Search Results — 2000 specimen records retrieved (1881 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA519128  Abies concolor F. C. Vasek 1977-11-25 771125 -5 Riverside San Jacinto Mountains, area around Boulder Basin Campground, just below Black Mountain Look Out. Comment
  SBBG113406  Abronia villosa D. Wilken with E. Painter` 2000-11-4 15865 Riverside State Hwy 74, 2.5 mi SE of Hurkey Crk, Garner Valley 1400 Comment
  UC1392988  Abronia villosa R. F. Hoover 1969-4-14 11232 Riverside Just s of s city limit; Palm Springs Comment
  RSA2594  Abronia villosa var. aurita J. T. Howell 1928-7-9 1058 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  RSA461182  Abronia villosa var. aurita N. C. Cooper 1949-3-15 3035 Riverside Palm Springs 122 Comment
  RSA461194  Abronia villosa var. aurita Gale Sphon 1955-5-15 s.n. Riverside 5 miles north of Cathedral City. Comment
  UCR162950  Abronia villosa var. aurita Fred M. Roberts 2005-3-23 6135 Riverside Peninsular Range, Temescal Valley; old Temescal Wash along Temescal Canyon Road, near Glen Ivy Hot Springs, 1.2 km NW of junction with Indian Truck Trail, 3.6 km WSW Estelle Peak 312 Comment
  RSA727392  Acacia greggii Naomi Fraga, Lisa Rojas 2005-2-10 1381 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA784730  Acacia greggii Duncan S. Bell 2012-3-18 3197 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  CAS-BOT-BC30906  Acamptopappus sphaerocephalus L. R. Abrams 1926-3-27 11127 Riverside near Whitewater Comment
  CAS-BOT-BC30912  Acamptopappus sphaerocephalus P. A. Munz 1937-5-29 15151 Riverside Deep Canyon, Santa Rosa Mts. 1066 Comment
  POM308641  Acamptopappus sphaerocephalus var. sphaerocephalus Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3208 Riverside Near Blythe. Comment
  RSA416163  Acamptopappus sphaerocephalus var. sphaerocephalus Anstruther Davidson 1993-4-10 s.n. Riverside Palm Springs. Comment
Read comments
Mar 20 2013
  RSA85573  Achnatherum speciosum J. C. Roos 1952-4-9 5495 Riverside SW face Mountain Rubidoux. 366 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
  HSC85398  Achyrachaena mollis Steve Boyd 1986-4-19 1708 Riverside Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  RSA781740  Achyronychia cooperi Duncan S. Bell 2011-12-30 3032 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCR265815  Acmispon americanus var. americanus Mitch Provance 2012-5-24 512- 05 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  SBBG3417  Acmispon grandiflorus var. grandiflorus H. and M. Dearing 1940-6-9 4363 Riverside Palms to Pines Hwy Comment
  SD167117  Acmispon strigosus A. C. Sanders, T. B. Salvato 2005-4-28 29767 Riverside Gavilan Hills; north of Santa Rosa Road, 1.0 mile southwest of Ida Leona Mine. 625 Comment
  JEPS30394  Adenophyllum cooperi Peter H. Raven and David Verity 1960-6-5 15499 Riverside Queen Valley; Joshua Tree Natl. Monument, Queen Valley Comment
  CAS-BOT-BC139870  Adenostoma sparsifolium Navin 1890-1-1 s.n. Riverside San Jacinto Mts. Comment
  HSC47360  Adenostoma sparsifolium Richard Spjut, C. E. Edson 1978-4-24 4950 Riverside Along Hwy. 71 between jct. of Hwy. 74 and Anza in San Jacinto Mtns. 1372 Comment
  RSA84991  Adiantum capillus-veneris F. W. Peirson 1919-4-13 1521 Riverside First canyon east of Palm Canyon, Palm Springs region. Comment
  CLARK-A1528-1201  Aesculus californica John C. Roos 1966-1-1 Riverside Box Springs Mountains 579 Comment
Read comments
Nov 26 2016
  CLARK-A1528-7824  Agrostis scabra John C. Roos 1937-8-18 494 Riverside San Jacinto Mountains Comment
  UC573817  Agrostis viridis H. S. Yates 1936-8-29 6376 Riverside near Keen Camp; San Jacinto Quadrangle Comment
  OBI39187  Alhagi pseudalhagi Dell O. Clark 1969-7-2 s.n. Riverside 2 mi W of Mecca, Coachella Valley Comment
  CAS-BOT-BC434484  Allionia incarnata Ivan Johnston 1917-4-4 1059 Riverside Colorado Desert. Palm Canyon 231 Comment
  SFV17337  Allionia incarnata J. D. Dilley, J. N. Hogue 108.20 1998-4-23 276 Riverside Sonoran Desert Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  CAS-BOT-BC131982  Allium haematochiton H. M. Hall 1901-6-1 2096 Riverside In the vicinity of Strawberry Valley 1371 Comment
  UC494721  Allium haematochiton Philip A. Munz 1932-3-24 12026 Riverside n Lake Elsinore 304 Comment
  UCR133998  Allium haematochiton Denise Woodard 1998-3-17 s.n. Riverside Murrieta, 1 mile SE of intersection of I-215 and Clinton Keith Rd., proposed Adobe Springs park site 396 Comment
  UCR281565  Allium haematochiton Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-4-4 417- 96 Riverside Gavilan Hills, Proposed SCE transmission route, 0.4 miles NW of Lake St. and Walker Canyon Rd. 418 Comment
  UCR49270  Allium haematochiton Steve Boyd 1986-4-22 1769 Riverside Peninsular Range, Temescal Canyon, E side of Indian Wash, south of I-15 Comment
  RSA740236  Allium lacunosum var. davisiae Scott D. White, Justin M. Wood 2008-6-17 12191 -A Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  SBBG92807  Allium munzii S. Boyd 1986-4-22 1781 Riverside N of summit of Estelle Mtn, Gavilan Hills; T5S R5W NE1/4 NE 1/4 S5 841 Comment
  SJSU7104  Allium munzii N. D. Addy 1962-4-16 Riverside by Railroad Canyon Rd c. 4-5 mi E of Elsinore 396 Comment
  UCR42431  Allium munzii Steve Boyd 1986-4-10 1640 Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon: Along DePalma Road between Indian Truck Trail & Horsethief Canyon, 0.1 mi E [west?] of the Indian Truck Trail exit of Hwy I-15 372 Comment
  UCR63945  Allium munzii D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1784 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  RSA495447  Allium peninsulare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2975 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA556518  Allium praecox Julie Greene 1993-4-10 1130 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. El Casco 7.5 USGS Quad. R2W, T3S, Center of the SW/4 of Section 29. 475 Comment
  UCR199647  Allium praecox Scott D. White, Justin M. Wood 2008-3-25 11772 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UCR125761  Allium triquetrum A. C. Sanders, T. B. Salvato 2003-4-3 25830 Riverside San Bernardino Valley/Upper Santa Ana River, Riverside, UCR campus, between East Campus Drve and Parking Lot 10 335 Comment
  RSA507509  Amaranthus albus S. A. Meyers 1988-6-4 s.n. Riverside Rancho California area, E of Winchester Road, between Auld Rd & Borel Road. 396 Comment
  HSC86937  Amaranthus blitoides S. J. Myers 1987-10-27 Riverside 3 mi. W of Temecula, NE portion of Santa Rosa plateau, 3/4 mi. E of Walker Basin Comment
  UCR113877  Amaranthus blitoides Mitch Provance, A. C. Sanders 2000-7-4 2089 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 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
  RSA644209  Amaranthus fimbriatus V. W. Steinmann 1999-10-26 1419 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  RSA402998  Amaranthus hybridus J. S. Stubblefield 1940-9-27 s.n. Riverside growing on ranch near Temecula Comment
  RSA500109  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3662 B Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA444675  Amaranthus retroflexus J. C. Roos 1965-8-4 s.n. Riverside Arlington Comment
  UCR115993  Amaranthus watsonii A. C. Sanders, G. K. Helmkamp, Pam MacKay 1995-3-12 16077 A Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  CAS-BOT-BC13614  Ambrosia acanthicarpa Lewis S. Rose 1966-12-11 66094 Riverside Palm Springs 152 Comment
  SBBG32343  Ambrosia acanthicarpa L. S. Rose 1966-12-11 66094 Riverside Palm Springs 152 Comment
  UCR3416  Ambrosia acanthicarpa Heidi A. Haid 1964-5-19 64519- 1 Riverside east end of Blaine St. at Box Springs Mtn. 428 Comment
  RSA455874  Ambrosia confertiflora N. C. Cooper 1943-9-10 917 Riverside Banning. 610 Comment
  SD143588  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1970-4-2 Riverside Moreno Badlands, west of Beaumont, south side of Highway 60, 2 miles west of Jackrabbit Trail 686 Comment
  UCR250116  Ambrosia confertiflora A. C. Sanders 2014-4-23 41050 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15, c. midway between Black Powder Rd. and end of Concordia Ranch Rd. 380 Comment
  JEPS40963  Ambrosia dumosa W. L. Jepson 1928-4-25 12618 Riverside dry hills, (at w edge of Eagle Mountains) Cottonwood Springs; Colorado Desert, Joshua Tree National Monumnet, Eagle Mounta 731 Comment
Read comments
Oct 9 2010
  RSA23238  Ambrosia dumosa Ernest Braunton 1940-03 2043 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  RSA27571  Ambrosia dumosa C. L. Hitchcock 1940-3-29 5860 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  UC896715  Ambrosia dumosa C. L. Hitchcock 1940-3-29 5860 Riverside 100 yds e Spring; Cottonwood Canyon Comment
  CAS-BOT-BC272855  Ambrosia salsola A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37434 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
  UC1923764  Ambrosia salsola John L. Strother 2008-3-10 1370 Riverside ca. 18 km (11 miles) W of Chiriaco Summit, along N frontage of I-10 420 Comment
  UCR237690  Ambrosia salsola Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4762 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 600 Comment
  UCSB10223  Ambrosia salsola var. salsola Beeks, Richard 1952-4-4 Riverside Seven miles north of Mecca in Box Canyon Comment
  JEPS45999  Ammannia robusta W. L. Jepson 1912-11-1 5270 Riverside near Blythe (Palo Verde Valley); Palo Verde Valley 45 Comment
  UCR161033  Ammi majus B. G. Pitzer 1993-5-6 s.n. Riverside Riverside, in the yard of the Pitzer residence, Wendel Way 335 Comment
  POM49026  Amorpha californica Charlotte M. Wilder 1905-4-14 s.n Riverside North slope of Jurupa Hills. Comment
  UC597728  Amorpha fruticosa Philip A. Munz 1937-5-30 15111 Riverside Dos Palmos Spring Santa Rosa Mts. (n end of mts.) 1097 Comment
  CAS-BOT-BC213972  Amsinckia John H. Thomas 1957-3-29 6515 Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks 609 Comment
  SEINET12519191  Amsinckia douglasiana Rea Raymond 1962-1 269 Riverside 3 mi. N of Elsinore on State Highway #91. Santa Ana Mts. 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
  UCR228425  Amsinckia intermedia Dave Silverman, Jeanette Duffels 2010-3-23 7821 Riverside Sonoran (Colorado) Desert, Dunes at SSE tip of Palen Dry Lake, one km SW of Palen Dunes drive, 4.2 km N of I-10, 7.4 km ESE of Sidewinder Well 130 Comment
  RSA0089615  Amsinckia intermedia Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3080 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  UCR178562  Amsinckia tessellata R. G. Swinney 1967-3-5 065 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  JEPS5096  Amsonia tomentosa Roxana S. Ferris and R. Bacigalupi 1953-4-20 12637 Riverside ca. 4 mi. n. of Shaver summit (rd. to Lost Palms Canyon) 883 Comment
  RSA450911  Anagallis arvensis Stephen M. Beckstrom-Sternberg 1986-12-2 1115 Riverside UC Riverside, growing in bank next to glasshouse # 20. Comment
  RSA560372  Anagallis arvensis Steve Boyd 1992-4-14 6810 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
  RSA523525  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3984 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCD56048  Andropogon glomeratus Lewis S. Rose 1945-12-23 45298 Riverside Colorado Desert, Palm Springs. 137 Comment
  CAS-BOT-BC400335  Anemopsis californica Carl B. Wolf 1939-5-31 3738 Riverside 1 mi. no.w. of Santa Ana River, 6 mi. from Corona on Chino road Comment
  RSA700939  Anemopsis californica Michael Wall 2000-7-16 144 Riverside San Jacinto Valley: South side of Ramona Expressway, 0.5mi. E of Sanderson Ave. in swale along agricultural field fence. 457 Comment
  UCR150019  Anemopsis californica Scott D. White, Angelia Carey 2004-5-7 10341 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  RSA416652  Anisocoma acaulis Gary D. Wallace 1964-4-26 s.n. Riverside Pinyon Flats. Comment
  UC218084  Antennaria rosea P. A. Munz 1922-9-7 6403 Riverside Tamarack Valley San Jacinto Mts., Tamarack Valley 2804 Comment
  UC63070  Antennaria rosea H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley San Jacinto Mountains, Tamarack Valley 2834 Comment
  RSA773668  Antirrhinum coulterianum Duncan S. Bell, Joy D. England 2010-5-20 1031 Riverside San Bernardino National Forest: Garner Valley, approximately 2 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1374 Comment
  UC672557  Antirrhinum coulterianum Herbert L. Mason 1926-5-2 3194 Riverside Aguanga Valley Comment
  UCR20951  Antirrhinum coulterianum A. C. Sanders 1978-7-1 86 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  UC64224  Antirrhinum nuttallianum subsp. nuttallianum H. M. Hall 1897-6-1 Riverside Riverside foothills Riverside Comment
  RSA561086  Aphanes arvensis Steve D. Boyd 1992-4-22 6995 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA356759  Apiastrum angustifolium R. F. Thorne 1973-5-23 45534 Riverside Santa Rosa Plateau-Mesa De Colorado 609 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
  UC1262266  Apiastrum angustifolium C. W. Tilforth 1978-4-30 1571 Riverside e of Norco Comment
  UCR116968  Apiastrum angustifolium A. C. Sanders, T. B. Salvato 2001-5-3 24093 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UC64653  Arabis glabra H. M. Hall 1897-6-17 654 Riverside Strawberry Valley San Jacinto Mountains 1615 Comment
  RSA0037318  Arabis holboellii John F. Emmel 1993-5-30 1262 Riverside San Jacinto Mts.; along Pacific Crest Trail 0.3-0.6 mile SE of Fobes Saddle. 1859 Comment
  RSA740235  Arabis johnstonii Scott D. White, Justin M. Wood 2008-6-17 12191 -C Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  RSA477453  Arabis pulchra M. B. Dunkle 1935-3-31 4436 Riverside Hills North Cottonwood Springs. Colorado Desert. 701 Comment
  UC1078932  Arceuthobium campylopodum Job Kuijt 1958-3-14 1497 Riverside 0.6 mi se Keen Camp Summit (Hwy 74); San Bernardino Mtns Comment
  SEINET2117589  Arceuthobium cyanocarpum R. L. Mathiasen, C M. Daugherty 2009-8-5 09 -27 Riverside North slope of Tahquitz Peak. 0.3 km west of the jct. of the Tahquitz Peak Trail and the Tahquitz Valley Trail along the trail to Tahquitz Peak. 2620 Comment
  RSA629371  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16858 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629451  Arctostaphylos glandulosa Jon E. Keeley 1992-7-16 16566 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA783660  Arctostaphylos glandulosa J. D. Olmsted 1959-4-10 344 Riverside 3 mi S of Banning on Hwy to Idyllwild. Drainage into San Gorgonio Pass. 762 Comment
  UCR44194  Arctostaphylos glandulosa subsp. glandulosa A. C. Sanders 1986-6-1 6549 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  RSA629367  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16819 Riverside Hwy 234, 3 km N of Hwy 74, San Jacinto Mtns. 1520 Comment
  UC1506090  Arctostaphylos glauca R. T. Clausen 1963-4-21 63056 Riverside summit of ridge between Weber Valley and Reed Valley; Transverse Ranges Comment
  RSA633628  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22660 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633673  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20110 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633675  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20154 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633676  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20140 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633687  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16654 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633750  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21783 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  POM12980  Arctostaphylos pringlei subsp. drupacea P. A. Munz, I. M. Johnston 1922-5-20 5490 Riverside Head of Hemet Valley, San Jacinto Mts. 1524 Comment
  RSA748159  Arctostaphylos pringlei subsp. drupacea K. M. Meyer, A. Townesmith, T. Scott 2007-3-16 15 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 miles S on Hwy 243 (off I-10). 1632 Comment
  RSA635793  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16824 Riverside Idyllwild, saunders Mdw. Rd., E of Hwy 243, San Jacinto Mtns. 1610 Comment
  RSA635795  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16590 Riverside Standley Rd., south of Red Mtn. Rd., 8.5 km east of R3. 900 Comment
  RSA635796  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16538 Riverside Red Mountain Road, 6-6.8 km east of R3. 1015 Comment
  UC876487  Arctostaphylos pungens Munz and Johnston 1922-5-20 5491 Riverside head Hemet Valley; San Jacinto Mts. 1524 Comment
Read comments
Mar 13 2011
  UCR100217  Arctostaphylos pungens Scott D. White 1992-12-16 987 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  SEINET7267028  Arctostaphylos pungens E. K. Balls 1949-5-4 13485 Riverside San Jacinto Mts., 0.5 mile south of Vista Grande Ranger Station. 1494 Comment
  CAS-BOT-BC401605  Argemone corymbosa subsp. corymbosa J. H. Thomas 1949-4-23 455 Riverside 9 miles north of Desert Center, near Boulder Well, on highway between Desert Center and Rice Comment
  RSA105974  Argemone munita subsp. munita Gerald B. Ownbey, Findley Ownbey 1954-8-7 2178 -a Riverside 9.7 mi., s.e. of Idyllwild, Hemet Valley road; 1372 Comment
  RSA221051  Argemone munita subsp. robusta E. W. Lathrop 1966-5-8 6403 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA0040101  Argythamnia neomexicana Duncan S. Bell, LeRoy Gross 2014-3-13 6243 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  CAS-BOT-BC137651  Aristida adscensionis Ira L. Wiggins 1941-3-27 9676 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  HSC34949  Aristida adscensionis R. W. Spjut 1972-2-1 2164 Riverside Colorado Desert, N base of Chuckawalla Mts., 3 to 4 mi. S of Desert Center 305 Comment
  RSA700961  Aristida adscensionis Gary D. Wallace 1982-5-15 2006 Riverside Palms to Pines Highway (74), San Bernardino National Forest. 1 mi. E of Pinyon Pines Camp. Comment
  RSA774926  Aristida adscensionis Duncan S. Bell 2011-4-7 2166 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  SEINET192378  Aristida adscensionis I. L. Wiggins 1941-3-27 9676 Riverside South end of Coxcomb Mountains 8 mi northeast of Desert Center. Comment
  SEINET3223161 Image available Aristida adscensionis George Helmkamp 1995-3-16 Riverside Colorado Desert; desert pavement on alluvial fan below rocky slopes of Coxcomb Mountains, W of Rice Road, 10.3 miles NE of Desert Center. 200 Comment
  UCR175235  Aristida californica var. californica Jim Andre, T. La Doux 2006-4-11 6739 Riverside S Mojave Desert, Pinto Basin: c. 1 mi N of Pinto Basin Rd. (paved), in the Sand Hill area 527 Comment
  CLARK-A1528-4479  Aristida purpurea John C. Roos 1965-9-26 Riverside Palm Springs 0 Comment
  JOTR29524  Aristida purpurea var. nealleyi La Doux, Tasha 2003-9-4 1576 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam 1280 Comment
  JOTR34349  Aristida purpurea var. nealleyi Andre, Jim 2012-4-11 20698 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  SEINET191857 Image available Aristida purpurea var. nealleyi C. L. Hitchcock 1940-3-30 5871 Riverside Cottonwood Spring Comment
  RSA595706  Armoracia rusticana R. E. Riefner 1996-9-30 96 -161 Riverside Community of El Cerrito, Minnesota Road & Temescal Wash Comment
  SEINET7048062  Artemisia californica Steven R. Hill 2001-4-29 33539 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
  UCR239462  Artemisia californica Thomas R. Stoughton, E. Gardner, D. Bell 2010-11-12 718 Riverside Transverse Ranges; San Bernardino Mountains, Pacific Crest Trail, west of White Water Canyon, north of the junction of Hwy I-10 and Rte 111 732 Comment
  IRVC492  Artemisia dracunculus R. H. Whittaker, W. A. Niering 1963-6-11 SJ 373 Riverside Santa Rosa Rd., slope W-5 degree draw, mostly sandy soil, occasional boulders. Santa Rosa Mountains 1601 Comment
  RSA556509  Artemisia dracunculus Julie Greene 1993-4-10 1170 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 475 Comment
  SEINET10723671  Artemisia ludoviciana David B. Dunn 1946-8-17 Dunn 2701 Riverside On trail to Taquitz from Taquitz Valley campground. On dry hillside among bracken ferns. Comment
  RSA692221  Artemisia ludoviciana subsp. incompta Scott D. White 2003-10-9 9824 Riverside Pine Cove. Lily Creek just north of crossing at Hwy 243. 1738 Comment
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May 1 2014
  RSA417353  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1931-10-4 171 Riverside San Jacinto Mountains. Strawberry Valley 1585 Comment
  UCR4346  Artemisia nova L. B. Ziegler 1964-7-11 s.n. Riverside San Jacinto Mtns., 2 mi NE of Kenworthy Ranger Station Comment
  RSA682325  Artemisia vulgaris O. F. Clarke 2000-12-9 s.n. Riverside Riverside: in yard of O.F. Clarke residence at 266 Frost Court. 360 Comment
  RSA496476  Asclepias californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3095 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  UCR89873  Asclepias erosa J. M. Stewart 1990-9-23 660 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  RSA0108822  Asclepias subulata Duncan S. Bell, Amanda Turek 2009-3-30 181 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA0112046  Asclepias subulata Duncan S. Bell 2009-10-9 492 Riverside Collecting in the southern central interior section of the Arica Mountains. 469 Comment
  UCR119439  Aster ascendens A. C. Sanders, Mitch Provance 1999-9-26 23103 Riverside San Jacinto Mountains, Garner Valley, along Hwy 74 east of the upper end of Hemet Lake, SE of Lake Hemet store 1326 Comment
  SBBG3151  Astragalus aridus H. and M. Dearing 1938-3-5 1978 Riverside between Blythe and Desert Center Comment
  RSA0123085  Astragalus coccineus Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8968 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA670366  Astragalus crotalariae B. C. Templeton 1930-3-22 1637 Riverside Palm Springs. 400 Comment
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Jan 4 2012
  UC517559  Astragalus didymocarpus var. dispermus John Thomas Howell 1928-3-11 3440 Riverside 6 mi se Garnet Station (Colorado Desert); , se of Garnet Station 152 Comment
  UCD104743  Astragalus douglasii var. parishii R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  RSA0006768  Astragalus insularis var. harwoodii J. C. Roos, Lucille Roos 1949-4-11 4241 Riverside Corn Spring, Cuckawalla Mts. Comment
  RSA627041  Astragalus lentiginosus var. coachellae Don Mitchell 1998-4-18 s.n. Riverside Coachella Valley. SW of Edom / 1000 Palms RR siding: along access road to Pacific Bell cellular phone antenna. Nar the point where 300 ft. contour line intersects section line between sects. 19 and 30. 91 Comment
  UCR112975  Astragalus nuttallianus B. G. Pitzer, T. Tennant 1998-2-21 3533 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi.le SE of the pumping station 412 Comment
  SEINET6744644 Image available Astragalus oocarpus Marcus E. Jones 1882-1 3166 Riverside San Jacinto, CA Comment
  RSA605939  Astragalus pachypus var. jaegeri R. S. Woglum 1941-5-17 3053 Riverside Horse Canyon off of Coyote Canyon. Comment
  UCR95238  Astragalus pachypus var. jaegeri D. L. Banks, Dylan Hannon 1996-5-3 1000 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills south of Hwy 79; east of the Dripping Spring Campground; c. 300 m east of the Dripping Springs Guard Station 488 Comment
  RSA415400  Astragalus palmeri B. C. Templeton 1930-3-22 1637 Riverside Palm Springs. 400 Comment
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Aug 27 2011
  RSA415661  Astragalus pomonensis Anstruther Davidson 1892-5-23 s.n Riverside Banning. Comment
  RSA498264  Astragalus pomonensis B. C. Templeton 1931-4-23 19212 Riverside Between Perris and Gavilan Peak. Comment
  CAS-BOT-BC193164  Astragalus sabulonum S. B. Parish 1913-2-7 8450 Riverside Mecca, Salton Sink 60 Comment
  SEINET3134680  Astragalus sabulonum L. S. Rose 1938-2-1 38011 Riverside 10 mi W of Blythe 122 Comment
  CDA10363  Atrichoseris platyphylla T. C. Fuller 1963-4-23 10279 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  POM311101  Atrichoseris platyphylla H. K. Sharsmith 1952-4-8 4051 Riverside Pinto Mts near Meek Mine and 2.5 miles beyond Mission Well 579 Comment
  RSA774923  Atrichoseris platyphylla Duncan S. Bell 2011-4-7 2169 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  UC665903  Atrichoseris platyphylla Ira L. Wiggins 1941-3-27 9681 Riverside 8 miles northeast of Desert Center (south end of Coxcomb Mountains); Coxcomb Mountains Comment
  UCR101566  Atrichoseris platyphylla 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
  UCSB6372  Atrichoseris platyphylla Foley, Marie 1953-4-23 Riverside 11 miles east of Indio Comment
  SEINET9118525  Atrichoseris platyphylla E. Adams 1978-1 S.N. Riverside Mecca, Box Canyon. Desert wash. Comment
  UCR116935  Atriplex argentea A. C. Sanders, D. Malueg 2001-5-17 24359 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  POM278665  Atriplex canescens Grant D. Brown 1949-12-14 471 Riverside 1/2 mile west of Indio city limits on Hwy 99. Comment
  POM318799  Atriplex canescens Patricia Wilder 1971-9-29 5282 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
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Mar 27 2011
  RSA696732  Atriplex canescens J. R. Bruff 1927-11-26 36 Riverside Cottonwood Springs. Comment
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Sep 20 2011
  RSA763548  Atriplex canescens Doris Hoover Bowers 1967-12-26 204 Riverside Durhams Siding E. side of Salton Sea -3 Comment
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Jun 16 2013
  UC1929840  Atriplex canescens Scott D. White, Angelia Carey and Linda Archa 2004-8-5 10685 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Comment
  UCR134613  Atriplex canescens Marisa Sripracha, Kyle Boyd 2004-2-14 020 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR41323  Atriplex canescens N. M. Fellows 1984-11-12 31 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-BC170207  Atriplex canescens subsp. canescens W. M. Ingram 1934-10-1 9 Riverside Caleb Comment
  OBI17344  Atriplex canescens var. laciniata Louis C. Wheeler 1931-11-27 379 Riverside 2 mi SE Salton Bench Mark 76 Comment
  JOTR35915  Atriplex canescens var. linearis De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6863 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 822 Comment
  RSA5452  Atriplex canescens var. linearis C. B. Wolf 1932-10-13 s.n. Riverside NE side of S.P.R.R. at Durmid on N.E. side of Salton Sea -61 Comment
  SJSU5681  Atriplex canescens var. linearis Lewis S. Rose 1966-12-11 66096 Riverside Palm Springs 152 Comment
  RSA532570  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2180 Riverside 3km west of Nuevo ans some 20m east of the San Jacinto Rover. The population is some 300m south of the end of 11th street just east of an exisitng dirt road. 473 Comment
  RSA596931  Atriplex coronata var. notatior G. R. Ballmer 1996-4-14 s.n. Riverside Lake Elsinore area, S of I 15 along E side of Nichols Rd. Comment
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Dec 9 2014
  SBBG129044  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-8-17 13 -190 Riverside City of Lake Elsinore, along Collier St and Hwy 74 S to Temescal Wash 393 Comment
  RSA784979  Atriplex lentiformis Duncan S. Bell 2012-3-18 3223 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  SEINET4135315  Atriplex linearis Stewart C. Sanderson 1993-11-18 93 -040 Riverside Mile 6, CA 11, Salton Sea, beaches turnoff.; 0 Comment
  RSA65378  Atriplex polycarpa F. W. Peirson 1927-11-25 s.n. Riverside Thousand-Palm Canyon, edge of Coachella Valley. Comment
  UC850908  Atriplex polycarpa Carl B. Wolf 1932-10-13 4317 Riverside 4 1/2 mi se Mecca (Caleb (S. P. R. R. Siding), Colorado Desert); Colorado Desert, Caleb, se of Mecca -60 Comment
  SD122871  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Murrieta area, Clinton Keith Road, just east of the Bear Creek development golfcourse. Comment
  UC7042  Atriplex serenana var. serenana unknown 1896-7-8 Riverside Elsinore Comment
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Mar 12 2011
  UCR206019  Atriplex serenana var. serenana John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  UCR213868  Atriplex serenana var. serenana Scott D. White 2009-8-10 13355 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, c. 0.5 mi north and south of the Main Street Bridge 306 Comment
  UCD97686  Atriplex suberecta D. E. Bramlet 1989-7-3 1932 Riverside Perris-Aguanga Basin region; Diamond Valley, Searl Ranch, just off the ranch entrance road, 6.7 km S of Hemet; 2.7 km W of State Street, and 600 m N of Newport Road. 482 Comment
  UCR125305  Atriplex suberecta A. C. Sanders 2002-11-21 25646 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UCR207304  Atriplex suberecta John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  UCR256784  Atriplex suberecta T. B. Salvato, Matthew Malle 2013-5-20 7579 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  RSA0042643  Avena barbata Diane M. Ramirez 1983-5-15 27 Riverside Poppet Flat Divide Truck Trail, 3 mi S of junction with CA Hwy 243, S of Banning. Angelus Hill. 1253 Comment
  SD137968  Avena fatua Darin L. Banks, Steve Boyd 1995-5-9 321 Riverside NW Palomar Mtns, N of the Agua Tibia Wilderness Area, N slope of Agua Tibia Mtns, the Dorland Mt., area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground 730 Comment
  RSA614131  Avena fatua D. L. Banks 1997-2-23 1298 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  SDSU14320  Azolla filiculoides Michelle Perl 2002-4-20 13 Riverside Santa Margarita Ecological Reserve 1/8 mile east of the junction between Santa Margarita River and Via Tornado Road. 229 Comment
  CAS-BOT-BC106736  Baccharis salicifolia Scott D. White 1996-4-14 3904 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 548 Comment
  CAS-BOT-BC106737  Baccharis salicifolia Elizabeth H. Daniels 1932-3-8 s.n. Riverside Mission Canyon, just south of Morongo Valley, Little San Bernardino Mountains Comment
  JOTR29284  Baccharis salicifolia La Doux, Tasha 2003-9-4 1574 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1280 Comment
  POM350373  Baccharis salicifolia Christopher Davidson, Robert Gustafson 1977-4-7 5577 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope 610 Comment
  CAS-BOT-BC106632  Baccharis salicina Edmund C. Jaeger 1938-11-3 s.n. Riverside Dos Palmos Spring 60 Comment
  POM350455  Baccharis sergiloides H. de Forest 1933-4-16 17592 Riverside Chino Canyon, Colorado Desert, E of Coachella Valley Comment
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Mar 28 2011
  POM350456  Baccharis sergiloides L. C. Wheeler 1933-12-1 2292 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  POM47794  Baccharis sergiloides Mary F. Spencer 1918-3-29 781 Riverside Palm Springs 137 Comment
  RSA314397  Baccharis sergiloides R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55405 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA645608  Baccharis sergiloides Scott D. White, Steve Ogg 1994-4-21 1963 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  RSA696129  Baccharis sergiloides A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24601 Riverside Mojave Desert, Little San Bernardino Mtns.: Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1341 Comment
  RSA771791  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4807 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  POM294110  Bahiopsis parishii Lyman Benson 1946-4-15 12044 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  RSA442010  Bahiopsis parishii Ora M. Clark 1929-3-16 1719 Riverside N. of Whitewater, Colorado. Comment
  CAS-BOT-BC99957  Baileya pauciradiata L. A. Greata 1905-4-1 425 Riverside Coachella Comment
  SBBG65721  Baileya pauciradiata M. N. Ackley -Feb-1926 267 Riverside near Edom 64 Comment
  RSA557871  Barbarea orthoceras Steve Boyd, Orlando Mistretta 1992-4-23 7059 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  RSA502593  Bassia hyssopifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3729 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 457 Comment
  CDA10492  Bebbia juncea T. C. Fuller 1962-10-2 9698 Riverside Hayfields, north of Highway 60-70 to Indio, ca. 14 miles west of Desert Center. 0 Comment
  RSA480024  Bebbia juncea Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2151 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR199615  Bebbia juncea Scott D. White, Angelia Carey 2004-7-2 10563 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR202045  Bebbia juncea Denise Woodard, Gilbert Goodlet 1997-3-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UCR21998  Bebbia juncea Steve Boyd 1980-7-12 332 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR96198  Bebbia juncea B. G. Pitzer 1996-11-9 2925 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  UCSB16944  Bebbia juncea Winn, Will 1963-4-8 Riverside 39.4 miles west of Desert Center on U.S. Highway 60-70 152 Comment
  UCSB6400  Bebbia juncea Graney, Don 1953-5-20 Riverside 11 miles east of Indio, Colorado Desert Comment
  SEINET10616170  Bebbia juncea David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2869 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  CAS-BOT-BC100116  Bebbia juncea var. aspera Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9555 Riverside In wash 1 mile below Cottonwood Springs Comment
  LA35103  Bebbia juncea var. aspera Louis Wheeler; 1952-4-6 sn Riverside Box Canyon Comment
  RSA125251  Berberis haematocarpa E. K. Balls 1957-11-19 22822 Riverside Grown in Botanic Garden, alt. 1300 ft., from seed collected Aug. 20, 1957, by E. K. Balls & P. C. Everett, 6.6 mi. sw. along State Hwy 74 from Palm Village (jct. with State Hwy 111), Riverside Co. 396 Comment
  POM219102  Berberis nevinii F. M. Reed 1932-6-20 7242 Riverside One half mile east of Dripping Springs on road from Temecula to Aguanga. Comment
  UCR66985  Bidens laevis S. J. Myers 1990-12-10 s.n. Riverside Santa Ana River Valley, Louis Rubidoux Nature Center: along the drainage that connects to the Sunnyslope channel and to the confluence with the Santa Ana River 214 Comment
  CLARK-A1528-1653  Bidens pilosa John C. Roos 1951-9-25 5264 Riverside Riverside 259 Comment
  RSA594786  Bloomeria crocea Darin L. Banks, Dylan Hannon 1996-5-3 981 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  UCR107753  Bloomeria crocea D. L. Banks 1997-5-5 1999 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  SEINET3162697  Boechera johnstonii M. D. Windham 2004-3-31 2954 Riverside SE of Lake Hemet in canyon above Kenworthy Station ca. 2.82 km WSW of the summit (6868) of Lion Peak 1605 Comment
  RSA714627  Boerhavia coccinea B. Pitzer 2001-8-19 4338 Riverside Peninsular Range, Santa Rosa Mountains: Carrizo Canyon, sheep guzzler ca. 0.5 mi. SW of where Hwy 74 crosses canyon. 701 Comment
  CAS-BOT-BC434514  Boerhavia diffusa J. Smeaton Chase 1916-7-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  POM246588  Boerhavia wrightii E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, Chuckawalla Mts, Colorado Desert. 366 Comment
  POM246652  Boerhavia wrightii E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, Chuckawalla Mts, Colorado Desert. 366 Comment
  RSA0027474  Boerhavia wrightii Deidre Conocchioli, Billy Sale, Naomi S. Fraga 2013-9-25 52 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  UCR163736  Boerhavia wrightii B. G. Pitzer 2000-11-4 4240 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  UCR17655  Boerhavia wrightii Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  RSA778511  Boerhavia wrightii Amber Swanson 2011-10-9 646 Riverside On both sides of Hwy I-10 btwn Desert Center and Hayfields exits. 234 Comment
  RSA552689  Bothriochloa barbinodis Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6697 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon 305 Comment
  RSA659621  Bouteloua aristidoides J. C. Roos 1965-9-5 s.n. Riverside Desert center. Comment
  UCSB51414  Bouteloua aristidoides Roos, John 1965-9-5 Riverside Desert Center Comment
  POM192679  Bouteloua barbata Marcus E. Jones 1929-9-16 24717 Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  JEPS8276  Bouteloua barbata var. barbata Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-4-1 3602 Riverside along State Hwy 111 just opposite northern end of the Salton Sea -57 Comment
  RSA716109  Bouteloua barbata var. barbata Michael Wall 2006-10-8 422 Riverside South Fork San Jacinto River east of Hemet along Hwy 74 past Cranston Ranger Station. Just off the highway towards the river. 638 Comment
  RSA778407  Bouteloua barbata var. barbata Stephanie Rockwood, Christi Gabriel 2011-10-5 61 Riverside Ship Creek. Corn Springs Rd Exit from I10. Take Chuckwalla Valley Rd to Dupont Rd. Follow approximately 5 miles. Chuckwalla Mountains Wilderness Area. 341 Comment
  CAS-BOT-BC95428  Bowlesia incana E. A. Zumbro 1902-4-1 s.n. Riverside Box Springs Mtn. Comment
  SEINET4691502  Bowlesia incana A. C. Sanders 2012-1 39991 Riverside Peninsular Range; Elsinore Valley: city of Lake Elsinore, long Riverside Dr. (HWY74) NE of Baker St. at edge of temescal Creek 384 Comment
  UCR207518  Bowlesia incana O. F. Clarke 2004-3-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  HSC87004  Boykinia rotundifolia F. C. Vasek 1987-7-14 8707141 Riverside Vista Grande Road (3508) 1 mile E of Banning-Idyllwild Road (SH234) 1524 Comment
  POM254737  Brandegea bigelovii P. A. Munz 1940-3-24 15695 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 Comment
  RSA394244  Brandegea bigelovii M. B. Dunkle 1935-4-17 4564 Riverside W. of Wiley Well. Colorado Desert. Comment
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Dec 14 2011
  RSA644218  Brandegea bigelovii V. W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-12 1359 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10. 600 Comment
  SDSU5829  Brandegea bigelovii D. F. Howe 1952-4-27 2188 Riverside Box Canyon, east of Mecca. Comment
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Jan 24 2013
  RSA727083  Brassica tournefortii Naomi Fraga, Lisa Rojas 2005-2-10 1372 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA771748  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4610 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCD114704  Brassica tournefortii Ira L. Wiggins; Dorothy B. Wiggins 1966-2-22 20462 Riverside Along Highway 60 about 1.5 mi. SE. of Garnet Hill. Comment
  UCR113208  Brassica tournefortii A. C. Sanders 1998-2-19 21653 Riverside San Bernardino Mountains, mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  RSA595705  Brickellia R. E. Riefner 1996-8-27 96 -153 Riverside Lee Lake, W side of Temescal Wash near Indian Truck Rd. & I-15. Comment
  UCR89589  Brickellia arguta Bern Schwenn 1994-4-29 s.n. Riverside Little San Bernardino Mtns., Joshua Tree National Monument [now J.T. National Park], east of Lost Horse Mtns, near Mystery Hole 1315 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
  SBBG94645  Brickellia californica S. D. White 1990-10-2 Riverside Vail Lake area, Hwy 79, immediately W of Dripping Springs Guard Stn; T8S, R 1W, S22, W/2 487 Comment
  UCR91653  Brickellia californica D. L. Banks, Steve Boyd 1995-10-26 0832 Riverside NW Palomar Mtns, Agua Tibia Mtns, along the Woodchuck Trail, c. 0.7 mi. from the Wilderness Boundary 713 Comment
  RSA444676  Brickellia desertorum J. C. Roos 1965-9-12 s.n. Riverside Tin Mine Canyon, 3 mi. SW of Corona. 549 Comment
  UCR140894  Brickellia desertorum Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  UCR19256  Brickellia incana John C. Roos 1947-11-1 3751 Riverside Sonoran (Colorado) Desert, Eagle Mountains, mouth of Lost Palms Canyon, & up the canyon some distance Comment
  UCR68043  Brodiaea filifolia D. E. Bramlet 1991-5-9 3024 Riverside San Jacinto Valley, 20 m east of California Ave., NE of the intersection of California Ave. with Marvin Hull Rd 498 Comment
  SD114890  Brodiaea terrestris subsp. kernensis Earl W. Lathrop 1979-5-16 Riverside Mesa de Colorado, 6 miles west, Murrieta. About vernal pools, border of pools in the grassland. (IPB 2/08) Comment
  UCR213833  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2009-5-21 12848 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  CAS-BOT-BC149333  Bromus arizonicus H. K. Wagnon 1944-3-19 349 Riverside Along South rim of Tahquitz Canon [Canyon], Palm Springs. Comment
  UCD58781  Bromus hordeaceus M. D. Wilcox 2003-5-13 s.n. Riverside French Valley. 'Greenway site' along Tucalota Creek. Ca. 1 mile east of Murrieta Hot Springs. 396 Comment
  UCR117651  Bromus hordeaceus Scott D. White, M. Jacobsmeyer 1996-4-20 3970 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  RSA586493  Bromus hordeaceus D. L. Banks, Steve Boyd 1995-5-9 324 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
  JOTR35916  Bromus madritensis subsp. rubens De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6864 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 822 Comment
  UC34040  Bromus madritensis subsp. rubens H. M. Hall 1901-6-10 2074 Riverside San Jacinto Mountain, Chalk Hill Chalk Hill; San Jacinto Mountain, Chalk Hill Comment
  UC1583851  Bromus richardsonii Michael Curto and Linda Allen 1990-8-23 693 Riverside 2 km e of Toro Campground (Santa Rosa Mountains, Toro Peak, Santa Rosa Mt. Rd (SBNF 7S02); along the n slope of Santa Rosa/Toro Peaks); Santa Rosa Mountains, Toro Peak, Santa Rosa Mt. Rd 2415 Comment
  SBBG97302  Bromus rubens W. L. Halvorson 1977-3-13 77 -181 Riverside near Temecula Comment
  SEINET3923284  Bromus rubens D. Atwood, L. Stritch 1993-4-2 17890 Riverside Santo Rosa Plateau TNC Preserve & adjacent to BLM administrated lands.; 0 671 Comment
  UCR174040  Bromus rubens A. C. Sanders 2006-5-19 32462 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  POM10016  Bromus rubens C. F. Baker 1909-05 s.n. Riverside Riverside. Comment
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Jun 30 2012
  UCR115995  Bromus tectorum A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23317 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
  UCR120918  Bromus tectorum A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24938 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR241785  Bromus tectorum A. C. Sanders, Timothy W. Chumley 2013-4-1 40722 Riverside Peninsular Range; Elsinore Valley, Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  UCR119269  Caesalpinia gilliesii Mitch Provance 1998-6-24 746 Riverside Jurupa Mountains, Glen Avon Heights, area north of the end of Lindsay St. 253 Comment
  RSA605770  Caesalpinia virgata A. C. Sanders 1995-5-23 17125 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., near the mouth of Martinez Cyn., at end of 72nd Ave. 25 Comment
  SEINET12804035  Caesalpinia virgata Chris Dietrich, M. Merello & H. Schmidt 1994-1 25 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road. BLM land. Desert Access Guide Map #17. 358 Comment
  UCR249821  Calandrinia ciliata T. B. Salvato, John Lovio 2013-3-19 7359 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  NY409595  Callitriche marginata R. F. Thorne 1969-5-12 37925 Riverside Santa Rosa Plateau: large vernal marsh on S end of Mesa de Colorado, Rancho California Comment
  UCR281127  Callitriche marginata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 33 Riverside Perris-Aguanga Basin, Menifee, SE corner of Musick Rd. and Murrieta Rd. 454 Comment
  RSA572048  Calocedrus decurrens C. Epling 1931-10-4 246 Riverside Strawberry Valley, San Jacinto Mountains; on mountainside. 1584 Comment
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Sep 22 2013
  SD229032  Calocedrus decurrens Dick Schwenkmeyer 2012-8-27 804 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  UCR154627  Calochortus A. C. Sanders, Mike Misenhelter 2005-6-15 30994 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
  CSUSB393  Calochortus albus Bill Marks 1971-5-16 Riverside Santa Ana Mountains Found in Santa Ana Mountains, Rancho California area near De Luz. Growing on the roadside. Comment
  RSA0120439  Calochortus concolor Duncan S. Bell, LeRoy Gross 2016-5-18 9596 Riverside Santa Rosa Mountains; west side of Martinez Mountain; hills in the northern section of Little Pinyon Flat. 1316 Comment
  JOTR33957  Calochortus kennedyi var. kennedyi La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2843 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  RSA786960  Calochortus weedii var. weedii Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49545 Riverside Santa Ana Mountains: along Ortega Highway (74), about 2 miles SSW of El Cariso Comment
  UCR48370  Calycadenia tenella Steve Boyd 1986-5-7 1826 Riverside Temescal Canyon, Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  JOTR34395  Calycoseris parryi Andre, Jim 2012-4-16 20926 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  RSA49375  Calycoseris wrightii Philip A. Munz 1949-4-12 13038 Riverside Mojave Desert, SE part of Pinto Basin. sandy wash Comment
  UCR279335  Calycoseris wrightii A. C. Sanders, Jim Malusa 2017-3-23 42924 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
  HSC17652  Calyptridium monandrum C. L. Hitchcock, C. V. Muhlick 1964-3-17 23089 Riverside 0.5 mi. SE of Glen Ivy Hot Springs Comment
  UC1584109  Calyptridium monandrum Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3833 Riverside at n side of mouth of Temecula Creek Canyon (and adjacent benches on s flank of Big Oak Mountain); Vail Lake Area, Temecula Creek Canyon 396 Comment
  UCR256759  Calyptridium monandrum T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7889 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
  UCR41302  Calyptridium monandrum N. M. Fellows, A. C. Sanders 1985-4-9 145 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
  RSA788871  Calyptridium parryi Gary D. Wallace 2003-7-8 4031 Riverside Hidden Lake. Comment
  SEINET215201  Calystegia J. C. Lee 1966-4-9 24 Riverside Highway 74, Elsinore. 305 Comment
  SEINET3091115 Image available Calystegia longipes Peggy Merritt 1972-4-28 Riverside Canyon running N in dry granitic hills 1 mi S of intersec. of Alessandra Blvd. and Walnut St. 12 mi W of Riverside. Comment
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Aug 25 2013
  SD237410  Calystegia macrostegia A. C. Sanders, T. B. Salvato 2011-4-1 38956 Riverside Peninsular Range: Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74. 404 Comment
  RSA561085  Calystegia macrostegia subsp. arida Steve Boyd, Orlando Mistretta, Bob Boyd 1992-4-22 6997 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  SDSU21844  Calystegia macrostegia subsp. tenuifolia Dang Dong, Stephanie Castillo, Lindsay Rubin 2016-4-16 7 Riverside Santa Magarita Ecological Reserve, Via Tornado, about 2-3 miles south of Santa Margarita river. 313 Comment
  CAS-BOT-BC216298  Camissonia M. Bourell 1988-3-28 3513 Riverside Box Canyon, BLM California Conservation area. E of Mecca on Hwy. 195. 150 Comment
  CAS-BOT-BC218903  Camissonia Elizabeth McClintock 1958-4-5 s.n. Riverside Painted Canyon, Colorado Desert, along wash Comment
  UC1184269  Camissonia Peter H. Raven 1958-2-15 11568 Riverside Corn Springs Chuckawalla Mountains Comment
  RSA465921  Camissonia bistorta Ora M. Clark 1929-3-2 1604 Riverside Near Alberhill. Comment
  RSA711220  Camissonia bistorta A. C. Sanders 2004-4-9 27471 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side. 473 Comment
  UCR250878  Camissonia bistorta S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1038 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  CLARK-A1528-655  Camissonia boothii Charlotte Stocks 1964-4-20 Riverside Coachella Comment
  RSA36358  Camissonia brevipes subsp. brevipes C. Epling 1947-03 s.n. Riverside Mojave Desert, south edge of desert at Cottonwood Springs. Comment
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Oct 9 2010
  RSA524584  Camissonia californica Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4132 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
  RSA594783  Camissonia californica D. L. Banks, Dylan Hannon 1996-5-3 977 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric W facing slope, approximately 350 m SE of the Helipad at the upper camp sites. 540 Comment
  JEPS31800  Camissonia campestris W. L. Jepson May 17 1901-Jun 1 1901 1251 Riverside San Jacinto Comment
  SD3347  Camissonia campestris subsp. campestris Ruth Randall 1922-4-9 219 Riverside Coachella; Painted Canyon. Comment
  RSA717449  Camissonia cardiophylla Scott D. White, Pam DeVries 2006-3-14 11261 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  UCR202043  Camissonia cardiophylla Denise Woodard, Gilbert Goodlet 1997-3-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  CLARK-A1528-659  Camissonia cardiophylla subsp. cardiophylla Ronald K. Pidot 1962-3-23 Riverside Mecca Comment
  UCR148312  Camissonia claviformis John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24, at Kaiser RR trestle over the canal, between Salt Creek and Hunters Spring 23 Comment
  UCR249518  Camissonia claviformis T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7283 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  RSA688914  Camissonia claviformis subsp. aurantiaca Scott D. White 2001-4-18 8364 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  RSA186613  Camissonia confusa Peter H. Raven 1962-4-28 17488 Riverside Ortega Highway 3.9 miles above its east base, Santa Ana Mountains 732 Comment
  RSA355167  Camissonia confusa A. C. Sanders 1986-6-1 6535 Riverside San Jacinto Mountains, upper part of the trail toward Spitler Peak from the Hurkey Creek camp to Bonita Vista road. 1829 Comment
  RSA645610  Camissonia confusa Scott D. White, Steve Ogg 1994-4-21 2011 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  UCR133380  Camissonia confusa Mitch Provance, J. S. Ross 1998-3-27 MOR- 993 Riverside San Bernardino Mtns., Morongo Indian Reservation, Deep Canyon, 2.5 miles NNE of Cabazon 732 Comment
  UCR162405  Camissonia hirtella S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR265813  Camissonia hirtella Mitch Provance 2012-5-24 512- 03 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  UCR93034  Camissonia hirtella Steve Boyd 1986-4-22 1759 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA655044  Camissonia intermedia Scott D. White 1999-6-6 7443 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  RSA700062  Camissonia pallida Scott D. White, Michael Honer 2003-4-25 9092 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  RSA614890  Camissonia pallida subsp. hallii George K. Helmkamp 1998-4-3 3077 Riverside Snow Creek area N of Mt. San Jacinto; at edge of stream S of Snow Creek Rd at a point 1.4 mi. S of CA Hwy 111. 396 Comment
  RSA339311  Camissonia pallida subsp. pallida Robert F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge. 1980-4-16 54050 Riverside Along Whitewater River, E of bridge and levee. Comment
  RSA726538  Camissonia refracta Naomi S. Fraga, Lisa Rojas 2005-2-10 1351 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SEINET3093216 Image available Camissonia refracta P. Leary 1975-3-13 992 Riverside Pinto Mountains, Joshua Tree National Monument. Comment
  UCR249509  Camissonia refracta T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7281 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  RSA519238  Camissonia strigulosa Ed LaRue 1989-4-25 s.n. Riverside 6 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UC1929982  Camissonia strigulosa Scott D. White, Justin Wood 2008-5-15 11974 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. Comment
  UC140610  Camissoniopsis bistorta C. F. Baker 1903-4-5 4118 Riverside Hemet Comment
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Mar 24 2011
  UC56468  Camissoniopsis bistorta H. M. Hall April, 1902 2918 Riverside Vicinity of Winchester 457 Comment
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Mar 20 2011
  UC917876  Camissoniopsis bistorta Frank W. Gould 1943-4-17 2125 Riverside 12 mi s Corona (on road to Elsinore) Comment
  SDSU3360  Camissoniopsis hirtella H. Wedberg 1958-3-30 190 Riverside Between Upper San Juan Campground and Highway 74, north-west from the actual campground and over the stream. On dry gravelly slope. Comment
  SD215583  Camissoniopsis lewisii Steve Boyd, Tim Ross et al 1990-4-2 4043 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  RSA523523  Capsella bursa-pastoris Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3982 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR216391  Capsella bursa-pastoris Mike Bell 2008-3-30 018 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 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
  POM259165  Carex alma Phillip A. Munz 1940-8-14 15341 Riverside Virgin Spring, near Santa Rosa Peak. 2287 Comment
  UCR187491  Carex barbarae Diane Menuz, Theresa Johnson 2006-9-20 245 Riverside Peninsular Range; Santa Ana Mtns, Santa Margarita Ecological Reserve, Temecula Canyon, hike up the river from the southern entrance, SE foot of Gavilan Mtn. 164 Comment
  UC146421  Carex heteroneura Charlotte M. Wilder 1909-7-11 915 Riverside Round Valley, San Jacinto Mts. Comment
  SEINET7568450 Image available Carex multicaulis Unknown 1969-6-24 38117 Riverside San Bernardino National Forest, San Jacinto Mts, above James Reserve in Hall Canyon. 1676 Comment
  CAS-BOT-BC118508  Carex praegracilis Earl W. Lathrop 1965-3-30 5605 Riverside 12 mi W of Murrieta Comment
  RSA714447  Carex praegracilis T. B. Salvato 2004-5-27 601 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  SEINET11125985 Image available Carex sartwelliana P. Zika, Otting, N 2010-1 25299 Riverside San Bernardino National Forest, N Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Jacinto Mountains (SnJt) Comment
  RSA192256  Carex schottii E. W. Lathrop 1966-6-1 6366 Riverside Los Alamos Road, Tenaja Range, 14 miles NW of Murrieta. Comment
  SBBG95115  Carex schottii N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 179 Riverside Oasis de los Osos Preserve, off Snow Crk Cyn at the N foot of the San Jacinto Mtns, 1 mi W of Snow Crk Village 487 Comment
  SEINET10786964  Carex senta Peter F. Zika 2010-8-3 Zika 25243 Riverside Vicinity of Willow Creek. San Jacinto Wilderness Area, San Jacinto Mountains (SnJt), Peninsula Ranges. 2550 Comment
  UCR35297  Carex senta L. B. Ziegler 1970-5-20 406 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  POM259166  Carex subfusca Phillip A. Munz 1938-8-14 15348 Riverside Virgin Spring, Santa Rosa Peak; 2287 Comment
  RSA682458  Carex subfusca Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8643 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SD239935  Castela emoryi Nathan Moorhatch, Shari Norton 2010-5-7 Riverside Sonoran (Colorado) Desert: north of Desert Center, north of the golf course and east of the bend in Eagle Mountain Road. 198 Comment
  CLARK-A1528-4171  Castilleja affinis John C. Roos 1966-4-5 Riverside Winchester Comment
  RSA180263  Castilleja affinis E. W. Lathrop 1965-4-25 56715 Riverside 4 miles Sw of Murrieta. Comment
  UCR137351  Castilleja applegatei subsp. martini John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  JEPS13641  Castilleja applegatei subsp. martinii Peter Kamb 1948-7-3 1145 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  POM307284  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 s.n. Riverside Santa Rosa Mountains. Comment
  RSA0010962  Castilleja applegatei subsp. martinii Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 636 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SD10676  Castilleja exserta subsp. exserta Mrs. D. R. Wolf 1932-3-20 30 Riverside Richman Ranch, 2I(c) mi. no. of De Luz 456 Comment
  RSA0010932  Castilleja exserta subsp. exserta Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1318 Riverside Palms to Pines Highway. Comment
  RSA770851  Castilleja foliolosa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4937 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  UCD122503  Castilleja foliolosa C. L. Hitchcock 1966-3-15 24164 Riverside About 10 miles n.e. of Temecula. Comment
  RSA783631  Castilleja martinii J. D. Olmsted 1962-5-3 3527 Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  UCR131621  Castilleja martinii L. C. Wheeler 1931-10-3 193 Riverside San Jacinto Mtns., summit of Tahquitz Peak 2691 Comment
  RSA0010952  Castilleja miniata subsp. miniata Mary F. Spencer 1923-7-8 2234 Riverside Saunders Meadows. pr. Idyllwild, San Jacinto Mt. 1829 Comment
  UCR193419  Castilleja minor subsp. spiralis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35630 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UC68540  Caulanthus cooperi H. M. Hall 1905-5-11 6023 Riverside Cottonwood Mts. Colorado Desert, Cottonwood Mts. 609 Comment
  OBI29878  Caulanthus hallii Melissa Luckow, Rhonda Riggins 1982-4-15 823 Riverside Pinyon Pass Rd, 0.1m I NW of hwy 74 1006 Comment
  UCR127574  Caulanthus heterophyllus D. E. Bramlet 2003-4-18 3372 Riverside Base of San Jacinto Mtns., 2,348m south of Cabazon, 2,012m northwest of Cabazon Peak, and 183m northwest of the Colorado River Aqueduct 548 Comment
  UCR29602  Caulanthus heterophyllus Don Emery 1983-3-11 s.n. Riverside Peninsular Range, Aguanga, 1 mi north of Hwy. 79 at a point 1 mi west of its jct with Hwy 371. Comment
  UCR35190  Caulanthus simulans L. B. Ziegler 1969-4-2 341 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  UCR77744  Caulanthus simulans Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6023 Riverside Vail Lake, SW and W flanks of Billy Goat Mtn. 3 mi north of Hwy 79, 1 mi west of Hwy 371, north of Aguanga 880 Comment
  CAS-BOT-BC48455  Ceanothus crassifolius Herbert L. Mason; Munz; Peirson 1926-4-30 3120 Riverside Southwestern Riverside Co. - Temecula canyon, 2 miles south of Temecula Comment
  RSA1334  Ceanothus crassifolius Carl B. Wolf 1930-2-21 1473 Riverside Hidden Canyon, near Corona. Santa Ana Mts. Comment
  RSA3118  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2647 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA569991  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7900 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA575067  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -L Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA575071  Ceanothus crassifolius Steve Boyd 1981-3-4 575071 Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA614127  Ceanothus crassifolius D. L. Banks 1997-2-23 1294 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 368 Comment
  RSA620362  Ceanothus crassifolius A. C. Sanders 1997-3-1 19728 Riverside Box Springs Mountains: Pigeon Pass, canyon below Regulus Road, 0.6 mi. W of Pigeon Pass Rd., 0.4 mi. E of Bench Mark 'Table' 610 Comment
  SD138816  Ceanothus crassifolius Craig Reiser 1993-5-17 Riverside Agua Tibia Wilderness Area, south of Woodchuck Campground and Highway 79 Growing with both putative parents (IPB 5/06) Comment
  RSA0019576  Ceanothus cuneatus var. cuneatus Gary D. Wallace 1964-4-26 s.n. Riverside San Jacinto Mountains. Comment
  POM85877  Ceanothus greggii var. perplexans Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA399847  Ceanothus greggii var. vestitus M. B. Dunkle 1934-2-25 3852 Riverside Dry Morongo, Colorado Desert. 244 Comment
  RSA399914  Ceanothus integerrimus E. S. Spalding 1925-6-13 s.n. Riverside Near Elsinore. Comment
  POM282968  Ceanothus leucodermis E. W. Lathrop 1966-3-20 6072 Riverside Summit Temecula. Comment
  SD129400  Ceanothus leucodermis Steve Myers 1990-3-21 Riverside Santa Rosa Plateau area: Along Los Gatos Road, 1/2 mi. S of Buena Vista Road (2 mi. W. of Sandia Canyon, & 0.1 mi. N of San Diego County Line) 366 Comment
  RSA586047  Ceanothus oliganthus var. oliganthus D. L. Banks, S. D. Boyd 1995-3-16 99 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, Arroyo Seco drainage. 549 Comment
  UCR3421  Ceanothus perplexans Heidi A. Haid 1964-5-10 64510- 9 Riverside Peninsular Range; San Jacinto Mtns., Cahuilla Valley, Hwy 71 [=371], 8 miles south of Hwy 74 junction 1220 Comment
  RSA0022329  Ceanothus perplexans N. C. Cooper 1949-6-29 4298 Riverside East side of San Jacinto Mountains. 457 Comment
  UCR170097  Cenchrus ciliaris John F. Green, Nathan Moorhatch 2005-4-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio, south of Indio Blvd., between Burr St. and Ave. 42, within sight of I-10 12 Comment
  CAS-BOT-BC184975  Cenchrus echinatus Lewis S. Rose 1957-1-3 57006 Riverside La Quinta. 15 Comment
  UCR19017  Cenchrus incertus John C. Roos, L. Roos 1952-7-15 5811 Riverside Hemet 488 Comment
  CDA7288  Centaurea X pouzinii T. C. Fuller 1962-6-6 8846 Riverside South entrance to Fuller Rancho, ca. 5 miles north of Corona. 0 Comment
  SFV20159  Centaurium venustum J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .6 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  JEPS100431  Centromadia pungens subsp. laevis Dean W. Taylor 2003-5-8 18550 Riverside Davis Road 0.5 miles North of Lakeview, San Jacinto Wildlife Area 434 Comment
  SD248327  Centromadia pungens subsp. laevis Kevin B. Clark 2004-5-27 1 Riverside Menifee Valley, ca. 1.0 mile west of Murrieta Rd., 0.5 mile south of Newport Rd., on east-west dirt road on old ranch. 427 Comment
  UCR48355  Cerastium glomeratum Steve Boyd 1986-4-20 1723 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. 640 Comment
  JOTR30769  Cercocarpus betuloides var. betuloides La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1884 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  RSA586147  Cercocarpus betuloides var. betuloides D. L. Banks, Steve D. Boyd 1996-3-16 109 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on 625 Comment
  SD229255  Cercocarpus betuloides var. betuloides Dick Schwenkmeyer 2012-3-26 660 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
  UC1127850  Cercocarpus betuloides var. betuloides R. St. John 1929-3-27 18 Riverside Snow Creek 914 Comment
  UC12139  Cercocarpus ledifolius var. ledifolius H. M. Hall 1901-7 2585 Riverside vicinity of Tamarack Valley (San Jacinto Mountains); San Jacinto Mountains 2499 Comment
  HSC25836  Chaenactis artemisiifolia Richard Spjut 1972-3-30 2347 Riverside Just SW of Coahulla Indian Reservation, ca. 2 miles E on Hwy. 71 from jct. 79 (near San Diego County Line) 1220 Comment
  CAS-BOT-BC276388  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  UCR166870  Chaenactis carphoclinia Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  RSA271141  Chaenactis carphoclinia var. carphoclinia C. W. Tilforth, John Dourley, Walter Wisura 1977-5-19 1326 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd]. 266 Comment
  UC1550218  Chaenactis carphoclinia var. carphoclinia David Charlton 1988-2-25 1227 Riverside Dillon Road and 1000 Palms Oasis Rd Jct. Little San Bernardino Mtns. (s of Joshua Tree National Monument) 609 Comment
  POM351725  Chaenactis fremontii M. B. Dunkle 1933-5-6 3410 Riverside Dry Morongo Creek. Comment
  UCR114114  Chaenactis fremontii B. G. Pitzer, J. Ross 1998-3-8 3607 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR240990  Chaenactis fremontii Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 57 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCR123233  Chaenactis glabriuscula S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  CLARK-A1528-185  Chaenactis glabriuscula var. curta C. M. Flanagan 1973-4-14 OO 101 Riverside Sunnymead 579 Comment
  UCR107828  Chaenactis glabriuscula var. glabriuscula D. L. Banks 1997-5-5 1988 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCSC001214  Chaenactis glabriuscula var. glabriuscula Peter Kamb 1948-5-6 941 Riverside Hall Canyon, San Jacinto Mts. 1094 Comment
  CAS-BOT-BC277549  Chaenactis glabriuscula var. lanosa G. D. Hanna; M. M. Hanna 1958-2-16 s.n. Riverside Cabazon Comment
  POM49418  Chaenactis parishii H. M. Hall 1901-06 2128 Riverside Santa Rosa Mountain. Coyote Canyon. 1524 Comment
  UC1543179  Chaenactis parishii Donald G. Nelson 1936-5-22 386 Riverside Ribbon Wood Camp Santa Rosa Mtns., Palm Springs Canyon (Pines to Palms Highway, on trail down to stream in Palm Springs Canyon, near base of Santa Rosa Mtns.) Comment
  RSA775940  Chaenactis stevioides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 950 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  SD187342  Chaenactis stevioides Naomi Fraga, Sara J. De Groot, et al. 2005-2-10 1422 Riverside Northeastern Colorado Desert region: Along Palen Road near Highway 177. 170 Comment
  UCD20147  Chaenactis stevioides Donald W. Kyhos 1976-3-17 67 -19 Riverside Along Twentynine Palms Highway, at Riverside- San Bernardino County line. Comment
  UCR167197  Chaenactis stevioides S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCR245963  Chaenactis stevioides Duncan S. Bell 2009-3-8 80 Riverside Arica Mountains, NW side of range, c. 3.2 air miles NW of Priest Well, or c. 6.5 air miles SW of ghost town of Rice 513 Comment
  RSA561891  Chamaesyce albomarginata Steve Boyd, T. S. Ross 1992-6-10 7638 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04), at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  UC56534  Chamaesyce albomarginata E. A. Zumbro Oct., 1902 300 Riverside Riverside Comment
  RSA0062786  Chamaesyce micromera Duncan S. Bell, Evan Meyer 2014-10-22 7654 Riverside Orocopia Mountains; southwestern section of range; collecting in an unnamed canyon to the southeast of Orocopia Canyon; about 3.6 air miles north northeast of Dos Palmas. 404 Comment
  RSA784937  Chamaesyce polycarpa Duncan S. Bell 2012-2-12 3105 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA792552  Chamaesyce polycarpa Duncan S. Bell 2012-9-13 4179 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  SEINET7907984  Chamaesyce polycarpa D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris & Lake Elsinore 488 Comment
  UC194833  Chamaesyce polycarpa S. B. Parish 1916-5-13 10830 Riverside Cottonwood Springs Colorado Desert 792 Comment
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Oct 9 2010
  RSA608167  Chamaesyce polycarpa var. polycarpa Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10053 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  POM253440  Chamaesyce setiloba Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  RSA685787  Cheilanthes newberryi May N. Ackley 1922-03 175 Riverside Murrieta Hot Springs 399 Comment
  UCR47228  Cheilanthes newberryi B. G. Pitzer, L. F. LaPre 1987-3-2 0423 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  POM9290  Cheilanthes newberryi P. A. Munz, Harwood 1920-3-20 3375 Riverside 5 miles S of Corona 305 Comment
  POM12431  Cheilanthes parryi E. C. Jaeger 1921-3-28 s.n. Riverside Colorado Desert: Box Canyon, north of Mecca Comment
  RSA600709  Cheilanthes parryi L. C. Wheeler 1954-11-25 7106 Riverside Chuckwalla Mountains: Corn Springs Wash. 533 Comment
  RSA718776  Cheilanthes parryi Michael Honer, L. Hulse 2004-4-3 1925 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. 610 Comment
  RSA8  Cheilanthes parryi J. T. Howell 1927-8-1 532 Riverside Morongo Pass. 610 Comment
  UCR41455  Cheilanthes parryi A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6133 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  SEINET5777365 Image available Cheilanthes parryi G. R. Vasey 1881-1 Riverside Whitewater Comment
  SEINET3124928 Image available Cheilanthes viscida Andrew C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15899 Riverside San Jacinto Mtns/Colorado Desert; Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the road to the tram station, vicinity of the upper end of the flood control dike 550 Comment
  UC366588 Image available Cheilanthes viscida unknown May 1876 Riverside White River Canyon San Gorgonio Pass Comment
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Nov 26 2011
  UCR91559  Cheilanthes viscida A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15910 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  HSC1016  Cheilanthes wootonii W. R. Supernaugh, Jr. 1964-12-21 18 Riverside Joshua Tree Nat'l Mon. 1 mi. S of Jumbo Rocks Campground at old ground observation post 1372 Comment
  UCD97783  Chenopodium album C. W. Tilforth 1968-3-11 138 a Riverside Western end of Tallac Knoll, LASCA, Arcadia. Comment
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Sep 7 2013
  RSA709239  Chenopodium album var. album A. C. Sanders, Mitch Provance, T. B. Salvato, B. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden. 351 Comment
  UCR22021  Chenopodium ambrosioides Steve Boyd 1980-9-12 348 Riverside Gavilan Hills, Harford Springs County Park, located on the NW corner of the Gavilan plateau. Comment
  POM319738  Chenopodium berlandieri Patricia Wilder 1970-10-15 4791 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
  RSA0114928  Chenopodium berlandieri Mitch Provance 2012-7-17 712 -16 Riverside Beaumont Plain: Banning, south of I-10, vicinity of corner of Sunset Ave. and Westward Ave. 741 Comment
  UCR81686  Chenopodium berlandieri J. M. Stewart 1994-5-2 847 Riverside Western Colorado Desert, Coachella Valley, Thermal, Highway 86 and Airport Blvd. Comment
  UCR113757  Chenopodium berlandieri var. zschackei Mitch Provance 2000-7-30 2174 B Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR231323X  Chenopodium desiccatum Mitch Provance 2000-7-30 2171 Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 305 Comment
  CLARK-A1528-2561  Chenopodium fremontii John C. Roos 1946-8-27 9212 Riverside Santa Rosa Mountains 2438 Comment
  UCR265463  Chenopodium fremontii Jordan Zylstra 2014-8-17 14020 Riverside San Jacinto Mountains, Fobes Canyon wash, adjacent to Fobes Ranch Road 1483 Comment
  UCR115158  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-10-14 2254 Riverside Jurupa Mtns., Crestmore area, along the south side of El Rivino Rd., c. 0.4 miles north of Crestmore Quarries. 287 Comment
  UCR115164  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-10-14 2255 Riverside Jurupa Mtns., Crestmore area, along the south side of El Rivino Rd., c. 0.4 miles north of Crestmore Quarries. 287 Comment
  RSA0011036  Chilopsis linearis Kristin Forgrave, Sarah De Groot 2013-6-4 13 Riverside Box Canyon Rd near Salton Sea, by end of rocks 67 Comment
  RSA455309  Chilopsis linearis Albert J. Perkins 1916-4-16 s.n. Riverside Palm Canyon. Comment
  UCR272883  Chilopsis linearis Duncan S. Bell 2009-8-15 411 Riverside northwest of the Arica Mountains 286 Comment
  CAS-BOT-BC540727  Chilopsis linearis subsp. arcuata Sarah J. De Groot; Duncan S. Bell 2015-5-14 7373 Riverside White Water, along Pacific Crest Trail about 400 m S of Forks 3028, and abut 450 m S of Red Dome. SE side of San Bernardino Mtns. 768 Comment
  RSA247963  Chilopsis linearis subsp. arcuata R. F. Thorne, S. T. Blake 1965-6-1 34714 Riverside Morongo Valley pass 488 Comment
  POM48038  Chimaphila menziesii P. A. Munz, I. M. Johnston 1924-7-27 8753 Riverside Dark Canyon. 1890 Comment
  UCR103727  Chloris truncata A. C. Sanders 1997-3-26 20095 Riverside Lake Skinner area, N edge of Temecula vinyard district, Borel Rd., 0.1 mi. west of turnoff to Lake Skinner 488 Comment
  RSA607339  Chorizanthe R. S. Woglum 1939-4-11 2226 Riverside Sonora Desert: Rice to Parker. Comment
  RSA796015  Chorizanthe brevicornu Duncan S. Bell 2009-4-18 249 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  RSA314444  Chorizanthe brevicornu var. brevicornu Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55432 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  SBBG25069  Chorizanthe brevicornu var. brevicornu D. Myrick 1966-4-1 1323 Riverside Desert Hot Springs, adjoining Linda Vista Lodge Comment
  UCR16539  Chorizanthe brevicornu var. brevicornu J. Texera 1970-3-27 05 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
  RSA656553  Chorizanthe coriacea A. C. Sanders 2000-5-25 23406 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
  CLARK-A1045-310  Chorizanthe leptotheca George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains Murrieta 7.5' Q Comment
  POM158447  Chorizanthe leptotheca P. A. Munz 1927-5-21 10879 Riverside 10 miles SW of Coahuila [now Cahuilla]. Comment
  UC1929714  Chorizanthe parryi var. parryi Scott D. White, Michael Honer 2003-4-25 9090 Riverside SAN BERNARDINO MTNS.: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 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
  UCR31330  Chorizanthe polygonoides var. longispina A. C. Sanders 1980-5-1 1365 Riverside San Jacinto Mountains, Garner Valley. Dry bench above valley floor 0.25 mi NW of Kenworthy Ranger Station 1433 Comment
  UCR213548  Chorizanthe procumbens Michael Honer 2003-7-15 1844 Riverside Peninsular Range; Santa Ana Mtns., Rainbow area, just north of the San Diego Co. boundary and west of the I-15 Freeway 518 Comment
  RSA746811  Chorizanthe staticoides Michael Honer 2003-7-15 1847 Riverside Rainbow area, just north of the San Diego County boundary and west of the I-15 Freeway. 366 Comment
  LA206561  Chorizanthe xanti S. Beller; 1926-4-20 sn Riverside Palm Springs Comment
  UC729665  Chorizanthe xanti Carl B. Wolf 1932-5-25 3677 Riverside Snow Creek Canyon 1 mi below Fish Hatchery (n base San Jacinto Mountains); , Snow Creek Canyon 396 Comment
  RSA698369  Chorizanthe xanti var. leucotheca Olive Van Meter 1933-5-30 s.n. Riverside Whitewater region. Comment
  RSA660917  Chrysothamnus nauseosus Mitch Provance 1998-5-4 1716 Riverside Belltown area, 'gravel pits' just S of 26th St. and Hall Ave. 250 Comment
  RSA38274  Chrysothamnus nauseosus subsp. consimilis P. A. Munz 1946-10-19 11572 Riverside Upper end of Palm Canyon at jct of hwy 74 and road to old Santa rosa Indian Village 1220 Comment
  RSA0112103  Chrysothamnus paniculatus Duncan S. Bell 2009-10-9 486 Riverside Northwest of the Arica Mountains. 281 Comment
  RSA781915  Chrysothamnus paniculatus Duncan S. Bell 2010-5-1 895 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA93245  Chrysothamnus paniculatus F. W. Peirson 1920-12-29 2334 Riverside 1.5 miles E of Whitewater Station near Point of Rocks 305 Comment
  UC279688  Chylismia brevipes subsp. brevipes Edmund C. Jaeger 1926-2-2 Riverside near Salton Station; Canyon Springs Comment
  SD16812  Chylismia cardiophylla subsp. cardiophylla Allen Keller 1937-3-13 Riverside Painted Canyon. Comment
  UC447175  Chylismia cardiophylla subsp. cardiophylla J. Ewan 1931-4-4 4154 Riverside summit e Shaver's Well 518 Comment
  CAS-BOT-BC160626  Chylismia claviformis subsp. aurantiaca L. R. Abrams 1926-3-26 11083 Riverside Between Palm Springs and Indian Wells Comment
  UC20519  Chylismia claviformis subsp. aurantiaca S. B. Parish Apr 4 1896-Apr 13 1896 4116 Riverside Palm Springs (Agua Caliente) desert base of San Jacinto Mt. 152 Comment
  UC873934  Chylismia claviformis subsp. aurantiaca Ira L. Wiggins 1937-3-9 8759 Riverside gravelly wash 5 mi w Shaver's Well Comment
  CAS-BOT-BC279839  Cichorium intybus John Green 2004-7-1 s.n. Riverside Santa Ana River Valley: just NW of Riverside Municipal Airport, drainage ca. 0.3 mi. south of Jurupa Road, just east of Van Buren Blvd 229 Comment
  CAS-BOT-BC289648  Cirsium occidentale var. californicum R. M. Howie 1952-5-1 s.n. Riverside San Timoteo Canyon, 5 miles w. of Beaumont Comment
  CAS-BOT-BC286458  Cirsium scariosum John Thomas Howell 1952-10-24 28865 Riverside At south end of Santa Ana Mts., Santa Rosa Ranch nw. of Murieta [Murrieta] 914 Comment
  IRVC29780  Cirsium scariosum var. citrinum Mark A. Elvin, Steve Boyd, A. C. Sanders, D. Kelch, Larry Hendrickson 2006-12-8 5290 Riverside Santa Rosa Plateau; beside creek along Via Volcana; 10 m W of road; 100 m S of jct of Via Volcana and Tenaja Road Peninsular Ranges 572 Comment
  RSA740254  Cirsium vulgare Scott D. White, Justin M. Wood 2008-7-9 12410 Riverside San Jacinto Mountains: Johnson Meadow 1415 Comment
  CAS-BOT-BC438667  Cistanthe ambigua Ynez Whilton Winblad 1937-4-22 s.n. Riverside Box Canyon Comment
  POM10027  Cistanthe monandra Charlotte M. Wilder 1904-5-14 37 Riverside Wilders Canyon, Jurupa Hills, 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
  RSA483570  Cistanthe monandra D. Charlton 1988-5-21 1952 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA613328  Cistanthe monandra D. L. Banks 1997-3-6 1392 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  UCR65511  Clarkia delicata E. W. Lathrop 1989-5-10 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon, 4 mi. SW of Corona. Comment
  SD140044  Clarkia purpurea Scott White 1993-4-22 1252 Riverside North Alberhill Ranch, in hills North of Walker Canyon. Comment
  SD185274  Clarkia purpurea subsp. quadrivulnera T. B. Salvato, Kent Beaman 2005-5-16 765 Riverside San Jacinto Mountain Foothills: San Jacinto River East of Valle Vista, just downstream from the Forest Service boundary and North of CA Highway 74. (Blackburn Canyon 7.5' Q.) Old Clearing. in the wash woodland; a single dense colony. 548 Comment
  RSA802252  Clarkia rhomboidea Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4998 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  OBI32523  Claytonia perfoliata subsp. mexicana Richard L. Irwin 1962-4-15 26 Riverside Sycamore Cyn- ca. 1.4 mi S on Cyn Crest Dr from Penn Ave; then to left on dirt rd ca 0.3 mi; then to right about 1/2 mi to end of rd; then over rise and to crk 335 Comment
  RSA33630  Clematis lasiantha Robert L. Rutherford 1945-6-17 1669 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UCR104934  Clematis lasiantha A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20675 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. north of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon 1098 Comment
  RSA124985  Cleome isomeris P. H. Raven 1958-1-23 10409 Riverside Sandy wash along United States Highway 99 [Hwy 10], 7.8 miles west of Thousand Palms turnoff. Comment
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Sep 10 2011
  POM93721  Cleome isomeris Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA0117405  Collinsia concolor Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4825 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
  UCR100821  Collinsia heterophylla G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  SDSU13334  Collinsia heterophylla var. heterophylla Tom Duffy, Taria Sagar 2000-4-29 4 Riverside Two hundred meters NE of Santa Margarita Ecological Reserve North end. 320 Comment
  CAS-BOT-BC286037  Conyza canadensis S. B. Parish 1912-10-12 8358 Riverside Salton Basin. Mecca -57 Comment
  SEINET4676048  Cordylanthus filifolius Robert F. Thorne, L. DeBuhr; Earl Lathrop; C. W. Tilforth 1975-8-29 47321 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro.; 0 610 Comment
  RSA412302  Cordylanthus rigidus subsp. setiger Robert Gustafson, Gary D. Wallace 1983-6-23 2723 Riverside along Clinton Keith Road, 2.5 miles from its jct. with Hwy. 15. Comment
  POM355979  Coreopsis bigelovii Ora M. Clark 1929-3-17 1709 Riverside NW Whitewater, Colorado Desert. Comment
  CAS-BOT-BC228592  Corethrogyne filaginifolia Jeremiah George 2011-9-8 s.n. Riverside Peninsular Range; Elsinore Trough: Lake Elsinore area, Terra Cotta Rd. at Coal Ave, Warm Springs Valley 409 Comment
  SBBG45021  Corethrogyne filaginifolia I. W. Clokey with E. G. Anderson 1935-8-21 Riverside Keen Public Cmpgrd 1950 Comment
  SEINET11839639  Corethrogyne filaginifolia var. bernardina C. W. Tilforth, Wisura, W. 1979-1 1892 Riverside along Hwy 243, 5.6 mi S of jct with Hwy 10, S of Banning 1036 Comment
  SEINET232364  Coryphantha vivipara Leila Shultz, John S. Shultz 1985-4-17 8310 Riverside Southern extension of the Big Mari[o, d?] Mountians. Comment
  RSA612698  Crassula aquatica D. L. Banks 1997-3-29 1600 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
  HSC6503  Crassula connata C. L. Hitchcock 1966-3-15 24149 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  RSA614538  Crassula connata A. C. Sanders 1997-3-1 19706 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity, 1386ft) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  UCR110399  Cressa truxillensis A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23182 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCR116933  Cressa truxillensis A. C. Sanders, D. Malueg 2001-5-17 24362 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  UCR40461  Cressa truxillensis Steve Boyd 1985-8-7 1118 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  CLARK-A1045-294  Crossosoma bigelovii George K. Helmkamp 1977-5-20 Riverside San Jacinto Mountains .5 mile up from UC Research Station; rocky wall at base of Canyon; Palm Desert 15'Q Comment
  CLARK-A1656-825  Crossosoma bigelovii Jon Mark Stewart 1983-2-4 Riverside Palm Desert 330 Comment
  RSA1256  Crossosoma bigelovii B. D. Stark 1930-5-4 823 Riverside Morongo Pass. Comment
  RSA397721  Crossosoma bigelovii Martha Hilend 1928-3-11 95 Riverside Morongo Pass, Colorado Desert region. Comment
  UC495323  Crossosoma bigelovii P. A. Munz 1932-4-24 12398 Riverside Snow Creek Canyon San Jacinto Mts. 457 Comment
  UCR9246  Crossosoma bigelovii D. H. Wilken 1966-3-26 791 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon, near palm oasis along E side of canyon. 610 Comment
  SEINET7048171  Crossosoma bigelovii Steven R. Hill 2001-5-3 33677 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
  JOTR33870  Croton californicus La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3051 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps 432 Comment
  SEINET5544967  Croton californicus H. S. Gentry 1954-1 14246 Riverside Northwest of Aguanga, along road to Sage. Comment
  UC17560  Croton californicus Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  UCR117094  Croton californicus A. C. Sanders, T. B. Salvato 2001-5-16 24292 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR121340  Croton californicus A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25031 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  SEINET12141357  Croton californicus var. mohavensis I. W. Clokey 1935-1 6726 Riverside E of Mecca 200 Comment
  UCR167678  Croton setiger T. B. Salvato, Melissa Clemons 2005-6-23 1287 Riverside Peninsular Range; Temescal Valley, Alberhill, intersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at base of Walker Canyon 378 Comment
  RSA661303  Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23082 Riverside McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  UCR93829  Crypsis schoenoides G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  RSA718775  Cryptantha Michael Honer, L. Hulse 2004-4-3 1926 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. 610 Comment
  UCR169389  Cryptantha T. B. Salvato, John F. Green 2004-5-27 612 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
  RSA0118007  Cryptantha angustifolia Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7621 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA650996  Cryptantha angustifolia David B. Dunn 1948-3-14 3763 Riverside near Hidden Springs Ranch, 3 miles south of the Indio Hills. Colorado Desert. Comment
  SEINET3083599 Image available Cryptantha angustifolia Bruce Freeman 1968-4-6 680406 -3 Riverside Campus U.C Riverside, about 40 yds. from gate to Botanical Gardens. 335 Comment
  UCR167248  Cryptantha angustifolia John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR167452  Cryptantha angustifolia 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
  SEINET10497267  Cryptantha angustifolia David Charlton 1988-2-18 Charlton 1131 Riverside Alluvial fan, S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. Creosote Bush Scrub. 1 mi E of Jct Dillon Rd. and Fargo Cyn Rd. Stable and disturbed Bajada with; Psorothamnus, Larrea Common 8 in. white flowered annual on granite. 610 Comment
  CDA40487  Cryptantha barbigera T. C. Fuller 1962-4-3 7986 Riverside West of Highway 99 to Indio, 0.2 mile north of turn-off to Twenty Nine Palms, head of Coachella Valley. 0 Comment
  POM46807  Cryptantha barbigera Mary F. Spencer 1920-3-24 1579 Riverside Crevices of rocks near Indian Wells 107 Comment
Read comments
Nov 19 2011
  UCSB16538  Cryptantha barbigera Breedlove, Dennis 1962-3-11 Riverside Cat Creek, 3 miles southwest of Palm Desert 426 Comment
  RSA781913  Cryptantha barbigera var. barbigera Duncan S. Bell 2010-5-1 896 B Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR279559  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-29 43179 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  UCR243568  Cryptantha barbigera var. fergusoniae Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21099 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
  UCR175233  Cryptantha circumscissa Jim Andre, T. La Doux 2006-4-11 6732 Riverside S Mojave Desert, Joshua Tree National Park, along Pinto Basin Road (paved) through Wilson Canyon at Fried Liver Wash 858 Comment
  UCR252636  Cryptantha corollata T. B. Salvato, Matthew Malle 2013-4-4 7506 Riverside Perris-Aguanga Basin, Sedco Hills, Crab Hollow Circle between Lost Road and Lake View Drive 588 Comment
  SEINET3830323  Cryptantha costata G. Rink, A. Karl, M. Honer, T. Thomas 2011-1 10435 Riverside BLM. Ca 5 miles west of Blythe, south of I-10 and north of the transmission line. 142 Comment
  UCR166011  Cryptantha costata Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR224998  Cryptantha costata Dave Silverman, A. C. Sanders 2010-3-23 7817 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.5 km SW of Palen Dunes Dr., 3.2 km N of I-10 and 8 km ESE of Sidewinder Well 130 Comment
  RSA0079094  Cryptantha cycloptera J. Andre, T. La Doux 2010-2-28 12559 Riverside Lower Colorado River Valley; along Hwy 94 approx. 25 miles north of Blythe, on east side of Big Maria Mountains. 83 Comment
  JOTR30319  Cryptantha decipiens Andre, Jim, Tasha La Doux 2008-3-21 8840 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  SBBG6254  Cryptantha decipiens H. and M. Dearing 1942-2-6 4800 Riverside near Cathedral City Comment
  CAS-BOT-BC218759  Cryptantha holoptera John Thomas Howell 1928-3-24 3529 Riverside Painted Canyon [Canon], Colorado Desert Comment
  UCR75082  Cryptantha holoptera A. C. Sanders, E. J. Lawlor 1992-4-4 12131 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA650993  Cryptantha intermedia C. S. Papp 1964-5-3 455 Riverside Canyon Crest Hills, at Riverside. Comment
  RSA683088  Cryptantha intermedia Scott D. White, T. B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8664 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA689515  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-2 8900 Riverside Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  UCD119858  Cryptantha intermedia R. N. Raynor 1938-6-20 s.n. Riverside Pines to Palms Highway, between Hemet and Idyllwild. Comment
  UCR137565  Cryptantha intermedia A. C. Sanders 2004-5-5 27776 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
  UCR153674  Cryptantha intermedia Scott D. White 1999-5-24 7398 A Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR225733  Cryptantha intermedia A. C. Sanders 2011-3-30 38918 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  UCR61094  Cryptantha intermedia Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2291 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA650995  Cryptantha maritima Marion P. Harthill 1971-3-19 39 Riverside Palm Desert. Comment
  RSA797511  Cryptantha maritima C. P. Cowan 1978-4-23 1175 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  SD140153  Cryptantha maritima A. C. Sanders, E. J. Lawlor 1992-4-4 12103 Riverside Within 1/2 mile of McCoy Spring, alluvial slopes below and to the south and canyon bottom above the spring 245 Comment
  HSC79082  Cryptantha micrantha G. K. Helmkamp 1984-5-5 - 11 Riverside Little San Bernardino Mtns., Big Morongo Canyon, 4 mi. below the caretaker's house at the Big Morongo Preserve 549 Comment
  RSA782072  Cryptantha micrantha Duncan S. Bell 2009-3-9 109 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  SEINET3005010  Cryptantha micrantha G. Rink, A. Karl, M. Honer, T. Thomas 2011-4-6 10439 Riverside Ca 5 miles west of Blythe, south fo I-10 and north of the transmission line, on dunes 141 Comment
  RSA792627  Cryptantha micrantha var. lepida R. F. Thorne 1995-3-29 63025 Riverside White Water Canyon 600 Comment
  RSA0020312  Cryptantha micrantha var. micrantha D. W. Stevens 1982-4-24 s.n. Riverside ~1 mi So of I-10. Comment
  UCR158856  Cryptantha microstachys Scott D. White 1994-6-14 2060 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR48412  Cryptantha microstachys Steve Boyd 1986-4-22 1731 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  UC662529  Cryptantha muricata Philip A. Munz 1937-5-30 15086 Riverside nw slope Santa Rosa Mts. 2133 Comment
  UCR162877  Cryptantha muricata T. B. Salvato, Kelly Volansky 2003-3-27 125 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCSB38671  Cryptantha muricata Cowan, Clark 1978-4-23 Riverside 17.3 mi. (27.2 km.) S and W of Hwy. 74 from jct. w/ 111 at Indian Wells; Santa Rosa Mts. 1180 Comment
  RSA0104500  Cryptantha muricata var. muricata Duncan S. Bell 2015-9-30 8656 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  CLARK-A1045-103  Cryptantha pterocarya George K. Helmkamp 1977-3-20 Riverside San Jacinto Mountains flats above Deep Canyon; ; Palm Desert 15'Q 1066 Comment
  JOTR30308  Cryptantha pterocarya La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1741 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  UC1601965  Cryptantha pterocarya var. purpusii H. M. Hall May 1899 1161 Riverside between San Jacinto Mt. and El Toro Mt. (at Van Deventer's Ranch); San Jacinto Mountains 1371 Comment
  JEPS67897  Cryptantha utahensis W. L. Jepson 1928-4-25 12580 Riverside Cottonwood Spring Colorado Desert, Eagle Mts. 731 Comment
  JOTR29367  Cryptantha utahensis La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1444 Riverside Joshua Tree National Park. Long Canyon; Stop 1, south end of Long Canyon, near Park boundary 547 Comment
  RSA0126639  Cryptantha utahensis Duncan S. Bell 2016-3-4 8798 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  RSA544323  Cucurbita palmata Steve Boyd 1991-9-8 6431 Riverside Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371. 600 Comment
  UC1134206  Cupressus forbesii H. E. Norton 1931-3-20 40 A Riverside 4 mi se Corona; Corona Quad. 457 Comment
  RSA70996  Cuscuta californica F. W. Peirson 1914-04 898 Riverside Whitewater at head of Coachella Valley. Comment
  RSA697312  Cuscuta californica Keith E. Hoffmaster 1934-3-22 s.n. Riverside Santa Ana Mountains, Santiago can. n. Silverado can. Comment
Read comments
Feb 16 2013
  RSA781916  Cuscuta denticulata Duncan S. Bell 2010-5-1 894 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA662434  Cycloloma atriplicifolium J. C. Roos 1965-9-26 s.n. Riverside In Indio. 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
  SEINET5624468 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .7 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  RSA0097198  Cylindropuntia echinocarpa Marc A. Baker, Michelle Cloud-Hughes 2015-7-12 18412 Riverside San Gorgonio River, 2.5 km SW of Cabazon, 28 km WNW of central Palm Springs. 538 Comment
  SD140512  Cylindropuntia ganderi var. ganderi Jon P. Rebman, Andrew Salywon 1997-3-21 3832 Riverside Santa Rosa Mountains: along Highway 74, 11.7 miles southwest of junction with Highway 11. (IPB 7/07) 965 Comment
  UCR241812  Cynara cardunculus A. C. Sanders, John F. Green 2013-3-27 40690 Riverside Peninsular Range, Alberhill, along west side of Lake St. near the old clay mines, 0.85 km south of I-15 Fwy 389 Comment
  RSA522716  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3807 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR119811  Cyperus erythrorhizos A. C. Sanders, T. B. Salvato, E. J. Lawlor, C. L. Sanders, et al 1999-8-22 23064 Riverside San Jacinto Mtns., NW shore of Lake Hemet, at Forest Service day use area 1322 Comment
  UCR14419  Cyperus odoratus Leonel Sternburg 1974-8-27 s.n. Riverside Santa Ana River Bottom Regional Park. Comment
  RSA751911  Cystopteris fragilis Scott D. White, Justin M. Wood 2009-5-22 12914 Riverside Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  CAS-BOT-BC198201  Cytisus striatus A. C. Sanders; Chet McGaugh 1991-7-19 11142 Riverside Murrieta Hot Springs, large vernal pool on the S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago 347 Comment
  RSA0045573  Dalea californica Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs 138 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
  RSA23177  Dalea mollissima I. L. Wiggins 1938-3-25 8928 Riverside Eagle Canyon, 3-5 miles south of Palm Springs. Comment
  RSA774925  Dasyochloa pulchella Duncan S. Bell 2011-4-7 2167 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  SEINET183428 Image available Dasyochloa pulchella Harry S. Yates 1937-3-24 6454 Riverside Deep Canyon Coachilla Valley 457 Comment
  RSA777778  Datura discolor Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi Fraga 2011-3-17 758 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCR113883  Datura stramonium Mitch Provance, A. C. Sanders 2000-7-4 2079 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR279584  Datura wrightii A. C. Sanders, Jim Malusa 2017-3-28 43135 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UC1792826  Deinandra kelloggii A. C. Sanders 2004-4-9 27469 Riverside San Jacinto Valley; Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 472 Comment
  SD233743  Deinandra paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intrsection of Old Lake Dr. and Pigeon Pass Rd. Alluvial slopes and low hills cut by sandy washes. 534 Comment
  UC1787311  Deinandra paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 533 Comment
  UCR256518  Deinandra paniculata R. E. Riefner Jr. 2013-4-21 13- 68 Riverside City of Riverside, Moreno Valley, west of Box Springs Mountains, east of 215 Fwy, general vicinity of Morton Ave. and Box Springs Ave. 482 Comment
  SEINET7838973 Image available Deinandra paniculata I. M. Wilder 1905-7-25 127 Riverside Jurupa Hills west Riverside Comment
  UC1929699  Delphinium parishii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10473 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
  UCR157113  Delphinium parishii A. C. Sanders 1995-4-13 16485 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
  RSA0018985  Delphinium parishii subsp. parishii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10473 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA0020485  Delphinium parishii subsp. parishii Marjorie Shaw 1916-05 s.n. Riverside Palm Springs. Comment
  CLARK-A1528-3866  Delphinium parryi John C. Roos 1952-5-7 5614 Riverside Box Springs Mountains Comment
  RSA0029697  Delphinium parryi subsp. maritimum D. L. Banks, Victor W. Steinmann 1997-3-13 1428 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UC188655  Delphinium parryi subsp. parryi S. B. and W. F. Parish Mar 1883 256 Riverside border Colorado Desert; Cabezon Station, S.P.R.R. Comment
  UCR97025  Delphinium parryi subsp. parryi Scott D. White 1997-2-28 4711 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCSB7040  Dendromecon rigida Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon and Oak Flat, from Corona side, Santa Ana Mtn. Range 701 Comment
  RSA433552  Dendromecon rigida subsp. rigida N. C. Cooper 1944-7-15 1599 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  CAS-BOT-BC198173  Deschampsia danthonioides A. C. Sanders 1993-5-12 13998 Riverside Hemet, SW corner of the intersection of Florida Ave. (Hwy. 74) and Warren Rd., between the New San Diego Aqueduct and Warren 457 Comment
  RSA752789  Deschampsia danthonioides Scott D. White, Justin M. Wood 2009-5-21 12855 Riverside Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  UC34041  Deschampsia elongata H. M. Hall 1901-7-17 2458 Riverside San Jacinto Mt., Tahquitz Creek 2133 Comment
  RSA49350  Descurainia pinnata subsp. glabra P. A. Munz 1949-4-11 13016 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  RSA16363  Dicentra chrysantha Percy C. Everett 1935-6-17 7169 Riverside Santa Ana Mts. Coldwater Canyon trail to Santiago Peak. 2 miles above Glen Ivy resort. 610 Comment
  RSA696601  Dicentra chrysantha Keith E. Hoffmaster 1934-4-8 143 Riverside Santa Ana Mts. Comment
  RSA709071  Dicentra chrysantha T. B. Salvato, John Green 2004-5-27 704 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  CAS-BOT-BC500852  Dichelostemma capitatum Ivan Johnston 1917-4-4 1077 Riverside Palm Canyon, Colorado Desert Comment
  IRVC35  Dichelostemma capitatum subsp. capitatum R. H. Whittaker, W. A. Niering 1963-5-27 SJ 6 Riverside Hemet Hwy, between Hemet and Mtn Center. Peninsular Ranges, San Jacinto Mountains 1250 Comment
  RSA512761  Dichelostemma capitatum subsp. capitatum Walter Wisura, Bart O Brien, Durant 1990-6-12 4442 Riverside Ortega Highway 2.8 miles from T-junction S of Lake Elsinor, in burned area. Comment
  SEINET3218913 Image available Dichelostemma capitatum subsp. capitatum Marc Mittleman 1982-5-25 Riverside Gentry Experimental Farm, Los Alamos Road, Murrieta. 366 Comment
  UC1787306  Dieteria asteroides var. asteroides A. C. Sanders, S. White, C. L. Sanders 1994-12-18 15897 Riverside San Jacinto River Valley: eastern edge of San Jacinto, Mountain Ave. at Esplanade Ave., 2.4 mi. NW of Hwy 74 on Mountain Ave. 495 Comment
  OBI8386  Diplacus bigelovii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12063 Riverside Along Box Canyon Rd ca 20 mi ENE of Mecca in orocopia Mts 274 Comment
  SBBG25088  Diplacus bigelovii var. bigelovii D. Myrick 1966-4-5 1384 Riverside near S entrance of Joshua Tree Nat Monument Comment
  CAS-BOT-BC152912  Diplacus brevipes John Thomas Howell 1930-5-10 4794 Riverside At top of St. John's Grade Comment
  RSA0016051  Diplacus brevipes P. A. Munz, I. M. Johnston 1922-5-20 5498 Riverside 2 mi. below Kenworthy, Thomas Valley. 1372 Comment
  UCR173786  Dipsacus sativus Kurt Campbell 2006-6-15 s.n. Riverside Perris-Aguanga Basin, Temecula, NW corner of Moraga Rd. and Rancho California Road 335 Comment
  SD136963  Distichlis spicata Steve Boyd, Tim Ross 1992-5-5 7252 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. Local and uncommon along small, flowing stream south of Serrano Spring 730 Comment
  UCR182540  Distichlis spicata Mitch Provance 2003-7-4 4641 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives 226 Comment
  POM184044  Ditaxis claryana P. A. Munz 1932-3-14 12002 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  SEINET10453841  Ditaxis lanceolata Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 27 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  UC2026381  Ditaxis lanceolata Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10054 B Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  UCR102702  Ditaxis lanceolata B. G. Pitzer 1998-1-24 3385 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
  UCR72236  Ditaxis lanceolata Theo Glenn 1991-5-27 91- 122 Riverside Sonoran (Colorado) Desert, Palen Mountains, NE of Desert Center 360 Comment
  UCR163735  Ditaxis neomexicana B. G. Pitzer 2000-11-4 4239 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  UCR264218  Ditaxis neomexicana A. C. Sanders, Jim Malusa 2015-9-10 41865 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  CAS-BOT-BC43644  Dithyrea californica S. B. Parish 1896-4-4 4107 Riverside Palm Springs, (Agua Caliente) desert base of San Jacinto Mountain. 213 Comment
  RSA0043364  Dithyrea californica Marc A. Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17704 Riverside Palo Verde Mesa, 14 km SW of Blythe, 6 km ENE of north end of the Mule Mountains. 118 Comment
  UC10263  Dithyrea californica S. B. Parish Apr 4 1896-Apr 13 1896 4107 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. 152 Comment
  SD140523  Dodecahema leptoceras Patricia Gordon-Reedy 1989-5-5 Riverside Ca. 10.5 miles east of I-15 along Hwy. 79. Hills directly north of Dripping Springs Campground and Hwy. 79; south of Vail Lake. 305 Comment
  SD154066  Dodecahema leptoceras Fred Sproul June 1999 Riverside San Jacinto Wash in Valle Vista, east of Hemet, at gaging station. Observed over several acres both north and south of the San Jacinto River. This collection from population a marked on the enclosed map, north of river. Comment
  UCR281563  Dodecahema leptoceras Mitch Provance, Matt K. Beyers 2017-6-8 617- 80 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. 366 Comment
  CAS-BOT-BC136106  Dodecatheon alpinum S. B. Parish; W. F. Parish 1881-7-20 305 Riverside Tahquitz [Tockwich] - San Jacinto Mtn. Comment
  UCR60717  Dodecatheon clevelandii subsp. clevelandii K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 889 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  CAS-BOT-BC41631  Draba corrugata var. saxosa Winifern W. Swarth 1914-9-14 s.n. Riverside San Jacinto Mountains. San Jacinto Peak. 3293 Comment
  JEPS53492  Draba corrugata var. saxosa F. M. Reed 1908-7-11 2517 Riverside summit of San Jacinto Peak 3291 Comment
  RSA66561  Draba cuneifolia var. integrifolia F. W. Peirson 1920-2-16 2326 Riverside Palm Canyon Creek near Palm Springs. Comment
  RSA530890  Draba saxosa I. M. Johnston 1928-9-3 s.n. Riverside Mt. San Jacinto. 3288 Comment
  RSA68331  Drymocallis glandulosa var. reflexa G. R. Campbell 1951-5-30 16149 Riverside Mouth of canyon, Pine Meadow Ranch, southeast of Kenworthy. 1433 Comment
  RSA0019582  Drymocallis glandulosa var. wrangelliana I. M. Johnston 1918-4-27 1873 Riverside Temecula Canyon. 610 Comment
  SD60444  Dryopteris arguta Reid Moran 1964-7-27 11863 Riverside N slope, Canyon of Santa Margarita River, 2.5 mi SSW of Temecula 199 Comment
  UCR261568  Dryopteris arguta Joseph Cahill 2011-1-8 111- 11 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
  UCR101843  Dudleya B. G. Pitzer 1997-4-1 3043 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  CLARK-A1528-1173  Dudleya saxosa subsp. aloides Sally Bell 1964-5-3 Riverside 761 Comment
  POM311207  Dudleya saxosa subsp. aloides Karen Hosterman 1957-3-27 944 Riverside 1/2 mi. up Whitewater Canyon. Comment
  RSA249461  Dudleya saxosa subsp. aloides John F. Emmel 1973-5-12 451 Riverside Dos Palmas Spring & Carrizo Creek wash, NE of Pinyon Crest, E end of San Jacinto Mts. 1067 Comment
  UCR282413  Dysphania ambrosioides Mitch Provance 2009-7-1 709- 06 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  SEINET7073433  Echinocereus engelmannii A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UC403451  Echinocereus engelmannii Munz and Johnston 1922-5-21 5570 Riverside 2 mi below Kenworthy; San Jacinto Mts., Thomas Valley Comment
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Mar 25 2011
  RSA0125228  Echinocereus engelmannii var. engelmannii Marc Baker, Michelle Cloud-Hughes 17368 .1 Riverside Along Morris Ranch Road, 640m NNE of Kenworthy Station, 3.5km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain, 16km SW of Idyllwild. 1445 Comment
  UC1100271  Echinochloa colona Malcolm A. Nobs and S. Galen Smith 1948-9-3 488 Riverside 2 mi n Indio; Imperial Valley Comment
  RSA192242  Echinochloa crus-galli H. A. Zuill 1966-7-17 291 Riverside About 9 miles SW of Murrieta on the De Luz Road. Comment
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Jan 23 2009
  UCD60917  Echinochloa crus-galli F. M. Reed 1918-9-15 4012 Riverside Bluffs Ranch. Comment
  CAS-BOT-BC445577  Echinodorus berteroi S. B. Parish 1895-11-1 s.n. Riverside Elsinore Lake Comment
  UC69324  Echinodorus berteroi F. M. Reed 1903-6-13 668 Riverside Lakeview Comment
  UCR167446  Eclipta prostrata 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
  UCR189551  Eclipta prostrata Fred M. Roberts, S. Leatherman 2007-9-19 6578 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  CLARK-A1045-317  Eleocharis bella George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near headwaters of creek; Wildomar 7.5'Q Comment
  CLARK-A1656-829  Eleocharis geniculata Jon Mark Stewart 1982-11-13 82-014 Riverside Indio Hills 198 Comment
  UC839180  Eleocharis macrostachya P. A. Munz and I. M. Johnston 1922-5-18 5323 Riverside 1/2 mi S of Lake Elsinore Comment
  UCR275578  Eleocharis macrostachya T. B. Salvato, Jennifer Weiland 2005-6-13 605- 1 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  UCR43787  Eleocharis montevidensis R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60632 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along seasonal stream in Cole Canyon, near entrance to the Nature Conservancy Reserve 534 Comment
  UCR162883  Eleocharis palustris Fred M. Roberts 1996-3-27 4959 Riverside Perris Basin, Skunk Hollow, just N of Temecula, c. 3.4 km ENE jct SR 79 and Murrieta Hot Springs Rd, near S end of basin 407 Comment
  RSA746528  Eleusine coracana subsp. africana R. E. Riefner Jr. 2004-7-30 4 -280 Riverside City of Norco, north side of Sixth St. at Sierra Ave. 200 Comment
  UCR195142  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35940 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  CAS-BOT-BC227736  Elymus elymoides Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38108 Riverside San Bernardino National Forest, San Jacinto Mts.: Above James Reserve in Hall Canyon 1676 Comment
  UC38193  Elymus glaucus H. M. Hall July 1901 2455 Riverside Tauquitz Valley San Jacinto Mountains 2133 Comment
  POM259163  Elymus glaucus subsp. glaucus P. A. Munz 1938-8-14 15350 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  RSA591814  Elymus glaucus subsp. glaucus E. W. Lathrop 1973-6-28 7438 Riverside Main Divide Truck Trail between El Cariso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR107742  Elymus glaucus subsp. jepsonii D. L. Banks 1997-5-5 1976 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCR2102  Elymus trachycaulus F. M. Reed 1908-7-14 2471 Riverside San Jacinto Mtns., canyon on road to Strawberry Valley [Old Control Rd. from Oak Cliff, vicinity of Halfway Spring] 1220 Comment
  UCR207759  Elymus triticoides O. F. Clarke 2004-5-31 s.n. Riverside San Bernardino Valley Region, Riverside, along Spring Brook on the west side of Fairmont Park 238 Comment
  JEPS1600  Emmenanthe penduliflora L. J. Childs May 1920 Riverside Mecca Hills Colorado Desert (canyon E of lava shallow) Comment
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Nov 19 2011
  RSA747732  Emmenanthe penduliflora Scott D. White, Justin M. Wood 2009-3-24 12571 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
  UCR162411  Emmenanthe penduliflora S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR137693  Emmenanthe penduliflora var. penduliflora D. L. Banks, V. W. Steinmann 1997-3-13 1479 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
  JEPS34097  Encelia actoni W. L. Jepson 1935-4-19 17080 Riverside San Gorgonio Pass Comment
  POM13872  Encelia actoni E. C. Jaeger 1921-7-15 1167 Riverside San Jacinto Canyon 610 Comment
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Nov 6 2011
  RSA594004  Encelia actoni D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0936 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
  CAS-BOT-BC293733  Encelia farinosa Mona Bourell 1987-4-14 3274 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  RSA727085  Encelia farinosa Naomi Fraga, Lisa Rojas 2005-2-10 1374 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UC1929588  Encelia farinosa Steve Boyd 2007-4-20 11724 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh Canyon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading t 549 Comment
  UC809737  Encelia farinosa E. K. Balls 1949-4-2 12903 Riverside near Durmid (on Highway 111 and slopes toward Salton Sea); Colorado Desert -67 Comment
  UCD130857  Encelia farinosa Donald W. Kyhos 1965-3-13 65 -111 Riverside 6.2 miles west of junction of Hwy 78 and Hwy 60-70 near Blythe. Comment
  UCD131212  Encelia farinosa R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  UCR100290  Encelia farinosa B. G. Pitzer 1997-4-20 3176 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  SEINET9290926  Encelia farinosa Unknown 1965-3-13 65 -111 Riverside Riverside Comment
  POM305624  Encelia farinosa var. farinosa Henry J. Ramsey, Henry J. Ramsey 1937-3-2 875 Riverside Between Blythe and Parker. Comment
  SDSU13898  Encelia farinosa var. farinosa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2159 Riverside Santa Margarita Ecological Reserve (SDSU), along north-south running dirt road. 396 Comment
  SBBG119451  Encelia frutescens A. C. Sanders 1989-9-19 9494 Riverside along Ridge Rd; Chocolate Mtns Aerial Gunnery Range 457 Comment
  SD224841  Encelia frutescens G. K. Helmkamp 1998-4-4 3132 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd). 456 Comment
  UCR277626  Encelia frutescens Aaron C. Sedgwick 2012-11-9 164 Riverside Mojave Desert, south of Needles, Chemehuevi Wash basin, west of Hwy 95 on Turtle Mountain Road 76 Comment
  CLARK-A1528-1811  Encelia virginensis subsp. actonii John C. Roos 1941-8-2 84 Riverside 609 Comment
  CAS-BOT-BC81548  Ephedra californica Philip A. Munz 1940-3-22 15656 Riverside [Whitewater] White Water Canyon, 2 miles north of Banning-Indio boulevard Comment
  CAS-BOT-BC81551  Ephedra californica Marcus E. Jones 1903-5-10 s.n. Riverside Palm [Spring] Springs 60 Comment
  HSC83023  Ephedra californica N. M. Fellows 1985-3-16 100 Riverside Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mi. W of Snow Creek Village 489 Comment
  RSA773191  Ephedra californica Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4894 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
  SFV17218  Ephedra californica J. W. Dole 1980-11-1 Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  SEINET11194631  Ephedra californica M. M. Whetzel, M. F. Barrus 1920-3-13 196 Riverside Colorado desert near Cabazon. Comment
  UCR281566  Epilobium campestre Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-30 517- 123 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  UCR114315  Epilobium canum Mitch Provance 2000-7-23 905 B Riverside Jurupa Mtns, Property just NE of the Jurupa Mtns. Cultural Center 305 Comment
  RSA512  Epilobium canum subsp. latifolium J. T. Howell 1927-8-2 572 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  RSA674524  Epilobium canum subsp. latifolium Scott D. White 2000-11-15 8147 Riverside Idyllwild area, Strawberry Fuelbreak between Inspiration Pt. and Strawberry Ck. 1402 Comment
  UCR41346  Epilobium canum subsp. latifolium N. M. Fellows 1984-11-12 23 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
  UCR39543  Epilobium ciliatum A. C. Sanders 1980-8-21 1777 Riverside San Jacinto Mountains, Mt. San Jacinto Wilderness Area. east of Saddle Junction at the head of Tahquitz Creek, c. 2 mi NE of Idyllwild 2409 Comment
  RSA191397  Epilobium ciliatum subsp. ciliatum E. W. Lathrop, Thorne 1967-9-26 6644 Riverside 6 miles NW of Murrieta. Comment
  UC56487  Epilobium ciliatum subsp. ciliatum E. E. Schellenger July, 1901 Riverside Thompson's Springs Comment
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Mar 22 2014
  POM48369  Epilobium ciliatum subsp. glandulosum P. A. Munz 1924-7-27 8779 Riverside Dark Canyon. 1738 Comment
  UC1931076  Epilobium densiflorum Scott D. White, Justin Wood 2008-7-9 12427 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  UCR202593  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-7-8 12399 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR202595  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-7-9 12427 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  UC4487  Epipactis gigantea Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  RSA639350  Equisetum laevigatum L. C. Wheeler 1933-5-28 1864 Riverside Santa Ana River at Chino Creek. Comment
  UC810270  Equisetum laevigatum Crawford and Johnston 1917-6-9 1216 Riverside Santa Ana River near Corona Comment
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Jun 9 2011
  UCR114926  Equisetum laevigatum L. C. Wheeler 1932-7-9 935 Riverside Santa Ana River at Chino Creek, (El Rincon) Corona 152 Comment
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Jul 22 2015
  UCR119806  Eragrostis A. C. Sanders, Mitch Provance 1999-9-26 23092 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  IRVC27429  Eragrostis barrelieri A. C. Sanders, S. Ogg 1994-7-28 15168 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  POM2934  Eremalche exilis I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 274 Comment
  UCR108723  Eremalche exilis Scott D. White, Pam DeVries 1998-3-3 6089 Riverside Sonoran (Colorado) Desert, La Quinta/ Palm Desert area, Whitewater River channel at and near Miles Avenue crossing. 30 Comment
  RSA0042158  Eremalche rotundifolia Duncan S. Bell, Evan Meyer 2014-4-2 6503 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCSB10035  Eremalche rotundifolia Haller, John 1958-5-22 Riverside Immediately S. of Hy. 60-70, 5.8 miles E. of Desert Center Comment
  UCR279336  Eremothera refracta A. C. Sanders, Jim Malusa 2017-3-23 42921 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
  CAS-BOT-BC514320  Eriastrum densifolium subsp. austromontanum Peter H. Raven; R. Snow 1957-7-26 11103 Riverside Just below Vista Grande Ranger Station, Banning--Idyllwild Rd, San Jacinto Mts. Comment
  UC667329  Eriastrum eremicum subsp. eremicum Annie M. Alexander and Louise Kellogg 1941-5-23 2219 Riverside 4 mi ne Cottonwood Spring; Colorado Desert, Eagle Mountains 1112 Comment
  SD212698  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 Canyon/Scott Road, and North of Clinton Keith Road, vicinity of peak 2279 579 Comment
  RSA0120683  Eriastrum harwoodii Duncan S. Bell 2010-5-1 911 Riverside Arica Mountains: northwest of mountain range, approximately 6.5 air miles southwest of the ghost town of Rice, and approximately 5 air miles northwest of Priests Well. 339 Comment
  UC455473  Eriastrum sapphirinum I. J. Condit 1910-6-24 Riverside on lower slopes and in San Jacinto Canyon San Jacinto Mts. 914 Comment
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Nov 1 2007
  UCR21965  Eriastrum sapphirinum Steve Boyd 1980-5-20 292 Riverside Harford Springs County Park, NW corner of the Gaviln Plateau. S fork of the creek, S end of park Comment
  RSA0118097  Eriastrum sapphirinum subsp. brevibracteatum Sarah DeGroot, Kristin Forgrave 2013-6-4 7010 Riverside Off Rouse Hill Road, Forest Route 5S15, ~0.9 miles from Highway 74. In canyon below road. 598 Comment
  RSA0121572  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, Valerie Soza 2004-6-22 11546 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  RSA0122948  Eriastrum sapphirinum subsp. dasyanthum T. B. Salvato, John Green 2004-5-27 623 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  RSA0121580  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1960-6-9 4946 Riverside 14 miles west of Murrieta. Comment
  RSA0121586  Eriastrum sapphirinum subsp. dasyanthum Marcy Keys 1981-5-16 63 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. 404 Comment
  SD181418  Eriastrum sapphirinum subsp. sapphirinum Scott D. White 2000-8-5 8111 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River) (Idyllwild) 1402 Comment
  RSA597062  Ericameria brachylepis D. L. Banks, Lauren Raz 1996-11-5 1147 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  RSA314172  Ericameria cuneata Walter Wisura 1983-11-12 3950 Riverside Along trail above Morris Ranch Rd., above Garner Valley, San Jacinto Mtns. Comment
  POM281150  Ericameria cuneata var. spathulata Ethel Rush 1951-4-12 166 Riverside Split Rocks Tank, Joshua Tree Natl. Mon. Little San Bernardino Mt. Range, Salton Sea Drainage Area. 1067 Comment
  LA202470  Ericameria linearifolia K. Watkins; Elizabeth McClintock 1937-4-10 sn Riverside Palms to Pines highway near road to Shumay Comment
  UCR181166  Ericameria linearifolia R. E. Riefner Jr. 2006-3-4 06- 48 Riverside Peninsular Range; San Jacinto Mtns, near Anza, c. 1.5 mi. west from Pine Meadow on Hwy 74 and 1.5 mi. NW from Hamilton Creek 1320 Comment
  UCR243161  Ericameria linearifolia LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4298 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
  JOTR33673  Ericameria nauseosa var. mohavensis La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 2663 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  UC729926  Ericameria nauseosa var. oreophila Carl B. Wolf 1932-7-18 Riverside Rancho Sanata Ana Botanic Garden Comment
  CAS-BOT-BC299526  Ericameria palmeri var. pachylepis A. C. Sanders 2004-5-11 27853 Riverside Alberhill Mountain, lower south-facing slopes southeast of the clay mining area, Elsinore Basin Region 449 Comment
  RSA689513  Ericameria palmeri var. pachylepis Scott D. White, Michael Honer 2003-4-2 8898 Riverside Temescal Valley: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  CDA29898  Ericameria palmeri var. palmeri Mike Lahti 2009-10-2 PDR# 1501842 Riverside Santa Rosa Hills, west of the city of Murrieta. 0 Comment
  LA27286  Ericameria paniculata Lewis S. Rose; 1946-12-25 46307 Riverside San Gorgonia Pass, 5 mi. E of Cabazon, Comment
  RSA604748  Ericameria pinifolia A. C. Sanders, J. C. Lyman 1995-4-16 16558 Riverside Glen Avon: Jurupa Hills (draining toward Fontana), Pyrite St. Canyon. 335 Comment
  UC86756  Erigeron breweri var. jacinteus A. W. Anthony 1895-7-12 Riverside San Jacinto Mountains 2438 Comment
  POM357459  Erigeron foliosus Norman C. Cooper 1949-6-29 4302 Riverside East side of San Jacinto Mountains 1524 Comment
  UC31476  Erigeron foliosus var. foliosus W. L. Jepson and H. M. Hall 1901-5-1 1977 Riverside Temecula Creek Comment
  CAS-BOT-BC296247  Erigeron foliosus var. foliosus Peter H. Raven; R. Snow 1957-7-26 11083 Riverside Banning-Idyllwild Road, 6.5 mi. n. of road to Twin Pines Ranch, San Jacinto Mts. Comment
  UCR24001  Eriochloa acuminata Alfred R. Roos 1937-11-28 s.n. Riverside East Washington Street, Riverside 457 Comment
  CLARK-A1703-91  Eriodictyon crassifolium Robin L. Kobaly 1972-5-20 RLK 720520 Riverside San Jacinto Mountains 1127 Comment
  SEINET271036  Eriodictyon crassifolium Richard J. Shaw 1958-4-6 1103 Riverside Palms to Pines Highway, between Idyllwild junction and Hemet 1067 Comment
  SD229193  Eriodictyon crassifolium var. crassifolium Dick Schwenkmeyer 2012-10-16 847 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UCR107756  Eriodictyon crassifolium var. crassifolium D. L. Banks 1997-5-5 1968 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  CAS-BOT-BC248637  Eriogonum apiculatum Carl B. Wolf 1932-8-4 3913 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  POM184032  Eriogonum apiculatum P. A. Munz 1932-10-16 12846 Riverside Santa Rosa Mountains: road from Indio to Vandeventer Flat. 1159 Comment
  RSA0099998  Eriogonum apiculatum Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8571 Riverside Santa Rosa Mountains; along Forest Service Road 7S02, approx. 0.7 air mile west of the summit of Santa Rosa Mountain. 2233 Comment
  SD67905  Eriogonum apiculatum Reid Moran 1968-8-3 15355 Riverside at roadside, ridge 1 mile NW of Toro Peak 2250 Comment
  UC412786  Eriogonum apiculatum F. M. Reed 1908-7-14 2487 Riverside summit of Tahquitz pass San Jacinto Mts. 2438 Comment
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May 1 2011
  UCR13883  Eriogonum apiculatum J. Zabriskie 1973-8-16 401 Riverside Santa Rosa Mountains, Santa Rosa Mtn. 2134 Comment
  CAS-BOT-BC242790  Eriogonum davidsonii Winifern W. Swarth 1914-9-6 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  POM209223  Eriogonum davidsonii S. G. Stokes 1933-7-1 106 Riverside Roadside talus near Idyllwild, San Jacinto Mountains. Comment
  HSC28456  Eriogonum deflexum var. deflexum Richard Spjut 1973-5-5 3347 Riverside Colorado Desert, near Corn Spring, Chuckawalla Mtns. 305 Comment
  UCR92601  Eriogonum elongatum Scott D. White, M. A. Patten 1995-8-16 3544 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
  UCR177510  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32529 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
  POM159932  Eriogonum fasciculatum var. flavoviride E. C. Jaeger 1926-3-26 s.n. Riverside Cottonwood Springs. Comment
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Oct 9 2010
  UC1220422  Eriogonum fasciculatum var. flavoviride R. L. Langston 1963-4-11 347 Riverside about 1 mi w Cottonwood Springs; Joshua Tree National Monument Comment
  CAS-BOT-BC250129  Eriogonum fasciculatum var. polifolium Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  UCR150008  Eriogonum fasciculatum var. polifolium Scott D. White, Angelia Carey 2004-4-16 10168 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  UCSB1477  Eriogonum fasciculatum var. polifolium Haller, John 1950-5-21 Riverside San Jacinto Mts; Palms-to-Pines Hwy; 9 mi from desert floor Comment
  RSA773654  Eriogonum gracile Duncan S. Bell, Joy D. England 2010-10-5 1973 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 781 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
  UCR265026  Eriogonum gracile var. gracile Mitch Provance, Jeremiah George 2012-8-4 812- 38 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  RSA90136  Eriogonum gracile var. incultum E. K. Balls, Percy C. Everett 1953-8-19 18529 Riverside On Hwy from Banning to Idyllwild, SE from Lake Fullmore. 1677 Comment
  UCR165285  Eriogonum inflatum John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  JOTR34393  Eriogonum maculatum Andre, Jim 2012-4-16 20922 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
  UC219185  Eriogonum plumatella E. C. Jaeger 1921-11-5 251 Riverside near Hole-In-The-Wall Spring; Dry Morongo Wash Comment
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Nov 5 2011
  UCR104041  Eriogonum pusillum George K. Helmkamp 1998-4-3 3066 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  CLARK-A1528-3702  Eriogonum reniforme John C. Roos 1937-4-23 1818 Riverside Dry Morongo Canyon Comment
  UC667265  Eriogonum reniforme Annie M. Alexander and Louise Kellogg 1941-5-15 2178 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  JOTR00998  Eriogonum saxatile Cole, James E. 1941-5-29 s.n. Riverside Joshua Tree National Park. QUAIL MOUNTAIN 1493 Comment
  JEPS56263  Eriogonum thomasii W. L. Jepson 1927-4-12 11655 Riverside Painted Canyon Mecca Hills, Painted Canyon 76 Comment
  SBBG28232  Eriogonum thomasii F. W. Peirson 1927-4-12 7171 Riverside Painted Cyn, near Mecca Comment
  SBBG81504  Eriogonum thomasii S. A. Junak 1983-3-23 1622 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  SEINET3087249 Image available Eriogonum thomasii Norman C. Cooper 1949-4-8 3247 Riverside Mecca Pass east of Indio. Comment
  UC1930209  Eriogonum thomasii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11213 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region; 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 Comment
  UC6366  Eriogonum thomasii C. R. Orcutt Apr. 1889 Riverside Colorado Desert Comment
  RSA0119600  Eriogonum thomasii Lyman Benson, Robert Benson 1952-4-8 14855 Riverside 2 miles west of Shaver Summit east of Indio, U.S. 66. Drainage area: Colorado desert. 610 Comment
  CAS-BOT-BC262880  Eriogonum thurberi Ivan Johnston 1917-4-4 1085 Riverside Colorado Desert. Near Palm Springs 152 Comment
  POM158196  Eriogonum thurberi P. A. Munz, I. M. Johnston 1928-9-6 11278 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
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Dec 29 2009
  CAS-BOT-BC263596  Eriogonum trichopes Geo. B. Grant 1906-4-20 6719 Riverside Palm Springs, Colorado Desert Comment
  RSA656534  Eriogonum trichopes A. C. Sanders 2000-4-27 23372 Riverside east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  UC1547002  Eriogonum trichopes Leila M. Shultz, John S. Shultz 1985-4-17 8304 Riverside southern extension of the Big Maria Mountains Big Maria Mountains 97 Comment
  UCSB24382  Eriogonum wrightii Wheeler, Louis 1933-12-1 Riverside Mouth of Tahquitz Canyon; San Jacinto Mts 152 Comment
  CAS-BOT-BC264925  Eriogonum wrightii var. membranaceum Lester Rowntree 1929-11-13 s.n. Riverside San Jacinto Mts. Comment
  UC1080367  Eriogonum wrightii var. membranaceum E. K. Balls and P. C. Everett 1957-8-20 22674 Riverside Hamilton Grade along rd. from Palms to Pines Hwy. to Aguanga; Hamilton Grade 1463 Comment
  CAS-BOT-BC261778  Eriogonum wrightii var. nodosum P. A. Munz 1932-10-16 12852 Riverside North base of Santa Rosa Mts., road Indio to Vandeventer Flat 609 Comment
  UCR82838  Eriogonum wrightii var. nodosum A. C. Sanders, P. J. MacKay 1994-10-23 15845 Riverside San Bernardino Mtns., Between the trout hatchery and Bonnie Bell 780 Comment
  RSA0104079  Eriogonum wrightii var. wrightii Duncan S. Bell, Evan Meyer 2014-10-28 7667 Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  RSA264066  Eriophyllum ambiguum var. paleaceum Noel Holmgren, Patricia K. Holmgren 1975-5-11 7980 Riverside Kingston Range, 15 miles aboe Horse Thief Springs, 19 airline miles ESE of Tecopa. 1524 Comment
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Aug 25 2013
  UC62977  Eriophyllum ambiguum var. paleaceum H. M. Hall 1901-5-1 1845 Riverside e base, along the borders of Colorado Desert; San Jacinto Mountains, Colorado Desert Comment
  OBI8313  Eriophyllum confertiflorum David J. Keil, Malcolm McLeod 1977-3-26 12028 Riverside 0.7 mi W of jctn with Riverside county rd. R-3 (to Hemet) along Calif Rt 79. 549 Comment
  RSA388778  Eriophyllum confertiflorum F. T. Sproul 1977-8-10 183 Riverside On hill W of Pioneer Mail. 1700 Comment
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Mar 18 2013
  UCR177115  Eriophyllum confertiflorum Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1107 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  UCR230932  Eriophyllum confertiflorum T. B. Salvato, Richard Camacho 2011-6-12 5488 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UCR279389  Eriophyllum lanosum A. C. Sanders, Jim Malusa 2017-3-24 42978 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 735 Comment
  CAS-BOT-BC301787  Eriophyllum multicaule P. A. Munz 1922-4-29 5080 Riverside Leach Canyon, Santa Ana Mts 548 Comment
  UCR87984  Eriophyllum multicaule Karin Cleary-Rose 1992-4-6 115 Riverside Lakeview Mtns, Reinhardt Canyon, west of Hemet, W side of California Street. 585 Comment
  JEPS29478  Eriophyllum wallacei Lauramay T. Dempster 1962-4-17 1893 Riverside about 1 mi below Fish Hatchery; Whitewater Canyon Comment
  RSA69366  Eriophyllum wallacei G. R. Campbell 1951-5-30 16139 Riverside 9 miles west of Anza. 1067 Comment
  UC1259282  Eriophyllum wallacei T. J. Watson Jr. 1970-3-25 369 Riverside Cottonwood Springs; Joshua Tree National Monument Comment
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Oct 9 2010
  SD255763  Erodium botrys Mitch Provance 2012-5-24 512 1 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
  CDA4668  Erodium cicutarium T. C. Fuller 1963-4-23 10296 Riverside San Jacinto Mountains; Highway 74 to Palm Desert, just east of Pinyon Flat. 0 Comment
  RSA741201  Erodium cicutarium Scott D. White, Justin M. Wood 2008-5-15 11969 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 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
  UCR155302  Erodium cicutarium A. C. Sanders 2005-5-4 29839 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR213836  Erodium cicutarium Scott D. White, Justin M. Wood 2009-5-21 12850 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  UCR92611  Erodium cicutarium Scott D. White 1994-3-29 1942 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  SD224984  Erodium moschatum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19874 Riverside Lake Skinner area: lower Rawson canyon, just NE of the lake along the road. 456 Comment
  RSA744237  Erodium texanum M. Wall 2009-4-5 504 Riverside Ridge line above Ladder Canyon off Painted Canyon east of Mecca 279 Comment
  CSUSB1404  Erysimum capitatum Robin Maetche 1971-5-19 S. N. Riverside Idyllwilde city limits Comment
  RSA483603  Erysimum capitatum var. capitatum D. Charlton 1988-5-21 1961 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1829 Comment
  UCSB2347  Erysimum capitatum var. capitatum Kamb, Peter 1947-6-7 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA0016061  Erythranthe breweri Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1735 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA0020243  Erythranthe floribunda Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 644 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SD135326  Erythranthe rubella Craig Reiser, Dylan Hannon 1993-5-30 Riverside Santa Rosa Peak, north slope Comment
  RSA0022975  Eschscholzia androuxii F. W. Peirson 1927-4-11 7153 Riverside 0.5 mile below Whitewater Bridge, head of Coachella Valley. Comment
  SEINET10904732  Eschscholzia californica A. K. Evans 1976-4-13 Evans 5147 Riverside Rocky slopes of santa rosa mountains. Comment
  RSA777723  Eschscholzia minutiflora Jim Andre, G. L. Clifton 2011-2-22 17424 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  RSA0023221  Eschscholzia papastillii Barry A. Prigge 1988-2-21 7841 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  UCD96467  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 261 Riverside California. Riverside County: Joshua Tree National Park. 540 Comment
  CHSC99598  Eschscholzia parishii LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1421 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115deg.19'54'W to 33deg.36'52'N, 115deg.19'54'W. UTM 3721895N,655238E to 372066N, 654757E. General collecting along canyon bottom and slopes. Yellow flowered annual growing in sand on bottom of canyon. 514 Comment
  GMDRC9806  Eschscholzia parishii J. M. Andre 2017-3-1 38025 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  RSA66744  Eschscholzia parishii F. W. Peirson 1927-4-12 7167 Riverside Painted canyon, near Mecca. Comment
  UC635608  Eschscholzia parishii H. L. Mason 1928-3-10 4244 a Riverside road from Indio to Palm Springs Comment
  UCR208851  Eschscholzia parishii Scott D. White 2001-4-3 8231 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
  RSA776842  Eschscholzia parishii Amber Swanson, Duncan S. Bell 2011-3-18 227 Riverside Above wash about 3 airmiles SE of Desert Center Nof the Chuckwalla Mtns 384 Comment
  RSA0112040  Eucalyptus camaldulensis A. C. Sanders, John F. Green 2012-3-20 39978 Riverside Peninsular Range; Elsinore Trough: Lake Elsinore, Collier Ave. at 3rd St., just south of I-15 Fwy. 389 Comment
  RSA496136  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-19 3022 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  UCR128565  Eucrypta chrysanthemifolia A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23906 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
  SBBG64804  Eucrypta micrantha Anstruther Davidson 1985-1 Riverside Palm Springs Comment
  UC489088  Euonymus occidentalis var. parishii C. V. Meyer 1928-7-24 514 Riverside San Jacinto Mts., Idyllwild Falls 1889 Comment
  UCR120909  Euphorbia albomarginata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24947 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR223972  Euphorbia albomarginata A. C. Sanders 2011-3-23 38801 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  UCR235095  Euphorbia albomarginata A. C. Sanders, John F. Green 2012-5-27 40198 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, powerline route west of Valley Substation (on Menifee Rd.), N of McLaughlin Rd. on the E side of San Jacinto Rd 441 Comment
  JEPS2595 Image available Euphorbia eremica W. L. Jepson 1914-5-23 6047 Riverside Conchilla Desert Colorado Desert 60 Comment
  UCR181163  Euphorbia ophthalmica R. E. Riefner Jr. 2005-8-7 05- 591 Riverside Sonoran (Colorado) Desert, Coachella Valley; Rancho Mirage, along Hwy 111 76 Comment
  CLARK-A1528-2705  Euphorbia polycarpa John C. Roos 1965-6-23 Riverside Cactus City Comment
  UCR102049  Euphorbia polycarpa B. G. Pitzer 1997-10-19 3353 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  RSA70391  Euphorbia polycarpa var. hirtella F. W. Peirson 1928-4-24 7910 a Riverside Below Cottonwood Spring, northern edge of Colorado Desert. Comment
  CSUSB640  Euphorbia polycarpa var. polycarpa R. P. Sunderman 1968-4-24 Riverside University of California campus, Riverside 396 Comment
  UCR3222  Euphorbia prostrata O. F. Clarke 1970-9-20 s.n. Riverside City of Riverside, O.F. Clarke residence, 1012 Spruce Street [now the site of an apartment complex, 2001]. 305 Comment
  UCR116398  Euphorbia revoluta J. Zabriskie 1976-10-15 944 Riverside Santa Rosa Mtns / Colorado Desert, Deep Canyon Desert Research Area, downslope to Deep Canyon from Bighorn Overlook, along Hwy 74. 1098 Comment
  UCR201617  Euphorbia serpillifolia subsp. hirtula Scott D. White, Justin M. Wood 2008-6-18 12237 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  UCD142865  Euphorbia setiloba G. L. Webster; R. Hildreth 1966-12-10 7467 Riverside Box Canyon, c. 9-10 mi NE of Mecca on Cal. 195. 243 Comment
  UCD142866  Euphorbia setiloba G. L. Webster; R. Hildreth 1966-12-10 7462 Riverside Joshua Tree National Mon., Cottonwood Canyon. 701 Comment
  SEINET5789101 Image available Euphorbia setiloba L. S. Rose 1946-12-23 46302 Riverside Cathedral Canyon Wash, Riverside County, CA Comment
  CAS-BOT-BC239709  Fabaceae Elizabeth McClintock 1958-4-5 s.n. Riverside In Painted Canyon, Colorado Desert Comment
  SEINET3071531 Image available Fagonia laevis George K. Helmkamp, E. A. Helmkamp 1998-1 2657 Riverside Sonoran (Colorado) Desert; Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR250113  Fagonia laevis A. C. Sanders, Clint Shock, Jose Aguiar 2014-3-6 40965 Riverside Sonoran (Colorado) Desert, along Box Canyon road c. 2.6 miles SW of I-10 junction, above the head of Box Canyon 435 Comment
  UCR52013  Fagonia laevis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2203 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  SEINET3005077  Fagonia pachyacantha G. Rink 2011-5-1 10515 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UCR137695  Festuca megalura D. L. Banks, V. W. Steinmann 1997-3-13 1481 B 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
  JOTR34182  Festuca microstachys La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3232 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  UCR23935  Festuca myuros John C. Roos, L. Roos 1950-4-15 4741 Riverside Peninsular Range, Box Springs Mtns., Pigeon Pass 457 Comment
  LA13138  Festuca octoflora Carl Epling; 1927-3-28 sn Riverside Palm Springs Comment
  SD237518  Ficus palmata A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37152 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA272185  Filago californica C. W. Tilforth 1978-4-30 1581 a Riverside Low, rounded hills east of Norco Comment
  RSA500100  Filago californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3210 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  UCR260547  Filago californica T. B. Salvato, Matt Malle 2014-5-29 8023 A Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  UCR166299  Filago depressa A. C. Sanders, P. J. MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19675 Riverside Colorado Desert/San Jacinto Mtns, Palm Springs, Indian Avenue at Las Vegas Road, below mouth of Chino Canyon 188 Comment
  UCR274190  Filago gallica T. B. Salvato, Gregg Miller 2005-6-7 1436 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  NY43039  Forestiera pubescens J. B. Walker 1995-4-4 1310 Riverside San Bernardino National Forest, Santa Rosa Mtn truck trail, 4km S of Hwy 74 1600 Comment
  POM13750  Forestiera pubescens E. C. Jaeger 1920-4-13 67 Riverside Onstatt Cr. Santa Rosa Mts. Comment
  RSA502199  Forestiera pubescens Steve Boyd, Tim Ross, L. Arnseth 1989-6-11 3706 b Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
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Oct 23 2017
  RSA595703  Forestiera pubescens R. E. Riefner Jr. 1996-7-15 96 -154 Riverside W of community of El Cerrito, NW 1mile from Minnesota Road & Temescal Wash. Comment
  RSA69882  Forestiera pubescens F. W. Peirson 1933-4-13 10647 Riverside Between Deep Canyon and Idyllwild, at Palm Canyon crossing 1387 Comment
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Oct 31 2011
  SEINET244832 Image available Forestiera pubescens A. C. Sanders 2002-4-16 24967 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 549 Comment
  UCR154447  Forestiera pubescens A. C. Sanders, Mike Misenhelter 2005-6-15 30958 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
  CSUSB830  Fouquieria splendens John N. Bullock 1970-5-8 s.n. Riverside 75 meters west of California State Highway 195 8.1 m. east of the All American Canal, Mecca Hills, T.6 S., R.10 E., n.w. quarter of section 35, c880 feet. (Mortmar 7 1/2, 1958.) 268 Comment
  SBBG13910  Fouquieria splendens E. R. Blakley 1962-11-25 5484 Riverside 1 mi W of Desert Center 274 Comment
  HSC86126  Fragaria vesca Jane Hildreth 1981-6-4 17 Riverside James Reserve in the San Bernardino National Forest along Hwy. 243, San Jacinto Mtns. 1616 Comment
  UCR16771  Fragaria vesca subsp. californica Ed West 1972-5-5 07 Riverside San Jacinto Mtns, 17.4 mi from Banning on the Palms-to-Pines Hwy [Hwy 243], beside Fuller Mill Creek 1707 Comment
  CAS-BOT-BC53339  Frangula californica subsp. cuspidata Carl B. Wolf 1932-8-6 3989 Riverside San Jacinto Mts. Strawberry Valley. Base of Devil's Slide Trail to Tahquitz Valley 1706 Comment
  JEPS30096  Frankenia salina S. B. Parish 1897-5-31 4396 Riverside Elsinore 396 Comment
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Nov 24 2011
  SEINET5924772 Image available Franseria dumosa L. C. Higgins 1974-1 8489 Riverside 5 mi S of Morongo Valley on Hwy 62 Comment
  POM48951  Frasera parryi P. A. Munz, I. M. Johnston 1924-7-26 8720 Riverside Pine Flats Camp, San Jacinto Mtns. 1677 Comment
  RSA284586  Frasera parryi C. W. Tilforth, John Dourley 1980-7-15 2081 Riverside South leg of Thomas Mountain Road, south of Lake Hemet, west of Hiway 74. Comment
  UCR178341  Fraxinus dipetala T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 139 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
  UCR92241  Fraxinus dipetala Scott D. White 1994-3-29 1935 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  UC55739  Fraxinus velutina H. M. Hall 1898-6-28 959 Riverside e of Kenworthy (s side of San Jacinto Mts.); San Jacinto Mts. Comment
  UC878066  Fraxinus velutina P. A. Munz 1922-6-24 5810 Riverside Pipe Creek San Jacinto Mts., Kenworthy 1524 Comment
  RSA524592  Fritillaria biflora Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3907 Riverside Vail Lake area, summit of Big Oak Mountain, N of lake. 793 Comment
  UCR162886  Fumaria parviflora Fred M. Roberts, Pam De Vries 2004-4-4 6027 Riverside Colorado Desert; Colorado Desert Western Region, Coachella Valley: Sun City, c. 20m S Avenue 38 and 1.4km W Washington Ave, just N of I-10 41 Comment
  SEINET10580661  Funastrum hartwegii Philip A. Munz 1932-4-24 Munz 12397 Riverside Snow Creek Canyon, San Jacinto Mts. 457 Comment
  RSA0108817  Funastrum utahense Duncan S. Bell, Amanda Turek 2009-3-30 186 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  UCR135860  Galium angustifolium A. C. Sanders 2004-4-20 27526 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  JEPS56073  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4241 Riverside at Keyes Drive San Jacinto Mts. Poppet Flat 1097 Comment
  JEPS56075  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-1-21 4177 Riverside Hwy 79 10.1 mi s Hemet (e-facing slope in hills) Comment
  JEPS56076  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-1-21 4176 Riverside Hwy 79 3 mi nw Gilman Hot Springs (s of Beaumont, w-facing rocky slope) Comment
  UC219317  Galium angustifolium subsp. angustifolium P. A. Munz 1922-6-27 5858 Riverside Santa Rosa Santa Rosa Mts. 2011 Comment
  UC416636  Galium angustifolium subsp. angustifolium H. M. Hall 1896-9-2 325 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC223055  Galium angustifolium subsp. gracillimum Carl B. Wolf 1932-5-24 3648 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1/2 mi. below Fish Hatchery 548 Comment
  UCD170550  Galium californicum subsp. primum D. O. Burge; J. Gee 2017-5-20 2278 Riverside Pine Cove area, roadside on Red Hill Road. 1720 Comment
  RSA674614  Galium porrigens var. porrigens Scott D. White 2000-8-5 8105 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UCR237478  Galium stellatum var. eremicum Duncan S. Bell 2010-3-20 624 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  UCR88574  Gamochaeta stagnalis A. C. Sanders, J. C. Lyman 1995-4-16 16566 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  CAS-BOT-BC178385  Garrya flavescens H. E. McMinn 1925-7-2 1514 Riverside Tahquitz Trail, Idyllwild, San Jacinto Mts. Comment
  UC1871081  Garrya flavescens Steve Boyd, Chris Frazier 1993-4-24 8009 Riverside Peninsular Ranges; Palomar Mountains region; Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. T8S R1W; SE 1/4, NE 1/4 sec. 32. Elev. 2600-2900 feet. Comment
  CAS-BOT-BC158074  Garrya veatchii S. B. Parish 1918-4-3 11696 Riverside Oak Lodge, mouth San Jacinto [Canon] Canyon 914 Comment
  RSA577513  Garrya veatchii D. L. Banks, Steve D. Boyd 1995-1-18 42 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness. N slope of Agua Tibia Mnt., W of Wild Horse Peak, along the Dripping 963 Comment
  UCR248028  Gelsemium sempervirens O. F. Clarke 2010-7-30 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  CAS-BOT-BC303580  Geraea canescens Ira L. Wiggins 1938-3-19 8899 Riverside Colorado Desert 25 miles W of Blythe Comment
  HSC25080  Geraea canescens Richard Spjut 1972-2-7 2175 Riverside Riverside/ San Bernardino Co.; Colorado Desert: along roadside from 4 to 10 mi. W of Rice (N end of Maria Sand Dunes) along Hwy. to Tewnty-nine Palms Hwy. to Desert Center 305 Comment
  OBI2987  Geraea canescens Lewis S. Rose 1967-12-20 67183 Riverside 6 mi SE of Thousand Palms 15 Comment
  SBBG104633  Geraea canescens T. Glenn 1991-4-30 91 -59 Riverside McCoy Mtns NW of Blythe Comment
  SBBG60584  Geraea canescens Mrs. Ashcraft -- Riverside Palm Springs Comment
  UCR196349  Geraea canescens Naomi Fraga, Lisa Rojas 2005-2-10 1405 B Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 361 Comment
  RSA676050  Gilia Scott D. White 2001-4-3 8254 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SDSU12911  Gilia angelensis Jutta Buschbom 1991-6-3 44 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
  UCR281471  Gilia angelensis Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-3-31 317- 97 Riverside Temescal Valley, Corona, N side of Campbell Ranch Rd., 0.2 miles E of intersection with Temescal Canyon Rd. 330 Comment
  UCR96813  Gilia angelensis Scott D. White 1993-3-12 1181 Riverside Near Winchester 466 Comment
  UCR177147  Gilia capitata Scott D. White, Michael Honer 2003-4-25 9108 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UCR252210  Gilia capitata J. Mendoza 2011-5-13 s.n. Riverside Santa Ana River Regional Park near Louis Rubidoux Nature Center 221 Comment
  RSA796519  Gilia capitata subsp. abrotanifolia R. F. Thorne, E. W. Lathrop 1977-5-18 49729 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UCR202332  Gilia capitata subsp. abrotanifolia Peter L. Morrell 1993-5-1 226 Riverside San Bernardino Mtns., c. 300 m west of Whitewater Canyon Rd. along stream bed (upstream), 3.3 miles north of I-10 627 Comment
  JOTR29371  Gilia latifolia La Doux, Tasha, Mike Bell 2006-5-10 1448 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UCR202410  Gilia ochroleuca Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  CAS-BOT-BC407804  Gilia ochroleuca subsp. exilis P. A. Munz 1922-4-29 5098 Riverside Dripping Spring, Temecula Creek 518 Comment
  POM65959  Gilia ochroleuca subsp. exilis H. M. Hall 1902-04 2912 Riverside Vicinity of Winchester 457 Comment
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Mar 20 2011
  UCR108864  Gilia ochroleuca subsp. exilis Heidi A. Haid 1968-5-8 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR115338  Gilia ochroleuca subsp. exilis A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16248 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
  RSA0016280  Gilia ochroleuca subsp. exilis C. W. Tilforth, B. Busenberg 1980-6-10 1992 Riverside Along Thomas Mtn. Rd., west of Hwy 74 and south of Lake Hemet. Comment
  RSA0016286  Gilia ochroleuca subsp. exilis E. A. Zumbro 1897-05 s.n. Riverside Hemet Valley. 1372 Comment
  RSA0017273  Gilia ochroleuca subsp. exilis R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55471 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  SEINET12510617 Image available Gilia scopulorum Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-1 6415 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe. 290 Comment
  UCR149407  Gilia splendens Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-30 91 Riverside San Gorgonio Pass, Morongo Indian Reservation, flat grassland along Millard Canyon Road leading up to Millard Canyon 618 Comment
  RSA150808  Gilia stellata Clare B. Hardham 1962-3-18 8925 Riverside East side of Salton Sea, Route 195 Comment
  UC1025126  Gilia stellata H. K. Wagnon 1944-3-8 307 Riverside near fork of stream in s part Palm Canyon Palm Springs, s part Palm Canyon Comment
  UCR279333  Gilia stellata A. C. Sanders, Jim Malusa 2017-3-23 42938 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  SEINET7042772  Gilia tricolor subsp. diffusa W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  RSA585521  Githopsis diffusa subsp. candida D. L. Banks, S. D. Boyd 1995-5-9 0386 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  UC73173  Glycyrrhiza lepidota M. F. Gilman 1904-1 41 Riverside Banning Comment
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Mar 13 2011
  RSA500118  Gnaphalium californicum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3693 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UCR171962  Gnaphalium californicum 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
  RSA0060583  Gnaphalium californicum Bob Rogers 1984-4-14 8 Riverside Collected in the San Jacinto river-bed on the North side of Highway 74, 0.5 miles past Cranston ranger station going East from Hemet towards Mountain Center. 610 Comment
  RSA552541  Gnaphalium canescens D. Charlton 1987-12-6 1104 Riverside Cottonwood Canyon, first canyon W of Whitewater N of the 10 freeway. N of Palm Springs. Foothills of San Bernardino Mtns. 915 Comment
  UCR91618  Gnaphalium luteoalbum D. L. Banks, Steve Boyd 1995-3-30 0123 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 713 Comment
  UC485697  Gnaphalium palustre Katharine Brandegee 1906-1 Riverside near Riverside; Wilders Ranch Comment
  UCR48402  Gnaphalium palustre Steve Boyd 1986-5-7 1845 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  JOTR34396  Guillenia lasiophylla Andre, Jim 2012-4-16 20928 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  UC1922390  Guillenia lasiophylla Naomi Fraga, Lisa Rojas 2005-2-10 1366 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR92219  Gutierrezia californica D. L. Banks, Steve Boyd 1995-10-26 0828 Riverside NW Palomar Mtns., Agua Tibia Mts., Cleveland Nat'l Forest, west of the Woodchuck trail. 0.8 mi from Wilderness Boundary 744 Comment
  CAS-BOT-BC302143  Gutierrezia sarothrae R. F. Hoover 1966-10-15 10172 Riverside Dead Indian Canyon Comment
  POM256727  Gutierrezia sarothrae W. Pequegnat 1940-7-1 s.n. Riverside Bedford Truck Trail, Santa Ana Mts. 427 Comment
  RSA561421  Gutierrezia sarothrae Steve Boyd, Tim Ross, D. Bramlet 1992-9-9 7688 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  SEINET188337  Halliophytum hallii C. L. Hitchcock 1940-4-2 5926 Riverside Joshua Tree National Monument; Cottonwood Spring wash Comment
  RSA192326  Hazardia squarrosa var. grindelioides E. W. Lathrop 1966-9-14 6893 Riverside 3 miles SW of Murrieta. Comment
  RSA289851  Helianthus annuus subsp. lenticularis B. A. Prigge 1980-9-16 4051 Riverside Indio. Coachella Valley Stormwater Channel. 0 Comment
  CAS-BOT-BC305620  Helianthus californicus Louis Wheeler 1931-10-4 202 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  UCR34977  Helianthus gracilentus L. B. Ziegler 1968-6-25 321 Riverside San Jacinto Mtns., In Morris Ranch area above valley 1616 Comment
  POM11986  Helianthus niveus subsp. canescens M. French Gilman 1922-05 s.n. Riverside Andrea's Canyon, Palm Springs. Comment
  UCR139987  Heliotropium curassavicum A. C. Sanders 2004-8-10 28762 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  UCR26534  Hemizonia kelloggii A. C. Sanders, S. Hagopian 1981-5-20 2139 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UCR239937  Hemizonia mohavensis O. F. Clarke 2003-9-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  RSA192325  Hemizonia paniculata E. W. Lathrop 1967-5-14 s.n. Riverside 1-2 miles SW of Murietta Comment
  RSA486459  Hemizonia paniculata Richard Noyes 1988-10-30 757 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  UCR112754  Hemizonia paniculata A. C. Sanders 1997-11-25 21626 Riverside Skinner/Domenigoni region, S of Hemet, Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, east end of south side of Diamond Valley, c. 2/3 of the way from west dam to east dam 503 Comment
  UCR172215  Hemizonia paniculata John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR235093  Hemizonia paniculata A. C. Sanders, John F. Green 2012-5-27 40196 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, powerline route west of Valley Substation (on Menifee Rd.), N of McLaughlin Rd. on the E side of San Jacinto Rd 441 Comment
  RSA0107472  Hesperocallis undulata Duncan S. Bell, Amanda Turek 2009-3-29 152 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  UCR20356  Hesperocallis undulata Don Emery 1980-3-28 s.n. Riverside Sonoran Desert, Riverside/Imperial Co. line on the E side of Salton Sea, vicinity of Bat Caves Buttes -30 Comment
  SEINET10873418  Heterocodon rariflorum Wilder WILDER s.n. Riverside SAN JACINTO MTS. STRAWBERRY VALLEY Comment
  UCR136161  Heteromeles arbutifolia A. C. Sanders 2004-6-20 28211 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  RSA0075886  Heterotheca grandiflora D. L. Banks, S. D. Boyd 1995-2-16 0045 Riverside [NW Palomar Mountains; Agua Tibia Mountains] Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., on the Dripping Springs Alcove, E of the Woodchuck Trail. 710 Comment
  SEINET11261242  Heterotheca grandiflora N. Duane Atwood 1993-3-28 17717 Riverside Bolsa Chica Ecological Reserve, California Dept. of Fish and Game.; 0 Comment
  RSA339244  Heterotheca horrida subsp. cinerascens R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-22 53595 Riverside Joshua Tree National Monument: Hidden Valley. 1280 Comment
  UCR92775  Heterotheca sessiliflora subsp. fastigiata F. M. Reed 1933-9-20 8083 Riverside San Jacinto Mtns., N shore of Hemet Lake 1525 Comment
  CAS-BOT-BC425263  Heuchera rubescens Winifern W. Swarth 1914-9-14 s.n. Riverside San Jacinto Peak, San Jacinto Mts. 3293 Comment
  CAS-BOT-BC312331  Hieracium albiflorum J. Ewan 1930-8-31 2131 Riverside North fork Tahquitz Creek, San Jacinto Mts. 2499 Comment
  CLARK-A1528-4680  Hilaria rigida John C. Roos 1947-3-1 3298 Riverside Coachella Valley Comment
  UCSB18910  Hilaria rigida Keefe, Joseph 1965-5-18 Riverside Along Pines to Palms Highway, 8 miles east of Pinyon Flats Campground 914 Comment
  UCD115106  Hirschfeldia incana K. Esau 1935-6-15 s.n. Riverside location unknown. Comment
  CAS-BOT-BC207512  Hoffmannseggia glauca Ira L. Wiggins 1934-9-4 8038 Riverside Along Mecca -- Blythe highway 21 miles N. of Blythe Comment
  CDA27093  Hoffmannseggia glauca Agricultural Commissioner Nov 1971 Riverside 0.25 mile south of the existing Highway 60, 4 miles west of Blythe. 0 Comment
  SEINET3365552  Hoffmannseggia glauca G. Rink 2011-9-25 11071 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  LA39345  Hoffmannseggia microphylla Annie M. Alexander; Louise Kellogg 1941-5-17 2192 Riverside near Dos Palmas Comment
  UCR18038  Holocarpha virgata subsp. elongata A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 139 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa west of Murrieta, along Tenaja Rd. about 2 mi west of the eastern escarpment of the Santa Rosa Plateau. Probably collected very near Bench Mark 1847 ft. shown on the topo map 579 Comment
  CAS-BOT-BC285033  Hordeum depressum A. C. Sanders; Carolyn Washburn 2001-5-10 24248 Riverside Perris-Aguanga Basin: San Jacinto River Valley, S side of intersection of Sanderson Ave. and Ramona Blvd., ca. 4 mi. NW of San Jacinto 445 Comment
  UCR211707  Hordeum depressum Fred M. Roberts, Michelle Balk 2006-5-2 6328 Riverside San Jacinto Valley, Hemet, Stoney Mountain Preserve, 1.0 km north of the summit of Tres Cerritos Hills and 0.4 km southeast of the junction of Warren Road and Esplanade Road 458 Comment
  UCR225736  Hordeum depressum A. C. Sanders, T. B. Salvato 2011-3-30 38892 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  UCR231750  Hordeum depressum John F. Green 2008-4-21 03- 03 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and Alabaster Loop, east of the San Jacinto River 457 Comment
  UCR281279  Hordeum depressum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 19 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  RSA601925  Hordeum intercedens D. E. Bramlet 1997-3-13 2497 Riverside Nichols Road Wetlands. This site is located aproximatly 183 m. southeast of Nichols Road, 91m west of Collier Ave. and 196m west of I-15., The locality is east of the existing dirt road extending south from Nicholas Rd. and adjacent to Alberhll Creek. 381 Comment
  RSA551080  Hordeum marinum R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51993 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA751251  Hordeum marinum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35601 Riverside plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  RSA729802  Hordeum marinum subsp. gussoneanum R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51993 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCR154546  Hordeum murinum Jason L. Hlebakos 2005-5-13 675 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, large vernal pool on Mesa de Colorado, c. 4 mi SE of Squaw Mtn 634 Comment
  UC729824  Horkelia clevelandii Carl B. Wolf 1932-8-4 3927 Riverside 1 1/2 mi Idyllwild (on road to banning); San Jacinto Mts., Strawberry Valley 1706 Comment
  UCR49238  Hornungia procumbens Steve Boyd 1986-4-2 1622 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR90381  Hulsea heterochroma D. L. Banks, Steve Boyd 1995-6-2 0564 Riverside Palomar Mtns., Cleveland Nat'l Forest, Agua Tibia Wilderness Area, N face of N peak of Agua Tibia Mt., on the Wooodchuck Trail north of the Riverside Co. boundary, c. 0.25 mi south of the clay grasslands in S32. 902 Comment
  UCD133291  Hulsea vestita subsp. callicarpha D. H. Wilken 1969-6-30 7856 Riverside Riverside County Road R1, at junction of Dark Canyon Road, 5 miles northeast of Idyllwild, San Jacinto Mountains. 1524 Comment
  SD187327  Hydrocotyle umbellata Scott D. White, Angelia Carey 2004-9-16 10761 Riverside San Jacinto Mountain foothills: Indian Creek. 548 Comment
  UCR60242  Hymenoclea salsola R. F. Thorne 1973-3-30 42693 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  CAS-BOT-BC219733  Hyptis emoryi Walter Knight; Irja Knight; Fred Klein 1968-11-17 2586 Riverside 2.8 mi. n. of junction of Bradshaw Stage Road and Imperial Gas Line Road. Access from Indio-Blythe highway via Red Cloud Road Comment
  CAS-BOT-BC219745  Hyptis emoryi Mrs. W. J. Anderson 1925-3-27 s.n. Riverside Indio Comment
  HSC84091  Hyptis emoryi Aaron Liston, T. S. Elias, O. R. Dorado, S. Zona 1986-11-29 64019 Riverside Painted Canyon, Mecca Hills Comment
  RSA550013  Hyptis emoryi Walter Wisura, John Dolan, C. Demme 1992-4-13 4684 Riverside Low Desert: Corn Spring. N-base of Chuckwalla Mtns. Comment
  UCR226793  Hyptis emoryi Jim Andre 2011-2-9 15900 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCSB5686  Hyptis emoryi Atsatt, Pete 1958-3-22 Riverside 7 miles east of Desert Center on Highway 60 & 70. Comment
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Nov 23 2014
  SEINET12277045  Hyptis emoryi M. T. Doutt 1931-1 775 Riverside Chino Canyon, Palm Springs Comment
  SEINET13948495 Image available Hyptis emoryi N. Dunn, A. M. Martin 1932-1 Riverside Box Canon Comment
  RSA0013879  Ibicella lutea H. Baer 1922-7-18 s.n. Riverside Near Lake Elsinore. Comment
  SEINET1907382  Ipomoea murucoides Robin Salter 1995-1 Riverside Riverside: tree in the yard of E. Johnson, Blaine Street at Mt. Vernon. Origin unknown, but this is an old house and the tree may have been there for some time. Comment
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Aug 19 2015
  UC494686  Isocoma acradenia var. eremophila P. A. Munz 1932-10-16 12849 Riverside Whitewater Creek Colorado Desert, Whitewater Creek 152 Comment
  RSA199008  Isoetes howellii R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37420 Riverside Santa Rosa Plateau: near roadside, Rancho California. Santa Ana Mountains 610 Comment
  RSA639130  Isoetes howellii R. F. Thorne, Earl Lathrope, Oscar Clarke, S. Carlquist 1968-4-18 37460 A Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California.. 609 Comment
  CSUSB720  Isomeris arborea Daniel Sall 1970-4-25 Riverside Palm Springs, about 150 yards from start of trail in Tahquitz Canyon wash 304 Comment
  UC447187  Isomeris arborea J. Ewan 1931-4-2 9101 Riverside 10 mi n Edom Comment
  UCR241786  Iva axillaris A. C. Sanders, Timothy W. Chumley 2013-4-1 40724 Riverside Peninsular Range; Elsinore Valley, Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  POM4803  Iva axillaris subsp. robustior I. M. Johnston 1928-5-30 2014 Riverside Temescal Canyon. 366 Comment
  CAS-BOT-BC426243  Jepsonia parryi Samuel B. Parish 1896-4-2 4081 Riverside Palm Springs (Agua Caliente) Comment
  UCR18881  Juglans californica John C. Roos 1952-6-25 5789 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  RSA790106  Juglans hindsii R. E. Riefner Jr. 2011-9-10 11 -126 Riverside Santa Ana Canyon, end of Green River Rd. near entrance to Green River Golf Course. 125 Comment
  RSA336180  Juncus bufonius Robert F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51978 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  SD187306  Juncus bufonius Scott D. White, Angelia Carey 2004-5-7 10333 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UCR171139  Juncus bufonius John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  UCR273789  Juncus bufonius Mitch Provance 2012-4-20 412- 24 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  JOTR32968  Juncus macrophyllus La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2719 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  RSA263804  Juncus rugulosus George E. Johnson 1975-6-26 7 Riverside Mesa de Burro, 3.0 miles west of Murrieta. Santa Rosa Plateau. 610 Comment
  RSA575972  Juncus rugulosus Steve Boyd 1981-1-25 s.n. Riverside Gavilan Hills region, south flank of the range in Arroyo del Toro. Bull Canyon Road. Comment
  SEINET3220925 Image available Juncus xiphioides B. Pitzer 1986-5-24 236 Riverside Whitewater Canyon, ca. 5 mi. N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 1/4 mi. N of hatchery boundary. Whitewater 7.5' quad. 732 Comment
  UCR18437  Juncus xiphioides J. Olmstead 1966-6-7 s.n. Riverside Santa Rosa Mtns., Deep Canyon between road end & first falls, above gauging station 610 Comment
  UCR19748  Juncus xiphioides H. A. Zuill 1966-6-27 250 Riverside Santa Ana Mtns., Santa Rosa Plateau, Fisherman's Camp in Tenaja Canyon c. 13 mi SW of Murrieta Comment
  UC1212184  Juniperus californica H. E. and S. T. Parks 1940-2-1 24176 Riverside Palms to Pines Hwy Santa Rosa Canyon 1066 Comment
  SEINET5450457 Image available Juniperus californica Richard Carter 1984-12-18 3862 Riverside 1.1 mi. S of Pinyon Canyon- along Hwy. 74. Comment
  CAS-BOT-BC234572  Justicia californica G. D. Hanna; M. M. Hanna 1958-2-16 s.n. Riverside Mecca Canyon Comment
  GMDRC9805  Justicia californica J. M. Andre 2017-3-1 38022 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  JEPS9204  Justicia californica Marjorie D. Clary 1932-12-15 1732 Riverside Bajada 2 mi. w. of Coral Reef Ranch; Colorado Desert, Santa Rosa Mts., Coachella Valley 91 Comment
  CAS-BOT-BC235505  Keckiella antirrhinoides R. S. Woglum 1941-5-17 3038 Riverside Coyote Canyon, (extreme south-central) Riverside Co. Comment
  UCR167829  Keckiella antirrhinoides T. B. Salvato, Melissa Clemons 2005-6-2 1333 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR114301  Keckiella antirrhinoides var. antirrhinoides Julie A. Greene 1993-4-10 1171 Riverside San Jacinto Wildlife Area 476 Comment
  SD146087  Koeleria gerardi Mitch Provance 1998-3-20 174 B Riverside Jurupa Mtns., pass west of Rattlesnake Mtn., near road, along the east side of Armstrong Rd., ca. 1/8 mi. S of the San Bernardino Co. line 313 Comment
  CAS-BOT-BC61432  Krameria bicolor W. R. Dudley 1903-12-1 s.n Riverside Desert back of Indian Reservation, Palm Springs Comment
  UCSB3524  Krameria bicolor Eriksen, C. 1954-4-29 Riverside 3 mi. W. of Morango Valley along the Hwy. Colorado Desert Comment
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Feb 2 2015
  RSA608171  Krameria erecta Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10056 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  SBBG109172  Krameria erecta D. Wilken with G. A. Wilken 1997-11-1 15375 Riverside tributary of San Bernardino Wash, 0.3 km SW of Gold Crown Rd, SW slope of Pinto Mtns 605 Comment
  SFV17345  Krameria erecta J. D. Dilley, J. N. Hogue (109.7) 1998-4-24 280 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash, 0.5 miles east of Aztec Well. 579 Comment
  RSA409403  Krameria grayi M. B. Dunkle 1933-5-6 3414 Riverside Colorado Desert. Dry Morongo Creek Comment
  UC154720  Krameria grayi Rensselaer J. Smith Feb. 1904 313 Riverside Andreas Canyon Coachella Desert; , Andreas Canyon Comment
  CLARK-A1528-1359  Krameria parvifolia var. glandulosa John C. Roos 1948-5-15 3857 Riverside Eagle Mountains Comment
  UCSC000773  Laennecia coulteri G. R. Hall 2001-8-31 s.n. Riverside near Riverside Riverside Comment
  RSA192323  Lagophylla ramosissima E. W. Lathrop 1966-9-14 6584 Riverside 3 miles SW of Murrieta. Comment
  CLARK-A1528-69  Lamarckia aurea C. M. Flanagan 1973-4-14 OO 108 Riverside Sunnymead 579 Comment
  UCR207784  Lamium amplexicaule O. F. Clarke 2004-3-13 s.n. Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, along the Santa Ana River, West Riverside 226 Comment
  UCR37476  Lamium amplexicaule Steve Boyd 1981-4-8 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  CLARK-A1528-3535  Langloisia schottii John C. Roos 1943-5-23 2663 Riverside Little San Bernardino Mountains Comment
  CLARK-A1528-4437  Larrea tridentata John C. Roos 1946-11-30 3161 Riverside Chuckwalla Mountains Comment
  RSA1201  Larrea tridentata B. D. Stark 1930-4-1 1494 Riverside San Gorgonio Pass. 457 Comment
  RSA329549  Larrea tridentata Gary D. Wallace 1966-3-26 266 Riverside Thousand Palm Oasis in the Indio Hills 70 Comment
  RSA609038A  Larrea tridentata Steve D. Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10058 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  SFV2004  Larrea tridentata M. L. Vincent, R. H. Swade 1963-10-19 462 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  UC452608  Larrea tridentata Joseph Grinnell 1910-3-17 Riverside Riverside Mt.; Colorado River Comment
  UC571107  Larrea tridentata Margaret Stason 1927-3-12 Riverside Painted Canyon; Colorado Desert Comment
  UC665863  Larrea tridentata Ira L. Wiggins 1941-3-24 9567 Riverside 0.3 mi s Myoma (4.6 mi n of Indio) Comment
  UCSB19494  Larrea tridentata Gerhart, Janet 1963-3-30 Riverside North side of U.S. Highway 66 at Roy Tull Standard Gas Station, 4 miles E of Kelbaker Road 304 Comment
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May 15 2016
  UCSB3567  Larrea tridentata Ralph, F. 1960-4-1 Riverside Whitewater Canyon, 1.6 miles north of U.S. Hwy 99, Western edge of Colorado Desert Comment
  RSA15096  Lasthenia californica Daniel Cleveland 1882-05 s.n. Riverside Temecula. Comment
  RSA741198  Lasthenia californica Scott D. White, Justin M. Wood 2008-5-15 11970 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  SFV7334  Lasthenia coronaria T. Gordon, K. Kimbrough 1975-3-16 850A Riverside 10 miles south of Corona. Open fields adjacent to Highway 71. 365 Comment
  POM157928  Lasthenia glabrata subsp. coulteri P. A. Munz 1927-5-21 10842 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  UCR162885  Lasthenia glabrata subsp. coulteri Fred M. Roberts 2005-3-3 6134 Riverside San Jacinto Valley, San Jacinto, south side of Ramona Expressway, 0.6km E jct Warren Rd 447 Comment
  POM13000  Lasthenia gracilis P. A. Munz, I. M. Johnston 1922-5-19 5420 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  POM13209  Lasthenia gracilis P. A. Munz, I. M. Johnston 1920-5-20 5452 Riverside Hemet Valley, San Jacinto Mts 1372 Comment
  UCD133820  Lasthenia gracilis A. C. Sanders; K. C. Rose 1998-5-21 21863 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  UCR143154  Lasthenia gracilis D. E. Bramlet 1997-3-15 2500 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Nichols Road Wetlands, approximately 183m southeast of Nicolas Road, 91-152m west of Collier Ave. and 196-335m. west of the I-15, 15m west of the dirt road extending south from Nicholas Rd. and adjacent to Alberhill Creek 116 Comment
  UCR228849  Lasthenia gracilis A. C. Sanders, Nathan Moorhatch 2011-3-22 38792 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  SEINET5327339  Lathyrus sulphureus N. D. Atwood 1993-3-26 17654 Riverside Summit of Santa Ana Mts., 4.8 mi. S. of Lake Elsinore, along Hwy 74 813 Comment
  SD8723  Lathyrus vestitus var. alefeldii Daniel Cleveland 1882-5-5 Riverside Temecula Comment
  UCR234280  Lavandula X intermedia A. C. Sanders 2012-4-12 40030 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, near El Hermano Rd. 312 Comment
  SBBG103915  Layia platyglossa S. D. White 1993-4-20 1216 b Riverside ridge SE of Estelle Peak, Gavilan Hills 792 Comment
  SEINET3479044  Layia platyglossa A. G. Vestal 1962-3-29 Riverside Temecula, Temecula, 0.3 miles south Comment
  UCR59682  Layia platyglossa subsp. campestris Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2985 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  POM13010  Lemna gibba Philip A. Munz, I. M. Johnston 1922-5-19 5437 Riverside Hemet Valley, San Jacinto Mountains, 1 mile from Garner Ranch. 1372 Comment
  CAS-BOT-BC506670  Lepidium didymum Jordan Zylstra 2014-3-18 14012 Riverside San Jacinto Mtns: Apple Canyon, W of Apple Canyon Road 1453 Comment
  RSA429907  Lepidium fremontii E. C. Jaeger 1922-3-2 s.n. Riverside 29 Palms Comment
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May 28 2011
  JOTR34194  Lepidium fremontii var. fremontii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2987 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  CAS-BOT-BC89588  Lepidium lasiocarpum H. S. Yates 1937-3-23 6426 Riverside California Forest and Range Experiment Station. Near Thermal. 30 Comment
  RSA0108942  Lepidium lasiocarpum Duncan S. Bell, Amanda Bell 2012-1-28 3068 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  UCR214432  Lepidium lasiocarpum A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37493 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
  UC68541  Lepidium lasiocarpum var. lasiocarpum H. M. Hall Apr 1905 5823 Riverside 8 mi w Coachella; Colorado Desert 0 Comment
  CAS-BOT-BC257783  Lepidium latipes A. C. Sanders; T. B. Salvato 2011-4-4 38971 Riverside Peninsular Range: Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  UCR241783  Lepidium latipes A. C. Sanders, Timothy W. Chumley 2013-3-29 40720 Riverside Peninsular Range; Elsinore Valley, Baker St. between Elsinore and Alberhill, vacant lot between burned house and fenced equipment yard, 0.6 km SE of Pierce St. 384 Comment
  UCR274017  Lepidium strictum Mitch Provance 2012-4-23 412- 30 Riverside San Gorgonio Pass, south of Banning, between the east end of Bobcat Rd. and the KOA campground on San Gorgonio Ave., in Montgomery Creek near its confluence with Smith Creek 681 Comment
  UC56975  Lepidium virginicum var. pubescens H. M. Hall May 1901 1905 Riverside se base San Jacinto Mt. 1356 Comment
  RSA575819  Lepidium virginicum var. robinsonii Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region , southern flank of the range along road in Arroyo del Torro. 609 Comment
  UCR241104  Lepidium virginicum var. robinsonii A. C. Sanders, Timothy W. Chumley 2013-4-2 40741 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCR266679  Lepidium virginicum var. robinsonii D. E. Bramlet, Ileene Anderson 2005-4-18 3806 Riverside Hills west of Hemet-Ryan Airport, 650 m west of California Ave., 1300 m south of Hwy 74, 1100 m north of Stowe Rd. 539 Comment
  CDA23632  Lepidospartum squamatum Mike Lahti 2008-8-19 PDR# 1473307 Riverside Hemet, 41801 East Benton Rd. 0 Comment
  OBI48834  Lepidospartum squamatum Lewis S. Rose 1938-12-20 38331 Riverside 3 mi SE of Palm Springs Station, Whitewater wash 274 Comment
  RSA3329  Lepidospartum squamatum C. B. Wolf 1931-10-14 2452 Riverside Whitewater Wash, 1/2 mile above the bridge on the Banning to Indio Road 366 Comment
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Sep 23 2011
  UCR77762  Lepidospartum squamatum Steve Boyd 1991-9-8 6430 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  UCR59468  Leptochloa fascicularis Jeri Hirshberg 1989-7-12 s.n. Riverside Lake Perris: shoreline at east end of lake. 488 Comment
  JOTR33675  Leptochloa fusca subsp. uninervia La Doux, Tasha 2003-9-24 1618 Riverside Joshua Tree National Park. Little San Bernardino Mtns; southern Wonderland of Rocks, along trail to Barker Dam 1296 Comment
  UCR2517  Leptochloa uninervia F. M. Reed 1918-10-13 4019 Riverside Menifee Valley 549 Comment
  POM15022  Leptosiphon ciliatus Mary F. Spencer 1922-6-17 1203 Riverside Idyllwild. 1585 Comment
  UCR274211  Leptosiphon floribundus subsp. hallii Duncan S. Bell 2014-11-14 7704 Riverside Santa Rosa Mountains, Santa Rosa Mountain Wilderness area, west side of Martinez Mountain, at meeting point of Horsethief Creek and the Cactus Spring Trail 1055 Comment
  SD181408  Leptosiphon lemmonii Scott D. White, Bill La Haye 2000-5-27 7963 Riverside San Jacinto Mountains; Baldy Muntain area. 1616 Comment
  GMDRC6562  Leptosiphon liniflorus J. M. Andre 2012-6-15 30516 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  SJSU7264  Lessingia glandulifera M. A. Baker 1974-8-20 102 Riverside Pacheco Pass between McCoy Mts & Mule Mts c. 11 mi W of Blythe Comment
  RSA708047  Leymus triticoides Scott D. White, Angelia Carey 2004-5-7 10350 Riverside Indian Creek and adjacent foothills. 549 Comment
  UC38244  Leymus triticoides H. M. Hall 1901-7-11 2392 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  RSA234047  Lilaea scilloides Robert F. Thorne, E. W. Lathrop 1969-5-12 37932 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 625 Comment
  RSA68710  Lilium parryi Frank W. Peirson 1924-7-27 5003 Riverside South side of Dark Canyon, San Jacinto Mountains. 2499 Comment
  UCR224368  Limonium duriusculum Justin M. Wood 2010-5-19 1843 Riverside Santa Ana Canyon, Santa Ana River, c. 1.4 mi downstream of Prado dam outlet, just northwest of Green River Housing Estate 131 Comment
  SBBG133592  Limonium sinuatum S. D. White, L. Stafford 2007-7-5 11757 Riverside Santa Ana River floodplain just below Prado Dam; Chino Hills State Park 134 Comment
  RSA73683  Linanthus aureus F. W. Peirson 1928-4-23 7887 Riverside 2.5 miles below cottonwood Springs, Riverside County Comment
  JOTR33750  Linanthus bigelovii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2748 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UCR59750  Linanthus dianthiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3092 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  POM364584  Linanthus dianthiflorus subsp. dianthiflorus Christopher Davidson 1973-4-1 1830 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA496473  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3092 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  RSA0022553  Linanthus jonesii J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24383 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near 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
  SBBG87844  Linanthus jonesii A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6108 Riverside Corn Springs, below spring to the S; Chuckawalla Mtns, T6S, R16E, S28 487 Comment
  UCR41530  Linanthus jonesii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6108 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  CLARK-A1045-76  Linanthus lemmonii George K. Helmkamp 1978-5-20 Riverside San Jacinto Mountains meadow; Idyllwild 15' Q Comment
  RSA646295  Linanthus lemmonii Orlando Mistretta, Mark Elvin 1995-6-19 1776 Riverside Highway 74. 1418 Comment
  UCR162403  Linanthus lemmonii S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  JEPS58474  Linanthus liniflorus E. C. Jaeger 1926-5-1 Riverside Aguanga, sw Riverside County Aguanga 883 Comment
  RSA646296  Linanthus liniflorus Orlando Mistretta, Mark Elvin 1995-6-19 1778 Riverside San Jacinto Mountains: Highway 74. 1264 Comment
  UCR193408  Linanthus liniflorus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35577 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1570 Comment
  RSA645178  Linanthus maculatus J. Mark Porter, L. Machen 1995-4-14 10690 Riverside Mouth of Morongo Canyon, in Morongo Wash, on the east side of Highway 62, along the old right-of-way for old Route 62 (portions of the pavement are still present), 0.4 miles north of the intersection of Indian Avenue and HWY 62. Comment
  RSA5003  Linaria canadensis var. texana Carl B. Wolf 1932-3-20 3 Riverside Richman Ranch, 2.5 miles no. of De Luz; S.W. Riverside County. 457 Comment
  CLARK-A1528-602  Linum lewisii Bruce Freeman 1969-6-14 690614-1 Riverside San Jacinto Mountains Comment
  SBBG132546  Linum lewisii S. D. White, J. M. Wood 2008-6-16 12146 Riverside meadow at Quinn Flat 1378 Comment
  UCR18962  Loeflingia squarrosa John C. Roos 1952-5-14 5664 Riverside Perris-Aguanga Basin, 2 mi NW of Perris Comment
  RSA781796  Loeseliastrum matthewsii Duncan S. Bell 2010-5-1 883 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA172223  Loeseliastrum schottii R. F. Thorne 1963-3-29 32387 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  UCR244378  Loeseliastrum schottii Jim Andre 2012-4-16 20947 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  OBI11429  Loeseliastrum schottii R. F. Hoover 1969-4-14 11230 Riverside Palm Springs, just S of South City limit Comment
  UCR58851  Logfia arizonica Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3207 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  UC405427  Logfia depressa Katharine Brandegee 1899-1 Riverside Colorado Desert Comment
  UC170149  Logfia filaginoides Charlotte M. Wilder 1912-4-9 1300 Riverside ridge n Wilder's; Jurupa Hills Comment
  UC1608221  Logfia gallica Steve Boyd 1992-4-15 6885 Riverside 0.5 mi ne of jtn with San Mateo Creek along Tenaja Trail (w of Fisherman's Camp); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 548 Comment
  UCR154545  Lolium perenne Jason L. Hlebakos 2005-5-13 674 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, large vernal pool on Mesa de Colorado, c. 4 mi SE of Squaw Mtn 634 Comment
  SEINET1869724  Lolium rigidum Walter Graves 2002-1 502 -30 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  RSA561083  Lolium temulentum Steve Boyd, Orlando Mistretta 1992-4-22 6999 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  UCR34985  Lomatium utriculatum L. B. Ziegler 1969-5-5 345 Riverside Peninsular Ranges, San Jacinto Mtns, Hemet Valley ( = Garner Valley), near Pine Meadows 1437 Comment
  UCR282416  Lonicera interrupta Mitch Provance 2009-7-1 709- 02 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  UCR87631  Lonicera interrupta A. C. Sanders 1994-5-30 14585 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR209402  Lotus crassifolius var. crassifolius Fred M. Roberts, Robt. L. Allen 2008-6-23 7052 Riverside Santa Ana Mountains, Santiago Peak, east slope, Main Divide Truck Trail, 0.7 km northeast of summit 1580 Comment
  POM46826  Lotus hamatus Mary F. Spencer 1920-3-29 1453 Riverside In desert sand near Tahquitz Canyon, Colorado Desert Comment
  RSA90301  Lotus hamatus F. W. Peirson 1919-4-12 714 Riverside Along the Tahquitz Creek stream near Palm Springs Comment
  RSA552712  Lotus heermannii Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-25 6681 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  UCR193888  Lotus heermannii A. C. Sanders, Mitch Provance 2008-7-11 35771 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  RSA515327  Lotus humistratus Jeri Hirshberg 1989-4-4 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, W of Mesa de Burro near head of Cole Canyon. 488 Comment
  RSA726581  Lotus humistratus Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1426 Riverside Along Palen Road near Hwy 177. 170 Comment
  UCR101420  Lotus humistratus A. C. Sanders, G. Helmkamp 1997-3-15 20001 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  POM259181  Lotus nevadensis var. nevadensis P. A. Munz 1938-8-13 15328 Riverside Cedar Spring, north base of Santa Rosa Peak 2287 Comment
  RSA641177  Lotus nevadensis var. nevadensis R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38113 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA714382  Lotus oblongifolius T. B. Salvato, John F. Green 2004-5-27 604 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  UCR195134  Lotus oblongifolius A. C. Sanders, Tim Thomas 2008-8-1 35952 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  RSA450112  Lotus rigidus J. C. Roos 1966-2-12 s.n. Riverside Chuckwalla Mtns., 2.5 miles SE of Desert Center Comment
  SDSU4337  Lotus rigidus A. H. Gallup 1949-3-28 379 Riverside Palms to Pines Hwy. 732 Comment
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Jan 24 2013
  RSA735319  Lotus salsuginosus var. brevivexillus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11287 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCR187500  Lotus scoparius subsp. brevialatus Theresa Johnson 2006-5-11 098 Riverside Peninsular Range;, Santa Rosa Plateau, Los Alamos Canyon above confluence with San Mateo Canyon 427 Comment
  RSA768759  Lotus strigosus Jim Andre, Tasha La Doux 2010-2-28 12563 Riverside Lower Colorado River Valley; along Hwy 94 approx. 25 miles north of Blythe, on east side of Big Maria Mountains. 83 Comment
  RSA777532  Lotus strigosus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 909 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  POM9574  Lotus strigosus P. A. Munz 1920-2-28 3259 Riverside 3 miles west of Corona. 335 Comment
  RSA633870  Lotus strigosus var. hirtellus R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38112 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  SEINET10389800  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2015-3-9 41364 Riverside Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  RSA49387  Lotus tomentellus P. A. Munz 1949-4-12 13025 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  POM158200  Lotus unifoliolatus P. A. Munz 1928-9-6 11283 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA568562  Lupinus Christopher Davidson 1979-4-4 7678 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  UC998915  Lupinus H. J. Fuller 1942-4-18 Riverside near Mecca (Mojave Desert); , near Mecca Comment
  RSA33840  Lupinus albifrons N. C. Cooper 1944-4-22 1124 Riverside Banning. 762 Comment
  POM46817  Lupinus arizonicus Mary F. Spencer 1920-3-12 1493 Riverside Mecca. Colorado Desert -60 Comment
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Sep 7 2011
  RSA727086  Lupinus arizonicus Naomi S. Fraga, Lisa Rojas 2005-2-10 1371 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA776936  Lupinus arizonicus Amber Swanson, Duncan S. Bell 2011-3-18 219 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  UCR279592  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-3-28 43159 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  RSA487451  Lupinus bicolor Bill Wagner 1988-3-9 s.n. Riverside Grain field at Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 412 Comment
  RSA660564  Lupinus bicolor Lydia Paneri 1982-4-17 35 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
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May 31 2008
  UCR263  Lupinus bicolor Eugene Cardiff, Ken Smith 1954-5-17 s.n. Riverside Peninsular Range, Pigeon Pass, Box Springs Mountains, east of Riverside 610 Comment
  OBI083254  Lupinus bicolor Rhonda Riggins 1985-3-23 1501 Riverside Field adjacent Scott Road and I215. 6.1 mi N jct. with I15. Comment
  CLARK-A1528-2820  Lupinus bicolor subsp. microphyllus John C. Roos 1938-4-4 732 Riverside La Sierra Comment
  HSC85275  Lupinus concinnus Steve Boyd 1986-4-22 1782 Riverside Gavilan Hills: Summit of Estelle Mtn. Comment
  RSA483605  Lupinus concinnus subsp. optatus D. Charlton 1988-5-21 1948 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  SEINET10870974  Lupinus concinnus subsp. optatus Tilforth 1980-6-10 TILFORTH 1985 Riverside Common on dry banks & road cuts at all elevations. Along north leg of thomas Mtn. Rd., South of lake hemet, hiway 74. Comment
  POM12739  Lupinus concinnus var. concinnus P. A. Munz 1922-4-30 5130 Riverside Tucalota Creek, south of Hemet Comment
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May 28 2011
  CLARK-A1528-497  Lupinus excubitus Fred B. Essig 1964-4-25 26 Riverside Elsinore Comment
  CAS-BOT-BC216683  Lupinus excubitus subsp. hallii Charles Piper Smith 1922-5-18 3063 Riverside Temescal Canyon 274 Comment
  RSA748383  Lupinus excubitus var. austromontanus Justin M. Wood, Brandy Wood 2009-6-13 891 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  POM128361  Lupinus excubitus var. hallii Thomas Craig 1927-4-23 208 Riverside Glen Ivy. Comment
  POM2500  Lupinus excubitus var. hallii I. M. Johnston 1918-5-30 1996 Riverside Temescal Canyon 366 Comment
  JEPS64932  Lupinus formosus Carl V. Meyer 1929-6-18 773 Riverside Upper Hemet Valley; San Jacinto Mts., Upper Hemet Valley Comment
  UCR17534  Lupinus formosus var. hyacinthinus Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  RSA716875  Lupinus hirsutissimus A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25849 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCSB3284  Lupinus microcarpus var. densiflorus Bobkowski, Jr., Vincent 1960-5-15 Riverside Van de Venter Flats, approx. 25 miles south of Idyllwild on State Highway 74 Comment
  HSC14928  Lupinus odoratus C. L. Hitchcock, C. V. Muhlick 1964-3-22 23252 Riverside Side canyon near S entrance to Joshua Tree National Monument. Comment
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Jul 9 2010
  POM12772  Lupinus pallidus Philip A. Munz, D. D. Keck 1922-4-9 4845 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
  POM13601  Lupinus polyphyllus var. burkei E. C. Jaeger 1921-7-11 11 Riverside Tahquitz Valley, San Jacinto Mts Comment
  JOTR30920  Lupinus sparsiflorus La Doux, Tasha, Bill Truesdell 2008-4-29 2596 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 8) 1219 Comment
  UC1537125  Lupinus sparsiflorus Gordon H. True Jr. 1935-3-15 113 Riverside Box Springs 396 Comment
  UCR175178  Lupinus sparsiflorus Jim Andre 2006-4-26 6763 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  UCR237699  Lupinus sparsiflorus Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4525 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  RSA414265  Lupinus sparsiflorus var. mohavensis Bonnie C. Templeton 1930-4-9 1081 Riverside Moreno Grade, S.W. of Beaumont 650 Comment
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Mar 20 2011
  POM9291  Lupinus succulentus Philip A. Munz, R. D. Harwood 1920-3-20 3371 Riverside 5 miles S of Corona 305 Comment
  SEINET10870698  Lupinus succulentus Tilforth 1979-4-11 TILFORTH 1788 Riverside Hills at the s side of lake skinner, e of murrieta, sw riverside co. 427 Comment
  UC1537126  Lupinus truncatus Gordon H. True Jr. 1935-4-8 228 Riverside Mockingbird Canyon 457 Comment
  UC218100  Lycium andersonii P. A. Munz, D. Keck 1922-4-9 4811 Riverside s base Eagle Mtns.; Colorado Desert 182 Comment
  UCR89527  Lycium cooperi Bern Schwenn 1994-4-9 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine. In 3rd canyon on N side 1085 Comment
  UCR89683  Lycium cooperi Bern Schwenn 1994-5-18 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well 1021 Comment
  UCR158853  Lythrum hyssopifolia Scott D. White 1994-6-14 2061 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 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
  UC33264  Madia elegans H. M. Hall 1901-6-29 2268 Riverside w side San Jacinto Mountains; w side San Jacinto Mountains 1615 Comment
  CHSC110691  Malacothamnus davidsonii Dean Wm. Taylor 2003-5-7 18541 Riverside 1 mi. SE of Steele Peak, 0.4 miles NNW of Good Hope Mine, under electrical transmission line corridor. 579 Comment
  SEINET11981875  Malacothamnus davidsonii E. A. Purer 1935-1 6472 Riverside E slope of San Jacinto Mt., western Colorado Desert Comment
  UCR225504  Malacothamnus fasciculatus A. C. Sanders, T. B. Salvato 2011-3-29 38854 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  UC64038  Malacothamnus fasciculatus var. fasciculatus H. M. Hall 1897-7-29 765 Riverside El Toro Pk.; San Jacinto Mtns.; Santa Rosa Range 2438 Comment
  UC33272  Malacothrix californica H. M. Hall June, 1901 2182 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  RSA613900  Malacothrix clevelandii A. C. Sanders, P. J. MacKay, Tim C. Thomas, O. F. Clarke 1997-5-4 20629 Riverside San Jacinto Mtns: N side along hwy 243, 1.5 mile below Twin Pines Ranch Raod (McMullen Flat), N slope of peak 3740. 1067 Comment
  SD144033  Malacothrix clevelandii A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20629 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), N slope of Peak 3740. 1067 Comment
  UCR17638  Malacothrix clevelandii Jeanine Derby, O. F. Clarke 1974-5-3 s.n. Riverside Lakeview Comment
  UCR213889  Malacothrix clevelandii Scott D. White, Justin M. Wood 2009-5-22 12913 Riverside San Jacinto Mountains, Idyllwild area, 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds 1456 Comment
  SEINET11808088  Malacothrix coulteri H. M. Hall 1902-1 2925 Riverside vicinity of Riverside 488 Comment
  JEPS4781  Malacothrix glabrata Roxana S. Ferris and Rimo Bacigalupi 1953-4-20 12633 Riverside between crossing of Eagle Mt. Iron Mine R.R. and Shaver summit (s of hayfields, U.S. Highway 60 and 70) Comment
  OBI8208  Malacothrix glabrata David J. Keil, Malcolm McLeod 1977-3-26 12009 Riverside 8 mi NW of Lake Elsinore State Recreation area along CA 71 366 Comment
  RSA0065860  Malacothrix glabrata Cheryl Sevilla, Sarah J. De Groot 2015-3-16 22 Riverside Transverse Ranges, San Bernardino Mountains region: San Gorgornio Wilderness Area; just west of Mission Creek; 0.8 miles northwest of the Stone House. 811 Comment
  RSA777726  Malacothrix glabrata J. Andre, Glenn L. Clifton 2011-2-22 17429 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  UC33283  Malacothrix glabrata W. G. Wright 1889-1 1754 Riverside Colorado Desert Comment
  UCR12641  Malacothrix saxatilis Paul Lamos 1972-4-20 042072- 0301 Riverside 2 mi SW hwy 60 on Jack Rabbit trail 610 Comment
  RSA708015  Malosma laurina Scott D. White, Jennifer H. Jones 2005-7-5 11150 Riverside Rainbow Valley area, west of I-15 and just N of San Diego Co. boundary. 335 Comment
  UC1130508  Malosma laurina A. Lewis Feb 1934 265 Riverside 3 mi. e. Auburndale; Corona Quad. 91 Comment
  SEINET7048046  Malva parviflora Steven R. Hill 2001-4-29 33519 Riverside South side of Route I-10 right-of-way, 0.2 mile west of Desert Lawn Road exit, Calimesa. At small drainage culvert, San Timoteo Wash. Elevation about 2314 feet. Comment
  OBI20387  Marah macrocarpa David J. Keil 1979-3-18 12976 Riverside About 1/2 mi W of jctn with Riverside county rd R-3 along Calif 79 549 Comment
  UCR133354  Marah macrocarpa Tracy Tennant, J. S. Ross 1998-5-7 MOR- 119 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR96803  Marah macrocarpa A. C. Sanders 1997-3-1 19755 Riverside Box Springs Mountains, E side of Pigeon Pass Valley c. 1/2 mile NW of Lawless Ranch, east of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  RSA607361  Marina parryi R. S. Woglum 1939-4-11 2223 Riverside Sonoran Desert: Near Rice, Coxcomb Tunnel. Comment
  SD247425  Marina parryi A. C. Sanders., Jim Malusa 2015-9-10 41863 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mile SE of its junction with Summit Road in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 480 Comment
  UCR100879  Marina parryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2694 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR52003  Marina parryi Steve Boyd 1988-3-10 2131 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR90323  Marina parryi Ed LaRue 1993-4-28 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 125 Comment
  CAS-BOT-BC71093  Marsilea vestita P. A. Munz; I. M. Johnston 1922-5-5 5154 Riverside Mystic Lake, near Moreno 426 Comment
  SDSU21797  Marsilea vestita subsp. vestita Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3983 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UC219238  Marsilea vestita subsp. vestita P. A. Munz and I. M. Johnston 1922-5-5 5154 Riverside near Moreno (Mystic Lake) 426 Comment
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Mar 20 2011
  RSA356750  Matricaria matricarioides R. F. Thorne 1975-5-20 45509 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  UCR201426  Matricaria matricarioides Scott D. White, Justin M. Wood 2008-6-17 12159 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  RSA586924  Medicago polymorpha D. L. Banks, S. D. Boyd 1995-5-3 0259 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA613455  Medicago polymorpha D. L. Banks, Victor W. Steinmann 1997-3-13 1437 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UC1537025  Medicago polymorpha Gordon H. True Jr. 1935-3-18 120 Riverside valley e Citrus Expt. Station; Box Springs Comment
  RSA689490  Melaleuca A. C. Sanders, Dana Klatt 2001-8-14 24592 Riverside UCR campus at University Bldg. S (old Citrus Expt. Sta. Director s residemce area) 351 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
  RSA0120469  Melica Duncan S. Bell 2016-4-16 9311 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA653648  Melica californica A. C. Sanders, G. Helmkamp 1997-3-15 19916 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills., (33 deg 35.4'N, 117 deg 01.4'W; T7S R1W W/2 of SE/4 S6). [UTM 10km cell: MH-9E, 1N. Skinner Reservoir] 549 Comment
  UCD66801  Melica frutescens F. M. Reed 1920-5-10 4490 Riverside Colorado Desert, Murray Canyon. 457 Comment
  CLARK-A1528-5176  Melica imperfecta John C. Roos 1950-4-22 4752 Riverside Box Springs Mountains 792 Comment
  CLARK-A1528-5177  Melica imperfecta John C. Roos 1950-4-22 4752 Riverside Box Springs Mountains 792 Comment
  UCR117082  Melica imperfecta A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24204 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR91514  Melica imperfecta Scott D. White 1996-3-31 3854 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  RSA192124  Melilotus albus H. A. Zuill 1966-6-5 s.n. Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  UCR18812  Mentha spicata John C. Roos 1952-8-6 5881 Riverside San Bernardino Valley, Riverside, W end of Fairmont Park 259 Comment
  POM126805  Mentzelia affinis E. E. Schellenger 1911-4-24 s.n. Riverside South of Palm Springs, Colorado Desert, Riverside County Comment
  JEPS29275  Mentzelia desertorum Rimo Bacigalupi, L. Heckard and P. Hutchison 1962-3-21 8343 Riverside 2.3 mi below and sw Shavers (along Calif. Highway 195); Box Canyon Wash 243 Comment
  UCR134601  Mentzelia desertorum Marisa Sripracha, Kyle Boyd 2004-2-14 023 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  JEPS41174  Mentzelia dispersa Carl V. Meyer June 1927 192 Riverside Slope of ravine below Saunders Meadow. [Idyllwild added in pencil] Comment
  RSA440409  Mentzelia involucrata Christopher Davidson 1979-4-4 7709 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  UCR103310  Mentzelia involucrata George K. Helmkamp 1998-4-4 3170 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  CDA36636  Mentzelia involucrata var. megalantha M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  RSA440418  Mentzelia involucrata var. megalantha Elbert Benjamine 1929-4-7 126 Riverside Whitewater Canyon, Riverside County. Comment
  RSA48411  Mentzelia involucrata var. megalantha E. K. Balls 1949-4-2 12896 Riverside Between Mecca and Mortmar on Hwy 111 -61 Comment
  RSA444322  Mentzelia jonesii Walter Wisura 1988-3-1 4191 Riverside 2.5 mi fr. I 10 along Box Canyon Rd. toward Mecca Comment
  RSA1275  Mentzelia laevicaulis E. R. Johnson 1928-6-8 972 Riverside Jackrabbit Pass, 6 miles W of Beaumont, Riverside County Comment
  UCR275427  Mentzelia longiloba Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 961 Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, ENE of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  RSA561077  Mentzelia micrantha Steve Boyd, Orlando Mistretta 1992-4-22 7008 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA162704  Mentzelia montana John Olmsted 1958-6-15 165 Riverside 5 miles N of Filmore [Fulmor] Lake towards Baning [Banning] on Baning Idyllwild Road Black Oak in dry grassland between Manzanita & woodland. Fk. San Jacinto Mt. 1372 Comment
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Dec 19 2008
  RSA446831  Mentzelia obscura N. C. Cooper 1949-4-8 3303 Riverside Desert Center. 610 Comment
  SDSU8093  Mentzelia veatchiana H. Wedberg 1962-4-20 914 Riverside About 1 mile SE of Pinyon Flats on road to Palm Springs. 1219 Comment
  UCR77624  Mesembryanthemum nodiflorum D. E. Bramlet, Steve Boyd, A. C. Sanders, Fred M. Roberts 1992-5-21 2291 Riverside San Jacinto Valley, c. 8 km SW of Hemet, NW of intersection of California Ave. & Stowe Rd. 456 Comment
  RSA586495  Microseris heterocarpa D. L. Banks, S. D. Boyd 1995-5-9 0326 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
  UCR250115  Microseris heterocarpa A. C. Sanders 2014-4-23 41049 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15, c. midway between Black Powder Rd. and end of Concordia Ranch Rd. 380 Comment
  UCR48481  Microseris heterocarpa Steve Boyd 1986-4-2 1584 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA496135  Microseris lindleyi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3021 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  UCR120954A  Microseris lindleyi A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23875 A Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR230188  Microseris lindleyi A. C. Sanders 2011-4-6 38988 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
  RSA192024  Microsteris gracilis subsp. gracilis E. W. Lathrop 1960-3-11 4656 Riverside 5 miles west of Murrieta. Comment
  OBI37455  Mimetanthe pilosa Melody Lardner 1981-5-28 190 Riverside In the Box Springs Mts on Box Springs Mt Rd 2.5 mi from the corner of Pigeon Pass Rd and Box Springs mt Rd 914 Comment
  UC943818  Mimulus aurantiacus var. pubescens M. Van Rensselaer 1946-7-16 1922 Riverside above Idyllwild (Suicide Rock Trail) 1920 Comment
  UCR104942  Mimulus aurantiacus var. pubescens A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20686 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  RSA504541  Mimulus aurantiacus var. puniceus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on [of] Nuevo. 640 Comment
  UC943853  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1900 A Riverside Temecula Grade Comment
  UCR91608  Mimulus aurantiacus var. puniceus D. L. Banks, Steve Boyd 1995-3-30 0132 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
  JEPS8174  Mimulus bigelovii var. bigelovii Marjorie D. Clary 1932-3-15 1635 Riverside sw Devil's Canyon; Colorado Desert, Santa Rosa Mts. 152 Comment
  UC68774  Mimulus bigelovii var. bigelovii H. M. Hall May 1905 6011 Riverside Cottonwood Springs Colorado Desert Comment
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Oct 9 2010
  UCSC000863  Mimulus brevipes Peter Kamb 1947-6-7 565 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  SEINET3078508 Image available Mimulus cardinalis Emily E. McGregor 1972-5-21 s.n. Riverside Santa Ana River bottom, off Freemont Drive Comment
  CAS-BOT-BC9453  Mimulus diffusus Alfred James McClatchie 1892-4-25 s.n. Riverside near Elsinore Comment
  POM214837  Mimulus diffusus Victor Duran 1932-5-18 3220 Riverside Idylwild, San Jacinto Mountains 1677 Comment
  JEPS86972  Mimulus fremontii var. fremontii David M. Thompson 1988-3-3 819 Riverside 1.3 mi from Hwy 62 (along road to Canyon House Resort, very near San Bernardino Co. line); Dry Morongo Creek 755 Comment
  UCR26638  Mimulus fremontii var. fremontii E. W. Lathrop 1966-5-29 6375 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  JOTR31050  Mimulus guttatus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2033 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
  UCR114313  Mimulus guttatus Mitch Provance 1998-3-21 275 Riverside Jurupa Hills, Sunnyslope, Ormand Quarry. 280 Comment
  RSA535599  Mimulus johnstonii David M. Thompson 1988-3-3 818 Riverside 4.9 miles N of I-10 access road along paved road to Whitewater Hatchery in Whitewater River Canyon, then 0.4 miles farther N beyond hatchery along dirt road. 707 Comment
  UC26997  Mimulus nasutus Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  UCR108858  Mimulus pilosus Heidi A. Haid 1969-1 s.n. Riverside San Jacinto Mtns, Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR113885  Mimulus pilosus Mitch Provance 2000-6-24 2041 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR183014  Mimulus pilosus Mitch Provance 2003-5-5 4423 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR21163  Mimulus pilosus 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
  UCR275277  Mimulus pilosus T. B. Salvato, Gregg Miller 2005-6-7 1457 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  UC489211  Mimulus primuloides C. V. Meyer 1928-7-31 602 Riverside Tahquitz Valley San Jacinto Mts. 2286 Comment
  CHSC36008  Mirabilis bigelovii var. retrorsa James Henrickson 1973-3-18 8609 Riverside Ca. 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger at N end of Coyote Canyon Road, on the first steep grade down to canyon. 792 Comment
  CAS-BOT-BC434826  Mirabilis laevis var. retrorsa Ivan Johnston 1917-4-4 1038 Riverside Colorado Desert. Palm Canyon 304 Comment
  POM121880  Mirabilis laevis var. retrorsa Marcus E. Jones 1906-4-26 s.n. Riverside Indio. Comment
  POM14362  Mirabilis laevis var. retrorsa P. A. Munz, D. D. Keck 1922-4-9 4807 Riverside Chuckwalla Valley, 10 miles east of Shavers well. 152 Comment
  SBBG22011  Mirabilis laevis var. villosa R. F. Thorne 1964-5-3 33848 Riverside near hwy ca. 4 mi S of Morongo Valley and 3 mi S of San Bernardino Co line Comment
  HSC82911  Mohavea confertiflora Christopher Davidson 1979-4-4 7734 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  POM308421  Mohavea confertiflora Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3099 Riverside 10 miles east of Indio. Comment
  UCSB7450  Mohavea confertiflora Haller, John 1957-3-23 Riverside at mouth of Morongo Canyon; ca. 8 rd. mi. N. of US. 99 and 1 air mi. S. of Riverside - San Bernardino Co. line 762 Comment
  POM48962  Monardella australis subsp. australis P. A. Munz, J. M. Johnston 1924-7-27 8734 Riverside Deer Springs, San Jacinto Mountains 2470 Comment
  SEINET5333332  Monardella australis subsp. australis G. B. Grant 1904-7-23 795 a-6348 Riverside Mt. San Gorgonio 2286 Comment
  JEPS63328  Monardella breweri subsp. lanceolata Carl V. Meyer 1928-8-1 624 Riverside Saunder's Meadow San Jacinto Mts. 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
  UC25457  Monardella breweri subsp. lanceolata H. M. Hall 340 Riverside San Jacinto Mountains 2438 Comment
  RSA0005449  Monardella hypoleuca subsp. hypoleuca W. P. Armstrong 1987-4-25 1277 Riverside Santa Rosa Plateau--N end of Mesa de Colorado. 183 Comment
  LA57207  Monardella nana Carl Epling; 1937-6-6 sn Riverside Palms to Pines Highway Comment
  LA96083  Monardella nana Elizabeth McClintock; 1941-7-15 114 Riverside San Jacinto Mountains, on slope S of Strawberry Creek, and W of Domengonio Flats Comment
  UC1929645  Monardella nana Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8636 Riverside SAN JACINTO MTS: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e. southwest terminus of Double View Dr. west to creek. Comment
  RSA750399  Monardella nana subsp. arida Elizabeth McClintock 1940-5-19 10 Riverside 2 miles off Pines to Palms Highway, on road to Santa Rosa Mt. Comment
  POM12850  Monardella nana subsp. tenuiflora P. A. Munz 1922-6-26 5833 Riverside Santa Rosa. 1738 Comment
  UC1499961  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 103 Riverside 1/2 mi beyond Black Mt. Spring; Black Mt. Comment
  RSA797240  Monardella odoratissima subsp. australis Robert F. Thorne, Walter Wisura 1977-9-17 50769 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  RSA4676  Monoptilon bellioides I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, near Palm Springs. 457 Comment
  CLARK-A1528-4755  Muhlenbergia microsperma John C. Roos 1937-5-1 1406 Riverside La Sierra Comment
  RSA0120999  Muhlenbergia microsperma Duncan S. Bell, LeRoy Gross 2016-3-8 8834 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.5 air miles north of the Bradshaw Trail. 417 Comment
  UCR104880  Muhlenbergia microsperma George K. Helmkamp, E. A. Helmkamp 1998-2-18 2724 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR256792  Muhlenbergia microsperma T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7875 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  JOTR34094  Muhlenbergia porteri Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 8 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  RSA0119961  Muhlenbergia rigens Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9071 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
  RSA543161  Muilla maritima Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6091 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  RSA679009  Muilla maritima Michael Wall 2003-5-17 315 Riverside Lamb Canyon (Hwy. 79) south of Beaumont, side canyon east side of Hwy., 5.4 miles north of Ramona Expressway. 579 Comment
  SD261013  Myosurus minimus subsp. apus John F. Green 2008-7-9 Riverside Peninsular Range: Menifee Valley, east of Briggs Rd and north of Holland Rd (Romoland 7.5'Q) 438 Comment
  SEINET3091487 Image available Nama demissa Norman C. Cooper 1949-4-8 3299 Riverside Desert Center, Desert Center. Comment
  RSA778009  Nama demissa var. demissa Jim Andre 2011-2-9 15920 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  SEINET5520870  Nama hispida H. M. Hall 5886 Riverside Colorado Desert. Chuckawalla Bench. Comment
  POM263110  Nassella cernua J. C. Roos 1937-5-10 430 Riverside Perris Comment
  RSA714958  Nassella lepida Sarah J. De Groot, Beth Kempton 2006-3-16 5210 Riverside San Jacinto Mountains: Dirt road heading east from Castille Canyon Road toward Indian Creek, west of Poppet Flat. 658 Comment
  UC167229  Nassella lepida Bertha E. Britain 1905-5-30 6239 Riverside near Riverside; Box Springs Comment
  UCR154543  Navarretia prostrata Jason L. Hlebakos 2005-5-18 705 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  SBBG35012  Nemacladus longiflorus var. longiflorus T. L. Secrest 1951-5-18 Riverside San Jacinto River bed, few mi E of Hemet Comment
  SD137818  Nemacladus ramosissimus Darin L. Banks, Steve Boyd 1995-5-9 342 Riverside Agua Tibia Mountains Watershed, north of the Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, the Dorland Mountain area. 730 Comment
  RSA0006288  Nemacladus ramosissimus P. A. Munz 1922-5-19 5360 Riverside 5 miles NE of Murietta. 457 Comment
  POM68091  Nemacladus rubescens var. tenuis Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  JEPS7665  Nemacladus sigmoideus W. L. Jepson 1928-4-25 12601 A Riverside Cottonwood Springs; Colorado Desert, Eagle Mountains 731 Comment
  JOTR34082  Nemacladus sigmoideus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2977 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA79176  Nemacladus sigmoideus P. A. Munz 1952-5-2 16239 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  SEINET10460870  Nemacladus sigmoideus Frank W. Peirson Peirson 7913 Riverside n Colorado Desert Comment
  RSA421355  Nemophila menziesii E. Crow 1929-3-17 196 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA523488  Nemophila menziesii Steve Boyd, Tim Ross, L. Arnseth 1990-3-30 3948 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  UCR84656  Nemophila menziesii Scott D. White, S. Ogg 1994-4-21 1954 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR889  Nemophila menziesii Rex Sanders 1973-4-21 s.n. Riverside Peninsular Range, Cajalco Road, 3 mi. west of Mockingbird Canyon Road, south of Lake Matthews 244 Comment
  UCSB10586  Nemophila menziesii Wedberg, H. 1957-3-22 Riverside Hwy. 71, near Alberhill Comment
  UC63800  Nemophila menziesii var. integrifolia H. M. Hall June, 1901 2044 Riverside wooded slopes and benches of the s side San Jacinto Mts. San Jacinto Mountains, Shingle Val. (Shingle Val.) 1371 Comment
  UCR119803  Nicotiana attenuata A. C. Sanders, Mitch Provance 1999-9-26 23093 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  RSA544378  Nicotiana bigelovii var. wallacei Steve D. Boyd, Tim S. Ross 1991-6-14 6393 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
  CHSC8439  Nicotiana clevelandii Edward L. Smith 1958-3-21 392 Riverside Little Santa Maria Mts. 6 mi s of Rice, near Priest's Well. 365 Comment
  JEPS12375  Nicotiana clevelandii S. B. Parish 1920-3-26 20011 Riverside near Palm Springs (e base of Mt. San Jacinto); Colorado Desert, Mt. San Jacinto Comment
  UCR176679  Nicotiana glauca G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  RSA621469  Nicotiana glauca D. L. Banks, Elizabeth H. Banks, Dawn Rodriguez, Edward Rodriguez 1997-6-20 2168 Riverside NW Palomar Mountains, Agua Tibia Mountains: West of Vail lake at the intersection on Pauba Road and Los Caballos Road. 372 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
  RSA614565  Nicotiana obtusifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2665 Riverside 3.2 mi. N of jct of Thousand Palms Canyon Rd and Dillon Rd. 457 Comment
  RSA708493  Nicotiana obtusifolia Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10890 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  SBBG25237  Nicotiana obtusifolia Leota Davidson 1965-5-12 193 Riverside beside rd near Jumbo Cmpgrd, Joshua Tree Nat Monument Comment
  UCD63679  Nicotiana obtusifolia Daniel Sanchez-Mata; Salvador Rivas-Martinez 2008-6-6 s.n. Riverside Joshua Tree. Joshua Tree National Park. Hidden Valley. 1380 Comment
  UCR109558  Nicotiana quadrivalvis R. D. Goeden, Don W. Ricker 1978-10-25 s.n. Riverside Temecula Valley, Temecula, Murrieta Creek at Rancho California Road 305 Comment
  CHSC109709  Nuttallanthus canadensis Scott D. White 2003-3-21 8797 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 152 Comment
  RSA0018415  Nuttallanthus texanus J. C. Roos 1947-3-15 3446 Riverside Valle Vista, San Jacinto Valley. Comment
  UC63697  Oenanthe sarmentosa W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Santa Ana River, Spring Brook 259 Comment
  LA206122  Oenothera avita subsp. avita A. W. Haupt; April 1926 sn Riverside Palm Springs Comment
  RSA263905  Oenothera californica subsp. californica C. W. Tilforth 1976-5-22 1208 Riverside Along Miliken Ave. in NW Riverside Co. Comment
  UC909740  Oenothera deltoides subsp. deltoides Norman C. Cooper 1949-3-15 3026 Riverside sand dunes Palm Springs 30 Comment
  POM158193  Oenothera elata subsp. hirsutissima P. A. Munz 1928-9-6 11276 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA784232  Oenothera leptocarpa J. D. Olmsted 1962-5-1 424 Riverside 5 degrees NE slope just west of top of highest Southern California waterfall; 1/4 mi. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto. 945 Comment
  RSA734943  Oenothera scapoidea J. R. Bruff 1927-3-12 s.n. Riverside Whitewater. Comment
  RSA0042168  Oligomeris linifolia Duncan S. Bell, Evan Meyer 2014-4-2 6518 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  SD143540  Oligomeris linifolia R. D. Goeden, D. W. Ricker 1979-3-29 Riverside Coachella Valley: Indio, Monroa St. -6 Comment
  UCSB38667  Oligomeris linifolia Cowan, Clark 1978-4-24 Riverside Dry lake bed of Lake Cahuilla; 2.1 mi (3.3 km) off Ave 66 on a dirt road, 1.3 mi(2 km) on Ave 66 from Hwy 86; Whittaker transect #W-222 (voucher) Comment
  RSA0107429  Olneya tesota Duncan S. Bell 2009-8-15 419 Riverside Northwest of the Arica Mountains. 300 Comment
  UCR18944  Olneya tesota John C. Roos 1965-12-4 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 2 mi. SE of Desert Center 366 Comment
  VVC234  Olneya tesota Frank Awbrey 1959-4-24 s.n. Riverside 17.7 miles east of Mecca on St Hwy 195 at E end of Box Cyn 366 Comment
  CAS-BOT-BC349928  Oncosiphon piluliferum A. C. Sanders; T. B. Salvato 2011-3-28 38812 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  CDA7545  Oncosiphon piluliferum J. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region; Southeast corner Markham Street and Day Street, Mead Valley area, 2-3 miles southwest of March Air Reserve Base. Comment
  UCR279368  Oncosiphon piluliferum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41500 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  SD167377  Opuntia littoralis Scott D. White 1994-6-23 2101 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, ca. 1 mile east of Skunk Hollow; Bachelor Mountain 7.5' quad. 395 Comment
  UCR1116  Opuntia littoralis Peter De Gano 1970-5-7 700507- 01 Riverside City of Riverside, on the other side of the orange grove across from 1117 Linden Street 305 Comment
  CAS-BOT-BC56226  Opuntia polyacantha var. erinacea C. B. Wolf; P. C. Everett 1938-9-29 9458 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  SEINET13948674 Image available Origanum vulgare A. C. Sanders 2002-1 25068 Riverside San Bernardino/Santa Ana River Valley Region: Riverside cultivated plants in yard at 422 Campus View Dr. Riverside East 7.5' Q.: 33 deg. 58.5' N, 117 deg. 19' W. T2S R4W SEC 20, S/2. Alt 341 m/1120 ft. 341 Comment
  UCSB7503  Orobanche cooperi Nowell, J. 1958-3-22 Riverside Highway 60-70, 3 miles west of Desert Center Comment
  RSA0066569  Orobanche cooperi Gale Sphon 1956-6-13 s.n. Riverside Palms to Pines Highway. [Incorrectly labeled as San Bernardino County] Comment
  RSA734945  Orobanche cooperi W. Blanchard 1932-4-16 s.n. Riverside Palm Spring Station. Comment
  SEINET3108705  Orobanche cooperi subsp. cooperi Sears 1978-3-16 832 Riverside 12 mi NW of Midla nd, 3 mi SW of Rice. 244 Comment
  RSA0066539  Orobanche cooperi subsp. cooperi Frank W. Peirson 1917-4-1 1176 Riverside Near Palm Springs, Coachella Valley. Comment
  CSUSB462  Oryzopsis hymenoides Leland E. Francois 1966-4-23 42366 2 Riverside East side of Salton View look out, located in Joshua Tree National Monument. 1580 Comment
  RSA0034673  Oryzopsis hymenoides Norman C. Cooper 1945-3-24 1615 Riverside Cabazon. 457 Comment
  UC1608279  Oxalis corniculata Steve Boyd and Tim Ross 1992-5-5 7258 Riverside along Serrano Springs drainage (Oak Flats, between Lucas Canyon Trail and junction of Bluewater and Verdugo Tails); Southern Santa Ana Mountains, San Mateo Wilderness Area 731 Comment
  RSA606151  Oxytheca emarginata R. S. Woglum 1937-5-22 573 Riverside Santa Rosa Mountains. Comment
  CAS-BOT-BC327945  Palafoxia arida K. Bonner 1977-10-27 2570 Riverside 3 mi E of Chuckwalla Rd. Comment
  UCR108725  Palafoxia arida Scott D. White, Pam DeVries 1998-2-9 6084 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  JEPS30724  Palafoxia arida var. arida Peter H. Raven 1962-4-7 17119 Riverside San Gorgonio Pass E of Banning 396 Comment
  POM41562  Palafoxia arida var. arida Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA363730  Palafoxia arida var. arida Christopher Davidson, Robert Gustafson 1977-4-7 5582 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope 610 Comment
  UCSB9697  Palafoxia arida var. arida Leeuwen, Henry 1957-4-13 Riverside On shoulder of Cal. Hwy. 195 about 10 miles west of U.S. 60 Comment
  UCSB9918  Palafoxia arida var. arida Wilson, Richard 1958-3-22 Riverside 7 miles E. of Desert Center on U.S. Highway 60-70, in a Colorado Desert dry wash Comment
  VVC1457  Palafoxia arida var. arida A. C. Sanders 1996-11-23 19655 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  RSA663891  Palafoxia linearis var. linearis C. R. Annable 1995-3-16 2299 Riverside Ca. 13 km NE of Desert center on Hwy 177. Comment
  UCR158855  Panicum capillare Scott D. White 1994-6-23 2094 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR43000  Panicum capillare A. C. Sanders 1986-5-20 6499 Riverside Vacant lot where an orange grove was recently removed, across the street from 1012 Spruce St. 305 Comment
  JOTR33676  Panicum miliaceum subsp. miliaceum La Doux, Tasha 2003-9-24 1619 Riverside Joshua Tree National Park. Little San Bernardino Mtns; southern Wonderland of Rocks, along trail to Barker Dam 1296 Comment
  RSA92743  Papaver californicum J. C. Roos 1952-5-19 5692 Riverside On hills north of Moreno. Comment
Read comments
May 20 2011
  UCR260248  Parietaria hespera A. C. Sanders, Jim Malusa 2015-3-10 41385 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 611 Comment
  UC56956  Parietaria hespera var. hespera W. L. Jepson and H. M. Hall Riverside Palm Canyon 457 Comment
  UCR235049  Parkinsonia aculeata A. C. Sanders, John F. Green 2012-5-27 40212 Riverside Peninsular Range; Perris-Aguanga Basin Region, eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris 441 Comment
  LA45756  Parkinsonia florida Carl Epling; William Robison 1933-6-24 sn Riverside near Indio Comment
  UCR251898  Parkinsonia florida Jim Andre 2013-3-27 24821 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  UCR25860  Parkinsonia florida John C. Roos 1937-4-28 794 Riverside Sonoran (Colorado) Desert, Desert Center 274 Comment
  UCSB2975  Parkinsonia florida Haller, John 1960-4-2 Riverside South side of U.S. 60-70, 5.8 miles east of Desert Center 243 Comment
  CLARK-A1528-83  Paspalum dilatatum John C. Roos 1951-9-25 5262 Riverside Riverside 259 Comment
  RSA192234  Paspalum distichum E. W. Lathrop 1964-9-13 5416 Riverside 8 miles west of Murrieta Comment
  RSA736906  Paspalum distichum Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10681 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  RSA264425  Paspalum notatum var. saurae C. W. Tilforth 1976-9-19 1224 Riverside 317 Swan Lake Mobile Home Park, Mira Loma; 10 miles N of Corona Comment
  UCR163874  Pectis papposa B. G. Pitzer 2000-11-4 4242 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  SEINET10292270 Image available Pectis papposa var. papposa April Garbat, Deirdre Conocchioli 2013-9-12 125 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: East of Alligator Rock; From I-10 at Desert Center, head south on CA-177 to BLM 394 (dirt). Collection site is 1.1 miles SW of insterstate exit ramp. 334 Comment
  SFV7079  Pectis papposa var. papposa T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 779 Riverside Sandy wash along Agnes Wilson Road about 1.5 miles east of U.S. Highway 95. 104 Comment
  RSA475294  Pectocarya heterocarpa Steve Boyd, S. Meury, Richard Noyes, D. Nordin, Timothy S. Ross 1988-3-10 2106 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  RSA543183  Pectocarya heterocarpa Steve Boyd 1991-3-17 5476 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
  UCR52022  Pectocarya heterocarpa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2171 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  SD181661  Pectocarya linearis Scott D. White 2000-5-1 7743 Riverside western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UCR172213  Pectocarya linearis John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR232075  Pectocarya linearis John F. Green 2008-4-24 16- 01 Riverside Peninsular Range; SE Gavilan Hills, Lake Elsinore, west of Hwy 74 453 Comment
  RSA524224  Pectocarya linearis subsp. ferocula Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4018 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA593881  Pectocarya linearis subsp. ferocula Steve Boyd, Dave Bramlet 1996-4-19 8619 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
  SBBG101783  Pectocarya linearis subsp. ferocula S. Boyd, T. Ross, M. Hammitt 1991-5-2 6061 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  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
  SEINET7040158  Pectocarya linearis subsp. ferocula A. G. Vestal 1962-4-8 Riverside Ca. 1.3 miles north north east of Lake Elsinore (Elsinore).UTM Zone 11, 469934mE, 3729065mN. Comment
  UCR107407  Pectocarya penicillata B. G. Pitzer 1997-3-23 3001 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  RSA709972  Pectocarya platycarpa Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4590 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA778240  Pectocarya platycarpa Duncan S. Bell 2009-3-8 45 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  RSA496356  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3030 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  RSA673476  Pectocarya recurvata Scott D. White, Tasha La Doux 2000-4-20 7695 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA775402  Pectocarya recurvata Duncan S. Bell 2011-4-10 2248 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  UC1212092  Pectocarya recurvata Peter M. Ray 1949-3-6 1135 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  SBBG118580  Pectocarya setosa L. Gross with V. Soza 2003-5-8 826 Riverside N end of Rouse Ridge, S of the San Jacinto River, N of Rouse Hill Rd; T5S R2E S19, Center 777 Comment
  UCR24459  Pedicularis densiflora John C. Roos 1966-4-23 s.n. Riverside Peninsular Range; Santa Ana Mtns, south of Corona Comment
  UCR243177  Pelargonium capitatum Steve Morgan 2013-4-26 s.n. Riverside Peninsular Range, Riverside; UCR Campus, weed in the botanical garden 396 Comment
  UC669244  Pellaea andromedifolia Annie M. Alexander and Louise Kellogg 1941-2-28 1879 Riverside Andreas Canyon; San Jacinto Mts Comment
  UCR114824  Pellaea andromedifolia Mitch Provance, Seychelle Provance 1998-2-17 88 B 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
  POM177874  Pellaea andromedifolia var. andromedifolia Marcus E. Jones 1930-3-5 26523 Riverside Glen Ivy 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
  JOTR29614  Pellaea mucronata var. californica Andre, Jim 2006-4-26 6752 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  RSA495413  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2948 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR226913  Pennisetum setaceum Jim Andre 2011-2-2 16214 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  RSA58861  Penstemon californicus Philip A. Munz, Percy C. Everett 1950-6-23 14912 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains 1402 Comment
  UCR110969  Penstemon clevelandii George K. Helmkamp 1998-6-27 4105 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  CLARK-A1528-4300  Penstemon clevelandii subsp. mohavensis John C. Roos 1942-5-2 1145 a Riverside Joshua Tree National Park Comment
  POM20635  Penstemon clevelandii subsp. mohavensis E. C. Jaeger 1923-5-20 s.n. Riverside Keyes Ranch Comment
  JOTR31150  Penstemon eatonii var. undosus La Doux, Tasha 2009-6-3 1859 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  UCSB7487  Penstemon heterophyllus Stoppel, Gordon 1958-5-17 Riverside Along Banning- Idyllwild Highway; about 10 miles SE of Banning Comment
  RSA39403  Penstemon heterophyllus var. australis M. Dillon 1947-4-28 14702 Riverside Hidden Canyon at foot of Skyline Drive, southwest of Corona. Comment
  UCR213835  Penstemon heterophyllus var. australis Scott D. White, Justin M. Wood 2009-5-21 12849 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  RSA284585  Penstemon labrosus C. W. Tilforth, John Dourley 1980-7-15 2072 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  JEPS11104  Penstemon rostriflorus Marjorie D. Clary 1932-7-4 968 Riverside 10 mi sw Kenworthy (Santa Rosa Mts.); , sw of Kenworthy 1371 Comment
Read comments
Nov 1 2011
  UC27400  Penstemon rostriflorus H. M. Hall June 1901 2302 Riverside trail to S. Jacinto San Jacinto Mountains, trail to S. Jacinto (in canyons of the w side, San Jacinto Mountains, Southern California) 1371 Comment
  RSA0060330  Pentagramma triangularis O. W. Robinson 1916-3-29 s.n. Riverside Burton's Canyon, Elsinore. Comment
  UCR22083  Pentagramma triangularis subsp. maxonii Steve Boyd 1980-5-3 189 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  SBBG2637  Peritoma arborea H. and M. Dearing 1938-3-5 1075 Riverside Box Cyn, N of Mecca Comment
  CAS-BOT-BC77475  Peritoma arborea var. angustata Roxana S. Ferris 1918-6-14 990 Riverside At Shavers Well in Box Canyon, Chocolate Mts. Comment
  CAS-BOT-BC77479  Peritoma arborea var. angustata G. D. Hanna; M. M. Hanna 1958-2-19 s.n. Riverside Orocopia Mts. Comment
  CAS-BOT-BC77498  Peritoma arborea var. angustata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  JOTR31862  Peritoma arborea var. arborea La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2118 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  POM122891  Perityle emoryi Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  UCR202046  Perityle emoryi Denise Woodard, Gilbert Goodlet 1997-3-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  OBI78428  Persicaria punctata Steve Boyd 1985-7-23 1014 Riverside De Luz Rd, 8 mi W of Rancho California; In Sandia Crk 305 Comment
  CAS-BOT-BC167757  Petalonyx thurberi K. Bonner 1977-10-28 2569 Riverside 2 mi. West of Red Cloud Road Comment
  POM84173  Petalonyx thurberi Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  RSA101199  Petalonyx thurberi David B. Dunn 1947-7-12 2967 Riverside Pushawalla Canyon, Indio Hills. Comment
  RSA675729  Petalonyx thurberi Scott D. White 2001-4-27 8420 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  UC164853  Petalonyx thurberi subsp. thurberi S. B. Parish 1902-6-28 8121 Riverside Mecca Colorado Desert, Mecca Comment
  POM158195  Petunia parviflora Philip A. Munz, I. M. Johnston 1928-9-6 11279 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  UCR18846  Petunia parviflora John C. Roos 1951-10-19 5327 Riverside San Jacinto Valley, Near S end of Old Jackrabbit Trail 457 Comment
  UCR92254  Petunia parviflora Scott D. White, Steve Ogg 1994-10-17 2492 Riverside SW Perris Basin, Temecula: Murrieta Creek channel directly west of Cherry Street 311 Comment
  JOTR16609  Peucephyllum schottii Donaldson, John 1971-3-2 s.n. Riverside Joshua Tree National Park. PUSHWALLA CANYON Comment
  RSA471969  Peucephyllum schottii Robert Gustafson 1981-4-7 2149 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  SEINET10801063  Peucephyllum schottii David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3700 Riverside Pushawalla; growing in the wash. Indio Hills, Colorado Desert. Comment
  POM73356  Phacelia ambigua Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA426003  Phacelia ambigua P. J. Remple 1949-10-12 s.n. Riverside Dead Indian Creek near Palms to Pines Hwy. Comment
  RSA426005  Phacelia ambigua N. C. Cooper 1949-4-8 3258 Riverside Mecca Pass east of Indio 457 Comment
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Sep 7 2011
  RSA426006  Phacelia ambigua Robert L. Dressler 1949-3-19 366 Riverside Box Canyon, Orocopia Mts. Comment
  RSA427704B  Phacelia ambigua Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  POM49017  Phacelia brachyloba P. A. Munz 1924-5-18 8133 Riverside 18 miles outh of Banning, San jacinto Mts. 1524 Comment
  UCR16826  Phacelia brachyloba B. Freeman 1968-5-4 680504- 8 Riverside San Jacinto Mtns., Road from Banning to Idyllwild, c. 1 mi. NW of fork to Twin Pines Ranch. 1159 Comment
  UCR88298  Phacelia campanularia A. C. Sanders, K. C. Rose 1995-4-5 16369 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA81018  Phacelia campanularia subsp. vasiformis G. R. Campbell 1952-4-6 18406 Riverside Joshua Tree National Monument. 1.5 miles toward Cottonwood Springs, off road to 29 Palms 976 Comment
  UCR158728  Phacelia cicutaria var. hispida A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30009 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
  UCR162839  Phacelia cicutaria var. hispida S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR214308  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38379 Riverside Peninsular Range, 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. 503 Comment
  UCR50515  Phacelia cicutaria var. hispida S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  UCR104639  Phacelia ciliata D. E. Bramlet 1996-4-15 2454 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area, SW corner of reserve; adjacent to the existing maintenance road and 105 m north of the Ramona Expressway. 433 Comment
  RSA781749  Phacelia crenulata Duncan S. Bell 2011-12-30 3043 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCR138574  Phacelia crenulata Steve Boyd, Orlando Mistretta 1986-3-13 1440 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR268935  Phacelia crenulata var. ambigua Jim Andre 2015-3-2 31361 Riverside Mojave Desert, along Kolbe Road, northwest end of Coachella Valley at foot of Little San Bernardino Mountains, 0.2 mi west of intersection between Hwy 62 and Indian Avenue, road to Desert Hot Springs, 2.3 mi south of San Bernardino Co. line 529 Comment
  JOTR31059  Phacelia cryptantha La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2042 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
  UCR80792  Phacelia davidsonii Scott D. White 1993-5-29 1445 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  RSA272177  Phacelia distans C. W. Tilforth 1978-4-30 1567 Riverside Low, rounded hills east of Norco. Comment
  RSA426217  Phacelia distans N. C. Cooper 1944-5-21 1302 Riverside San Jacinto Mountains, west side. 915 Comment
  RSA516422  Phacelia distans Walter Wisura, Bart O'Brien, T. Hayduk 1990-5-2 4429 Riverside Ortega Hwy. below switchbacks, near Lake Elsinor. Comment
  RSA517927  Phacelia distans Steve Boyd, B. Roy, T. S. Elias, S. Meury, S. Zona 1986-3-5 1356 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  RSA770317  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4408 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  RSA85090  Phacelia distans J. C. Roos 1952-4-9 5493 Riverside Riverside, W face of Mt. Rubidoux. 400 Comment
  UCR279474  Phacelia distans A. C. Sanders, Jim Malusa 2017-3-29 43191 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCR92184  Phacelia distans D. L. Banks, Steve Boyd 1995-5-3 0187 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  RSA426106  Phacelia douglasii N. C. Cooper 1945-5-5 2262 Riverside San Gorgonio Mountains above Banning. 915 Comment
  SD119892  Phacelia fremontii Louis B. Ziegler 1969-4-3 339 Riverside Pinyon Flats; San Jacinto Mountains. Comment
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Nov 27 2012
  UCSB54159  Phacelia fremontii McKinley, Gale 1985-3-27 Riverside 1/2 mile west of Ryan campground in Joshua Tree National Monument 1280 Comment
  POM12034  Phacelia minor Mary F. Spencer 1921-6-16 795 Riverside Near Idyllwild, San Jacinto Mountains 1616 Comment
  RSA33574  Phacelia minor N. C. Cooper 1944-5-21 1266 Riverside San Jacinto Mountains, west side. 1220 Comment
  UC1184079  Phacelia minor Peter M. Ray 1949-3-12 1353 Riverside 2 mi w Whitewater (n side of valley, in draw and below); Coachella Valley 457 Comment
  UCR261177  Phacelia minor A. C. Sanders, Katie Young, John Hale 2015-4-22 41603 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  UCR4143  Phacelia minor Ronald M. Cope 1965-3-28 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, small canyon on west side of Canyon Crest Drive, about 2 mi south of Fire Prevention Lab 274 Comment
  GMDRC9803  Phacelia neglecta J. M. Andre 2017-3-1 38019 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  UCR137031  Phacelia ramosissima A. C. Sanders 2004-5-5 27783 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
  UCR40514  Phalaris aquatica Steve Boyd 1985-8-7 1112 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Tenaja Rd., 3.3 mi east of junction with 8S01 and 8S02 Comment
  RSA443395  Phalaris aquatica J. C. Roos 1962-6-30 s.n. Riverside Head of Tin Mine Canyon Comment
  RSA443396  Phalaris aquatica J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  UCR182090  Phalaris lemmonii Kristin Szabo 2002-1 126 Riverside Whittier Channel, SW edge of Hemet along Whittier Ave. east of Warren Rd., SW of trailer park and NW of airport 457 Comment
  UCR225735  Phalaris minor A. C. Sanders, T. B. Salvato 2011-3-30 38893 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  UCR2663  Phleum pratense F. M. Reed 1903-12-10 224 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  HSC99177  Phoradendron californicum Paul J. CaraDonna 2009-3-17 131 Riverside Jumbo Rock Campground, Joshua Tree National Park. Comment
  RSA420764  Phoradendron californicum F. R. Fosberg 1932-3-13 8089 Riverside Thousand Palm Canyon, Coachella Valley Comment
  RSA771112  Phoradendron californicum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4732 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  UC748989  Phoradendron californicum Susan Delano McKelvey 1935-12-6 5035 Riverside between Cottonwood Mts. and Mecca Comment
  UCR137563  Phoradendron densum A. C. Sanders 2004-5-5 27762 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
  UC1073268  Phoradendron villosum George B. Rossbach 1955-4-22 230 Riverside slope between Juniper Flat and Stubby Spring; Little San Bernardino Mts. 1402 Comment
  JEPS70616  Phragmites australis W. L. Jepson 1914-5-22 6044 Riverside ne Edom (cave in Thousand Palms Canyon); Colorado Desert, Thousand Palms Canyon Comment
  RSA443393  Physalis acutifolia J. C. Roos 1965-9-5 s.n. Riverside Blythe. Comment
  JOTR35002  Physalis crassifolia La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3104 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road 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
  SD181325  Physalis crassifolia Scott D. White 2000-10-24 8140 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 609 Comment
  SEINET12808848  Physalis crassifolia Chris Dietrich, M. Merello, and H. Schmidt 1994-1 21 Riverside 9 mi NNW of Indio, off Dillon Road 1.9 mi NE on Berdoo Canyon Road (J241). BLM Land. Desert Access Guide map #17. 380 m 358 Comment
  UCR241004  Physalis crassifolia Tracy Tennant 1998-3-4 178 Riverside San Jacinto Valley, south slope of the North Hills, Domenigoni Valley area, SE of Winchester 694 Comment
  UCR113861  Picris echioides Mitch Provance 2000-6-24 2056 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  SD229025  Pinus jeffreyi Dick Schwenkmeyer 2012-9-20 841 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  SD80070  Pinus monophylla Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 374 Riverside Santa Rosa Mountains, north slope, Deep Canyon, about 2 miles south of Highway #74 1310 Comment
  POM310583  Pinus quadrifolia G. Mansfield-Jones 1956-11-11 564 Riverside Palms to Pines highway, near Lake Hemet. Mt. Range San Jacinto-Santa Rosa. 1524 Comment
  UC1134099  Pinus quadrifolia H. A. Jensen 1933-2-6 263 Riverside Cuahuilla Valley San Jacinto Quad., Cuahuilla Valley 1097 Comment
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Feb 23 2011
  UC64441  Pinus quadrifolia H. M. Hall June, 1901 2139 Riverside Coyote Canyon Santa Rosa Mountain (western base Santa Rosa Mountain); San Jacinto Mountains, Santa Rosa Mountain 1524 Comment
  UCR19284  Pinus quadrifolia John C. Roos 1947-4-5 3436 Riverside San Jacinto Mtns., Head of Thomas Valley 1463 Comment
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Oct 25 2011
  UCSB17229  Pinus quadrifolia D. Breedlove 1961-8-5 958 Riverside ALONG CA HWY 74 AT JCT WITH ROAD TO ANZA 1371 Comment
  RSA645324  Plagiobothrys acanthocarpus Steve Boyd, Ian Gillespie 2000-4-15 10301 Riverside Gavilan Hills region: South flank of Alberhill Mountian, just east of the heavily mined area., Near 34 deg 42' 43.5''N 117 deg 22' 39.0''W 463 Comment
  SBBG119105  Plagiobothrys arizonicus W. L. Halvorson 1977-3-13 77 -178 Riverside near Temecula Comment
  UCR172201  Plagiobothrys canescens John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR241777  Plagiobothrys canescens A. C. Sanders, Timothy W. Chumley 2013-4-1 40723 Riverside Peninsular Range; Elsinore Valley, Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  SD260921  Plagiobothrys collinus Andrew C. Sanders, T. B. Salvato 2012-4-27 40089 Riverside Peninsular Range: Santa Ana Mtns Region: Temescal Canyon, along Temescal Canyon Rd. east of I-15 crossing and nouth of Mayhew Cyn (Lake Mathews 7.5'Q) 313 Comment
  UC718552  Plagiobothrys collinus Carl B. Wolf 1935-4-7 Riverside 2 mi sw Perris; Gavilan Hills Region 426 Comment
  UCR122564  Plagiobothrys collinus George K. Helmkamp, E. A. Helmkamp 1998-4-24 3375 Riverside San Jacinto Mountains, 0.1 mi east of the junction of Calif. Hwy 74 and Calif. Hwy 371, SE side of the mountains 1494 Comment
  POM368895  Plagiobothrys collinus var. californicus D. A. Young 1969-3-28 P- 366 Riverside 1/2 Mile NE of interstate 10 on Verbenia Ave. 100 yds S of Chaparral Rd on the SW side of Verbenia Ave. 335 Comment
  RSA517931  Plagiobothrys collinus var. californicus Steve Boyd 1986-3-1 1370 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  RSA689516  Plagiobothrys collinus var. californicus Scott D. White, Michael Honer 2003-4-2 8902 Riverside Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  RSA716876  Plagiobothrys collinus var. californicus A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25847 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  SEINET7073472  Plagiobothrys collinus var. californicus 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
  SD244103  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy . Chumley 2013-4-2 40747 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, near I-15 Fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 377 Comment
  UCR265816  Plagiobothrys collinus var. fulvescens Mitch Provance 2012-5-24 512- 06 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  RSA0106709  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-9 759 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  UC1608031  Plagiobothrys jonesii A. C. Sanders with E. J. Lawlor 1992-4-4 12143 Riverside within 1/2 mi McCoy Spring (alluvial slopes below and to s, and canyon bottom above the spring); Colorado Desert, McCoy Mountains 243 Comment
  SD224886  Plagiobothrys leptocladus A. C. Sanders, K. D. Jones & D. Malueg 1996-4-20 18048 Riverside San Jacinto River between Neuvo and Lakeview, from 11th to 13th Streets, alkaline flats among the E side of the river channel. 433 Comment
  POM368893  Plagiobothrys nothofulvus Ora M. Clark 1929-3-2 1634 Riverside Near Elsinore. Comment
  RSA543589  Plagiobothrys nothofulvus Steve Boyd, Laurel Arnseth, Orlando Mistretta 1991-5-6 6141 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA562107  Plagiobothrys nothofulvus Steve Boyd 1992-4-14 6799 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  SBBG92278  Plagiobothrys nothofulvus J. Hirshberg 1989-4-19 Riverside Santa Rosa Plateau, S of town of Murrieta, W of Mesa de Burro 609 Comment
  SBBG53772  Plagiobothrys tenellus S. Boyd 1980-4-27 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  SEINET7063030  Plagiobothrys tenellus A. G. Vestal 1962-3-27 s.n. Riverside About 3.5 miles northeast of Lake Elsinore on Route 74. UTM Zone 11, 470760mE, 3730110mN. (WGS84/NAD83). 472 Comment
  CLARK-A1045-154  Plagiobothrys undulatus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pools near origin of creek; Wildomar 7.5'Q Comment
  UCR281237  Plantago elongata Mitch Provance, Jeremiah George 2017-3-23 317- 64 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  UCR113886  Plantago erecta Mitch Provance 1998-4-9 407 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
  UCR91997  Plantago lanceolata Chet McGaugh 1996-4-26 s.n. Riverside San Jacinto Valley, Hemet, 0.25 mi west of State St., between Esplanade and Cottowood 465 Comment
  UCSB52999  Plantago lanceolata Pritchett, David 1986-3-9 Riverside Box Canyon Wash 6 miles east of Mecca on Highway 195 Comment
  RSA718773  Plantago ovata Michael Honer, L. Hulse 2004-4-4 1928 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  RSA402042  Plantago ovata var. fastigiata N. C. Cooper 1944-5-20 2622 Riverside Pinyon Flats. 1067 Comment
  RSA676150  Plantago ovata var. fastigiata Scott D. White 2001-4-12 8312 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  UCR250314  Plantago subnuda A. C. Sanders 2014-4-16 41016 Riverside Peninsular Range, Temescal Valley, Campbell Ranch Rd. between Indian Truck Trail and Temescal Canyon Rd., south of Sycamore Creek Fire Station 372 Comment
  CAS-BOT-BC93211  Platanus racemosa Carl B. Wolf 1932-5-24 3647 Riverside Snow Creek Canyon, 0.5 mile below the fish hatchery, north base of San Jacinto Mountain. 548 Comment
  SD233899  Platanus racemosa A. C. Sanders, J. Goetzen 1996-5-1 18140 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning. 793 Comment
  SEINET10763688  Platanus racemosa R. Allen, Fred M. Roberts 2007-6-22 Allen s.n. Riverside SE of Hemet, Bautista Cyn, ca. 4 road mi SE of jct Bautista Cyn Rd & Fairview Ave. UTM Zone 11S; 3726312mN; 05152050E. 727 Comment
  JEPS51598  Platystemon californicus W. L. Jepson 1901-5-27 1470 Riverside Cahuilla Valley Comment
  RSA445698  Platystemon californicus Jeannette B. Edge 1934-3-18 18853 Riverside [San] Timoteo Canyon. 518 Comment
  UC519884  Platystemon californicus Katherine Kinsel 1930-4-17 Riverside near Perris; near Perris Comment
  RSA0041455  Pleuraphis rigida Duncan S. Bell, LeRoy Gross 2014-3-20 6278 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA129652  Pleuraphis rigida H. S. Yates 1937-3-23 6424 Riverside 5 miles NW of Edon 49 Comment
  UC1930200  Pleuraphis rigida Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10492 A 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
  UC912655  Pleuraphis rigida H. L. Mason 1928-3-10 4198 Riverside Whitewater River Comment
  UC729734  Pleurocoronis pluriseta Carl B. Wolf 1932-4-27 3045 Riverside 1 mi off Mecca-Blythe Road (lower end of Lost Palms Canyon at first rocky hills); Colorado Desert, Lost Palms Canyon 243 Comment
  UCR60264  Pluchea sericea Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3663 Riverside Vail Lake area, Temecula Creek Canyon below the dam 459 Comment
  CLARK-A1528-4813  Poa annua John C. Roos 1965-10-7 Riverside Hemet Comment
  CAS-BOT-BC255663  Poa bigelovii S. B. Parish 1907-4-18 6139 Riverside Tahquitz Canon, W edge of the Colorado desert 200 Comment
  CLARK-A1528-4828  Poa pratensis John C. Roos 1952-5-7 5622 Riverside Edgemont 487 Comment
  UCD91886  Poa secunda subsp. secunda F. M. Reed 1905-4-2 694 Riverside Box Springs Mountains. 548 Comment
  SBBG93057  Polygala cornuta var. fishiae S. D. White 1990-6-16 Riverside E wall of Hagador Cyn, near mouth of cyn Comment
  UC1930040  Polypogon monspeliensis Scott D. White, Justin Wood 2008-6-16 12113 Riverside San Jacinto Mountains: Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring. Comment
  UCR114316  Polypogon monspeliensis Mitch Provance 1998-3-21 271 A Riverside Jurupa Hills, Sunnyslope, near the Ormand Quarry, at the corner of 30th St. and Sierra Ave. 274 Comment
  IRVC159  Polystichum imbricans subsp. curtum R. H. Whittaker, W. A. Niering 1963-5-27 SJ 7 Riverside Hemet Hwy, between Hemet and Mtn Center. Peninsular Ranges, San Jacinto Mountains 1250 Comment
  SEINET10932112  Populus fremontii Billy Joe Cox 1975-4-23 Cox 4156 Riverside Palo verde, 1-3 km w, ca 32 m s of blythe. Creosote desert scrub; sandy and gravelly entisols. 100 Comment
  UCR160449  Potamogeton T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  UCR202596  Potamogeton foliosus var. foliosus Scott D. White, Justin M. Wood 2008-7-9 12433 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  POM13649  Potentilla gracilis var. fastigiata Philip A. Munz 1922-7-6 5986 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  UCR277623  Proboscidea parviflora subsp. parviflora Aaron C. Sedgwick, Cody Leslie 2012-9-21 126 Riverside Mojave Desert, Rice Valley, c. 10 miles south of Hwy 62 on Rice/Blythe Road 281 Comment
  UCR108726  Prosopis glandulosa Scott D. White, Sandy Leatherman 1998-4-15 6284 Riverside Sonoran (Colorado) Desert, La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes north of Miles Ave. & west of Washington St., Coachella Valley 43 Comment
  CAS-BOT-BC206979  Prosopis glandulosa var. torreyana Roxana S. Ferris 1918-6-14 963 Riverside By stream at Palm Springs. Comment
  UC574978  Prosopis glandulosa var. torreyana C. Epling and Wm. Robison 1933-6-24 Riverside near Indio Comment
  CAS-BOT-BC158582  Prunus David Dreyer 1968-4-9 s.n. Riverside Along north facing slopes of south side of Morongo Valley 609 Comment
  RSA336035  Prunus fremontii Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52068 Riverside Along Palms to Pines Highway, N slope of Santa Rosa Mts. Comment
  RSA86856  Prunus fremontii F. W. Peirson 1917-4-1 1986 Riverside Fruiting specimen from Tahquitz Canyon, Palm Springs region. Comment
  UCR20437  Prunus fremontii John C. Roos, L. Roos 1953-3-21 5908 Riverside Sonoran (Colorado) Desert, Mouth of Andreas Canyon south of Palm Springs 274 Comment
  RSA454142  Prunus ilicifolia Gale Sphon 1955-5-21 s.n. Riverside 3 miles south of Banning. Comment
  UC489040  Prunus virginiana var. demissa C. V. Meyer 1927-6-1 180 Riverside Dark Canyon, San Jacinto Mountains Dark Canyon; San Jacinto Mountains, Dark Canyon 1828 Comment
  CAS-BOT-BC356329  Psathyrotes ramosissima H. M. Hall 1905-5-1 5864 Riverside Colorado Desert. Chuckawalla [Chuckwalla] Springs Comment
  SEINET2054371 Image available Psathyrotes ramosissima Joe Barrington 1968-5-11 68051114 Riverside Outside Palm Desert on Hway 74 at the edge of the valley floor, entering the mts. to Santa Rosa Mt., 100 yards from road. 609 Comment
  UCR136267  Pseudognaphalium biolettii A. C. Sanders 2004-4-20 27549 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  CAS-BOT-BC356791  Pseudognaphalium californicum Steve Boyd; Aydee Virgen 2004-4-13 10845 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UC667298  Pseudognaphalium canescens Annie M. Alexander and Louise Kellogg 1941-5-4 2118 Riverside Barker Dam Joshua Tree National Monument, Barker Dam (among rocks) 1322 Comment
  UCR280957  Pseudognaphalium canescens subsp. microcephalum Mitch Provance, Matt K. Beyers 2017-6-8 617- 12 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. 366 Comment
  JOTR30788  Pseudognaphalium luteoalbum La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2096 Riverside Joshua Tree National Park. Eagle Mountains; Cottonwood Oasis 914 Comment
  SD187364  Pseudognaphalium luteoalbum Scott D. White, Angelia Carey 2004-5-7 10322 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UC485673  Pseudognaphalium thermale A. J. Perkins 1916-9-17 Riverside Idlywild <may be Idlewild> San Jacinto Mt., Idlywild Comment
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Oct 19 2008
  RSA515331  Psilocarphus brevissimus Jeri Hirshberg 1989-5-9 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, SW slope of Mesa de Burro. 579 Comment
  CAS-BOT-BC353586  Psorothamnus arborescens var. simplicifolius Marcus E. Jones 1925-9-7 s.n. Riverside Palm Springs Comment
  UC863834  Psorothamnus arborescens var. simplicifolius Lewis S. Rose 1938-12-18 38322 Riverside Palms Springs Palm Springs (Sanby desert [sic]) 137 Comment
  POM147641  Psorothamnus emoryi F. M. Reed 1927-3-20 5406 Riverside Salt Creek Wash. Comment
  RSA293531  Psorothamnus emoryi C. W. Tilforth 1979-8-8 1907 Riverside S edge of Palm Desert along Highway 74, SE of Palm Springs, Riverside Co. 76 Comment
  RSA5395  Psorothamnus emoryi B. D. Stark 1932-6-15 1517 Riverside Whitewater to Indio Road 152 Comment
  SFV21860  Psorothamnus emoryi J. R. Pucci 2001-5-12 25 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  UCSB3043  Psorothamnus emoryi Mooney, Harold 1956-4-14 Riverside Turn off to Desert Hot Springs on Highways U.S. 60, 70, 99 Comment
  SEINET2063918 Image available Psorothamnus polydenius A. C. Sanders, B. G. Pitzer, B. L. Phillips 1988-10-15 8717 Riverside Mojave Desert, S edge of Fort Irwin Miltary Training Center, NE of Barstow, on E slope of Paradise Range, Lane Mtn. 15' Quad. 640 Comment
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Sep 13 2015
  UCR279354  Psorothamnus polydenius A. C. Sanders, Jim Malusa 2017-3-23 42911 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
  CAS-BOT-BC340890  Psorothamnus schottii W. R. Dudley 1903-12-25 s.n. Riverside Near Palm Springs Comment
  JOTR32398  Psorothamnus spinosus Harding, Mitzi, A. Benton 2011-7-13 16 Riverside Joshua Tree National Park. Pinto Basin; Smoke Tree Wash; sandy, open flat along Pinto Basin road, just north of Smoke Tree Wash 809 Comment
  POM46967  Psorothamnus spinosus Mary F. Spencer 1918-3-27 756 Riverside Palm Springs. 137 Comment
  RSA404274  Psorothamnus spinosus M. V. Hood 1931-06 s.n. Riverside Coachella Valley, Coral Reef Ranch. Comment
  SD158299  Pterospora andromedea Fritz Clark 1999-7-24 Riverside San Jacinto Mountains, Camp Marion, under pines 2438 Comment
  RSA522713  Pterostegia drymarioides Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3899 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
  UCR116989  Pterostegia drymarioides A. C. Sanders, T. B. Salvato 2001-5-3 24074 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR136271  Pterostegia drymarioides A. C. Sanders 2004-4-20 27551 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR273975  Quercus Mitch Provance 2012-8-4 412- 28 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  JOTR32954  Quercus X munzii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 305 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Willow Hole in Wonderland of Rocks Comment
  RSA0086759  Quercus agrifolia R. G. Swinney 1967-5-26 11730 Riverside Snow Creek. 335 Comment
  SEINET13953027 Image available Quercus agrifolia Peter H. Raven 1958-1 12982 Riverside Along roadside, 3.0 miles east of junction to Aguanga San Jacinto Mountains Comment
  UCR158954  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31548 Riverside San Jacinto Mtns., east of Vandeventer Flat along Hwy 74, 0.8 mi. west of Santa Rosa Mtn. Rd. 1311 Comment
  RSA356628  Quercus berberidifolia Robert F. Thorne 1975-8-29 47313 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  SD186232  Quercus berberidifolia A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24970 Riverside Laborde Canyon and adjacent slopes and side canyons, 1.0 mile east of Mt. Eden, southwest of Beaumont. 548 Comment
  UCD45293  Quercus berberidifolia K. R. Montgomery 1969-7-9 69 29 Riverside Elevation 3500', Wilson Valley, 18 miles south of Hemet, Riverside County, California. 1066 Comment
  UCR250001  Quercus berberidifolia Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  RSA502497  Quercus cornelius-mulleri Steve Boyd 1989-6-11 3739 Riverside Vail Lake area, S flank of Oak Mountain, N of the lake. 549 Comment
  CAS-BOT-BC86546  Quercus dumosa E. W. Lathrop 1965-9-22 6020 Riverside 8 miles W of Murrieta. Santa Ana Mts. 609 Comment
  UCR118000  Quercus engelmannii J. Zabriskie 1978-9-10 1155 Riverside Santa Rosa Mtns, Boyd Deep Canyon Desert Research Center, intersection of Horsethief Creek and Cactus Spring Trail 1037 Comment
  UCR121651  Quercus engelmannii A. C. Sanders, Kent Beaman 2002-5-10 25047 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
  UCR217658  Quercus engelmannii Diane Menuz, Joe Veverka 2007-8-9 357 Riverside Peninsular Range, Temecula, along north bank of Santa Margarita River c. 0.9 mi southwest of I-15 and Hwy 79S interchange 300 Comment
  RSA39264  Quercus turbinella P. A. Munz 1946-10-19 11569 Riverside 1 miles east of Anza. 1159 Comment
  UC2062974  Quercus wislizeni J. D. Olmsted 1962-5-2 3526 Riverside Along road from Santa Rosa Indian Reservation to old Village, etc., at first canyon crossing to SW side. Comment
  SACT002731  Quercus wislizeni var. frutescens A. Delisle 1961-6-25 Riverside Alendale Pines Riverside, Ca Comment
  UCR167820  Rafinesquia californica John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR46703  Rafinesquia californica D. C. Hawks, Guy Bruyea 1987-4-14 s.n. Riverside Gavilan Hills, on Juniper Rd, 1 mi north of intersection between Juniper and Idaleona Rds 640 Comment
  POM6732  Rafinesquia neomexicana P. A. Munz, L. T. Street, Williams 1919-3-28 s.n. Riverside San Gorgonio Pass, Cabazon 543 Comment
  RSA620636  Rafinesquia neomexicana B. Pitzer, O. Clarke, S. Reed, G. Ruiz 1998-3-7 3582 Riverside San Bernardino Mountains: Wildlands Conservancy's Mission Creek Preserve. 762 Comment
  RSA688847  Rafinesquia neomexicana Scott D. White, Michael Honer 2003-5-13 9246 Riverside San Bernardino Mtns: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  RSA80988  Rafinesquia neomexicana G. R. Campbell 1952-4-5 18374 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UCR26099  Rafinesquia neomexicana John C. Roos 1948-4-24 3802 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  CAS-BOT-BC379420  Ranunculus alismifolius var. alismellus H. E. Parks 1892-7-2 s.n. Riverside San Jacinto Mountains, Tanquity Meadows Comment
  RSA286794  Ranunculus aquatilis var. capillaceus Robert F. Thorne 1974-5-23 44657 Riverside Santa Rosa Plateau, Rancho California: at N base of Mesa de Colorado in shallow water of small tenajas of small stream 610 Comment
  UC219270  Ranunculus aquatilis var. capillaceus P. A. Munz and I. M. Johnston 1922-5-21 5522 Riverside Garner Ranch San Jacinto Mts., Hemet Valley 1371 Comment
  UC219255  Ranunculus californicus P. A. Munz and I. M. Johnston 1922-5-20 5462 Riverside 1 1/2 mi below Kenworthy; San Jacinto Mts. 1417 Comment
  RSA0019604  Ranunculus californicus var. californicus Julia McClure 1940-05 s.n. Riverside San Jacinto. [Presumably San Jacinto Mountains, not San Jacinto Valley or City of San Jacinto] Comment
  SD232318  Ranunculus sceleratus Scott D. White, Justin M. Wood 2008-7-9 12441 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Pond, creek, and adjacent uplands. 1426 Comment
  SEINET3562936 Image available Raphanus sativus Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. Comment
  RSA33888  Raphanus sativus N. C. Cooper 1944-4-22 1151 Riverside Banning. 762 Comment
  SEINET11261098  Raphanus sativus N. Duane Atwood 1993-3-29 17736 Riverside Huntington Beach along Beach Blvd. ca. 1/2 mi. N of beach.; 0 Comment
  POM246569  Rhamnus crocea B. D. Stark 1933-2-19 4530 Riverside 2.5 mi. East of Nuevo. 762 Comment
  UCR90986  Rhamnus crocea Scott D. White 1996-3-31 3872 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  UC488989  Rhamnus ilicifolia C. V. Meyer Jun 1927 164 Riverside Saunder's Meadow San Jacinto Mts. 1737 Comment
  RSA20098  Rhamnus tomentella subsp. cuspidata I. W. Clokey, E. G. Anderson 1935-8-21 6735 Riverside North of Idlewilde. 1650 Comment
  UC314558  Rhododendron occidentale Marcus E. Jones, A. M. 1926-6-20 Riverside 20 mi n of Idyllwild Comment
  UC877123  Rhododendron occidentale I. W. Clokey, E. G. Anderson 1935-8-21 6783 Riverside Fuller's Creek 1500 Comment
  SD136940  Rhus ovata Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6744 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Morgan Trail from Round Potrero west to junction with Tenaja Trail in north fork Bear Crk. 669 Comment
  SDSU13476  Rhus ovata James C. Dice, Ruth Miller 1987-11-23 755 Riverside Santa Margarita Ecological Reserve: Temecula Gorge, south side of auqeduct crossing. T8S, R3W, SE 1/4 of NE 1/4 of Section 27. 259 Comment
  UCR115381  Rhus ovata June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Sierra Peak 929 Comment
  RSA667365  Rhus trilobata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25014 Riverside The Badlands: Laborde Canyon and Adjacent s,opes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont., 33 53 45 N, 117 01 30 W 549 Comment
  RSA783049  Rhus trilobata J. D. Olmsted 1959-8-18 806 Riverside By tennis courts at Desert Sun School near Idyllwild 1646 Comment
  RSA476255  Ribes californicum var. hesperium E. Crow 1929-3-17 212 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  UCR110988  Ribes cereum var. cereum George K. Helmkamp 1998-6-27 4127 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  CAS-BOT-BC173130  Ribes indecorum Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-30 3942 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. Saddle between summits, N slope along rd heading N to Black Hills 792 Comment
  UCR104591  Ribes indecorum G. F. Pratt 1998-1-7 s.n. Riverside Jurupa Mtns., Jurupa Mt., on San Bernardino/Riverside county line, ENE of N terminus of Pyrite Rd, north of community of Sunnyslope 662 Comment
  UC11595  Ribes malvaceum var. viridifolium Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR114738  Robinia pseudoacacia A. C. Sanders, K. C. Rose 1999-6-18 22802 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  RSA446203  Romneya coulteri F. Post 1931-5-5 s.n. Riverside Lake Elsinore Comment
  RSA638201  Romneya coulteri Scott D. White 1998-10-9 7171 Riverside Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  UCR217664  Romneya coulteri Ana Hernandez, Jeff B. Galvin 2010-5-6 020 Riverside Santa Ana Mountains, At the mouth of Rice Canyon on East Horsethief Trail next to riparian drainage 494 Comment
  UC1921996  Rosa californica Scott D. White, Angelia Carey 2004-5-7 10334 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent foothills. Comment
  UC519954  Rosa californica Louis C. Wheeler 1931-10-4 204 Riverside Strawberry Valley San Jacinto Mts. 1584 Comment
  SEINET239057 Image available Rostraria cristata Mitch Provance 1998-3-20 174 B Riverside Riverside area: Jurupa Mtns. pass west of Rattlesnake Mtn. along the E side of Armstrong Rd. ca. 1/8 mi. S of the San 313 Comment
  UCR266498  Rumex californicus Mitch Provance, Matt Amalong 2015-4-6 415- 14 Riverside Temecula/Murrieta Region, About 1 mile SW of Winchester, along Leon Rd. in the vicinity of Norma Way and Busby Rd. 452 Comment
  RSA180480  Rumex conglomeratus E. W. Lathrop 1960-6-8 4907 Riverside 14 miles west of Murrieta Comment
  UC452559  Rumex crispus S. B. Parish 1913-9-20 8617 Riverside railway water works, Mecca Salton Sink -57 Comment
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Feb 3 2011
  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
  CDA2894  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Perris-Aguanga Basin; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada Comment
  SEINET244301  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Perris-Aguanga Basin Region; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada 345 Comment
  UCR39468  Rumex salicifolius A. C. Sanders 1980-7-22 1721 Riverside San Jacinto Mtns, Dutchman's Flat in Bear Trap Canyon about 1 mi (airline) west of Idyllwild. Between Hwy 243 and Foster Lake 1814 Comment
  UCR110927  Rumex salicifolius var. salicifolius A. C. Sanders, K. C. Rose 1999-6-18 22828 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UC7469  Salicornia subterminalis H. M. Hall 1899-6-2 Riverside near Perris (along San Jacinto River); San Jacinto River Comment
  UC846660  Salix Joseph Andorfer Ewan 1933-3-19 10902 Riverside Santa Ana River bottoms at Prador; Santa Ana River, Prador Comment
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Oct 30 2011
  CAS-BOT-BC108109  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert Comment
  RSA543185  Salix laevigata Steve D. Boyd 1991-3-17 5502 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
  UC914196  Salix laevigata Charles B. Fiker 1946-5-30 3361 Riverside 100 yards from dismantled service station on Pala Rd. from Temecula bridge Comment
  RSA543186  Salix lasiolepis Steve D. Boyd 1991-3-17 5503 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
  RSA612479  Salix lasiolepis D. L. Banks 1997-2-23 1338 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 368 Comment
  POM12875  Saltugilia splendens P. A. Munz 1922-7-6 6015 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA123825  Saltugilia splendens P. H. Raven, Richard Snow 1957-7-26 11119 Riverside San Jacinto Mountains: 2.0 miles S of Vista Grande Ranger Station, Banning-Idyllwild road. Comment
  JEPS62535  Salvia apiana W. L. Jepson 1901-5-17 1238 Riverside hills near San Jacinto Lake 457 Comment
  UCR100304  Salvia apiana B. G. Pitzer 1997-4-20 3194 Riverside Lakeview Mtns, Warren St. at base of hills, c. 1/2 mi. (airline) NE of Contour Ave. ( = Juniper Flat Road). Just past the turn-off to the water tank 534 Comment
  UCR103172  Salvia apiana Scott D. White, Julie Greene 1997-3-12 4779 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR112309  Salvia apiana A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23449 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA411372  Salvia carduacea Bonnie C. Templeton 1931-4-23 s.n. Riverside Between Perris and Gavilan Peak. 600 Comment
  HSC38751  Salvia columbariae A. M. Montalvo, J. D. Ackerman 1975-6-26 521 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor near Upper San Juan Campground Comment
  RSA314624  Salvia columbariae Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55414 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA401484A  Salvia columbariae P. J. Remple 1942-3-2 s.n. Riverside Garnet Station. Comment
  RSA401492A  Salvia columbariae Bruce M. Crawford 1932-5-1 s.n. Riverside 15 miles east Windmill springs [At or near Windmill Tank] 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
  RSA783218  Salvia columbariae J. D. Olmsted 1962-6-23 5228 Riverside 1/2 mile south of conservation-detention school east of Oak Glen, southeast of San Bernardino Mountains 1524 Comment
  SEINET2066014 Image available Salvia columbariae Noel H. Holmgren, Apatricia K. Holmgren, Ruth E. Kern 1973-3-23 6486 Riverside At the S entrance to Joshua Tree National Monument, near Interstate 10, 24 miles E of Indio. 548 Comment
  UCR152639  Salvia columbariae A. C. Sanders 2005-4-22 29607 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCSB5783  Salvia columbariae Cline, C. 1960-5-15 Riverside 0.2 miles from Hwy. 74; on road to Anza 1219 Comment
  UCLA69704  Salvia eremostachya K. Watkins and E. McClintock 1937-4-10 Riverside near road to Shumway (Palms to Pines highway) Comment
  SD70009  Salvia greatae Darley F. Howe 1968-3-17 4494 Riverside Salton Creek between Orocopia and Chocolate Mountains. 121 Comment
  UCR137566  Salvia mellifera A. C. Sanders 2004-5-5 27775 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
  UCR16807  Salvia vaseyi B. A. Carlson 1978-4-22 s.n. Riverside Santa Rosa Mtns, 5 mi. south of Palm Desert, east of Hwy 74 488 Comment
  JEPS57289  Sambucus mexicana L. R. Heckard and R. C. Bacigalupi 1968-5-5 1805 Riverside 2.6 mi n Radec 548 Comment
  UCR169318A  Sambucus mexicana T. B. Salvato, John F. Green 2004-5-27 618 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
  SEINET13945117 Image available Sanicula arguta A. C. Sanders 2001-1 24144 Riverside Santa Ana Mtns. Region: W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro, E side of Rancho C. Rd. 488 Comment
  UCR91064  Sarcodes sanguinea Joan Callahan 1996-6-3 s.n. Riverside San Jacinto Mtns, southern Idyllwild, 26281 Lookout road, near Marion View Rd. 1616 Comment
  UCR16094  Sarcostemma cynanchoides M. J. Arbaugh 1978-4-29 s.n. Riverside Western Colorado Desert, N of Mecca, 1 mi. N on Painted Canyon Road Comment
  UCR121349  Schismus barbatus A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25029 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  POM184658  Scirpus acutus var. occidentalis L. C. Wheeler 1932-9-4 1337 Riverside Prado Basin: Santa Ana River at Chino Creek 183 Comment
  UC841173  Scirpus acutus var. occidentalis Crawford and Johnston 1917-6-9 1226 Riverside Santa Ana River near Corona (along stream); Santa Ana River near Corona Comment
  POM320443  Scirpus microcarpus Worthman 1968-5-16 154 Riverside 4.4 miles west of Murrieta. 320 Comment
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Jun 16 2013
  RSA596144  Scirpus microcarpus Darin L. Banks 1996-11-7 1192 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 472 Comment
  RSA736791  Scrophularia californica Scott D. White, Angelia Carey 2004-7-2 10556 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR91461  Scrophularia californica Scott D. White 1995-3-30 2674 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  RSA749692  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Mitch Provance 2008-7-11 35811 Riverside Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1450 Comment
  RSA683696  Selaginella bigelovii Ora M. Clark 1929-2-23 1522 Riverside S Cabazon, San Jacinto Mtns. Comment
  POM9818  Selaginella bigelovii Edmund C. Jaeger 1921-7-15 s.n. Riverside Massacre Canyon, 4 miles west of San Jacinto 548 Comment
  LA209672  Selaginella eremophila Lawrence L. Kiefer; 1963-3-24 485 Riverside San Jacinto Mountains, Andreas Canyon, vicinity of Palm Springs, 304 Comment
  UCD135512  Senecio californicus C. L. Hitchcock 1966-3-16 24187 Riverside about 5 miles northeast of Aguanga, on open gravelly slopes. Comment
  SEINET3094739 Image available Senecio douglasii Norman C. Cooper 1943-9-26 926 Riverside Cabazon 549 Comment
  CDA8634  Senecio flaccidus var. douglasii T. C. Fuller 1958-9-23 2199 Riverside R. 79, 2 miles west of Aguanga. 0 Comment
  CHSC7465  Senecio flaccidus var. douglasii Robert Ediger 1966-8-11 531 Riverside Along C. 71; 5 miles N.W. of Alberhill. Roadside. Comment
  JEPS30416  Senecio flaccidus var. douglasii Donald Kyhos 1958-5-23 58 -189 Riverside Banning, bank of San Gorgonio River San Gorgonio River Comment
  SD137853  Senecio flaccidus var. douglasii Darin L. Banks, Steve Boyd 1995-5-17 448 Riverside Agua Tiobia Mountains; north face of Agua Tibia Mountain, east of the Dripping Springs Alcove. 594 Comment
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May 20 2013
  RSA796016  Senecio mohavensis Duncan S. Bell 2009-4-18 247 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  RSA496133  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3015 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  RSA522715  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3901 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