Search Results — 2000 specimen records retrieved (1893 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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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229366  Abronia villosa Ira L. Wiggins 1941-3-24 9568 Riverside 0.3 mile south of Myoma, 4.6 miles north of Indio Comment
  SBBG69816  Abronia villosa R. Hoffmann 1929-9-11 Riverside Thomas Valley Comment
  SD39330  Abronia villosa var. aurita Florence Post 1931-5-1 Riverside Lake Elsinore Region. Comment
  JOTR16747  Abronia villosa var. villosa Walters, Jim 1967-3-4 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE 1249 Comment
  RSA748603  Abronia villosa var. villosa Scott D. White, Justin M. Wood 2009-4-28 12595 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  POM6907  Acacia greggii P. A. Munz 1919-5-7 2743 Riverside Palm springs 183 Comment
  SFV5010  Acamptopappus sphaerocephalus F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Old excavated bench, Seven Level Hill about 11 miles south of Palm Desert on Route 74 to Hemet. 610 Comment
  UCR177854  Acamptopappus sphaerocephalus Marisa Sripracha, K. A. Boyd 2004-3-21 048 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  RSA38413  Acamptopappus sphaerocephalus var. sphaerocephalus P. A. Munz 1946-10-21 11598 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1296 Comment
  UCR132776  Acer negundo S. J. Myers 2001-4-26 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  RSA577747  Achnatherum hymenoides F. M. Reed 1927-3-19 5671 Riverside Salt Creek Wash, east of Mecca 213 Comment
  RSA770885  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4588 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA752884  Achnatherum lemmonii var. lemmonii Orlando Mistretta 2009-7-10 3993 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
  CAS-BOT-BC218631  Achnatherum occidentale subsp. pubescens H. M. Hall 1901-7-1 2537 Riverside West Fork Snow Creek, San Jacinto Mountains 1524 Comment
  POM96839  Achnatherum speciosum F. M. Reed 1926-5-8 5326 Riverside Rocky hill near [Good Hope] Mine. Comment
Read comments
May 1 2011
  CAS-BOT-BC384737  Achyronychia cooperi Milo S. Baker 1928-4-3 3283 a Riverside Palm Canon [Canyon] Comment
  JOTR33800  Achyronychia cooperi La Doux, Tasha, B. Truesdell 2007-11-9 3298 Riverside Joshua Tree National Park. Pinto Basin; Fried Liver Wash, along Route 11 where the wash crosses the road (STOP 1) 532 Comment
  SEINET5327356  Acmispon argophyllus var. argophyllus I. W. Clokey, C. B. Clokey; E. G. Anderson 1930-4-15 4638 Riverside Perris-Gavilan Peak, 600 Comment
  SD133089  Acmispon glaber Scott White 1991-3-22 Riverside Los Alamos Road, ca. 2 mi. W of I-215 exit, by road; just E of the city of Murrieta, between Murrieta & I-215. 366 Comment
  SD136845  Acmispon parviflorus Steve Boyd, Tim Ross 1992-5-5 7256 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats along Serrano Spring drainage between Lucas Canyon Trail & junction of Bluewater & the Verdugo Trails, in opening in oak woodland, south of Serrano Spring 730 Comment
  RSA735240  Adenophyllum porophylloides Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11212 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
  CAS-BOT-BC167003  Adenostoma fasciculatum A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37809 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCD112609  Adenostoma fasciculatum K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCR135844  Adenostoma fasciculatum A. C. Sanders 2004-4-20 27533 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
  UCR16481  Adenostoma fasciculatum Joe Buriel 1966-4-22 s.n. Riverside Peninsular Range, 5 miles north of Temecula off Hwy 395. Along small service road bordered by telephone poles 457 Comment
  LA207889  Adenostoma sparsifolium H. Lewis; 1939-10-22 1036 Riverside San Jacinto Mountains, Hemet Lake 1371 Comment
  RSA687682  Adiantum capillus-veneris May N. Ackley 1928-4-3 5 Riverside Waterfall, Clarys Canyon Comment
  UC832916  Agnorhiza ovata P. A. Munz 1922-6-23 5783 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  RSA192013  Agoseris heterophylla var. heterophylla E. W. Lathrop 1966-5-8 6267 Riverside 5 miles west of Murrieta. Comment
  POM114051  Agrostis exarata Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  CAS-BOT-BC139355  Agrostis idahoensis Carl B. Wolf 1932-8-5 3963 Riverside San Jacinto Mountains. 1st Real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak. Head of fork of Tahquitz Creek. 2743 Comment
  UC36982  Agrostis idahoensis H. M. Hall 1901-7-9 2363 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley 2438 Comment
  UC36895  Agrostis pallens H. M. Hall 1901-1 2375 Riverside wooded slopes and benches of the s side San Jacinto Mountains 1676 Comment
  SEINET14046490  Agrostis pallens S. D. White, M. Honer, D. Hannon 2003-6-24 9586 Riverside Near Rainbow Valley; mountains W of I-15 freeway and immediately N of San Diego Co. border. 335 Comment
  UCR171136  Ailanthus altissima John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  RSA480258  Alhagi maurorum D. O. Clark 1969-7-2 s.n Riverside 2 miles W of Mecca, Coachella Valley. Comment
  POM47779  Allionia incarnata Mary F. Spencer 1918-3-27 771 Riverside In desert sand, Palm Canyon. 168 Comment
  RSA600768  Allionia incarnata C. Epling, Wm. Stewart 1936-9-1 s.n. Riverside Chuckwalla Valley: Desert Center. Comment
  RSA784964  Allionia incarnata Duncan S. Bell 2012-3-18 3228 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  UCR42489  Allionia incarnata P. J. Leary 1974-10-26 516 Riverside Mojave Desert, N of Mary Peak, Hexie Mountains, Joshua Tree National Monument [now Park] 610 Comment
  JOTR33711  Allionia incarnata var. incarnata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1001 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  SEINET10532711  Allium fimbriatum Cooper 1944-5-20 Cooper 1237 Riverside Pinyon flats, palms to pines hwy. San jacinto mountains. Under shrubs. Flowers Reddish purple. Stems short 1219 Comment
  CAS-BOT-BC131981  Allium haematochiton H. M. Hall 1901-6-1 2096 Riverside In the vicinity of Strawberry Valley 1371 Comment
  RSA367046  Allium haematochiton N. C. Cooper 1947-4-5 2041 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA524402  Allium haematochiton Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4094 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA645329  Allium munzii Steve Boyd, Ian Gillespie 2000-4-15 10302 Riverside Gavilan Hills region: South flank of Alberhill Mountian, just east of the heavily mined area., Near 34 deg 42' 43.5''N 117 deg 22' 39.0''W. 463 Comment
  JOTR34173  Allium parishii Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 129 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  UCR77757  Allium peninsulare Steve Boyd, D. E. Bramlet 1991-5-13 6250 Riverside Domenigoni Hills, north side Domenigoni/Diamond Valley, ESE of Winchester. Vicinity of ultramafic outcrop on ridgetop south of S-end of Warren Rd. 610 Comment
  RSA736646  Allium praecox Scott D. White, Justin M. Wood 2008-3-25 11772 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UCR111767  Allium praecox Mitch Provance 1998-3-17 222 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.7 km south of limestone quarry situated at the N base of the mountain on 7th St. This site, technically, in the city of Riverside. 375 Comment
  RSA291566  Allophyllum glutinosum C. W. Tilforth, B. Busenberg 1980-6-10 1978 Riverside 0.1 mi. from Highway 74 on north leg of Thomas Mtn. Rd., 1 mi. south of Lake Hemet. 1387 Comment
  UCR263226  Allophyllum glutinosum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41465 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  CAS-BOT-BC170130  Alnus rhombifolia Louis C. Wheeler 1933-12-2 2301 Riverside Tahquitz Canyon, San Jacinto Mts. 243 Comment
  SEINET5536155 Image available Alnus rhombifolia Lewis S. Rose 1938-1 38003 Riverside Whitewater 213 Comment
  CDA23676  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23101 Riverside San Jacinto Mountains; Lake Hemet, north shore at FS day use area Comment
  UCR115150  Amaranthus cruentus Mitch Provance 2000-12-11 2285 Riverside Riverside, UCR Botanic Garden, gully on east fence SE of the herb garden 366 Comment
  RSA667029  Amaranthus cruentus A. C. Sanders 2002-1-14 24890 Riverside Upper Santa Ana River/ San Bernardino Valley Region: Riverside, east side of Streeter Avs., 33 57 N, 117 25 W 238 Comment
  POM361077  Ambrosia X platyspina Anstruther Davidson 1895-04 2008 Riverside Palm Springs; Colorado Desert. Comment
  RSA3325  Ambrosia acanthicarpa C. B. Wolf 1931-10-14 2459 Riverside Cabazon, San Gorgonio Pass. 518 Comment
  RSA737123  Ambrosia acanthicarpa Justin M. Wood 2008-10-15 189 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UC896700  Ambrosia acanthicarpa Lewis S. Rose 1935-12-21 35679 Riverside Cabazon; Colorado Desert 609 Comment
  UCSB45946  Ambrosia acanthicarpa Roos, John 1965-9-26 Riverside Hemet Valley, San Jacinto Mtns. Comment
  CAS-BOT-BC22592  Ambrosia dumosa P. A. Munz; L. Street 1919-5-7 2733 Riverside Palm Springs 198 Comment
  CAS-BOT-BC22616  Ambrosia dumosa Ira L. Wiggins 1941-3-24 9575 Riverside Along eastern side of the Salton Sea, 2.7 miles S of Mortmar Comment
  IRVC729  Ambrosia dumosa L. T. McHargue 1966-11-25 s.n. Riverside Coachella Valley; 0.5mi. E of Junction of Ramon Road and 1000 Palms Canyon Road northern Sonoran Desert Comment
  RSA603806  Ambrosia dumosa L. C. Wheeler 1931-11-26 383 Riverside 2 mi. SE Salton Bench Mark, Colorado Desert. -61 Comment
  UC519938  Ambrosia dumosa Joseph Andorfer Ewan 1932-4-8 7029 Riverside near Garnet; Colorado Desert, Seven Palms Comment
  SFV21963  Ambrosia ilicifolia J. N. Hogue 2011-3-27 376 .3 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash at Corn Springs. 490 Comment
  UCR41632  Ambrosia ilicifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6075 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  LA203748  Ambrosia salsola Martha Hilend; 1929-3-24 sn -a Riverside Thousand Palms Comment
  OBI16020  Ambrosia salsola Lewis S. Rose 1962-3-2 62013 Riverside La Quinta 3 Comment
  SEINET2030196 Image available Ambrosia salsola Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley Comment
  JOTR37495  Ambrosia salsola var. salsola Hodges, Stephen R., L. Ashfield 2016-1-20 624 Riverside Joshua Tree National Park. Eagle Mountains, Black Eagle Mine road, northern edge of mountains near eastern park boundary (Stop 1). Comment
  UC489201  Amorpha californica var. californica C. V. Meyer 1928-7-27 Riverside Tahquitz Valley San Jacinto Mts. 2286 Comment
  HSC101785  Amorpha fruticosa J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13194 Riverside 1470 Comment
  HSC84285  Amsinckia intermedia J. Nevin 1987-4-9 37 Riverside Box Springs Mtn. Park 366 Comment
  RSA523542  Amsinckia intermedia Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4002 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR174451  Amsinckia intermedia A. C. Sanders 2006-5-11 32262 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UCR183173  Amsinckia intermedia Mitch Provance 2003-5-5 4414 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR215610  Amsinckia intermedia Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 06 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  SD244092  Amsinckia retrorsa A. C. Sanders, Timothy W. Chumley 2013-3-28 40708 Riverside Peninsular Range: Alberhill, along Lake Street, 1.45 km south of I-15 near old clay mines (Alberhill 7.5'Q) 395 Comment
  UCR214892  Amsinckia retrorsa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37683 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR241255  Amsinckia retrorsa T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1203 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  RSA0091473  Amsinckia tessellata C. L. Hitchcock 1940-4-2 5912 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA782811  Amsinckia tessellata A. C. Sanders, Nathan Moorhatch 2011-3-22 38763 Riverside Powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 473 Comment
  RSA772408  Amsinckia tessellata var. tessellata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4857 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
  RSA777766  Amsinckia tessellata var. tessellata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1087 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  UC878733  Amsonia tomentosa C. L. Hitchcock 1940-3-31 5882 Riverside 1/2 mi. below Cottonwood Spring Comment
  VVC1461  Andropogon glomeratus A. C. Sanders, J. Mac 1996-11-23 19657 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  SD146157  Anemopsis californica Andy C. Sanders, D. Bramlet, M. Costea, T. Salvato 1999-10-15 23183 Riverside San Jacinto Valley; Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Road., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCR174515  Anemopsis californica A. C. Sanders, John F. Green 2006-5-18 32377 Riverside Peninsular Range, French Valley, Briggs Road, stream crossing just south of Los Alamos Road, upstream of Adobe Spring and west of Hwy 79 409 Comment
  UCR201492  Anisocoma acaulis Scott D. White, Justin M. Wood 2008-5-15 11964 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  UC891795  Antennaria rosea P. A. Munz 1922-7-6 5977 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2225 Comment
  POM9753  Antennaria rosea E. C. Jaeger 1921-6-20 275 Riverside Long Valley, San Jacinto Mts. Comment
Read comments
Oct 6 2009
  RSA500552  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3595 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  UC1523681  Antirrhinum coulterianum Robert F. Thorne, Walter Wisura, Earl Lathrop and Sara Meury 1985-5-18 60622 Riverside Santa Rosa Plateau: Along Clinton Keith Road, near base of plateau 426 Comment
  UCR275195  Antirrhinum coulterianum T. B. Salvato, Gregg Miller 2005-6-7 1449 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  CLARK-A1528-4162  Antirrhinum filipes John C. Roos 1947-2-15 3238 Riverside Comment
  RSA425818  Antirrhinum filipes F. R. Fosberg 1932-3-13 8084 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  UC1929734  Antirrhinum kelloggii Scott D. White, Justin Wood 2008-4-3 11788 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. Comment
  UC1536018  Antirrhinum nuttallianum subsp. nuttallianum Robert F. Thorne and Earl Lathrop 1975-5-25 45547 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro (Mesa de Burro) 609 Comment
  RSA614868  Antirrhinum nuttallianum subsp. nuttallianum B. Pitzer 1997-4-11 3115 Riverside Lakeview Mtns Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. Approx. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM Nelson) 610 Comment
  RSA561016  Apiastrum angustifolium Steve Boyd, Timothy S. Ross 1992-5-4 7194 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA711034  Apiastrum angustifolium A. C. Sanders 2005-4-21 29564 Riverside Peninsular Range: Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak. 622 Comment
  UCR103917  Apiastrum angustifolium B. G. Pitzer 1997-4-11 3112 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR99157  Apiastrum angustifolium A. C. Sanders, G. Helmkamp 1997-3-15 19994 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  POM366955  Aquilegia formosa var. truncata E. C. Jaeger 1921-7-2 s.n. Riverside Idyllwild, San Jacinto Mountains. 1585 Comment
  RSA0125490  Arabis M. B. Dunkle 1935-3-31 4436 Riverside Hills North Cottonwood Springs. Colorado Desert. 701 Comment
  RSA557743  Arabis johnstonii John F. Emmel 1983-6-6 862 Riverside SE end San Jacinto Mountains, ridge 0.8 air mile N of Pyramid Peak 2072 Comment
  RSA66494  Arabis perennans F. W. Peirson 1933-4-15 10656 Riverside Steep South slope of Whitewater Canyon, head of Coachella Valley. 701 Comment
  RSA0129340  Arabis perennans Henry J. Ramsey, Mrs. Ramsey 1938-4-23 2186 Riverside Santa Rosa Mountains. Comment
  CLARK-A1528-2291  Arabis pulchra John C. Roos 1962-3-24 Riverside Whitewater 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
  UCR121643  Arctostaphylos glandulosa A. C. Sanders, Kent Beaman 2002-5-10 25056 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
  RSA629423  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16846 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629457  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16816 Riverside Rd. to Thomas Mtn. (5S15), 11 km north of Toolbox Spring. San Jacinto Mtns. 1520 Comment
  UC1121519  Arctostaphylos glandulosa subsp. zacaensis A. E. Wieslander 1936-8-29 680 Riverside 5 mi sw Rayneta; San Bernardino National Forest, San Jacinto Quadrangle 1524 Comment
  POM49870  Arctostaphylos glandulosa var. adamsii P. A. Munz, I. M. Johnston 1924-7-29 8859 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  CAS-BOT-BC24667  Arctostaphylos glauca Vernon O. Bailey 1907-9-11 1276 Riverside Edge of Mojave Desert, e. of Morongo Valley. Comment
  RSA631748  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19289 Riverside Highway 79, at Radec. 580 Comment
  RSA631794  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19564 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  UCR140686  Arctostaphylos glauca Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 62 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  RSA0062646  Arctostaphylos glauca Dave Kelley 1949-1-20 s.n. Riverside Bautista Canyon about 7-10 miles east of Hemet. 518 Comment
  RSA633542  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22667 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633566  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20156 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633593  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16690 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633624  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16698 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633659  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16667 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633672  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20111 Riverside Northeast slope of Santa Rosa Mountain, above Pinyon Flats. 1600 Comment
  RSA633691  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16660 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633755  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16708 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  SEINET3101904  Arctostaphylos pringlei Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17374 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  CAS-BOT-BC44363  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idylwild Comment
  RSA604157  Arctostaphylos pringlei subsp. drupacea W. B. Welch 1928-5-5 s.n. Riverside Idyllwild, San Jacinto Mts. Comment
  RSA635656  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16640 Riverside Road to Santa Rosa Mtn. (7S02), 3.7 km south of Hwy 74. 1610 Comment
  RSA635797  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16553 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA635802  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16521 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  RSA635995  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21613 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  RSA636006  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19553 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636179  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19474 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
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Jun 8 2012
  SD180724  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 407 Riverside Santa Margarita Ecological Reserve, along A!Highlands TrailA(r) at northern rim of mesa-top. 654 Comment
  UCR161150  Arctostaphylos rainbowensis John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  SBBG34202  Argemone munita T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  RSA722445  Argemone munita subsp. munita J. R. Bruff 1928-4-3 181 Riverside 13 miles W of Desert Center. Comment
  JOTR30678  Aristida adscensionis La Doux, Tasha, Jim Andre 2008-9-13 273 Riverside Joshua Tree National Park. At the base of NW end of Belle Mountain at Pinto Wye Maintenance service area 1103 Comment
  SBBG57071  Aristida adscensionis M. N. Ackley -Mar-1928 51 Riverside Colorado Desert 60 Comment
  UCR198199  Aristida adscensionis Michael Honer, L. Hulse 2004-4-3 1916 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  UCR72762  Aristida adscensionis Megan Phillips 1991-10-17 92- 20 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Palm Springs, Tahquitz debris bain at base of Tahquitz Canyon, off Sunnydunes Drive Comment
  SEINET10467838  Aristida adscensionis David B. Dunn 1946-3-15 Dunn 2026 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
  SEINET10971745  Aristida adscensionis David B. Dunn 1946-3-15 Dunn 2035 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
  CLARK-A1528-4471  Aristida hamulosa John C. Roos 1941-8-2 82 Riverside San Jacinto River 761 Comment
  UC1130848  Aristida purpurea H. S. Yates 1937-6-27 6711 Riverside Lower San Jacinto River Canyon San Jacinto Quadrangle Comment
  UCSB37795  Aristida purpurea Roos, John 1965-9-26 Riverside Palm Springs 121 Comment
  UCD56536  Aristida purpurea var. fendleriana F. M. Reed 1933-5-31 7921 Riverside soutthern California, Santa Rosa Indian Reservation, near bridge on Palms to Pines road. Comment
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May 1 2011
  CLARK-A1528-4488  Aristida purpurea var. glauca John C. Roos 1946-9-14 3029 Riverside San Jacinto Mountains 1188 Comment
  UCR201658  Aristida purpurea var. longiseta Scott D. White, Justin M. Wood 2008-6-5 12063 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  JOTR30088  Aristida purpurea var. purpurea La Doux, Tasha, Alice Miller 2007-5-8 1732 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., frequent in road shoulder. 1385 Comment
  RSA595264  Aristida ternipes var. gentilis D. L. Banks, Dylan Hannon 1996-5-3 984 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric W facing slope, approximately 350 m SE of the Helipad at the upper camp sites. 539 Comment
  UCR128236  Artemisia californica A. C. Sanders, Kelly Volansky 2003-10-16 27351 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCD129231  Artemisia dracunculus Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-11 3708 Riverside Vail Lake area, Wilson Creek at east end of lake. Comment
  UCR195800  Artemisia ludoviciana subsp. albula Jim Andre, T. La Doux 2007-9-6 8704 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  CAS-BOT-BC93651  Artemisia ludoviciana subsp. incompta Louis C. Wheeler 1931-10-4 171 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  RSA417413  Artemisia tridentata Gale Sphon 1955-5-22 s.n. Riverside Vandeventer Flats Comment
  UCR138556  Artemisia tridentata Steve Boyd, D. E. Bramlet 1988-10-8 2877 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  UCR34905  Artemisia tridentata L. B. Ziegler 1964-8-10 003 Riverside San Jacinto Mtns, Garner Valley 1375 Comment
  CLARK-A1656-632  Asclepias albicans Lois Ann Scott 1978-4-18 Riverside Mecca Hills 304 Comment
  UCR25126  Asclepias albicans John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mtns., Lost Palms Canyon, north of Chiriaco Summit Comment
  RSA496467  Asclepias californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3083 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  JEPS6287  Asclepias eriocarpa Marjorie D. Clary 1932-7-4 1208 Riverside Santa Rosa Mts. Kenworthy area; , Kenworthy area 1371 Comment
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Mar 25 2011
  RSA401110  Asclepias subulata M. B. Dunkle 1934-3-18 3859 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  SD224819  Asclepias subulata B. Pitzer 1996-11-9 2927 Riverside Orocopia Mts: Bob's Cabin, ca 4 rd mi. N of Salt Creek Rd & 4.5 air mi. S of the W end of Hayfield Lake. Hayfield 15' USGS Quad. 609 Comment
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Mar 14 2015
  UCR180152  Asclepias subulata Scott D. White, Pam Devries 2006-3-14 11245 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
  SEINET10637411  Asclepias subulata Mckelvey 1935-12-24 MCKELVEY 5045 Riverside Foothills of the mountains about La Quinta Comment
  RSA585635  Aspidotis californica Darin L. Banks, Steve Boyd 1995-3-15 70 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  RSA698472  Aspidotis californica Jeanne Paxton 1934-4-16 s.n. Riverside Hagador Canyon Comment
  JOTR33932  Astragalus bernardinus La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2822 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  JOTR30258  Astragalus coccineus Leary, C. and Leary, Pat 1979-5-6 3030 Riverside Joshua Tree National Park. ca. 1.0 mi S.E. of Quail Mtn., Joshua Tree N.M., T2S R7E sec 14 Comment
  NY43150  Astragalus coccineus J. B. Walker 1995-5-4 1414 Riverside San Bernardino National Forest, Hwy 74, 3km E of junction with Santa Rosa Mtn Rd 1400 Comment
  RSA659768  Astragalus didymocarpus J. C. Roos 1952-4-30 5606 Riverside Hills between Camp Haan and Riverside 518 Comment
  HSC85407  Astragalus didymocarpus var. didymocarpus Steve Boyd 1986-4-2 1620 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA0009606  Astragalus didymocarpus var. dispermus Marcus E. Jones 1903-5-11 s.n Riverside Banning. 701 Comment
  RSA45537  Astragalus didymocarpus var. dispermus J. C. Roos 1949-3-9 4113 Riverside Near Indio Comment
  RSA49368  Astragalus didymocarpus var. dispermus P. A. Munz 1949-4-11 12996 Riverside North base of Eagle Mtns. 945 Comment
  CAS-BOT-BC182644  Astragalus douglasii Scott D. White 1996-8-1 4422 Riverside Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area. San Jacinto Mts. 1830 Comment
  UCSB10912  Astragalus douglasii Breedlove, Dennis 1961-5-6 Riverside 4.2 mi. SW of Vista Grande Guard Station on Riverside Highway 1 near Allendale Pines; San Jacinto Mtns. 1798 Comment
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Jun 2 2013
  SEINET948243  Astragalus douglasii var. parishii H. S. Gentry 1962-1 19742 Riverside Ca. 4 mi. NE of Murrieta, along Los Alamos Road. 396 Comment
  UC454087  Astragalus douglasii var. parishii I. J. Condit 1910-6-21 Riverside Strawberry Valley , Strawberry Valley (San Jacinto Mts.) 1524 Comment
  RSA500980  Astragalus gambelianus Steve Boyd 1989-4-2 3202 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  RSA0009771  Astragalus insularis var. harwoodii Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA0037330  Astragalus insularis var. harwoodii John C. Roos 1958-3-15 s.n. Riverside Chuckwalla Mtns., 3 miles SE of Desert Center. Comment
  POM13020  Astragalus lentiginosus var. coachellae P. A. Munz, D. D. Keck 1922-4-14 4963 Riverside Indian Wells 107 Comment
  RSA774902  Astragalus lentiginosus var. coachellae Duncan S. Bell, Amber Swanson 2011-2-18 2024 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UC862737  Astragalus lentiginosus var. coachellae Ivan Johnston Apr 4 1917-Apr 6 1917 Riverside Whitewater Colorado Desert, Whitewater (Colorado Desert, in sand around station) Comment
  UCR208171  Astragalus lentiginosus var. coachellae H. D. Ripley, R. C. Barneby 1942-4-2 4271 Riverside Sonoran (Colorado) Desert, Palm Springs 137 Comment
  UCR24506  Astragalus lentiginosus var. coachellae L. F. LaPre 1981-4-14 s.n. Riverside Coachella Valley, Palm Desert; 2 mi north of junction of Monterey Ave. & Country Club Dr. Comment
  POM172737  Astragalus mohavensis var. mohavensis M. French Gilman 1930-4-6 4 Riverside [Monsen] Canyon, Eagle Mts. Comment
  CAS-BOT-BC194141  Astragalus pomonensis M. E. Jones 1882-4-27 s.n. Riverside Temecula Comment
  POM2003  Astragalus pomonensis I. M. Johnston 1918-4-3 s.n Riverside Valle Vista above Hemet. 534 Comment
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Nov 20 2011
  RSA653227  Astragalus pomonensis A. C. Sanders, T. B. Salvato 2000-5-25 23401 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  SEINET3132645  Astragalus pomonensis R. W. Spellenberg, D. Jackson 1972-5-19 2821 Riverside Road to Teneja Guard Station, 8.0 mi SE of station, 7.6 mi NW of Murieta Comment
  RSA606389  Athysanus pusillus Jon E. Keeley 1994-4-7 25288 Riverside Shipley Reserve, study site Sh4. S of Hemet, S end of Rawson Road 660 Comment
  UCR91225  Athysanus pusillus Scott D. White 1996-3-31 3866 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  CAS-BOT-BC98820  Atrichoseris platyphylla R. Bacigalupi 1928-2-1 s.n. Riverside Colorado Desert - Painted Canyon Comment
  RSA418187  Atrichoseris platyphylla N. C. Cooper 1949-4-8 3289 Riverside Shaver's Summit east of Indio 610 Comment
  SEINET3930666  Atriplex canescens Carl B. Wolf 1932-10-13 4316 Riverside Caleb (Southern Pacific railway sliding), 4.5 miles Southeast of Mecca, Colorado Desert. Lower Sonoran Zone.; 0 610 Comment
  UC850851  Atriplex canescens Carl B. Wolf 1932-10-13 4322 Riverside ne side Salton Sea (at Durmid, ne side S. P. R. R. tracks, Colorado Desert); Colorado Desert, ne side Salton Sea, Durmid -60 Comment
  UCD97288  Atriplex canescens K. Esau 1935-6-15 s.n. Riverside Riverside County. Comment
  UCR142799  Atriplex canescens I. M. Johnston 1917-4-4 1033 Riverside Sonoran (Colorado) Desert, near Palm Springs 183 Comment
  CAS-BOT-BC170278  Atriplex confertifolia J. Von Loh 1978-7-11 60375 A Riverside Edwards' AFB - Mojavie D. 762 Comment
  RSA0135522  Atriplex coronata var. notatior David E. Bramlet, Fred Roberts 2005-5-5 3846 Riverside Upper Salt Creek, 3.7 miles northwest of Hemet. 500ft. north of Devonshire Ave. and 100ft west of Warren Road; 50 ft. east of the MWD canal. 456 Comment
  RSA520929  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2054 Riverside California Dept. of Fish and Game, San Jacinto Wildlife Area. Populations are found just west of the old San Jacinto river channel and adjacent to the first waterfowl pond. 476 Comment
  RSA532564  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2178 Riverside 1.4 km west of Nuevo and some 10 m. south of the end of the 12th street. The population is some 17 m. east of the San Jacinto River. 473 Comment
  SD133117  Atriplex coronata var. notatior D. Bramlet 1990-7-20 2051 Riverside 6.0 km west of Lakeview and just south of Ramona Expressway. 430 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
  CAS-BOT-BC334494  Atriplex elegans var. elegans R. E. Riefner, Jr. 2013-8-17 13 -190 Riverside City of Lake Elsinore, along Collier St. and Hwy 74 S to Temescal Wash. 393 Comment
  UCD169480  Atriplex glauca R. E. Riefner Jr. 2002-12-12 2- 521 Riverside Peninsular Range; Temescal Canyon Mouth: city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15. 216 Comment
  RSA27520  Atriplex hymenelytra I. L. Wiggins 1941-3-24 s.n. Riverside 0.5 miles from beach on east side of Salton Sea, 1 mile north of Imperial Co. Line Comment
  RSA486455  Atriplex lentiformis subsp. breweri Richard Noyes, L. Arnseth 1988-10-30 761 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  OBI40177  Atriplex muelleri J. C. Roos 1965-10-17 s.n. Riverside 20 mi W of Blythe on the roadside Comment
  UCR239218  Atriplex polycarpa Thomas R. Stoughton, E. Gardner, D. Bell 2010-11-12 714 Riverside Colorado Desert; Northeastern Colorado Desert, Coachella Valley Preserve. Site #3. Ca 0.25 mile E of road 305 Comment
  RSA689386  Atriplex rosea Scott D. White 2003-6-9 9523 Riverside Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  UCR77764  Atriplex rosea Steve Boyd 1991-7-13 6411 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  UCR8992  Atriplex semibaccata O. F. Clarke 1969-9-26 s.n. Riverside San Bernardino Valley/upper Santa Ana River Region, City of Riverside, University of California campus 335 Comment
  UCR199793  Atriplex serenana var. serenana Scott D. White, Justin M. Wood 2008-6-13 12105 Riverside Beaumont Badlands, San Timoteo Canyon, near El Casco Lake (private pond) east of the road 610 Comment
  RSA557311  Atriplex suberecta Julie Greene, Steve Boyd, D. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1411 Riverside San Jacinto Wildlife Area. 433 Comment
  RSA350336  Baccharis emoryi L. C. Wheeler 1933-12-2 2311 Riverside Santa Ana River at Chino Creek 152 Comment
  RSA44349  Baccharis emoryi W. I. Follett 1948-10-31 s.n. Riverside 7.3 miles W & 7.4 miles S of Blythe Comment
  RSA518205  Baccharis emoryi O. F. Clarke 1970-10-20 s.n. Riverside Growing wild at the UCR Botanic Gardens, on the Campus of University of California Comment
  CLARK-A1528-1626  Baccharis glutinosa John C. Roos 1949-9-21 4664 Riverside Reche Canyon 457 Comment
  CHSC8378  Baccharis salicifolia Edward L. Smith 1957-4-3 257 Riverside Located at entrance to White Water Canyon. San Bernardino Mts. Comment
  SEINET899225  Baccharis salicifolia H. K. Wagnon 1944-1 313 Riverside About 100 yds. S. of Trading Post, Palm Canon Comment
  UCR97239  Baccharis salicifolia Scott D. White 1997-2-9 4674 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  UC472157  Baccharis salicina J. Ewan 1931-10-3 5216 Riverside 4 mi nw of Corona; Santa Ana River Comment
  CAS-BOT-BC99819  Baccharis sarothroides Edmund C. Jaeger 1938-11-2 s.n. Riverside gully near Gulliday Well, south-west base of Chuckawalla Mts. 274 Comment
  SD137908  Baccharis sarothroides Darin L. Banks, Steve Boyd 1995-10-17 780 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area along lower Arroyo Seco. 515 Comment
  CDA10400  Baccharis sergiloides T. C. Fuller 1959-4-8 2472 Riverside Edge of Colorado River, 6 miles south of Ripley. 0 Comment
  SEINET899356  Baccharis sergiloides C. B. Wolf 1932-1 4272 Riverside Colorado Desert. Little San Bernandino Mts. Morongo Wash, 3/10 mi. below San Bernandino Co. line 671 Comment
  UCR89659  Baccharis sergiloides Bern Schwenn 1994-2-13 s.n. Riverside Colorado Desert/Santa Rosa Mtns., Santa Rosa Mtns, west fork Agua Alta Canyon. 657 Comment
  UC64810  Baileya pauciradiata E. E. Schellenger 1904-10-16 35 Riverside 2 mi s Palm Springs Comment
  UCR123607  Bauhinia variegata Wendy Walters 2001-3-23 s.n. Riverside Western Colorado Desert, Coachella Valley, La Quinta at corner of Jefferson St. and Ave. 50 11 Comment
  POM122201  Bebbia juncea Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  SEINET10925101  Bebbia juncea David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2885 Riverside Pushawalla Canyon Biota. Indio Hills. In dry wash. Comment
  JEPS20769  Bebbia juncea var. aspera Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13263 Riverside divide betw. Little Maria and Big Maria Mts., .5 mi s of Styx siding near Midland Comment
  RSA0121246  Bebbia juncea var. aspera Sherwin Carlquist 1958-10-12 627 Riverside Eagle Mt., pumping station. Comment
  UC729730  Bebbia juncea var. aspera Carl B. Wolf 1932-4-27 1476 Riverside 14 mi e of Mecca (on Blythe Road (e of Shavers Well), Colorado Desert); Colorado Desert, Blythe Road 152 Comment
  UCR277805  Bebbia juncea var. aspera A. C. Sanders, Jim Malusa 2017-1-14 42657 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  CLARK-A1656-758  Beloperone californica Theo Glenn 1982-1-22 Riverside Palm Springs 149 Comment
  POM160114  Berberis nevinii E. C. Jaeger 1927-4-20 s.n. Riverside Aguanga Comment
  RSA0008555  Berberis nevinii J. C. Roos, Lucille Roos 1949-5-21 4321 Riverside Near Vail Dam, 2 miles north of Dripping Springs, southwestern Riverside County. Comment
  RSA550477  Bergia texana D. E. Bramlet 1992-5-15 2286 Riverside San Jacinto Wildlife Area; Drying bed of the old San Jacinto channel, some 610 m. from the intersection of the old channel w/ the new San Jacinto River channel. The site is approximately 790 m. west of Davis Road. 433 Comment
  SEINET6062232  Bernardia myricifolia Unknown Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR89595  Bernardia myricifolia Bern Schwenn 1994-5-14 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well, along old road/trail c. 100 yards north of well site 1021 Comment
  UCR120536  Berula erecta D. E. Bramlet 2000-8-30 3066 Riverside Lake Skinner Regional Park. Tucalota Creek, just east of the equestrian bridge which crosses the creek. 1400-1500 ft north of the dirt service road (1487), and 2,600 - 2,700 ft. SE of the service road in Section 6 (1516) 470 Comment
  CLARK-A1528-404  Beta vulgaris John C. Roos 1951-10-24 5334 Riverside Riverside 228 Comment
  CAS-BOT-BC478937  Bloomeria crocea var. crocea Steve Boyd 1986-4-22 1762 Riverside Temescal Canyon, terrace escarpment W side of Indian Wash, S of I-15 Comment
  RSA33615  Bloomeria crocea var. crocea N. C. Cooper 1944-7-16 1542 Riverside San Jacinto Mtns., Pine Cove. 1524 Comment
  UCR22156  Bloomeria crocea var. crocea Steve Boyd 1980-5-13 267 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  RSA634212  Boechera californica R. F. Thorne, C. W. Tilforth, J. P. Simon 1969-6-24 38138 Riverside San Jacinto Mountains: San Bernardino National Forest. Hilltop above Lake Fulmor. 1676 Comment
  RSA0123112  Boerhavia coccinea Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9019 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
  RSA776753  Boerhavia coccinea Steve Boyd, Gary D. Wallace 2005-7-30 11657 -B Riverside Chino Canyon, southern base of the range, upper end of main parking lot at Valley (lower) station of the Palm Springs Aerial Tramway 793 Comment
  SD255216  Boerhavia coulteri var. palmeri Sarah J. De Groot, Amy Rouillard 2015-9-15 7564 Riverside Ford Dry Lake, Chuckwalla Valley north of I-10. 106 Comment
  JOTR30685  Boerhavia triquetra Andre, Jim, Tasha La Doux 2008-9-13 10273 Riverside Joshua Tree National Park. Eagle Mountains at Joshua Tree National Park boundary, lower slopes of south end of Eagle Mtns., along aqueduct access road. 354 Comment
  RSA462667  Boerhavia triquetra C. M. Dammers 1924-10-6 s.n. Riverside Cottonwood Springs Comment
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Oct 13 2012
  RSA0106750  Boerhavia wrightii Duncan S. Bell 2011-9-30 2937 B Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  VVC2114  Boerhavia wrightii Tim Thomas 2012-8-23 5869 Riverside Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10 168 Comment
  CLARK-A1528-1266  Bothriochloa barbinodis E. W. Lathrop 1965-4-26 Riverside Comment
  SD137967  Bothriochloa barbinodis Darin Banks, Steve Boyd 1995-10-17 798 Riverside Northwest Palomar Mountains, Agua Tibia Mountains, Cleveland National Forest, Agua Tibia wilderness area, along lower arroyo seco, South of the Dripping Springs Campground Comment
  RSA192671  Bouteloua aristidoides Marcus E. Jones 1929-9-16 24721 Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  RSA0099442  Bouteloua barbata Duncan S. Bell, Evan Meyer 2014-10-29 7696 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA784778  Bouteloua barbata Duncan S. Bell 2012-3-18 3182 Riverside The Mecca Hills; southeastern section of hills; in labyrinthian slot canyons to the east of Hidden Canyon, approximately 2.2 air miles southwest of Hidden Spring. 74 Comment
  UCR227593  Bouteloua barbata Duncan S. Bell, Joy England 2010-10-5 1976 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.75 air miles southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1387 Comment
  CAS-BOT-BC145605  Bouteloua barbata var. barbata J. C. Roos 1965-9-5 s.n. Riverside 18 miles west of Blythe. Comment
  JOTR32106  Bouteloua barbata var. barbata Harding, Mitzi, Kipp Callahan 2012-8-27 281 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  RSA780243  Bouteloua barbata var. barbata Stephanie Rockwood, Christi Gabriel 2011-10-12 100 Riverside Unnamed Road heading toward Arica Mountains. Off Blythe/Rice Road. Base of Aricas. 334 Comment
  CAS-BOT-BC224907  Bowlesia incana A. C. Sanders 2011-4-6 39019 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  CAS-BOT-BC95428  Bowlesia incana E. A. Zumbro 1902-4-1 s.n. Riverside Box Springs Mtn. Comment
  CHSC109259  Bowlesia incana Scott D. White; Justin M. Hood 2008-7-9 12423 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. 1402 Comment
  JEPS14078  Bowlesia incana W. L. Jepson 1939-4-17 19133 Riverside near Twin Springs (n end of Temescal Canyon); Temescal Canyon 274 Comment
  RSA0124121  Brandegea bigelovii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8740 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  RSA207686  Brandegea bigelovii James Henrickson 1969-11-8 4371 Riverside 5 air mi S of Palm Desert near top of Seven Level Hill at scenic stop 671 Comment
  SBBG29366  Brandegea bigelovii D. Myrick 1968-3-3 1796 Riverside Box Cyn E of Mecca 304 Comment
  SD44855  Brandegea bigelovii Darley F. Howe 1952-4-27 2188 Riverside Box Canyon, E of Mecca Comment
  UCR144414  Brandegea bigelovii Scott D. White, Michael Honer 2003-5-15 9313 Riverside Sonora (Colorado) Desert, Bajada below Little Maria/Big Maria Mtns, near Inca RR siding and c. 15 air mi NW of Blythe 76 Comment
  UCR193961  Brassica fruticulosa A. C. Sanders 2008-3-2 34418 Riverside Peninsular Range, Box Springs Mtns., Two Trees Canyon along foot trail along north side of riparian thicket, beyond the end of the old road 428 Comment
  CLARK-A1528-345  Brassica geniculata Bob Sullivan 1966-3-26 Riverside Lake Mathews 396 Comment
  POM312158  Brassica juncea N. C. Cooper 1944-6-17 1387 Riverside San Jacinto Mountain. West side. 1372 Comment
  UCR91373  Brassica kaber Scott D. White, M. Jacobsmeyer 1996-4-20 3963 Riverside Perris Basin, Perris area: just south of Perris Airport, SE of Goetz Road/ Mapes Road intersection, north of San Jacinto River Channel 430 Comment
  UC56980  Brassica rapa H. M. Hall 1902-4-4 2959 Riverside vicinity of Riverside; Southern California 243 Comment
  RSA339319  Brassica tournefortii R. F. Thorne, W. A. Tilforth 1980-5-28 54198 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA793532  Brassica tournefortii Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3955 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  SBBG35085  Brassica tournefortii T. L. Secrest 1948-4-10 Riverside near Hemet Comment
  UCD114636  Brassica tournefortii A. C. Sanders 1988-1-18 7588 Riverside Riverside. W end of the Box Springs Mountains on S-facing slopes of Sugarloaf Peak. Comment
  UCR166003  Brassica tournefortii Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  CAS-BOT-BC106340  Brickellia atractyloides var. arguta J. E. Cole 1942-5-19 959 Riverside Ruby Lee Mine, Joshua Tree National Monument 914 Comment
  JEPS23548  Brickellia atractyloides var. arguta Peter H. Raven 1958-5-18 12994 Riverside Along State Highway 74, 4.9 mi NE of Pinon Flats, San Jacinto Mountains. Comment
  UCR176894  Brickellia californica Tracy Tennant 1998-7-1 s.n. Riverside Double Butte, between Winchester and Homeland 762 Comment
  CAS-BOT-BC106195  Brickellia desertorum Alice Eastwood 1913-4-30 3065 Riverside Palm Canyon [Canon], Palm Springs Comment
  JOTR36390  Brickellia desertorum La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3343 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  POM301772  Brickellia desertorum J. Cole 1942-5-19 960 Riverside Ruby Lee Mine, Joshua Tree National Monument. 915 Comment
  UC894158  Brickellia desertorum Carl B. Wolf 1932-10-13 Riverside Cottonwood Springs, Eagle Mts., Colorado Desert Colorado Desert, Eagle Mts., Cottonwood Springs 289 Comment
  UCR109484  Brickellia desertorum A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19650 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  UCR163887  Brickellia desertorum B. G. Pitzer 2001-11-4 4350 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  RSA0042857  Brickellia incana Duncan S. Bell, LeRoy Gross 2014-3-20 6271 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UCSB37838  Brickellia incana Roos, John 1965-6-23 Riverside Colorado Desert; Lost Palms Wash, north of Chiriaco Summit near the Eagle Mtns. Comment
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Mar 26 2011
  RSA234087  Brodiaea filifolia Robert F. Thorne, E. Lathrop 1969-6-6 39323 Riverside Rancho, Mesa de Colorado 625 Comment
  RSA559357  Brodiaea santarosae Steve Boyd, Timothy S. Ross 1992-5-15 7385 Riverside Southern Santa ana Mtns., southern flank of Elsinore Peak along old Main Divide Road track about 1/4 mile due south of radio towers, 1037 Comment
  IRVC12858  Brodiaea terrestris subsp. kernensis B. T. Gittins 1966-5-1 1287 Riverside Santa Rosa Plateau. Peninsular Ranges, Santa Ana Mountains Comment
  SD114890  Brodiaea terrestris subsp. kernensis Earl W. Lathrop 1979-5-16 Riverside Mesa de Colorado, 6 miles west, Murrieta. About vernal pools, border of pools in the grassland. (IPB 2/08) Comment
  UCR260846  Bromus arizonicus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41412 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  RSA522268  Bromus berteroanus Steve Boyd, D. E. Bramlet, Harry Spilman 1989-4-30 3514 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
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Mar 22 2011
  UCR125474  Bromus carinatus A. C. Sanders 2003-4-6 25945 Riverside San Bernardino/Santa Ana River Valley Region, Riverside, weed in yard at 422 Campus View Dr. 341 Comment
  HSC99954  Bromus diandrus J. P. Smith, & J. O. Sawyer 2011-6-9 13201 Riverside 1470 Comment
  UCR174075  Bromus hordeaceus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32589 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
  RSA600397  Bromus rubens V. W. Steinmann, D. B. Steinmann 1996-3-16 811 Riverside Northeast foothills of the San Jacinto Mountains, lower portion of Chino Canyon alluvial plain, 1 kilometer S of Highway 111 at a point ca. 1.5 kilometer NW of the Tramway-San Rafael intersection. 300 Comment
  UCR234258  Bromus rubens A. C. Sanders 2012-4-12 40032 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between El Hermano Rd. and I-15 crossing near Mayhew Canyon 311 Comment
  RSA597950  Bromus rubens F. M. Reed 1926-4-16 4692 Riverside Riverside. 274 Comment
  RSA613628  Bromus tectorum D. L. Banks, Victor Steinmann 1997-3-13 1489 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA776209  Bromus tectorum Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 879 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 793 Comment
  UCR116597  Bromus tectorum A. C. Sanders 2001-4-8 23989 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  UCR140292  Bromus tectorum A. C. Sanders 2004-4-9 27460 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR201704  Bromus tectorum Scott D. White, Justin M. Wood 2008-5-15 12003 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR168225  Bromus trinii Mary F. Spencer 1920-4-5 1545 Riverside Sonoran (Colorado) Desert, Palm Springs 122 Comment
  UCR2262  Bromus trinii F. M. Reed 1920-3-24 4236 Riverside Western Colorado Desert, Murray Canyon, a tributary of Palm Canyon near Palm Springs 305 Comment
  SEINET2060499 Image available Caesalpinia E. R. Blakley 1961-9-10 4709 Riverside Cactus City on U.S. Hwy 60-70 E of Indio. 504 Comment
  POM179223  Caesalpinia virgata A. M. Alexander, Louise Kellogg 1941-5-17 2192 Riverside Near Dos Palmas Comment
  UC51609  Caesalpinia virgata Jos. Burtt Davy 1902-3-25 7936 Riverside Indio Comment
  UCR86192  Caesalpinia virgata A. C. Sanders 1995-5-23 17125 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  SEINET7347679  Caesalpinia virgata G. C. Wheeler, J. Wheeler 1969-4-11 s.n. Riverside Deep Canyon Desert Research Area Comment
  CLARK-A1528-3832  Calandrinia ciliata John C. Roos 1966-3-24 Riverside Winchester Comment
  UCR226076  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2011-4-1 38945 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  RSA572185  Calocedrus decurrens C. Epling 1931-10-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1524 Comment
  UC215292  Calocedrus decurrens Geo. B. Grant 1901-1-1 691 Riverside San Jacinto Mts. Pacific Coast, San Jacinto Mts. 914 Comment
  UCR154627  Calochortus A. C. Sanders, Mike Misenhelter 2005-6-15 30994 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR215366  Calochortus palmeri var. munzii Fred M. Roberts 2006-6-28 6347 Riverside Peninsular Range; San Jacinto Mountains, Little Thomas Mountain; upper Spillway Canyon, Thomas Mountain Road, 2.9 km by road from jct. SR74 and 2.1 km (air) north of Little Thomas Mountain 1440 Comment
  UCR178202  Calochortus plummerae Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 644 Riverside San Bernardino Mtns., Morongo Indian Reservation, ridge east of upper Hathaway Canyon, west of Burro Flats 1037 Comment
  CLARK-A1528-20  Calochortus splendens C. M. Flanagan 1973-5-31 OO 613 Riverside Morongo Indian Reservation Comment
  POM123271  Calochortus splendens Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UCR158317  Calochortus splendens A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30045 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
  UCR174331  Calochortus splendens A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32559 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
  JOTR34060  Calycoseris parryi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2958 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  RSA0121001  Calycoseris wrightii Duncan S. Bell, LeRoy Gross 2016-3-8 8832 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.5 air miles north of the Bradshaw Trail. 417 Comment
  UCD129994  Calycoseris wrightii M. F. Wojciechowski; M. J. Sanderson 1993-3-24 280 Riverside Little Maria Mountains, near Midland. Comment
  UCR29780  Calycoseris wrightii George K. Helmkamp 1983-3-24 383- 14 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  RSA422172  Calystegia macrostegia subsp. arida Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA18953  Calystegia macrostegia subsp. intermedia Roxana S. Ferris, Ruth P. Rossbach 1938-5-20 9664 Riverside Foot of grade, State Highway #74, along San Jacinto River. Comment
  RSA394915  Calystegia macrostegia subsp. intermedia J. D. Olmsted 1962-5-10 3618 Riverside L. Matthews Road ca. 1/2 mi. W of dam 427 Comment
  SDSU13485  Calystegia macrostegia subsp. intermedia C. Matt Guilliams, Linz, Tahirih 2000-4-29 Riverside Insect trail at Santa Margarita Ecological Reserve, approx. 1.5 miles NE of Gavalin Mountain. 354 Comment
  SJSU8764  Calystegia macrostegia subsp. intermedia G. E. Eberle 1962-12-27 77 Riverside upper end of Two Trees Rd, Riverside Comment
  RSA0051250  Calystegia macrostegia subsp. longiloba Paul McLaughlin 1976-4-7 0407761 Riverside Box Springs Mountains one mile west of Box Springs Mt. Road along County Park trail. 822 Comment
  SEINET2445404  Calystegia sepium Daphne K. Christopher, Hannah Stevens 2003-4-8 116 Riverside Santa Rosa Plateau Nature Conservancy Preserve. Coyote Trail near Hidden Valley trailhead. 556 Comment
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May 12 2020
  RSA0021242  Camissonia arenaria Amber Swanson, Duncan S. Bell 2011-3-20 246 Riverside Canyon Springs area N of the Bradshaw Trail. 340 Comment
  CSUSB170  Camissonia bistorta Kirk Taylor 1976-5-29 76-5-29 7 Riverside Fairmount Park, city of Riverside; West end of Lake Evans. Comment
  POM49675  Camissonia bistorta J. D. Abrams 1901-5-20 s.n. Riverside Elsinore. Comment
  RSA465930  Camissonia bistorta Ora M. Clark 1929-2-23 1664 Riverside near Whitewater Comment
  UCR178151  Camissonia bistorta T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 908 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
  UCR232076  Camissonia bistorta John F. Green 2008-4-24 15- 02 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, in vicinity of Riverside St. 488 Comment
  RSA510056  Camissonia boothii B. Pitzer 1988-3-10 652 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  UCR85165  Camissonia boothii A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16084 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  RSA4893  Camissonia boothii subsp. condensata Carl B. Wolf 1932-4-27 3009 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA676261  Camissonia brevipes Scott D. White 2001-4-3 8267 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR17566  Camissonia brevipes A. C. Sanders 1976-4-14 444 Riverside Western Colorado Desert, Painted Canyon, Mecca Hills Comment
  RSA504968  Camissonia brevipes subsp. brevipes D. Charlton 1988-2-18 1150 Riverside Little San Bernardino Mountains. south side of range. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Monument, parallel to I-10. 5 miles E of Junction of Dillon Road and Fargo Canyon Road. 762 Comment
  RSA162841  Camissonia californica J. D. Olmsted 1958-6-15 189 Riverside San Jacinto Mountains. Intersection of Strawberry Creek with Idyllwild-Hemet road [Hwy 74] 8 miles below and West of Mt. Center. Along roadside. 915 Comment
  RSA0028748  Camissonia californica Lyman Benson 1933-3-31 4179 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  SEINET7048153  Camissonia californica Steven R. Hill 2001-5-3 33654 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
  JOTR30136  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha 2008-2-4 1703 Riverside Joshua Tree National Park. Stop #2: Hexie Mtns./ Porcupine Wash; deep canyon. 778 Comment
  UCR103589  Camissonia claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-18 2726 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  POM200899  Camissonia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-27 3032 Riverside Palm Springs. 152 Comment
  POM6848  Camissonia claviformis subsp. aurantiaca P. A. Munz, L. T. Street, G. Williams 1919-3-27 2353 Riverside Salton Sea Comment
  RSA0014452  Camissonia claviformis subsp. aurantiaca Justin M. Wood, J. Miner 2010-4-29 1525 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 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
  UCR116886  Camissonia graciliflora A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24217 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  RSA618175  Camissonia hirtella D. L. Banks 1997-5-5 2011 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
  RSA702748  Camissonia hirtella Scott D. White, Michael Honer 2004-4-6 10040 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UCR182438  Camissonia hirtella Mitch Provance 2003-4-17 4630 Riverside San Bernardino Valley, Riverside, W base of Box Springs Mts., Big Springs Arroyo, N. side of Big Springs Rd., west of the railroad tracks 360 Comment
  UCR112966  Camissonia intermedia B. G. Pitzer 1998-3-1 3557 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  POM212495  Camissonia pallida subsp. pallida E. A. Purer 1935-4-21 6484 Riverside Sandy area near Palm Springs Comment
  POM229014  Camissonia pallida subsp. pallida P. A. Munz 1937-5-30 15107 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  UCR102697  Camissonia refracta B. G. Pitzer 1998-1-24 3380 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR198202  Camissonia refracta Michael Honer, L. Hulse 2004-4-4 1927 Riverside Colorado Desert, Little San Bernardino Mountains, southwest base of Cottonwood Mountains, near MWD aqueduct, c. 0.75 mi north of Hwy I-10, east edge of Pinkham Wash 488 Comment
  POM157904  Camissonia strigulosa P. A. Munz 1927-5-20 10817 Riverside 10 miles south of Hemet. Comment
  RSA449955  Camissonia strigulosa J. C. Roos 1965-6-13 s.n. Riverside Mountain Center, San Jacinto Mtns. Comment
  RSA715074  Camissonia strigulosa A. C. Sanders 2005-4-22 29613 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  SJSU1868  Camissoniopsis bistorta J. W. Tilden 1957-4-18 1101 Riverside near Whitewater E of San Gorgonio Pass Comment
  CHSC110678  Camissoniopsis pallida subsp. pallida Dean Wm. Taylor 2003-5-6 18523 Riverside 1.15 miles NNE of Cabazon, along access roads paralleling powerlines. 640 Comment
  RSA0069663  Camissoniopsis pallida subsp. pallida Cheryl Sevilla, Sarah J. De Groot 2015-2-18 15 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. 783 Comment
  UC398682  Camissoniopsis pallida subsp. pallida L. R. Abrams 1926-3-27 Riverside near the type station Cabazon Comment
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Mar 13 2011
  UCR166112  Camissoniopsis pallida subsp. pallida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16232 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UCSB4467  Camissoniopsis pallida subsp. pallida Kamb, Peter 1948-4-11 Riverside Lower Sonoran Zone, Aqueduct Road 5 mi east of Garnet, Coachella Valley 304 Comment
  UCR181665  Cardamine hirsuta Chet McGaugh 2006-12-12 s.n. Riverside Riverside, Arlington Heights area near Mockingbird Reservoir, Monroe St. at Irving St. 320 Comment
  UCR201506  Carex athrostachya Scott D. White, Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  UCR95594  Carex barbarae D. L. Banks, Lauren Raz 1996-8-29 1142 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
  CAS-BOT-BC32224  Carex multicostata Frederick Morris Reed 1908-7-11 2483 Riverside Summit of San Jacinto Mt. 2621 Comment
  RSA710827  Carex praegracilis A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18119 Riverside Morongo Indian Reservation, SE edge of Burro Flats. 1100 Comment
  RSA741222  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-5 12089 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  CHSC88475  Carex senta L. P. Janeway 2004-5-8 8063 Riverside Peninsular Ranges. Santa Ana Mountains, San Mateo Canyon; along the creek 150 m south-southwest of the Tenaja Trail trailhead at Wildomar Road. 384 Comment
  POM172032  Carex subfusca F. M. Reed 1928-7-15 6133 Riverside Strawberry Valley, San Jacinto Mountains. Comment
  SD181802  Carex triquetra Scott D. White, Sandy Leatherman 2000-5-31 7974 Riverside Santa Ana Mountains/ Santa Rosa Plateau: Near Squaw Mountain. 640 Comment
  RSA703538  Carthamus tinctorius R. E. Riefner Jr. 2004-4-27 04 -144 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  CDA2827  Carya illinoinensis A. C. Sanders, T. B. Salvato 2003-5-21 26778 Riverside Temescal Valley; Lawson Drive near Glen Ivy, in a wetland reserve area for the Trilogy development Comment
  CDA35222  Castela emoryi T. C. Fuller 1962-10-2 9697 Riverside Hayfields, north of Highway 60-70 to Indio, ca. 14 miles west of Desert Center. 0 Comment
  RSA0111976  Castela emoryi Duncan S. Bell, Amanda Bell 2012-1-28 3062 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  RSA763986  Castela emoryi Justin M. Wood, D. M. Ray 2010-10-21 2991 Riverside Chuckwalla Valley NW of Victory pass on E side of Kaiser road ~1 mile N of Desert Center Landfill at proposed Eagle Mountain Solar Site. 205 Comment
  UC454834  Castilleja applegatei subsp. martinii I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 2743 Comment
  RSA97671  Castilleja applegatei subsp. martinii R. M. Straw 1954-6-10 608 Riverside Mountain Home Spring, Santa Rosa Mountain, San Jacinto Mountains. Comment
  SD134194  Castilleja exserta R. Mitchel Beauchamp 1972-4-16 3297 Riverside Pauba Valley, N of Highway 71-79 430 Comment
  JEPS10327  Castilleja exserta subsp. exserta I. W. Clokey 1930-4-9 4712 Riverside Moreno Grade 700 Comment
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Mar 20 2011
  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
  UCSB6029  Castilleja foliolosa Gill, Robert 1959-3-14 Riverside road to Black Star Cyn (Oak Flat); from Corona side; Santa Ana Mt. Range 365 Comment
  RSA0010916  Castilleja minor subsp. spiralis Philip A. Munz, I. M. Johnston 1924-7-29 8826 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1524 Comment
  UCR19451  Caulanthus cooperi Carl Epling, Harlan Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, 3 miles north of Cottonwood Spring 945 Comment
  RSA503410  Caulanthus heterophyllus J. D. Olmsted 1962-5-10 3643 Riverside Crest between Sandia Creek and DeLuz Creek drainages 259 Comment
  UC1584125  Caulanthus heterophyllus D. Bramlet, P. Jacks and S. Goode 1989-4-4 1795 Riverside located on below a small knoll at the sw corner Bachelor Mtn (s-facing slope); Bachelor Mtn. Quad., Lake Skinner, s-facing slope Bachelor M 481 Comment
  UCR112578  Caulanthus heterophyllus D. E. Bramlet 1992-4-2 2203 Riverside San Bernardino Mtns., San Gorgonio River at the confluence with Hathaway Creek on the Morongo Indian Reservation; 15.2m north of Morongo Road and 2.2km northeast of the San Bernardino freeway (I-10). 701 Comment
  UCR51946  Caulanthus lasiophyllus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2172 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  CHSC36013  Caulanthus simulans James Henrickson 1973-3-18 8611 Riverside Ca 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger, at N end of Coyote Canyon Road, on the first steep grade down to canyon. 792 Comment
  UCD111409  Ceanothus cordulatus R. S. Woglum 1941-6-12 3053 Ab Riverside Idyllwild. 1524 Comment
  CAS-BOT-BC48451  Ceanothus crassifolius Steve Boyd; Tim Ross 1993-3-23 7902 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 670 Comment
  RSA160403  Ceanothus crassifolius J. D. Olmsted 1959-4-17 409 Riverside At edge of main knobcone pine grove on NE ridge of Sugarloaf Pk. along Main Divide T.T. ssw of Corona. 1159 Comment
  RSA562618  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-1 7722 Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  UCR124167  Ceanothus crassifolius June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Sierra Peak 929 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
  UC520086  Ceanothus cuneatus var. cuneatus C. Epling 1932-6-24 Riverside near Idyllwild Comment
  UCR138754  Ceanothus leucodermis Scott D. White 1997-5-18 5183 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  RSA606749  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27401 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  UC1594221  Ceanothus ophiochilus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3097 Riverside 1 mi W of Vail Lake 609 Comment
  SD80139  Ceanothus pauciflorus Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 370 Riverside North slope Santa Rosa Mountains, Deep Canyon south of Hwy 74, ca. 2 miles up water service road. below crossing. 1310 Comment
  UCR163402  Ceanothus perplexans O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  CAS-BOT-BC63252  Ceanothus tomentosus var. olivaceus L. R. Abrams 1935-4-7 13680 Riverside San Juan Canon, Ortega Highway, 2 mi. above Orange Co. line. Comment
  UC536792  Celtis reticulata R. Bacigalupi 1935-6-27 2358 Riverside Banning; 1/4 mi up small canyon at head of 16th Street, on ranch of Arthur Gilman Comment
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Mar 13 2011
  CAS-BOT-BC184975  Cenchrus echinatus Lewis S. Rose 1957-1-3 57006 Riverside La Quinta. 15 Comment
  RSA654620  Centaurea melitensis Starr Streight 1982-4-17 51 Riverside Hillside north of Cajalco road, 2 miles east of I-15. Comment
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Feb 24 2013
  UCR143377  Centaurium venustum C. B. Wolf 1932-8-6 3994 Riverside San Jacinto Mountains, 2.9 mi from Idyllwild on the [control] road to Hemet 1220 Comment
  CAS-BOT-BC279123  Centromadia pungens subsp. laevis David D. Keck 1932-10-2 1946 Riverside Just north of Temecula Comment
  JEPS106966  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 15 Riverside Hemet, S of CA-74 and W of Warren Road Comment
  RSA689431  Centromadia pungens subsp. laevis R. E. Riefner 2003-5-27 03 -248 Riverside Back basin of Lake Elsinore, Malaga Rd near Mission Trail Rd. Comment
  RSA737355  Centromadia pungens subsp. laevis Justin M. Wood 2008-9-19 138 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UC1929296  Centromadia pungens subsp. pungens Scott D. White, Justin Wood 2008-6-26 12295 Riverside Perris Basin; I-215 freeway @ stream crossing, just W of golf course and just N of Newport Rd. 434 Comment
  RSA0011486  Cerastium fontanum subsp. vulgare Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4992 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  RSA673547  Cerastium glomeratum Scott D. White, Tasha La Doux 2000-4-20 7705 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR37474  Cerastium glomeratum Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Long canyon running from NW/4 of section 2 through the E/2 of section 3 Comment
  POM122304  Cercidium floridum Marcus E. Jones 1926-6-8 sn Riverside Palm Springs Comment
  RSA645671  Cercidium floridum Scott D. White 1999-4-20 7271 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  UCR26631  Cercocarpus minutiflorus E. W. Lathrop 1966-3-20 6071 Riverside Cleveland National Forest, 10 mi west of Murrieta on the Tenaja Truck Trail between Tenaja Guard Station and DeLuz, Trabuco District 652 Comment
  UCR213535  Chaenactis artemisiifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37805 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  RSA727395  Chaenactis carphoclinia Naomi Fraga, Lisa Rojas 2005-2-10 1384 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  SD21518  Chaenactis carphoclinia Frank F. Gander 1938-5-21 5763 Riverside Shaver's Summit. Comment
  CAS-BOT-BC276913  Chaenactis fremontii L. R. Abrams 1926-3-25 10995 Riverside Banning Comment
  CAS-BOT-BC276939  Chaenactis fremontii John Thomas Howell 1928-3-11 3446 Riverside Garnet Station, Coachella Valley, Colorado Desert 213 Comment
  SBBG7877  Chaenactis fremontii H. and M. Dearing 1937-4-10 2869 Riverside ca. 16 mi N of Indio Comment
  UC894461  Chaenactis fremontii I. W. Clokey and B. C. Templeton 1930-4-9 4699 Riverside n of Palm Springs; Colorado Desert 170 Comment
  UCR116629  Chaenactis fremontii A. C. Sanders 2001-4-8 23973 Riverside Western Colorado Desert, Coachella Valley, Garnet, along transmission line route east of Garnet Wash 232 Comment
  UCR250363  Chaenactis glabriuscula A. C. Sanders 2014-4-9 40995 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.18 km southeast of El Hermano Rd., NW of Corona (Lee) Lake 316 Comment
  UCSB6428  Chaenactis glabriuscula Sager, Ginny 1960-5-1 Riverside San Jacinto Mtns between Banning and Idyllwild 1219 Comment
  RSA0087537  Chaenactis glabriuscula Palmer Stockwell 1940-4-24 1505 Riverside 1 mile E of Banning. Comment
  HSC85279  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1820 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  POM6055  Chaenactis glabriuscula var. glabriuscula F. L. Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore Region Comment
  UC1718094  Chaenactis glabriuscula var. glabriuscula John S. Mooring 1962-4-1 578 Riverside Riverside, Box Springs Mountains at end of Mount Vernon Ave Comment
  UC1979614  Chaenactis glabriuscula var. glabriuscula D. L Banks, Steve Boyd 1995-5-3 0191 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
  UC31026  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1899-5-25 1181 Riverside Van Deventer's, El Toro Region San Jacinto Mountains, El Toro Region 1402 Comment
  UC1563121  Chaenactis glabriuscula var. lanosa Steve Boyd, T. Ross, L. Arnseth 1989-4-2 3239 B Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek. 487 Comment
  CHSC8272  Chaenactis stevioides Edward L. Smith 1958-3-21 357 Riverside Chuckwalla Mtns., 3 mi. n of Desert Center. 274 Comment
  JOTR35304  Chaenactis stevioides Andre, Jim 2012-4-11 20803 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
  SD258315  Chaenactis stevioides J. M. Andre 2013-3-21 24398 Riverside Grommet; West Riverside Mountains; At base of NW corner of range where sand rumps run up against granitic bouldery slopes, about 10 mi SW of Vidal Jct, 3 mi south of Grommet RR xing at Hwy 62 363 Comment
  CLARK-A1528-1761  Chaetopappa aurea John C. Roos 1965-7-22 Riverside San Jacinto Mountains Comment
  RSA770642  Chamaesyce R. F. Thorne 1966-10-15 41792 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA621902  Chamaesyce albomarginata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3012 Riverside Vail Lake area, low hills west of Kolb Creek arm of lake. 488 Comment
  RSA0121596  Chamaesyce arizonica Duncan S. Bell, LeRoy Gross 2016-3-29 9106 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA339361  Chamaesyce micromera R. F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53583 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  RSA645643  Chamaesyce parishii Scott D. White 1999-4-20 7279 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  RSA339255  Chamaesyce polycarpa R. F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-23 53601 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  RSA626235  Chamaesyce polycarpa var. polycarpa L. C. Wheeler 1967-5-15 9550 Riverside University of California at Riverside. Comment
  RSA433502B  Chamaesyce setiloba Christopher Davidson, Josephine Jones 1980-4-4 9947 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  UC371178  Cheilanthes clevelandii Miss M. A. King 1893-1 Riverside Menifee Comment
  UC399599  Cheilanthes clevelandii I. M. Johnston 1918-4-3 1829 Riverside San Jacinto Canyon; San Jacinto Mts 685 Comment
  UC211624  Cheilanthes newberryi Fred M. Reed 1908-2-2 2019 Riverside Box Springs Mts Comment
  UCR22130  Cheilanthes newberryi Steve Boyd 1980-5-3 191 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  RSA0123692  Cheilanthes parryi Duncan S. Bell, LeRoy Gross 2016-3-30 9160 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  UC199910 Image available Cheilanthes viscida J. G. Lemmon and wife Riverside San Gorgonio Pass Comment
  UC366532 Image available Cheilanthes viscida J. G. Lemmon 1824-1 Riverside White Water River; Colorado Desert Comment
  CAS-BOT-BC426314  Chenopodium album Malcom A. Nobs; S. Galen Smith 1948-9-3 485 Riverside Imperial Valley: Citrus grove 2 miles N of Indio Comment
  SD70909  Chenopodium album Helen V. Witham 1969-7-2 180 Riverside De Luz Creek crossing, 4 mi north of De Luz. Comment
  RSA621895  Chenopodium ambrosioides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3634 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  RSA423251  Chenopodium berlandieri N. C. Cooper 1943-10-9 949 Riverside Hemet. 304 Comment
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Apr 29 2011
  RSA763339  Chenopodium berlandieri R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55391 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office 595 Comment
  UCR114616  Chenopodium berlandieri var. zschackei Mitch Provance 2000-9-1 2223 B Riverside Juupa Mtns., Belltown/Rubidoux area, along the RR tracks on the E side of Rubidoux Blvd at the SW side of Crestmore Hill (Riverside Cement Company). 274 Comment
  UCR115145  Chenopodium berlandieri var. zschackei Mitch Provance 2000-8-24 2219 Riverside Jurupa Mountains, Pediment of the NW extreme of the Jurupa Mountains, as accessed from Country Village Rd. 259 Comment
  RSA0014928  Chenopodium californicum LeRoy Gross, Caitlin Elam 2013-5-14 6087 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA708055  Chenopodium californicum Scott D. White, Angelia Carey 2004-4-16 10154 Riverside Indian Creek and adjacent slopes. 549 Comment
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Sep 24 2007
  UCR90977  Chenopodium californicum Scott D. White 1996-3-23 3845 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet, Loomis property, 'Friendly Hills Ranch 610 Comment
  UCR58165  Chenopodium fremontii George K. Helmkamp 1989-10-7 s.n. Riverside Peninsular Range; San Jacinto Mtns, roadside beside Hwy 243 near Lawlor Lodge, c. 2 mi north of Pine Cove 1600 Comment
  RSA747726  Chenopodium murale Scott D. White, Justin M. Wood 2009-3-24 12581 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  SD146305  Chenopodium pratericola A. C. Sanders, Mitch Provance and T. B. Salvato 2000-4-18 23325 Riverside Coachella Valley; along Dillon Road at junction with Tyler, north of I-10, east of Indio and north of Coachella. 4 Comment
  UCR197292  Chenopodium pumilio Mitch Provance 1998-7-23 912 B Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  CAS-BOT-BC231777  Chilopsis linearis Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  CAS-BOT-BC231784  Chilopsis linearis Roxana S. Ferris 1918-6-14 985 Riverside 2 miles east of Indian Wells on Palm Springs-Indio Rd Comment
  CAS-BOT-BC231792  Chilopsis linearis Geo. B. Grant 1906-5-1 170 a-6740 Riverside Colorado Desert at Palm Springs Comment
  UC1929903  Chilopsis linearis Scott D. White, Angelia Carey 2004-7-2 10565 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  UCSB8347  Chilopsis linearis Leeuwen, Henry 1957-4-13 Riverside Next to Cal. Hwy. 195 about 6 miles east of Mecca Comment
  SEINET9355101  Chilopsis linearis Unknown 1953-6-22 Riverside Between Palm Springs and Banning. Comment
  JOTR32318  Chilopsis linearis subsp. arcuata 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
  UCR44438  Chimaphila menziesii A. C. Sanders 1986-6-1 6545 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  UCR266259  Chloracantha spinosa D. E. Bramlet 2006-8-11 4046 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, west of Hemet at Hemet-Ryan Airport 459 Comment
  CDA1888  Chloris truncata R. E. Riefner Jr. 2003-5-27 03 -254 Riverside Perris-Aguanga Region; Perris Valley, Rider Street near Perris Valley Storm Drain. Comment
  UCR148011  Chloris truncata Stan C. Spencer 2000-10-20 s.n. Riverside Hemet, corner of Warren Rd. and Stetson Ave. 457 Comment
  UCD59674  Chloris virgata H. S. Yates 1937-6-28 6740 Riverside Near Indio. 30 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
  UCR214156  Chorizanthe brevicornu T. B. Salvato 2010-4-20 4055 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  CAS-BOT-BC191701  Chorizanthe brevicornu var. brevicornu H. Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  JOTR35047  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3500 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  UCR41543  Chorizanthe brevicornu var. brevicornu A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6011 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  SDSU13527  Chorizanthe fimbriata var. fimbriata W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UCR205449  Chorizanthe leptotheca Diane Menuz 2008-6-19 466 Riverside Peninsular Ranges: San Jacinto Mts, Garner Valley; c 0.3 mi east of Hwy 74, north of Morris Ranch Rd 1374 Comment
  UCR189567  Chorizanthe polygonoides var. longispina Andrea Salzman 2006-4-13 066 Riverside Peninsular Range, Lake Skinner; c. 500 m west of Warren Rd by equestrian trial Comment
  UCR251300  Chorizanthe polygonoides var. longispina T. B. Salvato, Mike Landers 2013-3-21 7414 Riverside Perris-Aguanga Basin, Murrieta, at the northwest corner of the intersection of Baxter Road and Menifee Road 453 Comment
  UC57063  Chorizanthe rigida E. E. Schellenger 1911-4-24 Riverside s Palm Springs; Colorado Desert, s of Palm Springs Comment
  UC1929317  Chorizanthe staticoides Scott D. White, Justin Wood 2008-4-16 11886 Riverside Perris/Elsinore Basin; Hills to the W of I-215 and S of Scott Rd. Comment
  POM265700  Chorizanthe uniaristata J. C. Roos 1937-4-23 1807 Riverside At Whitewater. Comment
  SEINET3087441 Image available Chorizanthe xanti B. Pitzer 1986-4-26 190 Riverside Whitewater Canyon, ca. 4.5 mi. N of Hwy I-10 on Whitewater Canyon Road. (Whitewater 7.5' quad). 732 Comment
  SEINET3087439 Image available Chorizanthe xanti subsp. leucotheca Robert F. Thorne, C. W. Tilforth 1980-5-28 54223 Riverside San Bernardino Mtns.; rocky and sandy wash along Whitewater River, 3.2 mi. north of White Water post office and Highway 10 518 Comment
  RSA5250  Chrysolepis sempervirens Carl B. Wolf 1932-8-5 3987 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  SD128238  Chrysolepis sempervirens R. Mitchel Beauchamp 1971-5-15 2413 Riverside Black Mountain campground, San Jacinto Mountains. 2207 Comment
  RSA125857  Chrysothamnus nauseosus subsp. bernardinus E. K. Balls, Percy C. Everett 1957-11-6 22792 Riverside Hamilton Grade, State Hwy. 74, Anza Rd. 1372 Comment
  UCD103735  Chylismia brevipes William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  SDSU8600  Chylismia brevipes subsp. brevipes Pamela A. Beare 1992-3-13 13 III92D Riverside Just north of Box Canyon Road, approx. 7 miles ca. east of Painted Canyon Road, east of Mecca 280 Comment
  CDA37653  Chylismia claviformis M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  CAS-BOT-BC160601  Chylismia claviformis subsp. aurantiaca E. A. McGregor 1917-3-18 729 Riverside 4 mi up Painted [Canon] Canyon Comment
  UC1184363  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11570 Riverside Corn Springs Chuckwalla Mountains (wash) Comment
  UC873936  Chylismia claviformis subsp. aurantiaca Ira L. Wiggins 1937-3-9 8764 Riverside dunes 20 mi n Indio Comment
  UCR244078  Chylismia claviformis subsp. aurantiaca Jim Andre 2012-4-16 20894 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  CAS-BOT-BC162782  Chylismia claviformis subsp. claviformis N. Aitkenhead 1977-2-2 60062 A Riverside ~1 mile from junction of J.T. Mon. Rd. & pipeline. Comment
  UCR137095  Cichorium intybus John F. Green 2004-7-1 s.n. Riverside Santa Ana River Valley, just NW of Riverside Municipal Airport, drainage c. 0.3 mi. south of Jurupa Road, just east of Van Buren Blvd 229 Comment
  POM19635  Cirsium occidentale var. californicum Mary F. Spencer 1923-7-20 2210 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  UCR89755  Cirsium occidentale var. californicum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3300 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  CAS-BOT-BC280419  Cirsium ochrocentrum R. M. Howie 1952-8-1 s.n. Riverside Beaumont Comment
  CAS-BOT-BC438850  Cistanthe monandra A. G. Vestal 1929-3-28 s.n. Riverside 9 miles south of Hemet on the St. John Grade Comment
  RSA123073  Cistanthe monandra H. S. Yates 1937-3-23 6405 Riverside Two miles north of Palm Springs 213 Comment
  CAS-BOT-BC172424  Clarkia bottae A. J. McC. 1892-5-1 73 Riverside Elsinore Comment
  RSA180407  Clarkia epilobioides E. W. Lathrop 1965-5-30 5785 Riverside 6 miles W of Murrieta. Comment
  UCR193896  Clarkia purpurea A. C. Sanders, Mitch Provance 2008-7-11 35785 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
  RSA655042  Claytonia parviflora Scott D. White 1999-6-6 7447 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  UCR149994  Claytonia parviflora subsp. parviflora Scott D. White, Angelia Carey 2004-4-16 10182 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  CLARK-A1528-774  Claytonia perfoliata C. M. Flanagan 1973-5-12 OO 407 Riverside Morongo Indian Reservation Comment
  UCR216397  Claytonia perfoliata subsp. perfoliata Mike Bell 2008-3-30 024 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  CAS-BOT-BC92824  Clematis pauciflora Annie M. Alexander; Louise Kellogg 1941-5-4 2115 Riverside Joshua Tree National Monument. Near Reservoir. Barker Dam. 1310 Comment
  RSA386260  Clematis pauciflora E. S. Spalding 1925-6-12 s.n. Riverside Near Temecula. Comment
  SDSU12919  Clematis pauciflora Janet M. Knots, Jill Steinberg 1998-3-11 11 III1998B Riverside ca. 0.25 mile along foot trail leading southeast from road, ca. 0.25 mile northeast of Santa Margarita (SDSU) Field Station, north of Santa Margarita River. 335 Comment
  UCR121329  Clematis pauciflora A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24990 Riverside The Badlands, marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont 670 Comment
  RSA342041  Cleome isomeris R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54108 Riverside San Bernardino Mountains: Mesquite thicket along Whitewater Canyon road. Comment
  RSA66770  Cleome isomeris F. W. Peirson 1921-3-23 2382 Riverside Rocky entrance to Deep Canyon. south side of Coachella Valley. Comment
  JEPS24218  Collinsia concolor Peter H. Raven 1958-5-18 13004 Riverside Pinyon Flats San Jacinto Mountains (near stream) Comment
  RSA0117405  Collinsia concolor Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4825 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UC1518619  Collinsia concolor Drs. Fosberg, Sachet, & Herbst 1983-4-23 55457 Riverside 3.3 mi n Whitewater Post Office (side canyon on w side of Whitewater Canyon); San Bernardino Mtns 594 Comment
  UCR121081  Collinsia concolor A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24984 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  RSA597803  Collinsia concolor Scott D. White 1996-3-31 3861 Riverside Elsinore Basin Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 439 Comment
  JEPS13372  Collinsia heterophylla Peter Kamb 1948-6-19 1114 Riverside Santa Ana Mountains, se slope of Santiago Peak Santiago Peak; Santa Ana Mountains, Santiago Peak 1219 Comment
  SFV3353  Collinsia heterophylla P. G. Kilburn 1958-5-31 836 Riverside San Jacinto Mountains Hemet Valley. 10.6 miles south of campground turnoff road, north of Idylwild. 1372 Comment
  UCR22065  Collinsia heterophylla Steve Boyd 1980-4-27 152 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR18910  Colubrina californica John C. Roos 1967-11-11 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mts.; canyon bottom 3 mi. SE of Desert Center Comment
  RSA791581  Colubrina californica D. Silverman, M. Bibbo 2010-3-31 7898 Riverside East flank of southern McCoy Mountains, 2.9 km west of Black Creek Road, 5.8 km northeast of McCoy Peak, and 7 km north of I-10. 195 Comment
  UCD112186  Condalia globosa var. pubescens Robert Cowell 1959-5-4 s.n. Riverside North of the Bradshaw Stage Road, 0.75 mile east of the Imperial Gas Line Road, between Chocolate and Chuckwalla Mountains. Comment
  SBBG13966  Condea emoryi E. R. Blakley 1962-11-25 5483 Riverside 5 mi W of Blythe on US Hwy 60 and 70 121 Comment
  HSC85248  Conium maculatum Steve Boyd 1986-4-22 1727 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  CAS-BOT-BC215980  Convolvulus Steve Boyd; Tim Ross 1991-6-14 6405 Riverside Paloma Valley, between Sun city and Murrieta, E of Hwy I-215, rolling hills just SW of jtn of Briggs Rd. and Scott Rd. Comment
  HSC85286  Convolvulus simulans Steve Boyd 1986-5-1 1787 Riverside SW Perris Basin: Hill W of Skunk Hollow. Comment
  UCR189584  Convolvulus simulans Theresa Johnson 2006-3-30 006 Riverside Peninsular Range, Santa Rosa Plateau, western edge of Mesa de Burro 571 Comment
  UCR250094  Convolvulus simulans A. C. Sanders 2014-4-18 41038 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Horsethief Canyon Road and Glen Eden 372 Comment
  RSA191393  Conyza bonariensis E. W. Lathrop, R. F. Thorne 1967-10-27 6677 Riverside 5 mi. NW of Murrietta, Santa Rosa Ranch. Comment
  RSA5221  Corallorhiza maculata Carl B. Wolf 1932-8-5 3946 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2622 Comment
  UCR133636  Cordylanthus nevinii I. W. Clokey, E. G. Anderson 1935-8-21 6904 Riverside San Jacinto Mtns., Fuller's Creek 1585 Comment
  POM15183  Coreopsis californica Mary F. Spencer 1922-4-23 563 Riverside Maillard Canyon, prope [near] Banning. 701 Comment
  POM356005  Coreopsis californica Ora M. Clark 1929-4-6 1943 Riverside South of Hemet. Comment
  POM6545  Coreopsis californica P. A. Munz, L. T. Street, G. Williams 1919-3-28 2362 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA612812  Coreopsis californica D. L. Banks 1997-3-1 1357 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the Fiesta Grounds to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  RSA770693  Coreopsis californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4794 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA192329  Corethrogyne filaginifolia E. W. Lathrop 1966-9-14 6596 Riverside 3 miles SW of Murrieta. Comment
  SD229082  Corethrogyne filaginifolia Dick Schwenkmeyer 2011-8-25 656 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  SEINET4565651 Image available Corethrogyne filaginifolia var. brevicula Philip A. Munz 1938-1 15383 Riverside Santa Rosa Mountains; ridge East of Toro Peak 2438 Comment
  RSA0120486  Coryphantha alversonii Duncan S. Bell, Thomas Stoughton 2016-3-17 8962 Riverside Orocopia Mountains; east side of the range; collecting in rocky hills to the west of Red Cloud Wash. 531 Comment
  SD125721  Crassocephalum crepidioides A. C. Sanders 1986-9-15 6960 Riverside Temecula. Comment
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Sep 10 2011
  CAS-BOT-BC427596  Crassula aquatica P. A. Munz 1941-5-18 17069 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 853 Comment
  CAS-BOT-BC427775  Crassula connata C. L. Hitchcock 1966-3-15 24149 Riverside 1 mi. e. of Glen Ivy Hot Springs Comment
  UCR196894  Crassula connata A. C. Sanders, T. B. Salvato 2008-2-19 34425 Riverside San Bernardino Valley Region, Riverside, vacant lot at NW corner of the intersection of Chicago Ave. and M. Luther King (ex Pennsylvania) Ave. 296 Comment
  UCR266788  Crassula connata Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 05 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  UC219249  Crassula connata var. erectoides P. A. Munz and I. M. Johnston 1922-5-19 5342 Riverside 5 mi. e. Murietta 518 Comment
  SEINET13387115 Image available Cressa truxillensis Mitch Provance 2013-1 613 -19 Riverside Santa Ana River Valley: City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren (Riverside West 7.5' Q.) 226 Comment
  POM300565  Crossosoma bigelovii Lyman Benson 1958-4-18 15786 Riverside Morongo Canyon 549 Comment
  UC218066  Crossosoma bigelovii A. F. Gilman 1922-3-19 Riverside Andreas Canyon Palm Springs Comment
  RSA651890  Croton californicus C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 202 Riverside In desert 15 miles north [E?] of Riverside 366 Comment
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Jun 10 2008
  SD122179  Croton californicus James C. Dice, Virginia Moran 1987-11-28 760 Riverside Santa Margarita Ecological Reserve; Temecula Gorge, on north bank of Santa Margarita River at aqueduct crossing. 249 Comment
  SEINET10493394  Croton californicus David B. Dunn 1946-3-15 Dunn 2039 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
  SEINET10837540  Croton californicus David B. Dunn 1948-3-14 Dunn 3767 Riverside Found 5 mi W of Thousand Palms in an open sandy desert. Comment
  UCR92255  Crypsis schoenoides Scott D. White, S. Ogg 1994-10-17 2466 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  UCR110388  Crypsis vaginiflora A. C. Sanders, Mitch Provance 1999-9-26 23081 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  UCR234234  Cryptantha A. C. Sanders 2012-4-12 40027 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 100 m SE of El Hermano Rd. 314 Comment
  JOTR29432  Cryptantha angustifolia La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1366 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  RSA4903  Cryptantha angustifolia C. B. Wolf 1932-4-27 3019 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA778224  Cryptantha angustifolia Duncan S. Bell 2009-3-7 29 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  SBBG6237  Cryptantha angustifolia H. and M. Dearing 1939-12-31 4052 Riverside near Indio Comment
  UCR224999  Cryptantha angustifolia Dave Silverman 2010-3-23 7820 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.7 km SW of Palen Dunes Dr., 3.3 km N of I-10 and 8 km ESE of Sidewinder Well 128 Comment
  JEPS67490  Cryptantha barbigera W. I. Follett 1942-3-22 128 Riverside 10.5 mi e Mecca; Colorado Desert Comment
  RSA353856  Cryptantha barbigera R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55363 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA0123285  Cryptantha barbigera var. barbigera Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8998 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
  UCR157719  Cryptantha barbigera var. fergusoniae John C. Roos 1948-4-24 3807 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  SD260222  Cryptantha corollata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr. 2014-4-22 7885 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. 481 Comment
  RSA155549  Cryptantha costata L. S. Rose 1962-3-2 62002 Riverside La Quinta. 3 Comment
  UCR187465  Cryptantha costata Michael Honer, Dave Silverman 2005-3-18 2096 Riverside Sonoran (Colorado) Desert, Palen Valley, c. 3 mi due east of Desert Center Airport 134 Comment
  UCR214707  Cryptantha costata A. C. Sanders, Richard Dwerlkotte 2010-3-22 37524 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
  RSA528102  Cryptantha decipiens S. J. Myers 1991-4-15 91 -6 Riverside City of Banning, W of Fields Rd, N of Interstate 10 & S of the Morongo Indian Reservation. 671 Comment
  UCR41535  Cryptantha decipiens A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6049 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  UCR18166  Cryptantha holoptera A. C. Sanders 1978-4-2 00197 Riverside Sonoran (Colorado) Desert, Palm Desert, east of the Living Desert Reserve 152 Comment
  HSC79849  Cryptantha intermedia James Henrickson 1973-3-18 8603 Riverside 16 (air) mi. E of Temecula, 2.9 mi. E of Aguanga along Hwy. 71 823 Comment
  RSA658921  Cryptantha intermedia Bob Rogers 1984-4-28 24 Riverside North-facing slope adjacent to and on the South side of Hwy 74, 3.6 miles from Strawberry Creek going towards Mountain Center. 1220 Comment
  SD148208  Cryptantha intermedia A. C. Sanders 2001-5-3 24081 Riverside Hemet, southeast corner of State Street at Gibbel,at east end of Diamond Valley. 494 Comment
  UCR215506  Cryptantha intermedia Daphne K. Christopher, Hannah I. Stevens 2003-4-3 080 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  RSA353602  Cryptantha maritima R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52033 Riverside Chino Canyon Comment
  RSA770310  Cryptantha micrantha Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4400 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64308 487 Comment
  UC1601673  Cryptantha micrantha P. A. Munz and I. M. Johnston 1922-5-20 5475 Riverside Kenworthy San Jacinto Mts. 1463 Comment
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Mar 25 2011
  SEINET10456362  Cryptantha micrantha David B. Dunn 1948-3-14 Dunn 3770 Riverside Found in flat open sands near Hidden Springs Ranch 5 mi S of the Indio Hills in the Colorado Desert. Comment
  CLARK-A1528-333  Cryptantha micrantha subsp. micrantha Charlotte Stocks 1964-4-26 Riverside Comment
  RSA526080  Cryptantha micromeres Steve Boyd, Timothy S. Ross 1990-5-11 4653 B 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
  SBBG53761  Cryptantha microstachys S. Boyd 1980-5-28 Riverside Harford Springs County Park, located on the NW corner of the Gavilan Plateau, E side of Gavilan rd Comment
  UC1979567  Cryptantha microstachys Darin L. Banks, Steve Boyd 1995-5-9 0403 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UCR177829  Cryptantha microstachys S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR199742  Cryptantha microstachys Scott D. White, Justin Wood 2008-5-29 12047 Riverside Beaumont Badlands, West of Beaumont, near SR-60 crossing over San Timoteo Creek 671 Comment
  UCR228936  Cryptantha microstachys A. C. Sanders 2011-4-6 39004 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
  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
  UCD119934  Cryptantha muricata Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-1 3162 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 487 Comment
  UCR104894  Cryptantha muricata A. C. Sanders 1997-3-19 20010 Riverside Lake Skinner area, slopes north of Tucalota Creek c. 3/4 mi. (1.25 km) east of the lake 470 Comment
  UCR158326  Cryptantha muricata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30051 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
  UCR52019  Cryptantha nevadensis Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2138 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  SDSU18703  Cryptantha pterocarya f. pterocarya Kristen Hasenstab, M. G. Simpson 2008-4-2 62 Riverside Joshua Tree National Park. Hidden Valley, 0.22 miles west of the Hidden Valley Picnic area, west of the Hidden Valley Nature Loop Trail. Underneath Salizarea mexicana, amongst large boulders. 1294 Comment
  UCR135709  Cryptantha pterocarya var. purpusii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9027 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  JOTR34128  Cryptantha racemosa Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21087 Riverside Joshua Tree National Park. Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1171 Comment
  SEINET8731259 Image available Cryptantha racemosa Lewis S. Rose 1938-1 38338 Riverside 12 mi. sw. of Cathedral City. Palms to Pines Highway, San Jacinto Mts. 457 Comment
  RSA79623  Cryptantha utahensis F. W. Peirson 1919-4-13 1025 Riverside Murray Canyon, Palm Springs region. Comment
  UCR260535  Cuscuta californica var. papillosa T. B. Salvato 2014-5-29 8052 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  POM188621  Cuscuta ceanothi L. C. Wheeler 1933-12-1 2284 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  UC667263  Cuscuta denticulata Annie M. Alexander and Louise Kellogg 1941-5-23 2222 Riverside 3 mi ne Cottonwood Spring; Colorado Desert, Eagle Mountains 1066 Comment
  UCD126288  Cuscuta denticulata A. C. Sanders; G. Nuhn 1995-4-20 16587 Riverside Colorado Desert: Coachella Valley, near Fan Hill, northeast of Dillon Road on an abandoned road, below Little San Bernardino Mountains. northeast of 1000 Palms. 350 Comment
  RSA49307  Cuscuta subinclusa Duncan S. Bell, Colleen Wheeler 2010-7-19 1632 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1383 Comment
  RSA644187  Cycloloma atriplicifolium Scott D. White 1995-8-23 3581 Riverside San Jacinto Valley. San Jacinto Riv., just N of City of San Jacinto boundary, ca. 1 mi SE of bridge at State St. 463 Comment
  RSA591739  Cycloloma atriplicifolium J. C. Roos 1965-9-26 s.n. Riverside In Indio. Comment
  RSA605744  Cyclospermum leptophyllum A. C. Sanders, G. Helmkamp 1996-3-17 17994 Riverside Coachella Valley: Rancho Mirage, intersection of Dinah Shore Dr. and Duval Dr., at Cathedral City limits, 2 mi. E. of Date Palm Dr. and 2 mi. S of Ramon Rd. 91 Comment
  SEINET5624451 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .7 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  UCR114205  Cylindropuntia prolifera A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23645 Riverside Temecula Valley, gasline route on east edge of Temecula, c. 2 km SW of Skunk Hollow and 1 km north of Nicolas Rd., north side of next arroyo north of Santa Gertrudis Creek, NE of elementary school 381 Comment
  RSA0088364  Cynodon dactylon Robert Vargas 2016-4-9 20 Riverside LA basin, White water canyon reserve. 536 Comment
  HSC100854  Cynodon dactylon J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-12 12751 Riverside Lawn at Casa del Diablo property. Comment
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Aug 16 2015
  RSA522716  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3807 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR19010  Cyperus esculentus John C. Roos 1965-10-25 s.n. Riverside Coachella Valley, Coachella, south of Indio -8 Comment
  UCR113867  Cyperus involucratus Mitch Provance 2000-6-24 2058 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR115347  Cyperus involucratus A. C. Sanders, Steve Boyd 2000-11-30 23726 Riverside San Bernardino Valley/ upper Santa Ana River region, Riverside; Box Springs Mtns. foothills, Box Springs Canyon above Sheriff's Academy, north of Central Ave. 396 Comment
  SEINET238535  Cyperus rotundus T. B. Salvato, A. C. Sanders 2000-4-27 64 Riverside Coachella Valley: between Filmore & Buchanan on Avenue 56. -37 Comment
  UCR14391  Cyperus rotundus George K. Helmkamp 1974-7-14 s.n. Riverside Riverside, Massachusetts at Iowa Street Comment
  SBBG56301  Cystopteris fragilis R. Hoffmann 1929-9-5 Riverside Tahquitz Valley 2438 Comment
  LA109893  Cytisus striatus A. C. Sanders; Chet McGaugh 1991-7-19 11142 Riverside Murrieta Hot Springs, large venal pool on the S side of Murrieta Hot Springs Rd., E of Via Princesa and N of Calle del Lago 347 Comment
  UCR69569  Cytisus striatus A. C. Sanders, Chet McGaugh 1991-7-19 11142 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  UCR42742  Dactylis glomerata B. G. Pitzer, Karen Kirtland 1986-5-20 225 Riverside Butterfield Stage Ranch development, in the hills on the north side of Pauba Valley in the Rancho California area, 1 mi south of Buck Mesa on the east side of Butterfield State Road 457 Comment
  RSA0122706  Dalea mollis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9058 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
  UCR108722  Dalea mollis Scott D. White 1998-3-3 6087 Riverside Sonoran (Colorado) Desert, La Quinta/ Palm Desert area, Whitewater River channel at and near Miles Avenue crossing. 30 Comment
  UCR263650  Dalea mollis David Fraker, Aaron C. Sedgwick 2012-3-22 014 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  POM146248  Dalea mollissima J. B. Feudge 1926-4-13 1549 Riverside Cathedral City 122 Comment
  SD11890  Datisca glomerata Victor Duran 1933-7-1 3494 Riverside Santa Rosa Mts, near Santa Rosa 1830 Comment
  SD132345  Datisca glomerata B. Pitzer, B. L. Phillips 1988-7-1 1480 Riverside Dripping Springs Area: S of Vail Lake, N of Hwy 79, between Kolb and Arroyo Seco Creeks 490 Comment
  UCR201443  Datisca glomerata Scott D. White, Justin M. Wood 2008-7-10 12454 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  UCR208074  Datisca glomerata T. S. Elias, Steve Boyd, Kit Tan 1986-7-23 10154 Riverside Peninsular Ranges; Santa Ana Mountains, Santa Rosa Plateau: along Cole Creek 610 Comment
  UCR145967  Datura wrightii June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR251351  Datura wrightii S. J. Myers 2014-5-21 1060 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  SD87675  Deinandra kelloggii F. W. Peirson 1924-6-21 Riverside Temescal Canyon. Comment
  UC76428  Deinandra kelloggii Miss M. Alice King 1893-4-1 Riverside Menifee Comment
  RSA716106  Deinandra mohavensis Michael Wall 2006-10-8 421 Riverside San Jacinto Mountains, South Fork San Jacinto River east of Hemet Comment
  CAS-BOT-BC292008  Deinandra paniculata A. C. Sanders 2004-7-1 28373 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, ca. 1.5 mile WNW of the Menifee-Antelope Community Hall, 5 miles due south of Sun City 476 Comment
  RSA737435  Deinandra paniculata Justin M. Wood 2008-8-31 121 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  RSA0020482  Delphinium parishii subsp. parishii L. Haines, L. C. Erickson 1937-4-10 s.n. Riverside Palms to Pines Hwy near road to Shumway. Comment
  UCR175068  Delphinium parryi Teresa Nieto 2005-4-24 15 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR21932  Delphinium parryi Steve Boyd 1980-5-2 157 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA400046  Delphinium patens subsp. hepaticoideum E. Crow 1929-3-17 194 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  SBBG47465  Dendromecon rigida N. C. Cooper 1944-6-17 1414 Riverside above Banning 1219 Comment
  RSA234055  Deschampsia danthonioides var. gracilis R. F. Thorne, E. W. Lathrop 1969-5-12 37950 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 625 Comment
  RSA740250  Descurainia obtusa subsp. adenophora Scott D. White, Justin M. Wood 2008-6-18 12201 Riverside Hiking trail from K flat to Apple Canyon Rd. 1341 Comment
  UCR279340  Descurainia pinnata A. C. Sanders, Jim Malusa 2017-3-23 42948 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  POM10270  Descurainia pinnata subsp. halictorum Anonymous 1904-4-10 s.n. Riverside Wilders Canon, Jurupa Hills, near Riverside. Comment
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Feb 2 2013
  RSA0047254  Dichelostemma capitatum J. Mark Porter, Leigh A. Johnson 1997-3-10 11463 Riverside Whitewater Canyon, ca. 1 mi. N of Whitewater (along Interstate 10). 474 Comment
  RSA501045B  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3166 B Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA501057A  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3174 A Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  POM123020  Dicoria canescens Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Colorado Desert. Comment
  POM202625  Dicoria canescens Marcus E. Jones 1933-12-29 s.n. Riverside Palm Springs. Comment
  RSA314491  Dicoria canescens R. F. Thorne 1982-10-8 55356 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA696747  Dicoria canescens J. Russell Bruff 1927-10-8 1 -H Riverside Thousand Palms Comment
  SFV4385  Dicoria canescens F. M. Ball 1964-1-4 s. n. Riverside San Bernardino Mountains About 16 miles east of Banning on main highway to Indio. Whitewater turnoff on east side of Whitewater Canyon. 450 Comment
  UCR214871  Dicoria canescens A. C. Sanders 2010-3-15 37402 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UC29876  Dieteria asteroides var. asteroides Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  UC893553  Dieteria asteroides var. asteroides I. W. Clokey and E. G. Anderson 1935-4-6 6990 Riverside Hemet 600 Comment
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Mar 24 2011
  SEINET269467 Image available Digitaria sanguinalis Scott D. White, Steve Ogg 1994-10-17 2499 Riverside Temecula Valley. City of Temecula, Murrieta Creek channel at confluence with Sta. Gertrudis Creek USGS 71/2' Murrieta quad. 315 Comment
  CAS-BOT-BC152920  Diplacus brevipes A. M. Vollmer; L. Beane 1953-6-29 20 Riverside Oak Glen, San Bernardino Mountains Comment
  CAS-BOT-BC153090  Diplacus fremontii Steve Boyd 1986-4-19 1698 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  SD132999  Diplacus longiflorus Scott White 1991-5-13 91 101 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs 548 Comment
  RSA0019295  Diplacus puniceus D. L. Banks, Steve D. Boyd 1995-3-30 132 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. 634 Comment
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Apr 20 2019
  SD245482  Diplacus puniceus Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49535 Riverside Santa Ana Moutains: Along Ortega Highway (74). Comment
  UCR125906  Diplotaxis muralis A. C. Sanders 2002-11-17 25624 Riverside San Bernardino/Santa Ana River Valley Region, Riverside, UCR Botanical Garden, near the west fence above the Latin American section 366 Comment
  CHSC110028  Ditaxis lanceolata Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot, 2004-5-14 11225 Riverside Colardo Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  JOTR34105  Ditaxis lanceolata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2671 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  JOTR37430  Ditaxis lanceolata Hodges, Stephen R., T. Hender 2015-12-29 552 Riverside Joshua Tree National Park. Eagle Mountains, Mouth of Dragon Wash (Stop 1) Comment
  LA204866  Ditaxis lanceolata Theodore Labouchere; April 1915 204 Riverside borders of the Colorado desert along the E base of San Jacinto Mountain, not far from Palm Springs Comment
  POM13723  Ditaxis lanceolata E. C. Jaeger 1921-3-13 54 Riverside Red Rock Canyon near Mecca, Colorado Desert. 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
  UCR117379  Ditaxis neomexicana B. G. Pitzer 1998-2-1 3450 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR216114  Ditaxis neomexicana Jim Andre, T. La Doux 2009-2-25 10813 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  RSA651835  Dithyrea californica R. J. Silva 1949-2-12 s.n. Riverside Found: 1000 Palm Canyon. 762 Comment
  RSA66547  Dithyrea californica F. W. Peirson 1914-04 1918 Riverside Whitewater at head of Coachella Valley. Comment
  SD255125  Dithyrea californica Duncan S. Bell 2010-2-21 554 Riverside Arica Mountains; within the Palen/McCoy Wilderness area; collecting in large drainage on western section of range. Scattered on sand ramp with Larrea tridentata. 452 Comment
  SEINET3105562  Dithyrea californica Faulkner 1978-3-20 331 Riverside Near Big Maria Mountains, 1 mile west of Colorado River. 152 Comment
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Sep 9 2013
  UC186810  Dithyrea californica S. B. and W. F. Parish April 1882 15 Riverside Whitewater, borders of the Colorado Desert Colorado Desert Comment
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Jul 15 2009
  UC472687  Dithyrea californica M. F. Spencer 1918-3-28 Riverside near Palm Springs; Colorado Desert 100 Comment
  UCR70735  Dithyrea californica N. C. Cooper 1945-3-24 1618 Riverside Sonoran (Colorado) Desert; San Gorgonio Pass, Cabazon 457 Comment
  UCR85252  Dithyrea californica A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16186 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  RSA574741  Dodecahema leptoceras Steve Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, Temescal Canyon, along Indian Wash, S of Di Palma Road and I-15. 366 Comment
  SD138824  Dodecahema leptoceras Craig Reiser 1993-4-24 Riverside Near Vail Lake, west of entrance to Butterfield Campground north of Highway 79 Comment
  UCR60655  Downingia bella R. F. Thorne 1974-5-23 44682 Riverside Santa Ana Mtns., Santa Rosa Plateau, E of Redonda Mesa, Rancho California 610 Comment
  CAS-BOT-BC41673  Draba cuneifolia var. integrifolia Peter H. Raven 1958-1-24 11448 Riverside Fargo Canyon. Comment
  UCR121692  Draba verna A. C. Sanders 2002-5-4 25038 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  IRVC137  Dryopteris arguta Christie Duncan 1965-2-28 HS 530 Riverside Ortega Hwy [74]; El Carriso guard station. Peninsular Ranges, Santa Ana Mountains Comment
  SDSU13553  Dryopteris arguta W. Miller with C. Mosse 1972-7-11 Riverside Comment
  UCR264471  Dryopteris arguta S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1075 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, upper part of canyon, near Corona 732 Comment
  RSA463691  Dudleya edulis Steve Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with Temecula Creek, near the town of Murrieta. 290 Comment
  SEINET9037719 Image available Dudleya lanceolata M. A. Baker 2015-1 18321 Riverside San Gorgonio Pass, 4.2km east of the San Gorgonio River, 28km WNW of Palm Springs, broad dissected wash of pale rock, gravel, and sand 640 Comment
  CAS-BOT-BC109628  Dudleya multicaulis Mrs. C. M. Walden s.n. Riverside West of Riverside. Comment
  CLARK-A1528-1173  Dudleya saxosa subsp. aloides Sally Bell 1964-5-3 Riverside 761 Comment
  SEINET8060783 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 14 Riverside Barstow SE quad. Barstow Rd. entry to BLM limited use land. N of saloon. West side of Rd. on low hill. Stoddard Valley. between power lines to the south, and double power lines to the north 900 Comment
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Jun 5 2016
  UC277044  Echinocereus mojavensis E. C. Jaeger May 1921 Riverside Little San Bernardino Mts. , Keyer Ranch (Keyer Ranch) Comment
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Apr 4 2011
  RSA737219  Echinochloa crus-galli Justin M. Wood 2008-9-30 177 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR207329  Ehrharta erecta O. F. Clarke 2000-4-22 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UC219278  Elatine californica P. A. Munz and I. M. Johnston 1922-5-21 5520 Riverside Hemet Valley San Jacinto Mts 1386 Comment
  UCR196306  Eleocharis acicularis R. F. Thorne 1973-5-23 43850 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  SEINET7586407 Image available Eleocharis montevidensis Unknown 1969-6-6 39345 Riverside Santa Rosa Plateau, Rancho California. 610 Comment
  RSA191443  Eleocharis montevidensis var. montevidensis E. W. Lathrop, Robert F. Thorne 1967-9-26 6629 Riverside 6 miles NW of Murrieta. Comment
  RSA556501  Eleocharis palustris Julie Greene 1993-4-3 1105 Riverside San Jacinto Wildlife Area: west of dirt road. 445 Comment
  CAS-BOT-BC113297  Eleocharis parishii P. A. Munz; L. F. Street; G. Williams 1919-3-25 2328 Riverside Palm Canon, Palm Springs, along stream. Comment
  HSC80291  Eleocharis radicans Steve Boyd 1985-8-7 1108 Riverside Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Rd., 0.8 mi. E of the junction w/ FS Rds. 8S01 & 8S02 671 Comment
  RSA0050592  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35940 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. In open disturbed area along road 5S02. 1402 Comment
  SD137954  Elymus condensatus Darin L. Banks 1995-10-17 786 Riverside Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, S of the Dripping Springs Campground, on broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  SEINET251712  Elymus glaucus Unknown 2004-5-27 646 Riverside San Bernadino Mountains; Head of Banning (San Gorgonio River) Canyon close to the San Bernadino Co. line, 0.5 mi SE of Oak Glen Conservation Camp (Forest Falls 7.5' Q). 1402 Comment
  RSA619571  Elymus glaucus subsp. jepsonii D. L. Banks 1997-5-5 1976 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SEINET10869081 Image available Elymus glaucus var. jepsonii Harvey M. Hall Hall 2097 Riverside San Jacinto Mountains, south side 1463 Comment
  UCR2372  Elymus triticoides F. M. Reed 1907-6-23 1445 Riverside Santa Ana River, City of Riverside, old field in the Santa Ana River bottom above the bridge on the West Riverside Road 244 Comment
  CSUSB99  Emmenanthe penduliflora Karen Cook 1966-5-16 Riverside Santa Ana River bottom, east of Van Buren Ave. in city of Riverside. 182 Comment
  RSA784785  Emmenanthe penduliflora Duncan S. Bell 2012-3-18 3189 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
  UCR116927  Emmenanthe penduliflora A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24216 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR241193  Emmenanthe penduliflora T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 375 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR906A  Emmenanthe penduliflora S. Riddell 1973-5-17 7 Riverside Santa Ana Mtns, Hwy 74, 8.8 mi west of Hwy 71-74 junction, west of Elsinore 640 Comment
  POM301791  Encelia actoni J. Cole 1942-5-19 969 Riverside White Tanks, Joshua Tree National Monument. 1280 Comment
  RSA502503  Encelia actoni Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3723 Riverside Vail Lake area, recently burned hills SE of lake, S of Hwy 79. 488 Comment
  CAS-BOT-BC131315  Encelia farinosa N. Artkenhead 1977-2-2 2115 Riverside 1 mi. from junction of J.T. Mon. Rd. and pipeline Comment
  POM41496  Encelia farinosa Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sea near Oasis. Comment
  SEINET11859836  Encelia farinosa Unknown 1936-4-21 12748 Riverside Colorado Desert N of Palm Springs Comment
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Oct 7 2017
  LA6775  Ephedra californica LeRoy Abrams; 1903-4-6 3204 Riverside Palm Springs Comment
  RSA697722  Ephedra nevadensis J. R. Bruff 1927-11-26 38 Riverside Cottonwood Springs vicinity. Comment
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Jul 7 2012
  SBBG51413  Ephedra viridis W. Zabriskie 1974-3-27 161 Riverside S of jct with North Cyn, Andreas Cyn Comment
  SD122186  Epilobium canum subsp. canum James C. Dice, J. DeWald 1987-9-28 727 Riverside North side of Temecula Gorge, ca. 4.2 km ENE of Gavilan Mountain. 334 Comment
  UC205218  Epilobium canum subsp. latifolium E. M. Fultz Sep. 1917 Riverside Idyllwild San Jacinto Mts. Comment
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Mar 21 2011
  UCR174088  Epilobium ciliatum A. C. Sanders 2006-5-19 32436 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
  RSA680161  Equisetum arvense Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8627 B Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SD229010  Equisetum laevigatum Dick Schwenkmeyer 2012-6-27 754 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  UCR236672  Eragrostis Fred M. Roberts, Michelle Balk 2006-8-24 6403 Riverside Upper San Jacinto Valley, Hemet, south side of Esplanade Rd. near intersection with Alabaster Rd., 0.3 km E of junction with Warren Rd. 452 Comment
  CAS-BOT-BC204533  Eragrostis curvula S. Morgan 1992-7-27 92 -7 Riverside UCR campus. In the Latin American section of the UCR Botanical Garden; garden quad. F-4 Comment
  SEINET10558917  Eragrostis mexicana subsp. virescens Steve Boyd 1989-7-9 Boyd 3771 Riverside City of Riverside, weeds in vegetable garden of house at 4863 Rubidoux Ave. Comment
  UCD63441  Eragrostis minor C. E. Good 1939-12-4 Riverside Sage. Comment
  RSA23236  Eremalche rotundifolia Ernest Braunton 1940-3-4 2026 Riverside 5 mi. East of Shaver s Well. Comment
  RSA557369  Eremocarpus setiger Julie Greene, S. D. White 1993-7-5 1402 Riverside San Jacinto Wildlife Area. Lower, flat area, W of dirt road. 441 Comment
  UCR279387  Eremothera chamaenerioides A. C. Sanders, Jim Malusa 2017-3-24 42984 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
  JOTR36440  Eremothera refracta La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3412 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  UCD170704  Eremothera refracta G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2739 Riverside Chuckwalla Mountains: Graham Pass Road, 10.6 miles SSW of Chuckwalla Valley Road. 448 Comment
  UCSB7335  Eremothera refracta Wilson, Richard 1958-3-22 Riverside 7 miles E. of Desert Center on U.S. Highway 60-70 Comment
  UC218262  Eriastrum densifolium subsp. austromontanum P. A. Munz 1922-7-1 5927 Riverside Old Nicholas Canyon Santa Rosa Mts. 1524 Comment
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Jun 4 2009
  CAS-BOT-BC514314  Eriastrum densifolium subsp. austromontanum C. W. Tilforth 1976-7-21 1222 Riverside C. 5 mi N of Idyllwild 1524 Comment
  UCR126169  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-22 101 Riverside Arroyo Seco Creek, adjacent to Dripping Springs Public Campground, c. 500 m south of terminal loop of campground road, along east bank of creek 488 Comment
  RSA0119710  Eriastrum diffusum subsp. coachellae Charlotte M. Wilder 1907-4-9 709 Riverside Below junction of washes from Palm and Murray canyons. Comment
  CAS-BOT-BC514461  Eriastrum eremicum subsp. eremicum Edith A. Purer 1935-4-21 6459 Riverside Near Palm Springs Comment
  JOTR01153  Eriastrum eremicum subsp. eremicum Cole, James E. 1941-5-31 845 Riverside Joshua Tree National Park. LOST HORSE MINE AREA 1524 Comment
  RSA0116747  Eriastrum harwoodii Duncan S. Bell 2010-5-1 905 Riverside Arica Mountains: northwest of mountain range, approximately 7.2 air miles west of the ghost town of Rice, and approximately 6 air miles northwest of Priests Well. 312 Comment
  SD260101  Eriastrum harwoodii J. M. Andre 2013-3-27 24794 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) Low dunes. 242 Comment
  JEPS69111  Eriastrum sapphirinum W. L. Jepson 1914-5-25 6072 Riverside San Gorgonio Pass 548 Comment
  SBBG5826  Eriastrum sapphirinum H. and M. Dearing 1940-6-8 4354 Riverside Palms to Pines Hwy, W of Ribbonwood Comment
  UCR231763  Eriastrum sapphirinum John F. Green 2008-4-23 09- 08 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
  UCR3494  Eriastrum sapphirinum Frances Miller 1964-5-20 M 6460 Riverside N Peninsular Range/San Bernardino Valley, base of Box Springs Mtns., 1/4 mi north of end of Big Springs Rd, above RR 366 Comment
  UCR55269  Eriastrum sapphirinum Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., Bautista Canyon, lower end of Bautista Rd. Comment
  UCR6423  Eriastrum sapphirinum Lloyd Clark 1967-6-14 s.n. Riverside 0.5 mi north of corner of Wood Rd. and Eschscholtzia St.., Woodcrest Comment
  RSA0122952  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders 1994-5-29 14551 Riverside San Bernardino Mountains: Morongo Indian Reservation, among hills on the low pass between Millard Cyn. and Potrero Cr. 750 Comment
  RSA0121557  Eriastrum sapphirinum subsp. dasyanthum Percy C. Everett, E. K. Balls, L. W. Lenz 1952-7-1 17283 Riverside 6.7 miles W along Highway 74 from junction with road from Idyllwild. 915 Comment
  RSA0121558  Eriastrum sapphirinum subsp. dasyanthum Mary F. Spencer 1919-6-17 1191 Riverside Roadside on slope of San Jacinto Mt. 1098 Comment
  UCR13709  Ericameria cuneata J. Zabriskie, N. Ryan Zabriskie 1972-10-21 543 Riverside Peninsular Range; San Jacinto Mtns., SE of S end Marion Ridge Rd., Pine Cove, SW drainage San Jacinto Mtns. 1921 Comment
  UCR150031  Ericameria cuneata Scott D. White 2000-11-16 8153 Riverside San Jacinto Mtns, North of Alvin Meadow near USFS Road 5S10 (Red Hill Road) 1677 Comment
  UCR84641  Ericameria linearifolia Scott D. White, S. Ogg 1994-4-21 1981 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA783438  Ericameria nauseosa J. D. Olmsted 1959-9-23 1018 Riverside 4 miles S of Hemet Lake on Hwy. 74, San Jacinto Mts. 1387 Comment
  SEINET10808732  Ericameria nauseosa David B. Dunn 1947-9-21 Dunn 3519 Riverside Collected in a shallow wash about 5 miles in from Hwy. to 29 Palms. In Joshua Tree National Monument. Comment
  RSA0034555  Ericameria palmeri var. pachylepis Scott D. White 1999-10-7 7624 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  RSA782141  Ericameria paniculata Stephanie Rockwood, Christi Gabriel 2011-10-18 145 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 99 Comment
  UC894832  Ericameria paniculata Carl B. Wolf 1932-10-11 Riverside at San Bernardino Co. line Morongo Wash; Colorado Desert, Little San Bernardino Mts., Morongo Wash 731 Comment
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Feb 10 2013
  UCR238029  Ericameria pinifolia Mark A. Elvin, Julie M. Vanderwier, Frank Sartuche 2002-5-16 2046 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  CAS-BOT-BC293300  Ericameria teretifolia Edmund C. Jaeger 1938-10-21 s.n. Riverside Joshua Tree Nat'l Monument, 12 miles south of Warren's Well 1280 Comment
  SEINET7062959  Erigeron foliosus A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. UTM Zone 11, 476282mE, 3705489mN. (WGS84/NAD83). 263 Comment
  UCR167305  Erigeron foliosus Scott D. White, Jennifer H. Jones 2005-5-24 11095 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  LA205602  Eriodictyon crassifolium D. A. Johansen; J. A. Ewan 1932-4-10 7091 Riverside San Jacinto Mountains, Tahquitz Canyon. W Colorado Desert Comment
  POM73306  Eriodictyon crassifolium Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA6842A  Eriodictyon crassifolium P. A. Munz, L. T. Street 1919-5-7 2734 Riverside Tahquitz Canyon 213 Comment
  SEINET244776  Eriodictyon crassifolium Ian G. Gillespie, Summer Karsh 2000-5-13 41 Riverside San Jacinto Mtns.; ca 200 m up Mt. Edna Road off Hwy 243 on the northern side of the mountains. 1159 Comment
  UCSB16639  Eriodictyon crassifolium Hurst, Linda 1963-5-5 Riverside Along State Highway 74, about 3 miles west of Palm Desert 198 Comment
  CAS-BOT-BC189132  Eriodictyon crassifolium var. crassifolium Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  UC24068  Eriodictyon crassifolium var. crassifolium H. M. Hall 1899-5-20 1107 Riverside Valle Vista San Jacinto Mountains, Valle Vista (in sand washes) Comment
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Mar 27 2011
  UC455938  Eriodictyon crassifolium var. crassifolium I. J. Condit 1910-6-24 Riverside San Jacinto Mts. Comment
  RSA455110  Eriodictyon trichocalyx Larry E. DeBuhr 1977-5-6 2588 Riverside Whitewater Canyon, ca. 4.5 miles N from I-10. Comment
  UCR133364  Eriodictyon trichocalyx Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 298 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCR193863  Eriogonum A. C. Sanders, Mitch Provance 2008-7-11 35816 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
  RSA0093769  Eriogonum apiculatum Duncan S. Bell 2015-9-30 8686 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  SEINET13262873 Image available Eriogonum apiculatum L. C. Wheeler 1945-1 6412 Riverside divide between West Fork Snow Creek and North Fork San Jacinto River 2378 Comment
  UCR272169  Eriogonum apiculatum Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-6-16 8571 Riverside Santa Rosa Mountains, along Forest Service Road 7S02, c. 0.7 air mile west of the summit of Santa Rosa Mountain Comment
  POM146196  Eriogonum baileyi var. baileyi F. M. Reed 1927-10-22 5513 Riverside Big Morongo Valley, south of Mojave Desert [Riverside or San Bernardino County] Comment
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Jun 30 2012
  RSA736737  Eriogonum elongatum Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10683 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  RSA772961  Eriogonum elongatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4771 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  POM115636  Eriogonum fasciculatum var. foliolosum A. M. Alexander, Louise Kellogg 1941-5-23 2223 Riverside 1.5 miles northeast of Cottonwood Spring, Eagle Mountains. 976 Comment
  UCR137479  Eriogonum fasciculatum var. foliolosum D. L. Banks 1997-3-16 1540 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  RSA19901  Eriogonum fasciculatum var. polifolium I. W. Clokey 1935-4-21 s.n. Riverside Kern Camp P.O. 1360 Comment
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Nov 20 2010
  RSA393345  Eriogonum fasciculatum var. polifolium N. C. Cooper 1944-5-19 1296 Riverside Banning. 701 Comment
  CAS-BOT-BC253489  Eriogonum gracile Peter H. Raven; Sidney R. Snow 1956-6-30 9544 Riverside Deserty flats 1.7 miles west of Dripping Springs guard statoin on road to Temecula Comment
  RSA192354  Eriogonum gracile var. gracile E. W. Lathrop 1966-5-23 6331 Riverside 6 miles NW of Murrieta. Comment
  RSA602690  Eriogonum gracile var. gracile Louis C. Wheeler 1933-12-1 2282 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  RSA485411  Eriogonum gracile var. incultum Steve Boyd 1987-2-12 1966 Riverside Temescal Canyon, southeast of Corona, where Horsethief Wash crosses Temescal Canyon Rd. 354 Comment
  SEINET3289845 Image available Eriogonum gracile var. incultum M. W. Denslow, Firoozeh Navid- Ara; Valeria Soza 2003-7-16 1456 Riverside Peninsular Ranges; San Jacinto Mountains Region: Santa Rosa Mountains, at junction of Road 7S02 and 74, just west of Rarick Spring 1479 Comment
  JOTR29523  Eriogonum heermannii var. argense La Doux, Tasha, Mike Bell 2006-9-6 1583 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam Comment
  CAS-BOT-BC257580  Eriogonum inflatum L. R. Abrams 1926-3-27 11124 Riverside Near Whitewater Comment
  UC68577  Eriogonum inflatum var. inflatum H. M. Hall Apr 1905 5908 Riverside Chuckwalla Springs Colorado Desert, Chuckwalla Springs Comment
  JOTR33769  Eriogonum maculatum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2925 Riverside Joshua Tree National Park. north of Quail Mountain, near the mouth of Johnny Lang Canyon; loamy and gravelly gentle slopes with rock outcrops in an old burn area from 1999 fire 1173 Comment
  JOTR33783  Eriogonum maculatum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2925 Riverside Joshua Tree National Park. north of Quail Mountain, near the mouth of Johnny Lang Canyon; loamy and gravelly gentle slopes with rock outcrops in an old burn area from 1999 fire 1173 Comment
  RSA0094199  Eriogonum maculatum Jim M. Andre 2012-4-11 20794 Riverside Little San Bernardino Mountains; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.7 mi. north of Cottonwood Visitor Ctr. 956 Comment
  UCR24321  Eriogonum maculatum John C. Roos 1958-9-28 s.n. Riverside Santa Rosa Mtns., Pinyon Flats 1220 Comment
  RSA393696  Eriogonum molestum N. C. Cooper 1944-6-16 1558 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  RSA615042  Eriogonum molestum G. R. Ballmer 1991-8-11 s.n. Riverside Santa Rosa Mountains, Santa Rosa Mountain Rd (Truck Trail going up Santa Rosa Mountain), ca. 8 mi. SE of the junction with Hwy 74. West of Deep Canyon. Comment
  CHSC1327  Eriogonum nidularium E. Thomas 1939-10-1 Riverside Temescal canyon along Santa Ane Wash. Comment
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Dec 17 2019
  UCSB12437  Eriogonum nudum var. pauciflorum Breedlove, Dennis 1961-8-4 Riverside Black Mtn Campground; NW side of Black Mtn; San Jacinto Mtns 2286 Comment
  CHSC26394  Eriogonum pusillum Dieter H. Wilken 1966-3-26 771 Riverside Whitewater Canyon along the eastern periphery. 609 Comment
  CAS-BOT-BC253013  Eriogonum reniforme Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  SEINET2444091  Eriogonum reniforme C. Davidson 2010-4-1 11643 Riverside Highway 168 to Joshua Tree National Park, ca 1 mile from 1-10. 515 Comment
  CAS-BOT-BC263507  Eriogonum thomasii Geo. B. Grant 1906-4-20 6719 Riverside Palm Springs Comment
  CAS-BOT-BC263528  Eriogonum thomasii Ivan Johnston 1917-4-4 1091 Riverside Near Palm Springs, Colorado Desert Comment
  JEPS56263  Eriogonum thomasii W. L. Jepson 1927-4-12 11655 Riverside Painted Canyon Mecca Hills, Painted Canyon 76 Comment
  RSA124109  Eriogonum thomasii Percy C. Everett, E. K. Balls 1958-4-29 22960 Riverside U.S. Hwy 60/70, Indio to Blythe, 5 mi. E from jct. with U.S. Hwy 99 122 Comment
  RSA424859B  Eriogonum thomasii M. B. Dunkle 4912 Riverside Colorado Desert, east of Indio. Comment
  RSA64621  Eriogonum thomasii F. W. Peirson 1926-1-31 6490 Riverside Dos Palmas [Spring], Colorado Desert. Comment
  RSA784940  Eriogonum thomasii Duncan S. Bell 2012-2-12 3118 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UC1595720  Eriogonum thomasii W. Wisura, J. Dolan, M. Wall 1992-3-24 4617 Riverside on Box Canyon Rd. 4.7 mi ne Mecca Comment
  UCD101281  Eriogonum thomasii LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1459 Riverside Colorado Desert. Chocolate-Chuckwalle Mountains region. Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 479 Comment
  UCR101593  Eriogonum thomasii Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  CHSC110677  Eriogonum thurberi Dean Wm. Taylor 2003-5-6 18517 Riverside Wash of the San Gorgonia River ca. 1 miles south of the intersection of Highway 111 with Interstate 10. 365 Comment
  SEINET3405309 Image available Eriogonum thurberi Susan G. Stokes 1933-7-1 74 Riverside Road to Idyllwild 1219 Comment
  CAS-BOT-BC261780  Eriogonum wrightii var. nodosum P. A. Munz 1936-5-5 14593 Riverside Whitewater Creek, 2mi. north of main highway, northwestern corner of Coachella Valley Comment
  JEPS56121  Eriogonum wrightii var. nodosum Marjorie D. Clary 1932-12-13 771 Riverside 15 mi nw Indio (base of mountains in Deep Canyon); Colorado Desert, Deep Canyon 304 Comment
  RSA450252  Eriogonum wrightii var. nodosum J. C. Roos 1967-10-28 s.n. Riverside Whitewater. 427 Comment
  SD144440  Eriogonum wrightii var. nodosum A. C. Sanders, P. MacKay 1994-10-23 15845 Riverside San Bernardino Mountains; Whitewater River Canyon, between the trout hatchery & Bonnie Bell, ridge SW of hatchery 779 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
  POM15208  Eriophyllum ambiguum var. paleaceum Mary F. Spencer 1922-4-10 1952 Riverside Snow Creek prope [near] Palm Springs Comment
  CAS-BOT-BC297348  Eriophyllum confertiflorum Carl B. Wolf 1932-5-25 3691 Riverside Bad Lands, SW of Beaumont, 0.25 mile SW of summit of Moreno Grade 670 Comment
  RSA707887  Eriophyllum confertiflorum Scott D. White, Angelia Carey 2004-4-16 10157 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCSB26795  Eriophyllum confertiflorum Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs, Santa Rosa Mtns. 2377 Comment
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Apr 1 2014
  LA205932  Eriophyllum confertiflorum var. confertiflorum W. Pequegnat; 1937-8-31 Riverside Santa Ana Mountains, Indian Truck Trail Comment
  RSA604747  Eriophyllum multicaule A. C. Sanders 1995-4-16 16559 Riverside Glen Avon: Jurupa Hills (draining toward Fontana), Pyrite St. Canyon. 335 Comment
  UCR167816  Eriophyllum multicaule A. C. Sanders 2005-4-21 29572 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  RSA92511  Eriophyllum multicaule F. W. Peirson 1928-4-19 7842 Riverside Hills N of Elsinore 457 Comment
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Oct 23 2011
  HSC5630  Eriophyllum wallacei C. L. Hitchcock, C. V. Muhlick 1964-3-22 23263 Riverside Pinto Basin; Joshua Tree National Monument Comment
  POM358161  Eriophyllum wallacei Martha Hilend 1928-3-10 68 Riverside Morongo Valley.between Colorado and Mojave Deserts Comment
  UC354505  Eriophyllum wallacei Edmund C. Jaeger 1925-5-9 Riverside Van de Venter's Flat Santa Rosa Mts., Van de Venter's Flat Comment
  RSA495825  Erodium brachycarpum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2936 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA772133  Erodium cicutarium Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4861 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. 915 Comment
  UCR202505  Erodium cicutarium Justin M. Wood 2008-12-2 263 Riverside Southwest Perris Basin, city of Temecula, Murrieta Creek, downstream of First Street Bridge 305 Comment
  UCR101101  Erodium macrophyllum Jack Easton 1998-4-16 s.n. Riverside Murrieta region, 'The Willows', a development c. 1 mi. SW of Skunk Hollow, Santa Gertrudis Creek drainage. 366 Comment
  POM14911  Erodium texanum Mary F. Spencer 1922-3-28 504 Riverside Mecca ?. -49 Comment
  RSA744237  Erodium texanum M. Wall 2009-4-5 504 Riverside Ridge line above Ladder Canyon off Painted Canyon east of Mecca 279 Comment
  SD229286  Erythranthe cardinalis Dick Schwenkmeyer 2012-6-27 747 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  RSA0014881  Erythranthe primuloides Gary D. Wallace 2003-7-8 4033 Riverside Hidden Lake. Comment
  SEINET13732758 Image available Erythranthe primuloides A. J. Breitung 1953-1 15572 Riverside Mt. San Jacinto. 2438 Comment
  GMDRC5487  Eschscholzia androuxii J. Andre 2012-4-16 20884 Riverside Little San Bernardino Mountains: along Cottonwood Spr. Rd, 1.0 mi. north of South Entrance 584 Comment
  GMDRC5583  Eschscholzia androuxii Shannon M. Still 2008-2-14 252 Riverside Little San Bernardino Mountains: 835 Comment
  RSA0022956  Eschscholzia androuxii Ora M. Clark 1929-3-16 1721 Riverside NW Whitewater Comment
  JEPS21006  Eschscholzia californica W. L. Jepson May 17 1901-Jun 1 1901 1319 Riverside Chalk Hill Mt. San Jacinto Comment
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Mar 6 2007
  CAS-BOT-BC418698  Eschscholzia glyptosperma Anne Constant 1955-3-25 76 Riverside Near Joshua Tree National Monument 914 Comment
  RSA0118599  Eschscholzia minutiflora Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7641 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  UC10051  Eschscholzia minutiflora S. B. Parish Apr 4 1896-Apr 13 1896 4106 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of mt.) 152 Comment
  UCD105364  Eschscholzia minutiflora Geoffrey Levin 1976-3-27 694 Riverside Chino Canyon, west of Palm Springs. Alluvial fan of San Jacinto Mts. 396 Comment
  JOTR38680  Eschscholzia papastillii Hodges, Stephen R. 2017-2-7 696 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  UCD96496  Eschscholzia papastillii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 510 A Riverside California. Riverside County: In middle of Pinto Mtns. 584 Comment
  UCD96514  Eschscholzia papastillii Shannon M. Still; Robert Lee 2009-3-3 452 Riverside California. Riverside County: Joshua Tree National Park. 537 Comment
  JOTR36455  Eschscholzia parishii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3425 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
  UCR112104  Eschscholzia parishii A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23355 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  SD186255  Eucalyptus camaldulensis A. C. Sanders 2004-6-20 28230 Riverside Temescal Canyon, between Glen Ivy Hot Springs and Arcilla. 292 Comment
  UCR96706  Eucrypta chrysanthemifolia A. C. Sanders 1997-3-1 19720 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA771513  Eulobus californicus Keith E. Hoffmaster 1935-3-31 566 -b Riverside Palm Springs Comment
  SBBG35142  Eulobus californicus T. L. Secrest 1948-4-10 Riverside near Hemet Comment
  SD137702  Eulobus californicus Darin L. Banks, Steve Boyd 1995-5-3 233 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SEINET6089988  Eulobus californicus Unknown 1944-5-6 1210 Riverside Whitewater Canyon. Comment
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Feb 27 2016
  SEINET10689684  Euonymus occidentalis var. parishii Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 19 Riverside San Bernardino National Forest. Fuller Mill Creek. Calocedrus decurrens forest, 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  UCR151046  Euonymus occidentalis var. parishii Scott D. White 1998-7-31 6946 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  SD211602  Euphorbia Louis C. Wheeler 1950-4-7 6759 Riverside Circa 3 miles West of Dale Lake, just West of two pumping plants on main 29 Palms - Amboy Road. Comment
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Aug 15 2012
  SD233226  Euphorbia abramsiana Catherine MacGregor 2012-9-13 Riverside East of Blythe. Area where sheet-flowing water backed up and ponded next to an unpaved trail. 127 Comment
  JEPS51904  Euphorbia palmeri W. L. Jepson and H. M. Hall 1901-5-19 1307 Riverside Strawberry Valley; Mt. San Jacinto Comment
  SD127590  Euphorbia polycarpa David Charlton 1988-2-18 1146 Riverside South side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park. 609 Comment
  CLARK-A1528-2708  Euphorbia setiloba John C. Roos 1958-9-28 Riverside San Jacinto Mountains 1219 Comment
  POM163315  Eustoma exaltatum R. C. Bacigalupi 1925-7-1 1245 Riverside Riverside Canyon. Comment
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Feb 22 2014
  POM258736  Fagonia laevis Roxana S. Ferris 1939-3-29 9708 Riverside between Hayfields Reservoir and Desert Center. Indio-Blythe Highway. Comment
  UC1922905  Fagonia laevis Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10896 Riverside Sonoran Desert: Eastern Coachella Valley. Bajada beneath Mecca Hills, just East of Coachella Canal. (Thermal Canyon) Comment
  POM98791  Fagonia pachyacantha Philip A. Munz 1926-1-31 9954 Riverside Dos Palmos [Palmas] Spring. Comment
  UCR86159  Fagonia pachyacantha A. C. Sanders 1995-5-23 17126 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  SEINET11841375  Felicia amelloides O. F. Clarke 1970-1 s.n. Riverside Riverside, University of California campus, Botanic Gardens Comment
  UCR144079  Festuca myuros Scott D. White 1993-3-3 1103 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR2409  Festuca myuros F. M. Reed 1926-6-14 59 Riverside San Jacinto Mtns., Banning Road near Point View [=Vista Grande?], west of Idyllwild 1768 Comment
  CLARK-A1528-4663  Festuca octoflora John C. Roos 1952-4-9 5483 Riverside Riverside 259 Comment
  UCR177423  Festuca octoflora Scott D. White, Michael Honer 2003-4-4 8938 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  UCR93096  Festuca octoflora George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, 5.6 mi NE of Desert Center on Rice Rd. 152 Comment
  UCR228912  Filago arizonica A. C. Sanders 2011-4-7 39031 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake, near canyon crossing at Glen Eden 384 Comment
  RSA612779  Filago californica D. L. Banks, Victor Steinmann 1997-3-13 1423 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
  UCR167298  Filago californica Scott D. White, Jennifer H. Jones 2005-5-24 11096 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR174112  Filago californica A. C. Sanders 2006-5-19 32419 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
  UCR41225  Filago californica N. M. Fellows, A. C. Sanders 1985-4-9 124 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR256790  Filago gallica T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7877 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  CAS-BOT-BC384200  Forestiera pubescens subsp. parvifolia Elizabeth McClintock 1965-6-25 s.n. Riverside Road to Santa Rosa Mountain, a short distance from Pines to Palms Highway Comment
  UCR26250  Fouquieria splendens John C. Roos 1937-4-28 1288 Riverside Sonoran (Colorado) Desert, 35 mi. west of Desert Center [near Cactus City] Comment
  UCR41846  Fouquieria splendens A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6090 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  JEPS45782  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point; Riverside Mts. 45 Comment
  RSA796753  Fouquieria splendens subsp. splendens Jim Andre 2012-4-11 20844 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  UC1122141  Fouquieria splendens subsp. splendens H. S. Yates 1936-4-7 5449 Riverside 8 mi n Mecca; Thermal Quad. 457 Comment
  UCR268290  Frangula californica subsp. cuspidata Jim Andre 2012-6-15 30533 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  UCR110402  Frankenia salina A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23185 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  RSA284586  Frasera parryi C. W. Tilforth, John Dourley 1980-7-15 2081 Riverside South leg of Thomas Mountain Road, south of Lake Hemet, west of Hiway 74. Comment
  UC723892  Fraxinus dipetala Joseph Andorfer Ewan 1933-3-19 10897 Riverside Tin Mine Canyon Santa Ana Mountains Comment
  UCR5585  Fraxinus pennsylvanica subsp. velutina O. F. Clarke 1966-10-5 661005- 40 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  RSA0105844  Fraxinus uhdei Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  CAS-BOT-BC211017  Fraxinus velutina A. C. Sanders; J. Goetzen 1996-5-1 18133 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning 915 Comment
  RSA342005  Funastrum cynanchoides var. hartwegii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin 1980-4-16 54111 Riverside San Bernardino Mountains: Mesquite thicket along Whitewater Canyon road. Comment
  SD187330  Funastrum heterophyllum Scott D. White, Angelia Carey 2004-9-16 10753 Riverside San Jacinto Mountain foothills: Along Poppet Creek northeast of San Jacinto River. 561 Comment
  RSA0040094  Funastrum hirtellum Duncan S. Bell, Deidre Conocchioli 2014-3-18 6258 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  CDA3333  Galenia pubescens E. C. Nord 1971-1-29 Riverside Fire Lab, Riverside. 0 Comment
  UCR135860  Galium angustifolium A. C. Sanders 2004-4-20 27526 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  CLARK-A1528-7883  Galium angustifolium subsp. angustifolium John C. Roos 1948-5-8 3819 Riverside Whitewater Canyon 548 Comment
  JEPS56072  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-17 4128 Riverside road from Banning to Idyllwild 2 mi n Lake Fullmore Comment
  RSA202686  Galium angustifolium subsp. angustifolium L. T. Dempster, G. Ledyard Stebbins 1966-6-19 4276 Riverside Above Mountain Home Spring, 1.8 miles on road to Santa Rosa Mountain. Comment
  RSA740626  Galium angustifolium subsp. angustifolium Scott D. White, Justin M. Wood 2008-7-8 12380 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  LA208473  Galium angustifolium subsp. gracillimum Martha Hilend; 1930-6-27 612 Riverside Santa Ana River, near Leven lake Comment
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Mar 9 2014
  SDSU13997  Galium aparine Michael G. Simpson 2000-4-30 2084 Riverside Edge of wash, adjacent to mixed chaparral, ea. 100 feet east of Southside field station (Henderson House), Santa Margarita Ecological Reserve (SDSU). 122 Comment
  UCR133387  Galium aparine Tracy Tennant, T. B. Salvato 1998-6-23 488 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  JOTR33927  Galium multiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2818 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  UCR121354  Galium multiflorum A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24607 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  UCR26357  Galium parishii A. C. Sanders, J. A. Harpel 1981-8-26 2332 Riverside Santa Rosa Mtns., About 100 ft below the summit of Toro Peak 2622 Comment
  SDSU14028  Galium porrigens var. porrigens Michael G. Simpson, Kim O'Connor 2000-4-29 2071 Riverside Rocky ridge, ca. 100 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  JOTR35080  Galium stellatum La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3531 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  UCSB45609  Galium stellatum Roos, John 1949-4-6 Riverside Canyon in the Orocopia Mtns. 2 1/2 miles N.E. of Dos Palmas Spring 182 Comment
  UCR237478  Galium stellatum var. eremicum Duncan S. Bell 2010-3-20 624 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  UCR120903  Gamochaeta pensylvanica A. C. Sanders 2002-3-20 24895 Riverside Sonoran (Colorado) Desert, Coachella Valley, city of Palm Springs, around offices of Agua Caliente Band of Cahuilla Indians, 650 E Tahquitz Canyon Way at Calle El Segundo 137 Comment
  UCR84788  Garrya Scott D. White, S. Ogg 1994-4-21 2010 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  POM30733  Geraea canescens W. G. Wright s.n. Riverside Agua Caliente (Palm Spring), Colorado Desert. Comment
  POM358658  Geraea canescens H. S. Gentry 6201 Riverside 15 miles N of Desert Center, Riverside County? Comment
  RSA457791  Geraea canescens Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2207 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA771683  Gilia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4982 -b 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
  UCR152523  Gilia A. C. Sanders 2005-4-22 29610 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR193133  Gilia A. C. Sanders, Tim Thomas 2008-6-20 35528 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  UCR240644  Gilia Tracy Tennant, Mitch Provance 1998-6-16 MOR- 436 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  UCR261443  Gilia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41431 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  JEPS69452  Gilia angelensis W. L. Jepson 1901-5-17 1230 Riverside Riverside 266 Comment
  RSA586845  Gilia angelensis D. L. Banks, S. D. Boyd 1995-5-3 0264 B 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
  UCR96813  Gilia angelensis Scott D. White 1993-3-12 1181 Riverside Near Winchester 466 Comment
  UCR98211  Gilia angelensis B. G. Pitzer 1997-4-1 3059 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  RSA0016201  Gilia brecciarum Scott D. White, Bill La Haye 2000-5-27 7960 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA314459  Gilia capitata subsp. abrotanifolia R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55470 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA0124003  Gilia diegensis Duncan S. Bell, Thomas Stoughton 2016-4-13 9248 A Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  RSA717335  Gilia minor Scott D. White, Jennifer H. Jones 2005-5-24 10913 -B Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 Comment
  UCR202410  Gilia ochroleuca Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  CAS-BOT-BC407608  Gilia ochroleuca subsp. exilis Blanche Trask 1904-11-1 191 Riverside Santa Rosa Mts.; Sta. Rosa Pk Comment
  RSA0016275  Gilia ochroleuca subsp. exilis A. C. Sanders, B. Pitzer 1986-4-30 6475 Riverside Lower Bee canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  SD38842  Gilia ochroleuca subsp. exilis Edith A. Purer 1935-4-21 6441 Riverside Pine Valley, Pines to Palms Highway. Comment
  SEINET3087440 Image available Gilia ochroleuca subsp. exilis Andrew C. Sanders, B. Pitzer 1986-4-30 6475 Riverside San Jacinto Mtns.; lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  UC879805  Gilia ochroleuca subsp. exilis K. Watkins and E. McClintock 1937-4-9 Riverside pasture 1 mi w San Jacinto; w of San Jacinto Comment
  RSA0054864  Gilia peduncularis Keith E. Hoffmaster 1937-6-6 771 Riverside San Jacinto Mts. Comment
  RSA0107456  Gilia scopulorum Duncan S. Bell, Amanda Turek 2010-4-9 784 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 485 Comment
  RSA779686  Gilia scopulorum Duncan S. Bell 2010-4-2 697 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness., Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  JOTR35218  Gilia stellata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3642 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash with gradual, loose slopes on either side; draining into west Pinkham Wash (Stop 3) Comment
  RSA554370  Gilia stellata Theo Glenn 1991-4-9 91 -10 Riverside Big wash in Eagle Mountains 786 Comment
  RSA792047  Gilia stellata R. F. Thorne 1995-3-29 63022 Riverside White Water Canyon. 600 Comment
  SBBG5904  Gilia stellata H. and M. Dearing 1937-4-10 Riverside NE of Indio Comment
  UC1302375  Gilia stellata Robert F. Thorne 1963-3-29 32425 Riverside ca 12 mi ene Mecca (sandy desert wash); ene of Mecca Comment
  CAS-BOT-BC280555  Glyceria elata J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San Jacinto Mtns. Comment
  RSA725792  Gnaphalium beneolens R. E. Riefner 2006-9-14 06 -432 Riverside Peninsular Range: Temecula, Temecula Valley, Hwy 79 at Old Town Front Rd. 305 Comment
  UCR182823  Gnaphalium canescens subsp. beneolens R. E. Riefner Jr. 2006-9-14 06- 432 Riverside Peninsular Range, Temecula, Temecula Valley, Hwy 79 at Old Town Front Rd. 305 Comment
  POM259120  Gnaphalium palustre P. A. Munz 1938-8-14 15352 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  RSA234064  Gnaphalium palustre R. F. Thorne, E. W. Lathrop 1969-5-19 37970 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado. 625 Comment
  UC485697  Gnaphalium palustre Katharine Brandegee 1906-1 Riverside near Riverside; Wilders Ranch Comment
  UCR63931  Gossypium hirsutum B. Lennart Johnson 1970-11-18 s.n. Riverside University of California, Riverside Comment
  JOTR31173  Gutierrezia microcephala Matthews, Katy, Scott Szabo, Miriam Vamstad 2008-9-10 2 Riverside Joshua Tree National Park. Geology Tour Rd. burn site [UTMs (NAD83) estimated from lat/long Aug 2012 -MH) 1353 Comment
  UCR281216  Harpagonella palmeri var. palmeri Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 38 Riverside Peninsular Ranges, Sedco Hills (east end), along Beverly St. (especially the S side), between Green Meadow Way and Upton Dr. 537 Comment
  SEINET13387099 Image available Helianthemum scoparium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8350 Riverside Santa Ana Mountains: unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway (Corona South 7.5' Q.) 424 Comment
  RSA754131  Helianthus californicus W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-9-4 18 Riverside Idyllwild: In a dry creek bed. Comment
  POM8438  Heliotropium curassavicum var. oculatum P. A. Munz, R. D. Harwood 1920-3-20 3377 Riverside Lake Elsinore 396 Comment
  UCR35180  Heliotropium curassavicum var. oculatum L. B. Ziegler 1974-5-20 525 Riverside San Jacinto Valley, San Jacinto River bed 489 Comment
  RSA801728  Hemizonella minima LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6182 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  UCR239919  Hemizonia fasciculata O. F. Clarke 2004-5-2 s.n. Riverside Santa Ana River near Riverside 244 Comment
  RSA717681  Hemizonia kelloggii A. C. Sanders 2004-5-5 27786 Riverside Gavilan Hills; route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR132828  Hemizonia mohavensis A. C. Sanders, Steve Boyd, Jeff Ross, Mitch Provance 1998-10-25 22271 Riverside San Jacinto Mtns., Mt. Edna Road, c. 0.2 mi. west of Hwy 243 1159 Comment
  UCR195120  Hemizonia mohavensis A. C. Sanders, Tim Thomas 2008-8-1 35966 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  RSA638200  Hemizonia paniculata Scott D. White 1988-10-9 7170 Riverside Corona, near Bedford Canyon. Foothills at eastern slope of Santa Ana Mts. ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 305 Comment
  UCR239889  Hemizonia paniculata O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  UCR189808  Hemizonia pungens subsp. laevis Theresa Johnson 2006-6-1 142 Riverside Peninsular Range, San Jacinto Wildlife Area. South of main entrance road to San Jacinto Wildlife Area. Located parallel to dirt road c. 500 m west of Davis Road along dry alkali flats 433 Comment
  UCR260132  Hemizonia pungens subsp. laevis A. C. Sanders 2015-2-19 41248 Riverside San Jacinto Valley, 53 acre parcel c. 370 m south of Ramona Expressway and 1 km east of Warren Rd., north of Record Rd. 442 Comment
  UCR66975  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-20 2053 Riverside N shoulder of Ramona Expressway, 440 m west of Lakeview & c. 587 m east of San Jacinto River 477 Comment
  UCR90763  Hemizonia pungens subsp. laevis D. E. Bramlet 1993-5-16 2356 Riverside 5.7 km west of Hemet, 488 m north of Florida Ave and 1 m west of old Warren Road. the site is found on a parcel between old Warren and Warren Rd., c. 274 north of the intersection of these two roads 456 Comment
  UCR136161  Heteromeles arbutifolia A. C. Sanders 2004-6-20 28211 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UC63142  Heterotheca grandiflora H. M. Hall 1899-1-1 Riverside vicinity of Riverside Comment
  RSA0075882  Heterotheca grandiflora N. C. Cooper 1943-9-11 901 Riverside Banning 610 Comment
  UC31137  Heterotheca sessiliflora subsp. echioides Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  CAS-BOT-BC310923  Heterotheca villosa J. C. Roos 1965-9-16 s.n. Riverside On State St. near Florida St., Hemet Comment
  CAS-BOT-BC206627  Heuchera hirsutissima Elizabeth McClintock 1965-6-25 119 Riverside Santa Rosa Mountain, a short distance below summit. Comment
  CAS-BOT-BC47578  Heuchera parishii Carl B. Wolf 1932-8-5 3977 Riverside San Jacinto Mts. Summit of San Jacinto Peak 3293 Comment
  RSA0042858  Hibiscus denudatus Duncan S. Bell, LeRoy Gross 2014-3-20 6270 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA432773  Hibiscus denudatus M. B. Dunkle 1935-4-17 4548 Riverside East of Wiley Well, Colorado Desert. Comment
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Dec 14 2011
  UCR241550  Hibiscus denudatus A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40636 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  CAS-BOT-BC312331  Hieracium albiflorum J. Ewan 1930-8-31 2131 Riverside North fork Tahquitz Creek, San Jacinto Mts. 2499 Comment
  POM12913  Hieracium horridum P. A. Munz 1922-6-28 5887 Riverside Toro Peak; Santa Rosa Mts. 2439 Comment
  JOTR33120  Hilaria rigida La Doux, Tasha, Mike Bell 2003-10-17 1605 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wall Street Mill parking area to Wonderland Wash 1304 Comment
  CAS-BOT-BC207513  Hoffmannseggia glauca Roxana S. Ferris 1918-6-19 1011 Riverside Blythe, Palo Verde Valley Comment
  CAS-BOT-BC206101  Hoffmannseggia microphylla John Thomas Howell 1928-3-25 3543 Riverside Rocky walls of Painted Canyon [Canon], Colorado Desert Comment
  CAS-BOT-BC206376  Hoffmannseggia microphylla Alice Eastwood 1913-4-30 3072 Riverside Palm Springs Comment
  CAS-BOT-BC207555  Hoffmannseggia microphylla Mrs. John C. Augsbury 1930-2-1 s.n. Riverside Indio Comment
  LA45807  Hoffmannseggia microphylla Nesta Dunn; A. M. Martin 1932-3-7 sn Riverside Oasis Comment
  PASA1048  Hoffmannseggia microphylla 1930-3-30 Riverside Painted Canyon Comment
  RSA674575  Hoffmannseggia microphylla Scott D. White, Brian Leatherman 2000-10-5 8135 Riverside Near Berdoo canyon: Northeast of Dillon Rd., just S of mouth of Berdoo Canyon. On the S-facing bajada of the Little San Bernardino Mts. 183 Comment
  SD174895  Hoffmannseggia microphylla Mark A. Elvin 2005-4-26 4229 Riverside Northern Sonoran Desert: Coachella Valley/Indio Hills; N of I-10. 198 Comment
  SD186088  Holocarpha virgata subsp. elongata A. C. Sanders, Mike Misenhelter 2004-10-6 28826 Riverside Hill 2139 at west end of the Mesa De Colorado, private land on the west side of Vioa Volcano adjacent to the Santa Rosa Plateau Ecol. Reserve. 640 Comment
  UCR133950  Holocarpha virgata subsp. elongata John F. Green 2003-8-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, south side of Wendy Lane off Calle De Suenos, south of Avenida La Cresta and Avenida Castilla 701 Comment
  UCR116654  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-5-10 24248 Riverside Perris-Aguanga Basin, San Jacinto River Valley, south side of intersection of Sanderson Ave. and Ramona Blvd., c. 4 mi. NW of San Jacinto 445 Comment
  RSA608532  Hordeum intercedens D. E. Bramlet 1996-4-11 2449 Riverside San Jacinto Wildlife Area, approx. 762 m NE of Lakeview. The site is found 122 m E of Davis Road and 40 m N of marvin Road., 37 44 856mN X 4 88 940mE 434 Comment
  UCR267167  Hordeum intercedens D. E. Bramlet 2001-5-8 3137 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of Davis Rd. at the San Jacinto River 434 Comment
  UCR280612  Hordeum intercedens Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-11 417- 17 Riverside Elsinore Trough, South corner of Baker St. and Bromley Ave. 384 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
  SDSU17483  Hordeum murinum subsp. leporinum Jerry Jenkins 2001-3-30 2001 -003 Riverside Santa Margarita Ecological Reserve. Edge of driveway. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  RSA0013706  Hornungia procumbens LeRoy Gross, Grace Cho 2013-4-9 6002 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
  SD42469  Hosackia crassifolia var. crassifolia Carl B. Wolf 1940-7-2 9719 Riverside East side of santa Ana Mountains, Indian Canyon truck trail, Ao mile below main divide, dry open slopes 1219 Comment
  POM48854  Hulsea vestita subsp. callicarpha P. A. Munz 1924-5-18 8139 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA0014934  Hulsea vestita subsp. callicarpha LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6149 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  RSA171393  Hulsea vestita subsp. callicarpha J. Olmstead 1962-5-3 3494 Riverside 30 deg SW slope; where Thomas Mt. road turns E along SW flank of N peak, 1767 Comment
  UC219234  Hydrocotyle umbellata P. A. Munz and I. M. Johnston 1922-5-7 5283 Riverside Little San Bernardino Mts., Covington Ranch 762 Comment
  RSA650958  Hymenoclea salsola Marion P. Harthill 1973-2-17 1564 Riverside W. Palm Springs. 366 Comment
  POM7691  Hymenoxys odorata P. A. Munz, R. D. Harwood 1920-4-2 3579 Riverside Colorado Desert, near Blythe. 152 Comment
  RSA343866  Hypochaeris glabra R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60658 Riverside Santa Rosa Plateau: at edge of Cleveland National forest 610 Comment
  CAS-BOT-BC219768  Hyptis emoryi R. Freeman 1977-3-9 2172 Riverside S-O & Q-O South side of Chuckwalla Mnts. Comment
  CAS-BOT-BC219776  Hyptis emoryi James Henrickson 1963-3-29 1211 (1111?) Riverside 12 miles east of Mecca 304 Comment
  CHSC83689  Hyptis emoryi John Dittes 2002-1-4 2 -46 Riverside Mojave Desert; Little San Bernardino Mountains; ca. 6.5 air-miles north of Indio. In wash on bajada of West Berdoo Canyon, northwest of Berdoo Canyon 4WD trail. 243 Comment
  RSA420155  Hyptis emoryi Ora M. Clark 1929-3-17 1727 Riverside Palm Springs. Comment
  RSA420164  Hyptis emoryi Christopher Davidson 1979-4-4 7686 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  RSA615340  Hyptis emoryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2699 Riverside Sonoran (Colorado) Desert Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  SEINET13948495 Image available Hyptis emoryi N. Dunn, A. M. Martin 1932-1 Riverside Box Canon Comment
  UCD133421  Isocoma acradenia F. R. Lawson 1929-12-12 s.n. Riverside Mecca. Comment
  CDA8022  Isocoma acradenia var. eremophila G. D. Barbe 1973-10-19 1734 Riverside Coachella Water District Canal, west end of Airport Road, north of Lake Cahiuilla County Park, west of Thermal. 0 Comment
  UCR239245  Isocoma acradenia var. eremophila Thomas R. Stoughton, J. McConnaughy, A. Monks 2010-12-1 721 Riverside Sonoran (Colorado) Desert, Coachella Valley Preserve, c. 0.25 mile east of road. Site #3 305 Comment
  UCR238739  Isocoma menziesii A. C. Sanders, John F. Green 2012-6-25 40306 Riverside Peninsular Range; Santa Ana Mtns. Region, small canyon east of Horsethief Canyon Rd., below end of Kicking Horse Dr. & Caravan Circle 389 Comment
  UC55181  Isocoma menziesii var. vernonioides E. A. Zumbro 1902-10-1 257 Riverside Comment
  CLARK-A1528-2394  Isomeris arborea var. angustata John C. Roos 1967-3-25 Riverside Whitewater Canyon 457 Comment
  SD234314  Iva axillaris A. C. Sanders 2006-5-11 32264 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr. NE of Alberhill Crk., NW of Enterprise Way. 388 Comment
  POM13836  Iva axillaris subsp. robustior P. A. Munz 1922-7-3 5946 Riverside Vandeventer Flat. 1372 Comment
  RSA26279  Ivesia saxosa Reid V. Moran 1941-5-5 846 Riverside East of Quail Spring[s], Joshua Tree National Monument 1300 Comment
  RSA0011156  Juglans A. C. Sanders, T. B. Salvato 2003-5-21 26783 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
  RSA0011198  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37141 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  UCR172243  Juglans californica John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; NE side of the Hogbacks. SE of Los Alamos Road, area bordered by Mason Avenue, Callahan Road and Shannon Lane 488 Comment
  UCR189786  Juglans californica var. californica Theresa Johnson 2007-10-24 404 Riverside Peninsular Ranges, Perris-Aguanga basin, Badlands, just north of Highland Blvd Comment
  UCR202056  Juncus bufonius Karin Cleary-Rose 1998-3-6 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Palmieri property, 25 acre parcel in western Hemet, south of Hwy 74, west of Warren Rd, directly east of the San Diego Aqueduct and c. 500 ft. east of Salt Creek, north of Stetson Ave. 527 Comment
  SBBG102832  Juncus dubius R. Montijo 1991-7-10 91 -20 Riverside Avenida Escalera, N of Tenaja Rd & ca. 1 mi NE of Squaw Mtn; Santa Rosa Plateau 609 Comment
  GMDRC6564  Juncus macrophyllus J. M. Andre 2012-6-15 30519 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  RSA515314  Juncus macrophyllus Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, NE of Mesa de Burro, creek below Guava-De Luz Road, approximately 1.5 miles SW of intersection with Hayes Avenue. 610 Comment
  SEINET1908445  Juncus rugulosus A. C. Sanders, Mitch Provance 2008-1 35777 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
  UC1931232  Juncus rugulosus Scott D. White, Justin Wood 2008-7-10 12452 Riverside San Jacinto Mountains: Fobes Spring (Palm View Peak) Comment
  UCR23213  Juncus rugulosus S. Gallagher 1981-6-1 32 Riverside Box Springs Mtns., Box Springs Road 1.8 mi south of intersection w/ Pigeon Pass Road. Site on the SE corner of intersection of Box Springs Road & a dirt side road leading to W slope of the mtns. 747 Comment
  POM158188  Juncus torreyi Phillip A. Munz, I. M. Johnston 1928-9-6 11273 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA593992  Juncus xiphioides Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 948 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  UCR116009  Juncus xiphioides A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23302 Riverside Shipley-Skinner Reserve, Tucalota Creek at horse trail crossing east of Lake Skinner 457 Comment
  UCR19748  Juncus xiphioides H. A. Zuill 1966-6-27 250 Riverside Santa Ana Mtns., Santa Rosa Plateau, Fisherman's Camp in Tenaja Canyon c. 13 mi SW of Murrieta Comment
  CAS-BOT-BC85414  Juniperus californica Ivan Johnston 1917-4-4 1104 Riverside Palm Canyon 762 Comment
  RSA25246  Juniperus californica C. L. Hitchcock 1940-4-3 5933 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  UC813451  Juniperus californica I. W. Clokey 1935-4-17 6507 Riverside Cottonwood Springs Comment
  JEPS9201  Justicia californica Marjorie D. Clary May, 1930 9 a Riverside Deep Canyon s. Colorado Desert, Santa Rosa Mts., Deep Canyon 152 Comment
  JEPS9350  Justicia californica Mary Beal 1941-4-6 862 Riverside Box Canyon Colorado Desert, Mecca Hills, Coachella Valley, Box Canyon Comment
  LA202781  Justicia californica Carl Epling; March 1927 sn Riverside Tahquitz Creek near Palm Springs Comment
  UCR226997  Justicia californica Jim Andre 2011-2-2 16217 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCR25774  Justicia californica John C. Roos 1937-4-28 795 Riverside Sonoran (Colorado) Desert, 30 miles west of Desert Center [Shavers Valley] Comment
  POM9329  Justicia californica Mary F. Spencer 1920-3-13 179 Riverside Painted Canyon near Mecca. Comment
  RSA0103624  Kallstroemia parviflora Duncan S. Bell 2015-9-30 8650 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  POM229522  Keckiella antirrhinoides Philip A. Munz 1937-5-29 15149 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  POM305667  Keckiella antirrhinoides Henry J. Ramsey, Henry J. Ramsey 1939-4-22 999 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA509539  Keckiella antirrhinoides Ed LaRue 1989-4-12 s.n. Riverside Midway between Mead Valley and March Air Force Base. 518 Comment
  UCR201952  Keckiella antirrhinoides Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  CAS-BOT-BC236728  Keckiella antirrhinoides subsp. microphylla Philip A. Munz 1937-5-29 15149 Riverside Deep Canyon, north slope of Santa Rosa Mts. 1066 Comment
  POM11319  Keckiella antirrhinoides subsp. microphylla Philip A. Munz 1922-7-1 5930 Riverside Santa Rosa Mountains, Old Nicholas Canyon. 1463 Comment
  RSA401751A  Keckiella antirrhinoides subsp. microphylla W. M. Zabriskie 1974-3-26 160 Riverside 300 ft. below Eagle Pk., Andreas Canyon area, east slope San Jacinto Mtns. 762 Comment
  NY786519  Keckiella antirrhinoides var. antirrhinoides I. W. Clokey 1936-4-16 6885 Riverside Along San Jacinto River, East of Hemet 600 Comment
  JOTR34044  Keckiella antirrhinoides var. microphylla La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2945 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  RSA335014  Keckiella cordifolia Steve D. Boyd 1985-7-23 1022 Riverside Deluz Road, 8.5 miles west of Rancho California, along Sandia Creek. 274 Comment
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Jun 8 2012
  GMDRC6555  Keckiella ternata var. ternata J. M. Andre 2012-6-15 30508 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  RSA0014927  Koeleria macrantha LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6150 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  UC1931227  Koeleria macrantha Scott D. White, Justin Wood 2008-6-19 12271 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. (Idyllwild) Comment
  CAS-BOT-BC61436  Krameria bicolor Annie M. Alexander; Louise Kellogg 1941-5-14 2166 Riverside Near Shaver Summit 502 Comment
  SBBG25153  Krameria bicolor Leota Davidson 1965-5-14 112 Riverside Joshua Tree Nat Monument Comment
  RSA303861  Krameria erecta Jim R. Shevock 1971-5-8 1037 Riverside White Tank, Joshua Tree National Monument. 1174 Comment
  CLARK-A1703-1201  Krameria grayi Charlotte Stocks 1962-5-21 Riverside San Jacinto Mountains Comment
  UCR232516  Krameria grayi Dave Silverman 2010-3-30 7882 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 800 m west of Black Creek Rd, 4.5 km north of I-10, and 8 km east of McCoy Peak 155 Comment
  SD137869  Lactuca serriola Darin L. Banks, Steve Boyd 1995-10-17 794 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; along lower Arroyo Seco, south of the Dripping Springs Campground. 530 Comment
  UCR117333  Lactuca serriola Mitch Provance 1998-6-11 664 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  RSA573433  Lagophylla ramosissima Steve Boyd, Tim Ross 1994-9-14 8342 Riverside Southern Santa Ana Mtns, San Mateo Canyon wilderness area of Cleveland National Forest, Southwestern edge of the Oak flat area, 0.5 miles S of Serrano Spring. 732 Comment
  CAS-BOT-BC272429  Lamarckia aurea Steve Boyd 1986-4-2 1636 Riverside Harford Springs County Park, Gavilan Plteau, Gavilan Hills 640 Comment
  RSA698328  Langloisia schottii J. R. Bruff 1932-3-22 s.n. Riverside Between Garnet and Edom Comment
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Nov 3 2011
  JOTR28941  Larrea tridentata La Doux, Tasha 2005-3-30 1177 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA390005  Larrea tridentata Albert J. Perkins 1916-4-16 s.n. Riverside Desert near Palm Springs. Comment
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Aug 27 2011
  RSA390028  Larrea tridentata Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea. Comment
  RSA682850  Larrea tridentata Scott D. White 2003-3-23 8843 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  UCR163926  Larrea tridentata A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29134 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  RSA559323  Lastarriaea coriacea Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7364 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
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Mar 24 2013
  RSA586296  Lastarriaea coriacea D. L. Banks, S. D. Boyd 1995-5-3 206 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
  POM361517  Lasthenia californica E. Crow 1929-4-7 310 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  SD152928  Lasthenia californica Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-25 6680 Riverside Santa Ana Mountains, along San Mateo Trail from junction 7S04 and 7S01. 395 Comment
  RSA743825  Lasthenia coronaria Sarah J. De Groot, J. Mark Porter 2005-3-9 4772 Riverside Whitewater Canyon, several miles north of I-10. 591 Comment
  UCR102832  Lasthenia coronaria A. C. Sanders 1997-4-3 20148 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  RSA512127  Lasthenia gracilis Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
  RSA524596  Lasthenia gracilis Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3911 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  UCR100043  Lasthenia gracilis Scott D. White 1994-4-23 2051 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
  SD143907  Lathyrus vestitus Scott D. White 1994-4-23 Riverside Millard canyon, ca. 8 airmiles north of Cabazon, USFS Road 2S05.2, ca. 0.3 miles south of junction 2S05.2 & 2S05B, ca. 1.7 miles south of deer Spring & 1 mile SW of Bear Wallow Spring; USGS San Gorgonio Mountain 7.5' quad. 1310 Comment
  RSA524236  Lathyrus vestitus var. alefeldii Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3996 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA614302  Layia platyglossa D. L. Banks, Victor Steinmann 1997-3-13 1506 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR214905  Layia platyglossa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37679 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR34928  Layia platyglossa L. B. Ziegler 1969-5-10 361 Riverside Peninsular Range; San Jacinto Mtns., Hemet Valley 1402 Comment
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Jan 8 2013
  UCR76163  Layia platyglossa A. C. Sanders 1993-4-1 13662 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  POM4843  Layia platyglossa subsp. campestris H. M. Hall 1902-04 2758 Riverside Vicinity of Winchester 427 Comment
  RSA212921  Layia platyglossa subsp. platyglossa L. B. Ziegler 1969-5-15 s.n. Riverside Hemet Valley, south of Kenworthy Ranger Station. 1372 Comment
  SD140222  Leersia oryzoides A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11740 Riverside Riverside, Fairmont Park. Along Spring Brook between Lake Evans and Santa Ana River, circa 50-100 meters below the lake. Comment
  UCR95225  Lemna valdiviana D. L. Banks, E. H. Banks 1996-5-2 945 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  UCR27712  Lepechinia cardiophylla A. C. Sanders, Jan West 1982-11-6 3269 Riverside Santa Ana Mtns, Indian Truck Trail, 2 mi due east of Santiago Peak, just below its junction with the Main Divide Truck Trail 1220 Comment
  UCR49239  Lepidium dictyotum var. dictyotum Steve Boyd 1986-4-2 1623 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR265598  Lepidium didymum Jordan Zylstra 2014-3-18 14012 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  SEINET9119074  Lepidium fremontii D. Myrick 1965-1 1072 Riverside Joshua Tree National Monument near White Tank Public Camp. 762 Comment
  RSA543154  Lepidium lasiocarpum Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6104 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
  RSA676157  Lepidium lasiocarpum Scott D. White 2001-4-3 8257 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  RSA678339  Lepidium lasiocarpum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10476 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  SFV6306  Lepidium lasiocarpum T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 45 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Sandy wash. Comment
  CAS-BOT-BC89666  Lepidium lasiocarpum subsp. lasiocarpum John Thomas Howell 1928-3-11 3417 Riverside North Colorado Desert. Morongo Canyon. 609 Comment
  SEINET3523568 Image available Lepidium nitidum A. R. Gillogly 1966-3-19 Riverside 19 miles east of Indio on Highway 60. Comment
  UCR91891  Lepidium pinnatifidum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18053 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  RSA586148  Lepidium strictum D. L. Banks, S. D. Boyd 1995-3-16 110 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 616 Comment
  CLARK-A1528-2330  Lepidium virginicum John C. Roos 1952-4-8 5475 Riverside Riverside 259 Comment
  SBBG34199  Lepidium virginicum T. L. Secrest 1951-5-20 Riverside Idyllwild 1524 Comment
  RSA543138  Lepidium virginicum var. robinsonii Steve Boyd 1991-3-17 5507 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
  UCR112557  Lepidium virginicum var. robinsonii A. C. Sanders 1998-3-17 21745 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  UCR98858  Lepidium virginicum var. robinsonii A. C. Sanders, G. Helmkamp 1997-3-15 19997 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  CAS-BOT-BC329439  Lepidospartum squamatum John Thomas Howell 1927-8-1 2905 Riverside Lower part of Morongo Canon, N Colorado Desert 609 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
  UCD64015  Leptochloa fusca subsp. uninervia Collector Unknown 1948-9-1 Riverside Riverside County. Comment
  UCR2518  Leptochloa uninervia F. M. Reed 1926-5-15 5342 Riverside Peninsular Range; Perris/Aguanga Basin Region, Menifee Valley, west of Menifee schoolhouse [which was at corner of corner of Newport and Bradley Roads] 457 Comment
  SFV7333  Leptosyne californica T. Gordon, K. Kimbrough 1975-3-16 850 Riverside 10 miles south of Corona. Open fields adjacent to Highway 71. 365 Comment
  UCSB9519  Leptosyne douglasii Wedberg, H. 1957-3-22 Riverside State Hwy. 71, Alberhill Comment
  RSA520551  Lessingia glandulifera var. glandulifera Steve Boyd, D. Bramlet 1988-10-8 2884 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA692225  Lessingia glandulifera var. glandulifera Scott D. White 2003-10-9 9822 Riverside Pine Cove area. Dutch Flat. 1753 Comment
  RSA544406  Leymus triticoides Steve Boyd, Timothy S. Ross 1991-6-14 6374 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  POM211567  Lilaea scilloides Philip A. Munz 1941-5-18 16663 Riverside North end of Santa Rosa Ranch, Elsinore Mountains 915 Comment
  HSC78994  Lilium parryi K. Berg 1980-7-29 244 Riverside San Jacinto Mtns., James Reserve, Hall Canyon, along Indian Creek 1646 Comment
  RSA247368  Lilium parryi Gary D. Wallace, D. Wilken 1966-7-3 653 Riverside San Jacinto Mountains near Idyllwild in the vicinty of Strawberry Meadows. near the main highway no. 243. Comment
  UC1035029  Lilium parryi Albert M. Vollmer Jul 1 1950-Jul 7 1950 Riverside Stony Creek; San Jacinto Mountains Comment
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Mar 10 2013
  UCR193304  Limosella acaulis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35600 A Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  CAS-BOT-BC225696  Linanthus californicus Hayes 1975-5-7 2360 Riverside Hiway 243 ~ 12 m. N James Reserve Comment
  SD140026  Linanthus californicus Scott White 1993-3-15 1189 Riverside Elsinore; Highway 74, just west of northwest corner of Lake Elsinore. Comment
  UC455667  Linanthus ciliatus I. J. Condit 1910-6-24 Riverside Strawberry Valley San Jacinto Mts. 914 Comment
  HSC85324  Linanthus dianthiflorus Steve Boyd 1986-4-2 1632 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA689560  Linanthus dianthiflorus Scott D. White, Michael Honer 2003-4-25 9106 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCR137698  Linanthus dianthiflorus D. L. Banks, V. W. Steinmann 1997-3-13 1512 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  RSA776290  Linanthus jonesii Duncan S. Bell, Amanda Turek 2010-4-10 834 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  UCR102951  Linanthus jonesii George K. Helmkamp 1998-4-4 3172 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
  RSA741068  Linanthus lemmonii Scott D. White, Justin M. Wood 2008-6-5 12076 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCR193408  Linanthus liniflorus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35577 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1570 Comment
  UCR171972  Linaria canadensis John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  RSA613447  Linaria canadensis var. texana D. L. Banks, Victor W. Steinmann 1997-3-13 1445 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
  CLARK-A1528-602  Linum lewisii Bruce Freeman 1969-6-14 690614-1 Riverside San Jacinto Mountains 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
  JOTR16803  Loeseliastrum schottii Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  UC23827  Loeseliastrum schottii S. B. Parish Apr 4 1896-Apr 13 1896 4127 Riverside Palm Springs (Agua Caliente) desert base San Jacinto Mts., Palm Springs (Agua Caliente) 152 Comment
  UC809714  Loeseliastrum schottii E. K. Balls 1949-4-4 12963 Riverside between Durmid and Salton (on Hwy. 111); Colorado Desert Comment
  UCSB5126  Loeseliastrum schottii Kamb, Peter 1948-4-11 Riverside Aqueduct Road; 5 mi east of Garnet, Coachella Valley 304 Comment
  RSA0121170  Logfia arizonica Duncan S. Bell, LeRoy Gross 2016-3-30 9180 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  SEINET200238 Image available Logfia arizonica Herbert L. Mason 1952-1 14208 Riverside Palm Canyon near Palm Springs Comment
  CAS-BOT-BC342254  Logfia filaginoides Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4044 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  JOTR35133  Logfia filaginoides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3245 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; narrow wash with large granitic boulders throughout corridor (Stop 2) 1302 Comment
  UCR97722  Lomatium dasycarpum Scott D. White 1997-2-9 4678 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  UCR768  Lomatium utriculatum Robert A. Hawthorne 1957-3-27 s.n. Riverside San Bernardino Valley Region, Riverside, Citrus Experiment Station [now UCR], dry wash behind horse barn 275 Comment
  SEINET10883989  Lonicera interrupta Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-15 Scott 128 Riverside San Bernardino National Forest. 9.4 mi. S on 243 (Palms to Pines National Scenic Byway) from US 10. 1298 Comment
  UC1125262  Lonicera interrupta R. St. John 1929-3-8 11 Riverside Potrero Canyon San Jacinto Quadrangle 762 Comment
  CHSC8089  Lonicera subspicata var. denudata Edward L. Smith 1958-3-6 350 Riverside Plant located in Coldwater Canyon, Glen Ivy, Calif. On Temescal Canyon Rd. 762 Comment
  JEPS24961  Lonicera subspicata var. denudata H. M. Hall July 1901 2529 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  JEPS44386  Lotus argyraeus Lauramay T. Dempster 1966-6-19 4266 Riverside second saddle n of Toro Peak; Santa Rosa Mountains Comment
  PASA1079  Lotus davidsonii Frank W. Peirson 1924-7-27 Riverside Dark Canyon, San Jacinto Mts. 2224 Comment
  PASA1086  Lotus grandiflorus Frank W. Peirson 1924-7-27 Riverside Dark Canyon, San Jacinto Mts. 1706 Comment
  RSA90292  Lotus grandiflorus F. W. Peirson 1924-7-27 4981 Riverside Dark Canyon, San Jacinto Mountains 1707 Comment
  JEPS55436  Lotus grandiflorus var. grandiflorus W. L. Jepson 1903-8-8 2293 Riverside Strawberry Valley San Jacinto Mt. 1828 Comment
  UCR116708  Lotus hamatus A. C. Sanders, Steven R. Hill 2001-5-4 24147 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR92162  Lotus hamatus D. L. Banks, Peter L. Morrell 1995-5-4 315 Riverside Agua Tibia Mtns., Cleveland National Forest, north of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground at base of hills north of Wildhorse Peak. 537 Comment
  RSA192338  Lotus heermannii E. W. Lathrop 1966-3-20 6066 Riverside 10 miles west of Murrieta on the Tenaja Truck Trail between DeLuz and Tenaja Guard Station, Trabuco District. Comment
  UCR250912  Lotus humistratus A. C. Sanders 2014-4-18 41029 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, SE of Lee (Corona) Lake 375 Comment
  POM12088  Lotus nevadensis var. nevadensis Mary F. Spencer 1921-6-2 89 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  RSA406218  Lotus oblongifolius M. B. Dunkle 1933-7-20 3712 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR178199  Lotus purshianus Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 649 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR281011  Lotus purshianus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 20 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  JEPS55820  Lotus rigidus L. M. Newlon 1922-4-4 460 Riverside Palm Canyon San Jacinto Mts. Comment
  SEINET2042331 Image available Lotus rigidus George K. Helmkamp, E. A. Helmkamp 1998-4-23 3376 Riverside Santa Rosa Mountains; Pinyon Pines along CA-74 between the San Jacinto and Santa Rosa Mountains. 1296 Comment
  RSA613639  Lotus salsuginosus D. L. Banks, Victor W. Steinmann 1997-3-13 1480 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  POM320471  Lotus salsuginosus var. salsuginosus Greg Wright 1971-4-17 12 Riverside Corona Skyline Drive, southwest of Corona, Cleveland National Forest. 366 Comment
  SEINET10970186  Lotus scoparius David B. Dunn 1948-1-25 Dunn 3645 Riverside Found in ravine ne of the top of the grade e of riverside, about 5 mi out. Comment
  RSA28071  Lotus scoparius var. brevialatus I. L. Wiggins 1941-3-27 9699 Riverside 4 mi. north of Whitewater. Comment
  UCR200325  Lotus scoparius var. brevialatus Steve Boyd 2007-4-20 11725 Riverside Peninsular Ranges: Perris-Aguanga Basin, southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of 'Walsh Canyon,' c. 0.5 mi from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia adzedarach and across from driveway leading to 26875 Walsh Road 549 Comment
  POM9364  Lotus scoparius var. brevialatus Mary F. Spencer 1920-4-2 262 Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA406896  Lotus scoparius var. brevialatus N. C. Cooper 1947-4-5 2117 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA263766  Lotus strigosus E. W. Lathrop 1968-6-2 6947 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA543744  Lotus strigosus Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6048 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  SEINET7063237  Lotus strigosus A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 887 Comment
  UCR107713  Lotus strigosus A. C. Sanders 1997-3-1 19748 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  RSA708492  Lotus strigosus var. tomentellus Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10888 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  UCR245962  Lotus strigosus var. tomentellus Duncan S. Bell 2009-3-8 78 Riverside Arica Mountains, NW side of range, c. 3.2 air miles NW of Priest Well, or c. 6.5 air miles SW of ghost town of Rice 513 Comment
  RSA703816  Lotus tomentellus LeRoy Gross 2005-3-3 1591 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR92489  Lotus tomentellus George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, 5.6 mi NE of Desert Center on Rice Rd. 152 Comment
  CLARK-A1528-6667  Ludwigia peploides Ken F. Clarke 1971-9-7 Riverside Santa Ana River Comment
  RSA90137  Ludwigia peploides subsp. peploides E. K. Balls, George B. Everett 1953-8-19 18528 Riverside Lake Fulmore, on road from Banning to Idyllwild. 1625 Comment
  UCR51134  Lupinus Jack Easton 1988-5-2 s.n. Riverside Peninsular Range, Anza area 1189 Comment
  RSA590647  Lupinus agardhianus E. W. Lathrop 1960-5-6 4788 Riverside 10 miles west of Murrieta. Comment
  RSA581752  Lupinus arizonicus Michael Wall, Lorrae Fuentes 1995-4-13 101 Riverside Coachella Valley, east of Desert Hot Springs along dirt road paralleling Dillon road, 16.7 miles east of Hwy 62 where hills are closest to the road. Comment
  RSA800196  Lupinus arizonicus Robert F. Thorne 1963-3-29 32404 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  UCR1530  Lupinus arizonicus W. R. Moberly 1962-3-25 620325- 01 Riverside Western Colorado Desert, Coachella Valley, 5 mi north of 1000 Palms, along old Hwy 99 305 Comment
  UCSB42384  Lupinus arizonicus Corsino, Linda 1980-3-24 Riverside Near intersection of Interstate 10 and South entrance to Joshua Tree National Monument 289 Comment
  RSA660639  Lupinus bicolor Lydia Paneri 1982-4-17 2 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  SD137773  Lupinus bicolor Darin L. Banks, Steve Boyd 1995-5-3 282 Riverside Agua Tibia Wilderness Area, east of the Dripping Springs Alcove Area. 512 Comment
  UC495199  Lupinus bicolor Philip A. Munz 1932-3-24 12017 Riverside Corona 365 Comment
  UCR174548  Lupinus bicolor Jennifer H. Jones 2006-6-6 400 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  CLARK-A1045-207  Lupinus bicolor subsp. marginatus George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  RSA562462  Lupinus bicolor subsp. marginatus Steve Boyd, T. S. Ross 1992-5-5 7229 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  RSA359881  Lupinus bicolor subsp. microphyllus Steve D. Boyd 1986-4-2 1599 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR16230  Lupinus concinnus A. C. Sanders 1973-4-28 00347 Riverside Peninsular Range; San Jacinto Mtns., east of Garner Valley, along switchbacks in trail from Morris Ranch Road to Cedar Springs 2012 Comment
  UCR87659  Lupinus concinnus A. C. Sanders 1994-5-29 14565 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  RSA607356  Lupinus concinnus subsp. concinnus R. S. Woglum 1941-5-17 3043 Riverside Peninsular Ranges/Sonoran Desert transition: Alder Canyon off Coyote Canyon. Comment
  RSA34569  Lupinus concinnus subsp. optatus N. C. Cooper 1944-6-17 1434 Riverside San Jacinto Mtns. West side. 1372 Comment
  RSA673506  Lupinus concinnus subsp. optatus Scott D. White, Bill La Haye 2000-5-27 7936 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SEINET10485242  Lupinus densiflorus var. lacteus Woglum 1938-5-1 WOGLUM 1603 Riverside Between hemet and aguanga. Comment
  RSA87193  Lupinus excubitus var. austromontanus F. W. Peirson 1938-5-30 12411 Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  RSA91199  Lupinus excubitus var. hallii F. W. Peirson 1922-5-18 3063 Riverside Temescal Canyon, western Riverside County 274 Comment
  POM11373  Lupinus hyacinthinus Philip A. Munz 1922-9-7 6410 Riverside Tamarack Valley 3049 Comment
  RSA699933  Lupinus hyacinthinus Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto mountains, near Hemet Lake Comment
  UCR26957  Lupinus latifolius E. W. Lathrop 1966-5-29 6394 Riverside Peninsular Range; Santa Ana Mtns, Cleveland National Forest: Bear Springs on the Main Divide Truck Trail, 1 mi east of Santiago Peak 1209 Comment
  RSA653253  Lupinus latifolius subsp. parishii Mitch Provance 2000-5-5 2011 Riverside Riverside: Box Springs Mtns., canyon ca. 0.5 mi. NE of peak 2553 and ca. 0.5 mi SW of the old landfill off Pigeon Pass Rd. 427 Comment
  SEINET10489271  Lupinus latifolius subsp. parishii Mcleod 1971-6-22 MCLEOD 469 Riverside Ponderosa habitat. Comment
  UCR35025  Lupinus latifolius var. parishii L. B. Ziegler 1972-6-27 485 A Riverside San Jacinto Mtns, Hemet (Garner) Valley tributary, Apple Canyon 1433 Comment
  RSA413767  Lupinus longifolius M. V. Hood 1945-3-25 s.n. Riverside Aguanga. 610 Comment
  RSA674618  Lupinus longifolius Scott D. White, Sandy Leatherman 2000-5-31 7980 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  CLARK-A1528-503  Lupinus sparsiflorus Charlotte Stocks 1962-6-23 Riverside Whitewater Canyon Comment
  UC710889  Lupinus sparsiflorus C. L. Hitchcock 1940-3-29 5852 Riverside Sandy wash Cottonwood Springs (Cottonwood Springs) Comment
  UCR237699  Lupinus sparsiflorus Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4525 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  RSA49351  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1949-4-11 13015 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  RSA543760  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6060 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
  CSUSB1635  Lupinus succulentus Rita Gibbons 1975-4-12 Riverside 3.5 miles north of highway 60 and Heacock in Sunnymead. Comment
  RSA522732  Lupinus succulentus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3837 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
  SBBG47524  Lupinus succulentus M. B. Dunkle 1934-3-18 3863 Riverside Moreno 487 Comment
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Nov 30 2016
  SD244161  Lupinus succulentus T. B. Salvato, Mike Landers 2013-3-21 7384 A Riverside Perris-Aguanga Basin: Murrieta, between Hwy 215 and State Route 79 (Winchester Road), .23 mile east of the intersection of Keller Road and Menifee Road (Romoland 7.5'Q) 466 Comment
  RSA586734  Lupinus truncatus D. L. Banks, S. D. Boyd 1995-5-17 0457 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  RSA771625  Lupinus truncatus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4999 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 732 Comment
  SDSU12245  Lupinus truncatus Lara Tikkanen, Taxonomy of California Plants class, M. G. Simpson, instructor 2000-4-1 3 Riverside Comment
  UCR87979  Lupinus truncatus G. P. Schultz 1994-3-13 s.n. Riverside Box Springs Mountains, slope above Big Springs Canyon. Comment
  POM14115  Luzula comosa Phillip A. Munz 1922-5-19 5396 Riverside Keen Camp, San Jacinto Mountains. 1463 Comment
  CAS-BOT-BC231414  Lycium andersonii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9552 Riverside Cottonwood Springs Canyon Comment
  POM251786  Lycium andersonii J. C. Roos 1938-4-27 19 Riverside Hill west of Arlington. Comment
  RSA554024  Lycium andersonii A. C. Sanders, E. J. Lawlor 1992-4-4 12115 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCR115923  Lycium andersonii Mitch Provance 1998-4-24 1116 Riverside Riverside, c. 1 mile SW of the corner of Trafalgar Ave. and Alessandro Blvd. 366 Comment
  UCR242302  Lycium andersonii A. C. Sanders, T. B. Salvato 2012-10-12 40428 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  UCR281232  Lycium andersonii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 50 Riverside Temescal Valley, Southern foot of the Gavilan Hills, vicinity of Black Powder Rd., slopes adjacent to N side of the horse track 393 Comment
  CLARK-A1528-4348  Lycium brevipes John C. Roos 1949-3-19 4105 Riverside Dos Palmas Spring Comment
  SD185317  Lycium brevipes John F. Green 2005-2-2 Riverside Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, ca. 3 miles east of Desert Beach 24 Comment
  POM153406  Lythrum californicum P. A. Munz, I. M. Johnston 1928-9-12 11305 Riverside SE end of Elsinore Lake Comment
  RSA735193  Lythrum californicum Scott D. White, Angelia Carey 2004-6-4 10459 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence w/ San Jacinto River. Former homestead area with persisting pond (cattle pond?) & adj. wetlands and seep. 579 Comment
  RSA388409  Lythrum hyssopifolia Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61171 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 534 Comment
  SEINET269471  Lythrum hyssopifolia Scott D. White, Steve Ogg 1994-10-17 2473 Riverside Temecula Murrieta Creek 1000 ft. west of Winchester Rd. bridge. 310 Comment
  UCR182358  Lythrum hyssopifolia Mitch Provance 2005-5-17 6592 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  SEINET10809133  Machaeranthera David B. Dunn, Howard Brown 1947-1-12 Dunn 2836 Riverside Pushawala Canyon, Indio Hills. Along alkali banks. Comment
  RSA69830  Machaeranthera asteroides J. C. Roos 1951-10-19 5330 Riverside Gilman Hot Springs 459 Comment
  RSA713872  Machaeranthera asteroides var. asteroides Michael Wall 2006-6-6 416 Riverside East Hemet, Cedar Avenue at Mountain Ave. 512 Comment
  UCR58304  Machaeranthera canescens subsp. canescens 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
  RSA0107901  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell, Thomas Stoughton 2010-3-19 575 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.3 air miles west of Priest Well. 428 Comment
  RSA781414  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2011-10-22 2994 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
  RSA585728  Madia exigua D. L. Banks, S. D. Boyd 1995-5-9 0392 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 701 Comment
  RSA263670  Madia gracilis E. W. Lathrop 1968-5-26 6935 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  CAS-BOT-BC206267  Malacothamnus fasciculatus Peter H. Raven; Sidney R. Snow 1956-6-30 9526 Riverside Flats 2.5 miles from Alberthill Road to Elsinore Comment
  CAS-BOT-BC345426  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  UCR279364  Malacothrix coulteri A. C. Sanders, Jim Malusa 2017-3-24 42980 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, upper end of canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 736 Comment
  CAS-BOT-BC347687  Malacothrix glabrata Javier Penalosa 1963-4-10 2776 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  CAS-BOT-BC347693  Malacothrix glabrata H. M. Hall 1905-5-1 6028 Riverside Colorado Desert. Near Pinto Mts. Comment
  POM14093  Malacothrix glabrata P. A. Munz, D. D. Keck 1922-4-14 4984 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  POM362309  Malacothrix glabrata M. B. Dunkle 1935-3-30 4419 Riverside Pinto Basin, Colorado Desert. 915 Comment
  POM362335  Malacothrix glabrata M. B. Dunkle 1935-3-31 4447 Riverside N Cottonwood Springs. 762 Comment
  UC55144  Malacothrix glabrata F. Gilman 1902-1 41 Riverside Palm Springs Comment
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Jul 6 2010
  UCD80954  Malacothrix glabrata Chuck Hughes 2009-3-23 61 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  CAS-BOT-BC348023  Malacothrix stebbinsii Annie M. Alexander; Louise Kellogg 1941-5-7 2129 Riverside 12 miles southwest of 29 Palms, Joshua Tree National Monument 1310 Comment
  UCR82222  Malva parviflora J. M. Stewart 1994-5-2 840 Riverside Western Colorado Desert, Coachella Valley, Thermal, Highway 86 and Airport Blvd. Comment
  POM13096  Mammillaria tetrancistra P. A. Munz, D. D. Keck 1922-4-9 5016 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. Colorado Desert. 518 Comment
  UCD107550  Marah macrocarpa R. L. Smith 1948-3-24 s.n. Riverside Murray Canyon. Comment
  RSA498353  Marina parryi Robert L. Dressler 1949-3-19 411 Riverside Box Canyon, Orocopia Mts. Comment
  UCSB3069  Marina parryi Haller, John 1960-4-2 Riverside South side of U.S. 60-70, 5.8 miles east of Desert Center 243 Comment
  UCR274806  Marrubium vulgare David Fraker, Aaron C. Sedgwick 2012-3-27 049 Riverside Central Mojave Desert, Copper City Road [c. 1 mi south of its junction with Coolgardie Road], Coolgardie Mesa 1189 Comment
  RSA357150  Marsilea vestita R. F. Thorne 1973-5-23 43846 Riverside Santa Rosa Plateau: Desiccated margin of large vernal pool N side of Mesa de Colorado 609 Comment
  RSA0120469  Melica Duncan S. Bell 2016-4-16 9311 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  JOTR16780  Melica bulbosa Walters, Jim 1967-4-30 s.n. Riverside Joshua Tree National Park. STIRRUP TANK 1097 Comment
  POM146215  Melica frutescens F. M. Reed 1926-5-16 5338 Riverside South of Menifee Comment
  RSA403497  Melica imperfecta George R. Johnstone 1934-3-27 18578 Riverside Near Wildomar. Inland route to Temecula. Comment
  RSA599111  Melica imperfecta V. W. Steinmann 1996-4-13 831 Riverside East of Route 15, summit of hill (1577 ft) east of Temescal Canyon road at a point 0.2km NW of the jct. with Indian Truck Trail 500 Comment
  SBBG122769  Melica imperfecta A. Parikh 1990-5-8 163 Riverside Motte Rimrock Reserve, W of Perris Valley, 0.6 km S of Cajalco Rd, 1.4 km E of Old Elsinore Rd 510 Comment
  UC1537222  Melica imperfecta Gordon H. True Jr. 1935-3-14 106 Riverside Gavilan Hills 609 Comment
  UC1930123  Melica imperfecta Scott D. White 2003-3-21 8821 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  UCR135735  Melica imperfecta A. C. Sanders 2004-4-20 27553 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
  CDA4200  Melilotus indicus Bob Rose 1964-3-11 Riverside IKI Farms, Mecca Heights, ca. 2 miles north of the Salton Sea, Coachella Valley. 0 Comment
  RSA619543  Melilotus indicus D. L. Banks 1997-5-5 1992 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
  SEINET2063365 Image available Melilotus indicus Ed LaRue 1989-4-7 Riverside Woodcrest area: 1/2 mi NE of intersection of Van Buren Blvd. & Mockingbird Canyon Rd. 365 Comment
  JOTR31141  Menodora scoparia La Doux, Tasha 2009-6-3 1852 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  RSA124076  Mentzelia involucrata Percy C. Everett, E. K. Balls 1958-4-29 23009 Riverside Hwy 60/70, Indio to Blythe, 6.5 miles E from Jct with Hwy 9. 244 Comment
  RSA440426  Mentzelia involucrata T. W. Minthorn 1926-5-14 s.n. Riverside Near Indio, Colorado Desert. Comment
  RSA656535  Mentzelia involucrata A. C. Sanders 2000-4-25 23358 Riverside east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles E of Thermal 15 Comment
  SD114165  Mentzelia involucrata D. F. Howe 1949-3-21 1940 Riverside 16 miles east of Mecca on Highway. 518 Comment
  UCSB45202  Mentzelia involucrata Matthews, K. 1977-3-25 Riverside 2 Miles south of 1-60 on Highway 195 off roadway 76 Comment
  UCR133706  Mentzelia jonesii N. C. Cooper 1944-3-25 1037 Riverside Sonoran (Colorado) Desert, Morongo Pass '1500 ft. 549 Comment
  POM13041  Mentzelia obscura P. A. Munz, D. D. Keck 1922-4-9 4854 Riverside Vicinity of Corn Springs, Chuckwalla Mtns, Colorado Desert. 396 Comment
  POM248404  Mentzelia veatchiana E. C. Jaeger 16 Riverside [No location information on label.] Comment
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Nov 6 2011
  SD186046  Mesembryanthemum nodiflorum A. C. Sanders, Guy Bruyea 2003-6-12 26889 Riverside Southwest edge of town between Simpson Ave. and Olive Ave., ca. 1.0 km west of Hwy 79/Winchester Rd. 445 Comment
  RSA544397  Microseris douglasii subsp. douglasii Steve Boyd 1991-5-30 6324 Riverside Perris Valley, saline soil along San Jacinto River at crossing of I-215, 2 mi E of Perris Comment
  RSA614099  Microseris douglasii subsp. douglasii A. C. Sanders, George K. Helmkamp 1997-3-15 19995 Riverside Lake Skinner, SE foot of Bachelor Mtn., just north of the lake. 500 Comment
  UCR102878A  Microseris douglasii subsp. douglasii A. C. Sanders 1997-3-26 20131 A Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  RSA655093  Microseris heterocarpa Scott D. White 2000-4-17 7655 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  UCR107827  Microseris lindleyi D. L. Banks 1997-5-5 2006 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
  RSA0018783  Mimulus N. C. Cooper 1949-6-29 4345 Riverside Pine Cove. Comment
  SEINET2445403  Mimulus aurantiacus Daphne K. Christopher, Hannah Stevens 2003-4-6 103 Riverside Uc Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  UCR98683  Mimulus aurantiacus 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
  JEPS87308  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-18 1070 Riverside 3.0 mi s of foot Banning Grade (Hwy 243 at 90 deg. turn allowing access to I-10 interchange); San Jacinto Mts. 910 Comment
  LA209131  Mimulus aurantiacus var. puniceus L. Haines; L. Erickson 1937-4-9 sn Riverside Hemet road near Winchester turnoff Comment
  RSA38707  Mimulus aurantiacus var. puniceus Percy C. Everett 1945-6-7 11502 Riverside Indian Canyon, along Indian Canyon Truck Trail. 777 Comment
  RSA442708  Mimulus aurantiacus var. puniceus N. C. Cooper 1947-4-5 2030 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UC1537442  Mimulus aurantiacus var. puniceus Gordon H. True Jr. 1935-3-1 40 Riverside Gavilan Hills 457 Comment
  POM43889  Mimulus bigelovii var. bigelovii Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA444559  Mimulus bigelovii var. bigelovii Walter Wisura 1988-3-13 4204 Riverside Box Canyon. Comment
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Nov 3 2011
  RSA757455  Mimulus brevipes Robert F. Thorne, Walter Wisura, Dave Mitchener 1982-1 55188 Riverside Cleveland National Forest, along Main Divide Truck Road 915 Comment
  SEINET3208895  Mimulus brevipes G. Goodwin 2012-6-14 3450 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  UCR154448  Mimulus brevipes A. C. Sanders, Mike Misenhelter 2005-6-15 30959 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
  RSA314472  Mimulus cardinalis Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55382 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA680492  Mimulus floribundus Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9599 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  LA209477  Mimulus fremontii Elizabeth McClintock; 1940-6-30 sn Riverside San Jacinto Mts., Between Fern Basin Camp and Marion Camp, Banning-Idyllwild road Comment
  UC922770  Mimulus nasutus Annie M. Alexander and Louise Kellogg 1940-3-21 885 Riverside 20 mi s Twenty Nine Palms (at base of Barker Dam); Mohave Desert 1322 Comment
  CLARK-A1045-159  Mimulus pilosus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  UC1374895  Mimulus pilosus Noel H. Holmgren and Liew Fah Seong 1969-6-17 3584 Riverside County road R1 at Black Mountain Turnoff (8.5 mi n of Idyllwild); San Jacinto Mountains Comment
  UCR156371  Mimulus pilosus T. B. Salvato, Kent Beaman 2005-5-16 864 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
  CSUSB1907  Mimulus puniceus R. Pirot 1975-4-20 Riverside Juniper Flats Road and Highway 74 at Homeland. 548 Comment
  RSA559437  Minuartia douglasii Steve Boyd 1992-4-15 6855 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UC1929818  Mirabilis bigelovii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10450 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA69464  Mirabilis laevis var. crassifolia F. W. Peirson 1921-3-19 69464 Riverside Cabazon, San Gorgonio Pass. Comment
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Mar 13 2011
  SD119893  Mirabilis laevis var. crassifolia Louis B. Ziegler 1978-3-28 580 Riverside San Jacinto Valley. 456 Comment
  CAS-BOT-BC434816  Mirabilis laevis var. retrorsa C. L. Hitchcock 1940-4-1 5906 Riverside 1 mi. below Cottonwood Springs, Joshua Tree National Monument. Comment
  POM262902  Mirabilis multiflora var. pubescens J. C. Roos 1941-5-10 121 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
  RSA82951  Mirabilis multiflora var. pubescens R. M. Straw 1953-6-4 439 Riverside Head of Palm Canyon, Palms to Pines Hwy. Comment
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Nov 19 2011
  RSA522320  Modiola caroliniana Steve Boyd 1989-7-28 3790 Riverside City of Riverside, campus of the University of California, Riverside.near N entrance to parking lot across from The Barn Comment
  CLARK-A1528-4223  Mohavea confertiflora John C. Roos 1958-3-29 Riverside Orocopia Mountains 304 Comment
  RSA306175  Mohavea confertiflora Fay A. MacFadden 1940-3-17 15277 Riverside Road from 29 Palms to Indio, 2/3 of way to Indio. San Bernardino Mtns Comment
  UC724358  Mohavea confertiflora Aven and Ruth Nelson 1939-3-28 3318 Riverside near Hidden Springs Comment
  JOTR32414  Mollugo cerviana Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 5 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  SBBG69832  Mollugo cerviana R. Hoffmann 1929-9-11 Riverside Thomas Valley Comment
  RSA778394  Mollugo cerviana Amber Swanson, Linda Jean Foster 2011-10-8 641 Riverside Large wash off Blythe Rice Rd 270 Comment
  UCD125041  Monardella australis Mitch Provance; Steve Boyd, Lauren Raz 1998-8-13 998 Riverside Desert Slopes of the San Bernardino Mountains: ca 1.5 miles east of Cushenberry Springs. 1402 Comment
  UCR19082  Monardella linoides subsp. linoides John C. Roos 1946-9-14 3009 Riverside Santa Rosa Mountains, Taylor, desert slope on Palms to Pines Highway 1098 Comment
  UC1499913  Monardella nana Elizabeth McClintock 1941-6-8 69 Riverside 3 miles east of Ribboncamp Pines to Palms Highway Comment
  UCR221491  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 80 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 5.5 miles beyond canyon where stream crosses road 2378 Comment
  RSA249859  Monardella nana subsp. tenuiflora Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38140 Riverside San Jacinto Mountains: San Bernardino National Forest. Hill above James Reserve and Lake Fulmor. 1677 Comment
  RSA750305  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 120 Riverside San Jacinto Mts. Devil s Slide trail. Comment
  UCR221472  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 122 Riverside Peninsular Range; San Jacinto Mtns., trail to Hidden Lake, about one mile beyond [Skunk Cabbage Meadow] the cienega 2439 Comment
  RSA94162A  Monoptilon bellidiforme F. W. Peirson 1928-4-24 7899 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. Comment
  JEPS31419  Monoptilon bellioides Dr. L. M. Newlon 1922-4-4 444 Riverside about 5 mi s Palm Springs; Andreas Canyon Comment
  RSA32426  Monoptilon bellioides N. C. Cooper 1944-3-25 1035 Riverside Morongo Pass. 457 Comment
  RSA457759  Monoptilon bellioides Steve Boyd, S. Meury, Laurel Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2126 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR201634  Montia fontana Scott D. White, Justin M. Wood 2008-6-18 12230 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  SBBG56964  Muhlenbergia asperifolia M. D. Clary 1928-8-11 70 Riverside Carrizo Crk Comment
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Nov 11 2011
  CAS-BOT-BC275297  Muhlenbergia microsperma A. N. Dunn; A. M. Martin 1932-3-26 s.n. Riverside Box Canon Comment
  HSC8122  Muhlenbergia microsperma E. C. Jaeger 1922-4-1 787 Riverside Box Canyon, near Mecca. Colorado Desert Region. Comment
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Jul 9 2010
  RSA501027  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3147 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  UCR260295  Muhlenbergia microsperma A. C. Sanders, Jim Malusa 2015-3-9 41361 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  UCR279504  Muhlenbergia microsperma A. C. Sanders, Jim Malusa 2017-3-27 43108 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  SEINET10900718  Muhlenbergia porteri David B. Dunn 1947-10-9 Dunn 3525 Riverside Grass. Joshua Tree National Monument at campground area by Hidden Valley. Comment
  CLARK-A1528-4766  Muhlenbergia rigens John C. Roos 1952-8-27 5895 Riverside Reche Canyon 487 Comment
  RSA591728  Muhlenbergia rigens John F. Emmel 1983-9-17 891 Riverside Idyllwild; along Strawberry Creek, just W of Camp Emerson Comment
  SEINET7862004  Muhlenbergia rigens M. F. Barrus, F. M. Reed 1920-1-12 99 Riverside Riverside, Arroyo Tequesquito. Comment
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Nov 6 2019
  POM13759  Muilla maritima Philip A. Munz 1922-4-29 5106 Riverside [Sedco] Station, south of Elsinore. Comment
  RSA359530  Muilla maritima Steve Boyd 1986-3-9 1394 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
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Jan 15 2009
  UCR209389  Muilla maritima Fred M. Roberts, Brenda McMillan 1998-3-31 5101 Riverside Paloma Valley, vicinity of Murreta, Ferndale Lane on hill top, 1.4 km southwest of the intersection of Briggs Road and Scott Road 480 Comment
  SD105726  Myosurus minimus var. apus T. Cass 1979-6-1 Riverside Vernal pool, Mesa de Burro, Santa Rosa Plateau 680 Comment
  SD82647  Myriopteris parryi Louis C. Wheeler 1933-12-2 2305 Riverside Mouth of Tahquitz Canyon near Palm Springs 142 Comment
  RSA517920  Nama demissa Steve Boyd, B. Roy, T. S. Elias, S. Zona, S. Meury 1986-3-5 1346 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  RSA699658  Nama demissa Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  POM14039  Nama hispida var. spathulata P. A. Munz, D. D. Keck 1922-4-8 4740 Riverside Mecca, Colorado desert. -30 Comment
  SD146244  Nama stenocarpa Andy Sanders, D. Bramlet et al 1999-10-15 23173 Riverside San Jacinto Valley; Mystic (San Jacinto) Lake, 1.4 mi southeast of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi south of Eden Hot Spr., gental slope on dried lake bed, scattered along lakeshore for nearly 1 km (mak 10/07) 433 Comment
  POM158438  Nassella lepida P. A. Munz 1927-5-21 10882 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  SD234485  Navarretia atractyloides Mitch Provance 2003-6-7 7608 Riverside San Bernardino Valley; Jurupa Mountains (extreme northwest end), near Philadelphia Street. 262 Comment
  UCR167832  Navarretia atractyloides T. B. Salvato, Melissa Clemons 2005-6-2 1337 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
  UCR179201  Navarretia atractyloides Jeffrey Ross, Tracy Tennant 1998-8-20 MOR- 700 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Hathaway Canyon, tree stand H-03 976 Comment
  UCR90770  Navarretia fossalis D. E. Bramlet 1993-5-16 2355 Riverside 6.0 km west of Hemet, 305 m north of Setson Ave. and 366 m west of Warren Rd. Site is found 640 m east of the MWD canal and 1.3 km south of Florida Ave 456 Comment
  UCR24247  Navarretia hamata John C. Roos 1965-6-30 s.n. Riverside Santa Ana Mtns., Ortega Hwy Comment
  SDSU13600  Navarretia hamata subsp. hamata W. Miller, C. Mosse 1972-7-5 Riverside Road below south gate (20ft). Comment
  UCR222306  Navarretia intertexta R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55217 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  RSA286800  Navarretia prostrata R. F. Thorne 1974-5-23 44667 Riverside Santa Rosa Plateau, Rancho California: Top of Mesa de Colorado, 624 Comment
  JOTR29379  Nemacladus glanduliferus La Doux, Tasha, Mike Bell 2006-5-10 1456 Riverside Joshua Tree National Park. Little San Bernardino Mountains; East Deception Canyon Comment
  POM316902  Nemacladus glanduliferus P. A. Munz 1922-4-9 4745 Riverside Palm Springs. 76 Comment
  UCR77701  Nemacladus pinnatifidus Steve Boyd, Orlando Mistretta 1991-5-22 6310 A Riverside Agua Tibia Mountains, Vail Lake area, base of Agua Tibia Mountain, east of Dorland Mountain, west of Kolb Creek 793 Comment
  CAS-BOT-BC536485  Nemacladus ramosissimus A. C. Sanders; D. Malueg 2003-5-8 26570 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Srpings Creek crossing W of Hwy 79, NE of the Hogbacks, N of Los Alamos Rd, and E of the creek 396 Comment
  RSA543890  Nemacladus ramosissimus Steve Boyd 1991-5-20 6260 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 426 Comment
  RSA586115  Nemacladus ramosissimus D. L. Banks, S. D. Boyd 1995-4-5 0155 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
  UCR139157  Nemacladus ramosissimus 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 1204 Comment
  RSA79176  Nemacladus sigmoideus P. A. Munz 1952-5-2 16239 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UC29179  Nemacladus sigmoideus W. G. Wright 1889-1 1766 Riverside Colorado Desert Comment
  UC24223  Nemophila menziesii H. M. Hall 1897-3-20 Riverside Temescal Mine Comment
  UCD120076  Nemophila menziesii Robert C. Bechtel 1952-3-28 25 Riverside Perris. 443 Comment
  RSA0059738  Nemophila menziesii Norman C. Cooper 1945-5-5 2262 Riverside San Gorgonio Mountains above Banning. 914 Comment
  POM13998  Nemophila menziesii var. integrifolia E. C. Jaeger 1921-6-17 934 Riverside San Jacinto Mtns, Below Greggs Ranch Comment
  RSA421269  Nemophila menziesii var. integrifolia H. Twining 1890-04 s.n. Riverside Riverside. Comment
  SBBG132547  Nicotiana attenuata S. D. White, J. M. Wood 2008-6-16 12140 Riverside meadow at Quinn Flat 1378 Comment
  UC303680  Nicotiana attenuata S. B. Parish 1900-1 4435 Riverside Strawberry Valley; San Jacinto Mts. Comment
  SEINET3224404  Nicotiana glauca G. Goodwin 2012-6-15 3458 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  JOTR31883  Nicotiana obtusifolia La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2135 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Rockhouse Canyon; steep-walled canyon and sandy wash along an old road Comment
  UC56816  Nicotiana obtusifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1873 Riverside Palm Canyon Comment
  UCR88576  Nicotiana quadrivalvis A. C. Sanders, J. C. Lyman 1995-4-16 16562 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  PASA2135  Nicotiana trigonophylla 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
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Aug 27 2016
  UCR99793  Nolina bigelovii A. C. Sanders, G. Helmkamp, O. Clarke, B. Pitzer 1996-11-9 19645 Riverside Sonoran (Colorado) Desert, Orocopia Mtns., near 'Bob's Cabin', 5 mi. (air) south of Hayfield Pump Sta., east of Maniobra Valley, central section of arroyo (N of peak 2552 to Bench Mark 1899) 610 Comment
  UCR270744  Nolina cismontana T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8364 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  RSA596774  Oenothera californica subsp. californica D. L. Banks, K. D. Hedge 1996-5-16 1042 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles E of Pauba Road on the N side of Los Caballos Road, along the broad, sandy, southern alluvial bench of Temecula Creek. 370 Comment
  POM96475  Oenothera californica subsp. californica P. A. Munz 1926-4-30 10375 Riverside Near Temecula. Comment
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Nov 17 2009
  UCD106846  Oenothera deltoides Dan Axelrod 1932-3-23 s.n. Riverside Palm Springs. Comment
  UCR196347  Oenothera deltoides Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1428 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  RSA698260  Oenothera deltoides subsp. deltoides Mary Edmunds 1932-3-27 s.n. Riverside Sandy soil W. of Indio. Comment
  RSA144818  Oenothera primiveris subsp. primiveris E. G. Linsley, J. W. MacSwain 1960-3-2 60 -3 Riverside Hopkins Well. Comment
  UCR41587  Oligomeris linifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6114 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  CAS-BOT-BC349929  Oncosiphon piluliferum A. C. Sanders; T. B. Salvato; Kelly Volansky; Michelle Balk 2006-5-24 32540 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
  UCR137332  Oncosiphon piluliferum A. C. Sanders 2004-4-9 27479 Riverside Perris Valley, Ramona Expressway at east end of Lake Perris dam 457 Comment
  UCR249221  Oncosiphon piluliferum LeRoy Gross, Bart O'Brien 2013-3-18 5950 Riverside Coastal Plains and Basins; San Bernardino Basin Region, Fairmount Park, west side of Lake Evans, Riverside, NE of Mt. Rubidoux 238 Comment
  UCSB17810  Opuntia basilaris Gerhart, Janet 1963-4-6 Riverside 5.2 miles south of U.S. Highway 60-70 on mine road; 11.5 miles east of turnoff to Joshua Tree National Monument 396 Comment
  UCR257140  Opuntia californica A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24940 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  POM294970  Opuntia echinocarpa David Griffiths 1908-08 s.n. Riverside Banning. Comment
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Mar 21 2011
  POM284055B  Opuntia phaeacantha Lyman Benson 1955-12-6 15619 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  POM285351B  Opuntia phaeacantha Lyman Benson 1955-12-6 15622 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  POM306430  Opuntia polyacantha var. erinacea Scott Haselton 1962-12-28 s.n. Riverside San Jacinto Mountains. Palms to Pines Highway; east side. 1220 Comment
  RSA524212  Opuntia vaseyi B. D. Parfitt, A. C. Sanders, R. Anthony 1986-4-18 3486 Riverside University of California Riverside: Botanical Garden Entrance. Native on grassy slopes across walk in front of herbarium. 335 Comment
  UCR48211  Orcuttia californica R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47312 Riverside Santa Rosa Plateau, Santa Ana Mtns., Rancho California, Mesa de Burro 610 Comment
  CDA42045  Orobanche cooperi E. H. Asker 1968-5-1 s.n. Riverside Palms to Pines Highway (Highway 74). Comment
  RSA516904  Orobanche cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1427 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  SBBG27016  Orobanche cooperi K. K. Muller 1967-3-20 1383 Riverside 17.5 mi N of Desert Center on rd to Rice Comment
  UC1539723  Orobanche cooperi Chas. B. Fiker 1946-4-17 Riverside w side of Colorado Desert Colorado Desert; w side of Colorado Desert Comment
  UCR60792  Orobanche cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1402 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  RSA0066527  Orobanche cooperi subsp. cooperi C. Leo Hitchcock 1940-3-29 5845 Riverside Ca. 12 mi. east of Indio. Comment
  RSA0066528  Orobanche cooperi subsp. cooperi Frank W. Peirson 1924-12-30 5422 Riverside Thousand-Palms Canyon, Coachella Valley. 121 Comment
  UC64334  Orobanche fasciculata H. M. Hall 1901-7 2599 Riverside San Jacinto Mountains, Tamarack Valley. Comment
  CAS-BOT-BC500137  Orobanche fasciculata Ivan Johnston 1917-4-4 1102 Riverside Andreas Canyon 243 Comment
  UCR21126  Orobanche parishii subsp. parishii A. C. Sanders, K. Berg 1979-10-27 946 Riverside San Jacinto Mtns., James Reserve along a trail near the weather station 1646 Comment
  RSA487430  Orthocarpus purpurascens Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA0030793  Orthocarpus purpurascens N. C. Cooper 1944-4-21 1127 Riverside Banning. 701 Comment
  RSA585876  Oxalis albicans subsp. californica D. L. Banks, S. D. Boyd 1995-5-9 360 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  SD129364  Oxalis californica Steve Meyers 1990-3-21 Riverside Santa Rosa Plateau area: along Los Gatos Road, I(c) mile south of Buena Vista Road (2 miles west of Sandia Canyon and 0.1 mile north of San Diego County line). 366 Comment
  RSA783249  Oxytheca caryophylloides J. D. Olmsted 1962-5-3 3496 Riverside Where Thomas Mt. road turns East along SW flank of north peak. 1768 Comment
  RSA392899  Oxytheca emarginata E. C. Jaeger 1922-7-23 s.n. Riverside Pines to Palms Trail, E-slope San Jacinto Mtns. 1524 Comment
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May 29 2011
  UCR11672  Oxytheca emarginata Carl Epling, A. Lee Haines 1937-5-7 s.n. Riverside San Jacinto Mtns., Vandeventer Flat Comment
  SD10674  Paeonia californica Mrs. D. R. Wolf 1932-3-20 19 Riverside Richman Ranch, 2.5 mils north of De Luz. 456 Comment
  UCR102816  Paeonia californica A. C. Sanders 1997-3-19 20059 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  CAS-BOT-BC327890  Palafoxia arida Carl B. Wolf 1932-5-25 3684 Riverside San Gorgonia Wash, on road to Snow Creek Canyon 365 Comment
  CAS-BOT-BC327925  Palafoxia arida J. Von Loh 1978-1-23 3307 B Riverside Palo Verde Mesa, 12 mi W of Blythe 121 Comment
  UCR249510  Palafoxia arida T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7280 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
  UC1440559  Palafoxia arida var. arida T. J. Watson 1970-3-24 367 Riverside 1 1/2 mi n California State Hwy. 95 (9 mi e of Mecca) Comment
  UCSB6736  Palafoxia arida var. arida Krogen, Roger 1957-1 Riverside Canyon bottom 8 mi. E of Mecca in Box Canyon Wash on Hwy. 195 Comment
  UCSB9918  Palafoxia arida var. arida Wilson, Richard 1958-3-22 Riverside 7 miles E. of Desert Center on U.S. Highway 60-70, in a Colorado Desert dry wash Comment
  SEINET3271553 Image available Panicum O. F. Clarke 2002-11-3 Riverside Peninsular Range; Riverside; UCR Botanical Garden 340 Comment
  RSA597066  Panicum capillare D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1122 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, approximately 20 m N of the gate to the University of California-Emerson Oaks Reserve;, across from the junction with the road to the local golf course, in a vineyard. 426 Comment
  UCD90120  Panicum urvilleanum T. C. Fuller 1964-1-1 s.n. Riverside N of Thousand Palms. Comment
  RSA612688  Papaver californicum D. L. Banks 1997-3-29 1610 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
  UC56956  Parietaria hespera var. hespera W. L. Jepson and H. M. Hall Riverside Palm Canyon 457 Comment
  RSA737261  Parkinsonia aculeata Scott D. White, Justin M. Wood 2008-9-17 12541 Riverside Perris Basin: Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  RSA0080159  Parkinsonia florida Jim M. Andre 2012-4-11 20837 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  RSA788974  Parkinsonia florida Aaron C. Sedgwick, David Fraker 2012-3-28 28 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SEINET2060863 Image available Parkinsonia florida John N. Bullock 1948-4-27 P- 19 Riverside 100 m SE of Californnia Hwy 195, 8.9 meters E of the All American Canal, Mortmar 7 1/2' Quad. 292 Comment
  RSA192081  Paspalum dilatatum E. W. Lathrop 1965-9-22 6022 Riverside 8 miles west of Murrieta. Comment
  UCR85427  Paspalum vaginatum A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15885 Riverside Sonoran (Colorado) Desert, Salton Sink: Dos Palmas oasis area, managed ponds near the Nature Conservancy preserve headquarters (Rancho Dos Palmas) -37 Comment
  UCR281922  Pectis papposa A. C. Sanders, Jim Malusa 2017-9-21 43349 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  CAS-BOT-BC355870  Pectis papposa var. papposa K. Bonner 1977-10-29 2578 Riverside 1.5 mi. W. of Chiriaco Summit Comment
  UCR116953  Pectocarya anisocarpa A. C. Sanders, T. B. Salvato 2001-5-3 24117 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR213308  Pectocarya anisocarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37701 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR64000  Pectocarya anisocarpa George K. Helmkamp 1984-5-2 D- 29 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  RSA682121  Pectocarya heterocarpa Valerie Soza 2003-3-15 s.n Riverside Orocopia Mountains. Comment
  RSA716430  Pectocarya linearis Scott D. White 2006-4-27 11316 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
  RSA736032  Pectocarya linearis Scott D. White, Jamie Minor 2008-3-13 11767 Riverside Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  UCR111965  Pectocarya linearis A. C. Sanders, T. B. Salvato 2000-5-25 23419 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
  UCR225621  Pectocarya linearis A. C. Sanders, T. B. Salvato 2011-3-28 38828 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  SDSU13374  Pectocarya linearis subsp. ferocula Tarja Sagar, Michael G. Simpson & Taxonomy of CA Plants Class 2000-4-2 14 Riverside Santa Margarita Ecological Reserve (SDSU). 200 m west from the Northside Field Station. 366 Comment
  RSA689498A  Pectocarya penicillata Scott D. White 2001-4-19 8374 -A 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
  UCR190496  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  UCR280950  Pellaea mucronata Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 67 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  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
  RSA1664  Pellaea mucronata var. mucronata C. B. Wolf 1931-5-11 1958 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
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Mar 24 2011
  RSA686890  Pellaea mucronata var. mucronata Norman C. Cooper 1944-6-17 1426 Riverside San Jacinto Mountains: above Banning 1372 Comment
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May 13 2011
  UCR213369  Pennisetum setaceum Lynn Sweet, Chris E. True 2009-12-3 s.n. Riverside Peninsular Range/Sonoran Desert; Santa Rosa Mtns., UC Boyd Deep Canyon Reserve, center of wash in Deep Canyon, 1/4 mile from end of road 335 Comment
  RSA650291  Penstemon centranthifolius Toppenberg 1961-5-12 s.n. Riverside Hwy. 74. Beaumont to Idyllwild. Comment
  UCR16844  Penstemon centranthifolius Rodney Hendrick 1965-5-2 s.n. Riverside Perris-Aguanga Basin, 5 mi. west of Aguanga on Hwy 71 610 Comment
  RSA96998  Penstemon centranthifolius R. M. Straw 1953-6-6 460 Riverside 6.6 mi. S. of Banning on Idyllwild Road. Comment
  UCD124052  Penstemon clevelandii var. connatus Richard Bates 1949-3-1 s.n. Riverside Pines to Palms Highway, top of Palm Canyon. Comment
  JEPS2776 Image available Penstemon spectabilis var. gilmanii M. French Gilman 744 Riverside San Jacinto Mts. Comment
  UC489038  Pentachaeta aurea C. V. Meyer Jun 1927 184 Riverside Saunders Meadow San Jacinto Mts. 1676 Comment
  UCSB41255  Pentagramma triangularis subsp. triangularis Cowan, Clark 1978-4-25 Riverside 6.7 mi. (10.7 km.) SW on 74 from jct. with 71, 4.6 mi. (7.3 km.) from Lake Elsinore, Santa Ana Mts. Cleveland Nat. F. Comment
  SEINET10545725  Perideridia parishii David B. Dunn 1946-8-17 Dunn 2694 Riverside Grass near stream at camp in Taquity Valley damp meadow area. 2438 Comment
  RSA797250  Perideridia parishii subsp. latifolia R. F. Thorne, Walter Wisura 1977-9-17 50788 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCR227004  Peritoma arborea Jim Andre 2011-2-2 16235 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  CAS-BOT-BC355979  Perityle emoryi N. Aitkenhead 1977-2-2 2128 Riverside S-O line S.W. of Radio Tower top of Chuckwalla Mnts Comment
  CLARK-A1656-832  Perityle emoryi Jon Mark Stewart 1982-11-13 82-017 Riverside Indio Hills 198 Comment
  JEPS34969  Perityle emoryi W. L. Jepson 1927-4-14 11703 Riverside se end Santa Rosa Mts. foothills (w side of Colorado Desert); Colorado Desert, Silent Canyon 304 Comment
  RSA471863  Perityle emoryi W. D. Pierce 1940-2-24 s.n. Riverside Painted Canyon, Orocopia Mts. Comment
  UCD134914  Perityle emoryi L. S. Rose 1935-12-23 s.n. Riverside San Jacinto Mountains, above Deep Canyon, Colorado Desert, 13 miles south of Cathedral City. 609 Comment
  RSA247995  Petalonyx thurberi Robert F. Thorne, S. T. Blake 1965-6-1 34712 Riverside Morongo Valley pass 488 Comment
  RSA444948  Petalonyx thurberi Anstruther Davidson 1903-5-1 s.n. Riverside Thermal Comment
  UCD117313  Petalonyx thurberi Lewis S. Rose 1961-11-24 61065 Riverside La Quinta. 15 Comment
  UCR144106  Petalonyx thurberi Scott D. White 1999-6-1 7438 Riverside Coachella Valley, Thousand Palms area. N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 Comment
  JOTR30075  Petalonyx thurberi subsp. thurberi La Doux, Tasha, Bill Truesdell 2006-10-3 1718 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  POM259711  Peucephyllum schottii P. A. Munz 1940-3-23 15664 Riverside South base of Pinto Mts., road Dale to Cottonwood Springs. 610 Comment
  SBBG8665  Peucephyllum schottii K. K. Muller 1952-4-5 559 Riverside ca. 2 mi N of Dos Palmas on rd from Hot Mineral to Mecca-Blythe Hwy Comment
  UCR265843  Phacelia Mitch Provance 2012-5-24 512- 27 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  POM311268  Phacelia ambigua Shirley See 1958-3-30 206 Riverside South entrance to Joshua Tree National Monument. 610 Comment
  RSA653543  Phacelia brachyloba Scott D. White 1999-5-24 7382 (unic.) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UCR156466  Phacelia brachyloba T. B. Salvato, A. C. Sanders 2005-5-17 894 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
  RSA427702B  Phacelia campanularia N. C. Cooper 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  RSA74791  Phacelia campanularia F. W. Peirson 1917-4-1 4123 Riverside Palm Springs Comment
  UCSB5353  Phacelia campanularia Haller, John 1957-3-23 Riverside At mouth of Morongo Canyon, ca. 8 road miles N. of U.S. 99 and 1 air mile S. of Riverside-San Bernardino Co. line 762 Comment
  RSA776235  Phacelia campanularia subsp. campanularia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 869 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  UCR121338  Phacelia cicutaria var. hispida A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25033 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR165415  Phacelia cicutaria var. hispida A. C. Sanders 2005-4-21 29565 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR251941  Phacelia cicutaria var. hispida Harun Bektas 2011-4-26 01 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  SEINET4681882  Phacelia crenulata C. Davidson 2010-4-1 11657 Riverside Highway 168 to Joshua Tree National Park, about 1 mile from I-10.; 0 515 Comment
  UCR104821  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 1998-2-5 2663 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  RSA766669  Phacelia crenulata var. minutiflora Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 158 Riverside N of I-10. Approx. 1.5 miles up Corn Springs Rd. 213 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
  UCR243510  Phacelia cryptantha Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21086 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  HSC78876  Phacelia distans R. F. Thorne, Drs. Fosberg, Sachet, Herbst 1983-4-23 55445 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office 595 Comment
  RSA650531  Phacelia distans Dolores Perez 1981-4-11 21 Riverside Cajalco Rd., S. of Lake Matthews. Comment
  UCR137030  Phacelia distans A. C. Sanders 2004-5-5 27767 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR216227  Phacelia distans Tasha La Doux, Jim Andre 2009-2-28 354 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, SE Little San Bernardino Mountains, along Berdoo Canyon Rd (dirt), c. 0.8 mi. north of JTNP boundary, c. 3 miles north of Dillon Road 632 Comment
  UCR98861  Phacelia distans A. C. Sanders, G. Helmkamp 1997-3-15 19986 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA588176  Phacelia imbricata subsp. patula D. L. Banks, V. W. Steinmann 1995-7-10 742 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. 561 Comment
  CLARK-A1656-701  Phacelia minor Theo Glenn 1979-3-11 Riverside Snow Creek Comment
  POM158465  Phacelia minor P. A. Munz 1927-5-20 10827 Riverside 10 miles S. of Hemet. Comment
  RSA428082  Phacelia minor D. A. Young 1969-4-12 p 311 Riverside 10 mi SE of Hemet, 200 yrs. E. of State St. in a wash. 335 Comment
  RSA571313  Phacelia minor Steve Boyd, D. L. Banks 1994-4-5 8262222 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
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Feb 17 2013
  UCR113174  Phacelia minor A. C. Sanders 1998-1-15 21643 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  UCSB19862  Phacelia parryi Eater, John 1966-3-18 Riverside State Highwya 74, 2.5 miles W of junction with Grand Ave., Elsinore Comment
  CDA40393  Phacelia ramosissima var. suffrutescens T. C. Fuller 1964-4-14 11830 Riverside On disturbed cut above road, Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  RSA112736  Phacelia suaveolens subsp. keckii J. T. Howell 1931-5-30 6611 Riverside Santiago Peak. 1220 Comment
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Jul 21 2018
  UCR260311  Phalaris minor A. C. Sanders, Jim Malusa 2015-3-10 41380 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-BC128869  Philadelphus microphyllus Edmund C. Jaeger 1922-8-16 s.n. Riverside Ridges on rim of San Jacinto Mts. above Chino Canyon [Canon] - San Jacinto Mts. 2590 Comment
  JOTR32530A  Phoenix dactylifera La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2540 Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  UC193878  Pholistoma membranaceum G. R. Vasey Feb. 1881 Riverside Whitewater Comment
  RSA799076  Phoradendron californicum Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6872 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  UC61548  Phoradendron californicum Miss Mary McKibben Riverside Mecca -60 Comment
  UCR48557  Phoradendron californicum J. Glazner 1985-3-24 s.n. Riverside Sonoran (Colorado) Desert Edge; San Gorgonio Pass, Cabzon, 3 mi NW of city and I-10 on Fields Road 564 Comment
  CAS-BOT-BC141177  Phoradendron serotinum subsp. macrophyllum Scott D. White 1996-4-14 3916 Riverside E of Hemet: San Jacinto River wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 548 Comment
  CLARK-A1528-613  Phoradendron tomentosum subsp. macrophyllum C. M. Flanagan 1973-5-31 OO 634 Riverside Morongo Indian Reservation 914 Comment
  RSA654165  Phoradendron villosum A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  RSA0026182  Phoradendron villosum John F. Emmel 1997-8-3 1521 Riverside San Jacinto Mts.; Garner Valley; ridgetop 1.1-1.2 air miles north of junction Hwy. 74 and Morris Ranch Road. 1402 Comment
  JOTR31098  Physalis crassifolia La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2356 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Side canyon off main wash between Ryan Mtn and Lost Horse Hills, with steep rocky slopes (Stop 4) Comment
  JOTR34307  Physalis crassifolia Andre, Jim 2012-4-11 20721 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  PASA2143  Physalis crassifolia F. Brubaker, M. Stason 1928-3-3 Riverside Hidden Springs Comment
  RSA423822  Physalis crassifolia Robert Gustafson 1978-3-21 844 Riverside Joshua Tree National Monument, about 3 miles north on the road leading through the park and Hwy 70. 640 Comment
  RSA555225  Physalis crassifolia Robert F. Thorne 1966-10-15 41820 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  UC494395  Physalis crassifolia C. L. Hitchcock 1932-4-7 12201 Riverside Corn Springs; e Riverside County Comment
  UCR240992  Physalis crassifolia Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 53 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  POM49151  Physalis philadelphica Stephen Grout s.n. Riverside Riverside, W of house near tannery, Rubidoux. Comment
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Jun 9 2012
  RSA698298  Pinus cembroides J. Vlahos 1934-6-3 s.n. Riverside Lower Transitions Zone or upper sonoran. Comment
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Dec 11 2011
  LA6070  Pinus coulteri Carl Epling; 1932-11-9 sn Riverside 3 mi. below Idyllwild Comment
  UCSB137  Pinus ponderosa Ralph, F. 1959-5-16 Riverside Near entrance to wilderness area of Mt. San Jacinto St. Park, at the foot of the Devil's Slide Trail, San Jacinto Mtns. 1828 Comment
  NY62443  Pinus quadrifolia V. Duran 1933-7-2 3495 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  POM12979  Pinus quadrifolia Philip A. Munz, I. M. Johnston 1922-5-20 5492 Riverside Head of Hemet Valley, San Jacinto Mts 1524 Comment
  POM293252  Pinus quadrifolia Lyman Benson 1956-12-1 15706 Riverside Palms to Pines Highway at the lowest level of Coulter pines. Mt. Range San Jacinto. 1524 Comment
  RSA503434  Pinus quadrifolia Mark Parratt 1962-2-24 114 Riverside 1/4 mile north of Nightengale, Calif. on State hwy. 74. Mt. Range San Jacinto. Alt. 3900 ft. 1189 Comment
  UCR67003  Piptatherum miliaceum S. J. Myers 1990-12-10 s.n. Riverside Santa Ana River Valley, Louis Rubidoux Nature Center: along the drainage that connects to the Sunnyslope channel and to the confluence with the Santa Ana River 214 Comment
  UCR182103  Pistacia atlantica Tom Chester 2006-3-9 869 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Los Santos Trail, next to tributary to Cole Creek, 0.25 miles (0.4 km) sw of peak 2064 next to Tenaja Truck Trail 591.5 Comment
  SEINET244840  Plagiobothrys acanthocarpus Ian G. Gillespie 2000-4-26 26 Riverside Perris-Aguanga Basin; S side of Paloma Valley. Hilltop at S end of Linderberger Road, SW of the intersection of Scott Road and Briggs Road. 473 Comment
  UC480644  Plagiobothrys canescens Philip A. Munz 1927-5-21 10833 Riverside Coahuila Valley 1219 Comment
  RSA180396  Plagiobothrys canescens var. canescens E. W. Lathrop 1965-3-30 5600 Riverside 14 miles W of Murrieta. 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
  UCR116466  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2001-3-30 23863 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
  UCR152648  Plagiobothrys collinus A. C. Sanders 2005-4-22 29599 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR171959  Plagiobothrys collinus John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UCR114929  Plagiobothrys collinus var. californicus Julie A. Greene 1993-4-30 1278 A Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of visitor center road and north of the old San Jacinto River drainage 433 Comment
  SD244104  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy W. Chumley 2013-4-3 40765 Riverside Peninsular Range: Temescal Canyon just SE of intersection of Horsethief Canyon Road and I-15 Fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 380 Comment
  UCR182310  Plagiobothrys collinus var. fulvescens Mitch Provance 2003-4-5 6609 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  RSA750554  Plagiobothrys collinus var. ursinus Scott D. White, Justin M. Wood 2009-5-21 12881 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UCR201471  Plagiobothrys collinus var. ursinus Scott D. White, Justin M. Wood 2008-6-5 12085 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  RSA776143  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-10 840 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  UCR182429  Plagiobothrys leptocladus Mitch Provance 2005-5-17 6593 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  CSUSB1065  Plantago hookeriana Kirby W. Brown 1966-4-7 Riverside Highway 71, 6.8 miles east of Temecula. 365 Comment
  JEPS7193  Plantago ovata W. L. Jepson 1927-4-12 11645 Riverside Painted Canyon Mecca Hills 76 Comment
  SJSU7820  Plantago ovata T. N. Seeno 1963-4-12 270 Riverside by Hwy 60-70, 20 mi W of Blythe Comment
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Sep 23 2013
  UCR1355  Plantago ovata Frank C. Vasek 1960-3-24 600324- 19 Riverside Western Colorado Desert, Deep Canyon, Palm Desert [Palm Springs Museum's Deep Canyon Sanctuary] Comment
  SEINET7048025  Plantago ovata Steven R. Hill, Kate Kramer 2001-4-27 33495 Riverside California Route 86, west side of U.S. Navy Salton Sea Test Base road just east of Route 86. About 10.4 miles south of Salton City. Elevation 16 feet. 4 Comment
  POM305602  Plantago ovata var. fastigiata Henry J. Ramsey, Henry J. Ramsey 1937-3-2 880 Riverside Blythe, Colorado River bluffs. Comment
  POM68827  Plantago ovata var. fastigiata Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA703373  Plantago ovata var. fastigiata LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1439 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA741371  Plantago patagonica Scott D. White, Justin M. Wood 2008-5-15 11981 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  POM250486  Platanthera leucostachys I. W. Clokey, E. G. Anderson 1935-8-21 6561 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  RSA722418  Platanthera sparsiflora J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mt. 2744 Comment
  RSA652518  Platanus racemosa T. C. Thomas 1974-7-5 s.n. Riverside Riverside. 366 Comment
  SD233899  Platanus racemosa A. C. Sanders, J. Goetzen 1996-5-1 18140 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning. 793 Comment
  UCR59662  Platystemon californicus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2935 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  POM118377  Pleuraphis rigida Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA776908  Pleuraphis rigida Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 960 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  SBBG14312  Pleuraphis rigida H. and M. Dearing 1936-12-25 Riverside Thousand Palms Comment
  JOTR31869  Pleurocoronis pluriseta La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2123 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA457772  Pleurocoronis pluriseta Steve Boyd 1988-3-10 2216 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA718300  Pleurocoronis pluriseta Michael Honer, Lincoln Hulse 2004-4-2 1881 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  SBBG87786  Pleurocoronis pluriseta A. C. Sanders, B. Pitzer 1986-3-3 6139 Riverside N foot of Chuckwalla Mtns, 2.75 air mi SE of Desert Center 365 Comment
  UC1929845  Pleurocoronis pluriseta Scott D. White 2001-4-17 8334 Riverside SONORAN DESERT: Shavers Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajadas, washes, and mtn. foothils near powerline access roads at unnamed freeway exit accessing pump station. Comment
  CAS-BOT-BC356105  Pluchea odorata J. Ewan 1931-10-3 5210 Riverside Santa Ana River 4 miles N.W. of Corona Comment
  CAS-BOT-BC414255  Pluchea odorata var. odorata R. E. Riefner, Jr. 2011-10-16 11 -143 Riverside City of Lake Elsinore, W of Hwy. 74, S side of Temescal Wash, ca. 0.2 mi N of Baker St., vicinity of Bromley Ave. and Baker St. 382 Comment
  UCR31855  Pluchea purpurascens M. Hamilton 1983-10-4 s.n. Riverside Riverside, Just outside the Riverside city limits between Woodcrest and Edgemont, east of Trautwein Ave. & south of Alessandro Blvd. 488 Comment
  CAS-BOT-BC326511  Pluchea sericea W. R. Dudley 1903-12-26 s.n. Riverside Palm Canyon Comment
  UCD91844  Poa pratensis Alan A. Beetle 1946-6-10 4403 Riverside San Jacinto Mountain, Camp Keene Meadow. Comment
  POM14438  Poa secunda P. A. Munz, I. M. Johnston 1922-5-21 5509 Riverside Kenworthy, San Jacinto Mountains. 1418 Comment
  LA12631  Poa secunda subsp. secunda L. Haines; L. Erickson 1937-4-11 sn Riverside Morongo Valley Comment
  RSA614165  Poa secunda subsp. secunda D. L. Banks 1997-2-23 1312 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA680634  Poa secunda var. secunda Scott D. White 2001-3-27 s.n. 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
  UCR84055  Polycarpon tetraphyllum A. C. Sanders, L. Ard 1994-7-11 15054 Riverside San Bernardino Mtns., Cherry Valley, irrigated landscaping at the Edward Dean Museum, Oak Glen Road, 1 mi north of Orchard St. 1000 Comment
  UCR270760  Polygala cornuta subsp. fishiae T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8366 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCR155082  Polygonum argyrocoleon A. C. Sanders, Kelly Volansky 2005-3-17 29243 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR155815  Polygonum aviculare John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  SBBG132548  Polygonum aviculare subsp. depressum S. D. White, J. M. Wood 2008-6-16 12139 Riverside meadow at Quinn Flat, San Jacinto Mtns 1378 Comment
  CAS-BOT-BC414404  Polygonum douglasii H. M. Hall 1901-7-1 2446 Riverside San Jacinto Mountains 2438 Comment
  RSA29893  Polygonum punctatum Louis C. Wheeler 1932-9-4 1320 Riverside Santa Ana River at Chino Creek. 183 Comment
  UCR82905  Polypogon australis A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15799 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  RSA500155  Polypogon interruptus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3646 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  RSA575836  Polypogon viridis Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at confluence of 'Estelle Creek' and Temescal Creek, just NW of entrenched meander of Temescal Creek at western base of Estelle Mountain. 317 Comment
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Oct 22 2011
  IRVC165  Polystichum imbricans subsp. curtum Don Pfirrmann 1965-4-24 HS 550 Riverside Highway 74; 1/4 mile SE of Sven Camp summit. Comment
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Mar 30 2014
  RSA16477  Polystichum imbricans subsp. curtum Percy C. Everett 1935-6-19 7230 Riverside Main Divide Motorway, Bear Spring 1219 Comment
  UCR125293  Populus nigra A. C. Sanders 2002-11-21 25634 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  POM360816  Populus trichocarpa Lester H. Cushman 1931-10 s.n. Riverside Near Pedley. Comment
  CHSC101728  Porophyllum gracile Scott D. White 2001-3-13 8158 Riverside Perris/Elsinore basins; Menifee/Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 474 Comment
  LA203863  Porophyllum gracile Tom O'Donnell; 1953-5-2 sn Riverside 11 mi. from intersection of highways 111 and 74. On highway 74 Comment
  RSA525440  Porophyllum gracile Steve Boyd, David E. Bramlet 1990-4-29 4485 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  UC1511365  Porophyllum gracile James Eckenwalder 1976-10-25 1282 Riverside near Cottonwood Springs; Joshua Tree National Monument Comment
  RSA608838  Potamogeton pusillus L. C. Wheeler 1961-6-24 7911 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  UC217966  Potamogeton pusillus var. pusillus I. M. Johnston 1922-5-21 5523 Riverside Hemet Valley, on Garner Ranch Hemet Valley; San Jacinto Mountains 1386 Comment
  RSA783358  Potentilla glandulosa John Olmsted 1958-6-15 171 Riverside San Jacinto Mts: M. FK. San Jacinto Range Drainage Area. 1 mi above intersection of Beartrap Canyon with Strawberry Cr. by Idyllwild School of Music and Art. On sandy banks of Beartrap Canyon. 1616 Comment
  UCR138765  Potentilla glandulosa Scott D. White 1997-5-18 5161 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
  UCR35112  Proboscidea louisianica L. B. Ziegler 1967-7-10 185 Riverside Foothills of San Jacinto Mtns., wash 1.5 mi. west of Sage 671 Comment
  RSA799516  Prosopis glandulosa Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4779 Riverside East side of Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.25 air miles east southeast of Priests Well. 211 Comment
  CAS-BOT-BC216521  Prosopis pubescens Munz; et al 1919-3-26 2343 Riverside Near Salton Sea Comment
  JOTR32147  Prunus fasciculata var. fasciculata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2303 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  SBBG71041  Prunus fremontii Anstruther Davidson -Apr-1893 Riverside Palm Springs Comment
  HSC28422  Psathyrotes ramosissima Richard Spjut 1973-5-2 3340 Riverside Colorado Desert: ca. 5 mi. S of I-10 and ca. 8 mi. E of Desert Center on road to Corn Springs, Chuckawalla Mtns. 305 Comment
  RSA653709  Psathyrotes ramosissima Scott D. White 2000-3-23 7638 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  RSA799243  Psathyrotes ramosissima Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 736 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  SD27984  Pseudognaphalium biolettii Carl B. Wolf 1932-2-11 Riverside Santa Ana Mts., Hidden Canyon, 5 miles west of Corona, base of Skyline Drive. 405 Comment
  UCD135049  Pseudognaphalium biolettii John Roos 1947-3-21 3372 Riverside Plateau', Reche Canyon. Comment
  JOTR30789  Pseudognaphalium luteoalbum La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2096 Riverside Joshua Tree National Park. Eagle Mountains; Cottonwood Oasis 914 Comment
  UCR266315  Psilocarphus brevissimus D. E. Bramlet 1991-4-3 2109 Riverside Perris-Aguanga Basin region, west of Hemet, west of Warren Rd. across from Hemet-Ryan Airfield 457 Comment
  UCR277522  Psilocarphus brevissimus var. brevissimus Mitch Provance 2011-6-28 17203 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., east to Old 215 Frontage Rd. 466 Comment
  RSA403978  Psorothamnus arborescens var. simplicifolius Robert Gustafson 1980-5-5 1573 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  UCR170128  Psorothamnus arborescens var. simplicifolius Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-30 95 Riverside San Gorgonio Pass, Morongo Indian Reservation; Road between Millard and Lion Canyon (Deep Canyon Road?), below Deep Canyon 619 Comment
  UCR215634  Psorothamnus arborescens var. simplicifolius Bao Doan 2010-5-31 10 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. at San Gorgonio River wash crossing 473 Comment
  POM66987  Psorothamnus emoryi Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sink near Oasis. Comment
  RSA0106712  Psorothamnus emoryi Duncan S. Bell 2011-9-30 2945 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  RSA503354  Psorothamnus emoryi S. J. Myers 1988-10-18 s.n. Riverside Garnet Hill, N of Palm Springs, between the Southern Pacific railroad tracks and Hwy 10, E one-third of Granet Hill, SE to Palm Drive 206 Comment
  UCR263503  Psorothamnus emoryi David Fraker, Aaron C. Sedgwick 2012-3-22 018 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  JOTR31811  Psorothamnus schottii La Doux, Tasha, Bill Truesdell 2007-11-9 2519 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; Mouth of canyon parallel to and east of Lost Palms Canyon (Stop 4) 649 Comment
  POM1898  Psorothamnus schottii Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. Comment
  CAS-BOT-BC421259  Pterostegia drymarioides A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19889 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  RSA678424  Pterostegia drymarioides Michael Wall 2003-4-15 266 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  UCR102756  Pterostegia drymarioides B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3578 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
  UCR87623  Pterostegia drymarioides A. C. Sanders 1994-5-30 14611 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR95483  Purshia stansburyana Steve Boyd, Lorrae Fuentes 1996-5-2 8764 Riverside Peninsular Range; Santa Ana Mtns., Along the Main Divide Road c. 3.5 mi NW of Morrell Potrero Comment
  CAS-BOT-BC61816  Quercus agrifolia Louis C. Wheeler 1964-11-28 8649 Riverside Temescal valley: Wright Ranch Comment
  UCD45052  Quercus agrifolia K. R. Montgomery 1969-7-9 69 26 Riverside Wilson Valley. Elev. C. 3500', 18 miles south of Hemet, Riverside County, California. 1066 Comment
  UCR260590  Quercus agrifolia A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41559 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Canyon NW of Horsethief Canyon Rd. along DePalma Rd., SE of Glen Eden Rd. and south of the east end of Lee (Corona) Lake, south side of I-15 370 Comment
  UCR158903  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31554 Riverside San Jacinto Mtns., Poppet Flat below Hwy 74 along Poppet Flat Rd. 1098 Comment
  UCR168032  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 05- 580 Riverside San Bernardino National Forest: San Jacinto Mountains, 2.3 mi. west of Santa Rosa Mountain Rd on SR 74 at Vandeventer Flat 1430 Comment
  RSA666650  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
  RSA717583  Quercus berberidifolia A. C. Sanders 2004-4-9 27456 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  SD136833  Quercus berberidifolia Steve Boyd 1994-10-14 8399 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, San Mateo Canyon, along San Mateo Trail between north branch of Tenaja Trail & Fisherman's Camp, on mesic north-facing slope 427 Comment
  SD248433  Quercus berberidifolia Jeremiah George 2012-8-8 80812 1 Riverside Moreno Badlands: San Timoteo Canyon, south of E Casco So. Calif. Edison substation, west side of San Timoteo Creek, west of dirt SCE line access road. 655 Comment
  SD253459  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812 33 Riverside Western Riverside County: Badlands wouth of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero. 751 Comment
  RSA39266  Quercus engelmannii P. A. Munz 1946-10-18 11559 Riverside On grade 0.5 mile south of Sage 716 Comment
  UCD46037  Quercus engelmannii Jack Easton 1989-4-18 s.n. Riverside Antelope Valley area N of Murrieta. Ca. 1.5 mi NW of intersection of Antelope Road and Hwy I-15, and due N of intersection of Nutmeg and Jackson Streets. 396 Comment
  UCR262458  Quercus engelmannii Cecile Shohet 2015-6-24 s.n. Riverside Beaumont, NW of 'Plantation on the Lake' mobile home park, south of I-10, east of Cherry Valley Blvd., west of Plantation Dr., under powerlines 728 Comment
  UCR60981  Quercus engelmannii B. G. Pitzer 1988-6-8 1044 Riverside Rancho California area, avocado groves south of Avenida del Oro, just Calle Capistrano Comment
  RSA761235  Quercus kelloggii Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 718 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC6365  Quercus macdonaldii var. elegantula E. L. Greene Mar. 27 s.n. Riverside Temecula Canyon Comment
  CAS-BOT-BC104998  Quercus wislizeni C. B. Wolf 1931-10-14 2453 Riverside Snow Crrek, 100 yds. above the Fish Hatchery, N base of San Jacinto Mts. 609 Comment
  UCR96263  Quercus wislizeni Scott D. White 1996-8-1 4445 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  UC1135917  Quercus wislizeni var. frutescens A. Lewis Mar 1934 370 Riverside Mojeska Peak Cleveland National Forest, Corona Quad. 1219 Comment
  UCR171  Quercus wislizeni var. frutescens Frank C. Vasek 1955-5-21 215 Riverside San Jacinto Mtns, 1 mile east of Santa Rosa Summit 1463 Comment
  RSA0108819  Rafinesquia neomexicana Duncan S. Bell, Amanda Turek 2009-3-30 184 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA176348  Rafinesquia neomexicana R. F. Thorne 1963-3-29 32382 Riverside 7-8 miles east of Mecca, Mecca Hills 152 Comment
  UCR176923  Rafinesquia neomexicana Mitch Provance, J. S. Ross 1998-3-27 MOR- 941 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  SEINET1909588  Ranunculaceae A. C. Sanders 2004-1 27558 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
  RSA0013021  Ranunculus californicus LeRoy Gross, Grace Cho 2013-4-9 6006 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
  UC219555  Ranunculus eschscholtzii var. oxynotus P. A. Munz 1922-7-7 6042 Riverside San Jacinto Peak San Jacinto Mts. (near the summit) 3285 Comment
  CLARK-A1528-802  Rhamnus crocea Stanley W. Austin 1969-5-15 42 Riverside Santa Ana Mountains 0 Comment
  RSA735078  Rhamnus crocea Scott D. White, Angelia Carey 2004-6-4 10480 -A Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  SD229248  Rhamnus ilicifolia Dick Schwenkmeyer 2012-3-26 672 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  SDSU10377  Rhamnus ilicifolia H. Wedberg 1962-4-20 901 Riverside 8.4 miles from Hwy 79 in Hemet, and 0.5 mile from Cranston Ranger Station on road to Idyllwild. 610 Comment
  UCR138608  Rhamnus ilicifolia D. L. Banks 1996-11-7 1195 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, at the spring on the N fork of Pechanga Creek at the E end of the Reservation 494 Comment
  UCR193919  Rhamnus ilicifolia A. C. Sanders, Mitch Provance 2008-7-11 35790 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
  VVC689  Rhus lancea P. J. MacKay, T. Thomas 1997-2-8 107 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  CAS-BOT-BC167935  Rhus ovata Munz; Harwood 1920-2-28 3263 Riverside 2 mi. S.W. of Corona 304 Comment
  RSA650224  Rhus ovata W. A. Reinke 1971-5-8 s.n. Riverside 7mi. N. of 2nd St. on [Highway] 71-74, Elsinore. Comment
  UCR115380  Rhus ovata June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Santiago Peak 1732 Comment
  UCR177109  Rhus ovata Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1108 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  UC1130542  Rhus trilobata A. Lewis May 1934 443 Riverside 1 mi e Ortega Highway; Cleveland National Forest 944 Comment
  RSA543129  Ribes indecorum Steve Boyd, C. Boyd, K. A. Boyd 1991-3-16 5469 Riverside Cahuilla Mountain between Anza and Hemet, SW of Bautista Cyn. 1067 Comment
  UC1608282 Image available Ribes indecorum Steve Boyd, Tim Ross 1993-2-22 7720 Riverside w Perris (in canyon along Santa Rosa road beween Gavilan Plateau and road to Steele Valley); Gavilan Hills 624 Comment
  UC11635  Ribes nevadense H. M. Hall July, 1901 2423 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1524 Comment
  UCSB2648  Ribes nevadense Ralph, F. 1959-5-16 Riverside growing near Jolley Springs; on The Devil's Slide Trail; in the Wilderness area of Mt. San Jacinto State Park; San Jacinto Mtns 2133 Comment
  POM17830  Ribes roezlii P. A. Munz, D. D. Keck 1923-6-14 7069 Riverside Santiago peak, Santa Ana Mountains. 1616 Comment
  CAS-BOT-BC186239  Ribes roezlii var. roezlii Carl B. Wolf 1932-8-5 3969 Riverside San Jacinto Mts. On trail from Tahquitz Valley to San Jacinto Peak 2804 Comment
  RSA674804  Robinia pseudoacacia Scott D. White 2001-6-29 8624 -A Riverside Meniffe Valley: About 1.4 air mi SW of the I-215/ Newport Rd. Interchange, northwest of the intersection of HollandRd. and Bradley Rd. 439 Comment
  UCR217533  Romneya coulteri Diane Menuz 2009-5-4 490 Riverside Peninsular Range, Estelle Mtn., c. 1.52 km east of Hwy. 15, c. 2.10 km south of Cajalco Rd., north of Olsen Canyon 382 Comment
  RSA0018994  Rorippa Steve Boyd, Gary D. Wallace 2005-7-30 11650 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  CSUSB1436  Rorippa nasturtium-aquaticum Rand Ch. Isbell 1970-5-24 15 Riverside In stream in canyon near the Watkins Drive offramp of State highway 395 320 Comment
  RSA761753  Rosa californica Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 648 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC12850  Rosa californica H. M. Hall July, 1901 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along watercourses) 1615 Comment
  UC914715  Rosa californica I. W. Clokey and E. G. Anderson 1935-8-21 6743 Riverside North Fork San Jacinto River 1500 Comment
  POM366414  Rubus parviflorus N. C. Cooper 1949-6-29 4338 Riverside Pine Cove. 1829 Comment
  RSA802093  Rumex acetosella Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4986 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  RSA0049527  Rumex californicus John Roos 1952-5-26 5719 Riverside Haas' Ranch, Reche Canyon. 457 Comment
  RSA662065  Rumex conglomeratus J. C. Roos 1952-6-10 5759 Riverside Fairmount Park Comment
  UCR138814  Rumex hymenosepalus D. L. Banks 1997-2-17 1278 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. Along Pechanga Rd. in the Reservation, c. 10 m west of the Pechanga Tribal Government Center 367 Comment
  UCR241057  Rumex maritimus John F. Green 2013-5-17 s.n. Riverside Peninsular Range, near intersection of Temescal Canyon Rd. and Campbell Ranch Rd. 329 Comment
  RSA690941  Rumex salicifolius Scott D. White, Michael Honer 2003-5-27 9395 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  UC1178453  Rumex salicifolius var. salicifolius Peter Kamb 1948-7-10 1185 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UCR113884  Salix exigua Mitch Provance, A. C. Sanders 2000-7-4 2018 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UC494349  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside 4.8 km. n Arlington (on rd. to Pedley, 4 mi w of Riverside, e side of bridge over Santa Ana R., down embankment either side of hwy.) 240 Comment
  CAS-BOT-BC108120  Salix gooddingii Marjorie Clary 1934-3-3 s.n. Riverside Carrizo Canyon [Canon], 18 mi. w. of Indio 304 Comment
  RSA33367  Salix gooddingii N. C. Cooper 1943-9-26 931 Riverside Cabazon. 549 Comment
  SD229279  Salix gooddingii Dick Schwenkmeyer 2012-11-6 882 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
  CSUSB807  Salix lasiolepis P. A. Rauch 1966-4-5 Riverside One mile north of Idyllwild on Highway at Bear Trap Canyon Crossing. 1755 Comment
  CAS-BOT-BC128377  Salix lasiolepis var. lasiolepis Joseph Andorfer Ewan 1933-3-19 10902 Riverside Santa Ana River bottoms at Prada Comment
  CAS-BOT-BC128444  Salix lasiolepis var. lasiolepis Marian L. Campbell 1921-3-19 38 Riverside Banning Comment
  POM362681  Salix lucida subsp. lasiandra H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon. 549 Comment
  UCR160884  Salix lucida subsp. lasiandra T. B. Salvato, Kelly Volansky 2004-11-17 113 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR18403  Salix lutea var. watsonii A. C. Sanders 1978-5-20 997 Riverside San Jacinto Mtns, James Reserve, beside Indian Creek where road crosses 1646 Comment
  CDA21321  Salsola australis L. Smith 2004-8-17 s.n. Riverside South Coast Region; Corner of Iowa St. and Martin Luther King Blvd., Riverside. 303 Comment
  POM12755  Salsola tragus P. A. Munz 1922-7-3 5947 Riverside Vandeventer Flat 1372 Comment
  SD215602  Saltugilia australis Steve Boyd, Tim Ross, et al. 1999-4-2 4038 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79. 487 Comment
  RSA0094964  Saltugilia australis E. S. Spalding 1925-1 s.n. Riverside San Jancinto Mts. Comment
  IRVC2065  Salvia apiana R. H. Whittaker, W. A. Niering 1963-6-6 SJ 248 Riverside 5509, Bee Canyon. San Jacinto Mountains 610 Comment
  RSA613860  Salvia apiana Scott D. White, Julie Greene 1997-3-12 4779 Riverside Sun City: near I-215 Freeway, S of Perris and N of Menifee. Low hills E of Bavaria Dr. 488 Comment
  SEINET3225666 Image available Salvia apiana C. L. Hitchcock 1940-4-12 6045 Riverside 8 mi. northwest of Elsinore. 460 Comment
  UC76195  Salvia apiana Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR156090  Salvia apiana T. B. Salvato, Kent Beaman 2005-5-16 805 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
  UCR18808  Salvia apiana John C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mtns., Dos Palmas Spring Comment
  UCR42549  Salvia apiana B. G. Pitzer 1986-4-26 0186 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  RSA4382  Salvia columbariae Dorothy R. Wolf 1932-3-20 28 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  SEINET3242546  Salvia columbariae Norman C. Cooper 1944-1 1006 Riverside Cabazon, Riverside Co. 457 Comment
  UC1124723  Salvia columbariae H. S. Yates 1937-3-23 6411 Riverside 3 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UCD125738  Salvia columbariae Evert I. Schlinger 1952-3-28 27 Riverside Perris. 443 Comment
  RSA0051567  Salvia columbariae Norman Lederer 1950-4-30 s.n. Riverside Palms to Pines Highway. Comment
  UCR89534  Salvia dorrii var. pilosa Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Lost Horse Valley, along Cal Riding and Hiking Trail, just east of Ryan Campground 1341 Comment
  UCR17248  Salvia eremostachya Bonner Blong 1966-5-13 660513- 14 Riverside Santa Rosa Mtns, Martinez Canyon, below upper cabin on bench on south side of canyon 884 Comment
  RSA45227  Salvia greatae J. C. Roos 1949-3-19 4101 Riverside Salt Creek Wash, about 7 miles northeast of Dos Palmos Spring. Comment
  SD49879  Salvia greatae Peter H. Raven 1958-5-5 12907 Riverside East of Coachella Canal 3.6 miles on a road up the south side of the Orocopia Mountains. Comment
  SEINET4853918  Salvia greatae Unknown 1905-4-22 5848 Riverside 4 miles northeast of Dos Palmos. Comment
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Dec 11 2019
  RSA605760  Salvia mellifera Scott D. White 1996-3-16 3823 Riverside Lakeview Mountains: Perris Basin, Lakeview Mts, N of Winchester, at ''Maze Stone'' Picnic Area 610 Comment
  UCR120296  Salvia mellifera Mitch Provance 1998-2-13 16 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  UCR97687  Salvia mellifera A. C. Sanders, G. Helmkamp 1997-3-15 19926 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  RSA125249  Salvia vaseyi E. K. Balls, P. C. Everett 1957-8-20 22670 Riverside 6.6 mi. sw. along State Hwy. 74 from Palm Village (jct. State Hwy. 111). 503 Comment
  SEINET5265990  Salvia vaseyi Unknown 1995-5-3 1404 Riverside S of Palm Desert, at desert lookout over Coachella Valley along Hwy 74 Comment
  CAS-BOT-BC238857  Sambucus nigra subsp. caerulea B. Pitzer 1997-4-1 3053 Riverside Lakeview Mtns, ca. .75 air mi. SSW of Mt. Rudolph, ca. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  SD185178  Sambucus nigra subsp. caerulea T. B. Salvato, Kent Beaman 2005-5-16 769 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA 74. 548 Comment
  UC337556  Sanicula bipinnatifida unknown 1882-5-16 67 Riverside San Gorgonio Pass Comment
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Mar 9 2011
  SD133203  Sanicula crassicaulis Scott White 1991-5-13 91 79 Riverside Highway 79 immediately west of U.S. Forest Service Campground at Dripping Springs. 550 Comment
  RSA249824  Sarcodes sanguinea R. F. Thorne, C. W. Tilforth, J. P. Simon 1969-6-24 38122 Riverside San Bernardino National Forest, San Jacinto Mountains.: Above and in James Reserve. 1677 Comment
  UC566925  Sarcostemma cynanchoides subsp. hartwegii H. L. Mason 1926-5-2 3193 Riverside Aguanga Valley Comment
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Nov 16 2011
  RSA180270  Satureja chandleri E. W. Lathrop 1965-4-18 5654 Riverside 10 miles west of Murrieta. Comment
  UCR35277  Saxifraga californica L. B. Ziegler 1974-4-2 523 Riverside San Jacinto Mountains, foothills of the San Jacinto Mountains, hillside slopes of lower Bautista Canyon 612 Comment
  RSA650259  Schinus molle Bennie Finnell 1948-4-21 s.n. Riverside Found on any street in Corona. 213 Comment
  CDA2418  Schismus arabicus G. D. Barbe 1984-2-7 4133 Riverside 2 miles northeast of Desert Center. 0 Comment
  SD247292  Schismus arabicus T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7298 Riverside Sonoran (Colorado) Desert: south of Hwy-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road (East of Aztec Mines 7.5'Q) 136 Comment
  UCR133918  Schismus arabicus June Latting 1978-4-30 s.n. Riverside Sonoran (Colorado) Desert, Chiriaco Summit 518 Comment
  UCR112018  Schismus barbatus A. C. Sanders, G. Helmkamp 1997-3-15 19922 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  UCR97244  Schismus barbatus Scott D. White 1997-2-28 4719 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR92742  Schoenoplectus acutus var. occidentalis A. C. Sanders 1995-11-26 17915 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  CAS-BOT-BC111579  Schoenoplectus americanus P. A. Munz; Street; Williams 1919-3-26 2335 Riverside Figtree John's Spring near Salton Sea standing in water. -60 Comment
  POM320443  Scirpus microcarpus Worthman 1968-5-16 154 Riverside 4.4 miles west of Murrieta. 320 Comment
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Jun 16 2013
  UCR264634  Scirpus microcarpus Mitch Provance 2012-6-19 196- 01 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  UCR59805  Scirpus microcarpus Jeri Hirshberg 1989-7-25 s.n. Riverside Peninsular Range, Marsh near SW edge of Vail Lake Comment
  UCR41319  Scrophularia californica N. M. Fellows, A. C. Sanders 1985-5-7 180 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  UCSB46710  Scrophularia californica Reimer, Neil 1977-5-13 Riverside In Box Springs Mt. Park Comment
  POM11518  Scrophularia californica subsp. floribunda Philip A. Munz 1922-7-1 5933 Riverside Santa Rosa Mountains, Old Nicholas Canyon. 1463 Comment
  UC456122  Scutellaria siphocampyloides I. J. Condit 1900-6-21 Riverside near Idlewild; San Jacinto Mountains 1524 Comment
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Sep 17 2011
  UCR95960  Scutellaria siphocampyloides Scott D. White 1996-8-1 4414 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  CAS-BOT-BC62046  Selaginella bigelovii Louis C. Wheeler 1933-12-2 2298 Riverside Tahquitz Canyon, San Jacinto Mts. 243 Comment
  SD138963  Selaginella bigelovii Craig Reiser 1993-3-19 Riverside Near Highway 62 west of Morongo Valley Comment
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Feb 29 2008
  VVC2879  Selaginella bigelovii Tim Thomas, P. J. MacKay 2010-4-12 5053 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA0041946  Selaginella eremophila Duncan S. Bell, Loraine Washburn 2014-4-9 6589 Riverside Orocopia Mountains; northeast section of range; approximately 3.75 air miles south of Hayfields Lake. 551 Comment
  RSA85940  Selaginella eremophila Frank W. Peirson 1920-2-15 1531 Riverside Tahquitz Canyon near Palm Springs Comment
  UCR89386  Selaginella eremophila A. C. Sanders, P. J. MacKay, O. F. Clarke, S. D. White, C. L. Sanders 1994-11-27 15866 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  UCR123225  Senecio californicus D. E. Bramlet 1993-4-15 2329 Riverside Gavilan Hills, eastern Lake Mathews area, 2 km west of El Sobrante Rd. and 335 m north of Cajalco Road, 1.2 km west of the entrance gate and 152 m south of the access road 439 Comment
  CAS-BOT-BC323974  Senecio flaccidus var. douglasii H. M. Hall 1901-6-1 2009 Riverside San Jacinto Mountains. Canyon of the San Jacinto River. 609 Comment
  CAS-BOT-BC323993  Senecio flaccidus var. douglasii C. L. Hitchcock 1940-4-5 5964 Riverside 3 mi. below Cottonwood Springs. Comment
  JEPS30416  Senecio flaccidus var. douglasii Donald Kyhos 1958-5-23 58 -189 Riverside Banning, bank of San Gorgonio River San Gorgonio River Comment
  LA203924  Senecio flaccidus var. douglasii C. B. Wolf; 1931-10-14 2461 Riverside San Gorgonio Pass, roadside at Cabazon 518 Comment
  UCR89692  Senecio flaccidus var. douglasii Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Park, east side of Hexie Mountains, in Porcupine Wash, on hike from Ruby Lee Well Road 732 Comment
  OBI52131  Senecio flaccidus var. monoensis Larry Kelly, David J. Keil 1988-4-16 51 Riverside ca. 5 mi from hwy 10 on road through Ocatillo garden, and cholla patch in Joshua tree national monument Comment
  SJSU11728  Senecio flaccidus var. monoensis R. C. McGehee 1970-4-28 236 Riverside 2-5 miles south of Cottonwood Pass Comment
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Aug 30 2013
  RSA709853  Senecio mohavensis Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4633 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  SBBG8769  Senecio mohavensis H. and M. Dearing 1942-3-12 4831 Riverside Palms to Pines Hwy 426 Comment
  SD258896  Senecio mohavensis Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7650 Riverside Mecca Hills; Side canyon along Painted Canyon Road NE of Mecca, NW of Box Canyon, Near Tertiary Mecca formation (shale, red-gray sandstone conglomerate) & Upper Ocotillo Formation 170 Comment
  UCR279582  Senecio mohavensis A. C. Sanders, Jim Malusa 2017-3-28 43153 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
  UCD108465  Senegalia greggii R. Tofsrud 1950-4-1 s.n. Riverside 15 miles N of Blythe, Hwy. 95. Comment
  RSA5415  Senna armata Carl B. Wolf 1932-10-12 4292 Riverside Open Valley at junction of roads to Gold coin mine and Pinyon Well, Little San Bernardino Mts. 1067 Comment
  UCR48501  Sesuvium verrucosum Steve Boyd 1986-4-19 1714 Riverside Peninsular Range, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road 366 Comment
  SD126131  Setaria adhaerens A. C. Sanders 1988-11-6 8740 Riverside Coachella Valley, west side of Highway 86, 6.25 miles south of its junction with Highway 111 in Coachella and 3.85 miles north of Valerie Jean, 0.55 mile north of Ave. 60. -10 Comment
  UCR157942  Setaria adhaerens T. B. Salvato, A. C. Sanders 2005-5-17 911 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
  UCR100569  Sibaropsis hammittii Steve Boyd, T. S. Ross 1992-3-31 6771 Riverside Santa Ana Mtns, Elsinore Peak 1024 Comment
  UCR112824  Sidalcea malviflora A. C. Sanders 1997-5-1 20611 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  SEINET3451372  Sidalcea malviflora subsp. sparsifolia Steven R. Hill, Andrew C. Sanders 2001-5-4 33717 Riverside Santa Rosa Plateau, Santa Rosa Plateau, eastern rim, 2 miles west of the junction of Rancho California Road and interstate 15, north side of Avenida del Oro, just east of the junction with Sandia Creek Drive 470 Comment
  UC63862  Sidalcea malviflora subsp. sparsifolia H. M. Hall May 1899 Riverside San Jacinto Mountains Comment
  SBBG62402  Sidotheca trilobata P. A. Munz 1927-5-21