var. chrysanthemifolia A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCR100303  Eucrypta chrysanthemifolia var. chrysanthemifolia B. G. Pitzer 1997-4-20 3193 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  UCR41397  Eucrypta chrysanthemifolia var. chrysanthemifolia N. M. Fellows, A. C. Sanders 1985-5-7 189 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  JOTR35151  Eucrypta micrantha La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3263 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  SBBG35142  Eulobus californicus T. L. Secrest 1948-4-10 Riverside near Hemet Comment
  UCR134654  Euphorbia albomarginata Mitch Provance 1998-4-9 403 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 259 Comment
  JOTR37439  Euphorbia eriantha Hodges, Stephen R., T. Hender 2015-12-30 561 Riverside Joshua Tree National Park. Pinto Basin, off of Black Eagle Mine road, then turning north up the park boundary 596 Comment
  RSA295244  Euphorbia eriantha N. R. Zabriskie, Walter M. Zabriskie 1968-2-11 111 Riverside East of trail approaching Eagle Pk., Andreas Canyon. Comment
  UCR92289  Euphorbia maculata Scott D. White, Michael A. Patten 1995-8-16 3549 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  SEINET10389831  Euphorbia micromera A. C. Sanders, Jim Malusa 2015-9-10 41851 Riverside Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  UC869050  Euphorbia palmeri C. Epling and Wm. Robison 1935-6-30 Riverside North Fork San Jacinto River Comment
  UCD142701  Euphorbia polycarpa G. L. Webster; R. Hildreth 1966-12-10 7466 Riverside Shavers Valley. Roadside along Cal. 195 near Buried Mt., c. 3 mi SW of jct. with Interstate 10. 426 Comment
  UCR135818  Euphorbia polycarpa A. C. Sanders, Guy Bruyea 2004-4-2 27431 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UCR177513  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32537 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
  POM177935  Euphorbia polycarpa var. hirtella Joseph A. Ewan 1931-2-23 4046 Riverside Dry sand of desert canyon wash . Devils Canyon above Coral Reef Ranch. Comment
  RSA220385  Euphorbia polycarpa var. hirtella C. W. Tilforth 1971-4-15 345 Riverside C. 6 mi. n. w. of Desert Center, s. e. base of the Eagle Mtns. Comment
  UCR239870  Euphorbia prostrata O. F. Clarke 2004-5-4 s.n. Riverside Riverside, UCR Campus 335 Comment
  RSA736123  Euphorbia supina Scott D. White 2008-4-28 11917 Riverside San Gorgonio Pass: Banning, S of I-10 freeway and just N of San Jacinto Mountains toeslope. E of Sunset Ave. 671 Comment
  SEINET8584419  Eustoma exaltatum G. R. Hall 1905-9-3 s.n. Riverside Riverside. Comment
  CLARK-A1528-7886  Fagonia californica var. glutinosa John C. Roos 1948-9-18 3220 Riverside Painted Canyon Comment
  CAS-BOT-BC171038  Fagonia laevis A. C. Sanders; E. J. Lawlor 1992-4-4 12086 Riverside Within 1/2 mile of McCoy Spring, alluvial slopes below and to the south and canyon bottom above the spring - McCoy Mountains 243 Comment
  RSA391201  Fagonia laevis Jack Rempel, Lester H. Cushman 1932-3-13 15516 Riverside Deep Canyon Colo. Desert. Comment
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Dec 10 2011
  SEINET8564467  Fagonia laevis N. H. Holmgren, P. K. Holmgren, R. E. Kern 1973-3-20 6409 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 290 Comment
  SD225135  Fagonia pachyacantha G. K. Helmkamp 1998-4-4 3158 Riverside Colorado Desert: 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd, to the vivinity of the pumping station. 305 Comment
  RSA645543  Fatoua villosa A. C. Sanders, S. Morgan 1995-11-30 17927 Riverside Riverside: weed in the UCR Botanic Garden [UTM 10km cell: MH-7E, 5N. Edgemont.] 366 Comment
  CAS-BOT-BC56785  Ferocactus cylindraceus P. A. Munz; I. M. Johnston 1922-5-7 5295 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR85152  Ferocactus cylindraceus A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16092 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  UCR113941  Festuca arundinacea Mitch Provance 2000-6-24 2065 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA591751  Festuca elmeri E. W. Lathrop 1966-5-26 6333 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR68867  Festuca microstachys Steve Boyd, T. S. Ross 1990-5-11 4700 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  UCR2411  Festuca myuros F. M. Reed 1903-12-13 407 Riverside South Coast; San Bernardino Valley, Riverside, near natural bridge in Arroyo Chico [Terraces Ranch, 547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  UCR33689  Festuca octoflora Sears 1978-3-16 827 Riverside Sonoran (Colorado) Desert, 2.5 mi NW of Midland, in wash area beyond gap between Little Maria and Big Maria Mtns 270 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
  UCR86654  Festuca octoflora A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16261 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
  UCR197060  Ficus carica A. C. Sanders, D. L. Sanders 2008-9-27 36112 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  UCR177862  Filago depressa Marisa Sripracha, K. A. Boyd 2004-3-21 044 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  RSA689492  Filago gallica Scott D. White 2001-4-19 8369 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  UCR43783  Filago gallica R. F. Thorne, Walter Wisura, Earl W. Lathrop, Sara Meury 1985-5-18 60660 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: edge of Cleveland National Forest 610 Comment
  RSA0018444  Fragaria vesca N. C. Cooper 1944-6-17 1402 Riverside Above Banning. 1220 Comment
  SD212712  Frangula californica T. B. Salvato 2004-5-27 597 Riverside Head of Banning (San Gorgonio River) Canyon .Bernardino County line, 0.5 mile Southeast of Oak Glen Conservation Camp. 1402 Comment
  UC1122129  Frankenia salina A. Lewis May 1934 457 Riverside Lakeview Elsinore Quadrangle Comment
  UCR164889  Frasera parryi T. B. Salvato, John F. Green 2004-5-27 628 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  POM13788  Fraxinus dipetala P. A. Munz, I. M. Johnston 1922-5-5 5149 Riverside Jack rabbit Trail, near Beaumont. 732 Comment
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Mar 21 2011
  UCR132719  Fraxinus uhdei A. C. Sanders, O. F. Clarke 1991-6-10 11131 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  JEPS42943  Fraxinus velutina Marjorie D. Clary 1932-7-4 938 Riverside 10 mi se Kenworthy; Santa Rosa MTs. Comment
  SBBG114129  Funastrum hirtellum E. Collins 1995-4-9 95 -025 Riverside Corn Springs Cmpgrd 518 Comment
  SEINET188336  Funastrum hirtellum C. L. Hitchcock 1940-3-31 5886 Riverside Sandy desert. Between Cottonwood Spring and Pinto Basin. Comment
  UCR241528  Funastrum hirtellum A. 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
  RSA0029199  Funastrum hirtellum John F. Emmel 1997-10-20 1533 Riverside Joshua Tree National Park: Pinto Wells Road, 0.5 road mi north of park boundary. 302 Comment
  RSA775264  Galium Duncan S. Bell 2011-4-8 2207 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UC1618025  Galium andrewsii Donald G. Nelson 1936-5-22 386 Riverside on the Pines-to-Palms Hwy. at Ribbonwood Camp (San Jacinto Mts.); San Jacinto Mts. Comment
  CAS-BOT-BC223035  Galium angustifolium A. C. Sanders 1995-4-13 16483 Riverside San Bernardino Mtns./Colorado Desert: Devil's Garden, E end of the mtns., 2.1 mi. W of Hwy 62 on Pierson Av. & dirt extension, 1.7 mi. above Sierra Bl. 800 Comment
  RSA652668  Galium angustifolium C. J. Humphrey, Herbert Humphery, E. T. Bartholomew 1936-6-7 354 Riverside In desert 15 miles north [E?] of Riverside 366 Comment
  JEPS56034  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-18 4135 Riverside on Route R1 s Idyllwild; Keenwild Station Comment
  RSA221062  Galium angustifolium subsp. angustifolium E. W. Lathrop 1966-3-23 6083 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1220 Comment
  JOTR29304  Galium angustifolium subsp. gracillimum La Doux, Tasha, Mike Bell 2006-5-17 1381 Riverside Joshua Tree National Park. East Deception Canyon Comment
  CLARK-A1528-3948  Galium aparine John C. Roos 1937-5-2 Riverside La Sierra Comment
  UCR174262  Galium aparine A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32673 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., near stream crossing of dirt road 549 Comment
  RSA202660  Galium porrigens L. T. Dempster, G. Ledyard Stebbins 1966-6-17 4243 Riverside Red Hill Road, 0.9 mile north of Alvin Meadows. 1662 Comment
  RSA543617  Galium porrigens Steve D. Boyd 1991-5-7 6152 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA715254  Galium porrigens A. C. Sanders 2006-5-19 32468 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SBBG119992  Galium porrigens var. porrigens A. C. Sanders with M. Misenhelter 2005-3-23 29266 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  JOTR35080  Galium stellatum La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3531 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  POM9333  Galium stellatum Mary F. Spencer 1920-3-27 745 Riverside Palm Springs. 122 Comment
  UCR84788  Garrya Scott D. White, S. Ogg 1994-4-21 2010 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  CAS-BOT-BC158075  Garrya veatchii S. B. Parish 1918-4-3 11697 Riverside Oak Lodge, mouth San Jacinto [Canon] Canyon 914 Comment
  RSA234079  Garrya veatchii Robert F. Thorne, E. Lathrop 1969-6-6 39331 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  SEINET10492283  Gayophytum nuttallii David B. Dunn 1946-8-17 Dunn 2686 Riverside Grass near stream at camp in taquity valley damp meadow area. San jacinto mountains. 2438 Comment
  RSA678930  Gazania linearis Scott D. White, Michael Honer 2003-6-3 9473 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA0049913  Geraea canescens Jim Andre 2014-1-27 26676 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  SEINET10726155  Geraea canescens Billy Joe Cox 1975-4-23 Cox 4176 Riverside Palo Verde, 1-3 km W, (ca, 32 mi S of Blythe). 70 Comment
  UCR25798  Geranium carolinianum John C. Roos 1952-5-7 5620 Riverside Box Springs Mountains above Canyon Crest Heights 503 Comment
  UCR139152  Gilia S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  UCR154400  Gilia A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16214 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UCR157430  Gilia N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 185 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR157615  Gilia N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 184 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  POM250437  Gilia angelensis I. W. Clokey, B. C. Templeton 1930-4-9 s.n. Riverside North of Banning. 1100 Comment
  UCR137504  Gilia angelensis D. L. Banks, V. W. Steinmann 1997-3-13 1453 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR26283  Gilia angelensis John C. Roos 1952-4-23 5578 Riverside Box Springs Mtns, 1 yr old burn, north side of mtns 457 Comment
  UCR59134  Gilia angelensis N. M. Fellows 1985-3-16 112 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts 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
  HSC86989  Gilia capitata Maureen Pendleton 1988-2-15 Riverside 2 mi. NW of Alberhill on E side of Horsethief Canyon wash 381 Comment
  UCR157962  Gilia capitata T. B. Salvato, A. C. Sanders 2005-5-17 926 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  POM10417  Gilia capitata subsp. abrotanifolia Charlotte M. Wilder 1907-4-6 s.n. Riverside Whitewater Ranch Comment
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Nov 30 2009
  POM17826  Gilia capitata subsp. abrotanifolia P. A. Munz, D. D. Keck 1923-6-14 7073 Riverside Santa Ana Mountains: Santiago Peak. 1524 Comment
  POM97005  Gilia capitata subsp. abrotanifolia P. A. Munz 1926-5-2 10425 Riverside about rocks, 5 miles NW of Dripping Spring Comment
  RSA469358  Gilia diegensis Gale Sphon 1955-5-22 s.n. Riverside Montane meadow, Hemet meadow. Comment
  JEPS48799  Gilia latifolia Marjorie D. Clary 1932-4-12 960 Riverside Coral Reef Canyon Comment
  UC52859  Gilia ochroleuca subsp. exilis H. M. Hall 1902-4-8 2764 Riverside vicinity Winchester (Valle Vista, Southern California); vicinity of Winchester, at Valle Vista Comment
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Mar 20 2011
  UC880179  Gilia ochroleuca subsp. exilis I. W. Clokey, E. G. Anderson 1935-4-16 6831 Riverside e Hemet (steep open hillside); e of Hemet 600 Comment
  UCR122539  Gilia ochroleuca subsp. exilis George K. Helmkamp, E. A. Helmkamp 2001-5-20 6668 Riverside San Jacinto Mtns., 0.3 mi NW of Keen Camp Summit along CA-74 1494 Comment
  UCR201504  Gilia ochroleuca subsp. exilis Scott D. White, Justin M. Wood 2008-6-18 12238 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  CAS-BOT-BC407620  Gilia ochroleuca subsp. exilis Frank W. Peirson 1919-4-15 921 Riverside Whitewater Grade above Cabazon Comment
  RSA0017287  Gilia ochroleuca subsp. exilis N. C. Cooper 1945-5-24 1635 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA774302  Gilia scopulorum Duncan S. Bell 2011-4-7 2181 A 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
  GMDRC2592  Gilia stellata J. Andre, T. La Doux 2008-3-21 8835 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Upper Wilson Wash, approx 9.5 mi. S. of North Entrance 33 deg. 58.263' N 115 deg. 59.688' W. Elev. 3338 ft. 1018 Comment
  GMDRC9797  Gilia stellata J. M. Andre 2017-3-1 38000 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  RSA469732  Gilia stellata M. B. Dunkle 1933-3-4 3066 Riverside Painted Canyon, Colorado Desert. 30 Comment
  UC68776  Gilia stellata H. M. Hall May, 1905 6015 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs 670 Comment
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Oct 9 2010
  UCR214284  Gilia stellata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37489 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR165604  Gnaphalium californicum T. B. Salvato, John F. Green 2004-5-27 708 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA736923  Gnaphalium canescens Scott D. White, Angelia Carey, Linca Archa 2004-8-5 10671 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  RSA192005  Gnaphalium microcephalum H. A. Zuill 1966-7-7 280 Riverside San mateo canyon, 9-10 miles SW of Murrieta. Comment
  RSA617821  Gnaphalium palustre R. E. Riefner 1998-4-22 98 -292 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  UCR232794  Gnaphalium palustre John F. Green 2008-4-16 0408- 50 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  UCR155309  Gnaphalium stramineum A. C. Sanders 2005-5-4 29854 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR172148  Gnaphalium stramineum A. C. Sanders 2006-5-11 32266 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
  UCR25852  Grayia spinosa John C. Roos 1949-4-2 4132 Riverside San Bernardino Mtns., Side canyon off Whitewater Canyon Comment
  UCR199575  Gutierrezia californica Scott D. White, Angelia Carey 2004-7-2 10586 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR23826  Gutierrezia californica John C. Roos 1965-9-26 s.n. Riverside Sonoran (Colorado) Desert, rocky point near Palm Springs Station [Windy Point?] Comment
  JOTR01265  Gutierrezia microcephala Cole, James E. 1941-10-20 932 Riverside Joshua Tree National Park. LOST HORSE VALLEY; OPTIMIST MINE ROAD 1310 Comment
  CAS-BOT-BC231097  Harpagonella palmeri Steve Boyd 1986-3-9 1399 Riverside Temescal Canyon: Between Indian Truck Trail and Horsethief Wash 365 Comment
  HSC85434  Harpagonella palmeri Steve Boyd 1986-4-2 1589 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UC2029948  Harpagonella palmeri Steve Boyd 2001-4-12 10414 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  UCR121883  Harpagonella palmeri Ian G. Gillespie, Abby Sirulnik 2000-5-7 36 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
  LA203735  Hazardia squarrosa var. grindelioides A. M. Johnson; 1932-8-18 4139 Riverside San Jacinto Mountains, along road, down Banning side Comment
  POM12406  Helenium bigelovii P. A. Munz 1922-9-7 6407 Riverside Meadow N of Tahquitz Valley 2226 Comment
  RSA0057845  Heleochloa schoenoides J. C. Roos 1969-11-22 Riverside Quail Lake at the south end of Jack Rabbit Trail. Prostrate in the mud at the border of a receding winter-flood lake. Growing in the lake bed. San Jacino Valley, east of Moreno. 426 Comment
  RSA597077  Helianthus annuus D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1115 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; At the junction of Los Caballos Road and Hwy. 378 Comment
  RSA33366  Helianthus annuus subsp. lenticularis N. C. Cooper 1943-9-26 933 Riverside Cabazon; Alkali Flat. 610 Comment
  UC897489  Helianthus californicus I. W. Clokey and E. G. Anderson 1935-8-21 6934 Riverside North fork San Jacinto River 1500 Comment
  RSA16508  Helianthus gracilentus Percy C. Everett 1935-6-17 7150 Riverside Santa Ana Mts. Coldwater Canyon trail to Santiago Peak. 2 miles above Glen Ivy resort. 609 Comment
  UCR126935  Heliotropium curassavicum Julie A. Greene 1993-5-12 1319 Riverside San Jacinto Valley, San Jacinto Wildlife Area, SE end of visitor center road, east of Davis Road 436 Comment
  POM369763  Heliotropium curassavicum var. oculatum N. C. Cooper 1949-6-1 3956 Riverside Elsinore. 457 Comment
  RSA450491  Hemizonia kelloggii J. C. Roos 1965-6-27 s.n. Riverside Reche Canyon Comment
  RSA736381  Hemizonia kelloggii Scott D. White, Justin M. Wood 2008-5-1 11922 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  UCR137042  Hemizonia kelloggii A. C. Sanders 2004-5-5 27786 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
  RSA618635  Hemizonia paniculata D. L. Banks 1997-6-16 2061 Riverside MW Palomar mountains, Agua Tibia Mountains: Pechanga Indian Reservation. On S side of Pechanga Road, approximately 20 m W of the old schoolhouse. 378 Comment
  RSA655231  Hemizonia paniculata Scott D. White 1999-11-12 7632 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  RSA689385  Hemizonia paniculata Scott D. White 2003-6-9 9522 Riverside Perris Basin: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  UCR112808  Hemizonia paniculata A. C. Sanders 1997-5-1 20627 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UCR134656  Hemizonia paniculata Mitch Provance 1998-4-10 413 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  UCR183342  Hemizonia paniculata Mitch Provance 2005-5-27 4606 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  RSA507497  Hemizonia pungens subsp. laevis L. F. LaPre 1998-6-3 s.n Riverside Indian trails Project Site, Indian Truck trail exit on W side of I-15 Fwy in Temescal Canyon , ca. 1/4 mile from the freeway near the dirt road. Comment
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Apr 7 2013
  UCR101369  Hemizonia pungens subsp. laevis A. C. Sanders, K. C. Rose 1998-9-29 22252 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR20805  Hemizonia pungens subsp. laevis Steve Boyd 1980-5-14 270 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR214701  Hesperocallis undulata A. C. Sanders 2010-3-23 37536 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  POM13121  Hesperolinon micranthum P. A. Munz, I. M. Johnston 1922-5-19 5336 Riverside 5 miles NE of Murrieta 518 Comment
  SD152814  Hesperolinon micranthum Steve Boyd, Tim Ross 1992-5-4 7196 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  RSA559353  Heterocodon rariflorum Steve Boyd, Timothy S. Ross 1992-5-15 7389 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  RSA801732  Heterocodon rariflorum LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6177 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  RSA89964  Heterotheca horrida subsp. cinerascens J. C. Roos, L. Roos 1950-10-21 5011 Riverside Wonderland of Rocks [Joshua Tree National Park]; Little San Bernardino Mts. 1220 Comment
  UCR34904  Heterotheca sessiliflora subsp. echioides L. B. Ziegler 1966-8-9 075 Riverside San Jacinto Mtns., Hemet (Thomas-Garner) Valley 1418 Comment
  OBI38924  Hibiscus denudatus A. C. Sanders, D. Charlton & B. Pitzer 1986-3-3 6130 Riverside North foot of the chuckwalla Mts, 2-3/4 mi Airline Se of Desert Center 366 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
  JOTR36085  Hilaria rigida La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3312 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  UCD90086  Hilaria rigida H. S. Yates 1937-3-23 6442 Riverside 15 miles N. N. E. of Mecca. 457 Comment
  RSA0016768  Hippuris vulgaris Louis C. Wheeler 1961-6-24 7905 Riverside San Jacinto Mountains: Fulmor Lake.. . Comment
  CAS-BOT-BC207507  Hoffmannseggia glauca Roxana S. Ferris 1918-6-19 1011 Riverside Blythe, Palo Verde Valley Comment
  CAS-BOT-BC207567  Hoffmannseggia microphylla M. E. Jones 1906-4-27 s.n. Riverside Indio Comment
  OBI26133  Hoffmannseggia microphylla David J. Keil 1976-12-12 11913 Riverside Ca. 5 mi E of Indio along I-10 Comment
  UCD105851  Hoffmannseggia microphylla Richard Bates 1949-4-28 s.n. Riverside Cathedral city, southeast of Palm Springs. Comment
  UC65757  Hoita macrostachya E. A. Zumbro 1904-1 418 Riverside Cold Water Canyon Santa Ana Mts. Comment
  UCR224395  Hordeum brachyantherum Justin M. Wood 2010-4-13 1463 B Riverside Prado Basin, city of Corona, small tributary to Temescal Wash, 0.5 mi northwest of Auburndale Street near Flood Control Dike 165 Comment
  RSA234097  Hordeum brachyantherum subsp. californicum R. F. Thorne, E. W. Lathrop 1969-5-12 37936 Riverside Santa Rosa Plateau: Vernally moist drainage way of large vernal marsh, Mesa de Colorado, Rancho California. Comment
  UCR112394  Hordeum depressum A. C. Sanders, K. C. Rose 1998-5-21 21857 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  RSA515341  Hordeum marinum subsp. gussoneanum Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau; S of town of Murrieta, on W side of Mesa de Burro., (Near 33 deg 31'N, 117 deg 14'W). 549 Comment
  POM1308  Hordeum murinum subsp. glaucum Crocker, Robinson 1916-3-29 730 Riverside Elsinore near lake shore Comment
  SBBG72537  Horkelia clevelandii Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Comment
  UCR146261  Horkelia clevelandii Orlando Mistretta, Mark A. Elvin 1995-6-19 1772 Riverside Peninsular Ranges; San Jacinto Mountains, -- exact loc. unrecorded 1463 Comment
  RSA559338  Horkelia cuneata subsp. puberula Steve D. Boyd, Tim S. Ross 1992-5-15 7404 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
  CHSC1030  Horsfordia alata V. Holt 1935-4-16 Riverside West Colorado Desert near San Jacinto. Comment
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Mar 10 2016
  JEPS68629  Horsfordia alata Mrs. Ben L. Clary 1930-12-7 Riverside Coral Reef Ranch Coachella Comment
  RSA0123111  Horsfordia newberryi Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9018 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  CAS-BOT-BC201092  Hosackia crassifolia Carl B. Wolf 1932-8-4 3909 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  POM266314  Hulsea heterochroma J. C. Roos 1942-6-20 1274 Riverside Roadside N of Idyllwild. Comment
  POM11998  Hulsea vestita subsp. callicarpha Mary F. Spencer 1921-5-18 1200 Riverside Idyllwild; San Jacinto Mt. 1706 Comment
  RSA305663  Hulsea vestita subsp. callicarpha C. W. Tilforth, Walter Wisura 1979-1 1922 Riverside Along Thomas Mts. Rd., 10.4 miles from N jct. with Hwy 74, S of Lake Hemet. Comment
  SEINET480190  Hulsea vestita subsp. callicarpha D. Wilken 1969-6-30 Riverside 1 mile south of Idyllwild, along Riverside County Road R1, San Jacinto Mtns. Comment
  POM361079  Hymenoclea salsola P. J. Remple 1942-3-1 s.n. Riverside Near Palm Springs. Comment
  POM6597  Hymenoclea salsola P. A. Munz, L. T. Street, Williams 1919-3-25 2321 Riverside Desert at mouth of Canyon, Palm Canyon Comment
  UCR109543  Hymenoclea salsola R. D. Goeden, Don W. Ricker 1971-4-1 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 1.5 mi. west of Corn Spring in wash on canyon bottom 600 Comment
  UCR34978  Hymenopappus filifolius var. lugens L. B. Ziegler 1968-5-21 298 Riverside San Jacinto Mtns., Hemet Valley (=Garner Valley) 1418 Comment
  UCR156478  Hypochaeris glabra Jason L. Hlebakos 2005-5-3 620 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  CHSC101905  Hyptis emoryi Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10463 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: east side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA700973  Hyptis emoryi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11220 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UC1541662  Hyptis emoryi H. E. and S. T. Parks 1940-2-12 24170 Riverside Mouth of Santa Rosa Canyon 304 Comment
  UC449964  Hyptis emoryi F. M. Reed 1917-5-19 3868 Riverside Palm Canyon; Riverside and Vicinity, Palm Canyon Comment
  RSA557361  Isocoma menziesii Julie Greene 1993-6-11 1332 Riverside North of new pond. 441 Comment
  RSA557370  Isocoma menziesii Julie Greene, S. White 1993-7-5 1401 a Riverside San Jacinto Wildlife Area. Lower, flat area, W of dirt road. 441 Comment
  UCR117329  Isocoma menziesii var. vernonioides Mitch Provance 1998-6-11 655 Riverside Jurupa Mountains, NW Jurupa Mtns; south of the E extreme of Philadelphia St. 290 Comment
  SD204904  Isoetes howellii R. F. Thorne, E. W. Lathrop, et al. 1982-6-5 55204 Riverside Santa Ana Mountains region: SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached from De Luz road. 579 Comment
  UC11122  Isomeris arborea H. M. Hall Apr 1897 450 Riverside Whitewater; Colorado Desert Comment
  UC898140  Iva axillaris subsp. robustior I. M. Johnston 1918-5-30 2014 Riverside Temescal Canyon 365 Comment
  RSA85817  Ivesia santolinoides E. C. Jaeger 5445 Riverside County Well Canyon [6.8 miles below Pinyon Well on the road to Indio, presumably in what is now called Pushawalla Canyon] Comment
  UC1523439  Ivesia saxosa Robert F. Thorne, Rolf and Gertrud Dahlgren 1979-8-22 53577 Riverside base of Ryan Mountains (vicinity of Ryan Camp); Joshua Tree National Monument 1341 Comment
  RSA0011054  Juglans californica Freda Detmers 1931-6-19 s.n. Riverside Santa Ana Valley Comment
  RSA751412  Juglans hindsii R. E. Riefner Jr., K. Campbell 2007-5-19 07 -211 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca. 1.5 mi W of I-15 Fwy. 298 Comment
  SEINET3245947  Juglans regia A. C. Sanders, R. E. Riefner Jr. 2009-1 37146 Riverside Peninsular Range: Riverside, CUR campus by West Campus Drive near The Barn (Riverside East 7.5') 320 Comment
  UCR20982  Juncus acutus subsp. leopoldii A. C. Sanders, J. Zabriskie, S. D. Boyd 1980-4-17 1337 Riverside Sonoran (western Colorado) Desert, Coachella Valley at the foot of the Indio Hills near Thousand Palms Oasis, Willis Palms grove 152 Comment
  CLARK-A1528-18  Juncus bufonius C. M. Flanagan 1973-5-22 OO 901 Riverside Santa Ana River Comment
  RSA0119964  Juncus bufonius Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9075 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
  RSA736246  Juncus bufonius Scott D. White, Justin M. Wood 2008-4-3 11803 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  UCR24958  Juncus bufonius A. C. Sanders 1980-7-22 1731 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  RSA500566  Juncus bufonius var. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3603 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  POM48366  Juncus duranii Phillip A. Munz 1924-7-27 8783 Riverside Dark Canyon, San Jacinto Mountains. 1981 Comment
  RSA763169  Juncus effusus Scott D. White, Justin M. Wood 2009-5-22 12923 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  RSA368244  Juncus mexicanus H. de Forest, Jack Rempel 1932-10-22 s.n. Riverside Pines to Palms Highway. Comment
  RSA368246  Juncus mexicanus M. B. Dunkle 1933-7-21 3720 Riverside Idyllwild 1616 Comment
  SD241644  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35564 Riverside Peninsular Range: San Jacinto Mountains: May Valley c. 1.25 miles SW of Fleming Ranch, slope below May Valley Road toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Road (Idyllwild 7.5'Q) 1555 Comment
  UCR193287  Juncus tiehmii A. C. Sanders, Tim Thomas 2008-6-20 35547 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA653175  Juncus torreyi Mitch Provance 2000-6-24 2076 Riverside Santa Ana River Wash, between the Market St. bridge and the 60 Fwy. 244 Comment
  JEPS48239  Juniperus californica W. L. Jepson 1928-4-25 12583 Riverside Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
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Oct 9 2010
  SEINET7248048  Juniperus californica Louis C. Wheeler 1960-1 7672 Riverside Alberhill Comment
  CAS-BOT-BC234571  Justicia californica Mrs. Jos Clemens 1922-4-10 s.n. Riverside Mecca Comment
  JEPS123661  Justicia californica J. Andre, T. La Doux 2008-3-21 8828 Riverside JOTR Joshua Tree National Park: Upper Cottonwood Canyon approx. 2 miles S of Cottonwood visitor's center. Comment
  POM11223  Justicia californica E. A. McGregor 1917-3-18 731 Riverside 6 mi., Painted Canyon. Comment
  RSA398814  Justicia californica Robert L. Dressler 1949-3-19 413 Riverside Box Canyon, Orocopia Mts. Comment
  RSA402297  Justicia californica Ora M. Clark 1929-2-22 1574 Riverside Sandy desert valleys. So. of Palm Springs. Colorado Desert. Comment
  RSA73961  Justicia californica Alice Yates, Jas. E. Wilcox 1952-4-5 29 Riverside Between Box Canyon and Smoke Tree National Monument. 152 Comment
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May 20 2012
  CDA28958  Keckiella antirrhinoides Mike Lahti 2009-4-7 PDR# 1501611 Riverside East Hemet. 0 Comment
  RSA660491  Keckiella antirrhinoides A. C. Sanders 1998-2-19 21654 Riverside mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  SD187479  Keckiella antirrhinoides Scott D. White, Angelia Carey 2004-4-16 10158 Riverside San Jacinto Mountain Foothills, Indian Creek 548 Comment
  SEINET3079796 Image available Keckiella antirrhinoides Cindy Huebner 1988-4-17 8 -9 Riverside S of Riverside at Harford Springs County Park; Gavilan Road; 1 mi. E of Cajalco Road 732 Comment
  UC1063329  Keckiella antirrhinoides R. St. John 1929-5-23 30 Riverside Bautista Canyon; San Jacinto Quad. 609 Comment
  POM9595  Keckiella antirrhinoides I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  RSA496453  Keckiella antirrhinoides subsp. antirrhinoides Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-31 3067 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA543939  Keckiella cordifolia Steve D. Boyd 1991-5-10 6217 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  UCR165831  Keckiella cordifolia T. B. Salvato, John F. Green 2004-5-27 637 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA500564  Koeleria macrantha Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3607 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  UCR96412  Koeleria macrantha Scott D. White 1996-8-1 4446 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  SD229196  Krameria bicolor Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 891 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  CAS-BOT-BC168506  Krameria erecta Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9002 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  JOTR32604  Krameria erecta La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2668 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 Comment
  RSA20295  Krameria erecta Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9560 Riverside 1 mile below Cottonwood Springs Comment
  SEINET189444  Krameria erecta Annie M. Alexander, L Kellogg 1941-5-11 2150 Riverside Eagle Mountains Cottonwood Spring 884 Comment
  JOTR30099  Krameria grayi La Doux, Tasha, Alice Miller 2007-5-31 1775 Riverside Joshua Tree National Park. Stop 1: Cottonwood Springs/Oasis; slope above oasis along visitor walkway to parking lot. 893 Comment
  SEINET189692  Krameria grayi Annie M. Alexander, L Kellogg 1941-5-14 2166 Riverside Near Shaver Summit 503 Comment
  RSA91216  Krameria grayi F. W. Peirson 1934-04 2034 Riverside Whitewater at head of Coachella Valley. Comment
  UC1537246  Lamarckia aurea Gordon H. True Jr. 1935-3-11 75 Riverside Box Springs 365 Comment
  UCR2509  Lamarckia aurea F. M. Reed 1904-1-5 221 Riverside Riverside, Victoria Ranch Comment
  POM12138  Lamarckia aurea Mary F. Spencer 1921-5-28 s.n. Riverside Near San Jacinto 549 Comment
  UCR133687  Lamium amplexicaule Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  HSC17018  Langloisia setosissima subsp. setosissima C. L. Hitchcock 1966-3-20 24310 Riverside N of Milpitas Wash, Ogilby-Blythe Rd. Comment
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Mar 2 2013
  CAS-BOT-BC205629  Larrea tridentata James R. Shevock 1986-3-23 11357 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  CHSC2043  Larrea tridentata V. Holt 1935-4-16 Riverside Colorado Desert. Comment
  POM7118  Larrea tridentata Philip A. Munz, L. T. Street 1919-3-25 2306 Riverside Palm Canyon, Palm Springs. 229 Comment
  RSA0107466  Larrea tridentata Duncan S. Bell, Amanda Turek 2009-3-30 159 Riverside East side of the Arica Mountains; approximately 1.3 air miles west northwest of Priest Well. 381 Comment
  SEINET10779066  Larrea tridentata J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12827 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then ca 1.3 km on Whitewater Canyon Road. Comment
  UCR163926  Larrea tridentata A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29134 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  RSA593997  Lastarriaea coriacea D. L. Banks, Elizabeth Hedge Banks 1996-5-2 940 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  RSA0035241  Lasthenia chrysostoma Andrew Haimov, April Sleigh 1992-4-20 76 Riverside 150 meters east of Davis Road, 2 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  CAS-BOT-BC354219  Lasthenia coronaria L. R. Abrams 1935-4-7 13668 Riverside Gavilan Hills 2 mi S.W., Perrin Comment
  CLARK-A1528-7804  Lasthenia coronaria John C. Roos 1938-4-4 1630 Riverside La Sierra Comment
  RSA776212  Lasthenia coronaria Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 864 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  UC55102  Lasthenia coronaria H. M. Hall 1903-4-1 3787 Riverside vicinity of Riverside 396 Comment
  UCR109449  Lasthenia coronaria A. C. Sanders 1995-4-13 16500 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  SEINET7042766  Lasthenia glabrata W. P. Vestal, A. G. Vestal 1955-3-25 3476 Riverside Adenostoma chaparral, Lakeview Mountains on Juniper Flat Road. Lakeview quadrangle UTM Zone 11, 489935mE, 3735502mN. Comment
  UCR99330  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1996-4-11 2450 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area, c. 762 m NE of Lakeview, 122 m east of Davis Road and 40 m north of Marvin Road 434 Comment
  RSA560359  Lasthenia gracilis Steve Boyd 1992-4-14 6822 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  SBBG7750  Lasthenia gracilis H. and M. Dearing 1942-3-7 4815 Riverside near Whitewater Wash, Cathedral City Comment
  UC188983  Lasthenia gracilis Lemmon 1880-5-1 1 Riverside San Gorgonio Pass Comment
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Mar 9 2011
  UCR121786  Lasthenia gracilis A. C. Sanders, Carolyn Washburn 2001-4-17 24045 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR213484  Lasthenia gracilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37819 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR214891  Lasthenia gracilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37685 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR225582  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-3-29 38871 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  CAS-BOT-BC320796  Layia glandulosa Cecil Hart 1922-5-21 16 Riverside San Jacinto Mt. Comment
  JEPS23550  Layia glandulosa Peter H. Raven 1958-5-5 12904 Riverside Comment
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Mar 13 2011
  RSA126657  Layia glandulosa Peter H. Raven 1958-5-18 12968 Riverside 2.3 miles from Mountain Center on road to Hemet, San Jacinto Mountains. Comment
  SEINET270803  Layia glandulosa Richard J. Shaw 1958-4-6 1102 Riverside Joshua Tree National Monument ; Road between White Tank Campground and South Entrance 610 Comment
  CAS-BOT-BC379629  Layia platyglossa Peter H. Raven 1958-5-18 12971 Riverside Hemet Meadows, San Jacinto Mts. Comment
  RSA741421  Layia platyglossa Justin M. Wood 2008-12-2 258 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  SEINET7073464  Layia platyglossa A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UC1287059  Layia platyglossa C. L. Hitchcock 1966-3-15 24146 Riverside 1 mi e of Glen Ivy Hot Springs Comment
  UC133391  Layia platyglossa T. S. Brandegee 1894-5-2 Riverside Nuevo Comment
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Feb 26 2013
  UCD133983  Layia platyglossa C. L. Hitchcock 1966-3-15 24146 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  UCR271692  Lemna Mitch Provance 2011-7-4 17175 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  RSA376132  Lemna minuta Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61204 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA429905  Lepidium fremontii M. B. Dunkle 1934-3-31 4439 Riverside Pinto Basin, Colorado Desert 915 Comment
  CAS-BOT-BC89583  Lepidium lasiocarpum D. A. Johansen; J. A. Ewan 1932-4-10 7056 Riverside Along diversion canal at mouth of Tahquitz Canyon. 213 Comment
  UCR102707  Lepidium lasiocarpum B. G. Pitzer 1998-1-24 3391 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR266288  Lepidium lasiocarpum D. E. Bramlet, Fred M. Roberts 2005-6-6 3869 Riverside San Jacinto Valley, San Jacinto River at Sanderson Ave., north of Ramona Expressway 447 Comment
  UCR20842  Lepidium latifolium A. C. Sanders 1980-5-13 01454 Riverside SE edge of Riverside. In Mockingbird Creek near where it crosses Van Buren Blvd. 366 Comment
  UCR65276  Lepidium latifolium Steve Boyd 1989-7-23 3787 Riverside Santa Ana River, Riverside, just downstream of the old city dump at W extension of Rubidoux Ave. Comment
  RSA645673  Lepidium nitidum Scott D. White 1999-5-2 7290 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
  UCR242674  Lepidium virginicum subsp. menziesii A. C. Sanders 2013-7-6 40839 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  CAS-BOT-BC60108  Lepidium virginicum var. menziesii Geo. T. York 1936-7-30 s.n. Riverside Chino. Comment
  CAS-BOT-BC60111  Lepidium virginicum var. menziesii A. C. Sanders; Mitch Provance; T. B. Salvato 2001-5-7 24158 Riverside Perris-Aguanga Basin region. South of Hemet, east end of Diamond Valley, along Gibbel Road. 549 Comment
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Oct 23 2018
  SD144034  Lepidospartum squamatum A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15806 Riverside San Bernardino Mountains: Whitewater cyn., 2 mi. below trout farm, above Bonnie Bell. 550 Comment
  SEINET2053392 Image available Lepidospartum squamatum J. Harry Lehr 1975-10-12 1698 Riverside Rt. I-10, 2 mile E of Ramsey Street, Banning. 152 Comment
  CLARK-A1656-705  Lepidospartum squamatum var. palmeri Theo Glenn 1980-10-22 Riverside Snow Creek 335 Comment
  SEINET3005063  Leptochloa uninervia G. Rink 2011-4-30 10501 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  JOTR31064  Leptodactylon pungens La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2046 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 3: west side of Quail Mountain region on steep north facing slope with loose loamy soil Comment
  POM364533  Leptosiphon ciliatus Anstruther Davidson s.n. Riverside San Jacinto Cal. Comment
  POM99052  Leptosiphon floribundus E. C. Jaeger 1926-5-1 s.n. Riverside Joseph Canyon, Santa Ana Mts. Comment
  CAS-BOT-BC227052  Leptosiphon floribundus subsp. glaber Edmund C. Jaeger 1919-5-10 s.n. Riverside Rockhouse Canon [Canyon], southern Riverside Co. 457 Comment
  RSA73056  Leptosiphon lemmonii F. W. Peirson 1922-4-28 2931 Riverside Temescal Canyon. 335 Comment
  RSA262081  Leptosiphon liniflorus E. W. Lathrop 1968-5-22 6945 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  SD119888  Leptosiphon liniflorus Louis B. Ziegler 1967-9-6 238 Riverside San Jacinto Mountains; Hemet Valley, Quinn Flat region. 1372 Comment
  SD262349  Leptosiphon parviflorus Mitch Provance, Jeramiah George, Matt K. Beyers, John Hazlett 2017-3-27 317 47 Riverside Temescal Valley: East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard. (Alberhill 7.5'Q) 390 Comment
  JOTR32900  Leptosyne californica La Doux, Tasha, E. Babich, J. Galvin 2008-2-21 2941 Riverside Joshua Tree National Park. eastern edge of Hexie Mountains; Wilson Canyon, open coarse sandy bajada west of pull out for Silver Bell Mine 804 Comment
  UC279681  Lesquerella tenella Edmund C. Jaeger 1926-2-28 Riverside Canyon Springs Wash near Salton Station (Colorado Desert); , Canyon Springs Wash 30 Comment
  RSA735610  Lessingia glandulifera var. glandulifera LeRoy Gross, Duncan S. Bell 2008-9-16 3580 Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  UCR177419  Lessingia glandulifera var. glandulifera Scott D. White 2003-10-9 9822 Riverside San Jacinto Mountains, Pine Cove area, Dutch Flat 1753 Comment
  RSA703626  Leymus condensatus Scott D. White, Angelia Carey 2004-9-16 10749 Riverside Along Poppet Creek NE of San Jacinto River. Along open sandy dry wash and adjacent roadside. 561 Comment
  UCD87589  Leymus triticoides P. B. Kennedy 1915-1 s.n. Riverside Wineville. Comment
  RSA592024  Lilaea scilloides E. W. Lathrop 1968-5-15 6881 Riverside 8 miles W of Murrieta; Reedonda Mesa, Santa Rosa Plateau 610 Comment
  SD137973  Lilium humboldtii subsp. ocellatum Darin L. Banks, Victor Steinmann 1995-7-10 749 Riverside Northwest Palomar Mtns; Agua Tibia Mtns; Cleveland Nat'l Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, south of lower Arroyo Seco, northwest of Wildhorse Peak, in major drainage that flows off the northwest flank of Wildhorse Peak 609 Comment
  SEINET7072830  Linanthus androsaceus A. G. Vestal 1963-5-19 s.n. Riverside Among granite boulders about 0.9 miles west of Radec on Route 79 [old 71]. Coordinate datum: WGS84/NAD83. (33? deg. 28' 2" North Latitude, -116? deg. 55' 39" West Longitude, Coordinate datum: NAD27.). Comment
  UCR908  Linanthus androsaceus subsp. micranthus Frank C. Vasek 1958-4-26 s.n. Riverside Peninsular Range, Highway '71' [79/371], east of Temecula, 1.6 miles [E] of junction of state Hwy 79 Comment
  RSA228831  Linanthus californicus Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 591 Riverside Cleveland National Forest; 8.5 miles south of Lake Elsinore along Forest Route 6S08. Comment
  CLARK-A1528-3469  Linanthus dianthiflorus John C. Roos 1937-4-18 1371 Riverside Snow Creek Comment
  UC916688  Linanthus dianthiflorus Frank W. Gould 1944-4-4 2217 Riverside 10 mi se Temecula (on Highway 71) Comment
  UCR137698  Linanthus dianthiflorus D. L. Banks, V. W. Steinmann 1997-3-13 1512 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  POM364581  Linanthus dianthiflorus subsp. dianthiflorus Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
  UCR214286  Linanthus jonesii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37487 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR279327  Linanthus jonesii A. C. Sanders, Jim Malusa 2017-3-23 42915 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UCR23129  Linanthus lemmonii J. C. Lyman 1981-5-16 s.n. Riverside Peninsular Ranges/San Jacinto Mountains, May Valley Rd, Idyllwild 1768 Comment
  UCR68854  Linanthus nuttallii subsp. floribundus Steve Boyd, T. S. Ross 1990-5-11 4637 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  RSA678423  Linanthus parviflorus Michael Wall 2003-4-26 304 Riverside South of Diamond Valley, Northeast of Skinner Reservoir, Rawson Canyon. Off Rawson Road, 2.7 miles from jct. with Washington Ave. off Winchester Rd. 564 Comment
  UC52468  Linanthus parviflorus H. M. Hall 1898-4-14 Riverside Elsinore Mts. Comment
  SEINET14377214  Linanthus pungens H. M. Hall 1901-6 2130 Riverside San Jacinto Mountains 1524 Comment
  POM12935  Linanthus pungens subsp. hallii P. A. Munz 1922-6-27 5874 Riverside Toro Peak. 2287 Comment
  UCR128568  Linaria canadensis A. C. Sanders, Mitch Provance 2001-4-5 23918 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  RSA0018464  Lithophragma affine Scott D. White 1996-3-31 3859 Riverside Bundy Canyon, SE of Lake Elsinore. About 1 road mile (+/- 0.2 mi) E of Bundy Canyon Road exit from I-15 freeway. +/- 40 ft. S of road along mapped intermittent blueline stream. 450 Comment
  RSA0010988  Lithophragma affine Thekla Mohr 1920-05 s.n. Riverside Ivy Canyon, Temescal. Comment
  RSA170448  Lobelia cardinalis subsp. graminea J. D. Olmsted 1959-8-13 776 Riverside Fleming Ranch in May Valley; at head of big green meadow (spring fed). 3 miles SE of Idyllwild. 1616 Comment
  CSUSB1428  Lobularia maritima Annette Price 1962-3-31 012 Riverside Growing along road through Citrus Experiment Station, just past station at the curve in the road, UCR campus, Riverside. 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
  RSA357789  Loeflingia squarrosa R. F. Thorne, M. Z. Thorne 1973-3-30 42688 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs 488 Comment
  RSA0125293  Logfia filaginoides Duncan S. Bell 2016-3-3 8779 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  UCR90754  Logfia filaginoides Scott D. White 1995-4-5 2738 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA262067  Lolium perenne subsp. multiflorum E. W. Lathrop 1966-5-26 6342 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  SEINET251726 Image available Lolium rigidum Walter Graves 2002-5-15 502 -25 Riverside Riverside: grown at UCR in Agricultural Operations Fields (Riverside East 7.5' Q.:). 305 Comment
  RSA0105316  Lomatium lucidum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4039 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA0105317  Lomatium lucidum D. L. Banks 1997-2-23 1315 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  SEINET4310261 Image available Lomatium lucidum J. C. Roos 1965-1 Riverside Sky Line Drive, S. of Corona, Santa Ana Mts. Comment
  UCR68869  Lomatium lucidum Steve Boyd, T. Ross 1990-5-11 4693 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  UC1511321  Lomatium mohavense Robert F. Thorne, Avi Shmida, and Robert Whittaker 1978-4-23 52084 Riverside Pinyon Flats, along Hwy 74 Comment
  POM13767  Lomatium vaginatum P. A. Munz 1922-4-29 5094 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  POM9654  Lomatium vaginatum I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  LA204614  Lonicera subspicata W. Pequegnat; 1937-9-6 sn Riverside Santa Ana Mountains, Ortega Rd Comment
  POM17410  Lonicera subspicata var. denudata M. L. Kendall 1922-5-2 s.n. Riverside Santa Ana Canyon. Comment
  RSA674871  Lonicera subspicata var. denudata Scott D. White, T. B. Salvato 2001-6-8 8589 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR20545  Lonicera subspicata var. johnstonii W. W. Mayhew 1977-7-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  JEPS55418  Lotus argophyllus W. L. Jepson 1901-5-20 1331 Riverside Thomas Valley to Van Deventer Ranch Comment
  UCR51354  Lotus argophyllus S. J. Myers 1988-2-1 s.n. Riverside Boulder Springs development, immediately SE of intersection of Hwy 60 and Nason St., Moreno Valley 518 Comment
  RSA90073  Lotus argophyllus var. argophyllus F. W. Peirson 1921-3-22 4092 Riverside Andreas Canyon, Palm Springs region Comment
  RSA305622  Lotus crassifolius C. W. Tilforth, Walter Wisura 1979-8-8 1899 Riverside 9 mi. south of poppet flat turn-off along highway 243 south of banning, riverside county, ca. 1646 Comment
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Jun 26 2013
  UCR187492  Lotus crassifolius Theresa Johnson 2006-7-26 248 Riverside Peninsular Range; San Jacinto Mtns., Hwy 243 at Pine Cove 1890 Comment
  UC62925  Lotus grandiflorus H. M. Hall Jun 1901 2020 Riverside canyon of San Jacinto River San Jacinto Mountains 1219 Comment
  GMDRC2043  Lotus heermannii J. Andre 2006-4-26 6757 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
  RSA195479  Lotus heermannii C. R. Gunn 1963-5-29 2629 Riverside Riverside County road R1, 1/2 mile above Fulmore Lake, San Bernardino National Forest, San Jacinto Mountains. Comment
  RSA161279  Lotus nevadensis var. nevadensis P. H. Raven, R. Snow 1957-7-26 11113 Riverside San Jacinto Mountains: 2.0 miles S of Vista Grande Ranger Station, Banning-Idyllwild road. Comment
  UCR23899  Lotus nevadensis var. nevadensis John C. Roos 1937-8-18 2541 Riverside San Jacinto Mtns., Near Willow Creek 2439 Comment
  RSA161280  Lotus oblongifolius P. H. Raven, R. Snow 1957-7-26 11112 Riverside Along stream 2.0 mi. S of Vista Grande Ranger Station, Banning-Idyllwild road, San Jacinto mts. Comment
  RSA740242  Lotus oblongifolius Scott D. White, Justin M. Wood 2008-7-8 12371 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  UC864856  Lotus oblongifolius var. oblongifolius P. A. Munz 1922-6-23 5778 Riverside Garner Ranch San Jacinto Mts., Hemet Valley 1371 Comment
  UC15501  Lotus purshianus var. purshianus H. M. Hall 1901-6 2387 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  RSA406791  Lotus rigidus N. R. Zabriskie, Walter M. Zabriskie 1971-2-15 342 Riverside Andreas Canyon, east slope San Jacinto Mts. 427 Comment
  UCR142852  Lotus rigidus M. B. Dunkle 1935-3-31 4438 Riverside Sonoran (Colorado) Desert, Cottonwood Mtns., Cottonwood Springs [Canyon] '2300 ft. 915 Comment
  SEINET3559968 Image available Lotus scoparius subsp. brevialatus A. C. Sanders 2006-5-19 32433 Riverside Between Murrieta and Menifee Valley, west of I-215, South of Bundy Canyon/Scott Road, N of Clinton Kieth Rd. 518 Comment
  UCR213621  Lotus scoparius subsp. brevialatus A. C. Sanders, Matthew Malle 2010-4-23 37991 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR243167  Lotus scoparius var. brevialatus LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4330 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  CSUSB1251  Lotus strigosus unknown 1957-5-1 Riverside Pigeon Pass Comment
  RSA523481  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3941 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  UCR228877  Lotus strigosus A. C. Sanders 2011-4-6 38995 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR256766  Lotus strigosus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7882 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UCR282309  Lotus strigosus Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel, Jackie McConnaughy 2011-3-23 839 Riverside Sonoran (Colorado) Desert, Chocolate/Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine' 451 Comment
  RSA498756  Lotus tomentellus H. de Forest 1937-3-15 418 Riverside South of Rice. Comment
  RSA388393  Lotus unifoliolatus R. F. Thorne, S. D. Boyd, E. W. Lathrop 1985-7-18 61205 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
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Nov 13 2015
  RSA501009  Lotus wrangelianus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3128 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA709182  Lupinus A. C. Sanders, J. Goetzen 1996-5-1 18129 Riverside Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning. 830 Comment
  UC198106  Lupinus affinis B 1904-4-5 4189 Riverside Hemet Comment
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Jul 4 2010
  POM46812  Lupinus arizonicus Mary F. Spencer 1920-3-16 1494 Riverside Mecca -60 Comment
  RSA654057  Lupinus arizonicus R. Spellenberg, N. Zucker 2000-3-28 13048 Riverside E side of Thermal, ca. 1 km E of Calif. Hwy. 111, ca. 5 air km NW of Mecca 30 Comment
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Feb 3 2011
  UCR138567  Lupinus arizonicus Steve Boyd, Orlando Mistretta 1986-3-13 1463 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR75059  Lupinus arizonicus A. C. Sanders, E. J. Lawlor 1992-4-4 12124 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA494352  Lupinus bicolor Bill Wagner 1988-4-5 s.n. Riverside Approx. 1.5 miles NW of the community of Murrieta. South side of I-15 Fwy at the junction of Nutmeg Rd. 381 Comment
  RSA651072  Lupinus bicolor Margaret Murphy 1983-4-15 0012 -A Riverside located in the north section of [parcel] 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  SBBG89044  Lupinus bicolor P. Pitzer, K. Kirtland 1986-5-6 201 Riverside Butterfield Stage Ranch development, N side of Pauba Valley, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd 457 Comment
  RSA550025  Lupinus bicolor subsp. microphyllus Walter Wisura 1992-4-10 4672 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  UCR214717  Lupinus concinnus A. C. Sanders 2010-3-23 37537 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCSB3264  Lupinus concinnus Keator, Glenn 1959-5-17 Riverside On Pines to Palms highway; about 10 miles south of Idyllwild Comment
  RSA658919  Lupinus concinnus subsp. optatus Bob Rogers 1984-4-28 22 Riverside North-facing slope adjacent to and on the South side of Hwy 74, 3.6 miles from Strawberry Creek going towards Mountain Center. 1220 Comment
  RSA741199  Lupinus concinnus subsp. optatus Scott D. White, Justin M. Wood 2008-5-15 11967 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  RSA49180  Lupinus concinnus subsp. orcuttii Philip A. Munz 1949-4-13 13054 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  LA205081  Lupinus excubitus W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  CAS-BOT-BC205387  Lupinus excubitus var. austromontanus Philip A. Munz 1937-5-30 15140 Riverside Santa Rosa Peak 2407 Comment
  RSA164794  Lupinus excubitus var. hallii Wesley O. Griesel 1963-5-4 771 Riverside Road between Beaumont and Oak Glen. 1067 Comment
  SEINET10937096  Lupinus formosus David B. Dunn 1947-10-9 Dunn 3534 Riverside Collected near the dry wash or shallow area about half way from the hwy to 29 Palms to hidden valley. Comment
  RSA524233  Lupinus hirsutissimus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4027 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR108399  Lupinus hirsutissimus D. L. Banks, V. W. Steinmann 1997-3-13 1459 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR35024  Lupinus hirsutissimus L. B. Ziegler 1967-4-18 113 Riverside Peninsular Ranges, Foothills of the San Jacinto Mtns, on Poppet Flat Rd 915 Comment
  UCR93023  Lupinus hirsutissimus G. P. Schultz 1994-4-7 63 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  POM11280  Lupinus latifolius subsp. parishii Philip A. Munz 1922-7-7 6057 Riverside North Fork of Tahquiz Creek 2195 Comment
  RSA714379  Lupinus microcarpus John Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns.: Santa Rosa Plateau, hills on the south side of Teaja Rd., between Squaw Mtn. and De Luz Creek. 655 Comment
  UCR102897  Lupinus microcarpus var. densiflorus A. C. Sanders 1997-4-3 20177 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  UCR137096  Lupinus microcarpus var. densiflorus June Latting 1958-4-13 s.n. Riverside San Gorgonio Pass, White Water 415 Comment
  CLARK-A1045-93  Lupinus sparsiflorus George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains steep slope; Lake Fulmor 7.5'Q Comment
  RSA501045  Lupinus sparsiflorus Steve D. Boyd 1989-4-1 3166 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UC1178511  Lupinus sparsiflorus Peter Kamb 1948-4-11 904 Riverside Whitewater wash near Whitewater (Coachella Valley); Coachella Valley 457 Comment
  UC1929905  Lupinus sparsiflorus Scott D. White 2004-4-26 10242 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  UCR85181  Lupinus sparsiflorus A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16165 Riverside Coachella Valley/San Jacinto Mtns foothills, Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 mi above Hwy 111 (Palm Canyon Dr.) 612 Comment
  UCSB3404  Lupinus sparsiflorus Gunnerson, Robert 1953-3-22 Riverside 9 miles east of Indio Comment
  SEINET10488983  Lupinus sparsiflorus Robert F. Thorne 1978-4-23 Thorne 52056 Riverside Palm to pines hwy, above palm desert. Annual. Comment
  RSA414273  Lupinus sparsiflorus subsp. sparsiflorus N. C. Cooper 1944-4-8 1083 Riverside Andreas Canyon. 305 Comment
  UCR156095  Lupinus truncatus T. B. Salvato, Kent Beaman 2005-5-16 811 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
  UCR96708  Lupinus truncatus A. C. Sanders 1997-3-1 19717 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  POM14117  Luzula comosa Phillip A. Munz 1922-7-6 6000 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UC843081  Luzula comosa var. laxa P. A. Munz 1922-5-19 5396 Riverside Southern California, Keen Camp San Jacinto Mts. 1463 Comment
  GMDRC9807  Lycium andersonii J. M. Andre 2017-3-1 38028 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  NY138725  Lycium andersonii S. B. Parish 1896-4-4 4132 Riverside Palm Springs, (Agua Caliente) desert base of San Jacinto Mt. 152.4 Comment
  RSA342007  Lycium andersonii Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54109 Riverside San Bernardino Mountains: Mesquite thicket along Whitewater Canyon road. Comment
  UC218058  Lycium andersonii P. A. Munz and D. Keck Apr 9 1912-Apr 12 1912 4849 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
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Apr 5 2011
  UCR251577  Lycium andersonii Jim Andre 2013-3-27 24842 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
  UC667319  Lycium cooperi Annie M. Alexander and Louise Kellogg 1941-5-23 2226 Riverside near Cottonwood Spring; Colorado Desert, Eagle Mountains 883 Comment
  CAS-BOT-BC231641  Lycium fremontii John Thomas Howell 1928-3-24 3530 Riverside Painted Canon [Canyon], Colorado Desert Comment
  RSA736732  Lythrum californicum Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10687 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UCR43480  Lythrum californicum R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61277 Riverside Sandia Canyon, De Luz-Murrieta Road: Along small stream 262 Comment
  SEINET5343084  Lythrum californicum J. Crutchfield 1965-6-16 213 Riverside Lost Lake Resort, 14 mi S of Vidal Comment
  UCR101571  Machaeranthera tortifolia Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR147844  Machaeranthera tortifolia Steve Boyd, Et al. 2004-5-14 11275 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, 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 Chocolate Mountains Aerial Gunnery Range 570 Comment
  SD137862  Madia exigua Darin L. Banks, Steve Boyd 1995-5-9 392 Riverside Cleveland National Forest, Agua Tibia W Area, North face Agua TibiaMountain,Dorland Mountain area, west Dripping Springs Alcove,WoodchuckCamp 700 Comment
  POM50096  Malacothamnus fasciculatus E. C. Jaeger 1925-5-18 s.n. Riverside Perris. Comment
  SDSU7520  Malacothamnus fasciculatus H. Wedberg 1962-5-23 949 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  SEINET4083442  Malacothamnus fasciculatus O. M. Clark 1932-1 5106 Riverside South Hemet. Comment
  UCR21157  Malacothamnus fasciculatus 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
  UC303548  Malacothamnus fasciculatus var. fasciculatus I. M. Johnston 1918-5-30 2024 Riverside Temescal Canyon 335 Comment
  UC33272  Malacothrix californica H. M. Hall June, 1901 2182 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  UC1979538  Malacothrix clevelandii Darin L. Banks, Peter Morrell 1995-5-4 310 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. Comment
  POM362320  Malacothrix glabrata Ora M. Clark 1929-2-22 156 Riverside W of Whitewater, Colorado Desert. Comment
  SD28020  Malacothrix glabrata Carl B. Wolf 1932-4-27 3028 Riverside Colorado Desert, 3/4 mile west of Utopia on Mecca-Blyth Road 149 Comment
  UCR138581  Malacothrix glabrata Steve Boyd, Orlando Mistretta 1986-3-13 1433 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  UCR41399  Malacothrix glabrata N. M. Fellows, A. C. Sanders 1985-5-7 165 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA588177  Malacothrix saxatilis var. tenuifolia D. L. Banks, Victor W. Steinmann 1995-7-10 0743 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. 560 Comment
  RSA0121047  Malacothrix stebbinsii Duncan S. Bell, LeRoy Gross 2016-3-29 9120 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
  UCR209338  Malus Fred M. Roberts, Robt. L. Allen 2008-6-23 7053 Riverside Santa Ana Mountains, Santiago Peak, north slope, Main Divide Truck Trail, 0.4 km north-northeast of summit 1639 Comment
  CLARK-A1528-616  Malva parviflora C. M. Flanagan 1971-5-16 Riverside Riverside Comment
  SEINET3449034  Malva sylvestris Unknown 2001-4-29 33518 Riverside Calimesa, Calimesa, south side of route interstate 10 right of way, 0.2 miles west of Desert lawn Road exit, small drainage culvert at San Timoteo Wash 700 Comment
  UCR35137  Marah macrocarpa L. B. Ziegler 1972-2-7 435 Riverside in the foothills of the San Jacinto Valley 579 Comment
  UCR50586  Marah macrocarpa B. G. Pitzer 1988-2-28 0617 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  RSA495419  Marah macrocarpa Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2894 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  UCR92234  Marah macrocarpa var. macrocarpa D. L. Banks, Steve Boyd 1995-3-30 0131 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
  UC1368530  Marina parryi W. L. Jepson 1912-10-29 5248 Riverside Blythe Intake, at Black Point, Palo Verde Valley, on edge of Riverside Mts. Riverside Mts., Palo Verde Valley 88 Comment
  UCR102745  Marina parryi B. G. Pitzer 1998-2-1 3444 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR72224  Marina parryi Theo Glenn 1991-5-30 91- 118 Riverside Sonoran (Colorado) Desert, Mule Mtns, 0.2 mi. east of the Opal Hill Mine, just north of the Imperial County line and west of Palo Verde 200 Comment
  SBBG99460  Marrubium vulgare W. L. Halvorson 1977-1-15 77 -24 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCR69663  Marsilea vestita A. C. Sanders, C. McGaugh 1991-7-19 11145 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
  POM348040  Medicago polymorpha Ora M. Clark 1929-3-2 1633 Riverside Near Elsinore. Comment
  CAS-BOT-BC271198  Melica A. C. Sanders; T. B. Salvato; Matthew Malle 2010-4-7 37800 Riverside Southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of interesection of I-15 and Lake St., Peninsular Range 525 Comment
  RSA526493  Melica frutescens Steve Boyd, Timothy S. Ross 1990-5-11 4689 A 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
  UC205737  Melica frutescens I. M. Johnston 1918-4-27 1863 Riverside Temescal Canyon 365 Comment
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1
  SEINET9328101  Melica frutescens Unknown 1929-5-15 5338 Riverside Riverside Comment
  RSA27236  Melica imperfecta C. L. Hitchcock 1940-4-12 6042 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA403495  Melica imperfecta Ora M. Clark 1929-3-16 1700 Riverside San Jacinto Mountains Comment
  UCR128559  Melica imperfecta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23905 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  SEINET7048165  Melica imperfecta Steven R. Hill 2001-5-3 33668 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
  JOTR16750  Menodora scoparia Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECT, 1/2 MILE WEST OF SPLIT ROCK 1341 Comment
  UCR143385  Mentha aquatica Joseph A. Ewan 1931-10-3 5212 Riverside Santa Ana River, 4 miles NW of Corona 162 Comment
  UCR279332  Mentzelia A. C. Sanders, Jim Malusa 2017-3-23 42913 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UC1595626  Mentzelia affinis Steve Boyd and Dave Bramlet 1991-5-13 6257 Riverside ESE. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Rd. Winchester; Domenigoni Hills, N Side of Domenigoni-Diamond Valleys 548 Comment
  JOTR33728  Mentzelia albicaulis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2729 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy, braided ephemeral wash flowing northeast (Stop 2) Comment
  CHSC99049  Mentzelia involucrata LeRoy Gross 2005-3-3 1574 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. 68 Comment
  JOTR34006  Mentzelia involucrata La Doux, Tasha, M. Harding 2010-4-7 2894 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
  RSA776821  Mentzelia involucrata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1094 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  SBBG29592  Mentzelia involucrata R. J. Young 1968-4-20 189 Riverside ca. 4 mi S of Cottonwood Jct, Joshua Tree Nat Monument Comment
  UC872488  Mentzelia involucrata I. W. Clokey 1935-4-17 6762 Riverside Cottonwood Springs Comment
  SD3162  Mentzelia laevicaulis Frank Stephens 1920-1 Riverside In the badlands hills, 3.0 miles east of Moreno. Comment
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Nov 19 2011
  RSA446890  Mentzelia veatchiana Robert L. Rutherford 1945-5-24 1660 Riverside Big Oaks Canyon, Banning 1220 Comment
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Oct 30 2011
  RSA387358  Mesembryanthemum nodiflorum Steve Boyd 1986-4-19 1713 Riverside Warm Springs Valley, Alberhill Creek E of Nichols Road. Comment
  RSA586507  Micropus californicus var. californicus D. L. Banks, S. D. Boyd 1995-5-9 0338 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  SEINET273065  Microseris douglasii A. C. Sanders 1997-3-26 20131 Riverside Lake Skinner area: N edge of large clay patch adjacent to the Skinner entrance road ca. 1-2 km NE of Borel Rd. 1550 Comment
  UCR217544  Microseris douglasii subsp. platycarpha Diane Menuz 2008-3-24 374 Riverside Perris-Hemet Basin, East of Briggs Rd,. c. 1 km south of Scott Rd. 432 Comment
  SBBG47459  Mimetanthe pilosa N. C. Cooper 1944-6-16 1433 Riverside Pine Cove 1524 Comment
  JEPS87317  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-15 1063 Riverside vicinity Aguanga (1.0 mi nw of San Diego Co. line along Hwy 79) 680 Comment
  POM8582  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 8582 Riverside Butte west of Lakeview. 610 Comment
  HSC20777  Mimulus aurantiacus var. puniceus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23105 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  HSC35462  Mimulus aurantiacus var. puniceus J. D. Ackerman, A. M. Montalvo 1975-6-26 524 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, above SanJuan Campground, Cleveland National Forest 610 Comment
  SDSU13593  Mimulus aurantiacus var. puniceus W. Miller, C. Mosse 1972-7-12 Riverside R.R. bed 50 yards west of erosion area. Comment
  UCR139614  Mimulus aurantiacus var. puniceus A. C. Sanders 2004-7-1 28383 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  UCR21164  Mimulus aurantiacus var. puniceus 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
  UCR216401  Mimulus aurantiacus var. puniceus Mike Bell 2008-3-30 029 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  RSA510032  Mimulus aurantiacus var. puniceus B. Pitzer, E. Misqez 1988-2-28 632 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  UCR19077  Mimulus bigelovii var. bigelovii John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  RSA5557  Mimulus bigelovii var. bigelovii B. D. Stark 1932-6-17 3746 Riverside Canyon above Cottonwood Springs, Eagle Mts., Colorado Desert 305 Comment
  UCR133661  Mimulus brevipes Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  CAS-BOT-BC9454  Mimulus diffusus Frank Warrington Peirson 1922-4-30 2934 Riverside Hills south of Tuscalota Creek, Aguanga to Hemet Road Comment
  POM8488  Mimulus diffusus Mary F. Spencer 1921-4-8 362 Riverside Tahquitz trail near Idywilld, San Jacinto Mountains 1829 Comment
  RSA50325  Mimulus diffusus E. K. Balls 1949-5-4 13488 Riverside 6 miles from boundry of National forest, on Baning-Idylwild road. 1372 Comment
  RSA801729  Mimulus diffusus LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6181 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  UCR280945  Mimulus fremontii Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 71 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  CSUSB888  Mimulus guttatus Rex Sanders 1973-5-13 Riverside Santa Ana Mountains Collected at 2nd creek crossing Los Pinos forestry camp road 0.7 miles from Highway 74 turnoff; Cleveland National Forest, Santa Ana Mountains; 1 meter from stream, 20 meters from road. 609 Comment
  RSA442776  Mimulus guttatus E. Crow 1929-4-21 331 Riverside N. of Alberhill Comment
  RSA701359  Mimulus guttatus Steve Boyd, Aydee Virgen 2004-4-13 10872 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA770877  Mimulus guttatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4600 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SBBG66633  Mimulus guttatus M. Lewis 1947-8-26 24 Riverside Dark Cyn 1981 Comment
  UC56261  Mimulus parishii F. Gilman 1902-1 18 Riverside Palm Springs Comment
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Jul 6 2010
  RSA296130  Mimulus pilosus Barry A. Prigge 1980-8-5 3849 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UCR72435  Mimulus pilosus Steve Morgan, H. M. Soldan 1992-5-25 92 3 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  UCR133974  Mirabilis californica Mitch Provance, J. S. Ross 1998-3-27 MOR- 967 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  CAS-BOT-BC434820  Mirabilis laevis var. retrorsa Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs Comment
  CAS-BOT-BC384084  Mirabilis laevis var. villosa Winfield 1975-4-27 2366 Riverside Snow Creek Rd abt 3 miles from Hiway 111 Comment
  RSA651092  Mirabilis multiflora var. pubescens Harold Lint 1958-5-25 2028 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  POM13891  Mohavea confertiflora Philip A. Munz, D. D. Keck 1922-4-9 4825 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA0024813  Mohavea confertiflora Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4463 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  RSA408757  Mohavea confertiflora E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Ca - on on Blythe Road. Comment
  RSA408768  Mohavea confertiflora L. H. Jones 1910-3-17 s.n. Riverside Not plantiful, on gravelly banks and small washes at edge of mesas, Riverside Mountain, Colorado River. Comment
  RSA450530  Mohavea confertiflora Barry A. Prigge 1988-2-21 7846 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  UCR148310  Mohavea confertiflora John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR22484  Mohavea confertiflora C. S. Jones 1979-3-27 48 Riverside Sonoran (Colorado) Desert, in SE facing canyon about 300 yards from unnamed dirt road approximately 5 mi. north of I-10, 4 mi. west of Desert Center 427 Comment
  SD136813  Monardella breweri subsp. lanceolata Steve Boyd, Tim Ross 1992-6-10 7634 Riverside San Mateo Canyon Wilderness Area; San Mateo Canyon Poterro Escondido. 671 Comment
  UCSB26224  Monardella breweri subsp. lanceolata Gliessman, Stephen 1968-7-18 Riverside Along Saunders Road, 0.5 mile north of junction with Idyllwild Road, San Jacinto Mountains 1600 Comment
  POM247469  Monardella linoides subsp. linoides P. A. Munz 1941-10 17238 Riverside On Palms to Pines HIghway, north base of Santa Rosa Mts. Comment
  RSA741177  Monardella linoides subsp. linoides Scott D. White, Justin M. Wood 2008-6-17 12179 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UC1499871  Monardella nana Elizabeth McClintock 1940-7-21 25 Riverside One-half mile from canyon and stream, on Santa Rosa Mt. road Comment
  RSA0139146  Monardella nana Sarah J. De Groot, Robert K. Lauri 2005-7-7 5115 Riverside San Jacinto Mountains: Along 4S02 between Highway 243 and Dark Canyon Campground; fairly near campground. 1646 Comment
  IRVC2059  Monardella nana subsp. arida R. H. Whittaker, W. A. Niering 1963-6-9 SJ 353 Riverside Santa Rosa Mountain Road Peninsular Ranges, Santa Rosa Mountains 1875 Comment
  POM307236  Monardella nana subsp. arida Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2112 Riverside Santa Rosa Mountains. Comment
  UCR114631  Monardella nana subsp. arida G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  RSA750281  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-9 87 Riverside San Jacinto Mts. Trail to Suicide Rock, about 3 miles from Fern Valley. Comment
  RSA750392  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-5-31 50 Riverside About 5 miles from the Anza Monument turn off. Comment
  SEINET10961482  Monardella nana subsp. tenuiflora A. Graff 1993-6-24 Graff 46 Riverside San Bernadino National Forest, San Jacinto Mtns. 1.45 miles in on Black Mtn. Rd. (USNFS Rd. 4S01) from Hwy. 243, on both sides of the road, though most extensively on the right. Before intersection of 4S01 and 4S02. T4S,R2E,S23. Locally abundant in semi-shade, with Quercus kelloggi, Q. chrysolepis, Picea sp., Pinus coulteri, P. ponderosa, Arctostaphylos pringlei, Eriogonum confertiflorum, Lupinus sp., Lotus scoparius. Need USNFS permission to collect. Comment
  CAS-BOT-BC220381  Monardella pringlei Ethel H. Campbell 1921-5-1 s.n. Riverside Between Riverside and Ontario 300 Comment
  CLARK-A1045-223  Monoptilon bellioides George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; bottom of wash; Lost Horse Mtn. 15'Q Comment
  JEPS31426  Monoptilon bellioides W. L. Jepson 1928-4-25 12608 Riverside below Cottonwood Springs; Eagle Mts. 731 Comment
  RSA32426  Monoptilon bellioides N. C. Cooper 1944-3-25 1035 Riverside Morongo Pass. 457 Comment
  RSA703481  Monoptilon bellioides LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1424 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA717618  Monoptilon bellioides Scott D. White, Andrea Warniment Edwards 2006-3-22 11270 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  UC217924  Monoptilon bellioides P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4866 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 457 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
  UCR31295  Montia fontana A. C. Sanders, Theo Glenn 1983-4-17 3727 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  RSA129316  Muhlenbergia asperifolia H. S. Yates 1936-6-28 6370 Riverside 3 miles NW of San Jacinto 457 Comment
  RSA191455  Muhlenbergia asperifolia E. W. Lathrop, Robert F. Thorne 1967-9-26 6621 Riverside 6 miles NW of Murrieta., 1 mi W of Santa Rosa Ranch. Comment
  CAS-BOT-BC275253  Muhlenbergia microsperma Steve Boyd; et al. 1990-4-3 4101 Riverside Vail Lake Area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain, just S of the E summit 701 Comment
  CAS-BOT-BC502083  Muhlenbergia microsperma A. C. Sanders; Jim Malusa 2015-3-11 41398 Riverside Sonoran (Colorado) Desert: Chocolate Mtns, Gasline Rd at jct with road to Observtion Point Slats, US Navy Chocolate Mtns Aerial Gunnery Range 723 Comment
  RSA87356  Muhlenbergia microsperma F. W. Peirson 1921-3-22 4323 Riverside Andreas Canyon, Palm Springs region Comment
  SEINET255560 Image available Muhlenbergia microsperma Mitch Provance 2004-5-1 7604 Riverside Granitic Knolls of Riverside, W side of Versity Hill (Coyote Hill), S side of the UCR campus 396 Comment
  UCR120930  Muhlenbergia microsperma A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24927 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR168444  Muhlenbergia microsperma P. A. Munz, R. D. Harwood 1920-2-28 3238 Riverside Santa Ana Mtns. region, 2 miles SE of Corona 305 Comment
  RSA129668  Muhlenbergia rigens H. S. Yates 1936-8-29 6381 Riverside Near Pine Flats 1829 Comment
  UC38274  Muhlenbergia rigens H. M. Hall Jun 1 1901-Jul 1 1901 2427 Riverside Tauquitz Valley San Jacinto Mountains 1889 Comment
  UCD87089  Muhlenbergia rigens William M Klein 1960-8-22 1584 Riverside North of Idyllwild along the trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mts. Comment
  UCR125760  Muhlenbergia rigens A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25658 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 Comment
  UCR35286  Muilla maritima L. B. Ziegler 1967-7-4 175 Riverside San Jacinto Mtns, S slope of Thomas Mountain 1555 Comment
  UC854358  Myosurus minimus subsp. apus P. A. Munz, I. M. Johnston 1922-5-19 5379 Riverside Menifee Valley 411 Comment
  SD81333  Myriopteris cooperae Samuel B. Paris Unknown Riverside San Jacinto Comment
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Dec 5 2013
  CHSC23898  Nama demissa T. M. Lane 1975-3-24 5 Riverside In a wash, 1 mi n or US Interstate 10 at s entrance of Joshua Tree National Monument on Pinto Basin Rd. 533 Comment
  RSA421114  Nama demissa Ora M. Clark 1929-2-23 1559 Riverside N. Whitewater. Comment
  RSA421116  Nama demissa Robert L. Dressler 1949-3-19 365 Riverside Box Canyon, Orocopia Mts. 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
  JEPS462  Nassella cernua E. Bartholomew Riverside Riverside Comment
  UCD87909  Nassella cernua Fred M. Reed 1906-3-17 927 Riverside Riverside. Tequesquito Arroyo at end of Chicago Ave. Comment
  RSA192230  Nassella lepida E. W. Lathrop 1960-4-28 4782 Riverside 14 miles west of Murrieta Comment
  RSA679014  Navarretia atractyloides Michael Wall, Sean Wall 2003-5-24 329 Riverside NE of Skinner Reservoir, Rawson Canyon, Rawson Rd. 2.7 miles from jct. with Washington Ave. 564 Comment
  UCR274539  Navarretia atractyloides Mitch Provance, Ken Halama 2003-6-15 17057 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA593894  Navarretia fossalis R. E. Riefner 1995-11-29 95 -406 Riverside Davis Rd. San Jacinto Wildlife Sanctuary, 0.4 miles S of Old San Jacinto River. Comment
  RSA623559  Navarretia fossalis R. E. Riefner 1998-10-15 98 -521 Riverside Paloma Valley Comment
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Oct 29 2010
  RSA627853  Navarretia hamata A. C. Sanders 1994-5-30 14591 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  CLARK-A1528-709  Navarretia intertexta Ruth Cooper 1941-6-8 71 K Riverside Comment
  SBBG54315  Navarretia intertexta C. Davidson 1977-5-25 5651 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UCR206020  Navarretia prostrata Diane Menuz 2009-5-14 495 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  UC178672  Nemacaulis denudata var. gracilis Marcus E. Jones, A. M. 1903-5-11 Riverside Whitewater 304 Comment
  UC849823  Nemacaulis denudata var. gracilis Alice Eastwood 1913-4-30 2972 Riverside Palm Springs Comment
  UCR254627  Nemacaulis denudata var. gracilis Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24394 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  JEPS5412  Nemacladus longiflorus var. longiflorus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1555 A Riverside Temecula River; sw Riverside County Comment
  RSA0126343  Nemacladus longiflorus var. longiflorus P. A. Munz 1922-4-28 5024 Riverside Temescal Canyon. Comment
  SEINET1869528  Nemacladus longiflorus var. longiflorus Steve Boyd 1986-1 1753 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of Interstate 15. Comment
  UCR87937  Nemacladus longiflorus var. longiflorus A. C. Sanders, N. Ferguson 1994-6-2 14627 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  UCR30095  Nemacladus orientalis George K. Helmkamp 1983-4-5 483- 44 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR71844  Nemacladus orientalis George K. Helmkamp 1992-4-16 92- 06 Riverside Western Colorado Desert, Coachella Valley, Mission Creek, 0.4 mi. south of Indian Avenue, on old Hwy 62 500 Comment
  SEINET10461023  Nemacladus pinnatifidus Piehl 1963-6-2 PIEHL 63547 Riverside Along California Highway 74, 1.2 miles west of Mountain Center 1341 Comment
  UC1595624  Nemacladus ramosissimus Steve Boyd 1991-5-20 6260 Riverside s flank Alberhill Mtn. (w end adjacent to old clay mine area); Temescal Canyon 426 Comment
  UCR181098  Nemacladus ramosissimus A. C. Sanders 1998-6-10 21980 Riverside San Jacinto Mtns., FS road 6S13 toward Thomas Mtn., 1.3 mi. above Hwy 74 in Garner Valley at a point 3.1 mi. east of Keen Camp Summit, c. 1 mile due south of Lake Hemet 1463 Comment
  SEINET10906123  Nemacladus rubescens Philip A. Munz 1926-1-31 Munz 9979 Riverside Dos Palmos Spring Comment
  UCR208850  Nemacladus rubescens var. tenuis Scott D. White 2001-4-3 8251 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
  UCR127498  Nemacladus tenuis var. tenuis A. C. Sanders, G. Nuhn 1995-4-20 16586 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
  CLARK-A1528-548  Nemophila menziesii 1937-6-17 Riverside Box Springs Mountains 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
  UCR172809  Nemophila menziesii Abby Sirulnik 2000-4-13 10 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  UC1929949  Nicotiana attenuata Scott D. White, Justin Wood 2008-6-16 12140 Riverside San Jacinto Mountains: Meadow at Quinn Flat. Idyllwild, Palm View Peak 7.5' Quad. Comment
  GMDRC9811  Nicotiana obtusifolia J. M. Andre 2017-3-1 38037 Riverside Chuckwalla Mountains: along powerline road 1.2 mi. SW of Interstate 10 at Eagle Mtn Rd exit 387 Comment
  SBBG6606  Nicotiana obtusifolia H. and M. Dearing 1942-3-12 4832 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  UC1922494  Nicotiana obtusifolia Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10890 Riverside Sonoran Desert: Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. Comment
  UCR256324  Nicotiana obtusifolia Duncan S. Bell 2012-3-18 3175 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Canyon, c. 1.5 air miles southwest of Hidden Spring 129 Comment
  SEINET3078208 Image available Nicotiana trigonophylla John Adams 1965-5-9 210 Riverside NE side of San Jacinto Mountains, Palms Springs area, 1 mi below tramway. 366 Comment
  CAS-BOT-BC131887  Nolina parryi C. B. Wolf 1931-5-11 1949 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  SEINET5641185 Image available Nolina parryi Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28524 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  UC527226  Nolina parryi C. B. Wolf 1931-5-11 1949 Riverside rocky ridges near Pipe Creek (above Hemet Valley); San Jacinto Mts 1676 Comment
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Mar 24 2011
  RSA0048402  Nolina parryi subsp. wolfii James R. Shevock 1971-5-8 s.n. Riverside Near Salton View, Joshua Tree National Monument. 1584 Comment
  JEPS19053  Notholaena californica subsp. californica Marjorie D. Clary 1932-3-20 Riverside Mission Creek, NW of Garnet 609 Comment
  CAS-BOT-BC171482  Oenothera californica Jenkins; Street 1955-5-30 1955 Riverside San Jacinto Comment
  RSA0119576  Oenothera californica John F. Green 2015-6-23 615 -01 Riverside Peninsular Range: San Jacinto Mnts. Region: Anza Valley, east edge of town of Anza, vacant lot at NE side of intersection of Hwy 371 and west end of Burnt Valley Rd. 1226 Comment
  RSA192049  Oenothera californica subsp. californica E. W. Lathrop 1960-5-7 5243 Riverside Murrieta. Comment
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Mar 14 2014
  SEINET5345713  Oenothera deltoides var. deltoides H. M. Hall 1904-5-20 4952 Riverside Viciniity of Riverside, along S.P.R.R. 262 Comment
  RSA600664  Oenothera elata subsp. hirsutissima Louis C. Wheeler 1949-8-24 6752 -b Riverside Riverside. Comment
  CLARK-A1045-127  Oenothera micrantha var. exfoliata George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  UCR112586  Olea europaea Mitch Provance, Seychelle Provance 1998-2-17 89 Riverside Jurupa Mountains, Jensen Quarry; Sunnyside area on W side of Sierra Blvd, c. 0.2 miles NW of the corner of Scenic Dr. and 34th St. 348 Comment
  UCR110451  Oligomeris linifolia D. E. Bramlet, D. Bradney 1990-6-21 2043 Riverside Peninsular Range, Vail Lake peninsula, a portion of the ridgeline between Kolb and Temecula Creeks. The site is approximately 805m northwest of the marina and on the northeast edge of the peninsula. 476 Comment
  UC165053  Olneya tesota S. B. Parish 1912-6-28 8123 Riverside Mecca; Salton Basin Comment
  UC61577  Olneya tesota Miss Mary McKibben 1904-1 Riverside e of Mecca; Colorado Desert 457 Comment
  UCR1033  Olneya tesota Frank Ambrey 1959-4-24 s.n. Riverside Sonoran (Colorado) Desert, CA Hwy 195, 17.7 mi east of Mecca, at east end of Box Canyon, east side of road 305 Comment
  UCSB26259  Olneya tesota Haller, John 1960-4-2 Riverside North side of U.S. Highway 60-70, 3.1 miles east of Desert Center 243 Comment
  UCR103913  Oncosiphon piluliferum B. G. Pitzer 1997-4-11 3121 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
  UCR57110  Oncosiphon piluliferum Diane Concannon 1989-5-9 s.n. Riverside S side of Lake Perris (Perris 14), opposite Allesandro Island, north of bike path 488 Comment
  CAS-BOT-BC58055  Opuntia basilaris var. basilaris D. A. Johansen; J. A. Ewan 1932-4-10 7061 Riverside Field redacted by CAS, contact the data manager for more information Comment
  JEPS74752  Orcuttia californica N. Hogg 1973-9-15 Riverside 4 mi w Murrietta (cattle tanks in ne portion of mesa); Mesa de Burro Comment
  NY9648  Orcuttia californica C. W. Thorne 1975-8-29 47312 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
  UCR113635  Orcuttia californica June Latting 1978-6-4 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, Mesa de Burro, pond near rocks 610 Comment
  UCR132658  Orobanche fasciculata L. F. LaPre 2001-5-13 s.n. Riverside San Jacinto Mtns., Bautista Canyon, section 1 1280 Comment
  RSA0010923  Orthocarpus densiflorus var. gracilis Marion P. Harthill 1976-5-5 s.n. Riverside Cleveland National Forest. 2000' ele. 610 Comment
  RSA522708  Oxalis albicans subsp. californica Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3894 -B 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
  UCR23214  Oxalis corniculata P. Tomlinson 1981-4-30 0008 Riverside University of California, Riverside campus; west of the perimeter road c. 10 ft. off the road between Parking Lot 8 and Greenhouses 1-5. Comment
  SD193238  Ozothamnus diosmifolius Scott D. White, Justin Wood 2007-4-16 11650 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 334 Comment
  RSA650116  Paeonia californica Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
  CAS-BOT-BC327930  Palafoxia arida Ira L. Wiggins; Dorothy B. Wiggins 1966-2-22 20460 Riverside Along Hwy 60, 1.5 mi SE of Garnet Hill. Comment
  CAS-BOT-BC327942  Palafoxia arida D. B. Dunn; H. Brown 1947-1-12 2840 Riverside Pushawalla Canyon, Indio Hills Comment
  SFV9414  Palafoxia arida M. L. Vincent, R. H. Swade 1963-10-19 453 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. This intersection is about 0.5 miles southeast of the intersection between Highway 111 and Interstate Highway 10. 366 Comment
  UC665749  Palafoxia arida var. arida Ira L. Wiggins 1941-3-24 9573 Riverside slopes along eastern side of sea 2.7 mi s Mortmar; Salton Sea Comment
  SEINET11810387  Palafoxia linearis J. F. Bright, Wyman, C. 1933-1 8068 Riverside near Palm Springs Comment
  RSA535743  Panicum capillare Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6649 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  CAS-BOT-BC350983  Panicum hirticaule Duncan S. Bell; John Anderson; Kim Clark; Debbie George; Jim George; A. F. Howland 2013-9-28 6018 Riverside Chuckwalla Valley; approx. 22.25 air miles W of Blythe, S side of Ford Dry Lake, about 0.5 air mile SE of Hopkins Well 107 Comment
  UCR126369  Parietaria hespera var. californica A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 677 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR20760  Parietaria hespera var. californica A. C. Sanders, Steve Boyd 1980-5-2 1440 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  JOTR30675  Parietaria hespera var. hespera La Doux, Tasha, Jim Andre 2008-3-21 139 Riverside Joshua Tree National Park. Upper Cottonwood Cyn, approximately 2 mi. S. of Cottonwood Visitor's Center 880 Comment
  RSA716382  Parietaria hespera var. hespera Scott D. White 2006-4-27 11303 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  RSA796751  Parietaria hespera var. hespera Jim Andre 2012-4-11 20838 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
  UCR101838  Parietaria hespera var. hespera B. G. Pitzer 1997-4-1 3062 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  LA31743  Parkinsonia florida Mary V. Hood; 1941-11-20 41- 180 k* Riverside S of Indio. near Imperial County line. Sea Level Comment
  CLARK-A1528-4791  Paspalum dilatatum John C. Roos 1951-9-25 5262 Riverside Riverside 259 Comment
  POM192451  Pectis papposa Marcus E. Jones 1929-9-16 s.n. Riverside East of Desert Center. Comment
  UCR281922  Pectis papposa A. C. Sanders, Jim Malusa 2017-9-21 43349 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  RSA777852  Pectocarya heterocarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 842 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
  RSA691961  Pectocarya linearis Scott D. White, Michael Honer 2003-4-9 8990 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  UCR174944  Pectocarya linearis Jennifer H. Jones, Toby Bartels 2006-4-23 280 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  UCR25941  Pectocarya linearis John C. Roos 1952-2-29 5371 Riverside Reche Canyon 457 Comment
  RSA752561  Pectocarya linearis subsp. ferocula Justin M. Wood 2009-3-3 327 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 Comment
  SDSU18357  Pectocarya linearis subsp. ferocula C. Matt Guilliams 2008-2-21 474 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  RSA0039459  Pectocarya penicillata A. C. Sanders, Timothy W. Chumley 2013-4-2 40734 Riverside Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  RSA740833  Pectocarya penicillata Scott D. White, Justin M. Wood 2008-7-8 12393 Riverside Johnson Meadow. 1439 Comment
  UCR250313  Pectocarya penicillata A. C. Sanders 2014-4-8 40975 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  UCR108483  Pectocarya peninsularis A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, C. L. Sanders 1995-3-5 15998 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  RSA768409  Pectocarya platycarpa J. Andre, T. La Doux 2009-2-25 10815 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  SD70779  Pectocarya recurvata D. B. Dunn, Shogo, Schroeder, Bruskin and Folsom 1948-3-13 3723 Riverside Indio Hills, Colorado Desert, near Pushawalla. Comment
  SEINET2042515 Image available Pectocarya recurvata A. C. Sanders 2001-3-20 23850 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Garnet, N side of 19th Ave.; 0.5 mi (airline) NW of intersection of I-10 and Indian Ave. T3S R4E S15, center 235 Comment
  UCR213268  Pectocarya recurvata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37441 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
  JOTR31055  Pectocarya setosa La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2038 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  RSA679823  Pectocarya setosa LeRoy Gross, Valerie Soza 2003-5-8 826 Riverside San Jacinto Mountains region: North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  UCR35184  Pectocarya setosa L. B. Ziegler 1968-5-21 301 Riverside San Jacinto Mtns., Hemet Valley (=Garner Valley) 1418 Comment
  POM12747  Pedicularis semibarbata Philip A. Munz 1922-7-6 6020 Riverside Between Hidden Lake and Round Valley. 2561 Comment
  CAS-BOT-BC69221  Pellaea andromedifolia Elmer I. Applegate 1893-4-23 s.n. Riverside East Riverside Comment
  UCR41326  Pellaea andromedifolia N. M. Fellows, A. C. Sanders 1985-4-9 152 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
  UCR261392  Pellaea mucronata Joseph Cahill 2011-1-8 111- 22 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  UCR97463  Pellaea mucronata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19888 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  RSA125967  Pellaea mucronata var. mucronata E. K. Balls, Percy C. Everett 1957-11-4 22751 Riverside Snow Creek, N. base of San Jacinto Mts. 701 Comment
  SFV13130  Pellaea mucronata var. mucronata M. J. Thor 1982-9-17 138 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  RSA599122  Pennisetum setaceum V. W. Steinmann 1996-3-16 812 Riverside Northeast foothills of the San Jacinto Mountains, lower portion of Chino Canyon alluvial plain, 1 kilometer S of Highway 111 at a point ca. 1.5 kilometer NW of the Tramway-San Rafael intersection. 300 Comment
  SD144116  Pennisetum setaceum A. C. Sanders, P. MacKay 1994-10-23 15848 Riverside San bernardino Mountains, Whitewater River Canyon, between the trout hatchery & Bonnie Bell, in moist sand near the stream on the canyon bottom 580 Comment
  UCR82882  Pennisetum setaceum A. C. Sanders, P. J. MacKay 1994-10-23 15848 Riverside San Bernardino Mtns/Colorado Desert, Whitewater River Canyon, between the trout hatchery and Bonnie Bell 671 Comment
  RSA96996  Penstemon centranthifolius R. M. Straw 1953-6-5 446 Riverside 0.2 mi. west of Palms to Pines Hwy on road to Anza. Comment
  CAS-BOT-BC265280  Penstemon clevelandii Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9020 Riverside Santa Rosa Mountains: ca 0.05 mile S on Santa Rosa Mountain Road from Highway 74 1402 Comment
  SFV17409  Penstemon clevelandii M. S. Valenzuela 1998-6-6 74 dup. Riverside Highway 74 near Santa Rosa Mountain Road. 1220 Comment
  POM229442  Penstemon clevelandii subsp. connatus Philip A. Munz 1937-5-30 15097 Riverside North of Vandeventer Flat, Santa Rosa Mountain 1677 Comment
  JEPS26103  Penstemon clevelandii var. connatus Peter H. Raven 1958-5-6 12925 Riverside along State Highway 74, 15.6 mi sw Palm Desert; sw of Palm Desert Comment
  JOTR31066  Penstemon eatonii var. eatonii La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2048 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 5: side canyon above Smith Water Canyon on west side of Quail Mountain region Comment
  JOTR33952  Penstemon eatonii var. eatonii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2838 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
  NY601213  Penstemon grinnellii var. grinnellii E. K. Balls 1953-8-19 18540 Riverside Mountain Home Springs, Santa Rosa Mountain 1920.2 Comment
  SD245487  Penstemon heterophyllus var. australis Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49543 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  JEPS11083  Penstemon rostriflorus I. W. Clokey, E. G. Anderson 1935-8-21 6903 Riverside Fuller's Creek 1500 Comment
  UC1971232  Penstemon rostriflorus Scott D. White 1998-7-31 6929 Riverside IDYLLWILD AREA: Strawberry Creek between crossing at Circle Dr. and Humber Park. USGS 7.5' San Jacinto Peak quad. Comment
  UC887461  Penstemon rostriflorus I. W. Clokey and E. G. Anderson 1935-8-21 6903 Riverside Fuller's Creek 1500 Comment
  UCR128312  Penstemon rostriflorus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8630 B Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  RSA401808  Penstemon spectabilis N. C. Cooper 1949-6-29 4308 Riverside West of Pinyon Flat, San Jacinto Mountains 1524 Comment
  UC27505  Penstemon spectabilis var. spectabilis H. M. Hall 1898-6-27 954 Riverside El Toro Mt. at ______ Springs San Jacinto Mountains, El Toro Mt., Coyote Canyon (Coyote Canyon) 1737 Comment
  JEPS21330  Pentachaeta aurea W. L. Jepson May 17 1901-Jun 1 1901 1321 Riverside Thomas Valley Comment
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Feb 16 2013
  SD181688  Pentachaeta aurea Scott D. White, Bill La Haye 2000-5-27 7953 Riverside San Jacinto Mountains: Baldy Mountain area. 1616 Comment
  UC2029973  Pentachaeta aurea S. D. White, Bill La Haye 2000-5-27 7953 Riverside SAN JACINTO MOUNTAINS: Baldy Mtn. area. Comment
  LA3453  Pentagramma triangularis subsp. viscosa Norman C. Cooper; 1944-4-8 1085 Riverside Andreas Canyon. 457 Comment
  JOTR31850  Perityle emoryi La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2108 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  JOTR34384  Perityle emoryi Andre, Jim 2012-4-16 20907 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  RSA0062769  Perityle emoryi Duncan S. Bell, Evan Meyer 2014-10-21 7651 Riverside Orocopia Mountains; northwestern section of the range; in the vicinity of Hotel California; about 3 air miles northwest of the summit of the Orocopia Mountains. 762 Comment
  UCR242291  Perityle emoryi A. C. Sanders, T. B. Salvato 2012-10-12 40418 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  JOTR00924  Perityle emoryi Sipe, Frank 1958-3-7 247 Riverside Joshua Tree National Park. NEAR CHOLLA PATCH Comment
  SD225080  Persicaria lapathifolia Scott D. White, Steve Ogg 1994-10-17 2481 Riverside City of Temecula, Murrieta Ck. Channel 1000ft N of bridge at Rancho Calif. Ave. 299 Comment
  JEPS41248  Petalonyx linearis F. W. Peirson 1921-3-23 2376 Riverside Deep Canyon; Colorado Desert 335 Comment
  CAS-BOT-BC167774  Petalonyx thurberi L. R. Abrams 1926-3-26 11106 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  OBI12447  Petalonyx thurberi Lewis S. Rose 1961-11-24 61065 Riverside La Quinta 15 Comment
  UCR17237  Petalonyx thurberi N. R. Zabriskie, W. W. Zabriskie 1971-10-23 452 Riverside Western Colorado Desert/ San Jacinto Mtns, near Andreas Canyon Club Gate, South Palm Canyon Drive, Palm Canyon drainage, E slope of San Jacinto Mtns Comment
  JOTR35988  Petalonyx thurberi subsp. thurberi Harding, Mitzi, Mark Wheeler 2012-9-4 199 Riverside Joshua Tree National Park. Pinto Basin; active wash between rocky/ gravelly hills west of Pinto Mtn (stop 3) 479 Comment
  SD146140  Petunia parviflora A. C. Sanders, D. Bramlet, M. Costea, T. Salvato 1999-10-15 23174 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  UCR18846  Petunia parviflora John C. Roos 1951-10-19 5327 Riverside San Jacinto Valley, Near S end of Old Jackrabbit Trail 457 Comment
  CAS-BOT-BC326737  Peucephyllum schottii David B. Dunn 1946-2-23 1975 Riverside Hidden Springs Canyon in the vicinity of the Palms Comment
  LA203887  Peucephyllum schottii Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Box Canyon Comment
  RSA471975  Peucephyllum schottii M. B. Dunkle 1933-3-4 3069 Riverside Painted Canyon, Colorado Desert. 30 Comment
  UC831588  Peucephyllum schottii E. C. Jaeger 1922-3-18 1028 Riverside near Mecca; Painted Canyon Comment
  RSA507479  Phacelia brachyloba Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  UC284214  Phacelia brachyloba P. A. Munz 1923-6-14 7055 Riverside Glen Ivy Trail to Santiago Peak Santa Ana Mts. 1066 Comment
  RSA752223  Phacelia campanularia subsp. campanularia Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12586 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry. 640 Comment
  RSA0014470  Phacelia crenulata var. ambigua Justin M. Wood, J. Miner 2010-4-29 1544 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA0043224  Phacelia crenulata var. ambigua Duncan S. Bell 2010-4-2 694 Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  UC126006  Phacelia crenulata var. ambigua Dr. A. Davidson May 1893 Riverside Agua Caliente Comment
  UC1563073  Phacelia crenulata var. ambigua Steve Boyd and Orlando Mistretta 1986-3-13 1440 Riverside ne Desert Center; West side Palen Mts. Comment
  UC672405  Phacelia crenulata var. ambigua Herbert L. Mason 1928-3-10 4199 Riverside Whitewater, Colorado Desert Comment
  UC963830  Phacelia crenulata var. ambigua H. K. Sharsmith 1952-4-8 4048 Riverside western edge of Pinto Basin Mojave Desert, Joshua Tree National Monument, Hexie Mountain 762 Comment
  UCR74370  Phacelia crenulata var. ambigua Theo Glenn 1991-5-30 91- 2 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  RSA778225  Phacelia crenulata var. minutiflora Duncan S. Bell 2009-3-7 30 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  CAS-BOT-BC133961  Phacelia distans D. A. Johansen; J. A. Ewan 1932-4-11 7067 Riverside Mouth of Tahquitz Canyon Comment
  RSA428216  Phacelia distans Robert Gustafson 1983-3-27 2486 Riverside Dry rocky canyon southwest of Lake Cahuilla . Comment
  RSA747799  Phacelia distans Scott D. White, Justin M. Wood 2009-3-24 12576 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
  SD255771  Phacelia distans Mitch Provance 2012-5-24 512 26 Riverside San Bernardino Mountains; Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Ave., and Wilson St. 868 Comment
  UC702033  Phacelia distans Frank W. Gould 1943-4-17 2104 Riverside on Elsinore road 12 mi s Corona Comment
  JOTR01175  Phacelia distans Cole, James E. 1941-3-30 451 Riverside Joshua Tree National Park. PINTO BASIN 609 Comment
  RSA0055025  Phacelia distans Jim Shevock 1971-3-6 741 Riverside White Tank, Joshua Tree National Monument. 1001 Comment
  SEINET7048176  Phacelia distans Steven R. Hill 2001-5-3 33682 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
  UCR265825  Phacelia imbricata Mitch Provance 2012-5-24 512- 06 B 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
  RSA0106639  Phacelia ivesiana Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4774 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 5.5 air miles southeast of the ghost town or Rice or approximately 4.75 air miles east of Priests Well. 208 Comment
  RSA0106452  Phacelia minor Daphne K. Christopher, Hannah Stevens 2003-4-4 87 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  RSA5001  Phacelia minor Carl B. Wolf 1932-3-20 1 Riverside Richman Ranch, 2.5 miles no. of De Luz; S.W. Riverside County. 457 Comment
  RSA524582  Phacelia minor Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4130 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
  RSA614537  Phacelia minor A. C. Sanders 1997-3-1 19704 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity , 1386ft) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  SEINET7096699  Phacelia minor A. G. Vestal 1962-4-8 s.n. Riverside In bushes ca. 3.5 miles northeast of Lake Elsinore. NAD27, 33? deg. 42' 56ao, -117?_ 18' 09ao (converted to WGS84 decimal degrees) UTM Zone 11 471978mE, 3730462mN. Comment
  RSA480078  Phacelia neglecta Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin 1988-3-10 2163 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA779695  Phacelia rotundifolia Duncan S. Bell 2010-4-2 706 Riverside Arica Mountains: collecting along the mountains ridgeline, approximately 0.75 air mile north of summit. 592 Comment
  CLARK-A1045-177  Phalaris caroliniana George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  UCD89176  Phalaris minor John Thomas Howell 1960-3-24 35152 Riverside La Quinta. Comment
  POM14420  Phalaris minor P. A. Munz, I. M. Johnston 1922-5-19 5381 Riverside 8 miles NE of Murietta. 412 Comment
  UCR116474  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24374 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  JEPS49608  Philadelphus microphyllus var. stramineus Frank W. Peirson 1924-7-27 4991 Riverside Dark Canyon, Mt. San Jacinto. 2286 Comment
  CHSC83682  Phoradendron californicum John Dittes 2002-1-5 2 -47 Riverside Mojave Desert; ca. 11 air-miles south-southwest of Twentynine Palms, ca. 0.8 mile northwest of Hidden Valley Campground, ca. 1 mile east of Lost Horse Ranger Station, base of ridge west of Loop Road. 1286 Comment
  HSC86934  Phoradendron californicum Dennis E. Kucera 1987-11-14 Riverside Malki Museum garden, E of Banning off Fields Rd., Morongo Indian Reservation 610 Comment
  SEINET7048058  Phoradendron californicum Steven R. Hill 2001-4-29 33535 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  RSA49179  Phoradendron densum Philip A. Munz 1949-4-13 13053 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 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
  CLARK-A1528-614  Phoradendron tomentosum subsp. macrophyllum P. A. Rauch 1966-1-24 Riverside Radec Comment
  POM13405  Phoradendron villosum E. C. Jaeger 1922-6-15 s.n. Riverside Palms to Pines Trail, on Quercus. 1982 Comment
  POM10222  Phyla lanceolata F. M. Reed 1906-7-8 1130 Riverside West Riverside. Comment
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Jul 4 2010
  UC699665  Phyla lanceolata Kay H. Beach 1942-10-22 1660 Riverside three mi nw Corona city limits (along Chino Creek); along Chino Creek 198 Comment
  JEPS8984  Physalis crassifolia John Thomas Howell 1928-1-29 3297 Riverside Painted Canyon; Colorado Desert Comment
  JOTR32606  Physalis crassifolia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2670 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
  RSA264426  Physalis crassifolia C. W. Tilforth, Jeff Barnes 1976-7-20 1210 Riverside Along power line road n.e. of Chiriaco Summit between Indio and Desert Center, Riverside County, CA. Colorado Desert. Comment
  CAS-BOT-BC78470  Pinus contorta subsp. murrayana F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  CAS-BOT-BC73184  Pinus jeffreyi A. C. Sanders 1995-11-26 17924 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Old house site on Tule Peak Rd., 1310 Comment
  CSUSB922  Pinus monophylla Stanley C. Warner 1956-5-20 s.n. Riverside Palms to Pines Highway, Pinyon Flats Camp Comment
  SEINET10530532  Pinus monophylla David B. Dunn, L. S. McClung 1939-10-22 Dunn UMO 46548 Riverside Native tree in the San Jacinto Mts of southern Calif. in Pinyon-Juniper woodland. Along the Palms to Pines Hwy. 1829 Comment
  RSA0077527  Pinus ponderosa G. Wallace 1964-4-22 s.n. Riverside Idlewild Area. Comment
  SJSU1297  Pinus quadrifolia M. L. Seibert 1952-9-6 Riverside near State Hwy 74 c. 12 mi E of Anza in Santa Rosa Indian Reservation Comment
  RSA561780  Piperia cooperi Steve Boyd 1992-4-14 6848 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  UCR209164  Pistacia atlantica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37157 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UCR240649  Pityrogramma triangularis Tracy Tennant, Mitch Provance 1998-6-16 MOR- 419 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  UCR226074  Plagiobothrys acanthocarpus A. C. Sanders, T. B. Salvato 2011-4-1 38943 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  UCR137477  Plagiobothrys canescens D. L. Banks 1997-3-16 1537 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  SEINET244317  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2001-3-30 23863 Riverside Perris-Aguanga Basin; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada 366 Comment
  UCR171959  Plagiobothrys collinus John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UCR97455  Plagiobothrys collinus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19844 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR201477  Plagiobothrys collinus var. fulvescens Scott D. White, Justin M. Wood 2008-6-18 12243 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  RSA741372  Plagiobothrys collinus var. ursinus Scott D. White, Justin M. Wood 2008-5-15 11982 Riverside Johnson Meadow. 1415 Comment
  UCD120858  Plagiobothrys leptocladus J. C. Roos 1952-4-23 5572 Riverside Along the San Jacinto River 1 mile SE of Perris. 426 Comment
  POM368912  Plagiobothrys nothofulvus M. M. Thompson 1947-6-9 C 2061 Riverside Los Alamos Canyon, Elsinore 762 Comment
  UCR162821  Plagiobothrys nothofulvus Jeri Hirshberg 1989-3-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta; small mesa SW of Mesa de Burro 579 Comment
  SD90575  Plagiobothrys undulatus Robert F. Thorne, Eatl Lathrop 1969-5-12 37931 Riverside Santa Rosa Plateau; large vernal marsh on south end of Mesa de Colorado, Rancho California. 625 Comment
  RSA612960  Plantago erecta D. L. Banks 1997-3-29 1629 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR102879  Plantago erecta A. C. Sanders 1997-3-26 20129 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR97651  Plantago erecta A. C. Sanders, G. Helmkamp 1997-3-15 19938 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  SD136799  Plantago lanceolata Steve Boyd, Tim Ross 1992-5-5 7262 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area, northwest of Oak Flats along Verdugo Trail between junctions with Bluewater and Lucas Canyon Trails. 762 Comment
  UCR92094  Plantago lanceolata Scott D. White, S. Ogg 1994-10-17 2465 .1 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  POM158198  Plantago lanceolata P. A. Munz, I. M. Johnston 1928-9-6 11281 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  POM4551  Plantago lanceolata Geo. R. Hall 1908-1 8485 Riverside Riverside Comment
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Feb 3 2011
  RSA180245  Plantago major E. W. Lathrop 1964-5-24 5390 Riverside 8 miles west of Murrieta Comment
  JEPS7184  Plantago ovata Rimo Bacigalupi with G. T. Robbins and Keith Harrison 1952-4-2 3604 Riverside off Palms Canyon, at mouth of Andreas Canyon, lower slopes of Mount San Jacinto Mount San Jacinto, Andreas Canyon Comment
  OBI53571  Plantago ovata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2104 Riverside N end Palen Mts, 2 mi W of Palen Pass 300 Comment
  UCR3475  Plantago ovata Sally Bell 1964-3-15 s.n. Riverside Sonoran (Colorado) Desert, Cathedral City, c. 500 yards from back of Travel Lodge Trailer Court off Hwy 111 91 Comment
  POM46966  Plantago ovata var. fastigiata Mary F. Spencer 1920-3-13 1488 Riverside Mecca -60 Comment
  SBBG25878  Plantago ovata var. fastigiata E. R. Blakley 1966-4-9 6750 Riverside jct of US Hwy 60-70 and Wiley Well Rd, ca. 15 mi W of Blythe 121 Comment
  RSA770451  Plantago patagonica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4563 Riverside Transverse Ranges, San Bernardino Mountain region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.95609, W116.64365 and N33.95477, W116.64248. 526 Comment
  UC4557  Platanthera leucostachys H. M. Hall 1897-7-22 727 Riverside San Jacinto Mts. 1828 Comment
  RSA401710A  Platanus racemosa H. de Forest 1924-4-13 s.n. Riverside Tahquitz Canyon. Comment
  LA206261  Platystemon californicus K. Kinsel; 1930-4-17 sn Riverside near Perris Comment
  RSA182352  Platystemon californicus J. D. Olmsted 1962-5-2 3451 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  RSA66236  Platystemon californicus F. W. Peirson 1922-5-21 3033 Riverside Along east side of Hemet Valley 1357 Comment
  SD38064  Platystemon californicus Edith A. Purer 1935-4-21 6440 Riverside Pine Valley, on Pines to Palms Highway. 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
  UC818425  Pleuraphis rigida C. L. Hitchcock 5934 Riverside along 29 Palms Road 1 1/2 mi ne Cottonwood Spring (Joshua Tree Nat. Monument); , ne of Cottonwood Spring Comment
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Nov 6 2011
  CLARK-A1528-2187  Pleurocoronis pluriseta John C. Roos 1946-11-30 3172 Riverside Chuckwalla Mountains Comment
  JOTR34386  Pleurocoronis pluriseta Andre, Jim 2012-4-16 20910 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  UC166734  Pleurocoronis pluriseta S. B. Parish 1907-4-17 6083 Riverside Palm Springs, Colorado Desert Comment
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Oct 18 2016
  CAS-BOT-BC326546  Pluchea sericea Roxana S. Ferris 1918-6-19 1007 Riverside Colorado River bottoms at Blythe Comment
  LA203868  Pluchea sericea Martha Hilend; 1929-3-24 sn Riverside Thousand Palms Comment
  UCR2712  Poa nervosa F. M. Reed 1908-7-10 2486 Riverside San Jacinto Mtns, big meadow in Round Valley 2744 Comment
  UCR201480  Poa pratensis Scott D. White, Justin M. Wood 2008-6-16 12106 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  POM263182  Poa pratensis J. C. Roos 1937-8-18 466 Riverside Round Valley, San Jacinto Mountains. Comment
  RSA561809  Poa secunda Steve Boyd 1992-4-14 6835 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
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Jun 7 2009
  JOTR30951  Poa secunda subsp. secunda La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1926 Riverside Joshua Tree National Park. (Stop 3) Hexie Mountains, slopes above Blue Cut Gorge Comment
  UCD90827  Poa secunda subsp. secunda Beecher Crampton 1963-5-7 6782 Riverside Western. 2 miles W of Lakeland Village, Elsinore Mountains. Cleveland National Forest. 609 Comment
  UCD91691  Poa secunda subsp. secunda J. G. Lemmon 1888-4-14 s.n. Riverside Elsinore. Comment
  CAS-BOT-BC428030  Poaceae L. Nye; G. Gust 2005-3-11 58 Riverside Lake Elsinore. Intersection of Diamond Circle and Malaga Rd. Off Mission Trail Rd. 399 Comment
  SD126503  Polygala cornuta var. fishiae Tom Wendt, E. Lott 1975-6-30 1054 Riverside Santa Ana Mountains, Cleveland National Forest, 2 miles north of entrance to upper San Juan Campground, ca. 0.1 mile east of the Orange County line along Rte. 74 in San Juan Canyon 427 Comment
  UCR165201  Polygala cornuta var. fishiae Robert Cox 2003-9-8 s.n. Riverside Peninsular Ranges, Santa Ana Mtns., along Indian Truck Trail c. 1.8 mi. east of Santiago Peak 1128 Comment
  RSA518290  Polygonum argyrocoleon George K. Helmkamp 1989-9-16 s.n. Riverside ca. 1/2 mi. S of Hwy I-8 W of Blythe, at Seeley Rd. and state Hwy 78. QH 0N, 1E 75 Comment
  UCR82905  Polypogon australis A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15799 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  SDSU13921  Polypogon maritimus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2140 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR182566  Polypogon monspeliensis Andrea Salzman, Carlos Navarro 2006-6-6 146 Riverside Peninsular Range; Santa Rosa Plateau, Mesa de Burro 581 Comment
  IRVC167  Polystichum imbricans subsp. curtum Charley Ford 1965-4-20 HS 560 Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  RSA520948  Polystichum imbricans subsp. curtum Steve Boyd, Dave Bramlet 1988-10-8 2873 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA798600  Polystichum imbricans subsp. curtum R. F. Thorne, E. W. Lathrop 1977-5-18 49757 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  CAS-BOT-BC102597  Populus fremontii S. B. Parish 1916-5-13 10841 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  RSA613421  Porophyllum gracile D. L. Banks 1997-4-5 1670 B Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  UCR160449  Potamogeton T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  UCR37485  Potamogeton crispus Steve Boyd 1981-1-9 s.n. Riverside Peninsular Range, Gavilan Hills, narrows in central Dawson Cyn. 488 Comment
  RSA0123756  Prenanthella exigua Duncan S. Bell, LeRoy Gross 2016-3-10 8867 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 2.25 air miles northwest of the summit area. 859 Comment
  SEINET695566  Proboscidea louisianica Howard Scott Gentry 1948-6-30 8181 Riverside Gentry Farm, ca. 3 miles northeast of Murrieta. Comment
  CAS-BOT-BC206993  Prosopis glandulosa var. torreyana Milo S. Baker 1928-4-3 3244 b Riverside Palm Spr. Canyon at camp. Comment
  UCR272191  Prosopis glandulosa var. torreyana Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8554 Riverside Santa Rosa Mountains, Horsethef Creek, south of Cactus Spring Trail 1064 Comment
  SD247497  Prunus fasciculata A. C. Sanders, Jim Malusa 2015-3-9 41366 Riverside Sonoran (Colorado) Desert:Chocolate Mountains, along Gasline Road atmajor wash crossing 1.9 miles south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range (Cloud Canyon 7.5'Q) 205 Comment
  CAS-BOT-BC158292  Prunus fasciculata var. fasciculata Annie M. Alexander; Louise Kellogg 1941-5-14 2172 Riverside Cottonwood Spring Pass, Eagle Mts. 914 Comment
  CHSC34552  Prunus fremontii John A. Hall 1971-2-15 3 Riverside Ca. 36 mi. SE of Hemet, ca. 6 mi. SE of Anza on Coyote Cyn. trail in Santa Rosa Mtns. 1127 Comment
  HSC25799  Prunus fremontii Richard Spjut 1972-3-13 2258 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  RSA701211  Prunus fremontii Keith E. Hoffmaster 1933-4-14 s.n. Riverside Taquitz canyon Comment
  RSA6083  Prunus ilicifolia Carl B. Wolf 1932-5-25 3666 Riverside Snow Creek, No. Base San Jacinto Mountains. Just above the Fish Hatchery 671 Comment
  UCR169396  Prunus virginiana var. demissa T. B. Salvato, John F. Green 2004-5-27 606 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  CAS-BOT-BC356343  Psathyrotes ramosissima Lewis S. Rose 1936-12-20 36795 Riverside L.A. Aqueduct road, 10 mi. E. of Garnet Comment
  UC1595718  Psathyrotes ramosissima W. Wisura, J. Dolan, and M. Wall 1992-3-24 4622 Riverside 6.0 mi ne Mecca (on Box Canyon Rd.) Comment
  UCR264630  Pseudognaphalium ramosissimum Mitch Provance 2012-6-19 196- 06 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  UCR112396  Psilocarphus brevissimus A. C. Sanders, K. C. Rose 1998-5-21 21855 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  CLARK-A1528-5672  Psoralea physodes John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1219 Comment
  CAS-BOT-BC353578  Psorothamnus arborescens var. simplicifolius Marian L. Campbell 1921-3-20 27 Riverside Palm Springs Comment
  CAS-BOT-BC353581  Psorothamnus arborescens var. simplicifolius H. M. Hall 1901-6-1 2008 Riverside San Jacinto Mountains, Canyon of the San Jacinto River 670 Comment
  CAS-BOT-BC353628  Psorothamnus emoryi Roxana S. Ferris 1918-6-15 998 Riverside at Greundikes Well on Mecca-Blythe Road Comment
  RSA403987  Psorothamnus emoryi Christopher Davidson 1979-4-29 7819 Riverside West of Indio, 3 miles E of Date Palm Drive. 15 Comment
  CAS-BOT-BC340869  Psorothamnus schottii Margaret Stason 1927-3-12 s.n. Riverside Painted Canyon, Colorado Desert Comment
  CAS-BOT-BC340921  Psorothamnus schottii Mrs. G. Earle Kelly 1926-4-1 s.n. Riverside Palm Springs Comment
  UCSB42194  Psorothamnus schottii Roos, John 1966-5-2 Riverside At the mouth of Pushawalla Canyon, Indio Mtns. Comment
  RSA498754  Psorothamnus spinosus Aloys Nicholson 1930-4-6 s.n. Riverside 1000 Palms. Colorado Desert. Comment
  CAS-BOT-BC421250  Pterostegia drymarioides Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4029 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  RSA770690  Pterostegia drymarioides Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4793 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR273999  Quercus Mitch Provance 2012-9-11 17621 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  CAS-BOT-BC86600  Quercus X munzii Philip A. Munz 1946-10-21 11590 Riverside Live Oak Tank, Joshue Tree National Monument 1219 Comment
  LA205265  Quercus agrifolia Carl Epling; November 1932 sn Riverside Palms to Pines Highway, E of Idlywild nearroad to Santa Rosa Mts Comment
  RSA559450  Quercus berberidifolia Steve Boyd, T. S. Ross 1992-5-5 7218 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  UCR138558  Quercus berberidifolia Steve Boyd, D. E. Bramlet 1988-10-8 2875 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  UCR26582  Quercus berberidifolia John LaSalle 1982-5-4 4 Riverside Peninsular Range, 2.4 mi west of Radec across the Hwy from Vail Lake turnoff from Hwy 79. Comment
  SD126462  Quercus cornelius-mulleri A. C. Sanders, E. J. Lawlor 1988-10-22 8720 Riverside Santa Rosa Mountains, Pinyon Flats area, near the Dolomite Mine on the trail to Horsethief Creek 1200 Comment
  SD229173  Quercus cornelius-mulleri Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 643 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  UCD45606  Quercus cornelius-mulleri K. R. Montgomery 1969-6-9 69 19 Riverside Wilson Valley, 18 miles south of Hemet, Riverside County, California. Elev. 3500'. 1066 Comment
  CAS-BOT-BC86541  Quercus dumosa C. H. Muller 1941-8-10 4844 Riverside San Jacinto Mts. 12 mi SE of Keen Camp Comment
  CAS-BOT-BC94188  Quercus engelmannii B. Pitzer 1988-6-10 1053 Riverside Rancho California area, Carrancho Road near intersection with El Prado Road. Ca. 1/2-1 mi SE of De Luz Road Comment
  SBBG119972  Quercus engelmannii A. C. Sanders with M. Misenhelter 2005-3-23 29264 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  SEINET2066432 Image available Quercus engelmannii A. C. Sanders, E. J. Lawlor 1988-10-22 8718 Riverside Pinyon Flats area, Santa Rosa Mountians, along Horsethief Creek where the trail from the Dolomite Mine crosses. 1100 Comment
  UCR54426  Quercus engelmannii A. C. Sanders, E. J. Lawlor 1988-10-22 8718 Riverside Santa Rosa Mtns, Pinyon Flats Area, along Horsethief Creek where the trail from the Dolomite Mine Crosses. 1100 Comment
  SEINET13709270  Quercus engelmannii J. Adams, J. Adams (Botany) 1966-1 712 Riverside Santa Rosa Plateau, along Dirt Rd from Murrieta to De Luz 2500Ft 762 Comment
  UCR117248  Quercus palmeri A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22291 Riverside San Jacinto Mtns., Santa Rosa Indian Reservation along Hwy 74, 4 mi. east of Hwy 371 junction to Anza 1378 Comment
  UCSB1229  Quercus palmeri Haller, John 1960-5-15 Riverside Vandeventer Flat, 3.3 mi. E of the junc. of the road to Anza on Calif. 74 1371 Comment
  UCD47359  Quercus turbinella Rudolph Fischer 1965-10-8 1 Riverside East foothills of Thomas Mountain, Santa Rosa range, State Highway 74, ca. 10 miles south of Keen Camp, Riverside County, California. 1341 Comment
  UC848377  Quercus wislizeni I. W. Clokey and E. G. Anderson 1935-4-16 6571 Riverside e of Hemet 750 Comment
  UCR277496  Quercus wislizeni Mitch Provance 2010-7-6 610- 01 Riverside Bridges Creek, eastern end of San Timoteo Canyon, at northwest edge of City of Beaumont, west side of the I-10, about 0.3 miles south-southeast of Oak Valley Parkway. 752 Comment
  RSA0120465  Rafinesquia californica Duncan S. Bell 2016-4-16 9305 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCD135363  Rafinesquia neomexicana R. L. Smith 1948-3-25 s.n. Riverside Cabazon. Comment
  RSA95061  Rafinesquia neomexicana F. W. Peirson 1920-2-16 2762 Riverside Garden of Eden at Palm Springs Comment
  SD132417  Ranunculus californicus Wendy Weitkamp 1990-4-12 Riverside Santa Rosa Plateau TNC Preserve, SW coener of Mesa de Burro 762 Comment
  UC488997  Ranunculus californicus C. V. Meyer June 1927 196 Riverside Saunders Meadows San Jacinto Mts. 1676 Comment
  RSA736727  Ranunculus cymbalaria Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10691 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  RSA400244  Ranunculus cymbalaria var. saximontanus Mark Morris 1929-3-17 14900 Riverside Palm Canyon. Comment
  UCR199761  Ranunculus sceleratus Scott D. White, Angelia Carey and Linda Archer 2004-8-5 10691 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  RSA543204  Rhamnus crocea Steve Boyd 1991-3-17 5481 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
  UCR100031  Rhamnus crocea A. C. Sanders, G. Helmkamp 1997-3-15 19976 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  RSA0018313  Rhamnus crocea Keith E. Hoffmaster 1937-6-6 764 Riverside Near Valle Vista. Comment
  CAS-BOT-BC56047  Rhamnus ilicifolia B. D. Stark 1933-2-19 4530 Riverside 2 1/2 mi. East of Nuevo 457 Comment
  RSA243760  Rhamnus ilicifolia Percy C. Everett 1935-6-18 7207 Riverside Coldwater cam. trail, about 1.5 mi. below (N.) Main Divide Motorway. 1280 Comment
  RSA628256  Rhamnus ilicifolia B. Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns: San Bernardino National Forest, Catus Spring Trail, where trail crosses Horsethief Creek. 1341 Comment
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Mar 1 2014
  SEINET5569763  Rhamnus ilicifolia R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians. 1524 Comment
  RSA719475  Rhamnus pilosa R. E. Riefner Jr. 2006-10-11 06 -529 Riverside E of Rainbow Canyon, N of Rainbow Heights, Termite's Hike Trail. 614 Comment
  POM17819  Rhamnus tomentella subsp. cuspidata P. A. Munz, D. D. Keck 1923-6-14 7081 Riverside Santiago peak, Santa Ana Mountains. 1616 Comment
  UC877122  Rhododendron occidentale P. A. Munz 1922-7-6 6029 Riverside San Jacinto Mountains, North Fork Tahquitz Creek North Fork Tahquitz Creek; San Jacinto Mountains, North Fork Tahquitz Creek 2225 Comment
  CAS-BOT-BC200030  Rhododendron occidentale var. californicum Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  RSA0026887  Rhododendron occidentale var. californicum Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA221023  Rhus integrifolia E. W. Lathrop 1966-3-23 6074 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 306 Comment
  UCR23410  Rhus integrifolia John C. Roos 1944-1-29 2766 Riverside Box Springs Mtns. east of Riverside near Pigeon Pass 750 Comment
  HSC3151  Rhus ovata C. L. Hitchcock, C. V. Muhlick 1964-3-17 23098 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  UC1979667  Rhus ovata Darin L. Banks, Steve Boyd 1995-3-16 108 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. Comment
  UCR241662  Rhus ovata T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 329 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR243158  Rhus ovata LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4293 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  SD137740  Ribes amarum Darin L. Banks, Steve Boyd 1995-2-16 49 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 829 Comment
  UCR132424  Ribes californicum var. hesperium A. C. Sanders 2004-2-6 27379 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 427 Comment
  UC455598  Ribes cereum I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 3200 Comment
  CDA25536  Ribes indecorum B. Kobaly 1964-8-12 Riverside Idyllwild, San Jacinto Mountains. 0 Comment
  POM13348  Ribes malvaceum var. viridifolium E. C. Jaeger 1921-6-13 s.n. Riverside Mac Mullin Trail Comment
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Apr 4 2011
  UC11578  Ribes montigenum H. M. Hall July, 1901 2410 Riverside near summit San Jacinto Mountains 3293 Comment
  SD216485  Ribes nevadense Jay B. Walker 1995-5-3 1410 Riverside San Bernardino National Forest, South of Pinyon Flat Campground, at terminus of USFS Road. 1900 Comment
  UC50168  Romneya coulteri H. M. Hall 1897-5-27 568 Riverside Corona Comment
  UCR151127  Romneya coulteri Scott D. White 1998-10-9 7171 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  UCR213500  Romneya coulteri A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38409 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd., 0.2 mi. NNE (19 deg. ) of north end of Black Powder Rd. 415 Comment
  UCR268297  Rosa californica Jim Andre 2012-6-15 30551 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UCR94930  Rumex acetosella Scott D. White 1996-8-15 4468 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  UCR115996  Rumex hymenosepalus A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23319 Riverside Shipley-Skinner Reserve area, Diamond Valley, off old Rawson Rd. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  UCR4087  Rumex hymenosepalus Carole Sims 1965-3-14 s.n. Riverside Peninsular Range, about 1 mile east of Temecula, toward Vail Ranch 305 Comment
  UCR266820  Rumex pulcher D. E. Bramlet 2005-7-13 3894 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds 433 Comment
  RSA466123  Rumex salicifolius N. C. Cooper 1949-6-29 4340 Riverside Pine Cove, San Jacinto Mountains. 1829 Comment
  RSA589079  Rumex salicifolius var. denticulatus D. L. Banks, S. D. Boyd 1995-10-17 790 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
  RSA735231  Rumex salicifolius var. denticulatus Scott D. White, Angelia Carey 2004-6-4 10480 -B Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  IRVC27457  Rumex violascens A. C. Sanders, K. C. Rose 1999-6-18 22829 Riverside upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester Domenigoni Valley 433 Comment
  RSA764121  Rupertia physodes Linda M. Prince, Duncan S. Bell 2009-6-17 581 Riverside Cleveland National Forest Comment
  CLARK-A1528-3968  Ruta graveolens John C. Roos 1950-4-22 4749 Riverside Reche Canyon 457 Comment
  RSA543619  Sagina decumbens subsp. occidentalis Steve Boyd 1991-5-7 6154 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  CLARK-A1528-595  Salazaria mexicana Charlotte Stocks 1962-6-15 Riverside San Jacinto Mountains 1066 Comment
  UC65012  Salazaria mexicana E. E. Schellenger 1904-10-18 27 Riverside Chucawalla Bench; Colorado Desert, Chucawalla Bench Comment
  CAS-BOT-BC103900  Salix exigua F. R. Fosberg 1932-3-13 8082 Riverside Thousand Palms Can., Coachella Valley Comment
  UCR92270  Salix exigua Scott D. White 1995-8-23 3571 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
  RSA0010969  Salix exigua var. exigua N. C. Cooper 1944-4-8 1057 Riverside Andreas Canyon. 305 Comment
  UC494349  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside 4.8 km. n Arlington (on rd. to Pedley, 4 mi w of Riverside, e side of bridge over Santa Ana R., down embankment either side of hwy.) 240 Comment
  CAS-BOT-BC108102  Salix gooddingii Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  CLARK-A1528-831  Salix gooddingii Oscar Clarke 1971-3-31 Riverside Riverside Comment
  JOTR35494  Salix gooddingii La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3182 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  UCR232804  Salix gooddingii John F. Green 2008-4-16 0408- 41 Riverside Peninsular Range; Perris-Aguanga Valley, SW of Romoland, powerline route north of McLaughlin Rd. between Dawson Rd. and I-215 Fwy 436 Comment
  RSA0030840  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside Colorado River, about 800 m. from State Inspection Station, on way to Blythe Bridge. 90 Comment
  RSA0038295  Salix hindsiana H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  JOTR35496  Salix laevigata La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3184 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  UCR22151  Salix laevigata Steve Boyd 1980-5-3 183 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR270567  Salix lasiolepis John F. Emmel 1998-5-2 1546 Riverside San Jacinto Mtns., SW foothills, Bautista Canyon, 0.8 road mile SE of national forest boundary 729 Comment
  UCR18403  Salix lutea var. watsonii A. C. Sanders 1978-5-20 997 Riverside San Jacinto Mtns, James Reserve, beside Indian Creek where road crosses 1646 Comment
  SDSU13042  Salsola tragus James C. Dice, J. Dewald 1987-9-28 730 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. T8S, R3W, northeast 1/4 of northeast 1/4 of section 27. 329 Comment
  UC880180  Saltugilia australis I. W. Clokey and E. G. Anderson 1935-4-16 6830 Riverside e Hemet; e of Hemet 600 Comment
  UC472937  Salvia apiana Mary Fiske Spencer 1914-3-1 Riverside Palm Springs; Colorado Desert Comment
  UC61511  Salvia apiana L. D. Copeland Apr 1904 Riverside West Canyon West Canyon, Palm Springs; Palm Springs Comment
  RSA13816  Salvia apiana var. compacta Victor Duran 1933-7-1 3491 Riverside Near Santa Rosa. Santa Rosa Mountains 1829 Comment
  RSA5471  Salvia apiana var. compacta Carl B. Wolf 1932-5-24 s.n. Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  JEPS62556  Salvia carduacea Carl V. Meyer Jun 1927 151 Riverside hills near Temecula Comment
  SEINET2066007 Image available Salvia carduacea Howard S. Gentry 1981-6-13 23713 Riverside Between Anza and Aguanga. Comment
  OBI30185  Salvia columbariae Chris M. Johnson 1970-3-16 65 Riverside On hwy 77 5 mi outside of Corona at Rancho Hermano entrance Comment
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Mar 22 2014
  POM70146  Salvia columbariae Marcus E. Jones 1906-4-20 s.n. Riverside Indio. Comment
  RSA4382  Salvia columbariae Dorothy R. Wolf 1932-3-20 28 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  RSA777725  Salvia columbariae Jim Andre, G. L. Clifton 2011-2-22 17428 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  SD125662  Salvia columbariae Michael Theroux 1983-4-16 536 Riverside Black Mt, 2.5 Mi W of Lake Isabella at Wofford Hts., N Side of Hwy 155, Boundary of Sequoia Nat Forest 1128 Comment
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Aug 26 2014
  SEINET9373157  Salvia columbariae Unknown 2011-4-6 39022 Riverside Santa Ana Mountains Comment
  SFV4255B  Salvia columbariae W. A. Emboden, Jr. 1962-4-26 2050 Riverside Roadside 2 miles west of Anza on road from Anza to Highway 79. -15 Comment
  UC1537560  Salvia columbariae Gordon H. True Jr. 1935-2-20 5 Riverside Box Springs; Sycamore Canyon 365 Comment
  UC1719472  Salvia columbariae D. Atwood 1993-3-26 17671 Riverside 3 mi N of I-10 along Hwy 62 to Morongo Valley Comment
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Dec 18 2016
  UCSB5770  Salvia columbariae Hawkins, L. 1956-4-14 Riverside at entrance to Whitewater Canyon Comment
  UCSB5789  Salvia eremostachya Wilson, Richard 1958-5-18 Riverside 5 miles East of Pinon Flats Comment
  RSA0042381  Salvia greatae Duncan S. Bell, LeRoy Gross 2014-3-13 6236 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  JEPS62760  Salvia mellifera W. L. Jepson 1901-5-18 1262 Riverside hills e San Jacinto Valley (San Jacinto River); San Jacinto River Comment
  SEINET12872696  Salvia mellifera A. Sanders, Crain, J. 2015-4-3 41557 Riverside Santa Ana Mountains Comment
  VVC296  Salvia mellifera P. J. MacKay 1975-4-12 s.n. Riverside Southern California, Rancho La Sierra, just south of Hwy 91 near Green River Dr. Exit 210 Comment
  UC1234576  Salvia mohavensis Peter H. Raven and David Verity 1960-6-5 15497 Riverside Salton View; Joshua Tree National Monument Comment
  CAS-BOT-BC233341  Salvia vaseyi E. K. Balls; P. C. Everett 1957-8-20 22669 Riverside 6.6 mi. SW along State Hwy. 74 from Palm Villate, jct. State Hwy. 111 502 Comment
  CAS-BOT-BC414253  Salvinia minima R. E. Riefner, Jr. 2011-10-16 11 -142 Riverside City of Lake Elsinore, W of Hwy. 74, S side of Temescal Wash, ca. 0.2 mi N of Baker St., vicinity of Bromley Ave. and Baker St. 382 Comment
  POM88194  Sambucus mexicana P. A. Munz, I. M. Johnston 1924-7-27 8730 Riverside Deer Springs, San Jacinto Mountains 2500 Comment
  UCR121092  Sambucus mexicana A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24974 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  CAS-BOT-BC238859  Sambucus nigra subsp. caerulea H. M. Hall 1901-6-1 2216 Riverside San Jacinto Mountains. Onstatt's Valley 1615 Comment
  UCR132860  Sanicula arguta Kent Beaman 1983-4-24 25 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  SEINET7040185  Sanicula bipinnata A. G. Vestal 1962-3-29 Riverside Canyon south of Murrieta [Sandia Caynon.] Murrieta Quad. UTM Zone 11, 482355mE, 3705515mN. Comment
  CLARK-A1528-1455  Sanicula tuberosa John C. Roos 1937-3-6 1304 Riverside Reche Canyon Comment
  UCR17947  Sarcostemma cynanchoides B. A. Carlson 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns. Corn Springs 488 Comment
  JEPS27437  Sarcostemma cynanchoides subsp. hartwegii W. L. Jepson 1901-5-27 1483 Riverside Aguanga Comment
  JOTR30077  Sarcostemma hirtellum La Doux, Tasha, Bill Truesdell 2006-10-3 1720 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  SEINET206448  Sarcostemma hirtellum Rimo Bacigalupi, Roxana S. Ferris 1958-3-21 6253 Riverside Herbage exuding alliaceous odor. Twining about in a clump of Hilaria rigida in a small wash from the west slope ofthe Big Maria Mts. near the roas to Midland, about 13 miles north of Blythe, elev. 860 ft. 262 Comment
  JOTR34004  Schismus barbatus La Doux, Tasha, M. Harding 2010-4-7 2892 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
  RSA777769  Schismus barbatus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 976 Riverside Road to Priest's Well, east side of Arica Mountains 488 Comment
  UCR114145  Schismus barbatus B. G. Pitzer, J. Ross 1998-3-8 3606 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR174144  Schismus barbatus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32516 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
  UCR89763  Schoenoplectus acutus var. occidentalis Scott D. White 1993-5-27 1435 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  POM6878  Schoenoplectus americanus Phillip A. Munz, L. T. Street, G. Williams 1919-3-26 2335 Riverside Figtree John s Spring, near Salton Sea. -61 Comment
  SEINET9766770 Image available Schoenoplectus americanus Richard Carter 2005-6-25 Riverside Temecula, vic. Via Montezuma crossing of Murrieta Creek, along east bank Murrieta Creek Comment
  UCR235087  Schoenoplectus californicus A. C. Sanders, John F. Green 2012-5-27 40209 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  UCR77690  Schoenoplectus saximontanus Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6338 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  UC1234751  Scrophularia californica Peter H. Raven 1962-4-29 17486 Riverside 1 mi above its e base Ortega Hwy 487 Comment
  UCR41319  Scrophularia californica N. M. Fellows, A. C. Sanders 1985-5-7 180 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA182336  Scrophularia californica subsp. floribunda J. D. Olmsted 1962-5-2 3448 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  UCR147743  Scutellaria mexicana Steve Boyd, Tammy Morgan, Aydee Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11258 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, 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 Chocolate Mountains Aerial Gunnery Range 570 Comment
  UC456124  Scutellaria siphocampyloides I. J. Condit 1910-6-21 Riverside near Idlewild; San Jacinto Mountains 1524 Comment
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Mar 12 2011
  UCR193456  Scutellaria siphocampyloides A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35644 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 1555 Comment
  UCR252625  Scutellaria tuberosa T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-29 7469 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad tree-lined gully 537 Comment
  RSA684086  Selaginella bigelovii Robert Gustafson 1980-5-5 1569 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash 610 Comment
  VVC2879  Selaginella bigelovii Tim Thomas, P. J. MacKay 2010-4-12 5053 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  UC218678  Selaginella eremophila P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4865 Riverside vicinity of Corn Springs; Colorado Desert, Chuckwalla Mts. 762 Comment
  UC813068  Selaginella watsonii P. A. Munz 1922-6-27 5869 Riverside Toro Peak; Santa Rosa Mts. 2529 Comment
  POM98008  Senecio californicus E. C. Jaeger 1926-3-27 s.n. Riverside Bautista Valley 1220 Comment
  CAS-BOT-BC323993  Senecio flaccidus var. douglasii C. L. Hitchcock 1940-4-5 5964 Riverside 3 mi. below Cottonwood Springs. Comment
  CDA27748  Senecio flaccidus var. douglasii Mike Lahti 2008-10-26 PDR# 1509239 Riverside Hemet, found along dry creek bed. 0 Comment
  RSA575920  Senecio flaccidus var. douglasii Steve Boyd 1994-10-14 8384 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  UCR3835  Senecio flaccidus var. douglasii John Minnich 1964-6-5 64-6-5- 01 Riverside Santa Ana Mtns, Hwy 74 610 Comment
  JOTR35442  Senecio flaccidus var. monoensis Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 48 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop1) Comment
  SJSU11728  Senecio flaccidus var. monoensis R. C. McGehee 1970-4-28 236 Riverside 2-5 miles south of Cottonwood Pass Comment
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Aug 30 2013
  UC831930  Senecio flaccidus var. monoensis I. W. Clokey 1935-4-17 6937 Riverside Cottonwood Springs Comment
  RSA727602  Senecio mohavensis Naomi Fraga, Lisa Rojas 2005-2-10 1392 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  IRVC29108  Sesbania herbacea Chet McGaugh 2004-11-15 s.n. Riverside Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River Sonoran (Colorado) Desert -41 Comment
  UC212967  Sesuvium verrucosum I. M. Johnston, P. A. Munz 1918-4-27 2165 Riverside south-eastern end of Lake Elsinore Comment
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Nov 20 2011
  UCR113555  Setaria adhaerens Mitch Provance, J. S. Ross 2000-7-21 2160 C Riverside Jurupa Mtns., Rattlesnake Mtn., Crestmore Heights area, corner of Castellano Rd. and Barcelona Ave. 305 Comment
  RSA338585  Setaria adhaerens A. C. Sanders 1985-8-24 5948 Riverside Near Oasis in the lower Coachella Valley, common weed in a grapefruit orchard on the dirt extension of Ave. 76, 0.4 mi. E if Hwy 195, along the S side of a large drain flowing toward the Salton Sea. Comment