Search Results — 2000 specimen records retrieved (1633 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1134159  Abies concolor R. W. Lundh 1933-4-26 238 Placer 3 mi s Signal Peak; Tahoe National Forest, Colfax Quadrangle 1828 Comment
  NY29521  Abies magnifica F. W. Hunnewell 1922-7-18 8395 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
  RSA123358  Abies magnifica R. W. Lundh 1933-4-26 241 Placer 3 miles E of Big Ben R.S. Truckee quadrangle. 1982 Comment
  UC484020  Abies magnifica var. magnifica Carl B. Wolf 1930-10-10 1726 Placer 5 mi from Truckee (Coldstream Canyon); Coldstream Canyon 1981 Comment
  CAS-BOT-BC331006  Acer glabrum var. glabrum Alice Eastwood 1909-1-1 268 Placer Lake Tahoe Region. Deer Park Comment
  CAS-BOT-BC331008  Acer glabrum var. glabrum E. R. Blakley 1960-8-30 3799 Placer 0.5 mi W of Carnelian Bay, Lake Tahoe 2011 Comment
  CAS-BOT-BC333262  Acer macrophyllum Marcus E. Jones 1882-6-28 3306 Placer Emigrant Gap Comment
  UCR235391  Acer macrophyllum George K. Helmkamp, E. A. Helmkamp 2012-5-11 18953 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  UCD13364  Acer macrophyllum Anne Marie Weyandt 1989-5-20 22 Placer Placer Co., near road cut. T 14N, R 12E, Sect.30, NE 1/4. Elev. 4000 ft. 1219 Comment
  CDA39012  Achillea millefolium Larry Klaasen, D. G. Kelch 2011-10-3 s.n. Placer Tahoe City. Granlibakken Resort. Comment
  OBI39804  Achillea millefolium Joy H. Nishida 1985-7-10 783 Placer Homewood 1829 Comment
  SACT000019  Achnatherum nelsonii subsp. dorei Michael Baad 1983-8-21 Placer elev. 6628. sec 29, T17N R14E 2020.0 Comment
  CAS-BOT-BC216875  Achnatherum occidentale Lewis S. Rose 1946-6-23 46193 Placer Rainbow, N of Cisco 1737 Comment
  UCD51018  Achnatherum occidentale G. L. Stebbins Jr. Date Unknown 3172 Placer along U.S. Highway no. 40. 1 mile west of Cisco Grove. 1706 Comment
  CAS-BOT-BC210836  Achnatherum occidentale subsp. californicum C. G. Pringle 1882-9-20 s.n. Placer Summit Valley, Sierra Nevada Mts. 2438 Comment
  CAS-BOT-BC210838  Achnatherum occidentale subsp. californicum No date on label 12889 Placer Summit Station 2121 Comment
  UC1133084  Achnatherum occidentale subsp. californicum B. Bolt 1934-7-3 69 Placer Sawtooth Ridge, top of Tahoe National Forest, Colfax Quadrangle Comment
  UCD158708  Achnatherum occidentale subsp. californicum James A. Neilson Jr.; Dianne Q. McQuaid 1972-8-24 3599 Placer Tahoe Basin, Ward Valley, upper meadow. 2148 Comment
  UCD22223  Achnatherum occidentale subsp. californicum Rex Palmer 1979-6-21 N 356 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22219  Achnatherum occidentale subsp. occidentale Beth Lowe Corbin 1982-8-10 300 Placer 1 1/4 mile WNW of Onion Creek Campground. SE facing slope, 30% incline. Uncommon. Full sun. Open, granitic outcrop in montane chaparral. Bunchgrass, forming small tufts. 1981 Comment
  CAS-BOT-BC218038  Achnatherum stillmanii Catherine Best 1979-7-7 s.n. Placer Ca. 15 miles E of Foresthill, Big Tree Grove Comment
  UCD32816  Achnatherum stillmanii Beecher Crampton 1964-7-21 7127 Placer Placer County, Blue canyon. 1430 Comment
  JEPS490  Achnatherum stillmanii L. S. Smith 1926-6-3 1880 Placer Sugar Pine Range Tahoe Forest (Forest Hill District) 914 Comment
  CAS-BOT-BC29926  Achyrachaena mollis Sterling Bunnell 1978-5-14 s.n. Placer Roseville, 0.5 miles N of Western Electric Plant on Industrial Blvd. Comment
  SBBG3453  Acmispon americanus E. R. Blakley 1960-9-3 3817 Placer Kings Beach, Lake Tahoe 1903 Comment
  UCD103928  Acmispon americanus var. americanus S. S. Smith 1916-6 752 Placer Squaw Valley. Comment
  SEINET5327531  Acmispon americanus var. americanus P. B. Kennedy, Samuel Bradford Doten 1901-8-18 413 Placer [Sierra Nevada] Talbots Home Camp, 7 mi from French Meadows Comment
  SEINET5327433  Acmispon micranthus A. Beninghoff 1930-4-19 1766 Placer 5 mi W Auburn Comment
  SJSU3621  Acmispon micranthus C. W. Sharsmith 1962-5-27 6912 Placer near Clipper Gap c. 6 mi N of Auburn on Donner Summit Rd (Hwy 40) 512 Comment
  UCD22074  Acmispon nevadensis Rex Palmer 1979-7-26 N 833 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD38489  Acmispon parviflorus Beecher Crampton 1955-6-15 2918 Placer 8 miles west of Forest Hill. Comment
  CAS-BOT-BC391458  Aconitum columbianum subsp. columbianum A. A. Heller 1917-8-13 12882 Placer Summit Valley 2118 Comment
  RSA249383  Aconitum columbianum var. columbianum J. D. Ackerman 1974-7-20 387 Placer Alpine Meadows Ski Area, W of Deer Park and Hwy 89 Comment
  CAS-BOT-BC412606  Aconogonon alaskanum A. A. Heller 1917-8-14 12934 Placer Mt. Lincoln south of Summit Valley 2438 Comment
  CAS-BOT-BC412608  Aconogonon alaskanum Alice Eastwood 1909-1-1 37 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC412851  Aconogonon davisiae Miss. T. V. Raphael 1923-7-1 s.n. Placer Cisco, Lookout Mt. Comment
  RSA0049721  Acroptilon repens Dean Wm. Taylor 2013-8-7 21397 Placer Coldstream Valley, headwaters of South Fork Cold Creek, 1889 Comment
  UCD33739  Acroptilon repens Beecher Crampton 1972-7-26 8851 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  POM120401  Adiantum jordanii Marcus E. Jones 1882-7-3 s.n. Placer Dutch Flat Comment
Read comments
Sep 3 2010
  UCR218241  Adiantum jordanii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16437 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 415 Comment
  SACT000029  Aegilops triuncialis D. Meyer 1983-7-24 Placer Moist, shady roadside 1036.32 Comment
  SACT000031  Aegilops triuncialis D. Meyer 1983-6-5 Placer 982.98 Comment
  CAS-BOT-BC29379  Ageratina occidentalis L. S. Smith 1925-9-13 1730 Placer Deer Park, Tahoe Forest 1950 Comment
  UCR173256  Agoseris grandiflora George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10449 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
  CAS-BOT-BC13327  Agoseris retrorsa Marcus E. Jones 1882-6-30 2782 Placer Emigrant Gap Comment
  CAS-BOT-BC13328  Agoseris retrorsa Saichi Kawahara 1969-5-25 1016 Placer East bank of Indian Creek. East of house, Mel Henderson Ranch. Dutch Flat Quadrangle. 1036 Comment
  SD113169  Agoseris retrorsa Darley F. Howe 1971-7-2 4761 Placer Near Lake Tahoe, El Dorado National Forest 1890 Comment
  UC112920  Agoseris retrorsa Katharine Brandegee 1908-6-6 Placer near Auburn Comment
  CAS-BOT-BC13324  Agoseris retrorsa L. S. Smith 1926-5-25 1835 Placer Tahoe National Forest. Mosquito Ridge below Dollar Camp Comment
  CAS-BOT-BC451160  Agrimonia gryposepala W. R. Dudley 1909-8-20 s.n. Placer Dutch Flat Station Comment
  SACT000041  Agropyron desertorum D. Meyer 1983-8-7 Placer Hwy 267 4.64 km S of Placer County line, roadside wash 1758.0 Comment
  SACT000052  Agropyron intermedium var. trichophorum Michael Baad 1976-7-17 Placer Open brushy slopes on granite 2133.6 Comment
  SACT000069  Agropyron trachycaulum D. Meyer 1983-7-30 Placer Moist areas on both sides of road 2072.64 Comment
  SACT000070  Agropyron trachycaulum D. Meyer 1983-8-7 Placer Along Truckee River, east bank 1879.0 Comment
  SACT000072  Agropyron trachycaulum Michael Baad 1983-7-23 Placer 1828.8 Comment
  UCR241350  Agrostis George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19813 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
  RSA129619  Agrostis exarata H. S. Yates 1936-9-8 5987 Placer 2 miles SW of Martis PK. 2287 Comment
  RSA795084  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2011-8-26 18171 Placer along Forest Hill Road, 0.4 miles west of Robinson Flat 2041 Comment
  SACT000086  Agrostis exarata D. Meyer 1983-8-7 Placer East bank 1879.0 Comment
  SACT000099  Agrostis exarata D. Meyer 1983-7-24 Placer Sacramento Rd North of I80 Dutch Flat exit. Moist, shady roadside 1036.32 Comment
  SACT000103  Agrostis exarata Michael Baad 1983-8-27 Placer Trail from Big Bend Ranger Station to Lower Loch Leven Lake. Fir forest with granite 1767.84 Comment
  UCD52535  Agrostis exarata Beecher Crampton 1975-9-9 9269 Placer 1/2 mile n.e. of Blue Canyon P.O. Tahoe National Forest. Along edge of Blue Canyon Creek. 1524 Comment
  SACT000094  Agrostis exarata Josephine Van Ess 1976-6-11 Placer Dried streambank 27.4 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
  SACT000184  Agrostis idahoensis D. Meyer 1984-7-15 Placer edge of Serene Lake 2085.0 Comment
  UC725839  Agrostis idahoensis A. A. Heller 1919-7-24 13293 Placer near Cisco Comment
  UCD43280  Agrostis idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 648 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET10968050  Agrostis idahoensis A. Arthur Heller 1919-7-25 Heller 13293 Placer Sandy flat near the Yuba river below Cisco. Comment
  UCD22260  Agrostis pallens Rex Palmer 1979-7-26 N 815 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD53003  Agrostis rossiae R. Tofsrud 1951-7-1 s.n. Placer near Campton's store, Hwy. 40 (above Nayak). Comment
  RSA129536  Agrostis scabra B. Bolt 1934-8-14 s.n Placer E. slope of Red Star Ridge 1768 Comment
  SACT000155  Agrostis scabra D. Meyer 1984-7-21 Placer 1927.0 Comment
  SACT000158  Agrostis scabra D. Meyer 1983-8-7 Placer Along Truckee River east bank 1879.0 Comment
  JEPS45798  Agrostis stolonifera Eleanor Armstrong 1932-9-9 205 Placer 6 mi e Truckee 1371 Comment
  SACT000196  Agrostis stolonifera var. major D. Meyer 1984-8-26 Placer 1818.0 Comment
  SACT000220  Agrostis tenuis D. Meyer 1983-10-22 Placer searchlight ski run from base up to Olympic lady charilift, cleared most vegetation, trees lining edge of run, straw added for erosion control. 2000.0 Comment
  SACT000254  Agrostis variabilis Michael Baad 1976-7-17 Placer west of Alpine Meadows ski area and 6 miles west of Tahoe City. Red fir lodgepole pine forest with opening. 2000.0 Comment
  UC143950  Agrostis variabilis C. G. Pringle 1882-9-22 Placer Summit Valley Sierra Nevada Mountains, Summit Valley 2438 Comment
  UCD53716  Agrostis variabilis B. Crampton 1953-7-21 1537 Placer Harrison Flat road, 1 mile south of Soda Springs. 2133 Comment
  UCD55628  Agrostis variabilis A. A. Heller 1917-8-13 12913 Placer Ridge northwest of Donner Pass. 2346 Comment
  UCD74169  Agrostis variabilis Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 203 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Trailblazer' ski run. 2156 Comment
  SACT000259  Agrostis viridis Josephine Van Ess 1976-5-12 Placer just north of the campus. small stream. 1/2 mile past Bankhead Street stream. 91.5 Comment
  JEPS113247  Aira caryophyllea Lowell Ahart 2007-4-13 13659 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
  UCSB34809  Aira caryophyllea Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65 Comment
  SACT000274  Aira caryophyllea Earl Ingrim 1933-4-23 Placer Comment
  JEPS47574  Allium amplectens L. S. Smith 1925-6-13 1671 Placer Picayune Creek Tahoe Forest, French Meadows Range, Picayune Creek 1981 Comment
  SD595  Allium campanulatum Unknown Jul 1914 17 9 Placer Cisco. Comment
  JEPS59455  Allium campanulatum Ezra Brainerd and Viola B. Baird 1915-7-7 190 Placer North Fork of Squaw Creek Valley Sierra Nevada Mts., North Fork of Squaw Creek Valley 1981 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
  UC177416  Allium obtusum A. R. Valentien June 1914 Placer Cisco Comment
  UC593519  Allium obtusum E. B. Babcock, G. L. Stebbins Jr. 1936-6-2 1579 Placer Yuba Pass 1818 Comment
  CAS-BOT-BC474278  Allium obtusum var. obtusum John H. Thomas; Hazelle A. Thomas 1956-7-21 6087 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CAS-BOT-BC474276  Allium obtusum var. obtusum Alice Eastwood 1912-6-15 417 Placer Five Lakes. Lake Tahoe Region Comment
  CAS-BOT-BC132052  Allium peninsulare var. peninsulare David D. Keck 1933-6-1 2431 Placer 2.3 miles southeast of Loomis on back road to Folsom Comment
  UC188711  Allium peninsulare var. peninsulare C. F. Sonne May 1891 Placer Newcastle 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
  UCD149499  Allium sanbornii G. L. Stebbins 1978-5-28 7890 Placer West side of Big Crater. (Exact location unknown. Coordinates estimated by label maker.) 1280 Comment
  UCD158865  Allium tribracteatum G. Ledyard Stebbins 1970-4-4 6991 Placer Ridge east of Gas Canyon, north of Middle Fork (of the) American River. (Exact location unknown. Coordinates estimated by label maker.) 685 Comment
  CHSC40964  Allophyllum divaricatum J. D. Jokerst 1984-6-19 2059 Placer North of Long Canyon Cr, E of Blacksmith Flat. 1127 Comment
  UCD72507  Allophyllum divaricatum Ellen Dean 2006-5-22 3143 Placer Above north fork of the American River on N side of Foresthill Bridge. 274 Comment
  SEINET11266063  Allophyllum integrifolium George Helmkamp, E. A. Helmkamp 2011-8-26 18184 Placer Norther Sierra Nevada Mountains: along Forest Hill Road, 0.4 miles of Robinson Flat (Duncan Peak 7.5 Q.); 0 2050 Comment
  UC1123707  Allophyllum integrifolium B. Bolt 1934-7-10 93 Placer 2 mi. s. Huysink Lake; Tahoe Nat'l Forest, Colfax Quad. Comment
  CAS-BOT-BC171251  Alnus John H. Thomas; Hazelle A. Thomas 1956-7-21 6195 Placer Vicinity of Donner Pass, about 80 miles NE of Sacramento. Sierra Nevada 2377 Comment
  CDA16040  Alnus incana subsp. tenuifolia G. F. Hrusa, J. Glazner 2000-9-3 15673 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  UCD43135  Alnus incana subsp. tenuifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 503 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44503  Alnus incana subsp. tenuifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1869 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC171439  Alnus rhombifolia Mrs. Marian Campbell 1928-6-28 s.n. Placer Summit Comment
  SD43609  Alnus tenuifolia Darley F. Howe 1948-5-22 1823 Placer unknown 1705 Comment
  SACT000260  Alopecurus aequalis Michael Baad 1983-7-23 Placer along hwy 267 on southside of the road Comment
  CHSC96477  Alopecurus saccatus Lowell Ahart; Brian Williams 2007-4-13 13660 Placer On the bottom of 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
  JEPS44681  Amelanchier Katharine Brandegee Jul 1908 Placer Alta Comment
  JEPS59457 Image available Amelanchier alnifolia var. pumila Ezra Brainerd and Viola B. Baird 1915-7-13 192 Placer slopes along Truckee River; Sierra Nevada Mountains 1905 Comment
  POM220723  Amelanchier pallida M. Canby 1929-5-12 151 Placer 4 miles SW of Blairsden Comment
  RSA0090024  Amelanchier pallida Marcus E. Jones 1927-8-12 s.n. Placer Lake Tahoe. Comment
  SEINET11910806  Amelanchier pallida J. H. Nishida 1985-1 767 Placer Homewood, Red Fir Forest 1829 Comment
  SEINET6190546  Amelanchier pallida P. A. Lehenbauer 1932-9-11 s.n. Placer Carnelian Bay, Lake Tahoe Comment
  CAS-BOT-BC136767  Amelanchier utahensis A. A. Heller 1917-6-19 12729 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC136770  Amelanchier utahensis John Thomas Howell 1938-8-2 14010 Placer Near Brockway Comment
  CDA36965  Amsinckia menziesii var. menziesii CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UC891435  Anaphalis margaritacea A. A. Heller 1916-8-13 12907 Placer 2133 Comment
  UCD21685  Anaphalis margaritacea Beth Lowe Corbin 1982-8-3 179 Placer Onion Creek campground. In open dry meadow. Perennial herb, phyllaries papery white, disk flowers yellow. Mostly sun. SW facing slope. Uncommon. 1841 Comment
  UCD21771  Anaphalis margaritacea Rex Palmer Date Unknown N 887 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET6734967 Image available Anaphalis margaritacea R. R. Miller 1934-7-8 s.n. Placer Cisco Comment
  UCD56040  Andropogon glomeratus Beecher Crampton 1960-11-2 5802 Placer north slope of the North Fork of the American River, along State Hwy. 49, 1 mile SE of Auburn. Comment
  CAS-BOT-BC137821  Andropogon glomeratus var. pumilus Arthur L. Menzies 1962-11-3 s.n. Placer On Highway 49. 0.25 mile west of American River Bridge near Auburn. 213 Comment
  SACT000288  Andropogon virginicus Josephine Van Ess 1975-11-5 Placer Permanent stream to Linda Creek 94.5 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
  SEINET9289174  Angelica breweri Unknown 2009-7-16 15213 Placer Sierra Nevada Mountains Comment
  UC1122895  Angelica breweri R. C. Wilson 1934-9-19 72 Placer Tahoe National Forest, Squaw Valley Squaw Valley; Tahoe National Forest, Squaw Valley 2011 Comment
  CAS-BOT-BC63974  Antennaria argentea Peter H. Raven 1950-6-26 2419 Placer Baxter's 1219 Comment
  SEINET11854050  Antennaria luzuloides C. F. Sonne 1885-1 Placer Tahor City Comment
  JEPS126329  Antennaria luzuloides subsp. luzuloides Steve Matson 2003-7-4 823 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards north of Highway 267 and 900 yards west of Martis Creek. Comment
  UC197220  Antennaria media C. F. Sonne 1897-7-1 Placer e slope Mt. Anderson 2438 Comment
  JEPS126319  Antennaria rosea Steve Matson 1997-7-1 1 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; along dirt road western extension of North Ave. Comment
  UCD21686  Antennaria rosea Rex Palmer 1979-7-26 N 889 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD33741  Anthemis tinctoria Beecher Crampton 1972-7-26 8853 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  CAS-BOT-BC137713  Anthoxanthum odoratum 1932-6-7 2680 Placer Elliot Ranch, Sugar Pine Range. 1066 Comment
  UCD127200  Anthriscus caucalis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10427 Placer Northern Sierra Nevada foothills 2.1 mi south of Auburn along Calif. Hwy 49. 293 Comment
  SEINET3854170 Image available Antirrhinum vexillo-calyculatum subsp. intermedium Marcus E. Jones 1882-7-3 3426 Placer Colfax Comment
  POM29613  Antirrhinum vexillocalyculatum subsp. intermedium Marcus E. Jones 1882-7-3 3426 Placer Colfax. 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
  SEINET7923476  Apocynum androsaemifolium K. A. Chandler 1901-8-21 s.n. Placer Half Moon, near Tahoe Comment
  SCFS1024  Apocynum cannabinum E. Krimmel 2014-7-5 Placer Beside seep next to driveway. Comment
  SCFS1048  Aquilegia formosa E. Krimmel, F. Felix 2014-8-7 Placer North Fork American River, Headwaters Basin, Needle Lake Comment
  UC147572  Aquilegia formosa Harriet A. Walker 1908-6-24 1249 Placer Blue Canyon Comment
  CAS-BOT-BC397899  Aquilegia formosa Marcus E. Jones 1893-1-1 2614 Placer Emigrant Gap. Comment
  CAS-BOT-BC397903  Aquilegia formosa Saichi Kawahara 1969-7-6 1468 Placer Finning Mill road just south of Sugar Pine Road. Tahoe National Forest. SW 1/4 of section 19 of the Dutch Flat Quadrangle, R11E T15N 1139 Comment
  SEINET12092704  Aquilegia formosa J. H. Nishida 1985-1 782 Placer Homewood: Red Fir Forest 1829 Comment
  SD237383  Arabidopsis thaliana G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15929 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls Crossing of the American River (Pilot Hill 7.5'Q) 156 Comment
  UCD43026  Arabis hirsuta var. glabrata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 395 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET3899869  Arabis holboellii var. retrofracta Larry C. Higgins 1968-7-14 1743 Placer Squaw Valley.; 0 1920 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
  SEINET2116910  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen, C. M. Daugherty 2004-8-17 2004 -13 Placer Alpine Meadows Ski Area, along Roundhouse Ski Lift 2190 Comment
  CAS-BOT-BC27156  Arctostaphylos mewukka Clinton Hart Merriam 1911-11-5 s.n. Placer 3 miles NW of Colfax. Comment
  CAS-BOT-BC40044  Arctostaphylos nevadensis A. A. Heller 1917-6-17 12695 Placer Near the Yuba river below Cisco. 1676 Comment
  CAS-BOT-BC40047  Arctostaphylos nevadensis Brandegee 1889-1-1 s.n. Placer Donner Comment
  CAS-BOT-BC40048  Arctostaphylos nevadensis Belle R. Jackson 1932-6-1 s.n. Placer Donner Pass Comment
  RSA256999  Arctostaphylos nevadensis Gary D. Wallace 1974-12-27 1374 Placer Near Lake Tahoe on the outskirts of Homewood. 1905 Comment
  CAS-BOT-BC42149  Arctostaphylos patula Mary P. Wells 1980-9-12 s.n. Placer Sierra Nevada - forest west of Pioneer Way, Tahoe City 1981 Comment
  RSA254298  Arctostaphylos patula Gary D. Wallace, R. F. Thorne, L. DeBuhr, A. Tatsuno 1975-4-13 1420 Placer Sierra Nevada, Baxter exit off Hwy. 80 between Alta and Blue Can. 1207 Comment
Read comments
Jul 23 2017
  UC1120769  Arctostaphylos patula G. T. Nordstrom 1934-6-21 135 Placer 2 mi ne Mammoth Springs; Tahoe National Forest, Colfax Quadrangle Comment
  UCD21473  Arctostaphylos patula Beth Lowe Corbin 1982-8-18 368 Placer One mile SW of The Cedars. 1828 Comment
  SCFS1103  Arctostaphylos viscida E. Krimmel 2014-6-26 Placer "Land of the Lost": on trail, 1/3 of the way from Serena Creek to Heath Falls Overlook. Comment
  RSA637014  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24919 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  UC82995  Arctostaphylos viscida subsp. viscida Katharine Brandegee June 1889 Placer Blue Canyon Comment
  SEINET5784772 Image available Arenaria congesta Marcus E. Jones 1882-1 3278 Placer Emigrant Gap Comment
  CDA15941  Arenaria congesta var. congesta G. F. Hrusa, J. Glazner 1999-7-17 15149 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CDA24000  Arenaria kingii var. glabrescens K. Stark 1994-8-17 Placer Martis Peak, Tahoe National Forest. 0 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
  CAS-BOT-BC82205  Arnica chamissonis Le Roy Abrams 1911-7-27 4781 Placer Lake Valley 1950 Comment
  CAS-BOT-BC82322  Arnica cordifolia M. S. Jussel 1928-6-25 s.n. Placer Tahoe City near school Comment
  JEPS126301  Arnica cordifolia Steve Matson 1999-6-12 409 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west from Tiger Ave. Comment
  RSA123055  Arnica dealbata B. Bolt 1934-8-14 171 Placer Red Star Ridge, between Mount Mildred and Middle Fork of the American River, Tahoe National Forest. 2134 Comment
  UCD21794  Arnica dealbata Beth Lowe Corbin 1982-8-19 380 Placer 1 1/2 miles south of The Cedars. 1874 Comment
  POM51369  Arnica dealbata C. F. Sonne 1895-7-14 s.n. Placer Near Pole Creek on Truckee River. Comment
  UC91127  Arnica lanceolata subsp. prima C. F. Sonne 1886-8-16 Placer 2590 Comment
  CAS-BOT-BC82653  Arnica latifolia Alice Eastwood 1909-1 276 Placer Ward Pass, Lake Tahoe Region Comment
  UC195680  Arnica longifolia C. F. Sonne 1896-8-2 Placer Crossing of R. R. on road to Tahoe Comment
  POM160971  Arnica longifolia subsp. myriadenia C. F. Sonne 1897-8-7 s.n. Placer E Slope Mt. Anderson 2439 Comment
  UCD43098  Arnica mollis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 466 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  JEPS20971  Arnica nevadensis C. F. Sonne 1888-8-12 190 Placer near Truckee; Sierra Nevada Mountains Comment
  UC193461  Arnica nevadensis C. F. Sonne 1885-7-12 Placer n of Tinkers Knob; Anderson's Peak Comment
  SACT000346  Arrhenatherum elatius D. Meyer 1983-7-24 Placer Sacramento Road north of I80 Dutch Flat exit, moist, shady roadside. 1030.0 Comment
  RSA127146  Artemisia arbuscula subsp. arbuscula George H. Ward 1949-9-12 948 Placer Along truckee River, ca. 8 mi. N of Tahoe City Comment
  CHSC112136  Artemisia arbuscula subsp. thermopola Dean Wm. Taylor 2013-7-7 21400 b Placer Tinker Knob, east flank (approached from the jeep road along the ridge to the northeast). 2650 Comment
  SEINET8196674  Artemisia arbuscula subsp. thermopola D. W. Taylor 2013-7-7 21400 b Placer Tinker Knob, east flank (approached from the jeep road along the ridge to the NE). 2648 Comment
  JEPS126341  Artemisia cana subsp. bolanderi Steve Matson 1997-9-27 181 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards south of Highway 267 near Martis Creek. Comment
  UCD43122  Artemisia cana subsp. bolanderi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 490 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CHSC89315  Artemisia ludoviciana subsp. ludoviciana G. F. Hrusa; J. Glazner 2000-7-1 15609 Placer Northern Sierra Nevada. Summit Village, Truckee. Along Donner Creek adjacent to Hwy 89. UTM: 10 S, 43571 N, 07411 E. [Lat./long. on label is '39 22 N; 120 15 W']. 1844 Comment
  UC1119428  Artemisia rothrockii N. French 1934-6-22 462 Placer 1/2 mi w Lake Van Norden; Tahoe National Forest, Truckee Quadrangle Comment
  RSA122572  Artemisia spiciformis B. Bolt 1934-8-23 201 Placer Mount Mildred 2470 Comment
  UC1119383  Artemisia spiciformis B. Bolt 1934-8-23 197 Placer divide between Picayune and Grayhorse; Tahoe National Forest, Truckee Quad. 2438 Comment
  UC193453  Artemisia spiciformis C. F. Sonne 1888-9-9 Placer on Truckee River; Bear Valley Comment
  UCD38846  Asarum lemmonii Beecher Crampton 1958-6-24 4964 Placer Placer County; three miles west of Baxter. Earl Morton Ranch. 1066 Comment
  SBBG50998  Asclepias cordifolia N. R. Zabriskie, W. Zabriskie 1973-6-7 668 Placer Emigrant Gap,off Interstate 80 W of Donner Pass 1615 Comment
  UCD158830  Asclepias cordifolia K. O'Keefe 1995-6-4 s.n. Placer Placer County, East edge of Old Forest Hill Rd., two mi from Forest Hill Rd. Western Sierra foothills, northeast of Auburn. 450 Comment
  UCR194940  Asclepias cordifolia George K. Helmkamp, E. A. Helmkamp 2007-5-18 12009 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  RSA686378  Aspidotis densa May N. Ackley 1925-06 40 Placer Emigrant Gap. 1677 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
  CDA16055  Aster eatonii G. F. Hrusa, J. Glazner 2000-9-3 15683 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  RSA750435  Aster eatonii George K. Helmkamp, E. A. Helmkamp 2008-8-20 14022 Placer Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  RSA714090  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2005-10-1 9983 Placer Northern Sierra Nevada Mts.: NW of Lake Tahoe; Junction of Bear Creek Road and Big John Drive (ca. 2.2 miles west of CA Highway 89 and just south of Alpine Meadows Road) 2015 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
  SEINET2443006  Aster radulinus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15453 Placer Northern Sierra Nevada Mountains. Forest Hill Road, 21.7 miles northeast of the city of Foresthill. 1701 Comment
  CAS-BOT-BC177511  Astragalus austiniae C. F. Sonne 1885-8-23 68 Placer Tinker's Knob 2895 Comment
  JEPS127432  Astragalus cicer Steve Matson 2003-8-15 910 Placer nSNH north Lake Tahoe; Dollar Hill 3 miles east if Tahoe City. 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
  UCD34021  Asyneuma prenanthoides Beecher Crampton 1975-9-9 9272 Placer Placer County, Tahoe National Forest, ca. 1 mile N.E. of Blue Canyon post office. 1524 Comment
  JEPS35131  Athyrium distentifolium var. americanum C. F. Sonne Aug 1887 324 Placer e slope Mt Anderson (above Coldstream); Sierra Nevada Mts 2590 Comment
  JEPS73119  Athyrium distentifolium var. americanum Gladys L. Smith 1972-8-25 3433 Placer meadow below n cirque Granite Chief 2575 Comment
  POM175436  Athyrium filix-femina subsp. cyclosorum May N. Ackley 1925-06 76 Placer Above Towle 1128 Comment
  UCD136285  Athyrium filix-femina var. californicum Beecher Crampton 1972-6-20 8826 Placer From Bear Valley, State Highway 20 east. 1402 Comment
  CHSC10695  Athyrium filix-femina var. cyclosorum Lowell Ahart 1966-8-12 Placer Near French Meadows. 1676 Comment
  SACT000400  Avena fatua D. Meyer 1983-6-18 Placer Shady area 1170.0 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-BC66258  Azolla mexicana Lowell Ahart 1975-3-16 s.n. Placer About 1/2 to 1/2 miles NE of intersection on Wise and McCourtney Road north of Lincoln 41 Comment
  UCR231864  Baccharis pilularis George K. Helmkamp, E. A. Helmkamp 2010-10-16 17031 Placer Northern Sierra Nevada Mountains Foothills, Sugar Pine Road at the southwest corner of Sugar Pine Reservoir near the dam 1128 Comment
  UC147648  Balsamorhiza deltoidea Harriet A. Walker 1908-6-24 1285 Placer Blue Canon 1432 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
  UC893858  Balsamorhiza sagittata Alice Eastwood Jun 15 1912-Jun 19 1912 363 Placer Deer Park Lake Tahoe Region Comment
  CAS-BOT-BC16555  Barbarea orthoceras George B. Grant 1906-7-15 6954 Placer Lake Tahoe. Tahoe Tavern. 1889 Comment
  UCD129459  Bidens frondosa Beecher Crampton 1975-9-9 9276 Placer Gold Run rest area along Interstate Hwy. 80 W. 914 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
  CAS-BOT-BC102055  Bidens frondosa John Thomas Howell 1929-10-4 4427 Placer 1 1/2 miles from Auburn on road to Colfax Comment
  CAS-BOT-BC413045  Bistorta bistortoides Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  JEPS124696 Image available Bistorta bistortoides Virginia Hardham 1965-6-27 24 Placer Meadow to left going S. past Montreal Rd. sigh Hw 89. Comment
  SEINET4176258  Boechera J. Halderman 2007-9-18 s.n. Placer Sierra Nevada, north-facing slope of Lookout Mountain at Northstar Ski Area 2346 Comment
  CAS-BOT-BC16147  Boechera covillei John Thomas Howell 1943-7-21 18651 Placer Donner Pass to Mount Lincoln. Comment
  CAS-BOT-BC16272  Boechera howellii John F. Emmel 1971-7-11 377 Placer 0.3 air mile east of east side of Lake Mary, between Donner Pass and Mount Judah. 2286 Comment
  JEPS109850  Boechera platysperma Dean W. Taylor 2005-7-15 19409 Placer Martis Peak, saddle 0.5 air miles E of the summit along Murphys Meadows Road 2560 Comment
  UC178951  Boechera platysperma Katharine Brandegee Jul 1908 Placer near Cisco Comment
  UCD22334  Boechera retrofracta Beth Lowe Corbin 1982-8-2 157 Placer Onion Creek Campground. S facing slope. Partial shade. Uncommon clumps of about 25 plants. In shallow, conifer litter over fine, sandy, granitic soil in mixed evergreen forest. Biennial herb, flowers white. 1841 Comment
  UCD22343  Boechera retrofracta Rex Palmer 1979-6-8 N 114 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC10137  Boechera sparsiflora H. N. Bolander 1865-4-10 4514 Placer near Auburn (Bed of American River); American River Comment
  SBBG70965  Boykinia occidentalis M. N. Ackley -Jun-1925 997 Placer Shirttail Cyn, American River 762 Comment
  CAS-BOT-BC145514  Briza minor A. A. Beetle 1941-5-26 2711 Placer Near Cisco. 914 Comment
  UC618204  Brodiaea appendiculata R. F. Hoover 1939-5-10 4089 Placer Lincoln Comment
  UCD77174  Brodiaea coronaria Robert E. Preston 2004-4-25 2223 Placer Ca. 2.6 mi SE of Sheridan, along Nader Rd. 41 Comment
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Jun 17 2014
  SBBG57590  Brodiaea coronaria subsp. coronaria M. N. Ackley -Jun-1925 633 Placer Penryn 191 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
  SEINET7067123  Brodiaea stellaris A. G. Vestal 1947-4-29 s.n. Placer Serpentine about 3.8 miles north of Auburn and 0.2 miles south of Elders Corner on Route 49. Coordinate datum: NAD27. UTM Zone 10, 664672mE, 4313245mN. Comment
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Jul 17 2018
  SACT000381  Bromus carinatus D. Meyer 1984-6-23 Placer Nevada-Placer County line, moist shaded area. 594.0 Comment
  SACT000515  Bromus carinatus D. Meyer 1983-7-16 Placer Gold Run Road, near Interstate 80 Gold Run exit 975.36 Comment
  UCD34553  Bromus carinatus var. marginatus Beecher Crampton 1985-6-23 9998 Placer Placer County, North Shore Lake Tahoe, Stateline road. Comment
  UCD59148  Bromus carinatus var. marginatus L. S. Smith 1916-6-18 533 Placer Squaw Valley. Comment
  UCD59165  Bromus carinatus var. marginatus L. S. Smith 1916-6-27 647 Placer Squaw Valley. Comment
  CHSC74335  Bromus ciliatus Susi Urie; Eric Schroder 1998-9-12 98 -371 Placer Meadow complex on the south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  UCR146660  Bromus commutatus Beecher Crampton 1955-6-15 2862 Placer Sierra Nevada Mountains, 3 miles east of Weimar, head of Bunch Canyon, on Forest Hills [Yankee Jim] Road, just off U.S. Highway 40 701 Comment
  CAS-BOT-BC155986  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer Near Cisco. 914 Comment
  SACT000525  Bromus diandrus Michael Baad 1983-5-5 Placer One mile north of Placer hills Road, 2 miles from Colfax. Open hillside, north-facing slope. 609.6 Comment
  UCD59463  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer Near Cisco. 914 Comment
  UCR173174  Bromus diandrus George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10129 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-BC155062  Bromus hordeaceus John Thomas Howell; Gordon H. True 1972-3-17 7081 Placer Northern Outskirts of Lincoln. 48 Comment
  CHSC96458  Bromus hordeaceus Lowell Ahart; Brian Williams 2007-4-13 13661 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
  SD255609  Bromus hordeaceus George K. Helmkamp, Amy Barnes 2014-3-21 22641 Placer Sacramento Valley: Sherican, Riosa Road at the west side of its junction with old CA-65 (Sheridan 7.5'Q) 32 Comment
  SACT000565  Bromus hordeaceus subsp. hordeaceus Josephine Van Ess 1983-6-18 Placer Shady area 1170.0 Comment
  SACT000556  Bromus inermis D. Meyer 1983-8-20 Placer moist roadside meadow, some vegetation following residential construction 2000.0 Comment
  POM364025  Bromus laevipes A. A. Beetle 1941-5-26 2726 Placer Near Cisco 915 Comment
  SACT000595  Bromus laevipes Josephine Van Ess 1977-5-20 Placer Garden Bar Rd. collected in woodland area. Shaded slope. Heads nodding. Comment
  SACT000598  Bromus laevipes D. Meyer 1984-6-10 Placer 3.2 km southwest of Colfax, steep shady cliff along slowly moving stream 606.0 Comment
  UCD36678  Bromus laevipes Beecher Crampton 1955-6-15 2916 Placer Placer County, 6 miles west of Forest Hill. Comment
  UCD58996  Bromus madritensis August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  SACT000695  Bromus marginatus D. Meyer 1983-8-7 Placer moist, shady area, Louisiana Pacific Private Forest entrance 2000.0 Comment
  SACT000698  Bromus marginatus D. Meyer 1984-7-21 Placer moist roadside ditch and pine wooded area, dense shade 1927.0 Comment
  SACT000701  Bromus marginatus D. Meyer 1983-8-20 Placer from road to first lake, steep rocky trail 2000.0 Comment
  CAS-BOT-BC162162  Bromus orcuttianus Catherine Best 1981-8-2 s.n. Placer Sierra Nevada. About 2 miles southwest of French Meadows on the road of Big Meadow. Comment
  LA13781  Bromus orcuttianus B. Bolt; 1934-7-3 75 Placer top of Sawtooth Ridge 1219 Comment
  SACT000618  Bromus orcuttianus D. Meyer 1984-7-29 Placer 1645.92 Comment
  SBBG22672  Bromus orcuttianus M. S. Walters 1960-6-21 Placer Hwy 89 just S of Tahoe City, 0.3 mi S of Truckee River Bridge Comment
  SBBG26324  Bromus orcuttianus B. Crampton 1964-7-21 Placer Blue Cyn 1430 Comment
  UCD22238  Bromus orcuttianus Beth Lowe Corbin 1982-8-2 165 Placer Onion Creek Campground. S facing slope. Partial sun. Scattered clumps are common, but cover little percentage of area. In mixed conifer forest openings, in conifer duff over fine, sandy, granitic soil. Perennial with small, loose tufts. 1841 Comment
  UCD32815  Bromus orcuttianus Beecher Crampton 1964-7-21 7126 Placer Placer County, Blue canyon. 1430 Comment
  UCD37042  Bromus orcuttianus Beecher Crampton 1956-7-17 3723 Placer Placer County, Blue Canyon. 1432 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
  UCD43251  Bromus porteri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 620 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SACT000724  Bromus rubens Michael Baad 1977-6-8 Placer thin soil 1219.2 Comment
  UCD59522  Bromus rubens M. Vincent 1965-4-19 649 Placer 4 miles south of Marysville. Comment
  SACT000676  Bromus sterilis D. Meyer 1983-4-17 Placer Small drainage ditch, moist sunny exposure. 231.648 Comment
  UC905446  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer s of Summit Valley (Mount Lincoln); Mount Lincoln 2499 Comment
  SACT000764  Bromus tectorum Michael Baad 1983-7-23 Placer along northeast side of highway 267 1767.84 Comment
  UC1131291  Bromus tectorum G. T. Nordstrom 1934-6-21 142 Placer 3/4 mi w of Mammoth Spring (Tahoe National Forest); Tahoe National Forest 1676 Comment
  UCD36653  Bromus tectorum var. glabratus Beecher Crampton 1955-6-15 2873 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40. Comment
  SACT000772  Bromus tectorum var. tectorum D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT000799  Bromus willdenowii D. Meyer 1984-6-17 Placer at Margaret Ann Drive, South of Weimar 545.0 Comment
  UCD43041  Calamagrostis canadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 410 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44419  Calamagrostis canadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1785 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SEINET9097932  Calandrinia ciliata var. menziesii A. Tiehm, H. Mozingo, M. J. Williams, E. McPherson 1975-1 609 Placer One mile N of Lincoln. Comment
  SEINET9097828  Calandrinia ciliata var. menziesii L. Smith 1979-4-12 s.n. Placer Penryn, 0.75 NE on Sisley Road off of Taylor Road, 2 feet from road. Comment
  JEPS42836  Callitriche marginata W. L. Jepson 1938-4-5 18578 a Placer Sacramento to Auburn Comment
  SJSU8208  Callitriche palustris W. Savage 1968-8-2 563 Placer 200 yards E of L Van Norden Comment
  CAS-BOT-BC438817  Calochortus albus George K. Helmkamp; Mary Alice Barnes 2013-4-18 20358 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
  HSC95803  Calochortus albus Kevin Thomas 2004-4-10 19 Placer Mt. Diablo Meridian, Newcastle Comment
  RSA263472  Calochortus albus R. C. Foster 1937-5-8 253 Placer In thicket between Penryn and Auburn on a short side road. Comment
  UCR90844  Calochortus coeruleus Kathy Harper, Dane Karr 1994-6-18 s.n. Placer Sierra Nevada Mtns., N side of Calif. Hwy 20 less than 10 mi west of I-80. 1555 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
  UCR191104  Calochortus leichtlinii George K. Helmkamp, E. A. Helmkamp 2007-6-12 12327 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  RSA21431  Calochortus luteus Carl B. Wolf 1937-5-12 8611 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  CAS-BOT-BC483463  Calochortus minimus Marcus E. Jones 1882-6-28 3300 Placer Emigrant Gap Comment
  POM260065  Calochortus monophyllus C. L. Hitchcock 1940-5-7 6311 Placer 1 mile west of Baxter Comment
  UCD164625  Calochortus monophyllus Brandi Sorensen 1995-6-1 18 Placer .73 kilometers northwest of Colfax. 671 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-BC493405  Calochortus monophyllus Georgia Bentley 1919-4-20 s.n. Placer At Auburn near river Comment
  RSA122212  Calochortus nudus N. H. French 1934-5-28 370 Placer 1.5 mile west of Black Mountain 1768 Comment
  UC3442  Calochortus nudus Mrs. M. M. Hardy 1893-1 Placer Comment
  POM260305  Calochortus superbus C. L. Hitchcock 1940-5-15 6409 Placer 6 miles N of Colfax Comment
  UC935701  Calycadenia multiglandulosa David D. Keck and J. Clausen 1932-7-1 1590 Placer 2 mi n of Auburn 426 Comment
  CAS-BOT-BC270644  Calycadenia multiglandulosa Rimo Bacigalupi; et al. 1952-7-19 3849 Placer About 1.5 miles N of (and below) Colfax on grade along road to Iowa Hill, N slope of the canyon of the N Fork of the American River Comment
  CAS-BOT-BC270650  Calycadenia multiglandulosa David D. Keck 1932-6-30 1588 Placer 0.3 mile N of Weimar P.O. 685 Comment
  UCD100347  Calyptridium monospermum Eric Brenner; John Hunter 1996-5-26 023 Placer Tahoe National Forest, Mosquito Ridge Rd. 1080 Comment
  UCR216033  Calyptridium monospermum George K. Helmkamp, Amy Barnes 2009-7-12 15187 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  UCR232231  Calyptridium monospermum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16645 Placer Northern Sierra Nevada Mountains, Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road 1567 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
  SBBG69695  Calyptridium umbellatum A. A. Heller 1927-8-16 14448 Placer near summit of Donner Pass Comment
  UC398651  Calyptridium umbellatum A. A. Heller 1927-8-16 14448 Placer above Donner Lake (summits of Sierra Nevada, near summit of Donner Pass); Sierra Nevada Comment
  UCD22154  Calyptridium umbellatum Rex Palmer 1979-6-19 N 238 Placer Headwaters basin area of the North Fork of the American River Comment
  UC148961  Calystegia malacophylla H. M. Hall 1910-7-4 8739 Placer Cisco Sierra Nevada Mountains, Cisco 1798 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
  UCD14647  Calystegia occidentalis subsp. occidentalis Deanna Lynn Pfleger 1989-5-20 4 Placer California, Placer Co.; 20 miles out of the town of Auburn, along Foresthill Road; 1036 Comment
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Jun 20 2014
  UCR232625  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, E. A. Helmkamp 2010-7-28 16643 Placer Northern Sierra Nevada Mountains, Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road 1567 Comment
  UCD150570  Camassia quamash subsp. breviflora James A. Neilson Jr. 1971-6-30 2131 Placer Tahoe Basin, Ward Valley Drainage, Plot #132. 1920 Comment
  JEPS59465  Camassia quamash subsp. breviflora Ezra Brainerd and Viola B. Baird Jun 26 1915-Jul 5 1915 202 Placer Deer Park; Sierra Nevada Mountains, Deer Park 1920 Comment
  CAS-BOT-BC267279  Campanula Mary P. Wells 1980-9-12 s.n. Placer Pioneer Way, Tahoe City Comment
  POM147895  Campanula prenanthoides J. B. Feudge 1927-7-18 1774 Placer Emigrant Gap. 1524 Comment
  POM59079  Campanula prenanthoides Allen M. Carpenter s.n. Placer Placer Co. Comment
  SEINET10463028  Campanula prenanthoides Raven 1956-8-4 Raven 9976 Placer Blue Canyon 1433 Comment
  SEINET10463035  Campanula prenanthoides F. A. MacFadden 1934-7-9 MacFadden 12733 Placer Emigrant Gap Comment
  SEINET10463082  Campanula prenanthoides Jones 1900-7-26 Jones s.n. Placer BLUE CANYON 4800 Comment
  SEINET10873262  Campanula prenanthoides Munns 1922-6-27 MUNNS 205 Placer Pilot Creek 1585 Comment
  SEINET10905905  Campanula prenanthoides Hardy 1893-1 HARDY s.n. Placer Comment
  CDA33661  Cardamine breweri Dale Woods 2010-7-21 Placer Southwest corner of Squaw Valley Road and Hwy 89, between area park/soccer field and road. Comment
  RSA0116209  Cardamine breweri Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  UCD41253  Cardamine californica Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1710 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 2.5 road miles from Main St. 1066 Comment
  UCR115057  Cardamine cordifolia G. Fred Hrusa, J. Glazner 1997-8-3 14059 Placer Corner of Hwy 89 and Squaw Valley Rd. 2020 Comment
  RSA794005  Cardamine pensylvanica George K. Helmkamp, E. A. Helmkamp 2012-2-23 18576 Placer Newcastle, along CA-193 (Newcastle Hwy), 0.1 mile southeast of its junction with Langs Hill Road, west of the junction with I-80, SW of Auburn 279 Comment
  CDA33871  Cardaria pubescens Robin Breckenridge 2010-10-29 PDR# 1313512 Placer Interstate 80 at Kingvale Chain Control. 0 Comment
  CDA36752  Carduus pycnocephalus D. B. Joley 1976-4-21 9 Placer Loomis; northwest of Sierra College Blvd. and Del Mar Ave. 0 Comment
  CAS-BOT-BC18345  Carex Peter H. Raven 1956-8-4 9984 Placer Sierra Nevada. Blue Canyon. 1432 Comment
  UCD43085  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 453 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44473  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1839 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC72892  Carex angustata L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5764 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CDA13691  Carex athrostachya G. F. Hrusa, J. Glazner 1997-8-3 14051 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Perennial on periphery of main meadow. Lightly shaded, probably seasonally moist areas. Comment
  CHSC74285  Carex athrostachya Susi Urie 1998-9-1 98 -177 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  CHSC74447  Carex athrostachya Susi Urie 1998-9-4 98 -257 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  UCD43227  Carex athrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 596 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS63540  Carex athrostachya W. L. Jepson 1931-6-17 15926 Placer Mink Harbor Lake Tahoe, Crystal Bay, Mink Harbor 1920 Comment
  CHSC85708  Carex brainerdii G. F. Hrusa; J. Glazner 1999-7-17 15184 a Placer Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CAS-BOT-BC34209  Carex canescens L. S. Smith 1927-8-11 2199 Placer Tahoe National Forest. Squaw Valley. 1889 Comment
  CAS-BOT-BC34448  Carex deflexa var. boottii Marcus E. Jones 1882-6-30 3307 Placer Emigrant Gap. Comment
  CAS-BOT-BC34936  Carex densa Alice Eastwood; John Thomas Howell 1937-5-8 4364 Placer Near Rocklin. Comment
  SEINET7556732 Image available Carex densa Alice Eastwood, John Thomas Howell 1937-5-8 4364 Placer Near Rocklin. Comment
  CDA15925  Carex douglasii G. F. Hrusa, J. Glazner 1999-7-17 15176 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. Open to +- closed Pinus jeffreyi, Artemisia tridentata, and Purshia tridentata grading into Abies concolor coniferous forest in vicinity. Short, open rhizomatous colony in dry area. Uncommon here. 1889 Comment
  CHSC85711  Carex douglasii G. F. Hrusa; J. Glazner 1999-7-17 15176 Placer Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD96978  Carex hassei Chuck Hughes 2010-7-13 240 Placer Eastern edge of Truckee River near northwest corner of intersection of Alpine Meadows Road and Highway 89. 1887 Comment
  CHSC73096  Carex hoodii L. P. Janeway 1998-8-6 5988 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CAS-BOT-BC7572  Carex integra Lewis S. Rose 1939-6-5 39216 Placer Bear Valley, near Emigrant Gap. 1371 Comment
  CHSC68058  Carex integra James D. Jokerst 1986-7-12 2692 B 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
  CHSC74290  Carex integra Susi Urie; Eric Schroder 1998-9-8 98 -294 Placer Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UCD140404  Carex integra Mrs. H. P. Kelley 1915-6-18 s.n. Placer Squaw Valley. Lake Tahoe Region. Comment
  CAS-BOT-BC35504  Carex jonesii L. S. Smith 1927-8-15 56764 Placer Castle Peak , Tahoe 2316 Comment
  UCD44676  Carex lenticularis var. impressa C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2042 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UC1133401  Carex luzulifolia L. S. Smith 1927-8-12 Placer Squaw Peak and Upper Basin 2438 Comment
  NY11289  Carex luzulifolia var. strobilantha A. A. Heller 1903-8-17 7187 Placer Above Donner Pass 2286.0 Comment
  UC827357  Carex luzulina var. luzulina Marcus E. Jones 1882-6-29 2907 Placer Emigrant Gap Comment
  UCD43382  Carex microptera C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 750 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCR257626  Carex multicostata George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19526 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-BC119849  Carex nebrascensis John H. Thomas; A. Thomas 1956-7-21 6175 Placer Sierra Nevada, vicinity of Donner Pass, ca 80 mi NE of Sacramento. 2377 Comment
  UCD75964  Carex nebrascensis Ellen Dean, M. Starbuck,; M. Bibbo, J. Poloske 2008-7-20 5238 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
  SD130931  Carex nebrascensis Peter Rubtzoff 1976-9-18 8847 Placer Sierra Nevada; Lake Van Norden; south side; lakeshore. 2063 Comment
  CAS-BOT-BC119587  Carex nudata Rimo Bacigalupi; George Ledyard Stebbins; Daniel Zohary; Juan Hector Hunziker; Alexander D. Hawkes; Friedrich Ehrendorfer; Howard C. Stutz 1952-7-19 3851 Placer Along N Fork of the American River, below Cape Horn sta. on the SP RR, 381 Comment
  CHSC74134  Carex pellita Susi Urie 1998-8-28 98 -143 Placer Lake Tahoe Basin Management Unit, National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC74293  Carex pellita Susi Urie 1998-8-29 98 -163 Placer Lake Tahoe Basin Management Unit, National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC74294  Carex pellita Susi Urie; Eric Schroder 1998-9-11 98 -346 Placer Lake Tahoe Basin Management Unit, National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  UCD43052  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 421 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43076  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 444 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43923  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1289 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SEINET7572177 Image available Carex praegracilis Alice Eastwood, John Thomas Howell 1937-5-8 4363 Placer Between Newcastle and Penryn. Comment
  CDA15952  Carex rossii G. F. Hrusa, J. Glazner 1999-7-17 15138 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SEINET7574996 Image available Carex scopulorum var. bracteosa Unknown 2003-8-24 7969 Placer Homewood 7.5' quad, Northern High Sierra Nevada. Just below the Pacific Crest Trail 2.1 km (air) north of Barker Pass, head of small drainage into North Fork Blackwood Creek. 2365 Comment
  UCD43189  Carex simulata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 558 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC836018  Carex straminiformis A. A. Heller 1917-8-14 12927 Placer s Summit valley; Mt. Lincoln 2499 Comment
  CAS-BOT-BC116554  Carex subfusca John Thomas Howell; Gordon H. True 1968-6-9 44517 Placer Alta. 1066 Comment
  CHSC85755  Carex subfusca G. F. Hrusa; J. Glazner 1999-7-17 15178 Placer Martis Valley. Off Hwy 267, s of Truckee. 1889 Comment
  JEPS63521  Carex subfusca W. L. Jepson 1934-8-7 16880 Placer bank of Truckee River near Squaw Valley; Truckee River Comment
  RSA35097  Carex subfusca L. S. Rose 1944-7-10 44042 Placer Quail Lake, 3 miles W of Chambers Lodge Lake Tahoe. 2134 Comment
  UC1729954  Carex subfusca L. P. Janeway, Eric Schroder 1998-9-16 6337 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
  UCD44705  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2071 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS74225  Carex subnigricans Gladys L. Smith 1972-8-25 3428 Placer along trail descending cirque, n-facing slope Granite Chief Granite Chief 2590 Comment
  CAS-BOT-BC115400  Carex utriculata Catherine Best 1981-8-1 s.n. Placer Big Meadow, ca 3 mi S of French Meadows 1600 Comment
  CHSC72896  Carex utriculata L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5763 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  UCD43787  Carex vesicaria C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1153 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC114932  Carex whitneyi Lewis Samuel Rose 1944-7-10 44051 Placer Chambers Lidge, Lake Tahoe. 1920 Comment
  RSA129423  Carex whitneyi N. H. French 1934-6-21 432 Placer Northwest end of Kid Lake. 2012 Comment
  UC830173  Carex whitneyi Alice Eastwood Jun 15 1912-Jun 19 1912 474 Placer Deer City Lake Tahoe Region Comment
  POM131973  Cassiope mertensiana subsp. californica C. F. Sonne 1897-8-14 s.n. Placer Mt. Anderson Comment
  SEINET12029476  Castanopsis chrysophylla C. F. Sonne 1884-1 s.n. Placer Comment
  SEINET12028244  Castanopsis sempervirens K. S. Erdman 1966-1 3541 Placer Along Interstate 80 near Emigrant Gap,Sierra Nevada Mtns 1524 Comment
  UCD40883  Castilleja affinis Sutton 1984-5-19 10 Placer Blue Canyon Road, off Hwy 80. 457 Comment
  CAS-BOT-BC249702  Castilleja applegatei subsp. pinetorum Alice Eastwood 1912-6-15 359 Placer Deer Park, Lake Tahoe Region Comment
  UC194176  Castilleja lineariloba C. F. Sonne 1891-5-17 Placer Auburn Comment
  RSA448749  Castilleja miniata Bonnie C. Templeton 1931-7-5 1509 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UC174625  Castilleja miniata A. A. Heller 1909-7-16 9850 Placer Summit 2133 Comment
  UC198559  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UCD162576  Castilleja miniata subsp. miniata Steve Matson 1998-7-28 358 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork bog. 1920 Comment
  UCD44562  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1928 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44686  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2052 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  SEINET14151850  Castilleja nana M. J. Williams 1985-7-13 85- 62 -1 Placer Sierra Nevada, near summit of old Donner Highway, near the beginning of the Pacific Crest Trail. 2152 Comment
  UC103492  Castilleja nana C. F. Sonne Jun 1897 Placer above Summit; Sierra Nevada Mountains Comment
  UCR110978  Castilleja parviflora George K. Helmkamp, E. A. Helmkamp 1999-6-30 5096 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  JEPS73662  Castilleja pruinosa L. R. Heckard with G. L. Stebbins 1973-6-18 3451 Placer about 0.5 mi e Star Town (on s side of North Fork of Middle Fork of American River, about 13 air mi ne of Foresthill) 1432 Comment
  OBI9365  Castilleja tenuis Robert F. Hoover 1967-9-5 10841 Placer Carnelian bay, Lake Tahoe Comment
  UCD21601  Castilleja tenuis E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1266 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
  JEPS4524  Castilleja tenuis Rimo Bacigalupi and L. R. Heckard 1951-8-9 3490 Placer 2 mi s Tahoe Pines (near shore of Lake Tahoe) 1900 Comment
  UCR228705  Ceanothus William Williams 1986-6-15 s.n. Placer Norden, hill at top of ski lift Comment
  CAS-BOT-BC47851  Ceanothus cordulatus John H. and Hazelle A. Thomas 1956-7-21 6197 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CAS-BOT-BC47900  Ceanothus cordulatus H. E. McMinn 1926-5-29 1752 -B Placer At Crystal Lake - slope above - road to Truckee 3 mi west of Cisco Hotel Comment
  CAS-BOT-BC48711  Ceanothus cordulatus Elizabeth Parsons Hawver s.n. Placer Lake Tahoe Region Comment
  CAS-BOT-BC48715  Ceanothus cordulatus J. Moffitt 1934-6-12 101 Placer Lambert's Spring, Lake Tahoe Comment
  POM263653  Ceanothus cordulatus Lewis S. Ross 1941-7-14 41315 Placer Chambers lodge (McKinney), Lake Tahoe. Comment
  UCD112096  Ceanothus cuneatus var. cuneatus Daniel I. Axelrod 1983-9-18 E- 4 Placer just south of Nevada/Placer County border, by roadside on upper south slope of low ridge. 50 feet from summit, 100 yards SSE from top of Soda Springs ski lift (now abandoned.) Comment
  RSA399911  Ceanothus integerrimus Wm. Martin 1977-9-10 20277 Placer 2 miles S of Ranger Station, Blue Canyon Creek, Tahoe National Forest. Comment
  RSA399912  Ceanothus integerrimus W. Hutchinson 1927-6-1 3542 Placer Lake Tahoe. Comment
  SACT002929  Ceanothus integerrimus Michael Baad 1983-4-17 Placer South side of North Fork of American River on Ponderosa Road. 6 miles south of I80, north-facing slope. Shaded Comment
  UC18350  Ceanothus integerrimus Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD22197  Ceanothus integerrimus Beth Lowe Corbin 1982-8-2 160 Placer Onion Creek Campground. S facing slope. Infrequent. Mostly sun. Opening in mixed conifer forest on fine, sandy, granitic soil. Deciduous shrub about 2 ft tall, with white flowers. 1841 Comment
  UCR215980  Ceanothus integerrimus George K. Helmkamp, Amy Barnes 2009-7-12 15184 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  RSA258880  Ceanothus integerrimus var. californicus Thomas W. Nelson, Jane P. Nelson 1974-6-17 1360 Placer Beside Hwy 80 at its jct with Blue Canyon Road, 9 miles W of the Placer - Nevada County line. Comment
  CAS-BOT-BC51040  Ceanothus integerrimus var. macrothyrsus G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  CDA14273  Ceanothus integerrimus var. macrothyrsus F. G. Andrews, T. Eichlin 1998-6-12 s.n. Placer Sierra Nevada; 6.5 mi. NE of Foresthill on Mosquito Ridge. 1304 Comment
  CAS-BOT-BC51153  Ceanothus lemmonii J. Walker 1941-5-11 105 Placer 35 miles past Auburn on Highway 40 on road to Lake Tahoe Comment
  UC870591  Ceanothus lemmonii C. L. Hitchcock 1940-5-7 6327 Placer ca 1 mi w Baxter Comment
  UCSB24043  Ceanothus lemmonii McMinn, H. 1931-6-26 Placer 8 mi. S of Grass Valley Comment
  CAS-BOT-BC63359  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63394  Ceanothus prostratus Brandegee 1889-1-1 76 Placer Blue Canyon. Comment
  CAS-BOT-BC63397  Ceanothus prostratus C. L. Hitchcock 1940-5-7 6330 Placer Ca. 1 mi. w. of Baxter. Comment
  OBI10314  Ceanothus prostratus H. E. McMinn, G. Townsley 1941-8-23 5368 Placer 1/8 mi N of Monte Vista on road to Dutch Flat in old orchard Comment
  UC1071287  Ceanothus prostratus N. French 1934-6-22 471 Placer 1/2 mi w Lake Van Norden; Tahoe National Forest, Truckee Quad. Comment
  UC870635  Ceanothus prostratus C. L. Hitchcock 1940-5-7 6330 Placer ca 1 mi w Baxter; w of Baxter Comment
  RSA95357  Ceanothus tomentosus Hamilton Peers 1933-5-12 s.n. Placer Colfax Comment
  CAS-BOT-BC52883  Ceanothus tomentosus var. tomentosus H. E. McMinn 1926-5-29 1708 Placer 10.6 mi. west of Crystal Springs Comment
  UC1071486  Ceanothus velutinus R. Wilson 1934-9-19 75 Placer Squaw Creek Tahoe National Forest, Truckee Quadrangle, Squaw Creek Comment
  UCD112784  Ceanothus velutinus Rex Palmer 1979-5-26 N 5 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  CDA17968  Centaurea maculosa K. Connolly 1999-10-8 PDR 1222845 Placer Sierra Nevada; E side Hwy. 89 at Alpine Meadows Rd. in Tahoe City. 0 Comment
  UCR209721  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 1564 Comment
  UC1119120  Centaurea melitensis C. R. Clar 1933-5-5 114 Placer e of Newcastle; Sacramento 182 Comment
  HSC5245  Centaurea melitensis Paul Shields 1956-6-5 Placer 1 mile NE Auburn Comment
  CDA43048  Centaurea stoebe subsp. australis Preston Neufeld 2014-8-28 PDR# 310 P06130020 Placer French Meadows Road, north-northeast of Goggins, near junction of dirt road that runs to Chipmunk Ridge along Chipmunk Creek. Comment
  UCD20192  Centaurea stoebe subsp. micranthos A. M. Shapiro 2001-8-1 s.n. Placer Dutch Flat Powerhouse Road. 914 Comment
  UCR233185B  Centaurium muehlenbergii George K. Helmkamp, E. A. Helmkamp 2011-7-9 17672 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  CAS-BOT-BC288622  Centromadia fitchii John Thomas Howell 1929-10-4 4428 Placer On road to Colfax 1.5 miles from Auburn Comment
  CHSC67848  Centunculus minimus James D. Jokerst 1986-4-14 2624 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. In vernal pools in annual grassland with mima mounds. Comment
  SEINET7347768  Cercis canadensis H. R. Holbo 1961-3-31 s.n. Placer West fork of the American River 914 Comment
  UC1035483  Chaenactis douglasii var. douglasii Kay H. Beach 1940-6-30 813 Placer 5.6 mi e Emigrant Gap (on US 40); Sierra Nevada Mountains 1676 Comment
  UC1119686  Chaenactis douglasii var. douglasii H. S. Yates 1934-6-29 3891 Placer near Bijou; El Dorado National Forest, Markleeville 1920 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
  UCD19685  Chaenactis douglasii var. douglasii Donald W. Kyhos 1967-9-3 67 -90 Placer On Hwy 89, 2.3 miles south of Hwy. 80 on a bank just west of Hwy. 89. Comment
  RSA122278  Chamaebatia foliolosa G. T. Nordstrom 1934-6-20 126 Placer At Mammoth Springs. 1677 Comment
  RSA25255  Chamaebatia foliolosa C. Leo Hitchcock 1940-5-7 6323 Placer 1 mile west of Baxter. Comment
  POM90077  Chamaebatia foliolosa I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  UCD33725  Chamerion angustifolium Beecher Crampton 1972-7-26 8830 Placer Ca. 3 miles east of Baxter on Hwy. 80 E. 1524 Comment
  UCD103665  Chamerion angustifolium subsp. circumvagum G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12641 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-BC70191  Cheilanthes gracillima John H. Thomas; Hazelle A. Thomas 1956-7-21 6224 Placer Sierra Nevada, Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CHSC32988  Cheilanthes gracillima Paula J. Minton 1980-4-5 1 Placer 1/2 mi n of North Fork Dam of the North Fork of the American River, Auburn. 472 Comment
  CDA39019  Chenopodium ambrosioides D. G. Kelch 2011-10-2 11 .813 Placer Gold Run rest stop. 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
  CAS-BOT-BC451417  Chimaphila menziesii Belle R. Jackson 1927-6-1 s.n. Placer Dutch Flat Comment
  UCD15605  Chimaphila umbellata Lisa Montany 1985-5-18 22 Placer Mosquito Ridge Rd, 21.8 miles west of Forest Hill Rd. Comment
  CAS-BOT-BC451472  Chimaphila umbellata W. W. Price 1892-7-1 s.n. Placer Red Point 1371 Comment
  CHSC97002  Chondrilla juncea L. P. Janeway 2007-7-8 9106 Placer Northern Sierra Nevada Foothills. Along Hwy 49/193 2.2 road km east of Auburn, between Auburn and North Fork American River. Plants scattered along the edges of the road from Georgetown to Cool to Auburn to Lincoln. 293 Comment
  CAS-BOT-BC279799  Chondrilla juncea John Thomas Howell; Gordon H. True 1967-6-14 42594 Placer 1 mile ne. of Loomis 121 Comment
  CAS-BOT-BC279802  Chondrilla juncea T. C. Fuller 1965-10-15 14209 Placer E. side of Interstate 80 to Auburn just s. of Penryn overpass, Penryn, Sierra Nevada 182 Comment
  UCD21705  Chrysopsis breweri Rex Palmer Date Unknown N 891 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET7451074 Image available Cirsium andersonii P. A. Lehenbauer 1933-8-6 3177 Placer Lake Tahoe near Homewood Comment
  UCD130541  Cirsium arvense T. C. Fuller 1964-5-18 11980 Placer west side of Dutch Flat Hwy, 0.8 mile south of Dutch Flat P.O. Comment
  SD234291  Cirsium occidentale var. californicum G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12200 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp. 963 Comment
  CHSC40963  Cirsium occidentale var. venustum J. D. Jokerst 1984-6-1 2056 Placer North of Long Canyon Cr. NE of Ramesy Crossing. Comment
  SEINET7836840 Image available Cirsium scariosum A. A. Heller, P. B. Kennedy 1907-7-3 8692 Placer Red Clover Valley Comment
  CAS-BOT-BC439026  Cistanthe monosperma A. A. Heller 1917-6-19 12740 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC439028  Cistanthe monosperma Miss. H. A. Walker 1908-6-23 1207 Placer Blue Canon [Canyon] Station, in the Sierra Nevada 1470 Comment
  CAS-BOT-BC228886  Cistanthe umbellata A. A. Heller 1917-8-13 12912 Placer Ridge northwest of Donner Pass 2346 Comment
  CAS-BOT-BC228888  Cistanthe umbellata Mrs. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region Comment
  CAS-BOT-BC228892  Cistanthe umbellata E. R. Blakley 1960-9-4 3823 Placer Hill one mile north of Carnelian Bay, Lake Tahoe 2072 Comment
  UCR208555  Clarkia affinis George K. Helmkamp, E. A. Helmkamp 2009-5-11 14670 Placer Sierra Nevada Mountains Foothills, Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn 517 Comment
  UC567140  Clarkia biloba C. R. Clar 1933-5-6 115 Placer near Newcastle; Smartsville Quadrangle 182 Comment
  UC930775  Clarkia biloba Marcus E. Jones, A. M. 1882-7-3 3340 Placer Colfax Comment
  CAS-BOT-BC163589  Clarkia biloba subsp. biloba H. L. Mason 1926-5-28 3270 Placer Five miles above Auburn Comment
  UCD104352  Clarkia biloba subsp. brandegeeae K. O'Keefe 1995-6-4 s.n. Placer East edge of Old Forest Road, 2 miles from Forest Hill Road. Western Sierra foothills, NE of Auburn. 450 Comment
  UCD13164  Clarkia biloba subsp. brandegeeae Barbara Yungert 1973-5-27 93 Placer Forest Hill Rd., 2 miles E of junction with Hwy 49. Comment
  CHSC1106  Clarkia purpurea V. Holt 1942-6-12 Placer Near Lincoln. 30 Comment
  CAS-BOT-BC163364  Clarkia purpurea subsp. purpurea Carl B. Wolf 1937-5-12 8613 Placer Sacramento Valley, 1 mi. No. of Lincoln 45 Comment
  CAS-BOT-BC162495  Clarkia purpurea subsp. purpurea H. M. Hall 1917-5-9 10291 Placer Sacramento Valley, just above Lincoln Comment
  UC217471  Clarkia purpurea subsp. purpurea H. M. Hall 1917-3-9 10291 Placer just above Lincoln; Sacramento Valley Comment
  UCSB4300  Clarkia purpurea subsp. quadrivulnera Constance, Lincoln 1941-5-28 Placer Two miles north of Lincoln; Sacramento Valley 60 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
  POM46428  Clarkia rhomboidea Marcus E. Jones 1882-6-30 2719 Placer Emigrant Gap. Comment
  UC423052  Clarkia unguiculata David D. Keck 1928-6-12 420 Placer Auburn 304 Comment
  CAS-BOT-BC451728  Claytonia lanceolata Dr. A. Kellogg 1870-6-23 s.n. Placer Cisco Comment
  CAS-BOT-BC229138  Claytonia parviflora subsp. grandiflora Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4013 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  UC942756  Claytonia perfoliata subsp. perfoliata Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4014 Placer s of Auburn (near bridge on Route 49); North Fork American River 213 Comment
  CAS-BOT-BC443634  Claytonia perfoliata subsp. perfoliata Saichi Kawahara 1969-7-6 883 Placer Just north of cabin, Mel Henderson Ranch, east bank of Indian Creek. 999 Comment
  SCFS5106  Claytonia rubra F. Felix, Erica Krimmel 2013-5-19 3 Placer North Fork American River, 0.1 mile east of Heath Falls overlook, on trail Comment
  CAS-BOT-BC91456  Clematis lasiantha Annetta Carter 1937-4-25 1248 Placer Between Folsom and Auburn, 6.5 miles southeast of Loomis. 152 Comment
  SEINET3159399  Collinsia G. B. Grant 1906-1 6949 Placer about Lake Tahoe 2438 Comment
  CDA12427  Collinsia parviflora G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8556 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCD162572  Collinsia parviflora Steve Matson 1998-6-23 236 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; middle fork at big pine meadow. 1920 Comment
  UCD21865  Collinsia parviflora Rex Palmer 1979-6-20 N 344 Placer Headwaters basin area of the North Fork of the American River Comment
  POM260419  Collinsia sparsiflora C. Leo Hitchcock 1940-5-14 6396 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UC26646  Collinsia sparsiflora var. collina H. N. Bolander 1865-4-10 4507 Placer Auburn Comment
  UCD123537  Collinsia tinctoria G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10713 Placer Northern Sierra Nevada Mountains foothills. 0.2 mile N of the Forest Hill Road on unnamed road to Lake Clementine (general area northeast of Auburn on Forest Hill Divide). 487 Comment
  UCR218242  Collinsia tinctoria George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16430 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
  UC885605  Collinsia torreyi var. torreyi Alice Eastwood Jun 15 1912-Jun 19 1912 487 Placer Lake Tahoe Region, Deer Park Deer Park; Lake Tahoe Region, Deer Park Comment
  UCD21866  Collinsia torreyi var. wrightii Rex Palmer 1979-6-19 N 211 Placer Headwaters basin area of the North Fork of the American River Comment
  POM146292  Collomia grandiflora J. B. Feudge 1927-7-18 1741 Placer Emigrant Gap. 1524 Comment
  UCR218223  Collomia grandiflora George K. Helmkamp, E. A. Helmkamp 2010-6-26 16386 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  CDA11992  Collomia heterophylla G. F. Hrusa 1995-5-2 12173 Placer Sierra Nevada; 1 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  SD248473  Collomia heterophylla George K. Helmkamp, Mary Alice Barnes 2013-5-3 20473 Placer Foothills, Northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road (Forest Hill 7.5'Q) 961 Comment
  UC1123648  Collomia heterophylla N. French 1934-6-15 413 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle 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
  JEPS71047  Collomia heterophylla L. S. Smith 1925-6-4 1622 Placer Forest Hill Tahoe National Forest 762 Comment
  RSA262365  Collomia heterophylla J. M. Tucker 1975-5-24 4351 Placer ca. 100 yards east of junction of Spring Garden Road with Auburn-Foresthill Road (or 3.7 miles west of Foresthill) 762 Comment
  SEINET3696231 Image available Collomia heterophylla F. A. MacFadden 1934-7-1 12724 Placer Canyen Creek, Dutch Flat. Comment
  UCD43075  Collomia linearis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 443 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD13352  Convolvulus arvensis M. Winthrop 1989-6-3 2 Placer Placer Co.;:Dry creek exit off 80. T 12N, R 8E, Sect. 16, SW 1/4. Elev. 1200 ft. 365 Comment
  UC72223  Corallorhiza maculata W. A. Setchell, C. C. Dobie Jul 6 1901-Jul 21 1901 Placer Cascade Mts. Vicinity of Lake Tahoe 1897 Comment
  UCD22065  Corallorhiza maculata Beth Lowe Corbin 1982-8-10 294 Placer 3/4 mile WSW of Onion Creek Campground. SE facing slope, 10% incline. Mostly shade. Uncommon. In deep duff of white fir forest. Plant reddish purple. Flower upper petal yellowish, lower white with red spots. 2023 Comment
  SEINET6166293  Corallorhiza maculata P. Lehenbauer 1933-8-6 s.n. Placer Near Homewood [West side Lake Tahoe] Comment
  JEPS60484  Cordylanthus pilosus subsp. hansenii T. I. Chuang and L. R. Heckard 1969-8-20 6733 Placer n side of city limit Auburn (on Hwy 49) Comment
  UCD123119  Cordylanthus tenuis P. Rodriguez-Rojo; D. Sanchez-Mata 1997-8-8 Placer Tahoe National Forest. Todd Valley-Forest Hill. Forest Hill Rd. 850 Comment
  JEPS6795  Cordylanthus tenuis subsp. tenuis W. L. Jepson 1918-8-20 8075 Placer Lake Tahoe Tahoe City 1905 Comment
  LA83022  Cordylanthus tenuis subsp. tenuis O. H. Kappler; 1946-7-18 1313 Placer Homewood, Lake Tahoe 1920 Comment
  UCD21874  Cordylanthus tenuis subsp. tenuis Rex Palmer 1979-7-13 N 665 Placer Headwaters Basin Area of the North Fork of the American River. Comment
  UCR209743  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2009-8-12 15424 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  POM362038  Corethrogyne filaginifolia B. C. Templeton 1931-7-4 1526 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  POM146205  Cornus californica J. B. Feudge 1725 Placer W. of Immigrant Gap. 1524 Comment
  CAS-BOT-BC209870  Cornus nuttallii G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  SBBG5320  Cornus nuttallii J. A. Riegel 1954-5-22 48 Placer 5 mi S of Iowa Hill 1371 Comment
  UCD14938  Cornus nuttallii Barbara Babbe 1977-5-30 33 Placer California, Placer Co.; 19.3 miles east of Forest Hill on Mosquito Ridge Road; Comment
  UCD126447  Cornus sericea Rebecca Niell 1999-7-7 99- 4 Placer near Truckee River, north of Taho City on Rt. 89, near turnoff to Alpine Meadows Ski area. 1880 Comment
  SBBG8909  Cornus sericea subsp. sericea E. R. Blakley 1960-9-4 3825 Placer hill 1 mi N of Carnelian Bay, Lake Tahoe 2072 Comment
  CDA39023  Coronilla varia D. G. Kelch 2011-10-3 11 .818 Placer Tahoe City. Granlibakken Resort. Comment
  UC9955  Corydalis caseana subsp. caseana C. F. Sonne June 1887 Placer ravine on Truckee R. Truckee R. Comment
  CDA7466  Cosmos bipinnatus T. C. Fuller 1962-9-2 9625 Placer Highway 40 to Donner Summit, 2.6 miles east of Blue Canyon Road. 0 Comment
  JEPS126418  Crepis capillaris Steve Matson 2002-7-5 558 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; on north side of pond near Highway 28. Comment
  CAS-BOT-BC291525  Crepis intermedia Alice Eastwood 1909-1-1 57 Placer Sunnyside, Lake Tahoe Region Comment
  JEPS111248  Crepis occidentalis Steve Matson 2005-6-11 1260 Placer Martis Valley, ca 3 miles southeast of Truckee, Martis Creek Lake National Recreatin Area; W of Parking Area; 39.3008 N, 120.1361 W; Elevation 5850 ft. 1783 Comment
  UC895340  Crepis occidentalis Alice Eastwood Jun 15 1912-Jun 19 1912 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
  UCD43032  Cryptantha C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 401 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET2470946  Cryptantha affinis K. Christie 2010-7-8 1887 Placer Lake Tahoe Basin Management Unit (USFS); along FR 16N73 ca. 1.25 mi. west of Tahoe City. 2103 Comment
  UC572583  Cryptantha affinis G. T. Nordstrom 1934-6-19 110 Placer 0.5 mi ne mouth of Monumental Creek; Tahoe National Forest 1371 Comment
  RSA755334  Cryptantha flaccida George K. Helmkamp, E. Helmkamp 2009-4-22 14561 Placer Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  UCR207860  Cryptantha flaccida George K. Helmkamp, E. A. Helmkamp 2009-4-22 14561 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  UCD37226  Cryptantha torreyana Beecher Crampton 1958-6-24 4969 Placer Placer County, 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  SCFS1154  Cuscuta E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #2. Comment
  POM65967  Cuscuta californica Katherine Brandegee 1917-08 s.n. Placer Cisco Comment
  UC879491  Cuscuta californica P. A. Lebenbauer 1934-7-8 Placer Cisco 2133 Comment
  UCD162525  Cusickiella douglasii Steve Matson 2009-5-9 2202 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, north of Martis Creek; about 1 kilometer NW of Parking area. 1780 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
  UCD32974  Cynodon dactylon Beecher Crampton 1965-9-13 7493 Placer Placer County, Gold Run, Interstate Hwy. 80. 975 Comment
  UCR253813  Cynodon dactylon George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20102 Placer Sacramento Valley, north of William Lane on an unnamed levee road to Markham Ravine 35 Comment
  RSA537487  Cynoglossum grande Barbara Ertter, David M. Thompson 1989-4-9 8176 Placer Shirttail Canyon Road 2.4 miles from Dipper Road, ca 5 air miles NW of Foresthill. 610 Comment
  SACT000849  Cynosurus echinatus D. Meyer 1983-7-24 Placer Moist shady roadside. 1036.32 Comment
  RSA92359  Cyperus niger var. capitatus Beecher Crampton 1953-11-4 1734 Placer Along an irrigation canal, Sunnybrook Hereford Farm, 2 miles north of Lincoln Comment
  CDA15976  Cyperus squarrosus G. F. Hrusa, J. Glazner 1999-7-17 15172 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  POM281768  Cystopteris fragilis W. W. Eggleston 1927-8-12 21628 Placer Ward s Creek, base of Twin Peaks Tahoe Forest 2100 Comment
  UC816883  Dactylis glomerata Marcus E. Jones, A. M. Jun 1882 3283 Placer Emigrant Gap Comment
  UCR173269  Dactylis glomerata George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10432 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  CAS-BOT-BC445491  Damasonium californicum Carl B. Wolf 1937-5-12 8625 Placer Sacramento Valley, 1 mi. No. of Lincoln. 45 Comment
  RSA21165  Damasonium californicum Carl B. Wolf 1937-6-11 8774 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  SACT000887  Danthonia californica D. Meyer 1983-7-24 Placer Moist, shady roadside. 1036.32 Comment
  CHSC74038  Danthonia californica var. americana Susi Urie 1998-8-26 98 -105 Placer Lake Tahoe Basin-National Forest. Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CHSC74155  Danthonia californica var. americana Susi Urie 1998-8-17 98 -047 Placer Lake Tahoe Basin-National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCD60963  Danthonia californica var. americana August L. Hormay 1932-7-7 s. n. Placer Upper Truckee River. Comment
  UCD61002  Danthonia californica var. americana Mrs. H. P. Kelley 1916-7-15 Placer Fallen Leaf Lake, Tahoe. Comment
  CAS-BOT-BC194417  Danthonia intermedia Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows - Sierra Nevada 1600 Comment
  UCD61345  Danthonia unispicata F. M. Reed; R. L. Pendleton 1907-7-23 1593 Placer Lake Tahoe Region, Grass Lake Trail, Glen Alpine. 2194 Comment
Read comments
Sep 4 2010
  UCD102615  Darmera peltata A. S. Crafts 1926-5-1 803 Placer American River Canyon Comment
  UCR249604  Daucus carota George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20825 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  SEINET11111226  Daucus carota A. Ashton 1971-10-9 s.n. Placer E side of Auburn. 305 Comment
  CHSC67691  Delphinium depauperatum James D. Jokerst 1986-7-13 2738 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, above Ted Beedy's 'El Cap' on trail. Comment
  POM270666  Delphinium depauperatum Lyman Benson 1942-7-2 11255 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCR120243  Delphinium depauperatum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5024 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UC188661  Delphinium glaucum C. F. Sonne 1886-8-15 b Placer canyon above Kneeland's Mill Comment
  UCD95711  Delphinium glaucum Murray Fowler 1961-8-8 s.n. Placer French Meadow, ca. 14 miles west of Tahoe Pines. 2133 Comment
  CAS-BOT-BC8859  Delphinium glaucum Charles Frederick Sonne 1886-8-8 333 Placer along Mount Shears, S.N. Mts Above Coldshawn Comment
  CAS-BOT-BC8860  Delphinium glaucum Charles Frederick Sonne 1896-8-16 s.n. Placer Canyon near Truckee Comment
  CAS-BOT-BC8779  Delphinium gracilentum L. S. Smith 1925-6-3 1619 Placer Below Yankee Jim, Forest Hill Divide Tahoe National Forest 762 Comment
  UCD95774  Delphinium hansenii H. Lewis; C. Epling 1941-5-24 s.n. Placer Auburn. Comment
  CAS-BOT-BC177350  Delphinium nuttallianum G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12060 Placer Northern Sierra Nevada Mountains: Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  UC854105  Delphinium nuttallianum Lewis S. Rose 1939-6-5 39214 Placer meadow near Emigrant Gap; Bear Valley 1371 Comment
  UC854218  Delphinium nuttallianum A. A. Heller 1917-6-17 12700 Placer near river below Cisco; Yuba river 1676 Comment
  UCD75695  Delphinium nuttallianum Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5144 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
  UCD75696  Delphinium nuttallianum Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5145 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
  UCD96118  Delphinium nuttallianum A. A. Heller 1917-6-17 12700 Placer Near the Yuba river below Cisco. Comment
  CAS-BOT-BC116087  Delphinium nuttallianum Lewis Samuel Rose 1944-7-16 44131 Placer Miller Lake, 5 mi. W of Chambers Lodge, Lake Tahoe 2133 Comment
  CAS-BOT-BC116093  Delphinium nuttallianum Charles von Geldern 1912-5-1 S.N. Placer American river Comment
  UCD96745  Delphinium variegatum M. Vincent 1965-4-16 645 Placer 4 miles south of Marysville. Comment
  SEINET268904  Delphinium variegatum K. L. Chambers, C. L. Carlbom 1962-4-22 2128 Placer Hwy. 65 between Roseville and Lincoln 1.4 mi north of the railroad overpass north of Roseville. Comment
  SEINET5338168  Delphinium variegatum D. H. Erskine 1941-4-27 27 Placer 2 miles east of Roseville. 76 Comment
  POM149389  Dendromecon rigida Katherine Brandegee 1908-06 s.n. Placer Magra Station between Cape Horn and Alta. 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
  SACT000912  Deschampsia danthonioides Michael Baad 1983-7-1 Placer Road east of Lake Putt from Blue Canyon exit at I80. 1615.44 Comment
  CAS-BOT-BC201881  Deschampsia elongata L. S. Smith 1939-7-1 s.n. Placer Ice Lake, route to Soda Springs. Tahoe National Forest Comment
  CHSC73367  Deschampsia elongata L. P. Janeway; Eric Schroder 1998-9-16 6339 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
  SACT000954  Deschampsia elongata D. Meyer 1983-8-20 Placer From road to summit off trail at first lake. Steep rocky trail with moist meadow areas. 2000.0 Comment
  SACT000960  Deschampsia elongata D. Meyer 1984-6-23 Placer 17.12 km from I80 Frontage Road, dry roadside. 978.0 Comment
  SDSU994  Deschampsia elongata D. F. Howe 1978-7-15 5076 Placer Route 20, 29 miles west of Truckee 1646 Comment
  UCR249597  Deschampsia elongata George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20821 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  CAS-BOT-BC39744  Descurainia californica Margaret Williams 1974-8-8 74 -P1-19 Placer Sierra Nevada. Murphy's Meadow, 5 miles southeast of Hirschdale. 2316 Comment
  UCD42923  Descurainia pinnata subsp. intermedia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 291 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  RSA755333  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2009-4-22 14568 Placer town of Foresthill, along Forest Hill Road 988 Comment
  UCD95493  Dicentra formosa subsp. formosa Amelie Blyth 1952-5-11 9- 7 Placer 4 miles W of Iowa Hill, on road from Colfax. 609 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
  CDA19540  Dichelostemma capitatum M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 238 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
  UCD166866  Dichelostemma capitatum Robert E. Preston 2016-3-31 3049 Placer Yankee Slough Preserve, 2.35 mi SSW of Sheridan. 34 Comment
  UCR218134  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16384 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  SEINET8472275  Dichelostemma capitatum subsp. capitatum W. D. Billings 1939-3-19 1196 Placer 7 miles NW of Auburn. 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
  SEINET8475403  Dichelostemma capitatum subsp. capitatum L. Munker 1962-1 49 Placer Hwy 40, 10 miles W of Auburn. 396 Comment
  SEINET8476701  Dichelostemma capitatum subsp. pauciflorum F. Martin 1962-1 72 Placer 2 miles E of Auburn, North Fork of American River. 274 Comment
  POM109908  Dichelostemma multiflorum Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  UCR198564  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2008-4-17 13293 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 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
  UCR257101  Dichelostemma volubile George K. Helmkamp, Amy Barnes 2014-4-23 22785 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  CAS-BOT-BC502803  Dichelostemma volubile Eliz. Parsons Hawver 1915-5-1 s.n. Placer Auburn Comment
  CHSC37352  Diplacus kelloggii Michael P. Crivello 1979-4-11 Placer 2.5 mi nne Auburn at confluence of North and Middle forks of the Americal River. 274 Comment
  CHSC40948  Diplacus kelloggii J. D. Jokerst 1984-6-20 2061 A Placer North of the Rubicon River and east of Big Grizzly Cr. where it turns to south and meets the Rubicon. 792 Comment
  SBBG37922  Diplacus layneae C. L. Hitchcock 1940-5-15 6406 Placer 6 mi N of Colfax Comment
  CAS-BOT-BC151672  Diplacus torreyi Miss. M. E. B. Norton 1911-7-1 s.n. Placer Deer Park Springs - Sierra Nevada 1981 Comment
  CAS-BOT-BC151682  Diplacus torreyi Rimo Bacigalupi; Alex Hawkes; Juan Hunziker; G. L. Stebbins; Daniel Zohary; Howard Stutz; Friedrich Ehrendorfer 1952-7-19 3862 Placer Near site of Monona Flat, on ridge between Indian Creek and North Fork of the American River, about 2 1/2 miles est of Iowa Hill 990 Comment
  SACT000990  Distichlis spicata var. nana Josephine Van Ess 1976-8-18 Placer Collected in vicinity of salt spring on Ferarria ranch. Salt Marsh. Comment
  UCD78101  Dittrichia graveolens Robert E. Preston 2005-11-9 2368 Placer Between Roseville and Lincoln, at jct Sunset Blvd and Placer Corp Dr. 41 Comment
  LA83368  Dodecatheon alpinum O. H. Kappler; 1946-7-18 sn Placer Homewood, W shore, Lake Tahoe 1920 Comment
  UCD43336  Dodecatheon alpinum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 704 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET8561476  Dodecatheon clevelandii subsp. patulum A. E. Beninghoff 1930-3-18 2587 Placer 7 miles E of Lincoln. Comment
  SEINET8561719  Dodecatheon hansenii M. J. Demorest 1962-3-15 s.n. Placer Junction of the N and Middle Forks of the American River, 4 miles from Auburn, above dirt road on hillside. 274 Comment
  UCR198045  Dodecatheon hendersonii Phyllis Adams 1982-4-20 10 Placer American River Canyon near the town of Auburn 396 Comment
  SEINET8561789  Dodecatheon hendersonii J. Martin 1959-3-20 s.n. Placer 5 miles W of Colfax on Hwy 40, then 2 miles N on a secondary road, off E side of road. 366 Comment
  SEINET8561854  Dodecatheon hendersonii H. E. Hodge 1956-3-18 3 Placer Off of US Hwy 40, ca 7 miles NW of Colfax. 617 Comment
  SBBG29783  Downingia bicornuta L. Constance 1941-5-28 2823 Placer 2 mi N of Lincoln 60 Comment
  SFV8424  Downingia bicornuta D. B. Marcum 1969-4-26 68 Placer Sierra Nevada End of Road 5005. 12 Comment
  CHSC84568  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. In bed of vernal pool. 39 Comment
  JEPS103658  Downingia bicornuta var. picta Lisa Schultheis 1995-5-22 167 -95 Placer On the MacClelland Air Force Base Lincoln antennae site. W of Lincoln, on Moore Road between Dowd and Brewer Roads Comment
  JEPS126369  Downingia montana Steve Matson 2003-6-29 816 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards north of Highway 267; 200 yards west of Martis Creek. Comment
  UCD42843  Draba albertina C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 209 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC41960  Draba albertina C. F. Sonne 1885-7-12 12 Placer Sierra Nevada Mountains. Above Coldstream. 2438 Comment
  UC117690  Draba novolympica C. F. Sonne July 1892 Placer Tinker's Knob Sierra Nevada, Tinker's Knob 2743 Comment
  UC567172  Drymocallis glandulosa var. glandulosa N. French 1934-5-31 390 Placer one mi se Texas Hill; Colfax Quadrangle Comment
  SEINET6691916  Drymocallis lactea var. lactea P. Lehenbauer 1932-6-26 s.n. Placer At origin of Truckee River, south side of Tahoe City Comment
  UCD101889  Dudleya cymosa Gurdev S. Khush 1959-5-10 16 Placer 1.5 miles northeast of Clipper Gap, U.S. Highway 40. 426 Comment
  UCSC000350  Dudleya cymosa W. W. Mackie 1904-5-4 s.n. Placer near Newcastle Comment
  UCR173261  Dudleya cymosa subsp. cymosa George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10424 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  CAS-BOT-BC113797  Dulichium arundinaceum L. S. Smith 1925-9-24 1738 Placer Jew Boy Range north of Cisco 1676 Comment
  HSC26661  Dysphania botrys Thomas W. Nelson 1972-11-25 709 Placer Beside Del Oro Rd. near Roseville Comment
  JEPS126370  Dysphania botrys Steve Matson 2003-9-6 951 Placer nSNH: Truckee River watershed, 5 air miles west of Tahoe City; Alpine Meadows ski area; base of Kangaroo lift near buildings. Comment
  UCD38845  Eleocharis acicularis Beecher Crampton 1958-6-24 4967 Placer Placer County; three miles west of Baxter. Earl Morton Ranch. 1066 Comment
  CAS-BOT-BC113431  Eleocharis bella Marcus E. Jones 1882-6-20 2905 Placer Emigrant Gap 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
  CHSC81832  Eleocharis engelmannii Lowell Ahart 2001-10-10 9352 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
  CHSC74723  Eleocharis palustris Susi Urie 1998-8-26 98 -110 Placer Lake Tahoe Basin Management Unit. Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  POM292582  Eleocharis palustris Lyman Benson 1932-7-31 4015 Placer Donner Lake. Sierra Nevada mtn range, Truckee River watershed. 1890 Comment
  UC1100584  Eleocharis palustris Malcolm A. Nobs, S. Galen Smith 1949-8-21 1508 Placer marsh between Sandy Beach and Agate Bay Lake Tahoe, N end; Marsh Plant Survey Comment
  UC1925817  Elodea nuttallii David Keil, Kathleen A. Keil 1999-7-17 28379 Placer Along N Fork of Cosumnes River at Lilltle Canyon Road ford Comment
  CAS-BOT-BC227591  Elymus elymoides John Thomas Howell 1943-7-25 18815 Placer West side of Donner Pass near Norden 2133 Comment
  SEINET10564689  Elymus elymoides Alan A. Beetle 1941-5-25 Beetle 2688 Placer 10 miles west of Colfax, sandy soil under Pinus ponderosa, and Quercus crysolepis. 762 Comment
  SEINET4134789  Elymus elymoides subsp. elymoides A. A. Beetle 1941-5-25 2688 Placer 10 miles west of Colfax.; 0 762 Comment
  UC1132963  Elymus elymoides subsp. elymoides G. T. Nordstrom 1934-6-19 120 Placer 1/2 mi ne mouth of Monumental Creek; Tahoe National Forest, Colfax Quadrangle 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
  SACT001081  Elymus glaucus D. Meyer 1983-7-16 Placer 1212.0 Comment
  SACT001104  Elymus glaucus Michael Baad 1976-6-3 Placer Auburn-Foresthill Road. 609.0 Comment
  SACT001109  Elymus glaucus Josephine Van Ess 1977-5-13 Placer Collected near Mount Vernon Road. Shaded roadside bank. 353.7 Comment
  SACT001111  Elymus glaucus Josephine Van Ess 1977-4-27 Placer Collected at base of huge rocky cliff at intersection with Ophir Road. Moist ditch. 289.0 Comment
  SACT001139  Elymus glaucus D. Meyer 1984-6-3 Placer 585.0 Comment
  SACT001144  Elymus glaucus D. Meyer 1983-7-24 Placer Moist, shady roadside 1036.32 Comment
  SBBG56926  Elymus glaucus M. N. Ackley -Jun-1925 33 Placer Penryn 191 Comment
  UC1137021  Elymus glaucus August L. Hormay 1932-7-8 Placer 3 mi s Tavern (w side of lake); Lake Tahoe Comment
  UCD61895  Elymus glaucus R. Tofsrud 1951-7-1 Placer Hwy. 40, above Baxter 3/4 mile below drinking station. Comment
  CAS-BOT-BC206794  Elymus glaucus subsp. glaucus A. A. Beetle 1941-5-25 2689 Placer 10 miles west of Colfax Comment
  UCD21597  Elymus glaucus subsp. glaucus E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1261 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
  UCD43242  Elymus glaucus subsp. glaucus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 611 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD62418  Elymus multisetus Beecher Crampton 1955-7-13 3004 Placer Along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  UCD62439  Elymus multisetus John Thomas Howell; Gordon H. True 1971-5-26 47636 Placer Northern limits of Lincoln. 48 Comment
  UCD62476  Elymus multisetus A. A. Beetle 1941-5-25 2688 Placer 10 miles west of Colfax. 762 Comment
  SACT001149  Elymus sierrae James Grove 1977-7-15 Placer 2000.0 Comment
  UCD62612  Elymus stebbinsii subsp. septentrionalis B. Bolt 1934-7-3 71 Placer Top of Sawtooth Ridge. 1219 Comment
  CHSC68068  Elymus trachycaulus subsp. subsecundus James D. Jokerst 1986-7-12 2687 Placer Trial from The Cedars, high Sierra Nevada SW of Donner Lake, on N side of river. Comment
  CAS-BOT-BC204401  Elymus trachycaulus subsp. trachycaulus L. S. Smith 1925-7-15 1686 Placer Tahoe National Forest. French Mdws 1828 Comment
  CHSC67860  Elymus trachycaulus subsp. trachycaulus James D. Jokerst 1986-7-13 2709 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  UCD62623  Elymus trachycaulus subsp. trachycaulus John Thomas Howell 1943-7-19 18578 -A Placer Summit Valley. Comment
  UCR207109  Epilobium George K. Helmkamp, E. A. Helmkamp 2009-7-16 15233 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  UCD150582  Epilobium campestre James A. Neilson Jr. 1971-8-13 2332 Placer Tahoe Basin, Lagoon road, Homewood. 1914 Comment
  CAS-BOT-BC171970  Epilobium canum subsp. latifolium A. A. Heller 1917-8-13 12899 Placer Base of a cliff north of Summit Hotel 2164 Comment
  UC1035660  Epilobium canum subsp. latifolium Marian M. Enzler 1939-9-26 2 Placer on Hwy 49 4 mi from Auburn (Placer-El Dorado Co. line); Junction of North and Middle Forks of American River 198 Comment
  UCR190705  Epilobium canum subsp. latifolium George K. Helmkamp, E. A. Helmkamp 2007-9-14 12967 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 15 miles east of Foresthill 832 Comment
  SEINET12861995  Epilobium canum subsp. latifolium P. B. Kennedy, S. B. Doten 1901-1 278 Placer [Sierra Nevada] Summit of range between Devil's Cliff and Tinker's Knob. Comment
  UCD75766  Epilobium ciliatum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5237 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
  CHSC72877  Epilobium ciliatum subsp. ciliatum L. P. Janeway; Eric Schroder 1998-7-13 5745 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CHSC73963  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-8-28 98 -138 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC73964  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-9-1 98 -187 Placer Lake Tahoe Basin--National Forest. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  UCD105784  Epilobium ciliatum subsp. ciliatum G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12956 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCD150697  Epilobium ciliatum subsp. ciliatum James A. Neilson Jr. 1970-7-18 1563 Placer Tahoe Basin, 2 mi northeast of Tahoe City. (Exact location unknown. Coordinates estimated by label maker.) 1920 Comment
  UCD21996  Epilobium ciliatum subsp. ciliatum Beth Lowe Corbin 1982-8-5 249 Placer Onion Creek campground. 1841 Comment
  CDA25021  Epilobium densiflorum J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Moist area betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD150695  Epilobium glaberrimum James A. Neilson Jr. 1970-7-18 1562 Placer Tahoe Basin, 2 mi northeast of Tahoe City. 1920 Comment
  UCD21995  Epilobium glaberrimum Beth Lowe Corbin 1982-8-5 248 Placer Onion Creek campground. In wet soil along stream's edge. Flowers rose pink, petals bilobed. Full sun. SW facing slope, 15% incline. Occasional. 1841 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
  JEPS59478  Epilobium glaberrimum subsp. glaberrimum Ezra Brainerd and Viola B. Baird 1915-7-22 220 Placer bog opposite Walter's (ne side of road and Truckee River); Sierra Nevada Mts. 1905 Comment
  CHSC74108  Epilobium hallianum Susi Urie 1998-8-11 98 -002 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  UCD43100  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 468 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 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
  UCD43231  Epilobium hornemannii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 600 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD42967  Epilobium lactiflorum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 336 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD22091  Epilobium obcordatum Rex Palmer 1979-7-25 N 671 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET12191335  Epilobium obcordatum C. F. Sonne 1885-1 109 Placer Comment
  UCR257629  Epilobium pallidum George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19535 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
  UCD162941  Epilobium saximontanum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2058 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD150581  Epilobium torreyi James A. Neilson Jr. 1970-8-5 1753 Placer Tahoe Basin, North Ward Valley, section 17. 2194 Comment
  CAS-BOT-BC56949  Equisetum arvense Saichi Kawahara 1969-5-25 909 Placer Henderson Ranch, Indian Creek 987 Comment
  UCD43967  Equisetum arvense C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1333 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44510  Equisetum arvense C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1876 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC74178  Equisetum laevigatum Susi Urie 1998-9-2 98 -214 Placer Below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi noth of Lake Tahoe. 1908 Comment
  UCD44639  Equisetum laevigatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2005 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD169281  Eragrostis Lowell Ahart 2007-11-13 14599 Placer At the north edge of the town of Sheridan. On the west side of Camp Far West Road, east side of a shallow ditch. 35 Comment
  CAS-BOT-BC284068  Eragrostis pectinacea var. pectinacea Catherine Best 1984-8-11 1035 Placer South campground, Camp Far West Reservoir, Sierra Nevada 91 Comment
  UCD64328  Eragrostis pectinacea var. pectinacea Beecher Crampton 1953-10-6 1661 Placer north Lincoln city limit. Comment
  UCR198003  Eragrostis pilosa Beecher Crampton 1953-10-6 1661 Placer north Lincoln city limit 52 Comment
  CAS-BOT-BC174097  Eremogone aculeata John Thomas Howell 1943-7-21 18675 Placer Mt. Lincoln Comment
  CAS-BOT-BC174192  Eremogone congesta var. congesta Dr. Kellogg s.n. Placer Cisco Comment
  CAS-BOT-BC481928  Eremogone congesta var. congesta Clare B. Hardham 1978-8-11 21767 Placer SE of Thompson Peak Comment
  UCD22162  Eremogone kingii var. glabrescens Beth Lowe Corbin 1982-8-4 239 Placer 1 1/2 mile NNW of Onion Creek Camground. E facing slope, 40% inclination. Uncommon. Full sun. Subalpine talus slope. Plant forming loose mat. Flowers white. 2286 Comment
  CAS-BOT-BC286644  Ericameria bloomeri Lewis S. Rose 1937-7-30 37619 Placer 3 mi. S. of Truckee 1828 Comment
  SCFS1223  Ericameria cuneata E. Krimmel Placer NFAm. Either Pt. Mariah, or between Foresthill road and river. Comment
  UC1119757  Ericameria nauseosa var. speciosa B. Bolt 1934-8-23 199 Placer Mt. Mildred Tahoe National Forest, Truckee Quadrangle, Mt. Mildred 2468 Comment
  UC73886  Ericameria nauseosa var. speciosa A. M. Carpenter 1893-8 Placer Comment
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Dec 11 2014
  JEPS20180  Ericameria suffruticosa C. F. Sonne 1888-8-12 144 Placer Tinker's Knob Sierra Nevada Mountains, Tinker's Knob Comment
  UC62962  Ericameria suffruticosa C. F. Sonne 1886-8-1 Placer above Coldstream; Sierra Nevada Mountains 2590 Comment
  UC830820  Ericameria suffruticosa A. A. Heller 1917-8-13 12920 Placer ridge nw Donner Pass 2377 Comment
  OBI20158  Erigeron aliceae David J. Keil 1978-7-23 12925 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UC71911  Erigeron barbellulatus C. J. Fox Jr. 1895-7-1 Placer near Deer Park Inn Comment
  UC197372  Erigeron barbellulatus C. F. Sonne 1886-7-18 Placer Head of Canon on Truckee River Truckee River, Head of Canon Comment
  UC1191221  Erigeron coulteri Herbert L. Mason 1939-8-3 12204 Placer n of Lake Tahoe (Squaw Creek Valley); Squaw Creek Valley 1889 Comment
  CHSC69471  Erigeron filifolius var. filifolius James D. Jokerst 1988-6-6 3007 Placer Long Creek Hydro Project, ca. 1 mi W of Ramsey Crossing, N of Long Canyon Creek. Comment
  CAS-BOT-BC300822  Erigeron glacialis var. glacialis C. F. Sonne 1884-8-24 151 Placer Sierra Nevada Mts. Canyon above Coldstream Comment
  CAS-BOT-BC295203  Erigeron inornatus A. A. Heller 1916-8-13 12895 Placer Summit Station 2133 Comment
  CAS-BOT-BC295212  Erigeron inornatus Alice Eastwood 1909-1-1 269 Placer Lake Tahoe Region. Squaw Creek Comment
  CDA12431  Erigeron inornatus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8503 Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UC202221  Erigeron inornatus var. inornatus A. A. Heller 1916-8-13 12895 Placer Summit Station 2133 Comment
  CAS-BOT-BC295528  Erigeron miser G. L. Stebbins 1968-8-15 6857 Placer Devil's Peak, southwest of Soda Springs 2286 Comment
  JEPS126428  Erigeron miser Steve Matson 2004-6-20 1056 Placer nSNH; just off Old Donner Summit Road (Highway 40); 300 yards east of Old Donner Summit. Comment
  RSA0089880  Erigeron miser Dean Wm. Taylor 2013-8-7 21396 Placer Coldstream Valley, headwaters of Cold Creek, draining the southeast flank of Mt. Judah. 2103 Comment
  SEINET8667717 Image available Erigeron miser M. J. Williams 1985-7-6 85- 63 -10 Placer Pacific Crest Trail between old and new Donner Summits. Sierra Nevada. Comment
  UC1124281  Eriodictyon californicum N. French 1934-5-29 375 Placer 1 mi w Lake Spaulding; Tahoe National Forest, Colfax Quadrangle 1463 Comment
  SCFS1162  Eriogonum E. Krimmel, F. Felix 2013-7-26 Placer NFAm. Off Foresthill Road. Rocky overlook. Comment
  UCD22134  Eriogonum Rex Palmer 1979-6-21 N 406 Placer Headwaters basin area of the North Fork of the American River 2331 Comment
  JEPS111109  Eriogonum incanum Steve Matson 2005-7-30 1420 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
  SCFS1110  Eriogonum incanum E. Krimmel 2013-6-2 Placer Top of Foresthill road, near Am. River gorge overlook Comment
  UC480709  Eriogonum incanum W. C. Blasdale 1923-7-13 Placer top of Ellis Peak Lake Tahoe Region, Ellis Peak Comment
  CAS-BOT-BC259352  Eriogonum lobbii A. A. Heller 1917-8-14 12923 Placer Mt. Lincoln south of Summit Valley 2499 Comment
  UCD75941  Eriogonum marifolium Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5180 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 by creek. 2145 Comment
  UCR207125  Eriogonum marifolium George K. Helmkamp, E. A. Helmkamp 2009-7-16 15222 Placer Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat 2020 Comment
  CAS-BOT-BC263289  Eriogonum marifolium var. marifolium Alice Eastwood 1912-6-15 425 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC263290  Eriogonum marifolium var. marifolium Alice Eastwood 1909-1-1 258 Placer Lake Tahoe Region. Deer Park Comment
  UCD83594  Eriogonum nudum Albert Grigarick 2009-8-7 163 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 2061 Comment
  SEINET3405029 Image available Eriogonum nudum var. deductum Marcus E. Jones 1882-6-29 3469 Placer Emigrant Gap Comment
  UCD100570  Eriogonum nudum var. deductum G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12636 Placer Northern Sierra Nevada Mountains, southeast end of Cisco Grove, along local road just before it passes under Interstate-80. 1744 Comment
  UCR233385  Eriogonum nudum var. deductum George K. Helmkamp, E. A. Helmkamp 2011-8-26 18163 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2020 Comment
  SEINET11262479  Eriogonum nudum var. nudum Elizabeth Neese 1980-10-15 9986 Placer Nyack Rd exit on I-80.; 0 Comment
  UCR176259  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2006-8-11 11216 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  UCR231835  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2010-8-14 16786 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
  RSA0062468  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2012-9-25 19916 Placer Junction of Nyack Road and I-80 in the Emigrant Gap area. 1652 Comment
  UCR229533  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2011-7-26 17860 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 1590 Comment
  POM105140  Eriogonum pedunculatum Marcus E. Jones 1882-7-3 2840 Placer Colfax. Comment
  UCD80662  Eriogonum prattenianum CNPS SN Foothill Team 2006-6-27 SNNR 0728 b Placer Placer Land Trust, Shutamul Parcel, along the Bear River. 305 Comment
  UC84513 Image available Eriogonum rosense C. F. Sonne 1886-7-18 Placer Truckee River Sierra Nevada Mountains, Head of Squaw Valley, Truckee River Comment
  UCR179198  Eriogonum spergulinum Rex Palmer 1979-7-26 N- 834 Placer Sierra Nevada Mtns., Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden] 2134 Comment
  CAS-BOT-BC269941  Eriogonum spergulinum var. reddingianum L. S. Rose 1941-7-8 41290 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  CHSC32006  Eriogonum spergulinum var. reddingianum L. Ahart 1972-7-7 139 Placer French Meadows, on bottom of sandy wash. 1524 Comment
  JEPS59507  Eriogonum spergulinum var. reddingianum Ezra Brainerd and Viola B. Baird 1915-7-23 263 Placer Tahoe City Sierra Nevada Mts., Tahoe City 1905 Comment
  UC565910  Eriogonum spergulinum var. reddingianum B. Bolt 1934-7-11 100 Placer Cascade Lake Truckee Quadrangle, Cascade Lake 2042 Comment
  UC565934  Eriogonum spergulinum var. reddingianum N. French 1934-6-22 474 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2133 Comment
  UC662514  Eriogonum spergulinum var. reddingianum L. S. Rose 1941-7-8 41290 Placer Chambers Lodge (McKinney) Lake Tahoe 1900 Comment
  UCR136715  Eriogonum spergulinum var. reddingianum L. S. Rose 1941-7-8 41290 Placer Sierra Nevada Mtns., Chambers Lodge (McKinney), Lake Tahoe 1921 Comment
  CAS-BOT-BC267489  Eriogonum umbellatum Alice Eastwood 1909-1-1 134 Placer Lake Tahoe Region. Sunnyside Comment
  SEINET9292443  Eriogonum umbellatum var. nevadense Unknown 2000-7-1 15632 Placer Summit Village, Truckee Comment
  CAS-BOT-BC262172  Eriogonum umbellatum var. torreyanum Charlotte Pyle 1978-8-9 s.n. Placer East side of Silver Peak about 1.5 miles northwest of Squaw Valley 2438 Comment
  CAS-BOT-BC205644  Eriogonum ursinum James R. Shevock 1985-8-9 11334 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granitie [Granite] Chief Wilderness. Along trail 16E10 in Picayune Valley 2200 Comment
  CAS-BOT-BC262230  Eriogonum ursinum Alice Eastwood 1909-1-1 298 Placer Lake Tahoe Region, Deer Park 1889 Comment
  RSA766455  Eriogonum ursinum Susan Hutchinson 1928-1 1162 Placer Emigrant Gap, Sierra Nevada. 1591 Comment
  UC767885  Eriogonum ursinum R. F. Hoover 1938-7-30 3711 Placer Emigrant Gap Comment
  UC912775  Eriogonum ursinum Marcus E. Jones, A. M. Jun 1882 Placer Emigrant Gap Comment
  JEPS56203  Eriogonum ursinum Leland S. Smith 1914-8-11 Placer near Loch Leven (5 mi n of Cisco) 2133 Comment
  CDA22693  Eriogonum wrightii subsp. trachygonum T. C. Fuller 1962-9-2 9626 Placer Hampshire Rocks, Highway 40 (old road before freeway construction), 0.9 mile east of Big Bend Ranger Station. 0 Comment
  CAS-BOT-BC300951  Eriophyllum lanatum L. S. Smith 1926-5-23 1831 Placer Tahoe National Forest. Above Bear River, Colfax Rd. 853 Comment
  UCR193399  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2007-5-30 12198 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp 963 Comment
  UCD21884  Eriophyllum lanatum var. croceum Beth Lowe Corbin 1982-8-11 322 Placer 1 3/4 miles SW of Onion Creek campground. In rocky outcrop in montane chaparral. Ray and disc flowers yellow. Full sun. SE facing slope, 45% incline. Occasional. 1935 Comment
  UCR231853  Eriophyllum lanatum var. croceum George K. Helmkamp, E. A. Helmkamp 2010-8-11 16767 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 3.7 miles north of Forest Hill Road 1140 Comment
  RSA757089  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, E. A. Helmkamp 2009-7-16 15198 Placer Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 Comment
  UC194928  Eriophyllum lanatum var. grandiflorum H. M. Hall 1916-6-3 10147 Placer near Rocklin; east side Sacramento Valley 121 Comment
  UC896358  Eriophyllum lanatum var. grandiflorum Alice Eastwood 1921-5-22 10582 Placer between Lincoln and Sheridan Comment
  CAS-BOT-BC308249  Eriophyllum lanatum var. integrifolium Elizabeth Parsons Hawver 1911-8-19 s.n. Placer Madden Creek, Ellis Peak Ridge, Lake Tahoe Region Comment
  UC148928  Eriophyllum lanatum var. integrifolium H. M. Hall 1910-7-4 8744 Placer Cisco Sierra Nevada Mountains (s of Snowsheds, near type-locality of Bahia cuneata) 1828 Comment
  UCR189301  Eriophyllum lanatum var. integrifolium George K. Helmkamp, E. A. Helmkamp 2007-7-27 12631 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  POM83006  Eryngium castrense Marcus E. Jones 1882-7-8 3602 Placer Auburn Comment
  UCD21176  Eryngium castrense Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-6-5 351 Placer Orchard Creek Mitigation Bank. UTMs 10S0646175; 4300069. Comment
  UC764564  Eryngium vaseyi R. F. Hoover 1938-7-30 3710 Placer 4 mi. e. Loomis Comment
  UCD22369  Erysimum capitatum Rex Palmer 1979-5-27 N 53 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET13694331 Image available Erythranthe bicolor C. L. Hitchcock 1940-1 6398 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  CAS-BOT-BC150224  Erythranthe guttata Saichi Kawahara 1969-5-24 1010 Placer Mel Henderson Ranch on the east bank of Indian Creek 987 Comment
  SEINET3836910 Image available Erythranthe moschata Marcus E. Jones 1897-1 Placer Diamond Mt., Susanville, Perkin's Ranch 2 Comment
Read comments
Jan 10 2016
  UC843846  Erythronium multiscapideum C. L. Hitchcock 1940-5-7 6310 Placer ca 1 mi w Baxter Comment
  CDA11999  Erythronium purpurascens G. F. Hrusa 1995-5-2 12180 Placer Sierra Nevada; Near intersection of Mosquito Ridge Rd. and Jarvis Rd. on spur to Placer Redwood Grove. Comment
  UC1533102  Erythronium purpurascens Jon Winter 1970-7 Placer Duncan Peak Lookout Station Tahoe Nat'l Forest 2189 Comment
  UC843871  Erythronium purpurascens A. A. Heller 1917-6-17 12685 Placer below Cisco (near Yuba River) 1676 Comment
  CAS-BOT-BC402619  Eschscholzia caespitosa Helen Smith 1899-6-1 s.n. Placer Applegate Comment
  UC142937  Eschscholzia caespitosa Katharine Brandegee 1909-4-28 Placer near Auburn (along the river grade) 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
  UC112927  Eschscholzia californica Katharine Brandegee 1908-6-4 Placer R.R. embankment near Gold Run Comment
  CAS-BOT-BC419542  Eschscholzia lobbii Alice Eastwood; John Thomas Howell 1937-5-8 4338 Placer Near Auburn on road to Grass Valley Comment
  RSA11787  Eschscholzia lobbii Elmer I. Applegate 1928-4-22 5363 Placer Above Auburn on Grass Valley road Comment
  CAS-BOT-BC310372  Eucephalus breweri M. E. Parsons 1910-7-21 s.n. Placer Ward Creek, Lake Tahoe Comment
  SEINET2470968  Eucephalus breweri K. Christie 2010-7-22 1909 Placer Lake Tahoe Basin Management Unit (USFS); ca. 1.0 mi. southeast of Martis Peak. 2407 Comment
  SJSU11797  Eucephalus breweri H. T. Harvey 1958-8-19 Placer Sugar Bowl 1 mi S of Donner Summit 2164 Comment
  UC1475036  Eucephalus breweri B. Bolt 1934-8-22 192 Placer 1 mi se of Johnson's Monument; Truckee Quad. 2255 Comment
  UCD21706  Eucephalus breweri Rex Palmer Date Unknown N 891 Placer Placer County Comment
  SEINET9373704  Eucephalus breweri Unknown 2000-9-3 15664 Placer Placer Comment
  POM85679  Euphorbia crenulata Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  SD113526  Euphorbia crenulata Darley F. Howe 1948-5-23 1816 Placer American River 299 Comment
  SD81227  Euphorbia crenulata Darley F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill. 1399 Comment
  UCR123377  Euphorbia maculata George K. Helmkamp, E. A. Helmkamp 1999-6-29 5057 Placer Sierra Nevada Foothills, corner of Dry Creek Rd & Bowman Rd, near Nielsburg, 3 mi NE of Auburn beside I-80 & 1.5 NW of North Fork Lake on American River 457 Comment
  UCR123375  Euphorbia nutans George K. Helmkamp, E. A. Helmkamp 1999-6-29 5052 Placer Sierra Nevada Foothills, corner of Dry Creek Rd & Bowman Rd, near Nielsburg, 3 mi NE of Auburn beside I-80 & 1.5 NW of North Fork Lake on American River 457 Comment
  UCD38932  Euphorbia serpillifolia Beecher Crampton 1961-9-27 6005 Placer 1 mile west of Cisco Grove, along US Hwy 40. Comment
  SEINET12142206  Euphorbia serpillifolia L. S. Rose 1938-1 38265 Placer South Fork of Yuba River, 3 mi E of Cisco 1737 Comment
  CHSC73007  Eurybia integrifolia L. P. Janeway 1998-8-6 5978 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  SD212468  Eurybia integrifolia G. K. Helmkamp, Elizabeth Helmkamp 2005-9-30 9948 Placer Northern High Sierra Mountains; junction of Chalet and Alpine Meadows Roads west of CA-89 (near Alpine ski area). 2081 Comment
  UC203811  Eurybia integrifolia A. A. Heller 1917-8-13 12906 Placer near Summit hotel 2133 Comment
  UCD43059  Eurybia integrifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 427 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC312176  Eurybia radulina Fay A. Mac Fadden 1934-8-9 12854 Placer Dutch Flat Comment
  JEPS111253  Festuca Steve Matson 2005-6-12 1266 Placer Martis Valley, ca 3 miles southeast of Truckee, west of Northstar golfcourse and north of subdivision; close to fenceline; 39.2944 N, 120.1240 W; Elevation 5880 ft. 1792 Comment
  UCSC000036  Festuca elmeri Gray unknown s.n. Placer Cisco - Pacific Slope Comment
  UCD42960  Festuca idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 329 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC278792  Festuca occidentalis Saichi Kawahara 1969-5-25 889 Placer North of old cabin, Mel Anderson Ranch, Indian Creek 999 Comment
  CHSC112167  Festuca occidentalis Dean Wm. Taylor 2013-6-19 21371 Placer Ralston Ridge (ca 15 air miles E of Foresthill), along Forest Road 14N22C about 1.1 mile down from (North of) Forest Road 25 along the ridgecrest. 1482 Comment
  UCD66120  Festuca occidentalis Beecher Crampton 1955-7-13 2994 Placer US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  CHSC74045  Festuca rubra Susi Urie 1998-8-18 98 -071 Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  SACT001191  Festuca rubra D. Meyer 1983-9-10 Placer West end near parking lot. Moist streambank and meadow. 1879.0 Comment
  UCD36661  Festuca subulata Beecher Crampton 1955-6-15 2892 Placer 2.5 miles north of Yankee Jims, at junction of Iowa Hill and Forest Hill Road. 609 Comment
  UCD74212  Festuca trachyphylla Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-28 225 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Terrain Park' ski run. 2221 Comment
  SACT001205  Festuca viridula Michael Baad 1983-8-11 Placer Trail from Whiskey Camp. 3 miles west of Alpine Meadows. 2133.0 Comment
  SACT001208  Festuca viridula Michael Baad 1983-8-27 Placer 2072.64 Comment
  UC818180  Festuca viridula A. A. Heller 1917-8-14 12926 Placer s of Summit Valley; Mt. Lincoln 2499 Comment
  UCD66515  Festuca viridula A. A. Heller 1917-8-14 12926 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  POM260104  Fragaria californica C. Leo Hitchcock 1940-5-7 6318 Placer 1 mile west of Baxter. Comment
  SBBG27370  Fragaria vesca C. L. Htchcock 1940-5-7 6318 Placer ca. 1 mi W of Baxter Comment
  CAS-BOT-BC457946  Fragaria vesca subsp. californica C. L. Hitchcock 1940-5-7 6318 Placer ca. 1 mile west of Baxter Comment
  CAS-BOT-BC457948  Fragaria vesca subsp. californica Saichi Kawahara 1969-5-25 1009 Placer Mel Henderson Ranch, Indian Creek 987 Comment
  CAS-BOT-BC53543  Frangula californica subsp. tomentella Doris K. Kildale 1928-8-23 6644 Placer near Colfax 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
  UCD13339  Frangula californica subsp. tomentella Kristy S. Howard 1989-6-3 250 Placer Placer Co.; Dry creek rd. T12N, R8E, Sect. 16, SW 1/4. Elev. 1200 ft. 365 Comment
  CDA39644  Frangula rubra subsp. yosemitana D. G. Kelch 2011-10-2 11 .815 Placer Gold Run rest stop. Comment
  CAS-BOT-BC504554  Fritillaria atropurpurea G. B. Grant 1906-7-25 s.n. Placer Vicinity of Lake Tahoe Comment
  CAS-BOT-BC505322  Fritillaria micrantha Catherine A. Toschi 1963-3-23 63 : 78 Placer 3 miles east of Auburn Comment
  SEINET8478955  Fritillaria phaeanthera A. Badiei 1962-3-17 s.n. Placer 3 miles E of Auburn, North Fork American River. 610 Comment
  CAS-BOT-BC504447  Fritillaria recurva Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  UCD121720  Galium aparine M. H. Mills 1996-4-12 140 Placer 5830 Walden Lane, Loomis. 180 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
  UCR253574  Galium aparine George K. Helmkamp, Amy Barnes 2014-4-23 22800 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
  SD146164  Galium bifolium G. K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5021 A Placer Northern Sierra Nevada Range: N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CAS-BOT-BC334225  Galium bolanderi George K. Helmkamp; Mary Alice Barnes; E. A. Helmkamp 2012-9-8 19808 Placer Northern Sierra Nevada Mountains: Forest Hill Road 10.4 miles NE of Hidden Treasure Road, 0.45 miles ESE of Whisky HIll 1677 Comment
  POM67595  Galium bolanderi Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UCR176261  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2006-8-11 11214 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  UCR190660  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2007-5-23 12071 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  UCR240750  Galium bolanderi George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19808 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
  JEPS26652  Galium bolanderi Lauramay T. Dempster 1961-6-14 1442 Placer s-facing slope above Baxter Comment
  UCD22292  Galium grayanum Beth Lowe Corbin 1982-8-12 333 Placer 1/8 mile NE of Onion Creek Campground. 1844 Comment
  RSA39976  Galium grayanum var. grayanum J. T. Howell 1943-7-26 18840 Placer Mt. Lincoln. Comment
  SEINET11616247  Galium grayanum var. grayanum W. D. Billings 1950-7-30 1920 Placer NE side of Squaw Peak, Sierra Nevada 2560 Comment
  UC427890  Galium grayanum var. grayanum L. S. Smith 1926-6-24 1982 Placer s side Section 10 Tahoe National Forest, Whiskey Creek drainage 2377 Comment
  CDA36878  Galium murale CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UCR193340  Galium porrigens var. tenue George K. Helmkamp, E. A. Helmkamp 2007-5-30 12178 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  SBBG7322  Galium trifidum E. R. Blakley 1960-9-3 3815 Placer King's Beach, Lake Tahoe 1903 Comment
  JEPS127440  Galium trifidum subsp. columbianum Steve Matson 1998-6-27 306 Placer Martins Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, southeast of junction of East Martis Creek and Martis Creek. Comment
  JEPS127518  Galium trifidum subsp. columbianum Steve Matson 1997-7-5 42 Placer nSNH: jMartis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north side of Hwy 267, west of Martis Creek. Comment
  UCR249595  Galium triflorum George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20816 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  UC876016  Garrya fremontii Marcus E. Jones, A. M. 1882-6-28 3301 Placer Emigrant Gap Comment
  SACT001235  Gastridium ventricosum D. Meyer 1984-6-23 Placer And the American River. Rocky riverbank. 352.0 Comment
  UCD74362  Gaultheria ovatifolia G. Ledyard Stebbins 1968-6-20 6725 Placer Placer County grove of Big Trees. (Exact location unknown. Coordinates estimated by label maker.) 1584 Comment
  UCR241723  Gayophytum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19921 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  CDA12384  Gayophytum diffusum subsp. parviflorum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8512 A Placer Lake Tahoe; 4 mi SW Tahoe City in upper Ward Valley. 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
  RSA144917  Gayophytum diffusum subsp. parviflorum John H. Thomas, Hazelle A. Thomas 1956-7-21 6114 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2134 Comment
  UCR170805  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2005-9-30 9949 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR171343  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2005-10-1 9988 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
  UCR229534  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17859 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 1590 Comment
  CHSC73058  Gayophytum heterozygum L. P. Janeway 1998-8-6 5966 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
  OBI12035  Gayophytum heterozygum Robert F. Hoover 1967-9-5 10826 Placer Carnelian bay, Lake Tahoe Comment
  UCR232232  Gayophytum heterozygum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16646 Placer Northern Sierra Nevada Mountains, Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill 1384 Comment
  UCD21988  Gayophytum humile Rex Palmer 1979-6-8 N 126 Placer Headwaters basin area of the North Fork of the American River Comment
  UC146056  Gentiana calycosa Mrs. W. S. Chandler Sept., 1910 Placer Deer Park Comment
  UC22752  Gentiana calycosa W. H. Brewer 1863-8-28 2164 Placer Squaw Valley to Forest Hill 2682 Comment
  RSA0028447  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-5-12 17258 Placer south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  UCR173266  Geranium dissectum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10428 A Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCD103424  Geranium molle G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11706 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  JEPS111121  Geum triflorum Steve Matson 2005-7-30 1426 Placer Squaw Valley ski area, about 1.6 km SSW of High Camp (top of tramway), north side of ridge high point facing large rocky pinnacle (south of Emigrant Pass) 39.1885 N, 120.2775 W; elevation 8,700 ft. 2651 Comment
  JEPS71885  Geum triflorum Gladys L. Smith 1972-6-20 3220 Placer Ward Peak, from chairlift terminus to ultimate summit peak Ward Peak 2632 Comment
  UC1123740  Gilia capitata subsp. mediomontana G. T. Nordstrom 1934-6-21 131 Placer 4 mi w by nw Mammoth Springs; Colfax Quad., , Tahoe National Forest Comment
  UCR173262  Gilia capitata subsp. mediomontana George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10425 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCR250166  Gilia capitata subsp. mediomontana George K. Helmkamp, Mary Alice Barnes 2013-5-3 20482 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
  SEINET3163620  Gilia leptalea L. S. Rose 1937-7-29 37616 Placer Tahoe Vista 1905 Comment
  UC30184  Gilia tricolor subsp. diffusa H. N. Bolander 1865-4-13 4574 Placer near Auburn; near Auburn Comment
  UCD66747  Glyceria borealis August L. Hormay 1932-7-8 Placer W side of Lake Tahoe, 6 miles S of Tahoe Tavern. Comment
  SACT001257  Glyceria elata D. Meyer 1984-8-26 Placer 1660.0 Comment
  SACT001273  Glyceria striata D. Meyer 1984-7-29 Placer Road to Soda Springs. 1661.0 Comment
  CAS-BOT-BC307364  Gnaphalium palustre Mrs. Chas. E. Miller 1916-8-30 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC307372  Gnaphalium palustre John Thomas Howell 1943-7-19 18583 Placer Summit Valley Comment
  RSA122379  Gnaphalium palustre B. Bolt 1934-7-22 161 Placer Chicken Hawk Camp. 1280 Comment
  CAS-BOT-BC314601  Grindelia hirsutula R. F. Hoover 1965-6-24 9452 Placer 2 mi. N of Auburn on road to Grass Valley (Highway 49) Comment
  SEINET3139959  Grindelia hirsutula M. P. Dunford 1959-10-20 563 Placer 1 mi. E of Rocklin on Hwy 40; between Hwy 40 & railroad tracks Comment
  UCR218246  Grindelia hirsutula var. davyi George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16432 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
  JEPS55578  Hackelia velutina W. L. Jepson 1918-7-30 7727 Placer near Tahoe City; Lake Tahoe Comment
  POM72072  Hackelia velutina Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  SEINET6646518  Hedera helix H. N. Mozingo 1977-3-19 77 -5 Placer Above Middle Fork, on road to Cool, near top of canyon 457 Comment
  CAS-BOT-BC306375  Helenium bigelovii Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  UCD80066  Helianthella californica CNPS SN Foothill Team 2005-4-26 SNFN 0183 c Placer CDPR Auburn State Recreation Area, at the northeast end of Robie Point, about 100 meters east (downslope) of the Western States trail, just to the north and east of where it rounds the point (accessed from the trailhead at Robie Point). 259 Comment
  CAS-BOT-BC314784  Helianthella californica var. nevadensis F. Almeda 1993-7-24 7276 Placer About 15 miles SE of Interstea Hwy. #80 at Soda Springs on the trail to Upper Sheep Valley, Sierra Nevada 2133 Comment
  CAS-BOT-BC314975  Hemizonella minima Harriet A. Walker 1910-6-1 2036 Placer Deer Park, Lake Tahoe District Comment
  UCD21781  Hemizonella minima Rex Plamer 1979-6-8 N 124 Placer Headwaters basin area of the North Fork of the American River Comment
  UC880732  Hesperochiron californicus A. A. Heller 1917-6-17 12703 Placer along Yuba R. below Cisco; Yuba R. 1676 Comment
  UC24121  Hesperochiron californicus Mrs. M. M. Hardy 1893-1 Placer Comment
  JEPS16328  Heterocodon rariflorum Peter H. Raven 1956-8-4 9997 Placer 1.0 mi from Blue Canyon (on road to Emigrant Gap); Sierra Nevada Comment
  HSC26678  Heterotheca grandiflora Thomas W. Nelson 1972-11-25 708 Placer Beside Del Oro Rd., near Roseville, CA Comment
  UCR208280  Heuchera micrantha George K. Helmkamp, E. A. Helmkamp 2009-5-7 14632 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  SEINET8061131 Image available Heuchera micrantha var. erubescens Bif Soper 1983-5-28 15 Placer 13.5 miles from Foresthill on Mosquito Ridge Road. 1067 Comment
  RSA0062977  Heuchera micrantha var. erubescens Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  SEINET215105  Heuchera micrantha var. erubescens R. W. Cooper 1968-5-18 29 Placer American River Cyn 5 mi W of Foresthill Comment
  UC11368  Heuchera rubescens var. glandulosa Mrs. M. M. Hardy 1893-1 Placer 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
  UCR231837  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2010-8-14 16784 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
  UCD133111  Hieracium argutum G. L. Stebbins Jr.; J. Hunziker, H. Stutz, D. Zohary 1952-7-20 5134 Placer steep, north-facing slope. Along road from Colfax to Forest Hill, 1/2 mile south of crossing of American River. 304 Comment
  UCR176266  Hieracium scouleri George K. Helmkamp, E. A. Helmkamp 2006-8-11 11207 Placer Northern Sierra Nevada Mtns foothills, along the road to Clementine Lake, 0.8 mile north of Forest Hill Rd 422 Comment
  UCR253122  Holcus lanatus George K. Helmkamp, Amy Barnes 2014-4-23 22817 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
  CAS-BOT-BC150011  Holodiscus discolor var. discolor A. A. Heller 1917-8-13 12896 Placer North of Summit hotel 2164 Comment
  CAS-BOT-BC152579  Holodiscus discolor var. discolor A. A. Heller 1917-8-13 12896 Placer Base of a cliff north of Summit Hotel 2164 Comment
  UCD22267  Holodiscus discolor var. microphyllus Rex Palmer 1979-6-9 N 144 Placer Headwaters basin area of the North Fork of the American River. 2255 Comment
  CAS-BOT-BC150148  Holodiscus microphyllus var. microphyllus John Thomas Howell 1943-7-21 18637 Placer Donner Pass to Mt. Lincoln Comment
  SACT001301  Hordeum brachyantherum D. Meyer 1983-9-10 Placer West end near parking lot moist streambank and meadow. 1879.0 Comment
  UCD44601  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1967 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR218116  Hordeum brachyantherum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16400 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  OBI83581  Hordeum depressum George K. Helmkamp, Amy Bares 2013-3-28 20284 Placer Eastern Sacramento Valley: along 10th Street/ Ranch House Rd. 0.6 mile south of its junction with Riosa Road in Sheridan (Lincoln 7.5' Q,: 38 deg. 58' 41" N 121 deg. 22' 06" W +- 100m) 43 Comment
  SACT001331  Hordeum depressum Josephine Van Ess 1976-3-31 Placer Collected at top of hill north of Rocklin about 6 miles of Placer. Dried up depression. 83.8 Comment
  SACT001341  Hordeum geniculatum D. Meyer 1983-5-15 Placer Field of southeast corner. 36.6 Comment
  SACT001369  Hordeum leporinum D. Meyer 1984-4-15 Placer 2.5 miles north of Baseline Road. Roadside. 64.0 Comment
  SACT001372  Hordeum leporinum D. Meyer 1983-6-18 Placer Shady area 1170.0 Comment
  SACT001364  Hordeum leporinum 1977-4-13 Placer Moist riverside. 67.1 Comment
  CAS-BOT-BC285073  Hordeum marinum subsp. gussoneanum John Thomas Howell; Gordon H. True 1971-5-26 47618 Placer Northern limits of Lincoln 48 Comment
  CDA19572  Hordeum marinum subsp. gussoneanum M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 232 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
  CDA36911  Hordeum marinum subsp. gussoneanum CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  UC1132516  Hordeum marinum subsp. gussoneanum N. French 1933-5-5 43 Placer sw Rattlesnake Bridge; Sacramento Quad. 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
  CDA15959  Horkelia fusca subsp. parviflora G. F. Hrusa, J. Glazner 1999-7-17 15146 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD67955  Horkelia tridentata Nicholas Ewing 1977-5-28 29 Placer 5.3 mi. E. of Foresthill on Auburn-Foresthill Road. 1249 Comment
  SDSU9076  Horkelia tridentata D. F. Howe 1965-5-20 4059 Placer Canyon on south side of north fork of American River between Forest Hill and Yankee Jims. 914 Comment
  UCD39145  Horkelia tridentata Beecher Crampton 1964-7-21 7114 Placer US Hwy. 40. Western slope below Blue Canyon weather station. 1524 Comment
  UC750541  Horkelia tridentata subsp. tridentata Lewis S. Rose 1946-6-23 46178 Placer n Cisco (Rainbow) Comment
  UC1283728  Horkelia tridentata subsp. tridentata Beecher Crampton 1964-7-21 7114 Placer below Blue Canyon weather station (along US Hwy 40) 1524 Comment
  CAS-BOT-BC143406  Horkelia tridentata var. tridentata E. K. McPherson 1976-9-19 26 -28 10 Placer One mile east of Talbot Campground; near Middle Fork American River 1767 Comment
  CAS-BOT-BC537950  Horkelia tridentata var. tridentata H. D. Ripley; R. C. Barneby 1948-7-13 9819 Placer SW. of Emigrant Gap 1676 Comment
  CAS-BOT-BC537974  Horkelia tridentata var. tridentata Lewis S. Rose 1940-5-29 40418 Placer Cisco 1737 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-BC206148  Hosackia crassifolia W. R. Dudley 1900-6-29 s.n. Placer South of Tahoe City Comment
  CAS-BOT-BC376329  Hosackia crassifolia var. crassifolia Greg de Nevers 1995-8-20 10769 Placer Lake Tahoe. 2164 Comment
  SD2573  Hosackia incana C. F. Sonne May 1897 Placer Sierra Nevada Mountains, between Blue Lawn & Jowles (?), along railroad Comment
  UCD106156  Hosackia oblongifolia R. Tofsrud 1951-7-1 s.n. Placer ca. 5 mi. below Soda Springs, Hwy. 40. Comment
  UCD36711  Hosackia oblongifolia Beecher Crampton 1955-7-13 2996 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  SD6063  Hosackia oblongifolia var. oblongifolia Unknown Jul 1914 Placer Cisco Comment
  SEINET5327468  Hosackia oblongifolia var. oblongifolia P. B. Kennedy, Samuel Bradford Doten 1901-8-15 406 Placer Bearman's camp, 6 mi from French Meadows Comment
  JEPS71481  Hydrophyllum capitatum var. alpinum Gladys L. Smith and Betsy Wilson 1972-4 3621 Placer lower slopes Ward Peak (Sherwood Forest); Sherwood Forest 2133 Comment
  JEPS71482  Hydrophyllum capitatum var. alpinum Gladys L. Smith 1972-6-18 3165 Placer Alpine Meadows 2072 Comment
  CHSC74224  Hypericum anagalloides Susi Urie 1998-9-4 98 -271 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  UC1122099  Hypericum concinnum B. Bolt 1934-7-4 78 Placer Sawtooth Ridge Tahoe Nat'l Forest, Colfax Quad., Sawtooth Ridge Comment
  UC420707  Hypericum concinnum W. W. Mackie Apr 1 1904-May 1 1904 Placer Newcastle Comment
  UCD110358  Hypericum concinnum Julie Combs 1994-5-31 22 Placer 1 m. E of railroad tracks. 579 Comment
  UC721200  Hypericum concinnum Rogers McVaugh 1941-7-28 6166 Placer canyon 3 mi. n.e. Colfax Comment
  UCR170799  Hypericum formosum var. scouleri George K. Helmkamp, E. A. Helmkamp 2005-9-30 9937 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  SEINET9285668  Hypericum perforatum Unknown 2010-6-26 16371 Placer Sierra Nevada Mountains Foothills Comment
  CAS-BOT-BC401267  Hypericum perforatum T. C. Fuller 1964-6-26 12253 Placer N. side of freeway, Interstate 80, to Donner Summit, 0.2 mi. w. of Gold Run, Sierra Nevada 762 Comment
  SEINET5343957  Hypericum perforatum M. J. Williams 1985-7-6 85- 63 -1 Placer Pacific Crest Trail between old and new Donner Summits, Sierra Nevada Comment
  UCD110375  Hypericum perforatum subsp. perforatum G. K. Helmkamp; Elizabeth A. Helmkamp 2006-6-14 10709 Placer Northern Sierra Nevada foothills: 0.2 mile north of Forest Hill Road on unnamed road to Lake Clementine (general area northeast of Auburn on Forest Hill Divide). 488 Comment
  UCD38901  Hypericum perforatum subsp. perforatum Beecher Crampton 1959-7-23 5424 Placer 6 miles north of Folsom. Comment
  CAS-BOT-BC401315  Hypericum scouleri Geo. B. Grant 1906-7-15 6995 Placer Tahoe Tavern, Lake Tahoe Comment
  UCR250630  Hypochaeris glabra George K. Helmkamp, Mary Alice Barnes 2013-5-3 20464 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  CHSC3557  Ilex cornuta Gary Dutton 1966-2-19 62 Placer 227 Donner Ave. Roseville, Calif. in front yard. Comment
  CDA15678  Ipomopsis aggregata subsp. aggregata G. F. Hrusa, J. Glazner 1999-7-18 15228 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1920 Comment
  RSA795076  Ipomopsis aggregata subsp. formosissima George K. Helmkamp, E. A. Helmkamp 2011-8-26 18180 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  UC23473  Ipomopsis congesta C. J. Fox Jr. 1895-7-1 Placer near Squaw Peak Comment
  SEINET7096691  Iris A. G. Vestal 1947-4-28 s.n. Placer Ca. 12 miles southeast of Auburn near present I80 and South of Rocklin. NAD27, 38? deg. 47'05ao, -120?_ 13' 52ao (converted to WGS84 decimal degrees) UTM Zone 10 653674mE, 4294165mN Comment
  UCR173251  Iris George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10454 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
  UC4293  Iris C. F. Sonne 1891-5-17 8 Placer Auburn to Newcastle; Sierra Nevada Mountains Comment
  SEINET8752696  Iris hartwegii D. T. Erskire 1941-4-25 2 Placer Bear River Canyon 1067 Comment
  POM276864  Isoetes bolanderi Lyman Benson 1947-8-12 12791 Placer Tahoe City, Lake Tahoe. Sierra Nevada mtn range, Truckee River drainage. 1890 Comment
  CDA15985  Isoetes nuttallii G. F. Hrusa, J. Glazner 1999-7-17 15170 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CAS-BOT-BC69868  Isoetes orcuttii John Thomas Howell; Gordon H. True 1972-3-17 s.n. Placer Northern outskirts of Lincoln. 48 Comment
  SEINET5338185  Isopyrum occidentale M. J. Williams, W. Roderick 1967-4-16 s.n. Placer Hway 49 south of Auburn south side of American River. 305 Comment
  UCR209018  Juglans hindsii George K. Helmkamp, E. A. Helmkamp 2009-8-22 15520 Placer Sacramento Valley, along CA-193, 5.3 miles east of Lincoln 123 Comment
  UCD44492  Juncus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1858 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD42973  Juncus acuminatus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 342 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  OBI21159  Juncus amuricus R. F. Hoover 1967-9-5 10843 Placer Carnelian Bay, Lake Tahoe Comment
  UC1133637  Juncus arcticus subsp. mexicanus R. W. Lundh 1933-4-25 231 Placer n of Colfax; Colfax Quad. 792 Comment
  UCD33732  Juncus articulatus subsp. articulatus Beecher Crampton 1972-7-26 8842 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  SBBG794  Juncus balticus E. R. Blakley 1960-9-3 3811 Placer Kings Beach, Lake Tahoe 1903 Comment
  JEPS99469  Juncus bufonius Steve Matson 2002-6-29 537 Placer Tahoe Vista, main pond meadow, 50 m E of pond, 50 m N of Hwy 28 Tahoe Basin, Snow Creek watershed 1901 Comment
  SEINET3814472 Image available Juncus bufonius var. halophilus Marcus E. Jones 1882-7-4 2903 Placer Colfax Comment
  UCD162584  Juncus bufonius var. occidentalis Steve Matson 2003-7-29 861 Placer nSNH; Tahoe west shore; Timberland subdivision; next to Rideout School/Community Center. 1920 Comment
  CDA12391  Juncus chlorocephalus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8519 A Placer Lake Tahoe; N side of Ward Valley 4 mi SW Tahoe City. Comment
  SEINET3877879  Juncus chlorocephalus A. A. Heller 1903-8-17 7176 Placer Above Donner Donner Pass.; 0 2530 Comment
  UCR209722  Juncus chlorocephalus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15448 Placer Sierra Nevada Mountains, Forest Hill Road at Robinson Flat, 27 miles northeast of the city of Foresthill 2061 Comment
  UCD163592  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
  UC1133650  Juncus effusus subsp. pacificus B. Bolt 1934-7-6 89 Placer Mammoth Spring Tahoe National Forest, Colfax Quad. 1615 Comment
  CHSC81836  Juncus ensifolius Lowell Ahart 2001-10-10 9350 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 a 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  CHSC82605  Juncus ensifolius Lowell Ahart 2002-7-22 9919 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
  UCD33726  Juncus ensifolius Beecher Crampton 1972-7-26 8831 Placer Placer County, Nyack Lodge. 1645 Comment
  UCR190222  Juncus ensifolius George K. Helmkamp, E. A. Helmkamp 2007-8-1 12647 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  UCR233394  Juncus ensifolius George K. Helmkamp, E. A. Helmkamp 2011-8-26 18179 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
  UCD162583  Juncus macrandrus Steve Matson 2003-7-29 865 Placer nSNH; Tahoe west shore; Timberland subdivision; next to Rideout School/Community Center. 1920 Comment
  UCD44641  Juncus nevadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2007 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR179423  Juncus parryi Rex Palmer 1979-5-27 N 83 Placer Northern Sierra Nevada Mountains, Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden], granites at entrance to Chickering property 1768 Comment
  UCD142921  Juncus tenuis John Thomas Howell; Gordon H. True 1971-7-1 48322 Placer North limits of Lincoln. 48 Comment
  UCD21848  Juncus tenuis Rex Palmer 1979-7-9 N 441 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC81151  Juniperus occidentalis Miss. T. V. Raphael 1923-7-6 s.n. Placer Cisco Comment
  RSA133970  Juniperus occidentalis var. australis John H. Thomas, Hazelle A. Thomas 6149 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2134 Comment
  CAS-BOT-BC235566  Keckiella breviflora Margaret J. Williams 1984-6-24 84- 65 -1 Placer 0.3 mi in from Hwy 20, on Bowman Lake Rd. 1524 Comment
  CAS-BOT-BC235568  Keckiella breviflora L. S. Smith 1926-5-23 1830 Placer Tahoe National Forest, American River slopes below Forest Hill 548 Comment
  SBBG26864  Keckiella breviflora C. L. Hitchcock 1940-5-14 6413 Placer Meier Ranch, ca. 6 mi N of Colfax Comment
  RSA0037372  Keckiella breviflora subsp. breviflora George K. Helmkamp, Mary Alice Barnes 2013-5-3 20503 Placer Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 ) of Forest Hill 422 Comment
  JEPS15111  Keckiella breviflora var. breviflora N. French 1934-5-29 377 Placer 1 mi w Lake Spaulding; Tahoe National Forest, Colfax Quad. 1463 Comment
  CAS-BOT-BC246325  Keckiella lemmonii Kay H. Beach 1940-6-30 807 Placer Rocky terrain south of the Yuba River 2 1/2 miles west of Cisco Comment
  SCFS1134  Keckiella lemmonii E. Krimmel 2014-7-5 Placer Dry, sunny slope between Onion and Serena Creeks. Comment
  UC615337  Keckiella lemmonii Beryl O. Schreiber 1932-9-11 773 Placer Summit Comment
  CAS-BOT-BC334217  Kelloggia galioides George K. Helmkamp; E. A. Helmkamp 2012-6-19 19223 Placer Northern Sierra Nevada Mountains: Devil's Thumb Road (Deadwood Rd.), 1.2 miles S of its junction with Foresthill Road 1648 Comment
  UC147611  Kelloggia galioides Harriet A. Walker 1908-6-23 1241 Placer Blue Canyon 1432 Comment
  UC35328  Kelloggia galioides C. F. Sonne 1885-8-23 Placer Coldstream; Sierra Nevada Mountains Comment
  UC615469  Kelloggia galioides Beryl O. Schreiber 1933-7-21 892 Placer above Homewood, Tahoe (trail to Mount Ellis) Comment
  UCD22299  Kelloggia galioides Beth Lowe Corbin 1982-8-2 153 Placer Onion Creek campground. In fine, sandy, granitic soil. Perennial herb with slender rhizomes; flowers white. Mostly shade. South facing slope. Locally clumped, but uncommon. 1841 Comment
  UCR215979  Kelloggia galioides George K. Helmkamp, Amy Barnes 2009-7-12 15173 Placer Sierra Nevada Mountains Foothills, along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  SEINET12286682  Kelloggia galioides C. F. Sonne 1885-1 s.n. Placer Colstream Comment
  SACT001418  Koeleria cristata Josephine Van Ess 1977-5-12 Placer Collected about .25 mile east of Sierra College Blvd. 103.7 Comment
  SACT001428  Koeleria phleoides Josephine Van Ess 1979-5-9 Placer Collected along old railroad grade west of Highway 49 in vicinity of first trestle. Comment
  UC9456  Kumlienia hystricula H. N. Bolander 1865-4-15 4630 Placer near Butcher Ranch (Dardanelles Canyon); Dardanelles Canyon Comment
  POM186841  Lagophylla glandulosa D. D. Keck 1932-6-30 1587 Placer 0.3 miles north of Weimar P. O.; Sierra Nevada. 686 Comment
  UCR218617  Lagophylla ramosissima Ken Osborne 2010-9-12 s.n. Placer Sierra Nevada Mtns. Foothills, North Auburn, Dry Creek Rd. just west of intersection with Bluegrass Dr. 396 Comment
  SEINET7949735  Lamium amplexicaule D. G. Cooney 1960-4-13 8 Placer Auburn Comment
  HSC82237  Lasthenia californica Thomas W. Nelson 1979-4-10 4582 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  CAS-BOT-BC337941  Lasthenia californica H. N. Bolander 1865-4-11 4545 Placer Flats at Auburn Comment
  CHSC84543  Lathyrus angulatus John Dittes 2003-5-25 2003 -29 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
  RSA74393  Lathyrus lanszwertii var. lanszwertii C. L. Hitchcock 1949-6-6 19069 Placer 5 miles S of Tahoe, W side of Lake Tahoe Comment
  UC931586  Lathyrus lanszwertii var. lanszwertii C. L. Hitchcock 1949-6-6 19069 Placer ca 5 mi s Tahoe (w side of Lake Tahoe); Lake Tahoe Comment
  CDA32837  Lathyrus latifolius CDFA Staff Placer Highway 49 south of Auburn. 0 Comment
  SEINET11261857  Lathyrus nevadensis subsp. nevadensis George Helmkamp, E. A. Helmkamp 2012-5-11 18954 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.7 miles N of its junction with Forest Hill Road (Foresthill 7.5' Q.); 0 1041 Comment
  UCR235392  Lathyrus nevadensis subsp. nevadensis George K. Helmkamp, E. A. Helmkamp 2012-5-11 18954 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  SDSU4205  Lathyrus nevadensis var. nevadensis unknown 1951-5-3 Placer 823 Comment
  POM260012  Lathyrus sulphureus C. L. Hitchcock 1940-5-7 6344 Placer 1 mile west of Baxter. Comment
  HSC82271  Layia fremontii Thomas W. Nelson, Jane P. Nelson 1979-4-11 4597 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  JEPS71354  Lemna turionifera L. R. Heckard with R. Bacigalupi, T. I. Chuang 1973-7-28 3456 Placer 7 mi s of Sierra County line (w of highway 89, on n side of Sage Hen Creek); Sage Hen Creek 1889 Comment
  CAS-BOT-BC88773  Lepidium appelianum J. H. Wilson 1970-9-22 s.n. Placer Sierra Nevada. Railroad right of way, Casa Loma Recreation area. 1097 Comment
  RSA0042966  Lepidium campestre George K. Helmkamp, Mary Alice Barnes 2013-4-18 20350 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 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
  SEINET5342419  Lepidium campestre P. A. Lehenbauer 1932-6-26 1589 Placer Tahoe City. Comment
  RSA0033852  Lepidium latifolium Barbara Ertter 1999-7-9 16757 Placer Emigrant Gap Vista Point on Interstate 80. Comment
  CAS-BOT-BC89734  Lepidium latifolium S. P. Fisher 1969-10-20 s.n. Placer Along Southern Pacific Railroad tracks, 0.75 mile northeast of Loomis. Comment
  CHSC96508  Lepidium nitidum var. nitidum Lowell Ahart; Brian Williams 2007-4-13 13639 Placer On damp granite soil, 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
  HSC33421  Lepidium virginicum var. menziesii Thomas W. Nelson, James Nelson 1974-6-17 1371 Placer Dollar Point overlooking Lake Tahoe, N of Tahoe City 1585 Comment
  SEINET11261799  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17900 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
  CHSC9521  Leptosiphon ciliatus J. F. Goodwin 1971-7-11 163 Placer At end of Commonwealth Drive, 0.6 mi. from intersection with Hwy. 267, 10.6 mi. east of Truckee. 1981 Comment
  UCD22110  Leptosiphon ciliatus Rex Palmer 1979-7-12 N 622 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD75724  Leptosiphon ciliatus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5161 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
  SEINET2470937  Leptosiphon harknessii K. Christie 2010-6-30 1878 Placer Lake Tahoe Basin Management Unit (USFS); east of Brockway Summit and north of HWY 267. Along a Forest Service road that access the Tahoe Rim Trail. 2164 Comment
  SEINET11990836  Lesquerella occidentalis C. F. Sonne 1885-1 s.n. Placer mt. head of Squaw Valley Comment
  CAS-BOT-BC339573  Lessingia leptoclada Catherine Best 1979-7-7 s.n. Placer View lookout at Lower Hell Hole Reservoir 1524 Comment
  SCFS1197  Lewisia E. Krimmel 2014-4-21 Placer NFAm. Comment
  JEPS72873  Lewisia cantelovii L. R. Heckard 1973-6-18 3446 Placer 1/2 mi e site of Star Town (n fork of middle fork of American River; ca. 13 air mi ne of Foresthill); American River 1310 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
  JEPS111329  Lewisia nevadensis Steve Matson 2005-5-24 1240 b Placer Southeast of Truckee, Martis Creek Wildlife Area, 100 meters north of 267, 50 meters west of creek. 39.3033 N, 120.1211 W. Elevation 5,840 ft. 1780 Comment
  CAS-BOT-BC444552  Lewisia triphylla Kellogg 1890-6-23 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  RSA0026219  Ligusticum John F. Emmel 1997-7-25 1508 Placer Sierra Nevada, Donner Pass region; along Pacific Crest Trail south of Donner Pass, ca. 0.5 air mile SE of SE end of Lake Mary. 2287 Comment
  CAS-BOT-BC436047  Ligusticum grayi A. A. Heller 1917-8-14 12933 Placer Mt. Lincoln south of Summit valley 2499 Comment
  CDA13666  Ligusticum grayi G. F. Hrusa, J. Glazner 1997-8-3 14026 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UCD21641  Ligusticum grayi Rex Palmer 1979-7-26 N 894 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR215902  Lilium humboldtii subsp. humboldtii George K. Helmkamp, Amy Barnes 2009-7-12 15171 Placer Sierra Nevada Mountains Foothills, along Foresthill Road at the northeast end of the city of Foresthill 985 Comment
  SEINET3887477  Lilium parvum Bonnie C. Templeton 1931-7-4 1504 Placer Near Meeks Bay, Lake Tahoe.; 0 2280 Comment
  UC1505670  Lilium parvum Robert T. Clausen and Harold Trapido 1940-7-13 4895 Placer 2 mi w Lake Tahoe (along Ward Creek); Sierra Nevada, Lake Tahoe Basin 1905 Comment
  CAS-BOT-BC508487  Lilium parvum W. W. Price 1892-7-1 s.n. Placer Red Point 1371 Comment
  CAS-BOT-BC133075  Lilium washingtonianum subsp. washingtonianum G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  UCR246823  Lilium washingtonianum var. washingtonianum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16650 Placer Northern Sierra Nevada Mountains, Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill 1384 Comment
  UC372594  Limnanthes alba subsp. versicolor Marcus E. Jones, A. M. 1882-6-28 3285 Placer Emigrant Gap Comment
  POM260100  Limnanthes alba var. detonsa C. L. Hitchcock 1940-5-7 6333 Placer 1 mile west of Baxter. Comment
  RSA27967  Limnanthes alba var. detonsa C. L. Hitchcock 1940-5-7 6333 Placer 1 mile west of Baxter. Comment
  CHSC74000  Limosella acaulis Susi Urie 1998-8-19 98 -081 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD162580  Limosella acaulis Steve Matson 2003-6-16 802 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; edge of pond. 1908 Comment
  UCR253121  Linanthus bicolor George K. Helmkamp, Amy Barnes 2014-4-23 22819 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
  SEINET3163744  Linanthus bicolor G. B. Grant 1906-7-20 696 Placer Pacific Coast; Lake Tahoe 1829 Comment
  CDA15661  Linanthus ciliatus G. F. Hrusa, J. Glazner 1999-7-18 15200 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  UC572434  Linanthus ciliatus N. French 1934-6-22 483 Placer 0.5 mi w Lake Van Norden 2133 Comment
  UC23537  Linanthus filipes Bolander 1865-4-13 4567 Placer Newcastle Comment
  CDA6361  Linaria genistifolia subsp. dalmatica G. D. Barbe, W. Sauer 1984-7-25 4178 Placer Along north shore of Lake Tahoe between U.S. Coast Guard Station and Bristle Cone Street, Lake Forest. Comment
  CHSC97805  Linaria vulgaris L. P. Janeway; B. Castro 2007-9-28 9211 Placer Northern High Sierra Nevada. Along south bank of Truckee River 0.9 km southwest of the Lake Tahoe dam. 1893 Comment
  CDA6376  Linaria vulgaris J. C. Henderson, K. Stark 1971-7-16 Placer Sierra Nevada; Southern Pacific Railroad tracks, Gold Run. Comment
  UC13524  Listera convallarioides Chesnut and Drew 1889-7-1 Placer Ackerman's Comment
  CAS-BOT-BC36586  Lithocarpus densiflorus var. echinoides G. M. Noyes 1913-6-1 201 Placer Tahoe 1066 Comment
  UC1135290  Lithocarpus densiflorus var. echinoides G. T. Nordstrom 1934-6-19 116 Placer 0.5 mi ne Texas Hill; Tahoe National Forest, Colfax Quad. 1554 Comment
  CAS-BOT-BC430966  Lithophragma bolanderi W. A. Weber; Lewis S. Rose 1953-5-19 8389 Placer open grassy hills 1 mi. s. e. of Auburn 304 Comment
  UC914247  Lithophragma parviflorum var. trifoliatum Verne Grant and Alva Grant 1946-3-10 7681 Placer on Lincoln-Loomis road one-half mi e railway crossing Comment
  SEINET4671407  Lolium multiflorum A. Tiehm, H. Mozingo, M. Williams, E. McPherson 1975-1 605 Placer One mile north of Lincoln Comment
  HSC10299  Lolium perenne L. M. Malloy 1965-4-17 28 Placer Vacant lot adjacent to Hwy. 99E in Lincoln. Comment
  UCD34030  Lolium perenne Beecher Crampton 1975-9-9 9283 Placer Placer County, Alta, Hwy. 80. 1188 Comment
  UCR207854  Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14567 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  UCD66631  Lolium temulentum Beecher Crampton 1957-5-7 3981 Placer Along US Hwy. 99E, 3.2 miles N of Roseville. Comment
  UCSB32282  Lomatium caruifolium Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  UCR234211  Lomatium caruifolium var. denticulatum George K. Helmkamp, E. A. Helmkamp 2011-4-10 17169 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  CHSC79640  Lomatium dissectum var. multifidum G. F. Hrusa; J. Glazner 1999-7-18 15198 Placer Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434N, 07418E. 1920 Comment
  UC875209  Lomatium utriculatum C. L. Hitchcock 1940-5-15 6400 Placer 6 mi. n. Colfax Comment
  UCSB32286  Lomatium utriculatum Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  POM68210  Lonicera conjugialis Marcus E. Jones 1900-7-26 s.n. Placer Blue Canyon. 1463 Comment
  CAS-BOT-BC240669  Lonicera interrupta Marcus E. Jones 1882-7-3 s.n. Placer Colfax Comment
  RSA0037369  Lotus argophyllus var. fremontii George K. Helmkamp, Mary Alice Barnes 2013-5-3 20502 Placer Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 ) of Forest Hill 422 Comment
  CDA25014  Lotus crassifolius J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UC1129035  Lotus crassifolius var. crassifolius N. French 1934-5-28 373 Placer 1.5 mi w Black Mt.; Tahoe National Forest, Colfax Quad. 1767 Comment
  UC148632  Lotus incanus Katharine Brandegee 1908-6 Placer Cape Horn 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
  UC1129105  Lotus oblongifolius var. oblongifolius N. French 1934-7-7 500 Placer Texas Hill Tahoe National Forest, Colfax Quad. 1524 Comment
  SEINET9325113  Lotus oblongifolius var. oblongifolius Unknown 1972-7-26 8855 Placer Ca 1 mi W of Cisco Grove on I-80, moist rdbanks at base and upslope UC Davis Herbarium Comment
  SEINET3694462  Lotus pinnatus Marcus E. Jones 1882-5-27 3282 Placer Emigrant Gap Comment
  UCR206836  Lotus pinnatus George K. Helmkamp, E. A. Helmkamp 2009-7-16 15210 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  JEPS102594  Lotus purshianus var. purshianus Lowell Ahart 2001-10-10 9346 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
  JEPS55783  Lotus purshianus var. purshianus W. H. Shockley Jun 1886 Placer Auburn Comment
  UCR120497  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5042 B Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCR170821  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2005-9-30 9946 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR233390  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18170 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.4 miles west of Robinson Flat 2041 Comment
  UC1129126  Lotus scoparius N. French, R. Clar 1933-6-6 75 Placer near Rattlesnake Bridge (locally near the American River); Sacramento Quad. 609 Comment
  UCR194943  Lotus scoparius var. scoparius George K. Helmkamp, E. A. Helmkamp 2007-5-18 12036 Placer Northern Sierra Nevada Mountains Foothills, along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  RSA40338  Lotus unifoliolatus L. S. Rose 1946-6-23 46185 Placer Rainbow, north of Cisco. 1738 Comment
  SEINET5327610  Lupinus albicaulis A. Allen 1950-5-20 35 Placer 10 miles west of Auburn on Grass Valley road. 488 Comment
  JEPS64905  Lupinus albifrons R. E. Arp 1932-4-17 2 Placer Region of Auburn 609 Comment
  SEINET5327612  Lupinus albifrons K. Klein 1976-3-13 s.n. Placer South of Auburn along the North fork of the American River. 290 Comment
  UCD106274  Lupinus albifrons var. collinus G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11713 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road at the junction with the unnamed road to Lake Clementine. 139 Comment
  RSA0028923  Lupinus arbustus John F. Emmel 1997-7-25 1509 Placer Sierra Nevada, Donner Pass area. West slope of Mt. Judah. Section 21 and Section 28. 2409 Comment
  SJSU10708  Lupinus arbustus H. T. Harvey 1958-8-19 Placer Sugar Bowl, 1 mi N of Donner Summit 2164 Comment
  UCR233387  Lupinus argenteus var. argenteus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18162 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill 1402 Comment
  JEPS65342  Lupinus argenteus var. meionanthus C. F. Sonne 1886-8-16 52 Placer mts above Coldstream (near Tinker Knob); Sierra Nevada Mountains, mts above Coldstream 2438 Comment
  RSA308742  Lupinus aridus Betty J. Jorgensen 1944-7-23 526 Placer Near Soda Springs. Comment
  CDA12003  Lupinus benthamii G. F. Hrusa 1995-5-2 12184 Placer Sierra Nevada; approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  RSA794937  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2011-4-1 17115 Placer along CA-193 (Lincoln-New Castle Hwy), 0.4 mile west of Gold Hill Road, 5.4 miles (air) east of Lincoln 108 Comment
  UCR194944  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2007-5-18 12040 Placer Northern Sierra Nevada Mountains Foothills, along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  UCR208610  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2009-5-7 14626 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
  SD241817  Lupinus bicolor G. K Helmkamp, E. A. Helmkamp 2010-4-17 15886 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 4.2 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 359 Comment
  CDA32821  Lupinus bicolor William J. Ferlatte 1977-3-21 s. n. Placer Rocklin: Corner of China Garden Rd. & Rustic Hills Dr., next to Hwy 80 0 Comment
  RSA43813  Lupinus densiflorus var. lacteus D. F. Howe 1948-5-21 s.n. Placer [Unspecified] 457 Comment
  RSA414802  Lupinus latifolius subsp. latifolius E. J. Koaus 1924-7-10 s.n. Placer Lake Tahoe. Comment
  SD6066  Lupinus laxiflorus unknown Jun/Jul 1914 Placer Cisco Comment
  CDA15939  Lupinus lepidus var. confertus G. F. Hrusa, J. Glazner 1999-7-17 15148 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 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
  CHSC74220  Lupinus lepidus var. sellulus Susi Urie 1998-9-4 98 -269 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  RSA413787  Lupinus lyallii var. lyallii Marcus E. Jones 1930-7-10 25457 Placer Lake Tahoe Comment
  SEINET11261560  Lupinus microcarpus var. densiflorus George Helmkamp, E. A. Helmkamp 2012-5-5 18921 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
  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
  SD43642  Lupinus microcarpus var. densiflorus Darley F. Howe 1948-5-21 1860 Placer Placer County 456 Comment
  CAS-BOT-BC226940  Lupinus nanus George K. Helmkamp; E. A. Helmkamp 2011-4-10 17171 Placer Sacramento Valley: along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  CHSC114667  Lupinus nanus CDFA Staff 1976-6-24 Placer Nute Ranch, near Nute Road. Comment
  SD237439  Lupinus nanus G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15914 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, 5.6 miles south of junction with CA-49 at Pilot Hill, 0.65 mil north of the American River crossing (Pilot Hill 7.5'Q) 199 Comment
  SD237441  Lupinus nanus G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15932 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5'Q) 156 Comment
  UCD109016  Lupinus nanus G. K. Helmkamp; Elizabeth Helmkamp 2006-4-6 10131 Placer Northern Sierra Nevada Foothills: NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin. 122 Comment
  UCR194968  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2007-5-18 11999 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.3 miles northeast of the bridge over the junction of North and West Forks of the American River 485 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
  UCR246785  Lupinus nanus CDFA Staff 2006-1 s.n. Placer Nute Ranch, near Nute Road 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
  SEINET7249048  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-1 Placer Comment
  UCR250270  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
  UC1129684  Lupinus rivularis B. Bolt 1934-8-22 193 Placer 1 mi se Johnson's Monument; Tahoe National Forest, Truckee Quad. Comment
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Jul 19 2018
  RSA414422  Lupinus sellulus subsp. sellulus Fay A. MacFadden 1934-8-10 12855 Placer Cisco Comment
  UCD144415  Lupinus stiversii G. F. Hrusa 1995-5-20 12183 Placer Approximately 1 km on Mosquito Ridge Rd past Gorman Ranch Road intersection. 700 Comment
  SEINET10490267  Lupinus superbus var. bernardinus L. S. Smith 1938-7-22 Smith s.n. Placer Tahoe National Forest. Squaw Valley. Comment
  CHSC96780  Luzula comosa var. laxa G. F. Hrusa; A. Juncosa, J. Hunter 1991-7-15 8531 Ab Placer Lake Tahoe. N side of upper Ward Valley, 4 m SW of Tahoe City. 2100 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
  UCD142143  Luzula divaricata A. A. Heller 1917-8-14 12930 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  CDA33224  Luzula divaricata Jim Jokerst 1986-7-13 2724 Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, in Sheet Valley. Comment
  UCR218130  Madia elegans subsp. vernalis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16382 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  CAS-BOT-BC344463  Madia exigua David D. Keck 1933-5-31 2427 Placer Just south of Auburn, on road to Roseville 305 Comment
  JEPS103272  Madia glomerata Lowell Ahart 2002-7-22 9878 Placer 50 yards NE 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
  JEPS126350  Madia glomerata Steve Matson 1998-7-28 353 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt roas extension of North Ave. at junction with west fork of Snow Creek. Comment
  CAS-BOT-BC343243  Madia gracilis H. M. Hall 1910-6-26 8719 Placer Cisco, west slope Sierra Nevada 1804 Comment
  UCD134280  Madia gracilis Eric Brenner; John Hunter 1996-5-26 2 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  CAS-BOT-BC343239  Madia gracilis David D. Keck 1932-6-30 1583 a Placer Ca. 4 miles S. of Colfax 640 Comment
  POM29897  Madia minima Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UCD139061  Maianthemum racemosum Rolf Y. Berg 1963-7-9 s.n. Placer State Highway 20, ca. 2 miles west of junction with U.S. Highway 40 at Emigrant Gap. Comment
  POM33073  Malacothrix floccifera Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  UCR171033  Marah fabacea George K. Helmkamp, E. A. Helmkamp 2006-2-24 10067 Placer Sacramento Valley; edge of Sierra Nevada Foothills, Junction of Clark Tunnel Road and Calif. Highway 193, east of Lincoln 113 Comment
  SEINET7950945  Marrubium vulgare D. F. Erskine 1941-4-27 4 Placer 1 mile E of Roseville. 76 Comment
  SDSU5045  Medicago arabica D. F. Howe 1951-5-2 2113 Placer 457 Comment
  UCD22011  Medicago lupulina Beth Lowe Corbin 1982-8-13 347 Placer 1/2 mile west of The Cedars. In damp, fine, sandy, soil in meadow. Flowers yellow. Mostly sun. West facing slope, 10% incline. Common. 1722 Comment
  RSA782371  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2010-4-23 15913 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  SD255747  Medicago polymorpha George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22532 Placer Sierra Nevada Mountains Foothills; North Auburn, corner of Bell Road and Olympic Way, 0.7 mile west of CA 49. 433 Comment
  UCR207850  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2009-4-22 14558 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 0.8 mile east of its junction with CA-49 and the North and Middle Forks of the American River 277 Comment
  SACT001476  Melica aristata Michael Baad 1977-6-21 Placer Cut over bald at branch grasses and vetch 1097.0 Comment
  UCD67016  Melica aristata R. Tofsrud 1951-7-1 Placer Hwy. 40, above Baxter, 3/4 mile below drinking station. Comment
  SACT001500  Melica californica Josephine Van Ess 1974-5-5 Placer collected about .5 mile north of county line in area where Linda Creek forms a narrow steep sided ravine. Lightly shaded bank. 91.5 Comment
  UCD87183  Melica californica B. Riley 1948-5-30 s.n. Placer American River - above Auburn. Comment
  UCR146663  Melica californica Beecher Crampton 1955-6-15 2877 Placer Sierra Nevada Mountains, Bunch Canyon, 2 miles south of U.S. Highway 40, on Forest Hills Road 518 Comment
  SACT001502  Melica californica Josephine Van Ess 1980-5-7 Placer Collected about 1 mile east of highway 49. roadside serpentine area. 4146.0 Comment
  SACT001495  Melica californica var. nevadensis Michael Baad 1977-6-8 Placer On Ralston Ridge Road. 487.68 Comment
  CAS-BOT-BC282062  Melica fugax 1870-6-17 s.n. Placer Cisco, Sierra Nevada Mts Comment
  UCD87269  Melica fugax Beecher Crampton 1958-6-24 4960 Placer Eastern area of Martis Valley, ca. 4 miles southeast of Truckee. Comment
  CAS-BOT-BC282114  Melica geyeri Marcus E. Jones 1982-6-30 3553 Placer Emigrant Gap Comment
  CDA19556  Melica geyeri M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 240 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. S 1066 Comment
  CAS-BOT-BC281294  Melica harfordii Saichi Kawahara 1969-5-25 890 Placer N of old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  SD247288  Melica harfordii George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20819 Placer Northern Sierra Nevada Moutains Foothills: Yankee Jim's Road, 3.6 mile northwest of its junction with Forest Hill Road (Forest Hill 7.5'Q) 768 Comment
  UCR146664  Melica harfordii Beecher Crampton 1955-6-15 2884 Placer Sierra Nevada Mountains, Bunch Canyon, 2 miles south of U.S. Highway 40, on Forest Hills Road 518 Comment
Read comments
Oct 11 2010
  SACT001530  Melica stricta Michael Baad 1983-9-3 Placer From west slope to saddle between Mt Judah and Mt Lincoln. 2529.0 Comment
  SACT001540  Melica torreyana Michael Baad 1983-4-17 Placer 411.48 Comment
  UCR253573  Melica torreyana George K. Helmkamp, Amy Barnes 2014-4-23 22799 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
  SACT001551  Melica torreyana Josephine Van Ess 1978-5-16 Placer lightly shaded slope 378.0 Comment
  UCR146868  Melilotus albus Beecher Crampton 1972-7-26 8848 Placer Sierra Nevada Mountains, Carpenter Flat east of Emigrant Gap, above Laings Road 1616 Comment
  JEPS127471  Mentzelia dispersa Steve Matson 1998-6-23 301 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Snow Creek. Comment
  UC872465  Mentzelia dispersa Alice Eastwood Jun 15 1912-Jun 19 1912 683 Placer Lake Tahoe Region, Deer Park Comment
  UCD150573  Mentzelia dispersa James A. Neilson Jr. 1970-6-17 1560 Placer Tahoe Basin, 2 mi. NE of Tahoe City. 1914 Comment
  JEPS127556  Micranthes bryophora Steve Matson 2004-8-1 1081 Placer nSNH: Tahoe Basin west shore; Blackwood Canyon, 1/2 mile SE of Barker Pass. Comment
  CAS-BOT-BC428875  Micranthes californica G. L. Stebbins 1970-4-4 6988 Placer Shrittail [Shirttail] Canyon, south of North Fork, American River, along road from Colfax to Forest Hill [Foresthill]. 365 Comment
  UCD75821  Micranthes nidifica Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5176 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 by creek. 2145 Comment
  CHSC85733  Micranthes odontoloma G. F. Hrusa; J. Glazner 2001-7-15 15937 Placer Northern Sierra Nevada. On N face of Crows Nest Pk. immed. W of Sugarbowl. 2316 Comment
  UCD43912  Micranthes oregana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1278 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC349324  Microseris nutans H. N. Bolander; Keller, M. D. & Co. No date on label s.n. Placer Cisco Comment
  JEPS111245  Microseris nutans Steve Matson 2005-6-12 1268 Placer Martis Valley, ca 3 miles southeast of Truckee, west of Northstar golfcourse and north of subdivision; 100 meters north of fencline; 39.2944 N, 120.1261 W; Elevation 5850 ft. 1783 Comment
  UC829637  Microseris nutans Lewis S. Rose 1941-7-12 41306 Placer Chambers Lodge, McKinney Lake Tahoe 1920 Comment
  POM219151  Microseris nutans G. W. Fetters 1929-6-29 s.n. Placer Pomin's, Lake Tahoe Comment
  SEINET11602012 Image available Microseris nutans M. J. Williams 1985-7-6 85- 63 -14 Placer Pacific Crest Trail between old and new Donner Summits. Sierra Nevada. Comment
  RSA481909  Microsteris gracilis subsp. gracilis Aaron Liston 1988-3-14 696 -2 Placer 3.5 miles N of Auburn; Dry Creek Road. 450 Comment
  UCD122166  Mimulus angustatus Kenneth T. Stearns 1975-5-24 s.n. Placer Todd Valley Estates, south field at end of Redwood Court. 822 Comment
  POM43872  Mimulus aurantiacus var. grandiflorus Marcus E. Jones 1882-6-28 3288 Placer Emigrant Gap. Comment
  UC445119  Mimulus aurantiacus var. grandiflorus C. F. Sonne 1891-6-17 4268 Placer near Colfax (at Cape Horn) Comment
  UC886165  Mimulus aurantiacus var. grandiflorus Marcus E. Jones, A. M. 1882-6-28 3288 Placer Emigrant Gap Comment
  UCD122310  Mimulus aurantiacus var. grandiflorus A. S. Crafts 1926-5-1 1950 Placer American River Canyon. Comment
  RSA550839  Mimulus aurantiacus var. grandiflorus David M. Thompson 1992-6-9 1124 Placer 13.4 mi SE of Foresthill Road ( and town of Foresthill) along Mosquito Ridge Road. 747 Comment
  CDA16996  Mimulus bicolor G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16049 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  POM260307  Mimulus bicolor C. L. Hitchcock 1940-5-14 6398 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UC886108  Mimulus bicolor C. L. Hitchcock 1940-5-14 6398 Placer ca. 6 mi n Colfax; Meier Ranch 762 Comment
  UC980571  Mimulus bicolor Milo S. Baker 1936-6-22 8418 Placer vicinity Gold Run (Hwy. 40) Comment
  RSA122638  Mimulus breweri B. Bolt 1934-7-11 97 Placer Cascade Lakes, Truckee 2043 Comment
  SEINET5796510 Image available Mimulus glutinosus Marcus E. Jones 1882-1 Placer Emigrant Gap.; 39.3004 -120.6715 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
  UCR234212  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2011-4-10 17170 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  POM260455  Mimulus layneae C. L. Hitchcock 1940-5-15 6406 Placer 6 miles north of Colfax. 762 Comment
  CDA41698  Mimulus leptaleus S. E. Schoenig 1998-8-29 98 84 a Placer Adjacent to trail Glacier Lake, 0.5 miles east of intersection with Sand Ridge Trail. Comment
  SCFS11529126  Mimulus lewisii E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Comment
  UC1585911  Mimulus pardalis Barbara Ertter with David Thompson 1989-4-8 8173 Placer ca. 2 mi from I-80 (Iowa Creek Rd, near entrance to Auburn State Recreation Area, at creek crossing) 518 Comment
  UC124404  Mimulus tilingii T. S. Brandegee Sept. 1888 Placer Donner Comment
  HSC33457  Mimulus torreyi Thomas W. Nelson, James Nelson 1974-6-17 1352 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  UCD40954  Mimulus torreyi Cathy Hendel 1973-6-9 132 Placer 6.3 miles on Ice House Road from Hwy 50. Comment
  SEINET12765191  Minuartia californica Barbara Ertter 1991-3-29 9719 Placer 2-3 miles south of Lincoln.; 0 46 Comment
  UCD98271  Minuartia douglasii Gurdev S. Khush 1959-5-10 18 Placer US Highway 40, 1.5 miles nortehast of Clipper Gap. 426 Comment
  CAS-BOT-BC481926  Minuartia rubella John H. Thomas; Hazelle A. Thomas 1956-7-21 6182 Placer Sierra Nevada, vicinity of Donner Pass, about 80 mi NE of Sacramento 2377 Comment
  RSA463237  Monardella odoratissima J. H. Nishida 1985-7-10 776 Placer Homewood. 1829 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
  SD243166  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2011-8-26 18168 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill. 2020 Comment
  UC883618  Monardella odoratissima subsp. pallida P. A. Lebenbauer 1934-7-8 Placer Cisco, 10 miles west of Donner Summit Comment
  RSA401652B  Monardella odoratissima subsp. pallida Julian P. Donahue 1976-7-4 s.n. Placer Blackwood Canyon, approx. 5 miles SW of Tahoe City 2134 Comment
  SEINET5333350  Monardella odoratissima subsp. pallida H. A. Walker 1908-7-25 1389 Placer Cisco 1811 Comment
  CAS-BOT-BC444734  Montia chamissoi Alice Eastwood 1912-6-15 438 Placer Tahoe City. Lake Tahoe Region Comment
  UC851964  Montia chamissoi Marcus E. Jones, A. M. 1882-5-28 2628 Placer Emigrant Gap Comment
  JEPS103487  Muhlenbergia filiformis Lowell Ahart 2002-7-22 9905 Placer On the S side 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. 1773 Comment
  UC569416  Muhlenbergia filiformis H. S. Yates 1936-8-9 5988 Placer two mi sw Martis Peak; Truckee Quadrangle 2286 Comment
  UCD42869  Muhlenbergia filiformis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 236 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD75748  Muhlenbergia filiformis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5214 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. 2270 Comment
  UCD86596  Muhlenbergia filiformis Beecher Crampton 1955-7-13 2986 Placer Placer County, 3.5 miles east of Baxter, mountain slopes above U.S. Highway 40. Comment
  UCD86707  Muhlenbergia filiformis G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrendorfer, J. Hunziker, 1952-7-20 5126 Placer 7 miles east of Iowa Hill near Forbes camp ground on Upper Shirttail Creek. 1158 Comment
  UCD149725  Muhlenbergia montana G. Ledyard Stebbins 1977-7-9 7768 Placer Along trail from McKinistry Lake to Rubicon River. (Exact location unknown. Coordinates estimated by label maker.) 1767 Comment
  CHSC68075  Muhlenbergia richardsonis James D. Jokerst 1986-7-12 2690 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
  UCD44698  Muhlenbergia richardsonis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2064 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD33558  Muhlenbergia rigens Beecher Crampton 1969-11-13 8530 Placer Placer County, Weimar on Interstate 80. 685 Comment
  SD247365  Myosotis scorpioides George K. Helmkamp, E. A. Helmkamp 2012-6-19 19248 Placer Northern Sierra Nevada Mountains; Robinson's Flat,27 miles east of Forest Hill at the end of Forest Hill Road. 2040 Comment
  UCD102563  Myriophyllum spicatum John D. Madsen; David F. Spencer 1996-4-2 s.n. Placer From Truckee River, adjacent to California Highway 89, approximately 150 m downstream of the damn at Tahoe City, California. Comment
  UC128216  Nama lobbii Miss Harriet A. Walker 1908-7-26 1490 Placer Cisco 1828 Comment
  UCR216030  Nama lobbii George K. Helmkamp, Amy Barnes 2009-7-12 15186 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  UCR237435  Narcissus poeticus George K. Helmkamp, E. A. Helmkamp 2012-2-23 18574 Placer Sacramento Valley, Nicolaus Road, 0.4 mile west of South Dowd Road, west of Lincoln 45 Comment
  CAS-BOT-BC438834  Nasturtium officinale George K. Helmkamp; Mary Alice Barnes 2013-5-3 20501 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
  RSA0037370  Nasturtium officinale George K. Helmkamp, Mary Alice Barnes 2013-5-3 20501 Placer Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 ) of Forest Hill 422 Comment
  CHSC79341  Navarretia Beecher Crampton 1977-7-2 9511 Placer 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek road. Comment
  CHSC74111  Navarretia capillaris Susi Urie 1998-8-11 98 -011 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
  UCD21978  Navarretia capillaris Beth Lowe Corbin 1982-8-11 326 Placer 1 1/2 mile WNW of Onion Creek campground. In moist, fine, sandy soil. Meadowy drainage in White Fir forest. Flowers white, anthers blue. Mostly shade. SE facing slope, 20% incline. Locally frequent. 1950 Comment
  UCD44423  Navarretia capillaris C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1789 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  JEPS71473  Navarretia divaricata Gladys L. Smith 1972-6-20 3265 a Placer Wark Peak, just below summit Ward Peak 2590 Comment
  POM75137  Navarretia divaricata Marcus E. Jones 1882-6-30 10586 Placer Emigrant Gap. Comment
  CDA15975  Navarretia divaricata subsp. divaricata G. F. Hrusa, J. Glazner 1999-7-17 15130 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS103305  Navarretia divaricata subsp. divaricata Lowell Ahart 2002-7-22 9896 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
  UC1124094  Navarretia divaricata subsp. divaricata B. Bolt 1934-6-19 149 Placer Tadpole Spring Tahoe National Forest, Colfax Quad. 1950 Comment
  UC990914  Navarretia eriocephala D. F. Howe 1951-5-2 Placer Comment
  POM65689  Navarretia filicaulis Katherine Brandegee 1908-07 s.n. Placer Cape Horn. Comment
  SD61093  Navarretia filicaulis Darley F. Howe 1964-7-26 3870 Placer Auburn 366 Comment
  UC908642  Navarretia intertexta subsp. propinqua Herbert L. Mason Placer n of Lake Tahoe; Squaw Creek Valley 1889 Comment
  UC106886  Navarretia leptalea T. S. Brandegee 1889-7-6 Placer Alta Calif. Comment
Read comments
Aug 13 2007
  SCFS1238  Navarretia leptalea E. Krimmel 2013-6-29 Placer North Fork American River, Painted Rock Trail, S. side top meadow Comment
  CHSC74112  Navarretia leptalea subsp. bicolor Susi Urie 1998-8-11 98 -010 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  JEPS71335  Navarretia leptalea subsp. bicolor Gladys L. Smith 1972-6-18 3157 Placer open meadow Alpine Meadows 2072 Comment
  UC398627  Navarretia leptalea subsp. leptalea A. A. Heller 1927-8-15 14445 Placer near Yuba River (Cisco); near Yuba River, Cisco Comment
  CHSC68021  Navarretia leucocephala James D. Jokerst 1986-4-14 2621 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  UC718537  Navarretia leucocephala Carl B. Wolf 1937-5-12 Placer 1 mi n Lincoln; Sacramento Valley 45 Comment
  SD121552  Navarretia leucocephala Jack L. Reveal 1987-5-22 2877 Placer vernal pools; Pleasant Grove Creek on Stanford Ranch northwest of Rocklin 79 Comment
  SD114166  Navarretia nigelliformis Darley F. Howe 1951-5-2 2110 Placer 4 mi. north of Auburn 456 Comment
  CHSC84507  Navarretia nigelliformis subsp. nigelliformis John Dittes 2003-5-25 2003 -31 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.6 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 45 Comment
  UCD34170  Navarretia pubescens Beecher Crampton 1977-7-2 9511 Placer Placer County, 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek road. Comment
  UCD21175  Navarretia tagetina Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-6-5 350 Placer Orchard Creek Mitigation Bank. UTMs 10S0646175; 4300069. Comment
  UC909061  Navarretia tagetina Annetta Carter 1945-11-4 1737 Placer 3.5 mi nw Roseville Comment
  UCD48634  Navarretia tagetina Anneta Carter 1945-11-4 1737 Placer Permanent pool between highway and railroad enbankment; 3.5 miles northwest of Roseville, Placer County. Comment
  UCSB28392  Navarretia tagetina Hardham, Clare 1974-5-20 Placer Outskirts of Lincoln; (tile factory) Rt. 65 Comment
  UC133851  Navarretia viscidula Katharine Brandegee 1883-1 Placer near Newcastle Comment
  UC112909  Nemacladus capillaris Katharine Brandegee 1908-7-18 Placer Cape Horn Comment
  JEPS126331  Nemophila heterophylla Steve Matson 2006-4-23 1600 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  SEINET5521021  Nemophila menziesii A. Beninghoff 1930-3-15 2684 Placer 5 miles east of Lincoln Comment
  SD234422  Nemophila parviflora var. austiniae G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12192 Placer Northern Sierra Nevada Foothills: Mosquito Ridge Road, 13.5 miles E of its junction with Forest Hill Road in Foressthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River (Michigan Bluff 7.5' Q) 800 Comment
  UCR208279  Nemophila parviflora var. austiniae George K. Helmkamp, E. A. Helmkamp 2009-5-7 14633 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  RSA21253  Nemophila pedunculata Carl B. Wolf 1937-3-30 8367 Placer Sacramento Valley, 6 miles N of Roseville on road to Lincoln. 49 Comment
  UC24194  Nemophila spatulata C. J. Fox Jr. July 1895 Placer Deer Park Inn 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
  RSA76003  Nemophila spatulata Lincoln Constance 1938-6-6 2279 Placer 6.5 miles west of Cisco, Sierra Nevada. 1585 Comment
  SEINET5536436  Nemophila spatulata L. R. Miller 1936-5-19 s.n. Placer Above Zephyr Cove, Lake Tahoe Comment
  UC606960  Nemophila spatulata L. Constance 1938-6-6 2279 Placer 6.5 mi w Cisco (Sierra Nevada); , w of Cisco 1584 Comment
  UC4148  Odontostomum hartwegii C. F. Sonne 1891-5-17 14 Placer Auburn Sierra Nevada Mts., Auburn Comment
  SEINET5345645  Oenothera elata B. M. Cunningham 1960-5-6 s.n. Placer Twenty miles east of Auburn on highway 40 freeway 762 Comment
  JEPS71554  Oreostemma alpigenum var. andersonii Gladys L. Smith 1972-8-25 3430 Placer meadow below cirque, north face Granite Chief Granite Chief 2575 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
  UCD162600  Orogenia fusiformis Steve Matson 2009-5-9 2200 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, south of Martis Creek; about 1 kilometer SW of Parking area. 1780 Comment
  CAS-BOT-BC458057  Orthilia secunda C. F. Sonne 1885-10-11 209 Placer Sierra Nevada Mts: Summit at Lake Angeline Comment
  CDA16811  Orthocarpus cuspidatus G. F. Hrusa, J. Glazner 2001-7-15 15951 Placer Sierra Nevada; near summit of Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  RSA20883  Orthocarpus erianthus Carl B. Wolf 1937-3-30 8245 Placer Sacramento Valley, 4.8 miles east of Lincoln on Penryn Road. 91 Comment
  POM44253  Orthocarpus lacerus Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  RSA790860  Osmorhiza George K. Helmkamp, E. Helmkamp 2012-5-11 18947 Placer Finning Mill Road, 1.2 mi north of its junction with Forest Hill Road. 1104 Comment
  UCD21639  Osmorhiza berteroi Rex Palmer 1979-6-20 N 308 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA15653  Osmorhiza chilensis G. F. Hrusa, J. Glazner 1999-7-18 15188 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  UCR191057  Osmorhiza chilensis George K. Helmkamp, E. A. Helmkamp 2007-5-23 12049 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  CHSC79644  Osmorhiza occidentalis G. F. Hrusa; J. Glazner 1999-7-18 15238 Placer Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S 43434 N, 07418 E. 1889 Comment
  UC1058498  Osmorhiza occidentalis Peter H. Raven 1958-6-14 13208 Placer Donner Pass; w side 2164 Comment
  UCD43287  Osmorhiza occidentalis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 655 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD22103  Paeonia brownii Rex Palmer 1979-6-20 N 347 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD37739  Paspalum dilatatum Beecher Crampton 1961-9-27 5996 Placer Placer County, 1 mile west of Auburn, along U.S. Highway 40. Comment
  UCD88755  Paspalum dilatatum Collector Unknown 1939-6-23 s.n. Placer Catlin, Auburn. Comment
  UCR259868  Paspalum dilatatum George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22469 Placer Sacramento Valley, West Wise Road just east of the junction with California Lane, north of Lincoln 56 Comment
  UC791002  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mi n Lincoln 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
  UCR259877  Paspalum urvillei George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22466 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
  SEINET4670718  Paspalum urvillei B. Crampton 1965-9-13 7499 Placer Gold Run, Interstate Hwy 80 975 Comment
  UCD18261  Pedicularis attollens E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 473 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
  RSA401935  Pedicularis attollens Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
  CHSC11093  Pedicularis racemosa Lowell Ahart 1968-8-11 Placer French meadows. 1524 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
  JEPS111208  Pedicularis semibarbata Steve Matson 2005-7-4 1364 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
  SEINET4560767  Pedicularis semibarbata George K. Helmkamp, E. A. Helmkamp 2010-1 16659 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill. 2041 Comment
  UCR209726  Pedicularis semibarbata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15454 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 21.7 miles northeast of the city of Foresthill 1701 Comment
  CAS-BOT-BC69377  Pellaea breweri Miss. M. E. B. Norton s.n. Placer Deer Park Springs, Sierra Nevada 2133 Comment
  CAS-BOT-BC67605  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
  SEINET3153904  Pellaea bridgesii G. B. Grant 1906-7-20 919 Placer Lake Tahoe, Sierra Nevada Mts. 2438 Comment
  CAS-BOT-BC67625  Pellaea mucronata Saichi Kawahara 1969-5-24 832 Placer Cape Horn, overlooking north fork of Americna river, Colfax-Iowa Hill Road, between Dinner Tree & Windy Point 585 Comment
  UC887118  Penstemon Marcus E. Jones, A. M. 1882-7-1 3434 Placer Emigrant Gap Comment
  JEPS16351  Penstemon azureus Peter H. Raven 1956-8-4 10001 Placer dirt road n Emigrant Gap; Sierra Nevada, n of Emigrant Gap 1493 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
  RSA0093629  Penstemon azureus subsp. angustissimus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19208 Placer Northern Sierra Nevada Mountains Foothills. Mosquito Ridge Road, 2.7 miles south of its junction with Foresthill Road. 820 Comment
  POM44449  Penstemon azureus subsp. azureus H. M. Hall 1910-6-19 8702 Placer Cisco. 1800 Comment
  JEPS111301  Penstemon azureus var. azureus Steve Matson 2005-8-7 1452 Placer Pole Creek, Truckee River watershed, southwest of Truckee, north of Squaw Valley. 1.8 km NW of Silver Peak at northeast corner of flatter area near Bradley Hut; 39.2312 N, 120.2615 W; elev. 7,700 ft. 2346 Comment
  UC750576  Penstemon azureus var. azureus Lewis S. Rose 1946-6-23 46172 Placer n Cisco; Rainbow, n of Cisco 1737 Comment
  RSA780095  Penstemon breviflorus subsp. glabrisepalus Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  UC565903  Penstemon deustus N. French 1934-6-22 439 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle Comment
  CAS-BOT-BC264483  Penstemon heterodoxus var. heterodoxus John Thomas Howell 1943-7-22 18705 Placer Summit Valley Comment
  UCD124279  Penstemon laetus Beecher Crampton 1969-7-1 8487 Placer 1/4 mile west Emigrant Gap P.O. Interstate Hwy. 80 eastbound. Comment
  SEINET3835855 Image available Penstemon laetus subsp. leptosepalus Marcus E. Jones 1882-7-1 3434 Placer Emigrant Gap Comment
  CAS-BOT-BC248296  Penstemon laetus var. laetus George K. Helmkamp; E. A. Helmkamp 2011-8-26 18160 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill 1402 Comment
  NY951329  Penstemon neotericus C. A. Wellner 1984-6-21 3065 Placer 1524 Comment
  UCD75952  Penstemon newberryi Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5193 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. 2161 Comment
  CAS-BOT-BC239282  Penstemon newberryi var. berryi Geo. B. Grant 1906-7-15 s.n. Placer About Lake Tahoe Comment
  UC1341757  Penstemon newberryi var. newberryi Noel H. Holmgren, James L. Reveal 1966-7-19 2907 Placer 1 1/2 mi E of Norden (along old US 40, S of Hwy) Comment
  CHSC91784  Penstemon roezlii G. F. Hrusa; J. Glazner 2000-7-1 15622 Placer Northern Sierra Nevada. Summit Village, Truckee. Along Donner Creek adjacent to Hwy 89. UTM: 10S, 43571 N, 07411 E. 1844 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
  UCR209729  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2009-8-12 15452 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 21.7 miles northeast of the city of Foresthill 1701 Comment
  POM98174  Penstemon roezlii E. Keyes 1920-08 s.n. Placer Lake Tahoe. Comment
Read comments
Jan 1 2016
  CDA15986  Penstemon rydbergii var. oreocharis G. F. Hrusa, J. Glazner 1999-7-17 15166 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC74003  Penstemon rydbergii var. oreocharis Susi Urie 1998-9-1 98 -198 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  CHSC74130  Penstemon rydbergii var. oreocharis Susi Urie 1998-8-18 98 -065 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  RSA671810  Penstemon rydbergii var. oreocharis M. V. Hood 1939-7-4 s.n. Placer Upper Soda Springs. Comment
  UC887257  Penstemon rydbergii var. oreocharis Isabel McCracken 1938-7-2 Placer Dutch Flat Comment
  RSA401883  Penstemon speciosus Bonnie C. Templeton 1931-7-5 1510 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  SEINET12808748  Penstemon speciosus C. E. Freeman 1993-1 s.n. Placer Hwy 267 from Truckee to Lake Tahoe, 0.5 mi N of Brockway Summit, 7100 ft. 2187 Comment
  SEINET9303988  Pentagramma triangularis Unknown 2009-5-7 14609 Placer Sierra Nevada Mountains Foothills Comment
  SEINET6626626  Pentagramma triangularis P. L. Henderson 1975-9-21 41 Placer Auburn, middle and north Fork of American River 274 Comment
  UCD137789  Pentagramma triangularis subsp. triangularis Eric Brenner; John Hunter 1996-5-26 5 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  SCFS1219  Perideridia E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top meadow, 7500-ft. Comment
  UC1123110  Perideridia bolanderi subsp. bolanderi N. French 1934-6-22 472 Placer 1/2 mi w Lake Van Norden; Tahoe N. F., Truckee Quadrangle 2133 Comment
  JEPS8691  Perideridia lemmonii Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunziker, D. Zohary, F. Ehrendorfer & H. Stutz 1952-7-20 3888 Placer s slope just below summit of serpentine hill above Shirttail Creek (7 mi e of Iowa Hill) 1188 Comment
  UCD75939  Perideridia parishii Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5177 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 by creek. 2145 Comment
  UCD127956  Perideridia parishii subsp. latifolia F. A. MacFadden 1934-7-2 s.n. Placer American River, 1/2 mile east of Rawhide Mine. Comment
  SEINET3924413  Persicaria wallichii Beth Lowe Corbin 1982-8-3 188 Placer Onion Creek campground.; 0 1841 Comment
  SD237399  Petrorhagia dubia G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15934 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5'Q) 156 Comment
  UC1563726  Petrorhagia dubia Barbara Ertter with David Thompson 1989-4-8 8158 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
  UC1585890  Petrorhagia dubia Barbara Ertter with David Thompson 1989-4-9 8187 Placer ca 8 airmi ne Auburn (Auburn-Forest Hill Road 6.2 mi sw of Spring Garden Road jct.) 609 Comment
  UCD98376  Petrorhagia dubia M. D. Clegg 1963-5-4 27 Placer Folsom Reservoir, 2 miles north of Folsom, southeast corner of county. 60 Comment
  SEINET12558102 Image available Petrorhagia dubia Barbara Ertter, David Thompson 1989-1 8187 Placer Auburn-Forest Hill Road 6.2 mi SW of Spring Garden Road jct., on NW side of road, ca 8 airmiles NE of Auburn 610 Comment
  UCD41261  Phacelia egena Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1718 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  JEPS71489  Phacelia hastata subsp. compacta Gladys L. Smith 1972-6-20 3253 Placer steep slope just below Ward Peak Summit 2628 Comment
  CDA15918  Phacelia hastata subsp. hastata G. F. Hrusa, J. Glazner 1999-7-17 15137 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCR120240  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5025 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SEINET5759301  Phacelia heterophylla var. virgata M. J. Williams 1974-8-8 74 -PL-33 Placer Sierra Nevada, Murphy's Meadow, 5 mi. SW of Hirschdale 2316 Comment
  UCD75688  Phacelia hydrophylloides Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5137 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
  UCR207106  Phacelia hydrophylloides George K. Helmkamp, E. A. Helmkamp 2009-7-16 15231 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  JEPS73651  Phacelia marcescens L. R. Heckard with G. L. Stebbins 1973-6-17 3439 Placer about 7 air mi se of Emigrant Gap (on e face of Big Valley Bluff); Big Valley Bluff 1524 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
  CAS-BOT-BC6854  Phacelia namatoides Albert Kellogg 1870-6-23 s.n. Placer Sierra Nevada Mts.: Cisco. Comment
  SEINET5507914  Phacelia nemoralis P. B. Kennedy, S. B. Doten 1901-8-18 416 Placer Talbot's Home Camp, 7 miles from French Meadows Comment
  JEPS111161  Phacelia ramosissima var. ramosissima Steve Matson 2005-7-16 1394 Placer Tahoe west shore, technically just outside the Tahoe Basin, about 900 meters northwest of Barker Pass/PCT trailhead, just past where PCT crosses stream. 39.0800 N 120.2429 W; elevation 8,000 ft. 2438 Comment
  CAS-BOT-BC154287  Phacelia ramosissima var. subglabra C. F. Sonne 1886-7-18 241 Placer Top of R.R. [Canon] Canyon on Truckee River Comment
  JEPS73661  Phacelia stebbinsii L. R. Heckard 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
  CDA16036  Phacelia tetramera G. F. Hrusa, J. Glazner 2000-9-3 15677 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  JEPS74040  Phalaris arundinacea Virginia Bufford 1932-9-9 529 Placer along Truckee River; along Truckee River 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-BC259076  Phalaris lemmonii L. R. Abrams 1935-4-20 13685 Placer Roseville, Sacramento Valley Comment
  RSA187449  Phalaris lemmonii Le Roy Abrams 1935-4-20 13685 Placer Roseville Comment
  UCD35460  Phalaris lemmonii Beecher Crampton 1957-5-7 3991 Placer 2 miles N of Lincoln. Comment
  SACT001713  Phalaris minor D. Meyer 1983-5-15 Placer Moist roadside ditch next to a cultivated field. 19.812 Comment
  UCD117279  Philadelphus lewisii G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10705 Placer Northern Sierra Nevada Mountains: 0.2 mile N of Forest Hill Road on unnamed road to Lake Clementine (general area NE of Auburn on Forest Hill Divide). 487 Comment
  POM296924B  Phleum Lyman Benson 1942-7-2 11267 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  SACT001736  Phleum alpinum Michael Baad 1976-8-7 Placer 2072.0 Comment
  UCD43999  Phleum alpinum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1365 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SACT001746  Phleum pratense D. Meyer 1984-7-21 Placer Moist roadside ditch and pine-wooded area in dense shade. 1927.0 Comment
  UCR171034  Phleum pratense George K. Helmkamp, E. A. Helmkamp 2005-9-30 9957 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  CDA12295  Phlox gracilis G. F. Hrusa 1989-5-2 7066 Placer Sierra Nevada; Mosquito Ridge Road about 15 km. beyond crossing of North Fork of Middle Fork of the American River. Comment
  CDA12402  Phlox gracilis G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8530 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  RSA772289  Phlox gracilis George K. Helmkamp, E. A. Helmkamp 2010-4-17 15902 Placer along CA-49, 2.5 miles southeast of Pilot Hill 271 Comment
  JEPS72023  Phoenicaulis cheiranthoides Gladys L. Smith 1972-6-20 3223 Placer Ward Peak, from chair lift terminus to ultimate summit peak Ward Peak 2632 Comment
  UCD22354  Phoenicaulis cheiranthoides Rex Palmer 1979-6-9 N 157 Placer Headwaters basin area of the North Fork of the American River. 2255 Comment
  UCD150574  Phoradendron juniperinum James A. Neilson Jr. 1971-7-2 2170 Placer Tahoe Basin, Brockway Springs. 1901 Comment
  SACT001767  Phyllostachys aurea Josephine Van Ess 1977-6-9 Placer Collected across road from sierra college nature area at old homestead site. Moist area 103.0 Comment
  CAS-BOT-BC60741  Physaria occidentalis C. F. Sonne 1886-7-18 23 Placer Sierra Nevada Mountains. Head of Squaw Valley on Truckee River. 2438 Comment
  UCR253503  Phytolacca americana George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20090 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  SEINET5334493  Pinus attenuata W. Priest 1956-4-16 s.n. Placer 20 miles of Baxter on U.S. 40. 1219 Comment
  CAS-BOT-BC78464  Pinus contorta subsp. murrayana A. A. Heller 1917-8-13 12883 Placer Summit [valley] Valley 2118 Comment
  UC185  Pinus jeffreyi W. A. Setchell 1901-7-1 Placer Rubicon Park , Tahoe Comment
  SEINET5334629  Pinus jeffreyi T. C. Frantz 1951-5-22 s.n. Placer between north end of Lake Tahoe and highway near Nevada state line. Comment
  UCR200873  Pinus lambertiana George K. Helmkamp, E. A. Helmkamp 2008-9-15 14111 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  SEINET5334649  Pinus lambertiana J. Vetter 1956-4-16 s.n. Placer U.S. Hwy. 40, just west of Baxter 1067 Comment
  UC1134049  Pinus monticola R. Wilson 1934-9-20 78 Placer Granite Chief Mtn. Truckee Quad., , Tahoe National Forest 2743 Comment
  CHSC74934  Pinus ponderosa Russell Stein 1984-4-25 Placer 6 miles east of Auburn. 457 Comment
  SEINET12742769  Pinus sabiniana W. D. Billings 1939-3-19 1205 Placer 10 miles northwest of Auburn Comment
  UCD34187  Pistacia terebinthus Beecher Crampton 1977-9-30 9533 Placer Placer County, Applegate. Comment
  UCR233013  Plagiobothrys George K. Helmkamp, E. A. Helmkamp 2011-5-12 17254 Placer Southern Sacramento Valley, south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  HSC82625  Plagiobothrys austiniae Thomas W. Nelson, Jane P. Nelson 1979-4-11 4608 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  UC882301  Plagiobothrys bracteatus C. L. Hitchcock 1940-5-7 6350 Placer ca 1 mi w Baxter Comment
  JEPS126364  Plagiobothrys cognatus Steve Matson 1997-7-5 34 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Wildlife Area; 50 yards north of Highway 267 and 20 yards west of Martis Creek. Comment
  CHSC117460  Plagiobothrys cusickii B. Castro; Jessica Boyt 2013-9-11 2000 Placer Northern High Sierra Nevada. Plumas National Forest;W edge of Frenchman Lake, at boat ramp NW of 'Lunker Point' site on maps. 1703 Comment
  CAS-BOT-BC230943  Plagiobothrys hispidulus John Thomas Howell 1943-7-22 18712 Placer Summit Valley Comment
  CAS-BOT-BC230951  Plagiobothrys hispidulus Alice Eastwood 1912-6-15 445 Placer Lake Tahoe Region. Tahoe City Comment
  UC78171  Plagiobothrys hispidulus Alice Eastwood 1898-6-12 Placer Summit Soda Springs Comment
  UC480693  Plagiobothrys hispidus H. F. Copeland 1931-7-29 Placer n end of Lake Tahoe; n end Lake Tahoe Comment
  CDA36908  Plagiobothrys nothofulvus CDFA Staff 1998-4-22 s.n. Placer Dry Creek. 0 Comment
  CHSC90583  Plagiobothrys nothofulvus Wm. Schierenberg 1988-3-18 11 Placer On hillside about 0.04 km east of Rocklin, behind Sierra College. 71 Comment
  CHSC96475  Plagiobothrys stipitatus var. micranthus Lowell Ahart; Brian Williams 2007-4-13 13638 Placer Bottom of 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
  UCR234015  Plagiobothrys undulatus George K. Helmkamp, E. A. Helmkamp 2011-5-12 17255 Placer Southern Sacramento Valley, south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  RSA756487  Plantago erecta Barbara J. Ertter, David Thompson 1989-4-8 8157 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  CAS-BOT-BC516752  Plantago lanceolata George K. Helmkamp; Amy Barnes 2013-3-28 20295 Placer Eastern Sacramento Valley: NW side of jct of Riosa Rd and Andressen Rd, NE of Sheridan 36 Comment
  CDA19547  Plantago lanceolata M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 236 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
  UC429340  Platanthera J. A. Decou 1900-8-5 456 Placer McKinney's Tahoe Comment
  UCD44022  Platanthera dilatata var. leucostachys C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-8-1 1388 Placer Lake Tahoe Basin. Comment
  UC1134745  Platanthera leucostachys N. French 1934-7-7 497 Placer Texas Hill Colfax Quad., , Tahoe National Forest Comment
  UC13512  Platanthera leucostachys C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  CAS-BOT-BC92246  Platystemon californicus Carl B. Wolf 1937-3-30 8352 Placer Sacramento Valley, 1.5 mile east of Lincoln on Penryn Road. 60 Comment
  RSA0042076  Plectritis macrocera George K. Helmkamp, Mary Alice Barnes 2013-4-18 20347 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  SD43650  Plectritis macrocera Darley F. Howe 1948-5-23 1905 Placer American River 305 Comment
  UCD15637  Plectritis macrocera R. B. Kelley 1985-5-12 186 Placer Stevens Trail, at end of North Canyon Rd, near Colfax. 633 Comment
  UCR235693  Poa George K. Helmkamp, E. A. Helmkamp 2012-5-5 18918 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
  CAS-BOT-BC244351  Poa annua L. S. Smith 1926-4-11 1778 Placer Forest Hill Divide, road to Sugar Pass 1097 Comment
  JEPS113243  Poa annua Lowell Ahart, Brian Williams 2007-4-13 13665 Placer On the bottom of 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
  SEINET7708966  Poa annua A. Tiehm, H. N. Mozingo; M. J Williams; E. McPherson 1975-1 604 Placer One mile north of Lincoln. Comment
  UCD36144  Poa annua Beecher Crampton 1953-2-11 971 Placer Placer County, 2 miles north of Lincoln, on road to Sunnybrook Farm Hereford Ranch. Comment
  UC820685  Poa bolanderi A. A. Heller 1917-6-17 12701 Placer below Cisco (along Yuba river) 1676 Comment
  UCD90549  Poa bolanderi A. A. Heller 1917-8-13 12901 Placer north of Summit hotel. 2164 Comment
  SACT001816  Poa bulbosa D. Meyer 1983-5-7 Placer Roadside. Comment
  SACT001826  Poa canbyi Michael Baad 1983-8-27 Placer 2072.64 Comment
  SACT001833  Poa compressa D. Meyer 1983-7-16 Placer 1212.0 Comment
  UCD90845  Poa compressa Beecher Crampton 1956-7-17 3722 Placer Blue Canyon. 1432 Comment
  SACT001847  Poa gracillima Michael Baad 1983-7-10 Placer 19.52 km from Emigrant Gap along road to Helester Point, open rocky slope to left of road. 1524.0 Comment
  SACT001858  Poa incurva D. Meyer 1983-8-20 Placer Collected from road to summit at first lake steep rocky trail with some moist meadow areas. 2000.0 Comment
  UCR171399  Poa leptocoma subsp. leptocoma George K. Helmkamp, E. A. Helmkamp 2005-9-30 9968 Placer Northern Sierra Nevada Mtns., c. 3.5 mi NW of Lake Tahoe; Along the Truckee River and Calif. Highway 89, 0.1 mi N of Alpine Meadows Road 1902 Comment
  SACT001875  Poa nervosa D. Meyer 1984-8-26 Placer 1818.0 Comment
  SACT001878  Poa nevadensis Michael Baad 1976-6-10 Placer 1.5 miles from French Meadows on trail to Robinson Flat, heavily forested zone with opening, white and red fir with incense cedar. 1612.0 Comment
  SACT001896  Poa palustris D. Meyer 1983-8-7 Placer 8.5 km south of placer county line. Moist wooded area at Louisiana Pacific Private Forest enterance. 1758.0 Comment
  CAS-BOT-BC247375  Poa pratensis Saichi Kawahara 1969-7-6 1416 Placer West of old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  SACT001905  Poa pratensis Michael Baad 1983-7-11 Placer 3.5 air miles southeast of Emigrant Gap. Continuing towards Black Mountain to the westen edge. Comment
  SACT001945  Poa pratensis D. Meyer 1984-5-27 Placer Off Hwy 267 moist meadow surrounded by sagebrush. Comment
  SACT001953  Poa pratensis D. Meyer 1983-6-25 Placer 1418.0 Comment
  UCD91817  Poa pratensis A. A. Beetle 1941-5-26 2717 Placer near Cisco. 914 Comment
  UC1132706  Poa pratensis subsp. pratensis H. S. Yates 1934-6-29 3884 Placer near Brockway; Tahoe Nat'l Forest, Truckee Quadrangle Comment
  SACT001884  Poa pringlei Michael Baad 1976-7-22 Placer Northwest face of Lyon Peak to crest. 10 miles southwest of Soda Springs. 2377.0 Comment
  SACT001957  Poa scabrella Josephine Van Ess 1974-5-5 Placer Collected about .5 mile north of county line in area where Linda Creek forms a narrow steep sided ravine. 91.5 Comment
  SACT001973  Poa scabrella Michael Baad 1983-5-5 Placer 3 miles southeast of Canyon Way Road descending to North Fork of the American River. 548.64 Comment
  SACT001977  Poa scabrella Michael Baad 1983-7-23 Placer 4.8 km southwest of Truckee on road west of 89. In bogs. 1828.0 Comment
  POM113760  Poa secunda Marcus E. Jones 1882-6-28 11384 Placer Emigrant Gap. Comment
  SACT002010  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  SACT002012  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  SD44636  Poa secunda Darley F. Howe 1951-5-2 Placer 4 miles north of Auburn 456 Comment
  CAS-BOT-BC242950  Poa secunda subsp. secunda Peter H. Raven; G. L. Stebbins 1952-4-20 4006 Placer N Fork American River S of Auburn near bridge on Route 49 213 Comment
  JEPS75188  Poa secunda subsp. secunda Gladys L. Smith 1972-6-20 3263 -A Placer Ward Peak above Sherwood Forest (below summit) 2590 Comment
  UC337960  Poa secunda subsp. secunda unknown Placer summit of Sierra Cisco Comment
  UCD91622  Poa secunda subsp. secunda A. A. Heller 1917-6-17 12696 Placer Along the Yuba River below Cisco. 1676 Comment
  CAS-BOT-BC539302  Poa sierrae G. Ledyard Stebbins 1968-4-7 6671 Placer Mosquito Ridge, E of Forest Hill, along road, 2.7 mi NE of turnoff to PG&E dam and powerhouse 975 Comment
  POM265916  Poa sierrae C. L. Hitchcock 1940-5-7 6341 Placer 1 mile west of Baxter Comment
  RSA0049711  Poa sierrae Dean Wm. Taylor 2013-6-19 21370 Placer Ralston Ridge (ca. 15 air miles E of Foresthill), along Forest Road 14N22C about 1.1 mile down from (North of) Forest Road 25 along the ridgecrest 1482 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
  UCD52761  Podagrostis humilis B. Crampton 1953-7-21 1538 Placer Harrison Flat Road, 1 mile south of Soda Springs. 2133 Comment
  SEINET13759320  Polemonium occidentale subsp. occidentale T. W. Richardson 2002-9-16 s. n. Placer [Sierra Nevada] Tahoe City Lake Forest, Robert Pomin Park 1902 Comment
  POM365426  Polemonium pulcherrimum Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  CAS-BOT-BC170302  Polygala cornuta var. cornuta Marcus E. Jones 1882-7-3 3316 Placer Colfax Comment
  CAS-BOT-BC300503  Polygala cornuta var. cornuta George K. Helmkamp; E. A. Helmkamp 2012-6-19 19216 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  UC868233  Polygala cornuta var. cornuta Marcus E. Jones, A. M. 1882-7-3 3316 Placer Colfax Comment
  CAS-BOT-BC414308  Polygonum aviculare subsp. neglectum A. A. Heller 1917-8-12 12876 Placer Southern Pacific reservoir west of Emigrant Gap Comment
  POM104622  Polygonum bistortoides Marcus E. Jones 1903-6-28 s.n. Placer Emigrant Gap Comment
Read comments
Sep 7 2010
  UCD43039  Polygonum bistortoides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 408 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC109146  Polygonum bolanderi Rimo Bacigalupi 1952-7-19 3853 Placer Into the North Fork of the American River, below Cape Horn, 0.5 mile above bridge on the Colfax-Iowa Hill road. 381 Comment
  UC6687  Polygonum davisiae C. F. Sonne 1886-7-18 Placer Truckee River; mt. on Comment
  POM280358  Polygonum douglasii Lyman Benson 1942-7-2 11270 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCD44483  Polygonum douglasii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1849 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC570036  Polygonum douglasii subsp. douglasii B. Bolt 1934-7-19 150 Placer Tadpole Springs Colfax Quadrangle 1950 Comment
  UC849976  Polygonum douglasii subsp. douglasii A. A. Heller 1916-8-13 12910 Placer Summit hotel 2133 Comment
  CAS-BOT-BC420033  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1912-6-15 442 Placer Tahoe City, Lake Tahoe Region Comment
  CHSC85734  Polygonum shastense G. F. Hrusa; J. Glazner 2001-7-15 15956 Placer Northern Sierra Nevada. N summit face of Crows Nest Pk. immed. W of Sugarbowl. 2377 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
  SACT001571  Polypogon australis D. Meyer 1984-6-10 Placer 436.0 Comment
  SACT002020  Polypogon maritimus Josephine Van Ess 1976-8-18 Placer Collected on Ferrari Ranch .25 mile east of Highway 193 and 1.15 miles south in pasture land. Moist area around ditch, south of salt spring. Comment
  JEPS73134  Polystichum lonchitis Gladys L. Smith and Betsy Wilson 1972-8-25 3438 b Placer n-facing slope Granite Chief (off trail and starting descent of glacial stairsteps); Sierra Nevada 2560 Comment
  CAS-BOT-BC105580  Populus trichocarpa Geo. B. Grant 1906-7-15 7032 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  UC527363  Populus trichocarpa C. B. Wolf 1931-9-11 2422 Placer near creek 7 mi below summit Donner Pass (w slope of Sierra Nevada); , below summit Donner Pass 1828 Comment
  UCD22303  Populus trichocarpa Rex Palmer 1979-5-27 N 55 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC452173  Potamogeton gramineus W. R. Dudley 1900-6-29 s.n. Placer By outlet of Lake Tahoe Comment
  CAS-BOT-BC453920  Potamogeton pectinatus Mary Strong Clemens 1920-9-1 s.n. Placer (Lake) Tahoe City Comment
  JEPS59375  Potentilla gracilis Ezra Brainerd and Viola B. Baird 1915-7-7 123 Placer Squaw Valley near forester's house; Sierra Nevada Mts., Squaw Valley 1920 Comment
  UCD83638  Potentilla gracilis Albert Grigarick 2009-9-10 191 Placer Squaw Creek Resort, approx. in middle of Emigrant Lift. 2526 Comment
  RSA258879  Potentilla gracilis var. fastigiata Thomas W. Nelson, James Nelson 1974-6-17 1375 Placer Dollar point overlooking Lake Tahoe N of Tahoe City. 1585 Comment
  SEINET11261737  Potentilla gracilis var. fastigiata George Helmkamp, E. A. Helmkamp 2011-7-26 17895 Placer Northern Sierra Nevada Mountains: Bowman Lake Road, .9 mile north of its junction with CA Hwy 20, .85 mi. NE (231/4) of emigrant Gap and N of I-80 (Blue canyon 7.5' Q); 0 1434 Comment
  UCD43179  Potentilla gracilis var. fastigiata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 548 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC540396  Potentilla gracilis var. fastigiata C. F. Sonne 1886-7-4 77 Placer Sierra Nevada, old logging camp on Truckee River Comment
  CAS-BOT-BC540398  Potentilla gracilis var. fastigiata 1906-7-15 6962 Placer Tahoe Tavern Comment
  CHSC118021  Poterium sanguisorba G. K Helmkamp; E. A Helmkamp 2007-9-14 12959 Placer Foothills, northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill. 942 Comment
  UCD35458  Poterium sanguisorba Beecher Crampton 1957-5-7 3994 Placer Placer County; 2 miles northeast of Lincoln along Thermalands Road. Comment
  CDA27763  Prosopis glandulosa var. torreyana M. K. Bellue, F. Clark 1945-10-11 Placer Railroad yards, Southern Pacific, Roseville. 0 Comment
  UCR260067  Prunella vulgaris var. lanceolata George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22418 Placer Sierra Nevada Mountains Foothills, Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road 651 Comment
  CAS-BOT-BC163056  Prunus emarginata A. A. Heller 1917-8-15 12940 Placer Lincoln highway near Yuba Pass 1828 Comment
  CAS-BOT-BC163058  Prunus emarginata A. A. Heller 1917-6-17 12708 Placer Near the Yuba River below Cisco 1676 Comment
  HSC35044  Prunus emarginata Thomas W. Nelson, James Nelson 1974-6-17 1364 Placer Beside Hwy. 80 at its intersection with Blue Canyon Rd., 9 mi. W of the Placer-Nevada County line 1646 Comment
  HSC82944  Prunus emarginata George Oldfield 1985-8-12 Placer Sierra Nevada Mtns. along I-80 near Blue Canyon, 30-35 mi. NE of Aubrun 1555 Comment
  UCR201929  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2008-8-20 14028 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 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
  JEPS102629  Pseudognaphalium luteoalbum Lowell Ahart 2001-10-10 9339 Placer 22 air mi SW of Forest Hill (French Meadows Reservoir, 1/4 mi NE of boat or trail access area on NW side, 3/4 mi SW of bridge on Middle Fork American River) 1591 Comment
  CAS-BOT-BC357340  Pseudognaphalium microcephalum W. R. Dudley 1909-8-16 s.n. Placer Monte Vista Comment
  UC1118465  Pseudognaphalium thermale G. F. Burks 1934-9-14 44 Placer Truckee River Tahoe National Forest, Truckee Quad., Truckee River 1828 Comment
  SEINET12997150  Pseudostellaria Ronald L. Hartman 1997-7-11 58546 Placer Near campsite ca 200 yards from Foresthill Road, 2-2.5 road mi W from Sailor Flat trail turn-off. 1982 Comment
  SEINET4856241  Pseudostellaria sierrae B. Bolt 1934-7-19 146 Placer Tahoe NF: 1 mi N of Tadpole Spring. 1982 Comment
  UC1351095  Pseudotsuga menziesii E. Fritz 1936-1-28 8209 Placer Comment
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Jul 9 2015
  UCR176262  Pseudotsuga menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2006-8-11 11213 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  UCD18832  Psilocarphus oregonus Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-27 137 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
  CAS-BOT-BC460525  Pterospora andromedea Ira L. Wiggins 1933-8-21 6785 Placer Shores of Lake Tahoe, near Tahoma Comment
  CHSC9530  Purshia tridentata J. F. Goodwin 1971-7-11 165 Placer At end of Commonwealth Drive, 0.6 mi. from intersection with Hwy. 267, 10.6 mi. east of Truckee. 1981 Comment
  UCD22283  Purshia tridentata Rex Palmer 1979-6-9 N 142 Placer Headwaters basin area of the North Fork of the American River. 2255 Comment
  JEPS71933  Purshia tridentata var. tridentata Gladys L. Smith 1972-6-20 3198 Placer Ward Peak; about terminus of Summit chairlift 2621 Comment
  UC1128546  Purshia tridentata var. tridentata D. Schlobohm 1934-10-2 3 Placer 3 mi s Truckee; Tahoe National Forest, Truckee Quad. 1859 Comment
  UC21718  Pyrola picta J. Burtt Davy Jun 25 1897-Jun 30 1897 3239 Placer Truckee River Basin, Lake Tahoe Lake Tahoe; Truckee River Basin, Lake Tahoe Comment
  UCD117818  Pyrola picta G. F. Hrusa; J. Glazner 2000-9-3 15675 A Placer Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  CAS-BOT-BC466095  Pyrola picta W. W. Price 1892-7-1 s.n. Placer Red Point 1371 Comment
  SD6061  Pyrus occidentalis none given June 1914 Placer Cisco Comment
  SACT002678  Quercus Josephine Van Ess 1976-8-4 Placer Collected along small roadside stream just in side park on Newcastle Road. Small tree amoung other oaks. Shady canyon. 176.8 Comment
  UC119169  Quercus X morehus A. Eastwood 1894-9-9 Placer Newcastle Comment
  UCD47001  Quercus X morehus Enid A. Larson; D. Giuliani 1970-11-23 s.n. Placer (Q. wislizenii A. DC. X Q. kelloggii Newb.). Lower Grays Meadow, Independence Creek, southwest of Independence, Inyo County, California. Comment
  CAS-BOT-BC62474  Quercus chrysolepis Emily McPherson 1976-9-19 76- 28 -6 Placer 1 mile seast of Talbot Campground. Middle Fork of the American 1767 Comment
  RSA252260  Quercus chrysolepis Gary D. Wallace 1974-12-21 1342 Placer Foothills of the Sierra Nevada, along a frontage road off Hwy. 80, 1 mi W of Colfax. Comment
  SACT002616  Quercus chrysolepis Josephine Van Ess 1977-5-13 Placer 365.8 Comment
  SACT002626  Quercus chrysolepis Herbert Copeland 1935-3-17 Placer 970.0 Comment
  UC1083186  Quercus chrysolepis H. L. Mason 1929-10-4 5453 a Placer 2.4 mi below Weimar Comment
  UCD45387  Quercus chrysolepis Natalie deGarder 1992-6-6 18 Placer California, Placer Co., outside Forest Hill ne town, T14N R10E sect. 35, ne 1/4. 3300'. 1005 Comment
  CAS-BOT-BC62721  Quercus chrysolepis Marian L. Campbell 1921-7-26 s.n. Placer Grelaud's Place, Sacramento River Comment
  UCD15168  Quercus douglasii Phyllis Adams 1982-5-9 37 Placer California, Placer Co.; along Old Foresthill Road, in the American River Canyon; 457 Comment
  UCD40289  Quercus dumosa Rodney Gale Myatt 1972-6-1 1686 Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 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
  UC1135560  Quercus durata N. French 1933-10-17 105 Placer Todd Valley Placerville National Forest, Placerville Quad. 762 Comment
  OBI49059  Quercus kelloggii Unknown 1882-6-30 2871 Placer Emigrant Gap Comment
  UCSC010009  Quercus kelloggii Al Keuter 2014-6-15 00 101 A Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  SBBG58963  Quercus vacciniifolia A. Lefebure 1941-8-18 633 Placer Brockway, Lake Tahoe 1981 Comment
  UCD144216  Quercus vacciniifolia Frederic Hrusa; L. Serafini 1993-6-29 11248 Placer south side of French Meadows Reservoir immediately below dam. 1500 Comment
  UCD21483  Quercus vacciniifolia Rex Palmer 1979-5-26 N 6 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  SEINET10437807  Quercus wislizeni H. R. Holbo 1961-3-31 s.n. Placer North Fork of American River. 610 Comment
  CAS-BOT-BC379279  Ranunculus alismifolius var. alismellus Alice Eastwood 1909-1-1 279 Placer Lake Tahoe Region, Wards Pass Comment
  JEPS72152  Ranunculus alismifolius var. alismellus Gladys L. Smith 1972-6-18 3151 Placer cliff above Alpine Meadows 2133 Comment
  CAS-BOT-BC379384  Ranunculus alismifolius var. hartwegii John Thomas Howell 1943-7-21 18652 Placer Donner Pass to Mt. Lincoln Comment
  CAS-BOT-BC379400  Ranunculus alismifolius var. hartwegii C. F. Sonne 1886-5-2 329 Placer Serra Nevada Mts., in water or near Marzens Meadows near Truckee Comment
  JEPS127528  Ranunculus aquatilis var. diffusus Steve Matson 1998-7-12 328 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Highway 267, west of Martis Creek, close to highway rampart. Comment
  CAS-BOT-BC378966  Ranunculus bonariensis J. W. Congdon 1894-4-2 s.n. Placer Roseville Comment
  UCR233039  Ranunculus bonariensis var. trisepalus George K. Helmkamp, E. A. Helmkamp 2011-5-12 17253 Placer Southern Sacramento Valley, south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  SDSU10110  Ranunculus hebecarpus D. F. Howe 1951-5-1 2101 Placer 457 Comment
  UCD35915  Ranunculus muricatus B. Crampton 1953-4-21 1117 Placer Sunnybrook Farms, 2 miles North of Lincoln. Comment
  CHSC81547  Ranunculus occidentalis D. Tellefson 2000-4-23 Placer Shockley Woods, Shockley Rd, Auburn. 400 Comment
  SEINET192016  Ranunculus occidentalis C. L. Hitchcock 1940-5-7 6312 Placer Ca 1 mi W of Baxter Comment
  UC732548  Ranunculus occidentalis Lyman Benson 1933-6-26 4552 Placer Donner Lake Sierra Nevada (lower end) 1889 Comment
  UC827908  Ranunculus occidentalis Lewis S. Rose 1940-6-2 40465 Placer 10 mi n Tahoe City; Truckee River 1828 Comment
  UC838052  Ranunculus occidentalis A. A. Heller 1917-6-19 12737 Placer Emigrant Gap 1615 Comment
  UCD43263  Ranunculus occidentalis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 631 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 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
  UCD54576  Ranunculus orthorhynchus Ellen Dean; Tammie Beyerl 2006-1-11 2770 Placer NW part of town of Auburn, north of municipal airport and south of Dry Creek Rd. 435 Comment
  POM276387  Ranunculus orthorhynchus Lyman Benson 1948-7-17 12924 Placer Placer: isco Grove, S Fork Yuba River, Sierra Nevada. Sacramento Valley, Sierran Montane Forest 1799 Comment
  UC1551905  Ranunculus orthorhynchus var. orthorhynchus Lyman Benson 1948-7-17 12924 Placer Cisco Grove Sierra Nevada Mt. Range, Sacramento Area Drainage Area, S. F 1798 Comment
  UC9469  Ranunculus orthorhynchus var. orthorhynchus Mrs. M. M. Hardy 1893-1 Placer Comment
  UC854403  Ranunculus uncinatus Marcus E. Jones, A. M. 1882-6-28 3308 Placer Emigrant Gap Comment
  RSA257183  Rhamnus alnifolia H. L. Mason 1939-8-3 12200 Placer Squaw Valley 7 miles NW of Tahoe City. 1890 Comment
  UC870854  Rhamnus rubra A. A. Heller 1917-6-19 12736 Placer Emigrant Gap 1615 Comment
  SEINET13946366 Image available Rhamnus rubra A. A. Heller 1917-1 12736 Placer Dry gravelly ridge, Emigrant Gap, elevation 5300 ft 1615 Comment
  CAS-BOT-BC109794  Rhodiola integrifolia subsp. integrifolia John Thomas Howell 1943-7-26 18854 A Placer Sugar Bowl northwest of Mount Lincoln. Comment
  CAS-BOT-BC58189  Rhododendron columbianum Frances Price 1919-1-1 s.n. Placer Tahoe. Comment
  CAS-BOT-BC58200  Rhododendron columbianum L. S. Smith 1925-8-14 1706 Placer Robertson Flat pasture. Tahoe forest. 1981 Comment
  SBBG59931  Rhododendron occidentale M. N. Ackley -Jun-1925 328 Placer Towle 1127 Comment
  UC635198  Rhus trilobata Herbert L. Mason 1926-5-28 3267 Placer 5 mi above Auburn Comment
  CAS-BOT-BC438107  Ribes John H. Thomas; Hazelle A. Thomas 1956-7-21 6133 Placer Sierra Nevada. vicinity of donner pass, about 80 miles northeast of Sacramento. 2377 Comment
  CAS-BOT-BC108699  Ribes cereum Alice Eastwood 1912-6-15 370 Placer Lake Tahoe Region. Deer Park. Comment
  SEINET12220282  Ribes montigenum C. F. Sonne 1885-1 100 Placer Sierra Nevada Mts, above Coldstream 2591 Comment
  SEINET13942693 Image available Ribes nevadaense A. A. Heller 2017-1 12725 Placer Cisco, elev 6000 ft 1829 Comment
  CAS-BOT-BC219203  Ribes nevadense Alice Eastwood 1912-6-15 393 Placer Deer Park, Lake Tahoe Region Comment
  UC921833  Ribes nevadense Lewis S. Rose 1940-6-1 40450 Placer 3 mi nw Tahoe City; Truckee River 1889 Comment
  UCD38502  Ribes nevadense Beecher Crampton 1955-7-13 3009 Placer Blue canyon. 1432 Comment
  SCFS5087  Ribes roezlii F. Felix, Erica Krimmel 2013-5-19 28 Placer North Fork American River, Serena Creek Junction with North Fork American River Comment
  CAS-BOT-BC186196  Ribes roezlii var. roezlii L. R. Abrams 1917-9-19 6779 Placer Lily Lake, Lake Tahoe Region Comment
  CAS-BOT-BC186198  Ribes roezlii var. roezlii Alice Eastwood 1909-1-1 197 Placer Sunnyside, Lake Tahoe Region Comment
  CAS-BOT-BC186212  Ribes roezlii var. roezlii D. E. Breedlove 1962-6-13 3542 Placer On steep bank of Truckee River, 7.0 miles south of Truckee; Sierra Nevada 1828 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-BC168771  Ribes viscosissimum Margaret Williams 1974-8-8 74 -P1-14 Placer Murphy's Meadow, 5 miles southeast of Hirschdale - Sierra Nevada 2316 Comment
  CAS-BOT-BC168776  Ribes viscosissimum Alice Eastwood 1909-1-1 293 Placer Squaw Creek - Lake Tahoe Region Comment
  JEPS59416  Ribes viscosissimum Ezra Brainerd and Viola B. Baird 1915-7-15 135 Placer Five Lakes Sierra Nevada Mts. 2298 Comment
  UC35869  Rigiopappus leptocladus H. N. Bolander 1865-1 4569 Placer Newcastle Comment
  UCR233393  Rorippa curvipes var. truncata George K. Helmkamp, E. A. Helmkamp 2011-8-26 18167 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2020 Comment
  CAS-BOT-BC74623  Rorippa curvisiliqua Wm. Vortriede 1928-1-1 s.n. Placer Lake Tahoe. Comment
  UCR240918  Rorippa palustris subsp. palustris George K. Helmkamp, E. A. Helmkamp 2012-6-19 19245 Placer Northern Sierra Nevada Mountains, Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road 2055 Comment
  UCD16124  Rosa pisocarpa Dan Cederquist 1984-5-22 s.n. Placer Rollins Lake. Comment
  CAS-BOT-BC133119  Rosaceae Saichi Kawahara 1969-5-24 847 Placer Near garden, Henderson Ranch, Indian Creek 1005 Comment
  UCD114020  Rubus armeniacus G. L. Stebbins Jr. 1952-6-22 5095 Placer Along southeast bank of American River, 1/4 mile north of bridge of road to Iowa Hill, 2 miles southeast of Colfax. 350 Comment
  UCD17686  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 74 Placer California. Placer County: growing under railroad bridge at junction of highways in Auburn. Comment
  UCD17698  Rubus armeniacus H. Olmo; T. S. Mallah 1953-3-24 53 22 Placer California. Placer County: Placer Road in Auburn. Follow to bottom near new highway cut. Off Grass Valley Highway. Comment
  SEINET5470384 Image available Rubus lasiococcus E. Neese 1980-10-15 9987 Placer Gold Run Rest area along I-80- 3000ft elev. 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
  POM303011  Rubus parviflorus var. bifarius L. S. Rose 1944-7-25 44259 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  CHSC74249  Rumex acetosella Susi Urie; Eric Schroder 1998-9-8 98 -304 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  RSA0035673  Rumex acetosella George K. Helmkamp, Mary Alice Barnes 2013-5-3 20465 Placer SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UC1136221  Rumex acetosella H. S. Yates 1934-6-29 3879 Placer ner Brockway; Tahoe National Forest, Truckee Quad. 1920 Comment
  UCD14635  Rumex acetosella Deanna Lynn Pfleger 1989-5-20 16 Placer Placer Co.; 30 miles from Auburn along Mosquito Ridge Road; 498 Comment
  CAS-BOT-BC422033  Rumex acetosella Geo. B. Grant 1906-7-15 6969 Placer Tahoe Tavern, Lake Tahoe Comment
  SEINET3828372  Rumex crispus George K. Helmcamp, E. A. Helmkamp 2011-1 18483 Placer Sacramento Valley: North Brewer Road, 0.2 mile north of Nicolaus Road, 8.7 mi. west of Lincoln (Sheridan 7.5') 29 Comment
  CHSC74116  Rumex salicifolius var. triangulivalvis Susi Urie 1998-8-19 98 -080 Placer Lake Tahoe Basin Management Unit - National Forest. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  SJSU5141  Sagittaria cuneata R. L. Fisher 1959-8-12 Placer road to Cascade Lakes 2 mi W of Lake Van Norden 1981 Comment
  CAS-BOT-BC103550  Salix eastwoodiae John H. Thomas; Hazelle A. Thomas 1956-7-21 6191 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC103603  Salix eastwoodiae Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak Comment
  CAS-BOT-BC103612  Salix eastwoodiae W. R. Dudley 1900-6-14 5045 Placer About half way up loop road from Donner Lake Comment
  UCD22317  Salix eastwoodiae Rex Palmer 1979-7-11 N 585 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC103562  Salix eastwoodiae W. R. Dudley 1900-6-14 5097 Placer East of hotel at Summit, Nevada-Placer Co. line Comment
  CAS-BOT-BC103754  Salix exigua Marcus E. Jones 1882-6-28 3486 Placer Emigrant Gap Comment
  CAS-BOT-BC108210  Salix hindsiana Gordon H. True 1971-4-21 6527 Placer Auburn Ravine just west of Lincoln 49 Comment
  CAS-BOT-BC106880  Salix jepsonii W. R. Dudley 1900-6-24 5527 Placer Lake shore above McKenneys Comment
  CAS-BOT-BC249045  Salix jepsonii George K. Helmkamp; E. A. Helmkamp 2010-7-28 16671 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  UCD22310  Salix jepsonii Rex Palmer 1979-6-20 N 312 Placer Headwaters basin area of the North Fork of the American River. 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
  UC437388  Salix laevigata Francis Ramaley 1917-1 11143 Placer Auburn Comment
  CAS-BOT-BC125293  Salix lasiandra var. lasiandra L. S. Smith 1931-5-22 3 Placer Tahoe National Forest, French Meadows 1828 Comment
  POM107147  Salix lasiolepis Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  UC532215  Salix lasiolepis Herbert F. Copeland 1935-3-17 Placer near Gold Run (along creek) Comment
  CDA39563  Salix lasiolepis H. H. Keifer 1956-7-14 s.n. Placer Rocklin. 0 Comment
  CAS-BOT-BC107383  Salix lasiolepis var. lasiolepis Alice Eastwood 1922-4-6 s.n. Placer Colfax Comment
  CAS-BOT-BC128474  Salix lasiolepis var. lasiolepis Alice Eastwood 1922-4-6 11125 Placer Colfax Comment
  CAS-BOT-BC124747  Salix lemmonii W. R. Dudley 1900-6-1 5283 Placer west of Independence Hotel Comment
  CAS-BOT-BC124752  Salix lemmonii A. A. Heller 1917-6-17 12688 Placer along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC124760  Salix lemmonii A. A. Heller 1917-6-17 12721 Placer along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC124777  Salix lemmonii W. R. Dudley 1900-6-14 5123 a Placer Flat north of Lake Mary, near Summit Comment
  RSA28829  Salix lemmonii A. A. Heller 1917-6-19 12735 Placer Emigrant Gap. 1616 Comment
  CDA25006  Salix lucida subsp. lasiandra J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CAS-BOT-BC129522  Salix melanopsis L. S. Smith 1931-8-27 2628 Placer French Mdws., Tahoe N.F. - along middle fork American River below Chalk Bluff crossing. Comment
  POM107065  Salix melanopsis Marcus E. Jones 1882-6-28 3486 Placer Emigrant Gap. Comment
  CAS-BOT-BC129083  Salix scouleriana W. R. Dudley 1900-6-14 5075 Placer Rocks on right of road between Donner Lake and summit Comment
  POM107215  Salix scouleriana Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  UC1135081  Salix scouleriana B. Bolt 1934-7-22 157 Placer Chicken Hawk Camp Tahoe Nat'l Forest, Colfax Quadrangle, Chicken Hawk Camp Comment
  UC1135082  Salix scouleriana B. Bolt 1934-7-19 145 Placer 1/2 mi. n. Tadpole Spring; Tahoe Nat'l Forest, Colfax Quad. Comment
  UC1135086  Salix scouleriana B. Bolt 1934-7-23 162 Placer end of rd. from Westville (Plot 249); Tahoe Nat'l Forest, Colfax Quad. Comment
  RSA1844  Sambucus caerulea C. B. Wolf 1930-10-11 1729 Placer 4 miles west of Emigrant Gap 1524 Comment
  UC484002  Sambucus mexicana Carl B. Wolf 1930-10-11 1729 Placer 4 mi w Emigrant Gap 1524 Comment
  UCR229555  Sambucus mexicana George K. Helmkamp, E. A. Helmkamp 2011-7-26 17902 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  JEPS72388  Sambucus racemosa var. microbotrys Gladys L. Smith 1972-6-20 3273 Placer along road just above Ward Summit Chairlift 2164 Comment
  UC889730  Sambucus racemosa var. microbotrys A. A. Heller 1916-8-13 12903 Placer Summit Hotel 2133 Comment
  SEINET9259555  Sanguisorba minor subsp. muricata George K. Helmkamp, Amy Barnes 2014-1 22806 Placer Sierra Nevada Mountains Foothils: Spring Garden Road, at the north side of tis junction with FOresthill Road, 8.4 km west of Foresthill (Colfax 7.5' Q) 719 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
  UCR253126  Sanguisorba minor subsp. muricata George K. Helmkamp, Amy Barnes 2014-4-23 22806 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
  UCD21632  Sanicula Rex Palmer 1979-6-9 N 153 Placer Headwaters basin area of the North Fork of the American River. Mount Lincoln. 2438 Comment
  CDA12010  Sanicula bipinnatifida G. F. Hrusa 1995-5-2 12191 Placer Sierra Nevada; approx. 3 km. E of Foresthill on Mosquito Ridge Rd. Comment
  UC303482  Sanicula crassicaulis Mary E. P. Ames June, 1895 Placer Newcastle Comment
  UC106111  Sanicula graveolens C. F. Sonne 1893-6-11 Placer Sierra Nevada Mountains, road to Lake Tahoe Sierra Nevada Mountains Comment
  UC174164  Sanicula graveolens C. F. Sonne 1886-6-6 Placer Sierra Nevada Mountains, road to Tahoe Sierra Nevada Mountains Comment
  RSA471495  Sanicula tuberosa F. G. Mart 1934-03 12451 Placer Dutch Flat Comment
  UC147589  Sanicula tuberosa Miss Harriet A. Walker 1908-6-24 1300 Placer Blue Canyon 1432 Comment
  UC495497  Sanicula tuberosa Merle Randall 1930-6-17 Placer w of Donner Lake (above Cisco, Big Bend Ranger Station); Big Bend Ranger Station 1767 Comment
  CAS-BOT-BC466338  Sarcodes sanguinea Greg de Nevers 1991-7-24 9760 Placer Ward Creek Valley, S of Sunnyside 1950 Comment
  JEPS82987  Saxifraga G. L. Stebbins 1970-4-4 6990 Placer 1/2 mi e of crossing of North Fork (American River, on road from Colfax to Forest Hill); Shirttail Canyon, American River 457 Comment
  JEPS82985  Saxifraga ferruginea G. L. Stebbins 1970-4-4 6988 Placer 1/2 mi e of North Fork American River (Shirttail Canyon, on road to Colfax to Forest Hill); Shirttail Canyon 457 Comment
Read comments
Oct 6 2009
  JEPS59419  Saxifraga odontoloma Ezra Brainerd and Viola B. Baird 1915-7-10 138 Placer Deer Park; Sierra Nevada Mountains, Deer Park 1920 Comment
  CDA19555  Scirpus congdonii M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 233 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
  CDA36895  Scleranthus annuus CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UC1563664  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
  CAS-BOT-BC243506  Scribneria bolanderi G. L. Stebbins 1978-5-28 7896 Placer East end of Ralston Ridge 1554 Comment
  UC1153948  Scribneria bolanderi Beecher Crampton 1957-5-7 3987 Placer 2 mi n of Lincoln Comment
  UCD92480  Scribneria bolanderi Beecher Crampton 1953-4-21 1116 Placer 2 miles north of Lincoln, Sunnybrook Farms. Comment
  UCD92500  Scribneria bolanderi Beecher Crampton 1957-5-7 3987 Placer 2 miles north of Lincoln. Comment
  SCFS5070  Scutellaria californica E. Krimmel 2014-6-26 Placer Shade Comment
  RSA445393  Scutellaria californica Fay A. MacFadden 1934-7-26 12688 Placer Foot of Red Mountain Comment
  SEINET3161900  Sedum spathulifolium M. E. Jones 1882-6-30 3345 Placer Emigrant Gap Comment
  CAS-BOT-BC62095  Selaginella hansenii G. Ledyard Stebbins 1969-11-30 6979 Placer West side of American River Canyon on road from Colfax to Iowa Hill 457 Comment
  SEINET6409427  Selaginella watsonii H. N. Mozingo 1971-10-2 71 -58 Placer North fork of American River near Rt. 49, 2 miles east of Auburn Comment
  UCD18324  Senecio aronicoides A. M. Shapiro 2001-5-12 s.n. Placer near Dutch Flat. 914 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
  CAS-BOT-BC364032  Senecio integerrimus var. major Dr. A. Kellogg 1870-6-14 s.n. Placer Cisco, Sierra Nevada Mts Comment
  JEPS72238  Senecio integerrimus var. major Gladys L. Smith 1972-6-20 3232 Placer from chairlift terminus to ultimate summit peak Ward Peak 2632 Comment
  UC147608  Senecio integerrimus var. major Harriet A. Walker 1908-6-26 1303 Placer Cisco 1810 Comment
  UCR191103  Senecio integerrimus var. major George K. Helmkamp, E. A. Helmkamp 2007-6-12 12328 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  CAS-BOT-BC364389  Senecio triangularis A. A. Heller 1919-7-26 13313 Placer Summit meadows west of Donner Pass 2072 Comment
  CAS-BOT-BC364390  Senecio triangularis A. A. Heller 1919-7-26 13313 Placer Summit meadows west of Donner Pass 2072 Comment
  UCR171030  Senecio vulgaris George K. Helmkamp, E. A. Helmkamp 2006-2-24 10070 Placer Northern Sacramento Valley, Wise Road just east of its junction with Calif. Highway 65; c. 1 mi SE of Ewing 47 Comment
  CDA31823  Sesbania punicea C. Owens 2010-6-29 s.n. Placer Along Bear River, +/- 20 meters downstream from bridge (Highway 65). 0 Comment
  CDA2406  Setaria faberi K. Stark 1974-11-6 Placer Taylor Road, Loomis. 0 Comment
  UC1261252  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer s.e. corner Newcastle Rd. & Brenner Rd. Newcastle Comment
  UC1261251  Setaria viridis G. D. Barbe 1974-11-26 1985 Placer e. Roseville (fence line along Barton Rd. at Eureka Rd., n.w. corner) Comment
  RSA252691  Setaria viridis var. major G. D. Barbe 1974-11-26 1985 Placer Fence line along Barton Road at Eureka Road, Northwest corner, East of Roseville Comment
  CAS-BOT-BC438825  Sidalcea asprella subsp. asprella George K. Helmkamp; Mary Alice Barnes 2013-5-3 20463 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 Comment
  UCR249603  Sidalcea calycosa subsp. calycosa George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20826 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  OBI20167  Sidalcea glaucescens David J. Keil 1978-7-23 12933 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  RSA795079  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2011-8-26 18182 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  UC1124951  Sidalcea glaucescens N. French 1934-6-22 484 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2133 Comment
  UC1124961  Sidalcea glaucescens B. Bolt 1934-7-17 143 Placer 0.5 mi s Lost Emigrant Mine; Tahoe National Forest, Truckee Quad. 2072 Comment
  OBI2962  Sidalcea glaucescens Lewis S. Rose 1968-7-20 68187 Placer 2 mi E of Cisco Grove 1768 Comment
  POM282876  Sidalcea glaucescens Lyman Benson 1933-6-26 4545 Placer 4 miles west of Donner Pass, Sierra Nevada, Bear River Watershed, Canadian zone, US 40. 1982 Comment
  SEINET11992697  Sidalcea glaucescens J. H. Nishida 1985-1 791 Placer Homewood 1829 Comment
  UCD34163  Sidalcea hartwegii Beecher Crampton 1977-6-11 9500 Placer Placer County, 3.5 miles N.E. of Auburn, Dry Creek road just east of Elder's Corners. Comment
  UCR233237  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2011-7-9 17695 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  UCR241354  Sidalcea malviflora subsp. asprella George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19821 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.7 mile north of Robinson Flat Campground, about 26 miles northeast of Foresthill, Tahoe National Forest 2034 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
  UCD43172  Sidalcea oregana subsp. hydrophila C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 541 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CDA13684  Sidalcea oregana subsp. oregana G. F. Hrusa, J. Glazner 1997-8-3 14044 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC73960  Sidalcea oregana subsp. spicata Susi Urie 1998-8-18 98 -062 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  SBBG117216  Sidalcea oregana subsp. spicata B. Crampton 1972-7-26 8838 Placer Carpenter Flat, E of Emigrant Gap 1615 Comment
  CAS-BOT-BC178686  Silene Saichi Kawahara 1969-7-6 1456 Placer Bank of meadow, Mel Henderson Ranch 987 Comment
  CAS-BOT-BC178688  Silene John H. Thomas; Hazelle A. Thomas 1956-7-21 6115 Placer Vicintiy of Donner Pass, about 80 miles northeast of Sacramento - Sierra Nevada 2377 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
  UCR231854  Silene californica George K. Helmkamp, E. A. Helmkamp 2010-8-11 16765 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 3.7 miles north of Forest Hill Road 1140 Comment
  UC8424  Silene californica Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD98569  Silene csereii Lester J. Berry 1969-5-15 s.n. Placer Foresthill. Charles Finning Property. Comment
  UC163966  Silene douglasii H. M. Hall 1910-7-4 8742 Placer near Cisco; near Cisco 1890 Comment
  UC196525  Silene douglasii C. F. Sonne 1891-8-9 Placer on road to Tahoe canyon above Squaw Valley; Canyon above Squaw Valley on road to Tahoe Comment
  SD237401  Silene gallica G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15903 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, at Miners Valley Road, 4.5 miles south of junction with CA-49 at Pilot Hill (Pilot Hill 7.5'Q) 287 Comment
  UCD99017  Silene laciniata subsp. californica J. L. Wirka 1995-5-19 s.n. Placer About 1 km from the trailhead of the Steven's Trail that descends the north fork of the American River Canyon outside of Colfax, south of I-80. 400 Comment
  CAS-BOT-BC389027  Silene laciniata subsp. californica G. Earnhart 1961-4-2 6 Placer 2 1/2 miles east of Auburn, north fork of American River 396 Comment
  UC147556  Silene lemmonii Harriet A. Walker 1908-6-23 1233 Placer Blue Canyon 1432 Comment
  UCR190136  Silene vulgaris George K. Helmkamp, E. A. Helmkamp 2007-9-14 12953 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  SEINET4171040  Sisyrinchium bellum C. L. Hitchcock 1940-5-7 6340 Placer ca. 1 mile west of Baxter Comment
  JEPS73047  Sisyrinchium elmeri Betsy Wilson, Gladys L. Smith June 1972 3596 Placer near Alpine Meadows (n end of Lake Tahoe Region); Lake Tahoe Region 2072 Comment
  SACT002214  Sitanion hystrix D. Meyer 1983-7-24 Placer North of Interstate 80, roadside. 909.0 Comment
  SACT002219  Sitanion hystrix D. Meyer 1983-8-7 Placer Moist shady area, Louisiana Pacific Private Forest enterance. 2000.0 Comment
  SACT002224  Sitanion hystrix D. Meyer 1983-6-18 Placer Rock outcrop 1414.0 Comment
  SACT002229  Sitanion hystrix D. Meyer 1983-7-3 Placer 5.4 miles north of Foresthill Road. 1234.44 Comment
  SACT002231  Sitanion hystrix D. Meyer 1984-7-8 Placer Roadside 1758.0 Comment
  SACT002252  Sitanion jubatum D. Meyer 1984-6-23 Placer 3 km from I80 Frontage Road. 978.0 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
  CDA5940  Solanum dimidiatum T. C. Fuller 1968-7-22 17406 Placer 221 Elm Street, Roseville. 0 Comment
  UC1613935  Solanum umbelliferum Charles M. Belshaw 1935-6-8 1002 Placer between Colfax and Gold Run (near Baxter's Hotel, w side of Sierra Nevada); Sierra Nevada Comment
  UCD15443  Solidago altissima subsp. altissima A. M. Shapiro 1995-10-22 s.n. Placer city of Rocklin, in an old field along Interstate-80 frontage road. Comment
  RSA473635  Solidago californica Wm. Martin 1971-9-10 20243 Placer 1 mile north of Gold Run on Hwy. 80 991 Comment
  UCR260078  Solidago californica George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22420 Placer Sierra Nevada Mountains Foothills, Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road 651 Comment
  CAS-BOT-BC365505  Solidago elongata H. M. Hall 1910-7-10 8749 Placer Sierra Nevada Mountains. Cisco 1828 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
  UC579497  Solidago elongata H. S. Yates 1934-6-29 3900 Placer near Tahoe City; Truckee Quad. 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
  CAS-BOT-BC366000  Sonchus asper Gordon H. True 1968-7-10 4367 Placer Hwy. 20 between Yuba Gap and Bear Valley, 1 mile east of Lake Bowman Road 1554 Comment
  CAS-BOT-BC157304  Sorbus californica A. A. Heller 1909-7-16 9835 Placer Summit 2133 Comment
  POM312972  Sparganium natans Malcolm A. Nobs, S. Galen Smith 1949-8-21 1509 Placer Placer County: Marsh between sandy beach and Agate Bay, north end of Lake Tahoe Comment
  UCD150464  Spergula arvensis James A. Neilson Jr. 1971-9-9 2599 Placer Tahoe Basin, Tahoe City, McBride's Nursery / Tahoe Tree Company. 1889 Comment
  HSC82626  Spergularia rubra Thomas W. Nelson, Jane P. Nelson 1979-4-11 4610 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 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
  SEINET3157626  Spiraea betulifolia G. B. Grant 1906-1 1239 Placer Lake Tahoe, Sierra Nevada Mts. 2438 Comment
  CHSC85686  Spiraea densiflora G. F. Hrusa; J. Glazner 2000-9-3 15678 A Placer Northern Sierra Nevada. Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  CDA16035  Spiraea splendens G. F. Hrusa, J. Glazner 2000-9-3 15678 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  UCD34057  Sporobolus cryptandrus Beecher Crampton 1975-10-14 9330 Placer Emigrant Gap area on Interstate Hwy. 80 just E of Vista Point. 1524 Comment
  UCD93124  Sporobolus cryptandrus Beecher Crampton 1967-7-26 8166 Placer 1 mile E of Roseville, Interstate Hwy. 80W. Comment
  UCR231860  Stachys ajugoides var. rigida George K. Helmkamp, E. A. Helmkamp 2010-8-11 16759 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  RSA175346  Stachys albens Marcus E. Jones 1903-6-28 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC175328  Stellaria borealis subsp. sitchana Lewis S. Rose 1944-7-25 44263 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  CAS-BOT-BC391176  Stellaria longipes subsp. longipes John H. Thomas; Hazelle A. Thomas 1956-7-21 6221 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD43249  Stellaria longipes var. longipes C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 618 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC375009  Stenotus acaulis Elizabeth Parsons Hawver 1912-7-26 s.n. Placer Ellis Peak, Lake Tahoe Region Comment
  JEPS86478  Stenotus acaulis L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6555 Placer Sherman Chickering's Soda Springs holdings, ca. 5 mi SE of Donnar Lake E of Tinker Knob 2560 Comment
  POM57271  Stenotus acaulis C. F. Sonne 1897-08 14131 Placer Near Tinker's Knob 2744 Comment
  UC170071  Stenotus acaulis Miss Helen D. Geis 1912-6 54 Placer Deer Park. Crag Summit Comment
  CAS-BOT-BC375610  Stephanomeria lactucina C. F. Sonne 1885-8-2 193 Placer Sierra Nevada Mts. Along Truckee River Comment
  SACT002338  Stipa cernua Josephine Van Ess 1975-5-23 Placer Collected on south slope leading up to Volcano Hill. Open grassy slope. Comment
  SEINET3815515 Image available Stipa lettermanii George K. Helmkamp, E. A. Helmkamp 2012-5-11 18959 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 4.0 miles N of Forest Hill Road 1140 Comment
  UCR235377  Stipa lettermanii George K. Helmkamp, E. A. Helmkamp 2012-5-11 18959 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road 1140 Comment
  RSA27025  Streptanthus polygaloides C. L. Hitchcock 1940-5-15 6401 Placer 6 miles N of Colfax Comment
  CAS-BOT-BC87765  Streptanthus tortuosus Lewis S. Rose 1940-5-29 40415 Placer 3 miles northeast of Emigrant Gap. 1676 Comment
  CDA12296  Streptanthus tortuosus G. F. Hrusa 1989-5-2 7063 Placer Sierra Nevada; approx. 5 km. beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  UCR208578  Streptanthus tortuosus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14622 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
  UCR115100  Styrax officinalis var. redivivus G. Fred Hrusa 1995-5-20 12172 Placer Below Mosquito Ridge Road c. 1 km east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. 500 Comment
  UCD119105  Styrax redivivus M. Inaba 1998-5-30 22 Placer Gas Canyon Area. Comment
  UCD119107  Styrax redivivus M. H. Mills 1996-4-12 144 Placer 5830 Walden Lane, Loomis. 180 Comment
  UCD119121  Styrax redivivus G. H. Vansell 1930-5-7 2213 Placer Auburn. 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
  CAS-BOT-BC215297  Symphoricarpos mollis Mary P. Wells 1980-9-11 s.n. Placer Forest west of Pioneer Way, Tahoe City, Sierra Nevada 1981 Comment
  JEPS21741  Symphoricarpos mollis Marcus E. Jones, A. M. 1882-6-27 3292 Placer Emigrant Gap 1584 Comment
  UC1119985  Symphoricarpos mollis B. Bolt 1934-8-15 182 Placer 1 mi sw Goggins; El Dorado National Forest, Colfax Quad. 1676 Comment
  UCD74066  Symphoricarpos mollis Jennifer W. Burt 2005-7-17 75 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. 2020 Comment
  JEPS59430  Symphoricarpos mollis Ezra Brainerd and Viola B. Baird 1915-7-13 150 Placer cliff opposite Bear Rock Camp; Sierra Nevada Mountains 1920 Comment
  CAS-BOT-BC245734  Symphoricarpos rotundifolius A. A. Heller 1909-7-16 9846 Placer Summit 2133 Comment
  UCR171340  Symphoricarpos rotundifolius var. rotundifolius George K. Helmkamp, E. A. Helmkamp 2005-10-1 9972 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-BC97554  Symphyotrichum ascendens Margaret Williams 1974-8-8 74 -P1-26 Placer [Murphy's] Murphy Meadow, 5 miles southeast of Hirschdale 2316 Comment
  CHSC41120  Symphyotrichum bracteolatum James D. Jokerst 1983-10-11 1918 Placer Along the banks of Long Canyon Creek ca 1/4 miles SE of Blacksmith Flat. Comment
  CAS-BOT-BC98480  Symphyotrichum spathulatum H. M. Hall 12888 Placer Summit Station 2121 Comment
  JEPS126314  Symphyotrichum spathulatum Steve Matson 1997-7-6 46 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; along dirt road western extension of North Ave. Comment
  UC148933  Symphyotrichum spathulatum H. M. Hall 1910-7-11 8757 Placer Old Cisco Sierra Nevada Mountains 1737 Comment
  UCD136628  Symphyotrichum spathulatum Daryl Koutnik; Thomas Lanini, Thomas Wainwright 1978-10-19 s.n. Placer On western shore of Lake Tahoe. 1889 Comment
  UCD21698  Symphyotrichum spathulatum Beth Lowe Corbin 1982-8-3 183 Placer Onion Creek campground. In wet meadow. Perennial with rhizomes. Ray flowers purple, disc yellow. Full sun. SW slope. Locally abundant. 1841 Comment
  UCD43307  Symphyotrichum spathulatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 675 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UC65315  Symphyotrichum spathulatum P. B. Kennedy and S. B. Doten 1901-8-19 418 Placer 7 mi from French Meadows Comment
  CHSC74353  Symphyotrichum spathulatum var. spathulatum Susi Urie; Eric Schroder 1998-9-10 98 -317 Placer Antone meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CHSC68043  Taraxacum officinale James D. Jokerst 1986-7-13 2700 Placer Trail from the Cedars, high Sierra Nevada SW of Donner Lake, camp area. 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
  CHSC72875  Taraxia subacaulis L. P. Janeway; Eric Schroder 1998-7-13 5753 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  MACF019648  Taxus brevifolia F. A. MacFadden 1934-8-14 12872 Placer Canyon Creek- Dutch Hat, California Comment
  CAS-BOT-BC392403  Thalictrum fendleri Miss. T. V. Raphael 1923-7-6 s.n. Placer Cisco Comment
  UC1126226  Thalictrum fendleri N. French 1934-6-1 394 Placer Cisco Butte Tahoe National Forest, Colfax Quadrangle Comment
  RSA399564  Thalictrum fendleri Unspecified 1931-7-5 s.n. Placer Near Meeks Bay, Lake Tahoe. Comment
  UCD43938  Thalictrum fendleri var. fendleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1304 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 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
  CDA24995  Thlaspi arvense J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Disturbed area at base of wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCR257102  Thysanocarpus curvipes George K. Helmkamp, Amy Barnes 2014-4-23 22786 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  CAS-BOT-BC88166  Thysanocarpus curvipes Charles von Geldern 1912-5-1 s.n. Placer American River. Comment
  SEINET12437282  Thysanocarpus curvipes J. J. Murray 1965-3-15 s.n. Placer Auburn. Comment
  JEPS54221  Thysanocarpus radians Alice King Jun 1920 Placer Del Paso Park Roseville Comment
  CAS-BOT-BC228846  Torilis arvensis George K. Helmkamp; E. A. Helmkamp 2011-5-6 17218 Placer Eastern Edge of Sacramento Valley: Camp Far West Road, 0.1 mile west of its junction with McCourtney Road, c. 6.3 mi. NE (67 deg. ) of Wheatland 58 Comment
  RSA779397  Torilis arvensis George K. Helmkamp, Amy Barnes 2009-7-12 15189 Placer along Todd Valley Road, 0.1 mile south of its junction with Foresthill Road, c. 13 air miles NE of Auburn 854 Comment
  CDA5466  Torilis nodosa T. C. Fuller 1959-5-2 2415 Placer Warren Wilson property, Mt. Pleasant District, 5 miles northeast of Lincoln. 0 Comment
  JEPS5225  Torreya californica Rimo Bacigalupi 1952-7-20 3894 Placer off the Mosquito Ridge Road about 4 1/2 mi due e Foresthill (in canyon of Mad Creek, tributary (on n side of canyon) of the Middle Fork of the American River); Middle Fork of the American River, canyon of Mad Creek 670 Comment
  UCD43313  Torreyochloa pallida var. pauciflora C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 681 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD117029  Toxicodendron diversilobum Thomas Morley 1946-5-30 594 Placer Northeast of the Masonic Cemetery, Dutch Flat. 1005 Comment
  UCD39020  Tragopogon dubius Beecher Crampton 1960-11-2 5791 Placer 2 miles east of Bowman, along US Hwy. 40. Comment
  UCD138326  Triantha occidentalis F. H. Bolster 1912-8-31 46 Placer Long Lake Valley. 1981 Comment
  UCR257640  Trichostema lanceolatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-13 20016 Placer Sacramento Valley, Granite Bay, Folsom Lake; Park Road 1.8 miles north of the east end of Douglas Blvd. 146 Comment
  UC26040  Trichostema lanceolatum G. P. Rixford Aug 1896 Placer Comment
  UCD108301  Trifolium ciliolatum R. Tofsrud 1951-6-9 s.n. Placer Lake Arthur near Applegate on Hwy. 40. Comment
  JEPS111139  Trifolium ciliolatum Steve Matson 2005-4-17 1220 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  OBI12698  Trifolium cyathiferum Robert F. Hoover 1967-9-7 10857 Placer Antone Meadow Comment
  UC146419  Trifolium cyathiferum Miss Harriet A. Walker 1908-7-25 1386 Placer Cisco Comment
  UCD22008  Trifolium cyathiferum Rex Palmer 1979-7-9 N 449 Placer Headwaters basin area of the North Fork of the American River Comment
  SFV8467  Trifolium depauperatum L. Gould 1962-3-31 20 Placer Powerline Road about 4 miles west of Roseville. 46 Comment
  CAS-BOT-BC444014  Trifolium dubium George K. Helmkamp; Mary Alice Barnes 2013-5-3 20475 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 293 Comment
  CDA18398  Trifolium dubium G. D. Barbe, P. Hiatt 1980-6-3 2790 Placer Sierra Nevada; Hwy 49 at Rio Oso Rd., north of Auburn, at Placer Co line/Nevada Co. line. Comment
  SEINET7865170 Image available Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20475 Placer Foothills, northern Sierra Nevada Mountains; Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  UCR173252  Trifolium dubium George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10453 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
  CDA19487  Trifolium glomeratum M. I. Wibawa 2002-5-27 264 Placer Sacramento Valley; Folsom Lake, American River bike trail to Folsom Lake State Recreation Area. 91 Comment
  CDA37058  Trifolium glomeratum CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CAS-BOT-BC438829  Trifolium hirtum George K. Helmkamp; Mary Alice Barnes 2013-5-3 20472 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 962 Comment
  SD237452  Trifolium hirtum G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15933 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5'Q) 156 Comment
  SD248419  Trifolium hirtum George K. Helmkamp, Mary Alice Barnes 2013-5-3 20472 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 961 Comment
  SD255755  Trifolium hirtum George K. Helmkamp, Amy Barnes 2014-3-21 22643 Placer Sacramento Valley; Sheridan, Riosa Road at the west side of its junction with old CA 65. 32 Comment
  UC1278008  Trifolium hirtum B. Crampton 1957-5-7 3993 Placer 2 mi n Lincoln (along US Hwy 99E) Comment
  UCD80310  Trifolium hirtum CNPS SN Foothill Team 2005-4-12 SNFN 0105 b Placer Placer Legacy, Spears/Didion Ranch, located in the Spear's Ranch boundary off of Highway 49, above Coon Creek. 216 Comment
  CDA4332  Trifolium hybridum Hanley 1956-6-2 Placer Roseville/Lincoln. 0 Comment
  SEINET7072696  Trifolium incarnatum A. G. Vestal 1963-5-6 s.n. Placer North of Loomis and southeast of Lincoln on Sierra College Blvd. [Humphrey Road]. UTM Zone 10, 654588E, 43033126mN. Coordinate datum: NAD 27. Comment
  JEPS59433  Trifolium longipes Ezra Brainerd and Viola B. Baird 1915-7-10 153 Placer Deer Park Sierra Nevada Mtns 1920 Comment
  UCD111275  Trifolium longipes R. Tofsrud 1951-7-11 s.n. Placer Ice Lake, 4 mi. S of Soda Springs. Comment
  UC630808  Trifolium longipes var. hansenii A. A. Heller 1909-7-16 9860 Placer Summit 2133 Comment
  UCD38472  Trifolium microcephalum Beecher Crampton 1955-6-15 2870 Placer Head of Bunch Canyon. 0.5 miles south of US Hwy. 40. Forest Hill Road. Comment
  OBI78221  Trifolium monanthum Lewis S. Rose 1941-7-12 41307 Placer Chambers Lodge, (McKinney), Lake Tahoe 1920 Comment
  JEPS127430  Trifolium monanthum subsp. monanthum Steve Matson 1998-8-21 391 Placer nSNH Tahoe North shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; east of main boggy site on West Fork Snow Creek. Comment
  JEPS103491  Trifolium monanthum var. monanthum Lowell Ahart 2002-7-22 9887 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
  JEPS59434  Trifolium monanthum var. monanthum Ezra Brainerd and Viola B. Baird 1915-7-25 154 Placer above Inn (Deer Park); Sierra Nevada Mtns 2133 Comment
  UC147624  Trifolium pratense Miss Harriet A. Walker 1908-6-27 1335 Placer Blue Canyon 1432 Comment
  UCR250289  Trifolium pratense George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20800 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  OBI12652  Trifolium productum Robert F. Hoover 1967-9-5 10833 Placer Carnelian Bay, Lake Tahoe Comment
  UCD109307  Trifolium productum E. Wilson 1934-8-5 s.n. Placer Near Cisco. 1676 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
  CHSC90501  Trifolium variegatum Andrew D. Lane 1984-4-20 5 Placer Sheridan, about 1.2 km east of Hwy 65, about 0.75 km south of Bear River. 30 Comment
  UCD109433  Trifolium variegatum R. Tofsrud 1951-6-1 s.n. Placer Between Weimar and Colfax. Comment
  UCD109434  Trifolium variegatum R. Tofsrud 1951-6-1 s.n. Placer Between Weimar and Colfax. Comment
  UCD33051  Trifolium variegatum Beecher Crampton 1966-4-14 7647 Placer Placer County, 2.5 miles east of Lincoln. Comment
  UCD44659  Trifolium variegatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2025 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CDA28303  Trifolium willdenovii T. C. Fuller 1958-4-15 Placer Highway 99E, 0.5 mile north of Roseville. 0 Comment
  UC147859  Trifolium willdenovii Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe Comment
  UC16909  Trifolium willdenovii Mrs. M. M. Hardy 1893-1 Placer Comment
  UC498166  Trifolium wormskioldii Katharine Brandegee July 1911 Placer Tahoe Tavern Comment
  UCR244771  Trifolium wormskioldii Charles Hughes 2010-7-13 239 Placer Sierra Nevada Mountains, eastern edge of Truckee River near northwest corner of intersection of Alpine Meadows Road and Hwy 89 1888 Comment
  SEINET7249066  Triphysaria eriantha George K. Helmkamp, Amy Barnes 2013-1 Placer Comment
  CHSC96511  Triphysaria eriantha subsp. eriantha Lowell Ahart; Brian Williams 2007-4-13 13654 Placer On damp granite soil, 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
  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
  UC219134  Triphysaria eriantha subsp. eriantha unknown May, 1891 Placer Auburn Comment
  CHSC96512  Triphysaria pusilla Lowell Ahart; Brian Williams 2007-4-13 13655 Placer On damp granite soil, margins of vernal pools and 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
  JEPS113112  Triphysaria pusilla Lowell Ahart, Brian Williams 2007-4-13 13655 Placer On damp granite soil, margins of vernal pools and 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
  SD248499  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, Amy Barnes 2013-3-28 20297 Placer Eastern Sacramento Valley: northwest side of junctionof Riosa Road and Andressen Road, northeast of Sheridan. 35 Comment
  UCR234216  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
  UCR249527  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, Amy Barnes 2013-3-28 20297 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 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
  UCSC000017  Trisetum canescens Harriet A. Walker 2008-6-29 1500 Placer On trail to Campbell Lake - Cisco 1829 Comment
  CHSC67750  Trisetum projectum James D. Jokerst 1986-7-13 2711 Placer Trail from The Cedars, high Sierra Nevada NW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  SACT002444  Trisetum spicatum James Grove 1977-7-15 Placer 2000.0 Comment
  UC338354  Trisetum spicatum C. F. Sonne 1886-7-18 Placer Truckee River Sierra Nevada (High Mt.) Comment
  UCD75708  Trisetum spicatum Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5159 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, sides of trail. 2124 Comment
  RSA27140  Triteleia hyacinthina C. L. Hitchcock 1940-5-14 6378 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UC843587  Triteleia hyacinthina Marcus E. Jones, A. M. 1882-6-30 3513 Placer Emigrant Gap Comment
  UCR120495  Triteleia hyacinthina George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5073 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  UCR197278  Triteleia hyacinthina George K. Helmkamp, E. A. Helmkamp 2008-4-17 13295 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  UCR218119  Triteleia hyacinthina George K. Helmkamp, E. A. Helmkamp 2010-6-26 16396 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  SEINET8506345  Triteleia ixioides J. Vetter 1955-4-23 s.n. Placer 0.5 mile E of Loomis. 274 Comment
  UCR194977  Triteleia ixioides subsp. anilina George K. Helmkamp, E. A. Helmkamp 2007-5-18 11997 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.3 miles northeast of the bridge over the junction of North and West Forks of the American River 485 Comment
  CHSC11336  Triteleia ixioides subsp. scabra Lowell Ahart 1969-7-30 Placer Handy Camp, French Meadows. 1524 Comment
  UC3307&