Search Results — 2000 specimen records retrieved (1587 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/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SBBG24474  Abies concolor E. R. Blakley 1960-8-30 3796 Placer Carnelian Bay, Lake Tahoe 1981 Comment
  UCD43915  Abies concolor C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1281 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  JEPS46610  Abies magnifica Dr. J. C. Hawver Oct. 1908 Placer Summit Comment
  CAS-BOT-BC331005  Acer glabrum var. glabrum Dr. W. B. Stephens 1922-7-1 sn. Placer Salmon Lake Comment
  CAS-BOT-BC331006  Acer glabrum var. glabrum Alice Eastwood 1909-1-1 268 Placer Lake Tahoe Region. Deer Park Comment
  UCD117004  Acer macrophyllum Eric Brenner; John Hunter 1996-5-26 025 Placer Tahoe National Forest, Mosquito Ridge Road. 1280 Comment
  CAS-BOT-BC28723  Achillea millefolium Elizabeth Parsons Hawyer 1911-8-1 s.n. Placer Sunnyside, Lake Tahoe Comment
  OBI39804  Achillea millefolium Joy H. Nishida 1985-7-10 783 Placer Homewood 1829 Comment
  SCFS1156  Achillea millefolium E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Cedar's Meadow. Comment
  CAS-BOT-BC210683  Achnatherum lemmonii John Thomas Howell; Gordon H. True 1968-6-9 44518 Placer Alta 1066 Comment
  CAS-BOT-BC210684  Achnatherum lemmonii A. A. Beetle 1941-5-26 2716 Placer Near Cisco 914 Comment
  UC821962  Achnatherum lemmonii C. L. Hitchcock 1940-5-7 6314 Placer 1 mi w Baxter Comment
  SEINET232544 Image available Achnatherum nelsonii subsp. dorei Mary E. Barkworth, L Firestone 1987-8-20 4011 Placer Campground 0.7 mi south of I-80 to tahoe City; interchange at Truckee Comment
  SEINET2470933  Achnatherum occidentale K. Christie 2010-6-30 1874 Placer Lake Tahoe Basin Management Unit (USFS); east of Brockway Spring along FR 16N57, ca. 0.75 mi. northeast of Kings Beach from Beaver Rd. 2133 Comment
  CAS-BOT-BC210839  Achnatherum occidentale subsp. californicum Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  UCD51139  Achnatherum occidentale subsp. californicum G. L. Stebbins Jr. 1941-7-16 3170 Placer along U.S. Highway no. 40, 1 mile west of Cisco Grove. 1706 Comment
  UCD74156  Achnatherum occidentale subsp. occidentale Jennifer W. Burt 2005-7-9 24 Placer abandoned ski area above Rainbow Lodge, off Hwy 50 East of Cisco - collected from center of an abandoned ski run. 1870 Comment
  RSA129140  Achnatherum stillmanii B. Bolt 1934-7-17 140 Placer 1/2 mile south of Walker Mine. 1921 Comment
  UCD55538  Achnatherum stillmanii L. T. Burcham; H. W. Miller 1962-7-31 s.n. Placer 7 miles north of main line road up Red Star Ridge. On road from French Meadows to Soda Springs. 1981 Comment
  RSA43802  Achyrachaena mollis D. F. Howe 1948-5-21 s.n. Placer [Unspecified] 457 Comment
  CDA39022  Acmispon americanus D. G. Kelch 2011-10-3 11 .816 Placer Tahoe City. Granlibakken Resort. Comment
  CHSC79296  Acmispon americanus var. americanus Beecher Crampton 1972-7-26 8836 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  UCD104038  Acmispon brachycarpus Beecher Crampton 1955-6-15 2919 Placer Placer County, 8 miles west of Forest Hill. Comment
  SBBG89395  Aconitum columbianum M. J. Warnock 1984-8-16 3823 Placer SE of Ski Lodge at Alpine Meadows Ski area Comment
  SEINET7720541  Aconitum columbianum Unknown Placer Summit Soda Comment
  CAS-BOT-BC391459  Aconitum columbianum subsp. columbianum Alice Eastwood 1909-1-1 77 Placer Lake Tahoe Region. Sunnyside Comment
  JEPS127522  Aconitum columbianum subsp. columbianum Steve Matson 2002-7-14 573 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, nearly one mile SW of parking lot and picnic spot, south side of Highway 267, along Lookout Mountain Creek. Comment
  CAS-BOT-BC412606  Aconogonon alaskanum A. A. Heller 1917-8-14 12934 Placer Mt. Lincoln south of Summit Valley 2438 Comment
  CAS-BOT-BC418773  Aconogonon phytolaccifolium Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  UCD22144  Aconogonon phytolaccifolium Rex Palmer 1979-7-25 N 674 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD83596  Aconogonon phytolaccifolium Albert Grigarick 2009-8-7 165 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 2171 Comment
  CHSC79552  Actaea rubra G. F. Hrusa; T. Scarano 1994-8-31 11914 Placer Sierra Nevada. Duncan Creek at base of grade below French Meadows Reservoir, 1/4 m. upstream from bridge. [Lat./long. on label is '39 8 N; 120 29 W']. 1500 Comment
  UCD69172  Adenocaulon bicolor D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-9 s.n. Placer Blue Canyon. Tahoe National Forest. Mesophytic white fir forests in Blue Canyon (Abietion lowianae Rivas-Martinez and Sanchez-Mata 1997). 1550 Comment
  UCD112618  Adenostoma fasciculatum G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10716 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
  SEINET3860417 Image available 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 Colfax.; 0 415 Comment
  UCR218244  Adiantum jordanii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16429 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  CAS-BOT-BC110730  Aegilops triuncialis K. L. Stark 1971-6-8 s.n. Placer Sierra Nevada. North side of road to Dutch Flat, 3 miles west of Alta. 1188 Comment
  SCFS11529153  Ageratina occidentalis E. Krimmel 2014-6-26 Placer Dry, sunny slope. Comment
  UC86229  Ageratina occidentalis C. F. Sonne 1894-9-2 Placer mountain summits above Summit Station; The Sierra Nevada Mountains 2438 Comment
Read comments
Aug 2 2009
  UCD21769  Ageratina occidentalis Beth Lowe Corbin 1982-8-13 338 Placer 1 1/3 mile SSW of Onion Creek campground. 1645 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
  SEINET7067125  Agoseris heterophylla A. G. Vestal 1947-4-29 s.n. Placer Serpentine about 3.8 miles north of Auburn and 0.2 miles south of Elders Corner on Route 49. Coordinate datum: NAD27. UTM Zone 10, 664672mE, 4313245mN. Comment
  SD240834  Agoseris retrorsa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18948 Placer Northern Sierra Nevada Mountains Foothills:Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road (Foresthill 7.5'Q) 1103 Comment
  CAS-BOT-BC13324  Agoseris retrorsa L. S. Smith 1926-5-25 1835 Placer Tahoe National Forest. Mosquito Ridge below Dollar Camp Comment
  SACT000066  Agropyron trachycaulum Michael Baad 1976-7-14 Placer 1 mile east of Baker Ranch on Forest Hill Divide 1402.08 Comment
  SACT000080  Agropyron trachycaulum Michael Baad 1983-7-23 Placer 1767.84 Comment
  UCR249607  Agrostis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20837 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  UCD163426  Agrostis avenacea Robert E. Preston 2015-5-29 3003 Placer 1.8 mi SE of Sheridan, 0.5 mi E of Old Hwy 65, 0.25 mi N of Yankee Slough. 33 Comment
  SACT000128  Agrostis diegoensis D. Meyer 1984-7-15 Placer Soda Springs Rd. 3.3 mi from Sevene Lakes Lodge. 1909.0 Comment
  SACT000087  Agrostis exarata D. Meyer 1984-6-10 Placer 436.0 Comment
  SEINET10268403  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2012-1 198895 Placer Northern Sierra Nevada Mountains: junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  UCD158903  Agrostis exarata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 s.n. Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD36660  Agrostis exarata Beecher Crampton 1955-6-15 2889 Placer Placer County, 2.5 miles north of Yankee Jims, at junction of Iowa Hill and Forest Hill Road. 609 Comment
  SEINET7249204  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2012-1 Placer Comment
  SACT000096  Agrostis exarata var. monolepis D. Meyer 1984-6-3 Placer 1.6 km N of Applegate, shady oak woodland moist area 606.0 Comment
  CDA13678  Agrostis gigantea G. F. Hrusa, J. Glazner 1997-8-3 14038 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Large rhizomatous colony on +- moist margin of ditch along Squaw Valley Rd. Comment
  SACT000182  Agrostis idahoensis Michael Baad 1976-8-7 Placer 2072.0 Comment
  UCD42819  Agrostis idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 185 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD42963  Agrostis idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 332 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD52969  Agrostis idahoensis A. A. Heller 1919-7-25 13293 Placer near the Yuba River belove Cisco. Comment
  UCD52992  Agrostis idahoensis Lewis S. Rose 1944-7-26 44272 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  UC1153829  Agrostis microphylla Beecher Crampton 1957-5-7 3998 Placer 1.7 mi e Lincoln Comment
  UCD37111  Agrostis microphylla Beecher Crampton 1957-5-7 3998 Placer Placer County, 1.7 miles east of Lincoln, road to Newcastle. Comment
  SEINET11695841  Agrostis microphylla Unknown 1957-5-7 3998 Placer 1.7 mi E of Lincoln, road to Newcastle Comment
  UC33985  Agrostis oregonensis C. F. Sonne Aug. 1892 2 Placer <Mts?> above Donner Lake Comment
  UCD53001  Agrostis oregonensis L. T. Burcham; H. W. Miller 1962-7-31 s.m. Placer 4 miles east of Ahart Camp Ground in French Meadows on upper middle fork of the American River. 1828 Comment
  UCD22260  Agrostis pallens Rex Palmer 1979-7-26 N 815 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD53249  Agrostis pallens E. Wilson 1934-8-5 s.n. Placer Near Cisco. Comment
  CAS-BOT-BC138719  Agrostis scabra Catherine Best 1981-8-2 s.n. Placer Sierra Nevada. Near Lower Hell Hole Reservoir. Comment
  UCD32810  Agrostis scabra Beecher Crampton 1964-7-21 7120 Placer Placer County, Cisco Grove, US Hwy. 40. Comment
  UCD53327  Agrostis scabra B. Crampton 1955-7-13 2984 Placer along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  CHSC73248  Agrostis stolonifera L. P. Janeway 1998-8-6 5976 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  SACT000202  Agrostis stolonifera var. major Michael Baad 1976-8-4 Placer Picayune Trail at end of Jeep road, two miles east of Talbot Camp, ne of mildred ridge 1975.0 Comment
  SACT000207  Agrostis stolonifera var. major D. Meyer 1983-7-30 Placer 1842.0 Comment
  SACT000221  Agrostis tenuis D. Meyer 1983-7-16 Placer 1624.0 Comment
  SACT000246  Agrostis variabilis D. Meyer 1983-7-30 Placer Moist areas on both sides of road. 2072.64 Comment
  SACT000252  Agrostis variabilis Michael Baad 1976-8-7 Placer 2072.64 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
  UCD53721  Agrostis variabilis R. Tofsrud 1951-7-1 s.n. Placer Hwy. 40, 5 mi. below Soda Springs. Comment
  CDA36921  Aira caryophyllea CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UC790971  Aira caryophyllea A. A. Beetle 1941-5-26 2710 Placer hillside near Cisco 914 Comment
  CAS-BOT-BC138377  Aira caryophyllea var. caryophyllea Gordon H. True 1971-4-21 6518 Placer On Roseville-Lincoln Highway ca. 5 miles north of Roseville. Comment
  CAS-BOT-BC445326  Alisma lanceolatum L. R. Abrams 1917-9-15 6760 Placer 3-5 mi above Auburn Comment
  RSA353527  Alisma triviale William Martin 1971-9-10 20221 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  RSA261493  Alisma triviale Karla Zancai 1972-5-13 48 Placer Hwy 65, 0.5 mi N of Lincoln City limits. Comment
  UCD150264  Allium bisceptrum James A. Neilson Jr. Date Unknown 1485 Placer Placer County?: Tahoe Basin. Exact location uncertain, possibly ward valley (Lat 39.140341, Long -120.21263). Comment
  UCD138499  Allium campanulatum J. M. Tucker 1975-7-29 4354 Placer ca. 1/2 mile south of Tinker Knob, ca. 8 miles (airline) southeast of Soda Springs. 2286 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-BC474082  Allium platycaule L. Smith 1926-5-26 1873 Placer Duncan Canyon, Tahoe Forest 1676 Comment
  CAS-BOT-BC474085  Allium platycaule John Thomas Howell 1943-7-21 18653 Placer Donner Pass at Mt. Lincoln Comment
  CAS-BOT-BC474086  Allium platycaule C. F. Sonne 1885-6-2 307 Placer Shingle Mill on Truckee River [location determined by other handwritten records], Sierra Nevada Mts Comment
  CAS-BOT-BC132121  Allium sanbornii var. sanbornii G. L. Stebbins, Jr. 1952-6-22 5100 Placer Along southeast bank of American River, 1 mile northeast of bridge on Colfax-Iowa Hill Road 350 Comment
  UCD138626  Allium sanbornii var. sanbornii G. L. Stebbins 1952-6-22 5100 Placer Southeast bank of American River, 1/2 mile northeast of bridge on Colfax-Iowa Hill road. 350 Comment
  UCD80412  Allium sanbornii var. sanbornii CNPS SN Foothill Team 2006-6-27 SNNR 0728 a Placer Placer Land Trust Shutamul Parcel, along the Bear River. 305 Comment
  UCR120245  Allophyllum gilioides subsp. violaceum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5031 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UC572283  Allophyllum integrifolium B. Bolt 1934-7-19 148 Placer Tadpole Spring, Tahoe Nat'l Forest Tahoe Nat'l Forest, Colfax Quad., Tadpole Spring 1950 Comment
  OBI39836  Alnus incana Joy H. Nishida 1985-7-10 793 Placer Homewood, Red fir forest 1829 Comment
  UC1135174  Alnus incana subsp. tenuifolia B. Bolt 1934-7-12 111 Placer Devil's Peak Tahoe National Forest, Truckee Quadrangle Comment
  UCD43246  Alnus incana subsp. tenuifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 615 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC171439  Alnus rhombifolia Mrs. Marian Campbell 1928-6-28 s.n. Placer Summit Comment
  UCR52246  Alnus rhombifolia Fay A. MacFadden 1934-7-8 12564 Placer Sierra Nevada Mtns., Bear River to Dutch Flat 976 Comment
  SACT002786  Alnus tenuifolia Michael Baad 1976-7-17 Placer 0.5 mile east of Five Lakes and 1.5 miles west of Alpine Medows Ski Area. OPen slopes of eroded granite. 2133.0 Comment
  CHSC97764  Amaranthus californicus Lowell Ahart 2007-11-13 14596 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
  UCD112896  Amelanchier pallida R. Prag 1973-6-26 s.n. Placer Ward Valley. Comment
  SEINET11910806  Amelanchier pallida J. H. Nishida 1985-1 767 Placer Homewood, Red Fir Forest 1829 Comment
  SEINET6190548  Amelanchier pallida P. A. Lehenbauer 1932-6-26 s.n. Placer Tahoe City Comment
  CAS-BOT-BC136767  Amelanchier utahensis A. A. Heller 1917-6-19 12729 Placer Emigrant Gap 1615 Comment
  JEPS118605  Amorpha californica Karen I. Callahan 2010-6-26 0017 Placer Northern Sierra Nevada Foothills. Shutamul Preserve of the Placer County Land Trust. North slope above the Bear River, NW of Highway 49 and S of the confluence of Wolf Creek with Bear River. Wolf 7.5' Quad. Comment
  CAS-BOT-BC213968  Amsinckia Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 3999 Placer 2.5 mi. s. of Bear River crossing on road to Auburn 335 Comment
  UCD119604  Amsinckia intermedia Lynn Gould 1962-3-18 7 Placer Base Line Road, 4 miles W of Roseville. Comment
  UC726189  Amsinckia lycopsoides A. A. Heller 1940-4-8 15532 Placer 4 mi s Lincoln (along U.S. Hwy 99E) Comment
  JEPS113104  Amsinckia menziesii var. menziesii Lowell Ahart, Brian Williams 2007-4-13 13635 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
  UCD117535  Anagallis arvensis M. H. Mills 1996-4-12 152 Placer at 5830 Walden Lane, Loomis. 180 Comment
  UC1125511  Anaphalis margaritacea B. Bolt 1934-7-17 132 Placer Robertson Flat; Colfax Quad. 2011 Comment
Read comments
Jun 18 2014
  CAS-BOT-BC64274  Anaphalis margaritacea D. S. Smith 1925-8-12 1696 Placer Forest: Tahoe. Last Chance Ridge 1859 Comment
  SEINET14147949 Image available Anaphalis margaritacea F. A. MacFadden 1934-7-28 2944 Placer Donner Lake Comment
  UCR146673  Andropogon glomeratus Beecher Crampton 1960-11-2 5802 Placer Sierra Nevada foothills, 1 mile east ['southeast'] of Auburn; north slope above North Fork of American River along State Highway 49 305 Comment
  CAS-BOT-BC137793  Andropogon virginicus var. virginicus Beecher Crampton 1957-3-28 3911 Placer Base of the retainning wall of Folsom Lake along the road to Auburn, 3.5 miles northeast of Folsom. Comment
  CAS-BOT-BC137794  Andropogon virginicus var. virginicus Beecher Crampton 1955-5-7 3999 Placer Roadbank, along US Highway 40, about 3 miles east of Auburn. Comment
  CAS-BOT-BC128577  Androsace occidentalis Marcus E. Jones 1882-4-29 s.n. Placer Emigrant Gap Comment
Read comments
Sep 29 2017
  JEPS20407 Image available Androsace occidentalis var. simplex Marcus E. Jones 1882-4-29 Placer Emigrant Gap Comment
Read comments
Sep 29 2017
  RSA125348  Angelica breweri P. H. Raven 1958-6-14 13210 Placer West side of Donner Pass 2165 Comment
  UCD21840  Angelica breweri Beth Lowe Corbin 1982-8-12 330 Placer Onion Creek campground. In wet soil along streambank. Perennial herb 2 1/2' high. Flowers whitish. Full sun. SW facing slope, 5% incline. Occasional. 1841 Comment
  CAS-BOT-BC63970  Antennaria argentea G. B. Grant 1906-7-15 6943 Placer Tahoe Tavern Comment
  CAS-BOT-BC63973  Antennaria argentea C. F. Sonne 1886-7-4 162 Placer On Truckee River Comment
  CAS-BOT-BC77285  Antennaria microphylla Geo. B. Grant 1906-7-15 7026 Placer Tahoe Tavern Comment
  JEPS59458  Antennaria rosea Ezra Brainerd and Viola B. Baird 1915-7-15 193 Placer Five Lakes; Sierra Nevada Mts. 2298 Comment
  CDA1723  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer Sierra Nevada Mtns.; near Cisco, Elev. 3000 ft. Comment
  JEPS5182  Antirrhinum vexillocalyculatum subsp. intermedium Rimo Bacigalupi 1951-7-20 3891 Placer 2 mi e Forest Hill (Volcano Creek, overlooking the Middle Fork canyon of the American River); Volcano Creek 762 Comment
  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
  UC9012  Aquilegia formosa C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  UCR231847  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2010-8-11 16756 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  CAS-BOT-BC397896  Aquilegia formosa R. K. Wellman 1981-5-15 034 Placer Highway 89 4.5 mi. N. of Truckee. 1676 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
  UCR270693  Arabis John F. Emmel 1998-7-9 1571 Placer Sierra Nevada Mountains, Donner Pass area, south peak of Mt. Judah 2513 Comment
  UCR191106  Arabis holboellii var. pinetorum George K. Helmkamp, E. A. Helmkamp 2007-6-12 12325 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  CDA16805  Arabis platysperma G. F. Hrusa, J. Glazner 2001-7-15 15944 Placer Sierra Nevada; Near summit of Crows Nest Pk. immed. W of Sugarbowl. 2346 Comment
  UCD20193  Araucaria columnaris Jack McCaskill 1968-10-19 s.n. Placer Laguna Beach, in front of private residence, 1251 North Beach Highway. Comment
  UC1120807  Arbutus menziesii N. French, R. Clar 1933-5-19 59 Placer near Iowa Hill 822 Comment
  POM105934  Arceuthobium campylopodum Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  POM120643  Arceuthobium tsugense Marcus E. Jones 1881-07 s.n. Placer Emigrant Gap. Comment
  UCR170824  Arctostaphylos manzanita subsp. manzanita George K. Helmkamp, E. A. Helmkamp 2005-9-30 9942 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  CAS-BOT-BC24246  Arctostaphylos mewukka W. R. Dudley 1909-8-16 s.n. Placer Monte Vista, Dutch Flat. Comment
  UCD52464  Arctostaphylos mewukka John Thomas Howell; Gordon H. True 1968-6-9 44505 Placer 1066 Comment
  CAS-BOT-BC40044  Arctostaphylos nevadensis A. A. Heller 1917-6-17 12695 Placer Near the Yuba river below Cisco. 1676 Comment
  UC481535  Arctostaphylos nevadensis G. W. Fetters 1929-6-11 Placer Pomin's Lake Tahoe Comment
  RSA121256  Arctostaphylos nevadensis N. H. French 1934-6-1 397 Placer N Fork of N Fork of American River 1250 Comment
  CAS-BOT-BC42103  Arctostaphylos patula W. R. Dudley 1909-8-16 s.n. Placer Near Clark's Dutch Flat 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
  UC481592  Arctostaphylos patula Mrs. H. L. Saul June, 1931 Placer Gold Lake Comment
  UCD21477  Arctostaphylos patula Rex Palmer 1979-5-27 N 64 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD52816  Arctostaphylos viscida D. H. Hartmann 1941-10-11 s.n. Placer 4 mi. west of Auburn. Comment
  SEINET7268599  Arctostaphylos viscida L. R. Miller 1934-6-23 s.n. Placer Above Colfax 914 Comment
  SEINET7268722  Arctostaphylos viscida C. Bell 1962-3-17 37 Placer 2 miles east of Auburn, above north fork of American River 244 Comment
  CAS-BOT-BC47056  Arctostaphylos viscida subsp. viscida Carl B. Wolf 1930-10-11 1733 Placer Near Alta. 1127 Comment
  POM202780  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11121 Placer 3 miles above Colfax near the road. Comment
  POM209626  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-12 A- 2 Placer 3 miles above Colfax. Comment
  POM212065  Arctostaphylos viscida subsp. viscida C. B. Wolf 1930-10-11 1733 Placer Near Alta. 1128 Comment
  RSA252141  Arctostaphylos viscida subsp. viscida Gary D. Wallace 1974-12-21 1340 Placer 1 mi W. of Colfax. 659 Comment
  RSA254297  Arctostaphylos viscida subsp. viscida Gary D. Wallace, R. F. Thorne, L. DeBuhr, A. Tatsuno 1975-4-13 1422 Placer Sierra Nevada, Baxter exit off Hwy. 80 between Alta and Blue Can. 1207 Comment
  RSA637027  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24924 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  UC1121448  Arctostaphylos viscida subsp. viscida N. French 1934-6-1 395 Placer N. Fork of N. Fork of American River Tahoe National Forest, Colfax Quadrangle Comment
  UC674747  Arctostaphylos viscida subsp. viscida C. H. Merriam 1911-11-4 Placer Colfax Comment
  UC876563  Arctostaphylos viscida subsp. viscida Fay A. MacFadden 1934-3-25 12411 Placer Dutch Flat 1066 Comment
  RSA0050352  Arctostaphylos viscida subsp. viscida Wm. Martin 1971-9-10 20208 Placer Vicinity of Applegate, 7 miles E of Auburn. Comment
  UC852450  Arenaria congesta var. suffrutescens A. A. Heller 1917-6-19 12741 Placer Emigrant Gap 1615 Comment
  JEPS59461  Arenaria kingii var. glabrescens Ezra Brainerd and Viola B. Baird 1915-6 197 Placer above Deer Park; Sierra Nevada Mts. Comment
  UCD56443  Aristida oligantha Beecher Crampton 1961-9-27 5995 Placer 1 mile west of Auburn, along US Hwy. 40. Comment
  SEINET6652458  Aristolochia californica A. Beninghoff 1930-3-15 2157 Placer 2 mi. N. Penryn Comment
  JEPS127457  Arnica chamissonis Steve Matson 1998-5-27 321 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 meters south of Highway 267, south of Martis Creek. Comment
  UC892075  Arnica cordifolia Alice Eastwood Jun 15 1912-Jun 19 1912 450 Placer Tahoe City Lake Tahoe Region Comment
  CAS-BOT-BC85174  Arnica mollis F. Almeda 1993-7-25 7295 Placer Soda Springs in the Sierra Nevada about 15 miles from Interstate Hwy #80 due SE of Donner Pass. 1920 Comment
  POM9976  Arnica mollis E. Keyes 1920-08 s.n. Placer Lake Tahoe. Comment
  CDA13688  Arnica parryi G. F. Hrusa, J. Glazner 1997-8-3 14048 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. 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
  CAS-BOT-BC85017  Artemisia arbuscula subsp. arbuscula A. A. Heller 1917-8-13 12914 Placer Ridge northwest of Donner Pass on an open stony slope below a ledge of igneaous rock. 2346 Comment
  UCD43091  Artemisia douglasiana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 459 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43168  Artemisia douglasiana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 537 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC193588  Artemisia dracunculus C. F. Sonne 1884-9-14 Placer road to Tahoe Comment
  UCD21694  Artemisia ludoviciana Beth Lowe Corbin 1982-8-5 254 Placer Onion Creek campground. 1841 Comment
  UC1119428  Artemisia rothrockii N. French 1934-6-22 462 Placer 1/2 mi w Lake Van Norden; Tahoe National Forest, Truckee Quadrangle Comment
  CAS-BOT-BC97300  Artemisia tridentata subsp. tridentata George H. Ward; Ann Ward 1949-9-12 948 Placer along Truckee River, ca. 8 mi. N of Tahoe City Comment
  SACT000352  Arundo donax Josephine Van Ess 1977-4-27 Placer Loomis, collected on Rippery Road where flume crosses road at top of the hill. Very small plant. 140.2 Comment
  SACT000350  Arundo donax var. donax D. Meyer 1984-6-23 Placer Intersection Of Iowa Hill Rd and the American River, rocky river bank. 352.0 Comment
  UC1221758  Asarum lemmonii Beecher Crampton 1958-6-24 4964 Placer ca. 3 miles west of Baxter Comment
  UC849086  Asarum lemmonii Marcus E. Jones 1882-6-29 3499 Placer Emigrant Gap Comment
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Apr 7 2018
  UC1123520  Asclepias cordifolia G. T. Nordstrom 1934-6-20 125 Placer Mammoth Spring Tahoe National Forest, Colfax Quadrangle Comment
  SEINET5743350 Image available Asclepias cordifolia C. L. Richardson 1972-1 142 Placer 0.2 mile north of I-80 on Lake Arthur Road, ca. 6 miles north of Auburn.; Auburn 610 Comment
  UC879052  Asclepias fascicularis Marcus E. Jones, A. M. 1882-7-8 Placer Auburn Comment
  CDA16998  Aspidotis densa G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16051 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  POM120737  Aspidotis densa Marcus E. Jones 1882-6-27 5 m-11-26 Placer Emigrant Gap. Comment
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Sep 7 2010
  RSA715286  Aster George K. Helmkamp, E. A. Helmkamp 2005-9-30 9948 Placer Northern High Sierra Mountains: junction of Chalet and Alpine Meadows Roads west of CA-89 (near Alpine ski area) 2081 Comment
  UCR209725  Aster foliaceus var. parryi George K. Helmkamp, E. A. Helmkamp 2009-8-12 15434 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
  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
  UCR146921  Aster oregonensis subsp. californicus Beecher Crampton 1961-9-27 6020 Placer Sierra Nevada Mountains, Blue Canyon, railroad right-of-way 1431 Comment
  SCFS1127  Asteraceae E. Krimmel 2013-6-13 Placer NFAm. Split stop #2. Comment
  SCFS1203  Asteraceae E. Krimmel, F. Felix 2013-5-19 Placer NFAm. 0.1-m E. of Heath Falls overlook, in trail. Comment
  SEINET5324976  Astragalus andersonii F. H. Hillman s.n. Placer Between Truckee and Tahoe Comment
  CAS-BOT-BC178756  Astragalus canadensis var. brevidens A. A. Heller 1917-8-13 12904 Placer Near Summit hotel in granite. 2133 Comment
  RSA523952  Astragalus gambelianus Barbara J. Ertter, David Thompson 1989-4-8 8160 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  UC62493  Athyrium distentifolium var. americanum C. F. Sonne July 1887 Placer above Coldstream Mt Anderson; Sierra Nevada Mts 2438 Comment
  RSA692528  Athyrium filix-femina subsp. cyclosorum May N. Ackley 1953-1 4943 Placer [no locality information provided] Comment
  CAS-BOT-BC17415  Athysanus pusillus L. S. Smith 1926-4-16 1779 Placer Tahoe Forest. Forest Hill Divide. Road to Sugar Pine. 1097 Comment
  SEINET4560811  Baccharis pilularis George K. Helmkamp, E. A. Helmkamp 2010-1 17031 Placer Northern Sierra Nevada Mountains Foothills: Sugar Pine Road at the southwest corner of Sugar Pine Reservoir near the dam 1128 Comment
  SDSU6483  Balsamorhiza deltoidea D. F. Howe 1948-5-23 1859 Placer American River. 305 Comment
  JEPS32252  Balsamorhiza macrolepis R. F. Hoover 1939-5-10 4092 Placer Lincoln Comment
  UC30517  Balsamorhiza sagittata J. Burtt Davy Jun 25 1897-Jun 30 1897 3272 Placer between Truckee and Tahoe Truckee River Basin Comment
  CAS-BOT-BC16553  Barbarea orthoceras Marcus E. Jones 1882-6-28 2621 Placer Emigrant Gap. Comment
  CAS-BOT-BC16557  Barbarea orthoceras Saichi Kawahara 1969-7-6 1417 Placer Mel Henderson Ranch, east bank of Indian Creek. Swing near old cabin. 999 Comment
  UCR250689  Barbarea orthoceras George K. Helmkamp, Mary Alice Barnes 2013-4-18 20353 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
  CAS-BOT-BC16550  Barbarea orthoceras Lewis S. Rose 1944-7-25 44261 Placer Lake Tahoe. Chambers Lodge. 1920 Comment
  SEINET5783763 Image available Barbarea vulgaris Marcus E. Jones 1882-1 2621 Placer Emigrant Gap Comment
  UCD129459  Bidens frondosa Beecher Crampton 1975-9-9 9276 Placer Gold Run rest area along Interstate Hwy. 80 W. 914 Comment
  UCR190711  Bidens frondosa George K. Helmkamp, E. A. Helmkamp 2007-9-14 12955 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCR253810  Bidens frondosa George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20105 Placer Sacramento Valley, north of William Lane on an unnamed levee road to Markham Ravine 35 Comment
  SEINET4176621  Bistorta bistortoides L. Miller 1934-5-20 s.n. Placer Between Truckee and Tahoe Comment
  RSA655456  Blennosperma nanum Beecher Crampton 1953-2-11 974 Placer 3/4 mile north of Lincoln. Comment
  UC136184  Boechera acutina C. F. Sonne 1897-7-4 Placer on road to Tahoe Bear Valley Comment
  JEPS53134  Boechera covillei C. F. Sonne Jul 1887 1390 Placer Mountain Meadows on Truckee River Truckee River Comment
  UC117957  Boechera covillei C. F. Sonne Jun 1894 Placer above Donner Lake; Sierran Nevada Mountains Comment
  UCD22351  Boechera lyallii Rex Palmer 1979-7-12 N 644 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC14404  Boechera platysperma A. A. Heller 1903-7-20 6975 Placer Donner Pass. 2133 Comment
  CAS-BOT-BC14639  Boechera rectissima Lowell Ahart 1969-7-30 s.n. Placer Ahart Camp, French Meadow. 1524 Comment
  UCD22344  Boechera retrofracta Rex Palmer 1979-6-19 N 240 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC17214  Boechera rigidissima Arnold Tiehm 1974-8-8 524 Placer Sierra Nevada. Juniper Creek. 2407 Comment
  UCD149417  Boechera suffrutescens G. Ledyard Stebbins 1976-7-6 7693 Placer Bunker Hill. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR193310  Boykinia occidentalis George K. Helmkamp, E. A. Helmkamp 2007-5-30 12191 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River 800 Comment
  UC175390  Brickellia greenei Miss Helen D. Geis 1909-8-1 Placer Deer Park, Tahoe District Comment
  UCD57385  Briza minor Ted Niehaus 1959-5-3 104 Placer 1/8 mile north of Granite Bay park. Folsom Lake. Comment
  SEINET10570657  Brodiaea Carl B. Wolf 1937-5-12 Wolfe 2799 Placer Sacramento Valley, 1 m N of Lincoln. Upper Sonorn:- Grasses. Sun, clay, open flats. 150 feet. Comment
  UCD77140  Brodiaea appendiculata Robert E. Preston 2004-4-25 2221 Placer Ca. 5 mi NW of Roseville, along Fiddyment Rd 32 Comment
  UCD163359  Brodiaea coronaria Robert E. Preston 2014-5-12 2961 Placer 2.1 mi SE of Sheridan, E of Old Hwy 65, S of Yankee Slough. 34 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
  CAS-BOT-BC457059  Brodiaea coronaria subsp. coronaria R. F. Hoover 1939-5-10 4095 Placer 2 miles se of Sheridan Comment
  UC194939  Brodiaea elegans subsp. elegans H. M. Hall 1916-6-21 10217 Placer below Applegate; Sierra Nevada Mountains, Lake Theodore Comment
  UCD13323  Brodiaea elegans subsp. elegans Kristy S. Howard 1989-6-3 160 Placer Dry creek rd. 365 Comment
  SEINET7067123  Brodiaea stellaris A. G. Vestal 1947-4-29 s.n. Placer Serpentine about 3.8 miles north of Auburn and 0.2 miles south of Elders Corner on Route 49. Coordinate datum: NAD27. UTM Zone 10, 664672mE, 4313245mN. Comment
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Jul 17 2018
  SACT000379  Bromus carinatus D. Meyer 1984-6-23 Placer 9.12 km from I80 Frontage road. 978.0 Comment
  UCD58249  Bromus carinatus Beecher Crampton 1955-6-15 2819 Placer 5.5 miles west of Iowa Hill. Comment
  UCD58262  Bromus carinatus Lewis S. Rose 1944-7-12 44094 Placer Chambers Lodge. Lake Tahoe. 1920 Comment
  CAS-BOT-BC155985  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer Near Cisco. 914 Comment
  CAS-BOT-BC155986  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer Near Cisco. 914 Comment
  SACT000531  Bromus diandrus D. Meyer 1983-5-7 Placer Roadside Comment
  SACT000533  Bromus diandrus D. Meyer 1984-4-15 Placer roadside appears to have been a vernal pool, dry 37.0 Comment
  SACT000495  Bromus hordeaceus D. Meyer 1983-4-17 Placer Small drainage ditch, moist sunny exposure 231.648 Comment
  UCR238586  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2012-3-31 18665 Placer Northern Sierra Nevada Mountains Foothills, Old Foresthill Road, 0.7 mile northeast of its junction with CA-49 and the American River Crossing 258 Comment
  SACT000600  Bromus laevipes Josephine Van Ess 1977-5-20 Placer Comment
  SBBG22700  Bromus laevipes M. S. Walters 1960-6-21 Placer Hwy 89 just S of Tahoe City, 0.3 mi S of Truckee River Bridge Comment
  SACT000646  Bromus madritensis Josephine Van Ess 1976-5-12 Placer Collected about 3/8 mile south of Highway 193 152.4 Comment
  HSC9325  Bromus madritensis subsp. rubens L. M. Malloy 1965-4-17 43 Placer 5 mi. W of Newcastle on Newcastle-Lincoln Rd. by Nakamura's pond Comment
  CDA15649  Bromus orcuttianus G. F. Hrusa, J. Glazner 1999-7-18 15197 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  SACT000623  Bromus orcuttianus Michael Baad 1983-7-15 Placer 1 mile east of junction with road tp Brushy Springs Station, open black oak, poderosa pine forest 1524.0 Comment
  SEINET3923248  Bromus orcuttianus Beecher Crampton 1964-7-21 7126 Placer Blue Canyon.; 0 1430 Comment
  UCD22238  Bromus orcuttianus Beth Lowe Corbin 1982-8-2 165 Placer Onion Creek Campground. S facing slope. Partial sun. Scattered clumps are common, but cover little percentage of area. In mixed conifer forest openings, in conifer duff over fine, sandy, granitic soil. Perennial with small, loose tufts. 1841 Comment
  UCD59245  Bromus orcuttianus Beecher Crampton 1959-7-8 5416 Placer Lake Tahoe, along State Highway 89. 1950 Comment
  UCD59271  Bromus orcuttianus Beecher Crampton 1956-7-17 3723 Placer Blue Canyon. 1432 Comment
  SEINET10523808  Bromus rigidus Alan A. Beetle 1941-5-26 Beetle 2718 Placer Near Cisco, shrubby hillside, sandy loam. Assoc. Festuca pacifica, megalura, Stipa lemmoni. 914 Comment
  SACT000716  Bromus rubens D. Meyer 1983-4-17 Placer Small drainage ditch moist sunny exposure 231.648 Comment
  SACT000725  Bromus rubens Michael Baad 1977-6-8 Placer 356.76 Comment
  SACT000728  Bromus rubens Michael Baad 1983-4-17 Placer 2.7 miles outheast of intersection descending to Middlefork of the American River, serpentine outcrop. 609.6 Comment
  UCD59653  Bromus secalinus Beecher Crampton 1953-5-26 1336 Placer Sunnybrook Farms, 2 miles north of Lincoln. Comment
  CAS-BOT-BC161571  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer Mount Lincoln south of Summit Valley. 2499 Comment
  SACT000766  Bromus tectorum Michael Baad 1983-5-5 Placer 1.2 miles southeast of Canyon Way descending to North Fork of the American River 548.64 Comment
  SACT000796  Bromus vulgaris D. Meyer 1984-7-29 Placer 1414.0 Comment
  UCD43047  Calamagrostis bolanderi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 416 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43041  Calamagrostis canadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 410 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET9097932  Calandrinia ciliata var. menziesii A. Tiehm, H. Mozingo, M. J. Williams, E. McPherson 1975-1 609 Placer One mile N of Lincoln. Comment
  SEINET9097649  Calandrinia ciliata var. menziesii W. D. Billings 1939-3-19 1195 Placer Sierra Foothills, 10 miles NW of Auburn. Comment
  CHSC96485  Callitriche heterophylla var. bolanderi Lowell Ahart; Brian Williams 2007-4-13 13669 Placer In shallow water, in and around a large vernal pool, just over the fence (west), 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. 41 Comment
  JEPS42836  Callitriche marginata W. L. Jepson 1938-4-5 18578 a Placer Sacramento to Auburn Comment
  CAS-BOT-BC85754  Calocedrus decurrens G. W. W. 1896-9-1 s.n. Placer Near summit Soda Springs Comment
  UCD22088  Calocedrus decurrens Beth Lowe Corbin 1982-8-25 419 Placer Onion Creek Campground. South facing slope, 15% incline. Full sun. In fine, sandy soil of mixed conifer forest. Tree 50 ft tall, with reddish, peeling bark. 1841 Comment
  UCD37504  Calocedrus decurrens Beecher Crampton 1960-11-2 5798 Placer town of Gold Run. 975 Comment
  SEINET5334885  Calocedrus decurrens R. Sumner 1949-4-15 107 Placer Tahoe Park, Lake Tahoe, Valley floor 1890 Comment
  CAS-BOT-BC438817  Calochortus albus George K. Helmkamp; Mary Alice Barnes 2013-4-18 20358 Placer Northern Sierra Nevada Mtns Foothills: Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar. 512 Comment
  UCD40936  Calochortus albus Sook Hong 1989-5-20 16 Placer 5-10 miles east of Auburn on Forest Hill Road. 652 Comment
  UCR250350  Calochortus albus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20358 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  CDA39303  Calochortus albus A. Drieth 1960-4-15 3963 Placer Near Newcastle. 0 Comment
  SEINET8194059  Calochortus albus D. F. Erskine 1941-4-13 12 Placer 5 miles E of Roseville. 76 Comment
  UC3364  Calochortus albus Mrs. King and N. D. Roberts 1892-5-1 Placer Comment
  JEPS111213  Calochortus leichtlinii Steve Matson 2005-7-4 1376 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek and west of Northstar subdivision; 39.2872 N, 120.1382 W: elevation 5,900 ft. 1798 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
  UCD150569  Calochortus leichtlinii James A. Neilson Jr. 1971-7-7 2204 Placer Tahoe Basin, Lower Ward Creek #102. 1905 Comment
  UCD22049  Calochortus leichtlinii Rex Palmer 1979-6-19 N 269 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR242374  Calochortus leichtlinii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16672 Placer Northern Sierra Nevada Mountains, Soda Springs Road, 0.3 mile north of its junction with Forest Hill Road at Robinson Flat 2024 Comment
  HSC15401  Calochortus leichtlinii R. G. Means 1962-6-28 47 Placer N end Lake Tahoe, near Placer County Admin. Bldg. 1921 Comment
  CAS-BOT-BC483464  Calochortus minimus M. S. Jussel 1928-7-22 s.n. Placer Velma Lakes, Lake Tahoe region Comment
  UCD19196  Calochortus monophyllus Heidi Pedersen; PLB 102 1987-5-23 22 Placer ca. 10 mi. past Forest Hill on Mosquito Ridge Rd. 466 Comment
  SEINET3364434 Image available Calochortus nudus Marcus E. Jones 1882-6-28 3300 Placer Emigrant Gap Comment
  UC569915  Calochortus nudus N. French 1934-5-28 370 Placer 1.5 mi w Black Mountain; Colfax Quad. 1767 Comment
  UC912594  Calycadenia multiglandulosa H. L. Mason 1929-10-4 5455 Placer 2.4 mi below Weimar Comment
  UCR51761  Calycadenia multiglandulosa David D. Keck 1932-6-30 1588 Placer Weimar Post Office 686 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
  UC1876157  Calycadenia multiglandulosa Gerald D. Carr 1971-8-15 634 Placer 4.1 mi N of Auburn on Hwy 49. 426 Comment
  UC419713  Calycadenia multiglandulosa Mrs. H. P. Bracelin 1930-10-12 101 Placer 1st summit n of, on Georgetown Rd. Colonia Comment
  UC88980  Calycadenia multiglandulosa unknown 1892-6-29 Placer near Auburn (Cool Station) Comment
  UC88986  Calycadenia multiglandulosa T. S. Brandegee 1889-7-6 Placer Towles Comment
  POM298237  Calycadenia multiglandulosa subsp. bicolor D. D. Keck, J. Clausen 1932-7-1 1590 Placer 2 miles north of Auburn 427 Comment
  UC146080  Calycadenia truncata Katharine Brandegee 1908-7-1 Placer Cape Horn Comment
  UC419712  Calycadenia truncata Mrs. H. P. Bracelin 1930-10-12 99 Placer n of Colusa (on Georgetown Road) Comment
  OBI20159  Calyptridium monospermum David J. Keil 1978-7-23 12927 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  SBBG1921  Calyptridium monospermum E. R. Blakley 1960-9-4 3823 Placer hill 1 mi N of Carnelian Bay, Lake Tahoe 2072 Comment
  UC7771  Calyptridium monospermum A. M. Carpenter 1893-8 Placer Comment
  UC852125  Calyptridium umbellatum A. A. Heller 1917-8-13 12912 Placer Ridge nw of Donner Pass 2346 Comment
  UC148961  Calystegia malacophylla H. M. Hall 1910-7-4 8739 Placer Cisco Sierra Nevada Mountains, Cisco 1798 Comment
  CHSC114930  Calystegia occidentalis subsp. fulcrata Dale Woods 2010-8-12 Placer Finning Mill Road. One mile more or less to Hughes Mill. Road bank. Comment
  CHSC70246  Calystegia occidentalis subsp. occidentalis R. A. Schlising; T. Lane 1975-6-3 3165 Placer E of Auburn, at roadside of Hwy 49, just above crossing of American River. Comment
  UCD13219  Calystegia purpurata Charles Martin 1986-4-27 20 Placer California: Placer County. Folsom Lake, W end of Sierra Dr. in empty lot, near lake. 131 Comment
  CAS-BOT-BC418636  Calystegia vanzuukiae R. K. Brummitt; S. M. Namoff; K. Van Zuuk; B. Ertter 2012-6-12 22051 Placer Tahoe National Forest, 8.2 miles NE of Foresthill, on Sugar Pine Road 4.4 miles from Forest Hill Road 1170 Comment
  CDA19551  Calystegia vanzuukiae M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 243 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
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Jun 20 2014
  CHSC112054  Calystegia vanzuukiae R. K. Brummitt; S. M. Namoff, K. Van Zuuk, B. Ertter 2012-6-12 22051 Placer Tahoe National Forest,8.2miles NE of Foresthill on Sugar Pine Road 4.4 miles from Forest Hill Road. 1170 Comment
  UC1965410  Calystegia vanzuukiae R. K. Brummitt, S. M. Namoff, K. Van Zuuk & B. Ertter 2012-6-12 22052 Placer Tahoe National Forest, 7.9 miles NE of Forest Hill, on Sugar Pine Road 3.6 miles from Forest Hill Road, directly opposite Park Flat OHV staging area Comment
  UC1965415  Calystegia vanzuukiae R. K. Brummitt, S. M. Namoff, K. Van Zuuk & B. Ertter 2012-6-12 22053 Placer Tahoe National Forest, 7.5 miles NE of Forest Hill, on Finning Mill Road 5.6 miles from Forest Hill Divide Road Comment
  CAS-BOT-BC493373  Camassia quamash subsp. breviflora Elizabeth Parsons Hawver 1909-6-1 s.n. Placer Tahoe City, Lake Tahoe Region Comment
  RSA750421  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2008-9-15 14114 Placer along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  SEINET4691669  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2010-1 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
  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
  JEPS59466  Campanula prenanthoides Ezra Brainerd and Viola B. Baird 1915-7-31 203 Placer above Nevada City; Sierra Nevada 1524 Comment
  RSA456179  Campanula prenanthoides Wm. Martin 1971-9-10 20256 Placer 0.5 mile east of Alta off Hwy 80, toward Baxter. Comment
  UCD114162  Capsella bursa-pastoris Terri Williamson 1990-4-15 3 Placer 22587 Sunset Ridge Drive, Lake of the Pines. 365 Comment
  CHSC32008  Cardamine L. Ahart 1973-3-29 187 Placer Near Forest Hill. 457 Comment
  CAS-BOT-BC37247  Cardamine breweri Alice Eastwood 1909-1-1 126 Placer Lake Tahoe Region. Ward Creek. Comment
  CAS-BOT-BC37257  Cardamine breweri Arnold Tiehm 1974-8-8 519 Placer Sierra Nevada. Murphy's Meadow. 2407 Comment
  UCD22365  Cardamine breweri Rex Palmer 1979-7-26 N 835 A Placer Headwaters basin area of the North Fork of the American River Comment
  UCD44012  Cardamine breweri var. breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1378 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CDA13699  Cardamine cordifolia var. lyallii G. F. Hrusa, J. Glazner 1997-8-3 14059 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CDA19544  Cardamine hirsuta M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 225 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
  RSA794005  Cardamine pensylvanica George K. Helmkamp, E. A. Helmkamp 2012-2-23 18576 Placer Newcastle, along CA-193 (Newcastle Hwy), 0.1 mile southeast of its junction with Langs Hill Road, west of the junction with I-80, SW of Auburn 279 Comment
  JEPS72042  Cardamine pensylvanica Gladys L. Smith 1972-6-18 3146 Placer Alpine Meadows 2072 Comment
  CDA37681  Carduus nutans Robin Breckenridge 2003-7-25 s.n. Placer Boca Reservoir, Hirschdale. 0 Comment
  CAS-BOT-BC281744  Carduus pycnocephalus Chester Dudley 1940-6-1 s.n. Placer Near Placerville Comment
  CAS-BOT-BC281743  Carduus pycnocephalus J. H. Wilson 1968-6-6 s.n. Placer Dick Cook Rd, Loomis Comment
  CDA36752  Carduus pycnocephalus D. B. Joley 1976-4-21 9 Placer Loomis; northwest of Sierra College Blvd. and Del Mar Ave. 0 Comment
  UCD140989  Carex G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12067 Placer Northern Sierra Nevada Mountains: Sugar Pine Road, 0.2 mile northwest of Forest Hill Road. 1360 Comment
  UCD43085  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 453 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43871  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1237 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44540  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1906 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  JEPS49048  Carex abrupta Leland S. Smith 1926-6-10 1904 Placer near McMurray Lake (n of Bowman) 1828 Comment
  UCD44591  Carex alma C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1957 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 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
  CAS-BOT-BC18025  Carex athrostachya R. F. Hoover 1967-9-5 10839 Placer Carnelian Bay, Lake Tahoe. Comment
  CHSC74284  Carex athrostachya Susi Urie 1998-8-29 98 -173 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CAS-BOT-BC19395  Carex bolanderi Marcus E. Jones 1882-6-29 3535 Placer Emigrant Gap. Comment
  UC823307  Carex bolanderi Marcus E. Jones 1882-6-29 3535 Placer Emigrant Gap 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
  POM81103  Carex deflexa var. boottii Marcus E. Jones 1882-6-30 3307 Placer Emigrant Gap. Comment
  SEINET11630191  Carex deflexa var. boottii M. E. Jones 1889-1 s.n. Placer Emigrant Gap Comment
  SEINET5786402 Image available Carex deweyana Marcus E. Jones 1882-1 3535 Placer Emigrant Gap Comment
  POM80902  Carex exserta Marcus E. Jones 1882-6-28 2908 Placer Emigrant Gap. Comment
  CAS-BOT-BC20110  Carex feta Saichi Kawahara 1969-5-25 1032 Placer Near BM 2393, 'Nigger' george Ravine, Colfax - Iowa Hill Road. [locality name changed to Georges Ravine.] 729 Comment
  CAS-BOT-BC20168  Carex filifolia var. erostrata Marcus E. Jones 1882-6-18 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC20679  Carex fracta John Thomas Howell 1943-7-21 18647 Placer Donner Pass to Mt. Lincoln. Comment
  RSA35081  Carex fracta L. S. Rose 1944-7-10 44043 Placer Quail Lake, 3 miles W of Chambers Lodge Lake Tahoe. 2134 Comment
  CAS-BOT-BC28156  Carex hoodii Lewis S. Rose 1944-7-10 44059 Placer Chambers Lodge, Lake Tahoe. Comment
  UC826077  Carex hoodii Marcus E. Jones, A. M. 1882-6-28 3532 Placer Emigrant Gap Comment
  UCD162537  Carex hoodii Steve Matson 2003-6-21 804 Placer nSNH; Truckee River region; Sagehen Creek Field Station; between Johnson cabin and dirt road. 1950 Comment
  UC830176  Carex jonesii Alice Eastwood Jun 15 1912-Jun 19 1912 472 Placer Tahoe City Lake Tahoe Region Comment
  UCD42861  Carex lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 228 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43137  Carex lenticularis var. impressa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 505 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  POM81703  Carex lenticularis var. lipocarpa Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  CHSC72320  Carex luzulifolia L. P. Janeway 1998-9-18 6346 Placer Small meadow just below the Pacific Crest Trail about 2.4 mi north of Barker Pass; draining into North Fork Blackwood Creek. 2331 Comment
  UCD43337  Carex luzulina var. luzulina C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 705 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD42801  Carex microptera C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 167 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43382  Carex microptera C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 750 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC31833  Carex microptera John Thomas Howell 1938-8-2 14006 Placer 5 miles N of Brockway Comment
  UCD69246  Carex multicaulis D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. Mesic white fir forests. 1500 Comment
  UCR66601  Carex multicaulis C. L. Hitchcock 1940-5-7 6309 Placer c. 1 mi west of Baxter. Comment
  CAS-BOT-BC32061  Carex multicaulis R. K. Gierisch; D. H. Esplin 1969-7-11 3524 Placer Big Bend 1828 Comment
  CAS-BOT-BC32273  Carex multicostata John Thomas Howell 1943-7-21 18641 Placer Donner Pass to Mt. Lincoln Comment
  UC733659  Carex multicostata L. S. Smith 1928-6-1 2271 Placer near Walker's; Tahoe Forest, Blackwood 1950 Comment
  UCD42934  Carex multicostata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 303 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43373  Carex multicostata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 741 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD75690  Carex multicostata Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5139 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
  CHSC74298  Carex nebrascensis Susi Urie 1998-8-29 98 -153 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC74300  Carex nebrascensis Susi Urie 1998-9-2 98 -205 Placer Lake Tahoe Basin. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  RSA35109  Carex nebrascensis L. S. Rose 1944-7-25 s.n. Placer Chambers lodge, Lake Tahoe. 1921 Comment
  UCD43829  Carex nebrascensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1195 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  JEPS73190  Carex nigricans Gladys L. Smith 1972-8-25 3409 Placer e-facing slope below Watson Memorial (tr. to Granite Chief) 2529 Comment
  CAS-BOT-BC119587  Carex nudata Rimo Bacigalupi; George Ledyard Stebbins; Daniel Zohary; Juan Hector Hunziker; Alexander D. Hawkes; Friedrich Ehrendorfer; Howard C. Stutz 1952-7-19 3851 Placer Along N Fork of the American River, below Cape Horn sta. on the SP RR, 381 Comment
  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
  CHSC74134  Carex pellita Susi Urie 1998-8-28 98 -143 Placer Lake Tahoe Basin Management Unit, National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC84745  Carex pellita L. P. Janeway; B. Castro 2003-8-23 7968 Placer Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake; 3.1 km south-southwest of Barker Pass. 2106 Comment
  CHSC74013  Carex praegracilis Susi Urie 1998-8-18 98 -077 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  SEINET10707320  Carex preslii John Thomas Howell 1943-7-21 Howell 18633 Placer Donner Pass to Mt. Lincoln. Comment
  UCSB63736  Carex scopulorum var. bracteosa Jokerst, James 1986-7-13 Placer Trail from The Cedars; high Sierra Nevada SW of Donner Lake; in Sheet Valley; in basin 2133 Comment
  CHSC74310  Carex simulata Susi Urie; Eric Schroder 1998-9-10 98 -330 Placer Lake Tahoe Basin Management Unit. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  SEINET4285927 Image available Carex simulata K. Chung, Matson, S 2009-1 1078 Placer Lake Tahoe, north side Comment
  SEINET10751191  Carex simulata John Thomas Howell 1943-7-22 Howell 18696 Placer Summit Valley. Comment
  CAS-BOT-BC20684  Carex specifica Emily McPherson; Arnold Tiehm; Margaret Williams 1974-8-8 74 -P1-42 Placer Murphy's Meadow, 5 miles southeast of Hirschdale. 2316 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
  UCD42788  Carex spectabilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 154 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  POM80664  Carex stipata Marcus E. Jones 1882-7-1 3533 Placer Emigrant Gap. Comment
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  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
  SEINET10749869  Carex straminiformis A. Arthur Heller 1917-8-14 Heller 12927 Placer Mt. Lincoln south of Summit valley, elevation about 8200 feet on a steep gravelly slope, with a few scattered trees of Hesperopeuce Mertensiana near the crest. Comment
  CDA16979  Carex subfusca G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16034 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CHSC69942  Carex subfusca L. P. Janeway; Eric Schroder 1997-7-17 5249 Placer Tahoe National Forest. Meadow on southeast side of Fulda Creek at Forest Service Organizational Camp; about 1.2 mi south-southwest of Emigrant Gap. 1554 Comment
  CHSC73339  Carex subfusca L. P. Janeway; Eric Schroder 1998-9-16 6337 Placer Lake Tahoe Basin Management Unit. Small meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  CHSC74892  Carex subfusca Susi Urie; Eric Schroder 1998-9-8 98 -302 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
  UCD42867  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 234 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43330  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 698 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  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
  CHSC74315  Carex utriculata Susi Urie 1998-9-3 98 -225 Placer Lake Tahoe Basin Management Unit. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  CHSC74718  Carex utriculata Susi Urie; Eric Schroder 1998-9-11 98 -340 Placer Lake Tahoe Basin Management Unit. Antone Meadows: along Burton Creek, about 2.1 mi northwest of Lake Antone. 2072 Comment
  CAS-BOT-BC115401  Carex utriculata Catherine Best 1938-8-2 14001 Placer 5 mi N of Brockway Comment
  POM313110  Carex vesicaria Malcolm A. Nobs, S. Galen Smith 1949-8-21 1517 Placer Placer County: Marsh between sandy beach and Agate Bay, north end of Lake Tahoe Comment
  CAS-BOT-BC114925  Carex whitneyi John Thomas Howell 1943-7-27 18875 Placer Lake Tahoe near Tahoe Pines. Comment
  CAS-BOT-BC114926  Carex whitneyi Alice Eastwood 1912-6-15 474 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC114930  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
  UC710439  Carex whitneyi Lewis S. Rose 1944-7-26 44279 Placer Chambers Lodge Lake Tahoe 1920 Comment
  UCD74114  Carex whitneyi Jennifer W. Burt 2006-7-1 168 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from coniferous forest near abandoned ski runs. 2066 Comment
  SEINET7580529 Image available Carex whitneyi Unknown 1969-7-11 3523 Placer Tahoe, Big Bend. Comment
  UC830173  Carex whitneyi Alice Eastwood Jun 15 1912-Jun 19 1912 474 Placer Deer City Lake Tahoe Region Comment
  UC21989  Cassiope mertensiana subsp. californica A. M. Carpenter Aug 1892 Placer Sierra Nevada Mts. Comment
  SACT002854  Castanopsis sempervirens Michael Baad 1977-6-1 Placer Collected at trail head. 0.5 km north of Forest Hill Divide Road. 2 km north of Skunk Spring Comment
  SACT002855  Castanopsis sempervirens Michael Baad 1983-7-1 Placer 3 miles south of Blue Canyon Road junction with I80 on Blue Canyon Road. White fir- ponderosa pine forest. 1584.96 Comment
  JEPS1213  Castilleja Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4011 Placer s of Auburn (near bridge on Rt 49); North Fork American River 213 Comment
  UCR194698  Castilleja affinis subsp. affinis George K. Helmkamp, E. A. Helmkamp 2007-5-30 12201 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
  OBI9719  Castilleja applegatei Robert F. Hoover 1967-9-5 10830 Placer Carnelian Bay, Lake Tahoe Comment
  CAS-BOT-BC249702  Castilleja applegatei subsp. pinetorum Alice Eastwood 1912-6-15 359 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC249705  Castilleja applegatei subsp. pinetorum Alice Eastwood 1909-1-1 59 Placer Lake Tahoe Region, Sunnyside Comment
  CAS-BOT-BC249706  Castilleja applegatei subsp. pinetorum Marcus E. Jones 1930-7-10 25530 Placer Lake Tahoe Comment
  JEPS88828  Castilleja applegatei subsp. pinetorum T. I. and F. M. Chuang 1991-6-29 7840 Placer 3.6 mi sw Iowa Hill (on road to Iowa Hill) Comment
  UC1713294  Castilleja applegatei subsp. pinetorum Katharine Brandegee Jul 1911 Placer Donner 2133 Comment
  UCD122325  Castilleja attenuata M. H. Mills 1996-4-12 130 Placer 5830 Walden Lane, Loomis. 180 Comment
  JEPS72185  Castilleja lemmonii Gladys L. Smith 1972-6-20 3250 Placer just below Ward Peak Summit 2628 Comment
  JEPS9774  Castilleja miniata W. L. Jepson 1918-7-30 7731 Placer Tahoe; Lake Tahoe 1920 Comment
  UC174621  Castilleja miniata A. A. Heller 1909-7-16 9848 Placer Summit 2133 Comment
  UC198549  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  SJSU2187  Castilleja miniata H. T. Harvey 1958-8-19 Placer Sugar Bowl 1 mi E of Donner Summit 2164 Comment
  UCD44731  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2097 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD75752  Castilleja nana Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5219 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  CHSC74272  Castilleja tenuis Susi Urie 1998-9-4 98 -258 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  UCD21897  Castilleja tenuis Beth Lowe Corbin 1982-8-5 258 Placer Onion Creek campground. 1841 Comment
  UC1071509  Ceanothus N. French 1933-5-16 120 Placer 3 mi se Colfax; Colfax Quad. Comment
  SEINET5339456  Ceanothus W. D. Billings 1951-7-28 2133 Placer Dry slopes near Talbot home Camp, Deadman flat, west side of Sierra Nevada, 20 miles south of Soda Springs. 1676 Comment
  UC2014174  Ceanothus William Williams 1986-6-15 s.n. Placer Placer County: Norden. Hill at top of ski lift. Comment
  UCD162758  Ceanothus arcuatus Dylan O. Burge; J. Bisbee 2014-5-25 1637 Placer Soda Springs Road. 2009 Comment
  CAS-BOT-BC47852  Ceanothus cordulatus John F. Emmel 1971-7-11 378 Placer Donner Pass - In rocky area about 50 feet from a small steam. 0.2 air mile ENE of north end of Lake Mary 2158 Comment
  CAS-BOT-BC47862  Ceanothus cordulatus John Thomas Howell 1925-6-14 1152 Placer Lake Tahoe - Emerald Bay Camp 1889 Comment
  CAS-BOT-BC47891  Ceanothus cordulatus F. Almeda 1993-7-24 7273 Placer About 15 miles SE of Interstae Hwy #80 at Soda Springs on the trail to Upper Sheep Valley. 2133 Comment
  SCFS5099  Ceanothus cordulatus F. Felix, Erica Krimmel 2013-5-26 48 -B Placer North Fork/Chickering American River Reserve. 0.1 mile south of where Onion creek crosses Cedars Road. Comment
  UC496450  Ceanothus cordulatus Merle Randall 1930-6-26 Placer 3/8 mi from top Hawley Grade; Lake Tahoe Region Comment
  UC569782  Ceanothus cordulatus N. French 1934-5-24 361 Placer nfork of American River Colfax quad 1341 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
  SACT002915  Ceanothus cuneatus Josephine Van Ess 1975-3-25 Placer Collected at crest of hill near south end of Barton Road. Fruiting. Rocky outcrop. Comment
  UCD22200  Ceanothus fresnensis Rex Palmer 1979-5-27 N 82 Placer Headwaters basin area of the North Fork of the American River 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-BC50751  Ceanothus integerrimus Amelie Blyth 1952-5-11 9 -3 Placer On road bank, along Auburn-Forest Hill Road, about 14 miles from Forest Hill Comment
  SACT002926  Ceanothus integerrimus Michael Baad 1983-4-9 Placer Collected along roadside. 0.2 mile south from Auburn-ForestHill Highway. 6 miles east of bridge over American River, south-facing slope. Comment
  SCFS1001  Ceanothus integerrimus E. Krimmel 2014-6-26 Placer Road cut in switchbacks of Soda Springs road Comment
  CAS-BOT-BC50761  Ceanothus integerrimus Eleanor C. Still 1964-5-14 s.n. Placer Near the American River Comment
  SEINET5339325  Ceanothus integerrimus T. Weaver 1974-9-22 s.n. Placer 10 miles west of Kyburz, Hgy 10 1219 Comment
  CHSC59592  Ceanothus integerrimus var. californicus Gary H. Bolton 1975-5-24 40 Placer Auburn-Foresthill Road and Spring Garden Road intersection. Comment
  CAS-BOT-BC51039  Ceanothus integerrimus var. macrothyrsus Susie Peers 1929-5-1 s.n. Placer Colfax Comment
  SACT002943  Ceanothus lemmonii Michael Baad 1983-2-26 Placer On trail to Poor Man's Canyon on trail to El Dorado Canyon Comment
  CAS-BOT-BC63356  Ceanothus prostratus Mary E. Jump 1939-4-23 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63394  Ceanothus prostratus Brandegee 1889-1-1 76 Placer Blue Canyon. Comment
  CHSC78095  Ceanothus prostratus Caleb E. Casey 1999-5-16 Placer Sugar Pine reservoir, Forest Service road 26, along trail 11E26. Found on roadbank in Pinus ponderosa woodland. 1188 Comment
  JEPS72616  Ceanothus prostratus Gladys L. Smith 1972-6-19 3170 Placer roadbanks about Alpine Meadows Tahoe City 1898 Comment
  UC1071282  Ceanothus prostratus R. W. Lundh 1933-4-26 242 Placer 3 mi e Nigger Jack Hill; Tahoe National Forest, Colfax Quad. Comment
  UCD112643  Ceanothus prostratus Amelie Blyth 1952-5-11 9 -4 Placer One mile north of Forest Hill. Comment
  UCD112654  Ceanothus prostratus G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12054 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 11.1 miles northeast of Foresthill. 1463 Comment
  UCR208584  Ceanothus prostratus George K. Helmkamp, E. A. Helmkamp 2009-5-11 14656 Placer Sierra Nevada Mountains Foothills, junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill 1338 Comment
  OBI10378  Ceanothus prostratus var. prostratus H. E. McMinn 1941-8-23 5371 Placer About 1/2 way out of Blue Cyn to Hwy 40 Comment
  UC634570  Ceanothus tomentosus H. L. Mason 1926-5-29 3286 Placer Donner Pass Road near Alta; Donner Pass Road near Alta Comment
  RSA95357  Ceanothus tomentosus Hamilton Peers 1933-5-12 s.n. Placer Colfax Comment
  UC569880  Ceanothus velutinus N. French 1934-6-19 428 Placer 1/4 mi nw Devil's Peak; Tahoe National Forest, Truckee Quad. Comment
  CDA7271  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
  UC1119120  Centaurea melitensis C. R. Clar 1933-5-5 114 Placer e of Newcastle; Sacramento 182 Comment
  CDA39018  Centaurea solstitialis D. G. Kelch 2011-10-2 11 .811 Placer Gold Run rest stop. Comment
  UCD130112  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-28 11177 Placer north side of Hwy 40 freeway to Truckee, 0.5 mile east of Hamshire Rocks. Comment
  UCD20192  Centaurea stoebe subsp. micranthos A. M. Shapiro 2001-8-1 s.n. Placer Dutch Flat Powerhouse Road. 914 Comment
  OBI60153  Centaurium muehlenbergii David J. Keil, with Kathleen A. Keil 1999-7-17 28382 Placer Along N Fork of Cosumnes River at Little Canyon Road ford. 457 Comment
  RSA703908  Centaurium muehlenbergii C. Rose Broome 1978-8-2 2308 Placer 2.1 miles south of Old Auburn on Auburn-Folsom Highway. Comment
  CAS-BOT-BC222947  Cephalanthus occidentalis Carl B. Wolf 1930-10-11 1734 Placer Along Auburn Ravine, 2 miles below Auburn 365 Comment
  SEINET11170789  Cephalanthus occidentalis J. F. 1972-10-8 8230 Placer Auburn; along American River in fertile soil 762 Comment
  SEINET11170792  Cephalanthus occidentalis E. Rasmussen 1971-10-2 11 Placer Ground near bank of N. Fork American River 305 Comment
  CDA36894  Cerastium glomeratum CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UCR206367  Cerastium glomeratum George K. Helmkamp, E. A. Helmkamp 2009-3-11 14388 Placer Sacramento Valley, Ranch House Road, 0.2 mile south of Sheridan 37 Comment
  UCD130250  Chaenactis douglasii Tamara Kan 1992-7-30 s.n. Placer Silver Peak. 2377 Comment
  UCR242361  Chaenactis douglasii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16664 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  CAS-BOT-BC276710  Chaenactis douglasii var. douglasii Geo. B. Grant 1906-7-15 7023 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC276719  Chaenactis douglasii var. douglasii John Thomas Howell 1925-6-27 1191 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  CHSC83215  Chaenactis douglasii var. douglasii Donald W. Kyhos 1967-9-3 67 -90 Placer On Hwy 89, 2.3 miles south of Hwy. 80 on a bank just west of Hwy. 89. Comment
  UC1035483  Chaenactis douglasii var. douglasii Kay H. Beach 1940-6-30 813 Placer 5.6 mi e Emigrant Gap (on US 40); Sierra Nevada Mountains 1676 Comment
  UC1119684  Chaenactis douglasii var. douglasii N. French 1934-6-22 440 Placer 1/2 mi w of Lake Van Norden; Truckee 2286 Comment
  UCD149381  Chaenactis nevadensis G. Ledyard Stebbins 1969-7-20 6949 Placer Ridge south of the North Fork of the American River, between Sailor Canyon and Wildcat Canyon. (Exact location unknown. Coordinates estimated by label maker.) 1950 Comment
  UCD159407  Chaenactis stevioides D. S. Park 2010-7-7 177 -2 Placer Along N Lake Blvd. Bike trail near Lake Tahoe. Recent Fire. 1900 Comment
  JEPS81212  Chamaebatia foliolosa Douglas W. James Jr. 1973-5-27 116 Placer 7.5 mi from Forest Hill (off Auburn-Forest Hill Road, 11.2 mi from Highway 49) 655 Comment
  RSA647586  Chamaebatia foliolosa N. R. Zabriskie, W. M. Zabriskie 1973-6-7 669 Placer Emigrant Gap. 1616 Comment
  POM90078  Chamaebatia foliolosa Marcus E. Jones 1900-7-26 s.n. Placer Blue Canyon Comment
  SD243214  Chamaesaracha nana George K. Helmkamp, E. A. Helmkamp 2011-8-26 18185 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. Rocky flat at roadside. 2050 Comment
  UCR233401  Chamaesaracha nana George K. Helmkamp, E. A. Helmkamp 2011-8-26 18185 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
  UC196661  Chamaesyce nutans E. O. Amundsen 1916-9-3 Placer East Auburn Comment
  CDA35254  Chamaesyce ocellata T. C. Fuller 1958-7-7 1998 Placer 2 miles north of Roseville. 0 Comment
  CHSC97701  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
  UC1130424  Chamaesyce serpyllifolia B. Bolt 1934-7-22 160 Placer Chicken Hawk Camp 1280 Comment
  UC567054  Chamaesyce serpyllifolia B. Bolt 1934-7-22 160 Placer Chicken Hawk Camp 1280 Comment
  UCD21993  Chamerion angustifolium Beth Lowe Corbin 1982-8-3 186 Placer Onion Creek campground. In fine, sandy, granitic, rocky soil. Herb 4 1/2' high, simple stem, flowers reddish purple. Full sun. Southwest facing slope. Locally abundant. 1841 Comment
  SEINET215004  Chamerion angustifolium subsp. circumvagum Richard J. Patterson 1969-7-1 182 -16 Placer South of Interstate 80 along creek parallel to Casa Loma Road Alta. 975 Comment
  UCD44541  Chamerion angustifolium subsp. circumvagum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1907 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  RSA124752  Cheilanthes gracillima John H. Thomas, Hazelle A. Thomas 1956-7-22 6224 Placer Sierra Nevada, vicinity of Donner Pass, about 80 miles northeast of Sacramento 2134 Comment
  UCR200855  Chenopodium botrys George K. Helmkamp, E. A. Helmkamp 2008-9-15 14098 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  UCD67368  Chimaphila menziesii Leslie Goldberg 1992-6-6 13 Placer Grove of Big Trees. Shady forest near small creek. 1554 Comment
  UCD33394  Chloris verticillata Beecher Crampton 1967-7-26 8164 Placer 2.5 miles SW of Applegate, Interstate Hwy. 80, junction of Meadow Vista Road. 487 Comment
  UCR218121  Chlorogalum grandiflorum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16394 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  CAS-BOT-BC498813  Chlorogalum pomeridianum Mrs. H. M. Mitchell 1925-7-1 s.n. Placer Gold Run Comment
  CDA16989  Chondrilla juncea G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16042 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CDA42828  Chondrilla juncea G. F. Hrusa, M. Pitcairn 2015-7-16 18651 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 398 Comment
  CHSC96999  Chondrilla juncea L. P. Janeway 2007-7-8 9108 Placer Northern Sierra Nevada Foothills. Along Hwy 193 0.4 km east of Sierra College Blvd and 5.3 km east of Hwy 65 and Lincoln. Plants scattered along the edges of the road from Georgetown to Cool to Auburn to Lincoln. 87 Comment
  CHSC97002  Chondrilla juncea L. P. Janeway 2007-7-8 9106 Placer Northern Sierra Nevada Foothills. Along Hwy 49/193 2.2 road km east of Auburn, between Auburn and North Fork American River. Plants scattered along the edges of the road from Georgetown to Cool to Auburn to Lincoln. 293 Comment
  CHSC97012  Chondrilla juncea L. P. Janeway 2007-7-8 9107 Placer Northern Sierra Nevada Foothills. Along Hwy 193 0.6 km east of Newcastle. Plants scattered along the edges of the road from Georgetown to Cool to Auburn to Lincoln. 268 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
  UCD19109  Chondrilla juncea A. M. Shapiro 1987-6-6 s.n. Placer city of Auburn, Hwy 49 north of Elm St., in restaurant parking lot (Katrina's Kitchen). 365 Comment
  CAS-BOT-BC279799  Chondrilla juncea John Thomas Howell; Gordon H. True 1967-6-14 42594 Placer 1 mile ne. of Loomis 121 Comment
  UC1135253  Chrysolepis sempervirens D. Schlobohm 1934-10-2 2 Placer 2 mi s Truckee; Tahoe National Forest, Truckee Quad. 1859 Comment
  UCD110122  Chrysolepis sempervirens B. Crampton 1956-8-18 3765 Placer 2 miles north of Blue Canyon. 1524 Comment
  UCD21709  Chrysothamnus Rex Palmer 1979-6-9 N 139 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  RSA22369  Chrysothamnus nauseosus subsp. albicaulis L. S. Rose 1938-9-14 38258 Placer South Fork of Yuba River, Cisco 1616 Comment
  UCD130486  Cichorium intybus G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12949 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  POM32267  Circaea alpina subsp. pacifica Harriet Ann Walker 1908-7-27 1454 Placer Near to Iron Spring, Cisco. Comment
  UC128206  Circaea alpina subsp. pacifica Miss Harriet A. Walker 1908-7-27 1454 Placer near Iron Spring Cisco Comment
  UCD21710  Cirsium andersonii Beth Lowe Corbin 1982-8-3 204 Placer Onion Creek campground. In fine, sandy, granitic soil. Disturbed area of White Fir forest. Biennial. Flowers dark rose purple. Mostly sun. SW facing slope. Many plants localized. 1841 Comment
  CDA1069  Cirsium arvense T. C. Fuller 1964-5-18 11980 Placer W side of Dutch Flat Rd., 0.8 mi. S of Dutch Flat P.O. 0 Comment
  UCD21711  Cirsium vulgare Beth Lowe Corbin 1982-8-10 310 Placer Onion Creek campground. In disturbed soil along roadside. Coarse herb 3' high. Flowers purple. Full sun. South facing slope, 10% incline. Common. 1841 Comment
  CAS-BOT-BC438646  Cistanthe C. F. Sonne 1886-8-1 s.n. Placer Sierra Nevada Mountains. Mts above Coldstream 2590 Comment
  CAS-BOT-BC439026  Cistanthe monosperma A. A. Heller 1917-6-19 12740 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC439030  Cistanthe monosperma G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  CAS-BOT-BC439025  Cistanthe monosperma Alice Eastwood 1912-6-15 s.n. Placer Truckee, Lake Tahoe Region Comment
  UCD41254  Clarkia arcuata Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1711 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
  RSA495975  Clarkia arcuata L. D. Gottlieb 1988-5-1 8805 Placer East of Colfax, on Iowa Hill Road, 2.3 miles east of junction with Canyon Road, or 0.7 mile west of bridge over North Fork American River; site is just beyond sign Auburn State Recreation Area Comment
  UC930777  Clarkia biloba Alice Eastwood Jun 20 1912-Jun 22 1912 619 Placer Colfax Comment
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Sep 7 2010
  UCD104313  Clarkia biloba L. D. Gottlieb 1988-6-29 8837 Placer E of Colfax, on Iowa Hill Road, 1.6 miles E of Canyon Road. Comment
  CHSC98935  Clarkia biloba subsp. brandegeeae Samantha Mackey Hillaire 2007-6-7 1247 Placer North of Colfax, east side Hwy I-80, south of the Long Ravine railroad trestle. Between I-80 and the frontage road to the east. 658 Comment
  RSA122172  Clarkia biloba subsp. brandegeeae C. R. Clar 1933-5-6 115 Placer Near Newcastle. 183 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
  UCD104056  Clarkia dudleyana C. Condit 1933-7-15 s.n. Placer County Unknown: Grant's Park. Comment
  POM260291  Clarkia gracilis subsp. gracilis C. L. Hitchcock 1940-5-14 6393 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UCD71255  Clarkia purpurea Cathleen Chapton 1983-5-28 35 Placer American River Canyon. 213 Comment
  UC718218  Clarkia purpurea subsp. purpurea Carl B. Wolf 1937-5-12 8613 Placer 1 mi n Lincoln; Sacramento Valley 45 Comment
  UCR173272  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10436 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along Forest Hill Road, 1.8 mi. NE of its junction with Calif. Hwy 49 at the middle fork of the American River 370 Comment
  UCR194947  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, E. A. Helmkamp 2007-5-18 12037 Placer Northern Sierra Nevada Mountains Foothills, along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  SEINET3260811 Image available Clarkia purpurea subsp. viminea Marcus E. Jones 1882-7-3 3341 Placer Colfax. Comment
  UCR193338  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2007-5-30 12176 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  UC422927  Clarkia unguiculata W. W. Mackie 1904-4 Placer Newcastle Comment
  UC192281  Claytonia lanceolata E. L. Greene Jul 1895 Placer Summit Station Comment
  SEINET5336355  Claytonia parviflora subsp. grandiflora J. Elder 1961-3-18 s.n. Placer In a foothill woodland 5 miles southeast of Auburn on hillside above the American River. 366 Comment
  CAS-BOT-BC233843  Claytonia parviflora subsp. parviflora Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  CDA19550  Claytonia rubra M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 241 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
  UCD22157  Claytonia rubra subsp. rubra Rex Palmer 1979-6-19 N 215 Placer Headwaters Basin Area of the North Fork of the American River. Comment
  CAS-BOT-BC91455  Clematis lasiantha Annetta Carter 1937-4-25 1248 Placer Between Folsom and Auburn, 6.5 miles southeast of Loomis. 152 Comment
  UC1540469  Clematis lasiantha Annetta Carter 1937-4-25 1249 Placer 6 1/2 mi. s.e. Loomis (between Folsom and Auburn) 152 Comment
  UCD15157  Clematis lasiantha Phyllis Adams 1982-4-24 16 Placer California, Placer Co.; near the town of Auburn, in the American River Canyon; 365 Comment
  CDA12427  Collinsia parviflora G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8556 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCD162573  Collinsia parviflora Steve Matson 1998-5-3 193 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 0.9 miles north of Highway 267; 200 yards north of bridge over East Martis Creek. 1780 Comment
  RSA0117249  Collinsia parviflora Peter H. Raven 1958-6-14 13212 Placer West side of Donner Pass 2165 Comment
  UC26648  Collinsia sparsiflora var. collina H. N. Bolander 1865-4-10 4507 Placer Auburn Comment
  UCD123672  Collinsia sparsiflora var. sparsiflora J. J. Geibel 1965-5-19 13 Placer on Dollarhide Road, 3.5 miles east of Pope Valley. 670 Comment
  RSA785458  Collinsia tinctoria George K. Helmkamp, E. A. Helmkamp 2010-6-26 16369 Placer junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  SD237613  Collinsia tinctoria G. K. Helmkamp, E. A. Helmkamp 2010-6-26 16369 Placer Sierra Nevada Mountains Foothills: juncton of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax (Colfax 7.5'Q) 616 Comment
  JEPS4619  Collinsia tinctoria Rimo Bacigalupi 1952-7-20 3873 Placer 6 mi e Iowa Hill (just n of Shirttail Public Camp, near headwaters of Shirttail Creek); Tahoe National Forest 1127 Comment
  RSA780080  Collinsia torreyi Lyman Benson 1933-6-26 4528 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  SEINET2445247  Collomia grandiflora Beth L. Corbin 1982-8-4 246 Placer 1 mile NE of Onion Creek campground.; 0 1951 Comment
  RSA0039072  Collomia heterophylla George K. Helmkamp, Mary Alice Barnes 2013-5-3 20473 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  UCD118185  Collomia heterophylla J. M. Tucker 1975-5-24 4351 Placer Ca. 100 yards E of junction of Spring Garden Road with Auburn-Foresthill Road (or 3.7 miles W of Foresthill). 762 Comment
  JEPS71047  Collomia heterophylla L. S. Smith 1925-6-4 1622 Placer Forest Hill Tahoe National Forest 762 Comment
  UCSB17514  Collomia heterophylla Hardham, Clare 1961-6-14 Placer Baxter; Rte. 40 Comment
  JEPS111195  Collomia linearis Steve Matson 2005-7-4 1368 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
  UCD43075  Collomia linearis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 443 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  JEPS71313  Collomia linearis Gladys L. Smith 1972-6-18 3149 Placer open meadow Alpine Meadows 2072 Comment
  JEPS71068  Collomia tinctoria L. S. Smith 1925-7-14 1680 A Placer French Meadows Tahoe National Forest, Middle Fork American River 1828 Comment
  POM74897  Collomia tinctoria Marcus E. Jones 1882-6-29 10086 Placer Emigrant Gap. Comment
  SEINET9287480  Collomia tinctoria Unknown 2000-7-1 15598 Placer Summit Village, Truckee Comment
  SJSU9108  Corallorhiza maculata Robert L. Fisher 1959-6-28 Placer Yuba Gap, Hwy 40, near county line; Placer & Nevada county 1676 Comment
  UCD22692  Corallorhiza maculata Teresa Do 1990-5-19 15 Placer Butterfly Valley. 1097 Comment
  JEPS59469  Corallorhiza maculata Ezra Brainerd and Viola B. Baird July 5 - 27, 1915 207 Placer Truckee River Sierra Nevada Mts. 1920 Comment
  SEINET13679557  Cordylanthus mollis subsp. hispidus R. F. Holland, V. I. Dains 1982-8-16 1210 Placer Spring Valley, headwaters of Pleasant Grove Creek, ca 4 miles NW of Rocklin. 46 Comment
  CHSC41145  Cordylanthus pilosus subsp. hansenii J. D. Jokerst 1983-10-13 1922 Placer Canyon of the Middle Fork American River ca 600 feet above the river. Along road to Plumas Co Power Agency access road. Comment
  UCD123120  Cordylanthus tenuis P. Rodriguez-Rojo; D. Sanchez-Mata 1997-8-8 Placer Tahoe National Forest. Todd Valley-Forest Hill. Forest Hill Rd. 850 Comment
  JEPS86484  Cordylanthus tenuis subsp. tenuis L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6564 Placer ca. 5 mi se Donner Lake (above and e of Chickering houses); Sherman Chickering's Soda Springs holdings 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
  SD235031  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp, E. A. Helmkamp 2006-8-11 11212 Placer Northern Sierra Nevada Mtns. Foothills: along Forest Hill Rd., 8.7 miles northeast of Forest Hill. 1310 Comment
  POM146205  Cornus californica J. B. Feudge 1725 Placer W. of Immigrant Gap. 1524 Comment
  UCR146914  Cornus glabrata Beecher Crampton 1955-6-15 2866 Placer Sierra Nevada Mountains, head of Bunch Canyon, 3.5 mi. east of Weimar on road to Foresthill, 0.5 mi. south of US Hwy 40 671 Comment
  CHSC96762  Cornus nuttallii M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 227 Placer Forest Hill Divide. Placer County. UTM: 10S, 4329930 N, 0691823 E. Hughes Mill, along Finning Mill Rd, - 3 mi N of Forest Hill Rd, - 3 mi E of Forest Hill. 1066 Comment
  UC193323  Cornus nuttallii C. F. Sonne 1891-6-7 Placer ravine below Gold Run Comment
  UCD117177  Cornus nuttallii Jay A. Riegel 1954-5-22 48 Placer 5 miles south of Iowa Hill. 1371 Comment
  UCD14939  Cornus nuttallii John Warren 1977-6-4 44 Placer California, Placer Co.; 3.2 miles northwest of the junction with Interstate-80 along Highway 20; Comment
  UCSB50194  Cornus nuttallii Gray, John 1976-5-16 Placer On Mosquito Ridge Road; 12 miles east of Forest Hills; T 14N, R 12E, Sec. 30, NW 1/4 975 Comment
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Nov 9 2015
  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
  UCR170809  Cornus sericea subsp. sericea George K. Helmkamp, E. A. Helmkamp 2005-9-30 9934 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  JEPS50178  Cornus sessilis Elizabeth Price 1932-4-10 Placer Dutch Flat Comment
  UCD22726  Cornus sessilis K. Pinney 1975-5-24 163 Placer Big Trees. 1 mile south of French Meadows Rd. 1630 Comment
  CDA39023  Coronilla varia D. G. Kelch 2011-10-3 11 .818 Placer Tahoe City. Granlibakken Resort. Comment
  CAS-BOT-BC401884  Corydalis caseana subsp. caseana C. F. Sonne 1885-8-2 12 Placer Sierra Nevada Mts. On Truckee River Comment
  SDSU4788  Corylus cornuta var. californica D. R. Harvey 1960-5-29 Placer Between Michigan Bluff and Forest Hill. Comment
  CAS-BOT-BC290351  Crepis acuminata Geo. B. Grant 1906-7-15 7020 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC291525  Crepis intermedia Alice Eastwood 1909-1-1 57 Placer Sunnyside, Lake Tahoe Region Comment
  CAS-BOT-BC291526  Crepis intermedia M. S. Jussel 1928-6-25 s.n. Placer Tahoe City Comment
  JEPS111248  Crepis occidentalis Steve Matson 2005-6-11 1260 Placer Martis Valley, ca 3 miles southeast of Truckee, Martis Creek Lake National Recreatin Area; W of Parking Area; 39.3008 N, 120.1361 W; Elevation 5850 ft. 1783 Comment
  JEPS15342  Crepis occidentalis Alice Eastwood Jun 15 1912-Jun 19 1912 460 Placer Tahoe City Lake Tahoe Region Comment
  JEPS59439  Crepis occidentalis Ezra Brainerd and Viola B. Baird 1915-7-25 159 Placer Deer Park Sierra Nevada Mts. 1950 Comment
  UC485359  Crepis occidentalis Miss Helen D. Geis 1912-6 33 Placer Deer Park Comment
  UCR123378  Croton setiger George K. Helmkamp, E. A. Helmkamp 1999-6-29 5058 Placer Sierra Nevada Foothills, corner of Dry Creek Rd & Bowman Rd, near Nielsburg, 3 mi NE of Auburn beside I-80 & 1.5 NW of North Fork Lake on American River 457 Comment
  CHSC117461  Crypsis alopecuroides B. Castro; Jessica Boyt 2013-9-11 1999 Placer Northern High Sierra Nevada. Plumas National Forest;W edge of Frenchman Lake, at boat ramp NW of 'Lunker Point' site on maps. 1703 Comment
  JEPS111209  Cryptantha affinis Steve Matson 2005-7-4 1365 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
  JEPS71506  Cryptantha affinis Gladys L. Smith 1972-6-18 3166 Placer Alpine Meadows 2072 Comment
  UC857053  Cryptantha ambigua unknown 1286 Placer Summit Station 2121 Comment
  JEPS111164  Cryptantha echinella Steve Matson 2005-7-16 1396 Placer Tahoe west shore, technically just outside the Tahoe Basin, about 900 meters northwest of Barker Pass/PCT trailhead, just past where PCT crosses stream. 39.0800 N 120.2429 W; elevation 8,000 ft. 2438 Comment
  UC78490  Cryptantha flaccida K. Brandegee 1889-7-5 Placer Newcastle Comment
  UCR207860  Cryptantha flaccida George K. Helmkamp, E. A. Helmkamp 2009-4-22 14561 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  SDSU5399  Cryptantha flaccida D. F. Howe 1965-5-20 4056 Placer 3.5 miles north of Auburn. 457 Comment
  CAS-BOT-BC218775  Cryptantha humilis John Thomas Howell 1943-7-26 18845 Placer Mt. Lincoln Comment
  UC193757  Cryptantha humilis C. F. Sonne 1885-6-21 Placer Squar Valley, on Truckee River Truckee River Comment
  UCR218126  Cryptantha intermedia George K. Helmkamp, E. A. Helmkamp 2010-6-26 16401 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UC1046457  Cryptantha torreyana Rimo Bacigalupi and Lawrence Heckard 1951-8-9 3489 Placer 1.5 mi n Tahoe City (in canyon of Truckee River); Lake Tahoe Region, Truckee River 1828 Comment
  UCD75697  Cryptantha watsonii Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5146 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
  SEINET6429205  Cryptogramma acrostichoides A. A. Heller 1909-7-16 9837 Placer Summit 2134 Comment
  POM84452  Cuscuta californica Marcus E. Jones 1882-5-3 s.n. Placer Colfax Comment
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Sep 7 2010
  UC193939  Cynoglossum occidentale C. F. Sonne 1887-7-10 Placer between Truckee and Tahoe (on rd. to Tahoe) Comment
  CDA1947  Cynosurus echinatus J. H. Wilson 1963-6-13 Placer Old Hwy 40, east limits of Auburn. 0 Comment
  SACT000848  Cynosurus echinatus Michael Baad 1977-6-9 Placer At junction of Middle Fork of the American River and the Rubicon River 365.76 Comment
  SACT000859  Cynosurus echinatus 1930-5-29 Placer No determiner/collector available. 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
  CAS-BOT-BC113819  Cyperus niger var. capitatus Beecher Crampton 1952-11-9 922 Placer 1.5 miles S of Meadow Vista, 6 miles E of Auburn. Comment
  CAS-BOT-BC70558  Cystopteris fragilis John H. Thomas; Hazelle A. Thomas 1956-7-21 6142 Placer Sierra Nevada, vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  POM364994  Dactylis glomerata L. S. Rose 1944-7-12 44092 Placer Chambers Lodge, Lake Tahoe 1921 Comment
  SACT000870  Dactylis glomerata D. Meyer 1983-7-3 Placer 1227.3 Comment
  SACT000877  Dactylis glomerata 1925-5-29 Placer No determiner/collector listed. Comment
  RSA21165  Damasonium californicum Carl B. Wolf 1937-6-11 8774 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  RSA0115050  Danthonia californica Lyman Benson 1942-7-2 11247 Placer Highway junction 1 mile west of Truckee. Mt. Range: Sierra Nevada. 1828 Comment
  CHSC74155  Danthonia californica var. americana Susi Urie 1998-8-17 98 -047 Placer Lake Tahoe Basin-National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCD60695  Danthonia californica var. americana F. M. Reed and R. L. Pendleton 1907-7-25 1776 Placer Lake Tahoe Region, road near Modjiska Falls, Glen Alpine. 2042 Comment
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Jun 21 2012
  UCD60962  Danthonia californica var. americana Beecher Crampton 1964-7-21 7118 Placer 1/2 mile WNW of Cisco Grove, U.S. Hwy. 40. 1706 Comment
  UCD16137  Darmera peltata Sutton 1984-5-19 20 Placer 4 mi from Hwy 80 on Blue Canyon Rd. 1371 Comment
  UCD95711  Delphinium glaucum Murray Fowler 1961-8-8 s.n. Placer French Meadow, ca. 14 miles west of Tahoe Pines. 2133 Comment
  CAS-BOT-BC8860  Delphinium glaucum Charles Frederick Sonne 1896-8-16 s.n. Placer Canyon near Truckee Comment
  CAS-BOT-BC116089  Delphinium nuttallianum Betty J. jorgensen 1944-7-23 529 Placer Near Soda Springs Comment
  CAS-BOT-BC116094  Delphinium nuttallianum Alice Eastwood 1912-6-15 490 Placer Lake Tahoe region, Deer Park Comment
  UCR241330  Delphinium nuttallianum George K. Helmkamp, E. A. Helmkamp 2012-6-19 19237 Placer Northern Sierra Nevada Mountains, Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road 2055 Comment
  CAS-BOT-BC116093  Delphinium nuttallianum Charles von Geldern 1912-5-1 S.N. Placer American river Comment
  POM308734  Delphinium patens Betty J. Jorgensen 1944-7-23 529 Placer Near Soda Springs. Comment
  SDSU10058  Delphinium variegatum subsp. variegatum D. F. Howe 1948-5-21 1907 Placer 457 Comment
  UC112865  Dendromecon rigida Katharine Brandegee 1908-6-5 Placer Magra R. R. Station Comment
  UCD15609  Dendromecon rigida Lisa Montany 1985-5-18 28 Placer Mosquito Ridge Rd, 14.3 miles west of Forest Hill Rd. Comment
  UCD94651  Dendromecon rigida Beecher Crampton 1955-6-15 2900 Placer Placer County, 3 miles west of Iowa Hill. 914 Comment
  POM97713  Dendromecon rigida I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  RSA97471  Dendromecon rigida Beecher Crampton 1955-6-15 2900 Placer 3 miles west of Iowa Hill 915 Comment
  OBI22301  Deschampsia cespitosa Robert F. Hoover 1967-9-7 10859 Placer Antone Meadow Comment
  SACT000903  Deschampsia cespitosa D. Meyer 1984-7-21 Placer Moist roadside ditch and pine wooded area dense shade. 1927.0 Comment
  UCD43877  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1243 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SEINET10966581  Deschampsia danthonioides Lewis S. Rose 1946-6-23 Rose 46199 Placer Rainbow, n. of Cisco. 1737 Comment
  SACT000953  Deschampsia elongata D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT000936  Deschampsia elongata Michael Baad 1983-7-15 Placer Southeast quarter of Sec 35 Comment
  UCSC000321  Descurainia sophia Harriet A. Walker 2010-6-19 2139 Placer Truckee, in the street Truckee Comment
  UC112921  Dicentra formosa Katharine Brandegee 1908-6-5 Placer near Gold Run Comment
  CAS-BOT-BC402447  Dicentra formosa subsp. formosa Mrs. Chas. E. Miller 1916-8-30 s.n. Placer Emigrant Gap Comment
  RSA305921  Dicentra formosa subsp. formosa Fay A. MacFadden 1934-3-30 12415 Placer Dutch Flat. Comment
  SEINET5339633  Dicentra uniflora P. A. Lehenbauer 1926-4-25 1323 Placer Squaw Creek. 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
  RSA333573  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-11 22 Placer McCourtney Road, 1 mile S of Camp Far West Dam. 300 Comment
  SEINET8472303  Dichelostemma capitatum subsp. capitatum A. Streshley 1976-3-12 s.n. Placer South of Auburn, along the North Fork of the American River. 274 Comment
  UCD139199  Dichelostemma capitatum subsp. capitatum Craig P. Martz; Richard Sannar 1982-3-24 41 Placer both sides of Dowd road, 3 miles south of Sheridan. 30 Comment
  POM109908  Dichelostemma multiflorum Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  RSA21284  Dichelostemma multiflorum Carl B. Wolf 1937-5-12 8628 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  JEPS40711  Dieteria canescens var. shastensis Miss Helen D. Geis Jun 1 1912-Jul 1 1912 173 Placer Deer Park Comment
  UC912550  Dieteria canescens var. shastensis H. L. Mason 1932-9-9 7179 Placer Truckee Junction Comment
  SEINET188380 Image available Diplacus angustatus C. L. Hitchcock 1940-1 6397 Placer Meier Ranch, ca 6 mi N of Colfax 762 Comment
  SEINET14640303  Diplacus kelloggii C. L. Hitchcock 1940-1 6406 Placer 6 mi N of Colfax 762 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
  SEINET192850  Diplacus torreyi Lewis S. Rose 1941-1 41305 Placer Chamber's Lodge (McKinney), Lake Tahoe 1920 Comment
  CAS-BOT-BC151681  Diplacus torreyi Clare B. Hardham 1961-6-14 7356 Placer Baxter, Rte 40 - Sierra Nevada Mountains 1066 Comment
  SEINET14196716  Diplacus tricolor A. Beninghoff, C. Peterson 2863 Placer 5 miles S of Lincoln. Comment
  CAS-BOT-BC136198  Dodecatheon alpinum Alice Eastwood 1912-6-15 409 Placer Deer Park - Lake Tahoe Region Comment
  UCD80684  Dodecatheon clevelandii subsp. patulum CNPS SN Foothill Team 2005-4-11 SNFN 0103 c Placer Placer Legacy, Spears/Didion Ranch (Spear's Ranch), above Coon Creek, approximately 3 miles east of entry gate off of Garden Bar Road. 169 Comment
  RSA27893  Dodecatheon hansenii C. L. Hitchcock 1940-5-7 6342 Placer 1 mile west of Baxter. Comment
  SEINET8561743  Dodecatheon hansenii F. Brunetti 1962-3-17 s.n. Placer 2 miles E of Auburn, above North Fork American River. 274 Comment
  RSA305929  Dodecatheon hendersonii Fay A. MacFadden 1934-3-30 12422 Placer Dutch Flat. Comment
  UCR198045  Dodecatheon hendersonii Phyllis Adams 1982-4-20 10 Placer American River Canyon near the town of Auburn 396 Comment
  SEINET8561983  Dodecatheon hendersonii W. D. Billings 1939-3-19 1200 Placer 10 miles NW of Auburn. Comment
  JEPS14454  Downingia bicornuta var. picta R. E. Arp 1932-4-28 4 Placer Roseville Comment
  JEPS108482  Downingia bicornuta var. picta Lisa Schultheis 1995-5-22 167 -95 Placer MacClellan Air Force Basee Lincoln antennae site. N of Sacramento. N of Moore Rd. and W of Dowd Rd. Comment
  UC149012  Downingia montana H. M. Hall 1910-7-3 8736 Placer near Emigrant Gap; Sierra Nevada Mountains 1645 Comment
  CDA12294  Draperia systyla G. F. Hrusa 1989-5-2 7067 Placer Sierra Nevada; 6 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  UCD22274  Drymocallis glandulosa Rex Palmer 1979-6-20 N 334 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS127450  Drymocallis glandulosa var. glandulosa Steve Matson 2002-7-5 554 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west fork Snow Creek; western termination of Tiger Ave. Comment
  UC567172  Drymocallis glandulosa var. glandulosa N. French 1934-5-31 390 Placer one mi se Texas Hill; Colfax Quadrangle Comment
  SEINET6689834  Drymocallis glandulosa var. glandulosa K. Thorne, J. Chandler 1987-6-26 5416 Placer CA Hwy 27, 3.2 miles S of Brockway Summit. Comment
  CAS-BOT-BC527341  Drymocallis glandulosa var. reflexa Alice Eastwood 1909-1-1 116 Placer Sunnyside Comment
  CAS-BOT-BC527342  Drymocallis glandulosa var. reflexa A. A. Heller 1917-6-16 12681 Placer Near Dutch Flat 914 Comment
  UC70337  Drymocallis lactea C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  UC101043  Dudleya cymosa Mrs. M. M. Hardy 1893-1 Placer Comment
  UCSC000350  Dudleya cymosa W. W. Mackie 1904-5-4 s.n. Placer near Newcastle Comment
  UCR208541  Dudleya cymosa subsp. cymosa George K. Helmkamp, E. A. Helmkamp 2009-5-7 14610 A Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  UCD19111  Dysphania pumilio A. M. Shapiro 1987-10-16 s.n. Placer Southern Pacific Right-of-way. 2103 Comment
  CAS-BOT-BC113605  Eleocharis acicularis Ira L. Wiggins 1933-8-21 6787 Placer Shores of Lake Tahoe, near Tahoma Comment
  CAS-BOT-BC113431  Eleocharis bella Marcus E. Jones 1882-6-20 2905 Placer Emigrant Gap Comment
  CAS-BOT-BC113435  Eleocharis bella Saichi Kawahara 1969-7-6 1442 Placer West bank of Indian Creek, Mel Henderson Ranch. 987 Comment
  RSA0009475  Eleocharis bella Marcus E. Jones 1882-6-29 2905 Placer Emigrant Gap. Comment
  CHSC81832  Eleocharis engelmannii Lowell Ahart 2001-10-10 9352 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  CAS-BOT-BC113160  Eleocharis palustris Stanley Galen [S. Galen] Smith 1949-8-21 1508 Placer Marsh between Sandy Beach and Agate Bay, north end of Lake Tahoe Comment
  SACT001069  Elymus elymoides J. Sitts 1983-8-11 Placer Above tree line. Comment
  CDA12421  Elymus elymoides subsp. californicus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8550 Ab Placer Lake Tahoe; Upper Ward Valley, 4 miles SW of Tahoe City. Comment
  UC1132961  Elymus elymoides subsp. elymoides B. Bolt 1934-7-17 139 Placer 1/2 mi nw Sun Flower Hill (on Plot No. 215); Tahoe National Forest, Truckee Quadrangle 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
  SACT001136  Elymus glaucus Michael Baad 1983-6-26 Placer On Michigan Bluff Road. 1158.0 Comment
  UCD62275  Elymus glaucus A. A. Beetle 1941-5-25 2689 Placer 10 miles west of Colfax. Comment
  CHSC74338  Elymus glaucus subsp. glaucus Susi Urie; Eric Schroder 1998-9-8 98 -287 Placer Lake Tahoe Basin-National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UCR249598  Elymus glaucus var. glaucus George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20820 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  UCD36715  Elymus multisetus Beecher Crampton 1955-7-13 3004 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD62569  Elymus repens Tim Morgan 1999-7-19 PDR- 122364 6 Placer At Green Thumb Landscaping, 2865 Hillcrest Ave., Tahoe City. Comment
  UCD62596  Elymus sierrae A. A. Heller 1917-8-13 12919 Placer Ridge northwest of Donner Pass. 2377 Comment
  UCD62602  Elymus stebbinsii subsp. septentrionalis Beecher Crampton 1964-7-21 7128 Placer Blue Canyon. 1430 Comment
  CDA31731  Elymus trachycaulus Jim Jokerst 1986-7-13 2709 Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, stop along trail south of Middle Fork American River. 0 Comment
  UCD62736  Elymus trachycaulus subsp. subsecundus R. Tofsrud 1947-7-12 42 Placer Placer County. 1524 Comment
  UCD22261  Elymus trachycaulus subsp. trachycaulus Beth Lowe Corbin 1982-8-3 172 Placer Onion Creek Campground. SW facing slope. Full sun to partial shade. Moderately abundant. Open, dry meadow, more abundant toward the creek. In fine, sandy, granitic soil. Perennial bunchgrass, forming smallish clumps. 1841 Comment
  UCD43224  Elymus trachycaulus subsp. trachycaulus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 593 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SACT001153  Elymus triticoides Josephine Van Ess 1977-6-17 Placer Collected where Auburn Ravine where it crosses Moore Road. Flat area near stream. Light shade. 30.5 Comment
  CHSC74106  Epilobium brachycarpum Susi Urie 1998-8-25 98 -088 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  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
  JEPS129003  Epilobium brachycarpum Steve Matson 1997-7-25 2703 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/ Kings Beach; 30 m east of pond near highway. Comment
  UCR190657  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2007-5-23 12079 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
  UCR200879  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2008-9-15 14097 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  UCD150582  Epilobium campestre James A. Neilson Jr. 1971-8-13 2332 Placer Tahoe Basin, Lagoon road, Homewood. 1914 Comment
  JEPS111211  Epilobium ciliatum Steve Matson 2005-7-4 1373 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek and west of Northstar subdivision; southwest edge of wet meadow ;39.2871 N, 120.1407 W: elevation 5,900 ft. 1798 Comment
  SBBG5062  Epilobium ciliatum E. R. Blakley 1960-9-3 3819 Placer Kings Beach, Lake Tahoe 1903 Comment
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Jun 21 2012
  UCD21996  Epilobium ciliatum subsp. ciliatum Beth Lowe Corbin 1982-8-5 249 Placer Onion Creek campground. 1841 Comment
  UCD43115  Epilobium ciliatum subsp. ciliatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 483 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44585  Epilobium ciliatum subsp. ciliatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1951 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CDA25021  Epilobium densiflorum J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Moist area betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  SEINET4691683  Epilobium glaberrimum subsp. glaberrimum George K. Helmkamp, E. A. Helmkamp 2010-1 16794 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing. Comment
  CHSC74109  Epilobium hallianum Susi Urie 1998-8-28 98 -129 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CHSC74241  Epilobium hallianum Susi Urie 1998-9-4 98 -262 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
  UCD21992  Epilobium hallianum Beth Lowe Corbin 1982-8-23 406 Placer 2 miles WSW of The Cedars. 1981 Comment
  UCSC003237  Equisetum hyemale subsp. affine Unknown 1981-8-21 281 Placer On sand dune, shore of Lake Tahoe, Tahoe Vista. Lake Tahoe, Tahoe Vista 1890 Comment
  UCR258193  Eragrostis pectinacea var. pectinacea George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20043 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  SCFS1225  Eremogone E. Krimmel 2013-6-2 Placer North Fork American River, top of Foresthill Road. Comment
  CAS-BOT-BC174292  Eremogone congesta var. suffrutescens G. L. Stebbins 1977-7-1 7734 Placer Above Middle Fork, American River, near Last Chance 1371 Comment
  UCD75727  Eremogone kingii var. glabrescens Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5166 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
  CAS-BOT-BC286640  Ericameria bloomeri L. R. Abrams 1929-9-14 12162 Placer Homewood, west shore Lake Tahoe Comment
  CAS-BOT-BC294278  Ericameria nauseosa var. speciosa Catherine Best 1985-9-15 1143 Placer Near Sugar Pine Reservoir about 6 miles north of Foresthill 1158 Comment
  CAS-BOT-BC293279  Ericameria suffruticosa A. A. Heller 1917-8-13 12920 Placer Ridge northwest of Donner Pass 2377 Comment
  JEPS20180  Ericameria suffruticosa C. F. Sonne 1888-8-12 144 Placer Tinker's Knob Sierra Nevada Mountains, Tinker's Knob Comment
  UCD75953  Ericameria suffruticosa Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5200 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Large turnabout/parking area with off-road vehicle use. 2207 Comment
  RSA417737  Erigeron F. G. Mart 1934-07 s.n. Placer Red Mt. Comment
  JEPS126380  Erigeron bloomeri var. bloomeri Steve Matson 2000-6-17 431 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267 near parking area and picnic site, 400 yards W of parking lot. Comment
  JEPS41461  Erigeron breweri var. breweri W. L. Jepson 1918-7-30 7722 Placer Lake Tahoe; Tahoe 1920 Comment
  UC195563  Erigeron coulteri C. F. Sonne 1884-8-24 Placer canon above Coldstream Comment
  UCD43895  Erigeron coulteri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1261 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CHSC69471  Erigeron filifolius var. filifolius James D. Jokerst 1988-6-6 3007 Placer Long Creek Hydro Project, ca. 1 mi W of Ramsey Crossing, N of Long Canyon Creek. Comment
  CAS-BOT-BC300669  Erigeron foliosus var. hartwegii H. M. Hall 1916-6-4 10154 Placer Bear River at Gautier Bridge, northern Placer County, on the westerly slope of the Sierra Nevada 400 Comment
  UCD21595  Erigeron glacialis E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1258 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, descending ridge. 2200 Comment
  CAS-BOT-BC300823  Erigeron glacialis var. glacialis H. M. Hall 1910-7-11 8754 Placer Sierra Nevada Mountains. Near Cisco 1859 Comment
  UC896082  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12878 Placer Summit Valley 2118 Comment
  CAS-BOT-BC295209  Erigeron inornatus R. F. Hoover 1967-9-5 10831 Placer Cornelian Bay, Lake Tahoe Comment
  UC1950986  Erigeron inornatus var. inornatus G. K. Helmkamp, E. A. Helmkamp 2005-10-1 9980 Placer Northern Sierra Nevada Mtns.: NW of Lake Tahoe; Junction of Bear Creek Road and Big John Drive (ca 2.2 mi W of CA Highway 89 and just S of Alpine Meadows Road) Tahoe City 7.5' Quad Comment
  JEPS72167  Erigeron linearis Gladys L. Smith 1972-6-20 3219 Placer Ward Peak Ward Peak (steep exposed ridge from charilift terminus to ultimate summit peak) 2632 Comment
  CAS-BOT-BC295528  Erigeron miser G. L. Stebbins 1968-8-15 6857 Placer Devil's Peak, southwest of Soda Springs 2286 Comment
  POM160243  Erigeron miser C. T. Sonne 1897-08 s.n. Placer Above Donner Lake Comment
  UCR207111  Erigeron peregrinus subsp. callianthemus George K. Helmkamp, E. A. Helmkamp 2009-7-16 15230 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  UCD21885  Erigeron peregrinus var. angustifolius Beth Lowe Corbin 1982-8-10 291 Placer 3/4 mile WSW of Onion Creek campground. In fine, sandy and organic soil. Small meadow in White Fir forest. Ray flowers pale purple, disc yellow. Partila sun. SE facing slope, 10% incline. Common. 2023 Comment
  UC1124297  Eriodictyon californicum B. Bolt 1934-7-4 81 Placer Sawtooth Ridge; Tahoe National Forest, Colfax Quadrangle Comment
  UCD34549  Eriodictyon lobbii Beecher Crampton 1985-6-23 9994 Placer Placer County, North Shore Lake Tahoe, Stateline road. Comment
  UCD21942  Eriogonum Beth Lowe Corbin 1982-8-4 219 Placer 1/4 mile NW of Onion Creek campground. In rocky, fine, sandy soil. Opening in montane chaparral. Perennial forming a thick mat. Flowers creme colored. Full sun. SW facing slope, 15% incline. Uncommon. 1950 Comment
  SEINET9362765  Eriogonum elatum Unknown 2000-7-1 15631 Placer Summit Village, Truckee Comment
  SEINET5330422  Eriogonum lobbii W. D. Billings 1951-8-12 2142 Placer just W. of highway maint. Sta., Donner Summit, Sierra Nevada, 2195 Comment
  SEINET3282809 Image available Eriogonum lobbii var. lobbii George K. Helmkamp, E. A. Helmkamp 2009-8-12 15445 Placer Northern Sierra Nevada Mountains; Forest Hill Road, 26.1 miles northeast of the city of Foresthill. 2020 Comment
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Aug 14 2014
  UC849508  Eriogonum lobbii var. lobbii Alice Eastwood July 1909 228 Placer Squaw Creek Lake Tahoe Region, Squaw Creek Comment
  CAS-BOT-BC263701  Eriogonum luteolum var. pedunculatum Marcus E. Jones 1882-7-3 2840 Placer Colfax Comment
  RSA795075  Eriogonum marifolium George K. Helmkamp, E. A. Helmkamp 2011-8-26 18189 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 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
  CAS-BOT-BC263289  Eriogonum marifolium var. marifolium Alice Eastwood 1912-6-15 425 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC263293  Eriogonum marifolium var. marifolium James L. Reveal 1971-6-24 2479 Placer Truckee, between the High School and the baseball diamonds Comment
  SCFS11529123  Eriogonum nudum E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  POM105406  Eriogonum nudum var. deductum Marcus E. Jones 1881-7-9 s.n. Placer Emigrant Gap Comment
  UCR189628  Eriogonum nudum var. deductum George K. Helmkamp, E. A. Helmkamp 2007-7-27 12636 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  UCD100610  Eriogonum nudum var. nudum G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11216 Placer Northern Sierra Nevada Mtns; along Forest Hill Road, 8.7 miles northeast of Forest Hill. 1311 Comment
  UC84513 Image available Eriogonum rosense C. F. Sonne 1886-7-18 Placer Truckee River Sierra Nevada Mountains, Head of Squaw Valley, Truckee River Comment
  CAS-BOT-BC253062  Eriogonum roseum L. R. Abrams 1917-9-14 6753 Placer Between Roseville and Penryn Comment
  CAS-BOT-BC269933  Eriogonum spergulinum var. reddingianum A. A. Heller No date on label 12894 Placer Summit Station 2121 Comment
  CAS-BOT-BC269934  Eriogonum spergulinum var. reddingianum A. A. Heller No date on label 12894 Placer Summit Station 2121 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-BC269942  Eriogonum spergulinum var. reddingianum Alice Eastwood 1909-1-1 96 Placer Lake Tahoe Region. Sunnyside Comment
  CDA15882  Eriogonum spergulinum var. reddingianum G. F. Hrusa, L. Serafini 1993-6-29 11258 Placer S side of French Meadows Reservoir immediately below dam. Comment
  UCR207119  Eriogonum spergulinum var. reddingianum George K. Helmkamp, E. A. Helmkamp 2009-7-16 15241 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  UCD21943  Eriogonum umbellatum Beth Lowe Corbin 1982-8-4 240 Placer 1 1/2 miles NNW of Onion Creek campground. In rocky, fine, sandy soil. Talus slope. Flowers sulfur yellow with red lines on outside. Forming a loose mat at location. Full sun. East facing slope, 50% incline. Uncommon. 2286 Comment
  CHSC108662  Eriogonum umbellatum var. nevadense L. P. Janeway; B. Castro 2011-8-27 10682 Placer Northern High Sierra Nevada. West side of Hwy 89 across from Silver Creek Campground, about 11 km south of Truckee. 1850 Comment
  UCD21935  Eriogonum umbellatum var. nevadense Rex Palmer 1979-6-10 N 182 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22122  Eriogonum umbellatum var. nevadense Rex Palmer 1979-7-11 N 589 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET5332028  Eriogonum umbellatum var. torreyanum C. Pyle 1983-1 s.n. Placer East side of Silver Peak about 1.5 miles northwest of Squaw Valley. 2438 Comment
  CAS-BOT-BC262233  Eriogonum ursinum Marcus E. Jones 1882-6-1 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC262234  Eriogonum ursinum Kellogg 1870-6-10 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  JEPS14350  Eriogonum ursinum Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, D. Zohary, J. Hunziker, H. Stutz, F. Ehrendorfer 1952-7-20 3879 Placer n-facing serpentine slope just s Shirttail Public Camp (6 mi e of Iowa Hill); Tahoe Nat. Forest 1066 Comment
  RSA766455  Eriogonum ursinum Susan Hutchinson 1928-1 1162 Placer Emigrant Gap, Sierra Nevada. 1591 Comment
  UCR242366  Eriogonum ursinum var. ursinum 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
  CAS-BOT-BC300951  Eriophyllum lanatum L. S. Smith 1926-5-23 1831 Placer Tahoe National Forest. Above Bear River, Colfax Rd. 853 Comment
  CAS-BOT-BC301311  Eriophyllum lanatum var. croceum M. E. Jones 1882-6-27 s.n. Placer Emigrant Gap Comment
  UCD21717  Eriophyllum lanatum var. croceum Beth Lowe Corbin 1982-8-11 322 Placer 1 3/4 miles SW of Onion Creek campground. In rocky outcrop in montane chaparral. Ray and disc flowers yellow. Full sun. SE facing slope, 45% incline. Occasional. 1935 Comment
  UCD13357  Eriophyllum lanatum var. croceum Anne Marie Weyandt 1989-5-20 23 Placer near road cut. 914 Comment
  UC147601  Eriophyllum lanatum var. grandiflorum Harriet A. Walker 1908-6-24 1279 Placer Blue Canyon 1432 Comment
  UC31785  Eriophyllum lanatum var. grandiflorum C. F. Sonne 1891-5-17 17 Placer below Auburn; Sierra Nevada Mountains Comment
  UC507054  Eriophyllum lanatum var. grandiflorum Mrs. Helen Sharsmith 1933-5-14 E 21 Placer along the highway on filled-in ground Auburn Comment
  UC480764  Eriophyllum lanatum var. integrifolium W. C. Blasdale 1923-7-13 Placer top Ellis Peak; Lake Tahoe region, Ellis Peak Comment
  CHSC96499  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
  SEINET8526933  Erodium brachycarpum S. L. Sedillos 1976-3-13 s.n. Placer South of Auburn, along the north fork of the American River 274 Comment
  SD247377  Erysimum capitatum var. perenne George K. Helmkamp, E. A. Helmkamp 2012-6-19 19249 Placer Northern Sierra Nevada Mountains: Robinson's Flat, 27 miles east of Forest Hill at the end of Forest Hill Road. 2040 Comment
  CAS-BOT-BC55096  Erysimum perenne D. E. Breedlove 1962-6-13 3540 Placer Sierra Nevada. On steep bank of Truckee River, 7.0 miles south of Truckee. 1828 Comment
  UCD115051  Erysimum perenne Robert E. Preston 1984-6-13 458 Placer 4 km west of Sunnyside. 2074 Comment
  UCD150486  Erysimum perenne James A. Neilson Jr. 1971-5-27 2090 Placer Tahoe Basin, Brockway Springs. 1901 Comment
  CHSC53069  Erythranthe guttata L. P. Janeway 1989-6-30 3444 Placer Plumas National Forest. Along rd 24N49Y ca 0.4 mi W of Crocker Cr and Beckwourth-Genesee Rd (6.8 mi N of Beckwourth and 0.3 mi N of Crocker Guard Station). Plumas National Forest. 1798 Comment
  OBI49255  Erythranthe moniliformis Lewis S. Rose 1941-7-12 41308 Placer Chambers Lodge, (McKinney), Lake Tahoe 1920 Comment
  SEINET10528796  Erythronium californicum Charles L. Hitchcock 1940-5-7 Hitchcock 6310 Placer ca 1 mile west of Baxter. Comment
  CAS-BOT-BC505237  Erythronium grandiflorum A. A. Heller 1917-6-17 12685 Placer Granite rocks near the Yuba river below Cisco 1676 Comment
  UC1585966  Erythronium multiscapideum Barbara Ertter with David Thompson 1989-4-8 8170 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing, near rivulet at base of n-facing slope at edge of forest) 518 Comment
  RSA537540  Erythronium multiscapideum Barbara Ertter, David Thompson 1989-4-8 8170 Placer Iowa Creek Road ca. 2 miles from I-80 near entrance to Auburn State Recreation Area, at creek crossing 518 Comment
  UC197230  Erythronium multiscapideum C. F. Sonne 1891-4-5 Placer hillside below Bloomer cut; Auburn Comment
  UCD14318  Erythronium purpurascens Sutton 1984-5-19 17 Placer 4 miles down Blue Canyon Road from Highway 80, 30 yards in from the east side of the road. 1371 Comment
  SD248465  Eschscholzia caespitosa George K. Helmkamp, Elizabeth A. Helmkamp 2007-3-25 11709 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its juncton with CA-49 at the bridge of the junction of American River forks (Auburn 7.5'Q) 287 Comment
  CAS-BOT-BC403343  Eschscholzia californica Kate E. Phelps 1937-5-28 s.n. Placer Applegate Comment
  CAS-BOT-BC403344  Eschscholzia californica H. M. Hall 1917-3-9 10290 Placer Lincoln, Sacramento Valley Comment
  SEINET5339915  Eschscholzia californica L. Smith 1979-3-30 s.n. Placer 1 1/2 miles NE on Sisley Rd. off of Taylor Rd. in Penryn CA. Comment
  CAS-BOT-BC310377  Eucephalus breweri John Thomas Howell 1943-7-21 18656 Placer Donner Pass to Mt. Lincoln Comment
  SEINET4560812  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2011-1 18164 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2019 Comment
  UCD18255  Eucephalus breweri E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 467 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  UCR241343  Eucephalus breweri George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19826 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.5 mile north of Robinson Flat Campground, c. 26 miles NE of Foresthill, Tahoe National Forest 2043 Comment
  UCR246827  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2010-7-28 16656 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  CDA33332  Euphorbia epithymoides J. Honeycutt 2010-6-25 PDR# 1332623 Placer Tahoma; Hwy 89 right-of-way 0 Comment
  CAS-BOT-BC312161  Eurybia integrifolia C. F. Sonne 1885-8-19 149 Placer Truckee Comment
  CAS-BOT-BC312162  Eurybia integrifolia Alice Eastwood 1909-1-1 235 Placer Squaw Creek Comment
  OBI48623  Eurybia integrifolia Lewis S. Rose 1938-9-14 38264 Placer S Fork of Yuba River, 3 mi E of Cisco 1737 Comment
  UC203811  Eurybia integrifolia A. A. Heller 1917-8-13 12906 Placer near Summit hotel 2133 Comment
  UC193318  Eurybia radulina C. F. Sonne 1883-9-16 Placer Woods along Truckee River Truckee River Comment
  CAS-BOT-BC312166  Eurybia radulina Leland S. Smith 1926-5-25 s.n. Placer Mosquito Ridge burnt area, Tahoe National Forest Comment
  SCFS1234  Fabaceae E. Krimmel 2013-1 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Streamside where trail meets main river. Comment
  SEINET3271564 Image available Festuca dertonensis George K. Helmkamp, E. A. Helmkamp 2009-3-11 14387 Placer Sacramento Valley; Ranch House Road, 0.2 mile south of Sheridan 37 Comment
  SACT001169  Festuca occidentalis Michael Baad 1983-7-10 Placer Collected along road to Hellistor Point, open sugar pine forest. 1606.0 Comment
  UCR250081  Festuca perennis George K. Helmkamp, Mary Alice Barnes 2013-5-3 20498 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  UC1132003  Festuca rubra H. S. Yates 1936-8-9 5985 Placer 2 mi sw Martis Pk.; Truckee Quad. 2286 Comment
  SACT001199  Festuca subulata D. Meyer 1984-6-17 Placer Just south of bridge over American River 545.0 Comment
  SACT001204  Festuca viridula Michael Baad 1983-8-11 Placer Trail to Whiskey Camp. 3 miles west of Alpine Meadows. 2133.0 Comment
  SACT001208  Festuca viridula Michael Baad 1983-8-27 Placer 2072.64 Comment
  UCSB24095  Fragaria vesca Orr, K. 1966-4-5 Placer 2 miles south of interstate 80 on Applegate Rd. 853 Comment
  CAS-BOT-BC53543  Frangula californica subsp. tomentella Doris K. Kildale 1928-8-23 6644 Placer near Colfax Comment
  CAS-BOT-BC53547  Frangula californica subsp. tomentella W. R. Dudley 1909-8-20 s.n. Placer Dutch Flat Comment
  CAS-BOT-BC53550  Frangula californica subsp. tomentella C. Hart Merriam 1911-11-4 s.n. Placer Colfax Comment
  UCD13339  Frangula californica subsp. tomentella Kristy S. Howard 1989-6-3 250 Placer Placer Co.; Dry creek rd. T12N, R8E, Sect. 16, SW 1/4. Elev. 1200 ft. 365 Comment
  SD10096  Frangula rubra subsp. obtusissima Brandegee Sept 1888 Placer Blue Canyon Comment
  UCD121438  Frasera albicaulis var. nitida Forest Service 1917-5-1 s.n. Placer Or Plumas Co. Downieville. Comment
  UCD139655  Fritillaria agrestis Lynn Gould 1962-3-31 15 Placer 2 miles west of Roseville on Central Avenue. Comment
  CAS-BOT-BC504550  Fritillaria atropurpurea Alice Eastwood 1912-6-15 407 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC504445  Fritillaria recurva Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  CAS-BOT-BC504446  Fritillaria recurva Saichi Kawahara 1969-5-24 846 Placer Mel Henderson Ranch, Indian Creek 1005 Comment
  POM67221  Galium aparine Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  RSA0039077  Galium aparine George K. Helmkamp, Mary Alice Barnes 2013-5-3 20466 Placer SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  POM67604  Galium bifolium Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  UC28188  Galium bifolium Kellogg June 1870 Placer Cisco Comment
  SD235015  Galium bolanderi G. K. Helmkamp, E. A. Helmkamp 2006-8-11 11214 Placer Northern Sierra Nevada Mtns foothills: along Forest Hill Rd., 8.7 miles northeast of Forest Hill. 1310 Comment
  SEINET3157846  Galium bolanderi M. E. Jones 1882-8-30 sn Placer Emigrant Gap Comment
  UCR176261  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2006-8-11 11214 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  JEPS26652  Galium bolanderi Lauramay T. Dempster 1961-6-14 1442 Placer s-facing slope above Baxter Comment
  JEPS6434  Galium bolanderi R. Bacigalupi with A. Hawkes, J. Hunziker, G. Stebbins, D. Zohary and H. Stutz, and F. Ehrendorfer 1952-7-19 3860 Placer along river directly below Cape Horn (1/2 mi above bridge on Colfax-Iowa Hill rd); North Fork of the American River 381 Comment
  CDA16818  Galium grayanum subsp. grayanum G. F. Hrusa, J. Glazner 2001-7-15 15957 Placer Sierra Nevada; Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  JEPS111259  Galium grayanum var. grayanum Steve Matson 2005-7-16 1401 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
  POM303632  Galium grayanum var. grayanum J. T. Howell 1943-7-26 18840 Placer Mt. Lincoln. Comment
  CDA6665  Galium murale T. C. Fuller 1959-5-2 2407 Placer Warren Wilson property, Mt. Pleasant District, 5 miles northeast of Lincoln. 0 Comment
  CHSC74257  Galium trifidum var. pacificum Susi Urie; Eric Schroder 1998-9-11 98 -348 Placer Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CAS-BOT-BC178547  Garrya flavescens C. Hart Merriam 1911-11-5 s.n. Placer Gorge Station C.P.R.R., west slope Sierra Nevada 1219 Comment
  UCD66577  Gastridium phleoides Elizabeth Wilson 1940-5-1 Placer Auburn. Comment
  SD247469  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
  UCD22099  Gayophytum diffusum Rex Palmer 1979-7-25 N 681 Placer Headwaters basin area of the North Fork of the American River. Comment
  RSA122209  Gayophytum diffusum subsp. parviflorum B. Bolt 1934-7-17 129 Placer 1/2 mile south of Lost Emigrant Mine. 2073 Comment
  UC147607  Gayophytum diffusum subsp. parviflorum Harriet A. Walker 1908-6-25 1304 Placer Cisco 1810 Comment
  UCR201522  Gayophytum diffusum subsp. parviflorum George 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
  UCR229534  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17859 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  CHSC73057  Gayophytum heterozygum L. P. Janeway 1998-8-6 5987 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  OBI12035  Gayophytum heterozygum Robert F. Hoover 1967-9-5 10826 Placer Carnelian bay, Lake Tahoe Comment
  POM37952  Gayophytum heterozygum Marcus E. Jones 1882-7-3 s.n. Placer Alta Comment
  SEINET9323101  Gayophytum humile Unknown 1999-7-17 15128 Placer Martis Valley Comment
  JEPS72488  Gentiana calycosa Gladys L. Smith 1972-8-25 3439 Placer cirque n-face Granite Chief 2529 Comment
  UC22750  Gentiana calycosa C. F. Sonne 1887-8-7 Placer mtns above Coldstream; Sierra Nevada Mountains Comment
  SEINET8586235  Gentiana calycosa W. D. Billings 1951-8-21 2146 Placer Sierra Nevada, E of Granite Chief. 2499 Comment
  UC197392  Gentiana newberryi C. F. Sonne Sep 1894 Placer Summit Valley Sierra Nevada Mountains 2133 Comment
  CDA37050  Geranium molle CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 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
  JEPS59482  Geranium richardsonii Ezra Brainerd and Viola B. Baird 1915-7-12 228 Placer Donner Lake Sierra Nevada Mountains 1828 Comment
  UCD43183  Geum macrophyllum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 552 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44475  Geum macrophyllum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1841 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC459366  Geum macrophyllum Grant 1906-7-15 7022 Placer Tahoe Tavern, Lake Tahoe Comment
  JEPS127519  Geum triflorum var. ciliatum Steve Matson 1997-7-5 42 Placer nSNH: jMartis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north side of Hwy 267, 1 kilometer west of Martis Creek. Comment
  JEPS111132  Gilia capillaris Steve Matson 2005-6-11 1261 Placer Martis Valley, ca 3 miles southeast of Truckee, Martis Creek Lake National Recreatin Area; W of Parking Area; 39.3008 N, 120.1361 W; Elevation 5850 ft. 1783 Comment
  UCD19282  Gilia capitata Renee Shahrok 1986-6-24 16 Placer junction of Old Foresthill Rd. and Hwy 49. 195 Comment
  UCR232649  Gilia capitata subsp. pedemontana George K. Helmkamp, E. A. Helmkamp 2011-9-30 18342 Placer Northern Sierra Nevada Mountains Foothills, Diggins Hill Road at the south side of the Bear River Reservoir, 1.1 miles north of Dutch Flat 852 Comment
  SEINET9366804  Githopsis specularioides Unknown 2002-5-22 255 Placer Hughes Mill, along Finning Mill Rd, ~3 mi N of Forest Hill Rd, ~3 mi E of Forest Hill. Serpentine, open forest, bogs, flats, slopes. Disturbed considerably in past on lower area, flats than on upper slopes. Open serpentine flats on slopes above road. Comment
  RSA726430  Glinus lotoides L. Ahart 2007-11-13 14594 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 air miles northeast of Sheridan. 74 Comment
  CAS-BOT-BC283846  Glyceria borealis W. R. Dudley 1900-6-28 s.n. Placer Near Tallac Comment
  UCD66746  Glyceria borealis August L. Hormay 1932-7-8 Placer W side of Lake Tahoe, 6 miles S of Tahoe Tavern. Comment
  SACT001254  Glyceria elata D. Meyer 1984-7-21 Placer 7.5 km from Placer County line, moist shaded streambed. 9 miles from road. 1758.0 Comment
  SACT001258  Glyceria elata D. Meyer 1984-9-23 Placer Moist north-facing hillside seeping with water. 2109.0 Comment
  SACT001276  Glyceria striata Michael Baad 1983-7-10 Placer 6.1 miles south of townsite, open wet meadow. 1524.0 Comment
  JEPS103407  Gnaphalium palustre Lowell Ahart 2002-7-22 9877 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-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
  UC614816  Gnaphalium palustre Beryl O. Schreiber 1932-9-11 765 Placer road to Summit Comment
  UCD22066  Goodyera oblongifolia Beth Lowe Corbin 1982-8-20 400 Placer 1/2 mile west of Onion Creek Campground. 1950 Comment
  SCFS1153  Goodyera oblongifolia E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #6. Comment
  CHSC67756  Gratiola ebracteata James D. Jokerst 1986-4-14 2626 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. Comment
  CAS-BOT-BC314602  Grindelia hirsutula Saichi Kawahara 1969-5-25 1030 Placer Nigger George Ravine, near BM 2393, Colfax - Iowa Hill Road 729 Comment
  JEPS41921  Grindelia hirsutula L. S. Smith 1926-5-30 1875 Placer w slope Colfax Road; Tahoe National Forest 762 Comment
  UCD22126  Hackelia Rex Palmer 1979-6-21 N 419 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR562  Hackelia Frank C. Vasek 1955-6-29 265 Placer Sierra Nevada Mountains, Sugar Bowl, near Donner Pass [ski area, c. 1 mi. east of Lake Van Norden] 2141 Comment
  UCD22139  Hackelia micrantha Rex Palmer 1979-7-25 N 809 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC112818  Hackelia micrantha Katharine Brandegee July 1908 Placer Lake Van Orden Comment
  SCFS1202  Hackelia nervosa E. Krimmel 2014-4-21 Placer 200 yards south of Pt. Mariah warming hut Comment
  CAS-BOT-BC306526  Helenium bigelovii Brandegee No date on label s.n. Placer Cisco Comment
  CHSC69870  Helenium bigelovii L. P. Janeway; Eric Schroder 1997-7-17 5248 Placer Meadow on the southeast side of Fulda Creek at Forest Service Organizational Camp; about 1.2 mi south-southwest of Emigrant Gap. 1554 Comment
  SACT000811  Heleochloa schoenoides Josephine Van Ess 1976-8-11 Placer Collected on outskirts of Lincoln in dried pond near clay plant. Comment
  SCFS1114  Helianthella californica E. Krimmel 2013-6-13 Placer NFAm. Split stop #2. On trail to Heath Falls Overlook. Comment
  UC1069445  Helianthella californica subsp. nevadensis C. W. Hanks 1934-10-12 125 Placer 1 1/2 mi sw Truckee; Tahoe National Forest, Truckee Quadrangle Comment
  POM359824  Helianthella californica var. nevadensis F. G. Mart 1934-7-26 12906 Placer Foot of Red Mt. Comment
  CAS-BOT-BC314978  Hemizonella minima H. M. Hall 1910-7-11 8760 Placer Cisco Butte 1981 Comment
  SCFS1189  Hemizonella minima E. Krimmel 2014-4-21 Placer NFAm. Farthest rocky outcrop on Point Mariah Comment
  UC112823  Hemizonella minima Katharine Brandegee 1907-6-5 Placer near Cape Horn Comment
  UCD44454  Heracleum maximum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1820 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR219680  Herniaria hirsuta subsp. cinerea George K. Helmkamp, E. A. Helmkamp 2010-6-26 16373 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  POM65409  Hesperochiron californicus Carlotta C. Hall 1910-7-8 8747 Placer South fork of Yuba Canyon, about 17 km east of Cisco. 1920 Comment
  UC112844  Hesperochiron californicus Katharine Brandegee July 1908 Placer banks of Yuba R. a mile or so above Cisco; Yuba R. Comment
  UC635580  Hesperochiron californicus H. L. Mason 1933-5-28 7241 Placer Tahoe Meadows Comment
  UC193926  Hesperochiron pumilus C. F. Sonne 1887-7-11 Placer woods on Truckee R., on Pole Creek Truckee R., Pole Creek Comment
  CAS-BOT-BC403800  Hesperocnide tenella Lowell Ahart 1975-4-7 s.n. Placer Near Lincoln. In a field 1/4 mile north-east from the intersection of Wise Road and McCourtney Road which is north of Lincoln 39 Comment
  JEPS14032  Hesperolinon micranthum Rimo Bacigalupi with G. Stebbins, A. Hawkes, F. Ehrendorfer, J. Hunziker, D. Zohary and H. Stutz 1952-7-20 3871 Placer n-facing serpentine slope just s Shirttail Public Camp (about 6 mi e of Iowa Hill); Tahoe Nat. Forest 1097 Comment
  UCR231859  Hesperolinon micranthum George K. Helmkamp, E. A. Helmkamp 2010-8-11 16760 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  UCD85291  Hesperostipa comata Frederica Bowcutt 1994-7-22 1954 Placer Sierra Nevada Mtns., Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp. Proposed restaurant site. 2438 Comment
  CHSC107390  Heteromeles arbutifolia Blake McSorley 2010-3-19 Placer Hidden Falls near Auburn. 259 Comment
  SEINET3156757  Heteromeles arbutifolia M. E. Jones 1882-7-3 sn Placer Colfax Comment
  POM91578  Heteromeles arbutifolia Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  LA100707  Heterotheca villosa var. minor E. Stern; 1981-8-2 Placer The Cedars Comment
  UCD128379  Heuchera rubescens Albert Grigarick 2012-7-9 332 Placer Pacific Crest Trail. S of Donner Summit (Hwy 40). Approx. 100 yds S of the trailhead. 2200 Comment
  UC1127194  Heuchera rubescens var. glandulosa N. French 1934-6-19 424 Placer Devils Peak; Tahoe National Forest 2346 Comment
  UC570062  Heuchera rubescens var. glandulosa G. T. Nordstrom 1934-6-18 106 Placer n slope of Texas Hill 1584 Comment
  UC11368  Heuchera rubescens var. glandulosa Mrs. M. M. Hardy 1893-1 Placer Comment
  JEPS36579  Hieracium albiflorum L. S. Smith 1927-8-5 2143 Placer Robertson Flat Tahoe National Forest (n slope) 2346 Comment
  SEINET4691668  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2010-1 16784 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing. 1552 Comment
  JEPS71817  Hieracium horridum Gladys L. Smith 1972-8-25 3419 Placer se-facing slope Granite Chief 2651 Comment
  SEINET11259328 Image available Hieracium horridum W. D. Billings 1951-8-21 2148 Placer E. side of Granite Chief, Sierra Nevada 2621 Comment
  UCR176266  Hieracium scouleri George K. Helmkamp, E. A. Helmkamp 2006-8-11 11207 Placer Northern Sierra Nevada Mtns foothills, along the road to Clementine Lake, 0.8 mile north of Forest Hill Rd 422 Comment
  SD44648  Holcus lanatus Darley F. Howe 1951-5-2 2108 Placer Placer Co 456 Comment
  SACT001304  Hordeum brachyantherum Michael Baad 1983-8-21 Placer On road from Soda Springs. 2.2 miles west southwest of Interstate Highway 80 exit to Soda Springs. 2019.0 Comment
  SACT001305  Hordeum brachyantherum D. Meyer 1984-7-15 Placer 1909.0 Comment
  SACT001308  Hordeum brachyantherum Michael Baad 1976-7-21 Placer Lower southwest-facing slopes of peak. Southeast Soda Springs. 2377.0 Comment
  UCD43368  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 736 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 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
  CHSC69979  Hordeum brachyantherum subsp. brachyantherum L. P. Janeway; Eric Schroder 1997-7-17 5250 Placer Tahoe National Forest. Meadow on southeast side of Fulda Creek at Forest Service Organizational Camp; about 1.2 mi south-southwest of Emigrant Gap. 1554 Comment
  UCD22255  Hordeum brachyantherum subsp. californicum Rex Palmer 1979-7-9 N 445 Placer Headwaters basin area of the North Fork of the American River Comment
  SACT001349  Hordeum jubatum D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT001376  Hordeum leporinum D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT001381  Hordeum leporinum D. Meyer 1984-5-6 Placer 145.5 Comment
  SACT001383  Hordeum leporinum D. Meyer 1984-5-28 Placer Next to orchard. 206.0 Comment
  SEINET4670481  Hordeum murinum subsp. leporinum W. D. Billings 1940-3-31 1277 Placer Canyon of Yuba River, 5 miles southeast of Auburn Comment
  SEINET4670488  Hordeum murinum subsp. leporinum R. Oliver 1976-4-13 s.n. Placer Auburn 366 Comment
  SACT001358  Hordeum vulgare D. Meyer 1983-5-15 Placer Moist roadside ditch next to cultivated field. 20.0 Comment
  RSA789724  Horkelia fusca subsp. parviflora James R. Shevock 1985-8-9 11339 Placer Tahoe National Forest, Granitie Chief Wilderness. Along trail 16E10 in Picayune Valley. 2050 Comment
  JEPS127551  Horkelia fusca var. parviflora Steve Matson 2000-6-24 452 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, 400 m north of Hwy 267, 10 m west of Martis Creek. Comment
  CAS-BOT-BC537861  Horkelia fusca var. parviflora Alice Eastwood 1912-6-15 454 Placer Lake Tahoe region: Deer Park Comment
  CAS-BOT-BC537862  Horkelia fusca var. parviflora A. A. Heller 1917-8-13 12939 Placer Base of a cliff north of Summit hotel 2164 Comment
  CAS-BOT-BC537865  Horkelia fusca var. parviflora A. A. Heller 1917-8-15 12939 Placer Soda Springs station, lower end Summit Valley 2042 Comment
  CAS-BOT-BC537866  Horkelia fusca var. parviflora David D. Keck 1938-8-10 4905 Placer Tahoma Resort, Lake Tahoe 1905 Comment
  RSA451651  Horkelia tridentata Philip A. Munz 1934-8-10 12832 Placer Cisco. Comment
  SD81224  Horkelia tridentata Darley F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill 1096 Comment
  UCD38506  Horkelia tridentata Beecher Crampton 1955-7-13 3001 Placer Mountain flats and slopes along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  SD62127  Horkelia tridentata Darley F. Howe 1965-5-20 Placer Canyon on south side of north fork of American River near Yankee Jims 914 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-BC376329  Hosackia crassifolia var. crassifolia Greg de Nevers 1995-8-20 10769 Placer Lake Tahoe. 2164 Comment
  UCD106160  Hosackia oblongifolia R. Tofsrud 1951-7-1 s.n. Placer Hwy. 40, above Baxter 3/4 mile below drinking station. Comment
  SEINET5327467  Hosackia oblongifolia var. oblongifolia P. B. Kennedy, Samuel Bradford Doten 1901-8-15 406 Placer Bearman's camp, 6 mi from French meadows Comment
  SEINET5327561  Hosackia stipularis A. Allen 1950-5-20 46 Placer on the old Hwy 40 1/2 a mi W of Gold Run near a bridge 1067 Comment
  SEINET11259363 Image available Hulsea californica H. N. Mozingo 1972-10-8 s.n. Placer Floodplain of American River, 5 mi. N. of Auburn 457 Comment
  UCD111349  Humulus lupulus John Thomas Howell 1974-7-12 50610 Placer Emigrant Gap. 1615 Comment
  POM260118  Hydrophyllum occidentale C. L. Hitchcock 1940-5-7 6317 Placer 1 mile west of Baxter. Comment
  CHSC73049  Hypericum formosum var. scouleri L. P. Janeway 1998-8-6 5962 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UC871859  Hypericum formosum var. scouleri P. A. Lebenbauer 1932-9-5 Placer along Truckee R. near Tahoe City 1889 Comment
  RSA458264  Hypericum perforatum Wm. Martin 1971-9-10 20281 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  SD81186  Hypericum perforatum Darley F. Howe 1971-6-24 Placer 1.4 miles east of Forest Hill. 1096 Comment
  CAS-BOT-BC401267  Hypericum perforatum T. C. Fuller 1964-6-26 12253 Placer N. side of freeway, Interstate 80, to Donner Summit, 0.2 mi. w. of Gold Run, Sierra Nevada 762 Comment
  SEINET5343957  Hypericum perforatum M. J. Williams 1985-7-6 85- 63 -1 Placer Pacific Crest Trail between old and new Donner Summits, Sierra Nevada Comment
  UCD43173  Hypericum scouleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 542 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC23335  Ipomopsis aggregata A. M. Carpenter 1893-8 Placer Comment
  CDA15678  Ipomopsis aggregata subsp. aggregata G. F. Hrusa, J. Glazner 1999-7-18 15228 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1920 Comment
  SD3940  Ipomopsis congesta unknown 1915-5 Placer Donner Comment
  SBBG29834  Iris hartwegii C. L. Hitchcock 1940-5-7 6329 Placer 1 mi W of Baxter Comment
  UCD138732  Iris hartwegii subsp. hartwegii Eric Brenner; John Hunter 1996-5-26 009 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UCR253572  Iris hartwegii subsp. hartwegii George K. Helmkamp, Amy Barnes 2014-4-23 22798 Placer Sierra Nevada Mountains Foothills, Old Auburn-Foresthill Road, 1.7 miles northeast of its junction with CA-49 at North Fork American River 407 Comment
  UCR235503  Iris hartwegii subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2012-5-11 18942 Placer Foothills, northern Sierra Nevada Mountains, Finning Mill Road at the junction with Forest Hill Road 1136 Comment
  JEPS71902  Ivesia gordonii Gladys L. Smith 1972-8-25 3410 Placer trail to Granite Chief (about the base of Watson Memorial) 2590 Comment
  RSA531314  Ivesia gordonii Walter Wisura, T. Hayduk, Q. Junzhuan 1991-8-22 4541 Placer Squaw Valley beyond upper cable car stn. on top of rocky ridge. Comment
  SD237484  Juglans hindsii G. K. Helmkamp, E. A. Helmkamp 2009-8-22 15520 Placer Sacramento Valley; along CA-193, 5.3 miles east of Lincoln (Gold Hill 7.5'Q) 123 Comment
  OBI21159  Juncus amuricus R. F. Hoover 1967-9-5 10843 Placer Carnelian Bay, Lake Tahoe Comment
  UCD33744  Juncus articulatus subsp. articulatus Beecher Crampton 1972-7-26 8856 Placer ca. 1 mile west of Cisco Grove on Interstate 80. 1676 Comment
  UCD38905  Juncus articulatus subsp. articulatus Beecher Crampton 1959-7-23 5429 Placer Behind Placer Hills School, Meadow Vista. 533 Comment
  UCD43976  Juncus balticus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1342 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  POM111245  Juncus bufonius Marcus E. Jones 1882-7-4 s.n. Placer Colfax Comment
  OBI49318  Juncus bufonius var. bufonius Unknown 1882-7-4 2903 Placer Colfax Comment
  CHSC85723  Juncus chlorocephalus G. F. Hrusa; A. Juncosa, J. Hunter 1991-7-15 8511 a Placer Lake Tahoe Region. Seeps on S-facing slopes on N side of Ward Valley 4 m SW of Tahoe City. [Lat./long. on label is '39 8 N; 120 15 W']. 2300 Comment
  CHSC68067  Juncus confusus James D. Jokerst 1986-7-13 2698 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, camp area. Comment
  CHSC74142  Juncus confusus Susi Urie 1998-8-11 98 -023 Placer Lake Tahoe Basin Management Unit -- National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  JEPS1771  Juncus covillei var. obtusatus Friedrich Ehrendorfer 1952-7-20 Placer 6 mi e Iowa Hill; Shirttail Creek Comment
  UCD33726  Juncus ensifolius Beecher Crampton 1972-7-26 8831 Placer Placer County, Nyack Lodge. 1645 Comment
  UCD141463  Juncus exiguus G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12957 Placer Northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill. 942 Comment
  UCD43968  Juncus longistylis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1334 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  JEPS74117  Juncus mertensianus L. S. Smith 557 Placer Squaw Valley Comment
  UCD141616  Juncus nevadensis Frederica Bowcutt 1994-7-22 1958 Placer Sierra Nevada Mtns., Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp. Proposed restaurant site. 2438 Comment
  CHSC67715  Juncus occidentalis James D. Jokerst 1986-7-13 2716 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. 1859 Comment
  CDA15929  Juncus orthophyllus G. F. Hrusa, J. Glazner 1999-7-17 15180 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  RSA494793  Juncus orthophyllus Lyman Benson 1942-7-2 11244 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCD21847  Juncus parryi Rex Palmer 1979-5-27 N 83 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD43258  Juncus tiehmii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 627 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43376  Juniperus occidentalis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 744 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD75756  Juniperus occidentalis var. australis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5224 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
  POM281907  Juniperus occidentalis var. occidentalis Lyman Benson 1933-6-25 4540 Placer Cisco, U.S. 40, Sierra Nevada, Bear River watershed 1829 Comment
  UC565579  Keckiella breviflora Herbert L. Mason 1926-5-26 3272 Placer 5 mi above Auburn Comment
  UC886836  Keckiella breviflora var. glabrisepala C. L. Hitchcock 1940-5-14 6413 Placer ca 6 mi n Colfax (Meier Ranch) 762 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
  SCFS1152  Keckiella lemmonii E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  UC1518806  Keckiella lemmonii Fay A. MacFadden 1934-7-2 12570 Placer Alta North Fork of the American River (near Rawhide Mine) Comment
  LA208503  Kelloggia galioides L. S. Rose; 1941-7-21 41338 Placer Chambers Lodge (McKinnery), Lake Tahoe 1900.0 Comment
  UC1125659  Kelloggia galioides B. Bolt 1934-7-20 153 Placer Whiskey Hill; Tahoe National Forest, Colfax Quad. 1645 Comment
  UCD33506  Kochia scoparia Beecher Crampton 1969-10-9 8519 Placer ca. 2 miles east of Old Emigrant Gap post office on Interstate 80. 1584 Comment
  RSA0087952  Kopsiopsis strobilacea William Overton 1977-6-4 s.n. Placer Across tracks ca. 100 yards, on Secret Town Road, 0.9 mile from junction with Magra Road (which is northwest of the Magra Road-Secret Town offramp of Interstate 80), between Colfax and Gold Run. Comment
  SD62081  Lagophylla glandulosa subsp. serrata Darley F. Howe 1965-5-20 Placer 3.5 miles north of Auburn. Comment
  UCR218617  Lagophylla ramosissima Ken Osborne 2010-9-12 s.n. Placer Sierra Nevada Mtns. Foothills, North Auburn, Dry Creek Rd. just west of intersection with Bluegrass Dr. 396 Comment
  CDA37227  Lamium amplexicaule CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  RSA523611  Lasthenia californica Barbara Ertter, David M. Thompson 1989-4-8 8147 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  JEPS113285  Lasthenia glaberrima Lowell Ahart, Brian Williams 2007-4-13 13632 Placer Bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UC372674  Lathyrus jepsonii var. californicus Marcus E. Jones 1883-7-1 Placer Emigrant Gap Comment
  UC15330  Lathyrus jepsonii var. californicus Mrs. M. M. Hardy 1893-1 Placer Comment
  UCR240960  Lathyrus latifolius George K. Helmkamp, E. A. Helmkamp 2012-9-25 19911 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
  POM260125  Lathyrus nevadensis subsp. nevadensis C. L. Hitchcock 1940-5-7 6319 Placer 1 mile west of Baxter. Comment
  CHSC89283  Lathyrus sulphureus G. F. Hrusa; M. I. Wibawa, J. Glazner 2002-5-22 16053 Placer Sierra Nevada. Hughes Mill (site) above Foresthill. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  POM260012  Lathyrus sulphureus C. L. Hitchcock 1940-5-7 6344 Placer 1 mile west of Baxter. Comment
  RSA20918  Layia fremontii C. B. Wolf 1937-3-30 8365 Placer Sacramento Valley, 2 mi. N of Lincoln. 53 Comment
  CAS-BOT-BC321708  Layia fremontii Peter H. Raven; G. L. Stebbins, Jr. 1952-4-29 4001 Placer 4.4 mi. from Bear River crossing on road to Auburn. Comment
  RSA0035477  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Mary Alice Barnes 2013-4-18 20355 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  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
  UCR257023  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Amy Barnes 2014-4-23 22783 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  JEPS66644  Ledum glandulosum C. F. Sonne 1885-7 207 Placer Summit at Lake Angeline Lake Angeline; Sierra Nevada Mountains, Lake Angeline Comment
  JEPS127479  Lemna trisulca Steve Matson 2002-8-4 656 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267; Lookout Mountain branch of Martis Creek. Comment
  SEINET3167471  Leontodon saxatilis subsp. longirostris R. W. Spellenberg, N. Zucker 2010-4-16 14153 Placer N edge of Lincoln along Hwy 65 45 Comment
  UCR198416  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2008-4-17 13291 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  UCR222551  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2010-4-17 15896 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, about 0.2 mile northeast of the entrance to the Folsom Lake recreational area 305 Comment
  JEPS126411  Lepidium chalepense Steve Matson 1998-6-6 215 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 40 yards south of Highway 267. Comment
  CDA3789  Lepidium latifolium S. P. Fisher 1969-10-2 Placer Along Southern Pacific Railroad tracks, 3/4 mile northeast of Loomis. 0 Comment
  CDA3791  Lepidium latifolium J. C. Henderson, K. Stark 1971-7-16 Placer Sierra Nevada; Southern Pacific Railroad tracks, Penryn. Comment
  CHSC96508  Lepidium nitidum var. nitidum Lowell Ahart; Brian Williams 2007-4-13 13639 Placer On damp granite soil, open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  SEINET11261799  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17900 Placer Northern Sierra Nevada Mountains: Bowman Lake Road, 0.9 miles N of its junction with CA Hwy 20, 0.85 miles NE (23 degrees) of Emigrant Gap and N of I-80.; 0 1434 Comment
  RSA293428  Leptosiphon bicolor Reino Alava 1958-5-3 2027 Placer On roadside meadow, eleven miles from Auburn on the County Road No. 79. Comment
  CHSC44327  Leptosiphon ciliatus Lowell Ahart 1972-7-7 137 Placer In a wash, near the Middle Fork of the American River, on the east side of the river near Ahart Camp, about 1 mile north-east of French Meadows Reservoir. 1524 Comment
  POM74004  Leptosiphon ciliatus Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  CHSC82713  Leptosiphon harknessii Lowell Ahart 2002-7-22 9894 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
  SEINET14168140  Leptosiphon harknessii H. M. Hall 1910-6-26 8717 Placer [Sierra Nevada] Cisco 1800 Comment
  SEINET11990836  Lesquerella occidentalis C. F. Sonne 1885-1 s.n. Placer mt. head of Squaw Valley 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
  CAS-BOT-BC56394  Leucothoe davisiae L. S. Smith 1925-8-14 1707 Placer Tahoe National Forest, Robertson Flat Pasture 1981 Comment
  UC1121029  Leucothoe davisiae B. Bolt 1934-7-6 84 Placer Tahoe National Forest, e slope of Texas Hill Texas Hill; Tahoe National Forest, Texas Hill 1584 Comment
  UCD21480  Leucothoe davisiae Beth Lowe Corbin 1982-8-24 416 Placer One and 3/4 miles SW of the Cedars. 1950 Comment
  UCR200871  Leucothoe davisiae George K. Helmkamp, E. A. Helmkamp 2008-9-15 14113 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
  CAS-BOT-BC123019  Lewisia kelloggii Albert Kellogg 1870-6-27 s.n. Placer Sierra Nevada. Camp Yuba, (Cisco). Comment
  CAS-BOT-BC444162  Lewisia nevadensis A. A. Heller 1917-6-17 12714 Placer Along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC444554  Lewisia triphylla Marcus E. Jones 1882-6-28 2629 Placer Emigrant Gap Comment
  UCD21924  Lewisia triphylla Rex Palmer 1979-6-9 N 172 Placer Headwaters basin area of the North Fork of the American River Comment
  MACF019631  Libocedrus decurrens Fay A. MacFadden 1934-8-3 12824 Placer California Comment
  CHSC73002  Ligusticum grayi L. P. Janeway 1998-8-6 5991 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CHSC74760  Ligusticum grayi Susi Urie; Eric Schroder 1998-9-8 98 -286 Placer Meadow complex on north sode of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  JEPS72671  Ligusticum grayi Gladys L. Smith 1972-6-18 3139 Placer Alpine Meadows 2072 Comment
  UCD42978  Ligusticum grayi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 347 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC451588  Lilaea scilloides Gordon H. True 1971-5-26 6534 Placer Northern limits of Lincoln 48 Comment
  UC1134617  Lilium humboldtii C. R. Clar 1933-6-21 134 Placer near P.G.& E. Reservoir; Sacramento Quad. 426 Comment
  CAS-BOT-BC130777  Lilium pardalinum Albert Vollmer 1949-7-6 12 -D Placer Bear Valley Comment
  CAS-BOT-BC508455  Lilium parvum Mrs. H. M. Mitchell 1922-7-1 s.n. Placer Blue Canyon Comment
  CAS-BOT-BC508488  Lilium parvum C. F. Sonne 1892-7-1 s.n. Placer West slope Washoe Mts. Comment
  UC615237  Lilium parvum Beryl O. Schreiber 1933-7-17 875 Placer below Summit Comment
  RSA75614  Lilium washingtonianum Albert M. Vollmer, L. Beane 1951-07 191 Placer Bear Valley, east of Nevada City Comment
  UCD162580  Limosella acaulis Steve Matson 2003-6-16 802 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; edge of pond. 1908 Comment
  UC30173  Linanthus bicolor H. N. Bolander 1865-1 4568 Placer Auburn Comment
  UCR253121  Linanthus bicolor George K. Helmkamp, Amy Barnes 2014-4-23 22819 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  RSA0051410  Linanthus harknessii George K. Helmkamp, E. A. Helmkamp 2012-6-19 19235 Placer Foresthill Road, 6.9 miles east of its junction with Devil s Thumb Road. 1973 Comment
  UCR240726  Linanthus harknessii George K. Helmkamp, E. A. Helmkamp 2012-6-19 19235 Placer Northern Sierra Nevada Mountains, Foresthill Road, 6.9 miles east of its junction with Devil's Thumb Road 1973 Comment
  CDA20199  Linaria purpurea A. Williams 2003-8-14 PDR 1407018 Placer Sierra Nevada; Pioneer Wy, Tahoe City. 0 Comment
  UCD162567  Linaria vulgaris Steve Matson 2004-8-1 909 Placer nSNH; Tahoe Basin; Tahoe City near lakeshore at Truckee River outlet. NE of Gate Keepers Cabin. 1900 Comment
  CDA6376  Linaria vulgaris J. C. Henderson, K. Stark 1971-7-16 Placer Sierra Nevada; Southern Pacific Railroad tracks, Gold Run. Comment
  UC1925818  Lipocarpha micrantha David Keil, Kathleen A. Keil 1999-7-17 28378 Placer Along N Fork of Cosumnes River at Little Canyon Road ford Comment
  JEPS64486  Listera convallarioides C. F. Sonne 1888-8-12 493 Placer Truckee River Sierra Nevada Mountains Comment
  CDA21807  Lithocarpus densiflorus var. echinoides T. C. Fuller 1973-8-23 19984 Placer Sierra Nevada; Parking lot of the Big Trees Grove, 1 mile southwest of Creek Store Guard Station. Comment
  UC1135290  Lithocarpus densiflorus var. echinoides G. T. Nordstrom 1934-6-19 116 Placer 0.5 mi ne Texas Hill; Tahoe National Forest, Colfax Quad. 1554 Comment
  UCD160959  Lithophragma G. Ledyard Stebbins 1978-5-27 s.n. Placer El Dorado National Forest. East side of Big Crater. (Exact location unknown. Coordinates estimated by label maker.) 1219 Comment
  UC402485  Lithophragma bolanderi W. W. Mackie 1904-4 Placer near Auburn (American River Canyon); American River Canyon Comment
  UCR194956  Lithophragma bolanderi George K. Helmkamp, E. A. Helmkamp 2007-5-18 12033 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road near the crossing of the North Fork of the West Fork of the American River; 9.5 miles southeast of Foresthill 439 Comment
  CAS-BOT-BC435494  Lithophragma glabrum Alice Eastwood 1912-6-15 376 Placer Deer Park, Lake Tahoe Region Comment
  UCD22326  Lithophragma glabrum Rex Palmer 1979-5-27 N 74 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD18323  Lithospermum californicum A. M. Shapiro 2001-5-12 s.n. Placer near Dutch Flat. 914 Comment
  UCSB25992  Lithospermum californicum Morley, Thomas 1946-5-11 Placer 100 yards northwest of Southern Pacific railroad tracks; 1/2 mile east of Dutch Flat station Comment
  SACT001438  Lolium multiflorum D. Meyer 1983-4-17 Placer Small drainage ditch, moist sunny exposure. 231.648 Comment
  UCD66196  Lolium multiflorum Al Franklin 1987-5-1 87 -05 Placer 1.6 mis. east of I-80 on Foresthill Road, just outside of Auburn. 426 Comment
  SACT001435  Lolium multiflorum Josephine Van Ess 1976-3-22 Placer Collected near Hummingbird Hill Stables .75 mile north of Cavit Road. Lightly shaded moist bank. Comment
  CDA15458  Lolium perenne D. Mitani 1999-3-31 PDR 1223619 Placer Sierra Nevada; Winchester Country Club golf course, Meadow Vista. 0 Comment
  UCR207854  Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14567 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  UCD66657  Lolium temulentum August L. Hormay 1932-5-24 Placer West of Auburn. Comment
  JEPS72676  Lomatium nevadense var. nevadense Gladys L. Smith 1972-6-20 3249 Placer just below Ward Peak Summit 2628 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
  HSC82526  Lomatium utriculatum Thomas W. Nelson 1979-4-10 4581 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  SEINET12328859  Lonicera conjugialis J. H. Nishida 1985-1 789 Placer Homewood 1829 Comment
  SEINET5784637 Image available Lonicera hispidula Marcus E. Jones 1882-1 3605 Placer Colfax Comment
  CAS-BOT-BC241427  Lonicera involucrata var. involucrata G. E. Poore 1912-7-1 174 Placer Tahoe National Forest, Sierra Nevada Comment
  CHSC74080  Lonicera involucrata var. involucrata Susi Urie 1998-8-13 98 -033 Placer Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UC864264  Lotus argophyllus Marcus E. Jones, A. M. 1882-7-3 3338 Placer Colfax Comment
  UCR146926  Lotus argophyllus var. fremontii Beecher Crampton 1955-6-15 2887 Placer Sierra Nevada Mountains, 4.5 miles south of US Hwy 40, along North Fork of American River, near base of Bunch Canyon, on road to Forest Hills 701 Comment
  UCR257728  Lotus corniculatus George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19522 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
  UCR255866  Lotus crassifolius Greg de Nevers 1995-8-20 10769 Placer Sierra Nevada Mountains, Lake Tahoe 2165 Comment
  UCR194938  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12014 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  CDA27210  Lotus humistratus D. Leiser 1963-5-3 Placer Hiking trail 2 miles northwest of Michigan Bluff. 0 Comment
  POM27004  Lotus incanus Marcus E. Jones 1882-5-3 s.n. Placer Colfax Comment
  UC147591  Lotus incanus Miss Harriet A. Walker 1908-6-24 1278 Placer Blue Canyon 1432 Comment
  RSA671059  Lotus incanus G. Fred Hrusa 1997-5-26 13789 Placer Italian Bar Trail, N-facing slope to N. Fk. Amer. River, approx. 3 km. N of Foresthill Divide Rd. 1300 Comment
  UC1129097  Lotus micranthus N. French 1933-6-5 66 Placer East Rocklin Sacramento Quad. 91 Comment
  JEPS24945  Lotus pinnatus Marcus E. Jones, A. M. 1882-6-27 3282 Placer Emigrant Gap Comment
  CDA27308  Lotus purshianus T. C. Fuller 1958-7-7 2001 Placer 2 miles north of Roseville. 0 Comment
  UCR231883  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2010-10-16 17016 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
  UCR240965  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2012-9-25 19917 Placer Northern Sierra Nevada Mountains, junction of Nyack Road and I-80 in the Emigrant Gap area 1652 Comment
  UCR201931  Lotus uliginosus George K. Helmkamp, E. A. Helmkamp 2008-8-20 14024 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  POM27032  Lotus unifoliolatus Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  POM27033  Lotus unifoliolatus Marcus E. Jones 1882-7-3 s.n. Placer Alta. Comment
  JEPS48919  Lupinus Leland S. Smith 1931-8-11 2537 Placer Mt. Rose Trail, beyond meadow Tahoe, Mt. Rose Trail, beyond meadow (Tahoe, e slope); Tahoe, Mt. Rose trail 2895 Comment
  UCD74120  Lupinus adsurgens Jennifer W. Burt 2005-7-13 167 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
  CAS-BOT-BC198368  Lupinus albifrons G. Earnhart 1961-3-18 9 Placer 2 1/2 miles east of Auburn, north fork of American River 396 Comment
  JEPS64891  Lupinus andersonii W. L. Jepson 1918-7-30 7723 Placer near Tahoe City; Lake Tahoe, near Tahoe City 1920 Comment
  OBI48724  Lupinus andersonii Lewis S. Rose 1941-7-23 41354 Placer Chambers Lodge, (McKinney) Lake Tahoe 1920 Comment
  HSC33455  Lupinus apertus Thomas W. Nelson, Jane P. Nelson 1974-6-17 1354 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  SD243134  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 (Duncan Peak 7.5'Q) 2040 Comment
  UC726156  Lupinus arbustus A. A. Heller 1909-7-16 9857 Placer Donner Lake 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
  UC170081  Lupinus arbustus var. arbustus Helen D. Geis 1912-6 68 Placer Deer Park Comment
  UCSB17489  Lupinus argenteus Breedlove, Dennis 1962-6-13 Placer On the western bank of Lake Tahoe; along State Highway 89; 8.3 miles south of Tahoe City; Sierra Nevada 1889 Comment
  UCR233387  Lupinus argenteus var. argenteus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18162 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill 1402 Comment
  RSA414452  Lupinus aridus Kessler s.n. Placer Lake Tahoe. 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
  UCR238589  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2012-3-31 18662 Placer Sacramento Valley, along CA-193, 0.3 mile northwest of its junction with Gold Hill Road 131 Comment
  CDA37057  Lupinus bicolor CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CDA37252  Lupinus bicolor CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR198411  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2008-4-17 13296 Placer Sacramento Valley / Sierra Nevada Foothills, about 0.2 mile north of CA-193 on Fowler Road, about 6 miles east of Lincoln 93 Comment
  UCR238590  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2012-3-31 18661 Placer Sacramento Valley, along CA-193, 0.3 mile northwest of its junction with Gold Hill Road 131 Comment
  CAS-BOT-BC208860  Lupinus breweri var. breweri John Thomas Howell 1938-8-2 14011 Placer Sand dunes on Lake Tahoe at Brockway. Comment
  RSA407102  Lupinus breweri var. grandiflorus Munz 1923-8-11 s.n. Placer Lake Tahoe, Tamarack Trail. 2134 Comment
Read comments
May 22 2013
  UC147590  Lupinus grayi Harriet A. Walker 1908-6-24 1281 Placer Blue Canyon 1432 Comment
  CDA27441  Lupinus grayi T. C. Fuller 1983-7-19 20419 Placer North side of Highway 20 to Nevada City, 3 km west of Interstate 80. 0 Comment
  RSA121629  Lupinus grayi N. H. French 1934-5-24 358 Placer North fork of west fork American River. 1341 Comment
  SEINET8042255  Lupinus grayi A. Allen 1950-4-29 45 Placer Highway 40, 2 miles above Glen Alder following a sharp curve to left, 914 Comment
  CHSC73041  Lupinus lepidus var. sellulus L. P. Janeway 1998-8-6 5972 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UCR120503  Lupinus lepidus var. sellulus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5026 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SEINET11261466  Lupinus microcarpus var. densiflorus George Helmkamp, Amy Barnes 2014-4-23 22771 Placer Sierra Nevada Mountain Foothills on Old Forest Hill Road, 0.4 miles NE of the junction with CA-49 at North Fork American River.; 0 290 Comment
  SEINET11261560  Lupinus microcarpus var. densiflorus George Helmkamp, E. A. Helmkamp 2012-5-5 18921 Placer Northern Sierra Nevada Mountains Foothills on Lake Clementine Road, 1.2 miles W of the junction with Foresthill Road. 0.3 air miles SE (123 degrees) of Clementine Dam on the American River.; 0 396 Comment
  UCR194975  Lupinus microcarpus var. densiflorus George K. Helmkamp, E. A. Helmkamp 2007-5-18 11996 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.3 miles northeast of the bridge over the junction of North and West Forks of the American River 485 Comment
  SD43642  Lupinus microcarpus var. densiflorus Darley F. Howe 1948-5-21 1860 Placer Placer County 456 Comment
  SEINET8056960  Lupinus microcarpus var. densiflorus A. Allen 1950-4-29 19 Placer 2 miles east of Roseville on highway 40, Comment
  UC710399  Lupinus microcarpus var. densiflorus C. P. Smith 1946-5-3 46268 Placer Hiway 99e s edge of town Roseville Comment
  UCR173787  Lupinus microcarpus var. microcarpus George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10715 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
  SEINET3815513 Image available Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18940 Placer Foothills, northern Sierra Nevada Mountains: Finning Mill Road at the junction with Forest Hill Road 346 Comment
  UCR194968  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2007-5-18 11999 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.3 miles northeast of the bridge over the junction of North and West Forks of the American River 485 Comment
  UCR208546  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-11 14674 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
  UCR208572  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14608 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  RSA761030  Lupinus nanus Barbara Ertter, David Thompson 1989-4-9 8188 Placer Auburn-Forest Hill Road 6.2 miles southwest of Spring Garden Road junction, 8 miles northeast of Auburn. 610 Comment
  CHSC96480  Lupinus pachylobus Lowell Ahart; Brian Williams 2007-4-13 13643 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
  JEPS59497  Lupinus polyphyllus var. burkei Ezra Brainerd and Viola B. Baird 1915-7-25 251 Placer above Inn (Deer Park); Sierra Nevada Mts., Deer Park 2011 Comment
  SEINET8059977  Lupinus polyphyllus var. burkei Caldwell 1962-5-9 120 Placer 6 miles north of Auburn, Highway 40 610 Comment
  SEINET12164817  Lupinus sellulus J. H. Nishida 1985-1 792 Placer Homewood, Red Fir Forest 1829 Comment
  RSA43803  Lupinus vallicola subsp. vallicola D. F. Howe 1948-5-20 s.n. Placer Placer 457 Comment
  UCD142068  Luzula comosa Beecher Crampton 1966-4-14 7649 Placer 2.5 miles east of Lincoln. Comment
  UC473449  Luzula macrantha A. Kellogg 1870-6-16 Placer Cisco Comment
  UCD162585  Luzula subcongesta Steve Matson 2004-8-22 1116 Placer Tahoe Basin west shore; Blackwood Canyon; 1 mile SE of Barker Pass. 2377 Comment
  RSA0011311  Lythrum hyssopifolia I. E. Diehl 1902-7-7 s.n. Placer Colfax. Comment
  UCR218232  Madia citriodora George K. Helmkamp, E. A. Helmkamp 2010-6-26 16405 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  SD53148  Madia elegans subsp. densifolia Darley F. Howe 1962-8-10 3418 Placer 1.2 miles north of Auburn 519 Comment
  POM362140  Madia elegans subsp. elegans Wm. Martin 1971-9-10 20202 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  POM29875  Madia exigua Bultan 1883-1 s.n. Placer St. Lawrence [now Kelsey, El Dorado Co.] Comment
  JEPS126382  Madia glomerata Steve Matson 2002-7-14 568 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 yards south of Highway 267 and 200 yards west of junction of Creek and 267. Comment
  UCD158895  Madia glomerata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-18 s.n. Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR190154  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2007-8-1 12646 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  UCR190160  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2007-8-1 12651 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  CAS-BOT-BC343239  Madia gracilis David D. Keck 1932-6-30 1583 a Placer Ca. 4 miles S. of Colfax 640 Comment
  POM260438  Madia minima L. S. Rose 1940-5-29 40411 Placer 3 miles northeast of Emigrant Gap 1677 Comment
  POM284521  Madia minima Lyman Benson 1933-6-26 4527 Placer Cisco, U.S. 40. Sierra Nevada; Bear River watershed. 1829 Comment
  POM29897  Madia minima Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UCD139055  Maianthemum racemosum Beecher Crampton 1972-9-28 8882 Placer ca. 1 mile east of Baxter. Comment
  RSA377712  Maianthemum stellatum Bonnie C. Templeton 1931-7-4 1502 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  POM33073  Malacothrix floccifera Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  UC28955  Marah watsonii Bolander 4533 Placer Auburn Comment
  CDA19494  Marrubium vulgare M. I. Wibawa 2002-5-27 267 Placer Sacramento Valley; American River bike trail to Folsom Lake State Recreation Area. 91 Comment
  RSA0038509  Marrubium vulgare George K. Helmkamp, Mary Alice Barnes 2013-5-3 20470 Placer SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  SEINET6166091  Marsilea vestita subsp. vestita J. T. Howell 1961-9-25 36949 Placer Feather River bed, Portolla 1478 Comment
  UCR171351  Matricaria matricarioides George K. Helmkamp, E. A. Helmkamp 2005-9-30 9967 Placer Northern Sierra Nevada Mtns., c. 3.5 mi NW of Lake Tahoe; Along the Truckee River and Calif. Highway 89, 0.1 mi N of Alpine Meadows Road 1902 Comment
  SACT001473  Melica aristata Michael Baad 1983-7-23 Placer .25 mile west of US Highway 89. Boggy meadows along road. 1828.8 Comment
  SEINET245350 Image available Melica aristata Beecher Crampton 1955-7-13 2983 Placer 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD67013  Melica aristata Beecher Crampton 1955-6-15 2905 Placer Yankee Jims. Comment
  CAS-BOT-BC271120  Melica bulbosa John H. Thomas; Hazelle A. Thomas 1956-7-21 6140 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  RSA135800  Melica bulbosa John H. Thomas, Hazelle A. Thomas 6140 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2134 Comment
Read comments
May 29 2013
  CAS-BOT-BC269355  Melica californica Peter H. Raven 1953-5-10 5489 Placer Road to Placerville 1.7 miles from Auburn, in canyon of American River Comment
  SEINET9262024  Melica californica George K. Helmkamp, Amy Barnes 2014-1 22808 Placer Sierra Nevada Mountains Foothills: Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill (Colfax 7.5' Q) 719 Comment
  UCD86438  Melica californica Beecher Crampton 1955-6-15 2877 Placer Bunch Canyon, 2 miles south of U.S. Highway 40, on Forest Hills Road. Comment
  SACT001497  Melica californica var. nevadensis Michael Baad 1983-5-7 Placer 2.4 miles south of Colfax on Iowa Hill Road, descending to North Fork of American River. 978.0 Comment
  JEPS111293  Melica fugax Steve Matson 2005-7-10 1387 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and north of Martis Creek, 500 meters W of parking area 1783 Comment
  UCD87289  Melica fugax Mrs. H. P. Kelley 1915-6-19 s.n. Placer Squaw Valley. Comment
  CAS-BOT-BC282115  Melica geyeri Marcus E. Jones 1982-6-30 3553 Placer Emigrant Gap Comment
  UC818837  Melica geyeri Marcus E. Jones 1882-6-30 3553 Placer Emigrant Gap Comment
  CAS-BOT-BC281294  Melica harfordii Saichi Kawahara 1969-5-25 890 Placer N of old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  SACT001513  Melica harfordii Michael Baad 1977-6-2 Placer 0.8 mile south of Wiemar, east-facing cliff streamside habitat. 606.0 Comment
  UC1153839  Melica harfordii Beecher Crampton 1955-6-15 2897 Placer 5.5 mi w Iowa Hill (Shirttail Canyon); Shirttail Canyon Comment
  CAS-BOT-BC281030  Melica stricta Charlotte Pyle 1978-8-9 s.n. Placer Silver Peak about 1.5 miles NW of Squaw Valley 2438 Comment
  SACT001545  Melica torreyana Michael Baad 1977-6-8 Placer on road between Forest HIll and French Meadows roadside in serpentine-chaparral community 914.4 Comment
  UCD36655  Melica torreyana Beecher Crampton 1955-6-15 2876 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40. Comment
  UCD88830  Melica torreyana Beecher Crampton 1955-6-15 2876 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40. 914 Comment
  SEINET7952650  Mentha X piperita J. Stubbs 1972-10-8 s.n. Placer 5 miles S of Auburn, beside spring along roadside. 518 Comment
  JEPS126287  Mentzelia dispersa Steve Matson 1998-6-21 260 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters north of Highway 267. Comment
  SEINET191612  Mentzelia dispersa Lewis S. Rose 1941-7-12 41313 Placer Chambers Lodge, (McKinney), Lake Tahoe 1920 Comment
  UC872457  Mentzelia dispersa Lewis S. Rose 1938-9-14 38269 Placer 3 m nw Tahoe City; Truckee River 1828 Comment
  UC872465  Mentzelia dispersa Alice Eastwood Jun 15 1912-Jun 19 1912 683 Placer Lake Tahoe Region, Deer Park Comment
  UC108372  Mentzelia dispersa C. F. Sonne 1885-7-11 Placer Sierra Nevada, Truckee Comment
  CAS-BOT-BC428681  Micranthes bryophora Richard Mc. P Brown 1961-7-6 s.n. Placer Near Sugar Bowl, Emigrant Meadow Comment
  CAS-BOT-BC428682  Micranthes bryophora C. F. Sonne 1884-8-24 89 Placer Sierra Nevada Mts. Granite Rock above Coldstream 2438 Comment
  CAS-BOT-BC428877  Micranthes californica G. L. Stebbins 1978-5-27 7873 Placer East side of Big Crater 1341 Comment
  SEINET6033442  Micranthes californica J. Elder 1961-3-18 s.n. Placer 5 miles southeast of Auburn on wooded foothill above American River 366 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
  JEPS127553  Micranthes oregana Steve Matson 1997-7-10 92 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/ Kings Beach; west fork Snow Creek; bog at western terminus of North Ave dirt extension. Comment
  CAS-BOT-BC348387  Micropus californicus var. californicus David D. Keck 1933-5-31 2429 Placer Just south of Auburn on road to Roseville 305 Comment
  JEPS111245  Microseris nutans Steve Matson 2005-6-12 1268 Placer Martis Valley, ca 3 miles southeast of Truckee, west of Northstar golfcourse and north of subdivision; 100 meters north of fencline; 39.2944 N, 120.1261 W; Elevation 5850 ft. 1783 Comment
  UC194718  Microseris nutans A. A. Heller 1909-7-16 Placer Summit 2133 Comment
  SEINET11602003 Image available Microseris nutans L. R. Miller 1934-7-8 s.n. Placer Cisco Comment
  UCD82834  Mimulus Robin McMaster 1973-6-3 455 Placer 2 mi W Lake Spaulding. Comment
  UCD122166  Mimulus angustatus Kenneth T. Stearns 1975-5-24 s.n. Placer Todd Valley Estates, south field at end of Redwood Court. 822 Comment
  UCD38466  Mimulus aurantiacus Beecher Crampton 1955-6-15 2893 Placer 8.5 miles west of Iowa Hill. Comment
  UCR12596  Mimulus aurantiacus var. aurantiacus Cathy Scollieri 1972-4-23 42372- 04 Placer Sierra Nevada Mtns. Foothills, east side of Avery's Pond [near Folsom Lake, SE of Auburn] 143 Comment
  UC1577069  Mimulus aurantiacus var. grandiflorus N. French 1934-5-29 376 Placer 1 mi w Lake Spaulding; Tahoe National Forest, Colfax Quadrangle Comment
  UC444815  Mimulus aurantiacus var. grandiflorus Martha Brier June 1894 Placer near Towle; Bear Valley Comment
  UC886108  Mimulus bicolor C. L. Hitchcock 1940-5-14 6398 Placer ca. 6 mi n Colfax; Meier Ranch 762 Comment
  UCD122640  Mimulus guttatus Eric Brenner; John Hunter 1996-5-26 21 Placer Tahoe National Forest Mosquito Ridge Road. 1080 Comment
  SEINET8274773  Mimulus guttatus Keith G. Weinstock 1975-5-24 29 Placer 0.1 mile down Foresthill Road and Old Foresthill Road. Comment
  JEPS103318  Mimulus leptaleus Lowell Ahart 2002-7-22 9903 Placer On the S side of a small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1773 Comment
  UC194066  Mimulus lewisii C. F. Sonne July 1884 Placer along creek above Coldstream Comment
  RSA0013385  Mimulus mephiticus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16679 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.8 miles east of Forest Route 13/American Hill Road. 1662 Comment
  UCD21890  Mimulus microphyllus Rex Palmer 1979-7-19 N 227 Placer Exact location unknown. Comment
  UCD75956  Mimulus moschatus Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5211 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Ridge to the southwest of disturbed off-road vehicle area. 2270 Comment
  RSA0077806  Mimulus nanus var. mephiticus Milo S. Baker 1904-7-15 s.n. Placer Lake Valley, Lake Tahoe Region. Comment
  UC124419  Mimulus nasutus A. Kellogg 1870-1-1 Placer Cisco Comment
  RSA569209  Mimulus primuloides Bonnie C. Templeton 1931-7-5 1507 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  CDA15980  Mimulus primuloides subsp. primuloides G. F. Hrusa, J. Glazner 1999-7-17 15164 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS71717  Mimulus tilingii Gladys L. Smith 1972-8-25 3435 Placer meadow below <Granite Chief> north cirque 2575 Comment
  SEINET3245755  Mimulus torreyi G. K. Helmkamp, E. A. Helmkamp 2009-1 15425 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles northeast of the city of Foresthill (Duncan Peak 7.5') 1661 Comment
  UC112826  Mimulus torreyi Katharine Brandegee 1908-7-15 Placer near Cisco Comment
  UC569871  Mimulus torreyi G. T. Nordstrom 1934-6-22 157 Placer 1/2 mi ne Mammoth Spring; Colfax Quadrangle 1706 Comment
  CAS-BOT-BC174571  Minuartia californica Gordon H. True 1971-4-9 6462 Placer Northern limits of Lincoln 48 Comment
  POM101324  Minuartia douglasii Marcus E. Jones 1882-4-18 s.n. Placer Emigrant Gap. Comment
Read comments
Sep 29 2017
  RSA320412  Mitella breweri James R. Shevock 1979-6-23 6267 Placer Along the Yuba River adjacent to Interstate 80. Tahoe National Forest. 1829 Comment
  CAS-BOT-BC221667  Monardella candicans Marcus E. Jones 1882-7-4 3458 Placer Colfax Comment
  SEINET12328852  Monardella odoratissima J. H. Nishida 1985-1 776 Placer Homewood 1829 Comment
  SEINET13948628 Image available Monardella odoratissima Lewis S. Rose 1941-1 41316 Placer Open pine forest. Homewood, Lake Tahoe, alt ca 6300 ft 1920 Comment
  JEPS126282  Monardella odoratissima subsp. pallida Steve Matson 1997-7-1 116 Placer Tahoe north shore; Snow Creek watershed, Tahoe Visa/Kings Beach; middle fork of Snow Creek; north of Golf Course. Comment
  UC1124571  Monardella odoratissima subsp. pallida B. Bolt 1934-7-16 117 Placer 1 1/2 mile SE of Heath Springs (on Plot 206); Tahoe National Forest, Truckee Quadrangle Comment
  UC2035926  Monardella odoratissima subsp. pallida Robert T. Clausen and Harold Trapido 1940-7-13 4883 Placer North of Ward Creek, west side of Lake Tahoe, 2 miles north of Tahoe Pines, Sierra Nevada, Lake Tahoe Basin 1905 Comment
  UCR233392  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2011-8-26 18168 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2020 Comment
  CAS-BOT-BC222104  Monardella odoratissima subsp. pallida Mary P. Wells 1980-9-11 s.n. Placer Alpine Meadows by Bear Creek, opposite stable 1950 Comment
  POM296671  Monardella odoratissima subsp. pinetorum L. S. Rose 1941-7-16 41316 Placer Homewood, Lake Tahoe 1921 Comment
  SCFS1000  Monardella sheltonii E. Krimmel 2014-6-26 Placer Comment
  UCR194701  Monardella sheltonii George K. Helmkamp, E. A. Helmkamp 2007-5-30 12206 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.5 miles east of its junction with Forest Hill Road in Foresthill 488 Comment
  UC851964  Montia chamissoi Marcus E. Jones, A. M. 1882-5-28 2628 Placer Emigrant Gap Comment
  UCR120233  Montia chamissoi George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5069 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  UC1949381  Montia fontana Barbara Ertter with Niall McCarten and Tom Fraser 1991-3-29 9722 Placer 2-3 miles south of Lincoln Comment
  CAS-BOT-BC260647  Muhlenbergia filiformis H. S. Yates 1936-8-9 5988 Placer 2 miles SW of Martis Peak, N of Agate Bay, Lake Tahoe 2286 Comment
  SACT001591  Muhlenbergia filiformis D. Meyer 1984-8-4 Placer Moist shady roadside. 1358.0 Comment
  SEINET4672143  Muhlenbergia jonesii P. B. Kennedy, S. B. Doten 1901-8-15 408 Placer Bear Man's Camp 6 miles from French Meadows Comment
  CAS-BOT-BC515662  Muscari botryoides Shannon Wright 1994-5-13 7 -5 Placer Hwy 80 above truckee on Placer-Nevada county line Comment
  UC854359  Myosurus apetalus Alice Eastwood Jun 15 1912-Jun 19 1912 467 Placer Tahoe City; Lake Tahoe Region Comment
  JEPS127527  Myosurus apetalus var. montanus Steve Matson 1998-6-6 218 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, south side of Highway 267, under power lines. Comment
  CDA19325  Myriophyllum spicatum R. Kerr 2001-6-21 s. n. Placer Sierra Nevada; Truckee River below Fanny Bridge in the vicinity of Tahoe City. 1896 Comment
  UCD148973  Myriophyllum spicatum John D. Madsen; David F. Spencer 1996-4-2 s.n. Placer From Truckee River, adjacent to California Highway 89, approximately 150 m downstream of the dam at Tahoe City. Comment
  SEINET6412908  Myriopteris gracillima M. J. Williams 1970-6-23 s.n. Placer [Sierra Nevada] Near Cisco Grove 1722 Comment
  JEPS21149  Nama lobbii N. French 1934-5-28 374 Placer 1 1/2 mi w Black Mountain; Colfax Quad., w of Black Mountain 1767 Comment
  UC1153925  Nassella pulchra Beecher Crampton 1957-5-7 3984 Placer 6.8 mi n Roseville (valley plain); Whitney Ranch Comment
  CHSC73970  Navarretia capillaris Susi Urie 1998-8-17 98 -055 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  CHSC74111  Navarretia capillaris Susi Urie 1998-8-11 98 -011 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  SEINET14055763  Navarretia capillaris C. C. Hall 1910-6-25 8710 Placer [Sierra Nevada] Cisco 1850 Comment
  UC101873  Navarretia divaricata Katharine Brandegee 1888-1 Placer Shady Run Comment
  JEPS127407  Navarretia divaricata subsp. divaricata Steve Matson 1998-6-21 267 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area north side of Highway 267, east of Martis Creek. Comment
  JEPS127503  Navarretia divaricata subsp. divaricata Steve Matson 1998-6-24 299 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  JEPS70275  Navarretia eriocephala R. E. Arp 1932-4-28 6 Placer Roseville Comment
  SEINET3861932  Navarretia intertexta Genevieve K. Walden 2009-6-25 210 Placer Off I-80 East before Cisco Grove exit, Blue Lakes Rd. turn off, take a right and park at T intersection with unpaved fire road.; 0 1699 Comment
  CDA15932  Navarretia intertexta subsp. propinqua G. F. Hrusa, J. Glazner 1999-7-17 15173 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SD38789  Navarretia leptalea Dr. De Forest 1931-5-4 2064 B Placer Crystal Lake Comment
  CDA15936  Navarretia leptalea subsp. bicolor G. F. Hrusa, J. Glazner 1999-7-17 15157 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS70437  Navarretia pubescens W. H. Shockley Jun 1886 Placer Auburn Comment
  SCFS5088  Nemophila F. Felix, Erica Krimmel 2013-5-19 30 Placer North Fork American River, 0.5 mile east of Heath Falls overlook, on trail Comment
  UC1586074  Nemophila heterophylla Barbara Ertter with David Thompson 1989-4-8 8168 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing); nr entrance to Auburn State Recreation Area, Iowa Creek Rd 518 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
  UCD120212  Nemophila menziesii Lynn Gould 1962-3-24 11 Placer 6 miles west of Roseville. Comment
  SEINET6744641 Image available Nemophila parviflora Marcus E. Jones 1882-1 2816 Placer Emigrant Gap, California Comment
  UCR194951  Nemophila parviflora var. austiniae George K. Helmkamp, E. A. Helmkamp 2007-5-18 12029 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road near the crossing of the North Fork of the West Fork of the American River; 9.5 miles southeast of Foresthill 439 Comment
  RSA76018  Nemophila pedunculata Lincoln Constance 1938-6-6 2278 Placer 6.5 miles west of Cisco, Sierra Nevada. 1585 Comment
  UCD119948  Nemophila pulchella var. pulchella M. H. Mills 1996-4-26 169 Placer 5830 Walden Lane, Loomis. 54 Comment
  POM73897  Nemophila spatulata Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC7235  Nemophila tenera Helen Smith 1899-5-1 s.n. Placer Applegate Comment
  CAS-BOT-BC231505  Nicotiana G. P. Rixford 1914-6-22 s.n. Placer Loomis Comment
  CAS-BOT-BC231506  Nicotiana G. P. Rixford 1913-9-2 s.n. Placer Loomis Comment
  CAS-BOT-BC349912  Nothocalais alpestris L. S. Smith 1928-6-28 2422 Placer Tahoe National Forest. Miller Lake Range 2042 Comment
  UCD110195  Notholithocarpus densiflorus Thomas Morley 1946-9-28 814 Placer 2 1/2 miles north north-east of Alta. 1249 Comment
  UC169244  Oenothera cespitosa subsp. marginata Katharine Brandegee June 1913 2047 K Placer Canyon of the Truckee Comment
  UC174843  Oenothera cespitosa subsp. marginata Katharine Brandegee June 1913 Placer Canyon of the Truckee Comment
  JEPS11677  Orobanche californica subsp. grayana Miss M. Annie Miller Sep 1914 Placer Tahoe Tavern, Tahoe Comment
  UC196440  Orobanche corymbosa subsp. corymbosa C. F. Sonne 1885-8-2 Placer On Road to Lake Tahoe, road from Truckee. Comment
  SJSU6215  Orthilia secunda R. L. Fisher 1959-8-12 Placer 2 mi W of L Van Norden 1981 Comment
  CAS-BOT-BC458057  Orthilia secunda C. F. Sonne 1885-10-11 209 Placer Sierra Nevada Mts: Summit at Lake Angeline Comment
  JEPS111291  Orthocarpus cuspidatus Steve Matson 2005-7-10 1389 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and north of Martis Creek, 500 meters W of parking area 1783 Comment
  JEPS4541  Orthocarpus cuspidatus subsp. cryptanthus Alice Eastwood Aug. 1909 255 Placer Deer Park , Deer Park (Lake Tahoe Region) Comment
  UC1063494  Orthocarpus cuspidatus subsp. cryptanthus N. French 1934-6-22 447 Placer 7/8 mi w Dulzura Lake; Truckee Quadrangle, w of Lake Dulzura Comment
  SEINET3159771  Orthocarpus pilosus G. B. Grant 1906-7-25 887 Placer Lake Tahoe, Sierra Nevada Mts. Tallac 1890 Comment
  SEINET474026  Osmorhiza berteroi M. E. Jones 1882-6-29 Placer Emigrant Gap Comment
  UC145579  Osmorhiza berteroi Harriet A. Walker 1908-6-23 1214 Placer Blue Canyon 1432 Comment
  UCD21639  Osmorhiza berteroi Rex Palmer 1979-6-20 N 308 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS126328  Osmorhiza occidentalis Steve Matson 2003-8-6 877 -2 Placer Tahoe north shore; Griff Creek Watershed above Kings Beach, CA; just west of junction of Griff Line Road and Griff Creek. Comment
  UCD128393  Osmorhiza occidentalis Albert Grigarick 2012-7-7 325 Placer Tahoe Rim Trail. Approx. 2 mi S of Martis Peak Lookout. 2332 Comment
  UCD162548  Osmorhiza occidentalis Steve Matson 2006-7-7 1640 Placer nSNH; Tahoe west shore; Ward Creek watershed, near Tahoe City. Near Page Meadows on access road from Chamoix road. 2072 Comment
  JEPS59351  Osmorhiza occidentalis Ezra Brainerd and Viola B. Baird 1915-7-25 209 Placer Garden of the Gods Deer Park Valley (head of valley) 2072 Comment
  UCD33549  Panicum acuminatum var. fasciculatum Beecher Crampton 1969-7-1 8489 Placer 1/4 mile W of Emigrant Gap post office on Interstate Hwy. 80. Comment
  UCD88542  Panicum acuminatum var. fasciculatum Beecher Crampton 1975-9-9 9279 Placer Gold Run rest area on Hwy. 80 W. Comment
  POM116001  Panicum capillare Marcus E. Jones 1882-7-3 s.n. Placer Alta Comment
  POM142851  Parnassia fimbriata Allen M. Carpenter 1892-1 s.n. Placer [Unspecified] Comment
  UCD88733  Paspalum dilatatum Beecher Crampton 1965-9-13 7496 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  UCR259868  Paspalum dilatatum George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22469 Placer Sacramento Valley, West Wise Road just east of the junction with California Lane, north of Lincoln 56 Comment
  CAS-BOT-BC259737  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mile N of Lincoln Comment
  UCR141668  Paspalum urvillei Beecher Crampton 1965-9-13 7499 Placer Sierra Nevada Mtns., Gold Run, Interstate Hwy 80 976 Comment
  UCD75685  Pectiantia breweri Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5134 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
  JEPS59356  Pedicularis attollens Ezra Brainerd and Viola B. Baird 1915-7-7 101 Placer Squaw Valley; Sierra Nevada Mountains 1981 Comment
  UC197286  Pedicularis attollens C. F. Sonne 1897-8-14 Placer near Tinker Knob; Sierra Nevada Mountains Comment
  CHSC11093  Pedicularis racemosa Lowell Ahart 1968-8-11 Placer French meadows. 1524 Comment
  RSA124122  Pedicularis racemosa E. F. Sprague 1957-7-14 1602 Placer Up slope behind Rainbow Tavern and east to end of road. Hwy 40. 1829 Comment
  SEINET13751978  Pedicularis racemosa H. A. Walker 1908-7-29 1502 Placer Cisco 1829 Comment
  CHSC11064  Pedicularis semibarbata Lowell Ahart 1969-7-30 Placer Near Handy Camp, French Meadows. 1524 Comment
  SEINET7719334  Pedicularis semibarbata Unknown 1888-6-30 Placer Summit Soda Comment
  POM120791  Pellaea brachyptera Marcus E. Jones 1882-6-28 3275 Placer Emigrant Gap. Comment
  UC197942  Pellaea breweri C. F. Sonne Aug. 1878 Placer Coldstream Comment
  CAS-BOT-BC67608  Pellaea bridgesii Alice Eastwood 1909-7-1 s.n. Placer Lake Tahoe region - Ward Pass Comment
  JEPS15110  Penstemon azureus B. Bolt 1934-7-11 96 Placer Cascade Lakes Tahoe National Forest, Truckee Quadrangle Comment
  UCR194959  Penstemon azureus subsp. angustissimus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12011 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  NY571165  Penstemon azureus var. azureus L. S. Rose 1938-9-14 38261 Placer South Fork of Yuba River, Cisco 1615.4 Comment
  NY571157  Penstemon azureus var. azureus M. J. Williams 1985-7-13 8562- 2 Placer Near the beginning of the Pacific Crest Trail, near summit of old Donner Highway, Sierra Nevada 2151.9 Comment
  JEPS59359  Penstemon gracilentus Ezra Brainerd and Viola B. Baird 1915-7-25 109 Placer Deer Park Sierra Nevada Mts. (along trail to Garden of the Gods) 2072 Comment
  LA209570  Penstemon heterodoxus Mary V. Hood; 1948-7-20 48- 26 -k* Placer Sugar Bowl, Lodge, near Nordon 2133 Comment
  CAS-BOT-BC264482  Penstemon heterodoxus var. heterodoxus C. F. Sonne 1885-7-12 258 Placer [Mount above Coldstream?] 2438 Comment
  NY601764  Penstemon heterophyllus var. purdyi A. A. Heller 1917-6-19 12748 Placer 5 miles west of Colfax Comment
  UC1063185  Penstemon heterophyllus var. purdyi C. R. Clar 1933-5-18 122 Placer n edge Auburn Sacramento Quad., n edge Auburn Comment
  HSC21008  Penstemon laetus subsp. laetus L. S. Rose 1968-6-9 68070 Placer Alta 1067 Comment
  UCR215983  Penstemon laetus subsp. leptosepalus George K. Helmkamp, Amy Barnes 2009-7-12 15181 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  UCD123928  Penstemon neotericus D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. Mesic white fir forests. 1500 Comment
  UCD21910  Penstemon newberryi Rex Palmer 1979-6-9 N 151 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  UCD21911  Penstemon newberryi Rex Palmer 1979-7-11 N 574 Placer Headwaters basin area of the North Fork of the American River. Comment
  RSA30916  Penstemon newberryi subsp. newberryi A. A. Heller 1917-6-18 12710 Placer Along the Yuba River below Cisco. 1646 Comment
  UC887196  Penstemon newberryi var. newberryi A. A. Heller 1917-6-18 12710 Placer below Cisco (along the Yuba river) Comment
  SCFS1120  Penstemon procerus E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Comment
  CDA15981  Penstemon roezlii G. F. Hrusa, J. Glazner 1999-7-17 15184 d Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC146890  Penstemon roezlii Katharine Brandegee Placer Emigrant Gap Comment
  UC566032  Penstemon roezlii G. T. Nordstrom 1934-6-19 122 Placer 0.5 mi ne of mouth Monumental Creek; Colfax Quad. 1463 Comment
  UCR207116  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2009-7-16 15225 Placer Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat 2020 Comment
  CAS-BOT-BC239575  Penstemon rydbergii var. oreocharis M. S. Jussel 1928-6-25 s.n. Placer Tahoe City Comment
  CAS-BOT-BC239576  Penstemon rydbergii var. oreocharis Geo. B. Grant 1906-7-15 7004 Placer Tahoe Tavern, Lake Tahoe Comment
  CHSC74003  Penstemon rydbergii var. oreocharis Susi Urie 1998-9-1 98 -198 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  HSC35691  Penstemon rydbergii var. oreocharis Thomas W. Nelson 1974-6-17 1374 Placer Dollar Point overlooking Lake Tahoe, N of Tahoe City 1585 Comment
  NY651286  Penstemon rydbergii var. oreocharis A. A. Heller 1909-7-16 9852 Placer Summit 2133.6 Comment
  SD247511  Penstemon speciosus George K. Helmkamp, Elizabeth A. Helmkamp 2012-6-19 19226 Placer Northern Sierra Nevada Mountains: Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road (Duncan Peak 7.5'Q) 1671 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
  POM126826  Perideridia bolanderi subsp. bolanderi Helen D. Geis 1912-07 80 Placer Deer Park Comment
  UC875330  Perideridia bolanderi subsp. bolanderi Marcus E. Jones, A. M. 1882-6-28 3603 Placer Emigrant Gap Comment
  SEINET11153843  Perideridia gairdneri subsp. borealis L. R. Miller 1933-8-27 2492 Placer Long Lake. Comment
  RSA751291  Perideridia lemmonii George K. Helmkamp, E. Helmkamp 2008-8-20 14032 Placer Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  UCD127956  Perideridia parishii subsp. latifolia F. A. MacFadden 1934-7-2 s.n. Placer American River, 1/2 mile east of Rawhide Mine. Comment
  RSA537447  Petrorhagia dubia Barbara Ertter, David M. Thompson 1989-4-9 8187 Placer Auburn-Forest Hill Road 6.2 miles southwest of Spring Garden Road junction, 8 miles northeast of Auburn. 610 Comment
  SEINET12558102 Image available Petrorhagia dubia Barbara Ertter, David Thompson 1989-1 8187 Placer Auburn-Forest Hill Road 6.2 mi SW of Spring Garden Road jct., on NW side of road, ca 8 airmiles NE of Auburn 610 Comment
  SEINET6744642 Image available Phacelia circinata Marcus E. Jones 1882-1 2813 Placer Emigrant Gap, California Comment
  SEINET9296160  Phacelia hastata var. hastata Unknown 1999-7-17 15184 e Placer Martis Valley, CA (Lat. 39deg18'39") Comment
  UCR120240  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5025 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  RSA145541  Phacelia humilis var. humilis E. R. Blakley 3816 Placer Kings Beach Lake Tahoe. 1905 Comment
  CAS-BOT-BC249047  Phacelia hydrophylloides George K. Helmkamp; E. A. Helmkamp 2010-7-28 16675 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
  UCR242331  Phacelia hydrophylloides George K. Helmkamp, E. A. Helmkamp 2010-7-28 16662 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  JEPS1195  Phacelia marcescens M. E. Jones 1882-6-27 3294 Placer Emigrant Gap Comment
  UC881156  Phacelia marcescens Lewis S. Rose 1940-5-29 40410 Placer 3 mi ne Emigrant Gap 1676 Comment
  RSA0043237  Phacelia marcescens L. S. Rose 1946-6-23 46189 Placer Rainbow, north of Cisco. 1738 Comment
  CDA25027  Phacelia mutabilis J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  SD243163  Phacelia mutabilis George K. Helmkamp, E. A. Helmkamp 2011-8-26 18175 Placer Northern Sierra Nevada Mountains: Robinson Flat, 0.1 mile south of the campground at Forest Hill Road. Open rocky flat. 2061 Comment
  UC66015  Phacelia mutabilis P. B. Kennedy and S. B. Doten 1901-8-18 416 Placer 7 mi from French Meadows; Talbots Home Camp Comment
  UC881202  Phacelia racemosa Alice Eastwood 1909-1 229 Placer Squaw Creek Lake Tahoe Region Comment
  UCD88509  Phalaris arundinacea August L. Hormay 1932-7-8 s.n. Placer W side of Lake Tahoe, 6 miles S of Tahoe Tavern. Comment
  UC1137147  Phalaris lemmonii August L. Hormay 1932-7-8 Placer w side Lake Tahoe (6 mi s of Tahoe Tavern); w side Lake Tahoe, s of Tahoe Tavern Comment
  SD212643  Philadelphus lewisii G. K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10705 Placer 0.2 mile north of Forest Hill Road on unnamed road to Lake Clementine. 487 Comment
  CHSC74048  Phleum alpinum Susi Urie 1998-8-25 98 096 B Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  JEPS75177  Phleum alpinum Gladys L. Smith 1972-8-23 3427 Placer n face Granite Chief (between junction of Pacific Trail and cirque); n face of Granite Chief 2621 Comment
  SACT001736  Phleum alpinum Michael Baad 1976-8-7 Placer 2072.0 Comment
  CDA13663  Phleum pratense G. F. Hrusa, J. Glazner 1997-8-3 14023 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Single colony with numerous individuals in upper part of wet meadow. Annual? Comment
  SACT001753  Phleum pratense D. Meyer 1983-6-18 Placer Roadside drainage ditch. 412.0 Comment
  CAS-BOT-BC232864  Phlox John H. and Hazelle A. Thomas 1956-7-21 6106 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles NE of Sacramento 2377 Comment
  UC172696  Phlox diffusa Kellogg 1870-6-16 Placer Cisco Sierra Nevada Comment
  UC23908  Phlox diffusa A. M. Carpenter 1893-8 Placer 2286 Comment
  JEPS15393  Phoenicaulis cheiranthoides C. F. Sonne 1887-6 20 Placer Truckee River; Sierra Nevada Mountains, Truckee River Comment
  UCD21481  Phyllodoce breweri Rex Palmer 1979-7-11 N 568 Placer Headwaters basin area of the North Fork of the American River. Comment
  SEINET4691685  Physocarpus capitatus George K. Helmkamp, E. A. Helmkamp 2010-1 17030 Placer Northern Sierra Nevada Mountains Foothills: along Forest Route 24 at Parker Flat and beside Forbes Creek, 1.9 miles east (airline) lf the Sugar Pine Reservoir dam. 1180 Comment
  CAS-BOT-BC76935  Pilularia americana John Thomas Howell; Gordon H. True 1972-3-17 7077 Placer Northern outskirts of Lincoln. 48 Comment
  UCSB45346  Pilularia americana Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65. Comment
  UC1051421  Pilularia americana Francia Chisaki with R. Bacigalupi and T. Robbins 1956-4-20 691 Placer Antelope (on Roseville Road, just N of Sacramento-Placer County line) Comment
  SEINET5334491  Pinus attenuata T. Kerstetter 1956-4-16 s.n. Placer 20 miles east of Baxter CA. on U.S. 40. 1219 Comment
  SEINET5334492  Pinus attenuata P. L. Comanor, B. Clark; B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 mi. from end of railroad bridge on Calif. 194. Winding road,plot located on the right,past the parking area,down path approx. 60 m. Comment
  CHSC45833  Pinus contorta subsp. murrayana Lowell Ahart 1972-7-28 129 Placer Near meadows, near Ahart Camp, French Meadows. 1615 Comment
  RSA0116436  Pinus contorta var. murrayana I. L. Wiggins 1930-10-12 5081 Placer Donner Summit. 2175 Comment
  SEINET11528646  Pinus contorta var. murrayana P. Lehenbauer 1929-11-4 s.n. Placer Fish hatchery, Tahoe City. Comment
  UC1134121  Pinus jeffreyi R. W. Lundh 1933-4-26 233 Placer 3 mi s Signal Peak; Colfax Quadrangle Comment
  SEINET5334621  Pinus jeffreyi W. D. Billings 1943-1-17 1586 Placer Truckee River canyon between Truckee & Tahoe City Comment
  SEINET5334629  Pinus jeffreyi T. C. Frantz 1951-5-22 s.n. Placer between north end of Lake Tahoe and highway near Nevada state line. Comment
  UCD133225  Pinus lambertiana Beecher Crampton 1960-11-2 5800 Placer town of Gold Run. 975 Comment
  UCD133235  Pinus lambertiana Beecher Crampton 1970-11-10 8652 Placer Nyack. 1524 Comment
  UCD23233  Pinus lambertiana Beth Lowe Corbin 1982-8-20 394 Placer 1 mile northwest of Onion Creek campground. 2072 Comment
  UC1134045  Pinus monticola R. W. Lundh 1933-4-26 240 Placer 3 mi e of Cisco; Tahoe National Forest, Truckee Quadrangle 1828 Comment
  UC1819258  Pinus ponderosa Glen E. Sindel 1955-9-25 s. n. Placer Forest Hill, northern edge of flat ridge top, ca. 50 ft W of northern edge of Forest Hill Ranger Station, Tahoe National Forest; IFG plot 68 975 Comment
  UCD135008  Pinus sabiniana Beecher Crampton 1960-11-2 5796 Placer 2 miles east of Bowman, along U.S. Highway 40. 548 Comment
  UCR146680  Pistacia atlantica Beecher Crampton 1972-9-28 8879 Placer Sacramento Valley, Applegate 579 Comment
  UCD22151  Plagiobothrys Rex Palmer 1979-6-9 N 180 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR198419  Plagiobothrys greenei George K. Helmkamp, E. A. Helmkamp 2008-4-17 13288 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  CAS-BOT-BC230949  Plagiobothrys hispidulus Alice Eastwood 1906-7-27 1066 Placer Glen Alpine Region. Fallen Leaf Lake Comment
  CAS-BOT-BC230951  Plagiobothrys hispidulus Alice Eastwood 1912-6-15 445 Placer Lake Tahoe Region. Tahoe City Comment
  CAS-BOT-BC230952  Plagiobothrys hispidulus A. A. Heller 1917-8-12 12877 Placer Southern Pacific reservoir W of Emigrant Gap, the flat about the pond Comment
  CHSC82582  Plagiobothrys hispidulus Lowell Ahart 2002-7-22 9881 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
  CAS-BOT-BC230940  Plagiobothrys hispidulus John Thomas Howell 1938-8-2 14007 Placer 5 miles N of Brockway Comment
  CAS-BOT-BC230955  Plagiobothrys hispidulus Peter Rubtzoff; Edward W. Colson 1976-7-7 8729 Placer E side of Lake Van Norden 2063 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
  UCD120892  Plagiobothrys nothofulvus John R. Davey 1966-5-14 34 Placer ca. 4 miles southwest of Colfax and 3 miles south of U.S. Highway 40. Comment
  SDSU5444  Plagiobothrys nothofulvus unknown 1948-5-20 1839 Placer 457 Comment
  UCR258241  Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Amy Barnes 2013-3-28 20241 A Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 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
  SEINET8665599  Plantago erecta S. Aarstad 1979-4-1 s.n. Placer 1/2 mile E of junct. of old & new Auburn- Forest Hills Road 792 Comment
  RSA388850  Plantago lanceolata Jon Schroeder 1975-5-24 66 Placer Spring Garden Road, just off of Auburn-Forest Hill Road. Comment
  HSC97407  Platanthera dilatata var. leucostachys A. Montalvo, J. D. Ackerman 1974-7-20 386 Placer Alpine Meadows Ski Area, W of Deer Park and Hwy. 89 2058 Comment
  UC117003  Platanthera sparsiflora C. F. Sonne 1892-7-24 Placer woods on Truckee River Sierra Nevada Mountains, Truckee River Comment
  LA206293  Platystemon californicus Carl B. Wolf; 1937-3-30 8352 Placer Sacramento Valley, 1.5 mi. E of Lincoln on Penryn Road 60 Comment
  JEPS59368  Pleuricospora fimbriolata Ezra Brainerd and Viola B. Baird 1915-7-28 117 Placer Bear Rock along Trail up Truckee River, Sierra Nevada Mountains Bear Rock Bear Rock; Sierra Nevada Mountains, Truckee River, Bear Rock 1895 Comment
  SACT001784  Poa annua D. Meyer 1984-4-15 Placer 36.97 Comment
  SACT001785  Poa annua Josephine Van Ess 1976-3-15 Placer Collected just west of Barton Road. Edge of orchard. 103.7 Comment
  CAS-BOT-BC254759  Poa bolanderi A. A. Heller 1917-8-13 12901 Placer Base of a cliff N of Summit hotel 2164 Comment
  SEINET10659108  Poa bolanderi A. Arthur Heller 1917-6-17 Heller 12701 Placer Low, gravelly places along the Yuba River below Cisco. Pinus Murrayana and Populus trichocarpa are the trees, several species of willow plentiful. Granite. 1676 Comment
  SEINET10659110  Poa bolanderi A. Arthur Heller 1917-8-13 Heller 12901 Placer Base of cliff north of Summit Hotel. The surrounding forest composed of Abies magnifica. 2164 Comment
  OBI82260  Poa bulbosa George K Helmkampf, Mary Alice Barnes 2013-5-3 20491 Placer Northern Sierra Nevada Mountains Foothills; Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  SEINET204034 Image available Poa canbyi F. J. Hermann 1955-7-27 11943 Placer along Turkee River on road to Squaw Valley, 4 miles north 1890 Comment
  SACT001831  Poa compressa D. Meyer 1983-7-16 Placer 1624.0 Comment
  SACT001833  Poa compressa D. Meyer 1983-7-16 Placer 1212.0 Comment
  UCD90842  Poa compressa Beecher Crampton 1955-7-13 2995 Placer 3.5 miles east of Baxter, along U.S. Highway 40. 1432 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
  CAS-BOT-BC255142  Poa cusickii subsp. epilis John H. and Hazelle A. Thomas 1956-7-21 6186 Placer Vicinity of Donner Pass, about 80 miles NE of Sacramento 2377 Comment
  SACT001842  Poa fendleriana Michael Baad 1983-9-3 Placer On saddle to Mount Lincoln to summit of Mount Lincoln 2529.0 Comment
  SACT001875  Poa nervosa D. Meyer 1984-8-26 Placer 1818.0 Comment
  SACT001878  Poa nevadensis Michael Baad 1976-6-10 Placer 1.5 miles from French Meadows on trail to Robinson Flat, heavily forested zone with opening, white and red fir with incense cedar. 1612.0 Comment
  UCD37045  Poa palustris Beecher Crampton 1956-7-17 3727 Placer Placer County, 0.75 mile west of Blue Canyon. Comment
  SACT001916  Poa pratensis D. Meyer 1983-8-7 Placer 24.5 km south of Placer County line moist shady area Louisiana Pacific Private Forest enterance. 1758.0 Comment
  SACT001925  Poa pratensis D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT001928  Poa pratensis D. Meyer 1984-8-26 Placer 1818.0 Comment
  UCD91817  Poa pratensis A. A. Beetle 1941-5-26 2717 Placer near Cisco. 914 Comment
  SACT001966  Poa scabrella Michael Baad 1983-7-1 Placer Road east to Lake Putt from Blue Canyon exit at I80 1615.44 Comment
  SACT001980  Poa scabrella Michael Baad 1983-5-7 Placer 2 miles east of Colfax rocky opening disturbed area. 978.0 Comment
  SACT001982  Poa scabrella Michael Baad 1983-5-5 Placer .5 mile southeast of Canyon Way Road, descending to North Fork of American River 548.64 Comment
  SACT002010  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  UCR235487  Poa secunda George K. Helmkamp, E. A. Helmkamp 2012-5-5 18932 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  UCD92249  Poa secunda subsp. juncifolia Beecher Crampton 1969-7-1 8488 Placer 1/4 mile W of Emigrant Gap P.O. (Nyack Lodge). on Interstate Hwy 80 eastbound. Comment
  UC1132787  Poa secunda subsp. secunda B. Bolt 1934-7-3 70 Placer top of Sawtooth Ridge; Colfax Quadrangle Comment
  UC821094  Poa secunda subsp. secunda A. A. Heller 1917-8-13 12917 Placer ridge nw of Donner Pass 2377 Comment
  UCD74356  Poa sierrae G. Ledyard Stebbins 1968-4-7 6671 Placer Mosquito Ridge, east of Forest Hill. Along road, 2.7 miles northeast of turnoff to P.G. and E. dam and powerhouse. (Exact location unknown. Coordinates estimated by label maker. Note book says 'same location as 6669.' This location and elevation was taken from Stebbins's notebook, however, he also made a label with different label information for 6669 that says: North Side of Mosquito Ridge, north of the Middle Fork of the American River. T14N, R12E, Section 30, elevation 3200 ft. The date on this label is 1 May 1968.) 853 Comment
  SACT002017  Poa trivialis Michael Baad 1977-6-21 Placer Junction of Foresthill to Colfax road at Weimar 977.3 Comment
  JEPS75194  Poa wheeleri Gladys L. Smith 1972-6-20 3236 Placer below Ward Peak (near volcanic tunnel) 2590 Comment
  CAS-BOT-BC244281  Podagrostis humilis Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles S of French Meadows 1600 Comment
  UCD44491  Podagrostis humilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1857 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SD3984  Polemonium californicum C. F. Sonne 1897-8-14 Placer Above Coldstream Comment
  CHSC74246  Polemonium occidentale Susi Urie; Eric Schroder 1998-9-12 98 -354 Placer Lake Tahoe Basin--National Forest. Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  UC882679  Polemonium occidentale Alice Eastwood 1909-1 61 Placer Sunnyside Lake Tahoe Region, Sunnyside Comment
  CAS-BOT-BC231287  Polemonium pulcherrimum Sherman Chickering 1974-1-1 s.n. Placer On the crest of the Sierra above Soda Springs Comment
  UC109719  Polygala cornuta var. cornuta K. Brandegee Sep 1888 Placer Blue Canyon Comment
  UC35028  Polygala cornuta var. cornuta K. E. Cole July, 1900 Placer Dutch Flat Comment
  UC615110  Polygala cornuta var. cornuta Beryl O. Schreiber 1933-7-19 869 Placer 15 mi above Colfax Comment
  UC868233  Polygala cornuta var. cornuta Marcus E. Jones, A. M. 1882-7-3 3316 Placer Colfax 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
  CAS-BOT-BC413936  Polygonum aviculare subsp. aviculare John Thomas Howell 1943-7-25 18820 Placer West side of Donner Pass near Norden 2133 Comment
  UCD43211  Polygonum bistortoides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 580 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC109146  Polygonum bolanderi Rimo Bacigalupi 1952-7-19 3853 Placer Into the North Fork of the American River, below Cape Horn, 0.5 mile above bridge on the Colfax-Iowa Hill road. 381 Comment
  JEPS14355  Polygonum bolanderi Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunsiker, D. Zohary, F. Ehrendorfer and H. Stutz 1952-7-19 3853 Placer peninsula jutting out into North Fork of the American River (below Cape Horn, 1/2 mi above bridge on Colfax-Iowa Hill road) 381 Comment
  CAS-BOT-BC414391  Polygonum californicum L. R. Abrams 1917-9-14 6754 Placer Between Roseville and Penryn Comment
  JEPS59370  Polygonum davisiae Ezra Brainerd and Viola B. Baird 1915-7-15 119 Placer Five Lakes Sierra Nevada 2298 Comment
  CAS-BOT-BC414539  Polygonum douglasii Alice Eastwood 1909-1-1 s.n. Placer Lake Tahoe Region. Sunnyside Comment
  SEINET4338949  Polygonum douglasii B. Crampton 1955-7-13 3015 Placer Bear Valley, along State Hwy 20, 1.5 mile north of Emigrant Gap 1372 Comment
  JEPS98995  Polygonum lapathifolium Lowell Ahart 2001-10-10 9364 Placer French Meadows Reservoir, near boat or trail access area on NW side of reservoir, about 1 mile SW of bridge across Middle Fork of American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  JEPS126266  Polygonum minimum Steve Matson 2003-9-6 953 Placer nSNH; Truckee River Watershed, 5 air miles west of Tahoe City; Alpine Meadows ski area. Comment
  CDA15977  Polygonum polygaloides subsp. confertiflorum G. F. Hrusa, J. Glazner 1999-7-17 15169 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CAS-BOT-BC420037  Polygonum polygaloides subsp. kelloggii John H. Thomas; Hazelle A. Thomas 1956-7-21 6180 A Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  UCD44428  Polygonum polygaloides subsp. kelloggii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1794 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  JEPS72994  Polygonum shastense Gladys L. Smith 1972-8-25 3425 Placer Granite Chief; summit area 2773 Comment
  UCD81186  Polypodium calirhiza William Haley 2009-4-6 s.n. Placer Stevens Trail near Colfax. 597 Comment
  UCR250342  Polypodium calirhiza George K. Helmkamp, Mary Alice Barnes 2013-4-18 20367 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-BC232991  Polypogon australis Saichi Kawahara 1969-7-6 1449 Placer E bank of Indian Creek, Mel Henderson Ranch 987 Comment
  CAS-BOT-BC232992  Polypogon australis Saichi Kawahara 1969-7-6 1423 Placer W of old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  SACT001570  Polypogon australis Michael Baad 1977-6-9 Placer at junction of Middle Fork of American River and Rubicon River 365.76 Comment
  UCD80607  Polypogon australis CNPS SN Foothill Team 2006-6-7 SNNR 0893 Placer Private property. 239 Comment
  UCD90408  Polypogon australis A. A. Beetle 1941-5-26 2724 Placer Near Auburn, bank of branch Rubicon River. Comment
  UCD36667  Polypogon maritimus Beecher Crampton 1955-6-15 2901 Placer Placer County, 1.5 miles west of Iowa Hill. 914 Comment
  HSC10852  Polypogon monspeliensis L. M. Malloy 1965-4-11 17 Placer 5 miles S of Auburn, 0.5 miles E of Scotty's Corner on County Road P. 58. 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-BC76723  Polystichum lemmonii G. Ledyard Stebbins 1969-7-19 6942 Placer Sierra Nevada - Monument Ridge, 3 mi. S of Yuba Gap 2057 Comment
  SEINET5729444 Image available Populus fremontii Lynn Gould 1962-1 36 Placer On P.R.E. road ca. 6 miles west from Roseville.; Roseville 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
  SCFS11529130  Populus trichocarpa E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Comment
  UC370  Potamogeton natans A. M. Carpenter 1893-8 Placer Comment
  CAS-BOT-BC143114  Potentilla breweri C. F. Sonne 1886-7-25 351 Placer Mt. Stanford Comment
  UCR171338  Potentilla fruticosa George K. Helmkamp, E. A. Helmkamp 2005-10-1 9975 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  RSA636075  Potentilla glandulosa Robert M. Rhode 1997-6-26 174 Placer Near Blackwood Creek Canyon Road, about 0.4 miles west of turnoff from Highway 89 ( c. 4 miles south of Tahoe City) 1921 Comment
  UCR173257  Potentilla glandulosa George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10445 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  UCR130215  Potentilla glandulosa subsp. ashlandica George K. Helmkamp, E. A. Helmkamp 1999-6-30 5092 Placer Northern Sierra Nevada Mtns., Soda Springs Rd 0.9 mi south of Donner Pass Rd, approaching Ice Lakes 2104 Comment
  JEPS59375  Potentilla gracilis Ezra Brainerd and Viola B. Baird 1915-7-7 123 Placer Squaw Valley near forester's house; Sierra Nevada Mts., Squaw Valley 1920 Comment
  CHSC74431  Potentilla gracilis var. fastigiata Susi Urie 1998-9-2 98 -220 Placer Lake Tahoe Basin. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UCR229457  Potentilla gracilis var. fastigiata George K. Helmkamp, E. A. Helmkamp 2011-7-26 17895 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
  SEINET6637148  Potentilla gracilis var. fastigiata M. J. Williams 1985-7-6 85- 61 -2 Placer [Sierra Nevada] Near old Donner Summit, south of Lake Mary Comment
  SEINET6637149  Potentilla gracilis var. fastigiata P. B. Kennedy, Samuel Bradford Doten 1901-8-18 410 Placer Talbots Home Camp, 7 mi from French Meadows Comment
  UC14226  Potentilla gracilis var. fastigiata Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe, Cascade Comment
  CHSC118021  Poterium sanguisorba G. K Helmkamp; E. A Helmkamp 2007-9-14 12959 Placer Foothills, northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill. 942 Comment
  SEINET8565301  Primula suffrutescens W. D. Billings 1950-7-30 1914 Placer Sierra Nevada, NE side of Squaw Peak. 2560 Comment
  POM145298  Prunella vulgaris var. lanceolata J. B. Feudge 1927-7-18 1842 Placer Bog W. of Emigrant GAp 1524 Comment
  POM70073  Prunella vulgaris var. lanceolata Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  UCR231856  Prunella vulgaris var. lanceolata George K. Helmkamp, E. A. Helmkamp 2010-8-11 16763 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  CAS-BOT-BC158581  Prunus John H. Thomas; Hazelle A. Thomas 1956-7-21 6124 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC163058  Prunus emarginata A. A. Heller 1917-6-17 12708 Placer Near the Yuba River below Cisco 1676 Comment
  JEPS127446  Prunus emarginata Steve Matson 1998-6-24 287 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  UC380841  Prunus emarginata Marcus E. Jones, A. M. 1882-5-28 2693 Placer Emigrant Gap Comment
  UC861032  Prunus emarginata Marcus E. Jones, A. M. 1882-5-28 2693 Placer Emigrant Gap Comment
  UCD130333  Prunus emarginata Albert Grigarick 2011-8-31 309 Placer Alpine Meadows Ski Resort. Approx. 300 yds W of headquarters. 2175 Comment
  UCD38503  Prunus emarginata Beecher Crampton 1955-7-13 3008 Placer Blue canyon. 1432 Comment
  UCR120252  Prunus emarginata George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5041 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCR201929  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2008-8-20 14028 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  UC1118465  Pseudognaphalium thermale G. F. Burks 1934-9-14 44 Placer Truckee River Tahoe National Forest, Truckee Quad., Truckee River 1828 Comment
  CAS-BOT-BC174808  Pseudostellaria sierrae Marcus E. Jones 1882-6-28 3287 Placer Emigrant Gap Comment
  JEPS48434  Pseudotsuga menziesii L. S. Smith Aug. 1914 Placer Cisco Comment
  UC1351095  Pseudotsuga menziesii E. Fritz 1936-1-28 8209 Placer Comment
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Jul 9 2015
  RSA690889  Pteridium aquilinum var. pubescens Viola N. Poole 1929-11 121 Placer Summit, near Southern Pacific Comment
  CDA39026  Pterospora andromedea D. G. Kelch 2011-10-3 11 .825 Placer Tahoe City. Granlibakken Resort. Comment
  UC474260  Pterospora andromedea G. W. Fetters 1929-8-2 Placer Pomins, Lake Tahoe 1950 Comment
  CAS-BOT-BC460524  Pterospora andromedea Alice Eastwood 1912-6-15 478 Placer Lake Tahoe Region: Deer Park Comment
  UCR146667  Puccinellia distans Beecher Crampton 1967-7-26 8155 Placer Sierra Nevada Mountains, near Nevada County line in Kingvale on Interstate-80 1951 Comment
  CHSC9530  Purshia tridentata J. F. Goodwin 1971-7-11 165 Placer At end of Commonwealth Drive, 0.6 mi. from intersection with Hwy. 267, 10.6 mi. east of Truckee. 1981 Comment
  UCD113259  Purshia tridentata Beecher Crampton 1975-9-22 9289 Placer Martis Valley, Truckee-Tahoe airport area, ca. 2.5 miles SE of Truckee. Comment
  UC32708  Pyrola asarifolia A. M. Carpenter 1892-8 Placer collected in Placer Co. California Comment
  SEINET7257196  Pyrola minor S. Emerson 1982-9-18 s.n. Placer Forest Hills, Mosquito Ridge Road 518 Comment
  RSA147866  Pyrola picta J. B. Feudge 1927-7-18 1726 Placer West of Emigrant Gap. 1524 Comment
  CAS-BOT-BC466093  Pyrola picta M. E. Parsons 1910-7-23 s.n. Placer Aspen Grove, Lake Tahoe Comment
  CAS-BOT-BC466094  Pyrola picta Elizabeth Parsons Hawver 1911-8-19 s.n. Placer Lake Tahoe Region: Madden Creek Comment
  SACT002678  Quercus Josephine Van Ess 1976-8-4 Placer Collected along small roadside stream just in side park on Newcastle Road. Small tree amoung other oaks. Shady canyon. 176.8 Comment
  UCD21487  Quercus Rex Palmer 1979-5-26 N 7 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  JEPS37696  Quercus X morehus J. C. Hawver 1909-4-4 Placer 3 mi sw Auburn Comment
  SEINET13953300 Image available Quercus californica A. Eastwood 1994-1 Placer Newcastle Comment
  UCD45386  Quercus chrysolepis Eric Brenner; John Hunter 1996-5-26 006 Placer Placer County, Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. Elev. 1870 m. 1870 Comment
  UCD45600  Quercus chrysolepis Beth Lowe Corbin 1982-8-11 318 Placer 1 2/3 miles SW of Onion Creek campground. Elevation 6250 ft. 1905 Comment
  CAS-BOT-BC86612  Quercus douglasii Alice Eastwood 1894-9-1 s.n. Placer Newcastle Comment
  SEINET9006638  Quercus douglasii P. L. Comanor, B. Clark, B. O'Malia 1969-5-15 s.n. Placer Approx 3 miles west of Colfax plot (1.85 mi. from end of railroad bridge on Calif. 194) up a dirt road located 1/2 mile past Bear Creek bridge additional 4/10 mi. Comment
  UCD124134  Quercus durata Ellen Dean; Marcel Rejmanek 2012-10-9 7508 Placer Along Mosquito Ridge Road, ca. one road mile E of junction with Foresthill Road. 868 Comment
  UCD45973  Quercus durata Carl Chapman 1978-5-13 25 Placer 4 rd mi. E. of French Meadow Road and Forest Hill Road. 914 Comment
  CAS-BOT-BC62792  Quercus garryana var. breweri C. Hart Merriam 1911-11-5 s.n. Placer About 3 mi. northwest of Colfax Comment
  SACT002135  Quercus kelloggii Michael Baad 1977-6-1 Placer douglas fir forest and huckleberry oak with openings 1341.12 Comment
  SACT002138  Quercus kelloggii Michael Baad 1977-6-2 Placer Descending to North Fork American River from south, 2 km Northeast of Westville and 2 km North of Forest Hill Divide Road 853.0 Comment
  SFV8725  Quercus kelloggii R. F. Denno 1967-5-6 75 Placer Sierra Nevada 1.5 miles north of Colfax, south of Bear River. 671 Comment
  CAS-BOT-BC105308  Quercus kelloggii Emily K. Mcpherson 1976-9-19 76- 27 -4 Placer Middle Fork of the American River 1828 Comment
  CAS-BOT-BC104587  Quercus vacciniifolia L. S. Smith 1925-9-10 49461 Placer Tahoe Forest. Emmigrant Gap South of Ry. 1676 Comment
  SACT002710  Quercus vacciniifolia James Grove 1977-7-15 Placer 2000.0 Comment
  UCD144216  Quercus vacciniifolia Frederic Hrusa; L. Serafini 1993-6-29 11248 Placer south side of French Meadows Reservoir immediately below dam. 1500 Comment
  UC405494  Quercus wislizeni Francis Ramaley 1917-4-24 11144 Placer Auburn Comment
  UCD47631  Quercus wislizeni Gordon H. True 1971-4-21 6529 Placer Auburn Ravine just west of Lincoln, Placer County. 49 Comment
  CDA19799  Quercus wislizeni K. Kosta, C. Blomquist November 2001 s.n. Placer Northern California; No location data provided. 0 Comment
  SACT002729  Quercus wislizeni Josephine Van Ess 1976-9-8 Placer Collected in vicinity of Juergenson Ranch. Roadside in open pastureland. 335.3 Comment
  CDA16823  Raillardella argentea G. F. Hrusa, J. Glazner 2001-7-15 15964 Placer Sierra Nevada; North summit face of Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  SEINET9363375  Raillardella argentea Unknown 2001-7-15 15964 Placer Uncom perennial in mats to 2ft across on open talus slopes, subalpine N summit face of Crows Nest Pk. immed. W of Sugarbowl. Heads discoid, disk flrs yellow. More than 1 individual included within this collection UTM: 10S, 4354335 N, 0728591 E Comment
  UCD18260  Raillardella argentea E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 472 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  CAS-BOT-BC186684  Ranunculus Saichi Kawahara 1969-5-24 851 Placer Near garden, Mel Henderson Ranch, east bank of Indian Creek 1005 Comment
  CHSC73983  Ranunculus alismifolius var. alismellus Susi Urie 1998-9-1 98 -181 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
  JEPS59383  Ranunculus alismifolius var. alismellus Ezra Brainerd and Viola B. Baird 1915-7-15 131 Placer Five Lakes Sierra Nevada Mts. 2298 Comment
  UC827591  Ranunculus alismifolius var. alismellus Alice Eastwood Jun 15 1912-Jun 19 1912 383 Placer Deer Park Lake Tahoe Region Comment
  CAS-BOT-BC379276  Ranunculus alismifolius var. alismellus A. A. Heller 1917-6-17 12712 Placer low, grassy places along the Yuba river below Cisco 1676 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-BC379438  Ranunculus alismifolius var. hartwegii E. R. Drew 1925-5-18 s.n. Placer Hobart Mills Comment
  CDA24300  Ranunculus aquatilis var. hispidulus H. R. Danielson 1962-4-28 Placer Highway 99E to Lincoln, ca. 5 miles north of Roseville. 0 Comment
  SD241161  Ranunculus bonariensis var. trisepalus George K. Helmkamp, E. A. Helmkamp 2011-5-12 17253 Placer Southern Sacramento Valley: south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mile west of Industrial Ave. (Roseville 7.5'Q) 41 Comment
  SD44658  Ranunculus hebecarpus Darley F. Howe 1951-5-1 2101 Placer Placer Co. 456 Comment
  UC827908  Ranunculus occidentalis Lewis S. Rose 1940-6-2 40465 Placer 10 mi n Tahoe City; Truckee River 1828 Comment
  UCR207887  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2009-4-22 14569 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  JEPS59414  Ranunculus occidentalis Viola B. Baird 1915-6-27 133 Placer above Bear Rock; Sierra Nevada Mts., Sheep Meadow 2164 Comment
  SEINET12100621  Ranunculus occidentalis J. F. Bright, Wyman, C. 1933-1 8455 Placer Auburn Comment
  RSA400016  Ranunculus occidentalis var. eisenii Wm Vortriede 1926-1 s.n. Placer Lake Tahoe. Comment
  SD114130  Ranunculus occidentalis var. occidentalis none given 1948-5-21 1931 Placer Placer Co. 456 Comment
  UC1551905  Ranunculus orthorhynchus var. orthorhynchus Lyman Benson 1948-7-17 12924 Placer Cisco Grove Sierra Nevada Mt. Range, Sacramento Area Drainage Area, S. F 1798 Comment
  SEINET3082372  Ranunculus uncinatus Marcus E. Jones 1882-6-28 3308 Placer Emigrant Gap. Comment
  CHSC96467  Raphanus raphanistrum Lowell Ahart; Brian Williams 2007-4-13 13640 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UCR253815  Raphanus raphanistrum George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20100 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  SBBG27366  Rhamnus ilicifolia C. L. Hitchcock 1940-5-14 6371 Placer Meier Ranch, ca. 6 mi N of Colfax 762 Comment
  UC1121927  Rhamnus rubra N. French 1933-9-14 101 Placer Greek Store Tahoe National Forest, Colfax Quad. 1676 Comment
  SEINET13946366 Image available Rhamnus rubra A. A. Heller 1917-1 12736 Placer Dry gravelly ridge, Emigrant Gap, elevation 5300 ft 1615 Comment
  RSA1845  Rhamnus rubra subsp. obtusissima Carl B. Wolf 1930-10-11 1730 Placer 4 miles W of Emigrant Gap. 1372 Comment
  UC1121762  Rhamnus tomentella subsp. tomentella N. French, R. Clar 1933-6-2 64 Placer near Clipper Gap; Sacramento Quad. 609 Comment
  UC877119  Rhododendron occidentale C. L. Hitchcock 1940-5-14 6399 Placer 6 mi n of Colfax (Meier Ranch); Meier Ranch 762 Comment
  CAS-BOT-BC108699  Ribes cereum Alice Eastwood 1912-6-15 370 Placer Lake Tahoe Region. Deer Park. 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
  UC170080  Ribes inerme var. inerme Miss Helen D. Geis 1912-6 50 Placer Deer Park Comment
  HSC103235  Ribes montigenum Jade Paget-Seekins 2010-7-19 49 Placer Mountains west of Lake Tahoe, up Forest Route 3 past the Ellis Peak trailhead, left onto road toward Miller Meadows. 2280 Comment
  UC147585  Ribes roezlii Harriet A. Walker 1908-6-23 1222 Placer Blue Canyon 1432 Comment
  CAS-BOT-BC186200  Ribes roezlii var. roezlii Frances I. Price 1919-8-1 s.n. Placer Fallen Leaf Lake Comment
  CAS-BOT-BC186209  Ribes roezlii var. roezlii J. F. Emmel 1968-7-25 96 Placer Near Lake Mary, Donner Pass 2103 Comment
  UCR200876  Ribes roezlii var. roezlii George K. Helmkamp, E. A. Helmkamp 2008-9-15 14109 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  CAS-BOT-BC168774  Ribes viscosissimum A. A. Heller 1909-7-16 9847 Placer Summit 2133 Comment
  CAS-BOT-BC362921  Rigiopappus leptocladus L. S. Smith 1932-5-11 2649 Placer Tahoe National Forest. Along Forest Hill road 457 Comment
  CAS-BOT-BC362922  Rigiopappus leptocladus L. S. Smith 1932-5-4 2649 Placer Tahoe National Forest. Along Forest Hill road 457 Comment
  UCR259870  Robinia pseudoacacia George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22468 Placer Sacramento Valley, West Wise Road just east of the junction with California Lane, north of Lincoln 56 Comment
  SEINET10939976  Robinia pseudoacacia Mary Susan Taylor 1975-5-10 Taylor 574 Placer Ca. 2 mi S of Auburn on Hwy 49, at bridge over American River, ca. 40 ft E of the bridge on N side of road; with Tunica prolifera, Toxicodendron diversilobum, Plantago lanceolatum. With Kevin Marsh. 213 Comment
  CAS-BOT-BC74619  Rorippa curvisiliqua A. A. Heller 1917-6-19 12738 Placer Emigrant Gap. 1615 Comment
  CDA15663  Rorippa curvisiliqua G. F. Hrusa, J. Glazner 1999-7-18 15205 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 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
  UCD15151  Rorippa microphylla Phyllis Adams 1982-5-15 52 Placer California Placer Co.; in the American River Canyon; 167 Comment
  UC10753  Rorippa palustris Mrs. M. M. Hardy 1893-1 Placer Comment
  UC12925  Rosa bridgesii Mrs. M. M. Hardy 1893-1 Placer Comment
  UCR231870  Rosa californica George K. Helmkamp, E. A. Helmkamp 2010-10-16 17026 Placer Northern Sierra Nevada Mountains Foothills, along Forest Route 24 at Parker Flat and beside Forbes Creek, 1.9 miles east (airline) of the Sugar Pine Reservoir dam 1180 Comment
  RSA2854  Rosa woodsii Carl B. Wolf 1931-9-10 2421 Placer Moist hollow near R.R between Tahoe Tavern and head of Truckee River. 1921 Comment
  SEINET7704065  Rosa woodsii var. ultramontana P. A. Lehenbauer s.n. Placer Lake Tahoe, Carnelian Bay. Comment
  UCD113781  Rubus glaucifolius G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12053 Placer Northern Sierra Nevada Mountains Foothills; along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  UCR231851  Rubus laciniatus George K. Helmkamp, E. A. Helmkamp 2010-8-11 16752 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  CHSC9515  Rubus parviflorus J. F. Goodwin 1971-7-10 154 Placer 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. sw of Cornelian Bay. 1981 Comment
  OBI20137  Rubus parviflorus David J. Keil 1978-7-23 12938 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  UC13002  Rubus ursinus H. N. Bolander 4532 Placer North Fork American River near Auburn; North Fork American River 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
  CHSC74249  Rumex acetosella Susi Urie; Eric Schroder 1998-9-8 98 -304 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UCD100984  Rumex acetosella Amelie Blyth 1952-5-11 9- 2 Placer At junction of north fork and middle fork of American River, near Auburn. Comment
  UCD14635  Rumex acetosella Deanna Lynn Pfleger 1989-5-20 16 Placer Placer Co.; 30 miles from Auburn along Mosquito Ridge Road; 498 Comment
  UCD101614  Rumex salicifolius A. A. Heller 1917-6-19 12734 Placer Emigrant Gap. 1615 Comment
  CHSC72883  Rumex salicifolius var. triangulivalvis L. P. Janeway; Eric Schroder 1998-7-13 5748 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CHSC74116  Rumex salicifolius var. triangulivalvis Susi Urie 1998-8-19 98 -080 Placer Lake Tahoe Basin Management Unit - National Forest. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD22305  Salix Beth Lowe Corbin 1982-8-24 415 Placer 2 1/2 miles SE of The Cedars. In wet, fine sandy, rocky soil, along stream in Red Fir forest. Loosely branched shrub to 5' high. Old bark smooth, grey. Partial sun. NE facing slope, 20% incline. Common. 2118 Comment
  CAS-BOT-BC103554  Salix eastwoodiae W. R. Dudley 1900-6-14 5046 Placer Half-way up the loop road from Donner lake to Summit Comment
  CAS-BOT-BC103600  Salix eastwoodiae W. R. Dudley 1900-6-1 5354 Placer between head of Independence Lake and Mt. Lola Comment
  CAS-BOT-BC103609  Salix eastwoodiae W. R. Dudley 1900-6-15 5123 Placer on flat north east of Lake Mary Comment
  CAS-BOT-BC103618  Salix eastwoodiae Marcus E. Jones 1900-7-26 s.n. Placer Summit, Sierra Nevada Mts. 2499 Comment
  UC1134856  Salix eastwoodiae B. Bolt 1934-7-12 102 Placer Snow Mt.; Tahoe Nat'l Forest, Truckee Quadrangle Comment
  UCD22318  Salix eastwoodiae Rex Palmer 1979-7-11 N 590 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC103755  Salix exigua Gordon H. True 1963-5-15 1249 Placer Near Penryn 152 Comment
  UC846678  Salix exigua Marcus E. Jones, A. M. 1882-6-28 3486 Placer Emigrant Gap Comment
  UC1134883  Salix geyeriana H. S. Yates 1934-6-29 3917 Placer near Tahoe City Tahoe City; Tahoe Nat'l Forest, Truckee Quadrangle Comment
  UCD44512  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1878 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44528  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1894 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC107851  Salix gooddingii Gordon H. True 1968-7-30 4455 Placer Just east of Rocklin, on Rocklin Road 76 Comment
  CAS-BOT-BC108209  Salix hindsiana Gordon H. True 1971-4-21 6526 Placer Auburn Ravine just west of Lincoln 49 Comment
  UC5021  Salix laevigata var. congesta unknown 1861-1 4632 Placer New Castle Comment
  UCD43159  Salix lasiandra C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 527 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC477570  Salix lasiandra subsp. lasiandra L. S. Smith 1931-8-27 2626 Placer French Meadows Tahoe Nat'l Forest, French Meadows Comment
  UCD16131  Salix lasiandra var. abramsii Sutton 1984-5-19 14 Placer Califorina. Placer County: Blue Canyon Rd., 3 mi off Hwy 80 along river bank. 1371 Comment
  POM107147  Salix lasiolepis Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC124757  Salix lemmonii W. R. Dudley 1900-6-14 5096 Placer East of hotel at Summit Comment
  CAS-BOT-BC124771  Salix lemmonii A. A. Heller 1917-6-17 12721 Placer along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC124772  Salix lemmonii W. R. Dudley 1900-6-14 5067 Placer Between Donner Lake and Summit Comment
  CAS-BOT-BC124775  Salix lemmonii W. R. Dudley 1900-6-14 5065 a Placer Between Donner Lake and Summit on loop grade Comment
  CAS-BOT-BC124776  Salix lemmonii W. R. Dudley 1900-6-14 5066 Placer Between Donner Lake and Summit Comment
  SD43610  Salix lemmonii Darley F. Howe 1948-5-22 Placer Placer Co. 1707 Comment
  SEINET10412519  Salix lemmonii T. C. Frantz 1951-4-22 s.n. Placer 5 miles E of Truckee. Comment
  SEINET10412529  Salix lemmonii A. A. Heller 1909-7-16 9842 Placer Summit. 2134 Comment
  CHSC9586  Salix lucida subsp. caudata E. L. Smith 1971-4-16 960 Placer At Tahoe Vista, e of city limits near King's Beach. 580 Comment
  RSA31128  Salix lucida subsp. lasiandra A. A. Heller 1917-6-19 12747 Placer 5 miles W of Colfax. Comment
  UC477571  Salix melanopsis L. S. Smith 1931-8-27 Placer French Meadow Tahoe Nat'l Forest, French Meadow Comment
  SDSU9458  Salix scouleriana D. F. Howe 1948-5-22 1821 Placer 1219 Comment
  UC1135094  Salix scouleriana N. French 1934-5-31 380 Placer 1/2 mi. e. Texas Hill; Tahoe Nat'l Forest, Colfax Quad. Comment
  UCD33617  Salix scouleriana Beecher Crampton 1970-11-10 8656 Placer Placer County, Emigrant Gap, downslope from Hwy. 80 east. 1524 Comment
  UCR229555  Sambucus mexicana George K. Helmkamp, E. A. Helmkamp 2011-7-26 17902 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  POM285025  Sambucus microbotrys Lyman Benson 1933-6-26 4547 Placer Donner Pass 2134 Comment
  CAS-BOT-BC238838  Sambucus nigra subsp. caerulea Peter H. Raven 1956-8-4 9989 Placer Blue Canyon 1432 Comment
  UC1119893  Sambucus racemosa var. microbotrys N. French 1934-6-10 407 Placer near Lake Van Norden; Tahoe National Forest, Truckee Quadrangle 1920 Comment
  UCD44485  Sambucus racemosa var. microbotrys C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1851 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SD243199  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2010-8-11 16753 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek. 1085 Comment
  UCR231868  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2010-10-16 17017 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
  UCR253126  Sanguisorba minor subsp. muricata George K. Helmkamp, Amy Barnes 2014-4-23 22806 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  SD239555  Sanicula bipinnata George K. Helmkamp, E. A. Helmkamp 2012-5-5 18933 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
  UC420483  Sanicula bipinnatifida C. F. Sonne 1891-5-17 1465 Placer Colfax 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
  CHSC57341  Sanicula crassicaulis W. Schierenberg 1988-3-28 6 Placer Ca. 1.5 km e of Rocklin, 100 m n of Dry Creek. 71 Comment
  UCR194970  Sanicula crassicaulis George K. Helmkamp, E. A. Helmkamp 2007-5-18 12001 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.3 miles northeast of the bridge over the junction of North and West Forks of the American River 485 Comment
  CHSC82521  Sanicula tuberosa Lowell Ahart 2002-7-22 9876 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
  CDA38882  Sarcodes sanguinea R. Covey 1980-6-15 s.n. Placer Ca. 5 km from the north shore of Lake Tahoe, near Kings Beach on Crystal Bay [?]. 0 Comment
  JEPS82987  Saxifraga G. L. Stebbins 1970-4-4 6990 Placer 1/2 mi e of crossing of North Fork (American River, on road from Colfax to Forest Hill); Shirttail Canyon, American River 457 Comment
  POM308716  Saxifraga aprica Betty J. Jorgensen 1944-6-24 492 Placer Cascade Lakes about 6 miles SW of Soda Springs. Comment
  UC585093  Saxifraga aprica E. B. Babcock, G. L. Stebbins Jr. 1936-6-2 1584 Placer about 3 mi e of Emigrant Gap (between main road and Nevada City Road) 1767 Comment
  POM141734  Saxifraga bryophora C. F. Sonne 1897-7-18 s.n. Placer [Above ?], Truckee. Comment
  SEINET12220593  Saxifraga bryophora C. F. Sonne 1884-1 89 Placer above Coldstraw Comment
  POM260084  Saxifraga californica C. L. Hitchcock 1940-5-7 6345 Placer 1 mile west of Baxter Comment
  UC1561206  Saxifraga californica Barbara Ertter with David Thompson 1989-4-8 8167 Placer near entrance to Auburn State Recreation Area (at creek crossing, Iowa Creek Road, 2 mi from I-80) 518 Comment
  POM92828  Saxifraga nidifica Marcus E. Jones 1882-7-1 3587 Placer Emigrant Gap. Comment
  CDA16798  Saxifraga odontoloma G. F. Hrusa, J. Glazner 2001-7-15 15937 Placer Sierra Nevada; N face of Crows Nest Pk. immed. W of Sugarbowl. 2316 Comment
  UC186747  Saxifraga oregana C. F. Sonne 1884-8-24 Placer above Coldstream Comment
  JEPS72254  Saxifraga tolmiei Gladys L. Smith, Betsy Wilson 1972-8-26 Placer Granite Chief 2560 Comment
  CAS-BOT-BC418383  Saxifragaceae Saichi Kawahara 1969-7-6 1459 Placer Meadow, Mel Henderson Ranch, east bank of Indian Creek 999 Comment
  CHSC73483  Schoenoplectus acutus var. occidentalis L. P. Janeway; Eric Schroder 1998-9-16 6326 Placer Lake Tahoe Basin. Southwestern border of Lily Lake; head of McKinney Creek, about 2.7 mi southwest of Lake Tahoe. Neear shore of lake. 2164 Comment
  SEINET10292131  Schoenoplectus pungens R. D. Olson 1949-5-14 19 Placer US Highway 40, Roseville City Limit 61 Comment
  CAS-BOT-BC35625  Scirpus congdonii Saichi Kawahara 1969-5-25 1006 Placer Mel Henderson Ranch, Indian Creek 975 Comment
  UCD44575  Scirpus congdonii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1941 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC110997  Scirpus microcarpus Lewis Samuel Rose 1944-7-25 44238 Placer Chambers Lodge, Lake Tahow meadow 1920 Comment
  UCD34139  Scleranthus annuus subsp. annuus Beecher Crampton 1977-4-3 9463 Placer Placer County, 3.5 miles north of Auburn, just east of Elder's Corner on Dry Creek Road. Comment
  UCD98504  Scleranthus annuus subsp. annuus G. D. Barbe 1985-7-15 4238 Placer 10 miles east of Auburn, 1 mile northeast of Meadow Vista on Placer Hills Road. Comment
  UCD92500  Scribneria bolanderi Beecher Crampton 1957-5-7 3987 Placer 2 miles north of Lincoln. Comment
  UC767432  Scrophularia californica R. F. Hoover 1939-5-10 4088 Placer 2 mi e Lincoln Comment
  JEPS11416  Scrophularia californica subsp. floribunda R. F. Hoover 1939-5-10 4088 Placer 2 mi e Lincoln Comment
  UCD40932  Sedella pumila Sook Hong 1989-5-20 14 Placer Placer Redwood Grove. 548 Comment
  UC191156  Sedum lanceolatum C. F. Sonne 1885-7-12 Placer Tinker's Knob Tinker's Knob (ne Placer County) 2590 Comment
  CAS-BOT-BC59086  Sedum spathulifolium Marcus E. Jones 1882-6-30 3345 Placer Emigrant Gap Comment
  CAS-BOT-BC59070  Sedum spathulifolium Charles von Geldern 1912-5-1 s.n. Placer Cedar Glen Comment
  SD95201  Sedum spathulifolium J. F. Addicott 1965-5-4 80 Placer 1.0 mile from Colfax on road to Owl Hill. 609 Comment
  SEINET6340504  Selaginella scopulorum H. N. Mozingo 1975-9-21 75 -50 Placer Auburn, 2 miles south at junction of north and middle fork of American River, about 150 feet above river. 274 Comment
  CAS-BOT-BC69716  Selaginella wallacei D. L. Smith; G. L. Stebbins 1976-7-3 C 7679 Placer NW. side of Ralston Ridge, above Middle Fork American River just e. of Big Crater. 1249 Comment
  CAS-BOT-BC69721  Selaginella wallacei G. Ledyard Stebbins 1969-11-30 6981 Placer Shirttail Canyon on Colfax - Forest Hill Road. 365 Comment
  UCD75753  Selaginella watsonii Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5220 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-BC363364  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer Ca. 1 mile west of Baxter Comment
  UCD41247  Senecio integerrimus Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1702 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-BC363912  Senecio integerrimus var. exaltatus M. Alice King 1923-6-1 s.n. Placer Summit Comment
  CAS-BOT-BC363999  Senecio integerrimus var. major John Thomas Howell 1925-6-27 1192 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  UC91697  Senecio integerrimus var. major C. F. Sonne July 1897 Placer Squaw Valley Comment
  UCD170424  Senecio integerrimus var. major G. W. Forister 2017-6-15 s.n. Placer Onion Valley; 7 miles south of I-80 on Texas Hill Road. 1465 Comment
  CAS-BOT-BC364156  Senecio serra Elizabeth Parsons Hawver No date on label s.n. Placer Tahoe City, Lake Tahoe Region Comment
  CAS-BOT-BC249054  Senecio triangularis George K. Helmkamp; E. A. Helmkamp 2010-8-14 16795 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
  RSA473091  Senecio triangularis Wm. Martin 1971-9-10 20266 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  UC492744  Senecio triangularis G. W. Fetters 1929-7-10 Placer near Pomin's (Lake Tahoe); , Pomin's Comment
  SEINET9323577  Sericocarpus oregonensis subsp. californicus Unknown 1975-9-9 9280 Placer Placer Comment
  CDA37687  Setaria faberi Breckenridge 2004-6-2 s.n. Placer Loomis, along Taylor Road. 0 Comment
  UCD32975  Setaria pumila Beecher Crampton 1965-9-13 7494 Placer Placer County, Gold Run, Interstate Hwy. 80. 975 Comment
  SACT002097  Setaria viridis D. Meyer 1984-8-17 Placer 4.8 km west of exit. 1291.0 Comment
  CDA37051  Sherardia arvensis CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  SBBG27400  Sherardia arvensis C. L. Hichcock 1940-5-7 6352 Placer ca. 1 mi W of Baxter Comment
  UC871517  Sidalcea asprella subsp. nana C. L. Hitchcock 1940-5-14 6390 Placer ca 6 mi n Colfax (Meier Ranch); n of Colfax, Meier Ranch 762 Comment
  UC112805  Sidalcea glaucescens Katharine Brandegee 1908-7-1 Placer Donner, Summit Station Donner; , Summit Station Comment
  UC750673  Sidalcea glaucescens Lewis S. Rose 1941-7-14 41314 Placer Homewood , Homewood (Lake Tahoe) 1920 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
  UCR171347  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2005-10-1 9984 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  UCR207124  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2009-7-16 15221 Placer Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat 2020 Comment
  JEPS59421  Sidalcea glaucescens Ezra Brainerd and Viola B. Baird 1915-7-21 141 Placer along trail from Bear Rock to L. Tahoe; Sierra Nevada Mts., from Bear Rock to L. Tahoe 1889 Comment
  SDSU8178  Sidalcea glaucescens D. F. Howe 1965-5-21 Placer Canyon of south side of north fork of American River between Forest Hill and Yankee Jims. 914 Comment
  SD44647  Sidalcea hartwegii Darley F. Howe 1951-5-2 2107 Placer 4.0 miles north of Auburn. 456 Comment
  UC871458  Sidalcea hartwegii C. L. Hitchcock 1940-5-15 6404 Placer 6 mi n Colfax; n of Colfax Comment
  UCD116793  Sidalcea malviflora Ted Niehaus 1959-4-19 69 Placer Yankee Jims diggins, Shirttail Road. Comment
  UCD15658  Sidalcea malviflora Jessica Le 1989-6-3 19 Placer Out of Colfax city, onto Rd 174. 609 Comment
  UCR170806  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2005-9-30 9950 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR241354  Sidalcea malviflora subsp. asprella George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19821 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.7 mile north of Robinson Flat Campground, about 26 miles northeast of Foresthill, Tahoe National Forest 2034 Comment
  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
  CHSC74099  Sidalcea oregana subsp. spicata Susi Urie 1998-8-17 98 -046 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 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
  RSA305931  Silene californica Fay A. MacFadden 1934-3-31 12424 Placer Hillsides near Colfax. Comment
  SEINET5726595 Image available Silene californica J. F. Addicott 1965-1 55 Placer on east side of Interstate Highway 80, .3 mile north of Colfax.; Colfax 732 Comment
  UC8424  Silene californica Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD98570  Silene csereii Lester J. Berry 1969-5-15 s.n. Placer Foresthill. Charles Finning Property. Comment
  CAS-BOT-BC386978  Silene douglasii J. T. Howell 1943-7-21 18634 Placer Donner Pass to Mt. Lincoln Comment
  CDA16822  Silene douglasii G. F. Hrusa, J. Glazner 2001-7-15 15962 Placer Sierra Nevada; Crows Nest Pk. immed. W of Sugarbowl. 2346 Comment
  SEINET9336058  Silene douglasii Unknown 2001-7-15 15938 Placer Scattered perennial on steep rocky & gravelly, subalpine slopes, N side at summit of Crows Nest Pk. immediately W of Sugarbowl. Comment
  UC465664  Silene douglasii Katharine Brandegee July, 1908 Placer Alta Comment
  SD237401  Silene gallica G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15903 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, at Miners Valley Road, 4.5 miles south of junction with CA-49 at Pilot Hill (Pilot Hill 7.5'Q) 287 Comment
  UCD98710  Silene gallica Greg Vita 1978-5-7 24 Placer W. slope of Folsom Lake, 1.2 miles N of Twin Rocks Road along Boulder Road. 152 Comment
  CAS-BOT-BC386895  Silene gallica John Thomas Howell; Gordon H. True 1971-5-26 47620 Placer northern limits of Lincoln 48 Comment
  UCD150317  Silene invisa James A. Neilson Jr. 1970-1 1986 Placer Tahoe Basin, Lower Ward Creek, Section 232 E. 2011 Comment
  UCD159849  Silene invisa G. Ledyard Stebbins; Charlotte Pyles 1979-7-31 s.n. Placer North slope of ridge between Soda Springs, on North Fork American River, and Lyons Peak. 2072 Comment
  UCR240908  Silene invisa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19230 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  UCD164612  Silene laciniata subsp. californica Brandi Sorensen 1995-6-1 19 Placer .73 kilometers northwest of Colfax. 671 Comment
  CAS-BOT-BC389027  Silene laciniata subsp. californica G. Earnhart 1961-4-2 6 Placer 2 1/2 miles east of Auburn, north fork of American River 396 Comment
  UCR191109  Silene lemmonii George K. Helmkamp, E. A. Helmkamp 2007-6-12 12318 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  UC8507  Silene lemmonii Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD99126  Silene vulgaris G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12953 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCD150489  Sisymbrium altissimum James A. Neilson Jr. 1971-7-25 2282 Placer Tahoe Basin, 1/2 mile north of Tahoma. 1920 Comment
  SACT002256  Sitanion jubatum Michael Baad 1976-6-3 Placer Descending towards Middle Fork on road from Forest Hill to French Meadows. 1.5 miles east of Forest Hill. 701.0 Comment
  UC147619  Smilacina racemosa Harriet A. Walker 1908-6-23 1226 Placer Blue Canyon 1432 Comment
  UCR191091  Smilacina racemosa George K. Helmkamp, E. A. Helmkamp 2007-6-12 12314 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  RSA569206  Smilacina stellata var. sessilifolia Bonnie C. Templeton 1931-7-4 1502 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  CDA5934  Solanum dimidiatum Clark, Margaret Bellue 1945-10-11 Placer Southern Pacific yards, Roseville. 0 Comment
  CDA5939  Solanum dimidiatum K. L. Milam 1968-7-15 Placer Sierra Nevada; 221 Elm Street, Roseville. Comment
  JEPS59426  Solanum umbelliferum Ezra Brainerd and Viola B. Baird 1915-7-7 146 Placer Squaw Valley; Sierra Nevada Mountains, Squaw Valley 1920 Comment
  SEINET6186039  Solanum umbelliferum D. Erskine 1941-4-13 30 Placer American River Canyon, between Auburn and Folsom 183 Comment
  UCR190588  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2007-9-14 12964 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 15 miles east of Foresthill 832 Comment
  CHSC72868  Solidago elongata L. P. Janeway; Eric Schroder 1998-7-13 5747 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  JEPS113108  Soliva sessilis Lowell Ahart, Brian Williams 2007-4-13 13634 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
  SEINET9327121  Soliva sessilis Unknown 2002-5-27 271 Placer Shady lawn next to parking lot to American River Bike Trail to Folsom Lake State Rec Area. UTM: 10S 4285645 N, 0659288 E Comment
  SCFS1121  Sorbus E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. 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-BC157302  Sorbus californica Dr. Kellogg 1870-7-9 s.n. Placer Summit Comment
  CAS-BOT-BC157305  Sorbus californica Alice Eastwood 1919-1-1 314 Placer Deer Park Comment
  POM366677  Sorbus californica Wm. Martin 1971-9-10 20274 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  CAS-BOT-BC389928  Spergula arvensis John Thomas Howell; Gordon H. True 1971-5-26 47644 Placer Northern limits of Lincoln 48 Comment
  NY482325  Spergularia bocconi E. J. Neese 1985-10-1 17298 Placer Gold Run rest stop along I-80 between Sacramento and Reno 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
  SEINET5337300  Spergularia villosa S. Brent 1972-10-8 s.n. Placer Auburn, American River. 427 Comment
  UC1601325  Sphaeromeria potentilloides var. potentilloides W. D. Bliss June 1888 Placer Tahoe Comment
  JEPS126339  Sphenosciadium capitellatum Steve Matson 1997-7-24 129 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; dirt road extension of North Ave. at junction with west fork of Snow Creek. Comment
  UC1128702  Spiraea densiflora N. French 1934-6-8 403 Placer Cisco Butte; Tahoe National Forest, Colfax Quad. 1920 Comment
  CDA15666  Spiraea splendens G. F. Hrusa, J. Glazner 1999-7-18 15210 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC74328  Spiranthes porrifolia Susi Urie 1998-8-27 98 -126 Placer Middle of Page Meadows; about 2 miles west of Lake Tahoe and Sunnyside. 2121 Comment
  UCD150748  Spiranthes romanzoffiana James A. Neilson Jr. 1970-8-28 1861 Placer Tahoe Basin, Paige meadows. 2103 Comment
  UCD93124  Sporobolus cryptandrus Beecher Crampton 1967-7-26 8166 Placer 1 mile E of Roseville, Interstate Hwy. 80W. Comment
  SEINET3163883  Spraguea umbellata H. A. Walker 1908-6-23 1207 Placer Blue Canon Station, in the Sierra Nevada 1470 Comment
  UCD43293  Stachys rigida subsp. rivularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 661 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCR171735  Stellaria media George K. Helmkamp, E. A. Helmkamp 2006-2-9 10059 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  UCR208281  Stellaria media George K. Helmkamp, E. A. Helmkamp 2009-5-7 14635 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  SEINET5337367  Stellaria media L. Killinger 1962-3-17 s.n. Placer 3 miles east of Auburn on north fork of American River. 396 Comment
  RSA20898  Stellaria nitens C. B. Wolf 1937-3-30 8361 Placer Sacramento Valley, 2 mi. N of Lincoln. 53 Comment
  JEPS72173  Stenotus acaulis Gladys L. Smith 1972-6-20 3214 Placer Ward Peak in gravel on open plateau about terminus of Summit Chairlift 2621 Comment
  UC170071  Stenotus acaulis Miss Helen D. Geis 1912-6 54 Placer Deer Park. Crag Summit Comment
  UC197335  Stenotus acaulis C. F. Sonne 1897-7-18 Placer Truckee Knob 2743 Comment
  UCD50255  Stephanomeria lactucina A. M. Shapiro 2004-7-21 s.n. Placer near Soda Springs. 2133 Comment
  UCD75948  Stephanomeria lactucina Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5189 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
  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
  SACT002331  Stipa californica Michael Baad 1976-8-4 Placer Collected on banks amoung rocks and in gravel beside creek. 1975.0 Comment
  SACT002333  Stipa californica Michael Baad 1976-7-14 Placer 0.8 mile wesr of Sailor Flat on Forest Hill Divide. Comment
  SACT002340  Stipa columbiana Michael Baad 1976-8-7 Placer 2072.0 Comment
  SACT002342  Stipa columbiana D. Meyer 1983-7-30 Placer Moist areas in both sides of road. 2072.64 Comment
  CAS-BOT-BC87413  Streptanthus polygaloides Saichi Kawahara 1969-7-6 1474 Placer On Finning Mill Road just south of Sugar Pine Road. Tahoe National Forest. 1139 Comment
  CAS-BOT-BC87417  Streptanthus polygaloides C. L. Hitchcock 1940-5-15 6401 Placer 6 miles north of Colfax. Comment
  RSA584109  Streptanthus polygaloides Saichi Kawahara 1969-7-6 1474 Placer On Finning Mill Road just south of Sugar Pine Road. Tahoe National Forest 1139 Comment
  CAS-BOT-BC87769  Streptanthus tortuosus F. Almeda 1993-7-24 7264 Placer Sierra Nevada. About 15 miles southeast of Interstate Highway #80 at Soda Springs on the trail to Upper Sheep Valley. 2133 Comment
  CDA11986  Streptanthus tortuosus G. F. Hrusa 1995-5-2 12167 Placer Sierra Nevada; Approx. 5 km. beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  CHSC101512  Streptanthus tortuosus G. F. Hrusa 1995-5-20 12168 Placer Approximately 4 km beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. 650 Comment
  SCFS11529144  Streptanthus tortuosus E. Krimmel, F. Felix 2013-6-2 Placer NFAm top of Foresthill Road, growing in rocks Comment
  UCD116118  Streptanthus tortuosus Eric Brenner; John Hunter 1996-5-26 18 Placer along road to Big Trees, Mosquito Ridge Road, Tahoe National Forest. 1750 Comment
  UC1126975  Streptanthus tortuosus var. orbiculatus B. Bolt 1934-7-11 98 Placer Cascade Lakes Tahoe National Forest, Truckee Quadrangle Comment
  UCD119107  Styrax redivivus M. H. Mills 1996-4-12 144 Placer 5830 Walden Lane, Loomis. 180 Comment
  CAS-BOT-BC245834  Symphoricarpos John H. Thomas; Hazelle A. Thomas 1956-7-21 6190 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  CAS-BOT-BC245859  Symphoricarpos Saichi Kawahara 1969-5-24 837 Placer Slope overlooking the north fork of the American River on the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  CHSC9531  Symphoricarpos mollis J. F. Goodwin 1971-7-10 159 Placer Approx. 1 mi west of Lake Tahoe at end of Old County Road, 2.3 mi SW of Cornelian Bay. 1981 Comment
  UC1119959  Symphoricarpos mollis J. E. Sowder, R. W. Lundh 1933-4-15 Placer Greek Store; Colfax Quad. 670 Comment
  UC1119983  Symphoricarpos mollis B. Bolt 1934-7-11 101 Placer Cascade Lakes; Tahoe National Forest, Truckee Quad. 2042 Comment
  CAS-BOT-BC245738  Symphoricarpos rotundifolius Alice Eastwood 1909-1-1 131 Placer Ward Creek, Lake Tahoe Region Comment
  JEPS59429  Symphoricarpos rotundifolius var. rotundifolius Ezra Brainerd and Viola B. Baird 1915-7-15 149 Placer Fire Lakes; Sierra Nevada Mts. 2298 Comment
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  JEPS59431  Symphoricarpos rotundifolius var. rotundifolius Ezra Brainerd and Viola B. Baird 1915-7-9 151 Placer Bear Rock; Sierra Nevada Mts. 1889 Comment
  CAS-BOT-BC97555  Symphyotrichum ascendens J. F. Emmel 1971-8-21 380 Placer 0.2 air mile ENE of N. end of Lake Mary, Donner Pass 2156 Comment
  UC615396  Symphyotrichum foliaceum Beryl O. Schreiber 1933-9-11 763 Placer road to Summit Comment
  UCD159477  Symphyotrichum foliaceum var. parryi D. S. Park 2010-8-21 230 Placer Off Hampshire Rocks Rd. Shaded understory. Also adundant around exit to highway I-80. Near dry creek bed. 1806 Comment
  CAS-BOT-BC98964  Symphyotrichum foliaceum var. parryi Peter Rubtzoff 1976-9-18 8842 Placer Sierra Nevada, Lake Van Norden - south side of lake, lakeshore near margin of bordering forest. 2063 Comment
  CAS-BOT-BC98524  Symphyotrichum spathulatum Mary P. Wells 1980-9-11 s.n. Placer Forest west of Pioneer Way, Tahoe City - Sierra Nevada 1981 Comment
  UC892972  Symphyotrichum spathulatum A. A. Heller 1917-8-13 12880 Placer Summit Valley 2118 Comment
  CAS-BOT-BC98877  Symphyotrichum spathulatum var. intermedium Fay A. Mac Fadden 1934-7-26 12868 Placer Red Mt. Comment
  CHSC73928  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-17 98 -050 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC74202  Symphyotrichum spathulatum var. spathulatum Susi Urie; Eric Schroder 1998-9-8 98 -275 Placer Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CDA19565  Taraxacum officinale M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 221 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
  UCR208557  Taraxacum officinale George K. Helmkamp, E. A. Helmkamp 2009-5-11 14657 Placer Sierra Nevada Mountains Foothills, junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill 1338 Comment
  CAS-BOT-BC85267  Taxus brevifolia Alice M. King 1923-5-1 s.n. Placer Placerville Comment
  CAS-BOT-BC392403  Thalictrum fendleri Miss. T. V. Raphael 1923-7-6 s.n. Placer Cisco Comment
  UCD22194  Thalictrum fendleri Beth Lowe Corbin 1982-8-6 272 Placer 1/3 mile W of Onion Creek Campground. S facing slope, 30% incline. Uncommon. Partial sun. In rocky, fine, sandy soil about 10 yards from stream in mixed conifer forest. Herb 2 1/2 ft tall. Fruit green. 1920 Comment
  CAS-BOT-BC399743  Thalictrum polycarpum Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  UC188094  Thelypodium crispum C. F. Sonne 1886-7-11 Placer McFarland's old mill, road to Hot Springs Comment
  SEINET6627109  Thelypteris nevadensis P. B. Kennedy 1901-8-21 425 Placer Middle Fork of American River Comment
  JEPS126413  Thlaspi arvense Steve Matson 2002-6-29 538 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; on east side of pond near Highway 28. Comment
  HSC27260  Thysanocarpus curvipes J. P. Smith 1972-3-22 5092 Placer Bridge over N Fork of American River. Comment
  RSA0039268  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-4-18 20338 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  SD248366  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-4-18 20338 Placer Northern Sierra Nevada MountainsFoothills: Yankee Jim Road, 0.9 mile east of its juncton with Canyon Way, 4.4 miles SE (167a^z) of Colfax (Colfax 7.5'Q) 561 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
  RSA0039368  Thysanocarpus curvipes var. curvipes Barbara Ertter, David Thompson 1989-4-9 8194 Placer Halfway down road to Lake Clementine (=North Fork Lake) NE of Auburn. 304 Comment
  SEINET12476871  Thysanocarpus radians A. Tiehm, H. Mozingo, M. J. Williams, E. McPherson 1975-1 622 Placer One mile N of Lincoln. Comment
  CAS-BOT-BC67321  Thysanocarpus radians A. A. Heller 1940-4-8 15534 Placer One mile north of Sheridan. 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
  UCR216028  Torilis arvensis George K. Helmkamp, Amy Barnes 2009-7-12 15189 Placer Sierra Nevada Mountains Foothills, along Todd Valley Road, 0.1 mile south of its junction with Foresthill Road, c. 13 air miles NE of Auburn 854 Comment
  UCR218129  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16381 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 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
  SACT002422  Torreyochloa erecta D. Meyer 1984-9-23 Placer Very wet rocky creek bed. 2121.0 Comment
  UCD43331  Torreyochloa pallida var. pauciflora C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 699 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC172899  Toxicodendron diversilobum J. M. Ogawa 1952-5-8 s.n. Placer North of Loomis 121 Comment
  UCD117029  Toxicodendron diversilobum Thomas Morley 1946-5-30 594 Placer Northeast of the Masonic Cemetery, Dutch Flat. 1005 Comment
  UCD117039  Toxicodendron diversilobum J. M. Ogawa 1952-5-8 s.n. Placer North of Loomis. Comment
  UCD150495  Toxicoscordion venenosum var. venenosum James A. Neilson Jr. 1971-6-30 2132 Placer Tahoe Basin, lower Ward Valley, Ward drainage. 1920 Comment
  UCD22062  Toxicoscordion venenosum var. venenosum Rex Palmer 1979-6-19 N 255 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD21793  Tragopogon dubius Beth Lowe Corbin 1982-8-13 348 Placer 1/4 mile W of The Cedars. 1737 Comment
  CDA15971  Tragopogon pratensis G. F. Hrusa, J. Glazner 1999-7-17 15122 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CDA4736  Tribulus terrestris Margaret Bellue, F. Clark 1945-10-11 Placer Roseville. 0 Comment
  POM70270  Trichostema oblongum Marcus E. Jones 1982-6-30 s.n. Placer Emigrant Gap. Comment
  UC572392  Trientalis latifolia N. French 1934-6-15 411 Placer Tahoe National Forest, Scott Hill Scott Hill; Tahoe National Forest, Scott Hill 1463 Comment
  UCD107145  Trifolium arvense H. E. Catlin 1935-4-25 s.n. Placer Placer County. Comment
  UCD80330  Trifolium bifidum CNPS SN Foothill Team 2005-4-26 SNFN 0183 d Placer CDPR Auburn State Recreation Area. The stand is located at the northeast end of Robie Point, about 100 meters east (downslope) of the Western States trail, just to the north and east of where it rounds the point (accessed from the trailhead at Robie Point). 259 Comment
  UCD108260  Trifolium ciliolatum Beecher Crampton 1955-6-17 2924 Placer 10.5 miles W of Forest Hill. Comment
  CHSC74091  Trifolium cyathiferum Susi Urie 1998-8-11 98 -005 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCD22006  Trifolium cyathiferum Beth Lowe Corbin 1982-8-11 325 Placer 1.5 miles WNW of Onion Creek campground. 1950 Comment
  SJSU8021  Trifolium cyathiferum Virginia Hardham 1965-6-27 Placer by Hwy 89, 4.5 mi S of Truckee 1767 Comment
  UCD39208  Trifolium hirtum Beecher Crampton 1953-5-26 1338 Placer 2 miles north of Lincoln, Sunnybrook Farm. Comment
  UCR173176  Trifolium hirtum George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10126 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  UCR208549  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2009-5-11 14677 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
  UCR257598  Trifolium hirtum George K. Helmkamp, Amy Barnes 2014-3-21 22643 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  UCD111228  Trifolium hybridum R. Tofsrud 1951-7-11 s.n. Placer Cisco Grove. Comment
  SEINET9260873  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-1 22809 Placer Sierra Nevada Mountains Foothills: Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill (Colfax 7.5' Q) 719 Comment
  UCD111238  Trifolium incarnatum Gregg Riegel 1975-5-16 19 Placer 1/8 mile north of Foresthill-Auburn Road, 8.2 miles west of Foresthill. 701 Comment
  UCR253129  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-4-23 22809 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  UCR258124  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-3-21 22648 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  JEPS59436  Trifolium longipes Ezra Brainerd and Viola B. Baird 1915-7-25 156 Placer Sierra Nevada Mountains; Deer Park Comment
  UCD111275  Trifolium longipes R. Tofsrud 1951-7-11 s.n. Placer Ice Lake, 4 mi. S of Soda Springs. Comment
  UCD22002  Trifolium longipes Beth Lowe Corbin 1982-8-17 359 Placer 2 2/3 miles WSW of The Cedars. Small meadow in White Fir forest. Flowers white. Perennial. Mostly sun. N slope, 10% incline. Locally abundant. 1935 Comment
  UCD44013  Trifolium longipes C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1379 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  JEPS127423  Trifolium longipes subsp. hansenii Steve Matson 1997-6-25 12 Placer nSNH Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. 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
  OBI78221  Trifolium monanthum Lewis S. Rose 1941-7-12 41307 Placer Chambers Lodge, (McKinney), Lake Tahoe 1920 Comment
  HSC26673  Trifolium pratense Thomas W. Nelson 1972-11-25 703 Placer Del Oro Rd. near Roseville Comment
  UCR260068  Trifolium pratense George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22417 Placer Sierra Nevada Mountains Foothills, Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road 651 Comment
  CDA4321  Trifolium pratense Hanley 1956-6-2 Placer Placerville/Lincoln 0 Comment
  UCR253131  Trifolium subterraneum George K. Helmkamp, Amy Barnes 2014-4-23 22811 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  CAS-BOT-BC516754  Trifolium tomentosum George K. Helmkamp; Amy Barnes 2013-3-28 20299 Placer Eastern Sacramento Valley: NW side of jct of Riosa Rd and Andressen Rd, NE of Sheridan 36 Comment
  SEINET7375916  Trifolium tridentatum H. E. Hodge 1956-3-28 14 Placer U.s. Hwy 40, one mile east of Rocklin 76 Comment
  UCR146854  Trifolium variegatum Beecher Crampton 1966-4-14 7647 Placer Sacramento Valley, 2.5 miles east of Lincoln 73 Comment
  UCR173249  Trifolium willdenovii George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10458 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  UCR235393  Trifolium willdenovii George K. Helmkamp, E. A. Helmkamp 2012-5-11 18939 Placer Foothills, northern Sierra Nevada Mountains, Finning Mill Road at the junction with Forest Hill Road 1136 Comment
  CHSC84542  Triglochin scilloides John Dittes 2003-5-25 2003 -22 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 39 Comment
  CHSC59822  Triphysaria eriantha Andrew D. Lane 1984-4-20 5 Placer Ca. 1.2 km e of Hwy 65, ca. 0.75 km s of Bear River, Sheridan. 30 Comment
  JEPS10418  Triphysaria eriantha subsp. eriantha M. E. P. Ames 1878-1 Placer Auburn Comment
  JEPS16388  Triphysaria eriantha subsp. eriantha Mrs. Ames Placer [near] Auburn; [near] Auburn Comment
  UC219134  Triphysaria eriantha subsp. eriantha unknown May, 1891 Placer Auburn Comment
  SD44180  Triphysaria pusilla Darley F. Howe 1948-5-20 Placer Placer Co. 456 Comment
  UCD21587  Trisetum projectum E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1250 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, ascending ridge. 2200 Comment
  UCD94033  Trisetum projectum L. S. Smith 1914-9-14 s.n. Placer Col. Near Cisco. 1828 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
  SACT002451  Trisetum spicatum Michael Baad 1976-8-19 Placer 2 air miles northwest of Squaw Valley Comment
  SACT002453  Trisetum spicatum Michael Baad 1976-8-12 Placer Southwest to Emigrant Peak along Shirley Lake Ski Lift Right-o-way 2316.0 Comment
  RSA27140  Triteleia hyacinthina C. L. Hitchcock 1940-5-14 6378 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  RSA378026  Triteleia hyacinthina Carl B. Wolf 1937-5-12 8610 Placer Sacramento Valley, 1 mi N of Lincoln. 46 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
  SEINET8502625  Triteleia hyacinthina P. B. Kennedy, S. B. Doten 1901-8-18 415 Placer Talbots Home Camp, 7 miles from French Meadows. Comment
  SEINET8502651  Triteleia hyacinthina P. A. Lehenbauer 1934-7-8 2868 Placer Cisco. Comment
  UC217450  Triteleia hyacinthina H. M. Hall 1917-5-17 10310 Placer 5 mi n Lincoln (along r.r. and into foothills n to Chico River); Sacramento Valley Comment
  UCD19283  Triteleia ixioides Renee Shahrok 1986-6-25 9 Placer 10 mi west of Mosquito Ridge Rd. junction, on Forest Hill Rd. 414 Comment