Search Results — 2000 specimen records retrieved (1887 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CSUSB1082  Abronia villosa Sally Bell 1964-3-15 Riverside Cathedral City, in dry wash about 300 yards behind Travel Lodge Trailor Park off Highway 111. 91 Comment
  SEINET7909538  Abronia villosa P. L. Packard 1976-1 23 Riverside 6 mi W of Blythe, Interstate 10 Comment
  UCR215643  Abronia villosa Bao Doan 2010-5-31 12 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. at San Gorgonio River wash crossing 473 Comment
  POM746  Abronia villosa var. aurita Jenkins, Steele 1917-5-30 1935 Riverside San Jacinto. Comment
Read comments
Mar 1 2014
  RSA0103442  Abronia villosa var. aurita Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8560 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  RSA461205  Abronia villosa var. aurita M. B. Dunkle 1932-3-25 2893 Riverside Cabazon. Colorado desert. 457 Comment
  RSA784779  Abronia villosa var. aurita Duncan S. Bell 2012-3-18 3183 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
  SEINET946021  Abronia villosa var. aurita Robert L. Rutherford 1944-1 1592 Riverside Palms to Pines Highway. 1463 Comment
  SEINET946026  Abronia villosa var. aurita J. E. Bowers, S. P. McLaughlin 1985-1 3004 Riverside 4.1 miles by road northwest of junction of Highway 371 and 74, on Highway 74. Comment
  UCR35039  Acacia greggii L. B. Ziegler 1967-8-23 211 Riverside San Jacinto Mtns, Pinyon Flats; dry washes on the flats 1250 Comment
  SEINET1957251 Image available Acamptopappus sphaerocephalus Unknown 1985-4-18 8329 Riverside Chuckawalla Mountains, 1 mile west of Astec Well and 11.7 miles south of highway I-15. 620 Comment
  SEINET9122084  Acamptopappus sphaerocephalus N. Zabriskie, W. Zabriskie 1969-1 192 Riverside Andreas Canyon near Palm Springs. 411 Comment
  HSC27994  Acamptopappus sphaerocephalus var. sphaerocephalus Richard Spjut 1973-5-5 3346 Riverside Colorado Desert; rocky and gravelly flats and hills bordering the southern slopes of the Chuckawalla Mts. 610 Comment
  JEPS12544  Acamptopappus sphaerocephalus var. sphaerocephalus W. L. Jepson 1927-4-12 11658 Riverside east (at Whitewater) San Gorgonio Pass; Whitewater 423 Comment
  JEPS30722  Acamptopappus sphaerocephalus var. sphaerocephalus Peter H. Raven 1962-4-7 17112 Riverside 1.5 mi n, in Whitewater Wash U.S. Highway 70--99; Whitewater Wash Comment
  POM308627  Acamptopappus sphaerocephalus var. sphaerocephalus Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3222 Riverside Near Indio. Comment
  POM308641  Acamptopappus sphaerocephalus var. sphaerocephalus Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3208 Riverside Near Blythe. Comment
  RSA416167  Acamptopappus sphaerocephalus var. sphaerocephalus Robert Gustafson 1980-5-5 1575 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  SD73604  Acamptopappus sphaerocephalus var. sphaerocephalus Helen V. Witham 1970-4-29 835 Riverside Hwy 74, about 20 miles east of Lake Hemet. 1299 Comment
  SBBG71269  Acer glabrum R. Hoffmann 1929-9-6 Riverside near Tahquitz Peak 2590 Comment
  CAS-BOT-BC330625  Acer glabrum var. diffusum H. M. Hall 1901-7-1 2602 Riverside San Jacinto Mountains. Tamarack Valley 2286 Comment
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Jul 23 2018
  UCR3848  Acer negundo Frank C. Vasek 1964-7-26 640726- 01 Riverside San Jacinto Mtns., 2 mi. north of Kenworthy Ranger Station Comment
  POM188068  Achillea millefolium L. Crutcher 1933-7-6 19 Riverside Camp Tahquitz, San Jacinto Mts. Comment
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Sep 27 2009
  SBBG34672  Achnatherum hymenoides T. L. Secrest 1950-3-13 Riverside near Salton Sea Comment
  RSA479851  Achyronychia cooperi L. F. La Pre 1988-4-1 s.n. Riverside Colorado Desert, Palo Verde Mesa, W of Blythe. South of Hwy 1-10 at the W end of 16th St. (approx sec. 4) 99 Comment
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Dec 14 2007
  RSA776378  Achyronychia cooperi Amber Swanson 2011-4-8 377 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  UCD84935  Achyronychia cooperi Chuck Hughes 2010-3-23 207 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  UCR132854  Achyronychia cooperi Kent Beaman 1983-4-9 08 Riverside Sonoran (Colorado) Desert, mouth of Box Canyon along the road, Mecca Mud Hills, south of Indio 61 Comment
  LA48109  Acmispon heermannii Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove Comment
  RSA0071983  Acmispon heermannii var. heermannii J. M. Andre 2012-6-15 30522 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. 1308 Comment
  UCR268300  Acmispon heermannii var. heermannii Jim Andre 2012-6-15 30522 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  UCR245229  Acmispon strigosus Jim Andre 2012-3-19 21317 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  HSC24974  Adenophyllum porophylloides Richard Spjut 1972-2-1 2167 Riverside Colorado Desert; N face of the Chuckawalla Mountains 305 Comment
  RSA676151  Adenophyllum porophylloides Scott D. White 2001-4-3 8263 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA775668  Adenophyllum porophylloides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 804 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  SBBG87812  Adenophyllum porophylloides A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6140 Riverside N foot of the Chuckwalla Mtns, 2.75 mi airline SE of Desert Center 365 Comment
  UCD112621  Adenostoma fasciculatum Geoffrey Levin 1975-5-9 497 Riverside Dripping Springs Forest Service Station, Cleveland National Forest. 487 Comment
  RSA711993  Agave A. C. Sanders 1984-8-6 5166 Riverside UCR Botanical Garden. 335 Comment
  OBI6574  Agave deserti H. E. McMinn 1935-10-27 4047 Riverside E of Ribbonwood Palms to Pines Hwy Comment
  UC489012  Agnorhiza ovata C. V. Meyer 1929-6-18 783 Riverside Hemet Valley San Jacinto Mts. 1341 Comment
  UCR80813  Agoseris grandiflora Scott D. White 1993-5-29 1468 Riverside San Bernardino Mtns., Big Oaks Canyon, Yucaipa Ridge 1835 Comment
  POM12045  Agoseris retrorsa Mary F. Spencer 1921-6-2 1212 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  SD28105  Agrostis idahoensis Carl B. Wolf 1932-8-5 3963 Riverside San Jacinto Mountains, first real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak. Head of fork of Tahquitz Creek. 2743 Comment
  SEINET1908637 Image available Agrostis pallens A. C. Sanders, Mitch Provance 2008-1 35792 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station (Idyllwild 7.5' Q.) 1450 Comment
  UCD53294  Agrostis scabra August L. Hormay 1932-8-8 s.n. Riverside Tahquitz Valley. Comment
Read comments
Aug 13 2006
  UCR265592  Agrostis scabra Jordan Zylstra 2014-7-6 14019 Riverside San Jacinto Mountains, Fobes Canyon 1524 Comment
  UCSB37488  Alhagi maurorum Clark, Dell 1969-7-2 Riverside 2 miles west of Mecca, Coachella Valley Comment
  RSA480258  Alhagi maurorum D. O. Clark 1969-7-2 s.n Riverside 2 miles W of Mecca, Coachella Valley. Comment
  RSA469418  Aliciella latifolia Robert Gustafson 1980-4-3 1520 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  UCR166863  Allionia incarnata 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
  POM13074  Allium burlewii E. C. Jaeger s.n. Riverside San Jacinto Mountains. Comment
  POM264307  Allium haematochiton J. C. Roos 1937-3-10 634 Riverside Norco hills. Comment
  SBBG47498  Allium haematochiton M. B. Dunkle 1935-3-10 4360 Riverside Glen Ivy 304 Comment
Read comments
Apr 10 2016
  UCR1627  Allium haematochiton Leland R. Dykes 1962-5-8 96 Riverside Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Road, c. 7 mi west of Palomar Road [=Washington Ave.] in Murrieta Comment
  UCR37470  Allium haematochiton Steve Boyd 1981-4-6 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mtn. summit 823 Comment
  RSA0048295  Allium peninsulare var. peninsulare A. L. Haines 1951-5-19 5142 Riverside Bautista Wash, San Jacinto Mts. 609 Comment
  CAS-BOT-BC475412  Allium praecox Mrs. Wilder 1905-4-1 s.n. Riverside Riverside, Calif. Comment
  RSA85583  Allium praecox J. C. Roos 1952-4-2 5468 Riverside Box Springs grade east of Riverside. 427 Comment
  LA210330  Allophyllum glutinosum Harlan Lewis; Elizabeth McClintock 1941-6-29 Riverside Gavilan Hills-Gavilan Plateau, Santa Rosa Rd Canyon 5 mi from Pines to Palms Highway Comment
  RSA773667  Allophyllum violaceum Duncan S. Bell, J. D. England 2010-5-20 1030 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
  SD80158  Alnus rhombifolia Nancy Ryan Zabriskie, Walter Zabriskie 1971-2-13 339 Riverside East slope San Jacinto Mountains, Andreas Canyon, north bank 100 yards upstream from crossing below Clubhouse 305 Comment
  JOTR32461  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2606 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  RSA487826  Amaranthus albus A. C. Sanders 1988-11-6 8741 Riverside Coachella Valley, W side of Hwy 86, 6.25 mi. S of it s junction with hwy 111 in Coachella and 3.85 mi. n of Valerie Jean, 0.55 mi. N of ave 60. -11 Comment
  UC2015571  Amaranthus albus Scott D. White 1995-6-30 3438 Riverside Murrieta area, W Riverside Co. (Santa Ana Mtn. foothills) Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence. Comment
  UCR78632  Amaranthus blitoides Scott D. White 1992-9-11 s.n. Riverside Vicinity of Gilman Hot Springs, north side of San Jacinto River & a thin strip trending north of the river & west of the Hot Springs 459 Comment
  JEPS54297  Amaranthus californicus W. L. Jepson 1914-5-23 6055 Riverside Coachella Valley 60 Comment
  POM265637  Amaranthus californicus J. C. Roos 1937-8-19 2020 Riverside Hemet Valley, just above Hemet Lake, San Jacinto Mountains. Comment
  RSA661035  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23080 Riverside McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  CAS-BOT-BC540846  Amaranthus fimbriatus Sarah J. De Groot; Duncan S. Bell 2015-9-21 7579 Riverside Santa Rosa Mountains SSW of Palm Desert. Hillside along Dunn Rd, between Asbestos Mountain and Haystack Mountain, ENE of Potrero Spring 1220 Comment
  UCR269224  Amaranthus powellii T. B. Salvato, Arlee Montalvo 2015-8-22 8238 Riverside San Jacinto Mountains, Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74 1418 Comment
  UCR113874  Amaranthus retroflexus Mitch Provance, A. C. Sanders 2000-7-4 2086 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA32428  Ambrosia acanthicarpa N. C. Cooper 1943-9-10 916 Riverside Banning. 610 Comment
  UCR100211  Ambrosia acanthicarpa Scott D. White 1996-12-26 4640 Riverside Perris Basin, Perris area 442 Comment
  UCR3416  Ambrosia acanthicarpa Heidi A. Haid 1964-5-19 64519- 1 Riverside east end of Blaine St. at Box Springs Mtn. 428 Comment
  JOTR31948  Ambrosia dumosa La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2186 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  UCR89871  Ambrosia dumosa George K. Helmkamp 1994-3-8 41 2 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  CAS-BOT-BC273033  Ambrosia salsola 1939-3-30 3346 Riverside Between Mecca and Blythe on old highway Comment
  CAS-BOT-BC273036  Ambrosia salsola Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  SEINET6734852 Image available Ambrosia salsola H. M. Hall 1905-1 5983 Riverside Colorado Desert, Chuckawalla Springs, lower Sonoran zone Comment
  JEPS121565  Ambrosia salsola var. salsola Adam C. Schneider with Will Freyman 2014-2-16 416 Riverside West side of Highway 177. Comment
  UCSB18239  Ambrosia salsola var. salsola Easley, Bill 1964-5-10 Riverside Roadside, State Highway 71, 4.9 miles N from Pinyon Flats Campground 944 Comment
  UCR135713  Amorpha californica Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9016 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  UC489201  Amorpha californica var. californica C. V. Meyer 1928-7-27 Riverside Tahquitz Valley San Jacinto Mts. 2286 Comment
  CAS-BOT-BC177260  Amorpha fruticosa Philip A. Munz 1937-5-30 15111 Riverside Dos [Palmos] Palmas Spring, north end of Santa Rosa Mts. 1097 Comment
  SJSU4445  Amorpha fruticosa R. L. MacDonald 1962-4-17 Riverside Palm Canyon, E slope San Jacinto Mtn near Palm Springs Comment
  RSA613407  Amsinckia intermedia D. L. Banks 1997-4-5 1684 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  UC494722  Amsinckia intermedia Philip A. Munz 1932-3-24 12025 Riverside n of Elsinore 304 Comment
  UCR172615  Amsinckia intermedia A. C. Sanders, John F. Green 2006-5-18 32371 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  CSUSB1577  Amsinckia menziesii R. Pirot 1975-5-10 S. N. Riverside Juniper Flats road and Highway 74, Homeland 542 Comment
  UCR127547  Amsinckia menziesii A. C. Sanders, T. B. Salvato 2003-5-21 26802 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  RSA680631  Amsinckia menziesii var. menziesii Scott D. White 2001-3-27 8173 Riverside Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  UCR252643  Amsinckia retrorsa T. B. Salvato, John Lovio 2013-3-19 7373 Riverside Perris-Aguanga Basin, Paloma Valley, vacant lot at northeast corner of intersection of Scott Road and Menifee Road 455 Comment
  SEINET12491770  Amsinckia spectabilis H. M. Hall 1897-3-20 s.n. Riverside Gavilan [Hills]. Comment
  UCR244876  Amsinckia tessellata var. tessellata Jim Andre 2012-3-19 21398 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  SEINET3088586 Image available Anagallis arvensis Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. Comment
  SD68968  Anagallis minima Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37576 Riverside Santa Rosa Plateau: marsh on Mesa de Colorado, Rancho California 671 Comment
  RSA800109  Androstephium breviflorum Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4764 Riverside East side of the Arica Mountains; west side of Rice Valley, approximately 6 air miles southeast of the ghost town of Rice or approximately 5 air miles southeast of Priests Well. 198 Comment
  RSA502591  Anemopsis californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3727 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 457 Comment
  RSA388498  Antirrhinum coulterianum Steve D. Boyd 1986-5-1 1819 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  UCR1000  Antirrhinum coulterianum J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  UCR133666  Antirrhinum kelloggii Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR174602  Antirrhinum kelloggii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32621 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 591 Comment
  UCR79265  Antirrhinum kelloggii Steve Boyd, Orlando Mistretta 1992-4-22 7007 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  RSA689388  Antirrhinum nuttallianum Scott D. White 2003-6-9 9525 Riverside Perris Basin: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  SEINET6057800  Antirrhinum nuttallianum Parish, Greata 4746 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR108792  Antirrhinum nuttallianum Heidi A. Haid 1969-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA543158  Antirrhinum nuttallianum subsp. nuttallianum Steve D. Boyd, Tim S. Ross, Mike Hammit 1991-5-2 6088 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA586114  Apiastrum angustifolium D. L. Banks, S. D. Boyd 1995-4-5 154 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail. 503 Comment
  UCR230217  Apiastrum angustifolium A. C. Sanders 2011-4-6 38981 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
  UC1971233  Apocynum cannabinum Scott D. White 1998-7-31 6934 Riverside IDYLLWILD AREA: Strawberry Creek between crossing at Circle Dr. and Humber Park. USGS 7.5' San Jacinto Peak quad. 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
  UCR202616  Arabis johnstonii Scott D. White, Justin M. Wood 2008-6-17 12191 C Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  UCR92754  Arceuthobium campylopodum George K. Helmkamp, E. A. Helmkamp 1995-11-16 5- 01 Riverside San Jacinto Mtns, W end of Garner Valley, 0.5 mi east of Calif. 74 on Apple Canyon Rd. (just NE of Lake Hemet) 1341 Comment
  RSA629135  Arctostaphylos Jon E. Keeley 1992-7-16 16571 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629170  Arctostaphylos Jon E. Keeley 1992-7-17 16796 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  RSA629481  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16837 Riverside Hwy 243, 30 km N of Idyllwild. 1630 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
  SD128324  Arctostaphylos glandulosa R. Mitchel Beauchamp 1971-5-15 2411 Riverside San Jacinto Mountains; Black Mt. campground. Open areas of forest. 2207 Comment
  CAS-BOT-BC23121  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-5-30 6610 Riverside Santiago Peak, Santa ana Mts. Comment
  SJSU11151  Arctostaphylos glandulosa subsp. glandulosa J. W. Tofflemire 1957-4-18 Riverside by Bautista Canyon Rd 5.5 mi SE of Hemet 1219 Comment
Read comments
May 29 2013
  RSA631777  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19270 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631798  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19571 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631805  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21812 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  SD28097  Arctostaphylos glauca Carl B. Wolf 1932-5-25 Riverside SW of Beaumont in Bad Lands, 0.5 mi. SW of summit of Moreno Grade 609 Comment
  SEINET3101882  Arctostaphylos glauca Marc A. Baker, with Michelle Cloud-Hughes 2011-6-10 17355 Riverside along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain Comment
  UC876404  Arctostaphylos glauca F. R. Fosberg 1939-3-9 S 1532 Riverside small steep side canyon Mission Canyon Comment
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Feb 17 2013
  UCSB9378  Arctostaphylos glauca Haller, John 1950-5-20 Riverside Base of San Jacinto Mtns., Hemet-Idyllwild Road, opposite Cranston Ranger Station 609 Comment
  RSA633521  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16712 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633528  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20150 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633533  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20151 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633539  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22664 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633649  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20153 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633712  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16655 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633767  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16633 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA635685  Arctostaphylos pringlei Jon E. Keeley 1992-7-16 16827 Riverside Idyllwild, saunders Mdw. Rd., E of Hwy 243, San Jacinto Mtns. 1610 Comment
  SEINET5539347  Arctostaphylos pringlei R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians, W 25d slope. 1524 Comment
  LA42426  Arctostaphylos pringlei subsp. drupacea O. A. Plunkett; 1926-5-16 sn Riverside San Jacinto Mountains 1523 Comment
  LA42429  Arctostaphylos pringlei subsp. drupacea Elizabeth McClintock; 1938-5-15 sn Riverside San Jacinto Mountains, Idyllwild Grade Comment
  POM15030  Arctostaphylos pringlei subsp. drupacea Mary F. Spencer 1922-7-2 1980 Riverside Tahquitz trail. Idyllwild. San Jacinto Mt. 1829 Comment
  POM367425  Arctostaphylos pringlei subsp. drupacea N. C. Cooper 1944-6-17 1393 Riverside San Jacinto Mtns. Pine Cove. 1677 Comment
  RSA635638  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16749 Riverside Rd. to Thomas Mtn. (5S15), 4.5 km south of Toolbox Springs, west of Garner Valley, San Jacinto Mountains. 1660 Comment
  CAS-BOT-BC46337  Arctostaphylos pungens John Thomas Howell 1960-3-24 35149 Riverside Keene Camp Summit, Pines to Palms Hwy. San Jacinto Mts. 1493 Comment
  UCR193568  Arctostaphylos pungens A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35612 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  RSA636004  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19551 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636028  Arctostaphylos rainbowensis Jon E. Keeley 1992-4-5 15061 Riverside Rainbow Canyon Rd., 2 km south of Pala Rd. 370 Comment
  RSA636033  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19541 Riverside Carancho Rd., W. of Temecula. 440 Comment
  SD148178  Arctostaphylos rainbowensis A. C. Sanders, Kent Beaman 2002-5-10 25056 Riverside Santa Rosa Plateau; hills west of the head of De Luz Creek, 0.4 mile south of Tenaja Road on west side of Calle Roble near Avenida Matorral. 671 Comment
  UCR18879  Arenaria douglasii John C. Roos 1952-5-26 5726 Riverside Reche Canyon 427 Comment
  RSA786536  Aristida adscensionis C. P. Cowan 1978-4-23 1225 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  UCD56396  Aristida adscensionis F. M. Reed 1920-3-25 4270 Riverside Colorado Desert, near Indian Wells. Comment
  CLARK-A1528-1263  Aristida californica John C. Roos 1946-9-14 3007 Riverside Dos Palmas Spring 1066 Comment
  UC126632  Aristida californica var. californica H. M. Hall 1905-5-1 5963 Riverside canyons along Colorado River; Colorado Desert Comment
  CAS-BOT-BC500348  Aristida purpurea var. nealleyi A. C. Sanders; Jim Malusa 2015-3-10 41372 Riverside Sonoran (Colorado) Desert: N end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mts Aerial Gunnery Range 610 Comment
  RSA544392  Aristida purpurea var. parishii Steve Boyd 1991-5-30 6320 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  UCR145970  Artemisia californica June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  CLARK-A1528-5447  Artemisia dracunculus John C. Roos 1948-10-16 Riverside Beaumont Comment
  RSA692227  Artemisia dracunculus Scott D. White 2003-10-9 9823 Riverside Pine Cove area. Dutch Flat. 1753 Comment
  POM244867  Artemisia tridentata E. C. Jaeger 1938-8-15 s.n. Riverside Cottonwood, south of Hemet 976 Comment
  SEINET10513656  Arundo donax David B. Dunn 1946-3-17 Dunn 2103 Riverside Collected at the lower end of the springs at pushawalla where the springs are Disappearing in the sand. Indio hills. Comment
  UCR4395  Asclepias albicans Frank C. Vasek 1960-3-24 600324- 17 Riverside Western Colorado Desert, Deep Canyon, Palm Desert [Palm Springs Museum's Deep Canyon Sanctuary] Comment
  RSA0104763  Asclepias californica D. L. Banks 1995-4-11 176 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 Dripping Springs Trail. 829 Comment
  UCR114204  Asclepias eriocarpa A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23643 Riverside Perris-Aguanga Basin Region, French Valley, dry flats and rolling hills at E end of French V. Airport, along gasline right of way 409 Comment
  SD181724  Asclepias fascicularis Scott D. White 2000-8-5 8098 Riverside San Jacinto Mountains: Near Mountain Center, unnamed ephemeral drainage. 1402 Comment
  RSA696508  Asclepias subulata J. R. Bruff 1927-10-8 1 -R Riverside Thousand Palms. Comment
  SBBG46422  Asclepias subulata C. H. Muller 1952-5-21 9514 Riverside mouth of Morongo Cyn Comment
  CDA2687  Asphodelus fistulosus A. C. Sanders, T. B. Salvato 2001-5-24 24371 Riverside Perris-Aguanga Basin; Temecula, Long Canyon area west of Del Rey Rd. along Avenida Buena Suerte. Comment
  CAS-BOT-BC65781  Aspidotis californica Munz; Harwood 1920-2-28 3236 Riverside 2 mi S.E. of Corona 274 Comment
  UC399493  Aspidotis californica S. B. Parish 1908-4-4 6891 Riverside hills near <Declez> ([W end of Jurupa Hills]) Comment
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Aug 14 2010
  POM10306  Aster hesperius Charlotte M. Wilder 1904-09 391 Riverside W Riverside Comment
  CAS-BOT-BC177729  Astragalus crotalariae Ynez Whilton Winblad 1937-2-18 s.n. Riverside 15 miles south of Mecca Comment
  POM122253  Astragalus crotalariae Marcus E. Jones 1926-4-3 s.n. Riverside Indian Spring [Wells] Comment
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Sep 16 2011
  RSA415452  Astragalus crotalariae Miss Hutchinson 1926-3-1 s.n. Riverside Colorado Desert. [county not specified] Comment
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Sep 7 2016
  POM145537  Astragalus didymocarpus J. B. Feudge 1927-4-12 1867 Riverside Lake Elsinore. Comment
  SEINET898798  Astragalus didymocarpus Carl B. Wolf 1935-1 6301 Riverside Gavilan Hills Region. 2 mi. SW. of Perris. 427 Comment
  POM98779  Astragalus didymocarpus var. dispermus M. French Gilman 1926-2-22 s.n Riverside Thousand Palms Canyon. Comment
  SBBG68216  Astragalus douglasii Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  RSA171359  Astragalus douglasii var. parishii J. D. Olmsted 1962-5-3 3516 Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  RSA517736  Astragalus douglasii var. parishii Donald G. Nelson 1936-5-21 380 Riverside Slopes just N of meadow in valley just E of Hurkey Creek Camp area, East of Lake Hemet, and N of Mt. Thomas. In San Jacinto Mtns. Comment
  HSC85262  Astragalus gambelianus Steve Boyd 1986-4-22 1754 Riverside Temescal Canyon: Benches of Indian wash just S of Hwy. 15 Comment
  CAS-BOT-BC186903  Astragalus insularis var. harwoodii Peter H. Raven 1958-2-16 11625 Riverside Just west of Blythe Air Field Comment
  CAS-BOT-BC186906  Astragalus insularis var. harwoodii J. C. Roos 1958-3-15 s.n. Riverside Chuckwalla Mtns., 3 miles SE of Desert Center Comment
  LA204981  Astragalus lentiginosus var. coachellae Carl Epling; 1937-3-27 sn Riverside Thousand Palms Comment
  UCR6004  Astragalus lentiginosus var. coachellae Barry A. Vittor 1966-3-18 s.n. Riverside Western Colorado Desert, [Coachella Valley], just east of Varner Road [between Flat Top Mtn. and Edom Hill, based on el. given] 152 Comment
  UCD105016  Astragalus lentiginosus var. variabilis P. C. Everett; E. K. Balls 1958-4-29 23026 Riverside 5.4 mi. ne. along road to Rice and Vidal Jct. from Desert Center. 259 Comment
  CAS-BOT-BC192760  Astragalus palmeri Ynez Whilton Winblad 1937-4-23 s.n. Riverside Box Canyon Comment
  RSA0025522  Astragalus palmeri John F. Emmel 1986-4-12 997 Riverside Little San Bernardino Mtns: upper Berdoo Canyon. Locality also includes Quarter S 1/2. Section 31, Township 3S, Range 9E. 1372 Comment
  RSA108534  Astragalus pomonensis P. H. Raven, Sidney R. Snow 1956-7-6 9656 Riverside 0.3 miles from U.S. Hwy 60 on State Hwy 79 on route to Gilman Hot Springs, San Jacinto Mtns. Comment
  UC863012  Astragalus pomonensis C. B. Clokey, I. W. Clokey and B. C. Templeton 1930-4-15 4634 Riverside Perres-Gavilan Peak 600 Comment
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Jul 5 2010
  POM13917  Astragalus sabulonum P. A. Munz 1922-4-8 4739 Riverside Mecca, Colorado desert. -30 Comment
  SBBG3248  Astragalus sabulonum H. and M. Dearing 1938-3-5 1977 Riverside between Blythe and Desert Center Comment
  SBBG56270  Athyrium filix-femina var. cyclosorum M. Lewis 1947-8-26 17 Riverside Dark Cyn 1981 Comment
  RSA0120242  Athysanus pusillus Duncan S. Bell 2016-4-14 9275 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  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
  RSA550010  Atrichoseris platyphylla Walter Wisura, John Dolan, C. Demme 1992-4-13 4687 Riverside Lower Desert: Wileys Well Road, 10.5 miles S of prison Comment
  RSA452696  Atriplex argentea N. C. Cooper 1943-10-9 955 Riverside Hemet. 305 Comment
  RSA554627  Atriplex canescens Scott D. White 1992-9-2 769 Riverside Vicinity of Gilman Hot Spirngs, N side of San Jacinto River, and a thin strip tending N of the river & W of the Hot Springs. 451 Comment
  SD154848  Atriplex canescens E. K. Balls, P. C. Everett 1957-11-6 22790 Riverside 0.5 miles north of the junction of Hwy 79 & the road to Coahuila, in sun on open sandy hills 655 Comment
  JEPS59594  Atriplex canescens subsp. linearis Marjorie D. Clary 1932-10-2 1681 Riverside Point Happy 6 mi w Indio (along edges Whitewater Wash, Colorado Desert); Colorado Desert, Point Happy, w of Indio 30 Comment
  RSA0089541  Atriplex coronata var. notatior D. E. Bramlet, Melissa Riedel-Lehrke 2006-5-31 4014 Riverside Perris Basin: West Hemet area, MWD canal right-of-way, south of Florida Ave. 456 Comment
  UC1392858  Atriplex coronata var. notatior R. F. Hoover 1968-6-6 11154 Riverside 1 mi e Perris; e of Perris Comment
  UC1765895  Atriplex coronata var. notatior Marc Baker, Robert Johnson 1990-5-20 7851 Riverside Flood plain SE of Bernasconi Hills. 432 Comment
  UCR14449  Atriplex coronata var. notatior O. F. Clarke, Jeanine Derby 1974-6-19 s.n. Riverside Perris-Aguanga Basin Region, [San Jacinto River] south of Ramona Expressway, 1/2 mile NW of Lakeview 432 Comment
  UCR189561  Atriplex coronata var. notatior Theresa Johnson 2007-5-9 341 Riverside Peninsular Range, San Jacinto Wildlife Area; c. 500 m west of Davis Road, southwest of riparian area Comment
  UCR266414  Atriplex coronata var. notatior D. E. Bramlet, M. Riedel-Lehrke 2006-6-12 4019 Riverside Perris Basin, junk yard east of MWD canal and south of Stetson Ave. 456 Comment
  CDA23270  Atriplex glauca R. E. Riefner Jr. 2002-12-12 02 -521 Riverside Corona; SW side of I-15, along Magnolia Ave. on-ramp. Comment
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Dec 13 2012
  CAS-BOT-BC170255  Atriplex hymenelytra W. F. Anderson 1925-12-1 s.n. Riverside Indio Comment
  POM122734  Atriplex hymenelytra Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sink near Oasis. Comment
  POM182561  Atriplex lentiformis J. B. Feudge 1930-9-25 2064 Riverside Blythe Comment
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Nov 8 2011
  UC7109  Atriplex parishii H. M. Hall 1901-6-18 2146 Riverside along the borders Colorado Desert (Vandeventers', San Jacinto Mountains); San Jacinto Mountains, e base, along borders Colorado Desert Comment
  UCR132656  Atriplex parishii D. E. Bramlet 1993-7-9 2360 A Riverside San Jacinto Valley, 6.9 km southwest of Hemet, at the end of California Ave and 0.85 km north of Stetson, 150-500 m east of California and 335 m west of the MWD canal 457 Comment
  UCR94949  Atriplex semibaccata Scott D. White 1996-9-22 4542 Riverside Perris Basin, Perris: Nuevo Road near intersection with Wilson Ave., west of the San Jacinto River crossing. 436 Comment
  RSA0038512  Atriplex suberecta R. E. Riefner Jr. 2012-3-31 12 -64 Riverside city of Hemet, north of Florida Avenue and south of West Devonshire Avenue and east of Meyers Street 462 Comment
  UCR100030  Avena fatua A. C. Sanders, G. Helmkamp 1997-3-15 19977 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  JOTR31823  Ayenia compacta La Doux, Tasha, Bill Truesdell 2007-11-9 2527 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  JOTR33815  Baccharis brachyphylla La Doux, Tasha, B. Truesdell 2007-11-9 3330 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along park south boundary (STOP 6) 655 Comment
  RSA0094418  Baccharis brachyphylla Duncan S. Bell, Sarah DeGroot, Mark Porter 2015-10-19 8717 Riverside Whitewater Canyon, along the Pacific Crest Trail, approximately 0.75 air mile northeast of Red Dome. 885 Comment
  UCR82840  Baccharis brachyphylla A. C. Sanders, P. J. MacKay 1994-10-23 15849 Riverside San Bernardino Mtns/Colorado Desert, Whitewater River Canyon, between the trout hatchery and Bonnie Bell 671 Comment
  RSA736300  Baccharis pilularis Scott D. White, Justin M. Wood 2007-10-3 11761 Riverside Site of proposed 'Liberty Quarry'. Mountains between Temecula Valley and Rainbow Valley just W of Interstate 15. N of the San Diego County Line. 335 Comment
  UC1523627  Baccharis pilularis Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61282 Riverside near and a few mi s of Murrieta Murrieta-Guava Sts; De Luz 396 Comment
  UCR199915  Baccharis pilularis Scott D. White, Justin Wood 2007-10-3 11761 Riverside Southern Santa Ana Mountains, Site of proposed 'Liberty Quarry'. Mountains between Temecula Valley and Rainbow Valley just W of Interstate 15. N of the San Diego County Line 579 Comment
  CAS-BOT-BC106741  Baccharis salicifolia S. B. Parish 1912-6-27 8127 Riverside Alkaline flats at Mecca Comment
  RSA25156  Baccharis salicifolia C. L. Hitchcock 1940-4-12 6408 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA346264  Baccharis salicifolia R. F. Thorne 1980-4-16 54042 Riverside San Bernardino Mts: White Water River, S of bridge, just W of Whitewater 396 Comment
  POM96063  Baccharis salicifolia Philip A. Munz 1925-12-31 10821 Riverside Thousand Palms Comment
  CAS-BOT-BC106670  Baccharis salicina John Thomas Howell 1952-10-25 28873 Riverside Along highway about 3.5 miles from Glen Ivy Hot Sprins on road to Alberhill Comment
  UC64843  Baccharis salicina E. A. Zumbro 1904-1-1 415 Riverside Cold Water Basin Santa Ana Mts., Cold Water Basin Comment
  UCR90974  Baccharis salicina Scott D. White 1996-2-18 3804 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  SD60246  Baccharis sarothroides Carl B. Wolf 1932-10-12 4297 Riverside Pinyon Well, Little San Bernardino Mountains 1220 Comment
  POM350457  Baccharis sergiloides George B. Grant 1906-05 6749 Riverside Colorado Desert, Desert Canyon Comment
  RSA496379  Baccharis sergiloides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3056 Riverside Vail Lake area, 0.75 miles N of dam, at edge of dissected bench, S flank Oak Mountain 518 Comment
  SD229070  Baccharis sergiloides Dick Schwenkmeyer 2012-5-22 731 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UC496518  Baccharis sergiloides P. A. Munz 1932-10-16 12843 Riverside along road to Deep Canyon to Vandeventer Flat Santa Rosa Mts. 1066 Comment
  UCR20318  Baccharis sergiloides John C. Roos 1949-9-17 4660 Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Palm oasis in a side canyon on the E side of Whitewater Wash 612 Comment
  SD224826  Bahia absinthifolia Daryl Koutnik 1996-7-19 Riverside Riverside: Univ. of CA, Riverside, UCR Botanical Garden. 853 Comment
  LA204018  Bahiopsis parishii H. Lewis; 1952-4-5 sn Riverside Road to 29 Palms 1 mi. S of road to Desert Hot Springs Comment
  CAS-BOT-BC99960  Baileya pauciradiata L. R. Abrams 1926-3-26 11087 Riverside Indian Wells to Indio Comment
  JOTR37508  Baileya pauciradiata Hodges, Stephen R. 2016-3-1 634 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  UC1979854  Baileya pauciradiata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-5 963 Riverside Mojave Desert; East Mojave Desert region: Blythe-Rice Road, East / Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. Comment
  RSA220995  Barbarea orthoceras E. W. Lathrop 1966-3-30 6125 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat l Forest 1220 Comment
  OBI16935  Bebbia juncea H. E. McMinn 1935-6-27 4066 Riverside Palms to Pines Highway Comment
  POM350779  Bebbia juncea D. A. Young 1969-4-18 p 425 Riverside 3 mi SE of hwy 74 (approx 8 mi S of Palm Desert) near the fence of the Univ. of Riverside Deep Canyon Research Station. 366 Comment
  RSA189408  Bebbia juncea L. S. Rose 1966-12-14 66111 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  SBBG60786  Bebbia juncea Anstruther Davidson 1895-1 Riverside Palm Springs 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
  SD144058  Bebbia juncea var. aspera Scott White 1993-4-22 1225 Riverside North Alberhill Ranch, in hills N of Walker Canyon. 490 Comment
  CLARK-A1528-315  Berberis dictyota Margaret, Lee Dean 1965-4-5 Riverside Bernasconi Hills 487 Comment
  CAS-BOT-BC207048  Bernardia incana Annie M. Alexander 1941-5-10 2144 Riverside 3 mi NE Cottonwood Spring, Eagle Mts. 1036 Comment
  SEINET6062232  Bernardia myricifolia Unknown Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR109733  Berula erecta R. E. Orth 1963-3-8 s.n. Riverside Riverside, Santa Ana River 213 Comment
  RSA549248  Bidens laevis A. C. Sanders 1991-10-5 11739 Riverside Riverside, Fairmount Park. Along Spring Brook between Lake Evans and the Santa Ana River, ca. 50-100 m below the lake. 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
  CAS-BOT-BC478939  Bloomeria crocea var. crocea E. A. McGregor 1941-6-12 27 Riverside Santa Rosa Mountain Comment
  UC1563102  Boechera californica Steve Boyd, Tim Ross, and Laurel Arnseth 1989-5-7 3568 Riverside along Arroyo Seco drainage from jct with Kolb Creek, s to within 0.25 mi of Hwy 79 Vail Lake Area 457 Comment
  UC1463880  Boechera johnstonii Jeanine Derby 1977-2-1 Riverside e end Quinn Flats; San Jacinto Mts., Garner Valley Comment
  LA204233  Boechera xylopoda Flora Murray Scott; April 1928 sn Riverside Whitewater 1828 Comment
  RSA630342  Boerhavia coccinea Scott D. White 1996-9-22 4525 Riverside South Fork San Jacinto Riv: Hwy 74, ca 1-3 road miles E of USFS Cranston Fire Station 610 Comment
  UCR19108  Boerhavia coccinea John C. Roos 1948-5-15 3858 Riverside Sonoran (Colorado) Desert, S foot of the Eagle Mtns, mouth of Lost Palms Wash Comment
  UCR278875  Boerhavia coccinea Mitch Provance 2012-7-17 712- 15 Riverside San Gorgonio Pass, City of Banning, along E. Lincoln St., vicinity of the Banning Substation, between Hargrave St. and San Gorgonio Ave. 698 Comment
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Nov 8 2020
  VVC2319  Boerhavia coulteri Tim Thomas, Alice Karl 2011-10-18 5527 Riverside Sonoran Desert, Hayfield Lake 4 miles east of Chiriaco Summit; just north of Hwy 10. In northwest portion of lake bed. 437 Comment
  CAS-BOT-BC434547  Boerhavia spicata Philip A. Munz 1946-10-20 11578 Riverside Palms to Pines Highway, at north base of Santa Rosa Mts. 1036 Comment
  JOTR30751  Boerhavia triquetra La Doux, Tasha, Jim Andre 2007-9-6 134 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  UCR26230  Boerhavia triquetra John C. Roos 1946-11-29 3178 Riverside Sonoran (Colorado) Desert, S foot of Eagle Mtns [near Lost Palms Canyon?] Comment
  UCR85636  Bolboschoenus glaucus A. C. Sanders 1993-4-5 13700 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  CAS-BOT-BC31025  Bolboschoenus maritimus Samuel B. Parish 1912-7-3 8070 Riverside Near Durmid, Salton Sea, Colorado disct. Comment
  UCR109747  Bolboschoenus maritimus subsp. paludosus T. W. Fisher 1964-7-21 s.n. Riverside Peninsular Range, Temecula area, Arroyo Seco Creek at Vail Lake 457 Comment
  CLARK-A1528-1266  Bothriochloa barbinodis E. W. Lathrop 1965-4-26 Riverside Comment
  SEINET13310638  Bouteloua aristidoides A. C. Sanders 2015-9-11 41861 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 Gunnery Range. 480 Comment
  RSA792555  Bouteloua barbata Duncan S. Bell 2012-9-13 4182 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
  UCD56850  Bouteloua barbata Louis B. Ziegler 1967-10-10 s.n. Riverside San Jacinto Mts. Hemet Valley. 1402 Comment
  SEINET10835065  Bouteloua barbata David B. Dunn 1946-3-15 Dunn 2027 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills, sparse Desert scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  UCSB22539  Bouteloua curtipendula Breedlove, Dennis 1961-9-11 Riverside Pinyon Flats Campground along CA Hwy 74; Santa Rosa Mtns 1249 Comment
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Mar 29 2014
  HSC85436  Bowlesia incana Steve Boyd 1986-4-2 1597 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA77415  Brandegea bigelovii F. W. Peirson 1927-4-12 7166 Riverside In Painted Canyon near Mecca. Comment
  UCR249655  Brandegea bigelovii T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7311 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
  RSA0063035  Brassica rapa Andrew Haimov, April Sleigh 1992-5-2 78 Riverside 50 meters west of Davis Road, 2 miles north Ramona Expressway, San Jacinto Wildlife Area. Comment
  RSA674917  Brassica rapa Scott D. White 2000-5-1 7739 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  CAS-BOT-BC126759  Brassica tournefortii A. C. Sanders 2010-3-15 37409 Riverside Sonoran (Colorado) Desert: pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  CAS-BOT-BC36842  Brassica tournefortii J. Beley 1974-2-20 0391 Riverside Snow Creek Road near Palm Springs Depot. Comment
  JOTR32168  Brassica tournefortii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2320 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7) 902 Comment
  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
  RSA770308  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4495 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64307 487 Comment
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Mar 7 2013
  RSA777676  Brassica tournefortii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 984 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  SD187378  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-5 9977 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR156356  Brassica tournefortii T. B. Salvato, Kent Beaman 2005-5-16 867 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR248325  Brassica tournefortii Duncan S. Bell 2010-4-1 669 Riverside Sonoran (Colorado) Desert, Arica Mountains; west side of Rice Valley, c. 1.2 air miles east of AT & SF railway line, c. 4.2 air miles east of Priest Well and c. 4.3 air mi. SE of the ghost town of Rice 208 Comment
  LA203067  Brickellia atractyloides var. arguta Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  RSA770437  Brickellia atractyloides var. arguta Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4569 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  JOTR30932  Brickellia californica La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1413 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  RSA725435  Brickellia californica var. californica Michael Wall 2007-10-19 440 Riverside San Jacinto Valley, Bautista Creek drainage, on flats above Bautista Creek, ca. 6.5 miles miles SE of jct. with Fairview Ave. 753 Comment
  POM256979  Brickellia desertorum C. B. Wolf 1931-10-14 1330 Riverside Snow Creek 1/2 mi. below the Fish Hatchery N base of San Jacinto Mountains. 549 Comment
  UCR9106  Brickellia desertorum O. F. Clarke 1969-10-8 s.n. Riverside San Bernardino Valley Region, Riverside, UCR campus, south side of campus Comment
  RSA180311  Brodiaea terrestris subsp. kernensis E. W. Lathrop 1960-6-7 4857 Riverside 14 miles W of Murrieta Comment
  CAS-BOT-BC149330  Bromus arizonicus John Thomas Howell 1956-3-20 31119 Riverside 8th Street, Riverside. Comment
  SEINET3921441  Bromus arizonicus N. D. Atwood 1993-3-29 17735 Riverside Huntington Beach along Beach Blvd. ca. 1/2 mi. N of beach.; 0 Comment
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Jul 20 2015
  CAS-BOT-BC149442  Bromus berteroanus John Roos; Lucille Roos 1953-3-21 5909 Riverside Mouth of Andreas Canyon south of Palm Springs. 274 Comment
  POM47171  Bromus berteroanus Mary F. Spencer 1920-4-2 1540 Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA659619  Bromus catharticus Brian McColgan 1937-11-13 s.n. Riverside Riverside. 244 Comment
  RSA754136  Bromus ciliatus var. ciliatus W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-9-4 19 Riverside San Jacinto and Santa Rosa Mts.: Idyllwild: Along road. Comment
  RSA586336  Bromus diandrus D. L. Banks, Steve Boyd 1995-5-3 201 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR178343  Bromus diandrus Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1050 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA586131  Bromus diandrus D. L. Banks 1995-4-11 174 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 Dripping Springs Trail., 33 deg 26' 18''N-116 deg 58' 27''W. 950 Comment
  SEINET954734  Bromus hordeaceus A. C. Sanders, Tricia Wotipka, Mark A. Elvin 2003-1 26119 Riverside Western San Gariel Mtns.: Cataic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 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
  UCR102876  Bromus hordeaceus A. C. Sanders 1997-3-26 20133 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  RSA595259  Bromus hordeaceus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 962 -B Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, At the gate to the University of California-Emerson Oaks Reserve. 451 Comment
  JOTR34019  Bromus madritensis subsp. rubens La Doux, Tasha, M. Harding 2010-4-7 2906 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  SD146100  Bromus madritensis subsp. rubens B. Pitzer, J. Ross 1998-3-8 3595 Riverside 395 Comment
  UC1930083  Bromus madritensis subsp. rubens Scott D. White 2001-3-27 8172 Riverside BADLANDS: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/Theodore St. Adjacent to County Landfill. Comment
  CLARK-A1528-47  Bromus rubens Fred B. Essig 1964-2-20 Riverside La Sierra Comment
  LA13823  Bromus rubens F. M. Reed; 1907-6-16 1404 Riverside Upper South Fork of Arroyo Tahquitz [?] 396 Comment
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Jan 18 2014
  UCR165391  Bromus rubens A. C. Sanders 2005-4-21 29571 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR228917  Bromus tectorum A. C. Sanders 2011-4-6 39002 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  CLARK-A1528-4563  Bromus trinii John C. Roos, Lucille Roos 1952-5-24 5711 Riverside Moreno Valley 518 Comment
  RSA405293  Caesalpinia virgata Christopher Davidson 1979-4-4 7691 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA721458  Caesalpinia virgata Sarah J. De Groot, Tim Thibault, Valentin Arvizu, LeRoy Gross, Lisa Rojas 2004-5-14 4335 Riverside Chocolate Mountains: north of the mountains, just north of the Bradshaw Trail, south of Orocopia mountains. 168 Comment
  UCR161368  Caesalpinia virgata Mark A. Elvin 2005-4-26 4229 Riverside Northern Sonoran (Colorado) Desert, Coachella Valley/Indio Hills; [pipeline route, south of mouth of Fargo Canyon] N of I-10 198 Comment
  SEINET7347679  Caesalpinia virgata G. C. Wheeler, J. Wheeler 1969-4-11 s.n. Riverside Deep Canyon Desert Research Area Comment
  SEINET7048049  Calandrinia ciliata Steven R. Hill 2001-4-29 33523 Riverside South side of Route I-10 right-of-way, 0.2 mile west of Desert Lawn Road exit, Calimesa. Near Roberts Road in pasture. Elevation about 2314 feet. Comment
  RSA666511  Callisia repens A. C. Sanders 2001-11-20 24886 Riverside San Bernardino Valley region: Riverside, yard of house at 422 Campus View Dr. 341 Comment
  CAS-BOT-BC85766  Calocedrus decurrens George B. Grant 1901-1-1 691 Riverside San Jacinto Mountains, S. Cal. 914 Comment
  RSA572185  Calocedrus decurrens C. Epling 1931-10-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1524 Comment
  RSA6108  Calochortus concolor Carl B. Wolf 1932-5-24 3654 Riverside Snow Creek, north base San Jacinto Mountains. 1 mile above the Fish Hatchery. 793 Comment
  RSA369048  Calochortus invenustus Anstruther Davidson s.n. Riverside Mt. San Jacinto. 2134 Comment
  RSA501018  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3137 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA619567  Calochortus splendens Darin L. Banks 1997-5-5 2005 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  RSA659415  Calochortus splendens Marcy Keys 1981-5-16 64 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. 404 Comment
  UCR127556  Calochortus splendens A. C. Sanders, T. B. Salvato 2003-5-21 26796 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR174061  Calochortus splendens A. C. Sanders 2006-5-19 32458 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
  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
  UC135211  Calycoseris parryi S. B. and W. F. Parish Apr 1882 1214 Riverside Morongo Comment
  POM15169  Calycoseris wrightii Mary F. Spencer 1922-4-10 1955 Riverside Snow Creek prope [near] Palm Springs Comment
  RSA472424  Calycoseris wrightii Robert Gustafson 1980-4-3 1528 Riverside Orocopia Mountains, about 4 miles east of Mecca on Box Canyon road. 213 Comment
  SDSU20275  Calyptridium monandrum Adrienne D. Russell, Michael G. Simpson 2000-4-29 128 Riverside North Field Station, Santa Margarita Ecological Reserve, rocky slope between trailer and gorge on edge of lot, driveway. Comment
  UC667361  Calyptridium monandrum Annie M. Alexander and Louise Kellogg 1941-5-12 2157 Riverside 5.5 mi ne of Cottonwood Spring (Colorado Desert, Eagle Mountains); Colorado Desert, Eagle Mountains 868 Comment
  UC218257  Calyptridium parryi var. parryi P. A. Munz 1922-7-6 6004 Riverside Tahquitz Valley; San Jacinto Mountains, Tahquitz Valley 2194 Comment
  UCR158725  Calystegia macrostegia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30013 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
  RSA586129  Calystegia macrostegia subsp. arida D. L. Banks 1995-4-11 0172 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, E of the Dripping Springs Trail. 950 Comment
  UC465959  Calystegia macrostegia subsp. arida Mrs. Wilder 1903-5-30 38 Riverside Wilder's Comment
  UCR256757  Calystegia macrostegia subsp. arida T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7891 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
  UCR137361  Calystegia occidentalis subsp. fulcrata 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
  UCR57202  Calystegia sepium subsp. binghamiae Marlene Braun 1989-5-28 39 Riverside Hidden Valley Wildlife Refuge, entrance at the end of Mann Ave. in Mira Loma. Follow dirt trail 1/4 mi S to river bottom Comment
  CLARK-A1045-170  Camissonia bistorta George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  RSA593995  Camissonia bistorta D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0939 A 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
  SEINET7073412  Camissonia bistorta A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UCR167676  Camissonia bistorta T. B. Salvato, Melissa Clemons 2005-6-23 1293 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UCR117378  Camissonia boothii B. G. Pitzer 1998-2-1 3449 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  RSA465968  Camissonia boothii var. condensata M. B. Dunkle 1935-3-17 4405 Riverside Colorado Desert. 610 Comment
  RSA617857  Camissonia brevipes Walter Wisura 1998-3-28 5114 Riverside 3.1 mi W of Corn Spring S of I-10. Comment
  RSA115524  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-2-15 11568 Riverside Corn Springs, Chuckwalla Mountains. Comment
  RSA145191  Camissonia brevipes subsp. brevipes E. G. Linsley, J. W. MacSwain 1960-3-2 60 -8 Riverside Colorado Desert, 2 miles W of Desert Center. 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
  UCR104944  Camissonia californica A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20697 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
  UCR96880  Camissonia californica Scott D. White 1993-3-12 1183 Riverside Near Winchester 466 Comment
  JEPS31800  Camissonia campestris W. L. Jepson May 17 1901-Jun 1 1901 1251 Riverside San Jacinto Comment
  UCR156458  Camissonia campestris T. B. Salvato, A. C. Sanders 2005-5-17 886 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UC147303  Camissonia campestris subsp. campestris H. M. Hall April 1897 442 Riverside vicinity of Winchester 457 Comment
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Mar 20 2011
  RSA637570  Camissonia cardiophylla Philip A. Munz, Lillian T. Street 1919-5-7 2740 Riverside Tahquitz Canyon. 244 Comment
  RSA692196  Camissonia cardiophylla Scott D. White, Michael Honer 2003-5-14 9297 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  CAS-BOT-BC154113  Camissonia claviformis N. Aitkenhead 1977-2-1 s.n. Riverside ~2 mi. W. of junction of 1000 Palms Rd & T/L Comment
  RSA448971  Camissonia claviformis subsp. aurantiaca N. R. Zabriskie, Walter Zabriskie 1973-4-25 645 Riverside W-central portion Sec 30. Deep Canyon drainage, E side Hwy 74, opposite Black Hill, Santa Rosa Mtns. Site 22. 915 Comment
  RSA449180  Camissonia claviformis subsp. aurantiaca Robert Gustafson 1983-3-27 2485 Riverside Dry, rocky canyon just southwest of Lake Cahuilla. Comment
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May 21 2016
  RSA703370  Camissonia claviformis subsp. aurantiaca LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1441 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR196373  Camissonia claviformis subsp. claviformis Naomi Fraga, Lisa Rojas 2005-2-10 1352 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UC20483  Camissonia confusa H. M. Hall July, 1901 Riverside Fuller's Mill Mountains San Jacinto Mountains 1584 Comment
  UCR115340  Camissonia confusa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16254 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
  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
  RSA449226  Camissonia ignota N. C. Cooper 1949-6-29 4381 Riverside East side of San Jacinto Mountains. 457 Comment
  RSA597080  Camissonia intermedia D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1118 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, SW side of the Water Storage tank., 100 m N of the road junction between the main Preserve Road and the road to the Emerson Cottage. 457 Comment
  UCR97901  Camissonia intermedia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19853 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA698241  Camissonia pallida J. R. Bruff 1928-4-2 83 Riverside Whitewater. Comment
  RSA465910  Camissonia pallida subsp. hallii N. C. Cooper 1944-4-23 1157 Riverside Banning. 701 Comment
  RSA34606  Camissonia pallida subsp. pallida N. C. Cooper 1944-4-23 1157 Riverside Banning. 701 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
  UCR121230  Camissonia strigulosa Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2305 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  JEPS31569  Camissoniopsis bistorta W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1422 Riverside Van Deventer's Flat Santa Rosa Mts. Comment
  SBBG61448  Camissoniopsis bistorta R. Hoffmann 1929-9-11 Riverside San Jacinto Mtns 1645 Comment
  UC20636  Camissoniopsis ignota unknown 1861-2-1 151 Riverside Temescal Mountains Comment
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Jul 4 2010
  UCR178306  Camissoniopsis pallida T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 909 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  JEPS31743  Camissoniopsis pallida subsp. pallida S. B. Parish 1920-3-25 20022 Riverside flats at Palm Springs village Colorado Desert Comment
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Jul 13 2010
  RSA0123365  Camissoniopsis pallida subsp. pallida Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9039 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  CDA6876  Carduus pycnocephalus T. C. Fuller 1962-6-6 8847 Riverside National Orange Company property, east extension of Palmyrita Avenue, 2.5 miles east of Iowa Avenue, Highgrove. 0 Comment
  UC830200  Carex P. A. Munz 1922-7-7 6052 Riverside Round Valley San Jacinto Mts. 2712 Comment
  CAS-BOT-BC18449  Carex abrupta F. M. Reed 1908-7-11 s.n. Riverside East slope of San Jacinto Peak. 2926 Comment
  SEINET3898819  Carex barbarae Steve Boyd, Tim Ross 1990-5-11 4663 Riverside Vail Lake area, Arroyo Seco drainage, cyn bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland Nat. Forest.; 0 579 Comment
  RSA180427  Carex densa E. W. Lathrop 1959-4-26 4503 Riverside 14 miles W of Murrieta - Tenaja Plateau. Comment
  UCR208190  Carex praegracilis I. M. Johnston 1918-4-27 1860 Riverside Peninsular Range; Santa Ana Mtns. Region, Murrieta 305 Comment
  UCR29124  Carex praegracilis A. C. Sanders, S. D. Boyd 1980-5-19 1500 Riverside San Jacinto Mtns, Garner Valley. Meadow west of Kenworthy Ranger Station. 1375 Comment
  UCR24806  Carex sartwelliana George K. Helmkamp 1981-7-5 s.n. Riverside San Jacinto Mountains, spring alongside the Black Mountain Road, 6 mi from the Banning to Idyllwild Hwy (243) 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
  RSA249867  Carex subfusca Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38154 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 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
  RSA652586  Castilleja affinis C. J. Humphrey 1936-6-7 325 Riverside [No location information provided.] Comment
  POM12854  Castilleja applegatei subsp. martinii Philip A. Munz 1922-6-26 5834 Riverside Road to Santa Rosa. 1738 Comment
  RSA0010948  Castilleja applegatei subsp. martinii Robert F. Thorne, Walter Wisura 1977-9-17 50778 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCR100966  Castilleja densiflora 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
  RSA775227  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1097 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1382 Comment
  UCR25604  Castilleja exserta John C. Roos 1952-4-16 5558 Riverside Box Springs Mountains, Pigeon Pass 457 Comment
  SEINET7063419  Castilleja exserta subsp. exserta A. G. Vestal 1947-3-29 s.n. Riverside About 0.3 mile below the dam in Railroad Canyon east of Lake Elsinore. UTM Zone 11, 469824mE, 3727524mN. (WGS84/NAD83). 402 Comment
  POM10107  Castilleja foliolosa Charlotte M. Wilder 1904-4-27 s.n. Riverside Wilder's Canyon, Jurupa Hills. Comment
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Apr 2 2011
  POM4325  Castilleja foliolosa Jenkins, Street 1917-5-30 s.n. Riverside Idylwild Canyon. Comment
  SD137615  Castilleja foliolosa Darin L. Banks 1995-3-15 73 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn. area. 789 Comment
  SEINET3079690 Image available Castilleja foliolosa B. Pitzer 1986-4-26 181 Riverside San Bernardino Mtns.; Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  UCD122550  Castilleja foliolosa R. L. Smith 1948-3-25 s.n. Riverside 5 miles north of March Field. Comment
  UCR108395  Castilleja foliolosa D. L. Banks, V. W. Steinmann 1997-3-13 1464 Riverside NW Palomar Mtns, Agua Tibia Mtns: Vail Lake Area, N and south of Hwy 79. The hills east of Dripping Springs Alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 549 Comment
  LA209249  Castilleja miniata Elizabeth McClintock; 1939-8-20 sn Riverside San Jacinto Mountains, Round Valley Comment
  RSA0119990  Caulanthus hallii Duncan S. Bell, Thomas Stoughton 2016-4-13 9262 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UCR62325  Caulanthus hallii Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  UCR20735  Caulanthus heterophyllus A. C. Sanders, Steve Boyd 1980-5-2 1396 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR67361  Caulanthus heterophyllus Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3978 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  UCR59771  Caulanthus lasiophyllus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3044 Riverside Peninsular Range, Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain 622 Comment
  SD247618  Caulanthus simulans Ed Kentner, Onkar Singh 2014-4-4 366 Riverside Cleveland National Forest: near Main Divide Road approx. 2 km southeast of Ortega Highway. 843 Comment
  UCR35190  Caulanthus simulans L. B. Ziegler 1969-4-2 341 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  CLARK-A1528-792  Ceanothus crassifolius I. Rauch 1968-2-15 Riverside Santa Ana Mountains Comment
  RSA500063  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3246 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 426 Comment
  RSA569988  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7922 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. 792 Comment
  SBBG105071  Ceanothus crassifolius var. crassifolius S. Boyd with T. Ross 1993-3-23 Riverside Palomar Range S of Vail Lake, N base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Rd Comment
  RSA399037  Ceanothus cuneatus I. W. Clokey, E. G. Anderson 1935-4-16 6734 Riverside East of Hemet 820 Comment
  RSA741436  Ceanothus cuneatus Scott D. White, Justin M. Wood 2008-6-18 12251 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  RSA0019577  Ceanothus cuneatus var. cuneatus Bill Wagner 1988-3-2 s.n. Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  POM49159  Ceanothus leucodermis P. A. Munz 1924-5-18 8144 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  SBBG119994  Ceanothus leucodermis A. C. Sanders with M. Misenhelter 2005-3-23 29263 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 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
  UC218073  Ceanothus leucodermis P. A. Munz and I. M. Johnston 1922-5-19 5401 Riverside Mountain side at mouth of Strawberry Canyon San Jacinto Canyon 1127 Comment
  RSA0019585  Ceanothus leucodermis Toppenberg 1961-5-12 s.n. Riverside Hwy to Idyllwild, Beaumont side. Comment
  RSA0060582  Ceanothus leucodermis Bob Rogers 1984-5-5 31 Riverside Collected along a trail bordering the West side of Fuller Mill Creek heading upstream. Starting point was on the North side of hwy 243, 11.6 miles from hwy 74/hwy243 jctn. 1524 Comment
  POM254866  Ceanothus megacarpus W. Pequegnat 1940-6-18 s.n. Riverside Santa Ana Mts. Sierra Peak. Comment
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Jun 10 2012
  UCR92190  Ceanothus oliganthus subsp. oliganthus D. L. Banks, Steve Boyd 1995-3-16 0099 Riverside Peninsular Range, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, Arroyo Seco drainage. 549 Comment
  SJSU15170  Ceanothus ophiochilus Steve Boyd, Tim Ross & Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area 1 mi W of Lake 624 Comment
  UC1594221  Ceanothus ophiochilus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3097 Riverside 1 mi W of Vail Lake 609 Comment
  UC729815  Ceanothus palmeri Carl B. Wolf 1932-8-4 3920 Riverside Point View near Idyllwild; San Jacinto Mts., Point View near Idyllwild 1645 Comment
  UC1071223  Ceanothus papillosus A. Lewis Mar 1934 355 Riverside Sugarloaf Peak Cleveland National Forest, Corona Quad. Comment
  UC218105  Ceanothus perplexans P. A. Munz 1922-7-3 5959 Riverside S slopes of Santa Rosa Mountains 1676 Comment
  UCR30792  Ceanothus perplexans A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3866 Riverside San Jacinto Mtns., Mt. Edna Road, 0.2 mi west of Hwy 243, about 5 mi above Banning. 1067 Comment
  UCR60865  Ceanothus perplexans Steve Boyd, C. Boyd, K. A. Boyd 1989-4-15 3251 Riverside San Jacinto Mtns., Anza Valley, along Hwy 371, 0.5 mi south of the junction with Hwy 74 1463 Comment
  UCSB3903  Ceanothus perplexans Keator, Glenn 1959-5-17 Riverside Pinon flats near Colorado desert on Palms to Pines highway. Comment
  SEINET13946039 Image available Ceanothus perplexans Carl B. Wolf 1932-1 3655 Riverside No. Base of San Jacinto Mts. Snow Creek Canyon. 1 mi above Fish Hatchery. 792 Comment
  UC217954  Ceanothus tomentosus P. A. Munz 1922-4-30 5131 Riverside St. John's Grade, south of Hemet. Comment
  UC284195  Centaurea melitensis P. A. Munz 1923-6-18 7123 Riverside 3 mi n of Lake Elsinore 411 Comment
  UCD130056  Centaurea melitensis E. W. Lathrop 1966-3-23 6518 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peakm Skyline Drive. 1219 Comment
  SEINET10910151  Centaurium J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12851 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  UCR38703  Centaurium exaltatum J. M. Stewart 1985-5-20 8520 Riverside Sonoran (Colorado) Desert, Palm Canyon 244 Comment
  RSA356643  Centaurium venustum Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47297 Riverside Santa Rosa Plateau: Cleveland National Forest, along Tenaja Creek at Tenaja Guard Station. Comment
  UC1392826  Centromadia pungens subsp. laevis R. F. Hoover 1968-6-6 11150 Riverside 1 mi e Perris Comment
  SD178173  Cerastium glomeratum A. C. Sanders, G. Helmkamp & P. MacKay 1995-3-12 16035 Riverside Weed: Coachella Valley: Indio, just southwest of the Whitewater River Channel at Auto Center Dr. (Hwy 111). -7 Comment
  SD181616  Cerastium glomeratum Scott D. White, Tasha LaDoux 2000-4-20 7705 Riverside South of Hemet, 'Gibbel Flat', in the Santa Rosa Hills. Scarce in shaded places on north-facing boulders. 609 Comment
  RSA5170  Cercidium floridum C. B. Wolf 1932-4-26 2981 Riverside Colorado Desert, 8 miles East of Mecca on Blythe road. 91 Comment
  RSA663907  Cercidium floridum C. R. Annable 1995-3-10 2262 Riverside 1.6km S of Lake Cahuilla County Park. Comment
  RSA44868  Cercocarpus betuloides J. C. Roos 1948-5-15 3854 Riverside Upper Lost Palms Canyon, Eagle Mountains. Comment
  UCR18833  Cercocarpus betuloides John C. Roos 1948-5-15 3854 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  UC56988  Cercocarpus betuloides var. betuloides H. M. Hall April, 1902 2894 Riverside vicinity of Sage; Southern California 609 Comment
  UCR231761  Chaenactis artemisiifolia John F. Green 2008-4-23 09- 06 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  SBBG65660  Chaenactis carphoclinia M. N. Ackley -Feb-1926 254 Riverside near Edom 64 Comment
  POM265547  Chaenactis carphoclinia var. carphoclinia C. L. Hitchcock 1940-4-4 5948 a Riverside Pinto Basin. Comment
  POM351674  Chaenactis carphoclinia var. carphoclinia N. C. Cooper 1949-4-8 3239 Riverside Mecca Pass east of Indio 457 Comment
  UCR72161  Chaenactis carphoclinia var. carphoclinia Theo Glenn 1991-5-7 91- 91 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 365 Comment
  JEPS5008  Chaenactis fremontii Rimo Bacigalupi with L. R. Heckard and C. L. Custer 1953-5-5 4072 Riverside along Morongo Creek, along highway between Morongo Valley and Coachella Valley. 685 Comment
  JEPS8881  Chaenactis fremontii I. W. Clokey and B. C. Templeton 1930-4-9 4699 Riverside n of Palm Springs; Colorado Desert Comment
  RSA771677  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4991 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66012 750 Comment
  UC1119695  Chaenactis fremontii H. S. Yates 1936-4-7 5426 Riverside near Whitewater; San Jacinto 304 Comment
  UCSB6424  Chaenactis fremontii Graney, Don 1953-3-20 Riverside White Water Canyon, 1 half mi. from White Water, Colorado Desert Comment
  RSA0106324  Chaenactis fremontii Lyman Benson 1946-4-15 12026 Riverside 2 miles east of Banning. 609 Comment
  UCR231816  Chaenactis glabriuscula Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 14 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  POM123021  Chaenactis glabriuscula var. glabriuscula Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA500563  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3608 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA527860  Chaenactis glabriuscula var. glabriuscula Scott D. White 1991-5-10 91 -152 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  CAS-BOT-BC284353  Chaenactis stevioides Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center, Colo. Desert Comment
  JEPS51889  Chamaesyce albomarginata E. E. Schellenger 1894-8-11 78 Riverside Colorado Desert, Paloverde Comment
  RSA356649  Chamaesyce albomarginata R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47302 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  SBBG53745  Chamaesyce albomarginata S. Boyd 1980-5-3 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  UC56534  Chamaesyce albomarginata E. A. Zumbro Oct., 1902 300 Riverside Riverside Comment
  JEPS52391  Chamaesyce polycarpa Marjorie D. Clary 1931-12-13 655 Riverside w Coral Reef; Coachella Valley, Devil's Canyon Comment
  RSA760823  Chamaesyce polycarpa Thomas Stoughton, J. McConnaughy, Andrew Monks, Malia Volke 2010-3-30 106 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  SEINET3089524 Image available Chamaesyce polycarpa Paul D. Wood 1970-5-19 9 -A Riverside At University of Calif. along east bank of path leading to botanical gardens. 259 Comment
  UC577219  Chamaesyce polycarpa Lewis S. Rose 1934-12-25 34490 Riverside 10 mi n Whitewater; T Cross K Ranch Comment
  RSA432470  Chamaesyce polycarpa var. hirtella Christopher Davidson 1973-4-1 1837 Riverside Palm Springs. 488 Comment
  RSA627498  Chamaesyce serpillifolia L. C. Wheeler 1965-6-27 8692 Riverside Corona: Overboltzer's Grove. Comment
  JOTR30213  Cheilanthes covillei Leary, C. and Leary, Pat 1979-2-24 2807 Riverside Joshua Tree National Park. On west facing slope in Lower Covington Flats, north of Smithwater Canyon, Joshua Tree National Monument. Comment
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Feb 25 2013
  RSA0093765  Cheilanthes covillei Duncan S. Bell 2015-9-30 8690 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA645582  Cheilanthes covillei Scott D. White 1996-8-15 4460 Riverside San Jacinto Mtns. Idyllwild Area: Alvin Meadows and unnamed canyon upstream. 1524 Comment
  RSA752550  Cheilanthes covillei Justin M. Wood 2009-3-10 340 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  RSA543297  Cheilanthes newberryi Steve Boyd 1991-3-17 5514 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
  RSA702731  Cheilanthes newberryi Scott D. White, Michael Honer 2004-4-6 10058 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UCR20821  Cheilanthes newberryi A. C. Sanders, Steve Boyd 1980-5-2 00959 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  POM12204  Cheilanthes parryi P. A. Munz, D. Keck 1922-4-9 4823 Riverside Colorado Desert: so. base of Eagle Mtns. 3 mi. no. east of the Hayfields. Comment
  UCSB38682  Cheilanthes parryi Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  UCR181631  Chenopodium Mitch Provance 2003-6-7 7610 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  UCR92073  Chenopodium Scott D. White 1994-10-17 2503 Riverside City of Temecula, Murrieta Creek channel at confluence with Santa Gertrudis Creek 320 Comment
  CDA23353  Chenopodium album Magally 2007-12-1 PDR# 1377324 Riverside Thermal, S-E Jacson & 58th Ave 0 Comment
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May 21 2016
  UCR125294  Chenopodium berlandieri A. C. Sanders 2002-11-21 25627 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' mouth of Bixby Canyon 457 Comment
  UCR139988  Chenopodium berlandieri A. C. Sanders 2004-8-10 28764 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
  UCR4104  Chenopodium californicum Ronald M. Cope 1965-3-5 s.n. Riverside valley c. 50 yds. south of where Gage Canal goes underground after having crossed Le Conte Drive Comment
  UCR59507  Chenopodium californicum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3247 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Rd. 457 Comment
  UCR201410  Chenopodium chenopodioides Justin M. Wood 2008-9-22 160 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  OBI70667  Chenopodium hians Louis C. Wheeler 1945-10-6 6138 Riverside San Jacinto Mts. head of W fork of Snow Crk. T4S R2E sec 12 2377 Comment
  RSA0110603  Chenopodium missouriense Mitch Provance 2012-9-11 17623 Riverside Badlands of Western Riverside County: Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft, along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  UC447179  Chenopodium murale J. Ewan 1931-4-3 4127 Riverside Wiley Well Colorado Desert Comment
  UCR115152  Chenopodium strictum Mitch Provance 2000-11-2 2293 Riverside North Riverside, Reid Park, c. 0.5 mi SW of the corner of Placentia Ln. and Orange St. 250 Comment
  CLARK-A1528-2280  Chilopsis linearis John C. Roos 1952-6-21 5783 Riverside San Timoteo Canyon Comment
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Oct 22 2014
  SEINET9355101  Chilopsis linearis Unknown 1953-6-22 Riverside Between Palm Springs and Banning. Comment
  OBI37461  Chilopsis linearis subsp. arcuata G. Helmkamp 1985-5-9 455 Riverside S of Morongo Valley; Big Morongo Preserve; 1/2 mi from the Coachella Valley 503 Comment
  POM15199  Chimaphila menziesii Mary F. Spencer 1927-6-27 1972 Riverside Tahquitz trail, Idyllwild. 1829 Comment
  CAS-BOT-BC217964  Chloris truncata A. C. Sanders 1997-3-26 20138 Riverside Adjacent to the Skinner entrance road, ca. 1 km NE of Borel Rd. Lake Skinner Area 472 Comment
  RSA496748  Chorizanthe brevicornu A. C. Sanders 1988-5-11 7805 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 549 Comment
  RSA644219  Chorizanthe brevicornu var. brevicornu Victor W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-14 1358 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10; ca. 600 m. Along a small wash on north-facing slope. 183 Comment
  UC55792  Chorizanthe brevicornu var. brevicornu H. M. Hall May 17 1901-Jun 1 1901 1853 Riverside Palm Canyon 457 Comment
  UCR116412  Chorizanthe coriacea A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24184 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UC635066  Chorizanthe corrugata Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon Colorado Desert, 1000 Palm Canyon Comment
  UCR30161  Chorizanthe corrugata A. C. Sanders 1983-4-24 3801 Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, at the mouth of Salt Creek, 2 mi. north of the Imperial County line along Hwy 111 -70 Comment
  RSA561865  Chorizanthe fimbriata Steve Boyd, Tim S. Ross 1992-6-10 7625 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
  POM229024  Chorizanthe fimbriata var. laciniata P. A. Munz 1937-5-31 15116 Riverside Below Anza Tablet at head of Coyote Canyon. 1006 Comment
  UCR139156  Chorizanthe leptotheca S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR22112  Chorizanthe leptotheca Steve Boyd 1980-5-15 276 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 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
  UC450107  Chorizanthe parryi var. parryi F. M. Reed 1907-6-10 1423 Riverside Riverside and vicinity 304 Comment
  UCR78332  Chorizanthe polygonoides subsp. longispina D. E. Bramlet 1993-4-26 2334 Riverside Peninsular Range, Temecula, c. 4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  UCR266336  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-5-12 2352 Riverside Peninsular Range, Temecula, c. 4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  UCR91227  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-25 2395 Riverside Shipley Reserve/SE corner of Lake Skinner Co. Park, within and beside the Equestrian Trail, south of the Tucalota Hills and approximately 702 m SE of the park entrance road and 610 m north of East Benton Road, just SW of knoll 1800 ft 524 Comment
  HSC85292  Chorizanthe staticoides Steve Boyd 1986-5-1 1812 Riverside Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  UC449702  Chorizanthe staticoides Mrs. Lottie M. Wilder 1903-6-4 44 Riverside Wilder's Comment
  UCR261484  Chorizanthe xanti subsp. leucotheca A. C. Sanders, Katie Young, John Hale 2015-4-22 41587 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  RSA771682  Chorizanthe xanti var. leucotheca Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4985 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  UC489281  Chrysolepis sempervirens C. V. Meyer 1928-7-31 614 Riverside Tahquitz Peak; San Jacinto Mts. 2438 Comment
  RSA607247  Chrysothamnus teretifolius R. S. Woglum 1937-10-20 1195 Riverside Peninsular Ranges, Santa Rosa Mountains. Comment
  RSA696808  Chrysothamnus teretifolius J. Russell Bruff 1928-12-4 s.n. Riverside Split Rock Comment
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Oct 23 2011
  RSA799240  Chylismia brevipes subsp. brevipes Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 748 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  UC1122151  Chylismia cardiophylla subsp. cardiophylla H. S. Yates 1937-3-23 6428 Riverside Painted Canyon Thermal Quadrangle Comment
  SBBG61427  Chylismia claviformis M. N. Ackley -Feb-1926 753 Riverside entrance to Painted Cyn Comment
  UCSB44671  Chylismia claviformis Hibbard, Doug 1977-5-16 Riverside Off NW side of Hwy 74; 11.8 miles from its intersection with Hwy 111 1036 Comment
  CAS-BOT-BC160579  Chylismia claviformis subsp. aurantiaca G. Helmkamp; E. Helmkamp 1998-1-17 2531 Riverside Coachella Valley; Bob Hope Dr. 0.9 mi. S of I-10 42 Comment
  CAS-BOT-BC160617  Chylismia claviformis subsp. aurantiaca C. B. Wolf 1932-4-29 3109 Riverside Eastern Colorado Desert, 9 mi. so. of Browns Well on the Blythe - Rice road 243 Comment
  CLARK-A1528-1777  Cirsium occidentale John C. Roos 1952-4-13 5523 Riverside Box Springs Mountains 487 Comment
  SEINET3102065  Cirsium occidentale var. californicum Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17365 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  UC454292  Cirsium occidentale var. californicum I. J. Condit 1910-6-23 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1676 Comment
  UCR262284  Cirsium occidentale var. coulteri A. C. Sanders 2006-5-13 32277 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC280419  Cirsium ochrocentrum R. M. Howie 1952-8-1 s.n. Riverside Beaumont Comment
  UCR138763  Cirsium scariosum Scott D. White 1997-5-18 5164 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  POM13453  Cistanthe monandra P. A. Munz, I. M. Johnston 1922-5-19 5365 Riverside 5 miles NE of Murietta. 457 Comment
  CAS-BOT-BC172424  Clarkia bottae A. J. McC. 1892-5-1 73 Riverside Elsinore Comment
  SD152804  Clarkia bottae Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7339 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon. 366 Comment
  UCR35207  Clarkia dudleyana L. B. Ziegler 1972-6-5 472 Riverside San Jacinto Mtns., canyon at lower end of Poppet Flats. 1067 Comment
  RSA525354  Clarkia epilobioides Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4451 A Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  UCR250316  Clarkia epilobioides A. C. Sanders 2014-4-8 40970 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  SBBG128624  Clarkia purpurea subsp. quadrivulnera S. R. Hill, A. C. Sanders 2001-5-4 33701 Riverside Temecula, along new gas line right-of-way, N of Del Ray Rd near jct with Calle Pina Colada 381 Comment
  RSA387362  Clarkia purpurea subsp. quadrivulnera Steve Boyd 1986-4-19 1709 Riverside Temescal Canyon Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  CLARK-A1045-291  Clarkia similis George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains at State Highway 74; chaparral; ; Hemet 15'Q 609 Comment
  UC1979621  Clarkia similis D. L Banks, Steve Boyd 1995-5-3 0185 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UCR16350  Clarkia similis M. Wexler 1973-5-13 s.n. Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, 10.18 mi from Orange Co. line on State Route 74, east face of mountains 457 Comment
  RSA469298  Claytonia parviflora subsp. parviflora Robert L. Rutherford 1945-6-17 1670 Riverside Big Oaks Canyon, Banning. 1220 Comment
  JOTR35134  Claytonia parviflora subsp. utahensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3246 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; narrow wash with large granitic boulders throughout corridor (Stop 2) 1302 Comment
  SBBG35049  Claytonia parviflora subsp. viridis T. L. Secrest 1951-5-19 Riverside Idyllwild to Hemet Lake 1828 Comment
  UCR214129  Claytonia perfoliata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37743 A Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  OBI74378  Clematis lasiantha David J. Keil 1983-4-15 16900 Riverside E of Temecula on SR 79 Comment
  UCR16946  Clematis ligusticifolia Helen Leach 1966-11-1 c661101- 2 Riverside Pedley Rd., City of Mira Loma Comment
  UCR107383  Clematis pauciflora B. G. Pitzer 1997-3-23 2959 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
  RSA721126  Cnicus benedictus Pomeroy 1929-5-11 s.n. Riverside Lake Elsinore Comment
  SEINET3079496 Image available Collinsia concolor Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi. S of intersection with Wilson Valley Road. (Sage 7.5' USGS quad) 701 Comment
  POM122479  Collomia grandiflora Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UCR75070  Colubrina californica A. C. Sanders, E. J. Lawlor 1992-4-4 12112 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR48505  Conium maculatum Steve Boyd 1986-4-22 1727 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  UC1584111  Convolvulus simulans Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3890 Riverside cinder cone ridge at n side of mouth of Temecula Creek Cyn (s flank of mt.); Vail Lake Area, Big Oak Mtn. 396 Comment
  CAS-BOT-BC168173  Conyza coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile SE of Alberhill 439 Comment
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Jul 9 2019
  POM12407  Cordylanthus nevinii Philip A. Munz 1922-9-7 6408 Riverside Zigzag on trail to Hidden Lake. 2348 Comment
  UCR94921  Cordylanthus nevinii Scott D. White 1996-8-16 4484 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  POM161396  Cordylanthus rigidus subsp. setiger H. M. Hall 1901-08 2621 Riverside In open pine forests in the vicinitu of Strawberry Valley. 1585 Comment
  RSA0011001  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1438 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1382 Comment
  SD129529  Cordylanthus rigidus subsp. setiger G. K. Helmkamp 1989-10-7 Riverside Edge of moist farmland at the N edge of the fish hatchery in Whitewater Canyon, N of I-10 700 Comment
  CAS-BOT-BC288999  Coreopsis John H. Thomas 1957-3-30 6565 Riverside Joshua Tree National Monument. About 3 miles SE of White Tank near the road to Cholla Cactus Garden.About 20 miles NE of Indio 883 Comment
  LA99053  Corethrogyne filaginifolia E. R. Hobbs; G. Malanson, Walt Westman 1978-9-30 78- 132 Riverside Cortrite Avenue, Homeland 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
  RSA0042780  Cornus nuttallii A. Lee Haines 1951-5-19 s.n. Riverside Dark Canyon, San Jacinto Mt. 1981 Comment
  SBBG59853  Cornus sericea subsp. occidentalis R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1524 Comment
  UCR121811  Crassula aquatica A. C. Sanders, Carolyn Washburn 2001-4-17 24057 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  SEINET7073382  Crassula connata A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  JEPS49997  Crassula connata var. erectoides L. M. Newlon 1922-4-3 449 Riverside Mt. San Jacinto, Andreas Canyon Comment
  RSA85442  Crassula solieri J. C. Roos 1952-4-9 5514 Riverside Edgemont, near Box Springs 488 Comment
  RSA507504  Cressa truxillensis Steve Myers 1988-6-4 s.n. Riverside Rancho California area, E of Winchester Road, between Auld Rd. & Borel Rd 396 Comment
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Mar 20 2011
  SD122942  Cressa truxillensis Steve Boyd 1985-8-7 1118 Riverside Murrieta area, Clinton Keith Road, just east of the Bear Creek development golfcourse. Comment
  SD146297  Cressa truxillensis A. C. Sanders 1999-10-15 23182 Riverside San Jacinto Valley; Mystic Lake, 1.0 mile west of Jackrabbit Trail on Gilman Springs Road. 436 Comment
  CAS-BOT-BC175812  Crossosoma bigelovii Cecil Hart 1927-3-3 s.n. Riverside Morongo Valley near Whitewater Comment
  CLARK-A1656-825  Crossosoma bigelovii Jon Mark Stewart 1983-2-4 Riverside Palm Desert 330 Comment
  RSA503149  Crossosoma bigelovii G. D. Wallace 1966-3-26 233 Riverside Whitewater Canyon; 13 mi. E. of Banning, San Bernardino Nat'l For. 427 Comment
  UC218066  Crossosoma bigelovii A. F. Gilman 1922-3-19 Riverside Andreas Canyon Palm Springs Comment
  HSC27844  Croton californicus R. W. Spjut 1973-4-13 3298 Riverside Colorado Desert, within the city limits of Palm Springs just N of the metropolitan area on Palm Canyon Drive, Hwy. 111 122 Comment
  RSA429  Croton californicus J. T. Howell 1928-7-9 1060 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  RSA644224  Croton californicus V. W. Steinmann, M. T. Wedlake 1995-4-8 655 Riverside Along Hwy. 111, 1 km northwest of Palm Springs (measured from the intersection with San Rafael Dr.). 215 Comment
  RSA777342  Croton californicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4711 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
  UCR128255  Croton californicus A. C. Sanders, Kelly Volansky 2003-10-16 27345 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR213541  Croton californicus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37826 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near tower, 1.23 mi. NNW (348 deg. ) of intersection of I-15 and Lake St. 537 Comment
  UCR92257  Croton californicus Scott D. White 1995-8-23 3576 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  RSA480701  Croton californicus var. mohavensis M. B. Dunkle 1937-3-25 4911 Riverside East of Indio, Colorado Desert. Comment
  RSA0089136  Cryptantha Mitch Provance 2003-4-5 403 -01 Riverside Jurupa Mountains, Sunnyslope neighborhood, east side of Sierra Blvd., north of west end of Lauren Ln., SW of Noname Mtn. 755 Comment
  POM368195  Cryptantha angustifolia Anonymous s.n. Riverside Colorado Desert. Comment
  RSA680923  Cryptantha barbigera Scott D. White, Michael Honer 2003-5-14 9278 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (= Superior ) Gypsum Mine. 76 Comment
  UC857070  Cryptantha barbigera Milo S. Baker 1928-4-3 2776 b Riverside Palm Canyon Comment
  UCR30072  Cryptantha barbigera George K. Helmkamp 1983-4-5 483 16 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR38138  Cryptantha barbigera J. M. Stewart 1985-3-16 S.N. Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  UCR89563  Cryptantha barbigera George K. Helmkamp 1994-3-10 42 15 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  POM96832  Cryptantha barbigera F. M. Reed 1926-3-3 5162 Riverside Wash of Whitewater River near Bridge on Hwy. Comment
  JOTR35277  Cryptantha barbigera var. fergusoniae Andre, Jim 2012-4-16 20975 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  UCR167235  Cryptantha barbigera var. fergusoniae John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR132647  Cryptantha corollata D. C. Hawks 1988-4-2 s.n. Riverside Peninsular Range, Tule Creek drainage, 1.75 mi. (airline) NE of Aguanga, SE of intersection of Dove Dr. and Sycamore Falls, south of Hwy 371, between Aguanga and Anza 945 Comment
  UCR162544  Cryptantha corollata John F. Green 2005-4-29 s.n. Riverside Upper Santa Ana River Basin, eastern end of the Jurupa Mountains, Rubidoux area, immediately south of the county line, east of Armstrong Road 335 Comment
  UCR18171  Cryptantha decipiens A. C. Sanders 1978-4-1 00192 Riverside Santa Rosa Mtns, Pinyon Crest, on Hwy 74 1098 Comment
  UC667391  Cryptantha dumetorum Annie M. Alexander and Louise Kellogg 1941-4-27 2097 Riverside Joshua Tree National Monument, Riverside and San Bernardino counties Joshua Tree National Monument 1310 Comment
  UCR157662  Cryptantha dumetorum A. C. Sanders, K. C. Rose 1995-4-5 16384 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  CLARK-A1045-329  Cryptantha intermedia George K. Helmkamp 1977-3-20 Riverside Cabazon dry wash south of Cabazon; ; Cabazon 7.5'Q Comment
  JEPS67667  Cryptantha intermedia W. L. Jepson 1901-5-30 1554 Riverside between Aguanga and Temecula; Temecula River Comment
  POM368284  Cryptantha intermedia H. de Forest, Jack Rempel 1933-6-25 18014 Riverside Along road to Banning, San Jacinto Mts Comment
  RSA524607  Cryptantha intermedia Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3930 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  RSA771755  Cryptantha intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4632 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR160881  Cryptantha intermedia T. B. Salvato, Kelly Volansky 2003-3-27 116 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR193741  Cryptantha intermedia A. C. Sanders, Mitch Provance 2008-7-11 35758 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  UCR92343  Cryptantha intermedia Scott D. White, T. Keeler-Wolf 1994-5-8 s.n. Riverside San Jacinto Mtns, Foothills, San Jacinto River wash at eastern edge of Valle Vista 549 Comment
  SDSU21863  Cryptantha juniperensis A. C. Sanders, T. B. Salvato 2012-4-27 40087 Riverside Peninsular Range; Santa Ana Mtns. Region; Temescal Canyon, along Temescal Canyon Rd. near I-15 crossing and mouth of Mayhew Cyn. 314 Comment
  SBBG81675  Cryptantha maritima S. A. Junak 1983-3-24 1660 Riverside N side of Hwy 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  UC1563096  Cryptantha micrantha Steve Boyd and Orlando Mistretta 1986-3-13 1429 Riverside ne of Desert Center (jct of Parker Dam Rd and Palen Rd (rd going through pass between Palen and Granite Ranges)); Palen Mountains 243 Comment
  SD39201  Cryptantha micrantha var. lepida Edith A. Purer 1935-4-21 6443 Riverside Pine Valley, Pines to Palms Highway Comment
  RSA543584  Cryptantha microstachys Steve Boyd 1991-5-7 6166 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  SBBG118557  Cryptantha microstachys L. Gross with V. Soza 2003-5-8 828 Riverside N end of Rouse Ridge, S of the San Jacinto River, N of Rouse Hill Rd; T5S R2E S19, Center 777 Comment
  UC217963  Cryptantha microstachys P. A. Munz and I. M. Johnston 1922-5-19 5346 Riverside 5 mi ne Murietta 457 Comment
  UCR220123  Cryptantha microstachys D. E. Bramlet 1991-5-1 2106 Riverside Peninsular Range, tributary of Rawson Canyon, 5500 ft. south of Crown Valley & 2600 ft. east of Rawson Canyon 642 Comment
  UCSB41272  Cryptantha microstachys Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km.) W on Hwy. 74 from its jct. with Hwy. 243, approaching Hemet, San Jacinto Mts. 1370 Comment
  SDSU5401  Cryptantha muricata unknown 1941-6-9 1225 Riverside 1524 Comment
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Mar 15 2014
  UC1168726  Cryptantha muricata Peter H. Raven 1958-5-18 12978 Riverside 3.0 mi e junction of road to Aguanga (State Highway 74); San Jacinto Mountains Comment
  UCR271409  Cryptantha muricata John F. Emmel 2001-6-9 1716 Riverside San Jacinto Mountains, Chalk Hill, south-southwest of Idyllwild 1524 Comment
  RSA0079019  Cryptantha pterocarya var. cycloptera Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 903 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  JOTR35146  Cryptantha racemosa La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3258 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  UCR117667  Cryptantha simulans T. Schram, D. Wappler 1994-7-14 s.n. Riverside San Jacinto Mtns., Lake Hemet. Comment
  UCR198184  Cryptantha utahensis Michael Honer, L. Hulse 2004-4-2 1874 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  POM11166A  Cryptogramma acrostichoides Philip A. Munz 1922-9-7 6411 Riverside San Jacinto Peak, near the summit 3277 Comment
  UC64606  Cuscuta californica H. M. Hall Jun 1897 Riverside vicinity Riverside Comment
  POM122840  Cuscuta ceanothi Marcus E. Jones 1924-4-29 s.n. Riverside Idyllwild. Comment
  UCR127528  Cuscuta denticulata Bern Schwenn 1994-3-21 s.n. Riverside Transverse Range/Sonoran (Colorado) Desert, Joshua Tree National Park and vicinity, Little San Bernardino Mtns, along radio tower road in first canyon west of Pushawalla Canyon 549 Comment
  JEPS47116  Cuscuta salina W. L. Jepson 1901-5-31 1570 Riverside near Elsinore; Temescal Wash 335 Comment
  SD146150  Cymbalaria muralis A. C. Sanders 1998-4-12 21751 Riverside Residence at 5081 Magnolia Ave., corner of Chapman Pl. 256 Comment
  POM228884  Cymopterus panamintensis var. acutifolius A. M. Alexander, Louise Kellogg 1941-5-26 2239 Riverside Colorado Desert: altitude 3200 feet, Monsen [Munsen] Canyon, Eagle Mountains. 976 Comment
  UCR168544  Cyperus eragrostis L. C. Wheeler 1932-9-4 1333 Riverside Prado Basin, Santa Ana River at Chino Creek 183 Comment
  POM10323  Cyperus esculentus Anonymous s.n. Riverside Below West Riverside bridge. Comment
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Mar 15 2014
  UCR14419  Cyperus odoratus Leonel Sternburg 1974-8-27 s.n. Riverside Santa Ana River Bottom Regional Park. Comment
  UCR118779  Cyperus retrorsus A. C. Sanders, T. B. Salvato, G. P. Schultz, Steve Morgan 2001-11-15 24885 Riverside UCR Botanic Garden, east side of the UCR campus 396 Comment
  RSA607912  Cystopteris fragilis L. C. Wheeler 1961-6-20 7887 Riverside West fork of Tahquitz Creek. 2378 Comment
  UC196584  Dalea mollis Joseph Grinnell 1910-3-18 Riverside Riverside Mt. Colorado R., Riverside Mt. Comment
  POM310161  Dalea mollissima Hulda Crooks 1946-3-2 269 Riverside Palm Springs area. 139 Comment
  RSA644208  Dalea mollissima V. W. Steinmann 1999-10-26 1413 Riverside foothills of the Chuckwalla Mountains, open desert ca. 0.5 km south of Desert Center. 275 Comment
  RSA91432  Dalea mollissima F. W. Peirson 1922-4-11 4428 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs 244 Comment
  CLARK-A1656-794  Dalea schottii Jon Mark Stewart 1982-5-15 Riverside San Jacinto Mountains 853 Comment
  UCR233152A  Datura discolor Jim Andre, Glenn L. Clifton 2011-2-22 17460 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR89708  Datura discolor J. M. Stewart 1990-10-22 664 Riverside Sonoran (Colorado) Desert, Ford Dry Lake off I-10, c. 4 mi. west of Wiley Well Rd Comment
  UCD126636  Datura wrightii Robert F. Thorne; Drs. Fosberg, Sachet, and Herbst 1983-4-23 55419 Riverside San Bernardino Mountains. Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. In sandy wash east of bridge and on base of W-facing slope of ridge. 411 Comment
  RSA500221  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3522 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA645679  Daucus pusillus Scott D. White 1999-5-2 7287 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
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Mar 23 2011
  SD144088  Daucus pusillus A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20684 Riverside San Jacinto Mountains: N side of the range, Twin Pines Creek drainage, dry slopes above Brown Crk. 915 Comment
  POM9606  Daucus pusillus I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  SEINET7048191  Daucus pusillus Steven R. Hill, Andrew C. Sanders 2001-5-4 33700 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  RSA395678  Delphinium parishii Ora M. Clark 1929-2-22 1561 Riverside N. Whitewater. Comment
  CAS-BOT-BC7987  Delphinium parishii subsp. parishii Philip Alexander Munz; Percy C. Everett 1952-5-2 16240 Riverside Morongo Wash, n.w. end of Coachella Valley 457 Comment
  RSA398774  Delphinium parryi Emery M. Whilton 1938-5-15 s.n. Riverside Lake Elsinore. Comment
  UCR107818  Delphinium parryi subsp. parryi D. L. Banks 1997-5-5 2013 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  RSA0020471  Delphinium parryi subsp. parryi N. C. Cooper 1944-4-22 1105 Riverside Banning. 701 Comment
  RSA400030  Delphinium patens subsp. hepaticoideum J. C. Marvin 1921-4-1 s.n. Riverside Near Banning. Comment
  CAS-BOT-BC82952  Dendromecon rigida E. K. Balls 1954-7-29 19561 Riverside Along Indian Truck Trail in Santa Ana Mountains. 944 Comment
  HSC16738  Dendromecon rigida C. L. Hitchcock 1966-3-15 24160 Riverside 3 mi. E of Glen Ivy Hot Springs Comment
  UCR167976  Dendromecon rigida T. B. Salvato, John F. Green 2004-5-27 656 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
  UCR121803  Deschampsia danthonioides A. C. Sanders, Carolyn Washburn 2001-4-17 24050 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  UCR162946  Deschampsia danthonioides Fred M. Roberts 1996-3-27 4962 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
  UCR279579  Descurainia pinnata A. C. Sanders, Jim Malusa 2017-3-28 43154 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
  RSA500069  Descurainia pinnata subsp. glabra Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3242 Riverside Vail Lake area, Butterfield Valley, SE of Lake near Temecula Creek. 487 Comment
  UCR244400  Descurainia pinnata subsp. glabra Jim Andre 2012-4-16 20981 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  UCR35066  Dicentra chrysantha L. B. Ziegler 1968-6-26 324 Riverside San Jacinto Mtns, N slope of Thomas Mtn 1555 Comment
  UCR60932  Dicentra chrysantha Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3722 Riverside Peninsular Range, Vail Lake area, recently burned hills SE of lake, south of Hwy 79 488 Comment
  UCR97472  Dichelostemma capitatum subsp. capitatum A. C. Sanders 1997-3-1 19758 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
  RSA501057B  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3174 B Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA501060  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3177 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  POM11224  Dicoria canescens W. R. Dudley 1903-12 s.n. Riverside Near Palm Springs. Comment
  SFV9394  Dicoria canescens M. L. Vincent, R. H. Swade 1963-10-19 464 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  UC102026  Dicoria canescens C. R. Orcutt 1891-11-1 Riverside Colorado Desert Comment
  UC537237  Dicoria canescens M. E. Jones 1933-11-7 Riverside Cabazon Comment
  UCSB42210  Dicoria canescens Roos, John; Roos, Lucille 1957-11-30 Riverside 6 miles N.W. of Thousand Palms, Coachella Valley 152 Comment
  OBI36067  Dieteria canescens var. ziegleri J. Derby, T. Krantz 1977-10-1 s.n. Riverside Santa rosa Mt., along road to Santa Rosa summit 2073 Comment
  UCR78438  Dimorphotheca sinuata Scott D. White 1993-3-15 1187 Riverside Peninsular Range, Elsinore, Hwy 74, just west of NW corner of Lake Elsinore. Dickey Canyon. Comment
  SEINET269429 Image available Diplacus bigelovii var. bigelovii John Wear 1995-1 Riverside Colorado Desert; wash along Eagle Mountain Road north of I-10 near Desert Center Comment
  CAS-BOT-BC152268  Diplacus clevelandii John Thomas Howell 1931-5-30 6604 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  SEINET210004  Diplacus fremontii N. H. Holmgren, Liew Fah Seong 1969-1 3580 Riverside San Jacinto Mts, county rd R1, at Black Mt turnoff, 8.5 mi N of Idyllwild Comment
  RSA0018419  Diplacus longiflorus var. calycinus Scott D. White, Tasha La Doux 2000-4-20 7682 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  RSA0019299  Diplacus puniceus D. L. Banks, Steve D. Boyd 1995-6-2 561 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands. 902 Comment
  LA12291  Distichlis spicata A. M. Johnson; 1937-11-26 110 Riverside Gilman Hot Springs Comment
  SEINET4326791 Image available Ditaxis lanceolata Scott D. White 2001-4-3 8262 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 396 Comment
  UCR72236  Ditaxis lanceolata Theo Glenn 1991-5-27 91- 122 Riverside Sonoran (Colorado) Desert, Palen Mountains, NE of Desert Center 360 Comment
  VVC690  Ditaxis lanceolata P. J. MacKay, T. Thomas 1997-2-8 106 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  SBBG104637  Ditaxis neomexicana T. Glenn 1991-5-2 91 -16 Riverside McCoy Mtns, NW of Blythe; T4S, R20E, S32 350 Comment
  RSA0002643  Ditaxis serrata var. californica H. M. Hall 1905-04 5796 Riverside Marshall Canon, 7 miles west of Coachella. (north base of El Toro Mountain, not on label from Zoe) 30 Comment
  RSA510057  Dithyrea californica B. Pitzer, Steve Myers, J. Wilkinson 1988-2-21 598 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  UCR241591  Dithyrea californica A. C. Sanders, Ann Howald 2013-2-28 40557 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  UCSB22039  Dodecatheon alpinum Head, W. 1966-5-14 Riverside 0.5 mi. off of Long Valley Trail in Skunk Cabbage Meadow, San Jacinto Mountains. 2499 Comment
  CLARK-A1528-1317  Dodecatheon clevelandii John C. Roos 1946-12-28 3195 Riverside Reche Canyon 0 Comment
  RSA1455  Dodecatheon clevelandii J. T. Howell 1929-2-14 s.n. Riverside 6 miles south of Corona. Comment
  UCR85399  Draba cuneifolia A. C. Sanders, P. J. MacKay, A. Knapp, C. L. Sanders, et al. 1995-2-19 15959 Riverside Sonoran (Colorado) Desert, Coachela Valley at foot of Santa Rosa Mtns; ancient fish traps 2.2 mi west of Valerie 0 Comment
  RSA507954  Drymocallis glandulosa Steve D. Boyd, C. Boyd, Bob Boyd, Richard Noyes, L. Arnseth 1988-5-28 2272 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UC527311  Drymocallis glandulosa var. viscida C. B. Wolf 1931-5-11 1961 Riverside near Pipe Creek (above Hemet Valley, San Jacinto Mts.); San Jacinto Mts., near Pipe Creek 1676 Comment
  CAS-BOT-BC70833  Dryopteris arguta G. R. Kleeberger 1878-12-30 s.n. Riverside Temescal Comment
  SD68965  Dudleya lanceolata Robert F. Thorne, P. A. Munz and E. Lathrop 1968-5-8 37591 Riverside Santa Rosa Plateau: among boulders on dry slope at south end of dam and east end of vernal marsh on Mesa de Colorado, Rancho California. 669 Comment
  UC1080652  Dudleya lanceolata L. W. Lenz and H. Metcalf 1957-6-7 22623 Riverside ca 15 mi s Hemet (along Hwy 79) Comment
  SEINET960008  Dudleya multicaulis Steve Boyd 1986-1 1838 Riverside Temescal Canyon: Terrace escarpment between Horsetheif wash and Indian Truck Trail, south of I-15 Comment
  RSA397830  Dudleya saxosa G. D. Wallace 1964-4-26 s.n. Riverside Hwy 111 past Pinyon Flats. Comment
  JEPS48942  Dudleya saxosa subsp. aloides Marjorie D. Clary 1932-4-3 894 Riverside Deep Canyon Colorado Desert, west side of Santa Rosa Mtn Comment
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Oct 19 2006
  POM229008  Dudleya saxosa subsp. aloides P. A. Munz 1937-5-30 15132 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  RSA45211  Dudleya saxosa subsp. aloides J. C. Roos, L. Roos 1949-4-23 4285 Riverside Monson Canyon, Eagle Mountains. Comment
  UCR88309  Echinocereus engelmannii var. engelmannii A. C. Sanders, K. C. Rose 1995-4-5 16377 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA0125620  Echinocereus engelmannii var. engelmannii Marjorie Shaw 1916-03 s.n. Riverside Palm Springs Comment
  CLARK-A1656-850  Echinochloa colona Jon Mark Stewart 1983-11-6 83-56 Riverside Palm Desert 60 Comment
  RSA737219  Echinochloa crus-galli Justin M. Wood 2008-9-30 177 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA532559  Echinodorus berteroi David E. Bramlet 1990-7-25 2061 Riverside San Jacinto River. The area is some 1,000 meters west of Nuevo. 473 Comment
  UCSB6995  Ehrendorferia ochroleuca Lloyd, Robert 1959-4-17 Riverside 3 mi. south of West Corona on the Oak Flat Fire Road, Santa Ana Mtn. range 335 Comment
  JEPS19327  Eleocharis acicularis Carl V. Meyer 1928-7-27 566 Riverside Hidden Lake San Jacinto Mts. (shore) 2651 Comment
  POM1375  Eleocharis geniculata I. M. Johnston 1917-4-4 s.n. Riverside Colorado Desert: Palm Canyon. 305 Comment
  UCR118160  Eleocharis montevidensis S. J. Myers, Chet McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCR111564  Eleocharis parishii Mitch Provance 1999-5-4 1683 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 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
  UCR164281  Elymus triticoides S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  UCR41850  Emmenanthe penduliflora A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6037 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  SBBG133560  Emmenanthe penduliflora S. D. White 2004-4-26 10269 Riverside Soboba Indian Reservation, Indian Crk Watershed, San Jacinto Mtn foothills 518 Comment
  POM182214  Encelia actoni P. A. Munz 1932-4-24 12399 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  UC456075  Encelia actoni I. J. Condit 1910-6-24 Riverside road to Strawberry valley; San Jacinto River Canyon Comment
  CAS-BOT-BC131320  Encelia farinosa G. P. Rixford 1915-4-3 s.n. Riverside Riverside 426 Comment
  CAS-BOT-BC172828  Encelia farinosa A. C. Sanders; T. B. Salvato 2006-6-2 33068 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCD131203  Encelia farinosa Curtis Clark 1975-3-22 452 Riverside road to Joshua Tree National Monument, north of Interstate Highway 10, south of Monument boundary. Comment
  UCD131211  Encelia farinosa Gordon Pilone 1961-3-1 97 Riverside White Water Canyon, one-half mile below fish hatchery. 457 Comment
  CAS-BOT-BC131420  Encelia frutescens E. A. McGregor 1917-3-18 701 Riverside 5 mi up Painted [Canon] Canyon Comment
  POM30141  Encelia frutescens Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA703486  Ephedra aspera LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1434 -a Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33 deg 37'32N, 115 deg 19'35W: UTM 3721895N, 655238E to 33 deg 36'52N, 115 deg 19'54: UTM 3720669N, 654757E. 480 Comment
  UCR41522  Ephedra aspera A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6142 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  RSA772007  Ephedra californica Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4966 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
  SD229017  Ephedra californica Dick Schwenkmeyer 2012-5-22 723 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  SD55  Ephedra californica Ruth B. Randall 1926-2-22 277 Riverside Cabazon near Whitewater 760 Comment
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Mar 13 2011
  UCR41339  Ephedra californica N. M. Fellows 1985-3-3 98 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  SEINET10532236  Ephedra californica var. funera A. K. Evans 1976-4-13 Evans 5129 Riverside Rocky slopes of Santa Rosa mountains. Comment
  UCR137682  Ephedra nevadensis A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders, et al. 1995-5-5 15986 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Manirobra Valley, 1.6-3 mi south of frontage road (old 60) along I-10, S to edge of BLM wilderness 187 Comment
  CAS-BOT-BC81872  Ephedra trifurca Philip A. Munz 1941-4-5 16693 Riverside sand dunes southeast of Iron Mts. Comment
  UCR269208  Ephedra trifurca Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 987 Riverside Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  JOTR35160  Ephedra viridis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3269 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail; Pine-oak woodland among granitic boulder outcrops and narrow drainage system (Stop 3) 1295 Comment
  UCR281112  Epilobium campestre Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-23 517- 28 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  CAS-BOT-BC171725  Epilobium canum subsp. latifolium George L. Moxley 1932-1-1 s.n. Riverside Mt. San Jacinto Comment
  LA206110  Epilobium canum subsp. latifolium Louis C. Wheeler; 1933-12-1 2291 Riverside San Jacinto Mountains, mouth of Tahquitz Canyon 152 Comment
  UCR111759  Epilobium ciliatum S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  RSA588578  Epilobium glaberrimum subsp. fastigiatum Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
  POM266631  Epipactis gigantea J. C. Roos 1942-5-2 1129 Riverside Cottonwood Springs, northern Colorado Desert. Comment
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Oct 9 2010
  SEINET7063427  Equisetum laevigatum A. G. Vestal 1947-3-30 s.n. Riverside Along Route 74, San Jacinto Valley. UTM Zone 11, 514767mE, 3733157mN. (WGS84/NAD83). 582 Comment
  CLARK-A1528-4628  Eragrostis cilianensis John C. Roos 1965-7-7 Riverside San Jacinto Comment
  JOTR33117  Eragrostis cilianensis La Doux, Tasha, Mike Bell 2003-10-17 1600 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash 1310 Comment
  UCR2383  Eragrostis cilianensis F. M. Reed 1927-10-25 5520 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 290 Comment
  UCR100575  Eragrostis mexicana subsp. mexicana George K. Helmkamp 1997-11-1 2518 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  POM184299  Eremalche exilis P. A. Munz 1932-3-14 11992 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  POM8640  Eremalche exilis P. A. Munz, R. D. Harwood 1920-4-3 3563 Riverside Ford's Well west of Blythe. 305 Comment
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Dec 13 2016
  UCR16591  Eremalche rotundifolia Barry A. Vittor 1966-3-25 s.n. Riverside Sonoran (Colorado) Desert, Rancho Dos Palmas, 2 mi. NE of Salton Sea State Park. 30 Comment
  UCR19099  Eremalche rotundifolia John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  RSA421560  Eremocarpus setiger Freda Detmers 1931-6-19 s.n. Riverside Chino Hills. Comment
  RSA506437  Eremogone ferrisiae Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mountains. Garner Valley, Hwy 74, across from Kenworthy Forest Station. Comment
  SD181439  Eremothera boothii subsp. condensata V. Soza, J. M. Porter and G. D. Wallace 2001-4-2 1095 Riverside Little SanBernardino Mountains region: Mouth of West Wide Canyon, west side of Channel Run. Comment
  CAS-BOT-BC160222  Eremothera boothii subsp. desertorum N. Aitkenhead 1977-2-2 2178 Riverside ~1 mi. from junction of J.T. Mon Rd & pipeline Comment
  JEPS31754  Eremothera refracta W. L. Jepson 1928-4-25 12595 Riverside n Mecca; Cottonwood Mts., Cottonwood Spr. Comment
  RSA0123352  Eriastrum diffusum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9052 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA0119726  Eriastrum diffusum subsp. diffusum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 957 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  UCR202210  Eriastrum eremicum Peter L. Morrell, D. E. Krause 1995-5-1 460 Riverside Sonoran (Colorado) Desert, Coachella Valley, NW corner of Baristo Rd. and El Cielo Rd., near cargo entrance to Palm Springs Municipal Airport 123 Comment
  SEINET12278727  Eriastrum eremicum E. A. Purer 1935-1 6459 Riverside near Palm Springs Comment
  RSA0120082  Eriastrum eremicum subsp. eremicum Verne Grant, Alva Grant 1950-4-9 8835 Riverside Canyon in pass between Whitewater and Morongo Valley, 0.4 miles S of San Bernardino Co. line. Comment
  UCR108876  Eriastrum sapphirinum Heidi A. Haid 1968-5-19 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR140741  Eriastrum sapphirinum A. C. Sanders 2004-5-11 27852 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  UCR174561  Eriastrum sapphirinum Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., Just south of Mt. Edna Rd. on Calif. Hwy 243 1143 Comment
  UCR58302  Eriastrum sapphirinum George K. Helmkamp 1989-10-7 s.n. Riverside San Jacinto Mtns, N slope of Thomas Mtn, 1 mi. SW of Hwy 74 on Thomas Mtn Road 1500 Comment
  RSA0122979  Eriastrum sapphirinum subsp. dasyanthum L. M. Prince, Duncan S. Bell 2009-6-17 578 Riverside Cleveland National Forest Comment
  UCSB5009  Eriastrum sapphirinum subsp. dasyanthum Jacobson, A. 1959-5-16 Riverside Road between Banning and Idyllwild, 4 miles south of Banning 762 Comment
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Mar 30 2014
  RSA0121589  Eriastrum sapphirinum subsp. dasyanthum Anstruther Davidson 1921-06 3429 Riverside San Jacinto. Comment
  RSA0122950  Eriastrum sapphirinum subsp. dasyanthum C. W. Tilforth 1969-7-24 213 Riverside About 5 mi. south of Hemet, east of County Highway R-3. Comment
  SD28108  Eriastrum sapphirinum subsp. sapphirinum Carl B. Wolf 1932-8-4 3915 Riverside San Jacinto Mountains; Point View, near Idyllwild. 1646 Comment
  RSA479913  Ericameria cuneata Steve Boyd 1987-11-23 2094 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  POM350409  Ericameria cuneata var. spathulata Jack Rempel, Erwin H. Miller 1934-4-28 18726 Riverside Lost Horse 1296 Comment
  LA202466  Ericameria linearifolia Martha Hilend Kinsey; 1935-3-31 sn Riverside Mission Canyon Comment
  POM359406  Ericameria linearifolia Ora M. Clark 1929-2-23 1545 Riverside South of Cabazon Comment
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Mar 13 2011
  SDSU3876  Ericameria linearifolia H. Wedberg 1962-4-20 919 Riverside About 1 mile SE of Pinyon Flat on road to Palm Springs, San Jacinto Mountains. 1219 Comment
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Oct 18 2011
  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
  RSA0086777  Ericameria pinifolia R. G. Swinney 1967-5-26 11732 Riverside Snow Creek. 335 Comment
  RSA520940  Ericameria pinifolia Steve Boyd 1988-10-8 2860 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UC1979604  Ericameria pinifolia D. L. Banks, Steve Boyd 1995-10-17 0788 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. Comment
  UCD131707  Erigeron bonariensis Leslie Ede 1974-6-1 s.n. Riverside Blythe. Comment
  UCD131744  Erigeron breweri var. covillei K. Esau 1935-6-15 s.n. Riverside Hemet Valley. Comment
  SDSU12965  Erigeron canadensis Michael G. Simpson 1999-10-27 2036 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  RSA525419  Erigeron foliosus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4527 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  JEPS41515  Erigeron foliosus var. foliosus W. L. Jepson 1903-8-5 2262 Riverside Strawberry Valley San Jacinto Mt., Strawberry Valley 1676 Comment
  RSA683094  Erigeron foliosus var. foliosus Scott D. White, Teresa B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8659 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UC284165  Erigeron foliosus var. foliosus P. A. Munz 1993-6-18 7133 Riverside Temecula Canyon Comment
  UCR3717  Erigeron foliosus var. foliosus Frank C. Vasek 1964-7-25 640725- 21 Riverside San Jacinto Mtns, road out of Dark Canyon 1829 Comment
  RSA601198  Erigeron strigosus S. Morgan 1994-3-25 94 -1 Riverside A weed in the UCR Botanic Garden Comment
  LA205609  Eriodictyon crassifolium W. Pequegnat; 1939-4-8 23 Riverside Santa Ana Mountains Comment
  UCR156084  Eriodictyon crassifolium T. B. Salvato, Kent Beaman 2005-5-16 806 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCSB10302  Eriodictyon crassifolium Gill, Robert 1960-3-23 Riverside Snow Canyon, near end of road; San Jacinto Mt. Range; Colorado Desert drainage area 563 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
  RSA455109  Eriodictyon trichocalyx var. lanatum Christopher Davidson 1978-6-15 7385 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2088 Comment
  RSA777288  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4547 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  CAS-BOT-BC248621  Eriogonum apiculatum Peter Kamb 1950-9-12 1930 Riverside West side of Mt. San Jacinto on ridge north of North Fork of San Jacinto River 2286 Comment
  SEINET6328740  Eriogonum apiculatum Wesley O. Griesel 1962-9-18 s.n. Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  UCR140902  Eriogonum baileyi var. baileyi 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
  JOTR35460  Eriogonum davidsonii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 63 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop4) Comment
  RSA639582  Eriogonum davidsonii Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53569 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains. 1098 Comment
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Apr 25 2011
  UC56795  Eriogonum davidsonii H. M. Hall May 17 1901-Jun 1 1901 1860 Riverside eastern base San Jacinto Mt. San Jacinto Mt. 914 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
  JOTR34388  Eriogonum fasciculatum var. flavoviride Andre, Jim 2012-4-16 20915 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
  RSA49381  Eriogonum fasciculatum var. flavoviride P. A. Munz 1949-4-12 13030 Riverside North base of Eagle Mts., Mojave Desert. 945 Comment
  UCD99982  Eriogonum fasciculatum var. flavoviride William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  HSC79227  Eriogonum fasciculatum var. polifolium G. K. Helmkamp 1983-10-8 - 24 Riverside TNC Big Morongo Preserve, S of town of Morongo Valley in Big Morongo Canyon, beside the pipeline road in the middle of the TNC owned area 762 Comment
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Feb 18 2013
  UCD100074  Eriogonum fasciculatum var. polifolium Nancy Ryan Zabriskie 1969-4-27 204 Riverside Andreas Canyon near Palm Springs. 365 Comment
  UC56798  Eriogonum gracile E. A. Zumbo Oct, 1902 364 Riverside Riverside Comment
  RSA393579  Eriogonum inflatum var. inflatum N. C. Cooper 1944-4-8 1050 Riverside Andreas Canyon. 305 Comment
  SBBG97159  Eriogonum inflatum var. inflatum W. L. Halvorson 1977-2-15 77 -23 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  JOTR16814  Eriogonum maculatum Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE RANGER STATION FROM CAP ROCK 1310 Comment
  JOTR35298  Eriogonum pusillum Andre, Jim 2012-4-11 20795 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  RSA424847  Eriogonum pusillum Emery M. Whilton 1937-3-22 s.n. Riverside Taken in the Chocolate Mountains, east slope, Coachella Valley. Comment
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Dec 18 2011
  UCR35096  Eriogonum pusillum L. B. Ziegler 1973-5-2 509 Riverside San Jacinto Mountains, Hwy 74 below Pinyon Flats, near edge of gorge of Deep Canyon on desert side of mtns. 1021 Comment
  SEINET3409354  Eriogonum reniforme G. Rink 2013-3-29 11917 Riverside About twelve miles west of Blythe, along the T-line for the proposed Quartzite solar power plant 115 Comment
  UC1329840  Eriogonum saxatile James E. Cole 1941-6-9 860 Riverside s summit of Stubby Spring Pass; Joshua Tree National Monument 1432 Comment
  UCR243512  Eriogonum saxatile Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21083 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  POM123039  Eriogonum thomasii Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA517830  Eriogonum thomasii Steve Boyd, Orlando Mistretta 1986-3-13 1450 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SEINET3088161 Image available Eriogonum thomasii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2740 Riverside Chuckwalla Mtns: Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. Comment
  UC1700176  Eriogonum thomasii Philip A. Munz 1940-3-23 15669 Riverside road from Dale to Cottonwood Springs (s base of Pinto Mts.); Pinto Mts. 609 Comment
  UC310593  Eriogonum thomasii Philip A. Munz 1926-1-31 9971 Riverside Dos Palmos Spring Colorado Desert, Dos Palmos Spring Comment
  UCR104834  Eriogonum thomasii George K. Helmkamp 1998-4-4 3171 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
  UCR200299  Eriogonum thomasii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11213 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR245231  Eriogonum thomasii Jim Andre 2012-3-19 21320 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  CAS-BOT-BC262882  Eriogonum thurberi H. M. Hall 1904-5-19 4950 Riverside Riverside. Fairmount Park 243 Comment
  UC205982  Eriogonum thurberi Jenkins and Street 1917-5-30 1954 Riverside San Jacinto River Comment
  UC849304  Eriogonum thurberi Lewis S. Rose 1937-4-9 37101 Riverside Palm Springs 137 Comment
  UCD170271  Eriogonum thurberi Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-4 3633 Riverside SE Vail Lake (Temecula Creek, just n of Hwy 79); Vail Lake area, Temecula Creek. 487 Comment
  POM98158  Eriogonum thurberi P. A. Munz 1925-5-20 9851 Riverside 2 mi. east of Aguanga. Comment
  CAS-BOT-BC263590  Eriogonum trichopes Geo. B. Grant 1906-4-20 6719 Riverside Palm Springs Comment
  JOTR35348  Eriogonum trichopes Harding, Mitzi, Mark Wheeler 2012-2-28 115 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  RSA420612  Eriogonum wrightii var. membranaceum Louis C. Wheeler 1931-10-4 172 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  UC1979849  Eriogonum wrightii var. membranaceum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3573 Riverside Peninsular Ranges; San Jacinto Mountains region: Southern spur of Pine Meadow, southeast of Highway 371, northwest of Santa Rosa Summit. Survey north side of Highway 74. Comment
  UCR22009  Eriogonum wrightii var. membranaceum Steve Boyd 1980-9-1 341 Riverside Harford Springs County Park. Located on the NW corner of the Gavilan Plateau. Along old dirt roadbed, S border. Comment
  CAS-BOT-BC261789  Eriogonum wrightii var. nodosum Louis C. Wheeler 1933-12-1 2294 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  RSA9743  Eriogonum wrightii var. nodosum Louis C. Wheeler 1933-12-1 2294 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  SBBG64297  Eriogonum wrightii var. subscaposum R. Hoffmann 1929-9-10 Riverside San Jacinto Mtns 2438 Comment
  SEINET3260968 Image available Eriogonum wrightii var. wrightii T. La Doux, Jim Andre 2008-9-16 340 Riverside Mojave Desert; Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground (Indian Cove 7.5' Q.) 930 Comment
  POM10255  Eriophyllum ambiguum var. paleaceum Charlotte M. Wilder 1907-04 s.n. Riverside Andreas Canyon, near Palm Springs Comment
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Mar 12 2011
  POM357973  Eriophyllum confertiflorum Christopher Davidson 1978-6-15 7392 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  SEINET7073462  Eriophyllum confertiflorum 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
  UCR16866  Eriophyllum confertiflorum M. Ferro 1970-5-10 12 Riverside Hwy 60 to San Jacinto turnoff [Gilman Springs Rd.]; 4 mi [SE] then 0.25 mi off E side of rd. 457 Comment
  UCR175076  Eriophyllum confertiflorum Teresa Nieto 2005-4-24 19 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  JEPS23547  Eriophyllum confertiflorum var. confertiflorum Peter H. Raven 1958-5-17 12937 Riverside 3.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  CLARK-A1528-212  Eriophyllum multicaule C. M. Flanagan 1973-4-14 OO 110 Riverside 518 Comment
  PASA2215  Eriophyllum multicaule Frank W. Peirson 1928-4-19 Riverside Hills north of Elsinore 457 Comment
  UC217984  Eriophyllum multicaule P. A. Munz and I. M. Johnston 1922-5-19 5345 Riverside 5 mi ne of Murrietta 411 Comment
  POM29826  Eriophyllum wallacei Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  RSA772859  Eriophyllum wallacei Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4820 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
  RSA680848B  Erodium botrys Scott D. White, Michael Honer 2003-4-2 8905 Riverside Temescal Valley: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  UCR167074  Erodium botrys Scott D. White 2005-3-29 10846 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UC1536993  Erodium cicutarium Gordon H. True 1935-3-1 29 Riverside Box Springs 365 Comment
  UCR137691  Erodium cicutarium D. L. Banks, V. W. Steinmann 1997-3-13 1476 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
  UC63848  Erodium macrophyllum H. M. Hall 1897-5-4 523 Riverside Alice Mine Comment
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Jun 2 2012
  RSA700097  Erodium moschatum Virginia Moran 2003-4-2 s.n. Riverside Collected from Warm Springs Preserve, managed by the Center for Natural Lands Management. Located approximately 8 km. north of Temecula, approximately 3 km. northeast of the end of Hunter Road. Comment
  JEPS61396  Erodium texanum S. B. Parish 1913-2-28 8477 Riverside Mecca Salton Basin -60 Comment
  JOTR33986  Erodium texanum La Doux, Tasha, M. Harding 2010-4-7 2874 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  SEINET13752389  Erodium texanum Heather Breakiron 2017-3-21 1 Riverside 11 miles southwest of Blythe, CA Comment
  RSA0019319  Erythranthe guttata Mary F. Spencer 1921-6-22 1671 Riverside Idyllwild. Comment
  RSA0015890  Erythranthe moschata Snell 1920-1 3402 Riverside Idyllwild. Comment
  RSA0022956  Eschscholzia androuxii Ora M. Clark 1929-3-16 1721 Riverside NW Whitewater Comment
  RSA433640  Eschscholzia caespitosa subsp. caespitosa D. A. Young 1969-3-28 P 394 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
  RSA33577  Eschscholzia californica N. C. Cooper 1944-6-4 1362 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  UC118512  Eschscholzia californica Charlotte M. Wilder June, 1905 653 Riverside Wilder's Canyon West Riverside, Jurupa Hills Comment
  UCR214572  Eschscholzia californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37853 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR2990  Eschscholzia californica David T. Wright 1966-3-19 s.n. Riverside Perris-Aguanga Basin region, 3 mi. north of Perris Comment
  UCR98679  Eschscholzia californica S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  HSC28464  Eschscholzia glyptosperma Richard Spjut 1973-4-6 3271 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  CDA24567  Eschscholzia minutiflora T. C. Fuller 1963-4-23 10276 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.9 miles northeast of Mecca. 0 Comment
  RSA80987  Eschscholzia minutiflora G. R. Campbell 1952-4-5 18373 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  SBBG25098  Eschscholzia minutiflora D. Myrick 1966-4-2 1327 Riverside Linda Vista Lodge, Desert Hot Springs Comment
  UCD95412  Eschscholzia minutiflora Curtis Clark 1976-4-13 526 a Riverside Mecca-Joshua Tree Road, 7 miles southwest of the junction with Interstate Highway 10. 243 Comment
  UCD96470  Eschscholzia papastillii Shannon M. Still 2009-2-21 435 -A Riverside California. Riverside County. 168 Comment
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Sep 2 2017
  JOTR30632  Eschscholzia parishii Andre, Jim, Tasha La Doux 2008-3-21 8836 Riverside Joshua Tree National Park. Upper Wilson Wash, approximately 9.5 mi S. of North Entrance 1017 Comment
  NY43342  Eschscholzia parishii C. R. Annable 1995-3-12 2270 Riverside Box Canyon Wash, Hwy 195 Comment
  CDA5163  Eucalyptus camaldulensis A. C. Sanders, O. F. Clarke 1991-6-1 11123 Riverside Upper Santa Ana River/San Bernardino Valley. Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River. Comment
  UCR133177  Eucalyptus polyanthemos J. C. Lyman 1989-2-9 89- 3 Riverside Lakeview, Pressman property in the Bernasconi Hills, just south of the Ramona Expressway, south of Lake Perris and north of Nuevo Comment
  UC1287119  Eucrypta chrysanthemifolia var. chrysanthemifolia C. L. Hitchcock 1966-3-16 24177 Riverside 0.25 mi w Aguanga Comment
  SD247412  Euphorbia O. F. Clarke 2004-8-21 Riverside Peninsular Range: Riveside; UCR Botanic Garden (Riverside East 7.5'Q) 351 Comment
  JOTR32110  Euphorbia abramsiana Harding, Mitzi, Kipp Callahan 2012-8-27 285 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  CLARK-A1528-436  Euphorbia albomarginata Charlotte Stocks 1964-8-19 Riverside Rancho Mirage Comment
  UCR97279  Euphorbia albomarginata Scott D. White 1993-4-30 1315 b Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  UCSB11045  Euphorbia lurida Breedlove, Dennis 1961-5-6 Riverside 4.2 mi. SE Vista Grande Guard Station on Riverside County Hwy. 1, San Jacinto Mts., 150 yds. SW of road 1798 Comment
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Mar 1 2014
  RSA543151  Euphorbia melanadenia Steve Boyd 1991-3-17 5516 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
  OBI14400  Euphorbia palmeri Dieter H. Wilken 1965-6-29 375 Riverside Strawberry Meadows, near Idyllwild, San Jacinto Mts 1554 Comment
  POM12863  Euphorbia palmeri P. A. Munz 1922-6-28 5882 Riverside Mts. above Santa Rosa. 2409 Comment
  OBI33604  Euphorbia polycarpa J. C. Roos 1946-10-26 3145 Riverside Chuckwalla Mts Comment
  SEINET3828351  Euphorbia polycarpa Amber Swanson 2011-1 653 Riverside On a flat sandy wash areas 426 Comment
  UCR103273  Euphorbia polycarpa B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3575 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR120563  Euphorbia polycarpa Helen Kennedy, T. B. Salvato 2002-2-2 5448 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  POM122930  Euphorbia polycarpa var. hirtella Marcus E. Jones 1925-9-7 s.n. Riverside Palm Springs Comment
  UCR153426  Euphorbia polycarpa var. hirtella Scott D. White 2000-3-23 7635 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms area. North terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 Comment
  UCR239868  Euphorbia serpens O. F. Clarke 2003-9-1 s.n. Riverside Peninsular Range, Riverside, UCR Botanical Garden, along wheelchair trail NW of rose garden 351 Comment
  RSA392121  Eustoma exaltatum Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  RSA611954  Eustoma exaltatum Louis C. Wheeler 1952-12-15 7025 Riverside Riverside Mountains: 2-3 miles souith of Mountaineer Mine, north of Johnson's Camp. Shore of Alligator Slough of the Colorado River. Comment
  CAS-BOT-BC171039  Fagonia laevis P. A. Munz; R. D. Harwood 1920-4-3 3578 Riverside 30 mi. west of Blythe 365 Comment
  RSA681032  Fagonia laevis Scott D. White, Michael Honer 2003-5-14 9262 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA703813  Fagonia laevis LeRoy Gross 2005-3-3 1594 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR112103  Fagonia laevis A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23354 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR279361  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2017-3-24 42983 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  UCR92643  Festuca arundinacea Steve Boyd 1985-7-23 1016 B Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  UCR162764  Festuca myuros 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
  UCR2411  Festuca myuros F. M. Reed 1903-12-13 407 Riverside South Coast; San Bernardino Valley, Riverside, near natural bridge in Arroyo Chico [Terraces Ranch, 547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  UCR41250  Festuca octoflora N. M. Fellows, A. C. Sanders 1985-4-9 133 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
  OBI12182  Forestiera pubescens H. E. McMinn 1935-6-27 4045 Riverside Pines to Palms hwy Comment
  CSUSB2046  Fouquieria splendens Wayne White 1975-5-17 707 Riverside Red Cloud Road south of Highway I-10. Chuckwalla Mountains. 441 Comment
  RSA81010  Fouquieria splendens F. W. Peirson 1921-3-23 2391 Riverside Deep canyon wash, south of Coachella Valley Comment
  RSA0018447  Fragaria vesca F. W. Peirson 1922-5-19 3038 Riverside San Jacinto River. 1143 Comment
  POM230678  Frangula californica subsp. californica I. W. Clokey, E. G. Anderson 1935-8-21 6735 Riverside North of Idlewilde. Hillsides. 1650 Comment
  CAS-BOT-BC211659  Frankenia salina S. B. Parish 1897-5-31 4396 Riverside Elsinore 396 Comment
  CAS-BOT-BC211661  Frankenia salina S. B. Parish 1897-5-31 4396 Riverside Elsinore 396 Comment
  UCD121443  Frasera parryi R. N. Raynor 1939-6-20 s.n. Riverside San Jacinto Mts. Near Coahuila. Comment
  RSA701116  Fraxinus dipetala M. Wall 1996-7-22 180 Riverside S. of Beaumont, Hwy 79, E side of Fwy 10. Comment
  UCR277104  Fraxinus dipetala T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3771 Riverside San Jacinto Mountains, San Jacinto River Canyon, lower part of the South Fork Trail (FSR 2E17) close to the San Jacinto River 1195 Comment
  UCR178337  Fraxinus pennsylvanica subsp. velutina Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 651 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR91739  Fraxinus velutina A. C. Sanders, J. Goetzen 1996-5-1 18133 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  SFV21862  Funastrum cynanchoides var. hartwegii J. R. Pucci 2001-4-7 10 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  SDSU9291  Galium angustifolium Stan Mather 1938-5-13 Riverside Lake Elsinore. Comment
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Jul 8 2009
  POM367710  Galium angustifolium subsp. angustifolium E. S. Spalding 1925-6-12 s.n. Riverside Vicinity of Temecula. Comment
  POM46850  Galium angustifolium subsp. angustifolium Charlotte M. Wilder 1904-6-11 111 B Riverside Wilders Canyon; Jurupa Hills near Riverside. Comment
  RSA772405  Galium angustifolium subsp. angustifolium Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4860 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
  UCR111966  Galium angustifolium subsp. angustifolium A. C. Sanders, T. B. Salvato 2000-5-25 23396 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA0103090  Galium angustifolium subsp. gracillimum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8550 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  RSA0051335  Galium angustifolium subsp. jacinticum Valerie Soza, Steve Boyd 2004-6-22 1727 a Riverside San Jacinto Mountains, southeast side of Lake Fulmor, slope above Hwy 243 (Hall Canyon). 1615 Comment
  RSA0124385  Galium aparine Duncan S. Bell 2016-4-16 9329 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  SD137627  Galium aparine Darin L. Banks 1995-3-16 105 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail 609 Comment
  SEINET1909898  Galium aparine T. B. Salvato, John F. Green 2004-1 555 Riverside San Bernardino Mtns head of Banning (San Gorgonio River) Canyon close to the San Berardino Co. line, 1 mi. SE of Ok conservation Camp. (Forest Falls Q.) 1341 Comment
  RSA667005  Galium parisiense A. C. Sanders, T. B. Salvato 2001-5-25 24373 Riverside San Jacinto Valley: west end of Hemet-Ryan airport runway, 50-200m east of Warren Rd. and 100-200m north of Stetson Ave. 457 Comment
  RSA666860  Galium porrigens A. C. Sanders, P. J. MacKay, T. Thomas, O. Clarke 1997-5-4 20644 Riverside San Jacinto Mountains north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740. Comment
  RSA715254  Galium porrigens A. C. Sanders 2006-5-19 32468 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SD186324  Galium porrigens Andy C. Sanders, Mike Misenhelter 2005-3-23 29266 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR16638  Galium stellatum subsp. eremicum Bonner Blong 1966-3-27 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Near drinking fountain along Carrizo Creek, off Hwy74, 'el. 3000 ft. 671 Comment
  UCR260227  Galium stellatum subsp. eremicum A. C. Sanders, Jim Malusa 2015-3-11 41407 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, side canyon draining from the NE into large canyon containing the Gasline Road, c. 2.5 miles north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  LA40343  Garrya fremontii W. Pequegnat; 1938-1-10 sn Riverside Santa Ana Mountains, Indian Canyon Rd 761 Comment
  RSA577758  Gastridium phleoides F. M. Reed 1926-5-15 5340 Riverside Menifee Valley Comment
  UCR92793  Gazania longiscapa Scott D. White 1994-3-29 1932 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  CAS-BOT-BC303571  Geraea canescens Peter H. Raven 1958-2-15 11585 Riverside Along US Highway 60, 8.7 miles E of road to WIley Wells Comment
  UC472328  Geraea canescens Joseph Grinnell 1910-3-17 Riverside sand bank at foot of mesa Colorado River, Riverside Mt. Comment
  UCR127533  Gilia A. C. Sanders 2002-5-4 25041 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  SEINET6969909  Gilia W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Base of brush-covered Gavilan Hills west of Perris. Comment
  RSA501034  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3155 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA735091  Gilia angelensis Rosemarie Zimmermann 1963-5-5 288 Riverside Ramona Bowl, picnic area S. of Hemet, E of State Hwy 79 701 Comment
  UC1979549  Gilia angelensis Darin L. Banks, Steve Boyd 1995-5-9 413 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. Area, W of Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UCR116976  Gilia angelensis A. C. Sanders, T. B. Salvato 2001-5-3 24087 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR281270  Gilia angelensis Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 48 Riverside Perris-Aguanga Basin, Menifee, Bundy Canyon Rd., NE intersection with Sunset Ave. 534 Comment
  UCR44362  Gilia australis A. C. Sanders 1986-6-1 6568 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  RSA0094785  Gilia capitata Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7937 Riverside San Gorgonio Pass area, between Cabazon and Whitewater, just south of Interstate 10, where the Pacific Crest Trail passes under the freeway. 397 Comment
  UCR157962  Gilia capitata T. B. Salvato, A. C. Sanders 2005-5-17 926 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  RSA507943  Gilia capitata subsp. abrotanifolia Steve Boyd, C. Boyd, Kyle A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2261 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  SEINET14643541  Gilia diegensis H. M. Hall 1904-5-19 4949 Riverside Fairmount Park, viciinity of Riverside. 244 Comment
  UCR52067  Gilia exilis D. C. Hawks 1988-3-27 s.n. Riverside between Aguanga and Anza, southeast of intersection of Dove and Sycamore Streets, south of Hwy 371. Tule Creek drainage, 1.75 mi airline northeast of Aguanga 762 Comment
  JEPS26556  Gilia maculata Peter Kamb 1948-4-11 888 Riverside Aqueduct Road 5 mi e Garnet (Coachella Valley); , e of Garnet 304 Comment
  UC1138214  Gilia maculata H. Lewis 1952-4-5 Riverside Aqueduct Road 5.2 mi s Garnet; s of Garnet Comment
  RSA0016299  Gilia ochroleuca subsp. exilis P. A. Munz 1922-4-28 5025 Riverside Temescal Canyon. Comment
  RSA776239  Gilia scopulorum Duncan S. Bell 2010-3-20 600 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR100177  Gilia splendens Scott D. White 1994-4-23 2039 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  SD146195  Gilia stellata B. Pitzer, J. Ross 1998-3-8 3608 1 Riverside North-facing bajada on south side of Hayfield Lake between laebed and Highway I-10. 412 Comment
  UC63393  Glycyrrhiza lepidota H. M. Hall 1904-5-26 4967 Riverside West Riverside 213 Comment
  UCR264631  Glycyrrhiza lepidota Mitch Provance 2012-6-19 196- 05 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  UCR167865  Gnaphalium californicum T. B. Salvato, Melissa Clemons 2005-6-2 1351 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
  CLARK-A1528-223  Gnaphalium microcephalum Margaret Ferro 1970-5-16 22 Riverside Jurupa 365 Comment
  SEINET2056598 Image available Grayia spinosa B. Pitzer 2001-4-11 4326 Riverside SW Mojave Desert; just outside the Adelanto city limits. 2.6 Mi. N of Hwy 18 & 0.2 mi. W of Hwy 395 0n Holly Road 911 Comment
  UCSB1696  Grayia spinosa Graney, Don 1953-3-21 Riverside Devils Garden, 11 miles east of White Water, Colorado Desert Comment
  UCR217796  Guillenia lasiophylla Jim Andre, T. La Doux 2010-2-28 12558 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  UCR94642  Gutierrezia californica Scott D. White 1996-5-27 4077 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  CAS-BOT-BC302142  Gutierrezia sarothrae Meredith A. Lane 1982-10-13 3026 Riverside 19.3 KM (12 mi) E of Kern Camp Summit on California State Highway 74 in the San Jacinto Mountains at Hurkey Creek Picnic Area 1341 Comment
  POM259263  Gutierrezia sarothrae P. A. Munz 1938-8-14 15388 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2438 Comment
  RSA504547  Gutierrezia sarothrae Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  UCR13731  Gutierrezia sarothrae J. Gull 1973-7-30 s.n. Riverside Santa Ana River Valley, Hills east of Norco. Comment
  UCR219999  Haplopappus venetus A. C. Sanders, D. L. Sanders 2010-11-28 38695 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  RSA0066620  Harpagonella palmeri A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32568 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR99159  Harpagonella palmeri A. C. Sanders, G. Helmkamp 1997-3-15 19993 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  CAS-BOT-BC211542  Helianthemum scoparium A. C. Sanders; Mike Misenhelter 2005-3-23 29272 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd., Wildomar 7.5' Q, Santa Ana Mts. 701 Comment
  RSA598425  Helianthus annuus Scott D. White 1996-9-22 4541 Riverside Perris: Nuevo Road at edge of irrigated alfalfa field, just E of San Jacinto River crossing. 435 Comment
  CAS-BOT-BC305618  Helianthus californicus Ralph Hoffman 1929-9-7 s.n. Riverside San Jacinto Mt. 1828 Comment
  RSA0012942  Helianthus californicus L. C. Wheeler 1931-10-4 202 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  UCR21958  Helianthus gracilentus Steve Boyd 1980-5-13 269 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  UCR271327  Helianthus gracilentus A. C. Sanders, Amy Litt & UCR Pl. Taxonomy Class 2016-5-7 42470 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 old Emerson house site 488 Comment
  UCR41324  Helianthus gracilentus N. M. Fellows, A. C. Sanders 1985-5-7 177 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  CSUSB740  Heliotropium curassavicum Heather Hanson 1966-5-16 Riverside 50 yards east of where the Santa Ana River crosses Van Buren Blvd., in the river bottom. 182 Comment
  UCR139635  Heliotropium curassavicum A. C. Sanders 2004-6-30 28404 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR41639  Heliotropium curassavicum A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6092 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SDSU4752  Hemizonella minima D. F. Howe 1941-6-8 1110 Riverside San Jacinto Mts. 1829 Comment
  RSA885  Hemizonia kelloggii J. T. Howell 1928-7-8 1042 Riverside Near Glen Ivy. 396 Comment
  UCR38267  Hemizonia kelloggii Diane L. Ill 1985-5-12 41 Riverside Gavilan Hills, Harford Springs, 1..6 mi south of Cajalco Road on Gavilan Road. Right side of road along Spring 610 Comment
  POM298246  Hemizonia paniculata H. M. Hall 1930-11-9 13025 Riverside Aguanga Hills, 5 miles from Aguanga. Comment
  UCR136198  Hemizonia paniculata A. C. Sanders 2004-6-20 28222 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., hilltop above I-15, SW of main clay pits 378 Comment
  UCR90610  Hemizonia paniculata Scott D. White 1995-6-29 3386 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  UCR96696  Hemizonia paniculata A. C. Sanders 1995-11-26 17922 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  UCR146889  Hemizonia pungens subsp. laevis Kathleen Stockwell 1999-6-6 s.n. Riverside Warm Springs Creek, Murrieta; 0.5 mi. south of Murrieta Hot Springs Road 320 Comment
  UCR66974  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-20 2055 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area; old San Jacinto River channel, c. 880 m NE of Davis Rd. and c. 400 m SW of first waterfowl pond. 476 Comment
  RSA359882  Hesperocnide tenella Steve D. Boyd 1986-4-2 1598 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA715243  Hesperolinon micranthum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32507 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 549 Comment
  UCR174068  Hesperolinon micranthum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32618 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 591 Comment
  SEINET3412080 Image available Hesperoyucca whipplei var. whipplei Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28525 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  SEINET5641181  Hesperoyucca whipplei var. whipplei Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28528 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert, off of Pine View Drive. 1297 Comment
  UCR193868  Heterocodon rariflorum A. C. Sanders, Mitch Provance 2008-7-11 35805 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  CAS-BOT-BC318910  Heterotheca grandiflora Otto T. Solbrig 1958-8-18 2757 Riverside Junction of Highway 71 and 395 on road to Palomar Comment
  UC128672  Heterotheca grandiflora Charlotte M. Wilder 1909-2-20 893 Riverside w. Riverside Comment
  UC1605394  Heterotheca sessiliflora subsp. echioides Steve Boyd 1994-10-14 8381 Riverside San Mateo Canyon at confluence with Bluewater Canyon (benches in canyon bottom); Southern Santa Ana Mountains, Cleveland N.F. 329 Comment
  RSA0036012  Heuchera hirsutissima Robert F. Thorne, Walter Wisura 1977-9-17 50801 Riverside San Jacinto Mountain: summit 3293 Comment
  HSC24986  Hibiscus denudatus R. W. Spjut 1972-2-1 2159 Riverside Colorado Desert, 10 mi. N on Eagle Mtn. Rd. from junction of Inst. 10, 1 mi. W of Desert Center Comment
  JOTR36462  Hibiscus denudatus La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3432 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  RSA701089  Hibiscus denudatus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11251 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA775661  Hibiscus denudatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 806 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  SFV6345  Hibiscus denudatus T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 61 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  UCR180226  Hibiscus denudatus Scott D. White, Pam Devries 2006-3-14 11252 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UCR33778  Hibiscus trionum A. Kishaba 1983-11-10 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, west of Thermal Comment
  CAS-BOT-BC207570  Hoffmannseggia microphylla S. B. Parish 189 4114 Riverside Palm Springs, Colorado Desert Comment
  SD49373  Hoffmannseggia microphylla Thomas W. Whitaker 1958-4-30 Riverside Box Canyon, midway between Mecca & Shaver's Well, in gravelly soil Comment
  SFV6302  Hoffmannseggia microphylla T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 56 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  UCSB3085  Hoffmannseggia microphylla Haller, John 1958-3-22 Riverside Near U.S. Highway 60-70, 7.8 miles east of junction with U.S. Highway 99, near Indio 304 Comment
  SEINET10687049  Hoffmannseggia microphylla David B. Dunn 1946-2-23 Dunn 1983 Riverside Hidden Springs Canyon in the vicintiy of the Palms. Comment
  NY1116474  Hordeum D. K. Christopher 2003-4-6 105 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  UCR272477  Hordeum depressum Mitch Provance 2012-4-12 412- 23 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
  UCR136257  Hordeum marinum A. C. Sanders 2004-4-20 27564 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
  UCR79250  Hordeum marinum subsp. gussoneanum Steve Boyd, T. S. Ross 1992-5-4 7176 A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  RSA6010  Horkelia clevelandii Carl B. Wolf 1932-8-4 3927 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  UCR29005  Horsfordia newberryi A. C. Sanders 1982-12-19 3452 Riverside Sonoran (Colorado) Desert, foot of Santa Rosa Mtns, Coachella Valley, south side of the ridge forming the south boundary of Martinez Canyon; west end of Ave 74, 2.6 miles west of Polk Street 122 Comment
  POM12884  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-7 6056 Riverside Zigzag on trail S of Hidden Lake. 2348 Comment
  RSA0059090  Hulsea vestita subsp. callicarpha Norman C. Cooper 1944-7-16 1556 Riverside San Jacinto Mtn., above Pine Cove. 2073 Comment
  CAS-BOT-BC312603  Hulsea vestita subsp. parryi C. F. Saunders 1915-6-1 s.n. Riverside Summit San Jacinto Comment
  UCD133292  Hulsea vestita subsp. vestita D. H. Wilken 1969-7-29 8202 Riverside Pumice Flats between Agnew and Reds Meadows, near Devils Postpile National Monument, Sierra Nevada. 2286 Comment
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Mar 2 2014
  SEINET11839636  Hulsea vestita var. callicarpha C. W. Tilforth, Wisura, W. 1979-1 1922 Riverside along Thomas Mtn. Rd, 10.4 mi from N jct with Hwy 74, S of Lake Hemet Comment
  POM361062  Hymenoclea salsola L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain on gravelly hillside Colorado River. Comment
  UCR213841  Hymenopappus filifolius Scott D. White, Justin M. Wood 2009-5-21 12860 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  POM2920  Hypericum androsaemum I. M. Johnston 1916-08 s.n. Riverside Strawberry Valley Comment
  RSA739710  Hypericum formosum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35632 Riverside Peninsular Range; San Jacinto Mtns.: May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  CAS-BOT-BC219730  Hyptis emoryi Nancy Ryan Zabriskie 1970-4-27 284 Riverside Outside inner gate of Andreas Canyon Club, near Palm Springs 7 Comment
  CAS-BOT-BC219742  Hyptis emoryi L. S. Rose 1946-12-27 46308 Riverside Dead Indian Creek Wash, Palms-to-Pines Highway, 7 miles southwest of Indian Wells 274 Comment
  JOTR34370  Hyptis emoryi Andre, Jim 2012-4-16 20887 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  PASA1155  Hyptis emoryi M. Stason, F. Brubaker 4/28 Riverside Desert wash - Hidden Springs Comment
  POM126315  Hyptis emoryi Thomas Craig 1927-4-2 5 Riverside Palm Springs. Comment
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Feb 26 2008
  RSA27598  Hyptis emoryi C. L. Hitchcock 1940-3-31 5895 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  RSA420176  Hyptis emoryi A. Menke 1955-4-25 s.n. Riverside Mouth of Tahquitz Canyon, Palm Springs. Comment
  UC63795  Hyptis emoryi H. M. Hall May 17 1901-Jun 1 1901 1838 Riverside Palm Canyon 457 Comment
  UCR19130  Hyptis emoryi John C. Roos 1965-12-4 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 2 mi. SE of Desert Center 366 Comment
  UCR250111  Isocoma menziesii A. C. Sanders 2014-4-9 41004 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  RSA357154  Isoetes howellii Robert F. Thorne 1973-5-23 43852 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  POM13631  Ivesia santolinoides E. C. Jaeger 1921-07 1043 Riverside Ridge to east of Tahquitz Valley 2591 Comment
  CAS-BOT-BC136681  Juglans hindsii R. E. Riefner, Jr. 2009-8-15 09 -174 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca. 1.5 mi W of I-15 Fwy 297 Comment
  RSA612965  Juncus Darin L. Banks 1997-3-29 1634 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
  RSA247275  Juncus bufonius G. D. Wallace, D. H. Wilken 1966-7-3 650 Riverside San Jacinto Mountains near Idyllwild, Strawberry Meadows. Comment
  SD234231  Juncus bufonius Mitch Provance 2005-5-18 9806 Riverside Warm Springs Valley: Nichols road wetland area at Alberhill Creek, S of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both eht NE and SW sides of Baker St. in the city of Elsinore (Lake Elsinore 7.5' Q) 395 Comment
  UCR96895  Juncus bufonius Scott D. White 1993-3-12 1150 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  UCR127145  Juncus bufonius var. congestus A. C. Sanders, Guy Bruyea 2003-6-12 26887 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  RSA601211  Juncus effusus subsp. austrocalifornicus Scott D. White 1996-8-15 4463 Riverside San Jacinto Mountains, Idyllwild Area: Alvin Meadows and unnamed canyon upstream. USGS Blackburn Canyon 7.5 topo (immed. adjacent to Idyllwild topo) 1524 Comment
  UCR128302  Juncus effusus subsp. austrocalifornicus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8641 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  RSA0123702  Juncus macrophyllus Duncan S. Bell, Thomas Stoughton 2016-4-12 9236 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.75 air miles northwest of Rabbit Peak. 698 Comment
  RSA575973  Juncus macrophyllus Steve Boyd 1981-1-25 s.n. Riverside Gavilan Hills region, south flank of the range in Arroyo del Toro. Bull Canyon Road. Comment
  RSA617722  Juncus macrophyllus Scott D. White 1996-8-1 4429 Riverside Idyllwild Area: Highway 243 at Deer Springs trailhead and adjacent area., 33 deg 45N, 116 deg 43 W. 1707 Comment
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May 26 2008
  UCR40551  Juncus macrophyllus Steve Boyd 1985-7-23 1020 Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  UCR266359  Juncus mexicanus D. E. Bramlet 2005-6-28 3883 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  UCR35287  Juncus mexicanus L. B. Ziegler 1972-7-12 490 Riverside San Jacinto Mtns., Hemet (Garner) Valley. 1372 Comment
  UCR193494  Juncus oxymeris A. C. Sanders, Tim Thomas 2008-6-20 35542 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR207678  Juncus rugulosus G. R. Ballmer 2005-12-3 s.n. Riverside Transverse Range; San Bernardino Mtns., Whitewater River Canyon 610 Comment
  UCR156462  Juncus sphaerocarpus T. B. Salvato, A. C. Sanders 2005-5-17 900 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  RSA526136  Juncus tiehmii Steve Boyd, Timothy S. Ross 1990-5-11 4649 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  SDSU1840  Juniperus californica A. H. Gallup 1949-3-28 357 Riverside Palms to Pines Hwy. above Desert Center [interpreted to be Palm Desert], in dry wash, east slope, San Jacinto Mt. Range, Colorado Desert drainage area 762 Comment
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Jan 30 2013
  UC1543056  Juniperus californica Donald G. Nelson 1936-5-22 400 Riverside near base Santa Rosa Mountains (Ribbon Wood Camp, Pines to Palms Highway, on trail down to stream in Palm Springs Canyon, along trail to Palm Canyon from Ribbon Wood Camp) Comment
  CAS-BOT-BC234575  Justicia californica Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CHSC90  Justicia californica V. Holt 1935-4-1 Riverside Near Palm Springs. 304 Comment
  RSA402291A  Justicia californica N. C. Cooper 1949-4-8 3274 Riverside Shaver's Summit east of Indio. 610 Comment
  UC888143  Justicia californica N. Dunn and A. M. Martin 1932-3-26 Riverside Shaver's Well Comment
  RSA781421  Kallstroemia californica Duncan S. Bell 2011-10-22 3001 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UCR89730  Kallstroemia californica J. M. Stewart 1990-9-23 661 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  CAS-BOT-BC434233  Keckiella antirrhinoides Tracy Tennant; Jeffrey Ross 1998-4-30 MOR- 01 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon. 741 Comment
  UCSB6147  Keckiella antirrhinoides Keator, Glenn 1959-5-16 Riverside 14 miles southwest of Banning in foothills; on highway to Idyllwild Comment
  CAS-BOT-BC236715  Keckiella antirrhinoides subsp. antirrhinoides Mrs. E. C. Van Dyke 1928-7-10 s.n. Riverside Near Idyllwild Comment
  RSA293260  Keckiella ternata subsp. ternata D. C. Michener 1980-6-11 3676 Riverside Thomas Mtns. Semi-open chaparral Pinus transition ca 1.7 mi. along Thomas Mtn road [6S13] from jct with CA 74 near Lake Hemit. 1450 Comment
  UCR96416  Koeleria macrantha Scott D. White 1996-8-1 4421 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  CAS-BOT-BC273670  Koeleria pyramidata H. M. Hall 1901-6-1 2131 Riverside San Jacinto Mountains. Santa Rosa Mountain. Dry hillsides of Coyote Canyon 1584 Comment
  CAS-BOT-BC61438  Krameria bicolor F. Almeda 1976-6-5 2824 Riverside 4-5 mi. N of Interstate Hwy. #10 off of Whitewater Canyon Road Comment
  JOTR36084  Krameria erecta La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3311 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  RSA0111979  Krameria grayi Duncan S. Bell 2009-8-15 417 Riverside Northwest of the Arica Mountains. 300 Comment
  RSA651632  Krameria grayi T. Strid 1972-4-30 s.n. Riverside Corn Springs C.G. 1677 Comment
  UCR202038  Krameria grayi Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  SEINET11446730 Image available Laennecia coulteri H. M. Hall 5941 Riverside Palo Verde Valley 76 Comment
  UCD63410  Lamarckia aurea F. M. Reed 1933-5-20 7692 Riverside Riverside. Comment
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May 1 2011
  POM320423  Lamarckia aurea David Wheat 1968-5-16 134 Riverside 4.4 miles W corner Washington Ave-Guava Street, Murietta in Rancho California 427 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
  UCR86653  Lamium amplexicaule A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16262 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
  RSA621500  Lamium amplexicaule D. L. Banks 1997-11-15 2201 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  POM8310  Larrea tridentata Mary F. Spencer 1920-4-9 223 Riverside In desert sand. Palm Springs. 122 Comment
  RSA0070269  Larrea tridentata Cheryl Sevilla, Sarah J. De Groot 2015-3-16 20 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 784 Comment
  RSA390011  Larrea tridentata N. R. Zabriskie 1969-4-1 174 Riverside Andreas Canyon, near Palm Spring. 366 Comment
  RSA77839  Larrea tridentata F. W. Peirson 1914-04 2027 Riverside Whitewater, Colorado Desert. Comment
  SBBG119618  Larrea tridentata P. V. Wells 1963-3-25 Riverside Palm Desert Comment
  RSA753534  Lastarriaea coriacea M. Wall 2009-5-29 513 Riverside Bautista Canyon east of Hemet, ca. 8 miles SE of jct. with Fairview Ave. 756 Comment
  SEINET6083065  Lasthenia californica Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  SEINET7073465  Lasthenia californica 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
  POM361558  Lasthenia coronaria M. B. Dunkle 1935-3-10 4356 Riverside Temescal Canyon 243 Comment
  POM361562  Lasthenia coronaria Ora M. Clark 1929-2-22 1585 Riverside N. Whitewater. Comment
  RSA145922  Lasthenia coronaria William McKinley Klein, J. E. Klein 1958-2-9 20 Riverside 4.5 mi. northwest of Alberhill (Calif. hwy 71). Comment
  UCR101839  Lasthenia coronaria B. G. Pitzer 1997-4-1 3061 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR91424  Lasthenia coronaria Scott D. White 1995-3-30 2657 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
  RSA0035240  Lasthenia glabrata Andrew Haimov, April Sleigh 1992-4-20 77 Riverside 20 meters east of Davis Road, 1 1/2 miles north of Ramona Expressway, San Jacinto Wildlife Area access road. Comment
  POM6006  Lasthenia glabrata subsp. coulteri P. A. Munz 1918-4-27 2159 Riverside Murrieta Comment
  UCR104636  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1996-4-12 2452 Riverside San Jacinto Wildlife Area. 46m S and 23m west of the N end of Pond No. 1. 1.4 km NE of the reserve at Davis rd. 433 Comment
  UCR92704  Lasthenia gracilis A. C. Sanders, S. Hawkins 1996-4-24 18078 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  SEINET238557  Lathyrus vestitus George K. Helmkamp 1998-6-27 4119 Riverside Santa Rosa Mtns.: 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. below Mountain Home Spring. 1799 Comment
  POM12943  Lathyrus vestitus subsp. laetiflorus P. A. Munz, I. M. Johnston 1922-5-19 5397 Riverside San Jacinto Canyon 1371 Comment
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Oct 1 2011
  JEPS64869  Lathyrus vestitus var. vestitus W. L. Jepson 1939-4-19 19212 Riverside 3 mi s Aguanga; Dripping Spring 731 Comment
  SEINET4010588 Image available Layia glandulosa O. M. Clark 1929-1 1669 Riverside South Cabazon, southern California. Comment
  JEPS29302  Layia platyglossa Rimo Bacigalupi and L. Heckard 1962-3-25 8397 Riverside at e base of the Santa Ana Mountains about 5 mi se of Corona; Bedford Canyon Comment
  UC30661  Layia platyglossa W. G. Wright 1889-1-1 1751 Riverside borders Colorado Desert Comment
  UCR16695  Layia platyglossa subsp. campestris E. W. Lathrop 1971-3-21 7454 Riverside Santa Ana Mtns., Cleveland National Forest, Trabuco District, Bedford Truck Trail 1220 Comment
  UCR48351  Layia platyglossa subsp. campestris Steve Boyd 1986-4-22 1764 Riverside Temescal Canyon, W side of Indian Wash, south of I-15 Comment
  UCR109728  Leersia oryzoides T. W. Fisher 1963-11-12 s.n. Riverside Santa Ana River, Riverside 213 Comment
  SD124943  Lemna gibba Robert F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61279 Riverside Sandia Canyon, DeLuz-Murietta Road, along small stream. 259 Comment
  UCR143141  Lepidium dictyotum var. acutidens D. E. Bramlet 1997-3-13 2493 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Nichols Road Wetlands, c. 275-335m SE of Nichols Road, 91m west of Collier Ave. and 196-305 m west of the I-5, east of the dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  JOTR35341  Lepidium fremontii var. fremontii Harding, Mitzi, Mark Wheeler 2012-2-28 107 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; steep-walled, shallow, north-flowing canyon with rocky wash bottom (Stop 4) 361 Comment
  POM118634  Lepidium lasiocarpum Marcus E. Jones 1924-2-26 s.n. Riverside Shaver s Well. Comment
  RSA429930  Lepidium lasiocarpum N. C. Cooper 1945-3-24 1619 Riverside Cabazon. 457 Comment
  RSA681895  Lepidium nitidum Scott D. White 2001-3-13 8162 Riverside Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 442 Comment
  UCR250905  Lepidium nitidum A. C. Sanders 2014-4-18 41019 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  CDA24948  Lepidium strictum A. C. Sanders 2001-5-1 24068 Riverside San Bernardino Valley region; Riverside, UCR campus, off Linden Drive in married student housing area, near corporation yard. Comment
  SD136872  Lepidium virginicum Steve Boyd 1992-4-14 6838 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Western Flank of Bluewater Canyon along Bluewater Trail 341 Comment
  RSA740074  Lepidium virginicum var. pubescens Scott D. White, Justin M. Wood 2008-6-16 12137 Riverside Meadow at Quinn Flat. 1378 Comment
  UCR201452  Lepidium virginicum var. pubescens Scott D. White, Justin M. Wood 2008-6-16 12137 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  RSA525337  Lepidium virginicum var. robinsonii Steve Boyd, Dave Bramlet 1990-4-29 4467 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  SD254575  Lepidium virginicum var. robinsonii D. E. Bramlet 1998-6-4 2632 Riverside North Domenigoni Hills, 3.8 miles ESE (97a^z) of Winchester (Winchester 7.5'Q) 608 Comment
  UCR181623  Lepidium virginicum var. robinsonii Mitch Provance 2004-4-18 7600 Riverside Granitic Knolls of Riverside, Riverside, Versity Hill (Coyote Hill), south side of the UCR campus 418 Comment
  RSA773650  Lepidium virginicum var. virginicum Duncan S. Bell, Colleen Wheeler 2010-7-19 1633 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1383 Comment
  RSA588597  Leptochloa fusca subsp. uninervia D. L. Banks, Steve Boyd 1995-10-17 808 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground;, Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UCR104907  Leptochloa uninervia A. C. Sanders 1997-3-19 20041 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  UCR119807  Leptochloa uninervia A. C. Sanders, Mitch Provance 1999-9-26 23094 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  CLARK-A1528-726  Leptodactylon californicum Fred B. Essig 1964-4-25 28 Riverside Horsethief Canyon Comment
  UC597604  Leptodactylon pungens Philip A. Munz 1937-5-29 15100 Riverside Shumway Santa Rosa Mts., edge of Pinyon Flat (edge of Pinyon Flat) 1219 Comment
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Dec 18 2011
  RSA73688  Leptosiphon ciliatus E. C. Jaeger 1921-7-12 5456 Riverside Dutch Flats, San Jacino Mts. Comment
  POM3569  Leptosiphon floribundus subsp. glaber Robinson, Crocker 1916-3-28 s.n. Riverside Santa Ana Mountains. Comment
  SD227874  Leptosiphon liniflorus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22216 Riverside San Bernardino Mtns.: Morongo Indian Reservation, side canyon E of Middle Branch Millard Canyon (Cabazon 7.5' Q) 1280 Comment
  UCSB37849  Leptosiphon liniflorus Sanders, A. 1980-7-18 Riverside Garner Valley; meadow on the floor of the valley near the junction of the Thomas Mtn. Rd. with Hwy. 7b, about 1 mile SE of the head of Hemet Lake. T 6S, R 3E, SW1/4 of SW2/4 sec. 10 1341 Comment
  UCR92763  Lessingia filaginifolia F. M. Reed 1929-11-8 6683 Riverside San Jacinto Mtns/Colorado Desert,, mouth of Snow Creek Canyon 300 Comment
  JEPS20574  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2929 Riverside top of control on road to Hemet (Mt. San Jacinto); Mt. San Jacinto Comment
  RSA506443  Lessingia glandulifera var. glandulifera Kathy Harper 1988-6-11 s.n. Riverside Bautista Canyon, lower end of Bautista Rd. Comment
  RSA783053  Lessingia glandulifera var. glandulifera J. D. Olmsted 1959-8-18 799 Riverside Reservoir Hill at Desert Sun School near Idyllwild. 1646 Comment
  UC1287413  Lessingia glandulifera var. glandulifera Willard Spence 1960-8-24 583 Riverside 4.7 mi e of Anza; Road to Santa Rosa Summit 1371 Comment
  RSA123479  Leymus triticoides H. S. Yates 1937-6-27 6718 Riverside Near Hemet Reservoir. 1341 Comment
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Nov 26 2008
  RSA3576137  Lilaea scilloides Robert F. Thorne 1973-5-23 43874 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  SD137973  Lilium humboldtii subsp. ocellatum Darin L. Banks, Victor Steinmann 1995-7-10 749 Riverside Northwest Palomar Mtns; Agua Tibia Mtns; Cleveland Nat'l Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, south of lower Arroyo Seco, northwest of Wildhorse Peak, in major drainage that flows off the northwest flank of Wildhorse Peak 609 Comment
  UCR40274  Limnanthes gracilis subsp. parishii K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 892 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  UCR127856  Limonium ramosissimum R. E. Riefner Jr. 2003-5-27 03- 241 Riverside Elsinore Trough, back basin of Lake Elsinore, Malaga Rd. near Mission Trail, SE of intersection 390 Comment
  POM13331  Linanthus bigelovii E. C. Jaeger 1921-4-1 1095 Riverside Pinon Flat. Comment
  POM9011  Linanthus californicus P. A. Munz, R. D. Harwood 1920-3-20 3394 Riverside Glenn Ivy 335 Comment
  OBI52759  Linanthus dianthiflorus L. LaPre, J. Easton 1988-1-27 Riverside Santa Rosa Plateau, Mesa de Burro, Santa Rosa Springs Ranch Comment
  UCR31808  Linanthus floribundus Steve Boyd 1982-3-11 s.n. Riverside Brown Canyon, Brown Canyon 7 miles SE of Hemet 701 Comment
  RSA517246  Linanthus jonesii Steve Boyd, Orlando Mistretta 1986-3-13 1459 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UCR16665  Linanthus jonesii Robert A. Clark 1966-3-5 030566- 6 B Riverside Sonoran (Colorado) Desert, 8 miles east of Mecca on State Hwy 195 and about 3 miles up Box Canyon 15 Comment
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Sep 7 2011
  UCR249505  Linanthus jonesii T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7287 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
  UCR19601  Linanthus lemmonii T. W. Minthorn 1926-5-13 s.n. Riverside East of Banning Comment
  UCR26172  Linaria canadensis John C. Roos 1947-3-15 3346 Riverside San Jacinto Valley, Valle Vista, east of Hemet 549 Comment
  HSC86138  Linum lewisii B. Freeman 1969-6-14 6906143 Riverside University of California James Reserve, San Jacinto Mtns., E of James House. Comment
  UCR25552  Lithophragma affine John C. Roos 1941-4-19 168 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  UCR81100  Lithophragma bolanderi Scott D. White 1993-5-29 1475 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 2134 Comment
  RSA775723  Loeseliastrum matthewsii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 958 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  SBBG81479  Loeseliastrum matthewsii S. A. Junak 1983-3-23 1624 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  JEPS69807  Loeseliastrum schottii W. L. Jepson and H. M. Hall 1901-5-30 1552 Riverside Temecula R. between Aguanga and Temecula; Temecula R. Comment
  POM47233  Loeseliastrum schottii Mary F. Spencer 1920-4-9 1567 Riverside Palm Springs. Comment
  RSA676084  Loeseliastrum schottii Scott D. White 2001-4-12 8315 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
  SBBG5939  Loeseliastrum schottii H. and M. Dearing 1949-4-5 6739 Riverside near Mecca Comment
  JOTR34008  Logfia filaginoides La Doux, Tasha, M. Harding 2010-4-7 2896 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA180346  Lomatium dasycarpum subsp. dasycarpum E. W. Lathrop 1965-5-9 5717 Riverside 6 miles W of Murrieta. Comment
  SEINET13944702 Image available Lomatium lucidum J. C. Roos 1965-1 sn Riverside Skyline Drive, south of Corona, Santa Ana Mountains. Comment
  UCR34986  Lomatium mohavense L. B. Ziegler 1969-5-30 368 Riverside San Jacinto Mtns, Hemet Valley 1387 Comment
  CLARK-A1656-675  Lomatium utriculatum Milton Walker 1978-3-28 Riverside San Jacinto Mountains 1066 Comment
  UCR104803  Lonicera interrupta A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20678 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
  SDSU2947  Lonicera subspicata Charles F. Phleger 1962-5-23 Riverside Land owned by the Schloss Foundation about 25 miles north of Escondido. Comment
  UCR154388  Lonicera subspicata A. C. Sanders, Mike Misenhelter 2005-6-15 30985 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
  RSA180334  Lonicera subspicata var. denudata E. W. Lathrop 1965-5-18 5762 Riverside 8 miles W of Murrieta; hills around 300 ft high. 609 Comment
  SEINET2062200  Lotus argophyllus var. argophyllus B. Pitzer, A. C. Sanders 1987-4-21 498 Riverside Hot Springs Mountanis, near S-most radio towers, Riverside East 7.5' Quad. Comment
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Feb 22 2014
  UC56579  Lotus argophyllus var. argophyllus H. M. Hall Apr 1902 2899 Riverside vicinity Sage 762 Comment
  POM229795  Lotus argyraeus var. argyraeus P. A. Munz 1937-5-30 15136 Riverside Santa Rosa Peak. 2409 Comment
  RSA406159  Lotus hamatus N. R. Zabriskie, Walter M. Zabriskie 1973-4-3 609 -a Riverside Top of Poorwill Canyon, Andreas Canyon area, est slope San Jacinto Mountains 427 Comment
  UC1784125  Lotus hamatus Milo S. Baker Apr 3-4 1928 2804 c Riverside Tahquitz Canon near Palm Springs, California Comment
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Aug 18 2010
  UCR228819  Lotus hamatus A. C. Sanders 2011-4-26 39330 Riverside Peninsular Range, Alberhill Mountain, south side near Nichols Rd., c. 350 m WNW (276 deg. ) of Nichols Rd. & Pierce St. intersection 395 Comment
  RSA736699  Lotus nevadensis var. davidsonii Scott D. White 2004-4-26 10251 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  RSA339624  Lotus procumbens R. F. Thorne, C. W. Tilforth 1980-5-28 54164 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  UCR30492  Lotus purshianus John C. Roos 1952-5-26 5721 Riverside Haas' Ranch, Reche Canyon 457 Comment
  JOTR32152  Lotus rigidus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2307 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA406791  Lotus rigidus N. R. Zabriskie, Walter M. Zabriskie 1971-2-15 342 Riverside Andreas Canyon, east slope San Jacinto Mts. 427 Comment
  RSA49188  Lotus rigidus P. A. Munz 1949-4-12 13034 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  UC1922410  Lotus salsuginosus Naomi Fraga, Lisa Rojas 2005-2-10 1364 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR214336  Lotus salsuginosus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38375 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
  UCR157958  Lotus salsuginosus var. brevivexillus T. B. Salvato, A. C. Sanders 2005-5-17 908 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  CDA7756  Lotus scoparius Mike Lahti 2008-5-17 PDR# 1473119 Riverside Hemet, 44955 Clara Rd., Cross-street Grant 0 Comment
  RSA498851  Lotus scoparius var. brevialatus Elizabeth A. White 1928-03 s.n. Riverside Colorado Desert Comment
  UCR155298  Lotus scoparius var. brevialatus T. B. Salvato, Kent Beaman 2005-5-16 793 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  JEPS55859  Lotus strigosus W. L. Jepson 1901-5-17 1227 Riverside Riverside 266 Comment
  RSA498742  Lotus strigosus E. C. Jaeger 1922-3-15 724 Riverside Mecca calif alt 200ft.Colorado Desert region. Comment
  RSA519267  Lotus strigosus Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  UCR155316  Lotus strigosus A. C. Sanders, Mike Misenhelter 2005-3-23 29255 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR16273  Lotus strigosus S. Nelson 1974-5-2 s.n. Riverside San Bernardino Mtns., Banning Canyon 1524 Comment
  RSA776380  Lotus strigosus Amber Swanson 2011-4-8 375 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  RSA406323  Lotus strigosus var. hirtellus N. R. Zabriskie 1970-03 297 Riverside Strawberry firebreak, S of S end of Marion Ridge Rd., Pine cove (Nw of Idyllwild), San Jacinti mtns. 1939 Comment
  UCR108400  Lotus strigosus var. strigosus D. L. Banks, V. W. Steinmann 1997-3-13 1458 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  RSA406407  Lotus strigosus var. tomentellus Gale Sphon 1955-5-21 s.n. Riverside 5 miles north of Lake Fulmore Comment
  RSA480095  Lotus tomentellus Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2184 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA554648  Lotus tomentellus A. C. Sanders, E. J. Lawlor 1992-4-4 12089 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA406279  Lotus unifoliolatus Robert Gustafson, Gary D. Wallace 1983-6-23 2717 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mountains. 701 Comment
  RSA501009  Lotus wrangelianus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3128 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  UC2030128  Ludwigia peploides subsp. peploides Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38144 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Lake Fulmor. Comment
  POM2549  Lupinus arizonicus I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. 152 Comment
  RSA510034  Lupinus arizonicus B. Pitzer, S. Myers, J. Wilkinson 1988-2-21 603 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  RSA779779  Lupinus arizonicus Duncan S. Bell 2010-4-2 688 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  VVC216  Lupinus arizonicus Bland Ewing 1960-2-15 ? Riverside Box Canyon. Hwy 195. 183 Comment
  CLARK-A1656-770  Lupinus bicolor Theo Glenn 1982-3-24 Riverside Snow Creek Comment
  LA212019  Lupinus bicolor Naomi Fraga; Duncan Bell 2009-5-6 2704 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488.0 Comment
  RSA0013030  Lupinus bicolor LeRoy Gross, Caitlin Elam 2013-5-14 6049 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UC1542866  Lupinus bicolor David B. Dunn 1949-4-10 5541- 2 -3 Riverside on the s side of the hiway at Xenica Ave. one mi e Beaumont; e of Beaumont Comment
  UCR116467  Lupinus bicolor A. C. Sanders, T. B. Salvato 2001-3-30 23865 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  RSA619249  Lupinus bicolor subsp. microphyllus R. S. Woglum 1937-5-30 590 f Riverside Peninsular Ranges: Santa Rosa Mountains. [Riverside / San Diego counties] Comment
  UC68638  Lupinus concinnus H. M. Hall May, 1905 6022 Riverside Cottonwood Mts.; Colorado Desert, Cottonwood Mts. 609 Comment
  RSA87459  Lupinus concinnus subsp. optatus F. W. Peirson 1922-5-19 7721 Riverside Road to Keenes Camp, San Jacinto Mts. Comment
  CAS-BOT-BC434236  Lupinus excubitus Tracy Tennant; Mitch Provance 1998-6-16 MOR- 407 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1052 Comment
  UCR187484  Lupinus excubitus Diane Menuz 2006-6-7 148 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, Cleveland National Forest 1050 Comment
  LA205061  Lupinus excubitus var. austromontanus W. Pequegnat; March 1937 125 Riverside Santa Ana Mountains, Coldwater Canyon, E ridge Comment
  CLARK-A1528-2834  Lupinus formosus John C. Roos 1943-5-23 2664 Riverside Little San Bernardino Mountains 1523 Comment
  UCR251965  Lupinus hirsutissimus Max Brodie 2014-4-20 27 Riverside Peninsular Range; Santa Ana Mtns., SW of Lake Elsinore, off South Main Divide Rd. roughly 3 miles south of Hwy 74 851 Comment
  POM123547  Lupinus latifolius subsp. parishii Philip A. Munz, I. M. Johnston 1924-7-27 8729 Riverside Deer Springs, San Jacinto Mts 2500 Comment
  RSA114446  Lupinus latifolius subsp. parishii G. R. Campbell 1956-6-11 21613 Riverside Nursery Seedlings growing under Prop. No. 8412, from seed Fuller Mill Creek, 1.3 miles north of Black mountains. trail, hwy from Banning to Idyllwild. Comment
  RSA678287  Lupinus microcarpus var. densiflorus Michael Wall 2003-5-11 313 Riverside Vacant lot off Ramona Expressway between Donna Ave. and Seventh St. adajacent to Soboba Health Clinic. (currently for sale and development). 506 Comment
  SEINET8056951  Lupinus microcarpus var. densiflorus Unknown 397 Riverside Midlands Comment
  JEPS48832  Lupinus sparsiflorus Marjorie D. Clary 1932-5-25 948 Riverside on road to Pinyon Well n Indio (Berdoo Canyon, s slope of Conchilla Range); s slope of Conchilla Range, Berdoo Canyon Comment
  UC68635  Lupinus sparsiflorus H. M. Hall Apr 1905 5891 Riverside Chuckawalla Springs; Colorado Desert, Chuckawalla Springs Comment
  RSA49351  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1949-4-11 13015 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  POM2531  Lupinus succulentus C. F. Baker 1904-4-5 4189 Riverside Hemet Comment
  UCR60537  Lupinus succulentus C. W. Tilforth, W. Wisura 1979-4-11 1788 Riverside hills at south side of Lake Skinner, east of Murrieta 427 Comment
  RSA524230  Lupinus truncatus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4024 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  VVC231  Lupinus truncatus F. Ambrey 1959-4-29 s.n. Riverside On Pala Rd, 2.4 mi South of jct w St Hwy 71 on north side of rd. 323 Comment
  UCR89576  Lycium andersonii Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  RSA793467  Lycium pallidum var. oligospermum Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-11 4367 Riverside Mecca Hills: at Hidden Spring just off Hidden Spring Canyon, approximately 2.6 air miles south of Shaver Well, or approx. 5.4 air miles northeast of junction of Box Canyon Road and the Coachella Canal. 216 Comment
  POM184354  Lycium torreyi C. Leo Hitchcock 1932-4-7 12196 Riverside 4 mi.S. E. of Blythe, eastern Riverside Co. Comment
  UCR37667  Lycium torreyi J. M. Stewart 1984-11-11 8449 Riverside Sonoran (Colorado) Desert, Biskra Palms Oasis, Indio Hills, Coachella Valley 91 Comment
  SDSU13005  Lythrum californicum Michael G. Simpson 1999-10-27 2047 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  RSA757453  Lythrum hyssopifolia Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55215 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  UCR112316  Lythrum hyssopifolia A. C. Sanders 1998-5-21 21871 Riverside Hemet, alkaline flats west of town, along Stetson Ave. west of Warren Rd. 457 Comment
  UCR117380  Lythrum hyssopifolia A. C. Sanders, T. B. Salvato 2001-5-25 24387 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UCR96865  Lythrum hyssopifolia Scott D. White 1993-4-30 1321 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  RSA450762  Machaeranthera asteroides var. asteroides J. C. Roos 1965-10-5 s.n. Riverside Hemet. Comment
  POM13100  Mahonia dictyota P. A. Munz, I. M. Johnston 1922-5-20 5489 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  UC484191  Malacothamnus densiflorus J. T. Howell 1928-7-8 1056 Riverside above Glen Ivy; Santa Ana Mtns 914 Comment
  OBI37491  Malacothamnus fasciculatus Steve Boyd 1985-7-23 1026 Riverside De Luz rd, 9.8 mi W of Rancho California 244 Comment
  SEINET7048218  Malacothamnus fasciculatus var. fasciculatus Steven R. Hill, Andrew C. Sanders 2001-5-4 33731 Riverside Santa Rosa Plateau, Carancho Road, west side of De Luz Creek valley descending plateau, downslope from 'cut flower' farm. Fallbrook 7.5' quad. About 1370 feet northeast of San Diego county line. Elevation about 610 feet. Comment
  RSA574751  Malacothrix californica Steve Boyd 1983-6-21 s.n. Riverside Gavilan Hills region, Gavilan Plateau, south of Harford Springs Country Park, just south of Ida-Leona Road and west of Piedras Road 610 Comment
  RSA94968  Malacothrix californica F. W. Peirson 1914-04 1478 Riverside Beaumont Comment
  RSA543884  Malacothrix clevelandii Steve Boyd, David E. Bramlet 1991-5-13 6246 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road 549 Comment
  UCR34956  Malacothrix clevelandii L. B. Ziegler 1972-5-30 471 Riverside San Jacinto Mtns., alongside Hwy 74 1341 Comment
  UCR87630  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  SBBG87399  Malacothrix coulteri A. C. Sanders with D. Charlton, B. Pitzer 1986-3-1 6029 Riverside NW end of Hayfield Lake, ca. 0.5 mi SW of the pumping station 411 Comment
  SEINET6810921  Malacothrix glabrata Davis 1957-4-7 34 -57 Riverside 1.1 mi N of on road to Salton Sea Indian Ave; Indian Ave; 1.1 mi N of on road to Salton Sea Comment
  UCR16896  Malacothrix saxatilis var. tenuifolia B. Freeman 1968-5-4 680504- 01 Riverside c. 5 mi west of Beaumont along Calif. Route 60 793 Comment
  UCD116864  Malosma laurina R. Tofsrud 1951-4-25 s.n. Riverside Corona to Elsinore. Comment
  RSA78373  Malva parviflora J. C. Roos, L. Roos 1951-5-5 5034 Riverside Fairmont Park 274 Comment
  UCR272498  Malvella leprosa Mitch Provance 2013-6-18 613- 33 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  RSA541823  Mammillaria tetrancistra H. G. Rush 1948-4-16 s.n. Riverside 2 miles north of Whitewater, east of Hwy 66. Comment
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Jan 14 2010
  CHSC8087  Marah macrocarpa Edward L. Smith 1958-3-6 341 Riverside Located in Cold Water Canyon, Glen Ivy on Tomesal Canyon Road. Santa Ana Mts. 762 Comment
  OBI30076  Marah macrocarpa T. W. Niilus 1970-2-10 N 6 Riverside 6 mi W of Perris at Hartford Spring 91 Comment
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Mar 29 2014
  RSA652413  Marah macrocarpa Douglas A. Springer 1981-2-16 9 Riverside 3.9 miles NW of California State Hwy. 74 on Santa Rosa Rd. approx. 5 miles from Perris. Comment
  SD126049  Marah macrocarpa B. Pitzer, E. Misqez 1988-2-28 617 Riverside SW of Murrieta, Walkder Basin, Avenida del Oro, 2 mi. S of Rancho California Rd. 1399 Comment
  RSA404230  Marina parryi N. C. Cooper 1949-4-8 3295 Riverside Desert Center. 610 Comment
  CAS-BOT-BC348270  Matricaria occidentalis A. C. Sanders; Mitch Provance; T. B. Salvato 2001-5-8 24198 Riverside Perris-Aguanga Basin region: S of Hemet, E end of Diamond Valley, ca. 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  CSUSB1091  Medicago sativa J. Jacobi 1970-5-18 0518 1 Riverside Found in empty lot between Ottowa and Chicago Streets on Seventh Street. 304 Comment
  UCR93253  Melica frutescens D. L. Banks, Steve Boyd 1995-5-3 0273 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
  RSA571861  Melica imperfecta Christopher Davidson 1977-5-18 5622 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1219 Comment
  RSA716373  Melica imperfecta Scott D. White 2006-4-27 11291 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
  SD260875  Melica imperfecta Mitch Provance 2012-5-24 512 15 Riverside San Bernardino Mountains: Banning; foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 868 Comment
  UCR113150  Melica imperfecta A. C. Sanders 1998-3-11 21682 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR2544  Melica imperfecta F. M. Reed 1906-3-17 925 Riverside Riverside. south fork of Arroyo Tequesquite, opposite bee ranch. Comment
  UCR41238  Melica imperfecta N. M. Fellows 1984-3-20 7 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  UCR167270  Melilotus albus 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
  UCR82277  Melilotus albus J. M. Stewart 1994-5-2 855 Riverside Western Colorado Desert, Coachella Valley, Thermal. Polk Street and Airport Blvd. Comment
  RSA770881  Melilotus indicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4605 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA701360  Melilotus indicus Steve Boyd, Aydee Virgen 2004-4-13 10878 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR107766  Mentha D. L. Banks 1997-11-15 2194 Riverside NW Palomar Mtns, Agua Tibia Mtns: N face of Dorland Mtn, on the north side of the Dorland Mtn Arts Colony. Along the margins of a small man-made pond. 549 Comment
  SEINET3004971  Mentzelia affinis G. Rink 2011-3-28 10397 Riverside Desert pavement north of Blythe, east of the McCoy Mtns 115 Comment
  UC672668  Mentzelia affinis H. L. Mason 1928-3-11 4241 Riverside near Indio (desert flats) Comment
  UCSB8381  Mentzelia affinis Yokoyama, Howard 1953-4-12 Riverside Two miles out of Joshua Tree Comment
  POM9390  Mentzelia affinis I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  POM6682  Mentzelia albicaulis P. A. Munz, L. T. Street, Williams 1919-3-27 2345 Riverside Salton Sea Comment
  POM294421  Mentzelia involucrata Lyman Benson, Robert Benson 1952-4-8 14845 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
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Mar 26 2011
  RSA796270  Mentzelia involucrata Jim Andre, Tasha La Doux, R. B. Kelley 2011-5-4 21073 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  SEINET3094632 Image available Mentzelia involucrata Barbara Gayle Pitzer 1998-2-1 3445 Riverside Sonoran (Colorado) Desert; Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCSB4219  Mentzelia involucrata Beeks, Richard 1952-4-4 Riverside 7 miles N of Mecca in Box Canyon Comment
  POM126804  Mentzelia involucrata var. megalantha E. E. Schellenger s.n. Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  RSA264571  Mentzelia longiloba var. longiloba C. W. Tilforth, John Dourley 1977-5-19 1323 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road, between Arica Mtns & Rice Valley. 244 Comment
  RSA734201  Mentzelia micrantha Keith E. Hoffmaster 1934-4-8 132 Riverside Santa Ana Mts. Comment
  SD225013  Mentzelia obscura G. K. Helmkamp 1998-4-4 3145 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd.) 456 Comment
  RSA771698  Mentzelia veatchiana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4698 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65126 604 Comment
  RSA387358  Mesembryanthemum nodiflorum Steve Boyd 1986-4-19 1713 Riverside Warm Springs Valley, Alberhill Creek E of Nichols Road. Comment
  SD146006  Microseris douglasii subsp. douglasii A. C. Sanders, K. C. Rose 1998-5-21 21860 Riverside Hemet; alkaline flats west of town, east of the canal, south of Highway 74 and ca. I(c) mile west of Warren Road (mak 10/07) 456 Comment
  UCR240988  Microseris douglasii subsp. platycarpha D. E. Bramlet 2011-4-16 4800 Riverside Perris-Aguanga Basin Region, West Hemet Hills, 1.15 km east of Winchester Road, 460 m north of Stowe Road 467 Comment
  UCR116505A  Microseris douglasii subsp. tenella A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 746 A Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  CLARK-A1528-2179  Microseris lindleyi Charles Herrick 1974-5-16 Riverside 655 Comment
  POM13138  Microseris lindleyi P. A. Munz, I. M. Johnston 1922-5-20 5456 Riverside Pipe Creek, Hemet Valley 1418 Comment
  UCR91473  Microseris lindleyi Scott D. White, M. Jacobsmeyer 1996-4-20 3961 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  JEPS16749  Mimulus aurantiacus var. pubescens Herbert L. Mason 1926-5-2 3190 Riverside Aguanga Valley Comment
  RSA525424  Mimulus aurantiacus var. pubescens Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4532 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  JOTR32322  Mimulus bigelovii var. bigelovii Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  UCSB44893  Mimulus bigelovii var. bigelovii Collins, Elizabeth 1977-3-29 Riverside Corn Springs Campground; 8 miles south of Hwy. 10 457 Comment
  UC26868  Mimulus bigelovii var. bigelovii W. G. Wright c. 1889 1753 Riverside Colorado Desert and Mojave Desert Comment
  CSUSB886  Mimulus brevipes John Milbauer 1976-5-12 Riverside Pigeon Pass Road. Comment
  UC27107  Mimulus breweri H. M. Hall July 1901 Riverside vicinity Deer Spring (Accordion Creek); San Jacinto Mountains 2590 Comment
  RSA632473  Mimulus floribundus Scott D. White 1998-6-17 6745 Riverside Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan/ Cajalco Rd. jtn. south and east to Santa Rosa Mine/ Post Rd. jtn. 488 Comment
  UCR59689  Mimulus guttatus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3575 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  CLARK-A1528-867  Mimulus longiflorus Fred B. Essig 1964-2-24 20 Riverside La Sierra 670 Comment
  UC26998  Mimulus microphyllus Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  JEPS10588  Mimulus pilosus W. L. Jepson May 17 1901-Jun 1 1901 1583 Riverside wash near Corona Comment
  UC26917  Mimulus pilosus H. M. Hall 1901-7 2586 Riverside Tamarack Valley San Jacinto Mountains 2499 Comment
  POM12787  Minuartia douglasii P. A. Munz 1922-6-23 5773 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  RSA525349  Minuartia douglasii Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4447 Riverside Vail Lake area, benches along Kolb Creek, W of Dripping Springs, N of Hwy 79. 488 Comment
  RSA586872  Minuartia douglasii D. L. Banks, Steve Boyd 1995-5-3 0291 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SEINET204358  Mirabilis californica R. Bacigalupi, L Heckard 1962-3-25 8405 Riverside Nr hdwtrs Temescal Wash/Canyon W base Estelle Mt opposite Indian Cyn 3.3 mi NW Alberhill on Hwy 71 305 Comment
  UCR115410  Mirabilis californica Mitch Provance 1999-4-3 1753 Riverside City of Riverside, SW side of 'Royal Hill', 0.25 miles east of the corner of Victoria Ave. and Arlington Ave. 351 Comment
  UCR182994  Mirabilis laevis Mitch Provance 2003-5-5 4419 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  CAS-BOT-BC434703  Mirabilis laevis var. crassifolia Ivan Johnston 1917-4-4 1090 Riverside Colorado Desert. Mouth of Andreas Canon [Canyon] 243 Comment
  UC75793  Mirabilis laevis var. crassifolia Miss M. A. King 1893-1 Riverside Menifee Comment
  POM14769  Mirabilis laevis var. retrorsa Alice Eastwood 1913-4-30 3107 Riverside Palm Springs. Comment
  UC665881  Mirabilis laevis var. retrorsa Ira L. Wiggins 1941-3-27 9696 Riverside Slopes 4 miles N of Whitewater Comment
  UC68665  Mirabilis laevis var. retrorsa H. M. Hall Apr 1905 5798 Riverside 10 mi W of Coachella, Colorado Desert 91 Comment
  SEINET11942042  Mirabilis tenuiloba Unknown 1936-1 12846 Riverside Colorado Desert, N of Palm Springs Comment
  CLARK-A1528-4227  Mohavea confertiflora John C. Roos 1947-2-14 3252 Riverside Eagle Mountains Comment
  RSA408770  Mohavea confertiflora Robert Gustafson 1983-3-27 2479 Riverside Dry rocky canyon southwest of Lake Cahuilla. Comment
  RSA4943  Mohavea confertiflora Carl B. Wolf 1932-4-27 3054 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  UC963920  Mohavea confertiflora H. K. Wagnon 1944-3-12 337 Riverside Cathedral City, n side of Cathedral Canyon Cathedral Canyon; Cathedral City, Cathedral Canyon Comment
  UCSB31044  Mohavea confertiflora Steele, R. 1977-3-26 Riverside Box Cyn Road, 5 mi SW of Interstate 10 on 365 Comment
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Dec 2 2014
  UC2026403  Mollugo cerviana Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10050 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  UC25504  Monardella australis subsp. australis H. M. Hall July, 1901 2486 Riverside Tamarack Valley San Jacinto Mountains 2804 Comment
  UC729900  Monardella australis subsp. australis Carl B. Wolf 1932-8-5 3964 Riverside on trail from Tahquitz Valley to San Jacinto Peak (100 yds. beyond first real wet meadow on trail, head of fork of creek); San Jacinto Mts., Tahquitz Creek 2743 Comment
  CAS-BOT-BC220021  Monardella breweri subsp. lanceolata L. R. Abrams 1912-7-11 4922 Riverside Sugar Loaf [Sugarloaf] Valley Comment
  UCR35343  Monardella breweri subsp. lanceolata L. B. Ziegler 1966-8-10 078 Riverside San Jacinto Mtns., Saunders Meadow, Idyllwild 1677 Comment
  POM230697  Monardella lanceolata var. lanceolata I. W. Clokey, E. G. Anderson 1935-8-21 6870 Riverside North fork, San Jacinto River. 1500 Comment
  LA62720  Monardella linoides subsp. linoides Carl Epling; June 1938 sn Riverside Palms to Pines Highway Comment
  UCR220072  Monardella linoides subsp. linoides Mark A. Elvin 2004-8-3 3653 Riverside Peninsular Ranges: San Jacinto Mountains, Garner Valley, east of Hwy 74, southof Fobes Ranch Road, north of Morris Ranch Road 1402 Comment
  UC25485 Image available Monardella macrantha subsp. hallii H. M. Hall 1898-7-4 976 Riverside canyon of San Jacinto River San Jacinto Mountains 1310 Comment
  LA96111  Monardella nana Elizabeth McClintock; 1940-5-26 11 Riverside about 1.5 mi. W of Pinon Flats, Pines to Palms Highway Comment
  UC1499921  Monardella nana E. McClintock, H. Lewis 1941-6-29 76 Riverside Road up Santa Rosa Mt., 1/2 mi beyond canyon where stream crosses road Comment
  RSA750310  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 126 Riverside San Jacinto Mountains. Trail to Hidden Lake. Comment
  SEINET2065884 Image available Monardella nana subsp. tenuiflora Noel H. Holmgren, Liew Fah Seong 1969-6-17 3579 Riverside San Jacinto Mountains, County Road R1, 1/4 mile above Bay Tree Spring. Comment
  SEINET945637  Monardella robisonii K. Stolte 1979-1 Riverside Joshua Tree National Monument. Zoo Rock. A small mound of rock on the south side of Monument Route 2, 3.8 miles NW of the entrance to Lost Horse Ranger Station. Collected on the western aspect of Zoo Rock. Comment
  RSA556441  Monolepis nuttalliana Julie Greene 1993-4-17 1206 Riverside San Jacinto Wildlife Area. W of San Jacinto River, W of Davis Rd. 439 Comment
  POM363590  Monoptilon bellioides Gus Gluechert 1937-4-24 s.n. Riverside San Jacinto Mts Comment
  SBBG100856  Monoptilon bellioides W. L. Halvorson 1977-2-5 77 -18 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UC1287113  Monoptilon bellioides C. L. Hitchcock 1966-3-20 24306 Riverside 20 mi n Ogilby (along road to Blythe) Comment
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Mar 2 2013
  UCR148442  Monoptilon bellioides John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR213931  Monoptilon bellioides Naomi Fraga, Lisa Rojas 2005-2-10 1350 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  CLARK-A1528-4754  Muhlenbergia microsperma John C. Roos 1952-4-9 5507 Riverside Riverside 365 Comment
  HSC84169  Muhlenbergia microsperma B. G. Pitzer, L. F. LaPre 1987-3-2 432 Riverside Bundy Canyon, 2 mi SE of Lake Elsinore, 0.5 mi N of Bundy Canyon Road 703 Comment
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Nov 5 2010
  POM12032  Muhlenbergia microsperma Mary F. Spencer 1920-4-1 1537 Riverside In desert sand, Colorado Desert 122 Comment
  SD224803  Muhlenbergia microsperma A. C. Sanders, G. Helmkamp, P. MacKay, et al 1995-3-19 16182 Riverside Coachella Valley/San Jacinto Mtns. Foothills: Chino Canyon near the Palm Spring tram station. 794 Comment
  UCD86846  Muhlenbergia microsperma F. M. Reed 1920-1-25 4155 Riverside Riverside and Vicinity. Box Springs Mountains. 640 Comment
  UCR92185  Muhlenbergia microsperma D. L. Banks, Steve Boyd 1995-5-3 0249 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
  UCD87108  Muhlenbergia rigens F. M. Reed 1934-9-26 8955 Riverside San Jacinto Mts. Creek bed adjoining Herkey Creek Camp. 1341 Comment
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May 1 2011
  CSUSB410  Muilla maritima D. C. Wald 1967-5-17 Riverside Collected in Bernasconi Hills near Lakeview, on north-facing slope opposite Big Rock. 518 Comment
  UCR132933  Muilla maritima 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
  SD181815  Myriopteris newberryi Scott D. White, Tasha La Doux 2000-4-20 7676 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  SJSU8663  Nama demissa R. C. McGehee 1970-4-16 207 Riverside between Wileys Well & Nyland near E end Chocolate Mts 609 Comment
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Apr 2 2017
  SEINET9120535  Nama demissa E. Adams 1978-1 S.N. Riverside Mecca, Box Canyon; desert wash. Comment
  UC724376  Nama demissa var. demissa Aven and Ruth Nelson 1939-3-29 3322 Riverside between Mecca and Hidden Springs; between Mecca and Hidden Springs Comment
  POM8457  Nama demissa var. deserti Mary F. Spencer 1920-4-5 207 Riverside Palm Springs, Colorado Desert. 122 Comment
  UCR209672  Nama stenocarpa Fred M. Roberts, Carol A. Roberts 1999-10-23 5254 Riverside San Jacinto Valley, Mystic Lake, northeast shore near Gilman Hot Springs Road, c. 1.8 km southwest of Eden Peak 433 Comment
  RSA702729  Nassella pulchra Scott D. White, Michael Honer 2004-4-6 10060 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UCR181629  Navarretia atractyloides Mitch Provance 2003-6-7 7608 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  RSA504539  Navarretia hamata Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, SW of Mesa de Burro. Comment
  RSA191425  Navarretia hamata subsp. hamata E. W. Lathrop, R. F. Thorne 1967-9-26 6604 Riverside 6 miles NW of Murieta, Riverside Co. Tenaja Road a the pass enterring valley leading to Tenaja Guard stst. Comment
  UC77717 Image available Nemacaulis denudata var. gracilis S. B. Parish 1896-4-1 4140 Riverside Palm Springs Colorado Desert; Colorado Desert, Palm Springs Comment
  CAS-BOT-BC416317  Nemacladus glanduliferus A. C. Sanders; K. C. Rose 1995-4-27 16735 Riverside Sonoran (Colorado) Desert: Coachella Valley, foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree Nat. Park 548 Comment
  RSA339720  Nemacladus glanduliferus R. F. Thorne, W. Wisura, A. Shmida, R. Whittaker 1978-4-23 52037 Riverside Chino Canyon. Comment
  UCR127937  Nemacladus orientalis A. C. Sanders, E. J. Lawlor 1992-4-4 12118 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA407740  Nemacladus ramosissimus Steve Boyd 1986-5-1 1800 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  UCR127943  Nemacladus ramosissimus A. C. Sanders 1994-5-30 14610 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  SEINET10461104  Nemacladus rubescens Mcneal 1979-4-20 MCNEAL s.n. Riverside Flash flood wash parallel to Highway 195, 9.9 miles southwest of its junction with Interstate 10 Comment
  RSA676117  Nemacladus tenuis var. aliformis Scott D. White 2001-4-3 8251 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR251665  Nemacladus tenuis var. aliformis Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 755 B Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  RSA522735  Nemophila menziesii Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3841 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
  UC63798  Nemophila menziesii H. M. Hall 1897-3-20 406 Riverside Temescal Mts. 457 Comment
  UC63802  Nemophila menziesii H. M. Hall May 17, 1901-Jun 1, 1901 1806 Riverside Strawberry Valley Comment
  UCR224996  Nicotiana clevelandii Dave Silverman, Onkar Singh 2010-3-27 7861 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 4.8 km WSW of Mesaville siding, W of A Canal/Levee Blvd, & c. 6 km N of Blythe Airport 131 Comment
  JOTR28913  Nicotiana obtusifolia La Doux, Tasha 2004-2-24 1148 Riverside Joshua Tree National Park. Trail to Lost Palms Oasis, southeast of Cottonwood Oasis 914 Comment
  RSA278981  Nicotiana obtusifolia Barry A. Prigge, L. Martinez 1978-3-23 2431 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UC279712  Nicotiana obtusifolia unknown 1926-2-20 Riverside near Salton (Canyon Springs Wash); Canyon Springs Wash Comment
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Nov 5 2011
  UCR104846  Nicotiana obtusifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2665 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  RSA0018761  Nicotiana obtusifolia Philip A. Munz 1932-3-14 12010 Riverside Magnesia Spring Canyon, Coachella Valley. 91 Comment
  UC844076  Nolina bigelovii Carl B. Wolf 1932-10-13 4315 Riverside 1/2 mi before reaching Cottonwood Springs; Colorado Desert, Eagle Mts. 289 Comment
  CAS-BOT-BC131880  Nolina parryi Peter H. Raven 1958-5-18 13002 Riverside Just below [Pinon] Pinyon Flats on State Highway 74, San Jacinto Mountains Comment
  JOTR29586  Nolina parryi Andre, Jim 2006-4-26 6779 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  RSA102325  Nolina parryi S. B. Parish, W. F. Parish 1882-06 910 Riverside Coahuilla, San Jacinto Mountains. Comment
  SD80949  Nolina parryi James Henrickson 1971-7-29 5575 Riverside 10 mi. SW of Twentynine Palms, 1 mi. N of Salton View, in hills 1280 Comment
  UC575034  Nolina parryi C. Epling and Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  UC63870  Nolina parryi H. M. Hall July 1901 2432 Riverside lower end San Jacinto Mts., Tahquitz Val. 1828 Comment
  CHSC8395  Oenothera Edward L. Smith 1957-4-3 234 Riverside 1 mi. n on hwy. 99 to 29 Palms. San Bernardino Mts. 91 Comment
  CSUSB206  Oenothera deltoides Sally Bell 1964-3-15 Riverside Cathedral City, in dry wash about 300 yards behind Travel Lodge Trailor Park off Highway 111. 91 Comment
  SBBG61311  Oenothera deltoides R. C. and J. R. Robbins 1933-2-16 Riverside Palm Springs-Indio Rd, near La Quinta Comment
  UCR16380  Oenothera deltoides S. J. Southwell 1971-5-2 s.n. Riverside Sonoran (Colorado) Desert, Windy 'Gap' [Point] sand dune, c. 10 mi. NW of Palm Springs on Hwy 111 305 Comment
  UC1252002  Oenothera deltoides subsp. deltoides William M. Klein 1959-3-1 805 Riverside along La Quinta Rd 0.5 mi s junction of U.S. Highway 60-99 (about 6 mi nw of Indio); Bermuda Dunes 60 Comment
  UCSB4503  Oenothera deltoides subsp. deltoides Beeks, Richard 1952-4-5 Riverside 12 miles E. of Shaver Summit Comment
  UCR113976  Oenothera elata subsp. hirsutissima Mitch Provance 2000-6-24 2044 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  JOTR35316  Oenothera primiveris subsp. bufonis Kain, Katie, C. Veety 2012-2-29 s.n. Riverside Joshua Tree National Park. Pinto Wash; eastern Eagle Mountains, large wash south of dunes and north of basalt outcrops 320 Comment
  RSA399181  Oligomeris linifolia Robert M. Perkins, H. de Forest 1937-3-15 s.n. Riverside 20 miles East of Indio. Comment
  SEINET7259361 Image available Oligomeris linifolia Leila M. Shultz, John S. Shultz 1985-1 5323 Riverside Chuckawalla Mountains at Corn Springs 518 Comment
  UC665851  Oligomeris linifolia Ira L. Wiggins 1941-3-24 9581 Riverside 3.5 mi s Mortmar (beach along eastern margin of Salton Sea); along eastern margin of Salton Sea Comment
  UC69147  Oligomeris linifolia H. M. Hall June, 1905 6238 Riverside vicinity Riverside (Gavilan Hills); Gavilan Hills 365 Comment
  CLARK-A1528-2863  Olneya tesota John C. Roos 1965-12-4 Riverside Colorado Desert 365 Comment
  UCSB26259  Olneya tesota Haller, John 1960-4-2 Riverside North side of U.S. Highway 60-70, 3.1 miles east of Desert Center 243 Comment
  SEINET1004536  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2005-1 30239 Riverside Perris Basin: San Jacinto Valley, Gilman Springs Rd., at Quail Lake Golf Course. (El Casco 7.5' Quad) 439 Comment
  UCD134650  Oncosiphon piluliferum John Green 2005-5-4 s.n. Riverside Perris-Aguanga Region: SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base. 533 Comment
  RSA543162  Opuntia basilaris Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6092 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  SEINET10447232  Opuntia basilaris David B. Dunn 1946-3-15 Dunn 2030 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills. Sparse Desert scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  CAS-BOT-BC59013  Opuntia littoralis Carl B. Wolf 1938-6-11 9421 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  UCR48381  Opuntia littoralis Steve Boyd 1986-5-7 1833 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  POM285344A  Opuntia phaeacantha Lyman Benson 1955-12-6 15624 Riverside 3 miles east of Cabazon.US 99. Colorado Desert. 457 Comment
  UC887977  Orobanche bulbosa P. A. Munz and I. M. Johnston 1922-5-19 5330 Riverside 5 mi ne of Murietta 457 Comment
  JEPS70889  Orobanche cooperi L. R. Heckard 1973-4-24 3321 A Riverside 16.3 mi. n. Desert Center (on rd. to Rice) 243 Comment
  JEPS85944  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4522 Riverside ca 16 mi ne Desert Center (along Rice Rd) Comment
  JEPS85953  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4531 Riverside ca. 16 mi. n.e. Desert Center (along Rice Rd.) Comment
  UC1324937  Orobanche cooperi H. U. Stauffer and R. F. Thorne 1964-5-5 5924 Riverside 6.5 km s of Morongo Valley (4.8 km s of County border) 550 Comment
  UCSB13105  Orobanche cooperi Dearing, Hugh; Dearing, Margaret 1940-1-1 Riverside Desert Sand, N.E.of Mecca Comment
  UCSB7506  Orobanche cooperi Hurd, Richard 1956-4-14 Riverside 1 mile south of Joshua Tree 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
  CAS-BOT-BC502862  Orobanche cooperi subsp. cooperi Ynez Whilton Winblad 1937-4-22 s.n. Riverside Box Canyon Comment
  JEPS10835  Orobanche fasciculata W. L. Jepson and H. M. Hall May 17-June 1, 1901 1463 Riverside Santa Rosa Peak and Palomar. Van Deventer's Ranch. Comment
  RSA0081029  Orobanche fasciculata Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2142 Riverside Santa Rosa Mountains. Comment
  RSA0072127  Orobanche ludoviciana var. latiloba Gary Wallace 1967-4-29 721 Riverside NE of the Coxcomb Mtns., 15 mi NE of Desert Center along Parker Dam Hwy. Comment
  RSA402100  Orthocarpus purpurascens G. R. Johnstone 1934-3-27 s.n. Riverside Near Wildomar. Inland route to Temecula. Comment
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Dec 11 2011
  RSA407959  Orthocarpus purpurascens E. Crow 1929-4-7 306 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  RSA660755  Orthocarpus purpurascens Giancarlo Massarotto 1981-4-11 36 Riverside Calico Road 11 miles east of Corona land mark. Comment
  CAS-BOT-BC355748  Osmadenia tenella Steve Boyd 1986-5-1 1794 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  UCR92776  Osmorhiza brachypoda D. L. Banks, Steve Boyd 1995-3-30 0113 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
  RSA618169  Oxalis albicans subsp. californica D. L. Banks 1997-5-5 2017 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  RSA5021  Oxalis californica Carl B. Wolf 1932-3-20 21 Riverside Richman Ranch, 2.5 miles no. of De Luz; S.W. Riverside County. 457 Comment
  SD137700  Oxalis californica Darin L. Banks, Steve Boyd 1995-5-9 360 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, the Dorland Mtn area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 792 Comment
  RSA126711  Oxytheca caryophylloides Peter H. Raven, R. Snow 1957-7-26 11091 Riverside Banning-Idyllwild road, 0.9 miles north of Vista Grande Ranger Station, San Jacinto Mts. Comment
  RSA64889  Oxytheca emarginata F. W. Peirson 1922-5-21 3034 Riverside Hemet Valley, San Jacinto Mts. 1372 Comment
  UC407006  Oxytheca emarginata Edmund C. Jaeger 1922-7-21 Riverside Pines to Palms Trail, e slope of San Jacinto Mountains San Jacinto Mountains 1524 Comment
  RSA652108  Paeonia californica Don Fells 1948-2-15 s.n. Riverside 1/3 mile SE from 6th and California, Norco. 229 Comment
  CAS-BOT-BC327917  Palafoxia arida Mrs. John C. Augsbury 1930-2-1 s.n. Riverside Indio Comment
  CDA8436  Palafoxia arida A. C. Browne 1957-4-6 Riverside 6 miles east of Indio. 0 Comment
  RSA763994  Palafoxia arida Justin M. Wood, D. M. Ray 2010-10-21 3003 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  UCR126443  Palafoxia arida T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 44 Riverside Coachella Valley, 50th St. at Filmore, 2.5 mi east of town of Coachella -8 Comment
  SEINET10799066  Palafoxia arida David B. Dunn 1946-3-15 Dunn 2038 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  RSA0043062  Palafoxia arida var. arida Jim Andre 2014-1-27 26663 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  UCR163069  Panicum alatum var. minus B. G. Pitzer, G. R. Ballmer 2000-10-14 4222 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  UCR82985  Panicum capillare A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15810 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UCR109512  Panicum urvilleanum Stan C. Spencer 1999-7-1 DEC 831 1 Riverside San Jacinto Valley, sandy bottom of San Jacinto River channel, about 100 m north of Main Street, eastern edge of San Jacinto 488 Comment
  RSA614534  Papaver californicum A. C. Sanders 1997-5-4 20631 Riverside UTM 10km cell: NH-1E, 4N. Vista Grande. 1067 Comment
  CAS-BOT-BC274188  Pappostipa speciosa Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  CLARK-A1045-123  Parietaria floridana George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  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
  CAS-BOT-BC413394  Parietaria hespera var. hespera Milo S. Baker 1928-4-3 2779 a Riverside Palm Canon [Canyon] Comment
  POM8165  Parietaria hespera var. hespera Mary F. Spencer 1920-4-3 1620 Riverside Palm spring 152 Comment
  RSA387326  Pectis papposa Aaron Liston, Thomas S. Elias, Oscar Dorado, S. Zona 1986-11-29 643 -2 Riverside Joshua Tree National Park. Cottonwood Springs. Comment
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Oct 9 2010
  RSA782000  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 106 Riverside East side of the West Riverside Mountains. Highway 62 to NS857 (Radio Tower Road) to NS 853 to 7 Wash Road. Vidal Valley. 348 Comment
  UC90553  Pectis papposa var. papposa T. S. Brandegee 1901-4-4 Riverside Colorado Desert Comment
  POM368786  Pectocarya heterocarpa Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  SEINET3196396 Image available Pectocarya heterocarpa Andrew C. Sanders 2010-3-22 37516 Riverside Sonoran (Colorado) Desert; Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  UCR214423  Pectocarya heterocarpa A. C. Sanders, Richard Dwerlkotte 2010-3-22 37508 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  UCR216202  Pectocarya heterocarpa Jim Andre, T. La Doux 2009-2-25 10834 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  RSA689370  Pectocarya linearis Scott D. White 2001-4-19 8373 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  SEINET2042518 Image available Pectocarya linearis A. C. Sanders 2001-3-20 23852 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Garnet, N side of 19th Ave.; 0.5 mi (airline) NW of intersection of I-10 and Indian Ave. T3S R4E S15, center 235 Comment
  UCR232790  Pectocarya linearis John F. Green 2008-4-15 0408- 25 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UC1543028  Pectocarya penicillata Donald G. Nelson 1936-5-24 416 Riverside just n Lake Hernet (nw of Thomas Mtn, on Pine to Palms Hwy); San Jacinto Mountains, east slope, Hurky Creek Camp Comment
  UCR20742  Pectocarya penicillata A. C. Sanders, Steve Boyd 1980-5-2 1397 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR112111  Pectocarya peninsularis A. C. Sanders, T. B. Salvato 2000-4-21 23342 Riverside Coachella Valley, east side of the Coachella Canal c. 1/4 mi. north of I-10, 3 miles east of Indio 15 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
  RSA303585  Pectocarya recurvata J. R. Shevock 1972-3-5 1369 Riverside Jeep Road, Anza to Borrego Springs. 305 Comment
  RSA77866  Pectocarya recurvata F. W. Peirson 1920-2-16 1012 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  RSA800055  Pectocarya recurvata J. Andre 2012-3-19 21316 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  SD143996  Pectocarya recurvata A. C. Sanders, P. MacKay, T. Thomas, G. Helmkamp 1997-2-8 19678 Riverside Colorado Desert/San Jacinto Mtns.: Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon. 182 Comment
  SEINET7073385  Pectocarya recurvata A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR256746  Pectocarya recurvata T. B. Salvato, Matthew Malle 2013-4-11 7535 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  UCR47801  Pectocarya recurvata F. R. Fosberg 1932-3-13 10628 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms Canyon 213 Comment
  UC882271  Pectocarya setosa C. L. Hitchcock 1940-4-2 5910 Riverside Joshua Tree National Monument, Cottonwood Springs wash Comment
  RSA509566  Pedicularis densiflora John Adams 1966-4-30 s.n. Riverside 3 mi. above De Luz on dirt road. 915 Comment
  POM292498  Pediomelum californicum Philip A. Munz 1937-5-29 15104 Riverside Public Camp ground at Nightengales [store near Pinyon Flats, camp = P. F. Public Camp], on Palms to Pines Hwy. 1220 Comment
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Dec 18 2011
  SD253463  Pelargonium grossularioides A. C. Sanders 2016-6-26 42518 Riverside Peninsular Range: Riverside, UCR Botanic Garden, at west edge of the herb garden (Riverside East 7.5'Q) 363 Comment
  UCR503  Pellaea andromedifolia Dave Baasch 1972-2-17 720217- 2 Riverside San Jacinto Mountains, San Jacinto Creek 10 mi east of Hemet on State Hwy 74. 747 Comment
  POM9752  Pellaea andromedifolia var. andromedifolia P. A. Munz 1921-12-31 4697 Riverside Andreas Canyon, Palm Springs. Comment
  RSA342567  Pellaea andromedifolia var. andromedifolia R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54071 Riverside San Bernardino Mts: Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA747570  Pellaea mucronata Michael Honer 2003-4-16 1830 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. 640 Comment
  JOTR30842  Pellaea mucronata var. californica Andre, Jim, Tasha La Doux 2008-9-16 10703 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  SDSU13338  Pellaea mucronata var. mucronata C. Matt Guilliams 2000-4-29 Riverside Santa Margarita Ecological Reserve, Insect Trail. 1.5 miles NE of Gavalin Mtn. 305 Comment
  POM9609  Pellaea mucronata var. mucronata I. M. Johnston 1920-5-8 s.n. Riverside Box Springs Grade, near Riverside Comment
  UCR165382  Pennisetum setaceum M. Georgiady 2003-5-22 s.n. Riverside east of Homeland, Calif. Hwy 74, 1.2 km west of Calif. Hwy 79 (Winchester Rd.), south foot of Lakeview Mtns. 485 Comment
  JEPS11205  Penstemon californicus P. A. Munz and I. M. Johnston 1922-5-21 5445 Riverside two mi below Kenworthy (San Jacinto Mts.); , Thomas Valley, below Kenworthy 1371 Comment
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Mar 25 2011
  NY583866  Penstemon centranthifolius H. M. Hall 1899-5-31 s.n. Riverside Smith Mountain on north slope 762.0 Comment
  RSA412457  Penstemon centranthifolius C. Epling, Wm. Robison 1935-6-30 s.n. Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  POM20635  Penstemon clevelandii subsp. mohavensis E. C. Jaeger 1923-5-20 s.n. Riverside Keyes Ranch Comment
  POM4279  Penstemon grinnellii H. M. Hall 1901-07 2548 Riverside Fuller's Mills Mountain. 2134 Comment
  RSA263751  Penstemon heterophyllus var. australis E. W. Lathrop 1968-5-17 6892 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1082 Comment
  UCR151031  Penstemon rostriflorus Scott D. White 1998-7-31 6929 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  RSA180448  Penstemon spectabilis E. W. Lathrop 1965-5-7 5713 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  UCD124329  Penstemon spectabilis K. M. Meyer; A. Townesmith, T. Scott 2007-3-18 134 Riverside San Bernardino National Forest, 1 mile up Little Thomas Mountain Road. (Forest Road 6S13) just south of Lake Hemet from Rt. 74. 1467 Comment
  POM351576  Pentachaeta aurea Elbert Benjamine 1929-5-18 224 Riverside Mt. San Jacinto. Comment
  JOTR16829  Pentagramma triangularis subsp. triangularis Supernaugh, William JR. 1967-2-16 56 Riverside Joshua Tree National Park. 1/4 MILES EAST OF RYAN CAMPGROUND 1316 Comment
  UCR226785  Peritoma arborea Jim Andre 2011-2-9 15903 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
  UCSB12247  Peritoma arborea Creighton, B. 1961-5-7 Riverside 9 miles north Palm Springs, on State Highway 111, in the Coachella Valley 152 Comment
  CAS-BOT-BC77498  Peritoma arborea var. angustata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  HSC79980  Peritoma arborea var. arborea James Henrickson 1973-3-18 8610 Riverside 33 mi. E of Temecula, 5-7 mi. SE of Terwilliger, at N end of Coyote Canyon Rd., first steep grade down to canyon, in wash of Coyote Canyon 762 Comment
  POM19633  Perityle emoryi Mary F. Spencer 1923-6-5 2213 Riverside Soboba Hot Springs, near San Jacinto. 549 Comment
  POM41473  Perityle emoryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA15500  Perityle emoryi L. S. Rose 1935-12-23 35687 Riverside Above Deep Canyon, San Jacinto Mts, 13 miles S of Cathedral City. 610 Comment
  UC565484  Perityle emoryi H. L. Mason 1928-3-10 4248 Riverside road from Indio to Palm Springs Comment
  CAS-BOT-BC419046  Persicaria lapathifolia Philip A. Munz 1935-10-21 14653 Riverside Santa Ana River below Rincon Comment
  RSA444948  Petalonyx thurberi Anstruther Davidson 1903-5-1 s.n. Riverside Thermal Comment
  UCD117310  Petalonyx thurberi Geoffrey Levin 1975-12-7 661 Riverside Painted Canyon, about 9 miles northeast of Mecca. 76 Comment
  RSA652293  Petalonyx thurberi subsp. thurberi Toppenberg 1961-5-5 s.n. Riverside Hwy 74 Palms to Pines, near Palm Desert. Comment
  POM250764  Petunia parviflora J. C. Roos 1937-6-7 514 Riverside South foot of Jackrabbit Trail, near San Jacinto. Comment
  CAS-BOT-BC326772  Peucephyllum schottii John Thomas Howell 1928-3-24 3532 Riverside Painted Canyon, Colorado Desert Comment
  LA203886  Peucephyllum schottii T. Craig; 1932-2-24 1796 Riverside Coachella Valley, Cathedral City Comment
  SD262206  Peucephyllum schottii A. C. Sanders, Jim Malusa 2017-1-14 42656 Riverside Sonoran (Colorado) Desert: Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas (Frink NW 7.5'Q) 118 Comment
  RSA928  Peucephyllum schottii J. T. Howell 1927-8-1 531 Riverside Mission Creek, Colorado Desert. 610 Comment
  SEINET12534538 Image available Peucephyllum schottii G. C. Wheeler, J. Wheeler 1968-3-12 s.n. Riverside Deep Canyon Desert Research Comment
  SEINET9118770  Peucephyllum schottii K. K. Muller 1952-1 559 Riverside 2 mi. N of Dos Palmas on road from Hot Mineral To Mecca-Blythe Hwy. Comment
  POM13267  Phacelia ambigua E. C. Jaeger 1922-3-4 1103 Riverside Painted Canyon near Mecca. Comment
  RSA21752  Phacelia ambigua Carl B. Wolf 1937-4-6 8424 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA234102  Phacelia ambigua Robert F. Thorne, R. Carolin 1967-3-21 41632 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  UCR275538  Phacelia ambigua D. E. Bramlet 2010-3-1 4459 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  RSA124430  Phacelia campanularia subsp. vasiformis Percy C. Everett, E. K. Balls 1958-5-4 23082 Riverside Morongo Canyon. 671 Comment
  SEINET1906693  Phacelia cicutaria var. hispida A. C. Sanders, Seung, Chul Kim, Plant Taxonomy Class 2005-1 30009 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca 8 miles southeast of Temecula, S of hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 457 Comment
  RSA593695  Phacelia ciliata Steve Boyd, D. Bramlet 1996-4-19 8631 Riverside San Jacinto Valley, San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  UCR104644  Phacelia ciliata D. E. Bramlet 1993-3-30 2303 Riverside South Cajalco Bend. The site is located some 1.5 m south of Cajalco Road, at a location 3.2 km east of the intersection of Cajalco Road and Sierra Ave. The site is approximately 5m east of the intersection with the Monument Peak Road. 451 Comment
  JOTR36458  Phacelia crenulata var. ambigua La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3428 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; narrow north fork of large canyon w/ cobbley wash and steep rocky walls (Stop 2) 338 Comment
  UC1007200  Phacelia crenulata var. ambigua Philip A. Munz 1940-3-23 15667 Riverside road <from?> Dale to Cottonwood Springs (s base of mts.); Pinto Mts. 609 Comment
  UCR124004  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 2001-4-14 6465 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  UCR277635  Phacelia crenulata var. ambigua A. C. Sanders, Jim Malusa 2017-1-14 42661 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  UC663066  Phacelia cryptantha James E. Cole 1941-5-30 824 Riverside peak ese C. G. S. SDtation; Joshua Tree National Monument, Quail Mountain Comment
  RSA182345  Phacelia distans J. D. Olmsted 1962-5-2 3440 Riverside Flat by saddle just N of highest part of Box Spring Mountains 762 Comment
  RSA650531  Phacelia distans Dolores Perez 1981-4-11 21 Riverside Cajalco Rd., S. of Lake Matthews. Comment
  RSA657229  Phacelia distans J. Mark Porter 2001-4-2 12336 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  SBBG101782  Phacelia distans S. Boyd with T. Ross, M. Hammitt 1991-5-2 6067 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
  UC68751  Phacelia distans H. M. Hall April, 1905 5884 Riverside Chuckawalla Bench Colorado Desert Comment
  VVC267  Phacelia distans A. C. Sanders 1997-5-4 20641 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
  RSA426106  Phacelia douglasii N. C. Cooper 1945-5-5 2262 Riverside San Gorgonio Mountains above Banning. 915 Comment
  POM187413  Phacelia imbricata subsp. patula L. Crutcher 1933-8-1 9 Riverside Camp Tahquitz, San Jacinto Mtns. Comment
  RSA788239  Phacelia imbricata subsp. patula L. M. Prince, Duncan S. Bell 2009-6-17 582 Riverside Cleveland National Forest. Comment
  RSA212890  Phacelia lemmonii Babs Kobaly 1969-6-24 s.n. Riverside Upper Big Morongo Canyon, Riverside County. Comment
  CLARK-A1528-564  Phacelia minor C. M. Flanagan 1973-4-14 OO 103 Riverside Sunnymead 579 Comment
  RSA516879  Phacelia minor Steve Boyd 1986-3-1 1361 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  RSA655400  Phacelia minor A. C. Sanders 1998-1-15 21636 Riverside Lake Skinner area: toward Crown Valley, NE of Black Mtn 762 Comment
  UC1392919  Phacelia minor R. F. Hoover 1969-4-13 11226 Riverside 7 mi nw San Jacinto (bank above road) Comment
  UCR112409  Phacelia minor A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23456 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
  UCR162053  Phacelia tanacetifolia T. B. Salvato 2003-4-15 175 Riverside Box Springs Mtns, University of California, Riverside. Road leading to Botanic Garden 396 Comment
  UCR75533  Phalaris lemmonii A. C. Sanders 1993-5-12 14001 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  RSA0057662  Philadelphus microphyllus var. stramineus P. A. Munz 1924-7-27 8762 Riverside North side of high rock. Dark Canyon, San Jacinto Mts. 2409 Comment
  SD63337  Phlox austromontana Walter Bertsch 1957-6-29 950 Riverside Desert slope of Toro Peak, Santa Rosa Mountains 2438 Comment
  UCR245748  Pholisma arenarium Duncan S. Bell 2009-4-18 216 Riverside Arica Mountains, NW of range, c. 1.6 air miles south of Hwy 62 and c. 0.4 air mi. N of California aqueduct 389 Comment
  JOTR28817  Pholistoma membranaceum La Doux, Tasha 2005-3-1 1085 Riverside Joshua Tree National Park. 3.5 miles North of Cottonwood Visitor's Center at exhibit Comment
  RSA788754  Pholistoma membranaceum R. W. Spjut 2008-2-11 16188 Riverside California Sonoran Desert. BLM: Just west of Desert Hot Springs off North Indian Canyon Drive along southside of Highway 62. 243 Comment
  UCR41366  Pholistoma membranaceum N. M. Fellows 1985-3-3 87 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  CAS-BOT-BC135113  Phoradendron californicum Peter H. Raven 1958-1-23 11418 Riverside in desert wash 7.8 miles N of United States Highway 99 on road to Morongo Valley Comment
  SBBG32262  Phoradendron californicum L. S. Rose 1966-12-11 Riverside Palm Springs 152 Comment
  SEINET10739282  Phoradendron californicum J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12847 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  UCR41696  Phoradendron californicum A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6097 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA747437  Phoradendron densum T. Scott, K. M. Meyer, A. Townesmith 2007-3-18 136 Riverside San Bernardino National Forest. San Jacinto Ranger District, about 0.2 mi. along Pinon Flats Transfer Station Rd. off Rte. 74. 1228 Comment
  CAS-BOT-BC135179  Phoradendron juniperinum Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  CDA22387  Phoradendron macrophyllum R. L. McClain 1958-4-7 Riverside V. E. Boyer property, Thornton Street & Hemet Avenue, Hemet. 0 Comment
  UCR92155  Phoradendron macrophyllum D. L. Banks, Steve Boyd 1995-10-17 0823 Riverside NW Palomar Mtns, Agua Tibia Mtns, Cleveland National Forest; Dripping Springs Campground, campsite # 9. 488 Comment
  CAS-BOT-BC171147  Phoradendron serotinum subsp. tomentosum A. C. Sanders; Lowell J. Bean; Pesach Lubinsky 2003-1-10 25655 Riverside San Jacinto Mountains: Bautista Canyon, ca. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 269 Comment
  UCR140568  Phoradendron villosum Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 10- 76 Riverside San Jacinto Mtns, San Bernardino National Forest, 2 miles north of Idyllwild on Hwy 243, Site L10 1717 Comment
  UCD126803  Physalis crassifolia Geoffrey Levin 1976-10-17 1184 Riverside Box Canyon, about 11 miles east of Mecca. Mountain Range: Mecca Hills. Salton Sea Drainage Area. 91 Comment
  LA6070  Pinus coulteri Carl Epling; 1932-11-9 sn Riverside 3 mi. below Idyllwild Comment
  UCR231041  Pinus coulteri A. C. Sanders, Kent Beaman 2011-9-27 39921 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  UCR8099  Pinus coulteri B. Freeman 1969-3-24 690324- 01 Riverside San Jacinto Mtns., James Reserve, c. 20 m west of Indian Creek. 1646 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
  RSA0077533  Pinus lambertiana G. Wallace 1964-4-26 s.n. Riverside Idlewild area. Comment
  MACF014862  Pinus monophylla Marsha A. Miller 1964-12-5 32 Riverside Highway 74, roadside 1219 Comment
  CAS-BOT-BC79095  Pinus quadrifolia H. M. Hall 1899-5-23 s.n. Riverside 1 1/2 mi. South of [Van de Henter's] Vandeventer Comment
  CLARK-A1528-2259  Plagiobothrys californicus John C. Roos 1952-2-29 5368 Riverside Reche Canyon 457 Comment
  SD237377  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-4-1 38953 Riverside Peninsular Range: Lake Elsinore, old house site on hill top along Baker St, below large water tank on hill, 0.83 km NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall/Collier Ave;, above Temescal wash (Lake Elsinore 7.5'Q) 402 Comment
  OBI53612  Plagiobothrys collinus Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 and Indian Truck trl 381 Comment
  UCR120650  Plagiobothrys collinus D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1791 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  POM3720  Plagiobothrys collinus var. californicus Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  UCR272260  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-9 759 Riverside Mojave Desert, east side of the Arica Mountains, near the center of the range, c. 1.75 air mile west of Priest Well 439 Comment
  CLARK-A1528-2261  Plagiobothrys leptocladus John C. Roos 1966-3-24 Riverside Edgemont Comment
  POM13006  Plagiobothrys tenellus Munz, I. M. Johnston 1922-5-19 5425 Riverside Keen Camp, San Jacinto Mts. 1494 Comment
  UCR240635  Plantago erecta Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 42 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 Comment
  UCR92096  Plantago erecta Scott D. White, M. Jacobsmeyer 1996-4-20 3948 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  RSA741159  Plantago lanceolata Scott D. White, Justin M. Wood 2008-5-15 11995 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR100875  Plantago ovata George K. Helmkamp, E. A. Helmkamp 1998-2-18 2698 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  RSA457801  Plantago ovata var. fastigiata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2198 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA757782  Plantago patagonica LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4305 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  POM12757  Platanthera leucostachys Philip A. Munz 1922-7-7 6065 Riverside Meadow N of Tahquitz Valley. San Jacinto Mountains. 2226 Comment
  RSA6097  Platanus racemosa Carl B. Wolf 1932-5-24 3647 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  UCR208927  Platanus racemosa B. D. Stark 1933-1 5555 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Andreas Canyon 457 Comment
  CAS-BOT-BC91875  Platystemon californicus H. L. Mason 1926-4-30 3134 Riverside Two miles south of Temecula. Comment
  CLARK-A1045-869  Platystemon californicus George K. Helmkamp 1978-6-1 #4 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  POM10260  Platystemon californicus Charlotte M. Wilder 1903-5-29 s.n. Riverside Wilders Canyon. Comment
Read comments
Apr 2 2011
  RSA612781  Platystemon californicus D. L. Banks, Victor W. Steinmann 1997-3-13 1421 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
  SBBG101726  Platystemon californicus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6071 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
  UC635476  Platystemon californicus H. L. Mason 1926-4-30 3134 Riverside two mi s Temecula Comment
  UCR201468  Platystemon californicus Scott D. White, Justin M. Wood 2008-5-15 11983 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UC489042  Plectritis ciliosa subsp. insignis C. V. Meyer Jun 1927 156 Riverside San Jacinto Mountains, Saunders Meadow Saunder's Meadow; San Jacinto Mountains, Saunders Meadow 1676 Comment
  UCR160324  Plectritis ciliosa subsp. insignis Steve Boyd, Orlando Mistretta 1992-4-22 6996 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  RSA0014312  Pleuraphis rigida Justin M. Wood, J. Miner 2010-4-30 1547 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  RSA663857  Pleuraphis rigida C. R. Annable 1995-3-16 2294 Riverside Ca. 13 km NE of Desert center on Hwy 177., 47 deg 47'N, 115 deg 18'W. Comment
  RSA747835  Pleuraphis rigida Scott D. White, Justin M. Wood 2009-4-28 12598 Riverside City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  JEPS30455  Pleurocoronis pluriseta Peter H. Raven 1958-1-24 11465 Riverside just ne Indio; Fargo Canyon Comment
  CAS-BOT-BC356103  Pluchea odorata Mrs. E. C. Van Dyke 1928-5-26 s.n. Riverside Coachella Comment
  SD229104  Pluchea sericea Dick Schwenkmeyer 2012-11-6 881 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  SD5511  Pluchea sericea Fidella G. Woodcock 1928-4-27 Riverside Palm Springs Comment
  SEINET2053984 Image available Pluchea sericea Howard S. Gentry 1954-7-25 14248 Riverside Aguanga Comment
  RSA714375  Poa pratensis T. B. Salvato, John Green 2004-5-27 608 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
  SEINET10659373  Poa scabrella Steve Boyd, Timothy S. Ross; Laurel Arnseth; Jaime Bonilla, Barbosa 1990-4-2 Boyd 4023 Riverside Vail lake area, lower slopes of Agua Tibia Mtn., along Hwy 79, E. of USFWS Dripping Springs Guard Sta. Chaparral and oak woodland vegetation burned by Mt. Palomar fire, 1989. 488 Comment
  RSA525343  Poa secunda Steve Boyd, Mark Skinner, A. C. Sanders 1990-4-28 4441 b Riverside Vail Lake area, summit of 'Big' Oak Mtn, N of lake 762 Comment
  UCR27283  Poa secunda E. W. Lathrop 1966-4-27 6207 Riverside Santa Ana Mtns., Main Divide Truck Trail between El Cariso and San Mateo Canyon, Cleveland National Forest. 1220 Comment
  SJSU11304  Poa secunda subsp. juncifolia S. H. Casey 1981-4-15 1197 Riverside Jumbo Rocks, Joshua Tree National Monument Comment
  UCD92360  Poa secunda subsp. juncifolia Frank W. Gould 1944-4-5 2235 Riverside 17 miles E of Temecula on Hwy 79. Comment
  CAS-BOT-BC242994  Poa secunda subsp. secunda Philip A. Munz 1940-3-22 15658 Riverside Whitewater Canyon, 2 miles N of Banning-Indio Road Comment
  SDSU18665  Poa secunda subsp. secunda C. Matt Guilliams, Jeannine Ross 2008-3-5 494 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. Collections near the Dudleya multicaulis restoration site. 388 Comment
  UC1713682  Polygonum amphibium var. emersum I. M. Johnston 1918-5-30 2027 Riverside Lee Lake Temescal Canyon 335 Comment
  RSA597078  Polygonum arenastrum D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1116 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; At the junction of Los Caballos Road and Hwy. 378 Comment
  UCR17333  Polygonum argyrocoleon O. F. Clarke 1978-10-20 s.n. Riverside Riverside; Rubidoux area, 0.5 mi. north of Santa Ana River, north side of Limonite, 0.3 mi west of Clay St. intersection Comment
  UCR207680  Polygonum argyrocoleon G. R. Ballmer 2006-3-2 s.n. Riverside Sonoran Desert, Coachella Valley, corner of Buchanan St. and Ave. 57 -11 Comment
  UCR91950  Polygonum argyrocoleon George K. Helmkamp 1996-3-11 1002 Riverside Sonoran (Colorado) Desert, Colorado River Valley, 35th Avenue and California Hwy 78, 1.7 mi north of PaloVerde 72 Comment
  UC6661  Polygonum bistortoides H. M. Hall 1901-7-5 2358 Riverside Tauquitz Valley San Jacinto Mts. (meadows and bogs) 2438 Comment
  UCR160892  Polygonum fagopyrum T. B. Salvato 2002-10-16 106 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  POM20514  Polypodium hesperium E. C. Jaeger 1923-6-28 s.n. Riverside Long Valley, San Jacinto Mountains 2590 Comment
  UCR2720  Polypogon australis F. M. Reed 1906-5-5 973 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  RSA757444  Polypogon monspeliensis R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55221 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  UCD91347  Polypogon monspeliensis E. W. Lathrop 1964-9-13 5417 Riverside 8 miles west of Murrieta. Loma Linda University Herbarium. 548 Comment
  UCR174238  Polypogon monspeliensis A. C. Sanders, T. B. Salvato 2006-6-2 33080 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
  UCR2728  Polypogon monspeliensis F. M. Reed 1932-9-26 7304 Riverside San Jacinto Mtns., Stream bed above Hemet Lake, near bridge 1326 Comment
  CAS-BOT-BC102598  Populus fremontii L. R. Abrams 1908-7-21 s.n. Riverside Elsinore Comment
  RSA296182  Populus fremontii Barry A. Prigge 1980-8-5 3820 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  CAS-BOT-BC356158  Porophyllum gracile Steve Boyd 1992-4-14 6830 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Western flank of Bluewater Cyn along Bluewater Trail 792 Comment
  CDA3370  Portulaca oleracea T. B. Salvato, A. C. Sanders 2005-5-17 890 Riverside San Jacinto Mtn foothills; San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. Comment
  RSA85564  Potamogeton pusillus F. W. Peirson 1922-5-21 4116 Riverside Thomas Ranch, Hemet Valley, San Jacinto Mtns. 1338 Comment
  RSA0005603  Potentilla acuminata H. M. Hall 1901-8-2 2605 Riverside Chino Creek below Round Valley, San Jacinto Mtns. Comment
  SDSU14003  Potentilla glandulosa subsp. reflexa Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2103 Riverside El Valle. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  RSA0020041  Proboscidea althaeifolia Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6013 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  UCR101521  Proboscidea althaeifolia Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10062 Riverside Colorado/Mojave Desert, Little Maria Mountains, bajada at SW end of Rice Valley along Midland Road, just north of pass between Little and Big Maria Mountains. 274 Comment
  UCR245068  Proboscidea althaeifolia A. C. Sanders, T. B. Salvato 2012-10-12 40408 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction 124 Comment
  UCR44442  Prosopis glandulosa A. C. Sanders, B. Pitzer 1986-4-30 6494 Riverside San Jacinto Valley, Gilman Springs Road, 0.3 mi. SE of Jackrabbit Trail. 457 Comment
  RSA522100  Prosopis glandulosa var. torreyana Steve Boyd, T. S. Ross 1989-8-28 3793 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR272191  Prosopis glandulosa var. torreyana Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8554 Riverside Santa Rosa Mountains, Horsethef Creek, south of Cactus Spring Trail 1064 Comment
  UC1128356  Prunus fasciculata R. St. John 1929-4-23 20 Riverside Pinyon Flat 1310 Comment
  RSA212925  Prunus fremontii L. B. Ziegler 1969-4-6 s.n. Riverside Pinyon Flats southeast of San Jacinto Mts. 1524 Comment
  SBBG22983  Prunus fremontii D. Myrick 1965-3-4 1084 Riverside Palms to Pines Hwy 74 914 Comment
  CAS-BOT-BC154438  Prunus ilicifolia Carl B. Wolf 1932-5-25 3666 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. Just above fish hatchery 670 Comment
  CAS-BOT-BC356329  Psathyrotes ramosissima H. M. Hall 1905-5-1 5864 Riverside Colorado Desert. Chuckawalla [Chuckwalla] Springs Comment
  OBI15568  Psathyrotes ramosissima Robert F. Hoover 1966-10-15 10159 Riverside Dead Indian Crk wash, S of Palm Desert Comment
  SBBG8677  Psathyrotes ramosissima H. and M. Dearing 1939-11-11 4028 Riverside E of Palm Springs Comment
  UCD84942  Psathyrotes ramosissima Chuck Hughes 2010-3-25 214 Riverside About 400 ft north of Arlington Mine Road, next to railroad tracks. 220 Comment
  UCR20412  Psathyrotes ramosissima Dr. H. de Forest 1929-3-16 s.n. Riverside Sonoran (Colorado) Desert, San Gorgonio Pass Comment
  UCR274765  Psathyrotes ramosissima Thomas R. Stoughton, Jackie McConnaughy, Andrew Monks 2010-12-1 723 Riverside Sonoran (Colorado) Desert, Coachella Valley Preserve, c. 0.25 mile east of road. Site #3 305 Comment
  JOTR01283  Psathyrotes ramosissima Cole, James E. 1941-4-13 580 Riverside Joshua Tree National Park. PINTO PASS; 0.5 MILES NORTH OF MEEK'S CABIN 609 Comment
  UCR268284  Pseudognaphalium californicum Jim Andre 2012-6-15 30510 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  UCR281574  Pseudognaphalium leucocephalum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 81 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd. at intersection with Temescal Hills Rd. 309 Comment
  JEPS34075  Pseudognaphalium stramineum Carl V. Meyer 1928-7-30 Riverside Saunders Meadow San Jacinto Mts., Saunders Meadow Comment
  RSA58830  Pseudotsuga macrocarpa R. Weatherby 1950-2-2 s.n. Riverside Canyon, southeast of Sierra Peak, Santa Ana Mts. Comment
  UCR89682  Psilocarphus brevissimus var. brevissimus Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA562492  Psilocarphus tenellus Steve Boyd, Timothy S. Ross 1992-5-5 7244 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  UCR41396  Psoralea macrostachya N. M. Fellows, A. C. Sanders 1985-5-7 169 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  UCR18981  Psoralea physodes John C. Roos 1960-5-30 s.n. Riverside Santa Ana Mtns., Ridge north of Bedford Peak. 1220 Comment
  SBBG87900  Psorothamnus arborescens R. F. Thorne, W. A. Tilforth 1980-5-28 54213 Riverside branch ravine running W from Whitewater Cyn, W of rd, ca. 3.2 mi N of Interstate 10 and Whitewater P.O. 609 Comment
  CAS-BOT-BC353623  Psorothamnus emoryi J. Von Loh 1978-1-24 3312 Riverside Palo Verde Mesa, Nichols Warm Spring 121 Comment
  CAS-BOT-BC353626  Psorothamnus emoryi Frank A. Thackery 1928-4-24 3 Riverside Edom Comment
  CAS-BOT-BC353644  Psorothamnus emoryi E. R. Johnson 1928-6-8 s.n. Riverside along highway, south of Mecca, west side of Salton Sea Comment
  UC484161  Psorothamnus emoryi B. D. Stark 1930-4-2 1501 Riverside w Indio; w of Indio 0 Comment
  UC1329930  Psorothamnus polydenius James E. Cole 1941-5-22 769 Riverside Ruby Lee Mill Site 914 Comment
  HSC99951  Psorothamnus schottii J. P. Smith, & J. O. Sawyer 2011-6-9 13182 Riverside Along Hwy. 74. 972 Comment
  UCR126437  Psorothamnus schottii T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 47 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  UCSB3060  Psorothamnus schottii Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  CAS-BOT-BC340964  Psorothamnus spinosus Roxana S. Ferris 1918-6-14 973 Riverside Between Palm Springs and Indian Wells Comment
  RSA33633  Psorothamnus spinosus N. C. Cooper 1944-7-15 1603 Riverside Palm Springs. 122 Comment
  RSA561074  Pterostegia drymarioides Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7326 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  SD136779  Pterostegia drymarioides Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7326 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 366 Comment
  SD261010  Pterostegia drymarioides Mitch Provance 2012-5-24 512 9 Riverside San Bernardino Mountains; Banning, foothills and alluvial fan near border with Beaumont, NE of the intesection of Highland Springs Avenue and Wilson St. (Beaumont 7.5'Q) 868 Comment
  UCR214131  Pterostegia drymarioides A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37735 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  JEPS119494  Purshia tridentata Clark Cowan 1978-4-25 1259 Riverside San Bernardino National Forest. Pinon Flat Campground. Highway 74, 8.9 miles (14.2 km) E of junction Highway 74 and 371. Comment
  RSA561412  Pycnanthemum californicum Steve Boyd, T. S. Ross, D. E. Bramlet 1992-9-9 7681 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
  UC876185  Pyrola picta Mary F. Spencer 1923-7-30 2264 Riverside San Jacinto Mountain, Idyllwild, Banning Road Idyllwild; San Jacinto Mountain, Idyllwild 1828 Comment
  UC809668  Quercus Philip A. Munz 1946-10-21 11590 Riverside Live Oak Tank Joshua Tree National Monument 1219 Comment
  SEINET10914610  Quercus X acutidens Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-11 Townesmith 674 Riverside Cleveland National Forest. Along South Main Divide Road, 3.5 miles south of intersection with Route 74 890 Comment
  RSA78297A  Quercus agrifolia var. agrifolia P. A. Munz, E. K. Balls 1952-8-21 17994 -A Riverside on dry granitic flat, Southern Oak Woodland, 1 mi. w. of Popppet Flat, Banning-Idyllwild Rd. 1220 Comment
  UCR158894  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31561 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  RSA575898  Quercus berberidifolia Steve Boyd 1994-10-14 8399 Riverside San Mateo Canyon Widerness Area of the Cleveland Nat'l Forest. San Mateo Canyon along San Mateo Trail between N branch of Tenaja Trail and Fishermans Camp. 427 Comment
  UCR121644  Quercus berberidifolia A. C. Sanders, Kent Beaman 2002-5-10 25055 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
  UCR273006  Quercus berberidifolia Mitch Provance 2012-4-1 17428 Riverside Badlands of Western Riverside County, N side of San Timoteo Canyon Rd., about 4.5 mi WNW of intersection with I-10, N of old Haskell residence 646 Comment
  UCR273037  Quercus berberidifolia Mitch Provance 2012-1-25 17381 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 677 Comment
  LA46443  Quercus chrysolepis Carl Epling; 1931-10-4 sn Riverside San Jacinto Mountains, Idyllwild 1371 Comment
  UCD105638  Quercus chrysolepis K. M. Meyer; A. Townesmith, T. Scott 2007-3-15 131 Riverside San Bernardino National Forest. 14.5 mi. S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  RSA0097948  Quercus cornelius-mulleri Duncan S. Bell 2014-11-14 7725 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA495812  Quercus dumosa Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2922 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
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Jun 24 2010
  SEINET10891639  Quercus dumosa Greg Gust, Leith Nye 2005-3-12 Gust 555 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  SD122862  Quercus engelmannii Steve Boyd 1985-7-30 1047 Riverside 7.8 miles west of Rancho California, De Luz road Comment
  RSA39267  Quercus john-tuckeri P. A. Munz 1946-10-21 11592 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  SD229176  Quercus kelloggii Dick Schwenkmeyer 2012-8-28 816 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  UC848095  Quercus kelloggii P. A. Munz 1922-7-2 5943 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  UCSB34700  Quercus kelloggii Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 15.9 mi northwest of Idyllwild on Calif. Hwy 243; San Jacinto Mtns Comment
  UCR165196  Quercus palmeri D. E. Bramlet, Fred M. Roberts 2004-4-13 3552 Riverside Perris-Aguanga Basin, South Bernasconi Hills, 1.3 km south of Ramona Expressway and 1.4 km west of San Jacinto River 515 Comment
  UCD47359  Quercus turbinella Rudolph Fischer 1965-10-8 1 Riverside East foothills of Thomas Mountain, Santa Rosa range, State Highway 74, ca. 10 miles south of Keen Camp, Riverside County, California. 1341 Comment
  CLARK-A1528-2914  Quercus wislizeni var. frutescens John C. Roos 1952-4-13 5518 Riverside Box Springs Mountains 518 Comment
  UC1010264  Quercus wislizeni var. frutescens John C. Roos 1952-4-13 5518 Riverside Box Springs Mts. 518 Comment
  UCR17633  Rafinesquia californica Jeanine Derby, O. F. Clarke 1974-5-3 s.n. Riverside Lakeview Comment
  UCR213623  Rafinesquia californica A. C. Sanders, Matthew Malle 2010-4-23 37994 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 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
  RSA650948  Rafinesquia neomexicana Marion P. Harthill 1973-2-17 1573 Riverside Snow Creek, Palm Springs 366 Comment
  RSA676271  Rafinesquia neomexicana Scott D. White 2001-4-3 8259 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA726523  Rafinesquia neomexicana Naomi Fraga, Lisa Rojas 2005-2-10 1400 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  SBBG8705  Rafinesquia neomexicana C. H. Muller 1952-4-6 9499 Riverside ca. 2 mi E of Shavers Summit, E of S entrance of Joshua Tree Nat Monument Comment
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Apr 24 2011
  SEINET186324  Rafinesquia neomexicana P. A. Munz 1940-3-24 15707 Riverside 2 miles north of Cottonwood Springs Eagle Mountains. 914 Comment
  UCR104018  Rafinesquia neomexicana George K. Helmkamp 1998-4-4 3141 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR42393  Rafinesquia neomexicana D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  SEINET10801149  Rafinesquia neomexicana Billy Joe Cox 1975-4-23 Cox 4114 Riverside Palo Verde, 1-3 km W, (ca. 32 mi. S of Blythe). 70 Comment
  UC63845  Ranunculus californicus H. M. Hall 1897-4-10 435 Riverside Pico's San Jacinto Valley (along ditch) Comment
  UC9423  Ranunculus cymbalaria var. saximontanus H. M. Hall June 1901 2169 Riverside Thomas Valley San Jacinto Mountains (pond) 1371 Comment
  UCR35155  Ranunculus cymbalaria var. saximontanus L. B. Ziegler 1967-8-29 216 Riverside San Jacinto Mtns, Meadow in Hemet Valley 1418 Comment
  UCR114754  Ranunculus hebecarpus Scott D. White, D. E. Bramlet 1999-4-22 7233 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR248003  Ranunculus muricatus O. F. Clarke 2010-4-16 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR248034  Ranunculus muricatus O. F. Clarke 2011-3-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR93826  Ratibida columnaris G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Murrieta, Warm Springs Creek, c. 1/2 mile south of Murrieta Hot SpringsFreshwater marsh with seep and stream flow; with Juncus rugulosus, Typha, Xanthium stru., Rorippa nast-aq., Echinochloa crusgalli, etc. 457 Comment
  UCR174052  Rhamnus crocea A. C. Sanders 2006-5-19 32446 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
  SEINET10634145  Rhamnus ilicifolia Greg Gust, Leith Nye 2005-3-12 Gust 554 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  SBBG59934  Rhododendron occidentale M. Lewis 1948-6-20 Riverside Dark Cyn 1981 Comment
  CAS-BOT-BC200031  Rhododendron occidentale var. californicum H. M. Hall 1901-6-1 2241 Riverside San Jacinto Mountains 1828 Comment
  JOTR34486  Rhus aromatica Andre, Jim 2012-4-16 20970 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  SBBG101697  Rhus aromatica S. Boyd, T. Ross 1991-6-14 6380 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  RSA543126  Rhus integrifolia Steve Boyd 1991-3-17 5472 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
  UCR239902  Rhus integrifolia O. F. Clarke 2004-3-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, at top of North Peak 762 Comment
  LA62860  Rhus ovata Victor Duran; 1933-7-3 3498 Riverside SANTA ROSA MOUNTAINS, 2 mi E of Pinyon Flat. 1066 Comment
  SEINET3930656  Rhus ovata David Keil 1983-4-15 19891 Riverside East of Temecula on SR79.; 0 Comment
  RSA592685  Rhus trilobata Scott D. White, Duayne Haselfeld 1996-7-2 4269 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  RSA93897  Rhus trilobata var. pilosissima F. W. Peirson 1928-3-24 7726 Riverside 1-2 miles north of Dripping Springs, grade on Temecula River, sw. Riverside County. 426 Comment
  RSA614518  Ribes indecorum A. C. Sanders 1994-1-30 14226 A Riverside Box Springs Mtns at the head of Two Trees Canyon. 686 Comment
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Apr 3 2011
  UCR102735  Ribes indecorum B. G. Pitzer 1998-1-25 3427 Riverside Lakeview Mtns, Pulsar View Road, c. 0.5-0.75 mile uphill from the water tank at base of hills on Warren Road; c. 1 mile (airline) north of Juniper Flat Road 610 Comment
  UCR13744  Ribes indecorum N. R. Zabriskie, W. W. Zabriskie 1971-4-9 368 Riverside Santa Rosa Mtns, Deep Canyon south of Hwy 74, c. 2 mi up water service road, below crossing, N slope mtns. 1372 Comment
  UCR277935  Ribes indecorum Mitch Provance 2012-1-26 112- 04 Riverside Badlands of Western Riverside County, San Timoteo Canyon, El Casco area, 0.3 miles S of Fisherman's Retreat 695 Comment
  SEINET13942526 Image available Ribes indecorum S. Lambert 1981-1 1919 Riverside San Bernadino National Forest, hwy 74, 6.0 miles W Mountain Center, 3000 feet elevation, streamside 914 Comment
  UCR60639  Ribes malvaceum C. B. Wolf 1932-2-11 02643 Riverside Santa Ana Mtns, Hidden [Tin Mine] Canyon, 5 mi. west of Corona, base of Skyline Drive. 405 Comment
  RSA628428  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 S of Rawson Rd. 439 Comment
  POM6369  Rosa californica Philip A. Munz, Street, Williams 1919-5-3 2634 Riverside Along stream at Rincon. Comment
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Jun 11 2012
  RSA388396  Rosa californica Robert F. Thorne 1985-7-18 61202 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon 535 Comment
  RSA761751  Rubus parviflorus Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 645 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR35160  Rubus parviflorus L. B. Ziegler 1967-7-5 177 Riverside San Jacinto Mtns, Canyon of the South Fork of the San Jacinto River 1829 Comment
  CAS-BOT-BC158733  Rubus ursinus Alice Eastwood; John Thomas Howell 1937-4-24 3906 Riverside Coldwater Canyon, Santa Ana Mts. Comment
  SD193057  Rumex conglomeratus Scott D. White, Angelia Carey 2004-6-4 10474 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence. 502 Comment
  UCR158322  Rumex crispus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30065 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
  UCR20969  Rumex dentatus A. C. Sanders, Steve Boyd 1980-5-19 1474 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  SEINET4178297  Rumex salicifolius var. salicifolius I. W. Clokey 1935-8-21 6601 Riverside Fuller's Creek 1500 Comment
  RSA444472  Rupertia physodes J. C. Roos 1960-5-30 s.n. Riverside Santa Ana Mountains: Ridge N of Bedford Peak with Calochortus albus, semi shade 1220 Comment
  RSA759245  Rupertia physodes Robert Allen 2008-5-17 s.n. Riverside Bear Canyon Trail. Near boundary of San Mateo Wilderness 675 Comment
  UC2015597  Sagina apetala A. C. Sanders and G. Helmkamp 1996-3-17 17980 Riverside Coachella Valley: Palm Springs, weeds in landscaping of shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. Comment
  RSA586307  Sagina decumbens D. L. Banks, Steve Boyd 1995-5-3 0218 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
  SEINET7048187  Salazaria mexicana Steven R. Hill 2001-5-3 33695 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
  RSA770892  Salix exigua Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4595 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SBBG33641  Salix exigua T. L. Secrest 1951-5-20 Riverside ca. 6 mi S of Banning 1219 Comment
  UC506454  Salix exigua Carl Hedin and Joseph Ewan 1932-7-9 7676 Riverside Chico Creek near Prado (Rincon) below Corona Comment
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Dec 11 2011
  SDSU13385  Salix exigua var. hindsiana Tarja Sagar, Michael G. Simpson & Taxonomy of CA Plants Class 2000-4-1 12 Riverside Santa Margarita Ecological Reserve (SDSU). 0.5 miles SW of the North Field Station. 238 Comment
  POM361017  Salix gooddingii G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms. Comment
  CAS-BOT-BC108213  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 605 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  CAS-BOT-BC108216  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  RSA659608  Salix laevigata J. C. Roos 1952-2-18 5351 Riverside At west end of Fairmount Park, Riverside. 259 Comment
  RSA707986  Salix laevigata Scott D. White, Angelia Carey 2004-5-7 10348 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UC5016  Salix lasiandra subsp. lasiandra H. M. Hall 1906-7-20 2510 Riverside Strawberry Creek San Jacinto Mts., Strawberry Creek 1584 Comment
  SDSU14057  Salix lasiolepis Ingrid Poulin 2002-4-12 17 Riverside Santa Margarita Ecological Reserve; Red Mountain Truck Trail, 0.6 miles northeast of N. Stagecoach Lane. 213 Comment
  CAS-BOT-BC128447  Salix lasiolepis var. lasiolepis Geo. B. Grant 1904-7-23 s.n. Riverside Mt. San Gorgonio, High Creek Comment
  UC1178573  Salix lutea Peter Kamb 1949-5-8 1406 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  RSA0010976  Salix scouleriana Robert F. Thorne, Walter Wisura 1977-9-17 50780 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  SBBG28438  Saltugilia australis D. Myrick 1964-4-30 809 Riverside Palms to Pines Hwy (St Hwy 74), 15 mi W of Palm Desert 1219 Comment
  RSA0004874  Saltugilia latimeri Verne Grant, Alva Grant 1950-4-9 8840 Riverside Palm Springs. Comment
  RSA0123087  Salvia apiana Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8971 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
  UCR107740  Salvia apiana D. L. Banks 1997-5-5 1967 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
  RSA12907  Salvia carduacea Carl B. Wolf 1935-4-7 s.n. Riverside 5 mi west of Val Verde in the Gavilan region. 457 Comment
  SBBG89046  Salvia carduacea B. Pitzer, K. Kirtland 1986-5-7 220 Riverside Butterfield Stage Ranch development, Rancho California area, 1 mi S of Buck Mesa on the E side of Butterifeld Stage Rd 457 Comment
  RSA357776  Salvia columbariae Robert F. Thorne, M. Z. Thorne 1973-3-30 42657 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UCR124649  Salvia columbariae B. C. Templeton, I. W. Clokey 1930-4-9 1004 Riverside Sonoran (Colorado) Desert, San Gorgonio Pass, near Palm Springs Station 305 Comment
  UCR213614  Salvia columbariae A. C. Sanders, Matthew Malle 2010-4-23 38006 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  CLARK-A1528-5347  Salvia greatae John C. Roos 1949-3-19 4101 Riverside Orocopia Mountains Comment
  JEPS16863  Salvia greatae Marjorie D. Clary 1933-4-9 2185 Riverside 4 mi n Dos Palmos (n Colorado Desert); Colorado Desert 121 Comment
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Apr 29 2008
  JOTR30208  Salvia leucophylla Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  OBI13539  Salvia mellifera Tracey & Viola Call, Viola Call 1962-4-13 2124 Riverside tin Mine Cyn near Corona 351 Comment
  UCR107389  Salvia mellifera B. G. Pitzer 1997-3-23 2970 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
  POM13403  Salvia pachyphylla subsp. pachyphylla E. C. Jaeger 1922-8-20 1010 Riverside North slope of San Jacinto Mountain. 1829 Comment
  UC73592  Salvia vaseyi H. E. Wilder 1906-1 Riverside e of San Gorgonio (along Mission Creek); Colorado Desert, Mission Creek Comment
  UCR193902  Sambucus mexicana A. C. Sanders, Mitch Provance 2008-7-11 35781 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
  SD137816  Sambucus nigra subsp. caerulea Darin L. Banks, Steve Boyd 1995-5-3 270 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 515 Comment
  UCR95461  Samolus parviflorus D. L. Banks, Lauren Raz 1996-8-29 1139 Riverside Agua Tibia Mountains, NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. Along Arroyo Seco, north of Wildhorse Peak, before the drainage bends to the south. 549 Comment
  RSA221031  Sanicula crassicaulis E. W. Lathrop 1966-3-30 6123 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat l Forest 1220 Comment
  JEPS27437  Sarcostemma cynanchoides subsp. hartwegii W. L. Jepson 1901-5-27 1483 Riverside Aguanga Comment
  UCR72191  Sarcostemma hirtellum Theo Glenn 1991-5-2 91- 125 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  UCR924  Satureja chandleri Oelrich 1959-4-17 s.n. Riverside 0.6 mi. north of sign #B4.86 on Hwy 79, between Hemet and Sage [Bad locality?] Comment
  UC56920  Saxifraga californica H. M. Hall 1902-4-26 2992 Riverside near Riverside (Box Springs Mountain); Box Springs Mountain Comment
  UCR97678  Saxifraga californica A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19906 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  UCR21988  Schinus molle Steve Boyd 1980-7-20 340 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SEINET10867937  Schismus arabicus Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6464 Riverside Rice Valley, 7 mi S-SW of Rice. Sand dunes; common. Culms and leaves prostrate. 274 Comment
  CLARK-A1528-92  Schismus barbatus Fred B. Essig 1964-2-13 13 Riverside La Sierra 609 Comment
  SEINET212652 Image available Schismus barbatus L. C. Higgins 1974-4-12 8487 Riverside 5 miles south of Morongo Valley on highway 62 Comment
  UC1108987  Schismus barbatus H. E. and S. T. Parks March, 1940 Riverside Santa Rosa Canyon near Indio; Santa Rosa Canyon Comment
  UCR56085  Schismus barbatus J. A. Adams 1966-3-12 451 Riverside Sonoran (Colorado) Desert, Coachella Valley; Hwy 74, 2 mi above Palm Desert 216 Comment
  RSA652886  Schoenoplectus californicus John Wallace 1991-5-8 22 Riverside Colorado River. Comment
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Aug 13 2015
  CAS-BOT-BC69807  Selaginella bigelovii Ivan Johnston 1917-4-4 1044 Riverside Palm Canyon, Colorado Desert. 304 Comment
  RSA525408  Senecio californicus Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4516 B Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at junction of Highway R3 and Powerline Road, NE of the lake. Comment
  UC68959  Senecio californicus H. M. Hall April 1905 5785 Riverside 10 mi w Coachella (Colorado Desert); Colorado Desert 91 Comment
  UCR162266  Senecio californicus S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  CAS-BOT-BC323972  Senecio flaccidus var. douglasii Donald A. Johansen 1933-7-14 712 Riverside Mesa Mira, from Yucaipa towards Oak Glen and from there towards Beaumont. 1524 Comment
  UCR89652  Senecio flaccidus var. douglasii Bern Schwenn 1994-4-24 s.n. Riverside Joshua Tree National Park, Hexie Mountains, Pinkham Well Canyon, below the well site Comment
  RSA0124179  Senecio flaccidus var. douglasii N. C. Cooper 1944-7-15 1604 Riverside Palms to Pines Hwy, San Jacinto Mountain. 701 Comment
  UCR233168A  Senecio mohavensis Jim Andre, Glenn L. Clifton 2011-2-22 17443 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  SD253454  Senna artemisioides A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42000 Riverside Peninsular Range: along Hwy 79 c. 1 km east of Los Caballos Road and 1 km west of Pauba Road (Pechange 7.5'Q) 401 Comment
  UC1765226  Senna obtusifolia Les Ede 1989-8-19 Riverside S of Blythe in the Palo Verde Valley, ca. 1 mi N of the Imperial County line. Comment
  UCR275529  Sesuvium verrucosum A. C. Sanders, Karen Kirtland 2016-9-23 42631 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  UCR275585  Sesuvium verrucosum T. B. Salvato 2005-6-13 605- 9 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
  UCR135832  Sidalcea malviflora A. C. Sanders 2004-4-20 27557 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
  UCR50582  Sidalcea malviflora B. G. Pitzer, E. Misquez 1988-2-28 0630 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  RSA68329  Sidalcea malviflora subsp. sparsifolia G. R. Campbell 1951-5-30 16147 Riverside Pine Meadow Ranch, SE of Kenworthy 1433 Comment
  UC1012992  Sidalcea malviflora subsp. sparsifolia C. L. Hitchcock 1952-5-31 19562 Riverside n edge of town Idyllwild; n edge of town of Idylwild Comment
  UC454912  Sidalcea malviflora subsp. sparsifolia F. M. Reed 164 Riverside Pigeon Pass, Box Spring Mountains, E of Riverside Comment
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Jul 30 2006
  OBI36581  Sidalcea sparsifolia A. C. Sanders & S. D. Boyd, S. D. Boyd 1980-4-17 s.n. Riverside San Jancinto Mts. Pine Meadow in upper Garnder Valley, along hwy 74, 0.7 mi E of jctn with Hwy 371 1524 Comment
  CAS-BOT-BC109422  Sidotheca emarginata E. A. McGregor 1941-6-12 32 Riverside Santa Rosa Mountain. Comment
  UCR23678  Silene parishii John C. Roos 1936-9-15 2515 Riverside San Jacinto Mountains, Devil's Slide Trail above Idyllwild. Comment
  RSA438854  Silene parishii var. viscida Albert J. Perkins 1915-9-6 s.n. Riverside San Jacinto Mt. Comment
  RSA0086987  Silene platyota Scott D. White, Tasha La Doux 2000-4-20 7712 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR207697  Silene verecunda subsp. platyota Justin M. Wood, Brandy N. Wood 2009-6-13 893 Riverside San Jacinto Mountains, Idyllwild County Park, Lily Creek and adjacent slope to west of campground 1616 Comment
  CAS-BOT-BC202949  Simmondsia chinensis James R. Shevock 1978-4-8 5777 Riverside Along California highway 195 just off of Interstate 10 near Chiriaco Summit. Base of Orocopia Mountains, Colorado Desert 396 Comment
  HSC101265  Simmondsia chinensis Jim Andre 2012-3-19 21375 Riverside Palen Valley; along Palen Pass Rd. (dirt), 7.1 mi. east of Hwy. 177. 321 Comment
  RSA0105948  Simmondsia chinensis Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  RSA765395  Simmondsia chinensis Doris Bowers 1967-12-27 595 Riverside Box Canyon near Salton Sea 0 Comment
  POM14033  Sinapis arvensis P. A. Munz, D. Keck 1922-4-14 s.n. Riverside Near Moreno. 366 Comment
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Mar 20 2011
  RSA793412  Sisymbrium altissimum Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3954 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  UCR47281  Sisymbrium altissimum D. C. Hawks 1987-5-16 s.n. Riverside Terwilliger Valley, S of Anza, Terwilliger Road, 0.9 mi. south of intersection with Wellman Road 1189 Comment
  CAS-BOT-BC75184  Sisymbrium erysimoides A. C. Sanders 1994-5-15 14478 Riverside Mount Rubidox. On the northwest side of Riverside on the east bank of the Santa Ana River. 400 Comment
  RSA0042105  Sisymbrium irio Duncan S. Bell, Deidre Conocchioli 2014-3-11 6230 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  UCR138639  Sisymbrium irio D. L. Banks, J. Moreno 1997-2-5 1265 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north of the Riverside/San Diego County line border, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation 409 Comment
  JOTR16641  Sisymbrium orientale Leary, Pat 1975-4-27 1111 Riverside Joshua Tree National Park. COTTONWOOD CANYON 853 Comment
  UCR112555  Sisymbrium orientale A. C. Sanders 1998-3-17 21741 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  UCR189285  Solanum americanum Fred M. Roberts, S. Leatherman 2007-9-19 6584 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR150020  Solanum douglasii Scott D. White, Angelia Carey 2004-5-7 10343 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  OBI36390  Solanum lanceolatum A. C. Sanders, O. F. Clarke, & R. Allert 1984-7-18 5110 Riverside In a vacant field NE of the intersection of Tyler and Cypress Aves Comment
  UC64390  Solanum umbelliferum H. M. Hall 1897-4-10 436 Riverside near San Jacinto Lake (Appelby's); Appelby's Comment
  UCR99189  Solanum umbelliferum M. J. Wangler 1993-4-21 30 Riverside Riverside, small tributary of Sycamore Canyon Wash 1 km east of Sycamore Canyon Wash, and 300 m south of Central Ave. within Sycamore Canyon Co. Park 400 Comment
  CLARK-A1528-897  Solanum xanti Charlotte Stocks 1963-5-29 Riverside San Jacinto Mountains Comment
  RSA785962  Solanum xanti J. D. Olmsted 1958-6-15 166 Riverside 5 mi. north of Filmore lake towards Banning on Banning-Idyllwild road, near N Fk. San Jacinto river drainage Comment
  UCR59808  Solidago californica Jeri Hirshberg 1989-7-26 s.n. Riverside Peninsular Range, vicinity of Vail Lake; spring in Butterfield Country Comment
  RSA507804  Solidago confinis J. C. Semple, J. Chimielewski 1987-9-30 8984 Riverside CA-74, 6.5 km south of CA-243, Lake Hemet region. Comment
  JOTR01289  Sonchus asper subsp. asper Cole, James E. 1941-5-27 794 Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  UCR176694  Sonchus oleraceus R. D. Goeden, Don W. Ricker 1980-2-7 s.n. Riverside Riverside, UCR Campus 366 Comment
  CDA22559  Sorghum bicolor Mike Lahti 2008-7-14 PDR# 1473241 Riverside Hemet, 26510 Georgia 0 Comment
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