34.03389 34.13389 -118.04917 -117.94917 UC/JEPS: Consortium Search Results
Search Results — 740 specimen records retrieved (740 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR193936  Acer negundo A. C. Sanders 2008-7-10 35722 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UC577640  Achnatherum coronatum H. S. Yates 1937-6-24 6595 Los Angeles San Gabriel Wash Pomona Quadrangle Comment
  SBBG126171  Acmispon americanus var. americanus A. C. Sanders with T. B. Salvato, M. Provance 2009-5-27 36965 Los Angeles confluence of San Gabriel River and Walnut Crk, between El Monte and Baldwin Park, S of I-10 Fwy and N of Valley Blvd, W of I 605 Fwy, under SCE powerlines 83 Comment
Read comments
Feb 28 2014
  SBBG126260  Acmispon glaber var. brevialatus A. C. Sanders with T. B. Salvato, M. Provance 2009-5-28 37020 Los Angeles San Gabriel River channel between Ramona Blvd and Lower Azusa Rd, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  SBBG126128  Acmispon glaber var. glaber A. C. Sanders with T. B. Salvato, M. Provance 2009-5-28 37021 Los Angeles San Gabriel River channel between Ramona Blvd and Lower Azusa Rd, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  SEINET6085075  Ageratina adenophora Unknown 1947-4-27 6470 Los Angeles Mountain Cave. 1 mile south of Monrovia. Comment
  UC205246  Agrostis stolonifera I. Johnston 1917-5-13 1021 Los Angeles El Monte 83 Comment
  RSA410058  Allophyllum divaricatum F. R. Fosberg 1930-7-3 53080 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UCR206476  Amaranthus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36964 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  UCR206501  Amaranthus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36962 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  POM714  Amaranthus blitoides I. M. Johnston 1918-7-29 2098 Los Angeles El Monte. Along Railroad. 91 Comment
  UC213022  Amaranthus blitoides I. M. Johnston 1918-7-29 2098 Los Angeles El Monte 91 Comment
  SBBG126259  Amaranthus palmeri A. C. Sanders with T. B. Salvato, M. Provance 2009-5-28 36991 Los Angeles San Gabriel River channel between Ramona Blvd and Lower Azusa Rd, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  UCR205654  Amaranthus palmeri A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36991 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  RSA625863  Ambrosia acanthicarpa Scott D. White 1998-4-19 6270 Los Angeles Irwindale, San Gabriel River Basin, Santa Fe Flood Control Basin on disturbed alluvial fan. 152 Comment
  RSA746549  Ambrosia acanthicarpa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37031 Los Angeles San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  CAS-BOT-BC45005  Ambrosia confertiflora Ivan Murray Johnston 1920-1-1 s.n. Los Angeles Arcadia along Huntington Drive 152 Comment
  POM4808  Ambrosia confertiflora I. M. Johnston 1920-1-1 s.n. Los Angeles Arcadia, along Huntington Drive. 152 Comment
  SBBG126267  Ambrosia confertiflora A. C. Sanders with T. B. Salvato 2009-5-29 37040 Los Angeles Irwindale on W side of Santa Fe Dam, W edge of the 605 Fwy N of Arrow Hwy and S of where the freeway crosses the NW end of the dam 130 Comment
Read comments
May 2 2014
  UCR205711  Ambrosia confertiflora A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37031 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR206168  Ambrosia confertiflora A. C. Sanders, T. B. Salvato 2009-5-29 37040 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  POM2016  Anemopsis californica I. M. Johnston 1917-5-13 1028 Los Angeles El Monte. Comment
  RSA503833  Anemopsis californica F. R. Fosberg 1930-7-3 S 3091 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  UCR205685  Anthemis cotula A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36913 Los Angeles San Gabriel Valley, San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee 70 Comment
  RSA470373  Apiastrum angustifolium L. C. Wheeler 1932-5-4 685 Los Angeles San Gabriel Wash 107 Comment
  SEINET3244632  Apiastrum angustifolium Louis C. Wheeler 1932-1 685 Los Angeles San Gabriel Wash 107 Comment
  RSA652401  Arctostaphylos glauca Brent Mishler 1977-10-6 s.n. Los Angeles San Gab. R. flood control Area, Irwindale. 170 Comment
  RSA762652  Artemisia californica R. G. Swinney 2008-11-30 9881 Los Angeles Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UCR205881  Artemisia californica A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37084 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  UCR210438  Artemisia californica R. G. Swinney 2008-11-30 9881 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  RSA417279  Artemisia douglasiana Anstruther Davidson 1901-8-1 623 Los Angeles El Monte. Comment
  UCR205694  Artemisia douglasiana A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37023 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR210513  Arundo donax R. G. Swinney 2008-11-30 9886 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UCR205640  Asclepias fascicularis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37004 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  POM1787  Asparagus officinalis I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 84 Comment
  RSA417723  Aster eatonii F. R. Fosberg 1930-7-3 3120 Los Angeles El Monte. (Lexington Wash, San Gabriel River) 80 Comment
  POM4774  Aster hesperius I. M. Johnston 1918-10-21 2162 Los Angeles El Monte. Comment
  RSA482795  Athysanus pusillus Anstruther Davidson 1892-04 s.n. Los Angeles Los Angeles. El Monte. Comment
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Oct 3 2010
  RSA65386  Atriplex rosea F. W. Peirson 1920-6-22 s.n. Los Angeles Bassett, near El Monte Comment
  RSA65373  Atriplex serenana F. W. Peirson 1920-6-22 1818 Los Angeles Bassett, near El Monte. Comment
  RSA649002  Avena fatua Scott Lowe 1991-4-20 10 Los Angeles San Gabriel River channel, about 100 m. south of Valley Boulevard bridge, city of El Monte. Comment
  RSA650450  Avena fatua David B. Dunn, H. Lint, P. Tolstoy 1948-4-23 s.n. Los Angeles Bonita Ave. near Irwindale Ave. Irwindale. Comment
  UC211178  Azolla filiculoides I. Johnston 1917-5-13 1030 Los Angeles El Monte Comment
  CDA10374  Baccharis glutinosa Phillipson 1915-8-12 Los Angeles E. Elmonte [East El Monte]. Comment
Read comments
Jul 20 2012
  RSA418215  Baccharis salicifolia F. R. Fosberg 1930-7-3 3087 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  RSA763508  Baccharis salicifolia R. G. Swinney 2008-11-30 9883 Los Angeles Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UCR210443  Baccharis salicifolia R. G. Swinney 2008-11-30 9883 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  RSA651197  Berberis nevinii R. N. Berlin 1948-2-7 s.n. Los Angeles [El Monte] Library, [El Monte] Comment
  POM350850  Bidens pilosa F. R. Fosberg 1930-7-3 3099 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UCR205718  Bidens pilosa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36922 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  SBBG126172  Bolboschoenus maritimus A. C. Sanders with T. B. Salvato, M. Provance 2009-5-27 36963 Los Angeles confluence of San Gabriel River and Walnut Crk, between El Monte and Baldwin Park, S of I-10 Fwy and N of Valley Blvd, W of I 605 Fwy, under SCE powerlines 83 Comment
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Mar 24 2014
  UCR205646  Brassica rapa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36938 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  CAS-BOT-BC149200  Bromus carinatus var. carinatus Le Roy Abrams 1901-4-1 1395 Los Angeles Monte Vista. Comment
  RSA650414  Bromus diandrus David B. Dunn, H. Lint, P. Tolstoy 1948-4-23 s.n. Los Angeles Bonita Ave. near Irwindale Ave. Irwindale. Comment
  POM7098  Bromus hordeaceus L. T. Street, G. Williams 1919-5-10 2694 Los Angeles San Gabriel River near Bassett. 90 Comment
  POM7130  Bromus hordeaceus L. T. Street, G. Williams 1919-4-12 2498 Los Angeles Hills near Puente. Comment
  RSA650443  Bromus hordeaceus David B. Dunn, H. Lint, P. Tolstoy 1948-4-23 s.n. Los Angeles Bonita Ave. near Irwindale Ave. Irwindale. Comment
  CDA1843  Bromus madritensis subsp. madritensis Scott D. White 1998-6-1 6710 Los Angeles San Gabriel Mountains; San Antonio Canyon, ca 1.5 air mi N of San Antonio Dam/Shinn Road (=Mountain Ave) Bridge over San Antonio Creek, immediately west of USFS San Antonio Fire Station Comment
  RSA626517  Bromus sterilis Scott D. White 1998-6-10 6710 Los Angeles San Antonio Canyon: About 1.5 air miles north of San Antonio Dam. Shinn Rd. (=Mountain Ave.) bridge over San Antonio Creek, immediately west of USFS San Antonio Fire Station. 762 Comment
  RSA394820  Calystegia sepium subsp. limnophila Anstruther Davidson 1890-04 1891 Los Angeles San Gabriel River near El Monte. Comment
  RSA625857  Camissonia Scott D. White, Pam DeVries 1998-4-19 6282 Los Angeles Irwindale, San Gabriel River Basin, Santa Fe Flood Control Basin on disturbed alluvial fan. 152 Comment
  RSA625859  Camissonia bistorta Scott D. White, Pam DeVries 1998-4-19 6277 Los Angeles Irwindale, San Gabriel River Basin, Santa Fe Flood Control Basin on disturbed alluvial fan. 152 Comment
  RSA651860  Camissonia bistorta David B. Dunn, H. Lint, P. Tolstoy 1948-4-23 s.n. Los Angeles 2 blocks west & one block north of Cypress Ave. & Irwindale Ave. NW of Covina. Comment
  UCR205681  Camissonia bistorta A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36917 Los Angeles San Gabriel Valley, San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee 70 Comment
  UCR205725  Camissonia bistorta A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37008 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR206131  Camissonia bistorta A. C. Sanders, T. B. Salvato 2009-5-29 37051 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  RSA466158  Camissonia californica F. R. Fosberg 1930-7-3 451 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UCR205697  Camissonia californica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37025 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR205633  Camissonia micrantha A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36996 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR205689  Camissonia micrantha A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36916 Los Angeles San Gabriel Valley, San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee 70 Comment
  UCR206508  Camissonia micrantha A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36945 Los Angeles San Gabriel Valley, Baldwin Park, San Gabriel River channel south of Ramona Blvd. and north of I-10 Fwy, under SCE powerlines 91 Comment
  UCR205690  Cardamine flexuosa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36979 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  CAS-BOT-BC17686  Carex alma I. Johnston 1917-5-13 27 E Los Angeles El Monte. 121 Comment
  CAS-BOT-BC17687  Carex alma I. Johnston 1917-5-13 27 E Los Angeles El Monte. 121 Comment
  POM1430  Carex alma I. M. Johnston 1917-5-13 27 -D Los Angeles El Monte. 122 Comment
  UC212018  Carex alma I. Johnston 1917-5-13 27 E Los Angeles El Monte 121 Comment
  CAS-BOT-BC118971  Carex pellita Ivan Murray Johnston 1917-5-13 s.n. Los Angeles El Monte, ditch along RR. 114 Comment
  UC212035  Carex pellita I. Johnston 1917-5-13 Los Angeles ditch along R.R., El Monte El Monte 83 Comment
  RSA88757  Carex praegracilis F. W. Peirson 1918-4-28 1624 Los Angeles Southeast of El Monte. Comment
  POM1513  Carex spissa I. M. Johnston 1917-5-13 27 -A Los Angeles El Monte. 122 Comment
  UC538073  Castilleja exserta subsp. exserta David D. Keck 1935-3-18 3018 Los Angeles 2 mi e El Monte; San Gabriel River 91 Comment
  POM4449  Castilleja minor subsp. spiralis I. M. Johnston 1917-5-13 983 Los Angeles El Monte. 91 Comment
  RSA448776  Castilleja minor subsp. spiralis F. R. Fosberg 1930-7-3 S- 3116 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UCR139374  Castilleja minor subsp. spiralis I. M. Johnston 1917-5-13 983 Los Angeles San Gabriel Valley, El Monte 91 Comment
  UCR205638  Catalpa speciosa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37006 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  RSA650466  Ceanothus oliganthus Brent Mishler 1977-10-6 s.n. Los Angeles San Gab. R. flood control area, Irwindale. 177 Comment
  UCR193642  Celtis australis A. C. Sanders 2008-7-10 35730 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  RSA750897  Celtis sinensis A. C. Sanders 2008-7-10 35741 Los Angeles Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR193948  Celtis sinensis A. C. Sanders 2008-7-10 35741 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  POM351502  Centaurea melitensis F. R. Fosberg 1930-7-3 S 3032 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UCR206478  Centaurea solstitialis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36966 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  POM351749  Chaenactis glabriuscula var. glabriuscula F. R. Fosberg 1930-7-3 3078 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  RSA432472B  Chamaesyce serpillifolia F. R. Fosberg 1930-7-3 S- 3113 Los Angeles El Monte. 85 Comment
  RSA749853  Chenopodium album A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36957 Los Angeles confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 83 Comment
  RSA749856  Chenopodium album A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36992 Los Angeles San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  SD197742  Chenopodium album A. C. Sanders, T. B. Salvato and Mitch Provance 2009-5-28 36992 Los Angeles San Gabriel Valley; San Gabriel River channel between Ramona Blvd. and Loweer Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte. 92 Comment
  UCR205542  Chenopodium album A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36908 Los Angeles San Gabriel Valley, South El Monte, north side of San Gabriel River between Peck Rd. and Hwy 60, adjacent to storage facility under SCE power lines 73 Comment
  UCR205637  Chenopodium album A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36992 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR206515  Chenopodium album A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36957 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  RSA749857  Chenopodium berlandieri A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36999 Los Angeles San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  SD197746  Chenopodium berlandieri A. C. Sanders, T. B. Salvato and Mitch Provance 2009-5-28 36999 Los Angeles San Gabriel Valley; San Gabriel River channel between Ramona Blvd. and Loweer Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte. 92 Comment
  UCR205630  Chenopodium berlandieri A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36999 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  POM219206  Chenopodium botrys L. C. Wheeler 1932-5-26 750 Los Angeles San Gabriel wash at Arrow Highway. 107 Comment
  RSA478456  Chenopodium botrys F. R. Fosberg 1930-7-3 S 3093 Los Angeles San Gabriel River, El Monte. Comment
  UCR205730  Chenopodium pumilio A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37014 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  NY32511  Chorizanthe leptoceras A. M. Ottley 1920-5-12 678 Los Angeles Santa Anita Wash. Comment
  RSA392778  Chorizanthe parryi var. parryi Louis C. Wheeler 1932-5-26 744 Los Angeles San Gabriel Wash. 107 Comment
  CAS-BOT-BC244661  Chorizanthe staticoides John Thomas Howell 1931-5-31 6621 A Los Angeles San Gabriel Wash Comment
  POM2196  Chorizanthe staticoides I. M. Johnston 1914-5-13 27 P Los Angeles San Gabriel Wash. 152 Comment
  RSA625865  Chorizanthe staticoides Pam De Vries 1998-4-19 s.n. Los Angeles Irwindale: Santa Fe Flood Control Basin (on the San Gabriel River). 152 Comment
  SBBG125048  Chorizanthe staticoides A. Parikh, N. Gale 2010-5-5 3145 Los Angeles San Gabriel Valley, near SW corner of Santa Fe Dam, 0.4 km ENE of intersection of I-605 and Arrow Hwy 130 Comment
  UC205953  Chorizanthe staticoides I. Johnston 1917-5-13 27 P Los Angeles San Gabriel Wash 152 Comment
  UCR238979  Chorizanthe staticoides Anuja Parikh 2010-5-5 3145 Los Angeles South Coast, San Gabriel Valley, near southwest corner of Santa Fe Dam, 0.4 km east-northeast of intersection of Hwy I-605 and Arrow Hwy 130 Comment
  UCR205634  Chrysanthemum coronarium A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36995 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  RSA747454  Cicer arietinum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36931 Los Angeles San Gabriel Valley: San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gabriel River greenway, along Edison powerlines. 71 Comment
  SD197765  Cicer arietinum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36931 Los Angeles San Gabriel Valley: San Gabriel River between Bassett and South El Monte, from Highway 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Avenue public access to San Gabriel River greenway, along Edison powerlines. 71 Comment
  UCR205651  Cicer arietinum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36931 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  POM6114  Cirsium brevistylum I. M. Johnston 1917-5-13 1026 Los Angeles El Monte. Comment
  SBBG98321  Cirsium brevistylum I. M. Johnston 1919-5-13 1026 Los Angeles El Monte Comment
  UCR206167  Cirsium occidentale var. occidentale A. C. Sanders, T. B. Salvato 2009-5-29 37041 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  CAS-BOT-BC285795  Cirsium vulgare Louis C. Wheeler 1932-7-14 1932 Los Angeles Lexington Wash near El Monte 73 Comment
  RSA466593  Cistanthe monandra L. C. Wheeler 1932-5-4 683 Los Angeles San Gabriel Wash 107 Comment
  CAS-BOT-BC172106  Clarkia dudleyana Scott D. White 1998-6-10 6713 Los Angeles About 1 1/2 air miles north of San Antonio Dam. Shinn Rd. (=Mountain Ave.) bridge over San Antonio Ck., immediately west of USFS San Antonion Fire Station. 762 Comment
  RSA627098  Clarkia dudleyana Scott D. White 1998-6-10 6713 Los Angeles San Antonio Canyon: About 1.5 air miles north of San Antonio Dam. Shinn Rd. (=Mountain Ave.) bridge over San Antonio Creek, immediately west of USFS San Antonio Fire Station. 762 Comment
  CAS-BOT-BC163726  Clarkia purpurea subsp. quadrivulnera Le Roy Abrams 1901-4-6 1403 Los Angeles Monte Vista Comment
  CAS-BOT-BC92811  Clematis pauciflora Louis C. Wheeler 1932-5-4 680 Los Angeles San Gabriel Wash. 106 Comment
  LA207214  Clematis pauciflora Louis C. Wheeler; 1932-5-4 680 Los Angeles San Gabriel Wash 106 Comment
  OBI10670  Clematis pauciflora Louis C. Wheeler 1932-5-4 680 Los Angeles San Gabriel Wash 107 Comment
  RSA386280  Clematis pauciflora Louis C. Wheeler 1932-5-4 680 Los Angeles San Gabriel Wash 107 Comment
  POM223076  Conium maculatum L. C. Wheeler 1933-7-7 1916 Los Angeles Lexington Wash near El Monte. 73 Comment
  RSA470546  Conium maculatum F. R. Fosberg 1930-7-3 S- 3037 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  SEINET8129022 Image available Conium maculatum L. C. Wheeler 1933-1 1916 Los Angeles Edge of Salix-Populus jungle, Lexington Wash near El Monte Comment
  CAS-BOT-BC286121  Conyza canadensis L. Street; G. Williams 1919-5-10 2707 Los Angeles San Gabriel River Bed, near Bassett Comment
  POM6933  Conyza canadensis L. T. Street, G. Williams 1919-5-10 2707 Los Angeles Near Bassett 90 Comment
  UCR205672  Coronopus didymus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36976 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  UCR205741  Cosmos bipinnatus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36989 Los Angeles San Gabriel Valley, San Gabriel River channel between Lower Azusa Rd. and the I-605 crossing, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 110 Comment
  UC485351  Cotula coronopifolia I. Johnston May 1917 1027 Los Angeles El Monte 82 Comment
  UCR136329  Crassula colligata subsp. lamprosperma Bob Muns 2002-5-28 s.n. Los Angeles Transverse Range, San Gabriel Mtns, Santa Fe Dam Recreation Area, old San Gabriel River floodplain, on side of road leading to the Lario San Gabriel River Trail parking area, just north of Foothill Blvd in the city of Irwindale 143 Comment
  JEPS50003  Crassula connata var. erectoides Frank W. Peirson 1920-4-26 2112 Los Angeles Santa Anita Wash San Gabriel Mts., Santa Anita Wash 213 Comment
  RSA625860  Crassula tillaea Scott D. White, Pam DeVries 1998-4-19 6275 Los Angeles Irwindale, San Gabriel River Basin, Santa Fe Flood Control Basin on disturbed alluvial fan. 152 Comment
  UC1121538  Crocanthemum scoparium var. vulgare H. S. Yates 1937-6-24 6597 Los Angeles San Gabriel Wash Pomona Quad. 167 Comment
  RSA479356  Croton californicus F. R. Fosberg 1930-7-3 S - 3107 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  SBBG126266  Croton californicus A. C. Sanders with T. B. Salvato, M. Provance 2009-5-28 37002 Los Angeles San Gabriel River channel between Ramona Blvd and Lower Azusa Rd, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  UCR100070  Croton californicus R. G. Swinney 1969-4-22 342 Los Angeles San Gabriel Valley, N and adjacent to Barnes Park along Rivergrade Rd., Baldwin Park. c. 200 yards east of San Gabriel River Channel. 91 Comment
  UCR193633  Croton californicus A. C. Sanders 2008-7-10 35734 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR205543  Croton californicus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36909 Los Angeles San Gabriel Valley, South El Monte, north side of San Gabriel River between Peck Rd. and Hwy 60, adjacent to storage facility under SCE power lines 73 Comment
  UCR205653  Croton californicus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37002 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR205977  Croton californicus A. C. Sanders, T. B. Salvato 2009-5-29 37048 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  UCR205889  Croton setiger A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37087 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  POM6573  Cryptantha intermedia L. T. Street, G. Williams 1919-5-10 2698 Los Angeles Near Bassett 90 Comment
  RSA0076103  Cryptantha intermedia Scott D. White 1998-6-10 6714 Los Angeles San Antonio Canyon: About 1.5 air miles north of San Antonio Dam. Shinn Rd. (=Mountain Ave.) bridge over San Antonio Creek, immediately west of USFS San Antonio Fire Station. 762 Comment
  UCR206171  Cryptantha intermedia A. C. Sanders, T. B. Salvato 2009-5-29 37055 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  POM6667  Cryptantha micrantha L. T. Street, G. Williams 1919-5-10 2717 Los Angeles Near Bassett 90 Comment
  RSA499644  Cryptantha micrantha Anstruther Davidson 1892-04 s.n. Los Angeles Los Angeles. El Monte. Comment
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  RSA626510  Cryptantha microstachys Scott D. White 1998-6-10 6712 Los Angeles San Antonio Canyon: About 1.5 air miles north of San Antonio Dam. Shinn Rd. (=Mountain Ave.) bridge over San Antonio Creek, immediately west of USFS San Antonio Fire Station. 762 Comment
  UCR144098  Cryptantha microstachys Scott D. White 1998-6-10 6712 Los Angeles San Gabriel Mtns, San Antonio Canyon, c. 1.5 air mi N of San Antonio Dam/Shinn Road (=Mountain Ave) Bridge over San Antonio Creek, immediately west of USFS San Antonio Fire Station 777 Comment
  UCR193640  Cucurbita foetidissima A. C. Sanders 2008-7-10 35727 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR205686  Cucurbita foetidissima A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36914 Los Angeles San Gabriel Valley, San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee 70 Comment
  SD237411  Cuscuta californica A. C. Sanders, Mitch Provance, T. G. Salvato 2009-6-1 37089 Los Angeles San Gabriel Valley: west edge of I-605 and c. 1 mile west of the center of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte. 139 Comment
  UCR205728  Cuscuta californica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37012 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR205887  Cuscuta californica A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37089 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  UCR206165  Cuscuta californica A. C. Sanders, T. B. Salvato 2009-5-29 37058 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  POM222505  Cuscuta campestris L. C. Wheeler 1936-6-28 4193 Los Angeles 3 miles SE of El Monte. 76 Comment
  UCR193644  Cuscuta indecora A. C. Sanders 2008-7-10 35731 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR206513  Cuscuta pentagona A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36955 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  RSA409716  Cuscuta subinclusa F. R. Fosberg 1930-7-3 451 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  RSA747457  Cuscuta subinclusa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36928 Los Angeles San Gabriel Valley: San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gabriel River greenway, along Edison powerlines. 71 Comment
  UCR205656  Cuscuta subinclusa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36928 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  UCR246766  Cuscuta subinclusa Pat Akers 2008-9-10 PDR 1440793 Los Angeles El Monte, on San Gabriel [River], north of Thienes [Ave.] Comment
  UCR24273  Cycloloma atriplicifolium John C. Roos 1937-9-29 s.n. Los Angeles San Gabriel Valley, near the San Gabriel River, in El Monte 91 Comment
  UCR205692  Cyclospermum leptophyllum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36981 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  UCR205547  Cynara cardunculus A. C. Sanders, T. B. Salvato 2009-5-29 37038 Los Angeles San Gabriel Valley, Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  RSA365073  Cyperus eragrostis F. R. Fosberg 1930-7-3 S- 3031 Los Angeles El Monte. (Lexington Wash, San Gabriel River) 80 Comment
  RSA610522  Cyperus eragrostis L. C. Wheeler 1933-7-7 1923 Los Angeles Lexington Wash near El Monte. 73 Comment
  UCR210505  Cyperus eragrostis R. G. Swinney 2008-11-30 9870 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UCR206511  Cyperus esculentus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36953 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  POM3045  Datisca glomerata I. M. Johnston 1914-5-13 1024 Los Angeles El Monte Comment
  RSA421920  Datura stramonium F. R. Fosberg 1930-7-3 S- 3034 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  RSA747452  Datura stramonium A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36940 Los Angeles San Gabriel Valley: San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gabriel River greenway, along Edison powerlines. 71 Comment
  UCR205647  Datura stramonium A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36940 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  CAS-BOT-BC9097  Delphinium cardinale Louis Cutter Wheeler 1947-6-27 6531 Los Angeles San Gabriel Mountains: San Gabriel Wash, 0.25 miles south of Arrow Highway Comment
  RSA607714  Delphinium cardinale Louis C. Wheeler 1947-6-27 6531 Los Angeles San Gabriel Mountains: San Gabriel Wash, 1/4 mile south of Arrow Highway. Comment
  SD215632  Delphinium cardinale Louis C. Wheeler 1947-6-27 6531 Los Angeles San Gabriel Mountains: San Gabriel Wash, Ao mile south of Arrow Highway Comment
  SD230276  Delphinium cardinale Louis C. Wheeler 1947-6-27 6531 Los Angeles San Gabriel Mountains: San Gabriel Wash, Ao mile south of Arrow Highway. Comment
  UCR142528  Delphinium cardinale Michelle Manolovitz, Brian Manolovitz 1992-5-19 33 Los Angeles Transverse Ranges: San Gabriel Mountains region, San Gabriel Valley, Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 0.5 miles northeast of park office 160 Comment
  UCR143550  Delphinium cardinale L. C. Wheeler 1947-6-27 6531 Los Angeles San Gabriel Valley, San Gabriel Wash, 0.25 mile south of Arrow Highway 122 Comment
  UCR205724  Digitaria sanguinalis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37009 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  CAS-BOT-BC166982  Diplacus longiflorus A. C. Sanders; T. B. Salvato 2009-5-29 37033 Los Angeles San Gabriel Valley: Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Hwy, S of Live Oak Ave. 114 Comment
  CAS-BOT-BC195620  Distichlis spicata I. Johnston 1917-5-13 s.n. Los Angeles El Monte 91 Comment
  UC1795542  Distichlis spicata I. Johnston 1917-5-13 Los Angeles El Monte Comment
  UCR205533  Dudleya lanceolata A. C. Sanders, T. B. Salvato 2009-5-29 37036 Los Angeles San Gabriel Valley, Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  RSA762653  Dysphania ambrosioides R. G. Swinney 2008-11-30 9882 Los Angeles Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UCR210441  Dysphania ambrosioides R. G. Swinney 2008-11-30 9882 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UCR205668  Echinochloa crus-galli A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36937 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  CAS-BOT-BC167111  Eclipta prostrata A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-27 36977 Los Angeles San Gabriel Valley: Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  UCR205673  Eclipta prostrata A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36977 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  SBBG126182  Ehrharta erecta A. C. Sanders with T. B. Salvato, M. Provance 2009-5-27 36971 Los Angeles Baldwin Park, light industrial park at end of Cloverleaf Dr, E bank of San Gabriel River NE of its confluence with Walnut Crk, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  UCR205743  Ehrharta erecta A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36971 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  CAS-BOT-BC113037  Eleocharis montevidensis Street; Williams 1919-5-10 2715 Los Angeles San Gabriel River bed near Bassett 89 Comment
  CAS-BOT-BC113044  Eleocharis montevidensis I. Johnston May 13 1019 Los Angeles El Monte, ditch along Rail Road. 83 Comment
  UC306107  Eleocharis montevidensis I. Johnston 1917-5-13 1019 Los Angeles El Monte, along R.R. 83 Comment
  POM1373  Eleocharis montevidensis var. montevidensis I. M. Johnston 1917-5-13 1019 Los Angeles El Monte. 84 Comment
  UCR205531  Eleusine indica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36970 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  RSA401549  Emmenanthe penduliflora F. R. Fosberg 1930-7-3 s 3079 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  SBBG126264  Encelia farinosa A. C. Sanders with T. B. Salvato 2009-5-29 37043 Los Angeles Irwindale on W side of Santa Fe Dam, W edge of 605 Fwy N of Arrow Hwy and S of where the freeway crosses the NW end of the dam 130 Comment
  UCR205978  Encelia farinosa var. farinosa A. C. Sanders, T. B. Salvato 2009-5-29 37049 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  UCR206164  Encelia farinosa var. phenicodonta A. C. Sanders, T. B. Salvato 2009-5-29 37043 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  CAS-BOT-BC167110  Epilobium ciliatum A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-27 36975 Los Angeles San Gabriel Valley: Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  UCR205671  Epilobium ciliatum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36975 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  POM3150  Epilobium ciliatum subsp. ciliatum I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 91 Comment
  RSA588473  Epilobium ciliatum subsp. ciliatum F. R. Fosberg 1930-7-3 S- 3030 Los Angeles Lexington Wash, San Gabriel River, El Monte. Comment
  UC306263  Epilobium ciliatum subsp. ciliatum I. Johnston 1917-5-13 Los Angeles El Monte 91 Comment
  RSA381705  Epipactis gigantea Anstruther Davidson 1891-05 s.n. Los Angeles El Monte. Comment
  UC211429  Equisetum X ferrissii I. Johnston 1917-5-13 27 T Los Angeles El Monte 121 Comment
  CAS-BOT-BC57902  Equisetum arvense Louis C. Wheeler 1933-7-7 1919 Los Angeles Lexington Wash near El Monte. 73 Comment
  RSA639594  Equisetum arvense L. C. Wheeler 1933-7-7 1919 Los Angeles Lexington Wash near El Monte. 73 Comment
  CAS-BOT-BC57172  Equisetum hyemale subsp. affine I. Johnston 1917-5-13 271 Los Angeles El Monte 121 Comment
  CAS-BOT-BC57173  Equisetum hyemale subsp. affine I. Johnston 1917-5-13 271 Los Angeles El Monte 121 Comment
  CAS-BOT-BC57309  Equisetum laevigatum Louis C. Wheeler 1933-10-20 2175 Los Angeles San Gabriel River 76 Comment
  CAS-BOT-BC57320  Equisetum laevigatum I. Johnston 1917-5-13 27 V Los Angeles El Monte 106 Comment
  CAS-BOT-BC57321  Equisetum laevigatum I. Johnston 1917-5-13 27 V Los Angeles El Monte 106 Comment
  RSA84288  Equisetum laevigatum F. W. Peirson 1920-5-12 2133 Los Angeles El Monte Comment
  UC211459  Equisetum laevigatum I. Johnston 1917-5-13 27 U Los Angeles El Monte 106 Comment
  UCR132443  Equisetum laevigatum L. C. Wheeler 1933-10-20 2175 Los Angeles San Gabriel Valley, [Whittier Narrows] San Gabriel River 76 Comment
  CAS-BOT-BC57761  Equisetum telmateia William Street 1919-5-10 2756 Los Angeles Bassett. 89 Comment
  UCR205635  Eragrostis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36994 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR205636  Eragrostis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36993 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  RSA597977  Eragrostis barrelieri L. C. Wheeler 1947-5-31 6510 Los Angeles Arrow Highway north of Baldwin Park (Santa Fe Inn). Comment
  RSA792245  Eragrostis mexicana A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37017 Los Angeles San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  SD241687  Eragrostis mexicana A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37017 Los Angeles San Gabriel Valley: San Gabriel River channel between Ramona Blvd., and Lower Azusa Road, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines (Baldwin Park 7.5'Q) 96 Comment
  UCR205733  Eragrostis mexicana A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37017 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  RSA597976  Eragrostis mexicana subsp. virescens L. C. Wheeler 1947-5-31 6509 Los Angeles Arrow Highway north of Baldwin Park (Santa Fe Inn). Comment
  UCR206132  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato 2009-5-29 37052 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  RSA0122875  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders, T. B. Salvato 2009-5-29 37052 Los Angeles San Gabriel Valley: Irwindale on W side of Santa Fe Dam, W edge of the 605 Fwy N of Arrow Hwy and S of where the freeway crosses the NW end of the dam. 130 Comment
  SD72848  Eriastrum sapphirinum subsp. dasyanthum F. R. Fosberg 1930-6-3 S 3105 Los Angeles San Gabriel River, El Monte. Comment
  UCR206173  Ericameria pinifolia A. C. Sanders, T. B. Salvato 2009-5-29 37057 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  CAS-BOT-BC295960  Erigeron philadelphicus I. Johnston 1917-5-13 1020 Los Angeles El Monte 83 Comment
  POM357559  Erigeron philadelphicus Anstruther Davidson 1890-05 2017 Los Angeles San Gabriel [River] near El Monte Comment
  POM357560  Erigeron philadelphicus F. R. Fosberg 1930-7-3 3028 Los Angeles El Monte. (Lexington Wash, San Gabriel River) 80 Comment
  POM4756  Erigeron philadelphicus I. M. Johnston 1917-5-13 1020 Los Angeles El Monte. 84 Comment
  POM7071  Erigeron philadelphicus L. T. Street, G. Williams 1919-5-10 2763 Los Angeles San Gabriel River near Bassett. 90 Comment
  CAS-BOT-BC253191  Eriogonum fasciculatum A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-28 37003 Los Angeles San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines, Baldwin Park 7.5' Q, San Gabriel Valley 99 Comment
  RSA647936  Eriogonum fasciculatum Michelle Manolovitz, Brian Willie 1992-4-27 1 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 200 feet northwest of park office. Comment
  RSA746550  Eriogonum fasciculatum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37003 Los Angeles San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  UCR193634  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders 2008-7-10 35732 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR205642  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37003 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  CAS-BOT-BC253275  Eriogonum fasciculatum var. foliolosum Le Roy Abrams 1900-8-1 1048 Los Angeles San Gabriel Wash Comment
  RSA393417  Eriogonum fasciculatum var. foliolosum F. R. Fosberg 1930-7-3 S 3038 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UCR142543  Eriogonum fasciculatum var. foliolosum Michelle Manolovitz, Brian Willie 1992-4-27 001 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Valley, Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 200 feet northwest of park office. 160 Comment
  CAS-BOT-BC253445  Eriogonum gracile Le Roy Abrams 1900-8-1 1050 Los Angeles San Gabriel Wash Comment
  UCR205946  Eriogonum gracile A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37081 A Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  RSA393236  Eriogonum gracile var. gracile F. R. Fosberg 1930-7-3 S 3089 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  RSA424971  Eriogonum thurberi F. R. Fosberg 1930-8-3 S 3081 Los Angeles Lexington Wash San Gabriel River. El Monte. 80 Comment
  RSA424974  Eriogonum thurberi Louis C. Wheeler 1932-5-26 749 Los Angeles San Gabriel Wash. 107 Comment
  SD72737  Eriogonum thurberi F. R. Fosberg 1930-7-3 S 3081 Los Angeles Lexington Wash, San Gabriel River, El Monte 79 Comment
  UCR139375  Eriogonum thurberi I. M. Johnston 1917-5-13 978 Los Angeles San Gabriel Valley, San Gabriel Wash 152 Comment
  POM357918  Eriophyllum confertiflorum F. R. Fosberg 1930-7-3 451 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  RSA650520  Erodium botrys David B. Dunn, H. Lint, P. Tolstoy 1948-4-23 s.n. Los Angeles Bonita Ave. near Irwindale Ave. Irwindale. Comment
  UCR205688  Erodium botrys A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36915 Los Angeles San Gabriel Valley, San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee 70 Comment
  UCR107036  Erodium brachycarpum R. G. Swinney 1969-4-22 s.n. Los Angeles San Gabriel Valley, N and adjacent to Barnes Park along Rivergrade Rd., Baldwin Park. c. 200 yards east of San Gabriel River Channel. 91 Comment
  RSA0010845  Eucalyptus camaldulensis R. G. Swinney 2008-11-30 9889 Los Angeles Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy. 165 Comment
  UCR210520  Eucalyptus camaldulensis R. G. Swinney 2008-11-30 9889 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UCR193636  Euphorbia A. C. Sanders 2008-7-10 35736 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR193942  Euphorbia A. C. Sanders 2008-7-10 35725 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR193943  Euphorbia A. C. Sanders 2008-7-10 35726 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  POM264765  Euphorbia helioscopia L. C. Wheeler 1933-11-9 2239 Los Angeles Rich soil in walnut grove. 2 miles SE El Monte. Comment
  UCR208874  Euphorbia helioscopia L. C. Wheeler 1936-6-28 4194 Los Angeles San Gabriel Valley, 3 mi. SE of El Monte 76 Comment
  UCR66721  Euphorbia helioscopia L. C. Wheeler 1933-11-9 02239 Los Angeles 2 mi SE El Monte 76 Comment
  UCR205693  Euphorbia maculata A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36982 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  UCR205731  Euphorbia maculata A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37015 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  CAS-BOT-BC532582  Euphorbia nutans A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-27 36944 Los Angeles San Gabriel Valley: Baldwin Park, San Gabriel River channel south of Ramona Blvd. and north of I-10 Fwy, under SCE powerlines 91 Comment
  SD260946  Euphorbia nutans A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36944 Los Angeles San Gabriel Valley: Baldwin Park, San Gabriel River channel south of Ramona Blve. And north of I-10 Fwy, under SCE powerlines. 86 Comment
  UCR206175  Euphorbia nutans A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36944 Los Angeles San Gabriel Valley, Baldwin Park, San Gabriel River channel south of Ramona Blvd. and north of I-10 Fwy, under SCE powerlines 91 Comment
  UCR99453  Euphorbia prostrata L. C. Wheeler 1960-7-9 7773 Los Angeles City of Duarte, 441 Pamela Street. 122 Comment
  UCR206174  Euphorbia serpens A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36943 Los Angeles San Gabriel Valley, Baldwin Park, San Gabriel River channel south of Ramona Blvd. and north of I-10 Fwy, under SCE powerlines 91 Comment
  UCR205677  Euphorbia serpillifolia A. C. Sanders, T. B. Salvato 2009-5-29 37034 Los Angeles San Gabriel Valley, Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  UCR205726  Euphorbia serpillifolia A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37007 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  LA13071  Festuca myuros A. M. Johnson; 1933-5-30 4301 Los Angeles San Gabriel Mountains, San Gabriel Wash Comment
  UCR205700  Ficus carica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37029 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  RSA625855  Filago californica Scott D. White, Pam De Vries 1998-4-19 6278 Los Angeles Irwindale: Santa Fe Flood Control Basin (on the San Gabriel River) 150 Comment
  A401251  Fraxinus latifolia Ivan M. Johnston 1918-7-28 2097 Unknown San Gabriel River at El Monte 91 Comment
  UCR193635  Fraxinus pennsylvanica subsp. velutina A. C. Sanders 2008-7-10 35733 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR205649  Fraxinus uhdei A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36942 Los Angeles San Gabriel Valley, San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee 70 Comment
  CAS-BOT-BC218563  Fraxinus velutina I. M. Johnston 1918-7-28 2097 Los Angeles San Gabriel River at El Monte 91 Comment
  UC277059  Fraxinus velutina I. M. Johnston 1918-7-28 2097 Los Angeles El Monte San Gabriel River 91 Comment
  UCR205652  Fraxinus velutina A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37001 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  POM3595  Fraxinus velutina var. coriacea I. M. Johnston 1918-7-28 2097 Los Angeles San Gabriel River at El Monte. 91 Comment
  RSA70353  Funastrum cynanchoides var. hartwegii F. W. Peirson 889 Los Angeles near bridge southeast of Monrovia. Comment
  POM358610  Galinsoga parviflora var. parviflora F. R. Fosberg 1930-7-3 S 3026 Los Angeles San Gabriel River, El Monte. Comment
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Jan 30 2017
  CAS-BOT-BC223023  Galium angustifolium A. C. Sanders; T. B. Salvato 2009-5-29 37035 Los Angeles San Gabriel Valley: Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  UCR205678  Galium angustifolium A. C. Sanders, T. B. Salvato 2009-5-29 37035 Los Angeles San Gabriel Valley, Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  LA208433  Galium nuttallii subsp. nuttallii John Thomas Howell; 1929-3-2 4101 Los Angeles San Gabriel Mountains, San Gabriel Wash, 2 mi S of Azusa Comment
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Jul 28 2014
  UCR205670  Gamochaeta pensylvanica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36974 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  CAS-BOT-BC303404  Gamochaeta ustulata Geo. B. Grant 1900-5-17 s.n. Los Angeles El Monte Comment
  RSA72221  Gaura sinuata F. W. Peirson 1919-8-10 2088 Los Angeles Along road from San Gabriel to El Monte. Comment
  POM2881  Geranium carolinianum I. M. Johnston 1917-05 1023 Los Angeles El Mouth Ditch along Railroad 84 Comment
  RSA390994  Geranium carolinianum I. M. Johnston 1917-05 1023 Los Angeles El Mouth Ditch along Railroad 84 Comment
  SBBG126925  Geranium rotundifolium A. Parikh, N. Gale 2011-5-21 3395 Los Angeles San Gabriel River, just W of I-605, 0.7 km N of Lower Azusa Rd/Los Angeles St 109 Comment
  UCR256592  Geranium rotundifolium Anuja Parikh, Nathan Gale 2011-5-21 3395 Los Angeles South Coast, San Gabriel River, just west of I-605, 0.7 km north of Lower Azusa Rd/Los Angeles St. 109 Comment
  UCR205732  Gilia angelensis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37016 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR205884  Gnaphalium californicum A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37091 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  POM358815  Gnaphalium chilense F. R. Fosberg 1930-7-3 3022 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UCR206522  Gnaphalium luteoalbum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36960 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  UCR205528  Gnaphalium stramineum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36910 Los Angeles San Gabriel Valley, South El Monte, north side of San Gabriel River between Peck Rd. and Hwy 60, adjacent to storage facility under SCE power lines 73 Comment
  UCR206523  Gnaphalium stramineum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36959 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  RSA763509  Helianthus annuus R. G. Swinney 2008-11-30 9884 Los Angeles Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UCR210444  Helianthus annuus R. G. Swinney 2008-11-30 9884 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  SBBG126173  Heliotropium curassavicum A. C. Sanders with T. B. Salvato, M. Provance 2009-5-27 36961 Los Angeles confluence of San Gabriel River and Walnut Crk, between El Monte and Baldwin Park, S of I-10 Fwy and N of Valley Blvd, W of I-605 Fwy, under SCE powerlines 83 Comment
  UCR206521  Heliotropium curassavicum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36961 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  UCR206512  Hemizonia fasciculata A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36954 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  UCR142552  Hesperocnide tenella L. C. Wheeler 1932-5-4 684 Los Angeles San Gabriel Valley, San Gabriel Wash 107 Comment
  CAS-BOT-BC135949  Hesperoyucca whipplei Louis C. Wheeler 1932-4-14 615 Los Angeles San Gabriel Wash 106 Comment
  UCR108321  Heterotheca grandiflora L. C. Wheeler 1970-10-10 s.n. Los Angeles Los Angeles Basin region; San Gabriel Valley, El Monte: Rio Hondo at Valley Boulevard 79 Comment
  UCR205947  Heterotheca grandiflora A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37081 B Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  UCR205949  Heterotheca grandiflora A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37079 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  UCR205727  Heterotheca sessiliflora A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37011 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR206517  Heterotheca sessiliflora A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36947 Los Angeles San Gabriel Valley, Baldwin Park, San Gabriel River channel south of Ramona Blvd. and north of I-10 Fwy, under SCE powerlines 91 Comment
  RSA471606  Heterotheca sessiliflora subsp. echioides F. R. Fosberg 1930-7-3 3101 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  SBBG126036  Heterotheca villosa A. Parikh, N. Gale 2010-5-4 3144 Los Angeles S of Santa Fe Dam, along E side of Live Oak Lane, 0.6 km SE of intersection of I-605 and Arrow Hwy 128 Comment
  UCR238977  Heterotheca villosa Anuja Parikh, Nathan Gale 2010-5-4 3144 Los Angeles South Coast, San Gabriel Valley, south of Santa Fe Dam, along east side of Live Oak Lane, 0.6 km southeast of intersection of Hwy I-605 and Arrow Hwy 128 Comment
  UCR108346  Heterotheca villosa var. villosa L. C. Wheeler 1970-10-10 s.n. Los Angeles Los Angeles Basin region; San Gabriel Valley, El Monte: Rio Hondo at Valley Boulevard 79 Comment
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Sep 10 2007
  RSA87063  Hordeum brachyantherum F. W. Peirson 1918-4-28 1606 Los Angeles Road east and south of El Monte. Comment
  RSA29732  Horkelia cuneata subsp. puberula Louis C. Wheeler 1932-5-23 753 Los Angeles San Gabriel Wash at Arrow Hwy Comment
  RSA607550  Horkelia cuneata subsp. puberula Louis C. Wheeler 1932-5-23 753 Los Angeles San Gabriel Wash at Arrow Hwy Comment
  UC860571  Horkelia cuneata subsp. puberula Louis C. Wheeler 1932-5-23 753 Los Angeles San Gabriel Wash at Arrow Highway; San Gabriel Wash at Arrow Highway 106 Comment
  POM6376  Hydrocotyle umbellata L. T. Street, G. Williams 1919-5-10 2705 Los Angeles San Gabriel River near Bassett. 90 Comment
  RSA453768  Hydrocotyle umbellata L. C. Wheeler 1933-7-14 1934 Los Angeles Lexington Wash near El Monte. Comment
  UCD51386  Jarava speciosa H. S. Yates 1937-6-24 6596 Los Angeles San Gabriel Wash. 167 Comment
  CAS-BOT-BC158129  Juglans californica A. C. Sanders; R. E. Riefner, Jr. 2009-8-18 37163 Los Angeles San Gabriel Valley: Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drianage 70 Comment
  UCR193631  Juglans californica A. C. Sanders 2008-7-10 35737 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR209206  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37163 Los Angeles San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  CAS-BOT-BC167241  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-18 37162 Los Angeles San Gabriel Valley: Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  RSA780933  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37162 Los Angeles Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  RSA787268  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37162 Los Angeles Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR209205  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37162 Los Angeles San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCD169182  Juglans nigra A. C. Sanders 2008-7-10 35743 Los Angeles South Coast; San Gabriel Valley: Whittier Narrows Nature Center. South of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage. 70 Comment
  UCR193939  Juglans nigra A. C. Sanders 2008-7-10 35721 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR193949  Juglans nigra A. C. Sanders 2008-7-10 35743 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR194092  Juglans nigra A. C. Sanders 2008-7-10 35744 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  RSA756085  Juglans regia A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37170 Los Angeles Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR209207  Juglans regia A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37165 Los Angeles San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UC212770  Juncus I. Johnston 1917-5-13 Los Angeles El Monte 91 Comment
  UC212778  Juncus ambiguus I. Johnston 1917-5-13 Los Angeles El Monte 91 Comment
  POM1547  Juncus bufonius I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. Comment
  RSA368150  Juncus bufonius F. R. Fosberg 1930-7-3 S- 3096 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  POM6446  Juncus mexicanus L. T. Street, G. Williams 1919-5-10 2712 Los Angeles San Gabriel River near Bassett. 90 Comment
  POM6449  Juncus mexicanus L. T. Street, G. Williams 1919-5-10 2712 Los Angeles San Gabriel River near Bassett. 90 Comment
  POM6450  Juncus mexicanus L. T. Street, G. Williams 1919-5-10 2712 Los Angeles San Gabriel River near Bassett. 90 Comment
  RSA368237  Juncus mexicanus F. R. Fosberg 1930-7-3 S- 3110 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  POM1608  Juncus phaeocephalus I. M. Johnston 1917-5-13 s.n. Los Angeles [El Monte?] Ditch along Railroad. 114 Comment
  RSA70269  Juncus phaeocephalus F. W. Peirson 1918-4-28 488 Los Angeles Road east and south of El Monte. Comment
  UC213662  Juncus phaeocephalus var. paniculatus I. Johnston 1917-5-13 Los Angeles El Monte 114 Comment
  POM1597  Juncus textilis I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 122 Comment
  UC213636  Juncus textilis I. Johnston 1917-5-13 27 C Los Angeles El Monte 121 Comment
  POM6451  Juncus xiphioides L. T. Street, G. Williams 1919-5-10 2710 Los Angeles San Gabriel River near Bassett. 90 Comment
  CAS-BOT-BC80992  Juniperus californica Louis C. Wheeler 1931-11-20 363 Los Angeles San Gabriel Wash 152 Comment
  CAS-BOT-BC81009  Juniperus californica Louis C. Wheeler 1931-11-20 363 Los Angeles San Gabriel Wash 152 Comment
  LA6560  Juniperus californica Louis Wheeler; 1931-11-20 363 Los Angeles San Gabriel Wash 152 Comment
  POM6815  Juniperus californica I. M. Johnston 1920-1-1 s.n. Los Angeles San Gabriel Wash at Azusa. ca. 500+ ft alt. 152 Comment
  RSA651020  Juniperus californica Brent Mishler 1977-10-6 s.n. Los Angeles San Gabriel River flood control area, Irwindale. Comment
  SBBG126265  Kickxia elatine A. C. Sanders with T. B. Salvato, M. Provance 2009-5-28 36998 Los Angeles San Gabriel River channel between Ramona Blvd and Lower Azusa Rd, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  UCR205631  Kickxia elatine A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36998 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  RSA403464  Koeleria macrantha Dayton, Miss Dayton 1925-4-15 s.n. Los Angeles Baldwin Park, Los Angeles vicinity. Comment
  RSA87068  Koeleria macrantha F. W. Peirson 1918-4-28 1596 Los Angeles Road east and south of El Monte. Comment
  JEPS69281  Lamarckia aurea Kate Jared Stirring 1917-5-3 Los Angeles El Monte Comment
  RSA651780  Lamarckia aurea Harold Lint, Dunn 1948-3-10 s.n. Los Angeles Bonita & Irwindale, Irwindale, Comment
  UCR205532  Lantana camara A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36972 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  CAS-BOT-BC412759  Lastarriaea coriacea Louis C. Wheeler 1932-5-26 745 Los Angeles San Gabriel Wash 106 Comment
  RSA392796  Lastarriaea coriacea Louis C. Wheeler 1932-5-26 745 Los Angeles San Gabriel Wash. 107 Comment
  UCR205529  Lavatera cretica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36911 Los Angeles San Gabriel Valley, South El Monte, north side of San Gabriel River between Peck Rd. and Hwy 60, adjacent to storage facility under SCE power lines 73 Comment
  CAS-BOT-BC321520  Layia glandulosa David D. Keck 1935-3-18 3021 Los Angeles San Gabriel River, 2 mi E of El Monte 91 Comment
  CAS-BOT-BC321521  Layia glandulosa David D. Keck 1935-3-18 3021 Los Angeles San Gabriel River, 2 mi E of El Monte 91 Comment
  CAS-BOT-BC321522  Layia glandulosa David D. Keck 1935-3-18 3021 Los Angeles San Gabriel River, 2 mi E of El Monte 91 Comment
  POM298260  Layia glandulosa D. D. Keck 1935-3-18 3021 Los Angeles San Gabriel River, 2 miles E of El Monte 91 Comment
  UC913066  Layia glandulosa David D. Keck 1935-3-18 3021 Los Angeles 2 mi e El Monte; San Gabriel River 91 Comment
  UCR100072  Layia glandulosa R. G. Swinney 1969-4-22 337 Los Angeles San Gabriel Valley, N and adjacent to Barnes Park along Rivergrade Rd., Baldwin Park. c. 200 yards east of San Gabriel River Channel. 91 Comment
  UCR205721  Lepidium latifolium A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36926 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  CAS-BOT-BC60041  Lepidium virginicum var. menziesii Le Roy Abrams 1901-4-6 1396 Los Angeles Montevista. Comment
  RSA429661  Lepidium virginicum var. pubescens F. R. Fosberg 1930-7-3 3088 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  UCR144091  Lepidium virginicum var. pubescens Scott D. White 1998-6-10 6716 Los Angeles San Gabriel Mtns, San Antonio Canyon, c. 1.5 air mi N of San Antonio Dam/Shinn Road (=Mountain Ave) Bridge over San Antonio Creek, immediately west of USFS San Antonio Fire Station 777 Comment
  RSA650944  Lepidospartum squamatum Brent Mishler 1977-10-11 s.n. Los Angeles San Gabriel River wash, Irwindale. Comment
  SBBG126261  Lepidospartum squamatum A. C. Sanders with T. B. Salvato 2009-5-29 37047 Los Angeles Irwindale on W side of Santa Fe Dam, W edge of 605 Fwy N of Arrow Hwy and S of where the freeway crosses the NW end of the dam 130 Comment
  UCR205641  Lepidospartum squamatum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37000 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR206130  Lepidospartum squamatum A. C. Sanders, T. B. Salvato 2009-5-29 37047 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  RSA749855  Leucaena leucocephala A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36978 Los Angeles Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  UCR205674  Leucaena leucocephala A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36978 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  POM1311  Leymus triticoides I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte, in ditch along R.R. 106 Comment
  RSA86688  Leymus triticoides F. W. Peirson 1918-4-28 1604 Los Angeles Southeast of El Monte. Comment
  UC205749  Leymus triticoides I. Johnston 1917-5-13 Los Angeles El Monte; rail road embankment 114 Comment
  POM6383  Linanthus aureus L. T. Street, G. Williams 1919-5-10 2716 Los Angeles San Gabriel River near Bassett. 90 Comment
  RSA469953  Linanthus aureus I. M. Johnston 1917-5-13 977 Los Angeles El Monte. 122 Comment
  RSA0068087  Lindernia dubia Michael C. Long 2015-7-24 927 Los Angeles El Monte, Peck Road Water Conservation Park (County Park). Southwestern edge of broad peninsula, along South Lake, separating lakes into two sections. 87 Comment
  RSA0068088  Lindernia dubia Michael C. Long 2015-7-16 926 Los Angeles El Monte, Peck Road Water Conservation Park (County Park). Southwestern edge of broad peninsula, along South Lake, separating lakes into two sections. 87 Comment
  UCR265621  Lindernia dubia Michael C. Long 2015-7-24 927 Los Angeles El Monte, Peck Road Water Conservation Park (County Park). Southwestern edge of broad peninsula, along South Lake, separating lakes into two sections 87.78 Comment
  RSA441645  Loeflingia squarrosa L. C. Wheeler 1932-5-26 747 Los Angeles San Gabriel Wash 107 Comment
  SBBG126035  Loeflingia squarrosa A. Parikh, N. Gale 2010-5-6 3146 Los Angeles spillway channel of Santa Fe Flood Control Basin, 0.4 km NNE of intersection of I-605/Arrow Hwy 130 Comment
  RSA86711  Lolium temulentum F. W. Peirson 1918-4-28 1607 Los Angeles Road east and south of El Monte. Comment
  POM1881  Lotus heermannii I. M. Johnston s.n. Los Angeles El Monte 122 Comment
  POM6372  Lotus heermannii L. T. Street, G. Williams 1919-5-10 2714 San Bernardino Near Bassett. 90 Comment
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Feb 23 2017
  RSA406157  Lotus heermannii F. R. Fosberg 1930-7-3 S- 3109 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UC397212  Lotus heermannii I. Johnston Los Angeles El Monte 121 Comment
  POM1908  Lotus oblongifolius I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 91 Comment
  UC212489  Lotus oblongifolius var. oblongifolius I. Johnston 1917-5-13 Los Angeles El Monte 121 Comment
  UCR206477  Lotus purshianus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36965 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  RSA406845  Lotus scoparius F. R. Fosberg 1930-7-3 53104 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UCR205643  Lotus scoparius subsp. brevialatus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37020 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR205695  Lotus scoparius subsp. scoparius A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37021 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  RSA652453  Lotus scoparius var. brevialatus David B. Dunn, H. Lint, P. Tolstoy 1948-4-23 s.n. Los Angeles Bonita Avenue along roadside, near Irwindale Avenue, Irwindale. Comment
  UCR205739  Lotus strigosus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36987 Los Angeles San Gabriel Valley, San Gabriel River channel between Lower Azusa Rd. and the I-605 crossing, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 110 Comment
  RSA406258  Lotus unifoliolatus F. R. Fosberg 1930-7-3 451 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UCR205648  Ludwigia peploides A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36941 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  UCR205698  Lupinus excubitus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37026 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  CAS-BOT-BC211686  Lupinus longifolius I. Johnston 1917-5-13 1965 Los Angeles El Monte 137 Comment
  RSA625862  Lupinus succulentus Scott D. White, Pam De Vries 1998-4-19 6271 Los Angeles Irwindale, San Gabriel River Basin, Santa Fe Flood Control Basin on disturbed alluvial fan. 152 Comment
  RSA625864  Lupinus truncatus Scott D. White 1998-4-19 6269 Los Angeles Irwindale, San Gabriel River Basin, Santa Fe Flood Control Basin on disturbed alluvial fan. 152 Comment
  RSA632474  Madia gracilis Scott D. White 1999-5-31 7436 Los Angeles San Antonio Canyon: about 2 air miles north of San Antonio Dam, 1/2 mi. N of Shinn Rd. (=Mountain Ave.) bridge over San Antonio Creek 777 Comment
  UCR151106  Madia gracilis Scott D. White 1999-5-31 7436 Los Angeles Transverse Ranges: San Gabriel Mtns region, San Antonio Canyon, c. 2 air mi N of San Antonio Dam and 0.5 mi N of Chinn Rd. (= Mountain Ave.) bridge over San Antonio Creek 808 Comment
  CAS-BOT-BC206199  Malacothamnus fasciculatus Louis C. Wheeler 1932-5-26 752 Los Angeles San Gabriel Wash 106 Comment
  UCR205888  Malacothamnus fasciculatus A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37088 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  UCR209226  Malacothamnus fasciculatus R. G. Swinney 1969-5-1 395 Los Angeles San Gabriel Valley, c. 100 yards south of Duarte city limits on Buena Vista Ave. in Irwindale, c. 100 yards west of San Gabriel River channel 133 Comment
  LA41777  Malacothamnus fasciculatus var. fasciculatus Louis C. Wheeler; 1932-5-26 752 Los Angeles San Gabriel Wash 106 Comment
  UCR131597  Malacothamnus fasciculatus var. laxiflorus L. C. Wheeler 1932-5-26 752 Los Angeles San Gabriel Valley, San Gabriel Wash 107 Comment
  OBI12365  Malvastrum fasciculatum Louis C. Wheeler 1932-5-26 752 Los Angeles San Gabriel Wash 107 Comment
  UCR205719  Medicago sativa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36925 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  POM357049  Melica imperfecta Anstruther Davidson 1892-04 s.n. Los Angeles Los Angeles. El Monte. Comment
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Oct 3 2010
  RSA446888  Mentzelia veatchiana Anstruther Davidson 1892-05 s.n. Los Angeles El Monte Comment
  UCR205676  Mimulus aurantiacus var. pubescens A. C. Sanders, T. B. Salvato 2009-5-29 37033 Los Angeles San Gabriel Valley, Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  RSA420676  Mimulus cardinalis F. R. Fosberg 1930-7-3 S- 3117 Los Angeles El Monte. (Lexington Wash, San Gabriel River) 80 Comment
  UCR205716  Mimulus guttatus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36935 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  UCR206519  Mirabilis jalapa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36949 Los Angeles San Gabriel Valley, Baldwin Park, San Gabriel River channel south of Ramona Blvd. and north of I-10 Fwy, under SCE powerlines 91 Comment
  POM6388  Modiola caroliniana L. T. Street, Williams 1919-5-10 2967 Los Angeles Bassett. 90 Comment
  UC883591  Monardella breweri subsp. lanceolata Louis C. Wheeler 1932-6-4 797 Los Angeles Arrow Highway San Gabriel Wash 106 Comment
  RSA29720  Monardella lanceolata var. lanceolata Louis C. Wheeler 1932-6-4 797 Los Angeles San Gabriel Wash at Arrow Hwy. 107 Comment
  CAS-BOT-BC140682  Morus alba A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-27 36950 Los Angeles San Gabriel Valley: Baldwin Park, San Gabriel River channel south of Ramona Blvd. and north of I-10 Fwy, under SCE powerlines 91 Comment
  SBBG125896  Morus alba A. C. Sanders with T. B. Salvato, M. Provance 2009-5-27 36950 Los Angeles Baldwin Park, San Gabriel River channel S of Ramona Blvd and N of I-10 Fwy 87 Comment
  UCR206520  Morus alba A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36950 Los Angeles San Gabriel Valley, Baldwin Park, San Gabriel River channel south of Ramona Blvd. and north of I-10 Fwy, under SCE powerlines 91 Comment
  CAS-BOT-BC108995  Mucronea californica Louis C. Wheeler 1946-8-30 6326 Los Angeles West of Baldwin Park. Albarnes Station, east side San Gabriel Wash, just north of Valley Boulevard. Comment
  GH364732  Mucronea californica L. C. Wheeler 1932-5-26 746 Unknown San Gabriel Wash at Arrow Highway 106 Comment
  GH364733  Mucronea californica L. C. Wheeler 1932-6-4 789 Unknown San Gabriel Wash at Arrow Highway 106 Comment
  RSA29679  Mucronea californica Louis C. Wheeler 1932-5-26 746 Los Angeles San Gabriel wash at Arrow Highway. 107 Comment
  RSA608227  Mucronea californica Louis C. Wheeler 1946-8-30 6326 Los Angeles West of Baldwin Park: Albarnes Station, east side San Gabriel Wash, just north of Valley Blvd. Comment
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Aug 13 2014
  SD230266  Mucronea californica Louis C. Wheeler 1946-8-30 6326 Los Angeles West of Baldwin park: Albarnes Station, east side San Gabriel Wash, just north of Valley Blvd. Comment
  UC849126  Mucronea californica Louis C. Wheeler 1932-6-4 798 Los Angeles wash at Arrow Hwy; San Gabriel Wash 106 Comment
  UCR101299  Mucronea californica L. C. Wheeler 1946-8-30 6326 Los Angeles W of Baldwin Park: Albarnes Station, E side of San Gabriel Wash, just north of Valley Blvd Comment
  CAS-BOT-BC275325  Muhlenbergia microsperma Le Roy Abrams 1901-4-1 1383 Los Angeles Monte Vista Comment
  SEINET179992 Image available Muhlenbergia microsperma Unknown Los Angeles Tuna Canyon Verdugo Hills. Comment
  UCR101199  Najas marina L. C. Wheeler 1947-9-14 6628 Los Angeles N of El Monte, Peck Road, near Arrow Hwy. 106 Comment
  RSA431545  Nasturtium officinale F. R. Fosberg 1930-7-3 3027 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UCR206133  Navarretia hamata A. C. Sanders, T. B. Salvato 2009-5-29 37053 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  RSA426746  Nicotiana bigelovii Louis C. Wheeler 1932-5-26 751 Los Angeles San Gabriel wash at Arrow Highway. 107 Comment
  RSA426784  Nicotiana glauca F. R. Fosberg 1930-7-3 S- 3029 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  RSA649016  Nicotiana glauca Scott Lowe 1991-4-9 9 Los Angeles San Gabriel River channel, about 100 m. south of Valley Boulevard bridge, city of El Monte. Comment
  RSA762648  Nicotiana glauca R. G. Swinney 2008-11-30 9891 Los Angeles Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy. 165 Comment
  UCR210504  Nicotiana glauca R. G. Swinney 2008-11-30 9891 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  SD237631  Nicotiana quadrivalvis A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37083 Los Angeles San Gabriel Valley: west edge of I-605 and c. 1 mile west of the center of the Santa Fe Flood Control Basin, N of Arrowy Hwy and south of Duarte (Baldwin park 7.5'Q) 139 Comment
  UCR205882  Nicotiana quadrivalvis A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37083 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  POM223067  Oenanthe sarmentosa L. C. Wheeler 1933-7-7 1918 Los Angeles Lexington Wash near El Monte. 73 Comment
  RSA458913  Oenanthe sarmentosa L. C. Wheeler 1933-7-7 1918 Los Angeles Lexington Wash near El Monte. 73 Comment
  POM355619  Oenothera elata subsp. hirsutissima P. A. Munz 1930-7-3 S- 3100 Los Angeles San Gabriel River, El Monte. Comment
  SBBG126926  Oenothera elata subsp. hirsutissima A. Parikh, N. Gale 2011-5-21 3394 Los Angeles San Gabriel River, just W of I-605, 0.7 km N of Lower Azusa Rd/Los Angeles St 109 Comment
  UCR206506  Oenothera laciniata A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36967 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  UCR99346  Oenothera laciniata L. C. Wheeler 1946-5-26 6212 Los Angeles El Monte. 2002 N Durbee Road. 80 Comment
  UCR205880  Olea europaea A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37085 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  RSA650279  Orthocarpus purpurascens David B. Dunn, H. Lint, P. Tolstoy 1948-4-23 s.n. Los Angeles 2 blocks west and one block north of Cypress Ave. and Irwindale Ave. NW of Covina. Comment
  UCR206507  Panicum miliaceum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36968 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  SBBG126034  Parietaria hespera var. hespera A. Parikh, N. Gale 2010-5-6 3147 Los Angeles spillway channel of Santa Fe Flood Control Basin, 1.1 km NE of intersection of I-605/Arrow Hwy 139 Comment
  UCR238980  Parietaria hespera var. hespera Anuja Parikh, Nathan Gale 2010-5-6 3147 Los Angeles South Coast, San Gabriel Valley, spillway channel of Santa Fe Flood Control Basin, 1.1 km northeast of intersection of Hwy I-605 and Arrow Hwy 139 Comment
  SD187491  Parthenocissus vitacea R. E. Riefner Jr. 2007-5-27 Los Angeles Near El Monte, vicinity of Whittier Narrows Nature Center, floodplain of San Gabriel River at Peck St. 68 Comment
  UCR193637  Passiflora caerulea A. C. Sanders 2008-7-10 35718 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  RSA0035478  Pectis prostrata Michael C. Long 2013-10-18 921 Los Angeles Irwindale, Santa Fe Dam County Park, picnic area lawn near far southwestern end of lake, site of annual Renaissance Fair and south of large covered picnic shelters 142 Comment
  SD247342  Pectis prostrata Michael C. Long 2013-10-18 921 Los Angeles San Gabriel Valley: Irwindale, Santa Fe Dam County Park, picnic area lawn near far southwestern end of lake, site of annual Renaissance Fair and south of large covered picnic shelters. 142 Comment
  UCR250927  Pectis prostrata Michael C. Long 2013-10-18 921 Los Angeles San Gabriel Valley, Irwindale, Santa Fe Dam County Park, picnic area lawn near far southwestern end of lake, site of annual Renaissance Fair and south of large covered picnic shelters 142 Comment
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Oct 11 2016
  UCR205683  Pectocarya penicillata A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36920 Los Angeles San Gabriel Valley, San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee 70 Comment
  RSA649003  Pennisetum setaceum Scott Lowe 1991-4-20 5 Los Angeles San Gabriel River channel, about 100 m. south of Valley Boulevard bridge, city of El Monte. Comment
  RSA763510  Pennisetum setaceum R. G. Swinney 2008-11-30 9885 Los Angeles Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UCR210447  Pennisetum setaceum R. G. Swinney 2008-11-30 9885 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  RSA647932  Penstemon spectabilis Michelle Manolovitz, Brian Willie 1992-4-27 3 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 300 feet northwest of park office. Comment
  UCR206172  Penstemon spectabilis A. C. Sanders, T. B. Salvato 2009-5-29 37056 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  NY661214  Penstemon spectabilis var. subviscosus G. D. Wallace 1966-5-3 528 Los Angeles 1/2 mile south of Huntington Dr. on east side of Duarte Comment
  CAS-BOT-BC418875  Persicaria hydropiperoides A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-27 36952 Los Angeles San Gabriel Valley: confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines. 88 Comment
  SBBG126174  Persicaria hydropiperoides A. C. Sanders with T. B. Salvato, M. Provance 2009-5-27 36951 Los Angeles confluence of San Gabriel River and Walnut Crk, between El Monte and Baldwin Park, S of I-10 Fwy and N of Valley Blvd, W of I-605 Fwy, under SCE powerlines 83 Comment
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Mar 24 2014
  RSA427659  Phacelia cicutaria var. hispida F. R. Fosberg 1930-7-3 3033 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  UCR205886  Phacelia distans A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37092 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  UCR206134  Phacelia distans A. C. Sanders, T. B. Salvato 2009-5-29 37054 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  UCR193643  Phacelia ramosissima A. C. Sanders 2008-7-10 35729 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR205979  Phacelia ramosissima A. C. Sanders, T. B. Salvato 2009-5-29 37050 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  RSA428276A  Phacelia ramosissima var. latifolia F. R. Fosberg 1930-7-3 3927 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  RSA582642  Phacelia ramosissima var. latifolia Louis C. Wheeler 1933-7-7 1920 Los Angeles Lexington Wash near El Monte. 73 Comment
  CAS-BOT-BC154348  Phacelia stellaris David D. Keck 1935-3-18 3019 Los Angeles San Gabriel River, 2 mi. E. of El Monte 91 Comment
  RSA426105  Phacelia stellaris Anstruther Davidson 1892-05 s.n. Los Angeles El Monte Comment
  CAS-BOT-BC265857  Phalaris canariensis Geo. B. Grant 1900-5-18 s.n. Los Angeles El Monte Comment
  CAS-BOT-BC250597  Phalaris minor Street; Williams 1919-5-10 2836 Los Angeles Bassett Comment
  POM1059  Phalaris minor I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 84 Comment
  POM7045  Phalaris minor L. T. Street, G. Williams 1919-5-10 2836 Los Angeles Bassett. Comment
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Feb 23 2017
  UC205651  Phalaris minor I. M. Johnston 1917-5-13 Los Angeles El Monte Comment
  POM223069  Phyla nodiflora Louis C. Wheeler 1933-7-7 1925 Los Angeles Lexington Wash near El Monte. 73 Comment
  RSA423758  Physalis philadelphica F. R. Fosberg 1930-7-3 S- 3036 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  UCR205740  Physalis philadelphica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36988 Los Angeles San Gabriel Valley, San Gabriel River channel between Lower Azusa Rd. and the I-605 crossing, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 110 Comment
  UCR210437  Piptatherum miliaceum R. G. Swinney 2008-11-30 9880 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  CDA36201  Pistacia atlantica A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37078 Los Angeles San Gabriel Valley; West edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte. Comment
  RSA750238  Pistacia atlantica A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37078 Los Angeles west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  SBBG125891  Pistacia atlantica A. C. Sanders with T. B. Salvato 2009-5-29 37042 Los Angeles Irwindale on W side of Santa Fe Dam, W edge of 605 Fwy N of Arrow Hwy and S of where the freeway crosses the NW end of the dam 130 Comment
  UCR205950  Pistacia atlantica A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37078 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  UCR206166  Pistacia atlantica A. C. Sanders, T. B. Salvato 2009-5-29 37042 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  POM6645  Plantago hirtella var. galeottiana L. T. Street, G. Williams 1919-5-10 s.n. Los Angeles San Gabriel River near Bassett. 90 Comment
  RSA625858  Plantago indica Scott D. White 1998-4-19 6283 Los Angeles Irwindale, San Gabriel River Basin, Santa Fe Flood Control Basin on disturbed alluvial fan. 152 Comment
  UCR108742  Plantago indica Scott D. White, Pam DeVries 1998-4-19 6283 Los Angeles City of Irwindale, Santa Fe Flood Control Basin (on the San Gabriel River) 152 Comment
  UCR205682  Plantago indica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36918 Los Angeles San Gabriel Valley, San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee 70 Comment
  UCR205696  Plantago indica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37024 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  RSA625861  Plantago lanceolata Scott D. White, Pam De Vries 1998-4-19 6274 Los Angeles Irwindale, San Gabriel River Basin, Santa Fe Flood Control Basin on disturbed alluvial fan. 152 Comment
  UCR205714  Plantago lanceolata A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36933 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  POM6322  Plantago major Street, Williams 1919-5-10 2759 Los Angeles San Gabriel River Bottom, near Bassett. 90 Comment
  RSA412571  Plantago major F. R. Fosberg 1930-7-3 S- 3084 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  CDA6591  Plantago psyllium Scott D. White, Pam DeVries 1998-4-19 6283 Los Angeles Santa Fe Flood Control Basin (on the San Gabriel River), City of Irwindale. Comment
  RSA762647  Platanus racemosa R. G. Swinney 2008-11-30 9890 Los Angeles Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy. 165 Comment
  UCD169362  Platanus racemosa R. G. Swinney 2008-11-30 9890 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy. 165 Comment
  UCR193638  Platanus racemosa A. C. Sanders 2008-7-10 35728 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR210512  Platanus racemosa R. G. Swinney 2008-11-30 9890 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
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Jul 26 2010
  POM7041  Poa secunda L. T. Street, G. Williams 1919-4-12 2496 Los Angeles Puente [now La Puente]. Comment
  RSA484214  Poa secunda Anstruther Davidson 1892-04 s.n. Los Angeles Los Angeles. El Monte. Comment
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Oct 3 2010
  RSA746554  Polygonum hydropiperoides A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36952 Los Angeles confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 83 Comment
  UCR205737  Polygonum hydropiperoides A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36985 Los Angeles San Gabriel Valley, San Gabriel River channel between Lower Azusa Rd. and the I-605 crossing, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 110 Comment
  UCR206509  Polygonum hydropiperoides A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36952 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  UCR206510  Polygonum hydropiperoides A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36951 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  UCR209303  Polygonum hydropiperoides A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36939 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  RSA466345  Polygonum lapathifolium F. R. Fosberg 1930-7-3 S 3023 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  CAS-BOT-BC71877  Polypodium californicum Scott D. White 1998-6-10 6711 Los Angeles San Antonio Canyon: About 1 1/2 air miles north of San Antonio Dam, Shinn Rd. (=Mountain Ave.) 762 Comment
  RSA626516  Polypodium californicum Scott D. White 1998-6-10 6711 Los Angeles San Antonio Canyon: About 1.5 air miles north of San Antonio Dam. Shinn Rd. (=Mountain Ave.) bridge over San Antonio Creek, immediately west of USFS San Antonio Fire Station. 762 Comment
  CAS-BOT-BC232414  Polypogon monspeliensis L. Street; G. Williams 1919-5-10 2704 Los Angeles San Gabriel River, near Bassett 89 Comment
  CDA2352  Polypogon monspeliensis Phillipson 1915-6-2 22 .2.J. Los Angeles El Monte. Comment
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Oct 3 2010
  UCR205650  Polypogon monspeliensis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36930 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  CAS-BOT-BC237499  Polypogon viridis I. Johnston 1917-5-13 1021 Los Angeles Along railroad, El Monte 83 Comment
  POM1138  Polypogon viridis I. M. Johnston 1917-5-13 1021 Los Angeles El Monte. 84 Comment
  POM7108  Polypogon viridis L. T. Street, G. Williams 1919-5-10 2711 Los Angeles San Gabriel River near Bassett. 90 Comment
  POM7330  Polypogon viridis L. T. Street, G. Williams 1919-5-10 2695 Los Angeles San Gabriel River near Bassett. 90 Comment
  RSA385491  Polypogon viridis F. R. Fosberg 1930-7-3 S- 3082 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  UCR205717  Populus balsamifera subsp. trichocarpa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36921 Los Angeles San Gabriel Valley, San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee 70 Comment
  UCR193941  Populus fremontii A. C. Sanders 2008-7-10 35720 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  RSA750898  Populus nigra A. C. Sanders 2008-7-10 35745 Los Angeles Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR193940  Populus nigra A. C. Sanders 2008-7-10 35719 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR193946  Populus nigra A. C. Sanders 2008-7-10 35745 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR101739  Potamogeton foliosus L. C. Wheeler 1945-8-15 6089 Los Angeles El Monte: Lake Shangri-La 88 Comment
  UCR101740  Potamogeton pectinatus L. C. Wheeler 1945-8-15 6088 Los Angeles El Monte: Lake Shangri-La 88 Comment
  POM6814  Pseudognaphalium biolettii I. M. Johnston 1920-1-1 s.n. Los Angeles San Gabriel Wash at Azusa. 152 Comment
  CAS-BOT-BC357286  Pseudognaphalium microcephalum Le Roy Abrams 1901-4-6 1398 Los Angeles Monte Vista Comment
  JEPS46157  Quercus engelmannii C. Epling 1932-11-9 Los Angeles near Arcadia; Baldwin Park Comment
  POM6817  Quercus engelmannii I. M. Johnston 1920-1-1 s.n. Los Angeles Arcadia, along Huntington Drive. 152 Comment
  POM223062  Ranunculus cymbalaria var. saximontanus Louis C. Wheeler 1933-7-14 1933 Los Angeles Lexington Wash near El Monte 73 Comment
  RSA400240  Ranunculus cymbalaria var. saximontanus F. R. Fosberg 1930-7-3 s 3035 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  RSA604417  Ranunculus cymbalaria var. saximontanus Louis C. Wheeler 1933-7-14 1933 Los Angeles Lexington Wash near El Monte. Comment
  UCR193944  Rhamnus californica subsp. californica A. C. Sanders 2008-7-10 35742 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  CAS-BOT-BC133219  Rhamnus crocea A. C. Sanders; Mitch Provance; T. B. Salvato 2009-6-1 37082 Los Angeles San Gabriel Valley: west edge of I-605 and c. 1 mile west of the center of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  JEPS42044  Rhamnus crocea E. M. Harvey 1932-3-12 Los Angeles n of Baldwin Park; San Gabriel Wash Comment
  SEINET3246090  Rhamnus crocea A. C. Sanders, Mitch Provance, T. B. Salvato 2009-1 37082 Los Angeles San Gabriel Valley: west edge of I-605 and c. 1 mile west of the center of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte. 140 Comment
  UCR205883  Rhamnus crocea A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37082 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  RSA650222  Rhus integrifolia Brent Mishler 1977-9-11 s.n. Los Angeles San Gabriel River Wash - Irwindale. Comment
  SD237283  Rhus integrifolia A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37090 Los Angeles San Gabriel Valley: west edge of I-605 and c. 1 mile west of the center of the Santaa Fe Flood Control Basin, N of Arrow Hwy and soouth of Duarte. 139 Comment
  UCR205885  Rhus integrifolia A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37090 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  CAS-BOT-BC175222  Rhus lancea A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-28 37005 Los Angeles San Gabriel Valley: San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irinwdale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  RSA746551  Rhus lancea A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37005 Los Angeles San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  SBBG125890  Rhus lancea A. C. Sanders with T. B. Salvato, M. Provance 2009-5-28 37005 Los Angeles San Gabriel River channel between Ramona Blvd and Lower Azusa Rd, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  UCR205675  Rhus laurina A. C. Sanders, T. B. Salvato 2009-5-29 37032 Los Angeles San Gabriel Valley, Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  UCR206516  Rhus laurina A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36946 Los Angeles San Gabriel Valley, Baldwin Park, San Gabriel River channel south of Ramona Blvd. and north of I-10 Fwy, under SCE powerlines 91 Comment
  UCR193632  Ribes aureum A. C. Sanders 2008-7-10 35735 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR205684  Ribes aureum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36919 Los Angeles San Gabriel Valley, San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee 70 Comment
  UCSB24081  Ribes aureum Wheeler, Louis 1932-5-26 Los Angeles San Gabriel Wash 106 Comment
  CAS-BOT-BC133226  Ribes aureum var. gracillimum A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-28 36997 Los Angeles San Gabriel Valley: San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines; in fence line between 605 Fwy and the strawberry fields 100 Comment
  CAS-BOT-BC92435  Ribes aureum var. gracillimum Louis C. Wheeler 1932-2-12 445 Los Angeles San Gabriel Wash. 106 Comment
  CAS-BOT-BC92436  Ribes aureum var. gracillimum Louis C. Wheeler 1932-2-12 445 Los Angeles San Gabriel Wash. 106 Comment
  CAS-BOT-BC92437  Ribes aureum var. gracillimum Louis C. Wheeler 1932-5-26 763 Los Angeles San Gabriel Wash. 106 Comment
  LA205465  Ribes aureum var. gracillimum Louis C. Wheeler; 1932-2-12 445 Los Angeles San Gabriel Wash 106 Comment
  OBI14076  Ribes aureum var. gracillimum Louis C. Wheeler 1932-2-12 445 Los Angeles San Gabriel Wash 107 Comment
  POM310170  Ribes aureum var. gracillimum Hulda Crooks 1946-3-13 239 Los Angeles El Monte Comment
  RSA476434  Ribes aureum var. gracillimum Anstruther Davidson 1890-05 s.n. Los Angeles San Gabriel [River] near El Monte. Comment
  RSA631084  Ribes aureum var. gracillimum Louis C. Wheeler 1947-4-1 6461 Los Angeles Foot of San Gabriel Mountains: San Gabriel Wash, 1/4 mile south of Arrow Highway. Comment
  RSA647930  Ribes aureum var. gracillimum Michelle Manolovitz, Brian Willie 1992-4-27 5 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 300 feet northwest of park office. Comment
  RSA651631  Ribes aureum var. gracillimum Brent Mishler s.n. Los Angeles San Gabriel R. flood control - Iwindale. 152 Comment
  SBBG126143  Ribes aureum var. gracillimum A. C. Sanders with T. B. Salvato 2009-5-21 36899 Los Angeles Whittier Narrows near S El Monte, N of San Gabriel River channel and SE of Durfee Ave, W half of Whittier Narrows Nature Center 66 Comment
  UCR100062  Ribes aureum var. gracillimum R. G. Swinney 1969-3-11 309 Los Angeles Los Angeles Basin; San Gabriel Valley, NE corner of Arrow Hwy and Live Oak Ave., Irwindale 130 Comment
  UCR205632  Ribes aureum var. gracillimum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36997 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR206117  Ribes aureum var. gracillimum A. C. Sanders, T. B. Salvato 2009-5-29 37045 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  UCR70843  Ribes aureum var. gracillimum L. C. Wheeler 1932-5-4 681 Los Angeles San Gabriel Valley, San Gabriel Wash 107 Comment
  A380159  Ribes divaricatum var. parishii F. V. Coville & R. C. Bacigalupi 1925-4-18 171 Unknown Lexington Wash at El Monte Comment
  CAS-BOT-BC108867  Ribes divaricatum var. parishii Louis C. Wheeler 1934-3-18 2452 Los Angeles San Gabriel River. 73 Comment
  CAS-BOT-BC108868  Ribes divaricatum var. parishii Louis C. Wheeler 1934-3-18 2452 Los Angeles San Gabriel River. 73 Comment
  CAS-BOT-BC108869  Ribes divaricatum var. parishii Clarence R. Quick 1940-3-20 s.n. Los Angeles Collected at El Monte. Comment
  CAS-BOT-BC108870  Ribes divaricatum var. parishii Clarence R. Quick 1942-4-18 s.n. Los Angeles Collected at El Monte. Comment
  CAS-BOT-BC108871  Ribes divaricatum var. parishii Ellsworth Bethel 1920-6-26 s.n. Los Angeles El Monte. Comment
  CAS-BOT-BC108872  Ribes divaricatum var. parishii Ellsworth Bethel 1920-2-14 s.n. Los Angeles El Monte. Comment
  CAS-BOT-BC108873  Ribes divaricatum var. parishii I. M. Johnston 1918-7-28 2101 Los Angeles San Gabriel River at El Monte. 91 Comment
  CAS-BOT-BC108874  Ribes divaricatum var. parishii I. M. Johnston 1918-7-28 2101 Los Angeles San Gabriel River at El Monte. 91 Comment
  CAS-BOT-BC108875  Ribes divaricatum var. parishii Frederick V. Coville 1925-4-18 171 Los Angeles Lexington Wash. 91 Comment
  CAS-BOT-BC108876  Ribes divaricatum var. parishii F. V. Coville; R. Bacigalupi 1925-4-18 171 Los Angeles Lexington Wash at El Monte. Comment
  CAS-BOT-BC108877  Ribes divaricatum var. parishii Frederick V. Coville 1925-4-18 171 Los Angeles Lexington Wash at El Monte. 91 Comment
  CAS-BOT-BC108878  Ribes divaricatum var. parishii Dr. A. Davidson 1891-1-1 s.n. Los Angeles At El Monte. Comment
  CAS-BOT-BC108880  Ribes divaricatum var. parishii Chas. H. Johnson; Lucille Roos 1921-2-19 98 Los Angeles El Monte. 83 Comment
  CAS-BOT-BC108883  Ribes divaricatum var. parishii A. Davidson 1894-4-1 s.n. Los Angeles El Monte. Comment
  LA205473  Ribes divaricatum var. parishii Louis C. Wheeler; 1934-3-18 2452 Los Angeles San Gabriel River 73 Comment
  POM214293  Ribes divaricatum var. parishii Louis C. Wheeler 1934-3-18 2452 Los Angeles San Gabriel River. 73 Comment
  SD82801  Ribes divaricatum var. parishii Louis C. Wheeler 1934-3-18 2542 Los Angeles San Gabriel River 73 Comment
  SDSU5993  Ribes divaricatum var. parishii Gerald Collier 1951-5-12 M 224 Los Angeles Rio Hondo River bottom, 100 yards south of Pacific Electric Railroad tracks 1 mile west of El Monte. Comment
  UC212382  Ribes divaricatum var. parishii I. M. Johnston 1918-7-28 2101 Los Angeles San Gabriel River at El Monte San Gabriel River 91 Comment
  UC574934  Ribes divaricatum var. parishii Louis C. Wheeler 1934-3-18 2452 Los Angeles San Gabriel River 73 Comment
  UC741681  Ribes divaricatum var. parishii Frederick V. Coville 1925-4-18 171 Los Angeles Lexington Wash El Monte 91 Comment
  UC754135  Ribes divaricatum var. parishii Louis C. Wheeler 1934-3-18 2452 Los Angeles San Gabriel River 73 Comment
  UC858581  Ribes divaricatum var. parishii Louis C. Wheeler 1934-3-18 2452 Los Angeles San Gabriel River 73 Comment
  UCR70821  Ribes divaricatum var. parishii L. C. Wheeler 1934-3-18 2452 Los Angeles San Gabriel River 73 Comment
  UCR70822  Ribes divaricatum var. parishii L. C. Wheeler 1933-7-7 1915 Los Angeles Lexington Wash near El Monte 73 Comment
  CAS-BOT-BC108895  Ribes divaricatum var. pubiflorum Clarence R. Quick 1940-3-20 s.n. Los Angeles El Monte. Comment
  CAS-BOT-BC108896  Ribes divaricatum var. pubiflorum Clarence R. Quick 1942-4-18 s.n. Los Angeles El Monte. Comment
  A380218  Ribes indecorum J. T. Howell 1929-3-2 4100 Unknown San Gabriel Wash, 2 miles s. of Azusa Comment
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Jul 28 2014
  CAS-BOT-BC173099  Ribes indecorum John Thomas Howell 1929-3-2 4100 Los Angeles Rocky soil of San Gabriel Wash, 2 miles s. of Azusa Comment
  CAS-BOT-BC133218  Rorippa curvisiliqua A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-27 36969 Los Angeles San Gabriel Valley: confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  RSA746553  Rorippa curvisiliqua A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36969 Los Angeles confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 83 Comment
  SBBG126875  Rorippa curvisiliqua A. Parikh, N. Gale 2011-5-20 3392 Los Angeles San Gabriel River, 0.2 km N of I-10, 0.2 km W of I-605 90 Comment
  UCR206505  Rorippa curvisiliqua A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36969 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  RSA756731  Rumex A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36958 Los Angeles confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 83 Comment
  RSA756732  Rumex A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36912 Los Angeles South El Monte, north side of San Gabriel River between Peck Rd. and Hwy 60, adjacent to storage facility under SCE power lines 73 Comment
  SD239869  Rumex A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36912 Los Angeles Asan Gabriel Valley; south El Monte, north side of San Gabriel River between Peck Road and Hwy 60, adjacent to storage facility under SCE power lines (El Monte 7.5'Q) 73 Comment
  UCR205540  Rumex A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36912 Los Angeles San Gabriel Valley, South El Monte, north side of San Gabriel River between Peck Rd. and Hwy 60, adjacent to storage facility under SCE power lines 73 Comment
  UCR205736  Rumex A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36984 Los Angeles San Gabriel Valley, San Gabriel River channel between Lower Azusa Rd. and the I-605 crossing, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 110 Comment
  UCR206500  Rumex A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36958 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  RSA466054  Rumex conglomeratus F. R. Fosberg 1930-7-3 S 3085 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  CAS-BOT-BC433578  Rumex hymenosepalus Le Roy Abrams 1901-4-6 1399 Los Angeles Monte Vista Comment
  UCR205735  Rumex maritimus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36983 Los Angeles San Gabriel Valley, San Gabriel River channel between Lower Azusa Rd. and the I-605 crossing, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 110 Comment
  CDA23182  Rumex obtusifolius subsp. agrestis George Garrettson, T. Suzuki 1959-6-1 Los Angeles El Monte. 0 Comment
  CDA2891  Rumex obtusifolius subsp. agrestis George Garrettson, T. Suzuki 1959-6-1 Los Angeles El Monte. 0 Comment
  CAS-BOT-BC433928  Rumex salicifolius I. Johnston 1917-5-13 s.n. Los Angeles El Monte 91 Comment
  POM2349  Rumex salicifolius I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 107 Comment
  RSA466116  Rumex salicifolius F. R. Fosberg 1919-7-3 S 3021 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  SBBG126927  Rumex stenophyllus A. Parikh, N. Gale 2010-5-21 3393 Los Angeles San Gabriel River, just W of I-605, 0.7 km N of Lower Azusa Rd/Los Angeles St 109 Comment
  UCR256596  Rumex stenophyllus Anuja Parikh, Nathan Gale 2010-5-21 3393 Los Angeles San Gabriel River, just west of Hwy I-605, 0.7 km north of Lower Azusa Road/Los Angeles St 109 Comment
  CAS-BOT-BC103148  Salix bonplandiana I. Johnston 1917-5-13 1903 Los Angeles El Monte 121 Comment
  A382659  Salix exigua Ian M. Johnstone 1913-5-13 1242 Unknown El Monte 91 Comment
  POM2071  Salix exigua I. M. Johnston 1917-5-13 1242 Los Angeles El Monte. 91 Comment
  UCR205699  Salix exigua A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37027 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR205720  Salix exigua A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36927 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  UC846159  Salix exigua var. hindsiana Ivan Johnston 1917-5-13 1242 Los Angeles El Monte 91 Comment
  UCR205623  Salix gooddingii A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37028 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  POM2055  Salix laevigata I. M. Johnston 1917-5-13 1903 Los Angeles El Monte. 122 Comment
  POM2057  Salix laevigata I. M. Johnston 1918-3-14 1988 Los Angeles San Gabriel River at El Monte. 91 Comment
  POM2064  Salix lasiolepis I. M. Johnston 1918-3-14 1989 Los Angeles San Gabriel River at El Monte. 91 Comment
  CAS-BOT-BC126296  Salix sessilifolia I. Johnston 1917-5-13 1242 Los Angeles El Monte 91 Comment
  RSA647933  Salvia apiana Michelle Manolovitz, Brian Willie 1992-4-27 1 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 300 feet northwest of park office. Comment
  RSA647929  Salvia mellifera Michelle Manolovitz, Brian Manolovitz 1992-5-5 12 Los Angeles Santa Fe Dam, 15501 E. Arrow Hwy, Irwindale; 450 feet northwest of park office. Comment
  UCR205729  Salvia mellifera A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37013 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR206118  Salvia mellifera A. C. Sanders, T. B. Salvato 2009-5-29 37044 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  RSA650339  Sambucus caerulea Guy C. Black 1948-4-23 s.n. Los Angeles Approx. 4 mi. west of Covina near Baldwin Park. 213 Comment
  RSA648205  Sambucus mexicana Dan Milojevich 1981-5-17 43 Los Angeles Santa Anita Ave. & Valley Blvd. Comment
  UCR193947  Sambucus mexicana A. C. Sanders 2008-7-10 35739 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR206135  Sambucus mexicana A. C. Sanders, T. B. Salvato 2009-5-29 37046 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  UC520325  Samolus parviflorus Louis C. Wheeler 1933-7-7 1917 Los Angeles near El Monte (Lexington Wash); Lexington Wash 73 Comment
  UC526238  Samolus parviflorus Louis C. Wheeler 1933-7-7 1917 Los Angeles near El Monte (Lexington Wash); Lexington Wash 73 Comment
  UC877769  Samolus parviflorus Louis C. Wheeler 1933-7-7 1917 Los Angeles near El Monte (Lexington Wash); Lexington Wash 73 Comment
  RSA785451  Sapium sebiferum Kai T. Palenscar, Dwight Williams 2011-8-24 s.n. Los Angeles Whittier, San Gabriel River c. 300 m west of 605 Fwy overpass, NE of 60 Fwy, south side of river course. 71 Comment
  UCR229507  Sapium sebiferum Kai T. Palenscar, Dwight Williams 2011-8-24 s.n. Los Angeles South Coast; Los Angeles Basin, Whittier, San Gabriel River c. 300 m west of 605 Fwy overpass, NE of 60 Fwy, south side of river course 71 Comment
  CDA2421  Schismus arabicus J. J. Heuer 1964-2-4 Los Angeles Back of Santa Fe Dam, Irwindale. 0 Comment
  POM6453  Schoenoplectus acutus var. occidentalis L. T. Street 1919-5-10 2758 Los Angeles Near Bassett 90 Comment
  CAS-BOT-BC111476  Schoenoplectus americanus I. Johnston 1917-5-13 s.n. Los Angeles El Monte, ditch along R. R. 83 Comment
  POM1406  Schoenoplectus americanus I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 84 Comment
  POM6448  Schoenoplectus americanus L. T. Street, G. Williams 1919-5-10 2700 Los Angeles Near Bassett 90 Comment
  POM1384  Scirpus acutus var. occidentalis I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 122 Comment
  UC306166  Scirpus acutus var. occidentalis I. Johnston 1917-5-13 27 B Los Angeles El Monte El Monte (ditch along R.R., Southern California) 121 Comment
  UC306164  Scirpus americanus I. Johnston 1917-5-13 Los Angeles El Monte El Monte (ditch along R.R., Southern California) Comment
  UCR206502  Scirpus maritimus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36963 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  CAS-BOT-BC111023  Scirpus microcarpus L. F. Street; Williams 1919-5-10 2755 San Bernardino Bassett running stream Comment
  POM1413  Scirpus microcarpus I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 61 Comment
  POM6456  Scirpus microcarpus L. T. Street, G. Williams 1919-5-10 2757 Los Angeles Near Bassett. 90 Comment
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Feb 23 2017
  POM6458  Scirpus microcarpus L. T. Street, G. Williams 1919-5-10 2755 Los Angeles Near Bassett. 90 Comment
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Feb 23 2017
  UC306138  Scirpus microcarpus I. Johnston 1917-5-13 Los Angeles El Monte 152 Comment
  UCR205639  Searsia lancea A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37005 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  CLARK-A1528-2161  Senecio douglasii John C. Roos 1940-8-31 242 Los Angeles San Gabriel River Comment
  CAS-BOT-BC327419  Senecio flaccidus var. douglasii A. C. Sanders; T. B. Salvato 2009-5-29 37039 Los Angeles Irwindale at northwest edge of Baldwin Park under SCE power lines northwest of San Gabriel River and southeast of 605 Freeway south of Live Oak Avenue, Baldwin Park 7.5', San Gabriel Valley 114 Comment
  POM262782  Senecio flaccidus var. douglasii J. C. Roos 1940-8-31 242 Los Angeles San Gabriel River, near El Monte Comment
  RSA472929  Senecio flaccidus var. douglasii F. R. Fosberg 1930-3-7 53111 Los Angeles Lexington Wash, San Gabriel River, El Monte 80 Comment
  SBBG126268  Senecio flaccidus var. douglasii A. C. Sanders with T. B. Salvato 2009-5-29 37039 Los Angeles Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave 114 Comment
  UCR206169  Senecio flaccidus var. douglasii A. C. Sanders, T. B. Salvato 2009-5-29 37039 Los Angeles San Gabriel Valley, Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  SDSU2030  Sequoia sempervirens Gerald Collier 1951-4-8 J 55 Los Angeles 2615 Lower Azusa Road, El Monte. About 12 miles east of L.A. Comment
  UCR206514  Setaria parviflora A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36956 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  CDA36376  Sherardia arvensis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36980 Los Angeles San Gabriel Valley; Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines. Comment
  UCR205691  Sherardia arvensis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36980 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  UCR108741  Sisymbrium erysimoides Scott D. White, Pam DeVries 1998-4-19 6273 Los Angeles City of Irwindale, Santa Fe Flood Control Basin (on the San Gabriel River) 152 Comment
  UCR205742  Sisymbrium erysimoides A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36990 Los Angeles San Gabriel Valley, San Gabriel River channel between Lower Azusa Rd. and the I-605 crossing, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 110 Comment
  POM1767  Sisyrinchium bellum I. M. Johnston 1917-5-13 1022 Los Angeles El Monte. 84 Comment
  UC205501  Sisyrinchium bellum I. Johnston 1917-5-13 1022 Los Angeles El Monte along R. R. El Monte Comment
  NY1130092  Solanum A. C. Sanders 2009-5-28 37030 Los Angeles San Gabriel Valley: San Gabriel River channel between Ramonoa Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines. 92 Comment
  POM4250  Solanum americanum I. M. Johnston 1918-7-29 2102 Los Angeles El Monte. Along Railroad. 91 Comment
  RSA427317  Solanum americanum F. R. Fosberg 1930-7-3 S- 3086 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  UC303684  Solanum americanum I. M. Johnston 1918-7-29 2102 Los Angeles [El Monte]? [El Monte] 91 Comment
  UCR139362  Solanum americanum I. M. Johnston 1918-7-29 2102 Los Angeles San Gabriel Valley, El Monte, under [San Gabriel River] bridge along railroad 91 Comment
  UCR205680  Solanum americanum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36929 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  RSA422432  Solanum douglasii F. R. Fosberg 1930-7-3 S- 3039 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UCR193945  Solanum douglasii A. C. Sanders 2008-7-10 35740 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  RSA0020077  Solanum marginatum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37030 Los Angeles San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  UCR205722  Solanum marginatum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37030 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR205734  Solanum nigrum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37018 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR205744  Solanum nigrum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36973 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  RSA652025  Solanum umbelliferum David B. Dunn, H. Lint, P. Tolstoy 1948-4-23 s.n. Los Angeles Bonita Ave. near Irwindale Ave. Irwindale. Comment
  UCR205890  Solanum umbelliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37086 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  UCR205723  Spergularia rubra A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37010 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  POM223057  Stachys albens Louis C. Wheeler 1933-7-7 1921 Los Angeles Lexington Wash near El Monte. 73 Comment
  RSA582111  Stachys albens Louis C. Wheeler 1933-7-7 1921 Los Angeles Lexington Wash near El Monte. 73 Comment
  RSA478176  Stellaria media F. R. Fosberg 1930-7-3 S- 3095 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  RSA474230  Stephanomeria pauciflora F. R. Fosberg 1930-7-3 s 3106 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UCR205534  Stephanomeria pauciflora A. C. Sanders, T. B. Salvato 2009-5-29 37037 Los Angeles San Gabriel Valley, Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  UC303524  Symphyotrichum lanceolatum var. hesperium I. M. Johnston 1918-10-21 2162 Los Angeles El Monte Comment
  POM6214  Taraxacum officinale I. M. Johnston 1917-5-13 985 Los Angeles El Monte. 84 Comment
  SD240987  Triadica sebifera Kai T. Palenscar, Dwight Williams 2011-8-24 Los Angeles South Coast: Los Angeles Basin: Whittier, San Gabriel River c. 22300 m west of 605 Fwy overpass, NE of 60 Fwy, south side of river course (el Monte 7.5'Q) 71 Comment
  POM1950  Trifolium wormskioldii I. M. Johnston 1917-5-13 27 -F Los Angeles El Monte. 122 Comment
  POM6357  Trifolium wormskioldii L. T. Street, G. Williams 1901-5-10 2762 Los Angeles Near Bassett. San Gabriel River bottom. 90 Comment
  RSA368937  Triglochin maritima Anstruther Davidson 1890-05 s.n. Los Angeles San Gabriel [River] near El Monte Comment
  UCR205687  Typha A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36932 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  UCR206518  Typha A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36948 Los Angeles San Gabriel Valley, Baldwin Park, San Gabriel River channel south of Ramona Blvd. and north of I-10 Fwy, under SCE powerlines 91 Comment
  UCR193938  Ulmus parvifolia A. C. Sanders 2008-7-10 35724 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR205628  Ulmus parvifolia A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37022 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  RSA427264  Verbascum virgatum Anstruther Davidson 1890-04 s.n. Los Angeles El Monte. Comment
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Oct 3 2010
  RSA427265  Verbascum virgatum F. R. Fosberg 1930-7-3 S- 3097 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  RSA762645  Verbascum virgatum R. G. Swinney 2008-11-30 9887 Los Angeles Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy. 165 Comment
  UCR100060  Verbascum virgatum R. G. Swinney 1969-5-1 396 Los Angeles San Gabriel Valley, c. 100 yards south of Duarte city limits on Buena Vista Ave. in Irwindale, c. 100 yards west of San Gabriel River channel 133 Comment
  UCR210519  Verbascum virgatum R. G. Swinney 2008-11-30 9887 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UCR205644  Verbena bracteata A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37019 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR205738  Verbena lasiostachys A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36986 Los Angeles San Gabriel Valley, San Gabriel River channel between Lower Azusa Rd. and the I-605 crossing, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 110 Comment
  CAS-BOT-BC327013  Verbesina encelioides S. B. Parish; W. F. Parish 1882-10-1 1595 Los Angeles El Monte Comment
  POM4973  Verbesina encelioides subsp. exauriculata I. M. Johnston 1918-7-29 2107 Los Angeles El Monte 91 Comment
  UC213317  Verbesina encelioides subsp. exauriculata I. M. Johnston 1918-7-29 2107 Los Angeles El Monte 91 Comment
  UC306462  Verbesina encelioides subsp. exauriculata I. M. Johnston 1918-7-29 2107 Los Angeles El Monte 91 Comment
  UC832709  Verbesina encelioides subsp. exauriculata I. M. Johnston 1918-7-24 2107 Los Angeles El Monte 91 Comment
  SD9022  Verbesina encelioides var. exauriculata W. F. Parish, S. B. Parish Oct 1883 Los Angeles El Monte Comment
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Oct 5 2016
  UCR205645  Veronica anagallis-aquatica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36936 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  RSA424294  Viola nephrophylla Anstruther Davidson 1897-04 1810 Los Angeles El Monte. Comment
  CLARK-A1703-87  Vitis girdiana Robin L. Kobaly 1972-5-23 RLK 720523 Los Angeles El Monte 106 Comment
  POM6318  Vitis girdiana L. L., G. M. 1919-5-10 2754 Los Angeles near Bassett, near running stream. 90 Comment
  RSA390408  Vitis girdiana F. R. Fosberg 1930-7-3 S- 3090 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  SDSU11392  Vitis girdiana Gerald Collier 1951-5-12 M 303 Los Angeles Rio Hondo River bottom. El Monte. About 1 mile east of Roasemead Blvd. and 10 yards south of P.E. RR tracks. Comment
  UCR193937  Vitis girdiana A. C. Sanders 2008-7-10 35723 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  RSA441177  Xanthium spinosum F. R. Fosberg 1930-7-3 s 3092 Los Angeles San Gabriel River, El Monte. 80 Comment
  RSA441188  Xanthium strumarium F. R. Fosberg 1930-7-3 S 3083 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  GH357705  Yucca whipplei Mar.3. Unknown Mts. 12 mi. E of Los Angeles Comment
  UC1280820  Yucca whipplei Louis C. Wheeler 1932-4-14 615 Los Angeles San Gabriel Wash 106 Comment
  UCR205948  Yucca whipplei subsp. parishii A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37080 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment



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