Search Results — 2000 specimen records retrieved (1620 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/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCD133086  Abies concolor Beecher Crampton 1960-11-2 5801 Placer 2 miles E of Gold Run. Along US Hwy. 40. 1066 Comment
  CAS-BOT-BC78091  Abies magnifica Baki Kasapligil 1974-1-19 4770 Placer Lake Tahoe Comment
  JEPS46610  Abies magnifica Dr. J. C. Hawver Oct. 1908 Placer Summit Comment
  NY29526  Abies magnifica A. A. Heller 1912-7-20 10592 Placer This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC331004  Acer glabrum var. glabrum John H. Thomas; Hazelle A. Thomas 1956-7-21 6110 Placer Sierra Nevada, vicinity of Donner Pass, about 80 miles NE of Sacramento. 2377 Comment
  CAS-BOT-BC331005  Acer glabrum var. glabrum Dr. W. B. Stephens 1922-7-1 sn. Placer Salmon Lake Comment
  CAS-BOT-BC331007  Acer glabrum var. glabrum Alice Eastwood 1912-6-15 365 Placer Lake Tahoe Region. Deer Park Comment
  OBI39804  Achillea millefolium Joy H. Nishida 1985-7-10 783 Placer Homewood 1829 Comment
  SCFS1156  Achillea millefolium E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Cedar's Meadow. Comment
  POM260180  Achnatherum lemmonii var. lemmonii C. L. Hitchcock 1940-5-7 6314 Placer 1 mile west of Baxter Comment
  SEINET255910 Image available Achnatherum nevadense Mary E. Barkworth 1987-8-21 4012 Placer 1 block north of intersection of 89 south to Tahoe City and I 80 in Truckee Comment
  UCD50816  Achnatherum nevadense Collector Unknown Date Unknown 12889 Placer Summit Station. 2121 Comment
  SEINET5585755  Achnatherum occidentale Lewis S. Rose 1946-1 46193 Placer Rainbow, north of Cisco 1737 Comment
  UCD55557  Achnatherum occidentale Beecher Crampton 1958-6-24 4959 Placer Placer-Nevada Co. line: Eastern edge of Martis Valley, ca. 4 miles east of Truckee. Comment
  CDA15991  Achnatherum occidentale subsp. californicum G. F. Hrusa, J. Glazner 1999-7-17 15184 b Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC40962  Achnatherum stillmanii J. D. Jokerst 1984-6-23 2067 Placer In canyon of the Middle Fork American River. 1158 Comment
  SEINET6700615 Image available Achyrachaena mollis Beninghoff 1930-4-19 2978 Placer Lincoln Comment
  CHSC81785  Acmispon americanus var. americanus Lowell Ahart 2001-10-10 9346 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  SEINET7249210  Acmispon americanus var. americanus G. K. Helmkamp, E. A. Helmkamp 2012-1 19917 Placer Northern Sierra Nevada Mountains; junction of Nyack Road and I-80 in the Emigrant Gap area 1652 Comment
  UCD33729  Acmispon americanus var. americanus Beecher Crampton 1972-7-26 8836 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  SEINET5327533  Acmispon americanus var. americanus P. B. Kennedy, Samuel Bradford Doten 1901-8-18 413 Placer Talbots Home Camp, 7 mi from French Meadows Comment
  CAS-BOT-BC204858  Acmispon argophyllus var. fremontii Lillian S. Mott 1965-5-23 6577 Placer Mosquito Ridge road out of Foresthill Comment
  UCD36679  Acmispon brachycarpus Beecher Crampton 1955-6-15 2919 Placer Placer County, 8 miles west of Forest Hill. Comment
  UC1505786  Aconitum Robert T. Clausen and Harold Trapido 1940-7-13 4887 Placer 2 mi. w. Lake Tahoe (along Ward Creek); Sierra Nevada, Lake Tahoe Basin, Ward Creek 1905 Comment
  CAS-BOT-BC391457  Aconitum columbianum subsp. columbianum A. A. Heller 1917-8-13 12882 Placer Summit Valley 2118 Comment
  CAS-BOT-BC391462  Aconitum columbianum subsp. columbianum Mrs. Chas. E. Miller 1916-8-30 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC412608  Aconogonon alaskanum Alice Eastwood 1909-1-1 37 Placer Lake Tahoe Region. Sunnyside Comment
  SD1177  Aconogonon davisiae C. F. Sonne Aug 1897 Placer Tinkers Knob Comment
  UCD83596  Aconogonon phytolaccifolium Albert Grigarick 2009-8-7 165 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 2171 Comment
  CHSC79552  Actaea rubra G. F. Hrusa; T. Scarano 1994-8-31 11914 Placer Sierra Nevada. Duncan Creek at base of grade below French Meadows Reservoir, 1/4 m. upstream from bridge. [Lat./long. on label is '39 8 N; 120 29 W']. 1500 Comment
  SEINET6700629 Image available Adenocaulon bicolor P. B. Kennedy 1901-8-15 405 Placer Bear man's camp, 6 miles from French Meadows Comment
  UCR173772  Adenostoma fasciculatum George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10716 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  SEINET6190154  Adenostoma fasciculatum H. N. Mozingo 1979-9-29 79 -169 Placer 1 mile east of junction of old and new Foresthill Rd. Comment
  UCR173254  Adiantum jordanii George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10451 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  UCR218244  Adiantum jordanii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16429 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  SACT000030  Aegilops triuncialis D. Meyer 1983-6-5 Placer Roadside ditch 829.056 Comment
  UCD51602  Aegilops triuncialis B. Crampton 1955-5-27 2815 Placer 5-6 miles northwest of Roseville. Comment
  UCD128553  Ageratina occidentalis A. T. Leiser 1972-8-14 s.n. Placer Alpine Meadows. Comment
  UCD83644  Ageratina occidentalis Albert Grigarick 2009-9-10 197 Placer Squaw Creek Resort, near base of Cornice II and Headwall lifts. 2286 Comment
  UCR235386  Agoseris retrorsa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18948 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  CAS-BOT-BC110752  Agropyron cristatum T. C. Fuller 1964-9-1 12574 Placer Sierra Nevada. North side of Interstate 80 freeway from Donner Summit, 0.1 mile west of Blue Canyon Road. 1524 Comment
  SACT000052  Agropyron intermedium var. trichophorum Michael Baad 1976-7-17 Placer Open brushy slopes on granite 2133.6 Comment
  SACT000072  Agropyron trachycaulum Michael Baad 1983-7-23 Placer 1828.8 Comment
  SACT000073  Agropyron trachycaulum Michael Baad 1983-7-23 Placer 1767.84 Comment
  SACT000074  Agropyron trachycaulum D. Meyer 1983-9-10 Placer Moist streambank and meadow 1879.0 Comment
  SEINET3258002 Image available Agrostis George K. Helmkamp, E. A. Helmkamp 2008-8-20 14036 Placer Northern Sierra Nevada Mountains; Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek. 2107 Comment
  SACT000123  Agrostis avenacea Josephine Van Ess 1976-6-16 Placer Diamond Oaks Rd at small stream draining from golf course. Wet streambank. Roseville. 48.8 Comment
  SACT000082  Agrostis exarata D. Meyer 1984-7-8 Placer Very moist streambank, beneath bridge 1290.0 Comment
  SACT000083  Agrostis exarata D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT000099  Agrostis exarata D. Meyer 1983-7-24 Placer Sacramento Rd North of I80 Dutch Flat exit. Moist, shady roadside 1036.32 Comment
  SACT000100  Agrostis exarata D. Meyer 1984-8-12 Placer Ralston Ridge Rd 11.21 km from French Meadows. Very wet. Somewhat boggy. Grazed woody area. 1612.0 Comment
  SACT000112  Agrostis exarata D. Meyer 1984-7-8 Placer Lake Valley Reservoir Picnic Area. Ground at lakeside. 1758.0 Comment
  SEINET9363211  Agrostis exarata Unknown 2009-7-16 15191 Placer Sierra Nevada Mountains Comment
  UCD33607  Agrostis exarata Beecher Crampton 1970-6-26 8640 Placer Placer County, Gold Run. 914 Comment
  UCR146666  Agrostis exarata Beecher Crampton 1970-6-26 8640 Placer Sierra Nevada Mountains, Gold Run 915 Comment
  UCR206677  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2009-7-16 15191 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  SACT000113  Agrostis exarata var. monolepis D. Meyer 1984-6-23 Placer Iowa Hill rd 9.76 km from I80 Frontage Rd. Moist shady roadside ditch. Oak, pine, manzanita. 978.0 Comment
  CDA13678  Agrostis gigantea G. F. Hrusa, J. Glazner 1997-8-3 14038 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Large rhizomatous colony on +- moist margin of ditch along Squaw Valley Rd. Comment
  CHSC82677  Agrostis idahoensis Lowell Ahart 2002-7-22 9906 Placer Along a drainage, about 40 yards northwest of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1774 Comment
  UCD52992  Agrostis idahoensis Lewis S. Rose 1944-7-26 44272 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  SEINET3916466  Agrostis microphylla Beecher Crampton 1957-5-7 3998 Placer 1.7 miles east of Lincoln.; 0 Comment
  UC33985  Agrostis oregonensis C. F. Sonne Aug. 1892 2 Placer <Mts?> above Donner Lake Comment
  CAS-BOT-BC138718  Agrostis scabra Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  CAS-BOT-BC138721  Agrostis scabra E. R. Blakley 1960-9-3 3808 Placer King's Beach, Lake Tahoe. 1903 Comment
  JEPS127496  Agrostis scabra Steve Matson 2002-11-7 773 Placer Tahoe west shore; Emerald Bay, Eagle Falls trailhead. Comment
  SACT000162  Agrostis scabra D. Meyer 1984-7-29 Placer South of reservoir; moist, shady north-facing slope 1612.0 Comment
  SACT000163  Agrostis scabra D. Meyer 1984-7-21 Placer Along river bank and along shaded bike trail 1879.0 Comment
  UC1729974  Agrostis scabra L. P. Janeway, Eric Schroder 1998-9-16 6338 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek); Homewood Quadrangle 2124 Comment
  UCD36712  Agrostis scabra Beecher Crampton 1955-7-13 2997 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCR146852  Agrostis scabra Beecher Crampton 1964-7-21 7120 Placer Sierra Nevada Mtns., Cisco Grove, US Hwy. 40 1723 Comment
  CHSC74333  Agrostis stolonifera Susi Urie 1998-9-2 98 -201 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UCD75937  Agrostis stolonifera Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5165 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail between creek and trail. 2136 Comment
  SACT000197  Agrostis stolonifera var. major D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT000202  Agrostis stolonifera var. major Michael Baad 1976-8-4 Placer Picayune Trail at end of Jeep road, two miles east of Talbot Camp, ne of mildred ridge 1975.0 Comment
  SACT000203  Agrostis stolonifera var. major D. Meyer 1983-7-16 Placer 1624.0 Comment
  SACT000204  Agrostis stolonifera var. major D. Meyer 1983-7-30 Placer 2072.64 Comment
  SACT000215  Agrostis tenuis D. Meyer 1984-6-10 Placer 606.0 Comment
  SACT000225  Agrostis thurberiana Michael Baad 1976-8-12 Placer On the ridge btw Emigrant Peak and Granite Chief north to Mt Meadows Lake northwest of Granite Chief. 2438.4 Comment
  SACT000249  Agrostis variabilis Michael Baad 1983-8-27 Placer Trail btw Lower Loch Leven Lake and Salmon Lake 2072.64 Comment
  SACT000256  Agrostis variabilis James Grove 1977-7-15 Placer 2000.0 Comment
  UCD53720  Agrostis variabilis A. A. Heller 1917-8-13 12913 Placer Ridge northwest of Donner Pass. 2346 Comment
  UCD55628  Agrostis variabilis A. A. Heller 1917-8-13 12913 Placer Ridge northwest of Donner Pass. 2346 Comment
  CAS-BOT-BC459422  Allium acuminatum L. S. Smith 1932-5-11 2652 Placer Tahoe Forest, above Middle Fork American River, South Slope 457 Comment
  UC495488  Allium campanulatum Merle Randall 1930-6-17 Placer Big Bend Ranger Station Comment
  JEPS111331  Allium lemmonii Steve Matson 2005-6-12 1269 Placer Martis Valley, ca 5 miles southeast of Truckee, Northstar subdivision,west of 267, near entrance road just east of gas station; 39.2873 N, 120.1068 W; Elevation 6200 ft. 1889 Comment
  SCFS1194  Allium obtusum E. Krimmel 2014-4-21 Placer Pt. Mariah Comment
  JEPS111204  Allium obtusum var. obtusum Steve Matson 2005-7-1 1342 Placer near Sierra Crest southwest of Donner Summit and Serene Lakes along road to Palisades Lake, 39.3087 N, 120.4133 W; elevation 6,680 ft. 2036 Comment
  CHSC46525  Allium platycaule Lowell Ahart 1964-7-3 12 Placer Along the trail to the Placer Queen Mine, north-east of Bald Mountain. 1676 Comment
  UC566211  Allium platycaule N. French 1934-6-22 458 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2286 Comment
  CAS-BOT-BC474082  Allium platycaule L. Smith 1926-5-26 1873 Placer Duncan Canyon, Tahoe Forest 1676 Comment
  CAS-BOT-BC132121  Allium sanbornii var. sanbornii G. L. Stebbins, Jr. 1952-6-22 5100 Placer Along southeast bank of American River, 1 mile northeast of bridge on Colfax-Iowa Hill Road 350 Comment
  UCD138626  Allium sanbornii var. sanbornii G. L. Stebbins 1952-6-22 5100 Placer Southeast bank of American River, 1/2 mile northeast of bridge on Colfax-Iowa Hill road. 350 Comment
  CHSC40029  Allophyllum gilioides L. S. Rose 1941-7-8 41291 Placer Chambers Lodge (McKinney), Lake Tahoe. 2100 Comment
  POM299441  Allophyllum gilioides L. S. Rose 1941-7-9 41299 Placer Chambers Lodge (McKinney), Lake Tahoe 2100 Comment
  UCR120245  Allophyllum gilioides subsp. violaceum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5031 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SEINET14440331  Allophyllum integrifolium B. Bolt 1934-7-10 93 Placer 2 miles S of Huysink Lake. Comment
  UC1714458  Allophyllum integrifolium Miss Helen D. Geis 1912-6 210 Placer Deer Park Comment
  UCD21982  Allophyllum integrifolium Beth Lowe Corbin 1982-8-6 268 Placer 1/2 mile west of Onion Creek campground. 1981 Comment
  UCR191131  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2007-6-12 12316 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  JEPS59059  Allotropa virgata C. F. Sonne 1888-7-1 437 Placer Sierra Nevada Mountains, on Truckee River Truckee River; Sierra Nevada Mountains, Truckee River Comment
  UC196658  Allotropa virgata Miss Adele Dahl Placer Tahoe City Comment
  OBI44959  Alnus incana E. R. Blakley 1960-9-2 3805 Placer At mouth of Carnelian Crk, Lake Tahoe 1905 Comment
  RSA463214  Alnus incana subsp. tenuifolia J. H. Nishida 1985-7-10 793 Placer Homewood. 1829 Comment
  UC1093925  Alnus incana subsp. tenuifolia Herbert L. Mason 1929-10-4 5461 Placer on Hwy 40 1 mi n Cisco Comment
  UCD42882  Alnus incana subsp. tenuifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 249 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SACT002785  Alnus tenuifolia Michael Baad 1976-6-10 Placer Collected on north slope of Duncan Canyon on trail to Robinson Flat. Comment
  SACT000260  Alopecurus aequalis Michael Baad 1983-7-23 Placer along hwy 267 on southside of the road Comment
  POM296923A  Alopecurus aequalis var. aequalis Lyman Benson 1942-7-2 11268 Placer 1 mile west of Truckee; Highway junction; Sierra Nevada Mt. Range 2012 Comment
  SEINET10920870  Alopecurus saccatus Lowell Ahart, Brian Williams 2007-4-13 Ahart 13660 Placer T13N, R6E, northwest 1/4 Section 34. About 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 44 Comment
  UC1505819  Amelanchier alnifolia var. semiintegrifolia K. M. Wiegand 1941-7-13 4890 Placer 2 mi w Lake Tahoe (woods along Ward Creek); Sierra Nevada, Lake Tahoe Basin 1905 Comment
Read comments
May 30 2007
  RSA0090024  Amelanchier pallida Marcus E. Jones 1927-8-12 s.n. Placer Lake Tahoe. Comment
  CAS-BOT-BC136772  Amelanchier utahensis W. R. Dudley 1909-8-23 s.n. Placer Shore of Lake Tahoe, Tahoe Tavern Comment
  JEPS111241  Amelanchier utahensis Steve Matson 2005-6-19 1297 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. 39.2957 N, 120.1382; Elevation 5850 ft. 1783 Comment
  UC12106 Image available Amelanchier utahensis C. J. Fox Jr. Jul 1895 Placer Deer Park Inn Comment
  SEINET895796 Image available Amorpha californica H. M. Hall, F. M. Essig 1916-1 10159 Placer Bear River at Gautier Bridge, northern Placer County, on the westerly slope of the Sierra Nevada, lower edge of Lower Transition Zone 400 Comment
  UC1178280  Amsinckia intermedia Francia Chisaki 1956-4-20 687 Placer on Roseville Road, Antelope Antelope Comment
  SEINET9359457  Anaphalis margaritacea Unknown 2000-9-3 15661 A Placer Placer Comment
  UCR171396  Angelica George K. Helmkamp, E. A. Helmkamp 2005-10-1 9994 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  HSC71312  Angelica breweri J. M. DiTomaso 1980-9-7 1974 Placer Lake Tahoe, Tahoe Pines, 20 m from W shore 1899 Comment
  UC2042532  Angelica breweri Holly Forbes and Barbara Keller 2010-8-18 Placer Lake Tahoe Basin Management District, Blackwood Canyon, Barker Pass Rd. 5.3 mi from its intersection with Highway 89. Comment
  CAS-BOT-BC63970  Antennaria argentea G. B. Grant 1906-7-15 6943 Placer Tahoe Tavern Comment
  CAS-BOT-BC63975  Antennaria argentea Alice Eastwood 1909-1-1 71 Placer Sunnyside Comment
  CAS-BOT-BC84676  Anthemis cotula Eliz. Parsons Hawver 1913-10-1 s.n. Placer Auburn Comment
  CAS-BOT-BC137709  Anthoxanthum odoratum Saichi Kawahara 1969-7-6 1025 Placer East of old cabin, Mel Henderson Ranch, Indian Creek. 999 Comment
  SACT000339  Anthoxanthum odoratum D. Meyer 1983-7-24 Placer North of I 80 along roadside. 909.0 Comment
  UCD80515  Anthoxanthum odoratum CNPS SN Foothill Team 2005-4-11 SNFN 0104 a Placer Placer Legacy, Spears/Didion Ranch, above Coon Creek, approximately 2.5 miles east of entry gate off of Garden Bar Road. 156 Comment
  JEPS83005  Antirrhinum leptaleum Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, Daniel Zohary, Fritz Ehrendorfer et al. 1952-7-20 3874 Placer 6 mi e Iowa Hill (just s of Shirttail Public Camp); Tahoe National Forest 1097 Comment
  POM190466  Antirrhinum leptaleum D. D. Keck 1932-7-1 1591 Placer 2 miles N. of Auburn on Nevada City Road. 427 Comment
  JEPS5182  Antirrhinum vexillocalyculatum subsp. intermedium Rimo Bacigalupi 1951-7-20 3891 Placer 2 mi e Forest Hill (Volcano Creek, overlooking the Middle Fork canyon of the American River); Volcano Creek 762 Comment
  CDA14416  Aphanes occidentalis D. Joley 1995-5-12 Placer Dry Creek Road, I-80 east of Auburn near Applegate. 0 Comment
  UCR257735  Apocynum androsaemifolium George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19515 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  CAS-BOT-BC397901  Aquilegia formosa Marcus E. Jones 1893-1-1 2614 Placer Emigrant Gap. Comment
  UC615318  Aquilegia formosa Beryl O. Schreiber 1933-7-19 876 Placer rd to Tahoe Comment
  CDA36918  Arabidopsis thaliana CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UCD114099  Arabidopsis thaliana Barbara Ertter; David Thompson 1989-4-9 8196 Placer Halfway down road to Lake Clementine (=North Fork Lake) NE of Auburn. 304 Comment
  CDA12380  Arabis lyallii G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8508 A Placer Lake Tahoe; Upper Ward Valley, 4 m SW Tahoe City. Comment
  JEPS109848  Arabis rectissima var. rectissima Dean W. Taylor 2005-7-15 19410 Placer Martis Peak, saddle 0.5 air miles E of the summit 2560 Comment
  UCD20193  Araucaria columnaris Jack McCaskill 1968-10-19 s.n. Placer Laguna Beach, in front of private residence, 1251 North Beach Highway. Comment
  UC1085341  Arceuthobium americanum Job Kuijt 1957-5-20 1343 Placer 9.2 mi n Tahoe City (on Hwy 89 along Truckee River) 1798 Comment
  UC1085346  Arceuthobium americanum Job Kuijt 1957-5-18 1332 Placer 3.5 mi n Tahoe City (on Hwy 89) 1798 Comment
  CAS-BOT-BC409995  Arceuthobium campylopodum Lowell Ahart 1972-6-28 s.n. Placer French Meadows 1524 Comment
  UCR170824  Arctostaphylos manzanita subsp. manzanita George K. Helmkamp, E. A. Helmkamp 2005-9-30 9942 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  CAS-BOT-BC24240  Arctostaphylos mewukka C. Hart Merriam 1911-11-5 s.n. Placer W. slope of Sierra Nevada. Gorge Station, CPRR. 1219 Comment
  CAS-BOT-BC24245  Arctostaphylos mewukka L. R. Abrams 1910-7-1 4992 Placer Near Blue Canyon on Union Pac. R.R. Comment
  CDA39032  Arctostaphylos mewukka D. G. Kelch 2011-10-3 11 .827-B Placer Tahoe City. Granlibakken Resort. Comment
  CAS-BOT-BC40044  Arctostaphylos nevadensis A. A. Heller 1917-6-17 12695 Placer Near the Yuba river below Cisco. 1676 Comment
  CAS-BOT-BC40048  Arctostaphylos nevadensis Belle R. Jackson 1932-6-1 s.n. Placer Donner Pass Comment
  UCD21474  Arctostaphylos patula Rex Palmer 1979-5-26 N 1 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  UCD21477  Arctostaphylos patula Rex Palmer 1979-5-27 N 64 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD52816  Arctostaphylos viscida D. H. Hartmann 1941-10-11 s.n. Placer 4 mi. west of Auburn. Comment
  SEINET7268690  Arctostaphylos viscida W. D. Billings 1940-5-18 1319 Placer Gold Run Comment
  CAS-BOT-BC47058  Arctostaphylos viscida subsp. viscida Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat. Comment
  CAS-BOT-BC47064  Arctostaphylos viscida subsp. viscida Gary D. Wallace 1974-12-21 1340 Placer Sierra Nevada, 1 mi. w. of Colfax. 658 Comment
  CAS-BOT-BC47068  Arctostaphylos viscida subsp. viscida C. Hart Merriam 1911-11-5 s.n. Placer Gorge Station, w. slope Sierra CPRR. 1219 Comment
  CDA16975  Arctostaphylos viscida subsp. viscida G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16028 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  RSA27884  Arctostaphylos viscida subsp. viscida C. L. Hitchcock 1940-5-14 6380 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UC565982  Arctostaphylos viscida subsp. viscida N. French 1934-6-1 396 Placer n fork of North Fork of America River Colfax Quadrangle 1402 Comment
  UC876563  Arctostaphylos viscida subsp. viscida Fay A. MacFadden 1934-3-25 12411 Placer Dutch Flat 1066 Comment
  SEINET3155287  Arenaria douglasii M. E. Jones sn Placer Emigrant Gap Comment
  CAS-BOT-BC82196  Arnica chamissonis Lewis S. Rose 1937-7-29 37612 Placer Tahoe Vista 1905 Comment
  CAS-BOT-BC82199  Arnica chamissonis Margaret Williams 1974-8-8 74 -P1-31 Placer [Murphy's] Murphy Meadow, 5 miles southeast of Hirschdale 2316 Comment
  CAS-BOT-BC82202  Arnica chamissonis Geo. B. Grant 1906-7-15 6993 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  UC1192154  Arnica chamissonis Malcolm A. Nobs and S. Galen Smith 1949-8-21 1514 Placer between Sandy Beach and Agate Bay Lake Tahoe Comment
  RSA417130  Arnica chamissonis subsp. foliosa L. S. Rose 1937-7-29 37612 Placer Tahoe Vista 1905 Comment
  UC193595  Arnica longifolia C. F. Sonne 1885-8-23 Placer n of Tinker's Knob ((e slope Anderson's Peak)); Anderson's Peak Comment
  JEPS35865  Arnica mollis C. F. Sonne 1887-8-7 378 Placer Sierra Nevada Mountains Comment
  CAS-BOT-BC85145  Arnica nevadensis C. F. Sonne 1897-7-1 s.n. Placer Mt. Anderson 2438 Comment
  UC197325  Arnica nevadensis C. F. Sonne 1897-7-1 Placer Mt. Anderson (e slope) Sierra Nevada Mountains 2438 Comment
  CDA13688  Arnica parryi G. F. Hrusa, J. Glazner 1997-8-3 14048 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  POM51123  Arnica parryi subsp. sonnei C. F. Sonne 1886-07 s.n. Placer Woods on Truckee River Comment
  UC1190075  Artemisia arbuscula George H. Ward and Ann Ward 1949-9-12 948 Placer ca. 8 mi n of Tahoe City (along Truckee River); Truckee River Comment
  UC193575  Artemisia arbuscula C. F. Sonne 1886-8-15 Placer mts. above Coldstream Comment
  JEPS126330  Artemisia douglasiana Steve Matson 2003-6-29 818 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 400 yards north of Highway 267 and along west side of Martis Creek. Comment
  UC193588  Artemisia dracunculus C. F. Sonne 1884-9-14 Placer road to Tahoe Comment
  UC193585  Artemisia norvegica subsp. saxatilis C. F. Sonne Placer mts. head of Bear Creek (on Truckee River); Truckee River, Bear Creek Comment
  UC1119383  Artemisia spiciformis B. Bolt 1934-8-23 197 Placer divide between Picayune and Grayhorse; Tahoe National Forest, Truckee Quad. 2438 Comment
  CAS-BOT-BC400748  Asarum lemmonii Marcus E. Jones 1882-6-29 3499 Placer Emigrant Gap Comment
  SEINET178467  Asclepias cordifolia Unknown 1882-6-30 2802 Placer Emigrant Gap. Comment
  SJSU2074  Asclepias cordifolia F. J. Santana 1958-5-10 77 Placer 2 mi SE of Auburn Comment
  UC1123520  Asclepias cordifolia G. T. Nordstrom 1934-6-20 125 Placer Mammoth Spring Tahoe National Forest, Colfax Quadrangle Comment
  UCD121256  Asclepias cordifolia Dr. Isabel McCracken 1935-6-2 s.n. Placer Near Auburn. Comment
  RSA331972  Asclepias cordifolia W. Wisura 1985-6-1 4051 Placer Nayak, near Emigrant Gap, along dead end rd. to railway siding, on rocks. 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
  UC1123570  Asclepias speciosa G. T. Nordstrom 1934-6-19 118 Placer 1/2 mi w of mouth Monumental Creek; Tahoe National Forest, Colfax Quadrangle Comment
  UCD121370  Asclepias speciosa C. J. W. 1913-7-2 176 Placer Emigrant Gap. Comment
  CDA16998  Aspidotis densa G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16051 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  SCFS11529135  Aspidotis densa E. Krimmel, F. Felix 2012-9-13 Placer NFAm, on trail. Tucked around rocks in shallow ravine. Comment
  UCD124137  Aspidotis densa Ellen Dean; Marcel Rejmanek 2012-10-9 7511 Placer Along Mosquito Ridge Road, ca. one road mile E of junction with Foresthill Road. 868 Comment
  CHSC73918  Aster alpigenus var. andersonii Susi Urie 1998-8-26 98 -102 Placer Lake Tahoe Basin Management Unit - National Forest. Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCR201892  Aster foliaceus var. parryi George K. Helmkamp, E. A. Helmkamp 2008-8-20 14025 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  CDA13698  Aster integrifolius G. F. Hrusa, J. Glazner 1997-8-3 14058 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UCR201515  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2008-8-20 14021 Placer Northern Sierra Nevada Mountains, Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  UCR206574  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2009-7-16 15201 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UCR231862  Aster oregonensis George K. Helmkamp, E. A. Helmkamp 2010-10-16 17024 Placer Northern Sierra Nevada Mountains Foothills, along Forest Route 24 at Parker Flat and beside Forbes Creek, 1.9 miles east (airline) of the Sugar Pine Reservoir dam 1180 Comment
  SCFS1172  Asteraceae E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Road at Chickering. Comment
  SCFS1203  Asteraceae E. Krimmel, F. Felix 2013-5-19 Placer NFAm. 0.1-m E. of Heath Falls overlook, in trail. Comment
  POM19452  Astragalus austiniae C. F. Sonne 1897-7-18 s.n. Placer Tinkers Knob. 2744 Comment
  CAS-BOT-BC177512  Astragalus austiniae Sherman Chickering 1982-7-13 s.n. Placer Summit of Tinkers Knob, south of Donner Summit 2743 Comment
  UC862943  Astragalus canadensis var. brevidens A. A. Heller 1917-8-13 12904 Placer near Summit Hotel; near Summit Hotel 2133 Comment
  UC170082  Astragalus canadensis var. brevidens Miss Helen D. Geis August 1912 Placer near Truckee; near Truckee Comment
  UCD105071  Astragalus lentiginosus S. S. Smith 1916-6 709 Placer Transition Squaw Valley. Comment
  UCD38786  Astragalus lentiginosus var. ineptus Beecher Crampton 1958-6-24 4950 Placer About 4 miles southeast of Truckee, eastern edge of Martis Valley. Placer-Nevada County line. Comment
  UCD105487  Astragalus whitneyi S. S. Smith 1916-6 442 Placer Near Timber Squaw Valley. Comment
  CHSC118009  Asyneuma prenanthoides G. K Helmkamp; E. A Helmkamp 2008-9-15 14114 Placer Northern Sierra Nevada Mountains: along Foresthill Road 20 miles northeast of the city of Forest Hill. 1707 Comment
  JEPS35131  Athyrium distentifolium var. americanum C. F. Sonne Aug 1887 324 Placer e slope Mt Anderson (above Coldstream); Sierra Nevada Mts 2590 Comment
  CDA37062  Avena barbata CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 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
  SEINET5336143  Avena barbata J. Solaegui 1977-3-19 s.n. Placer 3 mi. E of Auburn on Rt. 49 on dirt road immediately N of Highway 274 Comment
  SACT000402  Avena fatua D. Meyer 1983-10-22 Placer Searchlight ski run from base to Olympic Lady chairlift; Downhill ski area cleared of most vegetation, trees line edge; Straw added for erosion control 2121.0 Comment
  CAS-BOT-BC146153  Avena fatua Peter H. Raven 1954-4-16 6609 Placer 7 miles south of Lincoln on road to Roseville. Comment
  SACT000420  Avena sativa D. Meyer 1984-7-9 Placer pear and plum orchard 206.0 Comment
  CHSC46166  Azolla filiculoides Lowell Ahart 1975-3-16 708 Placer About 1/2 mile north-east of the intersection of Wise Road and McCortney Road, north-east of Lincoln. 41 Comment
  CHSC26005  Balsamorhiza hookeri James Henrickson 1969-5-25 3405 Placer 102 mi NE of Sacramento, 4 mi SE of Truckee along Hwy 267. 1828 Comment
  JEPS126383  Balsamorhiza hookeri Steve Matson 1998-5-17 199 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 yards north of airport creek, 100 yards south of Martis Dam Road; 5% slope. Comment
  JEPS32255  Balsamorhiza macrolepis Alice King 1920 Placer Rattlesnake Bend Comment
  UC761939  Balsamorhiza macrolepis R. F. Hoover 1939-5-10 4092 Placer Lincoln Comment
  CAS-BOT-BC100094  Balsamorhiza sagittata John H. Thomas; Hazelle A. Thomas 1956-7-21 6090 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD21699  Balsamorhiza sagittata Rex Palmer 1979-6-9 N 160 Placer Headwaters basin area of the North Fork of the American River Comment
  UC10261  Barbarea orthoceras C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  UCR208590  Barbarea verna George K. Helmkamp, E. A. Helmkamp 2009-5-11 14663 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill 1159 Comment
  CAS-BOT-BC75987  Berberis pumila L. S. Smith 1926-4-16 1774 Placer Tahoe Forest. Forest Hill Ridge. 1219 Comment
  CAS-BOT-BC75989  Berberis pumila C. Hart Merriam 1911-11-5 s.n. Placer Near Dutch Flat. Comment
  SACT002811  Betula pendula Josephine Van Ess 1977-10-7 Placer Collected in Jaeger Road at Mount Vernon Road the old Teagarden homestead. Abandoned homestead site, grassy slope. Comment
  UCD129571  Bidens frondosa G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12955 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UC30586  Blennosperma nanum var. nanum unknown 1865-4-13 4565 Placer Newcastle Comment
  UC136184  Boechera acutina C. F. Sonne 1897-7-4 Placer on road to Tahoe Bear Valley Comment
  CAS-BOT-BC16291  Boechera howellii C. F. Sonne 1887-7-1 s.n. Placer SIerra Nevada Mountains. Truckee River. Comment
  UCD22351  Boechera lyallii Rex Palmer 1979-7-12 N 644 Placer Headwaters basin area of the North Fork of the American River. Comment
  CHSC10542  Boechera platysperma Lowell Ahart 1962-7-13 Placer Ahart Camp, French Meadows. 1706 Comment
  UCD75740  Boechera platysperma Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5203 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, large turnabout/parking area with off-road vehicle use. 2207 Comment
  SEINET5323261  Botrychium multifidum M. J. Williams 1970-6-7 s.n. Placer Near Emigrant Gap. 1615 Comment
  SBBG123108  Boykinia occidentalis G. K. Helmkamp with E. A. Helmkamp 2007-5-30 12191 Placer Mosquito Ridge Rd, 13.5 mi E of its jct with Forest Hill Rd in Foresthill, between Mosquito Ridge Lookout and N Fork of Middle Fork American River 800 Comment
  UCR231879  Brassica geniculata George K. Helmkamp, E. A. Helmkamp 2010-10-16 17022 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  SEINET11195093  Brassica rapa J. Ridley 1959-3-29 4 Placer Open field 1 mile E of Hwy 89, 2 miles N of Roseville. 49 Comment
  SEINET5340929  Brassica rapa C. Fitz 1959-3-5 s.n. Placer Near Auburn, Hw. 40, profuse in fields and orchards. 396 Comment
  SEINET5340935  Brassica rapa W. D. Billings 1939-3-19 1197 Placer 7 miles northwest of Auburn. Comment
  JEPS21077  Brickellia californica L. T. Dempster 1958-8-10 1177 Placer Along banks of American River, near Auburn, 365 Comment
  SACT000456  Briza minor D. Meyer 1983-5-7 Placer roadside Comment
  UCD57385  Briza minor Ted Niehaus 1959-5-3 104 Placer 1/8 mile north of Granite Bay park. Folsom Lake. Comment
  CAS-BOT-BC145513  Briza minor Peter H. Raven 1954-4-16 6604 Placer 7 miles south of Lincoln on road to Roseville. Comment
  SDSU777  Briza minor unknown 1948-5-20 Placer Comment
  SEINET10835830  Briza minor Alan A. Beetle 1941-5-26 Beetle 2711 Placer Near Cisco, shrubby hillside, sandy loam. 914 Comment
  UC618204  Brodiaea appendiculata R. F. Hoover 1939-5-10 4089 Placer Lincoln Comment
  JEPS7635  Brodiaea elegans subsp. elegans W. H. Shockley Placer Auburn Comment
  UC1134031  Brodiaea elegans subsp. elegans G. T. Nordstrom 1934-6-21 144 Placer 2 mi w Mammoth Spring; Tahoe National Forest, Colfax Quadrangle Comment
  UC337865  Brodiaea elegans subsp. elegans unknown 1889-6-12 Placer near Blue Canyon Comment
  UCR249600  Brodiaea elegans subsp. elegans George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20829 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  SD236125  Brodiaea minor G. K. Helmkamp, E. A. Helmkamp 2008-4-17 13284 Placer Sacramento Valley: Ranch House Road, 0.2 mile southeast of Sheridan 36 Comment
  UCD77127  Brodiaea minor Robert E. Preston 2002-6-14 1817 Placer Auburn, along Dry Creek Rd, ca. 0.8 mi e of its jct with Hwy 49. 440 Comment
  UCD77124  Brodiaea nana Robert E. Preston 2003-5-6 2120 Placer Ca. 2.3 mi NW of Roseville, along Phillip Rd, 1.25 mi W of its jct with Fiddyment Rd 32 Comment
  JEPS45877  Bromus L. S. Smith 1928-7-18 2478 b Placer Tahoe National Forest, Whiskey Creek Trail Whiskey Creek Trail; Tahoe National Forest, Whiskey Creek Trail 2133 Comment
  UCD44481  Bromus arenarius C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1847 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SACT000486  Bromus arvensis D. Meyer 1983-8-7 Placer along Truckee River, east bank 1879.0 Comment
  SACT000378  Bromus breviaristatus Michael Baad 1976-8-7 Placer transect from Bear Lake to ridge northest of lake overlooking Cothurin Cove to the southwest 2072.0 Comment
  SACT000388  Bromus carinatus Michael Baad 1983-6-26 Placer 2.2 miles southeast, near Michigan Bluff Road. 1158.24 Comment
  SACT000390  Bromus carinatus James Grove 1977-7-5 Placer 2000.0 Comment
  SACT000517  Bromus carinatus 1983-8-7 Placer near gate into ski area parking lot, moist meadow with many sedges 2072.0 Comment
  UCD58263  Bromus carinatus August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  CAS-BOT-BC148724  Bromus carinatus var. marginatus R. F. Hoover 1967-9-7 10860 Placer Antone Meadow. Comment
  CAS-BOT-BC148725  Bromus carinatus var. marginatus Gordon H. True 1968-7-10 4368 Placer Highway 20 between Yuba Gap and Bear Valley, 1 mile east of Lake Bowman Road. 1554 Comment
  CHSC67739  Bromus carinatus var. marginatus Jame D. Jokerst 1986-7-13 2741 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, above Ted Beedy's 'El Cap'. Comment
  UCD59138  Bromus carinatus var. marginatus L. S. Smith 1928-7-15 XSV Placer Squaw Valley. 1828 Comment
  UCD59209  Bromus carinatus var. marginatus August L. Hormay 1932-7-8 s.n. Placer W side of Lake Tahoe, 6 miles S of Tahoe Tavern. Comment
  UCD59225  Bromus carinatus var. marginatus L. S. Smith 1918-6-28 643 Placer Carnelian Bay, Lake Tahoe. Comment
  CAS-BOT-BC155986  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer Near Cisco. 914 Comment
  UC1131186  Bromus diandrus G. T. Nordstrom 1934-6-20 124 Placer Tahoe National Forest, at Mammoth Springs Mammoth Springs; Tahoe National Forest, Mammoth Springs 1615 Comment
  CDA37199  Bromus hordeaceus CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 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
  CAS-BOT-BC155064  Bromus hordeaceus Peter H. Raven 1954-4-16 6606 Placer 7 miles south of Lincoln on road to Roseville. Comment
  SD112424  Bromus hordeaceus 1948-5-20 1892 Placer 456 Comment
  SACT000567  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-6-5 Placer roadside ditch 829.056 Comment
  UCD58852  Bromus inermis Beecher Crampton 1972-7-26 8850 Placer Carpenter Flat, east of Emigrant Gap. 1615 Comment
  CHSC74911  Bromus laevipes Susi Urie; Eric Schroder 1998-9-8 98 -288 Placer Lake Tahoe Basin-National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  SACT000559  Bromus laevipes Michael Baad 1977-6-8 Placer on the road between Forest Hill and French Meadows, roadside in serpentin-chaparral community Comment
  SEINET3817934 Image available Bromus laevipes George K. Helmkamp, E. A. Helmkamp 2012-5-5 18910 Placer Northern Sierra Nevada Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi SE (123degrees) of Clementine Dam on the American River (Auburn 7.5' Q. 396 Comment
  SACT000594  Bromus laevipes Josephine Van Ess 1978-5-16 Placer small open sloping areas among trees 378.0 Comment
  UC1131198  Bromus madritensis subsp. rubens C. R. Clar 1933-10-5 137 Placer e of Lincoln 60 Comment
  SACT000695  Bromus marginatus D. Meyer 1983-8-7 Placer moist, shady area, Louisiana Pacific Private Forest entrance 2000.0 Comment
  SACT000702  Bromus marginatus D. Meyer 1983-7-30 Placer Moist areas on both sides of road 2072.64 Comment
  SACT000703  Bromus marginatus Michael Baad 1976-7-22 Placer Ascent of south-facing slope of peak from trail to crest, red-fir forest and meadows 2377.0 Comment
  SACT000704  Bromus marginatus Michael Baad 1983-8-11 Placer 2133.6 Comment
  CAS-BOT-BC162163  Bromus orcuttianus Peter H. Raven 1956-8-4 9999 Placer Sierra Nevada. 1.0 mile from Blue Canyon on road to Emigrant Gap. Comment
  CAS-BOT-BC162166  Bromus orcuttianus L. S. Smith 1925-9-10 1727 Placer Tahoe Forest. Near Emigrant Gap. 1524 Comment
  SBBG117239  Bromus orcuttianus B. Crampton 1964-7-21 7126 Placer Blue Cyn 1430 Comment
  UCR151937  Bromus orcuttianus Beecher Crampton 1964-7-21 7126 Placer Sierra Nevada Mountains, Blue Canyon 1431 Comment
  UCD59244  Bromus orcuttianus L. T. Burcham; H. W. Miller 1962-7-31 s.n. Placer Upper middle fork of the American River. 1828 Comment
  UCD43082  Bromus porteri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 450 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET10523808  Bromus rigidus Alan A. Beetle 1941-5-26 Beetle 2718 Placer Near Cisco, shrubby hillside, sandy loam. Assoc. Festuca pacifica, megalura, Stipa lemmoni. 914 Comment
  SACT000720  Bromus rubens Josephine Van Ess 1976-4-14 Placer Collected on railroad embankment; dry slope 152.4 Comment
  SACT001000  Bromus rubens Michael Baad 1983-6-27 Placer 1219.2 Comment
  UCD36324  Bromus secalinus Beecher Crampton 1953-5-26 1337 Placer Placer County, 2 miles north of Lincoln, Sunnybrook Farm. Comment
  CDA16985  Bromus sterilis G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16038 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  SACT000678  Bromus sterilis Michael Baad 1983-4-17 Placer descending to middle fork of the American River. serpetine outcrop. 411.48 Comment
  SACT000765  Bromus tectorum Michael Baad 1983-7-10 Placer opening in pine forest with Wyethia on south-facing slope 1524.0 Comment
  SACT000776  Bromus tectorum D. Meyer 1983-6-18 Placer 1170.0 Comment
  CAS-BOT-BC185439  Calamagrostis breweri A. A. Heller 1903-8-10 7130 Placer Above Donner Pass. 2286 Comment
  CHSC74465  Calamagrostis canadensis Susi Urie; Eric Schroder 1998-9-11 98 -338 Placer Lake Tahoe Basin-National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CAS-BOT-BC85754  Calocedrus decurrens G. W. W. 1896-9-1 s.n. Placer Near summit Soda Springs Comment
  UC1479607  Calocedrus decurrens Roy Y. Berg 1965-1-10 RYB 8371 Placer 2 mi w of junction with Hwy. 40 Hwy 20; Emigrant Gap Area Comment
  UC669296  Calocedrus decurrens Annie M. Alexander and Louise Kellogg 1941-10-5 2645 Placer on n slope above Donner Lake 1798 Comment
  UCR176263  Calocedrus decurrens George K. Helmkamp, E. A. Helmkamp 2006-8-11 11211 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  SEINET5334885  Calocedrus decurrens R. Sumner 1949-4-15 107 Placer Tahoe Park, Lake Tahoe, Valley floor 1890 Comment
  SEINET8196119  Calochortus coeruleus M. J. Williams 1970-6-7 s.n. Placer Near Emigrant Gap. 1615 Comment
  UCD22048  Calochortus leichtlinii Beth Lowe Corbin 1982-8-4 233 Placer 1 1/8 miles NNW of Onion Creek Campground. 2194 Comment
  CAS-BOT-BC487951  Calochortus leichtlinii Alice Eastwood 1909-1-1 252 Placer Lake Tahoe, Deer Park Comment
  CAS-BOT-BC490164  Calochortus leichtlinii Lowell Ahart 1963-7-1 s.n. Placer Near Robinson Flat. 1828 Comment
  CAS-BOT-BC490165  Calochortus leichtlinii W. R. Dudley 1893-6-8 s.n. Placer Sandy Plains near Tahoe Comment
  SEINET3885470  Calochortus leichtlinii K. Thorne, J. Chandler 1987-6-26 5427 Placer Ca Hwy 267, 3.2 mi south of Brockway Summit.; 0 Comment
  CAS-BOT-BC483467  Calochortus minimus E. A. McGregor 1909-8-18 163 Placer Desolation Valley, Lake Tahoe region 2286 Comment
  POM260065  Calochortus monophyllus C. L. Hitchcock 1940-5-7 6311 Placer 1 mile west of Baxter Comment
  UCR208553  Calochortus monophyllus George K. Helmkamp, E. A. Helmkamp 2009-5-11 14668 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 2.7 miles south of its junction with Forest Hill Road. c. 0.15 mi. NNW of site of Michigan Bluff 1101 Comment
  UCR235591  Calochortus monophyllus George K. Helmkamp, E. A. Helmkamp 2012-5-5 18926 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  CAS-BOT-BC493401  Calochortus monophyllus L. Constance; J. L. Morrison 1938-4-30 2172 Placer At E. edge of Applegate, Sierra Nevada foothills 609 Comment
  SEINET5725032 Image available Calochortus monophyllus Betty Hess 1973-1 35 Placer 3.5 miles west of Foresthill on Foresthill-Colfax Road.; Foresthill Comment
  UC1134526  Calochortus superbus C. R. Clar 1933-6-21 136 Placer s of Dry Creek; Sacramento Quad. 426 Comment
  UC843706  Calochortus superbus C. L. Hitchcock 1940-5-15 6409 Placer 6 mi n Colfax Comment
  RSA121123  Calycadenia multiglandulosa subsp. bicolor N. H. French 1933-6-22 81 Placer North of Bald Rock Mountain 549 Comment
  POM30655  Calycadenia truncata subsp. truncata Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  JEPS126257  Calyptridium umbellatum Steve Matson 1998-6-24 292 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; middle fork of Snow Creek; north of Golf Course. Comment
  UCD22154  Calyptridium umbellatum Rex Palmer 1979-6-19 N 238 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD13325  Calystegia occidentalis Kristy S. Howard 1989-6-3 180 Placer Placer Co.; Dry Creek Rd, T12N, R8E, Sect. 16, SW 1/4. Elev. 1220 ft. 371 Comment
  UCR259879  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22462 Placer Sacramento Valley, Highway CA-193 (Lincoln-Newcastle Hwy) at the junction with Gold Hill Road, 3.8 miles northwest of US-80 114 Comment
  CDA19551  Calystegia vanzuukiae M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 243 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
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Jun 20 2014
  RSA0009457  Camassia quamash subsp. breviflora Marcus E. Jones 1902-6-27 s.n. Placer Placer County: Emigrant Gap Comment
  RSA750421  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2008-9-15 14114 Placer along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  SD243112  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2010-8-11 16758 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek (Foresthill 7.5'Q) 1082 Comment
  POM59079  Campanula prenanthoides Allen M. Carpenter s.n. Placer Placer Co. Comment
  UCD58753  Cardamine californica A. M. Shapiro 2007-4-30 s.n. Placer Drum Powerhouse Road (near Alta). 1005 Comment
  UCD22363  Cardamine cordifolia Beth Lowe Corbin 1982-8-19 381 Placer 1 3/4 miles SSW of The Cedars. Partial sun. Common. NE facing slope, 25% incline. In shallow stream in logged whtie fir forest. Flowers white. 1950 Comment
  UCR270279  Cardamine cordifolia John F. Emmel 2002-6-23 1756 Placer Sierra Nevada Mountains, northern Lake Tahoe region, Middle Martis Creek 2195 Comment
  UC855781  Cardamine cordifolia var. lyallii Alice Eastwood 1909-1 243 Placer Deer Park Lake Tahoe Region, Deer Park Comment
  POM296894  Carex Lyman Benson 1942-7-2 11254 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  POM81941  Carex Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
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Sep 7 2010
  UCD42793  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 159 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  JEPS99468  Carex amplifolia Steve Matson Jul 2001 494 Placer near junction of gas line forest service road and Griff Creek Tahoe Basin, Griff Creek watershed Comment
  UCD43141  Carex angustata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 509 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC70633  Carex athrostachya J. Burtt Davy Jun 25-30 1897 3267 Placer Truckee River Basin 2133 Comment
  CHSC106519  Carex capitata Peter F. Zika; Steve Matson 2009-8-21 24621 Placer Northern Sierra Nevada Highlands (n SNH). Snow Creek watershed, North Shore of Tahoe Basin, east beyond North Avenue, town of Kings Beach. 1920 Comment
  SEINET7484378 Image available Carex capitata P. F. Zika, Steve Matson 2009-1 24621 Placer Snow Creek watershed, North Shore of Tahoe Basin, east beyond North Avenue, town of Kings Beach, norther Sierra Nevada highlands (n SNH) 1920 Comment
  CHSC110727  Carex davyi Dean Wm. Taylor 2010-8-10 20990 B Placer Martis Peak, near the Nevada Line in the headwaters of Juniper Creek 2508 Comment
  CAS-BOT-BC34439  Carex deflexa var. boottii John Thomas Howell 1943-7-21 18645 Placer Donner Pass to Mt. Lincoln. Comment
  UCD140303  Carex feta Beecher Crampton 1958-6-24 4965 Placer Earl Morton Ranch, 3 miles west of Baxter. 1066 Comment
  SEINET1876647  Carex fracta David Keil 1978-7-23 K- 12946 Placer Cisco Grove exit from I-80, just E of Nevada Co. line Comment
  CDA33075  Carex fracta T. C. Fuller 1964-9-1 12571 Placer Sierra Nevada; North of freeway, Interstate 80 from Donner Summit, just east of Hampshire Rocks. Comment
  UC1133376  Carex helleri L. S. Smith 1927-8-12 2225 Placer Squaw Peak Ridge Truckee Quadrangle 2438 Comment
  CAS-BOT-BC20952  Carex heteroneura John H. Thomas; Hazelle A. Thomas 1956-7-21 6174 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  UCD74076  Carex heteroneura Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-28 174 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2218 Comment
  SEINET4231775 Image available Carex jonesii K. Chung, Matson, S 2009-1 1074 Placer Lake Tahoe, north side Comment
  UC830176  Carex jonesii Alice Eastwood Jun 15 1912-Jun 19 1912 472 Placer Tahoe City Lake Tahoe Region Comment
  UCD42856  Carex lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 223 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CHSC84736  Carex lenticularis var. lipocarpa L. P. Janeway; B. Castro 2003-8-23 7966 Placer Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake; 3.1 km south-southwest of Barker Pass. 2106 Comment
  POM81703  Carex lenticularis var. lipocarpa Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC32454  Carex luzulifolia var. strobilantha Amos Arthur Heller 1903-8-17 7187 Placer Above Donner Pass 2286 Comment
  CAS-BOT-BC9338  Carex mariposana Lewis S. Rose 1939-6-5 39218 a Placer Bear Valley, near Emigrant Gap 1371 Comment
  CHSC68061  Carex multicostata James D. Jokerst 1986-7-13 2703 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, camp area. Comment
  UCD42874  Carex multicostata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 241 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD42934  Carex multicostata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 303 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCR226140  Carex multicostata Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5139 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along Emigrant Trail on the north side of the north fork of Cold Creek, forest clearing off trail 2113 Comment
  CHSC74011  Carex nebrascensis Susi Urie 1998-8-18 98 -070 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74012  Carex nebrascensis Susi Urie 1998-8-18 98 -073 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  RSA122448  Carex nebrascensis H. S. Yates 1936-8-9 5994 Placer 2 miles southwest of Martis Peak. 2287 Comment
  UC1133411  Carex nebrascensis H. S. Yates 1936-8-9 5994 Placer 2 mi sw Martis Pk.; Truckee Quadrangle Comment
  UCD44595  Carex nebrascensis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1961 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD44439  Carex nervina C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1805 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD80257  Carex nudata CNPS SN Foothill Team 2005-4-13 SNFN 0107 b Placer Placer Legacy, on Didion Ranch, east of Spear's Ranch, on the north bank of Coon Creek, approximately 500 meters west of the east boundary of the study area. 143 Comment
  UC1133405  Carex pachycarpa N. French 1934-6-21 431 Placer nw end Lake Kid; Tahoe National Forest, Truckee Quadrangle Comment
  UCR120496  Carex pellita George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5062 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  UC809  Carex praegracilis H. N. Bolander 1865-4-11 4550 Placer near Auburn Comment
  CHSC72321  Carex scopulorum var. bracteosa L. P. Janeway 1998-9-18 6345 Placer Small meadow just below the Pacific Crest Trail about 2.4 mi north of Barker Pass; draining into North Fork Blackwood Creek. 2365 Comment
  SEINET7575126 Image available Carex senta Alice Eastwood, John Thomas Howell 1937-5-8 4362 Placer Between Newcastle and Penryn. Comment
  UCD77471  Carex serratodens Robert E. Preston 2002-6-14 1818 Placer Auburn, along Dry Creek Rd, ca. 0.8 mi e of its jct with Hwy 49. 440 Comment
  CDA13685  Carex simulata G. F. Hrusa, J. Glazner 1997-8-3 14045 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  RSA35101  Carex simulata J. T. Howell 1943-7-22 18696 Placer Summit Valley. Comment
  CAS-BOT-BC117695  Carex simulata James A. Neilson 1971-8-22 2372 Placer Near King's Beach. Comment
  CAS-BOT-BC117697  Carex simulata John Thomas Howell 1938-8-2 13999 Placer 5 mi N of Brockway Comment
  RSA20148  Carex stipata Alice Eastwood, John Thomas Howell 1937-5-8 4361 Placer Between Newcastle and Penryn. Comment
  UCD21841  Carex straminiformis Rex Palmer 1979-7-9 N 444 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC116554  Carex subfusca John Thomas Howell; Gordon H. True 1968-6-9 44517 Placer Alta. 1066 Comment
  CAS-BOT-BC116555  Carex subfusca R. F. Hoover 1967-9-7 10855 Placer Antone Meadow. Comment
  CAS-BOT-BC116557  Carex subfusca Peter H. Raven 1956-8-4 9983 Placer Moist place, Blue Canyon. 1432 Comment
  CDA19563  Carex subfusca M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 234 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  UCD43087  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 455 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
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Nov 18 2008
  UCD162534  Carex utriculata Steve Matson 1997-7-24 135 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork snow creek; near terminus of North Ave. dirt extension. 1908 Comment
  UCD43779  Carex utriculata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-5 1145 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N 2072 Comment
  UC1100568  Carex vesicaria Malcolm A. Nobs, S. Galen Smith 1949-8-21 1517 Placer n end Lake Tahoe (marsh between Sandy Beach and Agate Bay) Comment
  CAS-BOT-BC114926  Carex whitneyi Alice Eastwood 1912-6-15 474 Placer Deer Park, Lake Tahoe Region Comment
  RSA51981  Carex whitneyi L. S. Rose 1940-6-1 40451 Placer Truckee River, 3 miles NW of Tahoe City. 1890 Comment
  UCD140983  Carex whitneyi Mrs. H. P. Kelley 1915-6-23 s.n. Placer Squaw Valley. Comment
  UCD74112  Carex whitneyi Jennifer W. Burt 2005-7-13 3 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1928 Comment
  UCD74114  Carex whitneyi Jennifer W. Burt 2006-7-1 168 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from coniferous forest near abandoned ski runs. 2066 Comment
  UC830173  Carex whitneyi Alice Eastwood Jun 15 1912-Jun 19 1912 474 Placer Deer City Lake Tahoe Region Comment
  SACT002857  Castanopsis sempervirens Michael Baad 1977-6-2 Placer Collected on trailhead descending to North Fork of American River from south. 2 km northeast of westville and north of Forest Hill Divide Road. 853.0 Comment
  OBI9719  Castilleja applegatei Robert F. Hoover 1967-9-5 10830 Placer Carnelian Bay, Lake Tahoe Comment
  SEINET12328853  Castilleja applegatei J. H. Nishida 1985-1 771 Placer Homewood 1829 Comment
  CHSC24674  Castilleja applegatei subsp. martinii T. C. English 1976-4-18 36 Placer Located ca 100 yds sw of Hwy 49 2 mi e of Auburn cith limits. 335 Comment
  CAS-BOT-BC249699  Castilleja applegatei subsp. pinetorum Marcus E. Jones 1930-7-10 25530 Placer Lake Tahoe Comment
  CAS-BOT-BC249704  Castilleja applegatei subsp. pinetorum Alice Eastwood 1912-6-15 59 Placer Sunnyside, Lake Tahoe Region Comment
  CAS-BOT-BC249705  Castilleja applegatei subsp. pinetorum Alice Eastwood 1909-1-1 59 Placer Lake Tahoe Region, Sunnyside Comment
  CAS-BOT-BC518712  Castilleja applegatei subsp. pinetorum George K. Helmkamp; E. A. Helmkamp 2012-6-19 19212 Placer Northern Sierra Nevada Mountains Foothills: Mosquite Ridge Rd, 2.7 mi S of jct with Foresthill Rd 820 Comment
  UC1713294  Castilleja applegatei subsp. pinetorum Katharine Brandegee Jul 1911 Placer Donner 2133 Comment
  UC198250  Castilleja applegatei subsp. pinetorum Katharine Brandegee Aug 1917 Placer Donner Summit Comment
  CDA36915  Castilleja attenuata CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UC1586062  Castilleja attenuata Barbara Ertter with David Thompson 1989-4-8 8159 Placer near Auburn State Recreation Area entrance (Iowa Creek Road, ca 2 mi from I-80, at creek crossing) 518 Comment
  UCR173771  Castilleja foliolosa George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10717 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  SEINET14142515  Castilleja miniata M. J. Williams 1985-7-6 85- 61 -7 Placer Sierra Nevada, N of Lake Mary, near old Donner Summit [road]. 2286 Comment
  UC1063339  Castilleja miniata B. Bolt 1934-7-19 151 Placer 1.5 mi n Tadpole Spring; Tahoe Natonal Forest, Colfax Quad. 1889 Comment
  UC198552  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UC198557  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  CDA16053  Castilleja miniata subsp. miniata G. F. Hrusa, J. Glazner 2000-9-3 15660 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  CHSC74437  Castilleja miniata subsp. miniata Susi Urie; Eric Schroder 1998-9-9 98 -308 Placer Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1990 Comment
  UCD42894  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 262 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD44455  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1821 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC27239  Castilleja nana A. M. Carpenter 1893-8 Placer Comment
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Dec 11 2014
  UCD75752  Castilleja nana Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5219 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  CHSC40980  Castilleja pruinosa J. D. Jokerst 1984-6-23 2068 Placer Canyon of the Middle Fork Feather River in vicinity of road to the Placer County Power Agency powerhouse. 1158 Comment
  JEPS103927  Castilleja subinclusa subsp. subinclusa T. I. and F. M. Chuang 1991-6-29 7839 Placer 3.6 mi SW of Iowa Hill, on road to Iowa Hill. Comment
  UCR194930  Castilleja subinclusa subsp. subinclusa George K. Helmkamp, E. A. Helmkamp 2007-5-18 12013 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  CHSC73999  Castilleja tenuis Susi Urie 1998-9-1 98 179 A Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  POM126437  Ceanothus X lorenzenii C. F. Sonne 1892-07 s.n. Placer Downe Lake, R Hills on road to Tahoe Comment
  UCD162758  Ceanothus arcuatus Dylan O. Burge; J. Bisbee 2014-5-25 1637 Placer Soda Springs Road. 2009 Comment
  CAS-BOT-BC47856  Ceanothus cordulatus M. E. Parsons 1909-6-1 s.n. Placer Aspengrove Comment
  CAS-BOT-BC47859  Ceanothus cordulatus Alice Eastwood 1912-6-15 493 Placer Lake Tahoe Region - Deer Park Comment
  RSA0053704  Ceanothus cordulatus G. K. Helmkamp, E. A. Helmkamp 2012-6-19 19222 Placer Northern Sierrra Nevada Mountains: Devil's Thumb Rd (Deadwood Rd), 1.2 mi S of its jct with Foresthill Rd 1648 Comment
  UC1070954  Ceanothus cordulatus N. French 1933-9-14 98 Placer Greek Store Colfax quad, Tahoe National Forest 1676 Comment
  UCD22207  Ceanothus cordulatus Rex Palmer 1979-5-26 N 26 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC49068  Ceanothus cuneatus Brandegee 1889-1-1 76 Placer Blue Canyon Comment
  SEINET5339267  Ceanothus cuneatus C. Bell 1962-3-17 36 Placer 2 mi. east of Auburn; above north fork of American River. 244 Comment
  UC1071061  Ceanothus cuneatus var. cuneatus H. R. Josephson 1933-7-8 35 Placer Sugar Pine Mt., Smartsville quad. 670 Comment
  JEPS26853  Ceanothus fresnensis L. S. Smith 1931-8-27 2631 Placer near French Meadow (on divide betw Middle Fork American River and Long Canyon) 1981 Comment
  UCD22202  Ceanothus fresnensis Rex Palmer 1979-5-26 N 4 Placer Headwaters basin area of the North Fork of the American River 2011 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
  CAS-BOT-BC50752  Ceanothus integerrimus H. E. McMinn 1926-5-28 1741 Placer 10 miles N.W. of Auburn, along highway from Auburn to Grass Valley Comment
  SBBG51061  Ceanothus integerrimus N. R. Zabriskie 1973-4-7 667 Placer Emigrant Gap,off Interstate 80 W of Donner Pass Comment
  UC1070727  Ceanothus integerrimus N. French 1933-5-5 39 Placer American River Colfax quad. 609 Comment
  UC18350  Ceanothus integerrimus Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC50761  Ceanothus integerrimus Eleanor C. Still 1964-5-14 s.n. Placer Near the American River Comment
  SACT002927  Ceanothus integerrimus Michael Baad 1976-6-3 Placer Descending towards Middle Fork of American River on road from Forest Hill to French Meadows. 1.5 miles east of Forest Hill. Comment
  CAS-BOT-BC51154  Ceanothus lemmonii J. Walker 1941-5-11 107 Placer 35 miles past Auburn on Highway 40 on road to Lake Tahoe Comment
  SBBG26946  Ceanothus lemmonii C. L. Hitchcock 1927-5-7 6327 Placer ca. 1 mi W of Baxter Comment
  UC1070800  Ceanothus lemmonii C. R. Clar 1933-5-11 117 Placer 3 mi e Weimer; Colfax quad. 609 Comment
  UC634625  Ceanothus lemmonii H. L. Mason 1926-5-29 3285 Placer near Alta (Donner Pass) Comment
  UC870591  Ceanothus lemmonii C. L. Hitchcock 1940-5-7 6327 Placer ca 1 mi w Baxter Comment
  CAS-BOT-BC63353  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  POM204426  Ceanothus tomentosus Hamilton Peers 1933-5-12 s.n. Placer Colfax Comment
  POM86930  Ceanothus tomentosus Katherine Brandegee 1908-06 s.n. Placer Near Cape Horn. Comment
  RSA264955  Ceanothus tomentosus Wyrick 1975-4-27 9633 Placer near Cape horn near Colfax 793 Comment
  UC1071434  Ceanothus tomentosus J. E. Sowder, R. W. Lundh 1933-4-26 56 Placer 3 mi sw Gold Run; Colfax Quad. Comment
  UCD112836  Ceanothus velutinus T. I. Storer 1925-7-23 543 Placer Lake Tahoe. Comment
  CAS-BOT-BC63178  Ceanothus velutinus var. velutinus Julia McDonald 1914-6-1 s.n. Placer Homewood. Comment
  CDA17969  Centaurea diffusa S. Schoenig 1999-10-12 PDR 1142336 Placer Sierra Nevada; Hwy 89 betw. Tahoe City & Homewood. 0 Comment
  CDA19809  Centaurea maculosa R. Breckenridge 1998-7-22 PDR 389788 Placer Sierra Nevada; Squaw Valley entrance road, 0.1 mi to tennis court. 0 Comment
  RSA755303  Centaurea maculosa George K. Helmkamp, E. A. Helmkamp 2009-8-12 15421 Placer Forest Hill road, 14.0 miles northeast of the city of Foresthill 1564 Comment
  SEINET2441556  Centaurea maculosa George K. Helmkamp, E. A. Helmkamp 2009-8-12 15421 Placer Sierra Nevada Mountains: Forest Hill road, 14.0 miles northeast of the city of Foresthill (Westville 7.5' Q.). 1564 Comment
  UCR258194  Centaurea solstitialis George K. Helmkamp, Elizabeth Helmkamp 2012-10-13 20020 Placer Sacramento Valley, Granite Bay, Folsom Lake; Park Road 1.8 miles north of the east end of Douglas Blvd. 146 Comment
  CAS-BOT-BC443965  Centaurium tenuiflorum C. Rose Broome 1978-8-2 2308 Placer 2.1 mi. S of Old Auburn on Auburn - Folsom Hwy. Comment
  UCD130210  Centromadia pungens R. Tofsrud Date Unknown s.n. Placer County Unknown. Comment
  CAS-BOT-BC222948  Cephalanthus occidentalis Carl B. Wolf 1930-10-11 1734 Placer 2 miles below Auburn, along Auburn Ravine 365 Comment
  CAS-BOT-BC388156  Cerastium fontanum Geo. B. Grant 1906-7-15 6984 Placer Tahoe Tavern Lake Tahoe Comment
  CAS-BOT-BC207587  Cercis occidentalis Marcus E. Jones 1882-7-4 3572 Placer Colfax Comment
  SBBG29887  Cercis occidentalis C. L. Hitchcock 1940-5-14 6411 Placer Meier Ranch, ca. 6 mi N of Colfax 762 Comment
  CAS-BOT-BC276718  Chaenactis douglasii var. douglasii Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region Comment
  JEPS59467  Chaenactis douglasii var. douglasii Ezra Brainerd and Viola B. Baird 1915-7-27 204 Placer Bear Rock Sierra Nevada Mts., Truckee River 1889 Comment
  UCD149381  Chaenactis nevadensis G. Ledyard Stebbins 1969-7-20 6949 Placer Ridge south of the North Fork of the American River, between Sailor Canyon and Wildcat Canyon. (Exact location unknown. Coordinates estimated by label maker.) 1950 Comment
  CAS-BOT-BC277776  Chaenactis nevadensis C. F. Sonne 1887-8-7 s.n. Placer Sierra Nevada Mountains. Mts. above Coldstream (near Summit) 2590 Comment
  NY163286  Chaenactis rubricaulis H. A. Walker 1910-6-22 176 Placer Deer Park, in the Sierra Nevada 1970 Comment
  UCD159406  Chaenactis stevioides D. S. Park 2010-7-7 177 -1 Placer Along N Lake Blvd. Bike trail near Lake Tahoe. Recent Fire. 1900 Comment
  CAS-BOT-BC141724  Chamaebatia foliolosa C. L. Hitchcock 1940-5-7 6323 Placer ca. 1 miles west of Baxter Comment
  CAS-BOT-BC141725  Chamaebatia foliolosa Nancy Ryan Zabriskie; Walter Zabriskie 1973-6-7 669 Placer Emigrant Gap (off I80 W of Donner Pass) - Sierra Nevada Mts. 1615 Comment
  CAS-BOT-BC141727  Chamaebatia foliolosa C. Hart Merriam 1911-11-5 s.n. Placer Colfax Comment
  CDA19578  Chamaebatia foliolosa M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 252 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  RSA647586  Chamaebatia foliolosa N. R. Zabriskie, W. M. Zabriskie 1973-6-7 669 Placer Emigrant Gap. 1616 Comment
  SEINET3025876  Chamaebatia foliolosa Marcus E. Jones 1882-6-28 3297 Placer Emigrant Gap. Comment
  UCD16120  Chamaebatia foliolosa Collector unknown 1984-5-12 Placer California. Placer County: 10 mi SE of Auburn on Forest Hill Rd. 609 Comment
  UCD40934  Chamaebatia foliolosa Sook Hong 1989-5-20 15 Placer Forest Hill. 2 miles from Mosquito Ridge. 554 Comment
  SEINET3392251  Chamaebatia foliolosa Unknown 1982-1 Placer Foothill of spring garden rd Comment
  SEINET6336151  Chamaebatia foliolosa W. D. Billings 1940-5-18 1318 Placer Area around Placer mines Gold Run Comment
  CDA35254  Chamaesyce ocellata T. C. Fuller 1958-7-7 1998 Placer 2 miles north of Roseville. 0 Comment
  UCD43132  Chamaesyce serpyllifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 500 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC570786  Chamaesyce serpyllifolia H. L. Mason 1929-10-4 5456 Placer 4 mi below Colfax Comment
  UCD103688  Chamerion angustifolium subsp. circumvagum L. M. Sparks 1912-8-4 64 Placer Glen-Alpine. Lake Tahoe. 2103 Comment
  CAS-BOT-BC70196  Cheilanthes gracillima Geo. B. Grant 1906-7-15 7143 Placer About Lake Tahoe 2438 Comment
  CAS-BOT-BC426338  Chenopodium atrovirens John Thomas Howell 1943-7-26 18848 Placer Mt. Lincoln Comment
  UC1136397  Chenopodium atrovirens B. Bolt 1934-7-19 147 Placer Tadpole Spring Tahoe National Forest, Colfax Quadrangle (Plot No. 233) Comment
  UCR171344  Chenopodium botrys George K. Helmkamp, E. A. Helmkamp 2005-10-1 9987 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  UCD75691  Chimaphila menziesii Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5140 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  CAS-BOT-BC451471  Chimaphila umbellata Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  UCD57931  Chloris verticillata Beecher Crampton 1967-8-21 8178 Placer Interstate Hwy. 80 W, Douglas Blvd. exit, 1.5 miles SSE Roseville. Comment
  CDA37235  Chondrilla juncea CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR109650  Chondrilla juncea T. C. Fuller 1967-5-3 15764 Placer Sierra Nevada Foothills, corner of overpass of Interstate 80, Penryn Comment
  UCR176255  Chondrilla juncea George K. Helmkamp, E. A. Helmkamp 2006-8-11 11206 Placer Northern Sierra Nevada Mtns foothills, along connecting road joining Forest Hill Rd. with the Calif. Hwy 49 crossing of American River 396 Comment
  CDA33066  Chondrilla juncea CDFA staff Placer Rocklin. 0 Comment
  SEINET13331380 Image available Chondrilla juncea P. C. Martinelli, A. L. Rivers, R. Uriarte 1965-10-29 s.n. Placer Horseshoe Bar Road Comment
  CAS-BOT-BC36354  Chrysolepis sempervirens George B. Grant 1906-8-1 7039 Placer About Lake Tahoe 2438 Comment
  CDA21152  Chrysolepis sempervirens G. F. Hrusa 1993-11-3 11469 Placer Sierra Nevada; Placer Big Trees Redwood Grove. 1676 Comment
  UCR190225  Cichorium intybus George K. Helmkamp, E. A. Helmkamp 2007-9-14 12949 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  SACT000749  Cinna latifolia D. Meyer 1984-7-29 Placer 1661.0 Comment
  SCFS11529157  Circaea alpina E. Krimmel 2014-7-5 Placer Cobbles in bed of Onion Creek near confluence with NFA Comment
  UCD21997  Circaea alpina subsp. pacifica Beth Lowe Corbin 1982-8-6 261 Placer 1/8 mile W of Onion Creek campground. In fine, sandy soil along stream's edge. Flowers white. Mostly shade. SW facing slope, 10% incline. Uncommon. 1844 Comment
  SEINET12189143  Circaea alpina subsp. pacifica J. A. Shafer 1884-1 s.n. Placer Comment
  CAS-BOT-BC289612  Cirsium andersonii Mary P. Wells 1980-9-12 s.n. Placer West of Pioneer Way Tahoe City 1981 Comment
  CHSC11047  Cirsium andersonii Lowell Ahart 1966-8-12 Placer Near French Meadows. 1676 Comment
  SCFS1026  Cirsium andersonii F. Felix 2014-7-5 Placer Between Onion and Cedar Creeks, on terrace above NF channel Comment
  UCD130514  Cirsium andersonii G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12650 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  CAS-BOT-BC439031  Cistanthe monosperma Mrs. Chas. E. Miller 1916-8-30 s.nk. Placer Emigrant Gap Comment
  CAS-BOT-BC439029  Cistanthe monosperma Miss. H. A. Walker 1908-6-23 1207 Placer Blue Canon [Canyon] Station, in the Sierra Nevada 1470 Comment
  CAS-BOT-BC228889  Cistanthe umbellata John H. Thomas; Hazelle A. Thomas 1956-7-21 6157 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC228893  Cistanthe umbellata Barry Hammel; Teddi Hammel 1976-5-27 232 Placer Ca. 1 mile on rd. off I-80 near mile post 170 1737 Comment
  CAS-BOT-BC162650  Clarkia Saichi Kawahara 1969-7-6 1461 Placer East bank of Indian Creek, Mel Henderson Ranch 1002 Comment
  UC567140  Clarkia biloba C. R. Clar 1933-5-6 115 Placer near Newcastle; Smartsville Quadrangle 182 Comment
  UCD104313  Clarkia biloba L. D. Gottlieb 1988-6-29 8837 Placer E of Colfax, on Iowa Hill Road, 1.6 miles E of Canyon Road. Comment
  SD247463  Clarkia biloba subsp. biloba George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20827 Placer Northern Sierra Nevada Mountains Foothills: junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill (Colfax 7.5'Q) 462 Comment
  CAS-BOT-BC172410  Clarkia biloba subsp. brandegeeae A. A. Heller 1917-6-19 12746 Placer 4 miles east of Colfax Comment
  UCD104325  Clarkia biloba subsp. brandegeeae Ellen Dean 2006-5-22 3140 Placer Above north fork of the American River, east of Foresthill Bridge, along Upper Lake Clementine Road nearing the bottom (river end) of the road. 308 Comment
  UCD147101  Clarkia biloba subsp. brandegeeae Chuck Hughes 2013-6-6 385 Placer Near margin of Camp Far West Reservoir. 6 Comment
  UC2046128  Clarkia cylindrica subsp. cylindrica Neal Kramer 2015-6-12 2147 Placer Rincon Canyon, Eldorado NF Comment
  CAS-BOT-BC163361  Clarkia purpurea subsp. purpurea W. A. Weber; Lewis S. Rose 1953-5-19 8384 Placer 5 mi. n. of Roseville on road to Lincoln 45 Comment
  UCSB4300  Clarkia purpurea subsp. quadrivulnera Constance, Lincoln 1941-5-28 Placer Two miles north of Lincoln; Sacramento Valley 60 Comment
  SEINET3260811 Image available Clarkia purpurea subsp. viminea Marcus E. Jones 1882-7-3 3341 Placer Colfax. Comment
  UCR218445  Clarkia purpurea subsp. viminea George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16424 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  CAS-BOT-BC164735  Clarkia rhomboidea Marcus E. Jones 1882-6-30 2719 Placer Emigrant Gap Comment
  UC1122463  Clarkia unguiculata N. French, R. Clar 1933-6-5 20 Placer Middle Fork American River Sacramento Quadrangle Comment
  UCD150639  Clarkia xantiana Barbara Rodeheaver 1973-5-27 87 Placer Two miles E intersection Hwy. 49 on Foresthill Rd. 457 Comment
  UC1585857  Claytonia exigua subsp. exigua Barbara Ertter with David Thompson 1989-4-8 8171 Placer Iowa Creek Road near Auburn State Recreation Area entrance (at creek crossing, about 2 mi from I-80) 518 Comment
  JEPS43378  Claytonia parviflora subsp. grandiflora W. L. Jepson 1938-4-5 18585 Placer 2 mi e Auburn (near North Fork American River) Comment
  UCR250646  Claytonia parviflora subsp. grandiflora George K. Helmkamp, Mary Alice Barnes 2013-4-18 20378 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UC198907  Claytonia parviflora subsp. parviflora C. F. Sonne Jun 1896 Placer near Truckee Comment
  CAS-BOT-BC443631  Claytonia perfoliata subsp. perfoliata Catherine A. Toschi 1963-3-23 63 :82 Placer 3 miles east of Auburn on the American River 396 Comment
  CAS-BOT-BC443738  Claytonia rubra subsp. rubra W. R. Dudley 1900-6-29 s.n. Placer Near Tahoe City Comment
  CAS-BOT-BC443740  Claytonia rubra subsp. rubra Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  SBBG69764  Claytonia rubra subsp. rubra M. N. Ackley -Jun-1925 783 Placer Gold Run 983 Comment
  SEINET3159399  Collinsia G. B. Grant 1906-1 6949 Placer about Lake Tahoe 2438 Comment
  SEINET13394134  Collinsia heterophylla E. F. Erskine 1941-4-13 8 Placer 2 miles E of Roseville. 76 Comment
  UC138744  Collinsia heterophylla Anna King 1902-5-11 Placer Newcastle Comment
  POM259992  Collinsia parviflora C. Leo Hitchcock 1940-5-14 6395 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UC885576  Collinsia parviflora A. A. Heller 1917-6-17 12715 Placer below Cisco (near Yuba River) 1676 Comment
  UCD162573  Collinsia parviflora Steve Matson 1998-5-3 193 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 0.9 miles north of Highway 267; 200 yards north of bridge over East Martis Creek. 1780 Comment
  UC26648  Collinsia sparsiflora var. collina H. N. Bolander 1865-4-10 4507 Placer Auburn Comment
  UC885593  Collinsia tinctoria Marcus E. Jones, A. M. 1882-7-3 3433 Placer Colfax Comment
  OBI49270  Collinsia torreyi Lewis S. Rose 1940-6-2 40456 Placer Truckee River, 10 mi N of Tahoe City 1829 Comment
  HSC20610  Collinsia torreyi R. G. Means 1962-6-28 50 Placer N end Lake Tahoe, near Placer County Admin. Bldg. 1921 Comment
  JEPS7270  Collinsia torreyi var. brevicarinata L. S. Smith 1925-6-23 1645 Placer Blackwood Canyon; Tahoe Forest 1981 Comment
  UCD21869  Collinsia torreyi var. wrightii Rex Palmer 1979-6-9 N 167 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  UC495571  Collinsia torreyi var. wrightii Merle Randall 1930-6-17 Placer w of Donner Lake (above Cisco, Big Bend Ranger Station); Big Bend Ranger Station 1767 Comment
  RSA411136  Collomia grandiflora Fay A. MacFadden 1934-6-28 12711 Placer Dutch Flat Comment
  SEINET8729294 Image available Collomia grandiflora Lewis S. Rose 1937-1 37611 Placer Tahoe Vista. 1905 Comment
  RSA0039072  Collomia heterophylla George K. Helmkamp, Mary Alice Barnes 2013-5-3 20473 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  UCD118185  Collomia heterophylla J. M. Tucker 1975-5-24 4351 Placer Ca. 100 yards E of junction of Spring Garden Road with Auburn-Foresthill Road (or 3.7 miles W of Foresthill). 762 Comment
  UCR193599  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 2007-5-30 12180 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  UCD118257  Collomia tinctoria Daryl Koutnik; Thomas Lanini, Thomas Wainwright 1978-10-19 s.n. Placer West end of Ward Valley in Lake Tahoe Basin. 1889 Comment
  SCFS5067  Convolvulus arvensis E. Krimmel 2014-6-26 Placer Above NF American river, on north side not far above Heath Falls overlook Comment
  UCD22692  Corallorhiza maculata Teresa Do 1990-5-19 15 Placer Butterfly Valley. 1097 Comment
  JEPS6795  Cordylanthus tenuis subsp. tenuis W. L. Jepson 1918-8-20 8075 Placer Lake Tahoe Tahoe City 1905 Comment
  JEPS88781  Cordylanthus tenuis subsp. tenuis T. I. Chuang and F. M. Chuang 1990-8-11 7820 Placer Gold Run Comment
  LA83022  Cordylanthus tenuis subsp. tenuis O. H. Kappler; 1946-7-18 1313 Placer Homewood, Lake Tahoe 1920 Comment
  SEINET3245663  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp, E. A. Helmkamp 2009-1 15424 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles northeast of the city of Foresthill (Duncan Peak 7.5') 1661 Comment
  SEINET3386356 Image available Cordylanthus tenuis subsp. tenuis G. K. Helmcamp, E. A. Helmkamp 2006-8-11 11212 Placer Northern Sierra Nevada Mtn Foothills: along Forest Hill Rd, 8.7 mi NE of Forest Hill 1311 Comment
  UCD123161  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12629 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  UCR176081  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2006-8-11 11212 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  UCR189638  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2007-7-27 12629 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  UCR206591  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2009-7-16 15203 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  CAS-BOT-BC287162  Coreopsis stillmanii Volney Rattan 1865-1-1 s.n. Placer Auburn Comment
  HSC6412  Cornus nuttallii R. A. Magie 1964-6-12 105 Placer 3 mi. W of Hwy. 40 on Hwy. 20, 100 ft. W of Nevada Co. line. 1768 Comment
  POM77767  Cornus nuttallii Marcus E. Jones 1900-7-26 s.n. Placer Blue Canyon Comment
  UCD14939  Cornus nuttallii John Warren 1977-6-4 44 Placer California, Placer Co.; 3.2 miles northwest of the junction with Interstate-80 along Highway 20; Comment
  CDA37454  Cornus sericea subsp. sericea Misty Hailstone 2011-10-3 s.n. Placer Tahoe City. Granlibakken Resort. Comment
  UC1122810  Cornus sericea subsp. sericea N. French 1933-9-14 99 Placer Greek Store Tahoe Nat'l Forest, Colfax Quad., Greek Store Comment
  UCR170809  Cornus sericea subsp. sericea George K. Helmkamp, E. A. Helmkamp 2005-9-30 9934 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  UCR189635  Cornus sericea subsp. sericea George K. Helmkamp, E. A. Helmkamp 2007-7-27 12632 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  CAS-BOT-BC210550  Cornus sessilis G. R. Vasey 1880-10-1 s.n. Placer Auburn Comment
  CDA39023  Coronilla varia D. G. Kelch 2011-10-3 11 .818 Placer Tahoe City. Granlibakken Resort. Comment
  POM148858  Corydalis caseana C. F. Sonne 1895-07 s.n. Placer Ravine on Truckee River, Sierra Nevada Comment
  CAS-BOT-BC427940  Crassula tillaea John Thomas Howell; Gordon H. True 1972-3-17 7085 Placer Northern outskirts of Lincoln 48 Comment
  UCD21712  Crepis Rex Palmer 1979-6-9 N 130 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  CAS-BOT-BC290351  Crepis acuminata Geo. B. Grant 1906-7-15 7020 Placer Tahoe Tavern, Lake Tahoe Comment
  JEPS126421  Crepis acuminata Steve Matson 1997-7-19 81 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west from Tiger Ave. to west Fork of Snow Creek. Comment
  CAS-BOT-BC376520  Crepis bakeri subsp. bakeri A. A. Heller 1917-6-19 12742 Placer Emigrant Gap 1615 Comment
  JEPS111225  Crepis occidentalis Steve Matson 2005-7-3 1351 Placer Martis Valley, southeast of Truckee, National Recreation Area (Army Corps of Engineers), north of Highway 267 and west of Martis Creek. 39.3054 N, 120.1182 W; elevation 5835 ft. 1778 Comment
  UC31318 Image available Crepis occidentalis Kellogg 1870-6-18 Placer Camp Yuba Sierra Nevada, Cisco; Camp Yuba, Cisco, Placer Co., Sierra Nevada Mts. Comment
  CAS-BOT-BC290734  Crepis occidentalis subsp. conjuncta Alice Eastwood 1912-6-15 460 Placer Tahoe City, Lake Tahoe Region Comment
  CAS-BOT-BC290735  Crepis occidentalis subsp. conjuncta Alice Eastwood 1909-1-1 251 Placer Lake Tahoe Region. Deer Park Comment
  CAS-BOT-BC376453  Crepis occidentalis subsp. conjuncta G. L. Stebbins 1969-7-20 6948 Placer Ridge south of North Fork, American River, between Sailor Canyon and Wildcat Canyon 1950 Comment
  UCR219648  Croton setiger George K. Helmkamp, E. A. Helmkamp 2010-6-26 16370 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UC1178527  Cryptantha affinis Malcolm A. Nobs 1950-9-24 Placer e slope Squaw Peak 1828 Comment
  JEPS71507  Cryptantha echinella Gladys L. Smith 1972-6-20 3239 Placer Ward Peak, ridge from chairlift terminus to ultimate summit peak Ward Peak 2632 Comment
  SEINET5777371 Image available Cryptogramma acrostichoides Marcus E. Jones 1882-1 Placer Emigrant Gap 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
  CHSC82706  Cuscuta californica var. breviflora Lowell Ahart 2002-7-22 9885 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  JEPS126373  Cuscuta californica var. californica Steve Matson 2003-9-6 952 Placer nSNH: Truckee River watershed, SW of Truckee; Alpine Meadows Ski Area 50 yards SE of Kangaroo Chairlift to tower. Comment
  SCFS1192  Cymopterus terebinthinus E. Krimmel 2014-4-21 Placer NFAm. 200 yards south of Pt. Mariah warming hut Comment
  SEINET4560771  Cymopterus terebinthinus var. californicus George K. Helmkamp, E. A. Helmkamp 2010-1 16665 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat. 2040 Comment
  SEINET12568146  Cynoglossum grande F. Brunetti 1962-3-17 s.n. Placer Above North Fork of American River, 2 miles E of Auburn. 274 Comment
  UC193939  Cynoglossum occidentale C. F. Sonne 1887-7-10 Placer between Truckee and Tahoe (on rd. to Tahoe) Comment
  CAS-BOT-BC190357  Cynosurus echinatus Saichi Kawahara 1969-7-6 1415 Placer West of old cabin, Mel Henderson Ranch, Indian Creek. 999 Comment
  SACT000851  Cynosurus echinatus Michael Baad 1983-5-5 Placer On Yankee Jim Road. South side of River. Comment
  UCD60135  Cynosurus echinatus Beecher Crampton 1955-6-15 2920 Placer 8 miles west Forest Hill. Comment
  SACT000859  Cynosurus echinatus 1930-5-29 Placer No determiner/collector available. Comment
  POM111775  Cyperus eragrostis I. E. Diehl 1902-7-7 55 Placer Colfax Comment
  CAS-BOT-BC114547  Cyperus eragrostis Mrs. H. C. Cantelow 1938-7-2 2260 Placer 8 mi. N of Auburn. Comment
  RSA92351  Cyperus niger var. capitatus Beecher Crampton 1952-11-9 922 Placer About 1.5 miles south of Meadow Vista, 6 miles east of Auburn Comment
  CHSC74016  Cyperus squarrosus Susi Urie 1998-8-17 98 -053 Placer Lake Tahoe Basin Management Unit. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CAS-BOT-BC70580  Cystopteris fragilis Alice Eastwood 1912-6-15 414 Placer Deer Park, Lake Tahoe Region Comment
  POM281768  Cystopteris fragilis W. W. Eggleston 1927-8-12 21628 Placer Ward s Creek, base of Twin Peaks Tahoe Forest 2100 Comment
  UCD75757  Cystopteris fragilis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5227 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  CAS-BOT-BC198184  Cytisus scoparius M. F. Wojciechowski 2002-6-25 1000 Placer Roadside along US interstae highway I-80, near Dutch/Flat Gold Run exit. 944 Comment
  SEINET5327059  Cytisus scoparius A. Allen 1950-4-29 25 Placer Halfway between Loomis and Folsom on Folsom road 91 Comment
  POM113017  Dactylis glomerata Marcus E. Jones 1882-5-27 s.n. Placer Emigrant Gap [county not indicated on specimen label] Comment
  POM364994  Dactylis glomerata L. S. Rose 1944-7-12 44092 Placer Chambers Lodge, Lake Tahoe 1921 Comment
  SACT000867  Dactylis glomerata Michael Baad 1977-6-2 Placer End of road. 8.5 miles southwest of junction of Deadwood and Forest Hill Divide Road. 666.0 Comment
  SACT000871  Dactylis glomerata D. Meyer 1983-6-25 Placer 1636.0 Comment
  RSA21281  Damasonium californicum Carl B. Wolf 1937-5-12 8625 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  SACT000889  Danthonia californica D. Meyer 1984-7-15 Placer Moist mountain meadow. 1909.0 Comment
  SACT000892  Danthonia californica var. americana Josephine Van Ess 1974-8-10 Placer Collected on the path to the Castle Creek, Old Soda Springs Road. North of Highway 80. 2085.0 Comment
  UC197475  Darmera peltata C. F. Sonne Jun 1897 Placer near Towles' (Deer Creek); Sierra Nevada Mountains Comment
  CAS-BOT-BC1415  Delphinium andersonii Mrs. M. M. Hardy 1893-1-1 s.n. Placer Placer County Comment
  POM270666  Delphinium depauperatum Lyman Benson 1942-7-2 11255 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCD22183  Delphinium glaucum Rex Palmer 1979-7-25 N 673 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD95711  Delphinium glaucum Murray Fowler 1961-8-8 s.n. Placer French Meadow, ca. 14 miles west of Tahoe Pines. 2133 Comment
  POM149859  Delphinium glaucum C. F. Sonne 1896-8-16 s.n. Placer Canyon near Truckee Comment
  CAS-BOT-BC8824  Delphinium gracilentum f. versicolor L. S. Smith 1927-8-5 2154 Placer Robertson Flat on Forest Hill 2346 Comment
  HSC82229  Delphinium hesperium Thomas W. Nelson 1979-4-10 4589 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  CDA12401  Delphinium nuttallianum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8529 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 m SW of Tahoe City. Comment
  POM121520  Delphinium nuttallianum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
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Sep 7 2010
  UC2042536  Delphinium nuttallianum Holly Forbes and Barbara Keller 2010-7-13 Placer Tahoe National Forest, at Chalet Road near the intersection of road to parking area and Subway Lift at Alpine Meadows Ski Resort. Comment
  UCD22186  Delphinium nuttallianum Rex Palmer 1979-6-9 N 177 Placer Headwaters basin area of the North Fork of the American River Comment
  RSA21432  Delphinium variegatum Carl B. Wolf 1937-5-12 8612 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  SFV11643  Delphinium variegatum subsp. variegatum M. L. Vincent 1965-4-16 645 Placer 4 miles south of Marysville. Comment
  RSA258881  Dendromecon rigida Thomas W. Nelson, James Nelson, A. P. Nelson 1974-6-17 1377 Placer Dollar point overlooking Lake Tahoe N of Tahoe City. 1585 Comment
  POM97713  Dendromecon rigida I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  SACT000908  Deschampsia cespitosa Michael Baad 1983-7-23 Placer More than .25 mile on the road west of US Highway 89. Boggy site. 1828.8 Comment
  CAS-BOT-BC198147  Deschampsia danthonioides John Thomas Howell; Gordon H. True 1971-5-26 47622 Placer Valley Grassland, northern limits of Lincoln 48 Comment
  SACT000921  Deschampsia danthonioides Michael Baad 1983-7-1 Placer Collected on road .4 miles beyond airport road on road from I80 to Blue Canyon. 1584.96 Comment
  CDA12410  Deschampsia elongata G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8538 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  SACT000940  Deschampsia elongata D. Meyer 1983-8-7 Placer East bank 1879.0 Comment
  SACT000945  Deschampsia elongata D. Meyer 1983-9-10 Placer Moist streambank and meadow. 1879.0 Comment
  SACT000957  Deschampsia elongata D. Meyer 1984-8-12 Placer 11.2 km from French Meadows, very wet somewhat boggy and grazed wooded area. 1612.0 Comment
  UC1729992  Deschampsia elongata L. P. Janeway, Eric Schroder 1998-9-16 6339 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek, Homewood Quadrangle); Homewood Quadrangle 2124 Comment
  CDA15669  Descurainia californica G. F. Hrusa, J. Glazner 1999-7-18 15216 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD22366  Descurainia incana subsp. viscosa Rex Palmer 1979-7-12 N 619 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS111265  Dianthus armeria subsp. armeria Steve Matson 2005-9-11 1523 Placer Tahoe Basin, North Shore, Snow Creek Watershed, Kings Beach. Along Pine Nut Ave. 39.2471 N, 120.0388 W ; elevation 6360 ft. 1938 Comment
  CAS-BOT-BC402447  Dicentra formosa subsp. formosa Mrs. Chas. E. Miller 1916-8-30 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC402453  Dicentra formosa subsp. formosa A. A. Heller 1917-6-19 12732 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC402445  Dicentra formosa subsp. formosa R. K. Wellman 1981-5-15 033 Placer Emmigrant [Emigrant] Gap Rd. off Highway 80 in Placer City city limits 1219 Comment
  CAS-BOT-BC253633  Dichanthelium acuminatum subsp. acuminatum W. R. Dudley 1909-8-16 s.n. Placer Monte Vista Comment
  CDA32819  Dichelostemma capitatum William J. Ferlatte 1977-3-21 s. n. Placer Rocklin: Corner of China Garden Rd. & Rustic Hills Dr., next to Hwy 80 0 Comment
  RSA0035848  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20348 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  UCR172650  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, Elizabeth Helmkamp 2006-4-13 10197 Placer Northern Sierra Nevada Foothills, Forest Hill Road, 2.5 mi east of its junction with Calif. Hwy 49. North side of the middle fork of the American River, NE of Auburn 274 Comment
  UCR207890  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14573 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  RSA333560  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-26 39 Placer On Clark Tunnel Road, 2.1 miles S of intersection with State Hwy 193. Comment
  RSA537649  Dichelostemma capitatum subsp. capitatum Barbara Ertter, David M. Thompson 1989-4-8 8150 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  SEINET8472332  Dichelostemma capitatum subsp. capitatum H. E. Hodge 1956-3-28 s.n. Placer Along W side of Hwy 49, 3 miles N of Auburn. 453 Comment
  SEINET8475399  Dichelostemma capitatum subsp. capitatum L. Munker 1962-1 34 Placer 3 miles S of Auburn, North Fork American River. 396 Comment
  UCD139198  Dichelostemma capitatum subsp. capitatum Craig P. Martz 1982-3-26 39 Placer On Clark Tunnel Road, 2.1 miles south of intersection with State Highway 193. 274 Comment
  SD43598  Dichelostemma multiflorum Darley F. Howe 1948-5-23 1899 Placer No further locality information given on label. 456 Comment
  CAS-BOT-BC502641  Dichelostemma multiflorum R. Bacigalupi 1926-5-29 1507 Placer Along Luisslus Heller Highway, 3 1/2 miles east of Colfax Comment
  SEINET3243525  Dichelostemma multiflorum Charles T. Mason Jr. 1948-1 1192 Placer West side of Southern Pacific Railroad track, along highway 99E, near Whintey Station 3 miles south of Lincoln. Comment
  POM109853  Dichelostemma volubile Marcus E. Jones s.n. Placer Auburn Comment
  UCR207883  Dichelostemma volubile George K. Helmkamp, E. A. Helmkamp 2009-4-22 14575 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  CHSC97704  Digitaria sanguinalis Lowell Ahart 2007-11-13 14600 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 miles (air) northeast of Sheridan. 73 Comment
  SD241951  Diplacus aurantiacus George K. Helmkamp, E. A. Helmkamp 2010-4-17 15891 Placer Sierra Nevada Mountains Foothills; Rattlesnake Bar Road, 7.3 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 331 Comment
  CHSC82574  Diplacus torreyi Lowell Ahart 2002-7-22 9904 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  OBI49246  Diplacus torreyi Lewis S. Rose 1941-6-12 41305 Placer Chambers Lodge, (McKinney), Lake Tahoe 1920 Comment
  SBBG25479  Diplacus torreyi C. B. Hardham 1961-6-14 7356 Placer Baxter, US Hwy 40 1066 Comment
  RSA300475  Disporum hookeri var. hookeri John Dourley, Walter Wisura 1982-10-13 3857 Placer 1.7 mi SW of Emigrant Gap along forestry rd. 19 1524 Comment
  CDA39652  Dittrichia graveolens Keith Kohler 2013-10-21 PDR# 310 P0612942 Placer Auburn. 0 Comment
  CHSC78088  Dodecatheon alpinum Caleb E. Casey 1999-5-16 Placer Sugar Pine Reservoir, Forest Service road 26, elevation 3900 ft. 1188 Comment
  SEINET8553080  Dodecatheon alpinum Trevitt 1932-7-5 s.n. Placer Tahoe Vista. Comment
  RSA305929  Dodecatheon hendersonii Fay A. MacFadden 1934-3-30 12422 Placer Dutch Flat. Comment
  UCD14634  Dodecatheon hendersonii Deanna Lynn Pfleger 1989-5-20 17 Placer Placer Co.; 10 miles from Redwood Grove, along a disturbed roadside. 1341 Comment
  RSA389176  Downingia bicornuta C. B. Wolf 1937-5-12 8623 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  RSA18619  Downingia bicornuta C. B. Wolf 1937-6-11 8773 Placer Sacramento Valley, 1 mile north of Lincoln. 46 Comment
  RSA739597  Downingia bicornuta var. bicornuta John Dittes 2003-5-25 2003 -23 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 40 Comment
  SJSU3255  Downingia montana R. L. Fisher 1959-8-10 Placer Yuba Gap; Placer & Nevada county boundary 1706 Comment
  RSA516594  Downingia ornatissima var. eximia R. C. Bacigalupi, G. Thomas Robbins, Francia Chisaki 1956-4-20 5629 Placer Along Antelope-Roseville road, at Sacramento-Placer Co. line. 43 Comment
  POM143043  Draba nemorosa C. F. Sonne 1897-7-18 s.n. Placer Tinker s Knob 2744 Comment
  UC147857  Draperia systyla Harriet A. Walker 1908-6-24 1361 Placer Blue Canyon 1432 Comment
  UCD22274  Drymocallis glandulosa Rex Palmer 1979-6-20 N 334 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC159717  Drymocallis glandulosa Margaret J. Williams 1985-7-6 85- 61 -1 Placer Near old Donner Summit, S of Lake Mary - Sierra Nevada 2286 Comment
  UCD43092  Drymocallis glandulosa var. glandulosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 460 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC527342  Drymocallis glandulosa var. reflexa A. A. Heller 1917-6-16 12681 Placer Near Dutch Flat 914 Comment
  SCFS1107  Drymocallis lactea E. Krimmel 2013-6-2 Placer On cliffs beside NF American River, 1/2-mile below Soda Springs road Comment
  UCD113020  Drymocallis lactea var. austiniae Martin J. Beran 1994-5-27 22 Placer Lang Crossing of Hwy 20, South Fork of Yuba River; 30 m from river near dirt road. 1414 Comment
  UCD101885  Dudleya cymosa D. Finley 1998-5-24 5 - Placer 100 feet east of Confluence Brdige, Auburn Confluence State Recreation Area North Side of the road. 304 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
  SD125411  Dudleya cymosa Russel Hopper 1975-5-24 54 Placer 1.0 mile east of junction of State Highways 49 and 195 on Highway 49. 669 Comment
  UCD149382  Dulichium arundinaceum G. Ledyard Stebbins 1969-7-20 6946 Placer South of North Fork of the American River. Sailor Meadow. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET245838 Image available Echinochloa crus-galli Beecher Crampton 1965-9-13 7497 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  SACT001036  Echinochloa crus-galli var. zelayensis Josephine Van Ess 1976-8-4 Placer Collected .25 mile north of route. Pear orchard weed. 365.8 Comment
  UCD43347  Eleocharis bella C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 715 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS102553  Eleocharis engelmannii Lowell Ahart 2001-10-10 9352 Placer French Meadows Reservoir, ca 1/4 mile NE of the boat or trail access area on the NW side of the reservoir, ca 3/4 mile SW of the bridge across the Middle Fork of the American River, ca 1 3/4 miles SW of Ahart Camp, ca 22 miles (air) NE of Forest Hill. 1591 Comment
  UCD163103  Eleocharis engelmannii var. engelmannii Robert E. Preston 2014-5-12 2962 Placer 2.1 mi SE of Sheridan, E of Old Hwy 65, S of Yankee Slough. 36 Comment
  CAS-BOT-BC112911  Eleocharis macrostachya Catherine Best 1985-9-15 1148 Placer Sugar Pine Reservoir, 6 miles north of Forest Hill. 1158 Comment
  UC698596  Eleocharis macrostachya Alan A. Beetle 1941-6-27 2737 Placer one mile N of, in wet roadside ditch Lincoln Comment
  JEPS14035  Eleocharis pachycarpa Rimo Bacigalupi, Alex Hawkes et al. 1952-7-19 3850 Placer 1/2 mi above bridge on the Colfax - Iowa Hill road, directly below Cape Horn station of S.P.RR North Fork American River 381 Comment
  CAS-BOT-BC113161  Eleocharis palustris Lyman Benson 1932-7-31 4015 Placer Donner Lake, Sierra Nevada Mts, Truckee River Watershed. 1889 Comment
  UC710554  Eleocharis quinqueflora John Thomas Howell 1943-7-19 18575 Placer Summit Valley Comment
  CAS-BOT-BC203871  Elymus X hansenii John H. Thomas; Hazelle A. Thomas 1956-7-21 6200 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC227591  Elymus elymoides John Thomas Howell 1943-7-25 18815 Placer West side of Donner Pass near Norden 2133 Comment
  UCD61692  Elymus elymoides subsp. californicus L. S. Smith 1916-6 s.n. Placer Squaw Valley. Comment
  SEINET4134789  Elymus elymoides subsp. elymoides A. A. Beetle 1941-5-25 2688 Placer 10 miles west of Colfax.; 0 762 Comment
  UC1132964  Elymus elymoides subsp. elymoides N. French 1934-6-21 430 Placer Kid Lake Tahoe National Forest, Truckee Quadrangle (nw end) 2011 Comment
  POM264449  Elymus glaucus A. A. Beetle 1941-5-25 2689 Placer 10 miles west of Colfax Comment
  SACT001106  Elymus glaucus Michael Baad 1983-7-23 Placer Next to stream, along southwest side of Highway 267, approximately 6 miles southeast of Truckee. 2316.0 Comment
  SACT001135  Elymus glaucus Michael Baad 1977-6-21 Placer On Colfax to Forest Hill Road, east-facing cliff, streamside habitat. 670.0 Comment
  SBBG56926  Elymus glaucus M. N. Ackley -Jun-1925 33 Placer Penryn 191 Comment
  SD81191  Elymus glaucus Darley F. Howe 1971-6-29 Placer 1.4 miles East of Forest Hill 1096 Comment
  UCD61795  Elymus glaucus Beecher Crampton 1956-7-17 3724 Placer Railroad embankment, Blue Canyon. 1432 Comment
  UCD75969  Elymus glaucus Ellen Dean, M. Starbuck,; M. Bibbo, J. Poloske 2008-7-20 5254 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Area south of southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  SEINET12747696  Elymus glaucus var. glaucus W. D. Billings 1940-5-18 1303 Placer Gold Run. Comment
  UC1133038  Elymus multisetus N. French 1933-5-5 83 Placer N. Fork American River Sacramento Quadrangle Comment
  UCD62477  Elymus multisetus Beecher Crampton 1961-9-27 6014 Placer 1 mile west of Cisco Grove. 1706 Comment
  UCD62596  Elymus sierrae A. A. Heller 1917-8-13 12919 Placer Ridge northwest of Donner Pass. 2377 Comment
  CAS-BOT-BC204211  Elymus stebbinsii subsp. septentrionalis G. L. Stebbins, Jr. 1952-6-22 5102 Placer Along southeast bank of American River, 1 1/2 miles northeast of bridge on Colfax-Iowa Hill Road 365 Comment
  UCD62736  Elymus trachycaulus subsp. subsecundus R. Tofsrud 1947-7-12 42 Placer Placer County. 1524 Comment
  CDA13695  Elymus trachycaulus subsp. trachycaulus G. F. Hrusa, J. Glazner 1997-8-3 14055 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Uncommon perennial in dry, sandy areas. Openings within Pinus jeffryi/Abies concolor forest. Comment
  UCD22261  Elymus trachycaulus subsp. trachycaulus Beth Lowe Corbin 1982-8-3 172 Placer Onion Creek Campground. SW facing slope. Full sun to partial shade. Moderately abundant. Open, dry meadow, more abundant toward the creek. In fine, sandy, granitic soil. Perennial bunchgrass, forming smallish clumps. 1841 Comment
  UCD43224  Elymus trachycaulus subsp. trachycaulus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 593 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SACT001152  Elymus triticoides Josephine Van Ess 1977-5-20 Placer Collected near Duty Creek. Moist roadside. 85.4 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
  UCR241739  Epilobium angustifolium subsp. circumvagum George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19815 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.8 miles northeast of Hidden Treasure Road, 0.75 mi. SE of Whisky Hill 1698 Comment
  CHSC74106  Epilobium brachycarpum Susi Urie 1998-8-25 98 -088 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD150582  Epilobium campestre James A. Neilson Jr. 1971-8-13 2332 Placer Tahoe Basin, Lagoon road, Homewood. 1914 Comment
  JEPS72759  Epilobium canum subsp. latifolium Gladys L. Smith 1972-8-25 3443 Placer glacial stairsteps above Squaw Valley (on trail to Granite Chief) 2225 Comment
  UCD75765  Epilobium ciliatum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5236 a Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  UCD44585  Epilobium ciliatum subsp. ciliatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1951 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CHSC73678  Epilobium ciliatum subsp. glandulosum L. P. Janeway; Eric Schroder 1998-9-16 6335 Placer Lake Tahoe Basin--National Forest. Meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  UCD44519  Epilobium ciliatum subsp. glandulosum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1885 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44551  Epilobium ciliatum subsp. glandulosum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1917 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR177128  Epilobium glaberrimum George K. Helmkamp, E. A. Helmkamp 2005-9-30 9943 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  SEINET4691683  Epilobium glaberrimum subsp. glaberrimum George K. Helmkamp, E. A. Helmkamp 2010-1 16794 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing. Comment
  UCD21992  Epilobium hallianum Beth Lowe Corbin 1982-8-23 406 Placer 2 miles WSW of The Cedars. 1981 Comment
  UCD44006  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1372 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD42897  Epilobium hornemannii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 265 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SD102800  Epilobium lactiflorum Darley F. Howe 1978-7-14 Placer Along state highway 20, 29 miles west of Truckee. 1646 Comment
  UCD150705  Epilobium obcordatum James A. Neilson Jr. 1970-9-6 1874 Placer Tahoe Basin, South Ward Creek ridge. 2438 Comment
  UCD21994  Epilobium obcordatum Beth Lowe Corbin 1982-8-4 243 Placer 1 1/2 miles north of Onion Creek campground. Flowers purple magenta. Stems purplish at base. Plant forming a mist over rocky, fine, sandy, granitic soil. Edge of loose talus slope, open White Fir forest. Mostly sun. East facing slope, 50% incline. Uncommon, 2 large mats present. 2255 Comment
  UCD75768  Epilobium oregonense Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5240 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  UCD150581  Epilobium torreyi James A. Neilson Jr. 1970-8-5 1753 Placer Tahoe Basin, North Ward Valley, section 17. 2194 Comment
  JEPS109407  Eremogone aculeata D. W. Taylor 2010-8-10 20990 B Placer Martis Peak, near the Nevada State Line in the headwaters of Juniper Creek. Comment
  CAS-BOT-BC174096  Eremogone aculeata Betty J. Jorgensen 1944-7-2 511 Placer Along summit near Donner Pass Comment
  UC87230  Ericameria bloomeri K. Brandegee 1885-8-1 Placer Donner Comment
  UCD131325  Ericameria bloomeri Daryl Koutnik; Thomas Lanini, Thomas Wainwright 1978-10-19 s.n. Placer Sunnyside on west shore of Lake Tahoe. 1889 Comment
  UC1119826  Ericameria nauseosa N. French 1934-6-17 425 Placer Devils Peak Tahoe National Forest, Truckee Quadrangle, Devils Peak 2346 Comment
  CAS-BOT-BC294276  Ericameria nauseosa var. speciosa M. E. Cantelow 1935-7-20 1018 Placer Brackway Comment
  UC194094  Ericameria nauseosa var. speciosa C. F. Sonne 1884-9-14 Placer road to Tahoe Comment
  UC73886  Ericameria nauseosa var. speciosa A. M. Carpenter 1893-8 Placer Comment
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Dec 11 2014
  UC197389  Ericameria suffruticosa C. F. Sonne 1894-9-2 Placer <High Mts.?> near Summit Station 2438 Comment
  UC830820  Ericameria suffruticosa A. A. Heller 1917-8-13 12920 Placer ridge nw Donner Pass 2377 Comment
  UC480763  Erigeron barbellulatus W. C. Blasdale 1923-7-27 Placer Tamarack Trail Tahoe Region, Tamarack Trail Comment
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May 22 2013
  POM195800  Erigeron coulteri A. A. Heller 1927-8-16 14454 Placer Along streams at Donner Pass (summit) 2134 Comment
  UC895854  Erigeron coulteri A. A. Heller 1917-8-13 12879 Placer 2118 Comment
  CAS-BOT-BC300666  Erigeron foliosus var. hartwegii Mary E. Jump 1939-5-15 s.n. Placer Road to Foresthills Comment
  CAS-BOT-BC300673  Erigeron foliosus var. hartwegii L. S. Smith 1926-5-23 1828 Placer Tahoe National Forest. Colfax road to Forest Hill above river 609 Comment
  CAS-BOT-BC300814  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12916 Placer Ridge northwest of Donner Pass 2377 Comment
  CAS-BOT-BC300815  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12916 Placer Ridge northwest of Donner Pass 2377 Comment
  CAS-BOT-BC300817  Erigeron glacialis var. glacialis F. Almeda 1993-7-24 7256 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  CAS-BOT-BC300827  Erigeron glacialis var. glacialis Peter Rubtzoff 1976-9-18 8843 Placer Lake Van Norden 2063 Comment
  CAS-BOT-BC300830  Erigeron glacialis var. glacialis Alice Eastwood 1909-1-1 302 Placer Lake Tahoe Region. Wards Pass Comment
  UC485152  Erigeron glacialis var. glacialis Katharine Brandegee 1909-7-1 Placer Emigrant Gap Comment
  UCD21714  Erigeron glacialis var. glacialis Beth Lowe Corbin 1982-8-10 291 Placer 3/4 mile WSW of Onion Creek campground. In fine, sandy and organic soil. Small meadow in White Fir forest. Ray flowers pale purple, disc yellow. Partial sun. SE facing slope, 10% incline. Common. 2023 Comment
  CAS-BOT-BC300824  Erigeron glacialis var. glacialis H. D. Ripley; R. C. Barneby 1948-7-13 9845 Placer Yuba River, 4 mi. E. of Cisco 1844 Comment
  CAS-BOT-BC300825  Erigeron glacialis var. glacialis C. F. Sonne 1886-7-25 364 Placer Sierra Nevada Mts. On Mt. Stanford Comment
  SJSU6632  Erigeron glacialis var. glacialis H. T. Harvey 1958-8-19 Placer Sugar Bowl about 3 mi S of Donner Summit 2164 Comment
  CAS-BOT-BC295209  Erigeron inornatus R. F. Hoover 1967-9-5 10831 Placer Cornelian Bay, Lake Tahoe Comment
  UCD131345  Erigeron inornatus Beecher Crampton 1972-7-26 8844 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  UCD83593  Erigeron inornatus Albert Grigarick 2009-8-7 162 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 2061 Comment
  UC1118161  Erigeron inornatus var. inornatus H. S. Yates 1936-8-9 5996 Placer near Brockway; Truckee Quadrangle 1950 Comment
  POM40211  Erigeron inornatus var. reductus Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC295528  Erigeron miser G. L. Stebbins 1968-8-15 6857 Placer Devil's Peak, southwest of Soda Springs 2286 Comment
  POM40200  Erigeron peregrinus Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  SD43658  Erigeron philadelphicus Darley F. Howe 1948-5-21 Placer 455 Comment
  CAS-BOT-BC216229  Eriodictyon californicum Saichi Kawahara 1969-5-24 834 Placer Cape Horn, overlooking north fork of American River, Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  UC1124281  Eriodictyon californicum N. French 1934-5-29 375 Placer 1 mi w Lake Spaulding; Tahoe National Forest, Colfax Quadrangle 1463 Comment
  UC1124297  Eriodictyon californicum B. Bolt 1934-7-4 81 Placer Sawtooth Ridge; Tahoe National Forest, Colfax Quadrangle Comment
  UC1124311  Eriodictyon californicum C. R. Clar 1933-6-6 131 Placer near Rattlesnake Bridge; Sacramento Quad., near Rattlesnake Bridge Comment
  UCD161588  Eriodictyon lobbii Jack Major 1969-11-28 s.n. Placer West of Chambers Lodge at Lake Tahoe. (Exact location unknown. Coordinates estimated by label maker.) 1920 Comment
  SEINET9362765  Eriogonum elatum Unknown 2000-7-1 15631 Placer Summit Village, Truckee Comment
  CAS-BOT-BC259350  Eriogonum lobbii John Thomas Howell 1943-7-26 18844 Placer Mt. Lincoln Comment
  CDA22618  Eriogonum marifolium Jim Jokerst 1986-7-13 2717 A Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, stop along trail south of Middle Fork American River. Comment
  CAS-BOT-BC263291  Eriogonum marifolium var. marifolium Alice Eastwood 1909-1-1 300 Placer Lake Tahoe Region. Deer Park Comment
  CAS-BOT-BC264811  Eriogonum nudum var. deductum Marcus E. Jones 1882-6-29 3469 Placer Emigrant Gap Comment
  SEINET3405029 Image available Eriogonum nudum var. deductum Marcus E. Jones 1882-6-29 3469 Placer Emigrant Gap Comment
  UC1035667  Eriogonum nudum var. deductum Kay H. Beach 1940-6-30 795 Placer 5.6 mi e on U.S. 40 Emigrant Gap 1676 Comment
  SEINET5330910  Eriogonum nudum var. deductum P. A. Lehenbauer 1932-9-11 1438 Placer Carnelian Bay, Lake Tahoe Comment
  UCD100610  Eriogonum nudum var. nudum G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11216 Placer Northern Sierra Nevada Mtns; along Forest Hill Road, 8.7 miles northeast of Forest Hill. 1311 Comment
  UCR170635  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2005-9-30 9961 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR218124  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2010-6-26 16393 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  CAS-BOT-BC266843  Eriogonum ovalifolium var. nivale L. S. Smith 1928-7-18 2479 Placer Ward Peak among rocks, top ridge, Tahoe Forest 2438 Comment
  SD22419  Eriogonum pedunculatum Susan G. Stokes 1932-8-4 Placer Near Auburn Comment
  CAS-BOT-BC269934  Eriogonum spergulinum var. reddingianum A. A. Heller No date on label 12894 Placer Summit Station 2121 Comment
  CAS-BOT-BC269937  Eriogonum spergulinum var. reddingianum Margaret Williams 1974-8-8 74 -Pl-3 Placer Murphy's Meadow, 5 miles southeast of Hirschdale 2316 Comment
  CAS-BOT-BC269935  Eriogonum spergulinum var. reddingianum Peter Rubtzoff; Edward W. Colson 1976-7-7 8736 Placer Lake Van Norden 2063 Comment
  CDA13675  Eriogonum umbellatum var. nevadense G. F. Hrusa, J. Glazner 1997-8-3 14035 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UCD101502  Eriogonum umbellatum var. torreyanum Tamara Kan 1992-8-1 s.n. Placer on Mt. Disney, just inside boundary of Onion Creek Experimental Forest, at top of south east facing drainage. 2377 Comment
  UCD101506  Eriogonum umbellatum var. torreyanum Tamara Kan 1992-8-1 s.n. Placer on Mt. Disney, just inside boundary of Onion Creek Experimental Forest, at top of south-east facing drainage. 2377 Comment
  UC66982  Eriogonum ursinum P. B. Kennedy and S. B. Doten 1901-8-6 236 Placer Summit Soda Springs Comment
  CAS-BOT-BC262228  Eriogonum ursinum David D. Keck 1932-6-30 1576 Placer 1 mile E. of Cisco 1800 Comment
  CAS-BOT-BC262232  Eriogonum ursinum Peter H. Raven 1956-8-4 10004 Placer Dirt road north of Emigrant Gap 1493 Comment
  CAS-BOT-BC262325  Eriogonum vimineum D. L. Smith; G. L. Stebbins 1976-7-4 C 7687 Placer Southeast side of Ralston Ridge, sec 33 T14N R13E 1554 Comment
  CAS-BOT-BC300950  Eriophyllum lanatum Saichi Kawahara 1969-5-24 827 Placer On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  UCR250164  Eriophyllum lanatum var. achilleoides George K. Helmkamp, Mary Alice Barnes 2013-5-3 20479 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCR173277  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10441 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along Forest Hill Road, 1.8 mi. NE of its junction with Calif. Hwy 49 at the middle fork of the American River 370 Comment
  UCR249592  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20830 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  JEPS34497  Eriophyllum lanatum var. integrifolium L. S. Smith 1928-7-7 2470 Placer road to Robertson Flat above Forest H; Tahoe National Forest 1219 Comment
  UC1118249  Eriophyllum lanatum var. integrifolium H. S. Yates 1934-6-29 3883 Placer near Brockway; Tahoe National Forest, Truckee Quadrangle Comment
  UC31786  Eriophyllum lanatum var. integrifolium C. J. Fox Jr. 1895-7-1 Placer near Squaw Peak Comment
  RSA21166  Eryngium castrense C. B. Wolf 1937-6-11 8775 Placer Sacramento Valley, 1 mile north of Lincoln 46 Comment
  RSA739598  Eryngium castrense John Dittes 2003-5-25 2003 -30 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 40 Comment
  CAS-BOT-BC54317  Erysimum capitatum Mary E. Jump 1939-5-29 s.n. Placer Bear Valley. Comment
  CAS-BOT-BC54319  Erysimum capitatum Alice Eastwood 1912-6-15 398 Placer Lake Tahoe Region. Deer Park. Comment
  UC147629  Erysimum capitatum Harriet A. Walker 1908-6-24 1260 Placer Blue Canyon 1432 Comment
  UCD22375  Erysimum capitatum Rex Palmer 1979-7-12 N 617 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR120248  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5034 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCSB16080  Erysimum capitatum var. capitatum 1962-6-13 Placer Truckee River, 7.1 miles south of Truckee; Sierra Nevada 1828 Comment
  CAS-BOT-BC55096  Erysimum perenne D. E. Breedlove 1962-6-13 3540 Placer Sierra Nevada. On steep bank of Truckee River, 7.0 miles south of Truckee. 1828 Comment
  CAS-BOT-BC55097  Erysimum perenne Alice Eastwood 1909-8-1 69 Placer Lake Tahoe Region. Sunnyside. Comment
  CAS-BOT-BC55099  Erysimum perenne N. French 1934-6-22 445 Placer 7/8 mile west of Dulzura Lake. 2286 Comment
  SD62118  Erythranthe floribunda Darley F. Howe 1965-5-21 Placer Canyon, south side of north fork on American River 456 Comment
  CAS-BOT-BC438819  Erythranthe guttata George K. Helmkamp; Mary Alice Barnes 2013-4-18 20377 Placer Northern Sierra Nevada Mtns Foothills: Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax. 544 Comment
  SEINET14293911  Erythranthe guttata D. F. Erskine 1941-4-25 10 Placer 2 miles E of Roseville. 76 Comment
  SEINET14046290 Image available Erythranthe guttata Johnnie L. Gentry Jr., Earl Jensen Jr. 1968-1 2132 Placer Tahoe National Forest, 3.3 miles northwest of Hwy. junction California 89 and 28 at Tahoe City, on California 89, 3.2 miles west of California Hwy. 89 Alpine Meadows.; 0 2073 Comment
  SEINET6793894 Image available Erythranthe lewisii Sally Walker 1982-1 Placer Ski area above Tahoe, Truckee Rd Comment
  CDA42831  Erythranthe microphylla G. F. Hrusa, M. Pitcairn 2015-7-16 18654 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 231 Comment
  SEINET8477294  Erythronium californicum H. N. Mozingo, C. Aarstad 1979-4-1 s.n. Placer 4 miles E of Forest Hills on Mosquito Ridge Road along Skunk Creek. 701 Comment
  CAS-BOT-BC505236  Erythronium grandiflorum Elizabeth McClintock; Wayne Roderick 1968-5-17 s. n. Placer Cisco Grove, northern Placer County Comment
  RSA537540  Erythronium multiscapideum Barbara Ertter, David Thompson 1989-4-8 8170 Placer Iowa Creek Road ca. 2 miles from I-80 near entrance to Auburn State Recreation Area, at creek crossing 518 Comment
  CAS-BOT-BC402620  Eschscholzia caespitosa Geo. B. Grant 1906-7-15 7016 Placer Tahoe Tavern, Lake Tahoe Comment
  RSA523883  Eschscholzia caespitosa subsp. caespitosa Barbara J. Ertter, David Thompson 1989-4-8 8146 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  UCR172649  Eschscholzia californica George K. Helmkamp, Elizabeth Helmkamp 2006-4-13 10198 Placer Northern Sierra Nevada Foothills, Forest Hill Road, 2.5 mi east of its junction with Calif. Hwy 49. North side of the middle fork of the American River, NE of Auburn 274 Comment
  UCR238610  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2012-3-31 18645 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  UCR250273  Eschscholzia californica George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20334 Placer Northern Sierra Nevada Mountains Foothills, Cramer Road at the junction with CA-49, north of Auburn 412 Comment
  CHSC59767  Eschscholzia lobbii Dennis Morgosan 1975-4-12 16 Placer 4 miles southeast of Newcastle. 304 Comment
  CAS-BOT-BC310366  Eucephalus breweri L. S. Smith 1927-8-5 2155 Placer Tahoe National Forest. Robertson Flat, Forest Hill Dist. Comment
  CAS-BOT-BC310376  Eucephalus breweri J. F. Emmel 1968-7-25 101 Placer North slope of Donner Peak 2286 Comment
  UCR209749  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2009-8-12 15432 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  CHSC59965  Euphorbia crenulata Gregg Riegel 1975-5-29 Placer Along creek; 3.8 miles west of Foresthill, off Foresthill-Auburn Road. 914 Comment
  UCR173739  Euphorbia palmeri George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10707 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
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Mar 8 2012
  UCD142804  Euphorbia serpillifolia G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12952 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCD21482  Euphorbia serpillifolia Beth Lowe Corbin 1982-8-19 393 Placer One mile SSW of the Cedars. 1813 Comment
  UCD38932  Euphorbia serpillifolia Beecher Crampton 1961-9-27 6005 Placer 1 mile west of Cisco Grove, along US Hwy 40. Comment
  RSA433511B  Euphorbia spathulata Anonymous 1900-5-27 s.n. Placer Duncan Comment
  JEPS126391  Eurybia radulina Steve Matson 1997-8-17 175 Placer nSNH; Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course along trails. Comment
  SEINET3828364  Fabaceae G. K. Helmkamp, E. A. Helmkamp 2011-1 17854 Placer Northern Sierra Nevada Mountains: Emigrant Gap Road, 0.1 miles west of its junction with US-80 0.65 mi NE (65 degrees) of Emigrant Gap. (Blue Canyon 7.5') 1590 Comment
  UCD36650  Festuca elmeri Beecher Crampton 1955-6-15 2861 Placer 3 miles east of Weimar, head of Bunch Canyon, on Forest Hills Road, just off U.S. Highway 40. Comment
  CAS-BOT-BC278792  Festuca occidentalis Saichi Kawahara 1969-5-25 889 Placer North of old cabin, Mel Anderson Ranch, Indian Creek 999 Comment
  UCD66115  Festuca occidentalis Beecher Crampton 1958-6-24 4971 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  SACT001172  Festuca ovina D. Meyer 1983-6-25 Placer 1636.0 Comment
  SACT001174  Festuca pacifica Josephine Van Ess 1976-4-14 Placer Sunny slope. 91.5 Comment
  SACT001182  Festuca pratensis D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City Shopping Center near lake shore. 1891.0 Comment
  SACT001199  Festuca subulata D. Meyer 1984-6-17 Placer Just south of bridge over American River 545.0 Comment
  CAS-BOT-BC282535  Festuca thurberi W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  CAS-BOT-BC282566  Festuca viridula A. A. Heller 1917-8-14 12926 Placer Mt. Lincoln south of Summit Valley 2499 Comment
  UCD43061  Festuca viridula C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 429 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  POM260104  Fragaria californica C. Leo Hitchcock 1940-5-7 6318 Placer 1 mile west of Baxter. Comment
  UC859946  Fragaria vesca C. L. Hitchcock 1940-5-7 6318 Placer ca 1 mi w Baxter Comment
  JEPS111210  Fragaria virginiana Steve Matson 2005-7-4 1366 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; on trail near stream. 39.2915 N, 120.1352 W: Elevation 5,900 ft. 1798 Comment
  UCD44003  Fragaria virginiana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1369 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44637  Fragaria virginiana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2003 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC53546  Frangula californica subsp. tomentella Catherine Best 1985-9-15 1147 Placer near Sugar Pine Reservoir about 6 miles north of Foresthill 1158 Comment
  CAS-BOT-BC53547  Frangula californica subsp. tomentella W. R. Dudley 1909-8-20 s.n. Placer Dutch Flat 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
  CAS-BOT-BC53550  Frangula californica subsp. tomentella C. Hart Merriam 1911-11-4 s.n. Placer Colfax Comment
  SD10077  Frangula californica subsp. tomentella Brandegee Sept 1888 Placer Dutch Flat Comment
  SEINET11243878  Frangula californica subsp. tomentella C. Lane, H. Mozingo 1979-3-31 4 Placer North fork of the Middle Fork of the American River. 518 Comment
  SEINET11249894  Frangula rubra A. A. Heller, P. B. Kennedy 1907-7-15 8837 Placer Near mouth of Little Grizzly Creek below Genessee Comment
  CAS-BOT-BC55705  Frangula rubra subsp. obtusissima Carl B. Wolf 1930-10-11 1732 Placer W. slope Sierra Nevada. Baxter's Camp, 17 mi. above Colfax 1158 Comment
  CAS-BOT-BC55784  Frangula rubra subsp. rubra John Thomas Howell; Gordon H. True 1968-6-9 44514 Placer Alta 1066 Comment
  RSA21255  Fritillaria agrestis Carl B. Wolf 1937-3-30 8369 Placer Sacramento Valley, 6 miles N of Roseville on road to Lincoln. 49 Comment
  CAS-BOT-BC504555  Fritillaria atropurpurea Hazelle A. Thomas; John H. Thomas 1956-7-21 6095 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevad 2377 Comment
  UC197245  Fritillaria atropurpurea C. F. Sonne June 1886 Placer road to Tahoe Tahoe Comment
  CAS-BOT-BC504554  Fritillaria atropurpurea G. B. Grant 1906-7-25 s.n. Placer Vicinity of Lake Tahoe Comment
  CAS-BOT-BC504557  Fritillaria atropurpurea Sherman Chickering 1974-7-8 s.n. Placer Near Soda Spring, Plants of the Sierra Nevada 1920 Comment
  CHSC3140  Fuchsia hybrida Gary Dutton 1966-4-29 169 Placer Found 228 Donner Ave. Roseville. Comment
  UCD22287  Galium Rex Palmer 1979-5-27 N 49 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD44563  Galium C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1929 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD15080  Galium aparine Alan B. Chan 1977-5-28 31 Placer California, Placer Co.; 20 miles northeast of the Auburn Forest Hill Bridge along Auburn Forest Hill Road, 0.25 miles going south on Auburn Forest Hill Road towards Michigan Bluff; Comment
  UC888784  Galium bolanderi Marcus E. Jones, A. M. 1882-6-27 3290 Placer Emigrant Gap Comment
  UCD121763  Galium grayanum Tamara Kan 1992-7-21 s.n. Placer East slope of Silver Peak. 2377 Comment
  UCD148666  Galium grayanum G. Ledyard Stebbins 1968-8-15 C 6858 Placer Devil's Peak, southeast of Soda Springs. 2286 Comment
  UCD22292  Galium grayanum Beth Lowe Corbin 1982-8-12 333 Placer 1/8 mile NE of Onion Creek Campground. 1844 Comment
  CDA16821  Galium grayanum subsp. grayanum G. F. Hrusa, J. Glazner 2001-7-15 15961 Placer Sierra Nevada; Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  SEINET12514846  Galium nuttallii Anne Streshley 1976-3-12 s.n. Placer South of Auburn neat the North Fork of the American River. 305 Comment
  UCR190846  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2007-5-23 12064 Placer Northern Sierra Nevada Mountains, Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  UCD44530  Galium trifidum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1896 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD75773  Galium trifidum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5246 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  CDA25019  Galium trifidum var. pacificum J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD22294  Galium triflorum Beth Lowe Corbin 1982-8-3 201 Placer Hill west of Onion Creek Campground. SW facing slope. Partial sun. Uncommon. In deep conifer duff over fine, sandy, granitic soil of white fir forest. Perennial from underground rootstock. Stems weak, decumbent. 1853 Comment
  SDSU3743  Gamochaeta pensylvanica D. F. Howe 1948-5-21 1908 Placer 457 Comment
  SJSU3620  Gastridium phleoides C. W. Sharsmith 1962-5-27 6911 Placer near Clipper Gap c. 6 mi N of Auburn on Donner Summit Rd.(Hwy 40) 512 Comment
  UCD66577  Gastridium phleoides Elizabeth Wilson 1940-5-1 Placer Auburn. Comment
  SACT001232  Gastridium ventricosum D. Meyer 1983-7-24 Placer Moist shady roadside. 1036.32 Comment
  SACT001233  Gastridium ventricosum D. Meyer 1984-6-10 Placer 436.0 Comment
  UCD21987  Gayophytum Rex Palmer 1979-5-27 N 46 Placer Headwaters basin area of the North Fork of the American River. Comment
  CDA15964  Gayophytum diffusum subsp. parviflorum G. F. Hrusa, J. Glazner 1999-7-17 15125 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  RSA122209  Gayophytum diffusum subsp. parviflorum B. Bolt 1934-7-17 129 Placer 1/2 mile south of Lost Emigrant Mine. 2073 Comment
  UC1122593  Gayophytum diffusum subsp. parviflorum N. French 1934-8-22 476 Placer 1/2 w Lake Van Norden; Tahoe National Forest, Truckee Quadrangle Comment
  UCD103624  Gayophytum diffusum subsp. parviflorum G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11215 Placer Northern Sierra Nevada Mtns; along Forest Hill Road, 8.7 miles northeast of Forest Hill. 1311 Comment
  UCR257633  Gayophytum heterozygum George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19531 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  CDA15962  Gayophytum humile G. F. Hrusa, J. Glazner 1999-7-17 15128 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD150708  Gayophytum humile James A. Neilson Jr. 1970-8-28 1865 Placer Tahoe Basin, Paige Meadow. 2072 Comment
  UCD150711  Gayophytum ramosissimum James A. Neilson Jr. 1970-1 1936 Placer Tahoe Basin, Lower Ward Creek. 2011 Comment
  CAS-BOT-BC217385  Gentiana affinis var. ovata Brandegee No date on label. s.n. Placer Colfax Comment
  UCD150770  Gentiana calycosa James A. Neilson Jr. 1971-8-31 2587 Placer Tahoe Basin, South fork of Blackwood Creek. 2438 Comment
  RSA0028446  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2010-4-23 15904 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill. 287 Comment
  UCR231893  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-4-10 17142 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  RSA782370  Geranium molle George K. Helmkamp, E. A. Helmkamp 2010-4-23 15910 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill. 287 Comment
  UCD103440  Geranium molle K. O'Keefe 1995-6-4 s.n. Placer 3 miles west of Forest Hill (town) on the north side of Forest Hill Road. Sierra foothills, northeast of Auburn, CA. 800 Comment
  CHSC74118  Geum macrophyllum Susi Urie 1998-8-11 98 -040 Placer Lake Tahoe Basin--National Forest. Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCD42916  Geum macrophyllum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 284 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SEINET192482  Gilia capillaris A. A. Heller 1927-8-15 14445 Placer Near the Yuba River Cisco Comment
  RSA0004760  Gilia capillaris C. C. Hall 1910-6-25 8710 Placer Cisco, in the Upper Transition Zone 1850 Comment
  SD43633  Gilia capitata Darley F. Howe 1948-5-23 1849 Placer American River 305 Comment
  UC147605  Gilia capitata subsp. mediomontana Harriet A. Walker 1908-6-27 1325 Placer Blue Canyon 1432 Comment
  UCR146919  Gilia leptalea Beecher Crampton 1961-9-27 6003 Placer Sierra Nevada Mountains, 1 mile west of Cisco Grove [near county line], along U.S. Highway 40, Yuba River 1707 Comment
  SDSU3083  Gilia leptalea D. F. Howe 1978-7-14 5069 Placer Route 20, 29 miles west of Truckee. 1646 Comment
  SEINET11265983  Gilia leptalea subsp. leptalea George Helmkamp, E. A. Helmkamp 2010-7-28 16667 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat (Duncan Peak 7.5' Q.); 0 2039 Comment
  RSA261417  Githopsis specularioides Erika Aschmann 1974-5-25 22 Placer 8.7 miles W of Placer County Big Tree Grove on Mosquito Ridge Road, Tahoe National Forest. Comment
  CDA13797  Glyceria elata G. F. Hrusa, J. Glazner 1997-8-3 14046 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Wet opening on hillside spring among thicket of Alnus incana and Rhamnus alnifolia. Small colony. Difficult to separate from G. elata except smaller in all parts. Comment
  CHSC75334  Glyceria elata Susi Urie; Eric Schroder 1998-9-12 98 -366 Placer Lake Tahoe Basin-National Forest. Meadow complex on the south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  SACT001255  Glyceria elata D. Meyer 1984-7-15 Placer 1909.0 Comment
  UCD169941  Glyceria elata G. F. Hrusa; J. Glazner 1999-7-18 15214 Placer Between Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD44578  Glyceria elata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1944 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SACT001266  Glyceria grandis D. Meyer 1984-7-21 Placer East bank of river. Highway 89, 2 km north of Tahoe City 1879.0 Comment
  RSA0049733  Glyceria striata Dean Wm. Taylor 2013-8-7 21393 Placer Coldstream Valley, just above Horseshoe Bend on the railroad mainline 1889 Comment
  SACT001275  Glyceria striata Michael Baad 1976-8-4 Placer At end of jeep road, 2 miles east of Talbot Camp. Northeast of Mildred Ridge. 1975.0 Comment
  UCR218233  Gnaphalium californicum George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16445 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road on the west side of Iowa Hill Bridge over the North Fork of the American River 345 Comment
  CHSC74206  Gnaphalium palustre Susie Urie; Eric Schroder 1998-9-8 98 -297 Placer Lake Tahoe Basin--National Forest. Meadow complex on the north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UCD43214  Gnaphalium palustre C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 583 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SCFS1153  Goodyera oblongifolia E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #6. Comment
  RSA739694  Gratiola ebracteata John Dittes 2003-5-25 2003 -24 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 40 Comment
  SD81207  Grindelia camporum Darley F. Howe 1971-10-4 Placer 16 miles east of Auburn. 669 Comment
  SEINET11262438  Grindelia hirsutula var. davyi K. L. Chambers 1982-6-26 4979 Placer Hwy 65, 1.5 miles north of railroad overpass just north of Roseville. On Industrial Way near the railroad tracks.; 0 Comment
  UCD22140  Hackelia micrantha Rex Palmer 1979-7-12 N 656 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR246829  Hackelia micrantha George K. Helmkamp, E. A. Helmkamp 2010-7-28 16654 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  POM181063  Hackelia nervosa A. A. Heller 1912-7-20 10591 Placer Summit. 2073 Comment
  SEINET11849111  Haplopappus acaulis C. F. Sonne 1885-1 s.n. Placer Tinkers Knob, Sierra Nevada Mts 2743 Comment
  POM359761  Helenium puberulum Wm. Martin 1971-9-10 20238 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  CAS-BOT-BC314974  Hemizonella minima H. M. Hall 1910-7-11 8760 Placer Cisco Butte, Sierra Nevada Mountains 1981 Comment
  CAS-BOT-BC314975  Hemizonella minima Harriet A. Walker 1910-6-1 2036 Placer Deer Park, Lake Tahoe District Comment
  SEINET3147513  Hemizonella minima L. S. Rose 1940-5-29 40411 Placer 3 mi NE of Emigrant Gap 1676 Comment
  CDA38359  Heracleum lanatum T. C. Fuller 1973-8-23 19979 Placer Sierra Nevada; Southeast of Robinson Flat Guard Station. Comment
  JEPS71649  Hesperochiron californicus Gladys L. Smith and Betsy and Norman Wilson 1972-5-13 3267 Placer Alpine Meadows 2072 Comment
  HSC26678  Heterotheca grandiflora Thomas W. Nelson 1972-11-25 708 Placer Beside Del Oro Rd., near Roseville, CA Comment
  CAS-BOT-BC110575  Heuchera Saichi Kawahara 1969-5-25 882 Placer Just north of cabin, Henderson Ranch, Indian Creek. 999 Comment
  SEINET215105  Heuchera micrantha var. erubescens R. W. Cooper 1968-5-18 29 Placer American River Cyn 5 mi W of Foresthill Comment
  CAS-BOT-BC425220  Heuchera rubescens D. L. Smith; G. L. Stebbins 1976-7-3 C 7673 Placer Big Crater, on northwest side of Ralston Ridge 1249 Comment
  CAS-BOT-BC319600  Hieracium albiflorum Emily K. Mcpherson 1975-9-19 76- 28 -8 Placer One mile east of Talbot Campground near mid fork American River, Sierra Nevada 1767 Comment
  UC481030  Hieracium albiflorum R. L. Pendleton and F. M. Reed 1907-7-28 1304 Placer Tahoe Tavern Lake Tahoe Region 1898 Comment
  CAS-BOT-BC319598  Hieracium albiflorum E. A. McGregor 1909-8-13 122 Placer Susie Lake Trail near Alta 2316 Comment
  UC92008  Hieracium argutum Brandegee 1888-9-1 Placer Blue Canon Comment
  CAS-BOT-BC315996  Hieracium nudicaule H. M. Hall 1912-7-18 9365 Placer Willow Creek 1280 Comment
  CAS-BOT-BC316039  Hieracium scouleri K. Templeton; B. Love 1988-8-6 s.n. Placer Middle Fork American River 423 Comment
  SACT001285  Holcus lanatus D. Meyer 1984-5-6 Placer 145.5 Comment
  JEPS38265  Holocarpha virgata subsp. virgata J. W. Blankinship 1909-9-13 Placer Roseville Comment
  UC912268  Holocarpha virgata subsp. virgata Herbert L. Mason 1929-10-4 5449 Placer 3 mi s of Roseville; Folsom Road Comment
  SACT001301  Hordeum brachyantherum D. Meyer 1983-9-10 Placer West end near parking lot moist streambank and meadow. 1879.0 Comment
  JEPS71233  Hordeum brachyantherum subsp. brachyantherum Virginia Bufford 1932-9-9 526 Placer along Truckee River; along Truckee River Comment
  UCD85696  Hordeum jubatum Beecher Crampton 1964-7-9 7110 Placer Emigrant Gap, US Hwy. 40. 1615 Comment
  CDA37221  Hordeum leporinum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SACT001368  Hordeum leporinum Josephine Van Ess 1977-4-29 Placer 39.6 Comment
  HSC10202  Hordeum murinum subsp. leporinum L. M. Malloy 1965-4-17 26 Placer 5 mi. S of Auburn, 1/2 mi. E of Scott's Corner off of County Rd. P. 58. Comment
  SEINET4670477  Hordeum murinum subsp. leporinum A. Tiehm, Hugh N. Mozingo; Margaret Williams; Emily McPherson 1975-1 608 Placer One mile north of Lincoln Comment
  RSA122263  Horkelia fusca subsp. parviflora B. Bolt 1934-7-16 114124 Placer 1/2 mile S of Lost Emigrant Mine. 2073 Comment
  CAS-BOT-BC537867  Horkelia fusca var. parviflora Lewis S. Rose 1963-7-11 63211 Placer Tahoma, Lake Tahoe 1915 Comment
  NY436045  Horkelia sericoleuca C. F. Sonne 06 1888 353 Placer Marles [sp?] Creek Valley. Comment
  CDA15759  Horkelia tridentata G. F. Hrusa, L. Serafini 1993-6-29 11252 Placer S side of French Meadows Reservoir, immed. below dam. Comment
  UC567176  Horkelia tridentata subsp. tridentata G. T. Nordstrom 1934-6-21 149 Placer 3 mi n Mammoth Springs (s of Monumental Hill); Colfax quad, North Fork of American River 1584 Comment
  UCR215985  Horkelia tridentata subsp. tridentata George K. Helmkamp, Amy Barnes 2009-7-12 15178 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  SD237590  Horkelia tridentata var. tridentata G. K Helmkamp, Amy Barnes 2009-7-12 15178 Placer Sierra Nevada Mountains Foothills: along Foresthill Road, 10.3 miles northeast of the town of Foresthill (Michigan Bluff 7.5'Q) 1370 Comment
  CAS-BOT-BC537984  Horkelia tridentata var. tridentata G. T. Nordstrom 1934-6-21 149 Placer CA. Forest & Range Experiment Station: 3 mi. W by NW of Mammoth Springs 1584 Comment
  CAS-BOT-BC537985  Horkelia tridentata var. tridentata Marcus E. A M Jones 1882-6-27 3291 Placer Emigrant Gap Comment
  CAS-BOT-BC537987  Horkelia tridentata var. tridentata Saichi Kawahara 1969-5-24 847 Placer Near garden, Henderson Ranch, Indian Creek 1005 Comment
  UCD22017  Hosackia crassifolia Beth Lowe Corbin 1982-8-6 266 Placer On road 3/5 mile SW of Onion Creek campground. In rocky, fine, sandy soil along roadside. Herb 2 1/2' high. Flowers dark reddish purple with whitish edges. Mostly sun. SE facing slope, 20% incline. Common. 1920 Comment
  UCD22014  Hosackia oblongifolia Beth Lowe Corbin 1982-8-11 315 Placer 1 2/3 mile SW of Onion Creek campground. Along moist bank of drainageway, in montane chaparral. Herb about 18' high. Flowers yellow with red lines, wings white. Mostly shade. South facing slope, 20% incline. Common. 1889 Comment
  SEINET5327561  Hosackia stipularis A. Allen 1950-5-20 46 Placer on the old Hwy 40 1/2 a mi W of Gold Run near a bridge 1067 Comment
  JEPS71650  Hydrophyllum capitatum var. alpinum Gladys L. Smith and Betsy Wilson Jun 1971 3035 Placer 5 mi w Lake Tahoe (Alpien Meadows at foot of Ward Peak); Alpine Meadows, Ward Peak 2438 Comment
  UCD22027  Hydrophyllum capitatum var. alpinum Rex Palmer 1979-6-20 N 276 Placer Headwaters basin area of the North Fork of the American River. Comment
  SEINET5518653  Hydrophyllum occidentale var. watsonii A. A. Heller 1909-7-16 9838 Placer Summit 2134 Comment
  CDA7484  Hymenothrix loomisii T. C. Fuller 1962-9-2 9624 Placer South side of Highway 40 freeway to Donner Summit, 4.8 miles east of Weimar. 0 Comment
  POM86318  Hypericum I. E. Diehl 1902-7-7 50 Placer Colfax Comment
  UC871756  Hypericum anagalloides P. A. Lebenbauer 1932-6-26 Placer on shore Lake Tahoe (Tahoe City); , Tahoe City 1898 Comment
  RSA751264  Hypericum concinnum George K. Helmkamp, E. A. Helmkamp 2008-8-20 14033 Placer Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  UCD34023  Hypericum mutilum subsp. mutilum Beecher Crampton 1975-9-9 9274 Placer Placer County, Gold Run rest area on Hwy. 80. 914 Comment
  UCD35243  Hypericum mutilum subsp. mutilum Beecher Crampton 1952-11-9 925 Placer 6 miles east of Auburn. 457 Comment
  UCD39144  Hypericum perforatum subsp. perforatum Beecher Crampton 1964-7-21 7124 Placer 1 mile east of Cisco Grove (old site), old portion US Hwy. 40. 1737 Comment
  CDA36751  Hypochaeris glabra D. B. Joley 1976-4-22 13 Placer Loomis area, Butterfield s. 0 Comment
  UC1048671  Ipomopsis aggregata Lewis S. Rose 1941-6-11 41310 Placer Chambers Lodge Lake Tahoe Comment
  UC1123679  Ipomopsis aggregata B. Bolt 1934-7-6 85 Placer 1.5 mi se Monumental Hill; Tahoe National Forest, Colfax Quad. 1981 Comment
  UCD118224  Ipomopsis aggregata Mrs. Raus 1935-7-10 s.n. Placer Lake Tahoe. Comment
  SJSU8431  Ipomopsis aggregata N. D. Addy 1962-7-7 166 Placer by Hwy 50, 3 mi NE of Echo Summit 1981 Comment
  UC52720  Ipomopsis aggregata W. C. Blasdale July, 1897 Placer Lake Tahoe Region Comment
  JEPS111163  Ipomopsis congesta subsp. montana Steve Matson 2005-7-16 1397 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  SEINET11261858  Iris hartwegii subsp. pinetorum George Helmkamp, E. A. Helmkamp 2012-5-11 18942 Placer Foothills, Northern Sierra Nevada Mountains: Finning Mill Road, at the junction with Forest Hill Road (Foresthill 7.5' Q.); 0 1136 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
  UCD80364  Iris macrosiphon CNPS SN Foothill Team 2005-4-13 SNFN 0108 Placer Placer Legacy, Didion Ranch. On north-facing slope above Whiskey Diggins canal road. Near southern boundary of study area, approximately 2 miles west of intersection with entry road. Stand runs east to west across north face of slope and continues below Whiskey Diggins road into Coon Creek Drainage. 245 Comment
  CHSC84546  Isoetes howellii John Dittes 2003-5-25 2003 -28 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. In bed of vernal pool. 39 Comment
  POM196059  Isopyrum occidentale K. Sullivan 1929-4-28 s.n. Placer near colfax Comment
  JEPS16970  Iva axillaris subsp. robustior Peter H. Raven 1956-8-4 9978 Placer Blue Canyon Sierra Nevada 1432 Comment
  JEPS127444  Ivesia sericoleuca Steve Matson 1998-6-27 317 Placer Martis Valley; about 4 miles SE of Truckee: Martis Creek Wildlife area; south of Highway 267, north of Golf course. Comment
  CAS-BOT-BC340263  Jensia rammii C. L. Hitchcock 1940-5-14 6394 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  SACT002750  Juglans hindsii Josephine Van Ess 1976-4-21 Placer Collected near bridge over Dry Creek. Moist streambank. 27.4 Comment
  UCR146851  Juncus articulatus Beecher Crampton 1959-7-23 5429 Placer Sierra Nevada foothills, behind Placer Hills School, Meadow Vista 534 Comment
  UCD141444  Juncus chlorocephalus L. S. Smith 1915-1 s.n. Placer Squaw Valley. Comment
  UCD34026  Juncus effusus Beecher Crampton 1975-9-9 9278 Placer Placer County, Gold Run rest area on Hwy. 80. 914 Comment
  CAS-BOT-BC176419  Juncus effusus Peter Rubtzoff 1980-8-20 9590 Placer The southern lake of Serene Lakes (Ice Lakes on 1955 Donner Pass quadrangle, 15 minute series). At Serene Lakes Lodge. Comment
  UCR233662  Juncus effusus var. exiguus George K. Helmkamp, E. A. Helmkamp 2011-7-9 17674 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  SD51288  Juncus ensifolius Darley F. Howe 1961-8-8 Placer 4 miles north of Auburn. 456 Comment
  UCD141463  Juncus exiguus G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12957 Placer Northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill. 942 Comment
  CDA33209  Juncus mertensianus Jim Jokerst 1986-7-13 2720 Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, in Sheet Valley. Comment
  CHSC68066  Juncus nevadensis James D. Jokerst 1986-7-12 2695 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  POM110929  Juncus nevadensis Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  UCD43350  Juncus occidentalis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 718 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD36714  Juncus orthophyllus Beecher Crampton 1955-7-13 3000 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  RSA102051  Juncus oxymeris John H. Redfield 1872-8-7 369 Placer Blue Canyon. Comment
  CHSC68036  Juncus uncialis James D. Jokerst 1986-4-14 2616 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  JEPS46586  Juniperus californica Harriet P. Kelley 1914-7-14 Placer rocky hill side above Yuba River; Cisco Comment
  UCD162744  Juniperus grandis Dylan O. Burge; J. Bisbee 2014-5-25 1628 Placer Bear River watershed, roadside on California State Route 20. 1430 Comment
  JEPS66615  Kalmia polifolia subsp. microphylla Leland S. Smith 1925-5-21 1591 Placer Tahoe National Forest, Squaw Valley Squaw Valley; Tahoe National Forest, Squaw Valley 1889 Comment
  CAS-BOT-BC235570  Keckiella breviflora Marcus E. Jones 1882-6-28 3276 Placer Emigrant Gap Comment
  POM260303  Keckiella breviflora C. Leo Hitchcock 1940-5-14 6413 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  SCFS5071  Keckiella breviflora E. Krimmel, Faerthen Felix 2014-6-26 Placer North Fork American River Headwaters Basin, NFAm. Heath Falls trail. Comment
  UCD123691  Keckiella breviflora Beecher Crampton 1955-6-15 2882 Placer Dry canyon slopes, Bunch Canyon. Comment
  UCD38469  Keckiella breviflora Beecher Crampton 1955-6-15 2882 Placer Dry canyon slopes, Bunch Canyon. Comment
  UCR218448  Keckiella breviflora subsp. breviflora George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16421 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road, 3.2 miles southeast of its junction with Canyon Way, 4.4 air mi. SE (156 deg. ) of Colfax 412 Comment
  NY786792  Keckiella breviflora var. breviflora C. L. Hitchcock 1940-5-14 6413 Placer Meier Ranch, ca. 6 miles north of Colfax 762.0 Comment
  UC886836  Keckiella breviflora var. glabrisepala C. L. Hitchcock 1940-5-14 6413 Placer ca 6 mi n Colfax (Meier Ranch) 762 Comment
  RSA447635  Kelloggia galioides Fay A. MacFadden 1934-7-9 12732 Placer Emigrant Gap. Comment
  SEINET4560813  Kelloggia galioides George K. Helmkamp, E. A. Helmkamp 2011-1 18177 Placer Northern Sierra Nevada Mountains: Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2060 Comment
  UCD21609  Kelloggia galioides E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1278 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, ascending ridge. 2200 Comment
  SEINET12328850  Kelloggia galioides J. H. Nishida 1985-1 784 Placer Homewood 1829 Comment
  SEINET12631408  Kelloggia galioides P. A. Lehenbauer 1933-8-6 2985 Placer [Sierra Nevada] Homewood Comment
  RSA0087952  Kopsiopsis strobilacea William Overton 1977-6-4 s.n. Placer Across tracks ca. 100 yards, on Secret Town Road, 0.9 mile from junction with Magra Road (which is northwest of the Magra Road-Secret Town offramp of Interstate 80), between Colfax and Gold Run. Comment
  CDA24282  Kumlienia hystricula M. S. Bergseng 1959-2-23 Placer Ponderosa Road, across river from Weimar. 0 Comment
  UC131019  Kumlienia hystricula Mrs. K. Brandegee 1909-4-28 Placer near Auburn (in the Sierra Nevada Foothills); Sierra Nevada Foothills Comment
  CAS-BOT-BC340322  Kyhosia bolanderi A. M. Carpenter 1892-8-1 s.n. Placer Unspecified 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
  SDSU2756  Lagophylla glandulosa D. F. Howe 1962-8-10 3419 Placer 4 miles north of Auburn. 488 Comment
  CAS-BOT-BC341351  Lagophylla glandulosa L. R. Abrams 1917-9-15 6755 Placer 3-5 miles above Auburn Comment
  CAS-BOT-BC341360  Lagophylla glandulosa John Thomas Howell 1929-10-4 4435 Placer 4 miles below Colfax on road to Auburn Comment
  SD62081  Lagophylla glandulosa subsp. serrata Darley F. Howe 1965-5-20 Placer 3.5 miles north of Auburn. Comment
  CAS-BOT-BC341563  Lagophylla ramosissima Catherine Best 1984-8-11 1031 Placer South campground, Far West Reservoir 91 Comment
  UCR171020  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2006-2-9 10042 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  UCR171206  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2006-2-24 10075 Placer Northern Sacramento Valley, Junction of Wise Road and Garden Bar Road east of Ewing 95 Comment
  UC30448  Lasthenia californica H. N. Bolander 1865-4-13 4572 Placer New Castle Comment
  UC30449  Lasthenia californica H. N. Bolander 1865-4-11 4545 Placer Auburn Comment
  CAS-BOT-BC353495  Lasthenia fremontii Sterling Bunnell 1978-5-14 s.n. Placer Roseville, 0.5 mi N of Western Electric Plant on Industrial Blvd. Comment
  CAS-BOT-BC355484  Lasthenia glaberrima Sterling Bunnell 1978-5-14 s.n. Placer Roseville, 1/2 mi. N of Western Electric Plant on Industrial Blvd. Comment
  UC372674  Lathyrus jepsonii var. californicus Marcus E. Jones 1883-7-1 Placer Emigrant Gap Comment
  UCR190147  Lathyrus latifolius George K. Helmkamp, E. A. Helmkamp 2007-9-14 12951 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCR235588  Lathyrus nevadensis subsp. nevadensis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18930 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  RSA305950  Lathyrus nevadensis subsp. nevadensis Fay A. MacFadden 1934-3-25 12431 Placer Canyon Creek, Monte Vista Inn. Comment
  CAS-BOT-BC213270  Lathyrus sulphureus Mrs. Mary E. P. Ames 1892-5-1 s.n. Placer Auburn Comment
  CDA17000  Lathyrus sulphureus G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16053 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CHSC89283  Lathyrus sulphureus G. F. Hrusa; M. I. Wibawa, J. Glazner 2002-5-22 16053 Placer Sierra Nevada. Hughes Mill (site) above Foresthill. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  UCR235613  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2012-5-5 18914 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  UC30610  Layia fremontii H. N. Bolander 1865-4-11 4548 Placer near Auburn Comment
  UCR249587  Layia fremontii George K. Helmkamp, Amy Barnes 2013-3-28 20283 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  SD260903  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Mary Alice Barnes 2013-4-18 20337 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 0.9 mil East of its junction with Canyon Way, 4.4 miles SE (167a^z) of Colfax (Colfax 7.5'Q) 561 Comment
  UCD133982  Layia platyglossa G. K. Helmkamp; E. A. Helmkamp 2006-2-9 10063 Placer Northern Central Valley, Clark Tunnel Road and CA Highway 193, East of Lincoln. 113 Comment
  SD6093  Ledum glandulosum unknown Aug 1914 Placer Summit Comment
  CAS-BOT-BC527310  Lemna trisulca W. R. Dudley No date on label. s.n. Placer Near Sierraville Comment
  UC91866  Leontodon saxatilis subsp. saxatilis Brandegee 1889-7-5 Placer Dutch Flat Comment
  UCR170792  Lepidium campestre George K. Helmkamp, E. A. Helmkamp 2005-9-30 9959 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR231849  Lepidium latifolium George K. Helmkamp, E. A. Helmkamp 2010-8-11 16754 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  CDA32946  Lepidium nitidum P. W. Hiatt 1979-3-29 Placer Near Rocklin; Sierra College Blvd. 0 Comment
  UC570340  Lepidium perfoliatum N. French 1933-6-15 78 Placer Clipper Cap Sacramento Quad. 518 Comment
  CAS-BOT-BC12897  Lepidium strictum L. R. Abrams 1935-1-1 13657 Placer Roseville, Sacramento Valley. Comment
  UCR191090  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2007-6-12 12323 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  SD44651  Leptosiphon bicolor Darley F. Howe 1951-5-2 2111 Placer Placer County 456 Comment
  POM260279  Leptosiphon bolanderi C. L. Hitchcock 1940-5-15 6407 Placer 6 miles N of Colfax Comment
  POM299439  Leptosiphon harknessii L. S. Rose 1941-7-18 41322 Placer Chambers Lodge (McKinney), Lake Tahoe 2100 Comment
  UC829039  Lessingia virgata A. A. Heller 1915-9-12 12275 Placer fields near Roseville Comment
  SEINET6168463  Leucophysalis nana L. R. Miller 1934-7-8 s.n. Placer Cisco Comment
  UC1121029  Leucothoe davisiae B. Bolt 1934-7-6 84 Placer Tahoe National Forest, e slope of Texas Hill Texas Hill; Tahoe National Forest, Texas Hill 1584 Comment
  SCFS1197  Lewisia E. Krimmel 2014-4-21 Placer NFAm. Comment
  JEPS73656  Lewisia kelloggii subsp. kelloggii L. R. Heckard with G. L. Stebbins 1973-6-17 3444 Placer about 7 air miles SE of Emigrant Pass (summit of Big Valley Bluff) 1935 Comment
  CAS-BOT-BC444162  Lewisia nevadensis A. A. Heller 1917-6-17 12714 Placer Along the Yuba River below Cisco 1676 Comment
  CHSC74117  Lewisia nevadensis Susi Urie 1998-8-11 98 -021 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  SEINET11942484  Lewisia pygmaea C. F. Sonne 1882-1 33 Placer Mt. Stanford, Sierra Nevada Mts. Comment
  UCD22152  Lewisia triphylla Rex Palmer 1979-6-19 N 262 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET5336592  Lewisia triphylla A. A. Heller 1909-7-16 9858 Placer Summit 2134 Comment
  UCD38667  Leymus triticoides Beecher Crampton 1956-7-17 3725 Placer Blue Canyon. 1432 Comment
  CDA13666  Ligusticum grayi G. F. Hrusa, J. Glazner 1997-8-3 14026 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC73002  Ligusticum grayi L. P. Janeway 1998-8-6 5991 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  JEPS72671  Ligusticum grayi Gladys L. Smith 1972-6-18 3139 Placer Alpine Meadows 2072 Comment
  UC21113  Ligusticum grayi C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  UCD21642  Ligusticum grayi Rex Palmer 1979-7-25 N 686 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET11120010  Ligusticum grayi M. J. Williams 1985-7-6 85- 61 -4 Placer Sierra Nevada, near old Donner Summit [road,] S of Lake Mary. 2286 Comment
  UC3704  Lilium kelleyanum Mrs. M. M. Hardy 1893-1 Placer Comment
Read comments
Dec 13 2006
  CAS-BOT-BC130775  Lilium pardalinum A. M. Vollmer; L. Beane 1951-7-1 188 Placer Bear Valley, east of Nevada City Comment
  CAS-BOT-BC130777  Lilium pardalinum Albert Vollmer 1949-7-6 12 -D Placer Bear Valley Comment
  UC984809  Lilium pardalinum A. M. Vollmer and L. Beane Jul 1951 188 Placer e of Nevada City (Bear Valley); Bear Valley Comment
  CAS-BOT-BC130774  Lilium pardalinum Lena E. Bowley 1941-6-1 s.n. Placer Colfax Comment
  SEINET3992198  Lilium pardalinum Vollmer, L. Beane 1951-1 188 Placer Bear Valley, east of Nevada City Comment
  SEINET12057833  Lilium parvum B. C. Templeton 1931-7-4 1504 Placer near Meeks Bay, Lake Tahoe 2280 Comment
  CAS-BOT-BC334223  Lilium washingtonianum var. washingtonianum George K. Helmkamp; Mary Alice Barnes; E. A. Helmkamp 2012-9-8 19796 Placer Northern Sierra Nevada Mountains: Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  JEPS19575  Limnanthes alba Wm. H. Shockley 1879-1 Placer Auburn Comment
  CAS-BOT-BC110636  Limnanthes alba A. A. Heller 1940-4-20 15539 Placer Near Whitney Station south of Lincoln, on U.S. Highway #99E. Comment
  UC1746057  Limnanthes alba subsp. alba Annetta M. Carter with Galen Smith 1951-4-16 Placer near Roseville Comment
  POM86007  Limnanthes alba var. detonsa Marcus E. Jones 1882-5-28 3285 Placer Emigrant Gap. Comment
  UC880322  Linanthus bolanderi C. L. Hitchcock 1940-5-15 6407 Placer 6 mi n Colfax Comment
  SEINET9350509  Linanthus bolanderi M. Wibawa, Glazner, J. 2002-5-22 259 Placer Hughes Mill Comment
  UC1123981  Linanthus ciliatus N. French 1934-6-22 483 Placer 0.5 mi w Lake Van Norden; Tahoe National Forest, Truckee Quad. 2133 Comment
  UC572434  Linanthus ciliatus N. French 1934-6-22 483 Placer 0.5 mi w Lake Van Norden 2133 Comment
  SEINET9333463  Linanthus harknessii George Hrusa, Glazner, J. 1999-7-17 15153 Placer Martis Valley Comment
  UC133952  Linanthus harknessii Miss Harriet A. Walker 1908-7-27 1510 Placer Cisco 1688 Comment
  UCD21974  Linanthus pungens Beth Lowe Corbin 1982-8-4 234 Placer 1 1/8 miles NNW of Onion Creek campground. 2194 Comment
  UC217663  Linaria vulgaris Katharine Brandegee Placer Donner, Summit House Donner; , Summit House Comment
  CDA6376  Linaria vulgaris J. C. Henderson, K. Stark 1971-7-16 Placer Sierra Nevada; Southern Pacific Railroad tracks, Gold Run. Comment
  UC1191861  Lindernia dubia var. dubia Malcolm A. Nobs and S. Galen Smith 1949-8-22 1543 Placer sw city limits Roseville Comment
  SEINET11261795  Linum lewisii var. alpicola George K. Helmkamp, E. A. Helmkamp 2011-7-26 17891 Placer Northern Sierra Nevada Mountains: Bowman Lake Road, 0.9 miles N of its junction with CA Hwy 20, 0.85 miles NE (23 degrees) of Emigrant Gap and N of I-80.; 0 1434 Comment
  UC13524  Listera convallarioides Chesnut and Drew 1889-7-1 Placer Ackerman's Comment
  UCR194956  Lithophragma bolanderi George K. Helmkamp, E. A. Helmkamp 2007-5-18 12033 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road near the crossing of the North Fork of the West Fork of the American River; 9.5 miles southeast of Foresthill 439 Comment
  CAS-BOT-BC435607  Lithophragma glabrum A. A. Heller 1917-6-17 12684 Placer Near the Yuba river below Cisco 1676 Comment
  UCD22329  Lithophragma parviflorum Rex Palmer 1979-6-19 N 217 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD18323  Lithospermum californicum A. M. Shapiro 2001-5-12 s.n. Placer near Dutch Flat. 914 Comment
  SEINET4671414  Lolium multiflorum J. G. Wright, J. M. Wright 2000-3-27 000001 Placer From I-80 West, Reno to Sacramento, take the Lincoln exit. 91 Comment
  CDA15458  Lolium perenne D. Mitani 1999-3-31 PDR 1223619 Placer Sierra Nevada; Winchester Country Club golf course, Meadow Vista. 0 Comment
  SACT001450  Lolium perenne D. Meyer 1984-6-23 Placer Along Placer-Nevada County Line. Shady moist soil next to concrete river bypass canal. 594.0 Comment
  UCD66468  Lolium perenne Beecher Crampton 1975-9-9 9283 Placer Alta, Interstate Hwy. 80 W. Comment
  UCR173175  Lolium perenne subsp. multiflorum George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10128 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  SACT001466  Lolium temulentum D. Meyer 1983-5-15 Placer Field at southeast corner. 36.6 Comment
  SDSU2374  Lomatium utriculatum unknown 1948-5-21 1930 Placer 457 Comment
  UC141208  Lomatogonium rotatum C. F. Sonne Jul 1889 Placer near Tahoe City (Lake Tahoe); Sierra Nevada Mountains Comment
  UCR130216  Lotus corniculatus George K. Helmkamp, E. A. Helmkamp 1999-6-30 5093 Placer Northern Sierra Nevada Mtns., Soda Springs Rd 0.9 mi south of Donner Pass Rd, approaching Ice Lakes 2104 Comment
  UC864903  Lotus incanus C. L. Hitchcock 1940-5-7 6326 Placer ca 1 mi w Baxter Comment
  JEPS20049  Lotus incanus Leland S. Smith 1926-5-25 1859 Placer e of Michigan Bluff (below Dollar Camp); Mosquito Ridge 1219 Comment
  CDA37243  Lotus micranthus CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UC212478  Lotus micranthus Mary E. P. Ames Apr 1895 Placer Auburn Comment
  RSA406188  Lotus micranthus Fay A. MacFadden 1934-3-31 12423 Placer Near Monte Vista Inn. Comment
  UC65765  Lotus nevadensis var. nevadensis P. B. Kennedy and S. B. Doten 1901-8-7 249 Placer Summit Soda Springs Comment
  RSA293385  Lotus oblongifolius Reino Alava 1958-5-2 1994 -A Placer About four miles from auburn along the road to Nevada City. Comment
  JEPS59490  Lotus oblongifolius var. oblongifolius Ezra Brainerd and Viola B. Baird 1915-7-12 242 Placer n side Donner Lake; Sierra Nevada Mts. 1828 Comment
  UC15725  Lotus oblongifolius var. oblongifolius Mrs. M. M. Hardy 1893-1 Placer Comment
  RSA756852  Lotus pinnatus George K. Helmkamp, E. A. Helmkamp 2009-7-16 15210 Placer Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  CDA19491  Lotus purshianus var. purshianus M. I. Wibawa 2002-5-27 262 Placer Sacramento Valley; Folsom Lake State Recreation Area. 121 Comment
  RSA122898  Lotus unifoliolatus B. Bolt 1934-7-20 154 Placer Whiskey Hill. 1646 Comment
  CDA3835  Lunaria annua T. C. Fuller, H. K. Wagnon 1964-5-18 11982 Placer South of railroad tracks, east of Dutch Flat Road. Alta. 0 Comment
  UCD109686  Lupinus S. L. Smith 1916-6-19 593 Placer north slope, Squaw Valley. Comment
  UCD43995  Lupinus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1361 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC201253  Lupinus Charles Piper Smith 1932-9-2 4775 Placer Tahoe City, 3 miles north on Truckee Road Comment
  RSA0025723  Lupinus John F. Emmel 1992-7-2 1230 Placer Carson Range ESE of Truckee; ridge 1.0 air mile south and 1.6 air mile east of Martis Peak. 2733 Comment
  UC194800  Lupinus C. F. Sonne 1891-4-5 Placer along R.R. bet. Auburn and Newcastle; bet. Auburn and Newcastle Comment
  SEINET3246117  Lupinus adsurgens G. K. Helmkamp, E. A. Helmkamp 2007-1 12630 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 Comment
  UCD105842  Lupinus adsurgens G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12630 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  UCR194960  Lupinus adsurgens George K. Helmkamp, E. A. Helmkamp 2007-5-18 12008 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  RSA11950  Lupinus albicaulis var. albicaulis Elmer I. Applegate 1928-4-22 5365 Placer Near and above Auburn. Along Grass Valley Road. Comment
  SEINET5327623  Lupinus albifrons A. Allen 1950-4-30 28 Placer 2 miles east of Auburn on Hwy 40. 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
  POM27663  Lupinus andersonii var. andersonii Marcus E. Jones 1882-7-3 s.n. Placer Dutch Flat Comment
  RSA258882  Lupinus andersonii var. apertus Thomas W. Nelson, James Nelson, A. P. Nelson 1974-6-17 1354 Placer Beside Hwy 80 at its jct with Blue Canyon Road, 9 miles W of the Placer - Nevada County line. Comment
  UCR111007  Lupinus angustiflorus George K. Helmkamp, E. A. Helmkamp 1999-6-30 5094 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  UC1129252  Lupinus apertus G. T. Nordstrom 1934-6-18 102 Placer North Slope Texas Hill; Tahoe National Forest, Colfax Quad., Texas Hill Comment
  JEPS46223  Lupinus apertus L. S. Smith 1931-6-3 2553 Placer summit at Duncan Peak (Tahoe Forest); , Duncan Peak 2133 Comment
  SCFS1174  Lupinus arbustus E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Drying creek bed at Chickering. Comment
  UC1129501  Lupinus argenteus var. meionanthus R. C. Wilson 1934-9-20 77 Placer Granite Chief Mt.; Tahoe National Forest, Truckee Quad. 2743 Comment
  UCR208276  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2009-5-7 14644 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.9 miles east of its junction with Forest Hill Road in Foresthill 476 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
  UC1949024  Lupinus benthamii Barbara Ertter with David Thompson 1989-4-9 8199 Placer Coloma Road E of Auburn Comment
  RSA0035676  Lupinus bicolor George K. Helmkamp, Mary Alice Barnes 2013-4-18 20342 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  SD255737  Lupinus bicolor George K. Helmkamp, Amy Barnes 2014-3-21 22644 Placer Sacramentop Valley; Sheridan, Riosa Road at the west side of its junction with old CA 65. 32 Comment
  SEINET10484848  Lupinus bicolor Thomas W. Nelson 1979-4-10 Nelson 4593 Placer Along w side of sierra college blvd. Between i-80 and douglas blvd. Rocky moist Meadow and oak woodland Comment
  SEINET5328114  Lupinus bicolor var. microphyllus A. Allen 1950-4-6 3 Placer Roadside 5 miles east of Roseville on Rocky ridge road 46 Comment
  CAS-BOT-BC208860  Lupinus breweri var. breweri John Thomas Howell 1938-8-2 14011 Placer Sand dunes on Lake Tahoe at Brockway. Comment
  SEINET9363475  Lupinus confertus Unknown 1999-7-17 15148 Placer Martis Valley Comment
  SEINET9339342  Lupinus densiflorus var. densiflorus Unknown 1999-7-17 15148 Placer Martis Valley Comment
  RSA619099  Lupinus fulcratus R. S. Woglum 1934-08 1306 Placer Northern Sierra Nevada Mountains: Lake Tahoe. [Placer / El Dorado counties] Comment
  SEINET12154581  Lupinus lepidus C. F. Sonne 23 Aug 188- 54 Placer Tinker's Knob 2896 Comment
  UC127525  Lupinus lepidus var. confertus Miss Harriet A. Walker 1908-7-28 1483 Placer Bank of Yuba River Cisco (Cisco); Bank of Yuba River Comment
  JEPS111286  Lupinus lepidus var. lobbii Steve Matson 2005-7-30 1421 Placer Squaw Valley ski area, 1 km WSW of High Camp (top of tramway): 39.1937 N, 120.2647 W; elevation 8,100 ft. 2468 Comment
  SJSU10719  Lupinus lepidus var. lobbii R. L. Fisher 1957-8-5 Placer Emigrant Meadow 3 mi S of Norden at headwaters of S Fork Yuba R 2286 Comment
  CDA24989  Lupinus lepidus var. sellulus J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD108565  Lupinus lepidus var. sellulus A. A. Heller 1912-7-20 10588 Placer Summit. 2072 Comment
  UCD43094  Lupinus lepidus var. sellulus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 462 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD83615  Lupinus lepidus var. sellulus Albert Grigarick 2009-8-20 182 Placer E of Truckee, on S end of Martis Creek Reservoir. 1775 Comment
  RSA413787  Lupinus lyallii var. lyallii Marcus E. Jones 1930-7-10 25457 Placer Lake Tahoe Comment
  RSA413788  Lupinus lyallii var. lyallii Bonnie C. Templeton 1931-7-5 1506 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UCR235596  Lupinus microcarpus var. densiflorus George K. Helmkamp, E. A. Helmkamp 2012-5-5 18921 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  SEINET3271551 Image available Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14603 Placer Sierra Nevada Mountains Foothills; Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  UC1586093  Lupinus nanus Barbara Ertter with David Thompson 1989-4-9 8197 Placer ne Auburn (halfway down road to Lake Clementine (= North Fork Lake)); dwn rd to Lake Clementine (= North Fork Lake), ne of Auburn 304 Comment
  UCR208567  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14603 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  UCR235395  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18940 Placer Foothills, northern Sierra Nevada Mountains, Finning Mill Road at the junction with Forest Hill Road 1136 Comment
  RSA761030  Lupinus nanus Barbara Ertter, David Thompson 1989-4-9 8188 Placer Auburn-Forest Hill Road 6.2 miles southwest of Spring Garden Road junction, 8 miles northeast of Auburn. 610 Comment
  RSA413833  Lupinus polyphyllus subsp. polyphyllus Wm Vortriede 1928-1 s.n. Placer Lake Tahoe Comment
  CAS-BOT-BC438822  Lupinus polyphyllus var. burkei George K. Helmkamp; Mary Alice Barnes 2013-5-3 20458 Placer Northern Sierra Nevada Mountains Foothills: Forest Hill Road, 4.8 miles east of its junction with Upper Clementine Lake Road, 10.1 mi. NE (52 deg. ) of Auburn. 672 Comment
  SEINET8059863  Lupinus polyphyllus var. burkei P. B. Kennedy, S. B. Doten 1901-8-18 412 Placer [Sierra Nevada] Talbots Home Camp, 7 mi from French Meadows Comment
  SEINET10903499  Lupinus sellulus Gordon H. True, John Thomas Howell 1967-8-16 True 3781 Placer Fordyce lake road just south of lake, ca. 5 Mi north of cisco grove. Common on Dry forest floor. 2042 Comment
  SEINET881443 Image available Lupinus silvicola A. A. Heller 1909-1 s.n. Placer Summit. 2133 Comment
  JEPS99467  Luzula cascadensis Steve Matson 2002-8-17 710 Placer Tahoe Basin, Antone meadows northwest of Tahoe City, Burton Creek, 3/4 miles west of dam 2072 Comment
  CDA12390  Luzula comosa G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8518 a Placer Lake Tahoe; Upper Ward Valley, 4 m SW Tahoe City. Comment
  POM110695  Luzula comosa Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC436669  Luzula comosa var. laxa Dr. Kellogg 1870-6-16 s.n. Placer Cisco Comment
  CAS-BOT-BC436672  Luzula comosa var. laxa L. S. Smith 1927-8-12 2206 Placer Tahoe National Forest: Upper Basin, Squaw Creek 2133 Comment
  JEPS73265  Luzula divaricata Gladys L. Smith 1972-8-25 3425 A Placer along trail n-facing slope Granite Chief; n-facing slope Granite Chief 2621 Comment
  SD239494  Luzula macrantha George K Helmkamp, E. A. Helmkamp 2012-5-5 18937 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road (Georgetown 7.5'Q) 779 Comment
  RSA0011311  Lythrum hyssopifolia I. E. Diehl 1902-7-7 s.n. Placer Colfax. Comment
  JEPS126353  Madia elegans Steve Matson 1998-7-27 346 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west of North Ave. at junction west fork of Snow Creek. Comment
  UC147651  Madia exigua Harriet A. Walker 1908-6-24 1282 Placer Blue Canyon 1432 Comment
  JEPS126382  Madia glomerata Steve Matson 2002-7-14 568 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 yards south of Highway 267 and 200 yards west of junction of Creek and 267. Comment
  UCD42932  Madia glomerata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 301 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCR240967  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2012-9-25 19919 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  JEPS119434  Madia gracilis George K. Helmkamp, Ann Kerchner, Amy Barnes 2011-7-26 17855 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap Comment
  UC905680  Madia gracilis H. M. Hall 1910-6-26 8719 Placer Cisco west slope Sierra Nevada 1804 Comment
  UCD134281  Madia gracilis A. S. Crafts 1926-5-1 790 Placer American River Canyon. Comment
  POM253192  Madia rammii A. A. Heller 1938-5-7 15076 Placer Between Smartsville and Rough and Ready. Nevada city about 12 miles E Comment
  CAS-BOT-BC345247  Madia subspicata Eric Brenner; John Hunter 1996-5-26 002 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon 1870 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
  SCFS11529137  Maianthemum racemosum E. Krimmel, F. Felix 2012-9-13 Placer NFAm, downstream from Cedars. On streambank. Comment
  UCD139055  Maianthemum racemosum Beecher Crampton 1972-9-28 8882 Placer ca. 1 mile east of Baxter. Comment
  UCD33763  Maianthemum racemosum Beecher Crampton 1972-9-28 8882 Placer 1 mile east of Baxter. Comment
  CAS-BOT-BC512081  Maianthemum racemosum subsp. amplexicaule F. Almeda 1993-7-24 7272 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley. 2133 Comment
  UCD43084  Maianthemum stellatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 452 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD107633  Marah fabacea G. K. Helmkamp; E. A. Helmkamp 2006-2-24 10067 Placer Sacramento Valley; edge of Sierra Nevada Foothills: Junction of Clark Tunnel Road and CA Highway 193, E of Lincoln. 113 Comment
  UCD107663  Marah fabacea Gordon H. True; John Thomas Howell 1972-3-17 7074 Placer Just south of Auburn Ravine, 1.5 miles west of Lincoln. 48 Comment
  CDA42746  Marsilea vestita R. Danielson 1962-6-17 s.n. Placer Highway 99 E to Marysville, 4 miles north of Roseville. 0 Comment
  SEINET11601814 Image available Matricaria discoidea R. Elliott, H. N. Mozingo 1979-3-31 s.n. Placer 518 Comment
  UCR238582  Matricaria matricarioides George K. Helmkamp, E. A. Helmkamp 2012-3-31 18652 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  SD44635  Medicago arabica Darley F. Howe 1951-5-2 2113 Placer Placer County 456 Comment
  UC73222  Medicago lupulina Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe Comment
  UCR173177  Medicago polymorpha George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10125 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  CAS-BOT-BC269215  Melica aristata California Academy of Sciences 1870-6-1 s.n. Placer Cisco, Sierra Nevada Mountains Comment
  SACT001475  Melica aristata D. Meyer 1984-7-8 Placer very moist streambank beneath bridge 1290.0 Comment
  CAS-BOT-BC269217  Melica aristata California Academy of Sciences 1870-6-10 s.n. Placer Cisco/Sierra Nevada Comment
  SEINET4671509  Melica aristata P. B. Kennedy, S. B. Doten 1901-8-15 294 Placer Talbots home camp 7 miles from French Meadows Comment
  CHSC67742  Melica bulbosa James D. Jokerst 1986-7-13 2734 Placer Trail from The Cedars, high Sierra Nevada NW of Donner Lake, just below the summit of Needle Peak. Comment
  UCD18259  Melica bulbosa E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 471 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  UCD86450  Melica californica Beecher Crampton 1957-5-7 3980 Placer 3.2 miles north of city of Roseville, along railroad and U.S. Highway 99E. Comment
  SACT001498  Melica californica var. nevadensis Michael Baad 1976-6-3 Placer 1.1 miles east of bridge. 3.3 miles east of Auburn on Old Auburn to Foresthill Road. Southwest facing slope. 217.0 Comment
  SACT001521  Melica harfordii D. Meyer 1984-8-4 Placer wet roadside ditch and shaded hillside seeping water 1454.0 Comment
  SACT001519  Melica harfordii D. Meyer 1984-6-10 Placer Steep shady cliff along slow moving stream. 606.0 Comment
  SACT001529  Melica stricta Michael Baad 1976-8-25 Placer ridge north of and including Twin Peaks. 3.5 miles northwest of Homewood. 2500.0 Comment
  SEINET2470947  Melica stricta K. Christie 2010-7-8 1888 Placer Lake Tahoe Basin Management Unit (USFS); along FR 16N73, just to the northeast of Painted Rock. 2255 Comment
  SACT001540  Melica torreyana Michael Baad 1983-4-17 Placer 411.48 Comment
  SACT001557  Melica torreyana D. Meyer 1984-6-17 Placer just south of bridge over American River 545.0 Comment
  SEINET11262285  Melica torreyana George Helmkamp, E. A. Helmkamp 2012-5-5 18915 Placer Northern Sierra Nevada Mountain Foothills: Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, .3 air miles SE of Clementine Dam on the American River (Auburn 7.5').; 0 396 Comment
  CHSC79164  Melilotus albus Beecher Crampton 1972-7-26 8848 Placer Carpenter Flat east of Emigrant Gap. Drainage ditch along Laing's road. 1615 Comment
  UC303589  Mentzelia congesta G. B. Grant July, 1906 7067 Placer Lake Tahoe Comment
  JEPS126287  Mentzelia dispersa Steve Matson 1998-6-21 260 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters north of Highway 267. Comment
  OBI48941  Mentzelia dispersa Lewis S. Rose 1938-9-14 38269 Placer Truckee River, 3 mi NW of Tahoe City 1829 Comment
  CAS-BOT-BC428532  Micranthes aprica John H. Thomas; Hazelle A. Thomas 1956-7-21 6125 A Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  UCD22378  Micranthes aprica Rex Palmer 1979-6-19 N 243 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS127553  Micranthes oregana Steve Matson 1997-7-10 92 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/ Kings Beach; west fork Snow Creek; bog at western terminus of North Ave dirt extension. Comment
  CAS-BOT-BC348682  Microseris acuminata Gordon H. True 1971-4-21 6525 Placer On Roseville-Lincoln Highway, ca. 5 miles north of Roseville Comment
  CAS-BOT-BC349324  Microseris nutans H. N. Bolander; Keller, M. D. & Co. No date on label s.n. Placer Cisco Comment
  CDA15637  Microseris nutans G. F. Hrusa, J. Glazner 1999-7-18 15207 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  RSA636072  Microseris nutans Robert M. Rhode, Barbara Nemeth 1997-6-26 166 Placer Blackwood Creek Canyon (c. 4 miles south of Tahoe City), approx. 6300-6500 ft. Near Blackwood Creek Canyon Road, about 0.4 mile west of turnoff from Highway 89. 1921 Comment
  CAS-BOT-BC349325  Microseris nutans Albert Kellogg 1870-1-1 s.n. Placer Camp Yuba: Cisco, Sierra Nevada Mts. Comment
  CAS-BOT-BC349330  Microseris nutans Alice Eastwood 1912-6-15 s.n. Placer Dear Park, Lake Tahoe Region Comment
  CHSC62188  Microseris sylvatica K. L. Chambers 1962-4-22 2125 Placer Hwy. 65, 1.4 mi. n. of the railroad overpass at Roseville, on road to Lincoln. Roadside. Comment
  RSA26978  Mimulus angustatus C. L. Hitchcock 1940-5-14 6397 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UC194074  Mimulus angustatus Mrs. M. E. P. Ames 1882-1-1 Placer Auburn Comment
  UCR208568  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14602 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  JEPS4597  Mimulus aurantiacus var. grandiflorus Matt Herbrand 1916-7-2 Placer Emigrant Gap Comment
  UC26698  Mimulus aurantiacus var. grandiflorus Mrs. M. M. Hardy 1893-1 Placer Comment
  UCR233400  Mimulus breweri George K. Helmkamp, E. A. Helmkamp 2011-8-26 18186 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  SCFS11529155  Mimulus cardinalis Unknown 2014-7-5 Placer Onion Creek crossing near confluence with NF Am. river, on trail Comment
  UCR231861  Mimulus cardinalis George K. Helmkamp, E. A. Helmkamp 2010-8-14 16775 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  UC193598  Mimulus douglasii Mrs. M. E. P. Ames 1885-1 6202 Placer Auburn Comment
  CDA16995  Mimulus guttatus G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16048 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  POM43705  Mimulus guttatus Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  UC103721  Mimulus guttatus T. S. Brandegee Sept. 1888 Placer Donner Comment
  UC1609530  Mimulus guttatus T. S. Brandegee Sept. 1888 Placer Donner 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
  UCR208601  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14629 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  CDA41804  Mimulus guttatus Rex Palmer 1979-7-19 N 227 Placer Headwaters Basin Area of the North Fork of the American River. 0 Comment
  RSA519034  Mimulus guttatus Barbara J. Ertter, David M. Thompson 1989-4-8 8148 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  UC27039  Mimulus lewisii C. F. Sonne 1887-8-7 Placer canyon above Coldstream; Sierra Nevada Mountains Comment
  UCR242327  Mimulus mephiticus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16679 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.8 miles east of Forest Route 13/American Hill Road 1662 Comment
  UC1563709  Mimulus microphyllus Barbara Ertter with David Thompson 1989-4-8 8148 Placer ca. 2 mi from I-80 (Iowa Creek Road, near entrance to Auburn State Recreation Area, at creek crossing) 518 Comment
  UCD44711  Mimulus microphyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2077 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CHSC81824  Mimulus moschatus Lowell Ahart 2001-10-10 9357 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  UCD82830  Mimulus moschatus Robin McMaster 1973-6-3 444 Placer Lake Spaulding. 1524 Comment
  UCD122818  Mimulus moschatus F. A. MacFadden 1934-7-9 s.n. Placer P.G. and E. flume below Emigrant Gap. 1371 Comment
  JEPS9069  Mimulus nasutus Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, Juan Hunziker, Friedr. Ehrendorfer, et al. 1952-7-19 3857 Placer below Cape Horn (1/2 mi above bridge on Colfax-Iowa Hill road); North Fork of American River 381 Comment
  RSA434711  Mimulus primuloides Bonnie C. Templeton 1931-7-5 1507 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  JEPS124590 Image available Mimulus primuloides Laurie Hooker 1965-6-27 23 Placer Meadow at left of Highway 89 So. 3.7 miles past Montreal Road Placer County. Comment
  UCD44420  Mimulus primuloides var. primuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1786 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC103790  Mimulus tilingii C. F. Sonne 1895-8-1 Placer above Coldstream; Sierra Nevada Mts. 2438 Comment
  UCD42783  Mimulus tilingii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 149 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC147630  Mimulus torreyi Harriet A. Walker 1908-6-24 1257 Placer Blue Canyon 1432 Comment
  UC1047919  Mimulus torreyi Kay H. Beach 1940-9-12 1053 Placer near Soda Springs; Sierra Nevada Mountains Comment
  CAS-BOT-BC174570  Minuartia californica Carl B. Wolf 1937-3-30 8349 Placer Sacramento Valley, 4 8/10 mi. E. of Lincoln on Penryn Road 91 Comment
  UCD98254  Minuartia californica F. M. Dummel 1967-4-26 12 Placer 2 miles west of Penryn. 228 Comment
  SCFS5109  Minuartia douglasii F. Felix, Erica Krimmel 2013-5-19 10 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  UCD42796  Mitella breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 162 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  RSA463237  Monardella odoratissima J. H. Nishida 1985-7-10 776 Placer Homewood. 1829 Comment
  SEINET3996429 Image available Monardella odoratissima Lewis S. Rose 1941-7-16 41316 Placer Homewood, Lake Tahoe 1920 Comment
  UCR171333  Monardella odoratissima George K. Helmkamp, E. A. Helmkamp 2005-10-1 9982 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  CAS-BOT-BC318580  Monardella odoratissima Catherine Best 1981-8-2 s.n. Placer Above French Meadow Reservoir. Comment
  SEINET13948628 Image available Monardella odoratissima Lewis S. Rose 1941-1 41316 Placer Open pine forest. Homewood, Lake Tahoe, alt ca 6300 ft 1920 Comment
  RSA636076  Monardella odoratissima subsp. pallida Robert M. Rhode, B. Nemeth 1997-6-26 170 Placer Near Blackwood Creek Canyon Road, about 0.4 miles west of turnoff from Highway 89 ( c. 4 miles south of Tahoe City) 1921 Comment
  UCR200859  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2008-9-15 14103 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  UCR209736  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2009-8-12 15435 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  RSA0017405  Monardella odoratissima subsp. pallida Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  JEPS126335  Montia chamissoi Steve Matson 1998-6-14 249 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek, Comment
  RSA755737  Montia fontana Barbara Ertter, Niall McCarten, Tom Fraser 1991-3-29 9722 Placer 2-3 miles south of Lincoln 46 Comment
  SACT001587  Muhlenbergia filiformis Michael Baad 1983-8-27 Placer On trail, one mile west towards Cherry Point. 2133.0 Comment
  UC579522  Muhlenbergia filiformis B. Bolt 1934-7-20 155 Placer Whiskey Hill Tahoe National Forest, Colfax Quadrangle 1645 Comment
  UCR201933  Muhlenbergia richardsonis George K. Helmkamp, E. A. Helmkamp 2008-8-20 14027 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  CAS-BOT-BC83228  Myosurus minimus Alice Eastwood 1912-6-15 467 Placer Lake Tahoe Region. Tahoe City. Comment
  SEINET6412908  Myriopteris gracillima M. J. Williams 1970-6-23 s.n. Placer [Sierra Nevada] Near Cisco Grove 1722 Comment
  UCD21972  Navarretia divaricata Beth Lowe Corbin 1982-8-18 366 Placer 1 mile SW of The Cedars. In sandy, disturbed soil along logging road in White Fir forest. Flowers white, aging to pink. Ful lsun. NE facing slope, 20% incline. Common. 1828 Comment
  SEINET3861932  Navarretia intertexta Genevieve K. Walden 2009-6-25 210 Placer Off I-80 East before Cisco Grove exit, Blue Lakes Rd. turn off, take a right and park at T intersection with unpaved fire road.; 0 1699 Comment
  SEINET9367592  Navarretia intertexta Unknown 1999-7-17 15173 Placer Martis Valley Comment
  POM75635  Navarretia leptalea Marcus E. Jones 1882-6-28 10177 Placer Emigrant Gap. Comment
  SBBG64404  Navarretia leptalea M. N. Ackley -Jun-1925 808 Placer Summit 2139 Comment
  UCD22106  Navarretia leptalea Rex Palmer 1979-6-19 N 212 Placer Headwaters basin area of the North Fork of the American River. Comment
  CHSC79789  Navarretia leptalea subsp. bicolor G. F. Hrusa; J. Glazner 1999-7-18 15224 Placer Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434N, 07418E. 1905 Comment
  JEPS59483  Navarretia leptalea subsp. bicolor Ezra Brainerd and Viola B. Baird 1915-7-25 229 Placer Deer Park road Sierra Nevada Mts. 1981 Comment
  JEPS127409  Navarretia leptalea subsp. leptalea Steve Matson 1998-6-27 318 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area south side of Highway 267. Comment
  JEPS127418  Navarretia leptalea subsp. leptalea Steve Matson 2003-7-4 825 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters south of Martis Dam Road, 20 meters north of airport creek., 200 meters NW of vernal pools north of Highway 267. Comment
  UC718537  Navarretia leucocephala Carl B. Wolf 1937-5-12 Placer 1 mi n Lincoln; Sacramento Valley 45 Comment
  UCD39200  Navarretia leucocephala Beecher Crampton 1953-5-26 1334 Placer 2 miles north of Licoln. Sunnybrook Farm (Francheschi). Comment
  RSA21271  Navarretia leucocephala subsp. leucocephala C. B. Wolf 1937-5-12 8614 Placer Sacramento Valley, 1 mi N of Lincoln. 46 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
  SBBG29933  Nemophila heterophylla C. L. Hitchcock 1940-5-7 6321 Placer ca. 1 mi W of Baxter 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
  SEINET5521018  Nemophila menziesii J. Martin 1959-4-18 s.n. Placer 1/2 mile east of Bazter on US highway 40. Walk a bit into the woods north of the highway. 1829 Comment
  SEINET5521021  Nemophila menziesii A. Beninghoff 1930-3-15 2684 Placer 5 miles east of Lincoln Comment
  UCR194951  Nemophila parviflora var. austiniae George K. Helmkamp, E. A. Helmkamp 2007-5-18 12029 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road near the crossing of the North Fork of the West Fork of the American River; 9.5 miles southeast of Foresthill 439 Comment
  UCR224861  Nemophila pulchella var. fremontii George K. Helmkamp, E. A. Helmkamp 2010-4-23 15911 Placer Sierra Nevada Mountains Foothills, along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  SEINET3224819 Image available Nemophila spatulata Marcus E. Jones 1882-6-30 2816 Placer Emigrant Gap. Comment
  UCD22024  Nemophila spatulata Rex Palmer 1979-6-8 N 124 A Placer Headwaters basin area of the North Fork of the American River. Comment
  UC170084  Nicotiana attenuata Miss Helen D. Geis 1912-6 205 Placer Tahoe City Comment
  JEPS36255  Nothocalais alpestris L. S. Smith 1928-6-28 2422 Placer Tahoe Forest Miller Lake Range, Tahoe Forest Comment
  SEINET9372251  Nothocalais alpestris George Hrusa, Glazner, J. 1999-7-17 15154 Placer Martis Valley Comment
  CAS-BOT-BC349912  Nothocalais alpestris L. S. Smith 1928-6-28 2422 Placer Tahoe National Forest. Miller Lake Range 2042 Comment
  UCD149397  Notholithocarpus densiflorus G. Ledyard Stebbins 1976-7-4 7682 Placer Little Crater. (Exact location unknown. Coordinates estimated by label maker.) 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
  UC169240  Oenothera cespitosa subsp. marginata Katharine Brandegee 1913-1 2048 a Placer Canyon of the Truckee Comment
  UC1122247  Oenothera elata subsp. hirsutissima H. S. Yates 1934-6-29 3902 Placer near Brockway; Tahoe National Forest, Truckee Quadrangle Comment
  UC1122248  Oenothera elata subsp. hirsutissima N. French, R. Clar 1933-6-20 80 Placer Mount Vernon Roadside Sacramento Quadrangle Comment
  CDA38632  Onopordum acanthium Clayton Seado 2012-8-8 PDR# 1611235 Placer Drum Forebay, near Drum Forebay Road. 0 Comment
  UCD160081  Orobanche fasciculata Sue Nichol 2015-4-30 s.n. Placer Along Foresthill Rd. between town of Foresthill and Foresthill Bridge. Just E of Butcher Ranch Rd.: near mailbox 17010 and Forest Service gate 124. Northwest side of the road. 551 Comment
  CAS-BOT-BC500308  Orobanche uniflora subsp. occidentalis Alice Eastwood 1909-8-1 267 Placer Deer Park Comment
  JEPS73652  Orobanche uniflora subsp. occidentalis L. R. Heckard with G. L. Stebbins 1973-6-17 3440 Placer East face of Big Valley Bluff, about 7 air miles southeast of Emigrant Gap. Comment
  SEINET3159771  Orthocarpus pilosus G. B. Grant 1906-7-25 887 Placer Lake Tahoe, Sierra Nevada Mts. Tallac 1890 Comment
  UCD128393  Osmorhiza occidentalis Albert Grigarick 2012-7-7 325 Placer Tahoe Rim Trail. Approx. 2 mi S of Martis Peak Lookout. 2332 Comment
  JEPS37275  Packera cana C. F. Sonne 1888-7-29 373 Placer <??>ardi Peak, on Truckee River Sierra Nevada Mountains, Truckee River 2590 Comment
  UCD22103  Paeonia brownii Rex Palmer 1979-6-20 N 347 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS59363  Paeonia brownii Ezra Brainerd and Viola B. Baird 1915-7-7 112 Placer along road Squaw Valley; Sierra Nevada Mts. 1905 Comment
  CAS-BOT-BC253674  Panicum capillare Catherine Best 1981-6-17 s.n. Placer Highway 80 Rest Stop near Gold Run 990 Comment
  SACT001644  Panicum pacificum Michael Baad 1983-6-27 Placer 4 miles east southeast of Forest Hill 365.0 Comment
  CHSC96598  Parentucellia viscosa L. P. Janeway 2006-5-10 8593 Placer Sacramento Valley. Northeast side of Hwy 65, 2.8 road km northwest of central Lincoln, at upper drive into clay pits. 43 Comment
  UCD37739  Paspalum dilatatum Beecher Crampton 1961-9-27 5996 Placer Placer County, 1 mile west of Auburn, along U.S. Highway 40. Comment
  SACT001668  Paspalum distichum Josephine Van Ess 1974-10-30 Placer Collected on Ferrieria Road just east of Lincoln on Highway 193. Growing in mud along drainage ditch. Comment
  CDA32599  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mile north of Lincoln, irrigation ditch. 0 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
  POM298008  Pedicularis attollens A. A. Heller 1919-7-26 13315 Placer West of Donner Pass. 2073 Comment
  RSA124122  Pedicularis racemosa E. F. Sprague 1957-7-14 1602 Placer Up slope behind Rainbow Tavern and east to end of road. Hwy 40. 1829 Comment
  UCD21902  Pedicularis semibarbata Beth Lowe Corbin 1982-8-6 270 Placer About 1/2 mile west of Onion Creek campground. 1950 Comment
  UCR177127  Pedicularis semibarbata George K. Helmkamp, E. A. Helmkamp 2005-10-1 9992 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  UC223677  Pellaea andromedifolia Alvah A. Eaton Placer Deer Park Comment
  SEINET3153898  Pellaea brachyptera M. E. Jones 1882-6-28 3275 Placer Emigrant Gap Comment
  SEINET4536349 Image available Pellaea brachyptera Marcus E. Jones 1882-1 3275 Placer Emigrant Gap Comment
  SEINET11713795  Pellaea breweri C. F. Sonne 1885-1 s.n. Placer above Coldtrain Comment
  CAS-BOT-BC67606  Pellaea bridgesii John H. Thomas; Hazelle A. Thomas 1956-7-21 6223 Placer Sierra Nevada - vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CAS-BOT-BC67609  Pellaea bridgesii Alice Eastwood 1912-6-15 419 Placer Lake Tahoe Region - Deer Park Comment
  JEPS73135  Pellaea bridgesii Gladys L. Smith 1972-6-20 3269 Placer Ward Peak 2286 Comment
  POM281937  Pellaea bridgesii Lyman Benson 1933-6-26 4541 Placer Cisco 1829 Comment
  RSA124754  Pellaea bridgesii John H. Thomas, Hazelle A. Thomas 1956-7-22 6223 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2134 Comment
  UCR208583  Pellaea mucronata George K. Helmkamp, E. A. Helmkamp 2009-5-7 14625 Placer Sierra Nevada Mountains Foothills, Oxbow Road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir 402 Comment
  CAS-BOT-BC77151  Pellaea mucronata subsp. mucronata C. D. MacNeill 1961-4-24 s.n. Placer Near Applegate 609 Comment
  UCD21907  Penstemon Rex Palmer 1979-6-19 N 271 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD34550  Penstemon Beecher Crampton 1985-6-23 9995 Placer North Shore Lake Tahoe, Stateline road. Comment
  SEINET9885426  Penstemon azureus David J. Keil 1978-1 12930 Placer Cisco Grove exit from I-80, just E of Nevada Co line; around South fork of Yuba River 1768 Comment
  OBI9301  Penstemon azureus Carl B. Wolf 1937-9-4 9286 Placer Sierra Nevada, Auburn-Truckett Rd S side S fork Yuba River near Cisco 1798 Comment
  UC886822  Penstemon azureus var. angustissimus Marcus E. Jones, A. M. 1882-7-3 3437 Placer Colfax Comment
  RSA780095  Penstemon breviflorus subsp. glabrisepalus Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  LA209570  Penstemon heterodoxus Mary V. Hood; 1948-7-20 48- 26 -k* Placer Sugar Bowl, Lodge, near Nordon 2133 Comment
  UCD162564  Penstemon heterodoxus var. cephalophorus Steve Matson 2004-7-31 1074 Placer nSNH; Tahoe Basin; Blackwood Canyon (west shore), about 1 mile ESE of Barker Pass. 2407 Comment
  CAS-BOT-BC264481  Penstemon heterodoxus var. heterodoxus Peter Rubtzoff 1976-9-19 8866 Placer Meadow adjacent to the E end of Lake Van Norden 2063 Comment
  CAS-BOT-BC264488  Penstemon heterodoxus var. heterodoxus L. S. Smith 1927-8-12 2222 Placer Upper Squaw Creek Basin below Peak 2286 Comment
  UC1063369  Penstemon heterodoxus var. heterodoxus N. French 1934-7-21 433 Placer nw end Kid Lake; Tahoe National Forest, Truckee Quadrangle Comment
  UCD83642  Penstemon heterodoxus var. heterodoxus Albert Grigarick 2009-9-10 195 Placer Squaw Creek Resort, approx. in middle of Emigrant Lift. 2526 Comment
  JEPS7572  Penstemon heterophyllus var. purdyi W. H. Shockley Jun 1886 15 Placer Auburn Comment
  SBBG32352  Penstemon laetus L. S. Rose 1968-6-9 68070 Placer Alta 1066 Comment
  SCFS1206  Penstemon newberryi E. Krimmel 2014-4-21 Placer Farthest rocky outcrop on Point Mariah Comment
  RSA285589  Penstemon newberryi subsp. newberryi D. C. Michener 1981-7-15 4009 Placer Sierra Nevada. Above Hampshire Rocks campground (near Big Bend exit of I-80). Comment
  CAS-BOT-BC239280  Penstemon newberryi var. berryi E. A. McGregor 1909-8-13 114 Placer Lake Tahoe Region. Susie Lake 2331 Comment
  UC887196  Penstemon newberryi var. newberryi A. A. Heller 1917-6-18 12710 Placer below Cisco (along the Yuba river) Comment
  JEPS59357  Penstemon newberryi var. newberryi Ezra Brainerd and Viola B. Baird 1915-7-9 107 Placer near camp at Bear Rock, Truckee River Sierra Nevada Mountains 1889 Comment
  POM44791  Penstemon roezlii Marcus E. Jones 1882-7-1 3434 Placer Emigrant Gap. Comment
  SEINET4560774  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2010-1 16647 Placer Northern Sierra Nevada Mountains; Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill. 1384 Comment
  SCFS917  Penstemon roezlii E. Krimmel 06/2013 Placer North Fork American River. Comment
  NY651261  Penstemon rydbergii var. oreocharis L. S. Rose 1940-6-2 40460 Placer Truckee River, 10 miles north of Tahoe City 1828.8 Comment
  NY651287  Penstemon rydbergii var. oreocharis A. A. Heller 1909-7-16 9852 Placer Summit 2133.6 Comment
  RSA671810  Penstemon rydbergii var. oreocharis M. V. Hood 1939-7-4 s.n. Placer Upper Soda Springs. Comment
  JEPS124588 Image available Penstemon rydbergii var. oreocharis Dixie Funnell 1965-6-27 18 Placer 4 1/2 miles south of Truckee on HIghway 89 south west of the road. Comment
  POM283518  Penstemon speciosus Lyman D. Benson 1932-7-31 4018 Placer 2 mi N Tahoe Tavern. Sierra Nevada mtn range, Truckee River watershed. 1890 Comment
  POM283523  Penstemon speciosus Lyman D. Benson 1932-7-31 4026 Placer Twin Peaks Road, Sierra Nevada, Lake Tahoe watershed. 1951 Comment
  UCD21593  Perideridia parishii E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1256 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, descending ridge. 2200 Comment
  UCD44588  Perideridia parishii subsp. latifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1954 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC413693  Persicaria hydropiper Catherine Best 1985-9-15 1146 Placer Sugar Pine Reservoir. About 6 miles north of Fosresthill 1158 Comment
  CHSC81809  Persicaria lapathifolia Lowell Ahart 2001-10-10 9364 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  CDA36375  Petrorhagia dubia G. K. Helmkamp, E. A. Helmkamp 2009-5-7 14621 Placer Sierra Nevada Mountains Foothills; Oxbow Road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir. Comment
  RSA537447  Petrorhagia dubia Barbara Ertter, David M. Thompson 1989-4-9 8187 Placer Auburn-Forest Hill Road 6.2 miles southwest of Spring Garden Road junction, 8 miles northeast of Auburn. 610 Comment
  SFV8392  Petrorhagia dubia M. D. Clegg 1963-5-4 27 Placer Folsom Reservoir, 2 miles north of Folsom in southeast corner of Placer County. 61 Comment
  UCD41458  Phacelia Ellen Dean; Davis Botanical Society 2003-5-17 1755 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 1.5 road miles northeast of intersection with Main Street. 1066 Comment
  JEPS127468  Phacelia hastata subsp. hastata Steve Matson 2003-7-4 822 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 50 meters north of Highway 267; 600 meters west of Martis Creek. Comment
  SD243160  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2010-7-28 16655 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill. 2041 Comment
  UCR191132  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2007-6-12 12315 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  UC1602035  Phacelia heterophylla subsp. virgata N. French 1934-6-22 477 Placer 1/2 mi w Lake Van Norden; Tahoe National Forest, Truckee Quadrangle Comment
  UCR250070  Phacelia heterophylla subsp. virgata George K. Helmkamp, Mary Alice Barnes 2013-5-3 20487 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  JEPS14037  Phacelia heterophylla subsp. virgata Rimo Bacigalupi with G. Stebbins, A. Hawkes, F. Ehrendorfer, J. Hunziker, D. Zohary and H. Stutz 1952-7-19 3865 Placer near site of Monona Flat (ridge between Indian River and North Fork of the American River, about 2 1/2 mi e of Iowa Hill) 990 Comment
  UC1055962  Phacelia heterophylla subsp. virgata Edw. L. Greene 1895-7-28 Placer s Truckee; Washoe Mts. Comment
  UC163972  Phacelia humilis Miss H. A. Walker 1910-6-13 2030 Placer near Deer Park; Tahoe District 1970 Comment
  UC702950  Phacelia humilis Lewis S. Rose 1940-6-2 Placer 10 min n Tahoe City; Truckee River 1828 Comment
  CHSC85485  Phacelia hydrophylloides G. F. Hrusa; J. Glazner 2000-9-3 15681 A Placer Northern Sierra Nevada. Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  RSA0039073  Phacelia imbricata subsp. imbricata George K. Helmkamp, Mary Alice Barnes 2013-4-18 20369 Placer Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  POM289343  Phacelia marcescens Lyman Benson 1933-6-26 4533 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  UC577901  Phacelia marcescens N. French 1934-5-24 362 (260) Placer north fork of North Fork of American River Tahoe National Forest, Colfax Quadrangle 1341 Comment
  UC881157  Phacelia marcescens Marcus E. Jones, A. M. 1882-6-27 3294 Placer Emigrant Gap Comment
  SEINET4560778  Phacelia mutabilis George K. Helmkamp, E. A. Helmkemp 2011-1 18175 Placer Northern Sierra Nevada Mountains: Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2060 Comment
  UC1051801  Phacelia mutabilis Malcomb Nobs 1950-9-24 Placer e slope Squaw Peak 2133 Comment
  UC909968  Phacelia mutabilis Marcus E. Jones, A. M. 1882-6-30 2813 Placer Emigrant Gap Comment
  RSA0009550  Phacelia mutabilis Marcus E. Jones 1882-6-30 2813 Placer Emigrant Gap. Comment
  RSA42327  Phacelia mutabilis Lincoln Constance 1946-7-2 3094 Placer Above Truckee River 1 mile southeast of Squaw Creek. 1829 Comment
  POM65397  Phacelia racemosa H. M. Hall 1910-6-19 8701 Placer Cisco. 1804 Comment
  SEINET8472437  Phacelia racemosa D. W. Taylor 2004-1 19162 Placer Canyon of South Yuba River; 2 air miles W of Kingvale on I-80. along logging road from the highway to Catfish Lake just at the Nevada County line. 2088 Comment
  UC881202  Phacelia racemosa Alice Eastwood 1909-1 229 Placer Squaw Creek Lake Tahoe Region Comment
  UCR233399  Phacelia racemosa George K. Helmkamp, E. A. Helmkamp 2011-8-26 18174 Placer Northern Sierra Nevada Mountains, Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2061 Comment
  RSA0009580  Phacelia racemosa Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  CHSC40966  Phacelia stebbinsii J. D. Jokerst 1984-6-23 2069 Placer Rocky spur ridge adjacent to and south of Big Mosquito Cr. Large population on metamorphic bedrock outcrops and associated talus. 1158 Comment
  JEPS73660  Phacelia stebbinsii L. R. Heckard with G. L. Stebbins 1973-6-18 3450 Placer s side of river about 1/2 mi e Star Town (site) (about 13 air mi ne of Foresthill); North Fork of Middle Fork of American River 1310 Comment
  SEINET4691147  Phalaris arundinacea W. D. Billings 1951-7-15 2125 Placer Truckee River near Rampart, 2 miles west of Tahoe City 1859 Comment
  CAS-BOT-BC77388  Philadelphus lewisii Marcus E. Jones 1882-7-3 3586 Placer Colfax Comment
  UC112846  Philadelphus lewisii Katharine Brandegee 1908-6-6 Placer N. Fork N. Fork <American River> (s side of Suspension Bridge, near Auburn) Comment
  SACT001734  Phleum alpinum Michael Baad 1983-8-21 Placer Collected on road between lakes from Soda Springs. 2.2 miles southwest of I80 exit to Soda Springs. 2019.0 Comment
  CDA13663  Phleum pratense G. F. Hrusa, J. Glazner 1997-8-3 14023 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Single colony with numerous individuals in upper part of wet meadow. Annual? Comment
  SACT001750  Phleum pratense D. Meyer 1983-8-7 Placer Boketrail behind Tahoe City shopping mall, near lake shore. 1891.0 Comment
  SACT001755  Phleum pratense Michael Baad 1983-7-10 Placer 6 miles by rad south of Gap townsite. Open wet meadow. 1524.0 Comment
  UCD44700  Phleum pratense C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2066 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS71318  Phlox gracilis Gladys L. Smith 1972-6-20 3268 Placer lower flanks of Ward Peak Ward Peak 2286 Comment
  RSA794813  Phlox gracilis George K. Helmkamp, E. A. Helmkamp 2011-8-26 18173 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  JEPS15393  Phoenicaulis cheiranthoides C. F. Sonne 1887-6 20 Placer Truckee River; Sierra Nevada Mountains, Truckee River Comment
  RSA3869  Phoradendron libocedri I. L. Wiggins 1930-10-12 5084 Placer Near Cisco. 1982 Comment
  UC463415  Phoradendron libocedri Ira L. Wiggins 1930-10-12 5084 Placer near Cisco 1981 Comment
  SEINET12230738  Phoradendron libocedri I. L. Wiggins 1930-1 5084 Placer near Cisco 1981 Comment
  CAS-BOT-BC58831  Phyllodoce breweri M. E. Parsons 1910-7-7 s.n. Placer Lake Tahoe - Madden Creek Meadows Comment
  CAS-BOT-BC58832  Phyllodoce breweri Elizabeth Parsons Hawver 1911-8-19 s.n. Placer Lake Tahoe - upper meadow, Madden Creek Meadows Comment
  UC1121031  Phyllodoce breweri N. French 1933-9-13 96 Placer Tahoe National Forest, Bald Mountain Bald Mountain; Tahoe National Forest, Bald Mountain 2133 Comment
  SACT001770  Phyllostachys nigra Josephine Van Ess 1977-7-1 Placer Collected south of Folsom Auburn Road about 5/8 mile. Low wet road. 176.8 Comment
  JEPS7817  Physalis philadelphica Peter H. Raven 1954-8-27 7961 Placer Penryn; Sierra Nevada Comment
  SBBG128838  Physocarpus capitatus G. K. Helmkamp, E. A. Helmkamp 2010-10-16 17030 Placer Forest Route 24 at Parker Flat and beside Forbes Crk, 1.9 mi E (airline) of the Sugar Pine Reservoir dam 1180 Comment
  UCSB45757  Pilularia americana Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65. Comment
  CAS-BOT-BC78463  Pinus contorta subsp. murrayana Baki Kasapligil 1974-10-6 4912 Placer Soda Springs, Sugar Bowl 1828 Comment
  UCR201523  Pinus contorta subsp. murrayana George K. Helmkamp, E. A. Helmkamp 2008-8-20 14012 Placer Northern Sierra Nevada Mountains, Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  SEINET11738786  Pinus contorta var. murrayana H. H. Heller 1934-1 s.n. Placer Lake Tahoe Comment
  UCD23235  Pinus jeffreyi Beth Lowe Corbin 1982-8-25 420 Placer Onion Creek campground. 1841 Comment
  CAS-BOT-BC78931  Pinus monticola John H. Thomas; Hazelle A. Thomas 1956-7-21 6153 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC78932  Pinus monticola Ira L. Wiggins 1930-10-12 5082 Placer Donner Summit 2174 Comment
  UC1134049  Pinus monticola R. Wilson 1934-9-20 78 Placer Granite Chief Mtn. Truckee Quad., , Tahoe National Forest 2743 Comment
  RSA0078054  Pinus monticola E. R. Blakley 1960-8-29 3792 Placer Carnelian Bay, Lake Tahoe. 1950 Comment
  UC1819257  Pinus ponderosa Glen E. Sindel 1955-9-25 s. n. Placer Forest Hill, northern edge of flat ridge top, ca. 50 ft W of northern edge of Forest Hill Ranger Station, Tahoe National Forest; IFG plot 68 975 Comment
  UC1819258  Pinus ponderosa Glen E. Sindel 1955-9-25 s. n. Placer Forest Hill, northern edge of flat ridge top, ca. 50 ft W of northern edge of Forest Hill Ranger Station, Tahoe National Forest; IFG plot 68 975 Comment
  JEPS24552  Pinus ponderosa M. B. Pratt 1936-3-3 Placer e of Sacramento (on grounds of Weimer Sanitarium); Sierra Nevada, Weimar, Weimer Sanitarium Comment
  NY951530  Pinus ponderosa var. ponderosa D. H. Goldman 2004-12-24 3007 Placer "Mosquito Narrows," Mosquito Ridge, just N of Mosquito Ridge Road (Forest Road 96), just E of the intersection with a dirt road going to the NW, about 5.9 miles from the parking lot at the Placer County Big Tree Reserve and about 18.9 miles E of the 1289 Comment
  SD112167  Pinus sabiniana Darley F. Howe 1948-5-22 1819 Placer 669 Comment
  UCR146680  Pistacia atlantica Beecher Crampton 1972-9-28 8879 Placer Sacramento Valley, Applegate 579 Comment
  JEPS113117  Plagiobothrys fulvus Lowell Ahart, Brian Williams 2007-4-13 13636 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  SD180604  Plagiobothrys greenei Carol Witham, Jennifer Buck 2001-4-27 136 Placer 1.0 mile east along Athen Ave. from its intersection with Industrial Ave., pools are north of Athens and west of dirt road, Orchard Creek site, pool # OKC022. Comment
  CAS-BOT-BC230942  Plagiobothrys hispidulus John Thomas Howell 1943-7-19 18581 Placer Summit Valley Comment
  CAS-BOT-BC230949  Plagiobothrys hispidulus Alice Eastwood 1906-7-27 1066 Placer Glen Alpine Region. Fallen Leaf Lake Comment
  UCR121489  Plagiobothrys hispidulus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5021 C Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  RSA0054888  Plagiobothrys nothofulvus Keith E. Hoffmaster 1941-3-22 1012 Placer A few miles south of Pilot Hill. Comment
  RSA666370  Plagiobothrys nothofulvus Barbara Ertter, David Thompson 1989-4-8 8151 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  UCR253528  Plagiobothrys shastensis George K. Helmkamp, Amy Barnes 2014-4-23 22792 Placer Sierra Nevada Mountains Foothills, Old Auburn-Foresthill Road, 1.7 miles northeast of its junction with CA-49 at North Fork American River 407 Comment
  UCR249588  Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Amy Barnes 2013-3-28 20282 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  SD240933  Plagiobothrys undulatus George K Helmkamp, E. A. Helmkamp 2011-5-12 17255 Placer Southern Sacramento Valley: south of Lincoln along Athens Ave., 1.6 miles east of Fiddyment Road, 0.6 mile west of Industrual Ave. (Roseville 7.5'Q) 41 Comment
  UCD18833  Plantago coronopus Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-27 138 Placer 1 mi. east along Athens Ave. from its intersection with Industrial Ave., pools are north of Athens and west of dirt road, Orchard Creek site, pool # OKC022, UTMs: 10S0645594; 4300408. Comment
  UC1950082  Plantago erecta Barbara Ertter with David Thompson 1989-4-9 8191 Placer NW side of road; Auburn-Forest Hill Road 6.2 mi SW of Spring Garden Road jct., ca 8 airmiles NE of Auburn Comment
  CHSC74243  Plantago lanceolata Susi Urie 1998-9-2 98 206 B Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UCR258537  Plantago lanceolata George K. Helmkamp, Amy Barnes 2014-3-21 22625 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  HSC83343  Plantago lanceolata Gary H. Bolton 1975-5-24 42 Placer Upper Sierran foothills, intersection of Spring Garden Rd. and Auburn-Forest Hill Rd., Comment
  RSA388850  Plantago lanceolata Jon Schroeder 1975-5-24 66 Placer Spring Garden Road, just off of Auburn-Forest Hill Road. Comment
  UCD21984  Plantago major Beth Lowe Corbin 1982-8-12 329 Placer Onion Creek campground. In sandy soil. Disturbed meadow near stream. Perennial. Inflorescence green. Full sun. SW facing slope, 5% incline. Common. 1841 Comment
  SEINET9164073  Plantago major L. R. Miller 1934-7-8 s.n. Placer Cisco. 1707 Comment
  UCD43975  Platanthera dilatata var. leucostachys C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1341 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SJSU9113  Platanthera dilatata var. leucostachys N. D. Addy 1962-7-8 174 Placer Hwy 89, 1.5 mi N of Fallen Leaf Lake 1920 Comment
  RSA382897  Platanthera leucostachys Bonnie C. Templeton 1931-7-4 1503 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  UC635444  Platystemon californicus Dorothy Tebbe 1930-4-5 94 Placer near Roseville; near Roseville Comment
  LA206293  Platystemon californicus Carl B. Wolf; 1937-3-30 8352 Placer Sacramento Valley, 1.5 mi. E of Lincoln on Penryn Road 60 Comment
  SD43650  Plectritis macrocera Darley F. Howe 1948-5-23 1905 Placer American River 305 Comment
  SACT001780  Poa annua D. Meyer 1984-5-6 Placer On Garden Bar Road. Riparian habitat. 182.0 Comment
  SACT001785  Poa annua Josephine Van Ess 1976-3-15 Placer Collected just west of Barton Road. Edge of orchard. 103.7 Comment
  CAS-BOT-BC254755  Poa bolanderi John Thomas Howell 1943-7-22 18711 Placer Summit Valley Comment
  CAS-BOT-BC254757  Poa bolanderi John Thomas Howell 1943-7-21 18643 Placer Donner Pass to Mount Lincoln Comment
  CAS-BOT-BC254762  Poa bolanderi A. A. Heller 1917-8-13 12901 Placer Base of a cliff, N of Summit hotel 1676 Comment
  RSA129110  Poa bolanderi N. H. French 1934-6-22 s.n. Placer 1/2 mile W. of Lake Dulzura 2195 Comment
  UCD21596  Poa bolanderi E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1260 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  CDA36871  Poa bulbosa CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UCR250355  Poa bulbosa George K. Helmkamp, Mary Alice Barnes 2013-5-3 20491 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCD37041  Poa compressa Beecher Crampton 1956-7-17 3722 Placer Placer County, Blue Canyon. 1432 Comment
  UCD90842  Poa compressa Beecher Crampton 1955-7-13 2995 Placer 3.5 miles east of Baxter, along U.S. Highway 40. 1432 Comment
  SACT001857  Poa incurva Michael Baad 1983-8-21 Placer Collected on road 3.84 km southwest of Soda Springs exit off Interstate 80. 2019.0 Comment
  SACT001869  Poa nevadensis D. Meyer 1983-6-16 Placer 1624.0 Comment
  UCD91793  Poa palustris Beecher Crampton 1956-7-17 3727 Placer 0.75 mile west of Blue Canyon Store. Comment
  SACT001917  Poa pratensis D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City shopping center near lake shore. 1891.0 Comment
  SACT001927  Poa pratensis D. Meyer 1984-7-21 Placer Moist roadside ditch and pine wooded area dense shade. 1927.0 Comment
  SACT001946  Poa pratensis D. Meyer 1984-6-23 Placer 22.2 km from I80 Frontage Road. 978.0 Comment
  CHSC74344  Poa pratensis subsp. pratensis Susi Urie 1998-9-4 98 -249 Placer Lake Tahoe Basin-National Forest. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  SEINET10954309  Poa sandbergii A. Arthur Heller 1917-8-13 Heller 12917 Placer Ridge Northwest of Donner Pass on a steep gravelly slope below a ledge of igneous rock, the neighhboring forest composed of Ables magnifica. 2377 Comment
  SACT001959  Poa scabrella Michael Baad 1976-6-16 Placer Descending to stream crossing. Comment
  SACT001971  Poa scabrella Michael Baad 1977-6-1 Placer Bea croft Trail to the North Fork of the American River, open rocky meadows. Comment
  SACT001989  Poa scabrella Michael Baad 1977-6-8 Placer 3.2 km northeast of Brushy Springs Station, ridge northeast of center of crater area. Overlooking the south rim of the Middle Fork of the American River. 1219.2 Comment
  SACT001992  Poa scabrella Michael Baad 1977-6-1 Placer Along Beecroft Trail to North Fork, open rocky meadow. Comment
  SACT001993  Poa scabrella Michael Baad 1977-6-2 Placer White fir, black oak, incense cedar, ponderosa pine and douglas fir forest 853.0 Comment
  RSA126919  Poa secunda N. H. French 1934-6-22 s.n. Placer 7/8 mile W. of Dulzura Lake. 2287 Comment
  CAS-BOT-BC242953  Poa secunda subsp. secunda A. A. Heller 1917-6-17 12696 Placer Along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC242956  Poa secunda subsp. secunda A. A. Heller 1917-8-13 12917 Placer Ridge NW of Donner Pass below a ledge of igneous rock 2377 Comment
  UC337960  Poa secunda subsp. secunda unknown Placer summit of Sierra Cisco Comment
  JEPS68381  Poa sierrae Leland S. Smith 1926-6-4 1888 Placer Tahoe Forest, Eldorado Canyon Tahoe Forest, Eldorado Canyon 762 Comment
  JEPS75194  Poa wheeleri Gladys L. Smith 1972-6-20 3236 Placer below Ward Peak (near volcanic tunnel) 2590 Comment
  UCD44467  Podagrostis humilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1833 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44491  Podagrostis humilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1857 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD52760  Podagrostis humilis R. Tofsrud 1951-7-1 s.n. Placer near Campton's store, Hwy. 40 (above Nayak). Comment
  CHSC114668  Pogogyne serpylloides CDFA Staff 1999-4-28 Placer Dry Creek. Comment
  UC1004177  Pogogyne zizyphoroides Lewis S. Rose and W. A Weber 1953-5-19 8392 Placer 5 miles N of Roseville on road to Lincoln 48 Comment
  UCD125424  Pogogyne zizyphoroides James D. Jokerst 1986-4-14 2623 Placer Johnson Ranch, north of Douglas Road, and east of Highway 80. Comment
  UCD21615  Polemonium californicum E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1259 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, descending ridge. 2200 Comment
  UCR563  Polemonium californicum Frank C. Vasek 1955-6-29 266 Placer Sierra Nevada Mountains, Sugar Bowl, near Donner Pass [ski area, c. 1 mi. east of Lake Van Norden] 2141 Comment
  POM129412  Polemonium occidentale R. L. Pendleton, F. M. Reed 1907-7-28 1305 Placer Tahoe Tavern 1899 Comment
  UC882679  Polemonium occidentale Alice Eastwood 1909-1 61 Placer Sunnyside Lake Tahoe Region, Sunnyside Comment
  CHSC85689  Polemonium pulcherrimum G. F. Hrusa; J. Glazner 2000-9-3 15666 A Placer Northern Sierra Nevada. Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  SEINET4335519 Image available Polemonium pulcherrimum Betty J. Jorgensen 1944-7-12 516 Placer Soda Springs 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
  CAS-BOT-BC170305  Polygala cornuta var. cornuta Isabel McCracken 1938-7-2 s.n. Placer Dutch Flat Comment
  UC868237  Polygala cornuta var. cornuta Isabel McCracken 1938-7-2 Placer Dutch Flat Comment
  RSA606205  Polygonum R. S. Woglum 1934-08 1311 Placer Northern Sierra Nevada Mountains: Lake Tahoe [Placer/El Dorado counties]. Comment
  JEPS72805  Polygonum aviculare subsp. depressum Gladys L. Smith 1972-8-25 3403 Placer about chairlift above Shirley Lake (tr. to Granite Chief) 2499 Comment
  UC1136120  Polygonum bistortoides N. French 1934-6-22 444 Placer Serena Lake Tahoe National Forest, Truckee Quadrangle (n end) Comment
  JEPS126269  Polygonum californicum Steve Matson 2003-6-9 826 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters South north of Martis Dam Road, 20 meters north of airport creek, 200 meters NW of vernal pools north of Highway 267. Comment
  UCD100173  Polygonum californicum Collector unknown 1928-10-31 1440 Placer Lincoln. Comment
  CAS-BOT-BC414391  Polygonum californicum L. R. Abrams 1917-9-14 6754 Placer Between Roseville and Penryn Comment
  JEPS72808  Polygonum davisiae Gladys L. Smith 1972-6-20 3233 Placer exposed ridge from chairlift terminus to ultimate summit peak; Ward Peak 2632 Comment
  CAS-BOT-BC414539  Polygonum douglasii Alice Eastwood 1909-1-1 s.n. Placer Lake Tahoe Region. Sunnyside Comment
  CHSC82654  Polygonum douglasii subsp. douglasii Lowell Ahart 2002-7-22 9897 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  JEPS103426  Polygonum douglasii subsp. douglasii Lowell Ahart 2002-7-22 9897 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UC128210  Polygonum douglasii subsp. douglasii Miss Harriet A. Walker 1908-7-26 1441 Placer Cisco 1810 Comment
  UC169990  Polygonum douglasii subsp. douglasii Miss Helen D. Geis 1912-6 71 Placer Deer Park Comment
  RSA466396  Polygonum hydropiper Wm. Martin 1971-9-10 20225 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  CAS-BOT-BC418584  Polygonum minimum A. A. Heller 1919-7-25 13290 Placer Near the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC420030  Polygonum polygaloides subsp. kelloggii Marcus E. Jones 1882-7-11 s.n. Placer Emigrant Gap Comment
  RSA689953  Polypodium californicum Elizabeth Flint 1930-1 103 Placer Near Penryn 244 Comment
  RSA0039074  Polypodium calirhiza George K. Helmkamp, Mary Alice Barnes 2013-4-18 20367 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  SEINET11261555  Polypodium hesperium George Helmkamp, E. A. Helmkamp 2012-5-5 18924 Placer Northern Sierra Nevada Mountains Foothills on Lake Clementine Road, 1.2 miles W of the junction with Foresthill Road. 0.3 air miles SE (123 degrees) of Clementine Dam on the American River.; 0 396 Comment
  SACT001569  Polypogon australis D. Meyer 1984-6-17 Placer near 20350 Margaret Ann Drive 545.0 Comment
  SACT002106  Polypogon australis D. Meyer 1984-6-3 Placer 1.6 km north of Applegate, shady oak woodland, moist area 606.0 Comment
  UCR193282  Polystichum imbricans George K. Helmkamp, E. A. Helmkamp 2007-5-30 12173 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  CAS-BOT-BC76758  Polystichum imbricans subsp. imbricans Gordon H. True 1968-4-17 4165 Placer Hwy. 80 near Alta. 1097 Comment
  CAS-BOT-BC105580  Populus trichocarpa Geo. B. Grant 1906-7-15 7032 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  OBI20169  Populus trichocarpa David J. Keil 1978-7-23 12934 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  UC527360  Populus trichocarpa C. B. Wolf 1931-9-10 2419 Placer shore of Lake Tahoe just nw Chambers Lodge; shore of Lake Tahoe just nw of Chambers Lodge 1920 Comment
  UCD38934  Populus trichocarpa Beecher Crampton 1961-9-27 6016 Placer 1 mile west of Cisco Grove. Comment
  JEPS111256  Porterella carnosula Steve Matson 2005-6-19 1291 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. Just west of Parking Area. 1778 Comment
  CAS-BOT-BC453920  Potamogeton pectinatus Mary Strong Clemens 1920-9-1 s.n. Placer (Lake) Tahoe City Comment
  SD247495  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, Elizabeth Helmkamp 2012-6-19 19238 Placer Northern Sierra Nevada Mountains: Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road (Duncan Peak 7.5'Q) 2054 Comment
  UCR240914  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19238 Placer Northern Sierra Nevada Mountains, Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road 2055 Comment
  SD103786  Potentilla glandulosa subsp. nevadensis Darley F. Howe 1978-7-15 Placer Along highway 20 off I-80, 29 miles west of Truckee 1646 Comment
  CHSC79355  Potentilla glandulosa subsp. reflexa Beecher Crampton 1972-6-20 8827 Placer Upslope from Bear Valley, State Hwy 20. 1402 Comment
  CHSC89290  Potentilla glandulosa subsp. reflexa G. F. Hrusa; M. I. Wibawa, J. Glazner 2002-5-22 16022 Placer Sierra Nevada. Hughes Mill (site) above Foresthill. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  UCR233274  Potentilla glandulosa subsp. reflexa George K. Helmkamp, E. A. Helmkamp 2011-7-9 17675 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  UCD22272  Potentilla gracilis Rex Palmer 1979-7-9 N 435 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS111220  Potentilla gracilis var. elmeri Steve Matson 2005-6-15 1284 Placer Martis Valley, ca 3 miles southeast of Truckee, north of 267, just west of Martis Creek; 39.3030 N, 120.1209 W; Elevation 5840 ft. 1780 Comment
  JEPS127443  Potentilla gracilis var. fastigiata Steve Matson 1998-6-27 305 Placer Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, junction of East Martins Creek and Martis Creek. Comment
  UCD42913  Potentilla gracilis var. fastigiata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 281 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  JEPS59374  Potentilla gracilis var. fastigiata Ezra Brainerd and Viola B. Baird 1915-7-10 122 Placer roadside Deer Park Sierra Nevada, Deer Park 1889 Comment
  CAS-BOT-BC64618  Primula suffrutescens E. A. McGregor 1909-8-19 209 Placer Deer Park Springs 2133 Comment
  UC197214  Primula suffrutescens C. F. Sonne 1897-8-14 Placer e slope Mt. Anderson; Sierra Nevada, e slope Mt. Anderson 2438 Comment
  UCD139787  Prosartes hookeri Eric Brenner; John Hunter 1996-5-26 12 Placer Big Trees, Mosquito Ridge Rd, Tahoe National Forest. 1740 Comment
  CDA27763  Prosopis glandulosa var. torreyana M. K. Bellue, F. Clark 1945-10-11 Placer Railroad yards, Southern Pacific, Roseville. 0 Comment
  UCR206718  Prunella vulgaris var. lanceolata George K. Helmkamp, E. A. Helmkamp 2009-7-16 15205 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  JEPS44953  Prunus emarginata C. J. Fox Jr. July, 1895 Placer near Squaw Peak Comment
  LA208082  Prunus emarginata Carl B. Wolf; 1930-10-11 sn Placer 4 mi. W. of Emigrant Pass 1523 Comment
  UC859381  Prunus emarginata A. A. Heller 1917-6-17 12708 Placer below Cisco (near the Yuba River) 1676 Comment
  UCD22282  Prunus emarginata Rex Palmer 1979-7-12 N 642 Placer Headwaters basin area of the North Fork of the American River Comment
  UC50080  Pseudobahia heermannii H. N. Bolander 1865-4-10 4518 Placer hillside near Auburn Comment
  UC942758  Pseudobahia heermannii Peter H. Raven, G. L. Stebbins Jr. 1952-4-20 4000 Placer 3.7 mi s of Bear River Crossing; Auburn Comment
  UCR231880  Pseudognaphalium canescens subsp. beneolens George K. Helmkamp, E. A. Helmkamp 2010-10-16 17028 Placer Northern Sierra Nevada Mountains Foothills, along Forest Route 24 at Parker Flat and beside Forbes Creek, 1.9 miles east (airline) of the Sugar Pine Reservoir dam 1180 Comment
  UCR241353  Pseudognaphalium canescens subsp. thermale George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19810 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill 1677 Comment
  CHSC81755  Pseudognaphalium thermale Lowell Ahart 2001-10-10 9338 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 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
  UC853098  Pseudostellaria sierrae Marcus E. Jones 1882-6-28 3287 Placer Emigrant Gap Comment
Read comments
Jan 23 2010
  CAS-BOT-BC80155  Pseudotsuga menziesii Saichi Kawahara 1969-5-24 1022 Placer ridge, east of old cabin, Mel Henderson Ranch, Indian Creek 1036 Comment
  SEINET5334823  Pseudotsuga menziesii var. menziesii W. Priest 1956-4-16 s.n. Placer On U.S. Hwy. 40 about 1 mile west of Baxter. 1067 Comment
  UCR231829  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2010-8-14 16769 Placer Northern Sierra Nevada Mountains, Deadwood Road, 1.2 miles south of its junction wih Forest Hill Road 1564 Comment
  RSA690889  Pteridium aquilinum var. pubescens Viola N. Poole 1929-11 121 Placer Summit, near Southern Pacific Comment
  CDA39026  Pterospora andromedea D. G. Kelch 2011-10-3 11 .825 Placer Tahoe City. Granlibakken Resort. Comment
  SEINET7236742  Pterospora andromedea P. B. Kennedy, S. B. Doten 1901-8-15 404 Placer Bearman's Camp, 6 miles from French Meadows. Comment
  RSA654137  Puccinellia distans Beecher Crampton 1967-7-26 8155 Placer Near Nevada County line in Kingvale on interstste 80. 1951 Comment
  CHSC107004  Pueraria lobata William J. Ferlatte; D. Mitani, M. Keffer 1977-9-22 1901 Placer Kuska property, ca 2 miles NW of Weimar off of Placer Hills Rd. 609 Comment
  UCD34034  Purshia tridentata Beecher Crampton 1975-9-22 9289 Placer Martis Valley, Truckee-Tahoe airport area, ca. 2.5 miles SE of Truckee. Comment
  POM126530  Pycnanthemum californicum Katherine Brandegee 1908-07 s.n. Placer Cape Horn. Comment
  SBBG10604  Pyrola asarifolia E. R. Blakley 1960-9-4 3824 Placer hill 1 mi N of Carnelian Bay, Lake Tahoe 2072 Comment
  CAS-BOT-BC45764  Quercus Gordon H. True 1965-5-18 s.n. Placer Deer Creek, trib. to Truckee River just north of Squaw Valley 1981 Comment
  CAS-BOT-BC45768  Quercus Saichi Kawahara 1969-5-24 838 Placer slope overlooking north fork of the American River. Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  UCD21487  Quercus Rex Palmer 1979-5-26 N 7 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  UC119169  Quercus X morehus A. Eastwood 1894-9-9 Placer Newcastle Comment
  UC1135496  Quercus berberidifolia N. French 1933-8-15 92 Placer North Fork American River, above Sheridan's Placerville National Forest, Placerville Quad. 548 Comment
  SACT002609  Quercus chrysolepis Michael Baad 1977-6-2 Placer 853.0 Comment
  UCD45386  Quercus chrysolepis Eric Brenner; John Hunter 1996-5-26 006 Placer Placer County, Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. Elev. 1870 m. 1870 Comment
  SEINET9005676  Quercus chrysolepis W. D. Billings 1940-5-31 1276 Placer 5 miles east of Colfax Comment
  UC119113 Image available Quercus chrysolepis A. Eastwood 1994-9-10 Placer Colfax, Placer Co., Cal. Comment
  CAS-BOT-BC79594  Quercus durata G. L. Stebbins; R. Bacigalupi; F. Ehrendorfer; Juan Hector Hunziker; H. Stutz; Daniel Zohary 1952-7-20 5130 Placer 9 miles NE of Forest Hill on road to Iowa Hill 1127 Comment
  SACT002637  Quercus durata Michael Baad 1977-6-21 Placer 2 miles nouth of junction of road to Big Reservoir and Iowa Hill to Forest Hill Road 1158.0 Comment
  UC1135561  Quercus durata N. French 1933-10-17 106 Placer Todd Valley Placerville National Forest, Placerville Quad. 762 Comment
  UCD45926  Quercus durata var. durata G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrandorfer, J. Hunziker, 1952-7-20 5130 Placer 9 miles northeast of Forest Hill on road to Iowa Hill. 1127 Comment
  CAS-BOT-BC105304  Quercus kelloggii M. S. Jussel 1930-7-1 s.n. Placer Camp Baxter, North Fork of the Stanislaus River 1676 Comment
  CAS-BOT-BC105305  Quercus kelloggii Marcus E. Jones 1982-6-30 2871 Placer Emigrant Gap Comment
  SACT002135  Quercus kelloggii Michael Baad 1977-6-1 Placer douglas fir forest and huckleberry oak with openings 1341.12 Comment
  UCSC009999  Quercus kelloggii Al Keuter 2014-6-15 00 101 B Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  SEINET10431665  Quercus kelloggii P. L. Comanor, B. Clark, B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 miles from end of railroad bridge on CA Hwy 194, winding road, plot located on the right past parking area, down path ca 60 meters. 1676 Comment
  UC405379  Quercus vacciniifolia J. Grinnell 1913-9-26 Placer Cisco Comment
  UCD144216  Quercus vacciniifolia Frederic Hrusa; L. Serafini 1993-6-29 11248 Placer south side of French Meadows Reservoir immediately below dam. 1500 Comment
  CAS-BOT-BC104989  Quercus wislizeni Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  SACT002726  Quercus wislizeni Michael Baad 1977-4-13 Placer 0.2 mile north of highway I80. Ecotone between pine forest and chaparral. 502.92 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
  UC119116  Quercus wislizeni A. Eastwood 1894-9-10 Placer Newcastle Comment
  SACT002732  Quercus wislizeni J. Clark 1937-4-18 Placer Comment
  UCSC009278  Quercus wislizeni var. wislizeni Al Keuter 2015-3-31 10- 05 -1 Placer North Fork American River/SR193 202 Comment
  CAS-BOT-BC362683  Raillardella argentea C. G. Pringle 1882-9-25 s.n. Placer Sierra Nevada Mts. above Summit Valley 2743 Comment
  JEPS111260  Raillardella argentea Steve Matson 2005-7-16 1402 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  SEINET5501119 Image available Raillardella argentea Sally Walker 1982-8-4 Placer Above ski area, Tahoe. Comment
  CAS-BOT-BC379279  Ranunculus alismifolius var. alismellus Alice Eastwood 1909-1-1 279 Placer Lake Tahoe Region, Wards Pass Comment
  UC634984  Ranunculus alismifolius var. alismifolius H. L. Mason 1926-5-29 3301 Placer Truckee River Comment
  CAS-BOT-BC379390  Ranunculus alismifolius var. hartwegii A. A. Heller; P. B. Kennedy 1907-7-9 8792 Placer Prattville Comment
  CAS-BOT-BC379432  Ranunculus alismifolius var. hartwegii Gordon H. True 1972-4-27 7103 Placer Boca-Stampede Dam Road, 5.2 mi north of Boca 1768 Comment
  CAS-BOT-BC379439  Ranunculus alismifolius var. hartwegii Betty J. Jorgensen 1944-5-18 440 Placer beside snow bank, near A.S.U.C. lodge, Norden Comment
  JEPS127535  Ranunculus alismifolius var. lemmonii Steve Matson 1998-5-3 195 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, east of Martis Creek, logging road bridge. Comment
  POM312418  Ranunculus flammula var. ovalis Malcolm A. Nobs, S. Galen Smith 1949-8-21 1511 Placer Marsh between sandy beach and Agate Bay, north end of Lake Tahoe. Comment
  SDSU10110  Ranunculus hebecarpus D. F. Howe 1951-5-1 2101 Placer 457 Comment
  SD237580  Ranunculus hystriculus G. K. Helmkamp, E. A. Helmkamp 2009-5-7 14630 Placer Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill (Michigan Bluff 7.5'Q) 771 Comment
  RSA734059  Ranunculus muricatus Beecher Crampton 1953-4-21 1117 Placer Sunnybrook Farms, 2 miles North of Lincoln. Comment
  UCR197991  Ranunculus muricatus Beecher Crampton 1953-4-21 1117 Placer Sacramento Valley, Sunnybrook Farms, 2 mi north of Lincoln 41 Comment
  CDA19566  Ranunculus occidentalis M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 224 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  UCD80701  Ranunculus occidentalis CNPS SN Foothill Team 2005-4-11 SNFN 0103 d Placer Placer Legacy, Spears/Didion Ranch (Spear's Ranch), above Coon Creek, approximately 3 miles east of entry gate off of Garden Bar Road. 169 Comment
  JEPS59414  Ranunculus occidentalis Viola B. Baird 1915-6-27 133 Placer above Bear Rock; Sierra Nevada Mts., Sheep Meadow 2164 Comment
  CDA16988  Ranunculus orthorhynchus G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16041 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UC9469  Ranunculus orthorhynchus var. orthorhynchus Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD42849  Ranunculus populago C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 215 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC854403  Ranunculus uncinatus Marcus E. Jones, A. M. 1882-6-28 3308 Placer Emigrant Gap Comment
  CHSC96467  Raphanus raphanistrum Lowell Ahart; Brian Williams 2007-4-13 13640 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UCD115182  Raphanus sativus G. K. Helmkamp; E. A. Helmkamp 2006-2-9 10062 Placer Northern Central Valley, Clark Tunnel Road and CA Highway 193, East of Lincoln. 113 Comment
  UCR218447  Rhamnus californica subsp. tomentella George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16422 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road, 3.2 miles southeast of its junction with Canyon Way, 4.4 air mi. SE (156 deg. ) of Colfax 412 Comment
  UCR190921  Rhamnus rubra George K. Helmkamp, E. A. Helmkamp 2007-5-23 12068 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  CDA15825  Rhamnus rubra subsp. rubra G. F. Hrusa, L. Serafini 1993-6-29 11261 Placer Duncan Creek approx. 5 meters upstream from Mosquito Ridge Rd. bridge crossing, & 1 mile N of French Meadows Reservoir. Comment
  UC1121762  Rhamnus tomentella subsp. tomentella N. French, R. Clar 1933-6-2 64 Placer near Clipper Gap; Sacramento Quad. 609 Comment
  SEINET8506852  Rhodiola integrifolia subsp. integrifolia W. D. Billings 1950-7-30 1916 Placer Northeast side of Squaw Peak, Sierra Nevada 2560 Comment
  SEINET5845255  Ribes P. L. Comanor, B. Clark, B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 miles from end of railroad bridge on Calif. 194, winding road, plot located on the right past parking area, down path approx. 60 meters 1676 Comment
  CAS-BOT-BC108691  Ribes cereum Posey; Bethel 1920-6-5 s.n. Placer Tahoe. Comment
  CAS-BOT-BC108698  Ribes cereum J. F. Rock 1917-6-1 s.n. Placer Lake Tahoe. Comment
  CAS-BOT-BC108700  Ribes cereum John Thomas Howell 1943-7-26 18839 Placer Mount Lincoln. Comment
  SEINET13942545 Image available Ribes inerme A. A. Heller 2017-1 12718 Placer Low, grassy places along the Yuba river below Cisco, elevation about 5500 feet. 1676 Comment
  CAS-BOT-BC173311  Ribes lasianthum Alice Eastwood 1912-6-15 399 Placer Deer Park, Lake Tahoe Region Comment
  JEPS71856  Ribes lasianthum Gladys L. Smith 1972-6-20 3259 Placer from Ward Peak summit to Sherwood Forest 2590 Comment
  OBI39807  Ribes nevadense Joy H. Nishida 1985-7-10 778 Placer Homewood Comment
  SCFS11529120  Ribes nevadense E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  UCD74136  Ribes nevadense Jennifer W. Burt 2005-7-16 69 Placer abandoned ski area above Rainbow Lodge, off Hwy 50 East of Cisco - collected from center of an abandoned ski run. 1845 Comment
  SD43645  Ribes roezlii Darley F. Howe 1948-5-22 1900 Placer 1219 Comment
  SJSU10511  Ribes roezlii R. L. Fisher 1959-6-26 Placer Yuba Gap on Hwy 40 1676 Comment
  RSA0018263  Ribes roezlii Wm. Martin 1971-9-10 20271 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  CAS-BOT-BC186204  Ribes roezlii var. roezlii Geo. B. Grant 1906-7-15 s.n. Placer About Lake Tahoe 2438 Comment
  CAS-BOT-BC186207  Ribes roezlii var. roezlii J. H. Thompson 1906-7-1 s.n. Placer Fallen Leaf Lake near Lake Tahoe 2042 Comment
  SEINET5339786  Ribes sanguineum J. Ridley 1959-4-19 26 Placer 1 mi. east of Baxter along small stream bank on south side of Highway 40 1219 Comment
  CAS-BOT-BC173854  Ribes velutinum J. F. Emmel 1970-7-18 321 Placer Slope, 0.6 air mile s. of south end of Lake Mary, s. of Donner Pass 2286 Comment
  CAS-BOT-BC168773  Ribes viscosissimum Emily K. Mcpherson 1976-6-12 76- 5 -4 Placer Loch Leven Lakes - Sierra Nevada 2072 Comment
  UC170072  Ribes viscosissimum Miss Helen D. Geis 1912-6 219 Placer Deer Park Comment
  CHSC97766  Rorippa curvisiliqua var. orientalis Lowell Ahart 2007-11-13 14595 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan. 73 Comment
  UCD15151  Rorippa microphylla Phyllis Adams 1982-5-15 52 Placer California Placer Co.; in the American River Canyon; 167 Comment
  UC10753  Rorippa palustris Mrs. M. M. Hardy 1893-1 Placer Comment
  UC12925  Rosa bridgesii Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC147021  Rosa woodsii subsp. ultramontana C. B. Wolf 1931-9-10 2421 Placer Near R.R. between Tahoe Tavern and head of Truckee River (gates) 1920 Comment
  JEPS127442  Rosa woodsii subsp. ultramontana Steve Matson 1998-7-28 360 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west Fork Snow Creek, west edge of main boggy site. Comment
  JEPS72264  Rosa woodsii var. ultramontana Gladys L. Smith, Betsy and Norman Wilson 1972-7-6 3285 Placer Squaw Creek Squaw Valley 2438 Comment
  SEINET7703904  Rosa woodsii var. ultramontana P. A. Lehenbauer 1931-8-30 1704 Placer Lake Tahoe, near Carnelian Bay. Comment
  CAS-BOT-BC147110  Rubus glaucifolius G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12053 Placer Northern Sierra Nevada Mountains Foothills: along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  CAS-BOT-BC248300  Rubus laciniatus George K. Helmkamp; E. A. Helmkamp 2010-8-11 16752 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  CAS-BOT-BC147176  Rubus parviflorus Frances Price 1919-1-1 s.n. Placer Lake Tahoe Comment
  CAS-BOT-BC147963  Rubus parviflorus Julia McDonald 1914-6-1 s.n. Placer Homewood - Lake Tahoe Region Comment
  CAS-BOT-BC147966  Rubus parviflorus Robert M. Rhode; Barbara Nemeth 1997-6-26 176 Placer Blackwood Creek Canyon, c. 4 miles south of Tahoe City, near Blackwood Creek Canyon road, about 0.3 mile west of turnoff from Highway 89 - Lake Tahoe 1981 Comment
  OBI20137  Rubus parviflorus David J. Keil 1978-7-23 12938 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  UCD22284  Rubus parviflorus Beth Lowe Corbin 1982-8-4 205 Placer Hill 1/8 mile W of Onion Creek Campground. S facing slope, 50% inclination. Partial sun. Uncommon. Brushy opening in white fir forest, in deep conifer duff over fine, sandy, granitic soil. Subshrub 10 inches tall. Flowers white. 1853 Comment
  UCD164607  Rubus ursinus Brandi Sorensen 1995-6-1 25 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD17700  Rubus ursinus H. Olmo; T. S. Mallah 1953-3-24 53 21 A Placer California. Placer County: Auburn. Comment
  CAS-BOT-BC422035  Rumex acetosella John H. Thomas; Hazelle A. Thomas 1956-7-21 6219 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  UCR260819  Rumex acetosella M. Kauffman 1997-5-18 20 Placer Sierra Nevada Mtns., 0.1 mile from Hwy 80 on Eagle Lakes Road 1768 Comment
  CAS-BOT-BC422034  Rumex acetosella J. F. Emmel 1971-8-21 382 Placer 0.2 air mile ENE of N. end of Lake Mary, Donner Pass 2156 Comment
  UCD101614  Rumex salicifolius A. A. Heller 1917-6-19 12734 Placer Emigrant Gap. 1615 Comment
  UCR270369  Rumex salicifolius John F. Emmel 2002-6-23 1758 Placer Sierra Nevada Mountains, northern Lake Tahoe region, US Forest Service Road 16N33 a unnamed creek crossing c. 1 mile west of Griff Creek crossing, 1.4 air miles south and 0.2 air mile west of Martis Peak 2244 Comment
  CAS-BOT-BC267073  Sagittaria L. R. Abrams 1917-9-15 6761 Placer 3-5 miles above Auburn Comment
  CHSC74712  Sagittaria cuneata Susi Uri 1998-8-26 98 -112 Placer Lake Tahoe Basin Management Unit - National Forest. Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  SJSU5141  Sagittaria cuneata R. L. Fisher 1959-8-12 Placer road to Cascade Lakes 2 mi W of Lake Van Norden 1981 Comment
  UCD22305  Salix Beth Lowe Corbin 1982-8-24 415 Placer 2 1/2 miles SE of The Cedars. In wet, fine sandy, rocky soil, along stream in Red Fir forest. Loosely branched shrub to 5' high. Old bark smooth, grey. Partial sun. NE facing slope, 20% incline. Common. 2118 Comment
  CAS-BOT-BC103063  Salix bonplandiana Gordon H. True 1968-7-30 4454 Placer Just east of Rocklin, on Rocklin Rd. 76 Comment
  CAS-BOT-BC103551  Salix eastwoodiae John H. Thomas; Hazelle A. Thomas 1956-7-21 6192 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC103558  Salix eastwoodiae W. R. Dudley 1900-6-14 5070 Placer Between Donner Lake and Summit Comment
  CAS-BOT-BC103560  Salix eastwoodiae W. R. Dudley 1900-6-19 5280 Placer woods west of Independence Hotel Comment
  CAS-BOT-BC103601  Salix eastwoodiae Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe region Comment
  CAS-BOT-BC103608  Salix eastwoodiae W. R. Dudley 1900-6-15 5124 Placer on flat northeast of Lake Mary Comment
  CAS-BOT-BC103613  Salix eastwoodiae W. R. Dudley 1900-6-14 5114 Placer In valley north west of Lake Mary Comment
  CAS-BOT-BC103616  Salix eastwoodiae W. R. Dudley 1900-6-14 5047 Placer Below the upper dam at Donner Lake Comment
  CHSC73436  Salix eastwoodiae L. P. Janeway; Eric Schroder 1998-9-16 6324 Placer Lake Tahoe Basin Management Unit. Western border of Lily Lake; head of McKinney Creek, about 3.7 mi southwest of Lake Tahoe. 2164 Comment
  JEPS127552  Salix exigua Steve Matson 2000-6-24 453 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, 400 m north of Hwy 267, 500 m west of Martis Creek, next to concrete slabs. Comment
  UCD110935  Salix exigua M. H. Mills 1996-4-21 163 Placer 5830 Walden Lane, Loomis. 180 Comment
  CAS-BOT-BC103987  Salix geyeriana W. R. Dudley 1900-6-1 5286 Placer near Independence Lake Comment
  JEPS127554  Salix geyeriana Steve Matson 1998-9-1 395 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/ Kings Beach; middle fork Snow Creek; north end of main pond meadow Comment
  POM107080  Salix geyeriana Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak Comment
  UCD22308  Salix jepsonii Rex Palmer 1979-5-26 N 15 Placer Headwaters basin area of the North Fork of the American River. 1950 Comment
  CAS-BOT-BC106952  Salix laevigata Gordon H. True 1971-5-26 6537 Placer northern limits of Lincoln 48 Comment
  CDA16978  Salix laevigata G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16032 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CAS-BOT-BC125293  Salix lasiandra var. lasiandra L. S. Smith 1931-5-22 3 Placer Tahoe National Forest, French Meadows 1828 Comment
  CAS-BOT-BC128473  Salix lasiolepis var. lasiolepis W. R. Dudley 1909-8-16 s.n. Placer Monte Vista, Dutch Flat Comment
  CAS-BOT-BC124747  Salix lemmonii W. R. Dudley 1900-6-1 5283 Placer west of Independence Hotel Comment
  CAS-BOT-BC124753  Salix lemmonii W. R. Dudley 1900-6-14 5014 Placer Donner Lake Meadow Comment
  CAS-BOT-BC124785  Salix lemmonii Gordon H. True 1965-5-18 1905 Placer Deer Creek trib. to Truckee River just below Squaw Valley, near confluence with Truckee River 1859 Comment
  CHSC74123  Salix lemmonii Susi Urie 1998-8-13 98 -025 Placer Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC74264  Salix lemmonii Susi Urie; Eric Schroder 1998-9-12 98 -353 Placer Lake Tahoe Basin--National Forest. Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  CHSC9584  Salix lemmonii E. L. Smith 1971-6-16 958 Placer In meadow at Tahoe Vista, e city limits near King's Beach. 580 Comment
  RSA28829  Salix lemmonii A. A. Heller 1917-6-19 12735 Placer Emigrant Gap. 1616 Comment
  RSA28830  Salix lemmonii A. A. Heller 1917-6-17 12694 Placer Along the Yuba River below Cisco. 1677 Comment
  SEINET10412519  Salix lemmonii T. C. Frantz 1951-4-22 s.n. Placer 5 miles E of Truckee. Comment
  UCD22319  Salix orestera Rex Palmer 1979-6-21 N 412 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC129080  Salix scouleriana W. R. Dudley 1900-6-1 5281 Placer Woods west of Independence Hotel Comment
  CAS-BOT-BC129124  Salix scouleriana W. R. Dudley 1900-6-14 5064 Placer By brook between Donner Lake and Summit Comment
  CAS-BOT-BC129125  Salix scouleriana W. R. Dudley 1900-6-1 5528 Placer Above McKinney's Cr. Comment
  SD43606  Salix scouleriana Darley F. Howe 1948-5-22 Placer Placer County 1219 Comment
  UC1135094  Salix scouleriana N. French 1934-5-31 380 Placer 1/2 mi. e. Texas Hill; Tahoe Nat'l Forest, Colfax Quad. Comment
  UCD40937  Salvia sonomensis Sook Hong 1989-5-20 12 Placer Bush area in the pine forest at the base of the waterfalls. 731 Comment
  CAS-BOT-BC238834  Sambucus nigra subsp. caerulea Carl B. Wolf 1930-10-11 1729 Placer 4 miles west of Emigrant Gap 1524 Comment
  CAS-BOT-BC238835  Sambucus nigra subsp. caerulea Mary P. Wells 1980-9-11 s.n. Placer Forest west of Pioneer Way, Tahoe City 1981 Comment
  JEPS72387  Sambucus racemosa var. microbotrys Gladys L. Smith 1972-6-20 3248 Placer steep slope just below Ward Peak summit 2628 Comment
  SD247498  Sanguisorba minor subsp. muricata George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20802 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road (Foresthill 7.5'Q) 768 Comment
  UCR231850  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2010-8-11 16753 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  UC1562643  Sanicula bipinnatifida Barbara Ertter with David Thompson 1989-4-8 8164 Placer 2 mi from I-80 near entrance to Auburn State Recreation Area (Iowa Creek Road); Iowa Creek Road 518 Comment
  UC174164  Sanicula graveolens C. F. Sonne 1886-6-6 Placer Sierra Nevada Mountains, road to Tahoe Sierra Nevada Mountains Comment
  SEINET3815674 Image available Sanicula tuberosa L. S. Rose 1941-7-18 41323 Placer Lake Tahoe, Chamber Lodge (McKinney) 1900 Comment
  UC1123196  Sanicula tuberosa N. French 1934-6-22 485 Placer 1/2 mi w of Lake Van Norden (Tahoe National Forest); Tahoe National Forest 2133 Comment
  UCD128045  Sanicula tuberosa G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12062 Placer Northern Sierra Nevada Mountains: Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville. 1576 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
  UCR120247  Sarcodes sanguinea George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5037 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CAS-BOT-BC466211  Sarcodes sanguinea Elizabeth Parsons Hawver 1911-6-1 s.n. Placer Lake Tahoe Region: Aspen Grove Comment
  RSA20899  Saxifraga californica Carl B. Wolf 1937-3-30 8362 Placer Sacramento Valley. 2 miles N of Lincoln. 53 Comment
  UCR208271  Saxifraga californica George K. Helmkamp, E. A. Helmkamp 2009-5-7 14637 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  POM90720  Saxifraga tolmiei C. F. Sonne 1885-8-23 s.n. Placer Tinker Knob. 2896 Comment
  JEPS127401  Scandix pecten-veneris Steve Matson 2006-4-23 1606 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  UCR173248  Scandix pecten-veneris George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10459 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  UCD32812  Schedonorus pratensis Beecher Crampton 1964-7-21 7122 Placer Placer County, Cisco Grove, US Hwy. 40. 1722 Comment
  UCD80547  Schedonorus pratensis CNPS SN Foothill Team 2006-6-27 SNNR 0723 Placer Placer Land Trust, Shutamul Parcel, along the Bear River. 309 Comment
  UC1729888  Scirpus congdonii L. P. Janeway, Eric Schroder 1998-9-16 6322 Placer about 3.7 mi sw of Lake Tahoe (western border of Lily Lake, head of McKinney Creek, Homewood Quadrangle); Lily Lake, McKinney Creek 2164 Comment
  UCD44575  Scirpus congdonii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1941 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC590003  Scirpus microcarpus H. S. Yates 1936-8-9 6000 Placer near Brockway; Truckee Quad., near Brockway Comment
  UC1563887  Scleranthus annuus subsp. annuus Barbara Ertter with David Thompson 1989-4-8 8162 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing); near entrance Auburn State Recreation Area 518 Comment
  UCR146679  Scribneria bolanderi Beecher Crampton 1954-5-14 1901 Placer Sacramento Valley, 2 miles northwest of Roseville; Diamond K Ranch 46 Comment
  POM42824  Scrophularia californica subsp. floribunda Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  UC565461  Scutellaria californica Herbert L. Mason 1926-5-26 3274 Placer 5 mi above Auburn Comment
  UCD69348  Sedum obtusatum S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. American River Canyon. Perennial plant communities growing in massive ultramafic outcrops close to Jeffrey pine open forets (Querco vaccinifoliae-Pinetum jeffreyi Rivas-Martinez and Sanchez-Mata 1997). 1850 Comment
  CAS-BOT-BC64212  Sedum obtusatum subsp. obtusatum Mrs. C. E. Miller 1916-8-1 s.n. Placer Emigrant Gap Comment
  UCD22330  Sedum obtusatum subsp. obtusatum Rex Palmer 1979-7-10 N 508 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC69716  Selaginella wallacei D. L. Smith; G. L. Stebbins 1976-7-3 C 7679 Placer NW. side of Ralston Ridge, above Middle Fork American River just e. of Big Crater. 1249 Comment
  CAS-BOT-BC69717  Selaginella wallacei G. L. Stebbins 1969-11-20 6981 Placer Shirttail Canyon, road from Colfax to Forest Hill, mile east of bridge across North Fork, American River. 365 Comment
  UCR191065  Senecio aronicoides George K. Helmkamp, E. A. Helmkamp 2007-5-23 12065 Placer Northern Sierra Nevada Mountains, Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  UCR235382  Senecio aronicoides George K. Helmkamp, E. A. Helmkamp 2012-5-11 18944 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  RSA0013335  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer 1 mile west of Baxter Comment
  CAS-BOT-BC363909  Senecio integerrimus var. exaltatus Alice Eastwood 1912-6-15 418 Placer Five-lakes [Five Lakes], Lake Tahoe Region Comment
  JEPS126354  Senecio integerrimus var. major Steve Matson 1998-6-21 259 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267. Comment
  UC147608  Senecio integerrimus var. major Harriet A. Walker 1908-6-26 1303 Placer Cisco 1810 Comment
  UC91697  Senecio integerrimus var. major C. F. Sonne July 1897 Placer Squaw Valley Comment
  CAS-BOT-BC363997  Senecio integerrimus var. major L. S. Smith 1926-5-25 1848 Placer Tahoe National Forest. Mosquito Ridge near Greek Store [Greekstore] 1676 Comment
  RSA473091  Senecio triangularis Wm. Martin 1971-9-10 20266 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  UC492744  Senecio triangularis G. W. Fetters 1929-7-10 Placer near Pomin's (Lake Tahoe); , Pomin's Comment
  UCD135801  Senecio triangularis L. M. Sparks 1912-8-1 56 Placer Lake Tahoe. 1920 Comment
  UCD43325  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 693 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UC1999910  Sericocarpus oregonensis subsp. californicus J. C. Semple, B. Semple 1995-9-20 10477 Placer Dutch Flats, Main Street; 1.3 km NE of Post Office. Comment
  CDA31822  Sesbania punicea C. Owens 2010-6-3 s.n. Placer 10 meters from Dick Cook Road on upstream terrace in Miner s Ravine Creek, adjacent to the intersection at Auburn Folsom Road. 0 Comment
  CAS-BOT-BC243535  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer Southeast corner Newcastle Road and Brenner Road, Newcastle Comment
  UCD92828  Setaria viridis var. major G. Douglas Barbe 1974-11-26 1985 Placer along Barton Road at Eureka Road, northwest corner, east of Roseville. Comment
  SBBG27400  Sherardia arvensis C. L. Hichcock 1940-5-7 6352 Placer ca. 1 mi W of Baxter Comment
  CAS-BOT-BC213133  Sidalcea Peter Rubtzoff 1976-9-19 8867 Placer Lake Van Norden, Sierra Nevada 2063 Comment
  JEPS102554  Sidalcea glaucescens Lowell Ahart 2001-10-10 9353 Placer French Meadows Reservoir, ca 1/4 mi NE of the boat or trail access area on the NW side of the reservoir, ca 3/4 mi SW of the bridge across the Middle Fork of the American R., ca 1 3/4 mi SW of Ahart Camp, ca 22 mi (air) NE of Forest Hill. 1591 Comment
  UC149004  Sidalcea glaucescens H. M. Hall 1910-7-1 8732 Placer Cisco Sierra Nevada Mountains, Cisco 1828 Comment
  UC718219  Sidalcea hartwegii Carl B. Wolf 1937-5-12 8620 Placer 1 mi n Lincoln; Sacramento Valley, n of Lincoln 45 Comment
  UCD116732  Sidalcea hartwegii Robert A. Christison 1960-5-8 61 Placer junction of State Highway 49 and turnoff to Foresthill. 91 Comment
  UCD116793  Sidalcea malviflora Ted Niehaus 1959-4-19 69 Placer Yankee Jims diggins, Shirttail Road. Comment
  UC871427  Sidalcea malviflora subsp. asprella A. A. Heller 1917-6-19 12744 Placer 8 mi e Colfax; e of Colfax Comment
  UCR201518  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2008-8-20 14017 Placer Northern Sierra Nevada Mountains, Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  UCD44721  Sidalcea oregana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2087 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CHSC74101  Sidalcea oregana subsp. spicata Susi Urie 1998-8-28 98 -130 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnnyside. 2121 Comment
  CHSC74234  Sidalcea oregana subsp. spicata Susi Urie; Eric Schroder 1998-9-8 98 -292 Placer Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CHSC74414  Sidalcea oregana subsp. spicata Susi Urie; Eric Schroder 1998-9-9 98 -306 Placer Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  UCD33730  Sidalcea oregana subsp. spicata Beecher Crampton 1972-7-26 8838 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 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
  UCR250344  Silene californica George K. Helmkamp, Mary Alice Barnes 2013-4-18 20365 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  CAS-BOT-BC386979  Silene douglasii H. M. Hall 1910-7-4 8742 Placer Near Cisco 1890 Comment
  SD243117  Silene douglasii George K. Helmkamp, E. A. Helmkamp 2010-8-14 16772 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing (Duncan Peak 7.5'Q) 1552 Comment
  UC1137890  Silene douglasii B. Bolt 1934-7-12 109 Placer Snow Mountain Tahoe National Forest, Truckee Quad., Snow Mountain Comment
  CDA37055  Silene gallica CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UCD98668  Silene gallica M. H. Mills 1996-4-12 143 Placer along roadside at 5830 Walden lane, Loomis. 180 Comment
  UCD159849  Silene invisa G. Ledyard Stebbins; Charlotte Pyles 1979-7-31 s.n. Placer North slope of ridge between Soda Springs, on North Fork American River, and Lyons Peak. 2072 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
  UCD164612  Silene laciniata subsp. californica Brandi Sorensen 1995-6-1 19 Placer .73 kilometers northwest of Colfax. 671 Comment
  CDA11926  Silene lemmonii G. F. Hrusa, J. Dinsdale 1989-5-2 7065 Placer Sierra Nevada; Mosquito Ridge Rd, about 15 miles below Placer Redwood Grove. Comment
  SACT002226  Sitanion hystrix D. Meyer 1983-9-10 Placer Collected at west end of meadow near parking lot, moist streambank and meadow. 1879.0 Comment
  SACT002234  Sitanion hystrix Michael Baad 1976-7-17 Placer 0.5 mile west of Alpine Meadows Ski Resort on trail to Five Lakes, southeast corner of northeast corner. 2072.0 Comment
  SACT002255  Sitanion jubatum Michael Baad 1983-6-27 Placer 1219.2 Comment
  SACT002250  Sitanion jubatum Josephine Van Ess 1980-5-24 Placer Collected on hillside about 1 mile east of Highway 49. Rocky slopes, serpentine. 414.6 Comment
  CDA16049  Smilacina racemosa G. F. Hrusa, J. Glazner 2000-9-3 15663 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of Crow's Nest ski run. 2164 Comment
  CDA5940  Solanum dimidiatum T. C. Fuller 1968-7-22 17406 Placer 221 Elm Street, Roseville. 0 Comment
  RSA285951  Solanum dimidiatum T. C. Fuller 1968-7-22 17406 Placer sidewalk and street, 221 Elm St., Roseville, Placer Co. Comment
  UC192436  Solanum umbelliferum C. F. Sonne 1886-7-18 Placer on Truckee River, in [R.R.] Canyon Truckee River Comment
  SEINET6186073  Solanum xanti var. montanum M. J. Williams 1985-7-6 85- 63 -4 Placer Sierra Nevada, Pacific Crest Trail between old and new Donner Summits Comment
  UCD159473  Solidago D. S. Park 2010-8-21 227 Placer Off Hampshire Rocks Rd. Shaded understory. 1788 Comment
  RSA473635  Solidago californica Wm. Martin 1971-9-10 20243 Placer 1 mile north of Gold Run on Hwy. 80 991 Comment
  CAS-BOT-BC365508  Solidago elongata Mrs. H. M. Mitchell 1925-7-1 s.n. Placer Gold Run Comment
  CHSC72868  Solidago elongata L. P. Janeway; Eric Schroder 1998-7-13 5747 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  CHSC73023  Solidago elongata L. P. Janeway 1998-8-6 5960 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  JEPS126408  Solidago elongata Steve Matson 1998-8-18 370 Placer Tahoe north shore Watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course along trails. Comment
  UC1070239  Solidago elongata B. Bolt 1934-8-22 186 Placer Grayhorse Flat Truckee Quad., , Grayhorse Flat (Tahoe National Forest) Comment
  UCD44632  Solidago elongata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1998 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  OBI77755  Solidago velutina subsp. californica Robert F. Hoover 1967-9-5 10836 Placer Carnelian Bay, Lake Tahoe Comment
  CDA37238  Sonchus asper CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  CAS-BOT-BC157304  Sorbus californica A. A. Heller 1909-7-16 9835 Placer Summit 2133 Comment
  CAS-BOT-BC157305  Sorbus californica Alice Eastwood 1919-1-1 314 Placer Deer Park Comment
  CAS-BOT-BC158903  Sorbus scopulina W. R. Dudley 1909-8-7 s.n. Placer Little Bear Valley, near Dutch Flat Comment
  UCD99160  Spergula arvensis Lynn Gould 1962-3-24 13 Placer 6 miles west of Roseville. Comment
  CAS-BOT-BC390745  Spergularia marina Gordon H. True 1971-4-9 6463 Placer Northern limits of Lincoln 48 Comment
  JEPS102552  Spergularia rubra Lowell Ahart 2001-10-10 9363 Placer French Meadows Reservoir, near the boat or trail access area on the NW side of the reservoir, about 1 mile SW of the bridge across the Middle Fork of the American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  UCD150465  Spergularia rubra James A. Neilson Jr. 1971-8-11 2317 Placer Tahoe Basin, Homewood. 1905 Comment
  UCR111005  Spergularia rubra George K. Helmkamp, E. A. Helmkamp 1999-6-30 5111 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  SEINET3157626  Spiraea betulifolia G. B. Grant 1906-1 1239 Placer Lake Tahoe, Sierra Nevada Mts. 2438 Comment
  SD6053  Spiraea densiflora none given none given June 1914 Placer Cisco Comment
  CAS-BOT-BC152532  Spiraea splendens Alice Eastwood 1909-7-1 97 Placer Sunnyside Comment
  SCFS1104  Spiraea splendens E. Krimmel 2013-6-2 Placer Foresthill Road, Am. River Gorge overlook Comment
  CAS-BOT-BC220973  Stachys Saichi Kawahara 1969-7-6 1441 Placer At the Mel Henderson Ranch on the east bank of Indian Creek 999 Comment
  SBBG6551  Stachys rigida E. R. Blakley 1960-9-3 3810 Placer Kings Beach, Lake Tahoe 1903 Comment
  POM283403  Stachys rigida subsp. rivularis Lyman Benson 1932-7-31 4023 Placer Tahoe Tavern, Sierra Nevada mtn range, Lake Tahoe watershed. 1890 Comment
  UCD150468  Stellaria longipes James A. Neilson Jr. 1970-7-18 1581 Placer Tahoe Basin, Ward Creek. Near plot 234. 2011 Comment
  CHSC73943  Stellaria longipes var. longipes Susi Urie 1998-8-18 98 -069 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  JEPS111162  Stenotus acaulis Steve Matson 2005-7-16 1398 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  JEPS72173  Stenotus acaulis Gladys L. Smith 1972-6-20 3214 Placer Ward Peak in gravel on open plateau about terminus of Summit Chairlift 2621 Comment
  RSA531313  Stenotus acaulis Walter Wisura, Tom Hayduk, Q. Junzhuan 1991-8-22 4542 Placer Squaw Valley beyond upper cable car stn. on top of rocky ridge. Comment
  UC128271  Stephanomeria lactucina Miss Harriet A. Walker 1908-7-26 1424 Placer Cisco 1810 Comment
  JEPS36882  Stephanomeria lactucina L. S. Smith 1925-8-13 1701 Placer road below Millers Defeat; Tahoe Forest 1859 Comment
  SACT002309  Stipa californica D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT002328  Stipa californica D. Meyer 1984-8-26 Placer Collected at summit 1660.0 Comment
  SACT002342  Stipa columbiana D. Meyer 1983-7-30 Placer Moist areas in both sides of road. 2072.64 Comment
  SACT002343  Stipa columbiana Michael Baad 1983-7-23 Placer Collected south of airport along northeast side of Highway 267 1767.84 Comment
  SD279  Stipa eminens Unknown May 1914 13 40 Placer Cisco. Comment
  UCR146661  Stipa lemmonii Beecher Crampton 1955-6-15 2910 Placer Sierra Nevada Mountains, 0.75 mile south of Yankee Jims 880 Comment
  UCR242328  Stipa occidentalis George K. Helmkamp, E. A. Helmkamp 2010-7-28 16663 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  UCR209732  Stipa occidentalis var. pubescens George K. Helmkamp, E. A. Helmkamp 2009-8-12 15449 Placer Sierra Nevada Mountains, Forest Hill Road at Robinson Flat, 27 miles northeast of the city of Foresthill 2061 Comment
  SACT002396  Stipa pulchra Josephine Van Ess 1977-5-16 Placer Collected just inside park area near Folsom Lake. Opening in chaparral. 176.8 Comment
  CAS-BOT-BC87764  Streptanthus tortuosus Lewis S. Rose 1941-7-23 41355 Placer Chambers Lodge, (McKinney), Lake Tahoe. 1920 Comment
  CAS-BOT-BC87774  Streptanthus tortuosus John Thomas Howell 1943-7-21 18659 Placer Donner Pass to Mount Lincoln. Comment
  SEINET4891943  Streptanthus tortuosus L. R. Miller 1934-7-8 s.n. Placer Cisco. Comment
  SEINET5505738 Image available Styrax officinalis var. californicus Evert I. Schlinger 1952-1 95 Placer 2 miles east of Auburn Comment
  JEPS32511  Styrax officinalis var. redivivus Alice King 1920-1 Placer Rattlesnake Bend Comment
  POM128175  Styrax redivivus W. W. Mackie 1904-04 s.n. Placer Newcastle. Comment
  UCD119105  Styrax redivivus M. Inaba 1998-5-30 22 Placer Gas Canyon Area. Comment
  UCD19281  Styrax redivivus Renee Shahrok 1986-6-25 3 Placer 4.2 mi. east of Forest Hill Rd junction, Mosquito Ridge Rd. 731 Comment
  UCD67979  Styrax redivivus Linda A. Bell 1975-5-24 173 Placer Highway 49, 2 miles South-East of Auburn. 457 Comment
  UCR231831  Suksdorfia ranunculifolia George K. Helmkamp, E. A. Helmkamp 2010-8-14 16779 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  UCD69170  Symphoricarpos albus var. laevigatus D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-9 s.n. Placer Blue Canyon.Tahoe National Forest. 1550 Comment
  CAS-BOT-BC237003  Symphoricarpos mollis Alice Eastwood 1909-1-1 31 Placer Sunnyside Comment
  UCD74065  Symphoricarpos mollis Jennifer W. Burt 2005-7-11 74 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1986 Comment
  CAS-BOT-BC97857  Symphyotrichum eatonii W. R. Dudley 1909-8-16 s.n. Placer Monte Vista, Dutch Flat Comment
  CAS-BOT-BC98486  Symphyotrichum spathulatum John Thomas Howell 1943-7-25 18817 Placer West side of Donner Pass near Norden 2133 Comment
  CHSC73923  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-26 98 -103 Placer Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CHSC74199  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-9-4 98 -243 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CHSC74202  Symphyotrichum spathulatum var. spathulatum Susi Urie; Eric Schroder 1998-9-8 98 -275 Placer Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CAS-BOT-BC376827  Tanacetum vulgare Bessie Kibby 1950-9-1 s.n. Placer Homewood, Lake Tahoe Comment
  JEPS126352  Taraxacum officinale Steve Matson 1998-5-17 197 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 yards north of airport creek, 200 yards south of Martis Dam Road. Comment
  UCD44669  Taraxacum officinale C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2035 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UC20477  Tetrapteron graciliflorum H. N. Bolander 1865-4-13 4564 Placer Newcastle Comment
  CAS-BOT-BC392399  Thalictrum fendleri Alice Eastwood 1909-1-1 122 Placer Lake Tahoe Region. Sunnyside Comment
  JEPS45854  Thalictrum fendleri L. S. Smith 1931-6-3 2552 Placer below Duncan Fork; Tahoe <National> Forest, Flat Ravine 1981 Comment
  UC495495  Thalictrum fendleri Merle Randall 1930-6-17 Placer above Cisco (w of Donner Lake); Big Bend Ranger Sta. 1767 Comment
  UCD44458  Thalictrum fendleri var. fendleri C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1824 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC854483  Thalictrum fendleri var. polycarpum Alice Eastwood 1912-6-15 404 Placer Deer Park Lake Tahoe Region Comment
  UCD93353  Thinopyrum intermedium Frederica Bowcutt 1994-7-22 1952 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp. 2438 Comment
  UCD115924  Thysanocarpus curvipes K. Esau 1932-4-17 s.n. Placer Auburn. Comment
  UC188139  Thysanocarpus curvipes C. F. Sonne 1891-4-5 Placer hillsides below Auburn; below Auburn Comment
  CAS-BOT-BC67322  Thysanocarpus radians Peter H. Raven 1954-4-16 6600 Placer 7 miles south of Lincoln on road to Roseville. Comment
  RSA0049959  Thysanocarpus radians Carl B. Wolf 1937-3-30 8354 Placer Sacramento Valley, 2 mi. No. of Lincoln. 53 Comment
  UCR249596  Torilis arvensis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20813 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  JEPS888  Torilis nodosa W. H. Shockley June 1886 Placer Auburn Comment
Read comments
Oct 3 2006
  UCD39020  Tragopogon dubius Beecher Crampton 1960-11-2 5791 Placer 2 miles east of Bowman, along US Hwy. 40. Comment
  UCR253575  Tragopogon porrifolius George K. Helmkamp, Amy Barnes 2014-4-23 22801 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  CDA15971  Tragopogon pratensis G. F. Hrusa, J. Glazner 1999-7-17 15122 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD163379  Trichostema lanceolatum Robert E. Preston 2015-5-29 3000 Placer 1.8 mi SE of Sheridan, 0.5 mi E of Old Hwy 65, 0.25 mi N of Yankee Slough. 33 Comment
  POM70270  Trichostema oblongum Marcus E. Jones 1982-6-30 s.n. Placer Emigrant Gap. Comment
  SEINET9288478  Trichostema oblongum Unknown 1999-7-17 15158 Placer Martis Valley Comment
  UCD22022  Trichostema oblongum Beth Lowe Corbin 1982-8-9 274 Placer 1/4 mile SW of Onion Creek campground. 1859 Comment
  UCD117581  Trientalis latifolia Eric S. Ngay 1990-6-2 26 Placer Bridlevail Falls, Route 50. Comment
  SD237450  Trifolium campestre G. K. Helmkamp, E. A. Helmkamp 2009-5-7 14619 Placer Sierra Nevada Mountains Foothills: Oxbow Road, 2.0 miles south of its junction with Mosquito Rodge Road; north edge of Oxbow Reservoir (Michigan Bluff 7.5'Q) 402 Comment
  CDA36891  Trifolium dubium CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UCR250603  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20496 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  CDA37058  Trifolium glomeratum CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CDA37246  Trifolium hirtum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD111148  Trifolium hirtum G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11712 Placer Northern Sierra Nevada Mountains: Forest Hill Road at the junction with the unnamed road to Lake Clementine. 457 Comment
  UCD111228  Trifolium hybridum R. Tofsrud 1951-7-11 s.n. Placer Cisco Grove. Comment
  SEINET9260873  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-1 22809 Placer Sierra Nevada Mountains Foothills: Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill (Colfax 7.5' Q) 719 Comment
  UCR253129  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-4-23 22809 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  CHSC96465  Trifolium microcephalum Lowell Ahart; Brian Williams 2007-4-13 13646 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UCD111457  Trifolium microcephalum R. Tofsrud 1951-7-11 s.n. Placer Cisco Grove. 1524 Comment
  CHSC82587  Trifolium monanthum subsp. parvum Lowell Ahart 2002-7-22 9887 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  POM127029  Trifolium monanthum subsp. parvum Helen D. Geis 1912-06 69 .5 Placer Deer Park. Comment
  UC163953  Trifolium monanthum subsp. parvum H. M. Hall 1910-7-11 8759 Placer Cisco Flats Yuba River 1740 Comment
  JEPS59437  Trifolium monanthum var. parvum Ezra Brainerd and Viola B. Baird 1915-7-21 157 Placer trail up river to Lake Tahoe; Sierra Nevada Mtns 1889 Comment
  CDA4321  Trifolium pratense Hanley 1956-6-2 Placer Placerville/Lincoln 0 Comment
  UCD109327  Trifolium striatum Vic Osterli 1951-6-12 s.n. Placer Forest Hill, Patrick place. Comment
  CHSC96468  Trifolium subterraneum Lowell Ahart; Brian Williams 2007-4-13 13647 Placer On damp granite soil, margins and bottoms of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UCR249555  Trifolium subterraneum George K. Helmkamp 2013-3-1 20151 Placer Sacramento Valley, Ranch House Road, 0.6 mile southeast of Riosa Road in Sheridan 37 Comment
  SEINET7375918  Trifolium tridentatum A. Beninghoff 1930-4-20 1779 Placer Lincoln Comment
  SEINET7375928  Trifolium tridentatum A. Allen 1950-4-29 12 Placer 1.2 mile west of Rocklin on highway 40, railroad right of way Comment
  UCD109434  Trifolium variegatum R. Tofsrud 1951-6-1 s.n. Placer Between Weimar and Colfax. Comment
  UCR208606  Trifolium willdenovii George K. Helmkamp, E. A. Helmkamp 2009-5-7 14618 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  JEPS127437  Trifolium wormskioldii Steve Matson 2003-6-29 817 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267. Comment
  CHSC84542  Triglochin scilloides John Dittes 2003-5-25 2003 -22 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 39 Comment
  CAS-BOT-BC516750  Triphysaria eriantha George K. Helmkamp; Amy Barnes 2013-3-28 20285 Placer Eastern Sacramento Valley: along 10th St/Ranch House Rd, 0.6 mi S of its jct with Riosa Road in Sheridan 43 Comment
  UCR249533  Triphysaria eriantha George K. Helmkamp, Amy Barnes 2013-3-28 20285 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  HSC82230  Triphysaria eriantha subsp. eriantha Thomas W. Nelson 1979-4-10 4590 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  JEPS16388  Triphysaria eriantha subsp. eriantha Mrs. Ames Placer [near] Auburn; [near] Auburn Comment
  CAS-BOT-BC228548  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp; E. A. Helmkamp 2011-4-10 17174 Placer Sacramento Valley: 2 miles east of Hwy 65 in Lincoln, along CA-193 just west of the junction with Stardust Lane 76 Comment
  UCR234219  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, E. A. Helmkamp 2011-4-10 17158 Placer Sacramento Valley, along Riosa Road at the east edge of the village of Sheridan 41 Comment
  SACT002432  Trisetum canescens D. Meyer 1983-6-18 Placer Moist roadside stream. 667.0 Comment
  UCR235592  Trisetum canescens George K. Helmkamp, E. A. Helmkamp 2012-5-5 18925 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  UC1133266  Trisetum projectum B. Bolt 1934-8-14 177 Placer Red Star Ridge Tahoe National Forest, Truckee Quadrangle (e slope) Comment
  UCR146856  Trisetum projectum Beecher Crampton 1964-7-21 7115 Placer Sierra Nevada Mtns, 0.5 mile WNW of Cisco Grove on US Hwy 40 1707 Comment
  UCR209731  Trisetum projectum George K. Helmkamp, E. A. Helmkamp 2009-8-12 15450 Placer Sierra Nevada Mountains, Forest Hill Road at Robinson Flat, 27 miles northeast of the city of Foresthill 2061 Comment
  SACT002447  Trisetum spicatum var. projectum Michael Baad 1976-8-7 Placer 2072.0 Comment
  POM260014  Triteleia bridgesii C. L. Hi