Search Results — 2000 specimen records retrieved (1918 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR67737  Abies concolor Frank C. Vasek 1977-11-25 771125- 09 Riverside San Jacinto Mtns., area around Cinco Posos Spring below Black Mountain look-out Comment
  CAS-BOT-BC229333  Abronia villosa J. Von Loh 1978-1-23 3297 Riverside Palo Verde Mesa, 12 mi SW of Blythe 121 Comment
  CLARK-A1528-3257  Abronia villosa John C. Roos 1949-3-26 4124 Riverside Indio Comment
  CSUSB580  Abronia villosa Steve Stadler 1966-2-27 022766 19 Riverside East of Indio; 20 yards off Indio-Desert Center Road; 100 yards east of the road's intersection with the Coachella Canal. Comment
  SFV1119  Abronia villosa P. G. Kilburn 1959-5-16 797 Riverside Colorado Desert Agua Caliente Indian Reservation land some 5 miles south of Palm Springs at fork in road where Andreas Road meets Palm Canyon Road. 175 Comment
  UC212904  Abronia villosa S. B. Parish 1918-4-3 11703 Riverside San Jacinto Plains, Italian Wash Comment
  UCR215643  Abronia villosa Bao Doan 2010-5-31 12 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. at San Gorgonio River wash crossing 473 Comment
  UCR234257  Abronia villosa var. aurita A. C. Sanders 2012-4-12 40024 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 314 Comment
  UCR41842  Acamptopappus sphaerocephalus A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 06044 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, west side of the Chuckwalla Mtns., 6 mi. south of Hwy I-10 on gasline road; 1/2 mi. NW of Model Mine 520 Comment
  UCSB38736  Acamptopappus sphaerocephalus Cowan, Clark 1978-4-23 Riverside 12.2 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy. 11 at Indian Wells 950 Comment
  UCSB6737  Acamptopappus sphaerocephalus Krogen, Roger 1957-1 Riverside Whitewater Canyon 2 mi. N of Hwy 60-70 near Whitewater P.O. Comment
  SEINET11854510  Acamptopappus sphaerocephalus Unknown 1936-1 12815 Riverside Colorado Desert, N of Palm Springs Comment
  RSA416161  Acamptopappus sphaerocephalus var. sphaerocephalus Ora M. Clark 1923-2-23 1546 Riverside south of Cabazon Colorado Desert Comment
Read comments
Mar 13 2011
  SD73604  Acamptopappus sphaerocephalus var. sphaerocephalus Helen V. Witham 1970-4-29 835 Riverside Hwy 74, about 20 miles east of Lake Hemet. 1299 Comment
  UC29244  Achillea millefolium H. M. Hall 1901-7-20 2507 Riverside Strawberry Valley; San Jacinto Mts 1615 Comment
  POM1068  Achnatherum coronatum H. M. Hall 1901-06 2078 Riverside South side of San Jacinto Mountains. 1463 Comment
  RSA494635  Achnatherum coronatum Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  RSA770431  Achnatherum coronatum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4868 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
  CAS-BOT-BC260328  Achnatherum hymenoides Marcus E. Jones 1903-5-11 s.n. Riverside Colorado Desert. Whitewater, about station 304 Comment
  UCD104369  Acmispon strigosus Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-1 3177 Riverside Vail Lake area. 487 Comment
  UCR89856  Acourtia microcephala Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3314 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
  CDA6752  Acroptilon repens Steve Boyd 1989-7-6 3758 Riverside South of Jurupa Road, east of intersection with Van Buren Avenue, City of Riverside. 0 Comment
  CAS-BOT-BC139866  Adenostoma sparsifolium H. E. McMinn 1925-7-2 1521 Riverside [Idylwild] Idyllwild grade - San Jacinto Mts. Comment
  CAS-BOT-BC139871  Adenostoma sparsifolium Louis C. Wheeler 1941-10-4 175 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 1371 Comment
  UCR158897  Adenostoma sparsifolium A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31547 Riverside San Jacinto Mtns., Vandeventer Flat along Hwy 74, 1.2 mi. west of Santa Rosa Mtn. Rd., just west of entrance to Santa Rosa Indian Reservation 1402 Comment
  SEINET2046271 Image available Agave deserti John Adams 1965-5-9 204 Riverside Santa Rosa Mountains, Hwy 74, ca. 8 mi. S of Palm Desert 915 Comment
  UC4152  Agave deserti H. M. Hall Jun 1901 2117 Riverside e base San Jacinto Mountains (along the borders of the Colorado Desert); Colorado Desert Comment
  RSA559431  Agoseris grandiflora Bob Boyd 1992-5-5 7223 Riverside San Mateo Canyon wilderness Area. Oaks Flats area east of Verdugo Potrero. 732 Comment
  RSA192013  Agoseris heterophylla var. heterophylla E. W. Lathrop 1966-5-8 6267 Riverside 5 miles west of Murrieta. Comment
  CLARK-A1528-1531  Agoseris retrorsa John C. Roos 1937-4-18 1362 Riverside Cabazon Comment
Read comments
Jun 10 2015
  RSA0050594  Agrostis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35658 Riverside May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  UCR195096  Agrostis exarata A. C. Sanders, Tim Thomas 2008-8-1 35949 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  UCSC000096  Agrostis hyemalis August L. Hormay 1932-8-8 s.n. Riverside Tahquitz Valley Comment
  RSA740791  Agrostis stolonifera Scott D. White, Justin M. Wood 2008-7-9 12419 Riverside Johnson Meadow 1415 Comment
  RSA469422  Aliciella latifolia M. B. Dunkle 1933-3-4 3055 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA0108827  Allionia incarnata Duncan S. Bell, Amanda Turek 2009-3-30 173 Riverside Southeast section of the Arica Mountains; approximately 1.25 air miles southwest of Priest Well. 349 Comment
  UC1595727  Allionia incarnata W. Wisura, J. Dolan, M. Wall 1992-3-25 4653 Riverside 2.7 mi s of prison on Wileys Well Road Wileys Well Road Comment
  UCR163873  Allionia incarnata B. G. Pitzer 2000-11-4 4241 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  UCR90327  Allionia incarnata Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 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
  JOTR35381  Allionia incarnata var. incarnata Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 169 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  UC63836  Allium burlewii H. M. Hall 1901-6 2310 Riverside ridges and peaks near Tauquitz; San Jacinto Mountains 1981 Comment
  POM14403  Allium cratericola Philip A. Munz, I. M. Johnston 1922-5-21 5512 Riverside Kenworthy, San Jacinto Mountains. 1418 Comment
  SD130878  Allium fimbriatum var. munzii Craig Reiser 1991-4-25 Riverside Gavilan Plateau, south edge of Harford Springs Park, south of Ida Leona Road, east of Gavilan Road. Rocky opening in chaparral. (IPB 2/08) Comment
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Apr 2 2011
  RSA70222  Allium haematochiton F. W. Peirson 1921-3-19 2394 Riverside 4 miles west of Beaumont, on road to Redlands. Comment
  RSA70224  Allium haematochiton F. W. Peirson 1919-4-14 1652 Riverside Murray Canyon, Palm Springs Region. 457 Comment
  RSA559356  Allium lacunosum var. davisiae Steve Boyd 1992-5-15 7386 Riverside Southern Santa Ana Mountains, southeastern flank of Elsinore Peak at Onion Hill , a grassy knoll about 1/4 mile E of radio towers, along old Main Divide Road track 1021 Comment
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Apr 7 2011
  RSA343873  Allium lacunosum var. lacunosum Robert F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60652 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  UCR156477  Allium munzii Jason L. Hlebakos 2005-5-3 618 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  RSA613863  Allium peninsulare B. Pitzer 1997-4-12 3123 Riverside Pulsar View Road, (at end of Warren Road) Ca. 1 mile (air) N of Juniper Flats Road., 33 deg N 117 deg 5.53 W 518 Comment
  RSA556518  Allium praecox Julie Greene 1993-4-10 1130 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. El Casco 7.5 USGS Quad. R2W, T3S, Center of the SW/4 of Section 29. 475 Comment
  UC3117  Allium praecox Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA678943  Allophyllum Scott D. White, Michael Honer 2003-6-3 9487 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR275933  Allophyllum divaricatum T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3784 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  SD107766  Allophyllum glutinosum C. W. Tilforth, B. Busenberg 1980-6-10 1978 Riverside 0.1 mile in from Highway 74 on north leg ot Thomas Mountain Road, 1.0 mile south of Lake Hemet. 1387 Comment
  UC908792  Allophyllum glutinosum Herbert L. Mason 1926-4-30 3131 Riverside 2 mi. s. Temecula Comment
  RSA5485  Alnus rhombifolia C. B. Wolf 1932-5-24 3649 Riverside 1/2 mile below the fish hatchery, Snow Creek, north base of San Jacinto Mts. 549 Comment
  RSA762007  Alnus rhombifolia Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 659 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR138611  Alnus rhombifolia D. L. Banks 1996-11-7 1189 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, c. 200 m NW of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 457 Comment
  POM48599  Amaranthus blitoides Mary F. Spencer 1919-7-9 1270 Riverside In sandy fields. San Jacinto. 305 Comment
  UCR119444  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23101 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  RSA0078231  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7584 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  RSA356608  Amaranthus fimbriatus R. F. Thorne 1966-10-15 41817 Riverside Palm Springs. Comment
  RSA484737  Amaranthus fimbriatus A. C. Sanders 1988-10-22 8723 Riverside Pinyon Flats area Santa Rosa Mountains, along the trail about 1/2 mi. W of the Dolomite Mine. 1200 Comment
  UC1563107  Amaranthus retroflexus Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-10 3662 B Riverside Temecula Creek canyon, below the dam Vail Lake Area 457 Comment
  CDA9954  Ambrosia acanthicarpa R. D. Goeden 1966-10-27 s.n. Riverside UCR Campus Comment
  RSA416903  Ambrosia acanthicarpa H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass Comment
Read comments
Nov 2 2011
  UCR106907  Ambrosia acanthicarpa D. L. Banks, L. Raz 1996-11-5 1174 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, east of San Gabriel Church; along main road in the Reservation; c. 20 m east of its intersection with Pechanga Creek 393 Comment
  UCR22008  Ambrosia acanthicarpa Steve Boyd 1980-9-8 346 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  CAS-BOT-BC22580  Ambrosia dumosa Marcus E. Jones 1929-9-16 25074 Riverside E of Desert Center Comment
  CAS-BOT-BC22597  Ambrosia dumosa Roxana S. Ferris 1918-6-17 1002 Riverside 5 miles E of Gruendikes Well on Mecca-Blythe Road Comment
  CAS-BOT-BC22611  Ambrosia dumosa Alice Eastwood 1913-4-30 2990 Riverside Palm Springs Comment
  CLARK-A1528-5217  Ambrosia dumosa John C. Roos 1937-4-28 766 Riverside Hayfield Comment
  RSA766670  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-22 162 Riverside Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak. 213 Comment
  UC724343  Ambrosia dumosa Aven Nelson, Ruth A. Nelson 1939-3-28 3297 Riverside near n end, on Hwy 111, Salton Sea Comment
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Jul 14 2012
  UCR238482  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 168 Riverside Sonoran (Colorado) Desert, McCoy Wash, north of Hwy I-10, road north from Black Rock Road, south side of private land boundary 244 Comment
  POM41983  Ambrosia ilicifolia Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UCR142120  Ambrosia ilicifolia June Latting 1979-3-25 s.n. Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. 488 Comment
  RSA788982  Ambrosia salsola Aaron C. Sedgwick, David Fraker 2012-3-28 24 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UC809697  Ambrosia salsola var. salsola E. K. Balls 1949-4-2 12904 Riverside open slopes towards Salton Sea near Durmid (on Hwy 111); Colorado Desert -67 Comment
  IRVC26145  Amelanchier utahensis Art Whistler 1966-5-8 15 Riverside downstream from Lake Fulmor, Route 74. Peninsular Ranges/ San Jacinto Mountains 1585 Comment
  UCR128294  Amelanchier utahensis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8635 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  UCR19670  Amelanchier utahensis Art Whistler 1966-5-8 s.n. Riverside Peninsular Ranges/ San Jacinto Mountains, downstream from Lake Fulmor, Route 74 1585 Comment
  CAS-BOT-BC180628  Amorpha californica var. californica Philip A. Munz 1938-8-14 15375 Riverside Ridge east of Toro Peak, Santa Rosa Mts. 2286 Comment
  POM19489  Amorpha fruticosa Mary F. Spencer 1923-8-17 2191 Riverside Pipe creek, pr. [prope (near)] Thomas Valley, San Jacinto Mt. 1433 Comment
  HSC3515  Amsinckia intermedia C. L. Hitchcock, C. V. Muhlick 1964-3-22 23248 Riverside Side canyon near S entrance to Joshua Tree National Monument Comment
  RSA0089609  Amsinckia intermedia Steve Boyd 1986-3-9 1391 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  RSA0089620  Amsinckia intermedia W. Wisura, A. King, L. Newcomb 1992-4-10 4675 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  RSA339325  Amsinckia menziesii R. F. Thorne, C. W. Tilforth 1980-5-28 54205 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
  UCR250911  Amsinckia retrorsa A. C. Sanders 2014-4-18 41028 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, SE of Lee (Corona) Lake 375 Comment
  SEINET12519219  Amsinckia tessellata A. C. Sanders, Pitzer, Charlton & Kniffen 1986-1 6104 Riverside Corn Spring, Chuckwalla Mountains. Comment
  UCR65284  Amsinckia tessellata var. tessellata Steve Boyd, D. E. Bramlet, Harry Spilman 1989-4-30 3512 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, N edge of the Gavilan Plateau, east of Gavilan Creek 610 Comment
  CHSC100  Amsonia tomentosa M. Anthony 1954-4-14 Riverside Near Joshua Tree National Monument. 762 Comment
  UC667283  Amsonia tomentosa Annie M. Alexander and Louise Kellogg 1941-5-23 2224 Riverside 1/2 mi. n. Cottonwood Spring (Eagle Mt.); Colorado Desert, Eagle Mt. 914 Comment
  UC68764  Amsonia tomentosa H. M. Hall May, 1905 6006 Riverside Cottonwood Pass Colorado Desert, Cottonwood Pass 701 Comment
  RSA586309  Anagallis arvensis D. L. Banks, S. D. Boyd 1995-5-3 220 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
  RSA296116  Andropogon glomeratus B. A. Prigge 1980-8-11 3887 Riverside San Bernardino Mountains, Whitewater Canyon: 1.1 miles N of Interstate 10. 473 Comment
Read comments
Jan 14 2010
  UCSC003150  Angelica tomentosa Peter Kamb 1948-10-31 1282 Riverside Hall Canyon, San Jacinto Mountains 1646 Comment
  SEINET10721353  Antennaria David B. Dunn 1946-8-18 Dunn 2759 Riverside Comp. on open dry pine floor. On East trail from Round meadow to Mt. San Jacinto Mts. 2743 Comment
  RSA425776  Antirrhinum coulterianum Ora M. Clark 1929-3-16 1686 Riverside Near Cabazon, Colorado Desert. Comment
  RSA425797  Antirrhinum coulterianum R. S. Woglum 1937-5-22 536 Riverside Anza, Cahuilla Valley. Comment
  UC284974  Antirrhinum coulterianum P. A. Munz 1923-6-14 7106 Riverside trail from Glen Ivy to Santiago Peak; Santa Ana Mts. 914 Comment
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Apr 1 2013
  UCR135991  Antirrhinum coulterianum Virginia Moran 2003-4-30 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCR160124  Antirrhinum coulterianum J. Chandler 2003-6-24 1261516 Riverside Peninsular Range, Vacant lot across from 42525 Wildwood Lane, Aguanga 1006 Comment
  POM177870  Antirrhinum filipes Marcus E. Jones 1930-4-2 s.n. Riverside Hayfields Comment
Read comments
Sep 16 2011
  RSA425818  Antirrhinum filipes F. R. Fosberg 1932-3-13 8084 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA650898  Antirrhinum filipes W. M. Zabriskie 1973-4-4 s.n. Riverside East slope of San Jacinto Mountains, Andreas Canyon area, on trail toward Eagle Peak. 732 Comment
  UCR126175  Antirrhinum filipes Nathan Moorhatch, John Green 2003-4-2 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley/Santa Rosa Mountains, Cathedral Canyon, east side of the housing development called 'The Cove 152 Comment
  POM98994  Antirrhinum filipes E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mts, eastern Riverside Co. 610 Comment
  RSA180268  Antirrhinum kelloggii E. W. Lathrop 1965-4-4 5612 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UCR119363  Antirrhinum nuttallianum A. C. Sanders 1997-3-19 20050 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  RSA444466  Antirrhinum nuttallianum subsp. nuttallianum L. Roos 1966-4-29 s.n. Riverside Hills between March Air Force Base and Lakeview; rocky crevices Comment
  SD137620  Antirrhinum nuttallianum subsp. nuttallianum Darin L. Banks 1995-5-4 304 Riverside Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, hills N of Wildhorse Peak 622 Comment
  RSA515330  Apiastrum angustifolium Jeri Hirshberg 1989-5-9 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, SW slope of Mesa de Burro., (Near 33d 31 N, 117d 14 W). 579 Comment
  UCR116968  Apiastrum angustifolium A. C. Sanders, T. B. Salvato 2001-5-3 24093 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR3407  Apiastrum angustifolium John Minnich 1964-4-7 64-04-0-7- 3 Riverside Box Springs Mtns, Two Trees Canyon, Riverside 367 Comment
  RSA192218  Apocynum sibiricum H. A. Zuill 1966-6-5 202 Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
Read comments
Feb 12 2013
  CAS-BOT-BC405879  Aquilegia formosa Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  UCR120625  Arabis glabra Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2290 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR177649  Arabis glabra S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail on slope above Juan Diego Flats, toward Reed Valley, NW of Cahuilla Mountain 1250 Comment
  RSA0126160  Arabis glabra Mary F. Spencer 1923-6-24 2182 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  UCR153380  Arabis sparsiflora R. F. Thorne, Et al. 1969-6-24 38138 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest. Hill north of James Reserve and Lake Fulmor 1677 Comment
Read comments
Nov 13 2008
  RSA358583  Arceuthobium campylopodum Larry E. DeBuhr 1972-3-23 515 Riverside Santa Rosa Mts; San Bernardino National Forest; northwest of Santa Rosa Pk. 2317 Comment
  SEINET3163260  Arceuthobium campylopodum G. B. Grant 113 Riverside San Jacinto Mts. Comment
  RSA629400  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19529 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629434  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16853 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629466  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16836 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  UCR122853  Arctostaphylos glandulosa Susanne M. James 1979-1-20 12 Riverside San Jacinto Mtns., 2.5 mi north of Soboba Indian Reservation and 1 mi west of San Bernardino National Forest along Poppet Flat Road Comment
  RSA629167  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16807 Riverside Rd. to Thomas Mts. (5S15), 7.0 km north of Toolbox Springs. 1720 Comment
  RSA629404  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19523 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  CAS-BOT-BC24672  Arctostaphylos glauca C. B. Wolf 1932-5-25 3695 Riverside 0.5 mi. sw. of summit of Moreno Grade, Bad Lands, sw. of Beaumont. 609 Comment
  RSA631743  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16500 Riverside Hills around Indian Oaks Ranch, east of Lake Skinner. 500 Comment
  RSA631751  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19264 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA701752  Arctostaphylos glauca Steve Boyd, Valerie Soza 2004-6-22 11554 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  RSA228813  Arctostaphylos glauca var. glauca Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 589 Riverside Cleveland National Forest. 5 mi. south of Lake Elsinore along Forest Route 7S04. Comment
  RSA633531  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20130 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633653  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16636 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633677  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20128 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633696  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21756 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633727  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16628 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633771  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21758 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  LA43651  Arctostaphylos pringlei subsp. drupacea Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove Comment
  RSA635636  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16737 Riverside Morris Ranch Rd. (6S06), 4.2 km east of Hwy 74, Garner Valley, San Jacinto Mtns. 1650 Comment
  JEPS48072  Arctostaphylos pungens Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4262 Riverside 1 mi se Toro Peak Ridge; Santa Rosa Mts. 2286 Comment
  SD135192  Arenaria macradenia subsp. macradenia Craig Reiser, Dylan Hannon 1993-5-30 Riverside Northern flanks of Santa Rosa Peak Comment
  SD236347  Argemone munita Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-30 100 Riverside San Gorgonio Pass: Morongo Indian Reservation; Road between Millard and Lion Canyon, below deep canyon. 619 Comment
  UCR252009  Argemone munita A. C. Sanders, T. B. Salvato 2014-7-2 41179 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR56014  Argemone munita J. A. Adams 1965-5-9 206 Riverside San Jacinto Mtns., NE side of Mtns, Palm Springs Area, 1 mi below tramway up Mt. San Jacinto 915 Comment
  CAS-BOT-BC401677  Argemone munita subsp. munita Gerald B. Ownbey; Findley Ownbey 1954-6-24 2170 Riverside .1 mile w. of Radec 516 Comment
  POM19799  Argemone munita subsp. munita Mary F. Spencer 1923-8-17 2181 Riverside Prope [near] Kenworthy, Hemet Valley; San Jacinto Mt. 1372 Comment
  CAS-BOT-BC207124  Argythamnia lanceolata Theodore Labouchere 1915-4-1 204 Riverside Borders of the Colorado Desert along the easterly base of San Jacinto Mountain, not far from Palm Springs. Comment
  JOTR35289  Aristida adscensionis Andre, Jim 2012-4-11 20782 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  SEINET5336066  Aristida adscensionis H. M. Hall 1905-4-16 5797 Riverside Marshall Canon, 10 mi. W of Coachella, lower Sonoran Zone 30 Comment
  RSA385024  Aristida californica var. californica Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7816 Riverside West of Indio, 3 miles E of Date Palm Drive. 15 Comment
  LA102169  Aristida purpurea John C. Roos; 1966-4-29 sn Riverside between March AFB and Lakeview Comment
  RSA720441  Aristida purpurea Naomi Fraga, LeRoy Gross, Bill Hogshead 2006-6-12 1704 Riverside Along FS road west and paralleling Morris Ranch Road. Ca. 0.2 miles southwest of the FS roads junction with Morris Ranch Road. North east of Garner Valley. 1616 Comment
  UC573790  Aristida ternipes var. hamulosa H. S. Yates 1937-6-27 6710 Riverside Lower San Jacinto River Canyon San Jacinto Quadrangle Comment
  UCR151126  Artemisia douglasiana Scott D. White 1998-10-9 7172 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  POM319663  Artemisia dracunculus Patricia Wilder 1970-10-15 4802 Riverside Prado Dam on bank at east end of dam in Prado Flood Plain Control Basin. 183 Comment
  UC29671  Artemisia dracunculus H. M. Hall 1901-8-1 2581 Riverside in open forests of Tamarack Valley; San Jacinto Mountains 2529 Comment
  UC29672  Artemisia dracunculus H. M. Hall 1901-6-8 2012 Riverside San Jacinto River Canyon San Jacinto Mountains, San Jacinto River Canyon 762 Comment
  JOTR32635  Artemisia ludoviciana subsp. albula La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2557 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  SDSU12236  Arundo donax Tahirih Linz, M. G. Simpson 2000-4-1 5 Riverside 244 Comment
  UCR51475  Asclepias erosa S. J. Myers 1987-8-6 s.n. Riverside Aguanga, c. 1/2 mi. west of Hwy 371 at intersection of El Pasta and El Reposo Rd. 642 Comment
  POM201679  Asclepias fascicularis L. M. Booth 824 Riverside roadside. Comment
  SEINET10637047  Asclepias fascicularis Harvey M. Hall Hall s.n. 1897 Riverside Kenworthy, San Jacinto Mountains 1372 Comment
  RSA718290  Asclepias subulata Michael Honer, L. Hulse 2004-4-2 1871 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  SD125880  Asparagus asparagoides B. Pitzer, E. Misquez 1988-2-28 636 Riverside Walker Basin, southwest of Murrieta, Avenida del Oro, 2 miles south of Rancho California Road. Hilly areas north of the road. 427 Comment
  UCR116584  Asphodelus fistulosus A. C. Sanders, T. B. Salvato 2001-5-24 24371 Riverside Perris-Aguanga Basin, Temecula, Long Canyon area west of Del Rey Rd. along Avenida Buena Suerte 381 Comment
  UCR34893  Aster ascendens L. B. Ziegler 1966-10-11 099 Riverside San Jacinto Mtns, Hemet Valley, near Kenworthy Ranger Station 1375 Comment
  POM17575  Aster bernardinus Dr H. Baer 1923-9-23 s.n. Riverside 2 miles S of Murietta. Comment
  CLARK-A1528-1605  Aster chilensis John C. Roos 1946-9-14 3014 Riverside San Jacinto Mountains 1371 Comment
  RSA574561  Aster subulatus var. ligulatus Steve Boyd 1985-8-7 1121 Riverside Murrieta area, Clinton Kieth Rd. just E of the Bear Creek development golfcourse Comment
  CAS-BOT-BC154110  Astragalus N. Aitkenhead 1977-1-31 s.n. Riverside ~1 mi E. of junct. of Dillon Rd & T/L in N. Palm Springs Comment
  CAS-BOT-BC177464  Astragalus aridus P. A. Munz; D. Keck 1922-4-8 4739 Riverside Mecca, Colorado Desert -30 Comment
  RSA781528  Astragalus aridus Duncan S. Bell 2010-5-1 873 B Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR20771  Astragalus aridus A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1295 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  RSA0025521  Astragalus bernardinus John F. Emmel 1986-4-12 996 Riverside Little San Bernardino Mtns: upper Berdoo Canyon. Locality also includes Quarter S 1/2. Section 31, Township 3S, Range 9E. 1372 Comment
  CAS-BOT-BC177728  Astragalus crotalariae E. K. Balls 1949-4-2 12905 Riverside Near Durmid by the Salton Sea on Highway 111, Colorado Desert -67 Comment
  RSA498261  Astragalus didymocarpus var. dispermus Robert M. Perkins, H. de Forest 1937-3-15 382 Riverside Just West of Desert Center. Comment
  UC68630  Astragalus didymocarpus var. dispermus H. M. Hall Apr., 1905 5763 Riverside Palm Springs , Palm Springs (Colorado Desert) 152 Comment
  RSA90153  Astragalus didymocarpus var. dispermus F. W. Peirson 1922-4-29 2939 Riverside Dripping Spring, Temecula River, southwestern Riverside Co. 457 Comment
  RSA415495  Astragalus douglasii var. parishii N. C. Cooper 1944-5-20 1238 Riverside Pine Flats, Palms to Pines Highway, San Jacinto Mountains. 1220 Comment
  RSA6038  Astragalus douglasii var. parishii C. B. Wolf 1932-8-4 s.n Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  UCR24924  Astragalus douglasii var. parishii A. C. Sanders 1980-7-18 1652 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  POM229017  Astragalus filipes P. A. Munz 1937-5-31 15125 Riverside Kenworthy, south part of San Jacinto Mountains 1372 Comment
  RSA415584  Astragalus lentiginosus var. coachellae Christina Clark 1929-3-16 s.n Riverside N. Indio. Comment
  UC126875  Astragalus lentiginosus var. coachellae H. M. Hall 1905-4-14 5757 Riverside Whitewater , Whitewater (Colorado Desert) 240 Comment
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Feb 1 2011
  UCR33614  Astragalus lentiginosus var. variabilis Sears 1978-4-12 1173 Riverside Sonoran (Colorado) Desert, 5 mi northeast of Desert Center on road to Rice 165 Comment
  JEPS54762  Astragalus nuttallianus F. W. Peirson 1922-4-9 584 Riverside foot of Murray Canyon e base Mt. San Jacinto, Palm Sprs, Murray Canyon (Palm Sprs., e base Mt. San Jacinto) Comment
  RSA415626  Astragalus nuttallianus var. imperfectus M. B. Dunkle 1935-3-31 4445 Riverside Cottonwood Springs. Colorado Desert. 701 Comment
  RSA631065  Astragalus nuttallianus var. imperfectus L. C. Wheeler 1953-3-31 7039 Riverside Near Mountaineer Mine. Comment
  UCR217502  Astragalus pachypus var. jaegeri Diane Menuz 2008-4-11 419 Riverside Peninsular Range: San Jacinto Mtns, Potrero unit of San Jacinto Wildlife Area; about 600 m west of Potrero Creek and 600 meters east of road 731 Comment
  CAS-BOT-BC194128  Astragalus pomonensis Frank W. Gould 1943-4-18 2155 Riverside 3 miles west of Beaumont near junction. Comment
  SD8530  Astragalus pomonensis Daniel Cleveland 1880-5-15 Riverside Temecula Comment
  UC635311  Astragalus pomonensis H. L. Mason 1926-4-30 3114 Riverside one mi s Temecula (Temecula Canyon); s of Temecula, Temecula Canyon Comment
  CAS-BOT-BC193166  Astragalus sabulonum Edmund C. Jaeger 1922-3-18 s.n. Riverside Entrance to Martinez Canon [Canyon] near Mecca Comment
  CAS-BOT-BC193171  Astragalus sabulonum Lewis S. Rose 1937-4-10 37154 Riverside 3 mi. SE. of Indio 15 Comment
  RSA627502  Athyrium filix-femina Scott D. White 1998-7-31 6942 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  SD82731  Athyrium filix-femina var. cyclosorum Clinton S. Kimball 1892-1 Riverside Strawberry Valley Comment
  UC1287097  Atrichoseris platyphylla C. L. Hitchcock 1966-3-20 24315 Riverside 5 miles north of Milpitas Wash (and 12 miles NW of Blythe-Glamis Road) Comment
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Mar 2 2013
  UC1329825  Atrichoseris platyphylla James E. Cole 1941-4-13 565 Riverside top of Pinto Pass; Joshua Tree National Monument 609 Comment
  UCR166847  Atrichoseris platyphylla Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  POM575925  Atriplex argentea subsp. expansa Steve Boyd, D. L. Banks 1994-9-29 8365 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  RSA357127  Atriplex argentea subsp. expansa R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37608 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  UCR201824  Atriplex argentea subsp. expansa Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  SEINET3930040  Atriplex argentea var. mohavensis Steve Boyd 1986-4-19 1721 Riverside temescal Canyon: warm Springs Valley. Alkali flats along Alberhill Creek drainage E of Nichols Rd.; 0 Comment
  RSA5456  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  CAS-BOT-BC170207  Atriplex canescens subsp. canescens W. M. Ingram 1934-10-1 9 Riverside Caleb Comment
  JOTR30934  Atriplex canescens subsp. canescens La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1354 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  CAS-BOT-BC227862  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7827 Riverside South Palen Lake, Chuuckwalla Valley, 4.5 km SE of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km N of Interstate 10 128 Comment
  SD240965  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7828 Riverside South Palen Lake, Chuckwalla Valley, 4.5 km SE of Sidewinder Well, 2.3 km SW of Palen Dunes Drive, and 4.2 km N of Interstate 10. 128 Comment
  UCR252815  Atriplex coronata var. notatior John Dvorak 2011-5-17 017 Riverside Perris Aguanga Basin, San Jacinto River, 2 km west of Menifee Road, 60 meters south of San Jacinto Avenue 434 Comment
  UCR66967  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2054 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area; old San Jacinto River channel, c. 880 m NE of Davis Rd. and c. 400 m SW of first waterfowl pond. 476 Comment
  CAS-BOT-BC523903  Atriplex glauca D. E. Bramlet 2005-5-5 3847 Riverside Perris-Aguanga Basin Region: San Jacinto Valley, canal right-of-way north of Devonshire Ave. 457 Comment
  UC665756  Atriplex hymenelytra Ira L. Wiggins 1941-3-24 9590 Riverside on silty slopes 0.5 mi from beach on e side Salton Sea (1 mi n of Imperial County line); e side Salton Sea, n of Imperial County Line Comment
  POM278759  Atriplex lentiformis Grant D. Brown 1950-3-5 489 Riverside 3 miles east of Indio on hyway #60/70. -9 Comment
  UCR121330  Avena fatua A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24989 Riverside The Badlands, marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont 670 Comment
  JOTR32849  Baccharis brachyphylla La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1169 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky slopes 946 Comment
  RSA0104611  Baccharis brachyphylla Duncan S. Bell, Evan Meyer 2014-10-29 7679 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
  UCR23276  Baccharis brachyphylla John C. Roos 1950-10-16 5008 Riverside Transverse Range/Little San Bernardino Mtns., Dry Morongo Canyon about 1 mi south of Riverside-San Bernardino County line 612 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
  UCR115161  Baccharis pilularis Mitch Provance 2000-10-14 2252 Riverside Jurupa Mountains, Corner of Wilson St. and Agua Mansa Rd., at the entrance to an abandoned site of a proposed industrial complex. 268 Comment
  SBBG7732  Baccharis salicifolia H. and M. Dearing 1942-3-17 4834 Riverside Dos Palmas Cyn, near Palms to Pines Hwy 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
  PASA2173  Baeria aristata Frank W. Peirson 1922-5-19 Riverside 5 miles northeast of Murietta 457 Comment
  RSA33561  Bahiopsis parishii N. C. Cooper 1944-3-25 1012 Riverside Morongo Pass 457 Comment
  RSA5361  Bahiopsis parishii B. D. Stark 1932-6-15 1525 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  UCD129491  Bahiopsis parishii L. S. Rose 1935-12-23 s.n. Riverside San Jacinto Mountains, above Deep Canyon, 22 miles south of Cathedral City, Colorado Desert. 1066 Comment
  JEPS30498  Baileya pauciradiata Donald Kyhos 1958-2-16 58 -18 Riverside 3 mi s of Rice Comment
  RSA28087  Baileya pleniradiata I. L. Wiggins 1941-3-27 9684 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA741015  Barbarea orthoceras Scott D. White, Justin M. Wood 2008-6-18 12232 Riverside K Flat Meadow. 1433 Comment
  POM46891  Bebbia juncea Mary F. Spencer 1918-4-7 775 Riverside Palm Springs. 168 Comment
  RSA793531  Bebbia juncea Naomi Fraga, David Fraker, Thomas Stoughton 2012-3-15 3947 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  UCR21794  Bebbia juncea Steve Boyd, L. LaPre 1980-9-9 s.n. Riverside Santa Rosa Mtns, Magnesia Spring Canyon 244 Comment
  UC1119034  Bebbia juncea var. aspera A. Lewis 1934-5-1 455 Riverside Railroad Canyon, Elsinore Elsinore, Railroad Canyon 487 Comment
  UC30526  Bebbia juncea var. aspera W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1851 Riverside e base of San Jacinto Mt. 457 Comment
  OBI37435  Berberis aquifolium var. dictyota A. C. Sanders 1981-7-11 2212 Riverside San Jacinto Mts. Live Oak spring at the head of Live Oak cyn. which is a tributary to Palm Cyn. T6S, R4E, sec 27 1676 Comment
  UCR17557  Bergia texana John C. Roos 1952-5-28 5730 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  RSA0100138  Bernardia incana Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8556 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  RSA70433  Bernardia incana F. W. Peirson 1928-4-25 7917 Riverside Cottonwood Spring Region, Northern Colorado Desert. Comment
  OBI14422  Bernardia myricifolia Annie M. Alexander; Louise Kellogg, Louise Kellogg 1941-5-10 2144 Riverside 3 mi NE Cottonwood Spring, Eagle Mts 1036 Comment
  UC30574  Bidens laevis E. L. Koethen 1897-10-16 Riverside Riverside Comment
  SEINET12049901  Bloomeria crocea N. C. Cooper 1944-1 1542 Riverside San Jacinto Mtns. (Pine Cove) 1676 Comment
  CAS-BOT-BC16090  Boechera californica H. M. Hall 1901-6-1 s.n. Riverside San Jacinto Mountains. Near Tahquitz. 2286 Comment
  RSA34558  Boechera californica N. C. Cooper 1944-6-16 1427 Riverside San Jacinto Mountains, west side. 1372 Comment
  RSA769762  Boechera californica Duncan S. Bell, Valentin Arvizu 2010-5-10 984 Riverside San Bernardino National Forest: Garner Valley, approximately 1.4 air miles southeast of junction of forest service road 6S13 and forest service road 6S04. 1365 Comment
  RSA0078226  Boerhavia coulteri var. palmeri Sarah J. De Groot, Amy Rouillard 2015-9-15 7564 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 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
  SD255218  Boerhavia triquetra var. intermedia Sarah J. De Groot, Amy Rouillard 2015-9-15 7565 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 106 Comment
  CLARK-A1528-3315  Boisduvalia glabella John C. Roos 1952-5-14 5662 Riverside Edgemont 487 Comment
  UCR130149  Bolboschoenus maritimus subsp. paludosus Carl Epling, Joseph A. Ewan 1933-1 s.n. Riverside South shore of Lake Elsinore 378 Comment
  LA11367  Bouteloua aristidoides var. aristidoides Marcus E. Jones; 1929-9-16 24721 Riverside Hayfields, near Desert Center Comment
  UC2026427  Bouteloua aristidoides var. aristidoides Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10047 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  POM161550  Bouteloua barbata Ralph Hoffmann 1929-9-11 s.n. Riverside Thomas Valley, San Jacinto Mountains. Comment
  RSA575736  Bouteloua barbata S. J. Darbyshire, J. Cayouette 1994-9-17 4636 Riverside Chuckwalla Valley 30 mile E [of] Desert Center, Highway 10 rest area. 90 Comment
  UCD56842  Bouteloua barbata Leslie L. Ede 1972-7-18 s.n. Riverside Blythe? Comment
  JEPS15397  Bouteloua barbata var. barbata Joseph and Hilda Grinnell 1937-11-30 1080 a Riverside 24 mi e Blythe (bed of lake); Chuckawalla Valley, Ford Dry Lake 106 Comment
  JOTR30686  Bouteloua barbata var. barbata Andre, Jim, Tasha La Doux 2008-9-13 10271 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
  RSA0120325  Bouteloua curtipendula Duncan S. Bell, Thomas Stoughton 2016-4-14 9293 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  HSC86980  Bowlesia incana B. G. Pitzer, A. C. Sanders 1987-4-21 491 Riverside Box Springs Mtns., near southernmost radio towers. 793 Comment
  RSA613130  Bowlesia incana D. L. Banks 1997-3-6 1399 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  CAS-BOT-BC520380  Brachypodium distachyon Steve Boyd 2011-3-30 12306 Riverside Coastal plains and basins; San Bernardino basin region: City of Riverside, residential lot at NW corner of Beechwood Place (4131) and Brockton Ave. 256 Comment
  CDA41051B  Brandegea bigelovii G. F. Hrusa, J. A. Hart 1993-4-4 10593 Riverside Joshua Tree NM. Cholla Garden. Comment
  CHSC100824  Brandegea bigelovii Susan Bazell 2008-12-29 65 Riverside Mecca Hills. In Painted Canyon right at base of canyon wall in damp sand. Comment
  CLARK-A1528-5383  Brandegea bigelovii John C. Roos 1965-12-4 Riverside Comment
  JOTR28882  Brandegea bigelovii La Doux, Tasha 2004-2-24 1118 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  RSA11968  Brandegea bigelovii P. A. Munz, D. D. Keck 1922-4-9 4760 Riverside Shavers Well, near Mecca. 76 Comment
  RSA55094  Brandegea bigelovii R. H. Peebles 1930-4-6 121 Riverside Shavers Well. Comment
  RSA796474  Brandegea bigelovii Duncan S. Bell 2009-4-18 206 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  RSA613325  Brassica rapa D. L. Banks 1997-3-1 1389 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  CAS-BOT-BC36843  Brassica tournefortii J. Beley 1974-2-22 0462 Riverside 2 miles east of Cabazon. Comment
  RSA496660  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. 457 Comment
  RSA680345  Brassica tournefortii Scott D. White 2001-3-27 8177 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
  RSA771764  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4620 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA778114  Brassica tournefortii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 929 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  RSA783015  Brassica tournefortii J. Andre 2011-2-2 16204 Riverside West of Palm Springs alon Hwy 111 (south side) at base of San jacinto Mtns at Windy Point approx. 5.5 mi from Jct with I-10 259 Comment
  UCR18589  Brickellia arguta John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, rocky canyon 2.5 miles SE of Desert Center 610 Comment
  RSA48847  Brickellia desertorum J. C. Roos 1949-9-21 4665 Riverside E slope of rocky ridge in pass between Reche Canyon & Pigeon Pass 457 Comment
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Dec 5 2014
  PASA508  Brodiaea synandra Frank W. Peirson 1922-5-19 Riverside 2 miles southeast of Perris Comment
  RSA191989  Brodiaea terrestris subsp. kernensis E. W. Lathrop 1959-5-17 4538 b Riverside 14 miles west of Murrieta. Tenaja Plateau Comment
  SEINET186317 Image available Bromus berteroanus P. A. Munz 1940-3-24 15706 Riverside Edge of sandy wash 2 mi. north of Cottonwood Springs Eagle Mountains 914 Comment
  CLARK-A1528-41  Bromus diandrus C. M. Flanagan 1973-5-12 OO 410 Riverside Morongo Indian Reservation 1158 Comment
  SEINET4691497  Bromus diandrus A. C. Sanders, John F. Green 2012-1 40036 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon along Temescal canyon Rd. between Glen Ivy and Indian Truck Trail c 370 m NW of El Hermano Rd. 312 Comment
  UCR101435  Bromus diandrus A. C. Sanders 1997-3-19 20049 Riverside Lake Skinner area, lower S slopes of Bachelor Mtn., near old quarries 473 Comment
  UCR92448  Bromus diandrus A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18110 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  UCSB501  Bromus diandrus Van Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon, 3 mi from US 60 Comment
  RSA586131  Bromus diandrus D. L. Banks 1995-4-11 174 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trail., 33 deg 26' 18''N-116 deg 58' 27''W. 950 Comment
  CAS-BOT-BC155601  Bromus grandis Scott D. White 1996-8-1 4442 Riverside San Jacinto Mountains. Idyllwild area. North of Strawberry Valley, between Bear Trap Canyon and Lily Creek. 1615 Comment
  RSA599114  Bromus hordeaceus V. W. Steinmann, D. L. Banks 1996-4-20 836 Riverside Agua Tibia Mountains, ca. 15 km east of Temecula, less than 1 km south of Route 79 at the Dorland Mountain Arts Colony, just southwest of the administration building., ca. 33?28'N, 117?01'W 500 Comment
  UCSB9690  Bromus madritensis subsp. rubens Van Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon, 3 mi from US 60 Comment
  CLARK-A1528-4547  Bromus orcuttianus John C. Roos 1942-6-20 994 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC161814  Bromus rubens V. W. Steinmann; D. B. Steinmann 1996-3-16 811 Riverside Northeast foothills of the San Jacinot Mountains, lower portion of Chino Canyon alluvial plain, 1 km south of Highway 111 at a point ca. 1.5 km northwest of the Tramway-San Rafael intersection. 300 Comment
  RSA778261  Bromus rubens Jim Andre 2011-2-2 16218 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  SEINET4138035 Image available Bromus rubens A. C. Sanders, John F. Green 2012-4-6 40008 Riverside Peninsular Range; Santa Ana Mtns. Area: Temescal Canyon, near Campbell Ranch Rd. and I-15 Fwy, 10 miles S of Corona 323 Comment
  UCR2173B  Bromus rubens F. M. Reed 1906-7-8 1129 B Riverside Plains near the Salt Lake RR, West Riverside Comment
  UCR214117  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37747 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 436 Comment
  JOTR31863  Caesalpinia virgata La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2119 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA498389  Caesalpinia virgata T. W. Minthorn 1926-5-13 s.n Riverside East of Banning Comment
  UC665830  Caesalpinia virgata Ira L. Wiggins 1941-3-27 9690 Riverside 8.2 mi. w. Shaver's Summit Comment
  UCR41274  Caesalpinia virgata B. G. Pitzer 1986-2-9 0006 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  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
  OBI8373  Calandrinia ciliata David J. Keil, Malcolm McLeod 1977-3-26 12015 Riverside 8 mi NW of Lake Elsinore State Recreation area along Calif 71 366 Comment
  UCR250568  Calandrinia ciliata A. C. Sanders 2014-4-25 41069 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  UCR84588  Calandrinia ciliata Scott D. White, S. Ogg 1994-4-21 1970 Riverside San Bernardino Mountains, Millard Canyon, near stream crossing with US Forest Service Road 2S05, about 4 mi south of Bear Wallow Spring 915 Comment
  UCR17994  Calandrinia ciliata var. menziesii Mark Morris, Richard C. Barkelew 1929-3-10 s.n. Riverside San Jacinto Mountains, Indian [Creek] Canyon or adjacent dry hills Comment
  CDA5111  Callistemon viminalis R. E. Riefner Jr. 2006-7-31 06 -345 Riverside City of Temecula, Pechanga Creek between Via Edwardo Road and Rainbow Canyon Road. Comment
  UCR266786  Callitriche marginata Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 07 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  RSA0042617  Calocedrus decurrens Michelle Cleveland 1981-2-14 12 Riverside Idyllwild Visitor Center off Hwy 74. Collected 200 yds North of Vistor Center. 1900 Comment
  CLARK-A1528-21  Calochortus concolor C. M. Flanagan 1973-5-31 OO 614 Riverside Morongo Indian Reservation 914 Comment
  RSA774062  Calochortus concolor Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1431 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1388 Comment
  UCR110925  Calochortus concolor A. C. Sanders, Mitch Provance 1998-6-18 21984 Riverside San Jacinto Mtns., along Hwy 243 c. 1 km below the turnoff to Twin Pines Ranch 1189 Comment
  CAS-BOT-BC488542  Calochortus concolor E. K. Balls 1958-6-27 23296 Riverside Santa Ana Mts., 3.2 miles NW along Indian Truck Trail from Junction with Main Divide 853 Comment
  RSA740245  Calochortus palmeri var. munzii Scott D. White, Justin M. Wood 2008-7-9 12417 Riverside Johnson Meadow 1415 Comment
  UCR122530  Calochortus palmeri var. munzii George K. Helmkamp, E. A. Helmkamp 2001-5-20 6684 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  RSA502191  Calochortus weedii var. intermedius Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-11 3719 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  RSA674535  Calochortus weedii var. intermedius Scott D. White, Brian Leatherman 2000-6-1 7994 Riverside Steep slopes directly south of Oak Av. and Lincoln Av., just east of Hagador Cyn. 381 Comment
  POM13118  Calycadenia tenella Philip A. Munz 1922-5-19 5337 Riverside 5 miles NE of Murietta. 488 Comment
  UCR114750  Calycadenia tenella Scott D. White, D. E. Bramlet 1999-5-19 7367 Riverside Lake Skinner area, Ridgetop, north-, west-, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR48395  Calycadenia tenella Steve Boyd 1986-5-1 1794 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  POM9605  Calycadenia tenella I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  RSA444557  Calycoseris wrightii Walter Wisura 1988-3-13 4201 Riverside 2.5 mi. fr I-10 along Box Canyon Rd. toward Mecca Comment
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Sep 7 2011
  UCR116626  Calyptridium monandrum A. C. Sanders 2001-3-20 23848 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  UCR251312  Calyptridium monandrum T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7423 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  UCR281090  Calyptridium monandrum Michael D. Wilcox 2017-4-18 s.n. Riverside Sonoran (Colorado) Desert, 1 mile long segment of Palm Canyon Wash, centered on Hwy 111 crossing, city of Palm Springs 165 Comment
  RSA719522  Calyptridium parryi var. parryi Naomi Fraga, et al. 2006-7-11 1717 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  SD140127  Calystegia macrostegia Scott D. White 1993-4-22 1245 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 490 Comment
  UCR176684  Calystegia macrostegia R. D. Goeden, Don W. Ricker 1965-6-10 s.n. Riverside Peninsular Range, Murrieta Township, Rancho Pauba, Hwy 71 [=79] at Temecula River Comment
  UCR116511  Calystegia macrostegia subsp. arida A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20669 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  RSA714421  Calystegia macrostegia subsp. macrostegia A. C. Sanders 2004-5-12 27872 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  CAS-BOT-BC218905  Camissonia B. Trowbridge 1979-4-13 6070 Riverside Ca. 5 miles east of Temecula off Hwy. 71 457 Comment
  UCR158316  Camissonia bistorta A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30053 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
  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
  RSA465970  Camissonia boothii subsp. condensata Anstruther Davidson 1903-01 s.n. Riverside Colorado Desert, Thermal Comment
  RSA676031  Camissonia brevipes Scott D. White 2001-4-17 8335 Riverside Sonoran Desert: Shaver s Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  RSA135156  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-25 11486 Riverside Colorado Desert. A single plant in roadside fringe, Salt Creek wash, 2.6 miles N of Durmid, E side of Salton Sea. Comment
  SEINET7097945  Camissonia brevipes subsp. brevipes A. G. Vestal 1937-3-21 s.n. Riverside Near Garnet. UTM Zone 11, 542095 mE, 3751177 mN. Lat. 33 54' 07ao N, Long. -116 32' 41ao W NAD 27 (Converted to WGS84 decimal degrees). Comment
  RSA515334  Camissonia californica Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, Cole Canyon, NW of Mesa de Burro, at head of canyon. 610 Comment
  UC56479  Camissonia campestris subsp. campestris H. M. Hall 1902-4-8 2765 Riverside Valle Vista Comment
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Mar 27 2011
  RSA454742  Camissonia cardiophylla M. B. Dunkle 1932-3-25 2916 Riverside 10 miles NW of Indio. Colorado Desert. 30 Comment
  RSA777404  Camissonia cardiophylla subsp. cardiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 837 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  UCR144746  Camissonia claviformis Scott D. White 2001-4-18 8364 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, NE corner of Sunrise Drive and San Raphael Drive 165 Comment
  UCR41633  Camissonia claviformis A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6076 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR85089  Camissonia claviformis A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16024 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  RSA135293  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11485 Riverside Salton Sea State Park, east side of Salton Sea. Comment
  UC1122174  Camissonia claviformis subsp. aurantiaca H. S. Yates 1937-3-23 6399 Riverside 2 mi n Palm Springs; San Jacinto Quadrangle Comment
  POM9344  Camissonia claviformis subsp. aurantiaca Mary F. Spencer 1920-4-2 243 Riverside Palm Springs, Colorado Desert. 122 Comment
  POM158464  Camissonia confusa P. A. Munz 1927-5-20 10819 Riverside 10 miles S. of Hemet. Comment
  SDSU3357  Camissonia confusa H. Wedberg 1958-5-18 307 Riverside At Pinon Flat Campground, San Jacinto Mountains. Comment
  UCR84586  Camissonia confusa Scott D. White, S. Ogg 1994-4-21 2011 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  CLARK-A1528-2660  Camissonia hirtella John C. Roos 1937-5-10 2187 Riverside Elsinore Comment
  RSA614393  Camissonia hirtella D. L. Banks, Victor W. Steinmann 1997-3-13 1527 B 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
  UCR23190  Camissonia hirtella S. Gallagher 1981-6-1 27 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
  SEINET238524  Camissonia micrantha Mitch Provance 1998-3-31 307 Riverside Jurupa Mountains: Pyrite Canyon 'Deep Pyrite Dune' ca 0.3 km S of the end of Savonia Dr. in Southridge Fontana just 335 Comment
  SEINET12189026  Camissonia pallida J. F. Bright, Wyman, C. 1933-1 8044 Riverside Comment
  JOTR35454  Camissonia pallida subsp. hallii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 58 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  RSA690987  Camissonia refracta Scott D. White, Michael Honer 2003-5-15 9311 Riverside Bajada below Little Maria/ Big Maria Mtns. near Inca RR siding, ca. 15 air miles NW of Blythe. 61 Comment
  UCR20390  Camissonia refracta John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  SDSU3373  Camissoniopsis ignota H. L. Wedberg 1958-3-30 189 Riverside Adjacent to stream bed between the northwest end of Upper San Juan Campground and Hwy 74. Comment
  UC354442  Camissoniopsis pallida subsp. pallida Edmund C. Jaeger 1925-12-18 Riverside Palm Springs Comment
  UCSB4448  Camissoniopsis pallida subsp. pallida Long, Frances 1939-12-31 Riverside Indio Comment
  UCR92446  Capsella bursa-pastoris A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18108 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1100 Comment
  SEINET10377919  Carex bolanderi P. Zika, Nick Otting, K. Kramer 2010-8-6 25300 Riverside San Jacinto Mountains; bridge over North Fork San Jacinto River, Dark Canyon, at campground 1785 Comment
  UCR97269  Carex fracta Scott D. White 1996-8-1 4453 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  RSA508011  Carex multicaulis Steve Boyd, Carol Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2298 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  UCR143644  Carex praegracilis A. C. Sanders, Et al. 1996-5-1 18119 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1100 Comment
  POM14387  Carex sartwelliana Phillip A. Munz 1922-7-6 6026 Riverside San Jacinto Mountains, between Tahquitz Creek and Hidden Lake. 2287 Comment
  RSA769177  Carex senta P. F. Zika, Nick Otting 2010-8-3 25244 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains, Penisula Ranges 2550 Comment
  CAS-BOT-BC115980  Carex subfusca Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38154 Riverside San Bernardino National Forest, San Jacinto Mts, Lake Fulmor. NE end. 1676 Comment
  UC489203  Carex subfusca C. V. Meyer 1928-7-27 553 Riverside San Jacinto Peak 3261 Comment
  RSA516557  Castilleja affinis R. C. Bacigalupi, J. F. MacBride, Ruth D. Sanderson, C. Leroy Custer 1952-3-30 3550 Riverside On west-facing gentle hillslope among sparse chaparral, along Calif. Highway No. 71. between Wildomar and Murrieta, 2.6 mi. N. of Murrieta, 396 Comment
  UCR280613  Castilleja affinis Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-4 417- 02 Riverside Gavilan Hills, NE flank of Estelle Mtn., along Estelle Mountain Rd., 0.3 miles NNE of intersection with Highcliff Rd. 732 Comment
  RSA773593  Castilleja exserta Duncan S. Bell, Joy D. England 2010-6-14 1305 Riverside San Bernardino National Forest: Garner Valley, just west of Highway 74 approximately 2.5 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1367 Comment
  POM4315  Castilleja foliolosa L. T. Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  RSA160447  Castilleja foliolosa John Olmsted 1958-6-10 154 Riverside six miles southwest of Corona on Oak Flat fire road (turn S in Corona from US onto Lincoln). 610 Comment
  RSA757618  Castilleja foliolosa LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4340 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SEINET269560 Image available Castilleja foliolosa Scott D. White 1996-5-27 4073 Riverside Jackrabbit Canyon: east of Moreno Valley and south of Calimesa between State highway 60 and gilman Spring Road West and 518 Comment
  UCR138158  Castilleja foliolosa D. L. Banks 1997-2-23 1340 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the the Riverside/San Diego Co. line 482 Comment
  UCR44195  Castilleja foliolosa A. C. Sanders 1986-6-1 6541 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  RSA305818  Castilleja linariifolia James R. Shevock 1971-5-8 1042 Riverside Near Skull Rock, Joshua Tree National Monument. 1220 Comment
  UCR2880  Castilleja martinii N. J. Matthews 1963-5-5 50563- 08 Riverside San Jacinto Mtns, 2 mi east of Mountain Center [near Keen Camp Summit], Hwy 74 1494 Comment
  CLARK-A1528-1427  Caucalis microcarpa John C. Roos 1952-4-9 5502 Riverside Riverside 396 Comment
  CAS-BOT-BC38139  Caulanthus amplexicaulis H. M. Hall 1900-6-1 s.n. Riverside Riverside. Comment
  RSA286105  Caulanthus heterophyllus John F. Emmel 1980-4-28 702 Riverside Foothills ca. 6 air miles ESE of Hemet; ridge between Bautista Cyn. road & Peak 2595, 0.2 air mi NE of Peak 2595. 701 Comment
  RSA524594  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3909 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  UCR65282  Caulanthus heterophyllus Steve Boyd, L. Arnseth, T. S. Ross 1990-3-29 3846 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  RSA527664  Caulanthus lasiophyllus var. rigidus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3844 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
  UCR241842  Caulanthus lasiophyllus var. rigidus A. C. Sanders, Timothy W. Chumley 2013-3-29 40719 Riverside Peninsular Range; Elsinore Valley, Baker St. between Elsinore and Alberhill, near road to water tank, 0.83 km NW of Riverside Dr./Hwy 74 412 Comment
  OBI45205  Caulanthus simulans B. Pitzer & L. LaPre, L. LaPre 1987-3-2 369 Riverside Bundy Canyon, ca. 2.0 mi SE of Lake Elsinore and 0.5 mi N of Budy Canyon Rd. off Raciti Rd. 701 Comment
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Nov 21 2014
  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
  RSA398895  Ceanothus crassifolius M. B. Dunkle 1935-3-3 4354 Riverside San Juan Canyon. 762 Comment
  UCR213467  Ceanothus crassifolius A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37812 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
  UCR225190  Ceanothus crassifolius Steve Boyd, Susan Jett 2008-3-20 11830 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  SDSU10346  Ceanothus greggii Wende Rehlaender 1983-3-3 83 Riverside San Jacinto Mtns. off Hwy 74, about 3000ft above Banning. Comment
  UCR199746  Ceanothus greggii Scott D. White, Justin Wood 2008-5-29 12038 Riverside Beaumont Badlands, West of Beaumont, near SR-60 crossing over San Timoteo Creek 671 Comment
  CAS-BOT-BC51279  Ceanothus leucodermis Mary F. Spencer 1919-6-20 1205 Riverside Edge of woods, Mt. San Jacinto 1615 Comment
  RSA462400  Ceanothus leucodermis H. de Forest, Freda Detmers 1931-4-2 s.n. Riverside Colorado Desert. Comment
  RSA736543  Ceanothus leucodermis Scott D. White, Angelia Carey 2004-7-2 10590 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UC1563045  Ceanothus leucodermis Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3082 Riverside s of Hwy 79 (Kolb Creek drainage, w of Woodchuck Rd.); Vail Lake area 487 Comment
  UC218073  Ceanothus leucodermis P. A. Munz and I. M. Johnston 1922-5-19 5401 Riverside Mountain side at mouth of Strawberry Canyon San Jacinto Canyon 1127 Comment
  UCD112250  Ceanothus leucodermis Maureen H. Pendleton 1988-2-1 s.n. Riverside Ca. 2 1/2 mi. S of Temecula between I-215 and Rainbow Canyon Road. 411 Comment
  RSA0018960  Ceanothus leucodermis N. C. Cooper 1944-6-17 1444 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA398912  Ceanothus oliganthus Anstruther Davidson 1921-4-1 3406 Riverside Banning. Comment
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Mar 27 2011
  RSA570000  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7915 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  RSA570223  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7892 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA606741  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27410 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
  RSA754175  Ceanothus ophiochilus Dylan O. Burge 2009-3-19 DOB 1065 c Riverside Oak Mountain, west of Vail Lake, accessed via foot trail from Vail Lake Resort, 13.4 km 291 degrees True WNW of Aguanga. 640 Comment
  SBBG96783  Ceanothus ophiochilus S. Boyd with T. Ross, L. Arnseth 1989-3-12 2960 Riverside Vail Lake area, 1 mi W of lake; T8S, R1W, SE1/4, SE1/4 S8, SW1/4, SW1/4 S9 609 Comment
  CAS-BOT-BC51921  Ceanothus perplexans Paul F. Covel 1938-4-21 1175 Riverside On grade bet. Idyllwild - Hemet Comment
  OBI10383  Ceanothus perplexans Robert F. Hoover 1969-4-13 11227 Riverside Pinyon flat, San Jacinto Mts Comment
  RSA535466  Ceanothus tomentosus var. olivaceus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-2 6651 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Cyn, especially about Fishermans Camp. Comment
  RSA500112  Centaurea melitensis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3699 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  RSA773104  Centaurium venustum Duncan S. Bell, Joy England 2010-6-14 1296 B Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1384 Comment
  UCR174431  Centaurium venustum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32479 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SD154107  Centromadia pungens subsp. laevis B. L. Jones 2003-5-29 Riverside Lake Elsinore area, just north of intersection of Corydon Road and Grand Road Comment
  UC1930967  Centromadia pungens subsp. laevis R. E. Riefner Jr. 2005-8-28 05 -648 Riverside Peninsular Range: SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. Comment
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Jan 15 2016
  UCR266368  Centromadia pungens subsp. laevis D. E. Bramlet 2005-6-28 3887 Riverside Temecula, just west of Cherry St. and Adams Ave., near confluence of Warm Springs Creek and Santa Gertrudis Creek 316 Comment
  UCR127529  Cerastium glomeratum A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16035 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  UCR93067  Ceratonia siliqua A. C. Sanders 1995-12-19 17937 Riverside University of California, Riverside. Botanic Garden 400 Comment
  RSA86985  Cercidium floridum F. W. Peirson 1921-4-13 sn Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs. 152 Comment
  LA47755  Cercocarpus betuloides L. Haines; L. Erickson 1937-4-10 sn Riverside Palms to Pines Highway Comment
  RSA171391  Cercocarpus betuloides J. D. Olmsted 1962-3-5 3490 Riverside Ravine at edge of Thomas. Mt. fire road south of Hemet Lake, NE flank of Thomas Mt.. 1418 Comment
  CAS-BOT-BC135494  Cercocarpus betuloides var. betuloides A. C. Sanders; N. Ferguson 1994-6-2 14625 Riverside San Jacinto Mountains: Bautista Canyon ca. 1 mile above the foerst service boundary. 850 Comment
  RSA674925  Chaenactis artemisiifolia Scott D. White, P. De Vries 2000-4-25 7727 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  CDA7361  Chaenactis carphoclinia T. C. Fuller 1963-4-23 10277 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  SBBG7866  Chaenactis carphoclinia C. H. Muller 1952-4-6 9506 Riverside ca. 1 mi N of S entrance to Joshua Tree Nat Monument Comment
  UCR241525  Chaenactis carphoclinia A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40645 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCSB23358  Chaenactis carphoclinia Shaw, M. 1964-4-5 Riverside 1.5 miles east of junction of State Highway 195 and turnoff to U.S. Highway 70 to Joshua Tree National Monument 594 Comment
  POM351665  Chaenactis carphoclinia var. carphoclinia M. B. Dunkle 1935-4-17 4558 Riverside W. of Wiley Well. Colorado Desert. Comment
  UCR72459  Chaenactis carphoclinia var. carphoclinia Theo Glenn 1991-5-15 91- 42 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  POM351699  Chaenactis fremontii Ora M. Clark 1929-3-16 1710 Riverside N. of Whitewater, Colorado. Comment
  RSA0077069  Chaenactis fremontii Jim M. Andre 2015-3-2 31350 Riverside Along Kolbe Rd (dirt), northwest end of Coachella Valley at foot of Little SnBr Mtns, 0.2 mi. west of intersection between Hwy 62 and Indian Avenue (road to Desert Hot Springs), 2.3 mi. south of San Bernardino county line. 528 Comment
  RSA151072  Chaenactis fremontii Peter H. Raven 1962-4-7 17114 Riverside Whitewater Wash 1.5 miles north of U.S. Highway 70--99. Comment
  UCR226911  Chaenactis fremontii Jim Andre 2011-2-2 16212 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
  CLARK-A1528-184  Chaenactis glabriuscula C. M. Flanagan 1973-5-31 OO 644 Riverside Morongo Indian Reservation 975 Comment
  SD227733  Chaenactis glabriuscula A. C. Sanders 1994-5-29 14546 Riverside San Bernardino Mountains: Morongo Indian Reservation, slopes among hills on the low pass between Millard Cyn. And Potero Cr 750 Comment
  RSA619539  Chaenactis glabriuscula var. glabriuscula Darin L. Banks 1997-5-5 1988 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SEINET2049307 Image available Chaenactis parishii Kathy Harper 1988-6-11 Riverside San Jacinto Mountains, on Thomas Mountain Road, S of Thomas Mountain Lookout. Comment
  POM118283  Chaenactis stevioides var. stevioides A. M. Alexander, Louise Kellogg 1941-5-11 2149 Riverside 1.5 mi N of Cottonwood Spring, Eagle Mts. 976 Comment
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Oct 9 2010
  RSA779629  Chaenactis stevioides var. stevioides Duncan S. Bell 2010-4-1 672 Riverside Arica Mountains: west side of Rice Valley, about 1.2 air miles east of the Atchison, Topeka, and Santa Fe railway line, approximately 4.2 air miles east of Priest Well, and approximately 4.3 air miles southeast of the ghost town of Rice. 208 Comment
  JOTR34213  Chamaesyce albomarginata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 3005 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  RSA435979  Chamaesyce albomarginata N. C. Cooper 1948-5-13 2849 Riverside Devil's Garden. 244 Comment
  RSA659661  Chamaesyce albomarginata J. C. Roos 1951-9-25 5269 Riverside Fairmount 259 Comment
  POM253441  Chamaesyce micromera Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  RSA644205  Chamaesyce micromera V. W. Steinmann 1999-10-26 1415 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  RSA779949  Chamaesyce polycarpa Duncan S. Bell, Jennifer Pilapil 2011-5-19 2479 A Riverside A side canyon off of Mission Creek canyon approximately 4.5 air miles up canyon from the junction of Highway 62 and Mission Creek Road. 946 Comment
  SEINET3004969  Chamaesyce polycarpa G. Rink 2011-3-24 10393 Riverside Sandy wash north of Blythe, east of the McCoy Mtns 109 Comment
  UCR48427  Cheilanthes clevelandii Steve Boyd, C. Boyd, B. Roy 1986-2-2 1201 Riverside Peninsular Range, Hwy 79 at San Diego county line Comment
  UC1930142  Cheilanthes feei Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10466 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
  CAS-BOT-BC68094  Cheilanthes parryi Robert T. Clausen 1940-6-18 4676 Riverside Chino Canyon - Salton Sea Basin 457 Comment
  IRVC3136  Cheilanthes parryi R. H. Whittaker, W. A. Niering 1963-6-1 SJ 137 Riverside Palms to Pines Hwy. Santa Rosa Mountains 701 Comment
  RSA739320  Cheilanthes parryi Keith E. Hoffmaster 1933-4-13 27 Riverside Palm Springs. Comment
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Aug 27 2011
  UCR75040  Cheilanthes parryi A. C. Sanders, E. J. Lawlor 1992-4-4 12154 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  POM9750  Cheilanthes parryi Philip A. Munz 1921-12-31 4700 Riverside Andreas Canyon, Colorado Desert. Comment
  POM179189  Cheilanthes viscida Philip A. Munz 1941-10 17237 Riverside On Palms to Pines HIghway, north base of Santa Rosa Mts. Comment
  UCR232769  Chenopodium William Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 013 Riverside Peninsular Range; San Jacinto Mtns., Skunk Cabbage Meadow 2449 Comment
  RSA623556  Chenopodium berlandieri R. E. Riefner 1998-10-15 98 -526 Riverside Menefee-Paloma Valley Comment
  RSA654881  Chenopodium berlandieri T. B. Salvato, A. C. Sanders 2000-4-27 59 Riverside Coachella Valley: between Filmore & Buchanan on Avenue 56. -37 Comment
  UCR171135  Chenopodium berlandieri 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
  SDSU13670A  Chenopodium berlandieri var. sinuatum W. Miller, C. Mosse 1972-8-9 Riverside Comment
  UCR97682  Chenopodium californicum A. C. Sanders, G. Helmkamp 1997-3-15 19963 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  SEINET14416905  Chenopodium missouriense Mitch Provance 2012-1 61251 Riverside San Bernardino Valley: Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, .25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  UCR108713  Chenopodium murale Scott D. White, Pam DeVries 1998-2-9 6081 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCR166724  Chenopodium murale Scott D. White, Jennifer H. Jones 2005-4-12 10862 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  CDA3100  Chenopodium strictum Mitch Provance 2000-11-2 2293 Riverside Reid Park, ca. 0.5 mile SW of the corner of Placentia Ln. and Orange Street, North Riverside. Comment
  SD146302  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance and T. B. Salvato 2000-10-5 23719 Riverside Santa Ana River Valley; Hidden Valley Wildlife Area, ca. 0.5 mile west of the park office. 191 Comment
  CSUSB731  Chilopsis linearis Susan Larisch 1963-3-23 S. N. Riverside Ca. 10 miles above Mecca, California in Fox Canyon. Ca. 50 meters of roadside Comment
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Mar 24 2013
  LA99447  Chilopsis linearis subsp. arcuata Hisao P. Arai; 1957-4-18 sn Riverside Box Canyon, near Mecca; off Highway 195 Comment
  POM10316  Chilopsis linearis subsp. arcuata Charlotte M. Wilder 1904-8-7 505 Riverside Shaver s Wells. Colorado Desert. Saligma Comment
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Jul 24 2010
  RSA114358  Chilopsis linearis subsp. arcuata P. C. Everett, E. K. Balls 1956-5-2 21560 Riverside 3.1 mi. n. from jct. with Hwy. 60/70 along rd. to Lost Palms Canyon, sw Eagle Mts. 716 Comment
  SEINET269562  Chilopsis linearis subsp. arcuata Scott D. White 1996-5-27 4075 Riverside E. of Moreno Valley and S.of Calimesa between State Hwy. 60 and Gilman Spr. Rd. west and north of former gravel quarry 518 Comment
  UC887877  Chilopsis linearis subsp. arcuata Lewis S. Rose 1935-12-22 35682 Riverside Palm Canyon Wash Colorado Desert, Palm Canyon Wash 182 Comment
  POM9328  Chilopsis linearis subsp. arcuata Mary F. Spencer 1918-4-28 800 Riverside In desert sand. Colorado Desert 122 Comment
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Nov 20 2011
  UC63821  Chimaphila menziesii H. M. Hall June, 1901 Riverside San Jacinto Mts., Dark Canyon Comment
  RSA779012  Chorizanthe brevicornu Duncan S. Bell 2010-4-1 645 Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  UCR148337  Chorizanthe brevicornu John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  UCR103557  Chorizanthe brevicornu var. brevicornu George K. Helmkamp, E. A. Helmkamp 1998-1-17 2551 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCR228933  Chorizanthe coriacea A. C. Sanders 2011-4-6 39000 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  CLARK-A1528-727  Chorizanthe corrugata Charlotte Stocks 1966-4-10 Riverside Mecca Comment
  RSA561865  Chorizanthe fimbriata Steve Boyd, Tim S. Ross 1992-6-10 7625 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01), and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  RSA739344  Chorizanthe leptoceras Keith E. Hoffmaster 1937-6-6 759 Riverside Near Valle Vista, Hemet Valley. Comment
  CAS-BOT-BC191351  Chorizanthe leptotheca S. G. Stokes 1933-7-1 311 Riverside Road to Idyllwild, San Jacinto Mts. Comment
  UCR217642  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 133 Riverside San Jacinto Mountains, Cahuilla Mountain along road between Juan Diego Flats and Duval Spring 1177 Comment
  UCR116991  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato 2001-5-3 24072 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR217649  Chorizanthe parryi var. parryi Karyn L. Drennen, Kim Sparks 2010-3-24 04 Riverside Perris-Aguanga Basin, 1.9km southeast of Skinner Reservoir and 538m east of Warren Road. 30m north of a small drainage 512 Comment
  UC1595621  Chorizanthe polygonoides var. longispina Steve Boyd 1991-5-20 6265 Riverside w end adjacent to old clay mine area (s flank Alberhill Mtn., Temescal Canyon); Temescal Canyon, s flank Alberhill Mtn Comment
  UCR174095  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32551 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
  UCR217539  Chorizanthe polygonoides var. longispina Diane Menuz 2008-4-9 400 Riverside Perris-Hemet Basin, Hartford Springs Reserve, near Idaleona Road 616 Comment
  RSA0031016  Chorizanthe rigida Jim Andre 2013-3-27 24805 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  SBBG94830  Chorizanthe staticoides E. LaRue 1990-4-10 Riverside midway between Pauba Valley and Wolf Valley; 1.2 mi N of the Pechanga Indian Reservation 365 Comment
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Sep 28 2009
  UCR177642  Chorizanthe staticoides 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 1189 Comment
  UCR89685  Chrysothamnus paniculatus Bern Schwenn 1993-9-14 s.n. Riverside Joshua Tree National Monument, Cottonwood Mtns, Pinkham Canyon in the wash, west of Cottonwood Springs. 1067 Comment
  UCR89596  Chrysothamnus teretifolius Bern Schwenn 1994-4-29 s.n. Riverside Little San Bernardino Mtns., Joshua Tree National Park, E side of Lost Horse Valley, along California Riding & Hiking Trail, east of Ryan Campground. At junction of trail with old road from Lost Horse Well to Lost Horse Mine, just west of Pass. 1329 Comment
  UC1186513  Chylismia brevipes E. G. Linsley and J. W. MacSwain 1960-3-2 60 -6 Riverside 2 mi w Desert Center Comment
  SBBG104669  Chylismia cardiophylla subsp. cardiophylla J. Wear, N. Moorhatch 1993-6-11 Riverside Mecca Hills 60 Comment
  CAS-BOT-BC160606  Chylismia claviformis subsp. aurantiaca Lewis S. Rose 1937-4-10 37178 Riverside Indio - Blythe Road, 26 mi. E. of Indio 457 Comment
  CAS-BOT-BC160640  Chylismia claviformis subsp. aurantiaca Geo. B. Grant 1906-4-20 6768 Riverside Palm Springs Comment
  JOTR33760  Chylismia claviformis subsp. aurantiaca La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2758 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  UC1184360  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11476 Riverside 5.5 mi se Painted Canyon turnoff; Box Canyon Comment
  UC1184364  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11482 Riverside 11.3 mi w Shavers Summit Comment
  CAS-BOT-BC279839  Cichorium intybus John Green 2004-7-1 s.n. Riverside Santa Ana River Valley: just NW of Riverside Municipal Airport, drainage ca. 0.3 mi. south of Jurupa Road, just east of Van Buren Blvd 229 Comment
  RSA0123701  Cirsium neomexicanum Duncan S. Bell, Thomas Stoughton 2016-4-12 9235 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.75 air miles northwest of Rabbit Peak. 698 Comment
  SDSU13526  Cirsium occidentale var. californicum W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UCR111  Cirsium occidentale var. californicum R. O. Perez 1955-5-20 s.n. Riverside San Jacinto Mtns., west side of Mt. San Jacinto [vicinity of White Post Turn, below Mountain Center] along Hwy 74 1070 Comment
  RSA0066543  Cirsium occidentale var. occidentale H. M. Hall 1904-5-24 4956 Riverside Near Riverside (bottoms along Santa Ana River). Comment
  POM13155  Cirsium scariosum P. A. Munz, I. M. Johnston 1922-5-19 5449 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  SEINET2050088 Image available Cirsium scariosum var. citrinum Annette Price 1962-5-1 65 Riverside Along Tenaja Rd., ca 2 1/2 miles before Tenaja Station 12, Santa Anna Mountains Comment
  RSA0019617  Cistanthe ambigua Michael Wall 2009-4-5 s.n. Riverside Ridge line above Ladder Canyon off Painted Canyon east of Mecca 279 Comment
  UCR59858  Citrullus lanatus J. M. Stewart 1989-11-20 637 Riverside Western Colorado Desert, Interstate Hwy 10, east of Indian Avenue, North Palm Springs Comment
  OBI35627  Clarkia dudleyana Louis B. Ziegler 1972-6-5 473 Riverside San Jacinto Mts-in cyn at lower end of Poppet flats 1067 Comment
  UCR133435  Clarkia purpurea Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 450 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR158718  Clarkia purpurea A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30034 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
  RSA0035714  Clarkia rhomboidea Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 258 Riverside Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR112821  Clarkia similis A. C. Sanders 1997-5-1 20608 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  UCR60610  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3174 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  VVC426  Clematis lasiantha A. C. Sanders 1997-5-4 20675 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. N of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon. 1098 Comment
  RSA386288  Clematis pauciflora N. C. Cooper 1944-5-7 1191 Riverside Banning. Comment
  RSA735926  Clematis pauciflora Scott D. White, Justin M. Wood 2008-5-29 12044 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  SDSU20292  Clematis pauciflora Adrienne D. Russell, Michael G. Simpson 2000-4-29 129 Riverside North Field Station, Santa Margarita Ecological Reserve, rocky hillside between trailer and gorge on edge of lot, driveway. Comment
  UCR175218  Collinsia Jennifer H. Jones 2006-6-6 396 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
  UCR202239  Collinsia concolor Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  RSA0117407  Collinsia concolor Joseph A. Ewan 1932-4-8 7040 Riverside Whitewater Canyon, about 3 miles above mouth. Comment
  SD137613  Collinsia heterophylla Darin L. Banks 1995-5-3 263 Riverside Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., Cleveland National Forest, E of the Dripping Springs Alcove Area, lower alluvial benches of Arroyo Seco 512 Comment
  UC1523679  Collinsia heterophylla Robert F. Thorne, Walter Wisura, Earl Lathrop and Sara Meury 1985-5-18 60661 Riverside Santa Rosa Plateau, Cleveland National forest Cleveland National forest; Santa Rosa Plateau, Cleveland National forest 609 Comment
  CLARK-A1528-3912  Colubrina californica John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  HSC100006  Colubrina californica J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-4-18 12781 Riverside On rocky slope among granite boulders. 355 Comment
  HSC100941  Condalia globosa var. pubescens J. P. Smith, J. O. Sawyer 2009-11-30 12701 Riverside West of wash with palo verde tree. 638 Comment
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Aug 16 2015
  UCR48505  Conium maculatum Steve Boyd 1986-4-22 1727 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  CAS-BOT-BC224364  Convolvulus simulans D. Bramlet 1993-4-14 2327 Riverside Gavilan Hills: Black Rocks Area. The site is 762m NE of Black Rocks and 1.2km south of Cajalco Road. The locality is 305m east of the existing orange groves 445 Comment
  RSA496374  Convolvulus simulans Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3049 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  UCR189583  Convolvulus simulans Ryann Loomis 2006-6-6 017 Riverside Peninsular Range, Perris-Aguanga Basin, 1.2 mi north of northwestern corner of Vail Lake, on peak of Oak Mountain 817 Comment
  UCR1442  Conyza bonariensis Joyce Kleinjan 1961-4-21 s.n. Riverside Riverside, W side of Canyon Crest Drive, 75 yards south of 3rd street. 351 Comment
  UC63178  Conyza canadensis H. M. Hall 1901-8-1 Riverside vicinity Riverside 304 Comment
  JEPS6748  Cordylanthus rigidus subsp. setiger W. L. Jepson 1903-7-30 2257 Riverside Idyllwild San Jacinto Mts 1828 Comment
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Mar 21 2011
  RSA0010992  Cordylanthus rigidus subsp. setiger A. C. Sanders, E. J. Lawlor 1988-10-22 8728 Riverside Pinyon Flats area, Santa Rosa Mountains, along the trail from Dolomite Mine to Horsethief Creek. 1200 Comment
  RSA412302  Cordylanthus rigidus subsp. setiger Robert Gustafson, Gary D. Wallace 1983-6-23 2723 Riverside along Clinton Keith Road, 2.5 miles from its jct. with Hwy. 15. Comment
  RSA412309  Cordylanthus rigidus subsp. setiger H. de Forest, Jack Rempel 1933-10-29 18676 Riverside Snow Creek Canyon. 655 Comment
  SD136751  Cordylanthus rigidus subsp. setiger Steve Boyd, Tim Ross 1992-6-10 7644 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido, an isolated area due west of the juction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with main trunk of San mateo Creek 671 Comment
  SD229209  Cordylanthus rigidus subsp. setiger Dick Schwenkmeyer 2012-8-6 774 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  HSC85257  Coreopsis californica Steve Boyd 1986-4-22 1746 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  POM355977  Coreopsis californica Norman C. Cooper 1944-3-25 1024 Riverside Cabazon. 457 Comment
  UC1119251  Corethrogyne filaginifolia A. Lewis 1934-5-1 458 Riverside 1 mi w La Cienaga; Cleveland National Forest, Elsinore Quadrangle 822 Comment
  UCR132417  Cortaderia selloana A. C. Sanders 2004-2-6 27382 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, canyon along north side of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  RSA192159A  Crassula aquatica E. W. Lathrop 1966-5-1 6241 -A Riverside 3 miles W of Murrieta. Santa Ana Mountains Comment
  UCR281094  Crassula aquatica Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 51 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  POM10326  Crassula connata Charlotte M. Wilder 1904-5-14 270 Riverside Wilders Canyon, Jurupa Hills, Comment
  RSA0121172  Crassula connata Duncan S. Bell, LeRoy Gross 2016-3-30 9178 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
  UCR126988  Cressa truxillensis A. C. Sanders, Guy Bruyea 2003-6-12 26890 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  UCR139617  Cressa truxillensis A. C. Sanders 2004-7-1 28375 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile NW of the "Menifee-Antelope Community Hall", 0.6 mi. east of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and c. 5 miles due south of Sun City 457 Comment
  CLARK-A1656-825  Crossosoma bigelovii Jon Mark Stewart 1983-2-4 Riverside Palm Desert 330 Comment
  RSA356896  Crossosoma bigelovii R. F. Thorne 1966-10-15 41781 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  LA31381  Croton californicus Jane Turner; 1959-3-29 C 186 Riverside Morongo Wash Comment
  RSA480577  Croton californicus P. J. Remple 1942-3-3 s.n. Riverside Garnet Station. Comment
  RSA772018  Croton californicus Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4952 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  UC868668  Croton californicus I. W. Clokey 1935-4-16 6726 Riverside e Mecca (along road) 200 Comment
  UCR161014  Croton californicus Mark S. Brunell, M. Okada 1993-5-29 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs area, SW corner of Hwy 111 and Gene Autry Trail 104 Comment
  UCR256758  Croton californicus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7890 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  CLARK-A1656-886  Croton californicus var. mohavensis Jim Cornett 1977-6-25 Riverside Desert Hot Springs Comment
  RSA674754  Crypsis schoenoides Scott D. White 2001-6-29 8632 -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
  GMDRC5512  Cryptantha angustifolia J. Andre 2012-3-19 21300 Riverside Orocopia Mountains: N. end of range, 0.5 mi. south of Jct of Box Canyon Rd and I-10 freeway, 23 miles east of city of Coachella 470 Comment
  RSA777448  Cryptantha angustifolia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 967 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  UCR245251  Cryptantha angustifolia Jim Andre 2012-3-19 21300 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  JEPS67489  Cryptantha barbigera Marjorie D. Clary 1932-5-25 1167 Riverside n of Indio; Colorado Desert, Little San Bernardino Mts., Berdoo Canyon 609 Comment
  POM46802  Cryptantha barbigera Mary F. Spencer 1920-4-7 1573 Riverside Palm Canyon. Colorado Desert 182 Comment
  POM46804  Cryptantha barbigera Mary F. Spencer 1920-4-2 1518 Riverside Tahquitz Canyon 213 Comment
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Nov 19 2011
  RSA314620  Cryptantha barbigera R. F. Thorne, Drs Fosberg, Charles C. Herbst, M. H. Sachet 1983-4-23 55418 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA709186  Cryptantha barbigera var. fergusoniae A. C. Sanders 1987-02 6976 Riverside Sonoran (Colorado) Desert: foot of Rabbit Peak on the trail up from the mountain from the east. 61 Comment
  SEINET3083688 Image available Cryptantha circumscissa A. C. Sanders, J. Dice, K. Rose, & D. Woodard 1995-3-29 16259 Riverside San Jacinto Mtns./San Gorgonio Pass: alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. Comment
  SBBG53355  Cryptantha decipiens J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  UCR6097  Cryptantha decipiens A. R. Gillogly 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, 8.4 mi. NW of Palm Springs Post Office on Highway 111, 200 yards north of highway 244 Comment
  SEINET10455939  Cryptantha gracilis David B. Dunn 1946-3-16 Dunn 2067 Riverside On same sheet as Conrad 6639, UMO 110306. Collected on dry plateau 1/2 mi NE of Pushawalla Palms (Springs). Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  RSA776684  Cryptantha holoptera Duncan S. Bell, Amanda Turek 2010-4-10 799 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  SD125582  Cryptantha holoptera Steven A. Junak 1983-3-23 1634 Riverside East side of Jefferson Road, across from entrance to Cahuilla Lake County Park, south of Indio Comment
  CSUSB1179  Cryptantha intermedia M. H. Frost 1954-6-6 S. N. Riverside San Jacinto Mountains San Jacinto Mountains 1371 Comment
  RSA523959  Cryptantha intermedia G. H. True 1935-2-20 3 Riverside Box Springs, Sycamore Canyon. 366 Comment
  RSA657172  Cryptantha intermedia Bob Rogers 1984-4-21 12 Riverside collected along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy. 74. 915 Comment
  RSA699338  Cryptantha intermedia J. R. Bruff 1934-6-19 s.n. Riverside San Jacinto Mountains Comment
  UCR153674  Cryptantha intermedia Scott D. White 1999-5-24 7398 A Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR169856  Cryptantha intermedia T. B. Salvato, John F. Green 2004-5-27 584 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR281801  Cryptantha intermedia Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-24 517- 126 Riverside Menifee Valley, Menifee, S. side of Bundy Canyon Rd., vicinity of 'Moss Road'. 527 Comment
  UCR93036  Cryptantha intermedia Steve Boyd 1986-4-2 1600 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA0062497  Cryptantha intermedia var. intermedia J. M. Andre 2012-6-15 30492 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  RSA499629  Cryptantha maritima Christopher Davidson 1979-4-4 7672 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca. 213 Comment
  UCR148846  Cryptantha maritima Chet McGaugh 2005-1-5 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 1 mi. north of the Imperial Co. line along Coachella Canal right-of-way 21 Comment
  RSA703404  Cryptantha maritima var. pilosa LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1425 -b Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UC1114560  Cryptantha micrantha Peter H. Raven 1958-2-16 11621 Riverside 3.9 mi s Rice 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
  RSA0089245  Cryptantha micrantha subsp. lepida Steve D. Boyd, Gary D. Wallace 2005-7-30 11639 Riverside Peninsular Ranges; San Jacinto Mountains region: San Jacinto Mountains State Park, Hidden lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek. 2659 Comment
  RSA508006  Cryptantha micrantha var. lepida Steve Boyd, C. Boyd, K. A. Boyd, L. Arnseth, Richard Noyes 1988-5-28 2302 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  JOTR33867  Cryptantha micrantha var. micrantha La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3052 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps 432 Comment
  SEINET7048213  Cryptantha micromeres Steven R. Hill, Andrew C. Sanders 2001-5-4 33726 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  POM13116  Cryptantha microstachys P. A. Munz, I. M. Johnston 1922-5-19 5338 Riverside 5 mi. E of Murrieta. 488 Comment
  UCR153364  Cryptantha microstachys LeRoy Gross, Valerie Soza 2003-5-8 828 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  UCR165406  Cryptantha microstachys A. C. Sanders 2005-4-21 29569 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR270176  Cryptantha microstachys A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42402 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCR201641  Cryptantha muricata Scott D. White, Justin M. Wood 2008-6-18 12206 Riverside San Jacinto Mountains, hiking trail from K flat to Apple Canyon Road 1451 Comment
  SBBG19075  Cryptantha muricata var. jonesii M. A. Piehl 1963-6-2 63544 Riverside Hwy 74, ca. 1.2 mi W of Mountain Center 1341 Comment
  UCD119982  Cryptantha nevadensis John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns. Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain. 1372 Comment
  JEPS67818  Cryptantha racemosa W. L. Jepson 1914-5-18 6013 Riverside n of Indio (between Pinyon Well and County Well); Colorado Desert 762 Comment
  SEINET3084283 Image available Cryptantha racemosa P. Leary, K. Liska 1975-4-7 1041 Riverside 1 mile southwest of Aqua Peak, Coxcomb Mountains, Joshua Tree National Monument 853 Comment
  RSA502188  Cucurbita foetidissima Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3714 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  RSA394342  Cucurbita palmata A. Menke 1955-4-27 s.n. Riverside 34 miles E of Desert Center. Comment
  SBBG35570  Cuscuta californica D. Myrick 1966-4-2 1330 Riverside Palms to Pines Hwy 74 ca. 3 mi W of Palm Desert Comment
  UCR103779  Cuscuta pentagona Scott D. White 1994-10-21 2505 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  UC172818  Cylindropuntia bigelovii S. R. Vasey Feb. 1881 Riverside White Water Comment
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Nov 29 2010
  CAS-BOT-BC56142  Cylindropuntia californica var. californica L. R. Abrams 1908-7-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  SEINET5624443 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .1 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
  RSA0072261  Cylindropuntia echinocarpa Michelle Cloud-Hughes, Tim Thomas, Kelsey Black 2013-3-24 089 Riverside Palo Verde Mesa, 14km WSW of Blythe. 120 Comment
  RSA335029  Cynodon dactylon Steve Boyd 1985-7-23 1002 Riverside 5 miles west of Rancho California at junction of Rancho California Road and De Luz Road. 427 Comment
  SEINET3004915  Cyperus G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10333 -b Riverside Canal two miles north of Blythe. 70 Comment
  UCR94957  Cyperus eragrostis Scott D. White 1996-9-22 4540 Riverside Perris Basin, Perris: Nuevo Road near intersection with Wilson Ave., west of the San Jacinto River crossing. 436 Comment
  UCR19010  Cyperus esculentus John C. Roos 1965-10-25 s.n. Riverside Coachella Valley, Coachella, south of Indio -8 Comment
  UCR92680  Cyperus esculentus Scott D. White 1995-7-7 3458 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UCR130129  Cyperus odoratus Joseph A. Ewan 1931-10-3 5215 Riverside Santa Ana River, 4 miles NW of Corona 162 Comment
  UC1100637  Cyperus rotundus Herbert L. Mason and S. Galen Smith 1948-9-3 503 Riverside Thermal Comment
  CSUSB1203  Dalea californica Margaret-Lee Dean 1965-4-15 Riverside 1 mile west of Indian Ave. on highway 60, north of Palm Springs. 213 Comment
  SEINET10936825  Dalea emoryi Billy Joe Cox 1976-1-7 Cox 4226 Riverside Palo verde, 1-3 km w, creosote desert scrub; sandy and gravelly entisols. 70 Comment
  JOTR38527  Dalea mollis Harding, Mitzi, Kipp Callahan 2012-8-27 296 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  SBBG3313  Dalea mollis H. and M. Dearing 1936-12-25 794 Riverside ca. 10 mi S Indio Comment
  SFV17535  Dalea mollis R. Moss Apr 1998 s. n. Riverside Mojave Desert Mecca Hills Wilderness Area (BLM) north of Salton Sea near Shavers Well. 500 Comment
  UC61549  Dalea mollis Miss Mary McKibben 1904-4-6 Riverside Mecca Colorado Desert, Mecca -60 Comment
  UCR97749  Dalea mollis Michael D. Wilcox, Stephen J. Myers 1995-5-27 s.n. Riverside NE Colorado Desert, Cadiz Valley near the San Bernardino Co. line 270 Comment
  CLARK-A1656-777  Dalea mollissima Theo Glenn 1982-4-6 Riverside Fan Hill Canyon Comment
  CLARK-A1656-873  Dalea spinosa Jim Cornett 1977-6-24 Riverside Palm Springs 146 Comment
  UCR281018  Dasyochloa pulchella Fred M. Roberts 2016-3-5 8004 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  SBBG133353  Datisca glomerata S. D. White, A. Carey, L. Archa 2004-8-5 10674 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Creek from confluence w/ San Jacinto River to +/- 2 mi upstream. 534 Comment
  UC534829  Datisca glomerata Victor Duran 1933-7-1 3494 Riverside near Santa Rosa (Santa Rosa Mountains); Santa Rosa Mountains 1828 Comment
  IRVC28825  Datura discolor Mark A. Elvin 2005-4-26 4234 Riverside Coachella Valley/Indio Hills; N of I-10. Northern Sonoran Desert 198 Comment
  UCD127426  Daucus pusillus T. B. Salvato; Kent Beaman 2005-5-16 772 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 167 Comment
  SBBG104657  Deinandra fasciculata M. A. Patten 1992-5-28 92 -12 Riverside just E of Temecula, between Pauba Rd on the N and De Portola Rd on the S, W boundary of site adjacent to Butterfield State Rd 365 Comment
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Aug 24 2013
  CAS-BOT-BC334480  Deinandra paniculata R. E. Riefner, Jr. 2010-6-5 10 -50 Riverside City of Riverside, Sycamore Canyon Park, W ca 0.5 mi from Cottowood Ave. and Sycamore Canyon Blvd. 135 Comment
  CAS-BOT-BC9089  Delphinium cardinale Percy C. Everett 1935-6-17 7170 Riverside Temescal Canyon, between Corona-Elsinore Highway and Glen Ivy Resort 365 Comment
  JEPS86542  Delphinium cardinale Roy E. Buck 1988-5-28 910 Riverside e-facing slope above CA Hwy 74 near top of grade W of Lake Elsinore (ca 2.0 air km nw of confluence of Harlan Canyon and Johnson Canyon drainages, 7 air km w of Lake Elsinore (town)); Elsinore Mountains 780 Comment
  UC1018174  Delphinium parishii subsp. parishii H. Lewis and M. Lewis 1946-4-21 566 Riverside mouth Tauquitz Canyon Comment
  UC111321  Delphinium parishii subsp. parishii S. B. Parish 1907-4-18 6074 Riverside w edge Colorado Desert; Palm Springs 200 Comment
  LA207623  Delphinium parishii subsp. subglobosum Carl Epling; 1937-5-7 sn Riverside 1 mi. above Pinon Flats, Palms to Pines Hwy Comment
  SD128263  Delphinium parishii subsp. subglobosum R. Mitchel Beauchamp 1971-5-16 2426 Riverside Santa Rosa Mountains, north side among shrubs, Ribbonwood. 1175 Comment
  RSA525676  Delphinium parryi Steve Boyd 1990-5-3 4548 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  CAS-BOT-BC121425  Delphinium parryi subsp. parryi Ynez Whilton Winblad 1938-5-15 s.n. Riverside Lake Elsinore Comment
  CAS-BOT-BC121432  Delphinium parryi subsp. parryi George Robertson 1904-5-1 468 Riverside Keller Creek, Santa Ana Comment
  RSA552752  Delphinium patens subsp. hepaticoideum Steve Boyd 1992-3-21 6738 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  POM12965  Dendromecon rigida subsp. rigida P. A. Munz, I. M. Johnston 1922-5-19 5406 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  RSA433244  Dendromecon rigida subsp. rigida E. C. Jaeger 1921-6-15 s.n. Riverside San Jacinto Mountains 1524 Comment
  RSA586332  Dendromecon rigida subsp. rigida D. L. Banks, S. D. Boyd 1995-5-3 197 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
  UC336791  Deschampsia elongata J. G. Lemmon 1888-4-14 Riverside Elsinore Comment
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Feb 4 2013
  RSA773043  Descurainia pinnata subsp. halictorum Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5038 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 W116.66011 750 Comment
  RSA771736  Dichelostemma capitatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4784 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  IRVC54  Dichelostemma capitatum subsp. capitatum M. Savage 1965-4-24 HS 0095 Riverside Mountain Center, Highway 74. Peninsular Ranges, San Jacinto Mountains 1375 Comment
  RSA702413  Dichelostemma capitatum subsp. capitatum Steve Boyd, Aydee Virgen 2004-4-13 10858 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SEINET7073345  Dichelostemma capitatum subsp. pauciflorum A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  JEPS41017  Dicoria canescens S. B. Parish 1912-10-8 8366 Riverside Indio Salton Basin -6 Comment
  POM48478  Dicoria canescens F. W. Peirson 1924-12-30 5425 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  SEINET11853153  Dicoria canescens S. B. Parish, Parish, W. F. 1880-1 7 Riverside Whitewater Comment
  CAS-BOT-BC292247  Dieteria asteroides var. asteroides A. J. McClatchie 1896-3-31 1132 Riverside Along road, San Jacinto Comment
  UCR207224  Digitaria ischaemum O. F. Clarke 2003-6-22 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CAS-BOT-BC150925  Diplacus bigelovii var. bigelovii Ynez Whilton Winblad 1937-3-22 s.n. Riverside East slope of Chocolate Mts. Comment
  CAS-BOT-BC150932  Diplacus bigelovii var. bigelovii S. B. Parish 1916-5-18 10860 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  SEINET188363 Image available Diplacus bigelovii var. bigelovii C. L. Hitchcock 1940-1 5857 Riverside Cottonwood Canyon, ca 100 yards E of Spring Comment
  CHSC1799  Diplacus fremontii E. Thomas 1940-4-14 Riverside Temescal Canyon. Comment
  SEINET222285  Diplacus fremontii B. Ertter, J. Strachan 1979-1 2989 Riverside Banning-Idyllwild Rd (Hwy 243) at Black Mt turnoff (Forest Rd 4Sol), San Jacinto Mts Comment
  SBBG119973  Diplacus puniceus A. C. Sanders with M. Misenhelter 2005-3-23 29260 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  SD129536  Diplacus puniceus Steve Meyers 1990-3-21 Riverside Santa Rosa Plateau area; along Los Gatos Road, I(c) mi. S of Buena Vista Road (2 mi. W of Sandia Canyon, & 0.1 mi. N of San Diego County line 366 Comment
  SD212581  Dipsacus sativus Kurt Campbell 2006-6-15 Riverside Perris-Aguanga Basin; Temecula, northwest corner of Moraga Rd. and Rancho California Road. 334 Comment
  SBBG81483  Ditaxis claryana S. A. Junak 1983-3-23 1638 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  RSA600221  Ditaxis lanceolata L. C. Wheeler 1959-12-27 7644 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  SD143929  Ditaxis neomexicana G. K. Helmkamp, A. C. Sanders, P. McKay, T. Thomas 1997-2-8 19685 Riverside Colorado Desert/San Jacinto Mountains, Palm Springs area, Murray Canyon off Palm Canyon, on south side of boulders along trail near the mouth of the canyon 244 Comment
  RSA781608  Ditaxis serrata Duncan S. Bell 2011-12-30 3040 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  RSA726580  Dithyrea californica Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1427 Riverside Along Palen Road near Hwy 177. 170 Comment
  UCR1209  Dithyrea californica Martha McCarthy 1960-3-13 s.n. Riverside NW Colorado Desert, Whitewater Canyon Road, 0.5 mi from junction with US Hwy 60-70-99 457 Comment
  UC489187  Dodecatheon alpinum C. V. Meyer 1928-7-27 560 Riverside Round Valley San Jacinto Mt., Round Valley 2773 Comment
  UCR97251  Dodecatheon clevelandii Scott D. White 1997-2-9 4677 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
  CAS-BOT-BC129968  Dodecatheon redolens Edmund C. Jaeger 1921-7-13 95 Riverside Deer Springs Meadow, San Jacinto Mts. 2712 Comment
  CLARK-A1045-179  Downingia cuspidata George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  RSA263692  Downingia cuspidata E. W. Lathrop 1977-4-24 7513 Riverside Mesa de Burro, 3 miles west of Murrieta. Santa Rosa Plateau. 610 Comment
  RSA585644  Draba cuneifolia D. L. Banks, S. D. Boyd 1995-3-15 81 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 732 Comment
  UC64193  Draba cuneifolia H. M. Hall 1897-2-27 366 Riverside Rawson Comment
  POM8518  Draba cuneifolia var. integrifolia Mary F. Spencer 1920-3-24 1477 Riverside Indian Wells 122 Comment
  CLARK-A1528-5229  Draba sonorae John C. Roos 1952-3-19 5402 Riverside Box Springs Mountains 457 Comment
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Oct 23 2014
  RSA613128  Draba verna D. L. Banks 1997-3-6 1398 A Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Fiesta Grounds , east of Pechanga Creek along the northern fork of Pechange Creek at the eastern end of the Reservation. 424 Comment
  RSA1661  Drymocallis glandulosa Carl B. Wolf 1931-5-11 1961 Riverside Near Pipe Creek, above Hemet Valley. 1677 Comment
  POM188070  Drymocallis glandulosa var. glandulosa L. Crutcher 1933-7-1 17 Riverside Creek below Camp Tahquitz. Comment
  RSA487429  Dudleya lanceolata Steve Myers 1998-5-17 s.n. Riverside Santa Rosa Springs Ranch, 0.25 mi. W of N end of Mesa de Burro, W of town of Murrieta Comment
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Dec 5 2014
  JEPS49889  Dudleya saxosa subsp. aloides W. L. Jepson 1914-5-18 6011 Riverside n Indio (Lookout Mtn near Pinon Well); Colorado Desert Comment
  POM6694  Dudleya saxosa subsp. aloides G. McKenna 2796 Riverside San Gorgonio Pass. Comment
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Nov 29 2011
  POM301794  Dyssodia cooperi J. Cole 1942-05 s.n. Riverside Ruby Lee Mine, NE Joshua Tree National Monument Comment
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Nov 13 2011
  CHSC8315  Echinocereus engelmannii Edward L. Smith 1957-4-3 230 Riverside 1 mi. n on hwy. 99 to 29 Palms, San Bernardino Mts. 91 Comment
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Jun 21 2014
  UCR59537  Echinocereus engelmannii subsp. engelmannii Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3581 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, NW end of lake at E end of Oak Mtn., north of Wilson Creek 488 Comment
  RSA85453  Elatine brachysperma J. C. Roos 1952-4-16 5539 Riverside Edgemont, near Box Springs. Comment
  UCSB52656  Elatine californica Thorne, Robert; Thorne, M.; Wisura, Walter 1978-5-21 Riverside Santa Rosa Plateau: Mesa de Colorado; W and S margin of vernal marsh 609 Comment
  CHSC23210  Elatine chilensis Robert F. Thorne; E. Lathrop 1969-5-19 37968 Riverside Santa Rosa Plateau, Mesa de Colorado, Rancho California. 624 Comment
  UC839179  Eleocharis macrostachya P. A. Munz 1922-4-29 5105 Riverside Temecula River Comment
  UCR266472  Eleocharis macrostachya Mitch Provance, Robin Kinmont 2015-3-27 315- 49 Riverside Perris-Aguanga Basin Region, French Valley, Leon Rd. (unmarked dirt portion), along SCE transmission route between Benton Rd. and Auld Rd. 411 Comment
  UCR68862  Eleocharis montevidensis Steve Boyd, T. S. Ross 1990-5-11 4664 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  POM14331  Eleocharis palustris Phillip A. Munz, I. M. Johnston 1922-5-18 5323 Riverside 1/2 mile south of Lake Elsinore. Comment
  UC1254605  Eleocharis parishii James E. Cole 1941-5-27 810 Riverside Barker Dam Joshua Tree National Monument Comment
  UCR231743  Elymus condensatus John F. Green 2008-4-23 08- 12 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  CLARK-A1528-4608  Elymus triticoides John C. Roos 1937-5-19 2062 Riverside Norco Comment
  LA14869  Elymus triticoides F. M. Reed; 1907-5-26 1363 Riverside Spring Brook near foot of Rubidoux Mt Comment
  UCR116776  Elymus triticoides A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24171 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  RSA314457  Emmenanthe penduliflora Robert F. Thorne 1983-4-23 55466 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  SEINET270931  Emmenanthe penduliflora Richard J. Shaw 1958-5-10 1108 Riverside Juniper Flat approximately 7 miles from Palm Desert. 1219 Comment
  SEINET10397868  Emmenanthe penduliflora Norman C. Cooper 1944-4-8 1053 Riverside Andreas Canyon 305 Comment
  RSA770416  Encelia actoni Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4884 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
  UCR150016  Encelia actoni Scott D. White, Angelia Carey 2004-4-16 10165 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  UCR176911  Encelia actoni Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  VVC2872  Encelia actoni Tim Thomas, P. J. MacKay 2010-4-10 5051 Riverside San Bernardino Mtns., Whitewater River; Mouth of Catclaw Flat, on ridge to immediate west. 896 Comment
  POM98992  Encelia actoni E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mts, Eastern Riverside County. 762 Comment
  CDA4567  Encelia farinosa T. C. Fuller 1962-4-3 7984 Riverside South of Highway 99 to Palm Springs, 4.7 miles east of Cabazon, head of the Coachella Valley. 0 Comment
  JEPS30410  Encelia farinosa Donald Kyhos 1957-3-12 3 Riverside Whitewater Canyon Comment
  RSA79160  Encelia farinosa P. A. Munz, Percy C. Everett 1952-5-2 16246 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UCR89568  Encelia farinosa George K. Helmkamp 1994-3-8 41- 01 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  CAS-BOT-BC131416  Encelia frutescens W. L. Jepson 1912-10-22 5245 Riverside Riverside Mts 137 Comment
  UCR89581  Encelia frutescens George K. Helmkamp 1994-3-10 42 9 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  RSA688915  Encelia frutescens var. frutescens Scott D. White 2001-4-18 8363 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  RSA5347  Ephedra aspera B. D. Stark 1932-6-17 3747 Riverside Canyons above Cottonwood Springs, Eagle Mts., Colorado Desert 396 Comment
  RSA703486  Ephedra aspera LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1434 -a Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33 deg 37'32N, 115 deg 19'35W: UTM 3721895N, 655238E to 33 deg 36'52N, 115 deg 19'54: UTM 3720669N, 654757E. 480 Comment
  RSA383877  Ephedra californica H. de Forest 1929-4-15 s.n. Riverside Between Whitewater & Palm Spring. Open Desert. Comment
  IRVC8461  Ephedra fasciculata R. H. Whittaker, W. A. Niering Jun 1963 SJ 124 Riverside santa Rosa Mtns; Palms to Pines Hwy. Peninsular Ranges 915 Comment
  CLARK-A1528-2673  Ephedra viridis John C. Roos 1949-4-10 4224 Riverside Chuckwalla Mountains Comment
  JOTR31128  Ephedra viridis La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2510 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  UCR138606  Epilobium canum subsp. canum D. L. Banks 1996-11-7 1197 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
  POM200880  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-12 4299 Riverside Pinyon Well, Little San Bernardino Mts. 1220 Comment
  RSA559605  Epilobium canum subsp. latifolium Louis C. Wheeler 1933-12-1 2291 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  POM3143  Epilobium ciliatum subsp. ciliatum I. M. Johnston 1917-12-1 s.n. Riverside Santa Ana River, NW of Corona. 183 Comment
  UC56487  Epilobium ciliatum subsp. ciliatum E. E. Schellenger July, 1901 Riverside Thompson's Springs Comment
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Mar 22 2014
  UCR268589  Epilobium densiflorum Jim Andre 2012-6-15 30541 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  SD28118  Epilobium glaberrimum Carl B. Wolf 1932-8-5 3941 Riverside San Jacinto Mountains. Along trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  POM48886  Epilobium lactiflorum P. A. Munz 1924-7-27 8742 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  POM265817  Epilobium oregonense J. C. Roos 1937-8-18 2528 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  RSA0121456  Epipactis gigantea Duncan S. Bell, LeRoy Gross 2016-3-30 9136 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  POM9736  Equisetum hyemale var. affine E. C. Jaeger 1921-6-18 s.n. Riverside Tahquitz Creek. San Jacinto Mountains 2134 Comment
  UCR156276  Eragrostis T. B. Salvato, Kent Beaman 2005-5-16 852 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
  UCR92261  Eragrostis cilianensis Michael A. Patten 1995-1 s.n. Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margin of Lakeview Mtns. north of Florida Avenue (SR 74) and west of California Avenue 500 Comment
  RSA544281  Eragrostis pectinacea Steve Boyd, Timothy S. Ross 1991-6-14 6366 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
  RSA0107384  Eremalche rotundifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi S. Fraga 2011-3-17 766 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  RSA777539  Eremalche rotundifolia Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 899 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  JOTR34090  Eremogone macradenia var. macradenia Wheeler, Mark 2011-5-25 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (stop 3) Comment
  JOTR33784  Eriastrum densifolium subsp. austromontanum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2924 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Loamy, gravelly slope in saddle below the summit Comment
  UCR95954  Eriastrum densifolium subsp. densifolium Scott D. White 1996-8-1 4403 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA0120095  Eriastrum eremicum subsp. eremicum C. B. Wolf 1932-5-25 3678 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  RSA0121256  Eriastrum eremicum subsp. eremicum Christopher Davidson, B. Gustafson 1977-4-7 5572 Riverside Whitewater Canyon Road, (exit from I-10 ca. 2.5 miles W of junction I-10 with State 62. Near start of Angeles [actually Pacific] Crest Trail). 610 Comment
  UC52453  Eriastrum eremicum subsp. eremicum W. L. Jepson and H. M. Hall 1901-1 1892 Riverside Van Deventer's, SE base San Jacinto Mountains 1371 Comment
  UCR130710  Eriastrum eremicum subsp. eremicum George K. Helmkamp, E. A. Helmkamp 1998-6-27 4076 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
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Nov 13 2018
  RSA0120076  Eriastrum eremicum subsp. eremicum Albert J. Perkins 1916-4-15 s.n. Riverside Palm Springs. Comment
  UC574982  Eriastrum sapphirinum C. Epling and Wm. Robison 1933-6-24 Riverside San Gorgonio Wash Little San Bernardino Mountains Comment
  UCR188669  Eriastrum sapphirinum Amanda Lovelady, Tina Hofmann 2007-5-20 34 Riverside Peninsular Range; Santa Ana (Elsinore) Mtns., c. 4 miles SW of city of Lake Elsinore, Cleveland National Forest, Morgan Trailhead at Main Divide Truck Trail, and surrounding area, between heads of Morrell and Decker Canyons 854 Comment
  RSA0122958  Eriastrum sapphirinum subsp. dasyanthum 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
  RSA0121581  Eriastrum sapphirinum subsp. dasyanthum Percy C. Everett 1935-6-18 7176 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
  POM48888  Ericameria cuneata P. A. Munz, I. M. Johnston 1924-7-27 8743 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  RSA592678  Ericameria cuneata Scott D. White 1996-7-2 4255 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  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
  CAS-BOT-BC298878  Ericameria nauseosa var. bernardina Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mts Comment
  UC894819  Ericameria nauseosa var. bernardina E. C. Jaeger 1922-8-25 1009 Riverside San Jacinto Mts., Long Valley 2529 Comment
  CAS-BOT-BC298121  Ericameria nauseosa var. oreophila Philip A. Munz 1946-10-19 11572 Riverside Canyon at junction of Highway 74 and road to Old Santa Rosa Indian Village 1219 Comment
  POM10296  Ericameria palmeri var. pachylepis Mr Grout, S. Grout 1903-11 32 Riverside Rubidoux Comment
  UCR100373  Ericameria palmeri var. pachylepis A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21616 Riverside Lake Skinner Reserve area, Crown Valley, east of Rawson Road 671 Comment
  CDA29898  Ericameria palmeri var. palmeri Mike Lahti 2009-10-2 PDR# 1501842 Riverside Santa Rosa Hills, west of the city of Murrieta. 0 Comment
  CAS-BOT-BC299532  Ericameria paniculata A. C. Sanders; Pam MacKay; Tim Thomas; O. F. Clarke; et al 1996-11-23 19656 Riverside Whitewater Canyon just above Bonnie Bell 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain, San Bernardino Mtns. 533 Comment
  UC894829  Ericameria paniculata Carl B. Wolf 1932-10-13 Riverside 0.5 mi before reaching Cottonwood Springs; Colorado Desert, Eagle Mts. 289 Comment
  POM10328  Ericameria pinifolia P. A. Munz, R. D. Harwood 1907-09 s.n. Riverside Wilders' Canyon, Jurupa Hills. Comment
  UCR116031  Ericameria pinifolia G. R. Ballmer 1997-8-23 s.n. Riverside Jurupa Mtns, Colton Dunes, Declez 'Pass,' (= Pyrite Street pass through the mtns), south of Poplar Street in Fontana, c. 100 m south of the county line 335 Comment
  SEINET5708403 Image available Ericameria pinifolia Lowell E. Urbatsch, Patricia B. Cox; Sue Grace 1995-1 7091 Riverside Near the Cottonwood Headquarters in the Joshua Tree National Park.; Joshua Tree National Park Comment
  UC130502  Erigeron breweri var. jacinteus Charlotte M. Wilder 1909-7-12 972 Riverside s slope of ridge at head of Snow Creek (near summit of ridge at head of South Branch of Snow Creek and well down the sw (?) face of hill around upper meadows); San Jacinto Mountains, Snow Creek 2895 Comment
  UC219102  Erigeron divergens P. A. Munz, D. Keck 1922-4-13 4924 Riverside Colorado Desert, Chuckawalla Valley 152 Comment
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Jun 11 2012
  CAS-BOT-BC296234  Erigeron foliosus var. foliosus H. A. Zuill 1966-6-5 188 Riverside 1-2 miles SW Murrieta Comment
  JOTR33780  Erigeron foliosus var. foliosus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2931 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (stop 3) Comment
  UC31476  Erigeron foliosus var. foliosus W. L. Jepson and H. M. Hall 1901-5-1 1977 Riverside Temecula Creek Comment
  RSA659767  Eriochloa contracta J. C. Roos 1963-8-10 s.n. Riverside Blythe Comment
  CLARK-A1528-1026  Eriodictyon crassifolium John C. Roos 1941-5-10 131 Riverside Hemet 670 Comment
  POM47193A  Eriodictyon crassifolium Mary F. Spencer 1920-4-1 1451 Riverside desert near Palm Springs 122 Comment
  RSA444486  Eriodictyon crassifolium J. C. Roos 1947-3-15 3340 Riverside San Jacinto Mtns: Cranston Ranger Station, E of Hemet, west base of Mtns. 610 Comment
  CAS-BOT-BC189129  Eriodictyon crassifolium var. crassifolium L. R. Abrams 1908-7-21 5052 Riverside Santa Ana Mountains, near Elsinore Comment
  CAS-BOT-BC248628  Eriogonum apiculatum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  SBBG36969  Eriogonum apiculatum R. Hoffmann 1929-9-10 Riverside Tahquitz Pk 2438 Comment
  CDA23629  Eriogonum baileyi Mike Lahti 2008-8-26 PDR# 1473313 Riverside Hemet, 41801 East Benton Rd., 0.5 miles E of Sage Rd. 0 Comment
  RSA766423  Eriogonum davidsonii Ralph Hoffmann 1929-9-7 1000 Riverside Mount San Jacinto. 1829 Comment
  SD22474  Eriogonum davidsonii Susan G. Stokes 1933-7-1 Riverside Roadside near Idyllwild 1524 Comment
  SBBG1479  Eriogonum deflexum H. and M. Dearing 1940-6-7 4335 Riverside Box Cyn E of Mecca Comment
  UCR148048  Eriogonum deflexum Steve Boyd, Et al. 2004-5-14 11288 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR281928  Eriogonum deflexum A. C. Sanders, Jim Malusa 2017-9-21 43354 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-BC256117  Eriogonum deflexum var. deflexum John Thomas Howell 1928-11-4 4083 Riverside Hidden Spring Canyon, 13 miles se of Mecca Comment
  CAS-BOT-BC256129  Eriogonum deflexum var. deflexum Lewis S. Rose 1937-4-10 37180 Riverside Indio-Blythe Road, 26 mi. E of Indio 457 Comment
  CHSC8072  Eriogonum deflexum var. deflexum Edward L. Smith 1958-3-22 407 Riverside Coxcomb Mts. Located 15 mi. n of Desert Center. 182 Comment
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Apr 5 2011
  RSA554428  Eriogonum deflexum var. deflexum Theo Glenn 1991-5-2 91 -124 Riverside Arica Mtns, SW of Rice. 340 Comment
  UCR161402  Eriogonum elongatum A. C. Sanders, Mike Misenhelter 2005-9-20 31674 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  SDSU13041  Eriogonum elongatum var. elongatum James C. Dice, J. D. Tenhunen 1987-9-9 722 Riverside Ca. 1.6 km NNW of Royal Oak Ranch, T8S, R3W, northwest 1/4 of northwest 1/4 of section 35. 378 Comment
  CLARK-A1528-3737  Eriogonum fasciculatum C. Epling, H. Lewis 1941-5-2 Riverside Chuckwalla Mountains Comment
  UC849410  Eriogonum fasciculatum var. flavoviride Carl B. Wolf 1932-10-12 4293 Riverside Pinyon Well Colorado Desert, Litle San Bernardino Mts. 1219 Comment
  RSA766112  Eriogonum fasciculatum var. foliolosum Joseph A. Ewan 1930-4-17 2193 Riverside Near mouth of Snow Canyon. 610 Comment
  RSA784656  Eriogonum fasciculatum var. foliolosum Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 62 Riverside Temescal Canyon road, exit Indian Truck Trail from Hwy 5, southern coast of Corona lake, dry flood-plain. Comment
  HSC79227  Eriogonum fasciculatum var. polifolium G. K. Helmkamp 1983-10-8 - 24 Riverside TNC Big Morongo Preserve, S of town of Morongo Valley in Big Morongo Canyon, beside the pipeline road in the middle of the TNC owned area 762 Comment
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Feb 18 2013
  RSA0097950  Eriogonum fasciculatum var. polifolium Duncan S. Bell 2014-11-14 7723 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA0117852  Eriogonum fasciculatum var. polifolium Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7801 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1230 Comment
  RSA650861  Eriogonum fasciculatum var. polifolium C. J. Humphrey, Herbert Humphrey 1936-6-7 49 Riverside In foothills 18 miles East of Riverside. 549 Comment
  RSA739340  Eriogonum fasciculatum var. polifolium Keith E. Hoffmaster 1933-4-13 313 Riverside Palm Springs. Comment
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Aug 27 2011
  RSA773186  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4919 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SD143785  Eriogonum fasciculatum var. polifolium Scott D. White 1997-5-25 5227 Riverside San Jacinto Mts.; Bautista Canyon: Hixon Trail between trailhead at Bautista Ctn. Rd. and intermittent stream crossing 975 Comment
  UC1032089  Eriogonum fasciculatum var. polifolium A. Lewis 1933-1-26 175 F Riverside Cactus Valley San Jacinto Quadrangle, Cactus Valley Comment
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Mar 20 2011
  UCR117099  Eriogonum fasciculatum var. polifolium A. C. Sanders, T. B. Salvato 2001-5-16 24303 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  SBBG62113  Eriogonum gracile P. A. Munz, I. M. Johnston 1928-9-12 11253 Riverside Temescal Cyn Comment
  SDSU6523  Eriogonum gracile R. Harvin 1962-7-28 39 Riverside Roadside approx. 2 miles east of Hemet off highway 74. 914 Comment
  UC86025  Eriogonum gracile J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  RSA242184  Eriogonum gracile var. gracile James L. Reveal, Caroline G. Reveal 1972-8-9 2850 Riverside Along California Highway 74 at Strawberry Creek, about 5.5 miles west of the junction with Highway 243. 915 Comment
  RSA305626  Eriogonum gracile var. incultum C. W. Tilforth, Walter Wisura 1979-5-11 1913 Riverside 0.3 mi. west of Hgwy 74 on Thomas Mountain Rd., ca. 1 mile south of Lake Hemet, Garner Valley. Comment
  UCR272193  Eriogonum gracile var. incultum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8561 Riverside San Jacinto Mountains, Garner Valley, west side of the hwy, c. 3.75 air miles southeast of Lake Hemet 1370 Comment
  RSA739338  Eriogonum inflatum Keith E. Hoffmaster 1933-4-13 307 Riverside Palm Springs. Comment
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Aug 27 2011
  POM230615  Eriogonum maculatum I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  CAS-BOT-BC270591  Eriogonum molestum Peter Kamb 1948-10-21 1273 Riverside Hll Canyon, San Jacinto Mts. 1645 Comment
  POM2284  Eriogonum molestum H. M. Hall 1901-07 2386 Riverside San Jacinto Mountains, wooded slopes and benches of the south. 1616 Comment
  UC519989  Eriogonum molestum Louis C. Wheeler 1931-10-2 178 Riverside Hemet-Idyllwild road San Jacinto Mts. 1371 Comment
  JOTR32416  Eriogonum nidularium Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 7 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  RSA393383  Eriogonum nidularium Frances L. Cramer 1941-5-3 s.n. Riverside Joshua Tree National Monument Comment
  RSA761156  Eriogonum nudum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 687 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CLARK-A1528-3695  Eriogonum pusillum John C. Roos 1943-5-23 2667 Riverside Little San Bernardino Mountains 914 Comment
  JEPS56310 Image available Eriogonum saxatile C. C. Parry and J. G. Lemmon 1876-4-18 361 Riverside Whitewater Colorado Desert, Whitewater Comment
  RSA0020370  Eriogonum thomasii Duncan S. Bell 2012-3-4 3129 Riverside Arica Mountains; west side of range, approximately 2.3 air miles west of Priests Well. 420 Comment
  RSA0126641  Eriogonum thomasii Duncan S. Bell 2016-3-4 8796 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  RSA653433  Eriogonum thurberi Scott D. White 1999-5-24 7396 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
  SBBG64089  Eriogonum vimineum P. A. Munz 1927-5-21 10860 Riverside Cahuilla Comment
  UCR187476  Eriogonum wrightii Theresa Johnson 2006-8-23 272 Riverside Peninsular Range; San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  JOTR29220  Eriogonum wrightii var. nodosum La Doux, Tasha, Mike Bell 2005-9-15 1333 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  UCR35083  Eriogonum wrightii var. nodosum L. B. Ziegler 1969-10-22 395 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  UC1133259  Erioneuron pulchellum H. S. Yates 1937-6-27 6724 Riverside Deep Canyon Thermal Quadrangle (head) Comment
  CAS-BOT-BC297357  Eriophyllum confertiflorum Philip A. Munz 1930-5-1 11918 Riverside Dry Morongo Wash, Little San Bernardino Mts 182 Comment
  RSA544382  Eriophyllum confertiflorum Steve Boyd, Timothy S. Ross 1991-6-14 6397 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UCR16866  Eriophyllum confertiflorum M. Ferro 1970-5-10 12 Riverside Hwy 60 to San Jacinto turnoff [Gilman Springs Rd.]; 4 mi [SE] then 0.25 mi off E side of rd. 457 Comment
  UCR34970  Eriophyllum confertiflorum L. B. Ziegler 1967-5-18 133 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  JOTR35450  Eriophyllum confertiflorum var. confertiflorum Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 54 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop2) Comment
  POM358163  Eriophyllum lanosum Anstruther Davidson 1922-4-1 3527 Riverside Palm Springs. Comment
  UCR16868  Eriophyllum multicaule R. Gagnon 1968-4-13 680413- 01 Riverside Box Springs Mtns, Box Springs Mtns., Pigeon Pass, 3.5 mi. from radio towers along road going up to the towers Comment
  CAS-BOT-BC296931  Eriophyllum wallacei Scott D. White 1996-4-14 3907 Riverside Perris Basin, E OF HEMET: San Jacinto River Wash near Valle Vista, N of Hwy 74, ca. 1.7 mi W of USFS Cranston Fire Station. Riverwash and alluvial benches 548 Comment
  RSA628478  Eriophyllum wallacei A. C. Sanders 1994-5-29 14579 Riverside East Branch Millard Canyon, along Forest Service Road 4S45. 1200 Comment
  SEINET7063448  Eriophyllum wallacei A. G. Vestal 1947-3-30 s.n. Riverside San Jacinto Valley Canyon. UTM Zone 11, 515372mE, 3732988mN. (WGS84/NAD83). 599 Comment
  UC1118232  Eriophyllum wallacei H. S. Yates 1936-4-7 5427 Riverside near Whitewater; San Jacinto Quad. 304 Comment
  UCR177400  Eriophyllum wallacei Marisa Sripracha, K. A. Boyd 2004-3-22 071 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  RSA528105  Erodium botrys Steve Myers 1991-4-15 91 -4 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  UCR245918  Erodium cicutarium Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3951 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCR154536  Eryngium aristulatum var. parishii Jason L. Hlebakos 2005-5-18 703 Riverside Santa Rosa Plateau, Pool on E side of Mesa de Burro, above upper end of Miller Canyon 610 Comment
  SD119897  Erythranthe guttata Louis B. Ziegler 1967-7-17 187 Riverside San Jacinto Mountains. Hemet Valley. Near Herkey Creek Canyon. Moist ground 1584 Comment
  RSA0014885  Erythranthe tilingii M. B. Dunkle 1933-7-22 3751 Riverside Tahquitz Valley. 2317 Comment
  UCD96517  Eschscholzia androuxii Shannon M. Still; Robert Lee 2009-3-3 457 Riverside California. Riverside County: Joshua Tree National Park. 677 Comment
  UCR78439  Eschscholzia caespitosa Scott D. White 1993-4-20 1200 Riverside Estelle Peak, Gavilan Hills 826 Comment
  CAS-BOT-BC403362  Eschscholzia californica T. S. Brandegee No date on label s.n. Riverside Ramona Comment
  RSA433693  Eschscholzia californica Ora M. Clark 1929-2-24 1512 Riverside Cabazon, Colorado Desert. Comment
  UCR107883  Eschscholzia californica B. G. Pitzer 1997-3-23 2994 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR113140  Eschscholzia californica A. C. Sanders 1998-3-11 21664 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, saddle dam site 534 Comment
  POM10157  Eschscholzia californica var. peninsularis P. A. Munz, R. D. Harwood 1920-3-20 3369 Riverside 5 miles S of Corona 305 Comment
  POM158460  Eschscholzia californica var. peninsularis P. A. Munz 1927-5-21 10869 Riverside Coahuila. Comment
  LA46286  Eschscholzia minutiflora H. Lewis; 1949-3-26 778 Riverside 5 mile W of Cottonwood Springs, hwy 60/70 Comment
  RSA278563  Eschscholzia minutiflora T. C. Emmel 1961-3-21 21 Riverside Chino Canyon Comment
  UCD94205  Eschscholzia minutiflora Shannon M. Still 2008-3-21 316 Riverside California. Riverside County: Little Maria Mountains on Midland Road. In a wash north of pass through the mountains just off west side of the road. 272 Comment
  UCSB3653  Eschscholzia minutiflora Ralph, F. 1960-4-1 Riverside Whitewater Canyon; 1.6 miles north of U.S. Hwy 99; Western edge of Colorado Desert Comment
  CAS-BOT-BC419649  Eschscholzia parishii Annie M. Alexander; Louise Kellogg 1941-5-14 2169 Riverside Colorado Desert. 5 miles south of Cottonwood Spring, Eagle Mountains Comment
  UCR279542  Eschscholzia parishii A. C. Sanders, Jim Malusa 2017-3-29 43183 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCR5903  Eschscholzia parishii David T. Wright 1966-3-5 s.n. Riverside Sonoran (Colorado) Desert, 2 mi south of Palm Desert at the mouth of Deep Canyon Comment
  SEINET12090191  Eschscholzia parishii T. M. Lane 1975-1 1 Riverside 1 mi N of US Interstate 10 at S entrance of Joshua Tree National Monument on Pinto Basin Road Comment
  SEINET8043950 Image available Eucalyptus A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-1 41554 Riverside Peninsular Range: Eeastern Foot of the Santa Ana Mtns: Temescal Valley jsut below I-15 bridge near Hostettler Road, Se of Lee (Corona) Lake, south side of I-15, 2.17 km west of Lake St. at Alberhill. 363 Comment
  SDSU12879  Eucalyptus camaldulensis J. Jill Steinberg, Leon Steinberg 1998-4-5 36 Riverside Ca. 50 yards north of abandoned trailer northwest of entrance gate to Santa Magarita (SDSU) Field Station, in abandoned grove of Eucalyptus just south of small stream. 311 Comment
  UCR136261  Eucalyptus camaldulensis A. C. Sanders 2004-6-20 28230 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., wash near I-15 & Temescal Cyn. Rd., west of main clay pit 305 Comment
  POM256724  Eucrypta chrysanthemifolia W. Pequegnat 1940-4-13 s.n. Riverside Bedford Truck Trail. Santa Ana Mountains. 793 Comment
  UCR165411  Eucrypta chrysanthemifolia A. C. Sanders 2005-4-21 29579 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR3955  Eucrypta chrysanthemifolia var. chrysanthemifolia R. L. Irwin 1962-4-21 40 Riverside Beneath center of Crestmore Road bridge over Santa Ana River, and c. 100 ft. west. 244 Comment
  SBBG37500  Eucrypta micrantha R. N. Muller 1967-5-5 Riverside UC Riverside campus, on S side of first E-W ridge S of irrigation reservoir Comment
  UCR213266  Eucrypta micrantha A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37453 A Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UCR240764  Euphorbia abramsiana Neal Kramer, Wendy McBride, Kyle Christie, Suzanne Rhodes 2012-9-5 2071 Riverside Sonoran (Colorado) Desert, Midland Rd. c. 18 miles NNW of Blythe 245 Comment
  UCR245990  Euphorbia abramsiana Duncan S. Bell 2012-9-13 4176 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  UCR140726  Euphorbia albomarginata A. C. Sanders 2004-5-12 27881 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  CDA35314  Euphorbia eriantha G. D. Barbe 1978-5-3 2377 Riverside Chuckwalla Mountains; Corn Springs Wash at end of road, 3.2 miles west of Corn Springs Campground. 0 Comment
  SEINET9602565  Euphorbia eriantha N. H. Holmgren, P. K. Holmgren, R. E. Kern 1973-1 6424 Riverside Big Maria Mountains, 12 airline miles N of downtown Blythe. 290 Comment
  UCR159143  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-3-17 17979 Riverside Coachella Valley, Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  UCR113224  Euphorbia polycarpa A. C. Sanders, Tracy Tennant, A. Montalvo, B. Wagner 1997-11-20 21621 Riverside South of Hemet, North Hills (N side of Diamond/Domenogoni Valley), near future saddle dam of reservoir 549 Comment
  UCR20891  Euphorbia serpillifolia subsp. hirtula A. C. Sanders 1978-7-1 00299 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  RSA407727  Euphorbia spathulata Steve Boyd 1986-5-1 1792 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  SEINET10741473  Eustoma exaltatum J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12840 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  SDSU11512  Fagonia chilensis var. laevis A. H. Gallup 1949-3-28 376 Riverside Near Palms to Pines Hwy. 732 Comment
  CAS-BOT-BC167369  Fagonia laevis Ynez Whilton Winblad 1937-4-23 s.n. Riverside Pines to Palms Highway, Mt. San Jacinto Comment
  RSA0112089  Fagonia laevis Duncan S. Bell 2010-2-21 548 Riverside Arica Mountains; Palen/McCoy Wilderness area; collecting in the central part of range. 418 Comment
  SD45178  Fagonia laevis Helen K. Sharsmith 1952-4-11 4062 Riverside Northwest base of Chuckawalla Mountains seven miles south of Highway 60-70 533 Comment
  UC217900  Fagonia laevis P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4790 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mts. 457 Comment
  UCD107160  Fagonia laevis C. L. Hitchcock 1966-3-16 24209 Riverside Along Palms to Pines Highway, 4 mi. S. of Palm Desert. 609 Comment
  UCR244887  Fagonia laevis A. C. Sanders, T. B. Salvato 2012-10-12 40404 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  UCR277609  Fagonia laevis Aaron C. Sedgwick, Joella Adkins 2012-10-24 147 Riverside Sonoran (Colorado) Desert, Graham Pass Rd. in the Chuckwalla Mtns., c. 1 mile north of Graham Pass 421 Comment
  RSA303553  Ferocactus cylindraceus J. R. Shevock 1972-3-5 1370 Riverside Jeep Road, Anza to Borrego Springs. 305 Comment
  UCR244711  Ferocactus cylindraceus Jim Andre 2012-3-19 21370 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  CLARK-A1528-4652  Festuca grayi John C. Roos 1952-4-9 5482 Riverside Fairmount Park 259 Comment
  UCR158273  Festuca myuros A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29500 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
  UCR16071  Festuca myuros H. C. Sharma 1976-4-26 760426- 02 Riverside Woodcrest, c. 2 miles from Woodcrest on Firethorn Ave 335 Comment
  RSA0120622  Festuca octoflora Duncan S. Bell, Thomas Stoughton 2016-3-15 8933 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  UCR260593  Ficus carica A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41553 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Valley just below I-15 bridge near Hostettler Road, SE of Lee (Corona) Lake, south side of I-15, 2.17 km west of Lake St. at Alberhill 363 Comment
  UCR250906  Filago arizonica A. C. Sanders 2014-4-18 41021 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  RSA559935  Filago gallica Steve Boyd 1992-4-15 6885 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Tenaja Trail (5W07) 0.5 mile N of junction with San Mateo Creek, W of Fisherman's Camp 549 Comment
  RSA171368  Forestiera pubescens J. D. Olmsted 1962-5-3 3542 Riverside N of Santa Rosa Indian Reservation. 1372 Comment
  RSA0018452  Frangula californica subsp. cuspidata T. Scott, A. Townesmith, K. M. Meyer 2007-3-15 132 Riverside San Bernardino National Forest. 14.5 mile S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  POM13788  Fraxinus dipetala P. A. Munz, I. M. Johnston 1922-5-5 5149 Riverside Jack rabbit Trail, near Beaumont. 732 Comment
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Mar 21 2011
  UCR259203  Fraxinus velutina Mitch Provance 2012-3-30 312- 02 Riverside San Gorgonio Pass, south of Banning at Smith Creek, near the corner of Coyote Trail and Old Idyllwild Rd. 693 Comment
  POM13098  Fraxinus velutina var. coriacea P. A. Munz, I. M. Johnston 1922-5-20 5487 Riverside Mouth of Pipe Creek, Hemet Valley 1433 Comment
  CLARK-A1703-81  Fritillaria biflora Sue Damon 1981-4-16 7 Riverside Gavilan Hills Comment
  JOTR36481  Funastrum hirtellum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3441 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  RSA70350  Funastrum hirtellum F. W. Peirson 1922-4-9 4118 Riverside Palm Canyon Region, near Palm Springs. Comment
  RSA778110  Funastrum hirtellum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 927 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UCR122534  Galium andrewsii subsp. andrewsii George K. Helmkamp, E. A. Helmkamp 2001-5-20 6678 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  RSA655109  Galium angustifolium subsp. angustifolium Scott D. White 1999-7-9 7537 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road S24.2. 1432 Comment
  UCR146246  Galium angustifolium subsp. jacinticum R. F. Thorne, Et al. 1969-6-24 38134 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest. Hilltop above Lake Fulmor 1677 Comment
  RSA180291  Galium aparine E. W. Lathrop 1964-5-24 5384 Riverside 14 miles west of Murrieta. Comment
  RSA645690  Galium aparine Scott D. White, Steve Ogg 1994-4-21 1958 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  UC64374  Galium aparine H. M. Hall June 1901 2091 Riverside south side San Jacinto Mountains 1524 Comment
  UCR265819  Galium parisiense Mitch Provance 2012-5-24 512- 10 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  RSA0051333  Galium porrigens var. porrigens Valerie Soza, Steve Boyd 2004-6-22 1728 Riverside San Jacinto Mountains, Forest Service Rd 5S13. 1463 Comment
  RSA0042107  Galium stellatum Duncan S. Bell, Deidre Conocchioli 2014-3-11 6228 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  RSA0041955  Galium stellatum var. eremicum Duncan S. Bell, Marcel Beffort 2014-4-22 6600 Riverside Chuckwalla Mountains; western end of Corn Springs wash/canyon; approximately 0.75 air mile southwest of Aztec Well. 671 Comment
  JEPS29087  Garrya flavescens Carl V. Meyer Jun 1927 183 Riverside along Idyllwild to Tahquitz Peak trail (n slope of Tahquitz Ridge); Tahquitz Ridge 1828 Comment
  HSC101789  Garrya veatchii J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13206 Riverside Along State Route 74 1558 Comment
  RSA601080  Garrya veatchii A. C. Sanders, S. Hawkins, J. Goetzen 1996-5-1 18121 Riverside Morongo Indian Reservation, SE edge of Burro Flats. 1098 Comment
  UCR209335  Gayophytum diffusum Fred M. Roberts, Robt. L. Allen 2008-6-23 7054 Riverside Santa Ana Mountains, Santiago Peak, north slope, Main Divide Truck Trail, 0.4 km north-northeast of summit 1639 Comment
  RSA0026166  Geraea canescens Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17716 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 5 kilometers ENE of north end of Mule Mountains. Comment
  SD27952  Geraea canescens Carl B. Wolf 1932-4-26 2968 Riverside Colorado Desert, 3 miles east of Mecca on Blythe Road. Comment
  UC170153  Geraea canescens E. E. Schellenger 1894-12-5 89 Riverside Eherenberg Road near Red Canon; Colorado Desert Comment
  UC1922402  Geraea canescens Naomi Fraga, Lisa Rojas 2005-2-10 1405 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UC896831  Geraea canescens C. L. Hitchcock 1940-4-4 5946 Riverside Pinto Basin Comment
  UCR174525  Geranium A. C. Sanders, T. B. Salvato 2006-5-4 32246 Riverside Riverside, UCR campus, weeds in botanical garden 351 Comment
  RSA162827  Geranium richardsonii J. D. Olmsted 1959-7-1 722 Riverside Wellman s Cienega at intersection of trail and running water, 5miles NE of Idyllwild, San Jacinto Mts. Willow Tahquitz Creek. 2820 Comment
  POM13241  Gilia angelensis P. A. Munz, I. M. Johnston 1922-5-19 5350 Riverside 5 miles NE of Murietta. 457 Comment
  RSA527861  Gilia angelensis Scott D. White 1991-5-10 91 -139 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  RSA654611  Gilia angelensis Bruce Albert 1982-4-17 61 Riverside Flat field south of Cajalco road, 0.3 miles east of La Sierra Hwy. Comment
  UCR116469  Gilia angelensis A. C. Sanders, T. B. Salvato 2001-3-30 23867 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
  UCR92046  Gilia angelensis Scott D. White 1995-3-30 2653 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  SEINET7040155  Gilia angelensis A. G. Vestal 1962-4-8 Riverside Ca. 3.5 miles north east of Lake Elsinore (Elsinore)on Rt.74. UTM Zone 11, 472765mE, 3731077mN. Comment
  UCR3356  Gilia capitata Heidi A. Haid 1964-5-15 64515- 05 Riverside San Bernardino Valley, Reche Canyon Road, c. 5 mi. from junction with Barton Road 610 Comment
  SJSU11612  Gilia capitata subsp. abrotanifolia N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 5 mi E of E shore, Lake Elsinore Comment
  UC60876  Gilia capitata subsp. abrotanifolia H. M. Hall Apr., 1903 3844 Riverside Morena Valley Comment
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Jul 6 2010
  CAS-BOT-BC257174  Gilia diegensis Duncan S. Bell; Valentin Arvizu 2010-5-10 988 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04 1349 Comment
  POM229450  Gilia diegensis P. A. Munz 1937-5-30 15082 Riverside Northwest slope of Santa Rosa Mountain. 2134 Comment
  RSA171388  Gilia diegensis J. D. Olmsted 1962-5-3 3488 Riverside Edge of Thomas Mountain fire road south of Hemet Lake, NE flank of Thomas Mountain. 1418 Comment
  UCR169782  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 W 610 Comment
  CAS-BOT-BC407611  Gilia ochroleuca subsp. exilis M. Bourell; R. Patterson; S. Timbrook 1986-4-7 2953 Riverside Temescal Canyon Rd., ca. 1 mile SE of Glenn Ivy Hotsprings Rd., ca. 200 m from RR overpass. 259 Comment
  RSA0016200  Gilia ochroleuca subsp. exilis Scott D. White, Bill La Haye 2000-5-27 7960 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA0016299  Gilia ochroleuca subsp. exilis P. A. Munz 1922-4-28 5025 Riverside Temescal Canyon. Comment
  SBBG87642  Gilia ochroleuca subsp. exilis A. C. Sanders, B. Pitzer 1986-4-30 6475 Riverside lower Bee Cyn, 0.2 mi above the mouth of cyn 609 Comment
  UC1979573  Gilia ochroleuca subsp. exilis Darin L. Banks, Steve Boyd 1995-5-3 0256 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
  SDSU3096  Gilia stellata H. Wedberg 1962-4-20 913 Riverside About 1 mile SE of Pinyon Flats on road to Palm Springs. 1219 Comment
  SEINET3004968  Gilia stellata G. Rink 2011-3-24 10392 Riverside Sandy wash north of Blythe, east of the McCoy Mtns 109 Comment
  UCR208049  Glinus radiatus R. E. Riefner Jr. 2003-9-26 03- 379 Riverside Wildomar, approx. 1 mile east of I-15 along Clinton Keith Rd. in vicinity of Smith Ranch Rd. 427 Comment
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Nov 12 2019
  UCR24914  Glyceria elata A. C. Sanders 1980-8-23 1767 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  POM12085  Glycyrrhiza lepidota Mary F. Spencer 1734 Riverside Canyon near San Jacinto Comment
  UC284850  Glycyrrhiza lepidota P. A. Munz 1923-6-18 7132 Riverside Temecula Canyon; along creek Comment
  UCR233084  Gnaphalium canescens subsp. microcephalum T. B. Salvato, Richard Camacho 2011-6-12 5492 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  RSA708178  Gnaphalium luteoalbum Scott D. White, Angelia Carey 2004-5-7 10322 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  CAS-BOT-BC307399  Gnaphalium palustre A. C. Sanders; Guy Bruyea 2003-6-12 26886 Riverside Winchester, SW edge of town between Simpson Ave. and Olive Ave. ca. 1 km west of Hwy 79/Winchester Road 445 Comment
  UCR260556  Gnaphalium palustre T. B. Salvato, Matt Malle 2015-3-31 8100 Riverside Perris-Aguanga Basin, south end of Perris Valley, c. 8 mi south of the Perris Reservoir, northwest corner of Matthews (Case) Road and Menifee Road 446 Comment
  UCR88546  Gnaphalium stramineum A. C. Sanders, J. C. Lyman 1995-4-16 16565 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  RSA162744  Guillenia lasiophylla John Olmsted 1958-3-29 69 Riverside Transiton zone with NE drainage towards the Pinto Basin. Near intersection of Cottonwood Pass and Cottonwood Spring roads, 8 miles N of Souther entrance to Joshua Tree National Monument. 915 Comment
  RSA496370  Guillenia lasiophylla Steve Boyd, L. Arnseth, Timothy S. Ross 1989-3-19 3044 Riverside Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain. 621 Comment
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Sep 19 2010
  RSA597056  Gutierrezia californica D. L. Banks, Lauren Raz 1996-11-5 1161 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; E of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34. 390 Comment
  RSA90697  Gutierrezia californica F. W. Peirson 1920-12-28 5298 Riverside Murray Canyon near Palm Springs Comment
  UCR3585A  Gutierrezia californica O. F. Clarke 1970-10-28 s.n. Riverside Riverside, Botanic Gardens of the University of California, Riverside 396 Comment
  LA99356  Gutierrezia microcephala E. R. Hobbs; 1978-7-17 78- 118 Riverside Avery Canyon, between Santa Rosa Hills and Polly Butte, N side of Gibbel Road, S of Hemet Comment
  UCR215455  Gutierrezia microcephala Jim Andre, T. La Doux 2008-9-16 10690 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  UCD132603  Gutierrezia sarothrae K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  SBBG122760  Harpagonella palmeri A. Parikh 1990-4-25 156 Riverside base of Gavilan Pk, 1.7 km N of Lake Matthews Drive, 1.8 km W of Gavilan Rd 637 Comment
  RSA0066616  Harpagonella palmeri P. A. Munz, Ivan M. Johnston 1922-5-19 5335 a Riverside 5 mi NE of Murietta. 427 Comment
  UCD132672  Hedypnois cretica Mitch Provance 1999-5-4 1681 Riverside Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 243 Comment
  CAS-BOT-BC306528  Helenium bigelovii Edmund C. Jaeger 1922-7-10 s.n. Riverside Tacquitz [Tahquitz] Valley - San Jacinto Mts Comment
  UCR9266  Helianthemum scoparium O. F. Clarke 1969-10-25 s.n. Riverside San Jacinto Mtns, Along Banning- Idyllwild Rd. near the Poppet Flats turnoff 1280 Comment
  UCR48417  Helianthemum scoparium var. aldersonii Steve Boyd 1986-4-22 1745 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  POM320325  Helianthemum scoparium var. scoparium David Wheat 1968-5-16 139 Riverside 7.7 miles W Washington Ave-Guava St, Murietta, in Rancho California, Santa Ana Mt. 244 Comment
  UCR22006  Helianthus annuus Steve Boyd 1980-9-8 347 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR58164  Helianthus californicus 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
  UCR271517  Helianthus gracilentus T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8360 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
  RSA512159  Heliotropium curassavicum var. oculatum Ed LaRue 1989-5-9 s.n. Riverside North side of Temescal Wash, N of frontage rd. along Hwy 71, ca. 1/2 mile (airline) NW of Alberhill. 396 Comment
  RSA77874  Heliotropium curassavicum var. oculatum F. W. Peirson 1920-6-22 994 Riverside Temescal canyon 305 Comment
  SD122190  Heliotropium curassavicum var. oculatum James C. Dice, J. DeWald 1987-10-5 735 Riverside Santa Margarita River near aquaduct crossing. 245 Comment
  UCR20804  Hemizonia fasciculata A. C. Sanders 1980-5-13 01453 Riverside Gavilan Hills, near Lake Mathews, intersection of Cajalco Rd. and Mockingbird Cyn. [El Sobrante] Rd. Comment
  RSA674809  Hemizonia kelloggii Scott D. White 2001-6-29 8628 -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
  RSA735946  Hemizonia kelloggii Scott D. White, Justin M. Wood 2008-6-13 12101 Riverside Beaumont Badlands: San Timoteo Canyon, near El Casco Lake (private pond) E of the road. 579 Comment
  RSA614089  Hemizonia mohavensis A. C. Sanders, Clarke, Alexander, et al. 1994-1-1 14224 Riverside Drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Road (dirt). 280 Comment
  UCR193747  Hemizonia mohavensis A. C. Sanders, Mitch Provance 2008-7-11 35751 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  UCR194232  Hemizonia mohavensis Scott D. White, J. Wood 2006-9-13 11643 Riverside Perris Basin/San Jacinto Mtn Foothills, Gibbel Flat in the Santa Rosa Hills 671 Comment
  UCR136198  Hemizonia paniculata A. C. Sanders 2004-6-20 28222 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., hilltop above I-15, SW of main clay pits 378 Comment
  UCR235053  Hemizonia pungens subsp. laevis A. C. Sanders, John F. Green 2012-5-27 40218 Riverside Peninsular Range; Perris-Aguanga Basin Region, Lake Elsinore, SE of Riverside Dr. (Hwy 74) on NE side of Pasadena Ave., NW of Central Ave. 386 Comment
  UCR40448  Hemizonia pungens subsp. laevis Steve Boyd 1985-8-7 1114 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  UCR66972  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney, P. Gordon-Reedy 1989-6-5 1934 Riverside Domengoni-Diamond Valley, just west of Gateway Farms south of Newport Rd. [1 mi. west of] Rawson Rd. [site now under water of Diamond Valley Reservoir] 517 Comment
  UCR92288  Hemizonia pungens subsp. laevis Scott D. White, M. A. Patten 1995-8-16 3550 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  UCR232789  Herniaria hirsuta subsp. cinerea John F. Green 2008-4-15 0408- 26 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  GMDRC4153  Hesperocallis undulata J. Andre, T. La Doux 2010-2-28 12546 Riverside Lower Colorado River Valley: along Hwy 95 approx 20 mi. south of Vidal Junction, at southeast corner of Riverside Mountains 145 Comment
  RSA501022  Hesperocnide tenella Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3141 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  RSA0072393  Heteromeles arbutifolia A. C. Sanders 1995-11-26 17913 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, S of Hwy 371. Crossing Spanish Spur Trail, 0.3 mi. S of Tule Peak Rd. 1204 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
  RSA0075898  Heterotheca grandiflora Steve Boyd, T. S. Ross 1989-8-28 3799 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  CDA7958  Heterotheca villosa E. Johnson 1946-8-6 Riverside San Gorgonio Pass. 0 Comment
  RSA0063011  Heuchera E. C. Jaeger 1939-5-28 s.n. Riverside Pinon Alta Flats. 1828 Comment
  UCR44458  Heuchera hirsutissima A. C. Sanders 1986-6-1 6543 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  HSC47338  Hibiscus denudatus R. W. Spjut 1978-5-17 5044 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center 335 Comment
  UC1542729  Hieracium horridum Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-5 7427 Riverside head Andreas Canyon (on n side Red Tahquitz Peak); San Jacinto Mts. 2438 Comment
  SDSU254  Hilaria rigida A. H. Gallup 1949-3-28 375 Riverside In sandy wash near Palms to Pines Hwy. San Jacinto Mtn. Range. Slope: east. 762 Comment
Read comments
Jan 24 2013
  UCR272439  Hilaria rigida Cheryl Sevilla, Sarah J. De Groot 2015-3-18 037 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, off the Pacific Crest Trail c. 2 air miles north-northwest from the Whitewater Preserve Ranger Station, on the hillside east of the Whitewater River drainage 822 Comment
  SD122905  Hoita macrostachya Steve Boyd 1985-7-30 1049 Riverside De Luz Road, 10.4 miles west of Rancho California, in wet sand along stream at the point where east branch of De Luz Creek first crosses the road Comment
  UCR191542  Hordeum intercedens A. C. Sanders 2008-4-15 34889 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 391 Comment
  UCR201820  Hordeum intercedens Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  HSC10209  Hordeum murinum subsp. murinum C. L. Hitchcock, C. V. Muhlick 1961-3-17 23083 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  SDSU13568  Hordeum vulgare var. trifurcatum W. Miller 1972-7-12 Riverside x Comment
  CAS-BOT-BC201092  Hosackia crassifolia Carl B. Wolf 1932-8-4 3909 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  CLARK-A1528-1951  Hulsea vestita John C. Roos 1965-6-13 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC312588  Hulsea vestita subsp. callicarpha Peter H. Raven; R. Snow 1957-7-26 11098 Riverside Banning-Idyllwild road, 0.7 mi. n. of Vista Grande Ranger Station, San Jacinto Mts. Comment
  POM11429  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-3 5960 Riverside S slopes of Santa Rosa Mts. 1676 Comment
  RSA489831  Hulsea vestita subsp. callicarpha D. Charlton 1988-5-28 2126 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area 2286 Comment
  UCSB26726  Hulsea vestita subsp. callicarpha Wilken, Dieter 1969-6-30 Riverside Riverside County Road R1, near Black Mtn. junction, 8.6 miles north of Idyllwild, San Jacinto Mtns. 1524 Comment
  POM361071  Hymenoclea salsola M. B. Dunkle 1937-3-25 4946 Riverside Colorado Desert. Shaver's Well Comment
  SEINET156514  Hymenoclea salsola Norman C. Cooper 1944-4-23 1120 Riverside Cabazon. 457 Comment
  JOTR30090  Hymenoclea salsola var. salsola La Doux, Tasha, Alice Miller 2007-5-8 1735 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common. 1385 Comment
  JOTR30094  Hymenoclea salsola var. salsola La Doux, Tasha, Alice Miller 2007-5-8 1735 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common. 1385 Comment
  UCR120197  Hypochaeris glabra Mitch Provance 1998-3-6 143 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 351 Comment
  CAS-BOT-BC158106  Hyptis emoryi W. R. O. 1974-6-28 0415 Riverside West Riverside Mnts in pass area Comment
  CAS-BOT-BC219767  Hyptis emoryi J. Beley 1974-2-21 0430 Riverside 3 1/2 mi North of Benchmark 215 NE of Indio Comment
  UC65007  Hyptis emoryi E. E. Schellenger 25 Riverside Chucawalla Wells; Colorado Desert, Chucawalla Wells Comment
Read comments
Jan 23 2012
  UCD124919  Hyptis emoryi Geoffrey Levin 1975-4-5 469 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. 60 Comment
  CLARK-A1528-1240  Imperata brevifolia John C. Roos 1965-7-22 Riverside Palm Springs 149 Comment
  UCR166827  Ipomoea purpurea Michael D. Wilcox 2005-11-19 s.n. Riverside San Bernardino Valley, Mira Loma, 13 acre fallow field at the south east junction of Hamner Ave. and Galena St., at the San Bernardino County line approximately 1.6 miles north of Swan Lake Trailer park 229 Comment
  CAS-BOT-BC311616  Isocoma acradenia var. eremophila S. B. Parish 1912-10-8 8353 Riverside Indio, Salton Sink -6 Comment
  RSA155458  Isocoma acradenia var. eremophila L. S. Rose 1961-11-23 61062 Riverside La Quinta. 15 Comment
  UC12386 Image available Ivesia callida H. M. Hall 1901-8-1 2611 Riverside near Tauquitz; San Jacinto Mts.; near Tauquitz, San Jacinto Mts. Comment
  UCR189782  Juglans californica var. californica Theresa Johnson 2007-10-24 403 Riverside Peninsular Ranges, Perris-Aguanga basin, Badlands, just north of Highland Blvd Comment
  CAS-BOT-BC126766  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37160 Riverside Peninsular Range: Riverside, between UCR agricultural operations fields, along Iowa Ave. between University Ave. and M.L. King Blvd. 305 Comment
  SD262302  Juglans hindsii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617 3 Riverside Temescal Valley: Horsethief Canyon Wash, S side of I-15, vicinity of De Palma Rd. (Alberhill 7.5'Q) 377 Comment
  UCR216053  Juglans hindsii R. E. Riefner Jr. 2009-8-15 09- 174 Riverside Temecula, Temecula Canyon, Santa Margarita River, c. 1.5 mi. west of I-15 Fwy 298 Comment
  JEPS66902  Juncus acutus subsp. leopoldii W. L. Jepson 1914-5-22 6041 Riverside e of Thousand Palms; Colorado Desert, Palm Canyon Comment
  JEPS19724 Image available Juncus acutus var. sphaerocarpus W. L. Jepson 1914-5-22 6041 Riverside near Thousand Palms Canyon; ; Near Thousand Palms Canyon Comment
  RSA789241  Juncus bufonius Naomi Fraga, Erika Gardner, Beth Kempton, Tom Kerrin-Torres, Michael Wall 2008-7-17 2423 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  UCR225503  Juncus bufonius A. C. Sanders, T. B. Salvato 2011-3-29 38848 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  UCR241393  Juncus bufonius T. B. Salvato 2013-3-22 7395 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  UC1099771  Juncus bufonius var. occidentalis Frank W. Peirson 1922-4-29 2928 Riverside s side Lake Elsinore Comment
  UC146450  Juncus duranii Charlotte M. Wilder 1909-7-12 924 Riverside head of Round Valley San Jacinto Mts. Comment
  UC1601743  Juncus effusus subsp. austrocalifornicus H. M. Hall Jul 1901 2390 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1645 Comment
  POM49549  Juncus macrophyllus Phillip A. Munz, I. M. Johnston 1924-7-27 8756 Riverside Dark Canyon, San Jacinto Mountains. 1890 Comment
  RSA627509  Juncus macrophyllus Scott D. White 1998-7-31 6952 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  SD71853  Juncus oxymeris Helen V. Witham 1969-7-2 249 Riverside In creek bed, DeLuz Creek, on road from DeLuz to Murietta, 7 miles south of Murietta. 299 Comment
  RSA368337  Juncus rugulosus L. C. Wheeler 1932-9-4 1331 Riverside Santa Ana River at Chino Creek 183 Comment
  UCR116688  Juncus rugulosus George K. Helmkamp 1974-7-14 s.n. Riverside Santa Ana Mtns. region, Ortega Oaks Park on Hwy 74 610 Comment
  RSA38405  Juniperus californica Philip A. Munz 1946-10-21 11593 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  SEINET10531629  Juniperus californica Charles L. Hitchcock 1940-4-3 Hitchcock 5933 Riverside 2.5 km northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree National Monument. Comment
  CAS-BOT-BC234587  Justicia californica D. E. Breedlove 1962-3-11 1879 Riverside On rocky bank of Cat Creek, 3 miles southwest of Palm Desert 426 Comment
  LA202787  Justicia californica B. Lewis; 1939-4-9 sn Riverside Palms to Pines Highway 152 Comment
  RSA402297  Justicia californica Ora M. Clark 1929-2-22 1574 Riverside Sandy desert valleys. So. of Palm Springs. Colorado Desert. Comment
  SJSU127  Justicia californica C. D. Duncan 1933-3-25 Riverside between Mecca & Shavers Well Comment
  RSA780238  Kallstroemia californica Stephanie Rockwood, Christi Gabriel 2011-10-12 95 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  UCR89730  Kallstroemia californica J. M. Stewart 1990-9-23 661 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  RSA314156  Keckiella antirrhinoides Walter Wisura 1983-7-9 3917 Riverside 10.5 mi from the junction with Hwy 111 along Hwy 74. Comment
  SEINET3079796 Image available Keckiella antirrhinoides Cindy Huebner 1988-4-17 8 -9 Riverside S of Riverside at Harford Springs County Park; Gavilan Road; 1 mi. E of Cajalco Road 732 Comment
  UC1063329  Keckiella antirrhinoides R. St. John 1929-5-23 30 Riverside Bautista Canyon; San Jacinto Quad. 609 Comment
  CAS-BOT-BC236710  Keckiella antirrhinoides subsp. antirrhinoides H. E. McMinn 1925-7-1 1491 Riverside At base control to Idylwild, San Jacinto Mts. Comment
  RSA6133  Keckiella antirrhinoides subsp. microphylla B. D. Stark 1933-5-3 4987 Riverside 8 mi. up on the Palms to Pine Highway, San Jacinto Mts. Upper Sonoran. 1220 Comment
Read comments
Oct 30 2011
  RSA764124  Keckiella cordifolia Linda M. Prince, Duncan S. Bell 2009-6-17 577 Riverside Cleveland National Forest Comment
  UCR251872  Keckiella cordifolia M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  RSA0019429  Keckiella ternata subsp. ternata Philip A. Munz 1922-6-27 5852 Riverside Santa Rosa Mountains. 2012 Comment
  UCR119420  Kochia scoparia Mitch Provance 1998-6-20 710 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR19013  Koeleria macrantha John C. Roos 1952-4-29 5598 Riverside Reche Canyon 457 Comment
  UCR20551  Koeleria macrantha W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  CAS-BOT-BC61429  Krameria bicolor K. Larson 1976-6-10 2033 Riverside About 30 mi. E. of Indio. S. of Chiriaco Sum. Comment
  CAS-BOT-BC61439  Krameria bicolor David Dreyer 1968-7-1 s.n Riverside Near campground in Joshua Tree National Monument Comment
  JEPS64846  Krameria erecta Marjorie D. Clary 1932-4-16 1202 Riverside 17 mi sw Coachella (Agua Alta Canyon); Colorado Desert, Agua Alta Canyon 548 Comment
  SEINET3004984  Krameria erecta G. Rink, M. Baker 2011-4-1 10411 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  JEPS64826  Krameria grayi W. L. Jepson 1912-10-28 5238 Riverside near Riverside Mts. (<Botanical Expedition along the Colorado River Needles to Yuma..>); Colorado River, near Riverside Mts. 91 Comment
  VVC289  Krameria grayi W. W. Mayhew 1960-4-14 s.n. Riverside Colorado Desert, 3 miles NW of Palm Springs 85 Comment
  HSC10263  Lamarckia aurea C. L. Hitchcock, C. V. Muhlick 1964-3-17 23114 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  RSA524610  Lamarckia aurea Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3933 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  SEINET3221824 Image available Lamarckia aurea Howard Gentry, Bruce Gentry 1973-4-16 23192 Riverside Gentry Ranch, 3.5 mi NE of Murrieta. 396 Comment
  UCR96718  Lamarckia aurea A. C. Sanders 1997-3-1 19716 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA489113  Lamarckia aurea L. F. LaPre, J. Easton 1988-1-27 s.n. Riverside Santa Rosa Plateau; Mesa de Burro, Santa Rosa Springs Ranch Comment
  UCR279602  Langloisia setosissima subsp. setosissima A. C. Sanders, Jim Malusa 2017-3-28 43166 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
  RSA0084167  Langloisia setosissima subsp. setosissima Steve Boyd, Orlando Mistretta 1986-3-13 1456 Riverside West side Palen Mts.: NE of Desert Center. Comment
  OBI8642  Larrea divaricata Robert F. Hoover 1969-4-11 11216 Riverside Mouth of Morongo Valley Cyn Comment
  CSUSB315  Larrea tridentata Anne Brown, Cary Brown 1964-4-11 11464 1 Riverside Palms-To-Pines Highway, just off Highway. 853 Comment
  HSC21920  Larrea tridentata J. J. Wagoner 1965-4-12 27 Riverside 8 mi. NE of Palm Springs in Whitewater Canyon. Comment
  RSA480026  Larrea tridentata Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2149 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA652039  Larrea tridentata Bill Trimble 1949-2-20 s.n. Riverside Found in Whitewater Canyon in the Colorado Desert 10 miles off highway 99. 457 Comment
  UCD107211  Larrea tridentata Gordon Pilone 1961-3-1 101 Riverside White Water Canyon one-half mile below fish hatchery. San Bernardino Mt. Range. 457 Comment
  UCR41272  Larrea tridentata B. G. Pitzer 1986-2-9 9 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  UCR89566  Larrea tridentata George K. Helmkamp 1994-3-8 41 16 Riverside Western Colorado Desert, SW-facing slope at the junction of [Date] Palm Dr. and Varner Rd., below Edom Hill, 'Indio Hills 152 Comment
  SEINET10289627  Larrea tridentata John Thieret, Brandenburg, David 1982-6-5 53088 Riverside 25 mi E of Desert Center; Larrea-Hilaria-Franseria desert Comment
  SEINET7063456  Lastarriaea coriacea A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502421mE, 3715161mN. (WGS84/NAD83). 565 Comment
  CAS-BOT-BC338933  Lasthenia californica F. W. Peirson 1922-4-29 4520 Riverside Lake Elsinore 374 Comment
  HSC5138  Lasthenia californica R. A. Eagle 1964-3-28 2 Riverside 5 mi. out of Riverside on Van Buren; just off to the side of the road Comment
Read comments
Jul 8 2010
  SD119901  Lasthenia californica Robert McAllister 1969-4-21 343 Riverside San Jacinto Valley; from area near Avery Canyon. 490 Comment
  CAS-BOT-BC352912  Lasthenia coronaria John Thomas Howell 1928-3-11 3415 Riverside Morongo Canon, n. Colorado Desert Comment
  RSA543159  Lasthenia coronaria Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6089 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UC63212  Lasthenia coronaria H. M. Hall 1903-3-28 3714 Riverside s side of Box Spring Mt.; Riverside 426 Comment
  UCR102761  Lasthenia coronaria B. G. Pitzer 1998-3-7 3586 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
  CAS-BOT-BC328102  Lasthenia glabrata subsp. coulteri Mitch Provance 2005-5-17 6555 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca 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
Read comments
Apr 27 2018
  UCR189563  Lasthenia glabrata subsp. coulteri Diane Menuz 2006-5-9 078 Riverside Peninsular Range, Perris Basin, San Jacinto Wildlife Area, across the street from main headquarters and information booth 432 Comment
  UCR122770  Lasthenia gracilis George K. Helmkamp, E. A. Helmkamp 1998-4-24 3374 Riverside San Jacinto Mountains, 0.1 mi east of the junction of Calif. Hwy 74 and Calif. Hwy 371, SE side of the mountains 1494 Comment
  UCR225623  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-3-28 38829 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
  RSA33899  Lathyrus vestitus subsp. laetiflorus N. C. Cooper 1945-5-24 1637 Riverside Big Oaks Canyon, Banning. 1219 Comment
  RSA608358  Lathyrus vestitus subsp. vestitus Leota Brice 1930-4-13 30 Riverside San Jacinto Mts. Comment
  PASA2318  Layia platyglossa Frank W. Peirson 1919-4-15 Riverside Whitewater Grade near Cabazon 548 Comment
  RSA741421  Layia platyglossa Justin M. Wood 2008-12-2 258 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  SBBG93122  Layia platyglossa D. Mitchell 1990-4-30 Riverside W side of Sage Rd, ca. 0.5 mi S of intersection with Wilson Valley Rd 701 Comment
  UC50334  Layia platyglossa H. M. Hall 1903-4-1 3981 Riverside vicinity Riverside 365 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
  POM361706  Layia platyglossa subsp. campestris N. C. Cooper 1945-5-5 2251 Riverside San Gorgonio Mountains above Banning. 915 Comment
  RSA522763  Layia platyglossa subsp. campestris Steve Boyd, L. Arnseth 1990-3-29 3870 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
  RSA588600  Lemna minuta Darin L. Banks, Steve Boyd 1995-10-17 811 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 to the E, just W of the Metasedimentary hills. 524 Comment
  UCR41785  Lepidium chalepense Michele Tracy 1986-4-15 s.n. Riverside Perris-Aguanga Basin, near Hemet 549 Comment
  RSA601921  Lepidium dictyotum var. acutidens D. E. Bramlet 1997-3-13 2493 Riverside Nichols Road Wetlands. The site is located approximately 275 m SE of Nichols Road, 91 m W of Collier Ave and 305 m W of the I-15. The locality is E of the existing dirt road extending S from Nichols Road and adjacent to Alberhill Creek. 381 Comment
  UCR21964  Lepidium dictyotum var. dictyotum Steve Boyd 1980-5-20 s.n. Riverside Harford Springs County Park, NW corner of the Gaviln Plateau. S fork of the creek, S end of park Comment
  CAS-BOT-BC89433  Lepidium fremontii Ira L. Wiggins 1937-3-9 8745 Riverside Chuckawalla Spring, Chuckawalla Mountains. Comment
  HSC101221  Lepidium fremontii Jim Andre 2012-3-19 21394 Riverside Palen Mountains; along Palen Pass Rd. at Pallen Pass. 383 Comment
  LA204417  Lepidium fremontii Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Cottonwood Spring Comment
  UCSB2386  Lepidium fremontii Bobkowski, Vincent 1960-4-2 Riverside 60 yards south of Southern Entrance to Joshua Tree National Monument; off U.S. 60-70 (near intersection of 60-70 with Calif. 195) Comment
  RSA66733  Lepidium lasiocarpum F. W. Peirson 1920-2-15 2834 Riverside Palm Springs, Tahquitz Camp. Comment
  SEINET269469  Lepidium latifolium Scott D. White, Steve Ogg 1994-10-17 2479 Riverside City of Temecula Murrieta Creek channel directly west of Las Haciendas/Del Rio intersect. USGS 71/2' Murrieta quad. 299 Comment
  RSA612508  Lepidium nitidum var. nitidum D. L. Banks, Joe Moreno 1997-2-5 1266 Riverside NW Palomar Mtns, Agua Tibia Mountains: Pechanga Indian Reservation. Recently burned area at the northerd boundary of the Reservation, just north of Anza Road. 409 Comment
  RSA614545  Lepidium virginicum var. robinsonii A. C. Sanders, Waines, Ehdaie Aryavand 1997-3-12 19881 Riverside Lake Skinner area; Lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  UCR106731  Lepidium virginicum var. robinsonii John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR181624  Lepidium virginicum var. robinsonii Mitch Provance 2004-5-1 7603 Riverside Granitic Knolls of Riverside, Riverside, W side of Versity Hill (Coyote Hill), south side of the UCR campus 396 Comment
  UCR97684  Lepidium virginicum var. robinsonii A. C. Sanders, G. Helmkamp 1997-3-15 19924 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  LA31382  Lepidospartum squamatum Jane Turner; 1959-3-29 Riverside Morongo Wash Comment
  SEINET1906295  Leptodactylon californicum Sarah J. De Groot, Elizabeth A. Kempton 2006-1 5211 Riverside Along Hwy 243, N slope of San Jacinto Mountains. 730 Comment
  UC23618  Leptodactylon pungens H. M. Hall June, 1901 2130 Riverside Santa Rosa Mountain San Jacinto Mountains, , Coyote Canyon (dry hillsides of Coyote Canyon) 1524 Comment
  HSC85273  Leptosiphon liniflorus Steve Boyd 1986-4-22 1779 Riverside Gavilan Hills: Plateau remnant on ridge E of Estelle Mtn., S of Dawson Canyon Comment
  UC129472  Lesquerella tenella H. M. Hall 1905-4-22 5845 Riverside Canyon Springs , Canyon Springs (Colorado Desert) Comment
  RSA700101  Lessingia glandulifera var. glandulifera Virginia Moran 2003-9-1 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management: Section 33 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  SD175800  Lessingia glandulifera var. glandulifera Mike Lahti 2006-9-12 1356283 Riverside Sage Ranch Nursery, 41801 East Benton Rd., Hemet. 715 Comment
  CAS-BOT-BC283711  Leymus condensatus Scott D. White; Justin Wood 2008-5-29 12041 Riverside Beaumont Badlands: W of Beaumont, near SR-60 crossing over San Timoteo Creek 671 Comment
  RSA570690  Leymus triticoides Steve Boyd, Timothy S. Ross, J. Travis Columbus 1993-10-23 8196 -B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  CLARK-A1045-167  Linanthus androsaceus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5' Q Comment
  UCR1211  Linanthus androsaceus Martha McCarthy 1960-4-24 s.n. Riverside Santa Ana Mtns., 0.25 west of Tenaja Rd., 12.6 miles from junction with Washington Ave., Murrieta Comment
  RSA468574  Linanthus androsaceus subsp. luteolus N. C. Cooper 1945-5-24 1631 Riverside Big Oaks Canyon, Banning. 1219 Comment
  UC52868  Linanthus aureus H. M. Hall 1902-4-12 2836 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert 152 Comment
  JOTR30666  Linanthus aureus subsp. aureus La Doux, Tasha, Jim Andre 2008-3-21 142 Riverside Joshua Tree National Park. Pinkham exit dirt road, at Cottonwood Visitor's Ctr, just N. of Cottonwood Cyn 938 Comment
  UC455667  Linanthus ciliatus I. J. Condit 1910-6-24 Riverside Strawberry Valley San Jacinto Mts. 914 Comment
  RSA550019  Linanthus dianthiflorus subsp. dianthiflorus W. Wisura, A. King, Lydia Newcomb 1992-4-10 4678 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  RSA67763  Linanthus dianthiflorus subsp. dianthiflorus G. R. Campbell 1951-4-22 16074 Riverside Hwy 74, 4 mi. above Cranston Ranger Stn. 1005 Comment
  RSA554019  Linanthus jonesii A. C. Sanders, E. J. Lawlor 1992-4-4 12127 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UC23671  Linanthus lemmonii Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  UCR19163  Linanthus liniflorus John C. Roos 1960-5-30 s.n. Riverside Peninsular Range/Santa Ana Mtns., ridge east of Sugarloaf [=Pleasants Peak] 1067 Comment
  UC1608254  Linanthus parviflorus Steve Boyd and Orlando Mistretta 1992-4-23 7070 Riverside San Mateo Creek, from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 304 Comment
  UCR201621  Linum lewisii Scott D. White, Justin M. Wood 2008-6-16 12146 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  RSA0010980  Lithophragma affine Justin M. Wood 2009-5-11 680 Riverside Hwy 243 near Ranger Peak, roadside. 1433 Comment
  SBBG69642  Lobelia cardinalis M. D. Clary 1928-7-7 Riverside Snow Crk, Mt San Jacinto Comment
  UCR4110  Lobularia maritima Ronald M. Cope 1965-4-13 s.n. Riverside Riverside. On side of earthen dam, south of where Gage Canal goes underground for the second time after having crossed Le Conte Dr. 259 Comment
  SEINET7073481  Loeflingia squarrosa A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: WGS84/NAD83. (33? deg. 32' 2" North Latitude; -117? deg. 9' 9" West Longitude. UTM Zone 11, 485829mN, 3710290mN. Coordinate datum: NAD27). Comment
  UCR20971  Loeflingia squarrosa A. C. Sanders 1980-5-2 1428 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR26384  Loeflingia squarrosa A. C. Sanders, S. Hagopian 1981-5-20 2129 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  JOTR31234  Loeseliastrum matthewsii La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2018 Riverside Joshua Tree National Park. Pinto Basin; (Stop 6) sandy wash leading to Pinto Wash 354 Comment
  RSA796503  Loeseliastrum matthewsii J. Andre 2012-3-19 21359 Riverside Palen Valley; along Palen Pass Road (dirt), 1.2 miles east of Highway 177. 184 Comment
  RSA800112  Loeseliastrum matthewsii Duncan S. Bell 2013-4-7 4761 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  SEINET251732 Image available Lolium multiflorum Walter Graves 2002-6-11 602 -3 Riverside Riverside: grown at UCR in Agricultural Operations Fields (Riverside East 7.5' Q.:). 305 Comment
  UCR232795  Lolium perenne subsp. multiflorum John F. Green 2008-4-16 0408- 49 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  SEINET251730  Lolium rigidum Walte Graves 2002-6-11 602 -1 Riverside Grown at U.C. R. in Agricultural Opeations Fields 305 Comment
  RSA613134  Lomatium dasycarpum var. dasycarpum D. L. Banks 1997-3-6 1404 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  SBBG95112  Lonicera interrupta S. D. White 1990-7-10 Riverside E Millard Cyn, on the rd to Kitching Peak Trail 1127 Comment
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Sep 8 2014
  POM284254  Lonicera subspicata var. denudata Victor Duran 1933-7-2 3496 Riverside Vandeventer Flat, Santa Rosa Mountains. 1524 Comment
  RSA748223  Lonicera subspicata var. denudata T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 114 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  SD51938  Lonicera subspicata var. johnstonii Reid Moran 1962-7-7 9869 Riverside By Strawberry Creek, 2.0 miles southwest of Idyllwild, San Jacinto Mountains. 1550 Comment
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Feb 23 2013
  RSA406418  Lotus M. B. Dunkle 1932-3-26 2937 Riverside Northwest of Indio, 10 miles. Comment
  SEINET3224411  Lotus argophyllus G. Goodwin 2012-6-15 3465 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  POM1865  Lotus argophyllus var. argophyllus H. M. Hall 1902-04 2899 Riverside Vicinity of Sage 762 Comment
  UCR237697  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4508 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
  UCR12567  Lotus corniculatus Bill Schultz 1972-5-22 720522- 27 Riverside Peninsular Range, 100 yards north of horse corrals at Rancho California, 25 yards east of Highway 395 305 Comment
  RSA748359  Lotus crassifolius var. crassifolius Sarah J. De Groot, Naomi Fraga 2004-7-8 4389 Riverside San Jacinto Mountains: East of Idyllwild along Chimney Flats Road 5S06, off end of Tollgate Road. Between intersection of 5S06 and 5S24 and intersection of 5S06 with 5S04. 1524 Comment
  RSA614095  Lotus hamatus D. L. Banks 1997-4-5 1698 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  UCR42785  Lotus hamatus B. G. Pitzer, Karen Kirtland 1986-5-20 0230 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
  UC15659  Lotus heermannii H. M. Hall 1901-6 2379 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  UCR161439  Lotus heermannii A. C. Sanders, Mike Misenhelter 2005-9-20 31685 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR225579  Lotus humistratus A. C. Sanders, T. B. Salvato 2011-3-29 38876 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  UCR256089  Lotus nevadensis var. davidsonii G. D. Wallace 2003-7-8 4034 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  RSA406174  Lotus nevadensis var. nevadensis M. B. Dunkle 1933-7-19 3668 Riverside Strawberry Valley. San Jacinto Mountains. 1707 Comment
  RSA90412  Lotus oblongifolius F. W. Peirson 1924-7-28 5018 Riverside Pine Flats Camp 1799 Comment
  RSA771105  Lotus procumbens var. procumbens Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4734 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  CLARK-A1528-5009  Lotus purshianus John C. Roos 1937-6-7 2400 Riverside San Jacinto Comment
  UC489131  Lotus purshianus var. purshianus C. V. Meyer 1928-7-30 588 Riverside Saunders Meadow 1676 Comment
  JEPS55815  Lotus rigidus John Thomas Howell 1928-1-30 3314 Riverside Cottonwood Springs Colorado Desert Comment
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Sep 20 2011
  SFV5011  Lotus rigidus F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Rocky roadside, Seven Level Hill about 10 miles south of Palm Desert on Route 74 to Hemet. 610 Comment
  UC111311  Lotus rigidus S. B. Parish 1907-4-22 6147 Riverside w edge Colorado Desert; , Palm Canyon 200 Comment
  POM158595  Lotus salsuginosus G. R. Vasey 1880-06 126 Riverside Temecula Comment
  UC1584110  Lotus salsuginosus Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3834 Riverside n side mouth of Temecula Creek Canyon (and adjacent benches of Big Oak Mtn.); Vail Lake Area, Big Oak Mtn. 396 Comment
  SEINET10937013  Lotus scoparius Barbara J. Ertter, Jeffrey Strachen 1980-5-20 Ertter 3469 Riverside W side whitewater hill, e side whitewater wash, nw end of coachella valley n of I-10. Granitic sand, with encelia, psorothamnus, and other shrubs. T3s, sec 12, Nwsw. Much branched perennial herb. Flowers yellow. 457 Comment
  UCR158139  Lotus scoparius subsp. brevialatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30092 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
  UCR178523  Lotus scoparius subsp. brevialatus R. G. Swinney 1967-2-12 0025 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  UC729657  Lotus scoparius var. brevialatus Carl B. Wolf 1932-5-25 Riverside just above Fish Hatchery (n base of San Jacinto Mts.); San Jacinto Mts., Snow Creek Canyon 670 Comment
  RSA498742  Lotus strigosus E. C. Jaeger 1922-3-15 724 Riverside Mecca calif alt 200ft.Colorado Desert region. Comment
  RSA67307  Lotus strigosus G. R. Campbell 1951-4-22 16002 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 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
  UCR111768  Lotus strigosus Mitch Provance 1998-3-18 225 Riverside City of Riverside, Property along the W side of Stater Bros. near the corner of Colorado Ave. and Adams St. 241 Comment
  SEINET3218478 Image available Lotus strigosus var. tomentellus T. B. Salvato 2010-4-20 4061 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe (McCoy Peak 7.5' Q.) 183 Comment
  RSA525225  Lotus wrangelianus Steve Boyd 1990-5-3 4603 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA680556  Lotus wrangelianus Scott D. White, Michael Honer 2003-4-30 9135 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  JOTR32829  Lupinus andersonii La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1553 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  RSA776936  Lupinus arizonicus Amber Swanson, Duncan S. Bell 2011-3-18 219 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  SBBG3529  Lupinus arizonicus K. K. Muller 1958-3-22 912 Riverside opposite S entrance of Joshua Tree Nat Monument, 2 mi S of Hwy 60 Comment
  UCSB3417  Lupinus arizonicus Graney, Don 1953-3-20 Riverside Arroyo, 1 mile from White Water, in White Water Canyon Comment
  JEPS29311  Lupinus bicolor Rimo Bacigalupi and L. Heckard 1962-3-25 8406 Riverside 3.3 mi nw Alberhill (on w-facing hillslope near headwaters of Temescal Wash and Canyon, western base of Estelle Mountain and just opposite Indian Canyon (from w)); western base of Estelle Mountain, Temescal Wash and Cyn 335 Comment
  RSA0013624  Lupinus bicolor LeRoy Gross, Duncan S. Bell 2013-4-30 6031 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek., Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  RSA744304  Lupinus bicolor M. Wall 2009-3-27 499 -E Riverside Bautista Creek east of Hemet off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 754 Comment
  UC1401245  Lupinus bicolor D. Dunn 1947-3-16 2921 Riverside in Banning Pass 1/2 mi n Cabazon; n of Cabazon in Banning Pass Comment
  SEINET10484883  Lupinus bicolor subsp. microphyllus Robert F. Thorne, F. R. Fosberg; Marie, Helene Sachet; Derral Herbst 1983-4-23 Thorne 55496 Riverside San bernardino mountains; sandy wash along whitewater river where road crosses River below fish hatchery, ca 4 miles n of whitewater post office. Hairy, low Annual 640 Comment
  SDSU17527  Lupinus concinnus Jerry Jenkins 2001-4-3 2001 -042 Riverside Santa Margarita Ecological Reserve. West Side of Santa Margarita river. UTM transfered to GIS. Comment
  UCR153670  Lupinus concinnus Scott D. White 1999-5-24 7388 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  POM2536  Lupinus concinnus subsp. optatus H. M. Hall 1901-06 2067 Riverside South side of San Jacinto Mountains 1646 Comment
  RSA190627  Lupinus concinnus subsp. optatus L. B. Ziegler 1967-6-1 s.n. Riverside Hemet (Garner) Valley, in Kenworthy area. 1402 Comment
  RSA356755  Lupinus concinnus var. concinnus R. F. Thorne 1973-5-23 45538 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  SEINET10485231  Lupinus densiflorus var. glareosus August J. Breitung 1953-6-12 Breitung 15552 Riverside Santa rosa mts., Hwy 74, san bernardino nat'l forest. Petals lilac to cream. Comment
  CAS-BOT-BC216687  Lupinus excubitus subsp. hallii Elizabeth McClintock 1965-6-25 s.n. Riverside A short distance below the summit, Santa Rosa Mountain Comment
  RSA413601  Lupinus excubitus var. hallii E. Crow 1929-3-17 205 Riverside Glen Ivy Hot Springs, Santa Ana Mts, Comment
  RSA5027  Lupinus excubitus var. hallii Carl B. Wolf 1932-3-20 27 Riverside Richman Ranch, 2.5 miles no. of De Luz; S. W. Riverside County. 457 Comment
  SBBG98285  Lupinus hirsutissimus N. C. Cooper 1944-4-22 1114 Riverside Banning 701 Comment
  SDSU14185  Lupinus hirsutissimus Ingrid Poulin 2002-3-22 9 Riverside Santa Margarita Ecological Reserve; Red Mountain Truck Trail, 0.6 miles northeast of N. Stagecoach Lane. 216 Comment
  SEINET7123947 Image available Lupinus hirsutissimus G. Gust, L. Nye 2005-1 542 Riverside Hwy 74 ca. 2 mi W of Lake Elsinore; Lake Elsinore city limits 691 Comment
  UCR155321  Lupinus hirsutissimus A. C. Sanders, Mike Misenhelter 2005-3-23 29249 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  SEINET10489271  Lupinus latifolius subsp. parishii Mcleod 1971-6-22 MCLEOD 469 Riverside Ponderosa habitat. Comment
  RSA413759  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR17750  Lupinus microcarpus var. densiflorus O. F. Clarke 1973-4-6 s.n. Riverside San Jacinto Mtns, Juaro Canyon, lower west side of the mountains near Soboba Hot Springs 549 Comment
  RSA413800  Lupinus nanus subsp. nanus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA21756  Lupinus shockleyi Carl B. Wolf 1937-4-6 8428 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA87035  Lupinus shockleyi F. W. Peirson 1922-4-18 2434 Riverside Whitewater River, head of Coachella Valley, Riverside County Comment
  UCR153384  Lupinus sparsiflorus Scott D. White 1999-5-24 7383 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  RSA339345  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54103 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA516430  Lupinus sparsiflorus subsp. sparsiflorus Walter Wisura, Bart O'Brien, T. Hayduk 1990-5-2 4438 Riverside along For. Rd. 3S04 btw. Ortega Hwy and Santiago Peak, Santa Ana Mts. Comment
  RSA572982  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd 1986-4-22 1733 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  RSA414396  Lupinus truncatus E. Crow 1929-4-7 300 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  RSA501042  Lupinus truncatus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3163 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UC1506125  Lupinus truncatus R. T. Clausen 1963-4-25 63071 Riverside on ridge s Red Mt. (upper Lewis Valley unit 98); ridge s of Red Mt., upper Lewis Valley unit 98 960 Comment
  UCR117092  Lupinus truncatus A. C. Sanders, T. B. Salvato 2001-5-16 24294 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR173148  Lupinus truncatus Abby Sirulnik 2000-4-25 20 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  SEINET10489071  Lupinus truncatus David B. Dunn 1947-3-16 Dunn 2916 Riverside Found 100 yards se of cabazon in the banning pass. Comment
  RSA422101  Lycium andersonii N. R. Zabriskie 1969-4-27 207 Riverside Andrea Canyon near Palm Springs. 366 Comment
  RSA699027  Lycium andersonii J. R. Bruff 1928-4-3 184 Riverside 3 mi. E. of Desert Center. Comment
  UC218057  Lycium andersonii P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4850 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 426 Comment
  UCR279522  Lycium brevipes A. C. Sanders, Jim Malusa 2017-3-27 43122 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
  JOTR35295  Lycium cooperi Andre, Jim 2012-4-11 20792 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  UCR101804  Lythrum californicum George K. Helmkamp, E. A. Helmkamp 1998-8-17 4441 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UCR194209  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-6-4 10462 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR92321  Lythrum hyssopifolia Scott D. White, S. Ogg 1994-10-17 2473 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  SEINET10809133  Machaeranthera David B. Dunn, Howard Brown 1947-1-12 Dunn 2836 Riverside Pushawala Canyon, Indio Hills. Along alkali banks. Comment
  RSA543595  Malacothamnus densiflorus var. densiflorus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6127 Riverside Gavilan Hills, SE end of range, E of Arroyo del Toro. N-facing slope of low hill. 488 Comment
  CAS-BOT-BC206266  Malacothamnus fasciculatus Peter H. Raven; Sidney R. Snow 1956-7-6 9661 Riverside Vandeventer Flat, San Jacinto Mts. 1493 Comment
  RSA305668  Malacothamnus fasciculatus C. W. Tilforth, Walter Wisura 1979-10-11 1916 Riverside 0.3 mi. west of Highway 74 on Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley. 1341 Comment
  SDSU13588  Malacothamnus fasciculatus W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UCR114809  Malacothamnus fasciculatus Mitch Provance 1998-2-13 19 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
  RSA33851  Malacothrix glabrata N. C. Cooper 1944-4-23 1153 Riverside Cabazon 457 Comment
  RSA775943  Malacothrix glabrata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 953 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  UCR16896  Malacothrix saxatilis var. tenuifolia B. Freeman 1968-5-4 680504- 01 Riverside c. 5 mi west of Beaumont along Calif. Route 60 793 Comment
  CAS-BOT-BC376154  Malva parviflora L. Nye; G. Gust 2005-3-11 63 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  UCR207305  Malvella leprosa John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  UCR89825  Malvella leprosa Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  POM13096  Mammillaria tetrancistra P. A. Munz, D. D. Keck 1922-4-9 5016 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. Colorado Desert. 518 Comment
  RSA556485  Marah macrocarpa Julie Greene 1993-3-13 1049 Riverside West of Poleline Rd. 457 Comment
  RSA652410  Marah macrocarpa Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  RSA652414  Marah macrocarpa Carol Zuck 1981-2-16 36 Riverside On Santa Rosa Rd. 3.1 miles east of Lake Mathews Rd. Comment
  UCD107550  Marah macrocarpa R. L. Smith 1948-3-24 s.n. Riverside Murray Canyon. Comment
  UCR21950  Marah macrocarpa Steve Boyd 1980-5-11 219 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  CAS-BOT-BC216180  Marina parryi Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring Comment
  RSA409844  Marrubium vulgare Freda Detmers 1931-6-19 s.n. Riverside Chino Hills. Comment
  POM14400  Matelea parvifolia P. A. Munz, D. D. Keck 1922-4-9 4881 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
  UCR246459  Matricaria occidentalis R. E. Riefner Jr. 2012-3-31 12- 65 Riverside city of Hemet, north of Florida Avenue and south of West Devonshire Avenue and east of Meyers Street 462 Comment
  CSUSB1103  Medicago polymorpha D. Gordon 1952-3-25 Riverside C.E.S. 396 Comment
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Nov 20 2011
  SDSU13591  Medicago sativa W. Miller Riverside Comment
  RSA660487  Melica frutescens A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23442 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
  SD161026  Melica frutescens Virginia Moran 2003-5-28 Riverside Perris-Aguanga Region, Wilson Valley Mitigation Bank, on Wilson Valley Road Comment
  OBI77704  Melica imperfecta 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
  RSA526486  Melica imperfecta Steve Boyd, Timothy S. Ross 1990-5-11 4683 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
  RSA526502  Melica imperfecta Steve Boyd, Timothy S. Ross 1990-5-11 4697 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  SD244057  Melica imperfecta T. B. Salvato 2013-3-22 7410 Riverside Perris - Aguanga Basin: southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek. 395 Comment
  SEINET254498 Image available Melica imperfecta A. C. Sanders 2004-4-20 27553 Riverside Santa Ana Mountains: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  UC38845  Melica imperfecta H. M. Hall 1899-1 1111 Riverside Strawberry Creek; San Jacinto Mountains 914 Comment
  UCR201501  Melica imperfecta Scott D. White, Justin M. Wood 2008-6-19 12274 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR91514  Melica imperfecta Scott D. White 1996-3-31 3854 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  UCR82277  Melilotus albus J. M. Stewart 1994-5-2 855 Riverside Western Colorado Desert, Coachella Valley, Thermal. Polk Street and Airport Blvd. Comment
  UCR121348  Melilotus indicus A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25021 Riverside The Badlands, canyon above Eden Hot Springs 549 Comment
  RSA535486  Melilotus indicus Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-2 6634 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  RSA543892  Mentzelia affinis Steve Boyd 1991-5-13 6257 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road. 549 Comment
  UC872424  Mentzelia albicaulis Ira L. Wiggins 1937-3-9 8761 Riverside 5 m w Shaver's Well Comment
  RSA440404  Mentzelia involucrata N. R. Zabriskie, W. M. Zabriskie 1973-4-25 652 Riverside W-central portion Sec 30. Deep Canyon drainage, E side Hwy 74, opposite Black Hill, Santa Rosa Mtns. Site 22. 915 Comment
  UC672659  Mentzelia involucrata H. L. Mason 1928-3-10 4192 Riverside White Water River Comment
  UCR200296  Mentzelia involucrata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11219 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR216680  Mentzelia involucrata Jim Andre, T. La Doux 2009-3-10 11241 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR50920  Mentzelia involucrata A. C. Sanders 1988-5-11 7796 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  RSA440400  Mentzelia involucrata var. megalantha Robert Gustafson 1980-4-3 1521 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  RSA0123755  Mentzelia jonesii Duncan S. Bell, LeRoy Gross 2016-3-10 8868 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 2.25 air miles northwest of the summit area. 859 Comment
  RSA33377  Mentzelia jonesii N. C. Cooper 1944-3-25 1037 Riverside Morongo Pass. 457 Comment
  SEINET3141261  Mentzelia jonesii R. W. Spellenberg, N. Zucker 2001-3-28 13187 Riverside along Pinkham Canyon Rd. at W end of Cottonwood Mts., ca. 20 air km N of N end of Salton Sea, 31 rd. km N of graded frontage road along IH-10 720 Comment
  RSA0105669  Mentzelia longiloba var. longiloba Duncan S. Bell 2010-4-2 714 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  UCR68853  Mentzelia micrantha Steve Boyd, T. S. Ross 1990-5-11 4707 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  UC336437  Mentzelia tricuspis J. G. Lemmon Apr 1876 258 Riverside Colorado Desert, White-water Comment
  RSA585877  Microseris douglasii subsp. platycarpha D. L. Banks, S. D. Boyd 1995-5-9 0353 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
  UCR116506  Microseris heterocarpa A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 745 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR120809  Microseris heterocarpa Ian G. Gillespie 2000-4-19 6 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 30 m south of DePalma Road 427 Comment
  RSA543763  Microseris lindleyi Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6063 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR180108  Microseris lindleyi Mitch Provance 2003-4-26 9897 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR20707  Microseris lindleyi A. C. Sanders, Steve Boyd 1980-5-2 1434 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA0018770  Mimetanthe pilosa Philip A. Munz 1938-8-14 15355 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  LA209145  Mimulus aurantiacus Carl Epling; William Robison 1935-6-29 sn Riverside San Jacinto Mountains, near Keen Camp Comment
  SDSU10748  Mimulus aurantiacus D. Hunsaker 1962-4-10 Riverside 3 miles SSW from Temecula. Comment
  POM70  Mimulus aurantiacus var. pubescens P. A. Munz 1917-4-27 2145 Riverside Temecula Comment
  POM33  Mimulus aurantiacus var. puniceus O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  RSA442707  Mimulus aurantiacus var. puniceus Robert Gustafson 1983-4-18 2500 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  RSA0041941  Mimulus bigelovii Duncan S. Bell, Loraine Washburn 2014-4-8 6583 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  RSA618389  Mimulus brevipes D. L. Banks 1997-5-5 1974 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
  UCR201953  Mimulus brevipes 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
  UCR22084  Mimulus brevipes Steve Boyd 1980-5-3 187 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  POM10946  Mimulus diffusus P. A. Munz 1922-4-30 5135 Riverside Hills south of Tuscaluta Creek from Aguanga to Hemet Comment
  RSA297748  Mimulus diffusus Barbara J. Ertter, J. Strachan 1979-6-26 2975 Riverside Kenworthy Forest Station on Route/ Highway 74 in Garner Valley, San Jacinto Mountains. Comment
  RSA525697  Mimulus diffusus Steve Boyd, Tim S. Ross 1990-5-11 4635 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
  UCR154378  Mimulus floribundus A. C. Sanders, Mike Misenhelter 2005-6-15 30956 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
  UCR162768  Mimulus fremontii S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR114313  Mimulus guttatus Mitch Provance 1998-3-21 275 Riverside Jurupa Hills, Sunnyslope, Ormand Quarry. 280 Comment
  UCSC000872  Mimulus guttatus Peter Kamb 1947-6-7 580 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  RSA0054840  Mimulus guttatus Keith E. Hoffmaster 1933-4-14 527 Riverside Tahquitz Canyon. Comment
  UCR35243  Mimulus parishii L. B. Ziegler 1969-6-12 381 Riverside San Jacinto Mtns, Hemet Valley (= Garner Valley) in sandy stream bed near Pine Meadows 1433 Comment
  UCR77578  Mimulus parishii Steve Boyd, T. S. Ross 1991-6-8 6327 Riverside San Jacinto Mtns., Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill north of Hwy 74 Comment
  RSA314473  Mimulus pilosus Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55380 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UC454138  Mimulus primuloides I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  RSA788962  Mimulus puniceus Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49535 Riverside Santa Ana Mountains: along Ortega Highway (74) Comment
  UCR41540  Mirabilis bigelovii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6056 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  CSUSB1327  Mirabilis californica D. Gordon 1952-3-3 Riverside UCR campus 396 Comment
  UCR90747  Mirabilis californica Scott D. White 1995-4-5 2746 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCR177509  Mirabilis laevis A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32539 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  RSA0040030  Mirabilis laevis W. Marquart 1938-3-12 s.n. Riverside Ten mi. east of Blythe. Comment
  SBBG119928  Mirabilis laevis var. crassifolia J. Green, S. J. Myers 2003-6-25 Riverside French Valley, "Greenway site" along Tucalota Crk ca. 1 mi E of Murrieta Hot Springs 396 Comment
  UC1979557  Mirabilis laevis var. crassifolia Darin L. Banks, Steve Boyd 1995-5-3 274 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
  CAS-BOT-BC434825  Mirabilis laevis var. retrorsa Javier Penalosa 1963-4-11 2812 Riverside Pines-to-Palms Highway (#74) above Palm Desert. 762 Comment
  CAS-BOT-BC434832  Mirabilis laevis var. retrorsa Joy Keck 1935-4-15 3841 Riverside Lower Morongo Canyon Comment
  UC168849  Mirabilis laevis var. retrorsa S. B. Parish 1907-4-28 6073 Riverside Whitewater; Colorado Desert 360 Comment
  CAS-BOT-BC384086  Mirabilis laevis var. villosa C. L. Hitchcock 1966-3-16 24176 Riverside 1/4 mile w. of Aguanga Comment
  UCD98207  Mirabilis laevis var. villosa C. L. Hitchcock 1966-3-16 24176 Riverside 1/4 mile w. of Aguanga. Comment
  RSA0014784  Mirabilis multiflora var. pubescens C. M. Dammers 1929-10-29 s.n. Riverside Miser [?] Valley near Aguanga in a river wash in quantity in full flower and again a few plants at Anza Monument near Anza. Comment
  RSA0104947  Mirabilis tenuiloba Duncan S. Bell, Evan Meyer 2014-10-29 7675 Riverside Santa Rosa Mountains; around the mouth of Martinez Canyon, about 3.5 air miles southwest of Valerie. 169 Comment
  UC2015594  Mirabilis tenuiloba A. C. Sanders with G. Helmkamp 1996-3-17 17990 Riverside Cathedral City: Coachella Valley: Palm Springs, mouth of Palm Canyon., ca. 0.5 km E of Palm Canyon Dr. on Bogert Trail. Comment
  JOTR32905  Mohavea confertiflora La Doux, Tasha, Jim Andre 2009-3-10 389 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  SD146148  Mohavea confertiflora Andy C. Sanders 2000-4-25 23352 Riverside Coachella Valley: east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 14 Comment
  UCD124029  Mohavea confertiflora C. W. Tilforth 1967-2-12 108 Riverside Painted Canyon, east of Mecca. Colorado Desert. Comment
  RSA180471  Monardella lanceolata var. lanceolata E. W. Lathrop 1960-5-27 5224 Riverside 6 miles west of Murrieta. Comment
  RSA671  Monardella lanceolata var. lanceolata J. T. Howell 1927-8-2 553 Riverside Near Banning. 671 Comment
  RSA752882  Monardella linoides subsp. stricta Orlando Mistretta 2009-7-10 3996 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-BC215492  Monardella nana E. McClintock; H. Lewis 1941-6-29 77 Riverside Road up Santa Rosa Mt. 1 mile beyond canyon where stream crosses road Comment
  JEPS63361  Monardella nana W. L. Jepson 1903-8-8 2322 Riverside San Jacinto Mt. halfway between forks of summit trail and Log Cabin on upper trail 2438 Comment
  LA96077  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 94 Riverside Banning-Idyllwild road. 0.75 mi. beyond Stone Creek Comment
  RSA125332  Monardella nana subsp. arida R. Weatherby 1949-6-6 643 Riverside Santa Rosa Mountain. 1982 Comment
  RSA307235  Monardella nana subsp. arida Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2113 Riverside Santa Rosa Mountains. Comment
  RSA651658  Monardella nana subsp. arida Elizabeth McClintock 1941-7-12 107 Riverside San Jacinto Mountains. Trail to Deer Springs, a short distance below first spring which crosses trail. Comment
  RSA750275  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 75 Riverside Santa Rosa Mt. 4.5 miles above Pines to Palms Hwy, in canyon where stream crosses road. Comment
  SEINET1910804  Monardella nana subsp. arida E. McClintock, H. Lewis 1941-1 76 Riverside Road up Santa Rosa Mt. 1/2 mile beyond canyon where stream crosses road. Comment
  RSA401635A  Monardella nana subsp. tenuiflora G. Willett 1931-6-24 s.n. Riverside San Jacinto Mountains. Comment
  UC1499800  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 104 Riverside Deer Springs and Suicide Rock trail, one switchback below the forks San Jacinto Mts. Comment
  UC279710  Monardella nana subsp. tenuiflora Edmund C. Jaeger 1925-8-1 Riverside near Gregg's Ranch; San Jacinto Mts. 1280 Comment
  RSA640205  Monolepis nuttalliana R. S. Woglum 1939-3-21 2176 Riverside Sonoran Desert: Mecca; north of Salton Sea. Comment
  UC84198  Monoptilon bellioides C. R. Orcutt April, 1887 Riverside Colorado Desert Comment
  UCR163925  Monoptilon bellioides A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29144 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR2778  Muhlenbergia asperifolia F. M. Reed 1907-9-21 1951 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside. Spring Brook in Pellisier's horse pasture 250 Comment
  SD247289  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 (Red Cloud Casnyon 7.5'Q) 679 Comment
  SDSU13960  Muhlenbergia microsperma Michael G. Simpson 2000-5-13 2117 Riverside Santa Margarita Ecological Reserve, ca. 100 feet from Northside field station. 366 Comment
  UCR83407  Muhlenbergia microsperma A. C. Sanders 1994-5-15 14490 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  JOTR34094  Muhlenbergia porteri Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 8 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  CAS-BOT-BC274911  Muhlenbergia rigens W. R. Dudley 1903-12-25 s.n. Riverside Mouth of Tahquitz Creek near Palm Springs Comment
  POM13759  Muilla maritima Philip A. Munz 1922-4-29 5106 Riverside [Sedco] Station, south of Elsinore. Comment
  POM307297  Muilla maritima Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2155 Riverside Santa Rosa Mountains. Comment
  RSA680487  Muilla maritima Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9593 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UC64098  Muilla maritima H. M. Hall 1897-5-1 519 Riverside San Jacinto River San Jacinto Mountains 762 Comment
  UCR208174  Muilla maritima F. W. Peirson 1922-4-29 2942 Riverside Perris-Aguanga Region, 2 miles south of Lake Elsinore along boulevard 366 Comment
  RSA0010810  Myoporum laetum A. C. Sanders 2003-1-14 25664 Riverside San Bernardino Valley Region: Louis Rubidoux Nature Center, Santa Ana River. 220 Comment
  RSA532578  Myosurus minimus subsp. apus D. E. Bramlet 1991-6-1 2189 Riverside 6.1 km west of Hemet and some 135-670m west of the intersection of Florida and Warren. The population is some 8-15m north of Florida Ave. and 5m east of the MWD Canal. 152 Comment
  RSA601653  Najas guadalupensis L. C. Wheeler 1957-11-30 7275 Riverside Coachella drainage ditch, ca. 1.5 mi. south southeast of Thermal. Comment
  HSC49188  Nama demissa D. L. Goforth 1979-4-11 115 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  UCR16734  Nama demissa var. deserti J. Texera 1970-3-27 2 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  POM194892  Nama hispida var. revoluta Roxana S. Ferris 1928-4-22 7188 Riverside Colorado River bottom near Ripley South of Blythe. Comment
  RSA0019794  Nama hispida var. spathulata April Garbat, Sarah J. De Groot 2013-4-30 57 Riverside Ford Dry Lake, N of I-10 122 Comment
  CAS-BOT-BC259973  Nassella lepida I. M. Johnston 1917-6-5 1301 Riverside Hills S of Arlington 365 Comment
  RSA599110  Nassella lepida V. W. Steinmann, D. L. Banks 1996-4-20 844 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, ca. 0.5 km from main road along the East Trail, just northeast of the summer cottage., ca. 33?28'N, 117?02'W 450 Comment
  CAS-BOT-BC233576  Navarretia prostrata Robert F. Thorne; Earl Lathrop 1969-5-12 37929 Riverside Santa Rosa Plateau: S end of Mesa de Colorado, Rancho California 624 Comment
  UCR279408  Nemacladus A. C. Sanders, Jim Malusa 2017-3-25 42995 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  SEINET3812582 Image available Nemacladus glanduliferus var. glanduliferus Robert F. Thorne, W. Wisura; A. Shmida; R. Whittatker 1978-4-23 52037 Riverside San Jacinto Mtns: Chino Canyon, Palms to Pines highway Comment
  UC64329  Nemacladus longiflorus var. longiflorus H. M. Hall Jun 1897 661 Riverside Onstatt's Valley; San Jacinto Mts. Comment
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  UCR31680  Nemacladus longiflorus var. longiflorus John C. Roos 1947-3-15 3343 Riverside Peninsular Range; San Jacinto Valley/ San Jacinto Mtns. Foothills, 1 mile east of Valle Vista 549 Comment
  RSA0126423  Nemacladus longiflorus var. longiflorus F. W. Peirson 1922-4-28 2920 Riverside Temescal Canyon. 335 Comment
  RSA28048A  Nemacladus orientalis I. L. Wiggins 1941-3-27 9671 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  UCR30095  Nemacladus orientalis George K. Helmkamp 1983-4-5 483- 44 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR68864  Nemacladus pinnatifidus Steve Boyd, T. S. Ross 1990-5-11 4705 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  POM18131  Nemacladus ramosissimus P. A. Munz 1923-9-7 7769 Riverside Trail from Holy Jim Canyon to Santiago Peak. 1128 Comment
  RSA500212  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3531 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA777733  Nemacladus sigmoideus J. Andre, G. L. Clifton 2011-2-22 17450 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  RSA439263B  Nemacladus tenuis var. tenuis Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA716378  Nemophila menziesii Scott D. White 2006-4-27 11297 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UC24223  Nemophila menziesii H. M. Hall 1897-3-20 Riverside Temescal Mine Comment
  UCR193977  Nicotiana attenuata A. C. Sanders 2008-7-25 35912 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  RSA16361  Nicotiana bigelovii var. wallacei Percy C. Everett 1935-6-18 7171 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
  RSA593999  Nicotiana glauca D. L. Banks, Elizabeth Hedge Banks 1996-5-2 942 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  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
  JOTR34018  Nicotiana obtusifolia La Doux, Tasha, M. Harding 2010-4-7 2905 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA799245  Nicotiana obtusifolia Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 733 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
  UCSB44691  Nicotiana obtusifolia Hibbard, Doug 1977-4-15 Riverside 50 yards to the west of Hwy 74, 3.3 miles from its intersection with Hwy 111 280 Comment
  RSA718294  Nicotiana obtusifolia Michael Honer, L. Hulse 2004-4-2 1875 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  LA22816  Nolina parryi Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  RSA747567  Notholaena californica Michael Honer 2003-4-16 1826 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. 640 Comment
  POM259122B  Notholaena californica subsp. californica A. Lefebure 1941-03 s.n. Riverside Andreas Canyon, near Palm Springs Comment
  SEINET10491855  Oenothera californica Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7143 Riverside Scattered yellow pine at margin of large valley, 5.9 mi se of jct of idlewild road and hwy 74 on 74. 1341 Comment
  RSA338178  Oenothera californica subsp. californica Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53586 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  UCR16380  Oenothera deltoides S. J. Southwell 1971-5-2 s.n. Riverside Sonoran (Colorado) Desert, Windy 'Gap' [Point] sand dune, c. 10 mi. NW of Palm Springs on Hwy 111 305 Comment
  JEPS43943  Oenothera deltoides subsp. deltoides Dr. L. M. Newlon 1922-4-3 428 Riverside 6 mi w Indian Wells; Colorado Desert Comment
  RSA707593  Oenothera deltoides subsp. deltoides Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 3 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  RSA715093  Oenothera deltoides subsp. deltoides Sarah J. De Groot, J. Mark Porter 2006-3-14 5201 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. Stabilized sand dunes. 351 Comment
  SEINET10492350  Oenothera deltoides var. cineracea Billy Joe Cox 1975-4-23 Cox 4171 Riverside Palo verde, 1-3 km w, creosote desert scrub; sandy and gravelly entisols; 70 Comment
  UCR199726  Oenothera elata Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10675 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  RSA640711  Oenothera elata subsp. hirsutissima Louis C. Wheeler 1931-7-30 s.n. Riverside Fairmount Park. Comment
  UCR112586  Olea europaea Mitch Provance, Seychelle Provance 1998-2-17 89 Riverside Jurupa Mountains, Jensen Quarry; Sunnyside area on W side of Sierra Blvd, c. 0.2 miles NW of the corner of Scenic Dr. and 34th St. 348 Comment
  RSA717444  Oligomeris linifolia Scott D. White, Pam De Vries 2006-3-14 11256 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  SEINET7259361 Image available Oligomeris linifolia Leila M. Shultz, John S. Shultz 1985-1 5323 Riverside Chuckawalla Mountains at Corn Springs 518 Comment
  UCD116473  Oligomeris linifolia A. H. Frederick 1928-3-1 s.n. Riverside Palm Springs. Comment
  UCR151427  Oligomeris linifolia D. L. Banks, V. W. Steinmann 1997-3-13 1500 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
  UCR166720  Oligomeris linifolia Scott D. White, Jennifer H. Jones 2005-4-12 10866 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  SBBG67466  Olneya tesota M. N. Ackley 1928-3-31 618 Riverside Hidden Spring Cyn 243 Comment
  UCR155817  Oncosiphon piluliferum 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
  SEINET2045128 Image available Opuntia X vaseyi Rosemary Trelease 1999-4-5 Riverside Maricopa County: Grown in cultivation at Desert Botanical Garden, Phoenix, N 33 deg 27' 33'', W 111 deg 56' 35'', 1200 ft., 366 m: accession number 1987 0049 0201; originally received as a cutting collected by Bruce Parfitt 3503, 19 April 1986, with Rita Anthony and Andy Sanders from California, Riverside County, Puaba Valley, Highway 79 crossing of Tecucula River (or creek), 4.6 mmiles east of junction with road to Pala; Collector's notes: altitude 1000 ft, 300 m; habitat sage scrub hillside east of creek and shouth of highway; spiny and spineless pads on same plant. Comment
  CAS-BOT-BC58054  Opuntia basilaris var. basilaris F. A. Thackery 1924-2-8 41 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA4029  Opuntia basilaris var. basilaris C. B. Wolf 1931-10-14 2456 Riverside Snow Creek 3/4 miles below the Fish Hatchery, N base of San Jacinto Mountains. 427 Comment
  CAS-BOT-BC56828  Opuntia chlorotica P. A. Munz; I. M. Johnston 1922-5-20 5571 Riverside Field redacted by CAS, contact the data manager for more information 1447 Comment
  CAS-BOT-BC355576  Oreostemma alpigenum var. andersonii P. A. Munz 1922-7-6 5997 Riverside San Jacinto Mts. Tahquitz Valley 2194 Comment
  RSA0072125  Orobanche cooperi G. K. Helmkamp 1998-4-4 3144 Riverside Southern Mojave Desert: junction of CA Hwy 62 (Twentynine Palms Hwy) & CA Hwy 177 (Desert Center-Rice Rd). 457 Comment
  CDA42039  Orobanche fasciculata H. S. Gill 1969-6-24 s.n. Riverside H.A. Manchester property, Sun Town Trailer Park, Cathedral City. 0 Comment
  UCR18525  Orobanche fasciculata A. C. Sanders 1978-6-11 471 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  RSA0034093  Orobanche parishii Duncan S. Bell 2013-1-30 4452 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  RSA602273  Orobanche parishii subsp. parishii Louis C. Wheeler 1952-4-5 6851 Riverside Mecca Hills: Mouth of Painted Canyon. Comment
  RSA648279  Orthocarpus purpurascens var. purpurascens Margaret Murphy 1983-4-15 0014 -A Riverside located in the north section of [parcel] 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  SD136900  Osmadenia tenella Steve Boyd, Tim Ross 1992-6-10 7626 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Cyn about Potrero Escondido due west of junction Tenaja and Los Alamos Rds 669 Comment
  UC1608250  Oxalis albicans subsp. californica Steve Boyd 1992-4-14 6873 Riverside along Blue Water Trail (Blue Water Cyn, downstream to the confluence with San Mateo Creek); Santa Ana Mtns, San Mateo Canyon Wilderness Area 335 Comment
  RSA562478  Oxalis corniculata Steve Boyd, Tim S. Ross 1992-5-5 7258 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  SD181383  Oxytheca caryophylloides Scott D. White 2000-8-5 8119 Riverside San Jacinto Mts: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, Jan Jacinto River) 1402 Comment
  UCR146126  Oxytheca emarginata Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1452 Riverside Peninsular Ranges; San Jacinto Mountains, Northeast of South Ridge trailhead, east of Idyllwild 2012 Comment
  JEPS44379  Oxytheca trilobata Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4277 Riverside 1.8 mi above Mountain Home Spring (on road to Santa Rosa Mountain) Comment
  UCR131703  Paeonia californica C. B. Wolf 1936-6-17 07955 Riverside Santa Ana Mtns., Tenaja Road, 1.4 miles off Ortega Highway, on road to La Cienega 610 Comment
  UCR59685  Paeonia californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2964 Riverside Peninsular Range, Vail Lake area, lower slope of Oak Mountain, 1.5 mi. WSW of lake. 640 Comment
  UCSB47251  Paeonia californica Hibbard, Doug 1977-3-3 Riverside .3 miles due north of El Cariso campground near Ortega Hwy. Comment
Read comments
Nov 27 2014
  CAS-BOT-BC327945  Palafoxia arida K. Bonner 1977-10-27 2570 Riverside 3 mi E of Chuckwalla Rd. Comment
  SBBG100852  Palafoxia arida W. L. Halvorson 1977-3-3 77 -70 Riverside near roadway of Interstate 10, 30 mi W of Blythe Comment
  UCD77897  Palafoxia arida Robert E. Preston 1997-11-11 1061 Riverside edge of Palo Verde Mesa 99 Comment
  UCR1212  Palafoxia arida Martha McCarthy 1960-3-13 s.n. Riverside Western Colorado Desert, [near Whitewater] side of Hwy 60/99 [now I-10], 2 miles past [east of] the Palm Springs cut-off [approx Hwy 111 junction] 396 Comment
  POM299274  Palafoxia arida var. arida A. M. Alexander, Louise Kellogg 1941-5-12 2163 Riverside Eagle Mts., road to Black Eagle Mine. 671 Comment
  POM31647  Palafoxia arida var. arida Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  RSA600856  Palafoxia linearis Marjorie D. Clary 1937-7-9 2793 Riverside W side of Colorado Desert: Coral Reef Ranch, Coachella. Comment
  UC406771  Panicum hirticaule subsp. hirticaule Marcus E. Jones, A. M. 1929-9-16 24693 Riverside e Desert Center; e of Desert Center Comment
  CAS-BOT-BC253900  Panicum urvilleanum W. R. Dudley 1903-12-28 s.n. Riverside Near Palm Springs Station Comment
  UCD89972  Panicum urvilleanum A. A. Beetle 1943-4-27 1937 Riverside Near Thousand Palms. Comment
  UCR86012  Panicum urvilleanum George K. Helmkamp 1994-4-26 88- 5 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  UCR104075  Papaver californicum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20631 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR234331  Parietaria hespera A. C. Sanders, John F. Green 2012-4-6 40010 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  UCR260248  Parietaria hespera A. C. Sanders, Jim Malusa 2015-3-10 41385 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 611 Comment
  UC217969  Parietaria hespera var. hespera P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4783 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 457 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
  UCR244308  Parkinsonia florida Jim Andre 2012-4-15 20852 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCR86194  Parkinsonia florida A. C. Sanders 1995-5-23 17124 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
  SD96353  Pectis papposa var. papposa David Keil 1975-8-27 K 10994 Riverside 8 miles west of Desert Center along I-10 Comment
  UC577423  Pectis papposa var. papposa J. and H. W. Grinnell 1937-11-30 1084 a Riverside 24 mi w Blythe (bed of Ford Dry Lake); bed of Ford Dry Lake Comment
  SBBG92929  Pectocarya heterocarpa D. Charlton 1988-2-18 1147 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  UCR172213  Pectocarya linearis John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  SEINET6973498  Pectocarya linearis var. ferocula A. G. Vestal 1962-3-29 s.n. Riverside 4.6 miles northeast of Murrieta. Comment
  UCR804  Pectocarya penicillata J. E. Dimitman 1957-4-1 s.n. Riverside at the top of Pigeon Pass Comment
  CAS-BOT-BC169710  Pectocarya peninsularis John Thomas Howell 1928-1-28 3282 Riverside Thousand Palms, Colorado Desert Comment
  POM368742  Pectocarya platycarpa Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  CLARK-A1045-209  Pectocarya recurvata George K. Helmkamp 1979-4-18 Riverside Indio Hills along Dillon Road; Lost Horse Mtn. 15'Q Comment
  UCR14207  Pectocarya recurvata W. W. Zabriskie 1973-2-21 118 Riverside Santa Rosa Mtns, N slope of mtns, Deep Canyon drainage, Pipistrelle Canyon area, above end of Worley Trail to Sheep Mtn. (Site 17) 854 Comment
  UCR60255  Pectocarya recurvata Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3198 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  VVC696  Pectocarya recurvata P. J. MacKay, T. Thomas 1997-2-8 99 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  UCSB41268  Pectocarya setosa Cowan, Clark 1978-4-23 Riverside 17.3 mi. (27.2 km.) S and W on Hwy. 74 from jct. with 111 at Indian Wells; Santa Rosa Mts.; San Berndo. Nat. Forest; Whittaker transect #W-221 1180 Comment
  UC27315  Pedicularis densiflora Wright 1791 Riverside Beaumont Comment
  IRVC3138  Pellaea andromedifolia R. H. Whittaker, W. A. Niering 1963-6-2 SJ 170 Riverside Mountain Center to Hemet Highway [74]. Peninsular Ranges, San Jacinto Mountains 915 Comment
  UCR84214  Pellaea andromedifolia A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15906 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  POM177874  Pellaea andromedifolia var. andromedifolia Marcus E. Jones 1930-3-5 26523 Riverside Glen Ivy Comment
  CAS-BOT-BC71400  Pellaea mucronata Munz; Harwood 1920-2-28 3231 Riverside 2 mi. S.E. of Corona 274 Comment
  UCR262235  Pellaea mucronata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3721 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  JOTR31051  Pellaea mucronata var. mucronata La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2034 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  POM857  Pellaea mucronata var. mucronata I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 762 Comment
  RSA34556  Pellaea mucronata var. mucronata Norman C. Cooper 1944-6-17 1426 Riverside San Jacinto Mountains: above Banning 1372 Comment
  UCD89445  Pennisetum clandestinum Marvin Miller 1956-5-1 s.n. Riverside Riverside County. Comment
  UCR261213  Pennisetum setaceum A. C. Sanders, Katie Young, John Hale 2015-4-22 41601 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  UCR16007  Penstemon centranthifolius David T. Wright 1966-5-16 s.n. Riverside San Jacinto Mtns, 8 mi SE of Banning, at Hurley Flats Rd 1341 Comment
  UCR91741  Penstemon centranthifolius A. C. Sanders, J. Goetzen 1996-5-1 18137 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  POM11199  Penstemon clevelandii subsp. connatus Philip A. Munz 1922-7-1 5931 Riverside Santa Rosa Mountains: Old Nicholas Canyon. 1463 Comment
  SD73628  Penstemon clevelandii var. connatus Helen V. Witham 1970-4-29 823 Riverside 22 miles east of Lake Hemet, on Hwy 74. 1299 Comment
  POM4279  Penstemon grinnellii H. M. Hall 1901-07 2548 Riverside Fuller's Mills Mountain. 2134 Comment
  UCSB7487  Penstemon heterophyllus Stoppel, Gordon 1958-5-17 Riverside Along Banning- Idyllwild Highway; about 10 miles SE of Banning Comment
  SD229290  Penstemon labrosus Dick Schwenkmeyer 2012-8-7 781 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UCR24922  Penstemon labrosus A. C. Sanders 1980-7-18 1654 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA0014857  Penstemon rostriflorus Carl B. Wolf 1932-8-4 3908 Riverside San Jacinto Mts. Point View near Idyllwild. 1646 Comment
  NY661151  Penstemon spectabilis var. spectabilis E. K. Balls 1953-8-19 18534 Riverside 1-1.5 miles west of Anza along highway from Anza to Aguanga 1219.2 Comment
  RSA430200A  Pentachaeta aurea E. Misquez 1987-4-11 s.n. Riverside Walker Basin: 2 miles on Avenida de Oro from jct. with Rancho California Rd. and 4.7 miles W of I15. 415 Comment
  RSA0066308  Pentagramma triangularis Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  RSA0070719  Pentagramma triangularis Scott D. White 2001-4-19 8375 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
  JOTR28919  Pentagramma triangularis subsp. maxonii La Doux, Tasha 2005-2-7 1155 Riverside Joshua Tree National Park. Above Hayfield Dry Lake 553 Comment
  CAS-BOT-BC77477  Peritoma arborea var. angustata Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC355995  Perityle emoryi Geo. B. Grant 1906-4-20 6784 Riverside Palm Springs Comment
  JEPS34965  Perityle emoryi Lawrence Saylor 1935-3-24 214 Riverside Pinto Basin Comment
  RSA676275  Perityle emoryi Scott D. White 2001-4-3 8228 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA758331  Perityle emoryi Doug Goldman 2005-3-3 3041 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  CAS-BOT-BC167762  Petalonyx thurberi E. H. Daniels; J. Bates 1932-6-5 s.n. Riverside Palm Springs. Colorado Desert 137 Comment
  POM84170  Petalonyx thurberi Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA675729  Petalonyx thurberi Scott D. White 2001-4-27 8420 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  LA49852  Petalonyx thurberi subsp. thurberi Norman C. Cooper; 1944-7-15 1574 Riverside San Jacinto Mountains, Palms to Pines Highway 152 Comment
  CAS-BOT-BC326738  Peucephyllum schottii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  CAS-BOT-BC326767  Peucephyllum schottii H. M. Hall 1905-4-1 5849 Riverside Near Dos Palmas, Colorado Desert Comment
  CAS-BOT-BC326837  Peucephyllum schottii Marcus E. Jones 1930-4-1 s.n. Riverside Shaver's Well Comment
  JOTR36461  Peucephyllum schottii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3431 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  UC831588  Peucephyllum schottii E. C. Jaeger 1922-3-18 1028 Riverside near Mecca; Painted Canyon Comment
  NY1058212  Phacelia ambigua N. H. Holmgren 1973-3-21 6429 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 290 Comment
  RSA79154  Phacelia ambigua P. A. Munz, Percy C. Everett 1952-5-2 16250 Riverside 2 miles west of Desert Hot Springs. 183 Comment
  SBBG46039  Phacelia campanularia subsp. campanularia C. F. Shutts 1949-3-19 61 Riverside Cottonwood Pass, Joshua Tree Nat Monument 304 Comment
  UC2026385  Phacelia campanularia subsp. vasiformis Louis C. Wheeler 1952-4-6 6855 Riverside JOSHUA TREE WILDERNESS; COTTONWOOD MOUNTAINS REGION: Near Cottonwood Spring. Comment
  CLARK-A1528-553  Phacelia cicutaria Annette Price 1962-4-22 O 35 Riverside Lake Mathews Comment
  SDSU18405  Phacelia cicutaria var. hispida C. Matt Guilliams, Jeannine Ross 2008-3-12 523 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  UCR241935  Phacelia cicutaria var. hispida A. C. Sanders, Timothy W. Chumley 2013-3-28 40696 Riverside Peninsular Range, Temescal Canyon Rd. at Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St. 370 Comment
  UCR274297  Phacelia cicutaria var. hispida T. B. Salvato, Gregg Miller 2005-6-7 1439 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
  RSA593692  Phacelia ciliata Steve Boyd, D. Bramlet 1996-4-19 8634 Riverside San Jacinto Valley, San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  UC1922409  Phacelia crenulata var. ambigua Naomi Fraga, Lisa Rojas 2005-2-10 1361 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  JOTR35475  Phacelia cryptantha Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-26 78 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1389 Comment
  CAS-BOT-BC133961  Phacelia distans D. A. Johansen; J. A. Ewan 1932-4-11 7067 Riverside Mouth of Tahquitz Canyon Comment
  JOTR16721  Phacelia distans Knuckles, Penny 1974-5-10 4 Riverside Joshua Tree National Park. JUMBO ROCKS CAMPGROUND Comment
  RSA428311A  Phacelia distans Gary D. Wallace 1964-4-25 s.n. Riverside San Jacinto Mts. Rd. to Idlewild Comment
  SEINET3091700 Image available Phacelia distans B. Pitzer 1998-1-24 3382 Riverside N foot of Chuckwalla Mts, Eagle Mt Rd, S side of Hwy I-10, 0.8 mi S of Hwy at powerline rd & wash directly S of rd. 500 Comment
  UCR142240  Phacelia distans June Latting 1979-4-1 s.n. Riverside Box Springs Mountain 915 Comment
  UCR165915  Phacelia distans T. B. Salvato, John F. Green 2004-5-27 558 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR177942  Phacelia distans Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 533 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  VVC267  Phacelia distans A. C. Sanders 1997-5-4 20641 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  JEPS1181  Phacelia minor Marjorie D. Clary 1932-3-20 1611 Riverside 10 mi nw Garnet; Colorado Desert, Mission Creek 457 Comment
  UCR112409  Phacelia minor A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23456 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  SEINET3004982  Phacelia neglecta G. Rink, M. Baker 2011-4-1 10409 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  UCSB10392  Phacelia parryi Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  RSA428158  Phacelia pedicellata Robert Gustafson 1983-3-27 2492 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  POM122264  Phacelia ramosissima var. latifolia Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UCR151063  Phacelia ramosissima var. latifolia Scott D. White 1998-6-17 6748 Riverside Peninsular Ranges; Gavilan Hills, along Gavilan Rd. or Santa Rosa Mine Rd.; c. 7 mi survey route from Gavilan/ Cajalco Rd. junction. south and east to Santa Rosa Mine/ Post Rd. junction 671 Comment
  RSA74835  Phacelia suaveolens subsp. keckii P. A. Munz 1923-6-14 7056 Riverside Glen Ivy Trail to Santiago Peak. 1433 Comment
Read comments
Jul 21 2018
  SBBG37504  Phacelia tanacetifolia R. N. Muller 1967-5-4 Riverside 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  CLARK-A1528-4793  Phalaris aquatica John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  UC1040771  Phalaris aquatica L. Reese 1956-5-29 10 Riverside San Jacinto Valley 475 Comment
  CAS-BOT-BC128870  Philadelphus microphyllus H. M. Hall 1897-8-11 800 Riverside San Jacinto Mts. 2590 Comment
  JEPS69926  Phlox austromontana W. L. Jepson 1907-5-25 1439 Riverside near Santa Rosa Peak (sw side in upper Coyote Canyon); Coyote Canyon 762 Comment
Read comments
Dec 12 2011
  RSA40604  Phlox austromontana J. C. Roos 1946-8-27 2922 Riverside Santa Rosa Mountains. 2287 Comment
  RSA773166  Phlox austromontana Duncan S. Bell, Valentin Arvizu 2010-5-24 1105 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  UC1595641  Phlox gracilis Steve Boyd and Orlando Mistretta 1991-5-9 6190 Riverside on ridge between Bedford Canyon and McBribe Canyon (along the Bedford Truck Trail, lower flank of the Santa Ana Mountains); Santa Ana Mountains 548 Comment
  JOTR32530B  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
  CAS-BOT-BC134987  Phoradendron bolleanum H. E. Parks 1946-2-1 24406 Riverside Santa Rosa canyon, W side of Colorado Desert Comment
  CAS-BOT-BC135102  Phoradendron californicum Roxana S. Ferris 1918-7-14 964 Riverside by stream at Palm Springs Comment
  RSA0108815  Phoradendron californicum Duncan S. Bell, Amanda Turek 2009-3-30 189 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA132729  Phoradendron californicum Del Wiens 1953-12-5 870 Riverside Near junction of road from south end of Joshua Tree Nat. Mon. and U.S. 60 and 70. 152 Comment
  UC1039596  Phoradendron californicum H. L. Mason 1928-3-11 4233 Riverside desert flats near Indio Comment
  JOTR36414  Phoradendron serotinum subsp. tomentosum La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3360 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA482012  Phoradendron villosum Richard Noyes, L. Arnseth 1988-9-10 723 Riverside Fern Basin Camp, 4 air miles northwest of Idyllwild. 1875 Comment
  UCR138810  Phoradendron villosum D. L. Banks, J. Moreno 1997-2-5 1254 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  CAS-BOT-BC260909  Phragmites australis S. B. Parish 1912-7-3 8068 Riverside Salton Bridge near Durmid Comment
  POM184546  Physalis crassifolia C. Leo Hitchcock 1932-4-7 12201 Riverside Corn Springs, Eastern Riverside. Comment
  RSA0042380  Physalis crassifolia Duncan S. Bell, LeRoy Gross 2014-3-13 6237 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  RSA19416  Physalis crassifolia I. W. Clokey 1935-4-17 6881 Riverside Cottonwood Springs. Comment
  RSA314638  Physalis crassifolia Robert F. Thorne, F. R. Fosberg, Sachet, Herbst 1983-4-23 55451 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA423828  Physalis crassifolia H. de Forest 1925-4-17 s.n. Riverside Cabazon. Comment
  UC1143155  Physalis crassifolia H. S. Yates 1937-3-23 6430 Riverside Painted Canyon; Thermal Quad. 121 Comment
  UCR85249  Physalis crassifolia A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, et al. 1995-3-5 15989 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  UCR182304  Physalis greenei Mitch Provance 2004-4-18 7601 Riverside Granitic Knolls of Riverside, Riverside, Versity Hill (Coyote Hill), south side of the UCR campus 418 Comment
  SDSU13906  Pickeringia montana var. tomentosa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2157 Riverside Santa Margarita Ecological Reserve (SDSU), just south of east-west draw, north of El Valle complex. 646 Comment
  CLARK-A1528-3585  Pinus coulteri John C. Roos 1942-6-20 1281 Riverside San Jacinto Mountains Comment
  JEPS46820  Pinus flexilis W. L. Jepson 1901-1 Riverside Santa Rosa Peak Comment
  JEPS47919  Pinus jeffreyi W. L. Jepson 1903-8-9 2290 Riverside Strawberrry Valley San Jacinto Mt., Strawberry Valley 1676 Comment
  MACF014862  Pinus monophylla Marsha A. Miller 1964-12-5 32 Riverside Highway 74, roadside 1219 Comment
  RSA660230  Pinus monophylla Michelle Cleveland 1981-2-14 10 Riverside Turn left at sign for Bighorn overlook, 13 miles from junction of Hwys [1]11&74. 1200 Comment
  UCSB98  Pinus monophylla White, Arthur 1960-5-15 Riverside Pinyon Flat campground in desert, 10 mi. se. of road to Anza on Hwy 74 1219 Comment
  NY42732  Pinus quadrifolia J. B. Walker 1995-3-28 1289 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA1790  Pinus quadrifolia C. B. Wolf 1931-5-11 1947 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
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Mar 24 2011
  UCSB147  Pinus quadrifolia Cline, C. 1960-5-15 Riverside 0.2 miles West of Hwy. 74 toward Anza 1066 Comment
  UCR101800  Piptatherum miliaceum George K. Helmkamp, E. A. Helmkamp 1998-8-17 4445 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UCR156297  Pityrogramma triangularis T. B. Salvato, Kent Beaman 2005-5-16 844 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
  UCR174069  Pityrogramma triangularis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32637 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., vicinity of peak 2279 695 Comment
  SBBG63863  Plagiobothrys canescens M. N. Ackley -May-1929 1298 Riverside Tahquitz Lodge 1524 Comment
  UCR127363  Plagiobothrys canescens A. C. Sanders, D. Malueg 2003-5-8 26559 Riverside San Jacinto Valley, San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  UCR228742  Plagiobothrys canescens A. C. Sanders, Nathan Moorhatch 2011-3-22 38798 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  UCR266807  Plagiobothrys canescens Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 10 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  UCR127549  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2003-5-21 26804 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
  UCR225739  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38887 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  JEPS29306  Plagiobothrys collinus var. fulvescens Rimo Bacigalupi and L. Heckard 1962-3-25 8401 Riverside ca. 10 air mi. n.w. Elsinore (Temescal Wash, near Arcilla siding of A.T. & S.F. R.R., just below & e. of state hwy. 71); Temescal Wash 289 Comment
  UCR93038  Plagiobothrys collinus var. fulvescens Steve Boyd 1986-4-2 1594 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UC1608031  Plagiobothrys jonesii A. C. Sanders with E. J. Lawlor 1992-4-4 12143 Riverside within 1/2 mi McCoy Spring (alluvial slopes below and to s, and canyon bottom above the spring); Colorado Desert, McCoy Mountains 243 Comment
  RSA85112  Plagiobothrys leptocladus J. C. Roos 1952-4-23 5572 Riverside 1 miles southeast of Perris. 427 Comment
  RSA543589  Plagiobothrys nothofulvus Steve Boyd, Laurel Arnseth, Orlando Mistretta 1991-5-6 6141 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  UCR48174  Plagiobothrys undulatus R. F. Thorne 1973-5-23 45525 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  UC1950031  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin May 1982 55209 Riverside Peninsular Ranges; Santa Ana Mountains region: SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. Comment
  UCR140328  Plantago elongata A. C. Sanders, Guy Bruyea 2004-4-2 27418 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  POM10266  Plantago erecta Charlotte M. Wilder 1905-4-9 580 Riverside Wilder's canon, Juniper [Jurupa] Hills. Comment
  RSA769497  Plantago erecta Justin M. Wood 2010-3-19 1425 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  SDSU18737  Plantago erecta C. Matt Guilliams 2008-2-13 449 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Just south of edge of mesatop. 426 Comment
  UCR56012  Plantago erecta J. A. Adams 1966-3-12 441 Riverside Peninsular Range, Hwy 74, 5 mi east of Elsinore, toward Perris 503 Comment
  SD136799  Plantago lanceolata Steve Boyd, Tim Ross 1992-5-5 7262 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area, northwest of Oak Flats along Verdugo Trail between junctions with Bluewater and Lucas Canyon Trails. 762 Comment
  UCR40204  Plantago lanceolata Steve Boyd 1985-7-2 1000 23 Riverside Santa Ana Mtns., Santa Rosa Plateau, 5 mi. west of Rancho California at junction of Rancho California Road and De Luz Road 427 Comment
  UCR4593  Plantago major R. G. Barber 1962-5-11 s.n. Riverside City of Riverside, near drainage ditch on UCR grounds at 4808 Chicago Avenue. Comment
  UC450059  Plantago ovata Ivan Johnston Apr 4 1917-Apr 6 1917 1006 Riverside near Palm Springs; Colorado Desert 152 Comment
  UCR167296  Plantago ovata Scott D. White 2005-3-29 10827 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  RSA659485  Plantago ovata var. fastigiata J. C. Roos 1966-3-20 s.n. Riverside 2 miles SE of Desert Center. Comment
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Dec 17 2011
  RSA676150  Plantago ovata var. fastigiata Scott D. White 2001-4-12 8312 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  JEPS3451  Plantago patagonica W. L. Jepson 1901-5-27 1467 Riverside Thomas Valley San Jacinto Mts. Comment
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Jun 18 2011
  UCR125281  Platanus acerifolia A. C. Sanders 2002-11-21 25651 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  CAS-BOT-BC93219  Platanus racemosa Ivan Johnston 1917-4-4 1094 Riverside Andreas Canyon. 304 Comment
  UCR225194  Platanus racemosa Steve Boyd, Robert Allen 2005-9-25 11658 Riverside Peninsular Ranges; San Jacinto Mountains region, Chino Canyon, southern base of the range, western margin of Chino Creek along upper end of main parking lot at Valley (lower) station of the Palm Springs Aerial Tramway 793 Comment
  CSUSB1044  Platystemon californicus Ronald H. Sauer 1965-4-28 Riverside Box Springs Mountains Box Springs Mountains. 4.2 miles from beginning of dirt road to radio towers. 487 Comment
  RSA673719  Platystemon californicus Scott D. White, W. LaHaye 2000-5-27 7946 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR113138  Platystemon californicus A. C. Sanders 1998-3-11 21686 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  RSA766067  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -365 Riverside City of Temecula, Vine St. at Peach Tree St. 341 Comment
  UC818427  Pleuraphis rigida I. W. Clokey and B. C. Templeton 1930-4-9 4679 Riverside n Palm Springs; Colorado Desert, n of Palm Springs 170 Comment
  RSA0040098  Pleurocoronis pluriseta Duncan S. Bell, Deidre Conocchioli 2014-3-18 6254 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  RSA603751  Pluchea odorata L. C. Wheeler 1932-9-4 1321 Riverside Santa Ana River at Chino Creek 183 Comment
  CAS-BOT-BC226798  Pluchea sericea A. C. Sanders; T. B. Salvato 2012-4-27 40092 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, 265 m NW of El Hermano Rd. 310 Comment
  UCR80005  Pluchea sericea Scott D. White 1992-9-2 768 Riverside San Jacinto Valley, Vicinity of Gilman Hot Spirngs, north side of San Jacinto River, and a thin strip tending north of the river & west of the Hot Springs. 451 Comment
  UC39534  Poa annua H. M. Hall May 1898 1172 Riverside El Toro Mt; San Jacinto Mts 2133 Comment
  RSA562114  Poa annua Steve Boyd 1992-4-14 6792 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  RSA563884  Poa howellii A. C. Sanders 1993-4-30 13883 Riverside San Bernardino Mtns: Between Cherry Valley and the county line, along Butterfly Road, which joins Wildwood Canyon Road 0.4 miles W of Oak Glen Road., (116 deg 59'W, 34 deg 00'N) 1100 Comment
  UCR2712  Poa nervosa F. M. Reed 1908-7-10 2486 Riverside San Jacinto Mtns, big meadow in Round Valley 2744 Comment
  RSA326155  Poa secunda John F. Emmel 1981-5-25 770 Riverside San Jacinto Mts, Idyllwild, slope just below Middleridge Drive, S of USC Isomata Campus 1585 Comment
  UCD91659  Poa secunda subsp. secunda Peter Kamb 1948-5-2 928 Riverside Upper Sonoran Zone. N slope of the San Jacinto Mountains, above Banning. 1066 Comment
  UCD91691  Poa secunda subsp. secunda J. G. Lemmon 1888-4-14 s.n. Riverside Elsinore. Comment
  SEINET1004376  Polygonum convolvulus T. B. Salvato, Kent Beaman 2005-1 855 Riverside San Jancito Mtn foothills; San Jacinto River E of Valle Vista just downstream from Forest Service boundry and N of CA Hwy 74. 549 Comment
  UCR112473  Polygonum fagopyrum A. C. Sanders, Giles Waines, Mitch Provance, T. B. Salvato, et al 2000-4-15 23322 Riverside Coachella Valley, Chino Canyon, foothills of the San Jacinto Mtns., along the road to the Palm Springs Tram 0.5 mi. above Hwy 111 244 Comment
  UC582893  Polygonum lapathifolium Philip A. Munz 1935-10-21 14653 Riverside below Rincon; Santa Ana River Comment
  UCR89815  Polygonum lapathifolium Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  POM153401  Polygonum punctatum P. A. Munz, I. M. Johnston 1928-9-12 11300 Riverside 3 miles north of Temecula. Warm Springs Creek Comment
  UCR261422  Polypodium californicum Joseph Cahill 2011-1-8 111- 14 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  CSUSB467  Polypogon monspeliensis Richard Sayre 1972-5-20 Riverside Santa Ana River Santa Ana River; Jurupa Avenue, in city of Riverside. Comment
  UCR42327  Polypogon monspeliensis N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 172 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  RSA588816  Polypogon monspeliensis D. L. Banks, Steve Boyd 1995-10-17 768 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  IRVC162  Polystichum imbricans subsp. curtum Lorene Lewton 1965-4-24 HS 552 Riverside Highway 74; 1 mile WSW of Mountain Center. Peninsular Ranges, San Jacinto Mountains Comment
  IRVC18440  Polystichum imbricans subsp. curtum Gordon A. Marsh 1978-10-31 s.n. Riverside Bear Springs at Orange-Riverside County line. Santa Ana Mountains Comment
  SEINET10767438  Populus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12842 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  POM360758  Populus fremontii E. Crow 1929-4-21 334 Riverside North of Alberhill. Comment
  RSA28031  Porophyllum gracile C. L. Hitchcock 1940-4-1 5904 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  CAS-BOT-BC452157  Potamogeton diversifolius P. A. Munz 1922-9-6 6380 Riverside Hidden Lake, San Jacinto Mts 2438 Comment
  UCR24108  Potamogeton diversifolius John C. Roos 1937-8-18 2533 Riverside San Jacinto Mtns, Hidden Lake Comment
  CDA844  Potamogeton pectinatus L. C. Wheeler 1953-3-3 7034 Riverside Sonoran (Colorado) Desert; Alligator Slough on the Colorado River 0 Comment
  POM13235  Potamogeton pusillus Philip A. Munz, J. M. Johnston 1922-5-21 5523 Riverside Hemet Valley, San Jacinto Mts.; Garner Ranch 1387 Comment
  UC537210  Potentilla wheeleri M. E. Jones Sep 1933 Riverside San Jacinto Mountains Comment
  JOTR31228  Prenanthella exigua La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2012 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 4) basalt rocky slopes above Pinto Wash, sparsely vegetated 377 Comment
  RSA0013888  Proboscidea althaeifolia Jim Andre, Tasha La Doux 2008-9-13 10267 Riverside Chuckwalla Valley: along dirt road approximately 2 mi. N of Desert Center, 0.5 miles W of Tamarisk Golf Course (at Kaiser Rd. Jct.) 234 Comment
  UC170162  Proboscidea althaeifolia E. E. Schellenger 1894-8-20 110 Riverside Paloverde Colorado Desert Comment
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Jan 23 2012
  UCR101521  Proboscidea althaeifolia Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10062 Riverside Colorado/Mojave Desert, Little Maria Mountains, bajada at SW end of Rice Valley along Midland Road, just north of pass between Little and Big Maria Mountains. 274 Comment
  RSA0013894  Proboscidea althaeifolia J. S. Stubblefield 1934-9-12 s.n. Riverside Between Desert Center and Blythe. Comment
  POM348731  Prosopis glandulosa var. torreyana N. C. Cooper 1942-4-17 576 Riverside Palm Springs. Comment
  UC1129888  Prosopis glandulosa var. torreyana H. S. Yates 1937-6-28 6728 Riverside Palm Springs 137 Comment
  UC1280978  Prosopis pubescens H. E. McMinn 1937-3-6 5008 Riverside 1 mi e Blythe Comment
  CAS-BOT-BC151125  Prunus fremontii Milo S. Baker 1928-4-4 2799 b Riverside Tahquitz Canyon Comment
  RSA453237  Prunus fremontii F. W. Peirson 1922-12-7 s.n. Riverside Andreas Canyon. 610 Comment
  SD229260  Prunus fremontii Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 629 Riverside Mt. San Jacinto 1085 Comment
  CLARK-A1528-4034  Prunus ilicifolia John C. Roos 1940-5-4 Riverside San Timoteo Canyon Comment
  SEINET3077276 Image available Prunus ilicifolia H. S. Gentry 1954-7-25 14244 Riverside NW of Aguanga along road to Sage. Comment
  RSA613148  Prunus ilicifolia subsp. ilicifolia D. L. Banks 1997-4-5 1656 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  POM48352  Prunus virginiana var. demissa Philip A. Munz, I. M. Johnston 1924-7-29 8867 Riverside San Gorgonio Canyon, North of Banning 1372 Comment
  SD27951  Psathyrotes ramosissima Carl B. Wolf 1932-4-26 2972 Riverside 5.0 miles east of Mecca, on Blythe Road. 99 Comment
  POM358759  Pseudognaphalium biolettii N. R. Zabriskie 1974-3-27 694 Riverside N side canyon downstream from 'Big Pool' Andreas Canyon, N slope San Jacinto mts 335 Comment
  RSA614635  Pseudognaphalium biolettii D. L. Banks 1997-3-29 1561 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
  UC1979532  Pseudognaphalium californicum Darin L. Banks, Steve Boyd 1995-4-5 158 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail, in the N flowing drainage that empties into Arroyo Seco. Comment
  RSA563880  Psilocarphus brevissimus A. C. Sanders 1993-5-12 13996 Riverside Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Road, between San Diego Aqueduct and Warren. 457 Comment
  RSA563910  Psilocarphus brevissimus A. C. Sanders 1993-4-5 13687 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  SD68944  Psilocarphus brevissimus var. brevissimus Robert F. Thorne, E. Lathrop and O. Clark, and S. Carlquist 1968-4-18 37436 Riverside Mesa de Colorado, Rancho Californioa, Santa Rosa Plateau. 669 Comment
  UCR151365  Psoralea macrostachya Scott D. White, Pam DeVries 2000-4-25 7734 Riverside Peninsular Ranges/ Perris-Aguanga Basin, Temescal Valley, Corona area: E foothills of the Santa Ana Mtns, just above citrus groves 518 Comment
  RSA698041  Psorothamnus arborescens var. simplicifolius J. R. Bruff 1928-4-2 92 Riverside Whitewater. Comment
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Jan 14 2010
  UC56448  Psorothamnus arborescens var. simplicifolius H. M. Hall and W. L. Jepson May 17 1901-Jun 1 1901 1832 Riverside near Palm Canyon 609 Comment
  UC574887  Psorothamnus arborescens var. simplicifolius C. Epling, Wm. Robison 1933-6-24 Riverside San Gorgonio Wash near Banning; Little San Bernardino Mountains Comment
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Jun 26 2012
  UCR281930  Psorothamnus arborescens var. simplicifolius A. C. Sanders, Jim Malusa 2017-9-19 43342 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 3.35 km SW (214 deg. ) of Tabaseca Tank 693 Comment
  LA205192  Psorothamnus emoryi Louis Wheeler; 1931-11-26 392 Riverside Salton Sea 2 mi. SE Salton Bench Mark -67 Comment
  RSA784719  Psorothamnus emoryi Duncan S. Bell 2012-3-18 3206 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
  UCD77964  Psorothamnus emoryi Robert E. Preston 1997-11-11 1064 Riverside east edge of Palo Verde Mesa 99 Comment
  JOTR01071  Psorothamnus polydenius Cole, James E. 1941-5-22 769 Riverside Joshua Tree National Park. RUBY LEE MILL SITE 914 Comment
  CAS-BOT-BC340920  Psorothamnus schottii Peter H. Raven 1958-1-24 11452 Riverside Fargo Canyon Comment
  UC555343  Psorothamnus schottii Margaret Stason 1927-3-12 Riverside Painted Canyon , Painted Canyon (Colorado Desert) Comment
  UC990934  Psorothamnus schottii D. F. Howe 1952-4-27 Riverside 5 mi s of highway e Mecca (along all American Canal); , e of Mecca Comment
  UCR100131  Psorothamnus schottii B. G. Pitzer 1997-10-19 3352 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  JOTR32401  Psorothamnus spinosus Harding, Mitzi, A. Benton 2011-7-13 16 Riverside Joshua Tree National Park. Cottonwood Canyon, between Cottonwood and Eagle Mountains; Along Cottonwood Spring Road; Large, active, sandy wash 741 Comment
  UC372911  Psorothamnus spinosus Marcus E. Jones 1926-6-8 Riverside Palm Springs Comment
  UC575036  Psorothamnus spinosus C. Epling, L. Ellison 1933-6-24 Riverside near Palm Springs (near Cathedral City); , near Palm Springs Comment
  RSA482019  Pteridium aquilinum var. pubescens Richard Noyes, L. Arnseth 1988-9-10 730 Riverside San Jacinto Mountains: South Ridge Trail, southwest of Tahquitz Peak. 2072 Comment
  RSA575917  Pteridium aquilinum var. pubescens Steve Boyd 1994-10-14 8376 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon, Fisherman's Camp. 341 Comment
  UCR16525  Pterostegia drymarioides Grace Sprague 1968-5-3 s.n. Riverside San Bernardino Mtns., Whitewater Canyon. Comment
  SD229263  Purshia tridentata var. glandulosa Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 645 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  RSA0081606  Pyrola aphylla P. A. Munz 1922-9-6 6389 Riverside Hidden Lake, San Jacinto Mountains. 2286 Comment
  SEINET13382482 Image available Quercus Mitch Provance 2009-1 17424 Riverside Banning, beneath SCE lines about 290 m NW of the intersection of Bluff St. and Midas Canyon Rd 850 Comment
  SEINET10914610  Quercus X acutidens Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-11 Townesmith 674 Riverside Cleveland National Forest. Along South Main Divide Road, 3.5 miles south of intersection with Route 74 890 Comment
  RSA711037  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner 2005-8-12 31544 Riverside San Jacinto Mtns.: lower Bautista Canyon, 1.1 mi above Forest Service boundry, 3.2 miles above retention dam at mouth. 744 Comment
  UCR161944  Quercus agrifolia var. oxyadenia Mike Misenhelter 2005-9-9 s.n. Riverside San Bernardino Mtns., northeast of intersection of Basil Lane and Butterfly Drive, just south of Wildwood Canyon Road, north of Cherry Valley 1052 Comment
  UCR235077  Quercus berberidifolia A. C. Sanders, John F. Green 2012-6-1 40236 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, just SE of I-15 junction with Horsethief Cyn. Rd., c. 7 miles N of Lake Elsinore 377 Comment
  UCR273003  Quercus berberidifolia Mitch Provance 2012-8-30 17436 Riverside Foothills of the San Jacinto Mountins, Lower Old Idyllwild Rd., S of Smith Creek, about 3 mi S of the City of Banning 780 Comment
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May 22 2019
  CAS-BOT-BC86547  Quercus cornelius-mulleri D. B. Dunn 1947-10-9 3529 Riverside Joshua Tree National Monument at campground area by Hidden Valley Comment
  HSC101769  Quercus cornelius-mulleri J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13184 Riverside Along State Route 74 1227 Comment
  UCD45614  Quercus cornelius-mulleri Frank C. Vasek 1975-9-11 s.n. Riverside In pinyon woodland (desert margin), elevation ca. 5000 feet; South Sheep Mountain, at the South edge of the Deep Canyon Reserve, Riverside County, California. 1524 Comment
  UCSB60490  Quercus cornelius-mulleri Steele, Kelly; Wilson, Chris 1982-2-19 Riverside Just off Hwy. 74, south on 7S06 (dirt road), 3.6 miles northeast of the junction of Hwy. 74 and Santa Rosa Mt. Road 1036 Comment
  UCR273033  Quercus engelmannii Mitch Provance 2012-1-25 17376 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 677 Comment
  JOTR30778  Quercus john-tuckeri La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1888 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  JOTR31148  Quercus john-tuckeri La Doux, Tasha 2009-6-3 1857 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  CAS-BOT-BC105323  Quercus kelloggii P. A. Munz 1922-7-2 5943 Riverside Santa Rosa Mts, Santa Rosa 1981 Comment
  SD229176  Quercus kelloggii Dick Schwenkmeyer 2012-8-28 816 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  SD229178  Quercus kelloggii Dick Schwenkmeyer 2012-4-18 706 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  IRVC1361  Quercus turbinella R. H. Whittaker, W. A. Niering 1963-5-27 SJ 10 Riverside San Jacinto Mountains, Hemet Highway. Slope N 35 degrees with granite soil. 1265 Comment
  CAS-BOT-BC104995  Quercus wislizeni Louis C. Wheeler 1931-10-3 s.n. Riverside Strawberry Valley, Mt. San Jacinto Comment
  SACT002731  Quercus wislizeni var. frutescens A. Delisle 1961-6-25 Riverside Alendale Pines Riverside, Ca Comment
  SDSU13980  Quercus wislizeni var. frutescens Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2107 Riverside Just south of wet meadow region. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  UCR169241  Quercus wislizeni var. frutescens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 82 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  CAS-BOT-BC362518  Rafinesquia californica Ivan Johnston 1917-4-4 1075 Riverside Colorado Desert. Palm Canyon 304 Comment
  SEINET6659413  Rafinesquia californica Daphne K. Christopher, Zachary Princip; Hannah I. Stevens 2003-4-9 133 Riverside Near Hermano road, off Hwy 15, Indian Truck Trail exit. On main gravel road heading away from ranch entrance and a private residence driveways.; 0 363 Comment
  RSA550012  Rafinesquia neomexicana Walter Wisura, John Dolan, C. Demme 1992-4-13 4685 Riverside Wileys Well road, 2.7 miles s of prison Comment
  UC565506  Rafinesquia neomexicana H. L. Mason 1928-3-10 4178 Riverside Whitewater River Comment
  UCR217805  Rafinesquia neomexicana Jim Andre, T. La Doux 2010-2-28 12547 Riverside Lower Colorado River Valley, along Hwy 95 c. 20 miles south of Vidal Junction, at SE corner of Riverside Mountains 145 Comment
  UCR233149A  Rafinesquia neomexicana Jim Andre, Glenn L. Clifton 2011-2-22 17463 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA95061  Rafinesquia neomexicana F. W. Peirson 1920-2-16 2762 Riverside Garden of Eden at Palm Springs Comment
  CAS-BOT-BC379419  Ranunculus alismifolius var. alismellus H. M. Hall 1901-7-1 2405 Riverside San Jacinto Mountains, in meadows or along creeks of Tamarack Valley 2804 Comment
  UC219191  Ranunculus aquatilis var. capillaceus P. A. Munz 1922-4-28 5022 Riverside 5 mi nw Corona (small branch of creek); Chino Creek 228 Comment
  UCR161010  Ranunculus californicus 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
  POM98006  Ranunculus californicus E. C. Jaeger 1926-3-29 s.n. Riverside Thomas Valley, San Jacinto Mts 1524 Comment
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Mar 16 2013
  RSA552737  Ranunculus hebecarpus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6759 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  UCR114754  Ranunculus hebecarpus Scott D. White, D. E. Bramlet 1999-4-22 7233 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR91291  Raphanus sativus Scott D. White, M. Jacobsmeyer 1996-4-20 3978 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  UCR154462  Rhamnus californica Jason L. Hlebakos 2005-5-30 804 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  SBBG44538  Rhamnus ilicifolia W. B. Holt 1941-10-23 18 -1941 Riverside near Split Rock, Joshua Tree Nat Monument Comment
  RSA731532  Rhamnus pilosa R. E. Riefner 2007-9-6 7 -376 Riverside W of Rainbow Canyon ca. 2 mi E of I-15 SW of Pechanga Indian Reservation 668 Comment
  UCR90985  Rhus aromatica Scott D. White 1996-3-31 3870 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
  UCR23410  Rhus integrifolia John C. Roos 1944-1-29 2766 Riverside Box Springs Mtns. east of Riverside near Pigeon Pass 750 Comment
  POM13126  Rhus ovata I. M. Johnston 1922-5-18 5327 Riverside Glen Ivy Comment
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Sep 24 2013
  RSA386392  Rhus ovata D. A. Young 1969-3-21 P- 364 Riverside 11 mile W of Elsinore, along Hwy 71. 244 Comment
  UC1002628  Rhus ovata Alice Yates and Jas. E. Wilcox 1954-1-29 Riverside Whitewater Canyon 457 Comment
  UC2015590  Rhus ovata Scott D. White 1996-3-16 3820 Riverside Perris Basin, Lakeview Mts, N of Winchester, at Maze Stone Picnic Area. Comment
  UCD116938  Rhus ovata T. B. Salvato; Kent Beaman 2005-5-16 880 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  IRVC9268  Rhus trilobata var. quinata B. T. Gittins 1966-5-1 1248 Riverside 6 miles W of Murietta; roadside. Santa Ana Mountains Comment
  POM10268  Rhus trilobata var. quinata Charlotte M. Wilder 1904-3-22 46 Riverside Wilder s Canon. Jurupa Hills. Near Riverside. Comment
  UC11511  Ribes cereum H. M. Hall July, 1901 2411 Riverside near summit San Jacinto Mountains 3291 Comment
  CAS-BOT-BC173143  Ribes indecorum A. C. Sanders; Mitch Provance; E. J. Lawlor 2000-1-23 23313 Riverside Lake Skinner area: summit of Black Mtn. 915 Comment
  POM614517  Ribes indecorum A. C. Sanders 1994-1-30 14229 Riverside Box Springs Mtns at the head of Two Trees Canyon. 686 Comment
  RSA114869  Ribes indecorum G. R. Campbell 1954-12-8 20535 Riverside 1/2 way up W side of Mt San Jacinto Comment
  RSA798536  Ribes indecorum Robert F. Thorne, E. W. Lathrop 1977-5-18 49733 Riverside Santa Ana Mountains: Camp Portrero [near junction of Tenaja Truck Trail and Ortega Highway (74)] Comment
  RSA659610  Ribes malvaceum var. viridifolium J. C. Roos 1947-3-15 3341 Riverside Chaparral on a burn. The west face of the San Jacinto Mtns. Comment
  CAS-BOT-BC212609  Ribes montigenum Mrs. C. M. Wilder 1909-6-12 946 Riverside Round Valley, San Jacinto Mountains Comment
  UC11578  Ribes montigenum H. M. Hall July, 1901 2410 Riverside near summit San Jacinto Mountains 3293 Comment
  CSUSB884  Ribes nevadense Carolyn McNeill 1969-4-28 Riverside San Jacinto Mountains San Jacinto Mountains, along Banning to Idyllwild Highway at Bay Tree Spring turnout. 1676 Comment
  UCR137047  Ribes quercetorum A. C. Sanders 2004-5-5 27766 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
  CAS-BOT-BC173857  Ribes velutinum Samuel B. Parish 1894-2-25 s.n. Riverside Reche [Canon] Canyon Comment
  UCR275362  Ricinus communis T. B. Salvato, Melissa Clemons 2005-6-9 1505 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  CHSC1217  Romneya coulteri E. Thomas 1940-5-11 Riverside Temescal canyon. Comment
  UC1126496  Romneya coulteri R. St. John 1930-4-13 112 Riverside Temescal Wash Corona Quadrangle 304 Comment
  POM319683  Rorippa palustris Patricia Wilder 1971-5-13 4929 Riverside Prado Flood Control Basin at base of Prado Dam. Santa Ana River drainage area. 122 Comment
  UCR119440  Rorippa sphaerocarpa A. C. Sanders, Mitch Provance 1999-9-26 23096 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  SEINET884347 Image available Rubiaceae G. L. Stebbins, L. T. Dempster 1966-1 4244 Riverside Black Mt. road, 0.9 mi above jct of road to Pine Wood, San Jacinto Mountains 1981 Comment
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Aug 25 2013
  POM366415  Rubus parviflorus M. B. Dunkle 1933-7-21 3731 Riverside Idyllwild. 1616 Comment
  UCR25812  Rumex conglomeratus John C. Roos 1952-6-10 5759 Riverside San Bernardino Valley Region, Fairmont Park in Riverside, edge of lake 259 Comment
  RSA0085062  Rumex crispus Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 11 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. 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
  UCR40202  Rumex salicifolius Steve Boyd 1985-7-23 1015 Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  RSA774117  Rumex salicifolius var. denticulatus Duncan S. Bell, Colleen Wheeler 2010-7-19 1628 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  UCR92139  Rumex salicifolius var. denticulatus D. L. Banks, Steve Boyd 1995-5-3 0204 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  OBI38317  Rumex violascens Oscar F. Clarke 1985-5-13 s.n. Riverside San Jacinto River valley, gun club ponds E of David Rd a short distance N of Lakeview, E of the Bernasconi Hills 427 Comment
  CLARK-A1528-595  Salazaria mexicana Charlotte Stocks 1962-6-15 Riverside San Jacinto Mountains 1066 Comment
  POM13991  Salazaria mexicana P. A. Munz 1922-4-9 4885 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  UC498790  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside 4.8 km. n of Arlington (on rd. to Pedley, w of Riverside, e side of bridge over Santa Ana R., base of embankment either side of hwy.) 240 Comment
  SBBG54388  Salix exigua var. hindsiana P. Wilder 1971-9-29 5276 Riverside E of Hemet, Valle Vista at N end of Fairview Street, N of Florida Street Comment
  CAS-BOT-BC108111  Salix gooddingii C. Epling; J. Ewan 1933-6-1 s.n. Riverside South shore Lake Elsinore Comment
  RSA4945  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside Overflow land back of Colorado River, about 800 m. from State Inspection Station, on way to Blythe Bridge. 90 Comment
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Mar 26 2011
  SD225102  Salix laevigata Scott D. White 1996-3-16 3827 Riverside Perris Basin: Lakeview Mts, N of Winchester, at Maze Stone Picnic Area. 609 Comment
  UC846611  Salix laevigata Joseph Andorfer Ewan 1933-3-19 10903 Riverside Santa Ana R. at Prado; Santa Ana R. Comment
  UCR11307  Salix laevigata O. F. Clarke, M. Alexander 1971-3-31 s.n. Riverside Santa Ana River Bottom, Union Pacific Bridge 213 Comment
  JOTR36410  Salix lasiolepis La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3359 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  SBBG54391  Salix lasiolepis P. Wilder 1971-3-20 4896 Riverside Santa Ana River at end of Pedley Street, Norco, on S side of Santa Ana River 243 Comment
  SD225104  Salix lasiolepis Scott D. White, Shelton Dowthit & Conservancy volunteers 1996-3-31 3848 Riverside Lk Skinner Area: Riverside Land Conservancy conservation easement site, about 1/2 air mi S of the reservoir, near East Benton Road. 533 Comment
  RSA444942  Salsola tragus N. C. Cooper 1943-9-26 934 Riverside Cabazon; Alkali Flat. 610 Comment
  POM12875  Saltugilia splendens P. A. Munz 1922-7-6 6015 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  POM14051  Saltugilia splendens P. A. Munz, D. D. Keck 1922-4-14 5001 Riverside East of White Water Ranch. 244 Comment
  SEINET2065986 Image available Salvia apiana B. Pitzer 1986-4-26 186 Riverside Whitewater Canyon, ca. 4.5 mi N of Hwy I-10 on Whitewater Canyon Rd. Whitewater 7.5 Quad 731 Comment
  UC25654  Salvia apiana Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR151385  Salvia clevelandii Scott D. White, T. B. Salvato 2001-6-8 8581 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley 579 Comment
  RSA314624  Salvia columbariae Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55414 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA33779  Salvia columbariae N. C. Cooper 1944-6-4 1349 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA554430  Salvia columbariae Theo Glenn 1992-3-31 92 -6 Riverside Colorado Desert. N side of Eagle Mountains, Storm Jade Mine. Comment
  RSA703400  Salvia columbariae LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1452 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA770849  Salvia columbariae Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4939 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  UCLA70081  Salvia columbariae K. Watkins and E. McClintock 1937-4-9 Riverside near Winchester turnoff (Riverside to Hemet road) Comment
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Mar 20 2011
  VVC292  Salvia columbariae P. J. MacKay 1975-4-26 s.n. Riverside Peninsular Range, Palm to Pines Hwy, Hwy 74 970 Comment
  JOTR16870  Salvia leucophylla Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  SD225011  Salvia mellifera A. C. Sanders, G. Wainer, B. Ehdaie, A. Aryavand 1997-3-12 19871 Riverside Lake Kninner area: lower Rawson Canyon, just NE of the lake along the road. 456 Comment
  UCR241822  Salvia mellifera A. C. Sanders, Timothy W. Chumley 2013-4-2 40753 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  UCR89858  Salvia mellifera Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3325 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-BC224854  Salvia pachyphylla P. A. Munz; E. K. Balls 1952-8-21 17981 Riverside Vandeventer Flat to Santa Rosa Peak 2072 Comment
  CAS-BOT-BC233349  Salvia vaseyi Annie M. Alexander; Louise Kellogg 1941-6-1 2267 Riverside Dry Morongo Creek, Morongo Valley 655 Comment
  UCR18778  Salvia vaseyi John C. Roos 1948-5-8 3825 Riverside San Bernardino Mtns, Whitewater 579 Comment
  JEPS12757  Sambucus mexicana W. L. Jepson 1935-4-21 17157 Riverside near branch road to Pines; Aguanga 603 Comment
  RSA660228  Sambucus mexicana Sandy Gray 1981-5-15 17 Riverside Hwy 60 N. Beaumont Bogart State park. 792 Comment
  UCR197059  Sambucus mexicana A. C. Sanders, D. L. Sanders 2008-9-27 36108 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  RSA180288  Samolus parviflorus E. W. Lathrop 1964-9-13 5409 Riverside 8 miles west of Murrieta Comment
  SDSU13636  Samolus parviflorus W. Miller, C. Mosse 1972-7-20 Riverside Growing out of crack in rock near pools in bedrock in the northwest section. Comment
  POM3180  Sanicula bipinnatifida Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near Murrieta. Comment
  RSA524590  Sanicula bipinnatifida Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3904 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  CLARK-A1528-1453  Sanicula tuberosa John C. Roos 1950-4-22 4755 Riverside Reche Canyon 761 Comment
  POM113415  Sanicula tuberosa J. B. Feudge 1926-4-10 1368 Riverside Reche Canyon. 610 Comment
  RSA559416  Sanicula tuberosa Steve Boyd 1992-4-15 6863 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  SEINET4566951 Image available Sarcostemma hirtellum Scott D. White 2001-4-17 8337 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. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  UCR159888  Sarcostemma hirtellum Scott D. White 1999-4-20 7278 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  UCR82819  Sarcostemma hirtellum Bern Schwenn 1994-3-21 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Park and vicinity, Little San Bernardino Mtns, along radio tower road in first canyon west of mouth of Pushawalla Canyon, east of Upper Thousand Palms Canyon 610 Comment
  UCR214416  Schismus arabicus A. C. Sanders, Richard Dwerlkotte 2010-3-22 37502 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  UCR241545  Schismus arabicus A. C. Sanders, Ann Howald 2013-2-27 40550 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  UCR59815  Schoenoplectus californicus Jeri Hirshberg 1989-7-18 s.n. Riverside Vicinity of Lake Skinner: drainage east of the reservoir. Comment
  RSA556499  Schoenoplectus glaucus Julie Greene 1993-4-3 1106 Riverside San Jacinto Wildlife Area: west of dirt road. 445 Comment
  RSA366083  Schoenoplectus maritimus Joseph A. Ewan, C. Epling 1933-5-12 7609 Riverside South shore Lake Elsinore. Comment
  UCR90349  Scirpus microcarpus Scott D. White 1995-6-30 3418 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  RSA709799  Scrophularia californica A. C. Sanders 2004-6-30 28393 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City. 470 Comment
  UC27614  Scrophularia californica Geo. F. Reinhardt Riverside San Jacinto Valley Comment
  CAS-BOT-BC214224  Scutellaria bolanderi subsp. austromontana A. C. Sanders; Mitch Provance 2008-7-11 35803 Riverside Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station, Peninsular Range, San Jacinto Mtns. 1474 Comment
  RSA740788  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin M. Wood 2008-7-9 12414 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  RSA5220  Scutellaria siphocampyloides Carl B. Wolf 1932-8-4 3907 Riverside Point View near Idyllwild. 1646 Comment
  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
  RSA586116  Scutellaria tuberosa D. L. Banks, Steve D. Boyd 1995-4-5 156 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
  CHSC89575  Selaginella bigelovii L. P. Janeway 2004-5-8 8070 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek. 421 Comment
  SEINET2043064 Image available Selaginella bigelovii A. C. Sanders, O . F. Clarke, P. MacKay, S. White, C. L. Sanders 1994-11-27 15867 Riverside Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East fork. 268 Comment
  UCR1622  Senecio californicus Leland R. Dykes 1962-4-1 14 Riverside San Bernardino Mtns/ Sonoran (Colorado) Desert, Whitewater Canyon Rd, 4.5 mi north of U.S. 60 732 Comment
  POM98008  Senecio californicus E. C. Jaeger 1926-3-27 s.n. Riverside Bautista Valley 1220 Comment
  UC575074  Senecio flaccidus var. douglasii C. Epling, Wm. Robison 1933-6-24 Riverside near Banning; Little San Bernardino Mts., San Gorgonio Wash Comment
  JOTR34397  Senecio flaccidus var. monoensis Andre, Jim 2012-4-16 20930 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  LA203935  Senecio flaccidus var. monoensis C. L. Hitchcock; 1940-4-5 5964 Riverside 3 mi. below Cottonwood Springs Comment
  RSA727602  Senecio mohavensis Naomi Fraga, Lisa Rojas 2005-2-10 1392 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UC354444  Senecio mohavensis Edmund C. Jaeger 1929-2 Riverside Canyon Springs on Butterfield Trail; Colorado Desert, Canyon Springs on old Butterfield Trail Comment
  RSA524465  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4068 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
  RSA314644  Senecio vulgaris R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55453 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  SEINET12264998  Senegalia greggii Unknown 1936-1 12808 Riverside foothills of San Jacinto Mts near Palm Springs Comment
  SD134449  Senna covesii Craig Reiser 1992-4-11 Riverside Beside Palms to Pines Highway, near the top of the grade dropping to Palm Desert Comment
  UC2013409  Sequoiadendron giganteum Rudolf Schmid and Mena J. Schmid 2009-5-1 2009 -2 Riverside NW San Jacinto Mountains NE of Highway 243 ca. 16 Highway km NW of Idyllwild, in the S unit of the San Bernardino National Forest, on SW, flank of Black Mountain (summit). Just right (as ascending) of Black Mountain Trail on slope covered with Pteridium aquilinum and near drainage (Indian Creek), uppermost Hall Canyon. Comment
  UCR257044  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009- 1 Riverside San Jacinto Mountains, northeast of Hwy 243 c. 16 km northwest of Idyllwild, in the south unit of the San Bernardino National Forest, on southwest flank of Black Mountain, Black Mountain Trail, on slope by large trunk lying across trail, at the head of Indian Creek in the drainage, uppermost Hall Canyon 2037 Comment
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Jul 25 2018
  CDA4261  Sesbania herbacea T. C. Fuller 1958-9-23 2153 Riverside Clinton Street & Avenue 46, north of Indio. 0 Comment
  CDA4262  Sesbania herbacea T. C. Fuller 1958-9-23 2153 Riverside Clinton Street & Avenue 46, north of Indio. 0 Comment
  CAS-BOT-BC240117  Setaria adhaerens Malcom A. Nobs; S. Galen Smith 1948-9-3 492 Riverside Imperial Valley. 2 miles north of Indio Comment
  RSA448211  Sidalcea malviflora subsp. sparsifolia F. W. Peirson 1922-5-20 4309 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  UCR137483  Sidalcea malviflora subsp. sparsifolia D. L. Banks 1997-3-29 1573 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  CAS-BOT-BC434394  Sidotheca trilobata A. C. Sanders; Mitch Provance 2008-7-11 35762 Riverside Peninsular Range; San Jacinto Mtns.: 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad. 1494 Comment
  RSA561783  Silene antirrhina Steve Boyd 1992-4-14 6845 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  UCD98713  Silene gallica J. Warren 1952-3-16 s.n. Riverside near Lake Elsinore.