33.91600 34.01600 -117.48000 -117.38000 UC/JEPS: Consortium Search Results
Search Results — 1725 specimen records retrieved (1725 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/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
  RSA683199  Acacia baileyana Scott D. White 2003-12-1 9894 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  UCR149393  Acacia baileyana Scott D. White 2003-12-1 9894 Riverside Santa Ana River Valley; city of Riverside; La Sierra area 244 Comment
  RSA717495  Acer negundo A. C. Sanders, O. F. Clarke 1991-6-10 11122 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR132710  Acer negundo A. C. Sanders, O. F. Clarke 1991-6-10 11122 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR18592  Acer negundo John C. Roos 1952-6-25 5790 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  CLARK-A1528-1375  Acer negundo subsp. californicum John C. Roos 1952-6-25 5790 Riverside Fairmont Park Comment
  RSA85573  Achnatherum speciosum J. C. Roos 1952-4-9 5495 Riverside SW face Mountain Rubidoux. 366 Comment
  CAS-BOT-BC29261  Acroptilon repens A. C. Sanders; Seok Ku Hong 2003-1-22 25669 Riverside San Bernardino Valley Region, Riverside, Arlington area, Doolittle Ave, 0.1-1.0 km NW of Van Buren Blvd 226 Comment
  CDA6752  Acroptilon repens Steve Boyd 1989-7-6 3758 Riverside South of Jurupa Road, east of intersection with Van Buren Avenue, City of Riverside. 0 Comment
  UCD128573  Acroptilon repens J. C. Roos 1951-10-24 5335 Riverside Between Arlington and Pedley. 228 Comment
  UCR2131  Agrostis viridis F. M. Reed 1903-6-5 171 Riverside South Coast; San Bernardino Valley, Riverside, wet ground at outlet of lake in Fairmont Park 238 Comment
  UCR162540  Albizia julibrissin Michael D. Wilcox 2005-7-28 s.n. Riverside Upper Santa Ana River Basin, Riverside, east of Mt. Rubidoux, 4737 Indian Hill Road off Mission and adjacent to Santa Ana River 244 Comment
  CAS-BOT-BC475411  Allium praecox Mrs. Wilder 1905-4-1 s.n. Riverside Riverside, Calif. Comment
  CAS-BOT-BC475412  Allium praecox Mrs. Wilder 1905-4-1 s.n. Riverside Riverside, Calif. Comment
  CAS-BOT-BC475413  Allium praecox Mrs. Wilder 1905-4-1 s.n. Riverside Riverside, Calif. Comment
  POM123076  Allium praecox Wilder 1905-04 s.n. Riverside Riverside. Comment
  UCR129910  Allium praecox Mrs. C. M. Wilder 1905-1 s.n. Riverside Riverside 915 Comment
  UCR2921  Allium praecox Nancy Atha 1963-3-3 3363- 01 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, north side of [Quarry Hill] at the corner of Madison St. and Victoria Ave. 274 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
  RSA715374  Allium subhirsutum A. C. Sanders 1998-4-12 21752 Riverside yard of residence at 5081 Magnolia Ave, corner of Chapman Pl. 256 Comment
Read comments
May 25 2010
  UCR112388  Allium subhirsutum A. C. Sanders 1998-4-12 21752 Riverside Riverside, yard of residence at 5081 Magnolia Ave, corner of Chapman Pl. 256 Comment
  CLARK-A1528-2277  Alnus rhombifolia John C. Roos 1951-9-25 5298 Riverside Riverside 259 Comment
  CLARK-A1528-316  Alnus rhombifolia John C. Roos 1951-9-25 5298 Riverside Riverside 259 Comment
  CAS-BOT-BC516262  Alternanthera caracasana Mitch Provance 2013-6-18 613 -30 Riverside Santa Ana River Valley: Riverside, Arlanza area, Terrace Middle School on Rutland Ave. 227 Comment
  SD248310  Alternanthera caracasana Oscar Avila 2015-8-6 Riverside Riverside: Ryan Bonaminio Park, Tequesquite Arroyo below old Chinatown and just above confluence with Santa Ana River, along Tequesquite Avenue, south of Mt. Rubidoux (Riverside West 7.5'Q) 227 Comment
  SD254518  Alternanthera caracasana Mitch Provance 2013-6-18 613 30 Riverside Santa Ana River Valley: Riverside, Arlanza area, Terrace Middle School on Rutland Ave. (Riverside West 7.5'Q) 227 Comment
  UCR263410  Alternanthera caracasana Oscar Avila 2015-8-6 s.n. Riverside Riverside: Ryan Bonaminio Park, Tequesquite Arroyo below old Chinatown and just above confluence with Santa Ana River, along Tequesquite Avenue, south of Mt. Rubidoux 228 Comment
  UCR263411  Alternanthera caracasana Oscar Avila 2015-8-4 s.n. Riverside Riverside: Ryan Bonaminio Park, Tequesquite Arroyo below old Chinatown and just above confluence with Santa Ana River, along Tequesquite Avenue, south of Mt. Rubidoux 228 Comment
  UCR272496  Alternanthera caracasana Mitch Provance 2013-6-18 613- 30 Riverside Santa Ana River Valley, Riverside, Arlanza area, Terrace Middle School on Rutland Ave. 227 Comment
  SBBG104654  Amaranthus albus M. A. Patten 1992-5-27 92 -19 San Bernardino portion of Green River Golf Club; T3S, R8W, S 25/36 152 Comment
  UCR21773  Amaranthus caudatus S. Day 1980-9-4 s.n. Riverside private residence in Riverside Comment
  CDA3239  Amaranthus cruentus A. C. Sanders 2002-1-14 24890 Riverside Upper Santa Ana River/San Bernardino Valley Region; Riverside, east side of Streeter Ave. just S of Scott Ave., between Arlington and Central Aves. Comment
  UCR119445  Amaranthus cruentus A. C. Sanders 2002-1-14 24890 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, east side of Streeter Ave. just south of Scott Ave., between Arlington and Central Aves. 238 Comment
  UCR272486  Amaranthus deflexus Mitch Provance 2013-6-16 613- 18 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  RSA652939  Amaranthus palmeri Mitch Provance 1998-9-5 1028 Riverside City of Riverside: Hillside area, along the S side of Dewey St., between Streeter Ave. and Palm Ave. 237 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
  UCR113869  Amaranthus palmeri Mitch Provance 1998-9-5 1028 Riverside City of Riverside, Hillside area, along the south side of Dewey St., between Streeter Ave. and Palm Ave. 238 Comment
  UCR21016  Amaranthus palmeri C. Elenz 1979-10-27 s.n. Riverside Private residence in Riverside Comment
  UC56557  Amaranthus powellii H. M. Hall Aug 1901 Riverside vicinity of Riverside Southern California 304 Comment
  CLARK-A1528-1405  Amaranthus retroflexus John C. Roos 1965-8-4 Riverside Arlington Comment
  JEPS54324  Amaranthus retroflexus M. and J. Lesley Oct 1929 Riverside Riverside Comment
  UCSB59695  Amaranthus retroflexus Roos, John 1965-8-4 Riverside Arlington Comment
  CLARK-A1528-145  Ambrosia acanthicarpa Fred B. Essig 1966-9-12 Riverside Riverside Comment
  UCR113600  Ambrosia acanthicarpa A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23675 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
  UCR239599  Ambrosia acanthicarpa O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  POM10301  Ambrosia psilostachya Anonymous 1903-10-19 385 Riverside Old stewart Ranch. West Riverside Comment
Read comments
Apr 7 2011
  UC468989  Ambrosia psilostachya R. L. Pendleton 1905-9-28 254 Riverside bottom Santa Ana River 243 Comment
  UC54139  Ambrosia psilostachya H. M. Hall 1901-8-1 Riverside vicinity of Riverside 304 Comment
  UCR182537  Ambrosia psilostachya Mitch Provance 2003-7-4 4639 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives 226 Comment
  RSA446717  Ammannia coccinea C. M. Dammers 1933-11-20 s.n. Riverside Irrigation ditch, Riverside Comment
Read comments
Oct 31 2011
  RSA522319  Ammannia coccinea Steve Boyd 1989-7-23 3789 Riverside City of Riverside, Santa Ana River, just downstream of old city dump at W extension of Rubidoux Avenue. Comment
  RSA7751  Ammannia coccinea C. M. Dammers 1933-12-4 s.n. Riverside Growing wild in center of city of Riverside Comment
Read comments
Nov 23 2010
  UCR277746  Ammannia coccinea Mitch Provance 2011-7-29 17035 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  UCR93228  Ammannia robusta A. C. Sanders 1994-7-26 15149 Riverside Santa Ana River at the Mission Blvd/7th street Bridge, W foot of Mt. Rubidoux 240 Comment
  UC123741  Amorpha fruticosa Fred M. Reed 1904-6-12 599 Riverside above Chinatown ford; Santa Ana River Comment
  UCR162542  Amorpha fruticosa Michael D. Wilcox 2005-7-28 s.n. Riverside Upper Santa Ana River Basin, Riverside, east of Mt. Rubidoux, 4737 Indian Hill Road off Mission and adjacent to Santa Ana River 244 Comment
  UCR19436  Amorpha fruticosa C. S. Papp 1963-6-29 311 Riverside Riverside, Santa Ana River bed Comment
  UCR209168  Amorpha fruticosa var. occidentalis A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37159 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  CLARK-A1528-970  Amsinckia menziesii Patricia A. Andrews 1975-3-13 5902 Riverside Rubidoux Comment
  RSA0086465  Amsinckia retrorsa Mitch Provance 2013-4-8 413 -12 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave. 226 Comment
  UCR265021  Amsinckia retrorsa Mitch Provance 2013-4-8 413- 12 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR113978  Anagallis arvensis Mitch Provance 2000-6-24 2047 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CSUSB802  Anemopsis californica Leland R. Dykes 1962-5-13 107 Riverside Santa Ana River Santa Ana River bottom, near Rubidoux Ave, in (city of) Riverside. Comment
  SEINET13276758 Image available Anemopsis californica Mitch Provance 2012-1 196 -04 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave (Riverside 7.5' Q.) 226 Comment
  SEINET3074906 Image available Anemopsis californica Margaret Ferro 1970-5-16 18 Riverside Santa Ana River bottom by Jurupa Golf Course. 370 Comment
  UCR264632  Anemopsis californica Mitch Provance 2012-6-19 196- 04 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  UCR944  Anemopsis californica Robert A. Hawthorne 1957-5-1 s.n. Riverside Riverside, west side of Lake Evans 244 Comment
  CLARK-A1528-148  Anthemis cotula Fred B. Essig 1967-6-22 Riverside Riverside Comment
  UCR207815  Anthriscus caucalis O. F. Clarke 2004-4-14 s.n. Riverside San Bernardino Valley Region, Riverside, west side of Santa Ana River opposite the south end of Mt. Rubidoux, SE of Flabob Airport, south of bend in Crestmore Rd. and 2 mi. south of Mission Blvd., east of Co. Parks Hqtrs. 229 Comment
  UCR278899  Antirrhinum majus Mitch Provance 2011-7-3 17191 Riverside Santa Ana River Valley, Rubidoux, west corner of Rubidoux Blvd. and 28th St. 259 Comment
  SD227898  Antirrhinum nuttallianum A. C. Sanders 1994-5-15 14492 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River. 399 Comment
  UCR117339  Antirrhinum nuttallianum Mitch Provance 1998-3-22 255 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR83328  Antirrhinum nuttallianum A. C. Sanders 1994-5-15 14492 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UC26372  Antirrhinum nuttallianum subsp. nuttallianum Geo. R. Hall 1901-3-30 1709 Riverside near Riverside Comment
  CLARK-A1528-1421  Apiastrum angustifolium John C. Roos 1952-4-9 5503 Riverside Riverside 396 Comment
  CLARK-A1528-136  Apium graveolens Margaret Ferro 1970-5-16 19 Riverside Jurupa 365 Comment
  OBI40191  Apium graveolens S. Cantrell & W. Appleby, W. Appleby 1985-9-19 s.n. Riverside Santa Ana River Regional park, Riverside. S side of river (R5W, T2S, SW 1/4 sec 30) 207 Comment
  UCR113850  Apium graveolens Mitch Provance 2000-6-24 2054 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR1593  Apium graveolens R. L. Needham 1962-5-8 10043 Riverside Riverside, base of spillway at WNW corner of Lake Evans [Fairmont Park] 245 Comment
  UCR207607  Apium graveolens O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  CSUSB63  Apium leptophyllum Debbie Vigneault 1974-7-8 s.n. Riverside Santa Ana River Santa Ana River bottom, near Van Buren Blvd. 259 Comment
  UC455476  Apocynum cannabinum F. M. Reed Riverside Riverside Comment
  CDA5527  Araujia sericifera P. Arnaud 1958-6-21 626 -58 Riverside Riverside. 0 Comment
  POM13939  Arctium lappa F. M. Reed 1907-6-23 1435 Riverside Old field above West Riverside Road above bridge. Comment
  CSUSB1035  Argemone munita Richard L. Irwin 1962-4-21 41 Riverside In river bottom ca 1/4 mile Sw. of the Mission Blvd. (U.S. Hwy. 60) bridge over the Santa Ana River. 243 Comment
  CLARK-A1528-4463  Aristida adscensionis John C. Roos 1952-4-9 5508 Riverside Mount Rubidoux 365 Comment
  CLARK-A1528-4464  Aristida adscensionis John C. Roos 1952-4-9 5508 Riverside Mt. Rubidoux 365 Comment
  UCR20454  Aristida adscensionis John C. Roos 1952-4-9 5508 Riverside Riverside, east face of Mt. Rubidoux 366 Comment
  RSA85441  Aristida adscensionis var. modesta J. C. Roos 1952-4-9 5508 Riverside SW face Mountain Rubidoux. 366 Comment
  LA206320  Aristida purpurea F. M. Reed; 1906-7-8 1129 Riverside W of Pedley Station on Salt Lake, Vicinity Comment
  UCD56515  Aristida purpurea P. B. Kennedy 1921-10-28 s.n. Riverside Mt. Rubidoux. Comment
  UCR2173  Aristida purpurea var. purpurea F. M. Reed 1906-7-8 1129 Riverside Plains near the Salt Lake RR, West Riverside Comment
  RSA613711  Artemisia annua G. R. Ballmer 1997-11-22 s.n. Riverside Riverside. Volunteer in yard at 8538 Hickory Lane. Comment
Read comments
Jul 14 2012
  RSA725813  Artemisia annua Eula F. Moore 1996-10-1 s.n. Riverside Riverside, 4291 Alta Vista Dr. 259 Comment
  SD236172  Artemisia annua Eula F. Moore 1996-10-1 Riverside Riverside, weed at residence at 4291 Alta Vista Dr. 259 Comment
  UC1931001  Artemisia annua Eula F. Moore 1996-10-1 s.n. Riverside Riverside at 4291 Alta Vista Dr. Comment
  UCR176585  Artemisia annua Eula F. Moore 1996-10-1 s.n. Riverside Riverside, weed at residence at 4291 Alta Vista Dr. 259 Comment
  CLARK-A1528-152  Artemisia californica John C. Roos 1951-10-27 5347 Riverside Riverside 304 Comment
  CLARK-A1528-1559  Artemisia californica John C. Roos 1951-10-27 5347 Riverside Riverside 304 Comment
  CLARK-A1528-153  Artemisia douglasiana Fred B. Essig 1966-9-12 Riverside Riverside Comment
  CLARK-A1528-154  Artemisia douglasiana John C. Roos 1951-9-25 5281 Riverside Riverside 259 Comment
  POM10300  Artemisia douglasiana Anonymous 1904-9-9 s.n. Riverside Near West Riverside Bridge Comment
Read comments
Jul 4 2010
  POM320341  Artemisia douglasiana Patricia Wilder 1971-11-11 5301 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 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
  UCR114009  Artemisia douglasiana Mitch Provance 2000-6-24 2053 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR114341  Artemisia douglasiana Mitch Provance, S. D. 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
  UCR67004  Artemisia douglasiana S. J. Myers 1990-12-10 s.n. Riverside Santa Ana River Valley, Louis Rubidoux Nature Center: along the drainage that connects to the Sunnyslope channel and to the confluence with the Santa Ana River 214 Comment
  UCR92410  Artemisia douglasiana F. M. Reed 1933-8-13 8011 Riverside South Coast; San Bernardino Valley, Riverside, Fairmont Park 245 Comment
  UC129480  Artemisia ludoviciana subsp. incompta H. M. Hall 1907-7-2 8006 Riverside vicinity of Riverside; Santa Ana River bottoms 274 Comment
  UC449647  Artemisia palmeri F. M. Reed 1905-9-28 Riverside Santa Ana River bottom 243 Comment
Read comments
Sep 10 2008
  SEINET270102  Arundo donax Miles Fellows 1984-9-25 Riverside Santa Ana river bed just north of Riverside Comment
  UCR149415  Arundo donax S. J. Myers 1996-6-6 s.n. Riverside Santa Ana River Valley, Santa Ana River, c. 0.5 mi west of Rubidoux Nature Center Comment
  CLARK-A1528-1463  Asclepias fascicularis John C. Roos 1941-10-24 5333 Riverside Riverside 228 Comment
  UCR125206  Asclepias fascicularis Mitch Provance 1998-5-27 543 Riverside City of Riverside, Hillside area, along railroad tracks on the NW corner of Dewey St. and Streeter Ave. 238 Comment
  UCR182539  Asclepias fascicularis Mitch Provance 2003-7-4 4636 Riverside San Bernardino Valley, Riverside, Along Jackson St., between Audrey and Colorado Aves. 226 Comment
  UCR278882  Asclepias fascicularis Mitch Provance 2011-6-9 17197 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  CLARK-A1528-124  Asclepias mexicana John C. Roos 1951-10-24 5333 Riverside Riverside 228 Comment
  CAS-BOT-BC334249  Asparagus asparagoides A. C. Sanders 2010-5-29 38428 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place. 258 Comment
  RSA0035702  Asparagus asparagoides A. C. Sanders 2010-5-29 38428 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place 258 Comment
  SD241649  Asparagus asparagoides A. C. Sanders 2010-5-29 38428 Riverside Riverside, yard at 5081 Magnolia Ave; at corner of Chapman Place (Riverside West 7.5'Q) 257 Comment
  UCR241796  Asparagus asparagoides A. C. Sanders 2010-5-29 38428 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place 258 Comment
  CLARK-A1528-6  Asparagus officinalis John C. Roos 1951-10-24 5343 Riverside Pedley 243 Comment
  RSA0086466  Asparagus officinalis Mitch Provance 2013-4-8 413 -13 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave. 226 Comment
  SEINET13276755 Image available Asparagus officinalis Mitch Provance 2012-1 196 -08 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave (Riverside 7.5' Q.) 226 Comment
  UCR264607  Asparagus officinalis Mitch Provance 2012-6-19 196- 08 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  UCR265020  Asparagus officinalis Mitch Provance 2013-4-8 413- 13 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA85574  Aspidotis californica J. C. Roos 1952-4-9 5499 Riverside north side of Mt. Rubidoux 381 Comment
  UCR19474  Aspidotis californica John C. Roos 1952-4-9 5499 Riverside San Bernardino Basin Region, Riverside, north side of Mount Rubidoux 381 Comment
Read comments
May 21 2011
  CLARK-A1528-158  Aster exilis John C. Roos 1951-9-25 5275 Riverside Riverside 259 Comment
  CLARK-A1528-159  Aster hesperius John C. Roos 1951-9-25 5258 Riverside Riverside 259 Comment
  CLARK-A1528-1610  Aster hesperius John C. Roos 1951-9-25 5258 Riverside Fairmont Park 259 Comment
  UCR277761  Aster subulatus Mitch Provance 2012-11-10 1112- 03 Riverside San Bernardino Valley, Riverside, Santa Ana River, Fairmont Park, N side of Lake Evans, adjacent to the bike path on the N side of Dexter Dr., just W of the American Legion and the historic Boy Scouts Camp. 241 Comment
  POM4751  Aster subulatus var. ligulatus Geo. R. Hall 1905-9-3 s.n. Riverside Riverside Comment
  POM4794  Aster subulatus var. ligulatus Geo. R. Hall 1905-09 s.n. Riverside Riverside Comment
  POM57861  Aster subulatus var. ligulatus Geo. R. Hall 1905-09 280 Riverside Riverside Comment
  CLARK-A1528-2737  Astragalus didymocarpus John C. Roos 1952-4-9 5484 Riverside Fairmount Park 259 Comment
  SD260245  Astragalus didymocarpus Mitch Provance 2013-2-16 213 1 Riverside Santa Ana River Valley: Riverside, Arlanza area, W side of Hole Lake and adjacent mesa (Riverside West 7.5'Q) 226 Comment
  UC63400  Astragalus didymocarpus H. M. Hall 1904-5-19 4951 Riverside vicinity Riverside (Fairmount Park); vicinity of Riverside, Fairmount Park 243 Comment
  UCR272508  Astragalus didymocarpus Mitch Provance 2013-2-16 213- 01 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  POM278724  Atriplex canescens Grant D. Brown 1950-12-2 593 Riverside Santa Ana River NW of Arlington 198 Comment
  SEINET238486  Atriplex canescens A. C. Sanders, Mitch Provance 2000-9-27 23673 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux NW of intersection of Tequesquite Ave. and Gregory Rd. near confluenc 232 Comment
  SEINET3930583  Atriplex canescens Grant D. Brown 1950-12-2 594 Riverside Santa Ana River NW of Arlington.; 0 198 Comment
  SEINET3930589  Atriplex canescens R. L. Piemeisel 1913-9-19 3655 Riverside W. Riverside.; 0 Comment
  SEINET3930599  Atriplex canescens Grant D. Brown 1950-12-2 593 Riverside Santa Ana R. NW. of Arlington.; 0 Comment
  UCR113603  Atriplex canescens A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23673 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
  CLARK-A1528-399  Atriplex patula subsp. hastata John C. Roos, Lucille Roos 1951-10-24 5339 Riverside Pedley 228 Comment
  CLARK-A1528-5398  Atriplex patula subsp. hastata John C. Roos, Lucille Roos 1951-10-24 5339 Riverside Pedley 228 Comment
  RSA653203  Atriplex prostrata Mitch Provance, Steve 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
  SBBG119922  Atriplex prostrata O. F. Clarke 1970-9-24 Riverside Santa Ana River bottom just E of the old Salt Lake Railroad bridge 216 Comment
  UCD97620  Atriplex prostrata O. F. Clarke 1970-9-24 s.n. Riverside Riverside, Santa Ana River bottom, just E of the old Salt Lake R.R. Bridge. 216 Comment
  CLARK-A1528-4995  Atriplex rosea John C. Roos 1965-8-4 Riverside Arlington Comment
  UCR18901  Atriplex rosea John C. Roos 1965-8-4 s.n. Riverside San Bernardino Valley, Arlington area, Riverside Comment
  CDA2929  Atriplex semibaccata Steve Boyd 1989-7-9 3786 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  CLARK-A1528-401  Atriplex semibaccata John C. Roos 1951-9-25 5278 Riverside Riverside 259 Comment
  SEINET13297607 Image available Atriplex semibaccata Mitch Provance 2013-1 613 -22 Riverside Santa Ana River Valley: City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren (Riverside West 7.5' Q.) 226 Comment
  UCR272489  Atriplex semibaccata Mitch Provance 2013-6-16 613- 22 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  UCR281879  Atriplex semibaccata Mitch Provance 2012-11-9 1112- 17 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  RSA653502  Atriplex serenana A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23681 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river., 33 deg 58'30''N, 117 deg 24'10''W 232 Comment
  SD146325  Atriplex serenana A. C. Sanders, Mitch Provance, and B. Pitzer 2000-9-27 23681 Riverside Santa Ana River Valley: Southwest side of Mt. Rubidoux, northwest of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arrq 231 Comment
  UCR113601  Atriplex serenana A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23681 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
  CAS-BOT-BC176761  Atriplex serenana var. serenana A. C. Sanders; Mitch Provance; B. Pitzer 2000-9-27 23681 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tesquesquite and the river 232 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
  UCR182538  Atriplex serenana var. serenana Mitch Provance 2003-7-3 4638 Riverside San Bernardino Valley, Riverside, the NE part of Lionshead (Challen Hill), 0.4 km due west of the corner of California Av. and Van Buren Blvd. 238 Comment
  UCR182541  Atriplex suberecta Mitch Provance 2003-7-4 4642 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives 226 Comment
  UCR272488  Atriplex suberecta Mitch Provance 2013-6-16 613- 20 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  POM319732  Atriplex subspicata Patricia Wilder 1971-11-11 5291 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 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
  UCR281872  Atriplex triangularis Mitch Provance 2012-11-9 1112- 19 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  UCR41434  Atriplex triangularis Scott Cantrell, W. Appleby 1985-9-19 s.n. Riverside Santa Ana River Regional Park. south side of the river 207 Comment
  UCR4328  Atriplex triangularis O. F. Clarke 1970-9-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom just east of the old Salt Lake RR Bridge 216 Comment
  CLARK-A1528-4493  Avena barbata John C. Roos 1952-2-18 5353 Riverside Riverside 274 Comment
  CLARK-A1528-4495  Avena fatua John C. Roos 1952-4-9 5472 Riverside Riverside 274 Comment
  CLARK-A1528-4497  Avena fatua John C. Roos 1952-4-9 5472 Riverside Riverside 274 Comment
  CSUSB422  Avena fatua D. L. Heald 1966-4-5 Riverside In the front yard of D.L. Heald's residence in Arlington. 304 Comment
  UCR277758  Azolla filiculoides Mitch Provance 2011-7-29 17040 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  CLARK-A1528-164  Baccharis douglasii John C. Roos 1951-9-25 5284 Riverside Riverside 259 Comment
  CLARK-A1528-1621  Baccharis emoryi John C. Roos 1951-9-25 5285 Riverside Fairmont Park 259 Comment
  CLARK-A1528-1622  Baccharis emoryi John C. Roos 1937-9-12 Riverside Santa Ana River Comment
  CLARK-A1528-1625  Baccharis emoryi John C. Roos 1937-9-12 Riverside Santa Ana River Comment
  CLARK-A1528-165  Baccharis emoryi John C. Roos 1951-9-25 5285 Riverside Riverside 259 Comment
  POM319735  Baccharis emoryi Patricia Wilder 1971-11-11 5306 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  POM320337  Baccharis emoryi Patricia Wilder 1971-11-11 5304 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  POM350337  Baccharis emoryi Lester H. Cushman 1931-11-1 14223 Riverside Near Pedley, Santa Ana River Comment
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Dec 4 2011
  CLARK-A1528-1638  Baccharis glutinosa John C. Roos 1951-10-24 5346 Riverside Santa Ana River 259 Comment
  CLARK-A1528-166  Baccharis glutinosa John C. Roos 1951-10-24 5346 Riverside Riverside 259 Comment
  SD146042  Baccharis glutinosa Mitch Provance, S. D. Boyd 1999-9-14 1784 Riverside Riverside; riverbottom along Spring Brllk between Lake Evans and the Santa Ana River at the Mission Bridge. 238 Comment
  UC63262  Baccharis glutinosa H. M. Hall 1904-5-1 4953 Riverside vicinity of Riverside; Santa Ana River 243 Comment
  UCR115938  Baccharis glutinosa Mitch Provance, S. D. Boyd 1999-9-14 1784 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
  UCR120288  Baccharis glutinosa A. C. Sanders, T. B. Salvato, Ba Tran 1999-8-12 23024 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
  CAS-BOT-BC106735  Baccharis salicifolia T. Winfield 1975-4-17 2407 Riverside Santa Ana R. near Fairmont Park Comment
  POM10241  Baccharis salicifolia E. L. Koethen 1897-1 30 Riverside Riverside Comment
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Nov 21 2015
  UCR113604  Baccharis salicifolia A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23672 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
  UC30368  Baccharis salicifolia subsp. salicifolia E. L. Koethern 1897-10-20 Riverside west Riverside Comment
  UC30364  Baccharis salicina E. G. Koethen 1897-10-16 Riverside West Riverside Comment
  UCR182504  Baccharis salicina Mitch Provance 2003-7-4 4635 B Riverside San Bernardino Valley, Riverside, Along Jackson St., between Audrey and Colorado Aves. 226 Comment
  UCR281881  Baccharis salicina Mitch Provance 2012-11-9 1112- 14 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  UCR282051  Baccharis salicina Mitch Provance 2012-11-9 1112- 15 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  UCR67005  Baccharis salicina S. J. Myers 1990-12-10 s.n. Riverside Santa Ana River Valley, Louis Rubidoux Nature Center: along the drainage that connects to the Sunnyslope channel and to the confluence with the Santa Ana River 214 Comment
  UC1118927  Baccharis sarothroides R. St. John 1931-1-20 174 Riverside Mt. Rubidoux Elsinore Quad., Santa Ana River 274 Comment
  UC68873  Bebbia juncea var. aspera S. Grout 1903-7-1 Riverside Rubidoux Mt. Comment
  CDA6861  Bellis perennis J. E. Davis 1959-8-31 2998 Riverside 3893 Larchwood Place, Riverside. 0 Comment
  UCR10170  Berula erecta O. F. Clarke 1970-7-4 s.n. Riverside Santa Ana River Valley, Santa Ana River bottom, just east of old Salt Lake River railroad bridge Comment
  UCR109733  Berula erecta R. E. Orth 1963-3-8 s.n. Riverside Riverside, Santa Ana River 213 Comment
  UCR92654  Berula erecta F. M. Reed 1933-8-13 8012 Riverside South Coast; San Bernardino Valley, Riverside, Fairmont Park 245 Comment
  CLARK-A1528-404  Beta vulgaris John C. Roos 1951-10-24 5334 Riverside Riverside 228 Comment
  UCD169505  Beta vulgaris Mitch Provance 2003-7-4 4640 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives. 226 Comment
  UCR182536  Beta vulgaris Mitch Provance 2003-7-4 4640 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives 226 Comment
  CLARK-A1528-1652  Bidens frondosa John C. Roos 1951-9-25 5265 Riverside Riverside 259 Comment
  CLARK-A1528-171  Bidens frondosa John C. Roos 1951-9-25 5265 Riverside Riverside 259 Comment
  CLARK-A1528-5452  Bidens frondosa John C. Roos 1951-9-25 5265 Riverside Riverside 259 Comment
  RSA69817  Bidens frondosa J. C. Roos 1951-9-25 5265 Riverside Fairmount Park 259 Comment
  SEINET272195  Bidens frondosa A. C. Sanders, S. Ogg 1994-7-28 15180 Riverside Riverside: Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge. 243 Comment
  UCR114010  Bidens frondosa Mitch Provance 2000-6-24 2052 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR239929  Bidens frondosa O. F. Clarke 2004-7-5 s.n. Riverside Louis Rubidoux Nature Center at RR bridge, Santa Ana River near Riverside 155 Comment
  UCR93062  Bidens frondosa A. C. Sanders, S. Ogg 1994-7-28 15180 Riverside Riverside, Santa Ana River near Hwy 60 243 Comment
  CAS-BOT-BC102026  Bidens laevis A. C. Sanders; Mitch Provance; B. Pitzer 2000-9-27 23679 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
  CAS-BOT-BC140664  Bidens laevis Oleg Pryadko 2008-5-2 058 Riverside San Bernardino Valley Region: western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  CLARK-A1528-172  Bidens laevis John C. Roos 1951-9-25 5266 Riverside Riverside 259 Comment
  POM4976  Bidens laevis Geo. R. Hall 1905-1 s.n. Riverside Riverside Comment
  RSA549248  Bidens laevis A. C. Sanders 1991-10-5 11739 Riverside Riverside, Fairmount Park. Along Spring Brook between Lake Evans and the Santa Ana River, ca. 50-100 m below the lake. Comment
  RSA653500  Bidens laevis A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23679 Riverside SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
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Apr 23 2011
  SBBG81103  Bidens laevis S. Cantrell, W. Appleby 1985-9-19 Riverside Santa Ana River Regional Park, Riverside, S side of river; T2S, R5W SW 1/4 S30 207 Comment
  SD146038  Bidens laevis A. C. Sanders, Mitch Provance, and B. Pitzer 2000-9-27 23679 Riverside Santa Ana River Valley; southwest side of Mt. Rubidoux, northwest of intersection ot Tequesquite Ave. and Gregory Road. 231 Comment
  UC128992  Bidens laevis Geo. R. Hall 1905-1 Riverside Riverside Comment
  UC30574  Bidens laevis E. L. Koethen 1897-10-16 Riverside Riverside Comment
  UCD129555  Bidens laevis Steve Myers 1990-12-10 s.n. Riverside Louis Rubidoux Nature Center: along the drainage that connects to the Sunnyslope Channel and to the confluence with the Santa Ana River. 213 Comment
  UCR113587  Bidens laevis A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23679 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
  UCR216037  Bidens laevis Oleg Pryadko 2008-5-2 058 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR239927  Bidens laevis O. F. Clarke 2004-6-20 s.n. Riverside Santa Ana River near Riverside 244 Comment
  UCR34876  Bidens laevis L. B. Ziegler 1966-11-24 105 Riverside Santa Ana River 252 Comment
  UCR66985  Bidens laevis S. J. Myers 1990-12-10 s.n. Riverside Santa Ana River Valley, Louis Rubidoux Nature Center: along the drainage that connects to the Sunnyslope channel and to the confluence with the Santa Ana River 214 Comment
  UCR71617  Bidens laevis A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11739 Riverside Fairmont Park, along Spring Brook between Lake Evans & the Santa Ana River, Riverside 238 Comment
  CLARK-A1528-1653  Bidens pilosa John C. Roos 1951-9-25 5264 Riverside Riverside 259 Comment
  CLARK-A1528-173  Bidens pilosa John C. Roos 1951-9-25 5264 Riverside Riverside 259 Comment
  UCR113864  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2000-6-24 2069 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR442  Bolboschoenus maritimus subsp. paludosus O. F. Clarke 1970-9-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom just east of the old Salt Lake RR Bridge 216 Comment
  UCR125285  Brachychiton populneum A. C. Sanders 2003-1-18 25668 Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, near entrance, Santa Ana River, West Riverside 226 Comment
  CAS-BOT-BC520380  Brachypodium distachyon Steve Boyd 2011-3-30 12306 Riverside Coastal plains and basins; San Bernardino basin region: City of Riverside, residential lot at NW corner of Beechwood Place (4131) and Brockton Ave. 256 Comment
  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
  SD254499  Brachypodium distachyon Steve 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 and Brockton Avenue. 256 Comment
  SEINET13276693 Image available Brachypodium distachyon Steve Boyd 2011-1 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
  UCR264749  Brachypodium distachyon Steve 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
  SEINET13262577 Image available Brachypodium hybridum Steve Boyd 2011-1 12306 Riverside City of Riverside, residential lot at northwest corner of Beechwood Place (4131) and Brockton Avenue. 256 Comment
  CSUSB494  Brassica geniculata C. Brown 1964-4-5 5464 1 Riverside East side Pachappa hill, along driveway off Panorama road 274 Comment
  SFV15631  Brassica nigra M. Merchant 1992-4-17 3 Riverside Santa Ana River bottom. End of Rubidoux Ave. in Riverside, 0.5 miles from river. 250 Comment
  CLARK-A1528-2426  Brassica tournefortii Charles S. Papp 1964-5-22 470 Riverside Riverside Comment
  CLARK-A1703-1189  Brassica tournefortii Charles S. Papp 1964-5-22 469 Riverside Riverside Comment
  CLARK-A1703-1190  Brassica tournefortii Charles S. Papp 1964-5-22 468 Riverside Riverside Comment
  UCR239806  Brassica tournefortii 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
  UCR83329  Brassica tournefortii A. C. Sanders 1994-5-15 14491 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  CAS-BOT-BC106184  Brickellia desertorum John Roos; Lucille Roos 1950-9-9 4986 Riverside Mt. Rubidoux, Riverside 396 Comment
  CAS-BOT-BC106190  Brickellia desertorum John Roos; Lucille Roos 1950-10-14 5006 Riverside East end Jurupa Hills near corner of Alta and Canal Sts., West Riverside 304 Comment
  CAS-BOT-BC106191  Brickellia desertorum John Roos; Lucille Roos 1950-9-9 4986 Riverside Mt. Rubidoux, Riverside 396 Comment
  CLARK-A1528-5453  Brickellia desertorum John C. Roos 1950-9-9 4986 Riverside Riverside 396 Comment
  GH386538  Brickellia desertorum J. C. Roos & L. Roos 1950-10-14 5006 Unknown east end Jurupa Hills near corner of Alta and Canal Streets, West Riverside 304 Comment
  RSA52805  Brickellia desertorum J. C. Roos, L. Roos 1950-9-9 4986 San Bernardino Mt. Rubidoux. 396 Comment
  RSA89879  Brickellia desertorum J. C. Roos, L. Roos 1950-10-14 5006 Riverside E end Jurupa Hills, near corner of Alta & Canal Sts. 305 Comment
  UC1010309  Brickellia desertorum John and Lucille Roos 1950-9-9 4986 Riverside Mt. Rubidoux 396 Comment
  UC1010317  Brickellia desertorum John and Lucille Roos 1950-10-14 5006 Riverside near corner of Alta and Canal Sts (e end of Jurupa Hills, West Riverside); Jurupa Hills 304 Comment
  UCR23271  Brickellia desertorum John C. Roos, L. Roos 1950-10-14 5006 Riverside San Bernardino Valley Region, West Riverside; east end Jurupa Hills, near corner of Alta and Canal Sts. 306 Comment
  UCR23273  Brickellia desertorum John C. Roos, L. Roos 1950-9-9 4986 Riverside Mt. Rubidoux. 400 Comment
  RSA85126  Bromus arizonicus J. C. Roos 1952-4-9 5473 Riverside east base of Mt. Rubidoux 274 Comment
  UCR20584  Bromus arizonicus John C. Roos 1952-4-9 5473 Riverside Riverside, E base of Mt. Rubidoux 274 Comment
  UCR2206  Bromus carinatus F. M. Reed 1906-3-4 903 Riverside Riverside, Fairmont Park 244 Comment
  LA13867  Bromus catharticus F. M. Reed; 1903-11-30 663 Riverside Riverside and vicinity Comment
  SBBG104651  Bromus catharticus M. A. Patten 1992-5-27 92 -16 San Bernardino portion of Green River Golf Club 152 Comment
  UC37740  Bromus catharticus H. M. Hall August 1899 1365 Riverside Riverside; Southern California, Riverside Comment
  UC69343  Bromus catharticus H. M. Hall July 1899 1365 Riverside Riverside Comment
  UC76969  Bromus catharticus F. M. Reed 1903-11-30 663 Riverside Riverside Comment
  UCR277492  Bromus catharticus Mitch Provance 2013-4-16 413- 21 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  CLARK-A1528-4535  Bromus diandrus John C. Roos 1952-4-9 5474 Riverside Riverside 259 Comment
  CSUSB434  Bromus rubens Leland E. Francois 1966-3-8 3866 2 Riverside City of Riverside. Southwest corner of U.S. Salinity Laboratory. Property on corner of 14th Street and Palm Ave. 289 Comment
  SEINET3923268  Bromus rubens R. L. Piemeisel 1913-5-4 3595 Riverside Sunny Mt., Riverside.; 0 Comment
  UCR2173B  Bromus rubens F. M. Reed 1906-7-8 1129 B Riverside Plains near the Salt Lake RR, West Riverside Comment
  UCR2249  Bromus rubens H. S. Fawcett 1913-12-24 1109 Riverside West Riverside, along main road, Santa Ana River flats 244 Comment
  CLARK-A1528-4564  Bromus unioloides Alfred R. Roos 1937-11-13 Riverside Riverside 243 Comment
  CLARK-A1528-4567  Bromus unioloides Alfred R. Roos 1937-11-13 Riverside Riverside 243 Comment
  UCR9533  Broussonetia papyrifera O. F. Clarke 1970-7-27 s.n. Riverside Riverside, residential garden of Mrs. Luther J. Tobias, 4460 7th Street Comment
  SD126469  Caesalpinia spinosa Oscar F. Clarke 1988-11-23 Riverside Cultivated on Victoria Avenue between St. Lawrence & Adams Streets Comment
  UC420634  Calyptridium monandrum Fred M. Reed 1907-5-26 1376 Riverside above Mount Rubidoux (Riverside and vicinity); Riverside Comment
  UC63436  Calyptridium monandrum H. M. Hall 1904-5-16 4944 Riverside vicinity of Riverside (Fairmount Park); Fairmount Park 243 Comment
  SEINET3091115 Image available Calystegia longipes Peggy Merritt 1972-4-28 Riverside Canyon running N in dry granitic hills 1 mi S of intersec. of Alessandra Blvd. and Walnut St. 12 mi W of Riverside. Comment
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Aug 25 2013
  UCR252228  Calystegia macrostegia Marissa Manahan 2011-4-24 s.n. Riverside Mount Rubidoux Park, Riverside, near summit 381 Comment
  UCR113900  Calystegia macrostegia subsp. arida Mitch Provance 1998-4-13 432 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal. 250 Comment
  UCR113902  Calystegia macrostegia subsp. arida Mitch Provance 1998-4-13 435 Riverside City of Riverside, Hillside area, near the corner of Adams and Central, along the NE periphery of the Riverside Airport. 244 Comment
  UCR113881  Calystegia macrostegia subsp. intermedia Mitch Provance 2000-6-24 2042 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CAS-BOT-BC221320  Calystegia macrostegia subsp. tenuifolia G. P. Rixford 1915-4-3 s.n. Riverside Riverside Comment
  POM78927  Calystegia macrostegia subsp. tenuifolia I. M. Johnston 1925-7-1 s.n. Riverside Along Ontario Road, 3 miles W of Riverside. Comment
  UCR7832  Calystegia macrostegia subsp. tenuifolia Dennis Vander Ven 1968-5-1 s.n. Riverside Santa Ana River, about 10 ft. away and above the river, S bank. 300 yds. west of railroad bridge near Fremont Street 213 Comment
  CLARK-A1528-2608  Calystegia sepium John C. Roos, Lucille Roos 1952-6-10 5763 Riverside Riverside 259 Comment
  SD146298  Calystegia sepium subsp. binghamiae Mitch Provance, S. D. Boyd 1999-9-14 1780 Riverside Riverside; Riverbottom along Spring Brook between Lake Evans and the Santa Ana River at the Mission Bridge. 238 Comment
  SD257248  Calystegia sepium subsp. binghamiae Mitch Provance 2012-11-10 112 02 Riverside San Bernardino Valley; Riverside, Santa Ana River, Fairmont Park, north side of Lake Evans, adjacent to the bike path on the N side of Dexter Dr., just W of the American Legion and the histori Boy Scouts Camp. 241 Comment
  SD260938  Calystegia sepium subsp. binghamiae Mitch Provance 2013-5-29 513 12 Riverside Santa Ana River Valley: Riverside, Fairmount Park, W side of Lake Evans, W side of Dexter Drive, just SW of the American Legion. 241 Comment
  UC56829  Calystegia sepium subsp. binghamiae H. M. Hall Aug 1901 Riverside along Spring Brook (vicinity of Riverside); , along Spring Brook 259 Comment
  UCR115933  Calystegia sepium subsp. binghamiae Mitch Provance, Steve D. Boyd 1999-9-14 1780 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
  UCR18965  Calystegia sepium subsp. binghamiae John C. Roos, L. Roos 1952-6-10 5763 Riverside San Bernardino Valley Region, Fairmont Park in Riverside, edge of lake 259 Comment
  UCR207596  Calystegia sepium subsp. binghamiae O. F. Clarke 2004-5-31 s.n. Riverside San Bernardino Valley Region, Riverside, along Spring Brook on the west side of Fairmont Park 238 Comment
  UCR265065  Calystegia sepium subsp. binghamiae Mitch Provance 2012-11-10 1112- 02 Riverside San Bernardino Valley, Riverside, Santa Ana River, Fairmont Park, N side of Lake Evans, adjacent to the bike path on the N side of Dexter Dr., just W of the American Legion and the historic Boy Scouts Camp. 241 Comment
  UCR273978  Calystegia sepium subsp. binghamiae Mitch Provance 2013-5-29 513- 12 Riverside Santa Ana River Valley, Riverside, Fairmount Park, W side of Lake Evans, W side of Dexter Drive, just SW of the American Legion. 241 Comment
  UCR273979  Calystegia sepium subsp. binghamiae Mitch Provance 2013-5-29 513- 13 Riverside Santa Ana River Valley, Riverside, Fairmount Park, W side of Lake Evans, W side of Dexter Drive, just SW of the American Legion. 241 Comment
  UCR273982  Calystegia sepium subsp. binghamiae Mitch Provance 2013-5-29 513- 14 Riverside Santa Ana River Valley, Riverside, Fairmount Park, W side of Lake Evans, W side of Dexter Drive, just SW of the American Legion. 241 Comment
  CAS-BOT-BC199279  Calystegia sepium subsp. limnophila S. B. Parish 1900-9-20 4612 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
  CAS-BOT-BC199280  Calystegia sepium subsp. limnophila S. B. Parish 1903-10-15 5334 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
  CAS-BOT-BC199281  Calystegia sepium subsp. limnophila S. B. Parish 1903-10-15 5334 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
  CAS-BOT-BC199282  Calystegia sepium subsp. limnophila S. B. Parish 1907-9-7 6435 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
  CAS-BOT-BC199283  Calystegia sepium subsp. limnophila S. B. Parish; W. F. Parish July 1881 916 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
  CAS-BOT-BC199284  Calystegia sepium subsp. limnophila Emily Smith September 1921 s.n. 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
  CAS-BOT-BC199285  Calystegia sepium subsp. limnophila J. C. Roos; A. R. Roos 1950-8-7 4919 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
  CAS-BOT-BC199286  Calystegia sepium subsp. limnophila Mitch Provance; S. D. Boyd 1999-9-14 1780 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
  RSA652944  Calystegia sepium subsp. limnophila Mitch Provance, S. D. Boyd 1999-9-14 1780 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
  CSUSB170  Camissonia bistorta Kirk Taylor 1976-5-29 76-5-29 7 Riverside Fairmount Park, city of Riverside; West end of Lake Evans. Comment
  RSA125547  Camissonia bistorta R. Weatherby 1949-5-13 406 Riverside Arlington. 152 Comment
  RSA465924  Camissonia bistorta Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
  SEINET4680874  Camissonia bistorta R. L. Piemeisel 1913-4-16 3434 Riverside Bottom of Rubidoux Mt.; 0 305 Comment
  UCR114820  Camissonia bistorta Mitch Provance, Seychelle Provance 1998-2-21 94 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon. 396 Comment
  RSA466163  Camissonia californica Jean Carnine 1932-2-28 s.n. Riverside Santa Ana River. Comment
  UCR83193  Camissonia californica A. C. Sanders 1994-5-15 14484 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UCR12573  Camissonia hirtella Bill Schultz 1972-4-30 720430- 5 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn where palm trees are west of dump 2 mi south of Mt. Rubidoux 305 Comment
  UCR239879  Camissonia hirtella 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
  UCR120168  Camissonia strigulosa Mitch Provance 1998-3-5 187 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  CSUSB541  Capsella bursa-pastoris D. L. Heald 1966-3-5 8 Riverside Corner of Monroe street and Magnolia Ave. 259 Comment
  CSUSB542  Capsella bursa-pastoris Leland R. Dykes 1962-3-25 6 Riverside 4831 Robidoux Ave. Riverside Comment
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Feb 24 2013
  UCR277745  Cardamine Mitch Provance 2011-7-29 17039 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  UCR125999  Cardaria draba Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  RSA0105835  Carduus pycnocephalus Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  CLARK-A1528-971  Carex diandra Patricia A. Andrews 1975-3-13 5899 Riverside Rubidoux Comment
  POM10385  Carex praegracilis F. M. Reed 1906-4-29 945 Riverside Riverside: Santa Ana River bottom near Rubidoux Ave. Comment
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Mar 10 2011
  UCR264635  Carex praegracilis Mitch Provance 2012-6-19 196- 03 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  UCR264641  Carex praegracilis Mitch Provance 2013-4-8 413- 01 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR277703  Carex praegracilis Mitch Provance 2013-4-16 413- 19 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR281880  Carex praegracilis Mitch Provance 2012-11-9 1112- 16 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  UCR209202  Carya illinoinensis A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37151 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UCR265614  Carya illinoinensis Ling-Hsuan Kung 2011-5-31 030 Riverside Riverside, Santa Ana River Regional Park 224 Comment
  UC26509  Castilleja minor subsp. spiralis E. L. Koethen 1897-10-27 Riverside W. Riverside; Riverside Comment
  UCR113855  Castilleja minor subsp. spiralis Mitch Provance 2000-6-24 2037 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CLARK-A1528-4185  Castilleja stenantha John C. Roos 1952-6-10 5757 Riverside Riverside 259 Comment
  CLARK-A1528-1427  Caucalis microcarpa John C. Roos 1952-4-9 5502 Riverside Riverside 396 Comment
  UCR19707  Caucalis microcarpa John C. Roos 1952-4-9 5502 Riverside Riverside, W face of Mt. Rubidoux 400 Comment
  UCD114678  Caulanthus lasiophyllus L. LaPre 1991-4-6 91 -7 San Bernardino Adelanto, N side of Highway 18, 1.4 miles W of Highway U.S. 395 960 Comment
  UCR119425  Centaurea cyanus Mitch Provance 1998-6-6 623 Riverside City of Riverside, NE corner of Van Buren Blvd. and Central Ave. 229 Comment
  CLARK-A1528-2042  Centaurea melitensis Margaret Ferro 1970-5-20 27 Riverside Riverside 457 Comment
  UC63138  Centaurea melitensis H. M. Hall 1900-6-1 Riverside Riverside Comment
  NY532374  Centaurea repens S. D. Boyd 1989-7-6 3758 Riverside S of Jurupa Rd, E of intersection with Van Buren Ave. Comment
  RSA522287  Centaurea repens Steve Boyd 1989-7-6 3758 Riverside open field S of Jurupa, E of intersection with Van Buren Ave. Comment
  UCR114617  Centaurea repens Mitch Provance 1997-5-18 1095 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal. 250 Comment
  UCR119949  Centaurea repens Mitch Provance 1998-9-5 1026 Riverside City of Riverside, Hillside area, along the south side of Dewey St., between Streeter Ave. and Palm Ave. 238 Comment
  UCR125301  Centaurea repens A. C. Sanders, Seuk Ku Hong 2003-1-22 25669 Riverside San Bernardino Valley Region, Riverside, Arlington area, Doolittle Ave. 0.1-10. km NW of Van Buren Blvd., west of Riverside Airport and east of the site of Hole Lake 226 Comment
  UCR140872  Centaurea repens John Rimoldi 2004-8-15 s.n. Riverside San Bernardino Valley Region, Arlington area of Riverside, Doolittle Ave., c. 0.5 km NW of Van Buren Blvd. on Doolittle, west of Riverside Airport 226 Comment
  UCR201993  Centaurea repens John Rimoldi 2009-1-10 s.n. Riverside San Bernardino Valley Region, Riverside, Arlington area, Van Buren Blvd. at Morris St. near west end of Riverside Airport 226 Comment
  UCR23674  Centaurea repens John C. Roos 1965-9-21 s.n. Riverside Riverside, Arlington area Comment
  UCR26085  Centaurea repens John C. Roos, L. Roos 1951-10-24 5335 Riverside City of Riverside, between Arlington area and Pedley 229 Comment
  UCR65296  Centaurea repens Steve Boyd 1989-7-6 3758 Riverside Riverside, intersection Van Buren Avenue and Jurupa Rd Comment
  CLARK-A1528-180  Centaurea solstitialis John C. Roos 1951-9-25 5253 Riverside Riverside Comment
  POM3384  Centaurium exaltatum Geo R. Hall 1905-9-3 s.n. Riverside Riverside Comment
  RSA391487  Centaurium exaltatum S. B. Parish 1891-1 s.n. Riverside Santa Ana River. Comment
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Aug 8 2010
  RSA660922  Centaurium venustum Mitch Provance 1998-5-25 875 Riverside Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  UC444846  Centaurium venustum Fred M. Reed 1903-8-29 435 Riverside near Chinatown (Riverside and vicinity); Riverside, Santa Ana River Comment
  UCR120410  Centaurium venustum Mitch Provance 1998-5-25 875 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  UC73920  Centromadia pungens subsp. laevis Geo. R. Hall 1905-9-3 Riverside Comment
  UCR217501  Centromadia pungens subsp. laevis Ana Hernandez, Kim Sparks 2009-6-23 011 Riverside Perris basin, Sycamore Canyon, I km north of Alessandro Blvd., along trail next to river. 446 Comment
  SD245306  Cereus A. C. Sanders 2010-5-31 38433 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place. Large Victorian residence. 257 Comment
  RSA125546  Chaenactis glabriuscula var. glabriuscula R. Weatherby 1949-5-13 408 Riverside La Sierra district, Arlington 152 Comment
  UC63019  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1901-5-1 Riverside West Riverside Comment
  UC63259  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1904-5-16 4947 Riverside vicinity of Riverside; , Fairmount Park 243 Comment
  CAS-BOT-BC277550  Chaenactis glabriuscula var. lanosa H. M. Hall 1904-5-16 4947 Riverside Vicinity of Riverside. Fairmount Park 243 Comment
  UCR115935  Chaenactis glabriuscula var. lanosa Mitch Provance 1998-4-7 1778 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon 396 Comment
  POM182427  Chamaesyce albomarginata R. L. Pendleton 1905-9-28 255 Riverside Riverside. Comment
  RSA522312  Chamaesyce albomarginata Steve Boyd 1989-7-9 3782 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  RSA659661  Chamaesyce albomarginata J. C. Roos 1951-9-25 5269 Riverside Fairmount 259 Comment
  RSA85088  Chamaesyce polycarpa J. C. Roos 1952-4-9 5496 Riverside Scattered along dry sunny roadside with Avena barbata, Muhlenbergia microsperma, etc., southeast face Mt. Rubidoux. 335 Comment
  CDA4802  Chamaesyce prostrata Steve Boyd 1989-7-9 3781 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  POM2850  Chamaesyce serpillifolia H. M. Hall 1904-5-24 4961 Riverside Santa Ana river near Riverside. 244 Comment
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Nov 24 2016
  POM8325  Chamaesyce serpillifolia H. M. Hall 1904-5-24 4961 Riverside Santa Ana river near Riverside. 244 Comment
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Nov 24 2016
  RSA0105839  Chamaesyce serpillifolia Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UC63397  Chamaesyce serpyllifolia H. M. Hall 1904-5-24 4961 Riverside vicinity of Riverside; Santa Ana River 243 Comment
  CLARK-A1528-3806  Cheilanthes californica John C. Roos 1952-4-9 5499 Riverside Riverside 380 Comment
  RSA269227  Cheilanthes feei B. A. Prigge 1975-5-24 1623 San Bernardino NE San Bernardino Co., Clark Mtn Range, in canyon south of Big Pachalka Cyn, ca 4.6 miles NW of Mt. Pass 1828 Comment
  POM49010  Cheilanthes newberryi Stephen Grout, Stephen Grout 1901-07 s.n. Riverside Mt. Rubidoux. Comment
  UCR18781  Cheilanthes newberryi John C. Roos, L. Roos 1951-10-27 5348 Riverside Riverside, Mt. Rubidoux. 305 Comment
  SEINET3090329 Image available Chenopodiastrum murale Leland R. Dykes 1962-3-25 3 Riverside 4831 Rubidoux Ave., Riverside. Comment
  RSA666517  Chenopodium Mitch Provance 2000-10-28 2269 Riverside Sunnyslope, residential areas near the Ormand Quarry. 274 Comment
  UCR120295  Chenopodium Mitch Provance 1998-5-25 877 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  CSUSB1379  Chenopodium album Leland E. Francois 1966-3-29 5 Riverside City of Riverside Southeast corner U.S. Salinity Laboratory property, located at the corner of 14th Street and Palm Ave. 289 Comment
  UCR278885  Chenopodium album Mitch Provance 2011-6-9 17193 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  RSA125543  Chenopodium album var. stevensii R. Weatherby 1949-5-13 413 Riverside La Sierra district, Arlington 152 Comment
  CLARK-A1528-406  Chenopodium ambrosioides Ken F. Clarke 1971-9-7 Riverside Riverside Comment
  CLARK-A1528-407  Chenopodium ambrosioides Fred B. Essig 1966-9-12 Riverside Riverside Comment
  RSA0106273  Chenopodium ambrosioides Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR950  Chenopodium berlandieri O. F. Clarke 1970-9-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom just east of the old Salt Lake RR Bridge 216 Comment
  UCR113598  Chenopodium berlandieri var. zschackei A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23676 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
  RSA0105842  Chenopodium botrys Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR108834  Chenopodium botrys O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  UCR18790  Chenopodium botrys John C. Roos 1952-6-10 5756 Riverside Santa Ana River in Riverside 259 Comment
  CLARK-A1528-4990  Chenopodium californicum John C. Roos 1951-9-25 5301 Riverside Riverside 259 Comment
  POM677  Chenopodium californicum F. M. Reed 1905-1-20 672 Riverside Riverside. Comment
  UCR113596  Chenopodium missouriense A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23683 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  UCR113597  Chenopodium missouriense A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23677 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
  UCR115144  Chenopodium missouriense Mitch Provance 2000-10-28 2269 Riverside Jurupa Hills, Sunnyslope, residential areas near the Ormand Quarry. 274 Comment
  UCR115154  Chenopodium missouriense Mitch Provance 2000-10-14 2256 Riverside Jurupa Mtns., Crestmore area, along the south side of El Rivino Rd., c. 0.4 miles north of Crestmore Quarries. 287 Comment
  RSA549246  Chenopodium rubrum A. C. Sanders, O. F. Clarke 1991-10-5 11741 Riverside Rubidoux, Santa Ana River Regional Park, ca. 0.3 mile SE of Louis Rubidoux Nature Center. Comment
  UCR71614  Chenopodium rubrum A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11741 Riverside Santa Ana River Valley, Rubidoux, Santa Ana River Regional Park, c. 0.3 mi SE of Louis Rubidoux Nature Center Comment
  SD146303  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance and B. Pitzer 2000-9-27 23682 Riverside Santa Ana River Valley; southwest side of Mt. Rubidoux, northwest of the intersection of Tequesquite Ave. and Gregory Road. 231 Comment
  UCR113599  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23682 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
  UCR115158  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-10-14 2254 Riverside Jurupa Mtns., Crestmore area, along the south side of El Rivino Rd., c. 0.4 miles north of Crestmore Quarries. 287 Comment
  UCR115159  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-10-14 2253 Riverside Jurupa Mtns., Crestmore area, along the south side of El Rivino Rd., c. 0.4 miles north of Crestmore Quarries. 287 Comment
  UCR115164  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-10-14 2255 Riverside Jurupa Mtns., Crestmore area, along the south side of El Rivino Rd., c. 0.4 miles north of Crestmore Quarries. 287 Comment
  UCR25982  Chenopodium strictum var. glaucophyllum John C. Roos 1951-9-25 5295 Riverside Riverside 259 Comment
  UC188912  Chloris virgata F. M. Reed 1904-8-14 94 Riverside Arlington Heights Comment
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Apr 2 2011
  UCR113856  Chloris virgata Mitch Provance 2000-6-24 2038 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UC450104  Chorizanthe leptotheca F. M. Reed 1905-6-9 778 Riverside Riverside and vicinity 365 Comment
  NY468298  Chorizanthe parryi F. M. Reed 05 1904 s.n. Riverside Rubidoux Mountain [=Mount Rubidoux] 518.2 Comment
  POM182352  Chorizanthe parryi var. parryi Katherine Brandegee 1905-5-12 s.n. Riverside Near Riverside. Comment
  SEINET3132306  Chorizanthe parryi var. parryi K. Brandegee 1905-5-12 sn Riverside Riverside Comment
  UC55752  Chorizanthe parryi var. parryi H. M. Hall May, 1901 Riverside West Riverside Comment
  UC84787  Chorizanthe parryi var. parryi Katharine Brandegee 1905-5-12 Riverside Riverside Comment
  CLARK-A1528-1769  Chrysopsis villosa John C. Roos 1951-9-25 5299 Riverside Santa Ana River 259 Comment
  CAS-BOT-BC279839  Cichorium intybus John Green 2004-7-1 s.n. Riverside Santa Ana River Valley: just NW of Riverside Municipal Airport, drainage ca. 0.3 mi. south of Jurupa Road, just east of Van Buren Blvd 229 Comment
  RSA720651  Cichorium intybus John Green 2004-7-1 s.n. Riverside Santa Ana River Valley: just NW of Riverside Municipal Airport, drainage ca. 0.3 mi. south of Jurupa Road, just east of Van Buren Blvd. 229 Comment
  RSA725957  Cichorium intybus Mitch Provance 2003-7-4 4643 Riverside San Bernardino Valley: Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives. 226 Comment
  UCR115927  Cichorium intybus Mitch Provance 1996-5-13 1083 Riverside Pedley, Horseshoe Lake, c. 300m SW of BM 718, and c. 0.4 mi north of the Santa Ana River 216 Comment
  UCR137095  Cichorium intybus John F. Green 2004-7-1 s.n. Riverside Santa Ana River Valley, just NW of Riverside Municipal Airport, drainage c. 0.3 mi. south of Jurupa Road, just east of Van Buren Blvd 229 Comment
  UCR182533  Cichorium intybus Mitch Provance 2003-7-4 4643 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives 226 Comment
  CAS-BOT-BC285633  Cirsium occidentale var. occidentale H. M. Hall 1904-5-24 4956 Riverside Vicinity of Riverside. Santa Ana River bottom 213 Comment
  UC63255  Cirsium occidentale var. occidentale H. M. Hall 1904-5-24 4956 Riverside vicinity of Riverside; Santa Ana River, Riverside 213 Comment
  CAS-BOT-BC438854  Cistanthe monandra H. M. Hall 1904-5-16 4944 Riverside Vicinity of Riverside. Fairmount Park. 243 Comment
  POM46849  Cistanthe monandra H. M. Hall 1904-5-19 4944 Riverside Fairmont Park. Comment
  RSA528070  Cistanthe monandra L. F. La Pre 1991-4-20 91 -13 San Bernardino City of Adelanto, N side of Hwy 18, 1.4 mi. W of Hwy U.S. 395. 960 Comment
  RSA448296  Clarkia purpurea subsp. quadrivulnera H. Twining 1890-05 s.n. San Bernardino Riverside. Comment
  CLARK-A1528-5356  Clarkia unguiculata John C. Roos, Lucille Roos 1952-4-28 5587 Riverside Riverside 259 Comment
  CLARK-A1528-3851  Clematis ligusticifolia John C. Roos 1965-10-7 Riverside Riverside Comment
  CLARK-A1528-3852  Clematis ligusticifolia John C. Roos 1965-10-7 Riverside Riverside Comment
  CLARK-A1528-5111  Clematis ligusticifolia John C. Roos 1951-9-25 5252 Riverside Riverside 259 Comment
  UCR115932  Clematis ligusticifolia Mitch Provance, S. D. Boyd 1999-9-14 1782 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
  UCR12288  Clematis ligusticifolia Paul D. Wood 1971-10-3 s.n. Riverside Riverside, Santa Ana riverbottom area bordering Fairmount Park 244 Comment
  UCR16946  Clematis ligusticifolia Helen Leach 1966-11-1 c661101- 2 Riverside Pedley Rd., City of Mira Loma Comment
  UCR234409  Cnicus benedictus Kai T. Palenscar 2010-4-3 s.n. Riverside City of Riverside; Santa Ana River, just north of Martha McLean-Anza Narrows Park 217 Comment
  SEINET13394112  Collinsia heterophylla H. M. Hall 1903-1 3825 Riverside Vicinity of Riverside. 335 Comment
  CLARK-A1528-138  Conium maculatum Fred B. Essig 1967-6-22 Riverside Santa Ana River Comment
  SEINET3080984 Image available Conium maculatum Unknown 1966-5-16 Riverside Specific location: Camp Evans. At the foot of the western side of Mt. Rubidoux, 100 yards north of Mission Blvd. 213 Comment
  RSA0106274  Convolvulus arvensis Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR113737  Convolvulus arvensis Mitch Provance 1998-6-6 622 A Riverside City of Riverside, NE corner of Van Buren Blvd. and Central Ave. 229 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
  UCR272493  Convolvulus arvensis Mitch Provance 2013-6-16 613- 23 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  POM10308  Conyza bonariensis Anonymous s.n. Riverside Riverside Comment
  UC63178  Conyza canadensis H. M. Hall 1901-8-1 Riverside vicinity Riverside 304 Comment
  UC63198  Corethrogyne filaginifolia H. M. Hall 1899-1-1 Riverside Riverside Comment
  CLARK-A1528-1782  Corethrogyne filaginifolia var. bernardina John C. Roos 1951-9-25 5272 Riverside Riverside 259 Comment
  CDA21779  Cosmos sulphureus Steve Boyd 1989-7-9 3778 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  UCR65277  Cosmos sulphureus Steve Boyd 1989-7-9 3778 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  UCR239815  Cotoneaster pannosus O. F. Clarke 2004-11-28 s.n. Riverside Riverside, south of Fairmont Park 239 Comment
  CAS-BOT-BC287227  Cotula australis Mrs. C. M. Wilder 1908-3-1 s.n. Riverside At Riverside Comment
  CLARK-A1528-5017  Cotula australis John C. Roos 1965-12-20 Riverside Riverside 243 Comment
  CLARK-A1528-5630  Cotula australis John C. Roos 1965-12-20 Riverside Riverside 243 Comment
  CSUSB617  Crassula erecta Bill Schultz 1972-4-30 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn, where palm trees are west of dump, 2 miles south of Mount Rubidoux 304 Comment
  SD253431  Cressa truxillensis Mitch Provance 2013-6-16 613 19 Riverside Santa Ana River Valley: City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, ca. 0.4 mile west of Van Buren. 226 Comment
  SEINET13387115 Image available Cressa truxillensis Mitch Provance 2013-1 613 -19 Riverside Santa Ana River Valley: City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren (Riverside West 7.5' Q.) 226 Comment
  UCR272487  Cressa truxillensis Mitch Provance 2013-6-16 613- 19 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  CLARK-A1528-2644  Croton californicus Charles S. Papp 1963-6-29 310 Riverside Santa Ana River Comment
  CLARK-A1528-432  Croton californicus John C. Roos 1951-9-25 5297 Riverside Santa Ana River 259 Comment
  JEPS52474  Croton californicus F. M. Reed 1905-9-25 Riverside Riverside Comment
  RSA480573  Croton californicus Albert J. Perkins 1895-05 s.n. Riverside Near Riverside. Comment
  CLARK-A1528-2689  Croton californicus var. tenuis John C. Roos 1951-9-25 5297 Riverside Santa Ana River 259 Comment
  UCR114819  Cryptantha intermedia Mitch Provance, Seychelle Provance 1998-2-21 95 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon. 396 Comment
  UCR277702  Cryptantha intermedia Mitch Provance 2013-4-16 413- 20 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  OBI32767  Cryptantha microstachys K. J. Ross 1968-5-16 680514 -2 Riverside N side of Santa Ana River off Fremont Ave. E across Union Pacific RR tracks and ford river Comment
  SEINET3084417 Image available Cryptantha microstachys Rose Gagnon 1968-5-14 680514 -4 Riverside Riverside. North bank of Santa Ana River east of Salt Lake City Bridge. Comment
  UCR7858  Cryptantha microstachys O. F. Clarke, R. Gagnon 1968-5-14 s.n. Riverside City of Riverside, Santa Ana River bottom off Fremont Avenue Comment
  SD239640  Cryptantha muricata Oleg Pryadko 2008-5-2 50 Riverside San Bernardino Valley Region: Western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200ft south of Clay St and General road, 1000 ft east of Van Buren Blvd., north bank of Santa Ana River (Riverside West 7.5'Q) 207 Comment
  SEINET3084450 Image available Cryptantha muricata Rose Gagnon 1968-5-14 680514 -5 Riverside North bank of Santa Ana River East of Salt Lake City bridge Comment
  UCR216254  Cryptantha muricata Oleg Pryadko 2008-5-2 050 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR239791  Cryptantha muricata O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UCR93063  Cryptantha muricata A. C. Sanders, S. Ogg 1994-7-28 15172 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  RSA0078856  Cryptantha pterocarya var. pterocarya L. LaPre 1991-4-20 91 -17 San Bernardino City of Adelanto, N side of Hwy 18, 1.4 mi. W of Hwy U.S. 395. 960 Comment
  SD133157  Cryptantha pterocarya var. pterocarya L. LaPre 1991-4-6 91 9 San Bernardino Adelanto, north side of Highway 18, 1.4 miles west of U. S. Highway 395. 960 Comment
  SEINET3240511  Cryptantha pterocarya var. pterocarya L. LaPre 1991-1 91 -17 San Bernardino City of Adelanto, N side of Hwy 18, 1.4 mi. W of Hwy U.S. 395. 960 Comment
  RSA799665  Cucurbita foetidissima LeRoy Gross, Bart O'Brien 2013-3-18 5949 Riverside High bench above the Santa Ana river, north of the river, and south of the Riverside County animal control facility, just west of Van Buren Boulevard. Near Pedley. 205 Comment
  UC28914  Cucurbita palmata H. M. Hall 1901-8-6 2654 Riverside vicinity Riverside 457 Comment
  UC28915  Cucurbita palmata H. M. Hall 1901-8-6 2654 Riverside vicinity of Riverside 457 Comment
  UCR281883  Cuscuta Mitch Provance 2012-11-9 1112- 12 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  CLARK-A1528-421  Cuscuta californica var. californica Fred B. Essig 1966-9-12 Riverside Santa Ana River Comment
  UCR117340  Cuscuta californica var. californica Mitch Provance 1998-3-22 257 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  OBI33603  Cuscuta campestris J. C. Roos 1951-9-25 5254 Riverside W end Fairmont park, Riverside 259 Comment
  RSA614596  Cuscuta campestris A. C. Sanders, Steve Ogg 1994-7-28 15174 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd Bridge 243 Comment
  UCR278855  Cuscuta campestris Mitch Provance 2011-6-9 17192 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  RSA309656  Cuscuta indecora J. C. Roos 1951-9-25 5254 Riverside West end Fairmount Park 259 Comment
  UCR10500  Cuscuta indecora var. indecora O. F. Clarke 1970-10-7 s.n. Riverside Santa Ana River Valley, City of Riverside, river bottom (Santa Ana River), just west of Lake Evans, Fairmont Park. Comment
  RSA0105841  Cuscuta pentagona Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR17381  Cuscuta pentagona O. F. Clarke 1978-10-23 s.n. Riverside Rubidoux, north side of Limonite Avenue, 0.3 mi. west of intersection with Clay Street Comment
  UCR31682  Cuscuta pentagona John C. Roos 1951-9-25 5254 Riverside City of Riverside, west end of Fairmount Park 259 Comment
  UCR92718  Cuscuta pentagona A. C. Sanders, S. Ogg 1994-7-28 15174 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UCR6701  Cuscuta subinclusa O. F. Clarke 1967-11-4 671104- 3 Riverside Santa Ana River channel, 0.5 mi. upstream from Salt Lake Railroad Bridge. Comment
  CLARK-A1528-2578  Cycloloma atriplicifolium John C. Roos 1951-9-25 5300 Riverside Santa Ana River 259 Comment
  CLARK-A1528-410  Cycloloma atriplicifolium Fred B. Essig 1966-9-12 Riverside Santa Ana River Comment
  UCD98518  Cycloloma atriplicifolium H. R. Greene 1920-5-11 s.n. Riverside Riverside. Comment
  UCD98520  Cycloloma atriplicifolium H. R. Greene 1920-5-11 s.n. Riverside Riverside. Comment
  UCR120409  Cycloloma atriplicifolium Mitch Provance 1998-5-25 876 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  UCR207550  Cycloloma atriplicifolium O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UCR207609  Cycloloma atriplicifolium O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  UCR93074  Cycloloma atriplicifolium A. C. Sanders, S. Ogg 1994-7-28 15171 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UCR19706  Cyclospermum leptophyllum John C. Roos, L. Roos 1953-5-9 5917 Riverside Riverside, Fairmont Park 259 Comment
  UCR117348  Cylindropuntia californica var. californica Mitch Provance 1998-3-22 282 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  RSA660929  Cymbalaria muralis A. C. Sanders 1998-4-12 21751 Riverside yard of residence at 5081 Magnolia Ave, corner of Chapman Pl. 256 Comment
  SD146150  Cymbalaria muralis A. C. Sanders 1998-4-12 21751 Riverside Residence at 5081 Magnolia Ave., corner of Chapman Pl. 256 Comment
  UCR112912  Cymbalaria muralis A. C. Sanders 1998-4-12 21751 Riverside Riverside, yard of residence at 5081 Magnolia Ave, corner of Chapman Pl. 256 Comment
  UCR113854  Cynodon dactylon Mitch Provance 2000-6-24 2062 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CDA38930  Cyperus difformis Steve Boyd 1989-7-23 3788 Riverside City of Riverside, Santa Ana River, just downstream of old city dump at west extension of Rubidoux Ave. 0 Comment
  RSA613948  Cyperus difformis A. C. Sanders 1994-7-26 15150 Riverside Santa Ana River at the Mission Blvd. / 7th Street Bridge, W foot of Mount Rubidoux. 240 Comment
  SD144143  Cyperus difformis A. C. Sanders 1994-7-26 15150 Riverside Santa Ana River at the Mission Blvd. at 7th Street bidge; west foot of Mount Rubidoux; disturbed riparian zone in sandy riverbottom; uncommon annual in wet sand, mostly shallow water along the river. 239 Comment
  UC1584121  Cyperus difformis Steve Boyd 1989-7-23 3788 Riverside Santa Ana River just downstream of old city dump at w. extension of Rubidoux Ave. Riverside; Santa Ana River, Riverside Comment
  UCR113865  Cyperus difformis Mitch Provance 2000-6-24 2059 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR208621  Cyperus difformis O. F. Clarke 2004-8-22 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the dog park [Carlson Park] and Mission Blvd. bridge, NW foot of Mt. Rubidoux 238 Comment
  UCR65293  Cyperus difformis Steve Boyd 1989-7-23 3788 Riverside Santa Ana River, Riverside, just downstream of the old city dump at W extension of Rubidoux Ave. Comment
  UCR92728  Cyperus difformis A. C. Sanders 1994-7-26 15150 Riverside Santa Ana River at the Mission Blvd/7th street Bridge, W foot of Mt. Rubidoux 240 Comment
  CLARK-A1528-1  Cyperus eragrostis Fred B. Essig 1966-9-12 Riverside Riverside Comment
  CLARK-A1528-2  Cyperus eragrostis Fred B. Essig 1966-9-12 Riverside Riverside Comment
  POM319702  Cyperus eragrostis Patricia Wilder 1971-11-11 5289 Riverside Along Santa Ana River, Santa Ana River Drainage Area. 229 Comment
  UCR109736  Cyperus eragrostis T. W. Fisher 1963-9-20 s.n. Riverside Riverside, Santa Ana River 213 Comment
  UCR1587  Cyperus eragrostis R. L. Needham 1962-5-15 10061 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Camp Evans [below Fairmont Park], Boy Scouts of America. 244 Comment
  CAS-BOT-BC114416  Cyperus erythrorhizos John C. Roos 1951-9-25 5249 Riverside Common in mud at edge of lake, Fairmount Park. 259 Comment
  CAS-BOT-BC114417  Cyperus erythrorhizos A. C. Sanders; Oscar F. Clarke 1991-10-5 11742 Riverside Rubidoux, Santa Ana River Regional Park, ca. 0.3 mi SE of Louis Rubidoux Nature Center. Comment
  RSA605228  Cyperus erythrorhizos A. C. Sanders, O. F. Clarke, CNPS field trip 1991-10-5 11742 Riverside Rubidoux, Santa Ana River Regional Park, ca. 0.3 mile SE of Louis Rubidoux Nature Center. Comment
  SD224785  Cyperus erythrorhizos A. C. Sanders, O. F. Clarke & C. N. P. S. field trip 1991-10-5 11742 Riverside Rubidoux, Santa Ana River Regional Park, ca. 0.3 mi SE of Louis Rubidoux Nature Center. Comment
  UCR85377  Cyperus erythrorhizos A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11742 Riverside Santa Ana River Valley, Rubidoux, Santa Ana River Regional Park, c. 0.3 mi SE of Louis Rubidoux Nature Center Comment
  UCSB37831  Cyperus erythrorhizos J. Roos 1951-9-25 5249 Riverside FAIRMOUNT PARK 259 Comment
  UCSB45585  Cyperus erythrorhizos Roos, John 1951-9-25 Riverside Fairmount Park, Riverside 259 Comment
  POM10323  Cyperus esculentus Anonymous s.n. Riverside Below West Riverside bridge. Comment
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Mar 15 2014
  UCR113867  Cyperus involucratus Mitch Provance 2000-6-24 2058 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR208341  Cyperus involucratus O. F. Clarke 2004-4-14 s.n. Riverside San Bernardino Valley Region, Riverside, west side of Santa Ana River opposite the south end of Mt. Rubidoux, SE of Flabob Airport, south of bend in Crestmore Rd. and 2 mi. south of Mission Blvd., east of Co. Parks Hqtrs. 229 Comment
  POM10386  Cyperus laevigatus F. M. Reed 1905-10-29 836 Riverside Chinatown ford on Santa Ana River. [Riverside, crossing of river below the old Chinatown site in lower Arroyo Tequesquite] Comment
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Oct 10 2009
  UCR85376  Cyperus niger A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11745 Riverside Santa Ana River Valley, Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake Comment
  RSA605230  Cyperus niger var. capitatus A. C. Sanders, O. F. Clarke, CNPS field trip 1991-10-5 11745 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  UCR441  Cyperus niger var. capitatus O. F. Clarke 1974-11-14 s.n. Riverside Riverside, Santa Ana Riverbottom Park Comment
  RSA605229  Cyperus odoratus A. C. Sanders, O. F. Clarke, CNPS field trip 1991-10-5 11743 Riverside Rubidoux, Santa Ana River Regional Park, ca. 0.3 mile SE of Louis Rubidoux Nature Center. Comment
  SD146115  Cyperus odoratus A. C. Sanders, Mitch Provance, et al 2000-9-27 23680 Riverside Santa Ana River Valley; southwest side of Mount Rubidoux; northwest of intersection of Tequesquite Avenue and Gregory Road; near confluence of Arroyo Tequesquite and the river . 231 Comment
  UCR109738  Cyperus odoratus T. W. Fisher 1963-9-20 s.n. Riverside Riverside, Santa Ana River 213 Comment
  UCR113586  Cyperus odoratus A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23680 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
  UCR14419  Cyperus odoratus Leonel Sternburg 1974-8-27 s.n. Riverside Santa Ana River Bottom Regional Park. Comment
  UCR207812  Cyperus odoratus O. F. Clarke 2004-8-5 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  UCR41433  Cyperus odoratus Scott Cantrell, W. Appleby 1985-9-19 s.n. Riverside Santa Ana River Regional Park. south side of the river 207 Comment
  UCR85375  Cyperus odoratus A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11743 Riverside Santa Ana River Valley, Rubidoux, Santa Ana River Regional Park, c. 0.3 mi SE of Louis Rubidoux Nature Center Comment
  UCR92398  Cyperus parishii F. M. Reed 1907-9-15 1936 Riverside Riverside, Santa Ana River at Chinatown ford 244 Comment
  CDA2604  Cyperus rotundus Steve Boyd 1989-7-9 3774 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  SBBG104655  Dactylis glomerata M. A. Patten 1992-5-27 92 -21 San Bernardino portion of Green River Golf Club 152 Comment
  UCR2294  Dactylis glomerata C. A. Johnson 1915-6-14 s.n. Riverside Rubidoux, Citrus Experiment Station 259 Comment
  CSUSB772  Datura meteloides Nancy Atha 1963-3-21 3-21-63 7 Riverside Southwest side of hill at the corner of Madison St. and Victoria Ave. in (city of) Riverside. 274 Comment
  RSA273281  Datura wrightii Glenn A. Gorelick 1966-8-13 s.n. Riverside Growing in dry sandy soil along dry creek bed, Rubidoux. Comment
  UC444927  Datura wrightii F. M. Reed 1905-9-28 257 Riverside Riverside Comment
  CAS-BOT-BC294110  Deinandra kelloggii H. M. Hall 1905-6-1 6239 Riverside Hills east of Riverside Comment
  CAS-BOT-BC294111  Deinandra kelloggii H. M. Hall 1905-5-1 6239 Riverside Vicinity of Riverside 365 Comment
  CAS-BOT-BC294112  Deinandra kelloggii H. M. Hall 1905-5-1 6239 Riverside Vicinity of Riverside. Gavilan Hills s.e. of Riverside 365 Comment
  UC68894  Deinandra kelloggii H. M. Hall 1905-5-1 6239 Riverside vicinity of Riverside 365 Comment
  CAS-BOT-BC131034  Deinandra paniculata James I. McMurphy 1916-8-13 s.n. Riverside Riverside Comment
  SJSU5503  Delairea odorata R. A. Anderson 1964-12-25 Riverside Riverside 259 Comment
  CLARK-A1528-5138  Descurainia pinnata John C. Roos 1952-3-26 5414 Riverside Riverside 259 Comment
  RSA0086463  Descurainia pinnata Mitch Provance 2013-4-8 413 -07 Riverside San Bernardino Vally: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave. 226 Comment
  UCD114759  Descurainia pinnata L. LaPre 1991-4-6 91- 6 San Bernardino City of Adelanto, north side of Highway 18, 1.4 miles west of Highway US 395. 960 Comment
  UCR264604  Descurainia pinnata Mitch Provance 2012-6-19 196- 11 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  UCR264651  Descurainia pinnata Mitch Provance 2013-4-8 413- 07 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UC63394  Descurainia pinnata subsp. menziesii H. M. Hall 1904-5-16 4942 Riverside vicinity Riverside (Fairmount Park); Fairmount Park 243 Comment
  UC64338  Descurainia pinnata subsp. menziesii H. M. Hall 1895-3-10 70 Riverside near Riverside (Fairmount Hill); Fairmount Hill Comment
  UCR265010  Descurainia sophia Mitch Provance 2013-4-8 413- 08 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA0106275  Dicentra chrysantha Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR120160  Dichelostemma capitatum Mitch Provance 1998-3-5 193 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR2920  Dichelostemma capitatum subsp. capitatum Nancy Atha 1963-3-24 32463- 02 Riverside Upper Santa Ana River/San Bernardino Valley region, Riverside, NW side of [Quarry Hill] at the corner of Madison St. and Victoria Ave 335 Comment
  CDA1969  Digitaria sanguinalis Steve Boyd 1989-7-9 3768 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  UC60770  Digitaria sanguinalis E. L. Koethen 1897-8-12 5 Riverside Riverside Comment
  UC76971  Digitaria sanguinalis F. M. Reed 1904-8-23 644 Riverside Riverside Comment
  UCR93088  Digitaria sanguinalis A. C. Sanders, S. Ogg 1994-7-28 15179 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UCR117345  Dimorphotheca sinuata Mitch Provance 1998-3-21 247 Riverside Glen Avon, Jurupa Rd., c. 0.25 miles west of Camino Real. 244 Comment
  UCR182520  Diplotaxis tenuifolia Mitch Provance 1996-2-27 1075 Riverside Upper Santa Ana River Valley, Riverside, Hillside area, near Dewey St. 232 Comment
  LA12285  Distichlis spicata F. M. Reed; 1906-4-29 944 Riverside near Santa Ana River 213 Comment
  UC50794  Distichlis spicata H. M. Hall Aug 1901 Riverside Vicinity of Riverside; in the Upper Sonoran Zone 259 Comment
  UC50795  Distichlis spicata H. M. Hall May 1902 3284 Riverside Santa Ana River 182 Comment
  UCR182540  Distichlis spicata Mitch Provance 2003-7-4 4641 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives 226 Comment
  UCR207623  Distichlis spicata O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UCR2330  Distichlis spicata F. M. Reed 1906-4-29 944 Riverside Riverside, in the Santa Ana River bottom near the racetrack below Chinatown 244 Comment
  UCR2335  Distichlis spicata F. M. Reed 1903-11-23 424 Riverside Riverside, water company pasture on Magnolia Avenue below Arlington Ave. 255 Comment
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Oct 6 2017
  UCR2336  Distichlis spicata H. S. Fawcett 1913-12-11 1084 Riverside Riverside, north of [Mt.] Rubidoux, flat in sand [along Santa Ana River] 244 Comment
  RSA461341  Dodecatheon clevelandii Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
  RSA423468  Dudleya Lester H. Cushman 1932-5-8 s.n. Riverside Near Pedley, close to Santa Ana R. [River]. Comment
  CSUSB618  Dudleya lanceolata Rose Gagnon 1968-4-20 2 Riverside Mt. Roubidoux. About half way up the mountain road way to the top of Mt. Roubidoux at the first car stop. Comment
  CSUSB621  Dudleya lanceolata Joe Barrington Riverside Fairmount Park Fairmount Park [in city of Riverside, off Market Street near the 60 freeway], at west end of lake on grassy hillside. Comment
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Jun 2 2013
  UCR130867  Dudleya lanceolata Mitch Provance 1998-6-10 636 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  UCR252199  Dudleya lanceolata Marissa Manahan 2011-4-24 s.n. Riverside Mount Rubidoux Park, Riverside, near summit 381 Comment
  UCR281810  Dysphania ambrosioides Mitch Provance 2012-11-9 1112- 11 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  CAS-BOT-BC334247  Echeveria A. C. Sanders 2010-5-23 38426 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place. Comment
  CSUSB1172  Echinochloa crus-galli Debbie Vigneault 1974-7-17 Riverside Santa Ana River Santa Ana River bottom, near Van Buren Bridge. 259 Comment
  RSA0106466  Echinochloa crus-galli Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UC39152  Echinochloa crus-galli E. L. Koethen 1897-8-12 8 Riverside Riverside Comment
  UCR120338  Echinochloa crus-galli Mitch Provance 1998-7-23 930 Riverside Jurupa Mountains, Sunnyslope area, c. 0.5 mile east of 34th St. and Armstrong Road 274 Comment
  UCR2341  Echinochloa crus-galli F. M. Reed 1936-7-27 s.n. Riverside South Coast; San Bernardino Valley, Riverside, edge of Fairmont Park [Evans] Lake opposite American Legion Club House 241 Comment
  UCR6147  Echinochloa crus-galli C. M. Bringle, O. F. Clarke, et al. 1967-5-18 s.n. Riverside Santa Ana River bottom. Along banks of river behind Herrs' residence, 5453 Grassy Trails Drive. Taking path leading from pasture behind house, turn right at first fork and proceed along riverbank 229 Comment
  CLARK-A1528-55  Echinochloa crus-galli var. frumentacea Fred B. Essig 1966-9-12 Riverside Riverside Comment
  CLARK-A1528-1805  Eclipta alba John C. Roos 1951-9-22 5233 Riverside Riverside Comment
  CLARK-A1528-202  Eclipta alba John C. Roos 1951-9-22 5233 Riverside Riverside 243 Comment
  RSA40573  Eclipta prostrata J. C. Roos 1948-10-23 s.n. Riverside Mud at edge of shallow pool. Comment
  RSA69869  Eclipta prostrata J. C. Roos 1951-9-22 52332 Riverside Fairmont Park. 244 Comment
  UCR23770  Eclipta prostrata John C. Roos 1948-10-23 3524 Riverside Riverside, Evans Lake, Fairmont Park 274 Comment
  UCR9300  Eclipta prostrata K. Black 1969-10-26 s.n. Riverside Santa Ana River bottom near the Van Buren Bridge Comment
  UCR47519  Ehrharta erecta Mira M. Bogen 1987-5-10 s.n. Riverside Riverside, along Van Buren Blvd. between bridge over Santa Ana River and sewer plant Comment
  CAS-BOT-BC112743  Eleocharis geniculata A. C. Sanders; Oscar Clarke; C. N. P. S. 1991-10-5 11744 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  RSA564498  Eleocharis geniculata A. C. Sanders, O. F. Clarke, CNPS field trip 1991-10-5 11744 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  UCR76060  Eleocharis geniculata A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11744 Riverside Santa Ana River Valley, Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake Comment
  CDA38957  Eleocharis montevidensis F. J. Willmarth 1958-2-28 s.n. Riverside Riverside. 0 Comment
  UCR113938  Eleocharis montevidensis Mitch Provance 2000-6-24 2063 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR132717  Eleocharis montevidensis A. C. Sanders, O. F. Clarke 1991-6-10 11126 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  SBBG119911  Eleocharis parishii A. C. Sanders with O. F. Clarke 1991-6-10 11126 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  UCR109735  Eleocharis rostellata R. E. Orth 1963-3-8 s.n. Riverside Riverside, Santa Ana River 213 Comment
  UCR17656  Eleocharis rostellata A. C. Sanders 1975-6-17 0747 Riverside Santa Ana Riverbottom, just upstream from the Salt Lake Railroad bridge 213 Comment
  UCR93084  Eleusine indica A. C. Sanders, S. Ogg 1994-7-28 15169 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  RSA69833  Elymus X gouldii J. C. Roos, L. Roos 1951-10-24 5344 Riverside Fairmount Park. 259 Comment
  SEINET3929485  Elymus condensatus R. L. Piemeisel 1914-2-17 3812 Riverside Mt. Rubidoux.; 0 Comment
  UCR2356  Elymus condensatus F. M. Reed 1905-6-4 769 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside. Roadside near Chinatown Ford. [Near where Arroyo Tequesquite joins the Santa Ana River] 236 Comment
  CLARK-A1528-56  Elymus glaucus C. M. Flanagan 1973-5-22 OO 904 Riverside Rubidoux Comment
  CSUSB447  Elymus glaucus Heather Hanson 1966-5-16 Riverside Camp Evans; At the foot of the western side of Mount. Rubidoux, 100 yards north of Mission Blvd. 213 Comment
  UCR2367  Elymus glaucus subsp. virescens F. M. Reed 1907-5-26 1363 Riverside Riverside, Spring Brook near sand gate north of Rubidoux Mtn. 244 Comment
  CLARK-A1528-4607  Elymus triticoides John C. Roos 1951-10-24 5344 Riverside Riverside 259 Comment
  CLARK-A1528-57  Elymus triticoides John C. Roos 1951-10-24 5344 Riverside Riverside 259 Comment
  LA14869  Elymus triticoides F. M. Reed; 1907-5-26 1363 Riverside Spring Brook near foot of Rubidoux Mt Comment
  UCR132702  Elymus triticoides A. C. Sanders, O. F. Clarke 1991-6-10 11138 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR207568  Elymus triticoides O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  UCR207759  Elymus triticoides O. F. Clarke 2004-5-31 s.n. Riverside San Bernardino Valley Region, Riverside, along Spring Brook on the west side of Fairmont Park 238 Comment
  UCR2369  Elymus triticoides F. M. Reed 1904-6-12 595 Riverside Riverside, Riverside, crossing of zanja and outfall sewer near city dump, on Santa Ana River 244 Comment
  UCR2370  Elymus triticoides H. S. Fawcett 1913-12-24 1108 Riverside West Riverside, along main road, Santa Ana River flats 244 Comment
  UCR2371  Elymus triticoides F. M. Reed 1904-6-5 167 Riverside Riverside, outlet to dam in Fairmont Park Comment
  UCR2372  Elymus triticoides F. M. Reed 1907-6-23 1445 Riverside Santa Ana River, City of Riverside, old field in the Santa Ana River bottom above the bridge on the West Riverside Road 244 Comment
  UCR264633  Elymus triticoides Mitch Provance 2012-6-19 196- 10 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  CLARK-A1528-539  Emmenanthe penduliflora Heather Hanson 1966-5-16 Riverside Riverside 182 Comment
  CSUSB99  Emmenanthe penduliflora Karen Cook 1966-5-16 Riverside Santa Ana River bottom, east of Van Buren Ave. in city of Riverside. 182 Comment
  POM10397  Emmenanthe penduliflora E. A. Zumbro 1905-05 s.n. Riverside Rubidoux Hill, Riverside. Comment
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May 22 2011
  UCR216026  Emmenanthe penduliflora Oleg Pryadko 2008-5-2 084 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UC111153  Encelia californica F. M. Reed 1905-4-10 796 Riverside Arlington Heights Comment
  UC111183  Encelia californica F. M. Reed 1907-2-2 1211 Riverside near Prenda Station; Lincoln Heights Comment
  UC31387  Encelia californica E. L. Koethen 1897-4-1 17 Riverside plains Riverside Comment
  UC31397  Encelia californica E. L. Koethen 1897-4-1 10 Riverside Plains Comment
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Mar 12 2011
  UCR120204  Encelia californica Mitch Provance 1998-3-5 196 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR2918  Encelia californica Nancy Atha 1963-2-23 23263- 2 Riverside N side of [Quarry] hill at corner of Madison Street & Victoria Avenue, Riverside 244 Comment
  A414402  Encelia farinosa G. P. Rixford 1915-4-3 Unknown Riverside Comment
  CAS-BOT-BC131320  Encelia farinosa G. P. Rixford 1915-4-3 s.n. Riverside Riverside 426 Comment
  CLARK-A1528-1809  Encelia farinosa John C. Roos 1952-4-9 5509 Riverside Riverside 335 Comment
  UC1118066  Encelia farinosa A. Lewis Mar 1933 180 Riverside Rubidoux Mountain Riverside Quad., Rubidous Mountain 304 Comment
  UC31396  Encelia farinosa Geo. R. Hall 1901-3-17 1671 Riverside near Riverside Comment
  UCD131216  Encelia farinosa T. I. Storer; J. E. Law 1948-3-27 320 Riverside near Riverside. Comment
  UCR83194  Encelia farinosa A. C. Sanders 1994-5-15 14483 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UCR26278  Epilobium ciliatum John C. Roos 1952-6-25 5795 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  POM10085  Epilobium ciliatum subsp. ciliatum Charlotte M. Wilder 1906-10-8 885 Riverside Fairmont Park. Comment
  RSA324165  Epipactis gigantea George Henry Grinnell 1921-5-20 s.n. Riverside Riverside. Comment
  RSA381718  Epipactis gigantea Burton 1908-5-30 s.n. Riverside Riverside. Comment
  RSA381719  Epipactis gigantea George Henry Grinnell 1923-5-26 s.n. Riverside Riverside. Comment
  RSA381726  Epipactis gigantea George Henry Grinnell 1919-6-1 s.n. Riverside Riverside. Comment
  RSA382720  Epipactis gigantea George Henry Grinnell 1924-5-24 s.n. Riverside Riverside. Comment
  RSA568556  Epipactis gigantea Burton 1908-5-6 s.n. Riverside Riverside. Comment
  RSA568557  Epipactis gigantea George Henry Grinnell 1923-5-28 s.n. Riverside Riverside. Comment
  RSA568558  Epipactis gigantea George Henry Grinnell 1924-5-20 s.n. Riverside Riverside. Comment
  UC1514825  Epipactis gigantea George Henry Grinnell 1924-5-24 Riverside Riverside Comment
  UCR131004  Epipactis gigantea George H. Grinnell 1921-5-20 s.n. Riverside Riverside 366 Comment
  UCR131080  Epipactis gigantea George H. Grinnell 1923-5-28 s.n. Riverside Riverside 366 Comment
  UCR207988  Epipactis gigantea Mrs. Burton 1908-5-30 s.n. Riverside Peninsular Range/San Bernardino Valley, Riverside Comment
  CLARK-A1528-24  Equisetum arvense Ruth Cooper 1952-9-12 635 f Riverside Riverside Comment
  RSA684643  Equisetum laevigatum Lester H. Cushman 1932-5-15 15144 Riverside Near Pedley Riverside. Comment
  SD132541  Equisetum telmateia subsp. braunii John C. Roos 1952-6-25 5794 Riverside Riverside, Fairmount Park, west end 259 Comment
  UCR26313  Equisetum telmateia subsp. braunii John C. Roos 1952-6-25 5794 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  UCR93083  Eragrostis barrelieri A. C. Sanders, S. Ogg 1994-7-28 15168 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  CDA2087  Eragrostis cilianensis Steve Boyd 1989-7-9 3770 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  UC38340  Eragrostis cilianensis H. M. Hall August, 1899 1366 Riverside Riverside Comment
  UCR113928  Eragrostis cilianensis Mitch Provance 2000-6-24 2050 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR93229  Eragrostis cilianensis A. C. Sanders, S. Ogg 1994-7-28 15170 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UCR83128  Eragrostis curvula var. conferta A. C. Sanders, S. Ogg 1994-7-28 15183 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UCR92729  Eragrostis lehmanniana A. C. Sanders, S. Ogg 1994-7-28 15167 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UCD63460  Eragrostis mexicana F. M. Reed 1907-11-24 2000 Riverside Riverside and vicinity. Santa Ana River bottom near Chinese Gardens. Comment
  RSA577755  Eragrostis mexicana subsp. mexicana F. M. Reed 1907-11-24 2000 Riverside Santa Ana River botton near Chinese Gardens Comment
  UCD63467  Eragrostis mexicana subsp. mexicana F. M. Reed 1907-11-24 2000 Riverside Riverside and vicinity. Santa Ana River bottom near Chinese Gardens. Comment
  UCR2381  Eragrostis mexicana subsp. mexicana F. M. Reed 1907-11-24 2000 Riverside Riverside. Santa Ana River bottom near Chinese Gardens. Comment
  RSA0105846  Eragrostis mexicana subsp. virescens Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UC169817  Eragrostis mexicana subsp. virescens H. M. Hall 1901-8-6 2653 Riverside vicinity Riverside 457 Comment
  UCR93087  Eragrostis minor A. C. Sanders, S. Ogg 1994-7-28 15173 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UCR113858  Eragrostis pectinacea var. miserrima Mitch Provance 2000-6-24 2039 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCSB38377  Eragrostis pilosa Frederick Morris Reed 1903-11-30 662 Riverside collected in Riverside Comment
  UCR113545  Eriastrum densifolium subsp. austromontanum Mitch Provance 1998-6-12 699 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  UCR93085  Eriastrum densifolium subsp. densifolium A. C. Sanders, S. Ogg 1994-7-28 15175 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  SD146198  Eriastrum densifolium subsp. elongatum Mitch Provance 1998-6-12 699 Riverside Santa Ana River Wash, Riverside, 1/8 mile northwest of Tequesquite Ave. and Gregory Rd. 228 Comment
  UC52454 Image available Eriastrum densifolium subsp. sanctorum H. M. Hall 1897-7-3 683 San Bernardino Santa Ana River; ; Santa Ana River, Riverside Comment
  UCR189573  Eriastrum densifolium subsp. sanctorum Josh Koepke 2005-7-26 045 Riverside Santa Ana River, within Santa Ana River bed nearest the western edge, 0.1 miles north of Hwy 60 overpass 247 Comment
  UCR252812  Eriastrum densifolium subsp. sanctorum Ana Hernandez, Angela Collada 2013-6-12 046 Riverside Santa Ana River, between Market Street and Mission Blvd 245 Comment
  UC449833  Eriastrum sapphirinum I. J. Condit May 1926 Riverside Rubidoux Comment
  UCR125208  Eriastrum sapphirinum Mitch Provance 1998-5-24 536 Riverside Jurupa Mountains, S 'Rattlesnake Mt.', near the corner of Alta St. and Canal St. in Rubidoux 396 Comment
  SD260179  Ericameria nauseosa Mitch Provance 2013-6-18 613 32 Riverside Santa Ana River Valley: Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  UCR272497  Ericameria nauseosa Mitch Provance 2013-6-18 613- 32 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  POM10296  Ericameria palmeri var. pachylepis Mr Grout, S. Grout 1903-11 32 Riverside Rubidoux Comment
  POM10310  Ericameria palmeri var. pachylepis Stephen Grout s.n. Riverside Riverside, W of house near tannery, Rubidoux. Comment
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Jun 9 2012
  POM359440  Ericameria palmeri var. pachylepis Albert J. Perkins 1915-9-25 s.n. Riverside Pachappa Mt Comment
  UCR120207  Ericameria palmeri var. pachylepis Mitch Provance 1998-3-5 192 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 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
  UCR182446  Ericameria parishii Mitch Provance 2003-7-4 4634 Riverside San Bernardino Valley, Riverside, Along Jackson St., between Audrey and Colorado Aves. 226 Comment
  RSA522306  Erigeron bonariensis Steve Boyd 1989-7-9 3776 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  RSA69818  Eriochloa acuminata J. C. Roos 1951-9-25 5294 Riverside Riverside 259 Comment
  RSA663306  Eriodictyon trichocalyx var. trichocalyx Mitch Provance 1998-6-12 701 Riverside Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  UCR119408  Eriodictyon trichocalyx var. trichocalyx Mitch Provance 1998-6-12 701 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  CAS-BOT-BC249950  Eriogonum fasciculatum var. foliolosum G. P. Rixford 1915-4-3 s.n. Riverside Riverside Comment
  UCR117341  Eriogonum fasciculatum var. polifolium Mitch Provance 1998-3-22 258 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR125213  Eriogonum gracile Mitch Provance 1998-5-5 521 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal Ofc. 250 Comment
  CAS-BOT-BC262879  Eriogonum thurberi H. M. Hall 1900-6-1 1400 Riverside Santa Ana River 457 Comment
  CAS-BOT-BC262882  Eriogonum thurberi H. M. Hall 1904-5-19 4950 Riverside Riverside. Fairmount Park 243 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
  CLARK-A1045-99  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
  POM10478  Eriogonum thurberi H. M. Hall 1904-5-19 4950 Riverside Fairmont Park. Comment
  POM2304  Eriogonum thurberi S. B. Parish 1917-6-11 11363 Riverside Santa Ana River. Comment
  RSA0105832  Eriogonum thurberi Alan Romspert 2000-7-28 s.n. Riverside Half way between Market St. and Riverside Ave. Bridges. Comment
  RSA424977  Eriogonum thurberi Lester H. Cushman 1931-10-25 s.n. Riverside Near Riverside. Comment
  UC412809  Eriogonum thurberi R. L. Pendleton 1906-5-27 966 Riverside Santa Ana River above Salt Lake bridge; Santa Ana River Comment
  UC63437  Eriogonum thurberi H. M. Hall 1904-5-19 4950 Riverside vicinity of Riverside (Fairmount Park); Fairmount Park 243 Comment
  UCR119275  Eriogonum thurberi Mitch Provance 1998-6-12 700 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  UCR18275  Eriogonum thurberi Helen Leach 1966-5-31 s.n. Riverside Santa Ana Riverbottom between Pedley (Van Buren) and Rubidoux (Mission) Bridges 244 Comment
  UCR207565  Eriogonum thurberi O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  UCR30806  Eriogonum thurberi G. R. Ballmer 1983-7-3 s.n. Riverside City of Riverside, Santa Ana River Bottom, under the Salt Lake Bridge at the end of Fremont Street, near the Humane Society Animal Shelter 216 Comment
  LA203544  Eriophyllum confertiflorum var. confertiflorum Elizabeth McClintock; 1935-3-3 sn Riverside Pedley Hills Comment
  SEINET8553362  Erodium cicutarium H. M. Hall 1903-1 3809 Riverside Vicinity of Riverside, in the Sonoran Zone 396 Comment
  CSUSB52  Erodium moschatum Cary Brown 1964-3-27 27364 1 Riverside East side of Pachappa Hill, City of Riverside. 274 Comment
  RSA390916  Erodium moschatum Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
  UCR249924  Erodium trifolium A. C. Sanders, Steve Boyd 2009-4-9 36793 Riverside Riverside, Beechwood Place between Brockton Ave. and Palm Ave. 252 Comment
  CAS-BOT-BC166986  Erythranthe guttata Oleg Pryadko 2008-5-2 052 Riverside San Bernardino Valley Region: western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  CSUSB962  Eschscholzia caespitosa Richard L. Irwin 1962-4-21 0036 Riverside Beneath center of Crestmore Road bridge over Santa Ana River 243 Comment
  CDA5163  Eucalyptus camaldulensis A. C. Sanders, O. F. Clarke 1991-6-1 11123 Riverside Upper Santa Ana River/San Bernardino Valley. Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River. Comment
  SBBG119971  Eucalyptus camaldulensis A. C. Sanders with O. F. Clarke 1991-6-10 11123 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  UCD103100  Eucalyptus camaldulensis F. M. Reed 1916-11-12 3759 Riverside Jensen Ranch, west Riverside. Comment
  UCR132713  Eucalyptus camaldulensis A. C. Sanders, O. F. Clarke 1991-6-10 11123 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR67001  Eucalyptus camaldulensis S. J. Myers 1990-12-5 s.n. Riverside Santa Ana River, Louis Rubidoux Nature Center, along drainage that connects to Sunnyslope Channel, and to the confluence with the Santa Ana River 213 Comment
  RSA420833  Eucrypta chrysanthemifolia Lester H. Cushman 1932-5-8 15161 Riverside Near Pedley, close to Santa Ana R. [River]. Comment
  UCR119265  Eucrypta chrysanthemifolia Mitch Provance 1998-6-10 635 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  UCR83197  Eucrypta chrysanthemifolia var. chrysanthemifolia A. C. Sanders 1994-5-15 14481 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  SD227860  Eulobus californicus A. C. Sanders 1994-5-15 14484 Riverside Mount Rubidoux: NW side of Riverside on the east bank of the Santa Ana River. 399 Comment
  UCR134654  Euphorbia albomarginata Mitch Provance 1998-4-9 403 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 259 Comment
  UCR114025  Euphorbia maculata Mitch Provance 2000-6-24 2048 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA575852  Euphorbia ocellata subsp. ocellata Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 588 Comment
  CLARK-A1528-2704  Euphorbia polycarpa John C. Roos 1952-4-9 5496 Riverside Riverside 335 Comment
  GH402418  Eustoma exaltatum G. R. Hall 1905-9-3 Unknown Riverside Comment
  POM130427  Eustoma exaltatum H. M. Hall 1896-8-21 11023 Riverside Santa Ana River, near Riverside Comment
  UC444840  Eustoma exaltatum unknown 1905-9-28 267 Riverside near Salt Lake Bridge (Santa Ana River); Santa Ana River Comment
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Sep 4 2011
  UC73478  Eustoma exaltatum Geo. R. Hall 1905-9-3 Riverside Riverside Comment
  UCR5432  Eustoma exaltatum O. F. Clarke 1966-9-22 660922- 02 Riverside Santa Ana River bottom near Riverside Sewage Plant, Riverside Comment
  UCR55324  Eustoma exaltatum C. Butsch 1988-7-7 s.n. Riverside Rubidoux, Rancho Jurupa Park. Comment
  POM319662  Euthamia occidentalis Patricia Wilder 1971-11-11 5290 Riverside Along Santa Ana River, Santa Ana River Drainage Area. 229 Comment
  UC31887  Euthamia occidentalis E. L. Koethen 1897-10-16 Riverside Riverbottom, West Riverside Comment
  UC485618  Euthamia occidentalis R. L. Pendleton 1905-10-1 284 Riverside West Riverside 274 Comment
  UC74007  Euthamia occidentalis F. M. Reed 1904-11-5 669 Riverside West Riverside on Evans Ranch above Chinese gardens Comment
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Jan 14 2010
  UCR265846  Euthamia occidentalis Mitch Provance 2013-4-8 413- 03 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  CLARK-A1528-4643  Festuca arundinacea John C. Roos 1950-4-15 4743 Riverside Riverside 259 Comment
  CSUSB448  Festuca arundinacea Steve Walker 1966-5-13 Riverside City of Riverside; Fairmount Park; 500 yards from Santa Ana River. Western perimeter. 274 Comment
  UCR113941  Festuca arundinacea Mitch Provance 2000-6-24 2065 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR23886  Festuca arundinacea John C. Roos 1950-4-15 4743 Riverside W end of Fairmont Park Lake, Riverside 244 Comment
  CLARK-A1528-4652  Festuca grayi John C. Roos 1952-4-9 5482 Riverside Fairmount Park 259 Comment
  LA13103  Festuca myuros F. M. Reed; 1906-3-7 897 Riverside above Victoria's Ave Comment
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Jan 18 2014
  UCR114816  Festuca myuros Mitch Provance, Seychelle Provance 1998-2-21 99 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon. 396 Comment
  UCR2410  Festuca myuros F. M. Reed 1906-3-7 897 Riverside Riverside. Hydrant [at] corner of Streight (?) and Hooker Ranches, Victoria Heights Comment
  UCR5908  Festuca myuros Leland E. Francois 1966-3-29 32966- 2 Riverside Riverside, SE corner US Salinity Laboratory property, located at the corner of 14th St. and Palm Ave. 290 Comment
  UCR125218  Festuca myuros var. myuros Mitch Provance 1998-5-5 522 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal Ofc. 250 Comment
  UCR2418  Festuca octoflora F. M. Reed 1908-4-26 2317 Riverside Riverside. Along Crestmore railroad north of Fairmount Park Comment
  SBBG104652  Festuca perennis M. A. Patten 1992-5-17 San Bernardino portion of Green River Golf Club 152 Comment
  CDA2821  Ficus carica A. C. Sanders, O. F. Clarke 1991-6-1 11119 Riverside Upper Santa Ana River/San Bernardino Valley. Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River. Comment
  RSA717499  Ficus carica A. C. Sanders, O. F. Clarke 1991-6-10 11119 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  SBBG119938  Ficus carica A. C. Sanders with O. F. Clarke 1991-6-10 11119 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  UCR125222  Ficus carica Mitch Provance 1998-9-5 1024 Riverside City of Riverside, Hillside area, along the south side of Dewey St., between Streeter Ave. and Palm Ave. 238 Comment
  UCR132716  Ficus carica A. C. Sanders, O. F. Clarke 1991-6-10 11119 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  SBBG125908  Ficus palmata A. C. Sanders with R. E. Riefner Jr. 2009-8-11 37152 Riverside Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  SD237518  Ficus palmata A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37152 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCD170918  Ficus palmata A. C. Sanders; R. E. Riefner Jr. 2009-8-11 37152 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR209295  Ficus palmata A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37152 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  RSA85099  Filago californica J. C. Roos 1952-4-9 5510 Riverside Scattered along dry sunny roadside with Avena barbata, Muhlenbergia microsperma, etc., southeast face Mt. Rubidoux. 335 Comment
  UCR113901  Filago californica Mitch Provance 1998-4-13 433 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal. 250 Comment
  UCR20331  Filago californica John C. Roos 1952-4-9 5510 Riverside San Bernardino Basin Region, Riverside, southeast face of Mount Rubidoux 335 Comment
  UCR134653  Filago gallica Mitch Provance 1998-4-9 404 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 259 Comment
  RSA756345  Forestiera pubescens O. F. Clarke 2005-10-15 s.n. Riverside Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge. 215 Comment
  SBBG126062  Forestiera pubescens O. F. Clarke 2004-3-14 Riverside Riverside, Santa Ana River ca. 200 m below old Salt Lake Railroad bridge 215 Comment
  UCR207510  Forestiera pubescens O. F. Clarke 2004-3-14 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge 215 Comment
  UCR207619  Forestiera pubescens O. F. Clarke 2005-10-15 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge 215 Comment
  UCR272485  Frankenia salina Mitch Provance 2013-6-16 613- 24 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, El Dorado Park on Warren St., about 0.35 mi W of Van Buren Blvd. 225 Comment
  UCR272492  Frankenia salina Mitch Provance 2013-6-16 613- 21 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  UCR209165  Fraxinus pennsylvanica subsp. velutina A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37153 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  RSA0105844  Fraxinus uhdei Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR132719  Fraxinus uhdei A. C. Sanders, O. F. Clarke 1991-6-10 11131 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  CAS-BOT-BC211016  Fraxinus velutina Winfield 1975-4-17 2399 Riverside West end Fairmont Park - Riverside Comment
  CAS-BOT-BC211018  Fraxinus velutina A. C. Sanders; O. F. Clarke 1991-6-10 11132 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Sprng Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA717477  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11133 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA717478  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11134 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA717493  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  SD186260  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Viverside, along Spring Brook between Lake Evans and the Santa Ana River. 238 Comment
  UCD122023  Fraxinus velutina A. C. Sanders; O. F. Clarke 1991-6-10 11132 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCD122024  Fraxinus velutina A. C. Sanders; O. F. Clarke 1991-6-10 11134 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR132720  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11132 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR132721  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11133 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR132722  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11134 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR132723  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  SEINET3081782 Image available Funastrum cynanchoides var. hartwegii Peggy Merritt PM- 720428 Riverside Canyon running N in hills 1 mi S of Intersec. of Alessandra Blvd and Walnut St., 12 mi W of Riverside 366 Comment
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Aug 25 2013
  UCR1110  Galium aparine R. L. Webster 1957-4-26 s.n. Riverside Riverside; Fairmont Park, 100 yards west of Evans Lake, just south of road/path to river 244 Comment
  UCR111560  Gilia angelensis Mitch Provance 1998-5-4 1709 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', above the Ormand Quarry, c. 1.5 km west of peak 1739 366 Comment
  UCR114822  Gilia angelensis Mitch Provance, Seychelle Provance 1998-2-21 90 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon. 396 Comment
  UCR118405  Gilia angelensis A. C. Sanders 1994-5-15 14486 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UCR120181  Gilia angelensis Mitch Provance 1998-3-5 186 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR6144  Gilia angelensis C. M. Bringle, H. Johnston 1967-4-22 5 Riverside Jurupa, [Pedley Hills] at end of Sedona Drive off Jurupa Road, west of Mission Blvd. Hillside with red water storage tank. 'el. 800 ft.' 305 Comment
  UCR216245  Gilia capitata Oleg Pryadko 2008-5-2 085 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR252210  Gilia capitata J. Mendoza 2011-5-13 s.n. Riverside Santa Ana River Regional Park near Louis Rubidoux Nature Center 221 Comment
  POM10428  Gilia capitata subsp. abrotanifolia Reed s.n. Riverside Riverside. Comment
  RSA470272  Gilia capitata subsp. abrotanifolia Jean Carnine 1932-2-28 s.n. Riverside Santa Ana River Comment
  UC63438  Gilia diegensis H. M. Hall 1904-5-19 4949 Riverside Fairmount Park vicinity of Riverside, Fairmount Park 243 Comment
  RSA653499  Glycyrrhiza lepidota A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23678 Riverside SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  SD146272  Glycyrrhiza lepidota A. C. Sanders, Mitch Provance and B. Pitzer 2000-9-27 23678 Riverside Southwest side of Mt. Rubidoux, northwest of intersecdtion of Tequesquite Ave. and Gregory Rd., nbear confluence of Arroyo Tequesquite and the river. 231 Comment
  SEINET13276757 Image available Glycyrrhiza lepidota Mitch Provance 2012-1 196 -05 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave (Riverside 7.5' Q.) 226 Comment
  SEINET952168  Glycyrrhiza lepidota H. M. Hall 1904-1 4967 Riverside West Riverside 213 Comment
  UC63393  Glycyrrhiza lepidota H. M. Hall 1904-5-26 4967 Riverside West Riverside 213 Comment
  UCR113588  Glycyrrhiza lepidota A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23678 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
  UCR264631  Glycyrrhiza lepidota Mitch Provance 2012-6-19 196- 05 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  UCR114610  Gnaphalium canescens subsp. microcephalum Mitch Provance 1997-7-19 1106 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area of the city of Riverside. 305 Comment
  UCR119264  Gnaphalium canescens subsp. microcephalum Mitch Provance 1998-6-10 637 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  UCR92408  Gnaphalium canescens subsp. microcephalum F. M. Reed 1933-8-13 8010 Riverside South Coast; San Bernardino Valley, Riverside, Fairmont Park 245 Comment
  CAS-BOT-BC140527  Gnaphalium luteoalbum Oleg Pryadko 2008-5-2 054 Riverside San Bernardino Valley Region: western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  RSA0105840  Gnaphalium luteoalbum Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR113903  Gnaphalium luteoalbum Mitch Provance 1998-4-13 437 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal. 250 Comment
  UCR216242  Gnaphalium luteoalbum Oleg Pryadko 2008-5-2 054 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  CLARK-A1528-222  Gnaphalium microcephalum Ken F. Clarke 1971-9-7 Riverside Jurupa Comment
  CLARK-A1528-223  Gnaphalium microcephalum Margaret Ferro 1970-5-16 22 Riverside Jurupa 365 Comment
  CAS-BOT-BC140526  Gnaphalium stramineum Oleg Pryadko 2008-5-2 080 Riverside San Bernardino Valley Region: western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR13439  Gnaphalium stramineum A. C. Sanders 1973-5-25 00121 Riverside San Bernardino/upper Santa Ana River Valley, Santa Ana Riverbottom c. 0.5 mi upstream from Salt Lake Railroad bridge 216 Comment
  UCR216243  Gnaphalium stramineum Oleg Pryadko 2008-5-2 080 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR93061  Gnaphalium stramineum A. C. Sanders, S. Ogg 1994-7-28 15178 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  SD133112  Grayia spinosa L. LaPre 1991-4-6 91 5 San Bernardino City of Adelanto, north side of Highway 18, 1.4 miles west of Highway U. S. 395. 960 Comment
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Oct 4 2017
  UCR38237  Grindelia camporum Steve Boyd 1980-4-23 s.n. Riverside NE corner of Jurupa Rd. & Pedley Rd., Glen Avon Comment
  RSA528059  Guillenia lasiophylla L. F. LaPre 1991-4-20 91 -16 San Bernardino City of Adelanto, N side of Hwy 18, 1.4 mi. W of Hwy U.S. 395. 960 Comment
  RSA85146  Guillenia lasiophylla J. C. Roos 1952-4-9 5500 Riverside Mt Rubidoux. 396 Comment
  UCR117338  Gutierrezia californica Mitch Provance 1998-3-22 253 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  POM78959  Gutierrezia sarothrae I. M. Johnston 1925-7-1 s.n. Riverside Along Ontario Road, 3 miles W of Riverside. Comment
  CAS-BOT-BC309386  Helenium puberulum H. M. Hall 1901-8-1 s.n. Riverside Vicinity of Riverside 259 Comment
  UC57440  Helenium puberulum H. M. Hall 1901-8-1 Riverside vicinity Riverside 259 Comment
  CSUSB1539  Helianthus annuus M. Peterson 1972-6-29 S. N. Riverside Riverside Comment
  CSUSB740  Heliotropium curassavicum Heather Hanson 1966-5-16 Riverside 50 yards east of where the Santa Ana River crosses Van Buren Blvd., in the river bottom. 182 Comment
  SEINET13297608 Image available Heliotropium curassavicum Mitch Provance 2013-1 613 -27 Riverside San Bernardino Valley: Riverside, Arlington area, S side of Challen Avenue, near intersection with Curran Dr. (Riverside West 7.5' Q.) 238 Comment
  UCR272481  Heliotropium curassavicum Mitch Provance 2013-6-18 613- 27 Riverside San Bernardino Valley, Riverside, Arlington area, S side of Challen Avenue, near intersection with Curran Dr. 238 Comment
  UCR278884  Heliotropium curassavicum Mitch Provance 2011-6-9 17195 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  UCR808  Heliotropium curassavicum S. C. Anderson 1957-5-21 s.n. Riverside Riverside, Santa Ana River bottom, 0.5 mi. east of Humane Society, north of Jurupa Ave. [near Union Pacific RR bridge] 220 Comment
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Feb 18 2013
  CLARK-A1528-335  Heliotropium curassavicum subsp. oculatum Fred B. Essig 1966-5-2 Riverside Riverside Comment
  UCR264605  Heliotropium curassavicum var. oculatum Mitch Provance 2012-6-19 196- 12 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  UCR108832  Hemizonia fasciculata O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  UCR114618  Hemizonia fasciculata Mitch Provance 1997-5-20 1096 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal. 250 Comment
  UCR125212  Hemizonia fasciculata Mitch Provance 1998-5-5 520 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal Ofc. 250 Comment
  UCR239919  Hemizonia fasciculata O. F. Clarke 2004-5-2 s.n. Riverside Santa Ana River near Riverside 244 Comment
  CLARK-A1528-239  Hemizonia laevis Fred B. Essig 1967-6-20 Riverside Riverside Comment
  RSA660909  Hemizonia paniculata Mitch Provance 1998-3-5 524 Riverside VABM 1031, Hill traditionally called ''Lionshead'', but also referred to as ''Challen Hill'', located near the corner of Harrison St. and California Ave. in the Arlington area. 274 Comment
  RSA683227  Hemizonia paniculata Scott D. White 2003-12-1 9891 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  RSA683228  Hemizonia paniculata Scott D. White 2003-12-1 9892 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  RSA683236  Hemizonia paniculata Scott D. White 2003-12-1 9890 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  UCR108831  Hemizonia paniculata O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  UCR125216  Hemizonia paniculata Mitch Provance 1998-5-5 524 Riverside Riverside, near VABM 1031, hills traditionally called 'Lionshead', or also referred to as 'Challen Hills', located near the corner of Challen Ave. and Calmhill Dr. in the Arlington area 305 Comment
  UCR134655  Hemizonia paniculata Mitch Provance 1998-4-9 406 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 259 Comment
  UCR137601  Hemizonia paniculata John F. Green 2004-7-6 s.n. Riverside Santa Ana River Valley, north end of Payton Ave., Riverside, near natural gas pipeline facility, above Santa Ana River 229 Comment
  UCR150557  Hemizonia paniculata Scott D. White 2003-12-1 9892 Riverside Santa Ana River Valley; city of Riverside; La Sierra area 244 Comment
  UCR150559  Hemizonia paniculata Scott D. White 2003-12-1 9890 Riverside Santa Ana River Valley; city of Riverside; La Sierra area 244 Comment
  UCR161282  Hemizonia paniculata Chet McGaugh 2005-9-27 s.n. Riverside Santa Ana River Valley, Rubidoux, Riverview Drive and Avenue Juan Diaz, west of the Rubidoux Nature Center and c. 0.25 mi N of the Santa Ana River 220 Comment
  RSA653021  Hemizonia pungens subsp. laevis Geo. R. Hall 1905-9-3 280 Riverside Riverside Comment
  CLARK-A1528-241  Heterotheca grandiflora Fred B. Essig 1966-9-12 Riverside Riverside Comment
  HSC83025  Heterotheca grandiflora S. Cantrell, Walter Appleby 1985-9-19 Riverside Santa Ana River Regional Park. S side of the river. 207 Comment
  JEPS20371  Heterotheca grandiflora W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Santa Ana River Comment
  JEPS20372  Heterotheca grandiflora W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Santa Ana River Comment
  UC32766  Heterotheca grandiflora E. L. Koethen 1897-10-16 B Riverside w Riverside Comment
  UC63142  Heterotheca grandiflora H. M. Hall 1899-1-1 Riverside vicinity of Riverside Comment
  CDA5015  Hibiscus trionum T. C. Fuller, F. J. Willmarth 1959-9-24 3083 Riverside Jurupa Avenue, West Riverside. 0 Comment
  RSA597947  Holcus lanatus F. M. Reed 1907-6-23 1434 Riverside Old abandoned field in Santa Ana River bottom above West Riverside Bridge. 244 Comment
  UCR113936  Holcus lanatus Mitch Provance 2000-6-24 2051 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR2463  Holcus lanatus F. M. Reed 1907-6-23 1434 Riverside Santa Ana River, City of Riverside, old field in the Santa Ana River bottom above the bridge on the West Riverside Road 244 Comment
  CLARK-A1528-4689  Hordeum glaucum John C. Roos 1952-4-9 5494 Riverside Riverside 304 Comment
  RSA453765  Hydrocotyle ranunculoides Lester H. Cushman 1932-5-15 15321 Riverside Near Pedley, Santa Ana River. Comment
  RSA717497  Hydrocotyle ranunculoides A. C. Sanders, O. F. Clarke 1991-6-10 11120 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  SBBG119937  Hydrocotyle ranunculoides A. C. Sanders with O. F. Clarke 1991-6-10 11120 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  UCD128233  Hydrocotyle ranunculoides A. C. Sanders; O. F. Clarke 1991-6-10 11120 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR109737  Hydrocotyle ranunculoides R. E. Orth 1963-3-8 s.n. Riverside Riverside, Santa Ana River 213 Comment
  UCR132708  Hydrocotyle ranunculoides A. C. Sanders, O. F. Clarke 1991-6-10 11120 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR207604  Hydrocotyle ranunculoides O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  POM3216  Hydrocotyle umbellata D. L. Crawford 1919-07 s.n Riverside [Unspecified] Comment
  UCR1594  Hydrocotyle umbellata R. L. Needham 1962-5-8 10041 Riverside Riverside, base of spillway at WNW corner of Lake Evans [Fairmont Park] 245 Comment
  UCR92598  Hydrocotyle umbellata F. M. Reed 1933-8-13 8013 Riverside South Coast; San Bernardino Valley, Riverside, Fairmont Park 245 Comment
  UCR117718  Hypochaeris radicata Mitch Provance 1998-6-6 622 B Riverside City of Riverside, NE corner of Van Buren Blvd. and Central Ave. 229 Comment
  UC186443  Ipomoea hederacea Gordon Surr 1915-12-5 10739 Riverside Arlington Comment
  UCR114328  Ipomoea hirsutula Mitch Provance 1998-9-28 1158 Riverside City of Riverside, Hillside area, Joseph and Socorro Gomez residence, 5575 Dean Way. 238 Comment
  UCR182535  Ipomoea purpurea Mitch Provance 2003-7-4 4633 Riverside San Bernardino Valley, Riverside, 'Adams Hill', along the N. side of Raintree Ave., 0.2 mi. SW of Adams St., 0.3 mi. SE of Colorado Ave., c. 0.75 mi. SE of the Riverside Municipal Airport 238 Comment
  UCR120904  Iris pseudacorus A. C. Sanders 2002-4-20 25019 Riverside Upper Santa Ana River Valley/San Bernardino Valley region, Rancho Jurupa Park, county park off River Rd. near Rio Dr. 226 Comment
  CDA34536  Isocoma acradenia Mike Lahti 2009-9-23 PDR# 1501827 Riverside Riverside 0 Comment
  RSA683230  Isocoma menziesii Scott D. White 2003-12-1 9893 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  SBBG81101  Isocoma menziesii S. Cantrell, W. Appleby 1985-9-19 Riverside Santa Ana River Regional Park, S side of river 207 Comment
  UCR281878  Isocoma menziesii Mitch Provance 2012-11-9 1112- 18 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  POM319665  Isocoma menziesii var. vernonioides Patricia Wilder 1971-11-11 5302 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 Comment
  POM359614  Isocoma menziesii var. vernonioides Albert J. Perkins 1915-9-25 s.n Riverside Pachappa Mt Comment
  UCR115882  Isocoma menziesii var. vernonioides Mitch Provance 1999-5-6 1162 Riverside City of Riverside, Property adjacent to NW side of Hole Lake (nearly dry) and north of Parker Way. 226 Comment
  CLARK-A1703-1214  Jasminum mesnyi Charles S. Papp 1965-1-12 805 Riverside Riverside Comment
  CAS-BOT-BC101886  Juglans californica Winfield 1975-4-17 2428 Riverside West end of Fairmont Park - Riverside Comment
  CLARK-A1528-3025  Juglans californica John C. Roos 1952-6-25 5789 Riverside Riverside 259 Comment
  RSA0011072  Juglans californica A. C. Sanders, O. F. Clarke 1991-6-10 11128 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA0011073  Juglans californica A. C. Sanders, O. F. Clarke 1991-6-10 11130 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  RSA787255  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37148 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR132724  Juglans californica A. C. Sanders, O. F. Clarke 1991-6-10 11128 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR132830  Juglans californica A. C. Sanders, O. F. Clarke 1991-6-10 11130 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR18881  Juglans californica John C. Roos 1952-6-25 5789 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  UCR207809  Juglans californica O. F. Clarke 2004-3-14 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge 215 Comment
  UCR209200  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37148 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UCR272494  Juglans californica Mitch Provance 2013-6-18 613- 31 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  CAS-BOT-BC140654  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37147 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  CAS-BOT-BC167094  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37150 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  RSA780936  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37147 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA781326  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37150 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA787266  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37147 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  SD237479  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37147 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River (Riverside West 7.5'Q) 238 Comment
  SD243034  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37147 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. Near edge of stream, c. 100m below lake. 238 Comment
  UCR209199  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37147 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UCR209201  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37150 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UC63439  Juncus ambiguus H. M. Hall 1904-5-19 4954 Riverside vicinity Riverside; , Fremont Park 243 Comment
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Sep 5 2011
  UCR108825  Juncus balticus O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  UCR132718  Juncus balticus A. C. Sanders, O. F. Clarke 1991-6-10 11127 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR264640  Juncus balticus Mitch Provance 2013-4-8 413- 02 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR277704  Juncus balticus Mitch Provance 2013-4-16 413- 18 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCD141347  Juncus balticus subsp. ater A. C. Sanders; O. F. Clarke 1991-6-10 11127 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  CLARK-A1528-18  Juncus bufonius C. M. Flanagan 1973-5-22 OO 901 Riverside Santa Ana River Comment
  POM1545  Juncus bufonius H. M. Hall 1904-5-19 4954 Riverside Fairmont Park. Vicinity of Riverside. 244 Comment
  SEINET3150744  Juncus bufonius H. M. Hall 1904-5-10 4954 Riverside Fremont Park 244 Comment
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Mar 15 2014
  UCR108836  Juncus effusus subsp. austrocalifornicus O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  RSA368245  Juncus mexicanus Lester H. Cushman 1932-5-8 s,n, Riverside Near Pedley, close to Santa Ana R. [River]. Comment
  UCR264608  Juncus mexicanus Mitch Provance 2012-6-19 196- 02 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  UCR108835  Juncus rugulosus O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  UCR113735  Juncus rugulosus Mitch Provance 2000-6-24 2071 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR113860  Juncus torreyi Mitch Provance 2000-6-24 2076 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA564029  Juncus xiphioides A. C. Sanders, O. F. Clarke 1991-6-10 11136 Riverside Along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River Comment
  SBBG104053  Juncus xiphioides A. C. Sanders with O. F. Clarke 1991-6-10 11136 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  UCR108837  Juncus xiphioides O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  UCR113866  Juncus xiphioides Mitch Provance 2000-6-24 2070 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR4088  Juncus xiphioides O. F. Clarke 1970-9-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom just east of the old Salt Lake RR Bridge 216 Comment
  UCR80516  Juncus xiphioides A. C. Sanders, O. F. Clarke 1991-6-10 11136 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR93082  Juncus xiphioides A. C. Sanders, S. Ogg 1994-7-28 15176 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 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
  UCR125203  Kochia scoparia Mitch Provance 1998-5-27 546 Riverside City of Riverside, Hillside area, along railroad tracks on the NW corner of Dewey St. and Streeter Ave. 238 Comment
  SD133114  Krascheninnikovia lanata L. LaPre 1991-4-6 91 4 San Bernardino City of Adelanto, north side of Highway 18, 1.4 mile west of Highway U. S. 395. 960 Comment
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Dec 14 2011
  RSA522307  Lactuca serriola Steve Boyd 1989-7-9 3777 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  UCSC000773  Laennecia coulteri G. R. Hall 2001-8-31 s.n. Riverside near Riverside Riverside Comment
  SD227700  Lamarckia aurea A. C. Sanders 1994-5-15 14489 Riverside Mount Rubidoux, ar rodky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River. 399 Comment
  UC38730  Lamarckia aurea E. L. Koethen Apr., 1897 9 Riverside Riverside Comment
  UC914193  Lamarckia aurea H. S. Reed 1935-3-15 Riverside Riverside Comment
  UCR83330  Lamarckia aurea A. C. Sanders 1994-5-15 14489 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UCR117347  Lamium amplexicaule Mitch Provance 1998-3-21 273 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', mesas below (SW of) the Ormand Quarry. 287 Comment
  UCR207784  Lamium amplexicaule O. F. Clarke 2004-3-13 s.n. Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, along the Santa Ana River, West Riverside 226 Comment
  UCR265048  Lamium amplexicaule Mitch Provance 2013-4-8 413- 09 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UC55736  Lastarriaea coriacea H. M. Hall May, 1901 Riverside West Riverside Comment
  UC30436  Lasthenia californica E. L. Koethen 1897-4-1 17 Riverside plains, Riverside Riverside Comment
  CAS-BOT-BC352720  Lasthenia coronaria Geo. B. Grant 1908-3-15 s.n. Riverside Palms to Pines Road, San Jacinto Mountains 1219 Comment
  CAS-BOT-BC352912  Lasthenia coronaria John Thomas Howell 1928-3-11 3415 Riverside Morongo Canon, n. Colorado Desert Comment
  CAS-BOT-BC352914  Lasthenia coronaria Ira L. Wiggins 1941-3-27 9695 Riverside Slopes 4 miles N of Whitewater Comment
  UC1746505  Lasthenia coronaria Mitch Provance 2000-4-8 2009 Riverside Jurupa Mountains; S extension of ''Rattlesnake Mt.'', <100 m W of peak 1739. Comment
  UCR114339  Lasthenia coronaria Mitch Provance 2000-4-8 2009 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  RSA736568  Lasthenia gracilis Keith E. Hoffmaster 1935-3-3 839 Riverside Near Santa Ana River, north of Arlington. Comment
  UC30437  Lasthenia gracilis Geo. R. Hall 1901-3-17 Riverside Riverside Comment
  CSUSB1223  Lathyrus laetiflorus Michael DeJong 1971-4-10 Riverside Found in gulley on the hill behind the apartments on the 5400 block of Olivewood Ave. in city of Riverside. Comment
  UCR114321  Lavatera cretica Mitch Provance 1998-3-30 288 Riverside Riverside, Hillside area, NE corner of Phoenix and Arlington Aves., behind Taco Bell 232 Comment
  CAS-BOT-BC320799  Layia glandulosa H. M. Hall 1904-5-16 4948 Riverside Vicinity of Riverside. Fairmount Park 243 Comment
  SD133173  Layia glandulosa L. LaPre 1991-4-6 91 10 San Bernardino Adelanto, north side of Highway 18. 960 Comment
  UC63258  Layia glandulosa H. M. Hall 1904-5-16 4948 Riverside vicinity Riverside (Fairmount Park); Fairmount Park 243 Comment
  UC30603  Layia platyglossa Geo. R. Hall 1901-3-17 1670 Riverside near Riverside Comment
  UC62891  Layia platyglossa H. M. Hall 1901-5-1 Riverside W Riverside Comment
  UCR114018  Layia platyglossa Mitch Provance 2000-4-8 2008 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  CAS-BOT-BC274339  Leersia oryzoides A. C. Sanders; O. F. Clarke; C. N. P. S. field trip 1991-10-5 11740 Riverside Riverside, Fairmont Park. Along Spring Brook between Lake Evans and the Santa Ana River, ca. 50-100 m below the lake Comment
  LA106896  Leersia oryzoides A. C. Sanders; w/ O. F. Clarke & C. N. P. S. field trip 11740 Riverside Fairmont Park, along Spring Brook between Lake Evans and the Santa Ana River, below the lake 50.0 Comment
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Feb 23 2014
  RSA549244  Leersia oryzoides A. C. Sanders, CNPS field trip, O. F. Clarke 1991-10-5 11740 Riverside Riverside, Fairmount Park. Along Spring Brook between Lake Evans and the Santa Ana River, ca. 50-100 m below the lake. Comment
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Jan 9 2008
  RSA554006  Leersia oryzoides J. C. Roos 1965-11-4 s.n. Riverside Fairmont Park, Riverside Comment
  RSA69836  Leersia oryzoides J. C. Roos, L. Roos 1951-10-24 5345 Riverside Outlet of Fairmount Park Lake 259 Comment
  SD140222  Leersia oryzoides A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11740 Riverside Riverside, Fairmont Park. Along Spring Brook between Lake Evans and Santa Ana River, circa 50-100 meters below the lake. Comment
  UC1608010  Leersia oryzoides A. C. Sanders with O. F. Clarke and C. N. P. S. 1991-10-5 11740 Riverside 50-100 m below Lake Evans (between Lake Evans and Santa Ana River Fairmont Park, along Spring Brook); Riverside, Fairmont Park, Spring Brook Comment
  UCD63582  Leersia oryzoides A. C. Sanders; O. F. Clarke, and C. N. P. S. field trip 1991-10-5 11740 Riverside Riverside, Fairmont Park; along Spring Brook between Lake Evans and the Santa Ana River, ca. 50-100 m. below the lake. Comment
  UCR109728  Leersia oryzoides T. W. Fisher 1963-11-12 s.n. Riverside Santa Ana River, Riverside 213 Comment
  UCR19012  Leersia oryzoides John C. Roos, L. Roos 1951-10-24 5345 Riverside Riverside, shallow stream at outlet of Fairmount Park Lake 238 Comment
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Feb 23 2014
  UCR24002  Leersia oryzoides John C. Roos 1965-11-4 s.n. Riverside Riverside, outlet of lake at Fairmont Park 238 Comment
  UCR71619  Leersia oryzoides A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11740 Riverside Fairmont Park, along Spring Brook between Lake Evans & the Santa Ana River, Riverside 238 Comment
  UCR79070  Leersia oryzoides A. C. Sanders 1993-10-29 14216 Riverside Spring Brook just below Lake Evans in Fairmont Park, Riverside 238 Comment
  UCR272484  Lepidium Mitch Provance 2013-6-16 613- 25 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, El Dorado Park on Warren St., about 0.35 mi W of Van Buren Blvd. 225 Comment
  UCR113898  Lepidium chalepense Mitch Provance 1998-4-13 430 Riverside City of Riverside, Vacant lot on Arlington Ave., between Hillside and Phoenix. 232 Comment
  UCR113899  Lepidium chalepense Mitch Provance 1998-4-13 431 Riverside City of Riverside, Vacant lot on corner of California Ave. and Monroe St. in the Arlington area of Riverside 229 Comment
  UC144134  Lepidium lasiocarpum var. lasiocarpum Charlotte M. Wilder 1908-3-25 1121 Riverside Fairmount Park Riverside Comment
  UCR108833  Lepidium latifolium O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  UCR216444  Lepidium latifolium Nolan M. Ung 2008-5-20 030 Riverside San Bernardino Valley Region, western Riverside near Pedley, Santa Ana River on the west side of Van Buren Blvd. bridge, north bank of the river 208 Comment
  UCR239905  Lepidium latifolium O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UCR65276  Lepidium latifolium Steve Boyd 1989-7-23 3787 Riverside Santa Ana River, Riverside, just downstream of the old city dump at W extension of Rubidoux Ave. Comment
  UCR93064  Lepidium latifolium A. C. Sanders 1994-7-26 15148 Riverside Santa Ana River at the Mission Blvd/7th street Bridge, W foot of Mt. Rubidoux 240 Comment
  UCR111562  Lepidium nitidum Mitch Provance 1998-5-4 1711 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', above the Ormand Quarry, c. 1.5 km west of peak 1739 366 Comment
  UCR114817  Lepidium nitidum Mitch Provance, Seychelle Provance 1998-2-21 97 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon. 396 Comment
  CDA25059  Lepidium strictum Steve Boyd 1989-5-2 3518 Riverside City of Riverside, gravel driveway of residence at 4863 Rubidoux Avenue. 0 Comment
  UCR264639  Lepidium strictum Mitch Provance 2013-4-8 413- 06 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR65295  Lepidium strictum Steve Boyd 1989-5-2 3518 Riverside City of Riverside, Gravel driveway of residence at 4863 Rubidoux Avenue. Comment
  CLARK-A1528-2330  Lepidium virginicum John C. Roos 1952-4-8 5475 Riverside Riverside 259 Comment
  CAS-BOT-BC329447  Lepidospartum squamatum H. M. Hall 1899-8-2 1367 Riverside Gavilan Hills Region 2 mi. sw of Ferris 426 Comment
  RSA320341  Lepidospartum squamatum J. R. Shevock 1981-7-25 8838 Kern Along Caliente Creek wash adjacent to a riparian woodland. 2.5 miles N of Caliente, extreme southern end of the Piute Mountains. 457 Comment
  RSA659770  Leptochloa fusca subsp. uninervia J. C. Roos, L. Roos 1951-10-24 5332 Riverside Flats between Arlington and Pedley 229 Comment
  UCD63996  Leptochloa fusca subsp. uninervia W. W. Winslow 1939-8-9 Riverside Riverside. Comment
  UCSB45529  Leptochloa fusca subsp. uninervia Roos, John; Roos, Lucille 1951-10-24 Riverside Flats between Arlington and Pedley 228 Comment
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Apr 2 2011
  UCR137454  Leptochloa mucronata Steve Boyd 1998-10-4 10293 Riverside Riverside, backyard orchard at 4863 Rubidoux Avenue 244 Comment
  RSA628352  Leptochloa panicea subsp. mucronata Steve Boyd 1998-10-4 10293 Riverside Backyard orchard at 4863 Rubidoux Avenue. Comment
  CLARK-A1528-4715  Leptochloa uninervia John C. Roos, Lucille Roos 1951-10-24 5332 Riverside Riverside 228 Comment
  CLARK-A1528-71  Leptochloa uninervia Fred B. Essig 1966-9-12 Riverside Riverside Comment
  UCR125209  Leptochloa uninervia Mitch Provance 1998-5-24 535 Riverside Jurupa Mountains, S 'Rattlesnake Mt.', near the corner of Alta St. and Canal St. in Rubidoux 396 Comment
  UCR26287  Leptochloa uninervia John C. Roos, L. Roos 1951-10-24 5332 Riverside City of Riverside, between Arlington area and Pedley 229 Comment
  UCR120206  Lessingia filaginifolia Mitch Provance 1998-3-5 194 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  POM361810  Lessingia glandulifera var. glandulifera Lester H. Cushman 1931-11-1 14234 Riverside Near Pedley, Santa Ana River Comment
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Dec 4 2011
  POM319687  Leymus triticoides Patricia Wilder 1971-11-11 5293 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  SEINET251666 Image available Leymus triticoides A. C. Sanders, O. F. Clarke 1991-6-10 11138 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brooke between lake Evans (Fairmont Park) & the Santa Ana River ( Riverside West 7.5 Q.:) 238 Comment
  UC106812  Leymus triticoides H. M. Hall 1904-5-19 4959 Riverside Fairmount Peak Vicinity of Riverside 243 Comment
  UCD87572  Leymus triticoides H. M. Hall 1904-5-19 4959 Riverside Fairmount Park. 243 Comment
  POM10462  Linanthus dianthiflorus subsp. dianthiflorus H. M. Hall 1895-3-1 305 Riverside Riverside Cal. Comment
  POM364581  Linanthus dianthiflorus subsp. dianthiflorus Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
  UC23766  Linanthus parviflorus Geo. R. Hall 1901-3-17 1674 Riverside near Riverside Comment
  CLARK-A1528-4219  Linaria canadensis var. texana John C. Roos 1952-4-9 5504 Riverside Mount Rubidoux Comment
  RSA85440  Linaria canadensis var. texana J. C. Roos 1952-4-9 5504 Riverside north side of Mt. Rubidoux 381 Comment
  CSUSB1431  Lobularia maritima A. P. Donaldson 1966-4-29 S. N. Riverside Collected on sidewalk in front of 3280 McKenzie Street 262 Comment
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Jun 16 2013
  POM48844  Loeflingia squarrosa Stephen Grout, Grout 1905-05 s.n. Riverside West Riverside. Comment
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Jul 24 2010
  UCD134141  Logfia filaginoides J. C. Roos 1952-4-9 5510 Riverside southeast face Mt. Rubidoux, Riverside. 335 Comment
  UCR83196  Logfia filaginoides A. C. Sanders 1994-5-15 14487 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UCR12587  Lolium perenne Robert Ferrone 1972-5-20 s.n. Riverside Riverside: along banks of Santa Ana River below Union Pacific Bridge near Jurupa Ave. 152 Comment
  CSUSB461  Lolium perenne subsp. multiflorum Richard Sayre 1972-5-20 Riverside Santa Ana River Santa Ana River; Jurupa Avenue, in city of Riverside. Comment
  UCR207622  Lolium perenne subsp. multiflorum O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UCR2519  Lolium perenne subsp. multiflorum F. M. Reed 1906-5-27 968 Riverside San Bernardino Valley, Riverside, Grand Avenue opposite Rudolph's Ranch 244 Comment
  UC38797  Lolium temulentum E. A. Zumbro 1899-5-17 Riverside Riverside Comment
  UC70835  Lolium temulentum Geo. R. Hall Sept. 1904 Riverside Riverside Comment
  UCR2529  Lolium temulentum F. M. Reed 1904-6-5 168 Riverside Riverside, outlet to dam in Fairmont Park Comment
  UC56509  Lomatium utriculatum H. M. Hall May, 1901 Riverside West Riverside Comment
  UCR1592  Lonicera japonica R. L. Needham 1962-5-15 10063 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Camp Evans [below Fairmont Park], Boy Scouts of America. 244 Comment
  UCR209166  Lonicera japonica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37156 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  RSA614598  Lotus heermannii A. C. Sanders, Steve Ogg 1994-7-28 15177 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd Bridge 243 Comment
  UCR93065  Lotus heermannii A. C. Sanders, S. Ogg 1994-7-28 15177 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UC62927  Lotus oblongifolius var. oblongifolius H. M. Hall 1897-7-3 681 San Bernardino Santa Ana River Bottom Santa Ana River Comment
  UC62934  Lotus purshianus var. purshianus H. M. Hall 1895-6-23 154 Riverside vicinity Riverside Comment
  CSUSB1258  Lotus scoparius Leland E. Francois 1966-3-27 32766 2 Riverside City of Riverside, lower southeast slope of Mount Rubidoux, just up the slope from Glenwood Drive. 297 Comment
  CLARK-A1528-2806  Lotus strigosus John C. Roos 1952-4-9 5479 Riverside Riverside 259 Comment
  UCR111768  Lotus strigosus Mitch Provance 1998-3-18 225 Riverside City of Riverside, Property along the W side of Stater Bros. near the corner of Colorado Ave. and Adams St. 241 Comment
  CLARK-A1528-2810  Lotus subpinnatus John C. Roos 1952-4-9 5478 Riverside Riverside 259 Comment
  CLARK-A1528-6667  Ludwigia peploides Ken F. Clarke 1971-9-7 Riverside Santa Ana River Comment
  CLARK-A1528-667  Ludwigia peploides Ken F. Clarke 1971-9-7 Riverside Santa Ana River Comment
  CLARK-A1528-668  Ludwigia peploides Rose Gagnon 1968-5-14 680514-2 Riverside Riverside Comment
  RSA69870  Ludwigia peploides subsp. peploides J. C. Roos 1951-9-25 5250 Riverside Fairmount Park 259 Comment
  UCR23195  Ludwigia peploides subsp. peploides Jimbo Behrmann 1981-6-5 18 Riverside Santa Ana River Valley, Louis Rubidoux Nature Center, 1.5 mi. on Riverview Drive in Rubidoux 225 Comment
  UCR71613  Ludwigia repens A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11747 Riverside Santa Ana River Valley, Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake Comment
  RSA549250  Ludwigia repens var. stipitata A. C. Sanders, O. F. Clarke 1991-10-5 11747 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  UC63435  Lupinus concinnus H. M. Hall 1904-5-16 4945 Riverside vicinity Riverside (Fairmount Park); vicinity of Riverside, Fairmount Park 243 Comment
  POM10351  Lupinus concinnus subsp. optatus H. M. Hall 1904-5-19 4945 Riverside Fairmount Park. Comment
  CLARK-A1528-2840  Lupinus hirsutissimus John C. Roos 1952-4-9 5511 Riverside Riverside 380 Comment
  UC63257  Lupinus sparsiflorus H. M. Hall 1904-5-16 4946 Riverside Fairmont Park; vicinity of Riverside 243 Comment
  POM10112  Lupinus sparsiflorus var. inopinatus H. M. Hall 1904-05 4946 Riverside Fairmount Park. Comment
  CSUSB1452  Lupinus succulentus Leland E. Francois 1966-3-21 32166 6 Riverside City of Riverside 100 yards north of intersection of Van Buren Ave. and Acorn St., on Acorn St. Sandy soil along railroad tracks. 274 Comment
  CSUSB1453  Lupinus succulentus Paul D. Wood 1970-4-19 Riverside Riverside, on a hillside at intersection of Indian Hill Road and Ladera Lane. 274 Comment
  CLARK-A1528-2854  Lupinus truncatus John C. Roos 1952-4-9 5512 Riverside Riverside 304 Comment
  UCR120205  Lupinus truncatus Mitch Provance 1998-3-5 195 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  CLARK-A1528-4347  Lycium andersonii John C. Roos 1938-4-27 19 Riverside Riverside Comment
  JEPS11770  Lycium andersonii F. M. Reed 1842-12-5 Riverside Riverside Comment
  RSA13742  Lycopus americanus E. C. Jaeger 1921-08 1165 Riverside Riverside. Comment
  POM10257  Lythrum californicum Unspecified 1903-09 175 Riverside West Riverside bridge Comment
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Apr 7 2011
  UCR6739  Lythrum californicum O. F. Clarke 1967-11-4 671104- 2 Riverside Santa Ana River channel, 0.25 mi. upstream from Salt Lake Railroad Bridge Comment
  CSUSB1553  Machaeranthera tephrodes Jeanne Cox 1973-7-17 S. N. Riverside Near 91 freeway 304 Comment
  CSUSB1447  Malacothamnus fasciculatus Karen Cook 1966-5-19 Riverside North-facing slope at foot of Mount Rubidoux, in Riverside. 243 Comment
  GH420464  Malacothamnus fasciculatus E. C. Jaeger 1921-8-1 Unknown Riverside Comment
  UCR119263  Malacothamnus fasciculatus Mitch Provance 1998-6-10 638 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  UCR125210  Malacothamnus fasciculatus Mitch Provance 1998-5-24 534 Riverside Jurupa Mountains, S 'Rattlesnake Mt.', near the corner of Alta St. and Canal St. in Rubidoux 396 Comment
  CSUSB1448  Malacothamnus fasciculatus var. laxiflorus Dorothy Detrich 1966-5-16 Riverside Riverbottom at base of Mount Rubidoux. Comment
  UC63104  Malacothrix glabrata H. M. Hall May, 1901 Riverside vicinity Riverside; West Riverside Comment
  UCR114324  Malacothrix saxatilis var. tenuifolia Mitch Provance 1998-5-2 485 Riverside Pedley, north side of Clay St., c. 1/8 mile east of intersection with Van Buren Blvd. 229 Comment
  UC1010242  Malva parviflora John and Lucille Roos 1951-5-5 5034 Riverside Riverside, Fairmont Park Fairmont Park; Riverside, Fairmont Park 274 Comment
  UCR25194  Malva parviflora John C. Roos, L. Roos 1951-5-5 5034 Riverside Fairmont Park. 274 Comment
  UCSB45543  Malva parviflora Roos, John; Roos, Lucille 1951-5-5 Riverside Fairmont Park, Riverside Comment
  POM10230  Malvella leprosa Unspecified 1904-5-7 36 Riverside west Riverside [Rubidoux] Comment
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Sep 5 2011
  UCR272498  Malvella leprosa Mitch Provance 2013-6-18 613- 33 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  UCR272499  Malvella leprosa Mitch Provance 2013-6-16 613- 23 B Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  UCR278868  Malvella leprosa Mitch Provance 2011-6-9 17196 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  CSUSB1680  Marrubium vulgare Jeanne Cox 1973-7-16 Riverside Near 91 freeway in Riverside. 304 Comment
  CAS-BOT-BC71090  Marsilea vestita W. G. Wright; C. G. Pringle 1881-1-1 s.n. Riverside Riverside Comment
  CAS-BOT-BC71091  Marsilea vestita C. G. Pringle August 7 s.n. Riverside Riverside Comment
  UC163358  Marsilea vestita subsp. vestita Dr. Pringle Riverside west Riverside Riverside Comment
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Sep 8 2011
  UCR120167  Matricaria matricarioides Mitch Provance 1998-3-5 188 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  CDA4189  Medicago lupulina Steve Boyd 1989-7-9 3775 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  UCR3350  Medicago polymorpha T. R. Plumb 1964-5-3 s.n. Riverside Riverside, collector's backyard 335 Comment
  CSUSB1095  Medicago sativa Arthur P. Donaldson 1966-3-16 Riverside Collected in front of the Arlington Flower Shop at 9693 Magnolia Ave., Arlington, Ca. 259 Comment
  CLARK-A1528-4724  Melica frutescens John C. Roos 1952-4-9 5492 Riverside Riverside 396 Comment
  RSA85572  Melica frutescens J. C. Roos 1952-4-9 5492 Riverside Mt. Rubidoux 396 Comment
  UCR23300  Melica frutescens John C. Roos 1952-4-9 5492 Riverside Riverside, E slope of Mount Rubidoux 396 Comment
  UC69354  Melica imperfecta Geo. R. Hall 1901-3-31 1714 Riverside near Riverside Comment
  UCD88017  Melica imperfecta F. M. Reed 1919-1 4090 Riverside Rubidoux mountains, near riverside. Comment
  UCR2547  Melica imperfecta F. M. Reed 1919-4-20 4090 Riverside Rubidoux Mountain, Riverside 396 Comment
  CLARK-A1528-2861  Melilotus albus John C. Roos 1965-7-3 Riverside Riverside Comment
  CLARK-A1528-508  Melilotus albus Ken F. Clarke 1971-9-7 Riverside Riverside Comment
  CLARK-A1528-511  Melilotus albus Ken F. Clarke 1971-9-7 Riverside Riverside Comment
  UCR41432  Melilotus albus Scott Cantrell, W. Appleby 1985-9-19 s.n. Riverside Santa Ana River Regional Park. south side of the river 207 Comment
  CSUSB1087  Melilotus indicus Nancy J. Matthews 1963-5-16 51663 1 Riverside 50 yards west of spillway- next to American Legion Hall at Faimount Park in city of Riverside. 304 Comment
  CSUSB1109  Melilotus indicus Leland E. Francois 1966-3-27 32766 1 Riverside City of Riverside, lower southeast slope of Mount Rubidoux, just up the slope from Glenwood Drive. 297 Comment
  CSUSB1119  Melilotus indicus Arthur P. Donaldson 1966-5-19 Riverside Collected from the Santa Ana River Bottom at it's entrance to Fairmount Park in the city of Riverside. 262 Comment
  CSUSB1137  Melilotus indicus Steve Walker 1966-5-13 Riverside City of Riverside, Santa Ana River-bottom, west of Fairmount Park 0.5 mile. 304 Comment
  UCR114318  Mentha Mitch Provance 1998-3-21 271 B Riverside Jurupa Hills, Sunnyslope, near the Ormand Quarry, at the corner of 30th St. and Sierra Ave. 274 Comment
  RSA69819  Mentha aquatica J. C. Roos 1951-9-25 5289 Riverside West end Fairmount Park 259 Comment
  UCR71616  Mentha aquatica A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11746 Riverside Santa Ana River Valley, Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake Comment
  POM13741  Mentha canadensis E. C. Jaeger 1921-8-21 1164 Riverside Riverside. Comment
  RSA10092  Mentha canadensis F. M. Reed 1903-8-29 308 Riverside River bottom near Chinatown Ford Comment
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Sep 5 2011
  RSA549249  Mentha canadensis A. C. Sanders, O. F. Clarke 1991-10-5 11746 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  CLARK-A1528-573  Mentha citrata John C. Roos 1951-9-25 5289 Riverside Riverside 259 Comment
  CLARK-A1528-3103  Mentha spicata John C. Roos 1952-8-6 5881 Riverside Fairmont Park 259 Comment
  UCR120326  Mentha spicata Mitch Provance 1998-7-23 927 Riverside Jurupa Mountains, Sunnyslope area, c. 0.5 mile east of 34th St. and Armstrong Road 274 Comment
  UCR18812  Mentha spicata John C. Roos 1952-8-6 5881 Riverside San Bernardino Valley, Riverside, W end of Fairmont Park 259 Comment
  POM10382  Mentzelia affinis Charlotte M. Wilder 1906-05 7 Riverside Salt Lake fill [Salt Lake RR Bridge over Santa Ana River, Riverside] Comment
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Sep 4 2011
  UC56511  Mentzelia affinis H. M. Hall may 1901 Riverside West Riverside Comment
  CSUSB921  Mentzelia micrantha Richard L. Irwin 1962-4-21 0038 Riverside Beneath center of Crestmore Road bridge over Santa Ana River 243 Comment
  UCR12576  Mentzelia micrantha Bill Schultz 1972-4-30 720430- 6 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn where palm trees are west of dump 2 mi south of Mt. Rubidoux 305 Comment
  UCR207511  Mentzelia micrantha O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UC68823  Mimulus brevipes Bertha E. Brittain 1905-5-30 Riverside near Riverside Comment
  UCR15993  Mimulus brevipes Kenneth Hibberd 1966-4-10 660410- 01 Riverside Riverside, Arlington Ave., 1 mile east of Victoria St 305 Comment
  UCR115928  Mimulus cardinalis Mitch Provance, Seychelle Provance 1999-8-15 1744 Riverside Riverside, Santa Ana Riverbottom just on the north side of the Mission Bridge 238 Comment
  RSA614599  Mimulus floribundus A. C. Sanders, Steve Ogg 1994-7-28 15182 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd Bridge 243 Comment
  UCR12597  Mimulus floribundus Bill Schultz 1972-4-30 720430- 10 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn where palm trees are west of dump 2 mi south of Mt. Rubidoux 305 Comment
  UCR93071  Mimulus floribundus A. C. Sanders, S. Ogg 1994-6-28 15182 Riverside Santa Ana River between the Hwy 60 bridge and the Mission Blvd. Bridge 241 Comment
  CSUSB1923  Mimulus guttatus Debbie Vigneault 1974-7-8 Riverside Santa Ana River Santa Ana River bottom, near Van Buren Blvd. 259 Comment
  CSUSB947  Mimulus guttatus Linda Stangor Riverside Santa Ana River Santa Ana River bottom, near old railroad bridge. Comment
  UC56259  Mimulus guttatus H. M. Hall 1902-4-23 2957 Riverside vicinity Riverside; Santa Ana River 228 Comment
  UCR12595  Mimulus guttatus Bill Schultz 1972-4-30 720430- 7 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn where palm trees are west of dump 2 mi south of Mt. Rubidoux 305 Comment
  UCR15997  Mimulus guttatus S. Nelson 1974-5-9 s.n. Riverside Santa Ana River Park 244 Comment
  UCR216241  Mimulus guttatus Oleg Pryadko 2008-5-2 052 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR265019  Mimulus guttatus Mitch Provance 2013-4-8 413- 14 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR113885  Mimulus pilosus Mitch Provance 2000-6-24 2041 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR216246  Mimulus pilosus Oleg Pryadko 2008-5-2 087 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR93070  Mimulus pilosus A. C. Sanders 1994-7-26 15152 Riverside Santa Ana River at the Mission Blvd/7th street Bridge, W foot of Mt. Rubidoux 240 Comment
  CAS-BOT-BC434688  Mirabilis laevis var. crassifolia Mitch Provance 1998-5-4 1712 Riverside Jurupa Mountains: SW Rattlesnake Mt., above the Ormand Quarry, ca. 1.5 km W of peak 1739. 366 Comment
  CAS-BOT-BC434690  Mirabilis laevis var. crassifolia G. P. Rixford 1915-4-3 s.n. Riverside Riverside Comment
  UC465713  Mirabilis laevis var. crassifolia I. J. Condit May 1926 Riverside Rubidoux Comment
  UCR114329  Miscanthus sinensis Mitch Provance 1998-9-28 1159 Riverside City of Riverside, Hillside area, Joseph and Socorro Gomez residence, 5575 Dean Way. 238 Comment
  UCR277701  Modiola caroliniana Mitch Provance 2013-4-16 413- 22 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  CAS-BOT-BC220381  Monardella pringlei Ethel H. Campbell 1921-5-1 s.n. Riverside Between Riverside and Ontario 300 Comment
  CLARK-A1528-414  Monolepis nuttalliana Oscar F. Clarke 1970-9-24 Riverside Riverside Comment
  OBI41022  Monolepis nuttalliana Oscar F. Clarke 1970-9-24 s.n. Riverside Along the Santa Ana river bottom just E of old Salt Lake river Bridge, Riverside Comment
  RSA304548  Monolepis nuttalliana O. F. Clarke 1970-9-24 s.n. Riverside Santa Ana River bottom just east of the old Salt Lake River Bridge, Riverside. Comment
  UC465463  Monolepis nuttalliana Fred M. Reed 1906-5-19 961 Riverside Rubidoux <Ave. or Riv. ?> near Grand; Rubidoux <Ave. or Riv. ?> Comment
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Mar 10 2011
  UCR17343  Monolepis nuttalliana O. F. Clarke 1970-9-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom just east of the old Salt Lake RR Bridge 216 Comment
  RSA0010790  Morus alba A. C. Sanders, O. F. Clarke 1991-6-10 11121 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR132709  Morus alba A. C. Sanders, O. F. Clarke 1991-6-10 11121 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  CLARK-A1528-76  Muhlenbergia asperifolia John C. Roos 1951-9-25 5257 Riverside Riverside 259 Comment
  RSA69814  Muhlenbergia asperifolia J. C. Roos 1951-9-25 5257 Riverside West end Fairmount Park 259 Comment
  UC53724  Muhlenbergia asperifolia E. L. Koethen 1897-8-12 1 Riverside Riverside Comment
  UCR25621  Muhlenbergia asperifolia John C. Roos 1951-9-25 5257 Riverside City of Riverside, west end of Fairmount Park 259 Comment
  UCR2779  Muhlenbergia asperifolia F. M. Reed 1906-8-19 1172 Riverside Santa Ana River bed near West Riverside Bridge 236 Comment
  CLARK-A1528-4754  Muhlenbergia microsperma John C. Roos 1952-4-9 5507 Riverside Riverside 365 Comment
  UCR2587  Muhlenbergia microsperma Mrs. Barton 1908-1 s.n. Riverside Rubidoux Mtn, Riverside Comment
  UCR83407  Muhlenbergia microsperma A. C. Sanders 1994-5-15 14490 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  CAS-BOT-BC515559  Muilla maritima Mitch Provance 2000-4-8 2006 Riverside Jurupa Mountains, south extension of Rattlesnake Mountain, less than 100 meters west of peak 1739 518 Comment
  UCR113565  Muilla maritima Mitch Provance 2000-4-8 2006 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  UCR6184  Muilla maritima C. M. Bringle, H. Johnston 1967-4-22 B670422- 7 Riverside Jurupa, [Pedley Hills] at end of Sedona Drive off Jurupa Road, west of Mission Blvd. Hillside with red water storage tank. 'el. 800 ft.' 305 Comment
  UCR222401  Myoporum insulare A. C. Sanders, Andrew Chen 2011-1-5 38704 Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, Santa Ana River, Jurupa area of Riverside, SE of Riverview Dr. and west of Rio Rd. 223 Comment
  CAS-BOT-BC243703  Myoporum laetum A. C. Sanders 2003-1-14 25664 Riverside Lois Rubidoux Nature Center, Santa Ana River, Riversdie WEst 7.5' Q., San Bernardino Valley Region 219 Comment
  RSA0010810  Myoporum laetum A. C. Sanders 2003-1-14 25664 Riverside San Bernardino Valley Region: Louis Rubidoux Nature Center, Santa Ana River. 220 Comment
  UCR125283  Myoporum laetum A. C. Sanders 2003-1-14 25664 Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, Santa Ana River 220 Comment
  SEINET239060  Nassella cernua Mitch Provance 2000-4-8 2007 Riverside Jurupa Mountains: S extension of 'Rattlesnake Mt.' <100m W of Peak 1739. (Fontana 7.5' Q.) 488 Comment
  UCD87920  Nassella lepida F. M. Reed 1919-4-20 4091 Riverside Rubidoux Mountain. 548 Comment
Read comments
May 1 2011
  POM10294  Nasturtium officinale H. M. Hall 1897-6-6 300 Riverside Riverside. Comment
  UCR17617  Navarretia hamata O. F. Clarke, J. M. Harper, Helen Leach 1966-5-27 s.n. Riverside Santa Ana River bottom below the city sewage treatment plant Comment
  POM4574  Nemacladus longiflorus var. longiflorus S. B. Parish 1917-6-11 11304 Riverside Santa Ana River. Comment
  UC416792  Nemacladus longiflorus var. longiflorus Fred M. Reed 1907-5-26 1367 Riverside n of Rubidoux Mt. (San Ana River banks, Riverside and vicinity); Riverside, Santa Ana River Comment
  UCR265850  Nicotiana Mitch Provance 2013-4-8 413- 10 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR113857  Nicotiana acuminata var. multiflora Mitch Provance 2000-6-24 2040 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CLARK-A1528-884  Nicotiana bigelovii C. M. Flanagan 1973-5-22 OO 903 Riverside Rubidoux 228 Comment
  CSUSB935  Nicotiana bigelovii Kenneth Hibberd 1966-4-10 660410 3 Riverside Arlington Ave., 1 mile east of Victoria St. in the city of Riverside. 304 Comment
  CLARK-A1528-887  Nicotiana glauca Fred B. Essig 1966-9-12 Riverside Riverside Comment
  UCR2914  Nicotiana glauca Nancy Atha 1963-3-24 32463- 8 Riverside Upper Santa Ana River/San Bernardino Valley region, Riverside, NW side of [Quarry Hill] at the corner of Madison St. and Victoria Ave 335 Comment
  UC129476  Nicotiana quadrivalvis H. M. Hall 1907-7-2 8007 Riverside vicinity Riverside (Santa Ana River); Santa Ana River 274 Comment
  UC444935  Nicotiana quadrivalvis F. M. Reed 1905-9-25 247 Riverside Riverside Comment
  UCR120327  Nierembergia frutescens Mitch Provance 1998-7-23 931 Riverside Jurupa Mountains, Sunnyslope area, c. 0.5 mile east of 34th St. and Armstrong Road 274 Comment
  POM13743  Nitrophila occidentalis E. C. Jaeger 1921-8-1 1166 Riverside Along river at Riverside. Comment
  CLARK-A1528-35  Notholaena newberryi John C. Roos, Lucille Roos 1951-10-27 5348 Riverside Riverside 304 Comment
  CLARK-A1528-3571  Notholaena newberryi John C. Roos, Lucille Roos 1951-10-27 5348 Riverside Riverside 304 Comment
  SEINET11177603  Ocimum gratissimum Unknown 2014-4-10 s.n. Riverside Riverside Comment
  UC63697  Oenanthe sarmentosa W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Santa Ana River, Spring Brook 259 Comment
  CAS-BOT-BC171493  Oenothera californica Ethel H. Campbell 1921-5-1 1 a Riverside Between Riverside & Ontario Comment
  CLARK-A1528-669  Oenothera californica Becky Alejandre 1970-5-7 Riverside Riverside 408 Comment
  POM355307  Oenothera californica subsp. californica Ora M. Clark 1929-4-6 1932 Riverside W. Riverside. Comment
  UC56462  Oenothera californica subsp. californica H. M. Hall 1902-4-23 2956 Riverside S. Ana River vicinity of Riverside 243 Comment
  POM226795  Oenothera elata subsp. hirsutissima P. A. Munz 1934-9-30 13238 Riverside Foot of Mt. Roubidoux, Riverside. Comment
  POM226796  Oenothera elata subsp. hirsutissima P. A. Munz 1934-9-30 13238 Riverside Foot of Mt. Roubidoux, Riverside. Comment
  UC1007107  Oenothera elata subsp. hirsutissima P. A. Munz 1934-9-30 13238 Riverside foot of Mt. Roubidoux Riverside Comment
  UCR113976  Oenothera elata subsp. hirsutissima Mitch Provance 2000-6-24 2044 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR113977  Oenothera elata subsp. hookeri Mitch Provance 2000-6-24 2045 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR6153  Oenothera speciosa A. P. Donaldson 1966-4-11 s.n. Riverside 0.4 mi from the corner of Van Buren and Magnolia Ave. toward the Riverside Freeway in Arlington 259 Comment
  RSA604766  Olea africana A. C. Sanders 1996-10-23 19643 Riverside Rubidoux Mt, NE foot of the Mtn above the end of 9th Street. 305 Comment
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Jun 26 2008
  UCR95618  Olea africana A. C. Sanders 1996-10-23 19643 Riverside Riverside: Mt. Rubidoux, NE foot of the mountain above the end of 9th St. 305 Comment
  RSA799666  Oncosiphon piluliferum LeRoy Gross, Bart O'Brien 2013-3-18 5950 Riverside Fairmount Park, west side of Lake Evans. Riverside. Northeast of Mount Rubidoux. 238 Comment
  SD262202  Oncosiphon piluliferum Steve Boyd 2017-4-19 12324 Riverside City of Riverside, residential lot at 4376 Beechwood Place (Riverside West 7.5'Q) 228 Comment
  UCR216240  Oncosiphon piluliferum Oleg Pryadko 2008-5-2 051 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR249221  Oncosiphon piluliferum LeRoy Gross, Bart O'Brien 2013-3-18 5950 Riverside Coastal Plains and Basins; San Bernardino Basin Region, Fairmount Park, west side of Lake Evans, Riverside, NE of Mt. Rubidoux 238 Comment
  UCR252209  Oncosiphon piluliferum J. Mendoza 2011-5-13 s.n. Riverside Santa Ana River Regional Park near Louis Rubidoux Nature Center 221 Comment
  UCR280191  Oncosiphon piluliferum Steve Boyd 2017-4-19 12324 Riverside City of Riverside, residential lot at 4376 Beechwood Place 229 Comment
  RSA381559  Opuntia leucotricha A. C. Sanders, M. Bogen 1987-5-28 7105 -B Riverside Riverside; a roadside waif on fill along van Buren Blvd. Near the bridge over the Santa Ana River. at Riverside sewer plant. 244 Comment
  SEINET2057439  Opuntia leucotricha Mira M. Bogen, W. H. Earle 1987-5-10 Riverside Along Van Buren Blvd. between bridge over Santa Ana River and sewer plant, dirsturbed area by raodside. 210 Comment
  UCR47518  Opuntia leucotricha A. C. Sanders, Mira M. Bogen 1987-5-28 7105 B Riverside City of Riverside, along Van Buren Boulevard, near the bridge over the Santa Ana River, at Riverside sewer plant 244 Comment
  UCR19404  Oxalis corniculata C. S. Papp 1963-6-10 269 Riverside Collector's backyard in Riverside [Papp residence] Comment
  UCR99181  Oxalis rubra W. W. Mayhew 1991-4-24 s.n. Riverside city of Riverside, 6954 Coronado Way. Comment
  CLARK-A1528-1258  Panicum capillare John C. Roos 1951-9-25 5255 Riverside Riverside 259 Comment
  POM78935  Panicum capillare I. M. Johnston 1925-7-1 s.n. Riverside Riverside Comment
  POM78993  Panicum capillare I. M. Johnston 1925-7-19 s.n. Riverside Pedley-Arlington Road. Comment
  RSA69872  Panicum capillare J. C. Roos 1951-9-25 5255 Riverside Fairmount Park 259 Comment
  UC147835  Panicum capillare H. M. Hall Aug. 1901 Riverside vicinity Riverside; vicinity of Riverside 304 Comment
  UCR3744  Panicum capillare O. F. Clarke 1970-9-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom just east of the old Salt Lake RR Bridge 216 Comment
  CLARK-A1528-80  Panicum capillare var. occidentale John C. Roos 1951-9-25 5255 Riverside Riverside 259 Comment
  CAS-BOT-BC253855  Panicum miliaceum Gordon Sun 1916-8-1 s.n. Riverside Top of St. John's Grade Comment
  CDA4250  Parkinsonia aculeata A. C. Sanders, O. F. Clarke 1991-6-1 11124 Riverside Upper Santa Ana River/San Bernardino Valley. Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River. Comment
  CSUSB1107  Parkinsonia aculeata R. Van Curen 1970-5-20 28 Riverside Base of Mount Rubidoux at Exit. Roadside. 259 Comment
  UCR132711  Parkinsonia aculeata A. C. Sanders, O. F. Clarke 1991-6-10 11124 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  CLARK-A1528-4791  Paspalum dilatatum John C. Roos 1951-9-25 5262 Riverside Riverside 259 Comment
  CLARK-A1528-83  Paspalum dilatatum John C. Roos 1951-9-25 5262 Riverside Riverside 259 Comment
  SBBG104653  Paspalum dilatatum M. A. Patten 1992-5-27 92 -18 San Bernardino Green River Golf Club 152 Comment
  POM319685  Paspalum distichum Patricia Wilder 1971-11-11 5292 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  UC53709  Paspalum distichum E. L. Koethen 1897-8-12 7 Riverside Riverside Comment
  UCR113937  Paspalum distichum Mitch Provance 2000-6-24 2066 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR111561  Pectocarya linearis Mitch Provance 1998-5-4 1710 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', above the Ormand Quarry, c. 1.5 km west of peak 1739 366 Comment
  UCR239797  Pectocarya linearis 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
  CLARK-A1528-927  Pectocarya linearis subsp. ferocula Patricia A. Andrews 1975-3-13 5901 Riverside Rubidoux Comment
  UCD120163  Pectocarya penicillata L. LaPre 1991-4-6 91 - San Bernardino City of Adelanto, north side of Highway 18, 1.4 miles west of Highway US 395. 960 Comment
  UCR239798  Pectocarya penicillata O. F. Clarke 2004-3-14 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge 215 Comment
  SD227704  Pennisetum setaceum A. C. Sanders 1994-5-15 14485 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River 399 Comment
  UCR120159  Pennisetum setaceum Mitch Provance 1998-3-5 185 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR83331  Pennisetum setaceum A. C. Sanders 1994-5-15 14485 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  SBBG81107  Persicaria lapathifolia S. Cantrell, W. Appleby 1985-9-19 Riverside Santa Ana River Regional Park, S side of river 207 Comment
  SD114138  Persicaria lapathifolia Darley F. Howe 1945-9-21 1365 Riverside Ditch by road, Arlington Comment
  UC57139  Petunia hybrida H. M. Hall Apr. 1903 3818 San Bernardino Riverside, Calif. Comment
  UCR14316  Petunia parviflora A. C. Sanders 1974-3-24 621 Riverside Santa Ana River Valley, Santa Ana Riverbottom near city dump, Riverside; at mouth of Arroyo Tequesquite 244 Comment
  UCR207551  Phacelia brachyloba O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UCR215971  Phacelia brachyloba Oleg Pryadko 2008-5-2 059 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR6119  Phacelia brachyloba Dorothy Detrich 1966-5-16 49 Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom at base of Mount Rubidoux 236 Comment
  UCR90049  Phacelia cicutaria var. hispida P. F. Horner 1972-5-2 37 Riverside Santa Ana River Valley, Riverside, Santa Ana River bottom, near Union Pacific Railroad Bridge 213 Comment
  CSUSB132  Phacelia distans Karen Cook 1966-5-16 Riverside Santa Ana River bottom, east of Van Buren Ave. in city of Riverside. 182 Comment
  RSA85090  Phacelia distans J. C. Roos 1952-4-9 5493 Riverside Riverside, W face of Mt. Rubidoux. 400 Comment
  UC56705  Phacelia distans Geo. R. Hall 1901-3-17 Riverside Riverside 304 Comment
  UCR115934  Phacelia distans Mitch Provance 1998-4-7 1777 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon 396 Comment
  UC144133 Image available Phacelia douglasii var. cryptantha Charlotte M. Wilder 1908-3-28 873 Riverside sandy flat north of pond, Fairmount Park, Riverside, Cal. Comment
  CLARK-A1528-562  Phacelia minor 1947-3-21 5 Riverside Rubidoux 365 Comment
  SD227838  Phacelia minor A. C. Sanders 1994-5-15 14482 Riverside Mount Rubidoux on NW side of Riverside on the east bank of the Santa Ana River. 399 Comment
  UCR83195  Phacelia minor A. C. Sanders 1994-5-15 14482 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UCR277765  Phacelia ramosissima Mitch Provance 2011-7-29 17041 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  UC63812  Phacelia ramosissima var. latifolia H. M. Hall June 1899 Riverside Fairmount Hill Riverside Comment
  RSA666662  Phacelia stellaris O. F. Clarke, Helga Forster 2000-03 s.n. Riverside Riverside, west of Santa Ana River oppsoite the south end of Mt. Rubidoux, SE of Flabob Airport, s of bend in Crestmore Rd. and 2 mi. S of Mission Blvd., E of co. Parks Hqtrs. 229 Comment
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Feb 7 2007
  UCR123223  Phacelia stellaris O. F. Clarke, Helga Forster 2000-1 s.n. Riverside San Bernardino Valley region, Riverside, west side of Santa Ana River opposite the south end of Mt. Rubidoux, SE of Flabob Airport, south of bend in Crestmore Rd. and 2 mi. south of Mission Blvd., east of Co. Parks Hqtrs. 229 Comment
  UC76970  Phalaris canariensis F. M. Reed 1904-5-24 589 Riverside Riverside Comment
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Oct 14 2013
  UCR113848  Phalaris canariensis Mitch Provance 2000-6-24 2055 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR2654  Phalaris minor F. M. Reed 1906-5-27 967 Riverside San Bernardino Valley, Riverside, Grand Avenue opposite Rudolph's Ranch 244 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
  CLARK-A1528-4421  Phoradendron longispicum John C. Roos 1952-3-26 5420 Riverside Riverside 259 Comment
  UCR181058  Phoradendron macrophyllum Mitch Provance 2001-3-3 3521 Riverside San Bernardino Valley, Vicinity of Casa Blanca, NW corner of St. Lawrence St. and Victoria Avenue 274 Comment
  POM10222  Phyla lanceolata F. M. Reed 1906-7-8 1130 Riverside West Riverside. Comment
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Jul 4 2010
  JEPS8969  Physalis philadelphica Mr. McGraw 1904-1 Riverside Riverside Comment
  POM49151  Physalis philadelphica Stephen Grout s.n. Riverside Riverside, W of house near tannery, Rubidoux. Comment
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Jun 9 2012
  UC64878  Physalis philadelphica H. M. Hall 1897-7-3 Riverside near Riverside Comment
  CLARK-A1528-279  Picris echioides John C. Roos 1951-9-25 5280 Riverside Riverside 259 Comment
  UCR113861  Picris echioides Mitch Provance 2000-6-24 2056 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  HSC92883  Pinus torreyana A. C. Sanders 1995-12-21 17939 Riverside Riverside: yard at 5081 Magnolia Ave 259 Comment
  UCR265847  Piptatherum miliaceum Mitch Provance 2013-4-8 413- 16 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR67003  Piptatherum miliaceum S. J. Myers 1990-12-10 s.n. Riverside Santa Ana River Valley, Louis Rubidoux Nature Center: along the drainage that connects to the Sunnyslope channel and to the confluence with the Santa Ana River 214 Comment
  CAS-BOT-BC170425  Pistacia atlantica A. C. Sanders 1994-5-15 14480 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River 400 Comment
  SD227712  Pistacia atlantica A. C. Sanders 1994-5-15 14480 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River. Comment
  UCR209164  Pistacia atlantica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37157 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UCR83198  Pistacia atlantica A. C. Sanders 1994-5-15 14480 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  POM368913  Plagiobothrys collinus var. californicus Albert J. Perkins 1895-04 s.n. Riverside Near Riverside, Calif. Comment
  CLARK-A1528-340  Plagiobothrys nothofulvus unknown 1966-3-24 Riverside Pedley Comment
  RSA660904  Plantago erecta Mitch Provance 1998-4-9 407 Riverside VABM 1031, Hill traditionally called ''Lionshead'', or variously referred to as ''Challen Hill'', located near the corner of Harrison St. and California Ave. in the Arlington area of the city of Riverside. 259 Comment
  UCR113886  Plantago erecta Mitch Provance 1998-4-9 407 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 259 Comment
  UCR115936  Plantago erecta Mitch Provance 1998-4-7 1779 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon 396 Comment
  UC124605  Plantago lanceolata Geo. R. Hall 1908-1 8485 Riverside Riverside Comment
  CLARK-A1528-697  Plantago major John C. Roos 1951-9-25 5274 Riverside Riverside 259 Comment
  CSUSB1314  Plantago major Margaret-Lee Dean 1965-4-23 Riverside 3908 Linwood Place, Riverside 262 Comment
  UCR1586  Plantago major R. L. Needham 1962-5-15 10065 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Camp Evans [below Fairmont Park], Boy Scouts of America. 244 Comment
  CSUSB1033  Platanus racemosa A. Belding 1967-5-12 S.N. Riverside B.S.A. Camp Evans, at the end of Indian Hill Rd. Riparian Valley Comment
  JEPS40287  Platanus racemosa W. L. Jepson 1901-6-2 14871 Riverside Santa Ana River bottom Comment
  RSA445708  Platystemon californicus E. Mannatt 1931-4-19 s.n. Riverside Riverside Comment
  POM10244  Pluchea odorata E. A. Zumbro 1903-05 s.n. Riverside Riverside Comment
  POM4878  Pluchea odorata Geo R. Hall 1905-09 s.n. Riverside Riverside Comment
  RSA472111  Pluchea odorata Lester H. Cushman 1931-10 14036 Riverside Santa Ana River near Riverside, streamside Comment
  UCR114342  Pluchea odorata Mitch Provance, S. D. Boyd 1999-9-14 1786 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
  UC35681  Pluchea odorata var. odorata E. G. Koethen 1897-10-16 A Riverside w Riverside Comment
  UC73998  Pluchea odorata var. odorata Geo. R. Hall Sept 1905 Riverside near Riverside Comment
  CLARK-A1528-280  Pluchea purpurascens Ken F. Clarke 1971-9-7 Riverside Santa Ana River Comment
  CLARK-A1528-282  Pluchea purpurascens Fred B. Essig 1966-9-12 Riverside Santa Ana River Comment
  CLARK-A1528-283  Pluchea sericea John C. Roos, Lucille Roos 1951-10-24 5340 Riverside Pedley 228 Comment
  CLARK-A1528-5377  Pluchea sericea John C. Roos, Lucille Roos 1951-10-24 5340 Riverside Pedley 228 Comment
  POM10245  Pluchea sericea H. M. Hall 1904-5-24 4958 Riverside Along Santa Ana River, near Riverside Comment
  POM319673  Pluchea sericea Patricia Wilder 1971-11-11 5305 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  UCR92591  Pluchea sericea F. M. Reed 1904-6-12 594 Riverside Riverside, along Santa Ana River, near sewer outfall 244 Comment
  UC1713243  Poa annua unknown April 1917 Riverside Riverside Comment
  RSA0105849  Polycarpon tetraphyllum Alan Romspert 2000-7-26 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR17333  Polygonum argyrocoleon O. F. Clarke 1978-10-20 s.n. Riverside Riverside; Rubidoux area, 0.5 mi. north of Santa Ana River, north side of Limonite, 0.3 mi west of Clay St. intersection Comment
  UCR67000  Polygonum hydropiperoides S. J. Myers 1990-12-5 s.n. Riverside Santa Ana River, Louis Rubidoux Nature Center, along drainage that connects to Sunnyslope Channel, and to the confluence with the Santa Ana River 213 Comment
  CLARK-A1528-760  Polygonum lapathifolium Fred B. Essig 1966-9-12 Riverside Riverside Comment
  POM10481  Polygonum lapathifolium F. M. Reed 1904-11-6 s.n. Riverside River bottom at Evans Ranch, Riverside Comment
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Jul 4 2010
  UC56641  Polygonum lapathifolium H. M. Hall Aug. 1901 Riverside Vicinity of Riverside 304 Comment
  UCR120340  Polygonum lapathifolium Mitch Provance 1998-7-23 929 Riverside Jurupa Mountains, Sunnyslope area, c. 0.5 mile east of 34th St. and Armstrong Road 274 Comment
  UCR16526  Polygonum lapathifolium Emily E. McGregor 1972-4-15 s.n. Riverside Santa Ana River bottom, off Fremont Drive Comment
  RSA528096  Polygonum punctatum S. J. Myers 1990-12-5 s.n. Riverside Louis Rubidoux Nature Center: along the drainage that connects to the Sunnyslope Channel, and to the confluence with the Santa Ana River. (Near 33d 58'N, 117D 27'W) 213 Comment
  UC39738  Polypogon interruptus E. L. Koethen 1897-8-12 4 Riverside Riverside Comment
  CLARK-A1528-87  Polypogon monspeliensis Fred B. Essig 1967-6-22 Riverside Santa Ana River Comment
  CSUSB467  Polypogon monspeliensis Richard Sayre 1972-5-20 Riverside Santa Ana River Santa Ana River; Jurupa Avenue, in city of Riverside. Comment
  CSUSB468  Polypogon monspeliensis Emily E. McGregor 1972-4-15 Riverside Santa Ana River Santa Ana River bottom, off Freemont Drive. Comment
  UCD91375  Polypogon monspeliensis Fred M. Reed 1906-5-19 960 Riverside Riverside and vicinity. Rubidoux Ave. near Brockton. 228 Comment
  UCR114316  Polypogon monspeliensis Mitch Provance 1998-3-21 271 A Riverside Jurupa Hills, Sunnyslope, near the Ormand Quarry, at the corner of 30th St. and Sierra Ave. 274 Comment
  UCR207621  Polypogon monspeliensis O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UCR2723  Polypogon monspeliensis F. M. Reed 1906-5-19 960 Riverside Riverside, Rubidoux Ave. near Brockton Ave. 250 Comment
  UCR209167  Populus balsamifera subsp. trichocarpa A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37158 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  CLARK-A1528-835  Populus fremontii Ken F. Clarke 1971-9-7 Riverside Riverside Comment
  UCR16998  Populus fremontii Arthur Douglas 1969-5-22 25 Riverside Near Arlington. Below W end of Fremont Street, in vicintiy of Santa Ana River 183 Comment
  UCR239841  Populus fremontii O. F. Clarke 2004-7-5 s.n. Riverside Louis Rubidoux Nature Center at RR bridge, Santa Ana River near Riverside 155 Comment
  UCR3415  Populus fremontii H. M. Whistler 1964-5-3 640503- 01 Riverside San Bernardino Valley Region, city of Riverside, Santa Ana River bottom, 0.25 mi north of Buena Vista Ave. on Scout Lane 244 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
  SBBG125914  Populus fremontii subsp. fremontii L. Gross with B. O'Brien 2013-3-18 5951 Riverside Fairmount Park, W side of Lake Evans, NE of Mount Rubidoux 238 Comment
  SD233936  Populus fremontii subsp. fremontii LeRoy Gross, Bart OBrien 2013-3-18 5951 Riverside Coastal Plains & Basins; San Bernardino Basin region: Fairmount Park, west side of Lake Evans, Riverside, NE of Mount Rubidoux (Riverside West 7.5'Q). 238 Comment
  SEINET4560400  Populus fremontii subsp. fremontii LeRoy Gross, Bart O'Brien 2013-1 5951 Riverside Coastal Plains & Basins; San Bernardino Basin region: Fairmount Park, west side of Lake Evans. Riverside. Northeast of Mount Rubidoux. 24 Comment
  UCR249220  Populus fremontii subsp. fremontii LeRoy Gross, Bart O'Brien 2013-3-18 5951 Riverside Coastal Plains and Basins; San Bernardino Basin Region, Fairmount Park, west side of Lake Evans, Riverside, NE of Mt. Rubidoux 238 Comment
  POM360816  Populus trichocarpa Lester H. Cushman 1931-10 s.n. Riverside Near Pedley. Comment
  SBBG125897  Populus trichocarpa A. C. Sanders with R. E. Riefner Jr. 2009-8-11 37158 Riverside Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River, near old boy scout camp 238 Comment
  SD237602  Populus trichocarpa A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37158 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River (Riverside West 7.5'Q) 238 Comment
  UC420632  Portulaca oleracea F. M. Reed 1905-9-25 Riverside Riverside Comment
  UCR277755  Potamogeton Mitch Provance 2011-7-29 17037 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  UCR132714  Potamogeton pectinatus A. C. Sanders, O. F. Clarke 1991-6-10 11129 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR93846  Proboscidea louisianica Steve Morgan 1996-7-8 s.n. Riverside Riverside: yard of Bob Kearney, 5755 Savela Dr. Comment
  UCR17217  Prunella vulgaris D. Gordon 1952-6-23 s.n. Riverside Riverside Comment
  UCR179752  Prunus cerasifera Mitch Provance 1996-3-5 1076 Riverside Santa Ana River Wash, Anza Narrows Park 232 Comment
  POM358758  Pseudognaphalium biolettii Elbert Benjamine 1929-2-17 26 Riverside Mt. Roubidoux, Riverside Comment
  UCSC000827  Pseudognaphalium biolettii G. R. Hall 1901-3-31 s.n. Riverside near Riverside Riverside Comment
  UCSB38387  Pseudognaphalium californicum Ferro, Margaret 1970-5-20 Riverside 1/2 mile west of Riverside city dump 457 Comment
  SEINET13276756 Image available Pseudognaphalium luteoalbum Mitch Provance 2012-1 196 -06 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave (Riverside 7.5' Q.) 226 Comment
  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
  RSA0116456  Pseudognaphalium stramineum R. G. Swinney 2011-6-9 17194 Riverside Santa Ana River Valley: Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  UCR278886  Pseudognaphalium stramineum Mitch Provance 2011-6-9 17194 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  UCR133352  Psilotum nudum A. C. Sanders, Mitch Provance 1999-2-16 22450 Riverside Riverside, Riv. Community College campus, on south side of library 259 Comment
  POM10467  Pterostegia drymarioides F. M. Reed 1904-6-5 s.n. Riverside Bank near Fairmont Park Comment
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Jul 4 2010
  RSA249100  Pulicaria hispanica O. F. Clarke 1972-9-17 s.n. Riverside Santa Ana river bottom. Adjacent river view drive Rubidoux Comment
  UCR14545  Pulicaria paludosa O. F. Clarke 1974-11-14 s.n. Riverside Riverside, Santa Ana Riverbottom Park Comment
  UCSB37360  Pulicaria paludosa Clarke, O. 1972-9-17 Riverside Santa Ana river bottom Comment
  UCSB49861  Pulicaria paludosa Clarke, O. 1972-9-17 Riverside Santa Ana river bottom Comment
  RSA652553  Quercus agrifolia var. agrifolia Gotes 1962-4-3 8 Riverside Riverside City College Comment
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Feb 24 2013
  UCR209178  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37154 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UCR91547  Quercus ilex Donald E. Peck 1994-10-23 s.n. Riverside Citrus orchard in town of Rubidoux Comment
  UC36536  Rafinesquia californica Geo. R. Hall 1901-3-31 10 Riverside near Riverside Comment
  POM295  Ranunculus cymbalaria var. saximontanus D. L. Crawford 745 Riverside At side of Lake Riverside. Comment
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Sep 3 2011
  UC162735  Ranunculus cymbalaria var. saximontanus H. M. Hall 1897-7-3 680 San Bernardino Santa Ana River 1371 Comment
  UC480948  Ranunculus cymbalaria var. saximontanus D. L. Crawford 745 Riverside at side of lake Riverside Comment
  CAS-BOT-BC74316  Raphanus sativus S. B. Parish 1898-5-25 4540 San Bernardino West Riverside. Comment
  CLARK-A1528-361  Raphanus sativus Fred B. Essig 1966-5-21 Riverside Santa Ana River Comment
  CLARK-A1528-362  Raphanus sativus John C. Roos, Lucille Roos 1951-10-24 5342 Riverside Pedley 243 Comment
  CLARK-A1528-5387  Raphanus sativus John C. Roos, Lucille Roos 1951-10-24 5342 Riverside Pedley 243 Comment
  UCR16588  Rhus integrifolia Joe Buriel 1966-2-26 s.n. Riverside E slope of small hill north of Mt. Rubidoux 306 Comment
  CLARK-A1528-120  Rhus trilobata var. pilosissima Fred B. Essig 1967-3-18 Riverside Riverside Comment
  RSA725949  Ribes aureum var. gracillimum Mitch Provance 2001-3-3 3520 Riverside San Bernardino Valley: Vicinity of Casa Blanca, NW corner of St. Lawrence St. and Victoria Avenue. 274 Comment
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Mar 5 2010
  UCR181054  Ribes aureum var. gracillimum Mitch Provance 2001-3-3 3520 Riverside San Bernardino Valley, Vicinity of Casa Blanca, NW corner of St. Lawrence St. and Victoria Avenue 274 Comment
  SEINET3089522 Image available Ricinus communis Michael DeJong 1971-4-10 Riverside Riverside, Hill behind apartments 5400 block of Olivewood Avenue, Riverside Comment
  CLARK-A1528-364  Rorippa nasturtium-aquaticum Stephen J. Southwell 1971-5-25 Riverside West Riverside 304 Comment
  CLARK-A1528-372  Rorippa nasturtium-aquaticum Margaret Ferro 1970-5-16 21 Riverside West Riverside 365 Comment
  CSUSB1434  Rorippa nasturtium-aquaticum Rose Gagnon 1968-5-14 680514 1 Riverside On north bank of Santa Ana River where Salt Lake City bridge is located Comment
  CSUSB1435  Rorippa nasturtium-aquaticum R. L. Irwin 1962-4-21 0033 Riverside By Dam at north west end of Lake Evans 243 Comment
  CSUSB1439  Rorippa nasturtium-aquaticum D. Vander Ven 1968-5-1 S. N. Riverside Santa Ana River Santa Ana River, in water along the south bank of island just west of the railroad bridge near Freemont Street, Riverside; 35 feet from east end of island 213 Comment
  CSUSB1441  Rorippa nasturtium-aquaticum R. Sayre 1972-5-20 S.N. Riverside Santa Ana River Santa Ana River, Riverside, Jurupa Ave Comment
  CSUSB501  Rorippa nasturtium-aquaticum M. Quinlan 1974-5-25 S.N. Riverside Found in Riverside county on the bank of the Santa Ana River about 1 mile form the Riverside Municipal Airport in Riverside 266 Comment
  CSUSB503  Rorippa nasturtium-aquaticum S. Nelson 1974-5-9 S. N. Riverside Santa Ana River Park, found growing in water near river bank 243 Comment
  CLARK-A1528-824  Rosa californica John C. Roos 1951-9-25 5261 Riverside Riverside Comment
  SD133008  Rosa californica Stephen Meyers 1990-12-10 Riverside Louis Rubidoux Nature Center: along the drainage that connects to the Sunnyslope Channel, & to the confluence with the Santa Ana River 700 Comment
  UCR975  Rosa californica S. C. Anderson 1957-5-21 s.n. Riverside Riverside, Santa Ana River bottom, 0.5 mi. east of Humane Society, north of Jurupa Ave. [near Union Pacific RR bridge] 220 Comment
  CLARK-A1528-826  Rubus ursinus Paul D. Wood 1970-4-19 2 C Riverside Riverside 243 Comment
  RSA0086464  Rubus ursinus Mitch Provance 2013-4-8 413 -11 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave. 226 Comment
  SBBG119912  Rubus ursinus A. C. Sanders with O. F. Clarke 1991-6-10 11125 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  SDSU9248  Rubus ursinus Thomas A. Zink 1971-4-1 Riverside Just south of Fairmont Park. 244 Comment
  UCR132712  Rubus ursinus A. C. Sanders, O. F. Clarke 1991-6-10 11125 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR1486  Rubus ursinus R. L. Irwin 1962-4-21 0032 Riverside c. 0.2 mile west of Lake Evans, Riverside 244 Comment
  UCR216443  Rubus ursinus Nolan M. Ung 2008-5-20 032 Riverside San Bernardino Valley Region, western Riverside near Pedley, Santa Ana River on the west side of Van Buren Blvd. bridge, north bank of the river 208 Comment
  UCR265047  Rubus ursinus Mitch Provance 2013-4-8 413- 11 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  CLARK-A1528-4045  Rubus vitifolius John C. Roos 1952-6-25 5793 Riverside Riverside Comment
  UCR25812  Rumex conglomeratus John C. Roos 1952-6-10 5759 Riverside San Bernardino Valley Region, Fairmont Park in Riverside, edge of lake 259 Comment
  UCR216251  Rumex pulcher Oleg Pryadko 2008-5-2 079 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  RSA0105833  Rumex salicifolius Alan Romspert 2000-7-28 s.n. Riverside Half way between Market St. and Riverside Ave. Bridges. Comment
  CLARK-A1528-834  Salix Ken F. Clarke 1971-9-7 Riverside Riverside Comment
  A382609  Salix exigua N. F. Bracelin 1932-4-12 601 Unknown East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside Comment
  CAS-BOT-BC103891  Salix exigua 1932-4-12 s.n. Riverside unspecified Comment
  CAS-BOT-BC103898  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  CAS-BOT-BC103899  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  GH382615  Salix exigua N. F. Bracelin 1932-4-12 601 Unknown East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside Comment
  JEPS38440  Salix exigua S. B. Parish 1888-5-20 2040 Riverside near Riverside (Santa Ana River) Comment
  LA208610  Salix exigua Mrs. H. P. Bracelin; 1932-4-12 601 Riverside E side of bridge over Santa Ana River, 4.8 km. N of Arlington on rd to Pedley, W of Riverside 240.0 Comment
  POM184902  Salix exigua H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  POM184904  Salix exigua H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  POM184905  Salix exigua H. P. Bracelin 1932-4-12 605 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  POM281401  Salix exigua H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  POM319629  Salix exigua Patricia Wilder 1971-11-11 5294 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  RSA6465  Salix exigua H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  RSA6466  Salix exigua H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  SBBG27490  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  SBBG58870  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  SJSU162  Salix exigua Mrs. H. P. Bracelin 1932-4-12 600 Riverside E side of bridge over Santa Ana R, 4.8km N of Arlington on rd to Pedley, W of Riverside 243 Comment
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Mar 26 2011
  SJSU204  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside E side of bridge over Santa Ana R, 4.8 km N of Arlington on rd to Pedley, W of Riverside 243 Comment
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Mar 26 2011
  SJSU242  Salix exigua Mrs. H. P. Bracelin 1932-4-12 599 Riverside E side of bridge over Santa Ana R, 4.8 km N of Arlington on rd to Pedley, W of Riverside Comment
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Mar 26 2011
  SJSU258  Salix exigua Mrs. H. P. Bracelin 1932-4-12 602 Riverside E side of bridge over Santa Ana R, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
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Mar 26 2011
  UC498686  Salix exigua Mrs. H. P. Bracelin 1932-4-12 602 Riverside 4.8 km. n Arlington (4 mi w of Riverside, e side of bridge over Santa Ana R., on rd. to Pedley) 240 Comment
  UC498787  Salix exigua Mrs. H. P. Bracelin 1932-4-12 603 Riverside 4.8 km. n Arlington (on rd. to Pedley, w of Riverside, e side of bridge over Santa Ana R.) 240 Comment
  UC498790  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside 4.8 km. n of Arlington (on rd. to Pedley, w of Riverside, e side of bridge over Santa Ana R., base of embankment either side of hwy.) 240 Comment
  UCD110875  Salix exigua Mrs. H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  UCR11299  Salix exigua O. F. Clarke, M. Alexander 1971-3-31 s.n. Riverside Santa Ana River Bottom, Union Pacific Bridge 213 Comment
  SD11879  Salix exigua var. exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km north of Arlington on road to Pedley, west of Riverside 239 Comment
  SD11898  Salix exigua var. exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km north of Arlington on road to Pedley, west of Riverside 239 Comment
  LA208628  Salix exigua var. hindsiana Mrs. H. P. Bracelin; 1932-4-12 599 Riverside E side of bridge over Santa Ana River, 4.8 km. N of Arlington on rd to Pedley, W of Riverside 240.0 Comment
  LA208629  Salix exigua var. hindsiana Mrs. H. P. Bracelin; 1932-4-12 602 Riverside E side of bridge over Santa Ana River, 4.8 km. N of Arlington on rd to Pedley, W of Riverside 240.0 Comment
  LA208685  Salix exigua var. hindsiana Mrs. H. P. Bracelin; 1932-4-12 600 Riverside E side of bridge over Santa Ana River, 4.8 km. N of Arlington on rd to Pedley, W of Riverside 240.0 Comment
  SBBG29056  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-13 602 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Eiverside 240 Comment
  SBBG58920  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  SBBG58926  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  SBBG58927  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 605 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  SBBG58934  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-13 602 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  SD1014  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside East side of the bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 239 Comment
  SD1018  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of the bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 239 Comment
  SD1019  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 239 Comment
  UC494325  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 604 Riverside 4.8 km. n Arlington (rd. to Pedley, w of Riverside, e side of bridge over Santa Ana R.) 240 Comment
  UC494326  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 605 Riverside 4.8 km. n Arlington (4 mi w of Riverside, rd. to Pedley, e side of bridge over Santa Ana River, either side of rd.) 240 Comment
  UC494328  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 606 Riverside 4.8 km. n Arlington (4 mi. w of Riverside, rd. to Pedley, e side of bridge over Santa Ana R., either side of hwy.) 240 Comment
  UC494329  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 606 Riverside 4.8 km. n Arlington (w of Riverside, rd. to Pedley, e side of bridge over Santa Ana R., either side of hwy.) 240 Comment
  UC494348  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside 4.8 km. n Arlington (w of Riverside, rd. to Pedley, e side of bridge over Santa Ana River, either side of rd.) 240 Comment
  UC494349  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside 4.8 km. n Arlington (on rd. to Pedley, 4 mi w of Riverside, e side of bridge over Santa Ana R., down embankment either side of hwy.) 240 Comment
  UC55027  Salix exigua var. hindsiana S. B. Parish 1888-5-20 2040 San Bernardino river bank near Riverside; Santa Ana River; bank of Santa Ana River, Riverside, San Bernardino Co. Comment
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Dec 1 2014
  CAS-BOT-BC108107  Salix gooddingii Henry Pelouze De Forest 1932-1-1 s.n. Riverside Santa Ana River bed and banks, near Riverside Comment
  CLARK-A1528-831  Salix gooddingii Oscar Clarke 1971-3-31 Riverside Riverside Comment
  POM319096  Salix gooddingii Patricia Wilder 1971-11-11 5295 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  UCR114319  Salix gooddingii Mitch Provance 1998-3-21 268 Riverside Jurupa Hills, Sunnyslope, near the Ormand Quarry, at the corner of 30th St. and Sierra Ave. 274 Comment
  UCR216445  Salix gooddingii Nolan M. Ung 2008-5-20 028 Riverside San Bernardino Valley Region, western Riverside near Pedley, Santa Ana River on the west side of Van Buren Blvd. bridge, north bank of the river 208 Comment
  UCR6138  Salix gooddingii A. Belding 1967-5-12 s.n. Riverside Boy Scouts America Camp Evans, at the end of Indian Hill Road. Santa Ana River Flood Plain west of the City of Riverside Comment
  A382889  Salix hindsiana N. F. Bracelin 1932-4-12 600 Unknown East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside Comment
  A382914  Salix hindsiana N. F. Bracelin 1932-4-12 599 Unknown East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside Comment
  A382915  Salix hindsiana N. F. Bracelin 1932-4-12 605 Unknown East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside Comment
  A383124  Salix hindsiana N. F. Bracelin 1932-4-12 602 Unknown East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside Comment
  CAS-BOT-BC108213  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 605 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  CAS-BOT-BC108214  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  CAS-BOT-BC108215  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  CAS-BOT-BC108216  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  CAS-BOT-BC108217  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  GH382907  Salix hindsiana N. F. Bracelin 1932-4-12 606 Unknown East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside Comment
  GH382908  Salix hindsiana N. F. Bracelin 1932-4-12 600 Unknown East side of bridge over Sanrta Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside Comment
  GH382965  Salix hindsiana N. F. Bracelin 1932-4-12 599 Unknown East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside Comment
  GH382966  Salix hindsiana N. F. Bracelin 1932-4-12 602 Unknown East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside Comment
  GH383125  Salix hindsiana N. F. Bracelin 1932-4-12 605 Unknown East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside Comment
  POM184903  Salix hindsiana H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  PASA2676  Salix hindsiana var. leucodendroides Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside, Riverside County 240 Comment
  PASA2679  Salix hindsiana var. leucodendroides Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside, Riverside County 240 Comment
  POM319276  Salix laevigata Patricia Wilder 1971-11-11 5310 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 Comment
  POM6411  Salix laevigata Philip A. Munz, L. T. Street, G. Williams 1919-5-3 2665 Riverside Along Santa Ana River. Comment
  UC57071  Salix laevigata H. M. Hall Apr. 1902 2940 Riverside vicinity Riverside (along Santa Ana River); Santa Ana River 243 Comment
  UCR11307  Salix laevigata O. F. Clarke, M. Alexander 1971-3-31 s.n. Riverside Santa Ana River Bottom, Union Pacific Bridge 213 Comment
  CSUSB919  Salix lasiandra Oscar F. Clarke, M. Alexander 1971-3-31 Riverside Santa Ana River Santa Ana River bottom, in (city of) Riverside. Union Pacific Bridge. Comment
  GH384161  Salix lasiandra A. C. Sanders & S. Ogg 1994-7-28 15181 Unknown Riverside: Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge. (Riverside West Quad.: T2S, R5W; deg 23'W, 33 deg 59'N.) Comment
  POM319100  Salix lasiolepis Patricia Wilder 1971-11-11 5300 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 Comment
  UCR109734  Salix lasiolepis R. E. Orth 1963-3-8 s.n. Riverside Riverside, Santa Ana River 213 Comment
  UCR114320  Salix lasiolepis Mitch Provance 1998-3-21 270 Riverside Jurupa Hills, Sunnyslope, near the Ormand Quarry, at the corner of 30th St. and Sierra Ave. 274 Comment
  POM319277  Salix lucida subsp. lasiandra Patricia Wilder 1971-11-11 5297 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 Comment
  UCR11306  Salix lucida subsp. lasiandra O. F. Clarke, M. Alexander 1971-3-31 s.n. Riverside Santa Ana River Bottom, Union Pacific Bridge 213 Comment
  UCR13438  Salix lucida subsp. lasiandra Mike McCloskey 1973-5-10 s.n. Riverside Riverside, Santa Ana River bed a few hundred yards east of Union Pacific RR crossing 229 Comment
  UCR93069  Salix lucida subsp. lasiandra A. C. Sanders, S. Ogg 1994-7-28 15181 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  CAS-BOT-BC126316  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  CAS-BOT-BC126317  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 605 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  CAS-BOT-BC126318  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  CAS-BOT-BC126319  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  CAS-BOT-BC126320  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  UCR207624  Salsola 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
  CLARK-A1528-416  Salsola iberica Fred B. Essig 1966-9-12 Riverside Santa Ana River Comment
  RSA564472  Salvia canariensis Don Pendleton 1992-5-12 s.n. Riverside City of Riverside. Mt. Rubidoux, beside road, near Peace Arch. Comment
  UCR76077  Salvia canariensis Don Pendleton 1992-5-12 s.n. Riverside City of Riverside, Mt. Rubidoux, near Peace Arch 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
  CLARK-A1528-2411  Sambucus caerulea John C. Roos, Lucille Roos 1951-10-24 5341 Riverside Pedley 243 Comment
  CLARK-A1528-379  Sambucus caerulea John C. Roos, Lucille Roos 1951-10-24 5341 Riverside Pedley 243 Comment
  CSUSB692  Sambucus mexicana Becky Alejandre 1970-5-7 8 Riverside Santa Ana River bottom in [city of] Riverside. Approximately 400 feet from Fairmount Park to the west. 408 Comment
  POM46853  Samolus parviflorus H. M. Hall 1904-5-24 4955 Riverside Riverside along Spring Brook. Comment
  RSA100183  Sanvitalia procumbens J. C. Roos, Lucille Roos 1954-7-26 6204 Riverside In unused corner of dry garden, 6th Street near Pepper. In E. C. Jaeger's yard? 274 Comment
  SEINET3080653 Image available Schinus molle Unknown 1965-2-28 Riverside Riverside 5226 Olivewood Drive 274 Comment
  UCR162541  Schinus polygamus Michael D. Wilcox 2005-7-28 s.n. Riverside Upper Santa Ana River Basin, Riverside, east of Mt. Rubidoux, 4737 Indian Hill Road off Mission and adjacent to Santa Ana River 244 Comment
  UCR209179  Schinus polygamus A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37155 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UCR40932  Schinus polygamus A. Kelly 1985-1 s.n. Riverside Riverside, yard at 4081 Glenwood, l block north of 14th Street. Comment
  UCR125278  Schinus terebinthifolius A. C. Sanders 2003-1-18 25666 Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, Sunnyslope Channel near confluence with Santa Ana River 220 Comment
  CLARK-A1528-5533  Schismus barbatus John C. Roos 1951-3-24 5033 Riverside Riverside 396 Comment
  CLARK-A1528-922  Schismus barbatus Patricia A. Andrews 1975-3-13 5900 Riverside Rubidoux Comment
  UC1023396  Schismus barbatus John and Lucille Roos 1951-3-24 5033 Riverside Mount Rubidoux 396 Comment
  UCR125217  Schismus barbatus Mitch Provance 1998-5-5 523 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal Ofc. 250 Comment
  UCR25195  Schismus barbatus John C. Roos, L. Roos 1951-3-24 5033 Riverside San Bernardino Valley, Riverside, Mount Rubidoux 396 Comment
  UCR277754  Schoenoplectus acutus Mitch Provance 2013-4-16 413- 17 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR113859  Schoenoplectus acutus var. occidentalis Mitch Provance 2000-6-24 2073 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR115881  Schoenoplectus acutus var. occidentalis Mitch Provance 1999-5-6 1163 Riverside San Bernardino/Santa Ana River Valley, city of Riverside, Arlanza area, at (nearly dry) Hole Lake 220 Comment
  UCR1579  Schoenoplectus acutus var. occidentalis William G. Truesdell 1962-5-25 52562- 4 Riverside San Bernardino Valley Region, Riverside, marsh beside Lake Evans 305 Comment
  UCR20374  Schoenoplectus acutus var. occidentalis John C. Roos, L. Roos 1952-6-10 5761 Riverside San Bernardino Valley Region, Fairmont Park in Riverside, edge of lake 259 Comment
  UCSB45604  Schoenoplectus acutus var. occidentalis Roos, John; Roos, Lucille 1952-6-10 Riverside Fairmount Park, Riverside 259 Comment
  CAS-BOT-BC111578  Schoenoplectus americanus Frederick Morris Reed 1904-6-19 612 Riverside Bogs along Spring Brook below Fairmount Park. Comment
  UCR113863  Schoenoplectus americanus Mitch Provance 2000-6-24 2067 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR20373  Schoenoplectus americanus John C. Roos, L. Roos 1952-6-10 5762 Riverside San Bernardino Valley Region, Fairmont Park in Riverside, edge of lake 259 Comment
  UCR264629  Schoenoplectus americanus Mitch Provance 2012-6-19 196- 07 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  CAS-BOT-BC111459  Schoenoplectus californicus Frederick Morris Reed 1903-11-23 423 Alameda Round Tule Water Co. Pasture on Magnolia Ave below Arlington. Comment
Read comments
Oct 6 2017
  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
  RSA366085  Schoenoplectus maritimus Lester H. Cushman 1932-5-8 s.n. Riverside Near Pedley, close to Santa Ana R. [River]. Comment
  RSA0105838  Scirpus acutus Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  RSA365982  Scirpus acutus var. occidentalis Lester H. Cushman 1932-2-8 s.n. Riverside Near Pedley, along the Santa Ana River. Comment
  SEINET13276759 Image available Scirpus microcarpus Mitch Provance 2012-1 196 -01 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave (Riverside 7.5' Q.) 226 Comment
  UCR19464  Scirpus microcarpus C. S. Papp 1963-6-29 317 Riverside Riverside, Santa Ana River bed Comment
  UCR264634  Scirpus microcarpus Mitch Provance 2012-6-19 196- 01 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  CLARK-A1703-90  Scirpus robustus Robin L. Kobaly 1972-5-17 RLK 720517 Riverside Riverside 243 Comment
  CSUSB1016  Scirpus robustus Emily E. McGregor 1972-4-15 Riverside Santa Ana River Santa Ana River bottom, off Freemont Drive. Comment
  CAS-BOT-BC238464  Scrophularia L. R. Abrams 1941-4-21 13874 Riverside Mt. Rubidoux, Riverside Comment
  CSUSB906  Scrophularia californica M. Quinlan 1974-5-25 Riverside Found in Riverside county on the bank of the Santa Ana River about 1 mile form the Riverside Municipal Airport in Riverside 266 Comment
  UC27617  Scrophularia californica Geo. R. Hall 1901-3-31 Riverside near Riverside Comment
  SD146145  Scrophularia californica subsp. floribunda Mitch Provance 1998-6-10 634 Riverside City of Riverside: east side of Pachappa Hill, as acessed from where panorama road crosses the 91 freeway 305 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
  UCR130866  Scrophularia californica subsp. floribunda Mitch Provance 1998-6-10 634 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  CLARK-A1528-4075  Selaginella bigelovii John C. Roos 1952-4-9 5506 Riverside Riverside 335 Comment
  UC1059063  Selaginella bigelovii Lee Bonar 1957-3-2 Riverside e slope Mt. Rubidoux Comment
  UC1746504  Senecio californicus Mitch Provance 2000-4-8 2010 Riverside Jurupa Mountains; S extension of ''Rattlesnake Mt.'', <100 m W of peak 1739. Comment
  UC35949  Senecio californicus E. L. Koethen April 1897 18 Riverside Plains Comment
Read comments
Mar 12 2011
  UCR114334  Senecio californicus Mitch Provance 2000-4-8 2010 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  SEINET2055018 Image available Senecio vulgaris Unknown 1965-4-22 Riverside 2800 Mary Street, Victoria Village Shopping Center, Riverside 262 Comment
  UCR265848  Senecio vulgaris Mitch Provance 2013-4-8 413- 04 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA695427  Senna artemisioides Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  UCR126000  Senna artemisioides Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  UC465735  Sesuvium verrucosum J. E. Roadhouse Aug. 1905 505 Riverside California Ave. Riverside Comment
  RSA724104  Setaria adhaerens R. E. Riefner 2005-10-7 5 -723 Riverside City of Riverside, residential lots along Elderwood Ct. at Tequesquito Ave. 237 Comment
  SEINET2116165  Setaria adhaerens R. E. Riefner Jr. 2005-10-7 05 -723 Riverside Tequesquito Arroyo Park, Riverside West Quad: City of Riverside, residential lots along Elderwood Ct. at Tequesquito Ave 240 Comment
  UCR113880  Setaria gracilis Mitch Provance 2000-6-24 2060 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CAS-BOT-BC243538  Setaria italica unspecified 1916-8-1 s.n. Los Angeles unspecified Comment
  CDA2430  Setaria parviflora Steve Boyd 1989-7-9 3773 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  CDA2457  Setaria viridis Steve Boyd 1989-7-9 3772 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  RSA776707  Sherardia arvensis Steve D. Boyd 2005-7-4 11633 Riverside City of Riverside, Wood Steets neighborhood, southeast of confluence of Arroyo Tequesquite and Santa Ana River, northeast corner of Brockton Ave. and Beechwood Place. 244 Comment
  UCD169622  Sherardia arvensis Steve Boyd; Jennifer Pilapil 2005-7-4 11633 Riverside Coastal Plains and Basins; San Bernardino Basin region: City of Riverside, Wood Streets neighborhood, southeast of confluence of Arroyo Tequesquite and Santa Ana River, northeast corner of Brockton Ave. and Beechwood Place. 243 Comment
  UCR225166  Sherardia arvensis Steve Boyd 2005-7-4 11633 Riverside Coastal Plains & Basins; San Bernardino Basin region, City of Riverside, Wood Steets neighborhood, southeast of confluence of Arroyo Tequesquite and Santa Ana River, northeast corner of Brockton Ave. and Beechwood Place. 244 Comment
  UCR113045  Silene gallica Mitch Provance 1998-3-5 137 Riverside City of Riverside, Between the Harvest Church parking lot and Riverside Airport, c. 500 yards north of the corner of Adams St. and Arlington Ave. 241 Comment
  CLARK-A1528-293  Silybum marianum Penny Stead 1970-4-28 Riverside Riverside 243 Comment
  POM10044  Silybum marianum H. M. Hall 1904-5-24 4956 Riverside Along Santa Ana River, near Riverside Comment
  SEINET2055074 Image available Silybum marianum Nadine Tolkan 1970-5-19 15 Riverside Natural area W of Fairmont Park 304 Comment
  UC63256  Silybum marianum H. M. Hall 1904-5-24 4957 Riverside vicinity Riverside (Santa Ana River, Southern California); Santa Ana River 213 Comment
  UCR16676  Silybum marianum Arthur Douglas 1969-5-22 26 Riverside Near Arlington. Below W end of Fremont Street, in vicintiy of Santa Ana River 183 Comment
  UCR16902  Silybum marianum Kirk Taylor 1976-5-29 76-5-29- 5 Riverside Fairmont Park, Riverside, W end of Lake Evans Comment
  CAS-BOT-BC74896  Sinapis alba Carl B. Wolf 1936-4-21 7769 Riverside 4 miles west of Riverside and south of Jurupa Road. 304 Comment
  CAS-BOT-BC74897  Sinapis alba Carl B. Wolf 1936-4-21 7769 Riverside 4 miles west of Riverside and south of Jurupa Road. 304 Comment
  SBBG26815  Sinapis alba C. B. Wolf 1936-4-21 Riverside 4 mi S of Riverside, S of Jurupa Rd Comment
  UC592744  Sinapis alba Carl B. Wolf 1936-4-21 7769 Riverside 4 mi W of Riverside (S of Jurupa Road) 304 Comment
  UCD115546  Sisymbrium altissimum Robert J. Weatherby 1949-5-13 402 Riverside near Arlington. 152 Comment
  CAS-BOT-BC75183  Sisymbrium erysimoides A. C. Sanders; O. F. Clarke; M. Humboldt 1992-1-18 12009 Riverside Riverside. In the median strip of Victoria Avenue, near Jefferson Street. Comment
  CAS-BOT-BC75184  Sisymbrium erysimoides A. C. Sanders 1994-5-15 14478 Riverside Mount Rubidox. On the northwest side of Riverside on the east bank of the Santa Ana River. 400 Comment
  SD227774  Sisymbrium erysimoides A. C. Sanders 1994-5-15 14478 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River. 399 Comment
  UCR239894  Sisymbrium erysimoides O. F. Clarke 2004-3-25 s.n. Riverside Riverside, Santa Ana River west of Salt Lake Railroad bridge 216 Comment
  UCR72351  Sisymbrium erysimoides A. C. Sanders, O. F. Clarke, M. Humboldt 1992-1-18 12009 Riverside Riverside, Victoria Avene, near Jefferson Street 274 Comment
  UCR83199  Sisymbrium erysimoides A. C. Sanders 1994-5-15 14478 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  CLARK-A1528-924  Sisymbrium irio Patricia A. Andrews 1975-3-13 5903 Riverside Rubidoux Comment
  CSUSB556  Sisymbrium irio D. L. Heald 1966-3-15 7 Riverside On the corner of Mongolia Avenue and Overland Street near Chemawa Jr. High School, Arlington 304 Comment
  UCSB27760  Sisymbrium irio Taylor, P. 1975-3-24 Riverside Bluff behind residence of 5431 Pinehurst Dr., Riverside 259 Comment
  UCR239897  Sisymbrium officinale O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UCR25983  Sisymbrium orientale John C. Roos 1952-4-9 5471 Riverside Riverside, E base of Mt. Rubidoux 274 Comment
  CSUSB978  Sisyrinchium bellum Anna Mayers 1978-4-24 Riverside Rubidoux Nature Center, Riverview Drive, Rubidoux. Comment
  CSUSB792  Solanum douglasii Steve Walker 1966-5-13 Riverside City of Riverside, Fairmount Park on western perimeter, 300 yards into streambed from road. 304 Comment
  UC56813  Solanum douglasii H. M. Hall Aug 1901 Riverside vicinity of Riverside 304 Comment
  OBI40583  Solanum elaeagnifolium A. C. Sanders, O. F. Clarke, & R. Allert, R. Allert 1984-7-18 5109 Riverside In a weedy parking near the intersection of Wheeler and Miller Sts, near Hunt Park, Arlington area 259 Comment
  UC1522674  Solanum elaeagnifolium A. C. Sanders, O. F. Clarke and R. Allert 1984-7-18 5109 Riverside near the intersection of Wheeler and Miller Street (near Hunt Park, Arlington area); Riverside, Arlington area 259 Comment
  UCR35565  Solanum elaeagnifolium A. C. Sanders, O. F. Clarke, et al. 1984-7-18 5109 Riverside Riverside: parking near the intersection of Wheeler and Miller Streets, near Hunt Park, Arlington area 259 Comment
  POM223251  Solanum laciniatum R. Cooper 1935-10-3 4 Riverside edge of Lake Evans, Fairmount Park. Comment
  POM223252  Solanum laciniatum R. Cooper 1935-10-3 4 Riverside edge of Lake Evans, Fairmount Park. Comment
  CAS-BOT-BC231747  Solanum lanceolatum A. C. Sanders; O. F. Clarke; R. Allert 1984-7-18 5110 Riverside Riverside, in a vacant field northeast of the intersection of Tyler and Cypress Avenue 304 Comment
  LA103169  Solanum lanceolatum A. C. Sanders; O. F. Clarke, R. Allert 1984-7-18 5110 Riverside NE of the intersection of Tyler and Cypress Avenues 304 Comment
  OBI36390  Solanum lanceolatum A. C. Sanders, O. F. Clarke, & R. Allert 1984-7-18 5110 Riverside In a vacant field NE of the intersection of Tyler and Cypress Aves Comment
  SD123746  Solanum lanceolatum Andy C. Sanders, O. F. Clarke, R. Allert 1984-7-18 5110 Riverside Riverside, vacant field northeast of intersection of Tyler and Cypress Avenues. 305 Comment
  UC1522707  Solanum lanceolatum A. C. Sanders, O. F. Clarke and R. Allert 1984-7-18 5110 Riverside ne of the intersection of Tyler Avenue and Cypress Avenue 304 Comment
  UCR13931  Solanum lanceolatum O. F. Clarke 1973-9-14 s.n. Riverside Riverside, residential garden of Edmund C. Jaeger, 4475 6th Street 256 Comment
  UCR37658  Solanum lanceolatum A. C. Sanders, O. F. Clarke 1984-7-18 5110 Riverside Riverside: vacant field NE of the intersection of Tyler and Cypress Avenues 305 Comment
  UCR8745  Solanum lanceolatum O. F. Clarke 1968-12-16 s.n. Riverside Riverside, residential garden of Edmund C. Jaeger, 4475 6th Street 256 Comment
  UCR949  Solanum lanceolatum O. F. Clarke 1970-10-27 s.n. Riverside Riverside, residential garden of Edmund C. Jaeger, 4475 6th Street 256 Comment
  RSA614271  Solanum nigrum A. C. Sanders 1994-7-26 15151 Riverside Santa Ana River at the Mission Blvd. / 7th Street Bridge, W foot of Mount Rubidoux. 240 Comment
  UCR182162  Solanum nigrum S. Gomez Martinez, Joseph Gomez 1998-8-9 s.n. Riverside San Bernardino Valley, Riverside, field on north side of Magnolia Ave. near intersection with Wayne Ct., across the street from California Baptist University 241 Comment
  UCR93068  Solanum nigrum A. C. Sanders 1994-7-26 15151 Riverside Santa Ana River at the Mission Blvd/7th street Bridge, W foot of Mt. Rubidoux 240 Comment
  CAS-BOT-BC156674  Solanum umbelliferum H. M. Hall 1895-5-3 141 Riverside Riverside Comment
  UCR2951  Solanum umbelliferum Nancy Atha 1963-2-23 22363- 3 Riverside Peninsular Range, Riverside, NW side of hill [Quarry Hill] at corner of Madison Street and Victoria Avenue 274 Comment
  UC57529  Solanum xanti H. M. Hall 1895-5-3 141 Riverside near Riverside (in mts along Santa Ana River); Santa Ana River; Santa Ana River, near Riverside Comment
  CLARK-A1528-5394  Solidago confinis John C. Roos 1951-9-25 5283 Riverside Riverside 259 Comment
  CLARK-A1528-295  Solidago occidentalis John C. Roos 1951-9-25 5282 Riverside Riverside 259 Comment
  CLARK-A1528-5393  Solidago occidentalis John C. Roos 1951-9-25 5282 Riverside Riverside 259 Comment
  UCR115937  Solidago occidentalis Mitch Provance, S. D. Boyd 1999-9-14 1785 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
  UC36214  Solidago velutina subsp. californica E. L. Koethen 1897-7-15 15 Riverside Plains , Plains (Riverside) Comment
  CAS-BOT-BC365818  Soliva sessilis John Roos; Lucille Roos 1953-5-9 5916 Riverside Fairmount Park, Riverside 259 Comment
  CAS-BOT-BC365819  Soliva sessilis John Roos; Lucille Roos 1953-5-9 5916 Riverside Fairmount Park, Riverside 259 Comment
  RSA89866  Soliva sessilis J. C. Roos, Lucille Roos 1953-5-9 5916 Riverside Riverside, Fairmont Park. 259 Comment
  UC1023427  Soliva sessilis John and Lucille Roos 1953-5-9 5916 Riverside Fairmount Park 259 Comment
  UCR12538  Soliva sessilis O. F. Clarke, H. Hails 1972-5-20 s.n. Riverside Santa Ana River Valley, City of Riverside, Santa Ana River bottom, just east of the Union Pacific railroad bridge. Comment
  UCR19714  Soliva sessilis John C. Roos, L. Roos 1953-5-9 5916 Riverside Riverside, Fairmont Park 259 Comment
  CDA2498  Sorghum halepense Steve Boyd 1989-7-9 3769 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  CLARK-A1528-93  Sorghum halepense Fred B. Essig 1966-9-12 Riverside Riverside Comment
  CSUSB1169  Sorghum halepense Debbie Vigneault 1974-7-17 Riverside Santa Ana River Santa Ana River bottom, near Van Buren Bridge. 259 Comment
  UCR113853  Sorghum halepense Mitch Provance 2000-6-24 2061 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR125204  Sorghum halepense Mitch Provance 1998-5-27 545 Riverside City of Riverside, Hillside area, along railroad tracks on the NW corner of Dewey St. and Streeter Ave. 238 Comment
  UCR207608  Sorghum halepense O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  UCR2759C  Sorghum halepense F. M. Reed 1904-8-14 95 Riverside Riverside, wet roadside near corner of Adams and Victoria Avenue, Arlington Heights. 274 Comment
  UCR16081  Sparganium eurycarpum H. C. Sharma 1976-5-18 760518- 01 Riverside Riverside, Santa Ana Riverbottom, Louis Rubidoux Nature Center, c. 0.5 mi SW of main building 229 Comment
  UCR127932  Spergularia A. C. Sanders 1994-5-15 14479 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UCR264638  Spergularia Mitch Provance 2013-4-8 413- 15 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  CAS-BOT-BC390860  Spergularia marina F. M. Reed 1906-7-1 s.n. Riverside West Riverside Comment
  CLARK-A1528-2483  Spergularia marina John C. Roos, Lucille Roos 1951-10-24 5337 Riverside Pedley 228 Comment
  CLARK-A1528-390  Spergularia marina Ruth Cooper 1941-5-11 584 Riverside Riverside Comment
  UCD99236  Spergularia marina Barrett 1921-6-3 s.n. Riverside Riverside. Comment
  UCR134652  Spergularia rubra Mitch Provance 1998-4-9 406 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 259 Comment
  RSA597935  Sphenopholis obtusata F. M. Reed 1907-6-23 1436 Riverside Old field in the Santa Ana River bottom above the bridge on the West Riverside Road., 33 deg 59'N, 117 deg 23'W 244 Comment
  UCD86401  Sphenopholis obtusata F. M. Reed 1907-6-23 1436 Riverside old field above bridge on West Riverside Road. Comment
  UCR2768  Sphenopholis obtusata F. M. Reed 1907-6-23 1436 Riverside Santa Ana River, City of Riverside, old field in the Santa Ana River bottom above the bridge on the West Riverside Road 244 Comment
  UCD93055  Sporobolus airoides H. M. Reed 1906-7-12 1136 Riverside Near Riverside, Pine St. near Brick Yard River. Comment
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Jan 18 2014
  UCR2773  Sporobolus airoides F. M. Reed 1906-7-12 1136 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Pine Street near the brick yard 244 Comment
  CLARK-A1528-5047  Sporobolus asperifolius John C. Roos 1951-9-25 5257 Riverside Riverside 259 Comment
  UCSB51380  Sporobolus indicus Roos, John 1965-11-4 Riverside Fairmont Park, Riverside Comment
  RSA70123  Sporobolus indicus var. indicus J. C. Roos, L. Roos 1951-9-25 5277 Riverside Fairmount Park 259 Comment
  CLARK-A1528-5034  Sporobolus poiretii John C. Roos 1965-11-4 Riverside Riverside Comment
  CLARK-A1528-5046  Sporobolus poiretii John C. Roos, Lucille Roos 1951-9-25 5277 Riverside Riverside 259 Comment
  CLARK-A1528-5312  Sporobolus poiretii John C. Roos, Lucille Roos 1951-9-25 5277 Riverside Riverside 259 Comment
  CLARK-A1528-5313  Sporobolus poiretii John C. Roos, Lucille Roos 1951-9-25 5277 Riverside Riverside 259 Comment
  UC63778  Stachys ajugoides var. rigida H. M. Hall July 1899 Riverside Poison Oak Canyon Riverside Comment
  UCR113878  Stachys albens Mitch Provance 2000-6-24 2043 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR922  Stachys albens Geraldine Wedell 1959-5-14 s.n. Riverside San Bernardino Valley Region, Riverside, Fairmount Park, on NW side of Dexter Drive, SW side of American Legion building. 237 Comment
  CLARK-A1528-391  Stellaria media unknown 1969-5-1 Riverside Riverside Comment
  SEINET3086224 Image available Stellaria media Leland R. Dykes 1962-4-1 22 Riverside 4831 Rubidoux Ave. Comment
  UCR113849  Stellaria media Mitch Provance 2000-6-24 2046 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CLARK-A1528-5543  Stenotaphrum secundatum John C. Roos 1951-9-22 5234 Riverside Riverside Comment
  CLARK-A1528-5544  Stenotaphrum secundatum John C. Roos 1951-9-22 5234 Riverside Riverside Comment
  CLARK-A1528-95  Stenotaphrum secundatum John C. Roos, Lucille Roos 1951-9-22 5234 Riverside Riverside Comment
  UCR264606  Stephanomeria exigua subsp. coronaria Mitch Provance 2012-6-19 196- 09 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  UC129479  Stephanomeria exigua subsp. deanei H. M. Hall 1907-7-2 8005 Riverside vicinity Riverside; Santa Ana River 274 Comment
  RSA125548  Stephanomeria exigua subsp. exigua R. Weatherby 1949-5-13 404 Riverside near La Sierra, Arlington 152 Comment
  CLARK-A1528-1110  Stephanomeria virgata Charles S. Papp 1963-6-29 315 Riverside Riverside Comment
  CLARK-A1528-298  Stephanomeria virgata Fred B. Essig 1966-9-12 Riverside Riverside Comment
  CLARK-A1528-299  Stephanomeria virgata John C. Roos 1951-9-25 5270 Riverside Riverside 259 Comment
  CLARK-A1703-1188  Stephanomeria virgata Charles S. Papp 1963-6-29 314 Riverside Riverside Comment
  UCR113564  Stipa cernua Mitch Provance 2000-4-8 2007 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  UCR83405  Stipa cernua A. C. Sanders 1994-5-15 14488 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UCR125201  Stipa coronata Mitch Provance 1998-5-24 533 Riverside Jurupa Mountains, S 'Rattlesnake Mt.', near the corner of Alta St. and Canal St. in Rubidoux 396 Comment
  UCR2810  Stipa lepida F. M. Reed 1919-4-20 4091 Riverside Rubidoux Mountain, Riverside 396 Comment
  CLARK-A1528-5270  Stipa speciosa John C. Roos 1952-4-9 5495 Riverside Mount Rubidoux 365 Comment
  UCR23314  Stipa speciosa John C. Roos 1952-4-9 5495 Riverside Riverside, W face of Mt. Rubidoux 400 Comment
  SBBG119908  Stuckenia pectinata A. C. Sanders with O. F. Clarke 1991-6-10 11129 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  CAS-BOT-BC376028  Stylocline gnaphaloides F. M. Reed No date on label s.n. Riverside Riverside Comment
  POM10261  Stylomecon heterophylla Unspecified 1904-4-12 s.n. Riverside Fairmont Park. Comment
  POM123183  Suaeda calceoliformis Geo R. Hall 1905-9-26 s.n. Riverside Near Riverside, near the Santa Ana River. 290 Comment
  UC126878  Suaeda calceoliformis Geo. R. Hall 1905-9-26 52 Riverside near Riverside (near the Santa Ana River) 290 Comment
  UC69083  Suaeda calceoliformis S. Grout 1904-1 Riverside Riverside (Chinatown) Riverside Comment
  UC72620  Suaeda calceoliformis Geo. R. Hall Sep 1905 Riverside Riverside Comment
  UC68839  Suaeda moquinii H. M. Hall Aug 1905 6735 Riverside vicinity Riverside 274 Comment
  POM182768  Symphyotrichum Reed 669 Riverside Riverside. Comment
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Mar 15 2014
  UC69212  Symphyotrichum subspicatum F. M. Reed 1905-6-4 767 Riverside Evans Ranch, vicinity of Riverside, below Chinatown ford Comment
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Jul 30 2006
  UC29846  Symphyotrichum subulatum E. G. Koethen 1897-10-16 D Riverside w Riverside, roadside Comment
  UC73999  Symphyotrichum subulatum Geo. R. Hall 1905-9-1 Riverside near Riverside Comment
  UCR281882  Symphyotrichum subulatum Mitch Provance 2012-11-9 1112- 13 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  UCR182444  Tagetes patula Mitch Provance 2003-7-4 4632 Riverside San Bernardino Valley, Riverside, 'Adams Hill', along the N. side of Raintree Ave., 0.2 mi. SW of Adams St., 0.3 mi. SE of Colorado Ave., c. 0.75 mi. SE of the Riverside Municipal Airport 238 Comment
  SD139980  Tamarix gallica Andy C. Sanders, O. F. Clarke 1991-6-10 11137 Riverside Riverside; along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River Comment
  UCR113887  Tamarix parviflora Mitch Provance 1998-4-9 408 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 259 Comment
  SBBG104054  Tamarix ramosissima A. C. Sanders with O. F. Clarke 1991-6-10 11137 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  UCR72700  Tamarix ramosissima A. C. Sanders, O. F. Clarke 1991-6-10 11137 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR120180  Tetradymia comosa Mitch Provance 1998-3-5 191 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR277720  Tetradymia comosa Mitch Provance 2011-8-6 811- 01 Riverside Santa Ana River Valley, Riverside, Arroyo Tequesquite, along Pine St., vicinity of Wong St. 238 Comment
  CLARK-A1528-106  Tetragonia tetragonioides John C. Roos 1951-9-25 5288 Riverside Riverside 259 Comment
  CLARK-A1528-1381  Tetragonia tetragonioides John C. Roos 1951-9-25 5288 Riverside Riverside 259 Comment
  CLARK-A1528-5484  Toxicodendron diversilobum John C. Roos, Lucille Roos 1952-4-28 5589 Riverside Riverside Comment
  SDSU2161  Toxicodendron diversilobum Thomas A. Zink 1971-5-1 Riverside About 100 yards north of Camp Evans. 244 Comment
  SD241726  Trachelospermum jasminoides A. C. Sanders 2010-5-23 38427 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place (Riverside West 7.5'Q) Comment
  JEPS43401  Tribulus terrestris Martha W. Howland 1918-1 Riverside Riverside Comment
  UCD107391  Tribulus terrestris K. Esau 1935-6-15 s.n. Riverside Citrus Expt. Station. Comment
  UCR182443  Trichostema lanceolatum Mitch Provance 2003-7-4 4631 B Riverside San Bernardino Valley, Riverside, 'Adams Hill', along the N. side of Raintree Ave., 0.2 mi. SW of Adams St., 0.3 mi. SE of Colorado Ave., c. 0.75 mi. SE of the Riverside Municipal Airport 238 Comment
  UC26022  Trichostema parishii E. L. Koethen Apr 1897 11 Riverside Arlington Heights Comment
  POM349156  Trifolium albopurpureum Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
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Mar 28 2011
  UCD111231  Trifolium incarnatum Dave Barlow 1984-5-4 s.n. Riverside Riverside. Comment
  UCR36630  Trifolium incarnatum Dave Barlow 1984-5-4 s.n. Riverside Riverside Comment
  CSUSB1217  Trifolium repens D. L. Heald 1966-3-28 15 Riverside Found on Overland Street near Chemawa Junior High School in Arlington. 243 Comment
  RSA428379A  Tropidocarpum gracile Jean Carnine 1932-2-28 15287 Riverside Santa Ana River Comment
  UCR114818  Tropidocarpum gracile Mitch Provance, Seychelle Provance 1998-2-21 96 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon. 396 Comment
  POM78940  Typha domingensis I. M. Johnston 1925-7-19 s.n. Riverside Pedley-Arlington Road. Comment
  UCR120382  Typha latifolia Mitch Provance 1998-7-23 928 Riverside Jurupa Mountains, Sunnyslope area, c. 0.5 mile east of 34th St. and Armstrong Road 274 Comment
  UCR20855  Typha latifolia S. Beckstrom-Sternberg 1980-6-2 6280- 2 -11 Riverside Santa Ana River Regional Park. c. 1600 m south of the visitor's center Comment
  UCR120269  Ulmus alata A. C. Sanders, T. B. Salvato, Ba Tran 1999-8-12 23025 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
  UCR125279  Ulmus parvifolia A. C. Sanders 2003-1-18 25667 Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, Sunnyslope Channel near confluence with Santa Ana River 220 Comment
  UCR67002  Ulmus pumila S. J. Myers 1990-12-5 s.n. Riverside Santa Ana River, Louis Rubidoux Nature Center, along drainage that connects to Sunnyslope Channel, and to the confluence with the Santa Ana River 213 Comment
  CLARK-A1528-903  Urtica holosericea John C. Roos 1951-9-25 5286 Riverside Fairmont Park 259 Comment
  CLARK-A1528-4394  Urtica urens John C. Roos 1952-2-18 5352 Riverside Riverside Comment
  CLARK-A1528-926  Urtica urens Patricia A. Andrews 1975-3-13 5904 Riverside Rubidoux Comment
  UC450070  Urtica urens F. M. Reed 1905-3-3 675 Riverside Riverside and Vicinity Riverside 274 Comment
  UCR16363  Verbena tenuisecta Paul D. Wood 1970-5-20 11 A Riverside Riverside, 4209 El Dorado Street 259 Comment
  UCR252211  Verbena tenuisecta J. Mendoza 2011-5-13 s.n. Riverside Santa Ana River Regional Park near Louis Rubidoux Nature Center 221 Comment
  RSA683845  Verbesina encelioides Scott D. White 2003-12-1 9889 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  UCR149390  Verbesina encelioides Scott D. White 2003-12-1 9889 Riverside Santa Ana River Valley; city of Riverside; La Sierra area 244 Comment
  RSA671728  Verbesina encelioides subsp. exauriculata F. R. Schallert 1953-6-1 1464 Riverside Near Riverside. Comment
  UC62880  Verbesina encelioides subsp. exauriculata H. M. Hall June 1900 1403 Riverside near Riverside; Santa Ana River Comment
  UCD136977  Verbesina encelioides subsp. exauriculata Steve Boyd 1987-9-1 2089 Riverside Jurupa-Mira Loma area west of Riverside along Van Buren Ave, just south of Jurupa Road. Comment
  UCR51855  Verbesina encelioides subsp. exauriculata Steve Boyd 1987-9-1 2089 Riverside Jurupa-Mira Loma area west of Riverside along Van Buren Ave, just south of Jurupa Rd. Comment
  UCR272483  Veronica Mitch Provance 2013-6-16 613- 26 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, El Dorado Park on Warren St., about 0.35 mi W of Van Buren Blvd. 225 Comment
  CLARK-A1528-4327  Veronica americana John C. Roos, Lucille Roos 1951-10-24 5338 Riverside Pedley 228 Comment
  CSUSB899  Veronica anagallis-aquatica M. Quinlan 1974-5-25 Riverside Found in Riverside county on the bank of the Santa Ana River about 1 mile form the Riverside Municipal Airport in Riverside 266 Comment
  UCR114317  Veronica anagallis-aquatica Mitch Provance 1998-3-21 272 Riverside Jurupa Hills, Sunnyslope, near the Ormand Quarry, at the corner of 30th St. and Sierra Ave. 274 Comment
  UCR3327  Veronica anagallis-aquatica Warren Mouw 1964-5-10 640510- 01 Riverside Riverside, edge of Santa Ana River about 100 ft. upstream from Union Pacific Bridge 244 Comment
  SEINET3078493 Image available Veronica persica Unknown 1965-4-7 s.n. Riverside 3992 Bandini Avenue, Riverside. 262 Comment
  UCR3326  Veronica persica Warren Mouw 1964-5-10 640510- 02 Riverside Riverside, in lawn at 5620 Walter 267 Comment
  UCR4096  Veronica persica Carole Sims 1965-3-27 s.n. Riverside Riverside, lawn at 3992 Bandini 259 Comment
  RSA0105848  Vicia ludoviciana Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  SDSU2568  Vinca major Thomas Zink 1971-3-1 Riverside The Santa Ana River bottom just south of Fairmont Park, 244 Comment
  CSUSB288  Viola odorata Margaret-Lee Dean 1965-4-23 Riverside 3908 Linwood Place, Riverside 262 Comment
  SD254716  Viola odorata Mitch Provance 2013-7-13 613 29 Riverside San Bernardino Valley: Riverside, Wood Streets area, Magnolia Elementary School on the corner of Maplewood Place and Magnolia Ave. 255 Comment
  UCR150434  Viola odorata A. C. Sanders 2005-1-22 29076 Riverside Riverside, 5081 Magnolia Ave. 259 Comment
  UCR272495  Viola odorata Mitch Provance 2013-7-13 613- 29 Riverside San Bernardino Valley, Riverside, Wood Streets area, Magnolia Elementary School on the corner of Maplewood Place and Magnolia Avenue. 255 Comment
  POM3018  Viola pedunculata Geo R. Hall 1901-3-17 198 Riverside [No location information provided.] Comment
  CLARK-A1528-4425  Vitis girdiana John C. Roos 1965-10-7 Riverside Riverside Comment
  CSUSB280  Vitis girdiana Kirk Taylor 1976-5-29 76-5-29 1 Riverside Fairmount Park, city of Riverside; West end of Lake Evans. Comment
  CSUSB281  Vitis girdiana Eugene Cardiff 1950-5-18 Riverside Santa Ana River Santa Ana River, 5 miles west of Riverside (city). 304 Comment
  CSUSB282  Vitis girdiana Becky Alejandre 1970-5-7 7 Riverside Santa Ana River bottom in [city of] Riverside. Approximately 400 feet from Fairmount Park to the west. 408 Comment
  RSA696323  Vulpia myuros Keith E. Hoffmaster 1935-3-3 838 Riverside Near Santa Ana River, north of Arlington. Comment
  UC72522  Washingtonia gracilis S. B. Parish 1905-8-20 5536 Riverside Cult. at Riverside, Arlington Ave Comment
  UC72523  Washingtonia gracilis S. B. Parish 1905-8-20 5536 Riverside at Riverside, Cal Comment
  UCR125284  Washingtonia robusta A. C. Sanders 2003-1-14 25665 Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, Santa Ana River 220 Comment
  SBBG81111  Xanthium strumarium S. Cantrell, W. Appleby 1985-9-19 Riverside Santa Ana River Regional Park, Riverside, S side of river 207 Comment
  UCR113862  Xanthium strumarium Mitch Provance 2000-6-24 2057 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR239920  Xanthium strumarium O. F. Clarke 2004-3-14 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge 215 Comment
  CLARK-A1528-311  Xanthium strumarium var. canadense Fred B. Essig 1966-9-12 Riverside Riverside Comment
  CLARK-A1528-312  Xanthium strumarium var. canadense Ken F. Clarke 1971-9-7 Riverside Riverside Comment
  CLARK-A1528-5392  Xanthium strumarium var. canadense John C. Roos 1951-9-25 5279 Riverside Riverside 259 Comment
  CLARK-A1528-313  Xanthium strumarium var. glabratum John C. Roos 1951-9-25 5279 Riverside Riverside 259 Comment
  UC1009484  Yucca brevifolia J. M. Webber 1945-4-5 426 Riverside Citrus Experiment Station Riverside Comment
  UC1009209  Yucca whipplei J. M. Webber 1948-5-5 433 Riverside Grant School Grounds Comment
  UC1009210  Yucca whipplei J. M. Webber 1948-5-5 431 Riverside Grant School Grounds Comment
  POM319690  Zannichellia palustris Patricia Wilder 1971-11-11 5312 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 Comment
  SEINET3132491  Zannichellia palustris S. B. Parish 1907-10-12 6501 San Bernardino West Riverside, San Bernardino Valley 305 Comment
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Sep 27 2016
  UCR20854  Zannichellia palustris S. Beckstrom-Sternberg 1980-6-2 6280 2 5 Riverside Riverside, stream c. 150 m east of visitor's center at Santa Ana River Regional Park Comment
  UCR277548  Zannichellia palustris Mitch Provance 2003-4-5 17199 Riverside San Bernardino Valley, Riverside, Santa Ana River, Fairmont Park, N side of Lake Evans, adjacent to the bike path on the N side of Dexter Dr., just W of the American Legion and the historic Boy Scouts Camp. 241 Comment
  UCR277934  Zannichellia palustris Mitch Provance 2011-7-29 17036 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  CDA9044  Zinnia elegans Steve Boyd 1989-7-9 3779 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  UCR65275  Zinnia elegans Steve Boyd 1989-7-9 3779 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  UCR113882  Ziziphus jujuba Mitch Provance 1998-9-5 1029 Riverside City of Riverside, Hillside area, along the south side of Dewey St., between Streeter Ave. and Palm Ave. 238 Comment
  UCR125211  Ziziphus jujuba Mitch Provance 1998-5-28 538 Riverside City of Riverside, Hillside area, along the south side of Dewey St., between Streeter Ave. and Palm Ave. 238 Comment



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