Search Results — 2000 specimen records retrieved (1607 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CDA37459  Abies concolor D. G. Kelch 2011-10-3 11 .82 Placer Tahoe City. Granlibakken Resort. Comment
  HSC1335  Abies concolor R. A. Magie 1964-6-12 103 Placer Turn off of Hwy. 20, 6 mi. W of Hwy. 40 junction, 12 mi. towards Lindsay Lake 1982 Comment
  UCD116957  Acer glabrum Rex Palmer 1979-5-27 N 67 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD117109  Acer negundo Chester Dunbar 1969-4-10 102 Placer 1 mile south of Intersection of Road A5005 and Nicolaus Road. Comment
  CHSC10685  Achillea millefolium Lowell Ahart 1972-8-7 Placer French Meadows. 1524 Comment
  UC565936  Achillea millefolium H. S. Yates 1934-6-29 3882 Placer near Brockway 1920 Comment
  UCD128290  Achillea millefolium Eric Brenner; John Hunter 1996-5-26 009 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UC682051  Achnatherum lemmonii G. L. Stebbins Jr. 1941-7-16 3175 Placer 1 mi w along U. S. Highway 40 Cisco Grove; U. S. Highway 40 1706 Comment
  UCD22220  Achnatherum lemmonii Beth Lowe Corbin 1982-8-9 286 Placer 1/2 mile SW of Onion Creek Campground. S facing slope, 15% incline. Uncommon. Full sun. In rocky, fine, sandy soil. Open, logged, mixed conifer forest. Perennial. Leaves pale, bluish. 1767 Comment
  UCD22222  Achnatherum lemmonii Rex Palmer 1979-6-19 N 254 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD50470  Achnatherum lemmonii Beecher Crampton 1955-6-15 2910 Placer 3/4 miles south of Yankee Jim, Placer County. 914 Comment
  RSA0008969  Achnatherum lemmonii var. lemmonii Marcus E. Jones 1982-6-28 3298 Placer Emigrant Gap. Comment
  SEINET255890 Image available Achnatherum nevadense Mary E. Barkworth, LR Firestone 1987-8-20 4009 Placer Campground 0.7 mi south of I 89 to Tahoe City Interchange Truckee. Comment
  SEINET9344569  Achnatherum occidentale Unknown 1999-7-17 15118 Placer Placer Comment
  UCD55557  Achnatherum occidentale Beecher Crampton 1958-6-24 4959 Placer Placer-Nevada Co. line: Eastern edge of Martis Valley, ca. 4 miles east of Truckee. Comment
  SACT000020  Achnatherum occidentale subsp. californicum James Grove 1977-7-15 Placer 2000.0 Comment
  CHSC40962  Achnatherum stillmanii J. D. Jokerst 1984-6-23 2067 Placer In canyon of the Middle Fork American River. 1158 Comment
  UCD54020  Achnatherum stillmanii G. F. Hrusa; B. Meese 1997-3-26 13791 Placer Italian Bar Trail, N-facing slope to N. Fk. Amer. River, approx. 3 km. N of Foresthill Divide Rd. 900 Comment
  SDSU6824  Achyrachaena mollis unknown 1948-5-21 1835 Placer 457 Comment
  SEINET5327404  Acmispon brachycarpus A. Allen 1950-5-20 30 Placer 2 mi W st of Auburn on Grass Valley road, 305 Comment
  SEINET5327433  Acmispon micranthus A. Beninghoff 1930-4-19 1766 Placer 5 mi W Auburn Comment
  UCD104250  Acmispon nevadensis Beecher Crampton 1968-9-18 8385 Placer 1.5 miles E of Emigrant Gap on Interstate Hwy. 80W. 1676 Comment
  UCD41258  Acmispon parviflorus Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1715 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
  CHSC34612  Acmispon wrangelianus Lichael P. Crivello 1979-4-11 Placer 2.5 mi nne of Auburn, 200 yds n of confluence of North and Middle forks of American River. Comment
  SEINET7720541  Aconitum columbianum Unknown Placer Summit Soda Comment
  CAS-BOT-BC412849  Aconogonon davisiae G. Earle Kelley 1923-7-1 s.n. Placer Five Lakes, Tahoe Region Comment
  CAS-BOT-BC418774  Aconogonon phytolaccifolium John Thomas Howell 1943-7-21 18646 Placer Donner Pass to Mt. Lincoln Comment
  UCD83596  Aconogonon phytolaccifolium Albert Grigarick 2009-8-7 165 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 2171 Comment
  CDA11238  Actaea rubra G. F. Hrusa, T. Scarano 1994-8-31 11914 Placer Sierra Nevada; Duncan Creek at base of grade below French Meadows Reservoir, 1/4 m. upstream from bridge. Comment
  JEPS127526  Actaea rubra Steve Matson 2002-7-12 545 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; north of boggy area on west fork of Snow Creek. Comment
  SCFS1022  Adenocaulon bicolor E. Krimmel 2013-7-28 Placer North Fork American River, trail to Heath Falls Overlook. Stop #1 Comment
  SEINET5338294  Adiantum capillus-veneris K. Thorne, B. F. Harrison 755 Placer 2 miles east of Auburn, Middle fork of American River, south side of river, steep hillside cliffs, shaded woods. Comment
  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
  UCD13209  Aesculus californica Charles Martin 1986-4-27 21 Placer Folsom Lake, west end of Sierra Dr. in empty lot near lake. Elev. ca. 430 ft. 131 Comment
  UCR232216  Aesculus californica George K. Helmkamp, E. A. Helmkamp 2011-5-6 17216 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
  SEINET6646638  Aesculus glabra D. G. Cooney 1960-5-1 18 Placer East of Auburn 1372 Comment
  OBI48642  Agastache urticifolia C. F. Sonne 1983-8-27 285 Placer Sierra Nevada Mts. Canon above Colstream Comment
  CAS-BOT-BC15494  Agoseris X elata Mrs. E. Parsons 1910-7-26 s.n. Placer Sunnyside, Lake Tahoe Comment
  CHSC114669  Agoseris glauca CDFA Staff 1995-6-2 Placer Dry Creek. Comment
  CHSC74187  Agoseris glauca var. monticola Susi Urie 1998-9-4 98 -267 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CDA15945  Agoseris grandiflora G. F. Hrusa, J. Glazner 1999-7-17 15154 a Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS126325  Agoseris retrorsa Steve Matson 1999-6-12 406 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; just south of dirt road western extension of North Ave. Comment
  UC891244  Agoseris retrorsa C. L. Hitchcock 1940-5-7 6325 Placer ca 1 mi w Baxter Comment
  UCD21684  Agoseris retrorsa Beth Lowe Corbin 1982-8-4 223 Placer 1/4 mile NW of Onion Creek campground. 1950 Comment
  SACT000043  Agropyron desertorum D. Meyer 1984-7-21 Placer Near golf course 2000.0 Comment
  SACT000067  Agropyron trachycaulum D. Meyer 1983-8-20 Placer Moist roadside meadow, some vegetation following residential construction 2000.0 Comment
  SACT000078  Agropyron trachycaulum D. Meyer 1983-8-7 Placer Roadside wash 1758.0 Comment
  SACT000128  Agrostis diegoensis D. Meyer 1984-7-15 Placer Soda Springs Rd. 3.3 mi from Sevene Lakes Lodge. 1909.0 Comment
  CAS-BOT-BC127106  Agrostis exarata 12891 Placer Summit Station. 2121 Comment
  RSA129620  Agrostis exarata N. H. French 1933-6-6 72 Placer Near New Castle 305 Comment
  RSA757272  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2009-7-16 15191 Placer Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  SACT000087  Agrostis exarata D. Meyer 1984-6-10 Placer 436.0 Comment
  SACT000090  Agrostis exarata D. Meyer 1984-7-29 Placer 1661.0 Comment
  SACT000110  Agrostis exarata D. Meyer 1984-9-23 Placer Bladewood Creek, very wet rocky creek bed. 1212.0 Comment
  SACT000112  Agrostis exarata D. Meyer 1984-7-8 Placer Lake Valley Reservoir Picnic Area. Ground at lakeside. 1758.0 Comment
  SEINET3282796 Image available Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2009-7-16 15207 Placer Sierra Nevada Mountains; Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 Comment
  UCD38682  Agrostis exarata Beecher Crampton 1956-7-17 3729 Placer Blue Canyon. 1432 Comment
  UCR146666  Agrostis exarata Beecher Crampton 1970-6-26 8640 Placer Sierra Nevada Mountains, Gold Run 915 Comment
  UCD36675  Agrostis exarata var. pacifica Beecher Crampton 1955-6-15 2915 Placer Placer County, 6 miles west of Forest Hill. Comment
  CAS-BOT-BC139728  Agrostis gigantea Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  SACT000135  Agrostis idahoensis Michael Baad 1976-8-7 Placer red fir. lodge pole. pine forest. 2377.44 Comment
  CDA15931  Agrostis pallens G. F. Hrusa, J. Glazner 1999-7-17 15182 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. Uncommon rhizomatous grass in +- moist sites surrounded by open to +- closed Pinus jeffreyi, Artemisia tridentata, and Purshia tridentata grading into Abies concolor coniferous forest. 1889 Comment
  UCD22260  Agrostis pallens Rex Palmer 1979-7-26 N 815 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD44504  Agrostis pallens C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1870 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD53242  Agrostis pallens B. Bolt 1934-7-17 s.n. Placer 1/2 mile S.W. of Walker Mine. 1981 Comment
  UCD53249  Agrostis pallens E. Wilson 1934-8-5 s.n. Placer Near Cisco. Comment
  UCD53260  Agrostis pallens B. Bolt 1934-7-17 135 Placer 1/2 mi. S.W. of Walker Mine. Comment
  JEPS127496  Agrostis scabra Steve Matson 2002-11-7 773 Placer Tahoe west shore; Emerald Bay, Eagle Falls trailhead. Comment
  SACT000151  Agrostis scabra D. Meyer 1983-7-16 Placer 1212.0 Comment
  SACT000159  Agrostis scabra D. Meyer 1983-8-7 Placer Along Truckee River east bank 1879.0 Comment
  SACT000166  Agrostis scabra D. Meyer 1984-7-8 Placer at lakeside 1758.0 Comment
  SACT000170  Agrostis scabra D. Meyer 1984-9-9 Placer 1406.0 Comment
  UCD36702  Agrostis scabra Beecher Crampton 1955-7-13 2984 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD36706  Agrostis stolonifera Beecher Crampton 1955-7-13 2989 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD53578  Agrostis stolonifera R. Tofsrud 1951-7-1 s.n. Placer between Weimar and Colfax. Comment
  UCD75937  Agrostis stolonifera Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5165 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail between creek and trail. 2136 Comment
  SACT000198  Agrostis stolonifera var. major D. Meyer 1984-9-9 Placer east fork of the north fork of north fork of the American River 1394.0 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
  SACT000253  Agrostis variabilis Michael Baad 1976-8-4 Placer Shore of Mildred Lakes and northwest-facing slope of Mildred Ridge 2438.4 Comment
  UCD32809  Agrostis variabilis Beecher Crampton 1964-7-21 7119 Placer Placer County, 1/2 mile W.N.W. of Cisco Grove, US Hwy. 40. Comment
  UC1618251  Aira caryophyllea Barbara Ertter with David Thompson 1989-4-8 8163 Placer Iowa Creek Road 2 mi from I-80 near entrance to Auburn State Recreation Area (at creek crossing); Iowa Creek Road 518 Comment
  UC790971  Aira caryophyllea A. A. Beetle 1941-5-26 2710 Placer hillside near Cisco 914 Comment
  UCD55785  Aira caryophyllea August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  CAS-BOT-BC464521  Allium campanulatum John H. Thomas; Hazelle A. Thomas 1956-7-21 6139 Placer Sierra Nevada. vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  UC147614  Allium campanulatum Miss Harriet A. Walker 1908-6-23 1360 Placer Blue Canyon 1432 Comment
  CAS-BOT-BC464523  Allium campanulatum C. F. Sonne 1886-7-18 412 Placer open woods on Truckee River Comment
  JEPS106452  Allium jepsonii Barrett Anderson 2003-6-22 4893 Placer 1340 ft; NE corner of the intersecton of Dry Creek Road and Blue Grass Drive, approx. 0.8 mi E of Hwy 49. Serpentine outcrop with a seep. 408 Comment
  SCFS1194  Allium obtusum E. Krimmel 2014-4-21 Placer Pt. Mariah Comment
  UCD158862  Allium obtusum G. Ledyard Stebbins 1971-7-25 8047 Placer 0.5 mile north of summit of Snow Mountain, south of Soda Springs. (Exact location unknown. Coordinates estimated by label maker.) 2346 Comment
  CAS-BOT-BC474087  Allium platycaule John H. Thomas; Hazelle A. Thomas 1956-7-21 6091 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  SJSU7111  Allium platycaule R. L. Fisher 1959-6-22 Placer Lead Mine area of Sugar Bowl, SE of Norden 1981 Comment
  JEPS14036  Allium sanbornii var. congdonii Rimo Bacigalupi with A. Hawkes, G. L. Stebbins, D. Zohary, H. Stutz, J. Hunziker, F. Ehrendorfer 1952-7-20 3890 Placer serpentine hill just s Shirttail Public Camp (7 mi e of Iowa Hill); Tahoe National Forest 1188 Comment
  CAS-BOT-BC476705  Allium validum Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadoes 1600 Comment
  SBBG64455  Allophyllum divaricatum M. N. Ackley -Jun-1925 807 Placer Gold Run 983 Comment
  CHSC40029  Allophyllum gilioides L. S. Rose 1941-7-8 41291 Placer Chambers Lodge (McKinney), Lake Tahoe. 2100 Comment
  CHSC61613  Allophyllum gilioides L. S. Rose 1941-7-9 41299 Placer Chambers Lodge (McKinney), Lake Tahoe. 2100 Comment
  SEINET14440331  Allophyllum integrifolium B. Bolt 1934-7-10 93 Placer 2 miles S of Huysink Lake. Comment
  CAS-BOT-BC453438  Allotropa virgata Mrs. S. Earle Kelley 1923-7-1 s.n. Placer Rockbound Lake, Tahoe Region Comment
  SCFS11529128  Alnus incana E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Comment
  UCD22113  Alnus incana subsp. tenuifolia Beth Lowe Corbin 1982-8-2 166 Placer Onion Creek Campground. South facing slope. Full sun. All along Onion Creek, in mixed conifer forest. Tall shrub 1-2 m tall, with greyish bark. 1841 Comment
  CAS-BOT-BC138159  Alopecurus aequalis var. aequalis W. R. Dudley 1900-6-28 s.n. Placer Tallac. Comment
  SACT000310  Alopecurus howellii Josephine Van Ess 1978-5-9 Placer Collected 1/2 mile south of the northern turn toward highway 65. vernal pool. roots under water. 39.6 Comment
  CAS-BOT-BC142912  Amelanchier Betty J. Jorgensen 1944-6-30 508 Placer Yuba River near Donner Summit Lodge Comment
  SEINET6190548  Amelanchier pallida P. A. Lehenbauer 1932-6-26 s.n. Placer Tahoe City Comment
  POM256331  Amelanchier pumila V. Newsom 1940-7-16 265 Placer On Hwy 2 miles of S Tahoe City. 1905 Comment
  CDA15636  Amelanchier utahensis G. F. Hrusa, J. Glazner 1999-7-18 15202 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  OBI39814  Amelanchier utahensis Joy H. Nishida 1985-7-10 767 Placer Homewood 1829 Comment
  UCD22262  Amelanchier utahensis Beth Lowe Corbin 1982-8-3 202 Placer Hill NW of Onion Creek Campground. 1853 Comment
  CAS-BOT-BC180674  Amorpha californica var. californica H. M. Hall; F. M. Essig 1916-6-5 10159 Placer Bear River at Gautier Bridge, northern Placer County, on the westerly slope of the Sierra Nevada 400 Comment
  CDA40477  Amsinckia intermedia T. C. Fuller 1966-5-11 14630 Placer Growing grounds of California Nursery, Loomis. 0 Comment
  UC1178280  Amsinckia intermedia Francia Chisaki 1956-4-20 687 Placer on Roseville Road, Antelope Antelope 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
  UCD36119  Andropogon virginicus Beecher Crampton 1952-11-9 919 Placer Placer County, 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  UC1122888  Angelica breweri B. Bolt 1934-8-21 184 Placer 1 mi se of Johnson's Monument (Tahoe National Forest); Tahoe National Forest 2225 Comment
  UCD75949  Angelica breweri Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5190 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
  UCR190224  Angelica breweri George K. Helmkamp, E. A. Helmkamp 2007-8-1 12649 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  UCD116184  Anoda cristata Dr. Blake 1930-10-24 s.n. Placer Penryn Dist. Comment
  UC29466  Antennaria argentea C. F. Sonne Jul 7 1886-Jan 1 1900 Placer on, (woods) Truckee River; Sierra Nevada Mountains Comment
  JEPS111289  Antennaria geyeri Steve Matson 2005-7-4 1370 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
  NY158261  Antennaria media C. F. Sonne 1892-7-31 s.n. Placer [Cold... or Gold...] Comment
  CAS-BOT-BC77286  Antennaria microphylla John Thomas Howell 1943-7-21 18639 Placer Donner Pass to Mt. Lincoln Comment
  UC65330  Antennaria rosea P. B. Kennedy and S. B. Doten 1901-8-10 Placer summit of Devils; Summit Soda Springs Comment
  CAS-BOT-BC84725  Anthemis cotula John Thomas Howell; Gordon H. True 1971-7-1 48317 Placer North limits of Lincoln 48 Comment
  SACT000335  Anthoxanthum odoratum Josephine Van Ess 1976-6-16 Placer Eureka Road just west of Eureka School. Wet springy area. 103.7 Comment
  SACT000341  Anthoxanthum odoratum D. Meyer 1984-6-3 Placer Crother Road, 1.6km north of Applegate, shady oak woodland, moist area. 606.0 Comment
  UC815547  Anthoxanthum odoratum C. L. Hitchcock 1940-5-7 6316 Placer 1 mi w of Baxter Comment
  UCD36118  Anthoxanthum odoratum Beecher Crampton 1952-11-9 918 Placer Placer County, 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  UCD56275  Anthoxanthum odoratum Beecher Crampton 1955-6-15 2863 Placer 3 miles east of Weimar. Comment
  CDA14416  Aphanes occidentalis D. Joley 1995-5-12 Placer Dry Creek Road, I-80 east of Auburn near Applegate. 0 Comment
  CAS-BOT-BC218514  Apiaceae Saichi Kawahara 1969-5-24 826 Placer Slope overlooking north fork of the American River, on the Colfax-Iowa Hill Road betwen Dinner Tree and Windy Point 585 Comment
  SD234269  Apocynum androsaemifolium G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12209 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 8.5 miles east of its junction with Forest Hill Road in Foresthill. 487 Comment
  UCD150266  Apocynum androsaemifolium James A. Neilson Jr. 1971-8-31 2563 Placer Tahoe Basin, King's Beach (Oakwood). 1901 Comment
  UCR231836  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2010-8-14 16785 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
  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
  SEINET7923473  Apocynum androsaemifolium P. A. Lehenbauer 1933-8-6 2606 Placer Tahoe near Homewood Comment
  UCD121209  Apocynum androsaemifolium Collector Unknown Date Unknown s.n. Placer W Placer County. Exact locality unknown. Comment
  UCD121211  Apocynum androsaemifolium Collector Unknown Date Unknown s.n. Placer W Placer County. Exact locality unknown. Comment
  RSA779398  Apocynum cannabinum George K. Helmkamp, Amy Barnes 2009-7-12 15190 Placer along Todd Valley Road, 0.1 mile south of its junction with Foresthill Road, c. 13 air miles NE of Auburn 854 Comment
  UC1123482  Apocynum cannabinum N. French and R. Clar 1933-6-26 84 Placer near Rocklin Sacramento Quad. Comment
  UC465563  Aquilegia W. A. Setchell, C. C. Dobie Jul 6 1901-Jul 21 1901 Placer Cascade Mtns Lake Tahoe vicinity Comment
  SCFS1042  Aquilegia formosa E. Krimmel, F. Felix 2014-8-7 Placer North Fork American River, Headwaters Basin, Needle Lake 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
  UC853791  Aquilegia formosa Marcus E. Jones 1882-6-28 2614 Placer Emigrant Gap Comment
Read comments
Sep 7 2010
  UCD164652  Aquilegia formosa Brandi Sorensen 1995-6-1 29 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD22176  Aquilegia formosa Rex Palmer 1979-6-20 N 350 Placer Headwaters basin area of the North Fork of the American River Comment
  RSA0053709  Aquilegia formosa var. formosa G. K. Helmkamp, E. A. Helmkamp 2012-9-25 19797 Placer Northern Sierra Nevada Mountains along Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  RSA537721  Arabidopsis thaliana Barbara Ertter 1989-4-9 8196 Placer halfway down road to Lake Clementine (N Fork Lake) NE of Auburn. 305 Comment
Read comments
Nov 19 2015
  CAS-BOT-BC409995  Arceuthobium campylopodum Lowell Ahart 1972-6-28 s.n. Placer French Meadows 1524 Comment
  UCD34189  Arceuthobium campylopodum Beecher Crampton 1977-10-2 9539 Placer Placer County, 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek Road. Comment
  UC1078827  Arceuthobium campylopodum Job Kuijt 1957-5-18 1333 Placer 1 mi n Tahoe City (on Hwy 89) 1798 Comment
  UC1078832  Arceuthobium campylopodum Job Kuijt 1957-5-18 1339 Placer 1.5 mi e Tahoe State Park (on Hwy 28) Comment
  UC191532  Arceuthobium campylopodum C. F. Sonne 1889-7-9 Placer near Lake Tahoe Comment
  CAS-BOT-BC24182  Arctostaphylos Saichi Kawahara 1969-7-6 1470 Placer On Finning Mill Road just south of Sugar Pine Road, Tahoe National Forest. 1139 Comment
  CAS-BOT-BC24209  Arctostaphylos John Thomas Howell 1976-7-18 51932 Placer Carnelian Bay, Lake Tahoe 1905 Comment
  CAS-BOT-BC24241  Arctostaphylos mewukka C. Hart Merriam 1911-11-5 s.n. Placer W. slope of Sierra Nevada. Gorge Station, C.P.R.R. 1219 Comment
  POM76735  Arctostaphylos nevadensis Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  UC682104  Arctostaphylos nevadensis G. L. Stebbins Jr. 1942-9-1 3335 Placer along Southern Pacific railroad track 1/2 mi s Blue Canyon Station 1390 Comment
  SEINET7262862  Arctostaphylos nevadensis A. Hogan 1923-7-29 1035 Placer [Sierra Nevada] Homewood, Lake Tahoe Comment
  SCFS1105  Arctostaphylos nevadensis subsp. nevadensis E. Krimmel 2013-6-2 Placer Soda Springs Road, south of NF River Comment
  CAS-BOT-BC42101  Arctostaphylos patula T. S. Brandegee 1888-1-1 34 Placer Blue Canyon Comment
  CAS-BOT-BC42145  Arctostaphylos patula Olga Reifschneider 1955-5-29 s.n. Placer Martis Peak Road, Hirschdale, 9 miles east of Truckee 2133 Comment
  CAS-BOT-BC42147  Arctostaphylos patula C. Hart Merriam 1911-11-5 s.n. Placer West slope Sierra Nevada near Alta Station (CPRR) 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
  OBI20020  Arctostaphylos patula David J. Keil 1978-7-23 12940 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UCD15603  Arctostaphylos patula Lisa Montany 1985-5-18 19 Placer Mosquito Ridge Rd, 21.8 miles west of Forest Hill Rd. Comment
  SEINET2028707 Image available Arctostaphylos viscida H. F. Copeland 1933-3-12 a 2 Placer 3 miles above Colfax Comment
  UCD52188  Arctostaphylos viscida Beecher Crampton 1955-6-15 2904 Placer Yellow pine forest, Yankee Jim, Placer County. 807 Comment
  SEINET7268702  Arctostaphylos viscida J. Ridley 1959-3-29 2 Placer 3 miles south of Auburn on Highway 49. 442 Comment
  CAS-BOT-BC47057  Arctostaphylos viscida subsp. viscida C. L. Hitchcock 1940-5-14 6380 Placer Meier Ranch, ca. 6 mi. n. of Colfax. 762 Comment
  CAS-BOT-BC47059  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-12 A 2 Placer 3 mi. above Colfax. Comment
  CAS-BOT-BC47068  Arctostaphylos viscida subsp. viscida C. Hart Merriam 1911-11-5 s.n. Placer Gorge Station, w. slope Sierra CPRR. 1219 Comment
  POM202780  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11121 Placer 3 miles above Colfax near the road. Comment
  RSA637022  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24913 Placer Forest Hill Road, 13 km west of Forest Hill, northeast of Auburn. 590 Comment
  UC1121445  Arctostaphylos viscida subsp. viscida N. French 1934-5-29 378 Placer 1 mi w Lake Spaulding; Tahoe National Forest, Colfax Quadrangle Comment
  UC82995  Arctostaphylos viscida subsp. viscida Katharine Brandegee June 1889 Placer Blue Canyon Comment
  UC876564  Arctostaphylos viscida subsp. viscida P. A. Lebenbauer 1934-6-23 Placer above Colfax 914 Comment
  UC852269  Arenaria congesta var. suffrutescens Lewis S. Rose 1940-5-29 40416 Placer 3 mi ne Emigrant Gap 1676 Comment
  CAS-BOT-BC137568  Aristida oligantha Catherine Best 1984-8-11 1031 Placer Sierra Nevada. South Campground Camp Far West Reservoir. 91 Comment
  SCFS1049  Arnica E. Krimmel, F. Felix 2014-8-7 Placer North Fork American River, Headwaters Basin, Needle Lake Comment
  CHSC73916  Arnica chamissonis Susi Urie 1998-8-18 98 -061 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CAS-BOT-BC82206  Arnica chamissonis C. F. Sonne 1884-7-23 189 Placer Meadow near Mill on Truckee River Comment
  CAS-BOT-BC82212  Arnica chamissonis John Thomas Howell 1925-7-5 1385 Placer Armstrong's, Emerald Bay, Lake Tahoe 1889 Comment
  POM252782A  Arnica ciliaris C. F. Sonne 1896-8-2 s.n. Placer Tahoe Comment
  UCD74026  Arnica cordifolia Jennifer W. Burt 2005-7-11 117 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1986 Comment
  CAS-BOT-BC85175  Arnica mollis Arnold Tiehm 1974-8-8 5201 Placer Sierra Nevada, Murphy's Meadow 2407 Comment
  SEINET6775086 Image available Arnica mollis A. Tiehm, E. McPherson 1974-1 520 Placer Juniper creek 2408 Comment
  UC159242  Arnica mollis Miss Harriet A. Walker 1910-6-18 2020 Placer on road to Deer Park 1981 Comment
  CAS-BOT-BC85136  Arnica nevadensis Elizabeth Parsons Hawver 1911-8-1 s.n. Placer Lake Tahoe Region - Madden Creek, upper meadows Comment
  CAS-BOT-BC85145  Arnica nevadensis C. F. Sonne 1897-7-1 s.n. Placer Mt. Anderson 2438 Comment
  JEPS20971  Arnica nevadensis C. F. Sonne 1888-8-12 190 Placer near Truckee; Sierra Nevada Mountains Comment
  SEINET11837497  Arnica nevadensis C. F. Sonne 1885-1 s.n. Placer Anderson's Peak. Trukee Knob Comment
  POM31362  Arnica parryi subsp. sonnei Marcus E. Jones 1902-9-1 s.n. Placer Alta Comment
  UCD36674  Arrhenatherum elatius Beecher Crampton 1955-6-15 2913 Placer Placer County, 0.5 mile north of Forest Hill, on road to Yankee Jims. Comment
  SEINET6775244 Image available Artemisia arbuscula L. Asche 1972-9-9 s.n. Placer Basin Peak Comment
  UCD129252  Artemisia douglasiana Rex Palmer Date Unknown N 888 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC90401  Artemisia douglasiana P. B. Kennedy; S. B. Doten 1901-8-19 420 Placer 7 miles from French Meadows Comment
  SEINET6775388 Image available Artemisia douglasiana P. B. Kennedy, S. B. Doten 1901-8-19 420 Placer 7 miles from French Meadows, Talbot's Home Camp Comment
  UC201315  Artemisia ludoviciana subsp. incompta A. A. Heller 1917-8-13 12898 Placer n of Summit Hotel (base of a cliff) 2164 Comment
  SJSU8171  Artemisia ludoviciana subsp. ludoviciana H. T. Harvey 1958-8-19 Placer Sugar Bowl 1 mi S of Donner summit 2164 Comment
  UC91244  Artemisia norvegica subsp. saxatilis C. F. Sonne 1889-7-29 Placer mts. above Bear Valley; Truckee River, Bear Valley Comment
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Apr 3 2021
  SEINET2473493 Image available Artemisia tripartita subsp. tripartita A. Juncosa 2005-8-12 3128 Placer Placer County, about 5 air miles WSW of Tahoe City, SE slopes of Ward Peak. 2440 Comment
  SACT000349  Arundo donax D. Meyer 1984-5-28 Placer 48.5 Comment
  CAS-BOT-BC400749  Asarum lemmonii Marcus E. Jones 1882-6-29 3499 Placer Emigrant Gap Comment
  CAS-BOT-BC400751  Asarum lemmonii Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  UC372822  Asarum lemmonii Marcus E. Jones 1882-6-29 3499 Placer Emigrant Gap Comment
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Apr 7 2018
  UC6195  Asarum lemmonii Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD121253  Asclepias cordifolia Al Franklin 1987-5-1 87 -7 Placer 1.3 miles east of I-80 on Foresthill Road, just outside Auburn, east side of N. Fork American River Canyon. 396 Comment
  POM76173  Asclepias fascicularis Marcus E. Jones 1882-7-8 s.n. Placer Auburn Comment
  SCFS1003  Asclepias speciosa E. Krimmel 2014-6-26 Placer Edge of Soda Springs road, across from Cedars driveway Comment
  UC1123570  Asclepias speciosa G. T. Nordstrom 1934-6-19 118 Placer 1/2 mi w of mouth Monumental Creek; Tahoe National Forest, Colfax Quadrangle Comment
  CAS-BOT-BC474548  Asclepias speciosa James A. Neilson 1971-7-25 2283 Placer Tahoe Basin, King's Beach 1901 Comment
  POM120737  Aspidotis densa Marcus E. Jones 1882-6-27 5 m-11-26 Placer Emigrant Gap. Comment
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Sep 7 2010
  CAS-BOT-BC69579  Aspidotis densa Nora Pettibone; Frank W. Hubby 1892-9-1 s.n. Placer Lake Tahoe, Sierra Nevada Mt. 1828 Comment
  CHSC73918  Aster alpigenus var. andersonii Susi Urie 1998-8-26 98 -102 Placer Lake Tahoe Basin Management Unit - National Forest. Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CHSC74191  Aster alpigenus var. andersonii Susi Urie 1998-9-2 98 218 B Placer Lake Tahoe Basin Management Unit - National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  POM57913  Aster breweri A. M. Carpenter 1892-08 5049 Placer [No locality information on label] Comment
  CDA16047  Aster eatonii G. F. Hrusa, J. Glazner 2000-9-3 15665 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of Crow's Nest ski run. 2164 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
  RSA747125  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2008-8-20 14031 Placer Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  UCR257623  Aster occidentalis var. occidentalis George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19529 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
  SCFS1029  Asteraceae E. Krimmel 2013-7-28 Placer North Fork American River, trail to Heath Falls Overlook. Stop #1 Comment
  UCD104669  Astragalus canadensis var. brevidens A. A. Heller 1917-8-13 12904 Placer Near Summit hotel. Comment
  SD113710  Astragalus gambelianus Darley F. Howe 1948-5-21 1842 Placer 4.0 miles north of Auburn. Comment
  JEPS127426  Astragalus purshii var. tinctus Steve Matson 1998-5-17 202 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area north of Highway 267. Comment
  CAS-BOT-BC200880  Astragalus whitneyi var. lenophyllus John Thomas Howell 1943-7-21 18672 Placer Mt. Lincoln Comment
  UCD38680  Asyneuma prenanthoides Beecher Crampton 1956-7-17 3730 Placer Blue Canyon. 1432 Comment
  UCD23226  Athyrium filix-femina Beth Lowe Corbin 1982-8-13 339 Placer 1 mile west of The Cedars. In sandy soil between rocks along the north fork of the American River. 1630 Comment
  RSA692528  Athyrium filix-femina subsp. cyclosorum May N. Ackley 1953-1 4943 Placer [no locality information provided] Comment
  CHSC10695  Athyrium filix-femina var. cyclosorum Lowell Ahart 1966-8-12 Placer Near French Meadows. 1676 Comment
  UC399390  Athyrium filix-femina var. cyclosorum Mrs. Carlotta C. Hall July 1912 Placer Lindsay; Middle Fork Feather River 1249 Comment
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Oct 12 2010
  SACT000359  Avena barbata Michael Baad 1983-4-17 Placer 4 miles South of Interstate 80 on Ponderosa Road 411.48 Comment
  SACT000366  Avena barbata Josephine Van Ess 1975-5-15 Placer collected along path from homestead site. 91.5 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
  SD43641  Balsamorhiza deltoidea Darley F. Howe 1948-5-23 1859 Placer American River 305 Comment
  CHSC26005  Balsamorhiza hookeri James Henrickson 1969-5-25 3405 Placer 102 mi NE of Sacramento, 4 mi SE of Truckee along Hwy 267. 1828 Comment
  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
  UCD21700  Balsamorhiza sagittata Rex Palmer 1979-6-20 N 321 Placer Placer County Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC16556  Barbarea orthoceras Alice Eastwood 1912-6-15 412 Placer Lake Tahoe Region. Deer Park. Comment
  JEPS53020  Barbarea orthoceras Leland S. Smith 1928-6-9 2320 Placer Squaw Valley Ranger Station Tahoe Forest, Squaw Valley (in pasture) 1889 Comment
  RSA0037368  Barbarea orthoceras George K. Helmkamp, Mary Alice Barnes 2013-5-3 20485 Placer Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 ) of Foresthill 829 Comment
  UCD22358  Barbarea orthoceras Rex Palmer 1979-7-12 N 631 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22359  Barbarea orthoceras Rex Palmer 1979-7-12 N 629 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD63142  Barbarea orthoceras A. M. Shapiro 2007-6-13 s.n. Placer California. Placer County: Along railroad tracks near Soda Springs. 2115 Comment
  UCR250688  Barbarea orthoceras George K. Helmkamp, Mary Alice Barnes 2013-4-18 20349 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  JEPS113294  Bellardia trixago L. P. Janeway 2006-5-10 8594 Placer Sacramento Valley. Northeast side of Hwy 65, 2.8 road km northwest of central Lincoln, at upper drive into clay pits. Comment
  UCR235379  Berberis aquifolium var. repens George K. Helmkamp, E. A. Helmkamp 2012-5-11 18961 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
  POM350843  Bidens frondosa Wm. Martin 1971-9-10 20205 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  UCD129459  Bidens frondosa Beecher Crampton 1975-9-9 9276 Placer Gold Run rest area along Interstate Hwy. 80 W. 914 Comment
  UCSB70080  Bidens frondosa Helmkamp, G.; Helmkamp, E. 2007-9-14 Placer Foothills, northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCR177019  Blennosperma nanum var. nanum George K. Helmkamp, E. A. Helmkamp 2006-2-9 10057 Placer Northern Central Valley, WNW of Loomis along Sierra College Blvd near Clover Valley Road [Del Mar Avenue and Grange Avenue] 122 Comment
  CAS-BOT-BC15813  Boechera arcuata Alice Eastwood 1909-1-1 s.n. Placer Lake Tahoe Region. Sunnyside. Comment
  JEPS53134  Boechera covillei C. F. Sonne Jul 1887 1390 Placer Mountain Meadows on Truckee River Truckee River 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
  UC186849  Boechera sparsiflora C. F. Sonne 1885-6-21 Placer Truckee River (Polo Creek) Truckee River Comment
  RSA6524  Boisduvalia densiflora Jens Clausen 1932-9-16 651 Placer 2.8 miles from Auburn on the Sacramento Road Comment
  CHSC11101  Boykinia major Lowell Ahart 1966-8-12 Placer Near French Meadows. 1676 Comment
  UC1127175  Boykinia major N. French 1934-7-7 498 Placer Texas Hill; Tahoe National Forest, Colfax Quad., Texas Hill Comment
  CAS-BOT-BC417620  Boykinia major Lillian Mott 1975-8-4 51 LM74 Placer French Meadows Reservoir on American River Comment
  UCD13303  Boykinia occidentalis Thomas G. Lowrie 1973-6-3 71 Placer Placer CO. Mosquito Ridge road. Comment
  SEINET11195093  Brassica rapa J. Ridley 1959-3-29 4 Placer Open field 1 mile E of Hwy 89, 2 miles N of Roseville. 49 Comment
  CAS-BOT-BC145514  Briza minor A. A. Beetle 1941-5-26 2711 Placer Near Cisco. 914 Comment
  UCD77163  Brodiaea appendiculata Robert E. Preston 2004-4-25 2225 Placer Ca. 4 mi NE of Sheridan, along Camp Far West Rd 32 Comment
  UCD77141  Brodiaea coronaria Robert E. Preston 2004-4-25 2222 Placer Ca. 2.3 mi NW of Roseville, along Phillip Rd, ca. 1.25 mi W of its jct with Fiddyment Rd. 32 Comment
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Jun 17 2014
  SEINET9364702  Brodiaea elegans Unknown 2010-6-26 16372 Placer Sierra Nevada Mountains Foothills Comment
  UC1134031  Brodiaea elegans subsp. elegans G. T. Nordstrom 1934-6-21 144 Placer 2 mi w Mammoth Spring; Tahoe National Forest, Colfax Quadrangle Comment
  UC337865  Brodiaea elegans subsp. elegans unknown 1889-6-12 Placer near Blue Canyon Comment
  UCD147856  Brodiaea rosea subsp. vallicola Robert E. Preston 2013-4-15 2910 Placer Between Roseville and Lincoln, 200 ft E of Hwy 65, 0.7 mi N of Sunset Blvd. 47 Comment
  CAS-BOT-BC144325  Bromus W. R. Dudley 1900-6-28 s.n. Placer Near Tallac. Comment
  CAS-BOT-BC144326  Bromus W. R. Dudley 1900-6-28 s.n. Placer Tallac. Comment
  SACT000502  Bromus carinatus Michael Baad 1976-7-17 Placer 1.5 miles west of Alpine Meadows Ski Area northwest corner 2225.04 Comment
  UCD58160  Bromus carinatus Frederica Bowcutt 1994-7-22 1951 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp on ridge SE of pond site. 2438 Comment
  UCD22240  Bromus carinatus var. carinatus Rex Palmer 1979-7-12 N 613 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22242  Bromus carinatus var. carinatus Rex Palmer 1979-7-9 N 448 Placer Headwaters basin area of the North Fork of the American River Comment
  CHSC68069  Bromus carinatus var. marginatus James D. Jokerst 1986-7-12 2684 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, on N side of river. Comment
  UCD59163  Bromus carinatus var. marginatus L. S. Smith 1916-8-3 723 Placer Cold Stream Meadow. 1920 Comment
  CAS-BOT-BC156283  Bromus catharticus John Thomas Howell; Gordon H. True 1968-6-9 44512 Placer Sierra Nevada. Alta. 1066 Comment
  SACT000530  Bromus diandrus D. Meyer 1983-5-15 Placer field at SE corner. 36.6 Comment
  SACT000532  Bromus diandrus D. Meyer 1983-6-5 Placer on the turnoff, along roadside 487.68 Comment
  SACT000667  Bromus diandrus Josephine Van Ess 1975-5-23 Placer South end of upper part of Volcano hill. Orangevale. 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
  CDA36882  Bromus hordeaceus CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UCR257600  Bromus hordeaceus George K. Helmkamp, Amy Barnes 2014-3-21 22641 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  SACT000563  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-7-3 Placer 5.4 miles north of Foresthill Road 1234.44 Comment
  SACT000554  Bromus inermis D. Meyer 1984-7-21 Placer near golf course 2000.0 Comment
  CDA15639  Bromus laevipes G. F. Hrusa, J. Glazner 1999-7-18 15194 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  CDA15965  Bromus laevipes G. F. Hrusa, J. Glazner 1999-7-17 15123 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCR235617  Bromus laevipes George K. Helmkamp, E. A. Helmkamp 2012-5-5 18910 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
  SEINET10520254  Bromus laevipes Alan A. Beetle 1941-5-26 Beetle 2726 Placer Near Cisco, shrubby hillside, sandy loam. Assoc. Festuca pacifica, megalura, Bromus rigidus. 914 Comment
  UCD58997  Bromus madritensis A. A. Beetle 1941-5-26 2709 Placer Near Cisco. 914 Comment
  UC1131199  Bromus madritensis subsp. rubens N. French 1933-6-6 73 Placer near Newcastle 213 Comment
  SACT000692  Bromus marginatus D. Meyer 1983-8-20 Placer from road to first lake, steep rocky trail 2000.0 Comment
  SACT000618  Bromus orcuttianus D. Meyer 1984-7-29 Placer 1645.92 Comment
  SACT000620  Bromus orcuttianus Michael Baad 1976-7-14 Placer open bushy slope. 1.3 miles along roadfrom Forest Hill Road 1554.48 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
  SBBG29016  Bromus orcuttianus B. Crampton 1967-7-26 Placer ca. 3 mi NW of Kings Beach, St Hwy 267 2133 Comment
  UCD59271  Bromus orcuttianus Beecher Crampton 1956-7-17 3723 Placer Blue Canyon. 1432 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
  SD43593  Bromus racemosus D. F. Howe 1948-5-20 Placer 456 Comment
  SACT000725  Bromus rubens Michael Baad 1977-6-8 Placer 356.76 Comment
  SACT000756  Bromus suksdorfii D. Meyer 1983-10-22 Placer searchlight ski run from base up to Olympic Lady chairlift. 2121.0 Comment
  SACT000769  Bromus tectorum var. tectorum D. Meyer 1984-5-28 Placer next to orchard 206.0 Comment
  SACT000795  Bromus vulgaris D. Meyer 1984-7-29 Placer 1661.0 Comment
  UCR2267  Calamagrostis breweri A. A. Heller 1903-8-10 7130 Placer Above Donner Pass 2287 Comment
  RSA60321  Calamagrostis canadensis E. K. Balls 1950-9-8 15722 Placer Lakes Center Public Campground 2043 Comment
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Sep 16 2014
  SEINET3924084  Calamagrostis canadensis Ellen Dean 2008-7-20 5249 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.; 0 2099 Comment
  SJSU8208  Callitriche palustris W. Savage 1968-8-2 563 Placer 200 yards E of L Van Norden Comment
  UCD14315  Calochortus albus Gregory Brickner 1984-5-19 33 Placer 10 miles south of Auburn on Highway 49. 167 Comment
  CDA39303  Calochortus albus A. Drieth 1960-4-15 3963 Placer Near Newcastle. 0 Comment
  UC147615  Calochortus coeruleus Miss Harriet A. Walker 1908-6-23 1242 Placer Blue Canyon 1432 Comment
  CAS-BOT-BC487808  Calochortus coeruleus W. Price 1892-7-1 s.n. Placer Red Point 1371 Comment
  JEPS111261  Calochortus leichtlinii Steve Matson 2005-7-16 1403 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  CAS-BOT-BC490536  Calochortus luteus Carl B. Wolf 1937-5-12 8611 Placer Sacramento Valley, 1 mi. no. of Lincoln 45 Comment
  CDA19538  Calochortus monophyllus M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 244 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
  CHSC40082  Calochortus monophyllus L. Constance; J. L. Morrison 1938-4-30 2172 Placer At E. edge of Applegate, Sierra Nevada foothills. 60 Comment
  UC197247  Calochortus monophyllus C. F. Sonne 1891-5-17 Placer Colfax 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
  SEINET12045761  Calochortus monophyllus L. Constance, Morrison, J. L. 1938-1 2172 Placer E edge of Applegate, Sierra Nevada foothills 610 Comment
  CAS-BOT-BC126721  Calycadenia multiglandulosa G. K. Helmkamp; E. A. Helmkamp 2010-6-26 16368 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-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-BC270646  Calycadenia multiglandulosa David D. Keck 1932-6-30 1585 Placer 0.8 mile N of Weimar P.O. 685 Comment
  UC1334171  Calycadenia multiglandulosa Thomas Morley 1946-9-28 815 Placer 1 1/2 mi ne of Alta 1188 Comment
  UC146080  Calycadenia truncata Katharine Brandegee 1908-7-1 Placer Cape Horn Comment
  POM30655  Calycadenia truncata subsp. truncata Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  SBBG1921  Calyptridium monospermum E. R. Blakley 1960-9-4 3823 Placer hill 1 mi N of Carnelian Bay, Lake Tahoe 2072 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
  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
  POM71000  Calystegia malacophylla Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  JEPS31609  Calystegia occidentalis subsp. occidentalis W. H. Shockley June 1886 Placer Auburn Comment
  UCD21723  Calystegia occidentalis subsp. occidentalis Robin McMaster 1973-6-3 430 Placer Off highway, near Weimer. Comment
  SEINET12047167  Camassia leichtlinii F. H. Utech 1978-1 78 -251 Placer ca 0.5 km NNE of Boreal Ridge Road along I-80E, near Laing Road 1829 Comment
  CAS-BOT-BC376274  Campanula Greg de Nevers 1995-8-20 10772 Placer Lake Tahoe. Along stream at Chambers Landing, at about 6000 ft. 1828 Comment
  SD243113  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2010-8-14 16783 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing (Duncan Peak 7.5'Q) 1552 Comment
  UCR231838  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2010-8-14 16783 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
  UCR250288  Campanula prenanthoides George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20801 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  SEINET10462874  Campanula prenanthoides Carpenter Carpenter s.n. Placer Comment
  UCD114162  Capsella bursa-pastoris Terri Williamson 1990-4-15 3 Placer 22587 Sunset Ridge Drive, Lake of the Pines. 365 Comment
  UCD22363  Cardamine cordifolia Beth Lowe Corbin 1982-8-19 381 Placer 1 3/4 miles SSW of The Cedars. Partial sun. Common. NE facing slope, 25% incline. In shallow stream in logged whtie fir forest. Flowers white. 1950 Comment
  SEINET5341061  Cardamine integrifolia var. integrifolia M. Humphreys 1950-4-1 2 Placer Growing in very wet soil, 6 miles west of Baxters on south side of highway 40. 853 Comment
  UCD42793  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 159 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD42975  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 344 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD162533  Carex abrupta Steve Matson 1997-7-17 100 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; middle fork snow creek; 'big pine' meadow. 1908 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
  UC50813  Carex angustata J. Burtt Davy Jun 25 1897-Jun 30 1897 3271 Placer Truckee River Truckee River Basin Comment
  CHSC89003  Carex aquatilis var. aquatilis L. P. Janeway 2004-8-18 8247 Placer Northern High Sierra Nevada. Between Blackwood Canyon Road and Blackwood Creek 2.7 km west from Hwy 89 and west shore of Lake Tahoe. Large meadow complex. 1945 Comment
  UCD44715  Carex aquatilis var. aquatilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2081 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  OBI6461  Carex athrostachya Robert F. Hoover 1967-9-5 10839 Placer Carnelian Bay, Lake Tahoe Comment
  UCD75942  Carex athrostachya Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5181 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
  CAS-BOT-BC19395  Carex bolanderi Marcus E. Jones 1882-6-29 3535 Placer Emigrant Gap. Comment
  CAS-BOT-BC19397  Carex bolanderi Saichi Kawahara 1969-5-25 892 Placer Mel Henderson Ranch, Indian Creek. North of old cabin. 999 Comment
  CAS-BOT-BC34209  Carex canescens L. S. Smith 1927-8-11 2199 Placer Tahoe National Forest. Squaw Valley. 1889 Comment
  SEINET7484378 Image available Carex capitata P. F. Zika, Steve Matson 2009-1 24621 Placer Snow Creek watershed, North Shore of Tahoe Basin, east beyond North Avenue, town of Kings Beach, norther Sierra Nevada highlands (n SNH) 1920 Comment
  JEPS109406  Carex davyi D. W. Taylor 2010-8-10 20990 B Placer Martis Peak, near the Nevada State Line in the headwaters of Juniper Creek. Comment
  SEINET176586  Carex filifolia Marcus E. Jones 1882-6-28 2908 Placer Emigrant Gap. Comment
  CAS-BOT-BC20679  Carex fracta John Thomas Howell 1943-7-21 18647 Placer Donner Pass to Mt. Lincoln. Comment
  SEINET5786553 Image available Carex geyeri Marcus E. Jones 1882-1 3286 Placer Emigrant Gap Comment
  JEPS73186  Carex heteroneura var. heteroneura Gladys L. Smith 1972-6-18 3147 Placer Alpine Meadows 2072 Comment
  CHSC110728  Carex hoodii Dean Wm. Taylor 2010-8-10 20991 Placer Martis Peak, near the Nevada Line in the headwaters of Juniper Creek 2508 Comment
  CAS-BOT-BC7849  Carex infirminervia Lewis S. Rose 1944-7-25 44245 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  SEINET7562376 Image available Carex infirminervia Unknown 2003-8-23 7964 Placer Homewood 7.5' Quad. Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake, 3.1 km south-southwest of Barker Pass. 2106 Comment
  SEINET10710002  Carex integra Lewis S. Rose 1939-6-5 Rose 39216 Placer Bear Valley, near Emigrant Gamp. 1372 Comment
  CAS-BOT-BC35501  Carex jonesii Lewis S. Rose 1944-7-26 44280 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  UCD43323  Carex jonesii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 691 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  POM80922  Carex lemmonii Marcus E. Jones 1882-6-18 s.n. Placer Emigrant Gap. Comment
  SEINET3000400 Image available Carex luzulifolia Marcus E. Jones 1882-6-29 2907 Placer Emigrant Gap. Comment
  UC143645  Carex luzulifolia A. A. Heller 1903-8-17 7187 Placer Donner Pass, above 2286 Comment
  CAS-BOT-BC32064  Carex multicaulis C. L. Hitchcock 1940-5-7 6309 Placer ca 1 mi W of Baxter. Comment
  UCD42874  Carex multicostata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 241 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CDA15924  Carex nebrascensis G. F. Hrusa, J. Glazner 1999-7-17 15175 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC1133411  Carex nebrascensis H. S. Yates 1936-8-9 5994 Placer 2 mi sw Martis Pk.; Truckee Quadrangle Comment
  UCR240966  Carex nebrascensis George K. Helmkamp, E. A. Helmkamp 2012-9-25 19918 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  CDA12407  Carex nervina G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8535 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCD42885  Carex nervina C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 252 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SD167386  Carex obnupta Darley F. Howe 1951-5-2 Placer 456 Comment
  SEINET4286151 Image available Carex occidentalis K. Chung, Matson, S 2009-1 1076 Placer Lake Tahoe, north side. Comment
  CHSC74304  Carex pachystachya Susi Urie; Eric Schroder 1998-9-8 98 -301 Placer Lake Tahoe Basin Management Unit. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CHSC74305  Carex pachystachya Susi Urie 1998-8-17 98 -051 Placer Lake Tahoe Basin Management Unit. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC89322  Carex pachystachya G. F. Hrusa; J. Glazner 2000-7-1 15589 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
  CHSC69929  Carex pellita L. P. Janeway; Eric Schroder 1997-7-17 5244 Placer Tahoe National Forest. Meadow on southeast side of Fulda Creek at Forest Service Or-ganizational Camp; about 1.2 mi south-southwest of Emigrant Gap. 1554 Comment
  CHSC84701  Carex scopulorum var. bracteosa L. P. Janeway; B. Castro 2003-8-24 7969 Placer Northern High Sierra Nevada. Small meadow 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
  SEINET7575126 Image available Carex senta Alice Eastwood, John Thomas Howell 1937-5-8 4362 Placer Between Newcastle and Penryn. Comment
  UCD77471  Carex serratodens Robert E. Preston 2002-6-14 1818 Placer Auburn, along Dry Creek Rd, ca. 0.8 mi e of its jct with Hwy 49. 440 Comment
  SEINET4285926 Image available Carex simulata K. Chung, Matson, S 2009-1 1079 Placer Lake Tahoe, north side 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
  UCD43262  Carex specifica C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 630 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET13713332  Carex specifica M. J. Williams, E. McPherson, A. Tiehm 1974-8-8 74 -PL-42 Placer [Sierra Nevada] Juniper Creek, just over Nevada County line. 2316 Comment
  JEPS73188  Carex spectabilis Gladys L. Smith 1972-8-25 3429 Placer Trail descending cirque, north face Granite Chief 2590 Comment
  RSA20148  Carex stipata Alice Eastwood, John Thomas Howell 1937-5-8 4361 Placer Between Newcastle and Penryn. Comment
  CHSC67710  Carex straminiformis James D. Jokerst 1986-7-13 2727 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak, scree on S-facing slope. Comment
  CAS-BOT-BC116558  Carex subfusca Peter H. Raven; John ORourke 1956-8-4 10000 Placer Moist hillside 1.0 mi from Blue Canyon on road to Emigrant Gap. Comment
  CAS-BOT-BC116560  Carex subfusca Lewis Samuel Rose 1941-7-17 41318 Placer Chambers Lodge, Lake Tahoe. 1898 Comment
  CHSC106457  Carex subfusca Peter F. Zika 2010-8-10 25307 Placer Northern Sierra Nevada Highlands (n SNH). Above E shore of Truckee River, Route 89, 12 air km NE of Lake Tahoe, opening in Pinus Jeffreyi. 1810 Comment
  CHSC85755  Carex subfusca G. F. Hrusa; J. Glazner 1999-7-17 15178 Placer Martis Valley. Off Hwy 267, s of Truckee. 1889 Comment
  SEINET4286150 Image available Carex subfusca K. Chung, Matson, S 2009-1 1075 Placer Lake Tahoe, north side. Comment
  UCD43087  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 455 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
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Nov 18 2008
  UCR191096  Carex subfusca George K. Helmkamp, E. A. Helmkamp 2007-6-12 12324 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  JEPS63520  Carex utriculata W. L. Jepson 1934-8-7 16881 Placer near Squaw Creek; Truckee River Comment
  UC710519  Carex utriculata Lewis S. Rose 1944-7-25 44244 Placer Chambers Lodge Lake Tahoe 1920 Comment
  RSA0115170  Carex vesicaria Lyman Benson 1942-7-2 11269 Placer Highway junction 1 mile west of Truckee. Mt. Range: Sierra Nevada. 1828 Comment
  UC1729965  Carex vesicaria var. vesicaria L. P. Janeway, Eric Schroder 1998-9-16 6325 Placer about 3.7 mi sw of Lake Tahoe (southwestern border of Lily Lake, head of McKinney Creek, Homewood Quadrangle); Lily Lake, McKinney Creek 2164 Comment
  CAS-BOT-BC114931  Carex whitneyi Lewis Samuel Rose 1940-6-1 40451 Placer Truckee River, 3 mi. NW of Tahoe City. 1889 Comment
  UC1256291  Carex whitneyi R. K. Gierisch 1969-7-11 3523 Placer Big Bend Tahoe Forest Comment
  RSA129423  Carex whitneyi N. H. French 1934-6-21 432 Placer Northwest end of Kid Lake. 2012 Comment
  UC21989  Cassiope mertensiana subsp. californica A. M. Carpenter Aug 1892 Placer Sierra Nevada Mts. Comment
  SEINET12029476  Castanopsis chrysophylla C. F. Sonne 1884-1 s.n. Placer Comment
  CAS-BOT-BC249006  Castilleja L. S. Smith 1928-6-9 2315 Placer Tahoe National Forest, Squaw Valley Meadow 1889 Comment
  SCFS11529189  Castilleja E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  SCFS1147  Castilleja E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  CHSC9510  Castilleja applegatei subsp. disticha J. F. Goodwin 1971-7-11 162 Placer At end of Commonwealth Drive, 0.6 mi. from intersection with Hwy. 267, 10.6 mi. east of Truckee. 1981 Comment
  CAS-BOT-BC249702  Castilleja applegatei subsp. pinetorum Alice Eastwood 1912-6-15 359 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC249708  Castilleja applegatei subsp. pinetorum A. A. Heller 1909-7-16 9840 Placer Summit 2133 Comment
  JEPS8664  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunsiker, D. Zohary, F. Ehrendorfer and H. Stutz 1952-7-20 3892 Placer about 2 mi e and below Forest Hill (n side of Middle Fork Canyon (American River), at Volcano Canyon, along oiled road of lumber company); Middle Fork Canyon (American River), Volcano Canyon 762 Comment
  JEPS113282  Castilleja attenuata Lowell Ahart, Brian Williams 2007-4-13 13652 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
  UCD122325  Castilleja attenuata M. H. Mills 1996-4-12 130 Placer 5830 Walden Lane, Loomis. 180 Comment
  SD241183  Castilleja foliolosa George K. Helmkamp, E. A. Helmkamp 2010-4-17 15893 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 8.0 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 321 Comment
  SBBG26850  Castilleja lacera C. L. Hitchcock 1940-5-14 6387 Placer Meier Ranch, ca. 6 mi N of Colfax 762 Comment
  UC1586063  Castilleja lacera Barbara Ertter with David Thompson 1989-4-8 8153 Placer near Auburn State Recreation Area entrance (at creek crossing, Iowa Creek Road, ca 2 mi from I-80) 518 Comment
Read comments
Jan 26 2015
  UC41911  Castilleja lacera Mrs. M. M. Hardy 1893-1 Placer Emigrant Gap Comment
  SEINET14142515  Castilleja miniata M. J. Williams 1985-7-6 85- 61 -7 Placer Sierra Nevada, N of Lake Mary, near old Donner Summit [road]. 2286 Comment
  RSA424428  Castilleja miniata Margaret J. Williams 1984-7-27 84- 94 -1 Placer Pahatasi Road, S of Soda Springs. 2043 Comment
  SEINET14063093  Castilleja miniata A. A. Heller 1912-7-20 10590 Placer Summit. 2073 Comment
  UCD158882  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 s.n. Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44505  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1871 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 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
  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
  CAS-BOT-BC240285  Ceanothus William Williams 1986-6-15 s.n. Placer Norden. Hill at top of ski lift Comment
  CAS-BOT-BC47858  Ceanothus cordulatus Alice Eastwood 1909-1-1 s.n. Placer Sunnyside Comment
  UCD111380  Ceanothus cordulatus Beecher Crampton 1976-10-14 9318 Placer Blue Canyon airport area. 1524 Comment
  UCD36708  Ceanothus cordulatus Beecher Crampton 1955-7-13 2991 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  SACT002905  Ceanothus cuneatus Michael Baad 1977-6-3 Placer Collected 1.2 mile west of camp. In serpentine outcrop with Jeffery pine. 1219.2 Comment
  SEINET5339255  Ceanothus cuneatus P. A. Lehenbauer 1931-4-22 1548 Placer Above Carnelian Bay, Lake Tahoe Comment
  UCR238579  Ceanothus cuneatus subsp. cuneatus George K. Helmkamp, E. A. Helmkamp 2012-3-31 18656 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  CAS-BOT-BC64448  Ceanothus diversifolius Brandegee 1889-4-1 44 Placer Dutch Flat. Comment
  UCR208585  Ceanothus diversifolius George K. Helmkamp, E. A. Helmkamp 2009-5-11 14654 Placer Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.5 miles northeast of Foresthill 1073 Comment
  CAS-BOT-BC50852  Ceanothus fresnensis W. R. Dudley 1909-8-20 s.n. Placer Near Doolittle Mine, Dutch Flat Comment
  CAS-BOT-BC50853  Ceanothus fresnensis G. L. Stebbins 1969-7-20 6950 Placer On rd. to Robertson Flat, 0.5 miles W. of its junction with road to French Meadows Sec ____. 2133 Comment
  UCD22201  Ceanothus fresnensis Rex Palmer 1979-5-26 N 19 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  CAS-BOT-BC50756  Ceanothus integerrimus H. E. McMinn 1926-5-28 1741 Placer 10 miles N.W. of Auburn, along highway from Auburn to Grass Valley Comment
  SCFS1001  Ceanothus integerrimus E. Krimmel 2014-6-26 Placer Road cut in switchbacks of Soda Springs road Comment
  UC1070709  Ceanothus integerrimus N. French 1934-5-24 69 Placer N. Fork of N. Fork American River Colfax quad., Tahoe National Forest 1341 Comment
  UC112945  Ceanothus integerrimus Katharine Brandegee 1908-7-17 Placer Blue Canyon Comment
  UC870605  Ceanothus integerrimus A. A. Heller 1917-6-16 12679 Placer Dutch Flat 914 Comment
  UCD112016  Ceanothus integerrimus Ray Prag 1973-8-15 s.n. Placer South side of Highway 80, at interchange east of Baxter. 1219 Comment
  UCD16104  Ceanothus integerrimus A. Bebensee 1984-5-13 s.n. Placer California. Placer County: 9 mi. NE of Auburn on Forest Hill Rd. West side of the road. Comment
  UCD16105  Ceanothus integerrimus R. Rhode 1984-5-12 s.n. Placer California. Placer County: at the intersection of Michigan Bluff Rd. and Foresthill Rd. 1005 Comment
  SACT002928  Ceanothus integerrimus Stanley Clark 1937-5-1 Placer Native shrub, to 6' tall, flowers white. Comment
  SACT002935  Ceanothus integerrimus var. californicus Josephine Van Ess 1979-5-9 Placer Collected below railroad bridge near highway 49, beside American River. Rocky, sunny river bank, near stream. 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
  UC870591  Ceanothus lemmonii C. L. Hitchcock 1940-5-7 6327 Placer ca 1 mi w Baxter Comment
  CAS-BOT-BC63358  Ceanothus prostratus Mary E. Jump 1939-4-23 s.n. Placer Towle, near Alta. Comment
  UC18387  Ceanothus prostratus H. N. Bolander 1865-4-13 4557 Placer Forest Hill Comment
  UC79811  Ceanothus prostratus Katharine Brandegee 1889-7-7 72 Placer Blue Canyon Comment
  UCD112644  Ceanothus prostratus Eric Brenner; John Hunter 1996-5-26 014 Placer Big Trees, Mosquito Ridge Rd, Tahoe National Forest. 1740 Comment
  POM85944  Ceanothus tomentosus Marcus E. Jones 1882-7-4 s.n. Placer Colfax Comment
  UC1071448  Ceanothus tomentosus N. French 1933-5-16 58 Placer 4 mi se Colfax; Colfax quad. Comment
  UC634574  Ceanothus tomentosus Herbert L. Mason 1926-5-29 3286 Placer Donner Pass Road near Alta; Donner Pass Road near Alta Comment
  RSA121653  Ceanothus velutinus H. S. Yates 1934-6-30 3958 Placer Carnelian Bay, Truckee, Placer. 1921 Comment
  CAS-BOT-BC52401  Ceanothus velutinus var. velutinus Sachs 1922-7-1 s.n. Placer Lake Tahoe Comment
  JEPS42329  Ceanothus velutinus var. velutinus W. L. Jepson 1918-7-30 7737 Placer Tahoe, Lake Tahoe 1920 Comment
  CAS-BOT-BC282012  Centaurea calcitrapa K. Stark 1970-5-1 s.n. Placer Corner of Interstate 80 and Auburn Ravine Rd, Auburn Comment
  CDA32782  Centaurea diffusa Robin Breckenridge 2009-8-18 PDR# 1313573 Placer In the vicinity of Cisco Grove, in eastbound I-80 center divide, near the Cisco Grove exit. 0 Comment
  CDA19809  Centaurea maculosa R. Breckenridge 1998-7-22 PDR 389788 Placer Sierra Nevada; Squaw Valley entrance road, 0.1 mi to tennis court. 0 Comment
  CDA7270  Centaurea maculosa T. C. Fuller 1965-8-1 13944 Placer Sierra Nevada; Sierra Nevada. South side of the westbound lanes of Interstate 80 freeway, 0.1 mile east of Blue Canyon Road. Comment
  HSC5245  Centaurea melitensis Paul Shields 1956-6-5 Placer 1 mile NE Auburn Comment
  UCR146861  Centaurea repens Beecher Crampton 1972-7-26 8851 Placer Sierra Nevada Mountains, Carpenter Flat east of Emigrant Gap, above Laings Road 1616 Comment
  RSA703907  Centaurium muehlenbergii C. Rose Broome 1978-8-3 2313 Placer Town of Rough and Ready, next to Penn Valley, 29.5 miles east of Marysville on Ca Highway 20; eight miles west of Grass Valley. Comment
  CHSC96322  Centromadia fitchii L. P. Janeway 2006-8-24 8874 Placer Sacramento Valley. Along Hwy 193 about 3.5 km north of Lincoln. 41 Comment
  SDSU4598  Centromadia fitchii D. F. Howe 1959-8-1 2770 Placer 4 mi. north of Auburn. 457 Comment
  UC518988  Centromadia fitchii J. Clausen 1932-9-16 650 Placer 2.8 mi from Auburn (on the Sacramento Road) Comment
  UC538039  Cephalanthera austiniae Miss E. E. Morse 1934-4-2 Placer Towle, Baxter's Camp Comment
  UC195817  Cerastium arvense C. F. Sonne 1888-7-21 Placer w. slope Washoe Mts. (border Ca & Nevada) Comment
  SEINET5337025  Cerastium fontanum P. A. Lehenbauer 1932-6-26 1552 Placer Near Lake Tahoe, along Truckee river. Comment
  CAS-BOT-BC26225  Cerasus kelloggiana Marcus E. Jones 1882-5-28 2693 Placer Emigrant Gap Comment
  NY803929  Cerasus kelloggiana M. E. Jones 1882-5-28 2693 Placer Emigrant Gap. Comment
  CAS-BOT-BC179376  Cercis occidentalis Saichi Kawahara 1969-5-25 1037 Placer Colfax - Town Hill Road, near B.M. 2393, 'Nigger' George Ravine 729 Comment
  UC863548  Cercis occidentalis C. L. Hitchcock 1940-5-14 6411 Placer ca 6 mi n Colfax; Meier Ranch 762 Comment
  UC863549  Cercis occidentalis Marcus E. Jones, A. M. 1882-7-4 3572 Placer Colfax Comment
  CDA12425  Chaenactis douglasii G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8554 Ab Placer Lake Tahoe; W end of Ward Valley, 4 miles SW of Tahoe City. Comment
  UCD21702  Chaenactis douglasii Beth Lowe Corbin 1982-8-4 210 Placer 1/3 mile west of Onion Creek campground. In rocky and fine, sandy soil. Opening in montane chaparral. Perennial herb with purplish stems, creme colored flowers. Full sun. West facing slope, 30% incline. Uncommon. 1859 Comment
  SEINET7067126  Chaenactis glabriuscula A. G. Vestal 1947-4-29 s.n. Placer Serpentine about 3.8 miles north of Auburn and 0.2 miles south of Elders Corner on Route 49. Coordinate datum: NAD27. UTM Zone 10, 664672mE, 4313245mN. Comment
  UCD41263  Chaenactis glabriuscula Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1720 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
  CAS-BOT-BC140757  Chamaebatia foliolosa Noel F. Sommer 1954-5-19 97 Placer .6 mile north of U.S. Highway 40 on Dutch Flat road 1066 Comment
  SBBG70529  Chamaebatia foliolosa M. N. Ackley -Jun-1925 948 Placer Gold Run 983 Comment
  SBBG83434  Chamaebatia foliolosa N. Griffin 1975-5-24 18 Placer Spring Garden Rd and Auburn-Foresthill Rd intersection, 5 mi W of Foresthill Comment
  SDSU9003  Chamaebatia foliolosa Sonle 1942-5-27 Placer Colfax. Comment
  UC466599  Chamaebatia foliolosa W. W. Mackii Apr 1 1904-May 1 1904 Placer Newcastle Comment
  UCR246506  Chamaebatia foliolosa Gregory Brickner 1984-5-12 027 Placer off Forest Hill Road 5 mi east of Auburn 439 Comment
  POM90077  Chamaebatia foliolosa I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  UCD75775  Chamaesaracha nana Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck, K. Mawdsley 2008-7-20 5255 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along road paralleling Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon, near railroad tunnel. 2063 Comment
  JEPS103311  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2002-7-22 9886 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
  JEPS115011  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2007-11-13 14593 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 miles (air) northeast of Sheridan 73 Comment
  SCFS11529129  Chamerion angustifolium E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying streambed. Comment
  SEINET12194045  Chamerion angustifolium J. H. Nishida 1985-1 779 Placer Homewood 1829 Comment
  UCD23228  Cheilanthes gracillima Beth Lowe Corbin 1982-8-9 287 Placer 2/3 mile southwest of Onion Creek campground. 1767 Comment
  JEPS126346  Chenopodium album Steve Matson 2002-12-7 560 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; on west side of pond near Highway 28. Comment
  UCR170318  Chenopodium berlandieri George K. Helmkamp, Elizabeth Helmkamp 2005-9-30 9952 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  CAS-BOT-BC451414  Chimaphila menziesii Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  UCD67368  Chimaphila menziesii Leslie Goldberg 1992-6-6 13 Placer Grove of Big Trees. Shady forest near small creek. 1554 Comment
  CAS-BOT-BC451415  Chimaphila menziesii C. F. Sonne 1878-7-1 208 Placer Pin Woods near Truckee Comment
  CAS-BOT-BC451416  Chimaphila menziesii Ethel Hand; Harry Hand 1917-7-1 s.n. Placer Cisco Comment
  UC1120956  Chimaphila umbellata N. French 1934-6-15 409 Placer Scott Hill Tahoe Nat'l Forest, Colfax Quad., Scott Hill Comment
  UCD57932  Chloris verticillata Beecher Crampton 1967-8-21 8177 Placer Interstate Hwy. 80 E, Cirby Way exit, 1.5 miles southeast Roseville. Comment
  CHSC98933  Chlorogalum angustifolium Samantha Mackey Hillaire 2007-7-7 1246 Placer North of Colfax, east side of Hwy I-80. 670 Comment
  UCD149518  Chlorogalum grandiflorum Belinda Lo; Jade Paget-Seekins 2012-6-11 CHGR 2012 0611 Placer Placer County; just west of road 14N25, 0.4 miles as the crow flies northwest of Pennsylvania Point, in the Ralston area of the Eldorado National Forest. 999 Comment
  JEPS58966  Chondrilla juncea John Thomas Howell 1966-7-29 42033 Placer 1 mi ne of Loomis; Sierra Nevada 121 Comment
  RSA643338  Chondrilla juncea R. D. Goeden, D. W. Ricker 1967-6-9 s.n. Placer Newcastle, on I-80 SW of Auburn 250 Comment
  UCD132717  Chondrilla juncea Ramona Robison 2012-6-21 s.n. Placer Auburn State Recreation Area, campground area and adjacent to Lake Clementine. Occurs on access roads leading to the Lake as well as Foresthill Road and Highway 49. 219 Comment
  CDA37258  Chondrilla juncea CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  CDA37743  Chondrilla juncea William J. Ferlatte 1971-5-3 1328 Placer Southeast corner of Sierra College Blvd. & Brace Rd., about 1 mile southwest of Loomis. 0 Comment
  CAS-BOT-BC249050  Chrysolepis sempervirens George K. Helmkamp; E. A. Helmkamp 2010-8-14 16768 A Placer Northern Sierra Nevada Mountains: Deadwood Road, 1.2 miles south of its junction with Forest Hill Road 1564 Comment
  CAS-BOT-BC36356  Chrysolepis sempervirens R. S. Woglum 1934-8-1 s.n. Placer Lake Tahoe Comment
  UCR200872  Chrysolepis sempervirens George K. Helmkamp, E. A. Helmkamp 2008-9-15 14112 Placer Northern Sierra Nevada Mountains, Forestry route 43, 0.3 mile southeast of the east end of Foresthill Road at the junction to Soda Springs, junction is 27 miles northeast of Forest Hill City 2061 Comment
  UCD21709  Chrysothamnus Rex Palmer 1979-6-9 N 139 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  UCR176265  Cichorium intybus George K. Helmkamp, E. A. Helmkamp 2006-8-11 11208 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 1.0 mile north of Forest Hill 1037 Comment
  CAS-BOT-BC190018  Cinna latifolia 1898-8-8 s.n. Placer Summit, Sierra Nevada. Comment
  SEINET12189142  Circaea alpina subsp. pacifica C. F. Sonne 1884-1 116 Placer Comment
  JEPS126389  Cirsium andersonii Steve Matson 1997-7-24 126 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; along dirt road western extension of North Ave. Comment
  SCFS1026  Cirsium andersonii F. Felix 2014-7-5 Placer Between Onion and Cedar Creeks, on terrace above NF channel Comment
  UCD43240  Cirsium occidentale C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 609 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 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
  UCR193401  Cirsium occidentale var. californicum George 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
  CAS-BOT-BC286266  Cirsium scariosum Lewis S. Rose 1944-7-26 44286 Placer Truckee River, 7 mi. n. of Lake Tahoe 1798 Comment
  CAS-BOT-BC439030  Cistanthe monosperma G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  CAS-BOT-BC228886  Cistanthe umbellata A. A. Heller 1917-8-13 12912 Placer Ridge northwest of Donner Pass 2346 Comment
  CAS-BOT-BC162648  Clarkia Peter H. Raven 1953-5-10 5490 Placer Road to Placerville 1.7 miles from Auburn in canyon of American River Comment
  UCD72513  Clarkia biloba subsp. brandegeeae Ellen Dean 2006-5-22 3140 Placer Above north fork of the American River, east of Foresthill Bridge, along Upper Lake Clementine Road nearing the bottom (river end) of the road. 308 Comment
  UCD77559  Clarkia biloba subsp. brandegeeae Robert E. Preston 2004-6-12 2254 Placer Ca. 0.7 mile E of Colfax, along Iowa Hill Road. 342 Comment
  CHSC1106  Clarkia purpurea V. Holt 1942-6-12 Placer Near Lincoln. 30 Comment
  CAS-BOT-BC163359  Clarkia purpurea subsp. purpurea Carl B. Wolf 1937-5-12 8613 Placer Sacramento Valley, 1 mi. No. of Lincoln 45 Comment
  RSA21799  Clarkia purpurea subsp. purpurea Carl B. Wolf 1937-6-11 8772 Placer Sacramento Valley, 1 mile north of Lincoln 46 Comment
  UC718181  Clarkia purpurea subsp. purpurea Carl B. Wolf 1937-6-11 8772 Placer 1 mi n Lincoln; Sacramento Valley 45 Comment
  SEINET3260810 Image available Clarkia rhomboidea Marcus E. Jones 1882-6-30 2719 Placer Emigrant Gap. Comment
  UCR218135  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2010-6-26 16403 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCD105054  Clarkia unguiculata G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10710 Placer Northern Sierra Nevada Mountains foothills. 0.2 mile N of the Forest Hill Road on unnamed road to Lake Clementine (general area NE of Auburn on Forest Hill Divide). 487 Comment
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May 6 2016
  UCR174012  Clarkia unguiculata George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10710 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  CAS-BOT-BC229130  Claytonia megarhiza Wm. R. Hewlett 1959-8-1 s.n. Placer Lyon Peak 2651 Comment
  UC942754  Claytonia parviflora subsp. grandiflora Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4013 Placer s of Auburn (near bridge on Route 49); North Fork American River 213 Comment
  RSA0042822  Claytonia parviflora subsp. parviflora George K. Helmkamp, Mary Alice Barnes 2013-5-3 20476 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  SEINET3840886  Claytonia parviflora subsp. parviflora M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 228 Placer Hughes Mill, Along Finning Mill Road, approximately three miles north of Forest Hill Road, approximately three miles east of Forest Hill 1070 Comment
  UCR171545  Claytonia perfoliata George K. Helmkamp, E. A. Helmkamp 2006-2-9 10058 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  CAS-BOT-BC443739  Claytonia rubra subsp. rubra Alice Eastwood 1912-6-15 440 Placer Tahoe City, Lake Tahoe Region Comment
  SBBG69764  Claytonia rubra subsp. rubra M. N. Ackley -Jun-1925 783 Placer Gold Run 983 Comment
  LA207189  Clematis lasiantha Annetta M. Carter; 1937-4-25 1248 Placer Between Folsom and Auburn, 6.5 mi SE of Loomis 152 Comment
  UC588157  Clematis lasiantha Annetta Carter 1937-4-25 1248 Placer 6 1/2 mi. s.e. Loomis (between Folsom and Auburn) 152 Comment
  CDA15319  Cleome serrulata R. Kerr 1998-9-16 s.n. Placer Sierra Nevada; Corner of Hwy 267 and Airport Rd. near Truckee. 1798 Comment
  SEINET3159399  Collinsia G. B. Grant 1906-1 6949 Placer about Lake Tahoe 2438 Comment
  JEPS71696  Collinsia parviflora Gladys L. Smith 1972-6-20 3265 Placer Ward Peak summit; Sherwood Forest 2590 Comment
  UC885577  Collinsia parviflora Marcus E. Jones, A. M. 1882-6-27 3293 Placer Emigrant Gap 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
  UCD82836  Collinsia parviflora Robin McMaster 1973-6-3 459 Placer 2 mi W Lake Spaulding. 1524 Comment
  CDA36880  Collinsia sparsiflora CDFA Staff 1998-4-22 s.n. Placer Dry Creek. 0 Comment
  UCR219647  Collinsia tinctoria George K. Helmkamp, E. A. Helmkamp 2010-6-26 16369 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  JEPS7270  Collinsia torreyi var. brevicarinata L. S. Smith 1925-6-23 1645 Placer Blackwood Canyon; Tahoe Forest 1981 Comment
  UC1032614  Collinsia torreyi var. torreyi N. French 1934-6-22 455 Placer near Lake Van Norden (Tahoe National Forest); Tahoe National Forest 2286 Comment
  CDA19532  Collomia heterophylla M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 256 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Foresthill Rd, ~ 3 mi E of Foresthill. 1066 Comment
  SEINET3163558  Collomia linearis G. B. Grant 1906-7-15 P 2 Placer about Lake Tahoe 2438 Comment
  UC879773  Collomia linearis Lewis S. Rose 1937-7-29 37610 Placer meadows Tahoe Vista 1905 Comment
  UC879804  Collomia tinctoria Alice Eastwood Jun 15 1912-Jun 19 1912 459 Placer Tahoe City Lake Tahoe Region Comment
  UCD118257  Collomia tinctoria Daryl Koutnik; Thomas Lanini, Thomas Wainwright 1978-10-19 s.n. Placer West end of Ward Valley in Lake Tahoe Basin. 1889 Comment
  UCD74069  Convolvulus arvensis Jennifer W. Burt 2005-7-13 109 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. 1980 Comment
  JEPS126422  Conyza canadensis Steve Matson 2003-9-7 960 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; on pond at mouth of West Fork Snow Creek near Highway 28. Comment
  SBBG58846  Corallorhiza maculata M. N. Ackley -Jun-1925 683 Placer Towle 1127 Comment
  UCD20776  Cordylanthus tenuis A. M. Shapiro 2002-9-13 s.n. Placer East of Auburn. Drum Powerhouse Road off Interstate 80. 944 Comment
  RSA756853  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2009-7-16 15203 Placer Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 Comment
  SEINET1907214  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp, E. A. Helmkamp 2006-1 11212 Placer Northern Sierra Nevada Mtns foothills: along Forest Hill Rd., 8.7 miles northeast of Forest Hill. 1311 Comment
  UC66022  Cordylanthus tenuis subsp. tenuis P. B. Kennedy and S. B. Doten 1901-8-6 244 Placer summit Soda Springs Comment
  UCD14940  Cornus nuttallii Mary Hill 1977-5-30 34 A Placer California, Placer Co.; 18 miles southeast from Foresthill along Mosquito Ridge Road; 1219 Comment
  CDA12394  Cornus sericea G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8522 A Placer Lake Tahoe; N side of Ward Valley, 4 mi SW Tahoe City. Comment
  UCD117335  Cornus sericea subsp. sericea G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12632 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  UCD22323  Cornus sericea subsp. sericea Rex Palmer 1979-6-20 N 315 Placer Headwaters basin area of the North Fork of the American River Comment
  UC106045  Cornus sessilis T. Brandegee Sept. 1888 Placer Blue Canyon Comment
  POM303027  Cornus stolonifera L. S. Rose 1944-7-22 44215 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  CDA36989  Crassula connata CDFA Staff 1998-4-22 s.n. Placer Dry Creek. 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
  JEPS111225  Crepis occidentalis Steve Matson 2005-7-3 1351 Placer Martis Valley, southeast of Truckee, National Recreation Area (Army Corps of Engineers), north of Highway 267 and west of Martis Creek. 39.3054 N, 120.1182 W; elevation 5835 ft. 1778 Comment
  JEPS15342  Crepis occidentalis Alice Eastwood Jun 15 1912-Jun 19 1912 460 Placer Tahoe City Lake Tahoe Region Comment
  SEINET5781401 Image available Crepis occidentalis Marcus E. Jones 1882-1 2784 Placer Emigrant Gap Comment
  CDA15957  Crepis pleurocarpa G. F. Hrusa, J. Glazner 1999-7-17 15143 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS70803  Cryptantha humilis C. F. Sonne 1886-1 391 Placer between Truckee and Tahoe (mountains on Truckee River); Sierra Nevada, Truckee River Comment
  UCD75940  Cryptantha torreyana Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5179 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
  UC1874970  Cryptogramma acrostichoides Ruth Kirkpatrick 2001-7-16 1061 Placer Junction of Hwy 20 with Sierra Discovery Trail, 3 mi E of Hwy 80. 1421 Comment
  UCD69351  Cryptogramma acrostichoides S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 s.n. Placer Soda Springs. Soda Springs Road. Tahoe National Forest. American River Canyon. 1850 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
  SCFS1195  Cymopterus terebinthinus E. Krimmel 2014-4-21 Placer Pt. Mariah Comment
  UCR246831  Cymopterus terebinthinus var. californicus George K. Helmkamp, E. A. Helmkamp 2010-7-28 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
  SACT000820  Cynodon dactylon Josephine Van Ess 1976-7-28 Placer Collected on Wallerga Road. Dry Creek. Streambank. 27.4 Comment
  SACT000853  Cynosurus echinatus D. Meyer 1983-6-18 Placer Moist roadside stream. 667.0 Comment
  UCR233191B  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2011-7-9 17681 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  CAS-BOT-BC114550  Cyperus eragrostis Brighton C. Cain 1925-8-15 4 Placer 2 miles south of Auburn at Wise Power House. Comment
  UCR253805  Cyperus eragrostis George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20094 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  UCD124127  Cyperus niger Ellen Dean; Marcel Rejmanek 2012-10-9 7501 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  UCD34291  Cytisus scoparius Beecher Crampton 1978-9-18 9667 Placer Placer County, Secret Town, Magra road offramp, Hwy. 80. Comment
  UCD39019  Cytisus scoparius Beecher Crampton 1960-11-2 5792 Placer 2 miles east of Bowman, along US Hwy. 40. Comment
  SACT000864  Dactylis glomerata D. Meyer 1983-6-18 Placer Moist roadside stream. 667.0 Comment
  SACT000867  Dactylis glomerata Michael Baad 1977-6-2 Placer End of road. 8.5 miles southwest of junction of Deadwood and Forest Hill Divide Road. 666.0 Comment
  SACT000887  Danthonia californica D. Meyer 1983-7-24 Placer Moist, shady roadside. 1036.32 Comment
  SACT000884  Danthonia californica var. americana Michael Baad 1976-8-4 Placer Northeast of Mildred Ridge 1975.0 Comment
  SACT000892  Danthonia californica var. americana Josephine Van Ess 1974-8-10 Placer Collected on the path to the Castle Creek, Old Soda Springs Road. North of Highway 80. 2085.0 Comment
  CAS-BOT-BC420642  Darmera peltata Brandegee Unspecified s.n. Placer Blue Canon Comment
  UCD22178  Delphinium depauperatum Beth Lowe Corbin 1982-8-4 229 Placer 1/3 mile NW of Onion Creek Campground. SW facing slope, 10% inclination. Uncommon. Partial sun. Opening in white fir forest on rocky, fine, sandy soil. Flowers deep blue, with white markings. 1981 Comment
  SD81065  Delphinium depauperatum Darley F. Howe 1971-7-3 4763 Placer Hillside near Truckee River, 8 miles south of Truckee 1829 Comment
  SCFS1167  Delphinium glaucum E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Drying creek bed at Chickering. Comment
  UCD22179  Delphinium glaucum Beth Lowe Corbin 1982-8-17 356 Placer 3 miles WSW of The Cedars. NW facing slope, 20% incline. Ocassional. Partial sun. In wet soil along stream in white fir forest. Herb 4-5 ft tall, flowers purple. 1920 Comment
  CAS-BOT-BC8824  Delphinium gracilentum f. versicolor L. S. Smith 1927-8-5 2154 Placer Robertson Flat on Forest Hill 2346 Comment
  CAS-BOT-BC116088  Delphinium nuttallianum A. A. Heller 1919-7-26 13311 Placer Summit meadows west of Donner Pass. 2072 Comment
  UC2042536  Delphinium nuttallianum Holly Forbes and Barbara Keller 2010-7-13 Placer Tahoe National Forest, at Chalet Road near the intersection of road to parking area and Subway Lift at Alpine Meadows Ski Resort. Comment
  UC854105  Delphinium nuttallianum Lewis S. Rose 1939-6-5 39214 Placer meadow near Emigrant Gap; Bear Valley 1371 Comment
  UCD22186  Delphinium nuttallianum Rex Palmer 1979-6-9 N 177 Placer Headwaters basin area of the North Fork of the American River 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
  UC9223  Delphinium patens Mrs. M. M. Hardy 1893-1 Placer Comment
  LA207588  Delphinium variegatum Carl B. Wolf; 1937-5-12 8612 Placer Sacramento Valley, 1 mi. N of Lincoln 45 Comment
  RSA258881  Dendromecon rigida Thomas W. Nelson, James Nelson, A. P. Nelson 1974-6-17 1377 Placer Dollar point overlooking Lake Tahoe N of Tahoe City. 1585 Comment
  UC112865  Dendromecon rigida Katharine Brandegee 1908-6-5 Placer Magra R. R. Station Comment
  UCD13362  Dendromecon rigida Anne Marie Weyandt 1989-5-20 21 Placer Placer Co., near road cut. T 14N, R 12E, Sect. 21, SW 1/4. Elev. 3000 ft. 914 Comment
  SEINET10967711  Deschampsia cespitosa Lewis S. Rose 1946-6-23 Rose 46175 Placer Rainbow, n. of Cisco. 1737 Comment
  CAS-BOT-BC192428  Deschampsia cespitosa subsp. cespitosa John Thomas Howell 1974-7-12 50607 Placer Emigrant Gap 1615 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
  UCD35461  Deschampsia danthonioides Beecher Crampton 1957-5-7 3990 Placer Placer County; 2 miles north of Lincoln. Comment
  CAS-BOT-BC201879  Deschampsia elongata Saichi Kawahara 1969-7-6 1433 Placer Swing near old cabin, east bank of Indian Creek, Mel Henderson Ranch 999 Comment
  CAS-BOT-BC201880  Deschampsia elongata Saichi Kawahara 1969-7-6 1419 Placer West of old cabin; Mel Henderson Ranch, Indian Creek 999 Comment
  CHSC67741  Deschampsia elongata James D. Jokerst 1986-7-13 2710 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  JEPS103531  Deschampsia elongata Lowell Ahart 2002-7-22 9920 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
  RSA126942  Deschampsia elongata H. S. Yates 1936-8-9 5986 Placer 2 miles S.W. of Martis Peak; Truckee 2287 Comment
  SACT000943  Deschampsia elongata D. Meyer 1983-8-7 Placer 1879.0 Comment
  SACT000953  Deschampsia elongata D. Meyer 1983-6-25 Placer 1418.0 Comment
  UCD22246  Deschampsia elongata Beth Lowe Corbin 1982-8-5 257 Placer Onion Creek Campground. SW facing slope, 15% incline. Common. Mostly sun. Dry meadow, but more towards stream in mixed conifer forest, in fine, sandy soil. Bunchgrass, forming small, dense tufts. 1841 Comment
  UCD63289  Deschampsia elongata Beecher Crampton 1955-7-13 3003 Placer Along U.S. Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  UCSB32011  Descurainia incisa 1885-06 Placer Sierra Nevada Mountains Comment
  CAS-BOT-BC43030  Descurainia incisa subsp. incisa John Thomas Howell 1943-7-22 18704 Placer Summit Valley. Comment
  HSC59000  Dicentra formosa Dan Wyrick 1975-4-27 113 Placer Near Bear River, close to the town of Colfax 610 Comment
  UC1126525  Dicentra formosa N. French 1934-5-31 385 Placer 0.5 mi e Texas Hill; Tahoe National Forest, Colfax Quad. 1584 Comment
  UCD82716  Dicentra formosa Robin McMaster 1973-6-3 432 Placer Lake Spaulding. 1524 Comment
  UCR235422  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18955 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  SEINET5339622  Dicentra formosa R. Halliday, W. Roderick 1967-6-10 s.n. Placer North of emigrant Gap. 1372 Comment
  UCD13326  Dicentra formosa Kristy S. Howard 1989-6-3 200 Placer Highway 174. 609 Comment
  CAS-BOT-BC402446  Dicentra formosa subsp. formosa G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  SEINET3101750 Image available Dicentra formosa subsp. formosa Marcus E. Jones May? (May has been crossed out and replaced handwriting could not be interpreted) 3302 Placer Emigrant Gap. 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
  POM97796  Dicentra formosa subsp. formosa Marcus E. Jones 1882-5-28 3302 Placer Emigrant Gap. Comment
  UCD139423  Dichelostemma capitatum Craig Martz 1983-3-6 44 Placer west of the Souther Terminous of Whitney Blvd., (Site of proposed Roseville bypass). 30 Comment
  UCR172650  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, Elizabeth Helmkamp 2006-4-13 10197 Placer Northern Sierra Nevada Foothills, Forest Hill Road, 2.5 mi east of its junction with Calif. Hwy 49. North side of the middle fork of the American River, NE of Auburn 274 Comment
  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
  RSA333559  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-26 38 Placer W side of Sierra College Blvd, 1.1 mile S of English Colony Road intersection. 560 Comment
  RSA333560  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-26 39 Placer On Clark Tunnel Road, 2.1 miles S of intersection with State Hwy 193. Comment
  SEINET8472301  Dichelostemma capitatum subsp. capitatum C. Bell 1962-3-17 34 Placer 2 miles E of Auburn, bank of North Fork of American River. 244 Comment
  SEINET8472323  Dichelostemma capitatum subsp. capitatum C. Fitz 1959-4-6 s.n. Placer Newcastle, near Hwy 40. 396 Comment
  SEINET8475403  Dichelostemma capitatum subsp. capitatum L. Munker 1962-1 49 Placer Hwy 40, 10 miles W of Auburn. 396 Comment
  SBBG57626  Dichelostemma multiflorum M. N. Ackley -Jun-1925 634 Placer Gold Run 983 Comment
  SEINET3885610  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12006 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 2.8 miles southeast of Foresthill (Foresthill 7.5' Q.).; 0 814 Comment
  UCR195170  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12006 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UC13854  Dichelostemma multiflorum Mrs. M. M. Hardy 1893-1 Placer Comment
  JEPS40711  Dieteria canescens var. shastensis Miss Helen D. Geis Jun 1 1912-Jul 1 1912 173 Placer Deer Park Comment
  JEPS73981  Digitaria sanguinalis Virginia Bufford 1932-9-9 508 Placer near Colfax; near Colfax Comment
  SACT000967  Digitaria sanguinalis Josephine Van Ess 1976-9-6 Placer Fiddyment Road. Collected near Pistachio orchard. 27.4 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
  CAS-BOT-BC153697  Diplacus mephiticus Mrs. Marian Campbell 1920-6-26 s.n. Placer Summit Comment
  CHSC82574  Diplacus torreyi Lowell Ahart 2002-7-22 9904 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  SEINET14196701  Diplacus torreyi P. A. Lehenbauer, R. E. L. 1923-6-6 1106 Placer Hell Hole. 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
  JEPS59474  Dodecatheon alpinum Ezra Brainerd and Viola B. Baird 1915-7-4 216 Placer along brook Deer Park Sierra Nevada Mts., Deer Park 1920 Comment
  UCD75774  Dodecatheon alpinum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5248 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
  POM76685  Dodecatheon hansenii Mary E. P. Ames 1891-04 s.n. Placer [Unspecified] Comment
  RSA18624  Downingia bicornuta C. B. Wolf 1937-5-12 8623 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  JEPS14454  Downingia bicornuta var. picta R. E. Arp 1932-4-28 4 Placer Roseville 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
  OBI20963  Downingia ornatissima Carl B. Wolf 1937-5-12 8615 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  UCD55125  Downingia ornatissima Lynn Gould 1962-4-17 54 Placer 6 miles west of Roseville on P. F. E. Road. 25 Comment
  JEPS14406  Downingia ornatissima var. ornatissima R. E. Arp 1932-4-28 5 Placer Roseville Comment
  JEPS43776  Downingia ornatissima var. ornatissima Lynn Gould 1962-4-17 54 Placer 6 mi w Roseville (on P.F.E. Road) Comment
  UCD55133  Downingia pusilla Robert E. Preston 2002-5-3 1788 Placer Ca. 3 mi. SSW of Lincoln; N of Orchard Creek. 35 Comment
  SEINET5332406 Image available Draba barbata var. treleasei P. B. Kennedy, Samuel Bradford Doten 1901-8-10 271 Placer Summit of range [Sierra Nevada] between Devils Cliff and Tinkers Knob. Comment
  CAS-BOT-BC41754  Draba densifolia C. F. Sonne 1882-7-30 14 Placer Sierra Nevada Mountains. Mount Stanford. 2743 Comment
  UC67120  Draba novolympica P. B. Kennedy and S. B. Doten 1901-8-10 271 Placer summit of range btw Devils Cliff and Tinkers Knob; summit of range btw Devils Cliff and Tinkers Knob Comment
  CAS-BOT-BC401541  Drosera rotundifolia C. F. Sonne 1886-8-8 107 Placer Sierra Nevada Mts. Canyon above Coldstream Comment
  UC859905  Drymocallis glandulosa var. reflexa A. A. Heller 1917-6-16 12681 Placer near Dutch Flat; near Dutch Flat 914 Comment
  CAS-BOT-BC527343  Drymocallis glandulosa var. reflexa A. A. Heller 1917-6-16 12681 Placer Near Dutch Flat 914 Comment
  SEINET6691346  Drymocallis hansenii P. B. Kennedy, S. B. Doten 1901-8-18 417 Placer Talbot's Home Camp, 7 miles from French Meadows Comment
  UC1128193  Drymocallis lactea Ben Bolt 1934-7-16 163 Placer 1/2 mi s Emigrant Mine; Tahoe National Forest, Truckee Quad. Comment
  CAS-BOT-BC157893  Drymocallis lactea var. lactea Alice Eastwood 1909-1-1 21 Placer Lake Tahoe Region. Sunnyside Comment
  SEINET6409454  Dryopteris arguta H. N. Mozingo 75 -5 Placer 2 miles east of Auburn, middle fork of American River 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
  UC830916  Dudleya cymosa Marcus E. Jones 1882-6-28 3346 Placer Emigrant Pass 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
  UCD98834  Dysphania pumilio A. M. Shapiro 1987-10-16 s.n. Placer Southern Pacific Right-of-way. 2103 Comment
  CAS-BOT-BC532606  Eleocharis G. Ledyard Stebbins 1978-5-28 78102 Placer El Dorado National Forest, Ralston Ridge [exact location unknown] Comment
  CHSC82701  Eleocharis bella Lowell Ahart 2002-7-22 9909 Placer On the south side 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. 1773 Comment
  JEPS103509  Eleocharis bella Lowell Ahart 2002-7-22 9909 Placer S side of small natural lake on E side of paved rd to Lake Valley Reservoir, 1/4 mi E of Yuba Gap and Hwy 80 1773 Comment
  UCD49716  Eleocharis bella Beecher Crampton 1958-6-24 4967 Placer Earl Morton Ranch, 3 miles west of Baxter, Placer County. 1066 Comment
  CAS-BOT-BC112911  Eleocharis macrostachya Catherine Best 1985-9-15 1148 Placer Sugar Pine Reservoir, 6 miles north of Forest Hill. 1158 Comment
  UC698596  Eleocharis macrostachya Alan A. Beetle 1941-6-27 2737 Placer one mile N of, in wet roadside ditch Lincoln Comment
  UCD44629  Eleocharis macrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1995 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC197351  Elymus W. R. Dudley 1900-6-28 s.n. Placer Near Tallac Comment
  SACT001074  Elymus elymoides subsp. californicus James Grove 1977-7-15 Placer 2000.0 Comment
  SACT001088  Elymus glaucus D. Meyer 1984-6-17 Placer 667.0 Comment
  SACT001103  Elymus glaucus Michael Baad 1976-6-3 Placer On road from Forest Hill to French Meadows. 1.5 miles east of Forest Hill. 701.0 Comment
  SACT001133  Elymus glaucus Michael Baad 1977-6-21 Placer 685.0 Comment
  SD81191  Elymus glaucus Darley F. Howe 1971-6-29 Placer 1.4 miles East of Forest Hill 1096 Comment
  UCD22248  Elymus glaucus Beth Lowe Corbin 1982-8-3 169 Placer Onion Creek Campground. S facing slope. Uncommon. Full sun. Open, dry meadow in mixed conifer forest in fine, sandy, granitic soil. Perennial, forming small, not extensive clumps. 1841 Comment
  UCD22249  Elymus glaucus Rex Palmer 1979-7-26 N 844 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD61895  Elymus glaucus R. Tofsrud 1951-7-1 Placer Hwy. 40, above Baxter 3/4 mile below drinking station. Comment
  UCD62278  Elymus glaucus Beecher Crampton 1955-6-15 2903 Placer Roadside, Yankee Jim's. 807 Comment
  UCD75969  Elymus glaucus Ellen Dean, M. Starbuck,; M. Bibbo, J. Poloske 2008-7-20 5254 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Area south of southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  SEINET203584  Elymus glaucus subsp. glaucus F. J. Hermann 1955-7-26 11936 Placer US Hwy 40 mi SW Weimer 0 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
  UCD61697  Elymus glaucus subsp. glaucus Beecher Crampton 1955-6-15 2911 Placer 1/2 mile north of Forest Hill. 975 Comment
  UC1133039  Elymus multisetus G. T. Nordstrom 1934-6-21 131 Placer 4/10 mi wnw Mammoth Springs; Tahoe National Forest, Colfax Quadrangle Comment
  UCD62476  Elymus multisetus A. A. Beetle 1941-5-25 2688 Placer 10 miles west of Colfax. 762 Comment
  UCD62569  Elymus repens Tim Morgan 1999-7-19 PDR- 122364 6 Placer At Green Thumb Landscaping, 2865 Hillcrest Ave., Tahoe City. Comment
  UC33986  Elymus sierrae C. F. Sonne Sept. 1892 1 Placer mts. above Coldstream 2590 Comment
  UCD62604  Elymus stebbinsii subsp. septentrionalis Beecher Crampton 1955-6-15 2908 Placer Yankee Jims. Comment
  CHSC73268  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 1998-8-6 5964 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UCD62695  Elymus trachycaulus subsp. trachycaulus H. S. Yates 1936-8-9 5998 Placer Near Brockway. 1920 Comment
  CAS-BOT-BC226650  Epilobium brachycarpum G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12079 Placer Northern Siera Nevada Mountains Foothills: junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  JEPS127501  Epilobium brachycarpum Steve Matson 1998-6-7 324 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267 at base of highway rampart, just west of Martis Creek. Comment
  CAS-BOT-BC171974  Epilobium canum subsp. latifolium G. L. Stebbins; R. Bacigalupi; F. Ehrendorfer; J. Hunziker; H. Stutz; D. Zohary 1952-7-20 5133 Placer Along Shrittail Creek, just above its junction with north fork American River, along road from Colfax to Forest Hill Comment
  CAS-BOT-BC171975  Epilobium canum subsp. latifolium G. L. Stebbins; R. Bacigalupi; F. Ehrendorfer; Juan Hunziker; Howard Stutz; Daniel Zohary 1952-7-19 3859 Placer Rock outcropping just above torrent of main stream, North Fork of American River, below Cape Horn sta. on S.P.RR, 1/2 mile above bridge on colfax - Iowa Hill Road 381 Comment
  UCD105596  Epilobium canum subsp. latifolium G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrandorfer, J. Hunziker, et al. 1952-7-20 5133 Placer Along Shirttail Creek, just above its junction with N Fork American River, along road from Colfax to Forest Hill. Comment
  UCD150712  Epilobium canum subsp. latifolium James A. Neilson Jr. 1970-8-5 1745 Placer Tahoe Basin, South Ward Valley, north side. 2286 Comment
  CAS-BOT-BC539340  Epilobium ciliatum subsp. ciliatum James A. Neilson, Jr. 1970-7-18 1563 Placer Tahoe Basin, 2 mi NE of Tahoe City [exact location unknown] 1920 Comment
  CHSC74238  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-9-3 98 222 B Placer Lake Tahoe Basin--National Forest. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  UC1748360  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-8-25 98 -90 Placer about 0.2 mi N of Lake Tahoe (large meadow complex between Kings Beach and Tahoe Vista) 1901 Comment
  UCD150698  Epilobium ciliatum subsp. ciliatum James A. Neilson Jr. 1971-8-11 2318 Placer Tahoe Basin, Homewood. 1914 Comment
  UCD43874  Epilobium ciliatum subsp. ciliatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1240 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CHSC74107  Epilobium ciliatum subsp. glandulosum Susi Urie 1998-8-13 98 -030 Placer Lake Tahoe Basin--National Forest. Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CDA13683  Epilobium densiflorum G. F. Hrusa, J. Glazner 1997-8-3 14043 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  SEINET4178826 Image available Epilobium glaberrimum George K. Helmkamp, E. A. Helmkamp 2010-8-14 16794 Placer Northerns Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of it's junction with Foresthill Road and just south of a creek crossing.. 1551 Comment
  UCR177128  Epilobium glaberrimum George K. Helmkamp, E. A. Helmkamp 2005-9-30 9943 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  UC170075  Epilobium hallianum Miss Helen D. Geis Jun 1 1912-Jul 1 1912 130 Placer Deer Park Comment
  CHSC91617  Epilobium minutum M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 213 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. Serpentine flats adjacent to road. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  UC1122540  Epilobium obcordatum B. Bolt 1934-7-17 138 Placer 1/2 mi sw Walker Mine (Plot 216); Tahoe National Forest, Truckee Quadrangle Comment
  UC191835  Epilobium obcordatum C. F. Sonne 1893-8-29 Placer near Tinker's Knob Comment
  UCR111001  Epilobium oregonense George K. Helmkamp, E. A. Helmkamp 1999-6-30 5107 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  JEPS59475  Epilobium oregonense Ezra Brainerd and Viola B. Baird 1915-7-22 217 Placer bog opposite Waltons (by river); Sierra Nevada Mts., Truckee River 1905 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
  CHSC74054  Equisetum arvense Susi Urie 1998-8-13 98 -039 Placer Lake Tahoe Basin--National Forest. Meadow along the south side of Ward Creek, 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CAS-BOT-BC284067  Eragrostis pectinacea var. pectinacea Peter H. Raven 1954-8-27 7958 Placer Penryn, Sierra Nevada Comment
  CAS-BOT-BC174288  Eremogone congesta var. suffrutescens Dr. A. Kellogg 1870-6-18 s.n. Placer Cisco Comment
  UCD98127  Eremogone congesta var. suffrutescens G. L. Stebbins Jr. 1970-7-19 7069 Placer along ridge southwest of Duncan Peak Lookout. 2011 Comment
  CAS-BOT-BC286642  Ericameria bloomeri Elsie Zeile Lovegrove 1951-9-22 s.n. Placer Al Tahoe Comment
  CAS-BOT-BC294275  Ericameria nauseosa var. speciosa Lewis S. Rose 1938-9-14 38258 Placer South Fork of Yuba River, Cisco 1615 Comment
  CAS-BOT-BC294276  Ericameria nauseosa var. speciosa M. E. Cantelow 1935-7-20 1018 Placer Brackway Comment
  UC669307  Ericameria nauseosa var. speciosa Annie M. Alexander and Louise Kellogg 1941-10-3 2644 Placer Truckee River 1828 Comment
  JEPS71606  Ericameria suffruticosa Gladys L. Smith 1972-8-25 3415 Placer foot of Granite Chief Granite Chief 2575 Comment
  CAS-BOT-BC293370  Erigeron Saichi Kawahara 1969-5-24 827 Placer On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  RSA417737  Erigeron F. G. Mart 1934-07 s.n. Placer Red Mt. Comment
  JEPS86494  Erigeron barbellulatus L. R. Heckard with J. Hickman and Alice Howard 1986-7-27 6577 Placer Sherman Chickering's Soda Springs holdings, ca 5 mi se of Donner Lake Soda Springs (promontory ca 1.5 mi se of Soda Springs Chickering houses) 2377 Comment
  UC187930  Erigeron barbellulatus C. F. Sonne 1888-7-29 Placer Wards Peak Comment
  UC895854  Erigeron coulteri A. A. Heller 1917-8-13 12879 Placer 2118 Comment
  UCD74029  Erigeron glacialis var. glacialis Jennifer W. Burt; Sarah Shannon 2005-7-8 103 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from center of abandoned ski run. 1920 Comment
  CAS-BOT-BC300824  Erigeron glacialis var. glacialis H. D. Ripley; R. C. Barneby 1948-7-13 9845 Placer Yuba River, 4 mi. E. of Cisco 1844 Comment
  CAS-BOT-BC300825  Erigeron glacialis var. glacialis C. F. Sonne 1886-7-25 364 Placer Sierra Nevada Mts. On Mt. Stanford Comment
  JEPS126420  Erigeron inornatus var. inornatus Steve Matson 1998-8-15 371 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course. Comment
  JEPS16941  Erigeron inornatus var. inornatus Peter H. Raven 1956-8-4 10003 Placer dirt road n of Emigrant Gap 1493 Comment
  CAS-BOT-BC295527  Erigeron miser John H. Thomas; Hazelle A. Thomas 1956-7-21 6222 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD21887  Erigeron peregrinus Rex Palmer 1979-6-20 N 353 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC295969  Erigeron philadelphicus Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  UC1124281  Eriodictyon californicum N. French 1934-5-29 375 Placer 1 mi w Lake Spaulding; Tahoe National Forest, Colfax Quadrangle 1463 Comment
  UC1124297  Eriodictyon californicum B. Bolt 1934-7-4 81 Placer Sawtooth Ridge; Tahoe National Forest, Colfax Quadrangle Comment
  UCR208556  Eriodictyon californicum George K. Helmkamp, E. A. Helmkamp 2009-5-11 14671 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
  SEINET5495502  Eriodictyon californicum M. J. Williams 1984-6-24 84- 65 -2 Placer 0.3 miles in from HWY 20 on Bowman Lake Rd. 1524 Comment
  JEPS126263  Eriogonum elatum var. elatum Steve Matson 2000-7-6 470 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 meters north of Highway 267. Comment
  CAS-BOT-BC256781  Eriogonum incanum Elizabeth Parsons Hawver 1911-8-19 s.n. Placer Madden Creek Amphitheater base of Ellis Pk. top of ridge Comment
  SD243180  Eriogonum lobbii var. lobbii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16668 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat. 2040 Comment
  UC849509  Eriogonum lobbii var. lobbii A. A. Heller 1917-8-14 12923 Placer s Summit Valley; Mt. Lincoln 2499 Comment
  POM117510  Eriogonum marifolium Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  POM279091B  Eriogonum marifolium Lyman Benson 1933-6-26 4529 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  UC1032133  Eriogonum marifolium N. French 1934-5-24 261 Placer N Fork, N Fork American River Tahoe National Forest, Colfax Quadrangle, N Fork, N Fork Ame Comment
  UC77526  Eriogonum marifolium C. F. Sonne 1888-7-1 Placer hills above Bear Valley; Sierra Nevada Mountains 2438 Comment
  UCR233455  Eriogonum marifolium George K. Helmkamp, E. A. Helmkamp 2011-8-26 18189 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
  UCD100495  Eriogonum nudum Beecher Crampton 1972-7-26 8837 Placer Carpenter Flat, east of Emigrant Gap. 1615 Comment
  SD243182  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
  UC849631  Eriogonum nudum var. deductum Marcus E. Jones, A. M. 1882-6-29 3469 Placer Emigrant Gap Comment
  UC1035671  Eriogonum nudum var. deductum Kay H. Beach 1940-6-30 795 Placer 2 1/2 mi w Cisco (s side of Yuba River); Yuba River 1981 Comment
  UC66975  Eriogonum nudum var. deductum P. B. Kennedy and S. B. Doten 1901-8-7 255 Placer near Summit Comment
  RSA393328  Eriogonum nudum var. nudum Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  SD248478  Eriogonum nudum var. oblongifolium George K. Helmkamp, Elizabeth A. Helmkamp 2012-9-25 19916 Placer Northern Sierra Nevada Mountains: junction of Nyack Road and I-80 in the Emigrant Gap area (Blue Canyon 7.5'Q) 1652 Comment
  UCR215982  Eriogonum nudum var. oblongifolium George K. Helmkamp, Amy Barnes 2009-7-12 15182 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 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
  CAS-BOT-BC266843  Eriogonum ovalifolium var. nivale L. S. Smith 1928-7-18 2479 Placer Ward Peak among rocks, top ridge, Tahoe Forest 2438 Comment
  SEINET3388560 Image available Eriogonum ovalifolium var. ovalifolium Marcus E. Jones 1897-5-23 Placer Watson Summit Comment
  SD22419  Eriogonum pedunculatum Susan G. Stokes 1932-8-4 Placer Near Auburn Comment
  UCD149516  Eriogonum prattenianum G. L. Stebbins 1970-7-19 7063 Placer Above North Fork of Middle Fork of the American River. 2 miles northeast of Last Chance. (Exact location unknown. Coordinates estimated by label maker.) 1341 Comment
  CAS-BOT-BC253062  Eriogonum roseum L. R. Abrams 1917-9-14 6753 Placer Between Roseville and Penryn Comment
  CAS-BOT-BC269934  Eriogonum spergulinum var. reddingianum A. A. Heller No date on label 12894 Placer Summit Station 2121 Comment
  CAS-BOT-BC269936  Eriogonum spergulinum var. reddingianum Betty J. Jorgensen 1944-7-2 514 Placer Along summit near Donner Pass Comment
  CAS-BOT-BC269941  Eriogonum spergulinum var. reddingianum L. S. Rose 1941-7-8 41290 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  CAS-BOT-BC269943  Eriogonum spergulinum var. reddingianum Alice Eastwood 1912-6-15 486 Placer Deer Park, Lake Tahoe Region Comment
  LA27118  Eriogonum spergulinum var. reddingianum L. S. Rose; 1941-7-8 41290 Placer Chambers Lodge, Lake Tahoe 1900.0 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-BC271882  Eriogonum spergulinum var. spergulinum Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  CAS-BOT-BC205643  Eriogonum umbellatum James R. Shevock 1985-8-9 11335 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granitie [Granite] Chief Wilderness. Along trail 16E10 in Picayune Valley 2200 Comment
  CHSC108617  Eriogonum umbellatum var. furcosum L. P. Janeway; B. Castro 2011-8-27 10677 Placer Northern High Sierra Nevada. West side of Spaulding Road 35 m north of Hwy 20. 1597 Comment
  CAS-BOT-BC265152  Eriogonum umbellatum var. nevadense Lewis S. Rose 1938-9-14 38257 Placer South Fork of Yuba River, Cisco 1615 Comment
  UC615502  Eriogonum umbellatum var. nevadense Beryl O. Schreiber 1932-9-11 770 Placer Summit Comment
  SD1349  Eriogonum umbellatum var. subaridum Victor Duran 1930-8-2 Placer Cedar Flat, White Mts. 2133 Comment
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Oct 19 2012
  UCD101506  Eriogonum umbellatum var. torreyanum Tamara Kan 1992-8-1 s.n. Placer on Mt. Disney, just inside boundary of Onion Creek Experimental Forest, at top of south-east facing drainage. 2377 Comment
  CAS-BOT-BC262231  Eriogonum ursinum Rimo Bacigalupi; G. L. Stebbins; Alex Hawkes; Daniel Zohary; Howard Stutz; Fritz Ehrendorfer; Juan Hunziker 1952-7-20 3879 Placer Just south of Shirttail Public Camp, Tahoe Nat. Forest, six miles east of Iowa Hill 1066 Comment
  CAS-BOT-BC262233  Eriogonum ursinum Marcus E. Jones 1882-6-1 s.n. Placer Emigrant Gap Comment
  RSA793116  Eriogonum ursinum James R. Shevock 1985-8-9 11334 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  JEPS56206  Eriogonum ursinum C. F. Sonne 1888-7-29 404 Placer Bear Creek Sierra Nevada, Bear Creek Comment
  RSA750702  Eriogonum wrightii var. subscaposum George K. Helmkamp, E. A. Helmkamp 2008-8-20 14023 Placer Donner Pass Road on the west side of Donner Pass and east of Norden. 2149 Comment
  RSA789733  Eriogonum wrightii var. subscaposum James R. Shevock 1985-8-9 11333 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  UCR201908  Eriogonum wrightii var. subscaposum George K. Helmkamp, E. A. Helmkamp 2008-8-20 14023 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  SEINET11938419  Eriogonum wrightii var. trachygonum L. S. Rose 1938-1 38259 Placer South Fork of Yuba River, Cisco 1615 Comment
  RSA782550  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Amy Barnes 2009-7-12 15185 Placer Along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  SJSU8792  Eriophyllum lanatum var. grandiflorum F. J. Santana 1958-5-10 Placer c. 1.5 mi from Auburn by Hwy 49 381 Comment
  UC147582  Eriophyllum lanatum var. grandiflorum Harriet A. Walker 1908-6-24 1249 Placer Blue Canyon 1432 Comment
  UC507054  Eriophyllum lanatum var. grandiflorum Mrs. Helen Sharsmith 1933-5-14 E 21 Placer along the highway on filled-in ground Auburn Comment
  UCD82718  Eriophyllum lanatum var. grandiflorum Robin McMaster 1973-6-3 442 Placer Lake Spaulding. 1524 Comment
  CAS-BOT-BC308246  Eriophyllum lanatum var. integrifolium M. E. Jones 1882-6-27 s.n. Placer Emigrant Gap Comment
  JEPS113109  Erodium botrys Lowell Ahart, Brian Williams 2007-4-13 13648 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
  UCR238600  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2012-3-31 18649 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  SEINET8526834  Erodium botrys R. Adamson 1964-4-21 s.n. Placer Along roadside of HWY 49 457 Comment
  JEPS113114  Erodium brachycarpum Lowell Ahart, Brian Williams 2007-4-13 13649 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
  UC192993  Erodium brachycarpum C. F. Sonne 1891-4-5 Placer between Penryn and Rocklin Comment
  CDA37173  Erodium brachycarpum CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  CDA36888  Erodium cicutarium CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  SEINET8553197  Erodium cicutarium D. Erskine 1941-4-28 19 Placer Roseville 76 Comment
  UC874923  Eryngium castrense Marcus E. Jones, A. M. 1882-7-8 3602 Placer Auburn Comment
  RSA29007  Eryngium castrense Lincoln Constance 1941-5-28 2824 Placer 2 miles north of Lincoln, Sacramento Valley. 61 Comment
  CAS-BOT-BC54317  Erysimum capitatum Mary E. Jump 1939-5-29 s.n. Placer Bear Valley. Comment
  UC856275  Erysimum capitatum Marcus E. Jones, A. M. 1882-6-28 2620 Placer Emigrant Gap Comment
  UCD14937  Erysimum capitatum Alan B. Chan 1977-5-28 35 Placer California, Placer Co.; 20 miles northeast of the Auburn Forest Hill Bridge, 1.2 miles south along Auburn Forest Hill Road towards Michigan Bluff; Comment
  UCD43170  Erysimum capitatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 539 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD83645  Erysimum capitatum Albert Grigarick 2009-9-10 198 Placer Squaw Creek Resort, near base of Cornice II and Headwall lifts. 2286 Comment
  UCR208278  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp 2009-5-7 14640 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  UC1034890  Erysimum perenne G. B. and R. P. Rossbach 1938-7-23 896 Placer s side of pass just w Donner Lake; Donner Pass 2225 Comment
  UCD150486  Erysimum perenne James A. Neilson Jr. 1971-5-27 2090 Placer Tahoe Basin, Brockway Springs. 1901 Comment
  UCR209742  Erysimum perenne George K. Helmkamp, E. A. Helmkamp 2009-8-12 15438 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  SBBG27309  Erythranthe bicolor C. L. Hitchcock 1940-5-14 6398 Placer Meier Ranch, ca. 6 mi N of Colfax 1097 Comment
  CHSC74127  Erythranthe breweri Susi Urie 1998-8-11 98 -016 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  SD62118  Erythranthe floribunda Darley F. Howe 1965-5-21 Placer Canyon, south side of north fork on American River 456 Comment
  CAS-BOT-BC150223  Erythranthe moniliformis Saichi Kawahara 1969-5-24 1001 Placer Mel Henderson Ranch, on the east bank of Indian Creek 987 Comment
  CAS-BOT-BC153594  Erythranthe moniliformis Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  CAS-BOT-BC153595  Erythranthe moniliformis F. Almeda 1993-7-24 7257 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  CAS-BOT-BC153596  Erythranthe moniliformis Emily McPherson 1976-9-19 76 - 28 - 4 Placer 1 mile east of Talbot Campground, Middle Fork of the American River 1767 Comment
  SJSU7720  Erythranthe primuloides R. L. Fisher 1959-6-26 Placer Yuba Gap on Hwy 40 1676 Comment
  SEINET5725086 Image available Erythronium grandiflorum K. Pinney 1975-1 162 Placer 1 mile south of Placer County Big Trees Monument on French Meadows Road.; Big Trees Monument Comment
  UC197230  Erythronium multiscapideum C. F. Sonne 1891-4-5 Placer hillside below Bloomer cut; Auburn Comment
  HSC82623  Eschscholzia caespitosa Thomas W. Nelson 1979-4-10 4584 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  UCD95313  Eschscholzia caespitosa G. K. Helmkamp; Elizabeth Helmkamp 2006-4-13 10198 Placer Northern Sierra Nevada Foothills; Forest Hill Road, 2.5 miles east of its junction with CA Hwy 49. North side of the middle fork of the American River. NE Auburn. 274 Comment
  CAS-BOT-BC403343  Eschscholzia californica Kate E. Phelps 1937-5-28 s.n. Placer Applegate Comment
  CAS-BOT-BC419539  Eschscholzia lobbii Elmer I. Applegate 1928-4-22 5363 Placer Above Auburn on Grass Valley road Comment
  POM97349  Eschscholzia lobbii Mary E. P. Ames 1891-04 s.n. Placer Auburn. Comment
  CAS-BOT-BC310366  Eucephalus breweri L. S. Smith 1927-8-5 2155 Placer Tahoe National Forest. Robertson Flat, Forest Hill Dist. Comment
  CAS-BOT-BC310371  Eucephalus breweri L. S. Smith 1927-7-1 2155 Placer Robertsons Flat, Forest Hill Distr. Comment
  SCFS1155  Eucephalus breweri E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Rocky overlook of falls on trail. Comment
  SJSU11797  Eucephalus breweri H. T. Harvey 1958-8-19 Placer Sugar Bowl 1 mi S of Donner Summit 2164 Comment
  UCR200857  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2008-9-15 14101 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  POM260049  Euphorbia crenulata C. L. Hitchcock 1940-5-7 6307 Placer 1 mile west of Baxter. Comment
  UCD142804  Euphorbia serpillifolia G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12952 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCR190713  Euphorbia serpillifolia George K. Helmkamp, E. A. Helmkamp 2007-9-14 12952 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UC65317  Eurybia integrifolia P. B. Kennedy and S. B. Doten 1901-8-19 419 Placer 7 mi from French Meadows Comment
  UCR258181  Euthamia occidentalis George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20040 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  CAS-BOT-BC413873  Fallopia convolvulus John Thomas Howell; Gordon H. True 1968-6-9 44503 Placer Near Auburn 457 Comment
  SEINET3828571  Festuca bromoides George K. Helmkamp, E. A. Helmkamp 2012-1 18647 Placer Sacramento Valley: along Ca-193, 0.1 mile west of its junction with Sierra College Blvd. (Gold Hill 7.5') 88 Comment
  SACT002495  Festuca megalura Josephine Van Ess 1977-3-26 Placer Collected north of Penryn where road is near the railroad tracks. Moist roadside. 152.4 Comment
  SACT001176  Festuca pratensis D. Meyer 1983-7-16 Placer 1624.0 Comment
  SACT001180  Festuca pratensis D. Meyer 1984-6-10 Placer 606.0 Comment
  SACT001182  Festuca pratensis D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City Shopping Center near lake shore. 1891.0 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
  SACT001194  Festuca rubra D. Meyer 1983-6-25 Placer 1636.0 Comment
  SACT001217  Festuca rubra D. Meyer 1984-8-26 Placer 1660.0 Comment
  SACT001201  Festuca viridula D. Meyer 1983-8-20 Placer From Alpine Meadows Road to summit of trail at first lake steep rocky trail with some moist meadow. 2000.0 Comment
  SACT001209  Festuca viridula Michael Baad 1983-8-27 Placer One mile west toward Cherry point. 2133.0 Comment
  SACT001214  Festuca viridula Michael Baad 1976-7-17 Placer 2 miles west of Alpine Meadows Ski Area and 6 miles west of Tahoe City 2000.0 Comment
  SEINET239050 Image available Festuca viridula G. K. Helmkamp, E. A. Helmkamp 1999-6-30 5097 Placer Northern Sierra Nevadas: Soda Springs Road .9 miles south of Donner Pass Road approaching Ice Lakes. 2104 Comment
  UCD44646  Festuca viridula C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2012 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD74214  Festuca viridula Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-26 227 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Central Pacific' ski run. 2196 Comment
  UCD44003  Fragaria virginiana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1369 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44637  Fragaria virginiana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2003 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC447511  Fragaria virginiana var. platypetala Alice Eastwood 1912-6-15 402 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC447513  Fragaria virginiana var. platypetala anonymous 1906-7-15 s.n. Placer Tahoe Tavern Comment
  CAS-BOT-BC53545  Frangula californica subsp. tomentella T. S. Brandegee 1888-9-1 s.n. Placer Alta Comment
  CAS-BOT-BC53547  Frangula californica subsp. tomentella W. R. Dudley 1909-8-20 s.n. Placer Dutch Flat Comment
  CAS-BOT-BC53549  Frangula californica subsp. tomentella David D. Keck 1933-5-31 2430 Placer Just south of Auburn on road to Roseville 304 Comment
  UCD15154  Frangula californica subsp. tomentella Phyllis Adams 1982-5-9 39 Placer California, Placer Co.; in the American River Canyon along Highway 49; 243 Comment
  SEINET11249894  Frangula rubra A. A. Heller, P. B. Kennedy 1907-7-15 8837 Placer Near mouth of Little Grizzly Creek below Genessee Comment
  CAS-BOT-BC55784  Frangula rubra subsp. rubra John Thomas Howell; Gordon H. True 1968-6-9 44514 Placer Alta 1066 Comment
  CHSC2272  Fritillaria agrestis V. Holt 1937-3-28 Placer Near Lincoln. 51 Comment
  CDA17001  Fritillaria micrantha G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16054 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UC1586052  Fritillaria micrantha Barbara Ertter with David Thompson 1989-4-8 8169 Placer near entrance to Auburn State Recreation Area (2 mi from I-80, Iowa Creek Road, at creek crossing); Iowa Creek Road 518 Comment
  SEINET8478947  Fritillaria phaeanthera Killinger 1962-3-17 s.n. Placer 3 miles E of Auburn, North Fork American River. Comment
  CHSC3140  Fuchsia hybrida Gary Dutton 1966-4-29 169 Placer Found 228 Donner Ave. Roseville. Comment
  CDA36972  Galium aparine CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  JEPS127517  Galium aparine Steve Matson 1998-7-28 366 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork of Snow Creek, north end of main boggy site. Comment
  UC147570  Galium aparine Harriet A. Walker 1908-6-23 1220 Placer Blue Canyon 1432 Comment
  UCD75698  Galium bifolium Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5147 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
  UCR121487  Galium bifolium George 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
  UC28189  Galium bifolium Kellogg 1870-6-13 Placer Camp Yuba Sierra Nevada, Cisco Comment
  POM67602  Galium bolanderi Marcus E. Jones 1882-6-27 3290 Placer Emigrant Gap. Comment
  UCR206857  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2009-7-16 15200 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UCR231007  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2010-8-14 16799 Placer Northern Sierra Nevada Mountains, American Hill Road, 1.2 miles south of its junction with Foresthill Road 1567 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
  UCD148666  Galium grayanum G. Ledyard Stebbins 1968-8-15 C 6858 Placer Devil's Peak, southeast of Soda Springs. 2286 Comment
  RSA39976  Galium grayanum var. grayanum J. T. Howell 1943-7-26 18840 Placer Mt. Lincoln. Comment
  CDA36879  Galium parisiense CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  UCD160266  Galium parisiense Chuck Hughes 2014-5-28 402 Placer Between Highway 49 and Canal Street in North Auburn. 439 Comment
  UCR219679  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2010-6-26 16375 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCD44530  Galium trifidum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1896 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD22293  Galium trifidum subsp. subbiflorum Beth Lowe Corbin 1982-8-9 284 Placer 1/2 mile SW of Onion Creek Campground. 1798 Comment
  CHSC74121  Galium triflorum Susi Urie 1998-8-13 98 -032 Placer Meadow along the south side of Ward Creek about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  SACT001231  Gastridium ventricosum D. Meyer 1983-7-24 Placer Moist, shady roadside. 1036.32 Comment
  UCR240944  Gayophytum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19896 Placer Northern Sierra Nevada Mountains, junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  SEINET9363688  Gayophytum diffusum Unknown 1999-7-17 15125 Placer Martis 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
  CDA25025  Gayophytum diffusum subsp. parviflorum J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC118007  Gayophytum diffusum subsp. parviflorum G. K Helmkamp; E. A Helmkamp 2008-8-20 14013 Placer Northern Sierra Nevada Mountains: Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River. 1811 Comment
  UCD103632  Gayophytum diffusum subsp. parviflorum D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. 1500 Comment
  POM145987  Gayophytum heterozygum J. B. Feudge 1927-7-18 1717 Placer Emigrant Gap Comment
  SEINET4150926  Gayophytum heterozygum P. A. Lehenbauer 1933-8-6 2456 Placer Lake Tahoe near Homewood Comment
  SD3703  Gentiana calycosa C. F. Sonne Sept. 1892 Placer Sierre Nevada Mts. [Above] Donner Lakes Comment
  UCD150770  Gentiana calycosa James A. Neilson Jr. 1971-8-31 2587 Placer Tahoe Basin, South fork of Blackwood Creek. 2438 Comment
  JEPS72491  Gentiana calycosa Gladys L. Smith 1972-6-18 3153 Placer above Alpine Meadows 2133 Comment
  RSA392205  Gentiana newberryi Robert Kessler 1924-08 s.n. Placer Lake Tahoe. [County: Placer or El Dorado] Comment
  JEPS47083  Gentianella amarella subsp. acuta Rowena Beans 1914-9-7 Placer Tahoe; Lake Tahoe Comment
  CDA37234  Geranium molle CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR224862  Geranium molle George K. Helmkamp, E. A. Helmkamp 2010-4-23 15910 Placer Sierra Nevada Mountains Foothills, along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  CAS-BOT-BC459366  Geum macrophyllum Grant 1906-7-15 7022 Placer Tahoe Tavern, Lake Tahoe Comment
  JEPS127439  Geum macrophyllum var. perincisum Steve Matson 1998-8-9 158 Placer Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 1 kilometer SSW from parking area. Comment
  SBBG2926  Geum macrophyllum var. perincisum H. and M. Dearing 1939-7-3 3839 Placer Truckee River, near Lake Tahoe 1828 Comment
  UCD19282  Gilia capitata Renee Shahrok 1986-6-24 16 Placer junction of Old Foresthill Rd. and Hwy 49. 195 Comment
  SDSU3083  Gilia leptalea D. F. Howe 1978-7-14 5069 Placer Route 20, 29 miles west of Truckee. 1646 Comment
  RSA755336  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp 2009-8-12 15446 Placer Forest Hill Road, 26.1 miles northeast of the city of Foresthill 2020 Comment
  SEINET7719995  Gilia tenella Unknown Placer Summit Comment
  CHSC82575  Glyceria borealis Lowell Ahart 2002-7-22 9907 Placer In a small lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  CHSC96503  Glyceria declinata Lowell Ahart; Brian Williams 2007-4-13 13662 Placer On damp granite soil, 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
  SACT001255  Glyceria elata D. Meyer 1984-7-15 Placer 1909.0 Comment
  SACT001274  Glyceria striata D. Meyer Placer No date listed. 1406.0 Comment
  CAS-BOT-BC303818  Gnaphalium John Thomas Howell 1976-7-18 51933 Placer Carnelian Bay, Lake Tahoe 1905 Comment
  UCR218233  Gnaphalium californicum George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16445 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road on the west side of Iowa Hill Bridge over the North Fork of the American River 345 Comment
  RSA757090  Gnaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2009-7-16 15199 Placer Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 Comment
  UCR259869  Gnaphalium luteoalbum George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22467 Placer Sacramento Valley, West Wise Road just east of the junction with California Lane, north of Lincoln 56 Comment
  JEPS115004  Gnaphalium palustre Lowell Ahart 2007-11-13 14597 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan 73 Comment
  JEPS126381  Gnaphalium palustre Steve Matson 1997-7-1 114 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; on north side of pond near Highway 28. Comment
  CAS-BOT-BC307369  Gnaphalium palustre Emily K. Mcpherson 1976-9-19 76- 27 -7 Placer Middle Fork of the American River, Sierra Nevada 1828 Comment
  UC427889  Gnaphalium palustre L. S. Smith 1927-8-22 Placer 6-Mile Valley, near Emigrant Gap; Tahoe National Forest, 6-mile Valley 1584 Comment
  UC1745633  Gratiola ebracteata Annetta M. Carter 1945-11-4 1736 Placer Ca. 5 mi. NW of Roseville. Sacramento Valley. Comment
  UCD132554  Grindelia camporum G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11209 Placer Northern Sierra Nevada Mountain. Along Forest Hill Road, 1.0 mile north of Forest Hill. 1037 Comment
  UCD159475  Grindelia squarrosa var. serrulata D. S. Park 2010-8-21 229 -1 Placer Corner of Donner Pass Rd. and Hampshire Rocks Rd. All around ramp into highway I-80. Disturbed. Near roadsigns. Abundant. 1788 Comment
  JEPS2684 Image available Hackelia amethystina Helen D. Geis Jun 1 1912-Jul 1 1912 215 Placer Crag's slope Deer Park; Deer Park, Placer Co. Comment
  SEINET3826192 Image available Hackelia jessicae Sally Walker 1982-8-5 s.n. Placer Ski area on Jahre-Truckee Road Comment
  UC24782  Hackelia micrantha J. Burtt Davy Jun 25 1897-Jun 30 1897 3244 Placer near Tahoe; Truckee River Basin Comment
  UCR246829  Hackelia micrantha George K. Helmkamp, E. A. Helmkamp 2010-7-28 16654 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  POM181063  Hackelia nervosa A. A. Heller 1912-7-20 10591 Placer Summit. 2073 Comment
  UC710452  Hackelia nervosa Lewis S. Rose 1944-7-10 44054 Placer Chambers Lodge Lake Tahoe 1920 Comment
  JEPS71518  Hackelia velutina Gladys L. Smith 1972-6-20 3235 Placer ridge from chairlift terminus to Ultimate Summit Peak; Ward Peak 2632 Comment
  UC311608  Helianthella californica subsp. nevadensis Dr. H. M. Evans 1918-7-1 Placer Donner Tahoe Region 2133 Comment
  UC88873  Helianthella californica subsp. nevadensis C. F. Sonne 1897-8-14 Placer above Coldstream Comment
  CAS-BOT-BC305357  Helianthus annuus C. F. Sonne 1887-8-28 s.n. Placer Sierra Nevada Mountains. On Truckee River Comment
  SBBG128841  Hemieva ranunculifolia G. K. Helmkamp, E. A. Helmkamp 2010-8-14 16779 Placer American Hill Rd, (Forest Route 13), 4.7 mi S of its jct with Foresthill Rd and just S of a crk crossing 1552 Comment
  CAS-BOT-BC314973  Hemizonella minima Miss. H. A. Walker 1910-6-1 2036 Placer Deer Park Comment
  UC124517  Hesperochiron californicus A. Kellogg Placer Cisco Comment
  UC112844  Hesperochiron californicus Katharine Brandegee July 1908 Placer banks of Yuba R. a mile or so above Cisco; Yuba R. Comment
  UC193926  Hesperochiron pumilus C. F. Sonne 1887-7-11 Placer woods on Truckee R., on Pole Creek Truckee R., Pole Creek Comment
  UC380603  Heteromeles arbutifolia Marcus E. Jones, A. M. 1882-7-3 Placer Colfax Comment
  UCD133036  Heterotheca grandiflora Collector Unknown Date Unknown s.n. Placer Exact location unknown. Comment
  UCD16138  Heuchera micrantha var. erubescens S. Boshoven 1983-5-30 9 Placer California. Placer County: Mosquito Ridge Rd., 13.5 mi from Forest Hill Rd. and Mosquito Ridge intersection. 1219 Comment
  UCR242399  Heuchera micrantha var. erubescens Susan Boshoven 1983-5-30 9 Placer Sierra Nevada Mtns., Mosquito Ridge Road, 13.5 miles from Forest Hill Rd. and Mosquito Ridge intersection 1220 Comment
  UCD22321  Heuchera rubescens Rex Palmer 1979-6-19 N 323 Placer Headwaters basin area of the North Fork of the American River 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
  SBBG66312  Hieracium albiflorum M. N. Ackley -Jun-1925 153 Placer Gold Run 983 Comment
  SEINET11259299 Image available Hieracium albiflorum M. Koski 2009-10-8 NV 030 -297 Placer Near Onion Creek 2005 Comment
  UCD74042  Hieracium albiflorum Jennifer W. Burt 2005-7-12 113 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from coniferous forest near abandoned ski runs. 1974 Comment
  CAS-BOT-BC319597  Hieracium albiflorum Leland S. Smith 1926-5-23 s.n. Placer Forest Hill, Tahoe Forest Reserve Comment
  CAS-BOT-BC319758  Hieracium argutum G. L. Stebbins; J. Hunziker; H. Stutz; D. Zohary 1952-7-20 5134 Placer Along road from Colfax to Forest Hill 1/2 mile south of crossing of American River 304 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
  SACT001288  Holcus lanatus D. Meyer 1984-8-19 Placer 8.4 km north of I80 103.0 Comment
  SEINET9259607  Holcus lanatus George K. Helmkamp, Amy Barnes 2014-1 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 719 Comment
  CAS-BOT-BC150013  Holodiscus discolor var. discolor John H. Thomas; Hazelle A. Thomas 1956-7-21 6194 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD22266  Holodiscus discolor var. microphyllus Beth Lowe Corbin 1982-8-10 298 Placer 1 1/4 miles WNW of Onion Creek Campground. SE facing slope, 30% incline. Full sun. Uncommon. In granitic slope of montane chaparral. Shrub 2 ft tall. Old bark greyish, flaking. Flowers creme white. 1981 Comment
  SACT001303  Hordeum brachyantherum D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT001316  Hordeum brachyantherum Michael Baad 1983-7-10 Placer Open wet meadow. 1524.0 Comment
  UCD22253  Hordeum brachyantherum Beth Lowe Corbin 1982-8-3 171 Placer Onion Creek Campground. S facing slope. Full sun to partial shade. Moderately abundant. Dry, open meadow of mixed conifer forest in fine, sandy, granitic soil. More abundant toward creek. Perennial bunchgrass, forming moderately large clumps. Inflorescence purplish. 1841 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
  SACT001324  Hordeum californicum D. Meyer 1983-8-20 Placer Moist roadside meadow some revegetation following residential construction. 2000.0 Comment
  CDA37221  Hordeum leporinum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SACT001376  Hordeum leporinum D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT001382  Hordeum leporinum D. Meyer 1984-5-6 Placer 145.5 Comment
  CDA36870  Hordeum marinum subsp. gussoneanum CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  CDA36911  Hordeum marinum subsp. gussoneanum CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  CDA37223  Hordeum marinum subsp. gussoneanum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SEINET4670481  Hordeum murinum subsp. leporinum W. D. Billings 1940-3-31 1277 Placer Canyon of Yuba River, 5 miles southeast of Auburn Comment
  UC1128159  Horkelia fusca subsp. parviflora N. French 1934-6-19 423 Placer 1/4 mi w Devil's Peak; Tahoe National Forest, Truckee quadrangle 2103 Comment
  UC12399  Horkelia fusca subsp. parviflora J. Burtt Davy Jun 25 1897-Jun 30 1897 3264 Placer Truckee to Tahoe Truckee river Basin Comment
  UC128221  Horkelia fusca subsp. parviflora Miss Harriet A. Walker 1908-7-26 1399 Placer Cisco 1798 Comment
  CAS-BOT-BC205641  Horkelia fusca var. parviflora James R. Shevock 1985-8-9 11339 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granitie [Granite] Chief Wilderness. Along trail 16E10 in Picayune Valley 2050 Comment
  UCD22268  Horkelia fusca var. parviflora Beth Lowe Corbin 1982-8-11 328 Placer 1 1/2 miles WNW of Onion Creek Campground. 1935 Comment
  UCD22269  Horkelia fusca var. parviflora Rex Palmer 1979-7-10 N 524 Placer Headwaters basin area of the North Fork of the American River Comment
  OBI20154  Horkelia fusca var. pseudocapitata David J. Keil 1978-7-23 12944 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  SEINET6767889  Horkelia tridentata M. J. Williams 1986-6-19 86- 64 -3 Placer Sierra Nevada; S of I-80, near Cisco Grove. 1743 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-BC537980  Horkelia tridentata var. tridentata A. A. Heller 1917-6-17 12705 Placer gravelly places along the Yuba River below Cisco 1676 Comment
  JEPS127539  Hosackia crassifolia var. crassifolia Steve Matson 1998-8-15 352 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork northeast of bog. Comment
  UCD106160  Hosackia oblongifolia R. Tofsrud 1951-7-1 s.n. Placer Hwy. 40, above Baxter 3/4 mile below drinking station. Comment
  UCD22014  Hosackia oblongifolia Beth Lowe Corbin 1982-8-11 315 Placer 1 2/3 mile SW of Onion Creek campground. Along moist bank of drainageway, in montane chaparral. Herb about 18' high. Flowers yellow with red lines, wings white. Mostly shade. South facing slope, 20% incline. Common. 1889 Comment
  SD6063  Hosackia oblongifolia var. oblongifolia Unknown Jul 1914 Placer Cisco Comment
  SCFS11529139  Hosackia pinnata E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2.5 mi downstream from Cedars. Growing on sandy riverbank. Comment
  UCD111349  Humulus lupulus John Thomas Howell 1974-7-12 50610 Placer Emigrant Gap. 1615 Comment
  UC24090  Hydrophyllum capitatum var. alpinum C. J. Fox Jr. Jul 1895 Placer Deer Park Inn Comment
  UCR545  Hydrophyllum occidentale Frank C. Vasek 1955-6-29 248 Placer Sierra Nevada Mountains, Sugar Bowl, near Donner Pass [ski area, c. 1 mi. east of Lake Van Norden] 2141 Comment
Read comments
Jul 27 2014
  CDA7484  Hymenothrix loomisii T. C. Fuller 1962-9-2 9624 Placer South side of Highway 40 freeway to Donner Summit, 4.8 miles east of Weimar. 0 Comment
  UCR151578  Hypericum anagalloides Beecher Crampton 1952-11-9 925 Placer 6 mi east of Auburn 457 Comment
  UC871756  Hypericum anagalloides P. A. Lebenbauer 1932-6-26 Placer on shore Lake Tahoe (Tahoe City); , Tahoe City 1898 Comment
  UCD73491  Hypericum canadense Debra Sykes 2008-10-25 s. n. Placer City of Rocklin, garden of Debra Sykes. Comment
  CAS-BOT-BC410213  Hypericum concinnum Vincent Jones 1919-7-7 s.n. Placer ridge above Bear Valley Comment
  RSA751264  Hypericum concinnum George K. Helmkamp, E. A. Helmkamp 2008-8-20 14033 Placer Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  UC1122099  Hypericum concinnum B. Bolt 1934-7-4 78 Placer Sawtooth Ridge Tahoe Nat'l Forest, Colfax Quad., Sawtooth Ridge Comment
  UCD35243  Hypericum mutilum subsp. mutilum Beecher Crampton 1952-11-9 925 Placer 6 miles east of Auburn. 457 Comment
  SEINET5344239  Hypericum scouleri P. A. Lehenbauer 1932-9-5 s.n. Placer Truckee River, near Tahoe City Comment
  UC1123682  Ipomopsis aggregata N. French 1934-6-22 451 Placer 7/8 mi w Dulzura Lake; Truckee Quadrangle 2286 Comment
  UCD21977  Ipomopsis aggregata Beth Lowe Corbin 1982-8-4 225 Placer 1/4 mile NW of Onion Creek campground. In rocky, fine, sandy soil in montane chaparral. Perennial. Flowers bright scarlett. Partial sun. SW facing slope, 15% incline. Uncommon. 1950 Comment
  POM147882  Ipomopsis aggregata subsp. formosissima J. B. Feudge 1927-7-19 1746 Placer Donner Lake 2134 Comment
  UC23473  Ipomopsis congesta C. J. Fox Jr. 1895-7-1 Placer near Squaw Peak Comment
  JEPS111163  Ipomopsis congesta subsp. montana Steve Matson 2005-7-16 1397 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  SDSU330  Iris hartwegii D. F Howe 1965-5-20 4058 Placer Canyon on south side of north fork of American River, between Forest Hill and Yankee Jims. Comment
  UCD138734  Iris hartwegii subsp. hartwegii K. O'Keefe 1995-6-4 s.n. Placer along Forest Hill Road, about 4 miles east of Forest Hill (town). Western Sierra foothills. 900 Comment
  SEINET11261550  Iris tenuissima subsp. purdyiformis George Helmkamp, E. A. Helmkamp 2012-5-5 18913 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
  UC9316  Isopyrum occidentale H. N. Bolander 1865-4-12 4553 Placer near Forest Hill; near Forest Hill Comment
  UC830912  Jensia rammii C. L. Hitchcock 1940-5-14 6394 Placer ca 6 mi n Colfax; Meier Ranch 762 Comment
  SEINET6173880  Juncus W. D. Billings 1951-7-28 2139 Placer Tallbot Home Camp, Middle Fk. American River 1676 Comment
  UC1100933  Juncus balticus Malcolm A. Nobs and S. Galen Smith 1949-8-21 1503 Placer n end Lake Tahoe (between Sandy Beach and Agate Bay) Comment
  CDA37250  Juncus bufonius CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD43302  Juncus bufonius var. occidentalis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 670 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CHSC108740  Juncus chlorocephalus B. Castro; L. P. Janeway 2003-8-23 1447 Placer Northern High Sierra Nevada. Ca 5 air mi SW of Homewood (Lake Tahoe). Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake; 1.9 mi SSW of Barker Pass. Along edge of creek on wet sand/gravel bars, sometimes partly into the water. 2106 Comment
  RSA747124  Juncus chlorocephalus George K. Helmkamp, E. A. Helmkamp 2008-8-20 14035 Placer Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  UC143805  Juncus chlorocephalus A. A. Heller 1903-8-17 7178 Placer above Donner; Donner Pass 2529 Comment
  UCD74139  Juncus chlorocephalus Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 242 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2151 Comment
  JEPS73240  Juncus drummondii Gladys L. Smith 1972-8-25 3440 Placer Granite Chief, along trail below meadow within n-face cirque Granite Chief 2560 Comment
  RSA783469  Juncus effusus Peter Rubtzoff 1980-8-20 9590 Placer The southern lake of Serene Lakes (Ice Lakes on 1955 Donner Pass 15 quad). At Serene Lakes Lodge Comment
  CDA13671  Juncus ensifolius G. F. Hrusa, J. Glazner 1997-8-3 14031 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC79381  Juncus ensifolius Beecher Crampton 1975-9-9 9277 Placer Gold Run rest area on Hwy. 80. 914 Comment
  CHSC67713  Juncus mertensianus James D. Jokerst 1986-7-13 2720 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, in Sheet Valley. Basin. 2133 Comment
  CHSC74324  Juncus nevadensis Susi Urie 1998-9-4 98 -252 Placer Lake Tahoe Basin--National Forest. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  UCD43984  Juncus nevadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1350 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD43985  Juncus nevadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1351 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  JEPS103514  Juncus occidentalis Lowell Ahart 2002-7-22 9911 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
  UCD43350  Juncus occidentalis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 718 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CHSC74325  Juncus orthophyllus Susi Urie 1998-8-29 98 -171 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCD74147  Juncus parryi Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 249 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Donner's Way' ski run. 2154 Comment
  UCD36110  Juncus patens Beecher Crampton 1952-11-9 923 Placer 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  RSA0122314  Juniperus Marcus E. Jones 1889-6-21 s.n. Placer Cisco. Comment
  JEPS46586  Juniperus californica Harriet P. Kelley 1914-7-14 Placer rocky hill side above Yuba River; Cisco Comment
  SEINET5334970  Juniperus occidentalis P. A. Lehenbauer 1937-9-19 s.n. Placer on road to Carnelian Bay, 4 miles from Lake Tahoe Comment
  CAS-BOT-BC235569  Keckiella breviflora Francis W. Pennell 1940-6-2 25659 Placer Route 49 north of American River, east of Auburn 274 Comment
  NY786806  Keckiella breviflora var. breviflora F. W. Pennell 1940-6-2 25659 Placer Route 49. North of American River, east of Auburn. 274.3 Comment
  JEPS16146  Keckiella lemmonii Rimo Bacigalupi with Aldo Bacigalupi 1952-8-15 3922 Placer 1.5 mi w Cisco (Lodge) (along U.S. Hwy 40) 1676 Comment
  CHSC32011  Kelloggia galioides L. Ahart 1972-6-28 130 Placer French Meadows. 1524 Comment
  SD243203  Kelloggia galioides George K. Helmkamp, E. A. Helmkamp 2010-7-28 16649 Placer Northern Sierra Nevada Mountains: Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill. 1384 Comment
  SEINET4560772  Kelloggia galioides George K. Helmkamp, E. A. Helmkamp 2010-1 16658 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill. 2041 Comment
  UC35328  Kelloggia galioides C. F. Sonne 1885-8-23 Placer Coldstream; Sierra Nevada Mountains Comment
  UC662634  Kelloggia galioides L. S. Rose 1941-7-21 41338 Placer Chambers Lodge (McKinney); Lake Tahoe 1900 Comment
  JEPS60686  Kumlienia hystricula R. E. Arp 1932-4-18 12 Placer a few mi above Auburn 457 Comment
  UC9456  Kumlienia hystricula H. N. Bolander 1865-4-15 4630 Placer near Butcher Ranch (Dardanelles Canyon); Dardanelles Canyon Comment
  CAS-BOT-BC340398  Lactuca G. P. Rixford 1913-9-2 s.n. Placer Loomis Comment
  CAS-BOT-BC341352  Lagophylla glandulosa Rimo Bacigalupi; G. L. Stebbins; Juan Hunziker; Alex Hawkes; Daniel Zohary; Howard Stutz; Friedrich Ehrendorfer 1952-7-19 3848 Placer On grade down into and on the north slope of the North Fork of the American River, 1 1/2 miles north of (and below) Colfax on the road to Iowa Hill Comment
  UCR253552  Lamium amplexicaule George K. Helmkamp, Amy Barnes 2014-4-23 22804 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
  UCR258238  Lasthenia californica George K. Helmkamp, Amy Barnes 2013-3-28 20238 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  CAS-BOT-BC257633  Lasthenia glaberrima George K. Helmkamp; E. A. Helmkamp 2011-5-12 17252 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
  RSA726776  Lasthenia glaberrima L. Ahart 2007-4-13 13632 Placer About 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 44 Comment
  CAS-BOT-BC213499  Lathyrus jepsonii subsp. californicus Marcus E. Jones 1883-7-1 s.n. Placer Emigrant Gap Comment
  CDA19567  Lathyrus nevadensis var. nevadensis M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 248 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
  SEINET11261547  Lathyrus sulphureus George Helmkamp, E. A. Helmkamp 2012-5-5 18914 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
  SEINET6744634 Image available Lathyrus sulphureus Marcus E. Jones 1882-1 Placer Emigrant Gap Comment
  UCD15487  Lathyrus sulphureus Greg Cohler 1984-5-26 9 Placer 16 miles E. of Forest Hill Rd. on F.S. 97. 914 Comment
  UCR194939  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12004 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  SEINET5327340  Lathyrus sulphureus A. Allen 1950-5-20 43 Placer On Hwy 40, 4 mi W of Gold Run, 914 Comment
  CDA32945  Layia fremontii P. W. Hiatt 1979-3-29 Placer Near Rocklin; Sierra College Blvd. 0 Comment
  UCR173788  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10714 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
Read comments
Jan 8 2013
  UCR250686  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Mary Alice Barnes 2013-4-18 20355 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
  SEINET11447839 Image available Layia platyglossa R. L. Smith 1942-4-3 9 Placer 5 miles E of Roseville 122 Comment
  JEPS66644  Ledum glandulosum C. F. Sonne 1885-7 207 Placer Summit at Lake Angeline Lake Angeline; Sierra Nevada Mountains, Lake Angeline Comment
  SEINET4560741  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2011-1 17256 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
  UCR198414  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2008-4-17 13292 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  CAS-BOT-BC88834  Lepidium campestre John Thomas Howell; Gordon H. True 1968-6-9 44513 Placer Sierra Nevada. Alta. 1066 Comment
  CDA3791  Lepidium latifolium J. C. Henderson, K. Stark 1971-7-16 Placer Sierra Nevada; Southern Pacific Railroad tracks, Penryn. Comment
  UCD70569  Lepidium nitidum Art Shapiro 1998-3-10 s.n. Placer Above N. Fork of American River off Iowa Hill Rd. 640 Comment
  CAS-BOT-BC12898  Lepidium strictum Gordon H. True 1971-4-9 6461 Placer Northern limits of Lincoln. 48 Comment
  SD247379  Lepidium strictum George K. Helmkamp, Amy Barnes 2013-3-28 20288 Placer Eastern Sacramento Valley: northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan. 35 Comment
  UCR229452  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17900 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
  UC63961  Leptodactylon pungens C. J. Fox Jr. July 1895 Placer near Squaw Peak; near Squaw Peak Comment
  CHSC91653  Leptosiphon bolanderi M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 259 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. Along old road. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  POM260279  Leptosiphon bolanderi C. L. Hitchcock 1940-5-15 6407 Placer 6 miles N of Colfax Comment
  UCD118758  Leptosiphon filipes Ted Niehaus 1959-5-3 98 Placer Granite Bay park, north shore of Folsom Lake. Comment
  POM299439  Leptosiphon harknessii L. S. Rose 1941-7-18 41322 Placer Chambers Lodge (McKinney), Lake Tahoe 2100 Comment
  CAS-BOT-BC341750  Lessingia nana John Thomas Howell; Gordon H. True 1971-5-26 47631 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC341770  Lessingia nemaclada B. C. Cain 1925-8-15 14 Placer 2 mi. south of Auburn at Wise Power House Comment
  CAS-BOT-BC342044  Lessingia virgata A. A. Heller 1915-9-12 12275 Placer In fields near Roseville Comment
  CAS-BOT-BC342045  Lessingia virgata A. A. Heller 1915-9-12 12275 Placer In fields near Roseville Comment
  CAS-BOT-BC342046  Lessingia virgata Beecher Crampton 1958-7-11 5010 Placer Rolling Valley plain, 3.3 miles east of Sheridan Comment
  UC1121018  Leucothoe davisiae N. French 1934-7-7 499 Placer Tahoe National Forest, Texas Hill Texas Hill; Tahoe National Forest, Texas Hill 1524 Comment
  SEINET5336469  Lewisia kelloggii M. J. Williams 1970-6-7 s.n. Placer S of Emigrant Gap, overlooking N fork American River. 1615 Comment
  CAS-BOT-BC444164  Lewisia nevadensis W. A. Gosline; A. R. Gosline 1943-6-26 s.n. Placer Norden Comment
  UC192284  Lewisia nevadensis C. F. Sonne 1884-6-29 Placer meadow near old mill at Donner Lake Donner Lake Comment
  SD1543  Lewisia pygmaea C. F. Sonne 1897-6-26 Placer Near Summit, in sandy soil Comment
  CHSC68040  Ligusticum grayi James D. Jokerst 1986-7-13 2705 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  CAS-BOT-BC130779  Lilium pardalinum A. M. Vollmer; L. Beane 1951-7-1 188 Placer Bear Valley, east of Nevada City Comment
  CAS-BOT-BC130780  Lilium pardalinum Mrs. H. C. Cantelow 1937-7-11 3986 Placer Dutch Flat Comment
  RSA377183  Lilium parvum Bonnie C. Templeton 1931-7-4 1503 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  UCD44538  Lilium parvum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1904 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC508480  Lilium parvum F. Almeda 1993-7-24 7282 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2133 Comment
  UC984814  Lilium washingtonianum subsp. washingtonianum A. M. Vollmer and L. Beane Jul 1951 191 Placer e of Nevada City; Bear Valley Comment
  SBBG122297  Limnanthes alba G. K. Helmkamp with E. A. Helmkamp 2008-4-17 13290 Placer Sacramento Valley Ranch House Rd, 0.2 mi SE of Sheridan 37 Comment
  SEINET8727023 Image available Limnanthes alba Charles T. Mason Jr. 1949-1 1294 Placer 4.3 miles S. W. of Placerville along U. S. Highway 50. Comment
  UC907582  Limnanthes alba Alice Williams 1946-5-15 3 Placer 0.2 mi w Weimar Post Office (ditch by roadside (US 40)); Weimar Comment
  UCR121481  Linanthus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5021 D Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UC30173  Linanthus bicolor H. N. Bolander 1865-1 4568 Placer Auburn Comment
  UC880322  Linanthus bolanderi C. L. Hitchcock 1940-5-15 6407 Placer 6 mi n Colfax Comment
  UC880328  Linanthus ciliatus P. A. Lebenbauer 1923-6-10 Placer near Homewood; Lake Tahoe Comment
  CDA6359  Linaria genistifolia subsp. dalmatica G. D. Barbe, W. Sauer 1984-7-25 4183 Placer Along north shore of Lake Tahoe between U.S. Coast Guard Station and Bristle Cone Street, Lake Forest. Comment
  UCR229547  Linum lewisii var. alpicola George K. Helmkamp, E. A. Helmkamp 2011-7-26 17891 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
  SACT002872  Lithocarpus densiflorus Michael Baad 1983-6-26 Placer 1.4 miles southeast of Forest Hill Divide Road on Michigan Bluff Road. 1158.24 Comment
  CAS-BOT-BC36161  Lithocarpus densiflorus var. densiflorus C. B. Wolf 1930-10-11 55 Placer 8 miles west of Emigrant Gap on road to Colfax 1371 Comment
  RSA293427  Lithophragma bolanderi Reino Alava 1958-5-3 2024 Placer 8 miles W of Auburn on the County Rd No 74. Comment
  UC858169  Lithophragma glabrum Alice Eastwood Jun 15 1912-Jun 19 1912 376 Placer Deer Park; Lake Tahoe Region, Deer Park Comment
  CAS-BOT-BC317306  Lithospermum californicum Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat. Comment
  SACT001458  Lolium perenne Josephine Van Ess 1977-4-29 Placer Collected 1.7 miles west of Watt Ave. Waste corner of field, dried up. 21.3 Comment
  UCR173175  Lolium perenne subsp. multiflorum George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10128 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  CDA15638  Lomatium dissectum var. multifidum G. F. Hrusa, J. Glazner 1999-7-18 15198 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. . 1920 Comment
  JEPS126308  Lomatium dissectum var. multifidum Steve Matson 2001-5-28 487 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, 400 yards south power lines, 300 yards west of Golf course. Comment
  CHSC24728  Lomatium utriculatum T. C. English 1976-4-11 21 Placer At foot of cliff 2 mi w of Hwy 49 bridge on n fork of the American River, n side of abandoned R.R. 335 Comment
  UCR231874  Lonicera hispidula var. vacillans George K. Helmkamp, E. A. Helmkamp 2010-10-16 17021 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  UC1125255  Lonicera interrupta C. R. Clar 1933-6-4 128 Placer near Newcastle; Sacramento Quadrangle Comment
  CAS-BOT-BC241427  Lonicera involucrata var. involucrata G. E. Poore 1912-7-1 174 Placer Tahoe National Forest, Sierra Nevada Comment
  CAS-BOT-BC200944  Lotus C. L. Hitchcock 1940-5-7 6322 Placer Ca. 1 mile west of Baxter Comment
  CAS-BOT-BC200946  Lotus Hazelle A. Thomas; John H. Thomas 1956-7-21 6183 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UC15545  Lotus aboriginus H. N. Bolander Apr 1865 4617 Placer Forest Hill 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
  JEPS83670  Lotus humistratus W. H. Shockley Jun 1886 Placer Auburn Comment
  UC864816  Lotus humistratus C. L. Hitchcock 1940-5-14 6382 Placer ca 6 mi n Colfax (Meier Ranch) 762 Comment
  UCR218230  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2010-6-26 16407 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  RSA25275  Lotus incanus C. L. Hitchcock 1940-5-7 6326 Placer 1 mile west of Baxter. Comment
  JEPS20049  Lotus incanus Leland S. Smith 1926-5-25 1859 Placer e of Michigan Bluff (below Dollar Camp); Mosquito Ridge 1219 Comment
  CDA37243  Lotus micranthus CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  RSA27665  Lotus micranthus C. L. Hitchcock 1940-5-7 6322 Placer 1 mile west of Baxter. Comment
  JEPS111130  Lotus micranthus Steve Matson 2005-4-17 1223 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  UC186937  Lotus nevadensis var. nevadensis C. F. Sonne Jul 1883 Placer meadow along Truckee River Truckee River Comment
  POM27010  Lotus oblongifolius Marcus E. Jones 1882-6-27 3282 Placer Emigrant Gap. Comment
  UC864267  Lotus pinnatus Marcus E. Jones, A. M. 1882-1 3282 Placer Emigrant Gap Comment
  JEPS55783  Lotus purshianus var. purshianus W. H. Shockley Jun 1886 Placer Auburn Comment
  UC862213  Lotus purshianus var. purshianus A. A. Heller 1917-8-12 12872 Placer w of Emigrant Gap (Southern Pacific reservoir) Comment
  RSA406278  Lotus unifoliolatus Wm. Martin 1971-9-10 20204 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  SEINET9323463  Lotus unifoliolatus var. unifoliolatus Unknown 1972-7-26 8836 Placer Carpenter Flat E of Emigrant Gap, dry soil along rd and banks UC Davis Herbarium Comment
  CAS-BOT-BC201252  Lupinus Charles Piper Smith 1932-9-2 4776 Placer Tahoe City, 3 miles north, Truckee Road Comment
  SEINET8057810  Lupinus A. Allen 1950-4-29 27 Placer 6 miles from Folsom on Loomis Folsom Road 244 Comment
  RSA87186  Lupinus adsurgens F. W. Peirson 1931-8-10 9551 Placer West shore of Lake Tahoe. 1905 Comment
  SEINET5327610  Lupinus albicaulis A. Allen 1950-5-20 35 Placer 10 miles west of Auburn on Grass Valley road. 488 Comment
  SEINET5327624  Lupinus albifrons Polkinghorne 1964-3-21 s.n. Placer Near Auburn. 549 Comment
  CAS-BOT-BC201562  Lupinus albifrons var. albifrons Ames 1884-5-1 s.n. Placer Auburn Comment
  UCR111007  Lupinus angustiflorus George K. Helmkamp, E. A. Helmkamp 1999-6-30 5094 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  UCR242369  Lupinus arbustus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16678 Placer Northern Sierra Nevada Mountains, Robinson Flat campground near the junction of Forest Hill Road and Soda Springs Road, 27 miles northwest of the city of Foresthill 2040 Comment
  CAS-BOT-BC8276  Lupinus arbustus subsp. silvicola Amos Arthur Heller 1909-7-16 9857 Placer Summit 2133 Comment
  SD237433  Lupinus benthamii G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15908 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
  UCR208276  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2009-5-7 14644 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.9 miles east of its junction with Forest Hill Road in Foresthill 476 Comment
  UCR233335  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2011-4-1 17115 Placer Eastern Sacramento Valley, along CA-193 (Lincoln-New Castle Hwy), 0.4 mile west of Gold Hill Road, 5.4 miles (air) east of Lincoln 108 Comment
  JEPS65024  Lupinus benthamii R. E. Arp 1932-4-18 4 Placer Coloma Comment
  CDA37252  Lupinus bicolor CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  JEPS65004  Lupinus bicolor R. E. Arp 1932-4-18 3 Placer Roseville Comment
  OBI081422  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20290 Placer Eastern Sacramento Valley; northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  UCD107243  Lupinus bicolor G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11705 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  UCD164623  Lupinus bicolor Brandi Sorensen 1995-5-12 14 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  RSA20897  Lupinus bicolor subsp. microphyllus Carl B. Wolf 8630 Placer Sacramento Valley, 2 mi. No. of Lincoln. 53 Comment
  RSA43817  Lupinus bicolor subsp. microphyllus D. F. Howe 1948-5-22 s.n. Placer [Unspecified] 610 Comment
  UCD108133  Lupinus latifolius F. A. MacFadden 1934-7-9 s.n. Placer Near flume below Emigrant Gap. Comment
  RSA414802  Lupinus latifolius subsp. latifolius E. J. Koaus 1924-7-10 s.n. Placer Lake Tahoe. Comment
  UCD108565  Lupinus lepidus var. sellulus A. A. Heller 1912-7-20 10588 Placer Summit. 2072 Comment
  RSA413787  Lupinus lyallii var. lyallii Marcus E. Jones 1930-7-10 25457 Placer Lake Tahoe Comment
  CDA19539  Lupinus nanus M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 257 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
  CHSC90382  Lupinus nanus Wm. Schierenberg 1988-3-30 18 Placer Hillside, ca. 5 km w from Auburn, ca. 50 m n of Dry Creek behind Sierra College. 71 Comment
  RSA792718  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2011-4-10 17171 Placer along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  UC1586093  Lupinus nanus Barbara Ertter with David Thompson 1989-4-9 8197 Placer ne Auburn (halfway down road to Lake Clementine (= North Fork Lake)); dwn rd to Lake Clementine (= North Fork Lake), ne of Auburn 304 Comment
  UCR173517  Lupinus nanus George 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
  UCR188841  Lupinus polyphyllus subsp. polyphyllus George K. Helmkamp, E. A. Helmkamp 2007-3-25 11708 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  SEINET12902685 Image available Lupinus silvicola A. A. Heller 1909-1 9857 Placer Summit 2134 Comment
  UC126755  Lupinus stiversii Miss Martha Brier June 1894 Placer Bear Valley; near Fowler Comment
  POM180967  Luzula comosa A. Kellogg 1870-6-16 s.n. Placer Cisco. Comment
  UCR235482  Luzula comosa George K. Helmkamp, E. A. Helmkamp 2012-5-5 18937 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  SEINET6331925  Luzula comosa J. J. Murray 1965-3-13 s.n. Placer Auburn 549 Comment
  CAS-BOT-BC436667  Luzula comosa var. laxa Dr. Kellogg 1870-6-16 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  CAS-BOT-BC343777  Madia elegans L. R. Abrams 1927-9-13 12156 Placer Lincoln Highway, 11 miles east of Auburn Comment
  CDA36970  Madia elegans D. B. Joley Oct 1985 s.n. Placer Near Loomis. 0 Comment
  UCD134236  Madia elegans Collector Unknown Date Unknown s.n. Placer Exact location unknown. Comment
  CAS-BOT-BC344464  Madia exigua Kellogg; Brannan 1870-6-8 s.n. Placer Cisco, Sierra Nevada Mts Comment
  UCR190664  Madia exigua George K. Helmkamp, E. A. Helmkamp 2007-5-23 12075 Placer Northern Sierra Nevada Mountains Foothills, junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  UCR194961  Madia exigua George K. Helmkamp, E. A. Helmkamp 2007-5-18 12007 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  POM362230  Madia glomerata Fay A. MacFadden 1934-8-10 12938 Placer Cisco Comment
  POM253192  Madia rammii A. A. Heller 1938-5-7 15076 Placer Between Smartsville and Rough and Ready. Nevada city about 12 miles E Comment
  CHSC85745  Maianthemum racemosum G. F. Hrusa; J. Glazner 2000-9-3 15663 A Placer Northern Sierra Nevada. Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  RSA377710  Maianthemum stellatum Bonnie C. Templeton 1931-7-4 1502 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  UCD150496  Maianthemum stellatum James A. Neilson Jr. 1970-8-7 2067 Placer Tahoe Basin, Tahoe Pines, 895 Grand Ave. 1920 Comment
  SEINET12049610  Maianthemum stellatum J. H. Nishida 1985-1 785 Placer Homewood 1829 Comment
  SEINET9345680  Marrubium vulgare Unknown 2002-5-27 267 Placer Folsom Lake State Recreation Area, CA Comment
  UC122541  Marsilea vestita subsp. vestita T. S. Brandegee Sept, 1888 Placer Emigrant Gap Comment
  UCR198048  Medicago lupulina Beth Lowe Corbin 1982-8-13 347 Placer Headwaters Basin Area of the North Fork of the American River. 1/2 mi west of The Cedars 1723 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
  SD241814  Medicago polymorpha G. K Helmkamp, E. A. Helmkamp 2010-4-17 15879 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 1.9 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 313 Comment
  CAS-BOT-BC269213  Melica aristata R. K. Gierisch; D. H. Esplin 1969-7-11 3522 Placer Tahoe National Forest. Big Bend Comment
  SACT001473  Melica aristata Michael Baad 1983-7-23 Placer .25 mile west of US Highway 89. Boggy meadows along road. 1828.8 Comment
  UC55049  Melica aristata Kellogg Placer Cidco; Sierra Nevada Mtns Comment
  UCD66811  Melica aristata Beecher Crampton 1955-7-13 3006 Placer Blue Canyon. 1432 Comment
  SACT001499  Melica californica Josephine Van Ess 1977-4-27 Placer Collected near top of hill where flume crosses the road. Dry slope. 140.2 Comment
  SACT001506  Melica fugax Michael Baad 1977-6-8 Placer 1570.6 Comment
  UC818854  Melica fugax Alice Eastwood Jun 15 1912-Jun 19 1912 463 Placer Lake Tahoe Region Comment
  UCD87269  Melica fugax Beecher Crampton 1958-6-24 4960 Placer Eastern area of Martis Valley, ca. 4 miles southeast of Truckee. Comment
  SACT001521  Melica harfordii D. Meyer 1984-8-4 Placer wet roadside ditch and shaded hillside seeping water 1454.0 Comment
  SACT001529  Melica stricta Michael Baad 1976-8-25 Placer ridge north of and including Twin Peaks. 3.5 miles northwest of Homewood. 2500.0 Comment
  CAS-BOT-BC262449  Melica subulata G. L. Stebbins 1977-7-9 7769 Placer Along trail from McKinistry Lake to Rubicon River 1889 Comment
  SACT001536  Melica torreyana Michael Baad 1983-5-7 Placer 2 miles south of Colfax on Iowa Hill Road; rocky opening; disturbed area; 978.0 Comment
  SACT001558  Melica torreyana D. Meyer 1984-6-10 Placer 3.2 km southwest of Colfax, steep shady cliff along slowly moving stream 606.0 Comment
  UCR218451  Melica torreyana George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16427 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
  CHSC79164  Melilotus albus Beecher Crampton 1972-7-26 8848 Placer Carpenter Flat east of Emigrant Gap. Drainage ditch along Laing's road. 1615 Comment
  UC303589  Mentzelia congesta G. B. Grant July, 1906 7067 Placer Lake Tahoe Comment
  POM153475  Mentzelia dispersa P. A. Munz 1928-6-25 14095 Placer Tahoe Camp, Lake Tahoe 2073 Comment
  SEINET11978670  Mentzelia dispersa L. S. Rose 1938-1 38269 Placer Truckee River, 3 mi NW of Tahoe City 1829 Comment
  SEINET255582  Mentzelia montana Lewis S. Rose 1941-7-12 41313 Placer Chambers Lodge, (McKinney), Lake Tahoe. 1920 Comment
  CAS-BOT-BC428874  Micranthes californica Catherine A. Toschi 1963-3-23 6379 Placer 3 miles east of Auburn. 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
  CAS-BOT-BC428876  Micranthes californica G. L. Stebbins 1970-4-4 6990 Placer Shirttail Canyon, south of North Fork, American River, along road from Colfax to Forest Hill [Foresthill]. 365 Comment
  SCFS5111  Micranthes californica F. Felix, Erica Krimmel 2013-5-19 5 Placer North Fork American River, 0.1 mile east of Heath Falls overlook, on trail Comment
  SEINET6033448  Micranthes californica S. Dean 1979-3-31 s.n. Placer El Dorado Creek near junction with North Fork of Middle Fork of American River, off Mosquito Ridge Road to French Meadows 518 Comment
  JEPS127555  Micranthes odontoloma Steve Matson 2004-8-1 1078 Placer nSNH: Tahoe Basin west shore; Blackwood Canyon, 1/2 mile SE of Barker Pass. Comment
  CAS-BOT-BC348388  Micropus californicus var. californicus G. L. Stebbins 1978-5-28 7881 Placer West side of Big Crater 1280 Comment
  SEINET3167477  Micropus californicus var. californicus R. W. Spellenberg, N. Zucker 2010-4-16 14155 Placer N. edge of Lincoln along Hwy 65 45 Comment
  CAS-BOT-BC348683  Microseris acuminata K. Curran 1884-5-1 s.n. Placer Unspecified Comment
  UCD75962  Microseris nutans Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5228 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  CAS-BOT-BC349329  Microseris nutans Alice Eastwood 1912-6-15 s.n. Placer Dear Park, Lake Tahoe Region Comment
  UC194074  Mimulus angustatus Mrs. M. E. P. Ames 1882-1-1 Placer Auburn Comment
  RSA0012160  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2011-7-9 17688 Placer Mosquito Ridge Road, 10.8 miles southeast of its junction with Foresthill Road 503 Comment
  UCR146916  Mimulus aurantiacus Beecher Crampton 1955-6-15 2893 Placer Sierra Nevada Mountains, 8.5 miles west of Iowa Hill, bottom of Shirttail Canyon 610 Comment
  JEPS4597  Mimulus aurantiacus var. grandiflorus Matt Herbrand 1916-7-2 Placer Emigrant Gap Comment
  UC445119  Mimulus aurantiacus var. grandiflorus C. F. Sonne 1891-6-17 4268 Placer near Colfax (at Cape Horn) Comment
  POM5148  Mimulus breweri H. M. Hall 1910-6-22 8704 Placer Cisco 549 Comment
  JEPS71712  Mimulus breweri Gladys L. Smith 1972-6-18 3157 b Placer below Scott Peak 2072 Comment
  RSA122638  Mimulus breweri B. Bolt 1934-7-11 97 Placer Cascade Lakes, Truckee 2043 Comment
  RSA795365  Mimulus cardinalis George K. Helmkamp, E. A. Helmkamp 2010-8-14 16775 Placer 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
  CDA19554  Mimulus guttatus M. I. Wibawa, G. F. Hrusa (16048), J. Glazner 2002-5-22 218 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
  SCFS1215  Mimulus leptaleus E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top Meadow Comment
  CDA12424  Mimulus lewisii G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8553 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  SEINET7719539  Mimulus lewisii Unknown 1888-7-16 Placer Summit Comment
  UCD75960  Mimulus moschatus Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5222 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  UCD82830  Mimulus moschatus Robin McMaster 1973-6-3 444 Placer Lake Spaulding. 1524 Comment
  POM43477  Mimulus moschatus var. longiflorus Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  UCD122789  Mimulus nanus var. jepsonii G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12057 Placer Northern Sierra Nevada Mountains. Along Forest Hill Road, 11.1 miles northeast of Foresthill. Comment
  UCD122674  Mimulus nasutus G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12954 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  JEPS124590 Image available Mimulus primuloides Laurie Hooker 1965-6-27 23 Placer Meadow at left of Highway 89 So. 3.7 miles past Montreal Road Placer County. Comment
  RSA434712  Mimulus primuloides Robert Kessler 1924-08 s.n. Placer Lake Tahoe. [County: Placer or El Dorado] Comment
  UCR209723  Mimulus primuloides var. primuloides George K. Helmkamp, E. A. Helmkamp 2009-8-12 15447 Placer Sierra Nevada Mountains, Forest Hill Road at Robinson Flat, 27 miles northeast of the city of Foresthill 2061 Comment
  UCD162557  Mimulus suksdorfii Steve Matson 1998-6-6 227 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south side of Highway 267 50 meters east of Martis Creek. 1780 Comment
  SCFS1028  Mimulus torreyi E. Krimmel 2014-7-5 Placer In steep section along Soda Springs road switchbacks. Comment
  CAS-BOT-BC432975  Mitella breweri A. A. Heller 1909-7-16 9833 Placer Summit 2133 Comment
  CAS-BOT-BC432976  Mitella breweri John Thomas Howell 1943-7-21 18644 Placer Donner Pass to Mt. Lincoln Comment
  UC858211  Mitella breweri Alice Eastwood Jun 15 1912-Jun 19 1912 389 Placer Deer Park Lake Tahoe Region Comment
  CAS-BOT-BC432974  Mitella breweri James R. Shevock 1979-6-23 6267 Placer The Sierra Nevada. Along the Yuba River adjacent to Interstate 80. Tahoe National Forest. 1828 Comment
  CHSC97702  Mollugo verticillata Lowell Ahart 2007-11-13 14598 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 miles (air) northeast of Sheridan. 73 Comment
  SEINET10911429  Mollugo verticillata Lowell Ahart 2007-11-13 Ahart 14598 Placer T14N, R6E, northeast 1/4 Section 27. Normal size plants, on dry mud, on the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 miles (air) northeast of Sheridan. Foothill Woodland (destroyed). 242 Comment
  UC1745630  Mollugo verticillata Annetta M. Carter 1945-11-4 1735 Placer 4.5 mi. NW of Roseville on road to Marysville Roseville; Sacramento Valley, Pleasant Grove Creek; Pleasant Grove Creek, 4.5 mi. NW of Roseville on road to Marysville. Sacramento Valley. Comment
  CAS-BOT-BC435044  Mollugo verticillata Catherine Best 1984-8-11 1033 Placer South Campground. Camp Far West Reservoir. 91 Comment
  RSA70488  Monardella odoratissima I. E. Diehl 1902-7-7 52 Placer Colfax. Comment
  SEINET12328852  Monardella odoratissima J. H. Nishida 1985-1 776 Placer Homewood 1829 Comment
  UC416728  Monardella odoratissima subsp. glauca Miss Helen D. Geis 1912-6 177 Placer Deer Park Comment
  CAS-BOT-BC222099  Monardella odoratissima subsp. pallida Lewis S. Rose 1941-7-16 41316 Placer Homewood, Lake Tahoe 1920 Comment
  CAS-BOT-BC222102  Monardella odoratissima subsp. pallida Lewis S. Rose 1941-7-16 41316 Placer Homewood, Lake Tahoe 1920 Comment
  CDA16039  Monardella odoratissima subsp. pallida G. F. Hrusa, J. Glazner 2000-9-3 15674 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  CHSC67833  Monardella odoratissima subsp. pallida James D. Jokerst 1986-7-13 2725 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak. Comment
  SBBG72004  Monardella odoratissima subsp. pallida M. N. Ackley -Jun-1925 460 Placer Shirttail Cyn, American River 762 Comment
  UC25510  Monardella odoratissima subsp. pallida C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  UCR242329  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2010-7-28 16666 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  SEINET10582104  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 273 Placer Tahoe National Forest, Squaw Valley. Hwy. 89, across from Silver Creek Campground. Locally abundant, large population, in the understory of Pinus contorta, P. ponderosa, Abies sp. forest. Comment
  CAS-BOT-BC220478  Monardella sheltonii H. D. Ripley; R. C. Barneby 1948-7-12 9817 Placer Applegate 609 Comment
  JEPS59506  Montia chamissoi Ezra Brainerd and Viola B. Baird 1915-7-7 260 Placer Sierra Nevada Mountains, Squaw Valley Squaw Valley; Sierra Nevada Mountains, Squaw Valley 1920 Comment
  UC147588  Montia chamissoi Miss Harriet A. Walker 1908-6-23 1359 Placer Blue Canyon 1432 Comment
  UCD149498  Montia fontana G. L. Stebbins 1978-5-28 78101 Placer Ralston Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SACT001585  Muhlenbergia filiformis D. Meyer 1984-7-15 Placer Moist mountain meadow 25 km from lodge. 1909.0 Comment
  SACT001591  Muhlenbergia filiformis D. Meyer 1984-8-4 Placer Moist shady roadside. 1358.0 Comment
  UC34018  Muhlenbergia filiformis C. F. Sonne July 1892 20 Placer dry hills Sierra Nevada Mountains, Truckee Comment
  UCD139283  Muilla maritima G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12048 Placer Northern Sierra Nevada Mountains: Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  UCD148975  Myriophyllum spicatum John D. Madsen; David F. Spencer 1996-4-2 s.n. Placer From Truckee River, adjacent to California Highway 89, approximately 150 to 300 meters downstream of the River Road Trade Center. Comment
  POM312394  Myriophyllum verticillatum S. Galen Smith, Malcolm A. Nobs 1949-8-21 1510 Placer Between Sandy Beach and Agate Bay, noryh end of Lake Tahoe. Comment
  UC191808  Nama lobbii C. F. Sonne 1885-7-12 Placer Kneelands Mill Comment
  UC767607  Nama lobbii R. F. Hoover 1938-7-30 3713 Placer betw Cisco and Emigrant Gap; betw Cisco and Emigrant Gap 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
  SEINET8731508 Image available Nama lobbii Margaret J. Williams 1984-1 84- 64 -2 Placer East side of Hwy 20 near the intersection with the Diamond Creek Road. Elev. : 5400 ft. 1646 Comment
  UC1153925  Nassella pulchra Beecher Crampton 1957-5-7 3984 Placer 6.8 mi n Roseville (valley plain); Whitney Ranch Comment
  SD247382  Nasturtium officinale George K. Helmkamp, Mary Alice Barnes 2013-3-3 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 miles east (87 degrees) of Forest Hill. 422 Comment
  JEPS127455  Navarretia breweri Steve Matson 1998-6-14 228 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, at base of highway rampart, just west of Martis Creek. Comment
  JEPS126275  Navarretia capillaris Steve Matson 1997-7-19 113 Placer nSNH: Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area, south of Highway 267 and west of parking area, next to west fork Martis Creek, next to creek. Comment
  JEPS127417  Navarretia capillaris Steve Matson 2003-7-6 828 Placer nSNH; about 6 miles SW of Truckee, Squaw Valley; Shirley Canyon trail to the PCT. Comment
  UCD36408  Navarretia crystallina Beecher Crampton 1953-7-21 1516 Placer Placer County, 1.5 miles east of Emmigrant Gap, along U.S. Highway 40. 1645 Comment
  RSA293380  Navarretia divaricata Reino Alava 1958-5-3 2008 -A Placer Along the road near the North Fork Dam of the American River; south [end] of Lake Clementine. About 3 miles northeast of Auburn Comment
  UC750582  Navarretia divaricata subsp. vividior Lewis S. Rose 1946-6-23 46201 Placer n of Cisco; Rainbow 1737 Comment
  UC1040678  Navarretia eriocephala Beecher Crampton 1953-5-14 1273 Placer 3 mi n Roseville- (U.S. Hwy 99 E) Comment
  JEPS70306  Navarretia filicaulis Katharine Brandegee Jul 1908 Placer Cape Horn Comment
  UC126072  Navarretia filicaulis Katharine Brandegee Jul 1908 Placer near Cape Horn Comment
  UC52811  Navarretia filicaulis Edward Lee Greene 1883-1 Placer Colfax Comment
  SEINET9367592  Navarretia intertexta Unknown 1999-7-17 15173 Placer Martis Valley Comment
  CHSC82655  Navarretia intertexta subsp. intertexta Lowell Ahart 2002-7-22 9895 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
  CHSC73974  Navarretia intertexta subsp. propinqua Susi Urie 1998-9-1 98 -196 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
  JEPS127514  Navarretia intertexta subsp. propinqua Steve Matson 1997-6-15 14 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  RSA35119  Navarretia intertexta subsp. propinqua L. S. Rose 1944-7-26 44289 Placer Truckee River, 7 mi. N of Lake Tahoe 1799 Comment
  SBBG58362  Navarretia leptalea A. A. Heller 1927-8-15 14445 Placer near the Yuba River, Cisco Comment
  JEPS71335  Navarretia leptalea subsp. bicolor Gladys L. Smith 1972-6-18 3157 Placer open meadow Alpine Meadows 2072 Comment
  JEPS127409  Navarretia leptalea subsp. leptalea Steve Matson 1998-6-27 318 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area south side of Highway 267. Comment
  UC726813  Navarretia leptalea subsp. leptalea A. A. Heller 1919-7-24 13292 Placer near Cisco; near Cisco 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
  SEINET14152717  Navarretia linearifolia subsp. linearifolia F. H. Hillman s. n. Placer [Sierra Nevada] Between Truckee and Lake Tahoe Comment
  UC106895  Navarretia linearifolia subsp. linearifolia C. F. Sonne Sept., 1895 Placer road to Hot Springs Lake Tahoe; Sierra Nevada Mountains, rd to Hot Springs Lake Tahoe Comment
  CAS-BOT-BC230533  Navarretia prolifera subsp. lutea Mrs. E. C. Sutliffe 1927-6-1 s.n. Placer Highway near Phillips Resort 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
  RSA0047750  Nemophila heterophylla George K. Helmkamp, Mary Alice Barnes 2013-4-18 20374 Placer Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  SDSU6142  Nemophila heterophylla D. F. Howe 1948-5-22 1855 Placer 610 Comment
  UCD120042  Nemophila heterophylla Ted Niehaus 1959-4-19 74 Placer 7 miles west of Foresthill on Shirttail Road to Colfax. Comment
  UCR235597  Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2012-5-5 18920 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
  CDA19093  Nemophila maculata D. A. Mayhew 2001-3-19 s.n. Placer Sacramento Valley; NE of wet vernal pool, Aylesbury Way, Roseville. 0 Comment
  UC24198  Nemophila maculata H. N. Bolander 1865-4-12 4551 Placer on road from Auburn to Forest Hill at Grizzly Bear House Grizzly Bear House Comment
  UCD120233  Nemophila menziesii M. Vincent 1965-4-11 608 Placer 1 mile N. of Marysville on Hwy. 99 E. Comment
  SEINET5520996  Nemophila menziesii L. Munker None 26 Placer Goldrun, US 40 West 411 Comment
  SEINET5521018  Nemophila menziesii J. Martin 1959-4-18 s.n. Placer 1/2 mile east of Bazter on US highway 40. Walk a bit into the woods north of the highway. 1829 Comment
  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
  UC606979  Nemophila pedunculata L. Constance 1938-6-6 2278 Placer 6.5 mi w Cisco (Sierra Nevada); , w of Cisco 1584 Comment
  UC177579  Nicotiana acuminata var. multiflora H. M. Hall 1914-8-2 9838 Placer near Roseville 60 Comment
  UC170084  Nicotiana attenuata Miss Helen D. Geis 1912-6 205 Placer Tahoe City Comment
  UCD124132  Oenothera elata subsp. hirsutissima Ellen Dean; Marcel Rejmanek 2012-10-9 7506 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  UCD150707  Oenothera elata subsp. hookeri James A. Neilson Jr. 1971-8-16 2401 Placer Tahoe Basin, Chamberlands. 1905 Comment
  JEPS127509  Oenothera flava Steve Matson 1998-7-12 333 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek. Comment
  UC196440  Orobanche corymbosa subsp. corymbosa C. F. Sonne 1885-8-2 Placer On Road to Lake Tahoe, road from Truckee. Comment
  JEPS72697  Orogenia fusiformis Gladys L. Smith and Betsy Smith 1972-4-19 3132 Placer Goose Meadow foot of Ward Peak; , Goose Meadow 1889 Comment
  SCFS1214  Orthocarpus cuspidatus E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top meadow. Comment
  UCR148840  Orthocarpus cuspidatus G. Fred Hrusa, J. Glazner 2001-7-15 15951 Placer Northern Sierra Nevada Mountains, Near summit of Crows Nest Peak, immediately west of Sugarbowl 2378 Comment
  JEPS86485  Orthocarpus cuspidatus subsp. cryptanthus L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6565 Placer ca 5 mi se Donner Lake (below Ada's Rock, sw slope of Tinker Knob, Sherman Chickering's Soda Springs holdings); se of Donner Lake, sw slope of Tinker Knob 2407 Comment
  POM260000  Orthocarpus lacerus C. Leo Hitchcock 1940-5-14 6387 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  POM44253  Orthocarpus lacerus Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  RSA407999  Orthocarpus pusillus Fay A. MacFadden 1934-3-31 12460 Placer Dutch Flat Comment
  UCD41250  Osmorhiza brachypoda Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1706 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 1.5 road miles northeast of intersection with Main St. 1066 Comment
  UCD74022  Osmorhiza chilensis Jennifer W. Burt; Sarah Shannon 2005-7-8 144 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from coniferous forest near abandoned ski runs. 1922 Comment
  SCFS1046  Oxyria digyna Unknown 2014-8-7 Placer Off ridge between Granite Peak and Needle Peak. Comment
  SJSU10635  Oxyria digyna R. L. Fisher 1959-8-16 Placer Anderson Peak 2670 Comment
  UC849847  Oxyria digyna A. A. Heller 1917-8-14 12922 Placer near the crest Mt. Lincoln (s of Summit valley); Mt. Lincoln s of Summit valley 2499 Comment
  JEPS37275  Packera cana C. F. Sonne 1888-7-29 373 Placer <??>ardi Peak, on Truckee River Sierra Nevada Mountains, Truckee River 2590 Comment
  JEPS60655  Paeonia brownii W. L. Jepson 1918-7-30 7728 Placer near Tahoe City; Lake Tahoe 1920 Comment
  UC854375  Paeonia brownii Alice Eastwood Jun 15 1912-Jun 19 1912 362 Placer Deer Park Lake Tahoe Region Comment
  RSA202359  Paeonia brownii Edward L Smith 1967-6-17 s.n. Placer 1 mile E of Emigrant Gap. 1616 Comment
  UCD22226  Panicum acuminatum var. acuminatum Beth Lowe Corbin 1982-8-11 321 Placer 1 3/4 miles SW of Onion Creek Campground. SE facing slope, 45% incline. Occasional. Full sun. Open rock outcrop in montane chaparral. Perennial. 1920 Comment
  UCD88208  Panicum acuminatum var. fasciculatum Beecher Crampton 1952-11-9 917 Placer 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  CHSC81854  Panicum capillare Lowell Ahart 2001-10-10 9342 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about a 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  UCD89791  Panicum capillare subsp. hillmanii Beecher Crampton 1975-9-9 9281 Placer Alta. Along Interstate Hwy. 80 W. 1188 Comment
  SACT001639  Panicum hillmanii Josephine Van Ess 1976-9-4 Placer Dry roadside 42.7 Comment
Read comments
Nov 20 2014
  SACT001668  Paspalum distichum Josephine Van Ess 1974-10-30 Placer Collected on Ferrieria Road just east of Lincoln on Highway 193. Growing in mud along drainage ditch. Comment
  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
  CHSC74275  Pedicularis attollens Susi Urie 1998-8-29 98 -168 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  SEINET3159812  Pedicularis attollens H. A. Walker 1470 Placer near Cisco Lake. Cisco Comment
  UC1293799  Pedicularis racemosa E. F. Sprague 1957-7-14 1600 Placer up slope behind Rainbow Tavern (and to e end of road, Hwy 40) 1828 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
  JEPS72227  Pedicularis semibarbata Gladys L. Smith 1972-6-19 3172 Placer Tahoe City 1901 Comment
  UCR242362  Pedicularis semibarbata George K. Helmkamp, E. A. Helmkamp 2010-7-28 16659 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 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
  CAS-BOT-BC67609  Pellaea bridgesii Alice Eastwood 1912-6-15 419 Placer Lake Tahoe Region - Deer Park Comment
  SEINET6626468  Pellaea bridgesii M. J. Williams 1970-6-23 s.n. Placer [Sierra Nevada] Near Cisco Grove 1722 Comment
  POM120782  Pellaea mucronata Marcus E. Jones 1902-6-29 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC77151  Pellaea mucronata subsp. mucronata C. D. MacNeill 1961-4-24 s.n. Placer Near Applegate 609 Comment
  SEINET9885426  Penstemon azureus David J. Keil 1978-1 12930 Placer Cisco Grove exit from I-80, just E of Nevada Co line; around South fork of Yuba River 1768 Comment
  OBI9301  Penstemon azureus Carl B. Wolf 1937-9-4 9286 Placer Sierra Nevada, Auburn-Truckett Rd S side S fork Yuba River near Cisco 1798 Comment
  POM44449  Penstemon azureus subsp. azureus H. M. Hall 1910-6-19 8702 Placer Cisco. 1800 Comment
  RSA285608  Penstemon azureus subsp. azureus D. C. Michener 1981-7-15 4008 Placer Sierra Nevada. Above Hampshire Rocks campground (near Big Bend exit of I-80). Comment
  RSA285686  Penstemon azureus subsp. azureus D. C. Michener 1981-7-16 4010 -B Placer Sierra Nevada. Summit of Donner Pass above railway line and its tunnels; east flank of summit. Comment
  UC750576  Penstemon azureus var. azureus Lewis S. Rose 1946-6-23 46172 Placer n Cisco; Rainbow, n of Cisco 1737 Comment
  UCR257734  Penstemon azureus var. azureus George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19516 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
  JEPS111238  Penstemon deustus Steve Matson 2005-6-19 1293 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. 39.2974 N, 120.1379; Elevation 5850 ft. 1783 Comment
  JEPS71732  Penstemon deustus Gladys L. Smith 1972-6-20 3227 Placer Ward Peak 2632 Comment
  LA209570  Penstemon heterodoxus Mary V. Hood; 1948-7-20 48- 26 -k* Placer Sugar Bowl, Lodge, near Nordon 2133 Comment
  CAS-BOT-BC264484  Penstemon heterodoxus var. heterodoxus John Thomas Howell 1943-7-22 18705 Placer Summit Valley Comment
  CAS-BOT-BC264485  Penstemon heterodoxus var. heterodoxus A. A. Heller 1917-8-13 12921 Placer Ridge NW of Donner Pass 2377 Comment
  CAS-BOT-BC264486  Penstemon heterodoxus var. heterodoxus A. A. Heller 1917-8-13 12921 Placer Ridge NW of Donner Pass 2377 Comment
  POM260311  Penstemon heterophyllus subsp. purdyi C. Leo Hitchcock 1940-5-14 6412 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UC690370  Penstemon heterophyllus var. purdyi David D. Keck 1932-6-30 1586 Placer 0.8 mi n Weimar P.O.; Sierra Nevada, n of Weimar P.O. 685 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
  SEINET3160463  Penstemon menziesii G. B. Grant 1906-7-20 sn Placer Tahoe Tavern, Lake Tahoe, Sierra Nevada Mts. 1890 Comment
  POM283535  Penstemon newberryi Lyman D. Benson 1933-6-26 4534 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  RSA30916  Penstemon newberryi subsp. newberryi A. A. Heller 1917-6-18 12710 Placer Along the Yuba River below Cisco. 1646 Comment
  CAS-BOT-BC239281  Penstemon newberryi var. berryi Geo. B. Grant 1906-7-15 s.n. Placer About Lake Tahoe Comment
  CAS-BOT-BC239283  Penstemon newberryi var. berryi L. S. Smith 1928-6-1 2279 Placer Tahoe National Forest. Above Big Bend R.S. 1798 Comment
  NY627374  Penstemon newberryi var. newberryi K. H. Thorne 1987-6-26 5436 Placer Truckee River Comment
  UC565930  Penstemon newberryi var. newberryi N. French 1934-5-24 369 Placer north Fork of North Fork of American River 1341 Comment
  SEINET5329230 Image available Penstemon newberryi var. newberryi K. Thorne, Jody Chandler 1987-6-26 5436 Placer Truckee River; along river Comment
  NY650157  Penstemon roezlii M. E. Jones 1882-7-1 3434 Placer Emigrant Gap Comment
  POM44791  Penstemon roezlii Marcus E. Jones 1882-7-1 3434 Placer Emigrant Gap. Comment
  SD113665  Penstemon roezlii Darley F. Howe 1971-7-2 4762 Placer Hillside by Truckee River 8 miles south of Truckee 1829 Comment
  CAS-BOT-BC239577  Penstemon rydbergii var. oreocharis L. S. Smith 1926-6-23 1977 Placer Tahoe National Forest, Squaw Valley North side meadow 1828 Comment
  SCFS2387  Penstemon rydbergii var. oreocharis L. Hooker 1956-6-27 20 Placer Ca 3.7 mi past Montreal Rd on Hwy 89 S, in mdw to left of rd. 1829 Comment
  UCD162579  Penstemon rydbergii var. oreocharis Steve Matson 2003-6-22 811 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork south of bog. 1920 Comment
  UC27447  Penstemon speciosus C. J. Fox Jr. July, 1895 Placer near Squaw Peak; near Squaw Peak 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
  JEPS60102  Pentagramma triangularis subsp. triangularis W. L. Jepson 1938-4-5 18580 Placer w mi e Auburn (on Placerville rd) Comment
  RSA0026218  Perideridia John F. Emmel 1997-7-25 1507 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
  UCR110977  Perideridia bolanderi George K. Helmkamp, E. A. Helmkamp 1999-6-30 5105 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  UCSB32267  Perideridia bolanderi Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  RSA459111  Perideridia bolanderi subsp. bolanderi Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
  CHSC74181  Perideridia lemmonii Susi Urie 1998-9-2 98 -211 Placer Below Hwy 28, between the highway and lake Forest Road; about 0.2 mi north of Lake Tahoe. [Lat./long. on label is '39 11 N; 120 7 W']. 1908 Comment
  JEPS126338  Perideridia parishii Steve Matson 1998-8-21 390 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt roas extension of Tiger Ave. along power lines at junction with west fork of Snow Creek. Comment
  CAS-BOT-BC413693  Persicaria hydropiper Catherine Best 1985-9-15 1146 Placer Sugar Pine Reservoir. About 6 miles north of Fosresthill 1158 Comment
  SBBG8972  Persicaria lapathifolia E. R. Blakley 1960-9-3 3818 Placer King's Beach, Lake Tahoe, exposed lake bottom due to low water 1903 Comment
  CAS-BOT-BC419152  Persicaria maculosa Peter H. Raven 1956-8-4 9980 Placer Blue Canyon 1432 Comment
  CAS-BOT-BC438816  Petrorhagia dubia George K. Helmkamp; Mary Alice Barnes 2013-4-18 20357 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
  UCD98384  Petrorhagia dubia M. H. Mills 1996-4-21 167 Placer at 5830 Walden Lane, Loomis. 180 Comment
  UCD82832  Phacelia Robin McMaster 1973-6-3 448 Placer 2 mi W Lake Spaulding. Comment
  JEPS73653  Phacelia egena L. R. Heckard with G. L. Stebbins 1973-6-17 3441 Placer about 7 air mi se Emigrant Gap (e face of bluff); Big Valley Bluff 1524 Comment
  CHSC67664  Phacelia hastata subsp. compacta James D. Jokerst 1986-7-13 2737 B Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak, scree on S-facing slope. Comment
  UCD120500  Phacelia hastata subsp. compacta Daryl Koutnik; Thomas Lanini, Thomas Wainwright 1978-10-19 s.n. Placer West end of Ward Valley in Lake Tahoe Basin. 1889 Comment
  UCR191132  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2007-6-12 12315 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  JEPS59364  Phacelia humilis Ezra Brainerd and Viola B. Baird 1915-7-10 113 Placer near Deer Park Inn; Sierra Nevada Mts. 1981 Comment
  UCD74138  Phacelia humilis var. humilis Jennifer W. Burt 2005-7-11 118 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1986 Comment
  CDA16032  Phacelia hydrophylloides G. F. Hrusa, J. Glazner 2000-9-3 15681 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  JEPS21168  Phacelia marcescens N. French 1934-5-24 362 Placer N. Fork of N. Fork American River Tahoe National Forest, Colfax Quadrangle 1341 Comment
  UC373197  Phacelia marcescens Marcus E. Jones, A. M. 1882-6-27 3294 Placer Emigrant Gap Comment
  POM296650  Phacelia mutabilis L. S. Rose 1941-7-11 41311 Placer Chambers Lodge (McKinney), Lake Tahoe. 1951 Comment
  RSA303014  Phacelia mutabilis L. S. Rose 1944-7-10 44049 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  SEINET5507909  Phacelia mutabilis A. A. Heller 1909-7-16 9861 Placer Summit 2134 Comment
  UC112857  Phacelia racemosa Katharine Brandegee 1908-7-15 Placer near Cisco (type locality) 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
  CDA38742  Phalaris arundinacea R. Robison 2011-8-19 Placer Tahoe City; Gatekeeper s Museum, adjacent to dam near Truckee River outflow. 0 Comment
  SACT001704  Phalaris lemmonii D. Meyer 1984-4-15 Placer Roadside appears to have been a vernal pool. Dry. 36.97 Comment
  SACT001711  Phalaris lemmonii D. Meyer 1983-5-15 Placer Field at Southeast corner. 36.6 Comment
  UC11451  Philadelphus lewisii Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD15415  Philadelphus lewisii N. L. Leman 1973-5-27 217 Placer California, Placer Co.; ca. 9.2 mi E of Foresthill, on the way to Placer Co. Big Trees Grove; Comment
  RSA0057761  Philadelphus lewisii N. H. French, A. E. Wieslander 1933-6-18 79 Placer Middle Fork, American River. 457 Comment
  SACT001734  Phleum alpinum Michael Baad 1983-8-21 Placer Collected on road between lakes from Soda Springs. 2.2 miles southwest of I80 exit to Soda Springs. 2019.0 Comment
  SACT001737  Phleum alpinum Michael Baad 1976-8-4 Placer Ascent of creek bed draining Midred Lakes. Comment
  SACT001740  Phleum alpinum James Grove 1977-7-15 Placer 2000.0 Comment
  UCD43335  Phleum alpinum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 703 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCSC000002  Phleum alpinum Harriet A. Walker 2008-7-27 1479 Placer Cisco Comment
  CHSC74170  Phleum pratense Susi Urie 1998-8-25 98 096 A Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  SACT001750  Phleum pratense D. Meyer 1983-8-7 Placer Boketrail behind Tahoe City shopping mall, near lake shore. 1891.0 Comment
  SACT001752  Phleum pratense D. Meyer 1983-6-25 Placer 1418.0 Comment
  UCR170813  Phleum pratense George K. Helmkamp, E. A. Helmkamp 2005-9-30 9944 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UC23925  Phlox diffusa C. J. Fox Jr. Jul 1895 Placer near Squaw Peak Comment
  JEPS15393  Phoenicaulis cheiranthoides C. F. Sonne 1887-6 20 Placer Truckee River; Sierra Nevada Mountains, Truckee River Comment
  UCD116104  Phoenicaulis cheiranthoides Tamara Kan 1992-7-30 s.n. Placer East slope of Silver Peak. 2377 Comment
  UCD101968  Phoradendron juniperinum Rolf Y. Berg 1965-1-10 8373 Placer Emigrant Gap Area: Hwy. 20, 2 miles W of junction with Hwy. 40. Comment
  UC1078887  Phoradendron juniperinum Job Kuijt 1957-8-9 1408 Placer near Immigrant Gap (1. mi. e. of Nevada-Placer Co. line) Comment
  SEINET10327162  Phoradendron serotinum subsp. macrophyllum J. Prida 1972-10-8 s.n. Placer 5 miles S of Auburn, roadside. 518 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
  HSC1505  Pinus jeffreyi R. A. Magie 1964-3-27 17 Placer 10 mi. E of Grass Valley along Hwy. 20 Comment
  NY61590  Pinus jeffreyi N. H. Holmgren 1969-7-25 3754 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
  UC1819259  Pinus ponderosa Glen E. Sindel 1955-9-25 s. n. Placer Forest Hill, northern edge of flat ridge top, ca. 50 ft W of northern edge of Forest Hill Ranger Station, Tahoe National Forest; IFG plot 68 975 Comment
  UC400273  Pinus ponderosa H. M. Hall 1916-6-18 10215 Placer 200 yds ne highest point <on hill>; Colfax Hill 853 Comment
  UCD13360  Pinus ponderosa Anne Marie Weyandt 1989-5-20 13 Placer Placer Co., near road cut. T 12N, R 12E, Sect. 21, SW 1/4. Elev. 3000 ft. 914 Comment
  SEINET5334740  Pinus ponderosa var. ponderosa W. D. Billings 1943-1-17 1587 Placer 3 mi. NE of Tahoe City, north side of Lake Tahoe Comment
  NY42681  Pinus sabiniana J. B. Walker 1994-8-19 932 Placer 1km S of Weimar, at offramp of I-80 320 Comment
  RSA0008981  Pinus sabiniana Marcus E. Jones 1882-7-3 s.n. Placer Colfax Comment
  UCD34186  Pistacia atlantica Beecher Crampton 1977-9-30 9532 Placer Placer County, Applegate. Comment
  JEPS113117  Plagiobothrys fulvus Lowell Ahart, Brian Williams 2007-4-13 13636 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UCD120824  Plagiobothrys fulvus var. campestris M. H. Mills 1996-4-12 134 Placer Corner of Eden Oaks Circle and Walden Lane, Loomis. 180 Comment
  UC78006  Plagiobothrys hispidus C. F. Sonne 1888-7-21 Placer w slope Washoe Mts. Washoe Mts.; w slope Washoe Mts. 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
  SEINET2441549  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14583 Placer Sierra Nevada Mountains Foothills: Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake (Greenwood 7.5' Q.). 732 Comment
  UCD41256  Plagiobothrys nothofulvus Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1713 Placer East of Hwy 80 and town of Colfax, west side of the North Fork of the American River canyon. Along Iowa Hil Road, about 2.3 road miles east of junction with Canyon Way in town of Colfax. By sign that says Mineral Bar Area. 457 Comment
  RSA0054888  Plagiobothrys nothofulvus Keith E. Hoffmaster 1941-3-22 1012 Placer A few miles south of Pilot Hill. Comment
  UC660019  Plagiobothrys stipitatus var. micranthus Lincoln Constance 1941-5-28 2822 Placer 2 mi n Lincoln; Sacramento Valley 60 Comment
  CAS-BOT-BC257797  Plantago coronopus George K. Helmkamp; E. A. Helmkamp 2012-3-31 18650 Placer Sacramento Valley: along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  RSA0067559  Plantago coronopus George K. Helmkamp, E. A. Helmkamp 2012-3-31 18650 Placer along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  SBBG122791  Plantago erecta B. Ertter, D. Thompson 1989-4-8 8157 Placer Iowa Crk Rd ca 2 mi from Interstate 80 at crk crossing near entrance to Auburn State Recreation Area 518 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
  CDA39017  Plantago lanceolata D. G. Kelch 2011-10-2 11 .81 Placer Gold Run rest stop. Comment
  UCR249536  Plantago lanceolata George K. Helmkamp, Amy Barnes 2013-3-28 20295 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  UCR258216  Plantago major George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20055 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  SEINET9164073  Plantago major L. R. Miller 1934-7-8 s.n. Placer Cisco. 1707 Comment
  UCD43975  Platanthera dilatata var. leucostachys C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1341 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SJSU9113  Platanthera dilatata var. leucostachys N. D. Addy 1962-7-8 174 Placer Hwy 89, 1.5 mi N of Fallen Leaf Lake 1920 Comment
  UC1134745  Platanthera leucostachys N. French 1934-7-7 497 Placer Texas Hill Colfax Quad., , Tahoe National Forest Comment
  JEPS5277  Plectritis ciliosa subsp. ciliosa R. E. Arp 1932-4-18 10 Placer Roseville 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
  CAS-BOT-BC244374  Poa annua Saichi Kawahara 1969-7-6 1420 Placer W of old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  SACT001779  Poa annua D. Meyer 1983-5-15 Placer In field at southeast corner 36.6 Comment
  UCD22229  Poa bolanderi Beth Lowe Corbin 1982-8-17 365 Placer 2 miles SW of The Cedars. N facing slope, 20% incline. Occasional. Mostly sun. Forming small tufts in fine, sandy, disturbed soil in logged white fir forest. Foliage glaucous. 1859 Comment
  UCD75951  Poa bolanderi Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5192 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
  UCD90547  Poa bolanderi A. A. Heller 1917-6-17 12701 Placer Along the Yuba River. Below Cisco. 1676 Comment
  UCD90567  Poa bolanderi R. Tofsrud 1951-7-1 s.n. Placer Hwy. 40 (above Nayak) near Campton's store. Comment
  SACT001801  Poa bolanderi Michael Baad 1983-6-23 Placer 0.2 km west of 89 1828.0 Comment
  UCD90629  Poa bulbosa Beecher Crampton 1967-7-26 8159 Placer 1.5 miles W of Weimar, near Heather Glen, Interstate Hwy. 80 W. 579 Comment
  UCR208558  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2009-5-11 14658 Placer Sierra Nevada Mountains Foothills, junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill 1338 Comment
  SACT001814  Poa bulbosa Josephine Van Ess 1978-3-23 Placer 378.0 Comment
  SACT001826  Poa canbyi Michael Baad 1983-8-27 Placer 2072.64 Comment
  SACT001831  Poa compressa D. Meyer 1983-7-16 Placer 1624.0 Comment
  UCD90841  Poa compressa Beecher Crampton 1955-6-15 2864 Placer 3 miles east of Weimar. Comment
  UCD90843  Poa compressa Beecher Crampton 1955-7-13 3014 Placer Bear Valley, along State Hwy. 20, 1.5 miles north of Emigrant Gap. Placer-Nevada County border. 1371 Comment
  UCR146918  Poa compressa Beecher Crampton 1964-7-9 7111 Placer Sierra Nevada Mountains, Emigrant Gap, Hwy 40 1616 Comment
  UCD22228  Poa fendleriana subsp. longiligula Beth Lowe Corbin 1982-8-18 370 Placer 5/6 mile SW of The Cedars. Common. Full sun. In rocky, sandy, granitic soil of montane chaparral. Perennial forming moderately small bunches. Culms purplish. 1844 Comment
  SACT001874  Poa nervosa Michael Baad 1983-8-11 Placer Collected on trail from Whiskey Creek to Mildred Ridge 2133.0 Comment
  SACT001877  Poa nervosa Michael Baad 1976-7-17 Placer 3.2 km west of Alpine Meadows Ski Area, opening in red fir and lodgepole pine forest. 2133.0 Comment
  CDA13681  Poa palustris G. F. Hrusa, J. Glazner 1997-8-3 14041 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Uncommon rhizomatous plant to 1 m. tall in lower, wetter part of meadow. Comment
  CHSC72899  Poa palustris L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5768 Placer LLake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CHSC74173  Poa palustris Susi Urie 1998-8-25 98 -097 Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  RSA115550  Poa palustris Beecher Crampton 1956-7-17 3727 Placer railroad embarkment under Alnus, 3/4 mile west Blue Canyon 1433 Comment
  CAS-BOT-BC247374  Poa pratensis Saichi Kawahara 1969-7-6 1418 Placer West of old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  CAS-BOT-BC247375  Poa pratensis Saichi Kawahara 1969-7-6 1416 Placer West of old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  CAS-BOT-BC247376  Poa pratensis A. A. Beetle 1941-5-26 2717 Placer Near Cisco 914 Comment
  SACT001917  Poa pratensis D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City shopping center near lake shore. 1891.0 Comment
  SACT001931  Poa pratensis D. Meyer 1983-10-22 Placer Searchlight ski run, from base up to Olympic Lady charilift 2121.0 Comment
  SACT001945  Poa pratensis D. Meyer 1984-5-27 Placer Off Hwy 267 moist meadow surrounded by sagebrush. Comment
  CHSC74346  Poa pratensis subsp. pratensis Susi Urie 1998-9-2 98 222 A Placer Lake Tahoe Basin-National Forest. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UC1132706  Poa pratensis subsp. pratensis H. S. Yates 1934-6-29 3884 Placer near Brockway; Tahoe Nat'l Forest, Truckee Quadrangle Comment
  SEINET10954309  Poa sandbergii A. Arthur Heller 1917-8-13 Heller 12917 Placer Ridge Northwest of Donner Pass on a steep gravelly slope below a ledge of igneous rock, the neighhboring forest composed of Ables magnifica. 2377 Comment
  SACT001955  Poa scabrella Josephine Van Ess 1980-4-23 Placer Collected along horsetrail north from Rattlesnake Bar. Steep rocky, north-facing cliff. 152.4 Comment
  SACT001968  Poa scabrella Michael Baad 1977-6-1 Placer Bea croft Trail to the North Fork of the American River, Douglas Fir Forest and Huckleberry Oak at openings, north-facing slope. Comment
  SACT001974  Poa scabrella Michael Baad 1983-5-5 Placer 3 miles southeast of Canyon Way Road descending to North Fork of the American River. 548.64 Comment
  SACT002012  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  UC711004  Poa secunda subsp. secunda C. L. Hitchcock 1940-5-7 6341 Placer ca 1 mi w Baxter Comment
  UCD91889  Poa secunda subsp. secunda F. M. Reed; R. L. Pendleton 1907-7-23 1527 Placer Lake Tahoe Region Creek S of Camp Glen Alpine Springs. 2103 Comment
Read comments
Jun 21 2012
  UCD52746  Podagrostis humilis B. Crampton 1955-7-13 2988 Placer along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  CDA36886  Pogogyne serpylloides CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CHSC96500  Pogogyne zizyphoroides Lowell Ahart; Brian Williams 2007-4-13 13650 Placer On damp granite soil, on the bottom 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
  CHSC72882  Polemonium occidentale L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5765 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  SEINET4335519 Image available Polemonium pulcherrimum Betty J. Jorgensen 1944-7-12 516 Placer Soda Springs Comment
  CAS-BOT-BC167538  Polygala cornuta var. cornuta L. S. Smith 1925-8-13 1705 Placer Tahoe National Forest. Gold Dollar Mine Trail to Pine Nut 1828 Comment
  CAS-BOT-BC170303  Polygala cornuta var. cornuta Marcus E. Jones 1882-7-3 3316 Placer Colfax Comment
  UC868237  Polygala cornuta var. cornuta Isabel McCracken 1938-7-2 Placer Dutch Flat Comment
  UCR231875  Polygonum aviculare George K. Helmkamp, E. A. Helmkamp 2010-10-16 17020 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  UCD44666  Polygonum bistortoides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2032 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS111302  Polygonum davisiae Steve Matson 2005-7-30 1419 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
  JEPS72808  Polygonum davisiae Gladys L. Smith 1972-6-20 3233 Placer exposed ridge from chairlift terminus to ultimate summit peak; Ward Peak 2632 Comment
  UC6687  Polygonum davisiae C. F. Sonne 1886-7-18 Placer Truckee River; mt. on Comment
  JEPS103426  Polygonum douglasii subsp. douglasii Lowell Ahart 2002-7-22 9897 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  RSA104567  Polygonum kelloggii Marcus E. Jones 1882-7-11 s.n. Placer Emigrant Gap Comment
Read comments
Sep 7 2010
  CAS-BOT-BC418582  Polygonum minimum Alice Eastwood 1909-1-1 236 Placer Lake Tahoe Region. Squaw Creek Comment
  UC849102  Polygonum phytolaccifolium A. A. Heller 1917-8-14 12934 Placer s Summit Valley; Mt. Lincoln 2438 Comment
  UC702888  Polygonum polygaloides subsp. kelloggii Lewis S. Rose 1941-7-18 41324 Placer Chambers Lodge (McKinney) Lake Tahoe 1920 Comment
  RSA689952  Polypodium californicum Elizabeth Flint 1930-1 100 Placer Near Penryn 213 Comment
  SACT001573  Polypogon australis D. Meyer 1983-7-16 Placer 1212.0 Comment
  SACT002028  Polypogon maritimus D. Meyer 1984-6-23 Placer Intersection of Iowa Hill Road and the American River, rocky riverbank. 978.0 Comment
  POM115763  Polypogon monspeliensis Marcus E. Jones 1882-7-3 s.n. Placer Alta Comment
  SACT002035  Polypogon monspeliensis Josephine Van Ess 1976-5-12 Placer Collected at curve near south end of Bankhead Road. Dried up ditch. 103.0 Comment
  CAS-BOT-BC72114  Polystichum G. L. Stebbins 1969-7-19 6942 Placer Monumental Ridge, 3.6 miles east-southeast of Emigrant Gap 2042 Comment
  CAS-BOT-BC102699  Populus tremuloides C. B. Wolf 1931-9-10 2420 Placer near R.R. between Tahoe Tavern and head of Truckee River (gates) 1920 Comment
  CAS-BOT-BC105577  Populus trichocarpa C. B. Wolf 1931-9-10 1295 Placer Shore of Lake Tahoe, Just N.W. of Chambers Lodge 1920 Comment
  SCFS11529130  Populus trichocarpa E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Comment
  UCD22300  Populus trichocarpa Beth Lowe Corbin 1982-8-25 417 Placer Onion Creek campground. In fine, sandy soil along stream edge. Tree 40' high. Old bark grey, furrowed. Full sun. South facing slope, 15% incline. Common. 1841 Comment
  UCD22302  Populus trichocarpa Rex Palmer 1979-7-9 N 438 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS111256  Porterella carnosula Steve Matson 2005-6-19 1291 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. Just west of Parking Area. 1778 Comment
  POM296462  Potamogeton epihydrus Lyman Benson 1932-7-31 4020 Placer Tahoe Tavern, Sierra Nevada mtn range, Lake Tahoe watershed. 1890 Comment
  CAS-BOT-BC452173  Potamogeton gramineus W. R. Dudley 1900-6-29 s.n. Placer By outlet of Lake Tahoe Comment
  JEPS44441  Potentilla flabellifolia C. F. Sonne 1888-7-29 78 Placer head of Bear Creek on Truckee River Sierra Nevada Mountains, Truckee River, head of Bear Creek Comment
  UCD113831  Potentilla gracilis Frederica Bowcutt 1994-7-22 1950 Placer Sierra Nevada Mtns, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. 2438 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
  UCD44603  Potentilla gracilis var. fastigiata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1969 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC540397  Potentilla gracilis var. fastigiata Ira L. Wiggins 1933-8-21 6782 Placer Shores of Lake Tahoe, near Tahoma Comment
  CAS-BOT-BC64621  Primula suffrutescens C. F. Sonne 1897-8-14 s.n. Placer E. slope of Mt. Anderson. Comment
  CDA12395  Primula suffrutescens G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8523 A Placer Lake Tahoe; W end of Ward Valley, 4 miles SW of Tahoe City. Comment
  JEPS126283  Primula suffrutescens Steve Matson 2004-7-31 1073 Placer nSNH; Tahoe Basin; west shore, Blackwood Canyon; about 1.4 miles ESE of Barker Pass. Comment
  SBBG14319  Prunus emarginata N. F. Sommer 1954-5-19 88 Placer edge of runway of emergency landing field near Blue Cyn, US Hwy 40, 8 mi W of Emigrant Gap 1828 Comment
  UC380841  Prunus emarginata Marcus E. Jones, A. M. 1882-5-28 2693 Placer Emigrant Gap Comment
  UC1585836  Pseudobahia heermannii Barbara Ertter with David Thompson 1989-4-9 8195 Placer halfway down road to Lake Clementine (= North Fork Lake); Auburn Comment
  UC50080  Pseudobahia heermannii H. N. Bolander 1865-4-10 4518 Placer hillside near Auburn Comment
  UCD41459  Pseudobahia heermannii Ellen Dean; Davis Botanical Society 2003-5-17 1757 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 1.5 road miles northeast of intersection with Main Street. 1066 Comment
  OBI49846  Pseudobahia heermannii Barbara Ertter, David Thompsom 1989-4-9 8195 Placer Halfway down rd to Lake Clementine (=North Fork Lake) NE of Auburn; T13N R9e sec 31 305 Comment
  UCR240954  Pseudognaphalium canescens subsp. beneolens George K. Helmkamp, E. A. Helmkamp 2012-9-25 19906 Placer Northern Sierra Nevada Mountains, Blue Canyon Road, 1.1 miles south of its intersection with I-80, c. 1/2 mi. south of Blue Canyon-Nyack Airport 1473 Comment
  CAS-BOT-BC357340  Pseudognaphalium microcephalum W. R. Dudley 1909-8-16 s.n. Placer Monte Vista Comment
  CHSC81755  Pseudognaphalium thermale Lowell Ahart 2001-10-10 9338 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  UCR208594  Pseudotsuga menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2009-5-11 14659 Placer Sierra Nevada Mountains Foothills, junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill 1338 Comment
  SEINET5334801  Pseudotsuga menziesii var. menziesii W. D. Billings 1940-5-18 1316 Placer Gold Run Comment
  SEINET5334823  Pseudotsuga menziesii var. menziesii W. Priest 1956-4-16 s.n. Placer On U.S. Hwy. 40 about 1 mile west of Baxter. 1067 Comment
  UCR198415  Psilocarphus brevissimus var. brevissimus George K. Helmkamp, E. A. Helmkamp 2008-4-17 13289 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 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
  SEINET4691672  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2010-1 16800 Placer Northern Sierra Nevada Mountains: American Hill Road, 1.2 miles south of its junction with Foresthill Road. 1567 Comment
  UCD23229  Pteridium aquilinum var. pubescens Beth Lowe Corbin 1982-8-3 194 Placer Hill west of Onion Creek campground. 1853 Comment
  RSA467856  Pterospora andromedea Wm. Martin 1971-9-10 20264 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  UC474260  Pterospora andromedea G. W. Fetters 1929-8-2 Placer Pomins, Lake Tahoe 1950 Comment
  UCD83592  Pterospora andromedea Albert Grigarick 2009-8-7 161 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 2021 Comment
  SEINET7236803  Pterospora andromedea K. Thorne, J. Chandler 1987-6-26 5414 Placer CA Hwy 27, 3.2 miles S of Brockway Summit. Comment
  CDA34331  Pueraria montana W. J. Ferlatte, D. Mitani, M. Keffer 1977-9-22 1901 Placer private property, 2 miles NW of Weimar off Placer Hills Rd. 609 Comment
  UC1128534  Purshia tridentata var. tridentata H. S. Yates 1934-6-29 3897 Placer Carnelian Bay; Tahoe National Forest, Truckee Quad. 1920 Comment
  CDA16038  Pyrola picta G. F. Hrusa, J. Glazner 2000-9-3 15675 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  SBBG59894  Pyrola picta M. N. Ackley -Jun-1925 319 Placer Baxter 1127 Comment
  CAS-BOT-BC466090  Pyrola picta Margaret Williams 1974-8-8 74 -P1-21 Placer Sierra Nevada. Murphy's Meadow, 5 miles SE of Hirschdale 2316 Comment
  CAS-BOT-BC45768  Quercus Saichi Kawahara 1969-5-24 838 Placer slope overlooking north fork of the American River. Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  UCD47044  Quercus X morehus R. R. Miller 1959-5-1 s.n. Placer North side of highway, just off shoulder, ca. 1/4 mile east of the Monte Vista cutoff on U.S. Highway 40, ca. 6 miles east of Auburn, Placer County, California. Comment
  CDA20384  Quercus berberidifolia P. Akers 2002-4-14 s.n. Placer Northern California; Ponderosa Way, S of Weimar. 0 Comment
  UC1135496  Quercus berberidifolia N. French 1933-8-15 92 Placer North Fork American River, above Sheridan's Placerville National Forest, Placerville Quad. 548 Comment
  SEINET13953300 Image available Quercus californica A. Eastwood 1994-1 Placer Newcastle Comment
  SACT002610  Quercus chrysolepis Josephine Van Ess 1977-11-4 Placer Below Gautier Bridge 365.8 Comment
  SACT002612  Quercus chrysolepis Michael Baad 1976-8-4 Placer Northeast of Mildred Ridge 1975.0 Comment
  UCD22469  Quercus chrysolepis Beth Lowe Corbin 1982-8-11 318 Placer 1 2/3 miles SW of Onion Creek campground. 1905 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
  SEINET9005676  Quercus chrysolepis W. D. Billings 1940-5-31 1276 Placer 5 miles east of Colfax Comment
  UC463078  Quercus chrysolepis R. R. Rogers 1931-1-1 Placer near Iowa Hill; Wisconsin Hill Comment
  CAS-BOT-BC86612  Quercus douglasii Alice Eastwood 1894-9-1 s.n. Placer Newcastle Comment
  SACT002120  Quercus douglasii Michael Baad 1977-4-13 Placer 0.2 miles north of Interstate 80; ecotone between pine forest and chaparral 502.92 Comment
  UCD40289  Quercus dumosa Rodney Gale Myatt 1972-6-1 1686 Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 Comment
  CAS-BOT-BC79594  Quercus durata G. L. Stebbins; R. Bacigalupi; F. Ehrendorfer; Juan Hector Hunziker; H. Stutz; Daniel Zohary 1952-7-20 5130 Placer 9 miles NE of Forest Hill on road to Iowa Hill 1127 Comment
  SACT002635  Quercus durata Michael Baad 1977-6-21 Placer 1.5 miles south of junction of road to Big Reservoir and Iowa Hill to Forest Hill Road 1158.0 Comment
  UCD15651  Quercus durata Rachelle Raymond 1989-5-20 801 Placer Forest Hill Road. 701 Comment
  UCD40933  Quercus durata Sook Hong 1989-5-20 1 Placer Dry slope at the base of the waterfall along the road. 701 Comment
  UCD45926  Quercus durata var. durata G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrandorfer, J. Hunziker, 1952-7-20 5130 Placer 9 miles northeast of Forest Hill on road to Iowa Hill. 1127 Comment
  CAS-BOT-BC105304  Quercus kelloggii M. S. Jussel 1930-7-1 s.n. Placer Camp Baxter, North Fork of the Stanislaus River 1676 Comment
  CAS-BOT-BC105305  Quercus kelloggii Marcus E. Jones 1982-6-30 2871 Placer Emigrant Gap Comment
  OBI49059  Quercus kelloggii Unknown 1882-6-30 2871 Placer Emigrant Gap Comment
  SACT002143  Quercus kelloggii Josephine Van Ess 1976-9-15 Placer collected about 0.5 miles below dam, ravine bank 48.8 Comment
  CAS-BOT-BC62886  Quercus lobata A. Eastwood 1894-9-9 s.n. Placer Newcastle Comment
  CAS-BOT-BC104588  Quercus vacciniifolia Mary P. Wells 1980-9-11 s.n. Placer Sierra Nevada. West of Pioneer Way in forest. Tahoe City 1981 Comment
  SBBG58963  Quercus vacciniifolia A. Lefebure 1941-8-18 633 Placer Brockway, Lake Tahoe 1981 Comment
  SD6105  Quercus vacciniifolia Unknown 1914-6-1 Placer Cisco Comment
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Jul 11 2010
  UC1135812  Quercus vacciniifolia R. W. Lundh 1933-4-26 232 Placer 3 mi s Signal Peak; Tahoe National Forest, Colfax Quad. 1828 Comment
  UCD21490  Quercus vacciniifolia Beth Lowe Corbin 1982-8-4 206 Placer Located on hill west of Onion Creek Campground. 1853 Comment
  SACT002715  Quercus vacciniifolia Michael Baad 1983-7-10 Placer 0.8 mile by road southeast of east fork of north fork of north fork of American River on road to Hellister Point from Emigrant Gap. Comment
  SEINET10437466  Quercus vacciniifolia L. R. Miller 1933-8-27 1402 Placer Near Long's Lake. Comment
  CAS-BOT-BC104989  Quercus wislizeni Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  CAS-BOT-BC104990  Quercus wislizeni Gordon H. True 1971-4-21 6529 Placer Auburn Ravine just W of Lincoln 49 Comment
  UC119116  Quercus wislizeni A. Eastwood 1894-9-10 Placer Newcastle Comment
  SACT002732  Quercus wislizeni J. Clark 1937-4-18 Placer Comment
  UCR188847  Quercus wislizeni var. wislizeni George K. Helmkamp, E. A. Helmkamp 2007-3-25 11710 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  UC1070101  Raillardella argentea B. Bolt 1934-8-23 202 Placer divide between Picayune and Gray-horse; Tahoe National Forest, Truckee Quad. 2438 Comment
  SEINET5501119 Image available Raillardella argentea Sally Walker 1982-8-4 Placer Above ski area, Tahoe. Comment
  CAS-BOT-BC379469  Ranunculus alismifolius Peter Rubtzoff; Edward W. Colson 1976-7-7 8730 -A Placer Lake Van Norden, moist meadow on east side of lake 2063 Comment
  UC827590  Ranunculus alismifolius var. alismellus A. A. Heller 1917-6-17 12712 Placer below Cisco; Yuba River 1676 Comment
  UC634986  Ranunculus alismifolius var. alismifolius H. L. Mason 1933-5-28 7238 Placer Lower Truckee River Comment
  UCD162513  Ranunculus alismifolius var. hartwegii Steve Matson 1998-5-17 207 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek. 1780 Comment
  CAS-BOT-BC379379  Ranunculus alismifolius var. hartwegii W. R. Dudley 1893-6-7 s.n. Placer near Donner Lake Comment
  CAS-BOT-BC379380  Ranunculus alismifolius var. hartwegii L. S. Smith 1926-4-24 1786 Placer Tahoe Forest, Truckee R.S. 1829 Comment
  CAS-BOT-BC379431  Ranunculus alismifolius var. hartwegii Gordon H. True 1974-6-20 7749 Placer lower slopes and flats at east end of Castle Peak ridge, ca. 0.5 mi north of Summit Lake 2377 Comment
  CAS-BOT-BC379433  Ranunculus alismifolius var. hartwegii Margaret Williams 1972-4-23 s.n. Placer 1.8 mi west of Boca Dam on road to Hobart Mills 1768 Comment
  SEINET5338276  Ranunculus alismifolius var. hartwegii P. A. Lehenbauer 1926-4-25 1324 Placer Squaw Creek Comment
  SEINET4560740  Ranunculus bonariensis var. trisepalus George K. Helmkamp, E. A. Helmkamp 2011-1 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
  RSA0042967  Ranunculus californicus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20352 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  POM312418  Ranunculus flammula var. ovalis Malcolm A. Nobs, S. Galen Smith 1949-8-21 1511 Placer Marsh between sandy beach and Agate Bay, north end of Lake Tahoe. Comment
  UCR197991  Ranunculus muricatus Beecher Crampton 1953-4-21 1117 Placer Sacramento Valley, Sunnybrook Farms, 2 mi north of Lincoln 41 Comment
  CDA15944  Ranunculus occidentalis G. F. Hrusa, J. Glazner 1999-7-17 15152 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SD239889  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18934 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road (Georgetown 7.5'Q) 779 Comment
  SEINET192016  Ranunculus occidentalis C. L. Hitchcock 1940-5-7 6312 Placer Ca 1 mi W of Baxter Comment
  SEINET3840850  Ranunculus occidentalis M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 224 Placer Hughes Mill, Along Finning Mill road, approximately three miles north of Forest Hill road, approximately three miles East of Forest Hill 1060 Comment
  SEINET5338812  Ranunculus occidentalis H. E. Hodge 1956-3-18 2 Placer Collected northwest of Colfax, off of US Hwy. 40, Approximately 6 miles. 617 Comment
  SEINET3161326  Ranunculus occidentalis var. eisenii L. S. Rose 1940-6-2 40465 Placer Truckee River, 10 mi. n. of Tahoe City 1829 Comment
  JEPS127531  Ranunculus occidentalis var. ultramontanus Steve Matson 1998-6-14 237 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; dirt road extension of Tiger Ave., under power lines. Comment
  UC827932  Ranunculus orthorhynchus var. orthorhynchus A. A. Heller 1917-6-19 12739 Placer Emigrant Gap 1615 Comment
  UCD44651  Ranunculus orthorhynchus var. orthorhynchus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2017 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD22188  Ranunculus uncinatus Rex Palmer 1979-7-9 N 439 Placer Headwaters Basin Area of the North Fork of the American River. Comment
  UCD43352  Ranunculus uncinatus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 720 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD41223  Raphanus sativus Delilah Wood 1976-5-15 8 Placer 0.8 mile south of Rocklin Road. Comment
  POM246490  Rhamnus alnifolia Carl B. Wolf 1937-9-4 9287 Placer Sierra Nevada, NW of Lake Tahoe, 1 mile below Deer Park. 1982 Comment
  UCR218447  Rhamnus californica subsp. tomentella George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16422 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road, 3.2 miles southeast of its junction with Canyon Way, 4.4 air mi. SE (156 deg. ) of Colfax 412 Comment
  RSA1864  Rhamnus rubra subsp. obtusissima Carl B. Wolf 1930-10-11 1732 Placer Baxters Camp, 17 miles above Colfax. 1159 Comment
  CDA15825  Rhamnus rubra subsp. rubra G. F. Hrusa, L. Serafini 1993-6-29 11261 Placer Duncan Creek approx. 5 meters upstream from Mosquito Ridge Rd. bridge crossing, & 1 mile N of French Meadows Reservoir. Comment
  CDA20996  Rhamnus tomentella subsp. tomentella G. F. Hrusa 1993-11-3 11466 Placer Sierra Nevada; Mosquito Ridge Rd. approx. 12 miles E of Foresthill. 1066 Comment
  UC870786  Rhamnus tomentella subsp. tomentella Marcus E. Jones, A. M. 1882-7-4 Placer Colfax Comment
  CAS-BOT-BC109795  Rhodiola integrifolia subsp. integrifolia John H. Thomas; Hazelle A. Thomas 1956-7-21 6117 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  UC372853  Rhododendron occidentale Marcus E. Jones, A. M. 1882-6-25 Placer Emigrant Gap Comment
  UCD117938  Rhododendron occidentale A. A. Heller 1917-6-19 12743 Placer 8 miles east of Colfax. Comment
  UCD43341  Ribes C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 709 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC108697  Ribes cereum Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region. Comment
  UCD22350  Ribes cereum var. inebrians Rex Palmer 1979-6-20 N 320 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC169091  Ribes inerme var. inerme Alice Eastwood 1912-6-15 428 Placer Deer Park, Lake Tahoe Basin Comment
  UCD22356  Ribes lasianthum Rex Palmer 1979-6-21 N 360 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS86495  Ribes montigenum L. R. Heckard with J. Hickman and Alice Howard 1986-7-27 6578 Placer ca. 5 mi se Donner Lake (near Frog Lake, in cirque below 7889 ft. rise, ca. 1.5 mi se of Chickering houses at Soda Springs (old resort)); Sherman Chickering's Soda Springs holdings 2286 Comment
  SCFS11529120  Ribes nevadense E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  UCD41252  Ribes nevadense Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1708 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
  UCD74136  Ribes nevadense Jennifer W. Burt 2005-7-16 69 Placer abandoned ski area above Rainbow Lodge, off Hwy 50 East of Cisco - collected from center of an abandoned ski run. 1845 Comment
  RSA0022890  Ribes nevadense Beecher Crampton 1955-7-13 3009 Placer Blue Canyon. 1433 Comment
  RSA0023969  Ribes nevadense Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  RSA0018264  Ribes roezlii Alice Eastwood 1922-4-6 11119 Placer 3 miles above Colfax near the road. Comment
  RSA0018267  Ribes roezlii N. H. French 1934-6-22 473 Placer 1/2 mile W of Lake Van Norden. 2134 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
  SEINET5339778  Ribes roezlii L. Miller 1932-6-26 s.n. Placer near Tahoe City Comment
  UCD22352  Ribes viscosissimum Rex Palmer 1979-6-9 N 150 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  CAS-BOT-BC74618  Rorippa curvisiliqua A. A. Heller 1917-6-19 12738 Placer Emigrant Gap. 1615 Comment
  UCD150488  Rorippa curvisiliqua James A. Neilson Jr. 1971-8-17 2402 Placer Tahoe Basin, Homewood parking lot. 1901 Comment
  CAS-BOT-BC74623  Rorippa curvisiliqua Wm. Vortriede 1928-1-1 s.n. Placer Lake Tahoe. Comment
  JEPS102729  Rorippa curvisiliqua var. orientalis Lowell Ahart 2001-10-10 9365 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
  UC1191429  Rorippa subumbellata Malcolm A. Nobs, S. Galen Smith 1949-8-21 1512 Placer n end Lake Tahoe (between sandy beach and Agate Bay); n end Lake Tahoe, between sandy beach and Agate Bay Comment
  CAS-BOT-BC147020  Rosa woodsii subsp. ultramontana C. F. Sonne 1885-7-17 86 Placer Along Truckee River Comment
  UCD99903  Rubus armeniacus Lindsay Clark 2008-6-10 FHD 2 Placer Next to American River at Driver's Flat Staging Area, 14.5 miles northeast of Auburn. 209 Comment
  CAS-BOT-BC147967  Rubus parviflorus Alice Eastwood 1909-1-1 195 Placer Sunnyside Comment
  JEPS127445  Rubus parviflorus Steve Matson 1998-7-27 339 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; middle fork Snow Creek Comment
  UC14186  Rubus parviflorus W. A. Setchell, C. C. Dobie Jul 6 1901-Jul 21 1901 Placer Cascade Mts. vicinity of Lake Tahoe, Cascade Mts. 1897 Comment
  UCD17694  Rubus ursinus H. Olmo; T. S. Mallah 1953-3-24 53 21 B Placer California. Placer County: Placer Road in Auburn. Follow to bottom near new highway cut. Off Grass Valley Highway. Comment
  UCD14635  Rumex acetosella Deanna Lynn Pfleger 1989-5-20 16 Placer Placer Co.; 30 miles from Auburn along Mosquito Ridge Road; 498 Comment
  UCR240968  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2012-9-25 19920 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  UCR250628  Rumex acetosella George K. Helmkamp, Mary Alice Barnes 2013-5-3 20465 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UCR260819  Rumex acetosella M. Kauffman 1997-5-18 20 Placer Sierra Nevada Mtns., 0.1 mile from Hwy 80 on Eagle Lakes Road 1768 Comment
  UCR234161  Rumex crispus George K. Helmkamp, E. A. Helmkamp 2011-4-10 17160 Placer Sacramento Valley, along Riosa Road at the east edge of the village of Sheridan 41 Comment
  CAS-BOT-BC433649  Rumex obtusifolius W. R. Dudley 1909-8-12 s.n. Placer Canon [Canyon] Creek Comment
  CHSC79200  Rumex salicifolius var. triangulivalvis Beecher Crampton 1972-7-26 8847 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  JEPS103304  Sagina saginoides Lowell Ahart 2002-7-22 9884 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
  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-BC103607  Salix eastwoodiae W. R. Dudley 1900-6-14 5106 Placer In valley north west of Lake Mary Comment
  UC1729893  Salix eastwoodiae L. P. Janeway, Eric Schroder 1998-9-16 6324 Placer about 3.7 mi sw of Lake Tahoe (western border of Lily Lake, head of McKinney Creek, Homewood Quadrangle); Lily Lake, McKinney Creek 2164 Comment
  CAS-BOT-BC103988  Salix geyeriana W. R. Dudley 1900-6-1 5352 Placer head of Independence Lake Comment
  CHSC13911  Salix geyeriana E. L. Smith 1971-6-17 973 A Placer At s end of Martis Valley ca. 11 kn se of Truckee. 1800 Comment
  CAS-BOT-BC108208  Salix hindsiana Gordon H. True 1968-10-26 4740 Placer Sact. Valley between Sheridan and edge of foothills SW of Camp Far West Res. 76 Comment
  CAS-BOT-BC108210  Salix hindsiana Gordon H. True 1971-4-21 6527 Placer Auburn Ravine just west of Lincoln 49 Comment
  UCD22309  Salix jepsonii Rex Palmer 1979-6-20 N 313 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
  UC437388  Salix laevigata Francis Ramaley 1917-1 11143 Placer Auburn Comment
  CAS-BOT-BC125292  Salix lasiandra var. lasiandra W. R. Dudley 1900-6-29 5797 Placer Near Fish Hatchery, Tahoe City Comment
  CAS-BOT-BC125298  Salix lasiandra var. lasiandra W. R. Dudley 1909-8-1 s.n. Placer Monte Vista, Dutch Flat Comment
  CHSC13806  Salix lasiolepis E. L. Smith 1971-7-27 1014 Placer W end of Putt Reservoir just e of Blue Canyon Road ca. 2 mi w of Emigrant Gap. 1706 Comment
  CHSC9583  Salix lasiolepis E. L. Smith 1971-6-16 957 Placer Corner of Deer and Golden Streets next to Golden Deer Motel at King's Beach, on n edge of Lake Tahoe. Comment
  UCD80752  Salix lasiolepis CNPS SN Foothill Team 2005-4-13 SNFN 0107 e Placer Placer Legacy, Didion Ranch, east of Spear's Ranch, on the north bank of Coon Creek, approximately 500 meters west of the east boundary of the study area. 143 Comment
  CAS-BOT-BC128471  Salix lasiolepis var. lasiolepis Geo. B. Grant 1906-8-1 s.n. Placer Glen Alpine, Lake Tahoe Comment
  CAS-BOT-BC124759  Salix lemmonii Margaret Williams 1974-8-8 74 -P1-5 Placer Murphy's Meadow, 5 miles southeast of Hirschdale 2316 Comment
  CAS-BOT-BC124779  Salix lemmonii W. R. Dudley 1900-6-14 5024 Placer Shore of Donner Lake Comment
  CAS-BOT-BC124780  Salix lemmonii W. R. Dudley 1900-6-12 51010 Placer Meadow east side of Donner Lake Comment
  SD43610  Salix lemmonii Darley F. Howe 1948-5-22 Placer Placer Co. 1707 Comment
  UC847123  Salix lemmonii A. A. Heller 1917-6-19 12735 Placer Emigrant Gap 1615 Comment
  SEINET11957674  Salix lemmonii E. L. Smith 1971-1 954 Placer Yuba Gap, 7 km E of Emigranat Gap 1770 Comment
  CAS-BOT-BC128233  Salix lucida W. R. Dudley 1900-6-15 5132 Placer Between Summit and Soda Springs Station, Nevada-Placer Co. line. 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
  CHSC9617  Salix scouleriana E. L. Smith 1971-7-27 991 Placer At Tahoe Vista. 1903 Comment
  UCR171026  Salix scouleriana George K. Helmkamp, E. A. Helmkamp 2006-2-9 10060 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  CAS-BOT-BC238833  Sambucus nigra subsp. caerulea Carl B. Wolf 1930-10-11 1729 Placer 4 miles west of Emigrant Gap 1524 Comment
  CDA16054  Sambucus racemosa var. microbotrys G. F. Hrusa, J. Glazner 2000-9-3 15659 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  UC1119893  Sambucus racemosa var. microbotrys N. French 1934-6-10 407 Placer near Lake Van Norden; Tahoe National Forest, Truckee Quadrangle 1920 Comment
  UC148977  Sambucus racemosa var. microbotrys H. M. Hall July 1910 8726 Placer Fordyce Creek Sierra Nevada Mountains 2103 Comment
  JEPS13384  Sambucus racemosa var. microbotrys C. F. Sonne 1886-7-5 127 Placer <at Lakes near summit> Sierra Nevada Mts. 2194 Comment
  SD241173  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2011-7-9 17673 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 1.4 miles northwest of the city of Foresthill (Foresthill 7.5'Q) 764 Comment
  UCSB32297  Sanicula bipinnata Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  CAS-BOT-BC223278  Sanicula bipinnatifida Kate E. Phelps 1937-5-28 s.n. Placer Applegate 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
  UCD80017  Sanicula bipinnatifida CNPS SN Foothill Team 2005-4-26 SNFN 0183 a Placer CDPR Auburn State Recreation Area. The stand is located at the northeast end of Robie Point, about 100 meters east (downslope) of the Western States trail, just to the north and east of where it rounds the point (accessed from the trailhead at Robie Point). 259 Comment
  SEINET11155811  Sanicula bipinnatifida D. E. Brix 1962-3-17 s.n. Placer North Fork American River, 3.5 miles NE of Auburn. 518 Comment
  SD248316  Sanicula crassicaulis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20806 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's road, 3.6 miles northwest of its junction with Forest Hill Road. 768 Comment
  SDSU2332  Sanicula crassicaulis D. F. Howe 1948-5-21 1914 Placer 4 mi. north of Auburn. 457 Comment
  SD43659  Sanicula crassicaulis Darley F. Howe 1948-5-21 1914 Placer 455 Comment
  POM133547  Sanicula graveolens C. F. Sonne 1895-06 4112 Placer Road to Lake Tahoe Comment
  UCSB32300  Sanicula graveolens Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  POM82765  Sanicula tuberosa Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  UC1123196  Sanicula tuberosa N. French 1934-6-22 485 Placer 1/2 mi w of Lake Van Norden (Tahoe National Forest); Tahoe National Forest 2133 Comment
  UC147589  Sanicula tuberosa Miss Harriet A. Walker 1908-6-24 1300 Placer Blue Canyon 1432 Comment
  UCD21674  Sanicula tuberosa Beth Lowe Corbin 1982-8-9 276 Placer 1/4 mile SW of Onion Creek campground. 1859 Comment
  SEINET13945244 Image available Sanicula tuberosa L. S. Rose 1941-1 41323 Placer Edge of meadow, Chambers Lodge, Lake Tahoe. Ca 1900 m 1900 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
  SEINET12220592  Saxifraga bryophora C. F. Sonne 1884-1 s.n. Placer above Coldstraw Comment
  POM142236  Saxifraga nidifica C. F. Sonne 1892-07 5597 Placer Above Donner Lake. Truckee. Comment
  POM90720  Saxifraga tolmiei C. F. Sonne 1885-8-23 s.n. Placer Tinker Knob. 2896 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
  JEPS73222  Scirpus congdonii Gladys L. Smith 1972-8-25 3437 Placer meadow below cirque n face Granite Chief; n face Granite Chief 2575 Comment
  CAS-BOT-BC110997  Scirpus microcarpus Lewis Samuel Rose 1944-7-25 44238 Placer Chambers Lodge, Lake Tahow meadow 1920 Comment
  CDA3392  Scleranthus annuus G. D. Barbe 1985-7-15 4238 Placer 10 miles east of Auburn, 1 mile northeast of Meadow Vista on Placer Hills Road. 0 Comment
  UC1153948  Scribneria bolanderi Beecher Crampton 1957-5-7 3987 Placer 2 mi n of Lincoln Comment
  UCD32554  Scribneria bolanderi Beecher Crampton 1954-5-14 1901 Placer Placer County, 2 miles northwest of Roseville, Diamond K Ranch. Comment
  JEPS111315  Sedum lanceolatum Steve Matson 2005-7-30 1425 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
  UCD69348  Sedum obtusatum S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. American River Canyon. Perennial plant communities growing in massive ultramafic outcrops close to Jeffrey pine open forets (Querco vaccinifoliae-Pinetum jeffreyi Rivas-Martinez and Sanchez-Mata 1997). 1850 Comment
  JEPS72360  Sedum obtusatum Gladys L. Smith 1972-8-25 3442 Placer Glacial stairsteps between Squaw Valley and Granite Chief; btwn Squaw Valley and Granite Chief 2133 Comment
  UCD41292  Sedum spathulifolium Ellen Dean; Art Shapiro, Andrienne Shapiro 2003-5-12 1704 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 1.5 road miles northeast of intersection with Main St. 1066 Comment
  CAS-BOT-BC62222  Selaginella watsonii John H. Thomas; Hazelle A. Thomas 1956-7-21 6128 Placer Sierra Nevada, vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  SD43765  Senecio aronicoides Darley F. Howe 1948-5-23 1922 Placer American River 305 Comment
  SDSU464  Senecio aronicoides unknown 1948-5-23 1922 Placer American River. 305 Comment
  UC147586  Senecio aronicoides Harriet A. Walker 1908-6-23 1224 Placer Blue Canyon 1432 Comment
  JEPS126356  Senecio hydrophilus Steve Matson 2000-7-6 464 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 yards north of Highway 267. Comment
  SJSU5432  Senecio integerrimus var. exaltatus M. B. Olesen 1965-5-31 Placer near Incline Village, Lake Tahoe 1920 Comment
  UC197295  Senecio integerrimus var. exaltatus C. F. Sonne Jun 1898 Placer W slope Washoe Mountain near Truckee Comment
  CAS-BOT-BC363998  Senecio integerrimus var. major M. E. Parsons 1909-1-1 s.n. Placer Lake Tahoe Region. Near Tahoe Tavern Comment
  CAS-BOT-BC364033  Senecio integerrimus var. major Alice Eastwood 1909-1-1 270 Placer Lake Tahoe Region. Deer Park Comment
  CAS-BOT-BC364156  Senecio serra Elizabeth Parsons Hawver No date on label s.n. Placer Tahoe City, Lake Tahoe Region Comment
  UCD43180  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 549 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44414  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1780 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC364383  Senecio triangularis C. F. Sonne 1884-7-20 185 Placer Sierra Nevada Mts. Truckee Comment
  RSA473089  Senecio triangularis Fay A. MacFadden 1934-7-14 12779 Placer Canyon Creek - Dutch Hat. Comment
  UCD83590  Sericocarpus oregonensis subsp. californicus Albert Grigarick 2009-8-7 159 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1959 Comment
  CDA2405  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer Sacramento Valley; Southeast corner of Newcastle Road and Brenner [Brennans] Road, Newcastle Comment
  UC1261252  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer s.e. corner Newcastle Rd. & Brenner Rd. Newcastle Comment
  UCD92678  Setaria faberi G. Douglas Barbe 1974-11-26 1984 Placer southeast corner of Newcastle Road and Brenner Road. Newcastle. Comment
  CDA15654  Sidalcea asprella G. F. Hrusa, J. Glazner 1999-7-18 15189 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  UCD164649  Sidalcea calycosa Brandi Sorensen 1995-5-12 6 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  CHSC81798  Sidalcea glaucescens Lowell Ahart 2001-10-10 9353 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
  CHSC9519  Sidalcea glaucescens J. F. Goodwin 1971-7-10 161 Placer Approx. 1 mi. west of Lake Tahoe at end of Old County Roud, 2.3 mi. sw of Cornelian Bay. Comment
  JEPS46167  Sidalcea glaucescens L. S. Smith 1928-6-9 2294 Placer s slope Squaw Valley Tahoe Forest, s slope Squaw Valley 1828 Comment
  UC662663  Sidalcea glaucescens L. S. Rose 1941-7-14 41314 Placer Homewoods , Homewood (Lake Tahoe) 1900 Comment
  UC871443  Sidalcea glaucescens Lewis S. Rose 1938-9-14 38262 Placer 3 mi e Cisco; South Fork of Yuba River, e of Cisco 1737 Comment
  UCD150575  Sidalcea glaucescens James A. Neilson Jr. 1970-7-9 1476 Placer Tahoe Basin, North Ward Valley. 2194 Comment
  UC66468  Sidalcea glaucescens P. B. Kennedy 1901-8-6 242 Placer Soda Springs Comment
  UC871458  Sidalcea hartwegii C. L. Hitchcock 1940-5-15 6404 Placer 6 mi n Colfax; n of Colfax Comment
  UCR120242  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5032 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCD22087  Sidalcea oregana Rex Palmer 1979-6-21 N 393 Placer Headwaters basin area of the North Fork of the American River 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
  UCD43308  Sidalcea oregana subsp. hydrophila C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 676 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CHSC74101  Sidalcea oregana subsp. spicata Susi Urie 1998-8-28 98 -130 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnnyside. 2121 Comment
  SBBG117216  Sidalcea oregana subsp. spicata B. Crampton 1972-7-26 8838 Placer Carpenter Flat, E of Emigrant Gap 1615 Comment
  UC871499  Sidalcea oregana subsp. spicata Lewis S. Rose 1937-7-29 37614 Placer Tahoe Vista 1905 Comment
  SEINET8973570  Sidalcea oregana var. spicata K. Thorne, J. Chandler 1987-6-26 5431 Placer Squaw Valley Ski Resort. Comment
  OBI48959  Sidalcea reptans Lewis S. Rose 1937-7-29 37614 Placer Tahoe Vista 1905 Comment
  UC196791  Silene californica C. F. Sonne 1891-5-17 Placer Colfax 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
  UCD22170  Silene douglasii Rex Palmer 1979-6-20 N 305 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC386981  Silene douglasii C. F. Sonne 1885-7-12 194 Placer Sierra Mountains Comment
  UCD150315  Silene douglasii var. douglasii James A. Neilson Jr. 1970-8-5 1762 Placer Tahoe Basin, Ward Creek area. 2499 Comment
  RSA782377  Silene gallica George K. Helmkamp, E. A. Helmkamp 2010-4-23 15903 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  CAS-BOT-BC541422  Silene invisa G. Ledyard Stebbins; Charlotte Pyles 1979-7-31 s.n. Placer North slope of ridge betweejn Soda Springs, on North Fork American River, and Peak 2346 Comment
  CAS-BOT-BC389369  Silene lemmonii Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap Comment
  SCFS11529154  Silene occidentalis E. Krimmel 2014-6-26 Placer Dry opening in conifer forest. Comment
  UC311417  Silene occidentalis subsp. occidentalis Marcus E. Jones, A. M. 1882-6-30 Placer Emigrant Gap Comment
  SDSU1232  Sinapis arvensis D. F. Howe 1948-5-21 1913 Placer 4 mi. north of Auburn. 487 Comment
  CDA15933  Sisymbrium altissimum G. F. Hrusa, J. Glazner 1999-7-17 15133 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CDA16997  Sisyrinchium bellum G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16050 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  RSA782053  Sisyrinchium elmeri Lisa Karst 2002-1 CA 02 -2 Placer Alpine Village, Tahoe River. [county not specified] Comment
Read comments
Jan 7 2016
  SACT002212  Sitanion hystrix D. Meyer 1984-7-8 Placer 0.4 km from I80 exposed hillside, east facing. 1584.96 Comment
  SACT002228  Sitanion hystrix D. Meyer 1983-6-25 Placer 1636.0 Comment
  SACT002235  Sitanion hystrix Josephine Van Ess 1977-5-20 Placer Collected about 1.75 mile north of Hawk Logan Road on east-west portion of Garden Bar. Dry roadside bank. 85.4 Comment
  SACT002251  Sitanion jubatum D. Meyer 1980-5-24 Placer 1212.0 Comment
  SACT002259  Sitanion jubatum Michael Baad 1977-6-8 Placer 1.3 miles southwest of Volcano Canyon on road between Forest Hill and French Meadows, roadside in serpentine. Comment
  RSA569206  Smilacina stellata var. sessilifolia Bonnie C. Templeton 1931-7-4 1502 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  CDA36811  Solanum elaeagnifolium D. B. Joley Sep 1976 1 Placer Sierra College Blvd. and Douglas Blvd., southwest corner. 0 Comment
  CAS-BOT-BC133794  Solanum umbelliferum C. F. Sonne 1886-7-18 s.n. Placer R.R. canyon on Truckee River near Vicksburg Tunnel Comment
  UCD127066  Solanum xanti Ted Niehaus 1959-5-3 94 Placer small knoll 100 yards from lake, north shore of Folsom Lake, Granite Bay park, Comment
  SEINET6186073  Solanum xanti var. montanum M. J. Williams 1985-7-6 85- 63 -4 Placer Sierra Nevada, Pacific Crest Trail between old and new Donner Summits Comment
  OBI20136  Solidago elongata David J. Keil 1978-7-23 12951 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  UC579497  Solidago elongata H. S. Yates 1934-6-29 3900 Placer near Tahoe City; Truckee Quad. Comment
  CAS-BOT-BC365114  Solidago velutina subsp. californica Mrs. C. E. Miller 1919-1-1 s.n. Placer McKinneys, Lake Tahoe Comment
  UC88196  Solidago velutina subsp. californica K. Brandegee Sep 1888 Placer Blue Canyon Comment
  CAS-BOT-BC157301  Sorbus californica Gordon H. True; James Roof 1975-10-16 7971 Placer Cisco Grove, north side of South Yuba River 1828 Comment
  CAS-BOT-BC157303  Sorbus californica T. S. Brandegee s.n. Placer Summit Comment
  UC128209  Sorbus californica Miss Harriet A. Walker 1908-7-26 1445 Placer Cisco 1810 Comment
  UC567090  Sorbus californica N. French 1934-6-13 408 Placer Lock Leven Lake 2042 Comment
  UCR201762  Sorbus scopulina George K. Helmkamp, E. A. Helmkamp 2008-8-20 14018 Placer Northern Sierra Nevada Mountains, Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  RSA407380  Sparganium angustifolium Lyman Benson 1932-7-31 4014 Placer Donner Lake; Sierra Nevada; Truckee River watershed. 1890 Comment
  SJSU5076  Sparganium angustifolium R. L. Fisher 1959-8-12 Placer 2 mi W of Lake Van Norden on road to Cascade Lake 1981 Comment
  SEINET3228406 Image available Spartium junceum M. F. Wojciechowski 2002-6-25 999 Placer Roadside along I-80, collected adjacent to rest area near Dutch Flat/Gold Run exit. 945 Comment
  CAS-BOT-BC390059  Spergularia W. A. Gosline; A. R. Gosline 1943-6-26 s.n. Placer Norden Comment
  CAS-BOT-BC390110  Spergularia bocconi John Thomas Howell; Gordon H. True 1971-5-26 47645 Placer Northern limits of Lincoln 48 Comment
  JEPS102552  Spergularia rubra Lowell Ahart 2001-10-10 9363 Placer French Meadows Reservoir, near the boat or trail access area on the NW side of the reservoir, about 1 mile SW of the bridge across the Middle Fork of the American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  CAS-BOT-BC390679  Spergularia rubra A. A. Heller 1917-6-17 12723 Placer Cisco 1828 Comment
  SEINET5337300  Spergularia villosa S. Brent 1972-10-8 s.n. Placer Auburn, American River. 427 Comment
  SD6053  Spiraea densiflora none given none given June 1914 Placer Cisco Comment
  CDA15824  Spiraea splendens G. F. Hrusa, L. Serafini 1993-6-29 11260 Placer Duncan Creek approx. 100 meters upstream from Mosquito Ridge Rd. bridge crossing, & 1 mile N of french Meadows Reservoior. Comment
  CAS-BOT-BC220973  Stachys Saichi Kawahara 1969-7-6 1441 Placer At the Mel Henderson Ranch on the east bank of Indian Creek 999 Comment
  UC614788  Stachys ajugoides var. rigida Beryl O. Schreiber 1934-7-4 1182 Placer 6 mi e Lookout Comment
  UCD150466  Stellaria crispa James A. Neilson Jr. 1970-8-26 1825 Placer Tahoe Basin, Ward Creek. 2011 Comment
  POM286219  Stellaria longipes Lyman Benson 1942-7-2 11252 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCD150468  Stellaria longipes James A. Neilson Jr. 1970-7-18 1581 Placer Tahoe Basin, Ward Creek. Near plot 234. 2011 Comment
  CAS-BOT-BC391173  Stellaria longipes subsp. longipes Geo. B. Grant 1906-7-15 6925 Placer Tahoe Tavern, Lake Tahoe Comment
  UCD22172  Stellaria longipes subsp. longipes Rex Palmer 1979-7-9 N 452 Placer Headwaters basin area of the North Fork of the American River 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
  UCR171028  Stellaria media George K. Helmkamp, E. A. Helmkamp 2006-2-24 10072 Placer Northern Sacramento Valley, Wise Road just east of its junction with Calif. Highway 65; c. 1 mi SE of Ewing 47 Comment
  SEINET5337366  Stellaria media M. Demorest 1962-3-15 s.n. Placer Junction of North and Middle Forks of American River. 274 Comment
  CAS-BOT-BC181460  Stellaria obtusa A. A. Heller 1919-7-25 13298 Placer About rocks near the Yuba River below Cisco. 1676 Comment
  SEINET2443005  Stephanomeria lactucina George K. Helmkamp, E. A. Helmkamp 2009-8-12 15455 Placer Northern Sierra Nevada Mountains. Forest Hill Road, 21.7 miles northeast of the city of Foresthill.; 0 1701 Comment
  UC485636  Stephanomeria lactucina H. M. Hall 1910-7-10 8751 Placer near Cisco station; Sierra Nevada Mountains 1828 Comment
  UCD21790  Stephanomeria lactucina Beth Lowe Corbin 1982-8-4 209 Placer 1/4 mile W of Onion Creek campground. 1856 Comment
  UCR209720  Stephanomeria lactucina George K. Helmkamp, E. A. Helmkamp 2009-8-12 15455 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 21.7 miles northeast of the city of Foresthill 1701 Comment
  SACT002318  Stipa californica Michael Baad 1976-7-14 Placer 0.8 miles west of Sailor Flat. Forest Hills Divide. Comment
  SACT002322  Stipa californica D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT002343  Stipa columbiana Michael Baad 1983-7-23 Placer Collected south of airport along northeast side of Highway 267 1767.84 Comment
  SEINET10893292  Stipa stillmanii Smith 1931-6-21 Smith 2557 Placer Shallow, loose, loam soil. East slope. trail below pine Nut, Duncan Canyon; ca 11 miles east 9northeast) of Michigan bluff 1524 Comment
  RSA27025  Streptanthus polygaloides C. L. Hitchcock 1940-5-15 6401 Placer 6 miles N of Colfax Comment
  UC1601616  Streptanthus polygaloides C. L. Hitchcock 1940-5-15 6401 Placer hillside 6 mi n Colfax Comment
  UCD116301  Streptanthus tortuosus Robert E. Preston 1984-6-13 459 Placer 4 km west of Sunnyside. 2044 Comment
  CHSC24706  Streptanthus tortuosus var. pallidus T. C. English 1976-4-18 35 Placer On n side of deserted R.R., on n fork of the American River, ca. 2 mi w of Hwy 49 bridge. 335 Comment
  SDSU11280  Styrax officinalis var. californicus D. F. Howe 1948-5-23 1815 Placer American River 305 Comment
  SEINET5505738 Image available Styrax officinalis var. californicus Evert I. Schlinger 1952-1 95 Placer 2 miles east of Auburn Comment
  LA44529  Styrax redivivus Carl B. Wolf; 1937-5-12 8609 Placer Sacramento Valley, W of N Fork American River, 8 mi N of Folsom on road to Auburn 121 Comment
  UCD119093  Styrax redivivus Linda A. Bell 1975-5-24 173 Placer Highway 49, 2 miles South-East of Auburn. 457 Comment
  UCD119115  Styrax redivivus A. M. Shapiro 1993-5-8 s.n. Placer Iowa Hill Road, above North Fork of American River. Comment
  POM68139  Symphoricarpos acutus Marcus E. Jones 1882-6-27 3292 Placer Emigrant Gap. 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
  UC1119995  Symphoricarpos rotundifolius var. rotundifolius G. F. Burks 1934-9-19 45 Placer Squaw Creek; Tahoe National Forest, Truckee Quad. 2011 Comment
  CAS-BOT-BC97856  Symphyotrichum eatonii Fay A. Mac Fadden 1934-8-10 12865 Placer Cisco Comment
  CHSC74197  Symphyotrichum foliaceum var. parryi Susi Urie; Eric Schroder 1998-9-8 98 -295 Placer On north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CAS-BOT-BC98477  Symphyotrichum spathulatum A. A. Heller 1917-8-13 12880 Placer Summit Valley 2118 Comment
  CAS-BOT-BC98481  Symphyotrichum spathulatum C. G. Pringle 1884-9-1 s.n. Placer Summit Valley, Sierra Nevada Mts. Comment
  UC53989  Symphyotrichum spathulatum Chesnut and Drew 1898-8-8 Placer Cascade Lake Tahoe 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
  UCD21792  Taraxacum officinale Rex Palmer 1979-5-27 N 51 Placer Headwaters basin area of the North Fork of the American River Comment
  POM82681  Tauschia kelloggii Marcus E. Jones 1882-7-4 s.n. Placer Colfax Comment
  UCSB27352  Taxus brevifolia Havlik, Neil 1969-8-25 Placer On Gaddis Creek, east of Gerogetown Comment
  CAS-BOT-BC447428  Tellima grandiflora Marcus E. A M Jones 1982-7-1 2710 Placer Emigrant Gap Comment
  CAS-BOT-BC392403  Thalictrum fendleri Miss. T. V. Raphael 1923-7-6 s.n. Placer Cisco Comment
  UCD42984  Thalictrum fendleri var. fendleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 353 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD96804  Thalictrum fendleri var. fendleri G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12633 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  CAS-BOT-BC399743  Thalictrum polycarpum Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  CDA35497  Thlaspi arvense Darryl Mitani 2011-7-21 PDR# 1611261 Placer Tahoe City; Lake Forest Road. 0 Comment
  UCD41259  Thysanocarpus curvipes Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1716 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
  UCR250334  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-4-18 20356 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  CAS-BOT-BC88166  Thysanocarpus curvipes Charles von Geldern 1912-5-1 s.n. Placer American River. Comment
  SEINET12437545  Thysanocarpus curvipes M. Demorest 1962-3-15 s.n. Placer Junction of the North Fork and Middle Fork of the American River, 4 miles from Auburn. 274 Comment
  SEINET7249067  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-1 Placer Comment
  RSA0049959  Thysanocarpus radians Carl B. Wolf 1937-3-30 8354 Placer Sacramento Valley, 2 mi. No. of Lincoln. 53 Comment
  UCD128156  Torilis arvensis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10452 Placer Northern Sierra Nevada. Ca. 4 air miles NE of Auburn, along an unnamed road to Lake Clementine, 1.2 miles N of Forest Hill Road. 422 Comment
  UCD124139  Torreya californica Ellen Dean; Davis Botanical Society members 2012-10-13 7513 Placer Along Mosquito Ridge Road, ca. fourteen road miles E of junction with Foresthill Road. Comment
  UCD69337  Torreya californica Collector unknown 1997-9-5 Placer Between Forest Hill and Michigan Bluff. Michigan Bluff Road. Tahoe National Forest. Shady Douglas fir forests (Pseudotsuga menziesii) at Volcano Canyon. 1060 Comment
  UC191385  Toxicodendron diversilobum C. F. Sonne May 17 1891-Jun 7 1891 Placer between Colfax and (fr - June 7.) Gold Run (below Auburn (fls.- May 17)) Comment
  SCFS1132  Toxicoscordion venenosum E. Krimmel 2014-4-21 Placer NFAm. 300 ft above the river on the north ridge coming down from Pt. Mariah Comment
  SBBG58472  Trientalis latifolia M. N. Ackley -Jun-1925 798 Placer Towle 1127 Comment
  UCD107145  Trifolium arvense H. E. Catlin 1935-4-25 s.n. Placer Placer County. Comment
  JEPS127545  Trifolium cyathiferum Steve Matson 1997-7-10 87 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; North Ave. dirt road extension to meadow near west fork of Snow Creek. Comment
  UC333400  Trifolium cyathiferum unknown 1874-1-1 Placer near Lake Tahoe; Squaw Valley Comment
  UCD75820  Trifolium cyathiferum Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5174 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
  UCD108820  Trifolium dubium Al Franklin 1987-5-1 87 -10 Placer 1.3 miles east of I-80, on Foresthill Road, just outside Auburn. 396 Comment
  UCR257603  Trifolium dubium George K. Helmkamp, Amy Barnes 2014-3-21 22636 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  SDSU5276  Trifolium dubium D. F. Howe 1965-5-21 4066 Placer Canyon on south side of north fork of American River between Forest Hill and Yankee Jims. 914 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
  CDA36913  Trifolium glomeratum CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  SEINET7413854  Trifolium gracilentum A. Allen 1950-4-29 15 Placer 2 miles east of Roseville on highway 40 Comment
  CDA36889  Trifolium hirtum CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UCD111201  Trifolium hirtum M. H. Mills 1996-4-21 161 Placer 5830 Walden Lane, Loomis. 180 Comment
  UCD35459  Trifolium hirtum Beecher Crampton 1957-5-7 3993 Placer 2 miles north of Lincoln, along U.S. Highway 99 E. Comment
  CDA4332  Trifolium hybridum Hanley 1956-6-2 Placer Roseville/Lincoln. 0 Comment
  NY802658  Trifolium kingii var. productum H. A. Walker 1910-6-26 1310 Placer Cisco 1811 Comment
  UC149769  Trifolium kingii var. productum W. A. Setchell, C. C. Dobie Jul 6 1901-Jul 21 1901 Placer vicinity Lake Tahoe; Rubicon Park Comment
  JEPS59436  Trifolium longipes Ezra Brainerd and Viola B. Baird 1915-7-25 156 Placer Sierra Nevada Mountains; Deer Park Comment
  UCD111273  Trifolium longipes R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  CDA12433  Trifolium longipes subsp. elmeri G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8505 Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCD75822  Trifolium longipes var. elmeri Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5178 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
  UCR194699  Trifolium microcephalum George K. Helmkamp, E. A. Helmkamp 2007-5-30 12203 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
  SEINET7378476  Trifolium olivaceum A. Allen 1950-5-20 31 Placer Roadside 3 miles west of Auburn on Grass Valley road 366 Comment
  UCR240955  Trifolium pratense George K. Helmkamp, E. A. Helmkamp 2012-9-25 19907 Placer Northern Sierra Nevada Mountains, Blue Canyon Road south of I-80 and 0.1 mile north of the Southern Pacific Railroad crossing 1451 Comment
  CAS-BOT-BC230185  Trifolium productum A. A. Heller 1919-7-25 13301 Placer Rocks near the Yuba River below Cisco 1676 Comment
  CHSC9512  Trifolium productum J. F. Goodwin 1971-7-10 156 Placer Approx. 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi sw of Cornelian Bay. Comment
  CAS-BOT-BC230184  Trifolium productum John Thomas Howell 1938-8-2 13995 Placer 5 miles n. of Brockway Comment
  UCD147090  Trifolium striatum Chuck Hughes 2013-5-6 374 Placer Southwest margin of Camp Far West Reservoir. 96 Comment
  SEINET7375918  Trifolium tridentatum A. Beninghoff 1930-4-20 1779 Placer Lincoln 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
  UC397182  Trifolium willdenovii Mary E. Pulsifer 1895-4-1 Placer Auburn Comment
  UCD44594  Trifolium wormskioldii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1960 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS59438  Trifolium wormskioldii Ezra Brainerd and Viola B. Baird 1915-7-22 158 Placer Bear Rock Sierra Nevada Mtns (between rr and Truckee River) 1889 Comment
  SEINET3992131  Trillium sessile var. giganteum C. L. Hitchcock 1940-5-7 6306 Placer ca. 1 mile west of Baxter Comment
  SFV10457  Triphysaria eriantha M. L. Vincent 1965-4-11 604 Placer 1 mile north of Marysville on Highway 99E. Roadside. 20 Comment
  SEINET13750515  Triphysaria eriantha H. E. Hodge 1956-3-28 11 Placer Alongside Highway 49, nine miles north of Auburn, right side of road going north 457 Comment
  UC219134  Triphysaria eriantha subsp. eriantha unknown May, 1891 Placer Auburn Comment
  SD43621  Triphysaria eriantha subsp. eriantha Darley F. Howe 1948-5-20 Placer Placer Co. 456 Comment
  UC1155399  Trisetum projectum Beecher Crampton 1964-7-21 7115 Placer Hwy 40 1/2 mi wnw Cisco Grove 1706 Comment
  UCD36709  Trisetum projectum Beecher Crampton 1955-7-13 2993 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  CHSC67751  Trisetum spicatum James D. Jokerst 1986-7-13 2733 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Park. Comment
  UCR226135  Trisetum spicatum Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5159 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along Emigrant Trail on the north side of the north fork of Cold Creek, sides of trail 2125 Comment
  SACT002446  Trisetum spicatum var. projectum Michael Baad 1976-7-17 Placer 0.5 mile east of Five Lakes. 1.5 miles west of Alpine Meadows Ski Area, open slopes of eroded granite. 2072.0 Comment
  RSA0039278  Triteleia hyacinthina George K. Helmkamp, Amy Barnes 2013-3-28 20281 Placer along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  SD248289  Triteleia hyacinthina George Helmkamp, Amy Barnes 2013-3-28 20281 Placer Eastern Sacramento Valley: along 10th Street/Ranch House Road, 0.6 mile south of its junction with Riosa Road in Sheridan (Lincoln 7.5'Q) 42 Comment
  SEINET11261796  Triteleia hyacinthina George K. Helmkamp, E. A. Helmkamp 2011-7-26 17889 Placer Northern Sierra Nevada Mountains: Along CA Highway 20, 0.8 miles E of Bowman Lake Road, 1.23 miles NE (50 degrees) of Emigrant Gap and 0.35 miles N of I-80.; 0 1541 Comment
  UCD139301  Triteleia hyacinthina L. M. Sparks 1912-8-1 48 Placer Lake Tahoe. 1920 Comment