38.85705 38.95705 -121.12542 -121.02542 UC/JEPS: Consortium Search Results
Search Results — 788 specimen records retrieved (788 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD43608  Acer macrophyllum Darley F. Howe 1948-5-22 1822 Placer Placer Co 1220 Comment
  CHSC21065  Acmispon argophyllus var. fremontii M. S. Taylor 1975-5-10 572 Placer On steep roadbank above American River by bridge on Hwy 49, ca. 2 mi s of Auburn. 213 Comment
  UCD104046  Acmispon brachycarpus Beecher Crampton 1977-4-3 9465 Placer 3.5 miles north of Auburn just east of Elder's Corner, along Dry Creek Road. Comment
  UCD104064  Acmispon brachycarpus G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11711 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  UCD67894  Adenostoma fasciculatum Julie Knorr 1977-5-29 15 Placer Auburn Ravine Road, ca. 2.2 miles S from Auburn. Comment
  SEINET7067125  Agoseris heterophylla A. G. Vestal 1947-4-29 s.n. Placer Serpentine about 3.8 miles north of Auburn and 0.2 miles south of Elders Corner on Route 49. Coordinate datum: NAD27. UTM Zone 10, 664672mE, 4313245mN. Comment
  SD113171  Agoseris retrorsa Darley F. Howe 1948-5-23 1853 Placer American River 305 Comment
  UC112920  Agoseris retrorsa Katharine Brandegee 1908-6-6 Placer near Auburn Comment
  UCD80032  Agoseris retrorsa CNPS SN Foothill Team 2005-5-2 SNFN 0185 b El Dorado CDPR Auburn State Recreation Area, 500 meters west of Olmsted Loop trail, approximately one km east of a bend in the American River. The access is easiest from the Cool entrance near Highways 49 and 193, about due west of the gate and parking area. 416 Comment
  JEPS78004  Agrostis exarata W. H. Shockley Jun 1886 547 Placer Auburn Comment
  CAS-BOT-BC64488  Ailanthus altissima Elizabeth McClintock 1969-5-31 s.n. Placer E. of Auburn. Comment
  CAS-BOT-BC64489  Ailanthus altissima Elizabeth McClintock 1969-5-31 s.n. Placer E. of Auburn. Comment
  UCD55785  Aira caryophyllea August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  UCD80419  Allium peninsulare var. peninsulare CNPS SN Foothill Team 2005-5-2 SNFN 0185 a El Dorado CDPR Auburn State Recreation Area, 500 meters west of Olmsted Loop Trail, approximately 1 km east of a bend in the American River. The access is easiest from the Cool entrance near Highways 49 and 193, west of the gate and parking area. 416 Comment
  SD43609  Alnus tenuifolia Darley F. Howe 1948-5-22 1823 Placer unknown 1705 Comment
  UCR258217  Amaranthus albus George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20054 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  CAS-BOT-BC13677  Ambrosia artemisiifolia Beecher Crampton 1959-9-17 5463 Placer Along US Highway 40 east of AUburn, at Bowman Comment
  UCD128679  Ambrosia artemisiifolia Beecher Crampton 1959-9-17 5463 Placer Bowman, along U. S. Highway 40. Comment
  UCD37375  Ambrosia artemisiifolia Beecher Crampton 1959-9-17 5463 Placer Bowman, along U. S. Highway 40. Comment
  A414225  Ambrosia dumosa C. C. Epling, L. C. Ellison & H. W. Anderson 1930-4-17 Unknown Ophir Mine Comment
  UC1137512  Amorpha californica var. californica A. E. Wieslander 1931-6-19 239 El Dorado on Mother Lode Hwy near Lime Kiln; Sacramento Quadrangle, Middle Fork of American River 304 Comment
  UCD14396  Anagallis arvensis Cathleen Chapton 1983-5-28 41 Placer Placer Co.; along Flood Lane; 441 Comment
  UCD37506  Andropogon glomeratus Beecher Crampton 1960-11-2 5802 Placer Placer County, 1 mile southeast of Auburn, north slope above North Fork of American River, along State Highway 49. Comment
  UCD56040  Andropogon glomeratus Beecher Crampton 1960-11-2 5802 Placer north slope of the North Fork of the American River, along State Hwy. 49, 1 mile SE of Auburn. Comment
  UCD56060  Andropogon glomeratus Arthur L. Menzies 1962-11-3 s.n. Placer Sierra Nevada, on Hwy. 49, 1/4 mile west of American River Bridge near Auburn. 213 Comment
  UCR146673  Andropogon glomeratus Beecher Crampton 1960-11-2 5802 Placer Sierra Nevada foothills, 1 mile east ['southeast'] of Auburn; north slope above North Fork of American River along State Highway 49 305 Comment
  CAS-BOT-BC137821  Andropogon glomeratus var. pumilus Arthur L. Menzies 1962-11-3 s.n. Placer On Highway 49. 0.25 mile west of American River Bridge near Auburn. 213 Comment
  CAS-BOT-BC137822  Andropogon glomeratus var. pumilus Beecher Crampton 1960-11-2 5802 Placer 1 mile southeast of Auburn, State Highway 49. Comment
  CDA31477  Andropogon virginicus Cliff Hulbert 1957-10-27 Placer Auburn, Ranch of Edward Forester (Rt. , Box 1218) 0 Comment
  UCD37503  Andropogon virginicus Beecher Crampton 1960-11-2 5793 Placer Placer County, 2 miles east of Bowman, along U.S. Highway 40. Comment
  UCD56100  Andropogon virginicus Beecher Crampton 1960-11-2 5793 Placer 2 miles east of Bowman, along U.S. Hwy. 40. Comment
  UCD56102  Andropogon virginicus Jack E. Herr 1955-10-10 s.n. Placer Auburn. Comment
  UCD56110  Andropogon virginicus Beecher Crampton 1957-5-7 3999 Placer 2 miles west of Clipper Gap, US Hwy. 40 ca. 3 miles east of Auburn. Comment
  CAS-BOT-BC137794  Andropogon virginicus var. virginicus Beecher Crampton 1955-5-7 3999 Placer Roadbank, along US Highway 40, about 3 miles east of Auburn. Comment
  UC1153926  Andropogon virginicus var. virginicus Beecher Crampton 1957-5-7 3999 Placer US Hwy 40 ca 3 mi e Auburn (2 mi w of Clipper Gap); w of Clipper Gap Comment
  CAS-BOT-BC84676  Anthemis cotula Eliz. Parsons Hawver 1913-10-1 s.n. Placer Auburn Comment
  SACT000336  Anthoxanthum odoratum Josephine Van Ess 1977-5-13 Placer 2120 Bald Hill Road. Moist ditch bank. 365.8 Comment
  UCD127200  Anthriscus caucalis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10427 Placer Northern Sierra Nevada foothills 2.1 mi south of Auburn along Calif. Hwy 49. 293 Comment
  UCD127201  Anthriscus caucalis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10427 -B Placer Northern Sierra Nevada foothills 2.1 mi south of Auburn along Calif. Hwy 49. 293 Comment
  UCR176282  Anthriscus caucalis George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10427 B Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  POM190466  Antirrhinum leptaleum D. D. Keck 1932-7-1 1591 Placer 2 miles N. of Auburn on Nevada City Road. 427 Comment
  UC12046  Aphanes occidentalis H. N. Bolander 4541 Placer Auburn Comment
  CDA5523  Araujia sericifera Clark Aug 1937 Placer Near Auburn. 0 Comment
  UC336862  Arceuthobium campylopodum Lemmon 1886-1 Placer Auburn Comment
  UCD34189  Arceuthobium campylopodum Beecher Crampton 1977-10-2 9539 Placer Placer County, 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek Road. Comment
  GH350339  Arctostaphylos glauca H. N. Bolander 1865-06-01 - 1865-07-01 Unknown Auburn Comment
  GH350417  Arctostaphylos glauca M. E. P. Ames 1891-02-01 - 1891-03-01 Unknown Auburn Comment
  UC193055  Arctostaphylos viscida subsp. viscida C. F. Sonne 1891-4-5 Placer between Auburn and Newcastle Comment
  UC571236  Arctostaphylos viscida subsp. viscida H. L. Mason 1926-5-28 3264 Placer hills near Auburn Comment
  SBBG115628  Aristida oligantha B. Crampton 1961-9-27 5995 Placer ca. 1 mi W of Auburn, along US Hwy 40 Comment
  UCD37738  Aristida oligantha Beecher Crampton 1961-9-27 5995 Placer Placer County, 1 mile west of Auburn, along U.S. Highway 40. Comment
  UCD56443  Aristida oligantha Beecher Crampton 1961-9-27 5995 Placer 1 mile west of Auburn, along US Hwy. 40. Comment
  CAS-BOT-BC400409  Aristolochia californica J. W. Congdon 1894-4-4 s.n. Placer Auburn Comment
  SBBG61533  Aristolochia californica E. Flint 1931-2-21 1297 Placer Auburn ravine 304 Comment
  SEINET6652456  Aristolochia californica A. Tiehm, H. Mozingo, M. Williams, E. McPherson 1975-1 626 El Dorado Middle Fork American River 305 Comment
  UC543761  Aristolochia californica Charles L. Phillips 1928-3-25 Placer Auburn Comment
  SJSU2074  Asclepias cordifolia F. J. Santana 1958-5-10 77 Placer 2 mi SE of Auburn Comment
  UCD121253  Asclepias cordifolia Al Franklin 1987-5-1 87 -7 Placer 1.3 miles east of I-80 on Foresthill Road, just outside Auburn, east side of N. Fork American River Canyon. 396 Comment
  UCD121256  Asclepias cordifolia Dr. Isabel McCracken 1935-6-2 s.n. Placer Near Auburn. Comment
  POM76173  Asclepias fascicularis Marcus E. Jones 1882-7-8 s.n. Placer Auburn Comment
  SEINET5779891 Image available Asclepias fascicularis Marcus E. Jones 1882-1 3399 Placer Auburn Comment
  UC878990  Asclepias fascicularis Marcus E. Jones, A. M. 1882-7-8 Placer Auburn Comment
  UC879052  Asclepias fascicularis Marcus E. Jones, A. M. 1882-7-8 Placer Auburn Comment
  UCR258169  Asclepias fascicularis George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20051 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  UCD104783  Astragalus gambelianus Al Franklin 1987-5-1 87 -08 Placer 1.3 miles east of I-80, on Foothill Road, just outside Auburn, CA. 396 Comment
  UCD34140  Astragalus pauperculus Beecher Crampton 1977-4-3 9464 Placer Placer County, 3.5 miles north of Auburn, just east of Elder's Corner on Dry Creek Road. Comment
  POM143372  Athysanus pusillus Milo S. Baker 1900-2-11 s.n. Placer Near Auburn. Comment
  SACT000358  Avena barbata Michael Baad 1983-5-5 Placer Southeast of junction with Canyon Way Road. Four miles South of Colfax. 548.64 Comment
  UC1130893  Avena barbata N. French, R. Clar 1933-6-5 68 Placer Middle Fork American River Sacramento Quadrangle Comment
  GH4059  Balsamorhiza bolanderi H. N. Bolander 1865-1-1 4526 Unknown Auburn Comment
  RSA43812  Balsamorhiza deltoidea D. F. Howe 1948-5-23 s.n. Placer American River 305 Comment
  SD43641  Balsamorhiza deltoidea Darley F. Howe 1948-5-23 1859 Placer American River 305 Comment
  SDSU6483  Balsamorhiza deltoidea D. F. Howe 1948-5-23 1859 Placer American River. 305 Comment
  UC206769  Balsamorhiza deltoidea Katharine Brandegee 1909-4-28 El Dorado between Auburn and Cool Auburn Comment
  UC206780  Balsamorhiza deltoidea Katharine Brandegee 1909-4-28 El Dorado between Auburn and Cool Auburn Comment
  CAS-BOT-BC75540  Berberis dictyota Mrs. J. C. Hawver 1913-3-28 s.n. Placer Auburn. 365 Comment
  JEPS47760  Berberis pinnata unknown 1884-1 Placer Auburn Comment
Read comments
Jul 10 2007
  UCR253504  Brassica kaber George K. Helmkamp 2014-3-11 22540 Nevada Sierra Nevada Mountains Foothills, Auburn, southbound on CA-49 about 0.1 mile east of Lincoln Way 402 Comment
  SD243074  Brickellia californica George K. Helmkamp, E. A. Helmkamp 2010-10-16 17015 Placer Northern Sierra Nevada Mountains Foothills: Old Foresthill Road (Between CA-49 and new Foresthill Road), 1.8 miles northeast of junction with CA-49 (Auburn 7.5'Q) 249 Comment
  SEINET7379446 Image available Brickellia californica A. Tiehm 1973-10-16 s.n. El Dorado Hill above Middle Fork of American River near North Fork 305 Comment
  UC532164  Brickellia californica Herbert F. Copeland 1931-9-7 El Dorado Rattlesnake Bridge Comment
  UCD149451  Brickellia californica G. Ledyard Stebbins 1976-8-14 76191 El Dorado Along North and Middle Forks of American River, south side, just east of Highway 49 bridge. (Exact location unknown. Coordinates estimated by label maker. Location, elevation, and ecological information copied from duplicate CAS652249. Newspaper notes said N. Fork American at HWY 49 Aug 14 '76 and collection number.) 188 Comment
  UCR231884  Brickellia californica George K. Helmkamp, E. A. Helmkamp 2010-10-16 17015 Placer Northern Sierra Nevada Mountains Foothills, Old Foresthill Road (between CA-49 and new Foresthill Rd), 1.8 miles northeast of junction with CA-49 250 Comment
  UCD57484  Briza minor August L. Hormay 1932-5-24 s.n. Placer West of Auburn. Comment
  JEPS7635  Brodiaea elegans subsp. elegans W. H. Shockley Placer Auburn Comment
  UC337863  Brodiaea elegans subsp. elegans unknown June, 1889 Placer near Auburn Comment
  SEINET7067123  Brodiaea stellaris A. G. Vestal 1947-4-29 s.n. Placer Serpentine about 3.8 miles north of Auburn and 0.2 miles south of Elders Corner on Route 49. Coordinate datum: NAD27. UTM Zone 10, 664672mE, 4313245mN. Comment
Read comments
Jul 17 2018
  CAS-BOT-BC144214  Bromus arenarius Peter H. Raven 1953-5-10 5492 Placer Road to Placerville 1.7 mile from Auburn, in canyon of American River. Comment
  UCD58263  Bromus carinatus August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  UCD80532  Bromus carinatus var. carinatus CNPS SN Foothill Team 2005-5-2 SNFN 0187 a El Dorado CDPR Auburn State Recreation Area, just south of the Olmstead Loop Trail, south of the Knickerbocker Canyon (just after the trail comes out of the canyon). 430 Comment
  UCD58524  Bromus diandrus Al Franklin 1987-5-1 87 -04 Placer 1.6 miles east of I-80 on Forest Hill Rd. Just outside of Auburn. 426 Comment
  UCD59464  Bromus diandrus August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  UCD58814  Bromus hordeaceus August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  UCD58828  Bromus hordeaceus Al Franklin 1987-5-1 87 -01 Placer 1.6 miles east of I-80 on Foresthill Road; just outside of Auburn. 426 Comment
  UCR176281  Bromus hordeaceus George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10430 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCR238586  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2012-3-31 18665 Placer Northern Sierra Nevada Mountains Foothills, Old Foresthill Road, 0.7 mile northeast of its junction with CA-49 and the American River Crossing 258 Comment
  SEINET199803 Image available Bromus laevipes J. M. Tucker 1958-5-27 3388 El Dorado Beside State Highway 49, 3.2 miles (by road) N of Cool Comment
  UCD58915  Bromus laevipes J. M. Tucker 1958-5-27 3388 El Dorado Beside State Highway 49. 3.2 miles (by road) north of Cool. Comment
  UCD58996  Bromus madritensis August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  SACT000728  Bromus rubens Michael Baad 1983-4-17 Placer 2.7 miles outheast of intersection descending to Middlefork of the American River, serpentine outcrop. 609.6 Comment
  SACT000766  Bromus tectorum Michael Baad 1983-5-5 Placer 1.2 miles southeast of Canyon Way descending to North Fork of the American River 548.64 Comment
  CHSC24734  Calochortus albus T. C. English 1976-4-11 12 Placer N. Fork American River. 2 mi. W. Hwy 49 bridge, 400yds. N. abandoned R. R. in S. facing rockpile. 335 Comment
  CHSC81580  Calochortus albus D. Tellefson 2000-4-23 Placer Shockley Woods, Shockley Rd, Auburn. 400 Comment
  UCD164643  Calochortus albus Brandi Sorensen 1995-5-12 7 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  UCR257022  Calochortus albus George K. Helmkamp, Amy Barnes 2014-4-23 22782 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  UC1134527  Calochortus superbus C. R. Clar 1933-6-4 125 Placer near Newcastle; Sacramento Quad. 243 Comment
  SD103951  Calochortus uniflorus J. L. S. S. 1970-5-26 Placer Near Auburn, wet. low, alkaline places. (IPB 3/08) Comment
  CAS-BOT-BC270651  Calycadenia multiglandulosa David D. Keck 1932-7-1 1590 Placer 2 miles N of Auburn 425 Comment
  CAS-BOT-BC270652  Calycadenia multiglandulosa David D. Keck 1932-7-1 1590 Placer 2 miles N of Auburn 425 Comment
  CAS-BOT-BC270653  Calycadenia multiglandulosa David D. Keck 1932-7-1 1590 Placer 2 miles N of Auburn 425 Comment
  SD61090  Calycadenia multiglandulosa Darley F. Howe 1964-7-26 3872 Placer Auburn 365 Comment
  SDSU6417  Calycadenia multiglandulosa D. F. Howe 1964-7-26 3872 Placer Auburn. Comment
  UC935701  Calycadenia multiglandulosa David D. Keck and J. Clausen 1932-7-1 1590 Placer 2 mi n of Auburn 426 Comment
  POM298237  Calycadenia multiglandulosa subsp. bicolor D. D. Keck, J. Clausen 1932-7-1 1590 Placer 2 miles north of Auburn 427 Comment
  CDA42829  Calycadenia truncata G. F. Hrusa, M. Pitcairn 2015-7-16 18652 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 329 Comment
  JEPS31609  Calystegia occidentalis subsp. occidentalis W. H. Shockley June 1886 Placer Auburn Comment
  SEINET13203118 Image available Calystegia occidentalis subsp. occidentalis George K. Helmkamp, Amy Barnes 2014-1 22779 Placer Sierra Nevada Mountains Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River (Auburn 7.5' Q.) 290 Comment
  UCR257020  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, Amy Barnes 2014-4-23 22779 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  UCD149441  Carex G. Ledyard Stebbins 1976-9-25 76267 El Dorado South side of the American River at junction of North and Middle Fork, immediately east of State Highway 49. (Exact location unknown. Coordinates estimated by label maker.) 176 Comment
  CAS-BOT-BC118341  Carex praegracilis Bolander 4549 Placer Meadows near Auburn Comment
  UC809  Carex praegracilis H. N. Bolander 1865-4-11 4550 Placer near Auburn Comment
  UC810  Carex praegracilis H. N. Bolander 1865-4-11 4549 Placer near Auburn Comment
  CHSC81575  Carex senta D. Tellefson 2000-4-23 Placer Shockley Woods, Shockley Rd, Auburn. 400 Comment
  JEPS1213  Castilleja Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4011 Placer s of Auburn (near bridge on Rt 49); North Fork American River 213 Comment
  CAS-BOT-BC249082  Castilleja affinis Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4011 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  JEPS60232  Castilleja affinis subsp. affinis L. R. Heckard 1969-6-2 2284 El Dorado about 1.5 mi s bridge crossing North Fork American River near Auburn (along State Highway 49) 304 Comment
  UC1607878  Castilleja affinis subsp. affinis C. G. Nast 1936-4-12 126 Placer Auburn Comment
  UC942752  Castilleja affinis subsp. affinis Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4011 Placer s of Auburn (near bridge on Rt 49); North Fork American River 213 Comment
  UC962100  Castilleja affinis subsp. affinis Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4011 Placer s of Auburn (near bridge on Rt 49); North Fork American River 213 Comment
  CHSC3844  Castilleja exserta Gary Dutton 1966-3-25 147 Placer Found on hwy. 40 one mile east of Auburn. Comment
  UC194176  Castilleja lineariloba C. F. Sonne 1891-5-17 Placer Auburn Comment
  UC518950  Castilleja lineariloba David D. Keck 1933-5-31 2426 Placer just s Auburn (on road to Roseville) 304 Comment
  SEINET14164173  Castilleja pruinosa L. Edgington, H. Mozingo 1977-3-19 s.n. El Dorado On the side of Hwy 49, ca 1.5 miles from Auburn. 396 Comment
  SEINET14165229  Castilleja pruinosa D. K. Worley 1977-3-19 s.n. Placer Bank N of Hwy 49, ca 1 mile W of confluence of Middle and North Forks of American River. 335 Comment
  A349130  Ceanothus cuneatus M. E. P. Ames 1891-03-01 - 1891-04-01 Unknown Auburn Comment
  UC452649  Ceanothus cuneatus var. cuneatus Francis Ramaley 1917-4-24 11145 Placer Auburn Comment
  CAS-BOT-BC50751  Ceanothus integerrimus Amelie Blyth 1952-5-11 9 -3 Placer On road bank, along Auburn-Forest Hill Road, about 14 miles from Forest Hill Comment
  UC18463  Ceanothus integerrimus C. F. Sonne 1888-4-17 16 Placer Auburn Sierra Nevada Mts. Comment
  UCD111955  Ceanothus integerrimus Amelie Blyth 1952-5-11 9 -3 Placer Along Auburn-Forest Hill road, about 14 miles from Forest Hill. Comment
  SACT002934  Ceanothus integerrimus var. californicus Josephine Van Ess 1977-5-13 Placer Rocky streambank, light shade. 365.8 Comment
  UCD112185  Ceanothus lemmonii Ray Prag 1972-4-30 s.n. Nevada At milepost 2070, Highway 49, north of Auburn. 518 Comment
  JEPS44132  Centaurea melitensis W. H. Shockley Jun 1886 Placer Auburn Comment
  CAS-BOT-BC288621  Centromadia fitchii David D. Keck 1932-7-1 1592 Placer 2 miles N of Auburn, on Nevada City road 425 Comment
  CAS-BOT-BC222947  Cephalanthus occidentalis Carl B. Wolf 1930-10-11 1734 Placer Along Auburn Ravine, 2 miles below Auburn 365 Comment
  CAS-BOT-BC222948  Cephalanthus occidentalis Carl B. Wolf 1930-10-11 1734 Placer 2 miles below Auburn, along Auburn Ravine 365 Comment
  JEPS51365  Cerastium glomeratum W. L. Jepson 1938-4-5 18581 Placer 2 mi. e. on Placerville rd. Auburn Comment
  UC192359  Cercis occidentalis Mrs. M. E. P. Ames 1885-1 2089 Placer Auburn Comment
  CAS-BOT-BC142156  Cercocarpus betuloides Larry Malone 1961-3-18 s.n. El Dorado 2 1/2 miles west of Auburn, North Fork of American River 396 Comment
  SEINET7067126  Chaenactis glabriuscula A. G. Vestal 1947-4-29 s.n. Placer Serpentine about 3.8 miles north of Auburn and 0.2 miles south of Elders Corner on Route 49. Coordinate datum: NAD27. UTM Zone 10, 664672mE, 4313245mN. Comment
  UC112856  Chamaebatia foliolosa Katharine Brandegee 1908-6-6 El Dorado near Auburn (s side of American River); American River Comment
  UC570790  Chamaesyce maculata H. L. Mason 1929-10-4 5451 Placer 1.5 mi above Auburn Comment
  UC196661  Chamaesyce nutans E. O. Amundsen 1916-9-3 Placer East Auburn Comment
  CHSC97002  Chondrilla juncea L. P. Janeway 2007-7-8 9106 Placer Northern Sierra Nevada Foothills. Along Hwy 49/193 2.2 road km east of Auburn, between Auburn and North Fork American River. Plants scattered along the edges of the road from Georgetown to Cool to Auburn to Lincoln. 293 Comment
  RSA643338  Chondrilla juncea R. D. Goeden, D. W. Ricker 1967-6-9 s.n. Placer Newcastle, on I-80 SW of Auburn 250 Comment
  SD143574  Chondrilla juncea R. D. Goeden, D. W. Ricker 1967-6-9 Placer Sierra Nevada foothills, Newcastle, on Interstate 80 southwest of Auburn 249 Comment
  UCD19109  Chondrilla juncea A. M. Shapiro 1987-6-6 s.n. Placer city of Auburn, Hwy 49 north of Elm St., in restaurant parking lot (Katrina's Kitchen). 365 Comment
  UCR109611  Chondrilla juncea R. D. Goeden, Don W. Ricker 1967-6-9 s.n. Placer Sierra Nevada Foothills, Newcastle, on I-80 SW of Auburn 250 Comment
  UCR194954  Chorizanthe membranacea George K. Helmkamp, E. A. Helmkamp 2007-5-18 12038 Placer Northern Sierra Nevada Mountains Foothills, along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  CAS-BOT-BC162648  Clarkia Peter H. Raven 1953-5-10 5490 Placer Road to Placerville 1.7 miles from Auburn in canyon of American River Comment
  UC114017  Clarkia arcuata Katharine Brandegee 1908-6-6 El Dorado between Cool and Auburn Comment
  POM155586  Clarkia biloba subsp. brandegeeae D. D. Keck 1928-6-12 419 Nevada Auburn. 305 Comment
  SD113934  Clarkia dudleyana Darley F. Howe 1948-5-23 1854 Placer American River 305 Comment
  UCD104053  Clarkia dudleyana Julie Combs 1994-5-14 25 Placer 1/2 mile E of Robie St. along hiking trail. 274 Comment
  UCD34164  Clarkia purpurea Beecher Crampton 1977-6-11 9501 Placer 3.5 miles N.E. of Auburn, Dry Creek road just east of Elder's Corners. Comment
  UCR194947  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, E. A. Helmkamp 2007-5-18 12037 Placer Northern Sierra Nevada Mountains Foothills, along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  JEPS43682  Clarkia unguiculata W. H. Shockley Jun 1886 Placer Auburn Comment
  UC1122463  Clarkia unguiculata N. French, R. Clar 1933-6-5 20 Placer Middle Fork American River Sacramento Quadrangle Comment
  UC423052  Clarkia unguiculata David D. Keck 1928-6-12 420 Placer Auburn 304 Comment
  UCD105047  Clarkia unguiculata H. T. Hartmann 1941-6-21 s.n. Placer Near Auburn. 243 Comment
  CAS-BOT-BC229138  Claytonia parviflora subsp. grandiflora Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4013 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  JEPS43378  Claytonia parviflora subsp. grandiflora W. L. Jepson 1938-4-5 18585 Placer 2 mi e Auburn (near North Fork American River) Comment
  UC942754  Claytonia parviflora subsp. grandiflora Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4013 Placer s of Auburn (near bridge on Route 49); North Fork American River 213 Comment
  CAS-BOT-BC443633  Claytonia perfoliata subsp. perfoliata Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4014 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  UC942756  Claytonia perfoliata subsp. perfoliata Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4014 Placer s of Auburn (near bridge on Route 49); North Fork American River 213 Comment
  UC26646  Collinsia sparsiflora var. collina H. N. Bolander 1865-4-10 4507 Placer Auburn Comment
  UC26648  Collinsia sparsiflora var. collina H. N. Bolander 1865-4-10 4507 Placer Auburn Comment
  CAS-BOT-BC287162  Coreopsis stillmanii Volney Rattan 1865-1-1 s.n. Placer Auburn Comment
  UC33148  Coreopsis stillmanii W. H. Brewer 1865-4-10 4520 Placer Auburn Comment
  UCD80050  Coreopsis stillmanii CNPS SN Foothill Team 2005-3-12 Survey Placer Auburn State Recreation Area. Comment
  CAS-BOT-BC210550  Cornus sessilis G. R. Vasey 1880-10-1 s.n. Placer Auburn Comment
  CAS-BOT-BC210551  Cornus sessilis D. F. Howe 1948-5-22 45 Placer Unspecified 1219 Comment
  SD43764  Cornus sessilis Darley F. Howe 1948-5-22 1924 Placer 1220 Comment
  UCD34171  Cuscuta brachycalyx Beecher Crampton 1977-7-2 9512 Placer 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek road. Comment
  UCR146848  Cuscuta brachycalyx Beecher Crampton 1977-7-2 9512 Placer Sierra Nevada Foothills, 3.5 miles northeast of Auburn, east of Elder's Corner on Dry Creek Road 412 Comment
  CAS-BOT-BC224541  Cuscuta californica Beecher Crampton 1977-7-2 9512 Placer 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek road Comment
  UCSB32294  Cymopterus terebinthinus var. californicus Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  UC193936  Cynoglossum grande C. F. Sonne May 1891 Placer woods below Auburn Comment
  CAS-BOT-BC190382  Cynosurus echinatus J. M. Tucker 1958-5-27 3393 El Dorado Beside State Highway 49, 3.2 miles (by road) north of Cool. Comment
  CAS-BOT-BC190385  Cynosurus echinatus J. M. Tucker 1958-5-27 3393 El Dorado Beside State Highway 49, 3.2 miles (by road) north of Cool. Comment
  CDA1947  Cynosurus echinatus J. H. Wilson 1963-6-13 Placer Old Hwy 40, east limits of Auburn. 0 Comment
  LA29957  Cynosurus echinatus J. M. Tucker; 1958-5-27 3393 El Dorado beside State Hwy 49, 3.2 mi (by road) N of Cool Comment
  RSA119090  Cynosurus echinatus J. M. Tucker 1958-5-27 3393 El Dorado Beside State Highway 49, 3.2 miles (by road) north of Cool. Comment
  UCD60141  Cynosurus echinatus J. M. Tucker 1958-5-27 3393 El Dorado Beside State Highway 49, 3.2 miles (by road) north of Cool. Comment
  CAS-BOT-BC114550  Cyperus eragrostis Brighton C. Cain 1925-8-15 4 Placer 2 miles south of Auburn at Wise Power House. Comment
  UCR258211  Cyperus eragrostis George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20045 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  SACT000868  Dactylis glomerata Josephine Van Ess 1977-5-13 Placer Collected .5 mile west of intersection with Bald Hill Road. Moist roadside bank. 360.0 Comment
  SJSU2066  Dactylis glomerata F. J. Santana 1958-5-10 Placer vicinity of Auburn Comment
  UCD60282  Dactylis glomerata Collector unknown 1951-1 Placer Auburn Area. Comment
  UCR173269  Dactylis glomerata George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10432 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  JEPS21076  Datisca glomerata L. T. Dempster 1958-8-11 1178 El Dorado near Auburn (American River); American River 365 Comment
  UCD149442  Datisca glomerata G. Ledyard Stebbins 1976-9-25 76276 El Dorado South side of the American River at junction of North and Middle Fork, immediately east of State Highway 49. (Exact location unknown. Coordinates estimated by label maker.) 176 Comment
  UCR258210  Daucus carota George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20046 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  UCD80699  Delphinium gracilentum CNPS SN Foothill Team 2005-4-26 SNFN 0182 b Placer CDPR, Auburn State Recreation Area, about a half kilometer north of Robie Point. 272 Comment
  CAS-BOT-BC8745  Delphinium hansenii H. Lewis; C. Epling 1941-5-24 s.n. Placer near Auburn Comment
  JEPS23295  Delphinium hansenii W. H. Shockley Jun 1886 Placer Auburn Comment
  LA207408  Delphinium hansenii H. Lewis; Carl Epling 1941-5-24 sn Placer Auburn Comment
  RSA149669  Delphinium hansenii Harlan Lewis 1941-5-24 s.n. Placer Auburn Comment
  UCD95774  Delphinium hansenii H. Lewis; C. Epling 1941-5-24 s.n. Placer Auburn. Comment
  UC1031398  Delphinium hansenii subsp. hansenii H. Lewis and C. Epling 1941-5-24 Placer Auburn Comment
  CHSC24727  Delphinium patens subsp. patens T. C. English 1976-4-18 37 Placer N. Fork American River, 100 yds. S. Hwy 49 1 mi. E. Auburn City Limits. Comment
  UCD62534  Deschampsia danthonioides August L. Hormay 1933-5-24 Placer West of Auburn. Comment
  CDA24609  Dicentra formosa G. M. Cole 1928-5-2 Placer Near Auburn. 0 Comment
  SD113852  Dicentra formosa Darley F. Howe 1948-5-22 1828 Placer 1219 Comment
  CHSC24733  Dichelostemma capitatum subsp. capitatum T. C. English 1976-4-11 18 Placer Scattered N. Fork American River 2 mi. W. Hwy 49 bridge, 300 yds. N . Abandoned R. R. 335 Comment
  UCD139188  Dichelostemma capitatum subsp. capitatum Beecher Crampton 1977-4-3 9467 Placer 3.5 miles north of Auburn, just east of Elder's Corner, Dry Creek Road. Comment
  UCD164648  Dichelostemma congestum Brandi Sorensen 1995-5-12 5 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  SD43598  Dichelostemma multiflorum Darley F. Howe 1948-5-23 1899 Placer No further locality information given on label. 456 Comment
  POM109853  Dichelostemma volubile Marcus E. Jones s.n. Placer Auburn Comment
  SD257113  Dichelostemma volubile George K. Helmkamp, Amy Barnes 2014-4-23 22785 Placer Sierra Nevada Mountains Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River (Auburn 7.5'Q) 289 Comment
  UC203707  Dichelostemma volubile C. F. Sonne May 1891 Placer near Auburn Comment
  UCR257101  Dichelostemma volubile George K. Helmkamp, Amy Barnes 2014-4-23 22785 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  UCR258182  Digitaria sanguinalis George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20039 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  CAS-BOT-BC151745  Diplacus kelloggii Mrs. Mary E. P. Ames 1886-5-1 13 Placer Auburn Comment
  CAS-BOT-BC153231  Diplacus kelloggii Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4004 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  CHSC37352  Diplacus kelloggii Michael P. Crivello 1979-4-11 Placer 2.5 mi nne Auburn at confluence of North and Middle forks of the Americal River. 274 Comment
  UCD15608  Drymocallis glandulosa Lisa Montany 1985-5-18 26 Placer Mosquito Ridge Rd, 17.3 miles west of Forest Hill Rd. 1219 Comment
  UCD101887  Dudleya cymosa G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10424 Placer Northern Sierra Nevada. 2.1 miles S of Auburn, along CA-Hwy 49. 293 Comment
  UCR173261  Dudleya cymosa subsp. cymosa George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10424 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCR194955  Dudleya cymosa subsp. cymosa George K. Helmkamp, E. A. Helmkamp 2007-5-18 12039 Placer Northern Sierra Nevada Mountains Foothills, along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  SEINET4175119  Dysphania botrys A. Tiehm 1973-10-16 s.n. Placer North Fork American River near union with Middle Fork 305 Comment
  UCD61533  Elymus elymoides August L. Hormay 1933-5-24 Placer West of Auburn. Comment
  GH365052  Elymus glaucus M. E. P. Ames 1897-1-1 Unknown Auburn Comment
  SACT001111  Elymus glaucus Josephine Van Ess 1977-4-27 Placer Collected at base of huge rocky cliff at intersection with Ophir Road. Moist ditch. 289.0 Comment
  UCD61846  Elymus glaucus J. M. Tucker 1958-5-27 3389 El Dorado Beside State Highway 49, 3.2 miles (by road) north of Cool. Comment
  SACT001153  Elymus triticoides Josephine Van Ess 1977-6-17 Placer Collected where Auburn Ravine where it crosses Moore Road. Flat area near stream. Light shade. 30.5 Comment
  CAS-BOT-BC410181  Enemion occidentale Larry Malone 1961-3-18 s.n. El Dorado 2 1/2 miles W of Auburn, N Fork of American River Comment
  UC1035660  Epilobium canum subsp. latifolium Marian M. Enzler 1939-9-26 2 Placer on Hwy 49 4 mi from Auburn (Placer-El Dorado Co. line); Junction of North and Middle Forks of American River 198 Comment
  UCR257720  Epilobium ciliatum subsp. glandulosum George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20037 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  UCR258170  Epilobium densiflorum George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20050 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  GH355737  Eragrostis cilianensis C. Best 1983-4-24 Unknown Sacramento, at the corner of Folsom Blvd. and Centennial Court, Sacremento, Sacremento Co. Comment
  UCR258193  Eragrostis pectinacea var. pectinacea George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20043 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  UC337469  Ericameria arborescens unknown c. 1874 Placer near Auburn Comment
  CAS-BOT-BC300643  Erigeron foliosus var. hartwegii Lewis S. Rose 1970-5-27 70050 El Dorado 3 miles e. of Auburn, N. Fork American River 152 Comment
  SBBG39540  Erigeron foliosus var. hartwegii L. S. Rose 1970-5-27 70050 El Dorado 3 mi E of Auburn, N Fork American River 152 Comment
  CDA4644  Erigeron philadelphicus Kelly 1928-5-2 Placer Near Auburn, along road. 0 Comment
  SD43635  Erigeron philadelphicus Darley F. Howe 1948-5-23 Placer American River 305 Comment
  SDSU3951  Erigeron philadelphicus D. F. Howe 1948-5-23 1851 Placer American River. 305 Comment
  JEPS14  Eriodictyon californicum W. H. Shockley June 1886 Placer Auburn Comment
  SD22419  Eriogonum pedunculatum Susan G. Stokes 1932-8-4 Placer Near Auburn Comment
  UCD149436  Eriogonum umbellatum G. Ledyard Stebbins 1976-8-14 76192 El Dorado South side of North Fork, American River, below bridge of State Highway no. 49. (Exact location unknown. Coordinates estimated by label maker. Location, elevation, and ecological information copied from duplicate CAS652248. Newspaper notes said N. Fork American at HWY 49 Aug 14 '76 and collection number.) 188 Comment
  GH427112  Eriophyllum lanatum M. E. P. Ames 1892-05-01 - 1892-06-01 Unknown Auburn Comment
  CAS-BOT-BC301413  Eriophyllum lanatum var. grandiflorum Lincoln Constance; Helen Sharsmith 1933-5-14 E 21 Placer Auburn Comment
  JEPS34640  Eriophyllum lanatum var. grandiflorum W. H. Shockley 1886-6-1 Placer Auburn Comment
  LA203611  Eriophyllum lanatum var. grandiflorum Lincoln Constance; Helen Sharsmith 1933-5-14 E 21 Placer Auburn Comment
  RSA388908  Eriophyllum lanatum var. grandiflorum H. K. Sharsmith, Lincoln Constance 1933-5-14 E 21 Placer Along side of highway, Auburn Comment
  SJSU8792  Eriophyllum lanatum var. grandiflorum F. J. Santana 1958-5-10 Placer c. 1.5 mi from Auburn by Hwy 49 381 Comment
  UC220208  Eriophyllum lanatum var. grandiflorum Katharine Brandegee 1908-7-1 Placer Auburn Comment
  UC507054  Eriophyllum lanatum var. grandiflorum Mrs. Helen Sharsmith 1933-5-14 E 21 Placer along the highway on filled-in ground Auburn Comment
  UCD132212  Eriophyllum lanatum var. grandiflorum G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10426 Placer Northern Sierra Nevada Foothills. 2.1 miles south of Auburn along CA Hwy 49. 293 Comment
  UCD132218  Eriophyllum lanatum var. grandiflorum J. M. Tucker 1958-5-27 3391 El Dorado Beside State Highway 49, 3.2 miles (by road) north of Cool. Comment
  UCR173263  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10426 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  GH338662  Eritrichium californicum A. Kellogg & W. G. W. Harford 772 Unknown Auburn Comment
  UCD103190  Erodium cicutarium Allan R. Magie 1957-3-24 109 Placer Auburn. Comment
  UCR253502  Erodium cicutarium George K. Helmkamp 2014-3-11 22539 Nevada Sierra Nevada Mountains Foothills, Auburn, southbound on CA-49 about 0.1 mile east of Lincoln Way 402 Comment
  POM83006  Eryngium castrense Marcus E. Jones 1882-7-8 3602 Placer Auburn Comment
  UC874923  Eryngium castrense Marcus E. Jones, A. M. 1882-7-8 3602 Placer Auburn Comment
  SEINET5779527 Image available Eryngium pinnatisectum Marcus E. Jones 1882-1 3602 Placer Auburn Comment
  SJSU15244  Erythranthe breweri Lars Rosengreen 2012-7-3 16 El Dorado Upper Angora Lake. Cliffs to the west above Lake. 2300 Comment
  UC3614  Erythronium multiscapideum H. N. Bolander 1865-4-11 4527 Placer shady hillsides Auburn Comment
  UC643190  Erythronium multiscapideum Elmer I. Applegate 1929-4-28 5551 El Dorado three mi s American River (between Coloma and Auburn) Comment
  SD248465  Eschscholzia caespitosa George K. Helmkamp, Elizabeth A. Helmkamp 2007-3-25 11709 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its juncton with CA-49 at the bridge of the junction of American River forks (Auburn 7.5'Q) 287 Comment
  SEINET5586229  Eschscholzia caespitosa G. K. Helmkamp, E. A. Helmkamp 2007-1 11709 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks. 287 Comment
  UCR247466  Eschscholzia caespitosa George K. Helmkamp, E. A. Helmkamp 2007-3-25 11709 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  UCR257566  Eschscholzia caespitosa George K. Helmkamp, Amy Barnes 2014-4-23 22773 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  SEINET13276770 Image available Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2009-1 14557 Placer Sierra Nevada Mountains Foothills: Forest Hill Road 0.8 mile east of its junction with CA-49 and the North and Middle Forks of the American River (Auburn 7.5' Q.) 277 Comment
  UCR207851  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2009-4-22 14557 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 0.8 mile east of its junction with CA-49 and the North and Middle Forks of the American River 277 Comment
  UC50565  Eschscholzia lobbii Mrs. Ames 1880-1 Placer Auburn Comment
  UC70403  Eschscholzia lobbii Milo S. Baker 1900-2-11 Placer Auburn Comment
  SD113526  Euphorbia crenulata Darley F. Howe 1948-5-23 1816 Placer American River 299 Comment
  SD255715  Euphorbia nutans George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20036 Placer Sierra Nevada Mountains Foothills: city ofNorth Auburn, corner of Locksley Lane and CA-49 (Auburn 7.5'Q) 384 Comment
  UCR257773  Euphorbia nutans George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20036 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  CDA40533  Euphorbia oblongata Ed King 2014-5-1 PDR# 310 P06310011 Placer Auburn State Recreation Area, Russell Road. 0 Comment
  UCD34190  Euphorbia ocellata subsp. ocellata Beecher Crampton 1977-10-2 9540 Placer 3.5 miles N. of Auburn, east of Elder's Corners on Dry Creek Road. Comment
  UCR258181  Euthamia occidentalis George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20040 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  SACT002494  Festuca megalura Josephine Van Ess 1977-4-27 Placer Collected at base of rock cliff at intersection with Aphir Road. Moist slope. Light shade. 289.0 Comment
  CAS-BOT-BC53548  Frangula californica subsp. tomentella David D. Keck 1933-5-31 2430 Placer Just south of Auburn on road to Roseville 304 Comment
  CAS-BOT-BC53549  Frangula californica subsp. tomentella David D. Keck 1933-5-31 2430 Placer Just south of Auburn on road to Roseville 304 Comment
  GH378078  Frangula californica subsp. tomentella M. E. P. Ames 1891-05-01 - 1891-06-01 Unknown Auburn Comment
  UCD160266  Galium parisiense Chuck Hughes 2014-5-28 402 Placer Between Highway 49 and Canal Street in North Auburn. 439 Comment
  UC1143091  Galium porrigens C. R. Clar and N. French 1933-6-4 126 Placer near Newcastle; Sacramento Quadrangle Comment
  GH417082  Galium tricornutum M. E. P. Ames 1891-1-1 Unknown Auburn Comment
  JEPS34002  Gamochaeta ustulata W. H. Shockley Jun 1886 Placer Auburn Comment
  UCD66547  Gastridium phleoides Beecher Crampton 1977-6-11 9499 Placer 3.5 mis. n.e. of Auburn, Dry Creek Road just east of Elder's Corners. Comment
  UCD66577  Gastridium phleoides Elizabeth Wilson 1940-5-1 Placer Auburn. Comment
  GH360017  Gastridium ventricosum M. E. P. Ames 1894-1-1 Unknown Auburn Comment
  RSA639011  Genista monspessulana Michael A. Vincent 1999-6-12 8633 Placer Above CA Rt. 49, 1.1 miles south of Lincoln Way in Auburn. Comment
  UCD105747  Genista monspessulana Michael A. Vincent 1999-6-12 8633 Placer Above CA Rt. 49, 1.1 miles south of Lincoln Way in Auburn. Comment
  UCD119668  Genista monspessulana Annabelle Kleist 2009-4-23 Asb- 36 Placer Auburn State Recreation Area, Confluence. Comment
  UCR173266  Geranium dissectum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10428 A Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCD103424  Geranium molle G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11706 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  SEINET3246026  Geranium pusillum G. K. Helmkamp, E. A. Helmkamp 2007-1 11706 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks. 287 Comment
  UCR188848  Geranium pusillum George K. Helmkamp, E. A. Helmkamp 2007-3-25 11706 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  CHSC83145  Gilia capitata Renee Shahrok 1986-6-24 16 Placer Junction of Old Foresthill Rd. and Hwy 49. 195 Comment
  SD43633  Gilia capitata Darley F. Howe 1948-5-23 1849 Placer American River 305 Comment
  UCD117710  Gilia capitata subsp. mediomontana G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10425 Placer Northern Sierra Nevada foothills 2.1 mi south of Auburn along Calif. Hwy 49. 293 Comment
  UCR173262  Gilia capitata subsp. mediomontana George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10425 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  RSA0107826  Gilia capitata subsp. pedemontana George K. Helmkamp, Amy Barnes 2014-4-23 22787 Placer Sierra Nevada Mountains Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River. 290 Comment
  SDSU3072  Gilia capitata subsp. pedemontana D. F. Howe 1948-5-23 1849 Placer American River. 305 Comment
  UCR256998  Gilia capitata subsp. pedemontana George K. Helmkamp, Amy Barnes 2014-4-23 22787 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  UCD34138  Gilia tricolor Beecher Crampton 1977-4-3 9462 Placer Placer County, 3.5 miles north of Auburn, just east of Elder's Corner on Dry Creek Road. Comment
  UC30184  Gilia tricolor subsp. diffusa H. N. Bolander 1865-4-13 4574 Placer near Auburn; near Auburn Comment
  UCD18247  Githopsis specularioides E. A. Dean 1998-5-30 457 Placer NE of town of Auburn, along SE side of Foresthill Rd. 500 Comment
  OBI16391  Grindelia camporum Robert F. Hoover 1965-6-24 9452 Placer 2 mi N of Auburn on road to Grass Valley (hwy 49) Comment
  UCD159462  Grindelia camporum D. S. Park 2010-8-11 216 Placer Hiking trail off Old Forest Hill Rd. overlooking American River. Common. Growing along mountainside. 176 Comment
  CAS-BOT-BC314601  Grindelia hirsutula R. F. Hoover 1965-6-24 9452 Placer 2 mi. N of Auburn on road to Grass Valley (Highway 49) Comment
  JEPS41903  Grindelia hirsutula W. H. Shockley Jun 1886 Placer Auburn Comment
  UC1118570  Grindelia hirsutula N. French 1933-6-6 74 Placer near Newcastle; Sacramento Quad. Comment
  GH417641  Grindelia hirsutula var. davyi M. E. P. Ames 1894-10-01 - 1894-11-01 Unknown Auburn Comment
  JEPS35433  Helenium puberulum W. H. Shockley 1886-6-1 Placer Auburn Comment
  UCD80066  Helianthella californica CNPS SN Foothill Team 2005-4-26 SNFN 0183 c Placer CDPR Auburn State Recreation Area, at the northeast end of Robie Point, about 100 meters east (downslope) of the Western States trail, just to the north and east of where it rounds the point (accessed from the trailhead at Robie Point). 259 Comment
  SD112703  Helianthella californica var. nevadensis Darley F. Howe 1948-5-23 1852 Placer American River 305 Comment
  SEINET7067119  Hemizonia pallida A. G. Vestal 1947-4-29 s.n. Placer About 3.3 miles north of Auburn on Route 49. Coordinate datum: NAD27. UTM Zone 10, 644870mE, 4312473mN. Comment
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Nov 29 2020
  HSC27261  Heteromeles arbutifolia J. P. Smith 1972-3-22 5093 Placer Bridge over N Fork of American River. Comment
  UCR218219  Heteromeles arbutifolia George K. Helmkamp, E. A. Helmkamp 2010-6-26 16418 Placer Sierra Nevada Mountains Foothills, along CA-49 in the section dropping rapidly to the American River forks; about 1/2 mile east of Auburn 355 Comment
  UCD160889  Heterotheca oregona G. Ledyard Stebbins 1976-8-14 76191 A El Dorado Along North and Middle Forks of American River, south side, just east of Highway 49 bridge. (Exact location unknown. Coordinates estimated by label maker. Location, elevation, and ecological information copied from Stebbins 76191. Collected with Stebbins 76191.) 188 Comment
  UCD150021  Heterotheca oregona var. rudis G. Ledyard Stebbins 1976-9-25 76266 El Dorado At south side of the American River, at junction of North and Middle Fork. Immediately east of State Highway 49. (Exact location unknown. Coordinates estimated by label maker.) 176 Comment
  JEPS60234  Hieracium albiflorum L. R. Heckard 1969-6-2 2287 El Dorado about 1.5 mi s bridge crossing State Highway 49 (near Auburn); North Fork American River 304 Comment
  SACT001286  Holcus lanatus Josephine Van Ess 1977-5-13 Placer Collected about .75 mile osouth of Mount Vernon Road. Wet ditch bank. 365.8 Comment
  UC1137049  Holcus lanatus August L. Hormay 1932-5-24 Placer w Auburn Comment
  UCD84895  Holcus lanatus August L. Hormay 1932-5-24 s.n. Placer West of Auburn. Comment
  SEINET11259362 Image available Hulsea californica A. Tiehm 1973-10-16 s.n. Placer Bank of North Fork of American River near union with Middle Fork 305 Comment
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May 12 2020
  JEPS66788  Hypericum anagalloides W. H. Shockley Jun 1886 Placer Auburn Comment
  UC303559  Hypericum concinnum unknown Aug. 1894 Placer Auburn Comment
  UC303558  Hypericum formosum var. scouleri unknown May 1894 Placer Auburn Comment
  SD51286  Hypericum mutilum Darley F. Howe 1961-8-8 3136 Placer 4.0 miles north of Auburn. 456 Comment
  POM178043  Hypericum perforatum Marcus E. Jones 1930-7-11 25286 Placer Auburn Comment
  SD50718  Hypericum perforatum Darley F. Howe 1959-8-1 2771 Placer 2.0 miles north of Auburn. 456 Comment
  UCR257567  Hypochaeris glabra George K. Helmkamp, Amy Barnes 2014-4-23 22772 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  UC186610  Iris hartwegii C. F. Sonne 1891-4-5 Placer Auburn Comment
  UCR257151  Iris hartwegii subsp. hartwegii George K. Helmkamp, Amy Barnes 2014-4-23 22789 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  CHSC24735  Iris macrosiphon T. C. English 1976-4-11 13 Placer N. Fork American River, 2 mi. w. Hwy. 49 bridge, 400 yds. N. abandoned R.R. in S. facing rockpile. 335 Comment
  UCD80365  Iris macrosiphon CNPS SN Foothill Team 2005-4-26 SNFN 0182 a Placer CDPR Auburn State Recreation Area, about a half kilometer north of Robie Point. 272 Comment
  UCD38324  Isatis tinctoria Beecher Crampton 1954-5-11 1900 Placer 3 miles north of Auburn. Comment
  CAS-BOT-BC324811  Iva axillaris J. C. Henderson; R. L. Reeves 1970-10-21 s.n. Placer Fairgrounds, Auburn, Sierra Nevada 365 Comment
  CAS-BOT-BC235569  Keckiella breviflora Francis W. Pennell 1940-6-2 25659 Placer Route 49 north of American River, east of Auburn 274 Comment
  UC1012169  Keckiella breviflora Francis W. Pennell 1940-6-2 25659 Placer e of Auburn (Route 49, n of American River) 274 Comment
  NY786806  Keckiella breviflora var. breviflora F. W. Pennell 1940-6-2 25659 Placer Route 49. North of American River, east of Auburn. 274.3 Comment
  UC1714559  Kickxia elatine E. O. Amundsen 1920-10-6 Placer Auburn Comment
  UCR258166  Kickxia elatine George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20042 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  GH360101  Koeleria cristata M. E. P. Ames 1894-1-1 Unknown Auburn Comment
  UCD80707  Kumlienia hystricula CNPS SN Foothill Team 2005-3-12 Survey Placer Auburn State Recreation Area, collected on Yankee Jim's Road. Comment
  CAS-BOT-BC341357  Lagophylla glandulosa David D. Keck 1932-7-1 1589 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  CAS-BOT-BC341358  Lagophylla glandulosa David D. Keck 1932-7-1 1589 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  CAS-BOT-BC341359  Lagophylla glandulosa David D. Keck 1932-7-1 1589 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  GH9565  Lagophylla glandulosa G. R. Vasey 1880-10-01 - 1880-11-01 Unknown Auburn Comment
  UC89190  Lagophylla glandulosa Mrs. M. E. P. Ames 1886-1-1 Placer Auburn Comment
  CAS-BOT-BC341561  Lagophylla ramosissima Mrs. Mary E. P. Ames 1894-8-1 s.n. Placer Auburn Comment
  JEPS12637  Lagophylla ramosissima W. H. Shockley 1886-6-20 Placer Auburn Comment
  UCD125092  Lamium amplexicaule Allan R. Magie 1957-3-24 112 Placer Auburn. Comment
  A347602  Larrea tridentata C. C. Epling, L. C. Ellison & H. W. Anderson 1930-4-17 Unknown Ophir Mine Comment
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May 31 2019
  POM361518  Lasthenia californica Ames s.n. Placer Auburn. Comment
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Mar 15 2014
  UC30449  Lasthenia californica H. N. Bolander 1865-4-11 4545 Placer Auburn Comment
  UCD106345  Lathyrus latifolius E. O. Amundsen 1920-6-15 s.n. Placer E. Auburn. Comment
  CAS-BOT-BC213270  Lathyrus sulphureus Mrs. Mary E. P. Ames 1892-5-1 s.n. Placer Auburn Comment
  UC212331  Lathyrus sulphureus unknown May 1892 Placer Auburn Comment
  UC192639  Lathyrus sulphureus var. argillaceus Mrs. Ames Placer Auburn Comment
  UC30610  Layia fremontii H. N. Bolander 1865-4-11 4548 Placer near Auburn Comment
  UC30611  Layia fremontii H. N. Bolander 1865-4-11 4548 Placer Auburn Comment
  UC177013  Layia pentachaeta subsp. pentachaeta Katharine Brandegee Placer Auburn Comment
  UCR257023  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Amy Barnes 2014-4-23 22783 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  UC212640  Lepidium nitidum Mary E. P. Ames Apr 1894 Placer Auburn Comment
  POM186825  Leptosiphon liniflorus D. D. Keck 1932-7-1 1593 Placer 2 miles N. of Auburn on Nevada City Road. 427 Comment
  CAS-BOT-BC339595  Lessingia leptoclada Annetta Carter 1939-9-30 1483 El Dorado Canyon of the Middle Fork of the American River, 2.4 miles north of Cool on road to Auburn 396 Comment
  SBBG28038  Lessingia leptoclada A. Carter 1939-9-30 1483 El Dorado cyn of the Middle Fork of the American River, 2.4 mi N of Cool on rd to Auburn 396 Comment
  UC1287469  Lessingia leptoclada Willard Spence 1962-7-25 733 El Dorado Rt. 49 3 mi e Auburn (on road to Placerville) Comment
  UC1287475  Lessingia leptoclada Willard Spence 1962-7-25 735 El Dorado Rt. 49 3 mi e Auburn (on road to Placerville) Comment
  UC629773  Lessingia leptoclada Annetta Carter 1939-9-30 1483 El Dorado 2.4 mi n Cool (on road to Auburn); Canyon of the Middle Fork of the American River 396 Comment
  CAS-BOT-BC341770  Lessingia nemaclada B. C. Cain 1925-8-15 14 Placer 2 mi. south of Auburn at Wise Power House Comment
  GH403549  Lessingia virgata Mrs. P. Ames 14 Unknown Auburn Comment
  GH403576  Lessingia virgata G. R. Vasey 1880-1-1 699 Unknown Auburn Comment
  UCD134131  Leucanthemum vulgare R. N. Raynor 1941-7-24 s.n. Placer near Auburn. Comment
  JEPS19575  Limnanthes alba Wm. H. Shockley 1879-1 Placer Auburn Comment
  UC30173  Linanthus bicolor H. N. Bolander 1865-1 4568 Placer Auburn Comment
  UC30153  Linanthus dichotomus H. N. Bolander 1865-4-10 4519 Placer Auburn Comment
  UC30146  Linanthus filipes H. N. Bolander 1865-1 4567 Placer Auburn Comment
  UCR173268  Linum bienne George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10431 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  GH363800  Lithophragma bolanderi M. E. P. Ames 1890-4-20 Unknown Auburn Comment
  UCD80760  Lithophragma bolanderi CNPS SN Foothill Team 2005-5-2 SNFN 0186 El Dorado CDPR, Auburn State Recreation Area, south of the Auburn-Cool Trail, in the Knickerbockers Canyon, just south and east of where the Olmstead Loop Trail crosses the creek. 405 Comment
  UC11869  Lithophragma parviflorum var. trifoliatum H. N. Bolander 1865-4-11 4525 Placer Auburn Comment
  GH363877  Lithophragma trifoliatum H. N. Bolander 1865-1-1 4525 Unknown Auburn Comment
  UC1132191  Lolium multiflorum N. French 1933-6-5 69 Placer Middle Fork American River; Sacramento Quad., Middle Fork American River Comment
  UC1137048  Lolium multiflorum August L. Hormay 1932-5-24 Placer w Auburn; w of Auburn Comment
  UCD66196  Lolium multiflorum Al Franklin 1987-5-1 87 -05 Placer 1.6 mis. east of I-80 on Foresthill Road, just outside of Auburn. 426 Comment
  UCD66198  Lolium multiflorum August L. Hormay 1932-5-24 Placer West of Auburn. Comment
  UCD66657  Lolium temulentum August L. Hormay 1932-5-24 Placer West of Auburn. Comment
  UCSB32284  Lomatium bicolor Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  UCSB32282  Lomatium caruifolium Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  UCSB32283  Lomatium howellii Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  CHSC24728  Lomatium utriculatum T. C. English 1976-4-11 21 Placer At foot of cliff 2 mi w of Hwy 49 bridge on n fork of the American River, n side of abandoned R.R. 335 Comment
  UCD150860  Lomatium utriculatum Beecher Crampton 1977-4-3 9466 Placer 3.5 miles north of Auburn, just east of Elder's Corner, Dry Creek Road. Comment
  UCSB32286  Lomatium utriculatum Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  GH422912  Lonicera interrupta M. E. P. Ames 1892-05-01 - 1892-06-01 Unknown Auburn Comment
  JEPS12810  Lonicera interrupta Katharine Brandegee c.1911 Placer Auburn Comment
  JEPS83670  Lotus humistratus W. H. Shockley Jun 1886 Placer Auburn Comment
  UCR188846  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2007-3-25 11711 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  UCR207849  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14559 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 0.8 mile east of its junction with CA-49 and the North and Middle Forks of the American River 277 Comment
  UCR257074  Lotus humistratus George K. Helmkamp, Amy Barnes 2014-4-23 22775 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  UC212478  Lotus micranthus Mary E. P. Ames Apr 1895 Placer Auburn Comment
  JEPS55783  Lotus purshianus var. purshianus W. H. Shockley Jun 1886 Placer Auburn Comment
  CAS-BOT-BC175722  Lotus scoparius var. scoparius G. K. Helmkamp; E. A. Helmkamp 2007-5-18 12036 Placer Northern Sierra Nevada Mountains Foothills: along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  UCR194943  Lotus scoparius var. scoparius George K. Helmkamp, E. A. Helmkamp 2007-5-18 12036 Placer Northern Sierra Nevada Mountains Foothills, along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  CAS-BOT-BC198368  Lupinus albifrons G. Earnhart 1961-3-18 9 Placer 2 1/2 miles east of Auburn, north fork of American River 396 Comment
  CAS-BOT-BC198382  Lupinus albifrons Larry Malone 1961-3-18 s.n. El Dorado 2 1/2 miles west of Auburn, North Fork of American River 396 Comment
  JEPS64905  Lupinus albifrons R. E. Arp 1932-4-17 2 Placer Region of Auburn 609 Comment
  CAS-BOT-BC201562  Lupinus albifrons var. albifrons Ames 1884-5-1 s.n. Placer Auburn Comment
  UCR173267  Lupinus albifrons var. collinus George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10429 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCR207853  Lupinus albifrons var. collinus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14556 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 0.8 mile east of its junction with CA-49 and the North and Middle Forks of the American River 277 Comment
  SD241011  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2012-3-31 18668 Placer Northern Sierra Nevada Mountains Foothills: Old Foresthill Road, 0.7 mile northeast of its junction with CA-49 and the American River Crossing. 257 Comment
  UCR176280  Lupinus benthamii George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10433 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCR194944  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2007-5-18 12040 Placer Northern Sierra Nevada Mountains Foothills, along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  UCR207852  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2009-4-22 14556 A Placer Sierra Nevada Mountains Foothills, Forest Hill Road 0.8 mile east of its junction with CA-49 and the North and Middle Forks of the American River 277 Comment
  UCR238597  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2012-3-31 18668 Placer Northern Sierra Nevada Mountains Foothills, Old Foresthill Road, 0.7 mile northeast of its junction with CA-49 and the American River Crossing 258 Comment
  UCR257565  Lupinus benthamii George K. Helmkamp, Amy Barnes 2014-4-23 22774 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  SD43600  Lupinus bicolor Darley F. Howe 1948-5-22 Placer Placer County 609 Comment
  UCD107243  Lupinus bicolor G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11705 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  UCD164623  Lupinus bicolor Brandi Sorensen 1995-5-12 14 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  UCR188850  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2007-3-25 11705 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  UCR257019  Lupinus bicolor George K. Helmkamp, Amy Barnes 2014-4-23 22778 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  RSA43817  Lupinus bicolor subsp. microphyllus D. F. Howe 1948-5-22 s.n. Placer [Unspecified] 610 Comment
  UC942753  Lupinus latifolius var. columbianus Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4020 Placer near bridge on Rt 49 s Auburn (North Fork American River); North Fork American River 213 Comment
  CHSC28599  Lupinus microcarpus var. densiflorus M. S. Taylor; J. T. Howell 1975-5-10 575 Placer Ca. 2 mi s of Auburn on Hwy 49, at bridge over American River, ca. 40 ft e of the bridge on n side of road. 213 Comment
  RSA0055953  Lupinus microcarpus var. densiflorus George K. Helmkamp, Amy Barnes 2014-4-23 22771 Placer Sierra Nevada Mountain Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River. 290 Comment
  SEINET11261466  Lupinus microcarpus var. densiflorus George Helmkamp, Amy Barnes 2014-4-23 22771 Placer Sierra Nevada Mountain Foothills on Old Forest Hill Road, 0.4 miles NE of the junction with CA-49 at North Fork American River.; 0 290 Comment
  UCR256515  Lupinus microcarpus var. densiflorus George K. Helmkamp, Amy Barnes 2014-4-23 22771 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  UCR188841  Lupinus polyphyllus subsp. polyphyllus George K. Helmkamp, E. A. Helmkamp 2007-3-25 11708 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  UCD109382  Lupinus polyphyllus var. polyphyllus G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11708 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  UC112863  Madia elegans Katharine Brandegee 1908-5-6 Placer near Auburn Comment
  UCD80091  Madia elegans CNPS SN Foothill Team 2005-4-28 SNFN 0184 c El Dorado CDPR, Auburn State Recreation Area, north of the Auburn-Cool trail, about a mile W of Highway 49. 443 Comment
  CAS-BOT-BC344462  Madia exigua David D. Keck 1933-5-31 2427 Placer Just south of Auburn, on road to Roseville 305 Comment
  CAS-BOT-BC344463  Madia exigua David D. Keck 1933-5-31 2427 Placer Just south of Auburn, on road to Roseville 305 Comment
  JEPS30105  Madia exigua W. H. Shockley June 1886 Placer Auburn Comment
  POM216212  Madia exigua D. D. Keck 1933-5-31 2427 Placer Just south of Auburn on road to Roseville. 305 Comment
  CAS-BOT-BC343241  Madia gracilis David D. Keck 1933-5-31 2428 Placer Just south of Auburn, on road to Roseville 305 Comment
  CAS-BOT-BC343242  Madia gracilis David D. Keck 1933-5-31 2428 Placer Just south of Auburn, on road to Roseville 305 Comment
  UCD134328  Madia gracilis J. M. Tucker 1958-5-27 3392 El Dorado Beside State Highway 49, 3.2 miles (by road) north of Cool. Comment
  UCR173270  Madia gracilis George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10434 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCD18246  Madia subspicata E. A. Dean 1998-5-30 458 Placer NE of town of Auburn, along SE side of Foresthill Rd. 500 Comment
  A376820  Mahonia dictyota E. P. Hawver 1913-3-28 Unknown Auburn Comment
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Nov 6 2013
  GH376821  Mahonia dictyota E. P. Hawver 1913-3-28 Unknown Auburn Comment
  CHSC21398  Malva nicaeensis M. S. Taylor 1975-5-10 572 .5 Placer Ca. 2 mi s of Auburn on Hwy 49, at bridge over American River. 213 Comment
  POM68334  Marah watsonii Mary E. P. Ames 1891-04 s.n. Placer Auburn [Bottom of printed label:Taylorsville, Indian Valley, Plumas Co.] Comment
  UC28955  Marah watsonii Bolander 4533 Placer Auburn Comment
  UC50154  Meconella californica H. N. Bolander 1865-4-10 4524 Placer Auburn Comment
  JEPS65513  Medicago polymorpha W. H. Shockley June 1886 Placer Auburn Comment
  RSA0115436  Medicago polymorpha George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22532 Placer Sierra Nevada Mountains Foothills: North Auburn, corner of Bell Road and Olympic Way, 0.7 mi. west of CA-49. 433 Comment
  SD255747  Medicago polymorpha George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22532 Placer Sierra Nevada Mountains Foothills; North Auburn, corner of Bell Road and Olympic Way, 0.7 mile west of CA 49. 433 Comment
  SEINET2441672  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2009-4-22 14558 Placer Sierra Nevada Mountains Foothills: Forest Hill Road 0.8 mile east of its junction with CA-49 and the North and Middle Forks of the American River (Auburn 7.5' Q.). 277 Comment
  UCR207850  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2009-4-22 14558 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 0.8 mile east of its junction with CA-49 and the North and Middle Forks of the American River 277 Comment
  UCR257592  Medicago polymorpha George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22532 Placer Sierra Nevada Mountains Foothills, North Auburn, corner of Bell Road and Olympic Way, 0.7 mi. west of CA-49 433 Comment
  UCR258165  Medicago polymorpha George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20041 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  CAS-BOT-BC269355  Melica californica Peter H. Raven 1953-5-10 5489 Placer Road to Placerville 1.7 miles from Auburn, in canyon of American River Comment
  SACT001494  Melica californica Michael Baad 1983-5-5 Placer Junction with Shirttail Canyon Road. 1 mile south of the North Fork of the American River. 548.64 Comment
  UCD86437  Melica californica Beecher Crampton 1955-6-15 2867 Placer 0.5 mile south of U. S. Hwy. 40 on the Forest Hill Road. Comment
  SACT001496  Melica californica var. nevadensis Michael Baad 1983-5-5 Placer 3 miles southeast on Yankee Jim Road from Canyon Way Road, descending to North Fork of American River. 548.64 Comment
  UCD87321  Melica geyeri Beecher Crampton 1955-6-15 2857 Placer Forest Hill Road, 0.5 miles south US Hwy. 40.. Comment
  SACT001537  Melica torreyana Michael Baad 1983-5-5 Placer 3 miles southeast on Yankee Jim Road form Canyon Way Road descending to North Fork of the American River 548.64 Comment
  SACT001550  Melica torreyana Josephine Van Ess 1979-6-5 Placer on bypass; lightly shaded bank 198.2 Comment
  UCD80570  Melica torreyana CNPS SN Foothill Team 2005-4-25 SNFN 0181 El Dorado CDPR Auburn State Recreation Area, west of the northeastern portion of the Olmsted Loop Trail. 377 Comment
  UCR258208  Mentha arvensis George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20048 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  GH400467  Mentha pulegium M. E. P. Ames 1894-1-1 8 Unknown Auburn Comment
  CAS-BOT-BC348386  Micropus californicus var. californicus David D. Keck 1933-5-31 2429 Placer Just south of Auburn on road to Roseville 305 Comment
  CAS-BOT-BC348387  Micropus californicus var. californicus David D. Keck 1933-5-31 2429 Placer Just south of Auburn on road to Roseville 305 Comment
  UC88376  Micropus californicus var. californicus T. S. Brandegee June 1883 Placer Auburn Comment
  SEINET7067127  Microseris acuminata A. G. Vestal 1947-4-29 s.n. Placer Serpentine about 3.8 miles north of Auburn and 0.2 miles south of Elders Corner on Route 49. Coordinate datum: NAD27. UTM Zone 10, 664672mE, 4313245mN. Comment
  JEPS10520  Mimulus angustatus M. E. P. Ames 1880-1 Placer Auburn Comment
  UC194074  Mimulus angustatus Mrs. M. E. P. Ames 1882-1-1 Placer Auburn Comment
  UC1272391  Mimulus congdonii Mrs. M. E. P. Ames 1896-1 Placer Auburn Comment
  UC193598  Mimulus douglasii Mrs. M. E. P. Ames 1885-1 6202 Placer Auburn Comment
  UCD164616  Mimulus guttatus Brandi Sorensen 1995-5-12 13 Placer 3.5 kilometers northwest of Auburn. 2.4 kilometers west of Interstate 80. Comment
  UC27118  Mimulus kelloggii H. N. Bolander 1865-4-10 4521 Placer Auburn Comment
  UC193603  Mimulus layneae J. W. Congdon 1894-4-3 Placer Auburn Comment
  UC1063155  Mimulus microphyllus C. R. Clar 1933-6-4 129 Placer near Newcastle; Sacramento Quadrangle Comment
  GH274918  Minuartia californica H. N. Bolander 1865-1-1 4543 Unknown Auburn Comment
  JEPS51427  Minuartia californica W. H. Shockley 1880-1 Placer Auburn Comment
  UC485725  Minuartia californica Milo S. Baker 1900-2-11 Placer near Auburn Comment
  UC8089  Minuartia californica H. N. Bolander 1865-4-11 4543 Placer near Auburn Comment
  GH420664  Modiola caroliniana M. E. P. Ames 1887-1-1 Unknown Auburn Comment
  GH385259  Navarretia cotulifolia Mary E. Pulsifer 1894-05-01 - 1894-06-01 Unknown Auburn Comment
  SD61093  Navarretia filicaulis Darley F. Howe 1964-7-26 3870 Placer Auburn 366 Comment
  JEPS70343  Navarretia intertexta W. H. Shockley 1886-6-1 Placer Auburn Comment
  UCR146870  Navarretia jepsonii Beecher Crampton 1977-7-2 9511 Placer Sierra Nevada Foothills, 3.5 miles northeast of Auburn, east of Elder's Corner on Dry Creek Road 412 Comment
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Sep 20 2018
  JEPS70437  Navarretia pubescens W. H. Shockley Jun 1886 Placer Auburn Comment
  UCD34170  Navarretia pubescens Beecher Crampton 1977-7-2 9511 Placer Placer County, 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek road. Comment
  UCD34184  Navarretia pubescens Beecher Crampton 1977-9-18 9530 Placer Placer County, 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek road. Comment
  UC1124149  Navarretia tagetina C. R. Clar 1933-6-5 130 Placer sw Auburn Placer National Forest, Sacramento Quad., Auburn 243 Comment
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Jun 11 2013
  UC133773  Navarretia viscidula Katharine Brandegee May 1908 Placer near Auburn Comment
  CHSC24707  Nemophila heterophylla T. C. English 1976-4-18 34 Placer N side of abandoned R. R., n fork of the American River, 2 1/4 mi w of Hwy 49 bridge. 335 Comment
  JEPS3963  Nemophila heterophylla W. L. Jepson 1938-4-5 18585 El Dorado 3 mi e Auburn (near North Fork American River bridge); , Auburn Comment
  SD43636  Nemophila heterophylla Darley F. Howe 1948-5-22 1855 Placer Placer Co. 609 Comment
  SDSU6142  Nemophila heterophylla D. F. Howe 1948-5-22 1855 Placer 610 Comment
  SEINET7067118  Nemophila maculata A. G. Vestal 1947-4-29 s.n. Placer About 3.3 miles north of Auburn on Route 49. Coordinate datum: NAD27. Comment
  JEPS1482  Nemophila menziesii W. H. Shockley 1879-1 Placer Auburn Comment
  UCD126683  Nicotiana acuminata var. multiflora H. E. Catlin 1940-9-19 s.n. Placer Auburn. Comment
  JEPS62087  Odontostomum hartwegii Mrs. M. E. Pulsifer Ames 1879-1 Placer Auburn Comment
  SEINET7067124  Odontostomum hartwegii A. G. Vestal 1947-4-29 s.n. Placer Serpentine about 3.8 miles north of Auburn and 0.2 miles south of Elders Corner on Route 49. Coordinate datum: NAD27. UTM Zone 10, 664672mE, 4313245mN. Comment
  UC1714520  Odontostomum hartwegii Mary E. P. Ames April, 1891 Placer Auburn Comment
  UC4148  Odontostomum hartwegii C. F. Sonne 1891-5-17 14 Placer Auburn Sierra Nevada Mts., Auburn Comment
  UC1122248  Oenothera elata subsp. hirsutissima N. French, R. Clar 1933-6-20 80 Placer Mount Vernon Roadside Sacramento Quadrangle Comment
  POM216214  Orthocarpus linearilobus D. D. Keck 1933-5-31 2426 Placer Just south of Auburn on road to Roseville. 305 Comment
  UCD37739  Paspalum dilatatum Beecher Crampton 1961-9-27 5996 Placer Placer County, 1 mile west of Auburn, along U.S. Highway 40. Comment
  UCD88726  Paspalum dilatatum Beecher Crampton 1961-9-27 5996 Placer 1 mile west of Auburn, along U.S. Highway 40. Comment
  UCD88755  Paspalum dilatatum Collector Unknown 1939-6-23 s.n. Placer Catlin, Auburn. Comment
  UCR258215  Paspalum dilatatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20056 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  CAS-BOT-BC258772  Paspalum urvillei David D. Keck 1932-7-1 1595 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  CAS-BOT-BC258773  Paspalum urvillei David D. Keck 1932-7-1 1595 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  CAS-BOT-BC258774  Paspalum urvillei David D. Keck 1932-7-1 1595 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  CHSC24729  Pellaea mucronata var. californica T. C. English 1976-4-11 14 Placer N. Fork American River. 2 mi. W. Hwy 49 Bridge, 400 yds. N. abandoned R. R. 335 Comment
  CAS-BOT-BC258795  Pennisetum clandestinum R. L. Reeves 1972-10-20 s.n. Placer Grounds of Dewitt State Hospital, 3 miles north of Auburn Comment
  NY571120  Penstemon azureus var. angustissimus F. W. Pennell 1940-6-2 25662 Placer Route 49, north of American River, east of Auburn 335.3 Comment
  UC1012168  Penstemon azureus var. angustissimus Francis W. Pennell 1940-6-2 25662 Placer e Auburn (n of American River, Route 49); n of American River, e of Auburn 335 Comment
  JEPS7572  Penstemon heterophyllus var. purdyi W. H. Shockley Jun 1886 15 Placer Auburn Comment
  UC1063185  Penstemon heterophyllus var. purdyi C. R. Clar 1933-5-18 122 Placer n edge Auburn Sacramento Quad., n edge Auburn Comment
  UC193799  Penstemon heterophyllus var. purdyi C. F. Sonne May 1891 Placer Auburn Comment
  UC35612  Pentachaeta exilis H. N. Bolander 1865-4-11 4540 Placer Auburn Comment
  CHSC24719  Pentagramma pallida T. C. English 1976-4-11 17 Placer Ca 400 yd nw of abondoned R.R., n fork of the American River, 2 mi w of Hwy 49 bridge. 335 Comment
  UCSB32267  Perideridia bolanderi Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  UCD150005  Persicaria hydropiper G. Ledyard Stebbins 1976-9-25 76263 El Dorado At south side of American River, at junction of North and Middle Fork, immediately east of State Highway 49. (Exact location unknown. Coordinates estimated by label maker.) 176 Comment
  CAS-BOT-BC419304  Persicaria punctata Brighton C. Cain 1925-8-15 9 Placer 2 miles south of Auburn at Wise Power House Comment
  UCD80671  Persicaria punctata CNPS SN Foothill Team 2006-6-28 SNNR 0919 Placer CDPR, Folsom State Recreation Area, near the confluence of a small intermittent creek and the American River. 140 Comment
  UCD88773  Phalaris canariensis Collector Unknown 1925-5-29 2099 Placer Auburn. Comment
  UC420414  Philadelphus lewisii W. W. Mackie 1904-4 Placer near Auburn; American River Comment
  UC23966  Phlox gracilis State Survey 1890-1 4508 Placer near Auburn Comment
  UC30191  Phlox gracilis H. N. Bolander 1865-1 4508 Placer near Auburn Comment
  UC205373  Phyla caespitosa Mary E. Pulsifer Ames May 1894 Nevada East Placer St. Auburn Comment
  SACT001768  Phyllostachys aurea Josephine Van Ess 1976-9-22 Placer Collected in vicinity of 2120 Bald Hill Road. Growing in wet roadside. 365.8 Comment
  UCR258219  Picris echioides George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20052 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  A357207  Pinus radiata H. W. Harkness 1887-04-01 - 1887-05-01 Unknown Auburn, Auburn, Cal. 762 Comment
  A357212  Pinus sabiniana H. W. Harkness 1887-04-01 - 1887-05-01 Unknown Auburn, Auburn, Cal. Comment
  GH357211  Pinus sabiniana Mary E. Pulsifer 1895-03-01 - 1895-04-01 Unknown Auburn, Auburn, Cal. Comment
  GH357233  Pinus sabiniana H. N. Bolander 1865-4-14 Unknown Auburn, Auburn, Sierras Comment
  HSC1542  Pinus sabiniana R. A. Magie 1964-6-13 107 Placer Flood Rd. 2 mi. NE of Auburn on Hwy. 40, Bulk Collection # 38 366 Comment
  SD112167  Pinus sabiniana Darley F. Howe 1948-5-22 1819 Placer 669 Comment
  SEINET3875087  Pinus sabiniana James K. Detling 1963-4-10 48 Placer 1 mile from Auburn on Highway 49.; 0 381 Comment
  UC338318  Pinus sabiniana unknown Placer Auburn Aubutn Comment
  UCD73909  Plagiobothrys nothofulvus Rebecca Epanchin-Niell 2000-4-27 45 Placer SW of Auburn District Regional Park, N of Bell Road, Auburn, CA. Comment
  UCD34137  Plantago erecta Beecher Crampton 1977-4-3 9461 Placer 3.5 miles north of Auburn, just east of Elder's Corner on Dry Creek Road. Comment
  CHSC81532  Plantago lanceolata D. Tellefson 2000-4-23 Placer Shockley Woods, Shockley Rd, Auburn. 400 Comment
  JEPS22923  Plantago lanceolata S. Galen Smith 1959-7-22 3152 Placer above Greyhound Station; Auburn Comment
  UCD124575  Plantago lanceolata Amelie Blyth 1952-5-11 9- 1 Placer Near junction of north fork and middle fork of American River, near Auburn. Comment
  UCR258216  Plantago major George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20055 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  HSC67843  Plectritis ciliosa J. P. Smith 1972-3-22 5091 Placer Bridge over N Fork of American River. Comment
  UCR257072  Plectritis ciliosa subsp. insignis George K. Helmkamp, Amy Barnes 2014-4-23 22784 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  SD43650  Plectritis macrocera Darley F. Howe 1948-5-23 1905 Placer American River 305 Comment
  SDSU11330  Plectritis macrocera D. F. Howe 1948-5-23 1905 Placer American River 305 Comment
  UC1137074  Poa August L. Hormay 1933-5-24 Placer foothills w of Auburn Comment
  SEINET7745193  Poa compressa A. Tiehm, H. Mozingo, M. J. Williams, E. McPherson 1975-1 625 El Dorado Middle Fork American River 305 Comment
  SACT001973  Poa scabrella Michael Baad 1983-5-5 Placer 3 miles southeast of Canyon Way Road descending to North Fork of the American River. 548.64 Comment
  SACT001974  Poa scabrella Michael Baad 1983-5-5 Placer 3 miles southeast of Canyon Way Road descending to North Fork of the American River. 548.64 Comment
  SACT001978  Poa scabrella Michael Baad 1983-5-5 Placer North Fork of American River, south side of river. 548.64 Comment
  SACT001982  Poa scabrella Michael Baad 1983-5-5 Placer .5 mile southeast of Canyon Way Road, descending to North Fork of American River 548.64 Comment
  SACT001983  Poa scabrella Michael Baad 1983-5-5 Placer .5 mile southeast of Canyon Way Road, descending to North Fork of American River 548.64 Comment
  SACT001984  Poa scabrella Michael Baad 1983-5-5 Placer 1.5 mile southeast of Yankee Jim Road from Junction with Canyon Way Road, south of Colfax 548.64 Comment
  GH360887  Poa secunda M. E. P. Ames 1894-1-1 Unknown Auburn Comment
  CAS-BOT-BC242950  Poa secunda subsp. secunda Peter H. Raven; G. L. Stebbins 1952-4-20 4006 Placer N Fork American River S of Auburn near bridge on Route 49 213 Comment
  JEPS78320  Pogogyne serpylloides W. H. Shockley Placer Auburn Comment
  CAS-BOT-BC170304  Polygala cornuta var. cornuta B. C. Cain 1925-8-15 16 Placer 2 mi. south of Auburn at Wise Power House Comment
  UCR258207  Polygonum punctatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20049 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  UC1039796  Proboscidea lutea L. S. Smith 1928-10-15 Placer Auburn Comment
  UCR253620  Prunus dulcis George K. Helmkamp 2014-3-11 22536 Nevada Sierra Nevada Mountains Foothills, Auburn, southbound on CA-49 about 0.1 mile east of Lincoln Way 402 Comment
  UC50080  Pseudobahia heermannii H. N. Bolander 1865-4-10 4518 Placer hillside near Auburn Comment
  UCD80063  Pseudognaphalium californicum CNPS SN Foothill Team 2005-5-3 SNFN 0188 El Dorado CDPR Auburn State Recreation Area, north of the Auburn-Cool road, just west of the Olmstead loop trail, about a quarter of a mile after it goes north from the ACT. 435 Comment
  JEPS34003  Pseudognaphalium stramineum W. H. Shockley Jun 1886 Placer Auburn Comment
  SACT002063  Pseudosasa japonica Josephine Van Ess 1976-9-22 Placer Collected in vicinity of 2120 Bald Hill Road. Wet Roadside ditch. 365.8 Comment
  GH354304  Pseudotsuga menziesii D. H. Goldman 2004-12-25 3011 Unknown N. side of Rts. 49/193, above the Middle Fork of the American River & the Placer County line. 359 Comment
  GH355357  Pseudotsuga menziesii D. H. Goldman 2004-12-25 3011 Unknown N. side of Rts. 49/193, above the Middle Fork of the American River & the Placer County line. 359 Comment
  UC177450  Psilocarphus brevissimus var. brevissimus unknown Jun 1884 Placer Auburn Comment
  UC192995  Ptelea crenulata C. F. Sonne 1891-5-17 Placer Auburn Comment
  GH400868  Pycnanthemum californicum G. R. Vasey 1880-1-1 Unknown Auburn Comment
  SACT002681  Quercus Josephine Van Ess 1979-6-26 Placer Collected down river horse trail from Auburn dam site down to river. Collected about where trail begins to head down from top of river bluffs. Among other oaks, some open grassy areas. Comment
  JEPS89059  Quercus X chasei Dr. J. C. Hawver 1909-3-5 Placer Auburn, ne corner of town Auburn Comment
  A343370  Quercus X morehus G. Engelmann & C. S. Sargent 1880-10-10 Unknown Auburn Comment
  A343371  Quercus X morehus G. Engelmann & C. S. Sargent 1880-10-10 Unknown Auburn Comment
  A343373  Quercus X morehus M. E. P. Ames 1894-02-01 - 1894-03-01 Unknown Auburn Comment
  GH343381  Quercus X morehus M. E. P. Ames 1895-02-01 - 1895-03-01 Unknown Auburn Comment
  UCSC009131  Quercus X morehus Al Keuter 2015-3-31 10- 33 -1 Placer North Fork American River/SR193 221 Comment
  SACT002615  Quercus chrysolepis Josephine Van Ess 1976-9-29 Placer Collected a short way upstream from old Foresthill Bridge. Rocky steep streambank. Comment
  SACT002616  Quercus chrysolepis Josephine Van Ess 1977-5-13 Placer 365.8 Comment
  SBBG25329  Quercus chrysolepis R. A. Christison 1960-5-8 64 Placer jct of St Hwy 49 and Forest Hill turnoff 91 Comment
  SACT002127  Quercus douglasii Josephine Van Ess 1976-9-8 Placer Near Juergenson Ranch 335.4 Comment
  UCSC009267  Quercus kelloggii Al Keuter 2015-3-31 10- 06 -2 Placer North Fork American River/SR193 203 Comment
  UCSC009994  Quercus kelloggii Al Keuter 2014-6-15 AK 00 -100 Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  UCSC009999  Quercus kelloggii Al Keuter 2014-6-15 00 101 B Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  UCSC010009  Quercus kelloggii Al Keuter 2014-6-15 00 101 A Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  UCSC010012  Quercus kelloggii Al Keuter 2014-6-15 00 101 D Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  UCSC010013  Quercus kelloggii Al Keuter 2014-6-15 00 101 C Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  A343588  Quercus wislizeni H. N. Bolander 1861-4-10 Unknown Auburn Comment
  A343694  Quercus wislizeni M. E. P. Ames 1894-1-1 Unknown Auburn Comment
  GH343673  Quercus wislizeni M. E. P. Ames 1878-03-01 - 1878-04-01 Unknown Auburn Comment
  HSC27258  Quercus wislizeni J. P. Smith 1972-3-22 5090 Placer Bridge over N Fork of American River. Comment
  RSA0127039  Quercus wislizeni Tom Scott, Gary Nakamura 2009-02 2009 -015 Placer Sierra Nevada Mtns. Foothills: Auburn, Hwy 49 at Auburn Bridge on American River, slopes on north side of canyon above highway. 198 Comment
  SD262290  Quercus wislizeni Tom Scott, Gary Nakamura Feb 2009 2009 14 Placer Sierra Nevada Mtns. Foothills: Auburn, Hwy 49 at Auburn Bridge on American River; slopes on north side of canyon above highway. 198 Comment
  UC405494  Quercus wislizeni Francis Ramaley 1917-4-24 11144 Placer Auburn Comment
  UCR280609  Quercus wislizeni Tom Scott, Gary Nakamura 2009-1 2009- 017 Placer Sierra Nevada Mtns. Foothills, Auburn, Hwy 49 at Auburn Bridge on American River, slopes on north side of canyon above highway 198 Comment
  SEINET3246067  Quercus wislizeni var. wislizeni G. K. Helmkamp, E. A. Helmkamp 2007-1 11710 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks. 287 Comment
  UCD64109  Quercus wislizeni var. wislizeni G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11710 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  UCR188847  Quercus wislizeni var. wislizeni George K. Helmkamp, E. A. Helmkamp 2007-3-25 11710 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  UCSB32122  Quercus wislizeni var. wislizeni Pulsifer Ames, Mary; Bingham, R. Placer Auburn Comment
  UCSC009140  Quercus wislizeni var. wislizeni Al Keuter 2015-3-31 10- 05 -2 Placer North Fork American River/SR193 202 Comment
  UCSC009278  Quercus wislizeni var. wislizeni Al Keuter 2015-3-31 10- 05 -1 Placer North Fork American River/SR193 202 Comment
  UCD95798  Ranunculus canus Beecher Crampton 1977-4-3 9468 Placer 3.5 miles north of Auburn at Elder's Corner. Comment
  UC9441  Ranunculus hebecarpus H. N. Bolander 1865-4-10 4510 Placer Auburn Comment
  UC1607879  Ranunculus muricatus C. G. Nast 1936-4-12 127 Placer Auburn Comment
  CHSC81547  Ranunculus occidentalis D. Tellefson 2000-4-23 Placer Shockley Woods, Shockley Rd, Auburn. 400 Comment
  UC480972  Ranunculus occidentalis Francis Ramaley 1917-4-24 11142 Placer Auburn Comment
  UCR257018  Ranunculus occidentalis George K. Helmkamp, Amy Barnes 2014-4-23 22788 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  CHSC81475  Raphanus sativus D. Tellefson 2000-4-23 Placer Shockley Woods, Shockley Rd, Auburn. 400 Comment
  UC570990  Rhamnus ilicifolia Herbert L. Mason 1926-5-28 3265 Placer near Auburn Comment
  SD43645  Ribes roezlii Darley F. Howe 1948-5-22 1900 Placer 1219 Comment
  SDSU5940  Ribes roezlii D. F Howe 1948-5-22 1900 Placer 1219 Comment
  UC90678  Rigiopappus leptocladus Mrs. K. Curran May 1889 Placer Auburn Comment
  CAS-BOT-BC340986  Robinia pseudoacacia G. L. Stebbins 1976-9-25 76265 El Dorado At south side of American River, at junction of North and Middle Fork, immediately east of State Highway 49 176 Comment
  UCD149440  Robinia pseudoacacia G. Ledyard Stebbins 1976-9-25 76265 El Dorado South side of the American River at junction of North and Middle Fork, immediately east of State Highway 49. (Exact location unknown. Coordinates estimated by label maker.) 176 Comment
  JEPS53836  Rorippa curvisiliqua W. H. Shockley June 1886 Placer Auburn Comment
  JEPS47280  Rosa bridgesii C. F. Sonne May 1891 4172 Placer along railroad below Auburn Comment
  UCD17679  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 88 Placer California. Placer County: on Placer Road in Auburn. Follow to bottom near new highway cut. Off Grass Valley Highway. Comment
  UCD17681  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 81 Placer California. Placer County: corner of Grass Valley Highway and Sawyer Court in Auburn. Comment
  UCD17686  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 74 Placer California. Placer County: growing under railroad bridge at junction of highways in Auburn. Comment
  UCD17698  Rubus armeniacus H. Olmo; T. S. Mallah 1953-3-24 53 22 Placer California. Placer County: Placer Road in Auburn. Follow to bottom near new highway cut. Off Grass Valley Highway. Comment
  CAS-BOT-BC158731  Rubus ursinus Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4022 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  UCD17694  Rubus ursinus H. Olmo; T. S. Mallah 1953-3-24 53 21 B Placer California. Placer County: Placer Road in Auburn. Follow to bottom near new highway cut. Off Grass Valley Highway. Comment
  UCD17695  Rubus ursinus H. Olmo; T. S. Mallah 1953-3-24 53 20 Placer California. Placer County: corner of Grass Valley Highway and Sawyer Court in Auburn. Comment
  UCD17696  Rubus ursinus H. Olmo; T. S. Mallah 1953-3-24 53 22 A Placer California. Placer County: Placer Road in Auburn. Follow to bottom near new highway cut. Off Grass Valley Highway. Comment
  UCD17700  Rubus ursinus H. Olmo; T. S. Mallah 1953-3-24 53 21 A Placer California. Placer County: Auburn. Comment
  CDA2876  Rumex acetosella G. M. Cole 1928-5-2 Placer Near Auburn. 0 Comment
  JEPS39890  Rumex acetosella W. H. Shockley Jun 1886 Placer Auburn Comment
  UCD100984  Rumex acetosella Amelie Blyth 1952-5-11 9- 2 Placer At junction of north fork and middle fork of American River, near Auburn. Comment
  JEPS39864  Rumex pulcher W. H. Shockley 1886-6-1 Placer Auburn Comment
  JEPS39859  Rumex salicifolius var. triangulivalvis W. H. Shockley Jul 1886 Placer Auburn Comment
  CAS-BOT-BC267083  Sagittaria Brighton C. Cain 1925-8-15 6 Placer 2 miles S of Auburn at Wise Power House Comment
  UC437388  Salix laevigata Francis Ramaley 1917-1 11143 Placer Auburn Comment
  RSA0115437  Salix lasiolepis George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22533 Placer Sierra Nevada Mountains Foothills: North Auburn, corner of Bell Road and Olympic Way, 0.7 mi. west of CA-49. 433 Comment
  UCR257591  Salix lasiolepis George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22533 Placer Sierra Nevada Mountains Foothills, North Auburn, corner of Bell Road and Olympic Way, 0.7 mi. west of CA-49 433 Comment
  RSA43814  Salix lemmonii D. F. Howe 1948-5-22 s.n. Placer [Unspecified] 1707 Comment
  SD43610  Salix lemmonii Darley F. Howe 1948-5-22 Placer Placer Co. 1707 Comment
  SDSU9454  Salix lemmonii D. F. Howe 1948-5-22 1826 Placer 1707 Comment
  SDSU9455  Salix lemmonii D. F. Howe 1948-5-22 1824 Placer 1707 Comment
  SD43606  Salix scouleriana Darley F. Howe 1948-5-22 Placer Placer County 1219 Comment
  SD43607  Salix scouleriana Darley F. Howe 1948-5-22 Placer Placer County 1219 Comment
  SDSU9458  Salix scouleriana D. F. Howe 1948-5-22 1821 Placer 1219 Comment
  SDSU9459  Salix scouleriana D. F. Howe 1948-5-22 1820 Placer 1219 Comment
  UCSB32297  Sanicula bipinnata Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  UC303481  Sanicula bipinnatifida Mary E. Pulsifer Mar. 1895 4 Placer Auburn Comment
  UCD80017  Sanicula bipinnatifida CNPS SN Foothill Team 2005-4-26 SNFN 0183 a Placer CDPR Auburn State Recreation Area. The stand is located at the northeast end of Robie Point, about 100 meters east (downslope) of the Western States trail, just to the north and east of where it rounds the point (accessed from the trailhead at Robie Point). 259 Comment
  UCSB32300  Sanicula graveolens Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  UC1515015  Sanicula tuberosa Bolander 1865-1 4509 Placer Auburn Comment
  UCD80016  Sanicula tuberosa CNPS SN Foothill Team 2005-4-26 SNFN 0183 b Placer CDPR Auburn State Recreation Area. The stand is located at the northeast end of Robie Point, about 100 meters east (downslope) of the Western States trail, just to the north and east of where it rounds the point (accessed from the trailhead at Robie Point). 259 Comment
  GH381130  Saxifraga californica M. E. P. Ames 1895-3-3 Unknown Near Auburn Comment
  GH381131  Saxifraga californica Mrs. R. M. Austin 1878-05-01 - 1878-06-01 Unknown Auburn Comment
  JEPS43518  Saxifraga californica W. L. Jepson 1938-4-5 18587 El Dorado 3 mi e of Auburn (1/8 mi s of suspension bridge over the North Fork American River, along Hwy 49, just above Louisiana Bar) 243 Comment
  JEPS47533  Saxifraga californica Katharine Brandegee 1909-4-28 El Dorado between Auburn and Cool Comment
  UC73127  Saxifraga californica Milo S. Baker 1900-2-11 Placer near Auburn Comment
  SD240827  Scandix pecten-veneris George K. Helmkamp, E. A. Helmkamp 2012-3-31 18664 Placer Northern Sierra Nevada Mountains Foothills: Old Foresthill Road, 0.7 mile northeast of its junction with CA-49 and the American River Crossing (Auburn 7.5'Q) 257 Comment
  UCR238587  Scandix pecten-veneris George K. Helmkamp, E. A. Helmkamp 2012-3-31 18664 Placer Northern Sierra Nevada Mountains Foothills, Old Foresthill Road, 0.7 mile northeast of its junction with CA-49 and the American River Crossing 258 Comment
  UCD34139  Scleranthus annuus subsp. annuus Beecher Crampton 1977-4-3 9463 Placer Placer County, 3.5 miles north of Auburn, just east of Elder's Corner on Dry Creek Road. Comment
  UCD80402  Scutellaria tuberosa CNPS SN Foothill Team 2005-4-28 SNFN 0184 b El Dorado CDPR, Auburn State Recreation Area, north of the Auburn-Cool trail, about a mile W of Highway 49. 443 Comment
  UCD101982  Sedella pumila Allan R. Magie 1957-4-14 120 Placer Auburn. Comment
  CAS-BOT-BC62097  Selaginella hansenii Viola N. Poole 1932-5-1 s.n. Placer Auburn Comment
  RSA684430  Selaginella hansenii Viola N. Poole 1932-05 323 Placer Auburn. 329 Comment
  UC905264 Image available Selaginella hansenii H. Bolander 1865-10-4 4511 Placer Auburn Comment
  UCD135983  Selaginella hansenii A. S. Crafts 1940-12-10 s.n. Placer Near Auburn. Comment
  UCD135984  Selaginella hansenii A. S. Crafts 1940-12-10 s.n. Placer Near Auburn. Comment
  SD43765  Senecio aronicoides Darley F. Howe 1948-5-23 1922 Placer American River 305 Comment
  SDSU464  Senecio aronicoides unknown 1948-5-23 1922 Placer American River. 305 Comment
  UCD15160  Senecio vulgaris Phyllis Adams 1982-4-24 9 Placer near the town of Auburn, in the American River Canyon, at the end of Flood Road; 441 Comment
  UCR253475  Senecio vulgaris George K. Helmkamp 2014-3-11 22538 Nevada Sierra Nevada Mountains Foothills, Auburn, southbound on CA-49 about 0.1 mile east of Lincoln Way 402 Comment
  CHSC80125  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer Southeast corner of Newcastle Road and Brenner Road, Newcastle. Comment
  CAS-BOT-BC243549  Setaria parviflora David D. Keck 1932-7-1 1596 Placer 2 miles N. of Auburn on Nevada City Road 426 Comment
  CAS-BOT-BC243550  Setaria parviflora David D. Keck 1932-7-1 1596 Placer 2 miles N. of Auburn on Nevada City Road 426 Comment
  UC1261251  Setaria viridis G. D. Barbe 1974-11-26 1985 Placer e. Roseville (fence line along Barton Rd. at Eureka Rd., n.w. corner) Comment
  UCD164649  Sidalcea calycosa Brandi Sorensen 1995-5-12 6 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  JEPS50059  Sidalcea hartwegii W. H. Shockley 1879-1 Placer Auburn Comment
  UCD34163  Sidalcea hartwegii Beecher Crampton 1977-6-11 9500 Placer Placer County, 3.5 miles N.E. of Auburn, Dry Creek road just east of Elder's Corners. Comment
  UC942755  Silene californica Peter H. Raven, G. L. Stebbins Jr. 1952-4-20 4016 Placer North Fork American River s Auburn (near bridge on Rt. 49); North Fork American River s of Auburn 213 Comment
  CAS-BOT-BC388987  Silene laciniata subsp. californica Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4016 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  CAS-BOT-BC389033  Silene laciniata subsp. californica Larry Malone 1961-3-18 s.n. El Dorado 2 1/2 miles west of Auburn, North Fork of American River Comment
  UCD80219  Silene laciniata subsp. californica CNPS SN Foothill Team 2005-5-2 SNFN 0187 b El Dorado CDPR, Auburn State Recreation Area, just south of the Olmstead Loop Trail, south of the Knickerbocker Canyon (just after the trail comes out of the canyon). 430 Comment
  CDA5917  Solanum aviculare J. H. Wilson 1961-8-3 Placer Albert Fanini property, 1145 Liveoak Lane, Auburn. 0 Comment
  UCR253621  Sonchus oleraceus George K. Helmkamp 2014-3-11 22537 Nevada Sierra Nevada Mountains Foothills, Auburn, southbound on CA-49 about 0.1 mile east of Lincoln Way 402 Comment
  GH355553  Sorghum halepense Mary E. Pulsifer 1894-1-1 14 Unknown Auburn, Placer Co., Cal. Comment
  UCR258183  Sorghum halepense George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20038 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  POM107629  Spiranthes porrifolia Marcus E. Jones 1882-7-8 s.n. Placer Auburn Comment
  UC1292721  Streptanthus polygaloides Freed W. Hoffman 1952-5-24 4198 El Dorado 2.8 mi S of Rattlesnake Bridge (near E bank of American River) Comment
  CHSC24706  Streptanthus tortuosus var. pallidus T. C. English 1976-4-18 35 Placer On n side of deserted R.R., on n fork of the American River, ca. 2 mi w of Hwy 49 bridge. 335 Comment
  SDSU11280  Styrax officinalis var. californicus D. F. Howe 1948-5-23 1815 Placer American River 305 Comment
  SEINET5505499 Image available Styrax officinalis var. californicus J. M. Tucker 1958-1 3390 El Dorado Beside State Hwy. 49, 3.2 miles (by road) north of Cool Comment
  SEINET5505738 Image available Styrax officinalis var. californicus Evert I. Schlinger 1952-1 95 Placer 2 miles east of Auburn Comment
  JEPS32521  Styrax officinalis var. redivivus W. L. Jepson 1938-4-5 18581 a Placer 2 mi e Auburn; e of Auburn Comment
  UC630413  Styrax officinalis var. redivivus Annetta Carter 1939-9-30 1485 Placer 2 mi e Auburn (canyon of the North Fork of the American River); canyon of the North Fork of the American River 228 Comment
  UC903246  Styrax officinalis var. redivivus Ethel Crum 1938-5-15 2043 Placer 2 mi ne Auburn (canyon of Middle Fork American River); Sierra Nevada foothills, canyon of Middle Fork American Rive 304 Comment
  CAS-BOT-BC47708  Styrax redivivus G. W. Dunn s.n. Placer Auburn Comment
  CAS-BOT-BC47711  Styrax redivivus Robert C. Bechtel 1952-5-3 95 Placer 2 miles east of Auburn Comment
  SBBG5624  Styrax redivivus J. M. Tucker 1958-5-27 3390 El Dorado St Hwy 49, 3.2 mi (by road) N of Cool Comment
  SJSU2076  Styrax redivivus F. J. Santana 1958-5-10 78 Placer c. 2 mi from Auburn, Sierra Nevada foothills 426 Comment
  UCD119092  Styrax redivivus Robert C. Bechtel 1952-5-3 95 Placer 2 miles east of Auburn. Comment
  UCD119093  Styrax redivivus Linda A. Bell 1975-5-24 173 Placer Highway 49, 2 miles South-East of Auburn. 457 Comment
  UCD119095  Styrax redivivus Julie Combs 1994-5-14 19 Placer 1/2 m E of Robie St. just off hiking trail. 274 Comment
  UCD119102  Styrax redivivus Al Franklin 1987-5-1 87 -11 Placer 1.3 miles east of I-80 on Foresthill Road, just outside of Auburn. 426 Comment
  UCD119120  Styrax redivivus J. M. Tucker 1958-5-27 3390 El Dorado Beside State Highway 49, 3.2 miles (by road) north of Cool. Comment
  UCD119121  Styrax redivivus G. H. Vansell 1930-5-7 2213 Placer Auburn. Comment
  UCD22735  Styrax redivivus C. H. Pinney 1975-5-24 156 Placer 0.4 miles west of Juct Hwy 49 and Forrest Hill Rd. 609 Comment
  UCD67979  Styrax redivivus Linda A. Bell 1975-5-24 173 Placer Highway 49, 2 miles South-East of Auburn. 457 Comment
  CHSC24731  Tauschia hartwegii T. C. English 1976-4-11 23 Placer N fork of American River in shaded areas. 2 mi w of Hwy 49 Bridge on n side of abandoned R.R. 335 Comment
  UC303494  Tauschia hartwegii Mary E. Pulsifer Ames March 1892 Placer Auburn Comment
  UC566896  Tauschia hartwegii H. L. Mason 1926-5-28 3266 Placer hills near Auburn (Auburn) Comment
  UCSB32305  Tauschia hartwegii Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  HSC27260  Thysanocarpus curvipes J. P. Smith 1972-3-22 5092 Placer Bridge over N Fork of American River. Comment
  SEINET13203117 Image available Thysanocarpus curvipes George K. Helmkamp, Amy Barnes 2014-1 22786 Placer Sierra Nevada Mountains Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River (Auburn 7.5' Q.) 290 Comment
  UCD115924  Thysanocarpus curvipes K. Esau 1932-4-17 s.n. Placer Auburn. Comment
  UCR257102  Thysanocarpus curvipes George K. Helmkamp, Amy Barnes 2014-4-23 22786 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  UCD116044  Thysanocarpus radians Allan R. Magie 1957-4-14 121 Placer Auburn. Comment
  UC942759  Tonella tenella Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4007 Placer s of Auburn (near bridge on Rt. 49); North Fork American River 213 Comment
  UCD128157  Torilis arvensis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10427 A Placer Northern Sierra Nevada Foothills. 2.1 miles south of Auburn along CA Hwy 49. 293 Comment
  UCD40908  Torilis arvensis Dan Ceobrquist 1984-5-22 10 Placer 3 mi. east of Auburn. Along side of Hwy 80. Comment
  UCR173264A  Torilis arvensis George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10427 A Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  JEPS148  Torilis nodosa W. H. Shockley June 1886 Placer Auburn Comment
  JEPS888  Torilis nodosa W. H. Shockley June 1886 Placer Auburn Comment
Read comments
Oct 3 2006
  GH361211  Torreyochloa pallida var. pauciflora F. A. MacFadden 1934-7-9 12627 Unknown Bowman Dam Road Comment
  UC830765  Tragopogon porrifolius Kate E. Phelps 1937-5-28 Placer Auburn Comment
  GH402441  Trichostema lanceolatum M. E. P. Ames 1894-08-01 - 1894-09-01 Unknown Auburn Comment
  UCD80330  Trifolium bifidum CNPS SN Foothill Team 2005-4-26 SNFN 0183 d Placer CDPR Auburn State Recreation Area. The stand is located at the northeast end of Robie Point, about 100 meters east (downslope) of the Western States trail, just to the north and east of where it rounds the point (accessed from the trailhead at Robie Point). 259 Comment
  SEINET13203101 Image available Trifolium dubium George K. Helmkamp, Amy Barnes 2014-1 22781 Placer Sierra Nevada Mountains Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River (Auburn 7.5' Q.) 290 Comment
  UCD108820  Trifolium dubium Al Franklin 1987-5-1 87 -10 Placer 1.3 miles east of I-80, on Foresthill Road, just outside Auburn. 396 Comment
  UCR257558  Trifolium dubium George K. Helmkamp, Amy Barnes 2014-4-23 22781 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  CAS-BOT-BC257794  Trifolium glomeratum George K. Helmkamp; E. A. Helmkamp 2011-6-2 17457 Placer Northern Sierra Nevada Mountains Foothills: along CA-49 southeast of Auburn at a trail entrance to the Auburn State Recreation Area 354 Comment
  UCR242553  Trifolium glomeratum George K. Helmkamp, E. A. Helmkamp 2011-6-2 17457 Placer Northern Sierra Nevada Mountains Foothills, along CA-49 southeast of Auburn at a trail entrance to the Auburn State Recreation Area 354 Comment
  RSA637580  Trifolium hirtum Michael A. Vincent 1999-6-12 8634 Placer Above CA Rt. 49, 1.1 miles south of Lincoln Way in Auburn. Comment
  UCD111214  Trifolium hirtum Michael A. Vincent 1999-6-12 8634 Placer Above CA Rt. 49, 1.1 miles south of Lincoln Way in Auburn. Comment
  UCR173265  Trifolium hirtum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10428 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCR257075  Trifolium hirtum George K. Helmkamp, Amy Barnes 2014-4-23 22776 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  UC866865  Trifolium macraei Eliz. Parsons Hawver 1913-5-1 Placer Auburn Comment
Read comments
Feb 7 2017
  UCD80317  Trifolium microdon CNPS SN Foothill Team 2005-4-28 SNFN 0184 a El Dorado CDPR Auburn State Recreation Area, north of the Auburn-Cool trail, about a mile W of Highway 49. 443 Comment
  UC16836  Trifolium variegatum var. melananthum H. N. Bolander 1865-4-11 4539 Placer near Auburn Comment
  CHSC24636  Trifolium willdenovii T. C. English 1976-4-11 23 Placer Located 2 mi w Hwy 49 bridge over N Fork of American River on n edge of abandoned R.R. 335 Comment
  CHSC81510  Trifolium willdenovii D. Tellefson 2000-4-23 Placer Shockley Woods, Shockley Rd, Auburn. 400 Comment
  JEPS4358  Trifolium willdenovii W. H. Shockley Jun 1886 Placer Auburn Comment
  UC397182  Trifolium willdenovii Mary E. Pulsifer 1895-4-1 Placer Auburn Comment
  SEINET7067117  Trifolium wormskioldii A. G. Vestal 1947-4-29 s.n. Placer About 3.3 miles north of Auburn on Route 49. Coordinate datum: NAD27. Comment
  SEINET7067116  Triphysaria eriantha A. G. Vestal 1947-4-29 s.n. Placer About 3.3 miles north of Auburn on Route 49. Coordinate datum: NAD27. Comment
  JEPS10418  Triphysaria eriantha subsp. eriantha M. E. P. Ames 1878-1 Placer Auburn Comment
  JEPS16388  Triphysaria eriantha subsp. eriantha Mrs. Ames Placer [near] Auburn; [near] Auburn Comment
  UC219134  Triphysaria eriantha subsp. eriantha unknown May, 1891 Placer Auburn Comment
  UC219136  Triphysaria eriantha subsp. eriantha Mary E. Pulsifer Ames Mar, 1895 Placer Auburn Comment
  UC27178  Triphysaria eriantha subsp. eriantha H. N. Bolander 1865-4-11 4547 Placer Auburn Comment
  JEPS4304  Triphysaria pusilla W. H. Shockley Jun 1886 Placer Auburn Comment
  UC662468  Triteleia bridgesii Dorothy Law 1941-5-15 Placer Auburn Sierra Nevada foothills Comment
  UCD164644  Triteleia ixioides subsp. ixioides Brandi Sorensen 1995-5-12 15 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  SEINET200099 Image available Triteleia ixioides subsp. scabra Alan R. Magie 1957-5-5 124 Placer Auburn. Comment
  UCD139336  Triteleia ixioides subsp. scabra Julie Combs 1994-5-14 20 Placer 1 m E of railroad tracks. 579 Comment
  SEINET7067121  Triteleia laxa A. G. Vestal 1947-4-29 s.n. Placer About 3.3 miles north of Auburn. Coordinate datum: NAD27. Comment
  UCD164645  Triteleia laxa Brandi Sorensen 1995-5-12 12 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  GH422556  Tropidocarpum gracile M. E. P. Ames 1895-03-01 - 1895-04-01 Unknown Auburn Comment
  GH422558  Tropidocarpum gracile M. E. P. Ames 1891-03-01 - 1891-04-01 Unknown Auburn Comment
  JEPS54262  Tropidocarpum gracile W. H. Shockley 1879-1 Placer Auburn Comment
  CAS-BOT-BC487621  Velezia rigida Chuck Hughes 2014-5-28 403 Placer Between Hwy 49 and Canal St in North Auburn 441 Comment
  UCD160267  Velezia rigida Chuck Hughes 2014-5-28 403 Placer Between Highway 49 and Canal Street in North Auburn. 441 Comment
  OBI9218  Verbascum blattaria Robert F. Hoover 1965-6-24 9449 Placer 2 mi N of Auburn on rd to Grass Valley (Hwy 49) Comment
  SD114045  Verbascum blattaria Darley F. Howe 1964-7-26 3869 Placer Auburn 366 Comment
  UCR258209  Verbascum blattaria George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20047 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  UCR258192  Verbena bonariensis George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20044 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  UCD124691  Veronica arvensis G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11707 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks. 287 Comment
  UCR188849  Veronica arvensis George K. Helmkamp, E. A. Helmkamp 2007-3-25 11707 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  UCD108719  Vicia americana subsp. americana Earl B. Ingrim 1933-5-10 s.n. Placer Near Auburn. Comment
  SEINET13203100 Image available Vicia hirsuta George K. Helmkamp, Amy Barnes 2014-1 22780 Placer Sierra Nevada Mountains Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River (Auburn 7.5' Q.) 290 Comment
  UCR257021  Vicia hirsuta George K. Helmkamp, Amy Barnes 2014-4-23 22780 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  SEINET2441671  Vicia villosa subsp. villosa George K. Helmkamp, E. A. Helmkamp 2009-4-22 14560 Placer Sierra Nevada Mountains Foothills: Forest Hill Road 0.8 mile east of its junction with CA-49 and the North and Middle Forks of the American River (Auburn 7.5' Q.). 277 Comment
  UCR207848  Vicia villosa subsp. villosa George K. Helmkamp, E. A. Helmkamp 2009-4-22 14560 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 0.8 mile east of its junction with CA-49 and the North and Middle Forks of the American River 277 Comment
  UCR238584  Vicia villosa subsp. villosa George K. Helmkamp, E. A. Helmkamp 2012-3-31 18667 Placer Northern Sierra Nevada Mountains Foothills, Old Foresthill Road, 0.7 mile northeast of its junction with CA-49 and the American River Crossing 258 Comment
  UCR258218  Vinca major George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20053 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  JEPS50295  Viola douglasii W. H. Shockley 1879-1 Placer Auburn Comment
  UC19240  Viola douglasii H. N. Bolander 1865-4-11 4544 Placer Auburn Comment
  UCD16246  Vitis H. Olmo; G. Ishizuka 1967-10-22 67 19 Placer California. Placer County: Central Placer Ranch in Ophir. Located in middle of ranch by Japanese Pear along west side of ravine. Comment
  UCD16247  Vitis vinifera H. Olmo; G. Ishizuka 1967-10-22 67 20 Placer California. Placer County: Central Placer Ranch in Ophir. Located in northwest corner on east bank of P.G.E. Creek (running north). Comment
  CAS-BOT-BC198732  Vulpia bromoides Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4012 Placer North Fork Amercian river south of Auburn near bridge on Rt. 49 213 Comment
  UCD93658  Vulpia microstachys Beecher Crampton 1955-6-15 2855 Placer Forest Hill Road, just off US Hwy. 40. Comment
  CAS-BOT-BC185674  Vulpia myuros subsp. megalura Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4005 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  CAS-BOT-BC383174  Wyethia angustifolia R. F. Hoover 1965-6-24 9451 Placer 2 miles north of Auburn on road to Grass Valley (Highway 49) Comment
  OBI15344  Wyethia angustifolia Robert F. Hoover 1965-6-24 9451 Placer 2 mi N of Auburn on rd to Grass Valley (hwy 49) Comment
  GH387439  X Agropogon lutosus M. E. P. Ames 1887-1-1 Unknown Auburn Comment



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