Search Results — 2000 specimen records retrieved (1882 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 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
  SEINET7048005  Abies concolor Steven R. Hill, Kate Kramer and family 2001-4-26 33472 Riverside San Jacinto Mountains, San Jacinto Wilderness, west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges. Elevation about 8500 feet. Comment
  CAS-BOT-BC229328  Abronia villosa Geo. B. Grant 1901-8-5 s.n. Riverside San Jacinto Comment
  OBI2989  Abronia villosa Lewis S. Rose 1967-12-20 67184 Riverside 6 mi SE of Thousand Palms 9 Comment
  SBBG32390  Abronia villosa L. S. Rose 1967-12-20 Riverside 6 mi SE of Thousand Palms 15 Comment
  SEINET893717  Abronia villosa Norman C. Cooper 1944-1 1104 Riverside Cabazon. 457 Comment
  UC1136567  Abronia villosa H. S. Yates 1937-6-27 6719 Riverside s end of Hemet Valley; San Jacinto Comment
  UCD109833  Abronia villosa R. L. Smith 1948-3-24 s.n. Riverside Foot of Andreas Canyon. Comment
  CLARK-A1528-3918  Abronia villosa var. aurita Charles S. Papp 1965-6-13 833 Riverside San Jacinto Comment
  POM746  Abronia villosa var. aurita Jenkins, Steele 1917-5-30 1935 Riverside San Jacinto. Comment
Read comments
Mar 1 2014
  UCR180340  Abronia villosa var. aurita Scott D. White, Angelia Carey 2004-4-5 9978 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 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
  UCR238088  Abronia villosa var. aurita Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2052 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  RSA335000  Abutilon theophrasti Steve Boyd 1985-9-23 1189 Riverside 22851 DeProd Street: Boyd residence, Good Hope Valley area, west of Perris. 488 Comment
  JEPS64732  Acacia greggii W. L. Jepson 1912-10-29 5246 a Riverside near Blach Point (Riverside Mountains, along the Colorado River, Blythe Intake, Needles to Yuma); Riverside Mountains, Colorado River, Blythe Intake 88 Comment
Read comments
May 15 2011
  UCR113535  Acacia saligna Mitch Provance 2000-9-15 2245 Riverside W La Loma Hills, corner of Center Street and Orange Street 256 Comment
  POM50127  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall 1901-06 2108 Riverside Eastern base of the San Jacinto Mountains, along the border of the Colorado Desert. Comment
  SBBG7491  Acamptopappus sphaerocephalus var. sphaerocephalus H. and M. Dearing 1939-12-31 4044 Riverside N of Palm Springs Comment
  POM46953  Achnatherum hymenoides Mary F. Spencer 1918-3-27 829 Riverside Palm Springs. 137 Comment
  RSA651613  Achnatherum hymenoides D. L. Heald 1966-5-16 53 Riverside Off the road behind Webber Hall at UCR in Riverside. 304 Comment
  RSA697717  Achnatherum hymenoides J. Russell Bruff 1928-4-11 73 Riverside Whitewater. Comment
  UCD50439  Achnatherum hymenoides F. M. Reed 1921-3-19 5671 Riverside California, Riverside County. Salt Creek Wash, Colorado Desert. east of Mecca. 213 Comment
  JOTR31137  Achnatherum parishii La Doux, Tasha 2009-6-3 1849 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  CAS-BOT-BC384715  Achyronychia cooperi Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  JOTR33800  Achyronychia cooperi La Doux, Tasha, B. Truesdell 2007-11-9 3298 Riverside Joshua Tree National Park. Pinto Basin; Fried Liver Wash, along Route 11 where the wash crosses the road (STOP 1) 532 Comment
  JOTR35356  Achyronychia cooperi Harding, Mitzi, M. Wheeler 2011-1-26 109 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, between NE Eagle Mountains and W Coxcomb Mountains along dirt road (STOP1) 267 Comment
  SBBG56033  Acmispon argophyllus var. argophyllus B. Gustafson 1977-4-7 5586 Riverside Whitewater Cyn Rd, near start of Pacific Crest Trail 609 Comment
  SBBG133770  Acmispon brachycarpus A. C. Sanders 2011-4-26 39327 Riverside Alberhill Mtn, S side near Nichols Rd, ca. 350 m WNW (276 deg ) of Nichols Rd and Pierce St intersection 395 Comment
  LA48109  Acmispon heermannii Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove Comment
  SD137780  Acmispon micranthus Darin L. Banks, Steve Boyd 1995-4-5 136 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain east of the Dripping Springs Alcove along the Dripping Springs Trail, open hillside 609 Comment
  SBBG3409  Acmispon nevadensis var. nevadensis R. Hoffmann 1929-9-7 Riverside Strawberry Valley Comment
  CHSC888  Acmispon rigidus V. Holt 1937-4-10 Riverside Santa Rosa mountains. Comment
  SBBG35006  Acmispon strigosus T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  SD152856  Acmispon strigosus Steve Boyd 1992-4-15 6857 Riverside Santa Ana Mountains, San Mareo Canyon Wilderness Area, Bluewater Canyon along Bluewater Trail downstream to the confluence with san Mateo Creek, open benches 334 Comment
  RSA390497  Adenostoma fasciculatum var. fasciculatum E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 915 Comment
  RSA453180  Adenostoma sparsifolium E. C. Jaeger 1923-6-6 s.n. Riverside East-slope San Jacinto Mountains 1585 Comment
  SBBG53855  Adenostoma sparsifolium K. R. Montgomery 1969-11-6 69 -20 Riverside Wilson Valley Rd, 18 mi S of Hemet 1097 Comment
  RSA162790  Adiantum aleuticum J. D. Olmsted 1959-7-16 760 Riverside San Jacinto Mts. 1/2 mi. below Carumba on Tahquitz Cr., 8 mi. east of Idyllwild (below dropoff) 2073 Comment
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Mar 21 2011
  RSA84991  Adiantum capillus-veneris F. W. Peirson 1919-4-13 1521 Riverside First canyon east of Palm Canyon, Palm Springs region. Comment
  UCR41242  Adiantum capillus-veneris N. M. Fellows, A. C. Sanders 1985-4-9 140 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA22815  Agave deserti subsp. deserti Carl B. Wolf, Percy C. Everett 1939-9-29 9455 Riverside Desert slopes of San Jacinto Range. Deep canyon on Palms to Pines Road, 2.7 miles below road to Dos Palmos Spring. 274 Comment
  RSA739778  Agoseris heterophylla A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35652 Riverside May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  RSA95111  Agoseris heterophylla var. heterophylla F. W. Peirson 1922-5-20 3045 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  UC1514475  Agoseris retrorsa E. W. Lathrop 1968-5-22 6923 Riverside trail between El Carriso and Santiago Peak Main Divide Truck; Cleveland Nat'l. Forest, El Carriso, Santiago Peak 1219 Comment
  CAS-BOT-BC139444  Agrostis hyemalis Ralph Hoffmann 1929-9-6 s.n. Riverside Border of brook, Jahquitz Valley, Mount San Jacinto. 2438 Comment
  RSA131724  Agrostis pallens E. K. Balls 1958-6-27 23301 Riverside Between Santiago Peak and Indian Truck Trail, along Main Divide, Santa Ana Mountains. 1372 Comment
  UCR96425  Agrostis pallens Scott D. White 1996-8-1 4425 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  SEINET14046490  Agrostis pallens S. D. White, M. Honer, D. Hannon 2003-6-24 9586 Riverside Near Rainbow Valley; mountains W of I-15 freeway and immediately N of San Diego Co. border. 335 Comment
  UCD53295  Agrostis scabra August L. Hormay 1932-8-8 s.n. Riverside Tahquitz Valley. Comment
Read comments
Aug 13 2006
  UCR93233  Ailanthus altissima A. C. Sanders 1994-7-27 15157 Riverside Santa Ana River, Colton and Riverside: from the Riverside Avenue (North Main Street) Bridge downstream to just above the Market Street crossing. 246 Comment
  UCR220306  Albizia julibrissin Bill Wagner 2005-10-7 s.n. Riverside Peninsular Range; Gavilan Hills Region, Cajalco Flood Control Basin site (proposed, since constructed), at NE corner of El Sobrante Rd. and Cajalco Rd. 447 Comment
  POM13217A  Aliciella latifolia E. C. Jaeger 1921-04 1129 Riverside Painted canyon, near Mecca. Comment
  CAS-BOT-BC293736  Aliciella latifolia subsp. latifolia Mona Bourell 1987-4-14 3280 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  UC421609  Allenrolfea occidentalis John Thomas Howell 1928-11-4 4081 Riverside 3 mi. n.w. of Mecca (on rd. to Indio); Coachella Valley Comment
  CAS-BOT-BC434478  Allionia incarnata Peter H. Raven 1958-3-15 11849 Riverside Box Canyon Comment
  RSA0027470  Allionia incarnata Deidre Conocchioli, Billy Sale, Naomi S. Fraga 2013-9-25 57 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  RSA692201  Allionia incarnata Scott D. White, Michael Honer 2003-5-14 9302 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA776246  Allionia incarnata Duncan S. Bell 2010-3-20 636 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  RSA780277  Allionia incarnata Stephanie Rockwood, Christi Gabriel 2011-10-12 102 Riverside Unnamed Road heading toward Arica Mountains. Off Blythe/Rice Road. Base of Aricas. 334 Comment
  CAS-BOT-BC131981  Allium haematochiton H. M. Hall 1901-6-1 2096 Riverside In the vicinity of Strawberry Valley 1371 Comment
  RSA395903  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills: Summit of Estelle Mountain Comment
  UCR90396  Allium haematochiton D. L. Banks, Steve Boyd 1995-5-9 385 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  SD136977  Allium lacunosum var. davisiae Steve Boyd, Tim Ross 1992-5-15 7386 Riverside Southern Santa Ana Mts, SE flank of Elsinore Peak at 'Onion Hill', grassy knoll of clay soil ca. Ao mile SE of radio towers, along old Main Divide Rd track. N & W sides of hill in semi-barren scurry zone at contact between grassland & chaparral. 1021 Comment
  UCR193130  Allium lacunosum var. davisiae A. C. Sanders, Tim Thomas 2008-6-20 35532 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR205445  Allium marvinii Jeff B. Galvin, Annie L. Bustamante 2009-5-1 088 Riverside San Jacinto Mountains, foothills, Potrero Canyon, State Dept. of Fish and Game Reserve, adjacent to San Jacinto Wildlife Preserve. Hilltop east of Gilman Springs Road, south of Reserve gate 727 Comment
  RSA680845  Allium munzii Scott D. White, Michael Honer 2003-4-2 8915 Riverside Alberhill area. North of the I-15 Freeway, on and near crest of unnamed mountain, 2349. 671 Comment
  RSA770516  Allium munzii S. Mashayekhi, Steve Boyd, M. Biabani 2008-4-15 SM 012 Riverside East of Elsinore Peak, on clay hill. Comment
  RSA367126  Allium peninsulare var. peninsulare I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside East of Hemet. 640 Comment
  UCR104085  Allophyllum divaricatum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20633 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
  UCR25034  Allophyllum divaricatum A. C. Sanders 1980-7-18 1663 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  UCR65300  Allophyllum glutinosum Steve Boyd, T. S. Ross, K. A. Boyd 1989-6-24 3747 Riverside Peninsular Range, Vail Lake area, along road, near summit of 'Little' Oak Mtn. 628 Comment
  RSA773119  Allophyllum violaceum Duncan S. Bell, Ryan Parker 2010-6-1 1230 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.1 air mile southeast of junction of Highway 74 and forest service road 5S15. 771 Comment
  RSA191450  Amaranthus californicus E. W. Lathrop, Robert F. Thorne 1967-9-26 6666 Riverside 6 miles NW of Murrieta. 610 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
  UCR272652  Amaranthus fimbriatus Sarah J. De Groot, Amy Rouillard 2015-9-15 7556 Riverside Ford Dry Lake, Chuckwalla Valley north of Hwy I-10 107 Comment
  RSA451153  Amaranthus palmeri Stephen M. Beckstrom-Sternberg 1985-9-10 1022 Riverside U.C.R. garden plots. Comment
  SD236158  Amaranthus powellii A. C. Sanders 1999-9-26 23104 Riverside Peninsular Range; San Jacinto Mtns.: Garner Valley, along Hwy 74 at Horse Canyon Rd., toward east end of valley 1448 Comment
  UCR106336  Amaranthus retroflexus John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  SEINET269550 Image available Ambrosia acanthicarpa Scott D. White 1996-9-22 4532 Riverside Lakeview Mountains: north of Homeland along Juniper Flats Road about 1.2 road miles north of intersection with State h 472 Comment
  UCR92766  Ambrosia acanthicarpa F. M. Reed 1933-9-20 8087 Riverside San Jacinto Mtns, Garner Valley 1470 Comment
  RSA703807  Ambrosia dumosa LeRoy Gross 2005-3-3 1602 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SD143584  Ambrosia dumosa R. D. Goeden, D. W. Ricker 1970-5-14 Riverside Coachella Valley, Palm Springs, southwest side of Highway 111, 1.3 miles southeast of Ovcerture Drive at foot of San Jacinto Mountains 274 Comment
  SD5656  Ambrosia dumosa Mary S. Snyder 1895-4-1 Riverside Palm Springs [label uses old name, Palmetto Spring] 274 Comment
Read comments
Jul 8 2010
  UCR228405  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-20 143 Riverside Little San Bernardino Mountains, Hwy 177, north of Desert Center and Desert Lily Sanctuary, east of Joshua Tree National Park border 274 Comment
  UCR34895  Ambrosia dumosa L. B. Ziegler 1973-3-6 495 Riverside San Jacinto Mtns, Desert side of Hwy 74, Carriso [Carrizo] Creek 765 Comment
  RSA0130720  Ambrosia dumosa Glen Rink 2013-3-19 11891 Riverside About twelve west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  POM246586  Ambrosia ilicifolia E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, chuckawalla Mts. Colorado Desert. 366 Comment
  UCR24358  Ambrosia ilicifolia John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 2.5 mi. SE of Desert Center, Chuckwalla Mts. Comment
  UCSB45944  Ambrosia ilicifolia Roos, John 1958-3-15 Riverside 2 1/2 miles S.E. of Desert Center, in the Chuckwalla Mtns. Comment
  CLARK-A1528-1541  Ambrosia psilostachya John C. Roos 1937-8-17 1218 Riverside Hemet Comment
  POM10073  Ambrosia psilostachya Charlotte M. Wilder 1904-7-14 358 Riverside Jurupa Hills, Wilders Canyon. Comment
  UCR232764  Ambrosia pumila John Dvorak, Ana Hernandez 2011-9-7 020 Riverside Perris/Aguanga Basin, north Alberhill, c. 180 m south of the intersection of Lake Street and Temescal Canyon Road, 110 m east of Lake Street 378 Comment
  RSA0008347  Ambrosia pumila Steve Boyd, Timothy S. Ross, David Zippin, Tom Oberbauer 1991-6-14 6331 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  CAS-BOT-BC273028  Ambrosia salsola Munz; Street; Williams 1919-3-25 2321 Riverside Palm Canyon Comment
  RSA739851  Ambrosia salsola J. L. Strother 2008-3-10 1370 Riverside 18km (11miles) W of Chiriaco Summit, along N frontage of I10. 420 Comment
  SFV9294  Ambrosia salsola D. H. Hoover 1968-3-23 68 43A Riverside Colorado Desert Morongo Valley. North of Palm Springs area. Comment
  RSA2823  Amelanchier utahensis Carl B. Wolf 1931-5-11 s.n. Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
Read comments
Jul 20 2016
  UC217996 Image available Amelanchier utahensis P. A. Munz and I. M. Johnston 1922-5-20 5488 Riverside Kenworthy; San Jacinto Mts. 1417 Comment
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Mar 25 2011
  UCR6454  Amelanchier utahensis Art Whistler 1966-5-8 660508- 15 Riverside Peninsular Ranges/ San Jacinto Mountains, downstream from Lake Fulmor, Route 74 1585 Comment
  CLARK-A1528-3212  Ammannia coccinea John C. Roos 1952-5-16 5672 Riverside San Jacinto River 426 Comment
  RSA0089991  Amsinckia douglasiana Severauce 1926-2-20 s.n. Riverside Murray Canyon. Comment
  RSA660549  Amsinckia intermedia Lydia Paneri 1982-4-17 8 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  UC1084562  Amsinckia intermedia Francia Chisaki, Peter M. Ray 1952-4-30 2242 Riverside 0.1 mi e of bridge over wash at base of San Jacinto Mountains (Banning-Idyllwild Road) Comment
  UCR20733  Amsinckia intermedia A. C. Sanders, Steve Boyd 1980-5-2 1398 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA359529  Amsinckia menziesii Steve Boyd 1986-3-9 1392 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  UCR214892  Amsinckia retrorsa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37683 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR241255  Amsinckia retrorsa T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1203 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  UCR275272  Amsinckia retrorsa T. B. Salvato, Gregg Miller 2005-6-7 1492 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  UCR52071  Amsinckia tessellata var. tessellata C. Huebner 1988-4-17 8- 13 Riverside Gavilan Hills, Harford Springs County Park; Gavilan Rd.; 1 mile east of Cajalco Rd. 732 Comment
  POM99024  Amsonia tomentosa var. tomentosa E. C. Jaeger 1926-3-26 s.n. Riverside Cottonwood Springs. Comment
  RSA524422  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4117 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
  RSA776018  Anemone tuberosa Duncan S. Bell 2010-3-20 610 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA640827  Anemopsis californica L. C. Wheeler 1931-4-17 s.n. Riverside Santa Ana River south of Chino. Comment
Read comments
Jun 10 2012
  UC1087746  Angelica tomentosa Peter H. Raven with R. Snow 1957-7-26 11101 Riverside 0.7 mi below Vista Grande Ranger Station (Banning to Idyllwild Road, San Jacinto Mountains); San Jacinto Mountains Comment
  JOTR31993  Anisocoma acaulis La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2223 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  UC1237988  Anisocoma acaulis John Weiler and Roy L. Taylor May 12 1961-May 15 1961 61120 Riverside 100 yds e of bridge over, (feeding Hemet Res. along Hwy 74) Hurkey Creek; Hemet Reservoir Comment
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Mar 24 2011
  UCR112317  Anthemis cotula A. C. Sanders 1998-5-21 21869 Riverside Hemet, alkaline flats west of town, along Stetson Ave. west of Warren Rd. 457 Comment
  SEINET2044246 Image available Antheropeas wallacei A. C. Sanders, Dave Hawks 1986-4-16 Riverside On the ridge above Whitewater Canyon, W of Bonnie Bell. Whitewater UTM, 10kmcell: NH-N5, E3. 915 Comment
  SJSU11491  Antirrhinum coulterianum J. W. Tofflemire 1957-4-19 Riverside Sobobo Indian Reservation by community of San Jacinto Comment
  UCR162269  Antirrhinum coulterianum S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR59528  Antirrhinum coulterianum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3595 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  RSA425813  Antirrhinum filipes R. S. Woglum 1940-3-17 2498 -a Riverside Thousand Palms Canyon (north-central) Comment
  RSA776180  Antirrhinum filipes Amber Swanson 2011-3-20 245 Riverside On Railroad tracks on Summit Rd near the Bradshaw trail 479 Comment
  UCR151363  Antirrhinum kelloggii D. L. Banks 1997-2-23 1335 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  UCR133647  Antirrhinum nuttallianum Michael D. Wilcox 2003-5-13 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA110417  Antirrhinum nuttallianum subsp. nuttallianum Verne Grant 1955-7-13 20964 Riverside On burned chaparral slopes; with Adenostoma, Arctostaphylos, Diplacus; on crest of Santa Ana Range, Ortega summit 1067 Comment
  UCR106859  Apiastrum angustifolium Kathleen Stockwell 1998-3-22 s.n. Riverside Murrieta Hot Springs, Warm Springs Creek, between Hwy 79 and the Hogbacks, south of Los Alamos Rd. and north of Hunter Rd. 400 Comment
  UCR109556  Apium graveolens R. D. Goeden, Don W. Ricker 1978-10-25 s.n. Riverside Temecula Valley, Temecula, Murrieta Creek at Rancho California Road 305 Comment
  CLARK-A1528-1424  Apium leptophyllum John C. Roos 1953-5-9 5917 Riverside Riverside 259 Comment
  POM157898  Apocynum sibiricum P. A. Munz 1927-5-21 10896 Riverside San Carlos Pass, 2 mi S.E. of Ansa. 1372 Comment
  POM48328  Arabis perennans E. C. Jaeger 1925-3-1 s.n Riverside Snow Canyon, San Jacinto Mts. Comment
  POM98010  Arabis pulchra var. gracilis E. C. Jaeger 1926-3-24 s.n Riverside Eagle Mountains. Comment
  RSA608476  Arceuthobium cyanocarpum Louis C. Wheeler 1961-6-21 7899 Riverside San Jacinto Mountains: North side Tahquitz Peak. Comment
  RSA629463  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16812 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  UCR278160  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42668 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Squaw Mountain, Avenida Escala near Hacienda Dr. intersection, 2.35 air km east of Tenaja Guard Station 747 Comment
  UC1120219  Arctostaphylos glandulosa subsp. glandulosa C. Van Fleet 1931-2-18 10 Riverside head of Tenaja Canyon Elsinore Quadrangle Comment
Read comments
Nov 27 2011
  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
  RSA629345  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16863 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  UCR124132  Arctostaphylos glandulosa subsp. leucophylla Steve Boyd, D. E. Bramlet 1988-10-8 2869 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  JOTR16666  Arctostaphylos glauca Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1645 Comment
  POM367319  Arctostaphylos glauca Richard C. Barkelew, Mark Morris 1929-3-10 s.n. Riverside Indian Canyon , San Jacinto Mts Comment
  RSA167724  Arctostaphylos glauca R. F. Thorne 1963-7-26 32817 Riverside Santa Ana Mts., Cleveland National Forest, Trabuco District 305 Comment
  RSA631852  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16604 Riverside Hwy 371 & Burnt Valley Rd. San Jacinto Mtns. 1250 Comment
  SDSU17428  Arctostaphylos glauca C. Matt Guilliams 2007-8-2 394 Riverside Temescal Valley, west of Interstate 15. Along Cleveland National Forest margin in east-west trending ravine, on shaded north-facing slope. Housing development in progress. Ravine near intersection of McVicker Canyon Park Road and Gateway Rd. 630 Comment
  UCR63999  Arctostaphylos glauca Richard Minnich 1990-8-23 s.n. Riverside Lakeview Mtns., off Juniper Springs Road near Juniper Springs 640 Comment
  RSA633589  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22521 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633627  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22662 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633705  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16679 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633759  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22652 Riverside Road to Santa Rosa Mountain. 2000 Comment
  POM367426  Arctostaphylos pringlei subsp. drupacea Douglas Bothwell 1934-5-6 s.n. Riverside Idyllwild, San Jacinto Mts. 1610 Comment
  RSA396112  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  SD233274  Arctostaphylos pungens Scott D. White, Justin M. Wood 2009-5-22 12893 Riverside San Jacinto Mountains: Quinn Flat Meadow. Meadow and adjacent uplands. 1372 Comment
  UCD53745  Arctostaphylos pungens Richard Bates 1949-5-21 s.n. Riverside Along rail to Tahquitz Peak; San Jacinto Mtns. Comment
  UCR193568  Arctostaphylos pungens A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35612 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  RSA636027  Arctostaphylos rainbowensis Jon E. Keeley 1992-4-5 15062 Riverside Rainbow Canyon Rd., 2 km south of Pala Rd. 370 Comment
  SD180723  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 405 Riverside Santa Margarita Ecological Reserve, along A!Highlands TrailA(r) at northern rim of mesa-top. 654 Comment
  SD180724  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 407 Riverside Santa Margarita Ecological Reserve, along A!Highlands TrailA(r) at northern rim of mesa-top. 654 Comment
  UCR209396  Arctostaphylos rainbowensis Fred M. Roberts 2007-4-13 6515 Riverside Santa Ana Mountains, south of Mesa de Colorado on the Santa Rosa Plateau, northwest corner of El Calamar Road and Via Escalon, 1.6 km west-northwest of the summit of Mesa de La Punta 536 Comment
  RSA0043044  Argemone munita Duncan S. Bell, Loraine Washburn 2014-4-8 6580 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1.25 air miles north northeast of Clemens Well/Bradshaw Trail. 356 Comment
  RSA722445  Argemone munita subsp. munita J. R. Bruff 1928-4-3 181 Riverside 13 miles W of Desert Center. Comment
  JEPS68439  Aristida adscensionis W. L. Jepson 1928-4-25 12585 a Riverside Cottonwood Spring Colorado Desert, Eagle Mts. 731 Comment
  RSA385025  Aristida adscensionis L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain, Colorado River Comment
  SEINET192378  Aristida adscensionis I. L. Wiggins 1941-3-27 9676 Riverside South end of Coxcomb Mountains 8 mi northeast of Desert Center. Comment
  UCSB52573  Aristida adscensionis Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon; Whittaker transect #W-217 173 Comment
  UC1922811  Aristida adscensionis Michael Honer with L. Hulse 2005-3-8 2043 Riverside Colorado Desert; Little San Bernardino Mountains region: Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. Comment
  SEINET3918944  Aristida parishii Sears 1977-10-12 S 575 Riverside Corn Spring. Desert Plam Oasis, permenant flowing spring, in wash area up in the mountian slopes of the Chuckwalla Mountains.; 0 549 Comment
  LA206320  Aristida purpurea F. M. Reed; 1906-7-8 1129 Riverside W of Pedley Station on Salt Lake, Vicinity Comment
  RSA750740  Aristida purpurea var. fendleriana Scott D. White, Justin M. Wood 2009-5-22 12907 Riverside Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  RSA129291  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6723 Riverside Head of Deep Canyon. 1220 Comment
  IRVC495  Artemisia ludoviciana subsp. albula R. H. Whittaker, W. A. Niering 1963-5-30 SJ 83 Riverside Chino Canyon; at tramway base. Peninsular Ranges, San Jacinto Mountains 808 Comment
  JEPS49055  Artemisia ludoviciana subsp. albula Lewis S. Rose 1966-12-14 66106 Riverside 3 mi. w. Palm Springs; Chino Canyon 670 Comment
  RSA259194  Artemisia ludoviciana subsp. ludoviciana Philip A. Munz 1938-8-13 15335 Riverside Rocky ridge east of Santa Rosa Peak. 2378 Comment
  UC1782173  Artemisia vulgaris O. F. Clarke 2000-12-9 Riverside O. F. Clarke residence, 266 Frost Court 360 Comment
  SEINET5539659  Asclepias californica H. S. Gentry 1954-1 14257 Riverside Dripping Springs, along Route 79. Comment
  UCR24890  Asclepias californica A. C. Sanders 1981-7-22 01745 Riverside San Jacinto Mtns., Alvin Meadows, 2 mi. (airline) WSW of Idyllwild 1529 Comment
  UCR91900  Asclepias californica A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18122 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1100 Comment
  SBBG58651  Asclepias subulata R. H. Nordhoff 1940-11-10 609 Riverside Thousand Palms Cyn Comment
  UCR241796  Asparagus asparagoides A. C. Sanders 2010-5-29 38428 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place 258 Comment
  RSA667137  Asphodelus fistulosus A. C. Sanders, T. B. Salvato 2001-5-24 24371 Riverside Temecula, Long Canyon area west of Del Rey Rd. along Avenida Buena Suerte. 381 Comment
  CAS-BOT-BC65783  Aspidotis californica Marcus E. Jones 1930-3-5 26519 Riverside Glen Ivy Comment
  POM12825  Aster alpigenus Philip A. Munz 1922-9-6 6391 Riverside Round Valley, San Jacinto Mts. 2744 Comment
  RSA160569  Aster subspicatus J. D. Olmsted 1959-9-23 1017 Riverside San Jacinto River crossing by Lakeview Rd. from US 395 NW of Lakeview Mts 427 Comment
  UC69321  Astragalus aridus L. A. Greata April 1905 Riverside Coachella Comment
  CAS-BOT-BC177722  Astragalus crotalariae Annie M. Alexander; Louise Kellogg 1941-3-2 1881 Riverside Roadside 5 miles south of Valerie Comment
  CAS-BOT-BC177730  Astragalus crotalariae Louis C. Wheeler 1931-11-27 385 Riverside 3 mi. SE Salton BM, Colorado Desert -70 Comment
  JEPS48853  Astragalus crotalariae Marjorie D. Clary 1932-3-25 953 Riverside Conchilla Desert Comment
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Sep 14 2011
  UCD104705  Astragalus didymocarpus Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-1 3185 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 487 Comment
  UCR49257  Astragalus didymocarpus var. obispoensis Steve Boyd 1986-4-2 1624 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA415493  Astragalus douglasii Christopher Davidson 1978-6-15 7394 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  UCR155056  Astragalus douglasii Jason L. Hlebakos 2005-5-30 816 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
  UC421664  Astragalus lentiginosus var. coachellae John Thomas Howell 1928-3-11 3439 Riverside 6 mi se Garnet Station (Colorado Desert); , se of Garnet Station Comment
  UC862841  Astragalus lentiginosus var. variabilis C. L. Hitchcock 1940-4-4 5958 Riverside Pinto Basin Pinto Basin (sandy wash) Comment
  UCR186855  Astragalus lentiginosus var. variabilis Naomi Fraga, Et al. 2005-3-30 1541 Riverside Sonoran (Colorado) Desert/Mojave Transition, dunes in the southern portion of the Pinto Basin. Joshua Tree National Park 549 Comment
  RSA776840  Astragalus nuttallianus var. austrinus Amber Swanson, Duncan S. Bell 2011-3-18 225 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  JOTR33736  Astragalus nuttallianus var. imperfectus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2732 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  RSA415663  Astragalus pomonensis G. R. Johnstone 1925-04 s.n Riverside Citrus Experiment Station. Comment
  RSA779946  Astragalus tricarinatus Duncan S. Bell, Jennifer Pilapil 2011-5-19 2476 Riverside A small side canyon off of Mission Creek canyon approximately 3.5 air miles up canyon from the junction of Highway 62 and Mission Creek Road; just northwest of gaging station. 795 Comment
  UCR37629  Astragalus tricarinatus George K. Helmkamp 1984-5-5 E 5 Riverside Transverse Range, Little San Bernardino Mountains, Big Morongo Canyon, 4 road miles below the caretaker's house at the Big Morongo Preserve 549 Comment
  UCR129824  Athyrium filix-femina I. W. Clokey, E. G. Anderson 1935-8-21 6504 Riverside San Jacinto Mtns., Fuller's Creek 1585 Comment
  CAS-BOT-BC66099  Athyrium filix-femina var. cyclosorum G. B. Grant 1901-8-1 4514 Riverside Strawberry Val. S. Jacinto Mts. Comment
  RSA673636  Athysanus pusillus Scott D. White, Tasha La Doux 2000-4-20 7706 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR239804  Athysanus pusillus O. F. Clarke 2004-3-28 s.n. Riverside Peninsular Range, Box Springs Mtns., east of Riverside and NW of Moreno Valley; off Quail Call Dr. 610 Comment
  JOTR34391  Atrichoseris platyphylla Andre, Jim 2012-4-16 20918 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  UCR92484  Atrichoseris platyphylla George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  POM202637  Atriplex canescens var. laciniata W. M. Ingram 1934-10 8 Riverside Salton. -61 Comment
  POM278955  Atriplex canescens var. linearis Grant D. Brown 1951-3-28 615 Riverside Date Palm Beach Comment
  SJSU5681  Atriplex canescens var. linearis Lewis S. Rose 1966-12-11 66096 Riverside Palm Springs 152 Comment
  CLARK-A1528-2546  Atriplex coronata var. notatior John C. Roos 1965-6-30 Riverside Perris Comment
  UCR63943  Atriplex coronata var. notatior D. E. Bramlet, A. Parikh 1990-6-14 2036 Riverside San Jacinto Valley, 6.5 km west of Hemet, c. 600 m SW of the intersection of Warren Ave and Florida Street, and 0-50 m east of the MWD 'San Diego Canal 457 Comment
  RSA92585  Atriplex coronata var. notatior J. C. Roos 1952-5-14 5668 Riverside San Jacinto river bottomlands 1 miles southeast of Perris. 426 Comment
  UCR63944  Atriplex davidsonii D. E. Bramlet, A. Parikh 1990-6-14 2035 Riverside San Jacinto Valley, 6.5 km west of Hemet, c. 600 m SW of the intersection of Warren Ave and Florida Street, and 0-50 m east of the MWD 'San Diego Canal 457 Comment
  RSA517251  Atriplex hymenelytra Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1321 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. 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
  POM248406  Atriplex lentiformis Philip Crow 1939-7-10 s.n. Riverside Blythe Comment
  RSA696719  Atriplex lentiformis Anonymous s.n. Riverside Colorado Desert. Comment
  SD123921  Atriplex lentiformis subsp. lentiformis Barry A. Prigge 1980-9-17 4057 Riverside Coachella Valley stormwater channel; east of Munroe St., Indio. Comment
  RSA13577  Atriplex linearis W. M. Ingram 1934-10 s.n. Riverside Edom Comment
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Dec 11 2011
  CLARK-A1528-2549  Atriplex polycarpa John C. Roos 1943-12-19 2763 Riverside Mecca Hills Comment
  RSA33312  Atriplex serenana N. C. Cooper 1943-10-9 957 Riverside Hemet. 304 Comment
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Apr 29 2011
  RSA628489  Atriplex serenana A. C. Sanders, K. C. Rose 1999-7-18 22815 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave. near Dawson Rd. 451 Comment
  RSA532583  Atriplex serenana var. davidsonii D. Bramlet 1991-6-1 2179 Riverside 3 km W of Nuevo and some 20 m E of the San Jacinto River; some 300 m S of the end of 11th Street, just E of an existing dirt road. 473 Comment
  UCR23926  Avena barbata John C. Roos, L. Roos 1950-4-15 4738 Riverside Peninsular Range, Box Springs Mtns., Pigeon Pass 457 Comment
  SEINET6188286 Image available Avena barbata Orlando Mistretta, D. Bell, J. Beckman, J. England, K. Kane, J. Hall, C. McDonald, L. Reccia, L. Rodriguez, A. Sall, T. Tennant. 2010-1 4467 Riverside Transversa Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 488 Comment
  SEINET954737  Avena fatua A. C. Sanders, Tyricia Wotipka, Mark A. 2003-1 26142 Riverside Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  RSA0121599  Ayenia compacta Duncan S. Bell, LeRoy Gross 2016-3-29 9103 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon just off of Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 625 Comment
  UC527184  Baccharis brachyphylla Carl B. Wolf 1932-10-11 Riverside 3/10 mi below the San Bernardino County line Morongo Wash 670 Comment
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Feb 10 2013
  UCR264222  Baccharis brachyphylla A. C. Sanders 2015-9-11 41870 Riverside Sonoran (Colorado) Desert, Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  SBBG7728  Baccharis salicifolia H. and M. Dearing 1940-11-10 5011 Riverside Whitewater Comment
  UC893720  Baccharis salicifolia subsp. salicifolia C. L. Hitchcock 1940-4-12 6048 Riverside 8 mi nw Elsinore 457 Comment
  RSA0021682  Baccharis sarothroides Duncan S. Bell 2013-10-30 s.n. Riverside Arica Mountains; east side of range; western section of Rice Valley, about 6 air miles southeast of the ghost town of Rice. 211 Comment
  UC1010322  Baccharis sarothroides John and Lucille Roos 1950-10-28 5021 Riverside near Box Springs 472 Comment
  POM248434  Baccharis sergiloides Philip Crow 1939-7-2 s.n. Riverside Blythe Comment
  UCR207615  Baccharis sergiloides O. F. Clarke 2003-9-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR245792  Baccharis sergiloides A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40954 Riverside Peninsular Range, Wilson Valley Preserve, 0.35 air mi. south of Wilson Valley Rd. and 0.8 mi. east of Sage Rd., 1.4 mi. east (93 deg. ) of Round Top Mountain 739 Comment
  UCR89659  Baccharis sergiloides Bern Schwenn 1994-2-13 s.n. Riverside Colorado Desert/Santa Rosa Mtns., Santa Rosa Mtns, west fork Agua Alta Canyon. 657 Comment
  RSA346254  Bahiopsis parishii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54062 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  SBBG65721  Baileya pauciradiata M. N. Ackley -Feb-1926 267 Riverside near Edom 64 Comment
  UC1035183  Baileya pauciradiata John Ingram, Howard Arnott and Francia Chisaki 1955-4-18 631 Riverside 5.6 mi se of turn-off to 1000 Palms on Hwy 60 Comment
  CDA10407  Baileya pleniradiata G. D. Barbe, T. C. Fuller 1973-2-28 1064 Riverside I-10 exit at road to Wiley s Well, west of Blythe. 0 Comment
  HSC101253  Baileya pleniradiata Jim Andre 2012-3-19 21360 Riverside Palen Valley; along Palen Pass Rd. (dirt), 1.2 mi. east of Hwy 177. 184 Comment
  UCR244309  Baileya pleniradiata Jim Andre 2012-4-15 20851 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
  UCR167787  Bassia hyssopifolia T. B. Salvato, Gregg Miller 2005-6-3 1387 Riverside Peninsular Range: Perris-Aguanga Basin, tributary of the San Jacinto River, c. 3 mi SW of Perris, 1.5 mi east of the Good Hope Mine and less than 0.25 mi south of Ethanac Road 433 Comment
  UCR229499  Bassia hyssopifolia Jeremiah George 2011-8-3 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore, north end of Pasadena Ave., SE of Hwy 74/Riverside Dr. 386 Comment
  UCR59811  Bassia hyssopifolia Jeri Hirshberg 1989-7-27 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, E end of Vail Lake, above shoreline in drainage above 'draw down' area Comment
  CLARK-A1528-1647  Bebbia juncea John C. Roos 1951-10-19 5329 Riverside San Jacinto Valley 457 Comment
  SEINET2047507 Image available Bebbia juncea Grace Sprague 1968-5-3 Riverside White Water Canyon Wash Comment
  CAS-BOT-BC100125  Bebbia juncea var. aspera Geo. B. Grant 1906-4-20 6730 Riverside Palm Springs Comment
  JEPS49062  Bebbia juncea var. aspera Lewis S. Rose 1966-12-14 66111 Riverside 3 mi w Palm Springs; Chino Canyon 670 Comment
  RSA0088483  Bebbia juncea var. aspera Robert Vargas 2016-4-9 21 Riverside LA basin, White water canyon reserve. 536 Comment
  UC68958  Bebbia juncea var. aspera H. M. Hall 1905-5-2 5969 Riverside Colorado Desert, Chuckawalla Mts. Comment
  CLARK-A1656-657  Beloperone californica Lois Ann Scott 1978-4-21 Riverside San Jacinto Mountains 152 Comment
  CSUSB4  Beloperone californica Wayne White 1975-5-10 s.n. Riverside Chuckwalla Mountains On Highway I-10 near Red Cloud Rd. Colorado Desert; Chuckwalla Mountains. 771 Comment
  HSC80236  Beta vulgaris Steve Boyd 1985-8-7 1119 Riverside Murrieta area, Clinton Kieth Rd., just E of the Bear Creek development golf course. Comment
  UC64498  Beta vulgaris H. M. Hall June, 1901 2004 Riverside San Jacinto Valley Comment
  UCR40449  Beta vulgaris subsp. maritima Steve Boyd 1985-8-7 1119 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  SDSU11523  Bloomeria crocea H. Wedberg 1962-5-23 937 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita river and Temecula Canyon. 366 Comment
  UC1563102  Boechera californica Steve Boyd, Tim Ross, and Laurel Arnseth 1989-5-7 3568 Riverside along Arroyo Seco drainage from jct with Kolb Creek, s to within 0.25 mi of Hwy 79 Vail Lake Area 457 Comment
  RSA0107274  Boechera johnstonii John F. Emmel 2001-4-28 1699 Riverside San Jacinto Mts.; Garner Valley; NE-facing slope 0.2 air mile S of trailhead parking area for Ramona Trail. 1377 Comment
  UCR159898  Boerhavia coccinea Scott D. White 1999-4-20 7276 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
  UCR215584  Boerhavia coccinea Tasha La Doux, Jim Andre 2008-9-16 338 Riverside Mojave Desert, Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground 934 Comment
  RSA339328  Boerhavia intermedia Robert F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-22 53572 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains. 1098 Comment
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Apr 25 2011
  SBBG93063  Boerhavia intermedia A. C. Sanders 1989-9-19 9511 Riverside 1.75 km (airline) S of Tabaseca Tank, along the wash above "Tabaseca Target"; Chocolate Mtns Aerial Gunnery Range, 680 Comment
  RSA751512  Boerhavia triquetra Jim Andre, Tasha La Doux 2008-9-13 10264 Riverside Cuckwalla Valley: Along Hwy 177 (NW side), SE end of Coxcomb Mts. E boundary of Joshua Tree National Park 161 Comment
  JOTR32598  Boerhavia triquetra var. intermedia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2665 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  CLARK-A1528-3272  Boerhavia wrightii John C. Roos 1937-8-20 Riverside Desert Center Comment
  SD249240  Boerhavia wrightii Duncan S. Bell, Evan Meyer 2014-10-22 7653 A Riverside Orocopia Mountains; southwestern section of range; collecting in an unnamed canyon to the southeast of Orocopia Canyon; c;a. 3.6 air miles northnortheast of Dos Palmas. 404 Comment
  RSA192349  Boisduvalia densiflora H. A. Zuill 1966-7-7 277 Riverside About 3 miles SW of Murrieta- near junction to Santa Rosa Ranch. Comment
  CLARK-A1528-5364  Boisduvalia glabella John C. Roos 1952-5-14 5662 Riverside Edgemont 487 Comment
  CLARK-A1528-4503  Bouteloua aristidoides John C. Roos 1963-10-23 Riverside Chuckwalla Valley Comment
  UCR242652  Bouteloua aristidoides A. C. Sanders, T. B. Salvato 2012-10-12 40437 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, along Bradshaw Trail c. 2 miles west of 30th Ave. at Ludy Blvd./ canal crossing 114 Comment
  CLARK-A1656-822  Brandegea bigelovii Theo Glenn 1983-1-22 Riverside San Jacinto Mountains 304 Comment
  JOTR31887  Brandegea bigelovii La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2138 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Rockhouse Canyon; steep-walled canyon and sandy wash along an old road Comment
  RSA394245  Brandegea bigelovii M. B. Dunkle 1934-2-25 3847 Riverside Cathedral Canyon. Colorado Desert. 152 Comment
  RSA55094  Brandegea bigelovii R. H. Peebles 1930-4-6 121 Riverside Shavers Well. Comment
  UCR126936  Brassica geniculata Julie A. Greene 1993-5-12 1321 Riverside San Jacinto Valley, San Jacinto Wildlife Area, SE end of visitor center road, east of Davis Road 436 Comment
  CAS-BOT-BC36849  Brassica tournefortii Ira L. Wiggins; Dorothy B. Wiggins 1966-2-22 20462 Riverside Along Highway 60, about 1.5 mile southeast of Garnet Hill. Comment
  RSA155554  Brassica tournefortii L. S. Rose 1962-3-2 62006 Riverside La Quinta 3 Comment
  RSA346262  Brassica tournefortii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54045 Riverside Along Whitewater River, E of bridge and levee Comment
  RSA357782  Brassica tournefortii R. F. Thorne, M. Z. Thorne 1973-3-30 42671 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA782082  Brassica tournefortii Duncan S. Bell 2009-3-9 123 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  UCR239805  Brassica tournefortii O. F. Clarke 2004-2-25 s.n. Riverside San Bernardino Valley Region, Box Springs Mountains, Two Trees Canyon 412 Comment
  POM13296  Brickellia californica E. C. Jaeger 1921-10-9 119 Riverside Tacquitz Canyon, Palm Springs. Comment
  POM229413  Brickellia desertorum Noel Wallace 1937-1 45 Riverside Indian Canyon, Box Springs Mts. Comment
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Sep 7 2011
  JOTR01241  Brickellia incana Cole, James E. 1941-6-14 885 Riverside Joshua Tree National Park. QUAIL WASH 1066 Comment
  RSA234087  Brodiaea filifolia Robert F. Thorne, E. Lathrop 1969-6-6 39323 Riverside Rancho, Mesa de Colorado 625 Comment
  UC843569  Brodiaea filifolia P. A. Munz and I. M. Johnston 1922-5-19 5412 Riverside 1 mi E of Perris 441 Comment
  UCR23233  Brodiaea terrestris subsp. kernensis Melody Lardner 1981-5-31 195 Riverside Santa Ana Mtns, Tenaja Rd., 2.5 mi from the corner of Calle Collina Rd. and Tenaja Rd., 0.5 mi east of Squaw Mtn 610 Comment
  UCR23234  Brodiaea terrestris subsp. terrestris P. Tomlinson 1981-5-24 0035 Riverside Peninsular range; Santa Ana Mtns., Mesa Colorado, c. 1 mi south of Tenaja Rd. and 3 mi east of Squaw Mtn. 652 Comment
  RSA660930  Bromus arizonicus A. C. Sanders 1998-3-17 21748 Riverside open fields at NE edge of UCR campus, E of A & I dorms and S of Watkins Dr. 335 Comment
  UCR263484  Bromus berteroanus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41451 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  CAS-BOT-BC149308  Bromus carinatus var. carinatus Ralph Hoffman 1929-9-11 s.n. Riverside Mount San Jacinto. 1645 Comment
  SEINET260200 Image available Bromus ciliatus M. Curto, L Allen 1990-8-23 693 Riverside San Bernardino National Forest ; Santa Rosa Mts, Toro Pk, N slope, Santa Rosa Mt Rd (SBNF 7S02) ca 2km E of Toro CG 1890 Comment
  RSA522269  Bromus diandrus Steve Boyd, D. E. Bramlet, Harry Spilman 1989-4-30 3515 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  UCSB501  Bromus diandrus Van Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon, 3 mi from US 60 Comment
  UCR2232  Bromus hordeaceus F. M. Reed 1906-5-31 970 Riverside Riverside, on Sedgwick Street in a little arroyo 274 Comment
  RSA595314  Bromus hordeaceus D. L. Banks, Victor Steinmann 1996-4-20 886 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony;, approximately 100 m S from its junction with Hwy. 79. Area just north of Sec.19. 484 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
  JOTR34019  Bromus madritensis subsp. rubens La Doux, Tasha, M. Harding 2010-4-7 2906 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UCR110939  Bromus marginatus George K. Helmkamp 1998-6-27 4118 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  SDSU12913  Bromus rubens Jutta Buschbom 1991-5-1 5 Riverside SE slope, N border of the Reserve, beyond and Avacado grove ca. 500 m (15 min) from the fieldstation Santa Margarita Ecological Reserve, Temecula Comment
  UCR137501  Bromus tectorum D. L. Banks, V. W. Steinmann 1997-3-13 1489 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
  RSA595267  Bromus tectorum D. L. Banks, Dylan Hannon 1996-5-3 979 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  UC816450  Bromus trinii C. L. Hitchcock 1940-4-2 5924 Riverside Joshua Tree National Monument, Cotttonwood Spring wash Joshua Tree National Monument; , Cotttonwood Spring wash Comment
  UCR214137  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37717 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.45 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 418 Comment
  CHSC851  Caesalpinia virgata M. Anthony 1954-4-15 Riverside Canyon east of Mecca. 152 Comment
  JOTR31771  Caesalpinia virgata Andre, Jim, Tasha La Doux 2009-3-10 11238 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
  JOTR31864  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
  RSA405288  Caesalpinia virgata N. C. Cooper 1949-4-8 3245 Riverside Mecca Pass east of Indio. 548 Comment
  RSA595539  Caesalpinia virgata Alan Prather, Alice Hempel 1993-5-16 s.n Riverside Along I-10, 20.1 km E of Coachella, at the rest stop for the westbound lanes. 400 Comment
  RSA80969  Caesalpinia virgata G. R. Campbell 1952-4-6 18418 Riverside Box Canyon, road leading from Hwy 60-70 to Salton Sea. 457 Comment
  UCR158771  Caesalpinia virgata Lyman Benson, Robert Benson 1952-4-8 14858 Riverside Sonoran (Colorado) Desert, 2 mi. west of Shaver Summit [Chiriaco Summit] east of Indio, U.S. Hwy 66 518 Comment
  UCR216677  Caesalpinia virgata Jim Andre, T. La Doux 2009-3-10 11238 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
  UCR178838  Calandrinia ciliata T. B. Salvato, Jeffrey Ross, B. G. Pitzer 1998-3-25 MOR- 1037 A Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon, 0.2 mi. east of N-S Potrero Canyon Rd. on dirt road to Corral Canyon, junction at Bench Mark 3054', Tree Stand P-08 930 Comment
  UCSB9236  Calocedrus decurrens Wilson, Richard 1958-5-17 Riverside 15 miles SE of Banning on State 14 Lower Montane Community 1524 Comment
  UC729899  Calochortus invenustus Carl B. Wolf 1932-8-5 Riverside on trail from Tahquitz Valley to San Jacinto Peak (fork of Tahquitz Creek); San Jacinto Mts., Tahquitz Creek 2743 Comment
  RSA369046  Calochortus palmeri var. munzii N. C. Cooper 1949-6-29 4315 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  UCR130220  Calochortus palmeri var. palmeri George K. Helmkamp, E. A. Helmkamp 1998-6-27 4083 Riverside Santa Rosa Mountains., Santa Rosa Mountain Road, 3.3 mi south of Calif. Hwy 74 1601 Comment
  SBBG22940  Calochortus plummerae H. and M. Dearing 1940-6-9 4362 Riverside E of Hemet Comment
  UCR217531  Calochortus plummerae Diane Menuz 2008-6-18 464 Riverside Peninsular Range: San Jacinto Mts., Rouse Ridge, c. 2.15 km east of Hwy. 74, along Rouse Hill Rd. 956 Comment
  UCR139161  Calochortus splendens S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  UCR167860  Calochortus splendens T. B. Salvato, John F. Green 2004-5-27 651 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  CAS-BOT-BC483504  Calochortus splendens Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  UCR78440  Calycadenia tenella Scott D. White 1993-4-20 1210 Riverside Estelle Peak, Gavilan Hills 826 Comment
  RSA543877  Calycoseris parryi Steve Boyd 1991-5-13 6243 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
  RSA757793  Calycoseris parryi LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4294 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  POM307226  Calycoseris wrightii Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1995 Riverside 50 miles N of Blythe Comment
  UC68981  Calycoseris wrightii H. M. Hall 1905-4-1 5872 Riverside Chuckawalla Bench Colorado Desert, Chuckawalla Bench Comment
  UCR85166  Calycoseris wrightii A. C. Sanders, G. K. Helmkamp, Pam MacKay 1995-3-12 16086 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  SEINET214666  Calyptridium monandrum N. H. Holmgren, PK Holmgren; R. E. Kern 1973-3-23 6483 Riverside At S entrance to Joshua Tree Nat'l Monument near Interstate 10 24 mi E of Indio 549 Comment
  UC7750  Calyptridium monandrum H. M. Hall June, 1901 2050 Riverside vicinity of Chalk Hill; San Jacinto Mountains 1402 Comment
  UCR231811  Calyptridium monandrum Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 05 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  SEINET998494  Calystegia macrostegia A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-1 32520 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. (Murrieta 7.5' Q) 579 Comment
  RSA18953  Calystegia macrostegia subsp. intermedia Roxana S. Ferris, Ruth P. Rossbach 1938-5-20 9664 Riverside Foot of grade, State Highway #74, along San Jacinto River. Comment
  CLARK-A1528-419  Calystegia macrostegia subsp. longiloba Brian L. Estes 1961-3-25 O 60 Riverside Riverside Comment
  RSA394916  Calystegia macrostegia subsp. tenuifolia M. B. Dunkle 1934-3-18 3853 Riverside W. of Shaver's Well. 91 Comment
  UC1123622  Calystegia macrostegia subsp. tenuifolia R. St. John 1931-1-29 179 Riverside Elsinore , Plot 52 (Plot 52) Comment
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Nov 25 2010
  UC1184252  Camissonia T. Mosquin 1958-2-22 3208 Riverside Corn Spring Chuckawalla Mountains Comment
  UCR148848  Camissonia bistorta Chet McGaugh 2005-1-6 s.n. Riverside Peninsular Range, east of Lake Skinner, between Calle Jojoba and Cielita, SE of Tucalota Hills and of Benton Rd. 549 Comment
  UCR166170  Camissonia bistorta John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  RSA90987  Camissonia bistorta E. C. Jaeger 1925-12-22 s.n. Riverside Aguanga Comment
  RSA162862  Camissonia brevipes John Olmsted 1958-3-30 90 Riverside Dry wash in first hills N of Southern entrance to Joshua Tree National Monument on Cottonwood Pass road with southern drainage toward Salton sea. 838 Comment
  RSA466019  Camissonia brevipes subsp. brevipes Christopher Davidson 1977-5-26 5685 b Riverside Eastern Mojave Desert, Clark Mountains. Pachalka Spring, limestone hillside. 1524 Comment
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Nov 30 2014
  JOTR29607  Camissonia californica Andre, Jim 2006-4-26 6744 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  UCR120929  Camissonia californica A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24928 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR226584  Camissonia californica Jim Andre 2011-2-18 15816 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  NY679520  Camissonia cheiranthifolia N. D. Atwood 1993-3-27 17699 Riverside Corona del Mar State Park along Newport Coast Drive. 0 Comment
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Jul 14 2012
  POM201060  Camissonia claviformis subsp. aurantiaca Carl B. Wolf 1932-5-25 3682 Riverside San Gorgonio Wash, on road to Snow Creek 366 Comment
  RSA135302  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-2-16 11626 Riverside Just west of Blythe Air Field. Comment
  RSA278959  Camissonia claviformis subsp. aurantiaca Barry A. Prigge, L. Martinez 1978-3-23 2402 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 244 Comment
  RSA676148  Camissonia claviformis subsp. aurantiaca Scott D. White 2001-4-12 8313 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
  UCR274854  Camissonia claviformis subsp. aurantiaca Aaron C. Sedgwick, David Fraker 2012-4-24 005 Riverside Sonoran (Colorado) Desert, Palen Valley south of Hwy I-10 on Dupont Road, c. 2 miles northeast of the Chuckwalla Mountains Wilderness Area 183 Comment
  SEINET12188402  Camissonia dentata H. M. Hall 2917 Riverside Vicinity of Winchester 457 Comment
  RSA586916  Camissonia hirtella D. L. Banks, Steve D. Boyd 1995-5-3 260 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA652359  Camissonia hirtella Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
  RSA715188  Camissonia hirtella S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains: powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain. 1189 Comment
  RSA449008  Camissonia ignota H. Twining 1888-08 s.n. Riverside Rincon. Comment
  RSA114436  Camissonia strigulosa H. L. Wedberg 1957-5-12 s.n. Riverside Vandeventer Flat. Roadside. Comment
  UC1602314  Camissonia strigulosa Alderson 463 Riverside Comment
  SD254656  Camissoniopsis hirtella Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 342 Riverside Peninsular Ranges; San Jacinto Mountains: Just down Mt Edna Road W off of CA Hwy 243 (Cabazon 7.5'Q) 1146 Comment
  RSA0014943  Camissoniopsis intermedia LeRoy Gross, Evan Meyer 2013-5-21 6116 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  UC1931141  Camissoniopsis intermedia Scott D. White, Justin Wood 2008-6-18 12208 Riverside San Jacinto Mountains: K Flat Meadow. (Idyllwild) Comment
  UC1122272  Camissoniopsis pallida subsp. pallida H. S. Yates 1937-3-23 6401 Riverside 2 mi n Palm Springs; San Jacinto Quadrangle Comment
  CLARK-A1528-350  Capsella bursa-pastoris Joe Buriel 1966-2-26 Riverside Lake Matthews 457 Comment
  UC837260  Carex P. A. Munz 1922-7-6 6040 Riverside summit San Jacinto Peak 3291 Comment
  UCR193880  Carex A. C. Sanders 2008-7-25 35883 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  CAS-BOT-BC17705  Carex alma Philip Alexander Munz 1938-8-14 15341 Riverside Virgin Spring, near Santa Rosa Peak. 2286 Comment
  RSA754127  Carex fracta W. Schlegel, Andrew Troutte 2008-8-8 5 Riverside Idyllwild: Dry creek bed. Comment
  CAS-BOT-BC21917  Carex heteroneura A. Davidson 189 s.n. Riverside San Jacinta Mountains. Comment
  RSA741222  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-5 12089 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  RSA769172  Carex sartwelliana P. F. Zika, Nick Otting 2010-8-6 25299 Riverside North Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Bernardino National Forest, San Jacinto Mountains 1910 Comment
  UC837101  Carex subfusca P. A. Munz 1922-6-24 5801 Riverside Pipe Creek San Jacinto Mts. 1584 Comment
  SD181802  Carex triquetra Scott D. White, Sandy Leatherman 2000-5-31 7974 Riverside Santa Ana Mountains/ Santa Rosa Plateau: Near Squaw Mountain. 640 Comment
  CLARK-A1528-1691  Carthamus tinctorius John C. Roos 1965-7-7 Riverside Beaumont Comment
  RSA82229  Castilleja affinis F. W. Peirson 1929-5-4 8338 Riverside Mostly about bushes on low hill about 2 miles south of summit of St. Johns Grade south of Hemet. 701 Comment
  UCR172254  Castilleja affinis John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  POM184739  Castilleja angustifolia C. Leo Hitchcock 1932-4-9 12225 Riverside White tanks, eastern Riverside. Comment
  JOTR33746  Castilleja chromosa La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2744 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA793014  Castilleja exserta Justin M. Wood 2011-4-4 3402 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  RSA0080320  Castilleja exserta subsp. exserta Sarah J. De Groot, Cheryl Sevilla 2015-2-18 7360 Riverside North fork Mission Creek, southeast San Bernardino Mountains, northwest of Desert Hot Springs. 780 Comment
  SDSU12881  Castilleja exserta subsp. exserta J. Jill Steinberg with Leon Steinberg 1998-4-5 39 Riverside North side of foot trail approximately 1/2 mile north east of Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 351 Comment
  RSA400583  Castilleja foliolosa Robert Gustafson 1980-5-5 1560 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  RSA524401  Castilleja foliolosa Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4096 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
  RSA588664  Castilleja minor subsp. spiralis D. L. Banks, Steve D. Boyd 1995-10-17 821 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground. Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UC885440  Castilleja minor subsp. spiralis Crawford and Johnston 1917-6-9 1222 Riverside near Corona; Santa Ana River Comment
  CAS-BOT-BC40269  Caulanthus lasiophyllus P. A. Munz; L. F. Street 1919-5-7 2739 Riverside Tahquitz Canyon. 228 Comment
  IRVC26891  Ceanothus crassifolius C. B. Wolf 1932-2-11 2648 Riverside Hidden [Tin Mine] Canyon, 5 mi. W of Corona, base of Skyline Drive. Santa Ana Mtns 405 Comment
  LA41978  Ceanothus crassifolius W. E. Pequegnat; 1939-4-8 34 Riverside Santa Ana Mts Comment
  RSA398877  Ceanothus crassifolius D. A. Young 1969-3-15 383 Riverside 5 mi. S. of Elsinore on the Ortega Hiway. 655 Comment
  RSA717671  Ceanothus crassifolius A. C. Sanders 2004-2-6 27387 Riverside Foothills at edge of Temescal Valley, intact ridge at a development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  UC1071019  Ceanothus crassifolius R. St. John 1930-4-14 113 Riverside w Paloma Valley (plot No. 46); San Jacinto quad 487 Comment
  RSA399034  Ceanothus cuneatus Elbert Benjamine 1929-5-18 2028 Riverside Mt. San Jacinto. 915 Comment
  UCR132921  Ceanothus greggii John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UC774865  Ceanothus integerrimus Carl B. Wolf 1941-8-15 11155 Riverside n side and 1/2 mi from summit Santiago Peak; Santa Ana Mts. Comment
  UCR201659  Ceanothus integerrimus Scott D. White, Justin M. Wood 2008-6-5 12059 Riverside San Jacinto Mountains, Hwy 243 near Poppet Flats 1305 Comment
  RSA0036811  Ceanothus leucodermis Bob Rogers 1984-5-5 31 Riverside Along a trail bordering the West side of Fuller Mill Creek heading upstream. Starting point was on the North side of Hwy 243, 11.6 miles from Hwy 74/Hwy 243 jctn. 1524 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
  SD138815  Ceanothus ophiochilus Craig Reiser 1993-5-17 Riverside Agua Tibia Wilderness Area, south of Woodchuck Campground and Highway 79 Comment
  UCR68476  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3097 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  RSA761894  Ceanothus palmeri Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 707 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SD229240  Ceanothus palmeri Dick Schwenkmeyer 2012-4-18 703 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
  CAS-BOT-BC51920  Ceanothus perplexans Vernon Bailey 1907-9-19 1286 Riverside Beaumont, (4 miles South) Comment
  UCR121312  Ceanothus perplexans A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25006 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  LA102309  Ceanothus tomentosus John C. Roos; 1950-5-6 4785 Riverside Santa Ana Mountains, at the head of Hagador Canyon, S of Corona Comment
  CAS-BOT-BC277184  Centaurea X pouzinii John Thomas Howell 1952-10-24 28864 Riverside Fuller Ranch near Corona Comment
  SFV20159  Centaurium venustum J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .6 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  SD122987  Centromadia pungens subsp. laevis Steve Boyd 1985-8-7 1114 Riverside Murrieta area, Clinton Keith Rd., just east of the Bear Creek development golf course (mak 10/07) Comment
  UCR253358  Centromadia pungens subsp. laevis Ana Hernandez, Karyn L. Drennen 2013-5-7 045 Riverside Perris Aguanga Basin, Salt Creek, 75 meters south of Olive Avenue, 50 meters east of Rice Road 438 Comment
  JOTR30967  Centrostegia thurberi La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1942 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UCR273111  Cerastium glomeratum Mitch Provance 2001-4-21 17013 Riverside San Bernardino Valley, Jurupa Mountains, Jurupa Valley, Sunnyslope area, E of Sierra Ave, N of Lauren Ln., at SW base of 'Noname Mtn. 320 Comment
  CSUSB928  Cercidium floridum Steve G. Nelson 1974-4-13 Riverside Deep Canyon, found near gate to Deep Canyon Reserve in a gravelly wash 152 Comment
  RSA30514  Cercidium floridum B. D. Stark 1928-11-4 467 Riverside Hidden Springs Canyon 30 Comment
  CSUSB1862  Cercocarpus betuloides A. H. Wheeler 1974-7-22 Riverside San Jacinto Mountains Palms To Pines Highway- Juniper Flats 1219 Comment
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Dec 4 2011
  OBI74591  Cercocarpus betuloides David J. Keil 1983-4-15 16905 Riverside E of Temecula on SR79 Comment
  RSA597527  Cercocarpus betuloides Louis C. Wheeler 1960-5-9 7690 Riverside Santa Rosa Mountains. Garnet Queen Mine. Comment
  JOTR30647  Cercocarpus betuloides var. betuloides La Doux, Tasha, Erin Babich 2008-4-21 1807 Riverside Joshua Tree National Park. Stop 4-Little San Bernardino Mountains, Upper East Deception Canyon 1233 Comment
  CSUSB1368  Cercocarpus minutiflorus Oscar F. Clarke, Andrew C. Sanders, D. Vossler 1975-7-23 Riverside Santa Ana Mountains Santa Ana Mountains, west of Murrieta on the side of a canyon along Tenaja Road, at elevation 1800 feet (just below Mesa De Burro). 548 Comment
  HSC47359  Cercocarpus montanus var. glaber Richard Spjut, C. E. Edson 1978-4-24 4952 Riverside Along Hwy. 74, 3 mi. from jct. with Hwy. 71 in San Jacinto Mtns. 915 Comment
  RSA674959  Chaenactis artemisiifolia Scott D. White, Teresa Salvato 2001-6-8 8568 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  RSA781601  Chaenactis carphoclinia Duncan S. Bell 2011-12-30 3031 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
  SD215392  Chaenactis carphoclinia W. Wisura, J. Dolan and M. Wall 1992-3-24 4615 Riverside 4.7 miles Northeast of Mecca on Box Canyon Road. Comment
  UC69071  Chaenactis carphoclinia var. peirsonii H. M. Hall 1905-4-1 5809 Riverside 10 mi w Coachella; Colorado Desert 152 Comment
  CAS-BOT-BC276918  Chaenactis fremontii F. H. Billings 1926-2-6 21 Riverside Desert near Palm Springs Comment
  CAS-BOT-BC276933  Chaenactis fremontii J. H. Thomas 1949-2-28 62 Riverside Southern part of Palm Springs Comment
  CAS-BOT-BC276939  Chaenactis fremontii John Thomas Howell 1928-3-11 3446 Riverside Garnet Station, Coachella Valley, Colorado Desert 213 Comment
  JOTR32122  Chaenactis fremontii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2279 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  POM259906  Chaenactis fremontii Philip A. Munz 1940-3-23 15721 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  RSA730040  Chaenactis fremontii R. F. Thorne 1973-3-30 72674 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA760821  Chaenactis fremontii Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 108 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  RSA388507  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1808 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  RSA527860  Chaenactis glabriuscula var. glabriuscula Scott D. White 1991-5-10 91 -152 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  RSA586326  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Steve Boyd 1995-5-3 0191 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR102873  Chaenactis glabriuscula var. glabriuscula A. C. Sanders 1997-3-26 20118 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  UCR104177  Chaenactis glabriuscula var. glabriuscula Scott D. White 1997-5-25 5222 Riverside San Jacinto Mtns., Bautista Canyon, along Bautista Canyon Road, c. 1.3 road miles NW of Hixon Trailhead (USFS Road No. 2E43) 762 Comment
  RSA523315  Chaenactis glabriuscula var. lanosa G. H. True 1935-4-3 200 Riverside Box Springs 366 Comment
  RSA705881  Chaenactis glabriuscula var. lanosa Michael Wall 2005-4-9 383 Riverside San Jacinto Valley, Santa Rosa Hills, Simpson Park region. 703 Comment
  RSA152488  Chaenactis macrantha Rimo Bacigalupi, L. R. Heckard 1953-5-4 4066 Riverside High desert slopes at base of the Cushenberry Grade, N base of San Bernardino Mtns. 1187 Comment
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Jun 30 2012
  RSA49385  Chaenactis macrantha Philip A. Munz 1949-4-12 13027 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  CHSC8272  Chaenactis stevioides Edward L. Smith 1958-3-21 357 Riverside Chuckwalla Mtns., 3 mi. n of Desert Center. 274 Comment
  RSA667993  Chaenactis stevioides Carol R. Annable 1995-3-16 2298 Riverside Ca. 13 km NE of Desert center on Hwy 177. Comment
  UCR244394  Chaenactis stevioides Jim Andre 2012-4-16 20974 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  RSA792549  Chamaesyce abramsiana Duncan S. Bell 2012-9-13 4176 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  JOTR16672  Chamaesyce albomarginata Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH OF JUMBO ROCKS 1280 Comment
  RSA626041  Chamaesyce albomarginata Scott D. White 1994-6-14 2073 Riverside Santa Gertudis Creek, ca. 1 mi. E. of Skunk Hollow. 396 Comment
  RSA0099440  Chamaesyce micromera Duncan S. Bell, Evan Meyer 2014-10-29 7698 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
  RSA0042831  Chamaesyce polycarpa Duncan S. Bell, Deidre Conocchioli 2014-3-18 6247 Riverside Orocopia Mountains; southern section of range; Gucci Spring. 416 Comment
  RSA0106717  Chamaesyce polycarpa Duncan S. Bell, Amanda Turek 2010-1-30 530 Riverside Arica Mountains; the central part of the range; limestone ridges to the west of Priests Mine. 448 Comment
  RSA180364  Chamaesyce polycarpa E. W. Lathrop 1960-5-27 5245 Riverside 6 miles west of Murrieta. Comment
  SEINET7907984  Chamaesyce polycarpa D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris & Lake Elsinore 488 Comment
  POM122795  Chamaesyce polycarpa var. hirtella Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  JEPS26603  Chamaesyce serpyllifolia Peter Kamb 1948-7-4 1169 Riverside San Jacinto Mtns, Hall Canyon 1645 Comment
  RSA432499B  Chamaesyce setiloba M. French Gilman 1940-1-22 4030 Riverside Smoketree Canyon. 305 Comment
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Sep 29 2011
  RSA70392  Chamaesyce setiloba F. W. Peirson 1928-4-24 7910 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. Comment
  JOTR28820  Cheilanthes covillei La Doux, Tasha 2003-9-4 1088 Riverside Joshua Tree National Park. Queen Mountains, Barker Dam (Stop 3) Comment
  RSA125966  Cheilanthes covillei E. K. Balls, Percy C. Everett 1957-11-4 22752 Riverside Snow Creek, about Old Fish Hatchery, N base San Jacinto Mtns. 701 Comment
  UCR281108  Cheilanthes newberryi Mitch Provance, Jeremiah George 2017-3-21 317- 14 Riverside Temescal Valley, N of Hwy 15, and adjacent to S side of Temescal Canyon Rd., above Horsethief Wash (E branch impeded by development) 370 Comment
  POM885  Cheilanthes parryi Anonymous 1904-1 s.n. Riverside Chino Canyon, Palm Springs Comment
  RSA423251  Chenopodium berlandieri N. C. Cooper 1943-10-9 949 Riverside Hemet. 304 Comment
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Apr 29 2011
  SD146315  Chenopodium berlandieri T. B. Salvato, A. C. Sanders 2000-4-27 59 Riverside Coachella Valley between Filmore and Buchanan on Avenue 56. -36 Comment
  UCR139622  Chenopodium berlandieri A. C. Sanders 2004-7-1 28377 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
  UCR115134  Chenopodium berlandieri var. zschackei Mitch Provance 2000-8-24 2218 Riverside Jurupa Mountains, NW extreme of the Jurupa Mountains, as accessed from Country Village Rd. 259 Comment
  RSA594121  Chenopodium californicum D. L. Banks, Victor Steinmann 1996-4-20 884 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony, approximately 100 m S from its junction with Hwy. 79., Area just north of Sec.19. 484 Comment
  SD233273  Chenopodium californicum Scott D. White, Justin M. Wood 2009-5-22 12900 Riverside San Jacinto Mountains: Quinn Flat Meadow. Meadow and adjacent uplands. 1372 Comment
  RSA640207  Chenopodium fremontii R. S. Woglum 1937-10-20 1186 Riverside Peninsular Ranges, Santa Rosa Mountains. Comment
  UCR115144  Chenopodium missouriense Mitch Provance 2000-10-28 2269 Riverside Jurupa Hills, Sunnyslope, residential areas near the Ormand Quarry. 274 Comment
  UCR145571  Chenopodium murale Chet McGaugh 2004-11-15 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River -41 Comment
  UCR197292  Chenopodium pumilio Mitch Provance 1998-7-23 912 B Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  UCR59671  Chenopodium rubrum Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3552 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  RSA340186  Chilopsis linearis W. A. Tilforth 1980-5-28 54178 Riverside San Bernardino Mts: Rocky, W-facing slope of Whitewater ridge above old bridge. Comment
  RSA455309  Chilopsis linearis Albert J. Perkins 1916-4-16 s.n. Riverside Palm Canyon. Comment
  RSA777282  Chilopsis linearis Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4745 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD255117  Chilopsis linearis Duncan S. Bell 2009-8-15 411 Riverside Northwest of the Arica Mountains. 285 Comment
  UCR95952B  Chimaphila umbellata Scott D. White 1996-8-1 4408 B Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA689436  Chloris truncata R. E. Riefner 2003-5-27 3 -254 Riverside Perris Valley, Rider Street near Perris Valley Storm Drain. 483 Comment
  SDSU13012  Chloris virgata Michael G. Simpson 1999-10-27 2053 Riverside Santa Margarita Ecological Reserve, San Diego State University. Along path from river to Southside facilities. 152 Comment
  POM146216  Chloris virgata F. M. Reed 1925-8-10 5136 -A Riverside Granite Hill Ranch, West Riverside. Comment
  POM78160  Chloris virgata F. M. Reed 1925-8-10 5136 -B Riverside Granite Hill Ranch, near Glen Avon. 183 Comment
  SEINET238916  Chorispora tenella A. C. Sanders 1998-3-11 21695 Riverside Shipley/Skinner Reserve area: Diamond Valley along State Street (R3) ca. 1/2 mi. N of Newport Rd. S of Hemet (Hemet 7. 488 Comment
  CLARK-A1528-3597  Chorizanthe brevicornu John C. Roos 1948-4-24 3794 Riverside Whitewater 548 Comment
  RSA0031419  Chorizanthe brevicornu Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4468 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  RSA33519  Chorizanthe brevicornu var. brevicornu N. C. Cooper 1944-5-6 1168 Riverside Devils Garden Near Whitewater. 457 Comment
  RSA757640  Chorizanthe brevicornu var. brevicornu LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4315 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
  UCR104903  Chorizanthe coriacea A. C. Sanders 1997-3-19 20008 Riverside Lake Skinner area, slopes north of Tucalota Creek c. 3/4 mi. (1.25 km) east of the lake 470 Comment
  POM84699  Chorizanthe corrugata M. Hill 1926-3-13 s.n. Riverside Near Dos Palmos. Comment
  UCR279532  Chorizanthe corrugata A. C. Sanders, Jim Malusa 2017-3-25 43012 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
  UCR215795  Chorizanthe leptoceras Anuja Parikh 1990-5-12 167 Riverside north of Agua Tibia Wilderness, south of Dripping Springs Campgrouns, 1.0 km south of Hwy 79, 2.8 km east of Woodchuck Road 494 Comment
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Mar 9 2014
  CAS-BOT-BC191352  Chorizanthe leptotheca Susan G. Stokes 1934-7-1 311 Riverside San Jacinto Mt. Roadside 1219 Comment
  UCR217644  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 132 Riverside San Jacinto Mountains, Bautista Canyon, slopes on east side of creek, c. 1 km north of conservation camp 847 Comment
  UCR217645  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 130 Riverside San Jacinto Mountains, Bautista Canyon, on slopes east of creek and c. 2.5 km south of forest service boundry 820 Comment
  CAS-BOT-BC523923  Chorizanthe parryi var. parryi D. E. Bramlet 1991-4-30 2090 Riverside Peninsular Range: Shipley Reserve, Crown Valley at NW foot of Black Mtn., transect C-3 731 Comment
  JEPS57785  Chorizanthe parryi var. parryi W. L. Jepson 1935-4-19 17073 Riverside San Gorgonio Pass Comment
  POM10486  Chorizanthe parryi var. parryi Stephen Grout, Stephen Grout 1903-05 5 Riverside Riverside Comment
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Sep 5 2011
  RSA407725  Chorizanthe polygonoides var. longispina Steve D. Boyd 1986-5-1 1788 Riverside South Western Perris Basin: Hill W of Skunk Hollow. Comment
  UCR121690  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-5-10 2348 Riverside Lake Skinner area, Lake Skinner County Park, 3,000 ft. (~0.5 mi.) west of 'Old' Warren Road and 9,800 ft. (~1.9 mi.) west of 'Old' Warren Road and 1,300 ft. (~0.25 mi.) south of access road. 471 Comment
  UCR217541  Chorizanthe polygonoides var. longispina Diane Menuz 2008-4-4 391 Riverside Peninsular Range, Palomar Mountains. And 0.5 mi down Woodchuck Rd. from national forest boundary 719 Comment
  UCR251300  Chorizanthe polygonoides var. longispina T. B. Salvato, Mike Landers 2013-3-21 7414 Riverside Perris-Aguanga Basin, Murrieta, at the northwest corner of the intersection of Baxter Road and Menifee Road 453 Comment
  UCR266336  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-5-12 2352 Riverside Peninsular Range, Temecula, c. 4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  CAS-BOT-BC246237  Chorizanthe rigida Carl B. Wolf 1932-4-29 s.n. Riverside EASTERN COLORADO DESERT. W. EDGE OF MARIA MTS. 17 MI. FROM BLYTHE ON RICE ROAD 152 Comment
  POM48595  Chrysolepis sempervirens Mary F. Spencer 1919-7-8 665 Riverside Tahquitz ridge, San Jacinto Mt. 2439 Comment
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Nov 19 2011
  UCR23785  Chrysothamnus nauseosus John C. Roos 1943-10-16 2738 Riverside Southern Mojave Desert, Falcon Flats, Little San Bernardino Mtns 1524 Comment
  UCR133967  Chrysothamnus paniculatus Mitch Provance, J. S. Ross 1998-3-27 MOR- 952 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  SEINET11860603  Chrysothamnus paniculatus L. S. Rose 1935-12-21 35677 Riverside Colorado Desert, Whitewater Wash, 3 mi SE of Palm Springs Station 305 Comment
  UC1184298  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-1-24 11436 Riverside desert alluvial fan Fargo Canyon Comment
  UC1184317  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-3-16 11861 Riverside Fried Liver Wash Joshua Tree National Monument, Pinto Basin Comment
  SEINET13009282  Chylismia brevipes subsp. brevipes J. S. Horton 1973-3-19 698 Riverside 5 miles west of Desert Center. 366 Comment
  OBI26127  Chylismia claviformis David J. Keil 1976-12-12 11905 Riverside Ca. 5 mi E of Indio along I-10 Comment
  UC635280  Chylismia claviformis subsp. aurantiaca Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  UCSB30313  Chylismia claviformis subsp. aurantiaca Sauls, Mary 1977-2-27 Riverside 5 mi. W. of junction Hwy. 195 and interstate 10; Box Canyon wash 365 Comment
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Nov 16 2015
  UCR178848  Cirsium occidentale var. californicum Mitch Provance, Tracy Tennant 1998-6-16 MOR- 392 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  SD113208  Cirsium occidentale var. occidentale Darley F. Howe 1941-6-9 1114 Riverside San Jacinto Mountains 1525 Comment
  UCR138763  Cirsium scariosum Scott D. White 1997-5-18 5164 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  CAS-BOT-BC438846  Cistanthe monandra F. H. Billings 1926-1-25 7 Riverside Palm Springs Comment
  CAS-BOT-BC438849  Cistanthe monandra L. R. Abrams 1926-3-26 11038 Riverside Palm Springs Comment
  SEINET7072848  Clarkia purpurea A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  UC73290  Clarkia similis M. F. Gilman 1904-1 23 Riverside Banning Comment
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Mar 13 2011
  RSA593976  Clarkia unguiculata D. L. Banks, Elizabeth Hedge Banks 1996-5-2 961 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 m inside the preserve boundary gate, 3 m E of the main road along a open field. 448 Comment
  RSA522742  Claytonia parviflora subsp. parviflora Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3849 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
  UCR200687  Claytonia parviflora subsp. parviflora Steve Boyd, Aydee Virgen 2004-4-13 10882 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  SD133030  Claytonia parviflora subsp. viridis Scott White 1991-5-10 91 140 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs 548 Comment
  UCR70285  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3943 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of the lake, Saddle between summits, N slope along road heading N to Black Hills 793 Comment
  RSA180251  Claytonia perfoliata subsp. mexicana E. W. Lathrop 1965-4-18 5659 Riverside 10 miles west of Murrieta. Comment
  SEINET10536024  Clematis lasiantha James S. Miller 1992-5-8 Miller 7461 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  CLARK-A1528-3852  Clematis ligusticifolia John C. Roos 1965-10-7 Riverside Riverside Comment
  CAS-BOT-BC92826  Clematis pauciflora Carl B. Wolf 1932-5-25 3668 Riverside North Base of San Jacinto Mountains. Snow Creek Canyon. Just above fish hatchery. 670 Comment
  UCR50391  Clematis pauciflora L. F. LaPre, Jack Easton 1988-1-12 s.n. Riverside Santa Rosa Plateau, Mesa de la Punta, Santa Rosa Springs Ranch 610 Comment
  UCSB10606  Clematis pauciflora Gill, Robert 1960-3-23 Riverside San Jacinto Mt. Range; Snow Cayon; near end of road 563 Comment
  POM13027  Cleome isomeris P. A. Munz 1922-4-13 4933 Riverside Eagle Mountains, Colorado Desert. Sandy wash from Anshutz Canyon. 366 Comment
  RSA440809  Cleome isomeris Robert Gustafson 1981-4-7 2150 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 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
  CHSC108882  Collinsia concolor Duncan S. Bell; Valentin Arvizu 2010-5-10 983 Riverside Peninsular Ranges; San Jacinto Mountains region: 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
  RSA0117425  Collinsia concolor Steve D. Boyd 1990-4-3 4086 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
  RSA0117430  Collinsia concolor Steve D. Boyd 1995-4-24 8478 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail southeast of its junction with the Dripping Springs Trail. 610 Comment
  SD129528  Collinsia concolor Miles Fellows 1985-4-9 143 Riverside Oasis de Los Osos Preserve of The Nature Conservancy, Snow Creek Canyon, at the N foot of the San Jacinto Mountains, above old house site Comment
  UCR216362  Collinsia heterophylla Mike Bell 2008-4-27 013 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 557 Comment
  UCR43789  Collinsia heterophylla var. heterophylla R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60661 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: edge of Cleveland National Forest 610 Comment
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May 31 2011
  RSA527871  Collinsia parviflora Scott D. White 1991-5-24 91 -69 Riverside San Jacinto Mtns region: Big Bear area E of Sugarloaf and W of Hwy 38, S of Hwy 18 and Baldwin Lake. 2073 Comment
  CLARK-A1528-5723  Colubrina californica John C. Roos 1960-4-8 Riverside Chuckwalla Mountains Comment
  CDA35600  Condalia globosa var. pubescens G. D. Barbe, J. L. Johnson 1982-11-2 4029 Riverside 14.5 mileseast of Eagle Mtn. Railroad on Bradshaw Trail, south of Chuckwalla Mountain 0 Comment
  HSC100001  Condalia globosa var. pubescens J. P. Smith, & J. O. Sawyer 2009-11-30 12698 Riverside Red Canyon Road. 542 Comment
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Mar 30 2013
  SBBG71927  Condea emoryi R. C. and J. R. Robbins 1933-2-15 Riverside Tahquitz Cyn Comment
  UCR251980  Conium maculatum A. C. Sanders, T. B. Salvato 2014-7-2 41181 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA629033  Convolvulus arvensis Scott D. White 1998-6-28 6787 Riverside Corona: River Road bridge over the Santa Ana River. 159 Comment
  UC1931131  Convolvulus arvensis Scott D. White, Justin Wood 2008-6-17 12162 Riverside San Jacinto Mountains: Garner Valley- Kenworthy Station (USFS) Butterfly Peak. Comment
  RSA653656  Conyza coulteri A. C. Sanders, Mitch Provance 1999-9-26 23125 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  SEINET4676266  Cordylanthus filifolius Steve Boyd, Tim Ross 1992-6-10 7644 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 of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. Southeast side of potrero.; 0 671 Comment
  POM259105  Cordylanthus nevinii Philip A. Munz 1938-8-14 15369 Riverside Ridge east of Toro Peak, Santa Rosa Mts. 2378 Comment
  UCR94921  Cordylanthus nevinii Scott D. White 1996-8-16 4484 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  CAS-BOT-BC287882  Coreopsis californica A. C. Sanders; K. Rose 1995-4-5 16357 Riverside San Bernardino Mts/Coachella Valley: S of Mission Creek and E of Highway 62 700 Comment
  RSA585647  Coreopsis californica var. californica D. L. Banks, Steve Boyd 1995-3-16 0083 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 506 Comment
  RSA0099991  Corethrogyne filaginifolia Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8578 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  UC87480  Corethrogyne filaginifolia J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  RSA615554  Cornus glabrata A. C. Sanders, T. Tennant, A. Sanders 1997-11-14 21596 Riverside San Bernardino Mtns: Morongo Idian Reservation, W end of Burro Flats. 1159 Comment
  SD119917  Cornus nuttallii Louis B. Ziegler 1970-5-20 405 Riverside San Jacinto Mountains; North Fork of the San Jacinto River. 1675 Comment
  CLARK-A1528-200  Cotula australis Susan Larisch 1963-2-20 12 Riverside Highgrove Comment
  UCR116595  Crassula connata A. C. Sanders 2001-3-20 23846 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
  UCR155158  Crassula connata A. C. Sanders, Kelly Volansky 2005-3-17 29202 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  CAS-BOT-BC226939  Cressa truxillensis A. C. Sanders; John F. Green 2012-5-27 40204 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  RSA653675  Cressa truxillensis A. C. Sanders, K. C. Rose 1999-6-18 22820 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester. 433 Comment
  NY268561  Crossosoma bigelovii L. D. Benson 1945-3-29 11632 Riverside Canyon on road to Palm Springs in Little San Bernardin Mtns, Colorado Desert Drainage. 670.6 Comment
  RSA1256  Crossosoma bigelovii B. D. Stark 1930-5-4 823 Riverside Morongo Pass. Comment
  RSA545237  Crossosoma bigelovii R. F. Thorne 1970-10 41887 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  JOTR30082  Croton californicus La Doux, Tasha, Bill Truesdell 2006-10-3 1721 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  SEINET6062496  Croton californicus S. B. Parish Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UC303797  Croton californicus S. B. Parish 1919-3-26 19198 Riverside Whitewater Crossing Colorado Desert Comment
  UCR116816  Croton californicus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23947 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  POM87349  Croton californicus var. mohavensis Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  RSA480703  Croton californicus var. mohavensis P. J. Remple 1942-3-3 s.n. Riverside Garnet Station. Comment
  RSA5155  Croton californicus var. mohavensis C. B. Wolf 1932-4-26 2966 Riverside 3 mi. east of Mecca on Blythe Road. 0 Comment
  SD44841  Croton setiger Darley F. Howe 1952-4-29 Riverside Chuckwalla Mountains Comment
  UCR183167  Cryptantha Mitch Provance 2003-5-5 4408 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  JEPS67471  Cryptantha angustifolia W. I. Follett 1942-5-20 125 Riverside 25.5 mi w Desert Center (near Shaver Summit); Colorado Desert Comment
  OBI75953  Cryptantha angustifolia James M. Andre 2011-2-9 156945 Riverside Coachella Valley; along Varner Rd between Desert Hot Springs and Palm Desert; 2 mi N of I-10 189 Comment
  SD39167  Cryptantha angustifolia Edith A. Purer 1935-4-21 6465 Riverside Western edge of Colorado Desert near Palm Springs Comment
  UCR279538  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2017-3-27 43127 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Siphon 22 on the Coachella Canal, just inside Naval Aerial Gunnery Range boundary 23 Comment
  RSA0040032  Cryptantha angustifolia W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Blythe. Comment
  UCR157739  Cryptantha barbigera A. C. Sanders 1987-2-12 6976 Riverside Sonoran (Colorado) Desert, foot of Rabbit Peak on the trail up the mountain from the east 122 Comment
  UCR167272  Cryptantha barbigera John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCSB24714  Cryptantha circumscissa Austin, Stan 1966-5-15 Riverside 0.5 mile from Ranger Station on Banning-Idyllwild Rd. in Dark Canyon, San Jacinto mts. 1981 Comment
  SD239636  Cryptantha costata Dave Silverman, Fred Sproul, Tammy Beyerl and Erin Bergman 2010-3-29 7874 Riverside East end of Chuckwalla Valley, west of Palo Verde Mesa and Blythe, 1.5 km south of I-10 and 7.5km west of Nicholl's Warm Spring. 149 Comment
  SBBG53355  Cryptantha decipiens J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  UC1178553  Cryptantha decipiens Peter Kamb 1948-4-11 881 Riverside 5 mi e Garnet (Aqueduct Road); Coachella Valley 304 Comment
  UCR72244  Cryptantha holoptera Theo Glenn 1991-5-30 91- 113 Riverside Sonoran (Colorado) Desert, Mule Mtns, 0.2 mi. east of the Opal Hill Mine, just north of the Imperial County line and west of Palo Verde 200 Comment
  CLARK-A1528-1120  Cryptantha intermedia Charles S. Papp 1964-5-3 454 Riverside Riverside Comment
  POM230207  Cryptantha intermedia I. W. Clokey 1935-4-18 6861 Riverside Gavilan mesa. 61 Comment
  RSA519255  Cryptantha intermedia Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons 488 Comment
  SD107312  Cryptantha intermedia Norman C. Cooper 1944-4-21 1097 Riverside Banning 700 Comment
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Mar 13 2011
  UC78664  Cryptantha intermedia C. R. Orcutt Riverside Colorado Desert Comment
  UCR117702  Cryptantha intermedia Mitch Provance 1998-6-11 679 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR166161  Cryptantha intermedia John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 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
  UCR172756  Cryptantha intermedia Abby Sirulnik, Ian G. Gillespie 2000-5-14 43 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCR250557  Cryptantha intermedia A. C. Sanders 2014-4-9 41002 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.4 km south of El Hermano Rd., NW of Corona (Lee) Lake 331 Comment
  UCR60611  Cryptantha intermedia Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3172 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  SDSU21778  Cryptantha juniperensis A. C. Sanders 2012-4-6 40006 Riverside Peninsular Range; Santa Ana Mtns. Area: Remescal Canyon, side canyon above washout along old (c. 1926) Corona-Elsinor RR route between I-5 and Temescal Cyn. Rd., c 10 miles south of Corona 319 Comment
  JEPS67690  Cryptantha maritima W. L. Jepson 1937-4-12 11635 a Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  RSA776299  Cryptantha maritima Duncan S. Bell, Amanda Turek 2010-4-10 825 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCR226794  Cryptantha maritima Jim Andre 2011-2-9 15916 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR92483  Cryptantha maritima George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  RSA617201  Cryptantha maritima var. pilosa L. C. Wheeler 1953-3-31 7038 a Riverside Near Mountaineer Mine. Comment
  POM126211  Cryptantha micrantha E. E. Schellenger 1911-4-25 s.n. Riverside Whitewater wash north of Palm Springs. Comment
  RSA608561  Cryptantha micrantha var. lepida R. S. Woglum 1941-6-12 3055 a Riverside Idyllwild Comment
  RSA79959  Cryptantha micrantha var. lepida F. W. Peirson 1922-5-19 4483 Riverside San Jacinto River, San Jacinto Mtns. 1220 Comment
  UCR264741  Cryptantha micrantha var. lepida Steve Boyd, G. 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 2683 Comment
  RSA562497  Cryptantha microstachys Steve Boyd, Tim Ross 1992-5-5 7239 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
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Aug 22 2008
  UC217963  Cryptantha microstachys P. A. Munz and I. M. Johnston 1922-5-19 5346 Riverside 5 mi ne Murietta 457 Comment
  UCR263467  Cryptantha microstachys A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35583 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, above mapped spring 1524 Comment
  UCR167792  Cryptantha muricata T. B. Salvato, Gregg Miller 2005-6-3 1382 Riverside Peninsular Range: Perris-Aguanga Basin, tributary of the San Jacinto River, c. 3 mi SW of Perris, 1.5 mi east of the Good Hope Mine and less than 0.25 mi south of Ethanac Road 433 Comment
  RSA0079428  Cryptantha muricata var. jonesii Marcus E. Jones 1924-8-20 s.n. Riverside Idyllwild. Comment
  SBBG53354  Cryptantha nevadensis var. nevadensis J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  JOTR35073  Cryptantha pterocarya var. pterocarya La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3525 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  RSA0079328  Cryptantha pterocarya var. purpusii J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. 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
  RSA97125  Cryptantha racemosa H. K. Buechner 1955-5-29 C- 79 Riverside Magnesium Canyon, north base of Santa Rosa Mountains. Comment
  JEPS67901  Cryptantha utahensis Marjorie D. Clary 1933-3-26 2073 Riverside Ebbens Creek Wash Santa Rosa Mountains 304 Comment
  SD134490  Cryptantha utahensis Craig Reiser 1992-4-11 Riverside Palms to Pines Highway, rocky desert slope overlooking Desert Bighorn Institute Comment
  CLARK-A1528-428  Cucurbita palmata Charlotte Stocks 1964-9-1 Riverside Coachella Valley Comment
  RSA609810  Cucurbita palmata R. S. Woglum 1939-4-11 2201 Riverside Sonora Desert: Desert Center. Comment
  SD46669  Cucurbita palmata P. C. Everett, E. K. Balls 1956-5-2 21550 Riverside 1.0 mile from turn-off west of Desert Center to Eagle Mountain pumping plant. 274 Comment
  UCR181351  Cucurbita pepo R. E. Riefner Jr. 2005-9-19 05- 447 Riverside Peninsular Range, Temecula Valley, c. 0.1 mi. west of I-15 Freeway along Temecula River 280 Comment
  CLARK-A1528-2662  Cupressus stephensonii John C. Roos 1962-5-19 Riverside Loma Linda Comment
  UC588120  Cuscuta denticulata Carl B. Wolf 1932-10-11 4282 Riverside Morongo Wash at the San Bernardino County line Morongo Wash 731 Comment
  RSA160502  Cuscuta indecora J. D. Olmsted 1959-9-23 993 Riverside Mt. Range NW of Lakeview Mts. Drainage area to Lake Elsinore. San Jacinto River crossing by Lakeview Rd from US 395. 427 Comment
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Jan 1 2007
  RSA479905  Cycloloma atriplicifolium Steve Boyd 1987-5-9 2087 Riverside City of Riverside, J.V. Boyd residence, 2307 Oak Crest. Comment
  SBBG54103  Cyclospermum leptophyllum J. C. Roos, L. Roos 1953-5-9 5917 Riverside Fairmount Park, Riverside 259 Comment
  RSA0056192  Cylindropuntia californica Marc A. Baker 2013-5-25 17746 Riverside San Gorgonio Pass, 9.5km east of Banning, 1.2km NE of Cabazon. 570 Comment
  SEINET3071826  Cylindropuntia ramosissima Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17508 Riverside Pilot Mountain quadrangle, zone 11 0655330mE 3721650mN NAD83, Corn Springs, north side of Chuckwalla Mountains, 12km SSE of Desert Center, 85km east of Indio 498 Comment
  SEINET10468127  Cynodon dactylon David B. Dunn 1946-3-15 Dunn 2017 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills. Sparse Desert scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  SEINET10905506  Cynodon dactylon Billy Joe Cox 1975-10-10 Cox 4215 Riverside Palo verde, 1-3 km w, creosote desert scrub, sandy and gravelly entisols. 70 Comment
  UCR77691  Cyperus acuminatus Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6334 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  UCR441  Cyperus niger var. capitatus O. F. Clarke 1974-11-14 s.n. Riverside Riverside, Santa Ana Riverbottom Park Comment
  SEINET7582457 Image available Cyperus odoratus Mary F. Spencer 1921-7-16 1688 Riverside Soboba Hot Springs near San Jacinto. 579 Comment
  CDA2598  Cyperus rotundus K. E. Hoffmaster Jul 1958 Riverside Indio. 0 Comment
  UCR183344  Cyperus rotundus K. E. Hoffmaster 1958-1 s.n. Riverside Sonoran (Colorado) Desert, Indio 3 Comment
  CAS-BOT-BC114045  Cyperus squarrosus Harvey Keith Wagnon 1944-5-25 396 Riverside By stream, Tahquitz Canyon, Palm Springs. Comment
  UCR2294  Dactylis glomerata C. A. Johnson 1915-6-14 s.n. Riverside Rubidoux, Citrus Experiment Station 259 Comment
  CDA26958  Dalea mollis G. D. Barbe 1978-5-2 2364 Riverside 19.2 miles west of Cottonwood Springs Road, 4 miles west of Roadside Rest Area, eastbound lanes I-10 east of Indio. 0 Comment
  JOTR31892  Dalea mollis La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2142 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash, east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  RSA28052  Dalea mollis I. L. Wiggins 1941-3-27 9680 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  SBBG3310  Dalea mollis H. and M. Dearing 1942-3-9 4817 Riverside Eagle Cyn Comment
  UCR34324  Dalea mollis P. Shaw, Jeanine Derby 1984-2-6 s.n. Riverside Sonoran (Colorado) Desert, 10 mi. NW of Blythe along the Midland Road Comment
  POM14065  Dalea mollissima P. A. Munz, D. D. Keck 1922-4-9 4870 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
  POM306695  Dalea mollissima Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1687 Riverside Near Desert Center-Indio. Comment
  RSA796272  Dalea mollissima Jim Andre 2012-4-15 20849 Riverside 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
  UCR137373  Dalea mollissima June Latting 1978-4-30 s.n. Riverside Sonoran (Colorado) Desert, Red Cloud Mine Road near I-10 427 Comment
  UCR92501  Dalea mollissima George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  SEINET6656755  Dalea schottii David B. Dunn 1946-1 2025 Riverside In vicinity of Pushawalla Canyon, Indio Hills.; 0 Comment
  POM193517  Dasyochloa pulchella J. B. Feudge 1929-9-15 2026 Riverside Cottonwood Springs, Colorado Desert. Comment
  RSA592686  Dasyochloa pulchella Scott D. White, Duayne Haselfeld 1996-7-2 4270 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
  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
  JOTR34298  Datura wrightii Andre, Jim 2012-4-11 20708 Riverside Joshua Tree National Park. Pinto Basin; along road to Cottonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  UCSB17915  Datura wrightii Brooks, Terry 1963-5-4 Riverside State Highway 111, 9.2 miles W of Palm Desert 106 Comment
  CLARK-A1528-7776  Daucus pusillus John C. Roos 1937-5-2 1399 Riverside La Sierra Comment
  JEPS12592  Deinandra fasciculata W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1576 Riverside Temescal Wash Comment
  UC1929622  Deinandra fasciculata Scott D. White, Michael Honer 2003-6-3 9458 Riverside SANTA ANA MOUNTAINS: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  JEPS8779  Deinandra kelloggii Rimo Bacigalupi with G. T. Robbins 1954-5-16 4465 Riverside along road from Valverde e to Lakeview (w slope of the Bernasconi Hills); Bernasconi Hills 426 Comment
  RSA675703  Deinandra mohavensis Scott D. White 2000-10-24 8142 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
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Dec 16 2012
  UC1979620  Deinandra paniculata D. L. Banks, Steve Boyd 1995-10-26 0829 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Alongt he Woodchuck Trail, at the large grassland area along the upper trail. Approximately 1.6 miles from the Wilderness boundary. Comment
  RSA543781  Delphinium parryi Steve Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6038 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA69412  Delphinium parryi F. W. Peirson 1922-5-18 3051 Riverside Lake Elsinore, Riverside Co. Comment
  UC854188  Delphinium parryi subsp. parryi L. Haines and L. Erickson 1937-4-9 Riverside field near Winchester Comment
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Mar 20 2011
  UCR79228  Delphinium patens subsp. hepaticoideum Steve Boyd 1992-4-15 6862 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness: Bluewater Canyon along Bluewater Trail, downstream to the confluence with San Mateo Creek 488 Comment
  SEINET3208900  Dendromecon rigida G. Goodwin 2012-6-14 3456 Riverside San Jacinto Mountains, at vista south of Idyllwild adjacent to highway 243 1650 Comment
  UCR133399  Dendromecon rigida Tracy Tennant, J. S. Ross 1998-5-7 MOR- 108 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  RSA66258  Dendromecon rigida subsp. rigida F. W. Peirson 1924-7-29 5025 Riverside Road between Banning and Idyllwild. 1768 Comment
  RSA0126637  Descurainia pinnata subsp. intermedia Duncan S. Bell 2016-3-4 8800 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
  CAS-BOT-BC402293  Dicentra chrysantha Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Station, near Temecula 365 Comment
  JOTR30225  Dichelostemma capitatum subsp. capitatum Leary, C. and Leary, Pat 1979-5-5 2991 Riverside Joshua Tree National Park. Above Lower Covington Flats, Joshua Tree National Monument, T2S R7E sec 6 Comment
  RSA70160  Dichelostemma capitatum subsp. pauciflorum F. W. Peirson 1922-4-9 2903 Riverside Andreas Canyon near Palm Springs, Colorado Desert, 335 Comment
  RSA501045B  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3166 B Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA93922  Dicoria canescens F. W. Peirson 1924-12-30 5425 Riverside Thousand-Palms Canyon, edge of Coachella Valley. 122 Comment
  RSA0043131  Dieteria asteroides John Wallace, Steve McNabb 1991-5-5 15 Riverside Palo Verde Dam. 20 yards west of outflow footbridge, 30 yards north of abandoned storage yard. Comment
  UC666420  Dieteria asteroides var. asteroides Annie M. Alexander and Louise Kellogg 1941-5-28 2258 Riverside 3 mi n Palo Verde; Colorado Desert 106 Comment
  UCD131261  Dieteria canescens var. canescens J. C. Roos 1965-10-5 s.n. Riverside Exact location unknown. Comment
  RSA736172  Dimorphotheca sinuata Scott D. White, Justin M. Wood 2008-3-25 11776 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  CAS-BOT-BC150930  Diplacus bigelovii var. bigelovii Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA0019425  Diplacus fremontii Christopher Davidson 1975-6-16 2808 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  RSA0018420  Diplacus longiflorus var. calycinus D. C. Michener, Walter Wisura 1982-7-15 4063 -A Riverside Granitic rock cut 0.4 mi. south of Poppet Flat rd. on CA 243. Comment
  RSA0018435  Diplacus longiflorus var. calycinus N. C. Cooper 1944-7-15 1554 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  SEINET13778024 Image available Diplacus puniceus L. R. Abrams 1941-1 13876 Riverside Palomar School near Perris Comment
  UCR250871  Distichlis spicata S. J. Myers 2014-4-29 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, c. 1.2 mi. SE of Mecca at intersection of 68th St. and Johnson Ave. -60 Comment
  JEPS3936  Ditaxis claryana Marjorie D. Clary 1933-3-13 Riverside Coral reef Ranch, Coachella Valley Comment
  RSA338322  Ditaxis lanceolata L. M. Shultz, John S. Shultz 1985-4-18 8327 Riverside Chuckawalla Mountains, 1 mile west of Astec Well and 11.7 miles south of highway (I-15). 610 Comment
  SFV6324  Ditaxis lanceolata T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 43 Riverside 5 miles north of Highway 111 on Highway 74. Growing adjacent to roadside. 100 Comment
  UCR114113  Ditaxis lanceolata B. G. Pitzer, J. Ross 1998-3-8 3609 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR214433  Ditaxis lanceolata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37492 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR41800  Ditaxis lanceolata A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6026 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  RSA0108936  Ditaxis neomexicana Duncan S. Bell, Amanda Bell 2012-1-28 3074 Riverside East side of the Arica Mountains; collecting along the old railroad tracks on the west side of Rice Valley, approximately 6.25 air miles south of the ghost town of Rice. 224 Comment
  UCR58871  Ditaxis neomexicana J. M. Stewart 1989-10-16 609 Riverside Sonoran (Colorado) Desert, along Hwy 95, 5.6 mi. south of Vidal Comment
  POM14563  Dithyrea californica R. W. Campbell 1922-3-12 s.n. Riverside Palm Springs Comment
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Jul 4 2010
  RSA0043364  Dithyrea californica Marc A. Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17704 Riverside Palo Verde Mesa, 14 km SW of Blythe, 6 km ENE of north end of the Mule Mountains. 118 Comment
  RSA342000  Dithyrea californica R. F. Thorne 1980-4-16 54116 Riverside Along Whitewater River, E of bridge and levee Comment
  RSA66546  Dithyrea californica F. W. Peirson 1926-1-31 6484 Riverside Abundant on rocky slopes, Dos Palmas [Spring], Colorado Desert. Comment
  SD260032  Dithyrea californica J. M. Andre 2013-3-27 24797 Riverside Rice Valley: east saide of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). Ric 7.5'Q 242 Comment
  UC118026  Dithyrea californica S. B. Parish 1881-3-1 15 Riverside Whitewater Colorado Comment
  RSA753813A  Dodecahema leptoceras D. Volgarino 1995-6-12 s.n. Riverside Dripping Springs. Comment
  RSA510028  Dodecatheon clevelandii B. Pitzer, E. Misquez 1988-2-28 623 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  RSA0121059  Draba cuneifolia Duncan S. Bell, Thomas Stoughton 2016-3-16 8945 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  UC50305  Draba cuneifolia H. M. Hall Apr. 1903 3804 Riverside vicinity Riverside; vicinity of Riverside 609 Comment
  RSA798604  Dryopteris arguta R. F. Thorne, E. W. Lathrop 1977-5-18 49758 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  POM17775  Dudleya lanceolata P. A. Munz 1923-6-18 7131 Riverside Temecula Canyon. Comment
  RSA680519  Dudleya lanceolata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8634 -B Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR21967  Dudleya lanceolata Steve Boyd 1980-5-17 285 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UC69874  Dudleya multicaulis C. M. Wilder 1905-5-30 584 Riverside West Riverside Comment
  RSA570733  Dudleya pulverulenta Steve Boyd, Timothy S. Ross, J. Travis Columbus 1993-10-23 8202 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  RSA397784  Dudleya saxosa subsp. aloides Christopher Davidson, B. Gustafson 1977-4-7 5591 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  SEINET3071816  Echinocereus engelmannii subsp. engelmannii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17500 Riverside Queen Mountain quadrangle, Queen Valley, 1km west of Desert Queen (McHaney's) Mine, 1km ESE of the summit of Negor Hill, 13km SSW of Twentynine Palms 1335 Comment
  RSA0125225  Echinocereus engelmannii var. engelmannii Keith E. Hoffmaster 1933-4-14 s.n. Riverside Tahquitz Canyon.Fern Valley, San Jacinto Mtns Comment
  RSA0125253  Echinocereus engelmannii var. engelmannii P. A. Munz 1921-5-1 4488 Riverside Southern edge of Mojave Desert near Pinyon Wells. 1220 Comment
  UCD61060  Echinochloa muricata var. microstachya H. S. Yates 1937-6-27 6707 Riverside San Jacinto, near Relief Hot Springs. 457 Comment
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Mar 13 2011
  UCR19192  Eclipta prostrata John C. Roos 1965-7-5 s.n. Riverside Sonoran (Colorado) Desert, Thermal Airport Comment
  RSA92084  Eleocharis bella F. W. Peirson 1921-5-20 3028 Riverside About 1 mile below Kenworthy, Hemet Valley 1387 Comment
  HSC46428  Eleocharis macrostachya Christopher Davidson 1977-5-25 5647 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mtns. 701 Comment
  UC839179  Eleocharis macrostachya P. A. Munz 1922-4-29 5105 Riverside Temecula River Comment
  UCR220334  Eleocharis macrostachya D. E. Bramlet 1992-4-29 2251 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, west edge of Hemet, west of Warren Rd. and north of Florida Ave./Hwy 74 457 Comment
  RSA526161  Eleocharis montevidensis Steve Boyd, Timothy S. Ross 1990-5-11 4664 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
  UCR111781  Eleocharis montevidensis Mitch Provance 1999-5-4 1707 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  POM46954  Eleocharis montevidensis var. montevidensis Mary F. Spencer 1918-3-27 s.n. Riverside Palm Springs. 137 Comment
  RSA737354  Eleocharis parishii Justin M. Wood 2008-9-19 139 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR24988  Elymus elymoides A. C. Sanders 1980-7-18 1659 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UC38191  Elymus glaucus H. M. Hall 1901-7-20 2515 Riverside vicinity of Strawberry Valley San Jacinto Mts. 1615 Comment
  UC729843  Elymus glaucus Carl B. Wolf 1932-8-5 3942 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  RSA561881  Elymus multisetus Steve Boyd 1992-6-10 7628 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
  UCR2102  Elymus trachycaulus F. M. Reed 1908-7-14 2471 Riverside San Jacinto Mtns., canyon on road to Strawberry Valley [Old Control Rd. from Oak Cliff, vicinity of Halfway Spring] 1220 Comment
  RSA16506  Emmenanthe penduliflora Percy C. Everett 1935-6-17 7152 Riverside Santa Ana Mts, Coldwater Canyon Trail to Santiago Peak, 2 miles above Glen Ivy Resort. 610 Comment
  RSA594781  Emmenanthe penduliflora D. L. Banks, Dylan Hannon 1996-5-3 975 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  RSA772413  Emmenanthe penduliflora Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4852 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  RSA772583  Emmenanthe penduliflora Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5045 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  SD119899  Emmenanthe penduliflora Louis B. Ziegler 1973-3-26 502 Riverside Gavilan Hills west of Perris. 487 Comment
  UCD119202  Emmenanthe penduliflora Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-1 3158 Riverside Vail Lake area. 487 Comment
  JEPS34099  Encelia actoni W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1253 Riverside San Jacinto River Comment
  CAS-BOT-BC131323  Encelia farinosa Javier Penalosa 1963-4-11 2806 Riverside Pines to Palms hwy. (#74) above Palm Desert 762 Comment
  UCR97262  Encelia farinosa Scott D. White 1993-3-12 1166 Riverside Near Winchester 466 Comment
  UCR97691  Encelia farinosa A. C. Sanders, G. Helmkamp 1997-3-15 19966 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  POM356681  Encelia farinosa var. farinosa D. A. Young 1969-3-21 308 Riverside 3 miles SE of Hwy 74 (8 miles S of Palm Desert) near the fence of the University of California. 366 Comment
  RSA342564  Encelia farinosa var. farinosa R. F. Thorne, Dick Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54015 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  RSA556487  Encelia farinosa var. farinosa Julie Greene 1993-3-13 1051 Riverside West of Poleline Rd. 457 Comment
  SEINET3078303 Image available Encelia farinosa var. phenicodonta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37484 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q) 204 Comment
  RSA792574  Encelia frutescens Aaron C. Sedgwick 2012-11-9 164 Riverside South of Needles: Chemeheuvi wash basin, west of Hwy. 95 on Turtle Mtn. Rd. Population extends for 8 mi. on northern side of the road in a parallel wash/ditch. 76 Comment
  UC68861  Encelia frutescens H. M. Hall 1905-4-1 5859 Riverside near Canon Springs; Colorado Desert Comment
  UC813668  Ephedra aspera I. W. Clokey 1935-4-17 6513 Riverside Cottonwood Springs Comment
  SEINET11174504  Ephedra aspera I. W. Clokey 1935-4-17 6514 Riverside Cottonwood Springs Comment
  UC1093993  Ephedra californica Lewis S. Rose 1955-3-14 55028 Riverside 3 mi se of Palm Springs Station (Whitewater Wash); Whitewater Wash 304 Comment
  UCR261208  Ephedra californica A. C. Sanders 2015-4-22 41581 Riverside San Gorgonio Pass, SE side of Cabazon, east of Elm St., c. 735 m south of I-10, c. 350 m east of water bottling plant 471 Comment
  CAS-BOT-BC81863  Ephedra trifurca Carl B. Wolf 1932-4-29 3123 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  SBBG402  Ephedra viridis H. and M. Dearing 1949-4-11 6748 Riverside above Cathedral City, Palms to Pines Hwy Comment
  RSA186221  Epilobium canum subsp. latifolium L. B. Ziegler 1966-9-13 s.n. Riverside Carrizo Creek, desert side of San Jacinto Mountains. 671 Comment
  RSA692222  Epilobium canum subsp. latifolium Scott D. White 2003-10-9 9817 Riverside Pine Cove. Lily Creek just north of crossing at Hwy 243. 1738 Comment
  UCR26278  Epilobium ciliatum John C. Roos 1952-6-25 5795 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  RSA698275  Epilobium ciliatum subsp. ciliatum J. R. Bruff 1934-6-19 529 Riverside 2 mi. above Snow Creek Fish Hatchery Base of San Jacito. Comment
  SBBG92149  Epilobium ciliatum subsp. ciliatum J. Hirshberg 1989-7-25 Riverside marsh near SW edge of Vail Lake Comment
  UCR193124  Epilobium densiflorum A. C. Sanders, Tim Thomas 2008-6-20 35533 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR19157  Epipactis gigantea John C. Roos 1948-5-29 3870 Riverside San Bernardino Mtns., Whitewater Canyon 856 Comment
  MACF015740  Equisetum laevigatum Louis C. Wheeler 1932-7-9 11251 Riverside Santa Ana River at Chino Creek 182 Comment
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Jul 22 2015
  SBBG56820  Eragrostis mexicana M. N. Ackley 1928-3-25 Riverside near Edom 64 Comment
  CAS-BOT-BC204634  Eragrostis mexicana subsp. virescens H. S. Yates 1937-6-28 6744 Riverside Near Indio 30 Comment
  UCD64538  Eragrostis pectinacea Fred M. Reed 1904-8-10 85 Riverside Riverside and vicinity. Comment
  UCR2388  Eragrostis pectinacea var. pectinacea F. M. Reed 1904-8-10 85 Riverside Riverside Comment
  UCR148332  Eremalche rotundifolia John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  JOTR34317  Eremothera boothii subsp. condensata Andre, Jim 2012-4-11 20815 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  SD258953  Eremothera boothii subsp. condensata Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7644 Riverside Mecca Hills: Hills around Shaver's Well, along Box Canyon Road, south edge of Shaver's Valley, eastnortheast of Mecca. 294 Comment
  UC667370  Eremothera refracta Annie M. Alexander and Louise Kellogg 1941-5-15 2184 Riverside n base of Eagle Mts. Colorado Desert 914 Comment
  RSA0014471  Eriastrum Justin M. Wood, J. Miner 2010-4-29 1546 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA0105461  Eriastrum densifolium subsp. austromontanum J. T. Howell 1927-8-2 574 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  UCR113545  Eriastrum densifolium subsp. austromontanum Mitch Provance 1998-6-12 699 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  CAS-BOT-BC514320  Eriastrum densifolium subsp. austromontanum Peter H. Raven; R. Snow 1957-7-26 11103 Riverside Just below Vista Grande Ranger Station, Banning--Idyllwild Rd, San Jacinto Mts. Comment
  UC1787332  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-22 102 Riverside Hwy 371, 4.5 km south of Hwy 74, south side of road, in sandy bottom of Hamilton Wash 1267 Comment
  RSA0105497  Eriastrum densifolium subsp. elongatum N. C. Cooper 1949-6-29 4304 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  SDSU3046  Eriastrum densifolium subsp. elongatum S. J. Banrhart 1966-4-24 Riverside 1 mile east of McAllister Street along the Metropolitan Water Co. Utility Road (Dirt). which is 1.5 miles south-east of the intersection of McAllister Street and Victoria Avenue. 457 Comment
  RSA0122954  Eriastrum sapphirinum subsp. dasyanthum Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau; S of town of Murrieta, on S side of Mesa de Burro. 549 Comment
  RSA0121585  Eriastrum sapphirinum subsp. dasyanthum F. W. Peirson 1920-6-22 4474 Riverside Dripping Spring southeast of Temecula 457 Comment
  RSA0122966  Eriastrum sapphirinum subsp. sapphirinum C. W. Tilforth, John Dourley 1980-7-15 2078 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  POM359405  Ericameria linearifolia Ora M. Clark 1929-3-16 1716 Riverside N. of Whitewater Comment
  RSA23701  Ericameria linearifolia R. S. Woglum 1934-3-18 627 Riverside Snow Creek, Coachella Valley Comment
  RSA770854  Ericameria linearifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4934 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
  UC36548  Ericameria linearifolia H. M. Hall 1899-5-23 1140 Riverside Kenworthy San Jacinto Mountains, Kenworthy (opening to desert, among rocks) 1219 Comment
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Mar 25 2011
  UC218156  Ericameria nauseosa var. bernardina P. A. Munz 1922-9-7 6404 Riverside San Jacinto Mts., Tamarack Valley 2865 Comment
  UC64798  Ericameria parishii var. parishii E. A. Zumbro 1904-1-1 436 Riverside Cold Water Canyon Santa Ana Mts, Cold Water Canyon Comment
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Jan 11 2007
  RSA0125104  Ericameria pinifolia Duncan S. Bell 2016-10-27 10213 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  SD43532  Ericameria pinifolia Philip A. Munz 1946-10-19 11564 Riverside Coahuila 1095 Comment
  UCR89884  Ericameria pinifolia A. C. Sanders 1995-11-26 17908 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  LA203162  Ericameria teretifolia Lewis S. Rose; 1936-12-24 36815 Riverside San Jacinto Mountains, Palms to Pines Highway, 24 mi. SW. of Indio 1066 Comment
  JOTR16590  Erigeron breweri var. covillei Hogan, J. 1974-6-24 187 Riverside Joshua Tree National Park. 0.6 MILES WEST OF BARRIEADE AT UPPER COVINGTON FLATS Comment
  UCR201513  Erigeron breweri var. covillei Scott D. White, Justin M. Wood 2008-6-17 12176 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  SBBG54332  Erigeron divergens C. Davidson 1978-6-15 7379 Riverside rd from Hwy 74 to Santa Rosa Mtn, ca. 2 mi W of jct to Santa Rosa Springs Cmpgrd 2087 Comment
  UCR159251  Erigeron foliosus A. C. Sanders, Kelly Volansky 2005-8-31 31571 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  POM19628  Erigeron foliosus var. stenophyllus Mary F. Spencer 1923-6-6 2214 Riverside San Jacinto. 518 Comment
  RSA613956  Eriochloa acuminata A. C. Sanders 1994-7-27 15162 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge., (T2S R5W, 117 deg 22.5'W, 34 deg 01'N.) 246 Comment
  RSA481789  Eriodictyon crassifolium Lyman Benson 1960-3-22 16010 Riverside Mouth of Snow Canyon, NW of Palm Springs, San Jacinto Mtns, Salton Sea Drainage, Colorado Desert. 564 Comment
  UC1124323  Eriodictyon crassifolium A. Lewis May 1934 451 Riverside w Long Canyon; Cleveland National Forest, Elsinore Quad. Comment
  UCR163814  Eriodictyon crassifolium John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 1 mile N of Squaw Mountain, 1.6 mi. NE of Tenaja Guard Station 716 Comment
  RSA601086  Eriodictyon trichocalyx A. C. Sanders, J. Goetzen 1996-5-1 18124 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  JOTR32451  Eriogonum angulosum Herskovits, Tasya 2011-9-28 1 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Keys View; Burn area on gentle rocky slopes 1582 Comment
  SBBG55325  Eriogonum apiculatum R. Moran 1973-7-28 21108 Riverside summit of Toro Pk 2500 Comment
  SBBG61840  Eriogonum apiculatum R. Hoffmann 1929-9-8 Riverside near Tahquitz Pk Comment
  SD115753  Eriogonum apiculatum Reid Moran 1973-7-28 21108 Riverside bare area at summit of Toro Peak, Santa Rosa Mts. 2500 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
  SD186293  Eriogonum elongatum var. elongatum T. B. Salvato, Melissa Clemons 2005-6-2 1335 Riverside Temescal Valley, Gavilan Hills, ca 0.5 mi SE of Steele Peak, 4 mi SW of Perris, and 6 mi NNE of Lake Elsinore, NW of Hwy 74 573 Comment
  JOTR30673  Eriogonum fasciculatum var. flavoviride Andre, Jim, Tasha La Doux 2008-3-21 8829 Riverside Joshua Tree National Park. Upper Cottonwood Cyn, approximately 2 mi. S. of Cottonwood Visitor's Center 880 Comment
  POM13746  Eriogonum fasciculatum var. foliolosum E. C. Jaeger 1921-7-15 1193 Riverside Soboba Hot Springs Comment
  SD229219  Eriogonum fasciculatum var. foliolosum Dick Schwenkmeyer 2012-10-16 850 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UCR268314  Eriogonum fasciculatum var. foliolosum Jim Andre 2012-6-15 30493 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  POM9567  Eriogonum fasciculatum var. foliolosum P. A. Munz, Harwood 1920-2-28 3257 Riverside 3 mi W. of Corona. 335 Comment
  CAS-BOT-BC250140  Eriogonum fasciculatum var. polifolium Munz; Street 1919-5-7 2745 Riverside Palm Springs 198 Comment
  RSA3336  Eriogonum fasciculatum var. polifolium H. de Forest, Jack Rempel 1933-6-25 s.n. Riverside Along road from Banning. Comment
  RSA509530  Eriogonum fasciculatum var. polifolium Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyon Road. 366 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
  POM2336  Eriogonum gracillimum Jenkins, Street 1917-5-30 1970 Riverside San Jacinto. Comment
  CAS-BOT-BC257573  Eriogonum inflatum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  CAS-BOT-BC257576  Eriogonum inflatum R. F. Hoover 1966-10-15 10168 Riverside Dead Indian Canyon Comment
  CAS-BOT-BC257582  Eriogonum inflatum G. B. Grant No date on label 6789 Riverside Palm Springs, Colorado Desert Comment
  UCR242665  Eriogonum nudum subsp. pauciflorum A. C. Sanders 2013-7-6 40853 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  JOTR35375  Eriogonum nudum var. pauciflorum Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. just east of Inspiration Point, localized population in canyon 1620 Comment
  RSA520944  Eriogonum nudum var. pauciflorum Steve Boyd, Dave Bramlet 1988-10-8 2867 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  CLARK-A1528-3691  Eriogonum plumatella John C. Roos 1943-10-17 2743 Riverside Morongo Valley Comment
  RSA676036  Eriogonum reniforme Scott D. White 2001-4-11 8292 Riverside Sonoran Desert: Indio Hills foothills / Coachella Valley. Northern terminus f Rio Del Sol Road, about 2 miles north of Thousand Palms. 146 Comment
  UC598736  Eriogonum reniforme John Bright 1936-4-21 12845 Riverside about 5 mi n Palm Springs; Colorado Desert Comment
  UCR35087  Eriogonum saxatile L. B. Ziegler 1975-5-1 540 Riverside San Jacinto Mtns., Pinyon Flats 1250 Comment
  CAS-BOT-BC168246  Eriogonum thomasii Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah De Groot; Valentin Arvizu; Tim Thibault 2004-5-14 11213 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road,... Comment
  CAS-BOT-BC263542  Eriogonum thomasii Ira L. Wiggins 1937-3-9 8758 Riverside 5 miles west of Shaver's Well Comment
  POM259944  Eriogonum thomasii P. A. Munz 1940-3-23 15669 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs. 610 Comment
  POM47240  Eriogonum thomasii Mary F. Spencer 1920-3-13 s.n. Riverside Mecca -60 Comment
  RSA339313  Eriogonum thomasii Robert F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54044 Riverside Along Whitewater River, E of bridge and levee. Comment
  SBBG121989  Eriogonum thurberi S. D. White with J. H. Jones 2005-5-24 11100 Riverside Banning Pass area; Cabazon, San Gorgonio River wash and adjacent alluvial flats and benches to west 573 Comment
  UC217964  Eriogonum thurberi P. A. Munz and I. M. Johnston 1922-5-19 5348 Riverside 5 mi ne Murietta 457 Comment
  UC310875  Eriogonum thurberi P. A. Munz 1925-5-20 9851 Riverside 2 mi e Aguanga Comment
  UCR174130  Eriogonum thurberi A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32610 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
  CAS-BOT-BC263595  Eriogonum trichopes Roxana S. Ferris 1918-6-14 972 Riverside Near Indian Wells Comment
  CAS-BOT-BC268189  Eriogonum umbellatum var. munzii Frank W. Peirson 1924-7-28 5014 Riverside Pine Flats Camp, San Jacinto Mts. 1798 Comment
  RSA242191  Eriogonum wrightii var. membranaceum James L. Reveal, Caroline G. Reveal 1972-8-9 2863 Riverside Highway 243, at the turnoff to Fern Basin, opposite Alandale Ranger Station, about 5.5 miles north-north-west of Idyllwild. Comment
  RSA420615  Eriogonum wrightii var. membranaceum Lester H. Cushman 1931-10 s.n. Riverside Mt. San Jacinto. 2134 Comment
  RSA771741  Eriogonum wrightii var. nodosum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4764 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
  UCR14059  Eriogonum wrightii var. nodosum O. F. Clarke 1973-10-14 s.n. Riverside San Jacinto Mtns., 1 mi east of Pinyon Flats Campground in the San Jacinto Mtns. Comment
  UC1133259  Erioneuron pulchellum H. S. Yates 1937-6-27 6724 Riverside Deep Canyon Thermal Quadrangle (head) Comment
  SD232180  Eriophyllum ambiguum var. paleaceum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10480 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-BC297346  Eriophyllum confertiflorum John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges: City of Murrieta, S of the Hogbacks. N of Hunter Rd to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Rd on the W 402 Comment
  CAS-BOT-BC297349  Eriophyllum confertiflorum B. Pitzer 1997-4-1 3051 Riverside Lakeview Mts, ca 0.75 air miles SSW of Mt Rudolph, ca 1 air mile NE of Contour (Juniper Flats) Rd 655 Comment
  OBI16503  Eriophyllum confertiflorum Dieter H. Wilken 1965-6-29 322 Riverside Poppet Flat along County rte 1, San Jacinto Mtns 1372 Comment
  POM357971  Eriophyllum confertiflorum Norman C. Cooper 1944-4-22 1123 Riverside Banning 701 Comment
  UCR177115  Eriophyllum confertiflorum Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1107 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  RSA594045  Eriophyllum confertiflorum var. confertiflorum D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0928 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
  SBBG54342  Eriophyllum confertiflorum var. confertiflorum C. Davidson 1978-6-15 7392 Riverside Santa Rosa Pk, trail to the top 2407 Comment
  POM31318  Eriophyllum multicaule Marcus E. Jones 1882-4-25 s.n. Riverside San Jacinto. Comment
  POM7015  Eriophyllum wallacei I. M. Munz, L. T. Street, Williams 1919-3-28 2389 Riverside San gorgonio Pass near Cabazon 543 Comment
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Mar 13 2011
  RSA757630  Eriophyllum wallacei LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4324 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA736645  Erodium botrys Scott D. White, Angelia Carey 2004-4-5 10030 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SD68945  Erodium brachycarpum Robert F. Thorne, E. Lathrop, et al. 1968-4-18 37435 Riverside Santa Rosa Plateau on Mesa de Colorado, Rancho California. 671 Comment
  UCR136250  Erodium brachycarpum A. C. Sanders 2004-4-20 27571 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  RSA390947  Erodium brachycarpum Christopher Davidson 1977-5-25 5644 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mountains. Southern California 701 Comment
  RSA741201  Erodium cicutarium Scott D. White, Justin M. Wood 2008-5-15 11969 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  UC1922059  Erodium cicutarium Scott D. White, Angelia Carey 2004-4-5 9984 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UC1930017  Erodium cicutarium Scott D. White, Justin Wood 2008-5-15 11969 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. Comment
  UCR41361  Erodium cicutarium N. M. Fellows 1985-3-3 89 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  RSA0021554  Erodium texanum Duncan S. Bell 2012-3-4 3138 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  RSA0020239  Erythranthe floribunda Steve Boyd 1991-6-8 6330 Riverside Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill N of Hwy 74 Comment
  RSA0020247  Erythranthe floribunda Mary F. Spencer 1921-6-15 1673 Riverside Idyllwild. 1616 Comment
  SD197926  Erythranthe guttata Mike Misenhelter 2005-6-8 Riverside Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Highway 243 and Marian View Dr. 1512 Comment
  UCR89834  Eschscholzia caespitosa Scott D. White 1993-5-27 1431 A Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  CAS-BOT-BC403360  Eschscholzia californica A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19869 Riverside Lake Skinner area: lower Rawson Canyon, just NE of the lake along the road. 457 Comment
  RSA433694  Eschscholzia californica N. C. Cooper 1945-5-24 1646 Riverside Big Oaks Canyon, Banning. 1220 Comment
  SDSU18719  Eschscholzia californica C. Matt Guilliams 2008-2-13 452 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. 410 Comment
  UC917873  Eschscholzia californica Frank W. Gould 1944-4-5 2224 Riverside 17 mi e Temecula Comment
  POM9229  Eschscholzia californica var. peninsularis I. M. Johnston 1920-5-8 2271 Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  CLARK-A1528-685  Eschscholzia minutiflora Fred B. Essig 1967-3-23 Riverside San Jacinto Mountains 914 Comment
  SEINET3094862 Image available Eschscholzia minutiflora Norman C. Cooper 1949-4-8 3243 Riverside Mecca Pass east of Indio. 610 Comment
  JOTR35290  Eschscholzia parishii Andre, Jim 2012-4-11 20783 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
  RSA799408  Eschscholzia parishii Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 738 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  UC855197  Eschscholzia parishii I. W. Clokey 1935-4-17 6631 Riverside Cottonwood Springs 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
  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
  RSA713798  Eucalyptus A. C. Sanders, Paul Moore 1991-7-25 11157 Riverside University of California Moreno Field Station, S of Alessandro Blvd & E of Lasselle,Moreno Valley. 488 Comment
  SDSU13824  Eucalyptus camaldulensis W. Miller with C. Mosse Riverside Comment
  HSC85458  Eucrypta chrysanthemifolia Steve Boyd 1986-4-2 1602 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR214147  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37711 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.3 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 405 Comment
  JEPS1721  Eucrypta chrysanthemifolia var. chrysanthemifolia W. L. Jepson 1901-6-1 21004 Riverside Riverside Comment
  UCR84886  Eucrypta chrysanthemifolia var. chrysanthemifolia A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16230 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  RSA627507  Euonymus occidentalis var. parishii Scott D. White 1998-7-31 6946 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  RSA76931  Euonymus occidentalis var. parishii F. W. Peirson 1924-7-27 4983 Riverside Dark Canyon, San Jacinto Mts. 1768 Comment
  SD211602  Euphorbia Louis C. Wheeler 1950-4-7 6759 Riverside Circa 3 miles West of Dale Lake, just West of two pumping plants on main 29 Palms - Amboy Road. Comment
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Aug 15 2012
  UCR239859  Euphorbia O. F. Clarke 2003-1 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR139628  Euphorbia albomarginata A. C. Sanders 2004-6-30 28390 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR171906  Euphorbia albomarginata John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  SEINET8043500 Image available Euphorbia eriantha Duncan S. Bell, Evan Meyer 2014-1 6517 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR256342  Euphorbia eriantha Duncan S. Bell 2011-12-30 3026 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  UCR260829  Euphorbia eriantha A. C. Sanders, Jim Malusa 2015-3-11 41397 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  POM96853  Euphorbia misera M. French Gilman 1926-5-9 A- 14 Riverside Whitewater Grade Comment
  UCR256713  Euphorbia ocellata var. arenicola Duncan S. Bell 2012-2-12 3111 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  POM48116  Euphorbia palmeri Mary F. Spencer 1919-6-27 1227 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA715103  Euphorbia polycarpa A. C. Sanders, Guy Bruyea 2004-4-2 27431 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  RSA717574  Euphorbia polycarpa A. C. Sanders 2004-2-6 27386 Riverside Foothills at edge of Temescal Valley, intact ridge at a development called Trilogy at Glen Ivy, south of Brown Canyon 442 Comment
  UCR102049  Euphorbia polycarpa B. G. Pitzer 1997-10-19 3353 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCR139613  Euphorbia polycarpa A. C. Sanders 2004-7-1 28384 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  UC1922388  Euphorbia setiloba Michael Honer with L. Hulse 2004-4-3 1910 Riverside Colorado Desert; Little San Bernardino Mountains Region: Rockhouse Canyon, approx. 2 mi N of intersection with Fargo Canyon. Comment
  UCD142866  Euphorbia setiloba G. L. Webster; R. Hildreth 1966-12-10 7462 Riverside Joshua Tree National Mon., Cottonwood Canyon. 701 Comment
  UCR26189  Euphorbia setiloba John C. Roos 1947-11-1 3756 Riverside Sonoran (Colorado) Desert, Eagle Mountains, edge of Lost Palms Wash Comment
  UCR74375  Euphorbia setiloba Theo Glenn 1991-5-2 91- 25 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  HSC24985  Fagonia laevis R. W. Spjut 1972-2-1 2158 Riverside Colorado Desert, along Eagle Mtn. Rd. near junction to Hwy. 10, 1 mi. W of Desert Center. 305 Comment
  JOTR16867  Fagonia laevis Vanderspek & Youse 1964-4-19 64516 Riverside Joshua Tree National Park. WILSON CANYON Comment
  RSA391200  Fagonia laevis P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Deep canyon wash. Comment
  RSA645670  Fagonia laevis Scott D. White 1999-4-20 7274 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  RSA796752  Fagonia laevis Jim Andre 2012-4-11 20841 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  UC519870  Fagonia laevis N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  UCR89547  Fagonia laevis George K. Helmkamp 1994-3-10 43- 3 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
  LA13119  Festuca myuros F. M. Reed; 1903-12-13 407 Riverside Box Spring Mountains, Footills Comment
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Sep 20 2013
  UCR102847  Festuca myuros A. C. Sanders 1997-3-26 20108 Riverside Lake Skinner area, NW foot of Tucalota Hills, shallow valley along dirt road 0.65 mi. east of main Lake Skinner road 457 Comment
  UCR21122  Festuca myuros A. C. Sanders, Steve Boyd 1980-5-19 1491 Riverside San Jacinto Mtns, Garner Valley. Meadow west of Kenworthy Ranger Station. 1375 Comment
  RSA0120329  Festuca octoflora Duncan S. Bell, Thomas Stoughton 2016-4-14 9289 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
  UCR2421  Festuca octoflora F. M. Reed 1906-3-13 904 Riverside Riverside, sec. 30 corner of Reserve Ranch, near east 8th St. 305 Comment
  UCR41250  Festuca octoflora N. M. Fellows, A. C. Sanders 1985-4-9 133 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA387345  Filago arizonica Steve Boyd 1986-5-7 1825 Riverside Temescal Canyon Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  RSA0012052  Filago californica Steve Boyd, Susan Jett 2008-3-20 11831 Riverside Peninsular Ranges: Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hwy Vehicle Area. Comment
  RSA336046  Filago californica R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52029 Riverside Chino Canyon Comment
  RSA561818  Filago californica Steve Boyd 1992-4-14 6824 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  RSA716822  Filago californica A. C. Sanders, Teresa B. Salvato, Mitch Provance 2003-4-4 25842 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCR137699  Filago californica D. L. Banks, V. W. Steinmann 1997-3-13 1513 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
  UCR167418  Filago californica John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  RSA777812  Filago depressa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 841 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  UCR37677  Filago depressa George K. Helmkamp 1984-5-5 E- 2 Riverside Transverse Range, Little San Bernardino Mountains, Big Morongo Canyon, 4 road miles below the caretaker's house at the Big Morongo Preserve 549 Comment
  CLARK-A1528-3286  Forestiera neomexicana John C. Roos 1965-7-25 Riverside San Jacinto Mountains Comment
  UCR124656  Forestiera pubescens B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1476 Riverside Gavilan Hills, Gavilan Peak, west of Perris 610 Comment
  CSUSB831  Fouquieria splendens Steve G. Nelson 1974-4-13 Riverside Highway 195, four miles southwest of junction with US Highway 10. Comment
  POM48951  Frasera parryi P. A. Munz, I. M. Johnston 1924-7-26 8720 Riverside Pine Flats Camp, San Jacinto Mtns. 1677 Comment
  RSA160521  Fraxinus dipetala J. D. Olmsted 1959-4-23 468 Riverside Spring Trail at Beacon Pines Ranch, 9 miles SW of Corona; Santa Ana Mts. Drainage area: Santa Ana river. 793 Comment
  RSA464919  Fraxinus dipetala E. Crow 1929-4-7 287 Riverside East end of Corona Skyline Drive, Santa Ana Mts. Comment
  SBBG15860  Fraxinus dipetala P. Kamb 1949-4-30 1405 Riverside Banning-Idyllwild Rd below Barton Lookout 1127 Comment
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May 24 2012
  SD143813  Fraxinus dipetala A. C. Sanders, P. MacKay, et al. 1997-5-4 20674 Riverside San Jacinto Mountains: North side of the range, 0.2 mile north of Twin Pines Ranch Road, on the dirt road to Brown Creek and Cabazon./ 1098 Comment
  UCR264473  Fraxinus dipetala S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1074 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, lower part of canyon, near Corona 427 Comment
  UCR252994  Fraxinus uhdei Fred T. Sproul, Julia Groebner 2014-7-21 6007 Riverside Santa Ana River at Norco 169 Comment
  CAS-BOT-BC211017  Fraxinus velutina A. C. Sanders; J. Goetzen 1996-5-1 18133 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning 915 Comment
  UCR13755  Fraxinus velutina var. coriacea N. R. Zabriskie, W. W. Zabriskie 1972-5-22 544 Riverside Santa Rosa Mtns., Cactus Spring Trail crossing of Horsethief Creek, tributary to Deep Canyon, N slope Santa Rosa Mts. 1098 Comment
  RSA765482  Funastrum cynanchoides var. hartwegii Doris Hoover Bowers 1972-4-15 1801 Riverside Pulgas Creek Canyon, Rancho California 396 Comment
  UCR89833  Funastrum cynanchoides var. hartwegii Scott D. White 1993-5-27 1430 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  RSA718571  Funastrum hirtellum Michael Honer, L. Hulse 2004-4-3 1890 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  UCR281020  Funastrum hirtellum Fred M. Roberts 2016-3-5 7999 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
  RSA700960  Galium andrewsii subsp. andrewsii Gary D. Wallace 1982-5-15 2007 Riverside Palms to Pines Highway (74), just E of Spring Crest. Comment
  CLARK-A1528-3945  Galium angustifolium Charles S. Papp 1964-6-6 507 Riverside Cleveland National Forest 853 Comment
  UCR158137  Galium angustifolium A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30119 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
  JEPS56080  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4258 Riverside 1 mi se Toro Peak ridge; Santa Rosa Mts. 2286 Comment
  RSA544389  Galium angustifolium subsp. angustifolium Steve D. Boyd, Tim S. Ross 1991-6-14 6404 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
  UCR107397  Galium angustifolium subsp. angustifolium B. G. Pitzer 1997-3-23 2955 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
  JOTR29519  Galium angustifolium subsp. gracillimum La Doux, Tasha 2005-11-21 1620 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Black Rock Springs area, near Warren Peak Comment
  UCR42483  Galium multiflorum P. J. Leary 1975-5-28 1210 Riverside Transverse Range, Little Berdoo triangulation station, 0.5 miles southwest of Bernard Peak, Joshua Tree National Monument 1616 Comment
  UC1979634  Galium porrigens var. porrigens D. L Banks, Steve Boyd 1995-3-15 0077 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  UCSB16318  Galium stellatum Winn, Will 1963-5-5 Riverside 5.7 miles NE of Pinyon Flats Campground 792 Comment
  POM99011  Galium stellatum E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  RSA0112043  Gaura A. C. Sanders, John F. Green 2012-5-27 40205 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  POM125121  Gayophytum diffusum subsp. parviflorum Mary F. Spencer 1921-7-9 1228 Riverside Tahquitz trail, Idyllwild. San Jacinto Mountains. 1829 Comment
  UCR92793  Gazania longiscapa Scott D. White 1994-3-29 1932 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  CAS-BOT-BC303581  Geraea canescens John Thomas Howell 1928-3-11 3433 Riverside 6 miles SE of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  JEPS15396  Geraea canescens Joseph and Hilda Grinnell 1937-11-30 1085 a Riverside 24 mi w of Blythe (Bed of Ford Dry Lake); Ford Dry Lake 106 Comment
  POM289783  Geraea canescens Lyman Benson 1933-3-31 4193 Riverside Salton Sea-Imperial Co. line. 61 Comment
  POM358669  Geraea canescens Hutchinson 1926-5-1 s.n. Riverside Palm Springs, Riverside County Comment
  RSA356746  Geranium dissectum Robert F. Thorne 1973-5-23 45515 Riverside Santa Rosa Plateau- Mesa de Colorado: stream N of mesa. Santa Ana Mountains 610 Comment
  CHSC8303  Gilia Edward L. Smith 1958-3-22 391 Riverside 6 mi. s of Rice. Near Priest's Well. Little Santa Maria Mts. 365 Comment
  RSA676046  Gilia Scott D. White 2001-4-17 8345 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
  UCR154400  Gilia A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16214 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  POM296769  Gilia angelensis Lyman Benson 1945-4-6 11657 Riverside Whitewater Canyon, 3 miles above Whitewater. 427 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
  SDSU3069  Gilia australis H. Wedberg 1962-4-20 907 Riverside About 1 miles SE of Pinyon Flats on road to Palm Springs. Comment
  UC908922  Gilia capitata subsp. abrotanifolia Herbert L. Mason 1926-5-2 3196 Riverside Temecula Valley Comment
  RSA470270  Gilia capitata subsp. abrotanifolia N. C. Cooper 1945-5-24 1625 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UC908898  Gilia diegensis Carl V. Meyer 1927-6-18 774 Riverside upper part Hemet Valley , Hemet Valley (San Jacinto Mountains) 1219 Comment
  RSA0054867  Gilia gilioides subsp. glutinosa Keith E. Hoffmaster 1937-6-6 780 Riverside San Jacinto Mts, along Palms to Pines road. Comment
  RSA0014599  Gilia latifolia Justin M. Wood, J. Miner 2010-4-30 1552 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  CAS-BOT-BC407807  Gilia ochroleuca subsp. exilis H. M. Hall 1902-4-1 2912 Riverside Vicinity of Winchester 365 Comment
  RSA0017088  Gilia ochroleuca subsp. exilis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4016 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA0016276  Gilia ochroleuca subsp. exilis I. W. Clokey, E. G. Anderson 1935-4-16 6831 Riverside East of Hemet. 600 Comment
  RSA779590  Gilia scopulorum Duncan S. Bell 2009-3-7 22 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  UCR19801  Gilia splendens W. W. Mayhew 1977-7-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  CHSC1254  Gilia stellata F. Hughes 1935-4-6 Riverside Colorado desert. Comment
  RSA67047  Gilia stellata Verne Grant, Alva Grant 1951-4-7 15986 Riverside Below Morongo Valley on road to White Water 732 Comment
  SEINET7063450  Gilia tenuiflora A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage on the East Benton Road. Tucalota Valley. UTM Zone 11, 501776mE, 3714976mN. (WGS84/NAD83). 556 Comment
  RSA0121577  Gilia virgata Reed 1903-7-5 s.n. Riverside Bluff's Ranch. Comment
  IRVC28172  Glinus lotoides A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27909 Riverside Alberhill Mtn., SE of old clay mining area. Peninsular Ranges 448 Comment
  CAS-BOT-BC174316  Glyceria declinata A. C. Sanders; S. Hawkins 1996-4-24 18088 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats 1160 Comment
  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
  CDA4145  Glycyrrhiza glabra K. E. Hoffmaster 1968-11-18 Riverside Coachella Valley near Mecca. 0 Comment
  POM1630  Glycyrrhiza lepidota Crawford, Johnston 1917-6-9 1228 Riverside Santa Ana River Comment
  POM17509  Glycyrrhiza lepidota P. A. Munz 1923-6-18 7132 Riverside Temecula Canyon. Comment
  RSA0028237  Gnaphalium John F. Emmel 1988-4-23 1082 Riverside Riverside/San Bernardino County Line. Joshua Tree National Monument; wash 0.2 air mile NE to 1.2 air mile NNE of summit of Negro Hill, at NE end Queen Valley. 1363 Comment
  RSA463721  Gnaphalium beneolens B. Pitzer, Jack Easton 1987-3-10 398 Riverside Anza area, hills S of Thomas Mtn., ca. 3 mi E of town of Anza on N side of Hwy 371. 1341 Comment
  RSA666648  Gnaphalium californicum A. C. Sanders, Kent Beaman 2002-5-10 25045 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  UCR138599  Gnaphalium canescens subsp. beneolens D. L. Banks 1996-11-7 1211 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, 1.6 km east of the roads crossing with Pechanga Creek on the N fork of the creek, at the E end of the Reservation 415 Comment
  UC1979606  Gnaphalium luteoalbum D. L Banks, Steve Boyd 1995-5-17 0463 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. Comment
  UCR147705  Gnaphalium luteoalbum Steve Boyd, Aydee Virgen 2004-4-13 108665 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  RSA234064  Gnaphalium palustre R. F. Thorne, E. W. Lathrop 1969-5-19 37970 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado. 625 Comment
  RSA617821  Gnaphalium palustre R. E. Riefner 1998-4-22 98 -292 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  UCR75535  Gnaphalium palustre A. C. Sanders 1993-5-12 14011 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  UCR90309  Gnaphalium palustre F. M. Reed 1922-5-17 4748 Riverside Sonoran (Colorado) Desert, east of Palm Springs 152 Comment
  UCR20734  Gnaphalium stramineum A. C. Sanders, Steve Boyd 1980-5-2 1404 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR90364  Gnaphalium stramineum Scott D. White 1995-6-30 3425 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UCR92794  Gnaphalium stramineum Scott D. White, M. Wilcox 1995-7-11 3466 Riverside Peninsular Range; Santa Ana Mtns., upper forks of Decker Canyon, SW of Main Divide Truck Trail 730 Comment
  RSA0112993  Gnaphalium thermale P. A. Munz, I. M. Johnston 1924-7-28 8807 Riverside Pine Flats, San Jacinto Mts. [original label says San Diego Co.] 1738 Comment
  CAS-BOT-BC304635  Gutierrezia californica Lewis S. Rose 1966-12-14 66110 Riverside Chino Canyon, 3 mi. w. of Palm Springs 670 Comment
  UCR235216  Gutierrezia californica A. C. Sanders, John F. Green 2012-6-1 40242 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  UCR114757  Harpagonella palmeri Scott D. White, D. E. Bramlet 1999-4-22 7238 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR230058  Harpagonella palmeri Tara Schoenwetter 2011-5-27 s.n. Riverside Peninsular Range, Alberhill, off Lake St. at Alberhill Mountain, N of Coal Ave./Nichols Rd. extension 429 Comment
  UCR90410  Harpagonella palmeri D. L. Banks, Steve Boyd 1995-5-9 0316 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 732 Comment
  RSA0066613  Harpagonella palmeri F. W. Peirson 1922-5-19 3029 Riverside 2.5 miles NE of Murrieta on the road to Perris. Comment
  UCR128914  Hedypnois cretica A. C. Sanders, Mitch Provance 2001-4-5 23914 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  POM14291  Helenium bigelovii E. C. Jaeger 1922-8-25 1008 Riverside San Jacinto Mtns: Skunk-Cabbage Meadow. 2226 Comment
  RSA2830  Helianthemum scoparium var. aldersonii J. T. Howell 1928-7-8 1046 Riverside Santa Ana Mountains above Glen Ivy 1220 Comment
  UC62874  Helianthus californicus H. M. Hall 1901-7-1 2612 Riverside vicinity of Strawberry Valley (streams); San Jacinto Mountains 1584 Comment
  CDA6474  Helianthus gracilentus F. J. Willmarth 1961-5-26 Riverside Along Cherry Ave, north of Cherry Valley, Beaumont District. 0 Comment
  SBBG81104  Helianthus gracilentus N. M. Fellows, A. C. Sanders 1985-5-7 177 Riverside Oasis de los Osos Preserve, off Snow Crk Cyn at the N foot of the San Jacinto Mtns, 1 mi W of Snow Crk Village 487 Comment
  UCR98056  Heliotropium convolvulaceum 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
  SEINET1909912  Hemizonia fasciculata T. B. Salvato, Melissa Clemons 2005-1 1290 Riverside Peninsular Range; temescal Valley: Aberhill, intersection of Lake Street and Walker Canyon Drive, N of Hwy 1-15, at base of Walker Canyon (Alberhill 7.5' Q.) 378 Comment
  UCR120545  Hemizonia kelloggii D. E. Bramlet 2000-8-30 3076 Riverside Perris-Aguanga Basin region, Shipley Reserve, ephemeral drainage 213 m south of Auld Valley Creek and 915 m east of Bachelor Mtn. access road 451 Comment
  RSA683236  Hemizonia paniculata Scott D. White 2003-12-1 9890 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  SEINET2047161 Image available Hemizonia paniculata Howard Scott Gentry 1948-7-20 8177 Riverside Gentry Farm, ca. 3 mi NE of Murrieta. Comment
  UCR159089  Hemizonia paniculata David Charlton 2005-8-10 s.n. Riverside Perris-Aguanga Basin Region, Perris, SW corner of Perris Valley Airport, corner of Mapes Rd. and Goetz Rd. 430 Comment
  UCR258629  Hemizonia paniculata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-6-2 8061 Riverside Peninsular Range; Perris-Aguanga Basin, rolling hills just north of Franklin Street between Miramar and Channing Way, c. 1 mi northeast of Lake Elsinore 429 Comment
  RSA805  Hemizonia pungens subsp. laevis J. T. Howell 1928-7-9 1076 Riverside 2 miles south of Murrieta. 305 Comment
  UCR202221  Hemizonia pungens subsp. laevis 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
  UCR66977  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-26 2062 Riverside Peninsular Range, Murrieta Creek at the Rancho California Street bridge in Temecula, W side of creek, just east of Diaz Rd & within the creek channel 330 Comment
  UCR90603  Hemizonia pungens subsp. laevis Scott D. White 1995-6-29 3395 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA0026165  Hesperocallis undulata Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17707 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 6 kilometers ENE of north end of the Mule Mountains. Comment
  SD240777  Hesperocyparis forbesii A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39925 Riverside Peninsular Range: Santa Ana Mountains: near Sierra Peak on dirt road (Leonard Road) from Skyline Drive, c. 1/4 mile east of the Orange C. line (Black Star Canyon 7.5'Q) 883 Comment
  SD138018  Heterocodon rariflorum Darin L. Banks, Steve Boyd 1995-3-30 118 Riverside Cleveland National Forest; Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, west of the Dripping Springs Alcove. 710 Comment
  UCR177705  Heteromeles arbutifolia var. cerina Michael Wall 1996-1-5 117 Riverside Peninsular Range; San Jacinto Mtns., southeast of Hemet along Bautista Canyon Rd, south of Hwy 74, 6.3 mi SE of Fariview Avenue. 610 Comment
  RSA0074601  Heterotheca fastigiata Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5012 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  RSA0075893  Heterotheca grandiflora Patricia Wilder 1971-9-29 5260 Riverside Base of San Jacinto. Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. 518 Comment
  SD187351  Heterotheca sessiliflora subsp. echioides Scott D. White 2004-9-16 10755 Riverside San Jacinto Mountain foothills: Along Poppet Creek northeast of San Jacinto River. 561 Comment
  UC1518828  Heterotheca sessiliflora subsp. fastigiata Robert F. Thorne, Kay L. Wright and Richard K. Benjamin 1982-10-8 55400 Riverside 3.3 mi n Whitewater Post Office (side-canyon on w side of Whitewater Canyon); San Bernardino Mts., Whitewater Canyon 594 Comment
  JEPS44370  Heuchera hirsutissima Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4252 Riverside ne side Toro Peak; Santa Rosa Mts 2499 Comment
  UC858011  Heuchera hirsutissima P. A. Munz 1922-7-7 6044 Riverside San Jacinto Peak 3285 Comment
  RSA0124820  Hibiscus denudatus Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8752 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  RSA734955  Hibiscus denudatus Keith E. Hoffmaster 1935-3-31 595 Riverside Palm Springs Comment
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Aug 27 2011
  UCR74358  Hibiscus denudatus Theo Glenn 1991-4-30 91- 56 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  UCR282317  Hilaria rigida Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel, Jackie McConnaughy 2011-3-23 803 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 396 Comment
  CAS-BOT-BC207515  Hoffmannseggia glauca H. M. Hall 1905-4-20 5829 Riverside Colorado Desert, Coachella 20 Comment
  CAS-BOT-BC207575  Hoffmannseggia microphylla S. B. Parish 1896-4-1 4114 Riverside Palm Springs, Colorado Desert Comment
  SD49373  Hoffmannseggia microphylla Thomas W. Whitaker 1958-4-30 Riverside Box Canyon, midway between Mecca & Shaver's Well, in gravelly soil Comment
  SEINET953937  Hoffmannseggia microphylla Unknown 1930-1 190 Riverside Near Shave's Well. Comment
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Aug 4 2013
  UCSB18869  Hoffmannseggia microphylla Winn, Will 1963-2-23 Riverside Ladder Canyon, 9 miles E of Mecca, Coachella Valley 213 Comment
  UCSB3085  Hoffmannseggia microphylla Haller, John 1958-3-22 Riverside Near U.S. Highway 60-70, 7.8 miles east of junction with U.S. Highway 99, near Indio 304 Comment
  POM261673  Hoita macrostachya W. Pequegnat 1941-6-13 s.n Riverside Trabuco Canyon Comment
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Jun 23 2012
  UCSB37863  Holocarpha virgata Clarke, Oscar 1971-11-14 Riverside Mesa de Colorado on the Santa Rosa Plateau, near Santa Rosa Ranch; ~8 mi. West of Murietta; just N of San Diego County line 626 Comment
  POM229707  Hordeum brachyantherum subsp. californicum P. A. Munz 1937-5-27 14936 Riverside Overflow from Lake Elsinore. Comment
  RSA596934  Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones, D. Malueng 1996-4-20 18042 Riverside San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel., (33 deg 49'N, 117 deg 09'W 433 Comment
  SD126613  Hordeum murinum subsp. glaucum Ed LaRue 1989-4-14 Riverside Old agricultural fields 1/2 mi. S of Lakeview. 456 Comment
  UCR95589  Hordeum vulgare var. trifurcatum D. L. Banks, Rashmi Pant 1996-5-13 1026 Riverside Agua Tibia Mtns, NW Palomar Mtns; Hwy 79, at the entrance of the Dripping Springs Campground 476 Comment
  POM15063  Horkelia clevelandii Mary F. Spencer 1919-6-19 1202 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR178332  Hulsea heterochroma Mitch Provance, Tracy Tennant 1998-6-16 MOR- 443 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon 823 Comment
  UC456022  Hulsea vestita subsp. callicarpha I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  UCR110974  Hulsea vestita subsp. callicarpha George K. Helmkamp 1998-6-27 4114 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UCR114629  Hulsea vestita subsp. callicarpha G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  UCR95940  Hulsea vestita subsp. callicarpha Scott D. White 1996-8-1 4436 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA234092  Hydrocotyle ranunculoides R. F. Thorne, E. W. Lathrop 1969-6-6 39347 Riverside Santa Rosa Plateau: Ranch California; along small stream. 610 Comment
  POM12643  Hypericum androsaemum P. A. Munz 1922-7-6 5998 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA507508  Hypochaeris glabra Steve Myers 1988-6-4 s.n. Riverside Rancho California area, E of Winchester Road, between Auld Rd. & Borel Rd 396 Comment
  UCR126384  Hypochaeris glabra A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 693 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  HSC87130  Hyptis emoryi Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2102 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  PASA1158  Hyptis emoryi 1930-3-30 Riverside Painted Canyon Comment
  POM118341  Hyptis emoryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA20010  Hyptis emoryi I. W. Clokey 1935-4-17 6866 Riverside Colorado Desert. Shafer [Shavers] Wells - Cottonwood Springs. 25 Comment
  UCD124926  Hyptis emoryi C. W. Tilforth 1967-2-12 111 Riverside Painted Canyon, east of Mecca. Colorado Desert. Comment
  UCR104802  Hyptis emoryi George K. Helmkamp 1998-2-5 2649 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  SEINET10498863  Hyptis emoryi David B. Dunn 1947-2-9 Dunn 2855 Riverside Pushawalla canyon, indio hills. In dry wash bed. Comment
  SEINET3154033  Isomeris arborea L. S. Rose 1936-12-25 36819 Riverside Palm Springs 139 Comment
  UCR22501  Isomeris arborea var. arborea C. S. Jones 1979-2-24 8 Riverside Sonoran (Colorado) Desert, 4 miles southeast of Eagle Mountain., near old Eagle Mtn. Road 305 Comment
  JEPS11392  Jepsonia parryi H. M. Hall 1896-12-12 345 Riverside Winchester Comment
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Mar 20 2011
  POM265663  Jepsonia parryi J. C. Roos 1937-11-23 2295 Riverside La Sierra. Comment
  UCR101547  Jepsonia parryi A. C. Sanders 1997-3-19 20024 Riverside Lake Skinner area, hills at east foot of Bachelor Mtn., 0.5 km north of NE arm of lake, small canyon at N foot of 1700 ft. hill 488 Comment
  RSA0011156  Juglans A. C. Sanders, T. B. Salvato 2003-5-21 26783 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  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
  RSA386938  Juncus bufonius K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 913 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA544434  Juncus bufonius Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6341 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  RSA725742  Juncus bufonius Mitch Provance 2005-5-18 9806 Riverside Warm Springs Valley: Nichols road wetland area at Alberhill Creek, S of the I-5 freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore. 396 Comment
  SEINET3150744  Juncus bufonius H. M. Hall 1904-5-10 4954 Riverside Fremont Park 244 Comment
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Mar 15 2014
  UC1601697  Juncus bufonius H. M. Hall Jun 1901 2076 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1402 Comment
  SD90604  Juncus bufonius var. occidentalis Robert F. Thorne, Earl Lathrop 1969-5-12 37924 Riverside Santa Rosa Plateau, large vernal marsh on south end of Mesa de Colorado, Rancho California. In wet mud and shallow water at northern margin. Comment
  UCR178157  Juncus dubius John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  RSA552486  Juncus macrophyllus Steve Boyd, Timothy S. Ross 1992-2-21 6668 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  UC729844  Juncus macrophyllus Carl B. Wolf 1932-8-5 3940 Riverside along trail from Tauquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  SD185070  Juncus rugulosus T. B. Salvato, Melissa Clemons 2005-6-23 1317 Riverside Temescal Valley, 3.0 m iles northwest of Alberhill, Temescal Canyon Road at Corona Lake. 353 Comment
  UCR164569  Juncus textilis S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  CHSC23326  Juncus tiehmii Robert F. Thorne; J. P. Simon, C. W. Tilforth 1969-6-24 38115 Riverside San Bernardino National Forest, San Jacinto Mts.: Above James Reserve in Hall Canyon. 1676 Comment
  RSA368388  Juncus xiphioides L. C. Wheeler 1933-12-2 2320 Riverside U.S. 99, 2 miles NW Whitewater Station 366 Comment
  JOTR30097  Juniperus californica La Doux, Tasha, Alice Miller 2007-5-8 1736 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common. 1385 Comment
  RSA496127  Juniperus californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3006 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  UCR11  Juniperus californica Eugene Cardiff 1950-2-19 s.n. Riverside Santa Rosa Mtns., Palms-to-Pines Hwy. [near Pinyon Flats] 1372 Comment
  CHSC90  Justicia californica V. Holt 1935-4-1 Riverside Near Palm Springs. 304 Comment
  RSA736987  Justicia californica Jim Andre, T. La Doux 2008-3-21 8828 Riverside JTNP: Upper Cottonwood Cyn, approx. 2 mi. S. of Cottonwood visitor s center. 881 Comment
  UC665866  Justicia californica Ira L. Wiggins 1941-3-27 9689 Riverside 9 mi. w. Desert Center Comment
  UCR4001  Justicia californica Val Chase 1965-2-22 10 b Riverside Western Colorado Desert, 1 mi. north of Palm Canyon on the road to downtown Palm Springs, 'el. 1000 ft. 183 Comment
  RSA0062479  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40409 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction. 124 Comment
  RSA424820  Keckiella antirrhinoides Gale Sphon 1955-4-2 s.n. Riverside Perris. Comment
  RSA666638  Keckiella antirrhinoides A. C. Sanders, Mark A. Elvin, Julie Vanderwier 2002-4-22 25000 Riverside The Badlands: summit of Mt. Eden, SW of Beaumont. 686 Comment
  UCD123747  Keckiella antirrhinoides A. C. Sanders; T. B. Salvato 2000-5-25 23430 Riverside Menifee Valley. south of Newport Rd., north of Holland Rd., and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake. 439 Comment
  UCR137049  Keckiella antirrhinoides A. C. Sanders 2004-5-5 27764 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
  JOTR31063  Keckiella antirrhinoides var. microphylla La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2045 Riverside Joshua Tree National Park. Little San Bernardino Mountains, above Lower Covington Flats; STOP 2: steep rocky canyon heading up to west side of Quail Mountain region Comment
  RSA543938  Keckiella cordifolia Steve D. Boyd 1991-5-10 6216 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  POM10203  Keckiella rothrockii subsp. jacintensis Charlotte M. Wilder s.n. Riverside Dry hills beow Tahquitz. Comment
  RSA0019430  Keckiella ternata subsp. ternata R. M. Straw 1953-6-24 477 Riverside Idyllwild-Banning Rd., 6.5 mi. S. of Banning. 1143 Comment
  CAS-BOT-BC273673  Koeleria pyramidata H. M. Hall 1901-6-1 2376 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  UC123725  Kopsiopsis strobilacea F. M. Reed 1908-7-14 2535 Riverside San Jacinto Mountains. South side of Tahquitz. 2133 Comment
  SD8510  Krameria bicolor Parish Apr 1882 Riverside Agua Caliente Comment
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Jul 16 2010
  CAS-BOT-BC43703  Krameria erecta F. H. Billings 1931-4-13 s.n Riverside Palm Springs Comment
  JOTR31217  Krameria erecta La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2002 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 1) sparsely vegetated desert pavements below sand ramps 335 Comment
  RSA714018  Kyllinga brevifolia R. E. Riefner 2004-9-25 4 -443 Riverside City of Corona; Grenn River Rd. ca 0.8 mi S of 91 Freeway overpass, Green River Golf Course at Santa Ana River. 153 Comment
  UC76422  Laennecia coulteri Miss M. Alice King 1892-12-1 Riverside JPNI describes Menifee: (w Riverside Co, valley n of Paloma Valley) Menifee Comment
  POM259715  Langloisia setosissima subsp. punctata P. A. Munz 1940-3-23 15671 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs 610 Comment
  SD225025  Laportea ovalifolia A. C. Sanders 1995-11-30 17926 Riverside Riverside: week in the UCR Botanic Garden. 365 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
  RSA699275  Larrea tridentata W. Marquart 1938-3-12 s.n. Riverside Along road to Wiley's Well. Southwest of Blythe. Comment
  VVC519  Larrea tridentata W. W. Mayhew 1959-2-3 s.n. Riverside Colorado Desert, 10 miles east of Desert Center. 198 Comment
  RSA662182  Larrea tridentata var. tridentata Anne Greenberg 1981-5-17 105 Riverside Palm Desert, Hwy 74, 5 iles N of Hwy 111. Comment
  JEPS48952  Lastarriaea coriacea W. L. Jepson 1935-4-21 17160 Riverside Aguanga; near branch road to Pines 603 Comment
  CLARK-A1528-1978  Lasthenia chrysostoma John C. Roos 1952-5-21 5706 Riverside San Jacinto River 426 Comment
  POM305812  Lasthenia coronaria Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1047 Riverside Corona-Elsinore. Comment
  UC63215  Lasthenia coronaria H. M. Hall 1903-4-1 3833 Riverside vicinity of Riverside 365 Comment
  UCR109450  Lasthenia coronaria A. C. Sanders 1995-4-13 16510 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  UCR142209  Lasthenia coronaria June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  POM13859  Lasthenia glabrata subsp. coulteri P. A. Munz 1922-4-29 5078 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA609945  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1995-6-8 2431 Riverside San Jacinto Wildlife Area, Lovell Unit. The population is located in the berms & within the old duck ponds. The site is located 1.71 km East of Davis Road and 46 m south of the existing access road., The size is 640 m. N of the Jan Jacinto River channel. 435 Comment
  POM13209  Lasthenia gracilis P. A. Munz, I. M. Johnston 1920-5-20 5452 Riverside Hemet Valley, San Jacinto Mts 1372 Comment
  RSA192189  Lasthenia gracilis E. W. Lathrop 1966-3-20 6057 Riverside 3 miles W of Murrieta Comment
  UCR183335  Lasthenia gracilis Mitch Provance 2003-4-26 9881 B 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
  UCR232787  Lasthenia gracilis John F. Green 2008-4-16 0408- 32 Riverside Peninsular Range; Perris-Aguanga Valley, SE of Romoland, powerline route north of McLaughlin Rd. near Palomar Rd. 445 Comment
  UCR160687  Lathyrus vestitus 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
  RSA612488  Lathyrus vestitus subsp. alefeldii D. L. Banks 1997-2-23 1329 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UC1563034  Layia platyglossa Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-18 2985 Riverside Temecula Creek Cyn below Vail Lake dam; Vail Lake area, Temecula Creek Cyn below Vail Lake dam 417 Comment
  UCR3424  Layia platyglossa John Kitasako 1964-5-10 45268 Riverside Peninsular Range; San Jacinto Mtns., Hemet Valley, 6 mi SE of Hemet Reservoir 1372 Comment
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Jan 7 2013
  RSA234058  Layia platyglossa subsp. campestris R. F. Thorne, E. W. Lathrop 1969-5-12 37946 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  UCR34906  Layia platyglossa subsp. campestris L. B. Ziegler 1967-2-20 109 Riverside San Jacinto Valley, N of Lakeview 457 Comment
  SD6338  Lemna Unknown 1881-5-13 Riverside Temecula. Comment
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Mar 27 2011
  RSA180477  Lemna minuta E. W. Lathrop 1960-6-9 4989 Riverside 14 miles west of Murrieta. Comment
  RSA660539  Lepechinia cardiophylla Orlando Mistretta 1992-6-10 516 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  SD114969  Lepechinia cardiophylla M. Kottman 1982-5-17 Riverside Junction of Indian Truck Trail and North Main Divide; Santa Ana Mountains. Comment
  POM307345  Lepidium fremontii Henry J. Ramsey, Henry J. Ramsey 1939-11-28 1939 Riverside 20 miles E of Indio. Comment
  UCR25952  Lepidium lasiocarpum John C. Roos 1947-2-15 3237 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, south face of Eagle Mtns., west of Hayfield Dry Lake 997 Comment
  UCR72206  Lepidium lasiocarpum Theo Glenn 1992-3-31 92 2 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  POM93985  Lepidium lasiocarpum Marcus E. Jones 1926-2-19 s.n. Riverside West of Indio, Riverside County Comment
  CAS-BOT-BC60109  Lepidium virginicum var. menziesii A. C. Sanders 1998-1-15 21632 Riverside Lake Skinner area. Black Mountain, along road up north side. 884 Comment
  UCR24921  Lepidium virginicum var. pubescens A. C. Sanders 1980-7-18 1656 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR92244  Lepidium virginicum var. pubescens Scott D. White 1995-8-23 3579 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UCR280975  Lepidium virginicum var. robinsonii Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 75 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  CAS-BOT-BC329439  Lepidospartum squamatum John Thomas Howell 1927-8-1 2905 Riverside Lower part of Morongo Canon, N Colorado Desert 609 Comment
  CAS-BOT-BC274021  Leptochloa fusca subsp. uninervia Lewis S. Rose 1957-1-3 57008 A Riverside La Quinta 15 Comment
  RSA784194  Leptochloa fusca subsp. uninervia J. D. Olmsted 1959-9-23 1014 Riverside Mt. Range NW of Lakeview Mts. Drainage area to Lake Elsinore. San Jacinto River crossing by Lakeview Rd from US 395 427 Comment
  UCSB45529  Leptochloa fusca subsp. uninervia Roos, John; Roos, Lucille 1951-10-24 Riverside Flats between Arlington and Pedley 228 Comment
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Apr 2 2011
  RSA36204  Leptosiphon androsaceus Frank W. Gould 1943-4-18 2149 Riverside On steep grassy slopes 1 mile west of Banning; foothills of the San Jacinto Mountains. Comment
  RSA0123704  Leptosiphon floribundus subsp. hallii Duncan S. Bell, Thomas Stoughton 2016-4-12 9238 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
  RSA74294  Leptosiphon lemmonii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UC310390  Lesquerella tenella Edmund C. Jaeger 1926-3-24 Riverside Pinto Valley; eastern Riverside Co. Comment
  UCR106346  Lessingia filaginifolia John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR145969  Lessingia filaginifolia var. filaginifolia June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  CDA20358  Lessingia glandulifera B. Blong 1958-9-12 s.n. Riverside Southern California; Garner Valley. 0 Comment
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Oct 24 2011
  UCR177419  Lessingia glandulifera var. glandulifera Scott D. White 2003-10-9 9822 Riverside San Jacinto Mountains, Pine Cove area, Dutch Flat 1753 Comment
  UCR92299  Lessingia glandulifera var. glandulifera Scott D. White 1995-8-23 3592 Riverside San Jacinto Valley, San Jacinto River wash, just north of Florida Avenue (City of Hemet), near intersection with Schultz Rd. 549 Comment
  RSA544406  Leymus triticoides Steve Boyd, Timothy S. Ross 1991-6-14 6374 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  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
  UCR222297  Lilaea scilloides R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55205 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  RSA0019477  Linanthus arenicola J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24385 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  RSA791484  Linanthus bigelovii J. Andre, T. La Doux, R. B. Kelley 2011-5-4 21078 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  UCR151098  Linanthus ciliatus Scott D. White, Julie Greene 1998-8-1 6975 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  UCR279327  Linanthus jonesii A. C. Sanders, Jim Malusa 2017-3-23 42915 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  JEPS58458  Linanthus lemmonii W. L. Jepson 1901-5-19 1296 Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  UCR25033  Linanthus lemmonii A. C. Sanders 1980-7-22 1736 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  UCR62097  Linanthus lemmonii G. R. Ballmer 1990-5-6 s.n. Riverside Vicinity of Crown Valley: south of Domenigoni Valley & N (&W) of Rawson Canyon, where a little road goes into hills from Newport Road. 549 Comment
  SBBG89086  Linanthus pungens subsp. hallii D. Charlton 1988-5-28 2135 Riverside S of St Hwy 74, dirt Rd to Toro and Santa Rosa Pk; Toro Camp Area 2286 Comment
  UCR220320  Linaria canadensis var. texana John F. Green 2005-3-7 s.n. Riverside Peninsular Range, Wildomar, west of Grand Ave off Sweet Nectar Rd. 415 Comment
  UCR22076  Linaria canadensis var. texana Steve Boyd 1980-5-3 188 Riverside Harford Springs Co. Park, NW corner of the Gavilan plateau. N end of the juniper grove Comment
  UCR162547  Lobularia maritima S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  UCR116784  Loeflingia squarrosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24164 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
  RSA0117759  Loeseliastrum schottii Sarah J. J. De Groot 2005-5-16 4966 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave., Desert Hot Springs area, vicinity of Morongo Creek. 495 Comment
  SD259047  Loeseliastrum schottii Sarah J. De Groot 2005-5-16 4966 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave. Desert Hot Springs area, vicinity of Morongo Creek. 495 Comment
  UCR260861  Loeseliastrum schottii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41485 Riverside San Gorgonio Pass, 3.15 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 449 Comment
  RSA0081258  Loeseliastrum schottii Harold Lint 1958-5-25 2042 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  RSA747282  Logfia filaginoides Orlando Mistretta 1992-6-10 529 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  UC170149  Logfia filaginoides Charlotte M. Wilder 1912-4-9 1300 Riverside ridge n Wilder's; Jurupa Hills Comment
  UC2015535  Logfia filaginoides A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16158 Riverside Coachella Valley/San Jacinto Mtns. Foothills, alluvial fan of Chino Canyon along the Palm Springs tram road, N of the road 14 telephone poles above Highway 111 (Palm Canyon Dr.). Comment
  UCR87936  Logfia filaginoides A. C. Sanders, Nancy Ferguson 1994-6-2 14633 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  SDSU12928  Logfia gallica Jutta Buschbom 1991-6-1 16 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  SDSU13914  Logfia gallica Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2135 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR160934  Lomatium A. C. Sanders 1994-5-30 14598 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA0105316  Lomatium lucidum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4039 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  POM13704  Lomatium mohavense subsp. longilobum P. A. Munz, I. M. Johnston 1922-5-21 5501 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  UCR126367  Lomatium utriculatum A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 675 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA680835  Lonicera subspicata var. denudata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8666 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA90331  Lotus argophyllus subsp. decorus F. W. Peirson 1921-3-19 2367 Riverside Whitewater Point, head of Coachella Valley Comment
  RSA406723  Lotus argophyllus var. argophyllus E. A. Zumbro 1902-4-10 s.n. Riverside Box Springs Mountain, near Riverside Comment
  RSA615140  Lotus argophyllus var. argophyllus A. C. Sanders, O. F. Clarke, H. Forster 1997-3-2 19765 Riverside Box Springs Mountains E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  RSA722995  Lotus grandiflorus var. grandiflorus M. Wall 2007-7-6 434 Riverside San Jacinto Valley at sharp bend in Bautista Canyon Rd. 3.1 miles SE of jct. with Fairview Ave. 671 Comment
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Dec 22 2018
  RSA689499  Lotus hamatus Scott D. White 2001-4-19 8388 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  UCR214887  Lotus hamatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37673 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
  UCR43283  Lotus heermannii B. A. Carlson 1986-4-10 s.n. Riverside Upper Coachella Valley, floodplain of the Whitewater River at field of wind turbines among settling ponds west of Indian Avenue near Hugo Siding on S.P.R.R. 244 Comment
  RSA792924  Lotus humistratus A. C. Sanders 2011-4-7 39033 Riverside Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCR192721  Lotus purshianus A. C. Sanders, Mike Misenhelter 2008-6-10 35454 Riverside San Bernardino Valley, Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel 231 Comment
  POM259687  Lotus rigidus P. A. Munz 1940-3-23 15717 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  RSA697973  Lotus rigidus J. R. Bruff 1927-11-26 39 Riverside Cottonwood Springs vicinity. Comment
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Jul 7 2012
  UCSB16928  Lotus rigidus Dennis E. Breedlove 1962-3-11 1893 Riverside collected 8.0 mi SW, along State Highway 74 Palm Desert - Palm Desert and State Highway 74 640 Comment
  UC310841  Lotus salsuginosus Philip A. Munz 1925-5-20 9831 Riverside 2 mi w Dripping Spring 426 Comment
  RSA342558  Lotus scoparius R. F. Thorne 1980-5-28 54204 Riverside San Bernardino Mtns: 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
  RSA498847  Lotus scoparius var. scoparius G. R. Johnstone 1934-3-27 18576 Riverside Near Wildomar. Inland route to Temecula. Comment
  UCR270748  Lotus scoparius var. scoparius T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8365 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
  JEPS55808  Lotus strigosus H. M. Hall 1905-4-22 5853 Riverside Canyon Springs Colorado Desert Comment
  RSA571289  Lotus strigosus Steve Boyd, Darin Banks 1994-4-5 8269 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. Comment
  RSA586300  Lotus strigosus D. L. Banks, S. D. Boyd 1995-5-3 0211 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
  UCR100870  Lotus strigosus George K. Helmkamp, E. A. Helmkamp 1998-2-18 2704 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  RSA779021  Lotus strigosus var. strigosus Duncan S. Bell 2010-4-1 653 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  RSA406377  Lotus tomentellus M. B. Dunkle 1933-5-6 3447 Riverside Painted Canyon. Comment
  UCR52010  Lotus tomentellus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2184 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  HSC92616  Lotus unifoliolatus var. unifoliolatus F. C. Vasek 1964-7-19 6407193 Riverside At Pine Cove, NW of Idyllwild Comment
  RSA525445  Lotus wrangelianus Steve Boyd, David E. Bramlet 1990-4-29 4490 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA0042691  Lupinus Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1704 Riverside Cabazon. Comment
  NY43295  Lupinus arizonicus C. R. Annable 1995-3-12 2272 Riverside Box Canyon Wash, Hwy 195 Comment
  POM349946  Lupinus arizonicus L. N. Goodding 1942-2-26 s.n. Riverside Indio region Comment
  RSA444313  Lupinus arizonicus Walter Wisura 1988-3-1 4183 Riverside Frontage Road, off I-10, near pumping station in Pinkham Wash area. Comment
  UCR41601  Lupinus arizonicus A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6022 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  UCSB3262  Lupinus arizonicus Bobkowski Jr., Vincent 1960-4-1 Riverside At intersection of U.S. 60-70 and Cottonwood Springs entrance to Joshua Tree National Monument; on south side of 60-70 Comment
  SEINET10490539  Lupinus arizonicus subsp. arizonicus Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 Holmgren 6423 Riverside Big maria mountains, 12 air miles n of downtown blythe. T4s,r22e,sec.35. Frequent on sandy banks of wash. Petals pink-purple with dark red spots 290 Comment
  CLARK-A1528-493  Lupinus bicolor C. M. Flanagan 1973-4-21 OO 322 Riverside Banning 1097 Comment
  UC1542866  Lupinus bicolor David B. Dunn 1949-4-10 5541- 2 -3 Riverside on the s side of the hiway at Xenica Ave. one mi e Beaumont; e of Beaumont Comment
  UCR213306  Lupinus bicolor A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37699 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  SEINET10484876  Lupinus bicolor subsp. microphyllus Tilforth 1979-4-11 TILFORTH 1768 Riverside Open slopes with grasses, rhus trilobata, paeonia californica, xylococcus Bicolor. Murrieta-deluz road, ca 2 air miles s of murrieta, 305 Comment
  RSA800114  Lupinus concinnus Duncan S. Bell 2013-4-7 4759 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
  SEINET9312483  Lupinus concinnus Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  CAS-BOT-BC205386  Lupinus excubitus var. austromontanus Christopher Davidson 1975-6-16 2815 Riverside 3.8 mi N of Alandale Station on road R1 from Idyllwild to Banning 1699 Comment
  UCR268285  Lupinus excubitus var. austromontanus Jim Andre 2012-6-15 30538 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  HSC46431  Lupinus excubitus var. hallii Christopher Davidson 1977-5-25 5656 Riverside Mesa de Burro, Santa Rosa Plateau area of the Santa Ana Mtns. 701 Comment
  UC1979531  Lupinus excubitus var. hallii Darin L. Banks, Steve Boyd 1995-4-5 146 Riverside 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, on alluvial terraces of the W fork of Arroyo Seco. Comment
  CLARK-A1528-2834  Lupinus formosus John C. Roos 1943-5-23 2664 Riverside Little San Bernardino Mountains 1523 Comment
  SBBG3617  Lupinus formosus H. and M. Dearing 1940-6-8 4347 Riverside Palms to Pines Hwy near Herkey Crk, W of Ribbonwood Comment
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Apr 17 2012
  UCR43284  Lupinus hirsutissimus B. A. Carlson 1986-4-10 s.n. Riverside Upper Coachella Valley, floodplain of the Whitewater River at field of wind turbines among settling ponds west of Indian Avenue near Hugo Siding on S.P.R.R. 244 Comment
  SEINET10485442  Lupinus hyacinthinus David B. Dunn 1946-8-18 Dunn 2745 Riverside Series from round valley to withing 700 ft. Below the top of san jacinto mt. Comment
  HSC104178  Lupinus latifolius A. C. Sanders, T. B. Salvato 2014-7-2 41161 Riverside San Jacinto Mtns.: Forbes Canyon, ~0.5 mi. S of Forbes Ranch along Forbes Ranch Rd. 1555 Comment
  RSA114446  Lupinus latifolius subsp. parishii G. R. Campbell 1956-6-11 21613 Riverside Nursery Seedlings growing under Prop. No. 8412, from seed Fuller Mill Creek, 1.3 miles north of Black mountains. trail, hwy from Banning to Idyllwild. Comment
  LA205135  Lupinus latifolius var. parishii Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, Trail to Hidden Lake Comment
  UCR137096  Lupinus microcarpus var. densiflorus June Latting 1958-4-13 s.n. Riverside San Gorgonio Pass, White Water 415 Comment
  UCR16239  Lupinus microcarpus var. densiflorus Margaret-Lee Dean 1965-3-25 s.n. Riverside 0.25 mi. west of Redlands Boulevard on Hwy 60 488 Comment
  OBI48507  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Pasture and adj dirt rd, Guava St (DeLuz Rd) 0.4 mi S jct. Washington Ave in Murietta Comment
  SBBG3695  Lupinus sparsiflorus H. and M. Dearing 1949-4-9 6745 Riverside Joshua Tree Nat Monument Comment
  UC1584119  Lupinus sparsiflorus Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3832 Riverside ridge at n side mouth of Temecula Creek Canyon (and adjacent benches of s flank of Big Oak Mtn); Vail Lake Area 396 Comment
  UC865110  Lupinus sparsiflorus Carl B. Wolf 1932-5-25 3669 Riverside Snow Creek Canyon Snow Creek Canyon (No. base of San Jacinto Mts.; 1/2 mi. below fish hatchery); San Jacinto Mts 548 Comment
  UC865459  Lupinus sparsiflorus I. W. Clokey 1935-4-17 6710 Riverside Cottonwood Springs Comment
  POM12644  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz, D. D. Keck 1922-4-9 4901 a Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA414340  Lupinus succulentus E. Crow 1929-4-7 302 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  RSA522732  Lupinus succulentus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3837 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA556492  Lupinus succulentus Julie Greene 1993-3-13 1068 Riverside On the berm between the western ponds. 441 Comment
  UCR132857  Lupinus succulentus Kent Beaman 1983-4-24 18 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  SDSU13325  Lupinus truncatus Jeremy Mass, Ryan Jacobson 2000-4-19 Riverside Stone Creek, Santa Margarita Ecological Reserve, along jeep trail going from south-side facility to north-side facility. About 1.5 miles from south-side facility. 183 Comment
  SDSU18683  Lupinus truncatus C. Matt Guilliams, Jeannine Ross 2008-3-5 492 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
  UC1979644  Lupinus truncatus Steve Boyd, D. L. Banks 1995-4-5 8427 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain on the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west off the lower Dripping Springs Trail, just south of the Wilderness boundary. Comment
  POM14115  Luzula comosa Phillip A. Munz 1922-5-19 5396 Riverside Keen Camp, San Jacinto Mountains. 1463 Comment
  POM184749  Lycium andersonii C. Leo Hitchcock 1932-4-8 12216 Riverside 1 mile west of Cottonwood Springs. Comment
  RSA799075  Lycium andersonii Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6871 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  UC111152  Lycium andersonii F. M. Reed 1907-2-12 1203 Riverside Arroyo Tequesquite Comment
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Jul 30 2006
  UC1280950  Lycium andersonii H. E. McMinn 1937-3-5 5001 Riverside about 7 mi w Blythe Comment
  CAS-BOT-BC233505  Lycium cooperi Peter H. Raven 1958-5-5 12888 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  UC68699  Lycium cooperi H. M. Hall May 1905 6031 Riverside Eagle Mt. Colorado Desert 975 Comment
  UCR235048  Lythrum californicum A. C. Sanders, John F. Green 2012-5-27 40211 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  RSA735191  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-6-4 10462 Riverside San Jacinto Mountain foothills: Indian Creek. Stream and margins in slow-flowing areas, gen. beneath riparian canopy. 549 Comment
  UCR232792  Lythrum hyssopifolia John F. Green 2008-4-16 0408- 52 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  UCSB37909  Madia gracilis Sanders, A. 1980-7-18 Riverside Thomas Mountain; Thomas Mtn. campground to the summit at the lookout; T 6S R 3E, W1/2 sec. 28 2072 Comment
  RSA495433  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2959 Riverside Vail Lake area, west shore of lake, Kolb Crk. drainage in series of small side draws. 441 Comment
  CAS-BOT-BC206694  Malacothamnus densiflorus Ynez W. Winblad 1938-5-15 s.n. Riverside Lake Elsinore Comment
  UC484191  Malacothamnus densiflorus J. T. Howell 1928-7-8 1056 Riverside above Glen Ivy; Santa Ana Mtns 914 Comment
  UCR281006  Malacothamnus densiflorus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 26 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  SDSU7520  Malacothamnus fasciculatus H. Wedberg 1962-5-23 949 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  SEINET3001927 Image available Malacothamnus fasciculatus subsp. laxiflorus John Minnich 1964-1 64- 2 -27-2 Riverside ''Two Trees Canyon,'' at end of Two Trees Road, near the east end of Blaine St., Riverside Comment
  RSA673873  Malacothrix clevelandii Scott D. White 2000-5-27 7939 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  CAS-BOT-BC347688  Malacothrix glabrata LeRoy Abrams 1903-4-6 3213 Riverside Cabazon Comment
  CAS-BOT-BC347693  Malacothrix glabrata H. M. Hall 1905-5-1 6028 Riverside Colorado Desert. Near Pinto Mts. Comment
  HSC99166  Malacothrix glabrata Paul J. CaraDonna 2009-3-15 121 Riverside Cholla Gardens, Joshua Tree National Park Comment
  OBI49706  Malacothrix glabrata David Charlton 1988-2-18 1186 Riverside S side of Little San Bernardino Mts. Fargo Cyn Rd to Cottonwood Wash, S of Joshua Tree Natl Park, prallel to I-10. 5 mi E of jct Dillon rd and Fargo Cyn Rd 762 Comment
  POM362316  Malacothrix glabrata Martha Hilend 1928-3-25 141 Riverside Colorado Desert, about 6 miles west of Indio Comment
  UCR226776  Malacothrix glabrata Jim Andre 2011-2-9 15918 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  RSA654621  Malva parviflora Lydia Paneri 1982-4-17 37 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
  SEINET10732075  Mammillaria microcarpa Betty Venrick 1962-1 Riverside Comment
  RSA441213  Marah macrocarpa M. V. Hood 1945-3-26 s.n. Riverside Aguanga. 610 Comment
  RSA441228  Marah macrocarpa E. Crow 1929-3-17 284 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA708242  Marrubium vulgare Scott D. White, Angelia Carey 2004-5-7 10335 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UCR140727  Marrubium vulgare A. C. Sanders 2004-5-12 27882 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  RSA556517  Marrubium vulgare Julie Greene 1993-4-10 1135 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 476 Comment
  RSA557320  Marsilea vestita Julie Greene, Steve Boyd, Dave Bramlet, Hilda Flores, Helga Ochoterana 1993-7-9 1433 Riverside San Jacinto Wildlife Area: from the edge of drying flood area. 433 Comment
  RSA614472  Meconella denticulata D. L. Banks 1997-4-5 1703 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  UCR178342  Meconella denticulata Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1060 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  SEINET156161  Medicago polymorpha Norman C. Cooper 1944-4-22 1129 Riverside Banning. 732 Comment
  RSA526170  Medicago polymorpha Steve Boyd, T. S. Ross 1990-5-11 4673 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
  RSA495443  Melica frutescens Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2971 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  CAS-BOT-BC281600  Melica imperfecta H. M. Hall 1899-5-20 s.n. Riverside Along Strawberry Creek, San Jacinto Mts 1371 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
  POM8820  Melica imperfecta I. M. Johnston 1920-5-8 2275 Riverside Butte due west of Lakeview Comment
  RSA528073  Melica imperfecta Scott D. White 1991-4-10 91 -47 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road. 610 Comment
  RSA702261  Melica imperfecta Steve Boyd, Aydee Virgen 2004-4-13 10852 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR162283  Melica imperfecta S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  UCR281487  Melica imperfecta Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 86 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  RSA440354  Mentzelia affinis H. M. Hall 1905-04 5766 Riverside Cathedral Canyon 91 Comment
  UC1595626  Mentzelia affinis Steve Boyd and Dave Bramlet 1991-5-13 6257 Riverside ESE. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Rd. Winchester; Domenigoni Hills, N Side of Domenigoni-Diamond Valleys 548 Comment
  CDA36649  Mentzelia albicaulis G. D. Barbe, T. C. Fuller 1973-2-27 1050 Riverside 0.2 mile east of Coachella Canal on Highway 195, Box Canyon Wash, northeast of Mecca. 0 Comment
  POM159829  Mentzelia albicaulis E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts. Comment
  UCR165638  Mentzelia involucrata John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR251916  Mentzelia involucrata Jim Andre 2013-3-27 24817 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  POM13079  Mentzelia involucrata var. megalantha R. Evans 1921-3-30 s.n. Riverside Painted Canyon, near Mecca. Comment
  UCR65298  Mentzelia micrantha Steve Boyd, T. S. Ross, K. A. Boyd 1989-6-24 3756 Riverside Vail Lake area, Along road in shallow canyon on SE flank of 'Little' Oak Mtn, west of Kolb Creek drainage, north of Hwy 79 Comment
  UCR205968  Mentzelia obscura Scott D. White, Michael Honer 2003-4-30 9137 Riverside Sonoran (Colorado) Desert, Shavers Valley, about 1-2 mi SW of unnamed freeway exit at pumping station 457 Comment
  JOTR35485  Mentzelia veatchiana La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3173 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  SD140168  Mesembryanthemum nodiflorum A. C. Sanders 1993-5-12 14003 Riverside Hemet, southwest corner of intersection of Florida Avenue (Highway74) and Warren Road, between New San Diego Aqueduct and Warren 459 Comment
  RSA614099  Microseris douglasii subsp. douglasii A. C. Sanders, George K. Helmkamp 1997-3-15 19995 Riverside Lake Skinner, SE foot of Bachelor Mtn., just north of the lake. 500 Comment
  UCR85567  Microseris douglasii subsp. douglasii Julie A. Greene 1993-4-17 1203 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  UCR94262  Microseris douglasii subsp. douglasii Scott D. White 1996-4-14 3895 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Rd. and 100 m west of the San Jacinto River channel 433 Comment
  RSA357122  Microseris heterocarpa R. F. Thorne 1973-5-23 45513 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  RSA498164  Microseris lindleyi N. C. Cooper 1945-5-24 1643 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA500986  Microseris lindleyi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3105 Riverside Vail Lake area, at N base of rounded knob 1.25 mi WSW of dam. 610 Comment
  RSA0018787  Mimetanthe pilosa Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38097 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  POM8472  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2290 Riverside Butte west of Lakeview. 610 Comment
  UC488887  Mimulus aurantiacus var. pubescens C. V. Meyer June 1927 Riverside Idyllwild Grade 1066 Comment
  HSC35462  Mimulus aurantiacus var. puniceus J. D. Ackerman, A. M. Montalvo 1975-6-26 524 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, above SanJuan Campground, Cleveland National Forest 610 Comment
  POM8965  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2298 Riverside Butte west of Lakeview. 610 Comment
  UCR107382  Mimulus aurantiacus var. puniceus B. G. Pitzer 1997-3-23 2958 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
  UCR251705  Mimulus aurantiacus var. puniceus T. B. Salvato, Mike Landers 2013-3-21 7412 Riverside Perris-Aguanga Basin, Murrieta, at the northwest corner of the intersection of Baxter Road and Menifee Road 453 Comment
  RSA0123294  Mimulus bigelovii Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8978 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  SEINET3079984 Image available Mimulus bigelovii Barbara Gayle Pitzer 1998-1-24 3393 Riverside Sonoran (Colorado) Desert; N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  RSA178795  Mimulus bigelovii var. bigelovii Marcus E. Jones 1930-4-1 s.n. Riverside Shaver's Well Comment
  UCR22483  Mimulus bigelovii var. bigelovii C. S. Jones 1979-3-27 49 Riverside Sonoran (Colorado) Desert, Near unnamed dirt road approximately 5 mi north of I-10 and 4 mi west of Desert Center 412 Comment
  RSA796511  Mimulus brevipes Robert F. Thorne, E. W. Lathrop 1977-5-18 49721 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  RSA192073  Mimulus cardinalis H. A. Zuill 1966-6-8 217 Riverside Between Johnson Ranch and Deduz. About 10 miles south of Murrieta. Comment
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Feb 12 2013
  UCR189579  Mimulus clevelandii Diane Menuz 2006-6-27 184 Riverside Peninsular Range; Santa Ana Mtns, trail to Santiago Peak, 100 m from Main Divide Road 1470 Comment
  UCR26963  Mimulus clevelandii E. W. Lathrop 1966-5-29 6390 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  CAS-BOT-BC9644  Mimulus palmeri H. M. Hall 1900-6-1 1449 Riverside Lytle Creek Canyon 1767 Comment
  UCR167871  Mimulus pilosus T. B. Salvato, Melissa Clemons 2005-6-2 1345 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  RSA757624  Mirabilis bigelovii var. retrorsa LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4334 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA778144  Mirabilis bigelovii var. retrorsa Jim Andre 2011-2-2 16220 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
  CAS-BOT-BC434703  Mirabilis laevis var. crassifolia Ivan Johnston 1917-4-4 1090 Riverside Colorado Desert. Mouth of Andreas Canon [Canyon] 243 Comment
  RSA457753  Mirabilis laevis var. villosa Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2112 Riverside N. end Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  UC1563079  Mirabilis laevis var. villosa Steve Boyd and Orlando Mistretta 1986-3-13 1480 Riverside ne Desert Center (first large canyon at nw tip of western segment of range); w side Palen Mts Comment
  POM14596  Mohavea confertiflora Bradley 1922-4-10 7 Riverside Near Mecca. Comment
  POM261346  Mohavea confertiflora Philip A. Munz 1940-3-23 15673 Riverside South base of Pinto Mts., road Dale to Cottonwood Springs. 610 Comment
  RSA444328  Mohavea confertiflora Walter Wisura 1988-3-1 41996 Riverside 1.8 mile along Black Eagle Mine Road, Joshua Tree National Monument Comment
  UCR22484  Mohavea confertiflora C. S. Jones 1979-3-27 48 Riverside Sonoran (Colorado) Desert, in SE facing canyon about 300 yards from unnamed dirt road approximately 5 mi. north of I-10, 4 mi. west of Desert Center 427 Comment
  CDA6774  Momordica balsamina G. D. Barbe 1973-10-19 1736 Riverside North side of Tampico Calle at Ramirez, La Quinta. 0 Comment
  UC1995304  Monardella C. Epling, Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  SBBG72006  Monardella australis R. Hoffmann 1929-9-5 Riverside San Jacinto Mtns Comment
  RSA0003914  Monardella australis H. M. Hall 1901-07 2486 Riverside In open forests of Tamarack Valley. 2805 Comment
  UCR146128  Monardella australis subsp. australis Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1449 Riverside Peninsular Ranges; San Jacinto Mtns, northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  POM4044  Monardella lanceolata var. lanceolata H. M. Hall 1901-07 2527 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  RSA401587A  Monardella lanceolata var. lanceolata M. B. Dunkle 1933-7-20 s.n. Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA669  Monardella lanceolata var. lanceolata J. T. Howell 1928-7-9 1072 Riverside Head of San Juan Canyon. Elsinore Mountains 793 Comment
  LA62725  Monardella linoides subsp. linoides Carl Epling; William Robison 1934-7-27 sn Riverside Palms to Pines Highway- along road Comment
  LA62742  Monardella linoides subsp. linoides Elizabeth McClintock; 1940-5-26 sn Riverside about 3 mi W of Pinon Flats, Pines to Palms Hwy Comment
  RSA741177  Monardella linoides subsp. linoides Scott D. White, Justin M. Wood 2008-6-17 12179 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UC1995336  Monardella linoides subsp. linoides C. Epling 1937-6-10 Riverside 1 mi below Nightingale (Pines-to-Palms Highway) Comment
  UC63754  Monardella linoides subsp. linoides H. M. Hall 1901-6 2430 Riverside Tauquitz Valley San Jacinto Mountains 2133 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
  LA96092  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 99 Riverside Black Mountain, 0.75 mi. beyond the snow gate Comment
  RSA761895  Monardella nana Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 708 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC1499906  Monardella nana Elizabeth McClintock 1941-6-8 65 Riverside Pines to Palms Highway, at turn off to Santa Rosa Mts. Comment
  UCR133110  Monardella nana subsp. arida John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR221488  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 077 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 1 mile beyond canyon where stream crosses road 2012 Comment
  SEINET10582211  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 51 Riverside San Bernadino National Forest, Thomas Mtn. Go ca. 50 yds. past the former lookout tower site on Thomas Mtn. summit. Monardella nana is off the road, to the right ca. 75 yds. T6S,R3E,S29. Need USNFS permission to collect. Small, dense, population growing among the rocks in clearing, surrounded by Pinus ponderosa, Abies concolor, Calocedrus decurrens, Quercus chrysolepis, with Eriogonum fasciculatum, Lupinus sp., Gutierrezia sp., Galium andrewsii, Bromus sitchensis, Ribes roezlii. Mid-bloom. Comment
  UC1499944  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-10 92 Riverside Top of Suicide Rock San Jacinto Mts. Comment
  UCR121823  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24605 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  CAS-BOT-BC349807  Monoptilon bellioides L. A. Greata 1905-4-1 405 Riverside Coachella Comment
  CLARK-A1045-223  Monoptilon bellioides George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; bottom of wash; Lost Horse Mtn. 15'Q Comment
  JEPS30534  Monoptilon bellioides Peter H. Raven 1958-2-15 11571 Riverside Corn Springs Chuckwalla Mountains Comment
  JEPS30535  Monoptilon bellioides Peter H. Raven 1958-1-24 11447 Riverside Fargo Canyon Comment
  SEINET270923  Monoptilon bellioides Richard J. Shaw 1958-4-6 1100 Riverside Joshua Tree National Monument ; Road between White Tank Campground and South Entrance. 610 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
  UCSB9911  Monoptilon bellioides Koran, Jr., John 1958-4-1 Riverside Along Banning-Idyllwild Hwy., 2.4 mi. S.W. of Hwy. 111 Comment
  RSA0048607  Monoptilon bellioides Riverside Orocopia Mtns. 472 Comment
  UCD86493  Muhlenbergia andina Peter Kamb 1948-10-31 1283 a Riverside Hall Canyon. San Jacinto Mts. 1645 Comment
  UC573975  Muhlenbergia asperifolia H. S. Yates 1936-8-28 6370 Riverside 3 mi nw San Jacinto; San Jacinto Quadrangle Comment
  RSA254127  Muhlenbergia microsperma Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-21 6436 Riverside Big Maria Mountains, 12 air miles north of downtown Blythe 290 Comment
  SEINET10599994  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross; Laurel Arnseth; Jaime Bonilla, Barbosa 1990-4-3 Boyd 4101 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of "Big" Oak Mtn., just S of the E summit. T8S R1W S3 N1/2. Clay soil on Gabbro. Coastal sage scrub, chaparral on slopes, grassy flats. 610 Comment
  RSA336036  Muilla maritima Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52067 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  UCR137039  Muilla maritima A. C. Sanders 2004-5-5 27756 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
  UCR83570  Myosurus minimus subsp. apus Scott D. White 1993-3-12 1142 Riverside San Jacinto Valley, between aqueduct and Warren Rd. 457 Comment
  SD9384  Myriopteris parryi S. B. Parish, W. F. Parish Mar 1880 504 Riverside San Jacinto Mountain, desert slope Comment
  RSA421115  Nama demissa Robert M. Perkins 386 Riverside 26 miles East of Indio. Comment
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Mar 9 2014
  UCR20772  Nama demissa A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1316 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
  UCR214291  Nama demissa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37481 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCSB5309  Nama demissa Beeks, Richard 1952-4-5 Riverside 12 miles E. of Shavers Summit Comment
  POM72623  Nama demissa var. deserti Marcus E. Jones 1906-4-27 s.n. Riverside Indio. 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
  UCR228162  Nama hispida var. spathulata Dave Silverman, Onkar Singh 2010-3-27 7856 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 5.4 km WSW of Mesaville siding, west of A Canal/Levee Blvd, & c. 7.6 km N of Blythe Airport 136 Comment
  UCR110404  Nama stenocarpa A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23173 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA562482  Nassella pulchra Steve Boyd, Timothy S. Ross 1992-5-5 7254 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
  UCD72379  Navarretia atractyloides A. C. Sanders; T. B. Salvato 2000-5-25 23425 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
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Apr 3 2011
  UCR92336  Navarretia atractyloides Scott D. White, M. D. Wilcox 1995-7-13 3476 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  POM47790  Nemacaulis denudata var. gracilis Mary F. Spencer 1918-4-13 803 Riverside Palm Springs. 137 Comment
  RSA464361  Nemacaulis denudata var. gracilis S. B. Parish 1896-04 1931 Riverside Palm Springs. Comment
  UCR279600  Nemacladus A. C. Sanders, Jim Malusa 2017-3-28 43137 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
  JOTR29379  Nemacladus glanduliferus La Doux, Tasha, Mike Bell 2006-5-10 1456 Riverside Joshua Tree National Park. Little San Bernardino Mountains; East Deception Canyon Comment
  SEINET3812583 Image available Nemacladus glanduliferus George K. Helmkamp 1983-4-5 483 -44 Riverside Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 488 Comment
  UC1979541  Nemacladus longiflorus var. breviflorus Darin L. Banks, Steve Boyd 1995-5-3 222 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of Dripping Springd Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  RSA586115  Nemacladus ramosissimus D. L. Banks, S. D. Boyd 1995-4-5 0155 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail. 503 Comment
  UCR280956  Nemacladus ramosissimus Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 59 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  UC1583283  Nemacladus rubescens Noel H. Holmgren, Patricia K. Holmgren, and Ruth E. Kern 1973-3-23 6480 Riverside 24 mi e Indio (near Interstate 10, at the s entrance to Joshua Tree National Monument); Joshua Tree National Monument 548 Comment
  SEINET10461124  Nemacladus rubescens Mason 1952-4-7 Mason 14211 Riverside Palm Canyon, Palm Springs Comment
  RSA75124  Nemacladus sigmoideus F. W. Peirson 1928-4-24 7913 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. Comment
  SD46094  Nemacladus tenuis var. aliformis Herbert L. Mason 1952-4-7 14211 Riverside Palm Springs, Palm Canyon Comment
  UC665893  Nemacladus tenuis var. aliformis Ira L. Wiggins 1941-3-27 9671 Riverside 8 mi ne Desert Center (s end of Coxcomb Mountains); Coxcomb Mountains Comment
  UCR49231  Nemophila menziesii Steve Boyd 1980-5-8 1610 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  POM98160  Nicotiana bigelovii var. wallacei Philip A. Munz 1925-5-20 9852 Riverside 2 mi. east of Aguanga. Comment
  JOTR30637  Nicotiana obtusifolia La Doux, Tasha, Erin Babich 2008-4-21 1800 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  RSA450077  Nicotiana obtusifolia J. C. Roos 1966-2-5 s.n. Riverside Pushawalla Wash near 1000 Palms, Indio Hills. Comment
  SBBG92196  Nicotiana obtusifolia D. F. Howe 1980-4-16 Riverside 4 mi S of Intertstate 10 on Cornsprings Rd, Chuckwalla Mtns 335 Comment
  UC64483  Nicotiana quadrivalvis H. M. Hall Jun 1897 Riverside Riverside Comment
  UCR16396  Nicotiana quadrivalvis Rex Sanders 1973-5-13 s.n. Riverside Santa Ana Mtns, along Hwy 74, 3.19 mi from Orange County line, in Riverside Co., about 1/3 from the top of the canyon, coastal side of the mountains 457 Comment
  CSUSB767  Nicotiana trigonophylla David M. Peterson 1966-2-20 Riverside 5.5 miles northeast of Mecca, in Box Canyon on Mecca-to-Joshua Tree National Monument Road. 121 Comment
  PASA2135  Nicotiana trigonophylla 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
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Aug 27 2016
  UCR264957  Nolina bigelovii A. C. Sanders, Jim Malusa 2015-9-12 41883 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just south of Bradshaw Trail, c. 2.4 km west of the Dupont Rd. junction 749 Comment
  JEPS62090  Nolina parryi Carl V. Meyer 1929-6-18 781 Riverside s Thomas Mt.; San Jacinto Mts., Hamilton grade 1219 Comment
  SEINET5641185 Image available Nolina parryi Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28524 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  UC63871  Nolina parryi H. M. Hall May 17 1901-Jun 1 1901 1819 Riverside se base San Jacinto Mt. 1402 Comment
  CLARK-A1528-3541  Notholaena newberryi John C. Roos 1936-11-21 Riverside La Sierra Comment
  RSA788412  Oenothera bistorta var. veitchiana Doris Bowers 1972-4-15 1798 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  POM12929  Oenothera californica subsp. californica P. A. Munz 1922-6-27 5845 Riverside Santa Rosa Mountains, Santa Rosa. 1982 Comment
  UC873908  Oenothera californica subsp. californica P. A. Munz 1922-6-27 5845 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  CLARK-A1528-3298  Oenothera deltoides John C. Roos 1937-4-18 1370 Riverside Snow Creek Comment
  CSUSB207  Oenothera deltoides Linda Stangor 1974-4-18 Riverside Windy Point; South side of Windy Point dunes. Comment
  POM355580  Oenothera deltoides subsp. deltoides N. C. Cooper 1949-3-15 3026 Riverside Palm Springs 122 Comment
  POM67095  Oenothera deltoides subsp. deltoides Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  POM8654  Oenothera deltoides subsp. deltoides P. A. Munz, R. D. Harwood 1920-4-20 35832 Riverside Blythe. Comment
  RSA248134  Oenothera deltoides subsp. deltoides Susan Delano McKelvey 1936-2-10 5056 Riverside In desert north of Palm Springs. Comment
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Dec 14 2011
  UCD84927  Oenothera deltoides subsp. deltoides Chuck Hughes 2010-3-21 199 Riverside About 2.3 miles south of Highway 62, next to railroad tracks. 225 Comment
  UCSB4444  Oenothera deltoides subsp. deltoides Gill, Robert 1960-3-23 Riverside About 1 mile up Snow Canyon from road to Palm Springs, San Jacinto Mt. Range 396 Comment
  UCR1500  Oenothera elata Donna Lee Hobbs 1962-4-29 4-29-62- 01 Riverside 5 mi. north of Rainbow on Hwy 395 [now Interstate Hwy 215] Comment
  RSA125972  Oenothera elata subsp. hirsutissima E. K. Balls, Percy C. Everett 1959-11-4 22746 Riverside Snow Creek, about Old Fish Hatchery, n. base San Jacinto Mountains. 701 Comment
  RSA0105865  Oenothera elata subsp. hookeri Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge & Santa Ana Riverbed Transect. Comment
  RSA122245  Oligomeris linifolia H. S. Yates 1937-3-23 6425 Riverside Near Thermal 30 Comment
  SEINET7259337 Image available Oligomeris linifolia A. C. Sanders, P. J. MacKay, Tim Thomas 2005-1 29135 Riverside Sonoran (Colorado) Desert: SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. (East of Victory Pass) 168 Comment
  UCD116472  Oligomeris linifolia Dieter Bommer 1962-4-1 s.n. Riverside SE of Mecca and NE corner of Salton Sea. Comment
  RSA0107429  Olneya tesota Duncan S. Bell 2009-8-15 419 Riverside Northwest of the Arica Mountains. 300 Comment
  UCD108102  Olneya tesota G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
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Jun 15 2013
  SBBG128747  Oncosiphon piluliferum R. E. Riefner Jr. 2012-3-31 12 -63 Riverside City of Hemet, N of Florida Ave and S of W Devonshire Ave and E of Meyers St 461 Comment
  SEINET15324998  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-1 24210 Riverside Perris-Aguanga region; Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi S of van Buren Blvd. (Riverside east 7.5' Quad) 465 Comment
  SEINET7342248 Image available Opuntia Marc Baker 1990-5-20 7838 Riverside Southeast of Bernasconi Hills. 433 Comment
  SD229120  Opuntia basilaris var. basilaris Dick Schwenkmeyer 2013-6-11 923 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  UCR41420  Opuntia erinacea A. C. Sanders 1984-4-21 5020 Riverside San Jacinto Mtns., Pinyon Flats, rocky S facing slope south of Hwy 74 and west of the dolomite mine 1220 Comment
  UCR47518  Opuntia leucotricha A. C. Sanders, Mira M. Bogen 1987-5-28 7105 B Riverside City of Riverside, along Van Buren Boulevard, near the bridge over the Santa Ana River, at Riverside sewer plant 244 Comment
  UCR3291  Opuntia littoralis Chuck Elliott 1964-5-13 s.n. Riverside City of Riverside, [Box Springs Mtns], 0.25 mi. past Two Trees Road and Belvedere 366 Comment
  POM285351B  Opuntia phaeacantha Lyman Benson 1955-12-6 15622 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  RSA7217  Opuntia polyacantha var. erinacea B. D. Stark 1932-6-5 3710 Riverside Palms to Pines Road, San Jacinto Mountains. 1067 Comment
  RSA9815  Opuntia polyacantha var. erinacea B. D. Stark 1931-8-28 2447 Riverside San Jacinto Mountains. 3 miles N of forks in road to Santa Rosa and Aguanga. 1524 Comment
  CAS-BOT-BC56908  Opuntia polyacantha var. hystricina C. B. Wolf; P. C. Everett 1938-9-29 19101 Riverside Field redacted by CAS, contact the data manager for more information Comment
  JEPS18058  Orcuttia californica Frank W. Peirson 1922-5-19 3020 Riverside Menifee Valley Comment
  RSA356627  Orcuttia californica R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1979-8-29 47312 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  RSA702270  Orcuttia californica Gary D. Wallace, B. Gustafson, T. Thomas 1983-6-23 2080 Riverside Santa Rosa Plateau, Mesa de Burro. Comment
  UC27848  Orobanche californica subsp. feudgei H. M. Hall June 1901 2135 Riverside San Jacinto Mountains, Eastern base, along the borders of the Colorado Desert. Comment
  UCR201408  Orobanche californica subsp. feudgei Justin M. Wood, Brandy N. Ulrich 2008-7-14 18 Riverside San Jacinto Mountains, Garner Valley, near intersection of Fobes Ranch Road and Hwy 74 1360 Comment
  RSA0066538  Orobanche cooperi subsp. cooperi Theodore W. Minthorn 1927-6-29 s.n. Riverside Near Indio. Comment
  UCR58949  Orobanche fasciculata Kenneth Cooper 1986-4-18 s.n. Riverside San Jacino Mtns, Oasis de los Osos Preserve of the nature conservancy, Snow Creek Canyon, at the N foot of the San Jacinto Mtns Comment
  RSA0104798  Orobanche fasciculata Norman C. Cooper 1944-6-17 1406 Riverside San Jacinto Mtns. West side. 1372 Comment
  RSA0104805  Orobanche fasciculata R. S. Woglum 1941-5-17 3040 Riverside Peninsular Ranges/Sonoran Desert transition: Elder (Alder?) Canyon off Coyote Canyon. Comment
  RSA0083184  Orthilia secunda P. A. Munz 1922-9-6 6396 Riverside Round Valley, San Jacinto Mts. 2744 Comment
  RSA612685  Orthocarpus purpurascens var. purpurascens D. L. Banks 1997-3-29 1613 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
  RSA64889  Oxytheca emarginata F. W. Peirson 1922-5-21 3034 Riverside Hemet Valley, San Jacinto Mts. 1372 Comment
  SD116585  Oxytheca emarginata Barbara Ertter, Jeffrey Strachan 1980-5-21 3480 Riverside Santa Rosa Mt Road (Forest Road 7S02) 4.5 miles south of Highway 74 (Pines to Palms Highway), 1829 Comment
  UC990926  Oxytheca trilobata Susan G. Stokes 1933-7-2 Riverside near Idyllwild Comment
  RSA291611  Paeonia californica C. W. Tilforth, Walter Wisura 1979-4-11 1770 Riverside East end of Murrieta-DeLuz Rd, south of Murrieta. 335 Comment
  SD152794  Paeonia californica Steve Boyd, Tim Ross and Orlando Mistretta 1992-3-31 6746 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Morgan Trail from Round Potrero west to junction with Tenaja Trail in North-fork Bear Creek. 2200 Comment
  CAS-BOT-BC327906  Palafoxia arida Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9524 Riverside Pinto Basin 16 miles from Cottonwood Springs Comment
  CAS-BOT-BC327909  Palafoxia arida F. H. Billings 1926-2-6 20 Riverside Palm Springs Comment
  RSA792930  Palafoxia arida Aaron C. Sedgwick, Cody Leslie 2012-9-20 119 Riverside South of 29 Palms Hwy 62 in a wash ~3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft. 243 Comment
  UCR136896  Palafoxia arida Michael D. Wilcox 2003-6-26 s.n. Riverside Sonoran (Colorado) Desert, Thousand Palms Oasis 152 Comment
  UCR148453  Palafoxia arida S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  SEINET10799054  Palafoxia arida David B. Dunn 1948-2-21 Dunn 3674 Riverside Seedlings; Pushawalla; a rain about two weeks earlier in wash. Hills are still quite dry. Comment
  JOTR28879  Palafoxia arida var. arida La Doux, Tasha 2004-2-24 1114 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  RSA363758  Palafoxia arida var. arida N. C. Cooper 1942-4-25 617 Riverside Palm Springs. Comment
  UC485221  Palafoxia arida var. arida F. M. Reed 1917-5-19 3843 Riverside mesa s Palm Springs Village; Colorado Desert Comment
  UC665894  Palafoxia arida var. arida Ira L. Wiggins 1941-3-27 9670 Riverside about 4 mi ne Desert Center (on road to Rice) Comment
  UCD159794  Palafoxia arida var. arida Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1419 Riverside Colorado Desert: Northeastern Colorado Desert region: along Palen Road near Highway 177. 170 Comment
  UCR100329  Palafoxia arida var. arida George K. Helmkamp 1997-11-1 2516 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  UCR251736  Panicum hirticaule Kristin Forgrave, Joshua Paolini 2013-8-7 029 Riverside Colorado (Sonoran) Desert, Ford Dry Lake, just north of I-10 109 Comment
  CAS-BOT-BC422793  Papaver californicum Steve Boyd; Tim Ross 1990-5-11 4629 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy 79. 670 Comment
  RSA552750  Papaver californicum Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6736 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  UC1595600  Papaver californicum Steve Boyd, Tim Ross 1990-5-11 4629 Riverside e of Dripping Springs Campground (in Cleveland National Forest, base of Agua Tibia Mountain, Vail Lake Area, s of Highway 79); Cleveland National Forest, Agua Tibia Mountain, Vail Lake Ar 548 Comment
  CAS-BOT-BC274192  Pappostipa speciosa Peter H. Raven 1958-5-5 12880 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  RSA180387  Parietaria hespera var. hespera E. W. Lathrop 1960-6-8 4925 Riverside 14 miles west of Murrieta. Comment
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Apr 28 2011
  RSA770989  Parietaria hespera var. hespera Jim Andre, Tasha La Doux 2009-2-25 10811 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  RSA737261  Parkinsonia aculeata Scott D. White, Justin M. Wood 2008-9-17 12541 Riverside Perris Basin: Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  SEINET10907017  Parkinsonia florida Billy Joe Cox 1975-6-26 Cox 4202 Riverside 1-3 km W, (ca 32 mi S of Blythe). 70 Comment
  CDA5093  Passiflora caerulea H. Gill, F. Harris 1974-7-8 Riverside Main Street and Mount Vernon Avenue, Highgrove. 0 Comment
  UCR242714  Pectis papposa A. C. Sanders, T. B. Salvato 2012-10-12 40436 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  SEINET10799089  Pectis papposa Billy Joe Cox 1975-10-10 Cox 4209 Riverside Palo Verde, 1-3 km W, (ca. 32 km S of Blythe). Riverside-Imperial counties. 70 Comment
  CAS-BOT-BC355867  Pectis papposa var. papposa Lewis S. Rose 1959-1-8 59004 Riverside La Quinta 15 Comment
  RSA683915  Pectis papposa var. papposa Michael Denslow 2003-9-13 1547 Riverside Shavers Valley; I-10 at Mecca Exit, Box Springs Road. (Cottonwood Spring Quad) 470 Comment
  UCD134919  Pectis papposa var. papposa F. D. Parker 1965-10-18 s.n. Riverside Interstate Highway 10, 18.5 miles west of Blythe. Comment
  RSA543183  Pectocarya heterocarpa Steve Boyd 1991-3-17 5476 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SD127609  Pectocarya heterocarpa David Charlton 1988-2-18 1147 Riverside Alluvial fan, Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park,1 mile east of junction Dillon Road and Fargo Canyon Rd 609 Comment
  POM9558  Pectocarya penicillata P. A. Munz, R. D. Harwood 1920-2-28 3237 Riverside 2 mi. southeast of Corona 274 Comment
  CLARK-A1045-298  Pectocarya recurvata George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  RSA0125285  Pectocarya recurvata Duncan S. Bell 2016-3-4 8790 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
  SD233779  Pectocarya setosa A. C. Sanders, G. Helmkamp, L. Helmkamp 1995-4-30 16881 Riverside San Bernardino Mountains: Burns Canyon , 2.1 miles above Rimrick Rd, just below Burns Spring. 1530 Comment
  UCSB11214  Pedicularis semibarbata Breedlove, Dennis 1961-5-6 Riverside 150 yds SW of road, 4.2 mi SE Vista Grande Guard Station on Riverside County Hwy. #1 San Jacinto Mts. 1798 Comment
  UCR190496  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  CAS-BOT-BC69220  Pellaea andromedifolia Annie M. Alexander; Louise Kellogg 1941-2-28 1879 Riverside Andreas Canyon, San Jacinto Mountains 350 Comment
  RSA686755  Pellaea andromedifolia J. D. Olmsted 1962-5-10 3630 Riverside Coldwater Canyon, Corona city water supply 396 Comment
  SD138476  Pellaea mucronata Darin L. Banks, Steve Boyd 1995-3-15 71 Riverside Northwest Palomar Mountains, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, Dorland Mountain area 787 Comment
  UCR3354  Pellaea mucronata var. californica T. R. Plumb 1964-4-11 s.n. Riverside San Jacinto Mountains, North Mountain [=Mt. Edna?] c. 5 mi south on Old Banning-Idyllwild Rd. 976 Comment
  GMDRC2052  Pellaea mucronata var. mucronata J. Andre 2006-4-26 6773 Riverside Little San Bernardino Mountains: Joshua Tree National Park: ridgetop, W. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner (boundary) of park Near 34.06663 deg. N 116.44661 deg. W. Elev. 4347 ft. 1325 Comment
  RSA686890  Pellaea mucronata var. mucronata Norman C. Cooper 1944-6-17 1426 Riverside San Jacinto Mountains: above Banning 1372 Comment
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May 13 2011
  JEPS13627  Penstemon centranthifolius Peter Kamb 1946-4-27 336 Riverside Banning-Idyllwild Road near Barton lookout (San Jacinto Mts.); San Jacinto Quadrangle, near Barton lookout 1371 Comment
  SEINET3079731 Image available Penstemon centranthifolius J. Easton 1987-4-23 Riverside E of Anza along Hwy 371, Hamilton Creek Canyon. 1249 Comment
  UC1043379  Penstemon centranthifolius Richard M. Straw 1953-6-25 488 Riverside Santa Rosa Mountain Road , Santa Rosa Mountain Road (from Palms to Pines Hwy) 1676 Comment
  SFV17407  Penstemon clevelandii M. S. Valenzuela, P. Wilson, G. Aldridge, H. Crandall 1998-6-5 73 Riverside Highway 74 near Santa Rosa Mountain Road. 1220 Comment
  UCR213835  Penstemon heterophyllus var. australis Scott D. White, Justin M. Wood 2009-5-21 12849 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  UCR137604  Pentachaeta aurea John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA802099  Pentachaeta aurea subsp. aurea Duncan S. Bell, Caitlin Elam 2013-5-21 4970 Riverside In Dry Creek below Strawberry Valley to the north of Chalk Hill and about 1.25 air miles south of Idyllwild. 1547 Comment
  CAS-BOT-BC71577  Pentagramma triangularis subsp. maxonii Lewis S. Rose 1966-12-14 66109 Riverside Chino Canyon, 3 mi. W of Palm Springs 670 Comment
  SEINET3154048  Pentagramma triangularis subsp. maxonii S. B. Parish 1907-4-18 6114 Riverside Western base of the Colorado Desert 200 Comment
  JEPS24878  Perityle emoryi Peter M. Ray 1949-3-6 1321 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  JEPS34969  Perityle emoryi W. L. Jepson 1927-4-14 11703 Riverside se end Santa Rosa Mts. foothills (w side of Colorado Desert); Colorado Desert, Silent Canyon 304 Comment
  RSA784956  Perityle emoryi Duncan S. Bell 2012-2-12 3114 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SJSU11661  Perityle emoryi R. C. McGehee 1970-3-5 132 Riverside Corn Springs, Chuckwalla Mts 18 mi SE of Desert Center Comment
  JEPS41229  Petalonyx linearis Edmund Jaeger 1921-3-27 Riverside Thousand Palms Canyon Colorado Desert, Thousand Palms Canyon 304 Comment
  RSA0042103  Petalonyx linearis Duncan S. Bell, LeRoy Gross 2014-3-13 6232 Riverside Orocopia Mountains; southern section of range; approximately 1.75 west northwest of Clemens Well. 293 Comment
  CAS-BOT-BC167770  Petalonyx thurberi Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  UCD39881  Petunia parviflora Leslie Ede, Farm Advisor 1974-6-1 s.n. Riverside Blythe. Comment
  SD125665  Petunia violacea A. C. Sanders 1987-4-7 7046 Riverside Riverside, vacant lot on the north side of Spruce St. between Rustin and Canyon Crest. 299 Comment
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Apr 5 2016
  HSC25834  Peucephyllum schottii Richard Spjut 1972-2-1 2074 Riverside Colorado Desert: Southern end of the Eagle Mts.; Eagle Mt. Rd. and other sandy roads ca. 3 to 6 mi. N of Desert Center Comment
  RSA0106803  Phacelia Mitch Provance 2012-5-24 512 -27 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 869 Comment
  RSA776236  Phacelia Duncan S. Bell 2010-3-20 606 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  POM13912  Phacelia ambigua P. A. Munz, D. D. Keck 1922-4-9 4759 Riverside Shavers Well, near Mecca. 76 Comment
  POM14741  Phacelia ambigua F. W. Peirson 1922-4-11 s.n. Riverside Deep Canyon Wash, Coachella Valley 244 Comment
  POM259462  Phacelia ambigua E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  RSA427682B  Phacelia brachyloba N. C. Cooper 1944-5-21 1268 b Riverside San Jacinto Mountains, west side. 1220 Comment
  SEINET4080538  Phacelia brachyloba C. Davidson 1975-1 2814 Riverside 5.4 miles north of alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  CLARK-A1045-211  Phacelia campanularia George K. Helmkamp 1979-4-18 Riverside Indio Hills along Dillon Road; Lost Horse Mtn. 15'Q Comment
  RSA346268  Phacelia campanularia Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54038 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  SBBG11796  Phacelia campanularia H. and M. Dearing 1937-4-10 2866 Riverside W of Indio Comment
  UCR108490  Phacelia campanularia A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16198 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  RSA427697B  Phacelia campanularia subsp. vasiformis N. C. Cooper 1944-3-25 995 Riverside Morongo Pass. 457 Comment
  POM99023  Phacelia campanularia subsp. vasiformis E. C. Jaeger 1926-4-26 s.n. Riverside Eagle Mts, 30 miles E of Mecca Comment
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Sep 7 2011
  RSA0105051  Phacelia cicutaria var. hispida Daphne K. Christopher, Hannah Stevens 2003-4-4 96 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  RSA613405  Phacelia cicutaria var. hispida D. L. Banks 1997-4-5 1686 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
  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
  SJSU11233  Phacelia cicutaria var. hispida G. B. Youngberg 1956-3-29 214 Riverside by Lake Matthews c. 8 mi E of Corona Comment
  UCR3163  Phacelia cicutaria var. hispida M. Wexler 1973-5-13 s.n. Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, 10.18 mi from Orange Co. line on State Route 74, east face of mountains 457 Comment
  RSA615568  Phacelia ciliata D. Bramlet 1993-4-3 2309 Riverside South Cajalco Benc. the site is located some 61m south of Cajalco Road, at a location 3.2km east of the intersection of Cajalco Road and Sierra Ave. The site is 152m E of the intersection with the Old Monument Peak access road. 451 Comment
  UCR123602  Phacelia ciliata D. E. Bramlet 2000-5-9 3024 Riverside San Jacinto River; the site is 457m south of San Jacinto Avenue and 1.1 km north of Ellis Ave and just west of the river Comment
  POM306723  Phacelia crenulata Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1719 Riverside Near Desert Center-Indio. Comment
  RSA650558  Phacelia crenulata Viki Cruz 1983-5-8 9 Riverside Near the palm oasis one mile into Magnesha Canyon, Santa Rosa Mts. Comment
  SJSU11243  Phacelia crenulata R. C. McGehee 1970-4-15 195 Riverside Wileys Well 26 mi SW of blythe Comment
  RSA0049852  Phacelia crenulata var. ambigua Jim Andre 2014-1-27 26671 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  UC1287157  Phacelia crenulata var. ambigua C. L. Hitchcock 1966-3-16 24210 Riverside along Palms to Pines Hwy 4 mi s Palm Desert 609 Comment
  UCR104821  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 1998-2-5 2663 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR244410  Phacelia crenulata var. ambigua Jim Andre 2012-4-16 20905 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  UCR72243  Phacelia crenulata var. ambigua Theo Glenn 1991-5-30 91- 115 Riverside Sonoran (Colorado) Desert, Mule Mtns, 0.2 mi. east of the Opal Hill Mine, just north of the Imperial County line and west of Palo Verde 200 Comment
  UCR30056  Phacelia cryptantha A. C. Sanders 1983-4-9 3719 Riverside Little San Bernardino Mountains, Morongo Wash, c. 2 mi south of San Bernardino County Line, just east of Hwy. 62, at the foot of the Little San Bernardino Mountains, and 12 mi NNW of Palm Springs 549 Comment
  HSC66622  Phacelia distans Christopher Davidson 1979-4-4 7726 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  RSA593994  Phacelia distans D. L. Banks, E. H. Banks 1996-5-2 938 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 m inside the preserve boundary gate, 3 m E of the main road along a open field. 448 Comment
  RSA658860  Phacelia distans J. C. Roos 1966-3-20 s.n. Riverside 2 miles SE of Desert Center. Comment
  RSA770309  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4496 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  RSA778008  Phacelia distans Jim Andre 2011-2-9 15936 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  UC1069257  Phacelia distans H. S. Yates 1937-3-23 6437 Riverside 15 mi nne Mecca; Thermal Quadrangle Comment
  UCR102699  Phacelia distans B. G. Pitzer 1998-1-24 3382 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR98861  Phacelia distans A. C. Sanders, G. Helmkamp 1997-3-15 19986 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  POM229428  Phacelia lemmonii P. A. Munz 1937-5-29 15101 Riverside Edge of Pinyon Flat, Santa Rosa Mts. 1220 Comment
  OBI8236  Phacelia minor David J. Keil, Malcolm McLeod 1977-3-26 12002 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  POM305650  Phacelia minor Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1016 Riverside Aguanga. Comment
  SFV4383  Phacelia minor F. M. Ball 1964-1-4 66 6 Riverside San Bernardino Mountains Whitewater Canyon. About 1 mile north of main Banning to Indio Highway (16 miles east of Banning). East-facing slope. 475 Comment
  UCR111551  Phacelia minor Mitch Provance, J. Ross 1999-4-1 1730 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  UCR241209  Phacelia minor Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 03 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon 741 Comment
  UCSB9694  Phacelia minor Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon 2 miles from U.S. 60 Comment
  RSA554652  Phacelia neglecta A. C. Sanders, E. J. Lawlor 1992-4-4 12090 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  POM11517  Phacelia ramosissima var. latifolia P. A. Munz 1922-7-1 5926 Riverside Below Santa Rosa Mts. 1768 Comment
  RSA74706  Phacelia rotundifolia F. W. Peirson 1919-4-13 4125 Riverside Alkali Canyon, eastward from Palm Canyon; Colorado Desert. Comment
  POM9581  Phacelia stellaris I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road. [Wineville = Mira Loma] Comment
  UCR201483  Phalaris aquatica Scott D. White, Justin M. Wood 2008-6-16 12107 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  UCR2663  Phleum pratense F. M. Reed 1903-12-10 224 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  SDSU21851  Pholistoma auritum Dang Dong, Stephanie Castillo, Lindsay Rubin 2016-4-16 5 Riverside San Magarita Ecological Reserve, Via Tornado, south side of San Margarita river, going uphill, south side of road. 357 Comment
  RSA0080318  Pholistoma membranaceum Sarah J. De Groot, Cheryl Sevilla 2015-2-18 7363 Riverside North fork Mission Creek, southeast San Bernardino Mountains, northwest of Desert Hot Springs. 780 Comment
  UC197348  Pholistoma membranaceum Samuel B. Parish Mar 1883 21 Riverside borders of the Colorado Desert Cabezon; Colorado Desert, Cabezon Comment
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Jul 15 2009
  RSA420764  Phoradendron californicum F. R. Fosberg 1932-3-13 8089 Riverside Thousand Palm Canyon, Coachella Valley Comment
  RSA640171  Phoradendron californicum Louis C. Wheeler 1964-10-17 8641 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
  SFV17321  Phoradendron californicum J. N. Hogue, J. D. Dilley 1998-4-23 108 .4 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UCR17314  Phoradendron californicum N. R. Zabriskie, W. W. Zabriskie 1971-10-24 460 Riverside Western Colorado Desert/ San Jacinto Mtns, E slope of San Jacinto Mountains, Andreas Canyon watershed, SE of turnoff to clubhouse from Andreas Canyon Club Road 320 Comment
  UCR260262  Phoradendron californicum A. C. Sanders, Jim Malusa 2015-3-11 41402 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, wide canyon along the Gasline Road c. 1/4 mile north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 459 Comment
  UCSB10620  Phoradendron californicum Gill, Robert 1960-3-23 Riverside Snow canyon, near end of road; Jan Jacinto Mountain range, Colorado Desert 533 Comment
  UC306119  Phoradendron macrophyllum I. M. Johnston 1917-12-1 1810 Riverside n.w. Corona (Santa Ana R.); Santa Ana R. 182 Comment
  CLARK-A1528-613  Phoradendron tomentosum subsp. macrophyllum C. M. Flanagan 1973-5-31 OO 634 Riverside Morongo Indian Reservation 914 Comment
  RSA682578  Phoradendron villosum George K. Helmkamp 1995-11-16 119 Riverside San Jacinto Mountains. along Hwy 243 at Lake Fulmor. [UTM 10km cell: NH-2E, 4N. Black Mtn.] 1616 Comment
  SEINET4567399  Phoradendron villosum R. L. Rutherford 1945-5-24 1656 Riverside Big Oaks Canyon, Banning. 1219 Comment
  UC1078929  Phoradendron villosum Job Kuijt 1958-3-14 1494 Riverside 12.4 mi. s. Palm Desert 1066 Comment
  UCR125767  Phoradendron villosum A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25655 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 Comment
  CHSC64188  Physalis crassifolia Chris Dietrich; M. Merello, H. Schmidt 1994-4-12 21 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along wash. 380 Comment
  POM126318  Physalis crassifolia Martha Hilend 1927-4-2 s.n. Riverside Painted Canyon, Colorado Desert. 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
  SD111893  Physalis crassifolia Barbara Ertter, Jeffrey Strachan 1980-5-20 3467 Riverside West side Whitewater Hill, east side Whitewater Wash, northwest end of Coachella Valley north of I-10. 456 Comment
  SD82817  Physalis crassifolia Norman C. Cooper 1944-4-8 1059 Riverside Andreas Canyon, floor of canyon 305 Comment
  UCD126797  Physalis crassifolia P. C. Everett; E. K. Balls 1958-4-29 23022 Riverside U.S. Highway 60/70, Indio to Blythe, 1 mile west of Cactus City. 259 Comment
  UCR15973  Physalis crassifolia Robert A. Clark 1966-3-5 030566- 11 Riverside Sonoran (Colorado) Desert, 8 miles east of Mecca on State Hwy 195 and about 3 miles up Box Canyon 15 Comment
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Sep 7 2011
  UCR260255  Physaria tenella A. C. Sanders, Jim Malusa 2015-3-11 41395 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  UCR260294  Physaria tenella A. C. Sanders, Jim Malusa 2015-3-9 41363 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  UCR275360  Picris echioides T. B. Salvato, Melissa Clemons 2005-6-9 1503 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  UC1265379  Pilularia americana Robert F. Thorne and Earl Lathrop 1969-5-12 37919 Riverside s end Mesa de Colorado (Rancho California); Santa Rosa Plateau 624 Comment
  UCR185119  Pinus contorta subsp. murrayana Naomi Fraga, Et al. 2006-7-11 1712 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  LA6070  Pinus coulteri Carl Epling; 1932-11-9 sn Riverside 3 mi. below Idyllwild Comment
  JEPS46817  Pinus flexilis W. L. Jepson 1901-1 Riverside Santa Rosa Peak Comment
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Apr 11 2014
  UC64435  Pinus flexilis W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1452 Riverside Santa Rosa Peak Comment
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Nov 7 2015
  NY61880  Pinus monophylla N. H. Holmgren 1974-4-2 5777 Riverside Pinto Mountains, Joshua Tree National Monument, Hidden Valley Campground, 13.9 miles southeast of Joshua Tree (10 airline miles south-southwest of Twentynine Palms) 1310.6 Comment
  RSA384462  Pinus quadrifolia Gale Sphon 1955-5-22 s.n. Riverside Pinon Flats, San Jacinto Mountains. Comment
  UCR42745  Pinus quadrifolia A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6471 Riverside San Jacinto Mtns., N side of Garner Valley, 1.9 mi north of Hwy 74 on Morris Ranch Road. 1372 Comment
  RSA673469  Plagiobothrys canescens Scott D. White, Tasha La Doux 2000-4-20 7701 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR154641  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2005-4-28 29769 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  UCR171979  Plagiobothrys canescens John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  UCR96805  Plagiobothrys collinus A. C. Sanders 1997-3-1 19757 Riverside Box Springs Mountains, E side of Pigeon Pass Valley c. 1/2 mile NW of Lawless Ranch, east of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  POM13769  Plagiobothrys collinus var. californicus P. A. Munz 1922-4-29 5089 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA674550  Plagiobothrys collinus var. californicus Scott D. White 2000-5-1 7751 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  SD143990  Plagiobothrys collinus var. californicus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19844 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  UCR241829  Plagiobothrys collinus var. californicus A. C. Sanders, Timothy W. Chumley 2013-4-3 40763 Riverside Peninsular Range, Temescal Canyon SE of Horsethief Canyon Rd, and just west of I-15 Fwy, SE of Corona (Lee) lake 392 Comment
  SD6744  Plagiobothrys collinus var. fulvescens Daniel Cleveland 1882-5-3 Riverside San Jacinto Plains Comment
  CLARK-A1045-64  Plagiobothrys nothofulvus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains head of De Luz Creek; Wildomar 7.5'Q Comment
  POM368893  Plagiobothrys nothofulvus Ora M. Clark 1929-3-2 1634 Riverside Near Elsinore. Comment
  RSA613459  Plagiobothrys nothofulvus D. L. Banks, Victor Steinmann 1997-3-13 1433 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR121203  Plagiobothrys nothofulvus D. E. Bramlet 1990-4-26 1974 Riverside Peninsular Range, E side of Rawson Canyon, c. 7000 ft. (1.3 mi.) south of Crown Valley and 8,500 ft. (1.6 mi.) NW of Black Mountain 579 Comment
  JEPS68135  Plagiobothrys tenellus W. L. Jepson 1901-5-19 1308 Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  UC1563044  Plagiobothrys tenellus Steve Boyd, Tim Ross, and Laurel Arnseth 1989-3-31 3075 Riverside 0.25 mi e Pauba Road (s of Hwy 79); Vail Lake area 426 Comment
  UCR20646  Plagiobothrys tenellus O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  SD39270  Plagiobothrys undulatus Edith A. Purer 1936-4-6 6881 Riverside Vernal pool south of Elsinore. Comment
  UCR216394  Plantago erecta Mike Bell 2008-3-30 022 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  UCR281492  Plantago erecta Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 78 Riverside Temescal Valley, 0.4 miles SE of Horsethief Canyon Rd. and the 15 Fwy. 391 Comment
  RSA741085  Plantago major Justin M. Wood 2008-11-17 226 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR201605  Plantago major Justin M. Wood 2008-11-17 226 Riverside Southwest Perris Basin, Temecula - Murrieta Creek, downstream of 1st Street bridge 305 Comment
  OBI23291  Plantago ovata Robert F. Hoover 1969-4-14 11237 Riverside Palm Springs, just S of city limits Comment
  UCR103339  Plantago ovata George K. Helmkamp 1998-2-5 2647 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR148342  Plantago ovata John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR167423  Plantago ovata John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  POM312789  Plantago ovata var. fastigiata D. Taylor 1951-3-23 19 Riverside N of Blythe along Colorado River, Maria Mt Rang. 335 Comment
  RSA596529  Plantago ovata var. fastigiata D. L. Banks 1996-7-16 1130 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road)., Along a disturbed hillside and adjacent roadside 427 Comment
  SD215599  Plantago ovata var. insularis W. Wisura, J Dolan and M Wall 1992-3-24 4626 Riverside 7.7 miles northeast of Mecca on Box Canyon Road. Comment
  POM8833  Plantago patagonica Mary F. Spencer 1920-4-10 801 Riverside Palm Springs. Colorado Desert. 122 Comment
  UCD124380  Plantago patagonica Thorjus Rendira 1923-1 s.n. Riverside Aquauga. Comment
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Mar 15 2014
  CAS-BOT-BC93214  Platanus racemosa B. D. Stark 1933-11-1 5555 Riverside Andreas Canyon, desert side of San Jacinto Mountains. Comment
  POM305297  Platystemon californicus Henry J. Ramsey, Henry J. Ramsey 1940-3-15 545 Riverside S of Corona Comment
  RSA66241  Platystemon californicus F. W. Peirson 1922-4-29 2935 Riverside South of Lake Elsinore. 381 Comment
  UCR126439  Platystemon californicus T. B. Salvato, A. C. Sanders, Mitch Provance et al. 2000-4-30 66 Riverside Riverside, Box Springs Mtns. along road to radio towers from reserve parking lot 854 Comment
  RSA0027563  Pleuraphis rigida April Garbat, Sarah Fisher, Kristin Forgrave 2013-8-1 97 Riverside Chuckwalla Valley. Intersection of Graham Pass Rd and Chuckwalla Valley Rd. 120 Comment
  RSA0065643  Pleuraphis rigida Cheryl Sevilla, Sarah J. De Groot 2015-3-18 37 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; off the Pacific Crest Trail about 2 air miles north-northwest from the Whitewater Preserve Ranger Station; on the hillside east of the Whitewater River drainage. 822 Comment
  RSA414081  Pleuraphis rigida J. S. Stubblefield 1934-9-12 s.n. Riverside Between Desert Center & Blythe. 106 Comment
  RSA0011629  Pleuraphis rigida J. Russell Bruff s.n. Riverside 3 mi. south of Garnet Comment
  CLARK-A1045-217  Pleurocoronis pluriseta George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; wash; Lost Horse Mtn. 15'Q Comment
  RSA472090  Pleurocoronis pluriseta Albert J. Perkins 1916-4-19 s.n. Riverside Palm Springs. Comment
  RSA700971  Pleurocoronis pluriseta Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11218 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UC32843  Pleurocoronis pluriseta S. B. Parish Apr 4 1896-Apr 13 1896 4122 Riverside Palm Springs (Agua Caliente), desert base of San Jacinto Mt. San Jacinto Mt. 152 Comment
  JEPS40437  Pluchea sericea W. L. Jepson May 17 1901-Jun 1 1901 1375 Riverside Palm Canyon and return to Van Deventer's Comment
  POM6853  Pluchea sericea P. A. Munz, L. T. Street, Williams 1919-3-25 2320 Riverside Palm Springs. Comment
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Jul 27 2014
  RSA0123109  Pluchea sericea Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9016 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 653 Comment
  UC1563108  Pluchea sericea Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-10 3663 Riverside below the dam Temecula Creek canyon; Vail Lake Area 457 Comment
  SEINET10941526  Pluchea sericea David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3734 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  UCD90510  Poa bigelovii H. K. Wagnon 1944-3-19 345 Riverside Palm Springs. Along south side of Tahquitz Creek. Comment
  UCR202573  Poa pratensis Scott D. White, Justin M. Wood 2008-7-8 12389 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  SEINET192616 Image available Poa scabrella Philip A. Munz 1940-3-22 15658 Riverside North slope, Whitewaqater Canyon, 2 miles north of Banning-Indio boulevard Comment
  UCR23303  Poa secunda John C. Roos 1952-4-2 5453 Riverside Edgemont, near Box Springs 488 Comment
  UCR91491  Poa secunda Scott D. White 1995-4-5 2724 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UC1022815  Poa secunda subsp. secunda Philip A. Munz 15658 Riverside 2 mi n Banning (Indio Blvd); Whitewater Canyon Comment
  UC188893  Poa secunda subsp. secunda F. M. Reed 1905-2-26 671 Riverside 1/8 mi e of Victoria Club House Riverside (bank of Arroyo Tequesquite) Comment
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Jul 30 2006
  UC39551  Poa secunda subsp. secunda H. M. Hall June, 1901 2064 Riverside San Jacinto Mts 1615 Comment
  RSA774301  Polygonum Duncan S. Bell 2011-4-7 2181 B Riverside The east side of the Arica mountains; approximately 1.2 air miles north of Priests Well. or approximately 4.5 air miles southwest of the ghost town of Rice. 308 Comment
  RSA785070  Polygonum arenastrum Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 78 Riverside Fobes Ranch road turn from Hwy 74 Comment
  CAS-BOT-BC413754  Polygonum argyrocoleon Lewis S. Rose 1962-3-2 62011 Riverside La Quinta 3 Comment
  RSA554280  Polygonum argyrocoleon Scott D. White 1992-2-25 92 -11 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  RSA557344  Polygonum argyrocoleon Julie Greene 1993-5-12 1309 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 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
  UC582926  Polygonum hydropiperoides Philip A. Munz 1935-10-21 14652 Riverside below Rincon; Santa Ana River Comment
  SBBG55018  Polypodium californicum D. Keil, M. McLeod 1977-3-26 12005 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  POM20514  Polypodium hesperium E. C. Jaeger 1923-6-28 s.n. Riverside Long Valley, San Jacinto Mountains 2590 Comment
  UCR23346  Polypodium hesperium John C. Roos 1936-9-15 2512 Riverside San Jacinto Mountains, Devil's Slide Trail above Idyllwild. Comment
  UCR2721  Polypogon australis F. M. Reed 1907-9-21 1949 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside. Spring Brook in Pellisier's horse pasture 250 Comment
  UCR189544  Polypogon interruptus Fred M. Roberts, S. Leatherman 2007-9-19 6581 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UC821249  Polypogon monspeliensis P. A. Munz 1922-6-23 5774 Riverside San Jacinto Mts. Hemet Valley; , Hemet Valley 1371 Comment
  IRVC174  Polystichum imbricans subsp. curtum Mike McCartin 1965-4-24 HS 551 Riverside highway 74; Mountain Center. Peninsular Ranges, San Jacinto Mountains Comment
  UCSB30923  Polystichum munitum Parker, V. 1974-5-7 Riverside San Jacinto Mtn., on Hwy 74, E of Hemet on the E side of the mountain. 1310 Comment
  UC1424872  Porophyllum gracile Robert F. Thorne and R. Carolin 1967-3-21 41644 Riverside Cottonwood Springs Joshua Tree Natonial Monument Comment
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Oct 9 2010
  UC1929601  Porophyllum gracile Scott D. White 2001-3-13 8158 Riverside PERRIS / ELSINORE BASINS: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. Comment
  RSA519209  Potamogeton crispus M. Lee Overholtzer 1960-8-3 83 Riverside 1/2 mile down stream from Prado Dam on the Santa Ana River, Santa Ana Mts, Santa Ana River, Riverside County Comment
  UCR24108  Potamogeton diversifolius John C. Roos 1937-8-18 2533 Riverside San Jacinto Mtns, Hidden Lake Comment
  UCSC000938  Potentilla glandulosa Peter Kamb 1947-5-17 522 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  RSA172308  Prosopis glandulosa var. torreyana Robert F. Thorne 1963-3-29 32427 Riverside Colorado Desert, 12 miles ENE of Mecca. Comment
  RSA652726  Prosopis glandulosa var. torreyana Jack Stennes 1949-4-16 s.n. Riverside Desert near oasis. 0 Comment
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Apr 6 2011
  CAS-BOT-BC216522  Prosopis pubescens Alice Eastwood 1913-4-30 3062 Riverside Palm Springs Comment
  SD143888  Prosopis pubescens A. C. Sanders, P. MacKay, G. Helmkamp, J. Stewart, C. L. Sanders 1994-12-4 15880 Riverside Colorado Desert, Salton Trough, Dos Palmas oasis area, San Andreas Palm Grove, 1.75 km WSW of Rancho Dos Palmas, on the margins of grove; marked 'seep' on Durmid 7.5' quad. -22 Comment
  UC667311  Prunus fasciculata Annie M. Alexander and Louise Kellogg 1941-5-26 2244 Riverside Monsen Canyon, Eagle Mountains, Colorado Desert Monsen Canyon; Eagle Mountains, Colorado Desert, Monsen Canyon 914 Comment
  UC861038  Prunus fasciculata C. L. Hitchcock 1940-4-2 5916 Riverside Cottonwood Spring, Joshua Tree National Monument Cottonwood Spring; Joshua Tree National Monument, Cottonwood Spring Comment
  SBBG35034  Prunus fasciculata var. fasciculata S. W. Hutchinson -Apr-1927 955 Riverside Cottonwood Springs Comment
  CHSC34552  Prunus fremontii John A. Hall 1971-2-15 3 Riverside Ca. 36 mi. SE of Hemet, ca. 6 mi. SE of Anza on Coyote Cyn. trail in Santa Rosa Mtns. 1127 Comment
  RSA453236  Prunus fremontii Robert Gustafson, Gary D. Wallace 1982-5-19 2565 Riverside Pines to Palms Hwy. (Hwy. 74), between 7-level Hill and Black Hill. Comment
  SBBG3057  Prunus fremontii M. Van Rensselaer 1937-6-23 Riverside Palms to Pines Hwy Comment
  UCR140659  Prunus virginiana var. demissa Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 13- 88 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles north of Idyllwild on Hwy 243 near Vista Grande, Site L13 1558 Comment
  UCR169396  Prunus virginiana var. demissa T. B. Salvato, John F. Green 2004-5-27 606 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR26135  Pseudognaphalium biolettii John C. Roos 1952-2-29 5374 Riverside Reche Canyon Comment
  RSA736853  Pseudognaphalium leucocephalum Scott D. White, Angelia Carey 2004-7-2 10594 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SEINET13276756 Image available Pseudognaphalium luteoalbum Mitch Provance 2012-1 196 -06 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave (Riverside 7.5' Q.) 226 Comment
  UCR169163  Pseudotsuga macrocarpa June Latting 1972-5-3 s.n. Riverside San Jacinto Mtns, 1 mile east of Keen Summit, 2.5 miles east of Mountain Center (junction of Calif. Hwy 74 and Calif. Hwy 243), a short distance east of Pasadena YMCA camp on the south side of Calif. Hwy 74 1402 Comment
  UCR154544  Psilocarphus brevissimus Jason L. Hlebakos 2005-5-13 672 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, large vernal pool on Mesa de Colorado, c. 4 mi SE of Squaw Mtn 634 Comment
  UCR202015  Psilocarphus brevissimus Karin Cleary-Rose 1998-3-6 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Palmieri property, 25 acre parcel in western Hemet, south of Hwy 74, west of Warren Rd, directly east of the San Diego Aqueduct and c. 500 ft. east of Salt Creek, north of Stetson Ave. 527 Comment
  CAS-BOT-BC353577  Psorothamnus arborescens var. simplicifolius David Dreyer 1971-4-3 194 Riverside ca. 1 miles south of junction of Highway 62 and Indian Ave., north of Indio Comment
  JOTR29306  Psorothamnus arborescens var. simplicifolius La Doux, Tasha, Mike Bell 2006-5-17 1383 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UC168707  Psorothamnus arborescens var. simplicifolius S. B. Parish 1907-4-23 6108 Riverside Palm Springs , Palm Springs (Colorado Desert) Comment
  LA205189  Psorothamnus emoryi A. M. Johnson; 1933-4-28 4225 Riverside below Palm Springs, over mountains to Hemet Comment
  RSA403987  Psorothamnus emoryi Christopher Davidson 1979-4-29 7819 Riverside West of Indio, 3 miles E of Date Palm Drive. 15 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
  SBBG32414  Psorothamnus emoryi L. S. Rose 1959-1-9 Riverside Palm Desert 30 Comment
  RSA91372  Psorothamnus emoryi F. W. Peirson 1924-12-30 5417 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  RSA784975  Psorothamnus spinosus Duncan S. Bell 2012-3-18 3218 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  CAS-BOT-BC421251  Pterostegia drymarioides Geo. B. Grant 1898-3-15 s.n. Riverside Riverside Comment
  SD261010  Pterostegia drymarioides Mitch Provance 2012-5-24 512 9 Riverside San Bernardino Mountains; Banning, foothills and alluvial fan near border with Beaumont, NE of the intesection of Highland Springs Avenue and Wilson St. (Beaumont 7.5'Q) 868 Comment
  RSA314480  Pulicaria hispanica R. F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55373 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  JOTR35515  Pulicaria paludosa La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3202 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  UCR138601  Quercus agrifolia var. agrifolia D. L. Banks 1996-11-7 1209 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, 0.5 km west of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 427 Comment
  RSA709080  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner 2005-8-12 31548 Riverside east of Vandeventer Flat along Hwy 74, 0.8 mile west of Santa Rosa Mtn. Rd. 1311 Comment
  SDSU13915  Quercus berberidifolia Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2148 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  UCR149943  Quercus berberidifolia Scott D. White 2004-10-8 10775 Riverside Peninsular Ranges, 'Black Hills,' southeast of Lake Skinner and north of Oak Mountain 640 Comment
  UCR51371  Quercus berberidifolia Maureen Hales Pendleton 1988-2-1 s.n. Riverside Peninsular Range, c. 2.5 mi. south of Temecula between Interstate Hwy 215 and Rainbow Canyon Road. 412 Comment
  LA46436  Quercus chrysolepis W. E. Pequegnat; 1937-1 sn Riverside Santa Ana Mountains Comment
  CAS-BOT-BC45770  Quercus cornelius-mulleri Paul F. Covel 1937-4-21 s.n. Riverside Hiden Valley Comment
  RSA503824  Quercus cornelius-mulleri M. B. Dunkle 1933-5-6 3378 Riverside Dry Morongo Creek. Comment
  SD229173  Quercus cornelius-mulleri Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 643 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  SD229174  Quercus cornelius-mulleri Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 633 Riverside Mt. San Jacinto 1085 Comment
  UCR273241  Quercus durata var. gabrielensis Mitch Provance, Jeremiah George 2012-1-30 17371 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft. W of Bolo Ct. and 2500 ft. S of W 4th St. 762 Comment
  RSA192356  Quercus engelmannii E. W. Lathrop 1965-9-22 6028 Riverside 8 miles west of Murrieta. Comment
  UCR60994  Quercus engelmannii B. G. Pitzer 1988-6-10 1051 Riverside Santa Ana Mtns., Rancho California area, intersection of Sandia Creek Road and La Cruz Drive Comment
  JOTR31147  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
  RSA39267  Quercus john-tuckeri P. A. Munz 1946-10-21 11592 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  UCR165196  Quercus palmeri D. E. Bramlet, Fred M. Roberts 2004-4-13 3552 Riverside Perris-Aguanga Basin, South Bernasconi Hills, 1.3 km south of Ramona Expressway and 1.4 km west of San Jacinto River 515 Comment
  SEINET3382770  Quercus turbinella Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17496 Riverside 300m south of Desert Queen Mine (McHaney;s Mine), 12.5km SSW of Twenty Nine Palms, 1.5km ESE of Negro Hill, Canyon of granite outcroppings and boulders. 1360 Comment
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Aug 24 2013
  UCR51925  Quercus wislizeni Steve Boyd 1987-11-23 2096 Riverside Perris-Aguanga basin region, Mt. Russell, north of Lake Perris, Moreno Valley. 762 Comment
  SD229182  Quercus wislizeni var. frutescens Dick Schwenkmeyer 2012-4-18 702 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
  RSA613719  Rafinesquia californica D. L. Banks 1997-4-5 1694 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  RSA472422  Rafinesquia neomexicana N. Cooper 1949-4-8 3281 Riverside Shavers Summit east of Indio 610 Comment
  RSA663886  Rafinesquia neomexicana C. R. Annable 1995-3-9 2253 Riverside ca. 14.5km NW of Palm Springs. N slope of Whitewater Hill. Comment
  RSA749946  Rafinesquia neomexicana Justin M. Wood 2009-3-26 413 Riverside Thousand Palms, Ramon Rd., 1.4 miles E of Monterey Ave., just E of Edison substation. 61 Comment
  UCR267888  Rafinesquia neomexicana Jim Andre 2013-3-4 23865 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  RSA95061  Rafinesquia neomexicana F. W. Peirson 1920-2-16 2762 Riverside Garden of Eden at Palm Springs Comment
  SDSU10077  Ranunculus aquatilis W. T. Williams 1962-5-12 Riverside San Jacinto Mountains, 8.0 miles on Hwy beyond Idyllwild, North side of road in lake by park, Northeast of lake. 1890 Comment
  RSA0013021  Ranunculus californicus LeRoy Gross, Grace Cho 2013-4-9 6006 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  CAS-BOT-BC378491  Ranunculus californicus var. californicus E. W. Lathrop 1960-4-8 4745 Riverside 14 mi west of Murrieta Comment
  SD237582  Ranunculus muricatus O. F. Clarke 2004-3-22 Riverside Peninsular Range: Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus (Riverside East 7.5'Q) 351 Comment
  UCR182102  Ranunculus occidentalis Tom Chester 2006-2-26 868 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: S. Trans Preserve Trail, just below top of Mesa de Colorado, ~0.75 miles (1.2 km) due west of Santa Rosa Ranch 588.4 Comment
  SDSU1243  Raphanus sativus D. Hunsaker 1962-4-10 Riverside Three miles SSW from Temecula. Comment
  SEINET998620  Rhamnus californica T. B. Salvato 2004-1 597 Riverside San Bernardinos Mtns: head of Banning (San Gorgonio River) Canyon San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  UCR136163  Rhamnus californica subsp. tomentella A. C. Sanders 2004-6-20 28215 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
  RSA180358  Rhamnus crocea E. W. Lathrop 1965-5-30 5772 Riverside 6 miles W of Murrieta. Comment
  UCR241774  Rhamnus crocea A. C. Sanders, Timothy W. Chumley 2013-3-29 40712 Riverside Peninsular Range; Elsinore Area, Alberhill, Lake St. at Riverside Co. conservation reserve, 0.28 km south of intersection with Temescal Canyon Rd. 378 Comment
  RSA0034868  Rhododendron occidentale Norman C. Cooper 1944-6-17 1403 Riverside San Jacinto Mountains, above Banning. 1371 Comment
  JOTR32000  Rhus aromatica La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2230 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  SEINET3080877 Image available Rhus lancea A. C. Sanders, P. MacKay, T. Thomas, G. Helmkamp 1997-2-8 19686 Riverside Colorado Desert/San Jacinto Mtns.: Palm Springs area, Murray Canyon off Palm Canyon 244 Comment
  JEPS66259  Rhus ovata W. L. Jepson 1901-5-31 1566 Riverside Temecula River, from Riverside to Santa Rosa Peak and Palomar Temecula River Comment
  RSA650233  Rhus ovata Phil Elliott 1981-2-16 10 Riverside S. of Lake Elsinore, On CA Hwy 74. 4.2 miles south of Grand 548 Comment
  UC729537  Rhus ovata Carl B. Wolf 1932-5-24 Riverside 1/2 mi below;n base of San Jacinto Mountains Fish Hatchery; San Jacinto Mountains, Snow Creek Canyon 548 Comment
  UCR34999  Rhus ovata L. B. Ziegler 1974-4-2 522 Riverside San Jacinto Mountains, foothills of the San Jacinto Mountains, hillside slopes of lower Bautista Canyon 612 Comment
  RSA667365  Rhus trilobata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25014 Riverside The Badlands: Laborde Canyon and Adjacent s,opes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont., 33 53 45 N, 117 01 30 W 549 Comment
  SEINET244848  Rhus trilobata A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24925 Riverside The Badlands; Hills and canyons west of Laborde Canyon, 1 mi NE of Eden Hot Springs, SW of Beaumont Comment
  JEPS49432  Ribes cereum W. L. Jepson 1901-5-25 1450 Riverside trail to Santa Rosa Peak Comment
  CAS-BOT-BC212233  Ribes quercetorum Scott D. White 1995-4-5 2752 Riverside SW of Juniper Flat Rd. 579 Comment
  RSA709708  Ribes quercetorum A. C. Sanders 2004-5-5 27766 Riverside Gavilan Hills: Route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  UCR59924  Romneya coulteri Ed LaRue 1989-4-26 s.n. Riverside Lake Elsinore, 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons 488 Comment
  RSA449716  Rosa californica M. B. Dunkle 1933-7-20 3705 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  SD51953  Rumex acetosella Reid Moran 1962-7-7 9862 Riverside By Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  UC6967  Rumex salicifolius var. salicifolius H. M. Hall Jul 1901 2525 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UC850618  Rumex salicifolius var. salicifolius I. W. Clokey and E. G. Anderson 1936-8-21 6601 Riverside Fuller Creek 1500 Comment
  RSA477743  Sagina saginoides Kessler 1921-9-1 s.n. Riverside Mt. San Jacinto. Comment
  RSA401567B  Salazaria mexicana N. C. Cooper 1944-7-15 1541 Riverside Banning. 701 Comment
  SEINET2065953 Image available Salazaria mexicana A. C. Sanders, K. Rose 1995-4-5 16373 Riverside San Bernardino Mtns. Coachella Valley, alluvial slopes and foothills S of Mission Creek and E of Hwy 62. 520 Comment
  UCR17313  Salazaria mexicana N. R. Zabriskie, W. W. Zabriskie 1972-3-30 504 Riverside San Jacinto Mtns, below Pinyon Crest in Chapman's Rancheros area toward Dos Palmas Spring, NW of Hwy 74. Site 11. 1098 Comment
  UCR243157  Salazaria mexicana LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4292 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  UCR88296  Salazaria mexicana A. C. Sanders, K. C. Rose 1995-4-5 16373 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA737229  Salicornia virginica Justin M. Wood 2008-9-22 149 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CAS-BOT-BC103904  Salix exigua Frank W. Peirson 1933-4-15 10650 Riverside Whitewater River, 4 1/2 miles above the bridge 701 Comment
  SBBG58880  Salix exigua F. R. Fosberg 1932-3-3 8082 Riverside Coachella Valley Comment
  UCR93234  Salix exigua A. C. Sanders 1994-7-27 15161 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  SBBG29056  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-13 602 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Eiverside 240 Comment
  RSA0014930  Salix laevigata LeRoy Gross, Caitlin Elam 2013-5-14 6179 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR116461  Salix laevigata A. C. Sanders, T. B. Salvato 2001-3-30 23857 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
  UCR215612  Salix lasiolepis Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 10 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  UCR99586  Salix lasiolepis A. C. Sanders, S. Hawkins 1996-4-24 18091 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  SBBG1262  Salix scouleriana M. Van Rensselaer 1937-6-24 Riverside San Jacinto Mtns 1767 Comment
  CDA1356  Salsola australis R. E. Riefner Jr. 2007-2-19 Jul- 69 Riverside Hemet; Florida Ave (Hwy 74) .25 mi N of Warren Rd. at MWD Right of Way 0 Comment
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Nov 27 2013
  RSA525435  Saltugilia australis Steve Boyd, D. E. Bramlet 1990-4-29 4480 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA606300  Saltugilia australis Jon E. Keeley 1994-4-22 25332 Riverside Shipley Reserve. 590 Comment
  RSA628607  Saltugilia australis H. A. Haid 1968-1 s.n. Riverside San Jacinto Mountains: Bautisa Canyon, above the confluence with Horse Creek 878 Comment
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May 21 2016
  RSA516420  Saltugilia caruifolia W. Wisura, Bart O'Brien, Tom Hayduck 1990-5-2 4425 Riverside Ortega Hwy. below switchbacks above Lake Elsinore, in burned areas. Comment
  POM230737  Saltugilia splendens I. W. Clokey, E. G. Anderson 1933-8-21 6827 Riverside Keen Camp P. O. [Post Office] Riverside 1350 Comment
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Oct 30 2011
  RSA469679  Saltugilia splendens N. C. Cooper 1944-6-17 1385 Riverside San Jacinto Mountains: above Banning. 1372 Comment
  RSA450306  Salvia apiana J. C. Roos 1948-5-8 3824 Riverside Whitewater. 549 Comment
  SD137722  Salvia apiana Darin L. Banks, Steve Boyd 1995-5-9 350 Riverside North of the Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area. 730 Comment
  RSA500077  Salvia carduacea Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3235 Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  UCR48367  Salvia carduacea Steve Boyd 1986-5-1 1818 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  IRVC2077  Salvia columbariae R. H. Whittaker, W. A. Niering 1963-5-30 SJ 85 92 Riverside Palm Desert to Mountain Center, Santa Rosa Mountain Rd. Santa Rosa Mountains 1524 Comment
  JOTR31858  Salvia columbariae La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2115 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA649328  Salvia columbariae T. W. Niilus 1970-3-16 N 69 Riverside Collected 3mi NW of Alberhill. 396 Comment
  RSA783218  Salvia columbariae J. D. Olmsted 1962-6-23 5228 Riverside 1/2 mile south of conservation-detention school east of Oak Glen, southeast of San Bernardino Mountains 1524 Comment
  UC1287103  Salvia columbariae C. L. Hitchcock 1966-3-15 24155 Riverside 1 mi e Glen Ivy Hot Springs Comment
  UC883899  Salvia columbariae P. A. Munz and I. M. Johnston 1922-5-19 5367 Riverside 5 mi ne Murietta 457 Comment
  UCR50919  Salvia columbariae A. C. Sanders 1988-5-11 7799 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  UCSB44881  Salvia columbariae Collins, Elizabeth 1977-3-30 Riverside Corn Springs Campground; 8 miles south of Hwy. 10; base of Chuckwalla Mts 457 Comment
  UCSB5772  Salvia columbariae Graney, Don 1953-3-20 Riverside One half mile from White Water; up White Water Canyon Comment
  RSA434139  Salvia mellifera Gale Sphon 1955-3-5 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  UCR91728  Salvia mellifera A. C. Sanders, J. Goetzen 1996-5-1 18132 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  UC104491  Salvia pachyphylla C. R. Orcutt 1896-7-30 2107 Riverside Summit of Tauquitz Peak; San Jacinto Mts. Comment
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Sep 7 2011
  UCR35325  Salvia pachyphylla L. B. Ziegler 1970-8-28 418 Riverside Santa Rosa Mtns, Santa Rosa Mountain 2439 Comment
  CAS-BOT-BC233340  Salvia vaseyi E. K. Balls 1959-6-25 23860 Riverside Along road to 29 Palms, 7.5 mi. N. of jct. with U.S. Hwys. 60/70/99 381 Comment
  UC511829  Salvia vaseyi Frank W. Peirson 1933-4-13 10635 Riverside road from Deep Canyon to Idyllwild 487 Comment
  JEPS12757  Sambucus mexicana W. L. Jepson 1935-4-21 17157 Riverside near branch road to Pines; Aguanga 603 Comment
  UCR174124  Sambucus mexicana A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32585 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
  UCR95461  Samolus parviflorus D. L. Banks, Lauren Raz 1996-8-29 1139 Riverside Agua Tibia Mountains, NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. Along Arroyo Seco, north of Wildhorse Peak, before the drainage bends to the south. 549 Comment
  CHSC114153  Sanicula bipinnatifida A. C. Sanders; T. B. Salvano 2011-4-1 38957 Riverside Peninsular Range:Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74. 404 Comment
  POM3180  Sanicula bipinnatifida Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near Murrieta. Comment
  POM9015  Sanicula bipinnatifida P. A. Munz, Harwood 1920-3-20 3382 Riverside 5 miles S of Corona. 305 Comment
  CLARK-A1528-1455  Sanicula tuberosa John C. Roos 1937-3-6 1304 Riverside Reche Canyon Comment
  UCR131798  Sarcostemma cynanchoides subsp. hartwegii Mitch Provance 1998-6-24 755 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  UCR214864  Sarcostemma hirtellum A. C. Sanders 2010-3-23 37526 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  SEINET229293 Image available Schismus barbatus L. M. Shultz, JS Shultz 1985-4-17 8299 Riverside Palo Verde Valley washes north of Blythe at the southern extension of the Big Maria Mountains 91 Comment
  SEINET4568274 Image available Schismus barbatus Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4598 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCD93094  Schismus barbatus Collector unknown 1951-1-1 s.n. Riverside Palm Springs. Comment
  UCR91432  Schismus barbatus Scott D. White 1995-3-30 2643 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
  RSA583370  Schismus barbatus Steve Boyd, Darin Banks 1995-4-5 8428 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  CAS-BOT-BC111576  Schoenoplectus americanus John Thomas Howell 1928-1-28 3286 Riverside Along stream, Thousand Palms, Colorado Desert. Comment
  CAS-BOT-BC111579  Schoenoplectus americanus P. A. Munz; Street; Williams 1919-3-26 2335 Riverside Figtree John's Spring near Salton Sea standing in water. -60 Comment
  UCR121818  Schoenoplectus americanus A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24600 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  POM1405  Schoenoplectus maritimus Phillip A. Munz 1918-4-27 2129 Riverside Between Murrieta and Temecula. Comment
  RSA91579  Schoenoplectus maritimus F. W. Peirson 1922-4-29 5376 Riverside Roadside ditch, Temecula, Riverside Co., California. Comment
  UCR57153  Scirpus cernuus Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta. Mouth of a small SW-draining channel on the SW side of Mesa de Burro Comment
  RSA567437  Scrophularia californica J. Wear, Tim Wade 1991-5-7 91 -31 Riverside SW flank of Double Butte, SW of Homeland and N of Grand Ave. 427 Comment
  CAS-BOT-BC214219  Scutellaria bolanderi subsp. austromontana S. B. Parish; W. F. Parish 1882-6-1 474 Riverside Near Toll House, San Jacinto River Comment
  LA55078  Scutellaria mexicana Elizabeth McClintock; 1936-4-11 sn Riverside Palms to Pines Highway Comment
  UCR151435  Scutellaria tuberosa D. L. Banks 1997-3-5 1704 Riverside Palomar Mtns., Agua Tibia Mtns: Agua Tibia Wilderness Araea. south of Dorland Mtns. just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  RSA0074744  Sedum spathulifolium Steve Boyd, Darin L. Banks 1995-3-30 8415 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  JOTR37747  Selaginella bigelovii Hodges, Stephen R., Aliya Ingersoll 2016-2-24 661 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Upper Long Canyon Comment
  RSA585637  Selaginella bigelovii Darin L. Banks, Steve D. Boyd 1995-3-15 72 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  CAS-BOT-BC327392  Senecio aphanactis Mrs. Wilder 1909-4-1 s.n. Riverside Near Riverside Comment
  HSC85281  Senecio californicus Steve Boyd 1986-5-1 1822 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  SEINET3094739 Image available Senecio douglasii Norman C. Cooper 1943-9-26 926 Riverside Cabazon 549 Comment
  RSA28015  Senecio douglasii var. monoensis C. L. Hitchcock 1940-4-5 5964 Riverside 3 miles below Cottonwood Springs Comment
  RSA335026  Senecio flaccidus var. douglasii Steve Boyd 1985-8-7 1113 Riverside Clinton Keith Road, 1.7 mi. E of gate to The Nature Conservancy Preserve. Comment
  RSA596159  Senecio flaccidus var. douglasii D. L. Banks 1996-11-7 1219 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 60 m E of its intersection with Pechanga Creek. 396 Comment
  POM13264  Senecio mohavensis E. C. Jaeger 1922-3-4 116 Riverside Painted Canyon near Mecca. Comment
  SBBG8768  Senecio mohavensis H. and M. Dearing 1942-3-10 4827 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  UCR99860  Senecio vulgaris Scott D. White 1993-3-3 1102 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCD108465  Senegalia greggii R. Tofsrud 1950-4-1 s.n. Riverside 15 miles N of Blythe, Hwy. 95. Comment
  SEINET2116165  Setaria adhaerens R. E. Riefner Jr. 2005-10-7 05 -723 Riverside Tequesquito Arroyo Park, Riverside West Quad: City of Riverside, residential lots along Elderwood Ct. at Tequesquito Ave 240 Comment
  UCD92673  Setaria adhaerens Malcolm A. Nobs; S. Galen Smith 1948-9-3 491 Riverside Imperial Valley. 2 miles north of Indio. Comment