Search Results — 2000 specimen records retrieved (1870 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SEINET945977  Abronia umbellata Forrest Shreve 1933-1 6307 Riverside Beach near Carlsbad. Comment
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Feb 2 2014
  CAS-BOT-BC229329  Abronia villosa L. R. Abrams 1913-7-16 5010 Riverside Between Elsinore & Corona, Riverside Canyon Comment
  OBI26123  Abronia villosa David J. Keil 1976-12-12 11923 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  UCR165275  Abronia villosa John F. Green 2005-2-4 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  CLARK-A1528-3255  Abronia villosa var. aurita John C. Roos 1942-6-20 1279 Riverside San Jacinto Valley Comment
  HSC24824  Acacia greggii James Henrickson 1971-4-2 5474 Riverside Hidden Oasis, 13 mi. E of Palm Spring 183 Comment
  JOTR16556  Acamptopappus sphaerocephalus var. sphaerocephalus Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  UC469096  Acamptopappus sphaerocephalus var. sphaerocephalus E. E. Schellenger 1911-4-25 Riverside Point of Rocks; Colorado Desert, Whitewater Comment
  UC598738  Acamptopappus sphaerocephalus var. sphaerocephalus John Bright 1936-4-21 12816 Riverside north of Palm Springs; Colorado Desert Comment
  RSA494635  Achnatherum coronatum Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  SD233271  Achyronychia cooperi Justin M. Wood 2009-3-26 394 Riverside Colorado Desert: Western foothills of Mecca Hills A+-0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. In an unnamed wash draining to the west. 21 Comment
  SEINET957109  Acmispon argophyllus N. Cooper 1944-1 1061 Riverside Andreas Canyon. 305 Comment
  CAS-BOT-BC213473  Acmispon argophyllus var. argophyllus Roxana S. Ferris; Ruth P. Rossbach 1938-5-19 9656 Riverside Desert side of Pinon Belt divide, State Highway #__ Comment
  OBI52767  Acmispon argophyllus var. argophyllus B. Pitzer & A. C. Sanders, A. C. Sanders 1987-4-21 498 Riverside Box Springs Mts, near Southernmost radiotowers (Riverside E 7.5' quad: T2S, R4W, SE 1/4 sec 27 792 Comment
  SEINET3245946  Acmispon glaber var. brevialatus T. B. Salvato, Matt Malle, Tim Searl 2011-1 5161 Riverside Peninsular Range; Gavilan Hills: Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and HWY 15 (Alberhill 7.5') 463 Comment
  SD73624  Acmispon rigidus Helen V. Witham 1970-4-29 824 Riverside 22 miles east of Lake Hemet. 1299 Comment
  UCR3464  Acourtia microcephala Tom Painter 1964-5-12 51264 3 Riverside Box Springs Mtns., Two Trees Canyon 445 Comment
  UCR121304  Adenostoma fasciculatum A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24995 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  RSA20025  Adenostoma sparsifolium I. W. Clokey, E. G. Anderson 1935-8-21 6674 Riverside West of Keen Camp P. O. 1200 Comment
  SEINET3077277 Image available Adenostoma sparsifolium H. S. Gentry 1954-7-25 14250 Riverside Dripping Springs along Rte 79. Comment
  CAS-BOT-BC69649  Adiantum capillus-veneris Edmund C. Jaeger 1922-3-18 s.n. Riverside Eagle Canyon, 4 mi. e. of Palm Springs. Comment
  UCR248025  Ageratina adenophora O. F. Clarke 2010-1 s.n. Riverside Peninsular Range, Riverside, UCR Botanic Garden 412 Comment
  UC36749  Agnorhiza ovata H. M. Hall June 1901 2170 Riverside Thomas Valley San Jacinto Mts. 1371 Comment
  UCR34897  Agoseris retrorsa L. B. Ziegler 1969-6-3 371 Riverside San Jacinto Mtns, Thomas Mtn. 1835 Comment
  UCSB6321  Agoseris retrorsa Keator, Glenn 1948-7-3 Riverside Hall Canyon, San Jacinto Mts. 1706 Comment
  SD181782  Agrostis exarata Scott D. White 2000-8-5 8107 Riverside San Jacinto Mountains, near Mountain Center, unnamed ephemeral drainage (tributary to South Fork, San Jacinto River); Idyllwild [quad]. 1402 Comment
  RSA192237  Agrostis pallens E. W. Lathrop 1960-5-27 5215 Riverside 6 miles west of Murrieta. Comment
  UCR168614  Agrostis viridis T. B. Salvato, John F. Green 2004-5-27 576 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
  UCR125292  Albizia julibrissin A. C. Sanders 2002-11-21 25635 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  SD254649  Allionia incarnata A. C. Sanders, Jim Malusa 2016-3-18 42371 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Denlap (Iris Pass 7.5'Q) 537 Comment
  UC68615  Allionia incarnata H. M. Hall Apr 1905 5808 Riverside 10 mi w of Coachella (Colorado Desert); Colorado Desert 60 Comment
  UCR144755  Allionia incarnata Scott D. White, Michael Honer 2003-5-14 9302 Riverside Sonoran (Colorado) Desert, bajada at foothills of Little Maria Mtns, c. 20 air miles NW of Blythe, near Standard (='Superior') Gypsum Mine 122 Comment
  UCR90327  Allionia incarnata Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  RSA0048297  Allium burlewii Elwood Fordham 1951-5-25 s.n. Riverside San Jacinto Mtn. 1828 Comment
  RSA763408  Allium cratericola Justin M. Wood 2009-5-11 694 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  IRVC12870  Allium denticulatum C. A. Taylor 1966-5-15 66 144 Riverside Pinyon Flats; San Bernardino National Forest; near Hwy 74; ca. 20 yds from the road. San Jacinto Mtns Comment
  SD127567  Allium fimbriatum var. munzii Steve Boyd 1986-4-22 1781 Riverside Grassy area on clayey soil over cobble, shallow north-facing draw, just west of third powerline tower, north of summit. 840 Comment
  RSA100190  Allium haematochiton I. T. Weeks 1955-5-4 s.n. Riverside 1/2 mile east of Gorgeous George s turkey ranch, northwest of Beaumont. Comment
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Jun 15 2011
  UC64076  Allium lacunosum H. M. Hall May 17 1901-Jun 1 1901 1858 Riverside e base of San Jacinto Mt. San Jacinto Mt. Comment
  RSA559356  Allium lacunosum var. davisiae Steve Boyd 1992-5-15 7386 Riverside Southern Santa Ana Mountains, southeastern flank of Elsinore Peak at Onion Hill , a grassy knoll about 1/4 mile E of radio towers, along old Main Divide Road track 1021 Comment
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Apr 7 2011
  UCD169115  Allium marvinii Jeff B. Galvin; Diane Menuz 2009-5-1 89 Riverside San Jacinto Mtns foothills, Northwest foothills of San Jacinto Mtns foothills. North of Soboba Rd, off Poppet Flats Truck trail. 816 Comment
  RSA366476  Allium munzii B. C. Templeton 1931-3-23 s.n. Riverside Near Gavilan Alt. 600 m. 600 Comment
  UCR22139  Allium munzii Steve Boyd 1980-5-17 289 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR64626  Allium munzii B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1477 Riverside Gavilan Hills, near Gavilan Peak, west of Perris 400 Comment
  CAS-BOT-BC132054  Allium peninsulare var. peninsulare John Thomas Howell 1930-5-10 4792 Riverside St. John's Grade Comment
  RSA411100  Allophyllum glutinosum Albert J. Perkins 1924-5-11 s.n. Riverside Trail to Santiago Peak, near Glen Ivy Hotel, N. Elsinor. Comment
  RSA91231  Alnus rhombifolia F. W. Peirson 1928-3-10 7698 Riverside along irrigation ditch, Snow Creek Auto Camp at Whitewater, head of Coachella Valley. Comment
  UCR113632  Alopecurus saccatus June Latting 1978-6-4 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, Mesa de Burro 610 Comment
  POM153376  Amaranthus californicus P. A. Munz, I. M. Johnston 1928-9-12 11247 Riverside Temescal Canyon, Lee s Lake. Comment
  CAS-BOT-BC13615  Ambrosia acanthicarpa Lewis S. Rose 1935-12-21 35679 Riverside Cabazon 609 Comment
  POM263162  Ambrosia acanthicarpa J. C. Roos 1937-8-19 359 Riverside Thomas Valley, San Jacinto Mts. Comment
  UCR251771  Ambrosia confertiflora S. J. Myers 2014-7-2 s.n. Riverside Banning, SE of intersection of Westward Ave. and 8th St. Comment
  LA202918  Ambrosia dumosa A. M. Johnson; 1932-3-19 3874 Riverside below [S of] Palm Springs Comment
  UCSB7135  Ambrosia dumosa Hurd, Richard 1956-4-14 Riverside On road to Devils Garden, 3 mi. from Highway 99 Comment
  UCR121890  Ambrosia psilostachya Ian G. Gillespie 2001-5-7 77 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  UCR171902  Ambrosia pumila 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
  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-BC273014  Ambrosia salsola L. R. Abrams 1926-3-26 11021 Riverside Palm Springs Comment
  LA99443  Ambrosia salsola Hisao P. Arai; 1957-4-17 sn Riverside off Highway 60; 1 mi. S of Cabazon Comment
  RSA778007  Ambrosia salsola J. Andre 2011-2-9 15934 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
  SEINET2052885 Image available Ambrosia salsola John Adams 1966-3-12 457 Riverside Hwy 74 2 mi. above Palm Desert. 609 Comment
  UCD128883  Ambrosia salsola William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  SEINET10797878  Ambrosia salsola var. pentalepis David B. Dunn 1948-2-21 Dunn 3656 Riverside Found in wash. Pushawalla Canyon, Indio Hills of the Colorado Desert; west of Indio. Comment
  SBBG25159  Ambrosia salsola var. salsola Leota Davidson 1965-5-14 113 Riverside Pinto Wash, Joshua Tree Nat Monument Comment
  UC912204  Ambrosia salsola var. salsola Herbert L. Mason 1928-3-10 4220 Riverside Hidden Springs Canyon Coachella Mountains Comment
  SEINET238514  Ammannia coccinea A. C. Sanders, Mitch Provance 1999-9-26 23114 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 H 433 Comment
  JEPS14148 Image available Ammoselinum giganteum P. A. Munz and D. Keck 1922-4-13 4930 Riverside Chuckwalla Valley Colorado Desert (Hayfields); Chuckawalla Valley, Colorado Desert 152 Comment
  SD136851  Amorpha californica Steve Boyd, Tim Ross 1992-5-15 7403 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area, major lateral drainage north of Bear Canyon, junction of the Tenaja & Morgan Trails, west of Round Potrero, along stream in understory of oak woodland in canyon bottom 669 Comment
  RSA787990  Amorpha californica var. californica Linda M. Prince, Duncan S. Bell 2009-6-17 s.n. Riverside Cleveland National Forest. Roadside. Comment
  UCD170778  Amorpha fruticosa A. C. Sanders 2014-4-23 41058 Riverside Peninsular Range, Temescal Valley, along Hostettler Rd. near Temescal Canyon Rd. and I-15, at bend in Hostettler Rd. 363 Comment
  JEPS61150  Amsinckia intermedia Marjorie D. Clary 1933-3-26 2076 Riverside near foot of Santa Rosa Mountains (w side Colorado Desert, Ebbons Creek Wash); Colorado Desert, Santa Rosa Mountains 274 Comment
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Oct 30 2011
  RSA613407  Amsinckia intermedia D. L. Banks 1997-4-5 1684 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  UCR127326  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25834 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR168547  Amsinckia intermedia var. eastwoodiae P. A. Munz, R. D. Harwood 1920-2-28 3239 Riverside Peninsular Ranges; Santa Ana Mountains region, 3 miles southwest of Corona 305 Comment
  UCR22049  Amsinckia menziesii Steve Boyd 1980-4-27 140 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  RSA0089923  Amsinckia menziesii var. menziesii Carol Shideler 1981-4-11 13 Riverside Lake Mathews, El Cerrito, east on Cajalco Road, 6 miles east of Corona, 0.5 mile west of Pacific Clay Comp., mil. 52086.2. Comment
  JOTR32139  Amsinckia tessellata var. tessellata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2295 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  RSA201888  Amsonia brevifolia var. tomentosa I. T. Weeks 1930-3-30 31100 Riverside Munsen Canyon, Eagle Mts. Comment
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Jul 5 2010
  RSA613146  Anagallis arvensis D. L. Banks 1997-3-29 1654 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 463 Comment
  RSA524599  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3914 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA296116  Andropogon glomeratus B. A. Prigge 1980-8-11 3887 Riverside San Bernardino Mountains, Whitewater Canyon: 1.1 miles N of Interstate 10. 473 Comment
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Jan 14 2010
  RSA640827  Anemopsis californica L. C. Wheeler 1931-4-17 s.n. Riverside Santa Ana River south of Chino. Comment
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Jun 10 2012
  UC4897  Anemopsis californica Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley; Southern California, San Jacinto Valley Comment
  IRVC3691  Angelica tomentosa R. H. Whittaker, W. A. Niering 1963-6-6 SJ 229 Riverside San Jacinto Ridge Road; above San Jacinto Creek. Peninsular Ranges, San Jacinto Mountains 1524 Comment
  JOTR16558  Anisocoma acaulis Vanderspek & Nolte 1966-5-13 64541 Riverside Joshua Tree National Park. EUREKA PEAK 1682 Comment
  RSA33650  Antirrhinum coulterianum N. C. Cooper 1944-7-17 1425 Riverside West side 1524 Comment
  RSA500209  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3534 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR48368  Antirrhinum coulterianum Steve Boyd 1986-5-1 1819 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  UCR49243  Antirrhinum coulterianum Steve Boyd 1986-4-22 1742 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  UCR71982  Antirrhinum coulterianum Steve Morgan, H. M. Soldan 1992-5-25 92 5 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  RSA85443  Antirrhinum nuttallianum subsp. nuttallianum J. C. Roos 1952-4-13 5517 Riverside Box Springs Mts., above Canyon Crest Heights. 457 Comment
  UC26372  Antirrhinum nuttallianum subsp. nuttallianum Geo. R. Hall 1901-3-30 1709 Riverside near Riverside Comment
  RSA674534  Apiastrum angustifolium Scott D. White, Sandy Leatherman 2000-5-31 7992 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  RSA747562  Apiastrum angustifolium Michael Honer 2003-4-11 1819 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak 2349 . 640 Comment
  UCR133670  Apiastrum angustifolium Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA229529  Apocynum cannabinum Noel Wallace 1937-08 w- 521 Riverside Gavilan Hills Comment
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Sep 7 2011
  RSA358583  Arceuthobium campylopodum Larry E. DeBuhr 1972-3-23 515 Riverside Santa Rosa Mts; San Bernardino National Forest; northwest of Santa Rosa Pk. 2317 Comment
  UC848841  Arceuthobium campylopodum I. W. Clokey and E. G. Anderson 1935-8-21 6574 Riverside Idlewilde-Banning 1650 Comment
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Mar 21 2011
  RSA629140  Arctostaphylos Jon E. Keeley 1992-7-16 16563 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629145  Arctostaphylos Jon E. Keeley 1992-7-17 16729 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  SD232670  Arctostaphylos glandulosa Scott D. White 1996-8-1 4450 Riverside San Jacento Mts.; Idyllwild Area: North of ISOMATA along USFS Rd 5S24.1. Road follows a recently-graded fuelbreak. S facing slope. 1554 Comment
  RSA631308  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16756 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  RSA632652  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16536 Riverside Red Mountain Road, 6-6.8 km east of R3. 1015 Comment
  SEINET2028704 Image available Arctostaphylos glauca C. B. Wolf 1932-5-25 3695 Riverside 0.5 miles southwest of summit of Moreno Grade, bad Lands, southwest of Beaumont. 610 Comment
  UC1979624  Arctostaphylos glauca D. L Banks, Steve Boyd 1995-3-30 0121 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. Comment
  POM367325  Arctostaphylos glauca var. glauca E. Crow 1929-4-7 322 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  RSA633540  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22665 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633545  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22671 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633669  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21779 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633680  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16658 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633685  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16680 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  CAS-BOT-BC44357  Arctostaphylos pringlei subsp. drupacea Peter H. Raven 1959-5-18 14243 Riverside Lake Fulmor, San Jacinto Mountains Comment
  CAS-BOT-BC44375  Arctostaphylos pringlei subsp. drupacea H. E. McMinn 1925-7-2 1495 b Riverside Tahquitz Trail - San Jacinto Mts. Comment
  JEPS26531  Arctostaphylos pringlei subsp. drupacea Peter Kamb 1947-5-17 516 Riverside Hall Canyon; San Jacinto Mts., Hall Canyon 1645 Comment
  RSA636014  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18803 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636016  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18801 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636018  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18802 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636023  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18796 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636172  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19481 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
  SD180716  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 397 Riverside Santa Margarita Ecological Reserve, east of A!Highlands TrailA(r) on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  UCR2156  Aristida adscensionis F. M. Reed 1926-5-8 5324 Riverside Perris Basin, Rocky hill near Good Hope Mine Comment
  RSA654176  Aristida divaricata A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22284 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  UCSB37780  Aristida purpurea Roos, John 1965-8-15 Riverside Gilman Hot Springs, San Jacinto Valley Comment
  CAS-BOT-BC90420  Artemisia douglasiana E. W. Lathrop 1966-3-20 6067 Riverside 10 miles west of Murrieta on the Tenaja Truck Trail between DeLuz and the Tenaja Guard Station Comment
  SD229063  Artemisia dracunculus Dick Schwenkmeyer 2012-9-20 837 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  SBBG62495  Artemisia ludoviciana M. Lewis 1947-8-26 11 Riverside Skunk Cabbage Meadow 2194 Comment
  UC75850  Artemisia tridentata F. M. Reed 1905-10-5 832 Riverside at big fill on County Boulevard; Sycamore Canon Comment
  CAS-BOT-BC93479  Artemisia tridentata subsp. tridentata R. E. Jr. Riefner 2006-9-19 06 -442 Riverside Temecula Valley, c. 0.1 mi. west of I-15 Freeway along Temecula Creek (Temecula 7.5' Q) 300 Comment
  RSA778425  Asclepias subulata Stephanie Rockwood, Christi Gabriel 2011-10-12 88 Riverside Sheephole Valley Wilderness, parallel Cadiz Valley. Unnamed road off highway 62. 242 Comment
  POM12717  Aster alpigenus var. andersonii Philip A. Munz 1922-7-6 5997 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  CLARK-A1528-1605  Aster chilensis John C. Roos 1946-9-14 3014 Riverside San Jacinto Mountains 1371 Comment
  POM153374  Aster frondosus Philip A. Munz, I. M. Johnston 1928-9-12 11246 Riverside North end of Lake Elsinore. Comment
  POM146198  Aster hesperius F. M. Reed 1927-11-15 5664 Riverside Water ditch on Central Cove, near Olivewood Cemetery 274 Comment
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May 1 2011
  CAS-BOT-BC177514  Astragalus bernardinus C. L. Hitchcock 1940-4-3 5942 Riverside Between Cottonwood Spgs. and Pinto Basin Comment
  RSA485841  Astragalus coccineus T. S. Elias 1988-1-26 10674 Riverside Joshua Tree National Monument; Cottonwood Spring region, along trail from Mastodon Peak to Lost Palms Oasis. Comment
  RSA525249  Astragalus didymocarpus var. didymocarpus Steve Boyd, T. S. Ross 1990-5-11 4627 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  CAS-BOT-BC182590  Astragalus didymocarpus var. dispermus P. A. Munz 1922-4-29 5096 Riverside Dripping Spring, near Temecula Creek 518 Comment
  UC862976  Astragalus douglasii var. douglasii Marcus E. Jones, A. M. 1882-4-24 3166 Riverside San Jacinto Comment
  CAS-BOT-BC178441  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild. Comment
  POM274197  Astragalus douglasii var. parishii J. C. Roos 1946-9-27 2788 Riverside Santa Rosa Mtns. 2226 Comment
  UCR24924  Astragalus douglasii var. parishii A. C. Sanders 1980-7-18 1652 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  CAS-BOT-BC182986  Astragalus gambelianus A. C. Sanders; Seung-Chul Kim; Plant Taxonomy Class 2005-5-7 30107 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA769774  Astragalus gambelianus Duncan S. Bell, Joy D. England 2010-5-17 1007 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1045 Comment
  SBBG133728  Astragalus gambelianus A. C. Sanders, T. B. Salvato 2011-4-27 39334 Riverside S side of Alberhill Mtn in vicinity of Durant Siding and Terra Cotta, near Nichols Rd and extension toward Lake St 390 Comment
  CAS-BOT-BC186902  Astragalus insularis var. harwoodii C. L. Hitchcock 1966-3-21 24331 Riverside 15 mi. s. of Rice, on dirt road to Blythe Comment
  HSC78590  Astragalus insularis var. harwoodii J. C. Roos 1958-3-15 Riverside 3 mi. SE of Desert Center, Chuckwalla Mtns. Comment
  RSA776179  Astragalus insularis var. harwoodii Amber Swanson 2011-3-20 244 Riverside On Railroad tracks on Summit Rd near the Bradshaw trail 479 Comment
  UC68626  Astragalus lentiginosus var. borreganus H. M. Hall Apr., 1905 5958 Riverside Paloverde , Paloverde (Colorado Desert) 76 Comment
  LA204980  Astragalus lentiginosus var. coachellae Harlan Lewis; 1937-3-7 sn Riverside White Water 304 Comment
  CAS-BOT-BC187172  Astragalus lentiginosus var. fremontii Annie M. Alexander; Louise Kellogg 1941-5-4 2112 Riverside Joshua Tree National Monument 1249 Comment
  SEINET5325595  Astragalus lentiginosus var. fremontii H. M. Hall 1905-4-14 5757 Riverside Whitewater, on the Colorado Desert, Lower Sonoran Zone, 240 Comment
  UCR23854  Astragalus nuttallianus John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 3 mi. SE of Desert Center, Chuckwalla Mtns. Comment
  CAS-BOT-BC194202  Astragalus pachypus Harvey Monroe Hall 1897-4-18 477 Riverside Beaumont Comment
  CAS-BOT-BC192822  Astragalus pomonensis M. E. Jones 1882-4-24 3166 Riverside San Jacinto Comment
  CAS-BOT-BC194133  Astragalus pomonensis L. R. Abrams 1926-3-27 11138 Riverside Between Redlands and Bannings at junction of Wildwood Canyon Road Comment
  POM26484  Astragalus pomonensis Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula. 366 Comment
  CAS-BOT-BC193162  Astragalus sabulonum Aven Nelson; Ruth Nelson 1939-3-30 3343 Riverside Between Mecca and Blythe on old road, hiway 60 Comment
  CAS-BOT-BC193174  Astragalus sabulonum Edmund C. Jaeger 1921-4-13 s.n. Riverside Martinez Canon [Canyon], Colorado Desert Comment
  POM15204  Astragalus sabulonum Mary F. Spencer 1922-3-29 1655 Riverside Mecca -49 Comment
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Feb 17 2013
  JOTR35473  Astragalus tricarinatus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 76 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1463 Comment
  POM10279  Athysanus pusillus Charlotte M. Wilder 1904-4-18 s.n. Riverside Wilder s Canyon. Comment
  RSA614417  Athysanus pusillus D. L. Banks 1997-3-16 1550 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  SDSU17521  Athysanus pusillus Jerry Jenkins 2001-4-3 2001 -034 Riverside Santa Margarita Ecological Reserve. Ravine south of S.M. River. UTM zone 6, 482400E, 3700400N. UTM transfered to GIS. Comment
  UCR117426  Athysanus pusillus Arlee Montalvo 2001-3-21 s.n. Riverside San Bernardino Valley, Riverside, 'Coyote Hill' between Watkins Dr. and Hwy 60/215 438 Comment
  UCR139028  Athysanus pusillus D. L. Banks 1997-4-5 1677 Riverside Agua Tibia Mtns., NW Palomar Mountains: Agua Tibia Wilderness area. south of Dorland Mountain, just west of the Pechanga Indian Reservation boundary, at the headwaters of a tributary of the N fork of Pechanga Creek 793 Comment
  SDSU6305  Atrichoseris platyphylla Mark Dodero 1992-5-1 1 V92A Riverside Box Canyon road, ca. 6.7 miles northeast of Hwy. 111 Comment
  UCR116935  Atriplex argentea A. C. Sanders, D. Malueg 2001-5-17 24359 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  RSA696731  Atriplex canescens J. Russell Bruff 1929-1-1 407 Riverside Roadside foot of Jackrabbit Grade. Comment
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Mar 20 2011
  CAS-BOT-BC170210  Atriplex canescens subsp. canescens K. Larson 1976-9-30 60062 B Riverside So. of Big Maria Mtns., No. of Blythe Comment
  LA204703  Atriplex canescens var. laciniata Raymond B. Cowles; 1936-11-29 sn Riverside Indian Wells Comment
  OBI60302  Atriplex coronata var. notatior Marc Baker, Robert Johnson 1990-1 Riverside Comment
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Dec 9 2014
  UC1765895  Atriplex coronata var. notatior Marc Baker, Robert Johnson 1990-5-20 7851 Riverside Flood plain SE of Bernasconi Hills. 432 Comment
  RSA537267  Atriplex coulteri D. E. Bramlet 1991-5-10 2149 Riverside 6.5 miles west of hemet, approximatly 500 m south and west of the ntersection of Warren and Florida (Hwy 74) and 80 miles east of the MWD San Diego Canal. 457 Comment
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Feb 3 2015
  UCR112576  Atriplex davidsonii D. E. Bramlet 1998-6-22 2638 Riverside Upper Salt Creek Reserve, 6.9 km West of Hemet and 76m east of California Avenue, approximately 671m north of Setson Avenue. 456 Comment
  UCR70512  Atriplex davidsonii D. E. Bramlet 1991-6-1 2179 Riverside San Jacinto Valley, San Jacinto River, 3 km west of Nuevo, and c. 20 m east of the river, about 300 m south of the end of 11th Street 473 Comment
  RSA0042832  Atriplex hymenelytra Duncan S. Bell, Deidre Conocchioli 2014-3-18 6246 Riverside Orocopia Mountains; southern section of range; Gucci Spring. 416 Comment
  UCR260959  Atriplex hymenelytra Duncan S. Bell 2013-1-30 4445 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Peak 1642 138 Comment
  UCR98499  Atriplex parishii C. Reiser 1996-5-9 s.n. Riverside Winchester; north of Haddock, west of Farnsworth Road; also south of Simpson Road; near Adams Comment
  RSA0047014  Atriplex polycarpa Sarah J. De Groot, Cheryl S. Sevilla 2014-10-21 7352 Riverside West side of Big Maria Mountains; south of Vidal, just west of Highway 95 but east of powerline, along BLM road EC 472. About 3.2 air miles south of Slaughter Tree Wash; about 0.7 air miles (3700 ft.) west of the Colorado River. 99 Comment
  CDA2929  Atriplex semibaccata Steve Boyd 1989-7-9 3786 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  RSA653333  Atriplex serenana Mitch Provance 2000-9-28 2266 Riverside Riverside: N side fo Latham St., about 1/8 mile W of intersection with Keats Dr., 34 deg 00' 12.2'' N, 117 deg 21' 55.4'' W. 245 Comment
  RSA572983  Atriplex suberecta Steve Boyd 1986-4-19 1721 Riverside Temescal Canyon: Warm Springs Valley, Alberhill Creek drainage, E of Nichols Road. Comment
  CLARK-A1528-4493  Avena barbata John C. Roos 1952-2-18 5353 Riverside Riverside 274 Comment
  GMDRC6561  Avena barbata J. M. Andre 2012-6-15 30515 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  POM299250  Ayenia compacta A. M. Alexander, Louise Kellogg 1941-5-26 2236 Riverside Monsen Canyon, Eagle Mts. 823 Comment
  CLARK-A1528-1621  Baccharis emoryi John C. Roos 1951-9-25 5285 Riverside Fairmont Park 259 Comment
  CAS-BOT-BC106749  Baccharis salicifolia Mrs. J. D. Abrams 1901-5-19 s.n. Riverside Elsinore Comment
  POM10241  Baccharis salicifolia E. L. Koethen 1897-1 30 Riverside Riverside Comment
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Nov 21 2015
  SD40814  Baccharis salicifolia Carl B. Wolf 1932-10-11 4174 Riverside Little San Bernardino Mountains, Morongo Wash. 669 Comment
  UCR172152  Baccharis salicifolia A. C. Sanders 2006-5-11 32270 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UCR174351  Baccharis salicifolia A. C. Sanders 2006-5-19 32392 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SEINET10616764  Baccharis salicifolia David B. Dunn 1946-2-22 Dunn 1945 Riverside Collected on north side of Whitewater Canyon. Colorado Desert. Comment
  CAS-BOT-BC106632  Baccharis salicina Edmund C. Jaeger 1938-11-3 s.n. Riverside Dos Palmos Spring 60 Comment
  UCR67005  Baccharis salicina S. J. Myers 1990-12-10 s.n. Riverside Santa Ana River Valley, Louis Rubidoux Nature Center: along the drainage that connects to the Sunnyslope channel and to the confluence with the Santa Ana River 214 Comment
  CAS-BOT-BC99874  Baccharis sergiloides Louis C. Wheeler 1933-12-1 2292 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  LA202997  Baccharis sergiloides Louis Wheeler; 1933-12-1 2292 Riverside San Jacinto Mountains, mouth of Tahquitz Canyon 152 Comment
  RSA296132  Baccharis sergiloides B. A. Prigge 1980-8-5 3847 Riverside Whitewater Canyon: 0.5 miles N of trout farm 701 Comment
  UCR244318  Bahiopsis parishii Jim Andre 2012-4-16 20893 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  CAS-BOT-BC99972  Baileya pauciradiata Aven Nelson; Ruth A. Nelson 1939-3-30 3339 Riverside Between Mecca and Blythe, Highways 60 & 70 Comment
  JEPS14263  Baileya pauciradiata John Ingram, Howard Arnott and Francia Chisaki 1955-4-18 631 Riverside 5.6 mi se of turn-off to Thousand Palms Highway 60 Comment
  JEPS34669  Baileya pauciradiata W. L. Jepson and W. C. Mathews 1914-5-23 6048 Riverside Colorado Desert, Conchilla Desert 60 Comment
  POM350665  Baileya pauciradiata George R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms. Comment
  RSA684337  Baileya pauciradiata Scott D. White, Michael Honer 2003-4-18 9036 Riverside Coachella Valley. Open sand north of the I-10 Freeway at Jefferson Ave. interchange. 12 Comment
  RSA517822  Baileya pleniradiata Steve Boyd, Orlando Mistretta 1986-3-13 1439 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UCR244892  Baileya pleniradiata Jim Andre 2012-3-19 21360 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 1.2 mi. east of Hwy 177 184 Comment
  UC164871  Baileya pleniradiata S. B. Parish 1902-6-30 8093 Riverside Juniper Valley Comment
  UCR207303  Bassia hyssopifolia John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  RSA502593  Bassia hyssopifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3729 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 457 Comment
  POM122202  Bebbia juncea Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, near Mecca, Colorado Desert. Comment
  UCR161438  Bebbia juncea A. C. Sanders, Mike Misenhelter 2005-9-20 31683 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
  RSA92403  Bebbia juncea F. W. Peirson 1917-4-1 1323 Riverside Palm Springs Comment
  UC1334660  Bebbia juncea var. aspera Nancy Ryan Zabriskie 1968-10-11 167 Riverside near Palm Springs (Andreas Canyon); Andreas Canyon Comment
  UC30526  Bebbia juncea var. aspera W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1851 Riverside e base of San Jacinto Mt. 457 Comment
  UC51597  Bebbia juncea var. aspera Jos. Burtt Davy 1902-4-2 Riverside Salton Comment
  RSA648648  Bernardia myricifolia R. E. Riefner 2000-6-10 20 -482 Riverside San Bernardino National Forest. Hwy. 74 near Pinyon Flats Campground 1219 Comment
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Sep 7 2011
  POM17936  Beta vulgaris P. A. Munz 1923-6-14 7120 Riverside 5 miles north of Corona. Comment
  UCR31297  Blennosperma nanum A. C. Sanders, T. Glenn 1983-4-17 3728 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  RSA652924  Bloomeria crocea A. C. Sanders 1997-5-1 20623 Riverside along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  SDSU11577  Bloomeria crocea Charles F. Phleger 1962-5-23 23 V62 Riverside Collected on land owned by the Schloss Foundation about 25 miles north of Escondido. Comment
  JEPS53176  Boechera californica Carl V. Meyer Jun 1927 169 Riverside Idyllwild-Keen Camp Road San Jacinto Mts. 1524 Comment
  CAS-BOT-BC16257  Boechera glaucovalvula Peter H. Raven 1958-5-5 12900 Riverside Joshua Tree National Monument. To the west of Split Rock Tank. Comment
  JOTR35501  Boechera perennans La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3189 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  JOTR34053  Boechera xylopoda La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2953 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  UC1776796  Boerhavia coccinea T. C. Fuller 1968-7-17 17388 Riverside Behind post office, 288 E. Main St., San Jacinto, Riverside Co. Comment
  UCR89713  Boerhavia coulteri J. M. Stewart 1990-9-23 655 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  RSA0130829  Boerhavia coulteri G. Rink 2012-9-1 11654 Riverside Blythe Solar Power Plant (proposed) about 10 miles northwest of Blythe. 160 Comment
  CAS-BOT-BC540845  Boerhavia coulteri var. palmeri Sarah J. De Groot; Amy Rouillard 2015-9-15 7577 Riverside Along Eagle Mountain Rd N of I-10, at large wash crossing. W of Desert Center, western Chuckwalla Valley 313 Comment
  UCR264219  Boerhavia triquetra var. intermedia A. C. Sanders, Jim Malusa 2015-9-10 41866 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  SEINET10389837  Boerhavia wrightii A. C. Sanders, Jim Malusa 2015-9-10 41867 Riverside Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  UCR33578  Boerhavia wrightii Sears 1977-10-10 S 525 Riverside Sonoran (Colorado) Desert, 10 mi NE of Desert Center, base of Coxcomb Mtns 171 Comment
  UCR22071  Bolboschoenus maritimus subsp. paludosus Steve Boyd 1980-5-13 261 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  UCR224018  Boschniakia strobilacea Steve Boyd, Carol Boyd 2006-7-23 11673 A Riverside Peninsular Ranges; San Jacinto Mountains region, Along trail from Wellmans Divide to Saddle Junction, ca. 1/2 way between San Bernardino National Forest-Mount San Jacinto State Park boundary and junction with Pacific Crest Trail at Saddle Junction Comment
  CLARK-A1528-4503  Bouteloua aristidoides John C. Roos 1963-10-23 Riverside Chuckwalla Valley Comment
  RSA0031420  Bouteloua aristidoides Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4469 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  RSA517241  Bouteloua aristidoides Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1328 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  UCSB51414  Bouteloua aristidoides Roos, John 1965-9-5 Riverside Desert Center Comment
  RSA126996  Bouteloua barbata H. S. Yates 1927-6-28 6732 Riverside Palm Springs. 137 Comment
  UCSB22539  Bouteloua curtipendula Breedlove, Dennis 1961-9-11 Riverside Pinyon Flats Campground along CA Hwy 74; Santa Rosa Mtns 1249 Comment
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Mar 29 2014
  UC1537149  Bowlesia incana Gordon H. True Jr. 1935-4-9 226 Riverside Box Springs 365 Comment
  UCR47907  Boykinia rotundifolia Frank C. Vasek 1987-7-14 870714- 01 Riverside San Jacinto Mtns., Vista Grande Road (3508) 1 mile east of Banning-Idyllwild Road (SH234) 1524 Comment
  POM46822  Brandegea bigelovii Mary F. Spencer 1920-4-11 1445 Riverside Palm Springs. Comment
  RSA55094  Brandegea bigelovii R. H. Peebles 1930-4-6 121 Riverside Shavers Well. Comment
  UCR102950  Brandegea bigelovii George K. Helmkamp 1998-4-4 3169 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  POM90998  Brandegea bigelovii E. C. Jaeger 1925-12-20 s.n. Riverside Fish traps. 3 Comment
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Feb 3 2011
  CAS-BOT-BC36848  Brassica tournefortii Winfield 1975-4-27 2373 Riverside Snow Creek Road. 3 miles from Highway 111. Comment
  UCR127324  Brassica tournefortii A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25832 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR167071  Brassica tournefortii Scott D. White 2005-3-29 10826 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR177438  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside Santa Rosa Mountains, Desert slope, Hwy 74 near Carrizo Creek crossing 762 Comment
  UCR231049  Brassica tournefortii A. C. Sanders, T. B. Salvato 2012-1-3 39959 Riverside Peninsular Range, Riverside, south side of UCR campus near old C.E.S. Director's garden, south of South Campus Dr. near College Bldg. North 358 Comment
  UCR272313  Brassica tournefortii Duncan S. Bell 2010-2-21 552 Riverside Eastern Mojave Desert, Palen/McCoy Wilderness area, large drainage on western section of range 452 Comment
  CAS-BOT-BC106343  Brickellia atractyloides var. arguta Philip A. Munz 1937-5-29 15150 Riverside Deep Canyon, Santa Rosa Mts. 1066 Comment
  CLARK-A1528-1661  Brickellia californica John C. Roos 1951-10-19 5324 Riverside Jackrabbit Trail 609 Comment
  CAS-BOT-BC106191  Brickellia desertorum John Roos; Lucille Roos 1950-9-9 4986 Riverside Mt. Rubidoux, Riverside 396 Comment
  RSA89873  Brickellia desertorum J. C. Roos, L. Roos 1950-9-30 4994 Riverside N base of Pigeon Pass, Box Springs Mts. 457 Comment
  UCR209329  Brickellia desertorum Fred M. Roberts, R. L. Allen, Sandra L. Leatherman 2009-10-2 7165 Riverside Santa Ana Mountains, ridge between Mabey and Tin Mine Canyons, 4.2 km by road above Forest Service gate, 2.9 km southeast of Sierra Peak 709 Comment
  UCR25770  Brickellia desertorum John C. Roos 1943-8-17 2709 Riverside Plateau in Reche Canyon Comment
  UCR92153  Brickellia desertorum D. L. Banks, Steve Boyd 1995-10-17 0776 Riverside NW Palomar Mtns; Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills 525 Comment
  RSA94115  Brickellia incana F. W. Peirson 1928-4-23 7889 Riverside 2.5 miles below cottonwood Springs, Riverside County Comment
  SBBG101687  Brickellia oblongifolia var. linifolia S. Boyd with T. Ross 1991-6-8 6325 Riverside Pinyon Flat at jct of Santa Rosa Mtn Rd and St Hwy 74 1400 Comment
  RSA745531  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-10 921 Riverside Santa Rosa Plateau Ecological Reserve; Via Volcano Road immediately west of the northernmost of two vernal pools 634 Comment
  SD132932  Brodiaea terrestris subsp. kernensis Tim Cass, Fred Sproul 1979-6-1 201 Riverside Mesa de Colorado, Pool A. (IPB 2/08) Comment
  SD132493  Bromus carinatus A. C. Sanders 1989-4-30 9068 Riverside City of Riverside; in yard at 422 Campus View Drive; beside vegetable garden in right-of-way behind house Comment
  SEINET901511  Bromus carinatus Steve Boyd, Tim Ross, Dave Bramlet 1993-1 7318 -B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon, Rancho Santa Ana Botanic Garden 365 Comment
  JOTR30974  Bromus carinatus var. carinatus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1946 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  JOTR35261  Bromus catharticus var. catharticus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3279 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  POM122849  Bromus diandrus Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA772334  Bromus diandrus Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4513 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SDSU13932  Bromus diandrus Michael G. Simpson, Adrienne Russell 2000-4-29 2072 Riverside Rocky ridge, ca. 100 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UCR174059  Bromus diandrus A. C. Sanders 2006-5-19 32459 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA750754  Bromus hordeaceus Scott D. White, Justin M. Wood 2009-5-22 12898 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  SEINET3923284  Bromus rubens D. Atwood, L. Stritch 1993-4-2 17890 Riverside Santo Rosa Plateau TNC Preserve & adjacent to BLM administrated lands.; 0 671 Comment
  UCR2244  Bromus rubens F. M. Reed 1906-3-16 907 Riverside Riverside, along Southern Pacific RR tracks between Indianapolis Ave. [=Spruce St.] and Chicago Ave. 280 Comment
  UCR2252  Bromus tectorum F. M. Reed 1933-5-31 7923 Riverside Santa Rosa Mtns., Santa Rosa Indian Reservation, near the bridge on the Palms to Pines Road [Vandeventer Flats] 823 Comment
  UCR228917  Bromus tectorum A. C. Sanders 2011-4-6 39002 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  SEINET2060496 Image available Caesalpinia E. R. Blakley 1952-8-17 B- 1558 Riverside Shavers Summit 515 Comment
  RSA86998  Caesalpinia virgata F. W. Peirson 1930-3-1 8691 Riverside Open desert at foot of Painted Canyon, near Mecca. Comment
  CLARK-A1045-129  Calandrinia ambigua George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  POM8687  Calandrinia ciliata P. A. Munz, R. D. Harwood 1920-2-28 3268 Riverside 2 mi. southwest of Corona. 305 Comment
  RSA728145  Calandrinia ciliata Daphne K. Christopher, Hannah Stevens, Zachary Princip 2003-4-7 111 Riverside Santa Rosa Plateu Nature Conservancy Preserve. Tenaja Truck Road. 610 Comment
  UCR250568  Calandrinia ciliata A. C. Sanders 2014-4-25 41069 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  UCR273792  Calandrinia ciliata Mitch Provance 2012-4-20 412- 27 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  RSA667102  Callisia repens A. C. Sanders, O. F. Clarke, Susan Sims 2001-11-28 24889 Riverside San Bernardino Valley Region: between Pedley & Mira Loma, Sims property at NE corner of Limonite Av. & Bain St. 210 Comment
  LA6440  Calocedrus decurrens Carl Epling; May 1938 sn Riverside San Jacinto Mountains, Idyllwild Comment
  CAS-BOT-BC132460  Calochortus plummerae Marcus E. Jones 1926-6-20 s.n. Riverside Near [Bannnig] Banning Comment
  HSC92910  Calochortus splendens Scott White 1993-5-29 1442 Riverside San Bernardino Mtns., Banning Canyon and Big Oaks Canyon along rd. to Raywood Flat, Yucaipa Ridge 1402 Comment
  RSA613471  Calochortus splendens Darin L. Banks, Victor Steinmann 1997-3-13 1450 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
  POM351399  Calycadenia tenella Christopher Davidson 1977-5-25 5646 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  RSA559358  Calycadenia tenella Steve Boyd 1993-5-13 7384 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  SBBG104056  Calycoseris parryi D. Bramlet 1991-5-9 2134 Riverside North Domenigoni Hills, ca. 0.5 mi SE of end of Warren Rd, juct NE of large prominent peak in NW corner of section 31 and within an old quarry area 658 Comment
  UCR47204  Calycoseris parryi B. G. Pitzer, L. F. LaPre 1987-3-2 0436 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  RSA776960  Calycoseris wrightii Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 910 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SD119925  Calyptridium monandrum Louis B. Ziegler 1969-5-27 365 Riverside San Jacinto Mountains; Cahuilla Indian Reservation. 1114 Comment
  SEINET7072824  Calyptridium monandrum A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371 [the Cahiulla Road]. Coordinate datum: WGS84/NAD83. (33? deg. 27' 46" North Latitude, -116? deg. 51' 36" West Longitude, Coordinate datum: NAD27.). Comment
  SJSU8135  Calyptridium monandrum G. B. Youngberg 1956-3-30 221 Riverside among hills near La Sierra College, Arlington 228 Comment
  UCR261169  Calyptridium monandrum A. C. Sanders, Katie Young, John Hale 2015-4-22 41597 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  SDSU17443  Calyptridium parryi var. parryi C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-25 375 Riverside San Jacinto Wilderness State Park, summit of San Jacinto Peak. Ca. 10 meters west of sign marking high point, in sandy opening among boulders. 3292 Comment
  SD140127  Calystegia macrostegia Scott D. White 1993-4-22 1245 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 490 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
  CAS-BOT-BC221318  Calystegia macrostegia subsp. tenuifolia Peter H. Raven 1959-4-23 14024 Riverside 5.1 miles west of Dripping Springs Comment
  UCR277468  Camissonia Mitch Provance 2012-4-1 412- 38 Riverside Badlands of Western Riverside County, N side of San Timoteo Canyon Rd., about 4.5 mi WNW of intersection with I-10, N of old Haskell residence 646 Comment
  SEINET4680863  Camissonia bistorta Steve Boyd, Laurel Arnseth; Yvonne Rasmussen 1990-5-3 4549 Riverside Vail Lake area, rolling terrain at junction of Hwy R3 and Powerline Rd. NE of the lake.; 0 Comment
  RSA144821  Camissonia boothii subsp. condensata E. G. Linsley, J. W. MacSwain 1960-3-2 60 -4 Riverside Colorado Desert. 20 miles east of Desert Center. Comment
  RSA175081  Camissonia boothii subsp. condensata Robert F. Thorne 1963-3-29 32426 Riverside Colorado Desert, 12 miles ENE of Mecca. Comment
  RSA617857  Camissonia brevipes Walter Wisura 1998-3-28 5114 Riverside 3.1 mi W of Corn Spring S of I-10. Comment
  RSA314452  Camissonia californica Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55450 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UCR93819  Camissonia californica P. J. MacKay 1996-6-15 002 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  SBBG35222  Camissonia campestris subsp. campestris T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  UCR104006  Camissonia cardiophylla subsp. cardiophylla George K. Helmkamp, E. A. Helmkamp 1998-2-5 2661 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  CAS-BOT-BC154113  Camissonia claviformis N. Aitkenhead 1977-2-1 s.n. Riverside ~2 mi. W. of junction of 1000 Palms Rd & T/L Comment
  UCR166017  Camissonia claviformis Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  RSA448925  Camissonia claviformis subsp. aurantiaca I. W. Clokey, Bonnie C. Templeton 1930-4-9 4725 Riverside North of Palm Springs, Colorado desert. 170 Comment
  UCR102925  Camissonia claviformis subsp. claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2682 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  SEINET7073306  Camissonia contorta A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
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Jun 24 2020
  UCD103281  Camissonia contorta C. L. Hitchcock; C. V. Muhlick 1962-3-16 22136 Riverside Temescal Canyon, 8 miles SE of Corona. Comment
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Jun 24 2020
  RSA741578  Camissonia hirtella Scott D. White, Justin M. Wood 2008-6-17 12173 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR172253  Camissonia hirtella 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
  RSA501000  Camissonia ignota Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3119 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 524 Comment
  UCR250564  Camissonia ignota A. C. Sanders 2014-4-25 41065 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  UCR90416  Camissonia intermedia D. L. Banks, Steve Boyd 1995-4-5 0137 Riverside Palomar Mtns region, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, west of the Dripping Springs Trail. 610 Comment
  RSA186575  Camissonia pallida subsp. pallida Peter H. Raven 1962-4-7 17116 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument. Comment
  POM67091  Camissonia refracta Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA134476  Camissonia refracta T. Mosquin 1958-2-21 3189 Riverside Box Canyon. Comment
  RSA585788  Camissonia strigulosa D. L. Banks, Steve D. Boyd 1995-5-9 416 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 Comment
  RSA741072  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-6-5 12080 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  SDSU3404  Camissonia strigulosa H. Wedberg 1958-3-30 192 Riverside On Machado Road, 1.0 mile southwest of Hwy 71, near Elsinore. Roadside in olive grove. Comment
  UCR133405  Camissonia strigulosa Tracy Tennant, J. S. Ross 1998-5-7 MOR- 82 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon, c. 0.6miles NNW of Cabazon. 1280 Comment
  UC1602314  Camissonia strigulosa Alderson 463 Riverside Comment
  RSA0093835  Camissoniopsis confusa A. C. Sanders, T. B. Salvato 2001-5-3 24121 Riverside Perris-Aguanga Basin region. Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  SBBG101667  Camissoniopsis intermedia S. Boyd 1991-5-20 6273 Riverside NW of Lake Elsinore, lower Rice Cyn, just inside Cleveland Nat For boundary 573 Comment
  JEPS33736  Camissoniopsis pallida subsp. pallida M. D. Clary 1932-5-26 957 Riverside Pleasant Valley Hexie Mt. Comment
  UCR125999  Cardaria draba Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  UCR105727  Carex abrupta L. C. Wheeler 1961-6-20 7895 Riverside Peninsular Ranges; San Jacinto Mtns., W fork of Tahquitz Creek 2378 Comment
  UCR64297  Carex alma N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 178 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  CAS-BOT-BC118510  Carex praegracilis Earl W. Lathrop 1959-5-17 4553 Riverside 10 mi W of Murrieta Comment
  POM1481  Carex praegracilis I. M. Johnston 1918-5-26 1995 Riverside Santa Ana River, NW of Corona. 152 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
  RSA764697  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-24 12284 Riverside San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  RSA424898B  Carex senta N. M. Fellows, A. C. Sanders 1985-5-7 191 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains, 1 mile W of Snow Creek Village. 488 Comment
  RSA559313  Carex spissa Steve Boyd, Timothy S. Ross, David E. Bramlet 1993-5-13 7375 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  RSA500192  Carex subfusca Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3552 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UCD110244  Carya illinoinensis A. C. Sanders; T. B. Salvato 2003-5-6 26558 Riverside San Bernardino Valley Region: Riverside, west edge of the UCR campus, lower drainage of Big Springs Canyon, near intersection of Canyon Crest Dr. and University Ave. 320 Comment
  RSA501005  Castilleja affinis Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3123 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  SD229284  Castilleja applegatei subsp. martinii Dick Schwenkmeyer 2012-8-7 793 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  RSA769776  Castilleja exserta Duncan S. Bell, Joy D. England 2010-5-17 1009 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.75 air mile southeast of junction of Highway 74 and forest service road 5S15. 759 Comment
  RSA772020  Castilleja exserta Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4950 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
  SBBG120069  Castilleja exserta A. C. Sanders with K. Volansky 2005-3-17 29212 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR75538  Castilleja exserta A. C. Sanders 1993-5-12 13997 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
  UCR86882  Castilleja exserta A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16292 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  JEPS3913  Castilleja foliolosa W. L. Jepson 1939-4-19 19215 Riverside w of Aguanga; Dripping Spring 396 Comment
  POM307282  Castilleja foliolosa Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2137 Riverside Santa Rosa Mountains. Comment
  RSA221000  Castilleja foliolosa E. W. Lathrop 1966-3-30 6128 Riverside Mail Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  SD129523  Castilleja foliolosa Ed LaRue May 1989 Riverside Hills E of Beaumont, along Potrero Creek, I(c) mi. E of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  SEINET269560 Image available Castilleja foliolosa Scott D. White 1996-5-27 4073 Riverside Jackrabbit Canyon: east of Moreno Valley and south of Calimesa between State highway 60 and gilman Spring Road West and 518 Comment
  UC57006  Castilleja minor subsp. spiralis F. Gilman 1902-1 35 Riverside Palm Springs Comment
  CAS-BOT-BC38138  Caulanthus amplexicaulis E. A. McGregor 1941-6-12 2 Riverside San Gabriel Mountains. Idyllwild. Comment
  CAS-BOT-BC41104  Caulanthus heterophyllus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3978 Riverside Vail Lake Area, lower slopes of Agua Tibia Mountain, along Highway 79, east of USFS Dripping Springs Guard Station. 609 Comment
  RSA552763  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6749 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  RSA717466  Caulanthus heterophyllus Scott D. White 2006-4-28 11323 Riverside Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  UCR67361  Caulanthus heterophyllus Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3978 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  UCR7737  Caulanthus simulans Frances McKinley 1968-5-4 680405 4 Riverside San Jacinto Mtns., slope 2.8 mi up Banning-Idylwild Road on S side 915 Comment
  LA41988  Ceanothus crassifolius Philip A. Munz; 1932-3-24 12028 Riverside Base of mts. S of Lake Elsinore 365 Comment
  POM184169  Ceanothus crassifolius P. A. Munz 1932-3-24 12028 Riverside Base of mts. south of Elsinore Lake. 366 Comment
  POM254867  Ceanothus crassifolius W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 793 Comment
  RSA25590  Ceanothus crassifolius Carl B. Wolf 1941-6-27 10898 Riverside Santa Ana Mts. Ortega Hwy, 3.3 miles E of Orange County line. 579 Comment
  RSA398880  Ceanothus crassifolius N. C. Cooper 1947-4-5 2028 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA570226  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7895 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA575074  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -W Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  UCR163217  Ceanothus crassifolius T. B. Salvato, Kelly Volansky 2003-3-27 132 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA399039  Ceanothus cuneatus M. V. Hood 1945-3-25 s.n. Riverside Aguanga. 588 Comment
  UC520086  Ceanothus cuneatus var. cuneatus C. Epling 1932-6-24 Riverside near Idyllwild Comment
  UCR135732  Ceanothus greggii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9033 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  RSA0067952  Ceanothus greggii John F. Emmel 1994-4-17 1293 Riverside San Jacinto Mts.; 0.1-0.2 air mile west of Fobes Spring, NE of Garner Valley. 1463 Comment
  RSA276719  Ceanothus greggii var. perplexans John F. Emmel 1978-9-25 620 Riverside Santa Rosa Mountains; slope above Mountain Home Spring 1982 Comment
  RSA399853  Ceanothus greggii var. perplexans A. Menke 1955-4-28 s.n. Riverside Near Barton Peak Lookout. San Jacinto Mts. Comment
  SD127437  Ceanothus greggii var. perplexans Reid Moran 1969-10-25 16665 Riverside Poppet Flat Road, N slope San Jacinto Mts. 1250 Comment
  CAS-BOT-BC51288  Ceanothus leucodermis H. E. McMinn 1925-7-2 1523 Riverside Idyllwild grade - San Jacinto Mt. Comment
  RSA180282  Ceanothus leucodermis E. W. Lathrop 1965-4-4 5642 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  RSA221012  Ceanothus oliganthus E. W. Lathrop 1966-4-28 6221 Riverside 4 mi. west of Corona between Tin mine Canyon and Santiago Peak, Skyline Drive. Comment
  CAS-BOT-BC63567  Ceanothus oliganthus var. orcuttii Carl B. Wolf 1935-6-18 7208 Riverside Santa Ana Mts., Coldwater Can. Trail, about 1.5 mi. below (n.) main divide motorway. 1280 Comment
  RSA570224  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7893 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA570228  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7897 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  POM301624  Ceanothus palmeri Carl B. Wolf 1941-8-12 11145 Riverside Keen Camp Summit, between Keen Camp P.O. and Helmet Valley. 1494 Comment
  CAS-BOT-BC51927  Ceanothus perplexans H. M. Hall 1901-6-1 2156 Riverside Eastern base, along the borders of the Colorado Desert Comment
  HSC101779  Ceanothus perplexans J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13200 Riverside 1470 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
  LA212136  Ceanothus tomentosus Fred Schumacher; 1935-3-28 s.n. Riverside 4 mi. N of Beaumont. Comment
  RSA398967  Ceanothus tomentosus subsp. olivaceus Julian P. Donahue 1983-4-3 s.n. Riverside Santa Ana Mts., Skyline Dr., southwest of Corona. El. 2900' 884 Comment
  CLARK-A1656-865  Cenchrus echinatus Jon Mark Stewart 1983-10-24 Riverside Palm Desert Comment
  SD239538  Cenchrus longisetus T. B. Salvato 2000-8-22 20 Riverside Peninsular Range: Riverside, Bascomb Drive at Don Goodwin Street (Riverside East 7.5'Q) 309 Comment
  POM78963  Cenchrus longispinus I. M. Johnston 1925-7-1 s.n. Riverside 1 mile W of Wineville on Ontario Road [Mission Blvd.] Comment
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Apr 2 2011
  RSA430195  Centaurea melitensis E. Misquez 1987-5-16 9 Riverside Santa Ana Mountains, Walker Basin; 2 miles on Avenida de Oro from Jct with Rancho California road and 4.7 miles west of Interstate 15. 415 Comment
  POM19175  Centaurea melitensis Philip A. Munz 7123 Riverside 3 mi N of Lake Elsonore 412 Comment
  UCR89852  Centaurium venustum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3319 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  CLARK-A1045-880  Cerastium glomeratum George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Hemet 15'Q Comment
  CAS-BOT-BC135497  Cercocarpus betuloides var. betuloides Banning School 1927-4-1 s.n. Riverside Banning, from flower show. Comment
  CAS-BOT-BC276383  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  UCSB10328  Chaenactis carphoclinia Wilson, Richard 1958-3-22 Riverside 7 miles E. of Desert Center on U.S. Highway 60-70; in a Colorado Desert Comment
  UCSB37396  Chaenactis carphoclinia Gordon, Patricia 1980-5-18 Riverside Chuckwalla Mtns; Corn Springs Wash 457 Comment
  SEINET10799436  Chaenactis carphoclinia David Charlton 1988-2-18 Charlton 1139 Riverside Alluvial Fan, S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. Creosote Bush Scrub. 1 mi. E of Jct. Dillon Rd. and Fargo Cyn. Rd. 610 Comment
  HSC78584  Chaenactis carphoclinia var. carphoclinia G. K. Helmkamp 1983-3-24 38319 Riverside Little Chuckwalla Mtns., N base, 1.5 mi. E of Graham Pass Rd 336 Comment
  LA203118  Chaenactis carphoclinia var. carphoclinia Elizabeth McClintock; 1936-5-9 sn Riverside Pines to Palms Highway Comment
  UC1424854  Chaenactis carphoclinia var. carphoclinia C. W. Tilforth, J. Dourley, W. Wisura 1977-5-19 1326 Riverside ca. 2 mi s of, and Hiway 62 along Blythe-Rice Rd. Rice 266 Comment
  RSA0034951  Chaenactis carphoclinia var. carphoclinia A. Lee Haines 1974-4-8 s.n. Riverside North side of Orocopia Mts. 396 Comment
  CAS-BOT-BC276906  Chaenactis fremontii Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs 60 Comment
  JEPS30924  Chaenactis fremontii P. Stockwell 1940-4-24 1507 Riverside 1 mi e of Banning Comment
  POM288432  Chaenactis fremontii Lyman Benson 1933-3-31 4166 Riverside US 66, 10 miles E of Palm Springs, San Jacinto Mt. Range, Colorado Desert Watershed. 244 Comment
  RSA717622  Chaenactis fremontii Scott D. White, Andrea Warniment 2006-3-29 11275 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  RSA757634  Chaenactis fremontii LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4320 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
  RSA79179  Chaenactis fremontii Philip A. Munz, Percy C. Everett 1952-5-2 16236 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  SD215393  Chaenactis fremontii W. Wisura, A. King and L. Newcomb 1992-4-10 4664 Riverside Low Desert: Missin Creek west of Highway 62 below Morongo Valley Comment
  SD186071  Chaenactis glabriuscula A. C. Sanders, Mike Misenhelter 2005-6-15 30963 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles sousouthwest of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 miles northeast of summit of (Big) Oak Mtn., southwest of Rocky Ridge and southeast of Black Hills. 640 Comment
  SEINET273069 Image available Chaenactis glabriuscula A. C. Sanders, N. Ferguson 1994-6-2 14631 Riverside San Jacinto Mountains: Bautista Canyon ca. 1 mile above the forest service boundary 850 Comment
  UCR260578  Chaenactis glabriuscula A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41537 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, northwest of El Hermano Road junction along sandy wash of Temescal Creek 313 Comment
  UCR260857  Chaenactis glabriuscula A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41492 Riverside San Gorgonio Pass, c. 3.8 miles east of Cabazon, north of San Gorgonio River wash, south of I-10 and generally NE of water bottling plant, west of dirt road to wind farm 439 Comment
  JEPS82355  Chaenactis glabriuscula var. glabriuscula L. R. Heckard 1969-4-24 2163 Riverside about 7 mi s of Sage (along Highway 79) Comment
  POM351764  Chaenactis glabriuscula var. glabriuscula Ora M. Clark 1929-3-16 1691 Riverside South of Cabazon, Colorado Desert. Comment
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Mar 13 2011
  POM351766  Chaenactis glabriuscula var. glabriuscula M. M. Thompson 1947-6-9 2086 Riverside Los Alomos Canyon, Elsinore. 762 Comment
  RSA528099  Chaenactis glabriuscula var. glabriuscula Steve Myers 1991-4-1 91 -27 Riverside City of Banning, W of Fields Road, N of Interstate 10 & S of the Morongo Indin Reservation 671 Comment
  UC34689  Chaenactis glabriuscula var. glabriuscula E. A. Zumbro 1902-4-1 Riverside near (Box Springs Mt.) Riverside; Box Springs Mt., Riverside Comment
  UCR136001  Chaenactis glabriuscula var. glabriuscula Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  RSA523315  Chaenactis glabriuscula var. lanosa G. H. True 1935-4-3 200 Riverside Box Springs 366 Comment
  RSA779693  Chaenactis stevioides Duncan S. Bell 2010-4-2 704 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness; collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  SBBG54443  Chaenactis stevioides S. See 1958-3-29 196 Riverside Joshua Tree Nat Monument at Fried Liver Wash 548 Comment
  UCD20138  Chaenactis stevioides Donald W. Kyhos 1976-3-17 67 -8 Riverside Along Twentynine Palms Highway, at Riverside- San Bernardino County line. Comment
  UCR248050  Chamaesyce abramsiana Duncan S. Bell, Aaron Sedgwick 2012-9-13 4196 Riverside Sonoran (Colorado) Desert, Hayfield Lake; eastern section of dry lake, c. 3.75 air mi southeast of Hayfield Pumping Plant 420 Comment
  RSA561891  Chamaesyce albomarginata Steve Boyd, T. S. Ross 1992-6-10 7638 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04), at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  RSA0121601  Chamaesyce arizonica Duncan S. Bell, LeRoy Gross 2016-3-29 9101 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 513 Comment
  POM263146  Chamaesyce micromera J. C. Roos 1936-4-22 608 Riverside 20 mi west of Blythe Comment
  SEINET3365548  Chamaesyce micromera G. Rink 2011-9-25 11075 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  RSA689556  Chamaesyce polycarpa Scott D. White, Michael Honer 2003-4-25 9126 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  POM282536  Chamaesyce polycarpa var. hirtella N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Box canon [canyon]. Comment
  RSA637510  Chamaesyce polycarpa var. hirtella Scott D. White 1999-4-21 7247 Riverside East end of Coachella Valley: Bajada between little San Bernardino Mts. and Indio hills. 183 Comment
  UC750618  Chamaesyce setiloba Lewis S. Rose 1946-12-23 46302 Riverside Cathedral Canyon Wash 182 Comment
  UCSB50318  Chamaesyce setiloba Haller, John 1983-3-26 Riverside West side of Cottonwood Spring Road at southern boundary of Joshua Tree National Monument, 1 mile north of Interstate 10 304 Comment
  CLARK-A1528-3806  Cheilanthes californica John C. Roos 1952-4-9 5499 Riverside Riverside 380 Comment
  UC42439  Cheilanthes covillei Vasey Jr. Feb. 1881 13 Riverside Whitewater Comment
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Nov 29 2010
  UCR135714  Cheilanthes covillei Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9014 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  POM890  Cheilanthes newberryi Philip A. Munz 1918-4-27 2121 Riverside Perris Hills Comment
  CAS-BOT-BC70326  Cheilanthes parryi Marcus E. Jones 1925-12-21 s.n. Riverside Andreas Canyon Comment
  POM6637  Cheilanthes parryi P. A. Munz, Street, Williams 1919-3-25 2325 Riverside Palm Canyon. 243 Comment
  RSA336416  Cheilanthes parryi R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52053 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  UC399593  Cheilanthes parryi S. B. Parish 1907-4-18 6113 Riverside Palm Springs; Colorado Desert Comment
  UC366588 Image available Cheilanthes viscida unknown May 1876 Riverside White River Canyon San Gorgonio Pass Comment
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Nov 26 2011
  RSA667299  Chenopodium Mitch Provance 2000-12-10 2284 Riverside Jilberto s Mexican Restaurant, c. 0.5 miles west of Hwy 215 on University Ave. 299 Comment
  UCR176672  Chenopodium album G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above Picnic Hill 351 Comment
  RSA653504  Chenopodium album var. missouriense A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23683 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river., 33 deg 58'30''N, 117 deg 24'10''W 232 Comment
  UCR115145  Chenopodium berlandieri var. zschackei Mitch Provance 2000-8-24 2219 Riverside Jurupa Mountains, Pediment of the NW extreme of the Jurupa Mountains, as accessed from Country Village Rd. 259 Comment
  UCR130849  Chenopodium botrys S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  RSA614160  Chenopodium californicum D. L. Banks 1997-2-23 1317 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
  RSA741576  Chenopodium californicum Scott D. White, Justin M. Wood 2008-6-17 12170 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR113788  Chenopodium giganteum A. C. Sanders, Mitch Provance 2000-10-4 23716 Riverside Riverside, UCR Botanic Garden, gully on east fence SE of the herb garden 366 Comment
  SD260934  Chenopodium missouriense Mitch Provance 2012-9-11 17623 Riverside Badlands of Western Riverside County: Beaumont, near N base of Mr. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft. along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  RSA784961  Chenopodium murale Duncan S. Bell 2012-3-18 3225 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
  SD146308  Chenopodium murale Mitch Provance 2000-1-8 1802 Riverside Jurupa Mountains: Jurupa Mountains Cultural Center, 0.25 mile southeast of peak 1411. 289 Comment
  CAS-BOT-BC231791  Chilopsis linearis Annie M. Alexander; Louise Kellogg 1941-5-26 s.n. Riverside Lost Palms Canyon, Eagle Mts. 762 Comment
  UCSB8347  Chilopsis linearis Leeuwen, Henry 1957-4-13 Riverside Next to Cal. Hwy. 195 about 6 miles east of Mecca Comment
  JOTR29467  Chilopsis linearis subsp. arcuata La Doux, Tasha, Nicole Pietrasiak 2006-6-21 1678 Riverside Joshua Tree National Park. Stop # 1 = in wash on west side of Northern Eagle Mountains, approx. 1.5 miles NE of Mastodon Peak. 1051 Comment
  CAS-BOT-BC518751  Chloris truncata R. E. Riefner, Jr. 2016-3-22 16 -69 Riverside City of Perris, Trumble Rd. at Ethanac Rd., E of I-215 444 Comment
  RSA574747  Chlorogalum parviflorum Steve Boyd 1982-5-20 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain, just east of extensively-mined area. 427 Comment
  UCD169110  Chlorogalum parviflorum T. B. Salvato; Gregg Miller 2005-6-3 1376 Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and c. 0.25 mi south of Ethanac Road. 436 Comment
  CAS-BOT-BC39669  Chorispora tenella A. C. Sanders 1998-3-11 21695 Riverside Shipley/Skinner Reserve area. Diamond Valley, along State Street (R3) ca. 0.5 mile north of Newport Road. South of Hemet 488 Comment
  RSA660944  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 488 Comment
  RSA779012  Chorizanthe brevicornu Duncan S. Bell 2010-4-1 645 Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  UCR116844  Chorizanthe brevicornu Helen Kennedy, Fred R. Ganders 1980-4-15 4060 Riverside Sonoran (Colorado) Desert, along [Box Canyon] road between Mecca and Hwy. 10 300 Comment
  VVC2473  Chorizanthe brevicornu Tim Thomas 2013-3-18 5944 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  POM13298  Chorizanthe brevicornu var. brevicornu E. C. Jaeger 1921-3-25 s.n. Riverside Corn Springs. Comment
  UC55792  Chorizanthe brevicornu var. brevicornu H. M. Hall May 17 1901-Jun 1 1901 1853 Riverside Palm Canyon 457 Comment
  UCSB1368  Chorizanthe brevicornu var. brevicornu Gray, Caroline 1956-4-14 Riverside In the Devil's Garden, 3 mi off Hwy 99 Comment
  JOTR33985  Chorizanthe corrugata La Doux, Tasha, M. Harding 2010-4-7 2873 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA392656  Chorizanthe corrugata Unspecified 1920-04 s.n. Riverside Mecca. Comment
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Oct 26 2009
  RSA392658  Chorizanthe corrugata N. C. Cooper 1949-4-8 3306 Riverside Desert Center. 610 Comment
  POM12961  Chorizanthe fimbriata P. A. Munz, I. M. Johnston 1922-5-18 5318 Riverside 3 miles south of Murrieta. Comment
  UCR242864  Chorizanthe fimbriata Dick Newell, Judy Booth 2013-6-16 334 Riverside Peninsular Range; Santa Ana Mtns., South Main Divide Rd., 0.3 mi. east of Decker Canyon Rd. 887 Comment
  CAS-BOT-BC191343  Chorizanthe leptotheca Chris E. True; Robert Cox 1989-4-29 10150 Riverside San Jacinto Mtns.Foothills: along Hwy 74 at milepost 48, across from Cranston US Forest Service Station, 3 miles E of Fairview Ave., N of highway and S of San Jacinto River, near mouth of Bee Canyon 610 Comment
  CAS-BOT-BC191350  Chorizanthe leptotheca Edmund C. Jaeger 1922-6-14 s.n. Riverside MacMullen Trail, E slope San Jacinto Mts. Comment
  UC52620  Chorizanthe leptotheca Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  UCR16542  Chorizanthe leptotheca Heidi A. Haid 1964-5-10 64510- 12 Riverside Hwy 79, c. 1 mi. east of Aguanga 610 Comment
  UCR217653  Chorizanthe leptotheca Karyn L. Drennen, Kim Sparks 2010-6-7 10 Riverside Palomar Mountains foothills, Southwest of Durasno Valley, 5 km north-northeast of Beauty Peak, 1.07 km east of Bonny Lane and 10m north of Bowers Road. 1374 Comment
  CAS-BOT-BC252784  Chorizanthe parryi var. parryi Clare B. Hardham 1962-6-6 8951 Riverside Flats north of town and Lake Elsinore Comment
  UCR217497  Chorizanthe polygonoides var. longispina Jeff B. Galvin 2008-5-7 042 Riverside Santa Ana Mtns, San Mateo Cyn (West), 1.1km west of Wildomar Rd., and 500m southwest of Tenaja Trail 655 Comment
  UCR218071  Chorizanthe polygonoides var. longispina Steve Boyd 2010-5-26 12281 Riverside Santa Ana Mountains, Elsinore Peak, southeast of peak along trail running from east flank of peak to easternmost clay knoll along ''old Main Divide Road' 1018 Comment
  UCR217509  Chorizanthe procumbens var. albiflora Jeff B. Galvin 2008-5-21 47 Riverside Peninsular Ranges, Palomar Mountains, 2.3 km south of hwy 79 and 1.7 km west of Woodchuck Rd. 734 Comment
  CAS-BOT-BC246241  Chorizanthe rigida Peter H. Raven 1958-1-23 11430 Riverside alluvial fan of Fargo Canyon Comment
  POM98786  Chorizanthe rigida P. A. Munz 1926-1-31 9968 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA392741  Chorizanthe rigida N. C. Cooper 1949-4-8 3248 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  RSA543949  Chorizanthe staticoides Steve Boyd, Orlando Mistretta 1991-5-9 6181 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  RSA777280  Chorizanthe watsonii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4742 -a 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
  RSA11585  Chorizanthe xanti var. leucotheca C. Epling, Wm. Robison 1933-6-24 s.n. Riverside San Gorgonio Wash Comment
  UCR34882  Chrysothamnus nauseosus L. B. Ziegler 1977-10-24 576 Riverside San Jacinto Mtns., Black Mtn. Campground 2287 Comment
  UC1292624  Chylismia brevipes C. L. Hitchcock and C. V. Muhlick 1964-3-22 23242 Riverside wash 1 mi n Chuckwalla Spring; Chuckwalla Mts. Comment
  UCR269867  Chylismia brevipes A. C. Sanders, Jim Malusa 2016-3-18 42365 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  SD3349  Chylismia claviformis subsp. aurantiaca Ruth B. Randall 1922-4-2 218 Riverside Painted Canyon. Comment
  UC520280  Chylismia claviformis subsp. aurantiaca A. N. Dunn and A. M. Martin 1932-3-26 Riverside Coachella Comment
  UCSB12723  Chylismia claviformis subsp. peirsonii Dearing, Hugh; Dearing, Margaret 1930-4-13 Riverside Colorado desert between El Centro and Palm Springs Comment
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Jan 7 2015
  SBBG61420  Chylismia walkeri subsp. tortilis M. N. Ackley -Mar-1928 762 Riverside between Indio and Palm Springs 60 Comment
  CAS-BOT-BC289647  Cirsium occidentale var. californicum Donald Kyhos 1958-5-16 58 -186 Riverside 1 mile up road toward summit of Mount Santa Rosa, San Jacinto Mountains Comment
  UCR25723  Cirsium scariosum John LaSalle 1982-4-29 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, west of Murrieta; c. 3 mi. SW of Palomar Rd on Clinton Keith Rd. 549 Comment
  CAS-BOT-BC438852  Cistanthe monandra Street; Durant 1918-5-12 s.n. Riverside San Jacinto Comment
  CAS-BOT-BC438863  Cistanthe monandra Elizabeth McClintock 1958-4-3 s.n. Riverside Near southern entrance to Joshua Tree National Monument Comment
  RSA740633  Cistanthe monandra Scott D. White, Justin M. Wood 2008-6-18 12207 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. 1341 Comment
  CAS-BOT-BC171995  Clarkia epilobioides E. W. Lathrop 1966-6-1 6361 Riverside Tenaja Range, Fisherman's Creek Camp Comment
  UCR91640  Clarkia epilobioides D. L. Banks, Steve Boyd 1995-5-9 0381 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
  UCR232073  Clarkia purpurea John F. Green 2008-4-24 16- 03 Riverside Peninsular Range; SE Gavilan Hills, Lake Elsinore, west of Hwy 74 453 Comment
  RSA448298  Clarkia purpurea subsp. quadrivulnera Christopher Davidson 1977-5-25 5643 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  UCR84567  Clarkia similis Steve Boyd 1986-4-19 1705 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  CSUSB249  Clarkia unguiculata Pam Maynard 1974-5-16 Riverside Fairmount Park in city of Riverside. On the southern border of the park, on a dry slope. 603 Comment
  RSA386223  Clematis lasiantha E. Crow 1929-4-7 292 Riverside East end of Corona Skyline Drive, Santa Ana Mountains. Comment
  CAS-BOT-BC92820  Clematis pauciflora Nancy Ryan Zabriskie; Walter Zabriskie 1971-3-7 352 Riverside Andreas Canyon, east slope San Jacinto Mountains. 359 Comment
  CLARK-A1528-2205  Coldenia palmeri John C. Roos 1947-2-1 3225 Riverside Painted Canyon Comment
  JOTR35465  Coleogyne ramosissima Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 68 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  RSA0117404  Collinsia concolor Scott D. White, Michael Honer 2003-4-25 9116 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  RSA0117454  Collinsia concolor Duncan S. Bell, Joy D. England 2010-6-4 1261 Riverside San Bernardino National Forest: Garner Valley, approximately 3.2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1383 Comment
  RSA0117456  Collinsia concolor Duncan S. Bell, Joy D. England 2010-6-4 1263 Riverside San Bernardino National Forest: Garner Valley, along forest service road 6S13 approximately 0.5 air mile west of junction of forest service road 6S04 and forest service road 6S13. 1372 Comment
  RSA0117458  Collinsia concolor Duncan S. Bell, Joy D. England 2010-5-20 1027 Riverside San Bernardino National Forest: Garner Valley, approximately 1.75 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1361 Comment
  SFV22082  Collinsia concolor D. S. Bell, V. Arvizu 2010-5-24 1096 Riverside San Jacinto Mountains Garner Valley, along old road about 2.8 air miles southeast of junction of USFS Road 6S04 and USFS Road 6S13. 1382 Comment
  UCR23209  Collinsia concolor J. C. Lyman 1981-5-31 s.n. Riverside San Jacinto Mtns., May Valley Road, Idyllwild 1768 Comment
  UCR24900  Collinsia concolor A. C. Sanders 1980-7-18 1630 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA0117408  Collinsia concolor J. C. Roos 1952-4-13 5530 Riverside Box Springs Mts. 488 Comment
  RSA0117411  Collinsia concolor John Olmsted 1958-6-15 177 Riverside May Valley Truck Trail 2 mi. SE of Saunder's Meadow SW of Idyllwild Calif. (turn S from Idyllwild-Hemet Rd. at Idyllwild school.) 1646 Comment
  CLARK-A1528-4193  Collinsia heterophylla John C. Roos 1950-4-15 4733 Riverside Reche Canyon 822 Comment
  UC2027652  Colubrina californica Carolyn Martus, Joseph Betzier, Caesara Brungraber, Lance Woolley 2008-4-23 1217 Riverside Northwest of the Blythe airport and in the washes east of the McCoy mountains. Comment
  UCR239467  Condalia globosa var. pubescens A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40508 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  SD257165  Conium maculatum Dave Goodward 2016-7-30 716 1 Riverside San Jacinto Mountains: Garner Valley, c. half mile east of the eastern end of Lake Hemet and c. 0.7 mi southwest of Hwy 74, headwaters of the South Fork of the San Jacinto River (Idyllwild 7.5'Q) 1327 Comment
  CAS-BOT-BC224364  Convolvulus simulans D. Bramlet 1993-4-14 2327 Riverside Gavilan Hills: Black Rocks Area. The site is 762m NE of Black Rocks and 1.2km south of Cajalco Road. The locality is 305m east of the existing orange groves 445 Comment
  UCR84653  Conyza coulteri Scott D. White, S. Ogg 1994-4-21 1978 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR103461  Cordylanthus rigidus Bern Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, at and near the spring. 1293 Comment
  CAS-BOT-BC287880  Coreopsis californica Ira L. Wiggins 1941-3-27 9706 Riverside Slopes 4 miles N of Whitewater Comment
  RSA271151  Coreopsis californica C. W. Tilforth, Walter Wisura, John Dourley 1978-3-10 1502 Riverside 5 miles NW of Alberhill along Hwy 71. 366 Comment
  SEINET270123  Coreopsis californica Steve Boyd, Orlando Mistretta; Tim Ross 1992-2-26 6701 Riverside San Mateo Canyon Wilderness Area ; Santa Ana Mountains San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon 305 Comment
  RSA0042780  Cornus nuttallii A. Lee Haines 1951-5-19 s.n. Riverside Dark Canyon, San Jacinto Mt. 1981 Comment
  CDA21779  Cosmos sulphureus Steve Boyd 1989-7-9 3778 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  UCR158351  Cotula australis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30079 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
  UCR68872  Cotula australis Steve Boyd, T. S. Ross 1990-5-11 4679 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  UCR116507  Crassula aquatica A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 744 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR60657  Crassula aquatica R. F. Thorne 1973-5-23 43849 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  RSA614173  Crassula connata D. L. Banks 1997-2-23 1286 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  RSA334997  Cressa truxillensis Steve Boyd 1985-8-7 1118 Riverside Murrieta area, Clinton Kieth Rd., just east of the Bear Creek development golfcourse. Comment
  SEINET4691688  Crinodendron patagua O. F. Clarke 2006-1 s.n. Riverside Peninsular Range: Riverside; O. F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CAS-BOT-BC175814  Crossosoma bigelovii John Thomas Howell 1928-3-11 3414 Riverside Rocky wall of Morongo [Canon] Canyon, n. Colorado Desert 609 Comment
  UC218066  Crossosoma bigelovii A. F. Gilman 1922-3-19 Riverside Andreas Canyon Palm Springs Comment
  HSC66727  Croton californicus D. Goforth, D. Reed 1980-3-25 361 Riverside Hwy. 195, 6 mi. E of Mecca, Box Canyon, Mecca Hills. 122 Comment
  RSA150911  Croton californicus P. H. Raven 1962-3-3 16883 Riverside San Gorhonio Pass 0.5 mile east of Whitewater 183 Comment
  RSA796020  Croton californicus Duncan S. Bell 2009-4-18 244 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  CLARK-A1528-431  Croton californicus subsp. californicus C. M. Flanagan 1973-6-13 OO 702 Riverside Morongo Indian Reservation 1158 Comment
  RSA480703  Croton californicus var. mohavensis P. J. Remple 1942-3-3 s.n. Riverside Garnet Station. Comment
  SEINET238507 Image available Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23082 Riverside San Jacinto Mountains: McMullen Flat at Valley High County Park 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road. 1030 Comment
  RSA586256  Crypsis vaginiflora R. E. Riefner 1995-11-29 95 -398 Riverside Along Davis Road near the San Jacinto River. Comment
  GMDRC5506  Cryptantha J. Andre, T. La Doux, R. B. Kelley 2011-5-4 21088 Riverside Little San Bernardino Mountains: Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  OBI23315  Cryptantha Robert F. Hoover 1969-4-11 11217 Riverside Mouth of Morongo Valley Cyn Comment
  UCR234283  Cryptantha A. C. Sanders 2012-4-12 40034 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between El Hermano Rd. and I-15 crossing near Mayhew Canyon 311 Comment
  UCR281493  Cryptantha Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 92 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  SEINET6971882  Cryptantha W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  RSA692206  Cryptantha angustifolia Scott D. White, Michael Honer 2003-5-14 9283 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (= Superior ) Gypsum Mine. 76 Comment
  RSA778221  Cryptantha angustifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 774 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  RSA795934  Cryptantha angustifolia Duncan S. Bell 2009-4-19 262 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UC166882  Cryptantha angustifolia unknown May 1 1906-May 10 1906 239 a-6761 Riverside Palm Springs Colorado Desert Comment
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Nov 30 2009
  UC665815  Cryptantha angustifolia Ira L. Wiggins 1941-3-24 9574 Riverside 2.7 mi s Mortmar (along e side of Salton Sea); Salton Sea Comment
  UCR104004  Cryptantha angustifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2652 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR165811  Cryptantha angustifolia 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
  SEINET10455843  Cryptantha angustifolia David B. Dunn 1948-2-21 Dunn 3684 Riverside On same sheet as Dunn 2833, UMO 69397. Borage, large flrd. Pushawalla, a rain about 2 weeks earlier in wash. Hills still quite dry. Comment
  POM46807  Cryptantha barbigera Mary F. Spencer 1920-3-24 1579 Riverside Crevices of rocks near Indian Wells 107 Comment
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Nov 19 2011
  UCR30072  Cryptantha barbigera George K. Helmkamp 1983-4-5 483 16 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR276655  Cryptantha barbigera var. fergusoniae Jim Andre 2015-3-6 33550 Riverside Coachella Valley, along Snow Canyon oad, just south of Hwy 111 362 Comment
  RSA780960  Cryptantha costata Stephanie Rockwood, Christi Gabriel 2011-12-14 219 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 107 Comment
  UC100863  Cryptantha costata H. M. Hall 1905-5-1 5974 Riverside Hodges Mts. Colorado Desert Comment
  SDSU18645  Cryptantha decipiens Michael G. Simpson, Kristen Hasenstab 2008-4-1 2940 Riverside Joshua Tree National Park, east side of Mastodon Peak, ca. 0.65 mile east-southeast of Cottonwood Spring. 1027 Comment
  UCR41531  Cryptantha dumetorum A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6010 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  RSA499723  Cryptantha intermedia W. P. Burger 1979-4-28 64 Riverside Along Carancho Road, just past where stream crosses road, Hidden Valley. 366 Comment
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Jan 11 2016
  RSA559328  Cryptantha intermedia Steve Boyd, Tim Ross 1992-5-15 7414 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  RSA702749  Cryptantha intermedia Scott D. White, Michael Honer 2004-4-6 10039 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  SD237367  Cryptantha intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37726 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34a^z) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 427 Comment
  UC857161  Cryptantha intermedia I. W. Clokey 1935-4-18 6861 Riverside Gavilan mesa Gavilan 700 Comment
  UCD119841  Cryptantha intermedia Dave Hawks 1988-4-2 s.n. Riverside Tule Creek drainage, 1.75 miles (airline) NE of Aguanga, SE of intersection of Dove and Sycamore Streets, south of Highway 371. 762 Comment
  UCR201485  Cryptantha intermedia Scott D. White, Justin M. Wood 2008-6-16 12126 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 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
  POM9604  Cryptantha intermedia I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  JOTR29373  Cryptantha maritima La Doux, Tasha, Mike Bell 2006-5-10 1450 Riverside Joshua Tree National Park. East Deception Canyon Comment
  POM369551  Cryptantha maritima E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Calif. Painted Canon. Comment
  RSA779587  Cryptantha maritima Duncan S. Bell 2009-3-7 19 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
  SD260026  Cryptantha maritima J. M. Andre 2013-3-27 24831 Riverside Riverside Mountains: along Wilson River Crossing Rd, 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct. Parker SW 7.5'Q 114 Comment
  UC24728  Cryptantha maritima W. G. Wright 1890-1 1760 Riverside Colorado Desert Comment
  NY1154442  Cryptantha micrantha N. H. Holmgren 1973-3-22 6462 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  SJSU11353  Cryptantha micrantha J. W. Tofflemire 1957-4-18 Riverside Bautista Canyon Rd, Bautista Canyon SE of Hemet Comment
  UC857178  Cryptantha micrantha Lewis S. Rose 1937-4-10 37152 Riverside La Quinta 0 Comment
  RSA788859  Cryptantha micrantha var. lepida Gary D. Wallace 2003-7-8 4028 Riverside Hidden Lake. Comment
  JOTR33867  Cryptantha micrantha var. micrantha La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3052 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps 432 Comment
  RSA717464  Cryptantha microstachys Scott D. White 2006-4-28 11318 Riverside Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  UC64400  Cryptantha microstachys W. L. Jepson May 17 1901-Jun 1 1901 1281 Riverside Canyon of San Jacinto River Comment
  UCR127354  Cryptantha microstachys A. C. Sanders, D. Malueg 2003-5-8 26572 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UCR48412  Cryptantha microstachys Steve Boyd 1986-4-22 1731 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  RSA786102  Cryptantha muricata C. P. Cowan 1978-4-25 1273 Riverside 5.1 miles (8.1 km) west on Hwy. 74 from jct. with 243, approaching Hemet. San Jacinto Mts. Whittaker transect no. W-228. 1370 Comment
  RSA0018642  Cryptantha muricata C. P. Cowan 1978-4-24 1250 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1 mi S of 74. Whittaker transect no.W-225(voucher). Comment
  JEPS122475  Cryptantha muricata var. jonesii J. M. Andre 2012-6-15 30532 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  RSA0024547  Cryptantha wigginsii Steve Boyd 1986-5-1 1797 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  UCR241232  Cucurbita foetidissima Tracy Tennant, Jeffrey Ross 1998-7-30 MOR- 690 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon 1067 Comment
  POM204501  Cucurbita palmata M. French Gilman 1934-10-3 s.n. Riverside Cabazon. Comment
  SEINET6654702  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Dr at Jamawag Rd, N of Leon Rd.; 0 550 Comment
  UCR232065  Cucurbita palmata John F. Green 2008-4-24 13- 07 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  CAS-BOT-BC224403  Cuscuta californica No date on label s.n. Riverside Strawberry Valley Comment
  CAS-BOT-BC224551  Cuscuta californica C. L. Hitchcock; C. V. Muhlick 1964-3-17 23076 Riverside 8 miles s.e. of Corona, along road to Elsinore Comment
  UC1292594  Cuscuta californica C. L. Hitchcock and C. V. Muhlick 1964-3-17 23076 Riverside 8 mi se Corona (along road to Elsinore) Comment
  UCR35150  Cuscuta californica var. papillosa L. B. Ziegler 1972-6-10 480 Riverside San Jacinto Valley, [Santa Rosa ] hills on south side of valley (W of Ramona Bowl) Comment
  UCR47050  Cylindropuntia californica var. parkeri Karin Cleary-Rose 1987-5-21 070 Riverside San Jacinto Valley, San Jacinto, north side of Gilman Springs Road, 0.4 km SE of its intersection with Bridge Street 463 Comment
  RSA0072260  Cylindropuntia echinocarpa Michelle Cloud-Hughes, Tim Thomas, Kelsey Black 2013-3-24 089 Riverside Palo Verde Mesa, 14km WSW of Blythe. 120 Comment
  RSA289852  Cynodon dactylon B. A. Prigge 1980-9-16 4050 Riverside Indio. Coachella Valley Stormwater Channel., Near 33 deg 44'N, 116 deg 14'W. 0 Comment
  RSA613629  Cynodon dactylon D. L. Banks, Victor Steinmann 1997-3-13 1488 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA772336  Cynodon dactylon Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4516 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET10468112  Cynodon dactylon David B. Dunn, A. Folsom 1948-6-17 Dunn 3797 Riverside At quad 1. At camp in pushawalla canyon under palms. Comment
  CAS-BOT-BC114417  Cyperus erythrorhizos A. C. Sanders; Oscar F. Clarke 1991-10-5 11742 Riverside Rubidoux, Santa Ana River Regional Park, ca. 0.3 mi SE of Louis Rubidoux Nature Center. Comment
  UCR93231  Cyperus odoratus A. C. Sanders 1994-7-27 15164 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  POM10287  Cyperus parishii Charlotte M. Wilder 1905-06 615 Riverside Wilder s [near Riverside] Comment
  UCR59235  Cyperus parishii Jeri Hirshberg 1989-7-20 s.n. Riverside Diamond Valley, south of Newport Road, near Searl Ranch. Comment
  CAS-BOT-BC114014  Cyperus rotundus Ralph Hoffman 1927-9-10 s.n. Riverside Cultivated ground near Fontana Comment
  SD136986  Cyperus squarrosus Steve Boyd, Tim Ross 1992-5-15 7391 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; major lateral drainage north of Bear Canyon; vicinity of the junction of Tenaja and Morgan Trails; west of Round Potrero. 671 Comment
  SEINET9886881 Image available Cyperus squarrosus Andrew C. Sanders, T. B. Salvato, E. J. Lawlor, C. L. Sanders, et al 1999-8-22 23063 Riverside San Jacinto Mtns.; NW shore of Lake Hemet, at Forest Service day use area; TRS: 6S 3E 8 NW/4 1322 Comment
  POM11143  Cystopteris fragilis P. A. Munz 1922-7-6 6041 Riverside San Jacinto Peak, occasional at summit. 3287 Comment
  POM11496  Cystopteris fragilis P. A. Munz 1922-7-7 6051 Riverside San Jacinto Mountains: Round Valley 2713 Comment
  RSA0042919  Dalea mollis Duncan S. Bell, Evan Meyer 2014-4-2 6496 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA28052  Dalea mollis I. L. Wiggins 1941-3-27 9680 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA48327  Dalea mollis E. K. Balls 1949-4-4 12961 Riverside Hollows between Durmid and Salton sea on Hwy 111. -30 Comment
  RSA782195  Dalea mollis Duncan S. Bell 2011-10-22 2982 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SEINET10452149  Dalea mollissima David B. Dunn 1946-3-16 Dunn 2089 A Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Sparse Desrt scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  SFV4380  Dalea mollissima F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert About 7 miles up Palms to Pines Highway from Palm Desert. 335 Comment
  UCR233939B  Dalea mollissima Duncan S. Bell 2011-10-22 2982 B Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  CAS-BOT-BC283041  Dasyochloa pulchella Welder 1907-4-1 s.n. Riverside Murray Wash, Palm Springs Comment
  CLARK-A1528-4341  Datura discolor John C. Roos 1965-11-6 Riverside Colorado Desert Comment
  UC724162  Datura discolor Aven and Ruth Nelson 1939-3-28 3299 Riverside s. Mecca (on State Hwy. 111) Comment
  RSA792832  Datura wrightii Justin M. Wood, Dustin Ray 2011-4-28 3846 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  UCR250566  Daucus pusillus A. C. Sanders 2014-4-25 41067 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  UC194674  Deinandra fasciculata S. B. and W. F. Parish 1882-6-1 237 Riverside near Temecula; San Jacinto Plains Comment
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Jul 15 2009
  RSA703225  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -147 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  RSA703250  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -143 Riverside Moreno Vallaey, along Allesandro St. near Merwin St. intersection. 487 Comment
  UC63237  Deinandra kelloggii H. M. Hall Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley Comment
  CAS-BOT-BC131020  Deinandra mohavensis A. C. Sanders; T. Schram; D. Wappler 1994-10-4 15771 Riverside San Jacinto Mountains: Brown Creek drainage 0.3-0.5 mi. above confluence w/ Twin Pines Cr. 915 Comment
  RSA336418  Delphinium parishii Robert F. Thorne 1978-4-23 52058 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  JEPS5521  Delphinium parryi W. L. Jepson May 17 1901-Jun 1 1901 1429 Riverside Van Deventer's Ranch San Jacinto Mts. Comment
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Nov 9 2009
  UC1031430  Delphinium parryi H. Lewis 1941-7-7 Riverside Lake Hemet Comment
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Mar 24 2011
  CAS-BOT-BC121431  Delphinium parryi subsp. parryi Philip Alexander Munz; Street; Williams 1919-5-28 105739 Riverside San Gorgonio Pass near Banning 701 Comment
  RSA394494  Delphinium parryi subsp. purpureum N. C. Cooper 1949-6-29 4328 Riverside Hemet Lake, San Jacinto Mountains. 1524 Comment
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Nov 22 2011
  UC64113  Delphinium patens subsp. montanum H. M. Hall 1899-5-1 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  CAS-BOT-BC82950  Dendromecon rigida A. M. White 1974-6-5 1362 Riverside Indian Road ca. 15 miles west Sun City. 1219 Comment
  UCD95191  Dendromecon rigida C. L. Hitchcock 1966-3-15 24160 Riverside 3 mi. e. of Glen Ivy Hot Springs. Comment
  UCR188885  Dendromecon rigida Brent Barnes, Seung-Chul Kim, A. C. Sanders, UCR Plant Taxonomy class 2007-5-20 01 Riverside Peninsular Range; San Jacinto Mtns., Mt. Edna Road off Hwy 74 1159 Comment
  POM369390  Descurainia pinnata subsp. glabra M. B. Dunkle 1932-3-25 2888 Riverside Cabazon. Colorado desert. 457 Comment
  UCR59506  Descurainia sophia Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3243 Riverside Peninsular Range, Vail Lake area, Butterfield Valley, SE of Lake near Temecula Creek. 488 Comment
  UC9924  Dicentra chrysantha Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UCR35066  Dicentra chrysantha L. B. Ziegler 1968-6-26 324 Riverside San Jacinto Mtns, N slope of Thomas Mtn 1555 Comment
  UCR107885  Dichelostemma capitatum B. G. Pitzer 1997-3-23 2952 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
  UCR154826  Dichelostemma capitatum A. C. Sanders, Mike Misenhelter 2005-3-23 29275 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  JOTR37060  Dichelostemma capitatum subsp. capitatum La Doux, Tasha, M. Harding, J. Heintz, D. Thomas 2015-4-23 3546 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north of Eureka Peak road; along northward corridor with California Riding and Hiking Trail, sandy wash bottom with steep granite rocky slopes Comment
  RSA501057A  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3174 A Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CAS-BOT-BC292193  Dicoria canescens R. S. Ferris 1958-3-1 s.n. Riverside South of Dale Dry Lake east of Twenty-nine Palms Comment
  SFV9394  Dicoria canescens M. L. Vincent, R. H. Swade 1963-10-19 464 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  UC1523589  Dicoria canescens Robert F. Thorne and C. W. Tilforth 1980-5-28 54158 Riverside n-s rocky ridge at e side Whitewater River (at mouth of canyon, ca. 1/4 - 1/2 mi e of Whitewater Post Office); San Bernardino Mts., Colorado Desert Comment
  JEPS40728  Dieteria asteroides var. asteroides Marjorie D. Clary 1932-5-9 371 Riverside near Neighbors; Palo Verde Valley 91 Comment
  SD137607  Diplacus aurantiacus Darin L. Banks, Steve Boyd 1995-6-2 558 Riverside Cleveland National Forest; Agua Tibia Wilderness area N face of N peak of Agua Tibia Mountain; on Woodchuck Trail N of the Riverside County boundary Ao mi S of clay grasslands 901 Comment
  CAS-BOT-BC150927  Diplacus bigelovii var. bigelovii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9546 Riverside Cottonwood Springs Canyon Comment
  SBBG14803  Diplacus clevelandii P. H. Raven 1962-5-18 17759 Riverside Main Divide Truck Trail 2.9 mi S of Santiago Pk 1234 Comment
  RSA0018422  Diplacus longiflorus var. calycinus D. C. Michener, Walter Wisura 1982-7-15 4061 -A Riverside Open granitic boulders and slope above CA 234 ca 0.5 mi. above crossing of Smith Creek (beginning of grade south of Banning). Comment
  RSA421624  Ditaxis californica Robert L. Dressler 1952-4-19 1210 -a Riverside Just south of Vidal Junction. Comment
  UCSB3580  Ditaxis lanceolata Haller, John 1960-4-2 Riverside North base of Orocopia Mtns., 1.3 miles south of the junction of U.S. 60-70 and the south entrance road to Joshua Tree National Monument 487 Comment
  UCR244314  Ditaxis neomexicana Jim Andre 2012-4-16 20889 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  UCD142319  Ditaxis serrata G. L. Webster; R. Hildreth 1966-12-10 7470 Riverside C. 7-8 mi NE of Mecca on Cal. 195. 198 Comment
  POM13021  Dithyrea californica P. A. Munz, D. D. Keck 1922-4-14 4964 Riverside Indian Wells 107 Comment
  RSA0029327  Dithyrea californica Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4684 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  RSA162746  Dithyrea californica John Olmsted 1958-3-29 79 Riverside Transtion zone with interior drainage into Pinto BAsin 10miles N of jct between Cottonwood Pass and Cottonwood Spring Roads on the former which has now becom Pinto Basin Road, Joshua Tree National Monument. 549 Comment
  UC118026  Dithyrea californica S. B. Parish 1881-3-1 15 Riverside Whitewater Colorado Comment
  UC1329976  Dithyrea californica James E. Cole 1941-3-30 449 Riverside Pinto Basin Joshua Tree National Monument 457 Comment
  UCR214549  Dithyrea californica A. C. Sanders 2010-3-15 37417 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  SEINET12005462  Dithyrea californica J. F. Bright, Wyman, C. 1933-1 8062 Riverside between Radio & Palm Springs Comment
  SEINET3148491  Draba corrugata F. M. Reed 1908-7-11 2517 Riverside Summit of San Jacinto Mts. 3292 Comment
  RSA66557  Draba corrugata var. saxosa P. A. Munz 1922-7-7 6043 Riverside Summit of San Jacinto Peak. 3287 Comment
  UCR121306  Draba cuneifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25017 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  POM212327  Drymocallis glandulosa Carl B. Wolf 1931-5-11 1961 Riverside San Jacinto Mountains: rocky places near Pipe Creek, above Hemet Valley 1677 Comment
  SEINET3071477  Dudleya Marc A. Baker, Michelle Cloud-Hughes 2011-1 Riverside Comment
  CHSC101725  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. 1524 Comment
  POM12114  Dudleya lanceolata Mary F. Spencer 1921-5-30 1124 Riverside Canyon near San Jacinto. 549 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
  CAS-BOT-BC109610  Dudleya saxosa subsp. aloides Ynez Whilton Winblad 1937-3-14 s.n. Riverside Near Palm Springs. Comment
  SD45423  Dudleya saxosa subsp. aloides Reid Moran 1947-5-10 2182 Riverside Santa Rosa Peak road, 1.5 miles from highway. 1690 Comment
  JOTR01047  Dudleya saxosa subsp. aloides Cole, James E. 1941-5-21 759 Riverside Joshua Tree National Park. DALE, COTTONWOOD ROAD 914 Comment
  SEINET3412075 Image available Echinocereus engelmannii var. engelmannii Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28522 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  RSA0125620  Echinocereus engelmannii var. engelmannii Marjorie Shaw 1916-03 s.n. Riverside Palm Springs Comment
  RSA0106466  Echinochloa crus-galli Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  RSA629024  Echinochloa crus-galli Scott D. White 1998-6-28 6803 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  UC39152  Echinochloa crus-galli E. L. Koethen 1897-8-12 8 Riverside Riverside Comment
  UCR92731  Echinochloa crus-galli A. C. Sanders 1994-7-27 15166 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  UC69324  Echinodorus berteroi F. M. Reed 1903-6-13 668 Riverside Lakeview Comment
  RSA737428  Eichhornia crassipes Justin M. Wood 2008-8-31 128 Riverside Romoland, Intersection of Ethanac Rd and Antelope Rd. 441 Comment
  SEINET3910445  Eleocharis acicularis Faulkner 1978-3-21 354 Riverside 9 miles No. of Blythe Highway 95.; 0 152 Comment
  UCR82836  Eleocharis geniculata A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15815 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UCR20922  Eleocharis parishii A. C. Sanders 1978-7-5 00694 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  RSA743553  Eleusine coracana subsp. africana R. E. Riefner 2003-12-20 3 -548 Riverside Near Jurupa, Hellman Ave. at Pine Ave. 195 Comment
  UCR154465  Elymus elymoides Jason L. Hlebakos 2005-5-30 810 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
  CLARK-A1528-56  Elymus glaucus C. M. Flanagan 1973-5-22 OO 904 Riverside Rubidoux Comment
  RSA179514  Elymus glaucus E. W. Lathrop 1960-6-7 4887 Riverside 14 miles west of Murieta. Relondo Mesa. Comment
  SEINET7303713 Image available Elymus glaucus Robert Thorne, J. -P. Simon, & C. W. Tilforth 1969-1 38111 Riverside San Bernardino National Forest, San Jacinto Mts.: Above James Reserve in Hall Canyon 1676 Comment
  UCR167864  Elymus glaucus T. B. Salvato, John F. Green 2004-5-27 646 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
  UCR205295  Elymus glaucus Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1703 Riverside San Jacinto Mountains, Slope above junction of Dark Canyon and Fuller Mill Creek. 1585 Comment
  SD28117  Elymus glaucus subsp. glaucus Carl B. Wolf 1932-8-5 3942 Riverside San Jacinto Mountains, along trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  POM47169  Elymus glaucus subsp. jepsonii Mary F. Spencer 1919-6-23 1215 Riverside San Jacinto Mountain near Idyllwild. 1524 Comment
  RSA500131  Elymus glaucus subsp. jepsonii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3680 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  CLARK-A1528-5011  Emmenanthe penduliflora John C. Roos 1937-6-7 2398 Riverside Comment
  POM8455  Emmenanthe penduliflora Mary F. Spencer 1920-4-2 349 Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA504543  Emmenanthe penduliflora Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  RSA747732  Emmenanthe penduliflora Scott D. White, Justin M. Wood 2009-3-24 12571 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  UC880684  Emmenanthe penduliflora C. L. Hitchcock 1940-4-1 5900 Riverside 1 mi below Cottonwood Springs; Joshua Tree National Monument Comment
  UCR108851  Emmenanthe penduliflora Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR135993  Emmenanthe penduliflora Virginia Moran 2003-3-26 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCR231739  Emmenanthe penduliflora John F. Green 2008-4-23 08- 04 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR25801  Emmenanthe penduliflora John C. Roos 1952-4-13 5534 Riverside N side of the Box Springs Mountains 457 Comment
  JEPS34089  Encelia actoni W. L. Jepson 1928-4-25 12584 Riverside Cottonwood Springs Colorado Desert, Eagle Mts., Cottonwood Springs 731 Comment
  JEPS59916  Encelia farinosa Lewis S. Rose 1967-12-19 67180 Riverside La Quinta 15 Comment
  RSA570254  Encelia farinosa Steve Boyd, Timothy S. Ross, W. Appleby 1993-3-20 7888 Riverside Southern end of Cadiz Valley, just east of the Coxcomb Mountains and northwest of the Granite Mountains, west edge of Highway 177, just south of intersection with Highway 62. 400 Comment
  SBBG52758  Encelia farinosa N. C. Cooper 1944-4-8 1094 Riverside Andreas Cyn 304 Comment
  SD157559  Encelia farinosa Michael L. Wells 1990-4-19 90 19 Riverside Perris, intersection of Nuevo Road and Rimrock Road; southeast facing slope Comment
  UCD130857  Encelia farinosa Donald W. Kyhos 1965-3-13 65 -111 Riverside 6.2 miles west of junction of Hwy 78 and Hwy 60-70 near Blythe. Comment
  SEINET9290926  Encelia farinosa Unknown 1965-3-13 65 -111 Riverside Riverside Comment
  POM356692  Encelia farinosa var. farinosa Christopher Davidson 1979-4-4 7731 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA525271  Encelia farinosa var. farinosa Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4585 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UCR232397  Encelia farinosa var. phenicodonta Dave Silverman, Mark Bibbo 2010-3-31 7837 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 1.5 km west of Black Creek Rd, 6.5 km north of I-10, and 6.9 km ENE of McCoy Peak 177 Comment
  CAS-BOT-BC409252  Ephedra Lester Rowntree 1934-3-24 s.n. Riverside Morongo Valley Comment
  CLARK-A1656-719  Ephedra californica Theo Glenn 1981-3-14 Riverside Whitewater Canyon Comment
  JEPS49091  Ephedra californica W. L. Jepson and W. C. Mathews 1914-5-18 5990 Riverside n of Indio; Pinyon Well grade Comment
  POM14278  Ephedra californica Philip A. Munz, I. M. Johnston 1922-5-7 5286 Riverside Between Whitewater & Mission Creeks. Dry rocky mesa. 366 Comment
  SEINET3866930  Ephedra californica Howard C. Stutz 1979-12-31 8621 Riverside Palm Springs.; 0 Comment
  UC1929884  Ephedra californica Scott D. White, Michael Honer 2003-5-13 9235 Riverside SAN BERNARDINO MTNS: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. Open wash & alluvial benches. Comment
  RSA0065425  Ephedra fasciculata Peter Gail 1961-5-6 s.n. Riverside Palms to Pines Highway; 125' off road, San Jacinto Mountains. Comment
  UCR193260  Epilobium A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35617 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi WSW of Fleming Ranch, at ephemeral stream crossing of dirt track 1561 Comment
  RSA787213  Epilobium angustifolium J. D. Olmsted 1959-7-18 766 Riverside N. fk. San Jacinto River drainage area. Dark Canyon above Hwy from Banning to Idyllwild (0.25 mi). 1723 Comment
  RSA588601  Epilobium canum subsp. canum D. L. Banks, Steve D. Boyd 1995-10-17 812 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
  LA206142  Epilobium canum subsp. latifolium Louis C. Wheeler; 1931-10-4 199 Riverside San Jacinto Mountains, Strawberry Valley 1584 Comment
  POM12415  Epilobium canum subsp. latifolium P. A. Munz 1922-9-5 6363 Riverside Strawberry Valley, north end. 1677 Comment
  UCR111759  Epilobium ciliatum S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  RSA92723  Epilobium pygmaeum J. C. Roos 1952-5-14 5662 Riverside Edgemont, near Box Springs. 488 Comment
  RSA381725  Epipactis gigantea Joseph A. Ewan 1930-4-17 3051 Riverside Warners Ranch at Whitewater. 396 Comment
  UCR236672  Eragrostis Fred M. Roberts, Michelle Balk 2006-8-24 6403 Riverside Upper San Jacinto Valley, Hemet, south side of Esplanade Rd. near intersection with Alabaster Rd., 0.3 km E of junction with Warren Rd. 452 Comment
  UCR158283  Eragrostis cilianensis Scott D. White, Michael A. Patten 1992-6-10 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Interstate Hwy 10/Cook Street interchange near Palm Desert 55 Comment
  UCR25241  Eragrostis mexicana subsp. mexicana John C. Roos 1952-5-14 5659 Riverside San Bernardino Valley, Riverside, corner of Iowa Avenue and 8th Street 305 Comment
  UC187906  Eremalche exilis S. B. and W. F. Parish March, 1881 99 Riverside borders of Colorado Desert at Agua Caliente; borders of Colorado Desert Comment
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Oct 27 2014
  UCSB10035  Eremalche rotundifolia Haller, John 1958-5-22 Riverside Immediately S. of Hy. 60-70, 5.8 miles E. of Desert Center Comment
  RSA58864  Eremogone ferrisiae P. A. Munz, Percy C. Everett 1950-6-23 14917 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains. 1402 Comment
  CAS-BOT-BC160052  Eremothera boothii subsp. condensata Philip A. Munz 1932-3-14 11990 Riverside Deep Canyon, Coachella Valley 152 Comment
  CAS-BOT-BC160063  Eremothera boothii subsp. condensata Roxana S. Ferris 1918-6-14 999 Riverside Near Gruendikes Well, Mecca - Blythe Road Comment
  RSA0060485  Eriastrum densifolium subsp. austromontanum J. M. Andre 2012-6-15 30534 Riverside Along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest. 1499 Comment
  RSA0105505  Eriastrum densifolium subsp. austromontanum Christopher Davidson 1978-6-15 7381 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2087 Comment
  UCR113547  Eriastrum densifolium subsp. elongatum Mitch Provance 1998-6-6 686 B Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  JOTR32371  Eriastrum diffusum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2483 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  UC901712  Eriastrum eremicum subsp. eremicum Alice Eastwood 1913-4-30 2984 Riverside Palm Springs Comment
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Aug 27 2011
  RSA0121257  Eriastrum eremicum subsp. eremicum Robert Gustafson 1980-5-5 1572 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  RSA0120680  Eriastrum harwoodii D. Silverman, F. T. Sproul, Tammy Beyerl, Erin Bergman 2010-3-29 7875 Riverside East end of Chuckwalla Valley, west of Blythe, 1.3 miles south of gas line frontage, 1.9 km south of I-10 and 8.5 km west of Nicholl's Warm Spring. 142 Comment
  RSA0121557  Eriastrum sapphirinum subsp. dasyanthum Percy C. Everett, E. K. Balls, L. W. Lenz 1952-7-1 17283 Riverside 6.7 miles W along Highway 74 from junction with road from Idyllwild. 915 Comment
  JOTR31115  Ericameria linearifolia La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2499 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  UCR195803  Ericameria nauseosa var. mohavensis Jim Andre, T. La Doux 2007-9-6 8703 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  POM359440  Ericameria palmeri var. pachylepis Albert J. Perkins 1915-9-25 s.n. Riverside Pachappa Mt Comment
  RSA486463  Ericameria palmeri var. pachylepis Richard Noyes, L. Arnseth 1988-10-30 753 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  CAS-BOT-BC299538  Ericameria paniculata Lewis S. Rose 1935-12-21 35677 Riverside Whitewater Wash, 3 mi. SE Palm Springs Station 304 Comment
  UC1929886  Ericameria paniculata Scott D. White, Michael Honer 2003-5-13 9250 Riverside SAN BERNARDINO MTNS: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. Open wash & alluvial benches. Comment
  CAS-BOT-BC293093  Ericameria pinifolia Philip A. Munz 1946-10-19 11564 Riverside Coahuila [Cahuilla] 1097 Comment
  RSA588677  Ericameria pinifolia D. L. Banks, Steve Boyd 1995-10-26 0834 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, S of the first grassland. Approximately 0.7 miles from the Wilderness boundary 713 Comment
  SD144047  Ericameria pinifolia A. C. Sanders, T. Tennant 1997-11-14 21604 Riverside San Bernardino Mtns.: Morongo Indian Reservation, Hathaway Canyon. 854 Comment
  RSA679071  Erigeron breweri var. jacinteus Michael Denslow, Firoozeh Navid-Ara, Valerie L. Sosa 2003-7-15 1450 Riverside Tahquitz Peak, on saddle east of summit 2637 Comment
  POM49718  Eriodictyon crassifolium H. M. Hall 1901-06 s.n. Riverside Western fase, San Jacinto Mts, Riverside County. Comment
  RSA0034874  Eriodictyon crassifolium I. W. Clokey, E. G. Anderson 1935-4-16 6834 Riverside East of Hemet. 600 Comment
  JEPS39  Eriodictyon crassifolium var. crassifolium W. L. Jepson 1939-4-15 19213 Riverside about 9 mi westerly from Aguanga (Dripping Spring, (westerly from Nigger Valley about 3 mi)); Dripping Spring Comment
  UC24068  Eriodictyon crassifolium var. crassifolium H. M. Hall 1899-5-20 1107 Riverside Valle Vista San Jacinto Mountains, Valle Vista (in sand washes) Comment
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Mar 27 2011
  UCR251891  Eriodictyon crassifolium var. crassifolium M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  SBBG160  Eriogonum apiculatum R. Hoffmann 1929-9-6 Riverside above Tahquitz Valley 2499 Comment
  SBBG61842  Eriogonum apiculatum R. Hoffmann 1929-9-7 Riverside Fuller's Mill Comment
  SEINET6328737  Eriogonum apiculatum Louis Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  SEINET5328306  Eriogonum apiculatum J. L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mtns., along California Hwy 243, 4.4 mi NNW of Idyllwild, 8.9 mi N of the junction with Hwy 74, and 1 mi S of Alandale Ranger Station, Comment
  POM146196  Eriogonum baileyi var. baileyi F. M. Reed 1927-10-22 5513 Riverside Big Morongo Valley, south of Mojave Desert [Riverside or San Bernardino County] Comment
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Jun 30 2012
  CAS-BOT-BC242789  Eriogonum davidsonii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Between Idyllwild & Keen Camp Comment
  CAS-BOT-BC242795  Eriogonum davidsonii James L. Reveal; Barbara J. Ertter 1976-6-30 4565 Riverside San Jacinto Mountains, Pinyon Flat, 2 miles north of California Highway 74 along Palm Canyon Drive 1249 Comment
  HSC80073  Eriogonum davidsonii Dave Goodward 1985-9-29 Riverside San Jacinto Mtns. edge of Soboba Burn, rim of Hall Canyon above UC James Reserve 1677 Comment
  JOTR35460  Eriogonum davidsonii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 63 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop4) Comment
  RSA783168  Eriogonum davidsonii Elizabeth A. Kempton, Naomi Fraga, Tim Tibault, Valentin Arvizu 2006-6-7 384 Riverside San Jacintos, near Palm View Peak, just east of Forbes Ranch Road 1879 Comment
  UCR164567  Eriogonum davidsonii S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  UCSB25721  Eriogonum davidsonii Gliessman, Stephen 1968-7-17 Riverside along Little Thomas Mountain Road, 2.9 miles southwest of junction with Highway 74, Little Thomas Mountain. 1554 Comment
  CAS-BOT-BC256119  Eriogonum deflexum var. deflexum Roxana S. Ferris 1918-6-19 1014 Riverside Along Colorado River 7 miles south of Palo Verde Comment
  UC667354  Eriogonum deflexum var. deflexum Annie M. Alexander and Louise Kellogg 1941-5-15 2187 Riverside n base of Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  UC849362  Eriogonum deflexum var. deflexum C. L. Hitchcock 1940-3-30 5875 Riverside Cottonwood Spring Comment
  RSA346255  Eriogonum elongatum Robert F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54061 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  UCR141244  Eriogonum elongatum A. C. Sanders, Mike Misenhelter 2004-10-6 28828 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  UC66492  Eriogonum elongatum var. elongatum E. A. Zumbro 1904-1 429 Riverside Cold Water Canyon Santa Ana Mts., Cold Water Canyon Comment
  CLARK-A1528-738  Eriogonum fasciculatum C. M. Flanagan 1973-5-31 OO 629 Riverside Morongo Indian Reservation 0 Comment
  CAS-BOT-BC249900  Eriogonum fasciculatum var. flavoviride Annie M. Alexander; Louise Kellogg 1941-5-15 2190 Riverside Colorado Desert. North base of Eagle Mountains 914 Comment
  RSA766511  Eriogonum fasciculatum var. flavoviride Lawrence Saylor 1935-3-24 207 Riverside Cottonwood Springs. Comment
  UC219156  Eriogonum fasciculatum var. foliolosum P. A. Munz, R. D. Harwood 1920-2-28 3257 Riverside 3 mi w Corona 335 Comment
  UC75787  Eriogonum fasciculatum var. foliolosum Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR141248  Eriogonum fasciculatum var. foliolosum A. C. Sanders, Kelly Volansky 2004-10-6 28816 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  RSA296187  Eriogonum fasciculatum var. polifolium Barry A. Prigge 1980-8-5 3825 Riverside Whitewater Canyon, 0.5 miles N of trout farm 701 Comment
  RSA297345  Eriogonum fasciculatum var. polifolium Larry E. DeBuhr 1977-2-20 2556 Riverside 1 mile below the Palm Springs Tramway Station, upper canyon on east side of Mt. San Jacinto. Comment
  RSA766107  Eriogonum fasciculatum var. polifolium Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs. Comment
  UC56798  Eriogonum gracile E. A. Zumbo Oct, 1902 364 Riverside Riverside Comment
  UCR154460  Eriogonum gracile Jason L. Hlebakos 2005-5-30 801 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
  RSA33368  Eriogonum gracile var. gracile N. C. Cooper 1943-9-26 929 Riverside Cabazon. 610 Comment
  UCR144100  Eriogonum gracile var. gracile Scott D. White 1999-5-28 7434 Riverside Peninsular Ranges/Perris-Aguanga Basin region/Gavilan Hills, Gavilan Hills, c. 3 air mi SE of junction of Cajalco Rd. and Gavilan Rd.; east of Juniper Rd. between Blue Sky Dr. and Celestial Dr 689 Comment
  SEINET9337752  Eriogonum gracillimum Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  CHSC1321  Eriogonum inflatum V. Holt 1935-4-15 Riverside Thousand Palms. Comment
  SBBG132  Eriogonum inflatum var. inflatum R. Hoffmann 1928-10-21 Riverside Whitewater Comment
  SBBG64001  Eriogonum inflatum var. inflatum R. Hoffmann 1928-10-21 Riverside Whitewater Comment
  CAS-BOT-BC263119  Eriogonum maculatum Peter H. Raven 1958-5-18 12989 Riverside Pinon [Pinyon] Flats, San Jacinto Mountains Comment
  CAS-BOT-BC270594  Eriogonum molestum Mary F. Spencer 1919-7-1 1375 Riverside Idylewild, San Jacinto Mountains 1615 Comment
  UCR281911  Eriogonum nidularium A. C. Sanders, Jim Malusa 2017-9-19 43343 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 3.35 km SW (214 deg. ) of Tabaseca Tank 693 Comment
  CLARK-A1528-3678  Eriogonum nudum Robin Kobaly 1977-8-26 Riverside Comment
  CAS-BOT-BC269777  Eriogonum nudum var. pauciflorum D. E. Breedlove 1961-8-4 937 Riverside Black Mtn Campground; NW side of Black Mtn, San Jacinto Mtns 2286 Comment
  CAS-BOT-BC269781  Eriogonum nudum var. pauciflorum F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  RSA339342  Eriogonum pusillum Robert F. Thorne, W. A. Tilforth 1980-5-28 54174 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  SD232303  Eriogonum pusillum Scott D. White, Michael Honer 2003-5-13 9244 Riverside San Bernardino Mtns: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  SD95171  Eriogonum pusillum Anne Harrison 1962-4-17 32 Riverside south side of State Highway 74, near Toro Peak Comment
  RSA0056350  Eriogonum pusillum A. Lee Haines 1974-4-8 s.n. Riverside North side of Orocopia Mountains. 396 Comment
  CAS-BOT-BC268553  Eriogonum saxatile Annie M. Alexander; Louise Kellogg 1941-4-23 2057 Riverside Morongo Valley Gorge 701 Comment
  RSA424916  Eriogonum saxatile E. C. Jaeger 1922-6-30 s.n. Riverside Tahquitz Peak, San Jacinto Mountains. 2652 Comment
  UC64563  Eriogonum saxatile H. M. Hall 729 Riverside San Jacinto Mountains 2438 Comment
  POM279991  Eriogonum thomasii Lyman Benson 1933-3-31 4196 Riverside Salton Sea-Imperial Co. line. 61 Comment
  SBBG81504  Eriogonum thomasii S. A. Junak 1983-3-23 1622 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  CAS-BOT-BC263535  Eriogonum thomasii Catherine A. Toschi 1963-4-10 63 :115 Riverside Boyd Desert Research Center 5 miles south of Palm Desert 304 Comment
  RSA522267  Eriogonum thurberi Steve Boyd, Dave Bramlet, Harry Spilman 1989-4-30 3513 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  SBBG65514  Eriogonum thurberi P. A. Munz, I. M. Johnston 1928-9-6 11278 Riverside Santa Ana River, Ontario-Corona Rd Comment
  SBBG65516  Eriogonum thurberi L. Rowntree 1929-5-15 Riverside Morongo Pass Comment
  RSA500569  Eriogonum thurberi Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3561 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA796471  Eriogonum trichopes Duncan S. Bell 2009-4-18 209 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UCR111231  Eriogonum trichopes S. G. Stokes 1933-4-9 51 Riverside Sonoran (Colorado) Desert, South of Palm Springs 244 Comment
  POM12412  Eriogonum wrightii var. membranaceum P. A. Munz 1922-9-6 6360 Riverside Near Dark Canyon. 1524 Comment
  UCR264084  Eriogonum wrightii var. membranaceum T. B. Salvato, Arlee Montalvo 2015-8-22 8231 Riverside San Jacinto Mountains, Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74 1418 Comment
  POM182206  Eriophyllum confertiflorum P. A. Munz 1932-4-24 12391 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  POM60099  Eriophyllum confertiflorum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA180331  Eriophyllum confertiflorum E. W. Lathrop 1965-4-26 5694 Riverside 4 miles southwest of Murrieta. Comment
  RSA494630  Eriophyllum confertiflorum Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  SEINET7073391  Eriophyllum confertiflorum A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR265827  Eriophyllum confertiflorum Mitch Provance 2012-5-24 512- 08 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  RSA757737  Eriophyllum confertiflorum var. confertiflorum LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4310 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
  UCR112977  Eriophyllum multicaule B. G. Pitzer 1998-3-1 3550 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCR174321  Eriophyllum multicaule A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32560 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
  UCSB19368  Eriophyllum wallacei Creighton, B. 1961-5-6 Riverside 7.9 miles south of Banning on Banning-Idyllwild road, about 25 miles east of Riverside 1158 Comment
  RSA613894  Erodium brachycarpum A. C. Sanders, Giles Waines, Ehdaie, Aryavand 1997-3-12 19842 Riverside Lower Rawson Canyon, along road NE of Skinner Lake. 457 Comment
  UCR114606  Erodium brachycarpum Mitch Provance 1999-3-5 1058 Riverside Jurupa Mountains, Extreme W end of the Jurupa Range, c. 0.6 miles west of pk. 1437. 335 Comment
  RSA0016048  Erythranthe cardinalis Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5015 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  RSA783164  Eschscholzia californica J. D. Olmsted 1958-3-29 82 Riverside Transition zone with interior drainage into Pinto Basin 15-20 mi. north of junction between Cottonwood pass and Cottonwood Spring Roads on the former mow become Pinto basin road, past Cholla cactus gardens, Joshua Tree National Monument 762 Comment
  SD140040  Eschscholzia californica Scott White 1993-4-22 1243 Riverside Nor Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  UCR241214  Eschscholzia californica Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 51 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon near woodland stand H-02 945 Comment
  GMDRC7790  Eschscholzia papastillii J. M. Andre 2015-3-6 33553 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  RSA0125281  Eschscholzia papastillii Duncan S. Bell 2016-3-4 8786 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
  RSA25313  Eschscholzia parishii C. L. Hitchcock 1940-3-29 5861 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  UC1093130  Eschscholzia parishii Richard Snow 1953-4-5 51 a Riverside Box Canyon Comment
  UCR192672  Eucalyptus camaldulensis Matt Ritter, Jenn Yost, A. C. Sanders 2007-10-18 322 Riverside University of California, Riverside; Botanic Garden 366 Comment
  CDA37515  Eucalyptus polyanthemos J. C. Lyman 1989-2-9 89 -3 Riverside Lakeview; Pressman property in the Bernasconi Hills, just south of the Ramona Expressway, south of Lake Perris and north of Nuevo. Behind the water tank near the Expressway. 0 Comment
  RSA0012826  Eucalyptus robusta Ed LaRue 1989-4-14 s.n. Riverside Old agricultural fields 0.5 mile S of Lakeview. 457 Comment
  RSA561814  Eucrypta chrysanthemifolia Steve Boyd 1992-4-14 6829 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  SEINET3091513 Image available Eucrypta chrysanthemifolia Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. Comment
  UCR121308  Eucrypta chrysanthemifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25012 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  UCR172223  Eucrypta chrysanthemifolia John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, unincorporated area along San Diego Aqueduct Corridor, 1 km due west of Skunk Hollow, between Nicholas Rd. and Borel Rd., east of Murrieta Hot Springs 421 Comment
  UCSB38662  Eucrypta chrysanthemifolia Cowan, Clark 1978-4-25 Riverside 6.7 mi (10.7 km) SW on 74 from jct w/ 71, 4.6 mi (7.3 km) from Lake Elsinore, Santa Ana Mts. Cleveland Natl. For.; Whittaker transect #W-229 Comment
  RSA716393  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White, Angelia Carey 2004-4-5 9982 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR242866  Euphorbia abramsiana Catherine MacGregor 2012-9-13 s.n. Riverside Sonoran (Colorado) Desert, west of Blythe, 1.55 km E of Wileys Well Rd., 2.73 km south of I-10, 3.7 km NE of state prison 127 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
  UCR103273  Euphorbia polycarpa B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3575 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR214906  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37678 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
  UCR240067  Euphorbia polycarpa A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40503 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  SD83592  Euphorbia polycarpa var. hirtella R. Mitchel Beauchamp 1970-11-15 1391 Riverside 7 miles east of Mecca in sandy areas 89 Comment
  UCR17653  Euphorbia polycarpa var. polycarpa Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  UCD142820  Euphorbia serpillifolia E. W. Lathrop; R. F. Thorne 1967-9-26 6642 Riverside 6 mi. NW of Murrieta. Comment
  UCD142855  Euphorbia setiloba Geoffrey Levin 1976-10-17 1168 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills Mountain Range. 91 Comment
  SD186235  Eustoma exaltatum G. R. Ballmer 2003-11-22 Riverside Northern Paloverde Valley, east of Highway 95, ca. 5.0 miles northeast of Blythe. 86 Comment
  SEINET8584421  Eustoma exaltatum G. R. Hall 1905-9-3 s.n. Riverside Riverside. Comment
  POM320335  Euthamia occidentalis Patricia Wilder 1970-10-30 4827 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  UC1746488  Euthamia occidentalis Mitch Provance and S. D. Boyd 1999-9-14 1785 Riverside between Lake Evans and Santa Ana R. Spring Brook; Riverside 237 Comment
  CLARK-A1528-4429  Fagonia laevis John C. Roos 1949-5-5 4095 Riverside Orocopia Mountains Comment
  RSA0121045  Fagonia laevis Duncan S. Bell, LeRoy Gross 2016-3-29 9122 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA391189  Fagonia laevis Christopher Davidson 1979-4-4 7705 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  SEINET885157  Fagonia laevis A. C. Sanders, Pitzer, Charlton, Kniffen 1986-1 6100 Riverside Corn Spring, Chuckwalla Mountains, wash below the spring and wash and rocky to the south. 487 Comment
  UC2015539  Fagonia laevis A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15985 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCR167420  Festuca 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
  UCR114816  Festuca myuros Mitch Provance, Seychelle Provance 1998-2-21 99 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon. 396 Comment
  UCR279533  Festuca octoflora A. C. Sanders, Jim Malusa 2017-3-25 43014 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
  VVC2882  Festuca octoflora Tim Thomas, P. J. MacKay 2010-4-12 5029 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  CLARK-A1528-4666  Festuca pacifica John C. Roos 1938-3-20 726 Riverside Temescal Canyon Comment
  RSA629028  Ficus carica Scott D. White 1998-6-28 6793 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  UCR267284  Ficus microcarpa R. E. Riefner Jr. 2015-8-8 15- 217 Riverside City of Corona, Corona City Park, east side of Rimpau Ave. on north side of 6th St. 211 Comment
  RSA543851  Filago arizonica Steve Boyd, Orlando Mistretta 1991-5-22 6313 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR48371  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
  RSA314664  Filago californica R. F. Thorne, Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55488 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA341993  Filago californica R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54029 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 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
  RSA777285  Filago californica Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4991 -a 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
  UCR128562  Filago californica A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23907 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR258870  Filago californica T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7907 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UCR21171  Forestiera pubescens Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  LA26729  Fouquieria splendens William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  CAS-BOT-BC223695  Frankenia salina J. C. Roos 1965-6-30 s.n. Riverside Perris Comment
  SEINET6694603 Image available Fraxinus dipetala F. A. Thackery 1927-1 298 Riverside Banning Comment
  RSA614528  Fraxinus velutina A. C. Sanders 1994-10-6 1578 Riverside San Jacinto Mountains (N slope): Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west. 1128 Comment
  UC1979596  Fremontodendron californicum subsp. californicum D. L. Banks, Victor Steinmann 1995-7-10 0755 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, W of lower Arroyo Seco, SE of Wildhorse Peak. Along the drainage S of the peak Agua. Comment
  UC219316  Fremontodendron californicum subsp. californicum P. A. Munz 1922-6-24 5805 Riverside San Jacinto Mountains, Hemet Valley, Pipe Creek Pipe Creek; San Jacinto Mountains, Hemet Valley, Pipe Creek 1584 Comment
  UC3627  Fritillaria biflora H. M. Hall Apr. 1897 384 Riverside Winchester; Southern California, Winchester Comment
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Mar 20 2011
  HSC87133  Funastrum hirtellum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2099 Riverside N end Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  RSA70347  Funastrum hirtellum F. W. Peirson 1927-4-12 7160 Riverside Painted Canyon, near Mecca Comment
  SEINET10496383  Funastrum hirtellum A. Evans 1976-4-13 Evans 5178 Riverside Desert canyons of Santa Rosa Mts. Comment
  CAS-BOT-BC223033  Galium angustifolium B. Pitzer 1997-3-23 2955 Riverside Lakeview Mtns, ca. 1 air mi. SSW of Mt. Rudolph, along powerline rd .3 mi. E of Contour (Juniper Flats) Rd. 610 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
  POM367762  Galium aparine Robert Gustafson 1985-5-20 3115 Riverside San Jacinto Mtns., R-1, between Lake Fulmar and Allandale. Comment
  RSA701504  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot 2004-7-7 1298 Riverside Along Chimeny Flats Road (5S06) near intersection with Red Hill Road (5S10), on the way to Alvin Meadows. 1463 Comment
  RSA701506  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot 2004-7-8 1301 Riverside On Chimney Flats Road (5S06) near intersection of 5S04 (the road to Alvin Meadows). 1524 Comment
  UCR272502  Galium murale Mitch Provance 2012-4-20 612- 59 Riverside San Gorgonio Pass, Banning, borderline with Beaumont, Walgreens parking lot on Highland Springs Ave. and W. Ramsey St. 790 Comment
  POM367819  Galium stellatum M. B. Dunkle 1937-3-25 4928 Riverside Colorado Desert. Shaver's Well Comment
  POM9333  Galium stellatum Mary F. Spencer 1920-3-27 745 Riverside Palm Springs. 122 Comment
  UC537212  Galium trifidum var. pusillum M. E. Jones Sept. 1933 Riverside San Jacinto Peak Comment
  UCR120903  Gamochaeta pensylvanica A. C. Sanders 2002-3-20 24895 Riverside Sonoran (Colorado) Desert, Coachella Valley, city of Palm Springs, around offices of Agua Caliente Band of Cahuilla Indians, 650 E Tahquitz Canyon Way at Calle El Segundo 137 Comment
  POM265812  Gayophytum diffusum subsp. parviflorum J. C. Roos 1937-8-18 2529 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  POM358679  Geraea canescens M. B. Dunkle 1935-4-17 4553 Riverside W. of Wiley Well. Colorado Desert. Comment
  RSA0118600  Geraea canescens Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7639 Riverside Mecca Hills: Meccacopia Trail just east of Shaver's Well. Eastern Mecca Hills, south edge of Shaver's Valley, just west of Orocopia Mountains, east of Box Canyon, east-northeast of Mecca. 301 Comment
  RSA778247  Geraea canescens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 933 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SD227745  Geraea canescens Scott D. White, Pam Devries 1998-2-9 6071 Riverside Coachella Valley. La Quinta / Palm Desert Area; Whitewater River Channel at and near Miles Ave. crossing. 29 Comment
  SEINET3132384  Geraea canescens S. B. Parish 1907-4-19 6079 Riverside W borders of Colorado desert 150 Comment
  SFV17346  Geraea canescens J. D. Dilley, J. N. Hogue 1998-4-24 281 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash on Corn Springs Road, 1 mile southwest of Interstate Highway 10. 274 Comment
  SD262343  Gilia angelensis Mitch Provance, Jeramiah George, Matt K. Beyers, John Hazlett 2017-3-27 317 75 Riverside Temescal Valley: North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. (Alberhill 7.5'Q) 392 Comment
  SDSU3067  Gilia angelensis W. E. Rehlaender 1983-4-22 91 Riverside Riverside; NE rim of Sycamore Canyon, about 1 mile SW of Highway 60 and 2 1/2 mile SSE of UCR campus. Comment
  UCR241837  Gilia angelensis A. C. Sanders, Timothy W. Chumley 2013-4-2 40738 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCR251707  Gilia angelensis T. B. Salvato 2014-4-9 7832 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  VVC375  Gilia australis A. C. Sanders, J. Mac 1997-5-4 20650 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  UCR114630  Gilia capitata 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
  RSA470271  Gilia capitata subsp. abrotanifolia N. C. Cooper 1944-6-17 1430 Riverside San Jacinto Mountain. West side. 1372 Comment
  RSA586861  Gilia diegensis D. L. Banks, S. D. Boyd 1995-5-3 0280 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
  UC908484  Gilia diegensis Herbert L. Mason 1928-3-11 4252 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UCR18184  Gilia diegensis A. C. Sanders 1978-4-30 493 Riverside Santa Rosa Mtns, Pinyon Flats area, shoulder of Hwy 74 between Nightingale[Pinyon Pines] and Ribbonwood [Spring Crest] 1280 Comment
  UCR70892  Gilia diegensis Steve Boyd, D. E. Bramlet 1990-4-29 4513 Riverside Peninsular Range, Vail Lake area, benches along Kolb Creek, west of Dripping Springs, N and south of Hwy 79. 488 Comment
  SEINET7063564  Gilia leptomeria A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  CAS-BOT-BC407614  Gilia ochroleuca subsp. exilis A. C. Sanders 1994-5-29 14567 Riverside San Bernardino Mountains: lower Millard Canyon, at first stream crossing on FS Road 2S05. 850 Comment
  JEPS4120  Gilia ochroleuca subsp. exilis W. L. Jepson 1903-8-5 2261 Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  RSA0014947  Gilia ochroleuca subsp. exilis LeRoy Gross, Evan Meyer 2013-5-21 6112 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
  UCR193265  Gilia ochroleuca subsp. exilis A. C. Sanders, Tim Thomas 2008-6-20 35526 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  SEINET7048157  Gilia ochroleuca subsp. exilis Steven R. Hill 2001-5-3 33658 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UCR51965  Gilia scopulorum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2157 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  UCR179203  Gilia splendens Tracy Tennant, J. Ross, G. White 1998-5-21 MOR- 247 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  RSA0121065  Gilia stellata Duncan S. Bell, Thomas Stoughton 2016-3-15 8931 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  RSA299418  Gilia stellata Marjorie D. Clary 1932-3-2 1623 Riverside Bajada, west of Coral Reef Ranch, 8 miles southwest of Coachella 91 Comment
  SJSU8425  Gilia stellata G. B. Youngberg 1956-3-28 199 Riverside Palm Canyon near Palm Springs 137 Comment
  UCD117897  Gilia stellata Raymond A. Evans 1949-11-10 s.n. Riverside Canyon west of White Water Canyon, north of Palm Springs. Comment
  UCD117903  Gilia stellata Robert F. Thorne 1963-3-29 32415 Riverside 9 miles east of Mecca, Mecca Hills. 152 Comment
  RSA585521  Githopsis diffusa subsp. candida D. L. Banks, S. D. Boyd 1995-5-9 0386 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  JEPS34073  Gnaphalium palustre Carl V. Meyer 1928-7-27 562 Riverside moist open floor of Round Valley San Jacinto Mountains, Round Valley 2743 Comment
  RSA388322  Gnaphalium palustre Steve Boyd 1986-5-7 1845 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  UC219266  Gnaphalium palustre P. A. Munz and I. M. Johnston 1922-5-19 5371 Riverside Menifee Valley Southern California, Menifee Valley 411 Comment
  UC896945  Gnaphalium palustre P. A. Munz 1922-9-6 6375 Riverside Hidden Lake San Jacinto Mts., Hidden Lake 2438 Comment
  UCR174347  Gnaphalium palustre A. C. Sanders 2006-5-19 32402 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR266605  Gnaphalium palustre Mitch Provance 2011-6-6 17004 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., east to Old 215 Frontage Rd. 466 Comment
  UCR88566  Gnaphalium palustre A. C. Sanders, J. C. Lyman 1995-4-16 16567 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  SEINET3090328 Image available Grayia spinosa P. A. Rauch 1966-4-16 Riverside Entrance to Titus Canyon Road (off Nevada State Hwy. 58 between Beatty, Nev. - Death Valley Nat'l Mon't, Calif.) Comment
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Aug 3 2013
  UCR58500  Grindelia camporum Ed LaRue 1989-7-26 s.n. Riverside Santa Ana Mtns.; Santa Rosa Plateau, c. 0.5 mi south of Redonda Mesa, surrounded by El Cerezo Rd; Corona Cala Camino is the E boundary 762 Comment
  RSA162744  Guillenia lasiophylla John Olmsted 1958-3-29 69 Riverside Transiton zone with NE drainage towards the Pinto Basin. Near intersection of Cottonwood Pass and Cottonwood Spring roads, 8 miles N of Souther entrance to Joshua Tree National Monument. 915 Comment
  RSA778251  Guillenia lasiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 918 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  CAS-BOT-BC304641  Gutierrezia californica Winfield 1975-4-9 2411 Riverside Sugarloaf Mt - Riverside Comment
  RSA0094893  Gutierrezia californica A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41736 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 400 Comment
  UCR104175  Gutierrezia californica Scott D. White 1997-5-25 5246 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  CAS-BOT-BC302145  Gutierrezia sarothrae Lewis S. Rose 1936-12-24 36816 Riverside San Jacinto Mts. Palms to Pines Highway, 24 mi. SW. of Indio 1066 Comment
  POM359227  Gutierrezia sarothrae N. C. Cooper 1943-9-11 912 Riverside Below Idlewild. 915 Comment
  RSA318860  Gutierrezia sarothrae M. A. Lane 1982-10-13 s.n Riverside 34.5 km/21.6 miles E of Kern Cam summit of the San Jacinto Mtns on Hwy 74. 1220 Comment
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Jul 14 2013
  UCR197062  Haplopappus menziesii A. C. Sanders, D. L. Sanders 2008-9-27 36101 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  SEINET3242788 Image available Harpagonella palmeri Steve Boyd 1986-1 1384 Riverside Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area. 427 Comment
  UC1979626  Hazardia squarrosa var. grindelioides D. L. Banks, Steve Boyd 1995-10-17 0787 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. Comment
  UCR262278  Hedypnois cretica A. C. Sanders 2006-5-13 32286 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  POM320308  Helianthemum scoparium var. scoparium Worthman 1968-5-16 156 Riverside 6.7 mi. west of Murietta. 244 Comment
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Jun 16 2013
  RSA543143  Helianthus annuus subsp. lenticularis Steve Boyd 1991-3-17 5499 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
  RSA754131  Helianthus californicus W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-9-4 18 Riverside Idyllwild: In a dry creek bed. Comment
  CLARK-A1656-788  Helianthus niveus subsp. canescens Jon Mark Stewart 1982-4-14 Riverside Palm Desert 60 Comment
  CSUSB740  Heliotropium curassavicum Heather Hanson 1966-5-16 Riverside 50 yards east of where the Santa Ana River crosses Van Buren Blvd., in the river bottom. 182 Comment
  RSA764878  Heliotropium curassavicum Justin M. Wood 2010-9-8 2597 Riverside San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  RSA544427  Heliotropium curassavicum var. oculatum Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6332 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  SBBG63442  Heliotropium curassavicum var. oculatum M. N. Ackley 1928-3-31 61 Riverside near Mecca -60 Comment
  UCR13401  Heliotropium curassavicum var. oculatum William A. Hunt 1972-5-19 720519- 2 Riverside Upper Santa Ana River/San Bernardino Valley Region, west edge of UCR campus, behind Bannockburn, between Canyon Crest Dr. and 60 Fwy 305 Comment
  RSA656546  Hemizonia fasciculata A. C. Sanders 2000-5-25 23412 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
  UCR174445  Hemizonia fasciculata A. C. Sanders 2006-5-19 32411 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR121895  Hemizonia kelloggii Ian G. Gillespie 2001-5-7 85 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  UCR275199  Hemizonia kelloggii T. B. Salvato, Gregg Miller 2005-6-7 1453 Riverside Peninsular Range, Gavilan Hills, along dirt road E of Lindell (Stovepipe) Road, W of El Toro Road, and ca 4.5 mi NW of Lake Elsinore 671 Comment
  RSA644391B  Hemizonia paniculata Steve Boyd 1991-5-30 6319 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  UCR187504  Hemizonia paniculata Theresa Johnson 2006-9-27 286 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Tenaja Road west of Squaw Mountain, c. 1 mile NW of Tenaja Guard Station 598 Comment
  UCR219986  Hemizonia paniculata A. C. Sanders, D. L. Sanders 2010-11-28 38698 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  UCR181160  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2005-8-28 05- 648 Riverside Peninsular Range, SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
  RSA0008431  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-6-20 2048 Riverside Perris Valley storm drain, 200 m E. of the Escondido freeway (215) and 350 m N. of Ellis Ave. 470 Comment
  RSA48416  Hesperocallis undulata E. K. Balls 1949-4-2 12901 Riverside North of Mecca, Highway 111, Colorado Desert. -58 Comment
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Jul 16 2015
  UCSB17406  Hesperoyucca whipplei Barrick, Linda 1963-5-4 Riverside South side of Banning-Idyllwild Road, 4 miles S of U.S. Highway 60, 70, 99 762 Comment
  SDSU1699  Heterotheca sessiliflora F. Young Berg 1933-8-28 1547 Riverside Idyllwild, San Jacinto Mts. Comment
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Mar 10 2014
  RSA471607  Heterotheca sessiliflora subsp. echioides Albert J. Perkins 1916-9-4 s.n. Riverside Idyllwild. Comment
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Mar 21 2011
  RSA515200  Hibiscus denudatus Steve Boyd, Orlando Mistretta 1986-3-13 1474 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  RSA775661  Hibiscus denudatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 806 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  SBBG71436  Hibiscus denudatus M. N. Ackley 1928-4-3 709 Riverside Clarys Cyn, Coral Reef Ranch 152 Comment
  UC170160  Hibiscus denudatus E. E. Schellenger 1894-12-2 106 Riverside Chuckawalla Wash, Colorado Desert Comment
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Sep 15 2016
  SEINET3011912 Image available Hilaria rigida A. C. Sanders 2010-3-23 37544 Riverside Sonoran (Colorado ) Desert; Chuckwalla Valley, at SW foot of Palen Mountains (Sidewinder 7.5' Q.). 130 Comment
  HSC93853  Hirschfeldia incana Scott D. White 1996-4-14 3906 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  RSA550342  Hoffmannseggia glauca Walter Wisura, John Dolan, Michael Wall 1992-2-25 4646 Riverside Ford dry lake N of I-10 at Hopkins Well. Comment
  CAS-BOT-BC206101  Hoffmannseggia microphylla John Thomas Howell 1928-3-25 3543 Riverside Rocky walls of Painted Canyon [Canon], Colorado Desert Comment
  CAS-BOT-BC206379  Hoffmannseggia microphylla Alan Prather; Alice Hempel 1993-5-16 1346 Riverside Along I-10, 20.1 km E of Coachella, at the rest stop for the westbound lanes. Desert wash along the interstate. 400 Comment
  CAS-BOT-BC206380  Hoffmannseggia microphylla P. C. Everett; N. F. Lolonis 1963-5-3 24492 Riverside SE. corner of Colima & Obregon Sts., La Quinta, western edge of Colorado Desert 91 Comment
  RSA698741  Hoffmannseggia microphylla W. Marquart 1938-3-12 s.n. Riverside 15 mi. W of Blythe. Comment
  RSA263699  Hoita macrostachya E. W. Lathrop 1975-3-7 7448 Riverside Mesa de Burro, 3 miles west of Murrieta, Santa Rosa Plateau. De Luz Canyon. 610 Comment
  UCR141246  Holocarpha virgata subsp. elongata A. C. Sanders, Mike Misenhelter 2004-10-6 28826 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  RSA0034422  Holodiscus microphyllus M. B. Dunkle 1933-7-19 3690 Riverside Tahquitz Peak. 2683 Comment
  UCR99327  Hordeum intercedens D. E. Bramlet 1996-4-18 2455 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife area, c. 762 m NE of Lakeview, 122 m east of Davis Rd. and 40 m north of Marvin Rd 434 Comment
  UCR136257  Hordeum marinum A. C. Sanders 2004-4-20 27564 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  RSA45205  Hordeum marinum subsp. gussoneanum J. C. Roos, Lucille Roos 1949-5-21 4318 Riverside Temecula. 304 Comment
  RSA0063031  Hordeum marinum subsp. gussoneanum Andrew Haimov, April Sleigh 1992-5-10 85 Riverside San Jacinto Wildlife Area next to reclaimed water storage area, approximately 1 1/2 miles east of Davis Road. Comment
  UC34042  Hordeum murinum subsp. glaucum H. M. Hall 1901-6-19 2176 Riverside head Hemet Lake (Thomas Ranch, San Jacinto Mountain); San Jacinto Mt., head Hemet Lake, Thomas Ranch Comment
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Mar 25 2011
  POM352475  Hordeum murinum subsp. leporinum Mark Morris 1929-3-3 s.n. Riverside Indian Canyon Comment
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Nov 9 2011
  RSA575990  Hordeum murinum subsp. leporinum Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills Region, Gavilan Plateau along Lake Mathews Road, south of Gavilan Peak. 640 Comment
  RSA0018951  Horkelia clevelandii H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  UCR174620  Horkelia cuneata Jennifer H. Jones 2006-6-6 389 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  SEINET5325105 Image available Hulsea vestita subsp. callicarpha D. H. Wilken 1969-6-30 7844 Riverside Riverside County Road R1, near Black Mtn. Junction, 8.6 mi N of Idyllwild, San Jacinto Mtns 1524 Comment
  RSA335008  Hydrocotyle ranunculoides Steve Boyd 1985-8-7 1107 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
  UCD128233  Hydrocotyle ranunculoides A. C. Sanders; O. F. Clarke 1991-6-10 11120 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA650972  Hymenoclea salsola D. Geisinger, E. Baldwin 1959-3-23 s.n. Riverside Palm Springs. Comment
  JOTR30090  Hymenoclea salsola var. salsola La Doux, Tasha, Alice Miller 2007-5-8 1735 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common. 1385 Comment
  JOTR30095  Hymenoclea salsola var. salsola La Doux, Tasha, Alice Miller 2007-5-8 1735 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common. 1385 Comment
  UC489081  Hypericum anagalloides C. V. Meyer 1928-7-26 532 Riverside w. slope San Jacinto Mt. 2438 Comment
  CAS-BOT-BC219730  Hyptis emoryi Nancy Ryan Zabriskie 1970-4-27 284 Riverside Outside inner gate of Andreas Canyon Club, near Palm Springs 7 Comment
  LA61824  Hyptis emoryi Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside Box Canyon Comment
  PASA1155  Hyptis emoryi M. Stason, F. Brubaker 4/28 Riverside Desert wash - Hidden Springs Comment
  RSA0069675  Hyptis emoryi Cheryl Sevilla, Sarah J. De Groot, Duncan S. Bell 2015-2-10 3 Riverside In the Bear Creek drainage of the Santa Rosa Mountains. 2.3 air miles west of Lake Cahuilla; south of La Quinta; north of Devil Canyon; southwest of Coachella Valley. 193 Comment
  UCR52026  Hyptis emoryi Steve Boyd, S. Meury, , Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2102 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UC382611  Isocoma acradenia var. acradenia David D. Keck 1926-9-30 263 Riverside near Riverside; Summit of Box Springs Grade Comment
  OBI16008  Isocoma acradenia var. eremophila Louis C. Wheeler 1931-11-27 375 Riverside 5 me SE Mecca, Coorado Desert 61 Comment
  CDA32704  Isocoma menziesii var. vernonioides Mike Lahti 2009-9-29 PDR# 1501830 Riverside In the vicinity of Temecula. Found 1 mile south of Auld Road on Pourroy Road at Tucalota Creek. 0 Comment
  CDA32720  Isocoma menziesii var. vernonioides Mike Lahti 2009-10-13 PDR# 1501839 Riverside Hemet. Found off Deportola Road on Colt Road. 0 Comment
  UC1088554  Isomeris arborea Peter H. Raven 1958-1-23 10409 Riverside 2.7 mi w Whitewater Post Office Comment
  SD234314  Iva axillaris A. C. Sanders 2006-5-11 32264 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr. NE of Alberhill Crk., NW of Enterprise Way. 388 Comment
  UCR234279  Iva axillaris A. C. Sanders, T. B. Salvato 2012-4-27 40096 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, c. 500 m SE of El Hermano Rd. 325 Comment
  UC2062455  Ivesia callida Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-6 7433 Riverside S side Tahquitz Peak, San Jacinto Mountains. Comment
  RSA597055  Jepsonia parryi D. L. Banks, Lauren Raz 1996-11-5 1162 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; E of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34. 390 Comment
  UCD110248  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
  CAS-BOT-BC133230  Juglans californica D. E. Bramlet 2003-5-28 3454 Riverside San Gorgonio wash, along dirt road to MWD tailings site. The site is 1768m south of Cabazon, and 762m north of the Colorado aqueduct 535 Comment
  UCR114749  Juglans californica A. C. Sanders, K. C. Rose 1999-6-18 22803 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  UCR280822  Juncus bufonius T. B. Salvato, Gregg Miller 2005-6-3 1368 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  POM48885  Juncus duranii Phillip A. Munz 1924-7-27 8741 Riverside Deer Springs 2470 Comment
  RSA719775  Juncus duranii Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1775 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UC489047  Juncus effusus subsp. austrocalifornicus C. V. Meyer 1928-7-30 582 Riverside Saunders Meadow San Jacinto Mts. 1676 Comment
  RSA675699  Juncus mexicanus Scott D. White 2001-5-1 8435 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  UC842785  Juncus saximontanus P. A. Munz 1922-6-30 5902 Riverside Santa Rosa 1981 Comment
  SEINET1906761  Juncus textilis Scott D. White, R. Jonson 1995-1 3794 Riverside San Bernardino Mtns: Sycamore Canyon, ca 1.3 air mi W-NW of ''Inspiration Point'' on Hwy 18; ca. 1.1 air mi S of Marshall Peak. 610 Comment
  RSA33306  Juniperus californica N. C. Cooper 1943-9-11 911 Riverside Palms to Pines Hwy. 1219 Comment
  RSA697386  Juniperus californica W. Blanchard 1932-11-11 s.n. Riverside About 3 mi. S. of Palm Springs Station. Comment
  UCR60710  Juniperus californica John F. Emmel 1976-3-17 542 Riverside Southern Mojave Desert, canyon 0.8 air mi north of peak 4353, NE slope of Granite Mtns, WSW of Rice. 976 Comment
  CHSC90  Justicia californica V. Holt 1935-4-1 Riverside Near Palm Springs. 304 Comment
  RSA82009  Justicia californica F. W. Peirson 1916-04 1172 Riverside abundant about mouth of Tahquitz Canyon, Palm Springs. Comment
  POM182204  Keckiella antirrhinoides Philip A. Munz 1932-4-24 12389 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  SDSU10661  Keckiella antirrhinoides H. Wedberg 1962-4-20 899 Riverside 8.4 miles from Hwy 79 in Hemet, and 0.5 mile from Cranston ranger Station , on road to Idyllwild. 610 Comment
  LA98032  Keckiella antirrhinoides var. antirrhinoides Elizabeth McClintock; 1936-7-27 sn Riverside San Jacinto Mts., Near Tahquitz Peak Comment
  UC1518630  Keckiella antirrhinoides var. antirrhinoides Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55474 Riverside ca 3.3 mi n Whitewater Post Office (side-canyon on w side of Whitewater Canyon); San Bernardino Mts., Whitewater Canyon 594 Comment
  RSA396457  Koeleria macrantha Dave Kelly, Walter Wisura 1987-6-19 4166 Riverside 7.3 miles from Highway 74 along Thomas Mountain Road, S of Lake Hemet Comment
  UCD86077  Koeleria macrantha F. M. Reed 1906-6-16 1073 Riverside Vicinity of Riverside, City Creek Grate. 1463 Comment
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May 1 2011
  JOTR32436  Krameria grayi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2258 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  RSA408602  Krameria grayi Jack Rempel 1932-11-13 16121 Riverside 6 miles up Palm Wash Comment
  RSA408610  Krameria grayi Ora M. Clark 1929-3-17 1751 Riverside S. La Quinta, Cali. Comment
  RSA795938  Krameria grayi Duncan S. Bell 2009-4-18 258 Riverside Arica Mountains: southeast side of range, approximately 0.5 air mile southwest of Priests Well. 311 Comment
  RSA589083  Lactuca serriola D. L. Banks, S. D. Boyd 1995-10-17 0794 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
  UC1108982  Lamarckia aurea H. E. and S. T. Parks March, 1947 Riverside Santa Rosa Canyon near Indio; Santa Rosa Canyon Comment
  RSA179516  Lamarckia aurea E. W. Lathrop 1964-5-10 5364 Riverside 10 miles west of Murrieta. 610 Comment
  JOTR16797  Langloisia setosissima subsp. punctata Dengler, A. 1966-3-31 38 Riverside Joshua Tree National Park. OLD DALE 609 Comment
  UC700954  Langloisia setosissima subsp. setosissima Aven and Ruth Nelson 1939-3-29 3323 Riverside ner the Palm grove Hidden Springs Comment
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Apr 17 2011
  UC909089  Langloisia setosissima subsp. setosissima Herbert L. Mason 1928-3-10 4204 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  CAS-BOT-BC166025  Larrea tridentata Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC170703  Larrea tridentata Mrs. E. C. Van Dyke 1928-1-1 s.n. Riverside Coachella Comment
  JEPS83151  Larrea tridentata R. P. Allen 1935-3-22 188 Riverside Garnet Comment
  RSA0118589  Larrea tridentata Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7654 Riverside Mecca Hills: mouth of Painted Canyon, southwest side of Mecca Hills, northeast of Mecca, west of Box Canyon, northeast of Coachella Canal, northeast of powerline, near mouth of Skeleton Canyon. 52 Comment
  RSA1201  Larrea tridentata B. D. Stark 1930-4-1 1494 Riverside San Gorgonio Pass. 457 Comment
  UCR196381  Larrea tridentata Naomi Fraga, Lisa Rojas 2005-2-10 1373 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR251960  Larrea tridentata Max Brodie 2014-4-6 04 Riverside San Bernardini Mtns./Sonoran (Colorado) Desert, Whitewater Canyon off Whitewater Canyon Rd., along Whitewater River near town of Bonnie Bell, c. 2 miles north of Hwy I-10 488 Comment
  UCR41272  Larrea tridentata B. G. Pitzer 1986-2-9 9 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  CAS-BOT-BC338918  Lasthenia californica Richard W. Holm 1955-4-24 55 1 A Riverside Valley 2 miles south of Hurkey Creek Camp Ground, Route 74, SE of Hemet Comment
  CLARK-A1528-254  Lasthenia chrysostoma unknown 1952-4-13 Riverside Jurupa Hills Comment
  UCR202227  Lasthenia gracilis 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
  CSUSB1275  Lathyrus laetiflorus Carole Sims 1965-3-14 Riverside Roadside, 2-3 miles east of Temecula toward Vail Ranch. 335 Comment
  SD143907  Lathyrus vestitus Scott D. White 1994-4-23 Riverside Millard canyon, ca. 8 airmiles north of Cabazon, USFS Road 2S05.2, ca. 0.3 miles south of junction 2S05.2 & 2S05B, ca. 1.7 miles south of deer Spring & 1 mile SW of Bear Wallow Spring; USGS San Gorgonio Mountain 7.5' quad. 1310 Comment
  SD255728  Lathyrus vestitus Mitch Provance 2012-5-24 512 14 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. (Beaumont 7.5'Q) 868 Comment
  RSA488923  Lathyrus vestitus subsp. laetiflorus Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  SDSU14267  Lathyrus vestitus var. alefeldii Ryan Jacobson, Jeremy Mass 2000-4-19 8 Riverside Santa Margarita Ecological Reserve. Near west bank of Stone Creek, about 1 mile north east of south-side facility. 177 Comment
  RSA126657  Layia glandulosa Peter H. Raven 1958-5-18 12968 Riverside 2.3 miles from Mountain Center on road to Hemet, San Jacinto Mountains. Comment
  JOTR01271  Layia glandulosa Cole, James E. 1941-3-30 455 Riverside Joshua Tree National Park. COTTONWOOD SPRING WASH 762 Comment
  HSC5906  Layia platyglossa C. L. Hitchcock, C. V. Muhlick 1964-3-17 23095 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  RSA660653  Layia platyglossa Giancarlo Massarotto 1981-4-11 31 Riverside Calico Road 11 miles east of Corona land mark. 200 yards S. of the road on hills SE of S Mathews Lake. 610 Comment
  UCR225577  Layia platyglossa A. C. Sanders, T. B. Salvato 2011-3-29 38874 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  RSA12917  Layia platyglossa subsp. campestris C. B. Wolf 1935-4-7 6307 Riverside 2 mi. SW of Perris. 427 Comment
  UCR79070  Leersia oryzoides A. C. Sanders 1993-10-29 14216 Riverside Spring Brook just below Lake Evans in Fairmont Park, Riverside 238 Comment
  RSA741419  Lemna gibba Justin M. Wood 2008-12-2 256 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  RSA192135B  Lemna minuta E. W. Lathrop 1965-3-30 5608 -B Riverside 12 miles west of Murrieta. Comment
  RSA600181  Lepidium fremontii L. C. Wheeler 1959-12-27 7649 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  SBBG100414  Lepidium fremontii W. L. Halvorson 1977-3-8 77 -74 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  RSA717468  Lepidium lasiocarpum Scott D. White, Andrea Warniment 2006-3-22 11265 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  UC68542  Lepidium lasiocarpum var. lasiocarpum H. M. Hall Apr 1905 5879 Riverside Chuckawalla Mts. Colorado Mts. Comment
  UCR59232  Lepidium latifolium Jeri Hirshberg 1989-7-20 s.n. Riverside Peninsular Range, Diamond Valley, north of Newport Road 522 Comment
  UCR60563  Lepidium latifolium Don Mitchell 1990-1-3 s.n. Riverside Woodcrest, south of Van Buren and west of Washington Comment
  CAS-BOT-BC12903  Lepidium strictum A. C. Sanders 2001-3-17 23832 Riverside Upper Santa Ana River Basin. Riverside, Reid Park on Orange Street, in the northern part of town. East of North Main St. 253 Comment
  CAS-BOT-BC13021  Lepidium virginicum Lewis S. Rose 1957-1-3 57004 Riverside La Quinta. 15 Comment
  CAS-BOT-BC60108  Lepidium virginicum var. menziesii Geo. T. York 1936-7-30 s.n. Riverside Chino. Comment
  RSA524601  Lepidium virginicum var. robinsonii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3916 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  POM34470  Lepidospartum squamatum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UCR113551  Lepidospartum squamatum Mitch Provance, Juanita Provance, Seychelle Provance, Claude Provance 1999-4-4 1754 Riverside Riverside, Prenda area (locally known as Whitegates Hills), c. 0.5 miles west of pk 1659. 366 Comment
  UCR107736  Leptochloa uninervia John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR138674  Leptochloa uninervia Julie A. Greene 1993-4-3 1090 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Raised wet area west of dirt road. 445 Comment
  UCR211699  Leptochloa uninervia Fred M. Roberts, Michelle Balk 2006-8-24 6405 Riverside Upper San Jacinto Valley, Hemet, south side of Esplanade Rd. near intersection with Alabaster Rd., 0.3 km E of junction with Warren Rd. 452 Comment
  RSA524407  Leptosiphon androsaceus Steve Boyd 1990-4-3 4098 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
  POM364671  Leptosiphon floribundus Emery M. Whilton 1938-5-15 s.n. Riverside Taken between capistrano and Lake Elsinor. Comment
  POM3569  Leptosiphon floribundus subsp. glaber Robinson, Crocker 1916-3-28 s.n. Riverside Santa Ana Mountains. Comment
  UCR274211  Leptosiphon floribundus subsp. hallii Duncan S. Bell 2014-11-14 7704 Riverside Santa Rosa Mountains, Santa Rosa Mountain Wilderness area, west side of Martinez Mountain, at meeting point of Horsethief Creek and the Cactus Spring Trail 1055 Comment
  UC1378940  Lesquerella tenella Reed C. Rollins 1967-4-17 6755 Riverside near Cottonwood Springs campground; Joshua Tree National Monument, near Cottonwood Springs campg Comment
  UC1979598  Lessingia filaginifolia var. filaginifolia D. L. Banks, Steve Boyd 1995-10-17 0763 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. Comment
  UCR278881  Lessingia glandulifera Mitch Provance 2012-7-17 712- 21 Riverside San Gorgonio Pass, City of Banning, along E. Lincoln St., vicinity of the Banning Substation, between Hargrave St. and San Gorgonio Ave. 698 Comment
  CAS-BOT-BC339370  Lessingia glandulifera var. glandulifera John F. Emmel 1970-9-24 328 Riverside Highway between Idyllwild and Mountain Center, San Jacinto Mts. 1524 Comment
  JEPS20573  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2909 Riverside at Idyllwild (Strawberry Valley, Mt. San Jacinto); Mt. San Jacinto, Strawberry Valley Comment
  RSA761687  Lessingia glandulifera var. glandulifera Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 703 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA179523  Leymus triticoides E. W. Lathrop 1960-6-6 4847 Riverside 14 miles W. of Murrieta. Comment
  RSA563876  Leymus triticoides A. C. Sanders 1993-5-12 14015 Riverside Hemet, W side of Warren road, 1/2 mile S of Florida Ave. (Hwy 74), between the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Road. 457 Comment
  RSA368915  Lilaea scilloides S. B. Parish 1890-03 s.n. Riverside Near Colton. Comment
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Sep 24 2016
  CAS-BOT-BC45841  Limnanthes gracilis var. parishii A. C. Sanders; Tim Thomas 2008-6-20 35537 Riverside Peninsular Range; San Jacinto Mtns.: May Valley near Fleming Ranch, north of Bonita Vista R. and east of Herkey Creek 1550 Comment
  RSA0039266  Limonium sinuatum A. C. Sanders 2014-4-23 41057 Riverside Temescal Valley at intersection of Concordia Ranch Rd. and Temescal Canyon Rd., near I-15 364 Comment
  UCR199668  Limonium sinuatum Scott D. White, Lynn Stafford 2007-7-5 11757 Riverside Chino Hills State Park, Santa Ana River floodplain just blow Prado Dam 137 Comment
  UCR250204  Limonium sinuatum A. C. Sanders 2014-4-23 41057 Riverside Peninsular Range, Temescal Valley at intersection of Concordia Ranch Rd. and Temescal Canyon Rd., near I-15 364 Comment
  CLARK-A1045-168  Linanthus androsaceus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5' Q Comment
  UCR1542  Linanthus androsaceus R. L. Irwin 1962-5-8 0066 Riverside on N. slope of hill behind the agriculture station at U.C.R 412 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
  RSA776237  Linanthus jonesii Duncan S. Bell 2010-3-20 605 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR19163  Linanthus liniflorus John C. Roos 1960-5-30 s.n. Riverside Peninsular Range/Santa Ana Mtns., ridge east of Sugarloaf [=Pleasants Peak] 1067 Comment
  RSA763404  Linanthus parviflorus Scott D. White, Angelia Carey 2004-4-5 9988 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR171910  Linaria canadensis 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
  RSA496571  Linaria canadensis var. texana Steve Myers 1988-2-24 s.n. Riverside Temescal Canyon, ca. 1/4 mi. W of intersection of Hwy I-15 and Indian Truck Trail. 381 Comment
  UCR51066  Linaria canadensis var. texana S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  UCR160776  Lithophragma A. C. Sanders 1998-3-11 21681 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR241490  Lithophragma Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 251 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  CAS-BOT-BC432278  Lithophragma affine Peter H. Raven 1958-5-17 12956 Riverside 7.4 miles SE of Banning on road to Idullwild, San Jacinto Mountains Comment
  RSA596528  Lobularia maritima D. L. Banks 1996-7-16 1131 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). 426 Comment
  RSA0040185  Loeseliastrum matthewsii Sarah J. De Groot, April Garbat 2013-3-27 6890 Riverside Along Highway 177 at the northwest foot of the Granite Mountains, south end of the Cadiz Valley. 396 Comment
  RSA796334  Loeseliastrum matthewsii Duncan S. Bell 2009-4-18 200 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  RSA796503  Loeseliastrum matthewsii J. Andre 2012-3-19 21359 Riverside Palen Valley; along Palen Pass Road (dirt), 1.2 miles east of Highway 177. 184 Comment
  HSC66545  Loeseliastrum schottii Christopher Davidson 1979-4-4 7702 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
  UCSB5126  Loeseliastrum schottii Kamb, Peter 1948-4-11 Riverside Aqueduct Road; 5 mi east of Garnet, Coachella Valley 304 Comment
  CAS-BOT-BC342106  Logfia arizonica Steve Boyd 1986-4-10 1642 Riverside Temescal Canyon: Along DePalma Road between Indian Truck Trail and Horsethief Canyon. 1.0 mi east of Indian Truck Trail Comment
  CAS-BOT-BC342259  Logfia filaginoides Lewis S. Rose 1937-4-9 37116 Riverside Palm Springs 137 Comment
  CAS-BOT-BC342261  Logfia filaginoides Ira L. Wiggins 1941-3-27 9702 A Riverside Slopes 4 miles north of Whitewater Comment
  SD137889  Logfia gallica Darin L. Banks, Steve Boyd 1995-5-9 334 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 730 Comment
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Apr 15 2009
  SDSU13923  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
  RSA595327  Lolium perenne D. L. Banks, Victor Steinmann 1996-4-20 0877 B Riverside Temecula, at Mobil Gasoline Station on Bedford Ct., approximately 0.1 miles E on Hwy 79 from I-15 off ramp. Collected in disturbed field and along wall of adjacent apartment complex, SE of the Gas Station. Comment
  POM1287  Lolium temulentum Geo R. Hall 1904-09 s.n. Riverside Riverside Comment
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Jun 3 2012
  RSA234069  Lolium temulentum R. F. Thorne, E. Lathrop 1969-5-19 37982 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  RSA585632  Lomatium dasycarpum subsp. dasycarpum D. L. Banks, S. D. Boyd 1995-3-15 67 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  UCR48488  Lomatium utriculatum Steve Boyd 1986-3-9 1381 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  UCR282416  Lonicera interrupta Mitch Provance 2009-7-1 709- 02 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  RSA234085  Lonicera subspicata var. denudata R. F. Thorne 1969-6-6 39325 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  RSA388333  Lonicera subspicata var. denudata Steve Boyd 1986-5-7 1831 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  SD229123  Lonicera subspicata var. denudata Dick Schwenkmeyer 2012-3-26 662 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UC15537  Lotus argyraeus H. M. Hall May 1899 1173 Riverside Coyote Canyon San Jacinto Mountains, El Toro Mt. 1524 Comment
  POM12751  Lotus crassifolius P. A. Munz 1922-7-7 6061 Riverside Fern Valley Comment
  RSA773129  Lotus hamatus Duncan S. Bell, Joy D. England 2010-6-7 1265 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 780 Comment
  UC1929706  Lotus hamatus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10499 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
  UCR1631  Lotus hamatus Leland R. Dykes 1962-5-8 97 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Road, c. 14 mi west of Palomar Road [=Washington Ave.] in Murrieta [probably 2-3 miles west of Tenaja Guard Station] Comment
  UCR228819  Lotus hamatus A. C. Sanders 2011-4-26 39330 Riverside Peninsular Range, Alberhill Mountain, south side near Nichols Rd., c. 350 m WNW (276 deg. ) of Nichols Rd. & Pierce St. intersection 395 Comment
  UCR199767  Lotus heermannii Scott D. White, Angelia Carey and Linda Archer 2004-8-5 10676 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  RSA726581  Lotus humistratus Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1426 Riverside Along Palen Road near Hwy 177. 170 Comment
  UCR20643  Lotus humistratus 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
  POM19606  Lotus nevadensis var. nevadensis Mary F. Spencer 1923-6-28 2192 Riverside Fern Valley, San Jacinto Mountains 1646 Comment
  UCR87861  Lotus oblongifolius Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  RSA90412  Lotus oblongifolius F. W. Peirson 1924-7-28 5018 Riverside Pine Flats Camp 1799 Comment
  SEINET3131508  Lotus oblongifolius var. oblongifolius F. M. Reed 1908-7-13 2550 Riverside Tahquiz Valley (?), San Jacinto Mts. Comment
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Jul 30 2013
  JEPS55820  Lotus rigidus L. M. Newlon 1922-4-4 460 Riverside Palm Canyon San Jacinto Mts. Comment
  RSA90306  Lotus rigidus F. W. Peirson 1919-4-14 712 Riverside Murray Canyon, near Palm Springs. Comment
  SFV5011  Lotus rigidus F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Rocky roadside, Seven Level Hill about 10 miles south of Palm Desert on Route 74 to Hemet. 610 Comment
  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
  CSUSB1263  Lotus scoparius A. P. Donaldson 1966-4-9 Riverside Collected by the roadside about 30 yards off 6.7 miles from turnoff to Hemet from Highway 60. 365 Comment
  SEINET10688352  Lotus scoparius subsp. brevialatus Salvato 2004-5-27 SALVATO 622 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. Upper canyon, pine woodland. 1402 Comment
  UCR262274  Lotus scoparius subsp. brevialatus A. C. Sanders 2006-5-13 32279 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA651075  Lotus scoparius subsp. scoparius Margaret Murphy 1983-4-15 0009 -A Riverside located in the north section of [parcel] 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  JOTR31043  Lotus scoparius var. brevialatus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2027 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  POM229025  Lotus scoparius var. brevialatus P. A. Munz 1937-5-31 15115 Riverside At Anza Table [Anza Bench] near head of Coyote Canyon. 1067 Comment
  RSA297754  Lotus scoparius var. brevialatus Barbara Ertter, J. Strachan 1979-6-26 2983 Riverside Hwy 243 near Idyllwild, San Jacinto Mtns Comment
  JEPS55855  Lotus strigosus W. L. Jepson 1901-5-20 1314 Riverside Chalk Hill Mt. San Jacinto, Thomas Valley 1341 Comment
  RSA775097  Lotus strigosus Duncan S. Bell, Amber Swanson 2011-2-18 2033 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  RSA782088  Lotus strigosus Duncan S. Bell 2009-3-7 5 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  SEINET7063225  Lotus strigosus A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UCR116862  Lotus strigosus A. C. Sanders, Steven R. Hill 2001-5-4 24135 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR226062  Lotus strigosus A. C. Sanders, T. B. Salvato 2011-4-1 38965 Riverside Peninsular Range, Lake Elsinore, hill 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 395 Comment
  UCR251989  Lotus strigosus A. C. Sanders, T. B. Salvato 2014-7-2 41164 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR98294  Lotus strigosus Scott D. White 1992-3-29 92- 56 Riverside San Bernardino Mtns, Millard Canyon. Steep W facing slope below fork with East Millard Cyn Rd. Comment
  UCR245962  Lotus strigosus var. tomentellus Duncan S. Bell 2009-3-8 78 Riverside Arica Mountains, NW side of range, c. 3.2 air miles NW of Priest Well, or c. 6.5 air miles SW of ghost town of Rice 513 Comment
  POM158200  Lotus unifoliolatus P. A. Munz 1928-9-6 11283 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA69870  Ludwigia peploides subsp. peploides J. C. Roos 1951-9-25 5250 Riverside Fairmount Park 259 Comment
  CLARK-A1656-749  Lupinus agardhianus Theo Glenn 1979-4-8 Riverside Snow Creek Comment
  POM349959  Lupinus arizonicus M. B. Dunkle 1935-3-30 4428 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA48403B  Lupinus arizonicus E. K. Balls 1949-4-2 12894 Riverside Between Mecca and Mortmar on Hwy 111 -61 Comment
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Jun 24 2012
  SEINET8043502 Image available Lupinus arizonicus Duncan S. Bell, Evan Meyer 2014-1 6521 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCD105832  Lupinus arizonicus John Wear 1995-3-23 s.n. Riverside Colorado Desert: Blythe. Comment
  UCR277633  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-1-14 42660 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  UCR92334  Lupinus bicolor Scott D. White, M. D. Wilcox 1995-7-13 3474 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
  RSA590645  Lupinus bicolor subsp. microphyllus R. Weatherby 1950-4-13 3026 Riverside Hagador Firebreak Comment
  SEINET10484883  Lupinus bicolor subsp. microphyllus Robert F. Thorne, F. R. Fosberg; Marie, Helene Sachet; Derral Herbst 1983-4-23 Thorne 55496 Riverside San bernardino mountains; sandy wash along whitewater river where road crosses River below fish hatchery, ca 4 miles n of whitewater post office. Hairy, low Annual 640 Comment
  RSA560374  Lupinus concinnus subsp. concinnus Steve D. Boyd 1992-4-14 6808 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  RSA773662  Lupinus excubitus Duncan S. Bell, Joy D. England 2010-5-20 1025 Riverside San Bernardino National Forest: Garner Valley, approximately 1.75 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1361 Comment
  UCR110961  Lupinus excubitus George K. Helmkamp 1998-6-27 4089 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR240632  Lupinus excubitus Tracy Tennant, Mitch Provance 1998-6-16 MOR- 407 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  JOTR34273  Lupinus excubitus var. austromontanus La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3289 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  JOTR34172  Lupinus excubitus var. excubitus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 128 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  POM12626  Lupinus excubitus var. hallii P. A. Munz, I. M. Johnston 1922-5-19 5407 Riverside Above Oak Cliff, San Jacinto Canyon. San Jacinto Mts. Comment
  RSA164794  Lupinus excubitus var. hallii Wesley O. Griesel 1963-5-4 771 Riverside Road between Beaumont and Oak Glen. 1067 Comment
  SEINET6932670 Image available Lupinus formosus W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside West end of Long Valley Road, just north of Temecula. Comment
  UCR251965  Lupinus hirsutissimus Max Brodie 2014-4-20 27 Riverside Peninsular Range; Santa Ana Mtns., SW of Lake Elsinore, off South Main Divide Rd. roughly 3 miles south of Hwy 74 851 Comment
  RSA90133  Lupinus latifolius subsp. parishii E. K. Balls, Percy C. Everett 1953-8-19 18532 Riverside North of Fullermill Co., 1.3 miles north of Black Mt, Truck Trail, hwy from Banning to Idyllwild 1829 Comment
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Jul 14 2012
  RSA413538  Lupinus microcarpus var. densiflorus Anstruther Davidson 1892-05 s.n. Riverside Banning. 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
  UCR90607  Lupinus microcarpus var. densiflorus Scott D. White 1995-6-29 3391 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  UC129482  Lupinus shockleyi H. M. Hall Apr. 1905 5762 Riverside Palm Springs; Colorado Desert, Palm Springs 152 Comment
  SEINET10486261  Lupinus shockleyi Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6474 Riverside Rice valley, 3.5 mi s-sw of rice. Sand dunes; locally frequent. Petals Dark-purple. 244 Comment
  JOTR16694  Lupinus sparsiflorus Cole, James E. 1941-5-19 s.n. Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1402 Comment
  PASA1674  Lupinus sparsiflorus R. E. Merrill Riverside Murray Canyon Comment
  RSA772407  Lupinus sparsiflorus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4858 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  SBBG35116  Lupinus sparsiflorus T. L. Secrest 1948-4-10 Riverside near Hemet Comment
  UCR48415  Lupinus sparsiflorus Steve Boyd 1986-4-22 1747 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  UCR86885  Lupinus sparsiflorus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16290 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR96913  Lupinus succulentus G. F. Pratt 1997-3-19 s.n. Riverside March Air Force Base, SE of Arnold Heights & east of Alessandro Blvd. 460 Comment
  POM13933  Lycium andersonii Philip A. Munz 1922-3-12 4710 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  POM294824  Lycium andersonii Lyman D. Benson 1945-3-29 11630 Riverside Canyon on Palm Spring Rd. Little San Bernardino Mt 610 Comment
  UC26126  Lycium andersonii S. B. Parish 1896-4-13 4132 Riverside Palm Springs (Agua Caliente), desert base of San Jacinto Mt. San Jacinto Mt.; Palm Springs (Agua Caliente), base of San Jacinto Mt., Riverside Co. 152 Comment
  UCR87089  Lycium andersonii Richard Minnich 1992-2-18 s.n. Riverside Riverside, c. 1 km SW of Mockingbird Canyon Reservoir Comment
  POM184622  Lycium brevipes var. brevipes Philip A. Munz 1931-3-13 11969 Riverside 5 mi. S. W. of Blythe. Comment
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Dec 3 2011
  RSA0054924  Lycium cooperi W. Marquart 1938-3-12 s.n. Riverside Mule Mts. South of Chuckawalla Range. Comment
  CAS-BOT-BC231497  Lycium torreyi Ivan Johnston 1917-4-4 1035 Riverside Palm Canyon 274 Comment
  SD70892  Lythrum hyssopifolia Helen V. Witham 1969-7-2 174 a Riverside Common near drainages, pools, etc. De Luz Creek crossing, 4 mi. N. of De Luz. 249 Comment
  UCR96865  Lythrum hyssopifolia Scott D. White 1993-4-30 1321 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  UCR121335  Machaeranthera asteroides A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25036 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  RSA713872  Machaeranthera asteroides var. asteroides Michael Wall 2006-6-6 416 Riverside East Hemet, Cedar Avenue at Mountain Ave. 512 Comment
  RSA587575  Madia exigua D. L. Banks, S. D. Boyd 1995-6-2 0574 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in section 32, W of the Dripping Springs Alcove Area. 890 Comment
  POM48638  Maianthemum stellatum Mary F. Spencer 1919-7-6 1322 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  CAS-BOT-BC206266  Malacothamnus fasciculatus Peter H. Raven; Sidney R. Snow 1956-7-6 9661 Riverside Vandeventer Flat, San Jacinto Mts. 1493 Comment
  POM10403  Malacothamnus fasciculatus Charlotte M. Wilder 1904-6-11 35 Riverside Wilders Canyon; Jurupa Hills near Riverside. Comment
  SDSU7518  Malacothamnus fasciculatus Charles F. Phleger 1962-5-23 Riverside collected on land owned by the Schloss Foundation about 25 miles north of Escondido. Comment
  UCR116673  Malacothamnus fasciculatus A. C. Sanders, Carolyn Washburn 2001-5-10 24240 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  RSA574751  Malacothrix californica Steve Boyd 1983-6-21 s.n. Riverside Gavilan Hills region, Gavilan Plateau, south of Harford Springs Country Park, just south of Ida-Leona Road and west of Piedras Road 610 Comment
  CAS-BOT-BC347682  Malacothrix glabrata Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  JOTR32434  Malacothrix glabrata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2278 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
  RSA475301  Malacothrix glabrata Steve Boyd, Sara Meury, Richard Noyes, D. Nordin, L. Arnseth, Timothy S. Ross 1988-3-10 2109 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR244316  Malacothrix glabrata Jim Andre 2012-4-16 20891 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  UCR261180  Malacothrix glabrata A. C. Sanders, Katie Young, John Hale 2015-4-22 41608 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1.2 km NW (296 deg. ) of One Horse Spring 461 Comment
  UCR89560  Malacothrix glabrata George K. Helmkamp 1994-3-10 42 7 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
  UCR282414  Malacothrix saxatilis var. tenuifolia Mitch Provance 2009-7-1 709- 05 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  CAS-BOT-BC348023  Malacothrix stebbinsii Annie M. Alexander; Louise Kellogg 1941-5-7 2129 Riverside 12 miles southwest of 29 Palms, Joshua Tree National Monument 1310 Comment
  RSA777830  Malacothrix stebbinsii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 856 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  LA62898  Malosma laurina Harlan Lewis; 1940-7-18 sn Riverside roadside, US 395, 5 mi W of Temecula Comment
  UCR99877  Malva parviflora Scott D. White 1996-12-26 4643 Riverside Perris Basin, Perris area 442 Comment
  RSA0105864  Malva parviflora Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge & Santa Ana Riverbed Transect. Comment
  RSA629026  Malva pseudolavatera Scott D. White 1998-6-28 6800 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  CHSC35203  Marah macrocarpa James Henrickson 1973-3-18 8607 Riverside 16 (air) miles I of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  SD138007  Marah macrocarpa Darin L. Banks, Steve Boyd 1995-3-30 131 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, Agua Tibia Mountain, Woodchuck Trail 633 Comment
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Jun 4 2009
  UC1537624  Marah macrocarpa Gordon H. True Jr. 1935-3-1 38 Riverside Gavilan Hills 548 Comment
  UCR154828  Marah macrocarpa A. C. Sanders, Mike Misenhelter 2005-3-23 29274 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR270753  Marah macrocarpa T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8374 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  CAS-BOT-BC502091  Marina parryi A. C. Sanders; Jim Malusa 2015-9-10 41863 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mi SE of its jct with Summit Rd in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mtns Aerial Gunnery Range 480 Comment
  JOTR38532  Marina parryi Harding, Mitzi, Kipp Callahan 2012-8-27 301 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; off Brooklyn Mine Road near park boundary Comment
  POM128975  Marina parryi Childs 1920-12-1 s.n. Riverside Martinez Canyon, Santa Rosa Mts, Colorado Desert Comment
  SEINET2063249 Image available Marina parryi B. Pitzer 1998-2-1 3444 Riverside Hayfield Dry Lake: Alluvial fan on N side of lakebed, from paved road down to lakebed. 426 Comment
  UC1552122  Marina parryi Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, and T. Ross 1988-3-10 2131 Riverside 2 mi w Palen Pass; Palen Mts. 300 Comment
  UCSB18652  Marina parryi Gerhart, Janet 1963-4-6 Riverside Coachella Canal-siphon 22, 5.2 miles southeast of intersection of Salt Creek Wash Road Comment
  SEINET5560804  Matricaria matricarioides H. S. Gentry, Bruce Gentry 1973-1 23191 Riverside Gentry Ranch, 3.5 miles NE of Murrieta. 396 Comment
  RSA0126892  Matricaria occidentalis R. E. Riefner Jr. 2017-4-2 17 -139 Riverside City of Hemet, along California Ave. near Stowe Rd. 468 Comment
  SEINET7882514 Image available Matricaria suaveolens Jean Coulson 1959-1 s.n. Riverside Riverside; Canyon Crest Blvd., 100 yds S. of Liden 0 Comment
  UCR57131  Meconella denticulata Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, Miller Canyon, north of Mesa de Burro 585 Comment
  CLARK-A1528-2856  Medicago lupulina John C. Roos 1952-4-30 5604 Riverside March Air Force Base 487 Comment
  SDSU13991  Medicago polymorpha Michael G. Simpson 2000-4-30 2081 Riverside Disturbed grassy field ssw of Southside field station (Henderson House), Santa Margarita Ecological Reserve (SDSU). 122 Comment
  RSA180237  Medicago polymorpha E. W. Lathrop 1965-4-18 5653 Riverside 10 miles west of Murrieta. Comment
  JOTR16781  Melica frutescens Hogan, J. 1975-5-20 161 Riverside Joshua Tree National Park. THREE MILES WEST OF PINYON WELL, PUSHAWALLS CANYON 1170 Comment
  UCR226048  Melica frutescens A. C. Sanders, Nathan Moorhatch 2011-3-22 38765 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  UCR24057  Melica frutescens John C. Roos, Lucille Roos 1949-4-23 4283 Riverside Sonoran (Colorado) Desert, Lost Palms Wash, Eagle Mountains 823 Comment
  UCR133400  Melica imperfecta Tracy Tennant, J. S. Ross 1998-5-7 MOR- 107 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCSB39324  Melica imperfecta Jorgensen, Jan 1982-3-23 Riverside 3 kilometers up road to aerial tramway, Palm Springs 120 Comment
  UC65738  Melilotus indicus N. K. Berg 1904-3-4 Riverside San Jacinto Comment
  UCR241495  Melilotus indicus Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 216 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR260574  Mentzelia A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41532 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, northwest of El Hermano Road junction along sandy wash of Temescal Creek 313 Comment
  UCSB8381  Mentzelia affinis Yokoyama, Howard 1953-4-12 Riverside Two miles out of Joshua Tree Comment
  POM6682  Mentzelia albicaulis P. A. Munz, L. T. Street, Williams 1919-3-27 2345 Riverside Salton Sea Comment
  RSA775102  Mentzelia albicaulis Duncan S. Bell, Michael Hee 2011-3-18 2051 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  JOTR31931  Mentzelia involucrata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2170 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  RSA795936  Mentzelia involucrata Duncan S. Bell 2009-4-19 260 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  RSA796270  Mentzelia involucrata Jim Andre, Tasha La Doux, R. B. Kelley 2011-5-4 21073 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  UC1595592  Mentzelia involucrata Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4567 Riverside above ne end of lake (Vail Lake area, steep se flank of Oak Mtn.); Vail Lake area; NE1/4, SW1/4 548 Comment
  UC1929704  Mentzelia involucrata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10503 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  UCSB4221  Mentzelia involucrata Atsatt, Pete 1958-3-21 Riverside 1.5 miles from town of Whitewater, U.S. Highway 66 & 99; up Whitewater Canyon 518 Comment
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Nov 19 2014
  POM15050  Mentzelia involucrata var. megalantha Mary F. Spencer 1922-4-12 1143 Riverside Palm Springs, Colorado Desert. 122 Comment
  SEINET11978685  Mentzelia involucrata var. megalantha S. B. Parish, Parish, W. F. n d 210 Riverside Whitewater, Nich Comment
  RSA652295  Mentzelia laevicaulis Ted States 1949-3-25 s.n. Riverside Collected 15 miles east of Indio on Hwy 60, 1/2 mile off road. 457 Comment
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Sep 6 2008
  RSA772338  Mentzelia laevicaulis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4519 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  RSA722991  Mentzelia laevicaulis var. laevicaulis M. Wall 2007-6-26 430 Riverside San Jacinto Valley, Bautista Creek wash off Bautista Canyon Rd. 3.0 miles SE of jct with Fairview Ave. 678 Comment
  UC700968  Mentzelia longiloba Aven and Ruth Nelson 1939-3-30 3336 Riverside near Desert Center (hiway 60) Comment
  UC19579  Mentzelia micrantha H. M. Hall 1899-6-1 1219 Riverside Riverside, Temecula Creek Comment
  CAS-BOT-BC170849  Mentzelia veatchiana A. J. McC. 1892-4-1 71 Riverside Elsinore Comment
  UCD170894  Mercurialis annua O. F. Clarke 2011-4-10 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus. 365 Comment
  RSA585784  Micropus californicus var. californicus D. L. Banks, S. D. Boyd 1995-5-9 0397 B 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
  CLARK-A1528-2013  Microseris douglasii John C. Roos 1950-3-18 4711 Riverside 457 Comment
  SD262200  Microseris douglasii subsp. platycarpha Mitch Provance, Jeremiah George 2017-3-23 317 40 Riverside Temescal Valley: East side of Campbell Ranch Rd, A+-500 ft north of Indian Truck Trail (Alberhill 7.5'Q) 360 Comment
  UCR104969  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-5-5 2339 Riverside In a tributary to Olsen Canyon, 366m east of the El Sobrante landfill and 610 m north of Dawson Canyon. The site is some 91 m north of the existing NE-SW access road to the Black Rocks region 415 Comment
  RSA652926  Microseris heterocarpa A. C. Sanders 1997-5-1 20626 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  RSA656544  Microseris heterocarpa A. C. Sanders 2000-5-25 23410 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
  UCR91288  Microseris heterocarpa Scott D. White, M. Jacobsmeyer 1996-4-20 3975 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  RSA501038  Microseris lindleyi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3159 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SD186343  Mimetanthe pilosa Andy C. Sanders 2005-6-15 31005 Riverside Sage-Aquanga Region: 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Road, at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 640 Comment
  POM8577B  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2282 Riverside Butte west of Lakeview. 610 Comment
  SEINET3208883  Mimulus aurantiacus var. pubescens G. Goodwin 2012-6-14 3437 Riverside San Jacinto Mountains, 3 miles south of Banning along highway 243 910 Comment
  POM8578A  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2280 Riverside Butte west of Lakeview. 610 Comment
  UC27105  Mimulus breweri H. M. Hall July 1901 2488 Riverside Lake Surprise San Jacinto Mountains 2499 Comment
  SEINET10570310  Mimulus cardinalis David B. Dunn 1946-8-16 Dunn 2666 Riverside Collected at jolly springs ravine on trail up devil's slide. San jacinto mts. Dried yellow; was orange red. Comment
  UCR202241  Mimulus diffusus Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  RSA680492  Mimulus floribundus Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9599 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  LA209477  Mimulus fremontii Elizabeth McClintock; 1940-6-30 sn Riverside San Jacinto Mts., Between Fern Basin Camp and Marion Camp, Banning-Idyllwild road Comment
  UCR123837  Mimulus guttatus Steven R. Hill 2001-4-29 33528 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  JOTR01207  Mimulus guttatus Cole, James E. 1941-5-27 792 Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  JEPS10964  Mimulus inodorus Carl V. Meyer 1928-7-3 601 Riverside Tahquitz Valley San Jacinto Mountains Comment
  UCR193982  Mimulus pilosus A. C. Sanders 2008-7-25 35900 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  UC454138  Mimulus primuloides I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  UC667306  Mimulus rubellus Annie M. Alexander and Louise Kellogg 1941-5-6 2128 Riverside 13 mi sw 29 Palms; Joshua Tree National Monument 1371 Comment
  SEINET196194  Mirabilis californica LeRoy Abrams 1941-4-22 13875 Riverside Palomar School near Perris Comment
  UCR89855  Mirabilis californica Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3317 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  POM14174  Mirabilis laevis var. crassifolia P. A. Munz 1922-4-9 4754 Riverside Palm Springs. 76 Comment
  RSA464245  Mirabilis laevis var. crassifolia Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA678427  Mirabilis laevis var. crassifolia Michael Wall 2003-4-26 308 Riverside South of Diamond Valley, northeast of Skinner Reservoir, off Rawson Rd. 0.4 mi. from jct. with Washington Ave. off Winchester Rd. 466 Comment
  UC1136596  Mirabilis laevis var. crassifolia R. St. John 1931-3-17 197 Riverside hill N of Corona 310 Comment
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Nov 27 2011
  RSA68292  Mirabilis laevis var. retrorsa Verne Grant, Alva Grant 1951-4-7 15979 Riverside Colorado Desert, Morongo Valley road [Hwy 62] ca. 1 miles North of Highway 60 671 Comment
  POM243648  Mirabilis laevis var. villosa E. C. Jaeger 1938-5-20 s.n. Riverside Thousand Palms canon. 1220 Comment
  RSA0120233  Mirabilis multiflora Duncan S. Bell, Thomas Stoughton 2016-4-14 9285 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
  SD119907  Mirabilis multiflora var. pubescens Louis B. Ziegler 1964-8-30 21 Riverside San Jacinto Mountains, Garner Valley. 1431 Comment
  RSA782084  Mohavea confertiflora Duncan S. Bell 2009-3-7 1 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  UC26850  Mohavea confertiflora W. G. Wright Riverside Colorado Desert Comment
  UC673536  Mohavea confertiflora H. L. Mason 1928-3-10 4246 Riverside Road from Indio to Palm Springs Comment
  UC104662  Monardella breweri subsp. lanceolata A. W. Anthony 1895-7-15 Riverside San Jacinto Mts. 1828 Comment
  UC883593  Monardella breweri subsp. lanceolata I. W. Clokey, E. G. Anderson 1935-8-21 6870 Riverside North Fork San Jacinto River 1500 Comment
  LA62755  Monardella linoides subsp. linoides Carl Epling; June 1938 sn Riverside Palms to Pines Highway Comment
  LA96075  Monardella nana Elizabeth McClintock; 1940-6-30 20 Riverside near Marion Camp, on the Banning-Idyllwild rd Comment
  RSA750409  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 64 Riverside Road to Santa Rosa Mt. 2.5 miles above Pines to Palms Highway. Comment
  SEINET10582418  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 56 Riverside San Bernadino National Forest, Santa Rosa Mtn. 2.05 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on the right shoulder (heading back towards Hwy. 74). T7S,R5E,S29. 1 small clump at the bottom of a steep bank. Comment
  SEINET10582421  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 59 Riverside San Bernadino National Forest, Santa Rosa Mtn. 1.4 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on right roadside, west-facing slope (heading back towards Hwy. 74). T7S,R5E,S29. Locally abundant in sun and shade of Pinus jeffreyi, Quercus chrysolepis, with Eriophyllum confertiflorum, Lonicera subspicta, Phlox austromontana, Galium andrewsii, Eriogonum fasciculatum var. foliosum, Amorpha californica, Bromus sitchensis, Castilleja sp. Comment
  SEINET10582424  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 62 Riverside San Bernadino National Forest, Santa Rosa Mtn. 1.4 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on right roadside, west-facing slope (heading back towards Hwy. 74). T7S,R5E,S29. Locally abundant in sun and shade of Pinus jeffreyi, Quercus chrysolepis, with Eriophyllum confertiflorum, Lonicera subspicta, Phlox austromontana, Galium andrewsii, Eriogonum fasciculatum var. foliosum, Amorpha californica, Bromus sitchensis, Castilleja sp. Comment
  SEINET10928183  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 52 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
  UC1499811  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 116 Riverside w Domengonio Flats (on slope s of Strawberry Creek); San Jacinto Mts. Comment
  RSA304548  Monolepis nuttalliana O. F. Clarke 1970-9-24 s.n. Riverside Santa Ana River bottom just east of the old Salt Lake River Bridge, Riverside. Comment
  RSA0123369  Monoptilon bellioides Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9035 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA782086  Monoptilon bellioides Duncan S. Bell 2009-3-7 3 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  SEINET2053855 Image available Monoptilon bellioides I. Rauch 1968-4-9 Riverside Palm Desert, Dead Indian Creek wash. 152 Comment
  UCR16702  Monoptilon bellioides D. H. Wilken 1966-3-26 775 Riverside San Bernardino Mtns./ Sonoran (Colorado) Desert, Whitewater Canyon near Cabazon 610 Comment
  UCR167251  Monoptilon bellioides 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
  UCR30075  Monoptilon bellioides George K. Helmkamp 1983-4-5 483- 22 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR158279  Muhlenbergia A. C. Sanders, G. K. Helmkamp 1996-3-17 17974 Riverside Coachella Valley, North Palm Springs (Garnet), I-10 at Indian Ave., N of Garnet Ave 250 Comment
  UCR2777  Muhlenbergia asperifolia F. M. Reed 1933-9-20 8089 Riverside San Jacinto Mtns., Lake Hemet in Garner Valley Comment
  JOTR29575  Muhlenbergia microsperma Andre, Jim 2006-4-6 6687 Riverside Joshua Tree National Park. Pinto Basin, approx. 400 m S. of Pinto Basin Rd (paved), 3 mi. SE of Twin Tanks, 1023 Comment
  POM258907  Muhlenbergia microsperma E. C. Jaeger 1939-12-3 s.n. Riverside Orocopia Mts. 365 Comment
  RSA337843  Muhlenbergia porteri R. F. Thorne 1979-8-22 53575 Riverside Joshua Tree National Monument: Hidden Valley; Nolina Rocks near Sheep Pass and sand quarry. 1341 Comment
  CAS-BOT-BC274912  Muhlenbergia rigens Peter H. Raven; Sidney R. Snow 1956-6-30 9536 Riverside Dripping Springs Guard Station, Temecula River Comment
  POM122723  Muhlenbergia rigens Marcus E. Jones 1924-8-20 s.n. Riverside Idyllwild. Comment
  RSA357001  Muilla maritima Robert F. Thorne 1973-5-23 43871 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  UCR116930  Muilla maritima A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24213 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR176925  Muilla maritima Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 73 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, unnamed canyon running W to E between the southern portions of Hathaway and Potrero Canyons, c. 1.5 miles ENE of Banning Peak (VABM 3440) 854 Comment
  UCR215365  Muilla maritima Fred M. Roberts 2006-6-21 6342 Riverside Peninsular Range; San Jacinto Mountains, Little Thomas Mountain; Thomas Mountain Road, 0.5 km west summit of peak 1866 Comment
  SDSU13517  Myriopteris newberryi W. Miller with C. Mosse 1972-7-11 Riverside Comment
  SDSU3601  Myriopteris newberryi James C. Dice with Tu Chung 1987-10-19 738 A Riverside At head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita River, ca. 0.4 km ENE of Field Station site and just ENE of weather station. T8S, R3W, northwest 1/4 of northwest 1/4 of section 26. 329 Comment
  CLARK-A1528-2980  Nama demissa John C. Roos 1947-3-15 3355 Riverside Santa Rosa Mountains 365 Comment
  RSA339703  Nama demissa Robert F. Thorne, C. W. Tilforth 1980-5-28 54249 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  UC880828  Nama demissa var. demissa Ira L. Wiggins 1937-3-9 8762 Riverside gravelly wash 5 mi w Shaver's Well; w of Shaver's Well Comment
  RSA796336  Nama hispida Duncan S. Bell 2009-4-18 198 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  POM13914  Nama hispida var. spathulata P. A. Munz 1922-4-9 4803 Riverside Hayfields, Chuckawalla Valley. 152 Comment
  RSA264149  Nama hispida var. spathulata C. W. Tilforth, John Dourley, Walter Wisura 1977-6-19 1329 Riverside 2 miles S of Rice and Hwy 62, along Blythe-Rice Rd. 267 Comment
  SEINET3145433  Nama hispida var. spathulata R. W. Spellenberg, N. Zucker 2001-3-24 13180 Riverside Just N of IH-10 on Hayfield Rd., ca. 30 km W of Desert Center, ca. 5 km E of Chiriaco Summit 440 Comment
  RSA689488  Nassella pulchra Scott D. White, Michael Honer 2003-4-2 8899 Riverside Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  SEINET7072853  Nassella pulchra 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
  RSA654178  Navarretia atractyloides Mitch Provance 1998-6-11 677 Riverside Jurupa Mountains: Twin Canyons, S of the historical community known as Declezville. This housing development area is now known as Southridge. 320 Comment
  OBI11307  Navarretia fossalis Robert F. Hoover 1968-1 Riverside Comment
  RSA67049  Navarretia hamata Verne Grant, Alva Grant 1951-6-4 16012 Riverside 2 mi. s. of Temecula on Hwy 395 335 Comment
  RSA0116561  Nemacladus glanduliferus Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 747 B 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
  OBI33596  Nemacladus longiflorus J. C. Roos 1947-3-15 3343 Riverside 1 mi E of Valle vista, San Jacinto Valley 549 Comment
  SEINET10458391  Nemacladus longiflorus Barbara J. Ertter, Jeffrey Strachen 1979-6-26 Ertter 2976 Riverside Kenworthy Forest Station on Rt. 74 in Garner Valley, San Jacinto Mountains. T6N R3E Sec. 25 Comment
  SEINET10458394  Nemacladus longiflorus Boyd 1986-4-22 BOYD 1753 Riverside Temescal Canyon: Alluvial benches of Indian wash just south of Interstate 15 Comment
  POM17809  Nemacladus pinnatifidus P. A. Munz 1923-6-14 7096 Riverside Glen Ivy Trail to Santiago Peak 1219 Comment
  JEPS5487  Nemacladus ramosissimus Rimo Bacigalupi with G. T. Robbins 1954-5-16 4464 Riverside 11 mi s Hemet (St. Johns Grade, State Hwy 79, at junction of road to Red Mt) 792 Comment
  POM18131  Nemacladus ramosissimus P. A. Munz 1923-9-7 7769 Riverside Trail from Holy Jim Canyon to Santiago Peak. 1128 Comment
  UCR25788  Nemacladus ramosissimus John C. Roos 1937-7-11 1507 Riverside Box Springs Mtns, Reche Canyon Comment
  POM433290  Nemacladus sigmoideus M. B. Dunkle 1933-5-6 3443 Riverside Painted Canyon. Comment
  RSA777653  Nemacladus tenuis var. aliformis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 755 B Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  RSA421339  Nemophila menziesii Ora M. Clark 1929-4-7 2038 Riverside S. Hemet. Comment
  RSA523488  Nemophila menziesii Steve Boyd, Tim Ross, L. Arnseth 1990-3-30 3948 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  UCR41360  Nemophila menziesii N. M. Fellows 1985-3-3 88 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
  UCR117424  Nemophila menziesii var. integrifolia A. C. Sanders 1994-5-29 14580 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  SEINET7063415  Nemophila menziesii var. menziesii A. G. Vestal 1947-3-29 s.n. Riverside About 6.2 miles east of Lake Elsinore on Newport Road. UTM Zone 11, 481169mE, 3727240mN. (WGS84/NAD83). 434 Comment
  RSA0054919  Nicotiana attenuata W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Desert Center. Comment
  POM8814  Nicotiana bigelovii var. wallacei Philip A. Munz, R. D. Harwood 1920-5-5 3833 Riverside Near Wineville 457 Comment
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Jun 11 2012
  CHSC8439  Nicotiana clevelandii Edward L. Smith 1958-3-21 392 Riverside Little Santa Maria Mts. 6 mi s of Rice, near Priest's Well. 365 Comment
  JOTR34018  Nicotiana obtusifolia La Doux, Tasha, M. Harding 2010-4-7 2905 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UC570699  Nicotiana obtusifolia Curtis Ferris 1932-3-20 67 Riverside Oasis; Painted Canyon Comment
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Jun 24 2008
  UCR132745  Nicotiana obtusifolia Scott D. White 1993-2-5 1044 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  RSA58891  Nolina parryi Sara M. Schenck 1950-6-8 15482 Riverside Below dam in wash above Desert Queen Mine, Joshua Tree National Monument. Comment
  UCSB38721  Notholaena californica Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  UCD124112  Nuttallanthus texanus Maureen H. Pendleton 1988-2-15 s.n. Riverside Ca. 2 miles northwest of Alberhill on the East side of Horsetheif Canyon wash. 381 Comment
  UC1930021  Oenothera californica subsp. californica Scott D. White, Justin Wood 2008-5-15 11972 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom Comment
  LA206158  Oenothera deltoides Charles Bogert; 1932-4-17 4001 Riverside Indian Wells Comment
  UCR245948  Oenothera deltoides Duncan S. Bell 2009-3-8 57 Riverside Arica Mountains, north tip of range, c. 3 air miles NW of Priest Well, or c. 5.5 air miles SW of ghost town of Rice 404 Comment
  UC68570  Oenothera deltoides subsp. deltoides H. M. Hall Apr. 1905 5768 Riverside Bradley Canyon Colorado Desert 91 Comment
  SEINET3150331  Oenothera dentata M. E. Jones 1882-4-24 3168 Riverside San Jacinto Comment
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Jun 24 2020
  RSA770931  Oenothera elata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4581 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  JEPS44071  Oenothera elata subsp. hirsutissima Marjorie D. Clary 1932-8-7 236 Riverside Snow Creek Colorado Desert, San Jacinto Mts. 426 Comment
  UCR145793  Oenothera elata subsp. hookeri June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  CAS-BOT-BC427460  Oligomeris linifolia H. M. Hall 1905-4-1 5775 Riverside Colorado Desert. Indian Well 0 Comment
  POM14086  Oligomeris linifolia P. A. Munz, D. D. Keck 1922-4-14 4961 Riverside Indian Wells 107 Comment
  RSA399179  Oligomeris linifolia N. C. Cooper 1949-4-8 3283 Riverside Shaver's Summit east of Indio. 610 Comment
  RSA698596  Oligomeris linifolia J. R. Bruff s.n. Riverside Palm Springs. Comment
  RSA698598  Oligomeris linifolia J. R. Bruff 1927-3-13 2 -U Riverside Thousand Palms Comment
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Apr 3 2011
  SEINET7259072 Image available Oligomeris linifolia Leila M. Shultz, John S. Shultz 1985-1 8262 Riverside Chuckawalla Valley sand dunes, east of the Chuckawalla Mountains 122 Comment
  POM348466  Olneya tesota Robert Gustafson, Gary D. Wallace 1982-5-19 2559 Riverside Living Desert Reserve, Palm Desert Comment
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Jul 14 2013
  POM348468  Olneya tesota Lester H. Cushman 1932-3-21 15130 Riverside 1 miles East of Mecca Colorado Desert Comment
  UCR228744  Oncosiphon piluliferum A. C. Sanders, Nathan Moorhatch 2011-3-22 38795 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  SD161068  Opuntia X vaseyi Scott D. White 1999-5-20 7373 Riverside Perris Basin: Perris/Sun City area, just east of Goetz Road and south of Ethanac Road, ca 1I(c)-2 miles west of I-215 freeway. USGS Romoland 7.5' quad. (IPB 9/07) 440 Comment
  POM278510  Opuntia polyacantha var. erinacea H. G. Rush 1950-5-10 123 Riverside 5 miles NW of Nightingale along Palms to Pines Hwy.; Santa Rosa Mts. 1463 Comment
  POM284057  Opuntia vaseyi Lyman Benson 1955-12-6 15621 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  RSA356633  Orcuttia californica R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47318 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  RSA757047  Orcuttia californica D. E. Bramlet, Rick Riefner 2005-5-17 3856 Riverside Stowe vernal pool. The site is located 152m N of Stowe Rd. & 213m W of California Ave. The pools are located 8km west of Hemet. 456 Comment
  SEINET10723433  Oreostemma alpigenum var. andersonii David B. Dunn 1946-8-17 Dunn 2693 Riverside Damp meadow area grassy, near the stream at the camp in Taquitz Valley, San Jacinto Mts. 2438 Comment
  UCR26561  Orobanche californica subsp. feudgei T. P. Krantz 1982-5-19 s.n. Riverside San Jacinto Mtns, Garner Valley 1402 Comment
  JEPS11649  Orobanche cooperi Marjorie D. Clary 1932-3-23 1679 Riverside 8 mi sw of Coachella (Colorado Desert, Santa Rosa Mountains); Colorado Desert, Santa Rosa Mountains 152 Comment
  JEPS12904  Orobanche cooperi P. A. Munz, D. Keck 1922-4-13 4960 Riverside Colorado Desert, s base of Eagle Mountains Eagle Mountains; Colorado Desert, Eagle Mountains 213 Comment
  RSA0102398  Orobanche cooperi subsp. cooperi John Roos, Lucille Roos. 1949-3-26 4125 Riverside 2 or 3 miles east of Mecca. Comment
  RSA586105  Orobanche fasciculata D. L. Banks, S. D. Boyd 1995-4-5 145 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., On alluvial terraces of the W fork of Arroyo Seco. 622 Comment
  RSA741118  Osmorhiza brachypoda Scott D. White, Justin M. Wood 2008-6-18 12245 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  POM263144  Oxytheca emarginata J. C. Roos 1941-5-10 126 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
  RSA64889  Oxytheca emarginata F. W. Peirson 1922-5-21 3034 Riverside Hemet Valley, San Jacinto Mts. 1372 Comment
  JEPS44379  Oxytheca trilobata Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4277 Riverside 1.8 mi above Mountain Home Spring (on road to Santa Rosa Mountain) Comment
  RSA58858  Oxytheca trilobata P. A. Munz, Percy C. Everett 1950-6-23 14908 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains. 1402 Comment
  UC6614  Oxytheca trilobata H. M. Hall 1899-5-21 1164 Riverside Chalk Hill San Jacinto Mountains 1584 Comment
  UCR202001  Oxytheca trilobata Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  CLARK-A1703-1219  Paeonia brownii Charlotte Stocks 1964-5-1 Riverside Temecula Comment
  RSA234080  Paeonia californica Robert F. Thorne, E. W. Lathrop 1969-6-6 39329 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  CAS-BOT-BC327911  Palafoxia arida H. M. Hall 1902-4-1 2768 Riverside Western borders of the Colorado Desert. Coyote Canyon 152 Comment
  SBBG8642  Palafoxia arida H. and M. Dearing 1936-12-25 1889 Riverside Long Cyn, Colorado Desert Comment
  UCD134905  Palafoxia arida Shirley C. Tucker 1957-3-10 3956 Riverside desert 4 miles north of Needles. Comment
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Mar 23 2014
  UCR178577  Palafoxia arida R. G. Swinney 1967-2-11 0034 Riverside San Jacinto Mtns./ Sonoran (Colorado) Desert, Snow Creek 366 Comment
  POM363753  Palafoxia arida var. arida L. C. Wheeler 1931-11-26 368 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  UCR112132  Papaver somniferum A. C. Sanders, B. Pitzer, T. B. Salvato 1998-4-26 21758 Riverside Box Springs Mtns., Highgrove, mouth of Pigeon Pass Canyon at intersection of Pigeon Pass Rd. and Mt. Vernon Ave. 320 Comment
  CAS-BOT-BC274184  Pappostipa speciosa A. M. White 1974-6-8 1431 Riverside 50 mi. N. Desert Center Comment
  CLARK-A1528-4390  Parietaria floridana John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  UCR91482  Parietaria hespera var. californica Scott D. White, M. Jacobsmeyer 1996-4-20 3949 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  POM2139  Parietaria hespera var. hespera I. M. Johnston 1917-4-4 991 Riverside Palm Canyon. 457 Comment
  OBI13279  Parkinsonia florida H. E. McMinn 1937-3-5 4497 Riverside About 7 mi W of Blythe Comment
  SD216479  Parkinsonia florida Carol R. Annable 1995-3-10 2262 Riverside 1.6 kilometers south of Lake Cahuilla County Park. Comment
  UCR115140  Parkinsonia florida Mitch Provance 2000-10-28 2270 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR263645  Parkinsonia florida Aaron C. Sedgwick, Brett Griffin 2012-3-28 028 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  CLARK-A1528-81  Paspalum dilatatum C. M. Flanagan 1973-6-13 OO 707 Riverside Morongo Indian Reservation 1127 Comment
  UCR95742  Paspalum dilatatum D. L. Banks, V. W. Steinmann 1996-4-20 0902 Riverside Agua Tibia Mtns, NW Palomar Mtns; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California- Emerson Oaks Reserve 524 Comment
  JEPS22512  Pectocarya heterocarpa Rimo Bacigalupi with Paul Hutchison 1958-2-19 6197 Riverside 9.4 mi n Blythe; western base of Big Maria Mts., in wash 167 Comment
  RSA659689  Pectocarya linearis J. C. Roos 1952-2-29 5371 Riverside Reche Canyon. 457 Comment
  SD186139  Pectocarya linearis A. C. Sanders, T. B. Salvato and Mitch Provance 2003-4-4 25838 Riverside Jurupa Mtns., hill southwest of the Jensen Quarry, northwest of Sunnyslope. 366 Comment
  UCR127358  Pectocarya linearis A. C. Sanders, D. Malueg 2003-5-8 26567 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  CHSC35467  Pectocarya linearis subsp. ferocula James Henrickson 1973-3-18 8596 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  SDSU18357  Pectocarya linearis subsp. ferocula C. Matt Guilliams 2008-2-21 474 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UCD120129  Pectocarya linearis subsp. ferocula T. B. Salvato; A. C. Sanders 2005-5-17 888 Riverside San Jacinto Mtn foothills San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and N of Calif. Hwy 74. 549 Comment
  RSA523486  Pectocarya penicillata Steve Boyd, L. Arnseth, Timothy S. Ross 1990-3-30 3946 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  JEPS20128  Pectocarya platycarpa I. W. Clokey 1935-4-17 6860 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs Comment
  RSA680566  Pectocarya platycarpa Scott D. White, Michael Honer 2003-4-30 9141 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  UCSB41276  Pectocarya platycarpa Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km.) W on Hwy. 74 from jct. with 243, approaching Hemet; San Jacinto Mts.; Whittaker transect #W-288 1370 Comment
  JOTR28813  Pectocarya recurvata La Doux, Tasha 2005-2-7 1081 Riverside Joshua Tree National Park. Above Hayfield Dry Lake 553 Comment
  JOTR29563  Pectocarya recurvata Andre, Jim, Tasha LaDoux 2006-4-11 6737 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  RSA0025066  Pectocarya recurvata D. L. Banks, Victor Steinmann 1997-3-13 1470 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA49357  Pectocarya recurvata P. A. Munz 1949-4-11 13009 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  RSA501012  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3131 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  SEINET3083986 Image available Pectocarya recurvata P. Leary 1975-2-2 876 Riverside 2.4 miles southeast of White Tank in Wilson's Canyon, Joshua Tree National Monument. Comment
  JOTR30978  Pectocarya setosa La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1949 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  RSA757638  Pectocarya setosa LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4316 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
  UCR68716  Pectocarya setosa Steve Boyd, T. S. Ross 1990-5-11 4611 Riverside Agua Tibia Mountains, Cleveland National Forest, base of Agua Tibia Mtn, east of Dripping Springs campground, south of Hwy 79 671 Comment
  RSA523484  Pedicularis densiflora Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3944 Riverside Vail Lake area, summit of Big Oak Mtn, N of lake. Saddle between summits, N slope along rd heading N to Black Hills. 793 Comment
  RSA771699  Pellaea andromedifolia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4695 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  POM182208  Pellaea mucronata P. A. Munz 1932-4-24 12393 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  UCR12629  Pellaea mucronata I. G. Rauch 1968-4-25 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Tenaja Rd near Murrieta 549 Comment
  UCR156292  Pellaea mucronata T. B. Salvato, Kent Beaman 2005-5-16 836 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR163398  Pellaea mucronata O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  POM145482  Pellaea mucronata var. mucronata Marcus E. Jones 1927-4-16 s.n. Riverside Cottonwood Spring, near Shaver's Well, Colorado Desert Comment
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Oct 9 2010
  RSA604850  Pellaea mucronata var. mucronata Scott D. White 1995-3-30 2651 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr. 579 Comment
  LA105726  Pennisetum setaceum Dave Hawks; 1986-4-17 sn Riverside Whitewater River channel, 1 mi S of Hwy I-10 and 2 mi. W of Indian Ave, 259 Comment
  NY1084028  Penstemon X parishii C. B. Wolf 1938-6-11 9416 Riverside San Jacinto Mountains, Palms to Pines Highway, 1½ miles west of junction to Anza 1219.2 Comment
  CHSC1849  Penstemon antirrhinoides E. Thomas 1940-3-10 Riverside San Jacinto Foothills. Comment
  JEPS11205  Penstemon californicus P. A. Munz and I. M. Johnston 1922-5-21 5445 Riverside two mi below Kenworthy (San Jacinto Mts.); , Thomas Valley, below Kenworthy 1371 Comment
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Mar 25 2011
  UCR35260  Penstemon centranthifolius L. B. Ziegler 1967-6-1 148 Riverside San Jacinto Mountains, Hemet Valley, near Hemet Lake. 1341 Comment
  UCR91741  Penstemon centranthifolius A. C. Sanders, J. Goetzen 1996-5-1 18137 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  RSA97020  Penstemon centranthifolius R. M. Straw 1953-6-4 445 Riverside Head of Palm Canyon, Palms to Pines Hwy. Comment
  CAS-BOT-BC265293  Penstemon clevelandii subsp. connatus Barbara Ertter; Jeffrey Strachan 1980-5-21 3487 Riverside Rivulet crossing Santa Rosa Mountain road [Forest Road 7S02] from Highway 74 [Pines to Palms Highway] 1584 Comment
  SD51812  Penstemon clevelandii var. connatus Rimo Bacigalupi, L. R. Heckard 1953-5-5 4074 Riverside Western Riverside County. Along the Palms-to-Pines Highway (Calif. No. 74), above the seven level Hill, western slopes of Deep Canyon, about I(c) way betw. Santa Rosa Mts. And San Jacinto Mts, west side of Coachella Valley Comment
  UCR167868  Penstemon grinnellii T. B. Salvato, John F. Green 2004-5-27 574 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  JEPS44383  Penstemon grinnellii var. grinnellii Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4263 Riverside 1 mi se Toro Peak ridge (Santa Rosa Mountains); , se of Toro Peak ridge 2286 Comment
  POM187415  Penstemon labrosus L. Crutcher 1933-8-22 7 Riverside Ridge south of Tahquitz Valley. Comment
  RSA402132  Penstemon labrosus N. C. Cooper 1944-7-7 1587 Riverside San Jacinto Mts (above Pine Cove). 2073 Comment
  UCR23246  Penstemon pseudospectabilis John C. Roos 1958-2-22 s.n. Riverside Chuckwalla Mtns., Canyon 2.5 mi S.E. of Desert Center Comment
  RSA0014859  Penstemon rostriflorus C. Epling, Wm. Robison 1935-6-30 s.n. Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  UCR174029  Penstemon spectabilis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32498 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR3236  Penstemon spectabilis Chuck Elliott 1964-5-5 s.n. Riverside 1 mi past end of Canyon Crest Rd. west in Riverside 305 Comment
  PASA1698  Pentachaeta aurea Margaret Stason 1931-5-24 Riverside pine woods, idyllwild Comment
  RSA507471  Pentachaeta aurea Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, Garner ranch Property on Hwy 74, less than 1 mile SE of the jct. with Hwy 243 Comment
  RSA0070919  Pentagramma maxonii L. S. Rose 1966-12-14 66109 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  RSA0120467  Pentagramma triangularis Duncan S. Bell 2016-4-16 9304 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCR114823  Pentagramma triangularis subsp. triangularis Mitch Provance, Seychelle Provance 1998-2-17 88 A Riverside Jurupa Mountains, Jensen Quarry; Sunnyside area on W side of Sierra Blvd, c. 0.2 miles NW of the corner of Scenic Dr. and 34th St. 348 Comment
  CAS-BOT-BC77484  Peritoma arborea var. angustata E. A. McGregor 1917-3-19 716 Riverside Indio Sands Comment
  SEINET3388780 Image available Perityle emoryi Lewis S. Rose 1935-12-23 35687 Riverside 13 miles south of Cathedral City. San Jacinto Mountains. 610 Comment
  UCR101572  Perityle emoryi Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  RSA0065563  Petalonyx linearis Peter Gail 1961-5-6 s.n. Riverside Palms to Pines Highway. Comment
  SEINET2073357  Petalonyx thurberi S. Rhodes 2000-9-14 147 Riverside Desert Center, Dillon Road exit off I-10, sandy, disturbed area in Larrea tridentata desert. 274 Comment
  CAS-BOT-BC326834  Peucephyllum schottii Frank W. Peirson 1919-4-13 4737 Riverside 1st canyon east of Palm Canyon, Colorado Desert Comment
  JOTR34023  Peucephyllum schottii La Doux, Tasha, M. Harding 2010-4-7 2910 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  LA203886  Peucephyllum schottii T. Craig; 1932-2-24 1796 Riverside Coachella Valley, Cathedral City Comment
  RSA770299  Peucephyllum schottii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4584 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET7248273 Image available Peucephyllum schottii Duncan S. Bell, LeRoy Gross 2014-1 6241 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  UC831588  Peucephyllum schottii E. C. Jaeger 1922-3-18 1028 Riverside near Mecca; Painted Canyon Comment
  IRVC26830  Phacelia brachyloba S. D. White 1997-5-18 5169 Riverside Northern Escarpment S of Banning: Along Hwy 243, ca. 5 road mi SE of Banning and 5 road mi NW of Vista Grande. San Jacinto Mtns 1098 Comment
  POM307237  Phacelia brachyloba Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2111 Riverside Santa Rosa Mountains. Comment
  RSA427683B  Phacelia brachyloba Christopher Davidson 1975-6-16 2814 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  RSA559354  Phacelia brachyloba Steve Boyd, Tim Ross 1992-5-15 7388 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  SD216487  Phacelia brachyloba Jay B. Walker 1995-5-4 1416 Riverside San Bernardino National Forest. Highway 74, 3 kilometers east of junction with Santa Rosa Mountain Road. 1399 Comment
  UCR35126  Phacelia brachyloba L. B. Ziegler 1974-5-20 526 Riverside San Jacinto Valley, San Jacinto River bed 489 Comment
  RSA427707  Phacelia campanularia Frances L. Cramer 1941-5-3 20319 Riverside Joshua Tree National Monument Comment
  SBBG65005  Phacelia campanularia B. L. Clary -Feb-1928 Riverside near Edom 64 Comment
  UCR214908  Phacelia campanularia subsp. campanularia Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12586 Riverside San Bernardino Mountains, ridgeline east of Whitewater Canyon, c. 2 miles north of town of White Water (Hwy I-10), near Super Creek Quarry 747 Comment
  RSA26282  Phacelia campanularia subsp. vasiformis Reid V. Moran 1941-5-5 856 Riverside Cottonwood Pass, Eagle Mtns. Comment
  UCR244297  Phacelia campanularia subsp. vasiformis Jim Andre 2012-4-16 20875 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  UCR250120  Phacelia cicutaria var. hispida A. C. Sanders 2014-4-23 41054 Riverside Peninsular Range, Gavilan Hills, toward eastern end of Concordia Ranch Rd. at edge of Temescal Valley, above I-15 390 Comment
  UCR97708  Phacelia cicutaria var. hispida Scott D. White 1997-2-28 4716 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR41275  Phacelia crenulata B. G. Pitzer 1986-2-9 0004 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  JOTR34014  Phacelia crenulata var. ambigua La Doux, Tasha, M. Harding 2010-4-7 2901 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
  UC1922409  Phacelia crenulata var. ambigua Naomi Fraga, Lisa Rojas 2005-2-10 1361 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UC572247  Phacelia crenulata var. ambigua H. S. Yates 1937-3-23 6409 Riverside 3 mi n Palm Springs; San Jacinto Quadrangle 213 Comment
  UC881059  Phacelia crenulata var. ambigua Lewis S. Rose 1937-4-9 36133 Riverside Palms to Pines Hwy 15 mi w Indio 838 Comment
  JEPS2376  Phacelia distans W. L. Jepson 1927-4-12 11672 Riverside Mecca Painted Canyon 76 Comment
  RSA27410  Phacelia distans C. L. Hitchcock 1940-3-29 5858 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  RSA776282  Phacelia distans Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 884 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  RSA784335  Phacelia distans J. D. Olmsted 1959-4-17 382 Riverside Santa Ana River drainage area. Puente Hills. 0.25 mi N of Prado dam along Hwy 71 on west side of road. 213 Comment
  UC1979613  Phacelia distans D. L Banks, Steve Boyd 1995-5-3 0187 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UCR262276  Phacelia distans A. C. Sanders 2006-5-13 32288 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  SD72110  Phacelia imbricata subsp. patula John Thomas Howell 1927-8-2 2915 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto. Comment
  UCR8339  Phacelia imbricata subsp. patula B. Freeman 1969-7-25 690625- 34 Riverside San Jacinto Mtn., University of California James Reserve, Trailfinders' Camp, near Lake Fulmor, on road from Banning to Idyllwild 1646 Comment
  POM259668  Phacelia minor P. A. Munz 1940-3-22 15655 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  RSA151625  Phacelia minor R. C. Bacigalupi 1954-4-25 4397 Riverside First-year burn along Califor. Highway 79, close to summitof St. Jones Grae, +- 0.75 miles. south of Sage [9 1/2 miles north of juntion with Calif. Highway 71] 732 Comment
  RSA602235  Phacelia minor R. S. Woglum 1934-3-18 645 Riverside Peninsuar Ranges: San Jacinto Mountains, Coachella Valley, Snow Creek. Comment
  SD4090  Phacelia minor Fidella G. Woodcock 1926-3-15 Riverside Palm Springs (mak 7/07) Comment
  SEINET3091923 Image available Phacelia ramosissima Scott White 1991-5-10 91 -130 Riverside Hwy 79, immediately W of U. S. Forest Service Campground at Dripping Springs. Comment
  UC63813  Phacelia ramosissima var. ramosissima W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside San Jacinto Valley 457 Comment
  RSA0120627  Phoenix canariensis Duncan S. Bell, Thomas Stoughton 2016-3-16 8941 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southeastern section of range, approximately 2.5 air miles northeast of Gucci Spring. 408 Comment
  JOTR32532A  Phoenix dactylifera La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2540 Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  RSA0122709  Pholistoma membranaceum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9055 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  CAS-BOT-BC135071  Phoradendron californicum Del Wiens 1955-10-17 960 Riverside Palms to Pines Highway between Palm Springs and Keen Camp, State Hwy. 74 Comment
  RSA27714  Phoradendron californicum C. Leo Hitchcock 1940-4-2 5917 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  UC217921  Phoradendron californicum P. A. Munz and D. Keck 1922-4-14 4992 Riverside Colorado Desert, Indian Wells 106 Comment
  UCD102017  Phoradendron californicum L. S. Rose 1935-12-19 s.n. Riverside Palm Springs, Colorado Desert. 138 Comment
  UCR114127  Phoradendron californicum B. G. Pitzer, J. Ross 1998-3-8 3602 Riverside Sonoran (Colorado) Desert, S-facing fan on north side of Hayfield Lake, along road to pumping plant. 427 Comment
  POM161532  Phoradendron libocedri Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain. Comment
  RSA585786  Phoradendron villosum D. L. Banks, Steve D. Boyd 1995-5-9 411 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 Comment
  UCR94624  Physalis Rudy Ruibal 1996-8-9 s.n. Riverside Riverside: Residence of R. Ruibal Comment
  CHSC1928  Physalis crassifolia V. Holt 1935-4-16 Riverside Colorado Desert. Comment
  IRVC28190  Physalis crassifolia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11216 Riverside Choclate-Chuckwalla Mtns region; W base of the Choclate Mtns, small cyn, ca. 1.25 mi. N of Imperial Co. line and about 3.75 mi. W of aquaduct; accessed by dirt road off of main aquaduct road at siphon station. Within boundary of US Navy Choclate Mtn ... Colorado Desert Comment
  RSA718292  Physalis crassifolia Michael Honer, L. Hulse 2004-4-2 1873 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  UCSB44044  Physalis philadelphica Sanders, A. 1982-6-12 Riverside 422 Campus View Drive Comment
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May 21 2016
  RSA544441  Pilularia americana Steve Boyd, Timothy S. Ross, David Zippin, Tom Oberbauer 1991-6-14 6348 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  RSA757463  Pilularia americana R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55206 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  CAS-BOT-BC73184  Pinus jeffreyi A. C. Sanders 1995-11-26 17924 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Old house site on Tule Peak Rd., 1310 Comment
  UCSB74  Pinus lambertiana Haller, John 1950-5-20 Riverside San Jacinto Mtns., upper Strawberry Valley, parking area at foot of San Jacinto Peak trail 1767 Comment
  SEINET10833975  Pinus lambertiana James S. Miller 1992-5-8 Miller 7471 Riverside San Jacinto Mountains. 11 mi E of W boundary of San Bernadino National Forest on California route 74. 1300 Comment
  CAS-BOT-BC72840  Pinus quadrifolia John Thomas Howell 1960-3-24 35150 Riverside Covered slopes on road to Anza just S. of Palms to Pines Hwy. Comment
  JEPS48198  Pinus quadrifolia Carl V. Meyer 1929-6-18 786 Riverside on Coahuila to Idyllwild Road; San Jacinto Mts., Summit of Hamilton Grade Comment
  UCR88436  Pityrogramma triangularis A. C. Sanders, K. C. Rose 1995-4-5 16347 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR260576  Plagiobothrys arizonicus A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41539 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, southwest side of Temescal Canyon Rd. near El Hermano Road junction 313 Comment
  CLARK-A1528-339  Plagiobothrys californicus var. californicus Roberta H. Smith 1969-5-4 26 Riverside Lake Mathews 435 Comment
  SEINET272294  Plagiobothrys canescens A. C. Sanders 1997-3-1 19730 Riverside Box Springs Mins: Pigeon Pass cyn below Regulus Rd 0.6 mi W of Pigeon Pass Rd. 0.4 mi E of Bench Mark Table. UTM 10km 610 Comment
  UCR172214  Plagiobothrys canescens John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  OBI53612  Plagiobothrys collinus Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 and Indian Truck trl 381 Comment
  UCR135807  Plagiobothrys collinus A. C. Sanders, Guy Bruyea 2004-4-2 27440 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. 335 Comment
  CAS-BOT-BC334461  Plagiobothrys collinus var. californicus A. C. Sanders; John F. Green 2013-3-27 40684 Riverside Peninsular Range: Alberhill, dirt track NE of new sectionof Nichols Rd. S of Lake St. 433 Comment
  RSA543847  Plagiobothrys collinus var. fulvescens Steve Boyd, Orlando Mistretta 1991-5-22 6298 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA593879  Plagiobothrys collinus var. fulvescens Steve Boyd, Dave Bramlet 1996-4-19 8621 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  CLARK-A1528-2261  Plagiobothrys leptocladus John C. Roos 1966-3-24 Riverside Edgemont Comment
  SD239651  Plagiobothrys leptocladus Jeremiah George 2012-3-4 Riverside Peninsular Range; Elsinore Trough: Lake elsinore area, south of Nichols Rd and east of Baker St. (Lake Elsinore 7.5'Q) 387 Comment
  RSA741116  Plagiobothrys tenellus Scott D. White, Justin M. Wood 2008-6-18 12242 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UCR193289  Plagiobothrys tenellus A. C. Sanders, Tim Thomas 2008-6-20 35549 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR155053  Plagiobothrys undulatus Jason L. Hlebakos 2005-5-18 700 Riverside Santa Rosa Plateau, Pool on E side of Mesa de Burro, above upper end of Miller Canyon 610 Comment
  RSA556463  Plantago bigelovii subsp. californica Julie Greene 1993-4-30 1245 Riverside San Jacinto Wildlife Area. South of visitors center, by waterfowl kiosk, east of Davis Road. 433 Comment
  UCR16545  Plantago elongata O. F. Clarke, E. W. Lathrop 1966-5-10 s.n. Riverside Peninsular Range; Santa Ana Mtns., near lake on Mesa de Colorado 628 Comment
  CLARK-A1528-3431  Plantago erecta John C. Roos 1937-2-21 1311 Riverside Riverside Comment
  RSA401988B  Plantago erecta Ora M. Clark 1929-3-2 1596 Riverside Near Alberhill Comment
  RSA612953  Plantago erecta D. L. Banks 1997-3-29 1622 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
  RSA502521  Plantago major Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3576 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA793409  Plantago ovata Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3942 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 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
  RSA4909  Plantago ovata var. fastigiata Carl B. Wolf 1932-4-27 3025 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 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
  RSA757782  Plantago patagonica LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4305 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA596160  Platanus racemosa D. L. Banks 1996-11-7 1213 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  UCR224260  Platanus racemosa Robt. L. Allen, Fred M. Roberts 2007-6-22 s.n. Riverside San Jacinto Mtns. Foothills, SE of Hemet, Bautista Cyn, c. 4 road mi SE of jct Bautista Cyn Rd & Fairview Ave. 727 Comment
  UC218247  Platystemon californicus P. A. Munz and I. M. Johnston 1922-5-20 5457 Riverside Kenworthy; San Jacinto Mts., Kenworthy 1402 Comment
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Mar 25 2011
  RSA780237  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-12 94 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  UC578616  Pleuraphis rigida H. S. Yates 1936-4-7 5431 Riverside 10 mi e Whitewater; Thermal Quad., e of Whitewater Comment
  RSA0034642  Pleurocoronis pluriseta Scott D. White 2001-4-17 8334 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
  SBBG53816  Pleurocoronis pluriseta E. A. Cardiff 1968-2-25 Riverside S side of Painted Cyn in Mecca Hills Comment
  UCR113443  Pleurocoronis pluriseta Eugene Cardiff 1968-2-25 s.n. Riverside Western Colorado Desert, Painted Canyon, Mecca Hills 61 Comment
  RSA472111  Pluchea odorata Lester H. Cushman 1931-10 14036 Riverside Santa Ana River near Riverside, streamside Comment
  RSA615394  Pluchea sericea A. C. Sanders 1997-3-19 20033 Riverside Lake Skinner area, S foot of Bachelor Mtn, across the northern arm of the lake from the boat ramp. 457 Comment
  CLARK-A1528-84  Poa annua Fred B. Essig 1964-2-20 15 Riverside La Sierra 609 Comment
  RSA586100  Poa annua D. L. Banks, Steve Boyd 1995-4-5 140 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, along the Dripping Springs Trail., 33 deg 27' 20''N-116 deg 58' 26''W. 646 Comment
  UCR182092  Poa infirma Tom Chester 2005-5-3 606 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Beginning of Vista Grande Trail near intersection with Granite Loop Trail, ~0.2 miles (0.3 km) from Visitor Center 535.4 Comment
  RSA740652  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12268 Riverside Meadows at Baldy Mtn. 1585 Comment
  RSA741114  Poa pratensis Scott D. White, Justin M. Wood 2008-6-18 12239 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UCR201469  Poa pratensis Scott D. White, Justin M. Wood 2008-5-15 12011 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR201480  Poa pratensis Scott D. White, Justin M. Wood 2008-6-16 12106 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  RSA753938  Poa secunda W. Schlegel, Andrew Trouette, Jordan Zylstra 2009-4-16 29 Riverside Idyllwild, Garner Valley Naked Noses. Comment
  RSA614165  Poa secunda subsp. secunda D. L. Banks 1997-2-23 1312 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCD91691  Poa secunda subsp. secunda J. G. Lemmon 1888-4-14 s.n. Riverside Elsinore. Comment
  POM153378  Polygonum amphibium var. emersum P. A. Munz, I. M. Johnston 1928-9-12 11261 Riverside Temescal Canyon, Lee's Lake. Comment
  RSA518290  Polygonum argyrocoleon George K. Helmkamp 1989-9-16 s.n. Riverside ca. 1/2 mi. S of Hwy I-8 W of Blythe, at Seeley Rd. and state Hwy 78. QH 0N, 1E 75 Comment
  UC56641  Polygonum lapathifolium H. M. Hall Aug. 1901 Riverside Vicinity of Riverside 304 Comment
  RSA29893  Polygonum punctatum Louis C. Wheeler 1932-9-4 1320 Riverside Santa Ana River at Chino Creek. 183 Comment
  SEINET6050850  Polygonum ramosissimum Unknown 1955-6-10 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  SEINET10602413  Polypogon interruptus Hall 1900-5-29 Hall 1384 Riverside Comment
  SD137943  Polypogon monspeliensis Darin L. Banks, Steve Boyd 1995-10-17 768 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground, N of where the Arroyo Seco turns to the E Comment
  SD234028  Polypogon monspeliensis Nancy Ryan Zabriskie 1973-3-21 593 Riverside Deep Canyon, north slope, Santa Rosa Mountains. In front of Deep Canyon Research Center building. 292 Comment
  UCR96862  Polypogon monspeliensis Scott D. White 1993-4-30 1316 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  RSA659198  Polypogon monspeliensis M. Duke, Christy Hightower, C. McElroy 1982-5-15 13 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  SEINET10793989  Polystichum imbricans subsp. curtum George Yatskievych, Kay McCrary 1984-7-30 Yatskievych 84 -119a Riverside 0.6 mile S of Fuller Mill Creek Picnic Grounds on state Route 243; granitic side ravine of North Fork of San Jacinto River. T04S R02E S26 NE4. 1676 Comment
  JEPS64552  Populus fremontii subsp. fremontii I. T. Weeks 1930-3-30 Riverside 13 mi e and 5 mi n Shavers Well (Eagle Mts.); , n of Shavers Well Comment
  SD233936  Populus fremontii subsp. fremontii LeRoy Gross, Bart OBrien 2013-3-18 5951 Riverside Coastal Plains & Basins; San Bernardino Basin region: Fairmount Park, west side of Lake Evans, Riverside, NE of Mount Rubidoux (Riverside West 7.5'Q). 238 Comment
  CAS-BOT-BC356160  Porophyllum gracile Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2206 Riverside Northwest end of the McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR160449  Potamogeton T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  RSA0005686  Potentilla hassei H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto Mountains. Comment
  CAS-BOT-BC356218  Prenanthella exigua Annie M. Alexander; Louise Kellogg 1941-5-23 2221 Riverside Colorado Desert. 3.5 miles northeast of Cottonwood Spring, Eagle Mountains 762 Comment
  RSA0013895  Proboscidea althaeifolia Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10062 Riverside Colorado-Mojave Desert transition, Little Maria Mountains: Bajada at southwest end of Rice Valley, along Midland Road, just north of pass between Little Maria and Big Maria mountains. 274 Comment
  LA47457  Prosopis glandulosa var. torreyana Harlan Lewis; 1936-4-18 sn Riverside San Bernardino Mountains, White Water 457 Comment
  SBBG68559  Prosopis glandulosa var. torreyana M. N. Ackley 1928-3-25 613 Riverside Indio -6 Comment
  SFV7924  Prosopis glandulosa var. torreyana T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1287 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  POM296515A  Prunus fasciculata Lyman D. Benson 1954-5-2 15277 Riverside Hidden Valley Camp, Joshua Tree National Monument. Mojave Desert Drainage Area. 1341 Comment
  UC217878  Prunus fremontii P. A. Munz 1922-3-12 4707 Riverside Palm Springs, Andreas Canyon Andreas Canyon; Palm Springs, Andreas Canyon Comment
  UCR4035  Prunus fremontii Val Chase 1965-3-7 8 b Riverside Peninsular Range/Sonoran (Colorado) Desert, 15 miles south of Palm Desert on the Palms to Pines highway 1067 Comment
  RSA454142  Prunus ilicifolia Gale Sphon 1955-5-21 s.n. Riverside 3 miles south of Banning. Comment
  RSA613148  Prunus ilicifolia subsp. ilicifolia D. L. Banks 1997-4-5 1656 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  CAS-BOT-BC356347  Psathyrotes ramosissima H. M. Hall 1905-4-1 5864 Riverside Nr. Chuckawalla [Chuckwalla] Comment
  UCR241715  Psathyrotes ramosissima Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 56 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCR100628  Pseudognaphalium biolettii A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19895 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  CAS-BOT-BC356793  Pseudognaphalium californicum A. C. Sanders 1997-3-19 20007 Riverside Lake Skinner area: slopes N of Tucalota Creek ca. 3/4 mi. (1.25 km) E of the lake 470 Comment
  POM14280  Psilocarphus brevissimus P. A. Munz 1922-4-29 5065 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  UCR155087  Psilocarphus brevissimus A. C. Sanders, Kelly Volansky 2005-3-17 29232 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
  SD247348  Psilostrophe cooperi A. C. Sanders 2015-9-11 41868 Riverside Sonoran (Colorado) Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline rd. Large wash. 646 Comment
  UC69025  Psilostrophe cooperi H. M. Hall Apr 1905 5890 Riverside Chuckawalla Bench Colorado Desert Comment
  RSA698727  Psoralea E. Crow 1930-5-17 s.n. Riverside Shaver's Well Comment
  UCR29643  Psoralea californica Wende Rehlaender 1983-5-28 115 Riverside Peninsular Ranges, Santa Rosa Mountains, Pinyon Flats Campground, c. 13.5 mi. along Hwy 74 from Palm Desert; 3.5 mi. north of Santa Rosa Mountain, 3 mi. south of Asbestos Mountain Comment
  UC73147  Psorothamnus arborescens var. simplicifolius R. J. Smith 1904-1 308 Riverside near Palm Springs (Colo. Desert, Southern California); Colo. Desert (Colorado Desert), near Palm Springs Comment
  UCR35008  Psorothamnus arborescens var. simplicifolius L. B. Ziegler 1968-6-3 305 Riverside San Jacinto Mtns., Bautista Canyon, near mouth of canyon 640 Comment
  POM122372  Psorothamnus emoryi Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Colorado Desert. Comment
  SEINET2063866 Image available Psorothamnus emoryi P. Leary 1975-4-27 1115 Riverside One mile SE of Pinto Wells, Joshua Tree National Monument. 365 Comment
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Dec 3 2014
  UCD108315  Psorothamnus emoryi Lewis S. Rose 1959-1-9 59005 Riverside Palm Springs. 30 Comment
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Apr 20 2013
  HSC66542  Psorothamnus schottii Christopher Davidson 1979-4-4 7690 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
  POM1898  Psorothamnus schottii Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. Comment
  UCSB3061  Psorothamnus schottii Keator, Glenn 1959-5-17 Riverside Border of Colorado desert along Palm to Pines highway Comment
  POM96856  Psorothamnus schottii Philip A. Munz 1926-1-1 10816 Riverside Thousand Palms. Comment
  POM47617  Psorothamnus spinosus M. French Gilman 1924-07 s.n. Riverside Near Palm Springs. Comment
  CAS-BOT-BC72618  Pteridium aquilinum Carl B. Wolf 1932-8-4 3911 Riverside San Jacinto Mts., Point View, near Idyllwild 1645 Comment
  RSA262103  Pterostegia drymarioides E. W. Lathrop 1969-5-8 7012 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA757636  Pterostegia drymarioides LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4318 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
  UC1292598  Pterostegia drymarioides C. L. Hitchcock and C. V. Muhlick 1964-3-17 23079 Riverside 8 mi. s.e. Corona (along rd. to Elsinore) Comment
  UCR127328  Pterostegia drymarioides A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25836 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR21940  Pterostegia drymarioides Steve Boyd 1980-4-8 104 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR276077  Pterostegia drymarioides T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3796 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  UCR264642  Quercus Mitch Provance 2012-4-27 412- 21 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCR169495  Quercus X morehus Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 85 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  JOTR32952  Quercus X munzii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 304 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Live Oak Picinic Area; coarse sandy wash with granitic outcrops Comment
  LA43656  Quercus agrifolia Robert G. Engman; Riverside San Jacinto Mountains Comment
  SEINET10957811  Quercus agrifolia var. agrifolia Greg Gust, Leith Nye 2005-3-11 Gust 552 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UCR30819  Quercus agrifolia var. oxyadenia John C. Roos 1937-8-19 358 Riverside San Jacinto Mtns, near Ribbonwood, Palms to Pines Hwy. Comment
  SD186232  Quercus berberidifolia A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24970 Riverside Laborde Canyon and adjacent slopes and side canyons, 1.0 mile east of Mt. Eden, southwest of Beaumont. 548 Comment
  UCR241939  Quercus berberidifolia A. C. Sanders, Timothy W. Chumley 2013-4-5 40776 Riverside Peninsular Range, Temescal Canyon, east of Glen Ivy near where Temescal Canyon Rd. passes under I-15 318 Comment
  UCR94888  Quercus berberidifolia G. R. Ballmer, K. T. Stockwell 1996-9-22 s.n. Riverside Murrieta, Warm Springs Creek, SE of Hogbacks 366 Comment
  SD229170  Quercus chrysolepis Dick Schwenkmeyer 2012-8-27 799 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  RSA502497  Quercus cornelius-mulleri Steve Boyd 1989-6-11 3739 Riverside Vail Lake area, S flank of Oak Mountain, N of the lake. 549 Comment
  UC1010215  Quercus cornelius-mulleri John C. Roos 1946-9-14 3018 Riverside e of Asbestos Mtn.; Santa Rosa Mts., Dos Palmos Spring 1066 Comment
  UCR23939  Quercus cornelius-mulleri John C. Roos 1946-10-5 3114 Riverside San Bernardino Mtns., Dry Morongo Canyon 732 Comment
  UCR60995  Quercus engelmannii B. G. Pitzer 1988-6-10 1054 Riverside Santa Ana Mtns., Rancho California area, Carancho Road near intersection with El Prado Road; c. 0.5 - 1 mi. SE of De Luz Road Comment
  UC219581  Quercus kelloggii P. A. Munz 1922-7-2 5943 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  UCD56592  Quercus palmeri Rudolph Fischer 1965-10-8 5 Riverside East foothills of Thomas Mountain. Santa Rosa range. Ca. 10 miles south of Keen Camp. State Highway 74. 1341 Comment
  RSA783166  Quercus wislizeni J. D. Olmsted 1962-5-3 3526 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 Comment
  RSA221005  Quercus wislizeni var. frutescens E. W. Lathrop 1966-5-29 6385 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA192183  Rafinesquia californica E. W. Lathrop 1966-5-1 6218 Riverside 2 miles west of Murrieta Comment
  JOTR32438  Rafinesquia neomexicana La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2269 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; near Squaw Tank; sandy flats among large granitic boulders and foothills (Stop 2) 1063 Comment
  JOTR33980  Rafinesquia neomexicana La Doux, Tasha, M. Harding 2010-4-7 2868 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  POM15166  Rafinesquia neomexicana Mary F. Spencer 1922-3-23 1127 Riverside Painted Canyon, Mecca, Colorado Desert -30 Comment
  POM34177  Rafinesquia neomexicana Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater, West Colorado Desert 305 Comment
  UCD135342  Rafinesquia neomexicana Robert C. Bechtel 1952-3-28 30 Riverside Whitewater. Comment
  UCR109642  Ranunculus aquatilis T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  RSA0019604  Ranunculus californicus var. californicus Julia McClure 1940-05 s.n. Riverside San Jacinto. [Presumably San Jacinto Mountains, not San Jacinto Valley or City of San Jacinto] Comment
  UC1618122  Ranunculus cymbalaria var. saximontanus Donald G. Nelson 1936-5-22 392 Riverside Pines to Palms Hwy, near base of Santa Rosa Mountains Santa Rosa Mountains Comment
  RSA0019611  Ranunculus eschscholtzii var. oxynotus P. A. Munz 1922-7-7 6042 Riverside San Jacinto Peak, near the summit. 3287 Comment
  SEINET1004379  Rhamnus crocea T. B. Salvato, Kent Beaman 2005-1 859 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from Forest Service boundry and N of CA Hwy 74 549 Comment
  UC1929671  Rhamnus crocea Scott D. White 2001-3-27 8169 Riverside BADLANDS: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ Theodore St. Adjacent to County Landfill. Comment
  UCR100031  Rhamnus crocea A. C. Sanders, G. Helmkamp 1997-3-15 19976 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  UCR172218  Rhamnus crocea John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  RSA643450  Rhamnus ilicifolia A. C. Sanders 1995-11-26 17909 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, S of Hwy 371. Small cyn crossing Spanish Spur Trail ca. 0.1 mi. N of Deer Spr. Trail, 0.2 mi N of Kearsarge Rd. 1189 Comment
  SBBG87983  Rhamnus ilicifolia L. F. LaPre, J. Easton 1988-1-27 Riverside Santa Rosa Springs Ranch, Santa Rosa Plateau Comment
  UCR133434  Rhamnus ilicifolia Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 449 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA0027937  Rhamnus ilicifolia John F. Emmel 1992-5-16 1222 Riverside Elsinore Mts: Ridgetop along Main Divide Road, 0.7 air mi east of El Cariso Guard Station. 902 Comment
  SD119922  Rhododendron occidentale Louis B. Ziegler 1969-7-3 384 Riverside San Jacinto Mountains, North Fork of the San Jacinto River. 1890 Comment
  CAS-BOT-BC168116  Rhus aromatica P. C. Everett 1935-6-18 7181 Riverside Santa Ana Mts., main divide highway to Santiago Pk., 1 mi. from Ortega Highway 731 Comment
  CAS-BOT-BC170428  Rhus lancea A. C. Sanders; G. Helmkamp 1996-3-17 17982 Riverside Palm Springs, W side of Palm Canyon Dr. just above (S of ) junction with Hwy 111 - Coachella Valley 140 Comment
  UCR159255  Rhus laurina A. C. Sanders, Kelly Volansky 2005-8-31 31593 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
  CHSC26488  Rhus ovata James Henrickson 1970-4-10 4530 Riverside 8 air miles ESE of Temecula along Hwy. 71-79; 542 Comment
  HSC101783  Rhus ovata J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13189 Riverside Along State Route 74 1227 Comment
  IRVC86  Rhus ovata Charley Ford 1965-4-20 s.n. Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  RSA403687  Rhus ovata E. Crow 1928-11-12 43 Riverside Morongo Valley, Colorado Desert. Comment
  CLARK-A1528-2406  Rhus trilobata John C. Roos 1948-5-15 3831 Riverside Eagle Mountains Comment
  UC195328  Rhus trilobata S. B. Parish 1906-5-13 10839 Riverside Cottenwood Spring; Colorado Desert Comment
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Sep 4 2011
  RSA336423  Rhus trilobata var. anisophylla R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52080 Riverside Just E of Palm Desert. Comment
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Apr 24 2011
  RSA476153  Ribes cereum Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
  CAS-BOT-BC173134  Ribes indecorum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23111 Riverside 10 miles n. of Pala, along road to Elsinore Comment
  CLARK-A1528-4129  Ribes indecorum John C. Roos 1947-3-15 3341 Riverside San Jacinto Mountains Comment
  POM305346  Ribes indecorum Henry J. Ramsey 1938-2-25 672 Riverside Temecula Comment
  RSA577519  Ribes indecorum D. L. Banks, Steve Boyd 1995-2-16 0047 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 731 Comment
  UCR106065  Ribes malvaceum A. C. Sanders 1994-1-30 14227 Riverside Box Springs Mtns., head of Two Trees Canyon 686 Comment
  UCR160774  Ribes malvaceum A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19772 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
  POM229020  Ribes quercetorum P. A. Munz 1937-5-31 15120 Riverside At Anza Table [Anza Bench] near head of Coyote Canyon. 1067 Comment
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Dec 17 2011
  UCR25403  Ribes quercetorum John C. Roos 1948-5-22 3864 Riverside Pass at the top of Reche Canyon 732 Comment
  SD229188  Ribes roezlii var. roezlii Dick Schwenkmeyer 2012-4-17 691 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UCR35281  Ribes roezlii var. roezlii L. B. Ziegler 1968-6-12 316 Riverside San Jacinto Mtns., Thomas Mountain, slopes below summit 2043 Comment
  RSA262064  Romneya coulteri E. W. Lathrop 1966-3-23 6079 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  RSA722426  Romneya coulteri Pomeroy 1929-5-11 s.n. Riverside Glenn Ivy Comment
  UC205829  Romneya coulteri I. M. Johnston 1918-5-30 2012 Riverside Temescal Canyon 365 Comment
  UCR274298  Romneya coulteri T. B. Salvato, Gregg Miller 2005-6-7 1438 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  CLARK-A1528-372  Rorippa nasturtium-aquaticum Margaret Ferro 1970-5-16 21 Riverside West Riverside 365 Comment
  UCR155937  Rorippa nasturtium-aquaticum John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  CAS-BOT-BC433586  Rumex hymenosepalus A. C. Sanders; Pam MacKay; E. J. Lawlor; C. L. Sanders 2000-3-19 23319 Riverside Shipley-Skinner Reserve area: Diamond Valley, off old Rawson Rd. N of Crown Valley, on future bed of Dia Val. Reservoir, now filling. 488 Comment
  RSA653322  Rumex pulcher Mitch Provance, A. C. Sanders 2000-7-4 2095 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  RSA589079  Rumex salicifolius var. denticulatus D. L. Banks, S. D. Boyd 1995-10-17 790 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  CAS-BOT-BC434151  Rumex triangulivalvis Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA543619  Sagina decumbens subsp. occidentalis Steve Boyd 1991-5-7 6154 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UC8370  Sagina saginoides H. M. Hall June, 1901 2203 Riverside water courses in vicinity of Strawberry Valley; San Jacinto Mts. 1615 Comment
  UC888146  Salazaria mexicana I. W. Clokey 1935-4-17 6967 Riverside Cottonwood Springs Comment
  POM2070  Salix exigua D. L. Crawford, I. M. Johnston 1917-6-9 1244 Riverside Santa Ana River near Corona. Comment
  SEINET10386575  Salix exigua P. A. Munz 1949-4-13 13046 Riverside Sonoran (Colorado) Desert, W end of Eagle Mountains, above Cottonwood Springs. 1097 Comment
  UC1979594  Salix exigua D. L Banks, Steve Boyd 1995-3-16 0091 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. Comment
  UCR87880  Salix exigua G. F. Pratt 1994-3-13 94- 5 Riverside Mojave Desert, Joshua Tree National Monument, N canyon off of Quail Mountain 1280 Comment
  SD137625  Salix exigua var. hindsiana Darin L. Banks, Steve Boyd 1995-3-16 101 Riverside Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage 555 Comment
  SD178250  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek. 377 Comment
  UCD110969  Salix gooddingii A. C. Sanders 1997-3-19 20037 Riverside Lake Skinner area: Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn. Comment
  POM2054  Salix laevigata I. M. Johnston 1918-5-30 1997 Riverside Temescal Canyon 366 Comment
  UC717265  Salix laevigata W. A. Setchell and Victor Duran 1935-4-17 8 a Riverside 14 mi from Hemet (on way to Aguanga) Comment
  SEINET272324  Salix lasiolepis A. C. Sanders, G Helmkamp 1997-3-15 19966 Riverside Lake Skinner Area; lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N. Skinner Reser 457 Comment
  UC5060  Salix lasiolepis H. M. Hall 1901-7-17 2444 Riverside Tahquitz Creek San Jacinto Mountains 1889 Comment
  UCR232060  Salix lasiolepis John F. Green 2008-4-23 07- 07 Riverside Peninsular Range, hills south of Perris, powerline route above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 439 Comment
  RSA0010975  Salix lasiolepis J. D. Olmsted 1959-7-16 764 Riverside At edge of dropoff in Tahquitz Canyon below Carumba east-northeast of Idyllwild 1707 Comment
  RSA92654  Salix lasiolepis F. W. Peirson 1933-4-14 10648 Riverside Road between Banning and Idyllwild. 1524 Comment
  UCR5944  Salix lutea var. watsonii David T. Wright 1966-5-16 s.n. Riverside San Jacinto Mtns, Lake Fulmor, between road and lake Comment
  CAS-BOT-BC176911  Salsola tragus T. C. Fuller 1975-11-6 20115 Riverside Northeast corner of Monroe Street & Interstate 10 freeway, Indio Comment
  RSA469673  Saltugilia splendens M. B. Dunkle 1937-3-25 4961 Riverside Dry Morongo. Comment
  CHSC781  Salvia apiana E. Thomas 1940-5-26 Riverside Pleasant Valley, Joshua National Monument. Comment
  UCD125454  Salvia apiana B. Pitzer 1997-4-20 3194 Riverside Lakeview Mountains: Warren Road, ca. 1/2 miles (airline) northeast of Contour Road. Just past turnoff to the water tank. 518 Comment
  UCR103172  Salvia apiana Scott D. White, Julie Greene 1997-3-12 4779 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  RSA69373  Salvia carduacea G. R. Campbell 1951-5-30 16142 Riverside Just east of Cahuilla. 1098 Comment
  SEINET7063433  Salvia carduacea A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502421mE, 3715161mN. (WGS84/NAD83). 575 Comment
  UC63764  Salvia carduacea H. M. Hall May 1899 Riverside San Jacinto Valley Comment
  UCR117101  Salvia carduacea A. C. Sanders, T. B. Salvato 2001-5-16 24308 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  OBI30185  Salvia columbariae Chris M. Johnson 1970-3-16 65 Riverside On hwy 77 5 mi outside of Corona at Rancho Hermano entrance Comment
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Mar 22 2014
  POM4128  Salvia columbariae Robinson, Crocker 1916-3-28 s.n. Riverside Santa Ana Mountains: Comment
  RSA401510A  Salvia columbariae Jeannette B. Edge 1934-3-25 s.n. Riverside Jurupa Mountains 549 Comment
  RSA649328  Salvia columbariae T. W. Niilus 1970-3-16 N 69 Riverside Collected 3mi NW of Alberhill. 396 Comment
  RSA651679  Salvia columbariae J. Bruce Smiley 1940-3-16 s.n. Riverside Whitewater. 762 Comment
  UCLA70055  Salvia columbariae O. A. Plunkett 1926-2-22 Riverside Morongo Pass; Colorado Desert 609 Comment
  UCR174625  Salvia columbariae Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 107 Riverside Peninsular Ranges, San Jacinto Mtns., Just south of Mt. Edna Rd. on Calif. Hwy 243 1143 Comment
  UCSB39326  Salvia columbariae Jorgensen, Jan 1982-3-21 Riverside South entrance to Joshua Tree National Monument 600 Comment
  RSA97250  Salvia eremostachya H. K. Buechner 1955-6-1 C- 111 Riverside 4.5 miles south of Palm Desert. north base of Santa Rosa Mountains. Comment
  RSA0043027  Salvia greatae Duncan S. Bell, Loraine Washburn 2014-4-8 6577 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
  RSA449941  Salvia greatae J. C. Roos 1958-3-29 s.n. Riverside Salt Creek Wash, 3 miles N of Coachella Canal on E base of Orocopia Mtns. 305 Comment
  RSA776183  Salvia greatae Amber Swanson, Duncan S. Bell 2011-3-20 249 Riverside N of the Bradshaw Trail between Coachella Canal Rd and Red Canyon. N of the Chocolate Mtns. 198 Comment
  SBBG120625  Salvia mellifera A. C. Sanders, T. B. Salvato, K. Volansky, M. Balk 2006-5-24 32530 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 579 Comment
  SBBG97213  Salvia mellifera W. L. Halvorson 1977-4-1 77 -224 Riverside 5 mi S of Temecula on Hwy S16 Comment
  RSA560376  Sanicula arguta Steve Boyd 1992-4-14 6806 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  UCR116848  Sanicula arguta A. C. Sanders, Steven R. Hill 2001-5-4 24144 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR158321  Sanicula crassicaulis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30064 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
  UCR219984  Sarcostemma cynanchoides A. C. Sanders, D. L. Sanders 2010-11-28 38701 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  LA88446  Sarcostemma cynanchoides subsp. hartwegii O. H. Kappler; 1945-6-15 874 Riverside Temescal Canyon, 5 mi. NW of Elsinore Comment
  UC729692  Sarcostemma cynanchoides subsp. hartwegii Carl B. Wolf 1932-4-29 3102 Riverside 20 mi. from Blythe (on Rice Rd.); e. Colorado Desert, w. edge Maria Mts. 152 Comment
  JOTR16554  Sarcostemma hirtellum Moore, Sue 1968-4-29 s.n. Riverside Joshua Tree National Park. NEAR OCOTILLO PATCH 609 Comment
  UCR112799  Schinus molle A. C. Sanders 1997-5-1 20617 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  RSA466562  Schismus barbatus Christopher Davidson 1973-4-1 1803 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA653143  Schismus barbatus A. C. Sanders, G. Helmkamp 1997-3-15 19922 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills., [UTM 10km cell: MH-9E, 1N. Skinner Reservoir] 549 Comment
  UC1551915  Schismus barbatus David Charlton 1988-2-18 1142 Riverside s of Joshua Tree National Park (s side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash, parallel to I-10, 1 mi e of Jct Dillon Rd & Fargo Canyon Rd); Little San Bernardino Mountains 609 Comment
  UCR20729  Schismus barbatus A. C. Sanders, Steve Boyd 1980-5-2 1386 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA522719  Schoenoplectus americanus Steve Boyd, Timothy S. Ross 1989-8-28 3810 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  POM14336  Schoenoplectus maritimus Phillip A. Munz 1922-4-29 5107 Riverside [Sedco] Station, south of Elsinore. Comment
  SBBG16541  Scrophularia californica P. H. Raven 1962-4-29 17486 Riverside Ortega Hwy, 1 mi above the east base 487 Comment
  UCR76064  Scrophularia californica B. G. Pitzer, Stu Hemstreet 1992-5-21 1944 Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  RSA748358  Scutellaria siphocampyloides Sarah J. De Groot, Naomi S. Fraga 2004-7-8 4388 Riverside San Jacinto Mountains: East of Idyllwild, vicinity of FS road 5S13, between Chimney Flats Road 5S06 and 5S24. 1463 Comment
  UCR101100  Scutellaria tuberosa G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  UCR269175  Sedum spathulifolium Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5011 Riverside San Jacinto Mountains, Strawberry Creek to the southwest of Strawberry Valley, c. 2.4 air miles southwest of Idyllwild 1534 Comment
  RSA683697  Selaginella bigelovii Louis Cutter Wheeler 1933-12-2 2298 Riverside Tahquitz Canyon 244 Comment
  SEINET7048061  Selaginella bigelovii Steven R. Hill 2001-4-29 33538 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  RSA747993  Selaginella eremophila Scott D. White, Justin M. Wood 2009-4-28 12596 Riverside City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA612914  Selaginella watsonii Louis Cutter Wheeler 1931-10-3 176 Riverside Tahquitz Peak, San Jacinto Mts. 2621 Comment
  UC489137  Senecio C. V. Meyer June 1927 212 Riverside foot of Idyllwild Grade San Jacinto Mts. 762 Comment
  UC1537031  Senecio californicus Gordon H. True 1935-3-11 77 Riverside Box Springs 365 Comment
  SEINET6692565 Image available Senecio douglasii Norman C. Cooper 1944-7-15 1605 Riverside Palms to Pines Hwy. San Jacinto Mountains. 1219 Comment
  CAS-BOT-BC327427  Senecio flaccidus var. douglasii J. W. Toumey 1894-9-27 s.n. Riverside Banning Comment
  UCR133412  Senecio flaccidus var. douglasii Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 319 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UC832992  Senecio flaccidus var. monoensis I. W. Clokey 1935-4-17 6937 Riverside Cottonwood Springs Comment
  RSA425136  Senecio mohavensis Steven A. Junak 1983-3-23 1625 Riverside East side of Jefferson Road, opposite entrance to Cahuilla Lake County Park, south of Indio. 0 Comment
  UC36015  Senecio triangularis H. M. Hall July 1901 2571 Riverside vicinity Deer Springs (San Jacinto Mountains, Southern California); San Jacinto Mountains 2743 Comment
  SD48392  Senegalia greggii E. K. Balls, P. C. Everett 1957-8-20 22664 Riverside Morongo Pass, 8.75 miles north along the road to 29 Palms from the junction with US Hwy 60/70/99, in dry rocky wash & cliffs 640 Comment
  HSC82846  Sesbania exaltata A. C. Sanders 1985-8-24 5950 Riverside Near Oasis, Hwy 195, ca. 1/2 mi. N of intersection with Hwy. 186 -52 Comment
  UCD108488  Sesbania herbacea Malcolm A. Nobs; S. Galen Smith 1948-9-3 500 Riverside Citrus grove, 2 miles north of Indio. Comment
  CAS-BOT-BC438211  Sesuvium verrucosum E. A. McGregor 1917-3-17 722 Riverside Colorado Desert. Agua Dulce Springs, N.W. corner of Salton Sea Comment
  UC665776  Sesuvium verrucosum Ira L. Wiggins 1941-3-24 9582 Riverside 3.5 mi s of Mortmar (along eastern margin of Salton Sea); Salton Sea Comment
  RSA776707  Sherardia arvensis Steve D. Boyd 2005-7-4 11633 Riverside City of Riverside, Wood Steets neighborhood, southeast of confluence of Arroyo Tequesquite and Santa Ana River, northeast corner of Brockton Ave. and Beechwood Place. 244 Comment
  UCR9809  Sherardia arvensis Paul D. Wood 1970-5-10 10 A Riverside City of Riverside, University of California campus, lawn north of Faculty Club building 259 Comment
  UCR216237  Sidalcea malviflora subsp. malviflora Mike Bell 2008-4-27 050 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 557 Comment
  UCR239203  Sidalcea malviflora subsp. sparsifolia Steven R. Hill, A. C. Sanders 2001-5-4 33717 Riverside Santa Rosa Plateau, Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 mi west of junction of Rancho California Road and Route I-15 509 Comment
  CAS-BOT-BC434390  Sidotheca trilobata John Thomas Howell 1927-8-2 2920 Riverside Near Idyllwild on road to Keen Camp, Mt. San Jacinto 1676 Comment
  UCR167866  Silene antirrhina T. B. Salvato, Melissa Clemons 2005-6-2 1352 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
  POM97126  Silene multinervia P. A. Munz 1925-5-20 9824 Riverside 2 miles west of Dripping Springs. 396 Comment
  CAS-BOT-BC389579  Silene parishii H. M. Hall 1901-7-1 2549 Riverside San Jacinto Mountains. Fuller's Mills Mountains 2194 Comment
  POM19801  Silene parishii var. viscida Mary F. Spencer 1923-7-15 2183 Riverside Tahquitz Peak Ridge 2439 Comment
  POM259190  Silene parishii var. viscida P. A. Munz 1938-8-13 15329 Riverside Rocky crest of ridge near Santa Rosa Peak. 2378 Comment
  RSA335004  Silybum marianum Steve Boyd 1985-7-30 1048 Riverside De Luz Rd. 7.8 mi west of Rancho California. Comment
  CAS-BOT-BC202945  Simmondsia chinensis Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  UCR244323  Simmondsia chinensis Jim Andre 2012-4-16 20923 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
  UCSB52657  Simmondsia chinensis Thorne, Robert 1978-4-23 Riverside PALMS TO PINES HIGHWAY: Along highway. Comment
  UCR151111  Sisymbrium altissimum Scott D. White 1999-5-28 7432 Riverside Peninsular Ranges/Perris-Aguanga Basin region/Gavilan Hills, Gavilan Hills, c. 3 air mi SE of junction of Cajalco Rd. and Gavilan Rd.; east of Juniper Rd. between Blue Sky Dr. and Celestial Dr 689 Comment
  CLARK-A1045-228  Sisymbrium erysimoides George K. Helmkamp 1978-3-27 Riverside Box Springs Mountains south base of mountain; Riverside East 7.5'Q Comment
  UCR97483  Sisymbrium erysimoides A. C. Sanders 1997-3-1 19702 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  SEINET3563034 Image available Sisymbrium irio Ed LaRue 1989-4-7 Riverside Woodcrest area: 1/2 mi. NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. Comment
  UCR167450  Sisymbrium irio 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
  UCSB44738  Sisymbrium irio Killeen, Diane 1980-3-9 Riverside On west side of Ca. 86 at junction with Avenue 66 -45 Comment
  RSA707979  Sisymbrium officinale Scott D. White, Angelia Carey 2004-5-7 10339 Riverside Indian Creek and adjacent foothills. 549 Comment
  UCR198197  Sisymbrium orientale Michael Honer, L. Hulse 2004-4-3 1912 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  UC218260  Smilacina stellata P. A. Munz 1922-7-6 6006 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  UCR250206  Solanum douglasii A. C. Sanders 2014-4-23 41059 Riverside Peninsular Range, Temescal Valley, between Temescal Canyon Rd. and I-15, NW of Bernard St. 373 Comment