Search Results — 2000 specimen records retrieved (1900 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229362  Abronia villosa John Thomas Howell 1928-3-11 3429 Riverside Six miles south-east of Garnet Station, Coachella Valley, Colorado Desert Comment
  CAS-BOT-BC229365  Abronia villosa L. R. Abrams 1908-7-21 s.n. Riverside Elsinore Comment
  CSUSB1069  Abronia villosa Dave Cerf 1971-4-18 Riverside White Water; Painted Hill- 2 miles north of White Water Canyon. 396 Comment
  CSUSB577  Abronia villosa P. A. Rauch 1966-2-19 Riverside 2 miles east of 1000 Palms Canyon at dirt road to Hidden Springs Ranch. 60 Comment
  JEPS79801  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-4-6 6609 Riverside Hemet 500 Comment
Read comments
Mar 24 2011
  RSA461193  Abronia villosa var. aurita Ora M. Clark 1929-2-24 1529 Riverside Cabazon, Colorado Desert. Comment
  SD148115  Abronia villosa var. aurita A. C. Sanders, Mitch Provance 1999-9-26 23086 Riverside San Jacinto Mountains: Lake Hemet, north shore at FS day use area. 1323 Comment
  UCR92303  Abronia villosa var. aurita Scott D. White, S. Ogg 1994-10-17 2488 Riverside SW Perris Basin, Temecula: Murrieta Creek channel directly west of Cherry Street 311 Comment
  POM6907  Acacia greggii P. A. Munz 1919-5-7 2743 Riverside Palm springs 183 Comment
  UC604867  Acacia greggii Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9563 Riverside Mecca Hills 2 mi up Painted Canyon; Mecca Hills Comment
  UCR75087  Acacia greggii A. C. Sanders 1992-4-4 12142 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SJSU5450  Acamptopappus sphaerocephalus R. C. McGehee 1970-4-30 247 Riverside 4 mi W of Corn Springs, Chuckwalla Mts, 18 mi SE of Desert Center Comment
  CAS-BOT-BC330625  Acer glabrum var. diffusum H. M. Hall 1901-7-1 2602 Riverside San Jacinto Mountains. Tamarack Valley 2286 Comment
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Jul 23 2018
  UC217887  Acer negundo var. californicum P. A. Munz 1922-6-24 5804 Riverside along upper parts of Pipe Creek San Jacinto Mts., , Pipe Creek (Hemet Valley) 1584 Comment
  UC472801  Acer negundo var. interior M. F. Spencer 1923-8-8 319 Riverside Pipe Creek Desert Mts., Pipe Creek Comment
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Mar 24 2011
  UC91276  Achillea millefolium A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. 2590 Comment
  CHSC35845  Achnatherum coronatum Paul Bailey 1972-5-14 124 Riverside 5 miles NE of Temecula near Rancho Calif. Drive, Tucalota Hills. 457 Comment
  CAS-BOT-BC260436  Achnatherum hymenoides H. M. Hall 1899-5-24 1163 Riverside San Jacinto Mountains. Van DeVenders 1371 Comment
  RSA487443  Achnatherum speciosum Jack Easton 1988-5-2 s.n. Riverside Anza area., Near 116d 45' W, 33d 29'N 1189 Comment
  JOTR34301  Achyronychia cooperi Andre, Jim 2012-4-11 20713 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  JOTR35356  Achyronychia cooperi Harding, Mitzi, M. Wheeler 2011-1-26 109 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, between NE Eagle Mountains and W Coxcomb Mountains along dirt road (STOP1) 267 Comment
  RSA423488  Achyronychia cooperi P. A. Munz 1932-3-14 11999 Riverside Palm Springs. 91 Comment
  UCD97895  Achyronychia cooperi Herbert L. Mason 1928-3-10 4177 Riverside Whitewater River. Comment
  LA47816  Acmispon argophyllus var. argophyllus K. Watkins; Elizabeth McClintock 1937-4-9 sn Riverside Riverside-Hemet road near Winchester turnoff Comment
  JOTR30228  Acmispon heermannii var. heermannii Leary, C. and Leary, Pat 1979-5-5 2981 Riverside Joshua Tree National Park. Among granite boulders above Lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6 Comment
  SD187404  Acmispon strigosus Scott D. White, Angelia Carey 2004-4-16 10174 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  UCR3464  Acourtia microcephala Tom Painter 1964-5-12 51264 3 Riverside Box Springs Mtns., Two Trees Canyon 445 Comment
  JOTR32433  Adenophyllum porophylloides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2281 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
  UC31367  Adenophyllum porophylloides H. M. Hall May 17 1901-Jun 1 1901 1835 Riverside East base San Jacinto Mountain 457 Comment
Read comments
Sep 17 2011
  UC667304  Adenophyllum porophylloides Annie M. Alexander and Louise Kellogg 1941-5-15 2181 Riverside in rock outcrop at base Eagle Mountains; Colorado Desert, Eagle Mountains 914 Comment
  UCR260524  Adenostoma fasciculatum T. B. Salvato 2014-5-29 8046 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  RSA180356  Adiantum jordanii E. W. Lathrop 1965-5-9 5733 Riverside 6 miles W of Murrieta. Comment
  RSA523501  Adiantum jordanii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-30 3961 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  SEINET10720797  Agave deserti Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-19 Meyer 21 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  RSA797247  Agrostis R. F. Thorne, Walter Wisura 1977-9-17 50785 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  CAS-BOT-BC127424  Agrostis exarata Peter H. Raven; R. Snow 1957-7-26 1110 Riverside 2.0 miles south of Vista Grande Ranger Station, Banning-Idyllwild road, San Jacinto Mountains. Comment
  RSA384966  Agrostis exarata E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  SD260152  Agrostis idahoensis Mitch Provance 2015-7-23 715 5 Riverside San Jacinto Mountains: Fern Valley, Strawberry Creek, vicinity of Rim Rock drive (San Jacinto Peak 7.5'Q) 1866 Comment
  UC36982  Agrostis idahoensis H. M. Hall 1901-7-9 2363 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley 2438 Comment
  CAS-BOT-BC139098  Agrostis pallens Scott D. White; Mike Wilcox 1995-7-11 3462 Riverside Northeast Santa Ana Mountains. Southwest of Main Divide Truck Trail, upper forks of Decker Canyon. 731 Comment
  RSA674734  Agrostis pallens Scott D. White, K. Szabo 2000-5-31 7986 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  RSA469422  Aliciella latifolia M. B. Dunkle 1933-3-4 3055 Riverside Painted Canyon, Colorado Desert. 30 Comment
  CAS-BOT-BC500426  Allionia incarnata A. C. Sanders; Jim Malusa 2015-3-11 41393 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, Gasline Rd at jct with rd to Observation Point Slats, US Navy Chocolate Mts Aerial Gunnery Range 723 Comment
  POM98810  Allionia incarnata P. A. Munz 1926-1-31 9957 Riverside Dos Palmos [Palmas] Spring. Comment
  UCR163873  Allionia incarnata B. G. Pitzer 2000-11-4 4241 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  POM172031  Allium haematochiton F. M. Reed 1930-4-15 6814 Riverside Plateau south of Gavilan Peak. [Gavilan Plateau] Comment
  JEPS34548  Allium lacunosum W. L. Jepson May 17 1901-Jun 1 1901 1392 Riverside Palm Canyon to Van de Venter's 1280 Comment
  SBBG92807  Allium munzii S. Boyd 1986-4-22 1781 Riverside N of summit of Estelle Mtn, Gavilan Hills; T5S R5W NE1/4 NE 1/4 S5 841 Comment
  UCR22054  Allium munzii Steve Boyd 1980-5-8 214 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UC1537191  Allium praecox Gordon H. True Jr. 1935-2-20 8 Riverside Box Springs, mouth of Sycamore Canyon Sycamore Canyon, Box Springs 365 Comment
  CDA7116  Allium subhirsutum A. C. Sanders 1998-4-12 21752 Riverside Yard of residence at 5081 Magnolia Ave, corner of Chapman Place, Riverside. Comment
  UCR16653  Allophyllum divaricatum Frances McKinley 1968-5-4 680305- 4 Riverside San Jacinto Mtns., slope 2.8 mi up Banning-Idylwild Road on S side 915 Comment
  RSA761165  Alnus rhombifolia Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 699 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SD80158  Alnus rhombifolia Nancy Ryan Zabriskie, Walter Zabriskie 1971-2-13 339 Riverside East slope San Jacinto Mountains, Andreas Canyon, north bank 100 yards upstream from crossing below Clubhouse 305 Comment
  SDSU13508  Alnus rhombifolia W. Miller with C. Mosse 1972-7-19 Riverside 200 yards upstream of river, south side (from beaver dam). Comment
  UCR142773  Alnus rhombifolia I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 274 Comment
  UCR54451  Alnus rhombifolia A. C. Sanders, E. J. Lawlor 1988-10-22 8726 Riverside Santa Rosa Mtns, Pinyon Flats Area, along Horsethief Creek where the trail from the Dolomite Mine Crosses. 1100 Comment
  JEPS123742  Aloysia wrightii J. Andre, T. La Doux 2008-9-16 10685 Riverside Joshua Tree National Park: JTNP: along Bell Mountain Road, atop Bell Mountain approx. 0.3 mi N of radio tower. Queen Mountain 7.5' USGS Quad. Comment
  CDA3243  Amaranthus blitum A. C. Sanders 2001-11-25 24887 Riverside Moreno Valley, Home Depot at Pigeon Pass Rd. on north side of Hwy 60 Comment
  RSA653652  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23109 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  JOTR33808  Amaranthus fimbriatus La Doux, Tasha, B. Truesdell 2007-11-9 3325 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Canyon, near mouth of canyon along south park boundary (STOP 3) 635 Comment
  JOTR36395  Amaranthus fimbriatus La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3347 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  UCR272652  Amaranthus fimbriatus Sarah J. De Groot, Amy Rouillard 2015-9-15 7556 Riverside Ford Dry Lake, Chuckwalla Valley north of Hwy I-10 107 Comment
  UCR281091  Amaranthus fimbriatus Michael D. Wilcox 2017-4-18 s.n. Riverside Sonoran (Colorado) Desert, 1 mile long segment of Palm Canyon Wash, centered on Hwy 111 crossing, city of Palm Springs 165 Comment
  UCR26460  Amaranthus hybridus A. C. Sanders 1981-10-31 2393 Riverside McKinley St. between Riverside & Corona, 0.3 mi north of Hwy 91 & c. 100 yards west of McKinley 305 Comment
  SD146059  Amaranthus palmeri Mitch Provance 1998-9-5 1028 Riverside City of Riverside; Hillside area,. along the south side of Dewey Street between Streeter Ave. and Palm Ave. 238 Comment
  SD187323  Amaranthus palmeri Scott D. White, Angelia Carey 2004-9-16 10756 Riverside San Jacinto Mountain foothills: Roadside, intersection of Soboba Road and Castile Canyon Road. 509 Comment
  UCR110377  Amaranthus retroflexus A. C. Sanders, Mitch Provance 1999-9-26 23116 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  CDA9954  Ambrosia acanthicarpa R. D. Goeden 1966-10-27 s.n. Riverside UCR Campus Comment
  CAS-BOT-BC22583  Ambrosia dumosa Donald W. Kyhos 1960-3-26 60 -17 Riverside Whitewater Canyon Comment
  CAS-BOT-BC22599  Ambrosia dumosa C. L. Hitchcock 1940-3-29 5860 Riverside Cottonwood Canyon, ca. 100 yards E of spring Comment
  RSA761081  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-20 148 Riverside W of Palen/ McCoy Wilderness. Intersection of Hwy 177 and Palen Pass Rd (kiosk). 366 Comment
  SD229057  Ambrosia dumosa Dick Schwenkmeyer 2012-11-6 861 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UC1979834  Ambrosia dumosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 986 Riverside Mojave Desert; Southcentral Mojave Desert region: Iron Mountains, on southwest side of mountains in drainage on either side of the road. Comment
  UC1979837  Ambrosia dumosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 946 Riverside Mojave Desert; East Mojave Desert region: Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains. Comment
  UC596615  Ambrosia dumosa Rensselaer J. Smith 1900-1 317 Riverside Conchilla Desert Comment
  UCD128788  Ambrosia dumosa William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  RSA605292  Ambrosia pumila D. E. Bramlet 1997-7-18 2575 Riverside Nichols Road Wetland Area: The site is located approximately 7.5m northwest of Nichols Road and 91m west of Alberhill Creek. This locality is approximately 366m southwest of the I-15 Freeway. 117 Comment
  UC898000  Ambrosia salsola I. W. Clokey 1935-4-17 6986 Riverside Cottonwood Springs Comment
Read comments
Oct 9 2010
  UC494556  Ambrosia salsola var. pentalepis Philip A. Munz 1932-3-4 11972 Riverside sandy wash of Deep Canyon; Coachella Valley Comment
  UCR64263  Ammannia coccinea Scott D. White 1990-9-25 s.n. Riverside Santa Rosa Plateau, c. 5 mi (airline) SW of Temecula, on Via Yerba Road, east of Via Vaquero Road 415 Comment
  RSA559339  Amorpha californica Steve Boyd, T. S. Ross 1992-5-15 7403 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
  RSA709852  Amsinckia intermedia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4632 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  UCR214547  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37860 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  RSA0089620  Amsinckia intermedia W. Wisura, A. King, L. Newcomb 1992-4-10 4675 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. 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
  UCR152528  Amsinckia tessellata A. C. Sanders 2005-4-22 29595 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  SEINET7063025  Amsinckia tessellata var. gloriosa A. G. Vestal 1962-3-29 s.n. Riverside About 4.6 miles northeast of Murieta. UTM Zone 11, 487800mE, 3712252mN. (WGS84/NAD83). 346 Comment
  UC68710  Amsinckia tessellata var. tessellata H. M. Hall Apr. 1905 5860 Riverside Canyon Springs; Colorado Desert Comment
  RSA0104452  Amsonia tomentosa Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-3-5 7761 Riverside Chuckwalla Mountains; a side canyon off of Irish Wash, approximately 1.5 air miles southwest of Aztec Well. 696 Comment
  RSA500988A  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3107 A Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  CAS-BOT-BC400335  Anemopsis californica Carl B. Wolf 1939-5-31 3738 Riverside 1 mi. no.w. of Santa Ana River, 6 mi. from Corona on Chino road Comment
  CHSC110682  Antirrhinum coulterianum Dean Wm. Taylor 2003-5-7 18529 Riverside Lakeview Mountains, 0.4 air miles SSE of Nuevo Benchmark, under electrical transmission line corridor. 624 Comment
  RSA508012  Antirrhinum coulterianum Steve D. Boyd 1988-5-28 2296 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UCR146443  Antirrhinum coulterianum R. F. Thorne, Et al. 1969-6-24 38103 Riverside San Jacinto Mtns., San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  POM96988  Antirrhinum kelloggii Philip A. Munz 1926-5-2 10423 Riverside about rocks, 5 miles NW of Dripping Spring Comment
  CLARK-A1528-840  Antirrhinum nuttallianum Fred B. Essig 1967-5-7 Riverside Box Springs Mountains Comment
  UC444964  Antirrhinum nuttallianum subsp. nuttallianum Edmund C. Jaeger 1927-4-2 Riverside Box Springs Mountains Comment
  HSC85249  Apium graveolens Steve Boyd 1986-4-22 1728 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  SBBG95109  Apocynum cannabinum S. D. White 1990-7-22 Riverside E Millard Cyn trail, ca 0.25 mi SW of jct with trail to Kitching Pk Comment
  UCR97437  Apocynum cannabinum G. R. Ballmer, K. Stockwell 1996-6-1 s.n. Riverside E of Murrieta: Warm Springs Creek c. 1/2 way between Murrieta Hot Springs Rd. and Los Alamos Rd. 366 Comment
  UC9005  Aquilegia formosa H. M. Hall July, 1901 2417 Riverside San Jacinto Mtns 3261 Comment
  RSA0126210  Arabis glabra D. Charlton 1988-5-21 1965 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1829 Comment
  UC667363  Arabis glaucovalvula Annie M. Alexander and Louise Kellogg 1941-5-4 2110 Riverside Joshua Tree National Monument 1249 Comment
  CAS-BOT-BC409997  Arceuthobium campylopodum L. Helmkamp; G. Helmkamp 1999-11-16 5 -1 Riverside San Jacinto Mountains, at the W end of Garner Valley, 0.5 miles E of CA-74 on Apple Canyon Road, just NE of Lake Hemet 1341 Comment
  UC1929401  Arceuthobium campylopodum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8651 Riverside SAN JACINTO MTS: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. Comment
  RSA629159  Arctostaphylos Jon E. Keeley 1992-7-17 16789 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629354  Arctostaphylos glandulosa Jon E. Keeley 1992-6-12 15538 Riverside Road to Elsinore Pk., 1/2 km south of Elsinore Pk. 1000 Comment
  RSA629357  Arctostaphylos glandulosa Jon E. Keeley 1992-6-12 15541 Riverside Rd to Elsinore Pk., 1 km S of Elsinore Pk. Santa Ana Mtns. 950 Comment
  RSA629392  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19516 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629424  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16847 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  UCR277893  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42673 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Tenaja Rd. at north foot of Redonda Mesa, 0.65 km west of intersection with Corona Calle Camino 680 Comment
  UCR278160  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42668 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Squaw Mountain, Avenida Escala near Hacienda Dr. intersection, 2.35 air km east of Tenaja Guard Station 747 Comment
  JEPS42546  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1929-4-1 Riverside e side of river North Fork San Jacinto 1219 Comment
  RSA629350  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1992-6-12 15540 Riverside Rd to Elsinore Pk., 1 km S of Elsinore Pk. Santa Ana Mtns. 950 Comment
  SD180712  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-8-2 395 Riverside Santa Margarita Ecological Reserve, east of 'Highlands Trail' on mesa top, near weather station, among boulders. 640 Comment
  RSA629376  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16858 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA608235  Arctostaphylos glandulosa subsp. zacaensis Steve Boyd, Bart O'Brien 1998-1-13 10069 Riverside Santa Ana Mountains: north end of the range, ESE of Sierra Peak along Main Divide Road (3S04), ca. 0.6 mi from summit of peak on divide between Fresno and Fremont canyons. 914 Comment
  UC876570  Arctostaphylos glandulosa subsp. zacaensis I. W. Clokey and E. G. Anderson 1935-4-16 7888 Riverside Hemet 900 Comment
  UCD105729  Arctostaphylos glandulosa var. adamsii T. Scott; A. Townesmith, K. M. Meyer 2007-3-15 130 Riverside San Bernardino National Forest. 9.4 mi. S on 243 (Palms to Pines National Scenic Byway) from US 10. Along side of road at pull-off before Diamond Zen Rd. 1298 Comment
  RSA631729  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19291 Riverside Highway 79, at Radec. 580 Comment
  RSA631820  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21810 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA631827  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16582 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA633553  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21795 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633566  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20156 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633759  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22652 Riverside Road to Santa Rosa Mountain. 2000 Comment
  POM122257  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UC876400  Arctostaphylos pringlei subsp. drupacea I. W. Clokey and E. G. Anderson 1935-8-21 6784 Riverside Fuller's Creek 1500 Comment
  SDSU2818  Arctostaphylos pringlei var. drupacea F. Young Berg 1933-8-28 1218 Riverside Near Inspiration Pt. near Idyllwild Pines, San Jacinto Mts. Comment
Read comments
Mar 10 2014
  RSA635769  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16542 Riverside Red Mountain Road, 8.7 km east of R3. 1000 Comment
  UC527314  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside ridges near Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
Read comments
Mar 24 2011
  RSA636165  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19465 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  SD180724  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 407 Riverside Santa Margarita Ecological Reserve, along A!Highlands TrailA(r) at northern rim of mesa-top. 654 Comment
  UCR21915  Arenaria douglasii Steve Boyd 1980-5-8 211 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  RSA0123182  Argemone munita Duncan S. Bell, LeRoy Gross 2016-3-30 9170 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  UCR133418  Argemone munita Mitch Provance, J. S. Ross 1998-3-27 MOR- 938 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, S entrance to Hathaway Cyn., near the corner of Verdugo Rd. and Hathaway Cyn. Rd. 732 Comment
  CAS-BOT-BC401677  Argemone munita subsp. munita Gerald B. Ownbey; Findley Ownbey 1954-6-24 2170 Riverside .1 mile w. of Radec 516 Comment
  RSA221051  Argemone munita subsp. robusta E. W. Lathrop 1966-5-8 6403 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  CAS-BOT-BC207130  Argythamnia lanceolata F. W. Peirson 1921-3-23 2805 Riverside Deep Canyon Wash, 12 miles southeast of Palm Springs, Colorado Desert 152 Comment
  RSA786536  Aristida adscensionis C. P. Cowan 1978-4-23 1225 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  RSA793416  Aristida adscensionis Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3948 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  UC815565  Aristida adscensionis C. L. Hitchcock 1940-3-30 5878 Riverside Cottonwood Spring Comment
  HSC78527  Aristida purpurea J. C. Roos 1966-4-29 Riverside Hills between March AFB and Lakeview Comment
  RSA781413  Aristida purpurea Duncan S. Bell 2011-10-22 2993 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
  UCD56533  Aristida purpurea var. fendleriana Peter H. Raven 1958-5-18 13003 Riverside San Jacinto Mountains, Pinyon Flats. Comment
  RSA129291  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6723 Riverside Head of Deep Canyon. 1220 Comment
  UCR95423  Aristida ternipes var. gentilis D. L. Banks, Dylan Hannon 1996-5-3 0984 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills south of Hwy 79; east of the Dripping Spring Campground; c. 300 m east of the Dripping Springs Guard Station 488 Comment
  RSA655605  Artemisia annua O. F. Clarke 1998-9-22 s.n. Riverside Box Springs Mtns. foothills, weed in the yard at 266 Frost Court, just east of UCR 396 Comment
  POM178577  Artemisia californica Marcus E. Jones 1930-3-3 s.n. Riverside Santa Ana Mountains Comment
  SD137913  Artemisia californica Darin L. Banks, Steve Boyd 1995-10-17 766 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco. 515 Comment
  RSA653204  Artemisia douglasiana Mitch Provance, Steve Boyd 1999-9-14 1783 Riverside Riverside: Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp. 238 Comment
  SEINET269257  Artemisia ludoviciana M. A. Patten, S. J. Myers 1993-8-20 Riverside Along Tahquitz Creek and in neighboring creosote scrub behind the debris basin dam in Palm Springs 183 Comment
  SEINET2044543 Image available Artemisia ludoviciana subsp. redolens Dave Charlton 1986-12-26 652 Riverside Coxcomb Range at E end of Joshua Tree National Monument, northernmost West facing large canyon in the range, just north of Specter Peak. 915 Comment
  RSA417379  Artemisia spinescens Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  RSA676277  Asclepias albicans Scott D. White 2001-4-3 8234 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  SEINET12532072 Image available Asclepias albicans T. C. Aramqula 1966-1 122 Riverside Base of Santo Rosa mountains on Palms to Pines HWY, 5 mi. South of Palm Desert Comment
  SJSU11075  Asclepias albicans R. C. McGehee 1970-4-14 182 Riverside E base of Coxcomb Mts, end of road 2.3 mi W of its junction with Desert Center-Rice Rd Comment
  UC1951126  Asclepias asperula Scott D. White, Justin Wood 2009-5-22 12894 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  RSA699312  Asclepias californica Pomeroy 1929-5-11 s.n. Riverside Between Lake Elsinore and Glenn Ivy. Comment
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Oct 22 2011
  UC154644  Asclepias erosa Rensselaer J. Smith May 1904 306 Riverside Palm Springs Comment
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Aug 27 2011
  UC22975  Asclepias erosa H. M. Hall June 1901 2111 Riverside along borders Colorado Desert (e base of mountains); San Jacinto Mountains Comment
  UCR23268  Asclepias erosa John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, 18 mi. west of Blythe 122 Comment
  CDA39816  Asclepias subulata W. E. Henson Nov 1937 s.n. Riverside Blythe. 0 Comment
  POM123014  Asclepias subulata Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms Comment
  RSA682078  Asclepias subulata Scott D. White, Michael Honer 2003-4-30 9130 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  RSA69917  Asclepias subulata F. W. Peirson 1924-12-30 5420 Riverside Near mouth of Thousand Palms Canyon, Coachella Valley 91 Comment
  CSUSB407  Asparagus officinalis Randy Salstrom 1966-3-28 Riverside 50 yards west of north end of Canyon Crest Blvd., beside Gage Canal in Riverside (city). 274 Comment
  RSA5226  Aster alpigenus var. andersonii C. B. Wolf 1932-8-5 3953 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 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
  POM266080  Astragalus bernardinus C. L. Hitchcock 1940-4-3 5942 Riverside Between Cottonwood Springs and Pinto Basin. Comment
  POM97989  Astragalus bernardinus E. C. Jaeger 1926-4-15 s.n Riverside Desert Queen mine. 1220 Comment
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Nov 5 2011
  CAS-BOT-BC177530  Astragalus bicristatus Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mt., a short distance below summit Comment
  POM228205  Astragalus crotalariae A. M. Alexander, Louise Kellogg 1941-3-2 1881 Riverside Roadside 5 miles south of Valerie. Comment
  POM226881  Astragalus didymocarpus var. obispoensis L. R. Abrams 1935-4-7 13664 Riverside 2 mile SW of Perris. Comment
  SBBG3180  Astragalus douglasii H. and M. Dearing 1937-11-28 852 Riverside Santa Rosa Mtns Comment
  UC13446  Astragalus douglasii var. parishii H. M. Hall May 1899 1158 Riverside Van de Venter's San Jacinto Mountians, El Toro Region, Van de Venter's (in the El Toro Region, San Jacinto Mountains) 1371 Comment
  UCR120653  Astragalus gambelianus D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1789 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  CAS-BOT-BC186898  Astragalus insularis var. harwoodii C. L. Hitchcock 1940-4-4 5945 Riverside Pinto Basin Comment
  RSA0098334  Astragalus insularis var. harwoodii Marc A. Baker, Michelle Cloud-Hughes 2015-2-21 18273 Riverside 6.3 km ENE of Vidal Junction, 8 km SSW of Savahia Peak, 67 km NNW of Blythe. 306 Comment
  SEINET3127334  Astragalus lentiginosus var. coachellae H. M. Hall 1905-1 Riverside Comment
  UC397225  Astragalus lentiginosus var. coachellae G. B. Grant 1906-4-8 6714 Riverside Palm Springs Palm Springs (Southern California) Comment
  CAS-BOT-BC187487  Astragalus leucolobus Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain Comment
  JOTR29554  Astragalus palmeri Andre, Jim, Tasha LaDoux 2006-4-11 6741 Riverside Joshua Tree National Park. Lost Horse Employee Campground 1285 Comment
  RSA415418  Astragalus palmeri Mark Morris 1929-3-17 14926 Riverside Palm Canyon. Comment
  CAS-BOT-BC192822  Astragalus pomonensis M. E. Jones 1882-4-24 3166 Riverside San Jacinto Comment
  CAS-BOT-BC192825  Astragalus pomonensis C. F. B. 1904-4-5 4131 Riverside Hemit [Hemet] Comment
  SD181525  Astragalus pomonensis Scott D. White 1999-5-2 7284 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. Occasional in sandy soil. USGS Romoland 7.5' quad. 440 Comment
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Nov 26 2012
  UC574974  Astragalus pomonensis C. Epling and J. Ewan June, 1933 Riverside 5 mi above Corona (Temescal Canyon); , above Corona Comment
  RSA552696  Athysanus pusillus Steve Boyd 1992-2-26 6704 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA613330  Athysanus pusillus D. L. Banks 1997-3-6 1394 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Fiesta Grounds , east of Pechanga Creek along the northern fork of Pechange Creek at the eastern end of the Reservation. 424 Comment
  UCR91430  Athysanus pusillus Scott D. White 1995-3-30 2645 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCR101566  Atrichoseris platyphylla 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
  UC1929840  Atriplex canescens Scott D. White, Angelia Carey and Linda Archa 2004-8-5 10685 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Comment
  JOTR29268  Atriplex canescens subsp. canescens La Doux, Tasha 2005-8-17 1538 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1321 Comment
  RSA0078485  Atriplex canescens var. canescens Sarah J. De Groot, Duncan S. Bell 2015-9-21 7582 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Near Potrero Sping near head of Potrero Canyon, west of Dunn Road, northwest of Asbestos Mountain, southwest of Haystack Mountain. 1084 Comment
  RSA532567  Atriplex coronata var. notatior D. E. Bramlet 1991-5-7 2117 Riverside San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  RSA748735  Atriplex coronata var. notatior Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  UCR123604  Atriplex coronata var. notatior D. E. Bramlet 1999-6-26 2814 Riverside Peninsular Ranges; Perris-Aguanga Basin Region, Stowe Rd. vernal pool, c. 7.5 km west of Hemet; 245 m west of California Ave. & 100 m north of Stowe Rd. 455 Comment
  CAS-BOT-BC170258  Atriplex hymenelytra Roxana S. Ferris 1918-6-14 987 Riverside At Shavers Well, Box Canyon in Chocolate Mts. Comment
  UCR75092  Atriplex hymenelytra A. C. Sanders, E. J. Lawlor 1992-4-4 12097 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CAS-BOT-BC176533  Atriplex polycarpa Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  LA91313  Atriplex polycarpa Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside Box Canyon Comment
  RSA787597  Atriplex polycarpa Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks 2010-12-15 727 Riverside Palen Valley. Hwy 177. N of Desert Center. Site #2. 274 Comment
  SBBG81109  Atriplex serenana var. serenana S. Cantrell, W. Appleby 1985-9-19 Riverside Santa Ana River Regional Park, S side of river 207 Comment
  UCR139983  Atriplex serenana var. serenana A. C. Sanders 2004-8-10 28772 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  RSA736292  Atriplex suberecta Scott D. White, Justin Wood 2008-5-27 12031 Riverside North bound I-215 freeway corridor, S of San Jacinto River crossing. 431 Comment
  UCR114340  Atriplex triangularis Mitch Provance, S. D. Boyd 1999-9-14 1781 Riverside Riverside, Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  SDSU13514  Avena barbata W. Miller 1972-7-5 Riverside Comment
  SEINET6188286 Image available Avena barbata Orlando Mistretta, D. Bell, J. Beckman, J. England, K. Kane, J. Hall, C. McDonald, L. Reccia, L. Rodriguez, A. Sall, T. Tennant. 2010-1 4467 Riverside Transversa Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 488 Comment
  POM153384  Baccharis douglasii Philip A. Munz, I. M. Johnston 1928-9-12 11264 Riverside Santa Ana River, Onatrio-to-Corona road. Comment
  POM320339  Baccharis emoryi Patricia Wilder 1971-11-17 5320 Riverside Along the Santa Ana River at end of Pedlay Sreet, north of Norco. 198 Comment
  UCR106918  Baccharis pilularis D. L. Banks, L. Raz 1996-11-5 1148 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  UCR51355  Baccharis pilularis L. F. LaPre, Jack Easton 1988-1-12 s.n. Riverside Santa Rosa Plateau, Mesa de la Punta, Santa Rosa Springs Ranch 610 Comment
  RSA773194  Baccharis salicifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4891 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
  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
  SD137908  Baccharis sarothroides Darin L. Banks, Steve Boyd 1995-10-17 780 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area along lower Arroyo Seco. 515 Comment
  UC1303134  Baccharis sergiloides Carl B. Wolf 1932-10-12 4298 Riverside Pinyon Wells Little San Bernardino Mts., Conchilla Mts. 1219 Comment
  POM182202  Bahiopsis parishii Philip A. Munz 1932-4-24 12387 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  RSA0117830  Bahiopsis parishii Sarah J. J. De Groot, Grace Cho 2016-4-4 7769 Riverside Santa Rosa Mountains, southwest of Palm Desert, north of Alpine Village and Highway 74. Along Dunn Road between Haystack and Asbestos Mountains. 1233 Comment
  RSA20293  Bahiopsis parishii Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9550 Riverside Cottonwood Springs Canyon. Comment
  RSA33561  Bahiopsis parishii N. C. Cooper 1944-3-25 1012 Riverside Morongo Pass 457 Comment
  UCR260257  Bahiopsis parishii A. C. Sanders, Jim Malusa 2015-3-11 41409 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, side canyon draining from the NE into large canyon containing the Gasline Road, c. 2.5 miles north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  CAS-BOT-BC99959  Baileya pauciradiata S. B. Parish 1896-4-1 4125 Riverside Palm Springs, Colorado Desert Comment
  JOTR16564  Baileya pleniradiata Walters, Jim 1967-5-12 s.n. Riverside Joshua Tree National Park. EAST-WEST ACCESS ROAD TO LOST HORSE RANGER STATION Comment
  RSA28087  Baileya pleniradiata I. L. Wiggins 1941-3-27 9684 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA557871  Barbarea orthoceras Steve Boyd, Orlando Mistretta 1992-4-23 7059 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  RSA340188  Bebbia juncea R. F. Thorne, C. W. Tilforth 1980-5-28 54170 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
  RSA696874  Bebbia juncea J. Russell Bruff 1928-4-1 77 Riverside Whitewater Comment
  UCR109559  Bebbia juncea R. D. Goeden, Don W. Ricker 1980-3-20 s.n. Riverside Western Colorado Desert, Coachella Valley, Painted Canyon in the Mecca Hills 122 Comment
  RSA0034159  Bebbia juncea var. aspera M. Bourell 1987-4-14 3270 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca. 150 Comment
  RSA746821  Bebbia juncea var. aspera Michael Honer 2003-4-16 1833 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
  RSA793274  Bebbia juncea var. aspera Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 149 Riverside On Graham Pass Rd. just south of Graham Pass in the Chuckwalla Mtns. Wilderness. 456 Comment
  UC163734  Bebbia juncea var. aspera H. M. Hall 1901-6-1 2010 Riverside Canyon of the San Jacinto River, San Jacinto Mountains San Jacinto Mountains, Canyon of the San Jacinto River 762 Comment
  UC893872  Bebbia juncea var. aspera I. W. Clokey 1935-4-17 6966 Riverside Shavers Wells Comment
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Dec 13 2011
  SD229135  Bernardia incana Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 646 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  UCR29642  Bernardia myricifolia Wende Rehlaender 1983-5-28 112 Riverside Santa Rosa Mountains, Bighorn Sheep Lookout, on Hwy 74 on northwest rim of Deep Canyon, just southeast of Sugarloaf Mountain and 5 mi northeast of Santa Rosa Mountain, c. 15 mi along road from Palm Desert 732 Comment
  UCSB25708  Bernardia myricifolia 1968-7-16 Riverside Along Stone Crest Road, 0.5 mile north of forest boundary marker T65, R5E, SBB&M, 2.0 miles north of Pinyon Flats, Southern San Jacinto Mountains 1219 Comment
  UCR199596  Bloomeria crocea Scott D. White 2004-4-26 10240 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UC472853  Boechera perennans Mary Fiske Spencer 1924-6-17 Riverside Idyllwild San Jacinto Mts. 1828 Comment
  SD232716  Boerhavia coccinea Scott D. White 1996-9-22 4525 Riverside South Fork San Jacinto River: Hwy 74, ca. 1-3 road miles E of USFS Cranston Fire Station. Sandy flat area just brelow road. Silt on soil surface suggests that water pools here during runoff. 600 Comment
  RSA0027574  Boerhavia triquetra var. intermedia Kristin Forgrave, Joshua Paolini 2013-8-7 28 Riverside At Ford Dry Lake, just north of I-10. Margins of lake bed. Comment
  RSA0078217  Boerhavia triquetra var. intermedia Sarah J. De Groot, Duncan S. Bell 2015-9-21 7588 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  JOTR32418  Boerhavia wrightii Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 9 Riverside Joshua Tree National Park. Queen Mountains; Intersection of Park Blvd. and Pinto Basin road; Small rocky hills and surrounding drainages 1112 Comment
  JOTR33814  Boerhavia wrightii La Doux, Tasha, B. Truesdell 2007-11-9 3329 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along south park boundary (Stop 5) 651 Comment
  UCR211549  Boerhavia wrightii Jim Andre, T. La Doux 2008-9-13 10259 Riverside Sonoran (Colorado) Desert, Palen Valley, along west side of Hwy 177, east side of Coxcomb Mountains, just west of Palen Valley Sand Dunes area, east boundary of Joshua Tree National Park 205 Comment
  CLARK-A1528-3315  Boisduvalia glabella John C. Roos 1952-5-14 5662 Riverside Edgemont 487 Comment
  UCR251731  Bouteloua aristidoides var. aristidoides Deidre Conocchioli, April Garbat 2013-9-5 39 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 23 miles west of Blythe on I-10, Ford Dry Lake exit, Chuckwalla Valley Road 1.5 miles west to near Graham Pass Road 120 Comment
  UCR107703  Bowlesia incana A. C. Sanders 1997-3-1 19752 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR97896  Bowlesia incana A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19858 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA0089243  Brachypodium distachyon Steve D. Boyd 2011-3-30 12306 Riverside Coastal plains and basins; San Bernardino basin region: City of Riverside, residential lot at northwest corner of Beechwood Place (4131) and Brockton Avenue. 256 Comment
  RSA784727  Brandegea bigelovii Duncan S. Bell 2012-3-18 3194 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
  RSA751260  Brassica fruticulosa A. C. Sanders 2008-3-2 34418 Riverside Box Springs Mtns., Two Trees Canyon along foot trail along north side of riparian thicket, beyond the end of the old road 428 Comment
  CSUSB496  Brassica geniculata K. W. Brown 1966-4-7 S.N. Riverside Highway 71. 0.8 miles E. Dripping Spring Camp (12.4 miles east of Temecula) 487 Comment
  CAS-BOT-BC30262  Brassica nigra Steve Boyd 1986-5-7 1830 Riverside Temescal Canyon. Terrace escarpment between Horsethief Wash and Indian Truck Trail, south of I-15. Comment
  SEINET3507546 Image available Brassica nigra Howard Scott Gentry 1948-5-30 8173 Riverside Southern California. Gentry Farm, ca. 3 miles NE of Murrieta. Comment
  RSA680345  Brassica tournefortii Scott D. White 2001-3-27 8177 Riverside Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  UCR51368  Brassica tournefortii A. C. Sanders 1988-1-30 7590 Riverside Peninsular Range, Eastern foothills of the Santa Ana Mountains, c. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80 acre property to the NW; north of Cherry St., west of Adams Ave, south of Meadowlark Ridge Lane and Elm St 366 Comment
  CAS-BOT-BC106346  Brickellia atractyloides var. arguta Peter H. Raven 1958-5-18 12994 Riverside Along State Highway 74, 4.9 miles northeast of Pinon Flats, San Jacinto Mountains Comment
  RSA78368  Brickellia desertorum J. C. Roos 1950-12-2 5029 Riverside Monson Canyon, Eagle Mts. 915 Comment
  UCR18574  Brickellia desertorum John C. Roos 1965-9-12 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon, 3 mi SW of Corona 550 Comment
  SEINET7048183  Brickellia desertorum Steven R. Hill 2001-5-3 33692 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
  RSA191989  Brodiaea terrestris subsp. kernensis E. W. Lathrop 1959-5-17 4538 b Riverside 14 miles west of Murrieta. Tenaja Plateau Comment
  RSA643890  Bromus arizonicus A. C. Sanders, J. Dice, K. Rose, D. Woodard 1995-3-29 16271 Riverside San Jacinto Mountains/ San Gorgonio Pass: alluvial fan at the mouth of Snow Creek, between Highway 111 and Snow Creek Village., (33 deg 54'N, 116 deg 40'W) Comment
  RSA612806  Bromus diandrus D. L. Banks 1997-3-1 1363 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  UCR92448  Bromus diandrus A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18110 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  SD233665  Bromus grandis Scott D. White 1996-8-1 4442 Riverside Idyllwild area: north of Strawberry Valley, between Bear Trap Cyn and Lily Creek. 1584 Comment
  RSA741211  Bromus hordeaceus Scott D. White, Justin M. Wood 2008-5-15 11988 Riverside Johnson Meadow. 1415 Comment
  UCR147556  Bromus laevipes Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1286 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  CAS-BOT-BC161816  Bromus rubens C. H. Muller 1952-4-5 9489 Riverside White Water Canyon, 1 mile above White Water. Comment
  SBBG100551  Bromus rubens W. L. Halvorson 1977-3-13 77 -181 Riverside near Temecula Comment
  UCR162376  Bromus rubens S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  UCR21938  Bromus rubens Steve Boyd 1980-5-11 227 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  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
  SEINET10901257  Bromus tectorum Victor Duran 1932-5-18 Duran 3218 Riverside Idyllwild, San Jacinto Mountains. Very plentiful in this range in meadows and sheltered places in canyons. 1676 Comment
  UCD59904  Bromus tectorum var. glabratus A. A. Beetle 1942-4-22 3182 Riverside Rt. 60 and 70, 5 miles east of Shavers Summit. Comment
  UCR102914  Caesalpinia virgata George K. Helmkamp, E. A. Helmkamp 1998-2-5 2656 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  RSA612489  Calandrinia ciliata D. L. Banks 1997-2-23 1328 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
  SBBG54106  Callitriche heterophylla var. bolanderi E. W. Lathrop 1966-4-13 6164 Riverside 3 mi NW of Murrieta Comment
  UCSB248  Calocedrus decurrens Bobkowski, Jr., Vincent 1960-5-14 Riverside Black Mountain Camp, San Bernardino National Forest 1981 Comment
  UCR170122  Calochortus concolor Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 113 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  UCR133445  Calochortus splendens Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 455 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  CAS-BOT-BC283322  Calycoseris parryi Helen K. Sharsmith 1952-4-10 4060 Riverside Mojave Desert. Smoke Tree Wash, ca 5 miles NE of Cottonwood Springs, Joshua Tree National Monument 853 Comment
  RSA532560  Calycoseris parryi D. Bramlet 1991-5-9 2134 Riverside North Domenigoni Hills Comment
  RSA516874  Calycoseris wrightii Steve Boyd 1986-3-5 1355 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  UCR85166  Calycoseris wrightii A. C. Sanders, G. K. Helmkamp, Pam MacKay 1995-3-12 16086 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  SD38093  Calyptridium monandrum Edith A. Purer 1935-4-21 6477 Riverside Near Palm Springs, Colorado Desert Comment
  SEINET7063460  Calyptridium monandrum A. G. Vestal 1947-3-30 s.n. Riverside San Jacinto Valley. UTM Zone 11, 497479mE, 3743001mN. (WGS84/NAD83). 442 Comment
  UC68558  Calyptridium monandrum H. M. Hall Apr. 1905 5811 Riverside 10 mi w of Coachella; Colorado Desert 121 Comment
  UCR16647  Calyptridium monospermum Pam Maynard 1974-5-26 s.n. Riverside San Jacinto Mtns., Idyllwild, Humber Park trail 2744 Comment
  UCR280916  Calystegia macrostegia Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 28 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  RSA586129  Calystegia macrostegia subsp. arida D. L. Banks 1995-4-11 0172 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, E of the Dripping Springs Trail. 950 Comment
  RSA750323  Camissonia A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16249 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. 335 Comment
  HSC16409  Camissonia bistorta C. L. Hitchcock, C. V. Muhlick 1964-3-17 23087 Riverside 1/2 mi. SE of Glen Ivy Hot Springs Comment
  SEINET272325  Camissonia bistorta A. C. Sanders, G Helmkamp 1997-3-15 19965 Riverside Lake Skinner Area; lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N. Skinner Reser 457 Comment
  UCR16568  Camissonia bistorta C. M. Bringle, H. Johnston 1967-4-22 670422- 01 Riverside Peninsular Range, Temescal Canyon, 2.2 mi. south of Santa Fe (Railroad) overpass on Highway 71, and 50 ft. south of Glen Eden (nudist colony) mail box 457 Comment
  UCR241529  Camissonia boothii A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40633 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  RSA465963  Camissonia boothii subsp. condensata M. B. Dunkle 1932-3-25 2910 Riverside Cabazon. Colorado desert. 457 Comment
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Nov 3 2011
  RSA684332  Camissonia brevipes Scott D. White, Michael Honer 2003-4-18 9031 Riverside Shavers Valley. Just northeast of unnamed freeway exit at pumping station. 488 Comment
  RSA0042383  Camissonia brevipes subsp. brevipes Duncan S. Bell, LeRoy Gross 2014-3-13 6234 Riverside Orocopia Mountains; southern section of range; approximately 1.75 west northwest of Clemens Well. 293 Comment
  RSA144625  Camissonia californica William M. Klein, H. Latimer, A. Griffiths 1958-5-16 266 Riverside 4 miles E of Redlands along Highway 70-99, coastal sage scrub Comment
  RSA466169  Camissonia californica Christopher Davidson 1973-4-1 1788 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  RSA775220  Camissonia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4438 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  UC140593  Camissonia campestris subsp. campestris C. F. Baker 1904-4-5 4115 Riverside Hemet Comment
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Jul 4 2010
  UC56475  Camissonia campestris subsp. campestris H. M. Hall April, 1902 2917 Riverside vicinity of Winchester 457 Comment
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Mar 20 2011
  POM299268  Camissonia cardiophylla A. M. Alexander, Louise Kellogg 1941-5-26 2238 Riverside Colorado Desert: Monsen [Munsen] Canyon, Eagle Mountains. 976 Comment
  JOTR32445  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2211 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  RSA149769  Camissonia claviformis subsp. aurantiaca Jane Turner, F. M. Ball 1962-3-24 803 Riverside U.S. Hwy 70 at Whitewater. E. 366 Comment
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Oct 1 2011
  RSA449183  Camissonia claviformis subsp. aurantiaca Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA776818  Camissonia claviformis subsp. aurantiaca Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1091 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  POM13793  Camissonia hirtella P. A. Munz 1922-4-28 5086 Riverside West of Lake Elsinore, base of mountain-slope. 488 Comment
  RSA448991  Camissonia hirtella N. C. Cooper 1944-6-4 1375 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA614393  Camissonia hirtella D. L. Banks, Victor W. Steinmann 1997-3-13 1527 B Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR199921  Camissonia hirtella Scott D. White, Justin Wood 2008-4-16 11882 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 Comment
  UCR90367  Camissonia hirtella Scott D. White 1995-6-30 3421 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UCR116814  Camissonia pallida A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23944 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  RSA33885  Camissonia pallida subsp. hallii N. C. Cooper 1945-5-24 1645 Riverside Big Oaks Canyon, Banning, San Gorgonio Mountains. 1220 Comment
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May 13 2011
  JOTR28914  Camissonia pallida subsp. pallida La Doux, Tasha, Bill Truesdell 2004-3-11 1149 Riverside Joshua Tree National Park. Pinto Basin; Sand Hills 533 Comment
  POM305591  Camissonia pallida subsp. pallida Henry J. Ramsey, Henry J. Ramsey 1937-2-26 891 Riverside Whitewater. Comment
  UCR214154  Camissonia refracta T. B. Salvato 2010-4-20 4053 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  HSC86987  Camissonia strigulosa David Charlton 1988-5-21 1966 Riverside Thomas Mtn. Rd., W of Garner Valley and S of Lake Hemet on Hwy. 74 1677 Comment
  RSA771115  Camissonia strigulosa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4924 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  UCR251702  Camissonia strigulosa T. B. Salvato 2014-4-9 7838 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  SBBG35187  Camissoniopsis bistorta T. L. Secrest 1951-5-18 Riverside near Hemet Comment
  SD143801  Camissoniopsis hirtella A. C. Sanders, P. MacKay, et al. 1997-5-4 20635 Riverside San Jacinto Mountains, north side along Highway 243, 1.5 mile below Twin Pines Ranch Road. 1067 Comment
  OBI29872  Camissoniopsis ignota Melissa Luckow, Rhonda Riggins 1982-4-15 829 Riverside Hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  UCR262268  Carduus pycnocephalus A. C. Sanders 2006-5-13 32278 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
  RSA562437  Carduus pycnocephalus Steve Boyd, Timothy S. Ross 1992-5-6 7627 Riverside Southern Santa Ana Mountains, San Mateo canyon Wilderness area. West of Verdugo Portrero, along access road to Rancho Carillo(7S06) on ridge dividing Verdugo and Aliso Canyons, just east of Riverside-Orange Co. Line 671 Comment
  POM14318  Carex alma Phillip A. Munz 1922-5-19 5404 Riverside San Jacinto Canyon, 1 mile above mouth of Strawberry Creek. 1159 Comment
  SEINET3898819  Carex barbarae Steve Boyd, Tim Ross 1990-5-11 4663 Riverside Vail Lake area, Arroyo Seco drainage, cyn bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland Nat. Forest.; 0 579 Comment
  CAS-BOT-BC20600  Carex douglasii Philip Alexander Munz 1938-8-13 15331 Riverside Santa Rosa Peak. 2316 Comment
  CAS-BOT-BC20700  Carex fracta Mary F. Spencer 1919-6-19 s.n. Riverside San Jacinto Mountains. Idyllwild. 1615 Comment
  CAS-BOT-BC21918  Carex heteroneura F. M. Reed 1908-7-11 2498 Riverside San Jacinta Peak. 2743 Comment
  RSA125886  Carex multicaulis Peter H. Raven 1958-5-17 s.n. Riverside along road to Banning 6.1 miles northwest of Lake Fulmor, San Jacinto Mountains. Comment
  SD112274  Carex sartwelliana Darley F. Howe 1941-6-8 1293 Riverside San Jacinto Mountains, Strawberry Creek. Comment
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Aug 21 2007
  SBBG95115  Carex schottii N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 179 Riverside Oasis de los Osos Preserve, off Snow Crk Cyn at the N foot of the San Jacinto Mtns, 1 mi W of Snow Crk Village 487 Comment
  SEINET11249257  Carex spissa Steven R. Hill, Andrew C. Sanders 2001-1 Riverside Comment
  RSA674962  Carex triquetra Scott D. White, Teresa Salvato 2001-6-8 8585 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  JEPS9794  Castilleja applegatei subsp. martinii C. V. Meyer Jun 1927 167 a Riverside Saunders Meadow San Jacinto Mt. 1676 Comment
  RSA775227  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1097 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1382 Comment
  UC27246  Castilleja exserta H. M. Hall 1901-6-9 2028 Riverside s side San Jacinto Mountains 1371 Comment
  UC886552  Castilleja exserta P. A. Munz and I. M. Johnston 1922-5-19 5444 Riverside 2 mi below Kenworthy; San Jacinto Mts. 1402 Comment
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Mar 25 2011
  UCR269905  Castilleja exserta D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3664 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  UCR49232  Castilleja exserta Steve Boyd 1986-4-2 1612 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR97677  Castilleja exserta A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19903 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  RSA552740  Castilleja foliolosa Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-25 6672 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 and 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  UCR165850  Castilleja foliolosa T. B. Salvato, John F. Green 2004-5-27 633 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
  UCR133711  Castilleja martinii N. C. Cooper 1944-6-17 1418 Riverside San Jacinto Mtns., [road to Idyllwild] above Banning 1372 Comment
  JOTR37756  Caulanthus cooperi Hodges, Stephen R. 2016-2-29 712 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  RSA0120135  Caulanthus hallii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9082 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 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
  JEPS29316  Caulanthus heterophyllus Rimo Bacigalupi and L. Heckard 1962-3-26 8412 Riverside 3.3 mi. n.w. Alberhill (near headwaters of Temescal Wash & Canyon, w. base of Estelle Mt. & just opposite Indian Canyon (from w.)) 304 Comment
  RSA429530  Caulanthus heterophyllus Ora M. Clark 1929-3-16 1725 Riverside N. of Whitewater Comment
  RSA495458  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2986 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  CAS-BOT-BC48457  Ceanothus crassifolius D. O. Burge 2007-3-20 799 b Riverside Agua Tibia Wilderness Area, Cleveland National Forest. 0.66 road miles (1.05 km) from Woodchuck Road 660 Comment
  SD122183  Ceanothus crassifolius James C Dice 1987-12-7 763 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River 340 Comment
  SD138816  Ceanothus crassifolius Craig Reiser 1993-5-17 Riverside Agua Tibia Wilderness Area, south of Woodchuck Campground and Highway 79 Growing with both putative parents (IPB 5/06) Comment
  UC1071027  Ceanothus crassifolius R. St. John 1930-3-16 106 Riverside Lakeview Mountains 609 Comment
  UCR16498  Ceanothus crassifolius S. R. Szarek 1971-3-26 s.n. Riverside Peninsular Range/Santa Ana Mtns, Elsinore, alongside Hwy 74, 2 mi from Riverside-Orange county line Comment
  POM13800  Ceanothus cuneatus P. A. Munz 1922-4-30 5132 Riverside Tuscalota Creek, south of Hemet. Comment
  CHSC1503  Ceanothus cyaneus E. Thomas 1940-3-10 Riverside Foothills above Sage. Comment
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Jan 7 2020
  RSA783161  Ceanothus greggii var. perplexans J. D. Olmsted 1962-5-3 3502 Riverside S of southern Quercus Keloggii population on Thomas Mt. 1616 Comment
  UC527223  Ceanothus greggii var. perplexans C. B. Wolf 1931-5-11 Riverside above Hemet Valley (near Pipe Creek.); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  POM254878  Ceanothus integerrimus W. Pequegnat 1940-7-1 5691 Riverside Santiago Peak. 1735 Comment
  UCR26627  Ceanothus integerrimus var. puberulus E. W. Lathrop 1966-5-8 6416 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  GMDRC6557  Ceanothus leucodermis J. M. Andre 2012-6-15 30511 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  RSA399317  Ceanothus leucodermis E. Crow 1929-4-21 340 Riverside Hills west of Lake elsinore Comment
  RSA701751  Ceanothus leucodermis Steve Boyd, Valerie Soza 2004-6-22 11553 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UCR59767  Ceanothus leucodermis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3082 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  RSA0060582  Ceanothus leucodermis Bob Rogers 1984-5-5 31 Riverside Collected along a trail bordering the West side of Fuller Mill Creek heading upstream. Starting point was on the North side of hwy 243, 11.6 miles from hwy 74/hwy243 jctn. 1524 Comment
  RSA160404  Ceanothus oliganthus J. D. Olmsted 1959-4-17 410 Riverside Skyline Drive 8 mi. SW of Corona. 793 Comment
  RSA398914  Ceanothus oliganthus E. Crow 1929-4-7 296 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  CAS-BOT-BC83761  Ceanothus ophiochilus D. O. Burge 2007-3-20 800 b Riverside Agua Tibia Wilderness Area, Cleveland National Forest 660 Comment
  RSA606752  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27414 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  UCR68477  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2960 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  RSA0022328  Ceanothus perplexans A. C. Sanders, Mark A. Elvin, Julie M. Vanderwier 2002-4-9 24949 Riverside The Badland: hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont. 610 Comment
  UCR121312  Ceanothus perplexans A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25006 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  UCR114753  Ceanothus tomentosus Scott D. White, D. E. Bramlet 1999-4-22 7234 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR216406  Ceanothus tomentosus Mike Bell 2008-3-30 032 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 526 Comment
  UCR224856  Cenchrus ciliaris Chris McDonald 2010-6-8 s.n. Riverside Sonoran (Colorado) Desert, Indio, on Indio Blvd. 0.14 km east of Burr St. on south side of street, between Burr and Madison streets 12 Comment
  CLARK-A1528-2042  Centaurea melitensis Margaret Ferro 1970-5-20 27 Riverside Riverside 457 Comment
  OBI59578  Centaurium calycosum L. A. McGill & H. S. Gentry, H. S. Gentry 1979-5-25 2555 Riverside Murrieta; Howard Scott Gentry Experimental Research Ranch Comment
  CHSC26365  Centrostegia thurberi James Henrickson 1971-5-29 5573 Riverside 15 mi. SW of Twentynine Palms, 2 1/2 mi. N. of Salton View in Joshua Tree Nat'l Monument. 1280 Comment
  RSA784724  Cercidium floridum Duncan S. Bell 2012-3-18 3212 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
  UC1073270  Cercidium floridum subsp. floridum George B. Rossbach 1955-4-23 314 Riverside near Shaver's Well (along Route 195 e of Mecca); Box Canyon Wash 304 Comment
  CAS-BOT-BC135500  Cercocarpus betuloides var. betuloides Nancy Ryan Zabriskie; Walter Zabriskie 1970-5-2 289 Riverside Up canyon from turnout parking area which is 1/2 mi. up Sta. Rosa Mt. road from Hwy 74 - Santa Rosa Mountains 1371 Comment
  SEINET5712807  Chaenactis artemisiifolia Ed LaRue 1990-1 s.n. Riverside 0.5 mi NW of town of Aguanga, N of Hwy 79 and W of Hwy 371; ca. 1.5 mi (air line) N of San Diego County line. Aguanga 7.5' USGS Quad.; Aguanga 640 Comment
  CAS-BOT-BC276380  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CAS-BOT-BC276388  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  RSA781601  Chaenactis carphoclinia Duncan S. Bell 2011-12-30 3031 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCR164059  Chaenactis carphoclinia A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29145 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  POM265547  Chaenactis carphoclinia var. carphoclinia C. L. Hitchcock 1940-4-4 5948 a Riverside Pinto Basin. Comment
  UCR37707  Chaenactis carphoclinia var. carphoclinia A. C. Sanders 1985-3-24 5406 Riverside Sonoran (Colorado) Desert, Coachella Valley, Box Canyon 9 miles NE of Mecca on Hwy 195 183 Comment
  UC566687  Chaenactis fremontii H. L. Mason 1928-3-11 4328 Riverside near Indio Comment
  UCD130326  Chaenactis fremontii C. L. Hitchcock 1966-3-16 24208 Riverside Along Palms to Pines Highway, 7 mi. s. of Palm Desert. 609 Comment
  UCR114114  Chaenactis fremontii B. G. Pitzer, J. Ross 1998-3-8 3607 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR133382  Chaenactis fremontii Mitch Provance, J. S. Ross 1998-3-27 1002 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  UCR84636  Chaenactis fremontii Scott D. White, S. Ogg 1994-4-21 1990 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA716190  Chaenactis glabriuscula Scott D. White, Angelia Carey 2004-4-5 10020 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SEINET2030149 Image available Chaenactis glabriuscula Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mountains, San Juan Canyon, highway 74 610 Comment
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Nov 8 2015
  SEINET7063234  Chaenactis glabriuscula A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 887 Comment
  UCR156077  Chaenactis glabriuscula T. B. Salvato, Kent Beaman 2005-5-16 795 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
  UCR262227  Chaenactis glabriuscula T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3706 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  CAS-BOT-BC277556  Chaenactis glabriuscula var. lanosa Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs Comment
  UCR18007  Chaenactis parishii A. C. Sanders 1976-3-18 084 Riverside San Jacinto Mtns., S end of Vandeventer Flat, above Coyote Creek [on or near BLM land, probably near Garnet Queen Creek confluence with Coyote Cr.] 1463 Comment
  UCR20190  Chaenactis parishii Jeanine Derby 1976-6-29 s.n. Riverside San Jacinto Mtns., Garner Valley, Quinn Flats 1375 Comment
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Jun 3 2012
  CDA38669  Chaenactis stevioides Freeman 2012-3-26 PDR# 331 P06141610 Riverside Vicinity of Blythe. 0 Comment
  JOTR30260  Chaenactis stevioides Leary, C. and Leary, Pat 1979-5-6 3022 Riverside Joshua Tree National Park. In burned area west of Lost Horse Valley, Joshua Tree National Monument, T2S R7E sec 13 Comment
  JOTR33930  Chaenactis stevioides La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2820 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  RSA796458  Chaenactis stevioides Duncan S. Bell 2009-4-18 218 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
  UCR244414  Chaenactis stevioides Jim Andre 2012-4-16 20909 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
  SEINET3365553  Chamaesyce abramsiana G. Rink 2011-9-25 11070 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  JOTR16669  Chamaesyce albomarginata Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. LOST HORSE AREA NEAR RANGER STATION 1310 Comment
  POM9669  Chamaesyce albomarginata P. A. Munz, R. D. Harwood 1920-2-28 3247 Riverside 3 miles west of Corona. 305 Comment
  JEPS52373  Chamaesyce polycarpa W. L. Jepson 1914-3-23 6054 Riverside Colorado Desert, Conchilla Desert 60 Comment
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Sep 1 2007
  SBBG4029  Chamaesyce polycarpa H. and M. Dearing 1930-4-14 953 Riverside near Palm Springs Comment
  RSA432484A  Chamaesyce polycarpa var. hirtella Robert M. Perkins, H. de Forest 1937-3-15 s.n. Riverside West of blythe. Comment
  RSA627499  Chamaesyce polycarpa var. polycarpa L. C. Wheeler 1965-6-27 8693 Riverside Tin Mine Canyon. Comment
  UC489210  Chamaesyce serpillifolia subsp. hirtula C. V. Meyer 1928-7-30 587 Riverside Saunders Meadow San Jacinto Mountains 1676 Comment
  UC750618  Chamaesyce setiloba Lewis S. Rose 1946-12-23 46302 Riverside Cathedral Canyon Wash 182 Comment
  UC869129  Chamaesyce setiloba Lewis S. Rose 1936-12-22 36806 Riverside 17 mi sw Indio (Palms to Pines Hwy); San Jacinto Mtns 914 Comment
  UCR138819  Chamomilla suaveolens D. L. Banks 1997-2-23 1291 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  RSA772849  Cheilanthes covillei Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4842 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
  UC1286694  Cheilanthes covillei Elizabeth Parsons Hawver 1917-3-25 Riverside Andreas Canyon Palm Springs Comment
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Apr 16 2011
  UCR178965  Cheilanthes covillei Mitch Provance, Tracy Tennant 1998-6-16 MOR- 398 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just north of tree stand M-09 1280 Comment
  RSA702731  Cheilanthes newberryi Scott D. White, Michael Honer 2004-4-6 10058 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  RSA775310  Chenopodium Duncan S. Bell 2011-3-20 s.n. Riverside Orocopia Mountains; on the southeast side of the mountain range near Red Canyon. 429 Comment
  RSA654971  Chenopodium album A. C. Sanders 2000-10-16 23722 Riverside railroad right of way between Watkins Dr. and Campus View Dr., near site of Lemona siding 335 Comment
  RSA709239  Chenopodium album var. album A. C. Sanders, Mitch Provance, T. B. Salvato, B. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden. 351 Comment
  RSA654548  Chenopodium murale Lydia Paneri 1982-4-17 47 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
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Feb 24 2013
  CLARK-A1703-1256  Chilopsis linearis Robin L. Kobaly 1977-3-23 Riverside Box Canyon Comment
  UCR133023  Chilopsis linearis Bern Schwenn 1998-5-4 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, nameless canyon below Carey's Castle, NW of Red Butte Wash, c. 3 miles east of Chiriaco Summit and 1 mile or so north of I-10 640 Comment
  UCSB6221  Chilopsis linearis White, Arthur 1960-5-15 Riverside 9 mi. NW of junction of Hwy. 74 with Hwy. 111, 50 yds. S of the road Comment
  UCSB8346  Chilopsis linearis Ralph, F. 1959-5-17 Riverside Along Hwy. 74 between Cathedral City and Palm Desert, 0.3 miles east of Cathedral City limits 152 Comment
  LA204148  Chilopsis linearis subsp. arcuata Miss Halflaud; March 1925 6489 Riverside Palm Springs Comment
  POM3997  Chilopsis linearis subsp. arcuata M. Shaw 1917-4-4 s.n. Riverside Palm Canyon Comment
  UC489077  Chimaphila menziesii C. V. Meyer 1928-6-14 451 Riverside San Jacinto Mts., Saunder's Meadow 1676 Comment
  POM263173  Chloris virgata J. C. Roos 1957-8-20 356 Riverside Blythe. Comment
  UCR72194  Chorizanthe brevicornu Theo Glenn 1991-5-20 91- 104 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  CAS-BOT-BC191713  Chorizanthe brevicornu var. brevicornu Barbara Ertter; Jeffrey Strachan 1980-5-20 3474 Riverside Sandy flat on W side of Highway 111 between Cathedral City and Rancho Mirage 91 Comment
  JOTR30957  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1932 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA392604  Chorizanthe brevicornu var. brevicornu I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  UCSB1368  Chorizanthe brevicornu var. brevicornu Gray, Caroline 1956-4-14 Riverside In the Devil's Garden, 3 mi off Hwy 99 Comment
  UCR59536  Chorizanthe coriacea Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3237 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  UCR116696  Chorizanthe fimbriata George K. Helmkamp 1974-7-16 s.n. Riverside Santa Ana Mtns. region, Ortega Oaks Park on Hwy 74 610 Comment
  SDSU13918  Chorizanthe fimbriata var. fimbriata Michael G. Simpson 2000-5-13 2116 Riverside Santa Margarita Ecological Reserve, ca. 100 feet from Northside field station. 366 Comment
  UCR55655  Chorizanthe leptoceras L. F. LaPre 1988-6-3 s.n. Riverside Peninsular Range, Indian Truck trail, sandy bench south of wash which crosses under de Palm Road (= frontage road to Hwy I-150, near Glen Eden Resort 366 Comment
  VVC1505  Chorizanthe leptotheca A. C. Sanders, PJ MacKay, Tim Thomas, O Clarke 1997-5-4 20679 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  UC1929714  Chorizanthe parryi var. parryi Scott D. White, Michael Honer 2003-4-25 9090 Riverside SAN BERNARDINO MTNS.: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. Comment
  GMDRC9380  Chorizanthe rigida J. M. Andre 2017-3-4 37190 Riverside Big Maria Mountains: along west side of US Hwy 95 30.5 mi. south of Vida Jct, at road to Blythe itaglios (ancient geoglyphs) 95 Comment
  RSA500223  Chorizanthe staticoides Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3519 Riverside Vail Lake area, 1 mi W of lake. 609 Comment
  SEINET2049586 Image available Chrysanthemum carinatum Claudia Petrie 1988-4-1 Riverside State University, Grown in experimental fields at U.C. Riverside. Comment
  POM12416  Chrysothamnus nauseosus subsp. bernardinus P. A. Munz 1922-9-7 6406 Riverside Tamarack Valley, San Jacinto Mts. 2866 Comment
  RSA0121174  Chylismia cardiophylla subsp. cardiophylla Duncan S. Bell, LeRoy Gross 2016-3-30 9176 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  SBBG6278  Chylismia claviformis T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  SD185268  Chylismia claviformis Nathan Moorhatch 2005-2-17 Riverside Western Sonoran Desert: Coachella Valley, east edge of Santa Rosa Mountains, La Quinta west of Washington St. between Ave. 48 and Lake La Quinta Dr. -36 Comment
  CAS-BOT-BC160590  Chylismia claviformis subsp. aurantiaca Ira L. Wiggins 1937-3-9 8764 Riverside 20 miles north of Indio Comment
  CAS-BOT-BC160602  Chylismia claviformis subsp. aurantiaca Carl B. Wolf 1937-4-6 8425 Riverside Colorado Desert. Coachella Valley, 2 mi. NE. of Edom 30 Comment
  CAS-BOT-BC160605  Chylismia claviformis subsp. aurantiaca Javier Penalosa 1963-4-10 s.n. Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  CAS-BOT-BC160631  Chylismia claviformis subsp. aurantiaca F. H. Billings 1926-1-25 10 Riverside Palm Springs Comment
  UCR117809  Cirsium occidentale var. occidentale Mitch Provance 1998-6-11 683 A Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR106357  Cirsium vulgare John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA523472  Cistanthe monandra Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-2 4031 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA699173  Cistanthe monandra J. Russell Bruff 1928-4-2 110 Riverside Canyon wash 1 mile west of Morengo. Comment
  UCR177422  Cistus villosus Scott D. White, Michael Honer 2003-4-4 8931 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  CAS-BOT-BC114814  Cladium californicum Annie M. Alexander; Louise Kellogg 1941-5-17 2191 Riverside Old pond near Dos Palmas. Comment
  UCR57226  Clarkia Jeri Hirshberg 1989-5-2 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW of Mesa de Burro 610 Comment
  CLARK-A1528-642  Clarkia deflexa C. M. Flanagan 1973-5-31 OO 601 Riverside Morongo Indian Reservation 914 Comment
  CAS-BOT-BC164338  Clarkia dudleyana A. C. Sanders 1994-5-29 14568 Riverside San Bernardino Mountains: Millard Canyon, at stream crossing just below site of Millard Station on FS Road 2S05 1100 Comment
  RSA736701  Clarkia dudleyana Scott D. White 2004-4-26 10248 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  SDSU8636  Clarkia dudleyana Wende E. Rehlaender 1983-5-5 120 Riverside Reche Canyon, approx 4.4 mi. from NW end of Reche Canyon Rd., 2.5 mi east of Highgrove and 2.5 mi. south of Loma Linda. Plant on a 100ft. hill, 12-15 yards from the road. Comment
  UCR91511  Clarkia epilobioides Scott D. White, M. Jacobsmeyer 1996-4-20 3938 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore. c. 1 road mi east of Bundy Canyon Road exit from Hwy I-15 freeway. south of road. 451 Comment
  UCR167861  Clarkia purpurea T. B. Salvato, John F. Green 2004-5-27 658 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
  RSA618168  Clarkia purpurea subsp. quadrivulnera D. L. Banks 1997-5-5 2018 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SBBG93070  Clarkia purpurea subsp. quadrivulnera G. Ballmer 1990-5-5 Riverside NE edge of San Jacinto Potrero Land grant, on a low ridge extending S into the valley 609 Comment
  UCR111985  Clarkia purpurea subsp. quadrivulnera A. C. Sanders, T. B. Salvato 2000-5-25 23417 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA448337  Clarkia rhomboidea N. C. Cooper 1949-6-29 4349 Riverside Pine Cove, San Jacinto Mountains. 1829 Comment
  UCR93017  Claytonia perfoliata subsp. perfoliata G. P. Schultz 1994-4-7 73 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  UCR133404  Clematis lasiantha Tracy Tennant, J. S. Ross 1998-5-7 MOR- 85 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  RSA752814  Clematis ligusticifolia A. C. Sanders, Tim Thomas 2008-8-1 35944 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. 1402 Comment
  RSA440812  Cleome isomeris Robert L. Dressler 1949-3-19 432 Riverside Coxcomb Mountains, 23 miles NE of Desert Center Comment
  CSUSB737  Coldenia plicata I. S. Singh 1972-4-21 S. N. Riverside Route 2, Thermal roadside, near Willits and Newcomb Citrus Nursery. 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
  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
  SEINET156035  Collinsia concolor Norman C. Cooper 1944-5-20 1290 Riverside Palms to Pines Hwy. San Jacinto Mtns. 1372 Comment
  UCR107821  Collinsia concolor D. L. Banks 1997-5-5 2008 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  UCR60256  Collinsia concolor Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3170 D Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  RSA0117402  Collinsia concolor Ora M. Clark 1929-3-16 1714 Riverside N. of White Water Colorado Desert. Comment
  CDA35600  Condalia globosa var. pubescens G. D. Barbe, J. L. Johnson 1982-11-2 4029 Riverside 14.5 mileseast of Eagle Mtn. Railroad on Bradshaw Trail, south of Chuckwalla Mountain 0 Comment
  UCR6039  Conium maculatum Steve Walker 1966-5-13 s.n. Riverside Riverside, Fairmount Park, W perimeter, 400 yds from road on streambed 306 Comment
  CAS-BOT-BC215980  Convolvulus Steve Boyd; Tim Ross 1991-6-14 6405 Riverside Paloma Valley, between Sun city and Murrieta, E of Hwy I-215, rolling hills just SW of jtn of Briggs Rd. and Scott Rd. Comment
  UCD126138  Convolvulus arvensis Scott D. White 1998-6-28 s.n. Riverside Corona: River Road bridge over the Santa Ana River. 158 Comment
  UCR125205  Convolvulus arvensis Mitch Provance 1998-5-27 544 Riverside City of Riverside, Hillside area, along railroad tracks on the NW corner of Dewey St. and Streeter Ave. 238 Comment
  UCR103729  Convolvulus simulans A. C. Sanders 1997-3-19 20029 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp 473 Comment
  JEPS6775  Cordylanthus rigidus subsp. setiger W. L. Jepson 1901-5-19 1269 Riverside on journey from San Jacinto River to Strawberry VAlley Upper San Jacinto Valley 609 Comment
  UCR35228  Cordylanthus rigidus subsp. setiger L. B. Ziegler 1967-9-6 241 Riverside San Jacinto Mtns, Hemet Valley (=Garner Valley), Quinn Flats region 1375 Comment
  RSA0130299  Coryphantha alversonii Anonymous 1947-1 s.n. Riverside Cottonwood Springs Area. Comment
  RSA13961  Coryphantha alversonii P. A. Munz 1922-4-13 5015 Riverside Eagle Mountains, Colorado Desert. Sandy wash from Anshutz Canyon. 366 Comment
  SD181709  Cotula australis Scott D. White 1999-5-2 7286 Riverside Perris/Sun City area, just east of Goetz Road and south of Ethanac Road, ca. 1.5-2.0 miles west of I-215. 440 Comment
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Oct 28 2016
  UCR104887  Cotula australis A. C. Sanders 1997-3-19 20015 Riverside Lake Skinner area, Lower Rawson Canyon at 3-way road junction (heron rookery site) c. 1 km NE of the lake 457 Comment
  UCR92499  Cotula australis S. J. Myers 1996-1-16 s.n. Riverside Perris Basin, 2 mi NE of Perris, flood control channel between Perris Blvd, & Murrieta St., parallel to Nuevo Rd c. 1/4 mi N. 442 Comment
  RSA612698  Crassula aquatica D. L. Banks 1997-3-29 1600 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
  SD204868  Crassula aquatica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-6-5 55210 Riverside Peninsular Ranges; Santa Ana Mountains region: Southwest of Murrieta. Santa Rosa Plateau, Mesa de la Punta near southern edge of plateau, approached from De Luz road. 579 Comment
  RSA84912  Crassula connata F. W. Peirson 1920-2-16 1935 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  UC128709  Crocanthemum aldersonii Charlotte M. Wilder May 1908 25 Riverside Wilders' Jurupa Hills Comment
  POM13905  Crossosoma bigelovii P. A. Munz 1922-3-12 4708 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  RSA0125370  Crossosoma bigelovii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8767 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting near the Martinez Slide, approximately 4 air miles northeast of the summit of Martinez Mountain. 264 Comment
  RSA397721  Crossosoma bigelovii Martha Hilend 1928-3-11 95 Riverside Morongo Pass, Colorado Desert region. Comment
  UCD170568  Crossosoma bigelovii Jim Andre 2011-2-18 15824 Riverside Coachella Valley, north end of valley at base of Morongo Canyon, 0.5 mi north of Indian Canyon Road, 1 mi west of Hwy 62. 473 Comment
  SEINET10777953  Croton J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12853 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  SBBG29381  Croton californicus D. Myrick 1968-3-2 1795 Riverside Desert Hot Springs 304 Comment
  UC1776823  Croton californicus V. W. Steinmann, M. T. Wedlake 1995-4-8 655 Riverside Along Hwy 111, 1 km NW of Palm Springs (measured from the intersection with San Rafael Dr.) 215 Comment
  UCD141962  Croton californicus V. W. Steinmann; M. T. Wedlake 1995-4-8 655 Riverside Along Hwy. 111; 1 km northwest of Palm Springs (measured from the intersection with San Rafael Dr.); south of the highway. 215 Comment
  UCR116007  Croton californicus A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23304 Riverside Shipley-Skinner Reserve, Tucalota Creek at horse trail crossing east of Lake Skinner 457 Comment
  UCR92257  Croton californicus Scott D. White 1995-8-23 3576 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  RSA522096  Crypsis schoenoides Steve Boyd, Orlando Mistretta 1989-7-18 3764 Riverside Vail Lake area, confluence of Kolb Creek with lake. 426 Comment
  RSA663310  Crypsis vaginiflora A. C. Sanders, Mitch Provance 1999-9-26 23081 Riverside McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  SEINET3292214 Image available Cryptantha Lewis S. Rose 1938-12-22 38338 Riverside 12 miles Southwest of Cathedral City, Palms to Pines Highway, San Jacinto Mountains 457 Comment
  UCR260602  Cryptantha A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41543 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south side of Indian Truck Trail along Temescal Canyon Road 349 Comment
  UCR273085  Cryptantha Tim Searl 2016-5-27 s.n. Riverside Badlands, 1.1 miles southeast of Redlands Blvd./San Timoteo Canyon intersection 561 Comment
  JOTR35363  Cryptantha angustifolia Harding, Mitzi, M. Wheeler 2011-1-26 147 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, 0.5 mi west of Coxcomb Mountains, sandy burms above large wash (STOP2) 289 Comment
  SD121358  Cryptantha angustifolia G. K. Helmkamp 1983-4-5 483 33 Riverside Chuckawalla Mountains, large wash below Chuckawalla Spring, 9 miles southwest of Graham Pass Road 490 Comment
  POM368290  Cryptantha barbigera I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Colorado Desert. 366 Comment
  SBBG87819  Cryptantha barbigera A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6116 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  UCR38138  Cryptantha barbigera J. M. Stewart 1985-3-16 S.N. Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  GMDRC2333  Cryptantha barbigera var. fergusoniae J. Andre 2006-4-6 8148 Riverside Little San Bernardino Mountains: Joshua Tree National Park: approx 50 m. N. of Keys View Parking area. Elev. 5094 ft. 1553 Comment
  RSA0124822  Cryptantha barbigera var. fergusoniae Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8747 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  UCR244395  Cryptantha barbigera var. fergusoniae Jim Andre 2012-4-16 20975 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  UCR92342  Cryptantha corollata Scott D. White, T. Keeler-Wolf 1994-5-8 s.n. Riverside San Jacinto Mtns, Foothills, San Jacinto River wash at eastern edge of Valle Vista 549 Comment
  SEINET3830323  Cryptantha costata G. Rink, A. Karl, M. Honer, T. Thomas 2011-1 10435 Riverside BLM. Ca 5 miles west of Blythe, south of I-10 and north of the transmission line. 142 Comment
  UCR75100  Cryptantha costata A. C. Sanders, E. J. Lawlor 1992-4-3 12085 Riverside Sonoran (Colorado) Desert, 0.2 mi north of Hwy I-10 at the Wiley Well Rest Stop, c. 31 mi east of Desert Center. 122 Comment
  RSA0103651  Cryptantha cycloptera Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2182 Riverside Northwest end of the McCoy Mountains, NW of Blackjack Mine. 400 Comment
  UCR174946  Cryptantha decipiens Jennifer H. Jones, Toby Bartels 2006-4-23 276 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  JOTR30318  Cryptantha dumetorum La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1752 Riverside Joshua Tree National Park. Stop 2: Near Sand Hill in Pinto Basin 538 Comment
  UCR245642  Cryptantha dumetorum Duncan S. Bell 2010-4-2 700 Riverside Sonoran (Colorado) Desert, Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness; 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
  UCR249523  Cryptantha dumetorum T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7294 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  JEPS67650  Cryptantha intermedia W. L. Jepson 1939-4-17 19126 Riverside near Twin Springs (n end, sw Riverside County); Temescal Canyon 274 Comment
  RSA674971  Cryptantha intermedia Scott D. White, Teresa Salvato 2001-6-8 8580 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  SD148208  Cryptantha intermedia A. C. Sanders 2001-5-3 24081 Riverside Hemet, southeast corner of State Street at Gibbel,at east end of Diamond Valley. 494 Comment
  RSA0119973  Cryptantha maritima Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9094 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  RSA701218  Cryptantha maritima Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11274 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage.Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  RSA709894  Cryptantha maritima Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4595 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR214429  Cryptantha maritima A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37496 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR241801  Cryptantha maritima A. C. Sanders, Ann Howald 2013-2-28 40564 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  JOTR29592  Cryptantha micrantha Andre, Jim 2006-4-26 6769 Riverside Joshua Tree National Park. ridgetop W of upper Long Canyon, approx 0.5 mi. S. of radio tower and of NE corner (boundary) of park 1324 Comment
  RSA499648B  Cryptantha micrantha Anstruther Davidson 1926-3-1 s.n. Riverside Colorado Desert. Comment
  RSA525339  Cryptantha microstachys Steve Boyd, D. E. Bramlet 1990-4-29 4469 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  SD255674  Cryptantha microstachys Jim Rocks 2013-4-24 406 Riverside Proposed Spring Valley Ranch development project. On privately owned land. 550 Comment
  UCR165406  Cryptantha microstachys A. C. Sanders 2005-4-21 29569 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  RSA511363  Cryptantha muricata Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA786476  Cryptantha muricata C. P. Cowan 1978-4-24 1249 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
  SD248351  Cryptantha muricata A. C. Sanders, T. B. Salvato 2014-7-2 41182 Riverside Peninsular Range; San Jacinto Mountains; Fobes Canyon, ca. 0.5 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR111557  Cryptantha muricata Mitch Provance 1999-5-4 1705 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR89718  Cryptantha nevadensis J. M. Stewart 1993-3-10 685 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; Corn Springs Rd, 2 mi south of Chuckwalla Rd. Comment
  POM13893  Cryptantha racemosa P. A. Munz, D. D. Keck 1922-4-9 4829 Riverside S base of Eagle Mts 229 Comment
  POM258906  Cryptantha racemosa E. C. Jaeger 1939-12-3 s.n. Riverside Canyon of Orocopia Mountains, south of Hayfield reservoir. 427 Comment
  RSA499795  Cryptantha racemosa Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA80747  Cryptantha racemosa F. W. Peirson 1921-3-23 2377 Riverside Deep Canyon south of Coachella Valley 335 Comment
  UC857248  Cryptantha racemosa C. L. Hitchcock 1940-3-31 5892 Riverside between Cottonwood Springs and Pinto Basin Comment
  UCR208133  Cryptantha racemosa F. W. Peirson 1921-3-23 2377 Riverside Sonoran (Colorado) Desert, Deep Canyon 335 Comment
  RSA0081618  Cryptantha utahensis Jim M. Andre 2012-4-11 20823 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  RSA79623  Cryptantha utahensis F. W. Peirson 1919-4-13 1025 Riverside Murray Canyon, Palm Springs region. Comment
  UCR157660  Cryptantha utahensis A. C. Sanders 1995-4-13 16496 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  RSA394313  Cucurbita foetidissima Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains. 457 Comment
  JOTR29436  Cuscuta californica var. californica La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1370 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  UCR272458  Cuscuta californica var. papillosa Mitch Provance 2012-8-1 712- 05 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  RSA653582  Cuscuta campestris A. C. Sanders, D. E. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23171 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  UCR82816  Cuscuta subinclusa A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15792 Riverside San Jacinto Mtns., N slope of mountains, nameless tributary of Azalea Creek, Twin Pines Creek drainage 1192 Comment
  RSA0073880  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17729 Riverside Chuckwalla Mountains, Corn Springs Wash, 5km west of Aztec Well, 74km east of Indio. 760 Comment
  JOTR35426  Cylindropuntia chuckwallensis Harding, Mitzi, C. Barrows, K. Callahan, J. Hoines, M. Wheeler 2013-4-11 132 Riverside Joshua Tree National Park. Eagle Mountains; Eagle Mountain, northwest of peak Comment
  SD229118  Cylindropuntia ganderi Dick Schwenkmeyer 2013-6-11 924 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  UCD97951  Cylindropuntia ramosissima Lionel A. Stange 1956-4-1 s.n. Riverside Near Forty Nine Palms oasis. Comment
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Jul 1 2012
  CLARK-A1528-1430  Cymopterus panamintensis var. acutifolius John C. Roos 1947-2-15 3243 Riverside Eagle Mountains Comment
  UCR214861  Cynanchum utahense A. C. Sanders 2010-3-23 37553 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  CAS-BOT-BC190214  Cynodon dactylon Lewis S. Rose 1957-1-3 57003 Riverside La Quinta. 15 Comment
  RSA771109  Cynodon dactylon Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4729 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 W116.65122 604 Comment
  HSC100854  Cynodon dactylon J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-12 12751 Riverside Lawn at Casa del Diablo property. Comment
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Aug 16 2015
  RSA179525  Cynodon dactylon E. W. Lathrop 1960-6-8 4917 Riverside 14 miles west of Murrieta Comment
  CLARK-A1528-2  Cyperus eragrostis Fred B. Essig 1966-9-12 Riverside Riverside Comment
  RSA544303  Cyperus eragrostis Steve Boyd 1991-7-13 6408 Riverside Temescal Canyon, W base of Gavilan Hills, site of old glass factory between Temescal Wash & I-15, just S of Cajalco Road. Comment
  UCR168544  Cyperus eragrostis L. C. Wheeler 1932-9-4 1333 Riverside Prado Basin, Santa Ana River at Chino Creek 183 Comment
  UCR110370  Cyperus erythrorhizos A. C. Sanders, Mitch Provance 1999-9-26 23123 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA653218  Cyperus involucratus John Wallace 1991-5-18 31 Riverside Colorado River. Sec. 16, T2S, R24E. Approximately two miles south of Lost Lake Resort. Comment
  UCR92351  Cyperus odoratus Scott D. White, S. Ogg 1994-10-17 2460 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  RSA498351  Dalea mollis T. W. Minthorn 1925-08 s.n Riverside Near Indio Comment
  UCR166721  Dalea mollis Scott D. White, Jennifer H. Jones 2005-4-12 10865 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  POM211572  Dalea mollissima P. A. Munz 1941-3-5 16692 Riverside SE of Iron Mts. Comment
  RSA0107853  Dalea mollissima Duncan S. Bell, Amanda Turek 2009-3-30 163 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 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
  SEINET6656750  Dalea schottii Lewis S. Rose 1957-1-11 57029 Riverside La Quinta.; 0 15 Comment
  RSA603267  Dasyochloa pulchella Joseph A. Ewan 1933-2-20 10843 Riverside Southwest side Pinto Basin Comment
  POM15049  Datisca glomerata Mary F. Spencer 1922-6-26 1973 Riverside Idyllwild 1524 Comment
  RSA450078  Datura discolor J. C. Roos 1965-11-6 s.n. Riverside Colorado Desert, 26 miles west of Blythe. Comment
  RSA273281  Datura wrightii Glenn A. Gorelick 1966-8-13 s.n. Riverside Growing in dry sandy soil along dry creek bed, Rubidoux. Comment
  SEINET3078209 Image available Datura wrightii Ed LaRue 1989-4-20 Riverside Moreno Valley, old Riverside International Raceway on Day Street, ca 1/2 mi S of Hwy 60. Comment
  UCR16392  Datura wrightii J. R. Sweeten 1965-5-15 017 Riverside San Bernardino Mtns., White Water Canyon Road, about 3 mi from its jct with Hwy 60 549 Comment
  CAS-BOT-BC293821  Deinandra fasciculata Palmer Stockwell 1935-5-12 1221 Riverside 2.5 mi. N. of Elsinore Comment
  POM360342  Deinandra fasciculata J. D. Olmsted 1962-5-10 3609 Riverside Lake Matthews Road ca. 0.5 mile W of dam. 427 Comment
  CAS-BOT-BC131021  Deinandra mohavensis A. C. Sanders; T. Schram; D. Wappler 1994-10-4 15775 Riverside San Jacinto Mountains: nameless tributary of Azalea Creek ca. 1 mile due S of the Twin Pines Ranch buildings 1130 Comment
  CAS-BOT-BC523916  Deinandra paniculata R. E. Riefner, Jr. 2014-8-27 14 -304 Riverside City of Riverside, Moreno Valley,Box Springs Blvd., at Sycamore Canyon Blvd., W of 215-Freeway 483 Comment
  RSA735899  Deinandra paniculata Scott D. White, Justin M. Wood 2008-6-3 12058 Riverside Perris Basin: March ARB. Comment
  SBBG118794  Deinandra paniculata S. D. White 1999-10-7 7625 Riverside Menifee/Sun City area: S of McColl Ave and E of I-215 freeway; T5S R3W S27 440 Comment
  UC1746496  Deinandra paniculata A. C. Sanders, T. B. Salvato 2000-5-25 23423 Riverside 2 miles due east of Railroad Canyon Lake; Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake Comment
  UC9213  Delphinium H. M. Hall June 1901 2161 Riverside e base of mts along borders of Colorado Desert; San Jacinto Mountains Comment
  RSA192353  Delphinium cardinale H. A. Zuill 1966-6-16 221 Riverside Road to Fisherman's Camp in Tenaja Canyon about 12 miles SW of Murrieta. Comment
  RSA0020481  Delphinium parishii subsp. parishii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Colorado Desert. 366 Comment
  UCR102837  Delphinium parryi A. C. Sanders 1997-4-3 20176 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  UCR281267  Delphinium parryi Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 41 Riverside Perris-Aguanga Basin, Menifee, S side of Bundy Canyon Rd., E side of Loerch Ln., 0.2 miles W of Murrieta Rd. 518 Comment
  RSA0020476  Delphinium parryi subsp. parryi R. S. Woglum 1941-6-12 3062 Riverside Idyllwild. Comment
  RSA585725  Delphinium parryi subsp. parryi D. L. Banks, S. D. Boyd 1995-5-9 396 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
  SDSU800  Dendromecon rigida A. H. Gallup 1948-6-12 197 Riverside San Jacinto Mountain range. 914 Comment
  UCR133399  Dendromecon rigida Tracy Tennant, J. S. Ross 1998-5-7 MOR- 108 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCSB7040  Dendromecon rigida Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon and Oak Flat, from Corona side, Santa Ana Mtn. Range 701 Comment
  RSA433242  Dendromecon rigida subsp. rigida A. M. Johnson 1932-8-18 4137 Riverside San Jacinto Mtns. east side along road Comment
  RSA0013137  Deschampsia danthonioides LeRoy Gross, Caitlin Elam 2013-5-14 6076 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  SBBG59444  Deschampsia elongata R. Hoffmann 1929-9-7 Riverside Strawberry Valley Comment
  CLARK-A1656-708  Descurainia pinnata Theo Glenn 1979-2-11 Riverside San Jacinto Mountains 365 Comment
  UC494462  Descurainia pinnata subsp. glabra Philip A. Munz 1932-3-14 11989 Riverside Deep Canyon; Coachella Valley 91 Comment
  UCR144102  Dichanthelium acuminatum subsp. fasciculatum Scott D. White, Michael Honer 2003-6-3 9494 Riverside Peninsular Ranges; Santa Ana Mountains region, Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary 579 Comment
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May 3 2007
  RSA524406  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4097 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
  RSA702413  Dichelostemma capitatum subsp. capitatum Steve Boyd, Aydee Virgen 2004-4-13 10858 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  POM9564  Dichelostemma capitatum subsp. capitatum Philip A. Munz, R. D. Harwood 1920-2-28 3248 Riverside 3 miles west of Corona. 305 Comment
  RSA208915  Dichelostemma pulchellum var. pulchellum Robert L. Rutherford 267 Riverside Banning. Comment
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Mar 21 2011
  CAS-BOT-BC292181  Dicoria canescens Mrs. Robert Campbell 1921-11-26 2 Riverside Palm Springs Comment
  SBBG34737  Dicoria canescens T. L. Secrest 1950-3-12 Riverside near Indio Comment
  UC64816  Dicoria canescens E. E. Schellenger 1904-10-15 50 Riverside Whitewater Station 0 Comment
  UCD64071  Digitaria sanguinalis Scott D. White; Brian Leatherman 2004-10-7 10768 Riverside Perris Basin: City of Perris. Immediately east of the I-215 Freeway, at Watson Road. 434 Comment
  SEINET229299 Image available Diplacus bigelovii var. bigelovii Leila M. Shultz, John S. Shultz 1985-1 8346 Riverside Chuckawalla Mountains, alluvial fans at Alligator rock 335 Comment
  RSA0016052  Diplacus bigelovii var. bigelovii George Willet 1930-4-5 s.n. Riverside Temecula. Comment
  RSA0019404  Diplacus fremontii Kim Robinson 1990-5-26 13 Riverside Highway 243, heading S toward Idyllwild, at the turn-out directly across from Skyland Ranch. 1524 Comment
  RSA0019408  Diplacus fremontii Henry J. Ramsey, Henry J. Ramsey 1939-4-23 392 Riverside Hemet, Anza, Bautista Creek Rd. Comment
  CHSC26487  Diplacus puniceus James Henrickson 1970-4-10 4533 Riverside 8 air miles ESE of Temecula along Hy. 71-79. 542 Comment
  SEINET1906983  Diplotaxis muralis O. F. Clarke 2002-1 Riverside Riverside; UCR Botanical Garden. 351 Comment
  UCR102949  Ditaxis californica George K. Helmkamp 1998-4-4 3181 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  RSA421607  Ditaxis lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA721887  Ditaxis lanceolata J. Mark Porter, Orlando Mistretta 2003-6-5 13616 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  UC56528  Ditaxis lanceolata H. M. Hall May, 1901 1867 Riverside borders of Colorado Desert, e. base San Jacinto Mts. Colorado Desert, San Jacinto Mts. Comment
  UCR119343  Ditaxis lanceolata B. G. Pitzer 2000-5-7 4136 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  RSA0021557  Ditaxis neomexicana Duncan S. Bell, Aaron Sims 2012-3-10 2044 Riverside Orocopia Mountains; northeast section of range, approximately 4 air miles east of Chiriaco Summit. 497 Comment
  UCR58872  Ditaxis neomexicana J. M. Stewart 1989-10-16 612 Riverside Sonoran (Colorado) Desert, Big Maria Mountains, canyon on NE side Comment
  RSA426  Ditaxis serrata J. T. Howell 1927-8-1 528 Riverside Morongo Pass, Northern Colorado Desert 457 Comment
  CAS-BOT-BC43642  Dithyrea californica H. M. Hall 1905-4-15 5772 Riverside Colorado Desert. Indian Well. 0 Comment
  CAS-BOT-BC43647  Dithyrea californica John Thomas Howell 1928-3-11 3427 Riverside Colorado Desert. 6 miles southeast of Garnet Station, Coachella Valley. 152 Comment
  JOTR38664  Dithyrea californica Hodges, Stephen R. 2017-2-1 670 Riverside Joshua Tree National Park. Eagle Mountains, just inside the park boundary on the road to Pinto Wells Comment
  RSA0019474  Dithyrea californica J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24390 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps 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
  RSA651834  Dithyrea californica Brinkerhoff 1949-2-20 s.n. Riverside Thousand Palms, Colorado Desert. 762 Comment
  SEINET3148478  Dithyrea californica G. B. Grant 1906-1 266 a-6769 Riverside Colorado desert at Palm Springs Comment
  UCSB2316  Dithyrea californica Ilch, D. 1932-3-13 Riverside Palm Springs, Colorado Desert Comment
  CAS-BOT-BC412629  Dodecahema leptoceras A. G. Vestal 1937-5-10 s.n. Riverside 7.4 mi So of Hemet Comment
  POM13670  Dodecatheon alpinum subsp. majus P. A. Munz 1922-7-6 5993 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA736257  Dodecatheon clevelandii Scott D. White, Justin M. Wood 2008-4-3 11789 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  JEPS103619  Downingia cuspidata Lisa Schultheis 1995-5-9 144 -95 Riverside Santa Rosa Plateau Preserve Comment
  CAS-BOT-BC41634  Draba corrugata var. saxosa Philip A. Munz 1922-7-7 6043 Riverside San Jacinto Mountains. Summit of San Jacinto Peak. 3285 Comment
  UC219594  Draba corrugata var. saxosa P. A. Munz 1922-6-28 5870 Riverside Toro Peak Santa Rosa Mts., Toro Peak 2529 Comment
  RSA612492  Draba cuneifolia D. L. Banks 1997-2-23 1325 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
  UCR19087  Draba cuneifolia var. integrifolia John C. Roos 1952-3-19 5402 Riverside Peninsular Range, Box Springs Mountains [east edge of Riverside] 457 Comment
  CAS-BOT-BC159630  Drymocallis glandulosa var. glandulosa Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  HSC1035  Dryopteris arguta W. R. Supernaugh, Jr. 1964-12-24 24 Riverside Joshua Tree Nat'l Monument, 0.25 mi. E of Ryan Campground 1311 Comment
  RSA0037317  Dudleya abramsii John F. Emmel 1993-5-30 1261 Riverside San Jacinto Mts.; ridgetop 0.3-0.4 air mile SE of Fobes Saddle. 1938 Comment
  CAS-BOT-BC109486  Dudleya abramsii subsp. abramsii Philip A. Munz; P. C. Everett 1950-6-23 7114 Riverside 2 miles northwest of Pipe Creek, south of San Jacinto Mountains. 1402 Comment
  SD146294  Dudleya lanceolata A. C. Sanders, Mitch Provance 1998-5-14 21846 Riverside Jurupa Mountains; Rattlesnake Mountain (hill 1452m), Crestmore, above watertank west of Cedar Ave. 366 Comment
  RSA562430  Dudleya multicaulis D. E. Bramlet 1993-5-5 2338 Riverside Tributary to Olsen Cyn., some 76 m. S of the Cyn. and 90 m E of the existing dirt road. The site is approx 213m NE of the existing El Sobrante landfill. 375 Comment
  RSA397830  Dudleya saxosa G. D. Wallace 1964-4-26 s.n. Riverside Hwy 111 past Pinyon Flats. Comment
  CAS-BOT-BC109648  Dudleya saxosa subsp. aloides K. Nakai 1980-12-25 688 Riverside San Jacinto Mountains, 4.0 miles west of Mountain Center on Highway 74. 1219 Comment
  CAS-BOT-BC109625  Dudleya saxosa subsp. saxosa Reid Moran 1941-5-4 835 Riverside Hidden Valley, Joshua Tree National Monument. 1300 Comment
  UC192798  Echinocereus engelmannii subsp. engelmannii Samuel B. Parish 1880-1 Riverside Whitewater; Colorado Desert, Whitewater Comment
  RSA0125621  Echinocereus engelmannii var. engelmannii G. Ross Robertson s.n. Riverside Palm Springs, Colorado Desert. Comment
  RSA289844  Echinochloa crus-galli B. A. Prigge 1980-9-17 4065 Riverside Coachella Valley Stormwater Channel: Indio., Near 33 deg 44'N; 116 deg 14'W. -3 Comment
  JOTR32382  Elatine rubella La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2490 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  CLARK-A1656-829  Eleocharis geniculata Jon Mark Stewart 1982-11-13 82-014 Riverside Indio Hills 198 Comment
  RSA706563  Eleocharis geniculata A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25686 Riverside Colorado Desert: Coachella Valley, 84th Avenue, east of Johnson St., near west edge of Salton Sea 67 Comment
  RSA381084  Eleocharis montevidensis Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61177 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA736250  Eleocharis palustris Scott D. White, Justin M. Wood 2008-4-3 11799 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  UCR167843  Elymus condensatus T. B. Salvato, Melissa Clemons 2005-6-23 1330 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  RSA741059  Elymus elymoides Scott D. White, Justin M. Wood 2008-6-5 12066 Riverside Quinn Flat Meadow. 1372 Comment
  UCR2359  Elymus glaucus subsp. glaucus F. M. Reed 1907-6-16 1418 Riverside South Coast; San Bernardino Valley, Riverside, upper south fork of Arroyo Tequesquite 457 Comment
  UCR90588  Elymus glaucus subsp. virescens Scott D. White 1995-6-29 3389 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA401444A  Emmenanthe penduliflora R. Sayre 1981-5-9 64 Riverside Pierson Blud & Little Morongo Road. Comment
  RSA676092  Emmenanthe penduliflora Scott D. White 2001-4-13 8318 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  SEINET156521  Emmenanthe penduliflora Norman C. Cooper 1944-5-21 1269 Riverside San Jacinto Mtns. West side. 1067 Comment
  UCR107412  Emmenanthe penduliflora B. G. Pitzer 1997-3-23 2964 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
  UCR140321  Emmenanthe penduliflora A. C. Sanders 2004-5-12 27886 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR199561  Emmenanthe penduliflora Scott D. White 2004-4-26 10269 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 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
  SEINET12279715  Emmenanthe penduliflora J. Bright, Wyman, C. 1933-1 8080 Riverside between Radio and Palm Springs Comment
  SDSU3844  Encelia californica S. J. Barnhart 1966-4-17 660417 -15 Riverside South-west facing slope of small hill 0.1 mi. east of McAllister St. along the Metropolitan Water Co. Untility Road (dirt), which is 1.5. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  CAS-BOT-BC131319  Encelia farinosa C. F. B. 1903-4-4 4151 Riverside Elsinore Comment
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Sep 3 2017
  CAS-BOT-BC131346  Encelia farinosa W. R. Dudley 1903-12-26 s.n. Riverside Palm [Canon] Canyon Comment
  SBBG60960  Encelia farinosa R. C. and J. R. Robbins 1933-2-15 Riverside foot of Palms to Pines Hwy, ca. 11 mi SW of Palm Springs Comment
  SEINET2050575 Image available Encelia farinosa Ed LaRue 1989-4-7 Riverside Woodcrest area: 1/2 mi. NE of the intersection of Van Buren Blvd. & Mockingbird Canyon Road. 366 Comment
  UC1929638  Encelia farinosa V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1087 Riverside Transverse Ranges, Little San Bernardino Mountains region; Big Morongo Wash. 473 Comment
  UCD20085  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -211 Riverside Growing at mouth of Whitewater Canyon, about 15 miles northwest of Palm Springs. Comment
  UCD81589  Encelia farinosa Chuck Hughes 2009-3-27 72 Riverside S of Hwy 62 near the abandoned Desert Center Airport. Near Rice, CA. 227 Comment
  RSA25346  Ephedra aspera C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  CAS-BOT-BC81532  Ephedra californica Cecil Hart 1926-2-1 s.n. Riverside Palm Springs Comment
  JOTR33740  Ephedra californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2739 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA772007  Ephedra californica Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4966 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SD55  Ephedra californica Ruth B. Randall 1926-2-22 277 Riverside Cabazon near Whitewater 760 Comment
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Mar 13 2011
  UC1007229  Ephedra californica Philip A. Munz 1940-3-22 15657 Riverside 2 mi n Banning-Indio boulevard; Southern California, Whitewater Canyon Comment
  UC813662  Ephedra fasciculata var. clokeyi I. W. Clokey 1935-4-17 6511 Riverside Cottonwood Springs Comment
  RSA0124029  Ephedra nevadensis Duncan S. Bell, LeRoy Gross 2016-3-10 8888 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  SD181809  Ephedra nevadensis Louis C. Wheeler 1955-6-16 7158 Riverside Palm to Pines Highway 0.45 mile downhill from 3000 foot marker. Comment
  SEINET10532277  Ephedra trifurca Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6477 Riverside Rice Valley, 3 mi SSW of Rice. Common among sand dunes. 244 Comment
  SBBG51413  Ephedra viridis W. Zabriskie 1974-3-27 161 Riverside S of jct with North Cyn, Andreas Cyn Comment
  PASA1890  Epilobium adenocaulon Frank W. Peirson 1924-7-28 Riverside Pine Flats Camp, San Jacinto Mts. 1798 Comment
  RSA737422  Epilobium brachycarpum Justin M. Wood 2008-8-31 129 Riverside Romoland, Intersection of Ethanac Rd and Antelope Rd. 441 Comment
  SDSU8799  Epilobium canum subsp. canum James C. Dice, J. DeWald 1987-9-28 727 Riverside North side of Temecula Gorge, ca. 4.2 km ENE of Gavilan Mountain. T8S, R3W, northeast 1/4 of northeast 1/4 of section 27. 335 Comment
  UC64311  Epilobium canum subsp. latifolium H. M. Hall 1901-6 2330 Riverside ridges and peaks near Tauquitz; San Jacinto Mountains 2133 Comment
  SD129445  Epilobium ciliatum J. Hirshberg 1989-7-25 Riverside Butterfield country, southwest of Vail Lake. Comment
  UCR26278  Epilobium ciliatum John C. Roos 1952-6-25 5795 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  JOTR35179  Epilobium ciliatum subsp. ciliatum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3278 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
  POM48407  Epilobium ciliatum subsp. glandulosum P. A. Munz, I. M. Johnston 1924-7-28 8811 Riverside Pine Flats 1738 Comment
  UCR25047  Epilobium densiflorum A. C. Sanders 1981-7-22 1723 Riverside San Jacinto Mtns., Dutchman's Flat in Bear Trap Canyon, c. 1 mi. (airline) west of Idyllwild; between Hwy 243 and Foster Lake. 1814 Comment
  UCR25053  Epilobium glaberrimum A. C. Sanders 1980-7-22 1697 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  UC472747  Epipactis gigantea M. F. Spencer 1922-6-23 33 Riverside near Idyllwild; Colorado Desert, San Jacinto Mt. Comment
  UCR202585  Equisetum arvense Scott D. White, Justin M. Wood 2008-7-8 12373 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  SDSU13549  Equisetum laevigatum W. Miller, C. Mosse 1972-7-13 Riverside 100 yards west of M.W.D. station. Comment
  UCR201661  Equisetum laevigatum Scott D. White, Justin M. Wood 2008-5-15 11977 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR225723  Eragrostis curvula A. C. Sanders 2011-3-30 38904 Riverside Peninsular Range, city of Lake Elsinore, old section of Hwy 74 (bypassed) west of Ardenwood Way, curving around a rocky hill 424 Comment
  RSA653245  Eragrostis pectinacea Mitch Provance, A. C. Sanders 2000-7-4 2080 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  UCD64456  Eragrostis pectinacea Collector Unknown 1949-8-1 Riverside Riverside County. Comment
  UCR91874  Eragrostis pectinacea var. pectinacea A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15770 Riverside San Jacinto Mtns., N slope of mtns.; Twin Pines Creek in vicinity of confluence w/ Brown Crk. & of the dirt road crossing 854 Comment
  RSA0108820  Eremalche rotundifolia Duncan S. Bell, Amanda Turek 2009-3-30 183 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA0103567  Eremogone macradenia Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8590 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  SD181439  Eremothera boothii subsp. condensata V. Soza, J. M. Porter and G. D. Wallace 2001-4-2 1095 Riverside Little SanBernardino Mountains region: Mouth of West Wide Canyon, west side of Channel Run. Comment
  UCR251578  Eremothera boothii subsp. condensata Jim Andre 2013-3-27 24841 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  SD239835  Eremothera refracta Dave Silverman, Mark Bibbo 2010-3-31 7894 Riverside Southern McCoy Mountains, east bajada flank, 1.5 km west of Black Creek Road, 6.5 km north of I-10, and 6.9 km ENE of McCoy Peak. 177 Comment
  UC667370  Eremothera refracta Annie M. Alexander and Louise Kellogg 1941-5-15 2184 Riverside n base of Eagle Mts. Colorado Desert 914 Comment
  UCSB4490  Eremothera refracta Broder, Richard 1958-3-1 Riverside 2 miles south of south entrance to Joshua Tree National Monument, US 60-70 Comment
  UCR80901  Eriastrum densifolium subsp. densifolium G. Fred Hrusa 1993-6-24 11239 Riverside Along Hwy 371 c. 5 m north of junction with Hwy 79 900 Comment
  UCR214157  Eriastrum diffusum T. B. Salvato 2010-4-20 4050 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  CSUSB1768  Eriastrum eremicum Wayne White 1975-5-24 Riverside Chuckwalla Mountains Chuckwalla Mountains. On Highway I-10 to Red Cloud Road. Colorado Desert. 609 Comment
  JEPS69035  Eriastrum eremicum subsp. eremicum W. L. Jepson 1914-5-24 6063 Riverside Palm Springs of Mt. San Jacinto Colorado Desert 121 Comment
  RSA0120080  Eriastrum eremicum subsp. eremicum R. F. Thorne, C. W. Tilforth 1980-5-28 54248 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA0122946  Eriastrum eremicum subsp. eremicum Scott D. White, Justin M. Wood 2009-4-28 12616 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  CAS-BOT-BC514470  Eriastrum eremicum subsp. eremicum J. Cole 1942-5-1 972 Riverside Ruby Lee Mill Site, Joshua Tree National Monument 914 Comment
  RSA0120087  Eriastrum eremicum subsp. eremicum N. C. Cooper 1944-5-20 2643 Riverside Palm Springs. 137 Comment
  RSA0120100  Eriastrum eremicum subsp. eremicum P. A. Munz, P. C. Everett 1952-5-2 16257 Riverside 2 miles east of Garnet, Coachella Valley. 30 Comment
  UC63809  Eriastrum sapphirinum H. M. Hall Aug. 1901 2635 Riverside s side San Jacinto Mountains 1584 Comment
  UCR174123  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32617 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
  UCR59697  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3533 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  RSA0121571  Eriastrum sapphirinum subsp. dasyanthum N. C. Cooper 1944-5-20 1297 Riverside Banning. 701 Comment
  RSA0121579  Eriastrum sapphirinum subsp. dasyanthum P. A. Munz 1923-6-14 7103 Riverside Glen Ivy Trail to Santiago Peak, Santa Ana Mountains. 915 Comment
  UCSB14678  Eriastrum sapphirinum subsp. sapphirinum Breedlove, Dennis 1961-8-5 Riverside Along State Highway 74, 5 miles east of Keen Camp, Hemet Valley, San Jacinto Mountains 1341 Comment
  RSA0122976  Eriastrum sapphirinum subsp. sapphirinum W. Wisura 1986-9-18 4143 Riverside Along PCT N of Hwy 74 at Garner Valley. Comment
  LA202469  Ericameria linearifolia J. Warren; sn Riverside Palm Springs 457 Comment
  RSA500085  Ericameria linearifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3227 Riverside Vail Lake area: Between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  UCR100373  Ericameria palmeri var. pachylepis A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21616 Riverside Lake Skinner Reserve area, Crown Valley, east of Rawson Road 671 Comment
  UCR150558  Ericameria palmeri var. pachylepis Scott D. White 2003-12-1 9891 Riverside Santa Ana River Valley; city of Riverside; La Sierra area 244 Comment
  UCR250910  Ericameria palmeri var. pachylepis A. C. Sanders 2014-4-18 41027 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  SD239588  Ericameria parishii A. C. Sanders, Kent Beaman 2011-9-27 39924 Riverside Peninsular Range; Santa Ana Mtns.: Main Divide Truck Trail, 0.95 km ENE (78a^z) of Santiago Peak summit. 1402 Comment
  RSA594764  Ericameria parishii var. parishii D. L. Banks, Dylan Hannon 1996-5-3 0987 A Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  LA205877  Ericameria pinifolia Harlan Lewis; 1939-10-22 1032 Riverside San Jacinto Mountains, Hemet Lake 1371 Comment
  CAS-BOT-BC293301  Ericameria teretifolia Lewis S. Rose 1936-12-24 36815 Riverside San Jacinto Mts., Palms to Pines Highway. 24 mi. SW. of Indio 1066 Comment
  SEINET9371077  Ericameria teretifolia Unknown 1936-12-24 36815 Riverside Riverside 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
  UCR277716  Erigeron divergens Mitch Provance 2012-7-17 17643 Riverside Beaumont Plateau, W end of Banning, 400 ft. SW of W Ramsey St. and Roberg Ave., area of fence line dividing I-10 and parking lot. 744 Comment
  RSA761982  Erigeron foliosus Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 691 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC296236  Erigeron foliosus var. foliosus Carl B. Wolf 1932-5-25 3667 Riverside Snow Creek Canyon just above fish hatchery, No. base of San Jacinto Mts. 670 Comment
  RSA777166  Erigeron foliosus var. foliosus Steve Boyd, Valerie L. Soza 2004-6-22 11548 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UC63039  Erigeron foliosus var. foliosus H. M. Hall 1901-6-1 2147 Riverside e base, along the borders of Colorado Desert; Southern California, San Jacinto Mountains, Colorado Desert Comment
  RSA503428  Erigeron foliosus var. stenophyllus J. D. Olmsted 1962-5-10 3663 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  UCD65712  Eriochloa acuminata A. R. Roos 1937-11-28 Riverside East Washington St., Riverside. Comment
  POM319080  Eriodictyon crassifolium Patricia Wilder 1971-9-29 5267 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
Read comments
Mar 27 2011
  RSA455014  Eriodictyon crassifolium N. R. Zabriskie, W. M. Zabriskie 1971-4-24 398 Riverside Water service road above crossing of Deep Canyon, Santa Rosa Mts. 1317 Comment
  UCSB9448  Eriodictyon crassifolium Lloyd, Robert 1959-4-17 Riverside 3 miles south of West Corona on the Oak Flat Fire Road; Santa Ana Mt. Range; Pacific Ocean drainage area 335 Comment
  POM312183  Eriodictyon crassifolium var. crassifolium N. Cooper 1944-4-8 1066 Riverside Andreas Canyon. 305 Comment
  UCR35117  Eriodictyon crassifolium var. crassifolium L. B. Ziegler 1967-5-18 131 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  JOTR16711  Eriodictyon trichocalyx var. trichocalyx Hogan, J. 1974-6-24 77 Riverside Joshua Tree National Park. 1.5 MILES WEST OF EUREKA PEAK 1554 Comment
  SBBG123018  Eriogonum apiculatum L. Wheeler 1945-10-7 6412 Riverside divide between W Fk Snow Crk and N Fk San Jacinto River 2377 Comment
  CAS-BOT-BC242789  Eriogonum davidsonii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Between Idyllwild & Keen Camp Comment
  POM229032  Eriogonum davidsonii P. A. Munz 1937-5-29 15152 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  SD22474  Eriogonum davidsonii Susan G. Stokes 1933-7-1 Riverside Roadside near Idyllwild 1524 Comment
  UCR106735  Eriogonum davidsonii John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR77749  Eriogonum davidsonii Steve Boyd 1991-9-8 6432 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  UCR72173  Eriogonum deflexum Theo Glenn 1991-5-15 91- 134 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  RSA393496  Eriogonum elongatum H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon, San Jacinto Mts. 526 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
  UCR174235  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32668 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  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
  RSA49381  Eriogonum fasciculatum var. flavoviride P. A. Munz 1949-4-12 13030 Riverside North base of Eagle Mts., Mojave Desert. 945 Comment
  UC1032054  Eriogonum fasciculatum var. foliolosum A. Lewis May 1934 435 Riverside Los Pinos Peak Cleveland National Forest, Elsinore Quadrangle, Los Pinos Pe Comment
  UC1329844  Eriogonum fasciculatum var. polifolium James E. Cole 1941-5-17 715 Riverside Covington Flat Canyon Joshua Tree National Monument, Covington Flat Canyon 1371 Comment
  SDSU13671  Eriogonum gracile var. gracile W. Miller with C. Mosse 1972-8-9 Riverside Comment
  SEINET9037370 Image available Eriogonum gracile var. gracile M. Wall 2003-9-6 344 Riverside Peninsular Ranges; Perris-Aguanga Basion region; 540 Comment
  CAS-BOT-BC257572  Eriogonum inflatum H. M. Hall 1901-6-1 2120 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert Comment
  CAS-BOT-BC257575  Eriogonum inflatum Philip A. Munz 1937-5-29 15145 Riverside Dead Indian Creek, north base, Santa Rosa Mts. 457 Comment
  RSA615042  Eriogonum molestum G. R. Ballmer 1991-8-11 s.n. Riverside Santa Rosa Mountains, Santa Rosa Mountain Rd (Truck Trail going up Santa Rosa Mountain), ca. 8 mi. SE of the junction with Hwy 74. West of Deep Canyon. Comment
  RSA761327  Eriogonum molestum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 685 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  JOTR35374  Eriogonum nudum var. pauciflorum Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. just east of Inspiration Point, localized population in canyon 1620 Comment
  POM48879  Eriogonum nudum var. pauciflorum P. A. Munz, I. M. Johnston 1924-7-27 8736 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  UCR41744  Eriogonum reniforme A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6069 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 1/2 mi. west of Graham Pass Rd., on powerline road 1/2 mi. south of old Hwy 60 (Chuckwalla Road) 134 Comment
  CAS-BOT-BC263514  Eriogonum thomasii L. R. Abrams 1926-3-27 11120 Riverside Near Whitewater Comment
  CHSC8079  Eriogonum thomasii Edward L. Smith 1958-3-21 384 Riverside Located 6 mi. s of Rice, near Priest's Well. Little Santa Maria Mts. 365 Comment
  POM147642  Eriogonum thomasii F. M. Reed 1927-3-20 5413 Riverside Salt Creek Wash. Comment
  SBBG1631  Eriogonum thomasii H. and M. Dearing 1942-4-8 4871 Riverside Riverside Mtns, 35 mi N of Blythe Comment
  SEINET3087900 Image available Eriogonum thomasii George K. Helmkamp 1995-3-16 Riverside W of Rice Rd. 10.3 miles NE of Desert Center. On alluvial fan below rocky slopes of Coxcomb Mtns. Common. [UTN 10 km cell: PH-5E 4N. Coxcomb (S)] 198 Comment
  UC1551916  Eriogonum thomasii David Charlton 1988-2-18 1143 Riverside 1 mi e Jct. Dillon Rd. and Fargo Cyn Rd. (Fargo Canyon Road to Cottonwood Wash, s of Joshua Tree National Park, parallel to I-10, s side of Little San Bernardino Mts.); Little San Bernardino Mts. 609 Comment
  CLARK-A1045-98  Eriogonum thurberi George K. Helmkamp 1977-6-7 Riverside Riverside at the ""falls"" [sand at west base of Mt. Rubidoux]; Riverside West 7.5'Q Comment
  POM47238  Eriogonum thurberi Mary F. Spencer 1920-4-5 s.n. Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA339648  Eriogonum thurberi Robert F. Thorne, C. W. Tilforth 1980-5-28 54237 Riverside San Bernardino Mountains: Along Whitewater River, ca 3.2 miles N of Whitewater P.O. and Hwy 10. Comment
  UC912804  Eriogonum thurberi Ivan Johnston Apr 4 1917-Apr 6 1917 1085 Riverside near Palm Spring; Colorado Desert 152 Comment
  JOTR29220  Eriogonum wrightii var. nodosum La Doux, Tasha, Mike Bell 2005-9-15 1333 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  JEPS5462  Eriophyllum ambiguum var. paleaceum Dr. L. M. Newlon 1922-4-4 454 Riverside Palm Canon Mt. San Jacinto, Palm Canon Comment
  POM160097  Eriophyllum ambiguum var. paleaceum E. C. Jaeger 1927-3-23 s.n. Riverside Travertine Point [Travertine Rock?], Colo. Desert. Comment
Read comments
Nov 24 2016
  POM357969  Eriophyllum confertiflorum Emery M. Whilton 1937-4-23 s.n. Riverside Taken on the crest of the San Jacinto Mtns. Comment
  SEINET2051097 Image available Eriophyllum confertiflorum R. P. Sunderman 1968-5-1 5 Riverside University of California, Riverside. 335 Comment
  UCR98208  Eriophyllum confertiflorum B. G. Pitzer 1997-4-1 3051 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  CAS-BOT-BC301800  Eriophyllum multicaule A. C. Sanders; J. C. Lyman 1995-4-16 1655904 Riverside Glen Avon: sand dune area on the N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  POM358079  Eriophyllum multicaule M. B. Dunkle 1935-3-10 4355 Riverside Temescal Canyon. 274 Comment
  POM8304  Eriophyllum multicaule P. A. Munz, R. D. Harwood 1920-3-20 3386 Riverside Temescal Canyon. 366 Comment
  UCR249827  Eriophyllum multicaule T. B. Salvato, John Lovio 2013-3-19 7366 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  RSA396465  Eriophyllum wallacei Walter Wisura 1987-5-21 4158 Riverside 3.8-3.9 miles from Hwy 74 along forestry road, 5S13, S of Lake Hemet toward Thomas Mtn, San Jacinto Range Comment
  UC31774  Eriophyllum wallacei H. M. Hall 1899-6-23 1179 Riverside El Toro Mt. San Jacinto Mountains, Coyote Canyon, El Toro Mt. (in Coyote Canyon) 1524 Comment
  UCR227099  Eriophyllum wallacei Jim Andre 2011-2-2 16202 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  SD255763  Erodium botrys Mitch Provance 2012-5-24 512 1 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Ave. and Wilson St. 868 Comment
  RSA543586  Erodium brachycarpum Steve Boyd 1991-5-6 6138 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA747918  Erodium cicutarium Justin M. Wood 2009-3-3 325 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 Comment
  UCR178525  Erodium cicutarium R. G. Swinney 1967-2-12 0027 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  UCR24925  Erysimum capitatum var. capitatum A. C. Sanders 1980-7-18 1651 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA0015881  Erythranthe moschata Justin M. Wood, Brandy Wood 2009-6-13 881 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  RSA0015889  Erythranthe moschata N. C. Cooper 1944-7-16 1564 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  RSA0015895  Erythranthe parishii Steve Boyd, Tim S. Ross 1991-6-8 6327 Riverside San Jacinto Mountains, Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill N of Highway 74. Comment
  RSA0022936  Eschscholzia androuxii F. R. Fosberg 1983-4-23 64169 Riverside Whitewater Bridge. Comment
  UCR138153  Eschscholzia californica D. L. Banks 1997-3-29 1570 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR777  Eschscholzia californica Joe Buriel 1966-3-12 s.n. Riverside Off Van Buren Avenue, 1 mi. east of Mockingbird Canyon Road turnoff 457 Comment
  RSA5164  Eschscholzia minutiflora Carl B. Wolf 1932-4-26 2975 Riverside Colorado Desert: 5 mi. E of Mecca on Blythe rd. 30 Comment
  UCR214431  Eschscholzia minutiflora A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37494 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  SEINET3094855 Image available Eschscholzia minutiflora var. darwinensis C. F. Shutts 1949-3-19 58 Riverside Cottonwood Pass, Little San Bernadino Mtns. 305 Comment
  UCD96486  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-14 253 Riverside California. Riverside County: Joshua Tree National Park. 857 Comment
  CAS-BOT-BC419650  Eschscholzia parishii H. L. Mason 1928-3-10 4191 Riverside Whitewater River Comment
  JEPS24433  Eschscholzia parishii Peter M. Ray 1949-3-12 1362 a Riverside 2 mi w Whitewater (n side of Valley); Coachella Valley 457 Comment
  NY43342  Eschscholzia parishii C. R. Annable 1995-3-12 2270 Riverside Box Canyon Wash, Hwy 195 Comment
  UCR5903  Eschscholzia parishii David T. Wright 1966-3-5 s.n. Riverside Sonoran (Colorado) Desert, 2 mi south of Palm Desert at the mouth of Deep Canyon Comment
  SBBG104165  Escobaria vivipara var. alversonii E. R. Blakley 1993-5-20 7567 Riverside Pinto Mtns, E of White Tank Cmpgrd, Joshua Tree Nat Monument Comment
  RSA0010857  Eucalyptus camaldulensis D. L. Banks 1997-3-29 1559 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
  SDSU14244  Eucrypta chrysanthemifolia var. chrysanthemifolia Ingrid Poulin 2002-3-22 10 Riverside Santa Margarita Ecological Reserve; Red Mountain Truck Trail, 0.6 miles northeast of N. Stagecoach Lane. 216 Comment
  UC1979533  Eucrypta chrysanthemifolia var. chrysanthemifolia Darin L. Banks, Steve Boyd 1995-4-5 159 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail, in the N flowing drainage that empties into Arroyo Seco. Comment
  HSC24947  Euonymus occidentalis var. parishii Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mtns. 1921 Comment
  JEPS9603  Euonymus occidentalis var. parishii Carl V. Meyer 1928-7-24 514 Riverside Shady canyon above Idyllwild Falls; San Jacinto Mountains, above Idyllwild Falls Comment
  CAS-BOT-BC310320  Euphorbia abramsiana Duncan S. Bell 2012-9-13 4176 Riverside Arica Mountains. Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well 202 Comment
  UCR172190  Euphorbia albomarginata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  SEINET8043500 Image available Euphorbia eriantha Duncan S. Bell, Evan Meyer 2014-1 6517 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA0124747  Euphorbia jaegeri Duncan S. Bell, LeRoy Gross 2016-3-9 8838 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  UCR112477  Euphorbia maculata A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23330 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  SDSU17677  Euphorbia polycarpa Jerry Jenkins 2001-4-3 2001 -039 Riverside Santa Margarita Ecological Reserve. Road to mine, UTM zone 6, 482900E, 3699600N. Comment
  RSA19302  Euphorbia polycarpa var. hirtella L. S. Rose 1936-12-18 36790 Riverside Desert wash, Palm Springs. Comment
  SD215502  Euphorbia prostrata Louis C. Wheeler 1964-10-10 8634 Riverside 3300 Oak Ave. Corona. Comment
  UCR5295  Euphorbia prostrata O. F. Clarke 1966-10-2 661002- 11 Riverside Riverside, residential garden of O.F. Clarke, 1012 Spruce Street [now the site of an apartment complex, 2001] 305 Comment
  UCR101406  Euphorbia serpillifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22212 Riverside San Bernardino Mtns., Morongo Indian Reservation, East Branch of Millard Canyon 1128 Comment
  UCR99450  Euphorbia serpillifolia subsp. hirtula L. C. Wheeler 1945-10-7 6144 Riverside San Jacinto Mtns., Fuller Mill Creek, North Fork of San Jacinto River 1829 Comment
  SD43539  Euphorbia setiloba Philip A. Munz 1946-10-20 11579 Riverside Palms to Pines Highway at north base of Santa Rosa Mountains 1039 Comment
  UCR150976  Euphorbia spathulata D. L. Banks 1997-3-29 1601 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  CAS-BOT-BC171041  Fagonia laevis Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13236 Riverside In wash arising in Big Maria Mts., Highway U.S. 95, 11.3 mi. N of Blythe Comment
  POM14909  Fagonia laevis Mary F. Spencer 1922-4-3 239 Riverside Tahquitz Canyon, Palm Springs, Colorado Desert. 213 Comment
  RSA391201  Fagonia laevis Jack Rempel, Lester H. Cushman 1932-3-13 15516 Riverside Deep Canyon Colo. Desert. Comment
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Dec 10 2011
  UCR72160  Fagonia laevis Theo Glenn 1991-5-7 91- 89 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 365 Comment
  UCR91558  Fagonia laevis A. C. Sanders, A. Knapp, P. J. MacKay, L. Lubinsky, et al. 1995-2-12 15922 Riverside Sonoran (Colorado) Desert, Coachella Valley, mouth of Fargo Canyon, Litthe San Bernardino mtns., 1.2 mi. above junction with Aqueduct Road. 367 Comment
  GMDRC5049  Fagonia pachyacantha J. Andre, G. L. Clifton 2011-2-22 17444 Riverside Mecca Hills: along Box Canyon Rd, 10.3 mi. NE of town of Mecca 219 Comment
  JOTR31895  Fagonia pachyacantha La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2144 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  UCR86213  Fagonia pachyacantha A. C. Sanders 1995-5-23 17115 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  RSA645543  Fatoua villosa A. C. Sanders, S. Morgan 1995-11-30 17927 Riverside Riverside: weed in the UCR Botanic Garden [UTM 10km cell: MH-7E, 5N. Edgemont.] 366 Comment
  CLARK-A1045-95  Festuca megalura George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains 6 miles west of Pine Cove; on dirt road near North Fork of the San Jacinto River; ; Lake Fulmor 7.5'Q 1676 Comment
  CLARK-A1528-4659  Festuca microstachys John C. Roos 1950-4-15 4737 Riverside Reche Canyon 761 Comment
  UCR214150  Festuca microstachys A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37714 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.45 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 418 Comment
  UCR133669  Festuca myuros 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
  UCR174097  Festuca myuros A. C. Sanders 2006-5-19 32464 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
  RSA525321  Filago arizonica Steve Boyd, David E. Bramlet 1990-4-29 4475 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  POM36325  Filago californica Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA586249  Filago californica D. L. Banks 1995-4-11 0168 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, E of the Dripping Springs Trail. 950 Comment
  RSA678343  Filago californica Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10482 -A Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR116903  Filago californica A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23971 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR167298  Filago californica Scott D. White, Jennifer H. Jones 2005-5-24 11096 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR41225  Filago californica N. M. Fellows, A. C. Sanders 1985-4-9 124 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR99160  Filago californica A. C. Sanders, G. Helmkamp 1997-3-15 19992 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  UCR166299  Filago depressa A. C. Sanders, P. J. MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19675 Riverside Colorado Desert/San Jacinto Mtns, Palm Springs, Indian Avenue at Las Vegas Road, below mouth of Chino Canyon 188 Comment
  UCR15606  Filago gallica George K. Helmkamp 1978-6-1 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau, vernal pool 7 mi [west] of Murrieta near the origin of DeLuz Creek 671 Comment
  UCR167872  Filago gallica T. B. Salvato, Melissa Clemons 2005-6-2 1346 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
  UCR116000  Foeniculum vulgare A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23309 Riverside Shipley-Skinner Reserve, campground and boat launching area on the east side of Lake Skinner 457 Comment
  UCR17335  Forestiera pubescens N. R. Zabriskie, W. W. Zabriskie 1971-8-20 426 Riverside Santa Rosa Mtns, Canyon above first turnout E side of Santa Rosa Mountain Road, 0.6 mi above Hwy 74 1524 Comment
  UCR16771  Fragaria vesca subsp. californica Ed West 1972-5-5 07 Riverside San Jacinto Mtns, 17.4 mi from Banning on the Palms-to-Pines Hwy [Hwy 243], beside Fuller Mill Creek 1707 Comment
  RSA0116269  Frankenia salina Mitch Provance, Ken Halama 2003-6-15 17046 Riverside Temescal Mountains: Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA612476  Fritillaria biflora Darin L. Banks 1997-2-23 1341 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border. 402 Comment
  CAS-BOT-BC520432  Fumaria officinalis O. F. Clarke 2004-3-13 s.n. Riverside Peninsular Range: Riverside: O.F. Clarke residence, 266 Frost Court, E edge of UCR campus 350 Comment
  UCR76157  Fumaria parviflora John Wear 1993-1 s.n. Riverside Coachella Valley, near Mecca Hills 61 Comment
  RSA70347  Funastrum hirtellum F. W. Peirson 1927-4-12 7160 Riverside Painted Canyon, near Mecca Comment
  HSC101233  Funastrum utahense Jim Andre 2012-4-15 20848 Riverside West end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10. 395 Comment
  POM11431  Galium andrewsii subsp. andrewsii Philip A. Munz 1922-7-3 5958 Riverside South side of Santa Rosa Mts. 1677 Comment
  POM13009  Galium andrewsii subsp. andrewsii Philip A. Munz, I. M. Johnston 1922-5-19 5436 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  SD236403  Galium angustifolium A. C. Sanders, Tim Thomas 2008-8-1 35937 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. 1402 Comment
  UCR125219  Galium angustifolium Mitch Provance 1998-5-24 531 Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  JEPS56081  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-18 4137 Riverside junction Route 71 and Route 74 San Jacinto Mountains, Paradise Valley (s end of mts) Comment
  RSA761999  Galium angustifolium subsp. angustifolium Patrick Garrett, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 81 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  LA208473  Galium angustifolium subsp. gracillimum Martha Hilend; 1930-6-27 612 Riverside Santa Ana River, near Leven lake Comment
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Mar 9 2014
  UCR268305  Galium angustifolium subsp. jacinticum Jim Andre 2012-6-15 30513 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  RSA0013626  Galium aparine LeRoy Gross, Duncan S. Bell 2013-4-30 6033 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  UCR174261  Galium porrigens A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32674 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., near stream crossing of dirt road 549 Comment
  POM68616  Galium stellatum Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  RSA0126633  Galium stellatum subsp. eremicum Duncan S. Bell 2016-3-4 8804 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  CAS-BOT-BC217619  Galium stellatum subsp. stellatum Milo S. Baker 1928-4-3 2786 b Riverside Palm Canyon Comment
  UC1007231  Galium stellatum var. eremicum Philip A. Munz 1940-3-24 15701 Riverside 2 mi n Cottonwood Springs; Eagle Mts. 914 Comment
  RSA776845  Galium stellatum var. eremicum Amber Swanson 2011-3-18 231 Riverside Near campsite off Corn Spring Rd in Chuckwalla Mtns 575 Comment
  UCR26633  Galium trifidum E. W. Lathrop 1966-5-8 6471 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  UC489039  Garrya flavescens C. V. Meyer Jun 1927 183 Riverside Tahquitz Ridge; San Jacinto Mts. 1828 Comment
  CAS-BOT-BC192125  Garrya fremontii H. M. Hall 1901-7-1 2452 Riverside Tahquitz [Tanquitz] Valley, San Jacinto Mt. 2133 Comment
  CAS-BOT-BC158070  Garrya veatchii B. D. Stark 1930-3-18 1490 Riverside Mt. San Jacinto Comment
  CAS-BOT-BC158073  Garrya veatchii Peter H. Raven 1958-5-18 12970 Riverside chaparral 2.3 miles from Mountain Center on road to Hemet, San Jacinto Mountains Comment
  SEINET10492283  Gayophytum nuttallii David B. Dunn 1946-8-17 Dunn 2686 Riverside Grass near stream at camp in taquity valley damp meadow area. San jacinto mountains. 2438 Comment
  CAS-BOT-BC154107  Geraea canescens N. Aitkenhead 1977-2-3 2117 Riverside At intersection of T/L & Chuckwalla Mnt. Road Comment
  CAS-BOT-BC303590  Geraea canescens Lewis S. Rose 1936-12-29 36833 Riverside La Quinta 0 Comment
  CDA5433  Geraea canescens T. C. Fuller 1961-1-1 5495 Riverside Frontage road, Thousand Palms. 0 Comment
  POM358668  Geraea canescens Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA795974  Geraea canescens Duncan S. Bell 2009-4-19 295 Riverside Arica Mountains: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  UC472328  Geraea canescens Joseph Grinnell 1910-3-17 Riverside sand bank at foot of mesa Colorado River, Riverside Mt. Comment
  UCD132581  Geraea canescens P. C. Everett; E. K. Balls 1958-4-29 22956 Riverside US Hwy. 60/70 Indio to Blythe, 2.7 miles east of junction with Highway 99. 30 Comment
  RSA0028449  Geranium dissectum Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55224 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  RSA676050  Gilia Scott D. White 2001-4-3 8254 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR174178  Gilia A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32572 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
  SEINET7073408  Gilia angelensis A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UCR5633  Gilia angelensis Duane Hobson 1966-3-22 17 Riverside Hill behind UCR. 100 yds. behing old agricultural directors house. 271 Comment
  UCR30803  Gilia australis A. C. Sanders, Ken Berg 1980-5-1 1357 Riverside San Jacinto Mountains, Garner Valley. Dry bench above valley floor 0.25 mi NW of Kenworthy Ranger Station 1433 Comment
  CHSC35470  Gilia capitata subsp. abrotanifolia James Henrickson 1973-3-18 8597 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  POM122410  Gilia capitata subsp. abrotanifolia Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA526176  Gilia capitata subsp. abrotanifolia Steve Boyd, T. S. Ross 1990-5-11 4678 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UC310671  Gilia capitata subsp. abrotanifolia Philip A. Munz 1926-5-2 10425 Riverside about 5 mi nw Dripping Springs; nw of Dripping Springs Comment
  RSA67337  Gilia diegensis J. Rattenbury 1949-4-28 172 Riverside Nera Pinyon Flat Public Camp on Hwy 174, north of Mt. Santa Rosa. 1220 Comment
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Sep 4 2011
  UCR21019  Gilia diegensis W. W. Mayhew 1978-5-4 s.n. Riverside San Jacinto Mtns, 2 mi. east of Lake Hemet in Garner Valley. 1341 Comment
  RSA717447  Gilia latifolia Scott D. White, Pam De Vries 2006-3-14 11259 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  JEPS4073  Gilia ochroleuca subsp. exilis M. French Gilman 1921-4-15 12 Riverside Banning Comment
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Dec 17 2016
  RSA0017269  Gilia ochroleuca subsp. exilis Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA67695  Gilia sinuata Verne Grant, Alva Grant 1952-4-1 17522 Riverside Near White Tank at summit of pass between Little San Bernardino Mountains and Pinto Mountains Comment
  JEPS20714  Gilia stellata Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13244 Riverside 11.3 mi n Blythe (U. S. 95); wash arising in Big Maria Mts. Comment
  RSA111282  Gilia stellata Verne Grant, James Davis 1957-3-30 9896 Riverside Mouth of Morongo Canyon. 701 Comment
  UC68723  Gilia stellata H. M. Hall Apr., 1905 5790 Riverside 10 mi w Indio (Colorado Desert); , w of Indio 30 Comment
  UC908831  Gilia stellata Annie M. Alexander and Louise Kellogg 1941-5-14 2170 Riverside 2.5 mi s Cottonwood Spring (Eagle Mountains); Colorado Desert, , s of Cottonwood Spring 838 Comment
  UCR200399  Gilia stellata Tasha La Doux, Jim Andre 2008-3-21 150 Riverside Eastern Mojave Desert, Joshua Tree National Park, Lower Wilson Wash along NE side of paved road 853 Comment
  UCR193129  Githopsis diffusa subsp. candida A. C. Sanders, Tim Thomas 2008-6-20 35538 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  POM48365  Glyceria striata P. A. Munz, I. M. Johnston 1924-7-27 8784 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  POM12085  Glycyrrhiza lepidota Mary F. Spencer 1734 Riverside Canyon near San Jacinto Comment
  RSA519248  Gnaphalium californicum Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  UCR201423  Gnaphalium palustre Scott D. White, Justin M. Wood 2008-6-17 12153 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  UCR263237  Gnaphalium palustre A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41453 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  JOTR30989  Guillenia lasiophylla La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1967 Riverside Joshua Tree National Park. (Stop 5) Hexie Mountains, slopes above north side of Blue Cut Gorge 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
  UCR89835  Gutierrezia californica Scott D. White 1993-5-27 1431 B Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  POM122960  Gutierrezia sarothrae Marcus E. Jones 1926-5-31 s.n. Riverside Corona Comment
  RSA500143  Gutierrezia sarothrae Steve Boyd, L. Arnseth 1989-6-4 3653 Riverside Vail Lake area, W base of hills between Temecula and Wilson Creeks. 488 Comment
  CLARK-A1528-1891  Haplopappus linearifolius John C. Roos 1952-4-2 5466 Riverside Box Springs Canyon 426 Comment
  CLARK-A1528-1905  Haplopappus squarrosus John C. Roos 1952-8-27 5890 Riverside Reche Canyon 457 Comment
  RSA0066620  Harpagonella palmeri A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32568 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR172197  Harpagonella palmeri 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
  SD128548  Hazardia squarrosa var. grindelioides Reid Moran 1969-10-25 16662 Riverside Poppet Flat Road, N slope San Jacinto Mts. 1250 Comment
  RSA713800  Hedera canariensis A. C. Sanders 2001-4-4 23910 Riverside Riverside: UCR campus; fence north of greenhouses SE of Boyce Hall, ca. 50 m west of E Campus Dr. 348 Comment
  UCR199717  Hedypnois cretica Scott D. White 2008-4-28 11913 Riverside San Gorgonio Pass, Banning, south of Hwy I-10 and just north of San Jacinto Mountains toe slope. East of Sunset Avenue 701 Comment
  CAS-BOT-BC211544  Helianthemum scoparium Carl B. Wolf 1936-6-17 7956 Riverside Tenaja Road, 1 4/10 mi. off Ortega Highway on road to La Cienega, Santa Ana Mts. 609 Comment
  UCR124218  Helianthemum scoparium S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  JEPS8949  Helianthus annuus Rimo Bacigalupi with G. T. Robbins 1954-5-16 4469 Riverside one-half mi w Lakeview (just e of Lakeview (formerly Ginsberg) Hot Springs); valley of San Jacinto River 432 Comment
  UCD132794  Helianthus annuus K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCR21849  Helianthus annuus subsp. lenticularis Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  RSA0012944  Helianthus californicus C. W. Tilforth, John Dourley 1970-9-2 306 Riverside Along road to Santa Rosa Mountain. Comment
  UCR261216  Helianthus gracilentus A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41734 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 396 Comment
  RSA525279  Hemizonia fasciculata Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4593 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA674548  Hemizonia fasciculata Scott D. White 2000-5-1 7753 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UCR121173  Hemizonia fasciculata D. E. Bramlet 1989-5-21 1879 Riverside Lake Skinner area, Tucalota Creek drainage, in the center of the Tucalota Hills. 5,500 ft. (~1 mi.) east of 'Old' Warren Road. 482 Comment
  UCR121682  Hemizonia fasciculata Ian G. Gillespie, Abby Sirulnik 2000-5-7 32 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  UCR43409  Hemizonia fasciculata B. G. Pitzer, Karen Kirtland 1986-5-16 0262 Riverside Peninsular Range, Woodcrest area, adjacent to W side of Van Buren Blvd, and just north of Riverside city limit; E border adjacent to Gage Canal 351 Comment
  UCR139626  Hemizonia kelloggii A. C. Sanders 2004-6-30 28405 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  SEINET1907213  Hemizonia paniculata Mitch Provance, A. Montalvo 2005-1 6702 Riverside Granitie Knolls and Mesas of Riverside: South Riverside (Prenda area), vicinity of the Prenda Arroyo, near the spillway of the Woodcrest Dam. 335 Comment
  UCR105991  Hemizonia paniculata D. L. Banks 1997-6-16 2061 Riverside NW Palomar Mtns., Agua Tibia Mtns: Pechanga Indian Reservation. On the south side of Pechanga Rd., c. 20 m west of the old schoolhouse 378 Comment
  UCR183342  Hemizonia paniculata Mitch Provance 2005-5-27 4606 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  UCR220022  Hemizonia paniculata A. C. Sanders 2010-11-18 38693 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  UCR189809  Hemizonia pungens subsp. laevis Diane Menuz 2006-5-9 070 Riverside Peninsular Range; Perris Basin, San Jacinto Wildlife Area, across the street from the information booth, north of Lakeview and east of Davis Rd. 434 Comment
  JOTR30115  Hesperocallis undulata La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1682 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  POM47433  Heterotheca fastigiata Mary F. Spencer 1919-7-8 1268 Riverside Edge of woods, Idyllwild, San Jacinto Mts 1616 Comment
  POM266279  Heterotheca horrida subsp. cinerascens J. C. Roos 1942-10-24 2571 Riverside Wonderland of Rocks' Joshua Tree National Monument. Comment
  UCR23734  Heterotheca sessiliflora subsp. echioides John C. Roos 1937-8-19 2499 Riverside San Jacinto Mtns, Idyllwild Comment
  UCR128306  Heuchera Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8637 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  CAS-BOT-BC47578  Heuchera parishii Carl B. Wolf 1932-8-5 3977 Riverside San Jacinto Mts. Summit of San Jacinto Peak 3293 Comment
  JOTR29576  Hibiscus denudatus Andre, Jim 2006-4-6 6689 Riverside Joshua Tree National Park. Wilson Canyon, along Pinto Basin Rd 865 Comment
  SBBG104702  Hibiscus denudatus T. Glenn 1991-5-2 91 -22 Riverside McCoy Mtns NW of Blythe 350 Comment
  CAS-BOT-BC312332  Hieracium albiflorum Mary F. Spencer 1919-7-5 1343 Riverside San Jacinto Mts. 1645 Comment
  UCR151099  Hieracium albiflorum Scott D. White, Julie Greene 1998-8-1 6971 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  HSC34760  Hilaria rigida R. E. Cooksey Mar 1974 201 Riverside Chino Canyon below Palm Springs Tramway; San Jacinto Mtns. 381 Comment
  SEINET6654966  Hoffmannseggia densiflora Sears 1977-10-12 S 583 Riverside 20 miles East of Desert Center, 10 miles East of Corn Springs exit.; 0 134 Comment
  RSA0096927  Hoffmannseggia glauca L. C. Wheeler 1954-11-25 7103 Riverside Twenty miles north of Blythe. Comment
  CAS-BOT-BC207551  Hoffmannseggia microphylla Miss Ferguson 1917-4-5 s.n. Riverside Near Palm Canyon Comment
  UCSB3081  Hoffmannseggia microphylla Beeks, Richard 1952-4-4 Riverside Seven miles north of Mecca in Box Canyon Comment
  SD137784  Hoita macrostachya Darin L. Banks, Victor Steinmann 1995-7-10 750 Riverside NW Palomar Mountains, Agua Tibia Mountains, Cleveland National Forest, along Wildhorse Trail south of lower Arroyo Seco, NW of Wildhorse Peak, in major drainage that flows off the NW flank of Wildhorse Peak 609 Comment
  RSA741080  Holcus lanatus Scott D. White, Justin M. Wood 2008-6-16 12108 Riverside Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  POM352408  Holcus lanatus Anstruther Davidson 1906-7-18 s.n. Riverside San Jacinto - in meadow-front hotel Comment
  RSA449810  Holodiscus microphyllus Louis C. Wheeler 1931-10-3 240 Riverside North side of Tahquitz Peak 2622 Comment
  SEINET10449888  Holodiscus microphyllus David B. Dunn 1946-8-18 Dunn 2740 Riverside Round meadow dry hillside among lodge pole pines. San jacinto mts. On top of Peak Comment
  UCR92767  Hordeum brachyantherum F. M. Reed 1906-3-13 905 Riverside Riverside, Mesa east of Riverside. Above the Gage Canal 311 Comment
  RSA563904  Hordeum intercedens A. C. Sanders 1993-4-5 13686 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74)., (Near 33 deg 46'N, 117 deg 03'W) 460 Comment
  UCR234425  Hordeum intercedens Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  UCR266826  Hordeum intercedens D. E. Bramlet, M. Tucker, T. Huntley 2005-6-14 3880 A Riverside San Jacinto Valley, Bloome property, 540 m north of San Jacinto River, 3150 m east of Davis Rd. at San Jacinto Wildlife Area, south of Mystic Lake Duck Club 433 Comment
  RSA45205  Hordeum marinum subsp. gussoneanum J. C. Roos, Lucille Roos 1949-5-21 4318 Riverside Temecula. 304 Comment
  RSA747514  Hordeum murinum Justin M. Wood 2009-3-10 348 Riverside Twin Pines Rd, near entrance to Twin Pines Ranch. 695 Comment
  RSA179512  Hordeum murinum subsp. glaucum E. W. Lathrop 1959-5-17 4534 Riverside 14 miles west of Murrieta. Tenaja Plateau Comment
  CAS-BOT-BC148555  Horkelia clevelandii Scott D. White 1996-8-1 4431 Riverside Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area - San Jacinto Mts. 1828 Comment
  SD2234  Horkelia clevelandii var. clevelandii Florence Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mts. Comment
  RSA0124126  Horsfordia alata Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8735 Riverside Santa Rosa Mountains; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 115 Comment
  RSA433954  Horsfordia newberryi Anstruther Davidson 1930-04 s.n. Riverside Devil s Canyon, Coral Reef Ranch, Coachella Comment
  CAS-BOT-BC201089  Hosackia crassifolia Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  HSC86248  Hosackia crassifolia Jane Hildreth 1981-6-4 25 Riverside James Reserve in the San Bernardino National Forest along Hwy. 243, San Jacinto Mtns. 1616 Comment
  UCSB26726  Hulsea vestita subsp. callicarpha Wilken, Dieter 1969-6-30 Riverside Riverside County Road R1, near Black Mtn. junction, 8.6 miles north of Idyllwild, San Jacinto Mtns. 1524 Comment
  POM4806  Hymenoclea salsola Marjorie Shaw 1916-03 s.n. Riverside Palm springs Comment
  RSA650974  Hymenoclea salsola Marion P. Harthill 1971-3-19 3 Riverside Palm Desert. Comment
  RSA777819  Hymenoclea salsola var. pentalepis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 848 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  POM12643  Hypericum androsaemum P. A. Munz 1922-7-6 5998 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  POM19805  Hypericum formosum var. scouleri Mary F. Spencer 1923-7-29 2257 Riverside Saunders Meadow 1677 Comment
  RSA740240  Hypericum formosum var. scouleri Scott D. White, Justin M. Wood 2008-7-8 12369 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  UC1979615  Hypochaeris glabra D. L Banks, Steve Boyd 1995-5-3 0190 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
  CDA40746  Hyptis emoryi G. D. Barbe, J. L. Johnson 1982-11-2 4025 Riverside 3 miles west of Indian Well on Bradshaw Trail, south of Chuckwalla Mountains, southern Riverside County. 0 Comment
  JOTR31916  Hyptis emoryi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2161 Riverside Joshua Tree National Park. North Hexie Mountains; large sandy side canyon draining into west Wilson Canyon with smaller braided ephemeral drainages running through 902 Comment
  SD95168  Hyptis emoryi G. L. Webster, R. Hildreth 1966-12-9 7458 Riverside Joshua Tree Nat Monument, desert slopes, 3 mi W of Cholla Gardens 853 Comment
  SFV5022  Hyptis emoryi 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
  UCD124918  Hyptis emoryi Geoffrey Levin 1974-3-30 9 Riverside Chino Canyon below the tramway. San Jacinto Mts. Mt. Range. 426 Comment
  UCR132747  Hyptis emoryi Scott D. White 1993-2-5 1046 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  UC134758  Isocoma acradenia var. bracteosa J. W. Toumey 1894-9-27 19 Riverside Banning Comment
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Mar 13 2011
  RSA0062782  Isocoma acradenia var. eremophila Duncan S. Bell, Evan Meyer 2014-10-22 7658 Riverside Orocopia Mountains; southwestern section of range; in the Dos Palmas Preserve area; at the lower southwestern seeps of the preserve. -29 Comment
  RSA717624  Isocoma acradenia var. eremophila Scott D. White, Andrea Warniment 2006-3-29 11277 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  CDA32703  Isocoma menziesii var. vernonioides Mike Lahti 2009-10-1 PDR# 1501831 Riverside Southwest of Perris, along the San Jacinto River banks. 0 Comment
  CAS-BOT-BC69943  Isoetes howellii Robert F. Thorne; Earl Lathrop 1969-5-12 37930 Riverside Santa Rosa Plateau: large vernal marsh on s. end of Mesa de Colorado, Rancho California. 624 Comment
  SD234824  Iva axillaris subsp. robustior R. E. Riefner Jr. 2005-8-28 5 647 Riverside Peninsular Range: SE of Lake Elsinore toward Wildomar Corydon Road at Union Street (Wildomar 7.5'Q) 394 Comment
  UC898140  Iva axillaris subsp. robustior I. M. Johnston 1918-5-30 2014 Riverside Temescal Canyon 365 Comment
  RSA227712  Jepsonia parryi Gary D. Cromwell 1972-2-15 709 Riverside Small canyon canyon off Los Alamos Canyon, 8 mi. SSW of Lake Elsinore and unpaved road #7So4, USDA Forest Serv. map, Trabuco Dist., Cleveland Nat. Forest. 488 Comment
  CAS-BOT-BC140653  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37143 Riverside Peninsular Range: Box Springs Mtns. Foothills, Riverside 345 Comment
  CAS-BOT-BC158117  Juglans regia A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37146 Riverside Peninsula Range: Riverside, UCR campus by West Campus Drive near The Barn 320 Comment
  POM123049  Juncus acutus subsp. leopoldii Marcus E. Jones 1906-4-27 s.n. Riverside Palm Springs. Comment
  UCR275577  Juncus balticus T. B. Salvato, Jennifer Weiland 2005-6-13 605- 2 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  RSA387354  Juncus bufonius Steve Boyd 1986-4-19 1718 Riverside Temescal Canyon: Warm Springs Valley, Alberhill Creek drainage, E of Nichols Road. Comment
  RSA0013145  Juncus bufonius var. bufonius LeRoy Gross, Caitlin Elam 2013-5-14 6071 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR180060  Juncus bufonius var. congestus Mitch Provance 2005-5-18 9815 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UC1532810  Juncus luciensis Robert F. Thorne and Earl Lathrop 1975-5-20 45498 Riverside Mesa de Burro Santa Rosa Plateau, Rancho California 609 Comment
  JOTR32968  Juncus macrophyllus La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2719 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  CDA33225  Juncus rugulosus S. Munhall 1957-7-18 Riverside Cleveland National Forest, high rocky ridge. 0 Comment
  CHSC23887  Juncus tiehmii R. F. Thorne 1969-6-24 38115 Riverside San Bernardino National Forest, San Jacinto Mts.: Above James Reserve in Hall Canyon. 1676 Comment
  LA202782  Justicia californica D. Birindelli; 1969-3-9 266 Riverside Palm Desert 121 Comment
  RSA487532  Justicia californica B. Pitzer 1988-3-10 640 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  UCSB6232  Justicia californica Haller, John 1960-4-2 Riverside North side of U.S. 60-70 miles W. of the south enterance road to Joshua Tree National Monument about 22 miles east of Indio 487 Comment
  SBBG100102  Justicia californica M. D. Clary 1932-12-15 1132 Riverside bajada 2 mi W of Coral Reef Ranch, at base of Santa Rosa Mtns, Coachella Valley 91 Comment
  GMDRC3101  Kallstroemia californica J. Andre, T. La Doux 2008-9-13 10262 Riverside Chuckwalla Valley: along Hwy 177 (northwest side), southeast end of Coxcomb Mountains 33 deg. 48.724' N 115 deg. 16.87' W. Elev. 527 ft. 161 Comment
  JOTR30688  Kallstroemia californica La Doux, Tasha, Jim Andre 2008-9-13 262 Riverside Joshua Tree National Park. Pinto Basin along paved Hwy at Fried Liver Wash 548 Comment
  UCR251963  Keckiella antirrhinoides Max Brodie 2014-4-20 29 Riverside Peninsular Range; Santa Ana Mtns., SW of Lake Elsinore, off North Main Divide Rd. c. 0.5 mi. north of Hwy 74 820 Comment
  UCR35262  Keckiella antirrhinoides var. antirrhinoides L. B. Ziegler 1967-5-19 130 Riverside San Jacinto Mtns. Foothills, Side canyon off Bautista Canyon. San Jacinto Valley area 534 Comment
  RSA764124  Keckiella cordifolia Linda M. Prince, Duncan S. Bell 2009-6-17 577 Riverside Cleveland National Forest Comment
  UCR119859  Keckiella rothrockii subsp. jacintensis Heidi West 2000-7-20 s.n. Riverside San Jacinto Mtns., Hidden Lake Divide, 0.2 mi. ESE of Divide Peak and c. 0.15 mi. SW of the W edge of Hidden Lake, just east of trail from Long Valley to Willow Creek 2659 Comment
  RSA736289  Kochia scoparia Scott D. White, Justin Wood 2008-5-27 12028 Riverside North bound I-215 freeway corridor, S of San Jacinto River crossing. 431 Comment
  UCR113602  Kochia scoparia A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23674 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 232 Comment
  POM49562  Koeleria macrantha P. A. Munz 1924-7-28 8810 Riverside Pine Flats 1738 Comment
  UC1117716  Koeleria macrantha Alan A. Beetle 1946-6-10 4393 Riverside near Idyllwild; San Jacinto Mts., near Idyllwild 1219 Comment
  UCR132930  Koeleria macrantha John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  CHSC26046  Krameria erecta James Henrickson 1971-4-2 5478 Riverside Near Hidden Oasis, 13 miles E. of Palm Springs; on rocky slope above sandy arroyo near fan palm oasis. 182 Comment
  LA45693  Krameria erecta Elizabeth McClintock; 1940-5-26 sn Riverside 1.5 mi. W of Pinon Flats, Pines to Palms Highway Comment
  RSA33613  Krameria grayi N. C. Cooper 1944-7-15 1553 Riverside Palm Springs. 122 Comment
  RSA787590  Krameria grayi Andrew Monks, J. McConnaughy, M. Volke 2010-1 35 Riverside McCoy Wash. Road going N from Black Rock Rd. S side of private boundary. N of I-10. 244 Comment
  SEINET269272  Krameria grayi Bern Schwen 1994-5-18 Riverside Joshua Tree National Monument ; Eagle Mountains (west side) along road between Cottonwood Spring Campground and Conejo Well 1055 Comment
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Sep 7 2013
  UC449696  Krameria grayi unknown 1917-5-19 3858 Riverside Palm Canyon; near palm grove Comment
  UCR89575  Krameria grayi Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  CAS-BOT-BC340504  Lactuca serriola Scott D. White 1996-9-22 4543 Riverside Perris Basin, W Riverside Co. Perris: Nuevo Road near intersect. w/ Wilson Ave., W of the San Jacinto Riv crossing 435 Comment
  RSA573433  Lagophylla ramosissima Steve Boyd, Tim Ross 1994-9-14 8342 Riverside Southern Santa Ana Mtns, San Mateo Canyon wilderness area of Cleveland National Forest, Southwestern edge of the Oak flat area, 0.5 miles S of Serrano Spring. 732 Comment
  CLARK-A1528-3535  Langloisia schottii John C. Roos 1943-5-23 2663 Riverside Little San Bernardino Mountains Comment
  PASA1842  Larrea divaricata R. Peirce 1966-5-17 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  JEPS23490  Larrea tridentata W. L. Jepson 1914-5-22 6046 Riverside Thousand Palms Canyon; Colorado Desert Comment
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Apr 3 2011
  RSA0042206  Larrea tridentata Joseph Brehm 2014-7-21 s.n. Riverside Collected at Dos Palmas ACEC, on Dos Palmas Road, next to visitor parking lot. Comment
  RSA648310  Larrea tridentata Mark Hotchkiss 1977-5-15 s.n. Riverside Cabazon area (and the entire Colo. desert). Comment
  UC571107  Larrea tridentata Margaret Stason 1927-3-12 Riverside Painted Canyon; Colorado Desert Comment
  UCD107219  Larrea tridentata R. L. Smith 1948-3-28 s.n. Riverside Foot of Andreas Canyon. Comment
  SEINET6894861  Lastarriaea coriacea Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  CAS-BOT-BC352720  Lasthenia coronaria Geo. B. Grant 1908-3-15 s.n. Riverside Palms to Pines Road, San Jacinto Mountains 1219 Comment
  RSA614656  Lasthenia coronaria A. C. Sanders 1997-3-1 19710 Riverside Box Springs Mtns: Coyote Hill (Bench Mark 'Versity', 1386ft) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA617302  Lasthenia coronaria R. S. Woglum 1934-3-18 649 B Riverside San Jacinto Mountains/Sonoran Desert transition: Snow Creek, Coachella Valley. Comment
  RSA678113  Lasthenia coronaria Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1088 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  RSA743825  Lasthenia coronaria Sarah J. De Groot, J. Mark Porter 2005-3-9 4772 Riverside Whitewater Canyon, several miles north of I-10. 591 Comment
  UCR249820  Lasthenia coronaria T. B. Salvato, John Lovio 2013-3-19 7365 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  SEINET11447683 Image available Lasthenia coronaria H. M. Hall 1903-3-28 3714 Riverside Vicinity of Riverside 427 Comment
  CAS-BOT-BC328102  Lasthenia glabrata subsp. coulteri Mitch Provance 2005-5-17 6555 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site. 421 Comment
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Apr 27 2018
  RSA585978  Lasthenia gracilis Adree M. Desrochers 1990-4-19 471 Riverside Neaar Murrieta, along Clinton Keith Raod, 6.9 km W of Hwy 15. Comment
  RSA654618  Lasthenia gracilis Lydia Paneri 1982-4-17 39 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
  SBBG98246  Lasthenia gracilis M. V. Hood 1945-3-25 Riverside Cottonwood Crk near Aguanga 609 Comment
  UCR143154  Lasthenia gracilis D. E. Bramlet 1997-3-15 2500 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Nichols Road Wetlands, approximately 183m southeast of Nicolas Road, 91-152m west of Collier Ave. and 196-335m. west of the I-15, 15m west of the dirt road extending south from Nicholas Rd. and adjacent to Alberhill Creek 116 Comment
  UCR232787  Lasthenia gracilis John F. Green 2008-4-16 0408- 32 Riverside Peninsular Range; Perris-Aguanga Valley, SE of Romoland, powerline route north of McLaughlin Rd. near Palomar Rd. 445 Comment
  UCR259195  Lasthenia gracilis Mitch Provance, Jeremiah George 2012-4-24 412- 04 Riverside San Gorgonio Pass, Smith Creek SW of Banning, west of the west end of Bobcat Rd. 734 Comment
  SEINET10907079  Lathyrus laetiflorus Gary D. Wallace, Dieter H. Wilken 1966-4-7 Wallace 412 Riverside Along roadside of hwy 71, s of aguanga, common in area growing with argemone Munita and lupinus hirsutissimus. Comment
  RSA552747  Lathyrus vestitus subsp. laetiflorus Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-25 6679 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  VVC1155  Layia glandulosa A. C. Sanders 1994-5-29 14573 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  RSA593885  Layia platyglossa Steve Boyd, David E. Bramlet 1996-4-19 8615 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
  UC917864  Layia platyglossa Frank W. Gould 1943-4-17 2105 Riverside 12 mi s of Corona Comment
  UCR59682  Layia platyglossa subsp. campestris Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2985 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  RSA563918  Lepidium dictyotum var. acutidens A. C. Sanders 1993-4-1 13670 Riverside Western Edge of Hemet, 14 acre parcel at NE corner of intersection of Myers and Devonshire Ave., 3/4 mi. NE of intersection of Florida Ave. (Hwy 74) and Warren Rd. just south of Tres Cerritos. 460 Comment
  CAS-BOT-BC89437  Lepidium fremontii John Thomas Howell 1928-1-30 3305 Riverside 2 miles east of Shaver's Well, Colorado Desert. Comment
  JOTR35341  Lepidium fremontii var. fremontii Harding, Mitzi, Mark Wheeler 2012-2-28 107 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; steep-walled, shallow, north-flowing canyon with rocky wash bottom (Stop 4) 361 Comment
  CAS-BOT-BC89585  Lepidium lasiocarpum Munz; Street; Williams 1919-3-25 2315 Riverside Palm Canyon, Palm Springs. 243 Comment
  UCR180306  Lepidium lasiocarpum Scott D. White, Andrea Warniment (Edwards) 2006-3-22 11265 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  RSA601927  Lepidium latipes var. latipes D. Bramlet 1997-3-13 2503 Riverside Nichols Road Wetlands. The site is located approx. 186 m southeast of Nichols Road, 91 m west of Collier Ave, and 196 m west of the I-15. 381 Comment
  RSA681895  Lepidium nitidum Scott D. White 2001-3-13 8162 Riverside Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 442 Comment
  RSA561806  Lepidium virginicum Steve Boyd 1992-4-14 6838 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  POM48496  Lepidium virginicum var. pubescens Mary F. Spencer 1919-6-18 1327 Riverside San Jacinto Mtns. Comment
  RSA586324  Lepidium virginicum var. virginicum D. L. Banks, S. D. Boyd 1995-5-3 189 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  CAS-BOT-BC329447  Lepidospartum squamatum H. M. Hall 1899-8-2 1367 Riverside Gavilan Hills Region 2 mi. sw of Ferris 426 Comment
  JOTR35237  Lepidospartum squamatum Wheeler, Mark 2011-10-19 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Eureka Peak Complex, below Eureka peak on west boundary Comment
  RSA289819  Lepidospartum squamatum B. A. Prigge 1980-9-16 4037 Riverside Coachella Valley Stormwater Channel; east of Point Happy at Washington St. x channel 21 Comment
  RSA697079  Lepidospartum squamatum J. R. Bruff 1927-11-24 4 Riverside Whitewater. Comment
  UCR123821  Lepidospartum squamatum Steven R. Hill 2001-5-3 33657 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  RSA0086969  Lepidospartum squamatum H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside San Gorgonio Wash, near Snow Creek Canyon. San Bernardino Mts. Comment
  RSA588597  Leptochloa fusca subsp. uninervia D. L. Banks, Steve Boyd 1995-10-17 808 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground;, Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  RSA0087455  Leptochloa panicea subsp. brachiata Sarah J. De Groot, Amy Rouillard 2015-9-15 7568 A Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  JOTR16779  Leptochloa uninervia Nelson, Steve 1973-10-14 1377 Riverside Joshua Tree National Park. BARKER DAM AREA Comment
  UCR3438  Leptodactylon californicum subsp. leptotrichomum John Minnich 1964-3-28 64-3-28- 5 Riverside Santa Ana Mountains, Hwy 74, on Elsinore side of of summit 610 Comment
  POM99052  Leptosiphon floribundus E. C. Jaeger 1926-5-1 s.n. Riverside Joseph Canyon, Santa Ana Mts. Comment
  SD137680  Leptosiphon floribundus subsp. glaber Darin L. Banks, Steve Boyd 1995-4-5 157 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, east of the Dripping Springs Trail in the north flowing drainage that empties into Arroyo Seco. 548 Comment
  SFV7333  Leptosyne californica T. Gordon, K. Kimbrough 1975-3-16 850 Riverside 10 miles south of Corona. Open fields adjacent to Highway 71. 365 Comment
  UC217892  Lesquerella tenella P. A. Munz and D. Keck 1922-4-9 4815 Riverside Hayfields; Chuckawalla Valley Hayfields; Colorado Desert, Chuckawalla Valley, Hayfields 152 Comment
  UCR107388  Lessingia filaginifolia B. G. Pitzer 1997-3-23 2969 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
  JEPS20572  Lessingia glandulifera var. glandulifera Carl V. Meyer 1928-7-30 570 Riverside Saunder's Meadow San Jacinto Mountains, Saunder's Meadow 1706 Comment
  RSA674604  Lessingia glandulifera var. glandulifera Scott D. White 2000-8-5 8096 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UCR14010  Lessingia glandulifera var. glandulifera George K. Helmkamp 1973-10-3 s.n. Riverside San Jacinto Mtns., Strawberry Creek, near Idyllwild Comment
  SBBG89134  Leymus condensatus L. F. LaPre 1988-6-3 Riverside Indian Truck Trail exit on W side of Interstate 15 in Temescal Cyn, ca. 0.25 mi from the freeway near the dirt rd Comment
  RSA500172  Leymus triticoides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3655 Riverside Vail Lake area, W base of hills between Temecula and Wilson Creeks. 488 Comment
  CAS-BOT-BC451629  Lilaea scilloides Philip A. Munz 1941-5-18 16663 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 914 Comment
  CAS-BOT-BC130874  Lilium parryi Albert M. Vollmer 1950-7-1 s.n. Riverside Stony Creek, San Jacinto Mountains Comment
  SD237544  Limonium sinuatum A. C. Sanders 2012-4-12 40029 Riverside Peninsular Range: Santa Ana Mountains Region: Temescal Canyon, along Temescal Canyon Road between Glen Ivy and Indian Truck Trail, near El Hermano Road (Lake Matthews 7.5'Q) 312 Comment
  UC52868  Linanthus aureus H. M. Hall 1902-4-12 2836 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert 152 Comment
  JOTR34178  Linanthus bigelovii Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 139 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  UC667262  Linanthus bigelovii Annie M. Alexander and Louise Kellogg 1941-5-7 2134 Riverside Split Rock, Riverside and San Bernardino Counties Joshua Tree National Monument 1310 Comment
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Oct 23 2011
  RSA511356  Linanthus californicus B. Pitzer, E. Misquez 1988-3-20 667 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 548 Comment
  UCR281228  Linanthus dianthiflorus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 46 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  POM364583  Linanthus dianthiflorus subsp. dianthiflorus N. C. Cooper 1949-10-25 1014 Riverside Banning. 701 Comment
  UC880279  Linanthus floribundus subsp. glaber P. A. Munz 1922-6-27 5859 Riverside Santa Rosa Santa Rosa Mts. 2011 Comment
  RSA480085  Linanthus jonesii Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2174 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA517925  Linanthus jonesii Steve Boyd, B. Roy, T. S. Elias, Sara Meury, S. Zona 1986-3-5 1353 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  SBBG87844  Linanthus jonesii A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6108 Riverside Corn Springs, below spring to the S; Chuckawalla Mtns, T6S, R16E, S28 487 Comment
  UCR18025  Linanthus lemmonii A. C. Sanders 1976-4-20 534 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  RSA705492  Linanthus maculatus J. Mark Porter, Sarah J. De Groot 2005-3-9 14246 Riverside E. of State Route 62, on paved road between Peirson Blvd. and Indian Ave., N of the Metropolitan Water District Reservoir, Morongo Valley; on both sides of the road. 486 Comment
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Jan 28 2008
  UCR1629  Linanthus parviflorus Leland R. Dykes 1962-5-1 48 Riverside Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Rd, c. 11 mi. west of Palomar Road [=Washington Ave.] in Murrieta [vicinity of Tenaja Guard Station] 610 Comment
  SEINET7063440  Linaria canadensis A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage in Tucalota Valley on East Benton Road. UTM Zone 11, 501405mE, 3715115mN. (WGS84/NAD83). 561 Comment
  UCR281260  Linaria canadensis var. texana Mitch Provance, Jeremiah George 2017-3-21 317- 59 Riverside Temescal Valley, S side of Highway I-15, 0.2 miles SSE of Glen Eden Rd. and De Palma Rd. 396 Comment
  PASA685  Linum lewisii Sally Ellis 1939-6-22 Riverside Halona, Idyllwild Comment
  RSA289805  Lipocarpha micrantha B. A. Prigge 1980-8-12 3941 Riverside San Bernardino Mountains, Whitewater Canyon: 0.7 mile WNW of trout farm. 720 Comment
  UCR20971  Loeflingia squarrosa A. C. Sanders 1980-5-2 1428 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UC880237  Loeseliastrum matthewsii C. L. Hitchcock 1940-3-31 5885 Riverside 1/2 mi. below Cottonwood Spring Comment
  UCR103306  Loeseliastrum matthewsii George K. Helmkamp 1998-4-4 3151 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  SBBG81482  Loeseliastrum schottii S. A. Junak 1983-3-24 1662 Riverside Pinto Basin Rd, 0.7 mi N of Hwy 10 533 Comment
  UCSB18164  Loeseliastrum schottii Day, Fran 1964-3-23 Riverside Ramon Road; 3 miles E of U.S. Highway 99 91 Comment
  UCR265814  Logfia filaginoides Mitch Provance 2012-5-24 512- 04 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  UCR87617  Logfia filaginoides A. C. Sanders 1994-5-30 14613 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  SEINET11448059 Image available Logfia filaginoides H. M. Hall 3786 Riverside Vicinity of Riverside in the Upper Sonoran Zone 366 Comment
  UCR54312  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  RSA278502  Lomatium dissectum var. multifidum John F. Emmel 1977-6-9 s.n. Riverside Thomas Mountain road, 4800 ca. 1/2 road mile E of Spillway Canyon. 1463 Comment
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Feb 7 2014
  POM96253  Lomatium lucidum E. C. Jaeger 1925-12-23 s.n. Riverside Aguanga. Comment
  UCR42746  Lomatium mohavense A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6463 Riverside Santa Rosa Mtns., Pinyon Flats, 0.1 mi. south of Hwy 74 on the road to the refuse transfer station and the dolomite mine, south of the campground 1225 Comment
  UC1375401  Lomatium utriculatum Louis B. Ziegler 1969-5-7 Riverside Hemet Valley near Kenworthy Ranger Station San Jacinto Mountains 1447 Comment
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Mar 25 2011
  RSA212934  Lomatium vaginatum L. B. Ziegler 1969-5-7 s.n. Riverside meadowy area in Hemet Vally near Kentworthy Ranger Station, San Jacinto Mts. 1448 Comment
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Dec 8 2013
  UCR133433  Lonicera interrupta Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 448 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  HSC79578  Lonicera subspicata var. denudata James Henrickson 1972-5-21 7194 Riverside 13 air mi. W of Temecula in Mateo Canyon along Teneja Rd., ca. 4 mi. N of Teneja Campground. 457 Comment
  RSA115034  Lonicera subspicata var. denudata E. K. Balls 1955-07 20973 Riverside San Jacinto Mountains, Hwy 74, Hemet to Idyllwild, 2.8 miles NW from Mountains Center. 1189 Comment
  JEPS79925  Lotus argophyllus var. argophyllus C. B. Clokey, I. W. Clokey, B. C. Templeton 1930-4-15 4638 Riverside Perris-Gavilan Peak 600 Comment
  POM157923  Lotus argophyllus var. argophyllus P. A. Munz 1927-5-21 10848 Riverside San Carlos Pass, 2 mi S.E. of Ansa. 1372 Comment
  RSA621871  Lotus argophyllus var. argophyllus R. S. Woglum 1935-5-20 615 Riverside Palm Springs Comment
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Aug 27 2011
  RSA784831  Lotus crassifolius J. D. Olmsted 1958-6-15 170 Riverside M. fk. San Jacinto River: 1 mi above intersection of Beartrap Canyon with Strawberry Creek by Idyllwild School of Music and the Arts. 1616 Comment
  UC218072  Lotus grandiflorus P. A. Munz and I. M. Johnston 1922-5-19 5403 Riverside 1 mi above mouth of Strawberry Creek; San Jacinto Canyon, Strawberry Creek 1219 Comment
  HSC85298  Lotus hamatus Steve Boyd 1986-5-7 1843 Riverside Temescal Canyon: terrace escarpment between Horsethief Wash and Indian Truck Trail, S of I-15 [Gavilan Hills] Comment
  RSA525446  Lotus hamatus Steve Boyd 1990-4-29 4491 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR153635  Lotus heermannii Scott D. White 1999-5-24 7385 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR38688  Lotus oblongifolius J. M. Stewart 1985-6-2 8522 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon, Palm Canyon drainage 244 Comment
  UCR4765  Lotus oblongifolius Frank C. Vasek 1964-7-25 640725- 04 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  UC1329862  Lotus procumbens var. procumbens James E. Cole 1941-5-29 819 Riverside Stubby Spring Road Joshua Tree National Monument 1432 Comment
  UC80895  Lotus purshianus var. purshianus A. W. Anthony 1895-7-15 Riverside San Jacinto Mountain Comment
  RSA26280  Lotus rigidus Reid V. Moran 1941-5-4 841 Riverside East of Quail Spring, Joshua Tree Nat. Mon. 1300 Comment
  SEINET3563120 Image available Lotus rigidus I. W. Clokey 1935-4-17 6711 Riverside Cottonwoods Springs Comment
  RSA90309  Lotus salsuginosus var. brevivexillus F. W. Peirson 1922-4-9 2873 Riverside In canyon eastward from lower part of Palm Canyon. Comment
  UCR174090  Lotus scoparius subsp. brevialatus A. C. Sanders 2006-5-19 32433 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
  RSA297754  Lotus scoparius var. brevialatus Barbara Ertter, J. Strachan 1979-6-26 2983 Riverside Hwy 243 near Idyllwild, San Jacinto Mtns Comment
  UCR102830  Lotus scoparius var. brevialatus A. C. Sanders 1997-4-3 20144 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  JOTR33849  Lotus strigosus La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3061 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sandy wash leading to Pinto Wash 354 Comment
  RSA406324  Lotus strigosus M. B. Dunkle 1937-3-25 4960 Riverside Dry Morongo. Comment
  RSA775268  Lotus strigosus Duncan S. Bell 2011-4-8 2203 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UCR153672  Lotus strigosus Scott D. White 1999-5-24 7395 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR207315  Lotus strigosus O. F. Clarke 1997-3-8 s.n. Riverside Peninsular Range, Box Springs Mtns., east edge of Riverside, along Box Springs Mtn. Rd. 668 Comment
  RSA395  Lotus strigosus var. hirtellus J. T. Howell 1927-8-2 564 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  UCR13738  Lotus strigosus var. hirtellus N. R. Zabriskie, W. W. Zabriskie 1972-6-18 527 Riverside Peninsular Range; San Jacinto Mtns., along fire road south of the S end of Marion Ridge Rd., Pine Cove, NW of Idyllwild 1939 Comment
  UCR151101  Lotus strigosus var. hirtellus Scott D. White, Julie Greene 1998-8-1 6970 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  RSA708069  Lotus strigosus var. strigosus Scott D. White, Angelia Carey 2004-4-16 10174 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  RSA679815  Lotus strigosus var. tomentellus LeRoy Gross, Valerie Soza 2003-5-8 836 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 762 Comment
  UCR263651  Lotus strigosus var. tomentellus David Fraker, Aaron C. Sedgwick 2012-3-22 032 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  POM259731  Lotus tomentellus E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  CLARK-A1528-667  Ludwigia peploides Ken F. Clarke 1971-9-7 Riverside Santa Ana River Comment
  RSA660639  Lupinus bicolor Lydia Paneri 1982-4-17 2 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  UCR49221  Lupinus bicolor subsp. microphyllus Steve Boyd 1986-4-2 1599 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SEINET4035698  Lupinus bicolor var. microphyllus O. M. Clark 1929-1 113 Riverside South Cabazon, southern California. Comment
  CLARK-A1528-494  Lupinus concinnus Fred B. Essig 1967-3-23 Riverside Valle Vista Comment
  UC488991  Lupinus concinnus C. V. Meyer June 1927 194 Riverside Saunder's Meadow , Saunder's Meadow (San Jacinto Mts.) 1615 Comment
  POM229448  Lupinus concinnus subsp. optatus Philip A. Munz 1937-5-30 15080 Riverside Northwest slope of Santa Rosa Mountain. 2134 Comment
  RSA248729  Lupinus concinnus subsp. orcuttii Christopher Davidson 1973-4-19 1995 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  LA205095  Lupinus excubitus W. E. Pequegnat; 1939-4-8 27 Riverside Santa Ana Mountains Comment
  OBI40934  Lupinus excubitus Jennifer Lyman 1981-5-24 s.n. Riverside May Valley rd, Idyllwild Comment
  CAS-BOT-BC216683  Lupinus excubitus subsp. hallii Charles Piper Smith 1922-5-18 3063 Riverside Temescal Canyon 274 Comment
  CAS-BOT-BC205386  Lupinus excubitus var. austromontanus Christopher Davidson 1975-6-16 2815 Riverside 3.8 mi N of Alandale Station on road R1 from Idyllwild to Banning 1699 Comment
  SD185222  Lupinus excubitus var. austromontanus T. B. Salvato, John F. Green 2004-5-27 650 Riverside Head of Banning Canyon close to San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  UCR281482  Lupinus excubitus var. hallii Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 91 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  RSA674618  Lupinus longifolius Scott D. White, Sandy Leatherman 2000-5-31 7980 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UC1979609  Lupinus microcarpus var. densiflorus D. L Banks, Steve Boyd 1995-5-17 0441 Riverside NW Palomar Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., lower Arroyo Seco; S of the Dripping Springs Campground, W of the Dripping Springs Trail. Comment
  SD260053  Lupinus shockleyi J. M. Andre 2013-3-27 24803 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. sout of Rice (Hwy 62). Low dunes. 242 Comment
  UC710889  Lupinus sparsiflorus C. L. Hitchcock 1940-3-29 5852 Riverside Sandy wash Cottonwood Springs (Cottonwood Springs) Comment
  RSA543760  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6060 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  SEINET10870698  Lupinus succulentus Tilforth 1979-4-11 TILFORTH 1788 Riverside Hills at the s side of lake skinner, e of murrieta, sw riverside co. 427 Comment
  RSA414398  Lupinus truncatus M. B. Dunkle 1932-3-25 2889 Riverside Cabazon. Colorado desert. 457 Comment
  SDSU14051  Lupinus truncatus Ingrid Poulin 2002-4-12 15 Riverside Santa Margarita Ecological Reserve; Red Mountain Truck Trail, 0.6 miles northeast of N. Stagecoach Lane. 201 Comment
  UCR20713  Lupinus truncatus A. C. Sanders, Steve Boyd 1980-5-2 1426 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  SEINET3825223 Image available Lycium andersonii Philip A. Munz 1940-3-22 15653 Riverside Whitewater Canyon, 2 miles north of Boulevard from Banning to Indio Comment
  UC111152  Lycium andersonii F. M. Reed 1907-2-12 1203 Riverside Arroyo Tequesquite Comment
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Jul 30 2006
  UCR108294  Lycium andersonii G. F. Pratt 1997-3-19 s.n. Riverside March Air Force Base, c. l mi. airline SW of Arnold Heights. Wash just south of Van Buren Rd. 213 Comment
  UCR233156A  Lycium andersonii Jim Andre, Glenn L. Clifton 2011-2-22 17454 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  POM184722  Lycium andersonii var. deserticola C. Leo Hitchcock 1932-4-7 12209 Riverside 5 miles S of Cottonwood Springs, East Riverside County. Comment
  JOTR36408  Lycium cooperi La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3358 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA612131  Lythrum californicum Louis C. Wheeler 1932-7-9 936 Riverside Santa Ana River at Chino Creek. 152 Comment
  SBBG122032  Lythrum californicum S. D. White, A. Carey 2004-5-7 103421 Riverside Indian Crk and adjacent foothills 549 Comment
  SEINET5343084  Lythrum californicum J. Crutchfield 1965-6-16 213 Riverside Lost Lake Resort, 14 mi S of Vidal Comment
  CSUSB1727  Lythrum hyssopifolia Deborah Sullivan 1973-7-9 Riverside Glen Avon, Riverside. 243 Comment
  NY214798  Machaeranthera canescens L. B. Ziegler 1969-9-30 s.n. Riverside North slope of Santa Rosa Mts. 1981.2 Comment
  UCR24941  Madia gracilis A. C. Sanders 1980-7-22 1730 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  SD152812  Malacothamnus densiflorus Steve Boyd 1992-4-14 6831 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  CAS-BOT-BC206263  Malacothamnus fasciculatus Winfield 1975-4-27 2379 Riverside Snow Ck. Rd ~ 3 mi. from Hiway 111 Comment
  CSUSB1443  Malacothamnus fasciculatus Barry Glaser 1964-4-21 640421 2 Riverside Box Springs Mountains Box Springs Mountains (foothills); Two Trees Canyon Road, 0.3 miles from end. 365 Comment
  RSA0087582  Malacothamnus fasciculatus Edmund C. Jaeger 1949-7-25 s.n. Riverside North side Santa Rosa Mountain. 1646 Comment
  SEINET3001927 Image available Malacothamnus fasciculatus subsp. laxiflorus John Minnich 1964-1 64- 2 -27-2 Riverside ''Two Trees Canyon,'' at end of Two Trees Road, near the east end of Blaine St., Riverside Comment
  UCR123633  Malacothamnus fasciculatus var. fasciculatus Steven R. Hill, A. C. Sanders 2001-5-4 33731 Riverside Santa Rosa Plateau, Carancho Road, W side of De Luz Creek valley descending plateau, downslope from 'cut flower' farm. c. 1370 ft. NE of San Diego Co. line 186 Comment
  UC63103  Malacothrix californica H. M. Hall May 17, 1901-June 1, 1901 1887 Riverside Van Deventer's Comment
  RSA606377  Malacothrix clevelandii Jon E. Keeley 1994-4-22 25323 Riverside Shipley Reserve. 590 Comment
  CHSC23880  Malacothrix glabrata T. M. Lane 1975-3-24 7 Riverside 1 mi n of US Interstate 10 at s entrance of Joshua Tree National Monument on Pinto Basin Rd. Mojave Desert. 533 Comment
  RSA774497  Malacothrix glabrata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4418 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SD5136  Malacothrix glabrata Ruth B. Randall 1926-2-22 231 Riverside Whitewater Pass Comment
  UCD134419  Malacothrix glabrata Geoffrey Levin 1975-4-26 489 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. 335 Comment
  RSA692250  Malacothrix saxatilis var. tenuifolia Scott D. White, Michael Honer 2003-5-27 9401 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  JOTR33747  Malacothrix stebbinsii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2745 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  SD186050  Malosma laurina A. C. Sanders 2004-6-20 28235 Riverside Temescal Canyon, Serrano Highlands project between Glen Ivy Hot Springs and Arcilla. 292 Comment
  CLARK-A1528-616  Malva parviflora C. M. Flanagan 1971-5-16 Riverside Riverside Comment
  RSA0034091  Malva parviflora Duncan S. Bell 2013-1-30 4450 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  SEINET10625161  Malva parviflora Nye Leith, Greg Gust 2005-3-11 Nye 63 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  RSA339615  Malva parviflora Robert F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51963 Riverside Murrietta Comment
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Apr 24 2011
  RSA434902  Malva parviflora Richard C. Barkelew, Mark Morris 1929-3-3 s.n. Riverside Perris. Comment
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Nov 9 2011
  UCR40136  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  UCR88294  Mammillaria tetrancistra A. C. Sanders, K. C. Rose 1995-4-5 16378 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  CLARK-A1528-2790  Marah macrocarpa John C. Roos 1966-4-23 Riverside Santa Ana Mountains Comment
  UCR132423  Marah macrocarpa A. C. Sanders 2004-2-6 27380 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon at head of small nameless canyon on south side of ridge 427 Comment
  UCR245965  Marina parryi Duncan S. Bell 2009-3-9 101 Riverside Arica Mountains, SE section of the range, c. 1.2 air miles from Priest Well, or c. 6.5 air miles SW of ghost town of Rice 307 Comment
  SDSU12873  Marrubium vulgare J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 28 Riverside Approximately 400 feet from Santa Margarita (SDSU) Field Station trailer South side of trail leading down into Santa Margarita River Gorge, north of river. 335 Comment
  UCR113631  Marsilea vestita June Latting 1978-6-4 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, Mesa de Burro 610 Comment
  UCR113041  Matricaria matricarioides Mitch Provance 1998-3-26 277 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Hill Park, 0.7 km west of Pyrite St. on north side of Granite Hill Dr. 305 Comment
  UCR92697  Matricaria matricarioides A. C. Sanders, O. F. Clarke, et al. 1996-4-13 18039 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  RSA180237  Medicago polymorpha E. W. Lathrop 1965-4-18 5653 Riverside 10 miles west of Murrieta. Comment
  UCR95244  Melaleuca citrina D. L. Banks, E. H. Banks 1996-5-2 956 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
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Jun 5 2006
  UCR92335  Melia azedarach Scott D. White, M. D. Wilcox 1995-7-13 3475 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
  RSA613416  Melica frutescens D. L. Banks 1997-4-5 1675 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  RSA713913  Melica frutescens R. E. Riefner 2006-8-2 6 -350 Riverside Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., NNW ca. 0.75 mi from Leon Rd. 580 Comment
  SEINET2473432 Image available Melica frutescens Andrew C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 37748 Riverside Peninsular Range; Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 400 Comment
  CAS-BOT-BC281603  Melica imperfecta Frank W. Gould 1944-4-4 2207 Riverside 12 miles S of Corona on road to Elsinore Comment
  HSC10353  Melica imperfecta C. L. Hitchcock, C. V. muhlick 1964-3-17 23101 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
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Jul 9 2010
  POM204772  Melica imperfecta var. flexuosa H. M. Hall 1901-06 2079 Riverside South side of San Jacinto Mountains. 1463 Comment
  RSA509551  Melilotus indicus Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyon Road. 366 Comment
  UCR174243  Melilotus indicus A. C. Sanders, T. B. Salvato 2006-6-2 33075 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
  RSA701360  Melilotus indicus Steve Boyd, Aydee Virgen 2004-4-13 10878 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SEINET8721690 Image available Melilotus indicus Jean Coulson 1959-1 s.n. Riverside Riverside; S.W. corner of the back yard at 892 plum. Comment
  CLARK-A1528-5703  Menodora spinescens John C. Roos 1948-5-15 3860 Riverside Eagle Mountain Comment
  POM158437  Mentzelia dispersa P. A. Munz 1927-5-21 10854 Riverside Coahuila. 1372 Comment
  RSA440421  Mentzelia involucrata E. C. Jaeger 1922-3-25 755 Riverside Murray Canon, near Palm Springs. 305 Comment
  SBBG25136  Mentzelia involucrata D. Myrick 1966-4-2 1332 Riverside upper end of Aqueduct Rd, SE of Desert Hot Springs Comment
  SEINET186303  Mentzelia involucrata Philip A. Munz 1940-3-24 15694 Riverside 3 miles southof Cottonwood Springs, Eagle Mts., 457 Comment
  UC311294  Mentzelia involucrata Philip A. Munz 1926-1-1 10819 Riverside Thousand Palms Comment
  UCR214298  Mentzelia involucrata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37471 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCSB24938  Mentzelia involucrata Keefe, Joseph 1967-3-23 Riverside Whitewater Canyon Road, 1.9 miles north of U.S. Highway 99, east of Banning 609 Comment
  POM14202  Mentzelia jonesii P. A. Munz, D. D. Keck 1922-4-13 4955 Riverside Eagle Mountains. 244 Comment
  RSA446754  Mentzelia longiloba var. longiloba H. M. Hall 1905-04 5925 Riverside Mc Coy wash 91 Comment
  RSA446776  Mentzelia micrantha M. B. Dunkle 1934-6-18 3975 Riverside Upper San Juan Canyon. Comment
  SD129432  Mentzelia micrantha Ed LaRue 1989-5-3 Riverside 2.0 miles northwest of Lake Elsinore, adjacent to Cleveland National Forest, at McVicker Canyon. 487 Comment
  POM14286  Mentzelia veatchiana P. A. Munz 1922-4-29 5113 Riverside Aguanga Comment
  HSC85400  Mesembryanthemum nodiflorum Steve Boyd 1986-4-19 1713 Riverside Temescal Canyon, Warm Springs Valley, Alberhill Creek E of Nichols Rd. 366 Comment
  SD186046  Mesembryanthemum nodiflorum A. C. Sanders, Guy Bruyea 2003-6-12 26889 Riverside Southwest edge of town between Simpson Ave. and Olive Ave., ca. 1.0 km west of Hwy 79/Winchester Rd. 445 Comment
  SBBG101673  Micropus californicus S. Boyd with Mistretta 1991-5-22 6302 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk 548 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
  UCR112010  Microseris heterocarpa A. C. Sanders, T. B. Salvato 2000-5-25 23407 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR225447  Microseris heterocarpa A. C. Sanders 2011-3-29 38837 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  POM33642  Microseris lindleyi Marcus E. Jones 1882-4-25 s.n. Riverside End of track [probably near San Jacinto Plains] Comment
  RSA522730  Microseris lindleyi Steve Boyd, Lewis S. Ross, Laurel Arnseth 1990-3-29 3835 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA621596  Microseris lindleyi D. L. Banks 1997-5-5 2006 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR241925  Microseris lindleyi A. C. Sanders, Timothy W. Chumley 2013-3-28 40697 Riverside Peninsular Range, Temescal Canyon Rd. at Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St. 370 Comment
  OBI37455  Mimetanthe pilosa Melody Lardner 1981-5-28 190 Riverside In the Box Springs Mts on Box Springs Mt Rd 2.5 mi from the corner of Pigeon Pass Rd and Box Springs mt Rd 914 Comment
  RSA0018767  Mimetanthe pilosa Scott D. White, Justin M. Wood 2008-7-8 12397 Riverside San Jacinto Mountains: Johnson Meadow. 1439 Comment
  UC943893  Mimulus H. E. McMinn and M. Van Rensselaer 1945-6-7 1896 Riverside along Indian Truck Trail east side of Santa Ana Mts. 960 Comment
  SDSU10755  Mimulus aurantiacus W. E. Rehlaender 1983-4-22 31 Riverside NE rim of Sycamore Canyon, about 1 mile SW of Hwy 60 and 2.5 miles SSE of UCR Campus. Comment
  RSA543181  Mimulus aurantiacus var. pubescens Steve Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6120 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UC943874  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1894 B Riverside Indian Canyon Truck Trail Santa Ana Mts. 853 Comment
  POM8965  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2298 Riverside Butte west of Lakeview. 610 Comment
  RSA519222  Mimulus aurantiacus var. puniceus M. Lee Overholtzer 1961-3-29 136 Riverside South of Lake Elsinore on roadside of Ortaga Hiway overlooking the Lake. Comment
  UC917890  Mimulus aurantiacus var. puniceus Frank W. Gould 1944-4-5 2226 Riverside 17 mi e Temecula Comment
  JEPS16172  Mimulus brevipes Rimo Bacigalupi with L. R. Heckard and C. L. Custer 1953-5-5 4078 Riverside 5.5 mi s Sage (along State Highway 79) 609 Comment
  RSA523532  Mimulus brevipes Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3991 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR1002  Mimulus brevipes J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  UC27107  Mimulus breweri H. M. Hall July 1901 Riverside vicinity Deer Spring (Accordion Creek); San Jacinto Mountains 2590 Comment
  RSA430183  Mimulus diffusus Anstruther Davidson 1896-7-9 s.n. Riverside Strawberry Valley 1677 Comment
  UCR17145  Mimulus floribundus Eric Fisher 1979-5-19 s.n. Riverside Box Springs Mtns, Reche Canyon, 5.5 mi NW of Moreno 610 Comment
  UCR240634  Mimulus fremontii Tracy Tennant, Mitch Provance 1998-6-16 MOR- 403 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  UCR169315  Mimulus guttatus T. B. Salvato, John F. Green 2004-5-27 602 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
  UCR99194  Mimulus guttatus M. J. Wangler 1993-4-21 29 Riverside Riverside, small tributary of Sycamore Canyon Wash 1 km east of Sycamore Canyon Wash, and 300 m south of Central Ave. within Sycamore Canyon Co. Park 400 Comment
  JOTR01207  Mimulus guttatus Cole, James E. 1941-5-27 792 Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  JEPS11354  Mimulus microphyllus W. L. Jepson 1901-5-22 1364 Riverside Palm Canyon, upper part Mt. San Jacinto region 914 Comment
  GMDRC6589  Mimulus pilosus J. M. Andre 2012-6-15 30553 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 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
  UCR18180  Mimulus rubellus A. C. Sanders 1978-4-30 944 Riverside Santa Rosa Mtns, Pinyon Flats area; along the Cactus Springs trail between the dolomite mine and Horsethief Creek 1220 Comment
Read comments
May 25 2008
  RSA543767  Minuartia douglasii Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6027 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  RSA716874  Mirabilis laevis A. C. Sanders 2003-4-4 25851 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  OBI40178  Mirabilis laevis var. retrorsa N. Miles Fellows 1985-3-16 114 Riverside Oasis de Los Osos Preserve, off Snow Crk Cyn at the N foot of the San Jacinto Mts, 1 mi W of Snow Crk Village 488 Comment
  OBI8247  Mirabilis laevis var. retrorsa David J. Keil, Malcolm G. McLeod 1977-3-26 12008 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  HSC79251  Mirabilis laevis var. villosa G. K. Helmkamp 1984-5-2 - 24 Riverside Big Morongo Canyon, 3-3.5 mi. below the caretaker's house at the Big Morongo Preserve, Little San Bernardino Mtns. 550 Comment
  SD119906  Mirabilis pumila Louis B. Ziegler 1964-8-10 29 Riverside Garner Valley; San Jacinto Mountains. 1402 Comment
  POM98710  Mohavea confertiflora Philip A. Munz 1926-1-31 9961 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA799255  Mohavea confertiflora Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 740 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
  SBBG72006  Monardella australis R. Hoffmann 1929-9-5 Riverside San Jacinto Mtns Comment
  SD232269  Monardella linoides subsp. linoides Scott D. White, Justin M. Wood 2008-7-10 12457 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  UCR23574  Monardella macrantha subsp. hallii John C. Roos 1962-6-30 s.n. Riverside Peninsular Range/Santa Ana Mtns., Sugarloaf [=Pleasants Peak, possibly Orange Co., near line] 1220 Comment
  LA96103  Monardella nana Elizabeth McClintock; 1941-7-21 123 Riverside San Jacinto Mountains, trail to Hidden Lake, a short distance below Willow Creek Comment
  RSA0099993  Monardella nana Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8575 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  UC2035998  Monardella nana C. Epling, L. Haines 1937-5-7 Riverside Pinyon Flats Palms to Pines Highway Comment
  RSA83427  Monardella nana subsp. tenuiflora F. W. Peirson 1924-7-27 4990 Riverside San Jacinto Mountains: Dark Canyon. 2226 Comment
  UC1499959  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 101 Riverside 2 mi beyond the snow gate Black Mt. Comment
  RSA797240  Monardella odoratissima subsp. australis Robert F. Thorne, Walter Wisura 1977-9-17 50769 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  JOTR30992  Monardella robisonii La Doux, Tasha, Maria Harding 2010-7-8 1971 Riverside Joshua Tree National Park. White Tanks, ~500m north of Arch Rock Nature trail; plants in this population seem to have some M. linoides characteristics. Comment
  SEINET945637  Monardella robisonii K. Stolte 1979-1 Riverside Joshua Tree National Monument. Zoo Rock. A small mound of rock on the south side of Monument Route 2, 3.8 miles NW of the entrance to Lost Horse Ranger Station. Collected on the western aspect of Zoo Rock. Comment
  JOTR36449  Monoptilon bellioides La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3419 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA623606  Monoptilon bellioides Ernest Braunton 1940-4-3 2012 Riverside 25 miles Northeast of Indio. Comment
  UC831342  Monoptilon bellioides C. L. Hitchcock 1940-4-4 5943 Riverside Pinto Basin Comment
  UCR30048  Monoptilon bellioides A. C. Sanders 1983-4-24 3799 Riverside Sonoran (Colorado) Desert, alluvial fan at the NW end of Orocopia Mountains along Hwy 195, c. 3 miles NE of Shavers Well and 2.7 miles NE of the point where the road enters Box Canyon 367 Comment
  UCSB17222  Monoptilon bellioides Winn, Will 1963-4-8 Riverside 29.2 miles west of Desert Center on U.S. Highway 60-70 304 Comment
  UC219067  Montia fontana P. A. Munz and I. M. Johnston 1922-5-21 5521 Riverside San Jacinto Mountains, Hemet Valley Hemet Valley; San Jacinto Mountains, Hemet Valley 1386 Comment
  UCR138613  Muhlenbergia filiformis L. C. Wheeler 1961-6-24 7908 Riverside San Jacinto Mountains, Fulmor Lake Comment
  RSA613274  Muhlenbergia microsperma L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Snow Canyon, foot of Mount San Jacinto. 579 Comment
  UCR104880  Muhlenbergia microsperma George K. Helmkamp, E. A. Helmkamp 1998-2-18 2724 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  JOTR34094  Muhlenbergia porteri Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 8 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  UCD87089  Muhlenbergia rigens William M Klein 1960-8-22 1584 Riverside North of Idyllwild along the trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mts. 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
  RSA206500  Myosurus minimus subsp. apus E. W. Lathrop 1969-5-19 7061 Riverside 6 mi west of Murrieta. Mesa De Colorado of Santa Rosa Plateau Comment
  RSA660503  Myosurus minimus subsp. apus A. C. Sanders, K. C. Rose 1998-5-21 21861 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  UCR83570  Myosurus minimus subsp. apus Scott D. White 1993-3-12 1142 Riverside San Jacinto Valley, between aqueduct and Warren Rd. 457 Comment
  UCR280981  Myosurus minimus var. apus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 82 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  RSA0025077  Myriophyllum verticillatum Steve Boyd, T. S. Ross 1989-8-28 3800 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  SDSU3619  Myriopteris parryi A. H. Gallup 1949-3-28 361 Riverside San Jacinto Mt. Ranche. In rocky ledges-Palms to Pines Hywy above Desert Center. Drainage area is the Colorado Desert. 762 Comment
  RSA421096  Nama demissa N. R. Zabriskie, W. M. Zabriskie 1973-4-25 644 Riverside W-central portion Sec 30. Deep Canyon drainage, E side Hwy 74, opposite Black Hill, Santa Rosa Mtns. Site 22. 915 Comment
  RSA715323  Nama demissa Ora M. Clark 1929-3-16 1706 Riverside South Cabazon. Comment
  RSA79156  Nama demissa P. A. Munz, P. C. Everett 1952-5-2 16252 Riverside 2 miles west of Desert Hot Springs. 183 Comment
  UCR233163A  Nama demissa var. demissa Jim Andre, Glenn L. Clifton 2011-2-22 17448 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA0043146  Nama hispida var. spathulata Aaron C. Sedgwick, David Fraker 2012-4-24 6 Riverside Hwy 177 north from Desert Center. West side of the road. 183 Comment
  RSA108340  Nassella cernua Frank W. Gould 1944-4-4 2206 Riverside 12 miles S of Corona on road to Elsinore, alt Riverside County Comment
  RSA501006  Nassella pulchra Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3124 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
  RSA702729  Nassella pulchra Scott D. White, Michael Honer 2004-4-6 10060 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UCR112804  Navarretia atractyloides A. C. Sanders 1997-5-1 20610 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  SD135281  Navarretia fossalis Craig Reiser 1992-5-9 Riverside Hemet, corner of Stowe and California Streets. Massive vernal pool. (IPB 3/06) Comment
  UCR77580  Navarretia fossalis Steve Boyd, D. E. Bramlet 1991-5-13 6229 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  GMDRC5807  Nemacaulis denudata var. gracilis J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24394 Riverside West Riverside Mountains;: at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of 'Grommet' RR xing at Hwy 62 363 Comment
  POM47790  Nemacaulis denudata var. gracilis Mary F. Spencer 1918-4-13 803 Riverside Palm Springs. 137 Comment
  SEINET1869534  Nemacladus glanduliferus Robert F. Thorne, W. Wisura, A. Shmida and R. Whittaker 1978-1 52037 Riverside San Jacinto Mountains: Chino Canyon, Palms to Pines Highway. Comment
  RSA703803  Nemacladus glanduliferus var. orientalis LeRoy Gross 2005-3-3 1599 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA0014941  Nemacladus longiflorus var. longiflorus LeRoy Gross, Evan Meyer 2013-5-21 6118 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
  RSA0124735  Nemacladus ramosissimus Duncan S. Bell, LeRoy Gross 2016-3-31 9193 A Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  UC668348  Nemacladus sigmoideus Annie M. Alexander and Louise Kellogg 1941-4-24 2076 Riverside gorge of Dry Morongo Creek (Morongo Valley); Morongo Valley 640 Comment
  RSA421355  Nemophila menziesii E. Crow 1929-3-17 196 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  UC1537401  Nemophila menziesii Gordon H. True Jr. 1935-2-22 11 Riverside Mockingbird Canyon 457 Comment
  RSA0028793  Nemophila menziesii var. integrifolia N. C. Cooper 1944-5-20 1310 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  UCR106420  Nemophila menziesii var. menziesii George K. Helmkamp, A. C. Sanders 1997-3-15 1489 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  UC1922054  Nicotiana glauca Scott D. White, Angelia Carey 2004-4-5 10015 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UCR138596  Nicotiana glauca D. L. Banks 1996-11-7 1214 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 1.6 km east of the roads crossing with Pechanga Creek on the N fork of the creek, at the E end of the Reservation 415 Comment
  RSA744303  Nicotiana obtusifolia M. Wall 2009-4-5 503 Riverside Ladder and Painted Canyons east of Mecca. 231 Comment
  UC520043  Nicotiana obtusifolia A. N. Dunn and A. M. Martin 1932-3-26 Riverside Box Canyon Comment
  UCD126750  Nicotiana obtusifolia Lionel A. Stange 1956-3-31 s.n. Riverside 18 miles east of Mecca on State Highway 195. Comment
  UCR256324  Nicotiana obtusifolia Duncan S. Bell 2012-3-18 3175 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Canyon, c. 1.5 air miles southwest of Hidden Spring 129 Comment
  UC444935  Nicotiana quadrivalvis F. M. Reed 1905-9-25 247 Riverside Riverside Comment
  CAS-BOT-BC71162  Notholaena californica Louis C. Wheeler 1933-12-2 2306 Riverside Mouth Tah 304 Comment
  RSA686395  Notholaena californica T. R. Pray 1960-3-4 1646 Riverside Andreas Canyon Comment
  RSA686408  Notholaena californica L. C. Wheeler 1933-12-2 2306 Riverside Mouth Tahquitz Canyon near Palm Springs 144 Comment
  UC1929613  Nuttallanthus texanus Scott D. White 2003-3-21 8797 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  UCSB54189  Oenothera californica subsp. avita McKinley, Gale 1985-3-26 Riverside 1/2 mile N. of site #9 in Ryan campground in Joshua Tree National Monument 1280 Comment
  JOTR00889  Oenothera deltoides Sipe, Frank 1958-3-10 259 Riverside Joshua Tree National Park. PINTO BASIN Comment
  RSA75413  Oenothera deltoides subsp. deltoides F. W. Peirson 1918-03 779 Riverside Irrigated field near Indio. Comment
  UCR244732  Oenothera deltoides subsp. deltoides Jim Andre 2012-3-19 21350 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  UCR41640  Oenothera primiveris A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6030 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  CSUSB217  Oenothera speciosa C. M. Flanagan 1971-5-21 Riverside Sun Valley Drive, 29 Palms. Comment
Read comments
Mar 26 2014
  JEPS20749  Oligomeris linifolia Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13242 Riverside Highway U.S. 95, 11.3 mi n Blythe (in wash arising in Big Maria Mts.); in wash arising in Big Maria Mts. Comment
  RSA0027578  Olneya tesota Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 32 Riverside At Corn Springs Campground. Comment
  UC165053  Olneya tesota S. B. Parish 1912-6-28 8123 Riverside Mecca; Salton Basin Comment
  CAS-BOT-BC349927  Oncosiphon piluliferum A. C. Sanders; T. B. Salvato 2005-5-17 30239 Riverside Perris Basin: San Jacinto Valley, Gilman Springs Rd. at Quail Lake Golf Course 439 Comment
  OBI59203  Oncosiphon piluliferum Robert Noll 1998-3-23 s.n. Riverside Moreno Valley, E of Lake Perris along JFK Blvd. Also seen in Orange county, Haul Cyn Rd, Irvine Ranch Comment
  RSA748350  Oncosiphon piluliferum Justin M. Wood 2009-5-15 715 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  SBBG128747  Oncosiphon piluliferum R. E. Riefner Jr. 2012-3-31 12 -63 Riverside City of Hemet, N of Florida Ave and S of W Devonshire Ave and E of Meyers St 461 Comment
  SEINET7249213  Oncosiphon piluliferum R. E. Riefner Jr. 2012-1 12 -82 Riverside City of Lake Elsinore, S side of Alberhill Creek, W of Hwy. 74, vicinity of Bromley Ave. and Baker St. 380 Comment
  UCR233582  Oncosiphon piluliferum A. C. Sanders, John F. Green 2012-3-26 39992 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, De Palma Rd. near Indian Truck Trail, west of Lee (Corona) Lake near edge of a commercial development 363 Comment
  SEINET8674695  Opuntia X vaseyi Rosemary Trelease, Nancy Foisy, Joni Ward 2004-4-27 54525 Riverside Originally received into the Desert Botanical Garden living collection as a plant collected by Bruce Parfitt 3503 19 April 1986 with R. Anthony and A. Sanders from California, Riverside County, Pauba Valley, Highway 79 crossing of Temecula River (or Creek), 4.6 miles east of junction with road to Pala in the vicinity of the given coordinates as determined by Google Earth; collector's notes: Spiny and spineless pads on same plant; sage scrub hillside E of creek and S of highway. 1000 Comment
  UCR116808  Opuntia basilaris A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23938 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  POM284054  Opuntia chlorotica Lyman Benson 1955-12-6 15626 Riverside San Jacinto Mountain Range. Pines-to-Palms Highway. 1220 Comment
  UCR41417  Opuntia littoralis A. C. Sanders 1984-4-21 5013 Riverside Moreno Valley, Moreno Badlands, along Gilman Springs Road, 1.5 mi. northwest of Gilman Hot Springs, 4 mi west of Sanderson Avenue/ Lamb Canyon Road 488 Comment
  POM311558  Opuntia phaeacantha Lyman Benson 1963-7-13 16390 Riverside San Jacinto Mountains. Hillside 3 miles north of Gilman Hot Springs. Comment
  RSA22787  Opuntia phaeacantha C. B. Wolf, P. C. Everett 1938-9-29 9462 Riverside 9 miles from Temecula on road to Aguanga. Fork of Temecula wash. 335 Comment
  RSA752696  Opuntia prolifera John Green 2006-5-2 s.n. Riverside Unincorporated area along San Diego Aqueduct Corridor, 1 km due W of Skunk Hollow, between Nicholas Rd. and Borel Rd., E of Murrieta Hot Springs. 421 Comment
  CAS-BOT-BC254293  Orcuttia californica P. A. Munz; I. M. Johnston 1922-5-19 5375 Riverside Menifee Valley 426 Comment
  SD132922  Orcuttia californica var. californica Tim Cass 1979-6-1 207 Riverside Mesa de Buro, Pond A Comment
  UC218173  Oreostemma alpigenum var. andersonii P. A. Munz 1922-9-5 6364 Riverside meadow n of Tahquitz Valley; San Jacinto Mts. 2225 Comment
  UCR92776  Osmorhiza brachypoda D. L. Banks, Steve Boyd 1995-3-30 0113 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 713 Comment
  UCR23214  Oxalis corniculata P. Tomlinson 1981-4-30 0008 Riverside University of California, Riverside campus; west of the perimeter road c. 10 ft. off the road between Parking Lot 8 and Greenhouses 1-5. Comment
  SDSU12864  Oxalis pilosa J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 27 Riverside At switchback in road from Santa Margarita (SDSU) Field Station trailer leading down into Santa Margarita River Gorge, north of river. 256 Comment
  SDSU13605  Paeonia californica W. Miller, C. Mosse 1972-7-20 Riverside Comment
  SBBG24528  Palafoxia arida A. I. Richardson 1966-3-23 Riverside between Desert Highland Hot Springs and Village of Thousand Palms Comment
  SEINET10941632  Palafoxia arida David B. Dunn, Howard Brown 1947-1-12 Dunn 2840 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  POM301788  Palafoxia arida var. arida J. Cole 1942-06 973 Riverside Ruby Lee Mill Site, Joshua Tree National Monument. 915 Comment
  POM308547  Palafoxia arida var. arida Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3148 Riverside 10 miles east of Indio. Comment
  UCR239246  Palafoxia arida var. arida Thomas R. Stoughton, J. McConnaughy, A. Monks 2010-12-1 722 Riverside Sonoran (Colorado) Desert, Coachella Valley Preserve, c. 0.25 mile east of road. Site #3 305 Comment
  UCSB9697  Palafoxia arida var. arida Leeuwen, Henry 1957-4-13 Riverside On shoulder of Cal. Hwy. 195 about 10 miles west of U.S. 60 Comment
  RSA663891  Palafoxia linearis var. linearis C. R. Annable 1995-3-16 2299 Riverside Ca. 13 km NE of Desert center on Hwy 177. Comment
  RSA69872  Panicum capillare J. C. Roos 1951-9-25 5255 Riverside Fairmount Park 259 Comment
  RSA0020380  Parietaria hespera Duncan S. Bell, Keir Morse 2013-3-30 4661 Riverside A small hidden spring in an unnamed canyon to the east of Snow Canyon, about 1.8 air miles southwest of Windy Point. 482 Comment
  UCR279565  Parietaria hespera A. C. Sanders, Jim Malusa 2017-3-29 43172 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  SEINET7048158  Parietaria hespera var. californica Steven R. Hill 2001-5-3 33659 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
  RSA0035904  Parkinsonia florida J. M. Andre 2013-3-27 24821 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  UCR113973  Parthenocissus vitacea Mitch Provance, A. C. Sanders 2000-7-4 2099 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA769301  Paspalum vaginatum R. E. Riefner Jr. 2008-7-5 08 -215 Riverside Cathedral City, drainage tributary to Whitewater River, Perez Rd. at Date Palm Dr. 82 Comment
  UCR207309  Passiflora caerulea Darren T. Hasegawa 2007-4-21 s.n. Riverside Peninsular Range, Riverside, UCR campus, along fence of botanic garden subtropical fruit orchard 351 Comment
  POM204508  Pastinaca sativa M. French Gilman 1934-7-8 s.n. Riverside San Jacinto Mountains Comment
  JOTR32612  Pectis papposa var. papposa La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2674 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  OBI7762  Pectis papposa var. papposa David J. Keil 1975-8-27 10994 Riverside 8 mi W of Desert Center along I-10 Comment
  RSA716400  Pectocarya linearis Scott D. White, Angelia Carey 2004-4-5 10002 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR260878  Pectocarya linearis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41566 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 370 Comment
  UCSB10518  Pectocarya linearis subsp. ferocula Haller, John 1957-3-23 Riverside Morongo Wash; ca. 4.5 rd. mi. N of US 99; and 3 air miles S. of Riverside-San Bernardino Co. Line 609 Comment
  CHSC163  Pectocarya penicillata G. Spurlock 1935-4-12 Riverside Redlands. [Label says 'Riverside Co.]. Comment
  SEINET2042517 Image available Pectocarya penicillata A. C. Sanders 2001-3-20 23853 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Garnet, N side of 19th Ave.; 0.5 mi (airline) NW of intersection of I-10 and Indian Ave. T3S R4E S15, center 235 Comment
  UCR215507  Pectocarya penicillata Daphne K. Christopher, Hannah I. Stevens 2003-4-3 079 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  OBI23314  Pectocarya platycarpa Robert F. Hoover 1969-4-11 11215 Riverside Mouth of Morongo Valley Cyn Comment
  UCR92606  Pectocarya platycarpa George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  RSA0106692  Pectocarya recurvata Duncan S. Bell, Thomas Stoughton 2010-3-19 560 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2 air miles west of Priest Well. 449 Comment
  UCR175234  Pectocarya recurvata Jim Andre, T. La Doux 2006-4-11 6737 Riverside S Mojave Desert, Joshua Tree National Park, along Pinto Basin Road (paved) through Wilson Canyon at Fried Liver Wash 858 Comment
  JOTR34483  Pectocarya setosa Andre, Jim 2012-4-16 20966 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  UCR138805  Pedicularis densiflora D. L. Banks, J. Moreno 1997-2-5 1247 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  UC27331  Pedicularis semibarbata H. M. Hall 1901-7 2593 Riverside Tamarack Valley; San Jacinto Mountains 2743 Comment
  RSA0120313  Pellaea andromedifolia Duncan S. Bell 2016-4-16 9314 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  SEINET7073394  Pellaea andromedifolia 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
  RSA180363  Pellaea andromedifolia var. andromedifolia E. W. Lathrop 1960-6-7 4864 Riverside 14 miles W of Murrieta Comment
  SEINET3873378  Pellaea andromedifolia var. andromedifolia Steve Boyd, Timothy S. Ross; Dave Bramlet 1993-5-12 7312 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.; 0 Comment
  UCR111589  Pellaea mucronata Mitch Provance 1999-1-18 1741 Riverside Jurupa Mountains, Sunnyside area, 0.25 miles north of the Jensen Quarry, on W side of Sierra Blvd. 381 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
  UCR89842  Pellaea mucronata Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3307 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
  POM212309  Pellaea mucronata var. mucronata C. B. Wolf 1931-5-11 1958 Riverside San Jacinto Mountains: rocky places near Pipe Creek, above Hemet Valley 1677 Comment
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Mar 24 2011
  SFV13130  Pellaea mucronata var. mucronata M. J. Thor 1982-9-17 138 Riverside San Jacinto Mountains Idyllwild Park. 1616 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
  POM11204  Penstemon centranthifolius Philip A. Munz 1922-6-23 5787 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784]. 1372 Comment
  RSA33785  Penstemon centranthifolius N. C. Cooper 1944-5-20 1312 Riverside Pine Flats, Palms to Pines Highway, San Jacinto Mountains. 1220 Comment
  SFV17409  Penstemon clevelandii M. S. Valenzuela 1998-6-6 74 dup. Riverside Highway 74 near Santa Rosa Mountain Road. 1220 Comment
  POM15010  Penstemon labrosus Mary F. Spencer 1922-7-2 961 Riverside Idyllwild. 1707 Comment
  RSA102220  Penstemon labrosus Mary F. Spencer 1921-7-4 279 Riverside Idyllwild. Comment
  RSA402125  Penstemon labrosus Christopher Davidson 1978-6-15 7386 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  UC887103  Penstemon labrosus Edmund C. Jaeger 1921-7-8 Riverside Idylwild , Idylwild (San Jacinto Mts.) 1584 Comment
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Nov 5 2011
  POM12989  Pentachaeta aurea P. A. Munz, I. M. Johnston 1922-5-19 5308 Riverside Santa Ana River Canyon. 457 Comment
  RSA282788  Pentachaeta aurea C. W. Tilforth, B. Busenberg 1980-7-10 1977 Riverside 0.1 mile in form Hwy 74 on north leg of Thomas Mountain Rd., 1 mile south of Lake Hemet 1387 Comment
  RSA0070720  Pentagramma triangularis Darin L. Banks, Steve Boyd 1995-3-30 0116 A Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 713 Comment
  RSA0066309  Pentagramma triangularis P. A. Munz 1922-4-29 5116 a Riverside 5 miles west of Aguanga. Comment
  RSA125965  Pentagramma triangularis subsp. maxonii E. K. Balls, Percy C. Everett 1957-11-4 22753 Riverside Snow Creek about old Fish Hatchery, and through wash; always on N side of rocks 701 Comment
  SBBG14835  Pentagramma triangularis subsp. maxonii L. L. Kiefer 1963-3-24 472 Riverside Tahquitz Cyn above Tahquitz Falls 274 Comment
  JOTR34375  Peritoma arborea var. arborea Andre, Jim 2012-4-16 20895 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA0081614  Perityle emoryi Jim M. Andre 2012-4-11 20833 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  UC170155  Perityle emoryi E. E. Schellenger 1894-12-3 104 Riverside Churckawalla Wash, Colorado Desert Comment
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Sep 15 2016
  UCR213368  Petalonyx linearis Lynn Sweet, Kai T. Palenscar 2009-12-16 s.n. Riverside Peninsular Range/Sonoran Desert; Santa Rosa Mtns., UC Boyd Deep Canyon Reserve, c. 2 hour walk up Deep Canyon above the station 488 Comment
  CAS-BOT-BC167769  Petalonyx thurberi Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  HSC24901  Petalonyx thurberi James Henrickson 1969-10-25 4264 Riverside 3 mi. S of Palm Desert on flat sandy area at base of Palms to Pines Grade 183 Comment
  RSA445158  Petalonyx thurberi A. Menke 1955-5-22 s.n. Riverside Palm Springs Station. Comment
  RSA795941  Petalonyx thurberi Duncan S. Bell 2009-4-19 279 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SEINET3094522 Image available Petalonyx thurberi E. R. Blakley 1952-8-17 B- 1556 Riverside Shavers Summit. Comment
  SEINET11978709  Petalonyx thurberi Unknown 1936-1 12791 Riverside Colorado Desert N of Palm Springs Comment
  CLARK-A1528-2028  Peucephyllum schottii John C. Roos 1966-2-5 Riverside Indio Hills Comment
  HSC25834  Peucephyllum schottii Richard Spjut 1972-2-1 2074 Riverside Colorado Desert: Southern end of the Eagle Mts.; Eagle Mt. Rd. and other sandy roads ca. 3 to 6 mi. N of Desert Center Comment
  RSA676057  Peucephyllum schottii Scott D. White 2001-4-3 8241 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR148860  Peucephyllum schottii S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  RSA554212  Phacelia ambigua Theo Glenn 1991-4-9 91 -4 Riverside Big wash in Eagle Mountains 787 Comment
  JEPS2212  Phacelia campanularia subsp. campanularia Marjorie Clary March, 1929 18 Riverside Whitewater Canyon Comment
  UCR101787  Phacelia cicutaria var. hispida George K. Helmkamp, E. A. Helmkamp 1997-3-5 1320 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR116661  Phacelia cicutaria var. hispida A. C. Sanders, Carolyn Washburn 2001-5-10 24237 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
  UCR172786  Phacelia cicutaria var. hispida Wayne Law, Jun Hu 2000-5-16 16 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  UCR177512  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32536 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  UCR251941  Phacelia cicutaria var. hispida Harun Bektas 2011-4-26 01 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  UCR19174  Phacelia crenulata John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  RSA0043233  Phacelia crenulata var. ambigua Duncan S. Bell 2010-5-1 882 A Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR97479  Phacelia cryptantha John Wear, Nathan Moorhatch 1997-3-18 s.n. Riverside San Jacinto Mtns, S of Chino Canyon, at NW end of Palm Springs 350 Comment
  UCR166155  Phacelia curvipes T. B. Salvato, John F. Green 2004-5-27 565 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
  JOTR28949  Phacelia distans La Doux, Tasha 2005-3-30 1185 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA0039605  Phacelia distans Deidre Conocchioli, Duncan S. Bell 2014-3-4 144 Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695 Comment
  RSA192000  Phacelia distans E. W. Lathrop 1959-4-16 4467 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  RSA699142  Phacelia distans J. R. Bruff 1927-3-12 s.n. Riverside Fingal Comment
  SEINET156041  Phacelia distans Norman C. Cooper 1944-3-24 1018 Riverside Banning. 701 Comment
  UC1228376  Phacelia imbricata subsp. patula L. R. Heckard 1956-6-28 768 Riverside near Idyllwild (along edge of meadow); San Jacinto Mountains, Saunders Meadow Comment
  UC489184  Phacelia imbricata subsp. patula C. V. Meyer 1928-7-30 592 Riverside Saunders Meadow San Jacinto Mts. 1706 Comment
  RSA428085  Phacelia minor Ora M. Clark 1929-4-6 1935 Riverside E. Riverside Comment
  RSA678361  Phacelia minor Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10498 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  SFV11870  Phacelia minor R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  SEINET1004522  Phacelia ramosissima Mitch Provance 2003-1 6527 Riverside San Bernardino Valley: S of the site of the historic town of Declezville, in an unincorporated part of Riverside Co. just S of Fontana (in the southridge area), along the NW slopes of the Jurupa Mountains, ca. 0.3 miles ENE of peak 1437. 317 Comment
  POM158430  Phacelia ramosissima var. latifolia P. A. Munz 1927-5-21 10849 Riverside San Carlos Pass, near Anza. Comment
  UCR2647  Phalaris lemmonii F. M. Reed 1905-5-7 740 Riverside Peninsular Range, Box Springs Mtns., spring near summit of Pigeon Pass, Riverside and vicinity Comment
  UCR265849  Phalaris minor Mitch Provance 2013-4-8 413- 05 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  CAS-BOT-BC174320  Phalaris paradoxa A. C. Sanders 2003-5-9 26590 Riverside San Jacinto Valley: west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR88175  Phalaris paradoxa Karen Kirtland 1992-5-25 s.n. Riverside San Jacinto River between Nuevo Road and San Jacinto Avenue. 427 Comment
  RSA0057661  Philadelphus microphyllus var. stramineus Percy C. Everett 1942-7-28 11294 Riverside Several hundred yards below summit of Devil's Slide Trail (Trail to Mt. San Jacinto), San Jacinto Mountains. 2439 Comment
  SEINET8731212 Image available Philibertia heterophylla Jean Coulson 1959-1 167 Riverside San Jacinto Mts.; S. side of N. Fork of San Jacin next to Highway 74. W. side Comment
  UCR2663  Phleum pratense F. M. Reed 1903-12-10 224 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  UCR260960  Phoenix canariensis Duncan S. Bell 2013-1-30 4446 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the southwest of Mecca Hills Peak 1642 103 Comment
  JOTR35431B  Phoenix dactylifera Kain, Katie, Angela Sowa 2012-10-16 s.n. Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  CAS-BOT-BC219550  Pholisma arenarium Carl B. Wolf 1932-4-29 3120 Riverside Eastern Colorado Desert. 3 mi. So. of Rice on Blythe Road 213 Comment
  UCR178569  Pholistoma membranaceum R. G. Swinney 1967-2-4 0008 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 335 Comment
  CAS-BOT-BC135103  Phoradendron californicum Roxana S. Ferris 1918-6-15 997 Riverside in a wash 12 miles E of Showers Well Comment
  RSA420768  Phoradendron californicum P. J. Remple 1942-3-1 s.n. Riverside Colorado Desert. Comment
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Nov 5 2011
  UCD102016  Phoradendron californicum Dennis Kucera 1987-11-14 s.n. Riverside Malki Museum garden, E of Banning off Fields Rd, Morongo Indian Reservation. 609 Comment
  UCR48557  Phoradendron californicum J. Glazner 1985-3-24 s.n. Riverside Sonoran (Colorado) Desert Edge; San Gorgonio Pass, Cabzon, 3 mi NW of city and I-10 on Fields Road 564 Comment
  UCSB1314  Phoradendron californicum Graney, Don 1953-3-22 Riverside Morango Canyon, Colorado Desert Comment
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May 15 2016
  RSA552719  Phoradendron macrophyllum Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6689 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR91927  Phoradendron pauciflorum George K. Helmkamp, E. A. Helmkamp 1995-11-16 3- 01 Riverside San Jacinto Mtns., At Humber Park NE of Idyllwild. 2000 Comment
  JOTR36414  Phoradendron serotinum subsp. tomentosum La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3360 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA612368  Phoradendron villosum D. L. Banks, Joe Moreno 1997-2-5 1254 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  UC985938  Physalis acutifolia Malcolm A. Nobs and S. Galen Smith 1948-9-3 483 Riverside 2 mi n Indio; Imperial Valley Comment
  UCSB41543  Physalis acutifolia Roos, John 1965-9-5 Riverside Blythe Comment
  JEPS68692  Physalis crassifolia Annie M. Alexander and Louise Kellogg 1939-1-2 276 Riverside Mouth of Spring Canyon, Clemens Well Wash Spring Canyon; , Clemens Well Wash Comment
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Apr 23 2011
  RSA124414  Physalis crassifolia Percy C. Everett, E. K. Balls 1958-4-29 23018 Riverside U.S Hwy. 60/70, Indio to Blythe, 1 mi. W. of Cactus City. Comment
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Mar 20 2011
  SD181326  Physalis crassifolia Scott D. White 1999-4-20 7273 Riverside Southern Foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, wash, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe 89 Comment
  UCR102739  Physalis crassifolia B. G. Pitzer 1998-2-1 3435 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR279405  Physaria tenella A. C. Sanders, Jim Malusa 2017-3-25 43020 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
  SDSU13904  Pickeringia montana var. tomentosa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2157 Riverside Santa Margarita Ecological Reserve (SDSU), just south of east-west draw, north of El Valle complex. 646 Comment
  CAS-BOT-BC78470  Pinus contorta subsp. murrayana F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  RSA0031608  Pinus contorta subsp. murrayana Rudolf Schmid, Mena Schmid 2009-5-3 2009 -7 Riverside San Jacinto Mtns., Tahquitz Peak. Just right (as ascending) of South Ridge Trail to Tahquitz Peak. 2628 Comment
  SEINET10612079  Pinus coulteri Porter P. Lowry II 1980-12-6 Lowry II 3123 Riverside ca 3.5 mi E of Anza on STate Hwy. 371. Open, E-facing slopes along roadway. ca 300 m W of San Bernadino Forest boundary. 1341 Comment
  POM11510  Pinus flexilis Philip A. Munz 1922-7-7 6037 Riverside San Jacinto Peak. near summit. 3277 Comment
  SEINET10530738  Pinus flexilis David B. Dunn 1946-8-17 Dunn 2711 Riverside Found on N side of Laquitz Peak. San Jacinto Mts. 2675 Comment
  UC1600404  Pinus lambertiana H. M. Hall 1901-1-1 2614 Riverside Tauquitz Peak San Jacinto Mts., Tauquitz Peak Comment
  NY42732  Pinus quadrifolia J. B. Walker 1995-3-28 1289 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SD178108  Pistia stratiotes A. C. Sanders, C. L. Sanders and D. L. Sanders 2004-5-23 27963 Riverside Coachella Valley, northeast end of the Salton Sea, near end of Johnson St. -70 Comment
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Nov 10 2009
  UCR281115  Pityrogramma triangularis Mitch Provance, Jeremiah George 2017-3-21 317- 13 Riverside Temescal Valley, N of Hwy 15, and adjacent to S side of Temescal Canyon Rd., above Horsethief Wash (E branch impeded by development) 370 Comment
  UCR157667  Plagiobothrys canescens A. C. Sanders, J. C. Lyman 1995-4-16 16560 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  UCR162838  Plagiobothrys collinus S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR225440  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38845 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  UCR241832  Plagiobothrys collinus A. C. Sanders, Timothy W. Chumley 2013-4-3 40760 Riverside Peninsular Range, Temescal Canyon just above Horsethief Canyon wash crossing of DePalma Rd. at old DePalma's Italian Village site, SE of Corona (Lee) Lake 378 Comment
  POM368962  Plagiobothrys collinus var. californicus Ora M. Clark 1929-3-2 1605 Riverside Near Alberhill. Comment
  RSA145925  Plagiobothrys collinus var. californicus William McKinley Klein, J. E. Klein 1958-2-9 17 Riverside 4.5 mi. northwest of Alberhill (Calif. hwy 71). Comment
  UCR228916  Plagiobothrys collinus var. fulvescens A. C. Sanders 2011-4-7 39028 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCR25972  Plagiobothrys leptocladus John C. Roos 1952-4-23 5572 Riverside Perris-Aguanga Basin region, 1 mi SE of Perris 427 Comment
  UCR113198  Plagiobothrys tenellus A. C. Sanders 1998-3-11 21662 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, looking down on San Jacinto Valley between ends of Warren Rd. and Sanderson Ave. 610 Comment
  RSA543869  Plantago bigelovii subsp. californica Steve Boyd, D. Bramlet 1991-5-13 6230 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR172285  Plantago erecta 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
  UCD124517  Plantago major E. W. Lathrop 1966-5-8 6414 Riverside Santa Ana Mountains. 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
  UCR102721  Plantago ovata B. G. Pitzer 1998-1-24 3407 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR133968  Plantago ovata Mitch Provance, J. S. Ross 1998-3-27 MOR- 951 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  SEINET7048025  Plantago ovata Steven R. Hill, Kate Kramer 2001-4-27 33495 Riverside California Route 86, west side of U.S. Navy Salton Sea Test Base road just east of Route 86. About 10.4 miles south of Salton City. Elevation 16 feet. 4 Comment
  POM308154  Plantago ovata var. fastigiata Henry J. Ramsey, Henry J. Ramsey 1939-11-28 2921 Riverside 10 miles east of Indio. Comment
  POM4543  Plantago ovata var. fastigiata I. M. Johnston 1917-4-6 s.n. Riverside Palm Canyon. 274 Comment
  RSA773669  Plantago patagonica Duncan S. Bell, Joy D. England 2010-5-20 1032 Riverside San Bernardino National Forest: Garner Valley, approximately 1.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1362 Comment
  UCR35065  Plantago patagonica L. B. Ziegler 1972-5-30 465 Riverside San Jacinto Mtns., Hemet (Garner) Valley. 1418 Comment
  POM13874  Platanthera leucostachys E. C. Jaeger 1921-7-12 1169 Riverside Deer Springs. San Jacinto Mountains. Comment
  POM250486  Platanthera leucostachys I. W. Clokey, E. G. Anderson 1935-8-21 6561 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  RSA659486  Platanus racemosa Bob Rogers 1984-4-14 6 Riverside Collected in the San Jacinto river-bed on the North side of Hwy 74, 0.6 miles past Cranston ranger station going east from Hemet towards Mountain Center. 610 Comment
  POM10260  Platystemon californicus Charlotte M. Wilder 1903-5-29 s.n. Riverside Wilders Canyon. Comment
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Apr 2 2011
  RSA660049  Platystemon californicus Glenda Long 1981-4-11 7 Riverside 5 miles along Cajalco Road after I 15 offramp. 100 to 150 yards up north facing slope from road. Comment
  CDA7048  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -397 Riverside City of Temecula, Wolf Valley, Wolf Valley Road at Wolf Creek Road. Comment
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Dec 13 2012
  RSA766067  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -365 Riverside City of Temecula, Vine St. at Peach Tree St. 341 Comment
  JEPS6146  Plectritis ciliosa subsp. insignis R. Bacigalupi 1954-4-25 4398 Riverside 3/4 mi s of Sage (close to summit of St. John's Grade, Cal Hwy 79); Cal Hwy 79 Comment
  RSA100257  Plectritis ciliosa subsp. insignis F. W. Peirson 1922-5-19 3047 Riverside San Jacinto River. 1143 Comment
  UCR160324  Plectritis ciliosa subsp. insignis Steve Boyd, Orlando Mistretta 1992-4-22 6996 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  POM1027  Pleuraphis rigida H. M. Hall 1902-04 2847 Riverside Coyote canyon 152 Comment
  RSA0027563  Pleuraphis rigida April Garbat, Sarah Fisher, Kristin Forgrave 2013-8-1 97 Riverside Chuckwalla Valley. Intersection of Graham Pass Rd and Chuckwalla Valley Rd. 120 Comment
  RSA414079  Pleuraphis rigida Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7821 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  RSA0107900  Pleurocoronis pluriseta Duncan S. Bell, Thomas Stoughton 2010-3-19 573 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.3 air miles west of Priest Well. 428 Comment
  RSA472091  Pleurocoronis pluriseta N. R. Zabriskie, Walter M. Zabriskie 1972-12-30 555 Riverside Callaway Canyon, Palm Canyon, E slope San Jacinto Mts. 244 Comment
  UC32843  Pleurocoronis pluriseta S. B. Parish Apr 4 1896-Apr 13 1896 4122 Riverside Palm Springs (Agua Caliente), desert base of San Jacinto Mt. San Jacinto Mt. 152 Comment
  CAS-BOT-BC326511  Pluchea sericea W. R. Dudley 1903-12-26 s.n. Riverside Palm Canyon Comment
  CAS-BOT-BC326540  Pluchea sericea H. Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  CAS-BOT-BC326548  Pluchea sericea H. M. Hall 1901-1-1 s.n. Riverside San Jacinto Mountains Comment
  UCSB33270  Pluchea sericea Miller, Brian 1963-6-1 Riverside 1000 Palms Oasis 30 Comment
  RSA484164  Poa E. S. Spalding 1926-2-20 15407 Riverside Andreas Canyon, Colorado Desert. Comment
  LA206408  Poa nevadensis Frank W. Gould; 1944-4-5 2234 Riverside 17 mi. E of Temecula on highway 79 Comment
  CHSC109260  Poa pratensis Scott D. White; Justin M. Hood 2008-6-19 12268 Riverside San Jacinto Mountains; Meadows at Baldy Mtn. 1631 Comment
  SEINET244233 Image available Poa secunda A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24939 Riverside The Badlands; hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 610 Comment
  UCR241011  Poa secunda Tracy Tennant 1998-3-11 205 Riverside North Hills, Domenigoni Valley area, SE of Winchester 694 Comment
  UCR2696  Poa secunda F. M. Reed 1907-4-7 1289 Riverside Streambed at foot of Box Springs Mountain Comment
  UCR2705  Poa secunda F. M. Reed 1905-4-2 694 Riverside Box Springs Mountain, east of Riverside 549 Comment
  UCR263230  Polycarpon tetraphyllum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41460 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  CAS-BOT-BC167528  Polygala acanthoclada Annie M. Alexander; Louise Kellogg 1941-5-18 2195 Riverside 1.5 miles north of Cottonwood Spring, Eagle Mountains 975 Comment
  SBBG61503  Polygonum aviculare M. N. Ackley 1927-3-13 883 Riverside Coral Reef Ranch -9 Comment
  UCR100169  Polygonum aviculare Scott D. White 1996-12-26 4644 Riverside Perris Basin, Perris area 442 Comment
  POM48737  Polygonum aviculare subsp. aviculare P. A. Munz, I. M. Johnston 1924-7-29 8822 Riverside Banning Idyllwild Road. 945 Comment
  SEINET3405927 Image available Polygonum douglasii var. johnstonii Philip A. Munz 1938-8-14 15359 Riverside Virgin Spring, Santa Rosa Mts. 2286 Comment
  RSA500161  Polygonum lapathifolium Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3640 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  RSA641603  Polypodium californicum E. Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mtns. Canyon near Murietta. Comment
  UCR178352  Polypodium californicum Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1061 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR24907  Polypodium hesperium A. C. Sanders 1980-8-21 1775 Riverside San Jacinto Mountains, Mt. San Jacinto Wilderness Area. east of Saddle Junction at the head of Tahquitz Creek, c. 2 mi NE of Idyllwild 2409 Comment
  UC1930040  Polypogon monspeliensis Scott D. White, Justin Wood 2008-6-16 12113 Riverside San Jacinto Mountains: Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring. Comment
  UCR182566  Polypogon monspeliensis Andrea Salzman, Carlos Navarro 2006-6-6 146 Riverside Peninsular Range; Santa Rosa Plateau, Mesa de Burro 581 Comment
  RSA799667  Populus fremontii subsp. fremontii LeRoy Gross, Bart O'Brien 2013-3-18 5951 Riverside Fairmount Park, west side of Lake Evans. Riverside. Northeast of Mount Rubidoux. 238 Comment
  POM360816  Populus trichocarpa Lester H. Cushman 1931-10 s.n. Riverside Near Pedley. Comment
  CAS-BOT-BC356157  Porophyllum gracile A. C. Sanders; T. B. Salvato; Kelly Volansky 2006-5-28 32644 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA234114  Porophyllum gracile R. F. Thorne, R. Carolin 1967-3-21 41644 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA552744  Porophyllum gracile Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-25 6676 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  UCR232780  Portulaca oleracea John F. Green 2008-4-16 0408- 44 Riverside Peninsular Range; Perris-Aguanga Valley, SE edge of Romoland, edge of electrical power station, between Menifee and Palomar roads 446 Comment
  RSA0013892  Proboscidea althaeifolia J. C. Roos 1965-9-5 s.n. Riverside 17 mi. W of Blythe Comment
  UCR35825  Proboscidea louisianica Steve Boyd 1984-9-20 s.n. Riverside Perris Basin, Mead Valley, 4.5 mi. NW of Perris, along Cajalco Road, 0.2 mi. east of intersection with Clark Street (= Old Elsinore Road) Comment
  SEINET2045436 Image available Proboscidea parviflora Howard Scott Gentry 1948-6 8181 Riverside Gentry Farm, ca. 3 mi NE of Murrieta. Comment
  UCR101278  Prosopis glandulosa L. C. Wheeler 1961-10-8 7933 Riverside Peninsular Range, Temescal Canyon at Dawson Canyon Fire Road. Comment
  CAS-BOT-BC206993  Prosopis glandulosa var. torreyana Milo S. Baker 1928-4-3 3244 b Riverside Palm Spr. Canyon at camp. Comment
  RSA784720  Prosopis glandulosa var. torreyana Duncan S. Bell 2012-3-18 3207 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
  SBBG68559  Prosopis glandulosa var. torreyana M. N. Ackley 1928-3-25 613 Riverside Indio -6 Comment
  SEINET3269556 Image available Prosopis glandulosa var. torreyana M. F. Wojciechowski 2000-4-5 875 Riverside Ca. 5 mi north of Blythe along US 95. Comment
  CAS-BOT-BC151123  Prunus fremontii Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  RSA453238  Prunus fremontii Anstruther Davidson 1893-4-10 1844 Riverside Palm Springs. Comment
  SEINET3077290 Image available Prunus fremontii John Adams 1966-2-3 385 Riverside San Jacinto Mountains, 3 mi elow Pinyon Flats. 1067 Comment
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Aug 3 2013
  JEPS44629  Prunus ilicifolia W. L. Jepson 1901-5-19 1267 Riverside journey from Riverside to Santa Rosa Peak and Palomar (Upper San Jacinto Valley, San Jacinto River Canyon); Upper San Jacinto Valley, San Jacinto River Canyon 609 Comment
  SEINET3077276 Image available Prunus ilicifolia H. S. Gentry 1954-7-25 14244 Riverside NW of Aguanga along road to Sage. Comment
  UCR22038  Prunus ilicifolia Steve Boyd 1980-6-4 316 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR49245  Prunus ilicifolia Steve Boyd 1986-4-22 1729 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  SDSU13933  Prunus ilicifolia subsp. ilicifolia Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2142 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  CAS-BOT-BC356339  Psathyrotes ramosissima Peter H. Raven 1958-1-23 11424 Riverside Along United States Highway 99, 8.6 miles west of Thousand Palms turnoff Comment
  UC1176850  Psathyrotes ramosissima Lewis S. Rose 1959-1-12 59010 Riverside Cathedral City 121 Comment
  UC90701  Psathyrotes ramosissima E. Palmer, M. D. March 1876 Riverside Valley of the Colorado Comment
  SEINET2053761 Image available Pseudognaphalium biolettii Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  CAS-BOT-BC376153  Pseudognaphalium californicum L. Nye; G. Gust 2005-3-11 62 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  SD152939  Pseudognaphalium californicum Steve Boyd, Tim Ross 1992-5-5 7246 Riverside Southern Santa Ana Mountains, isolated grassland area south of Oak Flats. 730 Comment
  SD137884  Pseudognaphalium leucocephalum Darin L. Banks, Steve Boyd 1995-10-17 791 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest; along lowere Arroyo Seco, south of Dripping Springs Campground. 515 Comment
  UC1719666  Pseudognaphalium luteoalbum Steve Boyd, Aydee Virgen 2004-4-13 10865 Riverside Peninsular Ranges; Santa Ana Mountains region; San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR264630  Pseudognaphalium ramosissimum Mitch Provance 2012-6-19 196- 06 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  SD186106  Pseudognaphalium stramineum A. C. Sanders, Mike Misenhelter 2005-6-15 30967 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles southsouthwest of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 miles northeast of summit of (Big) Oak Mtn. 640 Comment
  SD237349  Psilocarphus brevissimus D. E. Bramlet 1991-5-7 2123 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal. 500 Comment
  UCR114955  Psilocarphus brevissimus var. brevissimus Fred M. Roberts 1992-4-25 4867 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  UCR166803  Psilocarphus chilensis R. E. Riefner Jr. 2005-4-22 05- 242 Riverside W side of Hwy 79, between Old Newport Road and Paton Road 469 Comment
  RSA0098338  Psorothamnus arborescens var. arborescens Marc A. Baker 2015-4-14 18323 Riverside San Gorgonio Pass, 5.5 km east of the San Gorgonio River, 26 km WNW of Palm Springs, 2.2 km NE of Cabazon. 582 Comment
  CAS-BOT-BC353613  Psorothamnus emoryi D. B. Dunn; H. Brown; E. McClintock 1947-3-15 2879 Riverside Pushawalla Canyon, Indio Hills Comment
  CAS-BOT-BC353641  Psorothamnus emoryi Cecil Hart 1926-3-9 s.n. Riverside between Whitewater and Indio Comment
  RSA124449  Psorothamnus emoryi Percy C. Everett, E. K. Balls 1958-4-29 23023 Riverside 5.3 mi. NE from Desert Center along road to Rice and Vidal Jct. 244 Comment
  CAS-BOT-BC340891  Psorothamnus schottii K. Bonner 1977-10-28 2572 Riverside 1 mi. S. of Buried Mtn. Comment
  CAS-BOT-BC340902  Psorothamnus schottii Javier Penalosa 1963-4-10 2783 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  CAS-BOT-BC340905  Psorothamnus schottii Street; Munz 1919-5-7 2749 Riverside Palm Springs 182 Comment
  SBBG24924  Psorothamnus schottii D. Myrick 1966-4-1 1315 Riverside Linda Vista Lodge, Desert Hot Springs Comment
  UC311260  Psorothamnus schottii Philip A. Munz 1926-1-1 10816 Riverside Thousand Palms Comment
  UC667244  Psorothamnus schottii Annie M. Alexander and Louise Kellogg 1941-5-17 2193 Riverside near Dos Palmas (Colorado Desert); , near Dos Palmas Comment
  UC68510  Psorothamnus schottii H. M. Hall 1905-4-1 5973 Riverside Chuckawalla Mt. , Chuckawalla Mt. (Colorado Desert) Comment
  UCR158770  Psorothamnus schottii Lyman Benson, Robert Benson 1952-4-8 14848 Riverside Sonoran (Colorado) Desert, 2 mi. west of Shaver Summit [Chiriaco Summit] east of Indio, U.S. Hwy 66 518 Comment
  UCR279471  Psorothamnus schottii A. C. Sanders, Jim Malusa 2017-3-29 43192 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  CAS-BOT-BC340953  Psorothamnus spinosus Marcus E. Jones 1926-6-8 s.n. Riverside Palm Spring Comment
  JOTR32399  Psorothamnus spinosus Harding, Mitzi, A. Benton 2011-7-13 16 Riverside Joshua Tree National Park. Pinto Basin; Smoke Tree Wash; sandy, open flat along Pinto Basin road, just north of Smoke Tree Wash 809 Comment
  SD81445  Pteridium aquilinum var. pubescens Louis C. Wheeler 1931-10-4 Riverside San Jacinto Mountains, Strawberry Valley 1584 Comment
  SD155441  Pterospora andromedea Craig Reiser 2002-5-27 Riverside Santa Rosa Peak, south of east/west fire road on embankment, near summit. Comment
  CAS-BOT-BC421253  Pterostegia drymarioides Susan G. Stokes 1934-7-1 313 Riverside San Jacinto Mt. 1066 Comment
  POM8825  Pterostegia drymarioides Mary F. Spencer 1920-7-4 s.n. Riverside [Palm?] Canyon 183 Comment
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Nov 19 2011
  RSA392940  Pterostegia drymarioides N. C. Cooper 1944-6-17 1439 Riverside San Jacinto Mountain. West side. 1372 Comment
  SDSU12923  Pterostegia drymarioides Jutta Buschbom 1991-3-6 47 Riverside SE-slope, N-Border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the fieldstation. Santa Margarita Ecological Reserve, Temecula. Comment
  RSA737352  Pulicaria paludosa Justin M. Wood 2008-9-19 141 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SEINET3077228 Image available Purshia glandulosa Howard Scott Gentry 1985-5-22 23809 Riverside Pinyon Flats, Santa Rosa Mountains. 1219 Comment
  JOTR32194  Purshia tridentata var. glandulosa Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  POM306721  Purshia tridentata var. glandulosa Henry J. Ramsey, Henry J. Ramsey 1938-4-22 1661 Riverside Santa Rosa Mountains. 1220 Comment
  UC1329921  Purshia tridentata var. glandulosa James E. Cole 1941-5-17 722 Riverside Covington Flat; Joshua Tree National Monument 1584 Comment
  UCSC000553  Pyrola picta I. J. Condit 2010-6-22 s.n. Riverside San Jacinto Mts. 2438 Comment
  CAS-BOT-BC86543  Quercus X munzii Philip A. Munz 1946-10-21 11590 Riverside Live Oak Tank, Joshua Tree National Monument 1219 Comment
  RSA39111  Quercus X munzii C. Epling 1945-1 s.n. Riverside Near Keyes Ranch, Little San Bernardino Mts. Comment
  RSA0127036  Quercus agrifolia Tom Scott 2011-04 2011 -581 Riverside San Bernardino Mtns: south side of mountains along Mias Canyon Rd., c. 0.5 mile north of Bluff St., north of Banning. 863 Comment
  RSA180341  Quercus agrifolia E. W. Lathrop 1965-4-4 5646 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  RSA597240  Quercus agrifolia A. C. Sanders, S. Hawkins 1996-4-24 18072 Riverside Morongo Indian Reservation, in Hathaway Canyon near Burro Flats. 915 Comment
  RSA476866  Quercus agrifolia var. agrifolia Mark Morris, Richard Barkelew 1929-5-10 s.n. Riverside Indian Canyon Comment
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Nov 11 2011
  UCR264637  Quercus berberidifolia Mitch Provance 2012-4-27 412- 22 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
  UCR90742  Quercus berberidifolia Scott D. White 1995-4-5 2753 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  UCD45462  Quercus chrysolepis E. W. Lathrop 1969-5-9 7024 Riverside Mail divide truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l. Forest, Riverside Co. Elevation 4000 1219 Comment
  RSA296121  Quercus cornelius-mulleri Barry A. Prigge 1980-8-11 3892 Riverside Whitewater Canyon: 3.2 miles upstream from trout farm. 854 Comment
  UCR106904  Quercus engelmannii D. L. Banks, Lauren Raz 1996-11-5 1160 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  UC338415 Image available Quercus macdonaldii var. elegantula Edw. L. Greene 1889-6-1 Riverside Temecula Canyon Comment
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Mar 27 2011
  UCD47107  Quercus palmeri Rudolph Fischer 1965-10-8 1 Riverside East foothills of Thomas Mountain, Santa Rosa range, State Highway 74, ca. 10 miles south of keen Camp, Riverside County, California. 1341 Comment
  UCR117251  Quercus palmeri A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22294 Riverside San Jacinto Mtns., W side of Burnt Valley along Burnt Valley Rd. 1354 Comment
  UCR165196  Quercus palmeri D. E. Bramlet, Fred M. Roberts 2004-4-13 3552 Riverside Perris-Aguanga Basin, South Bernasconi Hills, 1.3 km south of Ramona Expressway and 1.4 km west of San Jacinto River 515 Comment
  RSA192183  Rafinesquia californica E. W. Lathrop 1966-5-1 6218 Riverside 2 miles west of Murrieta Comment
  RSA314643  Rafinesquia californica R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55452 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UCR178512  Rafinesquia californica R. G. Swinney 1967-2-12 0014 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  UCR254623  Rafinesquia neomexicana Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24401 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  CAS-BOT-BC379419  Ranunculus alismifolius var. alismellus H. M. Hall 1901-7-1 2405 Riverside San Jacinto Mountains, in meadows or along creeks of Tamarack Valley 2804 Comment
  POM295  Ranunculus cymbalaria var. saximontanus D. L. Crawford 745 Riverside At side of Lake Riverside. Comment
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Sep 3 2011
  UCR65291  Ranunculus sceleratus Steve Boyd, T. S. Ross 1989-8-28 3807 Riverside Peninsular Range, Vail Lake area, Temecula Creek at confluence w/ the lake & adjacent sedimentary hills to the east. 488 Comment
  CSUSB539  Raphanus sativus Rita Gibbons 1975-6-5 Riverside 1/2 mile north of Highway 60, on Heacock Ave., Sunnymead Comment
  UCR113732  Ratibida columnaris Mitch Provance 2000-7-30 2173 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR156289  Rhamnus crocea T. B. Salvato, Kent Beaman 2005-5-16 859 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
  UCR174052  Rhamnus crocea A. C. Sanders 2006-5-19 32446 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  CAS-BOT-BC56048  Rhamnus ilicifolia P. C. Everett 1935-6-18 7207 Riverside Santa Ana Mts., Coldwater Can. Trail, about 1 1/2 mi. below (No.) main divide motorway 1280 Comment
  JOTR33937  Rhamnus ilicifolia La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2827 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  POM17819  Rhamnus tomentella subsp. cuspidata P. A. Munz, D. D. Keck 1923-6-14 7081 Riverside Santiago peak, Santa Ana Mountains. 1616 Comment
  UC18580  Rhamnus tomentella subsp. cuspidata H. M. Hall 1901-6 2763 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  RSA802096  Rhododendron occidentale Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4983 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UC218160  Rhododendron occidentale P. A. Munz 1922-9-6 6383 Riverside North Fork Tahquitz Creek; San Jacinto Mountains, North Fork Tahquitz Creek 2209 Comment
  UCSB31577  Rhododendron occidentale Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  RSA69330A  Rhododendron occidentale var. californicum F. W. Peirson 843 Riverside Fruiting specimen from San Jacinto Mtns. Comment
  UCR169494  Rhus aromatica T. B. Salvato, John F. Green 2004-5-27 593 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
  RSA561081  Rhus integrifolia Steve Boyd, Orlando Mistretta 1992-4-22 7001 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  LA62865  Rhus ovata Elizabeth McClintock; 1939-12-28 sn Riverside San Timoteo Canyon Comment
  UCR117700  Rhus ovata Mitch Provance 1998-6-6 688 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
  JEPS66273  Rhus trilobata W. L. Jepson 1928-4-25 12571 a Riverside Cottonwood Spring; Colorado Desert 731 Comment
  RSA11581  Rhus trilobata var. anisophylla N. Dunn, A. M. Martin s.n. Riverside Cottonwood Springs. Comment
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Sep 11 2011
  RSA594511  Rhus trilobata var. pilosissima D. L. Banks, Dylan Hannon 1996-5-3 998 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9 487 Comment
  CAS-BOT-BC433101  Ribes Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain Comment
  RSA797244  Ribes cereum Robert F. Thorne, Walter Wisura 1977-9-17 50782 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  RSA162688  Ribes indecorum J. D. Olmsted 1960-2-15 1094 Riverside 100ft from highest point in Jurupa Hills, Santa Ana River. 686 Comment
  RSA3121  Ribes indecorum Carl B. Wolf 1932-2-11 2650 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  SEINET10923984  Ribes indecorum Greg Gust, Leith Nye 2005-3-12 Gust 553 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  RSA489177  Ribes indecorum B. Pitzer, A. C. Sanders 1987-4-21 492 Riverside Box Springs Mtns, near southernmost radio towers 793 Comment
  LA205625  Ribes nevadense Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  UC11633  Ribes nevadense H. M. Hall May 1899 Riverside Strawberry Valley San Jacinto Mountains Comment
  HSC73100  Romneya coulteri Robert A. Schlising 1973-6-25 3105 Riverside SW of Corona, deadend road 2.1 mi. SW of junction with Hwy. 71 Comment
  CSUSB1435  Rorippa nasturtium-aquaticum R. L. Irwin 1962-4-21 0033 Riverside By Dam at north west end of Lake Evans 243 Comment
  CAS-BOT-BC147542  Rosa californica Jenkins; Street 1917-5-30 1951 Riverside San Jacinto [Canon] Canyon Comment
  SD187470  Rosa californica Scott D. White, Angela Carey 2004-5-7 10334 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  CAS-BOT-BC147178  Rubus parviflorus J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San Jacinto Mtns. 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
  RSA596112  Rumex salicifolius var. salicifolius D. L. Banks 1996-11-7 1201 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, 150 m E of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 579 Comment
  RSA38271  Salazaria mexicana P. A. Munz 1946-10-20 11576 Riverside Palms to Pines Hwy, 11.5 miles south of Palm Springs to Indio Road. Comment
  CAS-BOT-BC129750  Salix bonplandiana Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-27 268 Riverside Andreas Cany, east slope San Jacinto Mts. 304 Comment
  CAS-BOT-BC103891  Salix exigua 1932-4-12 s.n. Riverside unspecified Comment
  CAS-BOT-BC103902  Salix exigua F. R. Fosberg 1932-3-13 8077 Riverside Thousand Palms Canyon, Choachella Valley Comment
  POM360995  Salix exigua M. B. Dunkle 1935-3-31 4437 Riverside Cottonwood Springs. Colorado Desert. 701 Comment
  RSA0010968  Salix exigua var. exigua F. M. Reed 1925-3-17 4952 Riverside Tahquitz Canyon - Palm Springs. Comment
  SDSU13350  Salix exigua var. hindsiana Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 29 Riverside Santa Margarita Ecological Reserve (SDSU). Near the center of the canyon, near the pipe line crossing. 239 Comment
  CAS-BOT-BC108119  Salix gooddingii Munz; Street; Williams 1919-3-26 2342 Riverside Fig Tree John's Spring, Salton Sea - Colorado Desert -45 Comment
  CAS-BOT-BC108146  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Lake Skinner area - Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn. 445 Comment
  SDSU13389  Salix gooddingii Joseph Verfaillie, Shasta Gaughen 2000-4-29 51 Riverside Santa Margarita Eclogical Reserve North side. The south side of the river just west of the the old pipeline crossing. 235 Comment
  POM319279  Salix lasiolepis Patricia Wilder 1972-2-18 5356 Riverside North side of Norco, along the Santa Ana River at the end of Pedley St. 229 Comment
  UCR159247  Salix lasiolepis A. C. Sanders, Kelly Volansky 2005-8-31 31574 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
  UCR169309  Salix lasiolepis T. B. Salvato, John F. Green 2004-5-27 594 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
  JEPS38361  Salix scouleriana W. L. Jepson 1903-8-6 2277 Riverside Dark Canyon San Jacinto Mt., Dark Canyon 1524 Comment
  UCR108734  Salsola australis Scott D. White, Pam DeVries 1998-2-9 6074 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing. 30 Comment
  RSA0094568  Saltugilia australis G. H. True 1935-3-19 131 Riverside 6 mi SE of Perris. Gully, rocky hillside. 488 Comment
  CAS-BOT-BC220732  Salvia H. A. Dutton 1898-6-12 s.n. Riverside Warm Spring Valley, Elsinore Comment
  CDA40955  Salvia apiana T. C. Fuller 1964-4-14 11829 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  SD48522  Salvia apiana E. K. Balls, P. C. Everett 1957-11-4 22748 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  UCR268587  Salvia apiana Jim Andre 2012-6-15 30543 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  RSA12907  Salvia carduacea Carl B. Wolf 1935-4-7 s.n. Riverside 5 mi west of Val Verde in the Gavilan region. 457 Comment
  UCR201000  Salvia carduacea Justin M. Wood, Scott D. White and Brandy Ulrich 2008-7-15 21 Riverside Aguanga Basin / San Jacinto Mountain foothills, W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation 1215 Comment
  UCR59499  Salvia carduacea Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3235 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  CLARK-A1528-592  Salvia columbariae Charlotte Stocks 1962-4-20 Riverside Whitewater Canyon Comment
  JEPS62684  Salvia columbariae L. M. Newlon 1922-4-3 431 Riverside 6 mi w Indian Wells (sw Colorado Desert); Colorado Desert Comment
  RSA776281  Salvia columbariae Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 883 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UCD125515  Salvia columbariae C. L. Hitchcock; C. V. Muhlick 1962-3-16 22156 Riverside Temescal Canyon, ca. 12 miles southeast of Corona. Comment
  UCR208348  Salvia columbariae O. F. Clarke 2004-3-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  UCR245255  Salvia columbariae Jim Andre 2012-3-19 21295 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  UCR252204  Salvia columbariae J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  UCR269919  Salvia columbariae Daphne K. Christopher, Hannah I. Stevens 2003-4-3 078 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  CHSC35477  Salvia eremostachya James Henrickson 1973-3-18 8612 Riverside Ca 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger, at N end of Coyote Canyon Road, on the first steep grade down the canyon. 792 Comment
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Nov 29 2014
  UCR18500  Salvia eremostachya Frank C. Vasek, O. F. Clarke 1966-4-4 s.n. Riverside Santa Rosa Mtns, Hwy 74 at Royal Carrizo Road, Deep Canyon drainage 917 Comment
  RSA0116962  Salvia eremostachya Donald Myrick 1968-3-4 1809 Riverside On Palms to Pines Hwy out of Palm Desert. 762 Comment
  RSA45227  Salvia greatae J. C. Roos 1949-3-19 4101 Riverside Salt Creek Wash, about 7 miles northeast of Dos Palmos Spring. Comment
  JOTR16870  Salvia leucophylla Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  RSA263765  Salvia leucophylla E. W. Lathrop 1967-4-14 6182 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. Comment
  RSA197847  Salvia mellifera Donald A. Johansen, J. A. Ewan 1932-4-10 7050 Riverside San Gorgonio Pass, Cabazon 488 Comment
  RSA601078  Salvia mellifera A. C. Sanders, J. Goetzen 1996-5-1 18132 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk., N of Banning. [UTM 10 km cell: NH-1E, 5N. Banning.] 792 Comment
  UC1124804  Salvia mellifera A. Lewis 1934-3-3 315 Riverside Tin Mine Canyon; Cleveland National Forest, Corona Quad. 609 Comment
  UCR124652  Salvia mellifera B. C. Templeton, I. W. Clokey 1930-4-9 1067 Riverside Moreno Badlands, Moreno Grade, west of Beaumont 600 Comment
  JOTR37448  Salvia mohavensis Hodges, Stephen, T. Green 2016-5-24 570 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; ascending up wash and slopes towards Mount Minerva Hoyt peak from the east (Stop 2). Comment
  CAS-BOT-BC233344  Salvia vaseyi Edmund C. Jaeger 1932-5-12 s.n. Riverside Dead Inidan Creek, west side of the Colorado Desert southwest of Indio Comment
  UC1281068  Salvia vaseyi H. E. McMinn 1935-6-27 4069 Riverside Palms to Pines Highway Comment
  UC511829  Salvia vaseyi Frank W. Peirson 1933-4-13 10635 Riverside road from Deep Canyon to Idyllwild 487 Comment
  RSA500135  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3675 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UC219560  Sambucus mexicana P. A. Munz 1922-6-24 5791 Riverside Pipe Creek San Jacinto Mts., Hemet Valley 1402 Comment
  UC889777  Sambucus mexicana P. A. Munz 1922-6-24 5791 Riverside Pipe Creek San Jacinto Mts., Hemet Valley 1402 Comment
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Mar 25 2011
  UCR37479  Sanicula arguta Steve Boyd 1981-3-16 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mtn. Comment
  SD152966  Sanicula bipinnatifida Steve Boyd, Tim Ross 1992-3-31 6770 Riverside Santa Ana Mountains; on Elsinore Peak. 1014 Comment
  RSA674919  Sanicula crassicaulis Scott D. White 2000-5-1 7737 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UCR34989  Sanicula tuberosa L. B. Ziegler 1970-5-14 403 Riverside San Jacinto Mtns, above Hemet Valley on flat top of Pleistocene alluvium 1585 Comment
  RSA740247  Schedonorus arundinaceus Scott D. White, Justin M. Wood 2008-7-9 12407 Riverside Johnson Meadow 1415 Comment
  CDA2418  Schismus arabicus G. D. Barbe 1984-2-7 4133 Riverside 2 miles northeast of Desert Center. 0 Comment
  SD127570  Schismus arabicus David Charlton 1988-2-18 1192 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, 5 mi. E of Jct Dillon Rd. and Fargo Cyn Rd. Comment
  RSA709897  Schismus barbatus Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4598 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  SEINET212652 Image available Schismus barbatus L. C. Higgins 1974-4-12 8487 Riverside 5 miles south of Morongo Valley on highway 62 Comment
  UCR97244  Schismus barbatus Scott D. White 1997-2-28 4719 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  RSA651615  Schismus barbatus Marion P. Harthill 1971-3-19 27 Riverside Palm Desert. Comment
  SEINET9766770 Image available Schoenoplectus americanus Richard Carter 2005-6-25 Riverside Temecula, vic. Via Montezuma crossing of Murrieta Creek, along east bank Murrieta Creek Comment
  RSA92140  Schoenoplectus americanus F. W. Peirson 1921-3-20 2848 Riverside Palm Canyon, Colorado Desert. 305 Comment
  RSA388424  Schoenoplectus californicus Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61188 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR277488  Schoenoplectus californicus Mitch Provance 2013-2-16 0213- 01 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  RSA289862  Schoenoplectus maritimus B. A. Prigge 1980-12-15 4114 Riverside Whitewater Marsh: 4 miles S of Mecca. -70 Comment
  RSA617994  Schoenoplectus saximontanus R. E. Riefner 1997-6-14 97 -191 Riverside Elsinore Trough, Wildomar. Comment
  RSA180426  Scirpus microcarpus E. W. Lathrop 1965-5-7 5715 -B Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  GMDRC6550  Scrophularia californica J. M. Andre 2012-6-15 30502 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  RSA160542  Scrophularia californica subsp. floribunda J. D. Olmsted 1959-6-25 681 Riverside San Jacinto Mtns., Strawberry Creek, NE of Idyllwild, Strawberry Creek in Fern Valley 1646 Comment
  RSA660913  Scrophularia californica subsp. floribunda Mitch Provance 1999-4-3 1752 Riverside SW side of ''Royal Hill'', 0.25 miles E of the corner of Victoria Ave. and Arlington Ave. 351 Comment
  UCR111550  Scrophularia californica subsp. floribunda Mitch Provance 1998-5-4 1713 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', above the Ormand Quarry, c. 1.5 km west of peak 1739 366 Comment
  RSA496729  Scrophularia californica subsp. floribunda B. Pitzer 1987-4-21 497 Riverside Box Springs Mtns, near southernmost radio towers 793 Comment
  SD51951  Scutellaria bolanderi subsp. austromontana Reid Moran 1962-7-7 9852 Riverside 2 miles SW of Idyllwild, in shade by Strawberry Creek 1550 Comment
  UC25773  Scutellaria siphocampyloides H. M. Hall Aug. 1896 334 Riverside San Jacinto Mountains 1828 Comment
  UCR20546  Scutellaria siphocampyloides W. W. Mayhew 1977-6-27 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCR123388  Searsia lancea Wendy Walters 2001-3-23 s.n. Riverside Western Colorado Desert, Coachella Valley, La Quinta at corner of Jefferson St. and Ave. 50 11 Comment
  CAS-BOT-BC69807  Selaginella bigelovii Ivan Johnston 1917-4-4 1044 Riverside Palm Canyon, Colorado Desert. 304 Comment
  RSA683696  Selaginella bigelovii Ora M. Clark 1929-2-23 1522 Riverside S Cabazon, San Jacinto Mtns. Comment
  SDSU7434  Selaginella bigelovii James C. Dice, T. Chung 1987-10-19 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 99 Comment
  UCSB72526  Selaginella bigelovii Moseley, Maynard 1954-4-10 Riverside Whitewater Canyon, floor of canyon, Colorado Desert, near Whitewater Comment
  UC279628  Selaginella watsonii E. C. Jaeger 1921-7-2 563 Riverside San Jacinto Peak 3293 Comment
  CAS-BOT-BC363482  Senecio californicus Steve Boyd 1986-5-1 1822 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner Comment
  CAS-BOT-BC363485  Senecio californicus Philip A. Munz No date on label 15663 Riverside Whitewater Canyon, 2 miles north of Indio - Banning boulevard Comment
  SEINET2054637 Image available Senecio californicus Dave Hawks 1986-4-16 Riverside Alta Mesa wind turbine field, on the ridge abvove Whitewater Canyon, W of Bonnie Berll. (Whitewater UTM 10 km cell: NH-N5, E3) Comment
  RSA0125051  Senecio californicus Henry J. Ramsey, Henry J. Ramsey 1959-4-22 s.n. Riverside Aguanga. Comment
  CAS-BOT-BC323988  Senecio flaccidus var. douglasii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9548 Riverside Cottonwood Springs Canyon. Comment
  RSA472989  Senecio flaccidus var. douglasii I. W. Clokey 1935-8-21 6777 Riverside Keen Camp P.O. 1350 Comment
  UC74096  Senecio flaccidus var. douglasii M. F. Gilman 1904-1 30 Riverside Banning , Southern California (Southern California) Comment
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Mar 21 2011
  UCR157770  Senecio flaccidus var. douglasii T. B. Salvato, A. C. Sanders 2005-5-17 905 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
  JEPS17286  Senecio triangularis Carl V. Meyer 1928-7-26 536 Riverside Deer Springs San Jacinto Mountains 2590 Comment
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Aug 30 2011
  UCR97666  Senecio vulgaris A. C. Sanders, G. Helmkamp 1997-3-15 19949 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  SD229142  Senegalia greggii Dick Schwenkmeyer 2013-6-11 920 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  RSA0031604  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009 -6 Riverside NW. San Jacinto Mtns., ne. of HW 243 ca. 16 highway km nw. of Idyllwild, in the s. unit of the San Bernardino National Forest, on sw. flank of Black Mtn. Just left (as ascending) of Black Mountain Trail in flat open area on the sloping plateau or saddle, just above the head of Hall Canyon. 2144 Comment
  UC472847  Sesuvium verrucosum M. F. Spencer 1922-3-25 51 Riverside Mecca, Colorado Desert Mecca; , Colorado Desert Comment
  UCR126421  Setaria adhaerens T. B. Salvato, A. C. Sanders 2000-4-27 63 Riverside Coachella Valley, between Filmore & Buchanan on Avenue 56 -12 Comment
  CDA2450  Setaria viridis A. C. Sanders 2004-8-1 28761 Riverside Perris-Aguanga Region; 3 miles ENE of Perris, new nursery growing grounds W of Menifee Rd. (=Pozos Av.) & S of Nuevo Rd., between San Jacinto River and Nuevo. Comment
  RSA0002000  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 6783 Riverside Santa Ana Mts., Elsinore Peak area south of Lake Elsinore, on Onion Hill, a grassy knoll about 0.5 miles southeast of Elsinore Peak on the crest of the range, north of the Main Divide Road. 1012 Comment
  UCR116849  Sidalcea malviflora A. C. Sanders, Steven R. Hill 2001-5-4 24143 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
  RSA507472  Sidalcea malviflora subsp. sparsifolia 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
  CAS-BOT-BC384455  Silene antirrhina John Thomas Howell 1931-5-30 6588 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  UCR137710  Silene gallica D. L. Banks 1997-3-29 1564 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  SDSU13644  Silene laciniata subsp. laciniata W. Miller, C. Mosse 1972-7-11 Riverside On path under oak east of rock slide (150 yards from road by dam). Comment
  UCSB42107  Silene laciniata subsp. laciniata Roos, John 1981-07 Riverside Sky Line Drive, south of Corona, Santa Ana Mtns. Comment
  POM17945  Silene laciniata subsp. major P. A. Munz 1923-6-14 7117 Riverside Glen Ivy Trail to Santiago Peak. 1159 Comment
  RSA65025  Silene multinervia F. W. Peirson 1925-5-20 6013 Riverside Burned area in chaparral, 1 mile northwest of Dripping Spring, W. Riverside Co. 457 Comment
  CAS-BOT-BC389581  Silene parishii Carl B. Wolf 1932-8-5 3981 Riverside San Jacinto Mts. Summit of San Jacinto Peak 3293 Comment
  POM281  Silene parishii var. viscida H. M. Hall 1901-07 4688 Riverside Fuller s Mills Mt. 2195 Comment
  POM12078  Silene verecunda subsp. platyota Mary F. Spencer 1921-7-9 1607 Riverside Tahquitz trail, Idyllwild. San Jacinto Mountains. 1829 Comment
  POM12657  Silene verecunda subsp. platyota P. A. Munz 1922-9-7 6401 Riverside Tamarack Valley 2805 Comment
  UC8492  Silene verecunda subsp. platyota H. M. Hall June, 1901 2215 Riverside Onstatt's Valley; San Jacinto Mountains, Onstatt's Valley 1524 Comment
  UCR114580  Silybum marianum A. C. Sanders, K. C. Rose 1999-6-18 22805 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  JOTR34296  Simmondsia chinensis Andre, Jim 2012-4-11 20706 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  SEINET10389797  Simmondsia chinensis A. C. Sanders, Jim Malusa 2015-3-9 41360 Riverside Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  SEINET3563011 Image available Sisymbrium altissimum Ricardo Montijo 1990-4-27 Riverside Rancho California area: E of Santa Rosa Plateau, Green Meadow Road off of de Portoloa Road. (Sage 7.5' USGS quad.) Comment